| 1 | /* Graphical user interface functions for the Microsoft W32 API. |
| 2 | Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999, 2000, 2001 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | /* Added by Kevin Gallo */ |
| 23 | |
| 24 | #include <config.h> |
| 25 | |
| 26 | #include <signal.h> |
| 27 | #include <stdio.h> |
| 28 | #include <limits.h> |
| 29 | #include <errno.h> |
| 30 | |
| 31 | #include "lisp.h" |
| 32 | #include "charset.h" |
| 33 | #include "dispextern.h" |
| 34 | #include "w32term.h" |
| 35 | #include "frame.h" |
| 36 | #include "window.h" |
| 37 | #include "buffer.h" |
| 38 | #include "fontset.h" |
| 39 | #include "intervals.h" |
| 40 | #include "keyboard.h" |
| 41 | #include "blockinput.h" |
| 42 | #include "epaths.h" |
| 43 | #include "w32heap.h" |
| 44 | #include "termhooks.h" |
| 45 | #include "coding.h" |
| 46 | #include "ccl.h" |
| 47 | #include "systime.h" |
| 48 | |
| 49 | #include "bitmaps/gray.xbm" |
| 50 | |
| 51 | #include <commdlg.h> |
| 52 | #include <shellapi.h> |
| 53 | #include <ctype.h> |
| 54 | |
| 55 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 56 | |
| 57 | extern void free_frame_menubar (); |
| 58 | extern double atof (); |
| 59 | extern int w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state); |
| 60 | extern int quit_char; |
| 61 | |
| 62 | /* A definition of XColor for non-X frames. */ |
| 63 | #ifndef HAVE_X_WINDOWS |
| 64 | typedef struct { |
| 65 | unsigned long pixel; |
| 66 | unsigned short red, green, blue; |
| 67 | char flags; |
| 68 | char pad; |
| 69 | } XColor; |
| 70 | #endif |
| 71 | |
| 72 | extern char *lispy_function_keys[]; |
| 73 | |
| 74 | /* The gray bitmap `bitmaps/gray'. This is done because w32term.c uses |
| 75 | it, and including `bitmaps/gray' more than once is a problem when |
| 76 | config.h defines `static' as an empty replacement string. */ |
| 77 | |
| 78 | int gray_bitmap_width = gray_width; |
| 79 | int gray_bitmap_height = gray_height; |
| 80 | unsigned char *gray_bitmap_bits = gray_bits; |
| 81 | |
| 82 | /* The colormap for converting color names to RGB values */ |
| 83 | Lisp_Object Vw32_color_map; |
| 84 | |
| 85 | /* Non nil if alt key presses are passed on to Windows. */ |
| 86 | Lisp_Object Vw32_pass_alt_to_system; |
| 87 | |
| 88 | /* Non nil if alt key is translated to meta_modifier, nil if it is translated |
| 89 | to alt_modifier. */ |
| 90 | Lisp_Object Vw32_alt_is_meta; |
| 91 | |
| 92 | /* If non-zero, the windows virtual key code for an alternative quit key. */ |
| 93 | Lisp_Object Vw32_quit_key; |
| 94 | |
| 95 | /* Non nil if left window key events are passed on to Windows (this only |
| 96 | affects whether "tapping" the key opens the Start menu). */ |
| 97 | Lisp_Object Vw32_pass_lwindow_to_system; |
| 98 | |
| 99 | /* Non nil if right window key events are passed on to Windows (this |
| 100 | only affects whether "tapping" the key opens the Start menu). */ |
| 101 | Lisp_Object Vw32_pass_rwindow_to_system; |
| 102 | |
| 103 | /* Virtual key code used to generate "phantom" key presses in order |
| 104 | to stop system from acting on Windows key events. */ |
| 105 | Lisp_Object Vw32_phantom_key_code; |
| 106 | |
| 107 | /* Modifier associated with the left "Windows" key, or nil to act as a |
| 108 | normal key. */ |
| 109 | Lisp_Object Vw32_lwindow_modifier; |
| 110 | |
| 111 | /* Modifier associated with the right "Windows" key, or nil to act as a |
| 112 | normal key. */ |
| 113 | Lisp_Object Vw32_rwindow_modifier; |
| 114 | |
| 115 | /* Modifier associated with the "Apps" key, or nil to act as a normal |
| 116 | key. */ |
| 117 | Lisp_Object Vw32_apps_modifier; |
| 118 | |
| 119 | /* Value is nil if Num Lock acts as a function key. */ |
| 120 | Lisp_Object Vw32_enable_num_lock; |
| 121 | |
| 122 | /* Value is nil if Caps Lock acts as a function key. */ |
| 123 | Lisp_Object Vw32_enable_caps_lock; |
| 124 | |
| 125 | /* Modifier associated with Scroll Lock, or nil to act as a normal key. */ |
| 126 | Lisp_Object Vw32_scroll_lock_modifier; |
| 127 | |
| 128 | /* Switch to control whether we inhibit requests for synthesized bold |
| 129 | and italic versions of fonts. */ |
| 130 | Lisp_Object Vw32_enable_synthesized_fonts; |
| 131 | |
| 132 | /* Enable palette management. */ |
| 133 | Lisp_Object Vw32_enable_palette; |
| 134 | |
| 135 | /* Control how close left/right button down events must be to |
| 136 | be converted to a middle button down event. */ |
| 137 | Lisp_Object Vw32_mouse_button_tolerance; |
| 138 | |
| 139 | /* Minimum interval between mouse movement (and scroll bar drag) |
| 140 | events that are passed on to the event loop. */ |
| 141 | Lisp_Object Vw32_mouse_move_interval; |
| 142 | |
| 143 | /* The name we're using in resource queries. */ |
| 144 | Lisp_Object Vx_resource_name; |
| 145 | |
| 146 | /* Non nil if no window manager is in use. */ |
| 147 | Lisp_Object Vx_no_window_manager; |
| 148 | |
| 149 | /* Non-zero means we're allowed to display a busy cursor. */ |
| 150 | |
| 151 | int display_busy_cursor_p; |
| 152 | |
| 153 | /* The background and shape of the mouse pointer, and shape when not |
| 154 | over text or in the modeline. */ |
| 155 | |
| 156 | Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; |
| 157 | Lisp_Object Vx_busy_pointer_shape, Vx_window_horizontal_drag_shape; |
| 158 | |
| 159 | /* The shape when over mouse-sensitive text. */ |
| 160 | |
| 161 | Lisp_Object Vx_sensitive_text_pointer_shape; |
| 162 | |
| 163 | /* Color of chars displayed in cursor box. */ |
| 164 | |
| 165 | Lisp_Object Vx_cursor_fore_pixel; |
| 166 | |
| 167 | /* Nonzero if using Windows. */ |
| 168 | |
| 169 | static int w32_in_use; |
| 170 | |
| 171 | /* Search path for bitmap files. */ |
| 172 | |
| 173 | Lisp_Object Vx_bitmap_file_path; |
| 174 | |
| 175 | /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ |
| 176 | |
| 177 | Lisp_Object Vx_pixel_size_width_font_regexp; |
| 178 | |
| 179 | /* Alist of bdf fonts and the files that define them. */ |
| 180 | Lisp_Object Vw32_bdf_filename_alist; |
| 181 | |
| 182 | Lisp_Object Vw32_system_coding_system; |
| 183 | |
| 184 | /* A flag to control whether fonts are matched strictly or not. */ |
| 185 | int w32_strict_fontnames; |
| 186 | |
| 187 | /* A flag to control whether we should only repaint if GetUpdateRect |
| 188 | indicates there is an update region. */ |
| 189 | int w32_strict_painting; |
| 190 | |
| 191 | /* Associative list linking character set strings to Windows codepages. */ |
| 192 | Lisp_Object Vw32_charset_info_alist; |
| 193 | |
| 194 | /* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */ |
| 195 | #ifndef VIETNAMESE_CHARSET |
| 196 | #define VIETNAMESE_CHARSET 163 |
| 197 | #endif |
| 198 | |
| 199 | Lisp_Object Qauto_raise; |
| 200 | Lisp_Object Qauto_lower; |
| 201 | Lisp_Object Qbar; |
| 202 | Lisp_Object Qborder_color; |
| 203 | Lisp_Object Qborder_width; |
| 204 | Lisp_Object Qbox; |
| 205 | Lisp_Object Qcursor_color; |
| 206 | Lisp_Object Qcursor_type; |
| 207 | Lisp_Object Qgeometry; |
| 208 | Lisp_Object Qicon_left; |
| 209 | Lisp_Object Qicon_top; |
| 210 | Lisp_Object Qicon_type; |
| 211 | Lisp_Object Qicon_name; |
| 212 | Lisp_Object Qinternal_border_width; |
| 213 | Lisp_Object Qleft; |
| 214 | Lisp_Object Qright; |
| 215 | Lisp_Object Qmouse_color; |
| 216 | Lisp_Object Qnone; |
| 217 | Lisp_Object Qparent_id; |
| 218 | Lisp_Object Qscroll_bar_width; |
| 219 | Lisp_Object Qsuppress_icon; |
| 220 | Lisp_Object Qundefined_color; |
| 221 | Lisp_Object Qvertical_scroll_bars; |
| 222 | Lisp_Object Qvisibility; |
| 223 | Lisp_Object Qwindow_id; |
| 224 | Lisp_Object Qx_frame_parameter; |
| 225 | Lisp_Object Qx_resource_name; |
| 226 | Lisp_Object Quser_position; |
| 227 | Lisp_Object Quser_size; |
| 228 | Lisp_Object Qscreen_gamma; |
| 229 | Lisp_Object Qline_spacing; |
| 230 | Lisp_Object Qcenter; |
| 231 | Lisp_Object Qcancel_timer; |
| 232 | Lisp_Object Qhyper; |
| 233 | Lisp_Object Qsuper; |
| 234 | Lisp_Object Qmeta; |
| 235 | Lisp_Object Qalt; |
| 236 | Lisp_Object Qctrl; |
| 237 | Lisp_Object Qcontrol; |
| 238 | Lisp_Object Qshift; |
| 239 | |
| 240 | Lisp_Object Qw32_charset_ansi; |
| 241 | Lisp_Object Qw32_charset_default; |
| 242 | Lisp_Object Qw32_charset_symbol; |
| 243 | Lisp_Object Qw32_charset_shiftjis; |
| 244 | Lisp_Object Qw32_charset_hangeul; |
| 245 | Lisp_Object Qw32_charset_gb2312; |
| 246 | Lisp_Object Qw32_charset_chinesebig5; |
| 247 | Lisp_Object Qw32_charset_oem; |
| 248 | |
| 249 | #ifndef JOHAB_CHARSET |
| 250 | #define JOHAB_CHARSET 130 |
| 251 | #endif |
| 252 | #ifdef JOHAB_CHARSET |
| 253 | Lisp_Object Qw32_charset_easteurope; |
| 254 | Lisp_Object Qw32_charset_turkish; |
| 255 | Lisp_Object Qw32_charset_baltic; |
| 256 | Lisp_Object Qw32_charset_russian; |
| 257 | Lisp_Object Qw32_charset_arabic; |
| 258 | Lisp_Object Qw32_charset_greek; |
| 259 | Lisp_Object Qw32_charset_hebrew; |
| 260 | Lisp_Object Qw32_charset_vietnamese; |
| 261 | Lisp_Object Qw32_charset_thai; |
| 262 | Lisp_Object Qw32_charset_johab; |
| 263 | Lisp_Object Qw32_charset_mac; |
| 264 | #endif |
| 265 | |
| 266 | #ifdef UNICODE_CHARSET |
| 267 | Lisp_Object Qw32_charset_unicode; |
| 268 | #endif |
| 269 | |
| 270 | extern Lisp_Object Qtop; |
| 271 | extern Lisp_Object Qdisplay; |
| 272 | extern Lisp_Object Qtool_bar_lines; |
| 273 | |
| 274 | /* State variables for emulating a three button mouse. */ |
| 275 | #define LMOUSE 1 |
| 276 | #define MMOUSE 2 |
| 277 | #define RMOUSE 4 |
| 278 | |
| 279 | static int button_state = 0; |
| 280 | static W32Msg saved_mouse_button_msg; |
| 281 | static unsigned mouse_button_timer; /* non-zero when timer is active */ |
| 282 | static W32Msg saved_mouse_move_msg; |
| 283 | static unsigned mouse_move_timer; |
| 284 | |
| 285 | /* W95 mousewheel handler */ |
| 286 | unsigned int msh_mousewheel = 0; |
| 287 | |
| 288 | #define MOUSE_BUTTON_ID 1 |
| 289 | #define MOUSE_MOVE_ID 2 |
| 290 | |
| 291 | /* The below are defined in frame.c. */ |
| 292 | |
| 293 | extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth; |
| 294 | extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle; |
| 295 | extern Lisp_Object Qtool_bar_lines; |
| 296 | |
| 297 | extern Lisp_Object Vwindow_system_version; |
| 298 | |
| 299 | Lisp_Object Qface_set_after_frame_default; |
| 300 | |
| 301 | #ifdef GLYPH_DEBUG |
| 302 | int image_cache_refcount, dpyinfo_refcount; |
| 303 | #endif |
| 304 | |
| 305 | |
| 306 | /* From w32term.c. */ |
| 307 | extern Lisp_Object Vw32_num_mouse_buttons; |
| 308 | extern Lisp_Object Vw32_recognize_altgr; |
| 309 | |
| 310 | \f |
| 311 | /* Error if we are not connected to MS-Windows. */ |
| 312 | void |
| 313 | check_w32 () |
| 314 | { |
| 315 | if (! w32_in_use) |
| 316 | error ("MS-Windows not in use or not initialized"); |
| 317 | } |
| 318 | |
| 319 | /* Nonzero if we can use mouse menus. |
| 320 | You should not call this unless HAVE_MENUS is defined. */ |
| 321 | |
| 322 | int |
| 323 | have_menus_p () |
| 324 | { |
| 325 | return w32_in_use; |
| 326 | } |
| 327 | |
| 328 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame |
| 329 | and checking validity for W32. */ |
| 330 | |
| 331 | FRAME_PTR |
| 332 | check_x_frame (frame) |
| 333 | Lisp_Object frame; |
| 334 | { |
| 335 | FRAME_PTR f; |
| 336 | |
| 337 | if (NILP (frame)) |
| 338 | frame = selected_frame; |
| 339 | CHECK_LIVE_FRAME (frame, 0); |
| 340 | f = XFRAME (frame); |
| 341 | if (! FRAME_W32_P (f)) |
| 342 | error ("non-w32 frame used"); |
| 343 | return f; |
| 344 | } |
| 345 | |
| 346 | /* Let the user specify an display with a frame. |
| 347 | nil stands for the selected frame--or, if that is not a w32 frame, |
| 348 | the first display on the list. */ |
| 349 | |
| 350 | static struct w32_display_info * |
| 351 | check_x_display_info (frame) |
| 352 | Lisp_Object frame; |
| 353 | { |
| 354 | if (NILP (frame)) |
| 355 | { |
| 356 | struct frame *sf = XFRAME (selected_frame); |
| 357 | |
| 358 | if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf)) |
| 359 | return FRAME_W32_DISPLAY_INFO (sf); |
| 360 | else |
| 361 | return &one_w32_display_info; |
| 362 | } |
| 363 | else if (STRINGP (frame)) |
| 364 | return x_display_info_for_name (frame); |
| 365 | else |
| 366 | { |
| 367 | FRAME_PTR f; |
| 368 | |
| 369 | CHECK_LIVE_FRAME (frame, 0); |
| 370 | f = XFRAME (frame); |
| 371 | if (! FRAME_W32_P (f)) |
| 372 | error ("non-w32 frame used"); |
| 373 | return FRAME_W32_DISPLAY_INFO (f); |
| 374 | } |
| 375 | } |
| 376 | \f |
| 377 | /* Return the Emacs frame-object corresponding to an w32 window. |
| 378 | It could be the frame's main window or an icon window. */ |
| 379 | |
| 380 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
| 381 | |
| 382 | struct frame * |
| 383 | x_window_to_frame (dpyinfo, wdesc) |
| 384 | struct w32_display_info *dpyinfo; |
| 385 | HWND wdesc; |
| 386 | { |
| 387 | Lisp_Object tail, frame; |
| 388 | struct frame *f; |
| 389 | |
| 390 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
| 391 | { |
| 392 | frame = XCAR (tail); |
| 393 | if (!GC_FRAMEP (frame)) |
| 394 | continue; |
| 395 | f = XFRAME (frame); |
| 396 | if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo) |
| 397 | continue; |
| 398 | if (f->output_data.w32->busy_window == wdesc) |
| 399 | return f; |
| 400 | |
| 401 | /* TODO: Check tooltips when supported. */ |
| 402 | if (FRAME_W32_WINDOW (f) == wdesc) |
| 403 | return f; |
| 404 | } |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | \f |
| 409 | |
| 410 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap |
| 411 | id, which is just an int that this section returns. Bitmaps are |
| 412 | reference counted so they can be shared among frames. |
| 413 | |
| 414 | Bitmap indices are guaranteed to be > 0, so a negative number can |
| 415 | be used to indicate no bitmap. |
| 416 | |
| 417 | If you use x_create_bitmap_from_data, then you must keep track of |
| 418 | the bitmaps yourself. That is, creating a bitmap from the same |
| 419 | data more than once will not be caught. */ |
| 420 | |
| 421 | |
| 422 | /* Functions to access the contents of a bitmap, given an id. */ |
| 423 | |
| 424 | int |
| 425 | x_bitmap_height (f, id) |
| 426 | FRAME_PTR f; |
| 427 | int id; |
| 428 | { |
| 429 | return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
| 430 | } |
| 431 | |
| 432 | int |
| 433 | x_bitmap_width (f, id) |
| 434 | FRAME_PTR f; |
| 435 | int id; |
| 436 | { |
| 437 | return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
| 438 | } |
| 439 | |
| 440 | int |
| 441 | x_bitmap_pixmap (f, id) |
| 442 | FRAME_PTR f; |
| 443 | int id; |
| 444 | { |
| 445 | return (int) FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
| 446 | } |
| 447 | |
| 448 | |
| 449 | /* Allocate a new bitmap record. Returns index of new record. */ |
| 450 | |
| 451 | static int |
| 452 | x_allocate_bitmap_record (f) |
| 453 | FRAME_PTR f; |
| 454 | { |
| 455 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 456 | int i; |
| 457 | |
| 458 | if (dpyinfo->bitmaps == NULL) |
| 459 | { |
| 460 | dpyinfo->bitmaps_size = 10; |
| 461 | dpyinfo->bitmaps |
| 462 | = (struct w32_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record)); |
| 463 | dpyinfo->bitmaps_last = 1; |
| 464 | return 1; |
| 465 | } |
| 466 | |
| 467 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
| 468 | return ++dpyinfo->bitmaps_last; |
| 469 | |
| 470 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
| 471 | if (dpyinfo->bitmaps[i].refcount == 0) |
| 472 | return i + 1; |
| 473 | |
| 474 | dpyinfo->bitmaps_size *= 2; |
| 475 | dpyinfo->bitmaps |
| 476 | = (struct w32_bitmap_record *) xrealloc (dpyinfo->bitmaps, |
| 477 | dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record)); |
| 478 | return ++dpyinfo->bitmaps_last; |
| 479 | } |
| 480 | |
| 481 | /* Add one reference to the reference count of the bitmap with id ID. */ |
| 482 | |
| 483 | void |
| 484 | x_reference_bitmap (f, id) |
| 485 | FRAME_PTR f; |
| 486 | int id; |
| 487 | { |
| 488 | ++FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
| 489 | } |
| 490 | |
| 491 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ |
| 492 | |
| 493 | int |
| 494 | x_create_bitmap_from_data (f, bits, width, height) |
| 495 | struct frame *f; |
| 496 | char *bits; |
| 497 | unsigned int width, height; |
| 498 | { |
| 499 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 500 | Pixmap bitmap; |
| 501 | int id; |
| 502 | |
| 503 | bitmap = CreateBitmap (width, height, |
| 504 | FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes, |
| 505 | FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits, |
| 506 | bits); |
| 507 | |
| 508 | if (! bitmap) |
| 509 | return -1; |
| 510 | |
| 511 | id = x_allocate_bitmap_record (f); |
| 512 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; |
| 513 | dpyinfo->bitmaps[id - 1].file = NULL; |
| 514 | dpyinfo->bitmaps[id - 1].hinst = NULL; |
| 515 | dpyinfo->bitmaps[id - 1].refcount = 1; |
| 516 | dpyinfo->bitmaps[id - 1].depth = 1; |
| 517 | dpyinfo->bitmaps[id - 1].height = height; |
| 518 | dpyinfo->bitmaps[id - 1].width = width; |
| 519 | |
| 520 | return id; |
| 521 | } |
| 522 | |
| 523 | /* Create bitmap from file FILE for frame F. */ |
| 524 | |
| 525 | int |
| 526 | x_create_bitmap_from_file (f, file) |
| 527 | struct frame *f; |
| 528 | Lisp_Object file; |
| 529 | { |
| 530 | return -1; |
| 531 | #if 0 /* TODO : bitmap support */ |
| 532 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 533 | unsigned int width, height; |
| 534 | HBITMAP bitmap; |
| 535 | int xhot, yhot, result, id; |
| 536 | Lisp_Object found; |
| 537 | int fd; |
| 538 | char *filename; |
| 539 | HINSTANCE hinst; |
| 540 | |
| 541 | /* Look for an existing bitmap with the same name. */ |
| 542 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
| 543 | { |
| 544 | if (dpyinfo->bitmaps[id].refcount |
| 545 | && dpyinfo->bitmaps[id].file |
| 546 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data)) |
| 547 | { |
| 548 | ++dpyinfo->bitmaps[id].refcount; |
| 549 | return id + 1; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | /* Search bitmap-file-path for the file, if appropriate. */ |
| 554 | fd = openp (Vx_bitmap_file_path, file, "", &found, 0); |
| 555 | if (fd < 0) |
| 556 | return -1; |
| 557 | emacs_close (fd); |
| 558 | |
| 559 | filename = (char *) XSTRING (found)->data; |
| 560 | |
| 561 | hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE); |
| 562 | |
| 563 | if (hinst == NULL) |
| 564 | return -1; |
| 565 | |
| 566 | |
| 567 | result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), |
| 568 | filename, &width, &height, &bitmap, &xhot, &yhot); |
| 569 | if (result != BitmapSuccess) |
| 570 | return -1; |
| 571 | |
| 572 | id = x_allocate_bitmap_record (f); |
| 573 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; |
| 574 | dpyinfo->bitmaps[id - 1].refcount = 1; |
| 575 | dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1); |
| 576 | dpyinfo->bitmaps[id - 1].depth = 1; |
| 577 | dpyinfo->bitmaps[id - 1].height = height; |
| 578 | dpyinfo->bitmaps[id - 1].width = width; |
| 579 | strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data); |
| 580 | |
| 581 | return id; |
| 582 | #endif /* TODO */ |
| 583 | } |
| 584 | |
| 585 | /* Remove reference to bitmap with id number ID. */ |
| 586 | |
| 587 | void |
| 588 | x_destroy_bitmap (f, id) |
| 589 | FRAME_PTR f; |
| 590 | int id; |
| 591 | { |
| 592 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 593 | |
| 594 | if (id > 0) |
| 595 | { |
| 596 | --dpyinfo->bitmaps[id - 1].refcount; |
| 597 | if (dpyinfo->bitmaps[id - 1].refcount == 0) |
| 598 | { |
| 599 | BLOCK_INPUT; |
| 600 | DeleteObject (dpyinfo->bitmaps[id - 1].pixmap); |
| 601 | if (dpyinfo->bitmaps[id - 1].file) |
| 602 | { |
| 603 | xfree (dpyinfo->bitmaps[id - 1].file); |
| 604 | dpyinfo->bitmaps[id - 1].file = NULL; |
| 605 | } |
| 606 | UNBLOCK_INPUT; |
| 607 | } |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
| 612 | |
| 613 | static void |
| 614 | x_destroy_all_bitmaps (dpyinfo) |
| 615 | struct w32_display_info *dpyinfo; |
| 616 | { |
| 617 | int i; |
| 618 | for (i = 0; i < dpyinfo->bitmaps_last; i++) |
| 619 | if (dpyinfo->bitmaps[i].refcount > 0) |
| 620 | { |
| 621 | DeleteObject (dpyinfo->bitmaps[i].pixmap); |
| 622 | if (dpyinfo->bitmaps[i].file) |
| 623 | xfree (dpyinfo->bitmaps[i].file); |
| 624 | } |
| 625 | dpyinfo->bitmaps_last = 0; |
| 626 | } |
| 627 | \f |
| 628 | /* Connect the frame-parameter names for W32 frames |
| 629 | to the ways of passing the parameter values to the window system. |
| 630 | |
| 631 | The name of a parameter, as a Lisp symbol, |
| 632 | has an `x-frame-parameter' property which is an integer in Lisp |
| 633 | but can be interpreted as an `enum x_frame_parm' in C. */ |
| 634 | |
| 635 | enum x_frame_parm |
| 636 | { |
| 637 | X_PARM_FOREGROUND_COLOR, |
| 638 | X_PARM_BACKGROUND_COLOR, |
| 639 | X_PARM_MOUSE_COLOR, |
| 640 | X_PARM_CURSOR_COLOR, |
| 641 | X_PARM_BORDER_COLOR, |
| 642 | X_PARM_ICON_TYPE, |
| 643 | X_PARM_FONT, |
| 644 | X_PARM_BORDER_WIDTH, |
| 645 | X_PARM_INTERNAL_BORDER_WIDTH, |
| 646 | X_PARM_NAME, |
| 647 | X_PARM_AUTORAISE, |
| 648 | X_PARM_AUTOLOWER, |
| 649 | X_PARM_VERT_SCROLL_BAR, |
| 650 | X_PARM_VISIBILITY, |
| 651 | X_PARM_MENU_BAR_LINES |
| 652 | }; |
| 653 | |
| 654 | |
| 655 | struct x_frame_parm_table |
| 656 | { |
| 657 | char *name; |
| 658 | void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 659 | }; |
| 660 | |
| 661 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
| 662 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); |
| 663 | static void x_change_window_heights P_ ((Lisp_Object, int)); |
| 664 | /* TODO: Native Input Method support; see x_create_im. */ |
| 665 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 666 | static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 667 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 668 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 669 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 670 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 671 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 672 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 673 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 674 | void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 675 | void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 676 | void x_set_internal_border_width P_ ((struct frame *, Lisp_Object, |
| 677 | Lisp_Object)); |
| 678 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 679 | void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 680 | void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 681 | void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object, |
| 682 | Lisp_Object)); |
| 683 | void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 684 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 685 | void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 686 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 687 | void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 688 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 689 | static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 690 | |
| 691 | static struct x_frame_parm_table x_frame_parms[] = |
| 692 | { |
| 693 | "auto-raise", x_set_autoraise, |
| 694 | "auto-lower", x_set_autolower, |
| 695 | "background-color", x_set_background_color, |
| 696 | "border-color", x_set_border_color, |
| 697 | "border-width", x_set_border_width, |
| 698 | "cursor-color", x_set_cursor_color, |
| 699 | "cursor-type", x_set_cursor_type, |
| 700 | "font", x_set_font, |
| 701 | "foreground-color", x_set_foreground_color, |
| 702 | "icon-name", x_set_icon_name, |
| 703 | "icon-type", x_set_icon_type, |
| 704 | "internal-border-width", x_set_internal_border_width, |
| 705 | "menu-bar-lines", x_set_menu_bar_lines, |
| 706 | "mouse-color", x_set_mouse_color, |
| 707 | "name", x_explicitly_set_name, |
| 708 | "scroll-bar-width", x_set_scroll_bar_width, |
| 709 | "title", x_set_title, |
| 710 | "unsplittable", x_set_unsplittable, |
| 711 | "vertical-scroll-bars", x_set_vertical_scroll_bars, |
| 712 | "visibility", x_set_visibility, |
| 713 | "tool-bar-lines", x_set_tool_bar_lines, |
| 714 | "screen-gamma", x_set_screen_gamma, |
| 715 | "line-spacing", x_set_line_spacing |
| 716 | }; |
| 717 | |
| 718 | /* Attach the `x-frame-parameter' properties to |
| 719 | the Lisp symbol names of parameters relevant to W32. */ |
| 720 | |
| 721 | void |
| 722 | init_x_parm_symbols () |
| 723 | { |
| 724 | int i; |
| 725 | |
| 726 | for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++) |
| 727 | Fput (intern (x_frame_parms[i].name), Qx_frame_parameter, |
| 728 | make_number (i)); |
| 729 | } |
| 730 | \f |
| 731 | /* Change the parameters of frame F as specified by ALIST. |
| 732 | If a parameter is not specially recognized, do nothing; |
| 733 | otherwise call the `x_set_...' function for that parameter. */ |
| 734 | |
| 735 | void |
| 736 | x_set_frame_parameters (f, alist) |
| 737 | FRAME_PTR f; |
| 738 | Lisp_Object alist; |
| 739 | { |
| 740 | Lisp_Object tail; |
| 741 | |
| 742 | /* If both of these parameters are present, it's more efficient to |
| 743 | set them both at once. So we wait until we've looked at the |
| 744 | entire list before we set them. */ |
| 745 | int width, height; |
| 746 | |
| 747 | /* Same here. */ |
| 748 | Lisp_Object left, top; |
| 749 | |
| 750 | /* Same with these. */ |
| 751 | Lisp_Object icon_left, icon_top; |
| 752 | |
| 753 | /* Record in these vectors all the parms specified. */ |
| 754 | Lisp_Object *parms; |
| 755 | Lisp_Object *values; |
| 756 | int i, p; |
| 757 | int left_no_change = 0, top_no_change = 0; |
| 758 | int icon_left_no_change = 0, icon_top_no_change = 0; |
| 759 | |
| 760 | struct gcpro gcpro1, gcpro2; |
| 761 | |
| 762 | i = 0; |
| 763 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
| 764 | i++; |
| 765 | |
| 766 | parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); |
| 767 | values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); |
| 768 | |
| 769 | /* Extract parm names and values into those vectors. */ |
| 770 | |
| 771 | i = 0; |
| 772 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
| 773 | { |
| 774 | Lisp_Object elt; |
| 775 | |
| 776 | elt = Fcar (tail); |
| 777 | parms[i] = Fcar (elt); |
| 778 | values[i] = Fcdr (elt); |
| 779 | i++; |
| 780 | } |
| 781 | /* TAIL and ALIST are not used again below here. */ |
| 782 | alist = tail = Qnil; |
| 783 | |
| 784 | GCPRO2 (*parms, *values); |
| 785 | gcpro1.nvars = i; |
| 786 | gcpro2.nvars = i; |
| 787 | |
| 788 | /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP, |
| 789 | because their values appear in VALUES and strings are not valid. */ |
| 790 | top = left = Qunbound; |
| 791 | icon_left = icon_top = Qunbound; |
| 792 | |
| 793 | /* Provide default values for HEIGHT and WIDTH. */ |
| 794 | if (FRAME_NEW_WIDTH (f)) |
| 795 | width = FRAME_NEW_WIDTH (f); |
| 796 | else |
| 797 | width = FRAME_WIDTH (f); |
| 798 | |
| 799 | if (FRAME_NEW_HEIGHT (f)) |
| 800 | height = FRAME_NEW_HEIGHT (f); |
| 801 | else |
| 802 | height = FRAME_HEIGHT (f); |
| 803 | |
| 804 | /* Process foreground_color and background_color before anything else. |
| 805 | They are independent of other properties, but other properties (e.g., |
| 806 | cursor_color) are dependent upon them. */ |
| 807 | for (p = 0; p < i; p++) |
| 808 | { |
| 809 | Lisp_Object prop, val; |
| 810 | |
| 811 | prop = parms[p]; |
| 812 | val = values[p]; |
| 813 | if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
| 814 | { |
| 815 | register Lisp_Object param_index, old_value; |
| 816 | |
| 817 | param_index = Fget (prop, Qx_frame_parameter); |
| 818 | old_value = get_frame_param (f, prop); |
| 819 | store_frame_param (f, prop, val); |
| 820 | if (NATNUMP (param_index) |
| 821 | && (XFASTINT (param_index) |
| 822 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
| 823 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | /* Now process them in reverse of specified order. */ |
| 828 | for (i--; i >= 0; i--) |
| 829 | { |
| 830 | Lisp_Object prop, val; |
| 831 | |
| 832 | prop = parms[i]; |
| 833 | val = values[i]; |
| 834 | |
| 835 | if (EQ (prop, Qwidth) && NUMBERP (val)) |
| 836 | width = XFASTINT (val); |
| 837 | else if (EQ (prop, Qheight) && NUMBERP (val)) |
| 838 | height = XFASTINT (val); |
| 839 | else if (EQ (prop, Qtop)) |
| 840 | top = val; |
| 841 | else if (EQ (prop, Qleft)) |
| 842 | left = val; |
| 843 | else if (EQ (prop, Qicon_top)) |
| 844 | icon_top = val; |
| 845 | else if (EQ (prop, Qicon_left)) |
| 846 | icon_left = val; |
| 847 | else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
| 848 | /* Processed above. */ |
| 849 | continue; |
| 850 | else |
| 851 | { |
| 852 | register Lisp_Object param_index, old_value; |
| 853 | |
| 854 | param_index = Fget (prop, Qx_frame_parameter); |
| 855 | old_value = get_frame_param (f, prop); |
| 856 | store_frame_param (f, prop, val); |
| 857 | if (NATNUMP (param_index) |
| 858 | && (XFASTINT (param_index) |
| 859 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
| 860 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | /* Don't die if just one of these was set. */ |
| 865 | if (EQ (left, Qunbound)) |
| 866 | { |
| 867 | left_no_change = 1; |
| 868 | if (f->output_data.w32->left_pos < 0) |
| 869 | left = Fcons (Qplus, Fcons (make_number (f->output_data.w32->left_pos), Qnil)); |
| 870 | else |
| 871 | XSETINT (left, f->output_data.w32->left_pos); |
| 872 | } |
| 873 | if (EQ (top, Qunbound)) |
| 874 | { |
| 875 | top_no_change = 1; |
| 876 | if (f->output_data.w32->top_pos < 0) |
| 877 | top = Fcons (Qplus, Fcons (make_number (f->output_data.w32->top_pos), Qnil)); |
| 878 | else |
| 879 | XSETINT (top, f->output_data.w32->top_pos); |
| 880 | } |
| 881 | |
| 882 | /* If one of the icon positions was not set, preserve or default it. */ |
| 883 | if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left)) |
| 884 | { |
| 885 | icon_left_no_change = 1; |
| 886 | icon_left = Fcdr (Fassq (Qicon_left, f->param_alist)); |
| 887 | if (NILP (icon_left)) |
| 888 | XSETINT (icon_left, 0); |
| 889 | } |
| 890 | if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top)) |
| 891 | { |
| 892 | icon_top_no_change = 1; |
| 893 | icon_top = Fcdr (Fassq (Qicon_top, f->param_alist)); |
| 894 | if (NILP (icon_top)) |
| 895 | XSETINT (icon_top, 0); |
| 896 | } |
| 897 | |
| 898 | /* Don't set these parameters unless they've been explicitly |
| 899 | specified. The window might be mapped or resized while we're in |
| 900 | this function, and we don't want to override that unless the lisp |
| 901 | code has asked for it. |
| 902 | |
| 903 | Don't set these parameters unless they actually differ from the |
| 904 | window's current parameters; the window may not actually exist |
| 905 | yet. */ |
| 906 | { |
| 907 | Lisp_Object frame; |
| 908 | |
| 909 | check_frame_size (f, &height, &width); |
| 910 | |
| 911 | XSETFRAME (frame, f); |
| 912 | |
| 913 | if (width != FRAME_WIDTH (f) |
| 914 | || height != FRAME_HEIGHT (f) |
| 915 | || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) |
| 916 | Fset_frame_size (frame, make_number (width), make_number (height)); |
| 917 | |
| 918 | if ((!NILP (left) || !NILP (top)) |
| 919 | && ! (left_no_change && top_no_change) |
| 920 | && ! (NUMBERP (left) && XINT (left) == f->output_data.w32->left_pos |
| 921 | && NUMBERP (top) && XINT (top) == f->output_data.w32->top_pos)) |
| 922 | { |
| 923 | int leftpos = 0; |
| 924 | int toppos = 0; |
| 925 | |
| 926 | /* Record the signs. */ |
| 927 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
| 928 | if (EQ (left, Qminus)) |
| 929 | f->output_data.w32->size_hint_flags |= XNegative; |
| 930 | else if (INTEGERP (left)) |
| 931 | { |
| 932 | leftpos = XINT (left); |
| 933 | if (leftpos < 0) |
| 934 | f->output_data.w32->size_hint_flags |= XNegative; |
| 935 | } |
| 936 | else if (CONSP (left) && EQ (XCAR (left), Qminus) |
| 937 | && CONSP (XCDR (left)) |
| 938 | && INTEGERP (XCAR (XCDR (left)))) |
| 939 | { |
| 940 | leftpos = - XINT (XCAR (XCDR (left))); |
| 941 | f->output_data.w32->size_hint_flags |= XNegative; |
| 942 | } |
| 943 | else if (CONSP (left) && EQ (XCAR (left), Qplus) |
| 944 | && CONSP (XCDR (left)) |
| 945 | && INTEGERP (XCAR (XCDR (left)))) |
| 946 | { |
| 947 | leftpos = XINT (XCAR (XCDR (left))); |
| 948 | } |
| 949 | |
| 950 | if (EQ (top, Qminus)) |
| 951 | f->output_data.w32->size_hint_flags |= YNegative; |
| 952 | else if (INTEGERP (top)) |
| 953 | { |
| 954 | toppos = XINT (top); |
| 955 | if (toppos < 0) |
| 956 | f->output_data.w32->size_hint_flags |= YNegative; |
| 957 | } |
| 958 | else if (CONSP (top) && EQ (XCAR (top), Qminus) |
| 959 | && CONSP (XCDR (top)) |
| 960 | && INTEGERP (XCAR (XCDR (top)))) |
| 961 | { |
| 962 | toppos = - XINT (XCAR (XCDR (top))); |
| 963 | f->output_data.w32->size_hint_flags |= YNegative; |
| 964 | } |
| 965 | else if (CONSP (top) && EQ (XCAR (top), Qplus) |
| 966 | && CONSP (XCDR (top)) |
| 967 | && INTEGERP (XCAR (XCDR (top)))) |
| 968 | { |
| 969 | toppos = XINT (XCAR (XCDR (top))); |
| 970 | } |
| 971 | |
| 972 | |
| 973 | /* Store the numeric value of the position. */ |
| 974 | f->output_data.w32->top_pos = toppos; |
| 975 | f->output_data.w32->left_pos = leftpos; |
| 976 | |
| 977 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 978 | |
| 979 | /* Actually set that position, and convert to absolute. */ |
| 980 | x_set_offset (f, leftpos, toppos, -1); |
| 981 | } |
| 982 | |
| 983 | if ((!NILP (icon_left) || !NILP (icon_top)) |
| 984 | && ! (icon_left_no_change && icon_top_no_change)) |
| 985 | x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top)); |
| 986 | } |
| 987 | |
| 988 | UNGCPRO; |
| 989 | } |
| 990 | |
| 991 | /* Store the screen positions of frame F into XPTR and YPTR. |
| 992 | These are the positions of the containing window manager window, |
| 993 | not Emacs's own window. */ |
| 994 | |
| 995 | void |
| 996 | x_real_positions (f, xptr, yptr) |
| 997 | FRAME_PTR f; |
| 998 | int *xptr, *yptr; |
| 999 | { |
| 1000 | POINT pt; |
| 1001 | |
| 1002 | { |
| 1003 | RECT rect; |
| 1004 | |
| 1005 | GetClientRect(FRAME_W32_WINDOW(f), &rect); |
| 1006 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f)); |
| 1007 | |
| 1008 | pt.x = rect.left; |
| 1009 | pt.y = rect.top; |
| 1010 | } |
| 1011 | |
| 1012 | ClientToScreen (FRAME_W32_WINDOW(f), &pt); |
| 1013 | |
| 1014 | *xptr = pt.x; |
| 1015 | *yptr = pt.y; |
| 1016 | } |
| 1017 | |
| 1018 | /* Insert a description of internally-recorded parameters of frame X |
| 1019 | into the parameter alist *ALISTPTR that is to be given to the user. |
| 1020 | Only parameters that are specific to W32 |
| 1021 | and whose values are not correctly recorded in the frame's |
| 1022 | param_alist need to be considered here. */ |
| 1023 | |
| 1024 | void |
| 1025 | x_report_frame_params (f, alistptr) |
| 1026 | struct frame *f; |
| 1027 | Lisp_Object *alistptr; |
| 1028 | { |
| 1029 | char buf[16]; |
| 1030 | Lisp_Object tem; |
| 1031 | |
| 1032 | /* Represent negative positions (off the top or left screen edge) |
| 1033 | in a way that Fmodify_frame_parameters will understand correctly. */ |
| 1034 | XSETINT (tem, f->output_data.w32->left_pos); |
| 1035 | if (f->output_data.w32->left_pos >= 0) |
| 1036 | store_in_alist (alistptr, Qleft, tem); |
| 1037 | else |
| 1038 | store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil))); |
| 1039 | |
| 1040 | XSETINT (tem, f->output_data.w32->top_pos); |
| 1041 | if (f->output_data.w32->top_pos >= 0) |
| 1042 | store_in_alist (alistptr, Qtop, tem); |
| 1043 | else |
| 1044 | store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil))); |
| 1045 | |
| 1046 | store_in_alist (alistptr, Qborder_width, |
| 1047 | make_number (f->output_data.w32->border_width)); |
| 1048 | store_in_alist (alistptr, Qinternal_border_width, |
| 1049 | make_number (f->output_data.w32->internal_border_width)); |
| 1050 | sprintf (buf, "%ld", (long) FRAME_W32_WINDOW (f)); |
| 1051 | store_in_alist (alistptr, Qwindow_id, |
| 1052 | build_string (buf)); |
| 1053 | store_in_alist (alistptr, Qicon_name, f->icon_name); |
| 1054 | FRAME_SAMPLE_VISIBILITY (f); |
| 1055 | store_in_alist (alistptr, Qvisibility, |
| 1056 | (FRAME_VISIBLE_P (f) ? Qt |
| 1057 | : FRAME_ICONIFIED_P (f) ? Qicon : Qnil)); |
| 1058 | store_in_alist (alistptr, Qdisplay, |
| 1059 | XCAR (FRAME_W32_DISPLAY_INFO (f)->name_list_element)); |
| 1060 | } |
| 1061 | \f |
| 1062 | |
| 1063 | DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color, Sw32_define_rgb_color, 4, 4, 0, |
| 1064 | "Convert RGB numbers to a windows color reference and associate with NAME (a string).\n\ |
| 1065 | This adds or updates a named color to w32-color-map, making it available for use.\n\ |
| 1066 | The original entry's RGB ref is returned, or nil if the entry is new.") |
| 1067 | (red, green, blue, name) |
| 1068 | Lisp_Object red, green, blue, name; |
| 1069 | { |
| 1070 | Lisp_Object rgb; |
| 1071 | Lisp_Object oldrgb = Qnil; |
| 1072 | Lisp_Object entry; |
| 1073 | |
| 1074 | CHECK_NUMBER (red, 0); |
| 1075 | CHECK_NUMBER (green, 0); |
| 1076 | CHECK_NUMBER (blue, 0); |
| 1077 | CHECK_STRING (name, 0); |
| 1078 | |
| 1079 | XSET (rgb, Lisp_Int, RGB(XUINT (red), XUINT (green), XUINT (blue))); |
| 1080 | |
| 1081 | BLOCK_INPUT; |
| 1082 | |
| 1083 | /* replace existing entry in w32-color-map or add new entry. */ |
| 1084 | entry = Fassoc (name, Vw32_color_map); |
| 1085 | if (NILP (entry)) |
| 1086 | { |
| 1087 | entry = Fcons (name, rgb); |
| 1088 | Vw32_color_map = Fcons (entry, Vw32_color_map); |
| 1089 | } |
| 1090 | else |
| 1091 | { |
| 1092 | oldrgb = Fcdr (entry); |
| 1093 | Fsetcdr (entry, rgb); |
| 1094 | } |
| 1095 | |
| 1096 | UNBLOCK_INPUT; |
| 1097 | |
| 1098 | return (oldrgb); |
| 1099 | } |
| 1100 | |
| 1101 | DEFUN ("w32-load-color-file", Fw32_load_color_file, Sw32_load_color_file, 1, 1, 0, |
| 1102 | "Create an alist of color entries from an external file (ie. rgb.txt).\n\ |
| 1103 | Assign this value to w32-color-map to replace the existing color map.\n\ |
| 1104 | \ |
| 1105 | The file should define one named RGB color per line like so:\ |
| 1106 | R G B name\n\ |
| 1107 | where R,G,B are numbers between 0 and 255 and name is an arbitrary string.") |
| 1108 | (filename) |
| 1109 | Lisp_Object filename; |
| 1110 | { |
| 1111 | FILE *fp; |
| 1112 | Lisp_Object cmap = Qnil; |
| 1113 | Lisp_Object abspath; |
| 1114 | |
| 1115 | CHECK_STRING (filename, 0); |
| 1116 | abspath = Fexpand_file_name (filename, Qnil); |
| 1117 | |
| 1118 | fp = fopen (XSTRING (filename)->data, "rt"); |
| 1119 | if (fp) |
| 1120 | { |
| 1121 | char buf[512]; |
| 1122 | int red, green, blue; |
| 1123 | int num; |
| 1124 | |
| 1125 | BLOCK_INPUT; |
| 1126 | |
| 1127 | while (fgets (buf, sizeof (buf), fp) != NULL) { |
| 1128 | if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3) |
| 1129 | { |
| 1130 | char *name = buf + num; |
| 1131 | num = strlen (name) - 1; |
| 1132 | if (name[num] == '\n') |
| 1133 | name[num] = 0; |
| 1134 | cmap = Fcons (Fcons (build_string (name), |
| 1135 | make_number (RGB (red, green, blue))), |
| 1136 | cmap); |
| 1137 | } |
| 1138 | } |
| 1139 | fclose (fp); |
| 1140 | |
| 1141 | UNBLOCK_INPUT; |
| 1142 | } |
| 1143 | |
| 1144 | return cmap; |
| 1145 | } |
| 1146 | |
| 1147 | /* The default colors for the w32 color map */ |
| 1148 | typedef struct colormap_t |
| 1149 | { |
| 1150 | char *name; |
| 1151 | COLORREF colorref; |
| 1152 | } colormap_t; |
| 1153 | |
| 1154 | colormap_t w32_color_map[] = |
| 1155 | { |
| 1156 | {"snow" , PALETTERGB (255,250,250)}, |
| 1157 | {"ghost white" , PALETTERGB (248,248,255)}, |
| 1158 | {"GhostWhite" , PALETTERGB (248,248,255)}, |
| 1159 | {"white smoke" , PALETTERGB (245,245,245)}, |
| 1160 | {"WhiteSmoke" , PALETTERGB (245,245,245)}, |
| 1161 | {"gainsboro" , PALETTERGB (220,220,220)}, |
| 1162 | {"floral white" , PALETTERGB (255,250,240)}, |
| 1163 | {"FloralWhite" , PALETTERGB (255,250,240)}, |
| 1164 | {"old lace" , PALETTERGB (253,245,230)}, |
| 1165 | {"OldLace" , PALETTERGB (253,245,230)}, |
| 1166 | {"linen" , PALETTERGB (250,240,230)}, |
| 1167 | {"antique white" , PALETTERGB (250,235,215)}, |
| 1168 | {"AntiqueWhite" , PALETTERGB (250,235,215)}, |
| 1169 | {"papaya whip" , PALETTERGB (255,239,213)}, |
| 1170 | {"PapayaWhip" , PALETTERGB (255,239,213)}, |
| 1171 | {"blanched almond" , PALETTERGB (255,235,205)}, |
| 1172 | {"BlanchedAlmond" , PALETTERGB (255,235,205)}, |
| 1173 | {"bisque" , PALETTERGB (255,228,196)}, |
| 1174 | {"peach puff" , PALETTERGB (255,218,185)}, |
| 1175 | {"PeachPuff" , PALETTERGB (255,218,185)}, |
| 1176 | {"navajo white" , PALETTERGB (255,222,173)}, |
| 1177 | {"NavajoWhite" , PALETTERGB (255,222,173)}, |
| 1178 | {"moccasin" , PALETTERGB (255,228,181)}, |
| 1179 | {"cornsilk" , PALETTERGB (255,248,220)}, |
| 1180 | {"ivory" , PALETTERGB (255,255,240)}, |
| 1181 | {"lemon chiffon" , PALETTERGB (255,250,205)}, |
| 1182 | {"LemonChiffon" , PALETTERGB (255,250,205)}, |
| 1183 | {"seashell" , PALETTERGB (255,245,238)}, |
| 1184 | {"honeydew" , PALETTERGB (240,255,240)}, |
| 1185 | {"mint cream" , PALETTERGB (245,255,250)}, |
| 1186 | {"MintCream" , PALETTERGB (245,255,250)}, |
| 1187 | {"azure" , PALETTERGB (240,255,255)}, |
| 1188 | {"alice blue" , PALETTERGB (240,248,255)}, |
| 1189 | {"AliceBlue" , PALETTERGB (240,248,255)}, |
| 1190 | {"lavender" , PALETTERGB (230,230,250)}, |
| 1191 | {"lavender blush" , PALETTERGB (255,240,245)}, |
| 1192 | {"LavenderBlush" , PALETTERGB (255,240,245)}, |
| 1193 | {"misty rose" , PALETTERGB (255,228,225)}, |
| 1194 | {"MistyRose" , PALETTERGB (255,228,225)}, |
| 1195 | {"white" , PALETTERGB (255,255,255)}, |
| 1196 | {"black" , PALETTERGB ( 0, 0, 0)}, |
| 1197 | {"dark slate gray" , PALETTERGB ( 47, 79, 79)}, |
| 1198 | {"DarkSlateGray" , PALETTERGB ( 47, 79, 79)}, |
| 1199 | {"dark slate grey" , PALETTERGB ( 47, 79, 79)}, |
| 1200 | {"DarkSlateGrey" , PALETTERGB ( 47, 79, 79)}, |
| 1201 | {"dim gray" , PALETTERGB (105,105,105)}, |
| 1202 | {"DimGray" , PALETTERGB (105,105,105)}, |
| 1203 | {"dim grey" , PALETTERGB (105,105,105)}, |
| 1204 | {"DimGrey" , PALETTERGB (105,105,105)}, |
| 1205 | {"slate gray" , PALETTERGB (112,128,144)}, |
| 1206 | {"SlateGray" , PALETTERGB (112,128,144)}, |
| 1207 | {"slate grey" , PALETTERGB (112,128,144)}, |
| 1208 | {"SlateGrey" , PALETTERGB (112,128,144)}, |
| 1209 | {"light slate gray" , PALETTERGB (119,136,153)}, |
| 1210 | {"LightSlateGray" , PALETTERGB (119,136,153)}, |
| 1211 | {"light slate grey" , PALETTERGB (119,136,153)}, |
| 1212 | {"LightSlateGrey" , PALETTERGB (119,136,153)}, |
| 1213 | {"gray" , PALETTERGB (190,190,190)}, |
| 1214 | {"grey" , PALETTERGB (190,190,190)}, |
| 1215 | {"light grey" , PALETTERGB (211,211,211)}, |
| 1216 | {"LightGrey" , PALETTERGB (211,211,211)}, |
| 1217 | {"light gray" , PALETTERGB (211,211,211)}, |
| 1218 | {"LightGray" , PALETTERGB (211,211,211)}, |
| 1219 | {"midnight blue" , PALETTERGB ( 25, 25,112)}, |
| 1220 | {"MidnightBlue" , PALETTERGB ( 25, 25,112)}, |
| 1221 | {"navy" , PALETTERGB ( 0, 0,128)}, |
| 1222 | {"navy blue" , PALETTERGB ( 0, 0,128)}, |
| 1223 | {"NavyBlue" , PALETTERGB ( 0, 0,128)}, |
| 1224 | {"cornflower blue" , PALETTERGB (100,149,237)}, |
| 1225 | {"CornflowerBlue" , PALETTERGB (100,149,237)}, |
| 1226 | {"dark slate blue" , PALETTERGB ( 72, 61,139)}, |
| 1227 | {"DarkSlateBlue" , PALETTERGB ( 72, 61,139)}, |
| 1228 | {"slate blue" , PALETTERGB (106, 90,205)}, |
| 1229 | {"SlateBlue" , PALETTERGB (106, 90,205)}, |
| 1230 | {"medium slate blue" , PALETTERGB (123,104,238)}, |
| 1231 | {"MediumSlateBlue" , PALETTERGB (123,104,238)}, |
| 1232 | {"light slate blue" , PALETTERGB (132,112,255)}, |
| 1233 | {"LightSlateBlue" , PALETTERGB (132,112,255)}, |
| 1234 | {"medium blue" , PALETTERGB ( 0, 0,205)}, |
| 1235 | {"MediumBlue" , PALETTERGB ( 0, 0,205)}, |
| 1236 | {"royal blue" , PALETTERGB ( 65,105,225)}, |
| 1237 | {"RoyalBlue" , PALETTERGB ( 65,105,225)}, |
| 1238 | {"blue" , PALETTERGB ( 0, 0,255)}, |
| 1239 | {"dodger blue" , PALETTERGB ( 30,144,255)}, |
| 1240 | {"DodgerBlue" , PALETTERGB ( 30,144,255)}, |
| 1241 | {"deep sky blue" , PALETTERGB ( 0,191,255)}, |
| 1242 | {"DeepSkyBlue" , PALETTERGB ( 0,191,255)}, |
| 1243 | {"sky blue" , PALETTERGB (135,206,235)}, |
| 1244 | {"SkyBlue" , PALETTERGB (135,206,235)}, |
| 1245 | {"light sky blue" , PALETTERGB (135,206,250)}, |
| 1246 | {"LightSkyBlue" , PALETTERGB (135,206,250)}, |
| 1247 | {"steel blue" , PALETTERGB ( 70,130,180)}, |
| 1248 | {"SteelBlue" , PALETTERGB ( 70,130,180)}, |
| 1249 | {"light steel blue" , PALETTERGB (176,196,222)}, |
| 1250 | {"LightSteelBlue" , PALETTERGB (176,196,222)}, |
| 1251 | {"light blue" , PALETTERGB (173,216,230)}, |
| 1252 | {"LightBlue" , PALETTERGB (173,216,230)}, |
| 1253 | {"powder blue" , PALETTERGB (176,224,230)}, |
| 1254 | {"PowderBlue" , PALETTERGB (176,224,230)}, |
| 1255 | {"pale turquoise" , PALETTERGB (175,238,238)}, |
| 1256 | {"PaleTurquoise" , PALETTERGB (175,238,238)}, |
| 1257 | {"dark turquoise" , PALETTERGB ( 0,206,209)}, |
| 1258 | {"DarkTurquoise" , PALETTERGB ( 0,206,209)}, |
| 1259 | {"medium turquoise" , PALETTERGB ( 72,209,204)}, |
| 1260 | {"MediumTurquoise" , PALETTERGB ( 72,209,204)}, |
| 1261 | {"turquoise" , PALETTERGB ( 64,224,208)}, |
| 1262 | {"cyan" , PALETTERGB ( 0,255,255)}, |
| 1263 | {"light cyan" , PALETTERGB (224,255,255)}, |
| 1264 | {"LightCyan" , PALETTERGB (224,255,255)}, |
| 1265 | {"cadet blue" , PALETTERGB ( 95,158,160)}, |
| 1266 | {"CadetBlue" , PALETTERGB ( 95,158,160)}, |
| 1267 | {"medium aquamarine" , PALETTERGB (102,205,170)}, |
| 1268 | {"MediumAquamarine" , PALETTERGB (102,205,170)}, |
| 1269 | {"aquamarine" , PALETTERGB (127,255,212)}, |
| 1270 | {"dark green" , PALETTERGB ( 0,100, 0)}, |
| 1271 | {"DarkGreen" , PALETTERGB ( 0,100, 0)}, |
| 1272 | {"dark olive green" , PALETTERGB ( 85,107, 47)}, |
| 1273 | {"DarkOliveGreen" , PALETTERGB ( 85,107, 47)}, |
| 1274 | {"dark sea green" , PALETTERGB (143,188,143)}, |
| 1275 | {"DarkSeaGreen" , PALETTERGB (143,188,143)}, |
| 1276 | {"sea green" , PALETTERGB ( 46,139, 87)}, |
| 1277 | {"SeaGreen" , PALETTERGB ( 46,139, 87)}, |
| 1278 | {"medium sea green" , PALETTERGB ( 60,179,113)}, |
| 1279 | {"MediumSeaGreen" , PALETTERGB ( 60,179,113)}, |
| 1280 | {"light sea green" , PALETTERGB ( 32,178,170)}, |
| 1281 | {"LightSeaGreen" , PALETTERGB ( 32,178,170)}, |
| 1282 | {"pale green" , PALETTERGB (152,251,152)}, |
| 1283 | {"PaleGreen" , PALETTERGB (152,251,152)}, |
| 1284 | {"spring green" , PALETTERGB ( 0,255,127)}, |
| 1285 | {"SpringGreen" , PALETTERGB ( 0,255,127)}, |
| 1286 | {"lawn green" , PALETTERGB (124,252, 0)}, |
| 1287 | {"LawnGreen" , PALETTERGB (124,252, 0)}, |
| 1288 | {"green" , PALETTERGB ( 0,255, 0)}, |
| 1289 | {"chartreuse" , PALETTERGB (127,255, 0)}, |
| 1290 | {"medium spring green" , PALETTERGB ( 0,250,154)}, |
| 1291 | {"MediumSpringGreen" , PALETTERGB ( 0,250,154)}, |
| 1292 | {"green yellow" , PALETTERGB (173,255, 47)}, |
| 1293 | {"GreenYellow" , PALETTERGB (173,255, 47)}, |
| 1294 | {"lime green" , PALETTERGB ( 50,205, 50)}, |
| 1295 | {"LimeGreen" , PALETTERGB ( 50,205, 50)}, |
| 1296 | {"yellow green" , PALETTERGB (154,205, 50)}, |
| 1297 | {"YellowGreen" , PALETTERGB (154,205, 50)}, |
| 1298 | {"forest green" , PALETTERGB ( 34,139, 34)}, |
| 1299 | {"ForestGreen" , PALETTERGB ( 34,139, 34)}, |
| 1300 | {"olive drab" , PALETTERGB (107,142, 35)}, |
| 1301 | {"OliveDrab" , PALETTERGB (107,142, 35)}, |
| 1302 | {"dark khaki" , PALETTERGB (189,183,107)}, |
| 1303 | {"DarkKhaki" , PALETTERGB (189,183,107)}, |
| 1304 | {"khaki" , PALETTERGB (240,230,140)}, |
| 1305 | {"pale goldenrod" , PALETTERGB (238,232,170)}, |
| 1306 | {"PaleGoldenrod" , PALETTERGB (238,232,170)}, |
| 1307 | {"light goldenrod yellow" , PALETTERGB (250,250,210)}, |
| 1308 | {"LightGoldenrodYellow" , PALETTERGB (250,250,210)}, |
| 1309 | {"light yellow" , PALETTERGB (255,255,224)}, |
| 1310 | {"LightYellow" , PALETTERGB (255,255,224)}, |
| 1311 | {"yellow" , PALETTERGB (255,255, 0)}, |
| 1312 | {"gold" , PALETTERGB (255,215, 0)}, |
| 1313 | {"light goldenrod" , PALETTERGB (238,221,130)}, |
| 1314 | {"LightGoldenrod" , PALETTERGB (238,221,130)}, |
| 1315 | {"goldenrod" , PALETTERGB (218,165, 32)}, |
| 1316 | {"dark goldenrod" , PALETTERGB (184,134, 11)}, |
| 1317 | {"DarkGoldenrod" , PALETTERGB (184,134, 11)}, |
| 1318 | {"rosy brown" , PALETTERGB (188,143,143)}, |
| 1319 | {"RosyBrown" , PALETTERGB (188,143,143)}, |
| 1320 | {"indian red" , PALETTERGB (205, 92, 92)}, |
| 1321 | {"IndianRed" , PALETTERGB (205, 92, 92)}, |
| 1322 | {"saddle brown" , PALETTERGB (139, 69, 19)}, |
| 1323 | {"SaddleBrown" , PALETTERGB (139, 69, 19)}, |
| 1324 | {"sienna" , PALETTERGB (160, 82, 45)}, |
| 1325 | {"peru" , PALETTERGB (205,133, 63)}, |
| 1326 | {"burlywood" , PALETTERGB (222,184,135)}, |
| 1327 | {"beige" , PALETTERGB (245,245,220)}, |
| 1328 | {"wheat" , PALETTERGB (245,222,179)}, |
| 1329 | {"sandy brown" , PALETTERGB (244,164, 96)}, |
| 1330 | {"SandyBrown" , PALETTERGB (244,164, 96)}, |
| 1331 | {"tan" , PALETTERGB (210,180,140)}, |
| 1332 | {"chocolate" , PALETTERGB (210,105, 30)}, |
| 1333 | {"firebrick" , PALETTERGB (178,34, 34)}, |
| 1334 | {"brown" , PALETTERGB (165,42, 42)}, |
| 1335 | {"dark salmon" , PALETTERGB (233,150,122)}, |
| 1336 | {"DarkSalmon" , PALETTERGB (233,150,122)}, |
| 1337 | {"salmon" , PALETTERGB (250,128,114)}, |
| 1338 | {"light salmon" , PALETTERGB (255,160,122)}, |
| 1339 | {"LightSalmon" , PALETTERGB (255,160,122)}, |
| 1340 | {"orange" , PALETTERGB (255,165, 0)}, |
| 1341 | {"dark orange" , PALETTERGB (255,140, 0)}, |
| 1342 | {"DarkOrange" , PALETTERGB (255,140, 0)}, |
| 1343 | {"coral" , PALETTERGB (255,127, 80)}, |
| 1344 | {"light coral" , PALETTERGB (240,128,128)}, |
| 1345 | {"LightCoral" , PALETTERGB (240,128,128)}, |
| 1346 | {"tomato" , PALETTERGB (255, 99, 71)}, |
| 1347 | {"orange red" , PALETTERGB (255, 69, 0)}, |
| 1348 | {"OrangeRed" , PALETTERGB (255, 69, 0)}, |
| 1349 | {"red" , PALETTERGB (255, 0, 0)}, |
| 1350 | {"hot pink" , PALETTERGB (255,105,180)}, |
| 1351 | {"HotPink" , PALETTERGB (255,105,180)}, |
| 1352 | {"deep pink" , PALETTERGB (255, 20,147)}, |
| 1353 | {"DeepPink" , PALETTERGB (255, 20,147)}, |
| 1354 | {"pink" , PALETTERGB (255,192,203)}, |
| 1355 | {"light pink" , PALETTERGB (255,182,193)}, |
| 1356 | {"LightPink" , PALETTERGB (255,182,193)}, |
| 1357 | {"pale violet red" , PALETTERGB (219,112,147)}, |
| 1358 | {"PaleVioletRed" , PALETTERGB (219,112,147)}, |
| 1359 | {"maroon" , PALETTERGB (176, 48, 96)}, |
| 1360 | {"medium violet red" , PALETTERGB (199, 21,133)}, |
| 1361 | {"MediumVioletRed" , PALETTERGB (199, 21,133)}, |
| 1362 | {"violet red" , PALETTERGB (208, 32,144)}, |
| 1363 | {"VioletRed" , PALETTERGB (208, 32,144)}, |
| 1364 | {"magenta" , PALETTERGB (255, 0,255)}, |
| 1365 | {"violet" , PALETTERGB (238,130,238)}, |
| 1366 | {"plum" , PALETTERGB (221,160,221)}, |
| 1367 | {"orchid" , PALETTERGB (218,112,214)}, |
| 1368 | {"medium orchid" , PALETTERGB (186, 85,211)}, |
| 1369 | {"MediumOrchid" , PALETTERGB (186, 85,211)}, |
| 1370 | {"dark orchid" , PALETTERGB (153, 50,204)}, |
| 1371 | {"DarkOrchid" , PALETTERGB (153, 50,204)}, |
| 1372 | {"dark violet" , PALETTERGB (148, 0,211)}, |
| 1373 | {"DarkViolet" , PALETTERGB (148, 0,211)}, |
| 1374 | {"blue violet" , PALETTERGB (138, 43,226)}, |
| 1375 | {"BlueViolet" , PALETTERGB (138, 43,226)}, |
| 1376 | {"purple" , PALETTERGB (160, 32,240)}, |
| 1377 | {"medium purple" , PALETTERGB (147,112,219)}, |
| 1378 | {"MediumPurple" , PALETTERGB (147,112,219)}, |
| 1379 | {"thistle" , PALETTERGB (216,191,216)}, |
| 1380 | {"gray0" , PALETTERGB ( 0, 0, 0)}, |
| 1381 | {"grey0" , PALETTERGB ( 0, 0, 0)}, |
| 1382 | {"dark grey" , PALETTERGB (169,169,169)}, |
| 1383 | {"DarkGrey" , PALETTERGB (169,169,169)}, |
| 1384 | {"dark gray" , PALETTERGB (169,169,169)}, |
| 1385 | {"DarkGray" , PALETTERGB (169,169,169)}, |
| 1386 | {"dark blue" , PALETTERGB ( 0, 0,139)}, |
| 1387 | {"DarkBlue" , PALETTERGB ( 0, 0,139)}, |
| 1388 | {"dark cyan" , PALETTERGB ( 0,139,139)}, |
| 1389 | {"DarkCyan" , PALETTERGB ( 0,139,139)}, |
| 1390 | {"dark magenta" , PALETTERGB (139, 0,139)}, |
| 1391 | {"DarkMagenta" , PALETTERGB (139, 0,139)}, |
| 1392 | {"dark red" , PALETTERGB (139, 0, 0)}, |
| 1393 | {"DarkRed" , PALETTERGB (139, 0, 0)}, |
| 1394 | {"light green" , PALETTERGB (144,238,144)}, |
| 1395 | {"LightGreen" , PALETTERGB (144,238,144)}, |
| 1396 | }; |
| 1397 | |
| 1398 | DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map, |
| 1399 | 0, 0, 0, "Return the default color map.") |
| 1400 | () |
| 1401 | { |
| 1402 | int i; |
| 1403 | colormap_t *pc = w32_color_map; |
| 1404 | Lisp_Object cmap; |
| 1405 | |
| 1406 | BLOCK_INPUT; |
| 1407 | |
| 1408 | cmap = Qnil; |
| 1409 | |
| 1410 | for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]); |
| 1411 | pc++, i++) |
| 1412 | cmap = Fcons (Fcons (build_string (pc->name), |
| 1413 | make_number (pc->colorref)), |
| 1414 | cmap); |
| 1415 | |
| 1416 | UNBLOCK_INPUT; |
| 1417 | |
| 1418 | return (cmap); |
| 1419 | } |
| 1420 | |
| 1421 | Lisp_Object |
| 1422 | w32_to_x_color (rgb) |
| 1423 | Lisp_Object rgb; |
| 1424 | { |
| 1425 | Lisp_Object color; |
| 1426 | |
| 1427 | CHECK_NUMBER (rgb, 0); |
| 1428 | |
| 1429 | BLOCK_INPUT; |
| 1430 | |
| 1431 | color = Frassq (rgb, Vw32_color_map); |
| 1432 | |
| 1433 | UNBLOCK_INPUT; |
| 1434 | |
| 1435 | if (!NILP (color)) |
| 1436 | return (Fcar (color)); |
| 1437 | else |
| 1438 | return Qnil; |
| 1439 | } |
| 1440 | |
| 1441 | COLORREF |
| 1442 | w32_color_map_lookup (colorname) |
| 1443 | char *colorname; |
| 1444 | { |
| 1445 | Lisp_Object tail, ret = Qnil; |
| 1446 | |
| 1447 | BLOCK_INPUT; |
| 1448 | |
| 1449 | for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail)) |
| 1450 | { |
| 1451 | register Lisp_Object elt, tem; |
| 1452 | |
| 1453 | elt = Fcar (tail); |
| 1454 | if (!CONSP (elt)) continue; |
| 1455 | |
| 1456 | tem = Fcar (elt); |
| 1457 | |
| 1458 | if (lstrcmpi (XSTRING (tem)->data, colorname) == 0) |
| 1459 | { |
| 1460 | ret = XUINT (Fcdr (elt)); |
| 1461 | break; |
| 1462 | } |
| 1463 | |
| 1464 | QUIT; |
| 1465 | } |
| 1466 | |
| 1467 | |
| 1468 | UNBLOCK_INPUT; |
| 1469 | |
| 1470 | return ret; |
| 1471 | } |
| 1472 | |
| 1473 | COLORREF |
| 1474 | x_to_w32_color (colorname) |
| 1475 | char * colorname; |
| 1476 | { |
| 1477 | register Lisp_Object ret = Qnil; |
| 1478 | |
| 1479 | BLOCK_INPUT; |
| 1480 | |
| 1481 | if (colorname[0] == '#') |
| 1482 | { |
| 1483 | /* Could be an old-style RGB Device specification. */ |
| 1484 | char *color; |
| 1485 | int size; |
| 1486 | color = colorname + 1; |
| 1487 | |
| 1488 | size = strlen(color); |
| 1489 | if (size == 3 || size == 6 || size == 9 || size == 12) |
| 1490 | { |
| 1491 | UINT colorval; |
| 1492 | int i, pos; |
| 1493 | pos = 0; |
| 1494 | size /= 3; |
| 1495 | colorval = 0; |
| 1496 | |
| 1497 | for (i = 0; i < 3; i++) |
| 1498 | { |
| 1499 | char *end; |
| 1500 | char t; |
| 1501 | unsigned long value; |
| 1502 | |
| 1503 | /* The check for 'x' in the following conditional takes into |
| 1504 | account the fact that strtol allows a "0x" in front of |
| 1505 | our numbers, and we don't. */ |
| 1506 | if (!isxdigit(color[0]) || color[1] == 'x') |
| 1507 | break; |
| 1508 | t = color[size]; |
| 1509 | color[size] = '\0'; |
| 1510 | value = strtoul(color, &end, 16); |
| 1511 | color[size] = t; |
| 1512 | if (errno == ERANGE || end - color != size) |
| 1513 | break; |
| 1514 | switch (size) |
| 1515 | { |
| 1516 | case 1: |
| 1517 | value = value * 0x10; |
| 1518 | break; |
| 1519 | case 2: |
| 1520 | break; |
| 1521 | case 3: |
| 1522 | value /= 0x10; |
| 1523 | break; |
| 1524 | case 4: |
| 1525 | value /= 0x100; |
| 1526 | break; |
| 1527 | } |
| 1528 | colorval |= (value << pos); |
| 1529 | pos += 0x8; |
| 1530 | if (i == 2) |
| 1531 | { |
| 1532 | UNBLOCK_INPUT; |
| 1533 | return (colorval); |
| 1534 | } |
| 1535 | color = end; |
| 1536 | } |
| 1537 | } |
| 1538 | } |
| 1539 | else if (strnicmp(colorname, "rgb:", 4) == 0) |
| 1540 | { |
| 1541 | char *color; |
| 1542 | UINT colorval; |
| 1543 | int i, pos; |
| 1544 | pos = 0; |
| 1545 | |
| 1546 | colorval = 0; |
| 1547 | color = colorname + 4; |
| 1548 | for (i = 0; i < 3; i++) |
| 1549 | { |
| 1550 | char *end; |
| 1551 | unsigned long value; |
| 1552 | |
| 1553 | /* The check for 'x' in the following conditional takes into |
| 1554 | account the fact that strtol allows a "0x" in front of |
| 1555 | our numbers, and we don't. */ |
| 1556 | if (!isxdigit(color[0]) || color[1] == 'x') |
| 1557 | break; |
| 1558 | value = strtoul(color, &end, 16); |
| 1559 | if (errno == ERANGE) |
| 1560 | break; |
| 1561 | switch (end - color) |
| 1562 | { |
| 1563 | case 1: |
| 1564 | value = value * 0x10 + value; |
| 1565 | break; |
| 1566 | case 2: |
| 1567 | break; |
| 1568 | case 3: |
| 1569 | value /= 0x10; |
| 1570 | break; |
| 1571 | case 4: |
| 1572 | value /= 0x100; |
| 1573 | break; |
| 1574 | default: |
| 1575 | value = ULONG_MAX; |
| 1576 | } |
| 1577 | if (value == ULONG_MAX) |
| 1578 | break; |
| 1579 | colorval |= (value << pos); |
| 1580 | pos += 0x8; |
| 1581 | if (i == 2) |
| 1582 | { |
| 1583 | if (*end != '\0') |
| 1584 | break; |
| 1585 | UNBLOCK_INPUT; |
| 1586 | return (colorval); |
| 1587 | } |
| 1588 | if (*end != '/') |
| 1589 | break; |
| 1590 | color = end + 1; |
| 1591 | } |
| 1592 | } |
| 1593 | else if (strnicmp(colorname, "rgbi:", 5) == 0) |
| 1594 | { |
| 1595 | /* This is an RGB Intensity specification. */ |
| 1596 | char *color; |
| 1597 | UINT colorval; |
| 1598 | int i, pos; |
| 1599 | pos = 0; |
| 1600 | |
| 1601 | colorval = 0; |
| 1602 | color = colorname + 5; |
| 1603 | for (i = 0; i < 3; i++) |
| 1604 | { |
| 1605 | char *end; |
| 1606 | double value; |
| 1607 | UINT val; |
| 1608 | |
| 1609 | value = strtod(color, &end); |
| 1610 | if (errno == ERANGE) |
| 1611 | break; |
| 1612 | if (value < 0.0 || value > 1.0) |
| 1613 | break; |
| 1614 | val = (UINT)(0x100 * value); |
| 1615 | /* We used 0x100 instead of 0xFF to give an continuous |
| 1616 | range between 0.0 and 1.0 inclusive. The next statement |
| 1617 | fixes the 1.0 case. */ |
| 1618 | if (val == 0x100) |
| 1619 | val = 0xFF; |
| 1620 | colorval |= (val << pos); |
| 1621 | pos += 0x8; |
| 1622 | if (i == 2) |
| 1623 | { |
| 1624 | if (*end != '\0') |
| 1625 | break; |
| 1626 | UNBLOCK_INPUT; |
| 1627 | return (colorval); |
| 1628 | } |
| 1629 | if (*end != '/') |
| 1630 | break; |
| 1631 | color = end + 1; |
| 1632 | } |
| 1633 | } |
| 1634 | /* I am not going to attempt to handle any of the CIE color schemes |
| 1635 | or TekHVC, since I don't know the algorithms for conversion to |
| 1636 | RGB. */ |
| 1637 | |
| 1638 | /* If we fail to lookup the color name in w32_color_map, then check the |
| 1639 | colorname to see if it can be crudely approximated: If the X color |
| 1640 | ends in a number (e.g., "darkseagreen2"), strip the number and |
| 1641 | return the result of looking up the base color name. */ |
| 1642 | ret = w32_color_map_lookup (colorname); |
| 1643 | if (NILP (ret)) |
| 1644 | { |
| 1645 | int len = strlen (colorname); |
| 1646 | |
| 1647 | if (isdigit (colorname[len - 1])) |
| 1648 | { |
| 1649 | char *ptr, *approx = alloca (len); |
| 1650 | |
| 1651 | strcpy (approx, colorname); |
| 1652 | ptr = &approx[len - 1]; |
| 1653 | while (ptr > approx && isdigit (*ptr)) |
| 1654 | *ptr-- = '\0'; |
| 1655 | |
| 1656 | ret = w32_color_map_lookup (approx); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | UNBLOCK_INPUT; |
| 1661 | return ret; |
| 1662 | } |
| 1663 | |
| 1664 | |
| 1665 | void |
| 1666 | w32_regenerate_palette (FRAME_PTR f) |
| 1667 | { |
| 1668 | struct w32_palette_entry * list; |
| 1669 | LOGPALETTE * log_palette; |
| 1670 | HPALETTE new_palette; |
| 1671 | int i; |
| 1672 | |
| 1673 | /* don't bother trying to create palette if not supported */ |
| 1674 | if (! FRAME_W32_DISPLAY_INFO (f)->has_palette) |
| 1675 | return; |
| 1676 | |
| 1677 | log_palette = (LOGPALETTE *) |
| 1678 | alloca (sizeof (LOGPALETTE) + |
| 1679 | FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY)); |
| 1680 | log_palette->palVersion = 0x300; |
| 1681 | log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors; |
| 1682 | |
| 1683 | list = FRAME_W32_DISPLAY_INFO (f)->color_list; |
| 1684 | for (i = 0; |
| 1685 | i < FRAME_W32_DISPLAY_INFO (f)->num_colors; |
| 1686 | i++, list = list->next) |
| 1687 | log_palette->palPalEntry[i] = list->entry; |
| 1688 | |
| 1689 | new_palette = CreatePalette (log_palette); |
| 1690 | |
| 1691 | enter_crit (); |
| 1692 | |
| 1693 | if (FRAME_W32_DISPLAY_INFO (f)->palette) |
| 1694 | DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette); |
| 1695 | FRAME_W32_DISPLAY_INFO (f)->palette = new_palette; |
| 1696 | |
| 1697 | /* Realize display palette and garbage all frames. */ |
| 1698 | release_frame_dc (f, get_frame_dc (f)); |
| 1699 | |
| 1700 | leave_crit (); |
| 1701 | } |
| 1702 | |
| 1703 | #define W32_COLOR(pe) RGB (pe.peRed, pe.peGreen, pe.peBlue) |
| 1704 | #define SET_W32_COLOR(pe, color) \ |
| 1705 | do \ |
| 1706 | { \ |
| 1707 | pe.peRed = GetRValue (color); \ |
| 1708 | pe.peGreen = GetGValue (color); \ |
| 1709 | pe.peBlue = GetBValue (color); \ |
| 1710 | pe.peFlags = 0; \ |
| 1711 | } while (0) |
| 1712 | |
| 1713 | #if 0 |
| 1714 | /* Keep these around in case we ever want to track color usage. */ |
| 1715 | void |
| 1716 | w32_map_color (FRAME_PTR f, COLORREF color) |
| 1717 | { |
| 1718 | struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list; |
| 1719 | |
| 1720 | if (NILP (Vw32_enable_palette)) |
| 1721 | return; |
| 1722 | |
| 1723 | /* check if color is already mapped */ |
| 1724 | while (list) |
| 1725 | { |
| 1726 | if (W32_COLOR (list->entry) == color) |
| 1727 | { |
| 1728 | ++list->refcount; |
| 1729 | return; |
| 1730 | } |
| 1731 | list = list->next; |
| 1732 | } |
| 1733 | |
| 1734 | /* not already mapped, so add to list and recreate Windows palette */ |
| 1735 | list = (struct w32_palette_entry *) |
| 1736 | xmalloc (sizeof (struct w32_palette_entry)); |
| 1737 | SET_W32_COLOR (list->entry, color); |
| 1738 | list->refcount = 1; |
| 1739 | list->next = FRAME_W32_DISPLAY_INFO (f)->color_list; |
| 1740 | FRAME_W32_DISPLAY_INFO (f)->color_list = list; |
| 1741 | FRAME_W32_DISPLAY_INFO (f)->num_colors++; |
| 1742 | |
| 1743 | /* set flag that palette must be regenerated */ |
| 1744 | FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE; |
| 1745 | } |
| 1746 | |
| 1747 | void |
| 1748 | w32_unmap_color (FRAME_PTR f, COLORREF color) |
| 1749 | { |
| 1750 | struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list; |
| 1751 | struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list; |
| 1752 | |
| 1753 | if (NILP (Vw32_enable_palette)) |
| 1754 | return; |
| 1755 | |
| 1756 | /* check if color is already mapped */ |
| 1757 | while (list) |
| 1758 | { |
| 1759 | if (W32_COLOR (list->entry) == color) |
| 1760 | { |
| 1761 | if (--list->refcount == 0) |
| 1762 | { |
| 1763 | *prev = list->next; |
| 1764 | xfree (list); |
| 1765 | FRAME_W32_DISPLAY_INFO (f)->num_colors--; |
| 1766 | break; |
| 1767 | } |
| 1768 | else |
| 1769 | return; |
| 1770 | } |
| 1771 | prev = &list->next; |
| 1772 | list = list->next; |
| 1773 | } |
| 1774 | |
| 1775 | /* set flag that palette must be regenerated */ |
| 1776 | FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE; |
| 1777 | } |
| 1778 | #endif |
| 1779 | |
| 1780 | |
| 1781 | /* Gamma-correct COLOR on frame F. */ |
| 1782 | |
| 1783 | void |
| 1784 | gamma_correct (f, color) |
| 1785 | struct frame *f; |
| 1786 | COLORREF *color; |
| 1787 | { |
| 1788 | if (f->gamma) |
| 1789 | { |
| 1790 | *color = PALETTERGB ( |
| 1791 | pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5, |
| 1792 | pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5, |
| 1793 | pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 0.5); |
| 1794 | } |
| 1795 | } |
| 1796 | |
| 1797 | |
| 1798 | /* Decide if color named COLOR is valid for the display associated with |
| 1799 | the selected frame; if so, return the rgb values in COLOR_DEF. |
| 1800 | If ALLOC is nonzero, allocate a new colormap cell. */ |
| 1801 | |
| 1802 | int |
| 1803 | w32_defined_color (f, color, color_def, alloc) |
| 1804 | FRAME_PTR f; |
| 1805 | char *color; |
| 1806 | XColor *color_def; |
| 1807 | int alloc; |
| 1808 | { |
| 1809 | register Lisp_Object tem; |
| 1810 | COLORREF w32_color_ref; |
| 1811 | |
| 1812 | tem = x_to_w32_color (color); |
| 1813 | |
| 1814 | if (!NILP (tem)) |
| 1815 | { |
| 1816 | if (f) |
| 1817 | { |
| 1818 | /* Apply gamma correction. */ |
| 1819 | w32_color_ref = XUINT (tem); |
| 1820 | gamma_correct (f, &w32_color_ref); |
| 1821 | XSETINT (tem, w32_color_ref); |
| 1822 | } |
| 1823 | |
| 1824 | /* Map this color to the palette if it is enabled. */ |
| 1825 | if (!NILP (Vw32_enable_palette)) |
| 1826 | { |
| 1827 | struct w32_palette_entry * entry = |
| 1828 | one_w32_display_info.color_list; |
| 1829 | struct w32_palette_entry ** prev = |
| 1830 | &one_w32_display_info.color_list; |
| 1831 | |
| 1832 | /* check if color is already mapped */ |
| 1833 | while (entry) |
| 1834 | { |
| 1835 | if (W32_COLOR (entry->entry) == XUINT (tem)) |
| 1836 | break; |
| 1837 | prev = &entry->next; |
| 1838 | entry = entry->next; |
| 1839 | } |
| 1840 | |
| 1841 | if (entry == NULL && alloc) |
| 1842 | { |
| 1843 | /* not already mapped, so add to list */ |
| 1844 | entry = (struct w32_palette_entry *) |
| 1845 | xmalloc (sizeof (struct w32_palette_entry)); |
| 1846 | SET_W32_COLOR (entry->entry, XUINT (tem)); |
| 1847 | entry->next = NULL; |
| 1848 | *prev = entry; |
| 1849 | one_w32_display_info.num_colors++; |
| 1850 | |
| 1851 | /* set flag that palette must be regenerated */ |
| 1852 | one_w32_display_info.regen_palette = TRUE; |
| 1853 | } |
| 1854 | } |
| 1855 | /* Ensure COLORREF value is snapped to nearest color in (default) |
| 1856 | palette by simulating the PALETTERGB macro. This works whether |
| 1857 | or not the display device has a palette. */ |
| 1858 | w32_color_ref = XUINT (tem) | 0x2000000; |
| 1859 | |
| 1860 | color_def->pixel = w32_color_ref; |
| 1861 | color_def->red = GetRValue (w32_color_ref); |
| 1862 | color_def->green = GetGValue (w32_color_ref); |
| 1863 | color_def->blue = GetBValue (w32_color_ref); |
| 1864 | |
| 1865 | return 1; |
| 1866 | } |
| 1867 | else |
| 1868 | { |
| 1869 | return 0; |
| 1870 | } |
| 1871 | } |
| 1872 | |
| 1873 | /* Given a string ARG naming a color, compute a pixel value from it |
| 1874 | suitable for screen F. |
| 1875 | If F is not a color screen, return DEF (default) regardless of what |
| 1876 | ARG says. */ |
| 1877 | |
| 1878 | int |
| 1879 | x_decode_color (f, arg, def) |
| 1880 | FRAME_PTR f; |
| 1881 | Lisp_Object arg; |
| 1882 | int def; |
| 1883 | { |
| 1884 | XColor cdef; |
| 1885 | |
| 1886 | CHECK_STRING (arg, 0); |
| 1887 | |
| 1888 | if (strcmp (XSTRING (arg)->data, "black") == 0) |
| 1889 | return BLACK_PIX_DEFAULT (f); |
| 1890 | else if (strcmp (XSTRING (arg)->data, "white") == 0) |
| 1891 | return WHITE_PIX_DEFAULT (f); |
| 1892 | |
| 1893 | if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1) |
| 1894 | return def; |
| 1895 | |
| 1896 | /* w32_defined_color is responsible for coping with failures |
| 1897 | by looking for a near-miss. */ |
| 1898 | if (w32_defined_color (f, XSTRING (arg)->data, &cdef, 1)) |
| 1899 | return cdef.pixel; |
| 1900 | |
| 1901 | /* defined_color failed; return an ultimate default. */ |
| 1902 | return def; |
| 1903 | } |
| 1904 | \f |
| 1905 | /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is |
| 1906 | the previous value of that parameter, NEW_VALUE is the new value. */ |
| 1907 | |
| 1908 | static void |
| 1909 | x_set_line_spacing (f, new_value, old_value) |
| 1910 | struct frame *f; |
| 1911 | Lisp_Object new_value, old_value; |
| 1912 | { |
| 1913 | if (NILP (new_value)) |
| 1914 | f->extra_line_spacing = 0; |
| 1915 | else if (NATNUMP (new_value)) |
| 1916 | f->extra_line_spacing = XFASTINT (new_value); |
| 1917 | else |
| 1918 | Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"), |
| 1919 | Fcons (new_value, Qnil))); |
| 1920 | if (FRAME_VISIBLE_P (f)) |
| 1921 | redraw_frame (f); |
| 1922 | } |
| 1923 | |
| 1924 | |
| 1925 | /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is |
| 1926 | the previous value of that parameter, NEW_VALUE is the new value. */ |
| 1927 | |
| 1928 | static void |
| 1929 | x_set_screen_gamma (f, new_value, old_value) |
| 1930 | struct frame *f; |
| 1931 | Lisp_Object new_value, old_value; |
| 1932 | { |
| 1933 | if (NILP (new_value)) |
| 1934 | f->gamma = 0; |
| 1935 | else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0) |
| 1936 | /* The value 0.4545 is the normal viewing gamma. */ |
| 1937 | f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value)); |
| 1938 | else |
| 1939 | Fsignal (Qerror, Fcons (build_string ("Invalid screen-gamma"), |
| 1940 | Fcons (new_value, Qnil))); |
| 1941 | |
| 1942 | clear_face_cache (0); |
| 1943 | } |
| 1944 | |
| 1945 | |
| 1946 | /* Functions called only from `x_set_frame_param' |
| 1947 | to set individual parameters. |
| 1948 | |
| 1949 | If FRAME_W32_WINDOW (f) is 0, |
| 1950 | the frame is being created and its window does not exist yet. |
| 1951 | In that case, just record the parameter's new value |
| 1952 | in the standard place; do not attempt to change the window. */ |
| 1953 | |
| 1954 | void |
| 1955 | x_set_foreground_color (f, arg, oldval) |
| 1956 | struct frame *f; |
| 1957 | Lisp_Object arg, oldval; |
| 1958 | { |
| 1959 | FRAME_FOREGROUND_PIXEL (f) |
| 1960 | = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 1961 | |
| 1962 | if (FRAME_W32_WINDOW (f) != 0) |
| 1963 | { |
| 1964 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
| 1965 | if (FRAME_VISIBLE_P (f)) |
| 1966 | redraw_frame (f); |
| 1967 | } |
| 1968 | } |
| 1969 | |
| 1970 | void |
| 1971 | x_set_background_color (f, arg, oldval) |
| 1972 | struct frame *f; |
| 1973 | Lisp_Object arg, oldval; |
| 1974 | { |
| 1975 | FRAME_BACKGROUND_PIXEL (f) |
| 1976 | = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
| 1977 | |
| 1978 | if (FRAME_W32_WINDOW (f) != 0) |
| 1979 | { |
| 1980 | SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX, |
| 1981 | FRAME_BACKGROUND_PIXEL (f)); |
| 1982 | |
| 1983 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
| 1984 | |
| 1985 | if (FRAME_VISIBLE_P (f)) |
| 1986 | redraw_frame (f); |
| 1987 | } |
| 1988 | } |
| 1989 | |
| 1990 | void |
| 1991 | x_set_mouse_color (f, arg, oldval) |
| 1992 | struct frame *f; |
| 1993 | Lisp_Object arg, oldval; |
| 1994 | { |
| 1995 | Cursor cursor, nontext_cursor, mode_cursor, cross_cursor; |
| 1996 | int count; |
| 1997 | int mask_color; |
| 1998 | |
| 1999 | if (!EQ (Qnil, arg)) |
| 2000 | f->output_data.w32->mouse_pixel |
| 2001 | = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 2002 | mask_color = FRAME_BACKGROUND_PIXEL (f); |
| 2003 | |
| 2004 | /* Don't let pointers be invisible. */ |
| 2005 | if (mask_color == f->output_data.w32->mouse_pixel |
| 2006 | && mask_color == FRAME_BACKGROUND_PIXEL (f)) |
| 2007 | f->output_data.w32->mouse_pixel = FRAME_FOREGROUND_PIXEL (f); |
| 2008 | |
| 2009 | #if 0 /* TODO : cursor changes */ |
| 2010 | BLOCK_INPUT; |
| 2011 | |
| 2012 | /* It's not okay to crash if the user selects a screwy cursor. */ |
| 2013 | count = x_catch_errors (FRAME_W32_DISPLAY (f)); |
| 2014 | |
| 2015 | if (!EQ (Qnil, Vx_pointer_shape)) |
| 2016 | { |
| 2017 | CHECK_NUMBER (Vx_pointer_shape, 0); |
| 2018 | cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_pointer_shape)); |
| 2019 | } |
| 2020 | else |
| 2021 | cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm); |
| 2022 | x_check_errors (FRAME_W32_DISPLAY (f), "bad text pointer cursor: %s"); |
| 2023 | |
| 2024 | if (!EQ (Qnil, Vx_nontext_pointer_shape)) |
| 2025 | { |
| 2026 | CHECK_NUMBER (Vx_nontext_pointer_shape, 0); |
| 2027 | nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), |
| 2028 | XINT (Vx_nontext_pointer_shape)); |
| 2029 | } |
| 2030 | else |
| 2031 | nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr); |
| 2032 | x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s"); |
| 2033 | |
| 2034 | if (!EQ (Qnil, Vx_busy_pointer_shape)) |
| 2035 | { |
| 2036 | CHECK_NUMBER (Vx_busy_pointer_shape, 0); |
| 2037 | busy_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), |
| 2038 | XINT (Vx_busy_pointer_shape)); |
| 2039 | } |
| 2040 | else |
| 2041 | busy_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch); |
| 2042 | x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s"); |
| 2043 | |
| 2044 | x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s"); |
| 2045 | if (!EQ (Qnil, Vx_mode_pointer_shape)) |
| 2046 | { |
| 2047 | CHECK_NUMBER (Vx_mode_pointer_shape, 0); |
| 2048 | mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), |
| 2049 | XINT (Vx_mode_pointer_shape)); |
| 2050 | } |
| 2051 | else |
| 2052 | mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm); |
| 2053 | x_check_errors (FRAME_W32_DISPLAY (f), "bad modeline pointer cursor: %s"); |
| 2054 | |
| 2055 | if (!EQ (Qnil, Vx_sensitive_text_pointer_shape)) |
| 2056 | { |
| 2057 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0); |
| 2058 | cross_cursor |
| 2059 | = XCreateFontCursor (FRAME_W32_DISPLAY (f), |
| 2060 | XINT (Vx_sensitive_text_pointer_shape)); |
| 2061 | } |
| 2062 | else |
| 2063 | cross_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair); |
| 2064 | |
| 2065 | if (!NILP (Vx_window_horizontal_drag_shape)) |
| 2066 | { |
| 2067 | CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0); |
| 2068 | horizontal_drag_cursor |
| 2069 | = XCreateFontCursor (FRAME_X_DISPLAY (f), |
| 2070 | XINT (Vx_window_horizontal_drag_shape)); |
| 2071 | } |
| 2072 | else |
| 2073 | horizontal_drag_cursor |
| 2074 | = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow); |
| 2075 | |
| 2076 | /* Check and report errors with the above calls. */ |
| 2077 | x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s"); |
| 2078 | x_uncatch_errors (FRAME_W32_DISPLAY (f), count); |
| 2079 | |
| 2080 | { |
| 2081 | XColor fore_color, back_color; |
| 2082 | |
| 2083 | fore_color.pixel = f->output_data.w32->mouse_pixel; |
| 2084 | back_color.pixel = mask_color; |
| 2085 | XQueryColor (FRAME_W32_DISPLAY (f), |
| 2086 | DefaultColormap (FRAME_W32_DISPLAY (f), |
| 2087 | DefaultScreen (FRAME_W32_DISPLAY (f))), |
| 2088 | &fore_color); |
| 2089 | XQueryColor (FRAME_W32_DISPLAY (f), |
| 2090 | DefaultColormap (FRAME_W32_DISPLAY (f), |
| 2091 | DefaultScreen (FRAME_W32_DISPLAY (f))), |
| 2092 | &back_color); |
| 2093 | XRecolorCursor (FRAME_W32_DISPLAY (f), cursor, |
| 2094 | &fore_color, &back_color); |
| 2095 | XRecolorCursor (FRAME_W32_DISPLAY (f), nontext_cursor, |
| 2096 | &fore_color, &back_color); |
| 2097 | XRecolorCursor (FRAME_W32_DISPLAY (f), mode_cursor, |
| 2098 | &fore_color, &back_color); |
| 2099 | XRecolorCursor (FRAME_W32_DISPLAY (f), cross_cursor, |
| 2100 | &fore_color, &back_color); |
| 2101 | XRecolorCursor (FRAME_W32_DISPLAY (f), busy_cursor, |
| 2102 | &fore_color, &back_color); |
| 2103 | } |
| 2104 | |
| 2105 | if (FRAME_W32_WINDOW (f) != 0) |
| 2106 | XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor); |
| 2107 | |
| 2108 | if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0) |
| 2109 | XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor); |
| 2110 | f->output_data.w32->text_cursor = cursor; |
| 2111 | |
| 2112 | if (nontext_cursor != f->output_data.w32->nontext_cursor |
| 2113 | && f->output_data.w32->nontext_cursor != 0) |
| 2114 | XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor); |
| 2115 | f->output_data.w32->nontext_cursor = nontext_cursor; |
| 2116 | |
| 2117 | if (busy_cursor != f->output_data.w32->busy_cursor |
| 2118 | && f->output_data.w32->busy_cursor != 0) |
| 2119 | XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->busy_cursor); |
| 2120 | f->output_data.w32->busy_cursor = busy_cursor; |
| 2121 | |
| 2122 | if (mode_cursor != f->output_data.w32->modeline_cursor |
| 2123 | && f->output_data.w32->modeline_cursor != 0) |
| 2124 | XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor); |
| 2125 | f->output_data.w32->modeline_cursor = mode_cursor; |
| 2126 | |
| 2127 | if (cross_cursor != f->output_data.w32->cross_cursor |
| 2128 | && f->output_data.w32->cross_cursor != 0) |
| 2129 | XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->cross_cursor); |
| 2130 | f->output_data.w32->cross_cursor = cross_cursor; |
| 2131 | |
| 2132 | XFlush (FRAME_W32_DISPLAY (f)); |
| 2133 | UNBLOCK_INPUT; |
| 2134 | |
| 2135 | update_face_from_frame_parameter (f, Qmouse_color, arg); |
| 2136 | #endif /* TODO */ |
| 2137 | } |
| 2138 | |
| 2139 | /* Defined in w32term.c. */ |
| 2140 | void x_update_cursor (struct frame *f, int on_p); |
| 2141 | |
| 2142 | void |
| 2143 | x_set_cursor_color (f, arg, oldval) |
| 2144 | struct frame *f; |
| 2145 | Lisp_Object arg, oldval; |
| 2146 | { |
| 2147 | unsigned long fore_pixel, pixel; |
| 2148 | |
| 2149 | if (!NILP (Vx_cursor_fore_pixel)) |
| 2150 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, |
| 2151 | WHITE_PIX_DEFAULT (f)); |
| 2152 | else |
| 2153 | fore_pixel = FRAME_BACKGROUND_PIXEL (f); |
| 2154 | |
| 2155 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 2156 | |
| 2157 | /* Make sure that the cursor color differs from the background color. */ |
| 2158 | if (pixel == FRAME_BACKGROUND_PIXEL (f)) |
| 2159 | { |
| 2160 | pixel = f->output_data.w32->mouse_pixel; |
| 2161 | if (pixel == fore_pixel) |
| 2162 | fore_pixel = FRAME_BACKGROUND_PIXEL (f); |
| 2163 | } |
| 2164 | |
| 2165 | FRAME_FOREGROUND_PIXEL (f) = fore_pixel; |
| 2166 | f->output_data.w32->cursor_pixel = pixel; |
| 2167 | |
| 2168 | if (FRAME_W32_WINDOW (f) != 0) |
| 2169 | { |
| 2170 | if (FRAME_VISIBLE_P (f)) |
| 2171 | { |
| 2172 | x_update_cursor (f, 0); |
| 2173 | x_update_cursor (f, 1); |
| 2174 | } |
| 2175 | } |
| 2176 | |
| 2177 | update_face_from_frame_parameter (f, Qcursor_color, arg); |
| 2178 | } |
| 2179 | |
| 2180 | /* Set the border-color of frame F to pixel value PIX. |
| 2181 | Note that this does not fully take effect if done before |
| 2182 | F has an window. */ |
| 2183 | void |
| 2184 | x_set_border_pixel (f, pix) |
| 2185 | struct frame *f; |
| 2186 | int pix; |
| 2187 | { |
| 2188 | f->output_data.w32->border_pixel = pix; |
| 2189 | |
| 2190 | if (FRAME_W32_WINDOW (f) != 0 && f->output_data.w32->border_width > 0) |
| 2191 | { |
| 2192 | if (FRAME_VISIBLE_P (f)) |
| 2193 | redraw_frame (f); |
| 2194 | } |
| 2195 | } |
| 2196 | |
| 2197 | /* Set the border-color of frame F to value described by ARG. |
| 2198 | ARG can be a string naming a color. |
| 2199 | The border-color is used for the border that is drawn by the server. |
| 2200 | Note that this does not fully take effect if done before |
| 2201 | F has a window; it must be redone when the window is created. */ |
| 2202 | |
| 2203 | void |
| 2204 | x_set_border_color (f, arg, oldval) |
| 2205 | struct frame *f; |
| 2206 | Lisp_Object arg, oldval; |
| 2207 | { |
| 2208 | int pix; |
| 2209 | |
| 2210 | CHECK_STRING (arg, 0); |
| 2211 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 2212 | x_set_border_pixel (f, pix); |
| 2213 | update_face_from_frame_parameter (f, Qborder_color, arg); |
| 2214 | } |
| 2215 | |
| 2216 | /* Value is the internal representation of the specified cursor type |
| 2217 | ARG. If type is BAR_CURSOR, return in *WIDTH the specified width |
| 2218 | of the bar cursor. */ |
| 2219 | |
| 2220 | enum text_cursor_kinds |
| 2221 | x_specified_cursor_type (arg, width) |
| 2222 | Lisp_Object arg; |
| 2223 | int *width; |
| 2224 | { |
| 2225 | enum text_cursor_kinds type; |
| 2226 | |
| 2227 | if (EQ (arg, Qbar)) |
| 2228 | { |
| 2229 | type = BAR_CURSOR; |
| 2230 | *width = 2; |
| 2231 | } |
| 2232 | else if (CONSP (arg) |
| 2233 | && EQ (XCAR (arg), Qbar) |
| 2234 | && INTEGERP (XCDR (arg)) |
| 2235 | && XINT (XCDR (arg)) >= 0) |
| 2236 | { |
| 2237 | type = BAR_CURSOR; |
| 2238 | *width = XINT (XCDR (arg)); |
| 2239 | } |
| 2240 | else if (NILP (arg)) |
| 2241 | type = NO_CURSOR; |
| 2242 | else |
| 2243 | /* Treat anything unknown as "box cursor". |
| 2244 | It was bad to signal an error; people have trouble fixing |
| 2245 | .Xdefaults with Emacs, when it has something bad in it. */ |
| 2246 | type = FILLED_BOX_CURSOR; |
| 2247 | |
| 2248 | return type; |
| 2249 | } |
| 2250 | |
| 2251 | void |
| 2252 | x_set_cursor_type (f, arg, oldval) |
| 2253 | FRAME_PTR f; |
| 2254 | Lisp_Object arg, oldval; |
| 2255 | { |
| 2256 | int width; |
| 2257 | |
| 2258 | FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width); |
| 2259 | f->output_data.w32->cursor_width = width; |
| 2260 | |
| 2261 | /* Make sure the cursor gets redrawn. This is overkill, but how |
| 2262 | often do people change cursor types? */ |
| 2263 | update_mode_lines++; |
| 2264 | } |
| 2265 | \f |
| 2266 | void |
| 2267 | x_set_icon_type (f, arg, oldval) |
| 2268 | struct frame *f; |
| 2269 | Lisp_Object arg, oldval; |
| 2270 | { |
| 2271 | int result; |
| 2272 | |
| 2273 | if (NILP (arg) && NILP (oldval)) |
| 2274 | return; |
| 2275 | |
| 2276 | if (STRINGP (arg) && STRINGP (oldval) |
| 2277 | && EQ (Fstring_equal (oldval, arg), Qt)) |
| 2278 | return; |
| 2279 | |
| 2280 | if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval)) |
| 2281 | return; |
| 2282 | |
| 2283 | BLOCK_INPUT; |
| 2284 | |
| 2285 | result = x_bitmap_icon (f, arg); |
| 2286 | if (result) |
| 2287 | { |
| 2288 | UNBLOCK_INPUT; |
| 2289 | error ("No icon window available"); |
| 2290 | } |
| 2291 | |
| 2292 | UNBLOCK_INPUT; |
| 2293 | } |
| 2294 | |
| 2295 | /* Return non-nil if frame F wants a bitmap icon. */ |
| 2296 | |
| 2297 | Lisp_Object |
| 2298 | x_icon_type (f) |
| 2299 | FRAME_PTR f; |
| 2300 | { |
| 2301 | Lisp_Object tem; |
| 2302 | |
| 2303 | tem = assq_no_quit (Qicon_type, f->param_alist); |
| 2304 | if (CONSP (tem)) |
| 2305 | return XCDR (tem); |
| 2306 | else |
| 2307 | return Qnil; |
| 2308 | } |
| 2309 | |
| 2310 | void |
| 2311 | x_set_icon_name (f, arg, oldval) |
| 2312 | struct frame *f; |
| 2313 | Lisp_Object arg, oldval; |
| 2314 | { |
| 2315 | if (STRINGP (arg)) |
| 2316 | { |
| 2317 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) |
| 2318 | return; |
| 2319 | } |
| 2320 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) |
| 2321 | return; |
| 2322 | |
| 2323 | f->icon_name = arg; |
| 2324 | |
| 2325 | #if 0 |
| 2326 | if (f->output_data.w32->icon_bitmap != 0) |
| 2327 | return; |
| 2328 | |
| 2329 | BLOCK_INPUT; |
| 2330 | |
| 2331 | result = x_text_icon (f, |
| 2332 | (char *) XSTRING ((!NILP (f->icon_name) |
| 2333 | ? f->icon_name |
| 2334 | : !NILP (f->title) |
| 2335 | ? f->title |
| 2336 | : f->name))->data); |
| 2337 | |
| 2338 | if (result) |
| 2339 | { |
| 2340 | UNBLOCK_INPUT; |
| 2341 | error ("No icon window available"); |
| 2342 | } |
| 2343 | |
| 2344 | /* If the window was unmapped (and its icon was mapped), |
| 2345 | the new icon is not mapped, so map the window in its stead. */ |
| 2346 | if (FRAME_VISIBLE_P (f)) |
| 2347 | { |
| 2348 | #ifdef USE_X_TOOLKIT |
| 2349 | XtPopup (f->output_data.w32->widget, XtGrabNone); |
| 2350 | #endif |
| 2351 | XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f)); |
| 2352 | } |
| 2353 | |
| 2354 | XFlush (FRAME_W32_DISPLAY (f)); |
| 2355 | UNBLOCK_INPUT; |
| 2356 | #endif |
| 2357 | } |
| 2358 | |
| 2359 | extern Lisp_Object x_new_font (); |
| 2360 | extern Lisp_Object x_new_fontset(); |
| 2361 | |
| 2362 | void |
| 2363 | x_set_font (f, arg, oldval) |
| 2364 | struct frame *f; |
| 2365 | Lisp_Object arg, oldval; |
| 2366 | { |
| 2367 | Lisp_Object result; |
| 2368 | Lisp_Object fontset_name; |
| 2369 | Lisp_Object frame; |
| 2370 | |
| 2371 | CHECK_STRING (arg, 1); |
| 2372 | |
| 2373 | fontset_name = Fquery_fontset (arg, Qnil); |
| 2374 | |
| 2375 | BLOCK_INPUT; |
| 2376 | result = (STRINGP (fontset_name) |
| 2377 | ? x_new_fontset (f, XSTRING (fontset_name)->data) |
| 2378 | : x_new_font (f, XSTRING (arg)->data)); |
| 2379 | UNBLOCK_INPUT; |
| 2380 | |
| 2381 | if (EQ (result, Qnil)) |
| 2382 | error ("Font `%s' is not defined", XSTRING (arg)->data); |
| 2383 | else if (EQ (result, Qt)) |
| 2384 | error ("The characters of the given font have varying widths"); |
| 2385 | else if (STRINGP (result)) |
| 2386 | { |
| 2387 | if (!NILP (Fequal (result, oldval))) |
| 2388 | return; |
| 2389 | store_frame_param (f, Qfont, result); |
| 2390 | recompute_basic_faces (f); |
| 2391 | } |
| 2392 | else |
| 2393 | abort (); |
| 2394 | |
| 2395 | do_pending_window_change (0); |
| 2396 | |
| 2397 | /* Don't call `face-set-after-frame-default' when faces haven't been |
| 2398 | initialized yet. This is the case when called from |
| 2399 | Fx_create_frame. In that case, the X widget or window doesn't |
| 2400 | exist either, and we can end up in x_report_frame_params with a |
| 2401 | null widget which gives a segfault. */ |
| 2402 | if (FRAME_FACE_CACHE (f)) |
| 2403 | { |
| 2404 | XSETFRAME (frame, f); |
| 2405 | call1 (Qface_set_after_frame_default, frame); |
| 2406 | } |
| 2407 | } |
| 2408 | |
| 2409 | void |
| 2410 | x_set_border_width (f, arg, oldval) |
| 2411 | struct frame *f; |
| 2412 | Lisp_Object arg, oldval; |
| 2413 | { |
| 2414 | CHECK_NUMBER (arg, 0); |
| 2415 | |
| 2416 | if (XINT (arg) == f->output_data.w32->border_width) |
| 2417 | return; |
| 2418 | |
| 2419 | if (FRAME_W32_WINDOW (f) != 0) |
| 2420 | error ("Cannot change the border width of a window"); |
| 2421 | |
| 2422 | f->output_data.w32->border_width = XINT (arg); |
| 2423 | } |
| 2424 | |
| 2425 | void |
| 2426 | x_set_internal_border_width (f, arg, oldval) |
| 2427 | struct frame *f; |
| 2428 | Lisp_Object arg, oldval; |
| 2429 | { |
| 2430 | int old = f->output_data.w32->internal_border_width; |
| 2431 | |
| 2432 | CHECK_NUMBER (arg, 0); |
| 2433 | f->output_data.w32->internal_border_width = XINT (arg); |
| 2434 | if (f->output_data.w32->internal_border_width < 0) |
| 2435 | f->output_data.w32->internal_border_width = 0; |
| 2436 | |
| 2437 | if (f->output_data.w32->internal_border_width == old) |
| 2438 | return; |
| 2439 | |
| 2440 | if (FRAME_W32_WINDOW (f) != 0) |
| 2441 | { |
| 2442 | x_set_window_size (f, 0, f->width, f->height); |
| 2443 | SET_FRAME_GARBAGED (f); |
| 2444 | do_pending_window_change (0); |
| 2445 | } |
| 2446 | } |
| 2447 | |
| 2448 | void |
| 2449 | x_set_visibility (f, value, oldval) |
| 2450 | struct frame *f; |
| 2451 | Lisp_Object value, oldval; |
| 2452 | { |
| 2453 | Lisp_Object frame; |
| 2454 | XSETFRAME (frame, f); |
| 2455 | |
| 2456 | if (NILP (value)) |
| 2457 | Fmake_frame_invisible (frame, Qt); |
| 2458 | else if (EQ (value, Qicon)) |
| 2459 | Ficonify_frame (frame); |
| 2460 | else |
| 2461 | Fmake_frame_visible (frame); |
| 2462 | } |
| 2463 | |
| 2464 | \f |
| 2465 | /* Change window heights in windows rooted in WINDOW by N lines. */ |
| 2466 | |
| 2467 | static void |
| 2468 | x_change_window_heights (window, n) |
| 2469 | Lisp_Object window; |
| 2470 | int n; |
| 2471 | { |
| 2472 | struct window *w = XWINDOW (window); |
| 2473 | |
| 2474 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
| 2475 | XSETFASTINT (w->height, XFASTINT (w->height) - n); |
| 2476 | |
| 2477 | if (INTEGERP (w->orig_top)) |
| 2478 | XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n); |
| 2479 | if (INTEGERP (w->orig_height)) |
| 2480 | XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n); |
| 2481 | |
| 2482 | /* Handle just the top child in a vertical split. */ |
| 2483 | if (!NILP (w->vchild)) |
| 2484 | x_change_window_heights (w->vchild, n); |
| 2485 | |
| 2486 | /* Adjust all children in a horizontal split. */ |
| 2487 | for (window = w->hchild; !NILP (window); window = w->next) |
| 2488 | { |
| 2489 | w = XWINDOW (window); |
| 2490 | x_change_window_heights (window, n); |
| 2491 | } |
| 2492 | } |
| 2493 | |
| 2494 | void |
| 2495 | x_set_menu_bar_lines (f, value, oldval) |
| 2496 | struct frame *f; |
| 2497 | Lisp_Object value, oldval; |
| 2498 | { |
| 2499 | int nlines; |
| 2500 | int olines = FRAME_MENU_BAR_LINES (f); |
| 2501 | |
| 2502 | /* Right now, menu bars don't work properly in minibuf-only frames; |
| 2503 | most of the commands try to apply themselves to the minibuffer |
| 2504 | frame itself, and get an error because you can't switch buffers |
| 2505 | in or split the minibuffer window. */ |
| 2506 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 2507 | return; |
| 2508 | |
| 2509 | if (INTEGERP (value)) |
| 2510 | nlines = XINT (value); |
| 2511 | else |
| 2512 | nlines = 0; |
| 2513 | |
| 2514 | FRAME_MENU_BAR_LINES (f) = 0; |
| 2515 | if (nlines) |
| 2516 | FRAME_EXTERNAL_MENU_BAR (f) = 1; |
| 2517 | else |
| 2518 | { |
| 2519 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
| 2520 | free_frame_menubar (f); |
| 2521 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
| 2522 | |
| 2523 | /* Adjust the frame size so that the client (text) dimensions |
| 2524 | remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being |
| 2525 | set correctly. */ |
| 2526 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2527 | do_pending_window_change (0); |
| 2528 | } |
| 2529 | adjust_glyphs (f); |
| 2530 | } |
| 2531 | |
| 2532 | |
| 2533 | /* Set the number of lines used for the tool bar of frame F to VALUE. |
| 2534 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL |
| 2535 | is the old number of tool bar lines. This function changes the |
| 2536 | height of all windows on frame F to match the new tool bar height. |
| 2537 | The frame's height doesn't change. */ |
| 2538 | |
| 2539 | void |
| 2540 | x_set_tool_bar_lines (f, value, oldval) |
| 2541 | struct frame *f; |
| 2542 | Lisp_Object value, oldval; |
| 2543 | { |
| 2544 | int delta, nlines, root_height; |
| 2545 | Lisp_Object root_window; |
| 2546 | |
| 2547 | /* Treat tool bars like menu bars. */ |
| 2548 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 2549 | return; |
| 2550 | |
| 2551 | /* Use VALUE only if an integer >= 0. */ |
| 2552 | if (INTEGERP (value) && XINT (value) >= 0) |
| 2553 | nlines = XFASTINT (value); |
| 2554 | else |
| 2555 | nlines = 0; |
| 2556 | |
| 2557 | /* Make sure we redisplay all windows in this frame. */ |
| 2558 | ++windows_or_buffers_changed; |
| 2559 | |
| 2560 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
| 2561 | |
| 2562 | /* Don't resize the tool-bar to more than we have room for. */ |
| 2563 | root_window = FRAME_ROOT_WINDOW (f); |
| 2564 | root_height = XINT (XWINDOW (root_window)->height); |
| 2565 | if (root_height - delta < 1) |
| 2566 | { |
| 2567 | delta = root_height - 1; |
| 2568 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; |
| 2569 | } |
| 2570 | |
| 2571 | FRAME_TOOL_BAR_LINES (f) = nlines; |
| 2572 | x_change_window_heights (root_window, delta); |
| 2573 | adjust_glyphs (f); |
| 2574 | |
| 2575 | /* We also have to make sure that the internal border at the top of |
| 2576 | the frame, below the menu bar or tool bar, is redrawn when the |
| 2577 | tool bar disappears. This is so because the internal border is |
| 2578 | below the tool bar if one is displayed, but is below the menu bar |
| 2579 | if there isn't a tool bar. The tool bar draws into the area |
| 2580 | below the menu bar. */ |
| 2581 | if (FRAME_W32_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) |
| 2582 | { |
| 2583 | updating_frame = f; |
| 2584 | clear_frame (); |
| 2585 | clear_current_matrices (f); |
| 2586 | updating_frame = NULL; |
| 2587 | } |
| 2588 | |
| 2589 | /* If the tool bar gets smaller, the internal border below it |
| 2590 | has to be cleared. It was formerly part of the display |
| 2591 | of the larger tool bar, and updating windows won't clear it. */ |
| 2592 | if (delta < 0) |
| 2593 | { |
| 2594 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); |
| 2595 | int width = PIXEL_WIDTH (f); |
| 2596 | int y = nlines * CANON_Y_UNIT (f); |
| 2597 | |
| 2598 | BLOCK_INPUT; |
| 2599 | { |
| 2600 | HDC hdc = get_frame_dc (f); |
| 2601 | w32_clear_area (f, hdc, 0, y, width, height); |
| 2602 | release_frame_dc (f, hdc); |
| 2603 | } |
| 2604 | UNBLOCK_INPUT; |
| 2605 | } |
| 2606 | } |
| 2607 | |
| 2608 | |
| 2609 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
| 2610 | w32_id_name. |
| 2611 | |
| 2612 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
| 2613 | name; if NAME is a string, set F's name to NAME and set |
| 2614 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. |
| 2615 | |
| 2616 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
| 2617 | suggesting a new name, which lisp code should override; if |
| 2618 | F->explicit_name is set, ignore the new name; otherwise, set it. */ |
| 2619 | |
| 2620 | void |
| 2621 | x_set_name (f, name, explicit) |
| 2622 | struct frame *f; |
| 2623 | Lisp_Object name; |
| 2624 | int explicit; |
| 2625 | { |
| 2626 | /* Make sure that requests from lisp code override requests from |
| 2627 | Emacs redisplay code. */ |
| 2628 | if (explicit) |
| 2629 | { |
| 2630 | /* If we're switching from explicit to implicit, we had better |
| 2631 | update the mode lines and thereby update the title. */ |
| 2632 | if (f->explicit_name && NILP (name)) |
| 2633 | update_mode_lines = 1; |
| 2634 | |
| 2635 | f->explicit_name = ! NILP (name); |
| 2636 | } |
| 2637 | else if (f->explicit_name) |
| 2638 | return; |
| 2639 | |
| 2640 | /* If NAME is nil, set the name to the w32_id_name. */ |
| 2641 | if (NILP (name)) |
| 2642 | { |
| 2643 | /* Check for no change needed in this very common case |
| 2644 | before we do any consing. */ |
| 2645 | if (!strcmp (FRAME_W32_DISPLAY_INFO (f)->w32_id_name, |
| 2646 | XSTRING (f->name)->data)) |
| 2647 | return; |
| 2648 | name = build_string (FRAME_W32_DISPLAY_INFO (f)->w32_id_name); |
| 2649 | } |
| 2650 | else |
| 2651 | CHECK_STRING (name, 0); |
| 2652 | |
| 2653 | /* Don't change the name if it's already NAME. */ |
| 2654 | if (! NILP (Fstring_equal (name, f->name))) |
| 2655 | return; |
| 2656 | |
| 2657 | f->name = name; |
| 2658 | |
| 2659 | /* For setting the frame title, the title parameter should override |
| 2660 | the name parameter. */ |
| 2661 | if (! NILP (f->title)) |
| 2662 | name = f->title; |
| 2663 | |
| 2664 | if (FRAME_W32_WINDOW (f)) |
| 2665 | { |
| 2666 | if (STRING_MULTIBYTE (name)) |
| 2667 | name = ENCODE_SYSTEM (name); |
| 2668 | |
| 2669 | BLOCK_INPUT; |
| 2670 | SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data); |
| 2671 | UNBLOCK_INPUT; |
| 2672 | } |
| 2673 | } |
| 2674 | |
| 2675 | /* This function should be called when the user's lisp code has |
| 2676 | specified a name for the frame; the name will override any set by the |
| 2677 | redisplay code. */ |
| 2678 | void |
| 2679 | x_explicitly_set_name (f, arg, oldval) |
| 2680 | FRAME_PTR f; |
| 2681 | Lisp_Object arg, oldval; |
| 2682 | { |
| 2683 | x_set_name (f, arg, 1); |
| 2684 | } |
| 2685 | |
| 2686 | /* This function should be called by Emacs redisplay code to set the |
| 2687 | name; names set this way will never override names set by the user's |
| 2688 | lisp code. */ |
| 2689 | void |
| 2690 | x_implicitly_set_name (f, arg, oldval) |
| 2691 | FRAME_PTR f; |
| 2692 | Lisp_Object arg, oldval; |
| 2693 | { |
| 2694 | x_set_name (f, arg, 0); |
| 2695 | } |
| 2696 | \f |
| 2697 | /* Change the title of frame F to NAME. |
| 2698 | If NAME is nil, use the frame name as the title. |
| 2699 | |
| 2700 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
| 2701 | name; if NAME is a string, set F's name to NAME and set |
| 2702 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. |
| 2703 | |
| 2704 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
| 2705 | suggesting a new name, which lisp code should override; if |
| 2706 | F->explicit_name is set, ignore the new name; otherwise, set it. */ |
| 2707 | |
| 2708 | void |
| 2709 | x_set_title (f, name, old_name) |
| 2710 | struct frame *f; |
| 2711 | Lisp_Object name, old_name; |
| 2712 | { |
| 2713 | /* Don't change the title if it's already NAME. */ |
| 2714 | if (EQ (name, f->title)) |
| 2715 | return; |
| 2716 | |
| 2717 | update_mode_lines = 1; |
| 2718 | |
| 2719 | f->title = name; |
| 2720 | |
| 2721 | if (NILP (name)) |
| 2722 | name = f->name; |
| 2723 | |
| 2724 | if (FRAME_W32_WINDOW (f)) |
| 2725 | { |
| 2726 | if (STRING_MULTIBYTE (name)) |
| 2727 | name = ENCODE_SYSTEM (name); |
| 2728 | |
| 2729 | BLOCK_INPUT; |
| 2730 | SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data); |
| 2731 | UNBLOCK_INPUT; |
| 2732 | } |
| 2733 | } |
| 2734 | \f |
| 2735 | void |
| 2736 | x_set_autoraise (f, arg, oldval) |
| 2737 | struct frame *f; |
| 2738 | Lisp_Object arg, oldval; |
| 2739 | { |
| 2740 | f->auto_raise = !EQ (Qnil, arg); |
| 2741 | } |
| 2742 | |
| 2743 | void |
| 2744 | x_set_autolower (f, arg, oldval) |
| 2745 | struct frame *f; |
| 2746 | Lisp_Object arg, oldval; |
| 2747 | { |
| 2748 | f->auto_lower = !EQ (Qnil, arg); |
| 2749 | } |
| 2750 | |
| 2751 | void |
| 2752 | x_set_unsplittable (f, arg, oldval) |
| 2753 | struct frame *f; |
| 2754 | Lisp_Object arg, oldval; |
| 2755 | { |
| 2756 | f->no_split = !NILP (arg); |
| 2757 | } |
| 2758 | |
| 2759 | void |
| 2760 | x_set_vertical_scroll_bars (f, arg, oldval) |
| 2761 | struct frame *f; |
| 2762 | Lisp_Object arg, oldval; |
| 2763 | { |
| 2764 | if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
| 2765 | || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) |
| 2766 | || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
| 2767 | || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))) |
| 2768 | { |
| 2769 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = NILP (arg) ? |
| 2770 | vertical_scroll_bar_none : |
| 2771 | /* Put scroll bars on the right by default, as is conventional |
| 2772 | on MS-Windows. */ |
| 2773 | EQ (Qleft, arg) |
| 2774 | ? vertical_scroll_bar_left |
| 2775 | : vertical_scroll_bar_right; |
| 2776 | |
| 2777 | /* We set this parameter before creating the window for the |
| 2778 | frame, so we can get the geometry right from the start. |
| 2779 | However, if the window hasn't been created yet, we shouldn't |
| 2780 | call x_set_window_size. */ |
| 2781 | if (FRAME_W32_WINDOW (f)) |
| 2782 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2783 | do_pending_window_change (0); |
| 2784 | } |
| 2785 | } |
| 2786 | |
| 2787 | void |
| 2788 | x_set_scroll_bar_width (f, arg, oldval) |
| 2789 | struct frame *f; |
| 2790 | Lisp_Object arg, oldval; |
| 2791 | { |
| 2792 | int wid = FONT_WIDTH (f->output_data.w32->font); |
| 2793 | |
| 2794 | if (NILP (arg)) |
| 2795 | { |
| 2796 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL); |
| 2797 | FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) + |
| 2798 | wid - 1) / wid; |
| 2799 | if (FRAME_W32_WINDOW (f)) |
| 2800 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2801 | do_pending_window_change (0); |
| 2802 | } |
| 2803 | else if (INTEGERP (arg) && XINT (arg) > 0 |
| 2804 | && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f)) |
| 2805 | { |
| 2806 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg); |
| 2807 | FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 2808 | + wid-1) / wid; |
| 2809 | if (FRAME_W32_WINDOW (f)) |
| 2810 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2811 | do_pending_window_change (0); |
| 2812 | } |
| 2813 | change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0); |
| 2814 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0; |
| 2815 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0; |
| 2816 | } |
| 2817 | \f |
| 2818 | /* Subroutines of creating an frame. */ |
| 2819 | |
| 2820 | /* Make sure that Vx_resource_name is set to a reasonable value. |
| 2821 | Fix it up, or set it to `emacs' if it is too hopeless. */ |
| 2822 | |
| 2823 | static void |
| 2824 | validate_x_resource_name () |
| 2825 | { |
| 2826 | int len = 0; |
| 2827 | /* Number of valid characters in the resource name. */ |
| 2828 | int good_count = 0; |
| 2829 | /* Number of invalid characters in the resource name. */ |
| 2830 | int bad_count = 0; |
| 2831 | Lisp_Object new; |
| 2832 | int i; |
| 2833 | |
| 2834 | if (STRINGP (Vx_resource_name)) |
| 2835 | { |
| 2836 | unsigned char *p = XSTRING (Vx_resource_name)->data; |
| 2837 | int i; |
| 2838 | |
| 2839 | len = STRING_BYTES (XSTRING (Vx_resource_name)); |
| 2840 | |
| 2841 | /* Only letters, digits, - and _ are valid in resource names. |
| 2842 | Count the valid characters and count the invalid ones. */ |
| 2843 | for (i = 0; i < len; i++) |
| 2844 | { |
| 2845 | int c = p[i]; |
| 2846 | if (! ((c >= 'a' && c <= 'z') |
| 2847 | || (c >= 'A' && c <= 'Z') |
| 2848 | || (c >= '0' && c <= '9') |
| 2849 | || c == '-' || c == '_')) |
| 2850 | bad_count++; |
| 2851 | else |
| 2852 | good_count++; |
| 2853 | } |
| 2854 | } |
| 2855 | else |
| 2856 | /* Not a string => completely invalid. */ |
| 2857 | bad_count = 5, good_count = 0; |
| 2858 | |
| 2859 | /* If name is valid already, return. */ |
| 2860 | if (bad_count == 0) |
| 2861 | return; |
| 2862 | |
| 2863 | /* If name is entirely invalid, or nearly so, use `emacs'. */ |
| 2864 | if (good_count == 0 |
| 2865 | || (good_count == 1 && bad_count > 0)) |
| 2866 | { |
| 2867 | Vx_resource_name = build_string ("emacs"); |
| 2868 | return; |
| 2869 | } |
| 2870 | |
| 2871 | /* Name is partly valid. Copy it and replace the invalid characters |
| 2872 | with underscores. */ |
| 2873 | |
| 2874 | Vx_resource_name = new = Fcopy_sequence (Vx_resource_name); |
| 2875 | |
| 2876 | for (i = 0; i < len; i++) |
| 2877 | { |
| 2878 | int c = XSTRING (new)->data[i]; |
| 2879 | if (! ((c >= 'a' && c <= 'z') |
| 2880 | || (c >= 'A' && c <= 'Z') |
| 2881 | || (c >= '0' && c <= '9') |
| 2882 | || c == '-' || c == '_')) |
| 2883 | XSTRING (new)->data[i] = '_'; |
| 2884 | } |
| 2885 | } |
| 2886 | |
| 2887 | |
| 2888 | extern char *x_get_string_resource (); |
| 2889 | |
| 2890 | DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0, |
| 2891 | "Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.\n\ |
| 2892 | This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the\n\ |
| 2893 | class, where INSTANCE is the name under which Emacs was invoked, or\n\ |
| 2894 | the name specified by the `-name' or `-rn' command-line arguments.\n\ |
| 2895 | \n\ |
| 2896 | The optional arguments COMPONENT and SUBCLASS add to the key and the\n\ |
| 2897 | class, respectively. You must specify both of them or neither.\n\ |
| 2898 | If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'\n\ |
| 2899 | and the class is `Emacs.CLASS.SUBCLASS'.") |
| 2900 | (attribute, class, component, subclass) |
| 2901 | Lisp_Object attribute, class, component, subclass; |
| 2902 | { |
| 2903 | register char *value; |
| 2904 | char *name_key; |
| 2905 | char *class_key; |
| 2906 | |
| 2907 | CHECK_STRING (attribute, 0); |
| 2908 | CHECK_STRING (class, 0); |
| 2909 | |
| 2910 | if (!NILP (component)) |
| 2911 | CHECK_STRING (component, 1); |
| 2912 | if (!NILP (subclass)) |
| 2913 | CHECK_STRING (subclass, 2); |
| 2914 | if (NILP (component) != NILP (subclass)) |
| 2915 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); |
| 2916 | |
| 2917 | validate_x_resource_name (); |
| 2918 | |
| 2919 | /* Allocate space for the components, the dots which separate them, |
| 2920 | and the final '\0'. Make them big enough for the worst case. */ |
| 2921 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
| 2922 | + (STRINGP (component) |
| 2923 | ? STRING_BYTES (XSTRING (component)) : 0) |
| 2924 | + STRING_BYTES (XSTRING (attribute)) |
| 2925 | + 3); |
| 2926 | |
| 2927 | class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) |
| 2928 | + STRING_BYTES (XSTRING (class)) |
| 2929 | + (STRINGP (subclass) |
| 2930 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
| 2931 | + 3); |
| 2932 | |
| 2933 | /* Start with emacs.FRAMENAME for the name (the specific one) |
| 2934 | and with `Emacs' for the class key (the general one). */ |
| 2935 | strcpy (name_key, XSTRING (Vx_resource_name)->data); |
| 2936 | strcpy (class_key, EMACS_CLASS); |
| 2937 | |
| 2938 | strcat (class_key, "."); |
| 2939 | strcat (class_key, XSTRING (class)->data); |
| 2940 | |
| 2941 | if (!NILP (component)) |
| 2942 | { |
| 2943 | strcat (class_key, "."); |
| 2944 | strcat (class_key, XSTRING (subclass)->data); |
| 2945 | |
| 2946 | strcat (name_key, "."); |
| 2947 | strcat (name_key, XSTRING (component)->data); |
| 2948 | } |
| 2949 | |
| 2950 | strcat (name_key, "."); |
| 2951 | strcat (name_key, XSTRING (attribute)->data); |
| 2952 | |
| 2953 | value = x_get_string_resource (Qnil, |
| 2954 | name_key, class_key); |
| 2955 | |
| 2956 | if (value != (char *) 0) |
| 2957 | return build_string (value); |
| 2958 | else |
| 2959 | return Qnil; |
| 2960 | } |
| 2961 | |
| 2962 | /* Used when C code wants a resource value. */ |
| 2963 | |
| 2964 | char * |
| 2965 | x_get_resource_string (attribute, class) |
| 2966 | char *attribute, *class; |
| 2967 | { |
| 2968 | char *name_key; |
| 2969 | char *class_key; |
| 2970 | struct frame *sf = SELECTED_FRAME (); |
| 2971 | |
| 2972 | /* Allocate space for the components, the dots which separate them, |
| 2973 | and the final '\0'. */ |
| 2974 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name)) |
| 2975 | + strlen (attribute) + 2); |
| 2976 | class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) |
| 2977 | + strlen (class) + 2); |
| 2978 | |
| 2979 | sprintf (name_key, "%s.%s", |
| 2980 | XSTRING (Vinvocation_name)->data, |
| 2981 | attribute); |
| 2982 | sprintf (class_key, "%s.%s", EMACS_CLASS, class); |
| 2983 | |
| 2984 | return x_get_string_resource (sf, name_key, class_key); |
| 2985 | } |
| 2986 | |
| 2987 | /* Types we might convert a resource string into. */ |
| 2988 | enum resource_types |
| 2989 | { |
| 2990 | RES_TYPE_NUMBER, |
| 2991 | RES_TYPE_FLOAT, |
| 2992 | RES_TYPE_BOOLEAN, |
| 2993 | RES_TYPE_STRING, |
| 2994 | RES_TYPE_SYMBOL |
| 2995 | }; |
| 2996 | |
| 2997 | /* Return the value of parameter PARAM. |
| 2998 | |
| 2999 | First search ALIST, then Vdefault_frame_alist, then the X defaults |
| 3000 | database, using ATTRIBUTE as the attribute name and CLASS as its class. |
| 3001 | |
| 3002 | Convert the resource to the type specified by desired_type. |
| 3003 | |
| 3004 | If no default is specified, return Qunbound. If you call |
| 3005 | w32_get_arg, make sure you deal with Qunbound in a reasonable way, |
| 3006 | and don't let it get stored in any Lisp-visible variables! */ |
| 3007 | |
| 3008 | static Lisp_Object |
| 3009 | w32_get_arg (alist, param, attribute, class, type) |
| 3010 | Lisp_Object alist, param; |
| 3011 | char *attribute; |
| 3012 | char *class; |
| 3013 | enum resource_types type; |
| 3014 | { |
| 3015 | register Lisp_Object tem; |
| 3016 | |
| 3017 | tem = Fassq (param, alist); |
| 3018 | if (EQ (tem, Qnil)) |
| 3019 | tem = Fassq (param, Vdefault_frame_alist); |
| 3020 | if (EQ (tem, Qnil)) |
| 3021 | { |
| 3022 | |
| 3023 | if (attribute) |
| 3024 | { |
| 3025 | tem = Fx_get_resource (build_string (attribute), |
| 3026 | build_string (class), |
| 3027 | Qnil, Qnil); |
| 3028 | |
| 3029 | if (NILP (tem)) |
| 3030 | return Qunbound; |
| 3031 | |
| 3032 | switch (type) |
| 3033 | { |
| 3034 | case RES_TYPE_NUMBER: |
| 3035 | return make_number (atoi (XSTRING (tem)->data)); |
| 3036 | |
| 3037 | case RES_TYPE_FLOAT: |
| 3038 | return make_float (atof (XSTRING (tem)->data)); |
| 3039 | |
| 3040 | case RES_TYPE_BOOLEAN: |
| 3041 | tem = Fdowncase (tem); |
| 3042 | if (!strcmp (XSTRING (tem)->data, "on") |
| 3043 | || !strcmp (XSTRING (tem)->data, "true")) |
| 3044 | return Qt; |
| 3045 | else |
| 3046 | return Qnil; |
| 3047 | |
| 3048 | case RES_TYPE_STRING: |
| 3049 | return tem; |
| 3050 | |
| 3051 | case RES_TYPE_SYMBOL: |
| 3052 | /* As a special case, we map the values `true' and `on' |
| 3053 | to Qt, and `false' and `off' to Qnil. */ |
| 3054 | { |
| 3055 | Lisp_Object lower; |
| 3056 | lower = Fdowncase (tem); |
| 3057 | if (!strcmp (XSTRING (lower)->data, "on") |
| 3058 | || !strcmp (XSTRING (lower)->data, "true")) |
| 3059 | return Qt; |
| 3060 | else if (!strcmp (XSTRING (lower)->data, "off") |
| 3061 | || !strcmp (XSTRING (lower)->data, "false")) |
| 3062 | return Qnil; |
| 3063 | else |
| 3064 | return Fintern (tem, Qnil); |
| 3065 | } |
| 3066 | |
| 3067 | default: |
| 3068 | abort (); |
| 3069 | } |
| 3070 | } |
| 3071 | else |
| 3072 | return Qunbound; |
| 3073 | } |
| 3074 | return Fcdr (tem); |
| 3075 | } |
| 3076 | |
| 3077 | /* Record in frame F the specified or default value according to ALIST |
| 3078 | of the parameter named PROP (a Lisp symbol). |
| 3079 | If no value is specified for PROP, look for an X default for XPROP |
| 3080 | on the frame named NAME. |
| 3081 | If that is not found either, use the value DEFLT. */ |
| 3082 | |
| 3083 | static Lisp_Object |
| 3084 | x_default_parameter (f, alist, prop, deflt, xprop, xclass, type) |
| 3085 | struct frame *f; |
| 3086 | Lisp_Object alist; |
| 3087 | Lisp_Object prop; |
| 3088 | Lisp_Object deflt; |
| 3089 | char *xprop; |
| 3090 | char *xclass; |
| 3091 | enum resource_types type; |
| 3092 | { |
| 3093 | Lisp_Object tem; |
| 3094 | |
| 3095 | tem = w32_get_arg (alist, prop, xprop, xclass, type); |
| 3096 | if (EQ (tem, Qunbound)) |
| 3097 | tem = deflt; |
| 3098 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); |
| 3099 | return tem; |
| 3100 | } |
| 3101 | \f |
| 3102 | DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0, |
| 3103 | "Parse an X-style geometry string STRING.\n\ |
| 3104 | Returns an alist of the form ((top . TOP), (left . LEFT) ... ).\n\ |
| 3105 | The properties returned may include `top', `left', `height', and `width'.\n\ |
| 3106 | The value of `left' or `top' may be an integer,\n\ |
| 3107 | or a list (+ N) meaning N pixels relative to top/left corner,\n\ |
| 3108 | or a list (- N) meaning -N pixels relative to bottom/right corner.") |
| 3109 | (string) |
| 3110 | Lisp_Object string; |
| 3111 | { |
| 3112 | int geometry, x, y; |
| 3113 | unsigned int width, height; |
| 3114 | Lisp_Object result; |
| 3115 | |
| 3116 | CHECK_STRING (string, 0); |
| 3117 | |
| 3118 | geometry = XParseGeometry ((char *) XSTRING (string)->data, |
| 3119 | &x, &y, &width, &height); |
| 3120 | |
| 3121 | result = Qnil; |
| 3122 | if (geometry & XValue) |
| 3123 | { |
| 3124 | Lisp_Object element; |
| 3125 | |
| 3126 | if (x >= 0 && (geometry & XNegative)) |
| 3127 | element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil))); |
| 3128 | else if (x < 0 && ! (geometry & XNegative)) |
| 3129 | element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil))); |
| 3130 | else |
| 3131 | element = Fcons (Qleft, make_number (x)); |
| 3132 | result = Fcons (element, result); |
| 3133 | } |
| 3134 | |
| 3135 | if (geometry & YValue) |
| 3136 | { |
| 3137 | Lisp_Object element; |
| 3138 | |
| 3139 | if (y >= 0 && (geometry & YNegative)) |
| 3140 | element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil))); |
| 3141 | else if (y < 0 && ! (geometry & YNegative)) |
| 3142 | element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil))); |
| 3143 | else |
| 3144 | element = Fcons (Qtop, make_number (y)); |
| 3145 | result = Fcons (element, result); |
| 3146 | } |
| 3147 | |
| 3148 | if (geometry & WidthValue) |
| 3149 | result = Fcons (Fcons (Qwidth, make_number (width)), result); |
| 3150 | if (geometry & HeightValue) |
| 3151 | result = Fcons (Fcons (Qheight, make_number (height)), result); |
| 3152 | |
| 3153 | return result; |
| 3154 | } |
| 3155 | |
| 3156 | /* Calculate the desired size and position of this window, |
| 3157 | and return the flags saying which aspects were specified. |
| 3158 | |
| 3159 | This function does not make the coordinates positive. */ |
| 3160 | |
| 3161 | #define DEFAULT_ROWS 40 |
| 3162 | #define DEFAULT_COLS 80 |
| 3163 | |
| 3164 | static int |
| 3165 | x_figure_window_size (f, parms) |
| 3166 | struct frame *f; |
| 3167 | Lisp_Object parms; |
| 3168 | { |
| 3169 | register Lisp_Object tem0, tem1, tem2; |
| 3170 | long window_prompting = 0; |
| 3171 | |
| 3172 | /* Default values if we fall through. |
| 3173 | Actually, if that happens we should get |
| 3174 | window manager prompting. */ |
| 3175 | SET_FRAME_WIDTH (f, DEFAULT_COLS); |
| 3176 | f->height = DEFAULT_ROWS; |
| 3177 | /* Window managers expect that if program-specified |
| 3178 | positions are not (0,0), they're intentional, not defaults. */ |
| 3179 | f->output_data.w32->top_pos = 0; |
| 3180 | f->output_data.w32->left_pos = 0; |
| 3181 | |
| 3182 | /* Ensure that old new_width and new_height will not override the |
| 3183 | values set here. */ |
| 3184 | FRAME_NEW_WIDTH (f) = 0; |
| 3185 | FRAME_NEW_HEIGHT (f) = 0; |
| 3186 | |
| 3187 | tem0 = w32_get_arg (parms, Qheight, 0, 0, RES_TYPE_NUMBER); |
| 3188 | tem1 = w32_get_arg (parms, Qwidth, 0, 0, RES_TYPE_NUMBER); |
| 3189 | tem2 = w32_get_arg (parms, Quser_size, 0, 0, RES_TYPE_NUMBER); |
| 3190 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
| 3191 | { |
| 3192 | if (!EQ (tem0, Qunbound)) |
| 3193 | { |
| 3194 | CHECK_NUMBER (tem0, 0); |
| 3195 | f->height = XINT (tem0); |
| 3196 | } |
| 3197 | if (!EQ (tem1, Qunbound)) |
| 3198 | { |
| 3199 | CHECK_NUMBER (tem1, 0); |
| 3200 | SET_FRAME_WIDTH (f, XINT (tem1)); |
| 3201 | } |
| 3202 | if (!NILP (tem2) && !EQ (tem2, Qunbound)) |
| 3203 | window_prompting |= USSize; |
| 3204 | else |
| 3205 | window_prompting |= PSize; |
| 3206 | } |
| 3207 | |
| 3208 | f->output_data.w32->vertical_scroll_bar_extra |
| 3209 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
| 3210 | ? 0 |
| 3211 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 |
| 3212 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
| 3213 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
| 3214 | f->output_data.w32->flags_areas_extra |
| 3215 | = FRAME_FLAGS_AREA_WIDTH (f); |
| 3216 | f->output_data.w32->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width); |
| 3217 | f->output_data.w32->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height); |
| 3218 | |
| 3219 | tem0 = w32_get_arg (parms, Qtop, 0, 0, RES_TYPE_NUMBER); |
| 3220 | tem1 = w32_get_arg (parms, Qleft, 0, 0, RES_TYPE_NUMBER); |
| 3221 | tem2 = w32_get_arg (parms, Quser_position, 0, 0, RES_TYPE_NUMBER); |
| 3222 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
| 3223 | { |
| 3224 | if (EQ (tem0, Qminus)) |
| 3225 | { |
| 3226 | f->output_data.w32->top_pos = 0; |
| 3227 | window_prompting |= YNegative; |
| 3228 | } |
| 3229 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus) |
| 3230 | && CONSP (XCDR (tem0)) |
| 3231 | && INTEGERP (XCAR (XCDR (tem0)))) |
| 3232 | { |
| 3233 | f->output_data.w32->top_pos = - XINT (XCAR (XCDR (tem0))); |
| 3234 | window_prompting |= YNegative; |
| 3235 | } |
| 3236 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus) |
| 3237 | && CONSP (XCDR (tem0)) |
| 3238 | && INTEGERP (XCAR (XCDR (tem0)))) |
| 3239 | { |
| 3240 | f->output_data.w32->top_pos = XINT (XCAR (XCDR (tem0))); |
| 3241 | } |
| 3242 | else if (EQ (tem0, Qunbound)) |
| 3243 | f->output_data.w32->top_pos = 0; |
| 3244 | else |
| 3245 | { |
| 3246 | CHECK_NUMBER (tem0, 0); |
| 3247 | f->output_data.w32->top_pos = XINT (tem0); |
| 3248 | if (f->output_data.w32->top_pos < 0) |
| 3249 | window_prompting |= YNegative; |
| 3250 | } |
| 3251 | |
| 3252 | if (EQ (tem1, Qminus)) |
| 3253 | { |
| 3254 | f->output_data.w32->left_pos = 0; |
| 3255 | window_prompting |= XNegative; |
| 3256 | } |
| 3257 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus) |
| 3258 | && CONSP (XCDR (tem1)) |
| 3259 | && INTEGERP (XCAR (XCDR (tem1)))) |
| 3260 | { |
| 3261 | f->output_data.w32->left_pos = - XINT (XCAR (XCDR (tem1))); |
| 3262 | window_prompting |= XNegative; |
| 3263 | } |
| 3264 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus) |
| 3265 | && CONSP (XCDR (tem1)) |
| 3266 | && INTEGERP (XCAR (XCDR (tem1)))) |
| 3267 | { |
| 3268 | f->output_data.w32->left_pos = XINT (XCAR (XCDR (tem1))); |
| 3269 | } |
| 3270 | else if (EQ (tem1, Qunbound)) |
| 3271 | f->output_data.w32->left_pos = 0; |
| 3272 | else |
| 3273 | { |
| 3274 | CHECK_NUMBER (tem1, 0); |
| 3275 | f->output_data.w32->left_pos = XINT (tem1); |
| 3276 | if (f->output_data.w32->left_pos < 0) |
| 3277 | window_prompting |= XNegative; |
| 3278 | } |
| 3279 | |
| 3280 | if (!NILP (tem2) && ! EQ (tem2, Qunbound)) |
| 3281 | window_prompting |= USPosition; |
| 3282 | else |
| 3283 | window_prompting |= PPosition; |
| 3284 | } |
| 3285 | |
| 3286 | return window_prompting; |
| 3287 | } |
| 3288 | |
| 3289 | \f |
| 3290 | |
| 3291 | extern LRESULT CALLBACK w32_wnd_proc (); |
| 3292 | |
| 3293 | BOOL |
| 3294 | w32_init_class (hinst) |
| 3295 | HINSTANCE hinst; |
| 3296 | { |
| 3297 | WNDCLASS wc; |
| 3298 | |
| 3299 | wc.style = CS_HREDRAW | CS_VREDRAW; |
| 3300 | wc.lpfnWndProc = (WNDPROC) w32_wnd_proc; |
| 3301 | wc.cbClsExtra = 0; |
| 3302 | wc.cbWndExtra = WND_EXTRA_BYTES; |
| 3303 | wc.hInstance = hinst; |
| 3304 | wc.hIcon = LoadIcon (hinst, EMACS_CLASS); |
| 3305 | wc.hCursor = LoadCursor (NULL, IDC_ARROW); |
| 3306 | wc.hbrBackground = NULL; /* GetStockObject (WHITE_BRUSH); */ |
| 3307 | wc.lpszMenuName = NULL; |
| 3308 | wc.lpszClassName = EMACS_CLASS; |
| 3309 | |
| 3310 | return (RegisterClass (&wc)); |
| 3311 | } |
| 3312 | |
| 3313 | HWND |
| 3314 | w32_createscrollbar (f, bar) |
| 3315 | struct frame *f; |
| 3316 | struct scroll_bar * bar; |
| 3317 | { |
| 3318 | return (CreateWindow ("SCROLLBAR", "", SBS_VERT | WS_CHILD | WS_VISIBLE, |
| 3319 | /* Position and size of scroll bar. */ |
| 3320 | XINT(bar->left) + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
| 3321 | XINT(bar->top), |
| 3322 | XINT(bar->width) - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, |
| 3323 | XINT(bar->height), |
| 3324 | FRAME_W32_WINDOW (f), |
| 3325 | NULL, |
| 3326 | hinst, |
| 3327 | NULL)); |
| 3328 | } |
| 3329 | |
| 3330 | void |
| 3331 | w32_createwindow (f) |
| 3332 | struct frame *f; |
| 3333 | { |
| 3334 | HWND hwnd; |
| 3335 | RECT rect; |
| 3336 | |
| 3337 | rect.left = rect.top = 0; |
| 3338 | rect.right = PIXEL_WIDTH (f); |
| 3339 | rect.bottom = PIXEL_HEIGHT (f); |
| 3340 | |
| 3341 | AdjustWindowRect (&rect, f->output_data.w32->dwStyle, |
| 3342 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 3343 | |
| 3344 | /* Do first time app init */ |
| 3345 | |
| 3346 | if (!hprevinst) |
| 3347 | { |
| 3348 | w32_init_class (hinst); |
| 3349 | } |
| 3350 | |
| 3351 | FRAME_W32_WINDOW (f) = hwnd |
| 3352 | = CreateWindow (EMACS_CLASS, |
| 3353 | f->namebuf, |
| 3354 | f->output_data.w32->dwStyle | WS_CLIPCHILDREN, |
| 3355 | f->output_data.w32->left_pos, |
| 3356 | f->output_data.w32->top_pos, |
| 3357 | rect.right - rect.left, |
| 3358 | rect.bottom - rect.top, |
| 3359 | NULL, |
| 3360 | NULL, |
| 3361 | hinst, |
| 3362 | NULL); |
| 3363 | |
| 3364 | if (hwnd) |
| 3365 | { |
| 3366 | SetWindowLong (hwnd, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
| 3367 | SetWindowLong (hwnd, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); |
| 3368 | SetWindowLong (hwnd, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); |
| 3369 | SetWindowLong (hwnd, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); |
| 3370 | SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f)); |
| 3371 | |
| 3372 | /* Enable drag-n-drop. */ |
| 3373 | DragAcceptFiles (hwnd, TRUE); |
| 3374 | |
| 3375 | /* Do this to discard the default setting specified by our parent. */ |
| 3376 | ShowWindow (hwnd, SW_HIDE); |
| 3377 | } |
| 3378 | } |
| 3379 | |
| 3380 | void |
| 3381 | my_post_msg (wmsg, hwnd, msg, wParam, lParam) |
| 3382 | W32Msg * wmsg; |
| 3383 | HWND hwnd; |
| 3384 | UINT msg; |
| 3385 | WPARAM wParam; |
| 3386 | LPARAM lParam; |
| 3387 | { |
| 3388 | wmsg->msg.hwnd = hwnd; |
| 3389 | wmsg->msg.message = msg; |
| 3390 | wmsg->msg.wParam = wParam; |
| 3391 | wmsg->msg.lParam = lParam; |
| 3392 | wmsg->msg.time = GetMessageTime (); |
| 3393 | |
| 3394 | post_msg (wmsg); |
| 3395 | } |
| 3396 | |
| 3397 | /* GetKeyState and MapVirtualKey on Windows 95 do not actually distinguish |
| 3398 | between left and right keys as advertised. We test for this |
| 3399 | support dynamically, and set a flag when the support is absent. If |
| 3400 | absent, we keep track of the left and right control and alt keys |
| 3401 | ourselves. This is particularly necessary on keyboards that rely |
| 3402 | upon the AltGr key, which is represented as having the left control |
| 3403 | and right alt keys pressed. For these keyboards, we need to know |
| 3404 | when the left alt key has been pressed in addition to the AltGr key |
| 3405 | so that we can properly support M-AltGr-key sequences (such as M-@ |
| 3406 | on Swedish keyboards). */ |
| 3407 | |
| 3408 | #define EMACS_LCONTROL 0 |
| 3409 | #define EMACS_RCONTROL 1 |
| 3410 | #define EMACS_LMENU 2 |
| 3411 | #define EMACS_RMENU 3 |
| 3412 | |
| 3413 | static int modifiers[4]; |
| 3414 | static int modifiers_recorded; |
| 3415 | static int modifier_key_support_tested; |
| 3416 | |
| 3417 | static void |
| 3418 | test_modifier_support (unsigned int wparam) |
| 3419 | { |
| 3420 | unsigned int l, r; |
| 3421 | |
| 3422 | if (wparam != VK_CONTROL && wparam != VK_MENU) |
| 3423 | return; |
| 3424 | if (wparam == VK_CONTROL) |
| 3425 | { |
| 3426 | l = VK_LCONTROL; |
| 3427 | r = VK_RCONTROL; |
| 3428 | } |
| 3429 | else |
| 3430 | { |
| 3431 | l = VK_LMENU; |
| 3432 | r = VK_RMENU; |
| 3433 | } |
| 3434 | if (!(GetKeyState (l) & 0x8000) && !(GetKeyState (r) & 0x8000)) |
| 3435 | modifiers_recorded = 1; |
| 3436 | else |
| 3437 | modifiers_recorded = 0; |
| 3438 | modifier_key_support_tested = 1; |
| 3439 | } |
| 3440 | |
| 3441 | static void |
| 3442 | record_keydown (unsigned int wparam, unsigned int lparam) |
| 3443 | { |
| 3444 | int i; |
| 3445 | |
| 3446 | if (!modifier_key_support_tested) |
| 3447 | test_modifier_support (wparam); |
| 3448 | |
| 3449 | if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded) |
| 3450 | return; |
| 3451 | |
| 3452 | if (wparam == VK_CONTROL) |
| 3453 | i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL; |
| 3454 | else |
| 3455 | i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU; |
| 3456 | |
| 3457 | modifiers[i] = 1; |
| 3458 | } |
| 3459 | |
| 3460 | static void |
| 3461 | record_keyup (unsigned int wparam, unsigned int lparam) |
| 3462 | { |
| 3463 | int i; |
| 3464 | |
| 3465 | if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded) |
| 3466 | return; |
| 3467 | |
| 3468 | if (wparam == VK_CONTROL) |
| 3469 | i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL; |
| 3470 | else |
| 3471 | i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU; |
| 3472 | |
| 3473 | modifiers[i] = 0; |
| 3474 | } |
| 3475 | |
| 3476 | /* Emacs can lose focus while a modifier key has been pressed. When |
| 3477 | it regains focus, be conservative and clear all modifiers since |
| 3478 | we cannot reconstruct the left and right modifier state. */ |
| 3479 | static void |
| 3480 | reset_modifiers () |
| 3481 | { |
| 3482 | SHORT ctrl, alt; |
| 3483 | |
| 3484 | if (GetFocus () == NULL) |
| 3485 | /* Emacs doesn't have keyboard focus. Do nothing. */ |
| 3486 | return; |
| 3487 | |
| 3488 | ctrl = GetAsyncKeyState (VK_CONTROL); |
| 3489 | alt = GetAsyncKeyState (VK_MENU); |
| 3490 | |
| 3491 | if (!(ctrl & 0x08000)) |
| 3492 | /* Clear any recorded control modifier state. */ |
| 3493 | modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0; |
| 3494 | |
| 3495 | if (!(alt & 0x08000)) |
| 3496 | /* Clear any recorded alt modifier state. */ |
| 3497 | modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0; |
| 3498 | |
| 3499 | /* Update the state of all modifier keys, because modifiers used in |
| 3500 | hot-key combinations can get stuck on if Emacs loses focus as a |
| 3501 | result of a hot-key being pressed. */ |
| 3502 | { |
| 3503 | BYTE keystate[256]; |
| 3504 | |
| 3505 | #define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8) |
| 3506 | |
| 3507 | GetKeyboardState (keystate); |
| 3508 | keystate[VK_SHIFT] = CURRENT_STATE (VK_SHIFT); |
| 3509 | keystate[VK_CONTROL] = CURRENT_STATE (VK_CONTROL); |
| 3510 | keystate[VK_LCONTROL] = CURRENT_STATE (VK_LCONTROL); |
| 3511 | keystate[VK_RCONTROL] = CURRENT_STATE (VK_RCONTROL); |
| 3512 | keystate[VK_MENU] = CURRENT_STATE (VK_MENU); |
| 3513 | keystate[VK_LMENU] = CURRENT_STATE (VK_LMENU); |
| 3514 | keystate[VK_RMENU] = CURRENT_STATE (VK_RMENU); |
| 3515 | keystate[VK_LWIN] = CURRENT_STATE (VK_LWIN); |
| 3516 | keystate[VK_RWIN] = CURRENT_STATE (VK_RWIN); |
| 3517 | keystate[VK_APPS] = CURRENT_STATE (VK_APPS); |
| 3518 | SetKeyboardState (keystate); |
| 3519 | } |
| 3520 | } |
| 3521 | |
| 3522 | /* Synchronize modifier state with what is reported with the current |
| 3523 | keystroke. Even if we cannot distinguish between left and right |
| 3524 | modifier keys, we know that, if no modifiers are set, then neither |
| 3525 | the left or right modifier should be set. */ |
| 3526 | static void |
| 3527 | sync_modifiers () |
| 3528 | { |
| 3529 | if (!modifiers_recorded) |
| 3530 | return; |
| 3531 | |
| 3532 | if (!(GetKeyState (VK_CONTROL) & 0x8000)) |
| 3533 | modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0; |
| 3534 | |
| 3535 | if (!(GetKeyState (VK_MENU) & 0x8000)) |
| 3536 | modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0; |
| 3537 | } |
| 3538 | |
| 3539 | static int |
| 3540 | modifier_set (int vkey) |
| 3541 | { |
| 3542 | if (vkey == VK_CAPITAL || vkey == VK_SCROLL) |
| 3543 | return (GetKeyState (vkey) & 0x1); |
| 3544 | if (!modifiers_recorded) |
| 3545 | return (GetKeyState (vkey) & 0x8000); |
| 3546 | |
| 3547 | switch (vkey) |
| 3548 | { |
| 3549 | case VK_LCONTROL: |
| 3550 | return modifiers[EMACS_LCONTROL]; |
| 3551 | case VK_RCONTROL: |
| 3552 | return modifiers[EMACS_RCONTROL]; |
| 3553 | case VK_LMENU: |
| 3554 | return modifiers[EMACS_LMENU]; |
| 3555 | case VK_RMENU: |
| 3556 | return modifiers[EMACS_RMENU]; |
| 3557 | } |
| 3558 | return (GetKeyState (vkey) & 0x8000); |
| 3559 | } |
| 3560 | |
| 3561 | /* Convert between the modifier bits W32 uses and the modifier bits |
| 3562 | Emacs uses. */ |
| 3563 | |
| 3564 | unsigned int |
| 3565 | w32_key_to_modifier (int key) |
| 3566 | { |
| 3567 | Lisp_Object key_mapping; |
| 3568 | |
| 3569 | switch (key) |
| 3570 | { |
| 3571 | case VK_LWIN: |
| 3572 | key_mapping = Vw32_lwindow_modifier; |
| 3573 | break; |
| 3574 | case VK_RWIN: |
| 3575 | key_mapping = Vw32_rwindow_modifier; |
| 3576 | break; |
| 3577 | case VK_APPS: |
| 3578 | key_mapping = Vw32_apps_modifier; |
| 3579 | break; |
| 3580 | case VK_SCROLL: |
| 3581 | key_mapping = Vw32_scroll_lock_modifier; |
| 3582 | break; |
| 3583 | default: |
| 3584 | key_mapping = Qnil; |
| 3585 | } |
| 3586 | |
| 3587 | /* NB. This code runs in the input thread, asychronously to the lisp |
| 3588 | thread, so we must be careful to ensure access to lisp data is |
| 3589 | thread-safe. The following code is safe because the modifier |
| 3590 | variable values are updated atomically from lisp and symbols are |
| 3591 | not relocated by GC. Also, we don't have to worry about seeing GC |
| 3592 | markbits here. */ |
| 3593 | if (EQ (key_mapping, Qhyper)) |
| 3594 | return hyper_modifier; |
| 3595 | if (EQ (key_mapping, Qsuper)) |
| 3596 | return super_modifier; |
| 3597 | if (EQ (key_mapping, Qmeta)) |
| 3598 | return meta_modifier; |
| 3599 | if (EQ (key_mapping, Qalt)) |
| 3600 | return alt_modifier; |
| 3601 | if (EQ (key_mapping, Qctrl)) |
| 3602 | return ctrl_modifier; |
| 3603 | if (EQ (key_mapping, Qcontrol)) /* synonym for ctrl */ |
| 3604 | return ctrl_modifier; |
| 3605 | if (EQ (key_mapping, Qshift)) |
| 3606 | return shift_modifier; |
| 3607 | |
| 3608 | /* Don't generate any modifier if not explicitly requested. */ |
| 3609 | return 0; |
| 3610 | } |
| 3611 | |
| 3612 | unsigned int |
| 3613 | w32_get_modifiers () |
| 3614 | { |
| 3615 | return ((modifier_set (VK_SHIFT) ? shift_modifier : 0) | |
| 3616 | (modifier_set (VK_CONTROL) ? ctrl_modifier : 0) | |
| 3617 | (modifier_set (VK_LWIN) ? w32_key_to_modifier (VK_LWIN) : 0) | |
| 3618 | (modifier_set (VK_RWIN) ? w32_key_to_modifier (VK_RWIN) : 0) | |
| 3619 | (modifier_set (VK_APPS) ? w32_key_to_modifier (VK_APPS) : 0) | |
| 3620 | (modifier_set (VK_SCROLL) ? w32_key_to_modifier (VK_SCROLL) : 0) | |
| 3621 | (modifier_set (VK_MENU) ? |
| 3622 | ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0)); |
| 3623 | } |
| 3624 | |
| 3625 | /* We map the VK_* modifiers into console modifier constants |
| 3626 | so that we can use the same routines to handle both console |
| 3627 | and window input. */ |
| 3628 | |
| 3629 | static int |
| 3630 | construct_console_modifiers () |
| 3631 | { |
| 3632 | int mods; |
| 3633 | |
| 3634 | mods = 0; |
| 3635 | mods |= (modifier_set (VK_SHIFT)) ? SHIFT_PRESSED : 0; |
| 3636 | mods |= (modifier_set (VK_CAPITAL)) ? CAPSLOCK_ON : 0; |
| 3637 | mods |= (modifier_set (VK_SCROLL)) ? SCROLLLOCK_ON : 0; |
| 3638 | mods |= (modifier_set (VK_NUMLOCK)) ? NUMLOCK_ON : 0; |
| 3639 | mods |= (modifier_set (VK_LCONTROL)) ? LEFT_CTRL_PRESSED : 0; |
| 3640 | mods |= (modifier_set (VK_RCONTROL)) ? RIGHT_CTRL_PRESSED : 0; |
| 3641 | mods |= (modifier_set (VK_LMENU)) ? LEFT_ALT_PRESSED : 0; |
| 3642 | mods |= (modifier_set (VK_RMENU)) ? RIGHT_ALT_PRESSED : 0; |
| 3643 | mods |= (modifier_set (VK_LWIN)) ? LEFT_WIN_PRESSED : 0; |
| 3644 | mods |= (modifier_set (VK_RWIN)) ? RIGHT_WIN_PRESSED : 0; |
| 3645 | mods |= (modifier_set (VK_APPS)) ? APPS_PRESSED : 0; |
| 3646 | |
| 3647 | return mods; |
| 3648 | } |
| 3649 | |
| 3650 | static int |
| 3651 | w32_get_key_modifiers (unsigned int wparam, unsigned int lparam) |
| 3652 | { |
| 3653 | int mods; |
| 3654 | |
| 3655 | /* Convert to emacs modifiers. */ |
| 3656 | mods = w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam); |
| 3657 | |
| 3658 | return mods; |
| 3659 | } |
| 3660 | |
| 3661 | unsigned int |
| 3662 | map_keypad_keys (unsigned int virt_key, unsigned int extended) |
| 3663 | { |
| 3664 | if (virt_key < VK_CLEAR || virt_key > VK_DELETE) |
| 3665 | return virt_key; |
| 3666 | |
| 3667 | if (virt_key == VK_RETURN) |
| 3668 | return (extended ? VK_NUMPAD_ENTER : VK_RETURN); |
| 3669 | |
| 3670 | if (virt_key >= VK_PRIOR && virt_key <= VK_DOWN) |
| 3671 | return (!extended ? (VK_NUMPAD_PRIOR + (virt_key - VK_PRIOR)) : virt_key); |
| 3672 | |
| 3673 | if (virt_key == VK_INSERT || virt_key == VK_DELETE) |
| 3674 | return (!extended ? (VK_NUMPAD_INSERT + (virt_key - VK_INSERT)) : virt_key); |
| 3675 | |
| 3676 | if (virt_key == VK_CLEAR) |
| 3677 | return (!extended ? VK_NUMPAD_CLEAR : virt_key); |
| 3678 | |
| 3679 | return virt_key; |
| 3680 | } |
| 3681 | |
| 3682 | /* List of special key combinations which w32 would normally capture, |
| 3683 | but emacs should grab instead. Not directly visible to lisp, to |
| 3684 | simplify synchronization. Each item is an integer encoding a virtual |
| 3685 | key code and modifier combination to capture. */ |
| 3686 | Lisp_Object w32_grabbed_keys; |
| 3687 | |
| 3688 | #define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8)) |
| 3689 | #define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff) |
| 3690 | #define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255) |
| 3691 | #define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8) |
| 3692 | |
| 3693 | /* Register hot-keys for reserved key combinations when Emacs has |
| 3694 | keyboard focus, since this is the only way Emacs can receive key |
| 3695 | combinations like Alt-Tab which are used by the system. */ |
| 3696 | |
| 3697 | static void |
| 3698 | register_hot_keys (hwnd) |
| 3699 | HWND hwnd; |
| 3700 | { |
| 3701 | Lisp_Object keylist; |
| 3702 | |
| 3703 | /* Use GC_CONSP, since we are called asynchronously. */ |
| 3704 | for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist)) |
| 3705 | { |
| 3706 | Lisp_Object key = XCAR (keylist); |
| 3707 | |
| 3708 | /* Deleted entries get set to nil. */ |
| 3709 | if (!INTEGERP (key)) |
| 3710 | continue; |
| 3711 | |
| 3712 | RegisterHotKey (hwnd, HOTKEY_ID (key), |
| 3713 | HOTKEY_MODIFIERS (key), HOTKEY_VK_CODE (key)); |
| 3714 | } |
| 3715 | } |
| 3716 | |
| 3717 | static void |
| 3718 | unregister_hot_keys (hwnd) |
| 3719 | HWND hwnd; |
| 3720 | { |
| 3721 | Lisp_Object keylist; |
| 3722 | |
| 3723 | /* Use GC_CONSP, since we are called asynchronously. */ |
| 3724 | for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist)) |
| 3725 | { |
| 3726 | Lisp_Object key = XCAR (keylist); |
| 3727 | |
| 3728 | if (!INTEGERP (key)) |
| 3729 | continue; |
| 3730 | |
| 3731 | UnregisterHotKey (hwnd, HOTKEY_ID (key)); |
| 3732 | } |
| 3733 | } |
| 3734 | |
| 3735 | /* Main message dispatch loop. */ |
| 3736 | |
| 3737 | static void |
| 3738 | w32_msg_pump (deferred_msg * msg_buf) |
| 3739 | { |
| 3740 | MSG msg; |
| 3741 | int result; |
| 3742 | HWND focus_window; |
| 3743 | |
| 3744 | msh_mousewheel = RegisterWindowMessage (MSH_MOUSEWHEEL); |
| 3745 | |
| 3746 | while (GetMessage (&msg, NULL, 0, 0)) |
| 3747 | { |
| 3748 | if (msg.hwnd == NULL) |
| 3749 | { |
| 3750 | switch (msg.message) |
| 3751 | { |
| 3752 | case WM_NULL: |
| 3753 | /* Produced by complete_deferred_msg; just ignore. */ |
| 3754 | break; |
| 3755 | case WM_EMACS_CREATEWINDOW: |
| 3756 | w32_createwindow ((struct frame *) msg.wParam); |
| 3757 | if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) |
| 3758 | abort (); |
| 3759 | break; |
| 3760 | case WM_EMACS_SETLOCALE: |
| 3761 | SetThreadLocale (msg.wParam); |
| 3762 | /* Reply is not expected. */ |
| 3763 | break; |
| 3764 | case WM_EMACS_SETKEYBOARDLAYOUT: |
| 3765 | result = (int) ActivateKeyboardLayout ((HKL) msg.wParam, 0); |
| 3766 | if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, |
| 3767 | result, 0)) |
| 3768 | abort (); |
| 3769 | break; |
| 3770 | case WM_EMACS_REGISTER_HOT_KEY: |
| 3771 | focus_window = GetFocus (); |
| 3772 | if (focus_window != NULL) |
| 3773 | RegisterHotKey (focus_window, |
| 3774 | HOTKEY_ID (msg.wParam), |
| 3775 | HOTKEY_MODIFIERS (msg.wParam), |
| 3776 | HOTKEY_VK_CODE (msg.wParam)); |
| 3777 | /* Reply is not expected. */ |
| 3778 | break; |
| 3779 | case WM_EMACS_UNREGISTER_HOT_KEY: |
| 3780 | focus_window = GetFocus (); |
| 3781 | if (focus_window != NULL) |
| 3782 | UnregisterHotKey (focus_window, HOTKEY_ID (msg.wParam)); |
| 3783 | /* Mark item as erased. NB: this code must be |
| 3784 | thread-safe. The next line is okay because the cons |
| 3785 | cell is never made into garbage and is not relocated by |
| 3786 | GC. */ |
| 3787 | XCAR ((Lisp_Object) msg.lParam) = Qnil; |
| 3788 | if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) |
| 3789 | abort (); |
| 3790 | break; |
| 3791 | case WM_EMACS_TOGGLE_LOCK_KEY: |
| 3792 | { |
| 3793 | int vk_code = (int) msg.wParam; |
| 3794 | int cur_state = (GetKeyState (vk_code) & 1); |
| 3795 | Lisp_Object new_state = (Lisp_Object) msg.lParam; |
| 3796 | |
| 3797 | /* NB: This code must be thread-safe. It is safe to |
| 3798 | call NILP because symbols are not relocated by GC, |
| 3799 | and pointer here is not touched by GC (so the markbit |
| 3800 | can't be set). Numbers are safe because they are |
| 3801 | immediate values. */ |
| 3802 | if (NILP (new_state) |
| 3803 | || (NUMBERP (new_state) |
| 3804 | && ((XUINT (new_state)) & 1) != cur_state)) |
| 3805 | { |
| 3806 | one_w32_display_info.faked_key = vk_code; |
| 3807 | |
| 3808 | keybd_event ((BYTE) vk_code, |
| 3809 | (BYTE) MapVirtualKey (vk_code, 0), |
| 3810 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); |
| 3811 | keybd_event ((BYTE) vk_code, |
| 3812 | (BYTE) MapVirtualKey (vk_code, 0), |
| 3813 | KEYEVENTF_EXTENDEDKEY | 0, 0); |
| 3814 | keybd_event ((BYTE) vk_code, |
| 3815 | (BYTE) MapVirtualKey (vk_code, 0), |
| 3816 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); |
| 3817 | cur_state = !cur_state; |
| 3818 | } |
| 3819 | if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, |
| 3820 | cur_state, 0)) |
| 3821 | abort (); |
| 3822 | } |
| 3823 | break; |
| 3824 | default: |
| 3825 | DebPrint (("msg %x not expected by w32_msg_pump\n", msg.message)); |
| 3826 | } |
| 3827 | } |
| 3828 | else |
| 3829 | { |
| 3830 | DispatchMessage (&msg); |
| 3831 | } |
| 3832 | |
| 3833 | /* Exit nested loop when our deferred message has completed. */ |
| 3834 | if (msg_buf->completed) |
| 3835 | break; |
| 3836 | } |
| 3837 | } |
| 3838 | |
| 3839 | deferred_msg * deferred_msg_head; |
| 3840 | |
| 3841 | static deferred_msg * |
| 3842 | find_deferred_msg (HWND hwnd, UINT msg) |
| 3843 | { |
| 3844 | deferred_msg * item; |
| 3845 | |
| 3846 | /* Don't actually need synchronization for read access, since |
| 3847 | modification of single pointer is always atomic. */ |
| 3848 | /* enter_crit (); */ |
| 3849 | |
| 3850 | for (item = deferred_msg_head; item != NULL; item = item->next) |
| 3851 | if (item->w32msg.msg.hwnd == hwnd |
| 3852 | && item->w32msg.msg.message == msg) |
| 3853 | break; |
| 3854 | |
| 3855 | /* leave_crit (); */ |
| 3856 | |
| 3857 | return item; |
| 3858 | } |
| 3859 | |
| 3860 | static LRESULT |
| 3861 | send_deferred_msg (deferred_msg * msg_buf, |
| 3862 | HWND hwnd, |
| 3863 | UINT msg, |
| 3864 | WPARAM wParam, |
| 3865 | LPARAM lParam) |
| 3866 | { |
| 3867 | /* Only input thread can send deferred messages. */ |
| 3868 | if (GetCurrentThreadId () != dwWindowsThreadId) |
| 3869 | abort (); |
| 3870 | |
| 3871 | /* It is an error to send a message that is already deferred. */ |
| 3872 | if (find_deferred_msg (hwnd, msg) != NULL) |
| 3873 | abort (); |
| 3874 | |
| 3875 | /* Enforced synchronization is not needed because this is the only |
| 3876 | function that alters deferred_msg_head, and the following critical |
| 3877 | section is guaranteed to only be serially reentered (since only the |
| 3878 | input thread can call us). */ |
| 3879 | |
| 3880 | /* enter_crit (); */ |
| 3881 | |
| 3882 | msg_buf->completed = 0; |
| 3883 | msg_buf->next = deferred_msg_head; |
| 3884 | deferred_msg_head = msg_buf; |
| 3885 | my_post_msg (&msg_buf->w32msg, hwnd, msg, wParam, lParam); |
| 3886 | |
| 3887 | /* leave_crit (); */ |
| 3888 | |
| 3889 | /* Start a new nested message loop to process other messages until |
| 3890 | this one is completed. */ |
| 3891 | w32_msg_pump (msg_buf); |
| 3892 | |
| 3893 | deferred_msg_head = msg_buf->next; |
| 3894 | |
| 3895 | return msg_buf->result; |
| 3896 | } |
| 3897 | |
| 3898 | void |
| 3899 | complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result) |
| 3900 | { |
| 3901 | deferred_msg * msg_buf = find_deferred_msg (hwnd, msg); |
| 3902 | |
| 3903 | if (msg_buf == NULL) |
| 3904 | /* Message may have been cancelled, so don't abort(). */ |
| 3905 | return; |
| 3906 | |
| 3907 | msg_buf->result = result; |
| 3908 | msg_buf->completed = 1; |
| 3909 | |
| 3910 | /* Ensure input thread is woken so it notices the completion. */ |
| 3911 | PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0); |
| 3912 | } |
| 3913 | |
| 3914 | void |
| 3915 | cancel_all_deferred_msgs () |
| 3916 | { |
| 3917 | deferred_msg * item; |
| 3918 | |
| 3919 | /* Don't actually need synchronization for read access, since |
| 3920 | modification of single pointer is always atomic. */ |
| 3921 | /* enter_crit (); */ |
| 3922 | |
| 3923 | for (item = deferred_msg_head; item != NULL; item = item->next) |
| 3924 | { |
| 3925 | item->result = 0; |
| 3926 | item->completed = 1; |
| 3927 | } |
| 3928 | |
| 3929 | /* leave_crit (); */ |
| 3930 | |
| 3931 | /* Ensure input thread is woken so it notices the completion. */ |
| 3932 | PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0); |
| 3933 | } |
| 3934 | |
| 3935 | DWORD |
| 3936 | w32_msg_worker (dw) |
| 3937 | DWORD dw; |
| 3938 | { |
| 3939 | MSG msg; |
| 3940 | deferred_msg dummy_buf; |
| 3941 | |
| 3942 | /* Ensure our message queue is created */ |
| 3943 | |
| 3944 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); |
| 3945 | |
| 3946 | if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0)) |
| 3947 | abort (); |
| 3948 | |
| 3949 | memset (&dummy_buf, 0, sizeof (dummy_buf)); |
| 3950 | dummy_buf.w32msg.msg.hwnd = NULL; |
| 3951 | dummy_buf.w32msg.msg.message = WM_NULL; |
| 3952 | |
| 3953 | /* This is the inital message loop which should only exit when the |
| 3954 | application quits. */ |
| 3955 | w32_msg_pump (&dummy_buf); |
| 3956 | |
| 3957 | return 0; |
| 3958 | } |
| 3959 | |
| 3960 | static void |
| 3961 | post_character_message (hwnd, msg, wParam, lParam, modifiers) |
| 3962 | HWND hwnd; |
| 3963 | UINT msg; |
| 3964 | WPARAM wParam; |
| 3965 | LPARAM lParam; |
| 3966 | DWORD modifiers; |
| 3967 | |
| 3968 | { |
| 3969 | W32Msg wmsg; |
| 3970 | |
| 3971 | wmsg.dwModifiers = modifiers; |
| 3972 | |
| 3973 | /* Detect quit_char and set quit-flag directly. Note that we |
| 3974 | still need to post a message to ensure the main thread will be |
| 3975 | woken up if blocked in sys_select(), but we do NOT want to post |
| 3976 | the quit_char message itself (because it will usually be as if |
| 3977 | the user had typed quit_char twice). Instead, we post a dummy |
| 3978 | message that has no particular effect. */ |
| 3979 | { |
| 3980 | int c = wParam; |
| 3981 | if (isalpha (c) && wmsg.dwModifiers == ctrl_modifier) |
| 3982 | c = make_ctrl_char (c) & 0377; |
| 3983 | if (c == quit_char |
| 3984 | || (wmsg.dwModifiers == 0 && |
| 3985 | XFASTINT (Vw32_quit_key) && wParam == XFASTINT (Vw32_quit_key))) |
| 3986 | { |
| 3987 | Vquit_flag = Qt; |
| 3988 | |
| 3989 | /* The choice of message is somewhat arbitrary, as long as |
| 3990 | the main thread handler just ignores it. */ |
| 3991 | msg = WM_NULL; |
| 3992 | |
| 3993 | /* Interrupt any blocking system calls. */ |
| 3994 | signal_quit (); |
| 3995 | |
| 3996 | /* As a safety precaution, forcibly complete any deferred |
| 3997 | messages. This is a kludge, but I don't see any particularly |
| 3998 | clean way to handle the situation where a deferred message is |
| 3999 | "dropped" in the lisp thread, and will thus never be |
| 4000 | completed, eg. by the user trying to activate the menubar |
| 4001 | when the lisp thread is busy, and then typing C-g when the |
| 4002 | menubar doesn't open promptly (with the result that the |
| 4003 | menubar never responds at all because the deferred |
| 4004 | WM_INITMENU message is never completed). Another problem |
| 4005 | situation is when the lisp thread calls SendMessage (to send |
| 4006 | a window manager command) when a message has been deferred; |
| 4007 | the lisp thread gets blocked indefinitely waiting for the |
| 4008 | deferred message to be completed, which itself is waiting for |
| 4009 | the lisp thread to respond. |
| 4010 | |
| 4011 | Note that we don't want to block the input thread waiting for |
| 4012 | a reponse from the lisp thread (although that would at least |
| 4013 | solve the deadlock problem above), because we want to be able |
| 4014 | to receive C-g to interrupt the lisp thread. */ |
| 4015 | cancel_all_deferred_msgs (); |
| 4016 | } |
| 4017 | } |
| 4018 | |
| 4019 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4020 | } |
| 4021 | |
| 4022 | /* Main window procedure */ |
| 4023 | |
| 4024 | LRESULT CALLBACK |
| 4025 | w32_wnd_proc (hwnd, msg, wParam, lParam) |
| 4026 | HWND hwnd; |
| 4027 | UINT msg; |
| 4028 | WPARAM wParam; |
| 4029 | LPARAM lParam; |
| 4030 | { |
| 4031 | struct frame *f; |
| 4032 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 4033 | W32Msg wmsg; |
| 4034 | int windows_translate; |
| 4035 | int key; |
| 4036 | |
| 4037 | /* Note that it is okay to call x_window_to_frame, even though we are |
| 4038 | not running in the main lisp thread, because frame deletion |
| 4039 | requires the lisp thread to synchronize with this thread. Thus, if |
| 4040 | a frame struct is returned, it can be used without concern that the |
| 4041 | lisp thread might make it disappear while we are using it. |
| 4042 | |
| 4043 | NB. Walking the frame list in this thread is safe (as long as |
| 4044 | writes of Lisp_Object slots are atomic, which they are on Windows). |
| 4045 | Although delete-frame can destructively modify the frame list while |
| 4046 | we are walking it, a garbage collection cannot occur until after |
| 4047 | delete-frame has synchronized with this thread. |
| 4048 | |
| 4049 | It is also safe to use functions that make GDI calls, such as |
| 4050 | w32_clear_rect, because these functions must obtain a DC handle |
| 4051 | from the frame struct using get_frame_dc which is thread-aware. */ |
| 4052 | |
| 4053 | switch (msg) |
| 4054 | { |
| 4055 | case WM_ERASEBKGND: |
| 4056 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4057 | if (f) |
| 4058 | { |
| 4059 | HDC hdc = get_frame_dc (f); |
| 4060 | GetUpdateRect (hwnd, &wmsg.rect, FALSE); |
| 4061 | w32_clear_rect (f, hdc, &wmsg.rect); |
| 4062 | release_frame_dc (f, hdc); |
| 4063 | |
| 4064 | #if defined (W32_DEBUG_DISPLAY) |
| 4065 | DebPrint (("WM_ERASEBKGND: erasing %d,%d-%d,%d\n", |
| 4066 | wmsg.rect.left, wmsg.rect.top, wmsg.rect.right, |
| 4067 | wmsg.rect.bottom)); |
| 4068 | #endif /* W32_DEBUG_DISPLAY */ |
| 4069 | } |
| 4070 | return 1; |
| 4071 | case WM_PALETTECHANGED: |
| 4072 | /* ignore our own changes */ |
| 4073 | if ((HWND)wParam != hwnd) |
| 4074 | { |
| 4075 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4076 | if (f) |
| 4077 | /* get_frame_dc will realize our palette and force all |
| 4078 | frames to be redrawn if needed. */ |
| 4079 | release_frame_dc (f, get_frame_dc (f)); |
| 4080 | } |
| 4081 | return 0; |
| 4082 | case WM_PAINT: |
| 4083 | { |
| 4084 | PAINTSTRUCT paintStruct; |
| 4085 | RECT update_rect; |
| 4086 | |
| 4087 | /* MSDN Docs say not to call BeginPaint if GetUpdateRect |
| 4088 | fails. Apparently this can happen under some |
| 4089 | circumstances. */ |
| 4090 | if (!w32_strict_painting || GetUpdateRect (hwnd, &update_rect, FALSE)) |
| 4091 | { |
| 4092 | enter_crit (); |
| 4093 | BeginPaint (hwnd, &paintStruct); |
| 4094 | |
| 4095 | if (w32_strict_painting) |
| 4096 | /* The rectangles returned by GetUpdateRect and BeginPaint |
| 4097 | do not always match. GetUpdateRect seems to be the |
| 4098 | more reliable of the two. */ |
| 4099 | wmsg.rect = update_rect; |
| 4100 | else |
| 4101 | wmsg.rect = paintStruct.rcPaint; |
| 4102 | |
| 4103 | #if defined (W32_DEBUG_DISPLAY) |
| 4104 | DebPrint (("WM_PAINT: painting %d,%d-%d,%d\n", wmsg.rect.left, |
| 4105 | wmsg.rect.top, wmsg.rect.right, wmsg.rect.bottom)); |
| 4106 | DebPrint (("WM_PAINT: update region is %d,%d-%d,%d\n", |
| 4107 | update_rect.left, update_rect.top, |
| 4108 | update_rect.right, update_rect.bottom)); |
| 4109 | #endif |
| 4110 | EndPaint (hwnd, &paintStruct); |
| 4111 | leave_crit (); |
| 4112 | |
| 4113 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4114 | |
| 4115 | return 0; |
| 4116 | } |
| 4117 | |
| 4118 | /* If GetUpdateRect returns 0 (meaning there is no update |
| 4119 | region), assume the whole window needs to be repainted. */ |
| 4120 | GetClientRect(hwnd, &wmsg.rect); |
| 4121 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4122 | return 0; |
| 4123 | } |
| 4124 | |
| 4125 | case WM_INPUTLANGCHANGE: |
| 4126 | /* Inform lisp thread of keyboard layout changes. */ |
| 4127 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4128 | |
| 4129 | /* Clear dead keys in the keyboard state; for simplicity only |
| 4130 | preserve modifier key states. */ |
| 4131 | { |
| 4132 | int i; |
| 4133 | BYTE keystate[256]; |
| 4134 | |
| 4135 | GetKeyboardState (keystate); |
| 4136 | for (i = 0; i < 256; i++) |
| 4137 | if (1 |
| 4138 | && i != VK_SHIFT |
| 4139 | && i != VK_LSHIFT |
| 4140 | && i != VK_RSHIFT |
| 4141 | && i != VK_CAPITAL |
| 4142 | && i != VK_NUMLOCK |
| 4143 | && i != VK_SCROLL |
| 4144 | && i != VK_CONTROL |
| 4145 | && i != VK_LCONTROL |
| 4146 | && i != VK_RCONTROL |
| 4147 | && i != VK_MENU |
| 4148 | && i != VK_LMENU |
| 4149 | && i != VK_RMENU |
| 4150 | && i != VK_LWIN |
| 4151 | && i != VK_RWIN) |
| 4152 | keystate[i] = 0; |
| 4153 | SetKeyboardState (keystate); |
| 4154 | } |
| 4155 | goto dflt; |
| 4156 | |
| 4157 | case WM_HOTKEY: |
| 4158 | /* Synchronize hot keys with normal input. */ |
| 4159 | PostMessage (hwnd, WM_KEYDOWN, HIWORD (lParam), 0); |
| 4160 | return (0); |
| 4161 | |
| 4162 | case WM_KEYUP: |
| 4163 | case WM_SYSKEYUP: |
| 4164 | record_keyup (wParam, lParam); |
| 4165 | goto dflt; |
| 4166 | |
| 4167 | case WM_KEYDOWN: |
| 4168 | case WM_SYSKEYDOWN: |
| 4169 | /* Ignore keystrokes we fake ourself; see below. */ |
| 4170 | if (dpyinfo->faked_key == wParam) |
| 4171 | { |
| 4172 | dpyinfo->faked_key = 0; |
| 4173 | /* Make sure TranslateMessage sees them though (as long as |
| 4174 | they don't produce WM_CHAR messages). This ensures that |
| 4175 | indicator lights are toggled promptly on Windows 9x, for |
| 4176 | example. */ |
| 4177 | if (lispy_function_keys[wParam] != 0) |
| 4178 | { |
| 4179 | windows_translate = 1; |
| 4180 | goto translate; |
| 4181 | } |
| 4182 | return 0; |
| 4183 | } |
| 4184 | |
| 4185 | /* Synchronize modifiers with current keystroke. */ |
| 4186 | sync_modifiers (); |
| 4187 | record_keydown (wParam, lParam); |
| 4188 | wParam = map_keypad_keys (wParam, (lParam & 0x1000000L) != 0); |
| 4189 | |
| 4190 | windows_translate = 0; |
| 4191 | |
| 4192 | switch (wParam) |
| 4193 | { |
| 4194 | case VK_LWIN: |
| 4195 | if (NILP (Vw32_pass_lwindow_to_system)) |
| 4196 | { |
| 4197 | /* Prevent system from acting on keyup (which opens the |
| 4198 | Start menu if no other key was pressed) by simulating a |
| 4199 | press of Space which we will ignore. */ |
| 4200 | if (GetAsyncKeyState (wParam) & 1) |
| 4201 | { |
| 4202 | if (NUMBERP (Vw32_phantom_key_code)) |
| 4203 | key = XUINT (Vw32_phantom_key_code) & 255; |
| 4204 | else |
| 4205 | key = VK_SPACE; |
| 4206 | dpyinfo->faked_key = key; |
| 4207 | keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0); |
| 4208 | } |
| 4209 | } |
| 4210 | if (!NILP (Vw32_lwindow_modifier)) |
| 4211 | return 0; |
| 4212 | break; |
| 4213 | case VK_RWIN: |
| 4214 | if (NILP (Vw32_pass_rwindow_to_system)) |
| 4215 | { |
| 4216 | if (GetAsyncKeyState (wParam) & 1) |
| 4217 | { |
| 4218 | if (NUMBERP (Vw32_phantom_key_code)) |
| 4219 | key = XUINT (Vw32_phantom_key_code) & 255; |
| 4220 | else |
| 4221 | key = VK_SPACE; |
| 4222 | dpyinfo->faked_key = key; |
| 4223 | keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0); |
| 4224 | } |
| 4225 | } |
| 4226 | if (!NILP (Vw32_rwindow_modifier)) |
| 4227 | return 0; |
| 4228 | break; |
| 4229 | case VK_APPS: |
| 4230 | if (!NILP (Vw32_apps_modifier)) |
| 4231 | return 0; |
| 4232 | break; |
| 4233 | case VK_MENU: |
| 4234 | if (NILP (Vw32_pass_alt_to_system)) |
| 4235 | /* Prevent DefWindowProc from activating the menu bar if an |
| 4236 | Alt key is pressed and released by itself. */ |
| 4237 | return 0; |
| 4238 | windows_translate = 1; |
| 4239 | break; |
| 4240 | case VK_CAPITAL: |
| 4241 | /* Decide whether to treat as modifier or function key. */ |
| 4242 | if (NILP (Vw32_enable_caps_lock)) |
| 4243 | goto disable_lock_key; |
| 4244 | windows_translate = 1; |
| 4245 | break; |
| 4246 | case VK_NUMLOCK: |
| 4247 | /* Decide whether to treat as modifier or function key. */ |
| 4248 | if (NILP (Vw32_enable_num_lock)) |
| 4249 | goto disable_lock_key; |
| 4250 | windows_translate = 1; |
| 4251 | break; |
| 4252 | case VK_SCROLL: |
| 4253 | /* Decide whether to treat as modifier or function key. */ |
| 4254 | if (NILP (Vw32_scroll_lock_modifier)) |
| 4255 | goto disable_lock_key; |
| 4256 | windows_translate = 1; |
| 4257 | break; |
| 4258 | disable_lock_key: |
| 4259 | /* Ensure the appropriate lock key state (and indicator light) |
| 4260 | remains in the same state. We do this by faking another |
| 4261 | press of the relevant key. Apparently, this really is the |
| 4262 | only way to toggle the state of the indicator lights. */ |
| 4263 | dpyinfo->faked_key = wParam; |
| 4264 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), |
| 4265 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); |
| 4266 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), |
| 4267 | KEYEVENTF_EXTENDEDKEY | 0, 0); |
| 4268 | keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0), |
| 4269 | KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0); |
| 4270 | /* Ensure indicator lights are updated promptly on Windows 9x |
| 4271 | (TranslateMessage apparently does this), after forwarding |
| 4272 | input event. */ |
| 4273 | post_character_message (hwnd, msg, wParam, lParam, |
| 4274 | w32_get_key_modifiers (wParam, lParam)); |
| 4275 | windows_translate = 1; |
| 4276 | break; |
| 4277 | case VK_CONTROL: |
| 4278 | case VK_SHIFT: |
| 4279 | case VK_PROCESSKEY: /* Generated by IME. */ |
| 4280 | windows_translate = 1; |
| 4281 | break; |
| 4282 | case VK_CANCEL: |
| 4283 | /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL, |
| 4284 | which is confusing for purposes of key binding; convert |
| 4285 | VK_CANCEL events into VK_PAUSE events. */ |
| 4286 | wParam = VK_PAUSE; |
| 4287 | break; |
| 4288 | case VK_PAUSE: |
| 4289 | /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing |
| 4290 | for purposes of key binding; convert these back into |
| 4291 | VK_NUMLOCK events, at least when we want to see NumLock key |
| 4292 | presses. (Note that there is never any possibility that |
| 4293 | VK_PAUSE with Ctrl really is C-Pause as per above.) */ |
| 4294 | if (NILP (Vw32_enable_num_lock) && modifier_set (VK_CONTROL)) |
| 4295 | wParam = VK_NUMLOCK; |
| 4296 | break; |
| 4297 | default: |
| 4298 | /* If not defined as a function key, change it to a WM_CHAR message. */ |
| 4299 | if (lispy_function_keys[wParam] == 0) |
| 4300 | { |
| 4301 | DWORD modifiers = construct_console_modifiers (); |
| 4302 | |
| 4303 | if (!NILP (Vw32_recognize_altgr) |
| 4304 | && modifier_set (VK_LCONTROL) && modifier_set (VK_RMENU)) |
| 4305 | { |
| 4306 | /* Always let TranslateMessage handle AltGr key chords; |
| 4307 | for some reason, ToAscii doesn't always process AltGr |
| 4308 | chords correctly. */ |
| 4309 | windows_translate = 1; |
| 4310 | } |
| 4311 | else if ((modifiers & (~SHIFT_PRESSED & ~CAPSLOCK_ON)) != 0) |
| 4312 | { |
| 4313 | /* Handle key chords including any modifiers other |
| 4314 | than shift directly, in order to preserve as much |
| 4315 | modifier information as possible. */ |
| 4316 | if ('A' <= wParam && wParam <= 'Z') |
| 4317 | { |
| 4318 | /* Don't translate modified alphabetic keystrokes, |
| 4319 | so the user doesn't need to constantly switch |
| 4320 | layout to type control or meta keystrokes when |
| 4321 | the normal layout translates alphabetic |
| 4322 | characters to non-ascii characters. */ |
| 4323 | if (!modifier_set (VK_SHIFT)) |
| 4324 | wParam += ('a' - 'A'); |
| 4325 | msg = WM_CHAR; |
| 4326 | } |
| 4327 | else |
| 4328 | { |
| 4329 | /* Try to handle other keystrokes by determining the |
| 4330 | base character (ie. translating the base key plus |
| 4331 | shift modifier). */ |
| 4332 | int add; |
| 4333 | int isdead = 0; |
| 4334 | KEY_EVENT_RECORD key; |
| 4335 | |
| 4336 | key.bKeyDown = TRUE; |
| 4337 | key.wRepeatCount = 1; |
| 4338 | key.wVirtualKeyCode = wParam; |
| 4339 | key.wVirtualScanCode = (lParam & 0xFF0000) >> 16; |
| 4340 | key.uChar.AsciiChar = 0; |
| 4341 | key.dwControlKeyState = modifiers; |
| 4342 | |
| 4343 | add = w32_kbd_patch_key (&key); |
| 4344 | /* 0 means an unrecognised keycode, negative means |
| 4345 | dead key. Ignore both. */ |
| 4346 | while (--add >= 0) |
| 4347 | { |
| 4348 | /* Forward asciified character sequence. */ |
| 4349 | post_character_message |
| 4350 | (hwnd, WM_CHAR, key.uChar.AsciiChar, lParam, |
| 4351 | w32_get_key_modifiers (wParam, lParam)); |
| 4352 | w32_kbd_patch_key (&key); |
| 4353 | } |
| 4354 | return 0; |
| 4355 | } |
| 4356 | } |
| 4357 | else |
| 4358 | { |
| 4359 | /* Let TranslateMessage handle everything else. */ |
| 4360 | windows_translate = 1; |
| 4361 | } |
| 4362 | } |
| 4363 | } |
| 4364 | |
| 4365 | translate: |
| 4366 | if (windows_translate) |
| 4367 | { |
| 4368 | MSG windows_msg = { hwnd, msg, wParam, lParam, 0, {0,0} }; |
| 4369 | |
| 4370 | windows_msg.time = GetMessageTime (); |
| 4371 | TranslateMessage (&windows_msg); |
| 4372 | goto dflt; |
| 4373 | } |
| 4374 | |
| 4375 | /* Fall through */ |
| 4376 | |
| 4377 | case WM_SYSCHAR: |
| 4378 | case WM_CHAR: |
| 4379 | post_character_message (hwnd, msg, wParam, lParam, |
| 4380 | w32_get_key_modifiers (wParam, lParam)); |
| 4381 | break; |
| 4382 | |
| 4383 | /* Simulate middle mouse button events when left and right buttons |
| 4384 | are used together, but only if user has two button mouse. */ |
| 4385 | case WM_LBUTTONDOWN: |
| 4386 | case WM_RBUTTONDOWN: |
| 4387 | if (XINT (Vw32_num_mouse_buttons) > 2) |
| 4388 | goto handle_plain_button; |
| 4389 | |
| 4390 | { |
| 4391 | int this = (msg == WM_LBUTTONDOWN) ? LMOUSE : RMOUSE; |
| 4392 | int other = (msg == WM_LBUTTONDOWN) ? RMOUSE : LMOUSE; |
| 4393 | |
| 4394 | if (button_state & this) |
| 4395 | return 0; |
| 4396 | |
| 4397 | if (button_state == 0) |
| 4398 | SetCapture (hwnd); |
| 4399 | |
| 4400 | button_state |= this; |
| 4401 | |
| 4402 | if (button_state & other) |
| 4403 | { |
| 4404 | if (mouse_button_timer) |
| 4405 | { |
| 4406 | KillTimer (hwnd, mouse_button_timer); |
| 4407 | mouse_button_timer = 0; |
| 4408 | |
| 4409 | /* Generate middle mouse event instead. */ |
| 4410 | msg = WM_MBUTTONDOWN; |
| 4411 | button_state |= MMOUSE; |
| 4412 | } |
| 4413 | else if (button_state & MMOUSE) |
| 4414 | { |
| 4415 | /* Ignore button event if we've already generated a |
| 4416 | middle mouse down event. This happens if the |
| 4417 | user releases and press one of the two buttons |
| 4418 | after we've faked a middle mouse event. */ |
| 4419 | return 0; |
| 4420 | } |
| 4421 | else |
| 4422 | { |
| 4423 | /* Flush out saved message. */ |
| 4424 | post_msg (&saved_mouse_button_msg); |
| 4425 | } |
| 4426 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4427 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4428 | |
| 4429 | /* Clear message buffer. */ |
| 4430 | saved_mouse_button_msg.msg.hwnd = 0; |
| 4431 | } |
| 4432 | else |
| 4433 | { |
| 4434 | /* Hold onto message for now. */ |
| 4435 | mouse_button_timer = |
| 4436 | SetTimer (hwnd, MOUSE_BUTTON_ID, |
| 4437 | XINT (Vw32_mouse_button_tolerance), NULL); |
| 4438 | saved_mouse_button_msg.msg.hwnd = hwnd; |
| 4439 | saved_mouse_button_msg.msg.message = msg; |
| 4440 | saved_mouse_button_msg.msg.wParam = wParam; |
| 4441 | saved_mouse_button_msg.msg.lParam = lParam; |
| 4442 | saved_mouse_button_msg.msg.time = GetMessageTime (); |
| 4443 | saved_mouse_button_msg.dwModifiers = w32_get_modifiers (); |
| 4444 | } |
| 4445 | } |
| 4446 | return 0; |
| 4447 | |
| 4448 | case WM_LBUTTONUP: |
| 4449 | case WM_RBUTTONUP: |
| 4450 | if (XINT (Vw32_num_mouse_buttons) > 2) |
| 4451 | goto handle_plain_button; |
| 4452 | |
| 4453 | { |
| 4454 | int this = (msg == WM_LBUTTONUP) ? LMOUSE : RMOUSE; |
| 4455 | int other = (msg == WM_LBUTTONUP) ? RMOUSE : LMOUSE; |
| 4456 | |
| 4457 | if ((button_state & this) == 0) |
| 4458 | return 0; |
| 4459 | |
| 4460 | button_state &= ~this; |
| 4461 | |
| 4462 | if (button_state & MMOUSE) |
| 4463 | { |
| 4464 | /* Only generate event when second button is released. */ |
| 4465 | if ((button_state & other) == 0) |
| 4466 | { |
| 4467 | msg = WM_MBUTTONUP; |
| 4468 | button_state &= ~MMOUSE; |
| 4469 | |
| 4470 | if (button_state) abort (); |
| 4471 | } |
| 4472 | else |
| 4473 | return 0; |
| 4474 | } |
| 4475 | else |
| 4476 | { |
| 4477 | /* Flush out saved message if necessary. */ |
| 4478 | if (saved_mouse_button_msg.msg.hwnd) |
| 4479 | { |
| 4480 | post_msg (&saved_mouse_button_msg); |
| 4481 | } |
| 4482 | } |
| 4483 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4484 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4485 | |
| 4486 | /* Always clear message buffer and cancel timer. */ |
| 4487 | saved_mouse_button_msg.msg.hwnd = 0; |
| 4488 | KillTimer (hwnd, mouse_button_timer); |
| 4489 | mouse_button_timer = 0; |
| 4490 | |
| 4491 | if (button_state == 0) |
| 4492 | ReleaseCapture (); |
| 4493 | } |
| 4494 | return 0; |
| 4495 | |
| 4496 | case WM_MBUTTONDOWN: |
| 4497 | case WM_MBUTTONUP: |
| 4498 | handle_plain_button: |
| 4499 | { |
| 4500 | BOOL up; |
| 4501 | int button; |
| 4502 | |
| 4503 | if (parse_button (msg, &button, &up)) |
| 4504 | { |
| 4505 | if (up) ReleaseCapture (); |
| 4506 | else SetCapture (hwnd); |
| 4507 | button = (button == 0) ? LMOUSE : |
| 4508 | ((button == 1) ? MMOUSE : RMOUSE); |
| 4509 | if (up) |
| 4510 | button_state &= ~button; |
| 4511 | else |
| 4512 | button_state |= button; |
| 4513 | } |
| 4514 | } |
| 4515 | |
| 4516 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4517 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4518 | return 0; |
| 4519 | |
| 4520 | case WM_VSCROLL: |
| 4521 | case WM_MOUSEMOVE: |
| 4522 | if (XINT (Vw32_mouse_move_interval) <= 0 |
| 4523 | || (msg == WM_MOUSEMOVE && button_state == 0)) |
| 4524 | { |
| 4525 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4526 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4527 | return 0; |
| 4528 | } |
| 4529 | |
| 4530 | /* Hang onto mouse move and scroll messages for a bit, to avoid |
| 4531 | sending such events to Emacs faster than it can process them. |
| 4532 | If we get more events before the timer from the first message |
| 4533 | expires, we just replace the first message. */ |
| 4534 | |
| 4535 | if (saved_mouse_move_msg.msg.hwnd == 0) |
| 4536 | mouse_move_timer = |
| 4537 | SetTimer (hwnd, MOUSE_MOVE_ID, |
| 4538 | XINT (Vw32_mouse_move_interval), NULL); |
| 4539 | |
| 4540 | /* Hold onto message for now. */ |
| 4541 | saved_mouse_move_msg.msg.hwnd = hwnd; |
| 4542 | saved_mouse_move_msg.msg.message = msg; |
| 4543 | saved_mouse_move_msg.msg.wParam = wParam; |
| 4544 | saved_mouse_move_msg.msg.lParam = lParam; |
| 4545 | saved_mouse_move_msg.msg.time = GetMessageTime (); |
| 4546 | saved_mouse_move_msg.dwModifiers = w32_get_modifiers (); |
| 4547 | |
| 4548 | return 0; |
| 4549 | |
| 4550 | case WM_MOUSEWHEEL: |
| 4551 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4552 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4553 | return 0; |
| 4554 | |
| 4555 | case WM_DROPFILES: |
| 4556 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4557 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4558 | return 0; |
| 4559 | |
| 4560 | case WM_TIMER: |
| 4561 | /* Flush out saved messages if necessary. */ |
| 4562 | if (wParam == mouse_button_timer) |
| 4563 | { |
| 4564 | if (saved_mouse_button_msg.msg.hwnd) |
| 4565 | { |
| 4566 | post_msg (&saved_mouse_button_msg); |
| 4567 | saved_mouse_button_msg.msg.hwnd = 0; |
| 4568 | } |
| 4569 | KillTimer (hwnd, mouse_button_timer); |
| 4570 | mouse_button_timer = 0; |
| 4571 | } |
| 4572 | else if (wParam == mouse_move_timer) |
| 4573 | { |
| 4574 | if (saved_mouse_move_msg.msg.hwnd) |
| 4575 | { |
| 4576 | post_msg (&saved_mouse_move_msg); |
| 4577 | saved_mouse_move_msg.msg.hwnd = 0; |
| 4578 | } |
| 4579 | KillTimer (hwnd, mouse_move_timer); |
| 4580 | mouse_move_timer = 0; |
| 4581 | } |
| 4582 | return 0; |
| 4583 | |
| 4584 | case WM_NCACTIVATE: |
| 4585 | /* Windows doesn't send us focus messages when putting up and |
| 4586 | taking down a system popup dialog as for Ctrl-Alt-Del on Windows 95. |
| 4587 | The only indication we get that something happened is receiving |
| 4588 | this message afterwards. So this is a good time to reset our |
| 4589 | keyboard modifiers' state. */ |
| 4590 | reset_modifiers (); |
| 4591 | goto dflt; |
| 4592 | |
| 4593 | case WM_INITMENU: |
| 4594 | button_state = 0; |
| 4595 | ReleaseCapture (); |
| 4596 | /* We must ensure menu bar is fully constructed and up to date |
| 4597 | before allowing user interaction with it. To achieve this |
| 4598 | we send this message to the lisp thread and wait for a |
| 4599 | reply (whose value is not actually needed) to indicate that |
| 4600 | the menu bar is now ready for use, so we can now return. |
| 4601 | |
| 4602 | To remain responsive in the meantime, we enter a nested message |
| 4603 | loop that can process all other messages. |
| 4604 | |
| 4605 | However, we skip all this if the message results from calling |
| 4606 | TrackPopupMenu - in fact, we must NOT attempt to send the lisp |
| 4607 | thread a message because it is blocked on us at this point. We |
| 4608 | set menubar_active before calling TrackPopupMenu to indicate |
| 4609 | this (there is no possibility of confusion with real menubar |
| 4610 | being active). */ |
| 4611 | |
| 4612 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4613 | if (f |
| 4614 | && (f->output_data.w32->menubar_active |
| 4615 | /* We can receive this message even in the absence of a |
| 4616 | menubar (ie. when the system menu is activated) - in this |
| 4617 | case we do NOT want to forward the message, otherwise it |
| 4618 | will cause the menubar to suddenly appear when the user |
| 4619 | had requested it to be turned off! */ |
| 4620 | || f->output_data.w32->menubar_widget == NULL)) |
| 4621 | return 0; |
| 4622 | |
| 4623 | { |
| 4624 | deferred_msg msg_buf; |
| 4625 | |
| 4626 | /* Detect if message has already been deferred; in this case |
| 4627 | we cannot return any sensible value to ignore this. */ |
| 4628 | if (find_deferred_msg (hwnd, msg) != NULL) |
| 4629 | abort (); |
| 4630 | |
| 4631 | return send_deferred_msg (&msg_buf, hwnd, msg, wParam, lParam); |
| 4632 | } |
| 4633 | |
| 4634 | case WM_EXITMENULOOP: |
| 4635 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4636 | |
| 4637 | /* Indicate that menubar can be modified again. */ |
| 4638 | if (f) |
| 4639 | f->output_data.w32->menubar_active = 0; |
| 4640 | goto dflt; |
| 4641 | |
| 4642 | case WM_MENUSELECT: |
| 4643 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4644 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4645 | return 0; |
| 4646 | |
| 4647 | case WM_MEASUREITEM: |
| 4648 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4649 | if (f) |
| 4650 | { |
| 4651 | MEASUREITEMSTRUCT * pMis = (MEASUREITEMSTRUCT *) lParam; |
| 4652 | |
| 4653 | if (pMis->CtlType == ODT_MENU) |
| 4654 | { |
| 4655 | /* Work out dimensions for popup menu titles. */ |
| 4656 | char * title = (char *) pMis->itemData; |
| 4657 | HDC hdc = GetDC (hwnd); |
| 4658 | HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT); |
| 4659 | LOGFONT menu_logfont; |
| 4660 | HFONT old_font; |
| 4661 | SIZE size; |
| 4662 | |
| 4663 | GetObject (menu_font, sizeof (menu_logfont), &menu_logfont); |
| 4664 | menu_logfont.lfWeight = FW_BOLD; |
| 4665 | menu_font = CreateFontIndirect (&menu_logfont); |
| 4666 | old_font = SelectObject (hdc, menu_font); |
| 4667 | |
| 4668 | pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE); |
| 4669 | if (title) |
| 4670 | { |
| 4671 | GetTextExtentPoint32 (hdc, title, strlen (title), &size); |
| 4672 | pMis->itemWidth = size.cx; |
| 4673 | if (pMis->itemHeight < size.cy) |
| 4674 | pMis->itemHeight = size.cy; |
| 4675 | } |
| 4676 | else |
| 4677 | pMis->itemWidth = 0; |
| 4678 | |
| 4679 | SelectObject (hdc, old_font); |
| 4680 | DeleteObject (menu_font); |
| 4681 | ReleaseDC (hwnd, hdc); |
| 4682 | return TRUE; |
| 4683 | } |
| 4684 | } |
| 4685 | return 0; |
| 4686 | |
| 4687 | case WM_DRAWITEM: |
| 4688 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4689 | if (f) |
| 4690 | { |
| 4691 | DRAWITEMSTRUCT * pDis = (DRAWITEMSTRUCT *) lParam; |
| 4692 | |
| 4693 | if (pDis->CtlType == ODT_MENU) |
| 4694 | { |
| 4695 | /* Draw popup menu title. */ |
| 4696 | char * title = (char *) pDis->itemData; |
| 4697 | if (title) |
| 4698 | { |
| 4699 | HDC hdc = pDis->hDC; |
| 4700 | HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT); |
| 4701 | LOGFONT menu_logfont; |
| 4702 | HFONT old_font; |
| 4703 | |
| 4704 | GetObject (menu_font, sizeof (menu_logfont), &menu_logfont); |
| 4705 | menu_logfont.lfWeight = FW_BOLD; |
| 4706 | menu_font = CreateFontIndirect (&menu_logfont); |
| 4707 | old_font = SelectObject (hdc, menu_font); |
| 4708 | |
| 4709 | /* Always draw title as if not selected. */ |
| 4710 | ExtTextOut (hdc, |
| 4711 | pDis->rcItem.left |
| 4712 | + GetSystemMetrics (SM_CXMENUCHECK), |
| 4713 | pDis->rcItem.top, |
| 4714 | ETO_OPAQUE, &pDis->rcItem, |
| 4715 | title, strlen (title), NULL); |
| 4716 | |
| 4717 | SelectObject (hdc, old_font); |
| 4718 | DeleteObject (menu_font); |
| 4719 | } |
| 4720 | return TRUE; |
| 4721 | } |
| 4722 | } |
| 4723 | return 0; |
| 4724 | |
| 4725 | #if 0 |
| 4726 | /* Still not right - can't distinguish between clicks in the |
| 4727 | client area of the frame from clicks forwarded from the scroll |
| 4728 | bars - may have to hook WM_NCHITTEST to remember the mouse |
| 4729 | position and then check if it is in the client area ourselves. */ |
| 4730 | case WM_MOUSEACTIVATE: |
| 4731 | /* Discard the mouse click that activates a frame, allowing the |
| 4732 | user to click anywhere without changing point (or worse!). |
| 4733 | Don't eat mouse clicks on scrollbars though!! */ |
| 4734 | if (LOWORD (lParam) == HTCLIENT ) |
| 4735 | return MA_ACTIVATEANDEAT; |
| 4736 | goto dflt; |
| 4737 | #endif |
| 4738 | |
| 4739 | case WM_ACTIVATEAPP: |
| 4740 | case WM_ACTIVATE: |
| 4741 | case WM_WINDOWPOSCHANGED: |
| 4742 | case WM_SHOWWINDOW: |
| 4743 | /* Inform lisp thread that a frame might have just been obscured |
| 4744 | or exposed, so should recheck visibility of all frames. */ |
| 4745 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4746 | goto dflt; |
| 4747 | |
| 4748 | case WM_SETFOCUS: |
| 4749 | dpyinfo->faked_key = 0; |
| 4750 | reset_modifiers (); |
| 4751 | register_hot_keys (hwnd); |
| 4752 | goto command; |
| 4753 | case WM_KILLFOCUS: |
| 4754 | unregister_hot_keys (hwnd); |
| 4755 | button_state = 0; |
| 4756 | ReleaseCapture (); |
| 4757 | case WM_MOVE: |
| 4758 | case WM_SIZE: |
| 4759 | case WM_COMMAND: |
| 4760 | command: |
| 4761 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4762 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4763 | goto dflt; |
| 4764 | |
| 4765 | case WM_CLOSE: |
| 4766 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4767 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4768 | return 0; |
| 4769 | |
| 4770 | case WM_WINDOWPOSCHANGING: |
| 4771 | { |
| 4772 | WINDOWPLACEMENT wp; |
| 4773 | LPWINDOWPOS lppos = (WINDOWPOS *) lParam; |
| 4774 | |
| 4775 | wp.length = sizeof (WINDOWPLACEMENT); |
| 4776 | GetWindowPlacement (hwnd, &wp); |
| 4777 | |
| 4778 | if (wp.showCmd != SW_SHOWMINIMIZED && (lppos->flags & SWP_NOSIZE) == 0) |
| 4779 | { |
| 4780 | RECT rect; |
| 4781 | int wdiff; |
| 4782 | int hdiff; |
| 4783 | DWORD font_width; |
| 4784 | DWORD line_height; |
| 4785 | DWORD internal_border; |
| 4786 | DWORD scrollbar_extra; |
| 4787 | RECT wr; |
| 4788 | |
| 4789 | wp.length = sizeof(wp); |
| 4790 | GetWindowRect (hwnd, &wr); |
| 4791 | |
| 4792 | enter_crit (); |
| 4793 | |
| 4794 | font_width = GetWindowLong (hwnd, WND_FONTWIDTH_INDEX); |
| 4795 | line_height = GetWindowLong (hwnd, WND_LINEHEIGHT_INDEX); |
| 4796 | internal_border = GetWindowLong (hwnd, WND_BORDER_INDEX); |
| 4797 | scrollbar_extra = GetWindowLong (hwnd, WND_SCROLLBAR_INDEX); |
| 4798 | |
| 4799 | leave_crit (); |
| 4800 | |
| 4801 | memset (&rect, 0, sizeof (rect)); |
| 4802 | AdjustWindowRect (&rect, GetWindowLong (hwnd, GWL_STYLE), |
| 4803 | GetMenu (hwnd) != NULL); |
| 4804 | |
| 4805 | /* Force width and height of client area to be exact |
| 4806 | multiples of the character cell dimensions. */ |
| 4807 | wdiff = (lppos->cx - (rect.right - rect.left) |
| 4808 | - 2 * internal_border - scrollbar_extra) |
| 4809 | % font_width; |
| 4810 | hdiff = (lppos->cy - (rect.bottom - rect.top) |
| 4811 | - 2 * internal_border) |
| 4812 | % line_height; |
| 4813 | |
| 4814 | if (wdiff || hdiff) |
| 4815 | { |
| 4816 | /* For right/bottom sizing we can just fix the sizes. |
| 4817 | However for top/left sizing we will need to fix the X |
| 4818 | and Y positions as well. */ |
| 4819 | |
| 4820 | lppos->cx -= wdiff; |
| 4821 | lppos->cy -= hdiff; |
| 4822 | |
| 4823 | if (wp.showCmd != SW_SHOWMAXIMIZED |
| 4824 | && (lppos->flags & SWP_NOMOVE) == 0) |
| 4825 | { |
| 4826 | if (lppos->x != wr.left || lppos->y != wr.top) |
| 4827 | { |
| 4828 | lppos->x += wdiff; |
| 4829 | lppos->y += hdiff; |
| 4830 | } |
| 4831 | else |
| 4832 | { |
| 4833 | lppos->flags |= SWP_NOMOVE; |
| 4834 | } |
| 4835 | } |
| 4836 | |
| 4837 | return 0; |
| 4838 | } |
| 4839 | } |
| 4840 | } |
| 4841 | |
| 4842 | goto dflt; |
| 4843 | |
| 4844 | case WM_GETMINMAXINFO: |
| 4845 | /* Hack to correct bug that allows Emacs frames to be resized |
| 4846 | below the Minimum Tracking Size. */ |
| 4847 | ((LPMINMAXINFO) lParam)->ptMinTrackSize.y++; |
| 4848 | return 0; |
| 4849 | |
| 4850 | case WM_EMACS_CREATESCROLLBAR: |
| 4851 | return (LRESULT) w32_createscrollbar ((struct frame *) wParam, |
| 4852 | (struct scroll_bar *) lParam); |
| 4853 | |
| 4854 | case WM_EMACS_SHOWWINDOW: |
| 4855 | return ShowWindow ((HWND) wParam, (WPARAM) lParam); |
| 4856 | |
| 4857 | case WM_EMACS_SETFOREGROUND: |
| 4858 | { |
| 4859 | HWND foreground_window; |
| 4860 | DWORD foreground_thread, retval; |
| 4861 | |
| 4862 | /* On NT 5.0, and apparently Windows 98, it is necessary to |
| 4863 | attach to the thread that currently has focus in order to |
| 4864 | pull the focus away from it. */ |
| 4865 | foreground_window = GetForegroundWindow (); |
| 4866 | foreground_thread = GetWindowThreadProcessId (foreground_window, NULL); |
| 4867 | if (!foreground_window |
| 4868 | || foreground_thread == GetCurrentThreadId () |
| 4869 | || !AttachThreadInput (GetCurrentThreadId (), |
| 4870 | foreground_thread, TRUE)) |
| 4871 | foreground_thread = 0; |
| 4872 | |
| 4873 | retval = SetForegroundWindow ((HWND) wParam); |
| 4874 | |
| 4875 | /* Detach from the previous foreground thread. */ |
| 4876 | if (foreground_thread) |
| 4877 | AttachThreadInput (GetCurrentThreadId (), |
| 4878 | foreground_thread, FALSE); |
| 4879 | |
| 4880 | return retval; |
| 4881 | } |
| 4882 | |
| 4883 | case WM_EMACS_SETWINDOWPOS: |
| 4884 | { |
| 4885 | WINDOWPOS * pos = (WINDOWPOS *) wParam; |
| 4886 | return SetWindowPos (hwnd, pos->hwndInsertAfter, |
| 4887 | pos->x, pos->y, pos->cx, pos->cy, pos->flags); |
| 4888 | } |
| 4889 | |
| 4890 | case WM_EMACS_DESTROYWINDOW: |
| 4891 | DragAcceptFiles ((HWND) wParam, FALSE); |
| 4892 | return DestroyWindow ((HWND) wParam); |
| 4893 | |
| 4894 | case WM_EMACS_TRACKPOPUPMENU: |
| 4895 | { |
| 4896 | UINT flags; |
| 4897 | POINT *pos; |
| 4898 | int retval; |
| 4899 | pos = (POINT *)lParam; |
| 4900 | flags = TPM_CENTERALIGN; |
| 4901 | if (button_state & LMOUSE) |
| 4902 | flags |= TPM_LEFTBUTTON; |
| 4903 | else if (button_state & RMOUSE) |
| 4904 | flags |= TPM_RIGHTBUTTON; |
| 4905 | |
| 4906 | /* Remember we did a SetCapture on the initial mouse down event, |
| 4907 | so for safety, we make sure the capture is cancelled now. */ |
| 4908 | ReleaseCapture (); |
| 4909 | button_state = 0; |
| 4910 | |
| 4911 | /* Use menubar_active to indicate that WM_INITMENU is from |
| 4912 | TrackPopupMenu below, and should be ignored. */ |
| 4913 | f = x_window_to_frame (dpyinfo, hwnd); |
| 4914 | if (f) |
| 4915 | f->output_data.w32->menubar_active = 1; |
| 4916 | |
| 4917 | if (TrackPopupMenu ((HMENU)wParam, flags, pos->x, pos->y, |
| 4918 | 0, hwnd, NULL)) |
| 4919 | { |
| 4920 | MSG amsg; |
| 4921 | /* Eat any mouse messages during popupmenu */ |
| 4922 | while (PeekMessage (&amsg, hwnd, WM_MOUSEFIRST, WM_MOUSELAST, |
| 4923 | PM_REMOVE)); |
| 4924 | /* Get the menu selection, if any */ |
| 4925 | if (PeekMessage (&amsg, hwnd, WM_COMMAND, WM_COMMAND, PM_REMOVE)) |
| 4926 | { |
| 4927 | retval = LOWORD (amsg.wParam); |
| 4928 | } |
| 4929 | else |
| 4930 | { |
| 4931 | retval = 0; |
| 4932 | } |
| 4933 | } |
| 4934 | else |
| 4935 | { |
| 4936 | retval = -1; |
| 4937 | } |
| 4938 | |
| 4939 | return retval; |
| 4940 | } |
| 4941 | |
| 4942 | default: |
| 4943 | /* Check for messages registered at runtime. */ |
| 4944 | if (msg == msh_mousewheel) |
| 4945 | { |
| 4946 | wmsg.dwModifiers = w32_get_modifiers (); |
| 4947 | my_post_msg (&wmsg, hwnd, msg, wParam, lParam); |
| 4948 | return 0; |
| 4949 | } |
| 4950 | |
| 4951 | dflt: |
| 4952 | return DefWindowProc (hwnd, msg, wParam, lParam); |
| 4953 | } |
| 4954 | |
| 4955 | |
| 4956 | /* The most common default return code for handled messages is 0. */ |
| 4957 | return 0; |
| 4958 | } |
| 4959 | |
| 4960 | void |
| 4961 | my_create_window (f) |
| 4962 | struct frame * f; |
| 4963 | { |
| 4964 | MSG msg; |
| 4965 | |
| 4966 | if (!PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0)) |
| 4967 | abort (); |
| 4968 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 4969 | } |
| 4970 | |
| 4971 | /* Create and set up the w32 window for frame F. */ |
| 4972 | |
| 4973 | static void |
| 4974 | w32_window (f, window_prompting, minibuffer_only) |
| 4975 | struct frame *f; |
| 4976 | long window_prompting; |
| 4977 | int minibuffer_only; |
| 4978 | { |
| 4979 | BLOCK_INPUT; |
| 4980 | |
| 4981 | /* Use the resource name as the top-level window name |
| 4982 | for looking up resources. Make a non-Lisp copy |
| 4983 | for the window manager, so GC relocation won't bother it. |
| 4984 | |
| 4985 | Elsewhere we specify the window name for the window manager. */ |
| 4986 | |
| 4987 | { |
| 4988 | char *str = (char *) XSTRING (Vx_resource_name)->data; |
| 4989 | f->namebuf = (char *) xmalloc (strlen (str) + 1); |
| 4990 | strcpy (f->namebuf, str); |
| 4991 | } |
| 4992 | |
| 4993 | my_create_window (f); |
| 4994 | |
| 4995 | validate_x_resource_name (); |
| 4996 | |
| 4997 | /* x_set_name normally ignores requests to set the name if the |
| 4998 | requested name is the same as the current name. This is the one |
| 4999 | place where that assumption isn't correct; f->name is set, but |
| 5000 | the server hasn't been told. */ |
| 5001 | { |
| 5002 | Lisp_Object name; |
| 5003 | int explicit = f->explicit_name; |
| 5004 | |
| 5005 | f->explicit_name = 0; |
| 5006 | name = f->name; |
| 5007 | f->name = Qnil; |
| 5008 | x_set_name (f, name, explicit); |
| 5009 | } |
| 5010 | |
| 5011 | UNBLOCK_INPUT; |
| 5012 | |
| 5013 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) |
| 5014 | initialize_frame_menubar (f); |
| 5015 | |
| 5016 | if (FRAME_W32_WINDOW (f) == 0) |
| 5017 | error ("Unable to create window"); |
| 5018 | } |
| 5019 | |
| 5020 | /* Handle the icon stuff for this window. Perhaps later we might |
| 5021 | want an x_set_icon_position which can be called interactively as |
| 5022 | well. */ |
| 5023 | |
| 5024 | static void |
| 5025 | x_icon (f, parms) |
| 5026 | struct frame *f; |
| 5027 | Lisp_Object parms; |
| 5028 | { |
| 5029 | Lisp_Object icon_x, icon_y; |
| 5030 | |
| 5031 | /* Set the position of the icon. Note that Windows 95 groups all |
| 5032 | icons in the tray. */ |
| 5033 | icon_x = w32_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
| 5034 | icon_y = w32_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); |
| 5035 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
| 5036 | { |
| 5037 | CHECK_NUMBER (icon_x, 0); |
| 5038 | CHECK_NUMBER (icon_y, 0); |
| 5039 | } |
| 5040 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
| 5041 | error ("Both left and top icon corners of icon must be specified"); |
| 5042 | |
| 5043 | BLOCK_INPUT; |
| 5044 | |
| 5045 | if (! EQ (icon_x, Qunbound)) |
| 5046 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); |
| 5047 | |
| 5048 | #if 0 /* TODO */ |
| 5049 | /* Start up iconic or window? */ |
| 5050 | x_wm_set_window_state |
| 5051 | (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon) |
| 5052 | ? IconicState |
| 5053 | : NormalState)); |
| 5054 | |
| 5055 | x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) |
| 5056 | ? f->icon_name |
| 5057 | : f->name))->data); |
| 5058 | #endif |
| 5059 | |
| 5060 | UNBLOCK_INPUT; |
| 5061 | } |
| 5062 | |
| 5063 | |
| 5064 | static void |
| 5065 | x_make_gc (f) |
| 5066 | struct frame *f; |
| 5067 | { |
| 5068 | XGCValues gc_values; |
| 5069 | |
| 5070 | BLOCK_INPUT; |
| 5071 | |
| 5072 | /* Create the GC's of this frame. |
| 5073 | Note that many default values are used. */ |
| 5074 | |
| 5075 | /* Normal video */ |
| 5076 | gc_values.font = f->output_data.w32->font; |
| 5077 | |
| 5078 | /* Cursor has cursor-color background, background-color foreground. */ |
| 5079 | gc_values.foreground = FRAME_BACKGROUND_PIXEL (f); |
| 5080 | gc_values.background = f->output_data.w32->cursor_pixel; |
| 5081 | f->output_data.w32->cursor_gc |
| 5082 | = XCreateGC (NULL, FRAME_W32_WINDOW (f), |
| 5083 | (GCFont | GCForeground | GCBackground), |
| 5084 | &gc_values); |
| 5085 | |
| 5086 | /* Reliefs. */ |
| 5087 | f->output_data.w32->white_relief.gc = 0; |
| 5088 | f->output_data.w32->black_relief.gc = 0; |
| 5089 | |
| 5090 | UNBLOCK_INPUT; |
| 5091 | } |
| 5092 | |
| 5093 | |
| 5094 | /* Handler for signals raised during x_create_frame and |
| 5095 | x_create_top_frame. FRAME is the frame which is partially |
| 5096 | constructed. */ |
| 5097 | |
| 5098 | static Lisp_Object |
| 5099 | unwind_create_frame (frame) |
| 5100 | Lisp_Object frame; |
| 5101 | { |
| 5102 | struct frame *f = XFRAME (frame); |
| 5103 | |
| 5104 | /* If frame is ``official'', nothing to do. */ |
| 5105 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) |
| 5106 | { |
| 5107 | #ifdef GLYPH_DEBUG |
| 5108 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 5109 | #endif |
| 5110 | |
| 5111 | x_free_frame_resources (f); |
| 5112 | |
| 5113 | /* Check that reference counts are indeed correct. */ |
| 5114 | xassert (dpyinfo->reference_count == dpyinfo_refcount); |
| 5115 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); |
| 5116 | |
| 5117 | return Qt; |
| 5118 | } |
| 5119 | |
| 5120 | return Qnil; |
| 5121 | } |
| 5122 | |
| 5123 | |
| 5124 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
| 5125 | 1, 1, 0, |
| 5126 | "Make a new window, which is called a \"frame\" in Emacs terms.\n\ |
| 5127 | Returns an Emacs frame object.\n\ |
| 5128 | ALIST is an alist of frame parameters.\n\ |
| 5129 | If the parameters specify that the frame should not have a minibuffer,\n\ |
| 5130 | and do not specify a specific minibuffer window to use,\n\ |
| 5131 | then `default-minibuffer-frame' must be a frame whose minibuffer can\n\ |
| 5132 | be shared by the new frame.\n\ |
| 5133 | \n\ |
| 5134 | This function is an internal primitive--use `make-frame' instead.") |
| 5135 | (parms) |
| 5136 | Lisp_Object parms; |
| 5137 | { |
| 5138 | struct frame *f; |
| 5139 | Lisp_Object frame, tem; |
| 5140 | Lisp_Object name; |
| 5141 | int minibuffer_only = 0; |
| 5142 | long window_prompting = 0; |
| 5143 | int width, height; |
| 5144 | int count = BINDING_STACK_SIZE (); |
| 5145 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 5146 | Lisp_Object display; |
| 5147 | struct w32_display_info *dpyinfo = NULL; |
| 5148 | Lisp_Object parent; |
| 5149 | struct kboard *kb; |
| 5150 | |
| 5151 | check_w32 (); |
| 5152 | |
| 5153 | /* Use this general default value to start with |
| 5154 | until we know if this frame has a specified name. */ |
| 5155 | Vx_resource_name = Vinvocation_name; |
| 5156 | |
| 5157 | display = w32_get_arg (parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
| 5158 | if (EQ (display, Qunbound)) |
| 5159 | display = Qnil; |
| 5160 | dpyinfo = check_x_display_info (display); |
| 5161 | #ifdef MULTI_KBOARD |
| 5162 | kb = dpyinfo->kboard; |
| 5163 | #else |
| 5164 | kb = &the_only_kboard; |
| 5165 | #endif |
| 5166 | |
| 5167 | name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING); |
| 5168 | if (!STRINGP (name) |
| 5169 | && ! EQ (name, Qunbound) |
| 5170 | && ! NILP (name)) |
| 5171 | error ("Invalid frame name--not a string or nil"); |
| 5172 | |
| 5173 | if (STRINGP (name)) |
| 5174 | Vx_resource_name = name; |
| 5175 | |
| 5176 | /* See if parent window is specified. */ |
| 5177 | parent = w32_get_arg (parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
| 5178 | if (EQ (parent, Qunbound)) |
| 5179 | parent = Qnil; |
| 5180 | if (! NILP (parent)) |
| 5181 | CHECK_NUMBER (parent, 0); |
| 5182 | |
| 5183 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
| 5184 | /* No need to protect DISPLAY because that's not used after passing |
| 5185 | it to make_frame_without_minibuffer. */ |
| 5186 | frame = Qnil; |
| 5187 | GCPRO4 (parms, parent, name, frame); |
| 5188 | tem = w32_get_arg (parms, Qminibuffer, "minibuffer", "Minibuffer", |
| 5189 | RES_TYPE_SYMBOL); |
| 5190 | if (EQ (tem, Qnone) || NILP (tem)) |
| 5191 | f = make_frame_without_minibuffer (Qnil, kb, display); |
| 5192 | else if (EQ (tem, Qonly)) |
| 5193 | { |
| 5194 | f = make_minibuffer_frame (); |
| 5195 | minibuffer_only = 1; |
| 5196 | } |
| 5197 | else if (WINDOWP (tem)) |
| 5198 | f = make_frame_without_minibuffer (tem, kb, display); |
| 5199 | else |
| 5200 | f = make_frame (1); |
| 5201 | |
| 5202 | XSETFRAME (frame, f); |
| 5203 | |
| 5204 | /* Note that Windows does support scroll bars. */ |
| 5205 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; |
| 5206 | /* By default, make scrollbars the system standard width. */ |
| 5207 | f->scroll_bar_pixel_width = GetSystemMetrics (SM_CXVSCROLL); |
| 5208 | |
| 5209 | f->output_method = output_w32; |
| 5210 | f->output_data.w32 = |
| 5211 | (struct w32_output *) xmalloc (sizeof (struct w32_output)); |
| 5212 | bzero (f->output_data.w32, sizeof (struct w32_output)); |
| 5213 | FRAME_FONTSET (f) = -1; |
| 5214 | record_unwind_protect (unwind_create_frame, frame); |
| 5215 | |
| 5216 | f->icon_name |
| 5217 | = w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING); |
| 5218 | if (! STRINGP (f->icon_name)) |
| 5219 | f->icon_name = Qnil; |
| 5220 | |
| 5221 | /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */ |
| 5222 | #ifdef MULTI_KBOARD |
| 5223 | FRAME_KBOARD (f) = kb; |
| 5224 | #endif |
| 5225 | |
| 5226 | /* Specify the parent under which to make this window. */ |
| 5227 | |
| 5228 | if (!NILP (parent)) |
| 5229 | { |
| 5230 | f->output_data.w32->parent_desc = (Window) XFASTINT (parent); |
| 5231 | f->output_data.w32->explicit_parent = 1; |
| 5232 | } |
| 5233 | else |
| 5234 | { |
| 5235 | f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; |
| 5236 | f->output_data.w32->explicit_parent = 0; |
| 5237 | } |
| 5238 | |
| 5239 | /* Set the name; the functions to which we pass f expect the name to |
| 5240 | be set. */ |
| 5241 | if (EQ (name, Qunbound) || NILP (name)) |
| 5242 | { |
| 5243 | f->name = build_string (dpyinfo->w32_id_name); |
| 5244 | f->explicit_name = 0; |
| 5245 | } |
| 5246 | else |
| 5247 | { |
| 5248 | f->name = name; |
| 5249 | f->explicit_name = 1; |
| 5250 | /* use the frame's title when getting resources for this frame. */ |
| 5251 | specbind (Qx_resource_name, name); |
| 5252 | } |
| 5253 | |
| 5254 | /* Extract the window parameters from the supplied values |
| 5255 | that are needed to determine window geometry. */ |
| 5256 | { |
| 5257 | Lisp_Object font; |
| 5258 | |
| 5259 | font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING); |
| 5260 | |
| 5261 | BLOCK_INPUT; |
| 5262 | /* First, try whatever font the caller has specified. */ |
| 5263 | if (STRINGP (font)) |
| 5264 | { |
| 5265 | tem = Fquery_fontset (font, Qnil); |
| 5266 | if (STRINGP (tem)) |
| 5267 | font = x_new_fontset (f, XSTRING (tem)->data); |
| 5268 | else |
| 5269 | font = x_new_font (f, XSTRING (font)->data); |
| 5270 | } |
| 5271 | /* Try out a font which we hope has bold and italic variations. */ |
| 5272 | if (!STRINGP (font)) |
| 5273 | font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1"); |
| 5274 | if (! STRINGP (font)) |
| 5275 | font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1"); |
| 5276 | /* If those didn't work, look for something which will at least work. */ |
| 5277 | if (! STRINGP (font)) |
| 5278 | font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1"); |
| 5279 | UNBLOCK_INPUT; |
| 5280 | if (! STRINGP (font)) |
| 5281 | font = build_string ("Fixedsys"); |
| 5282 | |
| 5283 | x_default_parameter (f, parms, Qfont, font, |
| 5284 | "font", "Font", RES_TYPE_STRING); |
| 5285 | } |
| 5286 | |
| 5287 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
| 5288 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
| 5289 | /* This defaults to 2 in order to match xterm. We recognize either |
| 5290 | internalBorderWidth or internalBorder (which is what xterm calls |
| 5291 | it). */ |
| 5292 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 5293 | { |
| 5294 | Lisp_Object value; |
| 5295 | |
| 5296 | value = w32_get_arg (parms, Qinternal_border_width, |
| 5297 | "internalBorder", "InternalBorder", RES_TYPE_NUMBER); |
| 5298 | if (! EQ (value, Qunbound)) |
| 5299 | parms = Fcons (Fcons (Qinternal_border_width, value), |
| 5300 | parms); |
| 5301 | } |
| 5302 | /* Default internalBorderWidth to 0 on Windows to match other programs. */ |
| 5303 | x_default_parameter (f, parms, Qinternal_border_width, make_number (0), |
| 5304 | "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER); |
| 5305 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qright, |
| 5306 | "verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL); |
| 5307 | |
| 5308 | /* Also do the stuff which must be set before the window exists. */ |
| 5309 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
| 5310 | "foreground", "Foreground", RES_TYPE_STRING); |
| 5311 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
| 5312 | "background", "Background", RES_TYPE_STRING); |
| 5313 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
| 5314 | "pointerColor", "Foreground", RES_TYPE_STRING); |
| 5315 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
| 5316 | "cursorColor", "Foreground", RES_TYPE_STRING); |
| 5317 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
| 5318 | "borderColor", "BorderColor", RES_TYPE_STRING); |
| 5319 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
| 5320 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); |
| 5321 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
| 5322 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); |
| 5323 | |
| 5324 | |
| 5325 | /* Init faces before x_default_parameter is called for scroll-bar |
| 5326 | parameters because that function calls x_set_scroll_bar_width, |
| 5327 | which calls change_frame_size, which calls Fset_window_buffer, |
| 5328 | which runs hooks, which call Fvertical_motion. At the end, we |
| 5329 | end up in init_iterator with a null face cache, which should not |
| 5330 | happen. */ |
| 5331 | init_frame_faces (f); |
| 5332 | |
| 5333 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
| 5334 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
| 5335 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (0), |
| 5336 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
| 5337 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
| 5338 | "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL); |
| 5339 | x_default_parameter (f, parms, Qtitle, Qnil, |
| 5340 | "title", "Title", RES_TYPE_STRING); |
| 5341 | |
| 5342 | f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW; |
| 5343 | f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; |
| 5344 | window_prompting = x_figure_window_size (f, parms); |
| 5345 | |
| 5346 | if (window_prompting & XNegative) |
| 5347 | { |
| 5348 | if (window_prompting & YNegative) |
| 5349 | f->output_data.w32->win_gravity = SouthEastGravity; |
| 5350 | else |
| 5351 | f->output_data.w32->win_gravity = NorthEastGravity; |
| 5352 | } |
| 5353 | else |
| 5354 | { |
| 5355 | if (window_prompting & YNegative) |
| 5356 | f->output_data.w32->win_gravity = SouthWestGravity; |
| 5357 | else |
| 5358 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 5359 | } |
| 5360 | |
| 5361 | f->output_data.w32->size_hint_flags = window_prompting; |
| 5362 | |
| 5363 | tem = w32_get_arg (parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
| 5364 | f->no_split = minibuffer_only || EQ (tem, Qt); |
| 5365 | |
| 5366 | /* Create the window. Add the tool-bar height to the initial frame |
| 5367 | height so that the user gets a text display area of the size he |
| 5368 | specified with -g or via the registry. Later changes of the |
| 5369 | tool-bar height don't change the frame size. This is done so that |
| 5370 | users can create tall Emacs frames without having to guess how |
| 5371 | tall the tool-bar will get. */ |
| 5372 | f->height += FRAME_TOOL_BAR_LINES (f); |
| 5373 | w32_window (f, window_prompting, minibuffer_only); |
| 5374 | x_icon (f, parms); |
| 5375 | |
| 5376 | x_make_gc (f); |
| 5377 | |
| 5378 | /* Now consider the frame official. */ |
| 5379 | FRAME_W32_DISPLAY_INFO (f)->reference_count++; |
| 5380 | Vframe_list = Fcons (frame, Vframe_list); |
| 5381 | |
| 5382 | /* We need to do this after creating the window, so that the |
| 5383 | icon-creation functions can say whose icon they're describing. */ |
| 5384 | x_default_parameter (f, parms, Qicon_type, Qnil, |
| 5385 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
| 5386 | |
| 5387 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
| 5388 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 5389 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
| 5390 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 5391 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
| 5392 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
| 5393 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
| 5394 | "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER); |
| 5395 | |
| 5396 | /* Dimensions, especially f->height, must be done via change_frame_size. |
| 5397 | Change will not be effected unless different from the current |
| 5398 | f->height. */ |
| 5399 | width = f->width; |
| 5400 | height = f->height; |
| 5401 | |
| 5402 | /* Add the tool-bar height to the initial frame height so that the |
| 5403 | user gets a text display area of the size he specified with -g or |
| 5404 | via .Xdefaults. Later changes of the tool-bar height don't |
| 5405 | change the frame size. This is done so that users can create |
| 5406 | tall Emacs frames without having to guess how tall the tool-bar |
| 5407 | will get. */ |
| 5408 | if (FRAME_TOOL_BAR_LINES (f)) |
| 5409 | { |
| 5410 | int margin, relief, bar_height; |
| 5411 | |
| 5412 | relief = (tool_bar_button_relief > 0 |
| 5413 | ? tool_bar_button_relief |
| 5414 | : DEFAULT_TOOL_BAR_BUTTON_RELIEF); |
| 5415 | |
| 5416 | if (INTEGERP (Vtool_bar_button_margin) |
| 5417 | && XINT (Vtool_bar_button_margin) > 0) |
| 5418 | margin = XFASTINT (Vtool_bar_button_margin); |
| 5419 | else if (CONSP (Vtool_bar_button_margin) |
| 5420 | && INTEGERP (XCDR (Vtool_bar_button_margin)) |
| 5421 | && XINT (XCDR (Vtool_bar_button_margin)) > 0) |
| 5422 | margin = XFASTINT (XCDR (Vtool_bar_button_margin)); |
| 5423 | else |
| 5424 | margin = 0; |
| 5425 | |
| 5426 | bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief; |
| 5427 | height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f); |
| 5428 | } |
| 5429 | |
| 5430 | f->height = 0; |
| 5431 | SET_FRAME_WIDTH (f, 0); |
| 5432 | change_frame_size (f, height, width, 1, 0, 0); |
| 5433 | |
| 5434 | /* Tell the server what size and position, etc, we want, and how |
| 5435 | badly we want them. This should be done after we have the menu |
| 5436 | bar so that its size can be taken into account. */ |
| 5437 | BLOCK_INPUT; |
| 5438 | x_wm_set_size_hint (f, window_prompting, 0); |
| 5439 | UNBLOCK_INPUT; |
| 5440 | |
| 5441 | /* Set up faces after all frame parameters are known. This call |
| 5442 | also merges in face attributes specified for new frames. If we |
| 5443 | don't do this, the `menu' face for instance won't have the right |
| 5444 | colors, and the menu bar won't appear in the specified colors for |
| 5445 | new frames. */ |
| 5446 | call1 (Qface_set_after_frame_default, frame); |
| 5447 | |
| 5448 | /* Make the window appear on the frame and enable display, unless |
| 5449 | the caller says not to. However, with explicit parent, Emacs |
| 5450 | cannot control visibility, so don't try. */ |
| 5451 | if (! f->output_data.w32->explicit_parent) |
| 5452 | { |
| 5453 | Lisp_Object visibility; |
| 5454 | |
| 5455 | visibility = w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL); |
| 5456 | if (EQ (visibility, Qunbound)) |
| 5457 | visibility = Qt; |
| 5458 | |
| 5459 | if (EQ (visibility, Qicon)) |
| 5460 | x_iconify_frame (f); |
| 5461 | else if (! NILP (visibility)) |
| 5462 | x_make_frame_visible (f); |
| 5463 | else |
| 5464 | /* Must have been Qnil. */ |
| 5465 | ; |
| 5466 | } |
| 5467 | UNGCPRO; |
| 5468 | return unbind_to (count, frame); |
| 5469 | } |
| 5470 | |
| 5471 | /* FRAME is used only to get a handle on the X display. We don't pass the |
| 5472 | display info directly because we're called from frame.c, which doesn't |
| 5473 | know about that structure. */ |
| 5474 | Lisp_Object |
| 5475 | x_get_focus_frame (frame) |
| 5476 | struct frame *frame; |
| 5477 | { |
| 5478 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (frame); |
| 5479 | Lisp_Object xfocus; |
| 5480 | if (! dpyinfo->w32_focus_frame) |
| 5481 | return Qnil; |
| 5482 | |
| 5483 | XSETFRAME (xfocus, dpyinfo->w32_focus_frame); |
| 5484 | return xfocus; |
| 5485 | } |
| 5486 | |
| 5487 | DEFUN ("w32-focus-frame", Fw32_focus_frame, Sw32_focus_frame, 1, 1, 0, |
| 5488 | "Give FRAME input focus, raising to foreground if necessary.") |
| 5489 | (frame) |
| 5490 | Lisp_Object frame; |
| 5491 | { |
| 5492 | x_focus_on_frame (check_x_frame (frame)); |
| 5493 | return Qnil; |
| 5494 | } |
| 5495 | |
| 5496 | \f |
| 5497 | /* Return the charset portion of a font name. */ |
| 5498 | char * xlfd_charset_of_font (char * fontname) |
| 5499 | { |
| 5500 | char *charset, *encoding; |
| 5501 | |
| 5502 | encoding = strrchr(fontname, '-'); |
| 5503 | if (!encoding || encoding == fontname) |
| 5504 | return NULL; |
| 5505 | |
| 5506 | for (charset = encoding - 1; charset >= fontname; charset--) |
| 5507 | if (*charset == '-') |
| 5508 | break; |
| 5509 | |
| 5510 | if (charset == fontname || strcmp(charset, "-*-*") == 0) |
| 5511 | return NULL; |
| 5512 | |
| 5513 | return charset + 1; |
| 5514 | } |
| 5515 | |
| 5516 | struct font_info *w32_load_bdf_font (struct frame *f, char *fontname, |
| 5517 | int size, char* filename); |
| 5518 | static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names); |
| 5519 | BOOL w32_to_x_font (LOGFONT * lplf, char * lpxstr, int len, char * charset); |
| 5520 | |
| 5521 | static struct font_info * |
| 5522 | w32_load_system_font (f,fontname,size) |
| 5523 | struct frame *f; |
| 5524 | char * fontname; |
| 5525 | int size; |
| 5526 | { |
| 5527 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
| 5528 | Lisp_Object font_names; |
| 5529 | |
| 5530 | /* Get a list of all the fonts that match this name. Once we |
| 5531 | have a list of matching fonts, we compare them against the fonts |
| 5532 | we already have loaded by comparing names. */ |
| 5533 | font_names = w32_list_fonts (f, build_string (fontname), size, 100); |
| 5534 | |
| 5535 | if (!NILP (font_names)) |
| 5536 | { |
| 5537 | Lisp_Object tail; |
| 5538 | int i; |
| 5539 | |
| 5540 | /* First check if any are already loaded, as that is cheaper |
| 5541 | than loading another one. */ |
| 5542 | for (i = 0; i < dpyinfo->n_fonts; i++) |
| 5543 | for (tail = font_names; CONSP (tail); tail = XCDR (tail)) |
| 5544 | if (dpyinfo->font_table[i].name |
| 5545 | && (!strcmp (dpyinfo->font_table[i].name, |
| 5546 | XSTRING (XCAR (tail))->data) |
| 5547 | || !strcmp (dpyinfo->font_table[i].full_name, |
| 5548 | XSTRING (XCAR (tail))->data))) |
| 5549 | return (dpyinfo->font_table + i); |
| 5550 | |
| 5551 | fontname = (char *) XSTRING (XCAR (font_names))->data; |
| 5552 | } |
| 5553 | else if (w32_strict_fontnames) |
| 5554 | { |
| 5555 | /* If EnumFontFamiliesEx was available, we got a full list of |
| 5556 | fonts back so stop now to avoid the possibility of loading a |
| 5557 | random font. If we had to fall back to EnumFontFamilies, the |
| 5558 | list is incomplete, so continue whether the font we want was |
| 5559 | listed or not. */ |
| 5560 | HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); |
| 5561 | FARPROC enum_font_families_ex |
| 5562 | = GetProcAddress (gdi32, "EnumFontFamiliesExA"); |
| 5563 | if (enum_font_families_ex) |
| 5564 | return NULL; |
| 5565 | } |
| 5566 | |
| 5567 | /* Load the font and add it to the table. */ |
| 5568 | { |
| 5569 | char *full_name, *encoding, *charset; |
| 5570 | XFontStruct *font; |
| 5571 | struct font_info *fontp; |
| 5572 | LOGFONT lf; |
| 5573 | BOOL ok; |
| 5574 | int i; |
| 5575 | |
| 5576 | if (!fontname || !x_to_w32_font (fontname, &lf)) |
| 5577 | return (NULL); |
| 5578 | |
| 5579 | if (!*lf.lfFaceName) |
| 5580 | /* If no name was specified for the font, we get a random font |
| 5581 | from CreateFontIndirect - this is not particularly |
| 5582 | desirable, especially since CreateFontIndirect does not |
| 5583 | fill out the missing name in lf, so we never know what we |
| 5584 | ended up with. */ |
| 5585 | return NULL; |
| 5586 | |
| 5587 | font = (XFontStruct *) xmalloc (sizeof (XFontStruct)); |
| 5588 | bzero (font, sizeof (*font)); |
| 5589 | |
| 5590 | /* Set bdf to NULL to indicate that this is a Windows font. */ |
| 5591 | font->bdf = NULL; |
| 5592 | |
| 5593 | BLOCK_INPUT; |
| 5594 | |
| 5595 | font->hfont = CreateFontIndirect (&lf); |
| 5596 | |
| 5597 | if (font->hfont == NULL) |
| 5598 | { |
| 5599 | ok = FALSE; |
| 5600 | } |
| 5601 | else |
| 5602 | { |
| 5603 | HDC hdc; |
| 5604 | HANDLE oldobj; |
| 5605 | int codepage = w32_codepage_for_font (fontname); |
| 5606 | |
| 5607 | hdc = GetDC (dpyinfo->root_window); |
| 5608 | oldobj = SelectObject (hdc, font->hfont); |
| 5609 | |
| 5610 | ok = GetTextMetrics (hdc, &font->tm); |
| 5611 | if (codepage == CP_UNICODE) |
| 5612 | font->double_byte_p = 1; |
| 5613 | else |
| 5614 | font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS; |
| 5615 | |
| 5616 | SelectObject (hdc, oldobj); |
| 5617 | ReleaseDC (dpyinfo->root_window, hdc); |
| 5618 | /* Fill out details in lf according to the font that was |
| 5619 | actually loaded. */ |
| 5620 | lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight; |
| 5621 | lf.lfWidth = font->tm.tmAveCharWidth; |
| 5622 | lf.lfWeight = font->tm.tmWeight; |
| 5623 | lf.lfItalic = font->tm.tmItalic; |
| 5624 | lf.lfCharSet = font->tm.tmCharSet; |
| 5625 | lf.lfPitchAndFamily = ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) |
| 5626 | ? VARIABLE_PITCH : FIXED_PITCH); |
| 5627 | lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR) |
| 5628 | ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS); |
| 5629 | |
| 5630 | w32_cache_char_metrics (font); |
| 5631 | } |
| 5632 | |
| 5633 | UNBLOCK_INPUT; |
| 5634 | |
| 5635 | if (!ok) |
| 5636 | { |
| 5637 | w32_unload_font (dpyinfo, font); |
| 5638 | return (NULL); |
| 5639 | } |
| 5640 | |
| 5641 | /* Find a free slot in the font table. */ |
| 5642 | for (i = 0; i < dpyinfo->n_fonts; ++i) |
| 5643 | if (dpyinfo->font_table[i].name == NULL) |
| 5644 | break; |
| 5645 | |
| 5646 | /* If no free slot found, maybe enlarge the font table. */ |
| 5647 | if (i == dpyinfo->n_fonts |
| 5648 | && dpyinfo->n_fonts == dpyinfo->font_table_size) |
| 5649 | { |
| 5650 | int sz; |
| 5651 | dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); |
| 5652 | sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; |
| 5653 | dpyinfo->font_table |
| 5654 | = (struct font_info *) xrealloc (dpyinfo->font_table, sz); |
| 5655 | } |
| 5656 | |
| 5657 | fontp = dpyinfo->font_table + i; |
| 5658 | if (i == dpyinfo->n_fonts) |
| 5659 | ++dpyinfo->n_fonts; |
| 5660 | |
| 5661 | /* Now fill in the slots of *FONTP. */ |
| 5662 | BLOCK_INPUT; |
| 5663 | fontp->font = font; |
| 5664 | fontp->font_idx = i; |
| 5665 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); |
| 5666 | bcopy (fontname, fontp->name, strlen (fontname) + 1); |
| 5667 | |
| 5668 | charset = xlfd_charset_of_font (fontname); |
| 5669 | |
| 5670 | /* Work out the font's full name. */ |
| 5671 | full_name = (char *)xmalloc (100); |
| 5672 | if (full_name && w32_to_x_font (&lf, full_name, 100, charset)) |
| 5673 | fontp->full_name = full_name; |
| 5674 | else |
| 5675 | { |
| 5676 | /* If all else fails - just use the name we used to load it. */ |
| 5677 | xfree (full_name); |
| 5678 | fontp->full_name = fontp->name; |
| 5679 | } |
| 5680 | |
| 5681 | fontp->size = FONT_WIDTH (font); |
| 5682 | fontp->height = FONT_HEIGHT (font); |
| 5683 | |
| 5684 | /* The slot `encoding' specifies how to map a character |
| 5685 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to |
| 5686 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or |
| 5687 | (0:0x20..0x7F, 1:0xA0..0xFF, |
| 5688 | (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, |
| 5689 | 2:0xA020..0xFF7F). For the moment, we don't know which charset |
| 5690 | uses this font. So, we set information in fontp->encoding[1] |
| 5691 | which is never used by any charset. If mapping can't be |
| 5692 | decided, set FONT_ENCODING_NOT_DECIDED. */ |
| 5693 | |
| 5694 | /* SJIS fonts need to be set to type 4, all others seem to work as |
| 5695 | type FONT_ENCODING_NOT_DECIDED. */ |
| 5696 | encoding = strrchr (fontp->name, '-'); |
| 5697 | if (encoding && stricmp (encoding+1, "sjis") == 0) |
| 5698 | fontp->encoding[1] = 4; |
| 5699 | else |
| 5700 | fontp->encoding[1] = FONT_ENCODING_NOT_DECIDED; |
| 5701 | |
| 5702 | /* The following three values are set to 0 under W32, which is |
| 5703 | what they get set to if XGetFontProperty fails under X. */ |
| 5704 | fontp->baseline_offset = 0; |
| 5705 | fontp->relative_compose = 0; |
| 5706 | fontp->default_ascent = 0; |
| 5707 | |
| 5708 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
| 5709 | has a character with a smaller width than any other character |
| 5710 | before, or if the font loaded has a smalle>r height than any |
| 5711 | other font loaded before. If this happens, it will make a |
| 5712 | glyph matrix reallocation necessary. */ |
| 5713 | fonts_changed_p = x_compute_min_glyph_bounds (f); |
| 5714 | UNBLOCK_INPUT; |
| 5715 | return fontp; |
| 5716 | } |
| 5717 | } |
| 5718 | |
| 5719 | /* Load font named FONTNAME of size SIZE for frame F, and return a |
| 5720 | pointer to the structure font_info while allocating it dynamically. |
| 5721 | If loading fails, return NULL. */ |
| 5722 | struct font_info * |
| 5723 | w32_load_font (f,fontname,size) |
| 5724 | struct frame *f; |
| 5725 | char * fontname; |
| 5726 | int size; |
| 5727 | { |
| 5728 | Lisp_Object bdf_fonts; |
| 5729 | struct font_info *retval = NULL; |
| 5730 | |
| 5731 | bdf_fonts = w32_list_bdf_fonts (build_string (fontname), 1); |
| 5732 | |
| 5733 | while (!retval && CONSP (bdf_fonts)) |
| 5734 | { |
| 5735 | char *bdf_name, *bdf_file; |
| 5736 | Lisp_Object bdf_pair; |
| 5737 | |
| 5738 | bdf_name = XSTRING (XCAR (bdf_fonts))->data; |
| 5739 | bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist); |
| 5740 | bdf_file = XSTRING (XCDR (bdf_pair))->data; |
| 5741 | |
| 5742 | retval = w32_load_bdf_font (f, bdf_name, size, bdf_file); |
| 5743 | |
| 5744 | bdf_fonts = XCDR (bdf_fonts); |
| 5745 | } |
| 5746 | |
| 5747 | if (retval) |
| 5748 | return retval; |
| 5749 | |
| 5750 | return w32_load_system_font(f, fontname, size); |
| 5751 | } |
| 5752 | |
| 5753 | |
| 5754 | void |
| 5755 | w32_unload_font (dpyinfo, font) |
| 5756 | struct w32_display_info *dpyinfo; |
| 5757 | XFontStruct * font; |
| 5758 | { |
| 5759 | if (font) |
| 5760 | { |
| 5761 | if (font->per_char) xfree (font->per_char); |
| 5762 | if (font->bdf) w32_free_bdf_font (font->bdf); |
| 5763 | |
| 5764 | if (font->hfont) DeleteObject(font->hfont); |
| 5765 | xfree (font); |
| 5766 | } |
| 5767 | } |
| 5768 | |
| 5769 | /* The font conversion stuff between x and w32 */ |
| 5770 | |
| 5771 | /* X font string is as follows (from faces.el) |
| 5772 | * (let ((- "[-?]") |
| 5773 | * (foundry "[^-]+") |
| 5774 | * (family "[^-]+") |
| 5775 | * (weight "\\(bold\\|demibold\\|medium\\)") ; 1 |
| 5776 | * (weight\? "\\([^-]*\\)") ; 1 |
| 5777 | * (slant "\\([ior]\\)") ; 2 |
| 5778 | * (slant\? "\\([^-]?\\)") ; 2 |
| 5779 | * (swidth "\\([^-]*\\)") ; 3 |
| 5780 | * (adstyle "[^-]*") ; 4 |
| 5781 | * (pixelsize "[0-9]+") |
| 5782 | * (pointsize "[0-9][0-9]+") |
| 5783 | * (resx "[0-9][0-9]+") |
| 5784 | * (resy "[0-9][0-9]+") |
| 5785 | * (spacing "[cmp?*]") |
| 5786 | * (avgwidth "[0-9]+") |
| 5787 | * (registry "[^-]+") |
| 5788 | * (encoding "[^-]+") |
| 5789 | * ) |
| 5790 | */ |
| 5791 | |
| 5792 | static LONG |
| 5793 | x_to_w32_weight (lpw) |
| 5794 | char * lpw; |
| 5795 | { |
| 5796 | if (!lpw) return (FW_DONTCARE); |
| 5797 | |
| 5798 | if (stricmp (lpw,"heavy") == 0) return FW_HEAVY; |
| 5799 | else if (stricmp (lpw,"extrabold") == 0) return FW_EXTRABOLD; |
| 5800 | else if (stricmp (lpw,"bold") == 0) return FW_BOLD; |
| 5801 | else if (stricmp (lpw,"demibold") == 0) return FW_SEMIBOLD; |
| 5802 | else if (stricmp (lpw,"semibold") == 0) return FW_SEMIBOLD; |
| 5803 | else if (stricmp (lpw,"medium") == 0) return FW_MEDIUM; |
| 5804 | else if (stricmp (lpw,"normal") == 0) return FW_NORMAL; |
| 5805 | else if (stricmp (lpw,"light") == 0) return FW_LIGHT; |
| 5806 | else if (stricmp (lpw,"extralight") == 0) return FW_EXTRALIGHT; |
| 5807 | else if (stricmp (lpw,"thin") == 0) return FW_THIN; |
| 5808 | else |
| 5809 | return FW_DONTCARE; |
| 5810 | } |
| 5811 | |
| 5812 | |
| 5813 | static char * |
| 5814 | w32_to_x_weight (fnweight) |
| 5815 | int fnweight; |
| 5816 | { |
| 5817 | if (fnweight >= FW_HEAVY) return "heavy"; |
| 5818 | if (fnweight >= FW_EXTRABOLD) return "extrabold"; |
| 5819 | if (fnweight >= FW_BOLD) return "bold"; |
| 5820 | if (fnweight >= FW_SEMIBOLD) return "demibold"; |
| 5821 | if (fnweight >= FW_MEDIUM) return "medium"; |
| 5822 | if (fnweight >= FW_NORMAL) return "normal"; |
| 5823 | if (fnweight >= FW_LIGHT) return "light"; |
| 5824 | if (fnweight >= FW_EXTRALIGHT) return "extralight"; |
| 5825 | if (fnweight >= FW_THIN) return "thin"; |
| 5826 | else |
| 5827 | return "*"; |
| 5828 | } |
| 5829 | |
| 5830 | static LONG |
| 5831 | x_to_w32_charset (lpcs) |
| 5832 | char * lpcs; |
| 5833 | { |
| 5834 | Lisp_Object this_entry, w32_charset; |
| 5835 | |
| 5836 | /* Look through w32-charset-info-alist for the character set. |
| 5837 | Format of each entry is |
| 5838 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). |
| 5839 | */ |
| 5840 | this_entry = Fassoc (build_string(lpcs), Vw32_charset_info_alist); |
| 5841 | |
| 5842 | if (NILP(this_entry)) |
| 5843 | { |
| 5844 | /* At startup, we want iso8859-1 fonts to come up properly. */ |
| 5845 | if (stricmp(lpcs, "iso8859-1") == 0) |
| 5846 | return ANSI_CHARSET; |
| 5847 | else |
| 5848 | return DEFAULT_CHARSET; |
| 5849 | } |
| 5850 | |
| 5851 | w32_charset = Fcar (Fcdr (this_entry)); |
| 5852 | |
| 5853 | // Translate Lisp symbol to number. |
| 5854 | if (w32_charset == Qw32_charset_ansi) |
| 5855 | return ANSI_CHARSET; |
| 5856 | if (w32_charset == Qw32_charset_symbol) |
| 5857 | return SYMBOL_CHARSET; |
| 5858 | if (w32_charset == Qw32_charset_shiftjis) |
| 5859 | return SHIFTJIS_CHARSET; |
| 5860 | if (w32_charset == Qw32_charset_hangeul) |
| 5861 | return HANGEUL_CHARSET; |
| 5862 | if (w32_charset == Qw32_charset_chinesebig5) |
| 5863 | return CHINESEBIG5_CHARSET; |
| 5864 | if (w32_charset == Qw32_charset_gb2312) |
| 5865 | return GB2312_CHARSET; |
| 5866 | if (w32_charset == Qw32_charset_oem) |
| 5867 | return OEM_CHARSET; |
| 5868 | #ifdef JOHAB_CHARSET |
| 5869 | if (w32_charset == Qw32_charset_johab) |
| 5870 | return JOHAB_CHARSET; |
| 5871 | if (w32_charset == Qw32_charset_easteurope) |
| 5872 | return EASTEUROPE_CHARSET; |
| 5873 | if (w32_charset == Qw32_charset_turkish) |
| 5874 | return TURKISH_CHARSET; |
| 5875 | if (w32_charset == Qw32_charset_baltic) |
| 5876 | return BALTIC_CHARSET; |
| 5877 | if (w32_charset == Qw32_charset_russian) |
| 5878 | return RUSSIAN_CHARSET; |
| 5879 | if (w32_charset == Qw32_charset_arabic) |
| 5880 | return ARABIC_CHARSET; |
| 5881 | if (w32_charset == Qw32_charset_greek) |
| 5882 | return GREEK_CHARSET; |
| 5883 | if (w32_charset == Qw32_charset_hebrew) |
| 5884 | return HEBREW_CHARSET; |
| 5885 | if (w32_charset == Qw32_charset_vietnamese) |
| 5886 | return VIETNAMESE_CHARSET; |
| 5887 | if (w32_charset == Qw32_charset_thai) |
| 5888 | return THAI_CHARSET; |
| 5889 | if (w32_charset == Qw32_charset_mac) |
| 5890 | return MAC_CHARSET; |
| 5891 | #endif /* JOHAB_CHARSET */ |
| 5892 | #ifdef UNICODE_CHARSET |
| 5893 | if (w32_charset == Qw32_charset_unicode) |
| 5894 | return UNICODE_CHARSET; |
| 5895 | #endif |
| 5896 | |
| 5897 | return DEFAULT_CHARSET; |
| 5898 | } |
| 5899 | |
| 5900 | |
| 5901 | static char * |
| 5902 | w32_to_x_charset (fncharset) |
| 5903 | int fncharset; |
| 5904 | { |
| 5905 | static char buf[16]; |
| 5906 | Lisp_Object charset_type; |
| 5907 | |
| 5908 | switch (fncharset) |
| 5909 | { |
| 5910 | case ANSI_CHARSET: |
| 5911 | /* Handle startup case of w32-charset-info-alist not |
| 5912 | being set up yet. */ |
| 5913 | if (NILP(Vw32_charset_info_alist)) |
| 5914 | return "iso8859-1"; |
| 5915 | charset_type = Qw32_charset_ansi; |
| 5916 | break; |
| 5917 | case DEFAULT_CHARSET: |
| 5918 | charset_type = Qw32_charset_default; |
| 5919 | break; |
| 5920 | case SYMBOL_CHARSET: |
| 5921 | charset_type = Qw32_charset_symbol; |
| 5922 | break; |
| 5923 | case SHIFTJIS_CHARSET: |
| 5924 | charset_type = Qw32_charset_shiftjis; |
| 5925 | break; |
| 5926 | case HANGEUL_CHARSET: |
| 5927 | charset_type = Qw32_charset_hangeul; |
| 5928 | break; |
| 5929 | case GB2312_CHARSET: |
| 5930 | charset_type = Qw32_charset_gb2312; |
| 5931 | break; |
| 5932 | case CHINESEBIG5_CHARSET: |
| 5933 | charset_type = Qw32_charset_chinesebig5; |
| 5934 | break; |
| 5935 | case OEM_CHARSET: |
| 5936 | charset_type = Qw32_charset_oem; |
| 5937 | break; |
| 5938 | |
| 5939 | /* More recent versions of Windows (95 and NT4.0) define more |
| 5940 | character sets. */ |
| 5941 | #ifdef EASTEUROPE_CHARSET |
| 5942 | case EASTEUROPE_CHARSET: |
| 5943 | charset_type = Qw32_charset_easteurope; |
| 5944 | break; |
| 5945 | case TURKISH_CHARSET: |
| 5946 | charset_type = Qw32_charset_turkish; |
| 5947 | break; |
| 5948 | case BALTIC_CHARSET: |
| 5949 | charset_type = Qw32_charset_baltic; |
| 5950 | break; |
| 5951 | case RUSSIAN_CHARSET: |
| 5952 | charset_type = Qw32_charset_russian; |
| 5953 | break; |
| 5954 | case ARABIC_CHARSET: |
| 5955 | charset_type = Qw32_charset_arabic; |
| 5956 | break; |
| 5957 | case GREEK_CHARSET: |
| 5958 | charset_type = Qw32_charset_greek; |
| 5959 | break; |
| 5960 | case HEBREW_CHARSET: |
| 5961 | charset_type = Qw32_charset_hebrew; |
| 5962 | break; |
| 5963 | case VIETNAMESE_CHARSET: |
| 5964 | charset_type = Qw32_charset_vietnamese; |
| 5965 | break; |
| 5966 | case THAI_CHARSET: |
| 5967 | charset_type = Qw32_charset_thai; |
| 5968 | break; |
| 5969 | case MAC_CHARSET: |
| 5970 | charset_type = Qw32_charset_mac; |
| 5971 | break; |
| 5972 | case JOHAB_CHARSET: |
| 5973 | charset_type = Qw32_charset_johab; |
| 5974 | break; |
| 5975 | #endif |
| 5976 | |
| 5977 | #ifdef UNICODE_CHARSET |
| 5978 | case UNICODE_CHARSET: |
| 5979 | charset_type = Qw32_charset_unicode; |
| 5980 | break; |
| 5981 | #endif |
| 5982 | default: |
| 5983 | /* Encode numerical value of unknown charset. */ |
| 5984 | sprintf (buf, "*-#%u", fncharset); |
| 5985 | return buf; |
| 5986 | } |
| 5987 | |
| 5988 | { |
| 5989 | Lisp_Object rest; |
| 5990 | char * best_match = NULL; |
| 5991 | |
| 5992 | /* Look through w32-charset-info-alist for the character set. |
| 5993 | Prefer ISO codepages, and prefer lower numbers in the ISO |
| 5994 | range. Only return charsets for codepages which are installed. |
| 5995 | |
| 5996 | Format of each entry is |
| 5997 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). |
| 5998 | */ |
| 5999 | for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest)) |
| 6000 | { |
| 6001 | char * x_charset; |
| 6002 | Lisp_Object w32_charset; |
| 6003 | Lisp_Object codepage; |
| 6004 | |
| 6005 | Lisp_Object this_entry = XCAR (rest); |
| 6006 | |
| 6007 | /* Skip invalid entries in alist. */ |
| 6008 | if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry)) |
| 6009 | || !CONSP (XCDR (this_entry)) |
| 6010 | || !SYMBOLP (XCAR (XCDR (this_entry)))) |
| 6011 | continue; |
| 6012 | |
| 6013 | x_charset = XSTRING (XCAR (this_entry))->data; |
| 6014 | w32_charset = XCAR (XCDR (this_entry)); |
| 6015 | codepage = XCDR (XCDR (this_entry)); |
| 6016 | |
| 6017 | /* Look for Same charset and a valid codepage (or non-int |
| 6018 | which means ignore). */ |
| 6019 | if (w32_charset == charset_type |
| 6020 | && (!INTEGERP (codepage) || codepage == CP_DEFAULT |
| 6021 | || IsValidCodePage (XINT (codepage)))) |
| 6022 | { |
| 6023 | /* If we don't have a match already, then this is the |
| 6024 | best. */ |
| 6025 | if (!best_match) |
| 6026 | best_match = x_charset; |
| 6027 | /* If this is an ISO codepage, and the best so far isn't, |
| 6028 | then this is better. */ |
| 6029 | else if (stricmp (best_match, "iso") != 0 |
| 6030 | && stricmp (x_charset, "iso") == 0) |
| 6031 | best_match = x_charset; |
| 6032 | /* If both are ISO8859 codepages, choose the one with the |
| 6033 | lowest number in the encoding field. */ |
| 6034 | else if (stricmp (best_match, "iso8859-") == 0 |
| 6035 | && stricmp (x_charset, "iso8859-") == 0) |
| 6036 | { |
| 6037 | int best_enc = atoi (best_match + 8); |
| 6038 | int this_enc = atoi (x_charset + 8); |
| 6039 | if (this_enc > 0 && this_enc < best_enc) |
| 6040 | best_match = x_charset; |
| 6041 | } |
| 6042 | } |
| 6043 | } |
| 6044 | |
| 6045 | /* If no match, encode the numeric value. */ |
| 6046 | if (!best_match) |
| 6047 | { |
| 6048 | sprintf (buf, "*-#%u", fncharset); |
| 6049 | return buf; |
| 6050 | } |
| 6051 | |
| 6052 | strncpy(buf, best_match, 15); |
| 6053 | buf[15] = '\0'; |
| 6054 | return buf; |
| 6055 | } |
| 6056 | } |
| 6057 | |
| 6058 | |
| 6059 | /* Get the Windows codepage corresponding to the specified font. The |
| 6060 | charset info in the font name is used to look up |
| 6061 | w32-charset-to-codepage-alist. */ |
| 6062 | int |
| 6063 | w32_codepage_for_font (char *fontname) |
| 6064 | { |
| 6065 | Lisp_Object codepage, entry; |
| 6066 | char *charset_str, *charset, *end; |
| 6067 | |
| 6068 | if (NILP (Vw32_charset_info_alist)) |
| 6069 | return CP_DEFAULT; |
| 6070 | |
| 6071 | /* Extract charset part of font string. */ |
| 6072 | charset = xlfd_charset_of_font (fontname); |
| 6073 | |
| 6074 | if (!charset) |
| 6075 | return CP_UNKNOWN; |
| 6076 | |
| 6077 | charset_str = (char *) alloca (strlen (charset)); |
| 6078 | strcpy (charset_str, charset); |
| 6079 | |
| 6080 | /* Remove leading "*-". */ |
| 6081 | if (strncmp ("*-", charset_str, 2) == 0) |
| 6082 | charset = charset_str + 2; |
| 6083 | else |
| 6084 | charset = charset_str; |
| 6085 | |
| 6086 | /* Stop match at wildcard (including preceding '-'). */ |
| 6087 | if (end = strchr (charset, '*')) |
| 6088 | { |
| 6089 | if (end > charset && *(end-1) == '-') |
| 6090 | end--; |
| 6091 | *end = '\0'; |
| 6092 | } |
| 6093 | |
| 6094 | entry = Fassoc (build_string(charset), Vw32_charset_info_alist); |
| 6095 | if (NILP (entry)) |
| 6096 | return CP_UNKNOWN; |
| 6097 | |
| 6098 | codepage = Fcdr (Fcdr (entry)); |
| 6099 | |
| 6100 | if (NILP (codepage)) |
| 6101 | return CP_8BIT; |
| 6102 | else if (XFASTINT (codepage) == XFASTINT (Qt)) |
| 6103 | return CP_UNICODE; |
| 6104 | else if (INTEGERP (codepage)) |
| 6105 | return XINT (codepage); |
| 6106 | else |
| 6107 | return CP_UNKNOWN; |
| 6108 | } |
| 6109 | |
| 6110 | |
| 6111 | static BOOL |
| 6112 | w32_to_x_font (lplogfont, lpxstr, len, specific_charset) |
| 6113 | LOGFONT * lplogfont; |
| 6114 | char * lpxstr; |
| 6115 | int len; |
| 6116 | char * specific_charset; |
| 6117 | { |
| 6118 | char* fonttype; |
| 6119 | char *fontname; |
| 6120 | char height_pixels[8]; |
| 6121 | char height_dpi[8]; |
| 6122 | char width_pixels[8]; |
| 6123 | char *fontname_dash; |
| 6124 | int display_resy = one_w32_display_info.resy; |
| 6125 | int display_resx = one_w32_display_info.resx; |
| 6126 | int bufsz; |
| 6127 | struct coding_system coding; |
| 6128 | |
| 6129 | if (!lpxstr) abort (); |
| 6130 | |
| 6131 | if (!lplogfont) |
| 6132 | return FALSE; |
| 6133 | |
| 6134 | if (lplogfont->lfOutPrecision == OUT_STRING_PRECIS) |
| 6135 | fonttype = "raster"; |
| 6136 | else if (lplogfont->lfOutPrecision == OUT_STROKE_PRECIS) |
| 6137 | fonttype = "outline"; |
| 6138 | else |
| 6139 | fonttype = "unknown"; |
| 6140 | |
| 6141 | setup_coding_system (Fcheck_coding_system (Vw32_system_coding_system), |
| 6142 | &coding); |
| 6143 | coding.src_multibyte = 0; |
| 6144 | coding.dst_multibyte = 1; |
| 6145 | coding.mode |= CODING_MODE_LAST_BLOCK; |
| 6146 | bufsz = decoding_buffer_size (&coding, LF_FACESIZE); |
| 6147 | |
| 6148 | fontname = alloca(sizeof(*fontname) * bufsz); |
| 6149 | decode_coding (&coding, lplogfont->lfFaceName, fontname, |
| 6150 | strlen(lplogfont->lfFaceName), bufsz - 1); |
| 6151 | *(fontname + coding.produced) = '\0'; |
| 6152 | |
| 6153 | /* Replace dashes with underscores so the dashes are not |
| 6154 | misinterpreted. */ |
| 6155 | fontname_dash = fontname; |
| 6156 | while (fontname_dash = strchr (fontname_dash, '-')) |
| 6157 | *fontname_dash = '_'; |
| 6158 | |
| 6159 | if (lplogfont->lfHeight) |
| 6160 | { |
| 6161 | sprintf (height_pixels, "%u", abs (lplogfont->lfHeight)); |
| 6162 | sprintf (height_dpi, "%u", |
| 6163 | abs (lplogfont->lfHeight) * 720 / display_resy); |
| 6164 | } |
| 6165 | else |
| 6166 | { |
| 6167 | strcpy (height_pixels, "*"); |
| 6168 | strcpy (height_dpi, "*"); |
| 6169 | } |
| 6170 | if (lplogfont->lfWidth) |
| 6171 | sprintf (width_pixels, "%u", lplogfont->lfWidth * 10); |
| 6172 | else |
| 6173 | strcpy (width_pixels, "*"); |
| 6174 | |
| 6175 | _snprintf (lpxstr, len - 1, |
| 6176 | "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s", |
| 6177 | fonttype, /* foundry */ |
| 6178 | fontname, /* family */ |
| 6179 | w32_to_x_weight (lplogfont->lfWeight), /* weight */ |
| 6180 | lplogfont->lfItalic?'i':'r', /* slant */ |
| 6181 | /* setwidth name */ |
| 6182 | /* add style name */ |
| 6183 | height_pixels, /* pixel size */ |
| 6184 | height_dpi, /* point size */ |
| 6185 | display_resx, /* resx */ |
| 6186 | display_resy, /* resy */ |
| 6187 | ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH) |
| 6188 | ? 'p' : 'c', /* spacing */ |
| 6189 | width_pixels, /* avg width */ |
| 6190 | specific_charset ? specific_charset |
| 6191 | : w32_to_x_charset (lplogfont->lfCharSet) |
| 6192 | /* charset registry and encoding */ |
| 6193 | ); |
| 6194 | |
| 6195 | lpxstr[len - 1] = 0; /* just to be sure */ |
| 6196 | return (TRUE); |
| 6197 | } |
| 6198 | |
| 6199 | static BOOL |
| 6200 | x_to_w32_font (lpxstr, lplogfont) |
| 6201 | char * lpxstr; |
| 6202 | LOGFONT * lplogfont; |
| 6203 | { |
| 6204 | struct coding_system coding; |
| 6205 | |
| 6206 | if (!lplogfont) return (FALSE); |
| 6207 | |
| 6208 | memset (lplogfont, 0, sizeof (*lplogfont)); |
| 6209 | |
| 6210 | /* Set default value for each field. */ |
| 6211 | #if 1 |
| 6212 | lplogfont->lfOutPrecision = OUT_DEFAULT_PRECIS; |
| 6213 | lplogfont->lfClipPrecision = CLIP_DEFAULT_PRECIS; |
| 6214 | lplogfont->lfQuality = DEFAULT_QUALITY; |
| 6215 | #else |
| 6216 | /* go for maximum quality */ |
| 6217 | lplogfont->lfOutPrecision = OUT_STROKE_PRECIS; |
| 6218 | lplogfont->lfClipPrecision = CLIP_STROKE_PRECIS; |
| 6219 | lplogfont->lfQuality = PROOF_QUALITY; |
| 6220 | #endif |
| 6221 | |
| 6222 | lplogfont->lfCharSet = DEFAULT_CHARSET; |
| 6223 | lplogfont->lfWeight = FW_DONTCARE; |
| 6224 | lplogfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; |
| 6225 | |
| 6226 | if (!lpxstr) |
| 6227 | return FALSE; |
| 6228 | |
| 6229 | /* Provide a simple escape mechanism for specifying Windows font names |
| 6230 | * directly -- if font spec does not beginning with '-', assume this |
| 6231 | * format: |
| 6232 | * "<font name>[:height in pixels[:width in pixels[:weight]]]" |
| 6233 | */ |
| 6234 | |
| 6235 | if (*lpxstr == '-') |
| 6236 | { |
| 6237 | int fields, tem; |
| 6238 | char name[50], weight[20], slant, pitch, pixels[10], height[10], |
| 6239 | width[10], resy[10], remainder[20]; |
| 6240 | char * encoding; |
| 6241 | int dpi = one_w32_display_info.resy; |
| 6242 | |
| 6243 | fields = sscanf (lpxstr, |
| 6244 | "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%19s", |
| 6245 | name, weight, &slant, pixels, height, resy, &pitch, width, remainder); |
| 6246 | if (fields == EOF) return (FALSE); |
| 6247 | |
| 6248 | /* If wildcards cover more than one field, we don't know which |
| 6249 | field is which, so don't fill any in. */ |
| 6250 | |
| 6251 | if (fields < 9) |
| 6252 | fields = 0; |
| 6253 | |
| 6254 | if (fields > 0 && name[0] != '*') |
| 6255 | { |
| 6256 | int bufsize; |
| 6257 | unsigned char *buf; |
| 6258 | |
| 6259 | setup_coding_system |
| 6260 | (Fcheck_coding_system (Vw32_system_coding_system), &coding); |
| 6261 | coding.src_multibyte = 1; |
| 6262 | coding.dst_multibyte = 1; |
| 6263 | bufsize = encoding_buffer_size (&coding, strlen (name)); |
| 6264 | buf = (unsigned char *) alloca (bufsize); |
| 6265 | coding.mode |= CODING_MODE_LAST_BLOCK; |
| 6266 | encode_coding (&coding, name, buf, strlen (name), bufsize); |
| 6267 | if (coding.produced >= LF_FACESIZE) |
| 6268 | coding.produced = LF_FACESIZE - 1; |
| 6269 | buf[coding.produced] = 0; |
| 6270 | strcpy (lplogfont->lfFaceName, buf); |
| 6271 | } |
| 6272 | else |
| 6273 | { |
| 6274 | lplogfont->lfFaceName[0] = '\0'; |
| 6275 | } |
| 6276 | |
| 6277 | fields--; |
| 6278 | |
| 6279 | lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : "")); |
| 6280 | |
| 6281 | fields--; |
| 6282 | |
| 6283 | lplogfont->lfItalic = (fields > 0 && slant == 'i'); |
| 6284 | |
| 6285 | fields--; |
| 6286 | |
| 6287 | if (fields > 0 && pixels[0] != '*') |
| 6288 | lplogfont->lfHeight = atoi (pixels); |
| 6289 | |
| 6290 | fields--; |
| 6291 | fields--; |
| 6292 | if (fields > 0 && resy[0] != '*') |
| 6293 | { |
| 6294 | tem = atoi (resy); |
| 6295 | if (tem > 0) dpi = tem; |
| 6296 | } |
| 6297 | |
| 6298 | if (fields > -1 && lplogfont->lfHeight == 0 && height[0] != '*') |
| 6299 | lplogfont->lfHeight = atoi (height) * dpi / 720; |
| 6300 | |
| 6301 | if (fields > 0) |
| 6302 | lplogfont->lfPitchAndFamily = |
| 6303 | (fields > 0 && pitch == 'p') ? VARIABLE_PITCH : FIXED_PITCH; |
| 6304 | |
| 6305 | fields--; |
| 6306 | |
| 6307 | if (fields > 0 && width[0] != '*') |
| 6308 | lplogfont->lfWidth = atoi (width) / 10; |
| 6309 | |
| 6310 | fields--; |
| 6311 | |
| 6312 | /* Strip the trailing '-' if present. (it shouldn't be, as it |
| 6313 | fails the test against xlfd-tight-regexp in fontset.el). */ |
| 6314 | { |
| 6315 | int len = strlen (remainder); |
| 6316 | if (len > 0 && remainder[len-1] == '-') |
| 6317 | remainder[len-1] = 0; |
| 6318 | } |
| 6319 | encoding = remainder; |
| 6320 | if (strncmp (encoding, "*-", 2) == 0) |
| 6321 | encoding += 2; |
| 6322 | lplogfont->lfCharSet = x_to_w32_charset (fields > 0 ? encoding : ""); |
| 6323 | } |
| 6324 | else |
| 6325 | { |
| 6326 | int fields; |
| 6327 | char name[100], height[10], width[10], weight[20]; |
| 6328 | |
| 6329 | fields = sscanf (lpxstr, |
| 6330 | "%99[^:]:%9[^:]:%9[^:]:%19s", |
| 6331 | name, height, width, weight); |
| 6332 | |
| 6333 | if (fields == EOF) return (FALSE); |
| 6334 | |
| 6335 | if (fields > 0) |
| 6336 | { |
| 6337 | strncpy (lplogfont->lfFaceName,name, LF_FACESIZE); |
| 6338 | lplogfont->lfFaceName[LF_FACESIZE-1] = 0; |
| 6339 | } |
| 6340 | else |
| 6341 | { |
| 6342 | lplogfont->lfFaceName[0] = 0; |
| 6343 | } |
| 6344 | |
| 6345 | fields--; |
| 6346 | |
| 6347 | if (fields > 0) |
| 6348 | lplogfont->lfHeight = atoi (height); |
| 6349 | |
| 6350 | fields--; |
| 6351 | |
| 6352 | if (fields > 0) |
| 6353 | lplogfont->lfWidth = atoi (width); |
| 6354 | |
| 6355 | fields--; |
| 6356 | |
| 6357 | lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : "")); |
| 6358 | } |
| 6359 | |
| 6360 | /* This makes TrueType fonts work better. */ |
| 6361 | lplogfont->lfHeight = - abs (lplogfont->lfHeight); |
| 6362 | |
| 6363 | return (TRUE); |
| 6364 | } |
| 6365 | |
| 6366 | /* Strip the pixel height and point height from the given xlfd, and |
| 6367 | return the pixel height. If no pixel height is specified, calculate |
| 6368 | one from the point height, or if that isn't defined either, return |
| 6369 | 0 (which usually signifies a scalable font). |
| 6370 | */ |
| 6371 | static int |
| 6372 | xlfd_strip_height (char *fontname) |
| 6373 | { |
| 6374 | int pixel_height, field_number; |
| 6375 | char *read_from, *write_to; |
| 6376 | |
| 6377 | xassert (fontname); |
| 6378 | |
| 6379 | pixel_height = field_number = 0; |
| 6380 | write_to = NULL; |
| 6381 | |
| 6382 | /* Look for height fields. */ |
| 6383 | for (read_from = fontname; *read_from; read_from++) |
| 6384 | { |
| 6385 | if (*read_from == '-') |
| 6386 | { |
| 6387 | field_number++; |
| 6388 | if (field_number == 7) /* Pixel height. */ |
| 6389 | { |
| 6390 | read_from++; |
| 6391 | write_to = read_from; |
| 6392 | |
| 6393 | /* Find end of field. */ |
| 6394 | for (;*read_from && *read_from != '-'; read_from++) |
| 6395 | ; |
| 6396 | |
| 6397 | /* Split the fontname at end of field. */ |
| 6398 | if (*read_from) |
| 6399 | { |
| 6400 | *read_from = '\0'; |
| 6401 | read_from++; |
| 6402 | } |
| 6403 | pixel_height = atoi (write_to); |
| 6404 | /* Blank out field. */ |
| 6405 | if (read_from > write_to) |
| 6406 | { |
| 6407 | *write_to = '-'; |
| 6408 | write_to++; |
| 6409 | } |
| 6410 | /* If the pixel height field is at the end (partial xlfd), |
| 6411 | return now. */ |
| 6412 | else |
| 6413 | return pixel_height; |
| 6414 | |
| 6415 | /* If we got a pixel height, the point height can be |
| 6416 | ignored. Just blank it out and break now. */ |
| 6417 | if (pixel_height) |
| 6418 | { |
| 6419 | /* Find end of point size field. */ |
| 6420 | for (; *read_from && *read_from != '-'; read_from++) |
| 6421 | ; |
| 6422 | |
| 6423 | if (*read_from) |
| 6424 | read_from++; |
| 6425 | |
| 6426 | /* Blank out the point size field. */ |
| 6427 | if (read_from > write_to) |
| 6428 | { |
| 6429 | *write_to = '-'; |
| 6430 | write_to++; |
| 6431 | } |
| 6432 | else |
| 6433 | return pixel_height; |
| 6434 | |
| 6435 | break; |
| 6436 | } |
| 6437 | /* If the point height is already blank, break now. */ |
| 6438 | if (*read_from == '-') |
| 6439 | { |
| 6440 | read_from++; |
| 6441 | break; |
| 6442 | } |
| 6443 | } |
| 6444 | else if (field_number == 8) |
| 6445 | { |
| 6446 | /* If we didn't get a pixel height, try to get the point |
| 6447 | height and convert that. */ |
| 6448 | int point_size; |
| 6449 | char *point_size_start = read_from++; |
| 6450 | |
| 6451 | /* Find end of field. */ |
| 6452 | for (; *read_from && *read_from != '-'; read_from++) |
| 6453 | ; |
| 6454 | |
| 6455 | if (*read_from) |
| 6456 | { |
| 6457 | *read_from = '\0'; |
| 6458 | read_from++; |
| 6459 | } |
| 6460 | |
| 6461 | point_size = atoi (point_size_start); |
| 6462 | |
| 6463 | /* Convert to pixel height. */ |
| 6464 | pixel_height = point_size |
| 6465 | * one_w32_display_info.height_in / 720; |
| 6466 | |
| 6467 | /* Blank out this field and break. */ |
| 6468 | *write_to = '-'; |
| 6469 | write_to++; |
| 6470 | break; |
| 6471 | } |
| 6472 | } |
| 6473 | } |
| 6474 | |
| 6475 | /* Shift the rest of the font spec into place. */ |
| 6476 | if (write_to && read_from > write_to) |
| 6477 | { |
| 6478 | for (; *read_from; read_from++, write_to++) |
| 6479 | *write_to = *read_from; |
| 6480 | *write_to = '\0'; |
| 6481 | } |
| 6482 | |
| 6483 | return pixel_height; |
| 6484 | } |
| 6485 | |
| 6486 | /* Assume parameter 1 is fully qualified, no wildcards. */ |
| 6487 | static BOOL |
| 6488 | w32_font_match (fontname, pattern) |
| 6489 | char * fontname; |
| 6490 | char * pattern; |
| 6491 | { |
| 6492 | char *regex = alloca (strlen (pattern) * 2 + 3); |
| 6493 | char *font_name_copy = alloca (strlen (fontname) + 1); |
| 6494 | char *ptr; |
| 6495 | |
| 6496 | /* Copy fontname so we can modify it during comparison. */ |
| 6497 | strcpy (font_name_copy, fontname); |
| 6498 | |
| 6499 | ptr = regex; |
| 6500 | *ptr++ = '^'; |
| 6501 | |
| 6502 | /* Turn pattern into a regexp and do a regexp match. */ |
| 6503 | for (; *pattern; pattern++) |
| 6504 | { |
| 6505 | if (*pattern == '?') |
| 6506 | *ptr++ = '.'; |
| 6507 | else if (*pattern == '*') |
| 6508 | { |
| 6509 | *ptr++ = '.'; |
| 6510 | *ptr++ = '*'; |
| 6511 | } |
| 6512 | else |
| 6513 | *ptr++ = *pattern; |
| 6514 | } |
| 6515 | *ptr = '$'; |
| 6516 | *(ptr + 1) = '\0'; |
| 6517 | |
| 6518 | /* Strip out font heights and compare them seperately, since |
| 6519 | rounding error can cause mismatches. This also allows a |
| 6520 | comparison between a font that declares only a pixel height and a |
| 6521 | pattern that declares the point height. |
| 6522 | */ |
| 6523 | { |
| 6524 | int font_height, pattern_height; |
| 6525 | |
| 6526 | font_height = xlfd_strip_height (font_name_copy); |
| 6527 | pattern_height = xlfd_strip_height (regex); |
| 6528 | |
| 6529 | /* Compare now, and don't bother doing expensive regexp matching |
| 6530 | if the heights differ. */ |
| 6531 | if (font_height && pattern_height && (font_height != pattern_height)) |
| 6532 | return FALSE; |
| 6533 | } |
| 6534 | |
| 6535 | return (fast_c_string_match_ignore_case (build_string (regex), |
| 6536 | font_name_copy) >= 0); |
| 6537 | } |
| 6538 | |
| 6539 | /* Callback functions, and a structure holding info they need, for |
| 6540 | listing system fonts on W32. We need one set of functions to do the |
| 6541 | job properly, but these don't work on NT 3.51 and earlier, so we |
| 6542 | have a second set which don't handle character sets properly to |
| 6543 | fall back on. |
| 6544 | |
| 6545 | In both cases, there are two passes made. The first pass gets one |
| 6546 | font from each family, the second pass lists all the fonts from |
| 6547 | each family. */ |
| 6548 | |
| 6549 | typedef struct enumfont_t |
| 6550 | { |
| 6551 | HDC hdc; |
| 6552 | int numFonts; |
| 6553 | LOGFONT logfont; |
| 6554 | XFontStruct *size_ref; |
| 6555 | Lisp_Object *pattern; |
| 6556 | Lisp_Object *tail; |
| 6557 | } enumfont_t; |
| 6558 | |
| 6559 | static int CALLBACK |
| 6560 | enum_font_cb2 (lplf, lptm, FontType, lpef) |
| 6561 | ENUMLOGFONT * lplf; |
| 6562 | NEWTEXTMETRIC * lptm; |
| 6563 | int FontType; |
| 6564 | enumfont_t * lpef; |
| 6565 | { |
| 6566 | if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline) |
| 6567 | return (1); |
| 6568 | |
| 6569 | /* Check that the character set matches if it was specified */ |
| 6570 | if (lpef->logfont.lfCharSet != DEFAULT_CHARSET && |
| 6571 | lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet) |
| 6572 | return (1); |
| 6573 | |
| 6574 | { |
| 6575 | char buf[100]; |
| 6576 | Lisp_Object width = Qnil; |
| 6577 | char *charset = NULL; |
| 6578 | |
| 6579 | /* Truetype fonts do not report their true metrics until loaded */ |
| 6580 | if (FontType != RASTER_FONTTYPE) |
| 6581 | { |
| 6582 | if (!NILP (*(lpef->pattern))) |
| 6583 | { |
| 6584 | /* Scalable fonts are as big as you want them to be. */ |
| 6585 | lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight; |
| 6586 | lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth; |
| 6587 | width = make_number (lpef->logfont.lfWidth); |
| 6588 | } |
| 6589 | else |
| 6590 | { |
| 6591 | lplf->elfLogFont.lfHeight = 0; |
| 6592 | lplf->elfLogFont.lfWidth = 0; |
| 6593 | } |
| 6594 | } |
| 6595 | |
| 6596 | /* Make sure the height used here is the same as everywhere |
| 6597 | else (ie character height, not cell height). */ |
| 6598 | if (lplf->elfLogFont.lfHeight > 0) |
| 6599 | { |
| 6600 | /* lptm can be trusted for RASTER fonts, but not scalable ones. */ |
| 6601 | if (FontType == RASTER_FONTTYPE) |
| 6602 | lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight; |
| 6603 | else |
| 6604 | lplf->elfLogFont.lfHeight = -lplf->elfLogFont.lfHeight; |
| 6605 | } |
| 6606 | |
| 6607 | if (!NILP (*(lpef->pattern))) |
| 6608 | { |
| 6609 | charset = xlfd_charset_of_font (XSTRING(*(lpef->pattern))->data); |
| 6610 | |
| 6611 | /* Ensure that charset is valid for this font. */ |
| 6612 | if (charset |
| 6613 | && (x_to_w32_charset (charset) != lplf->elfLogFont.lfCharSet)) |
| 6614 | charset = NULL; |
| 6615 | } |
| 6616 | |
| 6617 | /* TODO: List all relevant charsets if charset not specified. */ |
| 6618 | if (!w32_to_x_font (&(lplf->elfLogFont), buf, 100, charset)) |
| 6619 | return (0); |
| 6620 | |
| 6621 | if (NILP (*(lpef->pattern)) |
| 6622 | || w32_font_match (buf, XSTRING (*(lpef->pattern))->data)) |
| 6623 | { |
| 6624 | *lpef->tail = Fcons (Fcons (build_string (buf), width), Qnil); |
| 6625 | lpef->tail = &(XCDR (*lpef->tail)); |
| 6626 | lpef->numFonts++; |
| 6627 | } |
| 6628 | } |
| 6629 | |
| 6630 | return (1); |
| 6631 | } |
| 6632 | |
| 6633 | static int CALLBACK |
| 6634 | enum_font_cb1 (lplf, lptm, FontType, lpef) |
| 6635 | ENUMLOGFONT * lplf; |
| 6636 | NEWTEXTMETRIC * lptm; |
| 6637 | int FontType; |
| 6638 | enumfont_t * lpef; |
| 6639 | { |
| 6640 | return EnumFontFamilies (lpef->hdc, |
| 6641 | lplf->elfLogFont.lfFaceName, |
| 6642 | (FONTENUMPROC) enum_font_cb2, |
| 6643 | (LPARAM) lpef); |
| 6644 | } |
| 6645 | |
| 6646 | |
| 6647 | static int CALLBACK |
| 6648 | enum_fontex_cb2 (lplf, lptm, font_type, lpef) |
| 6649 | ENUMLOGFONTEX * lplf; |
| 6650 | NEWTEXTMETRICEX * lptm; |
| 6651 | int font_type; |
| 6652 | enumfont_t * lpef; |
| 6653 | { |
| 6654 | /* We are not interested in the extra info we get back from the 'Ex |
| 6655 | version - only the fact that we get character set variations |
| 6656 | enumerated seperately. */ |
| 6657 | return enum_font_cb2 ((ENUMLOGFONT *) lplf, (NEWTEXTMETRIC *) lptm, |
| 6658 | font_type, lpef); |
| 6659 | } |
| 6660 | |
| 6661 | static int CALLBACK |
| 6662 | enum_fontex_cb1 (lplf, lptm, font_type, lpef) |
| 6663 | ENUMLOGFONTEX * lplf; |
| 6664 | NEWTEXTMETRICEX * lptm; |
| 6665 | int font_type; |
| 6666 | enumfont_t * lpef; |
| 6667 | { |
| 6668 | HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); |
| 6669 | FARPROC enum_font_families_ex |
| 6670 | = GetProcAddress ( gdi32, "EnumFontFamiliesExA"); |
| 6671 | /* We don't really expect EnumFontFamiliesEx to disappear once we |
| 6672 | get here, so don't bother handling it gracefully. */ |
| 6673 | if (enum_font_families_ex == NULL) |
| 6674 | error ("gdi32.dll has disappeared!"); |
| 6675 | return enum_font_families_ex (lpef->hdc, |
| 6676 | &lplf->elfLogFont, |
| 6677 | (FONTENUMPROC) enum_fontex_cb2, |
| 6678 | (LPARAM) lpef, 0); |
| 6679 | } |
| 6680 | |
| 6681 | /* Interface to fontset handler. (adapted from mw32font.c in Meadow |
| 6682 | and xterm.c in Emacs 20.3) */ |
| 6683 | |
| 6684 | static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names) |
| 6685 | { |
| 6686 | char *fontname, *ptnstr; |
| 6687 | Lisp_Object list, tem, newlist = Qnil; |
| 6688 | int n_fonts = 0; |
| 6689 | |
| 6690 | list = Vw32_bdf_filename_alist; |
| 6691 | ptnstr = XSTRING (pattern)->data; |
| 6692 | |
| 6693 | for ( ; CONSP (list); list = XCDR (list)) |
| 6694 | { |
| 6695 | tem = XCAR (list); |
| 6696 | if (CONSP (tem)) |
| 6697 | fontname = XSTRING (XCAR (tem))->data; |
| 6698 | else if (STRINGP (tem)) |
| 6699 | fontname = XSTRING (tem)->data; |
| 6700 | else |
| 6701 | continue; |
| 6702 | |
| 6703 | if (w32_font_match (fontname, ptnstr)) |
| 6704 | { |
| 6705 | newlist = Fcons (XCAR (tem), newlist); |
| 6706 | n_fonts++; |
| 6707 | if (n_fonts >= max_names) |
| 6708 | break; |
| 6709 | } |
| 6710 | } |
| 6711 | |
| 6712 | return newlist; |
| 6713 | } |
| 6714 | |
| 6715 | static Lisp_Object w32_list_synthesized_fonts (FRAME_PTR f, |
| 6716 | Lisp_Object pattern, |
| 6717 | int size, int max_names); |
| 6718 | |
| 6719 | /* Return a list of names of available fonts matching PATTERN on frame |
| 6720 | F. If SIZE is not 0, it is the size (maximum bound width) of fonts |
| 6721 | to be listed. Frame F NULL means we have not yet created any |
| 6722 | frame, which means we can't get proper size info, as we don't have |
| 6723 | a device context to use for GetTextMetrics. |
| 6724 | MAXNAMES sets a limit on how many fonts to match. */ |
| 6725 | |
| 6726 | Lisp_Object |
| 6727 | w32_list_fonts (f, pattern, size, maxnames) |
| 6728 | struct frame *f; |
| 6729 | Lisp_Object pattern; |
| 6730 | int size; |
| 6731 | int maxnames; |
| 6732 | { |
| 6733 | Lisp_Object patterns, key = Qnil, tem, tpat; |
| 6734 | Lisp_Object list = Qnil, newlist = Qnil, second_best = Qnil; |
| 6735 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 6736 | int n_fonts = 0; |
| 6737 | |
| 6738 | patterns = Fassoc (pattern, Valternate_fontname_alist); |
| 6739 | if (NILP (patterns)) |
| 6740 | patterns = Fcons (pattern, Qnil); |
| 6741 | |
| 6742 | for (; CONSP (patterns); patterns = XCDR (patterns)) |
| 6743 | { |
| 6744 | enumfont_t ef; |
| 6745 | int codepage; |
| 6746 | |
| 6747 | tpat = XCAR (patterns); |
| 6748 | |
| 6749 | if (!STRINGP (tpat)) |
| 6750 | continue; |
| 6751 | |
| 6752 | /* Avoid expensive EnumFontFamilies functions if we are not |
| 6753 | going to be able to output one of these anyway. */ |
| 6754 | codepage = w32_codepage_for_font (XSTRING (tpat)->data); |
| 6755 | if (codepage != CP_8BIT && codepage != CP_UNICODE |
| 6756 | && codepage != CP_DEFAULT && codepage != CP_UNKNOWN |
| 6757 | && !IsValidCodePage(codepage)) |
| 6758 | continue; |
| 6759 | |
| 6760 | /* See if we cached the result for this particular query. |
| 6761 | The cache is an alist of the form: |
| 6762 | ((PATTERN (FONTNAME . WIDTH) ...) ...) |
| 6763 | */ |
| 6764 | if (tem = XCDR (dpyinfo->name_list_element), |
| 6765 | !NILP (list = Fassoc (tpat, tem))) |
| 6766 | { |
| 6767 | list = Fcdr_safe (list); |
| 6768 | /* We have a cached list. Don't have to get the list again. */ |
| 6769 | goto label_cached; |
| 6770 | } |
| 6771 | |
| 6772 | BLOCK_INPUT; |
| 6773 | /* At first, put PATTERN in the cache. */ |
| 6774 | list = Qnil; |
| 6775 | ef.pattern = &tpat; |
| 6776 | ef.tail = &list; |
| 6777 | ef.numFonts = 0; |
| 6778 | |
| 6779 | /* Use EnumFontFamiliesEx where it is available, as it knows |
| 6780 | about character sets. Fall back to EnumFontFamilies for |
| 6781 | older versions of NT that don't support the 'Ex function. */ |
| 6782 | x_to_w32_font (XSTRING (tpat)->data, &ef.logfont); |
| 6783 | { |
| 6784 | LOGFONT font_match_pattern; |
| 6785 | HMODULE gdi32 = GetModuleHandle ("gdi32.dll"); |
| 6786 | FARPROC enum_font_families_ex |
| 6787 | = GetProcAddress ( gdi32, "EnumFontFamiliesExA"); |
| 6788 | |
| 6789 | /* We do our own pattern matching so we can handle wildcards. */ |
| 6790 | font_match_pattern.lfFaceName[0] = 0; |
| 6791 | font_match_pattern.lfPitchAndFamily = 0; |
| 6792 | /* We can use the charset, because if it is a wildcard it will |
| 6793 | be DEFAULT_CHARSET anyway. */ |
| 6794 | font_match_pattern.lfCharSet = ef.logfont.lfCharSet; |
| 6795 | |
| 6796 | ef.hdc = GetDC (dpyinfo->root_window); |
| 6797 | |
| 6798 | if (enum_font_families_ex) |
| 6799 | enum_font_families_ex (ef.hdc, |
| 6800 | &font_match_pattern, |
| 6801 | (FONTENUMPROC) enum_fontex_cb1, |
| 6802 | (LPARAM) &ef, 0); |
| 6803 | else |
| 6804 | EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1, |
| 6805 | (LPARAM)&ef); |
| 6806 | |
| 6807 | ReleaseDC (dpyinfo->root_window, ef.hdc); |
| 6808 | } |
| 6809 | |
| 6810 | UNBLOCK_INPUT; |
| 6811 | |
| 6812 | /* Make a list of the fonts we got back. |
| 6813 | Store that in the font cache for the display. */ |
| 6814 | XCDR (dpyinfo->name_list_element) |
| 6815 | = Fcons (Fcons (tpat, list), |
| 6816 | XCDR (dpyinfo->name_list_element)); |
| 6817 | |
| 6818 | label_cached: |
| 6819 | if (NILP (list)) continue; /* Try the remaining alternatives. */ |
| 6820 | |
| 6821 | newlist = second_best = Qnil; |
| 6822 | |
| 6823 | /* Make a list of the fonts that have the right width. */ |
| 6824 | for (; CONSP (list); list = XCDR (list)) |
| 6825 | { |
| 6826 | int found_size; |
| 6827 | tem = XCAR (list); |
| 6828 | |
| 6829 | if (!CONSP (tem)) |
| 6830 | continue; |
| 6831 | if (NILP (XCAR (tem))) |
| 6832 | continue; |
| 6833 | if (!size) |
| 6834 | { |
| 6835 | newlist = Fcons (XCAR (tem), newlist); |
| 6836 | n_fonts++; |
| 6837 | if (n_fonts >= maxnames) |
| 6838 | break; |
| 6839 | else |
| 6840 | continue; |
| 6841 | } |
| 6842 | if (!INTEGERP (XCDR (tem))) |
| 6843 | { |
| 6844 | /* Since we don't yet know the size of the font, we must |
| 6845 | load it and try GetTextMetrics. */ |
| 6846 | W32FontStruct thisinfo; |
| 6847 | LOGFONT lf; |
| 6848 | HDC hdc; |
| 6849 | HANDLE oldobj; |
| 6850 | |
| 6851 | if (!x_to_w32_font (XSTRING (XCAR (tem))->data, &lf)) |
| 6852 | continue; |
| 6853 | |
| 6854 | BLOCK_INPUT; |
| 6855 | thisinfo.bdf = NULL; |
| 6856 | thisinfo.hfont = CreateFontIndirect (&lf); |
| 6857 | if (thisinfo.hfont == NULL) |
| 6858 | continue; |
| 6859 | |
| 6860 | hdc = GetDC (dpyinfo->root_window); |
| 6861 | oldobj = SelectObject (hdc, thisinfo.hfont); |
| 6862 | if (GetTextMetrics (hdc, &thisinfo.tm)) |
| 6863 | XCDR (tem) = make_number (FONT_WIDTH (&thisinfo)); |
| 6864 | else |
| 6865 | XCDR (tem) = make_number (0); |
| 6866 | SelectObject (hdc, oldobj); |
| 6867 | ReleaseDC (dpyinfo->root_window, hdc); |
| 6868 | DeleteObject(thisinfo.hfont); |
| 6869 | UNBLOCK_INPUT; |
| 6870 | } |
| 6871 | found_size = XINT (XCDR (tem)); |
| 6872 | if (found_size == size) |
| 6873 | { |
| 6874 | newlist = Fcons (XCAR (tem), newlist); |
| 6875 | n_fonts++; |
| 6876 | if (n_fonts >= maxnames) |
| 6877 | break; |
| 6878 | } |
| 6879 | /* keep track of the closest matching size in case |
| 6880 | no exact match is found. */ |
| 6881 | else if (found_size > 0) |
| 6882 | { |
| 6883 | if (NILP (second_best)) |
| 6884 | second_best = tem; |
| 6885 | |
| 6886 | else if (found_size < size) |
| 6887 | { |
| 6888 | if (XINT (XCDR (second_best)) > size |
| 6889 | || XINT (XCDR (second_best)) < found_size) |
| 6890 | second_best = tem; |
| 6891 | } |
| 6892 | else |
| 6893 | { |
| 6894 | if (XINT (XCDR (second_best)) > size |
| 6895 | && XINT (XCDR (second_best)) > |
| 6896 | found_size) |
| 6897 | second_best = tem; |
| 6898 | } |
| 6899 | } |
| 6900 | } |
| 6901 | |
| 6902 | if (!NILP (newlist)) |
| 6903 | break; |
| 6904 | else if (!NILP (second_best)) |
| 6905 | { |
| 6906 | newlist = Fcons (XCAR (second_best), Qnil); |
| 6907 | break; |
| 6908 | } |
| 6909 | } |
| 6910 | |
| 6911 | /* Include any bdf fonts. */ |
| 6912 | if (n_fonts < maxnames) |
| 6913 | { |
| 6914 | Lisp_Object combined[2]; |
| 6915 | combined[0] = w32_list_bdf_fonts (pattern, maxnames - n_fonts); |
| 6916 | combined[1] = newlist; |
| 6917 | newlist = Fnconc(2, combined); |
| 6918 | } |
| 6919 | |
| 6920 | /* If we can't find a font that matches, check if Windows would be |
| 6921 | able to synthesize it from a different style. */ |
| 6922 | if (NILP (newlist) && !NILP (Vw32_enable_synthesized_fonts)) |
| 6923 | newlist = w32_list_synthesized_fonts (f, pattern, size, maxnames); |
| 6924 | |
| 6925 | return newlist; |
| 6926 | } |
| 6927 | |
| 6928 | static Lisp_Object |
| 6929 | w32_list_synthesized_fonts (f, pattern, size, max_names) |
| 6930 | FRAME_PTR f; |
| 6931 | Lisp_Object pattern; |
| 6932 | int size; |
| 6933 | int max_names; |
| 6934 | { |
| 6935 | int fields; |
| 6936 | char *full_pattn, *new_pattn, foundary[50], family[50], *pattn_part2; |
| 6937 | char style[20], slant; |
| 6938 | Lisp_Object matches, tem, synthed_matches = Qnil; |
| 6939 | |
| 6940 | full_pattn = XSTRING (pattern)->data; |
| 6941 | |
| 6942 | pattn_part2 = alloca (XSTRING (pattern)->size); |
| 6943 | /* Allow some space for wildcard expansion. */ |
| 6944 | new_pattn = alloca (XSTRING (pattern)->size + 100); |
| 6945 | |
| 6946 | fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%19[^-]-%c-%s", |
| 6947 | foundary, family, style, &slant, pattn_part2); |
| 6948 | if (fields == EOF || fields < 5) |
| 6949 | return Qnil; |
| 6950 | |
| 6951 | /* If the style and slant are wildcards already there is no point |
| 6952 | checking again (and we don't want to keep recursing). */ |
| 6953 | if (*style == '*' && slant == '*') |
| 6954 | return Qnil; |
| 6955 | |
| 6956 | sprintf (new_pattn, "-%s-%s-*-*-%s", foundary, family, pattn_part2); |
| 6957 | |
| 6958 | matches = w32_list_fonts (f, build_string (new_pattn), size, max_names); |
| 6959 | |
| 6960 | for ( ; CONSP (matches); matches = XCDR (matches)) |
| 6961 | { |
| 6962 | tem = XCAR (matches); |
| 6963 | if (!STRINGP (tem)) |
| 6964 | continue; |
| 6965 | |
| 6966 | full_pattn = XSTRING (tem)->data; |
| 6967 | fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%*[^-]-%*c-%s", |
| 6968 | foundary, family, pattn_part2); |
| 6969 | if (fields == EOF || fields < 3) |
| 6970 | continue; |
| 6971 | |
| 6972 | sprintf (new_pattn, "-%s-%s-%s-%c-%s", foundary, family, style, |
| 6973 | slant, pattn_part2); |
| 6974 | |
| 6975 | synthed_matches = Fcons (build_string (new_pattn), |
| 6976 | synthed_matches); |
| 6977 | } |
| 6978 | |
| 6979 | return synthed_matches; |
| 6980 | } |
| 6981 | |
| 6982 | |
| 6983 | /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ |
| 6984 | struct font_info * |
| 6985 | w32_get_font_info (f, font_idx) |
| 6986 | FRAME_PTR f; |
| 6987 | int font_idx; |
| 6988 | { |
| 6989 | return (FRAME_W32_FONT_TABLE (f) + font_idx); |
| 6990 | } |
| 6991 | |
| 6992 | |
| 6993 | struct font_info* |
| 6994 | w32_query_font (struct frame *f, char *fontname) |
| 6995 | { |
| 6996 | int i; |
| 6997 | struct font_info *pfi; |
| 6998 | |
| 6999 | pfi = FRAME_W32_FONT_TABLE (f); |
| 7000 | |
| 7001 | for (i = 0; i < one_w32_display_info.n_fonts ;i++, pfi++) |
| 7002 | { |
| 7003 | if (strcmp(pfi->name, fontname) == 0) return pfi; |
| 7004 | } |
| 7005 | |
| 7006 | return NULL; |
| 7007 | } |
| 7008 | |
| 7009 | /* Find a CCL program for a font specified by FONTP, and set the member |
| 7010 | `encoder' of the structure. */ |
| 7011 | |
| 7012 | void |
| 7013 | w32_find_ccl_program (fontp) |
| 7014 | struct font_info *fontp; |
| 7015 | { |
| 7016 | Lisp_Object list, elt; |
| 7017 | |
| 7018 | for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) |
| 7019 | { |
| 7020 | elt = XCAR (list); |
| 7021 | if (CONSP (elt) |
| 7022 | && STRINGP (XCAR (elt)) |
| 7023 | && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name) |
| 7024 | >= 0)) |
| 7025 | break; |
| 7026 | } |
| 7027 | if (! NILP (list)) |
| 7028 | { |
| 7029 | struct ccl_program *ccl |
| 7030 | = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); |
| 7031 | |
| 7032 | if (setup_ccl_program (ccl, XCDR (elt)) < 0) |
| 7033 | xfree (ccl); |
| 7034 | else |
| 7035 | fontp->font_encoder = ccl; |
| 7036 | } |
| 7037 | } |
| 7038 | |
| 7039 | \f |
| 7040 | /* Find BDF files in a specified directory. (use GCPRO when calling, |
| 7041 | as this calls lisp to get a directory listing). */ |
| 7042 | static Lisp_Object |
| 7043 | w32_find_bdf_fonts_in_dir (Lisp_Object directory) |
| 7044 | { |
| 7045 | Lisp_Object filelist, list = Qnil; |
| 7046 | char fontname[100]; |
| 7047 | |
| 7048 | if (!STRINGP(directory)) |
| 7049 | return Qnil; |
| 7050 | |
| 7051 | filelist = Fdirectory_files (directory, Qt, |
| 7052 | build_string (".*\\.[bB][dD][fF]"), Qt); |
| 7053 | |
| 7054 | for ( ; CONSP(filelist); filelist = XCDR (filelist)) |
| 7055 | { |
| 7056 | Lisp_Object filename = XCAR (filelist); |
| 7057 | if (w32_BDF_to_x_font (XSTRING (filename)->data, fontname, 100)) |
| 7058 | store_in_alist (&list, build_string (fontname), filename); |
| 7059 | } |
| 7060 | return list; |
| 7061 | } |
| 7062 | |
| 7063 | DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts, |
| 7064 | 1, 1, 0, |
| 7065 | "Return a list of BDF fonts in DIR, suitable for appending to\n\ |
| 7066 | w32-bdf-filename-alist. Fonts which do not contain an xlfd description\n\ |
| 7067 | will not be included in the list. DIR may be a list of directories.") |
| 7068 | (directory) |
| 7069 | Lisp_Object directory; |
| 7070 | { |
| 7071 | Lisp_Object list = Qnil; |
| 7072 | struct gcpro gcpro1, gcpro2; |
| 7073 | |
| 7074 | if (!CONSP (directory)) |
| 7075 | return w32_find_bdf_fonts_in_dir (directory); |
| 7076 | |
| 7077 | for ( ; CONSP (directory); directory = XCDR (directory)) |
| 7078 | { |
| 7079 | Lisp_Object pair[2]; |
| 7080 | pair[0] = list; |
| 7081 | pair[1] = Qnil; |
| 7082 | GCPRO2 (directory, list); |
| 7083 | pair[1] = w32_find_bdf_fonts_in_dir( XCAR (directory) ); |
| 7084 | list = Fnconc( 2, pair ); |
| 7085 | UNGCPRO; |
| 7086 | } |
| 7087 | return list; |
| 7088 | } |
| 7089 | |
| 7090 | \f |
| 7091 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
| 7092 | "Internal function called by `color-defined-p', which see.") |
| 7093 | (color, frame) |
| 7094 | Lisp_Object color, frame; |
| 7095 | { |
| 7096 | XColor foo; |
| 7097 | FRAME_PTR f = check_x_frame (frame); |
| 7098 | |
| 7099 | CHECK_STRING (color, 1); |
| 7100 | |
| 7101 | if (w32_defined_color (f, XSTRING (color)->data, &foo, 0)) |
| 7102 | return Qt; |
| 7103 | else |
| 7104 | return Qnil; |
| 7105 | } |
| 7106 | |
| 7107 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
| 7108 | "Internal function called by `color-values', which see.") |
| 7109 | (color, frame) |
| 7110 | Lisp_Object color, frame; |
| 7111 | { |
| 7112 | XColor foo; |
| 7113 | FRAME_PTR f = check_x_frame (frame); |
| 7114 | |
| 7115 | CHECK_STRING (color, 1); |
| 7116 | |
| 7117 | if (w32_defined_color (f, XSTRING (color)->data, &foo, 0)) |
| 7118 | { |
| 7119 | Lisp_Object rgb[3]; |
| 7120 | |
| 7121 | rgb[0] = make_number ((GetRValue (foo.pixel) << 8) |
| 7122 | | GetRValue (foo.pixel)); |
| 7123 | rgb[1] = make_number ((GetGValue (foo.pixel) << 8) |
| 7124 | | GetGValue (foo.pixel)); |
| 7125 | rgb[2] = make_number ((GetBValue (foo.pixel) << 8) |
| 7126 | | GetBValue (foo.pixel)); |
| 7127 | return Flist (3, rgb); |
| 7128 | } |
| 7129 | else |
| 7130 | return Qnil; |
| 7131 | } |
| 7132 | |
| 7133 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
| 7134 | "Internal function called by `display-color-p', which see.") |
| 7135 | (display) |
| 7136 | Lisp_Object display; |
| 7137 | { |
| 7138 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7139 | |
| 7140 | if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 2) |
| 7141 | return Qnil; |
| 7142 | |
| 7143 | return Qt; |
| 7144 | } |
| 7145 | |
| 7146 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
| 7147 | 0, 1, 0, |
| 7148 | "Return t if the X display supports shades of gray.\n\ |
| 7149 | Note that color displays do support shades of gray.\n\ |
| 7150 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7151 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7152 | If omitted or nil, that stands for the selected frame's display.") |
| 7153 | (display) |
| 7154 | Lisp_Object display; |
| 7155 | { |
| 7156 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7157 | |
| 7158 | if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 1) |
| 7159 | return Qnil; |
| 7160 | |
| 7161 | return Qt; |
| 7162 | } |
| 7163 | |
| 7164 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
| 7165 | 0, 1, 0, |
| 7166 | "Returns the width in pixels of the X display DISPLAY.\n\ |
| 7167 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7168 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7169 | If omitted or nil, that stands for the selected frame's display.") |
| 7170 | (display) |
| 7171 | Lisp_Object display; |
| 7172 | { |
| 7173 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7174 | |
| 7175 | return make_number (dpyinfo->width); |
| 7176 | } |
| 7177 | |
| 7178 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, |
| 7179 | Sx_display_pixel_height, 0, 1, 0, |
| 7180 | "Returns the height in pixels of the X display DISPLAY.\n\ |
| 7181 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7182 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7183 | If omitted or nil, that stands for the selected frame's display.") |
| 7184 | (display) |
| 7185 | Lisp_Object display; |
| 7186 | { |
| 7187 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7188 | |
| 7189 | return make_number (dpyinfo->height); |
| 7190 | } |
| 7191 | |
| 7192 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, |
| 7193 | 0, 1, 0, |
| 7194 | "Returns the number of bitplanes of the display DISPLAY.\n\ |
| 7195 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7196 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7197 | If omitted or nil, that stands for the selected frame's display.") |
| 7198 | (display) |
| 7199 | Lisp_Object display; |
| 7200 | { |
| 7201 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7202 | |
| 7203 | return make_number (dpyinfo->n_planes * dpyinfo->n_cbits); |
| 7204 | } |
| 7205 | |
| 7206 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, |
| 7207 | 0, 1, 0, |
| 7208 | "Returns the number of color cells of the display DISPLAY.\n\ |
| 7209 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7210 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7211 | If omitted or nil, that stands for the selected frame's display.") |
| 7212 | (display) |
| 7213 | Lisp_Object display; |
| 7214 | { |
| 7215 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7216 | HDC hdc; |
| 7217 | int cap; |
| 7218 | |
| 7219 | hdc = GetDC (dpyinfo->root_window); |
| 7220 | if (dpyinfo->has_palette) |
| 7221 | cap = GetDeviceCaps (hdc,SIZEPALETTE); |
| 7222 | else |
| 7223 | cap = GetDeviceCaps (hdc,NUMCOLORS); |
| 7224 | |
| 7225 | if (cap < 0) |
| 7226 | cap = 1 << (dpyinfo->n_planes * dpyinfo->n_cbits); |
| 7227 | |
| 7228 | ReleaseDC (dpyinfo->root_window, hdc); |
| 7229 | |
| 7230 | return make_number (cap); |
| 7231 | } |
| 7232 | |
| 7233 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
| 7234 | Sx_server_max_request_size, |
| 7235 | 0, 1, 0, |
| 7236 | "Returns the maximum request size of the server of display DISPLAY.\n\ |
| 7237 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7238 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7239 | If omitted or nil, that stands for the selected frame's display.") |
| 7240 | (display) |
| 7241 | Lisp_Object display; |
| 7242 | { |
| 7243 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7244 | |
| 7245 | return make_number (1); |
| 7246 | } |
| 7247 | |
| 7248 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
| 7249 | "Returns the vendor ID string of the W32 system (Microsoft).\n\ |
| 7250 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7251 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7252 | If omitted or nil, that stands for the selected frame's display.") |
| 7253 | (display) |
| 7254 | Lisp_Object display; |
| 7255 | { |
| 7256 | return build_string ("Microsoft Corp."); |
| 7257 | } |
| 7258 | |
| 7259 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, |
| 7260 | "Returns the version numbers of the server of display DISPLAY.\n\ |
| 7261 | The value is a list of three integers: the major and minor\n\ |
| 7262 | version numbers, and the vendor-specific release\n\ |
| 7263 | number. See also the function `x-server-vendor'.\n\n\ |
| 7264 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7265 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7266 | If omitted or nil, that stands for the selected frame's display.") |
| 7267 | (display) |
| 7268 | Lisp_Object display; |
| 7269 | { |
| 7270 | return Fcons (make_number (w32_major_version), |
| 7271 | Fcons (make_number (w32_minor_version), |
| 7272 | Fcons (make_number (w32_build_number), Qnil))); |
| 7273 | } |
| 7274 | |
| 7275 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, |
| 7276 | "Returns the number of screens on the server of display DISPLAY.\n\ |
| 7277 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7278 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7279 | If omitted or nil, that stands for the selected frame's display.") |
| 7280 | (display) |
| 7281 | Lisp_Object display; |
| 7282 | { |
| 7283 | return make_number (1); |
| 7284 | } |
| 7285 | |
| 7286 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, |
| 7287 | "Returns the height in millimeters of the X display DISPLAY.\n\ |
| 7288 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7289 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7290 | If omitted or nil, that stands for the selected frame's display.") |
| 7291 | (display) |
| 7292 | Lisp_Object display; |
| 7293 | { |
| 7294 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7295 | HDC hdc; |
| 7296 | int cap; |
| 7297 | |
| 7298 | hdc = GetDC (dpyinfo->root_window); |
| 7299 | |
| 7300 | cap = GetDeviceCaps (hdc, VERTSIZE); |
| 7301 | |
| 7302 | ReleaseDC (dpyinfo->root_window, hdc); |
| 7303 | |
| 7304 | return make_number (cap); |
| 7305 | } |
| 7306 | |
| 7307 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, |
| 7308 | "Returns the width in millimeters of the X display DISPLAY.\n\ |
| 7309 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7310 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7311 | If omitted or nil, that stands for the selected frame's display.") |
| 7312 | (display) |
| 7313 | Lisp_Object display; |
| 7314 | { |
| 7315 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7316 | |
| 7317 | HDC hdc; |
| 7318 | int cap; |
| 7319 | |
| 7320 | hdc = GetDC (dpyinfo->root_window); |
| 7321 | |
| 7322 | cap = GetDeviceCaps (hdc, HORZSIZE); |
| 7323 | |
| 7324 | ReleaseDC (dpyinfo->root_window, hdc); |
| 7325 | |
| 7326 | return make_number (cap); |
| 7327 | } |
| 7328 | |
| 7329 | DEFUN ("x-display-backing-store", Fx_display_backing_store, |
| 7330 | Sx_display_backing_store, 0, 1, 0, |
| 7331 | "Returns an indication of whether display DISPLAY does backing store.\n\ |
| 7332 | The value may be `always', `when-mapped', or `not-useful'.\n\ |
| 7333 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7334 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7335 | If omitted or nil, that stands for the selected frame's display.") |
| 7336 | (display) |
| 7337 | Lisp_Object display; |
| 7338 | { |
| 7339 | return intern ("not-useful"); |
| 7340 | } |
| 7341 | |
| 7342 | DEFUN ("x-display-visual-class", Fx_display_visual_class, |
| 7343 | Sx_display_visual_class, 0, 1, 0, |
| 7344 | "Returns the visual class of the display DISPLAY.\n\ |
| 7345 | The value is one of the symbols `static-gray', `gray-scale',\n\ |
| 7346 | `static-color', `pseudo-color', `true-color', or `direct-color'.\n\n\ |
| 7347 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7348 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7349 | If omitted or nil, that stands for the selected frame's display.") |
| 7350 | (display) |
| 7351 | Lisp_Object display; |
| 7352 | { |
| 7353 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7354 | Lisp_Object result = Qnil; |
| 7355 | |
| 7356 | if (dpyinfo->has_palette) |
| 7357 | result = intern ("pseudo-color"); |
| 7358 | else if (dpyinfo->n_planes * dpyinfo->n_cbits == 1) |
| 7359 | result = intern ("static-grey"); |
| 7360 | else if (dpyinfo->n_planes * dpyinfo->n_cbits == 4) |
| 7361 | result = intern ("static-color"); |
| 7362 | else if (dpyinfo->n_planes * dpyinfo->n_cbits > 8) |
| 7363 | result = intern ("true-color"); |
| 7364 | |
| 7365 | return result; |
| 7366 | } |
| 7367 | |
| 7368 | DEFUN ("x-display-save-under", Fx_display_save_under, |
| 7369 | Sx_display_save_under, 0, 1, 0, |
| 7370 | "Returns t if the display DISPLAY supports the save-under feature.\n\ |
| 7371 | The optional argument DISPLAY specifies which display to ask about.\n\ |
| 7372 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7373 | If omitted or nil, that stands for the selected frame's display.") |
| 7374 | (display) |
| 7375 | Lisp_Object display; |
| 7376 | { |
| 7377 | return Qnil; |
| 7378 | } |
| 7379 | \f |
| 7380 | int |
| 7381 | x_pixel_width (f) |
| 7382 | register struct frame *f; |
| 7383 | { |
| 7384 | return PIXEL_WIDTH (f); |
| 7385 | } |
| 7386 | |
| 7387 | int |
| 7388 | x_pixel_height (f) |
| 7389 | register struct frame *f; |
| 7390 | { |
| 7391 | return PIXEL_HEIGHT (f); |
| 7392 | } |
| 7393 | |
| 7394 | int |
| 7395 | x_char_width (f) |
| 7396 | register struct frame *f; |
| 7397 | { |
| 7398 | return FONT_WIDTH (f->output_data.w32->font); |
| 7399 | } |
| 7400 | |
| 7401 | int |
| 7402 | x_char_height (f) |
| 7403 | register struct frame *f; |
| 7404 | { |
| 7405 | return f->output_data.w32->line_height; |
| 7406 | } |
| 7407 | |
| 7408 | int |
| 7409 | x_screen_planes (f) |
| 7410 | register struct frame *f; |
| 7411 | { |
| 7412 | return FRAME_W32_DISPLAY_INFO (f)->n_planes; |
| 7413 | } |
| 7414 | \f |
| 7415 | /* Return the display structure for the display named NAME. |
| 7416 | Open a new connection if necessary. */ |
| 7417 | |
| 7418 | struct w32_display_info * |
| 7419 | x_display_info_for_name (name) |
| 7420 | Lisp_Object name; |
| 7421 | { |
| 7422 | Lisp_Object names; |
| 7423 | struct w32_display_info *dpyinfo; |
| 7424 | |
| 7425 | CHECK_STRING (name, 0); |
| 7426 | |
| 7427 | for (dpyinfo = &one_w32_display_info, names = w32_display_name_list; |
| 7428 | dpyinfo; |
| 7429 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
| 7430 | { |
| 7431 | Lisp_Object tem; |
| 7432 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
| 7433 | if (!NILP (tem)) |
| 7434 | return dpyinfo; |
| 7435 | } |
| 7436 | |
| 7437 | /* Use this general default value to start with. */ |
| 7438 | Vx_resource_name = Vinvocation_name; |
| 7439 | |
| 7440 | validate_x_resource_name (); |
| 7441 | |
| 7442 | dpyinfo = w32_term_init (name, (unsigned char *)0, |
| 7443 | (char *) XSTRING (Vx_resource_name)->data); |
| 7444 | |
| 7445 | if (dpyinfo == 0) |
| 7446 | error ("Cannot connect to server %s", XSTRING (name)->data); |
| 7447 | |
| 7448 | w32_in_use = 1; |
| 7449 | XSETFASTINT (Vwindow_system_version, 3); |
| 7450 | |
| 7451 | return dpyinfo; |
| 7452 | } |
| 7453 | |
| 7454 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
| 7455 | 1, 3, 0, "Open a connection to a server.\n\ |
| 7456 | DISPLAY is the name of the display to connect to.\n\ |
| 7457 | Optional second arg XRM-STRING is a string of resources in xrdb format.\n\ |
| 7458 | If the optional third arg MUST-SUCCEED is non-nil,\n\ |
| 7459 | terminate Emacs if we can't open the connection.") |
| 7460 | (display, xrm_string, must_succeed) |
| 7461 | Lisp_Object display, xrm_string, must_succeed; |
| 7462 | { |
| 7463 | unsigned char *xrm_option; |
| 7464 | struct w32_display_info *dpyinfo; |
| 7465 | |
| 7466 | CHECK_STRING (display, 0); |
| 7467 | if (! NILP (xrm_string)) |
| 7468 | CHECK_STRING (xrm_string, 1); |
| 7469 | |
| 7470 | if (! EQ (Vwindow_system, intern ("w32"))) |
| 7471 | error ("Not using Microsoft Windows"); |
| 7472 | |
| 7473 | /* Allow color mapping to be defined externally; first look in user's |
| 7474 | HOME directory, then in Emacs etc dir for a file called rgb.txt. */ |
| 7475 | { |
| 7476 | Lisp_Object color_file; |
| 7477 | struct gcpro gcpro1; |
| 7478 | |
| 7479 | color_file = build_string("~/rgb.txt"); |
| 7480 | |
| 7481 | GCPRO1 (color_file); |
| 7482 | |
| 7483 | if (NILP (Ffile_readable_p (color_file))) |
| 7484 | color_file = |
| 7485 | Fexpand_file_name (build_string ("rgb.txt"), |
| 7486 | Fsymbol_value (intern ("data-directory"))); |
| 7487 | |
| 7488 | Vw32_color_map = Fw32_load_color_file (color_file); |
| 7489 | |
| 7490 | UNGCPRO; |
| 7491 | } |
| 7492 | if (NILP (Vw32_color_map)) |
| 7493 | Vw32_color_map = Fw32_default_color_map (); |
| 7494 | |
| 7495 | if (! NILP (xrm_string)) |
| 7496 | xrm_option = (unsigned char *) XSTRING (xrm_string)->data; |
| 7497 | else |
| 7498 | xrm_option = (unsigned char *) 0; |
| 7499 | |
| 7500 | /* Use this general default value to start with. */ |
| 7501 | /* First remove .exe suffix from invocation-name - it looks ugly. */ |
| 7502 | { |
| 7503 | char basename[ MAX_PATH ], *str; |
| 7504 | |
| 7505 | strcpy (basename, XSTRING (Vinvocation_name)->data); |
| 7506 | str = strrchr (basename, '.'); |
| 7507 | if (str) *str = 0; |
| 7508 | Vinvocation_name = build_string (basename); |
| 7509 | } |
| 7510 | Vx_resource_name = Vinvocation_name; |
| 7511 | |
| 7512 | validate_x_resource_name (); |
| 7513 | |
| 7514 | /* This is what opens the connection and sets x_current_display. |
| 7515 | This also initializes many symbols, such as those used for input. */ |
| 7516 | dpyinfo = w32_term_init (display, xrm_option, |
| 7517 | (char *) XSTRING (Vx_resource_name)->data); |
| 7518 | |
| 7519 | if (dpyinfo == 0) |
| 7520 | { |
| 7521 | if (!NILP (must_succeed)) |
| 7522 | fatal ("Cannot connect to server %s.\n", |
| 7523 | XSTRING (display)->data); |
| 7524 | else |
| 7525 | error ("Cannot connect to server %s", XSTRING (display)->data); |
| 7526 | } |
| 7527 | |
| 7528 | w32_in_use = 1; |
| 7529 | |
| 7530 | XSETFASTINT (Vwindow_system_version, 3); |
| 7531 | return Qnil; |
| 7532 | } |
| 7533 | |
| 7534 | DEFUN ("x-close-connection", Fx_close_connection, |
| 7535 | Sx_close_connection, 1, 1, 0, |
| 7536 | "Close the connection to DISPLAY's server.\n\ |
| 7537 | For DISPLAY, specify either a frame or a display name (a string).\n\ |
| 7538 | If DISPLAY is nil, that stands for the selected frame's display.") |
| 7539 | (display) |
| 7540 | Lisp_Object display; |
| 7541 | { |
| 7542 | struct w32_display_info *dpyinfo = check_x_display_info (display); |
| 7543 | int i; |
| 7544 | |
| 7545 | if (dpyinfo->reference_count > 0) |
| 7546 | error ("Display still has frames on it"); |
| 7547 | |
| 7548 | BLOCK_INPUT; |
| 7549 | /* Free the fonts in the font table. */ |
| 7550 | for (i = 0; i < dpyinfo->n_fonts; i++) |
| 7551 | if (dpyinfo->font_table[i].name) |
| 7552 | { |
| 7553 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
| 7554 | xfree (dpyinfo->font_table[i].full_name); |
| 7555 | xfree (dpyinfo->font_table[i].name); |
| 7556 | w32_unload_font (dpyinfo, dpyinfo->font_table[i].font); |
| 7557 | } |
| 7558 | x_destroy_all_bitmaps (dpyinfo); |
| 7559 | |
| 7560 | x_delete_display (dpyinfo); |
| 7561 | UNBLOCK_INPUT; |
| 7562 | |
| 7563 | return Qnil; |
| 7564 | } |
| 7565 | |
| 7566 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
| 7567 | "Return the list of display names that Emacs has connections to.") |
| 7568 | () |
| 7569 | { |
| 7570 | Lisp_Object tail, result; |
| 7571 | |
| 7572 | result = Qnil; |
| 7573 | for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
| 7574 | result = Fcons (XCAR (XCAR (tail)), result); |
| 7575 | |
| 7576 | return result; |
| 7577 | } |
| 7578 | |
| 7579 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, |
| 7580 | "If ON is non-nil, report errors as soon as the erring request is made.\n\ |
| 7581 | If ON is nil, allow buffering of requests.\n\ |
| 7582 | This is a noop on W32 systems.\n\ |
| 7583 | The optional second argument DISPLAY specifies which display to act on.\n\ |
| 7584 | DISPLAY should be either a frame or a display name (a string).\n\ |
| 7585 | If DISPLAY is omitted or nil, that stands for the selected frame's display.") |
| 7586 | (on, display) |
| 7587 | Lisp_Object display, on; |
| 7588 | { |
| 7589 | return Qnil; |
| 7590 | } |
| 7591 | |
| 7592 | \f |
| 7593 | \f |
| 7594 | /*********************************************************************** |
| 7595 | Image types |
| 7596 | ***********************************************************************/ |
| 7597 | |
| 7598 | /* Value is the number of elements of vector VECTOR. */ |
| 7599 | |
| 7600 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) |
| 7601 | |
| 7602 | /* List of supported image types. Use define_image_type to add new |
| 7603 | types. Use lookup_image_type to find a type for a given symbol. */ |
| 7604 | |
| 7605 | static struct image_type *image_types; |
| 7606 | |
| 7607 | /* The symbol `image' which is the car of the lists used to represent |
| 7608 | images in Lisp. */ |
| 7609 | |
| 7610 | extern Lisp_Object Qimage; |
| 7611 | |
| 7612 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ |
| 7613 | |
| 7614 | Lisp_Object Qxbm; |
| 7615 | |
| 7616 | /* Keywords. */ |
| 7617 | |
| 7618 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
| 7619 | extern Lisp_Object QCdata; |
| 7620 | Lisp_Object QCtype, QCascent, QCmargin, QCrelief; |
| 7621 | Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; |
| 7622 | Lisp_Object QCindex; |
| 7623 | |
| 7624 | /* Other symbols. */ |
| 7625 | |
| 7626 | Lisp_Object Qlaplace; |
| 7627 | |
| 7628 | /* Time in seconds after which images should be removed from the cache |
| 7629 | if not displayed. */ |
| 7630 | |
| 7631 | Lisp_Object Vimage_cache_eviction_delay; |
| 7632 | |
| 7633 | /* Function prototypes. */ |
| 7634 | |
| 7635 | static void define_image_type P_ ((struct image_type *type)); |
| 7636 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); |
| 7637 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); |
| 7638 | static void x_laplace P_ ((struct frame *, struct image *)); |
| 7639 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
| 7640 | Lisp_Object)); |
| 7641 | |
| 7642 | |
| 7643 | /* Define a new image type from TYPE. This adds a copy of TYPE to |
| 7644 | image_types and adds the symbol *TYPE->type to Vimage_types. */ |
| 7645 | |
| 7646 | static void |
| 7647 | define_image_type (type) |
| 7648 | struct image_type *type; |
| 7649 | { |
| 7650 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. |
| 7651 | The initialized data segment is read-only. */ |
| 7652 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); |
| 7653 | bcopy (type, p, sizeof *p); |
| 7654 | p->next = image_types; |
| 7655 | image_types = p; |
| 7656 | Vimage_types = Fcons (*p->type, Vimage_types); |
| 7657 | } |
| 7658 | |
| 7659 | |
| 7660 | /* Look up image type SYMBOL, and return a pointer to its image_type |
| 7661 | structure. Value is null if SYMBOL is not a known image type. */ |
| 7662 | |
| 7663 | static INLINE struct image_type * |
| 7664 | lookup_image_type (symbol) |
| 7665 | Lisp_Object symbol; |
| 7666 | { |
| 7667 | struct image_type *type; |
| 7668 | |
| 7669 | for (type = image_types; type; type = type->next) |
| 7670 | if (EQ (symbol, *type->type)) |
| 7671 | break; |
| 7672 | |
| 7673 | return type; |
| 7674 | } |
| 7675 | |
| 7676 | |
| 7677 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A |
| 7678 | valid image specification is a list whose car is the symbol |
| 7679 | `image', and whose rest is a property list. The property list must |
| 7680 | contain a value for key `:type'. That value must be the name of a |
| 7681 | supported image type. The rest of the property list depends on the |
| 7682 | image type. */ |
| 7683 | |
| 7684 | int |
| 7685 | valid_image_p (object) |
| 7686 | Lisp_Object object; |
| 7687 | { |
| 7688 | int valid_p = 0; |
| 7689 | |
| 7690 | if (CONSP (object) && EQ (XCAR (object), Qimage)) |
| 7691 | { |
| 7692 | Lisp_Object symbol = Fplist_get (XCDR (object), QCtype); |
| 7693 | struct image_type *type = lookup_image_type (symbol); |
| 7694 | |
| 7695 | if (type) |
| 7696 | valid_p = type->valid_p (object); |
| 7697 | } |
| 7698 | |
| 7699 | return valid_p; |
| 7700 | } |
| 7701 | |
| 7702 | |
| 7703 | /* Log error message with format string FORMAT and argument ARG. |
| 7704 | Signaling an error, e.g. when an image cannot be loaded, is not a |
| 7705 | good idea because this would interrupt redisplay, and the error |
| 7706 | message display would lead to another redisplay. This function |
| 7707 | therefore simply displays a message. */ |
| 7708 | |
| 7709 | static void |
| 7710 | image_error (format, arg1, arg2) |
| 7711 | char *format; |
| 7712 | Lisp_Object arg1, arg2; |
| 7713 | { |
| 7714 | add_to_log (format, arg1, arg2); |
| 7715 | } |
| 7716 | |
| 7717 | |
| 7718 | \f |
| 7719 | /*********************************************************************** |
| 7720 | Image specifications |
| 7721 | ***********************************************************************/ |
| 7722 | |
| 7723 | enum image_value_type |
| 7724 | { |
| 7725 | IMAGE_DONT_CHECK_VALUE_TYPE, |
| 7726 | IMAGE_STRING_VALUE, |
| 7727 | IMAGE_SYMBOL_VALUE, |
| 7728 | IMAGE_POSITIVE_INTEGER_VALUE, |
| 7729 | IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, |
| 7730 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, |
| 7731 | IMAGE_ASCENT_VALUE, |
| 7732 | IMAGE_INTEGER_VALUE, |
| 7733 | IMAGE_FUNCTION_VALUE, |
| 7734 | IMAGE_NUMBER_VALUE, |
| 7735 | IMAGE_BOOL_VALUE |
| 7736 | }; |
| 7737 | |
| 7738 | /* Structure used when parsing image specifications. */ |
| 7739 | |
| 7740 | struct image_keyword |
| 7741 | { |
| 7742 | /* Name of keyword. */ |
| 7743 | char *name; |
| 7744 | |
| 7745 | /* The type of value allowed. */ |
| 7746 | enum image_value_type type; |
| 7747 | |
| 7748 | /* Non-zero means key must be present. */ |
| 7749 | int mandatory_p; |
| 7750 | |
| 7751 | /* Used to recognize duplicate keywords in a property list. */ |
| 7752 | int count; |
| 7753 | |
| 7754 | /* The value that was found. */ |
| 7755 | Lisp_Object value; |
| 7756 | }; |
| 7757 | |
| 7758 | |
| 7759 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
| 7760 | int, Lisp_Object)); |
| 7761 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
| 7762 | |
| 7763 | |
| 7764 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec |
| 7765 | has the format (image KEYWORD VALUE ...). One of the keyword/ |
| 7766 | value pairs must be `:type TYPE'. KEYWORDS is a vector of |
| 7767 | image_keywords structures of size NKEYWORDS describing other |
| 7768 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
| 7769 | |
| 7770 | static int |
| 7771 | parse_image_spec (spec, keywords, nkeywords, type) |
| 7772 | Lisp_Object spec; |
| 7773 | struct image_keyword *keywords; |
| 7774 | int nkeywords; |
| 7775 | Lisp_Object type; |
| 7776 | { |
| 7777 | int i; |
| 7778 | Lisp_Object plist; |
| 7779 | |
| 7780 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) |
| 7781 | return 0; |
| 7782 | |
| 7783 | plist = XCDR (spec); |
| 7784 | while (CONSP (plist)) |
| 7785 | { |
| 7786 | Lisp_Object key, value; |
| 7787 | |
| 7788 | /* First element of a pair must be a symbol. */ |
| 7789 | key = XCAR (plist); |
| 7790 | plist = XCDR (plist); |
| 7791 | if (!SYMBOLP (key)) |
| 7792 | return 0; |
| 7793 | |
| 7794 | /* There must follow a value. */ |
| 7795 | if (!CONSP (plist)) |
| 7796 | return 0; |
| 7797 | value = XCAR (plist); |
| 7798 | plist = XCDR (plist); |
| 7799 | |
| 7800 | /* Find key in KEYWORDS. Error if not found. */ |
| 7801 | for (i = 0; i < nkeywords; ++i) |
| 7802 | if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0) |
| 7803 | break; |
| 7804 | |
| 7805 | if (i == nkeywords) |
| 7806 | continue; |
| 7807 | |
| 7808 | /* Record that we recognized the keyword. If a keywords |
| 7809 | was found more than once, it's an error. */ |
| 7810 | keywords[i].value = value; |
| 7811 | ++keywords[i].count; |
| 7812 | |
| 7813 | if (keywords[i].count > 1) |
| 7814 | return 0; |
| 7815 | |
| 7816 | /* Check type of value against allowed type. */ |
| 7817 | switch (keywords[i].type) |
| 7818 | { |
| 7819 | case IMAGE_STRING_VALUE: |
| 7820 | if (!STRINGP (value)) |
| 7821 | return 0; |
| 7822 | break; |
| 7823 | |
| 7824 | case IMAGE_SYMBOL_VALUE: |
| 7825 | if (!SYMBOLP (value)) |
| 7826 | return 0; |
| 7827 | break; |
| 7828 | |
| 7829 | case IMAGE_POSITIVE_INTEGER_VALUE: |
| 7830 | if (!INTEGERP (value) || XINT (value) <= 0) |
| 7831 | return 0; |
| 7832 | break; |
| 7833 | |
| 7834 | case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: |
| 7835 | if (INTEGERP (value) && XINT (value) >= 0) |
| 7836 | break; |
| 7837 | if (CONSP (value) |
| 7838 | && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) |
| 7839 | && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) |
| 7840 | break; |
| 7841 | return 0; |
| 7842 | |
| 7843 | case IMAGE_ASCENT_VALUE: |
| 7844 | if (SYMBOLP (value) && EQ (value, Qcenter)) |
| 7845 | break; |
| 7846 | else if (INTEGERP (value) |
| 7847 | && XINT (value) >= 0 |
| 7848 | && XINT (value) <= 100) |
| 7849 | break; |
| 7850 | return 0; |
| 7851 | |
| 7852 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
| 7853 | if (!INTEGERP (value) || XINT (value) < 0) |
| 7854 | return 0; |
| 7855 | break; |
| 7856 | |
| 7857 | case IMAGE_DONT_CHECK_VALUE_TYPE: |
| 7858 | break; |
| 7859 | |
| 7860 | case IMAGE_FUNCTION_VALUE: |
| 7861 | value = indirect_function (value); |
| 7862 | if (SUBRP (value) |
| 7863 | || COMPILEDP (value) |
| 7864 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) |
| 7865 | break; |
| 7866 | return 0; |
| 7867 | |
| 7868 | case IMAGE_NUMBER_VALUE: |
| 7869 | if (!INTEGERP (value) && !FLOATP (value)) |
| 7870 | return 0; |
| 7871 | break; |
| 7872 | |
| 7873 | case IMAGE_INTEGER_VALUE: |
| 7874 | if (!INTEGERP (value)) |
| 7875 | return 0; |
| 7876 | break; |
| 7877 | |
| 7878 | case IMAGE_BOOL_VALUE: |
| 7879 | if (!NILP (value) && !EQ (value, Qt)) |
| 7880 | return 0; |
| 7881 | break; |
| 7882 | |
| 7883 | default: |
| 7884 | abort (); |
| 7885 | break; |
| 7886 | } |
| 7887 | |
| 7888 | if (EQ (key, QCtype) && !EQ (type, value)) |
| 7889 | return 0; |
| 7890 | } |
| 7891 | |
| 7892 | /* Check that all mandatory fields are present. */ |
| 7893 | for (i = 0; i < nkeywords; ++i) |
| 7894 | if (keywords[i].mandatory_p && keywords[i].count == 0) |
| 7895 | return 0; |
| 7896 | |
| 7897 | return NILP (plist); |
| 7898 | } |
| 7899 | |
| 7900 | |
| 7901 | /* Return the value of KEY in image specification SPEC. Value is nil |
| 7902 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND |
| 7903 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ |
| 7904 | |
| 7905 | static Lisp_Object |
| 7906 | image_spec_value (spec, key, found) |
| 7907 | Lisp_Object spec, key; |
| 7908 | int *found; |
| 7909 | { |
| 7910 | Lisp_Object tail; |
| 7911 | |
| 7912 | xassert (valid_image_p (spec)); |
| 7913 | |
| 7914 | for (tail = XCDR (spec); |
| 7915 | CONSP (tail) && CONSP (XCDR (tail)); |
| 7916 | tail = XCDR (XCDR (tail))) |
| 7917 | { |
| 7918 | if (EQ (XCAR (tail), key)) |
| 7919 | { |
| 7920 | if (found) |
| 7921 | *found = 1; |
| 7922 | return XCAR (XCDR (tail)); |
| 7923 | } |
| 7924 | } |
| 7925 | |
| 7926 | if (found) |
| 7927 | *found = 0; |
| 7928 | return Qnil; |
| 7929 | } |
| 7930 | |
| 7931 | |
| 7932 | |
| 7933 | \f |
| 7934 | /*********************************************************************** |
| 7935 | Image type independent image structures |
| 7936 | ***********************************************************************/ |
| 7937 | |
| 7938 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); |
| 7939 | static void free_image P_ ((struct frame *f, struct image *img)); |
| 7940 | |
| 7941 | |
| 7942 | /* Allocate and return a new image structure for image specification |
| 7943 | SPEC. SPEC has a hash value of HASH. */ |
| 7944 | |
| 7945 | static struct image * |
| 7946 | make_image (spec, hash) |
| 7947 | Lisp_Object spec; |
| 7948 | unsigned hash; |
| 7949 | { |
| 7950 | struct image *img = (struct image *) xmalloc (sizeof *img); |
| 7951 | |
| 7952 | xassert (valid_image_p (spec)); |
| 7953 | bzero (img, sizeof *img); |
| 7954 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); |
| 7955 | xassert (img->type != NULL); |
| 7956 | img->spec = spec; |
| 7957 | img->data.lisp_val = Qnil; |
| 7958 | img->ascent = DEFAULT_IMAGE_ASCENT; |
| 7959 | img->hash = hash; |
| 7960 | return img; |
| 7961 | } |
| 7962 | |
| 7963 | |
| 7964 | /* Free image IMG which was used on frame F, including its resources. */ |
| 7965 | |
| 7966 | static void |
| 7967 | free_image (f, img) |
| 7968 | struct frame *f; |
| 7969 | struct image *img; |
| 7970 | { |
| 7971 | if (img) |
| 7972 | { |
| 7973 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 7974 | |
| 7975 | /* Remove IMG from the hash table of its cache. */ |
| 7976 | if (img->prev) |
| 7977 | img->prev->next = img->next; |
| 7978 | else |
| 7979 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; |
| 7980 | |
| 7981 | if (img->next) |
| 7982 | img->next->prev = img->prev; |
| 7983 | |
| 7984 | c->images[img->id] = NULL; |
| 7985 | |
| 7986 | /* Free resources, then free IMG. */ |
| 7987 | img->type->free (f, img); |
| 7988 | xfree (img); |
| 7989 | } |
| 7990 | } |
| 7991 | |
| 7992 | |
| 7993 | /* Prepare image IMG for display on frame F. Must be called before |
| 7994 | drawing an image. */ |
| 7995 | |
| 7996 | void |
| 7997 | prepare_image_for_display (f, img) |
| 7998 | struct frame *f; |
| 7999 | struct image *img; |
| 8000 | { |
| 8001 | EMACS_TIME t; |
| 8002 | |
| 8003 | /* We're about to display IMG, so set its timestamp to `now'. */ |
| 8004 | EMACS_GET_TIME (t); |
| 8005 | img->timestamp = EMACS_SECS (t); |
| 8006 | |
| 8007 | /* If IMG doesn't have a pixmap yet, load it now, using the image |
| 8008 | type dependent loader function. */ |
| 8009 | if (img->pixmap == 0 && !img->load_failed_p) |
| 8010 | img->load_failed_p = img->type->load (f, img) == 0; |
| 8011 | } |
| 8012 | |
| 8013 | |
| 8014 | /* Value is the number of pixels for the ascent of image IMG when |
| 8015 | drawn in face FACE. */ |
| 8016 | |
| 8017 | int |
| 8018 | image_ascent (img, face) |
| 8019 | struct image *img; |
| 8020 | struct face *face; |
| 8021 | { |
| 8022 | int height = img->height + img->vmargin; |
| 8023 | int ascent; |
| 8024 | |
| 8025 | if (img->ascent == CENTERED_IMAGE_ASCENT) |
| 8026 | { |
| 8027 | if (face->font) |
| 8028 | ascent = height / 2 - (FONT_DESCENT(face->font) |
| 8029 | - FONT_BASE(face->font)) / 2; |
| 8030 | else |
| 8031 | ascent = height / 2; |
| 8032 | } |
| 8033 | else |
| 8034 | ascent = height * img->ascent / 100.0; |
| 8035 | |
| 8036 | return ascent; |
| 8037 | } |
| 8038 | |
| 8039 | |
| 8040 | \f |
| 8041 | /*********************************************************************** |
| 8042 | Helper functions for X image types |
| 8043 | ***********************************************************************/ |
| 8044 | |
| 8045 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
| 8046 | static unsigned long x_alloc_image_color P_ ((struct frame *f, |
| 8047 | struct image *img, |
| 8048 | Lisp_Object color_name, |
| 8049 | unsigned long dflt)); |
| 8050 | |
| 8051 | /* Free X resources of image IMG which is used on frame F. */ |
| 8052 | |
| 8053 | static void |
| 8054 | x_clear_image (f, img) |
| 8055 | struct frame *f; |
| 8056 | struct image *img; |
| 8057 | { |
| 8058 | #if 0 /* TODO: W32 image support */ |
| 8059 | |
| 8060 | if (img->pixmap) |
| 8061 | { |
| 8062 | BLOCK_INPUT; |
| 8063 | XFreePixmap (NULL, img->pixmap); |
| 8064 | img->pixmap = 0; |
| 8065 | UNBLOCK_INPUT; |
| 8066 | } |
| 8067 | |
| 8068 | if (img->ncolors) |
| 8069 | { |
| 8070 | int class = FRAME_W32_DISPLAY_INFO (f)->visual->class; |
| 8071 | |
| 8072 | /* If display has an immutable color map, freeing colors is not |
| 8073 | necessary and some servers don't allow it. So don't do it. */ |
| 8074 | if (class != StaticColor |
| 8075 | && class != StaticGray |
| 8076 | && class != TrueColor) |
| 8077 | { |
| 8078 | Colormap cmap; |
| 8079 | BLOCK_INPUT; |
| 8080 | cmap = DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f)->screen); |
| 8081 | XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors, |
| 8082 | img->ncolors, 0); |
| 8083 | UNBLOCK_INPUT; |
| 8084 | } |
| 8085 | |
| 8086 | xfree (img->colors); |
| 8087 | img->colors = NULL; |
| 8088 | img->ncolors = 0; |
| 8089 | } |
| 8090 | #endif |
| 8091 | } |
| 8092 | |
| 8093 | |
| 8094 | /* Allocate color COLOR_NAME for image IMG on frame F. If color |
| 8095 | cannot be allocated, use DFLT. Add a newly allocated color to |
| 8096 | IMG->colors, so that it can be freed again. Value is the pixel |
| 8097 | color. */ |
| 8098 | |
| 8099 | static unsigned long |
| 8100 | x_alloc_image_color (f, img, color_name, dflt) |
| 8101 | struct frame *f; |
| 8102 | struct image *img; |
| 8103 | Lisp_Object color_name; |
| 8104 | unsigned long dflt; |
| 8105 | { |
| 8106 | #if 0 /* TODO: allocing colors. */ |
| 8107 | XColor color; |
| 8108 | unsigned long result; |
| 8109 | |
| 8110 | xassert (STRINGP (color_name)); |
| 8111 | |
| 8112 | if (w32_defined_color (f, XSTRING (color_name)->data, &color, 1)) |
| 8113 | { |
| 8114 | /* This isn't called frequently so we get away with simply |
| 8115 | reallocating the color vector to the needed size, here. */ |
| 8116 | ++img->ncolors; |
| 8117 | img->colors = |
| 8118 | (unsigned long *) xrealloc (img->colors, |
| 8119 | img->ncolors * sizeof *img->colors); |
| 8120 | img->colors[img->ncolors - 1] = color.pixel; |
| 8121 | result = color.pixel; |
| 8122 | } |
| 8123 | else |
| 8124 | result = dflt; |
| 8125 | return result; |
| 8126 | #endif |
| 8127 | return 0; |
| 8128 | } |
| 8129 | |
| 8130 | |
| 8131 | \f |
| 8132 | /*********************************************************************** |
| 8133 | Image Cache |
| 8134 | ***********************************************************************/ |
| 8135 | |
| 8136 | static void cache_image P_ ((struct frame *f, struct image *img)); |
| 8137 | |
| 8138 | |
| 8139 | /* Return a new, initialized image cache that is allocated from the |
| 8140 | heap. Call free_image_cache to free an image cache. */ |
| 8141 | |
| 8142 | struct image_cache * |
| 8143 | make_image_cache () |
| 8144 | { |
| 8145 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); |
| 8146 | int size; |
| 8147 | |
| 8148 | bzero (c, sizeof *c); |
| 8149 | c->size = 50; |
| 8150 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); |
| 8151 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; |
| 8152 | c->buckets = (struct image **) xmalloc (size); |
| 8153 | bzero (c->buckets, size); |
| 8154 | return c; |
| 8155 | } |
| 8156 | |
| 8157 | |
| 8158 | /* Free image cache of frame F. Be aware that X frames share images |
| 8159 | caches. */ |
| 8160 | |
| 8161 | void |
| 8162 | free_image_cache (f) |
| 8163 | struct frame *f; |
| 8164 | { |
| 8165 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 8166 | if (c) |
| 8167 | { |
| 8168 | int i; |
| 8169 | |
| 8170 | /* Cache should not be referenced by any frame when freed. */ |
| 8171 | xassert (c->refcount == 0); |
| 8172 | |
| 8173 | for (i = 0; i < c->used; ++i) |
| 8174 | free_image (f, c->images[i]); |
| 8175 | xfree (c->images); |
| 8176 | xfree (c); |
| 8177 | xfree (c->buckets); |
| 8178 | FRAME_X_IMAGE_CACHE (f) = NULL; |
| 8179 | } |
| 8180 | } |
| 8181 | |
| 8182 | |
| 8183 | /* Clear image cache of frame F. FORCE_P non-zero means free all |
| 8184 | images. FORCE_P zero means clear only images that haven't been |
| 8185 | displayed for some time. Should be called from time to time to |
| 8186 | reduce the number of loaded images. If image-eviction-seconds is |
| 8187 | non-nil, this frees images in the cache which weren't displayed for |
| 8188 | at least that many seconds. */ |
| 8189 | |
| 8190 | void |
| 8191 | clear_image_cache (f, force_p) |
| 8192 | struct frame *f; |
| 8193 | int force_p; |
| 8194 | { |
| 8195 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 8196 | |
| 8197 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
| 8198 | { |
| 8199 | EMACS_TIME t; |
| 8200 | unsigned long old; |
| 8201 | int i, any_freed_p = 0; |
| 8202 | |
| 8203 | EMACS_GET_TIME (t); |
| 8204 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
| 8205 | |
| 8206 | for (i = 0; i < c->used; ++i) |
| 8207 | { |
| 8208 | struct image *img = c->images[i]; |
| 8209 | if (img != NULL |
| 8210 | && (force_p |
| 8211 | || (img->timestamp > old))) |
| 8212 | { |
| 8213 | free_image (f, img); |
| 8214 | any_freed_p = 1; |
| 8215 | } |
| 8216 | } |
| 8217 | |
| 8218 | /* We may be clearing the image cache because, for example, |
| 8219 | Emacs was iconified for a longer period of time. In that |
| 8220 | case, current matrices may still contain references to |
| 8221 | images freed above. So, clear these matrices. */ |
| 8222 | if (any_freed_p) |
| 8223 | { |
| 8224 | clear_current_matrices (f); |
| 8225 | ++windows_or_buffers_changed; |
| 8226 | } |
| 8227 | } |
| 8228 | } |
| 8229 | |
| 8230 | |
| 8231 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, |
| 8232 | 0, 1, 0, |
| 8233 | "Clear the image cache of FRAME.\n\ |
| 8234 | FRAME nil or omitted means use the selected frame.\n\ |
| 8235 | FRAME t means clear the image caches of all frames.") |
| 8236 | (frame) |
| 8237 | Lisp_Object frame; |
| 8238 | { |
| 8239 | if (EQ (frame, Qt)) |
| 8240 | { |
| 8241 | Lisp_Object tail; |
| 8242 | |
| 8243 | FOR_EACH_FRAME (tail, frame) |
| 8244 | if (FRAME_W32_P (XFRAME (frame))) |
| 8245 | clear_image_cache (XFRAME (frame), 1); |
| 8246 | } |
| 8247 | else |
| 8248 | clear_image_cache (check_x_frame (frame), 1); |
| 8249 | |
| 8250 | return Qnil; |
| 8251 | } |
| 8252 | |
| 8253 | |
| 8254 | /* Return the id of image with Lisp specification SPEC on frame F. |
| 8255 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
| 8256 | |
| 8257 | int |
| 8258 | lookup_image (f, spec) |
| 8259 | struct frame *f; |
| 8260 | Lisp_Object spec; |
| 8261 | { |
| 8262 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 8263 | struct image *img; |
| 8264 | int i; |
| 8265 | unsigned hash; |
| 8266 | struct gcpro gcpro1; |
| 8267 | EMACS_TIME now; |
| 8268 | |
| 8269 | /* F must be a window-system frame, and SPEC must be a valid image |
| 8270 | specification. */ |
| 8271 | xassert (FRAME_WINDOW_P (f)); |
| 8272 | xassert (valid_image_p (spec)); |
| 8273 | |
| 8274 | GCPRO1 (spec); |
| 8275 | |
| 8276 | /* Look up SPEC in the hash table of the image cache. */ |
| 8277 | hash = sxhash (spec, 0); |
| 8278 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; |
| 8279 | |
| 8280 | for (img = c->buckets[i]; img; img = img->next) |
| 8281 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) |
| 8282 | break; |
| 8283 | |
| 8284 | /* If not found, create a new image and cache it. */ |
| 8285 | if (img == NULL) |
| 8286 | { |
| 8287 | BLOCK_INPUT; |
| 8288 | img = make_image (spec, hash); |
| 8289 | cache_image (f, img); |
| 8290 | img->load_failed_p = img->type->load (f, img) == 0; |
| 8291 | |
| 8292 | /* If we can't load the image, and we don't have a width and |
| 8293 | height, use some arbitrary width and height so that we can |
| 8294 | draw a rectangle for it. */ |
| 8295 | if (img->load_failed_p) |
| 8296 | { |
| 8297 | Lisp_Object value; |
| 8298 | |
| 8299 | value = image_spec_value (spec, QCwidth, NULL); |
| 8300 | img->width = (INTEGERP (value) |
| 8301 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); |
| 8302 | value = image_spec_value (spec, QCheight, NULL); |
| 8303 | img->height = (INTEGERP (value) |
| 8304 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); |
| 8305 | } |
| 8306 | else |
| 8307 | { |
| 8308 | /* Handle image type independent image attributes |
| 8309 | `:ascent PERCENT', `:margin MARGIN', `:relief RELIEF'. */ |
| 8310 | Lisp_Object ascent, margin, relief; |
| 8311 | |
| 8312 | ascent = image_spec_value (spec, QCascent, NULL); |
| 8313 | if (INTEGERP (ascent)) |
| 8314 | img->ascent = XFASTINT (ascent); |
| 8315 | else if (EQ (ascent, Qcenter)) |
| 8316 | img->ascent = CENTERED_IMAGE_ASCENT; |
| 8317 | |
| 8318 | margin = image_spec_value (spec, QCmargin, NULL); |
| 8319 | if (INTEGERP (margin) && XINT (margin) >= 0) |
| 8320 | img->vmargin = img->hmargin = XFASTINT (margin); |
| 8321 | else if (CONSP (margin) && INTEGERP (XCAR (margin)) |
| 8322 | && INTEGERP (XCDR (margin))) |
| 8323 | { |
| 8324 | if (XINT (XCAR (margin)) > 0) |
| 8325 | img->hmargin = XFASTINT (XCAR (margin)); |
| 8326 | if (XINT (XCDR (margin)) > 0) |
| 8327 | img->vmargin = XFASTINT (XCDR (margin)); |
| 8328 | } |
| 8329 | |
| 8330 | relief = image_spec_value (spec, QCrelief, NULL); |
| 8331 | if (INTEGERP (relief)) |
| 8332 | { |
| 8333 | img->relief = XINT (relief); |
| 8334 | img->hmargin += abs (img->relief); |
| 8335 | img->vmargin += abs (img->relief); |
| 8336 | } |
| 8337 | |
| 8338 | #if 0 /* TODO: image mask and algorithm. */ |
| 8339 | /* Manipulation of the image's mask. */ |
| 8340 | if (img->pixmap) |
| 8341 | { |
| 8342 | /* `:heuristic-mask t' |
| 8343 | `:mask heuristic' |
| 8344 | means build a mask heuristically. |
| 8345 | `:heuristic-mask (R G B)' |
| 8346 | `:mask (heuristic (R G B))' |
| 8347 | means build a mask from color (R G B) in the |
| 8348 | image. |
| 8349 | `:mask nil' |
| 8350 | means remove a mask, if any. */ |
| 8351 | |
| 8352 | Lisp_Object mask; |
| 8353 | |
| 8354 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
| 8355 | if (!NILP (mask)) |
| 8356 | x_build_heuristic_mask (f, img, mask); |
| 8357 | else |
| 8358 | { |
| 8359 | int found_p; |
| 8360 | |
| 8361 | mask = image_spec_value (spec, QCmask, &found_p); |
| 8362 | |
| 8363 | if (EQ (mask, Qheuristic)) |
| 8364 | x_build_heuristic_mask (f, img, Qt); |
| 8365 | else if (CONSP (mask) |
| 8366 | && EQ (XCAR (mask), Qheuristic)) |
| 8367 | { |
| 8368 | if (CONSP (XCDR (mask))) |
| 8369 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); |
| 8370 | else |
| 8371 | x_build_heuristic_mask (f, img, XCDR (mask)); |
| 8372 | } |
| 8373 | else if (NILP (mask) && found_p && img->mask) |
| 8374 | { |
| 8375 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
| 8376 | img->mask = None; |
| 8377 | } |
| 8378 | } |
| 8379 | } |
| 8380 | |
| 8381 | /* Should we apply an image transformation algorithm? */ |
| 8382 | if (img->pixmap) |
| 8383 | { |
| 8384 | Lisp_Object conversion; |
| 8385 | |
| 8386 | algorithm = image_spec_value (spec, QCconversion, NULL); |
| 8387 | if (EQ (conversion, Qdisabled)) |
| 8388 | x_disable_image (f, img); |
| 8389 | else if (EQ (conversion, Qlaplace)) |
| 8390 | x_laplace (f, img); |
| 8391 | else if (EQ (conversion, Qemboss)) |
| 8392 | x_emboss (f, img); |
| 8393 | else if (CONSP (conversion) |
| 8394 | && EQ (XCAR (conversion), Qedge_detection)) |
| 8395 | { |
| 8396 | Lisp_Object tem; |
| 8397 | tem = XCDR (conversion); |
| 8398 | if (CONSP (tem)) |
| 8399 | x_edge_detection (f, img, |
| 8400 | Fplist_get (tem, QCmatrix), |
| 8401 | Fplist_get (tem, QCcolor_adjustment)); |
| 8402 | } |
| 8403 | } |
| 8404 | #endif /* TODO. */ |
| 8405 | } |
| 8406 | UNBLOCK_INPUT; |
| 8407 | xassert (!interrupt_input_blocked); |
| 8408 | } |
| 8409 | |
| 8410 | /* We're using IMG, so set its timestamp to `now'. */ |
| 8411 | EMACS_GET_TIME (now); |
| 8412 | img->timestamp = EMACS_SECS (now); |
| 8413 | |
| 8414 | UNGCPRO; |
| 8415 | |
| 8416 | /* Value is the image id. */ |
| 8417 | return img->id; |
| 8418 | } |
| 8419 | |
| 8420 | |
| 8421 | /* Cache image IMG in the image cache of frame F. */ |
| 8422 | |
| 8423 | static void |
| 8424 | cache_image (f, img) |
| 8425 | struct frame *f; |
| 8426 | struct image *img; |
| 8427 | { |
| 8428 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 8429 | int i; |
| 8430 | |
| 8431 | /* Find a free slot in c->images. */ |
| 8432 | for (i = 0; i < c->used; ++i) |
| 8433 | if (c->images[i] == NULL) |
| 8434 | break; |
| 8435 | |
| 8436 | /* If no free slot found, maybe enlarge c->images. */ |
| 8437 | if (i == c->used && c->used == c->size) |
| 8438 | { |
| 8439 | c->size *= 2; |
| 8440 | c->images = (struct image **) xrealloc (c->images, |
| 8441 | c->size * sizeof *c->images); |
| 8442 | } |
| 8443 | |
| 8444 | /* Add IMG to c->images, and assign IMG an id. */ |
| 8445 | c->images[i] = img; |
| 8446 | img->id = i; |
| 8447 | if (i == c->used) |
| 8448 | ++c->used; |
| 8449 | |
| 8450 | /* Add IMG to the cache's hash table. */ |
| 8451 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; |
| 8452 | img->next = c->buckets[i]; |
| 8453 | if (img->next) |
| 8454 | img->next->prev = img; |
| 8455 | img->prev = NULL; |
| 8456 | c->buckets[i] = img; |
| 8457 | } |
| 8458 | |
| 8459 | |
| 8460 | /* Call FN on every image in the image cache of frame F. Used to mark |
| 8461 | Lisp Objects in the image cache. */ |
| 8462 | |
| 8463 | void |
| 8464 | forall_images_in_image_cache (f, fn) |
| 8465 | struct frame *f; |
| 8466 | void (*fn) P_ ((struct image *img)); |
| 8467 | { |
| 8468 | if (FRAME_LIVE_P (f) && FRAME_W32_P (f)) |
| 8469 | { |
| 8470 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 8471 | if (c) |
| 8472 | { |
| 8473 | int i; |
| 8474 | for (i = 0; i < c->used; ++i) |
| 8475 | if (c->images[i]) |
| 8476 | fn (c->images[i]); |
| 8477 | } |
| 8478 | } |
| 8479 | } |
| 8480 | |
| 8481 | |
| 8482 | \f |
| 8483 | /*********************************************************************** |
| 8484 | W32 support code |
| 8485 | ***********************************************************************/ |
| 8486 | |
| 8487 | #if 0 /* TODO: W32 specific image code. */ |
| 8488 | |
| 8489 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
| 8490 | XImage **, Pixmap *)); |
| 8491 | static void x_destroy_x_image P_ ((XImage *)); |
| 8492 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); |
| 8493 | |
| 8494 | |
| 8495 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on |
| 8496 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. |
| 8497 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated |
| 8498 | via xmalloc. Print error messages via image_error if an error |
| 8499 | occurs. Value is non-zero if successful. */ |
| 8500 | |
| 8501 | static int |
| 8502 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
| 8503 | struct frame *f; |
| 8504 | int width, height, depth; |
| 8505 | XImage **ximg; |
| 8506 | Pixmap *pixmap; |
| 8507 | { |
| 8508 | #if 0 /* TODO: Image support for W32 */ |
| 8509 | Display *display = FRAME_W32_DISPLAY (f); |
| 8510 | Screen *screen = FRAME_X_SCREEN (f); |
| 8511 | Window window = FRAME_W32_WINDOW (f); |
| 8512 | |
| 8513 | xassert (interrupt_input_blocked); |
| 8514 | |
| 8515 | if (depth <= 0) |
| 8516 | depth = DefaultDepthOfScreen (screen); |
| 8517 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), |
| 8518 | depth, ZPixmap, 0, NULL, width, height, |
| 8519 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); |
| 8520 | if (*ximg == NULL) |
| 8521 | { |
| 8522 | image_error ("Unable to allocate X image", Qnil, Qnil); |
| 8523 | return 0; |
| 8524 | } |
| 8525 | |
| 8526 | /* Allocate image raster. */ |
| 8527 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); |
| 8528 | |
| 8529 | /* Allocate a pixmap of the same size. */ |
| 8530 | *pixmap = XCreatePixmap (display, window, width, height, depth); |
| 8531 | if (*pixmap == 0) |
| 8532 | { |
| 8533 | x_destroy_x_image (*ximg); |
| 8534 | *ximg = NULL; |
| 8535 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
| 8536 | return 0; |
| 8537 | } |
| 8538 | #endif |
| 8539 | return 1; |
| 8540 | } |
| 8541 | |
| 8542 | |
| 8543 | /* Destroy XImage XIMG. Free XIMG->data. */ |
| 8544 | |
| 8545 | static void |
| 8546 | x_destroy_x_image (ximg) |
| 8547 | XImage *ximg; |
| 8548 | { |
| 8549 | xassert (interrupt_input_blocked); |
| 8550 | if (ximg) |
| 8551 | { |
| 8552 | xfree (ximg->data); |
| 8553 | ximg->data = NULL; |
| 8554 | XDestroyImage (ximg); |
| 8555 | } |
| 8556 | } |
| 8557 | |
| 8558 | |
| 8559 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT |
| 8560 | are width and height of both the image and pixmap. */ |
| 8561 | |
| 8562 | static void |
| 8563 | x_put_x_image (f, ximg, pixmap, width, height) |
| 8564 | struct frame *f; |
| 8565 | XImage *ximg; |
| 8566 | Pixmap pixmap; |
| 8567 | { |
| 8568 | GC gc; |
| 8569 | |
| 8570 | xassert (interrupt_input_blocked); |
| 8571 | gc = XCreateGC (NULL, pixmap, 0, NULL); |
| 8572 | XPutImage (NULL, pixmap, gc, ximg, 0, 0, 0, 0, width, height); |
| 8573 | XFreeGC (NULL, gc); |
| 8574 | } |
| 8575 | |
| 8576 | #endif |
| 8577 | |
| 8578 | \f |
| 8579 | /*********************************************************************** |
| 8580 | Searching files |
| 8581 | ***********************************************************************/ |
| 8582 | |
| 8583 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); |
| 8584 | |
| 8585 | /* Find image file FILE. Look in data-directory, then |
| 8586 | x-bitmap-file-path. Value is the full name of the file found, or |
| 8587 | nil if not found. */ |
| 8588 | |
| 8589 | static Lisp_Object |
| 8590 | x_find_image_file (file) |
| 8591 | Lisp_Object file; |
| 8592 | { |
| 8593 | Lisp_Object file_found, search_path; |
| 8594 | struct gcpro gcpro1, gcpro2; |
| 8595 | int fd; |
| 8596 | |
| 8597 | file_found = Qnil; |
| 8598 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); |
| 8599 | GCPRO2 (file_found, search_path); |
| 8600 | |
| 8601 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ |
| 8602 | fd = openp (search_path, file, "", &file_found, 0); |
| 8603 | |
| 8604 | if (fd == -1) |
| 8605 | file_found = Qnil; |
| 8606 | else |
| 8607 | close (fd); |
| 8608 | |
| 8609 | UNGCPRO; |
| 8610 | return file_found; |
| 8611 | } |
| 8612 | |
| 8613 | |
| 8614 | \f |
| 8615 | /*********************************************************************** |
| 8616 | XBM images |
| 8617 | ***********************************************************************/ |
| 8618 | |
| 8619 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
| 8620 | static int xbm_load_image_from_file P_ ((struct frame *f, struct image *img, |
| 8621 | Lisp_Object file)); |
| 8622 | static int xbm_image_p P_ ((Lisp_Object object)); |
| 8623 | static int xbm_read_bitmap_file_data P_ ((char *, int *, int *, |
| 8624 | unsigned char **)); |
| 8625 | |
| 8626 | |
| 8627 | /* Indices of image specification fields in xbm_format, below. */ |
| 8628 | |
| 8629 | enum xbm_keyword_index |
| 8630 | { |
| 8631 | XBM_TYPE, |
| 8632 | XBM_FILE, |
| 8633 | XBM_WIDTH, |
| 8634 | XBM_HEIGHT, |
| 8635 | XBM_DATA, |
| 8636 | XBM_FOREGROUND, |
| 8637 | XBM_BACKGROUND, |
| 8638 | XBM_ASCENT, |
| 8639 | XBM_MARGIN, |
| 8640 | XBM_RELIEF, |
| 8641 | XBM_ALGORITHM, |
| 8642 | XBM_HEURISTIC_MASK, |
| 8643 | XBM_LAST |
| 8644 | }; |
| 8645 | |
| 8646 | /* Vector of image_keyword structures describing the format |
| 8647 | of valid XBM image specifications. */ |
| 8648 | |
| 8649 | static struct image_keyword xbm_format[XBM_LAST] = |
| 8650 | { |
| 8651 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 8652 | {":file", IMAGE_STRING_VALUE, 0}, |
| 8653 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
| 8654 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
| 8655 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8656 | {":foreground", IMAGE_STRING_VALUE, 0}, |
| 8657 | {":background", IMAGE_STRING_VALUE, 0}, |
| 8658 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 8659 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 8660 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 8661 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8662 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 8663 | }; |
| 8664 | |
| 8665 | /* Structure describing the image type XBM. */ |
| 8666 | |
| 8667 | static struct image_type xbm_type = |
| 8668 | { |
| 8669 | &Qxbm, |
| 8670 | xbm_image_p, |
| 8671 | xbm_load, |
| 8672 | x_clear_image, |
| 8673 | NULL |
| 8674 | }; |
| 8675 | |
| 8676 | /* Tokens returned from xbm_scan. */ |
| 8677 | |
| 8678 | enum xbm_token |
| 8679 | { |
| 8680 | XBM_TK_IDENT = 256, |
| 8681 | XBM_TK_NUMBER |
| 8682 | }; |
| 8683 | |
| 8684 | |
| 8685 | /* Return non-zero if OBJECT is a valid XBM-type image specification. |
| 8686 | A valid specification is a list starting with the symbol `image' |
| 8687 | The rest of the list is a property list which must contain an |
| 8688 | entry `:type xbm.. |
| 8689 | |
| 8690 | If the specification specifies a file to load, it must contain |
| 8691 | an entry `:file FILENAME' where FILENAME is a string. |
| 8692 | |
| 8693 | If the specification is for a bitmap loaded from memory it must |
| 8694 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where |
| 8695 | WIDTH and HEIGHT are integers > 0. DATA may be: |
| 8696 | |
| 8697 | 1. a string large enough to hold the bitmap data, i.e. it must |
| 8698 | have a size >= (WIDTH + 7) / 8 * HEIGHT |
| 8699 | |
| 8700 | 2. a bool-vector of size >= WIDTH * HEIGHT |
| 8701 | |
| 8702 | 3. a vector of strings or bool-vectors, one for each line of the |
| 8703 | bitmap. |
| 8704 | |
| 8705 | Both the file and data forms may contain the additional entries |
| 8706 | `:background COLOR' and `:foreground COLOR'. If not present, |
| 8707 | foreground and background of the frame on which the image is |
| 8708 | displayed, is used. */ |
| 8709 | |
| 8710 | static int |
| 8711 | xbm_image_p (object) |
| 8712 | Lisp_Object object; |
| 8713 | { |
| 8714 | struct image_keyword kw[XBM_LAST]; |
| 8715 | |
| 8716 | bcopy (xbm_format, kw, sizeof kw); |
| 8717 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
| 8718 | return 0; |
| 8719 | |
| 8720 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); |
| 8721 | |
| 8722 | if (kw[XBM_FILE].count) |
| 8723 | { |
| 8724 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) |
| 8725 | return 0; |
| 8726 | } |
| 8727 | else |
| 8728 | { |
| 8729 | Lisp_Object data; |
| 8730 | int width, height; |
| 8731 | |
| 8732 | /* Entries for `:width', `:height' and `:data' must be present. */ |
| 8733 | if (!kw[XBM_WIDTH].count |
| 8734 | || !kw[XBM_HEIGHT].count |
| 8735 | || !kw[XBM_DATA].count) |
| 8736 | return 0; |
| 8737 | |
| 8738 | data = kw[XBM_DATA].value; |
| 8739 | width = XFASTINT (kw[XBM_WIDTH].value); |
| 8740 | height = XFASTINT (kw[XBM_HEIGHT].value); |
| 8741 | |
| 8742 | /* Check type of data, and width and height against contents of |
| 8743 | data. */ |
| 8744 | if (VECTORP (data)) |
| 8745 | { |
| 8746 | int i; |
| 8747 | |
| 8748 | /* Number of elements of the vector must be >= height. */ |
| 8749 | if (XVECTOR (data)->size < height) |
| 8750 | return 0; |
| 8751 | |
| 8752 | /* Each string or bool-vector in data must be large enough |
| 8753 | for one line of the image. */ |
| 8754 | for (i = 0; i < height; ++i) |
| 8755 | { |
| 8756 | Lisp_Object elt = XVECTOR (data)->contents[i]; |
| 8757 | |
| 8758 | if (STRINGP (elt)) |
| 8759 | { |
| 8760 | if (XSTRING (elt)->size |
| 8761 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) |
| 8762 | return 0; |
| 8763 | } |
| 8764 | else if (BOOL_VECTOR_P (elt)) |
| 8765 | { |
| 8766 | if (XBOOL_VECTOR (elt)->size < width) |
| 8767 | return 0; |
| 8768 | } |
| 8769 | else |
| 8770 | return 0; |
| 8771 | } |
| 8772 | } |
| 8773 | else if (STRINGP (data)) |
| 8774 | { |
| 8775 | if (XSTRING (data)->size |
| 8776 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) |
| 8777 | return 0; |
| 8778 | } |
| 8779 | else if (BOOL_VECTOR_P (data)) |
| 8780 | { |
| 8781 | if (XBOOL_VECTOR (data)->size < width * height) |
| 8782 | return 0; |
| 8783 | } |
| 8784 | else |
| 8785 | return 0; |
| 8786 | } |
| 8787 | |
| 8788 | /* Baseline must be a value between 0 and 100 (a percentage). */ |
| 8789 | if (kw[XBM_ASCENT].count |
| 8790 | && XFASTINT (kw[XBM_ASCENT].value) > 100) |
| 8791 | return 0; |
| 8792 | |
| 8793 | return 1; |
| 8794 | } |
| 8795 | |
| 8796 | |
| 8797 | /* Scan a bitmap file. FP is the stream to read from. Value is |
| 8798 | either an enumerator from enum xbm_token, or a character for a |
| 8799 | single-character token, or 0 at end of file. If scanning an |
| 8800 | identifier, store the lexeme of the identifier in SVAL. If |
| 8801 | scanning a number, store its value in *IVAL. */ |
| 8802 | |
| 8803 | static int |
| 8804 | xbm_scan (fp, sval, ival) |
| 8805 | FILE *fp; |
| 8806 | char *sval; |
| 8807 | int *ival; |
| 8808 | { |
| 8809 | int c; |
| 8810 | |
| 8811 | /* Skip white space. */ |
| 8812 | while ((c = fgetc (fp)) != EOF && isspace (c)) |
| 8813 | ; |
| 8814 | |
| 8815 | if (c == EOF) |
| 8816 | c = 0; |
| 8817 | else if (isdigit (c)) |
| 8818 | { |
| 8819 | int value = 0, digit; |
| 8820 | |
| 8821 | if (c == '0') |
| 8822 | { |
| 8823 | c = fgetc (fp); |
| 8824 | if (c == 'x' || c == 'X') |
| 8825 | { |
| 8826 | while ((c = fgetc (fp)) != EOF) |
| 8827 | { |
| 8828 | if (isdigit (c)) |
| 8829 | digit = c - '0'; |
| 8830 | else if (c >= 'a' && c <= 'f') |
| 8831 | digit = c - 'a' + 10; |
| 8832 | else if (c >= 'A' && c <= 'F') |
| 8833 | digit = c - 'A' + 10; |
| 8834 | else |
| 8835 | break; |
| 8836 | value = 16 * value + digit; |
| 8837 | } |
| 8838 | } |
| 8839 | else if (isdigit (c)) |
| 8840 | { |
| 8841 | value = c - '0'; |
| 8842 | while ((c = fgetc (fp)) != EOF |
| 8843 | && isdigit (c)) |
| 8844 | value = 8 * value + c - '0'; |
| 8845 | } |
| 8846 | } |
| 8847 | else |
| 8848 | { |
| 8849 | value = c - '0'; |
| 8850 | while ((c = fgetc (fp)) != EOF |
| 8851 | && isdigit (c)) |
| 8852 | value = 10 * value + c - '0'; |
| 8853 | } |
| 8854 | |
| 8855 | if (c != EOF) |
| 8856 | ungetc (c, fp); |
| 8857 | *ival = value; |
| 8858 | c = XBM_TK_NUMBER; |
| 8859 | } |
| 8860 | else if (isalpha (c) || c == '_') |
| 8861 | { |
| 8862 | *sval++ = c; |
| 8863 | while ((c = fgetc (fp)) != EOF |
| 8864 | && (isalnum (c) || c == '_')) |
| 8865 | *sval++ = c; |
| 8866 | *sval = 0; |
| 8867 | if (c != EOF) |
| 8868 | ungetc (c, fp); |
| 8869 | c = XBM_TK_IDENT; |
| 8870 | } |
| 8871 | |
| 8872 | return c; |
| 8873 | } |
| 8874 | |
| 8875 | |
| 8876 | /* Replacement for XReadBitmapFileData which isn't available under old |
| 8877 | X versions. FILE is the name of the bitmap file to read. Set |
| 8878 | *WIDTH and *HEIGHT to the width and height of the image. Return in |
| 8879 | *DATA the bitmap data allocated with xmalloc. Value is non-zero if |
| 8880 | successful. */ |
| 8881 | |
| 8882 | static int |
| 8883 | xbm_read_bitmap_file_data (file, width, height, data) |
| 8884 | char *file; |
| 8885 | int *width, *height; |
| 8886 | unsigned char **data; |
| 8887 | { |
| 8888 | FILE *fp; |
| 8889 | char buffer[BUFSIZ]; |
| 8890 | int padding_p = 0; |
| 8891 | int v10 = 0; |
| 8892 | int bytes_per_line, i, nbytes; |
| 8893 | unsigned char *p; |
| 8894 | int value; |
| 8895 | int LA1; |
| 8896 | |
| 8897 | #define match() \ |
| 8898 | LA1 = xbm_scan (fp, buffer, &value) |
| 8899 | |
| 8900 | #define expect(TOKEN) \ |
| 8901 | if (LA1 != (TOKEN)) \ |
| 8902 | goto failure; \ |
| 8903 | else \ |
| 8904 | match () |
| 8905 | |
| 8906 | #define expect_ident(IDENT) \ |
| 8907 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ |
| 8908 | match (); \ |
| 8909 | else \ |
| 8910 | goto failure |
| 8911 | |
| 8912 | fp = fopen (file, "r"); |
| 8913 | if (fp == NULL) |
| 8914 | return 0; |
| 8915 | |
| 8916 | *width = *height = -1; |
| 8917 | *data = NULL; |
| 8918 | LA1 = xbm_scan (fp, buffer, &value); |
| 8919 | |
| 8920 | /* Parse defines for width, height and hot-spots. */ |
| 8921 | while (LA1 == '#') |
| 8922 | { |
| 8923 | match (); |
| 8924 | expect_ident ("define"); |
| 8925 | expect (XBM_TK_IDENT); |
| 8926 | |
| 8927 | if (LA1 == XBM_TK_NUMBER); |
| 8928 | { |
| 8929 | char *p = strrchr (buffer, '_'); |
| 8930 | p = p ? p + 1 : buffer; |
| 8931 | if (strcmp (p, "width") == 0) |
| 8932 | *width = value; |
| 8933 | else if (strcmp (p, "height") == 0) |
| 8934 | *height = value; |
| 8935 | } |
| 8936 | expect (XBM_TK_NUMBER); |
| 8937 | } |
| 8938 | |
| 8939 | if (*width < 0 || *height < 0) |
| 8940 | goto failure; |
| 8941 | |
| 8942 | /* Parse bits. Must start with `static'. */ |
| 8943 | expect_ident ("static"); |
| 8944 | if (LA1 == XBM_TK_IDENT) |
| 8945 | { |
| 8946 | if (strcmp (buffer, "unsigned") == 0) |
| 8947 | { |
| 8948 | match (); |
| 8949 | expect_ident ("char"); |
| 8950 | } |
| 8951 | else if (strcmp (buffer, "short") == 0) |
| 8952 | { |
| 8953 | match (); |
| 8954 | v10 = 1; |
| 8955 | if (*width % 16 && *width % 16 < 9) |
| 8956 | padding_p = 1; |
| 8957 | } |
| 8958 | else if (strcmp (buffer, "char") == 0) |
| 8959 | match (); |
| 8960 | else |
| 8961 | goto failure; |
| 8962 | } |
| 8963 | else |
| 8964 | goto failure; |
| 8965 | |
| 8966 | expect (XBM_TK_IDENT); |
| 8967 | expect ('['); |
| 8968 | expect (']'); |
| 8969 | expect ('='); |
| 8970 | expect ('{'); |
| 8971 | |
| 8972 | bytes_per_line = (*width + 7) / 8 + padding_p; |
| 8973 | nbytes = bytes_per_line * *height; |
| 8974 | p = *data = (char *) xmalloc (nbytes); |
| 8975 | |
| 8976 | if (v10) |
| 8977 | { |
| 8978 | |
| 8979 | for (i = 0; i < nbytes; i += 2) |
| 8980 | { |
| 8981 | int val = value; |
| 8982 | expect (XBM_TK_NUMBER); |
| 8983 | |
| 8984 | *p++ = val; |
| 8985 | if (!padding_p || ((i + 2) % bytes_per_line)) |
| 8986 | *p++ = value >> 8; |
| 8987 | |
| 8988 | if (LA1 == ',' || LA1 == '}') |
| 8989 | match (); |
| 8990 | else |
| 8991 | goto failure; |
| 8992 | } |
| 8993 | } |
| 8994 | else |
| 8995 | { |
| 8996 | for (i = 0; i < nbytes; ++i) |
| 8997 | { |
| 8998 | int val = value; |
| 8999 | expect (XBM_TK_NUMBER); |
| 9000 | |
| 9001 | *p++ = val; |
| 9002 | |
| 9003 | if (LA1 == ',' || LA1 == '}') |
| 9004 | match (); |
| 9005 | else |
| 9006 | goto failure; |
| 9007 | } |
| 9008 | } |
| 9009 | |
| 9010 | fclose (fp); |
| 9011 | return 1; |
| 9012 | |
| 9013 | failure: |
| 9014 | |
| 9015 | fclose (fp); |
| 9016 | if (*data) |
| 9017 | { |
| 9018 | xfree (*data); |
| 9019 | *data = NULL; |
| 9020 | } |
| 9021 | return 0; |
| 9022 | |
| 9023 | #undef match |
| 9024 | #undef expect |
| 9025 | #undef expect_ident |
| 9026 | } |
| 9027 | |
| 9028 | |
| 9029 | /* Load XBM image IMG which will be displayed on frame F from file |
| 9030 | SPECIFIED_FILE. Value is non-zero if successful. */ |
| 9031 | |
| 9032 | static int |
| 9033 | xbm_load_image_from_file (f, img, specified_file) |
| 9034 | struct frame *f; |
| 9035 | struct image *img; |
| 9036 | Lisp_Object specified_file; |
| 9037 | { |
| 9038 | int rc; |
| 9039 | unsigned char *data; |
| 9040 | int success_p = 0; |
| 9041 | Lisp_Object file; |
| 9042 | struct gcpro gcpro1; |
| 9043 | |
| 9044 | xassert (STRINGP (specified_file)); |
| 9045 | file = Qnil; |
| 9046 | GCPRO1 (file); |
| 9047 | |
| 9048 | file = x_find_image_file (specified_file); |
| 9049 | if (!STRINGP (file)) |
| 9050 | { |
| 9051 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 9052 | UNGCPRO; |
| 9053 | return 0; |
| 9054 | } |
| 9055 | |
| 9056 | rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width, |
| 9057 | &img->height, &data); |
| 9058 | if (rc) |
| 9059 | { |
| 9060 | int depth = one_w32_display_info.n_cbits; |
| 9061 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); |
| 9062 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); |
| 9063 | Lisp_Object value; |
| 9064 | |
| 9065 | xassert (img->width > 0 && img->height > 0); |
| 9066 | |
| 9067 | /* Get foreground and background colors, maybe allocate colors. */ |
| 9068 | value = image_spec_value (img->spec, QCforeground, NULL); |
| 9069 | if (!NILP (value)) |
| 9070 | foreground = x_alloc_image_color (f, img, value, foreground); |
| 9071 | |
| 9072 | value = image_spec_value (img->spec, QCbackground, NULL); |
| 9073 | if (!NILP (value)) |
| 9074 | background = x_alloc_image_color (f, img, value, background); |
| 9075 | |
| 9076 | #if 0 /* TODO : Port image display to W32 */ |
| 9077 | BLOCK_INPUT; |
| 9078 | img->pixmap |
| 9079 | = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f), |
| 9080 | FRAME_W32_WINDOW (f), |
| 9081 | data, |
| 9082 | img->width, img->height, |
| 9083 | foreground, background, |
| 9084 | depth); |
| 9085 | xfree (data); |
| 9086 | |
| 9087 | if (img->pixmap == 0) |
| 9088 | { |
| 9089 | x_clear_image (f, img); |
| 9090 | image_error ("Unable to create X pixmap for `%s'", file, Qnil); |
| 9091 | } |
| 9092 | else |
| 9093 | success_p = 1; |
| 9094 | |
| 9095 | UNBLOCK_INPUT; |
| 9096 | #endif |
| 9097 | } |
| 9098 | else |
| 9099 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
| 9100 | |
| 9101 | UNGCPRO; |
| 9102 | return success_p; |
| 9103 | } |
| 9104 | |
| 9105 | |
| 9106 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
| 9107 | non-zero if successful. */ |
| 9108 | |
| 9109 | static int |
| 9110 | xbm_load (f, img) |
| 9111 | struct frame *f; |
| 9112 | struct image *img; |
| 9113 | { |
| 9114 | int success_p = 0; |
| 9115 | Lisp_Object file_name; |
| 9116 | |
| 9117 | xassert (xbm_image_p (img->spec)); |
| 9118 | |
| 9119 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ |
| 9120 | file_name = image_spec_value (img->spec, QCfile, NULL); |
| 9121 | if (STRINGP (file_name)) |
| 9122 | success_p = xbm_load_image_from_file (f, img, file_name); |
| 9123 | else |
| 9124 | { |
| 9125 | struct image_keyword fmt[XBM_LAST]; |
| 9126 | Lisp_Object data; |
| 9127 | int depth; |
| 9128 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); |
| 9129 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); |
| 9130 | char *bits; |
| 9131 | int parsed_p; |
| 9132 | |
| 9133 | /* Parse the list specification. */ |
| 9134 | bcopy (xbm_format, fmt, sizeof fmt); |
| 9135 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
| 9136 | xassert (parsed_p); |
| 9137 | |
| 9138 | /* Get specified width, and height. */ |
| 9139 | img->width = XFASTINT (fmt[XBM_WIDTH].value); |
| 9140 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); |
| 9141 | xassert (img->width > 0 && img->height > 0); |
| 9142 | |
| 9143 | BLOCK_INPUT; |
| 9144 | |
| 9145 | if (fmt[XBM_ASCENT].count) |
| 9146 | img->ascent = XFASTINT (fmt[XBM_ASCENT].value); |
| 9147 | |
| 9148 | /* Get foreground and background colors, maybe allocate colors. */ |
| 9149 | if (fmt[XBM_FOREGROUND].count) |
| 9150 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, |
| 9151 | foreground); |
| 9152 | if (fmt[XBM_BACKGROUND].count) |
| 9153 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, |
| 9154 | background); |
| 9155 | |
| 9156 | /* Set bits to the bitmap image data. */ |
| 9157 | data = fmt[XBM_DATA].value; |
| 9158 | if (VECTORP (data)) |
| 9159 | { |
| 9160 | int i; |
| 9161 | char *p; |
| 9162 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
| 9163 | |
| 9164 | p = bits = (char *) alloca (nbytes * img->height); |
| 9165 | for (i = 0; i < img->height; ++i, p += nbytes) |
| 9166 | { |
| 9167 | Lisp_Object line = XVECTOR (data)->contents[i]; |
| 9168 | if (STRINGP (line)) |
| 9169 | bcopy (XSTRING (line)->data, p, nbytes); |
| 9170 | else |
| 9171 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); |
| 9172 | } |
| 9173 | } |
| 9174 | else if (STRINGP (data)) |
| 9175 | bits = XSTRING (data)->data; |
| 9176 | else |
| 9177 | bits = XBOOL_VECTOR (data)->data; |
| 9178 | |
| 9179 | #if 0 /* TODO : W32 XPM code */ |
| 9180 | /* Create the pixmap. */ |
| 9181 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); |
| 9182 | img->pixmap |
| 9183 | = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f), |
| 9184 | FRAME_W32_WINDOW (f), |
| 9185 | bits, |
| 9186 | img->width, img->height, |
| 9187 | foreground, background, |
| 9188 | depth); |
| 9189 | #endif /* TODO */ |
| 9190 | |
| 9191 | if (img->pixmap) |
| 9192 | success_p = 1; |
| 9193 | else |
| 9194 | { |
| 9195 | image_error ("Unable to create pixmap for XBM image `%s'", |
| 9196 | img->spec, Qnil); |
| 9197 | x_clear_image (f, img); |
| 9198 | } |
| 9199 | |
| 9200 | UNBLOCK_INPUT; |
| 9201 | } |
| 9202 | |
| 9203 | return success_p; |
| 9204 | } |
| 9205 | |
| 9206 | |
| 9207 | \f |
| 9208 | /*********************************************************************** |
| 9209 | XPM images |
| 9210 | ***********************************************************************/ |
| 9211 | |
| 9212 | #if HAVE_XPM |
| 9213 | |
| 9214 | static int xpm_image_p P_ ((Lisp_Object object)); |
| 9215 | static int xpm_load P_ ((struct frame *f, struct image *img)); |
| 9216 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); |
| 9217 | |
| 9218 | #include "X11/xpm.h" |
| 9219 | |
| 9220 | /* The symbol `xpm' identifying XPM-format images. */ |
| 9221 | |
| 9222 | Lisp_Object Qxpm; |
| 9223 | |
| 9224 | /* Indices of image specification fields in xpm_format, below. */ |
| 9225 | |
| 9226 | enum xpm_keyword_index |
| 9227 | { |
| 9228 | XPM_TYPE, |
| 9229 | XPM_FILE, |
| 9230 | XPM_DATA, |
| 9231 | XPM_ASCENT, |
| 9232 | XPM_MARGIN, |
| 9233 | XPM_RELIEF, |
| 9234 | XPM_ALGORITHM, |
| 9235 | XPM_HEURISTIC_MASK, |
| 9236 | XPM_COLOR_SYMBOLS, |
| 9237 | XPM_LAST |
| 9238 | }; |
| 9239 | |
| 9240 | /* Vector of image_keyword structures describing the format |
| 9241 | of valid XPM image specifications. */ |
| 9242 | |
| 9243 | static struct image_keyword xpm_format[XPM_LAST] = |
| 9244 | { |
| 9245 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 9246 | {":file", IMAGE_STRING_VALUE, 0}, |
| 9247 | {":data", IMAGE_STRING_VALUE, 0}, |
| 9248 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 9249 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 9250 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 9251 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9252 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9253 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 9254 | }; |
| 9255 | |
| 9256 | /* Structure describing the image type XBM. */ |
| 9257 | |
| 9258 | static struct image_type xpm_type = |
| 9259 | { |
| 9260 | &Qxpm, |
| 9261 | xpm_image_p, |
| 9262 | xpm_load, |
| 9263 | x_clear_image, |
| 9264 | NULL |
| 9265 | }; |
| 9266 | |
| 9267 | |
| 9268 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
| 9269 | for XPM images. Such a list must consist of conses whose car and |
| 9270 | cdr are strings. */ |
| 9271 | |
| 9272 | static int |
| 9273 | xpm_valid_color_symbols_p (color_symbols) |
| 9274 | Lisp_Object color_symbols; |
| 9275 | { |
| 9276 | while (CONSP (color_symbols)) |
| 9277 | { |
| 9278 | Lisp_Object sym = XCAR (color_symbols); |
| 9279 | if (!CONSP (sym) |
| 9280 | || !STRINGP (XCAR (sym)) |
| 9281 | || !STRINGP (XCDR (sym))) |
| 9282 | break; |
| 9283 | color_symbols = XCDR (color_symbols); |
| 9284 | } |
| 9285 | |
| 9286 | return NILP (color_symbols); |
| 9287 | } |
| 9288 | |
| 9289 | |
| 9290 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ |
| 9291 | |
| 9292 | static int |
| 9293 | xpm_image_p (object) |
| 9294 | Lisp_Object object; |
| 9295 | { |
| 9296 | struct image_keyword fmt[XPM_LAST]; |
| 9297 | bcopy (xpm_format, fmt, sizeof fmt); |
| 9298 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
| 9299 | /* Either `:file' or `:data' must be present. */ |
| 9300 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 |
| 9301 | /* Either no `:color-symbols' or it's a list of conses |
| 9302 | whose car and cdr are strings. */ |
| 9303 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 |
| 9304 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value)) |
| 9305 | && (fmt[XPM_ASCENT].count == 0 |
| 9306 | || XFASTINT (fmt[XPM_ASCENT].value) < 100)); |
| 9307 | } |
| 9308 | |
| 9309 | |
| 9310 | /* Load image IMG which will be displayed on frame F. Value is |
| 9311 | non-zero if successful. */ |
| 9312 | |
| 9313 | static int |
| 9314 | xpm_load (f, img) |
| 9315 | struct frame *f; |
| 9316 | struct image *img; |
| 9317 | { |
| 9318 | int rc, i; |
| 9319 | XpmAttributes attrs; |
| 9320 | Lisp_Object specified_file, color_symbols; |
| 9321 | |
| 9322 | /* Configure the XPM lib. Use the visual of frame F. Allocate |
| 9323 | close colors. Return colors allocated. */ |
| 9324 | bzero (&attrs, sizeof attrs); |
| 9325 | attrs.visual = FRAME_X_VISUAL (f); |
| 9326 | attrs.colormap = FRAME_X_COLORMAP (f); |
| 9327 | attrs.valuemask |= XpmVisual; |
| 9328 | attrs.valuemask |= XpmColormap; |
| 9329 | attrs.valuemask |= XpmReturnAllocPixels; |
| 9330 | #ifdef XpmAllocCloseColors |
| 9331 | attrs.alloc_close_colors = 1; |
| 9332 | attrs.valuemask |= XpmAllocCloseColors; |
| 9333 | #else |
| 9334 | attrs.closeness = 600; |
| 9335 | attrs.valuemask |= XpmCloseness; |
| 9336 | #endif |
| 9337 | |
| 9338 | /* If image specification contains symbolic color definitions, add |
| 9339 | these to `attrs'. */ |
| 9340 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); |
| 9341 | if (CONSP (color_symbols)) |
| 9342 | { |
| 9343 | Lisp_Object tail; |
| 9344 | XpmColorSymbol *xpm_syms; |
| 9345 | int i, size; |
| 9346 | |
| 9347 | attrs.valuemask |= XpmColorSymbols; |
| 9348 | |
| 9349 | /* Count number of symbols. */ |
| 9350 | attrs.numsymbols = 0; |
| 9351 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) |
| 9352 | ++attrs.numsymbols; |
| 9353 | |
| 9354 | /* Allocate an XpmColorSymbol array. */ |
| 9355 | size = attrs.numsymbols * sizeof *xpm_syms; |
| 9356 | xpm_syms = (XpmColorSymbol *) alloca (size); |
| 9357 | bzero (xpm_syms, size); |
| 9358 | attrs.colorsymbols = xpm_syms; |
| 9359 | |
| 9360 | /* Fill the color symbol array. */ |
| 9361 | for (tail = color_symbols, i = 0; |
| 9362 | CONSP (tail); |
| 9363 | ++i, tail = XCDR (tail)) |
| 9364 | { |
| 9365 | Lisp_Object name = XCAR (XCAR (tail)); |
| 9366 | Lisp_Object color = XCDR (XCAR (tail)); |
| 9367 | xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1); |
| 9368 | strcpy (xpm_syms[i].name, XSTRING (name)->data); |
| 9369 | xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1); |
| 9370 | strcpy (xpm_syms[i].value, XSTRING (color)->data); |
| 9371 | } |
| 9372 | } |
| 9373 | |
| 9374 | /* Create a pixmap for the image, either from a file, or from a |
| 9375 | string buffer containing data in the same format as an XPM file. */ |
| 9376 | BLOCK_INPUT; |
| 9377 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 9378 | if (STRINGP (specified_file)) |
| 9379 | { |
| 9380 | Lisp_Object file = x_find_image_file (specified_file); |
| 9381 | if (!STRINGP (file)) |
| 9382 | { |
| 9383 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 9384 | UNBLOCK_INPUT; |
| 9385 | return 0; |
| 9386 | } |
| 9387 | |
| 9388 | rc = XpmReadFileToPixmap (NULL, FRAME_W32_WINDOW (f), |
| 9389 | XSTRING (file)->data, &img->pixmap, &img->mask, |
| 9390 | &attrs); |
| 9391 | } |
| 9392 | else |
| 9393 | { |
| 9394 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); |
| 9395 | rc = XpmCreatePixmapFromBuffer (NULL, FRAME_W32_WINDOW (f), |
| 9396 | XSTRING (buffer)->data, |
| 9397 | &img->pixmap, &img->mask, |
| 9398 | &attrs); |
| 9399 | } |
| 9400 | UNBLOCK_INPUT; |
| 9401 | |
| 9402 | if (rc == XpmSuccess) |
| 9403 | { |
| 9404 | /* Remember allocated colors. */ |
| 9405 | img->ncolors = attrs.nalloc_pixels; |
| 9406 | img->colors = (unsigned long *) xmalloc (img->ncolors |
| 9407 | * sizeof *img->colors); |
| 9408 | for (i = 0; i < attrs.nalloc_pixels; ++i) |
| 9409 | img->colors[i] = attrs.alloc_pixels[i]; |
| 9410 | |
| 9411 | img->width = attrs.width; |
| 9412 | img->height = attrs.height; |
| 9413 | xassert (img->width > 0 && img->height > 0); |
| 9414 | |
| 9415 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ |
| 9416 | BLOCK_INPUT; |
| 9417 | XpmFreeAttributes (&attrs); |
| 9418 | UNBLOCK_INPUT; |
| 9419 | } |
| 9420 | else |
| 9421 | { |
| 9422 | switch (rc) |
| 9423 | { |
| 9424 | case XpmOpenFailed: |
| 9425 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); |
| 9426 | break; |
| 9427 | |
| 9428 | case XpmFileInvalid: |
| 9429 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); |
| 9430 | break; |
| 9431 | |
| 9432 | case XpmNoMemory: |
| 9433 | image_error ("Out of memory (%s)", img->spec, Qnil); |
| 9434 | break; |
| 9435 | |
| 9436 | case XpmColorFailed: |
| 9437 | image_error ("Color allocation error (%s)", img->spec, Qnil); |
| 9438 | break; |
| 9439 | |
| 9440 | default: |
| 9441 | image_error ("Unknown error (%s)", img->spec, Qnil); |
| 9442 | break; |
| 9443 | } |
| 9444 | } |
| 9445 | |
| 9446 | return rc == XpmSuccess; |
| 9447 | } |
| 9448 | |
| 9449 | #endif /* HAVE_XPM != 0 */ |
| 9450 | |
| 9451 | \f |
| 9452 | #if 0 /* TODO : Color tables on W32. */ |
| 9453 | /*********************************************************************** |
| 9454 | Color table |
| 9455 | ***********************************************************************/ |
| 9456 | |
| 9457 | /* An entry in the color table mapping an RGB color to a pixel color. */ |
| 9458 | |
| 9459 | struct ct_color |
| 9460 | { |
| 9461 | int r, g, b; |
| 9462 | unsigned long pixel; |
| 9463 | |
| 9464 | /* Next in color table collision list. */ |
| 9465 | struct ct_color *next; |
| 9466 | }; |
| 9467 | |
| 9468 | /* The bucket vector size to use. Must be prime. */ |
| 9469 | |
| 9470 | #define CT_SIZE 101 |
| 9471 | |
| 9472 | /* Value is a hash of the RGB color given by R, G, and B. */ |
| 9473 | |
| 9474 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) |
| 9475 | |
| 9476 | /* The color hash table. */ |
| 9477 | |
| 9478 | struct ct_color **ct_table; |
| 9479 | |
| 9480 | /* Number of entries in the color table. */ |
| 9481 | |
| 9482 | int ct_colors_allocated; |
| 9483 | |
| 9484 | /* Function prototypes. */ |
| 9485 | |
| 9486 | static void init_color_table P_ ((void)); |
| 9487 | static void free_color_table P_ ((void)); |
| 9488 | static unsigned long *colors_in_color_table P_ ((int *n)); |
| 9489 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); |
| 9490 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); |
| 9491 | |
| 9492 | |
| 9493 | /* Initialize the color table. */ |
| 9494 | |
| 9495 | static void |
| 9496 | init_color_table () |
| 9497 | { |
| 9498 | int size = CT_SIZE * sizeof (*ct_table); |
| 9499 | ct_table = (struct ct_color **) xmalloc (size); |
| 9500 | bzero (ct_table, size); |
| 9501 | ct_colors_allocated = 0; |
| 9502 | } |
| 9503 | |
| 9504 | |
| 9505 | /* Free memory associated with the color table. */ |
| 9506 | |
| 9507 | static void |
| 9508 | free_color_table () |
| 9509 | { |
| 9510 | int i; |
| 9511 | struct ct_color *p, *next; |
| 9512 | |
| 9513 | for (i = 0; i < CT_SIZE; ++i) |
| 9514 | for (p = ct_table[i]; p; p = next) |
| 9515 | { |
| 9516 | next = p->next; |
| 9517 | xfree (p); |
| 9518 | } |
| 9519 | |
| 9520 | xfree (ct_table); |
| 9521 | ct_table = NULL; |
| 9522 | } |
| 9523 | |
| 9524 | |
| 9525 | /* Value is a pixel color for RGB color R, G, B on frame F. If an |
| 9526 | entry for that color already is in the color table, return the |
| 9527 | pixel color of that entry. Otherwise, allocate a new color for R, |
| 9528 | G, B, and make an entry in the color table. */ |
| 9529 | |
| 9530 | static unsigned long |
| 9531 | lookup_rgb_color (f, r, g, b) |
| 9532 | struct frame *f; |
| 9533 | int r, g, b; |
| 9534 | { |
| 9535 | unsigned hash = CT_HASH_RGB (r, g, b); |
| 9536 | int i = hash % CT_SIZE; |
| 9537 | struct ct_color *p; |
| 9538 | |
| 9539 | for (p = ct_table[i]; p; p = p->next) |
| 9540 | if (p->r == r && p->g == g && p->b == b) |
| 9541 | break; |
| 9542 | |
| 9543 | if (p == NULL) |
| 9544 | { |
| 9545 | COLORREF color; |
| 9546 | Colormap cmap; |
| 9547 | int rc; |
| 9548 | |
| 9549 | color = PALETTERGB (r, g, b); |
| 9550 | |
| 9551 | ++ct_colors_allocated; |
| 9552 | |
| 9553 | p = (struct ct_color *) xmalloc (sizeof *p); |
| 9554 | p->r = r; |
| 9555 | p->g = g; |
| 9556 | p->b = b; |
| 9557 | p->pixel = color; |
| 9558 | p->next = ct_table[i]; |
| 9559 | ct_table[i] = p; |
| 9560 | } |
| 9561 | |
| 9562 | return p->pixel; |
| 9563 | } |
| 9564 | |
| 9565 | |
| 9566 | /* Look up pixel color PIXEL which is used on frame F in the color |
| 9567 | table. If not already present, allocate it. Value is PIXEL. */ |
| 9568 | |
| 9569 | static unsigned long |
| 9570 | lookup_pixel_color (f, pixel) |
| 9571 | struct frame *f; |
| 9572 | unsigned long pixel; |
| 9573 | { |
| 9574 | int i = pixel % CT_SIZE; |
| 9575 | struct ct_color *p; |
| 9576 | |
| 9577 | for (p = ct_table[i]; p; p = p->next) |
| 9578 | if (p->pixel == pixel) |
| 9579 | break; |
| 9580 | |
| 9581 | if (p == NULL) |
| 9582 | { |
| 9583 | XColor color; |
| 9584 | Colormap cmap; |
| 9585 | int rc; |
| 9586 | |
| 9587 | BLOCK_INPUT; |
| 9588 | |
| 9589 | cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); |
| 9590 | color.pixel = pixel; |
| 9591 | XQueryColor (NULL, cmap, &color); |
| 9592 | rc = x_alloc_nearest_color (f, cmap, &color); |
| 9593 | UNBLOCK_INPUT; |
| 9594 | |
| 9595 | if (rc) |
| 9596 | { |
| 9597 | ++ct_colors_allocated; |
| 9598 | |
| 9599 | p = (struct ct_color *) xmalloc (sizeof *p); |
| 9600 | p->r = color.red; |
| 9601 | p->g = color.green; |
| 9602 | p->b = color.blue; |
| 9603 | p->pixel = pixel; |
| 9604 | p->next = ct_table[i]; |
| 9605 | ct_table[i] = p; |
| 9606 | } |
| 9607 | else |
| 9608 | return FRAME_FOREGROUND_PIXEL (f); |
| 9609 | } |
| 9610 | return p->pixel; |
| 9611 | } |
| 9612 | |
| 9613 | |
| 9614 | /* Value is a vector of all pixel colors contained in the color table, |
| 9615 | allocated via xmalloc. Set *N to the number of colors. */ |
| 9616 | |
| 9617 | static unsigned long * |
| 9618 | colors_in_color_table (n) |
| 9619 | int *n; |
| 9620 | { |
| 9621 | int i, j; |
| 9622 | struct ct_color *p; |
| 9623 | unsigned long *colors; |
| 9624 | |
| 9625 | if (ct_colors_allocated == 0) |
| 9626 | { |
| 9627 | *n = 0; |
| 9628 | colors = NULL; |
| 9629 | } |
| 9630 | else |
| 9631 | { |
| 9632 | colors = (unsigned long *) xmalloc (ct_colors_allocated |
| 9633 | * sizeof *colors); |
| 9634 | *n = ct_colors_allocated; |
| 9635 | |
| 9636 | for (i = j = 0; i < CT_SIZE; ++i) |
| 9637 | for (p = ct_table[i]; p; p = p->next) |
| 9638 | colors[j++] = p->pixel; |
| 9639 | } |
| 9640 | |
| 9641 | return colors; |
| 9642 | } |
| 9643 | |
| 9644 | #endif /* TODO */ |
| 9645 | |
| 9646 | \f |
| 9647 | /*********************************************************************** |
| 9648 | Algorithms |
| 9649 | ***********************************************************************/ |
| 9650 | |
| 9651 | #if 0 /* TODO : W32 versions of low level algorithms */ |
| 9652 | static void x_laplace_write_row P_ ((struct frame *, long *, |
| 9653 | int, XImage *, int)); |
| 9654 | static void x_laplace_read_row P_ ((struct frame *, Colormap, |
| 9655 | XColor *, int, XImage *, int)); |
| 9656 | |
| 9657 | |
| 9658 | /* Fill COLORS with RGB colors from row Y of image XIMG. F is the |
| 9659 | frame we operate on, CMAP is the color-map in effect, and WIDTH is |
| 9660 | the width of one row in the image. */ |
| 9661 | |
| 9662 | static void |
| 9663 | x_laplace_read_row (f, cmap, colors, width, ximg, y) |
| 9664 | struct frame *f; |
| 9665 | Colormap cmap; |
| 9666 | XColor *colors; |
| 9667 | int width; |
| 9668 | XImage *ximg; |
| 9669 | int y; |
| 9670 | { |
| 9671 | int x; |
| 9672 | |
| 9673 | for (x = 0; x < width; ++x) |
| 9674 | colors[x].pixel = XGetPixel (ximg, x, y); |
| 9675 | |
| 9676 | XQueryColors (NULL, cmap, colors, width); |
| 9677 | } |
| 9678 | |
| 9679 | |
| 9680 | /* Write row Y of image XIMG. PIXELS is an array of WIDTH longs |
| 9681 | containing the pixel colors to write. F is the frame we are |
| 9682 | working on. */ |
| 9683 | |
| 9684 | static void |
| 9685 | x_laplace_write_row (f, pixels, width, ximg, y) |
| 9686 | struct frame *f; |
| 9687 | long *pixels; |
| 9688 | int width; |
| 9689 | XImage *ximg; |
| 9690 | int y; |
| 9691 | { |
| 9692 | int x; |
| 9693 | |
| 9694 | for (x = 0; x < width; ++x) |
| 9695 | XPutPixel (ximg, x, y, pixels[x]); |
| 9696 | } |
| 9697 | #endif |
| 9698 | |
| 9699 | /* Transform image IMG which is used on frame F with a Laplace |
| 9700 | edge-detection algorithm. The result is an image that can be used |
| 9701 | to draw disabled buttons, for example. */ |
| 9702 | |
| 9703 | static void |
| 9704 | x_laplace (f, img) |
| 9705 | struct frame *f; |
| 9706 | struct image *img; |
| 9707 | { |
| 9708 | #if 0 /* TODO : W32 version */ |
| 9709 | Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); |
| 9710 | XImage *ximg, *oimg; |
| 9711 | XColor *in[3]; |
| 9712 | long *out; |
| 9713 | Pixmap pixmap; |
| 9714 | int x, y, i; |
| 9715 | long pixel; |
| 9716 | int in_y, out_y, rc; |
| 9717 | int mv2 = 45000; |
| 9718 | |
| 9719 | BLOCK_INPUT; |
| 9720 | |
| 9721 | /* Get the X image IMG->pixmap. */ |
| 9722 | ximg = XGetImage (NULL, img->pixmap, |
| 9723 | 0, 0, img->width, img->height, ~0, ZPixmap); |
| 9724 | |
| 9725 | /* Allocate 3 input rows, and one output row of colors. */ |
| 9726 | for (i = 0; i < 3; ++i) |
| 9727 | in[i] = (XColor *) alloca (img->width * sizeof (XColor)); |
| 9728 | out = (long *) alloca (img->width * sizeof (long)); |
| 9729 | |
| 9730 | /* Create an X image for output. */ |
| 9731 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
| 9732 | &oimg, &pixmap); |
| 9733 | |
| 9734 | /* Fill first two rows. */ |
| 9735 | x_laplace_read_row (f, cmap, in[0], img->width, ximg, 0); |
| 9736 | x_laplace_read_row (f, cmap, in[1], img->width, ximg, 1); |
| 9737 | in_y = 2; |
| 9738 | |
| 9739 | /* Write first row, all zeros. */ |
| 9740 | init_color_table (); |
| 9741 | pixel = lookup_rgb_color (f, 0, 0, 0); |
| 9742 | for (x = 0; x < img->width; ++x) |
| 9743 | out[x] = pixel; |
| 9744 | x_laplace_write_row (f, out, img->width, oimg, 0); |
| 9745 | out_y = 1; |
| 9746 | |
| 9747 | for (y = 2; y < img->height; ++y) |
| 9748 | { |
| 9749 | int rowa = y % 3; |
| 9750 | int rowb = (y + 2) % 3; |
| 9751 | |
| 9752 | x_laplace_read_row (f, cmap, in[rowa], img->width, ximg, in_y++); |
| 9753 | |
| 9754 | for (x = 0; x < img->width - 2; ++x) |
| 9755 | { |
| 9756 | int r = in[rowa][x].red + mv2 - in[rowb][x + 2].red; |
| 9757 | int g = in[rowa][x].green + mv2 - in[rowb][x + 2].green; |
| 9758 | int b = in[rowa][x].blue + mv2 - in[rowb][x + 2].blue; |
| 9759 | |
| 9760 | out[x + 1] = lookup_rgb_color (f, r & 0xffff, g & 0xffff, |
| 9761 | b & 0xffff); |
| 9762 | } |
| 9763 | |
| 9764 | x_laplace_write_row (f, out, img->width, oimg, out_y++); |
| 9765 | } |
| 9766 | |
| 9767 | /* Write last line, all zeros. */ |
| 9768 | for (x = 0; x < img->width; ++x) |
| 9769 | out[x] = pixel; |
| 9770 | x_laplace_write_row (f, out, img->width, oimg, out_y); |
| 9771 | |
| 9772 | /* Free the input image, and free resources of IMG. */ |
| 9773 | XDestroyImage (ximg); |
| 9774 | x_clear_image (f, img); |
| 9775 | |
| 9776 | /* Put the output image into pixmap, and destroy it. */ |
| 9777 | x_put_x_image (f, oimg, pixmap, img->width, img->height); |
| 9778 | x_destroy_x_image (oimg); |
| 9779 | |
| 9780 | /* Remember new pixmap and colors in IMG. */ |
| 9781 | img->pixmap = pixmap; |
| 9782 | img->colors = colors_in_color_table (&img->ncolors); |
| 9783 | free_color_table (); |
| 9784 | |
| 9785 | UNBLOCK_INPUT; |
| 9786 | #endif /* TODO */ |
| 9787 | } |
| 9788 | |
| 9789 | |
| 9790 | /* Build a mask for image IMG which is used on frame F. FILE is the |
| 9791 | name of an image file, for error messages. HOW determines how to |
| 9792 | determine the background color of IMG. If it is a list '(R G B)', |
| 9793 | with R, G, and B being integers >= 0, take that as the color of the |
| 9794 | background. Otherwise, determine the background color of IMG |
| 9795 | heuristically. Value is non-zero if successful. */ |
| 9796 | |
| 9797 | static int |
| 9798 | x_build_heuristic_mask (f, img, how) |
| 9799 | struct frame *f; |
| 9800 | struct image *img; |
| 9801 | Lisp_Object how; |
| 9802 | { |
| 9803 | #if 0 /* TODO : W32 version */ |
| 9804 | Display *dpy = FRAME_W32_DISPLAY (f); |
| 9805 | XImage *ximg, *mask_img; |
| 9806 | int x, y, rc, look_at_corners_p; |
| 9807 | unsigned long bg; |
| 9808 | |
| 9809 | BLOCK_INPUT; |
| 9810 | |
| 9811 | /* Create an image and pixmap serving as mask. */ |
| 9812 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
| 9813 | &mask_img, &img->mask); |
| 9814 | if (!rc) |
| 9815 | { |
| 9816 | UNBLOCK_INPUT; |
| 9817 | return 0; |
| 9818 | } |
| 9819 | |
| 9820 | /* Get the X image of IMG->pixmap. */ |
| 9821 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, |
| 9822 | ~0, ZPixmap); |
| 9823 | |
| 9824 | /* Determine the background color of ximg. If HOW is `(R G B)' |
| 9825 | take that as color. Otherwise, try to determine the color |
| 9826 | heuristically. */ |
| 9827 | look_at_corners_p = 1; |
| 9828 | |
| 9829 | if (CONSP (how)) |
| 9830 | { |
| 9831 | int rgb[3], i = 0; |
| 9832 | |
| 9833 | while (i < 3 |
| 9834 | && CONSP (how) |
| 9835 | && NATNUMP (XCAR (how))) |
| 9836 | { |
| 9837 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; |
| 9838 | how = XCDR (how); |
| 9839 | } |
| 9840 | |
| 9841 | if (i == 3 && NILP (how)) |
| 9842 | { |
| 9843 | char color_name[30]; |
| 9844 | XColor exact, color; |
| 9845 | Colormap cmap; |
| 9846 | |
| 9847 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); |
| 9848 | |
| 9849 | cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); |
| 9850 | if (XLookupColor (dpy, cmap, color_name, &exact, &color)) |
| 9851 | { |
| 9852 | bg = color.pixel; |
| 9853 | look_at_corners_p = 0; |
| 9854 | } |
| 9855 | } |
| 9856 | } |
| 9857 | |
| 9858 | if (look_at_corners_p) |
| 9859 | { |
| 9860 | unsigned long corners[4]; |
| 9861 | int i, best_count; |
| 9862 | |
| 9863 | /* Get the colors at the corners of ximg. */ |
| 9864 | corners[0] = XGetPixel (ximg, 0, 0); |
| 9865 | corners[1] = XGetPixel (ximg, img->width - 1, 0); |
| 9866 | corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1); |
| 9867 | corners[3] = XGetPixel (ximg, 0, img->height - 1); |
| 9868 | |
| 9869 | /* Choose the most frequently found color as background. */ |
| 9870 | for (i = best_count = 0; i < 4; ++i) |
| 9871 | { |
| 9872 | int j, n; |
| 9873 | |
| 9874 | for (j = n = 0; j < 4; ++j) |
| 9875 | if (corners[i] == corners[j]) |
| 9876 | ++n; |
| 9877 | |
| 9878 | if (n > best_count) |
| 9879 | bg = corners[i], best_count = n; |
| 9880 | } |
| 9881 | } |
| 9882 | |
| 9883 | /* Set all bits in mask_img to 1 whose color in ximg is different |
| 9884 | from the background color bg. */ |
| 9885 | for (y = 0; y < img->height; ++y) |
| 9886 | for (x = 0; x < img->width; ++x) |
| 9887 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); |
| 9888 | |
| 9889 | /* Put mask_img into img->mask. */ |
| 9890 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
| 9891 | x_destroy_x_image (mask_img); |
| 9892 | XDestroyImage (ximg); |
| 9893 | |
| 9894 | UNBLOCK_INPUT; |
| 9895 | #endif /* TODO */ |
| 9896 | |
| 9897 | return 1; |
| 9898 | } |
| 9899 | |
| 9900 | |
| 9901 | \f |
| 9902 | /*********************************************************************** |
| 9903 | PBM (mono, gray, color) |
| 9904 | ***********************************************************************/ |
| 9905 | #ifdef HAVE_PBM |
| 9906 | |
| 9907 | static int pbm_image_p P_ ((Lisp_Object object)); |
| 9908 | static int pbm_load P_ ((struct frame *f, struct image *img)); |
| 9909 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
| 9910 | |
| 9911 | /* The symbol `pbm' identifying images of this type. */ |
| 9912 | |
| 9913 | Lisp_Object Qpbm; |
| 9914 | |
| 9915 | /* Indices of image specification fields in gs_format, below. */ |
| 9916 | |
| 9917 | enum pbm_keyword_index |
| 9918 | { |
| 9919 | PBM_TYPE, |
| 9920 | PBM_FILE, |
| 9921 | PBM_DATA, |
| 9922 | PBM_ASCENT, |
| 9923 | PBM_MARGIN, |
| 9924 | PBM_RELIEF, |
| 9925 | PBM_ALGORITHM, |
| 9926 | PBM_HEURISTIC_MASK, |
| 9927 | PBM_LAST |
| 9928 | }; |
| 9929 | |
| 9930 | /* Vector of image_keyword structures describing the format |
| 9931 | of valid user-defined image specifications. */ |
| 9932 | |
| 9933 | static struct image_keyword pbm_format[PBM_LAST] = |
| 9934 | { |
| 9935 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 9936 | {":file", IMAGE_STRING_VALUE, 0}, |
| 9937 | {":data", IMAGE_STRING_VALUE, 0}, |
| 9938 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 9939 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 9940 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 9941 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9942 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 9943 | }; |
| 9944 | |
| 9945 | /* Structure describing the image type `pbm'. */ |
| 9946 | |
| 9947 | static struct image_type pbm_type = |
| 9948 | { |
| 9949 | &Qpbm, |
| 9950 | pbm_image_p, |
| 9951 | pbm_load, |
| 9952 | x_clear_image, |
| 9953 | NULL |
| 9954 | }; |
| 9955 | |
| 9956 | |
| 9957 | /* Return non-zero if OBJECT is a valid PBM image specification. */ |
| 9958 | |
| 9959 | static int |
| 9960 | pbm_image_p (object) |
| 9961 | Lisp_Object object; |
| 9962 | { |
| 9963 | struct image_keyword fmt[PBM_LAST]; |
| 9964 | |
| 9965 | bcopy (pbm_format, fmt, sizeof fmt); |
| 9966 | |
| 9967 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm) |
| 9968 | || (fmt[PBM_ASCENT].count |
| 9969 | && XFASTINT (fmt[PBM_ASCENT].value) > 100)) |
| 9970 | return 0; |
| 9971 | |
| 9972 | /* Must specify either :data or :file. */ |
| 9973 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; |
| 9974 | } |
| 9975 | |
| 9976 | |
| 9977 | /* Scan a decimal number from *S and return it. Advance *S while |
| 9978 | reading the number. END is the end of the string. Value is -1 at |
| 9979 | end of input. */ |
| 9980 | |
| 9981 | static int |
| 9982 | pbm_scan_number (s, end) |
| 9983 | unsigned char **s, *end; |
| 9984 | { |
| 9985 | int c, val = -1; |
| 9986 | |
| 9987 | while (*s < end) |
| 9988 | { |
| 9989 | /* Skip white-space. */ |
| 9990 | while (*s < end && (c = *(*s)++, isspace (c))) |
| 9991 | ; |
| 9992 | |
| 9993 | if (c == '#') |
| 9994 | { |
| 9995 | /* Skip comment to end of line. */ |
| 9996 | while (*s < end && (c = *(*s)++, c != '\n')) |
| 9997 | ; |
| 9998 | } |
| 9999 | else if (isdigit (c)) |
| 10000 | { |
| 10001 | /* Read decimal number. */ |
| 10002 | val = c - '0'; |
| 10003 | while (*s < end && (c = *(*s)++, isdigit (c))) |
| 10004 | val = 10 * val + c - '0'; |
| 10005 | break; |
| 10006 | } |
| 10007 | else |
| 10008 | break; |
| 10009 | } |
| 10010 | |
| 10011 | return val; |
| 10012 | } |
| 10013 | |
| 10014 | |
| 10015 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
| 10016 | with xmalloc holding FILE's contents. Value is null if an error |
| 10017 | occured. *SIZE is set to the size of the file. */ |
| 10018 | |
| 10019 | static char * |
| 10020 | pbm_read_file (file, size) |
| 10021 | Lisp_Object file; |
| 10022 | int *size; |
| 10023 | { |
| 10024 | FILE *fp = NULL; |
| 10025 | char *buf = NULL; |
| 10026 | struct stat st; |
| 10027 | |
| 10028 | if (stat (XSTRING (file)->data, &st) == 0 |
| 10029 | && (fp = fopen (XSTRING (file)->data, "r")) != NULL |
| 10030 | && (buf = (char *) xmalloc (st.st_size), |
| 10031 | fread (buf, 1, st.st_size, fp) == st.st_size)) |
| 10032 | { |
| 10033 | *size = st.st_size; |
| 10034 | fclose (fp); |
| 10035 | } |
| 10036 | else |
| 10037 | { |
| 10038 | if (fp) |
| 10039 | fclose (fp); |
| 10040 | if (buf) |
| 10041 | { |
| 10042 | xfree (buf); |
| 10043 | buf = NULL; |
| 10044 | } |
| 10045 | } |
| 10046 | |
| 10047 | return buf; |
| 10048 | } |
| 10049 | |
| 10050 | |
| 10051 | /* Load PBM image IMG for use on frame F. */ |
| 10052 | |
| 10053 | static int |
| 10054 | pbm_load (f, img) |
| 10055 | struct frame *f; |
| 10056 | struct image *img; |
| 10057 | { |
| 10058 | int raw_p, x, y; |
| 10059 | int width, height, max_color_idx = 0; |
| 10060 | XImage *ximg; |
| 10061 | Lisp_Object file, specified_file; |
| 10062 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; |
| 10063 | struct gcpro gcpro1; |
| 10064 | unsigned char *contents = NULL; |
| 10065 | unsigned char *end, *p; |
| 10066 | int size; |
| 10067 | |
| 10068 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 10069 | file = Qnil; |
| 10070 | GCPRO1 (file); |
| 10071 | |
| 10072 | if (STRINGP (specified_file)) |
| 10073 | { |
| 10074 | file = x_find_image_file (specified_file); |
| 10075 | if (!STRINGP (file)) |
| 10076 | { |
| 10077 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 10078 | UNGCPRO; |
| 10079 | return 0; |
| 10080 | } |
| 10081 | |
| 10082 | contents = pbm_read_file (file, &size); |
| 10083 | if (contents == NULL) |
| 10084 | { |
| 10085 | image_error ("Error reading `%s'", file, Qnil); |
| 10086 | UNGCPRO; |
| 10087 | return 0; |
| 10088 | } |
| 10089 | |
| 10090 | p = contents; |
| 10091 | end = contents + size; |
| 10092 | } |
| 10093 | else |
| 10094 | { |
| 10095 | Lisp_Object data; |
| 10096 | data = image_spec_value (img->spec, QCdata, NULL); |
| 10097 | p = XSTRING (data)->data; |
| 10098 | end = p + STRING_BYTES (XSTRING (data)); |
| 10099 | } |
| 10100 | |
| 10101 | /* Check magic number. */ |
| 10102 | if (end - p < 2 || *p++ != 'P') |
| 10103 | { |
| 10104 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
| 10105 | error: |
| 10106 | xfree (contents); |
| 10107 | UNGCPRO; |
| 10108 | return 0; |
| 10109 | } |
| 10110 | |
| 10111 | switch (*p++) |
| 10112 | { |
| 10113 | case '1': |
| 10114 | raw_p = 0, type = PBM_MONO; |
| 10115 | break; |
| 10116 | |
| 10117 | case '2': |
| 10118 | raw_p = 0, type = PBM_GRAY; |
| 10119 | break; |
| 10120 | |
| 10121 | case '3': |
| 10122 | raw_p = 0, type = PBM_COLOR; |
| 10123 | break; |
| 10124 | |
| 10125 | case '4': |
| 10126 | raw_p = 1, type = PBM_MONO; |
| 10127 | break; |
| 10128 | |
| 10129 | case '5': |
| 10130 | raw_p = 1, type = PBM_GRAY; |
| 10131 | break; |
| 10132 | |
| 10133 | case '6': |
| 10134 | raw_p = 1, type = PBM_COLOR; |
| 10135 | break; |
| 10136 | |
| 10137 | default: |
| 10138 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
| 10139 | goto error; |
| 10140 | } |
| 10141 | |
| 10142 | /* Read width, height, maximum color-component. Characters |
| 10143 | starting with `#' up to the end of a line are ignored. */ |
| 10144 | width = pbm_scan_number (&p, end); |
| 10145 | height = pbm_scan_number (&p, end); |
| 10146 | |
| 10147 | if (type != PBM_MONO) |
| 10148 | { |
| 10149 | max_color_idx = pbm_scan_number (&p, end); |
| 10150 | if (raw_p && max_color_idx > 255) |
| 10151 | max_color_idx = 255; |
| 10152 | } |
| 10153 | |
| 10154 | if (width < 0 |
| 10155 | || height < 0 |
| 10156 | || (type != PBM_MONO && max_color_idx < 0)) |
| 10157 | goto error; |
| 10158 | |
| 10159 | BLOCK_INPUT; |
| 10160 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
| 10161 | &ximg, &img->pixmap)) |
| 10162 | { |
| 10163 | UNBLOCK_INPUT; |
| 10164 | goto error; |
| 10165 | } |
| 10166 | |
| 10167 | /* Initialize the color hash table. */ |
| 10168 | init_color_table (); |
| 10169 | |
| 10170 | if (type == PBM_MONO) |
| 10171 | { |
| 10172 | int c = 0, g; |
| 10173 | |
| 10174 | for (y = 0; y < height; ++y) |
| 10175 | for (x = 0; x < width; ++x) |
| 10176 | { |
| 10177 | if (raw_p) |
| 10178 | { |
| 10179 | if ((x & 7) == 0) |
| 10180 | c = *p++; |
| 10181 | g = c & 0x80; |
| 10182 | c <<= 1; |
| 10183 | } |
| 10184 | else |
| 10185 | g = pbm_scan_number (&p, end); |
| 10186 | |
| 10187 | XPutPixel (ximg, x, y, (g |
| 10188 | ? FRAME_FOREGROUND_PIXEL (f) |
| 10189 | : FRAME_BACKGROUND_PIXEL (f))); |
| 10190 | } |
| 10191 | } |
| 10192 | else |
| 10193 | { |
| 10194 | for (y = 0; y < height; ++y) |
| 10195 | for (x = 0; x < width; ++x) |
| 10196 | { |
| 10197 | int r, g, b; |
| 10198 | |
| 10199 | if (type == PBM_GRAY) |
| 10200 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
| 10201 | else if (raw_p) |
| 10202 | { |
| 10203 | r = *p++; |
| 10204 | g = *p++; |
| 10205 | b = *p++; |
| 10206 | } |
| 10207 | else |
| 10208 | { |
| 10209 | r = pbm_scan_number (&p, end); |
| 10210 | g = pbm_scan_number (&p, end); |
| 10211 | b = pbm_scan_number (&p, end); |
| 10212 | } |
| 10213 | |
| 10214 | if (r < 0 || g < 0 || b < 0) |
| 10215 | { |
| 10216 | xfree (ximg->data); |
| 10217 | ximg->data = NULL; |
| 10218 | XDestroyImage (ximg); |
| 10219 | UNBLOCK_INPUT; |
| 10220 | image_error ("Invalid pixel value in image `%s'", |
| 10221 | img->spec, Qnil); |
| 10222 | goto error; |
| 10223 | } |
| 10224 | |
| 10225 | /* RGB values are now in the range 0..max_color_idx. |
| 10226 | Scale this to the range 0..0xffff supported by X. */ |
| 10227 | r = (double) r * 65535 / max_color_idx; |
| 10228 | g = (double) g * 65535 / max_color_idx; |
| 10229 | b = (double) b * 65535 / max_color_idx; |
| 10230 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); |
| 10231 | } |
| 10232 | } |
| 10233 | |
| 10234 | /* Store in IMG->colors the colors allocated for the image, and |
| 10235 | free the color table. */ |
| 10236 | img->colors = colors_in_color_table (&img->ncolors); |
| 10237 | free_color_table (); |
| 10238 | |
| 10239 | /* Put the image into a pixmap. */ |
| 10240 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 10241 | x_destroy_x_image (ximg); |
| 10242 | UNBLOCK_INPUT; |
| 10243 | |
| 10244 | img->width = width; |
| 10245 | img->height = height; |
| 10246 | |
| 10247 | UNGCPRO; |
| 10248 | xfree (contents); |
| 10249 | return 1; |
| 10250 | } |
| 10251 | #endif /* HAVE_PBM */ |
| 10252 | |
| 10253 | \f |
| 10254 | /*********************************************************************** |
| 10255 | PNG |
| 10256 | ***********************************************************************/ |
| 10257 | |
| 10258 | #if HAVE_PNG |
| 10259 | |
| 10260 | #include <png.h> |
| 10261 | |
| 10262 | /* Function prototypes. */ |
| 10263 | |
| 10264 | static int png_image_p P_ ((Lisp_Object object)); |
| 10265 | static int png_load P_ ((struct frame *f, struct image *img)); |
| 10266 | |
| 10267 | /* The symbol `png' identifying images of this type. */ |
| 10268 | |
| 10269 | Lisp_Object Qpng; |
| 10270 | |
| 10271 | /* Indices of image specification fields in png_format, below. */ |
| 10272 | |
| 10273 | enum png_keyword_index |
| 10274 | { |
| 10275 | PNG_TYPE, |
| 10276 | PNG_DATA, |
| 10277 | PNG_FILE, |
| 10278 | PNG_ASCENT, |
| 10279 | PNG_MARGIN, |
| 10280 | PNG_RELIEF, |
| 10281 | PNG_ALGORITHM, |
| 10282 | PNG_HEURISTIC_MASK, |
| 10283 | PNG_LAST |
| 10284 | }; |
| 10285 | |
| 10286 | /* Vector of image_keyword structures describing the format |
| 10287 | of valid user-defined image specifications. */ |
| 10288 | |
| 10289 | static struct image_keyword png_format[PNG_LAST] = |
| 10290 | { |
| 10291 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 10292 | {":data", IMAGE_STRING_VALUE, 0}, |
| 10293 | {":file", IMAGE_STRING_VALUE, 0}, |
| 10294 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 10295 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 10296 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 10297 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 10298 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 10299 | }; |
| 10300 | |
| 10301 | /* Structure describing the image type `png'. */ |
| 10302 | |
| 10303 | static struct image_type png_type = |
| 10304 | { |
| 10305 | &Qpng, |
| 10306 | png_image_p, |
| 10307 | png_load, |
| 10308 | x_clear_image, |
| 10309 | NULL |
| 10310 | }; |
| 10311 | |
| 10312 | |
| 10313 | /* Return non-zero if OBJECT is a valid PNG image specification. */ |
| 10314 | |
| 10315 | static int |
| 10316 | png_image_p (object) |
| 10317 | Lisp_Object object; |
| 10318 | { |
| 10319 | struct image_keyword fmt[PNG_LAST]; |
| 10320 | bcopy (png_format, fmt, sizeof fmt); |
| 10321 | |
| 10322 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng) |
| 10323 | || (fmt[PNG_ASCENT].count |
| 10324 | && XFASTINT (fmt[PNG_ASCENT].value) > 100)) |
| 10325 | return 0; |
| 10326 | |
| 10327 | /* Must specify either the :data or :file keyword. */ |
| 10328 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; |
| 10329 | } |
| 10330 | |
| 10331 | |
| 10332 | /* Error and warning handlers installed when the PNG library |
| 10333 | is initialized. */ |
| 10334 | |
| 10335 | static void |
| 10336 | my_png_error (png_ptr, msg) |
| 10337 | png_struct *png_ptr; |
| 10338 | char *msg; |
| 10339 | { |
| 10340 | xassert (png_ptr != NULL); |
| 10341 | image_error ("PNG error: %s", build_string (msg), Qnil); |
| 10342 | longjmp (png_ptr->jmpbuf, 1); |
| 10343 | } |
| 10344 | |
| 10345 | |
| 10346 | static void |
| 10347 | my_png_warning (png_ptr, msg) |
| 10348 | png_struct *png_ptr; |
| 10349 | char *msg; |
| 10350 | { |
| 10351 | xassert (png_ptr != NULL); |
| 10352 | image_error ("PNG warning: %s", build_string (msg), Qnil); |
| 10353 | } |
| 10354 | |
| 10355 | /* Memory source for PNG decoding. */ |
| 10356 | |
| 10357 | struct png_memory_storage |
| 10358 | { |
| 10359 | unsigned char *bytes; /* The data */ |
| 10360 | size_t len; /* How big is it? */ |
| 10361 | int index; /* Where are we? */ |
| 10362 | }; |
| 10363 | |
| 10364 | |
| 10365 | /* Function set as reader function when reading PNG image from memory. |
| 10366 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH |
| 10367 | bytes from the input to DATA. */ |
| 10368 | |
| 10369 | static void |
| 10370 | png_read_from_memory (png_ptr, data, length) |
| 10371 | png_structp png_ptr; |
| 10372 | png_bytep data; |
| 10373 | png_size_t length; |
| 10374 | { |
| 10375 | struct png_memory_storage *tbr |
| 10376 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); |
| 10377 | |
| 10378 | if (length > tbr->len - tbr->index) |
| 10379 | png_error (png_ptr, "Read error"); |
| 10380 | |
| 10381 | bcopy (tbr->bytes + tbr->index, data, length); |
| 10382 | tbr->index = tbr->index + length; |
| 10383 | } |
| 10384 | |
| 10385 | /* Load PNG image IMG for use on frame F. Value is non-zero if |
| 10386 | successful. */ |
| 10387 | |
| 10388 | static int |
| 10389 | png_load (f, img) |
| 10390 | struct frame *f; |
| 10391 | struct image *img; |
| 10392 | { |
| 10393 | Lisp_Object file, specified_file; |
| 10394 | Lisp_Object specified_data; |
| 10395 | int x, y, i; |
| 10396 | XImage *ximg, *mask_img = NULL; |
| 10397 | struct gcpro gcpro1; |
| 10398 | png_struct *png_ptr = NULL; |
| 10399 | png_info *info_ptr = NULL, *end_info = NULL; |
| 10400 | FILE *fp = NULL; |
| 10401 | png_byte sig[8]; |
| 10402 | png_byte *pixels = NULL; |
| 10403 | png_byte **rows = NULL; |
| 10404 | png_uint_32 width, height; |
| 10405 | int bit_depth, color_type, interlace_type; |
| 10406 | png_byte channels; |
| 10407 | png_uint_32 row_bytes; |
| 10408 | int transparent_p; |
| 10409 | char *gamma_str; |
| 10410 | double screen_gamma, image_gamma; |
| 10411 | int intent; |
| 10412 | struct png_memory_storage tbr; /* Data to be read */ |
| 10413 | |
| 10414 | /* Find out what file to load. */ |
| 10415 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 10416 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 10417 | file = Qnil; |
| 10418 | GCPRO1 (file); |
| 10419 | |
| 10420 | if (NILP (specified_data)) |
| 10421 | { |
| 10422 | file = x_find_image_file (specified_file); |
| 10423 | if (!STRINGP (file)) |
| 10424 | { |
| 10425 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 10426 | UNGCPRO; |
| 10427 | return 0; |
| 10428 | } |
| 10429 | |
| 10430 | /* Open the image file. */ |
| 10431 | fp = fopen (XSTRING (file)->data, "rb"); |
| 10432 | if (!fp) |
| 10433 | { |
| 10434 | image_error ("Cannot open image file `%s'", file, Qnil); |
| 10435 | UNGCPRO; |
| 10436 | fclose (fp); |
| 10437 | return 0; |
| 10438 | } |
| 10439 | |
| 10440 | /* Check PNG signature. */ |
| 10441 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig |
| 10442 | || !png_check_sig (sig, sizeof sig)) |
| 10443 | { |
| 10444 | image_error ("Not a PNG file:` %s'", file, Qnil); |
| 10445 | UNGCPRO; |
| 10446 | fclose (fp); |
| 10447 | return 0; |
| 10448 | } |
| 10449 | } |
| 10450 | else |
| 10451 | { |
| 10452 | /* Read from memory. */ |
| 10453 | tbr.bytes = XSTRING (specified_data)->data; |
| 10454 | tbr.len = STRING_BYTES (XSTRING (specified_data)); |
| 10455 | tbr.index = 0; |
| 10456 | |
| 10457 | /* Check PNG signature. */ |
| 10458 | if (tbr.len < sizeof sig |
| 10459 | || !png_check_sig (tbr.bytes, sizeof sig)) |
| 10460 | { |
| 10461 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
| 10462 | UNGCPRO; |
| 10463 | return 0; |
| 10464 | } |
| 10465 | |
| 10466 | /* Need to skip past the signature. */ |
| 10467 | tbr.bytes += sizeof (sig); |
| 10468 | } |
| 10469 | |
| 10470 | /* Initialize read and info structs for PNG lib. */ |
| 10471 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, |
| 10472 | my_png_error, my_png_warning); |
| 10473 | if (!png_ptr) |
| 10474 | { |
| 10475 | if (fp) fclose (fp); |
| 10476 | UNGCPRO; |
| 10477 | return 0; |
| 10478 | } |
| 10479 | |
| 10480 | info_ptr = png_create_info_struct (png_ptr); |
| 10481 | if (!info_ptr) |
| 10482 | { |
| 10483 | png_destroy_read_struct (&png_ptr, NULL, NULL); |
| 10484 | if (fp) fclose (fp); |
| 10485 | UNGCPRO; |
| 10486 | return 0; |
| 10487 | } |
| 10488 | |
| 10489 | end_info = png_create_info_struct (png_ptr); |
| 10490 | if (!end_info) |
| 10491 | { |
| 10492 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); |
| 10493 | if (fp) fclose (fp); |
| 10494 | UNGCPRO; |
| 10495 | return 0; |
| 10496 | } |
| 10497 | |
| 10498 | /* Set error jump-back. We come back here when the PNG library |
| 10499 | detects an error. */ |
| 10500 | if (setjmp (png_ptr->jmpbuf)) |
| 10501 | { |
| 10502 | error: |
| 10503 | if (png_ptr) |
| 10504 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 10505 | xfree (pixels); |
| 10506 | xfree (rows); |
| 10507 | if (fp) fclose (fp); |
| 10508 | UNGCPRO; |
| 10509 | return 0; |
| 10510 | } |
| 10511 | |
| 10512 | /* Read image info. */ |
| 10513 | if (!NILP (specified_data)) |
| 10514 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
| 10515 | else |
| 10516 | png_init_io (png_ptr, fp); |
| 10517 | |
| 10518 | png_set_sig_bytes (png_ptr, sizeof sig); |
| 10519 | png_read_info (png_ptr, info_ptr); |
| 10520 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, |
| 10521 | &interlace_type, NULL, NULL); |
| 10522 | |
| 10523 | /* If image contains simply transparency data, we prefer to |
| 10524 | construct a clipping mask. */ |
| 10525 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) |
| 10526 | transparent_p = 1; |
| 10527 | else |
| 10528 | transparent_p = 0; |
| 10529 | |
| 10530 | /* This function is easier to write if we only have to handle |
| 10531 | one data format: RGB or RGBA with 8 bits per channel. Let's |
| 10532 | transform other formats into that format. */ |
| 10533 | |
| 10534 | /* Strip more than 8 bits per channel. */ |
| 10535 | if (bit_depth == 16) |
| 10536 | png_set_strip_16 (png_ptr); |
| 10537 | |
| 10538 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel |
| 10539 | if available. */ |
| 10540 | png_set_expand (png_ptr); |
| 10541 | |
| 10542 | /* Convert grayscale images to RGB. */ |
| 10543 | if (color_type == PNG_COLOR_TYPE_GRAY |
| 10544 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) |
| 10545 | png_set_gray_to_rgb (png_ptr); |
| 10546 | |
| 10547 | /* The value 2.2 is a guess for PC monitors from PNG example.c. */ |
| 10548 | gamma_str = getenv ("SCREEN_GAMMA"); |
| 10549 | screen_gamma = gamma_str ? atof (gamma_str) : 2.2; |
| 10550 | |
| 10551 | /* Tell the PNG lib to handle gamma correction for us. */ |
| 10552 | |
| 10553 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
| 10554 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
| 10555 | /* There is a special chunk in the image specifying the gamma. */ |
| 10556 | png_set_sRGB (png_ptr, info_ptr, intent); |
| 10557 | else |
| 10558 | #endif |
| 10559 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) |
| 10560 | /* Image contains gamma information. */ |
| 10561 | png_set_gamma (png_ptr, screen_gamma, image_gamma); |
| 10562 | else |
| 10563 | /* Use a default of 0.5 for the image gamma. */ |
| 10564 | png_set_gamma (png_ptr, screen_gamma, 0.5); |
| 10565 | |
| 10566 | /* Handle alpha channel by combining the image with a background |
| 10567 | color. Do this only if a real alpha channel is supplied. For |
| 10568 | simple transparency, we prefer a clipping mask. */ |
| 10569 | if (!transparent_p) |
| 10570 | { |
| 10571 | png_color_16 *image_background; |
| 10572 | |
| 10573 | if (png_get_bKGD (png_ptr, info_ptr, &image_background)) |
| 10574 | /* Image contains a background color with which to |
| 10575 | combine the image. */ |
| 10576 | png_set_background (png_ptr, image_background, |
| 10577 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); |
| 10578 | else |
| 10579 | { |
| 10580 | /* Image does not contain a background color with which |
| 10581 | to combine the image data via an alpha channel. Use |
| 10582 | the frame's background instead. */ |
| 10583 | XColor color; |
| 10584 | Colormap cmap; |
| 10585 | png_color_16 frame_background; |
| 10586 | |
| 10587 | BLOCK_INPUT; |
| 10588 | cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); |
| 10589 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
| 10590 | XQueryColor (FRAME_W32_DISPLAY (f), cmap, &color); |
| 10591 | UNBLOCK_INPUT; |
| 10592 | |
| 10593 | bzero (&frame_background, sizeof frame_background); |
| 10594 | frame_background.red = color.red; |
| 10595 | frame_background.green = color.green; |
| 10596 | frame_background.blue = color.blue; |
| 10597 | |
| 10598 | png_set_background (png_ptr, &frame_background, |
| 10599 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); |
| 10600 | } |
| 10601 | } |
| 10602 | |
| 10603 | /* Update info structure. */ |
| 10604 | png_read_update_info (png_ptr, info_ptr); |
| 10605 | |
| 10606 | /* Get number of channels. Valid values are 1 for grayscale images |
| 10607 | and images with a palette, 2 for grayscale images with transparency |
| 10608 | information (alpha channel), 3 for RGB images, and 4 for RGB |
| 10609 | images with alpha channel, i.e. RGBA. If conversions above were |
| 10610 | sufficient we should only have 3 or 4 channels here. */ |
| 10611 | channels = png_get_channels (png_ptr, info_ptr); |
| 10612 | xassert (channels == 3 || channels == 4); |
| 10613 | |
| 10614 | /* Number of bytes needed for one row of the image. */ |
| 10615 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); |
| 10616 | |
| 10617 | /* Allocate memory for the image. */ |
| 10618 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); |
| 10619 | rows = (png_byte **) xmalloc (height * sizeof *rows); |
| 10620 | for (i = 0; i < height; ++i) |
| 10621 | rows[i] = pixels + i * row_bytes; |
| 10622 | |
| 10623 | /* Read the entire image. */ |
| 10624 | png_read_image (png_ptr, rows); |
| 10625 | png_read_end (png_ptr, info_ptr); |
| 10626 | if (fp) |
| 10627 | { |
| 10628 | fclose (fp); |
| 10629 | fp = NULL; |
| 10630 | } |
| 10631 | |
| 10632 | BLOCK_INPUT; |
| 10633 | |
| 10634 | /* Create the X image and pixmap. */ |
| 10635 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
| 10636 | &img->pixmap)) |
| 10637 | { |
| 10638 | UNBLOCK_INPUT; |
| 10639 | goto error; |
| 10640 | } |
| 10641 | |
| 10642 | /* Create an image and pixmap serving as mask if the PNG image |
| 10643 | contains an alpha channel. */ |
| 10644 | if (channels == 4 |
| 10645 | && !transparent_p |
| 10646 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
| 10647 | &mask_img, &img->mask)) |
| 10648 | { |
| 10649 | x_destroy_x_image (ximg); |
| 10650 | XFreePixmap (FRAME_W32_DISPLAY (f), img->pixmap); |
| 10651 | img->pixmap = 0; |
| 10652 | UNBLOCK_INPUT; |
| 10653 | goto error; |
| 10654 | } |
| 10655 | |
| 10656 | /* Fill the X image and mask from PNG data. */ |
| 10657 | init_color_table (); |
| 10658 | |
| 10659 | for (y = 0; y < height; ++y) |
| 10660 | { |
| 10661 | png_byte *p = rows[y]; |
| 10662 | |
| 10663 | for (x = 0; x < width; ++x) |
| 10664 | { |
| 10665 | unsigned r, g, b; |
| 10666 | |
| 10667 | r = *p++ << 8; |
| 10668 | g = *p++ << 8; |
| 10669 | b = *p++ << 8; |
| 10670 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); |
| 10671 | |
| 10672 | /* An alpha channel, aka mask channel, associates variable |
| 10673 | transparency with an image. Where other image formats |
| 10674 | support binary transparency---fully transparent or fully |
| 10675 | opaque---PNG allows up to 254 levels of partial transparency. |
| 10676 | The PNG library implements partial transparency by combining |
| 10677 | the image with a specified background color. |
| 10678 | |
| 10679 | I'm not sure how to handle this here nicely: because the |
| 10680 | background on which the image is displayed may change, for |
| 10681 | real alpha channel support, it would be necessary to create |
| 10682 | a new image for each possible background. |
| 10683 | |
| 10684 | What I'm doing now is that a mask is created if we have |
| 10685 | boolean transparency information. Otherwise I'm using |
| 10686 | the frame's background color to combine the image with. */ |
| 10687 | |
| 10688 | if (channels == 4) |
| 10689 | { |
| 10690 | if (mask_img) |
| 10691 | XPutPixel (mask_img, x, y, *p > 0); |
| 10692 | ++p; |
| 10693 | } |
| 10694 | } |
| 10695 | } |
| 10696 | |
| 10697 | /* Remember colors allocated for this image. */ |
| 10698 | img->colors = colors_in_color_table (&img->ncolors); |
| 10699 | free_color_table (); |
| 10700 | |
| 10701 | /* Clean up. */ |
| 10702 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 10703 | xfree (rows); |
| 10704 | xfree (pixels); |
| 10705 | |
| 10706 | img->width = width; |
| 10707 | img->height = height; |
| 10708 | |
| 10709 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 10710 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 10711 | x_destroy_x_image (ximg); |
| 10712 | |
| 10713 | /* Same for the mask. */ |
| 10714 | if (mask_img) |
| 10715 | { |
| 10716 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
| 10717 | x_destroy_x_image (mask_img); |
| 10718 | } |
| 10719 | |
| 10720 | UNBLOCK_INPUT; |
| 10721 | UNGCPRO; |
| 10722 | return 1; |
| 10723 | } |
| 10724 | |
| 10725 | #endif /* HAVE_PNG != 0 */ |
| 10726 | |
| 10727 | |
| 10728 | \f |
| 10729 | /*********************************************************************** |
| 10730 | JPEG |
| 10731 | ***********************************************************************/ |
| 10732 | |
| 10733 | #if HAVE_JPEG |
| 10734 | |
| 10735 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
| 10736 | jconfig.h. */ |
| 10737 | #ifdef HAVE_STDLIB_H |
| 10738 | #define HAVE_STDLIB_H_1 |
| 10739 | #undef HAVE_STDLIB_H |
| 10740 | #endif /* HAVE_STLIB_H */ |
| 10741 | |
| 10742 | #include <jpeglib.h> |
| 10743 | #include <jerror.h> |
| 10744 | #include <setjmp.h> |
| 10745 | |
| 10746 | #ifdef HAVE_STLIB_H_1 |
| 10747 | #define HAVE_STDLIB_H 1 |
| 10748 | #endif |
| 10749 | |
| 10750 | static int jpeg_image_p P_ ((Lisp_Object object)); |
| 10751 | static int jpeg_load P_ ((struct frame *f, struct image *img)); |
| 10752 | |
| 10753 | /* The symbol `jpeg' identifying images of this type. */ |
| 10754 | |
| 10755 | Lisp_Object Qjpeg; |
| 10756 | |
| 10757 | /* Indices of image specification fields in gs_format, below. */ |
| 10758 | |
| 10759 | enum jpeg_keyword_index |
| 10760 | { |
| 10761 | JPEG_TYPE, |
| 10762 | JPEG_DATA, |
| 10763 | JPEG_FILE, |
| 10764 | JPEG_ASCENT, |
| 10765 | JPEG_MARGIN, |
| 10766 | JPEG_RELIEF, |
| 10767 | JPEG_ALGORITHM, |
| 10768 | JPEG_HEURISTIC_MASK, |
| 10769 | JPEG_LAST |
| 10770 | }; |
| 10771 | |
| 10772 | /* Vector of image_keyword structures describing the format |
| 10773 | of valid user-defined image specifications. */ |
| 10774 | |
| 10775 | static struct image_keyword jpeg_format[JPEG_LAST] = |
| 10776 | { |
| 10777 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 10778 | {":data", IMAGE_STRING_VALUE, 0}, |
| 10779 | {":file", IMAGE_STRING_VALUE, 0}, |
| 10780 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 10781 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 10782 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 10783 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 10784 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 10785 | }; |
| 10786 | |
| 10787 | /* Structure describing the image type `jpeg'. */ |
| 10788 | |
| 10789 | static struct image_type jpeg_type = |
| 10790 | { |
| 10791 | &Qjpeg, |
| 10792 | jpeg_image_p, |
| 10793 | jpeg_load, |
| 10794 | x_clear_image, |
| 10795 | NULL |
| 10796 | }; |
| 10797 | |
| 10798 | |
| 10799 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ |
| 10800 | |
| 10801 | static int |
| 10802 | jpeg_image_p (object) |
| 10803 | Lisp_Object object; |
| 10804 | { |
| 10805 | struct image_keyword fmt[JPEG_LAST]; |
| 10806 | |
| 10807 | bcopy (jpeg_format, fmt, sizeof fmt); |
| 10808 | |
| 10809 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg) |
| 10810 | || (fmt[JPEG_ASCENT].count |
| 10811 | && XFASTINT (fmt[JPEG_ASCENT].value) > 100)) |
| 10812 | return 0; |
| 10813 | |
| 10814 | /* Must specify either the :data or :file keyword. */ |
| 10815 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; |
| 10816 | } |
| 10817 | |
| 10818 | |
| 10819 | struct my_jpeg_error_mgr |
| 10820 | { |
| 10821 | struct jpeg_error_mgr pub; |
| 10822 | jmp_buf setjmp_buffer; |
| 10823 | }; |
| 10824 | |
| 10825 | static void |
| 10826 | my_error_exit (cinfo) |
| 10827 | j_common_ptr cinfo; |
| 10828 | { |
| 10829 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; |
| 10830 | longjmp (mgr->setjmp_buffer, 1); |
| 10831 | } |
| 10832 | |
| 10833 | /* Init source method for JPEG data source manager. Called by |
| 10834 | jpeg_read_header() before any data is actually read. See |
| 10835 | libjpeg.doc from the JPEG lib distribution. */ |
| 10836 | |
| 10837 | static void |
| 10838 | our_init_source (cinfo) |
| 10839 | j_decompress_ptr cinfo; |
| 10840 | { |
| 10841 | } |
| 10842 | |
| 10843 | |
| 10844 | /* Fill input buffer method for JPEG data source manager. Called |
| 10845 | whenever more data is needed. We read the whole image in one step, |
| 10846 | so this only adds a fake end of input marker at the end. */ |
| 10847 | |
| 10848 | static boolean |
| 10849 | our_fill_input_buffer (cinfo) |
| 10850 | j_decompress_ptr cinfo; |
| 10851 | { |
| 10852 | /* Insert a fake EOI marker. */ |
| 10853 | struct jpeg_source_mgr *src = cinfo->src; |
| 10854 | static JOCTET buffer[2]; |
| 10855 | |
| 10856 | buffer[0] = (JOCTET) 0xFF; |
| 10857 | buffer[1] = (JOCTET) JPEG_EOI; |
| 10858 | |
| 10859 | src->next_input_byte = buffer; |
| 10860 | src->bytes_in_buffer = 2; |
| 10861 | return TRUE; |
| 10862 | } |
| 10863 | |
| 10864 | |
| 10865 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src |
| 10866 | is the JPEG data source manager. */ |
| 10867 | |
| 10868 | static void |
| 10869 | our_skip_input_data (cinfo, num_bytes) |
| 10870 | j_decompress_ptr cinfo; |
| 10871 | long num_bytes; |
| 10872 | { |
| 10873 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; |
| 10874 | |
| 10875 | if (src) |
| 10876 | { |
| 10877 | if (num_bytes > src->bytes_in_buffer) |
| 10878 | ERREXIT (cinfo, JERR_INPUT_EOF); |
| 10879 | |
| 10880 | src->bytes_in_buffer -= num_bytes; |
| 10881 | src->next_input_byte += num_bytes; |
| 10882 | } |
| 10883 | } |
| 10884 | |
| 10885 | |
| 10886 | /* Method to terminate data source. Called by |
| 10887 | jpeg_finish_decompress() after all data has been processed. */ |
| 10888 | |
| 10889 | static void |
| 10890 | our_term_source (cinfo) |
| 10891 | j_decompress_ptr cinfo; |
| 10892 | { |
| 10893 | } |
| 10894 | |
| 10895 | |
| 10896 | /* Set up the JPEG lib for reading an image from DATA which contains |
| 10897 | LEN bytes. CINFO is the decompression info structure created for |
| 10898 | reading the image. */ |
| 10899 | |
| 10900 | static void |
| 10901 | jpeg_memory_src (cinfo, data, len) |
| 10902 | j_decompress_ptr cinfo; |
| 10903 | JOCTET *data; |
| 10904 | unsigned int len; |
| 10905 | { |
| 10906 | struct jpeg_source_mgr *src; |
| 10907 | |
| 10908 | if (cinfo->src == NULL) |
| 10909 | { |
| 10910 | /* First time for this JPEG object? */ |
| 10911 | cinfo->src = (struct jpeg_source_mgr *) |
| 10912 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, |
| 10913 | sizeof (struct jpeg_source_mgr)); |
| 10914 | src = (struct jpeg_source_mgr *) cinfo->src; |
| 10915 | src->next_input_byte = data; |
| 10916 | } |
| 10917 | |
| 10918 | src = (struct jpeg_source_mgr *) cinfo->src; |
| 10919 | src->init_source = our_init_source; |
| 10920 | src->fill_input_buffer = our_fill_input_buffer; |
| 10921 | src->skip_input_data = our_skip_input_data; |
| 10922 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ |
| 10923 | src->term_source = our_term_source; |
| 10924 | src->bytes_in_buffer = len; |
| 10925 | src->next_input_byte = data; |
| 10926 | } |
| 10927 | |
| 10928 | |
| 10929 | /* Load image IMG for use on frame F. Patterned after example.c |
| 10930 | from the JPEG lib. */ |
| 10931 | |
| 10932 | static int |
| 10933 | jpeg_load (f, img) |
| 10934 | struct frame *f; |
| 10935 | struct image *img; |
| 10936 | { |
| 10937 | struct jpeg_decompress_struct cinfo; |
| 10938 | struct my_jpeg_error_mgr mgr; |
| 10939 | Lisp_Object file, specified_file; |
| 10940 | Lisp_Object specified_data; |
| 10941 | FILE *fp = NULL; |
| 10942 | JSAMPARRAY buffer; |
| 10943 | int row_stride, x, y; |
| 10944 | XImage *ximg = NULL; |
| 10945 | int rc; |
| 10946 | unsigned long *colors; |
| 10947 | int width, height; |
| 10948 | struct gcpro gcpro1; |
| 10949 | |
| 10950 | /* Open the JPEG file. */ |
| 10951 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 10952 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 10953 | file = Qnil; |
| 10954 | GCPRO1 (file); |
| 10955 | |
| 10956 | if (NILP (specified_data)) |
| 10957 | { |
| 10958 | file = x_find_image_file (specified_file); |
| 10959 | if (!STRINGP (file)) |
| 10960 | { |
| 10961 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 10962 | UNGCPRO; |
| 10963 | return 0; |
| 10964 | } |
| 10965 | |
| 10966 | fp = fopen (XSTRING (file)->data, "r"); |
| 10967 | if (fp == NULL) |
| 10968 | { |
| 10969 | image_error ("Cannot open `%s'", file, Qnil); |
| 10970 | UNGCPRO; |
| 10971 | return 0; |
| 10972 | } |
| 10973 | } |
| 10974 | |
| 10975 | /* Customize libjpeg's error handling to call my_error_exit when an |
| 10976 | error is detected. This function will perform a longjmp. */ |
| 10977 | mgr.pub.error_exit = my_error_exit; |
| 10978 | cinfo.err = jpeg_std_error (&mgr.pub); |
| 10979 | |
| 10980 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) |
| 10981 | { |
| 10982 | if (rc == 1) |
| 10983 | { |
| 10984 | /* Called from my_error_exit. Display a JPEG error. */ |
| 10985 | char buffer[JMSG_LENGTH_MAX]; |
| 10986 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); |
| 10987 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
| 10988 | build_string (buffer)); |
| 10989 | } |
| 10990 | |
| 10991 | /* Close the input file and destroy the JPEG object. */ |
| 10992 | if (fp) |
| 10993 | fclose (fp); |
| 10994 | jpeg_destroy_decompress (&cinfo); |
| 10995 | |
| 10996 | BLOCK_INPUT; |
| 10997 | |
| 10998 | /* If we already have an XImage, free that. */ |
| 10999 | x_destroy_x_image (ximg); |
| 11000 | |
| 11001 | /* Free pixmap and colors. */ |
| 11002 | x_clear_image (f, img); |
| 11003 | |
| 11004 | UNBLOCK_INPUT; |
| 11005 | UNGCPRO; |
| 11006 | return 0; |
| 11007 | } |
| 11008 | |
| 11009 | /* Create the JPEG decompression object. Let it read from fp. |
| 11010 | Read the JPEG image header. */ |
| 11011 | jpeg_create_decompress (&cinfo); |
| 11012 | |
| 11013 | if (NILP (specified_data)) |
| 11014 | jpeg_stdio_src (&cinfo, fp); |
| 11015 | else |
| 11016 | jpeg_memory_src (&cinfo, XSTRING (specified_data)->data, |
| 11017 | STRING_BYTES (XSTRING (specified_data))); |
| 11018 | |
| 11019 | jpeg_read_header (&cinfo, TRUE); |
| 11020 | |
| 11021 | /* Customize decompression so that color quantization will be used. |
| 11022 | Start decompression. */ |
| 11023 | cinfo.quantize_colors = TRUE; |
| 11024 | jpeg_start_decompress (&cinfo); |
| 11025 | width = img->width = cinfo.output_width; |
| 11026 | height = img->height = cinfo.output_height; |
| 11027 | |
| 11028 | BLOCK_INPUT; |
| 11029 | |
| 11030 | /* Create X image and pixmap. */ |
| 11031 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
| 11032 | &img->pixmap)) |
| 11033 | { |
| 11034 | UNBLOCK_INPUT; |
| 11035 | longjmp (mgr.setjmp_buffer, 2); |
| 11036 | } |
| 11037 | |
| 11038 | /* Allocate colors. When color quantization is used, |
| 11039 | cinfo.actual_number_of_colors has been set with the number of |
| 11040 | colors generated, and cinfo.colormap is a two-dimensional array |
| 11041 | of color indices in the range 0..cinfo.actual_number_of_colors. |
| 11042 | No more than 255 colors will be generated. */ |
| 11043 | { |
| 11044 | int i, ir, ig, ib; |
| 11045 | |
| 11046 | if (cinfo.out_color_components > 2) |
| 11047 | ir = 0, ig = 1, ib = 2; |
| 11048 | else if (cinfo.out_color_components > 1) |
| 11049 | ir = 0, ig = 1, ib = 0; |
| 11050 | else |
| 11051 | ir = 0, ig = 0, ib = 0; |
| 11052 | |
| 11053 | /* Use the color table mechanism because it handles colors that |
| 11054 | cannot be allocated nicely. Such colors will be replaced with |
| 11055 | a default color, and we don't have to care about which colors |
| 11056 | can be freed safely, and which can't. */ |
| 11057 | init_color_table (); |
| 11058 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors |
| 11059 | * sizeof *colors); |
| 11060 | |
| 11061 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
| 11062 | { |
| 11063 | /* Multiply RGB values with 255 because X expects RGB values |
| 11064 | in the range 0..0xffff. */ |
| 11065 | int r = cinfo.colormap[ir][i] << 8; |
| 11066 | int g = cinfo.colormap[ig][i] << 8; |
| 11067 | int b = cinfo.colormap[ib][i] << 8; |
| 11068 | colors[i] = lookup_rgb_color (f, r, g, b); |
| 11069 | } |
| 11070 | |
| 11071 | /* Remember those colors actually allocated. */ |
| 11072 | img->colors = colors_in_color_table (&img->ncolors); |
| 11073 | free_color_table (); |
| 11074 | } |
| 11075 | |
| 11076 | /* Read pixels. */ |
| 11077 | row_stride = width * cinfo.output_components; |
| 11078 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, |
| 11079 | row_stride, 1); |
| 11080 | for (y = 0; y < height; ++y) |
| 11081 | { |
| 11082 | jpeg_read_scanlines (&cinfo, buffer, 1); |
| 11083 | for (x = 0; x < cinfo.output_width; ++x) |
| 11084 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); |
| 11085 | } |
| 11086 | |
| 11087 | /* Clean up. */ |
| 11088 | jpeg_finish_decompress (&cinfo); |
| 11089 | jpeg_destroy_decompress (&cinfo); |
| 11090 | if (fp) |
| 11091 | fclose (fp); |
| 11092 | |
| 11093 | /* Put the image into the pixmap. */ |
| 11094 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 11095 | x_destroy_x_image (ximg); |
| 11096 | UNBLOCK_INPUT; |
| 11097 | UNGCPRO; |
| 11098 | return 1; |
| 11099 | } |
| 11100 | |
| 11101 | #endif /* HAVE_JPEG */ |
| 11102 | |
| 11103 | |
| 11104 | \f |
| 11105 | /*********************************************************************** |
| 11106 | TIFF |
| 11107 | ***********************************************************************/ |
| 11108 | |
| 11109 | #if HAVE_TIFF |
| 11110 | |
| 11111 | #include <tiffio.h> |
| 11112 | |
| 11113 | static int tiff_image_p P_ ((Lisp_Object object)); |
| 11114 | static int tiff_load P_ ((struct frame *f, struct image *img)); |
| 11115 | |
| 11116 | /* The symbol `tiff' identifying images of this type. */ |
| 11117 | |
| 11118 | Lisp_Object Qtiff; |
| 11119 | |
| 11120 | /* Indices of image specification fields in tiff_format, below. */ |
| 11121 | |
| 11122 | enum tiff_keyword_index |
| 11123 | { |
| 11124 | TIFF_TYPE, |
| 11125 | TIFF_DATA, |
| 11126 | TIFF_FILE, |
| 11127 | TIFF_ASCENT, |
| 11128 | TIFF_MARGIN, |
| 11129 | TIFF_RELIEF, |
| 11130 | TIFF_ALGORITHM, |
| 11131 | TIFF_HEURISTIC_MASK, |
| 11132 | TIFF_LAST |
| 11133 | }; |
| 11134 | |
| 11135 | /* Vector of image_keyword structures describing the format |
| 11136 | of valid user-defined image specifications. */ |
| 11137 | |
| 11138 | static struct image_keyword tiff_format[TIFF_LAST] = |
| 11139 | { |
| 11140 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 11141 | {":data", IMAGE_STRING_VALUE, 0}, |
| 11142 | {":file", IMAGE_STRING_VALUE, 0}, |
| 11143 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 11144 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 11145 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 11146 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 11147 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 11148 | }; |
| 11149 | |
| 11150 | /* Structure describing the image type `tiff'. */ |
| 11151 | |
| 11152 | static struct image_type tiff_type = |
| 11153 | { |
| 11154 | &Qtiff, |
| 11155 | tiff_image_p, |
| 11156 | tiff_load, |
| 11157 | x_clear_image, |
| 11158 | NULL |
| 11159 | }; |
| 11160 | |
| 11161 | |
| 11162 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ |
| 11163 | |
| 11164 | static int |
| 11165 | tiff_image_p (object) |
| 11166 | Lisp_Object object; |
| 11167 | { |
| 11168 | struct image_keyword fmt[TIFF_LAST]; |
| 11169 | bcopy (tiff_format, fmt, sizeof fmt); |
| 11170 | |
| 11171 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff) |
| 11172 | || (fmt[TIFF_ASCENT].count |
| 11173 | && XFASTINT (fmt[TIFF_ASCENT].value) > 100)) |
| 11174 | return 0; |
| 11175 | |
| 11176 | /* Must specify either the :data or :file keyword. */ |
| 11177 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; |
| 11178 | } |
| 11179 | |
| 11180 | |
| 11181 | /* Reading from a memory buffer for TIFF images Based on the PNG |
| 11182 | memory source, but we have to provide a lot of extra functions. |
| 11183 | Blah. |
| 11184 | |
| 11185 | We really only need to implement read and seek, but I am not |
| 11186 | convinced that the TIFF library is smart enough not to destroy |
| 11187 | itself if we only hand it the function pointers we need to |
| 11188 | override. */ |
| 11189 | |
| 11190 | typedef struct |
| 11191 | { |
| 11192 | unsigned char *bytes; |
| 11193 | size_t len; |
| 11194 | int index; |
| 11195 | } |
| 11196 | tiff_memory_source; |
| 11197 | |
| 11198 | static size_t |
| 11199 | tiff_read_from_memory (data, buf, size) |
| 11200 | thandle_t data; |
| 11201 | tdata_t buf; |
| 11202 | tsize_t size; |
| 11203 | { |
| 11204 | tiff_memory_source *src = (tiff_memory_source *) data; |
| 11205 | |
| 11206 | if (size > src->len - src->index) |
| 11207 | return (size_t) -1; |
| 11208 | bcopy (src->bytes + src->index, buf, size); |
| 11209 | src->index += size; |
| 11210 | return size; |
| 11211 | } |
| 11212 | |
| 11213 | static size_t |
| 11214 | tiff_write_from_memory (data, buf, size) |
| 11215 | thandle_t data; |
| 11216 | tdata_t buf; |
| 11217 | tsize_t size; |
| 11218 | { |
| 11219 | return (size_t) -1; |
| 11220 | } |
| 11221 | |
| 11222 | static toff_t |
| 11223 | tiff_seek_in_memory (data, off, whence) |
| 11224 | thandle_t data; |
| 11225 | toff_t off; |
| 11226 | int whence; |
| 11227 | { |
| 11228 | tiff_memory_source *src = (tiff_memory_source *) data; |
| 11229 | int idx; |
| 11230 | |
| 11231 | switch (whence) |
| 11232 | { |
| 11233 | case SEEK_SET: /* Go from beginning of source. */ |
| 11234 | idx = off; |
| 11235 | break; |
| 11236 | |
| 11237 | case SEEK_END: /* Go from end of source. */ |
| 11238 | idx = src->len + off; |
| 11239 | break; |
| 11240 | |
| 11241 | case SEEK_CUR: /* Go from current position. */ |
| 11242 | idx = src->index + off; |
| 11243 | break; |
| 11244 | |
| 11245 | default: /* Invalid `whence'. */ |
| 11246 | return -1; |
| 11247 | } |
| 11248 | |
| 11249 | if (idx > src->len || idx < 0) |
| 11250 | return -1; |
| 11251 | |
| 11252 | src->index = idx; |
| 11253 | return src->index; |
| 11254 | } |
| 11255 | |
| 11256 | static int |
| 11257 | tiff_close_memory (data) |
| 11258 | thandle_t data; |
| 11259 | { |
| 11260 | /* NOOP */ |
| 11261 | return 0; |
| 11262 | } |
| 11263 | |
| 11264 | static int |
| 11265 | tiff_mmap_memory (data, pbase, psize) |
| 11266 | thandle_t data; |
| 11267 | tdata_t *pbase; |
| 11268 | toff_t *psize; |
| 11269 | { |
| 11270 | /* It is already _IN_ memory. */ |
| 11271 | return 0; |
| 11272 | } |
| 11273 | |
| 11274 | static void |
| 11275 | tiff_unmap_memory (data, base, size) |
| 11276 | thandle_t data; |
| 11277 | tdata_t base; |
| 11278 | toff_t size; |
| 11279 | { |
| 11280 | /* We don't need to do this. */ |
| 11281 | } |
| 11282 | |
| 11283 | static toff_t |
| 11284 | tiff_size_of_memory (data) |
| 11285 | thandle_t data; |
| 11286 | { |
| 11287 | return ((tiff_memory_source *) data)->len; |
| 11288 | } |
| 11289 | |
| 11290 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
| 11291 | successful. */ |
| 11292 | |
| 11293 | static int |
| 11294 | tiff_load (f, img) |
| 11295 | struct frame *f; |
| 11296 | struct image *img; |
| 11297 | { |
| 11298 | Lisp_Object file, specified_file; |
| 11299 | Lisp_Object specified_data; |
| 11300 | TIFF *tiff; |
| 11301 | int width, height, x, y; |
| 11302 | uint32 *buf; |
| 11303 | int rc; |
| 11304 | XImage *ximg; |
| 11305 | struct gcpro gcpro1; |
| 11306 | tiff_memory_source memsrc; |
| 11307 | |
| 11308 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 11309 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 11310 | file = Qnil; |
| 11311 | GCPRO1 (file); |
| 11312 | |
| 11313 | if (NILP (specified_data)) |
| 11314 | { |
| 11315 | /* Read from a file */ |
| 11316 | file = x_find_image_file (specified_file); |
| 11317 | if (!STRINGP (file)) |
| 11318 | { |
| 11319 | image_error ("Cannot find image file `%s'", file, Qnil); |
| 11320 | UNGCPRO; |
| 11321 | return 0; |
| 11322 | } |
| 11323 | |
| 11324 | /* Try to open the image file. */ |
| 11325 | tiff = TIFFOpen (XSTRING (file)->data, "r"); |
| 11326 | if (tiff == NULL) |
| 11327 | { |
| 11328 | image_error ("Cannot open `%s'", file, Qnil); |
| 11329 | UNGCPRO; |
| 11330 | return 0; |
| 11331 | } |
| 11332 | } |
| 11333 | else |
| 11334 | { |
| 11335 | /* Memory source! */ |
| 11336 | memsrc.bytes = XSTRING (specified_data)->data; |
| 11337 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); |
| 11338 | memsrc.index = 0; |
| 11339 | |
| 11340 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, |
| 11341 | (TIFFReadWriteProc) tiff_read_from_memory, |
| 11342 | (TIFFReadWriteProc) tiff_write_from_memory, |
| 11343 | tiff_seek_in_memory, |
| 11344 | tiff_close_memory, |
| 11345 | tiff_size_of_memory, |
| 11346 | tiff_mmap_memory, |
| 11347 | tiff_unmap_memory); |
| 11348 | |
| 11349 | if (!tiff) |
| 11350 | { |
| 11351 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
| 11352 | UNGCPRO; |
| 11353 | return 0; |
| 11354 | } |
| 11355 | } |
| 11356 | |
| 11357 | /* Get width and height of the image, and allocate a raster buffer |
| 11358 | of width x height 32-bit values. */ |
| 11359 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); |
| 11360 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); |
| 11361 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); |
| 11362 | |
| 11363 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); |
| 11364 | TIFFClose (tiff); |
| 11365 | if (!rc) |
| 11366 | { |
| 11367 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
| 11368 | xfree (buf); |
| 11369 | UNGCPRO; |
| 11370 | return 0; |
| 11371 | } |
| 11372 | |
| 11373 | BLOCK_INPUT; |
| 11374 | |
| 11375 | /* Create the X image and pixmap. */ |
| 11376 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
| 11377 | { |
| 11378 | UNBLOCK_INPUT; |
| 11379 | xfree (buf); |
| 11380 | UNGCPRO; |
| 11381 | return 0; |
| 11382 | } |
| 11383 | |
| 11384 | /* Initialize the color table. */ |
| 11385 | init_color_table (); |
| 11386 | |
| 11387 | /* Process the pixel raster. Origin is in the lower-left corner. */ |
| 11388 | for (y = 0; y < height; ++y) |
| 11389 | { |
| 11390 | uint32 *row = buf + y * width; |
| 11391 | |
| 11392 | for (x = 0; x < width; ++x) |
| 11393 | { |
| 11394 | uint32 abgr = row[x]; |
| 11395 | int r = TIFFGetR (abgr) << 8; |
| 11396 | int g = TIFFGetG (abgr) << 8; |
| 11397 | int b = TIFFGetB (abgr) << 8; |
| 11398 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); |
| 11399 | } |
| 11400 | } |
| 11401 | |
| 11402 | /* Remember the colors allocated for the image. Free the color table. */ |
| 11403 | img->colors = colors_in_color_table (&img->ncolors); |
| 11404 | free_color_table (); |
| 11405 | |
| 11406 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 11407 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 11408 | x_destroy_x_image (ximg); |
| 11409 | xfree (buf); |
| 11410 | UNBLOCK_INPUT; |
| 11411 | |
| 11412 | img->width = width; |
| 11413 | img->height = height; |
| 11414 | |
| 11415 | UNGCPRO; |
| 11416 | return 1; |
| 11417 | } |
| 11418 | |
| 11419 | #endif /* HAVE_TIFF != 0 */ |
| 11420 | |
| 11421 | |
| 11422 | \f |
| 11423 | /*********************************************************************** |
| 11424 | GIF |
| 11425 | ***********************************************************************/ |
| 11426 | |
| 11427 | #if HAVE_GIF |
| 11428 | |
| 11429 | #include <gif_lib.h> |
| 11430 | |
| 11431 | static int gif_image_p P_ ((Lisp_Object object)); |
| 11432 | static int gif_load P_ ((struct frame *f, struct image *img)); |
| 11433 | |
| 11434 | /* The symbol `gif' identifying images of this type. */ |
| 11435 | |
| 11436 | Lisp_Object Qgif; |
| 11437 | |
| 11438 | /* Indices of image specification fields in gif_format, below. */ |
| 11439 | |
| 11440 | enum gif_keyword_index |
| 11441 | { |
| 11442 | GIF_TYPE, |
| 11443 | GIF_DATA, |
| 11444 | GIF_FILE, |
| 11445 | GIF_ASCENT, |
| 11446 | GIF_MARGIN, |
| 11447 | GIF_RELIEF, |
| 11448 | GIF_ALGORITHM, |
| 11449 | GIF_HEURISTIC_MASK, |
| 11450 | GIF_IMAGE, |
| 11451 | GIF_LAST |
| 11452 | }; |
| 11453 | |
| 11454 | /* Vector of image_keyword structures describing the format |
| 11455 | of valid user-defined image specifications. */ |
| 11456 | |
| 11457 | static struct image_keyword gif_format[GIF_LAST] = |
| 11458 | { |
| 11459 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 11460 | {":data", IMAGE_STRING_VALUE, 0}, |
| 11461 | {":file", IMAGE_STRING_VALUE, 0}, |
| 11462 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 11463 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 11464 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 11465 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 11466 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 11467 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0} |
| 11468 | }; |
| 11469 | |
| 11470 | /* Structure describing the image type `gif'. */ |
| 11471 | |
| 11472 | static struct image_type gif_type = |
| 11473 | { |
| 11474 | &Qgif, |
| 11475 | gif_image_p, |
| 11476 | gif_load, |
| 11477 | x_clear_image, |
| 11478 | NULL |
| 11479 | }; |
| 11480 | |
| 11481 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
| 11482 | |
| 11483 | static int |
| 11484 | gif_image_p (object) |
| 11485 | Lisp_Object object; |
| 11486 | { |
| 11487 | struct image_keyword fmt[GIF_LAST]; |
| 11488 | bcopy (gif_format, fmt, sizeof fmt); |
| 11489 | |
| 11490 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif) |
| 11491 | || (fmt[GIF_ASCENT].count |
| 11492 | && XFASTINT (fmt[GIF_ASCENT].value) > 100)) |
| 11493 | return 0; |
| 11494 | |
| 11495 | /* Must specify either the :data or :file keyword. */ |
| 11496 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; |
| 11497 | } |
| 11498 | |
| 11499 | /* Reading a GIF image from memory |
| 11500 | Based on the PNG memory stuff to a certain extent. */ |
| 11501 | |
| 11502 | typedef struct |
| 11503 | { |
| 11504 | unsigned char *bytes; |
| 11505 | size_t len; |
| 11506 | int index; |
| 11507 | } |
| 11508 | gif_memory_source; |
| 11509 | |
| 11510 | /* Make the current memory source available to gif_read_from_memory. |
| 11511 | It's done this way because not all versions of libungif support |
| 11512 | a UserData field in the GifFileType structure. */ |
| 11513 | static gif_memory_source *current_gif_memory_src; |
| 11514 | |
| 11515 | static int |
| 11516 | gif_read_from_memory (file, buf, len) |
| 11517 | GifFileType *file; |
| 11518 | GifByteType *buf; |
| 11519 | int len; |
| 11520 | { |
| 11521 | gif_memory_source *src = current_gif_memory_src; |
| 11522 | |
| 11523 | if (len > src->len - src->index) |
| 11524 | return -1; |
| 11525 | |
| 11526 | bcopy (src->bytes + src->index, buf, len); |
| 11527 | src->index += len; |
| 11528 | return len; |
| 11529 | } |
| 11530 | |
| 11531 | |
| 11532 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
| 11533 | successful. */ |
| 11534 | |
| 11535 | static int |
| 11536 | gif_load (f, img) |
| 11537 | struct frame *f; |
| 11538 | struct image *img; |
| 11539 | { |
| 11540 | Lisp_Object file, specified_file; |
| 11541 | Lisp_Object specified_data; |
| 11542 | int rc, width, height, x, y, i; |
| 11543 | XImage *ximg; |
| 11544 | ColorMapObject *gif_color_map; |
| 11545 | unsigned long pixel_colors[256]; |
| 11546 | GifFileType *gif; |
| 11547 | struct gcpro gcpro1; |
| 11548 | Lisp_Object image; |
| 11549 | int ino, image_left, image_top, image_width, image_height; |
| 11550 | gif_memory_source memsrc; |
| 11551 | unsigned char *raster; |
| 11552 | |
| 11553 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 11554 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 11555 | file = Qnil; |
| 11556 | GCPRO1 (file); |
| 11557 | |
| 11558 | if (NILP (specified_data)) |
| 11559 | { |
| 11560 | file = x_find_image_file (specified_file); |
| 11561 | if (!STRINGP (file)) |
| 11562 | { |
| 11563 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 11564 | UNGCPRO; |
| 11565 | return 0; |
| 11566 | } |
| 11567 | |
| 11568 | /* Open the GIF file. */ |
| 11569 | gif = DGifOpenFileName (XSTRING (file)->data); |
| 11570 | if (gif == NULL) |
| 11571 | { |
| 11572 | image_error ("Cannot open `%s'", file, Qnil); |
| 11573 | UNGCPRO; |
| 11574 | return 0; |
| 11575 | } |
| 11576 | } |
| 11577 | else |
| 11578 | { |
| 11579 | /* Read from memory! */ |
| 11580 | current_gif_memory_src = &memsrc; |
| 11581 | memsrc.bytes = XSTRING (specified_data)->data; |
| 11582 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); |
| 11583 | memsrc.index = 0; |
| 11584 | |
| 11585 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
| 11586 | if (!gif) |
| 11587 | { |
| 11588 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
| 11589 | UNGCPRO; |
| 11590 | return 0; |
| 11591 | } |
| 11592 | } |
| 11593 | |
| 11594 | /* Read entire contents. */ |
| 11595 | rc = DGifSlurp (gif); |
| 11596 | if (rc == GIF_ERROR) |
| 11597 | { |
| 11598 | image_error ("Error reading `%s'", img->spec, Qnil); |
| 11599 | DGifCloseFile (gif); |
| 11600 | UNGCPRO; |
| 11601 | return 0; |
| 11602 | } |
| 11603 | |
| 11604 | image = image_spec_value (img->spec, QCindex, NULL); |
| 11605 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
| 11606 | if (ino >= gif->ImageCount) |
| 11607 | { |
| 11608 | image_error ("Invalid image number `%s' in image `%s'", |
| 11609 | image, img->spec); |
| 11610 | DGifCloseFile (gif); |
| 11611 | UNGCPRO; |
| 11612 | return 0; |
| 11613 | } |
| 11614 | |
| 11615 | width = img->width = gif->SWidth; |
| 11616 | height = img->height = gif->SHeight; |
| 11617 | |
| 11618 | BLOCK_INPUT; |
| 11619 | |
| 11620 | /* Create the X image and pixmap. */ |
| 11621 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
| 11622 | { |
| 11623 | UNBLOCK_INPUT; |
| 11624 | DGifCloseFile (gif); |
| 11625 | UNGCPRO; |
| 11626 | return 0; |
| 11627 | } |
| 11628 | |
| 11629 | /* Allocate colors. */ |
| 11630 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; |
| 11631 | if (!gif_color_map) |
| 11632 | gif_color_map = gif->SColorMap; |
| 11633 | init_color_table (); |
| 11634 | bzero (pixel_colors, sizeof pixel_colors); |
| 11635 | |
| 11636 | for (i = 0; i < gif_color_map->ColorCount; ++i) |
| 11637 | { |
| 11638 | int r = gif_color_map->Colors[i].Red << 8; |
| 11639 | int g = gif_color_map->Colors[i].Green << 8; |
| 11640 | int b = gif_color_map->Colors[i].Blue << 8; |
| 11641 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); |
| 11642 | } |
| 11643 | |
| 11644 | img->colors = colors_in_color_table (&img->ncolors); |
| 11645 | free_color_table (); |
| 11646 | |
| 11647 | /* Clear the part of the screen image that are not covered by |
| 11648 | the image from the GIF file. Full animated GIF support |
| 11649 | requires more than can be done here (see the gif89 spec, |
| 11650 | disposal methods). Let's simply assume that the part |
| 11651 | not covered by a sub-image is in the frame's background color. */ |
| 11652 | image_top = gif->SavedImages[ino].ImageDesc.Top; |
| 11653 | image_left = gif->SavedImages[ino].ImageDesc.Left; |
| 11654 | image_width = gif->SavedImages[ino].ImageDesc.Width; |
| 11655 | image_height = gif->SavedImages[ino].ImageDesc.Height; |
| 11656 | |
| 11657 | for (y = 0; y < image_top; ++y) |
| 11658 | for (x = 0; x < width; ++x) |
| 11659 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 11660 | |
| 11661 | for (y = image_top + image_height; y < height; ++y) |
| 11662 | for (x = 0; x < width; ++x) |
| 11663 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 11664 | |
| 11665 | for (y = image_top; y < image_top + image_height; ++y) |
| 11666 | { |
| 11667 | for (x = 0; x < image_left; ++x) |
| 11668 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 11669 | for (x = image_left + image_width; x < width; ++x) |
| 11670 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 11671 | } |
| 11672 | |
| 11673 | /* Read the GIF image into the X image. We use a local variable |
| 11674 | `raster' here because RasterBits below is a char *, and invites |
| 11675 | problems with bytes >= 0x80. */ |
| 11676 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; |
| 11677 | |
| 11678 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
| 11679 | { |
| 11680 | static int interlace_start[] = {0, 4, 2, 1}; |
| 11681 | static int interlace_increment[] = {8, 8, 4, 2}; |
| 11682 | int pass, inc; |
| 11683 | int row = interlace_start[0]; |
| 11684 | |
| 11685 | pass = 0; |
| 11686 | |
| 11687 | for (y = 0; y < image_height; y++) |
| 11688 | { |
| 11689 | if (row >= image_height) |
| 11690 | { |
| 11691 | row = interlace_start[++pass]; |
| 11692 | while (row >= image_height) |
| 11693 | row = interlace_start[++pass]; |
| 11694 | } |
| 11695 | |
| 11696 | for (x = 0; x < image_width; x++) |
| 11697 | { |
| 11698 | int i = raster[(y * image_width) + x]; |
| 11699 | XPutPixel (ximg, x + image_left, row + image_top, |
| 11700 | pixel_colors[i]); |
| 11701 | } |
| 11702 | |
| 11703 | row += interlace_increment[pass]; |
| 11704 | } |
| 11705 | } |
| 11706 | else |
| 11707 | { |
| 11708 | for (y = 0; y < image_height; ++y) |
| 11709 | for (x = 0; x < image_width; ++x) |
| 11710 | { |
| 11711 | int i = raster[y* image_width + x]; |
| 11712 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
| 11713 | } |
| 11714 | } |
| 11715 | |
| 11716 | DGifCloseFile (gif); |
| 11717 | |
| 11718 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 11719 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 11720 | x_destroy_x_image (ximg); |
| 11721 | UNBLOCK_INPUT; |
| 11722 | |
| 11723 | UNGCPRO; |
| 11724 | return 1; |
| 11725 | } |
| 11726 | |
| 11727 | #endif /* HAVE_GIF != 0 */ |
| 11728 | |
| 11729 | |
| 11730 | \f |
| 11731 | /*********************************************************************** |
| 11732 | Ghostscript |
| 11733 | ***********************************************************************/ |
| 11734 | |
| 11735 | #ifdef HAVE_GHOSTSCRIPT |
| 11736 | static int gs_image_p P_ ((Lisp_Object object)); |
| 11737 | static int gs_load P_ ((struct frame *f, struct image *img)); |
| 11738 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); |
| 11739 | |
| 11740 | /* The symbol `postscript' identifying images of this type. */ |
| 11741 | |
| 11742 | Lisp_Object Qpostscript; |
| 11743 | |
| 11744 | /* Keyword symbols. */ |
| 11745 | |
| 11746 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; |
| 11747 | |
| 11748 | /* Indices of image specification fields in gs_format, below. */ |
| 11749 | |
| 11750 | enum gs_keyword_index |
| 11751 | { |
| 11752 | GS_TYPE, |
| 11753 | GS_PT_WIDTH, |
| 11754 | GS_PT_HEIGHT, |
| 11755 | GS_FILE, |
| 11756 | GS_LOADER, |
| 11757 | GS_BOUNDING_BOX, |
| 11758 | GS_ASCENT, |
| 11759 | GS_MARGIN, |
| 11760 | GS_RELIEF, |
| 11761 | GS_ALGORITHM, |
| 11762 | GS_HEURISTIC_MASK, |
| 11763 | GS_LAST |
| 11764 | }; |
| 11765 | |
| 11766 | /* Vector of image_keyword structures describing the format |
| 11767 | of valid user-defined image specifications. */ |
| 11768 | |
| 11769 | static struct image_keyword gs_format[GS_LAST] = |
| 11770 | { |
| 11771 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 11772 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, |
| 11773 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, |
| 11774 | {":file", IMAGE_STRING_VALUE, 1}, |
| 11775 | {":loader", IMAGE_FUNCTION_VALUE, 0}, |
| 11776 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, |
| 11777 | {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
| 11778 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 11779 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 11780 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 11781 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 11782 | }; |
| 11783 | |
| 11784 | /* Structure describing the image type `ghostscript'. */ |
| 11785 | |
| 11786 | static struct image_type gs_type = |
| 11787 | { |
| 11788 | &Qpostscript, |
| 11789 | gs_image_p, |
| 11790 | gs_load, |
| 11791 | gs_clear_image, |
| 11792 | NULL |
| 11793 | }; |
| 11794 | |
| 11795 | |
| 11796 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ |
| 11797 | |
| 11798 | static void |
| 11799 | gs_clear_image (f, img) |
| 11800 | struct frame *f; |
| 11801 | struct image *img; |
| 11802 | { |
| 11803 | /* IMG->data.ptr_val may contain a recorded colormap. */ |
| 11804 | xfree (img->data.ptr_val); |
| 11805 | x_clear_image (f, img); |
| 11806 | } |
| 11807 | |
| 11808 | |
| 11809 | /* Return non-zero if OBJECT is a valid Ghostscript image |
| 11810 | specification. */ |
| 11811 | |
| 11812 | static int |
| 11813 | gs_image_p (object) |
| 11814 | Lisp_Object object; |
| 11815 | { |
| 11816 | struct image_keyword fmt[GS_LAST]; |
| 11817 | Lisp_Object tem; |
| 11818 | int i; |
| 11819 | |
| 11820 | bcopy (gs_format, fmt, sizeof fmt); |
| 11821 | |
| 11822 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript) |
| 11823 | || (fmt[GS_ASCENT].count |
| 11824 | && XFASTINT (fmt[GS_ASCENT].value) > 100)) |
| 11825 | return 0; |
| 11826 | |
| 11827 | /* Bounding box must be a list or vector containing 4 integers. */ |
| 11828 | tem = fmt[GS_BOUNDING_BOX].value; |
| 11829 | if (CONSP (tem)) |
| 11830 | { |
| 11831 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) |
| 11832 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) |
| 11833 | return 0; |
| 11834 | if (!NILP (tem)) |
| 11835 | return 0; |
| 11836 | } |
| 11837 | else if (VECTORP (tem)) |
| 11838 | { |
| 11839 | if (XVECTOR (tem)->size != 4) |
| 11840 | return 0; |
| 11841 | for (i = 0; i < 4; ++i) |
| 11842 | if (!INTEGERP (XVECTOR (tem)->contents[i])) |
| 11843 | return 0; |
| 11844 | } |
| 11845 | else |
| 11846 | return 0; |
| 11847 | |
| 11848 | return 1; |
| 11849 | } |
| 11850 | |
| 11851 | |
| 11852 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero |
| 11853 | if successful. */ |
| 11854 | |
| 11855 | static int |
| 11856 | gs_load (f, img) |
| 11857 | struct frame *f; |
| 11858 | struct image *img; |
| 11859 | { |
| 11860 | char buffer[100]; |
| 11861 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; |
| 11862 | struct gcpro gcpro1, gcpro2; |
| 11863 | Lisp_Object frame; |
| 11864 | double in_width, in_height; |
| 11865 | Lisp_Object pixel_colors = Qnil; |
| 11866 | |
| 11867 | /* Compute pixel size of pixmap needed from the given size in the |
| 11868 | image specification. Sizes in the specification are in pt. 1 pt |
| 11869 | = 1/72 in, xdpi and ydpi are stored in the frame's X display |
| 11870 | info. */ |
| 11871 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); |
| 11872 | in_width = XFASTINT (pt_width) / 72.0; |
| 11873 | img->width = in_width * FRAME_W32_DISPLAY_INFO (f)->resx; |
| 11874 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); |
| 11875 | in_height = XFASTINT (pt_height) / 72.0; |
| 11876 | img->height = in_height * FRAME_W32_DISPLAY_INFO (f)->resy; |
| 11877 | |
| 11878 | /* Create the pixmap. */ |
| 11879 | BLOCK_INPUT; |
| 11880 | xassert (img->pixmap == 0); |
| 11881 | img->pixmap = XCreatePixmap (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), |
| 11882 | img->width, img->height, |
| 11883 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); |
| 11884 | UNBLOCK_INPUT; |
| 11885 | |
| 11886 | if (!img->pixmap) |
| 11887 | { |
| 11888 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
| 11889 | return 0; |
| 11890 | } |
| 11891 | |
| 11892 | /* Call the loader to fill the pixmap. It returns a process object |
| 11893 | if successful. We do not record_unwind_protect here because |
| 11894 | other places in redisplay like calling window scroll functions |
| 11895 | don't either. Let the Lisp loader use `unwind-protect' instead. */ |
| 11896 | GCPRO2 (window_and_pixmap_id, pixel_colors); |
| 11897 | |
| 11898 | sprintf (buffer, "%lu %lu", |
| 11899 | (unsigned long) FRAME_W32_WINDOW (f), |
| 11900 | (unsigned long) img->pixmap); |
| 11901 | window_and_pixmap_id = build_string (buffer); |
| 11902 | |
| 11903 | sprintf (buffer, "%lu %lu", |
| 11904 | FRAME_FOREGROUND_PIXEL (f), |
| 11905 | FRAME_BACKGROUND_PIXEL (f)); |
| 11906 | pixel_colors = build_string (buffer); |
| 11907 | |
| 11908 | XSETFRAME (frame, f); |
| 11909 | loader = image_spec_value (img->spec, QCloader, NULL); |
| 11910 | if (NILP (loader)) |
| 11911 | loader = intern ("gs-load-image"); |
| 11912 | |
| 11913 | img->data.lisp_val = call6 (loader, frame, img->spec, |
| 11914 | make_number (img->width), |
| 11915 | make_number (img->height), |
| 11916 | window_and_pixmap_id, |
| 11917 | pixel_colors); |
| 11918 | UNGCPRO; |
| 11919 | return PROCESSP (img->data.lisp_val); |
| 11920 | } |
| 11921 | |
| 11922 | |
| 11923 | /* Kill the Ghostscript process that was started to fill PIXMAP on |
| 11924 | frame F. Called from XTread_socket when receiving an event |
| 11925 | telling Emacs that Ghostscript has finished drawing. */ |
| 11926 | |
| 11927 | void |
| 11928 | x_kill_gs_process (pixmap, f) |
| 11929 | Pixmap pixmap; |
| 11930 | struct frame *f; |
| 11931 | { |
| 11932 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 11933 | int class, i; |
| 11934 | struct image *img; |
| 11935 | |
| 11936 | /* Find the image containing PIXMAP. */ |
| 11937 | for (i = 0; i < c->used; ++i) |
| 11938 | if (c->images[i]->pixmap == pixmap) |
| 11939 | break; |
| 11940 | |
| 11941 | /* Kill the GS process. We should have found PIXMAP in the image |
| 11942 | cache and its image should contain a process object. */ |
| 11943 | xassert (i < c->used); |
| 11944 | img = c->images[i]; |
| 11945 | xassert (PROCESSP (img->data.lisp_val)); |
| 11946 | Fkill_process (img->data.lisp_val, Qnil); |
| 11947 | img->data.lisp_val = Qnil; |
| 11948 | |
| 11949 | /* On displays with a mutable colormap, figure out the colors |
| 11950 | allocated for the image by looking at the pixels of an XImage for |
| 11951 | img->pixmap. */ |
| 11952 | class = FRAME_W32_DISPLAY_INFO (f)->visual->class; |
| 11953 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
| 11954 | { |
| 11955 | XImage *ximg; |
| 11956 | |
| 11957 | BLOCK_INPUT; |
| 11958 | |
| 11959 | /* Try to get an XImage for img->pixmep. */ |
| 11960 | ximg = XGetImage (FRAME_W32_DISPLAY (f), img->pixmap, |
| 11961 | 0, 0, img->width, img->height, ~0, ZPixmap); |
| 11962 | if (ximg) |
| 11963 | { |
| 11964 | int x, y; |
| 11965 | |
| 11966 | /* Initialize the color table. */ |
| 11967 | init_color_table (); |
| 11968 | |
| 11969 | /* For each pixel of the image, look its color up in the |
| 11970 | color table. After having done so, the color table will |
| 11971 | contain an entry for each color used by the image. */ |
| 11972 | for (y = 0; y < img->height; ++y) |
| 11973 | for (x = 0; x < img->width; ++x) |
| 11974 | { |
| 11975 | unsigned long pixel = XGetPixel (ximg, x, y); |
| 11976 | lookup_pixel_color (f, pixel); |
| 11977 | } |
| 11978 | |
| 11979 | /* Record colors in the image. Free color table and XImage. */ |
| 11980 | img->colors = colors_in_color_table (&img->ncolors); |
| 11981 | free_color_table (); |
| 11982 | XDestroyImage (ximg); |
| 11983 | |
| 11984 | #if 0 /* This doesn't seem to be the case. If we free the colors |
| 11985 | here, we get a BadAccess later in x_clear_image when |
| 11986 | freeing the colors. */ |
| 11987 | /* We have allocated colors once, but Ghostscript has also |
| 11988 | allocated colors on behalf of us. So, to get the |
| 11989 | reference counts right, free them once. */ |
| 11990 | if (img->ncolors) |
| 11991 | { |
| 11992 | Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f)); |
| 11993 | XFreeColors (FRAME_W32_DISPLAY (f), cmap, |
| 11994 | img->colors, img->ncolors, 0); |
| 11995 | } |
| 11996 | #endif |
| 11997 | } |
| 11998 | else |
| 11999 | image_error ("Cannot get X image of `%s'; colors will not be freed", |
| 12000 | img->spec, Qnil); |
| 12001 | |
| 12002 | UNBLOCK_INPUT; |
| 12003 | } |
| 12004 | } |
| 12005 | |
| 12006 | #endif /* HAVE_GHOSTSCRIPT */ |
| 12007 | |
| 12008 | \f |
| 12009 | /*********************************************************************** |
| 12010 | Window properties |
| 12011 | ***********************************************************************/ |
| 12012 | |
| 12013 | DEFUN ("x-change-window-property", Fx_change_window_property, |
| 12014 | Sx_change_window_property, 2, 3, 0, |
| 12015 | "Change window property PROP to VALUE on the X window of FRAME.\n\ |
| 12016 | PROP and VALUE must be strings. FRAME nil or omitted means use the\n\ |
| 12017 | selected frame. Value is VALUE.") |
| 12018 | (prop, value, frame) |
| 12019 | Lisp_Object frame, prop, value; |
| 12020 | { |
| 12021 | #if 0 /* TODO : port window properties to W32 */ |
| 12022 | struct frame *f = check_x_frame (frame); |
| 12023 | Atom prop_atom; |
| 12024 | |
| 12025 | CHECK_STRING (prop, 1); |
| 12026 | CHECK_STRING (value, 2); |
| 12027 | |
| 12028 | BLOCK_INPUT; |
| 12029 | prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); |
| 12030 | XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), |
| 12031 | prop_atom, XA_STRING, 8, PropModeReplace, |
| 12032 | XSTRING (value)->data, XSTRING (value)->size); |
| 12033 | |
| 12034 | /* Make sure the property is set when we return. */ |
| 12035 | XFlush (FRAME_W32_DISPLAY (f)); |
| 12036 | UNBLOCK_INPUT; |
| 12037 | |
| 12038 | #endif /* TODO */ |
| 12039 | |
| 12040 | return value; |
| 12041 | } |
| 12042 | |
| 12043 | |
| 12044 | DEFUN ("x-delete-window-property", Fx_delete_window_property, |
| 12045 | Sx_delete_window_property, 1, 2, 0, |
| 12046 | "Remove window property PROP from X window of FRAME.\n\ |
| 12047 | FRAME nil or omitted means use the selected frame. Value is PROP.") |
| 12048 | (prop, frame) |
| 12049 | Lisp_Object prop, frame; |
| 12050 | { |
| 12051 | #if 0 /* TODO : port window properties to W32 */ |
| 12052 | |
| 12053 | struct frame *f = check_x_frame (frame); |
| 12054 | Atom prop_atom; |
| 12055 | |
| 12056 | CHECK_STRING (prop, 1); |
| 12057 | BLOCK_INPUT; |
| 12058 | prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); |
| 12059 | XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom); |
| 12060 | |
| 12061 | /* Make sure the property is removed when we return. */ |
| 12062 | XFlush (FRAME_W32_DISPLAY (f)); |
| 12063 | UNBLOCK_INPUT; |
| 12064 | #endif /* TODO */ |
| 12065 | |
| 12066 | return prop; |
| 12067 | } |
| 12068 | |
| 12069 | |
| 12070 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, |
| 12071 | 1, 2, 0, |
| 12072 | "Value is the value of window property PROP on FRAME.\n\ |
| 12073 | If FRAME is nil or omitted, use the selected frame. Value is nil\n\ |
| 12074 | if FRAME hasn't a property with name PROP or if PROP has no string\n\ |
| 12075 | value.") |
| 12076 | (prop, frame) |
| 12077 | Lisp_Object prop, frame; |
| 12078 | { |
| 12079 | #if 0 /* TODO : port window properties to W32 */ |
| 12080 | |
| 12081 | struct frame *f = check_x_frame (frame); |
| 12082 | Atom prop_atom; |
| 12083 | int rc; |
| 12084 | Lisp_Object prop_value = Qnil; |
| 12085 | char *tmp_data = NULL; |
| 12086 | Atom actual_type; |
| 12087 | int actual_format; |
| 12088 | unsigned long actual_size, bytes_remaining; |
| 12089 | |
| 12090 | CHECK_STRING (prop, 1); |
| 12091 | BLOCK_INPUT; |
| 12092 | prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False); |
| 12093 | rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), |
| 12094 | prop_atom, 0, 0, False, XA_STRING, |
| 12095 | &actual_type, &actual_format, &actual_size, |
| 12096 | &bytes_remaining, (unsigned char **) &tmp_data); |
| 12097 | if (rc == Success) |
| 12098 | { |
| 12099 | int size = bytes_remaining; |
| 12100 | |
| 12101 | XFree (tmp_data); |
| 12102 | tmp_data = NULL; |
| 12103 | |
| 12104 | rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), |
| 12105 | prop_atom, 0, bytes_remaining, |
| 12106 | False, XA_STRING, |
| 12107 | &actual_type, &actual_format, |
| 12108 | &actual_size, &bytes_remaining, |
| 12109 | (unsigned char **) &tmp_data); |
| 12110 | if (rc == Success) |
| 12111 | prop_value = make_string (tmp_data, size); |
| 12112 | |
| 12113 | XFree (tmp_data); |
| 12114 | } |
| 12115 | |
| 12116 | UNBLOCK_INPUT; |
| 12117 | |
| 12118 | return prop_value; |
| 12119 | |
| 12120 | #endif /* TODO */ |
| 12121 | return Qnil; |
| 12122 | } |
| 12123 | |
| 12124 | |
| 12125 | \f |
| 12126 | /*********************************************************************** |
| 12127 | Busy cursor |
| 12128 | ***********************************************************************/ |
| 12129 | |
| 12130 | /* If non-null, an asynchronous timer that, when it expires, displays |
| 12131 | a busy cursor on all frames. */ |
| 12132 | |
| 12133 | static struct atimer *busy_cursor_atimer; |
| 12134 | |
| 12135 | /* Non-zero means a busy cursor is currently shown. */ |
| 12136 | |
| 12137 | static int busy_cursor_shown_p; |
| 12138 | |
| 12139 | /* Number of seconds to wait before displaying a busy cursor. */ |
| 12140 | |
| 12141 | static Lisp_Object Vbusy_cursor_delay; |
| 12142 | |
| 12143 | /* Default number of seconds to wait before displaying a busy |
| 12144 | cursor. */ |
| 12145 | |
| 12146 | #define DEFAULT_BUSY_CURSOR_DELAY 1 |
| 12147 | |
| 12148 | /* Function prototypes. */ |
| 12149 | |
| 12150 | static void show_busy_cursor P_ ((struct atimer *)); |
| 12151 | static void hide_busy_cursor P_ ((void)); |
| 12152 | |
| 12153 | |
| 12154 | /* Cancel a currently active busy-cursor timer, and start a new one. */ |
| 12155 | |
| 12156 | void |
| 12157 | start_busy_cursor () |
| 12158 | { |
| 12159 | #if 0 /* TODO: cursor shape changes. */ |
| 12160 | EMACS_TIME delay; |
| 12161 | int secs, usecs = 0; |
| 12162 | |
| 12163 | cancel_busy_cursor (); |
| 12164 | |
| 12165 | if (INTEGERP (Vbusy_cursor_delay) |
| 12166 | && XINT (Vbusy_cursor_delay) > 0) |
| 12167 | secs = XFASTINT (Vbusy_cursor_delay); |
| 12168 | else if (FLOATP (Vbusy_cursor_delay) |
| 12169 | && XFLOAT_DATA (Vbusy_cursor_delay) > 0) |
| 12170 | { |
| 12171 | Lisp_Object tem; |
| 12172 | tem = Ftruncate (Vbusy_cursor_delay, Qnil); |
| 12173 | secs = XFASTINT (tem); |
| 12174 | usecs = (XFLOAT_DATA (Vbusy_cursor_delay) - secs) * 1000000; |
| 12175 | } |
| 12176 | else |
| 12177 | secs = DEFAULT_BUSY_CURSOR_DELAY; |
| 12178 | |
| 12179 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
| 12180 | busy_cursor_atimer = start_atimer (ATIMER_RELATIVE, delay, |
| 12181 | show_busy_cursor, NULL); |
| 12182 | #endif |
| 12183 | } |
| 12184 | |
| 12185 | |
| 12186 | /* Cancel the busy cursor timer if active, hide a busy cursor if |
| 12187 | shown. */ |
| 12188 | |
| 12189 | void |
| 12190 | cancel_busy_cursor () |
| 12191 | { |
| 12192 | if (busy_cursor_atimer) |
| 12193 | { |
| 12194 | cancel_atimer (busy_cursor_atimer); |
| 12195 | busy_cursor_atimer = NULL; |
| 12196 | } |
| 12197 | |
| 12198 | if (busy_cursor_shown_p) |
| 12199 | hide_busy_cursor (); |
| 12200 | } |
| 12201 | |
| 12202 | |
| 12203 | /* Timer function of busy_cursor_atimer. TIMER is equal to |
| 12204 | busy_cursor_atimer. |
| 12205 | |
| 12206 | Display a busy cursor on all frames by mapping the frames' |
| 12207 | busy_window. Set the busy_p flag in the frames' output_data.x |
| 12208 | structure to indicate that a busy cursor is shown on the |
| 12209 | frames. */ |
| 12210 | |
| 12211 | static void |
| 12212 | show_busy_cursor (timer) |
| 12213 | struct atimer *timer; |
| 12214 | { |
| 12215 | #if 0 /* TODO: cursor shape changes. */ |
| 12216 | /* The timer implementation will cancel this timer automatically |
| 12217 | after this function has run. Set busy_cursor_atimer to null |
| 12218 | so that we know the timer doesn't have to be canceled. */ |
| 12219 | busy_cursor_atimer = NULL; |
| 12220 | |
| 12221 | if (!busy_cursor_shown_p) |
| 12222 | { |
| 12223 | Lisp_Object rest, frame; |
| 12224 | |
| 12225 | BLOCK_INPUT; |
| 12226 | |
| 12227 | FOR_EACH_FRAME (rest, frame) |
| 12228 | if (FRAME_W32_P (XFRAME (frame))) |
| 12229 | { |
| 12230 | struct frame *f = XFRAME (frame); |
| 12231 | |
| 12232 | f->output_data.w32->busy_p = 1; |
| 12233 | |
| 12234 | if (!f->output_data.w32->busy_window) |
| 12235 | { |
| 12236 | unsigned long mask = CWCursor; |
| 12237 | XSetWindowAttributes attrs; |
| 12238 | |
| 12239 | attrs.cursor = f->output_data.w32->busy_cursor; |
| 12240 | |
| 12241 | f->output_data.w32->busy_window |
| 12242 | = XCreateWindow (FRAME_X_DISPLAY (f), |
| 12243 | FRAME_OUTER_WINDOW (f), |
| 12244 | 0, 0, 32000, 32000, 0, 0, |
| 12245 | InputOnly, |
| 12246 | CopyFromParent, |
| 12247 | mask, &attrs); |
| 12248 | } |
| 12249 | |
| 12250 | XMapRaised (FRAME_X_DISPLAY (f), f->output_data.w32->busy_window); |
| 12251 | XFlush (FRAME_X_DISPLAY (f)); |
| 12252 | } |
| 12253 | |
| 12254 | busy_cursor_shown_p = 1; |
| 12255 | UNBLOCK_INPUT; |
| 12256 | } |
| 12257 | #endif |
| 12258 | } |
| 12259 | |
| 12260 | |
| 12261 | /* Hide the busy cursor on all frames, if it is currently shown. */ |
| 12262 | |
| 12263 | static void |
| 12264 | hide_busy_cursor () |
| 12265 | { |
| 12266 | #if 0 /* TODO: cursor shape changes. */ |
| 12267 | if (busy_cursor_shown_p) |
| 12268 | { |
| 12269 | Lisp_Object rest, frame; |
| 12270 | |
| 12271 | BLOCK_INPUT; |
| 12272 | FOR_EACH_FRAME (rest, frame) |
| 12273 | { |
| 12274 | struct frame *f = XFRAME (frame); |
| 12275 | |
| 12276 | if (FRAME_W32_P (f) |
| 12277 | /* Watch out for newly created frames. */ |
| 12278 | && f->output_data.x->busy_window) |
| 12279 | { |
| 12280 | XUnmapWindow (FRAME_X_DISPLAY (f), f->output_data.x->busy_window); |
| 12281 | /* Sync here because XTread_socket looks at the busy_p flag |
| 12282 | that is reset to zero below. */ |
| 12283 | XSync (FRAME_X_DISPLAY (f), False); |
| 12284 | f->output_data.x->busy_p = 0; |
| 12285 | } |
| 12286 | } |
| 12287 | |
| 12288 | busy_cursor_shown_p = 0; |
| 12289 | UNBLOCK_INPUT; |
| 12290 | } |
| 12291 | #endif |
| 12292 | } |
| 12293 | |
| 12294 | |
| 12295 | \f |
| 12296 | /*********************************************************************** |
| 12297 | Tool tips |
| 12298 | ***********************************************************************/ |
| 12299 | |
| 12300 | static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *, |
| 12301 | Lisp_Object)); |
| 12302 | |
| 12303 | /* The frame of a currently visible tooltip, or null. */ |
| 12304 | |
| 12305 | Lisp_Object tip_frame; |
| 12306 | |
| 12307 | /* If non-nil, a timer started that hides the last tooltip when it |
| 12308 | fires. */ |
| 12309 | |
| 12310 | Lisp_Object tip_timer; |
| 12311 | Window tip_window; |
| 12312 | |
| 12313 | static Lisp_Object |
| 12314 | unwind_create_tip_frame (frame) |
| 12315 | Lisp_Object frame; |
| 12316 | { |
| 12317 | Lisp_Object deleted; |
| 12318 | |
| 12319 | deleted = unwind_create_frame (frame); |
| 12320 | if (EQ (deleted, Qt)) |
| 12321 | { |
| 12322 | tip_window = NULL; |
| 12323 | tip_frame = Qnil; |
| 12324 | } |
| 12325 | |
| 12326 | return deleted; |
| 12327 | } |
| 12328 | |
| 12329 | |
| 12330 | /* Create a frame for a tooltip on the display described by DPYINFO. |
| 12331 | PARMS is a list of frame parameters. Value is the frame. |
| 12332 | |
| 12333 | Note that functions called here, esp. x_default_parameter can |
| 12334 | signal errors, for instance when a specified color name is |
| 12335 | undefined. We have to make sure that we're in a consistent state |
| 12336 | when this happens. */ |
| 12337 | |
| 12338 | static Lisp_Object |
| 12339 | x_create_tip_frame (dpyinfo, parms) |
| 12340 | struct w32_display_info *dpyinfo; |
| 12341 | Lisp_Object parms; |
| 12342 | { |
| 12343 | #if 0 /* TODO : w32 version */ |
| 12344 | struct frame *f; |
| 12345 | Lisp_Object frame, tem; |
| 12346 | Lisp_Object name; |
| 12347 | long window_prompting = 0; |
| 12348 | int width, height; |
| 12349 | int count = BINDING_STACK_SIZE (); |
| 12350 | struct gcpro gcpro1, gcpro2, gcpro3; |
| 12351 | struct kboard *kb; |
| 12352 | |
| 12353 | check_x (); |
| 12354 | |
| 12355 | /* Use this general default value to start with until we know if |
| 12356 | this frame has a specified name. */ |
| 12357 | Vx_resource_name = Vinvocation_name; |
| 12358 | |
| 12359 | #ifdef MULTI_KBOARD |
| 12360 | kb = dpyinfo->kboard; |
| 12361 | #else |
| 12362 | kb = &the_only_kboard; |
| 12363 | #endif |
| 12364 | |
| 12365 | /* Get the name of the frame to use for resource lookup. */ |
| 12366 | name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING); |
| 12367 | if (!STRINGP (name) |
| 12368 | && !EQ (name, Qunbound) |
| 12369 | && !NILP (name)) |
| 12370 | error ("Invalid frame name--not a string or nil"); |
| 12371 | Vx_resource_name = name; |
| 12372 | |
| 12373 | frame = Qnil; |
| 12374 | GCPRO3 (parms, name, frame); |
| 12375 | f = make_frame (1); |
| 12376 | XSETFRAME (frame, f); |
| 12377 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
| 12378 | record_unwind_protect (unwind_create_tip_frame, frame); |
| 12379 | |
| 12380 | f->output_method = output_w32; |
| 12381 | f->output_data.w32 = |
| 12382 | (struct w32_output *) xmalloc (sizeof (struct w32_output)); |
| 12383 | bzero (f->output_data.w32, sizeof (struct w32_output)); |
| 12384 | #if 0 |
| 12385 | f->output_data.w32->icon_bitmap = -1; |
| 12386 | #endif |
| 12387 | f->output_data.w32->fontset = -1; |
| 12388 | f->icon_name = Qnil; |
| 12389 | |
| 12390 | #ifdef GLYPH_DEBUG |
| 12391 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
| 12392 | dpyinfo_refcount = dpyinfo->reference_count; |
| 12393 | #endif /* GLYPH_DEBUG */ |
| 12394 | #ifdef MULTI_KBOARD |
| 12395 | FRAME_KBOARD (f) = kb; |
| 12396 | #endif |
| 12397 | f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; |
| 12398 | f->output_data.w32->explicit_parent = 0; |
| 12399 | |
| 12400 | /* Set the name; the functions to which we pass f expect the name to |
| 12401 | be set. */ |
| 12402 | if (EQ (name, Qunbound) || NILP (name)) |
| 12403 | { |
| 12404 | f->name = build_string (dpyinfo->x_id_name); |
| 12405 | f->explicit_name = 0; |
| 12406 | } |
| 12407 | else |
| 12408 | { |
| 12409 | f->name = name; |
| 12410 | f->explicit_name = 1; |
| 12411 | /* use the frame's title when getting resources for this frame. */ |
| 12412 | specbind (Qx_resource_name, name); |
| 12413 | } |
| 12414 | |
| 12415 | /* Extract the window parameters from the supplied values |
| 12416 | that are needed to determine window geometry. */ |
| 12417 | { |
| 12418 | Lisp_Object font; |
| 12419 | |
| 12420 | font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING); |
| 12421 | |
| 12422 | BLOCK_INPUT; |
| 12423 | /* First, try whatever font the caller has specified. */ |
| 12424 | if (STRINGP (font)) |
| 12425 | { |
| 12426 | tem = Fquery_fontset (font, Qnil); |
| 12427 | if (STRINGP (tem)) |
| 12428 | font = x_new_fontset (f, XSTRING (tem)->data); |
| 12429 | else |
| 12430 | font = x_new_font (f, XSTRING (font)->data); |
| 12431 | } |
| 12432 | |
| 12433 | /* Try out a font which we hope has bold and italic variations. */ |
| 12434 | if (!STRINGP (font)) |
| 12435 | font = x_new_font (f, "-*-courier new-normal-r-*-*-*-100-*-*-*-*-iso8859-1"); |
| 12436 | if (!STRINGP (font)) |
| 12437 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 12438 | if (! STRINGP (font)) |
| 12439 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 12440 | if (! STRINGP (font)) |
| 12441 | /* This was formerly the first thing tried, but it finds too many fonts |
| 12442 | and takes too long. */ |
| 12443 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); |
| 12444 | /* If those didn't work, look for something which will at least work. */ |
| 12445 | if (! STRINGP (font)) |
| 12446 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
| 12447 | UNBLOCK_INPUT; |
| 12448 | if (! STRINGP (font)) |
| 12449 | font = build_string ("fixed"); |
| 12450 | |
| 12451 | x_default_parameter (f, parms, Qfont, font, |
| 12452 | "font", "Font", RES_TYPE_STRING); |
| 12453 | } |
| 12454 | |
| 12455 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
| 12456 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
| 12457 | |
| 12458 | /* This defaults to 2 in order to match xterm. We recognize either |
| 12459 | internalBorderWidth or internalBorder (which is what xterm calls |
| 12460 | it). */ |
| 12461 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 12462 | { |
| 12463 | Lisp_Object value; |
| 12464 | |
| 12465 | value = w32_get_arg (parms, Qinternal_border_width, |
| 12466 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
| 12467 | if (! EQ (value, Qunbound)) |
| 12468 | parms = Fcons (Fcons (Qinternal_border_width, value), |
| 12469 | parms); |
| 12470 | } |
| 12471 | |
| 12472 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
| 12473 | "internalBorderWidth", "internalBorderWidth", |
| 12474 | RES_TYPE_NUMBER); |
| 12475 | |
| 12476 | /* Also do the stuff which must be set before the window exists. */ |
| 12477 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
| 12478 | "foreground", "Foreground", RES_TYPE_STRING); |
| 12479 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
| 12480 | "background", "Background", RES_TYPE_STRING); |
| 12481 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
| 12482 | "pointerColor", "Foreground", RES_TYPE_STRING); |
| 12483 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
| 12484 | "cursorColor", "Foreground", RES_TYPE_STRING); |
| 12485 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
| 12486 | "borderColor", "BorderColor", RES_TYPE_STRING); |
| 12487 | |
| 12488 | /* Init faces before x_default_parameter is called for scroll-bar |
| 12489 | parameters because that function calls x_set_scroll_bar_width, |
| 12490 | which calls change_frame_size, which calls Fset_window_buffer, |
| 12491 | which runs hooks, which call Fvertical_motion. At the end, we |
| 12492 | end up in init_iterator with a null face cache, which should not |
| 12493 | happen. */ |
| 12494 | init_frame_faces (f); |
| 12495 | |
| 12496 | f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window; |
| 12497 | window_prompting = x_figure_window_size (f, parms); |
| 12498 | |
| 12499 | if (window_prompting & XNegative) |
| 12500 | { |
| 12501 | if (window_prompting & YNegative) |
| 12502 | f->output_data.w32->win_gravity = SouthEastGravity; |
| 12503 | else |
| 12504 | f->output_data.w32->win_gravity = NorthEastGravity; |
| 12505 | } |
| 12506 | else |
| 12507 | { |
| 12508 | if (window_prompting & YNegative) |
| 12509 | f->output_data.w32->win_gravity = SouthWestGravity; |
| 12510 | else |
| 12511 | f->output_data.w32->win_gravity = NorthWestGravity; |
| 12512 | } |
| 12513 | |
| 12514 | f->output_data.w32->size_hint_flags = window_prompting; |
| 12515 | { |
| 12516 | XSetWindowAttributes attrs; |
| 12517 | unsigned long mask; |
| 12518 | |
| 12519 | BLOCK_INPUT; |
| 12520 | mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask; |
| 12521 | /* Window managers looks at the override-redirect flag to |
| 12522 | determine whether or net to give windows a decoration (Xlib |
| 12523 | 3.2.8). */ |
| 12524 | attrs.override_redirect = True; |
| 12525 | attrs.save_under = True; |
| 12526 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); |
| 12527 | /* Arrange for getting MapNotify and UnmapNotify events. */ |
| 12528 | attrs.event_mask = StructureNotifyMask; |
| 12529 | tip_window |
| 12530 | = FRAME_W32_WINDOW (f) |
| 12531 | = XCreateWindow (FRAME_W32_DISPLAY (f), |
| 12532 | FRAME_W32_DISPLAY_INFO (f)->root_window, |
| 12533 | /* x, y, width, height */ |
| 12534 | 0, 0, 1, 1, |
| 12535 | /* Border. */ |
| 12536 | 1, |
| 12537 | CopyFromParent, InputOutput, CopyFromParent, |
| 12538 | mask, &attrs); |
| 12539 | UNBLOCK_INPUT; |
| 12540 | } |
| 12541 | |
| 12542 | x_make_gc (f); |
| 12543 | |
| 12544 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
| 12545 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 12546 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
| 12547 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 12548 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
| 12549 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
| 12550 | |
| 12551 | /* Dimensions, especially f->height, must be done via change_frame_size. |
| 12552 | Change will not be effected unless different from the current |
| 12553 | f->height. */ |
| 12554 | width = f->width; |
| 12555 | height = f->height; |
| 12556 | f->height = 0; |
| 12557 | SET_FRAME_WIDTH (f, 0); |
| 12558 | change_frame_size (f, height, width, 1, 0, 0); |
| 12559 | |
| 12560 | f->no_split = 1; |
| 12561 | |
| 12562 | UNGCPRO; |
| 12563 | |
| 12564 | /* It is now ok to make the frame official even if we get an error |
| 12565 | below. And the frame needs to be on Vframe_list or making it |
| 12566 | visible won't work. */ |
| 12567 | Vframe_list = Fcons (frame, Vframe_list); |
| 12568 | tip_frame = frame; |
| 12569 | |
| 12570 | /* Now that the frame is official, it counts as a reference to |
| 12571 | its display. */ |
| 12572 | FRAME_W32_DISPLAY_INFO (f)->reference_count++; |
| 12573 | |
| 12574 | return unbind_to (count, frame); |
| 12575 | #endif /* TODO */ |
| 12576 | return Qnil; |
| 12577 | } |
| 12578 | |
| 12579 | #ifdef TODO /* Tooltip support not complete. */ |
| 12580 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
| 12581 | "Show STRING in a \"tooltip\" window on frame FRAME.\n\ |
| 12582 | A tooltip window is a small window displaying a string.\n\ |
| 12583 | \n\ |
| 12584 | FRAME nil or omitted means use the selected frame.\n\ |
| 12585 | \n\ |
| 12586 | PARMS is an optional list of frame parameters which can be\n\ |
| 12587 | used to change the tooltip's appearance.\n\ |
| 12588 | \n\ |
| 12589 | Automatically hide the tooltip after TIMEOUT seconds.\n\ |
| 12590 | TIMEOUT nil means use the default timeout of 5 seconds.\n\ |
| 12591 | \n\ |
| 12592 | If the list of frame parameters PARAMS contains a `left' parameters,\n\ |
| 12593 | the tooltip is displayed at that x-position. Otherwise it is\n\ |
| 12594 | displayed at the mouse position, with offset DX added (default is 5 if\n\ |
| 12595 | DX isn't specified). Likewise for the y-position; if a `top' frame\n\ |
| 12596 | parameter is specified, it determines the y-position of the tooltip\n\ |
| 12597 | window, otherwise it is displayed at the mouse position, with offset\n\ |
| 12598 | DY added (default is 10).") |
| 12599 | (string, frame, parms, timeout, dx, dy) |
| 12600 | Lisp_Object string, frame, parms, timeout, dx, dy; |
| 12601 | { |
| 12602 | struct frame *f; |
| 12603 | struct window *w; |
| 12604 | Window root, child; |
| 12605 | Lisp_Object buffer, top, left; |
| 12606 | struct buffer *old_buffer; |
| 12607 | struct text_pos pos; |
| 12608 | int i, width, height; |
| 12609 | int root_x, root_y, win_x, win_y; |
| 12610 | unsigned pmask; |
| 12611 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 12612 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
| 12613 | int count = specpdl_ptr - specpdl; |
| 12614 | |
| 12615 | specbind (Qinhibit_redisplay, Qt); |
| 12616 | |
| 12617 | GCPRO4 (string, parms, frame, timeout); |
| 12618 | |
| 12619 | CHECK_STRING (string, 0); |
| 12620 | f = check_x_frame (frame); |
| 12621 | if (NILP (timeout)) |
| 12622 | timeout = make_number (5); |
| 12623 | else |
| 12624 | CHECK_NATNUM (timeout, 2); |
| 12625 | |
| 12626 | if (NILP (dx)) |
| 12627 | dx = make_number (5); |
| 12628 | else |
| 12629 | CHECK_NUMBER (dx, 5); |
| 12630 | |
| 12631 | if (NILP (dy)) |
| 12632 | dy = make_number (-10); |
| 12633 | else |
| 12634 | CHECK_NUMBER (dy, 6); |
| 12635 | |
| 12636 | if (NILP (last_show_tip_args)) |
| 12637 | last_show_tip_args = Fmake_vector (make_number (3), Qnil); |
| 12638 | |
| 12639 | if (!NILP (tip_frame)) |
| 12640 | { |
| 12641 | Lisp_Object last_string = AREF (last_show_tip_args, 0); |
| 12642 | Lisp_Object last_frame = AREF (last_show_tip_args, 1); |
| 12643 | Lisp_Object last_parms = AREF (last_show_tip_args, 2); |
| 12644 | |
| 12645 | if (EQ (frame, last_frame) |
| 12646 | && !NILP (Fequal (last_string, string)) |
| 12647 | && !NILP (Fequal (last_parms, parms))) |
| 12648 | { |
| 12649 | struct frame *f = XFRAME (tip_frame); |
| 12650 | |
| 12651 | /* Only DX and DY have changed. */ |
| 12652 | if (!NILP (tip_timer)) |
| 12653 | { |
| 12654 | Lisp_Object timer = tip_timer; |
| 12655 | tip_timer = Qnil; |
| 12656 | call1 (Qcancel_timer, timer); |
| 12657 | } |
| 12658 | |
| 12659 | BLOCK_INPUT; |
| 12660 | compute_tip_xy (f, parms, dx, dy, &root_x, &root_y); |
| 12661 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 12662 | root_x, root_y - PIXEL_HEIGHT (f)); |
| 12663 | UNBLOCK_INPUT; |
| 12664 | goto start_timer; |
| 12665 | } |
| 12666 | } |
| 12667 | |
| 12668 | /* Hide a previous tip, if any. */ |
| 12669 | Fx_hide_tip (); |
| 12670 | |
| 12671 | ASET (last_show_tip_args, 0, string); |
| 12672 | ASET (last_show_tip_args, 1, frame); |
| 12673 | ASET (last_show_tip_args, 2, parms); |
| 12674 | |
| 12675 | /* Add default values to frame parameters. */ |
| 12676 | if (NILP (Fassq (Qname, parms))) |
| 12677 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); |
| 12678 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 12679 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); |
| 12680 | if (NILP (Fassq (Qborder_width, parms))) |
| 12681 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); |
| 12682 | if (NILP (Fassq (Qborder_color, parms))) |
| 12683 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); |
| 12684 | if (NILP (Fassq (Qbackground_color, parms))) |
| 12685 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), |
| 12686 | parms); |
| 12687 | |
| 12688 | /* Create a frame for the tooltip, and record it in the global |
| 12689 | variable tip_frame. */ |
| 12690 | frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms); |
| 12691 | f = XFRAME (frame); |
| 12692 | |
| 12693 | /* Set up the frame's root window. Currently we use a size of 80 |
| 12694 | columns x 40 lines. If someone wants to show a larger tip, he |
| 12695 | will loose. I don't think this is a realistic case. */ |
| 12696 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); |
| 12697 | w->left = w->top = make_number (0); |
| 12698 | w->width = make_number (80); |
| 12699 | w->height = make_number (40); |
| 12700 | adjust_glyphs (f); |
| 12701 | w->pseudo_window_p = 1; |
| 12702 | |
| 12703 | /* Display the tooltip text in a temporary buffer. */ |
| 12704 | buffer = Fget_buffer_create (build_string (" *tip*")); |
| 12705 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer); |
| 12706 | old_buffer = current_buffer; |
| 12707 | set_buffer_internal_1 (XBUFFER (buffer)); |
| 12708 | Ferase_buffer (); |
| 12709 | Finsert (1, &string); |
| 12710 | clear_glyph_matrix (w->desired_matrix); |
| 12711 | clear_glyph_matrix (w->current_matrix); |
| 12712 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); |
| 12713 | try_window (FRAME_ROOT_WINDOW (f), pos); |
| 12714 | |
| 12715 | /* Compute width and height of the tooltip. */ |
| 12716 | width = height = 0; |
| 12717 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
| 12718 | { |
| 12719 | struct glyph_row *row = &w->desired_matrix->rows[i]; |
| 12720 | struct glyph *last; |
| 12721 | int row_width; |
| 12722 | |
| 12723 | /* Stop at the first empty row at the end. */ |
| 12724 | if (!row->enabled_p || !row->displays_text_p) |
| 12725 | break; |
| 12726 | |
| 12727 | /* Let the row go over the full width of the frame. */ |
| 12728 | row->full_width_p = 1; |
| 12729 | |
| 12730 | /* There's a glyph at the end of rows that is use to place |
| 12731 | the cursor there. Don't include the width of this glyph. */ |
| 12732 | if (row->used[TEXT_AREA]) |
| 12733 | { |
| 12734 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; |
| 12735 | row_width = row->pixel_width - last->pixel_width; |
| 12736 | } |
| 12737 | else |
| 12738 | row_width = row->pixel_width; |
| 12739 | |
| 12740 | height += row->height; |
| 12741 | width = max (width, row_width); |
| 12742 | } |
| 12743 | |
| 12744 | /* Add the frame's internal border to the width and height the X |
| 12745 | window should have. */ |
| 12746 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); |
| 12747 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); |
| 12748 | |
| 12749 | /* Move the tooltip window where the mouse pointer is. Resize and |
| 12750 | show it. */ |
| 12751 | compute_tip_xy (f, parms, dx, dy, &root_x, &root_y); |
| 12752 | |
| 12753 | #if 0 /* TODO : W32 specifics */ |
| 12754 | BLOCK_INPUT; |
| 12755 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 12756 | root_x, root_y - height, width, height); |
| 12757 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
| 12758 | UNBLOCK_INPUT; |
| 12759 | #endif /* TODO */ |
| 12760 | |
| 12761 | /* Draw into the window. */ |
| 12762 | w->must_be_updated_p = 1; |
| 12763 | update_single_window (w, 1); |
| 12764 | |
| 12765 | /* Restore original current buffer. */ |
| 12766 | set_buffer_internal_1 (old_buffer); |
| 12767 | windows_or_buffers_changed = old_windows_or_buffers_changed; |
| 12768 | |
| 12769 | start_timer: |
| 12770 | /* Let the tip disappear after timeout seconds. */ |
| 12771 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, |
| 12772 | intern ("x-hide-tip")); |
| 12773 | |
| 12774 | UNGCPRO; |
| 12775 | return unbind_to (count, Qnil); |
| 12776 | } |
| 12777 | |
| 12778 | |
| 12779 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, |
| 12780 | "Hide the current tooltip window, if there is any.\n\ |
| 12781 | Value is t is tooltip was open, nil otherwise.") |
| 12782 | () |
| 12783 | { |
| 12784 | int count; |
| 12785 | Lisp_Object deleted, frame, timer; |
| 12786 | struct gcpro gcpro1, gcpro2; |
| 12787 | |
| 12788 | /* Return quickly if nothing to do. */ |
| 12789 | if (NILP (tip_timer) && NILP (tip_frame)) |
| 12790 | return Qnil; |
| 12791 | |
| 12792 | frame = tip_frame; |
| 12793 | timer = tip_timer; |
| 12794 | GCPRO2 (frame, timer); |
| 12795 | tip_frame = tip_timer = deleted = Qnil; |
| 12796 | |
| 12797 | count = BINDING_STACK_SIZE (); |
| 12798 | specbind (Qinhibit_redisplay, Qt); |
| 12799 | specbind (Qinhibit_quit, Qt); |
| 12800 | |
| 12801 | if (!NILP (timer)) |
| 12802 | call1 (Qcancel_timer, timer); |
| 12803 | |
| 12804 | if (FRAMEP (frame)) |
| 12805 | { |
| 12806 | Fdelete_frame (frame, Qnil); |
| 12807 | deleted = Qt; |
| 12808 | } |
| 12809 | |
| 12810 | UNGCPRO; |
| 12811 | return unbind_to (count, deleted); |
| 12812 | } |
| 12813 | #endif |
| 12814 | |
| 12815 | |
| 12816 | \f |
| 12817 | /*********************************************************************** |
| 12818 | File selection dialog |
| 12819 | ***********************************************************************/ |
| 12820 | |
| 12821 | extern Lisp_Object Qfile_name_history; |
| 12822 | |
| 12823 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, |
| 12824 | "Read file name, prompting with PROMPT in directory DIR.\n\ |
| 12825 | Use a file selection dialog.\n\ |
| 12826 | Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ |
| 12827 | specified. Don't let the user enter a file name in the file\n\ |
| 12828 | selection dialog's entry field, if MUSTMATCH is non-nil.") |
| 12829 | (prompt, dir, default_filename, mustmatch) |
| 12830 | Lisp_Object prompt, dir, default_filename, mustmatch; |
| 12831 | { |
| 12832 | struct frame *f = SELECTED_FRAME (); |
| 12833 | Lisp_Object file = Qnil; |
| 12834 | int count = specpdl_ptr - specpdl; |
| 12835 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
| 12836 | char filename[MAX_PATH + 1]; |
| 12837 | char init_dir[MAX_PATH + 1]; |
| 12838 | int use_dialog_p = 1; |
| 12839 | |
| 12840 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); |
| 12841 | CHECK_STRING (prompt, 0); |
| 12842 | CHECK_STRING (dir, 1); |
| 12843 | |
| 12844 | /* Create the dialog with PROMPT as title, using DIR as initial |
| 12845 | directory and using "*" as pattern. */ |
| 12846 | dir = Fexpand_file_name (dir, Qnil); |
| 12847 | strncpy (init_dir, XSTRING (dir)->data, MAX_PATH); |
| 12848 | init_dir[MAX_PATH] = '\0'; |
| 12849 | unixtodos_filename (init_dir); |
| 12850 | |
| 12851 | if (STRINGP (default_filename)) |
| 12852 | { |
| 12853 | char *file_name_only; |
| 12854 | char *full_path_name = XSTRING (default_filename)->data; |
| 12855 | |
| 12856 | unixtodos_filename (full_path_name); |
| 12857 | |
| 12858 | file_name_only = strrchr (full_path_name, '\\'); |
| 12859 | if (!file_name_only) |
| 12860 | file_name_only = full_path_name; |
| 12861 | else |
| 12862 | { |
| 12863 | file_name_only++; |
| 12864 | |
| 12865 | /* If default_file_name is a directory, don't use the open |
| 12866 | file dialog, as it does not support selecting |
| 12867 | directories. */ |
| 12868 | if (!(*file_name_only)) |
| 12869 | use_dialog_p = 0; |
| 12870 | } |
| 12871 | |
| 12872 | strncpy (filename, file_name_only, MAX_PATH); |
| 12873 | filename[MAX_PATH] = '\0'; |
| 12874 | } |
| 12875 | else |
| 12876 | filename[0] = '\0'; |
| 12877 | |
| 12878 | if (use_dialog_p) |
| 12879 | { |
| 12880 | OPENFILENAME file_details; |
| 12881 | |
| 12882 | /* Prevent redisplay. */ |
| 12883 | specbind (Qinhibit_redisplay, Qt); |
| 12884 | BLOCK_INPUT; |
| 12885 | |
| 12886 | bzero (&file_details, sizeof (file_details)); |
| 12887 | file_details.lStructSize = sizeof (file_details); |
| 12888 | file_details.hwndOwner = FRAME_W32_WINDOW (f); |
| 12889 | file_details.lpstrFile = filename; |
| 12890 | file_details.nMaxFile = sizeof (filename); |
| 12891 | file_details.lpstrInitialDir = init_dir; |
| 12892 | file_details.lpstrTitle = XSTRING (prompt)->data; |
| 12893 | file_details.Flags = OFN_HIDEREADONLY | OFN_NOCHANGEDIR; |
| 12894 | |
| 12895 | if (!NILP (mustmatch)) |
| 12896 | file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST; |
| 12897 | |
| 12898 | if (GetOpenFileName (&file_details)) |
| 12899 | { |
| 12900 | dostounix_filename (filename); |
| 12901 | file = build_string (filename); |
| 12902 | } |
| 12903 | else |
| 12904 | file = Qnil; |
| 12905 | |
| 12906 | UNBLOCK_INPUT; |
| 12907 | file = unbind_to (count, file); |
| 12908 | } |
| 12909 | /* Open File dialog will not allow folders to be selected, so resort |
| 12910 | to minibuffer completing reads for directories. */ |
| 12911 | else |
| 12912 | file = Fcompleting_read (prompt, intern ("read-file-name-internal"), |
| 12913 | dir, mustmatch, dir, Qfile_name_history, |
| 12914 | default_filename, Qnil); |
| 12915 | |
| 12916 | UNGCPRO; |
| 12917 | |
| 12918 | /* Make "Cancel" equivalent to C-g. */ |
| 12919 | if (NILP (file)) |
| 12920 | Fsignal (Qquit, Qnil); |
| 12921 | |
| 12922 | return unbind_to (count, file); |
| 12923 | } |
| 12924 | |
| 12925 | |
| 12926 | \f |
| 12927 | /*********************************************************************** |
| 12928 | Tests |
| 12929 | ***********************************************************************/ |
| 12930 | |
| 12931 | #if GLYPH_DEBUG |
| 12932 | |
| 12933 | DEFUN ("imagep", Fimagep, Simagep, 1, 1, 0, |
| 12934 | "Value is non-nil if SPEC is a valid image specification.") |
| 12935 | (spec) |
| 12936 | Lisp_Object spec; |
| 12937 | { |
| 12938 | return valid_image_p (spec) ? Qt : Qnil; |
| 12939 | } |
| 12940 | |
| 12941 | |
| 12942 | DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "") |
| 12943 | (spec) |
| 12944 | Lisp_Object spec; |
| 12945 | { |
| 12946 | int id = -1; |
| 12947 | |
| 12948 | if (valid_image_p (spec)) |
| 12949 | id = lookup_image (SELECTED_FRAME (), spec); |
| 12950 | |
| 12951 | debug_print (spec); |
| 12952 | return make_number (id); |
| 12953 | } |
| 12954 | |
| 12955 | #endif /* GLYPH_DEBUG != 0 */ |
| 12956 | |
| 12957 | |
| 12958 | \f |
| 12959 | /*********************************************************************** |
| 12960 | w32 specialized functions |
| 12961 | ***********************************************************************/ |
| 12962 | |
| 12963 | DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 1, 0, |
| 12964 | "This will display the W32 font dialog and return an X font string corresponding to the selection.") |
| 12965 | (frame) |
| 12966 | Lisp_Object frame; |
| 12967 | { |
| 12968 | FRAME_PTR f = check_x_frame (frame); |
| 12969 | CHOOSEFONT cf; |
| 12970 | LOGFONT lf; |
| 12971 | TEXTMETRIC tm; |
| 12972 | HDC hdc; |
| 12973 | HANDLE oldobj; |
| 12974 | char buf[100]; |
| 12975 | |
| 12976 | bzero (&cf, sizeof (cf)); |
| 12977 | bzero (&lf, sizeof (lf)); |
| 12978 | |
| 12979 | cf.lStructSize = sizeof (cf); |
| 12980 | cf.hwndOwner = FRAME_W32_WINDOW (f); |
| 12981 | cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS; |
| 12982 | cf.lpLogFont = &lf; |
| 12983 | |
| 12984 | /* Initialize as much of the font details as we can from the current |
| 12985 | default font. */ |
| 12986 | hdc = GetDC (FRAME_W32_WINDOW (f)); |
| 12987 | oldobj = SelectObject (hdc, FRAME_FONT (f)->hfont); |
| 12988 | GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); |
| 12989 | if (GetTextMetrics (hdc, &tm)) |
| 12990 | { |
| 12991 | lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; |
| 12992 | lf.lfWeight = tm.tmWeight; |
| 12993 | lf.lfItalic = tm.tmItalic; |
| 12994 | lf.lfUnderline = tm.tmUnderlined; |
| 12995 | lf.lfStrikeOut = tm.tmStruckOut; |
| 12996 | lf.lfCharSet = tm.tmCharSet; |
| 12997 | cf.Flags |= CF_INITTOLOGFONTSTRUCT; |
| 12998 | } |
| 12999 | SelectObject (hdc, oldobj); |
| 13000 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); |
| 13001 | |
| 13002 | if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100, NULL)) |
| 13003 | return Qnil; |
| 13004 | |
| 13005 | return build_string (buf); |
| 13006 | } |
| 13007 | |
| 13008 | DEFUN ("w32-send-sys-command", Fw32_send_sys_command, Sw32_send_sys_command, 1, 2, 0, |
| 13009 | "Send frame a Windows WM_SYSCOMMAND message of type COMMAND.\n\ |
| 13010 | Some useful values for command are 0xf030 to maximise frame (0xf020\n\ |
| 13011 | to minimize), 0xf120 to restore frame to original size, and 0xf100\n\ |
| 13012 | to activate the menubar for keyboard access. 0xf140 activates the\n\ |
| 13013 | screen saver if defined.\n\ |
| 13014 | \n\ |
| 13015 | If optional parameter FRAME is not specified, use selected frame.") |
| 13016 | (command, frame) |
| 13017 | Lisp_Object command, frame; |
| 13018 | { |
| 13019 | FRAME_PTR f = check_x_frame (frame); |
| 13020 | |
| 13021 | CHECK_NUMBER (command, 0); |
| 13022 | |
| 13023 | PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, XINT (command), 0); |
| 13024 | |
| 13025 | return Qnil; |
| 13026 | } |
| 13027 | |
| 13028 | DEFUN ("w32-shell-execute", Fw32_shell_execute, Sw32_shell_execute, 2, 4, 0, |
| 13029 | "Get Windows to perform OPERATION on DOCUMENT.\n\ |
| 13030 | This is a wrapper around the ShellExecute system function, which\n\ |
| 13031 | invokes the application registered to handle OPERATION for DOCUMENT.\n\ |
| 13032 | OPERATION is typically \"open\", \"print\" or \"explore\" (but can be\n\ |
| 13033 | nil for the default action), and DOCUMENT is typically the name of a\n\ |
| 13034 | document file or URL, but can also be a program executable to run or\n\ |
| 13035 | a directory to open in the Windows Explorer.\n\ |
| 13036 | \n\ |
| 13037 | If DOCUMENT is a program executable, PARAMETERS can be a string\n\ |
| 13038 | containing command line parameters, but otherwise should be nil.\n\ |
| 13039 | \n\ |
| 13040 | SHOW-FLAG can be used to control whether the invoked application is hidden\n\ |
| 13041 | or minimized. If SHOW-FLAG is nil, the application is displayed normally,\n\ |
| 13042 | otherwise it is an integer representing a ShowWindow flag:\n\ |
| 13043 | \n\ |
| 13044 | 0 - start hidden\n\ |
| 13045 | 1 - start normally\n\ |
| 13046 | 3 - start maximized\n\ |
| 13047 | 6 - start minimized") |
| 13048 | (operation, document, parameters, show_flag) |
| 13049 | Lisp_Object operation, document, parameters, show_flag; |
| 13050 | { |
| 13051 | Lisp_Object current_dir; |
| 13052 | |
| 13053 | CHECK_STRING (document, 0); |
| 13054 | |
| 13055 | /* Encode filename and current directory. */ |
| 13056 | current_dir = ENCODE_FILE (current_buffer->directory); |
| 13057 | document = ENCODE_FILE (document); |
| 13058 | if ((int) ShellExecute (NULL, |
| 13059 | (STRINGP (operation) ? |
| 13060 | XSTRING (operation)->data : NULL), |
| 13061 | XSTRING (document)->data, |
| 13062 | (STRINGP (parameters) ? |
| 13063 | XSTRING (parameters)->data : NULL), |
| 13064 | XSTRING (current_dir)->data, |
| 13065 | (INTEGERP (show_flag) ? |
| 13066 | XINT (show_flag) : SW_SHOWDEFAULT)) |
| 13067 | > 32) |
| 13068 | return Qt; |
| 13069 | error ("ShellExecute failed: %s", w32_strerror (0)); |
| 13070 | } |
| 13071 | |
| 13072 | /* Lookup virtual keycode from string representing the name of a |
| 13073 | non-ascii keystroke into the corresponding virtual key, using |
| 13074 | lispy_function_keys. */ |
| 13075 | static int |
| 13076 | lookup_vk_code (char *key) |
| 13077 | { |
| 13078 | int i; |
| 13079 | |
| 13080 | for (i = 0; i < 256; i++) |
| 13081 | if (lispy_function_keys[i] != 0 |
| 13082 | && strcmp (lispy_function_keys[i], key) == 0) |
| 13083 | return i; |
| 13084 | |
| 13085 | return -1; |
| 13086 | } |
| 13087 | |
| 13088 | /* Convert a one-element vector style key sequence to a hot key |
| 13089 | definition. */ |
| 13090 | static int |
| 13091 | w32_parse_hot_key (key) |
| 13092 | Lisp_Object key; |
| 13093 | { |
| 13094 | /* Copied from Fdefine_key and store_in_keymap. */ |
| 13095 | register Lisp_Object c; |
| 13096 | int vk_code; |
| 13097 | int lisp_modifiers; |
| 13098 | int w32_modifiers; |
| 13099 | struct gcpro gcpro1; |
| 13100 | |
| 13101 | CHECK_VECTOR (key, 0); |
| 13102 | |
| 13103 | if (XFASTINT (Flength (key)) != 1) |
| 13104 | return Qnil; |
| 13105 | |
| 13106 | GCPRO1 (key); |
| 13107 | |
| 13108 | c = Faref (key, make_number (0)); |
| 13109 | |
| 13110 | if (CONSP (c) && lucid_event_type_list_p (c)) |
| 13111 | c = Fevent_convert_list (c); |
| 13112 | |
| 13113 | UNGCPRO; |
| 13114 | |
| 13115 | if (! INTEGERP (c) && ! SYMBOLP (c)) |
| 13116 | error ("Key definition is invalid"); |
| 13117 | |
| 13118 | /* Work out the base key and the modifiers. */ |
| 13119 | if (SYMBOLP (c)) |
| 13120 | { |
| 13121 | c = parse_modifiers (c); |
| 13122 | lisp_modifiers = Fcar (Fcdr (c)); |
| 13123 | c = Fcar (c); |
| 13124 | if (!SYMBOLP (c)) |
| 13125 | abort (); |
| 13126 | vk_code = lookup_vk_code (XSYMBOL (c)->name->data); |
| 13127 | } |
| 13128 | else if (INTEGERP (c)) |
| 13129 | { |
| 13130 | lisp_modifiers = XINT (c) & ~CHARACTERBITS; |
| 13131 | /* Many ascii characters are their own virtual key code. */ |
| 13132 | vk_code = XINT (c) & CHARACTERBITS; |
| 13133 | } |
| 13134 | |
| 13135 | if (vk_code < 0 || vk_code > 255) |
| 13136 | return Qnil; |
| 13137 | |
| 13138 | if ((lisp_modifiers & meta_modifier) != 0 |
| 13139 | && !NILP (Vw32_alt_is_meta)) |
| 13140 | lisp_modifiers |= alt_modifier; |
| 13141 | |
| 13142 | /* Supply defs missing from mingw32. */ |
| 13143 | #ifndef MOD_ALT |
| 13144 | #define MOD_ALT 0x0001 |
| 13145 | #define MOD_CONTROL 0x0002 |
| 13146 | #define MOD_SHIFT 0x0004 |
| 13147 | #define MOD_WIN 0x0008 |
| 13148 | #endif |
| 13149 | |
| 13150 | /* Convert lisp modifiers to Windows hot-key form. */ |
| 13151 | w32_modifiers = (lisp_modifiers & hyper_modifier) ? MOD_WIN : 0; |
| 13152 | w32_modifiers |= (lisp_modifiers & alt_modifier) ? MOD_ALT : 0; |
| 13153 | w32_modifiers |= (lisp_modifiers & ctrl_modifier) ? MOD_CONTROL : 0; |
| 13154 | w32_modifiers |= (lisp_modifiers & shift_modifier) ? MOD_SHIFT : 0; |
| 13155 | |
| 13156 | return HOTKEY (vk_code, w32_modifiers); |
| 13157 | } |
| 13158 | |
| 13159 | DEFUN ("w32-register-hot-key", Fw32_register_hot_key, Sw32_register_hot_key, 1, 1, 0, |
| 13160 | "Register KEY as a hot-key combination.\n\ |
| 13161 | Certain key combinations like Alt-Tab are reserved for system use on\n\ |
| 13162 | Windows, and therefore are normally intercepted by the system. However,\n\ |
| 13163 | most of these key combinations can be received by registering them as\n\ |
| 13164 | hot-keys, overriding their special meaning.\n\ |
| 13165 | \n\ |
| 13166 | KEY must be a one element key definition in vector form that would be\n\ |
| 13167 | acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta\n\ |
| 13168 | modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper\n\ |
| 13169 | is always interpreted as the Windows modifier keys.\n\ |
| 13170 | \n\ |
| 13171 | The return value is the hotkey-id if registered, otherwise nil.") |
| 13172 | (key) |
| 13173 | Lisp_Object key; |
| 13174 | { |
| 13175 | key = w32_parse_hot_key (key); |
| 13176 | |
| 13177 | if (NILP (Fmemq (key, w32_grabbed_keys))) |
| 13178 | { |
| 13179 | /* Reuse an empty slot if possible. */ |
| 13180 | Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys); |
| 13181 | |
| 13182 | /* Safe to add new key to list, even if we have focus. */ |
| 13183 | if (NILP (item)) |
| 13184 | w32_grabbed_keys = Fcons (key, w32_grabbed_keys); |
| 13185 | else |
| 13186 | XCAR (item) = key; |
| 13187 | |
| 13188 | /* Notify input thread about new hot-key definition, so that it |
| 13189 | takes effect without needing to switch focus. */ |
| 13190 | PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY, |
| 13191 | (WPARAM) key, 0); |
| 13192 | } |
| 13193 | |
| 13194 | return key; |
| 13195 | } |
| 13196 | |
| 13197 | DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key, Sw32_unregister_hot_key, 1, 1, 0, |
| 13198 | "Unregister HOTKEY as a hot-key combination.") |
| 13199 | (key) |
| 13200 | Lisp_Object key; |
| 13201 | { |
| 13202 | Lisp_Object item; |
| 13203 | |
| 13204 | if (!INTEGERP (key)) |
| 13205 | key = w32_parse_hot_key (key); |
| 13206 | |
| 13207 | item = Fmemq (key, w32_grabbed_keys); |
| 13208 | |
| 13209 | if (!NILP (item)) |
| 13210 | { |
| 13211 | /* Notify input thread about hot-key definition being removed, so |
| 13212 | that it takes effect without needing focus switch. */ |
| 13213 | if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY, |
| 13214 | (WPARAM) XINT (XCAR (item)), (LPARAM) item)) |
| 13215 | { |
| 13216 | MSG msg; |
| 13217 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 13218 | } |
| 13219 | return Qt; |
| 13220 | } |
| 13221 | return Qnil; |
| 13222 | } |
| 13223 | |
| 13224 | DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys, Sw32_registered_hot_keys, 0, 0, 0, |
| 13225 | "Return list of registered hot-key IDs.") |
| 13226 | () |
| 13227 | { |
| 13228 | return Fcopy_sequence (w32_grabbed_keys); |
| 13229 | } |
| 13230 | |
| 13231 | DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key, Sw32_reconstruct_hot_key, 1, 1, 0, |
| 13232 | "Convert hot-key ID to a lisp key combination.") |
| 13233 | (hotkeyid) |
| 13234 | Lisp_Object hotkeyid; |
| 13235 | { |
| 13236 | int vk_code, w32_modifiers; |
| 13237 | Lisp_Object key; |
| 13238 | |
| 13239 | CHECK_NUMBER (hotkeyid, 0); |
| 13240 | |
| 13241 | vk_code = HOTKEY_VK_CODE (hotkeyid); |
| 13242 | w32_modifiers = HOTKEY_MODIFIERS (hotkeyid); |
| 13243 | |
| 13244 | if (lispy_function_keys[vk_code]) |
| 13245 | key = intern (lispy_function_keys[vk_code]); |
| 13246 | else |
| 13247 | key = make_number (vk_code); |
| 13248 | |
| 13249 | key = Fcons (key, Qnil); |
| 13250 | if (w32_modifiers & MOD_SHIFT) |
| 13251 | key = Fcons (Qshift, key); |
| 13252 | if (w32_modifiers & MOD_CONTROL) |
| 13253 | key = Fcons (Qctrl, key); |
| 13254 | if (w32_modifiers & MOD_ALT) |
| 13255 | key = Fcons (NILP (Vw32_alt_is_meta) ? Qalt : Qmeta, key); |
| 13256 | if (w32_modifiers & MOD_WIN) |
| 13257 | key = Fcons (Qhyper, key); |
| 13258 | |
| 13259 | return key; |
| 13260 | } |
| 13261 | |
| 13262 | DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key, Sw32_toggle_lock_key, 1, 2, 0, |
| 13263 | "Toggle the state of the lock key KEY.\n\ |
| 13264 | KEY can be `capslock', `kp-numlock', or `scroll'.\n\ |
| 13265 | If the optional parameter NEW-STATE is a number, then the state of KEY\n\ |
| 13266 | is set to off if the low bit of NEW-STATE is zero, otherwise on.") |
| 13267 | (key, new_state) |
| 13268 | Lisp_Object key, new_state; |
| 13269 | { |
| 13270 | int vk_code; |
| 13271 | |
| 13272 | if (EQ (key, intern ("capslock"))) |
| 13273 | vk_code = VK_CAPITAL; |
| 13274 | else if (EQ (key, intern ("kp-numlock"))) |
| 13275 | vk_code = VK_NUMLOCK; |
| 13276 | else if (EQ (key, intern ("scroll"))) |
| 13277 | vk_code = VK_SCROLL; |
| 13278 | else |
| 13279 | return Qnil; |
| 13280 | |
| 13281 | if (!dwWindowsThreadId) |
| 13282 | return make_number (w32_console_toggle_lock_key (vk_code, new_state)); |
| 13283 | |
| 13284 | if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY, |
| 13285 | (WPARAM) vk_code, (LPARAM) new_state)) |
| 13286 | { |
| 13287 | MSG msg; |
| 13288 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 13289 | return make_number (msg.wParam); |
| 13290 | } |
| 13291 | return Qnil; |
| 13292 | } |
| 13293 | \f |
| 13294 | DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0, |
| 13295 | "Return storage information about the file system FILENAME is on.\n\ |
| 13296 | Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total\n\ |
| 13297 | storage of the file system, FREE is the free storage, and AVAIL is the\n\ |
| 13298 | storage available to a non-superuser. All 3 numbers are in bytes.\n\ |
| 13299 | If the underlying system call fails, value is nil.") |
| 13300 | (filename) |
| 13301 | Lisp_Object filename; |
| 13302 | { |
| 13303 | Lisp_Object encoded, value; |
| 13304 | |
| 13305 | CHECK_STRING (filename, 0); |
| 13306 | filename = Fexpand_file_name (filename, Qnil); |
| 13307 | encoded = ENCODE_FILE (filename); |
| 13308 | |
| 13309 | value = Qnil; |
| 13310 | |
| 13311 | /* Determining the required information on Windows turns out, sadly, |
| 13312 | to be more involved than one would hope. The original Win32 api |
| 13313 | call for this will return bogus information on some systems, but we |
| 13314 | must dynamically probe for the replacement api, since that was |
| 13315 | added rather late on. */ |
| 13316 | { |
| 13317 | HMODULE hKernel = GetModuleHandle ("kernel32"); |
| 13318 | BOOL (*pfn_GetDiskFreeSpaceEx) |
| 13319 | (char *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER) |
| 13320 | = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceEx"); |
| 13321 | |
| 13322 | /* On Windows, we may need to specify the root directory of the |
| 13323 | volume holding FILENAME. */ |
| 13324 | char rootname[MAX_PATH]; |
| 13325 | char *name = XSTRING (encoded)->data; |
| 13326 | |
| 13327 | /* find the root name of the volume if given */ |
| 13328 | if (isalpha (name[0]) && name[1] == ':') |
| 13329 | { |
| 13330 | rootname[0] = name[0]; |
| 13331 | rootname[1] = name[1]; |
| 13332 | rootname[2] = '\\'; |
| 13333 | rootname[3] = 0; |
| 13334 | } |
| 13335 | else if (IS_DIRECTORY_SEP (name[0]) && IS_DIRECTORY_SEP (name[1])) |
| 13336 | { |
| 13337 | char *str = rootname; |
| 13338 | int slashes = 4; |
| 13339 | do |
| 13340 | { |
| 13341 | if (IS_DIRECTORY_SEP (*name) && --slashes == 0) |
| 13342 | break; |
| 13343 | *str++ = *name++; |
| 13344 | } |
| 13345 | while ( *name ); |
| 13346 | |
| 13347 | *str++ = '\\'; |
| 13348 | *str = 0; |
| 13349 | } |
| 13350 | |
| 13351 | if (pfn_GetDiskFreeSpaceEx) |
| 13352 | { |
| 13353 | LARGE_INTEGER availbytes; |
| 13354 | LARGE_INTEGER freebytes; |
| 13355 | LARGE_INTEGER totalbytes; |
| 13356 | |
| 13357 | if (pfn_GetDiskFreeSpaceEx(rootname, |
| 13358 | &availbytes, |
| 13359 | &totalbytes, |
| 13360 | &freebytes)) |
| 13361 | value = list3 (make_float ((double) totalbytes.QuadPart), |
| 13362 | make_float ((double) freebytes.QuadPart), |
| 13363 | make_float ((double) availbytes.QuadPart)); |
| 13364 | } |
| 13365 | else |
| 13366 | { |
| 13367 | DWORD sectors_per_cluster; |
| 13368 | DWORD bytes_per_sector; |
| 13369 | DWORD free_clusters; |
| 13370 | DWORD total_clusters; |
| 13371 | |
| 13372 | if (GetDiskFreeSpace(rootname, |
| 13373 | §ors_per_cluster, |
| 13374 | &bytes_per_sector, |
| 13375 | &free_clusters, |
| 13376 | &total_clusters)) |
| 13377 | value = list3 (make_float ((double) total_clusters |
| 13378 | * sectors_per_cluster * bytes_per_sector), |
| 13379 | make_float ((double) free_clusters |
| 13380 | * sectors_per_cluster * bytes_per_sector), |
| 13381 | make_float ((double) free_clusters |
| 13382 | * sectors_per_cluster * bytes_per_sector)); |
| 13383 | } |
| 13384 | } |
| 13385 | |
| 13386 | return value; |
| 13387 | } |
| 13388 | \f |
| 13389 | syms_of_w32fns () |
| 13390 | { |
| 13391 | /* This is zero if not using MS-Windows. */ |
| 13392 | w32_in_use = 0; |
| 13393 | |
| 13394 | /* The section below is built by the lisp expression at the top of the file, |
| 13395 | just above where these variables are declared. */ |
| 13396 | /*&&& init symbols here &&&*/ |
| 13397 | Qauto_raise = intern ("auto-raise"); |
| 13398 | staticpro (&Qauto_raise); |
| 13399 | Qauto_lower = intern ("auto-lower"); |
| 13400 | staticpro (&Qauto_lower); |
| 13401 | Qbar = intern ("bar"); |
| 13402 | staticpro (&Qbar); |
| 13403 | Qborder_color = intern ("border-color"); |
| 13404 | staticpro (&Qborder_color); |
| 13405 | Qborder_width = intern ("border-width"); |
| 13406 | staticpro (&Qborder_width); |
| 13407 | Qbox = intern ("box"); |
| 13408 | staticpro (&Qbox); |
| 13409 | Qcursor_color = intern ("cursor-color"); |
| 13410 | staticpro (&Qcursor_color); |
| 13411 | Qcursor_type = intern ("cursor-type"); |
| 13412 | staticpro (&Qcursor_type); |
| 13413 | Qgeometry = intern ("geometry"); |
| 13414 | staticpro (&Qgeometry); |
| 13415 | Qicon_left = intern ("icon-left"); |
| 13416 | staticpro (&Qicon_left); |
| 13417 | Qicon_top = intern ("icon-top"); |
| 13418 | staticpro (&Qicon_top); |
| 13419 | Qicon_type = intern ("icon-type"); |
| 13420 | staticpro (&Qicon_type); |
| 13421 | Qicon_name = intern ("icon-name"); |
| 13422 | staticpro (&Qicon_name); |
| 13423 | Qinternal_border_width = intern ("internal-border-width"); |
| 13424 | staticpro (&Qinternal_border_width); |
| 13425 | Qleft = intern ("left"); |
| 13426 | staticpro (&Qleft); |
| 13427 | Qright = intern ("right"); |
| 13428 | staticpro (&Qright); |
| 13429 | Qmouse_color = intern ("mouse-color"); |
| 13430 | staticpro (&Qmouse_color); |
| 13431 | Qnone = intern ("none"); |
| 13432 | staticpro (&Qnone); |
| 13433 | Qparent_id = intern ("parent-id"); |
| 13434 | staticpro (&Qparent_id); |
| 13435 | Qscroll_bar_width = intern ("scroll-bar-width"); |
| 13436 | staticpro (&Qscroll_bar_width); |
| 13437 | Qsuppress_icon = intern ("suppress-icon"); |
| 13438 | staticpro (&Qsuppress_icon); |
| 13439 | Qundefined_color = intern ("undefined-color"); |
| 13440 | staticpro (&Qundefined_color); |
| 13441 | Qvertical_scroll_bars = intern ("vertical-scroll-bars"); |
| 13442 | staticpro (&Qvertical_scroll_bars); |
| 13443 | Qvisibility = intern ("visibility"); |
| 13444 | staticpro (&Qvisibility); |
| 13445 | Qwindow_id = intern ("window-id"); |
| 13446 | staticpro (&Qwindow_id); |
| 13447 | Qx_frame_parameter = intern ("x-frame-parameter"); |
| 13448 | staticpro (&Qx_frame_parameter); |
| 13449 | Qx_resource_name = intern ("x-resource-name"); |
| 13450 | staticpro (&Qx_resource_name); |
| 13451 | Quser_position = intern ("user-position"); |
| 13452 | staticpro (&Quser_position); |
| 13453 | Quser_size = intern ("user-size"); |
| 13454 | staticpro (&Quser_size); |
| 13455 | Qscreen_gamma = intern ("screen-gamma"); |
| 13456 | staticpro (&Qscreen_gamma); |
| 13457 | Qline_spacing = intern ("line-spacing"); |
| 13458 | staticpro (&Qline_spacing); |
| 13459 | Qcenter = intern ("center"); |
| 13460 | staticpro (&Qcenter); |
| 13461 | Qcancel_timer = intern ("cancel-timer"); |
| 13462 | staticpro (&Qcancel_timer); |
| 13463 | /* This is the end of symbol initialization. */ |
| 13464 | |
| 13465 | Qhyper = intern ("hyper"); |
| 13466 | staticpro (&Qhyper); |
| 13467 | Qsuper = intern ("super"); |
| 13468 | staticpro (&Qsuper); |
| 13469 | Qmeta = intern ("meta"); |
| 13470 | staticpro (&Qmeta); |
| 13471 | Qalt = intern ("alt"); |
| 13472 | staticpro (&Qalt); |
| 13473 | Qctrl = intern ("ctrl"); |
| 13474 | staticpro (&Qctrl); |
| 13475 | Qcontrol = intern ("control"); |
| 13476 | staticpro (&Qcontrol); |
| 13477 | Qshift = intern ("shift"); |
| 13478 | staticpro (&Qshift); |
| 13479 | |
| 13480 | /* Text property `display' should be nonsticky by default. */ |
| 13481 | Vtext_property_default_nonsticky |
| 13482 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); |
| 13483 | |
| 13484 | |
| 13485 | Qlaplace = intern ("laplace"); |
| 13486 | staticpro (&Qlaplace); |
| 13487 | |
| 13488 | Qface_set_after_frame_default = intern ("face-set-after-frame-default"); |
| 13489 | staticpro (&Qface_set_after_frame_default); |
| 13490 | |
| 13491 | Fput (Qundefined_color, Qerror_conditions, |
| 13492 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); |
| 13493 | Fput (Qundefined_color, Qerror_message, |
| 13494 | build_string ("Undefined color")); |
| 13495 | |
| 13496 | staticpro (&w32_grabbed_keys); |
| 13497 | w32_grabbed_keys = Qnil; |
| 13498 | |
| 13499 | DEFVAR_LISP ("w32-color-map", &Vw32_color_map, |
| 13500 | "An array of color name mappings for windows."); |
| 13501 | Vw32_color_map = Qnil; |
| 13502 | |
| 13503 | DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system, |
| 13504 | "Non-nil if alt key presses are passed on to Windows.\n\ |
| 13505 | When non-nil, for example, alt pressed and released and then space will\n\ |
| 13506 | open the System menu. When nil, Emacs silently swallows alt key events."); |
| 13507 | Vw32_pass_alt_to_system = Qnil; |
| 13508 | |
| 13509 | DEFVAR_LISP ("w32-alt-is-meta", &Vw32_alt_is_meta, |
| 13510 | "Non-nil if the alt key is to be considered the same as the meta key.\n\ |
| 13511 | When nil, Emacs will translate the alt key to the Alt modifier, and not Meta."); |
| 13512 | Vw32_alt_is_meta = Qt; |
| 13513 | |
| 13514 | DEFVAR_INT ("w32-quit-key", &Vw32_quit_key, |
| 13515 | "If non-zero, the virtual key code for an alternative quit key."); |
| 13516 | XSETINT (Vw32_quit_key, 0); |
| 13517 | |
| 13518 | DEFVAR_LISP ("w32-pass-lwindow-to-system", |
| 13519 | &Vw32_pass_lwindow_to_system, |
| 13520 | "Non-nil if the left \"Windows\" key is passed on to Windows.\n\ |
| 13521 | When non-nil, the Start menu is opened by tapping the key."); |
| 13522 | Vw32_pass_lwindow_to_system = Qt; |
| 13523 | |
| 13524 | DEFVAR_LISP ("w32-pass-rwindow-to-system", |
| 13525 | &Vw32_pass_rwindow_to_system, |
| 13526 | "Non-nil if the right \"Windows\" key is passed on to Windows.\n\ |
| 13527 | When non-nil, the Start menu is opened by tapping the key."); |
| 13528 | Vw32_pass_rwindow_to_system = Qt; |
| 13529 | |
| 13530 | DEFVAR_INT ("w32-phantom-key-code", |
| 13531 | &Vw32_phantom_key_code, |
| 13532 | "Virtual key code used to generate \"phantom\" key presses.\n\ |
| 13533 | Value is a number between 0 and 255.\n\ |
| 13534 | \n\ |
| 13535 | Phantom key presses are generated in order to stop the system from\n\ |
| 13536 | acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or\n\ |
| 13537 | `w32-pass-rwindow-to-system' is nil."); |
| 13538 | /* Although 255 is technically not a valid key code, it works and |
| 13539 | means that this hack won't interfere with any real key code. */ |
| 13540 | Vw32_phantom_key_code = 255; |
| 13541 | |
| 13542 | DEFVAR_LISP ("w32-enable-num-lock", |
| 13543 | &Vw32_enable_num_lock, |
| 13544 | "Non-nil if Num Lock should act normally.\n\ |
| 13545 | Set to nil to see Num Lock as the key `kp-numlock'."); |
| 13546 | Vw32_enable_num_lock = Qt; |
| 13547 | |
| 13548 | DEFVAR_LISP ("w32-enable-caps-lock", |
| 13549 | &Vw32_enable_caps_lock, |
| 13550 | "Non-nil if Caps Lock should act normally.\n\ |
| 13551 | Set to nil to see Caps Lock as the key `capslock'."); |
| 13552 | Vw32_enable_caps_lock = Qt; |
| 13553 | |
| 13554 | DEFVAR_LISP ("w32-scroll-lock-modifier", |
| 13555 | &Vw32_scroll_lock_modifier, |
| 13556 | "Modifier to use for the Scroll Lock on state.\n\ |
| 13557 | The value can be hyper, super, meta, alt, control or shift for the\n\ |
| 13558 | respective modifier, or nil to see Scroll Lock as the key `scroll'.\n\ |
| 13559 | Any other value will cause the key to be ignored."); |
| 13560 | Vw32_scroll_lock_modifier = Qt; |
| 13561 | |
| 13562 | DEFVAR_LISP ("w32-lwindow-modifier", |
| 13563 | &Vw32_lwindow_modifier, |
| 13564 | "Modifier to use for the left \"Windows\" key.\n\ |
| 13565 | The value can be hyper, super, meta, alt, control or shift for the\n\ |
| 13566 | respective modifier, or nil to appear as the key `lwindow'.\n\ |
| 13567 | Any other value will cause the key to be ignored."); |
| 13568 | Vw32_lwindow_modifier = Qnil; |
| 13569 | |
| 13570 | DEFVAR_LISP ("w32-rwindow-modifier", |
| 13571 | &Vw32_rwindow_modifier, |
| 13572 | "Modifier to use for the right \"Windows\" key.\n\ |
| 13573 | The value can be hyper, super, meta, alt, control or shift for the\n\ |
| 13574 | respective modifier, or nil to appear as the key `rwindow'.\n\ |
| 13575 | Any other value will cause the key to be ignored."); |
| 13576 | Vw32_rwindow_modifier = Qnil; |
| 13577 | |
| 13578 | DEFVAR_LISP ("w32-apps-modifier", |
| 13579 | &Vw32_apps_modifier, |
| 13580 | "Modifier to use for the \"Apps\" key.\n\ |
| 13581 | The value can be hyper, super, meta, alt, control or shift for the\n\ |
| 13582 | respective modifier, or nil to appear as the key `apps'.\n\ |
| 13583 | Any other value will cause the key to be ignored."); |
| 13584 | Vw32_apps_modifier = Qnil; |
| 13585 | |
| 13586 | DEFVAR_LISP ("w32-enable-synthesized-fonts", &Vw32_enable_synthesized_fonts, |
| 13587 | "Non-nil enables selection of artificially italicized and bold fonts."); |
| 13588 | Vw32_enable_synthesized_fonts = Qnil; |
| 13589 | |
| 13590 | DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette, |
| 13591 | "Non-nil enables Windows palette management to map colors exactly."); |
| 13592 | Vw32_enable_palette = Qt; |
| 13593 | |
| 13594 | DEFVAR_INT ("w32-mouse-button-tolerance", |
| 13595 | &Vw32_mouse_button_tolerance, |
| 13596 | "Analogue of double click interval for faking middle mouse events.\n\ |
| 13597 | The value is the minimum time in milliseconds that must elapse between\n\ |
| 13598 | left/right button down events before they are considered distinct events.\n\ |
| 13599 | If both mouse buttons are depressed within this interval, a middle mouse\n\ |
| 13600 | button down event is generated instead."); |
| 13601 | XSETINT (Vw32_mouse_button_tolerance, GetDoubleClickTime () / 2); |
| 13602 | |
| 13603 | DEFVAR_INT ("w32-mouse-move-interval", |
| 13604 | &Vw32_mouse_move_interval, |
| 13605 | "Minimum interval between mouse move events.\n\ |
| 13606 | The value is the minimum time in milliseconds that must elapse between\n\ |
| 13607 | successive mouse move (or scroll bar drag) events before they are\n\ |
| 13608 | reported as lisp events."); |
| 13609 | XSETINT (Vw32_mouse_move_interval, 0); |
| 13610 | |
| 13611 | init_x_parm_symbols (); |
| 13612 | |
| 13613 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
| 13614 | "List of directories to search for bitmap files for w32."); |
| 13615 | Vx_bitmap_file_path = decode_env_path ((char *) 0, "PATH"); |
| 13616 | |
| 13617 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
| 13618 | "The shape of the pointer when over text.\n\ |
| 13619 | Changing the value does not affect existing frames\n\ |
| 13620 | unless you set the mouse color."); |
| 13621 | Vx_pointer_shape = Qnil; |
| 13622 | |
| 13623 | DEFVAR_LISP ("x-resource-name", &Vx_resource_name, |
| 13624 | "The name Emacs uses to look up resources; for internal use only.\n\ |
| 13625 | `x-get-resource' uses this as the first component of the instance name\n\ |
| 13626 | when requesting resource values.\n\ |
| 13627 | Emacs initially sets `x-resource-name' to the name under which Emacs\n\ |
| 13628 | was invoked, or to the value specified with the `-name' or `-rn'\n\ |
| 13629 | switches, if present."); |
| 13630 | Vx_resource_name = Qnil; |
| 13631 | |
| 13632 | Vx_nontext_pointer_shape = Qnil; |
| 13633 | |
| 13634 | Vx_mode_pointer_shape = Qnil; |
| 13635 | |
| 13636 | DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape, |
| 13637 | "The shape of the pointer when Emacs is busy.\n\ |
| 13638 | This variable takes effect when you create a new frame\n\ |
| 13639 | or when you set the mouse color."); |
| 13640 | Vx_busy_pointer_shape = Qnil; |
| 13641 | |
| 13642 | DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p, |
| 13643 | "Non-zero means Emacs displays a busy cursor on window systems."); |
| 13644 | display_busy_cursor_p = 1; |
| 13645 | |
| 13646 | DEFVAR_LISP ("busy-cursor-delay", &Vbusy_cursor_delay, |
| 13647 | "*Seconds to wait before displaying a busy-cursor.\n\ |
| 13648 | Value must be an integer or float."); |
| 13649 | Vbusy_cursor_delay = make_number (DEFAULT_BUSY_CURSOR_DELAY); |
| 13650 | |
| 13651 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
| 13652 | &Vx_sensitive_text_pointer_shape, |
| 13653 | "The shape of the pointer when over mouse-sensitive text.\n\ |
| 13654 | This variable takes effect when you create a new frame\n\ |
| 13655 | or when you set the mouse color."); |
| 13656 | Vx_sensitive_text_pointer_shape = Qnil; |
| 13657 | |
| 13658 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
| 13659 | &Vx_window_horizontal_drag_shape, |
| 13660 | "Pointer shape to use for indicating a window can be dragged horizontally.\n\ |
| 13661 | This variable takes effect when you create a new frame\n\ |
| 13662 | or when you set the mouse color."); |
| 13663 | Vx_window_horizontal_drag_shape = Qnil; |
| 13664 | |
| 13665 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
| 13666 | "A string indicating the foreground color of the cursor box."); |
| 13667 | Vx_cursor_fore_pixel = Qnil; |
| 13668 | |
| 13669 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
| 13670 | "Non-nil if no window manager is in use.\n\ |
| 13671 | Emacs doesn't try to figure this out; this is always nil\n\ |
| 13672 | unless you set it to something else."); |
| 13673 | /* We don't have any way to find this out, so set it to nil |
| 13674 | and maybe the user would like to set it to t. */ |
| 13675 | Vx_no_window_manager = Qnil; |
| 13676 | |
| 13677 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
| 13678 | &Vx_pixel_size_width_font_regexp, |
| 13679 | "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\ |
| 13680 | \n\ |
| 13681 | Since Emacs gets width of a font matching with this regexp from\n\ |
| 13682 | PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\ |
| 13683 | such a font. This is especially effective for such large fonts as\n\ |
| 13684 | Chinese, Japanese, and Korean."); |
| 13685 | Vx_pixel_size_width_font_regexp = Qnil; |
| 13686 | |
| 13687 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
| 13688 | "Time after which cached images are removed from the cache.\n\ |
| 13689 | When an image has not been displayed this many seconds, remove it\n\ |
| 13690 | from the image cache. Value must be an integer or nil with nil\n\ |
| 13691 | meaning don't clear the cache."); |
| 13692 | Vimage_cache_eviction_delay = make_number (30 * 60); |
| 13693 | |
| 13694 | DEFVAR_LISP ("w32-bdf-filename-alist", |
| 13695 | &Vw32_bdf_filename_alist, |
| 13696 | "List of bdf fonts and their corresponding filenames."); |
| 13697 | Vw32_bdf_filename_alist = Qnil; |
| 13698 | |
| 13699 | DEFVAR_BOOL ("w32-strict-fontnames", |
| 13700 | &w32_strict_fontnames, |
| 13701 | "Non-nil means only use fonts that are exact matches for those requested.\n\ |
| 13702 | Default is nil, which allows old fontnames that are not XLFD compliant,\n\ |
| 13703 | and allows third-party CJK display to work by specifying false charset\n\ |
| 13704 | fields to trick Emacs into translating to Big5, SJIS etc.\n\ |
| 13705 | Setting this to t will prevent wrong fonts being selected when\n\ |
| 13706 | fontsets are automatically created."); |
| 13707 | w32_strict_fontnames = 0; |
| 13708 | |
| 13709 | DEFVAR_BOOL ("w32-strict-painting", |
| 13710 | &w32_strict_painting, |
| 13711 | "Non-nil means use strict rules for repainting frames.\n\ |
| 13712 | Set this to nil to get the old behaviour for repainting; this should\n\ |
| 13713 | only be necessary if the default setting causes problems."); |
| 13714 | w32_strict_painting = 1; |
| 13715 | |
| 13716 | DEFVAR_LISP ("w32-system-coding-system", |
| 13717 | &Vw32_system_coding_system, |
| 13718 | "Coding system used by Windows system functions, such as for font names."); |
| 13719 | Vw32_system_coding_system = Qnil; |
| 13720 | |
| 13721 | DEFVAR_LISP ("w32-charset-info-alist", |
| 13722 | &Vw32_charset_info_alist, |
| 13723 | "Alist linking Emacs character sets to Windows fonts\n\ |
| 13724 | and codepages. Each entry should be of the form:\n\ |
| 13725 | \n\ |
| 13726 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))\n\ |
| 13727 | \n\ |
| 13728 | where CHARSET_NAME is a string used in font names to identify the charset,\n\ |
| 13729 | WINDOWS_CHARSET is a symbol that can be one of:\n\ |
| 13730 | w32-charset-ansi, w32-charset-default, w32-charset-symbol,\n\ |
| 13731 | w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,\n\ |
| 13732 | w32-charset-chinesebig5, " |
| 13733 | #ifdef JOHAB_CHARSET |
| 13734 | "w32-charset-johab, w32-charset-hebrew,\n\ |
| 13735 | w32-charset-arabic, w32-charset-greek, w32-charset-turkish,\n\ |
| 13736 | w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,\n\ |
| 13737 | w32-charset-russian, w32-charset-mac, w32-charset-baltic,\n" |
| 13738 | #endif |
| 13739 | #ifdef UNICODE_CHARSET |
| 13740 | "w32-charset-unicode, " |
| 13741 | #endif |
| 13742 | "or w32-charset-oem.\n\ |
| 13743 | CODEPAGE should be an integer specifying the codepage that should be used\n\ |
| 13744 | to display the character set, t to do no translation and output as Unicode,\n\ |
| 13745 | or nil to do no translation and output as 8 bit (or multibyte on far-east\n\ |
| 13746 | versions of Windows) characters."); |
| 13747 | Vw32_charset_info_alist = Qnil; |
| 13748 | |
| 13749 | staticpro (&Qw32_charset_ansi); |
| 13750 | Qw32_charset_ansi = intern ("w32-charset-ansi"); |
| 13751 | staticpro (&Qw32_charset_symbol); |
| 13752 | Qw32_charset_symbol = intern ("w32-charset-symbol"); |
| 13753 | staticpro (&Qw32_charset_shiftjis); |
| 13754 | Qw32_charset_shiftjis = intern ("w32-charset-shiftjis"); |
| 13755 | staticpro (&Qw32_charset_hangeul); |
| 13756 | Qw32_charset_hangeul = intern ("w32-charset-hangeul"); |
| 13757 | staticpro (&Qw32_charset_chinesebig5); |
| 13758 | Qw32_charset_chinesebig5 = intern ("w32-charset-chinesebig5"); |
| 13759 | staticpro (&Qw32_charset_gb2312); |
| 13760 | Qw32_charset_gb2312 = intern ("w32-charset-gb2312"); |
| 13761 | staticpro (&Qw32_charset_oem); |
| 13762 | Qw32_charset_oem = intern ("w32-charset-oem"); |
| 13763 | |
| 13764 | #ifdef JOHAB_CHARSET |
| 13765 | { |
| 13766 | static int w32_extra_charsets_defined = 1; |
| 13767 | DEFVAR_BOOL ("w32-extra-charsets-defined", &w32_extra_charsets_defined, ""); |
| 13768 | |
| 13769 | staticpro (&Qw32_charset_johab); |
| 13770 | Qw32_charset_johab = intern ("w32-charset-johab"); |
| 13771 | staticpro (&Qw32_charset_easteurope); |
| 13772 | Qw32_charset_easteurope = intern ("w32-charset-easteurope"); |
| 13773 | staticpro (&Qw32_charset_turkish); |
| 13774 | Qw32_charset_turkish = intern ("w32-charset-turkish"); |
| 13775 | staticpro (&Qw32_charset_baltic); |
| 13776 | Qw32_charset_baltic = intern ("w32-charset-baltic"); |
| 13777 | staticpro (&Qw32_charset_russian); |
| 13778 | Qw32_charset_russian = intern ("w32-charset-russian"); |
| 13779 | staticpro (&Qw32_charset_arabic); |
| 13780 | Qw32_charset_arabic = intern ("w32-charset-arabic"); |
| 13781 | staticpro (&Qw32_charset_greek); |
| 13782 | Qw32_charset_greek = intern ("w32-charset-greek"); |
| 13783 | staticpro (&Qw32_charset_hebrew); |
| 13784 | Qw32_charset_hebrew = intern ("w32-charset-hebrew"); |
| 13785 | staticpro (&Qw32_charset_vietnamese); |
| 13786 | Qw32_charset_vietnamese = intern ("w32-charset-vietnamese"); |
| 13787 | staticpro (&Qw32_charset_thai); |
| 13788 | Qw32_charset_thai = intern ("w32-charset-thai"); |
| 13789 | staticpro (&Qw32_charset_mac); |
| 13790 | Qw32_charset_mac = intern ("w32-charset-mac"); |
| 13791 | } |
| 13792 | #endif |
| 13793 | |
| 13794 | #ifdef UNICODE_CHARSET |
| 13795 | { |
| 13796 | static int w32_unicode_charset_defined = 1; |
| 13797 | DEFVAR_BOOL ("w32-unicode-charset-defined", |
| 13798 | &w32_unicode_charset_defined, ""); |
| 13799 | |
| 13800 | staticpro (&Qw32_charset_unicode); |
| 13801 | Qw32_charset_unicode = intern ("w32-charset-unicode"); |
| 13802 | #endif |
| 13803 | |
| 13804 | defsubr (&Sx_get_resource); |
| 13805 | #if 0 /* TODO: Port to W32 */ |
| 13806 | defsubr (&Sx_change_window_property); |
| 13807 | defsubr (&Sx_delete_window_property); |
| 13808 | defsubr (&Sx_window_property); |
| 13809 | #endif |
| 13810 | defsubr (&Sxw_display_color_p); |
| 13811 | defsubr (&Sx_display_grayscale_p); |
| 13812 | defsubr (&Sxw_color_defined_p); |
| 13813 | defsubr (&Sxw_color_values); |
| 13814 | defsubr (&Sx_server_max_request_size); |
| 13815 | defsubr (&Sx_server_vendor); |
| 13816 | defsubr (&Sx_server_version); |
| 13817 | defsubr (&Sx_display_pixel_width); |
| 13818 | defsubr (&Sx_display_pixel_height); |
| 13819 | defsubr (&Sx_display_mm_width); |
| 13820 | defsubr (&Sx_display_mm_height); |
| 13821 | defsubr (&Sx_display_screens); |
| 13822 | defsubr (&Sx_display_planes); |
| 13823 | defsubr (&Sx_display_color_cells); |
| 13824 | defsubr (&Sx_display_visual_class); |
| 13825 | defsubr (&Sx_display_backing_store); |
| 13826 | defsubr (&Sx_display_save_under); |
| 13827 | defsubr (&Sx_parse_geometry); |
| 13828 | defsubr (&Sx_create_frame); |
| 13829 | defsubr (&Sx_open_connection); |
| 13830 | defsubr (&Sx_close_connection); |
| 13831 | defsubr (&Sx_display_list); |
| 13832 | defsubr (&Sx_synchronize); |
| 13833 | |
| 13834 | /* W32 specific functions */ |
| 13835 | |
| 13836 | defsubr (&Sw32_focus_frame); |
| 13837 | defsubr (&Sw32_select_font); |
| 13838 | defsubr (&Sw32_define_rgb_color); |
| 13839 | defsubr (&Sw32_default_color_map); |
| 13840 | defsubr (&Sw32_load_color_file); |
| 13841 | defsubr (&Sw32_send_sys_command); |
| 13842 | defsubr (&Sw32_shell_execute); |
| 13843 | defsubr (&Sw32_register_hot_key); |
| 13844 | defsubr (&Sw32_unregister_hot_key); |
| 13845 | defsubr (&Sw32_registered_hot_keys); |
| 13846 | defsubr (&Sw32_reconstruct_hot_key); |
| 13847 | defsubr (&Sw32_toggle_lock_key); |
| 13848 | defsubr (&Sw32_find_bdf_fonts); |
| 13849 | |
| 13850 | defsubr (&Sfile_system_info); |
| 13851 | |
| 13852 | /* Setting callback functions for fontset handler. */ |
| 13853 | get_font_info_func = w32_get_font_info; |
| 13854 | |
| 13855 | #if 0 /* This function pointer doesn't seem to be used anywhere. |
| 13856 | And the pointer assigned has the wrong type, anyway. */ |
| 13857 | list_fonts_func = w32_list_fonts; |
| 13858 | #endif |
| 13859 | |
| 13860 | load_font_func = w32_load_font; |
| 13861 | find_ccl_program_func = w32_find_ccl_program; |
| 13862 | query_font_func = w32_query_font; |
| 13863 | set_frame_fontset_func = x_set_font; |
| 13864 | check_window_system_func = check_w32; |
| 13865 | |
| 13866 | #if 0 /* TODO Image support for W32 */ |
| 13867 | /* Images. */ |
| 13868 | Qxbm = intern ("xbm"); |
| 13869 | staticpro (&Qxbm); |
| 13870 | QCtype = intern (":type"); |
| 13871 | staticpro (&QCtype); |
| 13872 | QCconversion = intern (":conversion"); |
| 13873 | staticpro (&QCconversion); |
| 13874 | QCheuristic_mask = intern (":heuristic-mask"); |
| 13875 | staticpro (&QCheuristic_mask); |
| 13876 | QCcolor_symbols = intern (":color-symbols"); |
| 13877 | staticpro (&QCcolor_symbols); |
| 13878 | QCascent = intern (":ascent"); |
| 13879 | staticpro (&QCascent); |
| 13880 | QCmargin = intern (":margin"); |
| 13881 | staticpro (&QCmargin); |
| 13882 | QCrelief = intern (":relief"); |
| 13883 | staticpro (&QCrelief); |
| 13884 | Qpostscript = intern ("postscript"); |
| 13885 | staticpro (&Qpostscript); |
| 13886 | QCloader = intern (":loader"); |
| 13887 | staticpro (&QCloader); |
| 13888 | QCbounding_box = intern (":bounding-box"); |
| 13889 | staticpro (&QCbounding_box); |
| 13890 | QCpt_width = intern (":pt-width"); |
| 13891 | staticpro (&QCpt_width); |
| 13892 | QCpt_height = intern (":pt-height"); |
| 13893 | staticpro (&QCpt_height); |
| 13894 | QCindex = intern (":index"); |
| 13895 | staticpro (&QCindex); |
| 13896 | Qpbm = intern ("pbm"); |
| 13897 | staticpro (&Qpbm); |
| 13898 | |
| 13899 | #if HAVE_XPM |
| 13900 | Qxpm = intern ("xpm"); |
| 13901 | staticpro (&Qxpm); |
| 13902 | #endif |
| 13903 | |
| 13904 | #if HAVE_JPEG |
| 13905 | Qjpeg = intern ("jpeg"); |
| 13906 | staticpro (&Qjpeg); |
| 13907 | #endif |
| 13908 | |
| 13909 | #if HAVE_TIFF |
| 13910 | Qtiff = intern ("tiff"); |
| 13911 | staticpro (&Qtiff); |
| 13912 | #endif |
| 13913 | |
| 13914 | #if HAVE_GIF |
| 13915 | Qgif = intern ("gif"); |
| 13916 | staticpro (&Qgif); |
| 13917 | #endif |
| 13918 | |
| 13919 | #if HAVE_PNG |
| 13920 | Qpng = intern ("png"); |
| 13921 | staticpro (&Qpng); |
| 13922 | #endif |
| 13923 | |
| 13924 | defsubr (&Sclear_image_cache); |
| 13925 | |
| 13926 | #if GLYPH_DEBUG |
| 13927 | defsubr (&Simagep); |
| 13928 | defsubr (&Slookup_image); |
| 13929 | #endif |
| 13930 | #endif /* TODO */ |
| 13931 | |
| 13932 | busy_cursor_atimer = NULL; |
| 13933 | busy_cursor_shown_p = 0; |
| 13934 | #ifdef TODO /* Tooltip support not complete. */ |
| 13935 | defsubr (&Sx_show_tip); |
| 13936 | defsubr (&Sx_hide_tip); |
| 13937 | #endif |
| 13938 | tip_timer = Qnil; |
| 13939 | staticpro (&tip_timer); |
| 13940 | tip_frame = Qnil; |
| 13941 | staticpro (&tip_frame); |
| 13942 | |
| 13943 | defsubr (&Sx_file_dialog); |
| 13944 | } |
| 13945 | |
| 13946 | |
| 13947 | void |
| 13948 | init_xfns () |
| 13949 | { |
| 13950 | image_types = NULL; |
| 13951 | Vimage_types = Qnil; |
| 13952 | |
| 13953 | #if 0 /* TODO : Image support for W32 */ |
| 13954 | define_image_type (&xbm_type); |
| 13955 | define_image_type (&gs_type); |
| 13956 | define_image_type (&pbm_type); |
| 13957 | |
| 13958 | #if HAVE_XPM |
| 13959 | define_image_type (&xpm_type); |
| 13960 | #endif |
| 13961 | |
| 13962 | #if HAVE_JPEG |
| 13963 | define_image_type (&jpeg_type); |
| 13964 | #endif |
| 13965 | |
| 13966 | #if HAVE_TIFF |
| 13967 | define_image_type (&tiff_type); |
| 13968 | #endif |
| 13969 | |
| 13970 | #if HAVE_GIF |
| 13971 | define_image_type (&gif_type); |
| 13972 | #endif |
| 13973 | |
| 13974 | #if HAVE_PNG |
| 13975 | define_image_type (&png_type); |
| 13976 | #endif |
| 13977 | #endif /* TODO */ |
| 13978 | } |
| 13979 | |
| 13980 | #undef abort |
| 13981 | |
| 13982 | void |
| 13983 | w32_abort() |
| 13984 | { |
| 13985 | int button; |
| 13986 | button = MessageBox (NULL, |
| 13987 | "A fatal error has occurred!\n\n" |
| 13988 | "Select Abort to exit, Retry to debug, Ignore to continue", |
| 13989 | "Emacs Abort Dialog", |
| 13990 | MB_ICONEXCLAMATION | MB_TASKMODAL |
| 13991 | | MB_SETFOREGROUND | MB_ABORTRETRYIGNORE); |
| 13992 | switch (button) |
| 13993 | { |
| 13994 | case IDRETRY: |
| 13995 | DebugBreak (); |
| 13996 | break; |
| 13997 | case IDIGNORE: |
| 13998 | break; |
| 13999 | case IDABORT: |
| 14000 | default: |
| 14001 | abort (); |
| 14002 | break; |
| 14003 | } |
| 14004 | } |
| 14005 | |
| 14006 | /* For convenience when debugging. */ |
| 14007 | int |
| 14008 | w32_last_error() |
| 14009 | { |
| 14010 | return GetLastError (); |
| 14011 | } |