| 1 | /* Functions for the X window system. |
| 2 | Copyright (C) 1989, 92, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001 |
| 3 | Free Software Foundation. |
| 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 | #include <config.h> |
| 23 | #include <signal.h> |
| 24 | #include <stdio.h> |
| 25 | #include <math.h> |
| 26 | |
| 27 | /* This makes the fields of a Display accessible, in Xlib header files. */ |
| 28 | |
| 29 | #define XLIB_ILLEGAL_ACCESS |
| 30 | |
| 31 | #include "lisp.h" |
| 32 | #include "xterm.h" |
| 33 | #include "frame.h" |
| 34 | #include "window.h" |
| 35 | #include "buffer.h" |
| 36 | #include "intervals.h" |
| 37 | #include "dispextern.h" |
| 38 | #include "keyboard.h" |
| 39 | #include "blockinput.h" |
| 40 | #include <epaths.h> |
| 41 | #include "charset.h" |
| 42 | #include "coding.h" |
| 43 | #include "fontset.h" |
| 44 | #include "systime.h" |
| 45 | #include "termhooks.h" |
| 46 | #include "atimer.h" |
| 47 | |
| 48 | #ifdef HAVE_X_WINDOWS |
| 49 | |
| 50 | #include <ctype.h> |
| 51 | #include <sys/types.h> |
| 52 | #include <sys/stat.h> |
| 53 | |
| 54 | #ifndef VMS |
| 55 | #if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work. */ |
| 56 | #include "bitmaps/gray.xbm" |
| 57 | #else |
| 58 | #include <X11/bitmaps/gray> |
| 59 | #endif |
| 60 | #else |
| 61 | #include "[.bitmaps]gray.xbm" |
| 62 | #endif |
| 63 | |
| 64 | #ifdef USE_X_TOOLKIT |
| 65 | #include <X11/Shell.h> |
| 66 | |
| 67 | #ifndef USE_MOTIF |
| 68 | #include <X11/Xaw/Paned.h> |
| 69 | #include <X11/Xaw/Label.h> |
| 70 | #endif /* USE_MOTIF */ |
| 71 | |
| 72 | #ifdef USG |
| 73 | #undef USG /* ####KLUDGE for Solaris 2.2 and up */ |
| 74 | #include <X11/Xos.h> |
| 75 | #define USG |
| 76 | #else |
| 77 | #include <X11/Xos.h> |
| 78 | #endif |
| 79 | |
| 80 | #include "widget.h" |
| 81 | |
| 82 | #include "../lwlib/lwlib.h" |
| 83 | |
| 84 | #ifdef USE_MOTIF |
| 85 | #include <Xm/Xm.h> |
| 86 | #include <Xm/DialogS.h> |
| 87 | #include <Xm/FileSB.h> |
| 88 | #endif |
| 89 | |
| 90 | /* Do the EDITRES protocol if running X11R5 |
| 91 | Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */ |
| 92 | |
| 93 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
| 94 | #define HACK_EDITRES |
| 95 | extern void _XEditResCheckMessages (); |
| 96 | #endif /* R5 + Athena */ |
| 97 | |
| 98 | /* Unique id counter for widgets created by the Lucid Widget Library. */ |
| 99 | |
| 100 | extern LWLIB_ID widget_id_tick; |
| 101 | |
| 102 | #ifdef USE_LUCID |
| 103 | /* This is part of a kludge--see lwlib/xlwmenu.c. */ |
| 104 | extern XFontStruct *xlwmenu_default_font; |
| 105 | #endif |
| 106 | |
| 107 | extern void free_frame_menubar (); |
| 108 | extern double atof (); |
| 109 | |
| 110 | #ifdef USE_MOTIF |
| 111 | |
| 112 | /* LessTif/Motif version info. */ |
| 113 | |
| 114 | static Lisp_Object Vmotif_version_string; |
| 115 | |
| 116 | #endif /* USE_MOTIF */ |
| 117 | |
| 118 | #endif /* USE_X_TOOLKIT */ |
| 119 | |
| 120 | #ifdef HAVE_X11R4 |
| 121 | #define MAXREQUEST(dpy) (XMaxRequestSize (dpy)) |
| 122 | #else |
| 123 | #define MAXREQUEST(dpy) ((dpy)->max_request_size) |
| 124 | #endif |
| 125 | |
| 126 | /* The gray bitmap `bitmaps/gray'. This is done because xterm.c uses |
| 127 | it, and including `bitmaps/gray' more than once is a problem when |
| 128 | config.h defines `static' as an empty replacement string. */ |
| 129 | |
| 130 | int gray_bitmap_width = gray_width; |
| 131 | int gray_bitmap_height = gray_height; |
| 132 | char *gray_bitmap_bits = gray_bits; |
| 133 | |
| 134 | /* The name we're using in resource queries. Most often "emacs". */ |
| 135 | |
| 136 | Lisp_Object Vx_resource_name; |
| 137 | |
| 138 | /* The application class we're using in resource queries. |
| 139 | Normally "Emacs". */ |
| 140 | |
| 141 | Lisp_Object Vx_resource_class; |
| 142 | |
| 143 | /* Non-zero means we're allowed to display an hourglass cursor. */ |
| 144 | |
| 145 | int display_hourglass_p; |
| 146 | |
| 147 | /* The background and shape of the mouse pointer, and shape when not |
| 148 | over text or in the modeline. */ |
| 149 | |
| 150 | Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; |
| 151 | Lisp_Object Vx_hourglass_pointer_shape; |
| 152 | |
| 153 | /* The shape when over mouse-sensitive text. */ |
| 154 | |
| 155 | Lisp_Object Vx_sensitive_text_pointer_shape; |
| 156 | |
| 157 | /* If non-nil, the pointer shape to indicate that windows can be |
| 158 | dragged horizontally. */ |
| 159 | |
| 160 | Lisp_Object Vx_window_horizontal_drag_shape; |
| 161 | |
| 162 | /* Color of chars displayed in cursor box. */ |
| 163 | |
| 164 | Lisp_Object Vx_cursor_fore_pixel; |
| 165 | |
| 166 | /* Nonzero if using X. */ |
| 167 | |
| 168 | static int x_in_use; |
| 169 | |
| 170 | /* Non nil if no window manager is in use. */ |
| 171 | |
| 172 | Lisp_Object Vx_no_window_manager; |
| 173 | |
| 174 | /* Search path for bitmap files. */ |
| 175 | |
| 176 | Lisp_Object Vx_bitmap_file_path; |
| 177 | |
| 178 | /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ |
| 179 | |
| 180 | Lisp_Object Vx_pixel_size_width_font_regexp; |
| 181 | |
| 182 | Lisp_Object Qauto_raise; |
| 183 | Lisp_Object Qauto_lower; |
| 184 | Lisp_Object Qbar; |
| 185 | Lisp_Object Qborder_color; |
| 186 | Lisp_Object Qborder_width; |
| 187 | Lisp_Object Qbox; |
| 188 | Lisp_Object Qcursor_color; |
| 189 | Lisp_Object Qcursor_type; |
| 190 | Lisp_Object Qgeometry; |
| 191 | Lisp_Object Qicon_left; |
| 192 | Lisp_Object Qicon_top; |
| 193 | Lisp_Object Qicon_type; |
| 194 | Lisp_Object Qicon_name; |
| 195 | Lisp_Object Qinternal_border_width; |
| 196 | Lisp_Object Qleft; |
| 197 | Lisp_Object Qright; |
| 198 | Lisp_Object Qmouse_color; |
| 199 | Lisp_Object Qnone; |
| 200 | Lisp_Object Qouter_window_id; |
| 201 | Lisp_Object Qparent_id; |
| 202 | Lisp_Object Qscroll_bar_width; |
| 203 | Lisp_Object Qsuppress_icon; |
| 204 | extern Lisp_Object Qtop; |
| 205 | Lisp_Object Qundefined_color; |
| 206 | Lisp_Object Qvertical_scroll_bars; |
| 207 | Lisp_Object Qvisibility; |
| 208 | Lisp_Object Qwindow_id; |
| 209 | Lisp_Object Qx_frame_parameter; |
| 210 | Lisp_Object Qx_resource_name; |
| 211 | Lisp_Object Quser_position; |
| 212 | Lisp_Object Quser_size; |
| 213 | extern Lisp_Object Qdisplay; |
| 214 | Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background; |
| 215 | Lisp_Object Qscreen_gamma, Qline_spacing, Qcenter; |
| 216 | Lisp_Object Qcompound_text, Qcancel_timer; |
| 217 | Lisp_Object Qwait_for_wm; |
| 218 | |
| 219 | /* The below are defined in frame.c. */ |
| 220 | |
| 221 | extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth; |
| 222 | extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle; |
| 223 | extern Lisp_Object Qtool_bar_lines; |
| 224 | |
| 225 | extern Lisp_Object Vwindow_system_version; |
| 226 | |
| 227 | Lisp_Object Qface_set_after_frame_default; |
| 228 | |
| 229 | #if GLYPH_DEBUG |
| 230 | int image_cache_refcount, dpyinfo_refcount; |
| 231 | #endif |
| 232 | |
| 233 | |
| 234 | \f |
| 235 | /* Error if we are not connected to X. */ |
| 236 | |
| 237 | void |
| 238 | check_x () |
| 239 | { |
| 240 | if (! x_in_use) |
| 241 | error ("X windows are not in use or not initialized"); |
| 242 | } |
| 243 | |
| 244 | /* Nonzero if we can use mouse menus. |
| 245 | You should not call this unless HAVE_MENUS is defined. */ |
| 246 | |
| 247 | int |
| 248 | have_menus_p () |
| 249 | { |
| 250 | return x_in_use; |
| 251 | } |
| 252 | |
| 253 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame |
| 254 | and checking validity for X. */ |
| 255 | |
| 256 | FRAME_PTR |
| 257 | check_x_frame (frame) |
| 258 | Lisp_Object frame; |
| 259 | { |
| 260 | FRAME_PTR f; |
| 261 | |
| 262 | if (NILP (frame)) |
| 263 | frame = selected_frame; |
| 264 | CHECK_LIVE_FRAME (frame, 0); |
| 265 | f = XFRAME (frame); |
| 266 | if (! FRAME_X_P (f)) |
| 267 | error ("Non-X frame used"); |
| 268 | return f; |
| 269 | } |
| 270 | |
| 271 | /* Let the user specify an X display with a frame. |
| 272 | nil stands for the selected frame--or, if that is not an X frame, |
| 273 | the first X display on the list. */ |
| 274 | |
| 275 | static struct x_display_info * |
| 276 | check_x_display_info (frame) |
| 277 | Lisp_Object frame; |
| 278 | { |
| 279 | struct x_display_info *dpyinfo = NULL; |
| 280 | |
| 281 | if (NILP (frame)) |
| 282 | { |
| 283 | struct frame *sf = XFRAME (selected_frame); |
| 284 | |
| 285 | if (FRAME_X_P (sf) && FRAME_LIVE_P (sf)) |
| 286 | dpyinfo = FRAME_X_DISPLAY_INFO (sf); |
| 287 | else if (x_display_list != 0) |
| 288 | dpyinfo = x_display_list; |
| 289 | else |
| 290 | error ("X windows are not in use or not initialized"); |
| 291 | } |
| 292 | else if (STRINGP (frame)) |
| 293 | dpyinfo = x_display_info_for_name (frame); |
| 294 | else |
| 295 | { |
| 296 | FRAME_PTR f; |
| 297 | |
| 298 | CHECK_LIVE_FRAME (frame, 0); |
| 299 | f = XFRAME (frame); |
| 300 | if (! FRAME_X_P (f)) |
| 301 | error ("Non-X frame used"); |
| 302 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 303 | } |
| 304 | |
| 305 | return dpyinfo; |
| 306 | } |
| 307 | |
| 308 | \f |
| 309 | /* Return the Emacs frame-object corresponding to an X window. |
| 310 | It could be the frame's main window or an icon window. */ |
| 311 | |
| 312 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
| 313 | |
| 314 | struct frame * |
| 315 | x_window_to_frame (dpyinfo, wdesc) |
| 316 | struct x_display_info *dpyinfo; |
| 317 | int wdesc; |
| 318 | { |
| 319 | Lisp_Object tail, frame; |
| 320 | struct frame *f; |
| 321 | |
| 322 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
| 323 | { |
| 324 | frame = XCAR (tail); |
| 325 | if (!GC_FRAMEP (frame)) |
| 326 | continue; |
| 327 | f = XFRAME (frame); |
| 328 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
| 329 | continue; |
| 330 | if (f->output_data.x->hourglass_window == wdesc) |
| 331 | return f; |
| 332 | #ifdef USE_X_TOOLKIT |
| 333 | if ((f->output_data.x->edit_widget |
| 334 | && XtWindow (f->output_data.x->edit_widget) == wdesc) |
| 335 | /* A tooltip frame? */ |
| 336 | || (!f->output_data.x->edit_widget |
| 337 | && FRAME_X_WINDOW (f) == wdesc) |
| 338 | || f->output_data.x->icon_desc == wdesc) |
| 339 | return f; |
| 340 | #else /* not USE_X_TOOLKIT */ |
| 341 | if (FRAME_X_WINDOW (f) == wdesc |
| 342 | || f->output_data.x->icon_desc == wdesc) |
| 343 | return f; |
| 344 | #endif /* not USE_X_TOOLKIT */ |
| 345 | } |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | #ifdef USE_X_TOOLKIT |
| 350 | /* Like x_window_to_frame but also compares the window with the widget's |
| 351 | windows. */ |
| 352 | |
| 353 | struct frame * |
| 354 | x_any_window_to_frame (dpyinfo, wdesc) |
| 355 | struct x_display_info *dpyinfo; |
| 356 | int wdesc; |
| 357 | { |
| 358 | Lisp_Object tail, frame; |
| 359 | struct frame *f, *found; |
| 360 | struct x_output *x; |
| 361 | |
| 362 | found = NULL; |
| 363 | for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) |
| 364 | { |
| 365 | frame = XCAR (tail); |
| 366 | if (!GC_FRAMEP (frame)) |
| 367 | continue; |
| 368 | |
| 369 | f = XFRAME (frame); |
| 370 | if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo) |
| 371 | { |
| 372 | /* This frame matches if the window is any of its widgets. */ |
| 373 | x = f->output_data.x; |
| 374 | if (x->hourglass_window == wdesc) |
| 375 | found = f; |
| 376 | else if (x->widget) |
| 377 | { |
| 378 | if (wdesc == XtWindow (x->widget) |
| 379 | || wdesc == XtWindow (x->column_widget) |
| 380 | || wdesc == XtWindow (x->edit_widget)) |
| 381 | found = f; |
| 382 | /* Match if the window is this frame's menubar. */ |
| 383 | else if (lw_window_is_in_menubar (wdesc, x->menubar_widget)) |
| 384 | found = f; |
| 385 | } |
| 386 | else if (FRAME_X_WINDOW (f) == wdesc) |
| 387 | /* A tooltip frame. */ |
| 388 | found = f; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | return found; |
| 393 | } |
| 394 | |
| 395 | /* Likewise, but exclude the menu bar widget. */ |
| 396 | |
| 397 | struct frame * |
| 398 | x_non_menubar_window_to_frame (dpyinfo, wdesc) |
| 399 | struct x_display_info *dpyinfo; |
| 400 | int wdesc; |
| 401 | { |
| 402 | Lisp_Object tail, frame; |
| 403 | struct frame *f; |
| 404 | struct x_output *x; |
| 405 | |
| 406 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
| 407 | { |
| 408 | frame = XCAR (tail); |
| 409 | if (!GC_FRAMEP (frame)) |
| 410 | continue; |
| 411 | f = XFRAME (frame); |
| 412 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
| 413 | continue; |
| 414 | x = f->output_data.x; |
| 415 | /* This frame matches if the window is any of its widgets. */ |
| 416 | if (x->hourglass_window == wdesc) |
| 417 | return f; |
| 418 | else if (x->widget) |
| 419 | { |
| 420 | if (wdesc == XtWindow (x->widget) |
| 421 | || wdesc == XtWindow (x->column_widget) |
| 422 | || wdesc == XtWindow (x->edit_widget)) |
| 423 | return f; |
| 424 | } |
| 425 | else if (FRAME_X_WINDOW (f) == wdesc) |
| 426 | /* A tooltip frame. */ |
| 427 | return f; |
| 428 | } |
| 429 | return 0; |
| 430 | } |
| 431 | |
| 432 | /* Likewise, but consider only the menu bar widget. */ |
| 433 | |
| 434 | struct frame * |
| 435 | x_menubar_window_to_frame (dpyinfo, wdesc) |
| 436 | struct x_display_info *dpyinfo; |
| 437 | int wdesc; |
| 438 | { |
| 439 | Lisp_Object tail, frame; |
| 440 | struct frame *f; |
| 441 | struct x_output *x; |
| 442 | |
| 443 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
| 444 | { |
| 445 | frame = XCAR (tail); |
| 446 | if (!GC_FRAMEP (frame)) |
| 447 | continue; |
| 448 | f = XFRAME (frame); |
| 449 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
| 450 | continue; |
| 451 | x = f->output_data.x; |
| 452 | /* Match if the window is this frame's menubar. */ |
| 453 | if (x->menubar_widget |
| 454 | && lw_window_is_in_menubar (wdesc, x->menubar_widget)) |
| 455 | return f; |
| 456 | } |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | /* Return the frame whose principal (outermost) window is WDESC. |
| 461 | If WDESC is some other (smaller) window, we return 0. */ |
| 462 | |
| 463 | struct frame * |
| 464 | x_top_window_to_frame (dpyinfo, wdesc) |
| 465 | struct x_display_info *dpyinfo; |
| 466 | int wdesc; |
| 467 | { |
| 468 | Lisp_Object tail, frame; |
| 469 | struct frame *f; |
| 470 | struct x_output *x; |
| 471 | |
| 472 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
| 473 | { |
| 474 | frame = XCAR (tail); |
| 475 | if (!GC_FRAMEP (frame)) |
| 476 | continue; |
| 477 | f = XFRAME (frame); |
| 478 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
| 479 | continue; |
| 480 | x = f->output_data.x; |
| 481 | |
| 482 | if (x->widget) |
| 483 | { |
| 484 | /* This frame matches if the window is its topmost widget. */ |
| 485 | if (wdesc == XtWindow (x->widget)) |
| 486 | return f; |
| 487 | #if 0 /* I don't know why it did this, |
| 488 | but it seems logically wrong, |
| 489 | and it causes trouble for MapNotify events. */ |
| 490 | /* Match if the window is this frame's menubar. */ |
| 491 | if (x->menubar_widget |
| 492 | && wdesc == XtWindow (x->menubar_widget)) |
| 493 | return f; |
| 494 | #endif |
| 495 | } |
| 496 | else if (FRAME_X_WINDOW (f) == wdesc) |
| 497 | /* Tooltip frame. */ |
| 498 | return f; |
| 499 | } |
| 500 | return 0; |
| 501 | } |
| 502 | #endif /* USE_X_TOOLKIT */ |
| 503 | |
| 504 | \f |
| 505 | |
| 506 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap |
| 507 | id, which is just an int that this section returns. Bitmaps are |
| 508 | reference counted so they can be shared among frames. |
| 509 | |
| 510 | Bitmap indices are guaranteed to be > 0, so a negative number can |
| 511 | be used to indicate no bitmap. |
| 512 | |
| 513 | If you use x_create_bitmap_from_data, then you must keep track of |
| 514 | the bitmaps yourself. That is, creating a bitmap from the same |
| 515 | data more than once will not be caught. */ |
| 516 | |
| 517 | |
| 518 | /* Functions to access the contents of a bitmap, given an id. */ |
| 519 | |
| 520 | int |
| 521 | x_bitmap_height (f, id) |
| 522 | FRAME_PTR f; |
| 523 | int id; |
| 524 | { |
| 525 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
| 526 | } |
| 527 | |
| 528 | int |
| 529 | x_bitmap_width (f, id) |
| 530 | FRAME_PTR f; |
| 531 | int id; |
| 532 | { |
| 533 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
| 534 | } |
| 535 | |
| 536 | int |
| 537 | x_bitmap_pixmap (f, id) |
| 538 | FRAME_PTR f; |
| 539 | int id; |
| 540 | { |
| 541 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
| 542 | } |
| 543 | |
| 544 | |
| 545 | /* Allocate a new bitmap record. Returns index of new record. */ |
| 546 | |
| 547 | static int |
| 548 | x_allocate_bitmap_record (f) |
| 549 | FRAME_PTR f; |
| 550 | { |
| 551 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 552 | int i; |
| 553 | |
| 554 | if (dpyinfo->bitmaps == NULL) |
| 555 | { |
| 556 | dpyinfo->bitmaps_size = 10; |
| 557 | dpyinfo->bitmaps |
| 558 | = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); |
| 559 | dpyinfo->bitmaps_last = 1; |
| 560 | return 1; |
| 561 | } |
| 562 | |
| 563 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
| 564 | return ++dpyinfo->bitmaps_last; |
| 565 | |
| 566 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
| 567 | if (dpyinfo->bitmaps[i].refcount == 0) |
| 568 | return i + 1; |
| 569 | |
| 570 | dpyinfo->bitmaps_size *= 2; |
| 571 | dpyinfo->bitmaps |
| 572 | = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, |
| 573 | dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); |
| 574 | return ++dpyinfo->bitmaps_last; |
| 575 | } |
| 576 | |
| 577 | /* Add one reference to the reference count of the bitmap with id ID. */ |
| 578 | |
| 579 | void |
| 580 | x_reference_bitmap (f, id) |
| 581 | FRAME_PTR f; |
| 582 | int id; |
| 583 | { |
| 584 | ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
| 585 | } |
| 586 | |
| 587 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ |
| 588 | |
| 589 | int |
| 590 | x_create_bitmap_from_data (f, bits, width, height) |
| 591 | struct frame *f; |
| 592 | char *bits; |
| 593 | unsigned int width, height; |
| 594 | { |
| 595 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 596 | Pixmap bitmap; |
| 597 | int id; |
| 598 | |
| 599 | bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 600 | bits, width, height); |
| 601 | |
| 602 | if (! bitmap) |
| 603 | return -1; |
| 604 | |
| 605 | id = x_allocate_bitmap_record (f); |
| 606 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; |
| 607 | dpyinfo->bitmaps[id - 1].file = NULL; |
| 608 | dpyinfo->bitmaps[id - 1].refcount = 1; |
| 609 | dpyinfo->bitmaps[id - 1].depth = 1; |
| 610 | dpyinfo->bitmaps[id - 1].height = height; |
| 611 | dpyinfo->bitmaps[id - 1].width = width; |
| 612 | |
| 613 | return id; |
| 614 | } |
| 615 | |
| 616 | /* Create bitmap from file FILE for frame F. */ |
| 617 | |
| 618 | int |
| 619 | x_create_bitmap_from_file (f, file) |
| 620 | struct frame *f; |
| 621 | Lisp_Object file; |
| 622 | { |
| 623 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 624 | unsigned int width, height; |
| 625 | Pixmap bitmap; |
| 626 | int xhot, yhot, result, id; |
| 627 | Lisp_Object found; |
| 628 | int fd; |
| 629 | char *filename; |
| 630 | |
| 631 | /* Look for an existing bitmap with the same name. */ |
| 632 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
| 633 | { |
| 634 | if (dpyinfo->bitmaps[id].refcount |
| 635 | && dpyinfo->bitmaps[id].file |
| 636 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data)) |
| 637 | { |
| 638 | ++dpyinfo->bitmaps[id].refcount; |
| 639 | return id + 1; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | /* Search bitmap-file-path for the file, if appropriate. */ |
| 644 | fd = openp (Vx_bitmap_file_path, file, Qnil, &found, 0); |
| 645 | if (fd < 0) |
| 646 | return -1; |
| 647 | emacs_close (fd); |
| 648 | |
| 649 | filename = (char *) XSTRING (found)->data; |
| 650 | |
| 651 | result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 652 | filename, &width, &height, &bitmap, &xhot, &yhot); |
| 653 | if (result != BitmapSuccess) |
| 654 | return -1; |
| 655 | |
| 656 | id = x_allocate_bitmap_record (f); |
| 657 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; |
| 658 | dpyinfo->bitmaps[id - 1].refcount = 1; |
| 659 | dpyinfo->bitmaps[id - 1].file |
| 660 | = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1); |
| 661 | dpyinfo->bitmaps[id - 1].depth = 1; |
| 662 | dpyinfo->bitmaps[id - 1].height = height; |
| 663 | dpyinfo->bitmaps[id - 1].width = width; |
| 664 | strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data); |
| 665 | |
| 666 | return id; |
| 667 | } |
| 668 | |
| 669 | /* Remove reference to bitmap with id number ID. */ |
| 670 | |
| 671 | void |
| 672 | x_destroy_bitmap (f, id) |
| 673 | FRAME_PTR f; |
| 674 | int id; |
| 675 | { |
| 676 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 677 | |
| 678 | if (id > 0) |
| 679 | { |
| 680 | --dpyinfo->bitmaps[id - 1].refcount; |
| 681 | if (dpyinfo->bitmaps[id - 1].refcount == 0) |
| 682 | { |
| 683 | BLOCK_INPUT; |
| 684 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); |
| 685 | if (dpyinfo->bitmaps[id - 1].file) |
| 686 | { |
| 687 | xfree (dpyinfo->bitmaps[id - 1].file); |
| 688 | dpyinfo->bitmaps[id - 1].file = NULL; |
| 689 | } |
| 690 | UNBLOCK_INPUT; |
| 691 | } |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
| 696 | |
| 697 | static void |
| 698 | x_destroy_all_bitmaps (dpyinfo) |
| 699 | struct x_display_info *dpyinfo; |
| 700 | { |
| 701 | int i; |
| 702 | for (i = 0; i < dpyinfo->bitmaps_last; i++) |
| 703 | if (dpyinfo->bitmaps[i].refcount > 0) |
| 704 | { |
| 705 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); |
| 706 | if (dpyinfo->bitmaps[i].file) |
| 707 | xfree (dpyinfo->bitmaps[i].file); |
| 708 | } |
| 709 | dpyinfo->bitmaps_last = 0; |
| 710 | } |
| 711 | \f |
| 712 | /* Connect the frame-parameter names for X frames |
| 713 | to the ways of passing the parameter values to the window system. |
| 714 | |
| 715 | The name of a parameter, as a Lisp symbol, |
| 716 | has an `x-frame-parameter' property which is an integer in Lisp |
| 717 | that is an index in this table. */ |
| 718 | |
| 719 | struct x_frame_parm_table |
| 720 | { |
| 721 | char *name; |
| 722 | void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 723 | }; |
| 724 | |
| 725 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
| 726 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); |
| 727 | static void x_change_window_heights P_ ((Lisp_Object, int)); |
| 728 | static void x_disable_image P_ ((struct frame *, struct image *)); |
| 729 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 730 | static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 731 | static void x_set_wait_for_wm P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 732 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 733 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 734 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 735 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 736 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 737 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 738 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 739 | void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 740 | void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 741 | void x_set_internal_border_width P_ ((struct frame *, Lisp_Object, |
| 742 | Lisp_Object)); |
| 743 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 744 | void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 745 | void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 746 | void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object, |
| 747 | Lisp_Object)); |
| 748 | void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 749 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 750 | void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 751 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 752 | void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 753 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 754 | void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object, |
| 755 | Lisp_Object)); |
| 756 | void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object, |
| 757 | Lisp_Object)); |
| 758 | static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, |
| 759 | Lisp_Object, |
| 760 | Lisp_Object, |
| 761 | char *, char *, |
| 762 | int)); |
| 763 | static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 764 | static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, |
| 765 | Lisp_Object)); |
| 766 | static void init_color_table P_ ((void)); |
| 767 | static void free_color_table P_ ((void)); |
| 768 | static unsigned long *colors_in_color_table P_ ((int *n)); |
| 769 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); |
| 770 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); |
| 771 | |
| 772 | |
| 773 | |
| 774 | static struct x_frame_parm_table x_frame_parms[] = |
| 775 | { |
| 776 | "auto-raise", x_set_autoraise, |
| 777 | "auto-lower", x_set_autolower, |
| 778 | "background-color", x_set_background_color, |
| 779 | "border-color", x_set_border_color, |
| 780 | "border-width", x_set_border_width, |
| 781 | "cursor-color", x_set_cursor_color, |
| 782 | "cursor-type", x_set_cursor_type, |
| 783 | "font", x_set_font, |
| 784 | "foreground-color", x_set_foreground_color, |
| 785 | "icon-name", x_set_icon_name, |
| 786 | "icon-type", x_set_icon_type, |
| 787 | "internal-border-width", x_set_internal_border_width, |
| 788 | "menu-bar-lines", x_set_menu_bar_lines, |
| 789 | "mouse-color", x_set_mouse_color, |
| 790 | "name", x_explicitly_set_name, |
| 791 | "scroll-bar-width", x_set_scroll_bar_width, |
| 792 | "title", x_set_title, |
| 793 | "unsplittable", x_set_unsplittable, |
| 794 | "vertical-scroll-bars", x_set_vertical_scroll_bars, |
| 795 | "visibility", x_set_visibility, |
| 796 | "tool-bar-lines", x_set_tool_bar_lines, |
| 797 | "scroll-bar-foreground", x_set_scroll_bar_foreground, |
| 798 | "scroll-bar-background", x_set_scroll_bar_background, |
| 799 | "screen-gamma", x_set_screen_gamma, |
| 800 | "line-spacing", x_set_line_spacing, |
| 801 | "wait-for-wm", x_set_wait_for_wm |
| 802 | }; |
| 803 | |
| 804 | /* Attach the `x-frame-parameter' properties to |
| 805 | the Lisp symbol names of parameters relevant to X. */ |
| 806 | |
| 807 | void |
| 808 | init_x_parm_symbols () |
| 809 | { |
| 810 | int i; |
| 811 | |
| 812 | for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++) |
| 813 | Fput (intern (x_frame_parms[i].name), Qx_frame_parameter, |
| 814 | make_number (i)); |
| 815 | } |
| 816 | \f |
| 817 | /* Change the parameters of frame F as specified by ALIST. |
| 818 | If a parameter is not specially recognized, do nothing special; |
| 819 | otherwise call the `x_set_...' function for that parameter. |
| 820 | Except for certain geometry properties, always call store_frame_param |
| 821 | to store the new value in the parameter alist. */ |
| 822 | |
| 823 | void |
| 824 | x_set_frame_parameters (f, alist) |
| 825 | FRAME_PTR f; |
| 826 | Lisp_Object alist; |
| 827 | { |
| 828 | Lisp_Object tail; |
| 829 | |
| 830 | /* If both of these parameters are present, it's more efficient to |
| 831 | set them both at once. So we wait until we've looked at the |
| 832 | entire list before we set them. */ |
| 833 | int width, height; |
| 834 | |
| 835 | /* Same here. */ |
| 836 | Lisp_Object left, top; |
| 837 | |
| 838 | /* Same with these. */ |
| 839 | Lisp_Object icon_left, icon_top; |
| 840 | |
| 841 | /* Record in these vectors all the parms specified. */ |
| 842 | Lisp_Object *parms; |
| 843 | Lisp_Object *values; |
| 844 | int i, p; |
| 845 | int left_no_change = 0, top_no_change = 0; |
| 846 | int icon_left_no_change = 0, icon_top_no_change = 0; |
| 847 | |
| 848 | struct gcpro gcpro1, gcpro2; |
| 849 | |
| 850 | i = 0; |
| 851 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
| 852 | i++; |
| 853 | |
| 854 | parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); |
| 855 | values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); |
| 856 | |
| 857 | /* Extract parm names and values into those vectors. */ |
| 858 | |
| 859 | i = 0; |
| 860 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
| 861 | { |
| 862 | Lisp_Object elt; |
| 863 | |
| 864 | elt = Fcar (tail); |
| 865 | parms[i] = Fcar (elt); |
| 866 | values[i] = Fcdr (elt); |
| 867 | i++; |
| 868 | } |
| 869 | /* TAIL and ALIST are not used again below here. */ |
| 870 | alist = tail = Qnil; |
| 871 | |
| 872 | GCPRO2 (*parms, *values); |
| 873 | gcpro1.nvars = i; |
| 874 | gcpro2.nvars = i; |
| 875 | |
| 876 | /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP, |
| 877 | because their values appear in VALUES and strings are not valid. */ |
| 878 | top = left = Qunbound; |
| 879 | icon_left = icon_top = Qunbound; |
| 880 | |
| 881 | /* Provide default values for HEIGHT and WIDTH. */ |
| 882 | if (FRAME_NEW_WIDTH (f)) |
| 883 | width = FRAME_NEW_WIDTH (f); |
| 884 | else |
| 885 | width = FRAME_WIDTH (f); |
| 886 | |
| 887 | if (FRAME_NEW_HEIGHT (f)) |
| 888 | height = FRAME_NEW_HEIGHT (f); |
| 889 | else |
| 890 | height = FRAME_HEIGHT (f); |
| 891 | |
| 892 | /* Process foreground_color and background_color before anything else. |
| 893 | They are independent of other properties, but other properties (e.g., |
| 894 | cursor_color) are dependent upon them. */ |
| 895 | for (p = 0; p < i; p++) |
| 896 | { |
| 897 | Lisp_Object prop, val; |
| 898 | |
| 899 | prop = parms[p]; |
| 900 | val = values[p]; |
| 901 | if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
| 902 | { |
| 903 | register Lisp_Object param_index, old_value; |
| 904 | |
| 905 | param_index = Fget (prop, Qx_frame_parameter); |
| 906 | old_value = get_frame_param (f, prop); |
| 907 | store_frame_param (f, prop, val); |
| 908 | if (NATNUMP (param_index) |
| 909 | && (XFASTINT (param_index) |
| 910 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
| 911 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); |
| 912 | } |
| 913 | } |
| 914 | |
| 915 | /* Now process them in reverse of specified order. */ |
| 916 | for (i--; i >= 0; i--) |
| 917 | { |
| 918 | Lisp_Object prop, val; |
| 919 | |
| 920 | prop = parms[i]; |
| 921 | val = values[i]; |
| 922 | |
| 923 | if (EQ (prop, Qwidth) && NUMBERP (val)) |
| 924 | width = XFASTINT (val); |
| 925 | else if (EQ (prop, Qheight) && NUMBERP (val)) |
| 926 | height = XFASTINT (val); |
| 927 | else if (EQ (prop, Qtop)) |
| 928 | top = val; |
| 929 | else if (EQ (prop, Qleft)) |
| 930 | left = val; |
| 931 | else if (EQ (prop, Qicon_top)) |
| 932 | icon_top = val; |
| 933 | else if (EQ (prop, Qicon_left)) |
| 934 | icon_left = val; |
| 935 | else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
| 936 | /* Processed above. */ |
| 937 | continue; |
| 938 | else |
| 939 | { |
| 940 | register Lisp_Object param_index, old_value; |
| 941 | |
| 942 | param_index = Fget (prop, Qx_frame_parameter); |
| 943 | old_value = get_frame_param (f, prop); |
| 944 | store_frame_param (f, prop, val); |
| 945 | if (NATNUMP (param_index) |
| 946 | && (XFASTINT (param_index) |
| 947 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
| 948 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | /* Don't die if just one of these was set. */ |
| 953 | if (EQ (left, Qunbound)) |
| 954 | { |
| 955 | left_no_change = 1; |
| 956 | if (f->output_data.x->left_pos < 0) |
| 957 | left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil)); |
| 958 | else |
| 959 | XSETINT (left, f->output_data.x->left_pos); |
| 960 | } |
| 961 | if (EQ (top, Qunbound)) |
| 962 | { |
| 963 | top_no_change = 1; |
| 964 | if (f->output_data.x->top_pos < 0) |
| 965 | top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil)); |
| 966 | else |
| 967 | XSETINT (top, f->output_data.x->top_pos); |
| 968 | } |
| 969 | |
| 970 | /* If one of the icon positions was not set, preserve or default it. */ |
| 971 | if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left)) |
| 972 | { |
| 973 | icon_left_no_change = 1; |
| 974 | icon_left = Fcdr (Fassq (Qicon_left, f->param_alist)); |
| 975 | if (NILP (icon_left)) |
| 976 | XSETINT (icon_left, 0); |
| 977 | } |
| 978 | if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top)) |
| 979 | { |
| 980 | icon_top_no_change = 1; |
| 981 | icon_top = Fcdr (Fassq (Qicon_top, f->param_alist)); |
| 982 | if (NILP (icon_top)) |
| 983 | XSETINT (icon_top, 0); |
| 984 | } |
| 985 | |
| 986 | /* Don't set these parameters unless they've been explicitly |
| 987 | specified. The window might be mapped or resized while we're in |
| 988 | this function, and we don't want to override that unless the lisp |
| 989 | code has asked for it. |
| 990 | |
| 991 | Don't set these parameters unless they actually differ from the |
| 992 | window's current parameters; the window may not actually exist |
| 993 | yet. */ |
| 994 | { |
| 995 | Lisp_Object frame; |
| 996 | |
| 997 | check_frame_size (f, &height, &width); |
| 998 | |
| 999 | XSETFRAME (frame, f); |
| 1000 | |
| 1001 | if (width != FRAME_WIDTH (f) |
| 1002 | || height != FRAME_HEIGHT (f) |
| 1003 | || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) |
| 1004 | Fset_frame_size (frame, make_number (width), make_number (height)); |
| 1005 | |
| 1006 | if ((!NILP (left) || !NILP (top)) |
| 1007 | && ! (left_no_change && top_no_change) |
| 1008 | && ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos |
| 1009 | && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos)) |
| 1010 | { |
| 1011 | int leftpos = 0; |
| 1012 | int toppos = 0; |
| 1013 | |
| 1014 | /* Record the signs. */ |
| 1015 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
| 1016 | if (EQ (left, Qminus)) |
| 1017 | f->output_data.x->size_hint_flags |= XNegative; |
| 1018 | else if (INTEGERP (left)) |
| 1019 | { |
| 1020 | leftpos = XINT (left); |
| 1021 | if (leftpos < 0) |
| 1022 | f->output_data.x->size_hint_flags |= XNegative; |
| 1023 | } |
| 1024 | else if (CONSP (left) && EQ (XCAR (left), Qminus) |
| 1025 | && CONSP (XCDR (left)) |
| 1026 | && INTEGERP (XCAR (XCDR (left)))) |
| 1027 | { |
| 1028 | leftpos = - XINT (XCAR (XCDR (left))); |
| 1029 | f->output_data.x->size_hint_flags |= XNegative; |
| 1030 | } |
| 1031 | else if (CONSP (left) && EQ (XCAR (left), Qplus) |
| 1032 | && CONSP (XCDR (left)) |
| 1033 | && INTEGERP (XCAR (XCDR (left)))) |
| 1034 | { |
| 1035 | leftpos = XINT (XCAR (XCDR (left))); |
| 1036 | } |
| 1037 | |
| 1038 | if (EQ (top, Qminus)) |
| 1039 | f->output_data.x->size_hint_flags |= YNegative; |
| 1040 | else if (INTEGERP (top)) |
| 1041 | { |
| 1042 | toppos = XINT (top); |
| 1043 | if (toppos < 0) |
| 1044 | f->output_data.x->size_hint_flags |= YNegative; |
| 1045 | } |
| 1046 | else if (CONSP (top) && EQ (XCAR (top), Qminus) |
| 1047 | && CONSP (XCDR (top)) |
| 1048 | && INTEGERP (XCAR (XCDR (top)))) |
| 1049 | { |
| 1050 | toppos = - XINT (XCAR (XCDR (top))); |
| 1051 | f->output_data.x->size_hint_flags |= YNegative; |
| 1052 | } |
| 1053 | else if (CONSP (top) && EQ (XCAR (top), Qplus) |
| 1054 | && CONSP (XCDR (top)) |
| 1055 | && INTEGERP (XCAR (XCDR (top)))) |
| 1056 | { |
| 1057 | toppos = XINT (XCAR (XCDR (top))); |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | /* Store the numeric value of the position. */ |
| 1062 | f->output_data.x->top_pos = toppos; |
| 1063 | f->output_data.x->left_pos = leftpos; |
| 1064 | |
| 1065 | f->output_data.x->win_gravity = NorthWestGravity; |
| 1066 | |
| 1067 | /* Actually set that position, and convert to absolute. */ |
| 1068 | x_set_offset (f, leftpos, toppos, -1); |
| 1069 | } |
| 1070 | |
| 1071 | if ((!NILP (icon_left) || !NILP (icon_top)) |
| 1072 | && ! (icon_left_no_change && icon_top_no_change)) |
| 1073 | x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top)); |
| 1074 | } |
| 1075 | |
| 1076 | UNGCPRO; |
| 1077 | } |
| 1078 | |
| 1079 | /* Store the screen positions of frame F into XPTR and YPTR. |
| 1080 | These are the positions of the containing window manager window, |
| 1081 | not Emacs's own window. */ |
| 1082 | |
| 1083 | void |
| 1084 | x_real_positions (f, xptr, yptr) |
| 1085 | FRAME_PTR f; |
| 1086 | int *xptr, *yptr; |
| 1087 | { |
| 1088 | int win_x, win_y; |
| 1089 | Window child; |
| 1090 | |
| 1091 | /* This is pretty gross, but seems to be the easiest way out of |
| 1092 | the problem that arises when restarting window-managers. */ |
| 1093 | |
| 1094 | #ifdef USE_X_TOOLKIT |
| 1095 | Window outer = (f->output_data.x->widget |
| 1096 | ? XtWindow (f->output_data.x->widget) |
| 1097 | : FRAME_X_WINDOW (f)); |
| 1098 | #else |
| 1099 | Window outer = f->output_data.x->window_desc; |
| 1100 | #endif |
| 1101 | Window tmp_root_window; |
| 1102 | Window *tmp_children; |
| 1103 | unsigned int tmp_nchildren; |
| 1104 | |
| 1105 | while (1) |
| 1106 | { |
| 1107 | int count = x_catch_errors (FRAME_X_DISPLAY (f)); |
| 1108 | Window outer_window; |
| 1109 | |
| 1110 | XQueryTree (FRAME_X_DISPLAY (f), outer, &tmp_root_window, |
| 1111 | &f->output_data.x->parent_desc, |
| 1112 | &tmp_children, &tmp_nchildren); |
| 1113 | XFree ((char *) tmp_children); |
| 1114 | |
| 1115 | win_x = win_y = 0; |
| 1116 | |
| 1117 | /* Find the position of the outside upper-left corner of |
| 1118 | the inner window, with respect to the outer window. */ |
| 1119 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
| 1120 | outer_window = f->output_data.x->parent_desc; |
| 1121 | else |
| 1122 | outer_window = outer; |
| 1123 | |
| 1124 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
| 1125 | |
| 1126 | /* From-window, to-window. */ |
| 1127 | outer_window, |
| 1128 | FRAME_X_DISPLAY_INFO (f)->root_window, |
| 1129 | |
| 1130 | /* From-position, to-position. */ |
| 1131 | 0, 0, &win_x, &win_y, |
| 1132 | |
| 1133 | /* Child of win. */ |
| 1134 | &child); |
| 1135 | |
| 1136 | /* It is possible for the window returned by the XQueryNotify |
| 1137 | to become invalid by the time we call XTranslateCoordinates. |
| 1138 | That can happen when you restart some window managers. |
| 1139 | If so, we get an error in XTranslateCoordinates. |
| 1140 | Detect that and try the whole thing over. */ |
| 1141 | if (! x_had_errors_p (FRAME_X_DISPLAY (f))) |
| 1142 | { |
| 1143 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
| 1144 | break; |
| 1145 | } |
| 1146 | |
| 1147 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
| 1148 | } |
| 1149 | |
| 1150 | *xptr = win_x; |
| 1151 | *yptr = win_y; |
| 1152 | } |
| 1153 | |
| 1154 | /* Insert a description of internally-recorded parameters of frame X |
| 1155 | into the parameter alist *ALISTPTR that is to be given to the user. |
| 1156 | Only parameters that are specific to the X window system |
| 1157 | and whose values are not correctly recorded in the frame's |
| 1158 | param_alist need to be considered here. */ |
| 1159 | |
| 1160 | void |
| 1161 | x_report_frame_params (f, alistptr) |
| 1162 | struct frame *f; |
| 1163 | Lisp_Object *alistptr; |
| 1164 | { |
| 1165 | char buf[16]; |
| 1166 | Lisp_Object tem; |
| 1167 | |
| 1168 | /* Represent negative positions (off the top or left screen edge) |
| 1169 | in a way that Fmodify_frame_parameters will understand correctly. */ |
| 1170 | XSETINT (tem, f->output_data.x->left_pos); |
| 1171 | if (f->output_data.x->left_pos >= 0) |
| 1172 | store_in_alist (alistptr, Qleft, tem); |
| 1173 | else |
| 1174 | store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil))); |
| 1175 | |
| 1176 | XSETINT (tem, f->output_data.x->top_pos); |
| 1177 | if (f->output_data.x->top_pos >= 0) |
| 1178 | store_in_alist (alistptr, Qtop, tem); |
| 1179 | else |
| 1180 | store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil))); |
| 1181 | |
| 1182 | store_in_alist (alistptr, Qborder_width, |
| 1183 | make_number (f->output_data.x->border_width)); |
| 1184 | store_in_alist (alistptr, Qinternal_border_width, |
| 1185 | make_number (f->output_data.x->internal_border_width)); |
| 1186 | sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f)); |
| 1187 | store_in_alist (alistptr, Qwindow_id, |
| 1188 | build_string (buf)); |
| 1189 | #ifdef USE_X_TOOLKIT |
| 1190 | /* Tooltip frame may not have this widget. */ |
| 1191 | if (f->output_data.x->widget) |
| 1192 | #endif |
| 1193 | sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f)); |
| 1194 | store_in_alist (alistptr, Qouter_window_id, |
| 1195 | build_string (buf)); |
| 1196 | store_in_alist (alistptr, Qicon_name, f->icon_name); |
| 1197 | FRAME_SAMPLE_VISIBILITY (f); |
| 1198 | store_in_alist (alistptr, Qvisibility, |
| 1199 | (FRAME_VISIBLE_P (f) ? Qt |
| 1200 | : FRAME_ICONIFIED_P (f) ? Qicon : Qnil)); |
| 1201 | store_in_alist (alistptr, Qdisplay, |
| 1202 | XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element)); |
| 1203 | |
| 1204 | if (f->output_data.x->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window) |
| 1205 | tem = Qnil; |
| 1206 | else |
| 1207 | XSETFASTINT (tem, f->output_data.x->parent_desc); |
| 1208 | store_in_alist (alistptr, Qparent_id, tem); |
| 1209 | } |
| 1210 | \f |
| 1211 | |
| 1212 | |
| 1213 | /* Gamma-correct COLOR on frame F. */ |
| 1214 | |
| 1215 | void |
| 1216 | gamma_correct (f, color) |
| 1217 | struct frame *f; |
| 1218 | XColor *color; |
| 1219 | { |
| 1220 | if (f->gamma) |
| 1221 | { |
| 1222 | color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5; |
| 1223 | color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5; |
| 1224 | color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5; |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | |
| 1229 | /* Decide if color named COLOR_NAME is valid for use on frame F. If |
| 1230 | so, return the RGB values in COLOR. If ALLOC_P is non-zero, |
| 1231 | allocate the color. Value is zero if COLOR_NAME is invalid, or |
| 1232 | no color could be allocated. */ |
| 1233 | |
| 1234 | int |
| 1235 | x_defined_color (f, color_name, color, alloc_p) |
| 1236 | struct frame *f; |
| 1237 | char *color_name; |
| 1238 | XColor *color; |
| 1239 | int alloc_p; |
| 1240 | { |
| 1241 | int success_p; |
| 1242 | Display *dpy = FRAME_X_DISPLAY (f); |
| 1243 | Colormap cmap = FRAME_X_COLORMAP (f); |
| 1244 | |
| 1245 | BLOCK_INPUT; |
| 1246 | success_p = XParseColor (dpy, cmap, color_name, color); |
| 1247 | if (success_p && alloc_p) |
| 1248 | success_p = x_alloc_nearest_color (f, cmap, color); |
| 1249 | UNBLOCK_INPUT; |
| 1250 | |
| 1251 | return success_p; |
| 1252 | } |
| 1253 | |
| 1254 | |
| 1255 | /* Return the pixel color value for color COLOR_NAME on frame F. If F |
| 1256 | is a monochrome frame, return MONO_COLOR regardless of what ARG says. |
| 1257 | Signal an error if color can't be allocated. */ |
| 1258 | |
| 1259 | int |
| 1260 | x_decode_color (f, color_name, mono_color) |
| 1261 | FRAME_PTR f; |
| 1262 | Lisp_Object color_name; |
| 1263 | int mono_color; |
| 1264 | { |
| 1265 | XColor cdef; |
| 1266 | |
| 1267 | CHECK_STRING (color_name, 0); |
| 1268 | |
| 1269 | #if 0 /* Don't do this. It's wrong when we're not using the default |
| 1270 | colormap, it makes freeing difficult, and it's probably not |
| 1271 | an important optimization. */ |
| 1272 | if (strcmp (XSTRING (color_name)->data, "black") == 0) |
| 1273 | return BLACK_PIX_DEFAULT (f); |
| 1274 | else if (strcmp (XSTRING (color_name)->data, "white") == 0) |
| 1275 | return WHITE_PIX_DEFAULT (f); |
| 1276 | #endif |
| 1277 | |
| 1278 | /* Return MONO_COLOR for monochrome frames. */ |
| 1279 | if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1) |
| 1280 | return mono_color; |
| 1281 | |
| 1282 | /* x_defined_color is responsible for coping with failures |
| 1283 | by looking for a near-miss. */ |
| 1284 | if (x_defined_color (f, XSTRING (color_name)->data, &cdef, 1)) |
| 1285 | return cdef.pixel; |
| 1286 | |
| 1287 | Fsignal (Qerror, Fcons (build_string ("Undefined color"), |
| 1288 | Fcons (color_name, Qnil))); |
| 1289 | return 0; |
| 1290 | } |
| 1291 | |
| 1292 | |
| 1293 | \f |
| 1294 | /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is |
| 1295 | the previous value of that parameter, NEW_VALUE is the new value. */ |
| 1296 | |
| 1297 | static void |
| 1298 | x_set_line_spacing (f, new_value, old_value) |
| 1299 | struct frame *f; |
| 1300 | Lisp_Object new_value, old_value; |
| 1301 | { |
| 1302 | if (NILP (new_value)) |
| 1303 | f->extra_line_spacing = 0; |
| 1304 | else if (NATNUMP (new_value)) |
| 1305 | f->extra_line_spacing = XFASTINT (new_value); |
| 1306 | else |
| 1307 | Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"), |
| 1308 | Fcons (new_value, Qnil))); |
| 1309 | if (FRAME_VISIBLE_P (f)) |
| 1310 | redraw_frame (f); |
| 1311 | } |
| 1312 | |
| 1313 | |
| 1314 | /* Change the `wait-for-wm' frame parameter of frame F. OLD_VALUE is |
| 1315 | the previous value of that parameter, NEW_VALUE is the new value. |
| 1316 | See also the comment of wait_for_wm in struct x_output. */ |
| 1317 | |
| 1318 | static void |
| 1319 | x_set_wait_for_wm (f, new_value, old_value) |
| 1320 | struct frame *f; |
| 1321 | Lisp_Object new_value, old_value; |
| 1322 | { |
| 1323 | f->output_data.x->wait_for_wm = !NILP (new_value); |
| 1324 | } |
| 1325 | |
| 1326 | |
| 1327 | /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is |
| 1328 | the previous value of that parameter, NEW_VALUE is the new |
| 1329 | value. */ |
| 1330 | |
| 1331 | static void |
| 1332 | x_set_screen_gamma (f, new_value, old_value) |
| 1333 | struct frame *f; |
| 1334 | Lisp_Object new_value, old_value; |
| 1335 | { |
| 1336 | if (NILP (new_value)) |
| 1337 | f->gamma = 0; |
| 1338 | else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0) |
| 1339 | /* The value 0.4545 is the normal viewing gamma. */ |
| 1340 | f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value)); |
| 1341 | else |
| 1342 | Fsignal (Qerror, Fcons (build_string ("Invalid screen-gamma"), |
| 1343 | Fcons (new_value, Qnil))); |
| 1344 | |
| 1345 | clear_face_cache (0); |
| 1346 | } |
| 1347 | |
| 1348 | |
| 1349 | /* Functions called only from `x_set_frame_param' |
| 1350 | to set individual parameters. |
| 1351 | |
| 1352 | If FRAME_X_WINDOW (f) is 0, |
| 1353 | the frame is being created and its X-window does not exist yet. |
| 1354 | In that case, just record the parameter's new value |
| 1355 | in the standard place; do not attempt to change the window. */ |
| 1356 | |
| 1357 | void |
| 1358 | x_set_foreground_color (f, arg, oldval) |
| 1359 | struct frame *f; |
| 1360 | Lisp_Object arg, oldval; |
| 1361 | { |
| 1362 | struct x_output *x = f->output_data.x; |
| 1363 | unsigned long fg, old_fg; |
| 1364 | |
| 1365 | fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 1366 | old_fg = x->foreground_pixel; |
| 1367 | x->foreground_pixel = fg; |
| 1368 | |
| 1369 | if (FRAME_X_WINDOW (f) != 0) |
| 1370 | { |
| 1371 | Display *dpy = FRAME_X_DISPLAY (f); |
| 1372 | |
| 1373 | BLOCK_INPUT; |
| 1374 | XSetForeground (dpy, x->normal_gc, fg); |
| 1375 | XSetBackground (dpy, x->reverse_gc, fg); |
| 1376 | |
| 1377 | if (x->cursor_pixel == old_fg) |
| 1378 | { |
| 1379 | unload_color (f, x->cursor_pixel); |
| 1380 | x->cursor_pixel = x_copy_color (f, fg); |
| 1381 | XSetBackground (dpy, x->cursor_gc, x->cursor_pixel); |
| 1382 | } |
| 1383 | |
| 1384 | UNBLOCK_INPUT; |
| 1385 | |
| 1386 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
| 1387 | |
| 1388 | if (FRAME_VISIBLE_P (f)) |
| 1389 | redraw_frame (f); |
| 1390 | } |
| 1391 | |
| 1392 | unload_color (f, old_fg); |
| 1393 | } |
| 1394 | |
| 1395 | void |
| 1396 | x_set_background_color (f, arg, oldval) |
| 1397 | struct frame *f; |
| 1398 | Lisp_Object arg, oldval; |
| 1399 | { |
| 1400 | struct x_output *x = f->output_data.x; |
| 1401 | unsigned long bg; |
| 1402 | |
| 1403 | bg = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
| 1404 | unload_color (f, x->background_pixel); |
| 1405 | x->background_pixel = bg; |
| 1406 | |
| 1407 | if (FRAME_X_WINDOW (f) != 0) |
| 1408 | { |
| 1409 | Display *dpy = FRAME_X_DISPLAY (f); |
| 1410 | |
| 1411 | BLOCK_INPUT; |
| 1412 | XSetBackground (dpy, x->normal_gc, bg); |
| 1413 | XSetForeground (dpy, x->reverse_gc, bg); |
| 1414 | XSetWindowBackground (dpy, FRAME_X_WINDOW (f), bg); |
| 1415 | XSetForeground (dpy, x->cursor_gc, bg); |
| 1416 | |
| 1417 | #ifndef USE_TOOLKIT_SCROLL_BARS /* Turns out to be annoying with |
| 1418 | toolkit scroll bars. */ |
| 1419 | { |
| 1420 | Lisp_Object bar; |
| 1421 | for (bar = FRAME_SCROLL_BARS (f); |
| 1422 | !NILP (bar); |
| 1423 | bar = XSCROLL_BAR (bar)->next) |
| 1424 | { |
| 1425 | Window window = SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)); |
| 1426 | XSetWindowBackground (dpy, window, bg); |
| 1427 | } |
| 1428 | } |
| 1429 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
| 1430 | |
| 1431 | UNBLOCK_INPUT; |
| 1432 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
| 1433 | |
| 1434 | if (FRAME_VISIBLE_P (f)) |
| 1435 | redraw_frame (f); |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void |
| 1440 | x_set_mouse_color (f, arg, oldval) |
| 1441 | struct frame *f; |
| 1442 | Lisp_Object arg, oldval; |
| 1443 | { |
| 1444 | struct x_output *x = f->output_data.x; |
| 1445 | Display *dpy = FRAME_X_DISPLAY (f); |
| 1446 | Cursor cursor, nontext_cursor, mode_cursor, cross_cursor; |
| 1447 | Cursor hourglass_cursor, horizontal_drag_cursor; |
| 1448 | int count; |
| 1449 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 1450 | unsigned long mask_color = x->background_pixel; |
| 1451 | |
| 1452 | /* Don't let pointers be invisible. */ |
| 1453 | if (mask_color == pixel) |
| 1454 | { |
| 1455 | x_free_colors (f, &pixel, 1); |
| 1456 | pixel = x_copy_color (f, x->foreground_pixel); |
| 1457 | } |
| 1458 | |
| 1459 | unload_color (f, x->mouse_pixel); |
| 1460 | x->mouse_pixel = pixel; |
| 1461 | |
| 1462 | BLOCK_INPUT; |
| 1463 | |
| 1464 | /* It's not okay to crash if the user selects a screwy cursor. */ |
| 1465 | count = x_catch_errors (dpy); |
| 1466 | |
| 1467 | if (!NILP (Vx_pointer_shape)) |
| 1468 | { |
| 1469 | CHECK_NUMBER (Vx_pointer_shape, 0); |
| 1470 | cursor = XCreateFontCursor (dpy, XINT (Vx_pointer_shape)); |
| 1471 | } |
| 1472 | else |
| 1473 | cursor = XCreateFontCursor (dpy, XC_xterm); |
| 1474 | x_check_errors (dpy, "bad text pointer cursor: %s"); |
| 1475 | |
| 1476 | if (!NILP (Vx_nontext_pointer_shape)) |
| 1477 | { |
| 1478 | CHECK_NUMBER (Vx_nontext_pointer_shape, 0); |
| 1479 | nontext_cursor |
| 1480 | = XCreateFontCursor (dpy, XINT (Vx_nontext_pointer_shape)); |
| 1481 | } |
| 1482 | else |
| 1483 | nontext_cursor = XCreateFontCursor (dpy, XC_left_ptr); |
| 1484 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); |
| 1485 | |
| 1486 | if (!NILP (Vx_hourglass_pointer_shape)) |
| 1487 | { |
| 1488 | CHECK_NUMBER (Vx_hourglass_pointer_shape, 0); |
| 1489 | hourglass_cursor |
| 1490 | = XCreateFontCursor (dpy, XINT (Vx_hourglass_pointer_shape)); |
| 1491 | } |
| 1492 | else |
| 1493 | hourglass_cursor = XCreateFontCursor (dpy, XC_watch); |
| 1494 | x_check_errors (dpy, "bad hourglass pointer cursor: %s"); |
| 1495 | |
| 1496 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); |
| 1497 | if (!NILP (Vx_mode_pointer_shape)) |
| 1498 | { |
| 1499 | CHECK_NUMBER (Vx_mode_pointer_shape, 0); |
| 1500 | mode_cursor = XCreateFontCursor (dpy, XINT (Vx_mode_pointer_shape)); |
| 1501 | } |
| 1502 | else |
| 1503 | mode_cursor = XCreateFontCursor (dpy, XC_xterm); |
| 1504 | x_check_errors (dpy, "bad modeline pointer cursor: %s"); |
| 1505 | |
| 1506 | if (!NILP (Vx_sensitive_text_pointer_shape)) |
| 1507 | { |
| 1508 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0); |
| 1509 | cross_cursor |
| 1510 | = XCreateFontCursor (dpy, XINT (Vx_sensitive_text_pointer_shape)); |
| 1511 | } |
| 1512 | else |
| 1513 | cross_cursor = XCreateFontCursor (dpy, XC_crosshair); |
| 1514 | |
| 1515 | if (!NILP (Vx_window_horizontal_drag_shape)) |
| 1516 | { |
| 1517 | CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0); |
| 1518 | horizontal_drag_cursor |
| 1519 | = XCreateFontCursor (dpy, XINT (Vx_window_horizontal_drag_shape)); |
| 1520 | } |
| 1521 | else |
| 1522 | horizontal_drag_cursor |
| 1523 | = XCreateFontCursor (dpy, XC_sb_h_double_arrow); |
| 1524 | |
| 1525 | /* Check and report errors with the above calls. */ |
| 1526 | x_check_errors (dpy, "can't set cursor shape: %s"); |
| 1527 | x_uncatch_errors (dpy, count); |
| 1528 | |
| 1529 | { |
| 1530 | XColor fore_color, back_color; |
| 1531 | |
| 1532 | fore_color.pixel = x->mouse_pixel; |
| 1533 | x_query_color (f, &fore_color); |
| 1534 | back_color.pixel = mask_color; |
| 1535 | x_query_color (f, &back_color); |
| 1536 | |
| 1537 | XRecolorCursor (dpy, cursor, &fore_color, &back_color); |
| 1538 | XRecolorCursor (dpy, nontext_cursor, &fore_color, &back_color); |
| 1539 | XRecolorCursor (dpy, mode_cursor, &fore_color, &back_color); |
| 1540 | XRecolorCursor (dpy, cross_cursor, &fore_color, &back_color); |
| 1541 | XRecolorCursor (dpy, hourglass_cursor, &fore_color, &back_color); |
| 1542 | XRecolorCursor (dpy, horizontal_drag_cursor, &fore_color, &back_color); |
| 1543 | } |
| 1544 | |
| 1545 | if (FRAME_X_WINDOW (f) != 0) |
| 1546 | XDefineCursor (dpy, FRAME_X_WINDOW (f), cursor); |
| 1547 | |
| 1548 | if (cursor != x->text_cursor |
| 1549 | && x->text_cursor != 0) |
| 1550 | XFreeCursor (dpy, x->text_cursor); |
| 1551 | x->text_cursor = cursor; |
| 1552 | |
| 1553 | if (nontext_cursor != x->nontext_cursor |
| 1554 | && x->nontext_cursor != 0) |
| 1555 | XFreeCursor (dpy, x->nontext_cursor); |
| 1556 | x->nontext_cursor = nontext_cursor; |
| 1557 | |
| 1558 | if (hourglass_cursor != x->hourglass_cursor |
| 1559 | && x->hourglass_cursor != 0) |
| 1560 | XFreeCursor (dpy, x->hourglass_cursor); |
| 1561 | x->hourglass_cursor = hourglass_cursor; |
| 1562 | |
| 1563 | if (mode_cursor != x->modeline_cursor |
| 1564 | && x->modeline_cursor != 0) |
| 1565 | XFreeCursor (dpy, f->output_data.x->modeline_cursor); |
| 1566 | x->modeline_cursor = mode_cursor; |
| 1567 | |
| 1568 | if (cross_cursor != x->cross_cursor |
| 1569 | && x->cross_cursor != 0) |
| 1570 | XFreeCursor (dpy, x->cross_cursor); |
| 1571 | x->cross_cursor = cross_cursor; |
| 1572 | |
| 1573 | if (horizontal_drag_cursor != x->horizontal_drag_cursor |
| 1574 | && x->horizontal_drag_cursor != 0) |
| 1575 | XFreeCursor (dpy, x->horizontal_drag_cursor); |
| 1576 | x->horizontal_drag_cursor = horizontal_drag_cursor; |
| 1577 | |
| 1578 | XFlush (dpy); |
| 1579 | UNBLOCK_INPUT; |
| 1580 | |
| 1581 | update_face_from_frame_parameter (f, Qmouse_color, arg); |
| 1582 | } |
| 1583 | |
| 1584 | void |
| 1585 | x_set_cursor_color (f, arg, oldval) |
| 1586 | struct frame *f; |
| 1587 | Lisp_Object arg, oldval; |
| 1588 | { |
| 1589 | unsigned long fore_pixel, pixel; |
| 1590 | int fore_pixel_allocated_p = 0, pixel_allocated_p = 0; |
| 1591 | struct x_output *x = f->output_data.x; |
| 1592 | |
| 1593 | if (!NILP (Vx_cursor_fore_pixel)) |
| 1594 | { |
| 1595 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, |
| 1596 | WHITE_PIX_DEFAULT (f)); |
| 1597 | fore_pixel_allocated_p = 1; |
| 1598 | } |
| 1599 | else |
| 1600 | fore_pixel = x->background_pixel; |
| 1601 | |
| 1602 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 1603 | pixel_allocated_p = 1; |
| 1604 | |
| 1605 | /* Make sure that the cursor color differs from the background color. */ |
| 1606 | if (pixel == x->background_pixel) |
| 1607 | { |
| 1608 | if (pixel_allocated_p) |
| 1609 | { |
| 1610 | x_free_colors (f, &pixel, 1); |
| 1611 | pixel_allocated_p = 0; |
| 1612 | } |
| 1613 | |
| 1614 | pixel = x->mouse_pixel; |
| 1615 | if (pixel == fore_pixel) |
| 1616 | { |
| 1617 | if (fore_pixel_allocated_p) |
| 1618 | { |
| 1619 | x_free_colors (f, &fore_pixel, 1); |
| 1620 | fore_pixel_allocated_p = 0; |
| 1621 | } |
| 1622 | fore_pixel = x->background_pixel; |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | unload_color (f, x->cursor_foreground_pixel); |
| 1627 | if (!fore_pixel_allocated_p) |
| 1628 | fore_pixel = x_copy_color (f, fore_pixel); |
| 1629 | x->cursor_foreground_pixel = fore_pixel; |
| 1630 | |
| 1631 | unload_color (f, x->cursor_pixel); |
| 1632 | if (!pixel_allocated_p) |
| 1633 | pixel = x_copy_color (f, pixel); |
| 1634 | x->cursor_pixel = pixel; |
| 1635 | |
| 1636 | if (FRAME_X_WINDOW (f) != 0) |
| 1637 | { |
| 1638 | BLOCK_INPUT; |
| 1639 | XSetBackground (FRAME_X_DISPLAY (f), x->cursor_gc, x->cursor_pixel); |
| 1640 | XSetForeground (FRAME_X_DISPLAY (f), x->cursor_gc, fore_pixel); |
| 1641 | UNBLOCK_INPUT; |
| 1642 | |
| 1643 | if (FRAME_VISIBLE_P (f)) |
| 1644 | { |
| 1645 | x_update_cursor (f, 0); |
| 1646 | x_update_cursor (f, 1); |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | update_face_from_frame_parameter (f, Qcursor_color, arg); |
| 1651 | } |
| 1652 | \f |
| 1653 | /* Set the border-color of frame F to value described by ARG. |
| 1654 | ARG can be a string naming a color. |
| 1655 | The border-color is used for the border that is drawn by the X server. |
| 1656 | Note that this does not fully take effect if done before |
| 1657 | F has an x-window; it must be redone when the window is created. |
| 1658 | |
| 1659 | Note: this is done in two routines because of the way X10 works. |
| 1660 | |
| 1661 | Note: under X11, this is normally the province of the window manager, |
| 1662 | and so emacs' border colors may be overridden. */ |
| 1663 | |
| 1664 | void |
| 1665 | x_set_border_color (f, arg, oldval) |
| 1666 | struct frame *f; |
| 1667 | Lisp_Object arg, oldval; |
| 1668 | { |
| 1669 | int pix; |
| 1670 | |
| 1671 | CHECK_STRING (arg, 0); |
| 1672 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
| 1673 | x_set_border_pixel (f, pix); |
| 1674 | update_face_from_frame_parameter (f, Qborder_color, arg); |
| 1675 | } |
| 1676 | |
| 1677 | /* Set the border-color of frame F to pixel value PIX. |
| 1678 | Note that this does not fully take effect if done before |
| 1679 | F has an x-window. */ |
| 1680 | |
| 1681 | void |
| 1682 | x_set_border_pixel (f, pix) |
| 1683 | struct frame *f; |
| 1684 | int pix; |
| 1685 | { |
| 1686 | unload_color (f, f->output_data.x->border_pixel); |
| 1687 | f->output_data.x->border_pixel = pix; |
| 1688 | |
| 1689 | if (FRAME_X_WINDOW (f) != 0 && f->output_data.x->border_width > 0) |
| 1690 | { |
| 1691 | BLOCK_INPUT; |
| 1692 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 1693 | (unsigned long)pix); |
| 1694 | UNBLOCK_INPUT; |
| 1695 | |
| 1696 | if (FRAME_VISIBLE_P (f)) |
| 1697 | redraw_frame (f); |
| 1698 | } |
| 1699 | } |
| 1700 | |
| 1701 | |
| 1702 | /* Value is the internal representation of the specified cursor type |
| 1703 | ARG. If type is BAR_CURSOR, return in *WIDTH the specified width |
| 1704 | of the bar cursor. */ |
| 1705 | |
| 1706 | enum text_cursor_kinds |
| 1707 | x_specified_cursor_type (arg, width) |
| 1708 | Lisp_Object arg; |
| 1709 | int *width; |
| 1710 | { |
| 1711 | enum text_cursor_kinds type; |
| 1712 | |
| 1713 | if (EQ (arg, Qbar)) |
| 1714 | { |
| 1715 | type = BAR_CURSOR; |
| 1716 | *width = 2; |
| 1717 | } |
| 1718 | else if (CONSP (arg) |
| 1719 | && EQ (XCAR (arg), Qbar) |
| 1720 | && INTEGERP (XCDR (arg)) |
| 1721 | && XINT (XCDR (arg)) >= 0) |
| 1722 | { |
| 1723 | type = BAR_CURSOR; |
| 1724 | *width = XINT (XCDR (arg)); |
| 1725 | } |
| 1726 | else if (NILP (arg)) |
| 1727 | type = NO_CURSOR; |
| 1728 | else |
| 1729 | /* Treat anything unknown as "box cursor". |
| 1730 | It was bad to signal an error; people have trouble fixing |
| 1731 | .Xdefaults with Emacs, when it has something bad in it. */ |
| 1732 | type = FILLED_BOX_CURSOR; |
| 1733 | |
| 1734 | return type; |
| 1735 | } |
| 1736 | |
| 1737 | void |
| 1738 | x_set_cursor_type (f, arg, oldval) |
| 1739 | FRAME_PTR f; |
| 1740 | Lisp_Object arg, oldval; |
| 1741 | { |
| 1742 | int width; |
| 1743 | |
| 1744 | FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width); |
| 1745 | f->output_data.x->cursor_width = width; |
| 1746 | |
| 1747 | /* Make sure the cursor gets redrawn. This is overkill, but how |
| 1748 | often do people change cursor types? */ |
| 1749 | update_mode_lines++; |
| 1750 | } |
| 1751 | \f |
| 1752 | void |
| 1753 | x_set_icon_type (f, arg, oldval) |
| 1754 | struct frame *f; |
| 1755 | Lisp_Object arg, oldval; |
| 1756 | { |
| 1757 | int result; |
| 1758 | |
| 1759 | if (STRINGP (arg)) |
| 1760 | { |
| 1761 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) |
| 1762 | return; |
| 1763 | } |
| 1764 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) |
| 1765 | return; |
| 1766 | |
| 1767 | BLOCK_INPUT; |
| 1768 | if (NILP (arg)) |
| 1769 | result = x_text_icon (f, |
| 1770 | (char *) XSTRING ((!NILP (f->icon_name) |
| 1771 | ? f->icon_name |
| 1772 | : f->name))->data); |
| 1773 | else |
| 1774 | result = x_bitmap_icon (f, arg); |
| 1775 | |
| 1776 | if (result) |
| 1777 | { |
| 1778 | UNBLOCK_INPUT; |
| 1779 | error ("No icon window available"); |
| 1780 | } |
| 1781 | |
| 1782 | XFlush (FRAME_X_DISPLAY (f)); |
| 1783 | UNBLOCK_INPUT; |
| 1784 | } |
| 1785 | |
| 1786 | /* Return non-nil if frame F wants a bitmap icon. */ |
| 1787 | |
| 1788 | Lisp_Object |
| 1789 | x_icon_type (f) |
| 1790 | FRAME_PTR f; |
| 1791 | { |
| 1792 | Lisp_Object tem; |
| 1793 | |
| 1794 | tem = assq_no_quit (Qicon_type, f->param_alist); |
| 1795 | if (CONSP (tem)) |
| 1796 | return XCDR (tem); |
| 1797 | else |
| 1798 | return Qnil; |
| 1799 | } |
| 1800 | |
| 1801 | void |
| 1802 | x_set_icon_name (f, arg, oldval) |
| 1803 | struct frame *f; |
| 1804 | Lisp_Object arg, oldval; |
| 1805 | { |
| 1806 | int result; |
| 1807 | |
| 1808 | if (STRINGP (arg)) |
| 1809 | { |
| 1810 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) |
| 1811 | return; |
| 1812 | } |
| 1813 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) |
| 1814 | return; |
| 1815 | |
| 1816 | f->icon_name = arg; |
| 1817 | |
| 1818 | if (f->output_data.x->icon_bitmap != 0) |
| 1819 | return; |
| 1820 | |
| 1821 | BLOCK_INPUT; |
| 1822 | |
| 1823 | result = x_text_icon (f, |
| 1824 | (char *) XSTRING ((!NILP (f->icon_name) |
| 1825 | ? f->icon_name |
| 1826 | : !NILP (f->title) |
| 1827 | ? f->title |
| 1828 | : f->name))->data); |
| 1829 | |
| 1830 | if (result) |
| 1831 | { |
| 1832 | UNBLOCK_INPUT; |
| 1833 | error ("No icon window available"); |
| 1834 | } |
| 1835 | |
| 1836 | XFlush (FRAME_X_DISPLAY (f)); |
| 1837 | UNBLOCK_INPUT; |
| 1838 | } |
| 1839 | \f |
| 1840 | void |
| 1841 | x_set_font (f, arg, oldval) |
| 1842 | struct frame *f; |
| 1843 | Lisp_Object arg, oldval; |
| 1844 | { |
| 1845 | Lisp_Object result; |
| 1846 | Lisp_Object fontset_name; |
| 1847 | Lisp_Object frame; |
| 1848 | int old_fontset = f->output_data.x->fontset; |
| 1849 | |
| 1850 | CHECK_STRING (arg, 1); |
| 1851 | |
| 1852 | fontset_name = Fquery_fontset (arg, Qnil); |
| 1853 | |
| 1854 | BLOCK_INPUT; |
| 1855 | result = (STRINGP (fontset_name) |
| 1856 | ? x_new_fontset (f, XSTRING (fontset_name)->data) |
| 1857 | : x_new_font (f, XSTRING (arg)->data)); |
| 1858 | UNBLOCK_INPUT; |
| 1859 | |
| 1860 | if (EQ (result, Qnil)) |
| 1861 | error ("Font `%s' is not defined", XSTRING (arg)->data); |
| 1862 | else if (EQ (result, Qt)) |
| 1863 | error ("The characters of the given font have varying widths"); |
| 1864 | else if (STRINGP (result)) |
| 1865 | { |
| 1866 | if (STRINGP (fontset_name)) |
| 1867 | { |
| 1868 | /* Fontset names are built from ASCII font names, so the |
| 1869 | names may be equal despite there was a change. */ |
| 1870 | if (old_fontset == f->output_data.x->fontset) |
| 1871 | return; |
| 1872 | } |
| 1873 | else if (!NILP (Fequal (result, oldval))) |
| 1874 | return; |
| 1875 | |
| 1876 | store_frame_param (f, Qfont, result); |
| 1877 | recompute_basic_faces (f); |
| 1878 | } |
| 1879 | else |
| 1880 | abort (); |
| 1881 | |
| 1882 | do_pending_window_change (0); |
| 1883 | |
| 1884 | /* Don't call `face-set-after-frame-default' when faces haven't been |
| 1885 | initialized yet. This is the case when called from |
| 1886 | Fx_create_frame. In that case, the X widget or window doesn't |
| 1887 | exist either, and we can end up in x_report_frame_params with a |
| 1888 | null widget which gives a segfault. */ |
| 1889 | if (FRAME_FACE_CACHE (f)) |
| 1890 | { |
| 1891 | XSETFRAME (frame, f); |
| 1892 | call1 (Qface_set_after_frame_default, frame); |
| 1893 | } |
| 1894 | } |
| 1895 | |
| 1896 | void |
| 1897 | x_set_border_width (f, arg, oldval) |
| 1898 | struct frame *f; |
| 1899 | Lisp_Object arg, oldval; |
| 1900 | { |
| 1901 | CHECK_NUMBER (arg, 0); |
| 1902 | |
| 1903 | if (XINT (arg) == f->output_data.x->border_width) |
| 1904 | return; |
| 1905 | |
| 1906 | if (FRAME_X_WINDOW (f) != 0) |
| 1907 | error ("Cannot change the border width of a window"); |
| 1908 | |
| 1909 | f->output_data.x->border_width = XINT (arg); |
| 1910 | } |
| 1911 | |
| 1912 | void |
| 1913 | x_set_internal_border_width (f, arg, oldval) |
| 1914 | struct frame *f; |
| 1915 | Lisp_Object arg, oldval; |
| 1916 | { |
| 1917 | int old = f->output_data.x->internal_border_width; |
| 1918 | |
| 1919 | CHECK_NUMBER (arg, 0); |
| 1920 | f->output_data.x->internal_border_width = XINT (arg); |
| 1921 | if (f->output_data.x->internal_border_width < 0) |
| 1922 | f->output_data.x->internal_border_width = 0; |
| 1923 | |
| 1924 | #ifdef USE_X_TOOLKIT |
| 1925 | if (f->output_data.x->edit_widget) |
| 1926 | widget_store_internal_border (f->output_data.x->edit_widget); |
| 1927 | #endif |
| 1928 | |
| 1929 | if (f->output_data.x->internal_border_width == old) |
| 1930 | return; |
| 1931 | |
| 1932 | if (FRAME_X_WINDOW (f) != 0) |
| 1933 | { |
| 1934 | x_set_window_size (f, 0, f->width, f->height); |
| 1935 | SET_FRAME_GARBAGED (f); |
| 1936 | do_pending_window_change (0); |
| 1937 | } |
| 1938 | } |
| 1939 | |
| 1940 | void |
| 1941 | x_set_visibility (f, value, oldval) |
| 1942 | struct frame *f; |
| 1943 | Lisp_Object value, oldval; |
| 1944 | { |
| 1945 | Lisp_Object frame; |
| 1946 | XSETFRAME (frame, f); |
| 1947 | |
| 1948 | if (NILP (value)) |
| 1949 | Fmake_frame_invisible (frame, Qt); |
| 1950 | else if (EQ (value, Qicon)) |
| 1951 | Ficonify_frame (frame); |
| 1952 | else |
| 1953 | Fmake_frame_visible (frame); |
| 1954 | } |
| 1955 | |
| 1956 | \f |
| 1957 | /* Change window heights in windows rooted in WINDOW by N lines. */ |
| 1958 | |
| 1959 | static void |
| 1960 | x_change_window_heights (window, n) |
| 1961 | Lisp_Object window; |
| 1962 | int n; |
| 1963 | { |
| 1964 | struct window *w = XWINDOW (window); |
| 1965 | |
| 1966 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
| 1967 | XSETFASTINT (w->height, XFASTINT (w->height) - n); |
| 1968 | |
| 1969 | if (INTEGERP (w->orig_top)) |
| 1970 | XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n); |
| 1971 | if (INTEGERP (w->orig_height)) |
| 1972 | XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n); |
| 1973 | |
| 1974 | /* Handle just the top child in a vertical split. */ |
| 1975 | if (!NILP (w->vchild)) |
| 1976 | x_change_window_heights (w->vchild, n); |
| 1977 | |
| 1978 | /* Adjust all children in a horizontal split. */ |
| 1979 | for (window = w->hchild; !NILP (window); window = w->next) |
| 1980 | { |
| 1981 | w = XWINDOW (window); |
| 1982 | x_change_window_heights (window, n); |
| 1983 | } |
| 1984 | } |
| 1985 | |
| 1986 | void |
| 1987 | x_set_menu_bar_lines (f, value, oldval) |
| 1988 | struct frame *f; |
| 1989 | Lisp_Object value, oldval; |
| 1990 | { |
| 1991 | int nlines; |
| 1992 | #ifndef USE_X_TOOLKIT |
| 1993 | int olines = FRAME_MENU_BAR_LINES (f); |
| 1994 | #endif |
| 1995 | |
| 1996 | /* Right now, menu bars don't work properly in minibuf-only frames; |
| 1997 | most of the commands try to apply themselves to the minibuffer |
| 1998 | frame itself, and get an error because you can't switch buffers |
| 1999 | in or split the minibuffer window. */ |
| 2000 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 2001 | return; |
| 2002 | |
| 2003 | if (INTEGERP (value)) |
| 2004 | nlines = XINT (value); |
| 2005 | else |
| 2006 | nlines = 0; |
| 2007 | |
| 2008 | /* Make sure we redisplay all windows in this frame. */ |
| 2009 | windows_or_buffers_changed++; |
| 2010 | |
| 2011 | #ifdef USE_X_TOOLKIT |
| 2012 | FRAME_MENU_BAR_LINES (f) = 0; |
| 2013 | if (nlines) |
| 2014 | { |
| 2015 | FRAME_EXTERNAL_MENU_BAR (f) = 1; |
| 2016 | if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0) |
| 2017 | /* Make sure next redisplay shows the menu bar. */ |
| 2018 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; |
| 2019 | } |
| 2020 | else |
| 2021 | { |
| 2022 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
| 2023 | free_frame_menubar (f); |
| 2024 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
| 2025 | if (FRAME_X_P (f)) |
| 2026 | f->output_data.x->menubar_widget = 0; |
| 2027 | } |
| 2028 | #else /* not USE_X_TOOLKIT */ |
| 2029 | FRAME_MENU_BAR_LINES (f) = nlines; |
| 2030 | x_change_window_heights (f->root_window, nlines - olines); |
| 2031 | #endif /* not USE_X_TOOLKIT */ |
| 2032 | adjust_glyphs (f); |
| 2033 | } |
| 2034 | |
| 2035 | |
| 2036 | /* Set the number of lines used for the tool bar of frame F to VALUE. |
| 2037 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL |
| 2038 | is the old number of tool bar lines. This function changes the |
| 2039 | height of all windows on frame F to match the new tool bar height. |
| 2040 | The frame's height doesn't change. */ |
| 2041 | |
| 2042 | void |
| 2043 | x_set_tool_bar_lines (f, value, oldval) |
| 2044 | struct frame *f; |
| 2045 | Lisp_Object value, oldval; |
| 2046 | { |
| 2047 | int delta, nlines, root_height; |
| 2048 | Lisp_Object root_window; |
| 2049 | |
| 2050 | /* Treat tool bars like menu bars. */ |
| 2051 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 2052 | return; |
| 2053 | |
| 2054 | /* Use VALUE only if an integer >= 0. */ |
| 2055 | if (INTEGERP (value) && XINT (value) >= 0) |
| 2056 | nlines = XFASTINT (value); |
| 2057 | else |
| 2058 | nlines = 0; |
| 2059 | |
| 2060 | /* Make sure we redisplay all windows in this frame. */ |
| 2061 | ++windows_or_buffers_changed; |
| 2062 | |
| 2063 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
| 2064 | |
| 2065 | /* Don't resize the tool-bar to more than we have room for. */ |
| 2066 | root_window = FRAME_ROOT_WINDOW (f); |
| 2067 | root_height = XINT (XWINDOW (root_window)->height); |
| 2068 | if (root_height - delta < 1) |
| 2069 | { |
| 2070 | delta = root_height - 1; |
| 2071 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; |
| 2072 | } |
| 2073 | |
| 2074 | FRAME_TOOL_BAR_LINES (f) = nlines; |
| 2075 | x_change_window_heights (root_window, delta); |
| 2076 | adjust_glyphs (f); |
| 2077 | |
| 2078 | /* We also have to make sure that the internal border at the top of |
| 2079 | the frame, below the menu bar or tool bar, is redrawn when the |
| 2080 | tool bar disappears. This is so because the internal border is |
| 2081 | below the tool bar if one is displayed, but is below the menu bar |
| 2082 | if there isn't a tool bar. The tool bar draws into the area |
| 2083 | below the menu bar. */ |
| 2084 | if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) |
| 2085 | { |
| 2086 | updating_frame = f; |
| 2087 | clear_frame (); |
| 2088 | clear_current_matrices (f); |
| 2089 | updating_frame = NULL; |
| 2090 | } |
| 2091 | |
| 2092 | /* If the tool bar gets smaller, the internal border below it |
| 2093 | has to be cleared. It was formerly part of the display |
| 2094 | of the larger tool bar, and updating windows won't clear it. */ |
| 2095 | if (delta < 0) |
| 2096 | { |
| 2097 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); |
| 2098 | int width = PIXEL_WIDTH (f); |
| 2099 | int y = nlines * CANON_Y_UNIT (f); |
| 2100 | |
| 2101 | BLOCK_INPUT; |
| 2102 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 2103 | 0, y, width, height, False); |
| 2104 | UNBLOCK_INPUT; |
| 2105 | |
| 2106 | if (WINDOWP (f->tool_bar_window)) |
| 2107 | clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix); |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | |
| 2112 | /* Set the foreground color for scroll bars on frame F to VALUE. |
| 2113 | VALUE should be a string, a color name. If it isn't a string or |
| 2114 | isn't a valid color name, do nothing. OLDVAL is the old value of |
| 2115 | the frame parameter. */ |
| 2116 | |
| 2117 | void |
| 2118 | x_set_scroll_bar_foreground (f, value, oldval) |
| 2119 | struct frame *f; |
| 2120 | Lisp_Object value, oldval; |
| 2121 | { |
| 2122 | unsigned long pixel; |
| 2123 | |
| 2124 | if (STRINGP (value)) |
| 2125 | pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f)); |
| 2126 | else |
| 2127 | pixel = -1; |
| 2128 | |
| 2129 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) |
| 2130 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); |
| 2131 | |
| 2132 | f->output_data.x->scroll_bar_foreground_pixel = pixel; |
| 2133 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) |
| 2134 | { |
| 2135 | /* Remove all scroll bars because they have wrong colors. */ |
| 2136 | if (condemn_scroll_bars_hook) |
| 2137 | (*condemn_scroll_bars_hook) (f); |
| 2138 | if (judge_scroll_bars_hook) |
| 2139 | (*judge_scroll_bars_hook) (f); |
| 2140 | |
| 2141 | update_face_from_frame_parameter (f, Qscroll_bar_foreground, value); |
| 2142 | redraw_frame (f); |
| 2143 | } |
| 2144 | } |
| 2145 | |
| 2146 | |
| 2147 | /* Set the background color for scroll bars on frame F to VALUE VALUE |
| 2148 | should be a string, a color name. If it isn't a string or isn't a |
| 2149 | valid color name, do nothing. OLDVAL is the old value of the frame |
| 2150 | parameter. */ |
| 2151 | |
| 2152 | void |
| 2153 | x_set_scroll_bar_background (f, value, oldval) |
| 2154 | struct frame *f; |
| 2155 | Lisp_Object value, oldval; |
| 2156 | { |
| 2157 | unsigned long pixel; |
| 2158 | |
| 2159 | if (STRINGP (value)) |
| 2160 | pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f)); |
| 2161 | else |
| 2162 | pixel = -1; |
| 2163 | |
| 2164 | if (f->output_data.x->scroll_bar_background_pixel != -1) |
| 2165 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); |
| 2166 | |
| 2167 | #ifdef USE_TOOLKIT_SCROLL_BARS |
| 2168 | /* Scrollbar shadow colors. */ |
| 2169 | if (f->output_data.x->scroll_bar_top_shadow_pixel != -1) |
| 2170 | { |
| 2171 | unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel); |
| 2172 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; |
| 2173 | } |
| 2174 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1) |
| 2175 | { |
| 2176 | unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel); |
| 2177 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; |
| 2178 | } |
| 2179 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
| 2180 | |
| 2181 | f->output_data.x->scroll_bar_background_pixel = pixel; |
| 2182 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) |
| 2183 | { |
| 2184 | /* Remove all scroll bars because they have wrong colors. */ |
| 2185 | if (condemn_scroll_bars_hook) |
| 2186 | (*condemn_scroll_bars_hook) (f); |
| 2187 | if (judge_scroll_bars_hook) |
| 2188 | (*judge_scroll_bars_hook) (f); |
| 2189 | |
| 2190 | update_face_from_frame_parameter (f, Qscroll_bar_background, value); |
| 2191 | redraw_frame (f); |
| 2192 | } |
| 2193 | } |
| 2194 | |
| 2195 | \f |
| 2196 | /* Encode Lisp string STRING as a text in a format appropriate for |
| 2197 | XICCC (X Inter Client Communication Conventions). |
| 2198 | |
| 2199 | If STRING contains only ASCII characters, do no conversion and |
| 2200 | return the string data of STRING. Otherwise, encode the text by |
| 2201 | CODING_SYSTEM, and return a newly allocated memory area which |
| 2202 | should be freed by `xfree' by a caller. |
| 2203 | |
| 2204 | Store the byte length of resulting text in *TEXT_BYTES. |
| 2205 | |
| 2206 | If the text contains only ASCII and Latin-1, store 1 in *STRING_P, |
| 2207 | which means that the `encoding' of the result can be `STRING'. |
| 2208 | Otherwise store 0 in *STRINGP, which means that the `encoding' of |
| 2209 | the result should be `COMPOUND_TEXT'. */ |
| 2210 | |
| 2211 | unsigned char * |
| 2212 | x_encode_text (string, coding_system, text_bytes, stringp) |
| 2213 | Lisp_Object string, coding_system; |
| 2214 | int *text_bytes, *stringp; |
| 2215 | { |
| 2216 | unsigned char *str = XSTRING (string)->data; |
| 2217 | int chars = XSTRING (string)->size; |
| 2218 | int bytes = STRING_BYTES (XSTRING (string)); |
| 2219 | int charset_info; |
| 2220 | int bufsize; |
| 2221 | unsigned char *buf; |
| 2222 | struct coding_system coding; |
| 2223 | |
| 2224 | charset_info = find_charset_in_text (str, chars, bytes, NULL, Qnil); |
| 2225 | if (charset_info == 0) |
| 2226 | { |
| 2227 | /* No multibyte character in OBJ. We need not encode it. */ |
| 2228 | *text_bytes = bytes; |
| 2229 | *stringp = 1; |
| 2230 | return str; |
| 2231 | } |
| 2232 | |
| 2233 | setup_coding_system (coding_system, &coding); |
| 2234 | coding.src_multibyte = 1; |
| 2235 | coding.dst_multibyte = 0; |
| 2236 | coding.mode |= CODING_MODE_LAST_BLOCK; |
| 2237 | if (coding.type == coding_type_iso2022) |
| 2238 | coding.flags |= CODING_FLAG_ISO_SAFE; |
| 2239 | /* We suppress producing escape sequences for composition. */ |
| 2240 | coding.composing = COMPOSITION_DISABLED; |
| 2241 | bufsize = encoding_buffer_size (&coding, bytes); |
| 2242 | buf = (unsigned char *) xmalloc (bufsize); |
| 2243 | encode_coding (&coding, str, buf, bytes, bufsize); |
| 2244 | *text_bytes = coding.produced; |
| 2245 | *stringp = (charset_info == 1 || !EQ (coding_system, Qcompound_text)); |
| 2246 | return buf; |
| 2247 | } |
| 2248 | |
| 2249 | \f |
| 2250 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
| 2251 | x_id_name. |
| 2252 | |
| 2253 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
| 2254 | name; if NAME is a string, set F's name to NAME and set |
| 2255 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. |
| 2256 | |
| 2257 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
| 2258 | suggesting a new name, which lisp code should override; if |
| 2259 | F->explicit_name is set, ignore the new name; otherwise, set it. */ |
| 2260 | |
| 2261 | void |
| 2262 | x_set_name (f, name, explicit) |
| 2263 | struct frame *f; |
| 2264 | Lisp_Object name; |
| 2265 | int explicit; |
| 2266 | { |
| 2267 | /* Make sure that requests from lisp code override requests from |
| 2268 | Emacs redisplay code. */ |
| 2269 | if (explicit) |
| 2270 | { |
| 2271 | /* If we're switching from explicit to implicit, we had better |
| 2272 | update the mode lines and thereby update the title. */ |
| 2273 | if (f->explicit_name && NILP (name)) |
| 2274 | update_mode_lines = 1; |
| 2275 | |
| 2276 | f->explicit_name = ! NILP (name); |
| 2277 | } |
| 2278 | else if (f->explicit_name) |
| 2279 | return; |
| 2280 | |
| 2281 | /* If NAME is nil, set the name to the x_id_name. */ |
| 2282 | if (NILP (name)) |
| 2283 | { |
| 2284 | /* Check for no change needed in this very common case |
| 2285 | before we do any consing. */ |
| 2286 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, |
| 2287 | XSTRING (f->name)->data)) |
| 2288 | return; |
| 2289 | name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); |
| 2290 | } |
| 2291 | else |
| 2292 | CHECK_STRING (name, 0); |
| 2293 | |
| 2294 | /* Don't change the name if it's already NAME. */ |
| 2295 | if (! NILP (Fstring_equal (name, f->name))) |
| 2296 | return; |
| 2297 | |
| 2298 | f->name = name; |
| 2299 | |
| 2300 | /* For setting the frame title, the title parameter should override |
| 2301 | the name parameter. */ |
| 2302 | if (! NILP (f->title)) |
| 2303 | name = f->title; |
| 2304 | |
| 2305 | if (FRAME_X_WINDOW (f)) |
| 2306 | { |
| 2307 | BLOCK_INPUT; |
| 2308 | #ifdef HAVE_X11R4 |
| 2309 | { |
| 2310 | XTextProperty text, icon; |
| 2311 | int bytes, stringp; |
| 2312 | Lisp_Object coding_system; |
| 2313 | |
| 2314 | coding_system = Vlocale_coding_system; |
| 2315 | if (NILP (coding_system)) |
| 2316 | coding_system = Qcompound_text; |
| 2317 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); |
| 2318 | text.encoding = (stringp ? XA_STRING |
| 2319 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
| 2320 | text.format = 8; |
| 2321 | text.nitems = bytes; |
| 2322 | |
| 2323 | if (NILP (f->icon_name)) |
| 2324 | { |
| 2325 | icon = text; |
| 2326 | } |
| 2327 | else |
| 2328 | { |
| 2329 | icon.value = x_encode_text (f->icon_name, coding_system, |
| 2330 | &bytes, &stringp); |
| 2331 | icon.encoding = (stringp ? XA_STRING |
| 2332 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
| 2333 | icon.format = 8; |
| 2334 | icon.nitems = bytes; |
| 2335 | } |
| 2336 | #ifdef USE_X_TOOLKIT |
| 2337 | XSetWMName (FRAME_X_DISPLAY (f), |
| 2338 | XtWindow (f->output_data.x->widget), &text); |
| 2339 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
| 2340 | &icon); |
| 2341 | #else /* not USE_X_TOOLKIT */ |
| 2342 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); |
| 2343 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); |
| 2344 | #endif /* not USE_X_TOOLKIT */ |
| 2345 | if (!NILP (f->icon_name) |
| 2346 | && icon.value != XSTRING (f->icon_name)->data) |
| 2347 | xfree (icon.value); |
| 2348 | if (text.value != XSTRING (name)->data) |
| 2349 | xfree (text.value); |
| 2350 | } |
| 2351 | #else /* not HAVE_X11R4 */ |
| 2352 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 2353 | XSTRING (name)->data); |
| 2354 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 2355 | XSTRING (name)->data); |
| 2356 | #endif /* not HAVE_X11R4 */ |
| 2357 | UNBLOCK_INPUT; |
| 2358 | } |
| 2359 | } |
| 2360 | |
| 2361 | /* This function should be called when the user's lisp code has |
| 2362 | specified a name for the frame; the name will override any set by the |
| 2363 | redisplay code. */ |
| 2364 | void |
| 2365 | x_explicitly_set_name (f, arg, oldval) |
| 2366 | FRAME_PTR f; |
| 2367 | Lisp_Object arg, oldval; |
| 2368 | { |
| 2369 | x_set_name (f, arg, 1); |
| 2370 | } |
| 2371 | |
| 2372 | /* This function should be called by Emacs redisplay code to set the |
| 2373 | name; names set this way will never override names set by the user's |
| 2374 | lisp code. */ |
| 2375 | void |
| 2376 | x_implicitly_set_name (f, arg, oldval) |
| 2377 | FRAME_PTR f; |
| 2378 | Lisp_Object arg, oldval; |
| 2379 | { |
| 2380 | x_set_name (f, arg, 0); |
| 2381 | } |
| 2382 | \f |
| 2383 | /* Change the title of frame F to NAME. |
| 2384 | If NAME is nil, use the frame name as the title. |
| 2385 | |
| 2386 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
| 2387 | name; if NAME is a string, set F's name to NAME and set |
| 2388 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. |
| 2389 | |
| 2390 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
| 2391 | suggesting a new name, which lisp code should override; if |
| 2392 | F->explicit_name is set, ignore the new name; otherwise, set it. */ |
| 2393 | |
| 2394 | void |
| 2395 | x_set_title (f, name, old_name) |
| 2396 | struct frame *f; |
| 2397 | Lisp_Object name, old_name; |
| 2398 | { |
| 2399 | /* Don't change the title if it's already NAME. */ |
| 2400 | if (EQ (name, f->title)) |
| 2401 | return; |
| 2402 | |
| 2403 | update_mode_lines = 1; |
| 2404 | |
| 2405 | f->title = name; |
| 2406 | |
| 2407 | if (NILP (name)) |
| 2408 | name = f->name; |
| 2409 | else |
| 2410 | CHECK_STRING (name, 0); |
| 2411 | |
| 2412 | if (FRAME_X_WINDOW (f)) |
| 2413 | { |
| 2414 | BLOCK_INPUT; |
| 2415 | #ifdef HAVE_X11R4 |
| 2416 | { |
| 2417 | XTextProperty text, icon; |
| 2418 | int bytes, stringp; |
| 2419 | Lisp_Object coding_system; |
| 2420 | |
| 2421 | coding_system = Vlocale_coding_system; |
| 2422 | if (NILP (coding_system)) |
| 2423 | coding_system = Qcompound_text; |
| 2424 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); |
| 2425 | text.encoding = (stringp ? XA_STRING |
| 2426 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
| 2427 | text.format = 8; |
| 2428 | text.nitems = bytes; |
| 2429 | |
| 2430 | if (NILP (f->icon_name)) |
| 2431 | { |
| 2432 | icon = text; |
| 2433 | } |
| 2434 | else |
| 2435 | { |
| 2436 | icon.value = x_encode_text (f->icon_name, coding_system, |
| 2437 | &bytes, &stringp); |
| 2438 | icon.encoding = (stringp ? XA_STRING |
| 2439 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
| 2440 | icon.format = 8; |
| 2441 | icon.nitems = bytes; |
| 2442 | } |
| 2443 | #ifdef USE_X_TOOLKIT |
| 2444 | XSetWMName (FRAME_X_DISPLAY (f), |
| 2445 | XtWindow (f->output_data.x->widget), &text); |
| 2446 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
| 2447 | &icon); |
| 2448 | #else /* not USE_X_TOOLKIT */ |
| 2449 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); |
| 2450 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); |
| 2451 | #endif /* not USE_X_TOOLKIT */ |
| 2452 | if (!NILP (f->icon_name) |
| 2453 | && icon.value != XSTRING (f->icon_name)->data) |
| 2454 | xfree (icon.value); |
| 2455 | if (text.value != XSTRING (name)->data) |
| 2456 | xfree (text.value); |
| 2457 | } |
| 2458 | #else /* not HAVE_X11R4 */ |
| 2459 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 2460 | XSTRING (name)->data); |
| 2461 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 2462 | XSTRING (name)->data); |
| 2463 | #endif /* not HAVE_X11R4 */ |
| 2464 | UNBLOCK_INPUT; |
| 2465 | } |
| 2466 | } |
| 2467 | \f |
| 2468 | void |
| 2469 | x_set_autoraise (f, arg, oldval) |
| 2470 | struct frame *f; |
| 2471 | Lisp_Object arg, oldval; |
| 2472 | { |
| 2473 | f->auto_raise = !EQ (Qnil, arg); |
| 2474 | } |
| 2475 | |
| 2476 | void |
| 2477 | x_set_autolower (f, arg, oldval) |
| 2478 | struct frame *f; |
| 2479 | Lisp_Object arg, oldval; |
| 2480 | { |
| 2481 | f->auto_lower = !EQ (Qnil, arg); |
| 2482 | } |
| 2483 | |
| 2484 | void |
| 2485 | x_set_unsplittable (f, arg, oldval) |
| 2486 | struct frame *f; |
| 2487 | Lisp_Object arg, oldval; |
| 2488 | { |
| 2489 | f->no_split = !NILP (arg); |
| 2490 | } |
| 2491 | |
| 2492 | void |
| 2493 | x_set_vertical_scroll_bars (f, arg, oldval) |
| 2494 | struct frame *f; |
| 2495 | Lisp_Object arg, oldval; |
| 2496 | { |
| 2497 | if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
| 2498 | || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) |
| 2499 | || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
| 2500 | || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))) |
| 2501 | { |
| 2502 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) |
| 2503 | = (NILP (arg) |
| 2504 | ? vertical_scroll_bar_none |
| 2505 | : EQ (Qright, arg) |
| 2506 | ? vertical_scroll_bar_right |
| 2507 | : vertical_scroll_bar_left); |
| 2508 | |
| 2509 | /* We set this parameter before creating the X window for the |
| 2510 | frame, so we can get the geometry right from the start. |
| 2511 | However, if the window hasn't been created yet, we shouldn't |
| 2512 | call x_set_window_size. */ |
| 2513 | if (FRAME_X_WINDOW (f)) |
| 2514 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2515 | do_pending_window_change (0); |
| 2516 | } |
| 2517 | } |
| 2518 | |
| 2519 | void |
| 2520 | x_set_scroll_bar_width (f, arg, oldval) |
| 2521 | struct frame *f; |
| 2522 | Lisp_Object arg, oldval; |
| 2523 | { |
| 2524 | int wid = FONT_WIDTH (f->output_data.x->font); |
| 2525 | |
| 2526 | if (NILP (arg)) |
| 2527 | { |
| 2528 | #ifdef USE_TOOLKIT_SCROLL_BARS |
| 2529 | /* A minimum width of 14 doesn't look good for toolkit scroll bars. */ |
| 2530 | int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
| 2531 | FRAME_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid; |
| 2532 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = width; |
| 2533 | #else |
| 2534 | /* Make the actual width at least 14 pixels and a multiple of a |
| 2535 | character width. */ |
| 2536 | FRAME_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
| 2537 | |
| 2538 | /* Use all of that space (aside from required margins) for the |
| 2539 | scroll bar. */ |
| 2540 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0; |
| 2541 | #endif |
| 2542 | |
| 2543 | if (FRAME_X_WINDOW (f)) |
| 2544 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2545 | do_pending_window_change (0); |
| 2546 | } |
| 2547 | else if (INTEGERP (arg) && XINT (arg) > 0 |
| 2548 | && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f)) |
| 2549 | { |
| 2550 | if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
| 2551 | XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1); |
| 2552 | |
| 2553 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg); |
| 2554 | FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid; |
| 2555 | if (FRAME_X_WINDOW (f)) |
| 2556 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
| 2557 | } |
| 2558 | |
| 2559 | change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0); |
| 2560 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0; |
| 2561 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0; |
| 2562 | } |
| 2563 | |
| 2564 | |
| 2565 | \f |
| 2566 | /* Subroutines of creating an X frame. */ |
| 2567 | |
| 2568 | /* Make sure that Vx_resource_name is set to a reasonable value. |
| 2569 | Fix it up, or set it to `emacs' if it is too hopeless. */ |
| 2570 | |
| 2571 | static void |
| 2572 | validate_x_resource_name () |
| 2573 | { |
| 2574 | int len = 0; |
| 2575 | /* Number of valid characters in the resource name. */ |
| 2576 | int good_count = 0; |
| 2577 | /* Number of invalid characters in the resource name. */ |
| 2578 | int bad_count = 0; |
| 2579 | Lisp_Object new; |
| 2580 | int i; |
| 2581 | |
| 2582 | if (!STRINGP (Vx_resource_class)) |
| 2583 | Vx_resource_class = build_string (EMACS_CLASS); |
| 2584 | |
| 2585 | if (STRINGP (Vx_resource_name)) |
| 2586 | { |
| 2587 | unsigned char *p = XSTRING (Vx_resource_name)->data; |
| 2588 | int i; |
| 2589 | |
| 2590 | len = STRING_BYTES (XSTRING (Vx_resource_name)); |
| 2591 | |
| 2592 | /* Only letters, digits, - and _ are valid in resource names. |
| 2593 | Count the valid characters and count the invalid ones. */ |
| 2594 | for (i = 0; i < len; i++) |
| 2595 | { |
| 2596 | int c = p[i]; |
| 2597 | if (! ((c >= 'a' && c <= 'z') |
| 2598 | || (c >= 'A' && c <= 'Z') |
| 2599 | || (c >= '0' && c <= '9') |
| 2600 | || c == '-' || c == '_')) |
| 2601 | bad_count++; |
| 2602 | else |
| 2603 | good_count++; |
| 2604 | } |
| 2605 | } |
| 2606 | else |
| 2607 | /* Not a string => completely invalid. */ |
| 2608 | bad_count = 5, good_count = 0; |
| 2609 | |
| 2610 | /* If name is valid already, return. */ |
| 2611 | if (bad_count == 0) |
| 2612 | return; |
| 2613 | |
| 2614 | /* If name is entirely invalid, or nearly so, use `emacs'. */ |
| 2615 | if (good_count == 0 |
| 2616 | || (good_count == 1 && bad_count > 0)) |
| 2617 | { |
| 2618 | Vx_resource_name = build_string ("emacs"); |
| 2619 | return; |
| 2620 | } |
| 2621 | |
| 2622 | /* Name is partly valid. Copy it and replace the invalid characters |
| 2623 | with underscores. */ |
| 2624 | |
| 2625 | Vx_resource_name = new = Fcopy_sequence (Vx_resource_name); |
| 2626 | |
| 2627 | for (i = 0; i < len; i++) |
| 2628 | { |
| 2629 | int c = XSTRING (new)->data[i]; |
| 2630 | if (! ((c >= 'a' && c <= 'z') |
| 2631 | || (c >= 'A' && c <= 'Z') |
| 2632 | || (c >= '0' && c <= '9') |
| 2633 | || c == '-' || c == '_')) |
| 2634 | XSTRING (new)->data[i] = '_'; |
| 2635 | } |
| 2636 | } |
| 2637 | |
| 2638 | |
| 2639 | extern char *x_get_string_resource (); |
| 2640 | |
| 2641 | DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0, |
| 2642 | doc: /* Return the value of ATTRIBUTE, of class CLASS, from the X defaults database. |
| 2643 | This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the |
| 2644 | class, where INSTANCE is the name under which Emacs was invoked, or |
| 2645 | the name specified by the `-name' or `-rn' command-line arguments. |
| 2646 | |
| 2647 | The optional arguments COMPONENT and SUBCLASS add to the key and the |
| 2648 | class, respectively. You must specify both of them or neither. |
| 2649 | If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE' |
| 2650 | and the class is `Emacs.CLASS.SUBCLASS'. */) |
| 2651 | (attribute, class, component, subclass) |
| 2652 | Lisp_Object attribute, class, component, subclass; |
| 2653 | { |
| 2654 | register char *value; |
| 2655 | char *name_key; |
| 2656 | char *class_key; |
| 2657 | |
| 2658 | check_x (); |
| 2659 | |
| 2660 | CHECK_STRING (attribute, 0); |
| 2661 | CHECK_STRING (class, 0); |
| 2662 | |
| 2663 | if (!NILP (component)) |
| 2664 | CHECK_STRING (component, 1); |
| 2665 | if (!NILP (subclass)) |
| 2666 | CHECK_STRING (subclass, 2); |
| 2667 | if (NILP (component) != NILP (subclass)) |
| 2668 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); |
| 2669 | |
| 2670 | validate_x_resource_name (); |
| 2671 | |
| 2672 | /* Allocate space for the components, the dots which separate them, |
| 2673 | and the final '\0'. Make them big enough for the worst case. */ |
| 2674 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
| 2675 | + (STRINGP (component) |
| 2676 | ? STRING_BYTES (XSTRING (component)) : 0) |
| 2677 | + STRING_BYTES (XSTRING (attribute)) |
| 2678 | + 3); |
| 2679 | |
| 2680 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
| 2681 | + STRING_BYTES (XSTRING (class)) |
| 2682 | + (STRINGP (subclass) |
| 2683 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
| 2684 | + 3); |
| 2685 | |
| 2686 | /* Start with emacs.FRAMENAME for the name (the specific one) |
| 2687 | and with `Emacs' for the class key (the general one). */ |
| 2688 | strcpy (name_key, XSTRING (Vx_resource_name)->data); |
| 2689 | strcpy (class_key, XSTRING (Vx_resource_class)->data); |
| 2690 | |
| 2691 | strcat (class_key, "."); |
| 2692 | strcat (class_key, XSTRING (class)->data); |
| 2693 | |
| 2694 | if (!NILP (component)) |
| 2695 | { |
| 2696 | strcat (class_key, "."); |
| 2697 | strcat (class_key, XSTRING (subclass)->data); |
| 2698 | |
| 2699 | strcat (name_key, "."); |
| 2700 | strcat (name_key, XSTRING (component)->data); |
| 2701 | } |
| 2702 | |
| 2703 | strcat (name_key, "."); |
| 2704 | strcat (name_key, XSTRING (attribute)->data); |
| 2705 | |
| 2706 | value = x_get_string_resource (check_x_display_info (Qnil)->xrdb, |
| 2707 | name_key, class_key); |
| 2708 | |
| 2709 | if (value != (char *) 0) |
| 2710 | return build_string (value); |
| 2711 | else |
| 2712 | return Qnil; |
| 2713 | } |
| 2714 | |
| 2715 | /* Get an X resource, like Fx_get_resource, but for display DPYINFO. */ |
| 2716 | |
| 2717 | Lisp_Object |
| 2718 | display_x_get_resource (dpyinfo, attribute, class, component, subclass) |
| 2719 | struct x_display_info *dpyinfo; |
| 2720 | Lisp_Object attribute, class, component, subclass; |
| 2721 | { |
| 2722 | register char *value; |
| 2723 | char *name_key; |
| 2724 | char *class_key; |
| 2725 | |
| 2726 | CHECK_STRING (attribute, 0); |
| 2727 | CHECK_STRING (class, 0); |
| 2728 | |
| 2729 | if (!NILP (component)) |
| 2730 | CHECK_STRING (component, 1); |
| 2731 | if (!NILP (subclass)) |
| 2732 | CHECK_STRING (subclass, 2); |
| 2733 | if (NILP (component) != NILP (subclass)) |
| 2734 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); |
| 2735 | |
| 2736 | validate_x_resource_name (); |
| 2737 | |
| 2738 | /* Allocate space for the components, the dots which separate them, |
| 2739 | and the final '\0'. Make them big enough for the worst case. */ |
| 2740 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
| 2741 | + (STRINGP (component) |
| 2742 | ? STRING_BYTES (XSTRING (component)) : 0) |
| 2743 | + STRING_BYTES (XSTRING (attribute)) |
| 2744 | + 3); |
| 2745 | |
| 2746 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
| 2747 | + STRING_BYTES (XSTRING (class)) |
| 2748 | + (STRINGP (subclass) |
| 2749 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
| 2750 | + 3); |
| 2751 | |
| 2752 | /* Start with emacs.FRAMENAME for the name (the specific one) |
| 2753 | and with `Emacs' for the class key (the general one). */ |
| 2754 | strcpy (name_key, XSTRING (Vx_resource_name)->data); |
| 2755 | strcpy (class_key, XSTRING (Vx_resource_class)->data); |
| 2756 | |
| 2757 | strcat (class_key, "."); |
| 2758 | strcat (class_key, XSTRING (class)->data); |
| 2759 | |
| 2760 | if (!NILP (component)) |
| 2761 | { |
| 2762 | strcat (class_key, "."); |
| 2763 | strcat (class_key, XSTRING (subclass)->data); |
| 2764 | |
| 2765 | strcat (name_key, "."); |
| 2766 | strcat (name_key, XSTRING (component)->data); |
| 2767 | } |
| 2768 | |
| 2769 | strcat (name_key, "."); |
| 2770 | strcat (name_key, XSTRING (attribute)->data); |
| 2771 | |
| 2772 | value = x_get_string_resource (dpyinfo->xrdb, name_key, class_key); |
| 2773 | |
| 2774 | if (value != (char *) 0) |
| 2775 | return build_string (value); |
| 2776 | else |
| 2777 | return Qnil; |
| 2778 | } |
| 2779 | |
| 2780 | /* Used when C code wants a resource value. */ |
| 2781 | |
| 2782 | char * |
| 2783 | x_get_resource_string (attribute, class) |
| 2784 | char *attribute, *class; |
| 2785 | { |
| 2786 | char *name_key; |
| 2787 | char *class_key; |
| 2788 | struct frame *sf = SELECTED_FRAME (); |
| 2789 | |
| 2790 | /* Allocate space for the components, the dots which separate them, |
| 2791 | and the final '\0'. */ |
| 2792 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name)) |
| 2793 | + strlen (attribute) + 2); |
| 2794 | class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) |
| 2795 | + strlen (class) + 2); |
| 2796 | |
| 2797 | sprintf (name_key, "%s.%s", |
| 2798 | XSTRING (Vinvocation_name)->data, |
| 2799 | attribute); |
| 2800 | sprintf (class_key, "%s.%s", EMACS_CLASS, class); |
| 2801 | |
| 2802 | return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb, |
| 2803 | name_key, class_key); |
| 2804 | } |
| 2805 | |
| 2806 | /* Types we might convert a resource string into. */ |
| 2807 | enum resource_types |
| 2808 | { |
| 2809 | RES_TYPE_NUMBER, |
| 2810 | RES_TYPE_FLOAT, |
| 2811 | RES_TYPE_BOOLEAN, |
| 2812 | RES_TYPE_STRING, |
| 2813 | RES_TYPE_SYMBOL |
| 2814 | }; |
| 2815 | |
| 2816 | /* Return the value of parameter PARAM. |
| 2817 | |
| 2818 | First search ALIST, then Vdefault_frame_alist, then the X defaults |
| 2819 | database, using ATTRIBUTE as the attribute name and CLASS as its class. |
| 2820 | |
| 2821 | Convert the resource to the type specified by desired_type. |
| 2822 | |
| 2823 | If no default is specified, return Qunbound. If you call |
| 2824 | x_get_arg, make sure you deal with Qunbound in a reasonable way, |
| 2825 | and don't let it get stored in any Lisp-visible variables! */ |
| 2826 | |
| 2827 | static Lisp_Object |
| 2828 | x_get_arg (dpyinfo, alist, param, attribute, class, type) |
| 2829 | struct x_display_info *dpyinfo; |
| 2830 | Lisp_Object alist, param; |
| 2831 | char *attribute; |
| 2832 | char *class; |
| 2833 | enum resource_types type; |
| 2834 | { |
| 2835 | register Lisp_Object tem; |
| 2836 | |
| 2837 | tem = Fassq (param, alist); |
| 2838 | if (EQ (tem, Qnil)) |
| 2839 | tem = Fassq (param, Vdefault_frame_alist); |
| 2840 | if (EQ (tem, Qnil)) |
| 2841 | { |
| 2842 | |
| 2843 | if (attribute) |
| 2844 | { |
| 2845 | tem = display_x_get_resource (dpyinfo, |
| 2846 | build_string (attribute), |
| 2847 | build_string (class), |
| 2848 | Qnil, Qnil); |
| 2849 | |
| 2850 | if (NILP (tem)) |
| 2851 | return Qunbound; |
| 2852 | |
| 2853 | switch (type) |
| 2854 | { |
| 2855 | case RES_TYPE_NUMBER: |
| 2856 | return make_number (atoi (XSTRING (tem)->data)); |
| 2857 | |
| 2858 | case RES_TYPE_FLOAT: |
| 2859 | return make_float (atof (XSTRING (tem)->data)); |
| 2860 | |
| 2861 | case RES_TYPE_BOOLEAN: |
| 2862 | tem = Fdowncase (tem); |
| 2863 | if (!strcmp (XSTRING (tem)->data, "on") |
| 2864 | || !strcmp (XSTRING (tem)->data, "true")) |
| 2865 | return Qt; |
| 2866 | else |
| 2867 | return Qnil; |
| 2868 | |
| 2869 | case RES_TYPE_STRING: |
| 2870 | return tem; |
| 2871 | |
| 2872 | case RES_TYPE_SYMBOL: |
| 2873 | /* As a special case, we map the values `true' and `on' |
| 2874 | to Qt, and `false' and `off' to Qnil. */ |
| 2875 | { |
| 2876 | Lisp_Object lower; |
| 2877 | lower = Fdowncase (tem); |
| 2878 | if (!strcmp (XSTRING (lower)->data, "on") |
| 2879 | || !strcmp (XSTRING (lower)->data, "true")) |
| 2880 | return Qt; |
| 2881 | else if (!strcmp (XSTRING (lower)->data, "off") |
| 2882 | || !strcmp (XSTRING (lower)->data, "false")) |
| 2883 | return Qnil; |
| 2884 | else |
| 2885 | return Fintern (tem, Qnil); |
| 2886 | } |
| 2887 | |
| 2888 | default: |
| 2889 | abort (); |
| 2890 | } |
| 2891 | } |
| 2892 | else |
| 2893 | return Qunbound; |
| 2894 | } |
| 2895 | return Fcdr (tem); |
| 2896 | } |
| 2897 | |
| 2898 | /* Like x_get_arg, but also record the value in f->param_alist. */ |
| 2899 | |
| 2900 | static Lisp_Object |
| 2901 | x_get_and_record_arg (f, alist, param, attribute, class, type) |
| 2902 | struct frame *f; |
| 2903 | Lisp_Object alist, param; |
| 2904 | char *attribute; |
| 2905 | char *class; |
| 2906 | enum resource_types type; |
| 2907 | { |
| 2908 | Lisp_Object value; |
| 2909 | |
| 2910 | value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param, |
| 2911 | attribute, class, type); |
| 2912 | if (! NILP (value)) |
| 2913 | store_frame_param (f, param, value); |
| 2914 | |
| 2915 | return value; |
| 2916 | } |
| 2917 | |
| 2918 | /* Record in frame F the specified or default value according to ALIST |
| 2919 | of the parameter named PROP (a Lisp symbol). |
| 2920 | If no value is specified for PROP, look for an X default for XPROP |
| 2921 | on the frame named NAME. |
| 2922 | If that is not found either, use the value DEFLT. */ |
| 2923 | |
| 2924 | static Lisp_Object |
| 2925 | x_default_parameter (f, alist, prop, deflt, xprop, xclass, type) |
| 2926 | struct frame *f; |
| 2927 | Lisp_Object alist; |
| 2928 | Lisp_Object prop; |
| 2929 | Lisp_Object deflt; |
| 2930 | char *xprop; |
| 2931 | char *xclass; |
| 2932 | enum resource_types type; |
| 2933 | { |
| 2934 | Lisp_Object tem; |
| 2935 | |
| 2936 | tem = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, prop, xprop, xclass, type); |
| 2937 | if (EQ (tem, Qunbound)) |
| 2938 | tem = deflt; |
| 2939 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); |
| 2940 | return tem; |
| 2941 | } |
| 2942 | |
| 2943 | |
| 2944 | /* Record in frame F the specified or default value according to ALIST |
| 2945 | of the parameter named PROP (a Lisp symbol). If no value is |
| 2946 | specified for PROP, look for an X default for XPROP on the frame |
| 2947 | named NAME. If that is not found either, use the value DEFLT. */ |
| 2948 | |
| 2949 | static Lisp_Object |
| 2950 | x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass, |
| 2951 | foreground_p) |
| 2952 | struct frame *f; |
| 2953 | Lisp_Object alist; |
| 2954 | Lisp_Object prop; |
| 2955 | char *xprop; |
| 2956 | char *xclass; |
| 2957 | int foreground_p; |
| 2958 | { |
| 2959 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 2960 | Lisp_Object tem; |
| 2961 | |
| 2962 | tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING); |
| 2963 | if (EQ (tem, Qunbound)) |
| 2964 | { |
| 2965 | #ifdef USE_TOOLKIT_SCROLL_BARS |
| 2966 | |
| 2967 | /* See if an X resource for the scroll bar color has been |
| 2968 | specified. */ |
| 2969 | tem = display_x_get_resource (dpyinfo, |
| 2970 | build_string (foreground_p |
| 2971 | ? "foreground" |
| 2972 | : "background"), |
| 2973 | empty_string, |
| 2974 | build_string ("verticalScrollBar"), |
| 2975 | empty_string); |
| 2976 | if (!STRINGP (tem)) |
| 2977 | { |
| 2978 | /* If nothing has been specified, scroll bars will use a |
| 2979 | toolkit-dependent default. Because these defaults are |
| 2980 | difficult to get at without actually creating a scroll |
| 2981 | bar, use nil to indicate that no color has been |
| 2982 | specified. */ |
| 2983 | tem = Qnil; |
| 2984 | } |
| 2985 | |
| 2986 | #else /* not USE_TOOLKIT_SCROLL_BARS */ |
| 2987 | |
| 2988 | tem = Qnil; |
| 2989 | |
| 2990 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
| 2991 | } |
| 2992 | |
| 2993 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); |
| 2994 | return tem; |
| 2995 | } |
| 2996 | |
| 2997 | |
| 2998 | \f |
| 2999 | DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0, |
| 3000 | doc: /* Parse an X-style geometry string STRING. |
| 3001 | Returns an alist of the form ((top . TOP), (left . LEFT) ... ). |
| 3002 | The properties returned may include `top', `left', `height', and `width'. |
| 3003 | The value of `left' or `top' may be an integer, |
| 3004 | or a list (+ N) meaning N pixels relative to top/left corner, |
| 3005 | or a list (- N) meaning -N pixels relative to bottom/right corner. */) |
| 3006 | (string) |
| 3007 | Lisp_Object string; |
| 3008 | { |
| 3009 | int geometry, x, y; |
| 3010 | unsigned int width, height; |
| 3011 | Lisp_Object result; |
| 3012 | |
| 3013 | CHECK_STRING (string, 0); |
| 3014 | |
| 3015 | geometry = XParseGeometry ((char *) XSTRING (string)->data, |
| 3016 | &x, &y, &width, &height); |
| 3017 | |
| 3018 | #if 0 |
| 3019 | if (!!(geometry & XValue) != !!(geometry & YValue)) |
| 3020 | error ("Must specify both x and y position, or neither"); |
| 3021 | #endif |
| 3022 | |
| 3023 | result = Qnil; |
| 3024 | if (geometry & XValue) |
| 3025 | { |
| 3026 | Lisp_Object element; |
| 3027 | |
| 3028 | if (x >= 0 && (geometry & XNegative)) |
| 3029 | element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil))); |
| 3030 | else if (x < 0 && ! (geometry & XNegative)) |
| 3031 | element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil))); |
| 3032 | else |
| 3033 | element = Fcons (Qleft, make_number (x)); |
| 3034 | result = Fcons (element, result); |
| 3035 | } |
| 3036 | |
| 3037 | if (geometry & YValue) |
| 3038 | { |
| 3039 | Lisp_Object element; |
| 3040 | |
| 3041 | if (y >= 0 && (geometry & YNegative)) |
| 3042 | element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil))); |
| 3043 | else if (y < 0 && ! (geometry & YNegative)) |
| 3044 | element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil))); |
| 3045 | else |
| 3046 | element = Fcons (Qtop, make_number (y)); |
| 3047 | result = Fcons (element, result); |
| 3048 | } |
| 3049 | |
| 3050 | if (geometry & WidthValue) |
| 3051 | result = Fcons (Fcons (Qwidth, make_number (width)), result); |
| 3052 | if (geometry & HeightValue) |
| 3053 | result = Fcons (Fcons (Qheight, make_number (height)), result); |
| 3054 | |
| 3055 | return result; |
| 3056 | } |
| 3057 | |
| 3058 | /* Calculate the desired size and position of this window, |
| 3059 | and return the flags saying which aspects were specified. |
| 3060 | |
| 3061 | This function does not make the coordinates positive. */ |
| 3062 | |
| 3063 | #define DEFAULT_ROWS 40 |
| 3064 | #define DEFAULT_COLS 80 |
| 3065 | |
| 3066 | static int |
| 3067 | x_figure_window_size (f, parms) |
| 3068 | struct frame *f; |
| 3069 | Lisp_Object parms; |
| 3070 | { |
| 3071 | register Lisp_Object tem0, tem1, tem2; |
| 3072 | long window_prompting = 0; |
| 3073 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 3074 | |
| 3075 | /* Default values if we fall through. |
| 3076 | Actually, if that happens we should get |
| 3077 | window manager prompting. */ |
| 3078 | SET_FRAME_WIDTH (f, DEFAULT_COLS); |
| 3079 | f->height = DEFAULT_ROWS; |
| 3080 | /* Window managers expect that if program-specified |
| 3081 | positions are not (0,0), they're intentional, not defaults. */ |
| 3082 | f->output_data.x->top_pos = 0; |
| 3083 | f->output_data.x->left_pos = 0; |
| 3084 | |
| 3085 | tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER); |
| 3086 | tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER); |
| 3087 | tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER); |
| 3088 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
| 3089 | { |
| 3090 | if (!EQ (tem0, Qunbound)) |
| 3091 | { |
| 3092 | CHECK_NUMBER (tem0, 0); |
| 3093 | f->height = XINT (tem0); |
| 3094 | } |
| 3095 | if (!EQ (tem1, Qunbound)) |
| 3096 | { |
| 3097 | CHECK_NUMBER (tem1, 0); |
| 3098 | SET_FRAME_WIDTH (f, XINT (tem1)); |
| 3099 | } |
| 3100 | if (!NILP (tem2) && !EQ (tem2, Qunbound)) |
| 3101 | window_prompting |= USSize; |
| 3102 | else |
| 3103 | window_prompting |= PSize; |
| 3104 | } |
| 3105 | |
| 3106 | f->output_data.x->vertical_scroll_bar_extra |
| 3107 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
| 3108 | ? 0 |
| 3109 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
| 3110 | f->output_data.x->flags_areas_extra |
| 3111 | = FRAME_FLAGS_AREA_WIDTH (f); |
| 3112 | f->output_data.x->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width); |
| 3113 | f->output_data.x->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height); |
| 3114 | |
| 3115 | tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER); |
| 3116 | tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER); |
| 3117 | tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER); |
| 3118 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
| 3119 | { |
| 3120 | if (EQ (tem0, Qminus)) |
| 3121 | { |
| 3122 | f->output_data.x->top_pos = 0; |
| 3123 | window_prompting |= YNegative; |
| 3124 | } |
| 3125 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus) |
| 3126 | && CONSP (XCDR (tem0)) |
| 3127 | && INTEGERP (XCAR (XCDR (tem0)))) |
| 3128 | { |
| 3129 | f->output_data.x->top_pos = - XINT (XCAR (XCDR (tem0))); |
| 3130 | window_prompting |= YNegative; |
| 3131 | } |
| 3132 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus) |
| 3133 | && CONSP (XCDR (tem0)) |
| 3134 | && INTEGERP (XCAR (XCDR (tem0)))) |
| 3135 | { |
| 3136 | f->output_data.x->top_pos = XINT (XCAR (XCDR (tem0))); |
| 3137 | } |
| 3138 | else if (EQ (tem0, Qunbound)) |
| 3139 | f->output_data.x->top_pos = 0; |
| 3140 | else |
| 3141 | { |
| 3142 | CHECK_NUMBER (tem0, 0); |
| 3143 | f->output_data.x->top_pos = XINT (tem0); |
| 3144 | if (f->output_data.x->top_pos < 0) |
| 3145 | window_prompting |= YNegative; |
| 3146 | } |
| 3147 | |
| 3148 | if (EQ (tem1, Qminus)) |
| 3149 | { |
| 3150 | f->output_data.x->left_pos = 0; |
| 3151 | window_prompting |= XNegative; |
| 3152 | } |
| 3153 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus) |
| 3154 | && CONSP (XCDR (tem1)) |
| 3155 | && INTEGERP (XCAR (XCDR (tem1)))) |
| 3156 | { |
| 3157 | f->output_data.x->left_pos = - XINT (XCAR (XCDR (tem1))); |
| 3158 | window_prompting |= XNegative; |
| 3159 | } |
| 3160 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus) |
| 3161 | && CONSP (XCDR (tem1)) |
| 3162 | && INTEGERP (XCAR (XCDR (tem1)))) |
| 3163 | { |
| 3164 | f->output_data.x->left_pos = XINT (XCAR (XCDR (tem1))); |
| 3165 | } |
| 3166 | else if (EQ (tem1, Qunbound)) |
| 3167 | f->output_data.x->left_pos = 0; |
| 3168 | else |
| 3169 | { |
| 3170 | CHECK_NUMBER (tem1, 0); |
| 3171 | f->output_data.x->left_pos = XINT (tem1); |
| 3172 | if (f->output_data.x->left_pos < 0) |
| 3173 | window_prompting |= XNegative; |
| 3174 | } |
| 3175 | |
| 3176 | if (!NILP (tem2) && ! EQ (tem2, Qunbound)) |
| 3177 | window_prompting |= USPosition; |
| 3178 | else |
| 3179 | window_prompting |= PPosition; |
| 3180 | } |
| 3181 | |
| 3182 | return window_prompting; |
| 3183 | } |
| 3184 | |
| 3185 | #if !defined (HAVE_X11R4) && !defined (HAVE_XSETWMPROTOCOLS) |
| 3186 | |
| 3187 | Status |
| 3188 | XSetWMProtocols (dpy, w, protocols, count) |
| 3189 | Display *dpy; |
| 3190 | Window w; |
| 3191 | Atom *protocols; |
| 3192 | int count; |
| 3193 | { |
| 3194 | Atom prop; |
| 3195 | prop = XInternAtom (dpy, "WM_PROTOCOLS", False); |
| 3196 | if (prop == None) return False; |
| 3197 | XChangeProperty (dpy, w, prop, XA_ATOM, 32, PropModeReplace, |
| 3198 | (unsigned char *) protocols, count); |
| 3199 | return True; |
| 3200 | } |
| 3201 | #endif /* not HAVE_X11R4 && not HAVE_XSETWMPROTOCOLS */ |
| 3202 | \f |
| 3203 | #ifdef USE_X_TOOLKIT |
| 3204 | |
| 3205 | /* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS, |
| 3206 | WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may |
| 3207 | already be present because of the toolkit (Motif adds some of them, |
| 3208 | for example, but Xt doesn't). */ |
| 3209 | |
| 3210 | static void |
| 3211 | hack_wm_protocols (f, widget) |
| 3212 | FRAME_PTR f; |
| 3213 | Widget widget; |
| 3214 | { |
| 3215 | Display *dpy = XtDisplay (widget); |
| 3216 | Window w = XtWindow (widget); |
| 3217 | int need_delete = 1; |
| 3218 | int need_focus = 1; |
| 3219 | int need_save = 1; |
| 3220 | |
| 3221 | BLOCK_INPUT; |
| 3222 | { |
| 3223 | Atom type, *atoms = 0; |
| 3224 | int format = 0; |
| 3225 | unsigned long nitems = 0; |
| 3226 | unsigned long bytes_after; |
| 3227 | |
| 3228 | if ((XGetWindowProperty (dpy, w, |
| 3229 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
| 3230 | (long)0, (long)100, False, XA_ATOM, |
| 3231 | &type, &format, &nitems, &bytes_after, |
| 3232 | (unsigned char **) &atoms) |
| 3233 | == Success) |
| 3234 | && format == 32 && type == XA_ATOM) |
| 3235 | while (nitems > 0) |
| 3236 | { |
| 3237 | nitems--; |
| 3238 | if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) |
| 3239 | need_delete = 0; |
| 3240 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) |
| 3241 | need_focus = 0; |
| 3242 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) |
| 3243 | need_save = 0; |
| 3244 | } |
| 3245 | if (atoms) XFree ((char *) atoms); |
| 3246 | } |
| 3247 | { |
| 3248 | Atom props [10]; |
| 3249 | int count = 0; |
| 3250 | if (need_delete) |
| 3251 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
| 3252 | if (need_focus) |
| 3253 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus; |
| 3254 | if (need_save) |
| 3255 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; |
| 3256 | if (count) |
| 3257 | XChangeProperty (dpy, w, FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
| 3258 | XA_ATOM, 32, PropModeAppend, |
| 3259 | (unsigned char *) props, count); |
| 3260 | } |
| 3261 | UNBLOCK_INPUT; |
| 3262 | } |
| 3263 | #endif |
| 3264 | |
| 3265 | |
| 3266 | \f |
| 3267 | /* Support routines for XIC (X Input Context). */ |
| 3268 | |
| 3269 | #ifdef HAVE_X_I18N |
| 3270 | |
| 3271 | static XFontSet xic_create_xfontset P_ ((struct frame *, char *)); |
| 3272 | static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *)); |
| 3273 | |
| 3274 | |
| 3275 | /* Supported XIM styles, ordered by preferenc. */ |
| 3276 | |
| 3277 | static XIMStyle supported_xim_styles[] = |
| 3278 | { |
| 3279 | XIMPreeditPosition | XIMStatusArea, |
| 3280 | XIMPreeditPosition | XIMStatusNothing, |
| 3281 | XIMPreeditPosition | XIMStatusNone, |
| 3282 | XIMPreeditNothing | XIMStatusArea, |
| 3283 | XIMPreeditNothing | XIMStatusNothing, |
| 3284 | XIMPreeditNothing | XIMStatusNone, |
| 3285 | XIMPreeditNone | XIMStatusArea, |
| 3286 | XIMPreeditNone | XIMStatusNothing, |
| 3287 | XIMPreeditNone | XIMStatusNone, |
| 3288 | 0, |
| 3289 | }; |
| 3290 | |
| 3291 | |
| 3292 | /* Create an X fontset on frame F with base font name |
| 3293 | BASE_FONTNAME.. */ |
| 3294 | |
| 3295 | static XFontSet |
| 3296 | xic_create_xfontset (f, base_fontname) |
| 3297 | struct frame *f; |
| 3298 | char *base_fontname; |
| 3299 | { |
| 3300 | XFontSet xfs; |
| 3301 | char **missing_list; |
| 3302 | int missing_count; |
| 3303 | char *def_string; |
| 3304 | |
| 3305 | xfs = XCreateFontSet (FRAME_X_DISPLAY (f), |
| 3306 | base_fontname, &missing_list, |
| 3307 | &missing_count, &def_string); |
| 3308 | if (missing_list) |
| 3309 | XFreeStringList (missing_list); |
| 3310 | |
| 3311 | /* No need to free def_string. */ |
| 3312 | return xfs; |
| 3313 | } |
| 3314 | |
| 3315 | |
| 3316 | /* Value is the best input style, given user preferences USER (already |
| 3317 | checked to be supported by Emacs), and styles supported by the |
| 3318 | input method XIM. */ |
| 3319 | |
| 3320 | static XIMStyle |
| 3321 | best_xim_style (user, xim) |
| 3322 | XIMStyles *user; |
| 3323 | XIMStyles *xim; |
| 3324 | { |
| 3325 | int i, j; |
| 3326 | |
| 3327 | for (i = 0; i < user->count_styles; ++i) |
| 3328 | for (j = 0; j < xim->count_styles; ++j) |
| 3329 | if (user->supported_styles[i] == xim->supported_styles[j]) |
| 3330 | return user->supported_styles[i]; |
| 3331 | |
| 3332 | /* Return the default style. */ |
| 3333 | return XIMPreeditNothing | XIMStatusNothing; |
| 3334 | } |
| 3335 | |
| 3336 | /* Create XIC for frame F. */ |
| 3337 | |
| 3338 | static XIMStyle xic_style; |
| 3339 | |
| 3340 | void |
| 3341 | create_frame_xic (f) |
| 3342 | struct frame *f; |
| 3343 | { |
| 3344 | XIM xim; |
| 3345 | XIC xic = NULL; |
| 3346 | XFontSet xfs = NULL; |
| 3347 | |
| 3348 | if (FRAME_XIC (f)) |
| 3349 | return; |
| 3350 | |
| 3351 | xim = FRAME_X_XIM (f); |
| 3352 | if (xim) |
| 3353 | { |
| 3354 | XRectangle s_area; |
| 3355 | XPoint spot; |
| 3356 | XVaNestedList preedit_attr; |
| 3357 | XVaNestedList status_attr; |
| 3358 | char *base_fontname; |
| 3359 | int fontset; |
| 3360 | |
| 3361 | s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; |
| 3362 | spot.x = 0; spot.y = 1; |
| 3363 | /* Create X fontset. */ |
| 3364 | fontset = FRAME_FONTSET (f); |
| 3365 | if (fontset < 0) |
| 3366 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; |
| 3367 | else |
| 3368 | { |
| 3369 | /* Determine the base fontname from the ASCII font name of |
| 3370 | FONTSET. */ |
| 3371 | char *ascii_font = (char *) XSTRING (fontset_ascii (fontset))->data; |
| 3372 | char *p = ascii_font; |
| 3373 | int i; |
| 3374 | |
| 3375 | for (i = 0; *p; p++) |
| 3376 | if (*p == '-') i++; |
| 3377 | if (i != 14) |
| 3378 | /* As the font name doesn't conform to XLFD, we can't |
| 3379 | modify it to get a suitable base fontname for the |
| 3380 | frame. */ |
| 3381 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; |
| 3382 | else |
| 3383 | { |
| 3384 | int len = strlen (ascii_font) + 1; |
| 3385 | char *p1 = NULL; |
| 3386 | |
| 3387 | for (i = 0, p = ascii_font; i < 8; p++) |
| 3388 | { |
| 3389 | if (*p == '-') |
| 3390 | { |
| 3391 | i++; |
| 3392 | if (i == 3) |
| 3393 | p1 = p + 1; |
| 3394 | } |
| 3395 | } |
| 3396 | base_fontname = (char *) alloca (len); |
| 3397 | bzero (base_fontname, len); |
| 3398 | strcpy (base_fontname, "-*-*-"); |
| 3399 | bcopy (p1, base_fontname + 5, p - p1); |
| 3400 | strcat (base_fontname, "*-*-*-*-*-*-*"); |
| 3401 | } |
| 3402 | } |
| 3403 | xfs = xic_create_xfontset (f, base_fontname); |
| 3404 | |
| 3405 | /* Determine XIC style. */ |
| 3406 | if (xic_style == 0) |
| 3407 | { |
| 3408 | XIMStyles supported_list; |
| 3409 | supported_list.count_styles = (sizeof supported_xim_styles |
| 3410 | / sizeof supported_xim_styles[0]); |
| 3411 | supported_list.supported_styles = supported_xim_styles; |
| 3412 | xic_style = best_xim_style (&supported_list, |
| 3413 | FRAME_X_XIM_STYLES (f)); |
| 3414 | } |
| 3415 | |
| 3416 | preedit_attr = XVaCreateNestedList (0, |
| 3417 | XNFontSet, xfs, |
| 3418 | XNForeground, |
| 3419 | FRAME_FOREGROUND_PIXEL (f), |
| 3420 | XNBackground, |
| 3421 | FRAME_BACKGROUND_PIXEL (f), |
| 3422 | (xic_style & XIMPreeditPosition |
| 3423 | ? XNSpotLocation |
| 3424 | : NULL), |
| 3425 | &spot, |
| 3426 | NULL); |
| 3427 | status_attr = XVaCreateNestedList (0, |
| 3428 | XNArea, |
| 3429 | &s_area, |
| 3430 | XNFontSet, |
| 3431 | xfs, |
| 3432 | XNForeground, |
| 3433 | FRAME_FOREGROUND_PIXEL (f), |
| 3434 | XNBackground, |
| 3435 | FRAME_BACKGROUND_PIXEL (f), |
| 3436 | NULL); |
| 3437 | |
| 3438 | xic = XCreateIC (xim, |
| 3439 | XNInputStyle, xic_style, |
| 3440 | XNClientWindow, FRAME_X_WINDOW(f), |
| 3441 | XNFocusWindow, FRAME_X_WINDOW(f), |
| 3442 | XNStatusAttributes, status_attr, |
| 3443 | XNPreeditAttributes, preedit_attr, |
| 3444 | NULL); |
| 3445 | XFree (preedit_attr); |
| 3446 | XFree (status_attr); |
| 3447 | } |
| 3448 | |
| 3449 | FRAME_XIC (f) = xic; |
| 3450 | FRAME_XIC_STYLE (f) = xic_style; |
| 3451 | FRAME_XIC_FONTSET (f) = xfs; |
| 3452 | } |
| 3453 | |
| 3454 | |
| 3455 | /* Destroy XIC and free XIC fontset of frame F, if any. */ |
| 3456 | |
| 3457 | void |
| 3458 | free_frame_xic (f) |
| 3459 | struct frame *f; |
| 3460 | { |
| 3461 | if (FRAME_XIC (f) == NULL) |
| 3462 | return; |
| 3463 | |
| 3464 | XDestroyIC (FRAME_XIC (f)); |
| 3465 | if (FRAME_XIC_FONTSET (f)) |
| 3466 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); |
| 3467 | |
| 3468 | FRAME_XIC (f) = NULL; |
| 3469 | FRAME_XIC_FONTSET (f) = NULL; |
| 3470 | } |
| 3471 | |
| 3472 | |
| 3473 | /* Place preedit area for XIC of window W's frame to specified |
| 3474 | pixel position X/Y. X and Y are relative to window W. */ |
| 3475 | |
| 3476 | void |
| 3477 | xic_set_preeditarea (w, x, y) |
| 3478 | struct window *w; |
| 3479 | int x, y; |
| 3480 | { |
| 3481 | struct frame *f = XFRAME (w->frame); |
| 3482 | XVaNestedList attr; |
| 3483 | XPoint spot; |
| 3484 | |
| 3485 | spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x); |
| 3486 | spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); |
| 3487 | attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
| 3488 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); |
| 3489 | XFree (attr); |
| 3490 | } |
| 3491 | |
| 3492 | |
| 3493 | /* Place status area for XIC in bottom right corner of frame F.. */ |
| 3494 | |
| 3495 | void |
| 3496 | xic_set_statusarea (f) |
| 3497 | struct frame *f; |
| 3498 | { |
| 3499 | XIC xic = FRAME_XIC (f); |
| 3500 | XVaNestedList attr; |
| 3501 | XRectangle area; |
| 3502 | XRectangle *needed; |
| 3503 | |
| 3504 | /* Negotiate geometry of status area. If input method has existing |
| 3505 | status area, use its current size. */ |
| 3506 | area.x = area.y = area.width = area.height = 0; |
| 3507 | attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL); |
| 3508 | XSetICValues (xic, XNStatusAttributes, attr, NULL); |
| 3509 | XFree (attr); |
| 3510 | |
| 3511 | attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL); |
| 3512 | XGetICValues (xic, XNStatusAttributes, attr, NULL); |
| 3513 | XFree (attr); |
| 3514 | |
| 3515 | if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */ |
| 3516 | { |
| 3517 | attr = XVaCreateNestedList (0, XNArea, &needed, NULL); |
| 3518 | XGetICValues (xic, XNStatusAttributes, attr, NULL); |
| 3519 | XFree (attr); |
| 3520 | } |
| 3521 | |
| 3522 | area.width = needed->width; |
| 3523 | area.height = needed->height; |
| 3524 | area.x = PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f); |
| 3525 | area.y = (PIXEL_HEIGHT (f) - area.height |
| 3526 | - FRAME_MENUBAR_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f)); |
| 3527 | XFree (needed); |
| 3528 | |
| 3529 | attr = XVaCreateNestedList (0, XNArea, &area, NULL); |
| 3530 | XSetICValues(xic, XNStatusAttributes, attr, NULL); |
| 3531 | XFree (attr); |
| 3532 | } |
| 3533 | |
| 3534 | |
| 3535 | /* Set X fontset for XIC of frame F, using base font name |
| 3536 | BASE_FONTNAME. Called when a new Emacs fontset is chosen. */ |
| 3537 | |
| 3538 | void |
| 3539 | xic_set_xfontset (f, base_fontname) |
| 3540 | struct frame *f; |
| 3541 | char *base_fontname; |
| 3542 | { |
| 3543 | XVaNestedList attr; |
| 3544 | XFontSet xfs; |
| 3545 | |
| 3546 | xfs = xic_create_xfontset (f, base_fontname); |
| 3547 | |
| 3548 | attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); |
| 3549 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) |
| 3550 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); |
| 3551 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) |
| 3552 | XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); |
| 3553 | XFree (attr); |
| 3554 | |
| 3555 | if (FRAME_XIC_FONTSET (f)) |
| 3556 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); |
| 3557 | FRAME_XIC_FONTSET (f) = xfs; |
| 3558 | } |
| 3559 | |
| 3560 | #endif /* HAVE_X_I18N */ |
| 3561 | |
| 3562 | |
| 3563 | \f |
| 3564 | #ifdef USE_X_TOOLKIT |
| 3565 | |
| 3566 | /* Create and set up the X widget for frame F. */ |
| 3567 | |
| 3568 | static void |
| 3569 | x_window (f, window_prompting, minibuffer_only) |
| 3570 | struct frame *f; |
| 3571 | long window_prompting; |
| 3572 | int minibuffer_only; |
| 3573 | { |
| 3574 | XClassHint class_hints; |
| 3575 | XSetWindowAttributes attributes; |
| 3576 | unsigned long attribute_mask; |
| 3577 | Widget shell_widget; |
| 3578 | Widget pane_widget; |
| 3579 | Widget frame_widget; |
| 3580 | Arg al [25]; |
| 3581 | int ac; |
| 3582 | |
| 3583 | BLOCK_INPUT; |
| 3584 | |
| 3585 | /* Use the resource name as the top-level widget name |
| 3586 | for looking up resources. Make a non-Lisp copy |
| 3587 | for the window manager, so GC relocation won't bother it. |
| 3588 | |
| 3589 | Elsewhere we specify the window name for the window manager. */ |
| 3590 | |
| 3591 | { |
| 3592 | char *str = (char *) XSTRING (Vx_resource_name)->data; |
| 3593 | f->namebuf = (char *) xmalloc (strlen (str) + 1); |
| 3594 | strcpy (f->namebuf, str); |
| 3595 | } |
| 3596 | |
| 3597 | ac = 0; |
| 3598 | XtSetArg (al[ac], XtNallowShellResize, 1); ac++; |
| 3599 | XtSetArg (al[ac], XtNinput, 1); ac++; |
| 3600 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
| 3601 | XtSetArg (al[ac], XtNborderWidth, f->output_data.x->border_width); ac++; |
| 3602 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
| 3603 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; |
| 3604 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; |
| 3605 | shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS, |
| 3606 | applicationShellWidgetClass, |
| 3607 | FRAME_X_DISPLAY (f), al, ac); |
| 3608 | |
| 3609 | f->output_data.x->widget = shell_widget; |
| 3610 | /* maybe_set_screen_title_format (shell_widget); */ |
| 3611 | |
| 3612 | pane_widget = lw_create_widget ("main", "pane", widget_id_tick++, |
| 3613 | (widget_value *) NULL, |
| 3614 | shell_widget, False, |
| 3615 | (lw_callback) NULL, |
| 3616 | (lw_callback) NULL, |
| 3617 | (lw_callback) NULL, |
| 3618 | (lw_callback) NULL); |
| 3619 | |
| 3620 | ac = 0; |
| 3621 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
| 3622 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; |
| 3623 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; |
| 3624 | XtSetValues (pane_widget, al, ac); |
| 3625 | f->output_data.x->column_widget = pane_widget; |
| 3626 | |
| 3627 | /* mappedWhenManaged to false tells to the paned window to not map/unmap |
| 3628 | the emacs screen when changing menubar. This reduces flickering. */ |
| 3629 | |
| 3630 | ac = 0; |
| 3631 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
| 3632 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; |
| 3633 | XtSetArg (al[ac], XtNallowResize, 1); ac++; |
| 3634 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; |
| 3635 | XtSetArg (al[ac], XtNemacsFrame, f); ac++; |
| 3636 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
| 3637 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; |
| 3638 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; |
| 3639 | frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget, |
| 3640 | al, ac); |
| 3641 | |
| 3642 | f->output_data.x->edit_widget = frame_widget; |
| 3643 | |
| 3644 | XtManageChild (frame_widget); |
| 3645 | |
| 3646 | /* Do some needed geometry management. */ |
| 3647 | { |
| 3648 | int len; |
| 3649 | char *tem, shell_position[32]; |
| 3650 | Arg al[2]; |
| 3651 | int ac = 0; |
| 3652 | int extra_borders = 0; |
| 3653 | int menubar_size |
| 3654 | = (f->output_data.x->menubar_widget |
| 3655 | ? (f->output_data.x->menubar_widget->core.height |
| 3656 | + f->output_data.x->menubar_widget->core.border_width) |
| 3657 | : 0); |
| 3658 | |
| 3659 | #if 0 /* Experimentally, we now get the right results |
| 3660 | for -geometry -0-0 without this. 24 Aug 96, rms. */ |
| 3661 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
| 3662 | { |
| 3663 | Dimension ibw = 0; |
| 3664 | XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL); |
| 3665 | menubar_size += ibw; |
| 3666 | } |
| 3667 | #endif |
| 3668 | |
| 3669 | f->output_data.x->menubar_height = menubar_size; |
| 3670 | |
| 3671 | #ifndef USE_LUCID |
| 3672 | /* Motif seems to need this amount added to the sizes |
| 3673 | specified for the shell widget. The Athena/Lucid widgets don't. |
| 3674 | Both conclusions reached experimentally. -- rms. */ |
| 3675 | XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth, |
| 3676 | &extra_borders, NULL); |
| 3677 | extra_borders *= 2; |
| 3678 | #endif |
| 3679 | |
| 3680 | /* Convert our geometry parameters into a geometry string |
| 3681 | and specify it. |
| 3682 | Note that we do not specify here whether the position |
| 3683 | is a user-specified or program-specified one. |
| 3684 | We pass that information later, in x_wm_set_size_hints. */ |
| 3685 | { |
| 3686 | int left = f->output_data.x->left_pos; |
| 3687 | int xneg = window_prompting & XNegative; |
| 3688 | int top = f->output_data.x->top_pos; |
| 3689 | int yneg = window_prompting & YNegative; |
| 3690 | if (xneg) |
| 3691 | left = -left; |
| 3692 | if (yneg) |
| 3693 | top = -top; |
| 3694 | |
| 3695 | if (window_prompting & USPosition) |
| 3696 | sprintf (shell_position, "=%dx%d%c%d%c%d", |
| 3697 | PIXEL_WIDTH (f) + extra_borders, |
| 3698 | PIXEL_HEIGHT (f) + menubar_size + extra_borders, |
| 3699 | (xneg ? '-' : '+'), left, |
| 3700 | (yneg ? '-' : '+'), top); |
| 3701 | else |
| 3702 | sprintf (shell_position, "=%dx%d", |
| 3703 | PIXEL_WIDTH (f) + extra_borders, |
| 3704 | PIXEL_HEIGHT (f) + menubar_size + extra_borders); |
| 3705 | } |
| 3706 | |
| 3707 | len = strlen (shell_position) + 1; |
| 3708 | /* We don't free this because we don't know whether |
| 3709 | it is safe to free it while the frame exists. |
| 3710 | It isn't worth the trouble of arranging to free it |
| 3711 | when the frame is deleted. */ |
| 3712 | tem = (char *) xmalloc (len); |
| 3713 | strncpy (tem, shell_position, len); |
| 3714 | XtSetArg (al[ac], XtNgeometry, tem); ac++; |
| 3715 | XtSetValues (shell_widget, al, ac); |
| 3716 | } |
| 3717 | |
| 3718 | XtManageChild (pane_widget); |
| 3719 | XtRealizeWidget (shell_widget); |
| 3720 | |
| 3721 | FRAME_X_WINDOW (f) = XtWindow (frame_widget); |
| 3722 | |
| 3723 | validate_x_resource_name (); |
| 3724 | |
| 3725 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
| 3726 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
| 3727 | XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); |
| 3728 | |
| 3729 | #ifdef HAVE_X_I18N |
| 3730 | FRAME_XIC (f) = NULL; |
| 3731 | #ifdef USE_XIM |
| 3732 | create_frame_xic (f); |
| 3733 | #endif |
| 3734 | #endif |
| 3735 | |
| 3736 | f->output_data.x->wm_hints.input = True; |
| 3737 | f->output_data.x->wm_hints.flags |= InputHint; |
| 3738 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 3739 | &f->output_data.x->wm_hints); |
| 3740 | |
| 3741 | hack_wm_protocols (f, shell_widget); |
| 3742 | |
| 3743 | #ifdef HACK_EDITRES |
| 3744 | XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0); |
| 3745 | #endif |
| 3746 | |
| 3747 | /* Do a stupid property change to force the server to generate a |
| 3748 | PropertyNotify event so that the event_stream server timestamp will |
| 3749 | be initialized to something relevant to the time we created the window. |
| 3750 | */ |
| 3751 | XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget), |
| 3752 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
| 3753 | XA_ATOM, 32, PropModeAppend, |
| 3754 | (unsigned char*) NULL, 0); |
| 3755 | |
| 3756 | /* Make all the standard events reach the Emacs frame. */ |
| 3757 | attributes.event_mask = STANDARD_EVENT_SET; |
| 3758 | |
| 3759 | #ifdef HAVE_X_I18N |
| 3760 | if (FRAME_XIC (f)) |
| 3761 | { |
| 3762 | /* XIM server might require some X events. */ |
| 3763 | unsigned long fevent = NoEventMask; |
| 3764 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); |
| 3765 | attributes.event_mask |= fevent; |
| 3766 | } |
| 3767 | #endif /* HAVE_X_I18N */ |
| 3768 | |
| 3769 | attribute_mask = CWEventMask; |
| 3770 | XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget), |
| 3771 | attribute_mask, &attributes); |
| 3772 | |
| 3773 | XtMapWidget (frame_widget); |
| 3774 | |
| 3775 | /* x_set_name normally ignores requests to set the name if the |
| 3776 | requested name is the same as the current name. This is the one |
| 3777 | place where that assumption isn't correct; f->name is set, but |
| 3778 | the X server hasn't been told. */ |
| 3779 | { |
| 3780 | Lisp_Object name; |
| 3781 | int explicit = f->explicit_name; |
| 3782 | |
| 3783 | f->explicit_name = 0; |
| 3784 | name = f->name; |
| 3785 | f->name = Qnil; |
| 3786 | x_set_name (f, name, explicit); |
| 3787 | } |
| 3788 | |
| 3789 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 3790 | f->output_data.x->text_cursor); |
| 3791 | |
| 3792 | UNBLOCK_INPUT; |
| 3793 | |
| 3794 | /* This is a no-op, except under Motif. Make sure main areas are |
| 3795 | set to something reasonable, in case we get an error later. */ |
| 3796 | lw_set_main_areas (pane_widget, 0, frame_widget); |
| 3797 | } |
| 3798 | |
| 3799 | #else /* not USE_X_TOOLKIT */ |
| 3800 | |
| 3801 | /* Create and set up the X window for frame F. */ |
| 3802 | |
| 3803 | void |
| 3804 | x_window (f) |
| 3805 | struct frame *f; |
| 3806 | |
| 3807 | { |
| 3808 | XClassHint class_hints; |
| 3809 | XSetWindowAttributes attributes; |
| 3810 | unsigned long attribute_mask; |
| 3811 | |
| 3812 | attributes.background_pixel = f->output_data.x->background_pixel; |
| 3813 | attributes.border_pixel = f->output_data.x->border_pixel; |
| 3814 | attributes.bit_gravity = StaticGravity; |
| 3815 | attributes.backing_store = NotUseful; |
| 3816 | attributes.save_under = True; |
| 3817 | attributes.event_mask = STANDARD_EVENT_SET; |
| 3818 | attributes.colormap = FRAME_X_COLORMAP (f); |
| 3819 | attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask |
| 3820 | | CWColormap); |
| 3821 | |
| 3822 | BLOCK_INPUT; |
| 3823 | FRAME_X_WINDOW (f) |
| 3824 | = XCreateWindow (FRAME_X_DISPLAY (f), |
| 3825 | f->output_data.x->parent_desc, |
| 3826 | f->output_data.x->left_pos, |
| 3827 | f->output_data.x->top_pos, |
| 3828 | PIXEL_WIDTH (f), PIXEL_HEIGHT (f), |
| 3829 | f->output_data.x->border_width, |
| 3830 | CopyFromParent, /* depth */ |
| 3831 | InputOutput, /* class */ |
| 3832 | FRAME_X_VISUAL (f), |
| 3833 | attribute_mask, &attributes); |
| 3834 | |
| 3835 | #ifdef HAVE_X_I18N |
| 3836 | #ifdef USE_XIM |
| 3837 | create_frame_xic (f); |
| 3838 | if (FRAME_XIC (f)) |
| 3839 | { |
| 3840 | /* XIM server might require some X events. */ |
| 3841 | unsigned long fevent = NoEventMask; |
| 3842 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); |
| 3843 | attributes.event_mask |= fevent; |
| 3844 | attribute_mask = CWEventMask; |
| 3845 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 3846 | attribute_mask, &attributes); |
| 3847 | } |
| 3848 | #endif |
| 3849 | #endif /* HAVE_X_I18N */ |
| 3850 | |
| 3851 | validate_x_resource_name (); |
| 3852 | |
| 3853 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
| 3854 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
| 3855 | XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints); |
| 3856 | |
| 3857 | /* The menubar is part of the ordinary display; |
| 3858 | it does not count in addition to the height of the window. */ |
| 3859 | f->output_data.x->menubar_height = 0; |
| 3860 | |
| 3861 | /* This indicates that we use the "Passive Input" input model. |
| 3862 | Unless we do this, we don't get the Focus{In,Out} events that we |
| 3863 | need to draw the cursor correctly. Accursed bureaucrats. |
| 3864 | XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */ |
| 3865 | |
| 3866 | f->output_data.x->wm_hints.input = True; |
| 3867 | f->output_data.x->wm_hints.flags |= InputHint; |
| 3868 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 3869 | &f->output_data.x->wm_hints); |
| 3870 | f->output_data.x->wm_hints.icon_pixmap = None; |
| 3871 | |
| 3872 | /* Request "save yourself" and "delete window" commands from wm. */ |
| 3873 | { |
| 3874 | Atom protocols[2]; |
| 3875 | protocols[0] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
| 3876 | protocols[1] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; |
| 3877 | XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2); |
| 3878 | } |
| 3879 | |
| 3880 | /* x_set_name normally ignores requests to set the name if the |
| 3881 | requested name is the same as the current name. This is the one |
| 3882 | place where that assumption isn't correct; f->name is set, but |
| 3883 | the X server hasn't been told. */ |
| 3884 | { |
| 3885 | Lisp_Object name; |
| 3886 | int explicit = f->explicit_name; |
| 3887 | |
| 3888 | f->explicit_name = 0; |
| 3889 | name = f->name; |
| 3890 | f->name = Qnil; |
| 3891 | x_set_name (f, name, explicit); |
| 3892 | } |
| 3893 | |
| 3894 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 3895 | f->output_data.x->text_cursor); |
| 3896 | |
| 3897 | UNBLOCK_INPUT; |
| 3898 | |
| 3899 | if (FRAME_X_WINDOW (f) == 0) |
| 3900 | error ("Unable to create window"); |
| 3901 | } |
| 3902 | |
| 3903 | #endif /* not USE_X_TOOLKIT */ |
| 3904 | |
| 3905 | /* Handle the icon stuff for this window. Perhaps later we might |
| 3906 | want an x_set_icon_position which can be called interactively as |
| 3907 | well. */ |
| 3908 | |
| 3909 | static void |
| 3910 | x_icon (f, parms) |
| 3911 | struct frame *f; |
| 3912 | Lisp_Object parms; |
| 3913 | { |
| 3914 | Lisp_Object icon_x, icon_y; |
| 3915 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 3916 | |
| 3917 | /* Set the position of the icon. Note that twm groups all |
| 3918 | icons in an icon window. */ |
| 3919 | icon_x = x_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
| 3920 | icon_y = x_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); |
| 3921 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
| 3922 | { |
| 3923 | CHECK_NUMBER (icon_x, 0); |
| 3924 | CHECK_NUMBER (icon_y, 0); |
| 3925 | } |
| 3926 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
| 3927 | error ("Both left and top icon corners of icon must be specified"); |
| 3928 | |
| 3929 | BLOCK_INPUT; |
| 3930 | |
| 3931 | if (! EQ (icon_x, Qunbound)) |
| 3932 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); |
| 3933 | |
| 3934 | /* Start up iconic or window? */ |
| 3935 | x_wm_set_window_state |
| 3936 | (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), |
| 3937 | Qicon) |
| 3938 | ? IconicState |
| 3939 | : NormalState)); |
| 3940 | |
| 3941 | x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) |
| 3942 | ? f->icon_name |
| 3943 | : f->name))->data); |
| 3944 | |
| 3945 | UNBLOCK_INPUT; |
| 3946 | } |
| 3947 | |
| 3948 | /* Make the GCs needed for this window, setting the |
| 3949 | background, border and mouse colors; also create the |
| 3950 | mouse cursor and the gray border tile. */ |
| 3951 | |
| 3952 | static char cursor_bits[] = |
| 3953 | { |
| 3954 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 3955 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 3956 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 3957 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 3958 | }; |
| 3959 | |
| 3960 | static void |
| 3961 | x_make_gc (f) |
| 3962 | struct frame *f; |
| 3963 | { |
| 3964 | XGCValues gc_values; |
| 3965 | |
| 3966 | BLOCK_INPUT; |
| 3967 | |
| 3968 | /* Create the GCs of this frame. |
| 3969 | Note that many default values are used. */ |
| 3970 | |
| 3971 | /* Normal video */ |
| 3972 | gc_values.font = f->output_data.x->font->fid; |
| 3973 | gc_values.foreground = f->output_data.x->foreground_pixel; |
| 3974 | gc_values.background = f->output_data.x->background_pixel; |
| 3975 | gc_values.line_width = 0; /* Means 1 using fast algorithm. */ |
| 3976 | f->output_data.x->normal_gc |
| 3977 | = XCreateGC (FRAME_X_DISPLAY (f), |
| 3978 | FRAME_X_WINDOW (f), |
| 3979 | GCLineWidth | GCFont | GCForeground | GCBackground, |
| 3980 | &gc_values); |
| 3981 | |
| 3982 | /* Reverse video style. */ |
| 3983 | gc_values.foreground = f->output_data.x->background_pixel; |
| 3984 | gc_values.background = f->output_data.x->foreground_pixel; |
| 3985 | f->output_data.x->reverse_gc |
| 3986 | = XCreateGC (FRAME_X_DISPLAY (f), |
| 3987 | FRAME_X_WINDOW (f), |
| 3988 | GCFont | GCForeground | GCBackground | GCLineWidth, |
| 3989 | &gc_values); |
| 3990 | |
| 3991 | /* Cursor has cursor-color background, background-color foreground. */ |
| 3992 | gc_values.foreground = f->output_data.x->background_pixel; |
| 3993 | gc_values.background = f->output_data.x->cursor_pixel; |
| 3994 | gc_values.fill_style = FillOpaqueStippled; |
| 3995 | gc_values.stipple |
| 3996 | = XCreateBitmapFromData (FRAME_X_DISPLAY (f), |
| 3997 | FRAME_X_DISPLAY_INFO (f)->root_window, |
| 3998 | cursor_bits, 16, 16); |
| 3999 | f->output_data.x->cursor_gc |
| 4000 | = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 4001 | (GCFont | GCForeground | GCBackground |
| 4002 | | GCFillStyle /* | GCStipple */ | GCLineWidth), |
| 4003 | &gc_values); |
| 4004 | |
| 4005 | /* Reliefs. */ |
| 4006 | f->output_data.x->white_relief.gc = 0; |
| 4007 | f->output_data.x->black_relief.gc = 0; |
| 4008 | |
| 4009 | /* Create the gray border tile used when the pointer is not in |
| 4010 | the frame. Since this depends on the frame's pixel values, |
| 4011 | this must be done on a per-frame basis. */ |
| 4012 | f->output_data.x->border_tile |
| 4013 | = (XCreatePixmapFromBitmapData |
| 4014 | (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
| 4015 | gray_bits, gray_width, gray_height, |
| 4016 | f->output_data.x->foreground_pixel, |
| 4017 | f->output_data.x->background_pixel, |
| 4018 | DefaultDepth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)))); |
| 4019 | |
| 4020 | UNBLOCK_INPUT; |
| 4021 | } |
| 4022 | |
| 4023 | |
| 4024 | /* Free what was was allocated in x_make_gc. */ |
| 4025 | |
| 4026 | void |
| 4027 | x_free_gcs (f) |
| 4028 | struct frame *f; |
| 4029 | { |
| 4030 | Display *dpy = FRAME_X_DISPLAY (f); |
| 4031 | |
| 4032 | BLOCK_INPUT; |
| 4033 | |
| 4034 | if (f->output_data.x->normal_gc) |
| 4035 | { |
| 4036 | XFreeGC (dpy, f->output_data.x->normal_gc); |
| 4037 | f->output_data.x->normal_gc = 0; |
| 4038 | } |
| 4039 | |
| 4040 | if (f->output_data.x->reverse_gc) |
| 4041 | { |
| 4042 | XFreeGC (dpy, f->output_data.x->reverse_gc); |
| 4043 | f->output_data.x->reverse_gc = 0; |
| 4044 | } |
| 4045 | |
| 4046 | if (f->output_data.x->cursor_gc) |
| 4047 | { |
| 4048 | XFreeGC (dpy, f->output_data.x->cursor_gc); |
| 4049 | f->output_data.x->cursor_gc = 0; |
| 4050 | } |
| 4051 | |
| 4052 | if (f->output_data.x->border_tile) |
| 4053 | { |
| 4054 | XFreePixmap (dpy, f->output_data.x->border_tile); |
| 4055 | f->output_data.x->border_tile = 0; |
| 4056 | } |
| 4057 | |
| 4058 | UNBLOCK_INPUT; |
| 4059 | } |
| 4060 | |
| 4061 | |
| 4062 | /* Handler for signals raised during x_create_frame and |
| 4063 | x_create_top_frame. FRAME is the frame which is partially |
| 4064 | constructed. */ |
| 4065 | |
| 4066 | static Lisp_Object |
| 4067 | unwind_create_frame (frame) |
| 4068 | Lisp_Object frame; |
| 4069 | { |
| 4070 | struct frame *f = XFRAME (frame); |
| 4071 | |
| 4072 | /* If frame is ``official'', nothing to do. */ |
| 4073 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) |
| 4074 | { |
| 4075 | #if GLYPH_DEBUG |
| 4076 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 4077 | #endif |
| 4078 | |
| 4079 | x_free_frame_resources (f); |
| 4080 | |
| 4081 | /* Check that reference counts are indeed correct. */ |
| 4082 | xassert (dpyinfo->reference_count == dpyinfo_refcount); |
| 4083 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); |
| 4084 | return Qt; |
| 4085 | } |
| 4086 | |
| 4087 | return Qnil; |
| 4088 | } |
| 4089 | |
| 4090 | |
| 4091 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
| 4092 | 1, 1, 0, |
| 4093 | doc: /* Make a new X window, which is called a "frame" in Emacs terms. |
| 4094 | Returns an Emacs frame object. |
| 4095 | ALIST is an alist of frame parameters. |
| 4096 | If the parameters specify that the frame should not have a minibuffer, |
| 4097 | and do not specify a specific minibuffer window to use, |
| 4098 | then `default-minibuffer-frame' must be a frame whose minibuffer can |
| 4099 | be shared by the new frame. |
| 4100 | |
| 4101 | This function is an internal primitive--use `make-frame' instead. */) |
| 4102 | (parms) |
| 4103 | Lisp_Object parms; |
| 4104 | { |
| 4105 | struct frame *f; |
| 4106 | Lisp_Object frame, tem; |
| 4107 | Lisp_Object name; |
| 4108 | int minibuffer_only = 0; |
| 4109 | long window_prompting = 0; |
| 4110 | int width, height; |
| 4111 | int count = BINDING_STACK_SIZE (); |
| 4112 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 4113 | Lisp_Object display; |
| 4114 | struct x_display_info *dpyinfo = NULL; |
| 4115 | Lisp_Object parent; |
| 4116 | struct kboard *kb; |
| 4117 | |
| 4118 | check_x (); |
| 4119 | |
| 4120 | /* Use this general default value to start with |
| 4121 | until we know if this frame has a specified name. */ |
| 4122 | Vx_resource_name = Vinvocation_name; |
| 4123 | |
| 4124 | display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
| 4125 | if (EQ (display, Qunbound)) |
| 4126 | display = Qnil; |
| 4127 | dpyinfo = check_x_display_info (display); |
| 4128 | #ifdef MULTI_KBOARD |
| 4129 | kb = dpyinfo->kboard; |
| 4130 | #else |
| 4131 | kb = &the_only_kboard; |
| 4132 | #endif |
| 4133 | |
| 4134 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
| 4135 | if (!STRINGP (name) |
| 4136 | && ! EQ (name, Qunbound) |
| 4137 | && ! NILP (name)) |
| 4138 | error ("Invalid frame name--not a string or nil"); |
| 4139 | |
| 4140 | if (STRINGP (name)) |
| 4141 | Vx_resource_name = name; |
| 4142 | |
| 4143 | /* See if parent window is specified. */ |
| 4144 | parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
| 4145 | if (EQ (parent, Qunbound)) |
| 4146 | parent = Qnil; |
| 4147 | if (! NILP (parent)) |
| 4148 | CHECK_NUMBER (parent, 0); |
| 4149 | |
| 4150 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
| 4151 | /* No need to protect DISPLAY because that's not used after passing |
| 4152 | it to make_frame_without_minibuffer. */ |
| 4153 | frame = Qnil; |
| 4154 | GCPRO4 (parms, parent, name, frame); |
| 4155 | tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer", |
| 4156 | RES_TYPE_SYMBOL); |
| 4157 | if (EQ (tem, Qnone) || NILP (tem)) |
| 4158 | f = make_frame_without_minibuffer (Qnil, kb, display); |
| 4159 | else if (EQ (tem, Qonly)) |
| 4160 | { |
| 4161 | f = make_minibuffer_frame (); |
| 4162 | minibuffer_only = 1; |
| 4163 | } |
| 4164 | else if (WINDOWP (tem)) |
| 4165 | f = make_frame_without_minibuffer (tem, kb, display); |
| 4166 | else |
| 4167 | f = make_frame (1); |
| 4168 | |
| 4169 | XSETFRAME (frame, f); |
| 4170 | |
| 4171 | /* Note that X Windows does support scroll bars. */ |
| 4172 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; |
| 4173 | |
| 4174 | f->output_method = output_x_window; |
| 4175 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
| 4176 | bzero (f->output_data.x, sizeof (struct x_output)); |
| 4177 | f->output_data.x->icon_bitmap = -1; |
| 4178 | f->output_data.x->fontset = -1; |
| 4179 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
| 4180 | f->output_data.x->scroll_bar_background_pixel = -1; |
| 4181 | #ifdef USE_TOOLKIT_SCROLL_BARS |
| 4182 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; |
| 4183 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; |
| 4184 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
| 4185 | record_unwind_protect (unwind_create_frame, frame); |
| 4186 | |
| 4187 | f->icon_name |
| 4188 | = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", |
| 4189 | RES_TYPE_STRING); |
| 4190 | if (! STRINGP (f->icon_name)) |
| 4191 | f->icon_name = Qnil; |
| 4192 | |
| 4193 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
| 4194 | #if GLYPH_DEBUG |
| 4195 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
| 4196 | dpyinfo_refcount = dpyinfo->reference_count; |
| 4197 | #endif /* GLYPH_DEBUG */ |
| 4198 | #ifdef MULTI_KBOARD |
| 4199 | FRAME_KBOARD (f) = kb; |
| 4200 | #endif |
| 4201 | |
| 4202 | /* These colors will be set anyway later, but it's important |
| 4203 | to get the color reference counts right, so initialize them! */ |
| 4204 | { |
| 4205 | Lisp_Object black; |
| 4206 | struct gcpro gcpro1; |
| 4207 | |
| 4208 | /* Function x_decode_color can signal an error. Make |
| 4209 | sure to initialize color slots so that we won't try |
| 4210 | to free colors we haven't allocated. */ |
| 4211 | f->output_data.x->foreground_pixel = -1; |
| 4212 | f->output_data.x->background_pixel = -1; |
| 4213 | f->output_data.x->cursor_pixel = -1; |
| 4214 | f->output_data.x->cursor_foreground_pixel = -1; |
| 4215 | f->output_data.x->border_pixel = -1; |
| 4216 | f->output_data.x->mouse_pixel = -1; |
| 4217 | |
| 4218 | black = build_string ("black"); |
| 4219 | GCPRO1 (black); |
| 4220 | f->output_data.x->foreground_pixel |
| 4221 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4222 | f->output_data.x->background_pixel |
| 4223 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4224 | f->output_data.x->cursor_pixel |
| 4225 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4226 | f->output_data.x->cursor_foreground_pixel |
| 4227 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4228 | f->output_data.x->border_pixel |
| 4229 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4230 | f->output_data.x->mouse_pixel |
| 4231 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 4232 | UNGCPRO; |
| 4233 | } |
| 4234 | |
| 4235 | /* Specify the parent under which to make this X window. */ |
| 4236 | |
| 4237 | if (!NILP (parent)) |
| 4238 | { |
| 4239 | f->output_data.x->parent_desc = (Window) XFASTINT (parent); |
| 4240 | f->output_data.x->explicit_parent = 1; |
| 4241 | } |
| 4242 | else |
| 4243 | { |
| 4244 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
| 4245 | f->output_data.x->explicit_parent = 0; |
| 4246 | } |
| 4247 | |
| 4248 | /* Set the name; the functions to which we pass f expect the name to |
| 4249 | be set. */ |
| 4250 | if (EQ (name, Qunbound) || NILP (name)) |
| 4251 | { |
| 4252 | f->name = build_string (dpyinfo->x_id_name); |
| 4253 | f->explicit_name = 0; |
| 4254 | } |
| 4255 | else |
| 4256 | { |
| 4257 | f->name = name; |
| 4258 | f->explicit_name = 1; |
| 4259 | /* use the frame's title when getting resources for this frame. */ |
| 4260 | specbind (Qx_resource_name, name); |
| 4261 | } |
| 4262 | |
| 4263 | /* Extract the window parameters from the supplied values |
| 4264 | that are needed to determine window geometry. */ |
| 4265 | { |
| 4266 | Lisp_Object font; |
| 4267 | |
| 4268 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
| 4269 | |
| 4270 | BLOCK_INPUT; |
| 4271 | /* First, try whatever font the caller has specified. */ |
| 4272 | if (STRINGP (font)) |
| 4273 | { |
| 4274 | tem = Fquery_fontset (font, Qnil); |
| 4275 | if (STRINGP (tem)) |
| 4276 | font = x_new_fontset (f, XSTRING (tem)->data); |
| 4277 | else |
| 4278 | font = x_new_font (f, XSTRING (font)->data); |
| 4279 | } |
| 4280 | |
| 4281 | /* Try out a font which we hope has bold and italic variations. */ |
| 4282 | if (!STRINGP (font)) |
| 4283 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); |
| 4284 | if (!STRINGP (font)) |
| 4285 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 4286 | if (! STRINGP (font)) |
| 4287 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 4288 | if (! STRINGP (font)) |
| 4289 | /* This was formerly the first thing tried, but it finds too many fonts |
| 4290 | and takes too long. */ |
| 4291 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); |
| 4292 | /* If those didn't work, look for something which will at least work. */ |
| 4293 | if (! STRINGP (font)) |
| 4294 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
| 4295 | UNBLOCK_INPUT; |
| 4296 | if (! STRINGP (font)) |
| 4297 | font = build_string ("fixed"); |
| 4298 | |
| 4299 | x_default_parameter (f, parms, Qfont, font, |
| 4300 | "font", "Font", RES_TYPE_STRING); |
| 4301 | } |
| 4302 | |
| 4303 | #ifdef USE_LUCID |
| 4304 | /* Prevent lwlib/xlwmenu.c from crashing because of a bug |
| 4305 | whereby it fails to get any font. */ |
| 4306 | xlwmenu_default_font = f->output_data.x->font; |
| 4307 | #endif |
| 4308 | |
| 4309 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
| 4310 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
| 4311 | |
| 4312 | /* This defaults to 2 in order to match xterm. We recognize either |
| 4313 | internalBorderWidth or internalBorder (which is what xterm calls |
| 4314 | it). */ |
| 4315 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 4316 | { |
| 4317 | Lisp_Object value; |
| 4318 | |
| 4319 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
| 4320 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
| 4321 | if (! EQ (value, Qunbound)) |
| 4322 | parms = Fcons (Fcons (Qinternal_border_width, value), |
| 4323 | parms); |
| 4324 | } |
| 4325 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
| 4326 | "internalBorderWidth", "internalBorderWidth", |
| 4327 | RES_TYPE_NUMBER); |
| 4328 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft, |
| 4329 | "verticalScrollBars", "ScrollBars", |
| 4330 | RES_TYPE_SYMBOL); |
| 4331 | |
| 4332 | /* Also do the stuff which must be set before the window exists. */ |
| 4333 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
| 4334 | "foreground", "Foreground", RES_TYPE_STRING); |
| 4335 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
| 4336 | "background", "Background", RES_TYPE_STRING); |
| 4337 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
| 4338 | "pointerColor", "Foreground", RES_TYPE_STRING); |
| 4339 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
| 4340 | "cursorColor", "Foreground", RES_TYPE_STRING); |
| 4341 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
| 4342 | "borderColor", "BorderColor", RES_TYPE_STRING); |
| 4343 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
| 4344 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); |
| 4345 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
| 4346 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); |
| 4347 | |
| 4348 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground, |
| 4349 | "scrollBarForeground", |
| 4350 | "ScrollBarForeground", 1); |
| 4351 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background, |
| 4352 | "scrollBarBackground", |
| 4353 | "ScrollBarBackground", 0); |
| 4354 | |
| 4355 | /* Init faces before x_default_parameter is called for scroll-bar |
| 4356 | parameters because that function calls x_set_scroll_bar_width, |
| 4357 | which calls change_frame_size, which calls Fset_window_buffer, |
| 4358 | which runs hooks, which call Fvertical_motion. At the end, we |
| 4359 | end up in init_iterator with a null face cache, which should not |
| 4360 | happen. */ |
| 4361 | init_frame_faces (f); |
| 4362 | |
| 4363 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
| 4364 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
| 4365 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (1), |
| 4366 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
| 4367 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
| 4368 | "bufferPredicate", "BufferPredicate", |
| 4369 | RES_TYPE_SYMBOL); |
| 4370 | x_default_parameter (f, parms, Qtitle, Qnil, |
| 4371 | "title", "Title", RES_TYPE_STRING); |
| 4372 | x_default_parameter (f, parms, Qwait_for_wm, Qt, |
| 4373 | "waitForWM", "WaitForWM", RES_TYPE_BOOLEAN); |
| 4374 | |
| 4375 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
| 4376 | |
| 4377 | /* Add the tool-bar height to the initial frame height so that the |
| 4378 | user gets a text display area of the size he specified with -g or |
| 4379 | via .Xdefaults. Later changes of the tool-bar height don't |
| 4380 | change the frame size. This is done so that users can create |
| 4381 | tall Emacs frames without having to guess how tall the tool-bar |
| 4382 | will get. */ |
| 4383 | if (FRAME_TOOL_BAR_LINES (f)) |
| 4384 | { |
| 4385 | int margin, relief, bar_height; |
| 4386 | |
| 4387 | relief = (tool_bar_button_relief > 0 |
| 4388 | ? tool_bar_button_relief |
| 4389 | : DEFAULT_TOOL_BAR_BUTTON_RELIEF); |
| 4390 | |
| 4391 | if (INTEGERP (Vtool_bar_button_margin) |
| 4392 | && XINT (Vtool_bar_button_margin) > 0) |
| 4393 | margin = XFASTINT (Vtool_bar_button_margin); |
| 4394 | else if (CONSP (Vtool_bar_button_margin) |
| 4395 | && INTEGERP (XCDR (Vtool_bar_button_margin)) |
| 4396 | && XINT (XCDR (Vtool_bar_button_margin)) > 0) |
| 4397 | margin = XFASTINT (XCDR (Vtool_bar_button_margin)); |
| 4398 | else |
| 4399 | margin = 0; |
| 4400 | |
| 4401 | bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief; |
| 4402 | f->height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f); |
| 4403 | } |
| 4404 | |
| 4405 | /* Compute the size of the X window. */ |
| 4406 | window_prompting = x_figure_window_size (f, parms); |
| 4407 | |
| 4408 | if (window_prompting & XNegative) |
| 4409 | { |
| 4410 | if (window_prompting & YNegative) |
| 4411 | f->output_data.x->win_gravity = SouthEastGravity; |
| 4412 | else |
| 4413 | f->output_data.x->win_gravity = NorthEastGravity; |
| 4414 | } |
| 4415 | else |
| 4416 | { |
| 4417 | if (window_prompting & YNegative) |
| 4418 | f->output_data.x->win_gravity = SouthWestGravity; |
| 4419 | else |
| 4420 | f->output_data.x->win_gravity = NorthWestGravity; |
| 4421 | } |
| 4422 | |
| 4423 | f->output_data.x->size_hint_flags = window_prompting; |
| 4424 | |
| 4425 | tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
| 4426 | f->no_split = minibuffer_only || EQ (tem, Qt); |
| 4427 | |
| 4428 | /* Create the X widget or window. */ |
| 4429 | #ifdef USE_X_TOOLKIT |
| 4430 | x_window (f, window_prompting, minibuffer_only); |
| 4431 | #else |
| 4432 | x_window (f); |
| 4433 | #endif |
| 4434 | |
| 4435 | x_icon (f, parms); |
| 4436 | x_make_gc (f); |
| 4437 | |
| 4438 | /* Now consider the frame official. */ |
| 4439 | FRAME_X_DISPLAY_INFO (f)->reference_count++; |
| 4440 | Vframe_list = Fcons (frame, Vframe_list); |
| 4441 | |
| 4442 | /* We need to do this after creating the X window, so that the |
| 4443 | icon-creation functions can say whose icon they're describing. */ |
| 4444 | x_default_parameter (f, parms, Qicon_type, Qnil, |
| 4445 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
| 4446 | |
| 4447 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
| 4448 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 4449 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
| 4450 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 4451 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
| 4452 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
| 4453 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
| 4454 | "scrollBarWidth", "ScrollBarWidth", |
| 4455 | RES_TYPE_NUMBER); |
| 4456 | |
| 4457 | /* Dimensions, especially f->height, must be done via change_frame_size. |
| 4458 | Change will not be effected unless different from the current |
| 4459 | f->height. */ |
| 4460 | width = f->width; |
| 4461 | height = f->height; |
| 4462 | |
| 4463 | f->height = 0; |
| 4464 | SET_FRAME_WIDTH (f, 0); |
| 4465 | change_frame_size (f, height, width, 1, 0, 0); |
| 4466 | |
| 4467 | /* Set up faces after all frame parameters are known. This call |
| 4468 | also merges in face attributes specified for new frames. If we |
| 4469 | don't do this, the `menu' face for instance won't have the right |
| 4470 | colors, and the menu bar won't appear in the specified colors for |
| 4471 | new frames. */ |
| 4472 | call1 (Qface_set_after_frame_default, frame); |
| 4473 | |
| 4474 | #ifdef USE_X_TOOLKIT |
| 4475 | /* Create the menu bar. */ |
| 4476 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) |
| 4477 | { |
| 4478 | /* If this signals an error, we haven't set size hints for the |
| 4479 | frame and we didn't make it visible. */ |
| 4480 | initialize_frame_menubar (f); |
| 4481 | |
| 4482 | /* This is a no-op, except under Motif where it arranges the |
| 4483 | main window for the widgets on it. */ |
| 4484 | lw_set_main_areas (f->output_data.x->column_widget, |
| 4485 | f->output_data.x->menubar_widget, |
| 4486 | f->output_data.x->edit_widget); |
| 4487 | } |
| 4488 | #endif /* USE_X_TOOLKIT */ |
| 4489 | |
| 4490 | /* Tell the server what size and position, etc, we want, and how |
| 4491 | badly we want them. This should be done after we have the menu |
| 4492 | bar so that its size can be taken into account. */ |
| 4493 | BLOCK_INPUT; |
| 4494 | x_wm_set_size_hint (f, window_prompting, 0); |
| 4495 | UNBLOCK_INPUT; |
| 4496 | |
| 4497 | /* Make the window appear on the frame and enable display, unless |
| 4498 | the caller says not to. However, with explicit parent, Emacs |
| 4499 | cannot control visibility, so don't try. */ |
| 4500 | if (! f->output_data.x->explicit_parent) |
| 4501 | { |
| 4502 | Lisp_Object visibility; |
| 4503 | |
| 4504 | visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, |
| 4505 | RES_TYPE_SYMBOL); |
| 4506 | if (EQ (visibility, Qunbound)) |
| 4507 | visibility = Qt; |
| 4508 | |
| 4509 | if (EQ (visibility, Qicon)) |
| 4510 | x_iconify_frame (f); |
| 4511 | else if (! NILP (visibility)) |
| 4512 | x_make_frame_visible (f); |
| 4513 | else |
| 4514 | /* Must have been Qnil. */ |
| 4515 | ; |
| 4516 | } |
| 4517 | |
| 4518 | UNGCPRO; |
| 4519 | |
| 4520 | /* Make sure windows on this frame appear in calls to next-window |
| 4521 | and similar functions. */ |
| 4522 | Vwindow_list = Qnil; |
| 4523 | |
| 4524 | return unbind_to (count, frame); |
| 4525 | } |
| 4526 | |
| 4527 | |
| 4528 | /* FRAME is used only to get a handle on the X display. We don't pass the |
| 4529 | display info directly because we're called from frame.c, which doesn't |
| 4530 | know about that structure. */ |
| 4531 | |
| 4532 | Lisp_Object |
| 4533 | x_get_focus_frame (frame) |
| 4534 | struct frame *frame; |
| 4535 | { |
| 4536 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (frame); |
| 4537 | Lisp_Object xfocus; |
| 4538 | if (! dpyinfo->x_focus_frame) |
| 4539 | return Qnil; |
| 4540 | |
| 4541 | XSETFRAME (xfocus, dpyinfo->x_focus_frame); |
| 4542 | return xfocus; |
| 4543 | } |
| 4544 | |
| 4545 | |
| 4546 | /* In certain situations, when the window manager follows a |
| 4547 | click-to-focus policy, there seems to be no way around calling |
| 4548 | XSetInputFocus to give another frame the input focus . |
| 4549 | |
| 4550 | In an ideal world, XSetInputFocus should generally be avoided so |
| 4551 | that applications don't interfere with the window manager's focus |
| 4552 | policy. But I think it's okay to use when it's clearly done |
| 4553 | following a user-command. */ |
| 4554 | |
| 4555 | DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0, |
| 4556 | doc: /* Set the input focus to FRAME. |
| 4557 | FRAME nil means use the selected frame. */) |
| 4558 | (frame) |
| 4559 | Lisp_Object frame; |
| 4560 | { |
| 4561 | struct frame *f = check_x_frame (frame); |
| 4562 | Display *dpy = FRAME_X_DISPLAY (f); |
| 4563 | int count; |
| 4564 | |
| 4565 | BLOCK_INPUT; |
| 4566 | count = x_catch_errors (dpy); |
| 4567 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 4568 | RevertToParent, CurrentTime); |
| 4569 | x_uncatch_errors (dpy, count); |
| 4570 | UNBLOCK_INPUT; |
| 4571 | |
| 4572 | return Qnil; |
| 4573 | } |
| 4574 | |
| 4575 | \f |
| 4576 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
| 4577 | doc: /* Internal function called by `color-defined-p', which see. */) |
| 4578 | (color, frame) |
| 4579 | Lisp_Object color, frame; |
| 4580 | { |
| 4581 | XColor foo; |
| 4582 | FRAME_PTR f = check_x_frame (frame); |
| 4583 | |
| 4584 | CHECK_STRING (color, 1); |
| 4585 | |
| 4586 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
| 4587 | return Qt; |
| 4588 | else |
| 4589 | return Qnil; |
| 4590 | } |
| 4591 | |
| 4592 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
| 4593 | doc: /* Internal function called by `color-values', which see. */) |
| 4594 | (color, frame) |
| 4595 | Lisp_Object color, frame; |
| 4596 | { |
| 4597 | XColor foo; |
| 4598 | FRAME_PTR f = check_x_frame (frame); |
| 4599 | |
| 4600 | CHECK_STRING (color, 1); |
| 4601 | |
| 4602 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
| 4603 | { |
| 4604 | Lisp_Object rgb[3]; |
| 4605 | |
| 4606 | rgb[0] = make_number (foo.red); |
| 4607 | rgb[1] = make_number (foo.green); |
| 4608 | rgb[2] = make_number (foo.blue); |
| 4609 | return Flist (3, rgb); |
| 4610 | } |
| 4611 | else |
| 4612 | return Qnil; |
| 4613 | } |
| 4614 | |
| 4615 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
| 4616 | doc: /* Internal function called by `display-color-p', which see. */) |
| 4617 | (display) |
| 4618 | Lisp_Object display; |
| 4619 | { |
| 4620 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4621 | |
| 4622 | if (dpyinfo->n_planes <= 2) |
| 4623 | return Qnil; |
| 4624 | |
| 4625 | switch (dpyinfo->visual->class) |
| 4626 | { |
| 4627 | case StaticColor: |
| 4628 | case PseudoColor: |
| 4629 | case TrueColor: |
| 4630 | case DirectColor: |
| 4631 | return Qt; |
| 4632 | |
| 4633 | default: |
| 4634 | return Qnil; |
| 4635 | } |
| 4636 | } |
| 4637 | |
| 4638 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
| 4639 | 0, 1, 0, |
| 4640 | doc: /* Return t if the X display supports shades of gray. |
| 4641 | Note that color displays do support shades of gray. |
| 4642 | The optional argument DISPLAY specifies which display to ask about. |
| 4643 | DISPLAY should be either a frame or a display name (a string). |
| 4644 | If omitted or nil, that stands for the selected frame's display. */) |
| 4645 | (display) |
| 4646 | Lisp_Object display; |
| 4647 | { |
| 4648 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4649 | |
| 4650 | if (dpyinfo->n_planes <= 1) |
| 4651 | return Qnil; |
| 4652 | |
| 4653 | switch (dpyinfo->visual->class) |
| 4654 | { |
| 4655 | case StaticColor: |
| 4656 | case PseudoColor: |
| 4657 | case TrueColor: |
| 4658 | case DirectColor: |
| 4659 | case StaticGray: |
| 4660 | case GrayScale: |
| 4661 | return Qt; |
| 4662 | |
| 4663 | default: |
| 4664 | return Qnil; |
| 4665 | } |
| 4666 | } |
| 4667 | |
| 4668 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
| 4669 | 0, 1, 0, |
| 4670 | doc: /* Returns the width in pixels of the X display DISPLAY. |
| 4671 | The optional argument DISPLAY specifies which display to ask about. |
| 4672 | DISPLAY should be either a frame or a display name (a string). |
| 4673 | If omitted or nil, that stands for the selected frame's display. */) |
| 4674 | (display) |
| 4675 | Lisp_Object display; |
| 4676 | { |
| 4677 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4678 | |
| 4679 | return make_number (dpyinfo->width); |
| 4680 | } |
| 4681 | |
| 4682 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, |
| 4683 | Sx_display_pixel_height, 0, 1, 0, |
| 4684 | doc: /* Returns the height in pixels of the X display DISPLAY. |
| 4685 | The optional argument DISPLAY specifies which display to ask about. |
| 4686 | DISPLAY should be either a frame or a display name (a string). |
| 4687 | If omitted or nil, that stands for the selected frame's display. */) |
| 4688 | (display) |
| 4689 | Lisp_Object display; |
| 4690 | { |
| 4691 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4692 | |
| 4693 | return make_number (dpyinfo->height); |
| 4694 | } |
| 4695 | |
| 4696 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, |
| 4697 | 0, 1, 0, |
| 4698 | doc: /* Returns the number of bitplanes of the X display DISPLAY. |
| 4699 | The optional argument DISPLAY specifies which display to ask about. |
| 4700 | DISPLAY should be either a frame or a display name (a string). |
| 4701 | If omitted or nil, that stands for the selected frame's display. */) |
| 4702 | (display) |
| 4703 | Lisp_Object display; |
| 4704 | { |
| 4705 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4706 | |
| 4707 | return make_number (dpyinfo->n_planes); |
| 4708 | } |
| 4709 | |
| 4710 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, |
| 4711 | 0, 1, 0, |
| 4712 | doc: /* Returns the number of color cells of the X display DISPLAY. |
| 4713 | The optional argument DISPLAY specifies which display to ask about. |
| 4714 | DISPLAY should be either a frame or a display name (a string). |
| 4715 | If omitted or nil, that stands for the selected frame's display. */) |
| 4716 | (display) |
| 4717 | Lisp_Object display; |
| 4718 | { |
| 4719 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4720 | |
| 4721 | return make_number (DisplayCells (dpyinfo->display, |
| 4722 | XScreenNumberOfScreen (dpyinfo->screen))); |
| 4723 | } |
| 4724 | |
| 4725 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
| 4726 | Sx_server_max_request_size, |
| 4727 | 0, 1, 0, |
| 4728 | doc: /* Returns the maximum request size of the X server of display DISPLAY. |
| 4729 | The optional argument DISPLAY specifies which display to ask about. |
| 4730 | DISPLAY should be either a frame or a display name (a string). |
| 4731 | If omitted or nil, that stands for the selected frame's display. */) |
| 4732 | (display) |
| 4733 | Lisp_Object display; |
| 4734 | { |
| 4735 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4736 | |
| 4737 | return make_number (MAXREQUEST (dpyinfo->display)); |
| 4738 | } |
| 4739 | |
| 4740 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
| 4741 | doc: /* Returns the vendor ID string of the X server of display DISPLAY. |
| 4742 | The optional argument DISPLAY specifies which display to ask about. |
| 4743 | DISPLAY should be either a frame or a display name (a string). |
| 4744 | If omitted or nil, that stands for the selected frame's display. */) |
| 4745 | (display) |
| 4746 | Lisp_Object display; |
| 4747 | { |
| 4748 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4749 | char *vendor = ServerVendor (dpyinfo->display); |
| 4750 | |
| 4751 | if (! vendor) vendor = ""; |
| 4752 | return build_string (vendor); |
| 4753 | } |
| 4754 | |
| 4755 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, |
| 4756 | doc: /* Returns the version numbers of the X server of display DISPLAY. |
| 4757 | The value is a list of three integers: the major and minor |
| 4758 | version numbers of the X Protocol in use, and the vendor-specific release |
| 4759 | number. See also the function `x-server-vendor'. |
| 4760 | |
| 4761 | The optional argument DISPLAY specifies which display to ask about. |
| 4762 | DISPLAY should be either a frame or a display name (a string). |
| 4763 | If omitted or nil, that stands for the selected frame's display. */) |
| 4764 | (display) |
| 4765 | Lisp_Object display; |
| 4766 | { |
| 4767 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4768 | Display *dpy = dpyinfo->display; |
| 4769 | |
| 4770 | return Fcons (make_number (ProtocolVersion (dpy)), |
| 4771 | Fcons (make_number (ProtocolRevision (dpy)), |
| 4772 | Fcons (make_number (VendorRelease (dpy)), Qnil))); |
| 4773 | } |
| 4774 | |
| 4775 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, |
| 4776 | doc: /* Return the number of screens on the X server of display DISPLAY. |
| 4777 | The optional argument DISPLAY specifies which display to ask about. |
| 4778 | DISPLAY should be either a frame or a display name (a string). |
| 4779 | If omitted or nil, that stands for the selected frame's display. */) |
| 4780 | (display) |
| 4781 | Lisp_Object display; |
| 4782 | { |
| 4783 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4784 | |
| 4785 | return make_number (ScreenCount (dpyinfo->display)); |
| 4786 | } |
| 4787 | |
| 4788 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, |
| 4789 | doc: /* Return the height in millimeters of the X display DISPLAY. |
| 4790 | The optional argument DISPLAY specifies which display to ask about. |
| 4791 | DISPLAY should be either a frame or a display name (a string). |
| 4792 | If omitted or nil, that stands for the selected frame's display. */) |
| 4793 | (display) |
| 4794 | Lisp_Object display; |
| 4795 | { |
| 4796 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4797 | |
| 4798 | return make_number (HeightMMOfScreen (dpyinfo->screen)); |
| 4799 | } |
| 4800 | |
| 4801 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, |
| 4802 | doc: /* Return the width in millimeters of the X display DISPLAY. |
| 4803 | The optional argument DISPLAY specifies which display to ask about. |
| 4804 | DISPLAY should be either a frame or a display name (a string). |
| 4805 | If omitted or nil, that stands for the selected frame's display. */) |
| 4806 | (display) |
| 4807 | Lisp_Object display; |
| 4808 | { |
| 4809 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4810 | |
| 4811 | return make_number (WidthMMOfScreen (dpyinfo->screen)); |
| 4812 | } |
| 4813 | |
| 4814 | DEFUN ("x-display-backing-store", Fx_display_backing_store, |
| 4815 | Sx_display_backing_store, 0, 1, 0, |
| 4816 | doc: /* Returns an indication of whether X display DISPLAY does backing store. |
| 4817 | The value may be `always', `when-mapped', or `not-useful'. |
| 4818 | The optional argument DISPLAY specifies which display to ask about. |
| 4819 | DISPLAY should be either a frame or a display name (a string). |
| 4820 | If omitted or nil, that stands for the selected frame's display. */) |
| 4821 | (display) |
| 4822 | Lisp_Object display; |
| 4823 | { |
| 4824 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4825 | Lisp_Object result; |
| 4826 | |
| 4827 | switch (DoesBackingStore (dpyinfo->screen)) |
| 4828 | { |
| 4829 | case Always: |
| 4830 | result = intern ("always"); |
| 4831 | break; |
| 4832 | |
| 4833 | case WhenMapped: |
| 4834 | result = intern ("when-mapped"); |
| 4835 | break; |
| 4836 | |
| 4837 | case NotUseful: |
| 4838 | result = intern ("not-useful"); |
| 4839 | break; |
| 4840 | |
| 4841 | default: |
| 4842 | error ("Strange value for BackingStore parameter of screen"); |
| 4843 | result = Qnil; |
| 4844 | } |
| 4845 | |
| 4846 | return result; |
| 4847 | } |
| 4848 | |
| 4849 | DEFUN ("x-display-visual-class", Fx_display_visual_class, |
| 4850 | Sx_display_visual_class, 0, 1, 0, |
| 4851 | doc: /* Return the visual class of the X display DISPLAY. |
| 4852 | The value is one of the symbols `static-gray', `gray-scale', |
| 4853 | `static-color', `pseudo-color', `true-color', or `direct-color'. |
| 4854 | |
| 4855 | The optional argument DISPLAY specifies which display to ask about. |
| 4856 | DISPLAY should be either a frame or a display name (a string). |
| 4857 | If omitted or nil, that stands for the selected frame's display. */) |
| 4858 | (display) |
| 4859 | Lisp_Object display; |
| 4860 | { |
| 4861 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4862 | Lisp_Object result; |
| 4863 | |
| 4864 | switch (dpyinfo->visual->class) |
| 4865 | { |
| 4866 | case StaticGray: |
| 4867 | result = intern ("static-gray"); |
| 4868 | break; |
| 4869 | case GrayScale: |
| 4870 | result = intern ("gray-scale"); |
| 4871 | break; |
| 4872 | case StaticColor: |
| 4873 | result = intern ("static-color"); |
| 4874 | break; |
| 4875 | case PseudoColor: |
| 4876 | result = intern ("pseudo-color"); |
| 4877 | break; |
| 4878 | case TrueColor: |
| 4879 | result = intern ("true-color"); |
| 4880 | break; |
| 4881 | case DirectColor: |
| 4882 | result = intern ("direct-color"); |
| 4883 | break; |
| 4884 | default: |
| 4885 | error ("Display has an unknown visual class"); |
| 4886 | result = Qnil; |
| 4887 | } |
| 4888 | |
| 4889 | return result; |
| 4890 | } |
| 4891 | |
| 4892 | DEFUN ("x-display-save-under", Fx_display_save_under, |
| 4893 | Sx_display_save_under, 0, 1, 0, |
| 4894 | doc: /* Returns t if the X display DISPLAY supports the save-under feature. |
| 4895 | The optional argument DISPLAY specifies which display to ask about. |
| 4896 | DISPLAY should be either a frame or a display name (a string). |
| 4897 | If omitted or nil, that stands for the selected frame's display. */) |
| 4898 | (display) |
| 4899 | Lisp_Object display; |
| 4900 | { |
| 4901 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 4902 | |
| 4903 | if (DoesSaveUnders (dpyinfo->screen) == True) |
| 4904 | return Qt; |
| 4905 | else |
| 4906 | return Qnil; |
| 4907 | } |
| 4908 | \f |
| 4909 | int |
| 4910 | x_pixel_width (f) |
| 4911 | register struct frame *f; |
| 4912 | { |
| 4913 | return PIXEL_WIDTH (f); |
| 4914 | } |
| 4915 | |
| 4916 | int |
| 4917 | x_pixel_height (f) |
| 4918 | register struct frame *f; |
| 4919 | { |
| 4920 | return PIXEL_HEIGHT (f); |
| 4921 | } |
| 4922 | |
| 4923 | int |
| 4924 | x_char_width (f) |
| 4925 | register struct frame *f; |
| 4926 | { |
| 4927 | return FONT_WIDTH (f->output_data.x->font); |
| 4928 | } |
| 4929 | |
| 4930 | int |
| 4931 | x_char_height (f) |
| 4932 | register struct frame *f; |
| 4933 | { |
| 4934 | return f->output_data.x->line_height; |
| 4935 | } |
| 4936 | |
| 4937 | int |
| 4938 | x_screen_planes (f) |
| 4939 | register struct frame *f; |
| 4940 | { |
| 4941 | return FRAME_X_DISPLAY_INFO (f)->n_planes; |
| 4942 | } |
| 4943 | |
| 4944 | |
| 4945 | \f |
| 4946 | /************************************************************************ |
| 4947 | X Displays |
| 4948 | ************************************************************************/ |
| 4949 | |
| 4950 | \f |
| 4951 | /* Mapping visual names to visuals. */ |
| 4952 | |
| 4953 | static struct visual_class |
| 4954 | { |
| 4955 | char *name; |
| 4956 | int class; |
| 4957 | } |
| 4958 | visual_classes[] = |
| 4959 | { |
| 4960 | {"StaticGray", StaticGray}, |
| 4961 | {"GrayScale", GrayScale}, |
| 4962 | {"StaticColor", StaticColor}, |
| 4963 | {"PseudoColor", PseudoColor}, |
| 4964 | {"TrueColor", TrueColor}, |
| 4965 | {"DirectColor", DirectColor}, |
| 4966 | NULL |
| 4967 | }; |
| 4968 | |
| 4969 | |
| 4970 | #ifndef HAVE_XSCREENNUMBEROFSCREEN |
| 4971 | |
| 4972 | /* Value is the screen number of screen SCR. This is a substitute for |
| 4973 | the X function with the same name when that doesn't exist. */ |
| 4974 | |
| 4975 | int |
| 4976 | XScreenNumberOfScreen (scr) |
| 4977 | register Screen *scr; |
| 4978 | { |
| 4979 | Display *dpy = scr->display; |
| 4980 | int i; |
| 4981 | |
| 4982 | for (i = 0; i < dpy->nscreens; ++i) |
| 4983 | if (scr == dpy->screens[i]) |
| 4984 | break; |
| 4985 | |
| 4986 | return i; |
| 4987 | } |
| 4988 | |
| 4989 | #endif /* not HAVE_XSCREENNUMBEROFSCREEN */ |
| 4990 | |
| 4991 | |
| 4992 | /* Select the visual that should be used on display DPYINFO. Set |
| 4993 | members of DPYINFO appropriately. Called from x_term_init. */ |
| 4994 | |
| 4995 | void |
| 4996 | select_visual (dpyinfo) |
| 4997 | struct x_display_info *dpyinfo; |
| 4998 | { |
| 4999 | Display *dpy = dpyinfo->display; |
| 5000 | Screen *screen = dpyinfo->screen; |
| 5001 | Lisp_Object value; |
| 5002 | |
| 5003 | /* See if a visual is specified. */ |
| 5004 | value = display_x_get_resource (dpyinfo, |
| 5005 | build_string ("visualClass"), |
| 5006 | build_string ("VisualClass"), |
| 5007 | Qnil, Qnil); |
| 5008 | if (STRINGP (value)) |
| 5009 | { |
| 5010 | /* VALUE should be of the form CLASS-DEPTH, where CLASS is one |
| 5011 | of `PseudoColor', `TrueColor' etc. and DEPTH is the color |
| 5012 | depth, a decimal number. NAME is compared with case ignored. */ |
| 5013 | char *s = (char *) alloca (STRING_BYTES (XSTRING (value)) + 1); |
| 5014 | char *dash; |
| 5015 | int i, class = -1; |
| 5016 | XVisualInfo vinfo; |
| 5017 | |
| 5018 | strcpy (s, XSTRING (value)->data); |
| 5019 | dash = index (s, '-'); |
| 5020 | if (dash) |
| 5021 | { |
| 5022 | dpyinfo->n_planes = atoi (dash + 1); |
| 5023 | *dash = '\0'; |
| 5024 | } |
| 5025 | else |
| 5026 | /* We won't find a matching visual with depth 0, so that |
| 5027 | an error will be printed below. */ |
| 5028 | dpyinfo->n_planes = 0; |
| 5029 | |
| 5030 | /* Determine the visual class. */ |
| 5031 | for (i = 0; visual_classes[i].name; ++i) |
| 5032 | if (xstricmp (s, visual_classes[i].name) == 0) |
| 5033 | { |
| 5034 | class = visual_classes[i].class; |
| 5035 | break; |
| 5036 | } |
| 5037 | |
| 5038 | /* Look up a matching visual for the specified class. */ |
| 5039 | if (class == -1 |
| 5040 | || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen), |
| 5041 | dpyinfo->n_planes, class, &vinfo)) |
| 5042 | fatal ("Invalid visual specification `%s'", XSTRING (value)->data); |
| 5043 | |
| 5044 | dpyinfo->visual = vinfo.visual; |
| 5045 | } |
| 5046 | else |
| 5047 | { |
| 5048 | int n_visuals; |
| 5049 | XVisualInfo *vinfo, vinfo_template; |
| 5050 | |
| 5051 | dpyinfo->visual = DefaultVisualOfScreen (screen); |
| 5052 | |
| 5053 | #ifdef HAVE_X11R4 |
| 5054 | vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual); |
| 5055 | #else |
| 5056 | vinfo_template.visualid = dpyinfo->visual->visualid; |
| 5057 | #endif |
| 5058 | vinfo_template.screen = XScreenNumberOfScreen (screen); |
| 5059 | vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask, |
| 5060 | &vinfo_template, &n_visuals); |
| 5061 | if (n_visuals != 1) |
| 5062 | fatal ("Can't get proper X visual info"); |
| 5063 | |
| 5064 | dpyinfo->n_planes = vinfo->depth; |
| 5065 | XFree ((char *) vinfo); |
| 5066 | } |
| 5067 | } |
| 5068 | |
| 5069 | |
| 5070 | /* Return the X display structure for the display named NAME. |
| 5071 | Open a new connection if necessary. */ |
| 5072 | |
| 5073 | struct x_display_info * |
| 5074 | x_display_info_for_name (name) |
| 5075 | Lisp_Object name; |
| 5076 | { |
| 5077 | Lisp_Object names; |
| 5078 | struct x_display_info *dpyinfo; |
| 5079 | |
| 5080 | CHECK_STRING (name, 0); |
| 5081 | |
| 5082 | if (! EQ (Vwindow_system, intern ("x"))) |
| 5083 | error ("Not using X Windows"); |
| 5084 | |
| 5085 | for (dpyinfo = x_display_list, names = x_display_name_list; |
| 5086 | dpyinfo; |
| 5087 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
| 5088 | { |
| 5089 | Lisp_Object tem; |
| 5090 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
| 5091 | if (!NILP (tem)) |
| 5092 | return dpyinfo; |
| 5093 | } |
| 5094 | |
| 5095 | /* Use this general default value to start with. */ |
| 5096 | Vx_resource_name = Vinvocation_name; |
| 5097 | |
| 5098 | validate_x_resource_name (); |
| 5099 | |
| 5100 | dpyinfo = x_term_init (name, (char *)0, |
| 5101 | (char *) XSTRING (Vx_resource_name)->data); |
| 5102 | |
| 5103 | if (dpyinfo == 0) |
| 5104 | error ("Cannot connect to X server %s", XSTRING (name)->data); |
| 5105 | |
| 5106 | x_in_use = 1; |
| 5107 | XSETFASTINT (Vwindow_system_version, 11); |
| 5108 | |
| 5109 | return dpyinfo; |
| 5110 | } |
| 5111 | |
| 5112 | |
| 5113 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
| 5114 | 1, 3, 0, |
| 5115 | doc: /* Open a connection to an X server. |
| 5116 | DISPLAY is the name of the display to connect to. |
| 5117 | Optional second arg XRM-STRING is a string of resources in xrdb format. |
| 5118 | If the optional third arg MUST-SUCCEED is non-nil, |
| 5119 | terminate Emacs if we can't open the connection. */) |
| 5120 | (display, xrm_string, must_succeed) |
| 5121 | Lisp_Object display, xrm_string, must_succeed; |
| 5122 | { |
| 5123 | unsigned char *xrm_option; |
| 5124 | struct x_display_info *dpyinfo; |
| 5125 | |
| 5126 | CHECK_STRING (display, 0); |
| 5127 | if (! NILP (xrm_string)) |
| 5128 | CHECK_STRING (xrm_string, 1); |
| 5129 | |
| 5130 | if (! EQ (Vwindow_system, intern ("x"))) |
| 5131 | error ("Not using X Windows"); |
| 5132 | |
| 5133 | if (! NILP (xrm_string)) |
| 5134 | xrm_option = (unsigned char *) XSTRING (xrm_string)->data; |
| 5135 | else |
| 5136 | xrm_option = (unsigned char *) 0; |
| 5137 | |
| 5138 | validate_x_resource_name (); |
| 5139 | |
| 5140 | /* This is what opens the connection and sets x_current_display. |
| 5141 | This also initializes many symbols, such as those used for input. */ |
| 5142 | dpyinfo = x_term_init (display, xrm_option, |
| 5143 | (char *) XSTRING (Vx_resource_name)->data); |
| 5144 | |
| 5145 | if (dpyinfo == 0) |
| 5146 | { |
| 5147 | if (!NILP (must_succeed)) |
| 5148 | fatal ("Cannot connect to X server %s.\n\ |
| 5149 | Check the DISPLAY environment variable or use `-d'.\n\ |
| 5150 | Also use the `xhost' program to verify that it is set to permit\n\ |
| 5151 | connections from your machine.\n", |
| 5152 | XSTRING (display)->data); |
| 5153 | else |
| 5154 | error ("Cannot connect to X server %s", XSTRING (display)->data); |
| 5155 | } |
| 5156 | |
| 5157 | x_in_use = 1; |
| 5158 | |
| 5159 | XSETFASTINT (Vwindow_system_version, 11); |
| 5160 | return Qnil; |
| 5161 | } |
| 5162 | |
| 5163 | DEFUN ("x-close-connection", Fx_close_connection, |
| 5164 | Sx_close_connection, 1, 1, 0, |
| 5165 | doc: /* Close the connection to DISPLAY's X server. |
| 5166 | For DISPLAY, specify either a frame or a display name (a string). |
| 5167 | If DISPLAY is nil, that stands for the selected frame's display. */) |
| 5168 | (display) |
| 5169 | Lisp_Object display; |
| 5170 | { |
| 5171 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 5172 | int i; |
| 5173 | |
| 5174 | if (dpyinfo->reference_count > 0) |
| 5175 | error ("Display still has frames on it"); |
| 5176 | |
| 5177 | BLOCK_INPUT; |
| 5178 | /* Free the fonts in the font table. */ |
| 5179 | for (i = 0; i < dpyinfo->n_fonts; i++) |
| 5180 | if (dpyinfo->font_table[i].name) |
| 5181 | { |
| 5182 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
| 5183 | xfree (dpyinfo->font_table[i].full_name); |
| 5184 | xfree (dpyinfo->font_table[i].name); |
| 5185 | XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); |
| 5186 | } |
| 5187 | |
| 5188 | x_destroy_all_bitmaps (dpyinfo); |
| 5189 | XSetCloseDownMode (dpyinfo->display, DestroyAll); |
| 5190 | |
| 5191 | #ifdef USE_X_TOOLKIT |
| 5192 | XtCloseDisplay (dpyinfo->display); |
| 5193 | #else |
| 5194 | XCloseDisplay (dpyinfo->display); |
| 5195 | #endif |
| 5196 | |
| 5197 | x_delete_display (dpyinfo); |
| 5198 | UNBLOCK_INPUT; |
| 5199 | |
| 5200 | return Qnil; |
| 5201 | } |
| 5202 | |
| 5203 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
| 5204 | doc: /* Return the list of display names that Emacs has connections to. */) |
| 5205 | () |
| 5206 | { |
| 5207 | Lisp_Object tail, result; |
| 5208 | |
| 5209 | result = Qnil; |
| 5210 | for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
| 5211 | result = Fcons (XCAR (XCAR (tail)), result); |
| 5212 | |
| 5213 | return result; |
| 5214 | } |
| 5215 | |
| 5216 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, |
| 5217 | doc: /* If ON is non-nil, report X errors as soon as the erring request is made. |
| 5218 | If ON is nil, allow buffering of requests. |
| 5219 | Turning on synchronization prohibits the Xlib routines from buffering |
| 5220 | requests and seriously degrades performance, but makes debugging much |
| 5221 | easier. |
| 5222 | The optional second argument DISPLAY specifies which display to act on. |
| 5223 | DISPLAY should be either a frame or a display name (a string). |
| 5224 | If DISPLAY is omitted or nil, that stands for the selected frame's display. */) |
| 5225 | (on, display) |
| 5226 | Lisp_Object display, on; |
| 5227 | { |
| 5228 | struct x_display_info *dpyinfo = check_x_display_info (display); |
| 5229 | |
| 5230 | XSynchronize (dpyinfo->display, !EQ (on, Qnil)); |
| 5231 | |
| 5232 | return Qnil; |
| 5233 | } |
| 5234 | |
| 5235 | /* Wait for responses to all X commands issued so far for frame F. */ |
| 5236 | |
| 5237 | void |
| 5238 | x_sync (f) |
| 5239 | FRAME_PTR f; |
| 5240 | { |
| 5241 | BLOCK_INPUT; |
| 5242 | XSync (FRAME_X_DISPLAY (f), False); |
| 5243 | UNBLOCK_INPUT; |
| 5244 | } |
| 5245 | |
| 5246 | \f |
| 5247 | /*********************************************************************** |
| 5248 | Image types |
| 5249 | ***********************************************************************/ |
| 5250 | |
| 5251 | /* Value is the number of elements of vector VECTOR. */ |
| 5252 | |
| 5253 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) |
| 5254 | |
| 5255 | /* List of supported image types. Use define_image_type to add new |
| 5256 | types. Use lookup_image_type to find a type for a given symbol. */ |
| 5257 | |
| 5258 | static struct image_type *image_types; |
| 5259 | |
| 5260 | /* The symbol `image' which is the car of the lists used to represent |
| 5261 | images in Lisp. */ |
| 5262 | |
| 5263 | extern Lisp_Object Qimage; |
| 5264 | |
| 5265 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ |
| 5266 | |
| 5267 | Lisp_Object Qxbm; |
| 5268 | |
| 5269 | /* Keywords. */ |
| 5270 | |
| 5271 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
| 5272 | extern Lisp_Object QCdata; |
| 5273 | Lisp_Object QCtype, QCascent, QCmargin, QCrelief; |
| 5274 | Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; |
| 5275 | Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; |
| 5276 | |
| 5277 | /* Other symbols. */ |
| 5278 | |
| 5279 | Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; |
| 5280 | |
| 5281 | /* Time in seconds after which images should be removed from the cache |
| 5282 | if not displayed. */ |
| 5283 | |
| 5284 | Lisp_Object Vimage_cache_eviction_delay; |
| 5285 | |
| 5286 | /* Function prototypes. */ |
| 5287 | |
| 5288 | static void define_image_type P_ ((struct image_type *type)); |
| 5289 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); |
| 5290 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); |
| 5291 | static void x_laplace P_ ((struct frame *, struct image *)); |
| 5292 | static void x_emboss P_ ((struct frame *, struct image *)); |
| 5293 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
| 5294 | Lisp_Object)); |
| 5295 | |
| 5296 | |
| 5297 | /* Define a new image type from TYPE. This adds a copy of TYPE to |
| 5298 | image_types and adds the symbol *TYPE->type to Vimage_types. */ |
| 5299 | |
| 5300 | static void |
| 5301 | define_image_type (type) |
| 5302 | struct image_type *type; |
| 5303 | { |
| 5304 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. |
| 5305 | The initialized data segment is read-only. */ |
| 5306 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); |
| 5307 | bcopy (type, p, sizeof *p); |
| 5308 | p->next = image_types; |
| 5309 | image_types = p; |
| 5310 | Vimage_types = Fcons (*p->type, Vimage_types); |
| 5311 | } |
| 5312 | |
| 5313 | |
| 5314 | /* Look up image type SYMBOL, and return a pointer to its image_type |
| 5315 | structure. Value is null if SYMBOL is not a known image type. */ |
| 5316 | |
| 5317 | static INLINE struct image_type * |
| 5318 | lookup_image_type (symbol) |
| 5319 | Lisp_Object symbol; |
| 5320 | { |
| 5321 | struct image_type *type; |
| 5322 | |
| 5323 | for (type = image_types; type; type = type->next) |
| 5324 | if (EQ (symbol, *type->type)) |
| 5325 | break; |
| 5326 | |
| 5327 | return type; |
| 5328 | } |
| 5329 | |
| 5330 | |
| 5331 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A |
| 5332 | valid image specification is a list whose car is the symbol |
| 5333 | `image', and whose rest is a property list. The property list must |
| 5334 | contain a value for key `:type'. That value must be the name of a |
| 5335 | supported image type. The rest of the property list depends on the |
| 5336 | image type. */ |
| 5337 | |
| 5338 | int |
| 5339 | valid_image_p (object) |
| 5340 | Lisp_Object object; |
| 5341 | { |
| 5342 | int valid_p = 0; |
| 5343 | |
| 5344 | if (CONSP (object) && EQ (XCAR (object), Qimage)) |
| 5345 | { |
| 5346 | Lisp_Object tem; |
| 5347 | |
| 5348 | for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem)) |
| 5349 | if (EQ (XCAR (tem), QCtype)) |
| 5350 | { |
| 5351 | tem = XCDR (tem); |
| 5352 | if (CONSP (tem) && SYMBOLP (XCAR (tem))) |
| 5353 | { |
| 5354 | struct image_type *type; |
| 5355 | type = lookup_image_type (XCAR (tem)); |
| 5356 | if (type) |
| 5357 | valid_p = type->valid_p (object); |
| 5358 | } |
| 5359 | |
| 5360 | break; |
| 5361 | } |
| 5362 | } |
| 5363 | |
| 5364 | return valid_p; |
| 5365 | } |
| 5366 | |
| 5367 | |
| 5368 | /* Log error message with format string FORMAT and argument ARG. |
| 5369 | Signaling an error, e.g. when an image cannot be loaded, is not a |
| 5370 | good idea because this would interrupt redisplay, and the error |
| 5371 | message display would lead to another redisplay. This function |
| 5372 | therefore simply displays a message. */ |
| 5373 | |
| 5374 | static void |
| 5375 | image_error (format, arg1, arg2) |
| 5376 | char *format; |
| 5377 | Lisp_Object arg1, arg2; |
| 5378 | { |
| 5379 | add_to_log (format, arg1, arg2); |
| 5380 | } |
| 5381 | |
| 5382 | |
| 5383 | \f |
| 5384 | /*********************************************************************** |
| 5385 | Image specifications |
| 5386 | ***********************************************************************/ |
| 5387 | |
| 5388 | enum image_value_type |
| 5389 | { |
| 5390 | IMAGE_DONT_CHECK_VALUE_TYPE, |
| 5391 | IMAGE_STRING_VALUE, |
| 5392 | IMAGE_STRING_OR_NIL_VALUE, |
| 5393 | IMAGE_SYMBOL_VALUE, |
| 5394 | IMAGE_POSITIVE_INTEGER_VALUE, |
| 5395 | IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, |
| 5396 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, |
| 5397 | IMAGE_ASCENT_VALUE, |
| 5398 | IMAGE_INTEGER_VALUE, |
| 5399 | IMAGE_FUNCTION_VALUE, |
| 5400 | IMAGE_NUMBER_VALUE, |
| 5401 | IMAGE_BOOL_VALUE |
| 5402 | }; |
| 5403 | |
| 5404 | /* Structure used when parsing image specifications. */ |
| 5405 | |
| 5406 | struct image_keyword |
| 5407 | { |
| 5408 | /* Name of keyword. */ |
| 5409 | char *name; |
| 5410 | |
| 5411 | /* The type of value allowed. */ |
| 5412 | enum image_value_type type; |
| 5413 | |
| 5414 | /* Non-zero means key must be present. */ |
| 5415 | int mandatory_p; |
| 5416 | |
| 5417 | /* Used to recognize duplicate keywords in a property list. */ |
| 5418 | int count; |
| 5419 | |
| 5420 | /* The value that was found. */ |
| 5421 | Lisp_Object value; |
| 5422 | }; |
| 5423 | |
| 5424 | |
| 5425 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
| 5426 | int, Lisp_Object)); |
| 5427 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
| 5428 | |
| 5429 | |
| 5430 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec |
| 5431 | has the format (image KEYWORD VALUE ...). One of the keyword/ |
| 5432 | value pairs must be `:type TYPE'. KEYWORDS is a vector of |
| 5433 | image_keywords structures of size NKEYWORDS describing other |
| 5434 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
| 5435 | |
| 5436 | static int |
| 5437 | parse_image_spec (spec, keywords, nkeywords, type) |
| 5438 | Lisp_Object spec; |
| 5439 | struct image_keyword *keywords; |
| 5440 | int nkeywords; |
| 5441 | Lisp_Object type; |
| 5442 | { |
| 5443 | int i; |
| 5444 | Lisp_Object plist; |
| 5445 | |
| 5446 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) |
| 5447 | return 0; |
| 5448 | |
| 5449 | plist = XCDR (spec); |
| 5450 | while (CONSP (plist)) |
| 5451 | { |
| 5452 | Lisp_Object key, value; |
| 5453 | |
| 5454 | /* First element of a pair must be a symbol. */ |
| 5455 | key = XCAR (plist); |
| 5456 | plist = XCDR (plist); |
| 5457 | if (!SYMBOLP (key)) |
| 5458 | return 0; |
| 5459 | |
| 5460 | /* There must follow a value. */ |
| 5461 | if (!CONSP (plist)) |
| 5462 | return 0; |
| 5463 | value = XCAR (plist); |
| 5464 | plist = XCDR (plist); |
| 5465 | |
| 5466 | /* Find key in KEYWORDS. Error if not found. */ |
| 5467 | for (i = 0; i < nkeywords; ++i) |
| 5468 | if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0) |
| 5469 | break; |
| 5470 | |
| 5471 | if (i == nkeywords) |
| 5472 | continue; |
| 5473 | |
| 5474 | /* Record that we recognized the keyword. If a keywords |
| 5475 | was found more than once, it's an error. */ |
| 5476 | keywords[i].value = value; |
| 5477 | ++keywords[i].count; |
| 5478 | |
| 5479 | if (keywords[i].count > 1) |
| 5480 | return 0; |
| 5481 | |
| 5482 | /* Check type of value against allowed type. */ |
| 5483 | switch (keywords[i].type) |
| 5484 | { |
| 5485 | case IMAGE_STRING_VALUE: |
| 5486 | if (!STRINGP (value)) |
| 5487 | return 0; |
| 5488 | break; |
| 5489 | |
| 5490 | case IMAGE_STRING_OR_NIL_VALUE: |
| 5491 | if (!STRINGP (value) && !NILP (value)) |
| 5492 | return 0; |
| 5493 | break; |
| 5494 | |
| 5495 | case IMAGE_SYMBOL_VALUE: |
| 5496 | if (!SYMBOLP (value)) |
| 5497 | return 0; |
| 5498 | break; |
| 5499 | |
| 5500 | case IMAGE_POSITIVE_INTEGER_VALUE: |
| 5501 | if (!INTEGERP (value) || XINT (value) <= 0) |
| 5502 | return 0; |
| 5503 | break; |
| 5504 | |
| 5505 | case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: |
| 5506 | if (INTEGERP (value) && XINT (value) >= 0) |
| 5507 | break; |
| 5508 | if (CONSP (value) |
| 5509 | && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) |
| 5510 | && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) |
| 5511 | break; |
| 5512 | return 0; |
| 5513 | |
| 5514 | case IMAGE_ASCENT_VALUE: |
| 5515 | if (SYMBOLP (value) && EQ (value, Qcenter)) |
| 5516 | break; |
| 5517 | else if (INTEGERP (value) |
| 5518 | && XINT (value) >= 0 |
| 5519 | && XINT (value) <= 100) |
| 5520 | break; |
| 5521 | return 0; |
| 5522 | |
| 5523 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
| 5524 | if (!INTEGERP (value) || XINT (value) < 0) |
| 5525 | return 0; |
| 5526 | break; |
| 5527 | |
| 5528 | case IMAGE_DONT_CHECK_VALUE_TYPE: |
| 5529 | break; |
| 5530 | |
| 5531 | case IMAGE_FUNCTION_VALUE: |
| 5532 | value = indirect_function (value); |
| 5533 | if (SUBRP (value) |
| 5534 | || COMPILEDP (value) |
| 5535 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) |
| 5536 | break; |
| 5537 | return 0; |
| 5538 | |
| 5539 | case IMAGE_NUMBER_VALUE: |
| 5540 | if (!INTEGERP (value) && !FLOATP (value)) |
| 5541 | return 0; |
| 5542 | break; |
| 5543 | |
| 5544 | case IMAGE_INTEGER_VALUE: |
| 5545 | if (!INTEGERP (value)) |
| 5546 | return 0; |
| 5547 | break; |
| 5548 | |
| 5549 | case IMAGE_BOOL_VALUE: |
| 5550 | if (!NILP (value) && !EQ (value, Qt)) |
| 5551 | return 0; |
| 5552 | break; |
| 5553 | |
| 5554 | default: |
| 5555 | abort (); |
| 5556 | break; |
| 5557 | } |
| 5558 | |
| 5559 | if (EQ (key, QCtype) && !EQ (type, value)) |
| 5560 | return 0; |
| 5561 | } |
| 5562 | |
| 5563 | /* Check that all mandatory fields are present. */ |
| 5564 | for (i = 0; i < nkeywords; ++i) |
| 5565 | if (keywords[i].mandatory_p && keywords[i].count == 0) |
| 5566 | return 0; |
| 5567 | |
| 5568 | return NILP (plist); |
| 5569 | } |
| 5570 | |
| 5571 | |
| 5572 | /* Return the value of KEY in image specification SPEC. Value is nil |
| 5573 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND |
| 5574 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ |
| 5575 | |
| 5576 | static Lisp_Object |
| 5577 | image_spec_value (spec, key, found) |
| 5578 | Lisp_Object spec, key; |
| 5579 | int *found; |
| 5580 | { |
| 5581 | Lisp_Object tail; |
| 5582 | |
| 5583 | xassert (valid_image_p (spec)); |
| 5584 | |
| 5585 | for (tail = XCDR (spec); |
| 5586 | CONSP (tail) && CONSP (XCDR (tail)); |
| 5587 | tail = XCDR (XCDR (tail))) |
| 5588 | { |
| 5589 | if (EQ (XCAR (tail), key)) |
| 5590 | { |
| 5591 | if (found) |
| 5592 | *found = 1; |
| 5593 | return XCAR (XCDR (tail)); |
| 5594 | } |
| 5595 | } |
| 5596 | |
| 5597 | if (found) |
| 5598 | *found = 0; |
| 5599 | return Qnil; |
| 5600 | } |
| 5601 | |
| 5602 | |
| 5603 | DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, |
| 5604 | doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT). |
| 5605 | PIXELS non-nil means return the size in pixels, otherwise return the |
| 5606 | size in canonical character units. |
| 5607 | FRAME is the frame on which the image will be displayed. FRAME nil |
| 5608 | or omitted means use the selected frame. */) |
| 5609 | (spec, pixels, frame) |
| 5610 | Lisp_Object spec, pixels, frame; |
| 5611 | { |
| 5612 | Lisp_Object size; |
| 5613 | |
| 5614 | size = Qnil; |
| 5615 | if (valid_image_p (spec)) |
| 5616 | { |
| 5617 | struct frame *f = check_x_frame (frame); |
| 5618 | int id = lookup_image (f, spec); |
| 5619 | struct image *img = IMAGE_FROM_ID (f, id); |
| 5620 | int width = img->width + 2 * img->hmargin; |
| 5621 | int height = img->height + 2 * img->vmargin; |
| 5622 | |
| 5623 | if (NILP (pixels)) |
| 5624 | size = Fcons (make_float ((double) width / CANON_X_UNIT (f)), |
| 5625 | make_float ((double) height / CANON_Y_UNIT (f))); |
| 5626 | else |
| 5627 | size = Fcons (make_number (width), make_number (height)); |
| 5628 | } |
| 5629 | else |
| 5630 | error ("Invalid image specification"); |
| 5631 | |
| 5632 | return size; |
| 5633 | } |
| 5634 | |
| 5635 | |
| 5636 | DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, |
| 5637 | doc: /* Return t if image SPEC has a mask bitmap. |
| 5638 | FRAME is the frame on which the image will be displayed. FRAME nil |
| 5639 | or omitted means use the selected frame. */) |
| 5640 | (spec, frame) |
| 5641 | Lisp_Object spec, frame; |
| 5642 | { |
| 5643 | Lisp_Object mask; |
| 5644 | |
| 5645 | mask = Qnil; |
| 5646 | if (valid_image_p (spec)) |
| 5647 | { |
| 5648 | struct frame *f = check_x_frame (frame); |
| 5649 | int id = lookup_image (f, spec); |
| 5650 | struct image *img = IMAGE_FROM_ID (f, id); |
| 5651 | if (img->mask) |
| 5652 | mask = Qt; |
| 5653 | } |
| 5654 | else |
| 5655 | error ("Invalid image specification"); |
| 5656 | |
| 5657 | return mask; |
| 5658 | } |
| 5659 | |
| 5660 | |
| 5661 | \f |
| 5662 | /*********************************************************************** |
| 5663 | Image type independent image structures |
| 5664 | ***********************************************************************/ |
| 5665 | |
| 5666 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); |
| 5667 | static void free_image P_ ((struct frame *f, struct image *img)); |
| 5668 | |
| 5669 | |
| 5670 | /* Allocate and return a new image structure for image specification |
| 5671 | SPEC. SPEC has a hash value of HASH. */ |
| 5672 | |
| 5673 | static struct image * |
| 5674 | make_image (spec, hash) |
| 5675 | Lisp_Object spec; |
| 5676 | unsigned hash; |
| 5677 | { |
| 5678 | struct image *img = (struct image *) xmalloc (sizeof *img); |
| 5679 | |
| 5680 | xassert (valid_image_p (spec)); |
| 5681 | bzero (img, sizeof *img); |
| 5682 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); |
| 5683 | xassert (img->type != NULL); |
| 5684 | img->spec = spec; |
| 5685 | img->data.lisp_val = Qnil; |
| 5686 | img->ascent = DEFAULT_IMAGE_ASCENT; |
| 5687 | img->hash = hash; |
| 5688 | return img; |
| 5689 | } |
| 5690 | |
| 5691 | |
| 5692 | /* Free image IMG which was used on frame F, including its resources. */ |
| 5693 | |
| 5694 | static void |
| 5695 | free_image (f, img) |
| 5696 | struct frame *f; |
| 5697 | struct image *img; |
| 5698 | { |
| 5699 | if (img) |
| 5700 | { |
| 5701 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 5702 | |
| 5703 | /* Remove IMG from the hash table of its cache. */ |
| 5704 | if (img->prev) |
| 5705 | img->prev->next = img->next; |
| 5706 | else |
| 5707 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; |
| 5708 | |
| 5709 | if (img->next) |
| 5710 | img->next->prev = img->prev; |
| 5711 | |
| 5712 | c->images[img->id] = NULL; |
| 5713 | |
| 5714 | /* Free resources, then free IMG. */ |
| 5715 | img->type->free (f, img); |
| 5716 | xfree (img); |
| 5717 | } |
| 5718 | } |
| 5719 | |
| 5720 | |
| 5721 | /* Prepare image IMG for display on frame F. Must be called before |
| 5722 | drawing an image. */ |
| 5723 | |
| 5724 | void |
| 5725 | prepare_image_for_display (f, img) |
| 5726 | struct frame *f; |
| 5727 | struct image *img; |
| 5728 | { |
| 5729 | EMACS_TIME t; |
| 5730 | |
| 5731 | /* We're about to display IMG, so set its timestamp to `now'. */ |
| 5732 | EMACS_GET_TIME (t); |
| 5733 | img->timestamp = EMACS_SECS (t); |
| 5734 | |
| 5735 | /* If IMG doesn't have a pixmap yet, load it now, using the image |
| 5736 | type dependent loader function. */ |
| 5737 | if (img->pixmap == None && !img->load_failed_p) |
| 5738 | img->load_failed_p = img->type->load (f, img) == 0; |
| 5739 | } |
| 5740 | |
| 5741 | |
| 5742 | /* Value is the number of pixels for the ascent of image IMG when |
| 5743 | drawn in face FACE. */ |
| 5744 | |
| 5745 | int |
| 5746 | image_ascent (img, face) |
| 5747 | struct image *img; |
| 5748 | struct face *face; |
| 5749 | { |
| 5750 | int height = img->height + img->vmargin; |
| 5751 | int ascent; |
| 5752 | |
| 5753 | if (img->ascent == CENTERED_IMAGE_ASCENT) |
| 5754 | { |
| 5755 | if (face->font) |
| 5756 | /* This expression is arranged so that if the image can't be |
| 5757 | exactly centered, it will be moved slightly up. This is |
| 5758 | because a typical font is `top-heavy' (due to the presence |
| 5759 | uppercase letters), so the image placement should err towards |
| 5760 | being top-heavy too. It also just generally looks better. */ |
| 5761 | ascent = (height + face->font->ascent - face->font->descent + 1) / 2; |
| 5762 | else |
| 5763 | ascent = height / 2; |
| 5764 | } |
| 5765 | else |
| 5766 | ascent = height * img->ascent / 100.0; |
| 5767 | |
| 5768 | return ascent; |
| 5769 | } |
| 5770 | |
| 5771 | |
| 5772 | \f |
| 5773 | /*********************************************************************** |
| 5774 | Helper functions for X image types |
| 5775 | ***********************************************************************/ |
| 5776 | |
| 5777 | static void x_clear_image_1 P_ ((struct frame *, struct image *, int, |
| 5778 | int, int)); |
| 5779 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
| 5780 | static unsigned long x_alloc_image_color P_ ((struct frame *f, |
| 5781 | struct image *img, |
| 5782 | Lisp_Object color_name, |
| 5783 | unsigned long dflt)); |
| 5784 | |
| 5785 | |
| 5786 | /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means |
| 5787 | free the pixmap if any. MASK_P non-zero means clear the mask |
| 5788 | pixmap if any. COLORS_P non-zero means free colors allocated for |
| 5789 | the image, if any. */ |
| 5790 | |
| 5791 | static void |
| 5792 | x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) |
| 5793 | struct frame *f; |
| 5794 | struct image *img; |
| 5795 | int pixmap_p, mask_p, colors_p; |
| 5796 | { |
| 5797 | if (pixmap_p && img->pixmap) |
| 5798 | { |
| 5799 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
| 5800 | img->pixmap = None; |
| 5801 | } |
| 5802 | |
| 5803 | if (mask_p && img->mask) |
| 5804 | { |
| 5805 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
| 5806 | img->mask = None; |
| 5807 | } |
| 5808 | |
| 5809 | if (colors_p && img->ncolors) |
| 5810 | { |
| 5811 | x_free_colors (f, img->colors, img->ncolors); |
| 5812 | xfree (img->colors); |
| 5813 | img->colors = NULL; |
| 5814 | img->ncolors = 0; |
| 5815 | } |
| 5816 | } |
| 5817 | |
| 5818 | /* Free X resources of image IMG which is used on frame F. */ |
| 5819 | |
| 5820 | static void |
| 5821 | x_clear_image (f, img) |
| 5822 | struct frame *f; |
| 5823 | struct image *img; |
| 5824 | { |
| 5825 | BLOCK_INPUT; |
| 5826 | x_clear_image_1 (f, img, 1, 1, 1); |
| 5827 | UNBLOCK_INPUT; |
| 5828 | } |
| 5829 | |
| 5830 | |
| 5831 | /* Allocate color COLOR_NAME for image IMG on frame F. If color |
| 5832 | cannot be allocated, use DFLT. Add a newly allocated color to |
| 5833 | IMG->colors, so that it can be freed again. Value is the pixel |
| 5834 | color. */ |
| 5835 | |
| 5836 | static unsigned long |
| 5837 | x_alloc_image_color (f, img, color_name, dflt) |
| 5838 | struct frame *f; |
| 5839 | struct image *img; |
| 5840 | Lisp_Object color_name; |
| 5841 | unsigned long dflt; |
| 5842 | { |
| 5843 | XColor color; |
| 5844 | unsigned long result; |
| 5845 | |
| 5846 | xassert (STRINGP (color_name)); |
| 5847 | |
| 5848 | if (x_defined_color (f, XSTRING (color_name)->data, &color, 1)) |
| 5849 | { |
| 5850 | /* This isn't called frequently so we get away with simply |
| 5851 | reallocating the color vector to the needed size, here. */ |
| 5852 | ++img->ncolors; |
| 5853 | img->colors = |
| 5854 | (unsigned long *) xrealloc (img->colors, |
| 5855 | img->ncolors * sizeof *img->colors); |
| 5856 | img->colors[img->ncolors - 1] = color.pixel; |
| 5857 | result = color.pixel; |
| 5858 | } |
| 5859 | else |
| 5860 | result = dflt; |
| 5861 | |
| 5862 | return result; |
| 5863 | } |
| 5864 | |
| 5865 | |
| 5866 | \f |
| 5867 | /*********************************************************************** |
| 5868 | Image Cache |
| 5869 | ***********************************************************************/ |
| 5870 | |
| 5871 | static void cache_image P_ ((struct frame *f, struct image *img)); |
| 5872 | static void postprocess_image P_ ((struct frame *, struct image *)); |
| 5873 | |
| 5874 | |
| 5875 | /* Return a new, initialized image cache that is allocated from the |
| 5876 | heap. Call free_image_cache to free an image cache. */ |
| 5877 | |
| 5878 | struct image_cache * |
| 5879 | make_image_cache () |
| 5880 | { |
| 5881 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); |
| 5882 | int size; |
| 5883 | |
| 5884 | bzero (c, sizeof *c); |
| 5885 | c->size = 50; |
| 5886 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); |
| 5887 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; |
| 5888 | c->buckets = (struct image **) xmalloc (size); |
| 5889 | bzero (c->buckets, size); |
| 5890 | return c; |
| 5891 | } |
| 5892 | |
| 5893 | |
| 5894 | /* Free image cache of frame F. Be aware that X frames share images |
| 5895 | caches. */ |
| 5896 | |
| 5897 | void |
| 5898 | free_image_cache (f) |
| 5899 | struct frame *f; |
| 5900 | { |
| 5901 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 5902 | if (c) |
| 5903 | { |
| 5904 | int i; |
| 5905 | |
| 5906 | /* Cache should not be referenced by any frame when freed. */ |
| 5907 | xassert (c->refcount == 0); |
| 5908 | |
| 5909 | for (i = 0; i < c->used; ++i) |
| 5910 | free_image (f, c->images[i]); |
| 5911 | xfree (c->images); |
| 5912 | xfree (c->buckets); |
| 5913 | xfree (c); |
| 5914 | FRAME_X_IMAGE_CACHE (f) = NULL; |
| 5915 | } |
| 5916 | } |
| 5917 | |
| 5918 | |
| 5919 | /* Clear image cache of frame F. FORCE_P non-zero means free all |
| 5920 | images. FORCE_P zero means clear only images that haven't been |
| 5921 | displayed for some time. Should be called from time to time to |
| 5922 | reduce the number of loaded images. If image-eviction-seconds is |
| 5923 | non-nil, this frees images in the cache which weren't displayed for |
| 5924 | at least that many seconds. */ |
| 5925 | |
| 5926 | void |
| 5927 | clear_image_cache (f, force_p) |
| 5928 | struct frame *f; |
| 5929 | int force_p; |
| 5930 | { |
| 5931 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 5932 | |
| 5933 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
| 5934 | { |
| 5935 | EMACS_TIME t; |
| 5936 | unsigned long old; |
| 5937 | int i, nfreed; |
| 5938 | |
| 5939 | EMACS_GET_TIME (t); |
| 5940 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
| 5941 | |
| 5942 | /* Block input so that we won't be interrupted by a SIGIO |
| 5943 | while being in an inconsistent state. */ |
| 5944 | BLOCK_INPUT; |
| 5945 | |
| 5946 | for (i = nfreed = 0; i < c->used; ++i) |
| 5947 | { |
| 5948 | struct image *img = c->images[i]; |
| 5949 | if (img != NULL |
| 5950 | && (force_p || img->timestamp < old)) |
| 5951 | { |
| 5952 | free_image (f, img); |
| 5953 | ++nfreed; |
| 5954 | } |
| 5955 | } |
| 5956 | |
| 5957 | /* We may be clearing the image cache because, for example, |
| 5958 | Emacs was iconified for a longer period of time. In that |
| 5959 | case, current matrices may still contain references to |
| 5960 | images freed above. So, clear these matrices. */ |
| 5961 | if (nfreed) |
| 5962 | { |
| 5963 | Lisp_Object tail, frame; |
| 5964 | |
| 5965 | FOR_EACH_FRAME (tail, frame) |
| 5966 | { |
| 5967 | struct frame *f = XFRAME (frame); |
| 5968 | if (FRAME_X_P (f) |
| 5969 | && FRAME_X_IMAGE_CACHE (f) == c) |
| 5970 | clear_current_matrices (f); |
| 5971 | } |
| 5972 | |
| 5973 | ++windows_or_buffers_changed; |
| 5974 | } |
| 5975 | |
| 5976 | UNBLOCK_INPUT; |
| 5977 | } |
| 5978 | } |
| 5979 | |
| 5980 | |
| 5981 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, |
| 5982 | 0, 1, 0, |
| 5983 | doc: /* Clear the image cache of FRAME. |
| 5984 | FRAME nil or omitted means use the selected frame. |
| 5985 | FRAME t means clear the image caches of all frames. */) |
| 5986 | (frame) |
| 5987 | Lisp_Object frame; |
| 5988 | { |
| 5989 | if (EQ (frame, Qt)) |
| 5990 | { |
| 5991 | Lisp_Object tail; |
| 5992 | |
| 5993 | FOR_EACH_FRAME (tail, frame) |
| 5994 | if (FRAME_X_P (XFRAME (frame))) |
| 5995 | clear_image_cache (XFRAME (frame), 1); |
| 5996 | } |
| 5997 | else |
| 5998 | clear_image_cache (check_x_frame (frame), 1); |
| 5999 | |
| 6000 | return Qnil; |
| 6001 | } |
| 6002 | |
| 6003 | |
| 6004 | /* Compute masks and transform image IMG on frame F, as specified |
| 6005 | by the image's specification, */ |
| 6006 | |
| 6007 | static void |
| 6008 | postprocess_image (f, img) |
| 6009 | struct frame *f; |
| 6010 | struct image *img; |
| 6011 | { |
| 6012 | /* Manipulation of the image's mask. */ |
| 6013 | if (img->pixmap) |
| 6014 | { |
| 6015 | Lisp_Object conversion, spec; |
| 6016 | Lisp_Object mask; |
| 6017 | |
| 6018 | spec = img->spec; |
| 6019 | |
| 6020 | /* `:heuristic-mask t' |
| 6021 | `:mask heuristic' |
| 6022 | means build a mask heuristically. |
| 6023 | `:heuristic-mask (R G B)' |
| 6024 | `:mask (heuristic (R G B))' |
| 6025 | means build a mask from color (R G B) in the |
| 6026 | image. |
| 6027 | `:mask nil' |
| 6028 | means remove a mask, if any. */ |
| 6029 | |
| 6030 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
| 6031 | if (!NILP (mask)) |
| 6032 | x_build_heuristic_mask (f, img, mask); |
| 6033 | else |
| 6034 | { |
| 6035 | int found_p; |
| 6036 | |
| 6037 | mask = image_spec_value (spec, QCmask, &found_p); |
| 6038 | |
| 6039 | if (EQ (mask, Qheuristic)) |
| 6040 | x_build_heuristic_mask (f, img, Qt); |
| 6041 | else if (CONSP (mask) |
| 6042 | && EQ (XCAR (mask), Qheuristic)) |
| 6043 | { |
| 6044 | if (CONSP (XCDR (mask))) |
| 6045 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); |
| 6046 | else |
| 6047 | x_build_heuristic_mask (f, img, XCDR (mask)); |
| 6048 | } |
| 6049 | else if (NILP (mask) && found_p && img->mask) |
| 6050 | { |
| 6051 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
| 6052 | img->mask = None; |
| 6053 | } |
| 6054 | } |
| 6055 | |
| 6056 | |
| 6057 | /* Should we apply an image transformation algorithm? */ |
| 6058 | conversion = image_spec_value (spec, QCconversion, NULL); |
| 6059 | if (EQ (conversion, Qdisabled)) |
| 6060 | x_disable_image (f, img); |
| 6061 | else if (EQ (conversion, Qlaplace)) |
| 6062 | x_laplace (f, img); |
| 6063 | else if (EQ (conversion, Qemboss)) |
| 6064 | x_emboss (f, img); |
| 6065 | else if (CONSP (conversion) |
| 6066 | && EQ (XCAR (conversion), Qedge_detection)) |
| 6067 | { |
| 6068 | Lisp_Object tem; |
| 6069 | tem = XCDR (conversion); |
| 6070 | if (CONSP (tem)) |
| 6071 | x_edge_detection (f, img, |
| 6072 | Fplist_get (tem, QCmatrix), |
| 6073 | Fplist_get (tem, QCcolor_adjustment)); |
| 6074 | } |
| 6075 | } |
| 6076 | } |
| 6077 | |
| 6078 | |
| 6079 | /* Return the id of image with Lisp specification SPEC on frame F. |
| 6080 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
| 6081 | |
| 6082 | int |
| 6083 | lookup_image (f, spec) |
| 6084 | struct frame *f; |
| 6085 | Lisp_Object spec; |
| 6086 | { |
| 6087 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 6088 | struct image *img; |
| 6089 | int i; |
| 6090 | unsigned hash; |
| 6091 | struct gcpro gcpro1; |
| 6092 | EMACS_TIME now; |
| 6093 | |
| 6094 | /* F must be a window-system frame, and SPEC must be a valid image |
| 6095 | specification. */ |
| 6096 | xassert (FRAME_WINDOW_P (f)); |
| 6097 | xassert (valid_image_p (spec)); |
| 6098 | |
| 6099 | GCPRO1 (spec); |
| 6100 | |
| 6101 | /* Look up SPEC in the hash table of the image cache. */ |
| 6102 | hash = sxhash (spec, 0); |
| 6103 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; |
| 6104 | |
| 6105 | for (img = c->buckets[i]; img; img = img->next) |
| 6106 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) |
| 6107 | break; |
| 6108 | |
| 6109 | /* If not found, create a new image and cache it. */ |
| 6110 | if (img == NULL) |
| 6111 | { |
| 6112 | extern Lisp_Object Qpostscript; |
| 6113 | |
| 6114 | BLOCK_INPUT; |
| 6115 | img = make_image (spec, hash); |
| 6116 | cache_image (f, img); |
| 6117 | img->load_failed_p = img->type->load (f, img) == 0; |
| 6118 | |
| 6119 | /* If we can't load the image, and we don't have a width and |
| 6120 | height, use some arbitrary width and height so that we can |
| 6121 | draw a rectangle for it. */ |
| 6122 | if (img->load_failed_p) |
| 6123 | { |
| 6124 | Lisp_Object value; |
| 6125 | |
| 6126 | value = image_spec_value (spec, QCwidth, NULL); |
| 6127 | img->width = (INTEGERP (value) |
| 6128 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); |
| 6129 | value = image_spec_value (spec, QCheight, NULL); |
| 6130 | img->height = (INTEGERP (value) |
| 6131 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); |
| 6132 | } |
| 6133 | else |
| 6134 | { |
| 6135 | /* Handle image type independent image attributes |
| 6136 | `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF'. */ |
| 6137 | Lisp_Object ascent, margin, relief; |
| 6138 | |
| 6139 | ascent = image_spec_value (spec, QCascent, NULL); |
| 6140 | if (INTEGERP (ascent)) |
| 6141 | img->ascent = XFASTINT (ascent); |
| 6142 | else if (EQ (ascent, Qcenter)) |
| 6143 | img->ascent = CENTERED_IMAGE_ASCENT; |
| 6144 | |
| 6145 | margin = image_spec_value (spec, QCmargin, NULL); |
| 6146 | if (INTEGERP (margin) && XINT (margin) >= 0) |
| 6147 | img->vmargin = img->hmargin = XFASTINT (margin); |
| 6148 | else if (CONSP (margin) && INTEGERP (XCAR (margin)) |
| 6149 | && INTEGERP (XCDR (margin))) |
| 6150 | { |
| 6151 | if (XINT (XCAR (margin)) > 0) |
| 6152 | img->hmargin = XFASTINT (XCAR (margin)); |
| 6153 | if (XINT (XCDR (margin)) > 0) |
| 6154 | img->vmargin = XFASTINT (XCDR (margin)); |
| 6155 | } |
| 6156 | |
| 6157 | relief = image_spec_value (spec, QCrelief, NULL); |
| 6158 | if (INTEGERP (relief)) |
| 6159 | { |
| 6160 | img->relief = XINT (relief); |
| 6161 | img->hmargin += abs (img->relief); |
| 6162 | img->vmargin += abs (img->relief); |
| 6163 | } |
| 6164 | |
| 6165 | /* Do image transformations and compute masks, unless we |
| 6166 | don't have the image yet. */ |
| 6167 | if (!EQ (*img->type->type, Qpostscript)) |
| 6168 | postprocess_image (f, img); |
| 6169 | } |
| 6170 | |
| 6171 | UNBLOCK_INPUT; |
| 6172 | xassert (!interrupt_input_blocked); |
| 6173 | } |
| 6174 | |
| 6175 | /* We're using IMG, so set its timestamp to `now'. */ |
| 6176 | EMACS_GET_TIME (now); |
| 6177 | img->timestamp = EMACS_SECS (now); |
| 6178 | |
| 6179 | UNGCPRO; |
| 6180 | |
| 6181 | /* Value is the image id. */ |
| 6182 | return img->id; |
| 6183 | } |
| 6184 | |
| 6185 | |
| 6186 | /* Cache image IMG in the image cache of frame F. */ |
| 6187 | |
| 6188 | static void |
| 6189 | cache_image (f, img) |
| 6190 | struct frame *f; |
| 6191 | struct image *img; |
| 6192 | { |
| 6193 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 6194 | int i; |
| 6195 | |
| 6196 | /* Find a free slot in c->images. */ |
| 6197 | for (i = 0; i < c->used; ++i) |
| 6198 | if (c->images[i] == NULL) |
| 6199 | break; |
| 6200 | |
| 6201 | /* If no free slot found, maybe enlarge c->images. */ |
| 6202 | if (i == c->used && c->used == c->size) |
| 6203 | { |
| 6204 | c->size *= 2; |
| 6205 | c->images = (struct image **) xrealloc (c->images, |
| 6206 | c->size * sizeof *c->images); |
| 6207 | } |
| 6208 | |
| 6209 | /* Add IMG to c->images, and assign IMG an id. */ |
| 6210 | c->images[i] = img; |
| 6211 | img->id = i; |
| 6212 | if (i == c->used) |
| 6213 | ++c->used; |
| 6214 | |
| 6215 | /* Add IMG to the cache's hash table. */ |
| 6216 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; |
| 6217 | img->next = c->buckets[i]; |
| 6218 | if (img->next) |
| 6219 | img->next->prev = img; |
| 6220 | img->prev = NULL; |
| 6221 | c->buckets[i] = img; |
| 6222 | } |
| 6223 | |
| 6224 | |
| 6225 | /* Call FN on every image in the image cache of frame F. Used to mark |
| 6226 | Lisp Objects in the image cache. */ |
| 6227 | |
| 6228 | void |
| 6229 | forall_images_in_image_cache (f, fn) |
| 6230 | struct frame *f; |
| 6231 | void (*fn) P_ ((struct image *img)); |
| 6232 | { |
| 6233 | if (FRAME_LIVE_P (f) && FRAME_X_P (f)) |
| 6234 | { |
| 6235 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 6236 | if (c) |
| 6237 | { |
| 6238 | int i; |
| 6239 | for (i = 0; i < c->used; ++i) |
| 6240 | if (c->images[i]) |
| 6241 | fn (c->images[i]); |
| 6242 | } |
| 6243 | } |
| 6244 | } |
| 6245 | |
| 6246 | |
| 6247 | \f |
| 6248 | /*********************************************************************** |
| 6249 | X support code |
| 6250 | ***********************************************************************/ |
| 6251 | |
| 6252 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
| 6253 | XImage **, Pixmap *)); |
| 6254 | static void x_destroy_x_image P_ ((XImage *)); |
| 6255 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); |
| 6256 | |
| 6257 | |
| 6258 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on |
| 6259 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. |
| 6260 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated |
| 6261 | via xmalloc. Print error messages via image_error if an error |
| 6262 | occurs. Value is non-zero if successful. */ |
| 6263 | |
| 6264 | static int |
| 6265 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
| 6266 | struct frame *f; |
| 6267 | int width, height, depth; |
| 6268 | XImage **ximg; |
| 6269 | Pixmap *pixmap; |
| 6270 | { |
| 6271 | Display *display = FRAME_X_DISPLAY (f); |
| 6272 | Screen *screen = FRAME_X_SCREEN (f); |
| 6273 | Window window = FRAME_X_WINDOW (f); |
| 6274 | |
| 6275 | xassert (interrupt_input_blocked); |
| 6276 | |
| 6277 | if (depth <= 0) |
| 6278 | depth = DefaultDepthOfScreen (screen); |
| 6279 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), |
| 6280 | depth, ZPixmap, 0, NULL, width, height, |
| 6281 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); |
| 6282 | if (*ximg == NULL) |
| 6283 | { |
| 6284 | image_error ("Unable to allocate X image", Qnil, Qnil); |
| 6285 | return 0; |
| 6286 | } |
| 6287 | |
| 6288 | /* Allocate image raster. */ |
| 6289 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); |
| 6290 | |
| 6291 | /* Allocate a pixmap of the same size. */ |
| 6292 | *pixmap = XCreatePixmap (display, window, width, height, depth); |
| 6293 | if (*pixmap == None) |
| 6294 | { |
| 6295 | x_destroy_x_image (*ximg); |
| 6296 | *ximg = NULL; |
| 6297 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
| 6298 | return 0; |
| 6299 | } |
| 6300 | |
| 6301 | return 1; |
| 6302 | } |
| 6303 | |
| 6304 | |
| 6305 | /* Destroy XImage XIMG. Free XIMG->data. */ |
| 6306 | |
| 6307 | static void |
| 6308 | x_destroy_x_image (ximg) |
| 6309 | XImage *ximg; |
| 6310 | { |
| 6311 | xassert (interrupt_input_blocked); |
| 6312 | if (ximg) |
| 6313 | { |
| 6314 | xfree (ximg->data); |
| 6315 | ximg->data = NULL; |
| 6316 | XDestroyImage (ximg); |
| 6317 | } |
| 6318 | } |
| 6319 | |
| 6320 | |
| 6321 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT |
| 6322 | are width and height of both the image and pixmap. */ |
| 6323 | |
| 6324 | static void |
| 6325 | x_put_x_image (f, ximg, pixmap, width, height) |
| 6326 | struct frame *f; |
| 6327 | XImage *ximg; |
| 6328 | Pixmap pixmap; |
| 6329 | { |
| 6330 | GC gc; |
| 6331 | |
| 6332 | xassert (interrupt_input_blocked); |
| 6333 | gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); |
| 6334 | XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); |
| 6335 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
| 6336 | } |
| 6337 | |
| 6338 | |
| 6339 | \f |
| 6340 | /*********************************************************************** |
| 6341 | File Handling |
| 6342 | ***********************************************************************/ |
| 6343 | |
| 6344 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); |
| 6345 | static char *slurp_file P_ ((char *, int *)); |
| 6346 | |
| 6347 | |
| 6348 | /* Find image file FILE. Look in data-directory, then |
| 6349 | x-bitmap-file-path. Value is the full name of the file found, or |
| 6350 | nil if not found. */ |
| 6351 | |
| 6352 | static Lisp_Object |
| 6353 | x_find_image_file (file) |
| 6354 | Lisp_Object file; |
| 6355 | { |
| 6356 | Lisp_Object file_found, search_path; |
| 6357 | struct gcpro gcpro1, gcpro2; |
| 6358 | int fd; |
| 6359 | |
| 6360 | file_found = Qnil; |
| 6361 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); |
| 6362 | GCPRO2 (file_found, search_path); |
| 6363 | |
| 6364 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ |
| 6365 | fd = openp (search_path, file, Qnil, &file_found, 0); |
| 6366 | |
| 6367 | if (fd == -1) |
| 6368 | file_found = Qnil; |
| 6369 | else |
| 6370 | close (fd); |
| 6371 | |
| 6372 | UNGCPRO; |
| 6373 | return file_found; |
| 6374 | } |
| 6375 | |
| 6376 | |
| 6377 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
| 6378 | with xmalloc holding FILE's contents. Value is null if an error |
| 6379 | occurred. *SIZE is set to the size of the file. */ |
| 6380 | |
| 6381 | static char * |
| 6382 | slurp_file (file, size) |
| 6383 | char *file; |
| 6384 | int *size; |
| 6385 | { |
| 6386 | FILE *fp = NULL; |
| 6387 | char *buf = NULL; |
| 6388 | struct stat st; |
| 6389 | |
| 6390 | if (stat (file, &st) == 0 |
| 6391 | && (fp = fopen (file, "r")) != NULL |
| 6392 | && (buf = (char *) xmalloc (st.st_size), |
| 6393 | fread (buf, 1, st.st_size, fp) == st.st_size)) |
| 6394 | { |
| 6395 | *size = st.st_size; |
| 6396 | fclose (fp); |
| 6397 | } |
| 6398 | else |
| 6399 | { |
| 6400 | if (fp) |
| 6401 | fclose (fp); |
| 6402 | if (buf) |
| 6403 | { |
| 6404 | xfree (buf); |
| 6405 | buf = NULL; |
| 6406 | } |
| 6407 | } |
| 6408 | |
| 6409 | return buf; |
| 6410 | } |
| 6411 | |
| 6412 | |
| 6413 | \f |
| 6414 | /*********************************************************************** |
| 6415 | XBM images |
| 6416 | ***********************************************************************/ |
| 6417 | |
| 6418 | static int xbm_scan P_ ((char **, char *, char *, int *)); |
| 6419 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
| 6420 | static int xbm_load_image P_ ((struct frame *f, struct image *img, |
| 6421 | char *, char *)); |
| 6422 | static int xbm_image_p P_ ((Lisp_Object object)); |
| 6423 | static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, |
| 6424 | unsigned char **)); |
| 6425 | static int xbm_file_p P_ ((Lisp_Object)); |
| 6426 | |
| 6427 | |
| 6428 | /* Indices of image specification fields in xbm_format, below. */ |
| 6429 | |
| 6430 | enum xbm_keyword_index |
| 6431 | { |
| 6432 | XBM_TYPE, |
| 6433 | XBM_FILE, |
| 6434 | XBM_WIDTH, |
| 6435 | XBM_HEIGHT, |
| 6436 | XBM_DATA, |
| 6437 | XBM_FOREGROUND, |
| 6438 | XBM_BACKGROUND, |
| 6439 | XBM_ASCENT, |
| 6440 | XBM_MARGIN, |
| 6441 | XBM_RELIEF, |
| 6442 | XBM_ALGORITHM, |
| 6443 | XBM_HEURISTIC_MASK, |
| 6444 | XBM_MASK, |
| 6445 | XBM_LAST |
| 6446 | }; |
| 6447 | |
| 6448 | /* Vector of image_keyword structures describing the format |
| 6449 | of valid XBM image specifications. */ |
| 6450 | |
| 6451 | static struct image_keyword xbm_format[XBM_LAST] = |
| 6452 | { |
| 6453 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 6454 | {":file", IMAGE_STRING_VALUE, 0}, |
| 6455 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
| 6456 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
| 6457 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 6458 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
| 6459 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0}, |
| 6460 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 6461 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 6462 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 6463 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 6464 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 6465 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 6466 | }; |
| 6467 | |
| 6468 | /* Structure describing the image type XBM. */ |
| 6469 | |
| 6470 | static struct image_type xbm_type = |
| 6471 | { |
| 6472 | &Qxbm, |
| 6473 | xbm_image_p, |
| 6474 | xbm_load, |
| 6475 | x_clear_image, |
| 6476 | NULL |
| 6477 | }; |
| 6478 | |
| 6479 | /* Tokens returned from xbm_scan. */ |
| 6480 | |
| 6481 | enum xbm_token |
| 6482 | { |
| 6483 | XBM_TK_IDENT = 256, |
| 6484 | XBM_TK_NUMBER |
| 6485 | }; |
| 6486 | |
| 6487 | |
| 6488 | /* Return non-zero if OBJECT is a valid XBM-type image specification. |
| 6489 | A valid specification is a list starting with the symbol `image' |
| 6490 | The rest of the list is a property list which must contain an |
| 6491 | entry `:type xbm.. |
| 6492 | |
| 6493 | If the specification specifies a file to load, it must contain |
| 6494 | an entry `:file FILENAME' where FILENAME is a string. |
| 6495 | |
| 6496 | If the specification is for a bitmap loaded from memory it must |
| 6497 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where |
| 6498 | WIDTH and HEIGHT are integers > 0. DATA may be: |
| 6499 | |
| 6500 | 1. a string large enough to hold the bitmap data, i.e. it must |
| 6501 | have a size >= (WIDTH + 7) / 8 * HEIGHT |
| 6502 | |
| 6503 | 2. a bool-vector of size >= WIDTH * HEIGHT |
| 6504 | |
| 6505 | 3. a vector of strings or bool-vectors, one for each line of the |
| 6506 | bitmap. |
| 6507 | |
| 6508 | 4. A string containing an in-memory XBM file. WIDTH and HEIGHT |
| 6509 | may not be specified in this case because they are defined in the |
| 6510 | XBM file. |
| 6511 | |
| 6512 | Both the file and data forms may contain the additional entries |
| 6513 | `:background COLOR' and `:foreground COLOR'. If not present, |
| 6514 | foreground and background of the frame on which the image is |
| 6515 | displayed is used. */ |
| 6516 | |
| 6517 | static int |
| 6518 | xbm_image_p (object) |
| 6519 | Lisp_Object object; |
| 6520 | { |
| 6521 | struct image_keyword kw[XBM_LAST]; |
| 6522 | |
| 6523 | bcopy (xbm_format, kw, sizeof kw); |
| 6524 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
| 6525 | return 0; |
| 6526 | |
| 6527 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); |
| 6528 | |
| 6529 | if (kw[XBM_FILE].count) |
| 6530 | { |
| 6531 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) |
| 6532 | return 0; |
| 6533 | } |
| 6534 | else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) |
| 6535 | { |
| 6536 | /* In-memory XBM file. */ |
| 6537 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) |
| 6538 | return 0; |
| 6539 | } |
| 6540 | else |
| 6541 | { |
| 6542 | Lisp_Object data; |
| 6543 | int width, height; |
| 6544 | |
| 6545 | /* Entries for `:width', `:height' and `:data' must be present. */ |
| 6546 | if (!kw[XBM_WIDTH].count |
| 6547 | || !kw[XBM_HEIGHT].count |
| 6548 | || !kw[XBM_DATA].count) |
| 6549 | return 0; |
| 6550 | |
| 6551 | data = kw[XBM_DATA].value; |
| 6552 | width = XFASTINT (kw[XBM_WIDTH].value); |
| 6553 | height = XFASTINT (kw[XBM_HEIGHT].value); |
| 6554 | |
| 6555 | /* Check type of data, and width and height against contents of |
| 6556 | data. */ |
| 6557 | if (VECTORP (data)) |
| 6558 | { |
| 6559 | int i; |
| 6560 | |
| 6561 | /* Number of elements of the vector must be >= height. */ |
| 6562 | if (XVECTOR (data)->size < height) |
| 6563 | return 0; |
| 6564 | |
| 6565 | /* Each string or bool-vector in data must be large enough |
| 6566 | for one line of the image. */ |
| 6567 | for (i = 0; i < height; ++i) |
| 6568 | { |
| 6569 | Lisp_Object elt = XVECTOR (data)->contents[i]; |
| 6570 | |
| 6571 | if (STRINGP (elt)) |
| 6572 | { |
| 6573 | if (XSTRING (elt)->size |
| 6574 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) |
| 6575 | return 0; |
| 6576 | } |
| 6577 | else if (BOOL_VECTOR_P (elt)) |
| 6578 | { |
| 6579 | if (XBOOL_VECTOR (elt)->size < width) |
| 6580 | return 0; |
| 6581 | } |
| 6582 | else |
| 6583 | return 0; |
| 6584 | } |
| 6585 | } |
| 6586 | else if (STRINGP (data)) |
| 6587 | { |
| 6588 | if (XSTRING (data)->size |
| 6589 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) |
| 6590 | return 0; |
| 6591 | } |
| 6592 | else if (BOOL_VECTOR_P (data)) |
| 6593 | { |
| 6594 | if (XBOOL_VECTOR (data)->size < width * height) |
| 6595 | return 0; |
| 6596 | } |
| 6597 | else |
| 6598 | return 0; |
| 6599 | } |
| 6600 | |
| 6601 | return 1; |
| 6602 | } |
| 6603 | |
| 6604 | |
| 6605 | /* Scan a bitmap file. FP is the stream to read from. Value is |
| 6606 | either an enumerator from enum xbm_token, or a character for a |
| 6607 | single-character token, or 0 at end of file. If scanning an |
| 6608 | identifier, store the lexeme of the identifier in SVAL. If |
| 6609 | scanning a number, store its value in *IVAL. */ |
| 6610 | |
| 6611 | static int |
| 6612 | xbm_scan (s, end, sval, ival) |
| 6613 | char **s, *end; |
| 6614 | char *sval; |
| 6615 | int *ival; |
| 6616 | { |
| 6617 | int c; |
| 6618 | |
| 6619 | loop: |
| 6620 | |
| 6621 | /* Skip white space. */ |
| 6622 | while (*s < end && (c = *(*s)++, isspace (c))) |
| 6623 | ; |
| 6624 | |
| 6625 | if (*s >= end) |
| 6626 | c = 0; |
| 6627 | else if (isdigit (c)) |
| 6628 | { |
| 6629 | int value = 0, digit; |
| 6630 | |
| 6631 | if (c == '0' && *s < end) |
| 6632 | { |
| 6633 | c = *(*s)++; |
| 6634 | if (c == 'x' || c == 'X') |
| 6635 | { |
| 6636 | while (*s < end) |
| 6637 | { |
| 6638 | c = *(*s)++; |
| 6639 | if (isdigit (c)) |
| 6640 | digit = c - '0'; |
| 6641 | else if (c >= 'a' && c <= 'f') |
| 6642 | digit = c - 'a' + 10; |
| 6643 | else if (c >= 'A' && c <= 'F') |
| 6644 | digit = c - 'A' + 10; |
| 6645 | else |
| 6646 | break; |
| 6647 | value = 16 * value + digit; |
| 6648 | } |
| 6649 | } |
| 6650 | else if (isdigit (c)) |
| 6651 | { |
| 6652 | value = c - '0'; |
| 6653 | while (*s < end |
| 6654 | && (c = *(*s)++, isdigit (c))) |
| 6655 | value = 8 * value + c - '0'; |
| 6656 | } |
| 6657 | } |
| 6658 | else |
| 6659 | { |
| 6660 | value = c - '0'; |
| 6661 | while (*s < end |
| 6662 | && (c = *(*s)++, isdigit (c))) |
| 6663 | value = 10 * value + c - '0'; |
| 6664 | } |
| 6665 | |
| 6666 | if (*s < end) |
| 6667 | *s = *s - 1; |
| 6668 | *ival = value; |
| 6669 | c = XBM_TK_NUMBER; |
| 6670 | } |
| 6671 | else if (isalpha (c) || c == '_') |
| 6672 | { |
| 6673 | *sval++ = c; |
| 6674 | while (*s < end |
| 6675 | && (c = *(*s)++, (isalnum (c) || c == '_'))) |
| 6676 | *sval++ = c; |
| 6677 | *sval = 0; |
| 6678 | if (*s < end) |
| 6679 | *s = *s - 1; |
| 6680 | c = XBM_TK_IDENT; |
| 6681 | } |
| 6682 | else if (c == '/' && **s == '*') |
| 6683 | { |
| 6684 | /* C-style comment. */ |
| 6685 | ++*s; |
| 6686 | while (**s && (**s != '*' || *(*s + 1) != '/')) |
| 6687 | ++*s; |
| 6688 | if (**s) |
| 6689 | { |
| 6690 | *s += 2; |
| 6691 | goto loop; |
| 6692 | } |
| 6693 | } |
| 6694 | |
| 6695 | return c; |
| 6696 | } |
| 6697 | |
| 6698 | |
| 6699 | /* Replacement for XReadBitmapFileData which isn't available under old |
| 6700 | X versions. CONTENTS is a pointer to a buffer to parse; END is the |
| 6701 | buffer's end. Set *WIDTH and *HEIGHT to the width and height of |
| 6702 | the image. Return in *DATA the bitmap data allocated with xmalloc. |
| 6703 | Value is non-zero if successful. DATA null means just test if |
| 6704 | CONTENTS looks like an in-memory XBM file. */ |
| 6705 | |
| 6706 | static int |
| 6707 | xbm_read_bitmap_data (contents, end, width, height, data) |
| 6708 | char *contents, *end; |
| 6709 | int *width, *height; |
| 6710 | unsigned char **data; |
| 6711 | { |
| 6712 | char *s = contents; |
| 6713 | char buffer[BUFSIZ]; |
| 6714 | int padding_p = 0; |
| 6715 | int v10 = 0; |
| 6716 | int bytes_per_line, i, nbytes; |
| 6717 | unsigned char *p; |
| 6718 | int value; |
| 6719 | int LA1; |
| 6720 | |
| 6721 | #define match() \ |
| 6722 | LA1 = xbm_scan (&s, end, buffer, &value) |
| 6723 | |
| 6724 | #define expect(TOKEN) \ |
| 6725 | if (LA1 != (TOKEN)) \ |
| 6726 | goto failure; \ |
| 6727 | else \ |
| 6728 | match () |
| 6729 | |
| 6730 | #define expect_ident(IDENT) \ |
| 6731 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ |
| 6732 | match (); \ |
| 6733 | else \ |
| 6734 | goto failure |
| 6735 | |
| 6736 | *width = *height = -1; |
| 6737 | if (data) |
| 6738 | *data = NULL; |
| 6739 | LA1 = xbm_scan (&s, end, buffer, &value); |
| 6740 | |
| 6741 | /* Parse defines for width, height and hot-spots. */ |
| 6742 | while (LA1 == '#') |
| 6743 | { |
| 6744 | match (); |
| 6745 | expect_ident ("define"); |
| 6746 | expect (XBM_TK_IDENT); |
| 6747 | |
| 6748 | if (LA1 == XBM_TK_NUMBER); |
| 6749 | { |
| 6750 | char *p = strrchr (buffer, '_'); |
| 6751 | p = p ? p + 1 : buffer; |
| 6752 | if (strcmp (p, "width") == 0) |
| 6753 | *width = value; |
| 6754 | else if (strcmp (p, "height") == 0) |
| 6755 | *height = value; |
| 6756 | } |
| 6757 | expect (XBM_TK_NUMBER); |
| 6758 | } |
| 6759 | |
| 6760 | if (*width < 0 || *height < 0) |
| 6761 | goto failure; |
| 6762 | else if (data == NULL) |
| 6763 | goto success; |
| 6764 | |
| 6765 | /* Parse bits. Must start with `static'. */ |
| 6766 | expect_ident ("static"); |
| 6767 | if (LA1 == XBM_TK_IDENT) |
| 6768 | { |
| 6769 | if (strcmp (buffer, "unsigned") == 0) |
| 6770 | { |
| 6771 | match (); |
| 6772 | expect_ident ("char"); |
| 6773 | } |
| 6774 | else if (strcmp (buffer, "short") == 0) |
| 6775 | { |
| 6776 | match (); |
| 6777 | v10 = 1; |
| 6778 | if (*width % 16 && *width % 16 < 9) |
| 6779 | padding_p = 1; |
| 6780 | } |
| 6781 | else if (strcmp (buffer, "char") == 0) |
| 6782 | match (); |
| 6783 | else |
| 6784 | goto failure; |
| 6785 | } |
| 6786 | else |
| 6787 | goto failure; |
| 6788 | |
| 6789 | expect (XBM_TK_IDENT); |
| 6790 | expect ('['); |
| 6791 | expect (']'); |
| 6792 | expect ('='); |
| 6793 | expect ('{'); |
| 6794 | |
| 6795 | bytes_per_line = (*width + 7) / 8 + padding_p; |
| 6796 | nbytes = bytes_per_line * *height; |
| 6797 | p = *data = (char *) xmalloc (nbytes); |
| 6798 | |
| 6799 | if (v10) |
| 6800 | { |
| 6801 | for (i = 0; i < nbytes; i += 2) |
| 6802 | { |
| 6803 | int val = value; |
| 6804 | expect (XBM_TK_NUMBER); |
| 6805 | |
| 6806 | *p++ = val; |
| 6807 | if (!padding_p || ((i + 2) % bytes_per_line)) |
| 6808 | *p++ = value >> 8; |
| 6809 | |
| 6810 | if (LA1 == ',' || LA1 == '}') |
| 6811 | match (); |
| 6812 | else |
| 6813 | goto failure; |
| 6814 | } |
| 6815 | } |
| 6816 | else |
| 6817 | { |
| 6818 | for (i = 0; i < nbytes; ++i) |
| 6819 | { |
| 6820 | int val = value; |
| 6821 | expect (XBM_TK_NUMBER); |
| 6822 | |
| 6823 | *p++ = val; |
| 6824 | |
| 6825 | if (LA1 == ',' || LA1 == '}') |
| 6826 | match (); |
| 6827 | else |
| 6828 | goto failure; |
| 6829 | } |
| 6830 | } |
| 6831 | |
| 6832 | success: |
| 6833 | return 1; |
| 6834 | |
| 6835 | failure: |
| 6836 | |
| 6837 | if (data && *data) |
| 6838 | { |
| 6839 | xfree (*data); |
| 6840 | *data = NULL; |
| 6841 | } |
| 6842 | return 0; |
| 6843 | |
| 6844 | #undef match |
| 6845 | #undef expect |
| 6846 | #undef expect_ident |
| 6847 | } |
| 6848 | |
| 6849 | |
| 6850 | /* Load XBM image IMG which will be displayed on frame F from buffer |
| 6851 | CONTENTS. END is the end of the buffer. Value is non-zero if |
| 6852 | successful. */ |
| 6853 | |
| 6854 | static int |
| 6855 | xbm_load_image (f, img, contents, end) |
| 6856 | struct frame *f; |
| 6857 | struct image *img; |
| 6858 | char *contents, *end; |
| 6859 | { |
| 6860 | int rc; |
| 6861 | unsigned char *data; |
| 6862 | int success_p = 0; |
| 6863 | |
| 6864 | rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); |
| 6865 | if (rc) |
| 6866 | { |
| 6867 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); |
| 6868 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); |
| 6869 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); |
| 6870 | Lisp_Object value; |
| 6871 | |
| 6872 | xassert (img->width > 0 && img->height > 0); |
| 6873 | |
| 6874 | /* Get foreground and background colors, maybe allocate colors. */ |
| 6875 | value = image_spec_value (img->spec, QCforeground, NULL); |
| 6876 | if (!NILP (value)) |
| 6877 | foreground = x_alloc_image_color (f, img, value, foreground); |
| 6878 | |
| 6879 | value = image_spec_value (img->spec, QCbackground, NULL); |
| 6880 | if (!NILP (value)) |
| 6881 | background = x_alloc_image_color (f, img, value, background); |
| 6882 | |
| 6883 | img->pixmap |
| 6884 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), |
| 6885 | FRAME_X_WINDOW (f), |
| 6886 | data, |
| 6887 | img->width, img->height, |
| 6888 | foreground, background, |
| 6889 | depth); |
| 6890 | xfree (data); |
| 6891 | |
| 6892 | if (img->pixmap == None) |
| 6893 | { |
| 6894 | x_clear_image (f, img); |
| 6895 | image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); |
| 6896 | } |
| 6897 | else |
| 6898 | success_p = 1; |
| 6899 | } |
| 6900 | else |
| 6901 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
| 6902 | |
| 6903 | return success_p; |
| 6904 | } |
| 6905 | |
| 6906 | |
| 6907 | /* Value is non-zero if DATA looks like an in-memory XBM file. */ |
| 6908 | |
| 6909 | static int |
| 6910 | xbm_file_p (data) |
| 6911 | Lisp_Object data; |
| 6912 | { |
| 6913 | int w, h; |
| 6914 | return (STRINGP (data) |
| 6915 | && xbm_read_bitmap_data (XSTRING (data)->data, |
| 6916 | (XSTRING (data)->data |
| 6917 | + STRING_BYTES (XSTRING (data))), |
| 6918 | &w, &h, NULL)); |
| 6919 | } |
| 6920 | |
| 6921 | |
| 6922 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
| 6923 | non-zero if successful. */ |
| 6924 | |
| 6925 | static int |
| 6926 | xbm_load (f, img) |
| 6927 | struct frame *f; |
| 6928 | struct image *img; |
| 6929 | { |
| 6930 | int success_p = 0; |
| 6931 | Lisp_Object file_name; |
| 6932 | |
| 6933 | xassert (xbm_image_p (img->spec)); |
| 6934 | |
| 6935 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ |
| 6936 | file_name = image_spec_value (img->spec, QCfile, NULL); |
| 6937 | if (STRINGP (file_name)) |
| 6938 | { |
| 6939 | Lisp_Object file; |
| 6940 | char *contents; |
| 6941 | int size; |
| 6942 | struct gcpro gcpro1; |
| 6943 | |
| 6944 | file = x_find_image_file (file_name); |
| 6945 | GCPRO1 (file); |
| 6946 | if (!STRINGP (file)) |
| 6947 | { |
| 6948 | image_error ("Cannot find image file `%s'", file_name, Qnil); |
| 6949 | UNGCPRO; |
| 6950 | return 0; |
| 6951 | } |
| 6952 | |
| 6953 | contents = slurp_file (XSTRING (file)->data, &size); |
| 6954 | if (contents == NULL) |
| 6955 | { |
| 6956 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
| 6957 | UNGCPRO; |
| 6958 | return 0; |
| 6959 | } |
| 6960 | |
| 6961 | success_p = xbm_load_image (f, img, contents, contents + size); |
| 6962 | UNGCPRO; |
| 6963 | } |
| 6964 | else |
| 6965 | { |
| 6966 | struct image_keyword fmt[XBM_LAST]; |
| 6967 | Lisp_Object data; |
| 6968 | int depth; |
| 6969 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); |
| 6970 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); |
| 6971 | char *bits; |
| 6972 | int parsed_p; |
| 6973 | int in_memory_file_p = 0; |
| 6974 | |
| 6975 | /* See if data looks like an in-memory XBM file. */ |
| 6976 | data = image_spec_value (img->spec, QCdata, NULL); |
| 6977 | in_memory_file_p = xbm_file_p (data); |
| 6978 | |
| 6979 | /* Parse the image specification. */ |
| 6980 | bcopy (xbm_format, fmt, sizeof fmt); |
| 6981 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
| 6982 | xassert (parsed_p); |
| 6983 | |
| 6984 | /* Get specified width, and height. */ |
| 6985 | if (!in_memory_file_p) |
| 6986 | { |
| 6987 | img->width = XFASTINT (fmt[XBM_WIDTH].value); |
| 6988 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); |
| 6989 | xassert (img->width > 0 && img->height > 0); |
| 6990 | } |
| 6991 | |
| 6992 | /* Get foreground and background colors, maybe allocate colors. */ |
| 6993 | if (fmt[XBM_FOREGROUND].count |
| 6994 | && STRINGP (fmt[XBM_FOREGROUND].value)) |
| 6995 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, |
| 6996 | foreground); |
| 6997 | if (fmt[XBM_BACKGROUND].count |
| 6998 | && STRINGP (fmt[XBM_BACKGROUND].value)) |
| 6999 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, |
| 7000 | background); |
| 7001 | |
| 7002 | if (in_memory_file_p) |
| 7003 | success_p = xbm_load_image (f, img, XSTRING (data)->data, |
| 7004 | (XSTRING (data)->data |
| 7005 | + STRING_BYTES (XSTRING (data)))); |
| 7006 | else |
| 7007 | { |
| 7008 | if (VECTORP (data)) |
| 7009 | { |
| 7010 | int i; |
| 7011 | char *p; |
| 7012 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
| 7013 | |
| 7014 | p = bits = (char *) alloca (nbytes * img->height); |
| 7015 | for (i = 0; i < img->height; ++i, p += nbytes) |
| 7016 | { |
| 7017 | Lisp_Object line = XVECTOR (data)->contents[i]; |
| 7018 | if (STRINGP (line)) |
| 7019 | bcopy (XSTRING (line)->data, p, nbytes); |
| 7020 | else |
| 7021 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); |
| 7022 | } |
| 7023 | } |
| 7024 | else if (STRINGP (data)) |
| 7025 | bits = XSTRING (data)->data; |
| 7026 | else |
| 7027 | bits = XBOOL_VECTOR (data)->data; |
| 7028 | |
| 7029 | /* Create the pixmap. */ |
| 7030 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); |
| 7031 | img->pixmap |
| 7032 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), |
| 7033 | FRAME_X_WINDOW (f), |
| 7034 | bits, |
| 7035 | img->width, img->height, |
| 7036 | foreground, background, |
| 7037 | depth); |
| 7038 | if (img->pixmap) |
| 7039 | success_p = 1; |
| 7040 | else |
| 7041 | { |
| 7042 | image_error ("Unable to create pixmap for XBM image `%s'", |
| 7043 | img->spec, Qnil); |
| 7044 | x_clear_image (f, img); |
| 7045 | } |
| 7046 | } |
| 7047 | } |
| 7048 | |
| 7049 | return success_p; |
| 7050 | } |
| 7051 | |
| 7052 | |
| 7053 | \f |
| 7054 | /*********************************************************************** |
| 7055 | XPM images |
| 7056 | ***********************************************************************/ |
| 7057 | |
| 7058 | #if HAVE_XPM |
| 7059 | |
| 7060 | static int xpm_image_p P_ ((Lisp_Object object)); |
| 7061 | static int xpm_load P_ ((struct frame *f, struct image *img)); |
| 7062 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); |
| 7063 | |
| 7064 | #include "X11/xpm.h" |
| 7065 | |
| 7066 | /* The symbol `xpm' identifying XPM-format images. */ |
| 7067 | |
| 7068 | Lisp_Object Qxpm; |
| 7069 | |
| 7070 | /* Indices of image specification fields in xpm_format, below. */ |
| 7071 | |
| 7072 | enum xpm_keyword_index |
| 7073 | { |
| 7074 | XPM_TYPE, |
| 7075 | XPM_FILE, |
| 7076 | XPM_DATA, |
| 7077 | XPM_ASCENT, |
| 7078 | XPM_MARGIN, |
| 7079 | XPM_RELIEF, |
| 7080 | XPM_ALGORITHM, |
| 7081 | XPM_HEURISTIC_MASK, |
| 7082 | XPM_MASK, |
| 7083 | XPM_COLOR_SYMBOLS, |
| 7084 | XPM_LAST |
| 7085 | }; |
| 7086 | |
| 7087 | /* Vector of image_keyword structures describing the format |
| 7088 | of valid XPM image specifications. */ |
| 7089 | |
| 7090 | static struct image_keyword xpm_format[XPM_LAST] = |
| 7091 | { |
| 7092 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 7093 | {":file", IMAGE_STRING_VALUE, 0}, |
| 7094 | {":data", IMAGE_STRING_VALUE, 0}, |
| 7095 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 7096 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 7097 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 7098 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 7099 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 7100 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 7101 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 7102 | }; |
| 7103 | |
| 7104 | /* Structure describing the image type XBM. */ |
| 7105 | |
| 7106 | static struct image_type xpm_type = |
| 7107 | { |
| 7108 | &Qxpm, |
| 7109 | xpm_image_p, |
| 7110 | xpm_load, |
| 7111 | x_clear_image, |
| 7112 | NULL |
| 7113 | }; |
| 7114 | |
| 7115 | |
| 7116 | /* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation |
| 7117 | functions for allocating image colors. Our own functions handle |
| 7118 | color allocation failures more gracefully than the ones on the XPM |
| 7119 | lib. */ |
| 7120 | |
| 7121 | #if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure |
| 7122 | #define ALLOC_XPM_COLORS |
| 7123 | #endif |
| 7124 | |
| 7125 | #ifdef ALLOC_XPM_COLORS |
| 7126 | |
| 7127 | static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); |
| 7128 | static void xpm_free_color_cache P_ ((void)); |
| 7129 | static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); |
| 7130 | static int xpm_color_bucket P_ ((char *)); |
| 7131 | static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, |
| 7132 | XColor *, int)); |
| 7133 | |
| 7134 | /* An entry in a hash table used to cache color definitions of named |
| 7135 | colors. This cache is necessary to speed up XPM image loading in |
| 7136 | case we do color allocations ourselves. Without it, we would need |
| 7137 | a call to XParseColor per pixel in the image. */ |
| 7138 | |
| 7139 | struct xpm_cached_color |
| 7140 | { |
| 7141 | /* Next in collision chain. */ |
| 7142 | struct xpm_cached_color *next; |
| 7143 | |
| 7144 | /* Color definition (RGB and pixel color). */ |
| 7145 | XColor color; |
| 7146 | |
| 7147 | /* Color name. */ |
| 7148 | char name[1]; |
| 7149 | }; |
| 7150 | |
| 7151 | /* The hash table used for the color cache, and its bucket vector |
| 7152 | size. */ |
| 7153 | |
| 7154 | #define XPM_COLOR_CACHE_BUCKETS 1001 |
| 7155 | struct xpm_cached_color **xpm_color_cache; |
| 7156 | |
| 7157 | /* Initialize the color cache. */ |
| 7158 | |
| 7159 | static void |
| 7160 | xpm_init_color_cache (f, attrs) |
| 7161 | struct frame *f; |
| 7162 | XpmAttributes *attrs; |
| 7163 | { |
| 7164 | size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; |
| 7165 | xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); |
| 7166 | memset (xpm_color_cache, 0, nbytes); |
| 7167 | init_color_table (); |
| 7168 | |
| 7169 | if (attrs->valuemask & XpmColorSymbols) |
| 7170 | { |
| 7171 | int i; |
| 7172 | XColor color; |
| 7173 | |
| 7174 | for (i = 0; i < attrs->numsymbols; ++i) |
| 7175 | if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
| 7176 | attrs->colorsymbols[i].value, &color)) |
| 7177 | { |
| 7178 | color.pixel = lookup_rgb_color (f, color.red, color.green, |
| 7179 | color.blue); |
| 7180 | xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); |
| 7181 | } |
| 7182 | } |
| 7183 | } |
| 7184 | |
| 7185 | |
| 7186 | /* Free the color cache. */ |
| 7187 | |
| 7188 | static void |
| 7189 | xpm_free_color_cache () |
| 7190 | { |
| 7191 | struct xpm_cached_color *p, *next; |
| 7192 | int i; |
| 7193 | |
| 7194 | for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) |
| 7195 | for (p = xpm_color_cache[i]; p; p = next) |
| 7196 | { |
| 7197 | next = p->next; |
| 7198 | xfree (p); |
| 7199 | } |
| 7200 | |
| 7201 | xfree (xpm_color_cache); |
| 7202 | xpm_color_cache = NULL; |
| 7203 | free_color_table (); |
| 7204 | } |
| 7205 | |
| 7206 | |
| 7207 | /* Return the bucket index for color named COLOR_NAME in the color |
| 7208 | cache. */ |
| 7209 | |
| 7210 | static int |
| 7211 | xpm_color_bucket (color_name) |
| 7212 | char *color_name; |
| 7213 | { |
| 7214 | unsigned h = 0; |
| 7215 | char *s; |
| 7216 | |
| 7217 | for (s = color_name; *s; ++s) |
| 7218 | h = (h << 2) ^ *s; |
| 7219 | return h %= XPM_COLOR_CACHE_BUCKETS; |
| 7220 | } |
| 7221 | |
| 7222 | |
| 7223 | /* On frame F, cache values COLOR for color with name COLOR_NAME. |
| 7224 | BUCKET, if >= 0, is a precomputed bucket index. Value is the cache |
| 7225 | entry added. */ |
| 7226 | |
| 7227 | static struct xpm_cached_color * |
| 7228 | xpm_cache_color (f, color_name, color, bucket) |
| 7229 | struct frame *f; |
| 7230 | char *color_name; |
| 7231 | XColor *color; |
| 7232 | int bucket; |
| 7233 | { |
| 7234 | size_t nbytes; |
| 7235 | struct xpm_cached_color *p; |
| 7236 | |
| 7237 | if (bucket < 0) |
| 7238 | bucket = xpm_color_bucket (color_name); |
| 7239 | |
| 7240 | nbytes = sizeof *p + strlen (color_name); |
| 7241 | p = (struct xpm_cached_color *) xmalloc (nbytes); |
| 7242 | strcpy (p->name, color_name); |
| 7243 | p->color = *color; |
| 7244 | p->next = xpm_color_cache[bucket]; |
| 7245 | xpm_color_cache[bucket] = p; |
| 7246 | return p; |
| 7247 | } |
| 7248 | |
| 7249 | |
| 7250 | /* Look up color COLOR_NAME for frame F in the color cache. If found, |
| 7251 | return the cached definition in *COLOR. Otherwise, make a new |
| 7252 | entry in the cache and allocate the color. Value is zero if color |
| 7253 | allocation failed. */ |
| 7254 | |
| 7255 | static int |
| 7256 | xpm_lookup_color (f, color_name, color) |
| 7257 | struct frame *f; |
| 7258 | char *color_name; |
| 7259 | XColor *color; |
| 7260 | { |
| 7261 | struct xpm_cached_color *p; |
| 7262 | int h = xpm_color_bucket (color_name); |
| 7263 | |
| 7264 | for (p = xpm_color_cache[h]; p; p = p->next) |
| 7265 | if (strcmp (p->name, color_name) == 0) |
| 7266 | break; |
| 7267 | |
| 7268 | if (p != NULL) |
| 7269 | *color = p->color; |
| 7270 | else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
| 7271 | color_name, color)) |
| 7272 | { |
| 7273 | color->pixel = lookup_rgb_color (f, color->red, color->green, |
| 7274 | color->blue); |
| 7275 | p = xpm_cache_color (f, color_name, color, h); |
| 7276 | } |
| 7277 | |
| 7278 | return p != NULL; |
| 7279 | } |
| 7280 | |
| 7281 | |
| 7282 | /* Callback for allocating color COLOR_NAME. Called from the XPM lib. |
| 7283 | CLOSURE is a pointer to the frame on which we allocate the |
| 7284 | color. Return in *COLOR the allocated color. Value is non-zero |
| 7285 | if successful. */ |
| 7286 | |
| 7287 | static int |
| 7288 | xpm_alloc_color (dpy, cmap, color_name, color, closure) |
| 7289 | Display *dpy; |
| 7290 | Colormap cmap; |
| 7291 | char *color_name; |
| 7292 | XColor *color; |
| 7293 | void *closure; |
| 7294 | { |
| 7295 | return xpm_lookup_color ((struct frame *) closure, color_name, color); |
| 7296 | } |
| 7297 | |
| 7298 | |
| 7299 | /* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE |
| 7300 | is a pointer to the frame on which we allocate the color. Value is |
| 7301 | non-zero if successful. */ |
| 7302 | |
| 7303 | static int |
| 7304 | xpm_free_colors (dpy, cmap, pixels, npixels, closure) |
| 7305 | Display *dpy; |
| 7306 | Colormap cmap; |
| 7307 | Pixel *pixels; |
| 7308 | int npixels; |
| 7309 | void *closure; |
| 7310 | { |
| 7311 | return 1; |
| 7312 | } |
| 7313 | |
| 7314 | #endif /* ALLOC_XPM_COLORS */ |
| 7315 | |
| 7316 | |
| 7317 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
| 7318 | for XPM images. Such a list must consist of conses whose car and |
| 7319 | cdr are strings. */ |
| 7320 | |
| 7321 | static int |
| 7322 | xpm_valid_color_symbols_p (color_symbols) |
| 7323 | Lisp_Object color_symbols; |
| 7324 | { |
| 7325 | while (CONSP (color_symbols)) |
| 7326 | { |
| 7327 | Lisp_Object sym = XCAR (color_symbols); |
| 7328 | if (!CONSP (sym) |
| 7329 | || !STRINGP (XCAR (sym)) |
| 7330 | || !STRINGP (XCDR (sym))) |
| 7331 | break; |
| 7332 | color_symbols = XCDR (color_symbols); |
| 7333 | } |
| 7334 | |
| 7335 | return NILP (color_symbols); |
| 7336 | } |
| 7337 | |
| 7338 | |
| 7339 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ |
| 7340 | |
| 7341 | static int |
| 7342 | xpm_image_p (object) |
| 7343 | Lisp_Object object; |
| 7344 | { |
| 7345 | struct image_keyword fmt[XPM_LAST]; |
| 7346 | bcopy (xpm_format, fmt, sizeof fmt); |
| 7347 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
| 7348 | /* Either `:file' or `:data' must be present. */ |
| 7349 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 |
| 7350 | /* Either no `:color-symbols' or it's a list of conses |
| 7351 | whose car and cdr are strings. */ |
| 7352 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 |
| 7353 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); |
| 7354 | } |
| 7355 | |
| 7356 | |
| 7357 | /* Load image IMG which will be displayed on frame F. Value is |
| 7358 | non-zero if successful. */ |
| 7359 | |
| 7360 | static int |
| 7361 | xpm_load (f, img) |
| 7362 | struct frame *f; |
| 7363 | struct image *img; |
| 7364 | { |
| 7365 | int rc; |
| 7366 | XpmAttributes attrs; |
| 7367 | Lisp_Object specified_file, color_symbols; |
| 7368 | |
| 7369 | /* Configure the XPM lib. Use the visual of frame F. Allocate |
| 7370 | close colors. Return colors allocated. */ |
| 7371 | bzero (&attrs, sizeof attrs); |
| 7372 | attrs.visual = FRAME_X_VISUAL (f); |
| 7373 | attrs.colormap = FRAME_X_COLORMAP (f); |
| 7374 | attrs.valuemask |= XpmVisual; |
| 7375 | attrs.valuemask |= XpmColormap; |
| 7376 | |
| 7377 | #ifdef ALLOC_XPM_COLORS |
| 7378 | /* Allocate colors with our own functions which handle |
| 7379 | failing color allocation more gracefully. */ |
| 7380 | attrs.color_closure = f; |
| 7381 | attrs.alloc_color = xpm_alloc_color; |
| 7382 | attrs.free_colors = xpm_free_colors; |
| 7383 | attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; |
| 7384 | #else /* not ALLOC_XPM_COLORS */ |
| 7385 | /* Let the XPM lib allocate colors. */ |
| 7386 | attrs.valuemask |= XpmReturnAllocPixels; |
| 7387 | #ifdef XpmAllocCloseColors |
| 7388 | attrs.alloc_close_colors = 1; |
| 7389 | attrs.valuemask |= XpmAllocCloseColors; |
| 7390 | #else /* not XpmAllocCloseColors */ |
| 7391 | attrs.closeness = 600; |
| 7392 | attrs.valuemask |= XpmCloseness; |
| 7393 | #endif /* not XpmAllocCloseColors */ |
| 7394 | #endif /* ALLOC_XPM_COLORS */ |
| 7395 | |
| 7396 | /* If image specification contains symbolic color definitions, add |
| 7397 | these to `attrs'. */ |
| 7398 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); |
| 7399 | if (CONSP (color_symbols)) |
| 7400 | { |
| 7401 | Lisp_Object tail; |
| 7402 | XpmColorSymbol *xpm_syms; |
| 7403 | int i, size; |
| 7404 | |
| 7405 | attrs.valuemask |= XpmColorSymbols; |
| 7406 | |
| 7407 | /* Count number of symbols. */ |
| 7408 | attrs.numsymbols = 0; |
| 7409 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) |
| 7410 | ++attrs.numsymbols; |
| 7411 | |
| 7412 | /* Allocate an XpmColorSymbol array. */ |
| 7413 | size = attrs.numsymbols * sizeof *xpm_syms; |
| 7414 | xpm_syms = (XpmColorSymbol *) alloca (size); |
| 7415 | bzero (xpm_syms, size); |
| 7416 | attrs.colorsymbols = xpm_syms; |
| 7417 | |
| 7418 | /* Fill the color symbol array. */ |
| 7419 | for (tail = color_symbols, i = 0; |
| 7420 | CONSP (tail); |
| 7421 | ++i, tail = XCDR (tail)) |
| 7422 | { |
| 7423 | Lisp_Object name = XCAR (XCAR (tail)); |
| 7424 | Lisp_Object color = XCDR (XCAR (tail)); |
| 7425 | xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1); |
| 7426 | strcpy (xpm_syms[i].name, XSTRING (name)->data); |
| 7427 | xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1); |
| 7428 | strcpy (xpm_syms[i].value, XSTRING (color)->data); |
| 7429 | } |
| 7430 | } |
| 7431 | |
| 7432 | /* Create a pixmap for the image, either from a file, or from a |
| 7433 | string buffer containing data in the same format as an XPM file. */ |
| 7434 | #ifdef ALLOC_XPM_COLORS |
| 7435 | xpm_init_color_cache (f, &attrs); |
| 7436 | #endif |
| 7437 | |
| 7438 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 7439 | if (STRINGP (specified_file)) |
| 7440 | { |
| 7441 | Lisp_Object file = x_find_image_file (specified_file); |
| 7442 | if (!STRINGP (file)) |
| 7443 | { |
| 7444 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 7445 | return 0; |
| 7446 | } |
| 7447 | |
| 7448 | rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 7449 | XSTRING (file)->data, &img->pixmap, &img->mask, |
| 7450 | &attrs); |
| 7451 | } |
| 7452 | else |
| 7453 | { |
| 7454 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); |
| 7455 | rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 7456 | XSTRING (buffer)->data, |
| 7457 | &img->pixmap, &img->mask, |
| 7458 | &attrs); |
| 7459 | } |
| 7460 | |
| 7461 | if (rc == XpmSuccess) |
| 7462 | { |
| 7463 | #ifdef ALLOC_XPM_COLORS |
| 7464 | img->colors = colors_in_color_table (&img->ncolors); |
| 7465 | #else /* not ALLOC_XPM_COLORS */ |
| 7466 | int i; |
| 7467 | |
| 7468 | img->ncolors = attrs.nalloc_pixels; |
| 7469 | img->colors = (unsigned long *) xmalloc (img->ncolors |
| 7470 | * sizeof *img->colors); |
| 7471 | for (i = 0; i < attrs.nalloc_pixels; ++i) |
| 7472 | { |
| 7473 | img->colors[i] = attrs.alloc_pixels[i]; |
| 7474 | #ifdef DEBUG_X_COLORS |
| 7475 | register_color (img->colors[i]); |
| 7476 | #endif |
| 7477 | } |
| 7478 | #endif /* not ALLOC_XPM_COLORS */ |
| 7479 | |
| 7480 | img->width = attrs.width; |
| 7481 | img->height = attrs.height; |
| 7482 | xassert (img->width > 0 && img->height > 0); |
| 7483 | |
| 7484 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ |
| 7485 | XpmFreeAttributes (&attrs); |
| 7486 | } |
| 7487 | else |
| 7488 | { |
| 7489 | switch (rc) |
| 7490 | { |
| 7491 | case XpmOpenFailed: |
| 7492 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); |
| 7493 | break; |
| 7494 | |
| 7495 | case XpmFileInvalid: |
| 7496 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); |
| 7497 | break; |
| 7498 | |
| 7499 | case XpmNoMemory: |
| 7500 | image_error ("Out of memory (%s)", img->spec, Qnil); |
| 7501 | break; |
| 7502 | |
| 7503 | case XpmColorFailed: |
| 7504 | image_error ("Color allocation error (%s)", img->spec, Qnil); |
| 7505 | break; |
| 7506 | |
| 7507 | default: |
| 7508 | image_error ("Unknown error (%s)", img->spec, Qnil); |
| 7509 | break; |
| 7510 | } |
| 7511 | } |
| 7512 | |
| 7513 | #ifdef ALLOC_XPM_COLORS |
| 7514 | xpm_free_color_cache (); |
| 7515 | #endif |
| 7516 | return rc == XpmSuccess; |
| 7517 | } |
| 7518 | |
| 7519 | #endif /* HAVE_XPM != 0 */ |
| 7520 | |
| 7521 | \f |
| 7522 | /*********************************************************************** |
| 7523 | Color table |
| 7524 | ***********************************************************************/ |
| 7525 | |
| 7526 | /* An entry in the color table mapping an RGB color to a pixel color. */ |
| 7527 | |
| 7528 | struct ct_color |
| 7529 | { |
| 7530 | int r, g, b; |
| 7531 | unsigned long pixel; |
| 7532 | |
| 7533 | /* Next in color table collision list. */ |
| 7534 | struct ct_color *next; |
| 7535 | }; |
| 7536 | |
| 7537 | /* The bucket vector size to use. Must be prime. */ |
| 7538 | |
| 7539 | #define CT_SIZE 101 |
| 7540 | |
| 7541 | /* Value is a hash of the RGB color given by R, G, and B. */ |
| 7542 | |
| 7543 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) |
| 7544 | |
| 7545 | /* The color hash table. */ |
| 7546 | |
| 7547 | struct ct_color **ct_table; |
| 7548 | |
| 7549 | /* Number of entries in the color table. */ |
| 7550 | |
| 7551 | int ct_colors_allocated; |
| 7552 | |
| 7553 | /* Initialize the color table. */ |
| 7554 | |
| 7555 | static void |
| 7556 | init_color_table () |
| 7557 | { |
| 7558 | int size = CT_SIZE * sizeof (*ct_table); |
| 7559 | ct_table = (struct ct_color **) xmalloc (size); |
| 7560 | bzero (ct_table, size); |
| 7561 | ct_colors_allocated = 0; |
| 7562 | } |
| 7563 | |
| 7564 | |
| 7565 | /* Free memory associated with the color table. */ |
| 7566 | |
| 7567 | static void |
| 7568 | free_color_table () |
| 7569 | { |
| 7570 | int i; |
| 7571 | struct ct_color *p, *next; |
| 7572 | |
| 7573 | for (i = 0; i < CT_SIZE; ++i) |
| 7574 | for (p = ct_table[i]; p; p = next) |
| 7575 | { |
| 7576 | next = p->next; |
| 7577 | xfree (p); |
| 7578 | } |
| 7579 | |
| 7580 | xfree (ct_table); |
| 7581 | ct_table = NULL; |
| 7582 | } |
| 7583 | |
| 7584 | |
| 7585 | /* Value is a pixel color for RGB color R, G, B on frame F. If an |
| 7586 | entry for that color already is in the color table, return the |
| 7587 | pixel color of that entry. Otherwise, allocate a new color for R, |
| 7588 | G, B, and make an entry in the color table. */ |
| 7589 | |
| 7590 | static unsigned long |
| 7591 | lookup_rgb_color (f, r, g, b) |
| 7592 | struct frame *f; |
| 7593 | int r, g, b; |
| 7594 | { |
| 7595 | unsigned hash = CT_HASH_RGB (r, g, b); |
| 7596 | int i = hash % CT_SIZE; |
| 7597 | struct ct_color *p; |
| 7598 | |
| 7599 | for (p = ct_table[i]; p; p = p->next) |
| 7600 | if (p->r == r && p->g == g && p->b == b) |
| 7601 | break; |
| 7602 | |
| 7603 | if (p == NULL) |
| 7604 | { |
| 7605 | XColor color; |
| 7606 | Colormap cmap; |
| 7607 | int rc; |
| 7608 | |
| 7609 | color.red = r; |
| 7610 | color.green = g; |
| 7611 | color.blue = b; |
| 7612 | |
| 7613 | cmap = FRAME_X_COLORMAP (f); |
| 7614 | rc = x_alloc_nearest_color (f, cmap, &color); |
| 7615 | |
| 7616 | if (rc) |
| 7617 | { |
| 7618 | ++ct_colors_allocated; |
| 7619 | |
| 7620 | p = (struct ct_color *) xmalloc (sizeof *p); |
| 7621 | p->r = r; |
| 7622 | p->g = g; |
| 7623 | p->b = b; |
| 7624 | p->pixel = color.pixel; |
| 7625 | p->next = ct_table[i]; |
| 7626 | ct_table[i] = p; |
| 7627 | } |
| 7628 | else |
| 7629 | return FRAME_FOREGROUND_PIXEL (f); |
| 7630 | } |
| 7631 | |
| 7632 | return p->pixel; |
| 7633 | } |
| 7634 | |
| 7635 | |
| 7636 | /* Look up pixel color PIXEL which is used on frame F in the color |
| 7637 | table. If not already present, allocate it. Value is PIXEL. */ |
| 7638 | |
| 7639 | static unsigned long |
| 7640 | lookup_pixel_color (f, pixel) |
| 7641 | struct frame *f; |
| 7642 | unsigned long pixel; |
| 7643 | { |
| 7644 | int i = pixel % CT_SIZE; |
| 7645 | struct ct_color *p; |
| 7646 | |
| 7647 | for (p = ct_table[i]; p; p = p->next) |
| 7648 | if (p->pixel == pixel) |
| 7649 | break; |
| 7650 | |
| 7651 | if (p == NULL) |
| 7652 | { |
| 7653 | XColor color; |
| 7654 | Colormap cmap; |
| 7655 | int rc; |
| 7656 | |
| 7657 | cmap = FRAME_X_COLORMAP (f); |
| 7658 | color.pixel = pixel; |
| 7659 | x_query_color (f, &color); |
| 7660 | rc = x_alloc_nearest_color (f, cmap, &color); |
| 7661 | |
| 7662 | if (rc) |
| 7663 | { |
| 7664 | ++ct_colors_allocated; |
| 7665 | |
| 7666 | p = (struct ct_color *) xmalloc (sizeof *p); |
| 7667 | p->r = color.red; |
| 7668 | p->g = color.green; |
| 7669 | p->b = color.blue; |
| 7670 | p->pixel = pixel; |
| 7671 | p->next = ct_table[i]; |
| 7672 | ct_table[i] = p; |
| 7673 | } |
| 7674 | else |
| 7675 | return FRAME_FOREGROUND_PIXEL (f); |
| 7676 | } |
| 7677 | |
| 7678 | return p->pixel; |
| 7679 | } |
| 7680 | |
| 7681 | |
| 7682 | /* Value is a vector of all pixel colors contained in the color table, |
| 7683 | allocated via xmalloc. Set *N to the number of colors. */ |
| 7684 | |
| 7685 | static unsigned long * |
| 7686 | colors_in_color_table (n) |
| 7687 | int *n; |
| 7688 | { |
| 7689 | int i, j; |
| 7690 | struct ct_color *p; |
| 7691 | unsigned long *colors; |
| 7692 | |
| 7693 | if (ct_colors_allocated == 0) |
| 7694 | { |
| 7695 | *n = 0; |
| 7696 | colors = NULL; |
| 7697 | } |
| 7698 | else |
| 7699 | { |
| 7700 | colors = (unsigned long *) xmalloc (ct_colors_allocated |
| 7701 | * sizeof *colors); |
| 7702 | *n = ct_colors_allocated; |
| 7703 | |
| 7704 | for (i = j = 0; i < CT_SIZE; ++i) |
| 7705 | for (p = ct_table[i]; p; p = p->next) |
| 7706 | colors[j++] = p->pixel; |
| 7707 | } |
| 7708 | |
| 7709 | return colors; |
| 7710 | } |
| 7711 | |
| 7712 | |
| 7713 | \f |
| 7714 | /*********************************************************************** |
| 7715 | Algorithms |
| 7716 | ***********************************************************************/ |
| 7717 | |
| 7718 | static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); |
| 7719 | static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); |
| 7720 | static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); |
| 7721 | |
| 7722 | /* Non-zero means draw a cross on images having `:conversion |
| 7723 | disabled'. */ |
| 7724 | |
| 7725 | int cross_disabled_images; |
| 7726 | |
| 7727 | /* Edge detection matrices for different edge-detection |
| 7728 | strategies. */ |
| 7729 | |
| 7730 | static int emboss_matrix[9] = { |
| 7731 | /* x - 1 x x + 1 */ |
| 7732 | 2, -1, 0, /* y - 1 */ |
| 7733 | -1, 0, 1, /* y */ |
| 7734 | 0, 1, -2 /* y + 1 */ |
| 7735 | }; |
| 7736 | |
| 7737 | static int laplace_matrix[9] = { |
| 7738 | /* x - 1 x x + 1 */ |
| 7739 | 1, 0, 0, /* y - 1 */ |
| 7740 | 0, 0, 0, /* y */ |
| 7741 | 0, 0, -1 /* y + 1 */ |
| 7742 | }; |
| 7743 | |
| 7744 | /* Value is the intensity of the color whose red/green/blue values |
| 7745 | are R, G, and B. */ |
| 7746 | |
| 7747 | #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) |
| 7748 | |
| 7749 | |
| 7750 | /* On frame F, return an array of XColor structures describing image |
| 7751 | IMG->pixmap. Each XColor structure has its pixel color set. RGB_P |
| 7752 | non-zero means also fill the red/green/blue members of the XColor |
| 7753 | structures. Value is a pointer to the array of XColors structures, |
| 7754 | allocated with xmalloc; it must be freed by the caller. */ |
| 7755 | |
| 7756 | static XColor * |
| 7757 | x_to_xcolors (f, img, rgb_p) |
| 7758 | struct frame *f; |
| 7759 | struct image *img; |
| 7760 | int rgb_p; |
| 7761 | { |
| 7762 | int x, y; |
| 7763 | XColor *colors, *p; |
| 7764 | XImage *ximg; |
| 7765 | |
| 7766 | colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); |
| 7767 | |
| 7768 | /* Get the X image IMG->pixmap. */ |
| 7769 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, |
| 7770 | 0, 0, img->width, img->height, ~0, ZPixmap); |
| 7771 | |
| 7772 | /* Fill the `pixel' members of the XColor array. I wished there |
| 7773 | were an easy and portable way to circumvent XGetPixel. */ |
| 7774 | p = colors; |
| 7775 | for (y = 0; y < img->height; ++y) |
| 7776 | { |
| 7777 | XColor *row = p; |
| 7778 | |
| 7779 | for (x = 0; x < img->width; ++x, ++p) |
| 7780 | p->pixel = XGetPixel (ximg, x, y); |
| 7781 | |
| 7782 | if (rgb_p) |
| 7783 | x_query_colors (f, row, img->width); |
| 7784 | } |
| 7785 | |
| 7786 | XDestroyImage (ximg); |
| 7787 | return colors; |
| 7788 | } |
| 7789 | |
| 7790 | |
| 7791 | /* Create IMG->pixmap from an array COLORS of XColor structures, whose |
| 7792 | RGB members are set. F is the frame on which this all happens. |
| 7793 | COLORS will be freed; an existing IMG->pixmap will be freed, too. */ |
| 7794 | |
| 7795 | static void |
| 7796 | x_from_xcolors (f, img, colors) |
| 7797 | struct frame *f; |
| 7798 | struct image *img; |
| 7799 | XColor *colors; |
| 7800 | { |
| 7801 | int x, y; |
| 7802 | XImage *oimg; |
| 7803 | Pixmap pixmap; |
| 7804 | XColor *p; |
| 7805 | |
| 7806 | init_color_table (); |
| 7807 | |
| 7808 | x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
| 7809 | &oimg, &pixmap); |
| 7810 | p = colors; |
| 7811 | for (y = 0; y < img->height; ++y) |
| 7812 | for (x = 0; x < img->width; ++x, ++p) |
| 7813 | { |
| 7814 | unsigned long pixel; |
| 7815 | pixel = lookup_rgb_color (f, p->red, p->green, p->blue); |
| 7816 | XPutPixel (oimg, x, y, pixel); |
| 7817 | } |
| 7818 | |
| 7819 | xfree (colors); |
| 7820 | x_clear_image_1 (f, img, 1, 0, 1); |
| 7821 | |
| 7822 | x_put_x_image (f, oimg, pixmap, img->width, img->height); |
| 7823 | x_destroy_x_image (oimg); |
| 7824 | img->pixmap = pixmap; |
| 7825 | img->colors = colors_in_color_table (&img->ncolors); |
| 7826 | free_color_table (); |
| 7827 | } |
| 7828 | |
| 7829 | |
| 7830 | /* On frame F, perform edge-detection on image IMG. |
| 7831 | |
| 7832 | MATRIX is a nine-element array specifying the transformation |
| 7833 | matrix. See emboss_matrix for an example. |
| 7834 | |
| 7835 | COLOR_ADJUST is a color adjustment added to each pixel of the |
| 7836 | outgoing image. */ |
| 7837 | |
| 7838 | static void |
| 7839 | x_detect_edges (f, img, matrix, color_adjust) |
| 7840 | struct frame *f; |
| 7841 | struct image *img; |
| 7842 | int matrix[9], color_adjust; |
| 7843 | { |
| 7844 | XColor *colors = x_to_xcolors (f, img, 1); |
| 7845 | XColor *new, *p; |
| 7846 | int x, y, i, sum; |
| 7847 | |
| 7848 | for (i = sum = 0; i < 9; ++i) |
| 7849 | sum += abs (matrix[i]); |
| 7850 | |
| 7851 | #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) |
| 7852 | |
| 7853 | new = (XColor *) xmalloc (img->width * img->height * sizeof *new); |
| 7854 | |
| 7855 | for (y = 0; y < img->height; ++y) |
| 7856 | { |
| 7857 | p = COLOR (new, 0, y); |
| 7858 | p->red = p->green = p->blue = 0xffff/2; |
| 7859 | p = COLOR (new, img->width - 1, y); |
| 7860 | p->red = p->green = p->blue = 0xffff/2; |
| 7861 | } |
| 7862 | |
| 7863 | for (x = 1; x < img->width - 1; ++x) |
| 7864 | { |
| 7865 | p = COLOR (new, x, 0); |
| 7866 | p->red = p->green = p->blue = 0xffff/2; |
| 7867 | p = COLOR (new, x, img->height - 1); |
| 7868 | p->red = p->green = p->blue = 0xffff/2; |
| 7869 | } |
| 7870 | |
| 7871 | for (y = 1; y < img->height - 1; ++y) |
| 7872 | { |
| 7873 | p = COLOR (new, 1, y); |
| 7874 | |
| 7875 | for (x = 1; x < img->width - 1; ++x, ++p) |
| 7876 | { |
| 7877 | int r, g, b, y1, x1; |
| 7878 | |
| 7879 | r = g = b = i = 0; |
| 7880 | for (y1 = y - 1; y1 < y + 2; ++y1) |
| 7881 | for (x1 = x - 1; x1 < x + 2; ++x1, ++i) |
| 7882 | if (matrix[i]) |
| 7883 | { |
| 7884 | XColor *t = COLOR (colors, x1, y1); |
| 7885 | r += matrix[i] * t->red; |
| 7886 | g += matrix[i] * t->green; |
| 7887 | b += matrix[i] * t->blue; |
| 7888 | } |
| 7889 | |
| 7890 | r = (r / sum + color_adjust) & 0xffff; |
| 7891 | g = (g / sum + color_adjust) & 0xffff; |
| 7892 | b = (b / sum + color_adjust) & 0xffff; |
| 7893 | p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); |
| 7894 | } |
| 7895 | } |
| 7896 | |
| 7897 | xfree (colors); |
| 7898 | x_from_xcolors (f, img, new); |
| 7899 | |
| 7900 | #undef COLOR |
| 7901 | } |
| 7902 | |
| 7903 | |
| 7904 | /* Perform the pre-defined `emboss' edge-detection on image IMG |
| 7905 | on frame F. */ |
| 7906 | |
| 7907 | static void |
| 7908 | x_emboss (f, img) |
| 7909 | struct frame *f; |
| 7910 | struct image *img; |
| 7911 | { |
| 7912 | x_detect_edges (f, img, emboss_matrix, 0xffff / 2); |
| 7913 | } |
| 7914 | |
| 7915 | |
| 7916 | /* Perform the pre-defined `laplace' edge-detection on image IMG |
| 7917 | on frame F. */ |
| 7918 | |
| 7919 | static void |
| 7920 | x_laplace (f, img) |
| 7921 | struct frame *f; |
| 7922 | struct image *img; |
| 7923 | { |
| 7924 | x_detect_edges (f, img, laplace_matrix, 45000); |
| 7925 | } |
| 7926 | |
| 7927 | |
| 7928 | /* Perform edge-detection on image IMG on frame F, with specified |
| 7929 | transformation matrix MATRIX and color-adjustment COLOR_ADJUST. |
| 7930 | |
| 7931 | MATRIX must be either |
| 7932 | |
| 7933 | - a list of at least 9 numbers in row-major form |
| 7934 | - a vector of at least 9 numbers |
| 7935 | |
| 7936 | COLOR_ADJUST nil means use a default; otherwise it must be a |
| 7937 | number. */ |
| 7938 | |
| 7939 | static void |
| 7940 | x_edge_detection (f, img, matrix, color_adjust) |
| 7941 | struct frame *f; |
| 7942 | struct image *img; |
| 7943 | Lisp_Object matrix, color_adjust; |
| 7944 | { |
| 7945 | int i = 0; |
| 7946 | int trans[9]; |
| 7947 | |
| 7948 | if (CONSP (matrix)) |
| 7949 | { |
| 7950 | for (i = 0; |
| 7951 | i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); |
| 7952 | ++i, matrix = XCDR (matrix)) |
| 7953 | trans[i] = XFLOATINT (XCAR (matrix)); |
| 7954 | } |
| 7955 | else if (VECTORP (matrix) && ASIZE (matrix) >= 9) |
| 7956 | { |
| 7957 | for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) |
| 7958 | trans[i] = XFLOATINT (AREF (matrix, i)); |
| 7959 | } |
| 7960 | |
| 7961 | if (NILP (color_adjust)) |
| 7962 | color_adjust = make_number (0xffff / 2); |
| 7963 | |
| 7964 | if (i == 9 && NUMBERP (color_adjust)) |
| 7965 | x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); |
| 7966 | } |
| 7967 | |
| 7968 | |
| 7969 | /* Transform image IMG on frame F so that it looks disabled. */ |
| 7970 | |
| 7971 | static void |
| 7972 | x_disable_image (f, img) |
| 7973 | struct frame *f; |
| 7974 | struct image *img; |
| 7975 | { |
| 7976 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
| 7977 | |
| 7978 | if (dpyinfo->n_planes >= 2) |
| 7979 | { |
| 7980 | /* Color (or grayscale). Convert to gray, and equalize. Just |
| 7981 | drawing such images with a stipple can look very odd, so |
| 7982 | we're using this method instead. */ |
| 7983 | XColor *colors = x_to_xcolors (f, img, 1); |
| 7984 | XColor *p, *end; |
| 7985 | const int h = 15000; |
| 7986 | const int l = 30000; |
| 7987 | |
| 7988 | for (p = colors, end = colors + img->width * img->height; |
| 7989 | p < end; |
| 7990 | ++p) |
| 7991 | { |
| 7992 | int i = COLOR_INTENSITY (p->red, p->green, p->blue); |
| 7993 | int i2 = (0xffff - h - l) * i / 0xffff + l; |
| 7994 | p->red = p->green = p->blue = i2; |
| 7995 | } |
| 7996 | |
| 7997 | x_from_xcolors (f, img, colors); |
| 7998 | } |
| 7999 | |
| 8000 | /* Draw a cross over the disabled image, if we must or if we |
| 8001 | should. */ |
| 8002 | if (dpyinfo->n_planes < 2 || cross_disabled_images) |
| 8003 | { |
| 8004 | Display *dpy = FRAME_X_DISPLAY (f); |
| 8005 | GC gc; |
| 8006 | |
| 8007 | gc = XCreateGC (dpy, img->pixmap, 0, NULL); |
| 8008 | XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); |
| 8009 | XDrawLine (dpy, img->pixmap, gc, 0, 0, |
| 8010 | img->width - 1, img->height - 1); |
| 8011 | XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, |
| 8012 | img->width - 1, 0); |
| 8013 | XFreeGC (dpy, gc); |
| 8014 | |
| 8015 | if (img->mask) |
| 8016 | { |
| 8017 | gc = XCreateGC (dpy, img->mask, 0, NULL); |
| 8018 | XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); |
| 8019 | XDrawLine (dpy, img->mask, gc, 0, 0, |
| 8020 | img->width - 1, img->height - 1); |
| 8021 | XDrawLine (dpy, img->mask, gc, 0, img->height - 1, |
| 8022 | img->width - 1, 0); |
| 8023 | XFreeGC (dpy, gc); |
| 8024 | } |
| 8025 | } |
| 8026 | } |
| 8027 | |
| 8028 | |
| 8029 | /* Build a mask for image IMG which is used on frame F. FILE is the |
| 8030 | name of an image file, for error messages. HOW determines how to |
| 8031 | determine the background color of IMG. If it is a list '(R G B)', |
| 8032 | with R, G, and B being integers >= 0, take that as the color of the |
| 8033 | background. Otherwise, determine the background color of IMG |
| 8034 | heuristically. Value is non-zero if successful. */ |
| 8035 | |
| 8036 | static int |
| 8037 | x_build_heuristic_mask (f, img, how) |
| 8038 | struct frame *f; |
| 8039 | struct image *img; |
| 8040 | Lisp_Object how; |
| 8041 | { |
| 8042 | Display *dpy = FRAME_X_DISPLAY (f); |
| 8043 | XImage *ximg, *mask_img; |
| 8044 | int x, y, rc, look_at_corners_p; |
| 8045 | unsigned long bg = 0; |
| 8046 | |
| 8047 | if (img->mask) |
| 8048 | { |
| 8049 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
| 8050 | img->mask = None; |
| 8051 | } |
| 8052 | |
| 8053 | /* Create an image and pixmap serving as mask. */ |
| 8054 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
| 8055 | &mask_img, &img->mask); |
| 8056 | if (!rc) |
| 8057 | return 0; |
| 8058 | |
| 8059 | /* Get the X image of IMG->pixmap. */ |
| 8060 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, |
| 8061 | ~0, ZPixmap); |
| 8062 | |
| 8063 | /* Determine the background color of ximg. If HOW is `(R G B)' |
| 8064 | take that as color. Otherwise, try to determine the color |
| 8065 | heuristically. */ |
| 8066 | look_at_corners_p = 1; |
| 8067 | |
| 8068 | if (CONSP (how)) |
| 8069 | { |
| 8070 | int rgb[3], i = 0; |
| 8071 | |
| 8072 | while (i < 3 |
| 8073 | && CONSP (how) |
| 8074 | && NATNUMP (XCAR (how))) |
| 8075 | { |
| 8076 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; |
| 8077 | how = XCDR (how); |
| 8078 | } |
| 8079 | |
| 8080 | if (i == 3 && NILP (how)) |
| 8081 | { |
| 8082 | char color_name[30]; |
| 8083 | XColor exact, color; |
| 8084 | Colormap cmap; |
| 8085 | |
| 8086 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); |
| 8087 | |
| 8088 | cmap = FRAME_X_COLORMAP (f); |
| 8089 | if (XLookupColor (dpy, cmap, color_name, &exact, &color)) |
| 8090 | { |
| 8091 | bg = color.pixel; |
| 8092 | look_at_corners_p = 0; |
| 8093 | } |
| 8094 | } |
| 8095 | } |
| 8096 | |
| 8097 | if (look_at_corners_p) |
| 8098 | { |
| 8099 | unsigned long corners[4]; |
| 8100 | int i, best_count; |
| 8101 | |
| 8102 | /* Get the colors at the corners of ximg. */ |
| 8103 | corners[0] = XGetPixel (ximg, 0, 0); |
| 8104 | corners[1] = XGetPixel (ximg, img->width - 1, 0); |
| 8105 | corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1); |
| 8106 | corners[3] = XGetPixel (ximg, 0, img->height - 1); |
| 8107 | |
| 8108 | /* Choose the most frequently found color as background. */ |
| 8109 | for (i = best_count = 0; i < 4; ++i) |
| 8110 | { |
| 8111 | int j, n; |
| 8112 | |
| 8113 | for (j = n = 0; j < 4; ++j) |
| 8114 | if (corners[i] == corners[j]) |
| 8115 | ++n; |
| 8116 | |
| 8117 | if (n > best_count) |
| 8118 | bg = corners[i], best_count = n; |
| 8119 | } |
| 8120 | } |
| 8121 | |
| 8122 | /* Set all bits in mask_img to 1 whose color in ximg is different |
| 8123 | from the background color bg. */ |
| 8124 | for (y = 0; y < img->height; ++y) |
| 8125 | for (x = 0; x < img->width; ++x) |
| 8126 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); |
| 8127 | |
| 8128 | /* Put mask_img into img->mask. */ |
| 8129 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
| 8130 | x_destroy_x_image (mask_img); |
| 8131 | XDestroyImage (ximg); |
| 8132 | |
| 8133 | return 1; |
| 8134 | } |
| 8135 | |
| 8136 | |
| 8137 | \f |
| 8138 | /*********************************************************************** |
| 8139 | PBM (mono, gray, color) |
| 8140 | ***********************************************************************/ |
| 8141 | |
| 8142 | static int pbm_image_p P_ ((Lisp_Object object)); |
| 8143 | static int pbm_load P_ ((struct frame *f, struct image *img)); |
| 8144 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
| 8145 | |
| 8146 | /* The symbol `pbm' identifying images of this type. */ |
| 8147 | |
| 8148 | Lisp_Object Qpbm; |
| 8149 | |
| 8150 | /* Indices of image specification fields in gs_format, below. */ |
| 8151 | |
| 8152 | enum pbm_keyword_index |
| 8153 | { |
| 8154 | PBM_TYPE, |
| 8155 | PBM_FILE, |
| 8156 | PBM_DATA, |
| 8157 | PBM_ASCENT, |
| 8158 | PBM_MARGIN, |
| 8159 | PBM_RELIEF, |
| 8160 | PBM_ALGORITHM, |
| 8161 | PBM_HEURISTIC_MASK, |
| 8162 | PBM_MASK, |
| 8163 | PBM_FOREGROUND, |
| 8164 | PBM_BACKGROUND, |
| 8165 | PBM_LAST |
| 8166 | }; |
| 8167 | |
| 8168 | /* Vector of image_keyword structures describing the format |
| 8169 | of valid user-defined image specifications. */ |
| 8170 | |
| 8171 | static struct image_keyword pbm_format[PBM_LAST] = |
| 8172 | { |
| 8173 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 8174 | {":file", IMAGE_STRING_VALUE, 0}, |
| 8175 | {":data", IMAGE_STRING_VALUE, 0}, |
| 8176 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 8177 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 8178 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 8179 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8180 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8181 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8182 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
| 8183 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} |
| 8184 | }; |
| 8185 | |
| 8186 | /* Structure describing the image type `pbm'. */ |
| 8187 | |
| 8188 | static struct image_type pbm_type = |
| 8189 | { |
| 8190 | &Qpbm, |
| 8191 | pbm_image_p, |
| 8192 | pbm_load, |
| 8193 | x_clear_image, |
| 8194 | NULL |
| 8195 | }; |
| 8196 | |
| 8197 | |
| 8198 | /* Return non-zero if OBJECT is a valid PBM image specification. */ |
| 8199 | |
| 8200 | static int |
| 8201 | pbm_image_p (object) |
| 8202 | Lisp_Object object; |
| 8203 | { |
| 8204 | struct image_keyword fmt[PBM_LAST]; |
| 8205 | |
| 8206 | bcopy (pbm_format, fmt, sizeof fmt); |
| 8207 | |
| 8208 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) |
| 8209 | return 0; |
| 8210 | |
| 8211 | /* Must specify either :data or :file. */ |
| 8212 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; |
| 8213 | } |
| 8214 | |
| 8215 | |
| 8216 | /* Scan a decimal number from *S and return it. Advance *S while |
| 8217 | reading the number. END is the end of the string. Value is -1 at |
| 8218 | end of input. */ |
| 8219 | |
| 8220 | static int |
| 8221 | pbm_scan_number (s, end) |
| 8222 | unsigned char **s, *end; |
| 8223 | { |
| 8224 | int c = 0, val = -1; |
| 8225 | |
| 8226 | while (*s < end) |
| 8227 | { |
| 8228 | /* Skip white-space. */ |
| 8229 | while (*s < end && (c = *(*s)++, isspace (c))) |
| 8230 | ; |
| 8231 | |
| 8232 | if (c == '#') |
| 8233 | { |
| 8234 | /* Skip comment to end of line. */ |
| 8235 | while (*s < end && (c = *(*s)++, c != '\n')) |
| 8236 | ; |
| 8237 | } |
| 8238 | else if (isdigit (c)) |
| 8239 | { |
| 8240 | /* Read decimal number. */ |
| 8241 | val = c - '0'; |
| 8242 | while (*s < end && (c = *(*s)++, isdigit (c))) |
| 8243 | val = 10 * val + c - '0'; |
| 8244 | break; |
| 8245 | } |
| 8246 | else |
| 8247 | break; |
| 8248 | } |
| 8249 | |
| 8250 | return val; |
| 8251 | } |
| 8252 | |
| 8253 | |
| 8254 | /* Load PBM image IMG for use on frame F. */ |
| 8255 | |
| 8256 | static int |
| 8257 | pbm_load (f, img) |
| 8258 | struct frame *f; |
| 8259 | struct image *img; |
| 8260 | { |
| 8261 | int raw_p, x, y; |
| 8262 | int width, height, max_color_idx = 0; |
| 8263 | XImage *ximg; |
| 8264 | Lisp_Object file, specified_file; |
| 8265 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; |
| 8266 | struct gcpro gcpro1; |
| 8267 | unsigned char *contents = NULL; |
| 8268 | unsigned char *end, *p; |
| 8269 | int size; |
| 8270 | |
| 8271 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 8272 | file = Qnil; |
| 8273 | GCPRO1 (file); |
| 8274 | |
| 8275 | if (STRINGP (specified_file)) |
| 8276 | { |
| 8277 | file = x_find_image_file (specified_file); |
| 8278 | if (!STRINGP (file)) |
| 8279 | { |
| 8280 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 8281 | UNGCPRO; |
| 8282 | return 0; |
| 8283 | } |
| 8284 | |
| 8285 | contents = slurp_file (XSTRING (file)->data, &size); |
| 8286 | if (contents == NULL) |
| 8287 | { |
| 8288 | image_error ("Error reading `%s'", file, Qnil); |
| 8289 | UNGCPRO; |
| 8290 | return 0; |
| 8291 | } |
| 8292 | |
| 8293 | p = contents; |
| 8294 | end = contents + size; |
| 8295 | } |
| 8296 | else |
| 8297 | { |
| 8298 | Lisp_Object data; |
| 8299 | data = image_spec_value (img->spec, QCdata, NULL); |
| 8300 | p = XSTRING (data)->data; |
| 8301 | end = p + STRING_BYTES (XSTRING (data)); |
| 8302 | } |
| 8303 | |
| 8304 | /* Check magic number. */ |
| 8305 | if (end - p < 2 || *p++ != 'P') |
| 8306 | { |
| 8307 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
| 8308 | error: |
| 8309 | xfree (contents); |
| 8310 | UNGCPRO; |
| 8311 | return 0; |
| 8312 | } |
| 8313 | |
| 8314 | switch (*p++) |
| 8315 | { |
| 8316 | case '1': |
| 8317 | raw_p = 0, type = PBM_MONO; |
| 8318 | break; |
| 8319 | |
| 8320 | case '2': |
| 8321 | raw_p = 0, type = PBM_GRAY; |
| 8322 | break; |
| 8323 | |
| 8324 | case '3': |
| 8325 | raw_p = 0, type = PBM_COLOR; |
| 8326 | break; |
| 8327 | |
| 8328 | case '4': |
| 8329 | raw_p = 1, type = PBM_MONO; |
| 8330 | break; |
| 8331 | |
| 8332 | case '5': |
| 8333 | raw_p = 1, type = PBM_GRAY; |
| 8334 | break; |
| 8335 | |
| 8336 | case '6': |
| 8337 | raw_p = 1, type = PBM_COLOR; |
| 8338 | break; |
| 8339 | |
| 8340 | default: |
| 8341 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
| 8342 | goto error; |
| 8343 | } |
| 8344 | |
| 8345 | /* Read width, height, maximum color-component. Characters |
| 8346 | starting with `#' up to the end of a line are ignored. */ |
| 8347 | width = pbm_scan_number (&p, end); |
| 8348 | height = pbm_scan_number (&p, end); |
| 8349 | |
| 8350 | if (type != PBM_MONO) |
| 8351 | { |
| 8352 | max_color_idx = pbm_scan_number (&p, end); |
| 8353 | if (raw_p && max_color_idx > 255) |
| 8354 | max_color_idx = 255; |
| 8355 | } |
| 8356 | |
| 8357 | if (width < 0 |
| 8358 | || height < 0 |
| 8359 | || (type != PBM_MONO && max_color_idx < 0)) |
| 8360 | goto error; |
| 8361 | |
| 8362 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
| 8363 | &ximg, &img->pixmap)) |
| 8364 | goto error; |
| 8365 | |
| 8366 | /* Initialize the color hash table. */ |
| 8367 | init_color_table (); |
| 8368 | |
| 8369 | if (type == PBM_MONO) |
| 8370 | { |
| 8371 | int c = 0, g; |
| 8372 | struct image_keyword fmt[PBM_LAST]; |
| 8373 | unsigned long fg = FRAME_FOREGROUND_PIXEL (f); |
| 8374 | unsigned long bg = FRAME_BACKGROUND_PIXEL (f); |
| 8375 | |
| 8376 | /* Parse the image specification. */ |
| 8377 | bcopy (pbm_format, fmt, sizeof fmt); |
| 8378 | parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); |
| 8379 | |
| 8380 | /* Get foreground and background colors, maybe allocate colors. */ |
| 8381 | if (fmt[PBM_FOREGROUND].count |
| 8382 | && STRINGP (fmt[PBM_FOREGROUND].value)) |
| 8383 | fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); |
| 8384 | if (fmt[PBM_BACKGROUND].count |
| 8385 | && STRINGP (fmt[PBM_BACKGROUND].value)) |
| 8386 | bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); |
| 8387 | |
| 8388 | for (y = 0; y < height; ++y) |
| 8389 | for (x = 0; x < width; ++x) |
| 8390 | { |
| 8391 | if (raw_p) |
| 8392 | { |
| 8393 | if ((x & 7) == 0) |
| 8394 | c = *p++; |
| 8395 | g = c & 0x80; |
| 8396 | c <<= 1; |
| 8397 | } |
| 8398 | else |
| 8399 | g = pbm_scan_number (&p, end); |
| 8400 | |
| 8401 | XPutPixel (ximg, x, y, g ? fg : bg); |
| 8402 | } |
| 8403 | } |
| 8404 | else |
| 8405 | { |
| 8406 | for (y = 0; y < height; ++y) |
| 8407 | for (x = 0; x < width; ++x) |
| 8408 | { |
| 8409 | int r, g, b; |
| 8410 | |
| 8411 | if (type == PBM_GRAY) |
| 8412 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
| 8413 | else if (raw_p) |
| 8414 | { |
| 8415 | r = *p++; |
| 8416 | g = *p++; |
| 8417 | b = *p++; |
| 8418 | } |
| 8419 | else |
| 8420 | { |
| 8421 | r = pbm_scan_number (&p, end); |
| 8422 | g = pbm_scan_number (&p, end); |
| 8423 | b = pbm_scan_number (&p, end); |
| 8424 | } |
| 8425 | |
| 8426 | if (r < 0 || g < 0 || b < 0) |
| 8427 | { |
| 8428 | xfree (ximg->data); |
| 8429 | ximg->data = NULL; |
| 8430 | XDestroyImage (ximg); |
| 8431 | image_error ("Invalid pixel value in image `%s'", |
| 8432 | img->spec, Qnil); |
| 8433 | goto error; |
| 8434 | } |
| 8435 | |
| 8436 | /* RGB values are now in the range 0..max_color_idx. |
| 8437 | Scale this to the range 0..0xffff supported by X. */ |
| 8438 | r = (double) r * 65535 / max_color_idx; |
| 8439 | g = (double) g * 65535 / max_color_idx; |
| 8440 | b = (double) b * 65535 / max_color_idx; |
| 8441 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); |
| 8442 | } |
| 8443 | } |
| 8444 | |
| 8445 | /* Store in IMG->colors the colors allocated for the image, and |
| 8446 | free the color table. */ |
| 8447 | img->colors = colors_in_color_table (&img->ncolors); |
| 8448 | free_color_table (); |
| 8449 | |
| 8450 | /* Put the image into a pixmap. */ |
| 8451 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 8452 | x_destroy_x_image (ximg); |
| 8453 | |
| 8454 | img->width = width; |
| 8455 | img->height = height; |
| 8456 | |
| 8457 | UNGCPRO; |
| 8458 | xfree (contents); |
| 8459 | return 1; |
| 8460 | } |
| 8461 | |
| 8462 | |
| 8463 | \f |
| 8464 | /*********************************************************************** |
| 8465 | PNG |
| 8466 | ***********************************************************************/ |
| 8467 | |
| 8468 | #if HAVE_PNG |
| 8469 | |
| 8470 | #include <png.h> |
| 8471 | |
| 8472 | /* Function prototypes. */ |
| 8473 | |
| 8474 | static int png_image_p P_ ((Lisp_Object object)); |
| 8475 | static int png_load P_ ((struct frame *f, struct image *img)); |
| 8476 | |
| 8477 | /* The symbol `png' identifying images of this type. */ |
| 8478 | |
| 8479 | Lisp_Object Qpng; |
| 8480 | |
| 8481 | /* Indices of image specification fields in png_format, below. */ |
| 8482 | |
| 8483 | enum png_keyword_index |
| 8484 | { |
| 8485 | PNG_TYPE, |
| 8486 | PNG_DATA, |
| 8487 | PNG_FILE, |
| 8488 | PNG_ASCENT, |
| 8489 | PNG_MARGIN, |
| 8490 | PNG_RELIEF, |
| 8491 | PNG_ALGORITHM, |
| 8492 | PNG_HEURISTIC_MASK, |
| 8493 | PNG_MASK, |
| 8494 | PNG_LAST |
| 8495 | }; |
| 8496 | |
| 8497 | /* Vector of image_keyword structures describing the format |
| 8498 | of valid user-defined image specifications. */ |
| 8499 | |
| 8500 | static struct image_keyword png_format[PNG_LAST] = |
| 8501 | { |
| 8502 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 8503 | {":data", IMAGE_STRING_VALUE, 0}, |
| 8504 | {":file", IMAGE_STRING_VALUE, 0}, |
| 8505 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 8506 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 8507 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 8508 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8509 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8510 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 8511 | }; |
| 8512 | |
| 8513 | /* Structure describing the image type `png'. */ |
| 8514 | |
| 8515 | static struct image_type png_type = |
| 8516 | { |
| 8517 | &Qpng, |
| 8518 | png_image_p, |
| 8519 | png_load, |
| 8520 | x_clear_image, |
| 8521 | NULL |
| 8522 | }; |
| 8523 | |
| 8524 | |
| 8525 | /* Return non-zero if OBJECT is a valid PNG image specification. */ |
| 8526 | |
| 8527 | static int |
| 8528 | png_image_p (object) |
| 8529 | Lisp_Object object; |
| 8530 | { |
| 8531 | struct image_keyword fmt[PNG_LAST]; |
| 8532 | bcopy (png_format, fmt, sizeof fmt); |
| 8533 | |
| 8534 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) |
| 8535 | return 0; |
| 8536 | |
| 8537 | /* Must specify either the :data or :file keyword. */ |
| 8538 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; |
| 8539 | } |
| 8540 | |
| 8541 | |
| 8542 | /* Error and warning handlers installed when the PNG library |
| 8543 | is initialized. */ |
| 8544 | |
| 8545 | static void |
| 8546 | my_png_error (png_ptr, msg) |
| 8547 | png_struct *png_ptr; |
| 8548 | char *msg; |
| 8549 | { |
| 8550 | xassert (png_ptr != NULL); |
| 8551 | image_error ("PNG error: %s", build_string (msg), Qnil); |
| 8552 | longjmp (png_ptr->jmpbuf, 1); |
| 8553 | } |
| 8554 | |
| 8555 | |
| 8556 | static void |
| 8557 | my_png_warning (png_ptr, msg) |
| 8558 | png_struct *png_ptr; |
| 8559 | char *msg; |
| 8560 | { |
| 8561 | xassert (png_ptr != NULL); |
| 8562 | image_error ("PNG warning: %s", build_string (msg), Qnil); |
| 8563 | } |
| 8564 | |
| 8565 | /* Memory source for PNG decoding. */ |
| 8566 | |
| 8567 | struct png_memory_storage |
| 8568 | { |
| 8569 | unsigned char *bytes; /* The data */ |
| 8570 | size_t len; /* How big is it? */ |
| 8571 | int index; /* Where are we? */ |
| 8572 | }; |
| 8573 | |
| 8574 | |
| 8575 | /* Function set as reader function when reading PNG image from memory. |
| 8576 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH |
| 8577 | bytes from the input to DATA. */ |
| 8578 | |
| 8579 | static void |
| 8580 | png_read_from_memory (png_ptr, data, length) |
| 8581 | png_structp png_ptr; |
| 8582 | png_bytep data; |
| 8583 | png_size_t length; |
| 8584 | { |
| 8585 | struct png_memory_storage *tbr |
| 8586 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); |
| 8587 | |
| 8588 | if (length > tbr->len - tbr->index) |
| 8589 | png_error (png_ptr, "Read error"); |
| 8590 | |
| 8591 | bcopy (tbr->bytes + tbr->index, data, length); |
| 8592 | tbr->index = tbr->index + length; |
| 8593 | } |
| 8594 | |
| 8595 | /* Load PNG image IMG for use on frame F. Value is non-zero if |
| 8596 | successful. */ |
| 8597 | |
| 8598 | static int |
| 8599 | png_load (f, img) |
| 8600 | struct frame *f; |
| 8601 | struct image *img; |
| 8602 | { |
| 8603 | Lisp_Object file, specified_file; |
| 8604 | Lisp_Object specified_data; |
| 8605 | int x, y, i; |
| 8606 | XImage *ximg, *mask_img = NULL; |
| 8607 | struct gcpro gcpro1; |
| 8608 | png_struct *png_ptr = NULL; |
| 8609 | png_info *info_ptr = NULL, *end_info = NULL; |
| 8610 | FILE *volatile fp = NULL; |
| 8611 | png_byte sig[8]; |
| 8612 | png_byte * volatile pixels = NULL; |
| 8613 | png_byte ** volatile rows = NULL; |
| 8614 | png_uint_32 width, height; |
| 8615 | int bit_depth, color_type, interlace_type; |
| 8616 | png_byte channels; |
| 8617 | png_uint_32 row_bytes; |
| 8618 | int transparent_p; |
| 8619 | char *gamma_str; |
| 8620 | double screen_gamma, image_gamma; |
| 8621 | int intent; |
| 8622 | struct png_memory_storage tbr; /* Data to be read */ |
| 8623 | |
| 8624 | /* Find out what file to load. */ |
| 8625 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 8626 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 8627 | file = Qnil; |
| 8628 | GCPRO1 (file); |
| 8629 | |
| 8630 | if (NILP (specified_data)) |
| 8631 | { |
| 8632 | file = x_find_image_file (specified_file); |
| 8633 | if (!STRINGP (file)) |
| 8634 | { |
| 8635 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 8636 | UNGCPRO; |
| 8637 | return 0; |
| 8638 | } |
| 8639 | |
| 8640 | /* Open the image file. */ |
| 8641 | fp = fopen (XSTRING (file)->data, "rb"); |
| 8642 | if (!fp) |
| 8643 | { |
| 8644 | image_error ("Cannot open image file `%s'", file, Qnil); |
| 8645 | UNGCPRO; |
| 8646 | fclose (fp); |
| 8647 | return 0; |
| 8648 | } |
| 8649 | |
| 8650 | /* Check PNG signature. */ |
| 8651 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig |
| 8652 | || !png_check_sig (sig, sizeof sig)) |
| 8653 | { |
| 8654 | image_error ("Not a PNG file: `%s'", file, Qnil); |
| 8655 | UNGCPRO; |
| 8656 | fclose (fp); |
| 8657 | return 0; |
| 8658 | } |
| 8659 | } |
| 8660 | else |
| 8661 | { |
| 8662 | /* Read from memory. */ |
| 8663 | tbr.bytes = XSTRING (specified_data)->data; |
| 8664 | tbr.len = STRING_BYTES (XSTRING (specified_data)); |
| 8665 | tbr.index = 0; |
| 8666 | |
| 8667 | /* Check PNG signature. */ |
| 8668 | if (tbr.len < sizeof sig |
| 8669 | || !png_check_sig (tbr.bytes, sizeof sig)) |
| 8670 | { |
| 8671 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
| 8672 | UNGCPRO; |
| 8673 | return 0; |
| 8674 | } |
| 8675 | |
| 8676 | /* Need to skip past the signature. */ |
| 8677 | tbr.bytes += sizeof (sig); |
| 8678 | } |
| 8679 | |
| 8680 | /* Initialize read and info structs for PNG lib. */ |
| 8681 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, |
| 8682 | my_png_error, my_png_warning); |
| 8683 | if (!png_ptr) |
| 8684 | { |
| 8685 | if (fp) fclose (fp); |
| 8686 | UNGCPRO; |
| 8687 | return 0; |
| 8688 | } |
| 8689 | |
| 8690 | info_ptr = png_create_info_struct (png_ptr); |
| 8691 | if (!info_ptr) |
| 8692 | { |
| 8693 | png_destroy_read_struct (&png_ptr, NULL, NULL); |
| 8694 | if (fp) fclose (fp); |
| 8695 | UNGCPRO; |
| 8696 | return 0; |
| 8697 | } |
| 8698 | |
| 8699 | end_info = png_create_info_struct (png_ptr); |
| 8700 | if (!end_info) |
| 8701 | { |
| 8702 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); |
| 8703 | if (fp) fclose (fp); |
| 8704 | UNGCPRO; |
| 8705 | return 0; |
| 8706 | } |
| 8707 | |
| 8708 | /* Set error jump-back. We come back here when the PNG library |
| 8709 | detects an error. */ |
| 8710 | if (setjmp (png_ptr->jmpbuf)) |
| 8711 | { |
| 8712 | error: |
| 8713 | if (png_ptr) |
| 8714 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 8715 | xfree (pixels); |
| 8716 | xfree (rows); |
| 8717 | if (fp) fclose (fp); |
| 8718 | UNGCPRO; |
| 8719 | return 0; |
| 8720 | } |
| 8721 | |
| 8722 | /* Read image info. */ |
| 8723 | if (!NILP (specified_data)) |
| 8724 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
| 8725 | else |
| 8726 | png_init_io (png_ptr, fp); |
| 8727 | |
| 8728 | png_set_sig_bytes (png_ptr, sizeof sig); |
| 8729 | png_read_info (png_ptr, info_ptr); |
| 8730 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, |
| 8731 | &interlace_type, NULL, NULL); |
| 8732 | |
| 8733 | /* If image contains simply transparency data, we prefer to |
| 8734 | construct a clipping mask. */ |
| 8735 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) |
| 8736 | transparent_p = 1; |
| 8737 | else |
| 8738 | transparent_p = 0; |
| 8739 | |
| 8740 | /* This function is easier to write if we only have to handle |
| 8741 | one data format: RGB or RGBA with 8 bits per channel. Let's |
| 8742 | transform other formats into that format. */ |
| 8743 | |
| 8744 | /* Strip more than 8 bits per channel. */ |
| 8745 | if (bit_depth == 16) |
| 8746 | png_set_strip_16 (png_ptr); |
| 8747 | |
| 8748 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel |
| 8749 | if available. */ |
| 8750 | png_set_expand (png_ptr); |
| 8751 | |
| 8752 | /* Convert grayscale images to RGB. */ |
| 8753 | if (color_type == PNG_COLOR_TYPE_GRAY |
| 8754 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) |
| 8755 | png_set_gray_to_rgb (png_ptr); |
| 8756 | |
| 8757 | /* The value 2.2 is a guess for PC monitors from PNG example.c. */ |
| 8758 | gamma_str = getenv ("SCREEN_GAMMA"); |
| 8759 | screen_gamma = gamma_str ? atof (gamma_str) : 2.2; |
| 8760 | |
| 8761 | /* Tell the PNG lib to handle gamma correction for us. */ |
| 8762 | |
| 8763 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
| 8764 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
| 8765 | /* There is a special chunk in the image specifying the gamma. */ |
| 8766 | png_set_sRGB (png_ptr, info_ptr, intent); |
| 8767 | else |
| 8768 | #endif |
| 8769 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) |
| 8770 | /* Image contains gamma information. */ |
| 8771 | png_set_gamma (png_ptr, screen_gamma, image_gamma); |
| 8772 | else |
| 8773 | /* Use a default of 0.5 for the image gamma. */ |
| 8774 | png_set_gamma (png_ptr, screen_gamma, 0.5); |
| 8775 | |
| 8776 | /* Handle alpha channel by combining the image with a background |
| 8777 | color. Do this only if a real alpha channel is supplied. For |
| 8778 | simple transparency, we prefer a clipping mask. */ |
| 8779 | if (!transparent_p) |
| 8780 | { |
| 8781 | png_color_16 *image_background; |
| 8782 | |
| 8783 | if (png_get_bKGD (png_ptr, info_ptr, &image_background)) |
| 8784 | /* Image contains a background color with which to |
| 8785 | combine the image. */ |
| 8786 | png_set_background (png_ptr, image_background, |
| 8787 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); |
| 8788 | else |
| 8789 | { |
| 8790 | /* Image does not contain a background color with which |
| 8791 | to combine the image data via an alpha channel. Use |
| 8792 | the frame's background instead. */ |
| 8793 | XColor color; |
| 8794 | Colormap cmap; |
| 8795 | png_color_16 frame_background; |
| 8796 | |
| 8797 | cmap = FRAME_X_COLORMAP (f); |
| 8798 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
| 8799 | x_query_color (f, &color); |
| 8800 | |
| 8801 | bzero (&frame_background, sizeof frame_background); |
| 8802 | frame_background.red = color.red; |
| 8803 | frame_background.green = color.green; |
| 8804 | frame_background.blue = color.blue; |
| 8805 | |
| 8806 | png_set_background (png_ptr, &frame_background, |
| 8807 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); |
| 8808 | } |
| 8809 | } |
| 8810 | |
| 8811 | /* Update info structure. */ |
| 8812 | png_read_update_info (png_ptr, info_ptr); |
| 8813 | |
| 8814 | /* Get number of channels. Valid values are 1 for grayscale images |
| 8815 | and images with a palette, 2 for grayscale images with transparency |
| 8816 | information (alpha channel), 3 for RGB images, and 4 for RGB |
| 8817 | images with alpha channel, i.e. RGBA. If conversions above were |
| 8818 | sufficient we should only have 3 or 4 channels here. */ |
| 8819 | channels = png_get_channels (png_ptr, info_ptr); |
| 8820 | xassert (channels == 3 || channels == 4); |
| 8821 | |
| 8822 | /* Number of bytes needed for one row of the image. */ |
| 8823 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); |
| 8824 | |
| 8825 | /* Allocate memory for the image. */ |
| 8826 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); |
| 8827 | rows = (png_byte **) xmalloc (height * sizeof *rows); |
| 8828 | for (i = 0; i < height; ++i) |
| 8829 | rows[i] = pixels + i * row_bytes; |
| 8830 | |
| 8831 | /* Read the entire image. */ |
| 8832 | png_read_image (png_ptr, rows); |
| 8833 | png_read_end (png_ptr, info_ptr); |
| 8834 | if (fp) |
| 8835 | { |
| 8836 | fclose (fp); |
| 8837 | fp = NULL; |
| 8838 | } |
| 8839 | |
| 8840 | /* Create the X image and pixmap. */ |
| 8841 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
| 8842 | &img->pixmap)) |
| 8843 | goto error; |
| 8844 | |
| 8845 | /* Create an image and pixmap serving as mask if the PNG image |
| 8846 | contains an alpha channel. */ |
| 8847 | if (channels == 4 |
| 8848 | && !transparent_p |
| 8849 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
| 8850 | &mask_img, &img->mask)) |
| 8851 | { |
| 8852 | x_destroy_x_image (ximg); |
| 8853 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
| 8854 | img->pixmap = None; |
| 8855 | goto error; |
| 8856 | } |
| 8857 | |
| 8858 | /* Fill the X image and mask from PNG data. */ |
| 8859 | init_color_table (); |
| 8860 | |
| 8861 | for (y = 0; y < height; ++y) |
| 8862 | { |
| 8863 | png_byte *p = rows[y]; |
| 8864 | |
| 8865 | for (x = 0; x < width; ++x) |
| 8866 | { |
| 8867 | unsigned r, g, b; |
| 8868 | |
| 8869 | r = *p++ << 8; |
| 8870 | g = *p++ << 8; |
| 8871 | b = *p++ << 8; |
| 8872 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); |
| 8873 | |
| 8874 | /* An alpha channel, aka mask channel, associates variable |
| 8875 | transparency with an image. Where other image formats |
| 8876 | support binary transparency---fully transparent or fully |
| 8877 | opaque---PNG allows up to 254 levels of partial transparency. |
| 8878 | The PNG library implements partial transparency by combining |
| 8879 | the image with a specified background color. |
| 8880 | |
| 8881 | I'm not sure how to handle this here nicely: because the |
| 8882 | background on which the image is displayed may change, for |
| 8883 | real alpha channel support, it would be necessary to create |
| 8884 | a new image for each possible background. |
| 8885 | |
| 8886 | What I'm doing now is that a mask is created if we have |
| 8887 | boolean transparency information. Otherwise I'm using |
| 8888 | the frame's background color to combine the image with. */ |
| 8889 | |
| 8890 | if (channels == 4) |
| 8891 | { |
| 8892 | if (mask_img) |
| 8893 | XPutPixel (mask_img, x, y, *p > 0); |
| 8894 | ++p; |
| 8895 | } |
| 8896 | } |
| 8897 | } |
| 8898 | |
| 8899 | /* Remember colors allocated for this image. */ |
| 8900 | img->colors = colors_in_color_table (&img->ncolors); |
| 8901 | free_color_table (); |
| 8902 | |
| 8903 | /* Clean up. */ |
| 8904 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 8905 | xfree (rows); |
| 8906 | xfree (pixels); |
| 8907 | |
| 8908 | img->width = width; |
| 8909 | img->height = height; |
| 8910 | |
| 8911 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 8912 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 8913 | x_destroy_x_image (ximg); |
| 8914 | |
| 8915 | /* Same for the mask. */ |
| 8916 | if (mask_img) |
| 8917 | { |
| 8918 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
| 8919 | x_destroy_x_image (mask_img); |
| 8920 | } |
| 8921 | |
| 8922 | UNGCPRO; |
| 8923 | return 1; |
| 8924 | } |
| 8925 | |
| 8926 | #endif /* HAVE_PNG != 0 */ |
| 8927 | |
| 8928 | |
| 8929 | \f |
| 8930 | /*********************************************************************** |
| 8931 | JPEG |
| 8932 | ***********************************************************************/ |
| 8933 | |
| 8934 | #if HAVE_JPEG |
| 8935 | |
| 8936 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
| 8937 | jconfig.h. */ |
| 8938 | #ifdef HAVE_STDLIB_H |
| 8939 | #define HAVE_STDLIB_H_1 |
| 8940 | #undef HAVE_STDLIB_H |
| 8941 | #endif /* HAVE_STLIB_H */ |
| 8942 | |
| 8943 | #include <jpeglib.h> |
| 8944 | #include <jerror.h> |
| 8945 | #include <setjmp.h> |
| 8946 | |
| 8947 | #ifdef HAVE_STLIB_H_1 |
| 8948 | #define HAVE_STDLIB_H 1 |
| 8949 | #endif |
| 8950 | |
| 8951 | static int jpeg_image_p P_ ((Lisp_Object object)); |
| 8952 | static int jpeg_load P_ ((struct frame *f, struct image *img)); |
| 8953 | |
| 8954 | /* The symbol `jpeg' identifying images of this type. */ |
| 8955 | |
| 8956 | Lisp_Object Qjpeg; |
| 8957 | |
| 8958 | /* Indices of image specification fields in gs_format, below. */ |
| 8959 | |
| 8960 | enum jpeg_keyword_index |
| 8961 | { |
| 8962 | JPEG_TYPE, |
| 8963 | JPEG_DATA, |
| 8964 | JPEG_FILE, |
| 8965 | JPEG_ASCENT, |
| 8966 | JPEG_MARGIN, |
| 8967 | JPEG_RELIEF, |
| 8968 | JPEG_ALGORITHM, |
| 8969 | JPEG_HEURISTIC_MASK, |
| 8970 | JPEG_MASK, |
| 8971 | JPEG_LAST |
| 8972 | }; |
| 8973 | |
| 8974 | /* Vector of image_keyword structures describing the format |
| 8975 | of valid user-defined image specifications. */ |
| 8976 | |
| 8977 | static struct image_keyword jpeg_format[JPEG_LAST] = |
| 8978 | { |
| 8979 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 8980 | {":data", IMAGE_STRING_VALUE, 0}, |
| 8981 | {":file", IMAGE_STRING_VALUE, 0}, |
| 8982 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 8983 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 8984 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 8985 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8986 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 8987 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 8988 | }; |
| 8989 | |
| 8990 | /* Structure describing the image type `jpeg'. */ |
| 8991 | |
| 8992 | static struct image_type jpeg_type = |
| 8993 | { |
| 8994 | &Qjpeg, |
| 8995 | jpeg_image_p, |
| 8996 | jpeg_load, |
| 8997 | x_clear_image, |
| 8998 | NULL |
| 8999 | }; |
| 9000 | |
| 9001 | |
| 9002 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ |
| 9003 | |
| 9004 | static int |
| 9005 | jpeg_image_p (object) |
| 9006 | Lisp_Object object; |
| 9007 | { |
| 9008 | struct image_keyword fmt[JPEG_LAST]; |
| 9009 | |
| 9010 | bcopy (jpeg_format, fmt, sizeof fmt); |
| 9011 | |
| 9012 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) |
| 9013 | return 0; |
| 9014 | |
| 9015 | /* Must specify either the :data or :file keyword. */ |
| 9016 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; |
| 9017 | } |
| 9018 | |
| 9019 | |
| 9020 | struct my_jpeg_error_mgr |
| 9021 | { |
| 9022 | struct jpeg_error_mgr pub; |
| 9023 | jmp_buf setjmp_buffer; |
| 9024 | }; |
| 9025 | |
| 9026 | |
| 9027 | static void |
| 9028 | my_error_exit (cinfo) |
| 9029 | j_common_ptr cinfo; |
| 9030 | { |
| 9031 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; |
| 9032 | longjmp (mgr->setjmp_buffer, 1); |
| 9033 | } |
| 9034 | |
| 9035 | |
| 9036 | /* Init source method for JPEG data source manager. Called by |
| 9037 | jpeg_read_header() before any data is actually read. See |
| 9038 | libjpeg.doc from the JPEG lib distribution. */ |
| 9039 | |
| 9040 | static void |
| 9041 | our_init_source (cinfo) |
| 9042 | j_decompress_ptr cinfo; |
| 9043 | { |
| 9044 | } |
| 9045 | |
| 9046 | |
| 9047 | /* Fill input buffer method for JPEG data source manager. Called |
| 9048 | whenever more data is needed. We read the whole image in one step, |
| 9049 | so this only adds a fake end of input marker at the end. */ |
| 9050 | |
| 9051 | static boolean |
| 9052 | our_fill_input_buffer (cinfo) |
| 9053 | j_decompress_ptr cinfo; |
| 9054 | { |
| 9055 | /* Insert a fake EOI marker. */ |
| 9056 | struct jpeg_source_mgr *src = cinfo->src; |
| 9057 | static JOCTET buffer[2]; |
| 9058 | |
| 9059 | buffer[0] = (JOCTET) 0xFF; |
| 9060 | buffer[1] = (JOCTET) JPEG_EOI; |
| 9061 | |
| 9062 | src->next_input_byte = buffer; |
| 9063 | src->bytes_in_buffer = 2; |
| 9064 | return TRUE; |
| 9065 | } |
| 9066 | |
| 9067 | |
| 9068 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src |
| 9069 | is the JPEG data source manager. */ |
| 9070 | |
| 9071 | static void |
| 9072 | our_skip_input_data (cinfo, num_bytes) |
| 9073 | j_decompress_ptr cinfo; |
| 9074 | long num_bytes; |
| 9075 | { |
| 9076 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; |
| 9077 | |
| 9078 | if (src) |
| 9079 | { |
| 9080 | if (num_bytes > src->bytes_in_buffer) |
| 9081 | ERREXIT (cinfo, JERR_INPUT_EOF); |
| 9082 | |
| 9083 | src->bytes_in_buffer -= num_bytes; |
| 9084 | src->next_input_byte += num_bytes; |
| 9085 | } |
| 9086 | } |
| 9087 | |
| 9088 | |
| 9089 | /* Method to terminate data source. Called by |
| 9090 | jpeg_finish_decompress() after all data has been processed. */ |
| 9091 | |
| 9092 | static void |
| 9093 | our_term_source (cinfo) |
| 9094 | j_decompress_ptr cinfo; |
| 9095 | { |
| 9096 | } |
| 9097 | |
| 9098 | |
| 9099 | /* Set up the JPEG lib for reading an image from DATA which contains |
| 9100 | LEN bytes. CINFO is the decompression info structure created for |
| 9101 | reading the image. */ |
| 9102 | |
| 9103 | static void |
| 9104 | jpeg_memory_src (cinfo, data, len) |
| 9105 | j_decompress_ptr cinfo; |
| 9106 | JOCTET *data; |
| 9107 | unsigned int len; |
| 9108 | { |
| 9109 | struct jpeg_source_mgr *src; |
| 9110 | |
| 9111 | if (cinfo->src == NULL) |
| 9112 | { |
| 9113 | /* First time for this JPEG object? */ |
| 9114 | cinfo->src = (struct jpeg_source_mgr *) |
| 9115 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, |
| 9116 | sizeof (struct jpeg_source_mgr)); |
| 9117 | src = (struct jpeg_source_mgr *) cinfo->src; |
| 9118 | src->next_input_byte = data; |
| 9119 | } |
| 9120 | |
| 9121 | src = (struct jpeg_source_mgr *) cinfo->src; |
| 9122 | src->init_source = our_init_source; |
| 9123 | src->fill_input_buffer = our_fill_input_buffer; |
| 9124 | src->skip_input_data = our_skip_input_data; |
| 9125 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ |
| 9126 | src->term_source = our_term_source; |
| 9127 | src->bytes_in_buffer = len; |
| 9128 | src->next_input_byte = data; |
| 9129 | } |
| 9130 | |
| 9131 | |
| 9132 | /* Load image IMG for use on frame F. Patterned after example.c |
| 9133 | from the JPEG lib. */ |
| 9134 | |
| 9135 | static int |
| 9136 | jpeg_load (f, img) |
| 9137 | struct frame *f; |
| 9138 | struct image *img; |
| 9139 | { |
| 9140 | struct jpeg_decompress_struct cinfo; |
| 9141 | struct my_jpeg_error_mgr mgr; |
| 9142 | Lisp_Object file, specified_file; |
| 9143 | Lisp_Object specified_data; |
| 9144 | FILE * volatile fp = NULL; |
| 9145 | JSAMPARRAY buffer; |
| 9146 | int row_stride, x, y; |
| 9147 | XImage *ximg = NULL; |
| 9148 | int rc; |
| 9149 | unsigned long *colors; |
| 9150 | int width, height; |
| 9151 | struct gcpro gcpro1; |
| 9152 | |
| 9153 | /* Open the JPEG file. */ |
| 9154 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 9155 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 9156 | file = Qnil; |
| 9157 | GCPRO1 (file); |
| 9158 | |
| 9159 | if (NILP (specified_data)) |
| 9160 | { |
| 9161 | file = x_find_image_file (specified_file); |
| 9162 | if (!STRINGP (file)) |
| 9163 | { |
| 9164 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 9165 | UNGCPRO; |
| 9166 | return 0; |
| 9167 | } |
| 9168 | |
| 9169 | fp = fopen (XSTRING (file)->data, "r"); |
| 9170 | if (fp == NULL) |
| 9171 | { |
| 9172 | image_error ("Cannot open `%s'", file, Qnil); |
| 9173 | UNGCPRO; |
| 9174 | return 0; |
| 9175 | } |
| 9176 | } |
| 9177 | |
| 9178 | /* Customize libjpeg's error handling to call my_error_exit when an |
| 9179 | error is detected. This function will perform a longjmp. */ |
| 9180 | cinfo.err = jpeg_std_error (&mgr.pub); |
| 9181 | mgr.pub.error_exit = my_error_exit; |
| 9182 | |
| 9183 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) |
| 9184 | { |
| 9185 | if (rc == 1) |
| 9186 | { |
| 9187 | /* Called from my_error_exit. Display a JPEG error. */ |
| 9188 | char buffer[JMSG_LENGTH_MAX]; |
| 9189 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); |
| 9190 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
| 9191 | build_string (buffer)); |
| 9192 | } |
| 9193 | |
| 9194 | /* Close the input file and destroy the JPEG object. */ |
| 9195 | if (fp) |
| 9196 | fclose ((FILE *) fp); |
| 9197 | jpeg_destroy_decompress (&cinfo); |
| 9198 | |
| 9199 | /* If we already have an XImage, free that. */ |
| 9200 | x_destroy_x_image (ximg); |
| 9201 | |
| 9202 | /* Free pixmap and colors. */ |
| 9203 | x_clear_image (f, img); |
| 9204 | |
| 9205 | UNGCPRO; |
| 9206 | return 0; |
| 9207 | } |
| 9208 | |
| 9209 | /* Create the JPEG decompression object. Let it read from fp. |
| 9210 | Read the JPEG image header. */ |
| 9211 | jpeg_create_decompress (&cinfo); |
| 9212 | |
| 9213 | if (NILP (specified_data)) |
| 9214 | jpeg_stdio_src (&cinfo, (FILE *) fp); |
| 9215 | else |
| 9216 | jpeg_memory_src (&cinfo, XSTRING (specified_data)->data, |
| 9217 | STRING_BYTES (XSTRING (specified_data))); |
| 9218 | |
| 9219 | jpeg_read_header (&cinfo, TRUE); |
| 9220 | |
| 9221 | /* Customize decompression so that color quantization will be used. |
| 9222 | Start decompression. */ |
| 9223 | cinfo.quantize_colors = TRUE; |
| 9224 | jpeg_start_decompress (&cinfo); |
| 9225 | width = img->width = cinfo.output_width; |
| 9226 | height = img->height = cinfo.output_height; |
| 9227 | |
| 9228 | /* Create X image and pixmap. */ |
| 9229 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
| 9230 | longjmp (mgr.setjmp_buffer, 2); |
| 9231 | |
| 9232 | /* Allocate colors. When color quantization is used, |
| 9233 | cinfo.actual_number_of_colors has been set with the number of |
| 9234 | colors generated, and cinfo.colormap is a two-dimensional array |
| 9235 | of color indices in the range 0..cinfo.actual_number_of_colors. |
| 9236 | No more than 255 colors will be generated. */ |
| 9237 | { |
| 9238 | int i, ir, ig, ib; |
| 9239 | |
| 9240 | if (cinfo.out_color_components > 2) |
| 9241 | ir = 0, ig = 1, ib = 2; |
| 9242 | else if (cinfo.out_color_components > 1) |
| 9243 | ir = 0, ig = 1, ib = 0; |
| 9244 | else |
| 9245 | ir = 0, ig = 0, ib = 0; |
| 9246 | |
| 9247 | /* Use the color table mechanism because it handles colors that |
| 9248 | cannot be allocated nicely. Such colors will be replaced with |
| 9249 | a default color, and we don't have to care about which colors |
| 9250 | can be freed safely, and which can't. */ |
| 9251 | init_color_table (); |
| 9252 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors |
| 9253 | * sizeof *colors); |
| 9254 | |
| 9255 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
| 9256 | { |
| 9257 | /* Multiply RGB values with 255 because X expects RGB values |
| 9258 | in the range 0..0xffff. */ |
| 9259 | int r = cinfo.colormap[ir][i] << 8; |
| 9260 | int g = cinfo.colormap[ig][i] << 8; |
| 9261 | int b = cinfo.colormap[ib][i] << 8; |
| 9262 | colors[i] = lookup_rgb_color (f, r, g, b); |
| 9263 | } |
| 9264 | |
| 9265 | /* Remember those colors actually allocated. */ |
| 9266 | img->colors = colors_in_color_table (&img->ncolors); |
| 9267 | free_color_table (); |
| 9268 | } |
| 9269 | |
| 9270 | /* Read pixels. */ |
| 9271 | row_stride = width * cinfo.output_components; |
| 9272 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, |
| 9273 | row_stride, 1); |
| 9274 | for (y = 0; y < height; ++y) |
| 9275 | { |
| 9276 | jpeg_read_scanlines (&cinfo, buffer, 1); |
| 9277 | for (x = 0; x < cinfo.output_width; ++x) |
| 9278 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); |
| 9279 | } |
| 9280 | |
| 9281 | /* Clean up. */ |
| 9282 | jpeg_finish_decompress (&cinfo); |
| 9283 | jpeg_destroy_decompress (&cinfo); |
| 9284 | if (fp) |
| 9285 | fclose ((FILE *) fp); |
| 9286 | |
| 9287 | /* Put the image into the pixmap. */ |
| 9288 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 9289 | x_destroy_x_image (ximg); |
| 9290 | UNGCPRO; |
| 9291 | return 1; |
| 9292 | } |
| 9293 | |
| 9294 | #endif /* HAVE_JPEG */ |
| 9295 | |
| 9296 | |
| 9297 | \f |
| 9298 | /*********************************************************************** |
| 9299 | TIFF |
| 9300 | ***********************************************************************/ |
| 9301 | |
| 9302 | #if HAVE_TIFF |
| 9303 | |
| 9304 | #include <tiffio.h> |
| 9305 | |
| 9306 | static int tiff_image_p P_ ((Lisp_Object object)); |
| 9307 | static int tiff_load P_ ((struct frame *f, struct image *img)); |
| 9308 | |
| 9309 | /* The symbol `tiff' identifying images of this type. */ |
| 9310 | |
| 9311 | Lisp_Object Qtiff; |
| 9312 | |
| 9313 | /* Indices of image specification fields in tiff_format, below. */ |
| 9314 | |
| 9315 | enum tiff_keyword_index |
| 9316 | { |
| 9317 | TIFF_TYPE, |
| 9318 | TIFF_DATA, |
| 9319 | TIFF_FILE, |
| 9320 | TIFF_ASCENT, |
| 9321 | TIFF_MARGIN, |
| 9322 | TIFF_RELIEF, |
| 9323 | TIFF_ALGORITHM, |
| 9324 | TIFF_HEURISTIC_MASK, |
| 9325 | TIFF_MASK, |
| 9326 | TIFF_LAST |
| 9327 | }; |
| 9328 | |
| 9329 | /* Vector of image_keyword structures describing the format |
| 9330 | of valid user-defined image specifications. */ |
| 9331 | |
| 9332 | static struct image_keyword tiff_format[TIFF_LAST] = |
| 9333 | { |
| 9334 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 9335 | {":data", IMAGE_STRING_VALUE, 0}, |
| 9336 | {":file", IMAGE_STRING_VALUE, 0}, |
| 9337 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 9338 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 9339 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 9340 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9341 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9342 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 9343 | }; |
| 9344 | |
| 9345 | /* Structure describing the image type `tiff'. */ |
| 9346 | |
| 9347 | static struct image_type tiff_type = |
| 9348 | { |
| 9349 | &Qtiff, |
| 9350 | tiff_image_p, |
| 9351 | tiff_load, |
| 9352 | x_clear_image, |
| 9353 | NULL |
| 9354 | }; |
| 9355 | |
| 9356 | |
| 9357 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ |
| 9358 | |
| 9359 | static int |
| 9360 | tiff_image_p (object) |
| 9361 | Lisp_Object object; |
| 9362 | { |
| 9363 | struct image_keyword fmt[TIFF_LAST]; |
| 9364 | bcopy (tiff_format, fmt, sizeof fmt); |
| 9365 | |
| 9366 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) |
| 9367 | return 0; |
| 9368 | |
| 9369 | /* Must specify either the :data or :file keyword. */ |
| 9370 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; |
| 9371 | } |
| 9372 | |
| 9373 | |
| 9374 | /* Reading from a memory buffer for TIFF images Based on the PNG |
| 9375 | memory source, but we have to provide a lot of extra functions. |
| 9376 | Blah. |
| 9377 | |
| 9378 | We really only need to implement read and seek, but I am not |
| 9379 | convinced that the TIFF library is smart enough not to destroy |
| 9380 | itself if we only hand it the function pointers we need to |
| 9381 | override. */ |
| 9382 | |
| 9383 | typedef struct |
| 9384 | { |
| 9385 | unsigned char *bytes; |
| 9386 | size_t len; |
| 9387 | int index; |
| 9388 | } |
| 9389 | tiff_memory_source; |
| 9390 | |
| 9391 | |
| 9392 | static size_t |
| 9393 | tiff_read_from_memory (data, buf, size) |
| 9394 | thandle_t data; |
| 9395 | tdata_t buf; |
| 9396 | tsize_t size; |
| 9397 | { |
| 9398 | tiff_memory_source *src = (tiff_memory_source *) data; |
| 9399 | |
| 9400 | if (size > src->len - src->index) |
| 9401 | return (size_t) -1; |
| 9402 | bcopy (src->bytes + src->index, buf, size); |
| 9403 | src->index += size; |
| 9404 | return size; |
| 9405 | } |
| 9406 | |
| 9407 | |
| 9408 | static size_t |
| 9409 | tiff_write_from_memory (data, buf, size) |
| 9410 | thandle_t data; |
| 9411 | tdata_t buf; |
| 9412 | tsize_t size; |
| 9413 | { |
| 9414 | return (size_t) -1; |
| 9415 | } |
| 9416 | |
| 9417 | |
| 9418 | static toff_t |
| 9419 | tiff_seek_in_memory (data, off, whence) |
| 9420 | thandle_t data; |
| 9421 | toff_t off; |
| 9422 | int whence; |
| 9423 | { |
| 9424 | tiff_memory_source *src = (tiff_memory_source *) data; |
| 9425 | int idx; |
| 9426 | |
| 9427 | switch (whence) |
| 9428 | { |
| 9429 | case SEEK_SET: /* Go from beginning of source. */ |
| 9430 | idx = off; |
| 9431 | break; |
| 9432 | |
| 9433 | case SEEK_END: /* Go from end of source. */ |
| 9434 | idx = src->len + off; |
| 9435 | break; |
| 9436 | |
| 9437 | case SEEK_CUR: /* Go from current position. */ |
| 9438 | idx = src->index + off; |
| 9439 | break; |
| 9440 | |
| 9441 | default: /* Invalid `whence'. */ |
| 9442 | return -1; |
| 9443 | } |
| 9444 | |
| 9445 | if (idx > src->len || idx < 0) |
| 9446 | return -1; |
| 9447 | |
| 9448 | src->index = idx; |
| 9449 | return src->index; |
| 9450 | } |
| 9451 | |
| 9452 | |
| 9453 | static int |
| 9454 | tiff_close_memory (data) |
| 9455 | thandle_t data; |
| 9456 | { |
| 9457 | /* NOOP */ |
| 9458 | return 0; |
| 9459 | } |
| 9460 | |
| 9461 | |
| 9462 | static int |
| 9463 | tiff_mmap_memory (data, pbase, psize) |
| 9464 | thandle_t data; |
| 9465 | tdata_t *pbase; |
| 9466 | toff_t *psize; |
| 9467 | { |
| 9468 | /* It is already _IN_ memory. */ |
| 9469 | return 0; |
| 9470 | } |
| 9471 | |
| 9472 | |
| 9473 | static void |
| 9474 | tiff_unmap_memory (data, base, size) |
| 9475 | thandle_t data; |
| 9476 | tdata_t base; |
| 9477 | toff_t size; |
| 9478 | { |
| 9479 | /* We don't need to do this. */ |
| 9480 | } |
| 9481 | |
| 9482 | |
| 9483 | static toff_t |
| 9484 | tiff_size_of_memory (data) |
| 9485 | thandle_t data; |
| 9486 | { |
| 9487 | return ((tiff_memory_source *) data)->len; |
| 9488 | } |
| 9489 | |
| 9490 | |
| 9491 | static void |
| 9492 | tiff_error_handler (title, format, ap) |
| 9493 | const char *title, *format; |
| 9494 | va_list ap; |
| 9495 | { |
| 9496 | char buf[512]; |
| 9497 | int len; |
| 9498 | |
| 9499 | len = sprintf (buf, "TIFF error: %s ", title); |
| 9500 | vsprintf (buf + len, format, ap); |
| 9501 | add_to_log (buf, Qnil, Qnil); |
| 9502 | } |
| 9503 | |
| 9504 | |
| 9505 | static void |
| 9506 | tiff_warning_handler (title, format, ap) |
| 9507 | const char *title, *format; |
| 9508 | va_list ap; |
| 9509 | { |
| 9510 | char buf[512]; |
| 9511 | int len; |
| 9512 | |
| 9513 | len = sprintf (buf, "TIFF warning: %s ", title); |
| 9514 | vsprintf (buf + len, format, ap); |
| 9515 | add_to_log (buf, Qnil, Qnil); |
| 9516 | } |
| 9517 | |
| 9518 | |
| 9519 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
| 9520 | successful. */ |
| 9521 | |
| 9522 | static int |
| 9523 | tiff_load (f, img) |
| 9524 | struct frame *f; |
| 9525 | struct image *img; |
| 9526 | { |
| 9527 | Lisp_Object file, specified_file; |
| 9528 | Lisp_Object specified_data; |
| 9529 | TIFF *tiff; |
| 9530 | int width, height, x, y; |
| 9531 | uint32 *buf; |
| 9532 | int rc; |
| 9533 | XImage *ximg; |
| 9534 | struct gcpro gcpro1; |
| 9535 | tiff_memory_source memsrc; |
| 9536 | |
| 9537 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 9538 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 9539 | file = Qnil; |
| 9540 | GCPRO1 (file); |
| 9541 | |
| 9542 | TIFFSetErrorHandler (tiff_error_handler); |
| 9543 | TIFFSetWarningHandler (tiff_warning_handler); |
| 9544 | |
| 9545 | if (NILP (specified_data)) |
| 9546 | { |
| 9547 | /* Read from a file */ |
| 9548 | file = x_find_image_file (specified_file); |
| 9549 | if (!STRINGP (file)) |
| 9550 | { |
| 9551 | image_error ("Cannot find image file `%s'", file, Qnil); |
| 9552 | UNGCPRO; |
| 9553 | return 0; |
| 9554 | } |
| 9555 | |
| 9556 | /* Try to open the image file. */ |
| 9557 | tiff = TIFFOpen (XSTRING (file)->data, "r"); |
| 9558 | if (tiff == NULL) |
| 9559 | { |
| 9560 | image_error ("Cannot open `%s'", file, Qnil); |
| 9561 | UNGCPRO; |
| 9562 | return 0; |
| 9563 | } |
| 9564 | } |
| 9565 | else |
| 9566 | { |
| 9567 | /* Memory source! */ |
| 9568 | memsrc.bytes = XSTRING (specified_data)->data; |
| 9569 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); |
| 9570 | memsrc.index = 0; |
| 9571 | |
| 9572 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, |
| 9573 | (TIFFReadWriteProc) tiff_read_from_memory, |
| 9574 | (TIFFReadWriteProc) tiff_write_from_memory, |
| 9575 | tiff_seek_in_memory, |
| 9576 | tiff_close_memory, |
| 9577 | tiff_size_of_memory, |
| 9578 | tiff_mmap_memory, |
| 9579 | tiff_unmap_memory); |
| 9580 | |
| 9581 | if (!tiff) |
| 9582 | { |
| 9583 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
| 9584 | UNGCPRO; |
| 9585 | return 0; |
| 9586 | } |
| 9587 | } |
| 9588 | |
| 9589 | /* Get width and height of the image, and allocate a raster buffer |
| 9590 | of width x height 32-bit values. */ |
| 9591 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); |
| 9592 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); |
| 9593 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); |
| 9594 | |
| 9595 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); |
| 9596 | TIFFClose (tiff); |
| 9597 | if (!rc) |
| 9598 | { |
| 9599 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
| 9600 | xfree (buf); |
| 9601 | UNGCPRO; |
| 9602 | return 0; |
| 9603 | } |
| 9604 | |
| 9605 | /* Create the X image and pixmap. */ |
| 9606 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
| 9607 | { |
| 9608 | xfree (buf); |
| 9609 | UNGCPRO; |
| 9610 | return 0; |
| 9611 | } |
| 9612 | |
| 9613 | /* Initialize the color table. */ |
| 9614 | init_color_table (); |
| 9615 | |
| 9616 | /* Process the pixel raster. Origin is in the lower-left corner. */ |
| 9617 | for (y = 0; y < height; ++y) |
| 9618 | { |
| 9619 | uint32 *row = buf + y * width; |
| 9620 | |
| 9621 | for (x = 0; x < width; ++x) |
| 9622 | { |
| 9623 | uint32 abgr = row[x]; |
| 9624 | int r = TIFFGetR (abgr) << 8; |
| 9625 | int g = TIFFGetG (abgr) << 8; |
| 9626 | int b = TIFFGetB (abgr) << 8; |
| 9627 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); |
| 9628 | } |
| 9629 | } |
| 9630 | |
| 9631 | /* Remember the colors allocated for the image. Free the color table. */ |
| 9632 | img->colors = colors_in_color_table (&img->ncolors); |
| 9633 | free_color_table (); |
| 9634 | |
| 9635 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 9636 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 9637 | x_destroy_x_image (ximg); |
| 9638 | xfree (buf); |
| 9639 | |
| 9640 | img->width = width; |
| 9641 | img->height = height; |
| 9642 | |
| 9643 | UNGCPRO; |
| 9644 | return 1; |
| 9645 | } |
| 9646 | |
| 9647 | #endif /* HAVE_TIFF != 0 */ |
| 9648 | |
| 9649 | |
| 9650 | \f |
| 9651 | /*********************************************************************** |
| 9652 | GIF |
| 9653 | ***********************************************************************/ |
| 9654 | |
| 9655 | #if HAVE_GIF |
| 9656 | |
| 9657 | #include <gif_lib.h> |
| 9658 | |
| 9659 | static int gif_image_p P_ ((Lisp_Object object)); |
| 9660 | static int gif_load P_ ((struct frame *f, struct image *img)); |
| 9661 | |
| 9662 | /* The symbol `gif' identifying images of this type. */ |
| 9663 | |
| 9664 | Lisp_Object Qgif; |
| 9665 | |
| 9666 | /* Indices of image specification fields in gif_format, below. */ |
| 9667 | |
| 9668 | enum gif_keyword_index |
| 9669 | { |
| 9670 | GIF_TYPE, |
| 9671 | GIF_DATA, |
| 9672 | GIF_FILE, |
| 9673 | GIF_ASCENT, |
| 9674 | GIF_MARGIN, |
| 9675 | GIF_RELIEF, |
| 9676 | GIF_ALGORITHM, |
| 9677 | GIF_HEURISTIC_MASK, |
| 9678 | GIF_MASK, |
| 9679 | GIF_IMAGE, |
| 9680 | GIF_LAST |
| 9681 | }; |
| 9682 | |
| 9683 | /* Vector of image_keyword structures describing the format |
| 9684 | of valid user-defined image specifications. */ |
| 9685 | |
| 9686 | static struct image_keyword gif_format[GIF_LAST] = |
| 9687 | { |
| 9688 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 9689 | {":data", IMAGE_STRING_VALUE, 0}, |
| 9690 | {":file", IMAGE_STRING_VALUE, 0}, |
| 9691 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 9692 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 9693 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 9694 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9695 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9696 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 9697 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0} |
| 9698 | }; |
| 9699 | |
| 9700 | /* Structure describing the image type `gif'. */ |
| 9701 | |
| 9702 | static struct image_type gif_type = |
| 9703 | { |
| 9704 | &Qgif, |
| 9705 | gif_image_p, |
| 9706 | gif_load, |
| 9707 | x_clear_image, |
| 9708 | NULL |
| 9709 | }; |
| 9710 | |
| 9711 | |
| 9712 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
| 9713 | |
| 9714 | static int |
| 9715 | gif_image_p (object) |
| 9716 | Lisp_Object object; |
| 9717 | { |
| 9718 | struct image_keyword fmt[GIF_LAST]; |
| 9719 | bcopy (gif_format, fmt, sizeof fmt); |
| 9720 | |
| 9721 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) |
| 9722 | return 0; |
| 9723 | |
| 9724 | /* Must specify either the :data or :file keyword. */ |
| 9725 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; |
| 9726 | } |
| 9727 | |
| 9728 | |
| 9729 | /* Reading a GIF image from memory |
| 9730 | Based on the PNG memory stuff to a certain extent. */ |
| 9731 | |
| 9732 | typedef struct |
| 9733 | { |
| 9734 | unsigned char *bytes; |
| 9735 | size_t len; |
| 9736 | int index; |
| 9737 | } |
| 9738 | gif_memory_source; |
| 9739 | |
| 9740 | |
| 9741 | /* Make the current memory source available to gif_read_from_memory. |
| 9742 | It's done this way because not all versions of libungif support |
| 9743 | a UserData field in the GifFileType structure. */ |
| 9744 | static gif_memory_source *current_gif_memory_src; |
| 9745 | |
| 9746 | static int |
| 9747 | gif_read_from_memory (file, buf, len) |
| 9748 | GifFileType *file; |
| 9749 | GifByteType *buf; |
| 9750 | int len; |
| 9751 | { |
| 9752 | gif_memory_source *src = current_gif_memory_src; |
| 9753 | |
| 9754 | if (len > src->len - src->index) |
| 9755 | return -1; |
| 9756 | |
| 9757 | bcopy (src->bytes + src->index, buf, len); |
| 9758 | src->index += len; |
| 9759 | return len; |
| 9760 | } |
| 9761 | |
| 9762 | |
| 9763 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
| 9764 | successful. */ |
| 9765 | |
| 9766 | static int |
| 9767 | gif_load (f, img) |
| 9768 | struct frame *f; |
| 9769 | struct image *img; |
| 9770 | { |
| 9771 | Lisp_Object file, specified_file; |
| 9772 | Lisp_Object specified_data; |
| 9773 | int rc, width, height, x, y, i; |
| 9774 | XImage *ximg; |
| 9775 | ColorMapObject *gif_color_map; |
| 9776 | unsigned long pixel_colors[256]; |
| 9777 | GifFileType *gif; |
| 9778 | struct gcpro gcpro1; |
| 9779 | Lisp_Object image; |
| 9780 | int ino, image_left, image_top, image_width, image_height; |
| 9781 | gif_memory_source memsrc; |
| 9782 | unsigned char *raster; |
| 9783 | |
| 9784 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
| 9785 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
| 9786 | file = Qnil; |
| 9787 | GCPRO1 (file); |
| 9788 | |
| 9789 | if (NILP (specified_data)) |
| 9790 | { |
| 9791 | file = x_find_image_file (specified_file); |
| 9792 | if (!STRINGP (file)) |
| 9793 | { |
| 9794 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
| 9795 | UNGCPRO; |
| 9796 | return 0; |
| 9797 | } |
| 9798 | |
| 9799 | /* Open the GIF file. */ |
| 9800 | gif = DGifOpenFileName (XSTRING (file)->data); |
| 9801 | if (gif == NULL) |
| 9802 | { |
| 9803 | image_error ("Cannot open `%s'", file, Qnil); |
| 9804 | UNGCPRO; |
| 9805 | return 0; |
| 9806 | } |
| 9807 | } |
| 9808 | else |
| 9809 | { |
| 9810 | /* Read from memory! */ |
| 9811 | current_gif_memory_src = &memsrc; |
| 9812 | memsrc.bytes = XSTRING (specified_data)->data; |
| 9813 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); |
| 9814 | memsrc.index = 0; |
| 9815 | |
| 9816 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
| 9817 | if (!gif) |
| 9818 | { |
| 9819 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
| 9820 | UNGCPRO; |
| 9821 | return 0; |
| 9822 | } |
| 9823 | } |
| 9824 | |
| 9825 | /* Read entire contents. */ |
| 9826 | rc = DGifSlurp (gif); |
| 9827 | if (rc == GIF_ERROR) |
| 9828 | { |
| 9829 | image_error ("Error reading `%s'", img->spec, Qnil); |
| 9830 | DGifCloseFile (gif); |
| 9831 | UNGCPRO; |
| 9832 | return 0; |
| 9833 | } |
| 9834 | |
| 9835 | image = image_spec_value (img->spec, QCindex, NULL); |
| 9836 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
| 9837 | if (ino >= gif->ImageCount) |
| 9838 | { |
| 9839 | image_error ("Invalid image number `%s' in image `%s'", |
| 9840 | image, img->spec); |
| 9841 | DGifCloseFile (gif); |
| 9842 | UNGCPRO; |
| 9843 | return 0; |
| 9844 | } |
| 9845 | |
| 9846 | width = img->width = gif->SWidth; |
| 9847 | height = img->height = gif->SHeight; |
| 9848 | |
| 9849 | /* Create the X image and pixmap. */ |
| 9850 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
| 9851 | { |
| 9852 | DGifCloseFile (gif); |
| 9853 | UNGCPRO; |
| 9854 | return 0; |
| 9855 | } |
| 9856 | |
| 9857 | /* Allocate colors. */ |
| 9858 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; |
| 9859 | if (!gif_color_map) |
| 9860 | gif_color_map = gif->SColorMap; |
| 9861 | init_color_table (); |
| 9862 | bzero (pixel_colors, sizeof pixel_colors); |
| 9863 | |
| 9864 | for (i = 0; i < gif_color_map->ColorCount; ++i) |
| 9865 | { |
| 9866 | int r = gif_color_map->Colors[i].Red << 8; |
| 9867 | int g = gif_color_map->Colors[i].Green << 8; |
| 9868 | int b = gif_color_map->Colors[i].Blue << 8; |
| 9869 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); |
| 9870 | } |
| 9871 | |
| 9872 | img->colors = colors_in_color_table (&img->ncolors); |
| 9873 | free_color_table (); |
| 9874 | |
| 9875 | /* Clear the part of the screen image that are not covered by |
| 9876 | the image from the GIF file. Full animated GIF support |
| 9877 | requires more than can be done here (see the gif89 spec, |
| 9878 | disposal methods). Let's simply assume that the part |
| 9879 | not covered by a sub-image is in the frame's background color. */ |
| 9880 | image_top = gif->SavedImages[ino].ImageDesc.Top; |
| 9881 | image_left = gif->SavedImages[ino].ImageDesc.Left; |
| 9882 | image_width = gif->SavedImages[ino].ImageDesc.Width; |
| 9883 | image_height = gif->SavedImages[ino].ImageDesc.Height; |
| 9884 | |
| 9885 | for (y = 0; y < image_top; ++y) |
| 9886 | for (x = 0; x < width; ++x) |
| 9887 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 9888 | |
| 9889 | for (y = image_top + image_height; y < height; ++y) |
| 9890 | for (x = 0; x < width; ++x) |
| 9891 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 9892 | |
| 9893 | for (y = image_top; y < image_top + image_height; ++y) |
| 9894 | { |
| 9895 | for (x = 0; x < image_left; ++x) |
| 9896 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 9897 | for (x = image_left + image_width; x < width; ++x) |
| 9898 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); |
| 9899 | } |
| 9900 | |
| 9901 | /* Read the GIF image into the X image. We use a local variable |
| 9902 | `raster' here because RasterBits below is a char *, and invites |
| 9903 | problems with bytes >= 0x80. */ |
| 9904 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; |
| 9905 | |
| 9906 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
| 9907 | { |
| 9908 | static int interlace_start[] = {0, 4, 2, 1}; |
| 9909 | static int interlace_increment[] = {8, 8, 4, 2}; |
| 9910 | int pass; |
| 9911 | int row = interlace_start[0]; |
| 9912 | |
| 9913 | pass = 0; |
| 9914 | |
| 9915 | for (y = 0; y < image_height; y++) |
| 9916 | { |
| 9917 | if (row >= image_height) |
| 9918 | { |
| 9919 | row = interlace_start[++pass]; |
| 9920 | while (row >= image_height) |
| 9921 | row = interlace_start[++pass]; |
| 9922 | } |
| 9923 | |
| 9924 | for (x = 0; x < image_width; x++) |
| 9925 | { |
| 9926 | int i = raster[(y * image_width) + x]; |
| 9927 | XPutPixel (ximg, x + image_left, row + image_top, |
| 9928 | pixel_colors[i]); |
| 9929 | } |
| 9930 | |
| 9931 | row += interlace_increment[pass]; |
| 9932 | } |
| 9933 | } |
| 9934 | else |
| 9935 | { |
| 9936 | for (y = 0; y < image_height; ++y) |
| 9937 | for (x = 0; x < image_width; ++x) |
| 9938 | { |
| 9939 | int i = raster[y * image_width + x]; |
| 9940 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
| 9941 | } |
| 9942 | } |
| 9943 | |
| 9944 | DGifCloseFile (gif); |
| 9945 | |
| 9946 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
| 9947 | x_put_x_image (f, ximg, img->pixmap, width, height); |
| 9948 | x_destroy_x_image (ximg); |
| 9949 | |
| 9950 | UNGCPRO; |
| 9951 | return 1; |
| 9952 | } |
| 9953 | |
| 9954 | #endif /* HAVE_GIF != 0 */ |
| 9955 | |
| 9956 | |
| 9957 | \f |
| 9958 | /*********************************************************************** |
| 9959 | Ghostscript |
| 9960 | ***********************************************************************/ |
| 9961 | |
| 9962 | static int gs_image_p P_ ((Lisp_Object object)); |
| 9963 | static int gs_load P_ ((struct frame *f, struct image *img)); |
| 9964 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); |
| 9965 | |
| 9966 | /* The symbol `postscript' identifying images of this type. */ |
| 9967 | |
| 9968 | Lisp_Object Qpostscript; |
| 9969 | |
| 9970 | /* Keyword symbols. */ |
| 9971 | |
| 9972 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; |
| 9973 | |
| 9974 | /* Indices of image specification fields in gs_format, below. */ |
| 9975 | |
| 9976 | enum gs_keyword_index |
| 9977 | { |
| 9978 | GS_TYPE, |
| 9979 | GS_PT_WIDTH, |
| 9980 | GS_PT_HEIGHT, |
| 9981 | GS_FILE, |
| 9982 | GS_LOADER, |
| 9983 | GS_BOUNDING_BOX, |
| 9984 | GS_ASCENT, |
| 9985 | GS_MARGIN, |
| 9986 | GS_RELIEF, |
| 9987 | GS_ALGORITHM, |
| 9988 | GS_HEURISTIC_MASK, |
| 9989 | GS_MASK, |
| 9990 | GS_LAST |
| 9991 | }; |
| 9992 | |
| 9993 | /* Vector of image_keyword structures describing the format |
| 9994 | of valid user-defined image specifications. */ |
| 9995 | |
| 9996 | static struct image_keyword gs_format[GS_LAST] = |
| 9997 | { |
| 9998 | {":type", IMAGE_SYMBOL_VALUE, 1}, |
| 9999 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, |
| 10000 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, |
| 10001 | {":file", IMAGE_STRING_VALUE, 1}, |
| 10002 | {":loader", IMAGE_FUNCTION_VALUE, 0}, |
| 10003 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, |
| 10004 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
| 10005 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
| 10006 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
| 10007 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 10008 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
| 10009 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
| 10010 | }; |
| 10011 | |
| 10012 | /* Structure describing the image type `ghostscript'. */ |
| 10013 | |
| 10014 | static struct image_type gs_type = |
| 10015 | { |
| 10016 | &Qpostscript, |
| 10017 | gs_image_p, |
| 10018 | gs_load, |
| 10019 | gs_clear_image, |
| 10020 | NULL |
| 10021 | }; |
| 10022 | |
| 10023 | |
| 10024 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ |
| 10025 | |
| 10026 | static void |
| 10027 | gs_clear_image (f, img) |
| 10028 | struct frame *f; |
| 10029 | struct image *img; |
| 10030 | { |
| 10031 | /* IMG->data.ptr_val may contain a recorded colormap. */ |
| 10032 | xfree (img->data.ptr_val); |
| 10033 | x_clear_image (f, img); |
| 10034 | } |
| 10035 | |
| 10036 | |
| 10037 | /* Return non-zero if OBJECT is a valid Ghostscript image |
| 10038 | specification. */ |
| 10039 | |
| 10040 | static int |
| 10041 | gs_image_p (object) |
| 10042 | Lisp_Object object; |
| 10043 | { |
| 10044 | struct image_keyword fmt[GS_LAST]; |
| 10045 | Lisp_Object tem; |
| 10046 | int i; |
| 10047 | |
| 10048 | bcopy (gs_format, fmt, sizeof fmt); |
| 10049 | |
| 10050 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) |
| 10051 | return 0; |
| 10052 | |
| 10053 | /* Bounding box must be a list or vector containing 4 integers. */ |
| 10054 | tem = fmt[GS_BOUNDING_BOX].value; |
| 10055 | if (CONSP (tem)) |
| 10056 | { |
| 10057 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) |
| 10058 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) |
| 10059 | return 0; |
| 10060 | if (!NILP (tem)) |
| 10061 | return 0; |
| 10062 | } |
| 10063 | else if (VECTORP (tem)) |
| 10064 | { |
| 10065 | if (XVECTOR (tem)->size != 4) |
| 10066 | return 0; |
| 10067 | for (i = 0; i < 4; ++i) |
| 10068 | if (!INTEGERP (XVECTOR (tem)->contents[i])) |
| 10069 | return 0; |
| 10070 | } |
| 10071 | else |
| 10072 | return 0; |
| 10073 | |
| 10074 | return 1; |
| 10075 | } |
| 10076 | |
| 10077 | |
| 10078 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero |
| 10079 | if successful. */ |
| 10080 | |
| 10081 | static int |
| 10082 | gs_load (f, img) |
| 10083 | struct frame *f; |
| 10084 | struct image *img; |
| 10085 | { |
| 10086 | char buffer[100]; |
| 10087 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; |
| 10088 | struct gcpro gcpro1, gcpro2; |
| 10089 | Lisp_Object frame; |
| 10090 | double in_width, in_height; |
| 10091 | Lisp_Object pixel_colors = Qnil; |
| 10092 | |
| 10093 | /* Compute pixel size of pixmap needed from the given size in the |
| 10094 | image specification. Sizes in the specification are in pt. 1 pt |
| 10095 | = 1/72 in, xdpi and ydpi are stored in the frame's X display |
| 10096 | info. */ |
| 10097 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); |
| 10098 | in_width = XFASTINT (pt_width) / 72.0; |
| 10099 | img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; |
| 10100 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); |
| 10101 | in_height = XFASTINT (pt_height) / 72.0; |
| 10102 | img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; |
| 10103 | |
| 10104 | /* Create the pixmap. */ |
| 10105 | xassert (img->pixmap == None); |
| 10106 | img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 10107 | img->width, img->height, |
| 10108 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); |
| 10109 | |
| 10110 | if (!img->pixmap) |
| 10111 | { |
| 10112 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
| 10113 | return 0; |
| 10114 | } |
| 10115 | |
| 10116 | /* Call the loader to fill the pixmap. It returns a process object |
| 10117 | if successful. We do not record_unwind_protect here because |
| 10118 | other places in redisplay like calling window scroll functions |
| 10119 | don't either. Let the Lisp loader use `unwind-protect' instead. */ |
| 10120 | GCPRO2 (window_and_pixmap_id, pixel_colors); |
| 10121 | |
| 10122 | sprintf (buffer, "%lu %lu", |
| 10123 | (unsigned long) FRAME_X_WINDOW (f), |
| 10124 | (unsigned long) img->pixmap); |
| 10125 | window_and_pixmap_id = build_string (buffer); |
| 10126 | |
| 10127 | sprintf (buffer, "%lu %lu", |
| 10128 | FRAME_FOREGROUND_PIXEL (f), |
| 10129 | FRAME_BACKGROUND_PIXEL (f)); |
| 10130 | pixel_colors = build_string (buffer); |
| 10131 | |
| 10132 | XSETFRAME (frame, f); |
| 10133 | loader = image_spec_value (img->spec, QCloader, NULL); |
| 10134 | if (NILP (loader)) |
| 10135 | loader = intern ("gs-load-image"); |
| 10136 | |
| 10137 | img->data.lisp_val = call6 (loader, frame, img->spec, |
| 10138 | make_number (img->width), |
| 10139 | make_number (img->height), |
| 10140 | window_and_pixmap_id, |
| 10141 | pixel_colors); |
| 10142 | UNGCPRO; |
| 10143 | return PROCESSP (img->data.lisp_val); |
| 10144 | } |
| 10145 | |
| 10146 | |
| 10147 | /* Kill the Ghostscript process that was started to fill PIXMAP on |
| 10148 | frame F. Called from XTread_socket when receiving an event |
| 10149 | telling Emacs that Ghostscript has finished drawing. */ |
| 10150 | |
| 10151 | void |
| 10152 | x_kill_gs_process (pixmap, f) |
| 10153 | Pixmap pixmap; |
| 10154 | struct frame *f; |
| 10155 | { |
| 10156 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); |
| 10157 | int class, i; |
| 10158 | struct image *img; |
| 10159 | |
| 10160 | /* Find the image containing PIXMAP. */ |
| 10161 | for (i = 0; i < c->used; ++i) |
| 10162 | if (c->images[i]->pixmap == pixmap) |
| 10163 | break; |
| 10164 | |
| 10165 | /* Should someone in between have cleared the image cache, for |
| 10166 | instance, give up. */ |
| 10167 | if (i == c->used) |
| 10168 | return; |
| 10169 | |
| 10170 | /* Kill the GS process. We should have found PIXMAP in the image |
| 10171 | cache and its image should contain a process object. */ |
| 10172 | img = c->images[i]; |
| 10173 | xassert (PROCESSP (img->data.lisp_val)); |
| 10174 | Fkill_process (img->data.lisp_val, Qnil); |
| 10175 | img->data.lisp_val = Qnil; |
| 10176 | |
| 10177 | /* On displays with a mutable colormap, figure out the colors |
| 10178 | allocated for the image by looking at the pixels of an XImage for |
| 10179 | img->pixmap. */ |
| 10180 | class = FRAME_X_VISUAL (f)->class; |
| 10181 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
| 10182 | { |
| 10183 | XImage *ximg; |
| 10184 | |
| 10185 | BLOCK_INPUT; |
| 10186 | |
| 10187 | /* Try to get an XImage for img->pixmep. */ |
| 10188 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, |
| 10189 | 0, 0, img->width, img->height, ~0, ZPixmap); |
| 10190 | if (ximg) |
| 10191 | { |
| 10192 | int x, y; |
| 10193 | |
| 10194 | /* Initialize the color table. */ |
| 10195 | init_color_table (); |
| 10196 | |
| 10197 | /* For each pixel of the image, look its color up in the |
| 10198 | color table. After having done so, the color table will |
| 10199 | contain an entry for each color used by the image. */ |
| 10200 | for (y = 0; y < img->height; ++y) |
| 10201 | for (x = 0; x < img->width; ++x) |
| 10202 | { |
| 10203 | unsigned long pixel = XGetPixel (ximg, x, y); |
| 10204 | lookup_pixel_color (f, pixel); |
| 10205 | } |
| 10206 | |
| 10207 | /* Record colors in the image. Free color table and XImage. */ |
| 10208 | img->colors = colors_in_color_table (&img->ncolors); |
| 10209 | free_color_table (); |
| 10210 | XDestroyImage (ximg); |
| 10211 | |
| 10212 | #if 0 /* This doesn't seem to be the case. If we free the colors |
| 10213 | here, we get a BadAccess later in x_clear_image when |
| 10214 | freeing the colors. */ |
| 10215 | /* We have allocated colors once, but Ghostscript has also |
| 10216 | allocated colors on behalf of us. So, to get the |
| 10217 | reference counts right, free them once. */ |
| 10218 | if (img->ncolors) |
| 10219 | x_free_colors (f, img->colors, img->ncolors); |
| 10220 | #endif |
| 10221 | } |
| 10222 | else |
| 10223 | image_error ("Cannot get X image of `%s'; colors will not be freed", |
| 10224 | img->spec, Qnil); |
| 10225 | |
| 10226 | UNBLOCK_INPUT; |
| 10227 | } |
| 10228 | |
| 10229 | /* Now that we have the pixmap, compute mask and transform the |
| 10230 | image if requested. */ |
| 10231 | BLOCK_INPUT; |
| 10232 | postprocess_image (f, img); |
| 10233 | UNBLOCK_INPUT; |
| 10234 | } |
| 10235 | |
| 10236 | |
| 10237 | \f |
| 10238 | /*********************************************************************** |
| 10239 | Window properties |
| 10240 | ***********************************************************************/ |
| 10241 | |
| 10242 | DEFUN ("x-change-window-property", Fx_change_window_property, |
| 10243 | Sx_change_window_property, 2, 3, 0, |
| 10244 | doc: /* Change window property PROP to VALUE on the X window of FRAME. |
| 10245 | PROP and VALUE must be strings. FRAME nil or omitted means use the |
| 10246 | selected frame. Value is VALUE. */) |
| 10247 | (prop, value, frame) |
| 10248 | Lisp_Object frame, prop, value; |
| 10249 | { |
| 10250 | struct frame *f = check_x_frame (frame); |
| 10251 | Atom prop_atom; |
| 10252 | |
| 10253 | CHECK_STRING (prop, 1); |
| 10254 | CHECK_STRING (value, 2); |
| 10255 | |
| 10256 | BLOCK_INPUT; |
| 10257 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); |
| 10258 | XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 10259 | prop_atom, XA_STRING, 8, PropModeReplace, |
| 10260 | XSTRING (value)->data, XSTRING (value)->size); |
| 10261 | |
| 10262 | /* Make sure the property is set when we return. */ |
| 10263 | XFlush (FRAME_X_DISPLAY (f)); |
| 10264 | UNBLOCK_INPUT; |
| 10265 | |
| 10266 | return value; |
| 10267 | } |
| 10268 | |
| 10269 | |
| 10270 | DEFUN ("x-delete-window-property", Fx_delete_window_property, |
| 10271 | Sx_delete_window_property, 1, 2, 0, |
| 10272 | doc: /* Remove window property PROP from X window of FRAME. |
| 10273 | FRAME nil or omitted means use the selected frame. Value is PROP. */) |
| 10274 | (prop, frame) |
| 10275 | Lisp_Object prop, frame; |
| 10276 | { |
| 10277 | struct frame *f = check_x_frame (frame); |
| 10278 | Atom prop_atom; |
| 10279 | |
| 10280 | CHECK_STRING (prop, 1); |
| 10281 | BLOCK_INPUT; |
| 10282 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); |
| 10283 | XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom); |
| 10284 | |
| 10285 | /* Make sure the property is removed when we return. */ |
| 10286 | XFlush (FRAME_X_DISPLAY (f)); |
| 10287 | UNBLOCK_INPUT; |
| 10288 | |
| 10289 | return prop; |
| 10290 | } |
| 10291 | |
| 10292 | |
| 10293 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, |
| 10294 | 1, 2, 0, |
| 10295 | doc: /* Value is the value of window property PROP on FRAME. |
| 10296 | If FRAME is nil or omitted, use the selected frame. Value is nil |
| 10297 | if FRAME hasn't a property with name PROP or if PROP has no string |
| 10298 | value. */) |
| 10299 | (prop, frame) |
| 10300 | Lisp_Object prop, frame; |
| 10301 | { |
| 10302 | struct frame *f = check_x_frame (frame); |
| 10303 | Atom prop_atom; |
| 10304 | int rc; |
| 10305 | Lisp_Object prop_value = Qnil; |
| 10306 | char *tmp_data = NULL; |
| 10307 | Atom actual_type; |
| 10308 | int actual_format; |
| 10309 | unsigned long actual_size, bytes_remaining; |
| 10310 | |
| 10311 | CHECK_STRING (prop, 1); |
| 10312 | BLOCK_INPUT; |
| 10313 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); |
| 10314 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 10315 | prop_atom, 0, 0, False, XA_STRING, |
| 10316 | &actual_type, &actual_format, &actual_size, |
| 10317 | &bytes_remaining, (unsigned char **) &tmp_data); |
| 10318 | if (rc == Success) |
| 10319 | { |
| 10320 | int size = bytes_remaining; |
| 10321 | |
| 10322 | XFree (tmp_data); |
| 10323 | tmp_data = NULL; |
| 10324 | |
| 10325 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 10326 | prop_atom, 0, bytes_remaining, |
| 10327 | False, XA_STRING, |
| 10328 | &actual_type, &actual_format, |
| 10329 | &actual_size, &bytes_remaining, |
| 10330 | (unsigned char **) &tmp_data); |
| 10331 | if (rc == Success && tmp_data) |
| 10332 | prop_value = make_string (tmp_data, size); |
| 10333 | |
| 10334 | XFree (tmp_data); |
| 10335 | } |
| 10336 | |
| 10337 | UNBLOCK_INPUT; |
| 10338 | return prop_value; |
| 10339 | } |
| 10340 | |
| 10341 | |
| 10342 | \f |
| 10343 | /*********************************************************************** |
| 10344 | Busy cursor |
| 10345 | ***********************************************************************/ |
| 10346 | |
| 10347 | /* If non-null, an asynchronous timer that, when it expires, displays |
| 10348 | an hourglass cursor on all frames. */ |
| 10349 | |
| 10350 | static struct atimer *hourglass_atimer; |
| 10351 | |
| 10352 | /* Non-zero means an hourglass cursor is currently shown. */ |
| 10353 | |
| 10354 | static int hourglass_shown_p; |
| 10355 | |
| 10356 | /* Number of seconds to wait before displaying an hourglass cursor. */ |
| 10357 | |
| 10358 | static Lisp_Object Vhourglass_delay; |
| 10359 | |
| 10360 | /* Default number of seconds to wait before displaying an hourglass |
| 10361 | cursor. */ |
| 10362 | |
| 10363 | #define DEFAULT_HOURGLASS_DELAY 1 |
| 10364 | |
| 10365 | /* Function prototypes. */ |
| 10366 | |
| 10367 | static void show_hourglass P_ ((struct atimer *)); |
| 10368 | static void hide_hourglass P_ ((void)); |
| 10369 | |
| 10370 | |
| 10371 | /* Cancel a currently active hourglass timer, and start a new one. */ |
| 10372 | |
| 10373 | void |
| 10374 | start_hourglass () |
| 10375 | { |
| 10376 | EMACS_TIME delay; |
| 10377 | int secs, usecs = 0; |
| 10378 | |
| 10379 | cancel_hourglass (); |
| 10380 | |
| 10381 | if (INTEGERP (Vhourglass_delay) |
| 10382 | && XINT (Vhourglass_delay) > 0) |
| 10383 | secs = XFASTINT (Vhourglass_delay); |
| 10384 | else if (FLOATP (Vhourglass_delay) |
| 10385 | && XFLOAT_DATA (Vhourglass_delay) > 0) |
| 10386 | { |
| 10387 | Lisp_Object tem; |
| 10388 | tem = Ftruncate (Vhourglass_delay, Qnil); |
| 10389 | secs = XFASTINT (tem); |
| 10390 | usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000; |
| 10391 | } |
| 10392 | else |
| 10393 | secs = DEFAULT_HOURGLASS_DELAY; |
| 10394 | |
| 10395 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
| 10396 | hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay, |
| 10397 | show_hourglass, NULL); |
| 10398 | } |
| 10399 | |
| 10400 | |
| 10401 | /* Cancel the hourglass cursor timer if active, hide a busy cursor if |
| 10402 | shown. */ |
| 10403 | |
| 10404 | void |
| 10405 | cancel_hourglass () |
| 10406 | { |
| 10407 | if (hourglass_atimer) |
| 10408 | { |
| 10409 | cancel_atimer (hourglass_atimer); |
| 10410 | hourglass_atimer = NULL; |
| 10411 | } |
| 10412 | |
| 10413 | if (hourglass_shown_p) |
| 10414 | hide_hourglass (); |
| 10415 | } |
| 10416 | |
| 10417 | |
| 10418 | /* Timer function of hourglass_atimer. TIMER is equal to |
| 10419 | hourglass_atimer. |
| 10420 | |
| 10421 | Display an hourglass pointer on all frames by mapping the frames' |
| 10422 | hourglass_window. Set the hourglass_p flag in the frames' |
| 10423 | output_data.x structure to indicate that an hourglass cursor is |
| 10424 | shown on the frames. */ |
| 10425 | |
| 10426 | static void |
| 10427 | show_hourglass (timer) |
| 10428 | struct atimer *timer; |
| 10429 | { |
| 10430 | /* The timer implementation will cancel this timer automatically |
| 10431 | after this function has run. Set hourglass_atimer to null |
| 10432 | so that we know the timer doesn't have to be canceled. */ |
| 10433 | hourglass_atimer = NULL; |
| 10434 | |
| 10435 | if (!hourglass_shown_p) |
| 10436 | { |
| 10437 | Lisp_Object rest, frame; |
| 10438 | |
| 10439 | BLOCK_INPUT; |
| 10440 | |
| 10441 | FOR_EACH_FRAME (rest, frame) |
| 10442 | { |
| 10443 | struct frame *f = XFRAME (frame); |
| 10444 | |
| 10445 | if (FRAME_LIVE_P (f) && FRAME_X_P (f) && FRAME_X_DISPLAY (f)) |
| 10446 | { |
| 10447 | Display *dpy = FRAME_X_DISPLAY (f); |
| 10448 | |
| 10449 | #ifdef USE_X_TOOLKIT |
| 10450 | if (f->output_data.x->widget) |
| 10451 | #else |
| 10452 | if (FRAME_OUTER_WINDOW (f)) |
| 10453 | #endif |
| 10454 | { |
| 10455 | f->output_data.x->hourglass_p = 1; |
| 10456 | |
| 10457 | if (!f->output_data.x->hourglass_window) |
| 10458 | { |
| 10459 | unsigned long mask = CWCursor; |
| 10460 | XSetWindowAttributes attrs; |
| 10461 | |
| 10462 | attrs.cursor = f->output_data.x->hourglass_cursor; |
| 10463 | |
| 10464 | f->output_data.x->hourglass_window |
| 10465 | = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), |
| 10466 | 0, 0, 32000, 32000, 0, 0, |
| 10467 | InputOnly, |
| 10468 | CopyFromParent, |
| 10469 | mask, &attrs); |
| 10470 | } |
| 10471 | |
| 10472 | XMapRaised (dpy, f->output_data.x->hourglass_window); |
| 10473 | XFlush (dpy); |
| 10474 | } |
| 10475 | } |
| 10476 | } |
| 10477 | |
| 10478 | hourglass_shown_p = 1; |
| 10479 | UNBLOCK_INPUT; |
| 10480 | } |
| 10481 | } |
| 10482 | |
| 10483 | |
| 10484 | /* Hide the hourglass pointer on all frames, if it is currently |
| 10485 | shown. */ |
| 10486 | |
| 10487 | static void |
| 10488 | hide_hourglass () |
| 10489 | { |
| 10490 | if (hourglass_shown_p) |
| 10491 | { |
| 10492 | Lisp_Object rest, frame; |
| 10493 | |
| 10494 | BLOCK_INPUT; |
| 10495 | FOR_EACH_FRAME (rest, frame) |
| 10496 | { |
| 10497 | struct frame *f = XFRAME (frame); |
| 10498 | |
| 10499 | if (FRAME_X_P (f) |
| 10500 | /* Watch out for newly created frames. */ |
| 10501 | && f->output_data.x->hourglass_window) |
| 10502 | { |
| 10503 | XUnmapWindow (FRAME_X_DISPLAY (f), |
| 10504 | f->output_data.x->hourglass_window); |
| 10505 | /* Sync here because XTread_socket looks at the |
| 10506 | hourglass_p flag that is reset to zero below. */ |
| 10507 | XSync (FRAME_X_DISPLAY (f), False); |
| 10508 | f->output_data.x->hourglass_p = 0; |
| 10509 | } |
| 10510 | } |
| 10511 | |
| 10512 | hourglass_shown_p = 0; |
| 10513 | UNBLOCK_INPUT; |
| 10514 | } |
| 10515 | } |
| 10516 | |
| 10517 | |
| 10518 | \f |
| 10519 | /*********************************************************************** |
| 10520 | Tool tips |
| 10521 | ***********************************************************************/ |
| 10522 | |
| 10523 | static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *, |
| 10524 | Lisp_Object, Lisp_Object)); |
| 10525 | static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object, |
| 10526 | Lisp_Object, int, int, int *, int *)); |
| 10527 | |
| 10528 | /* The frame of a currently visible tooltip. */ |
| 10529 | |
| 10530 | Lisp_Object tip_frame; |
| 10531 | |
| 10532 | /* If non-nil, a timer started that hides the last tooltip when it |
| 10533 | fires. */ |
| 10534 | |
| 10535 | Lisp_Object tip_timer; |
| 10536 | Window tip_window; |
| 10537 | |
| 10538 | /* If non-nil, a vector of 3 elements containing the last args |
| 10539 | with which x-show-tip was called. See there. */ |
| 10540 | |
| 10541 | Lisp_Object last_show_tip_args; |
| 10542 | |
| 10543 | /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */ |
| 10544 | |
| 10545 | Lisp_Object Vx_max_tooltip_size; |
| 10546 | |
| 10547 | |
| 10548 | static Lisp_Object |
| 10549 | unwind_create_tip_frame (frame) |
| 10550 | Lisp_Object frame; |
| 10551 | { |
| 10552 | Lisp_Object deleted; |
| 10553 | |
| 10554 | deleted = unwind_create_frame (frame); |
| 10555 | if (EQ (deleted, Qt)) |
| 10556 | { |
| 10557 | tip_window = None; |
| 10558 | tip_frame = Qnil; |
| 10559 | } |
| 10560 | |
| 10561 | return deleted; |
| 10562 | } |
| 10563 | |
| 10564 | |
| 10565 | /* Create a frame for a tooltip on the display described by DPYINFO. |
| 10566 | PARMS is a list of frame parameters. TEXT is the string to |
| 10567 | display in the tip frame. Value is the frame. |
| 10568 | |
| 10569 | Note that functions called here, esp. x_default_parameter can |
| 10570 | signal errors, for instance when a specified color name is |
| 10571 | undefined. We have to make sure that we're in a consistent state |
| 10572 | when this happens. */ |
| 10573 | |
| 10574 | static Lisp_Object |
| 10575 | x_create_tip_frame (dpyinfo, parms, text) |
| 10576 | struct x_display_info *dpyinfo; |
| 10577 | Lisp_Object parms, text; |
| 10578 | { |
| 10579 | struct frame *f; |
| 10580 | Lisp_Object frame, tem; |
| 10581 | Lisp_Object name; |
| 10582 | long window_prompting = 0; |
| 10583 | int width, height; |
| 10584 | int count = BINDING_STACK_SIZE (); |
| 10585 | struct gcpro gcpro1, gcpro2, gcpro3; |
| 10586 | struct kboard *kb; |
| 10587 | int face_change_count_before = face_change_count; |
| 10588 | Lisp_Object buffer; |
| 10589 | struct buffer *old_buffer; |
| 10590 | |
| 10591 | check_x (); |
| 10592 | |
| 10593 | /* Use this general default value to start with until we know if |
| 10594 | this frame has a specified name. */ |
| 10595 | Vx_resource_name = Vinvocation_name; |
| 10596 | |
| 10597 | #ifdef MULTI_KBOARD |
| 10598 | kb = dpyinfo->kboard; |
| 10599 | #else |
| 10600 | kb = &the_only_kboard; |
| 10601 | #endif |
| 10602 | |
| 10603 | /* Get the name of the frame to use for resource lookup. */ |
| 10604 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
| 10605 | if (!STRINGP (name) |
| 10606 | && !EQ (name, Qunbound) |
| 10607 | && !NILP (name)) |
| 10608 | error ("Invalid frame name--not a string or nil"); |
| 10609 | Vx_resource_name = name; |
| 10610 | |
| 10611 | frame = Qnil; |
| 10612 | GCPRO3 (parms, name, frame); |
| 10613 | f = make_frame (1); |
| 10614 | XSETFRAME (frame, f); |
| 10615 | |
| 10616 | buffer = Fget_buffer_create (build_string (" *tip*")); |
| 10617 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer); |
| 10618 | old_buffer = current_buffer; |
| 10619 | set_buffer_internal_1 (XBUFFER (buffer)); |
| 10620 | current_buffer->truncate_lines = Qnil; |
| 10621 | Ferase_buffer (); |
| 10622 | Finsert (1, &text); |
| 10623 | set_buffer_internal_1 (old_buffer); |
| 10624 | |
| 10625 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
| 10626 | record_unwind_protect (unwind_create_tip_frame, frame); |
| 10627 | |
| 10628 | /* By setting the output method, we're essentially saying that |
| 10629 | the frame is live, as per FRAME_LIVE_P. If we get a signal |
| 10630 | from this point on, x_destroy_window might screw up reference |
| 10631 | counts etc. */ |
| 10632 | f->output_method = output_x_window; |
| 10633 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
| 10634 | bzero (f->output_data.x, sizeof (struct x_output)); |
| 10635 | f->output_data.x->icon_bitmap = -1; |
| 10636 | f->output_data.x->fontset = -1; |
| 10637 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
| 10638 | f->output_data.x->scroll_bar_background_pixel = -1; |
| 10639 | #ifdef USE_TOOLKIT_SCROLL_BARS |
| 10640 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; |
| 10641 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; |
| 10642 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
| 10643 | f->icon_name = Qnil; |
| 10644 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
| 10645 | #if GLYPH_DEBUG |
| 10646 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
| 10647 | dpyinfo_refcount = dpyinfo->reference_count; |
| 10648 | #endif /* GLYPH_DEBUG */ |
| 10649 | #ifdef MULTI_KBOARD |
| 10650 | FRAME_KBOARD (f) = kb; |
| 10651 | #endif |
| 10652 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
| 10653 | f->output_data.x->explicit_parent = 0; |
| 10654 | |
| 10655 | /* These colors will be set anyway later, but it's important |
| 10656 | to get the color reference counts right, so initialize them! */ |
| 10657 | { |
| 10658 | Lisp_Object black; |
| 10659 | struct gcpro gcpro1; |
| 10660 | |
| 10661 | black = build_string ("black"); |
| 10662 | GCPRO1 (black); |
| 10663 | f->output_data.x->foreground_pixel |
| 10664 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10665 | f->output_data.x->background_pixel |
| 10666 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10667 | f->output_data.x->cursor_pixel |
| 10668 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10669 | f->output_data.x->cursor_foreground_pixel |
| 10670 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10671 | f->output_data.x->border_pixel |
| 10672 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10673 | f->output_data.x->mouse_pixel |
| 10674 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); |
| 10675 | UNGCPRO; |
| 10676 | } |
| 10677 | |
| 10678 | /* Set the name; the functions to which we pass f expect the name to |
| 10679 | be set. */ |
| 10680 | if (EQ (name, Qunbound) || NILP (name)) |
| 10681 | { |
| 10682 | f->name = build_string (dpyinfo->x_id_name); |
| 10683 | f->explicit_name = 0; |
| 10684 | } |
| 10685 | else |
| 10686 | { |
| 10687 | f->name = name; |
| 10688 | f->explicit_name = 1; |
| 10689 | /* use the frame's title when getting resources for this frame. */ |
| 10690 | specbind (Qx_resource_name, name); |
| 10691 | } |
| 10692 | |
| 10693 | /* Extract the window parameters from the supplied values that are |
| 10694 | needed to determine window geometry. */ |
| 10695 | { |
| 10696 | Lisp_Object font; |
| 10697 | |
| 10698 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
| 10699 | |
| 10700 | BLOCK_INPUT; |
| 10701 | /* First, try whatever font the caller has specified. */ |
| 10702 | if (STRINGP (font)) |
| 10703 | { |
| 10704 | tem = Fquery_fontset (font, Qnil); |
| 10705 | if (STRINGP (tem)) |
| 10706 | font = x_new_fontset (f, XSTRING (tem)->data); |
| 10707 | else |
| 10708 | font = x_new_font (f, XSTRING (font)->data); |
| 10709 | } |
| 10710 | |
| 10711 | /* Try out a font which we hope has bold and italic variations. */ |
| 10712 | if (!STRINGP (font)) |
| 10713 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); |
| 10714 | if (!STRINGP (font)) |
| 10715 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 10716 | if (! STRINGP (font)) |
| 10717 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
| 10718 | if (! STRINGP (font)) |
| 10719 | /* This was formerly the first thing tried, but it finds too many fonts |
| 10720 | and takes too long. */ |
| 10721 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); |
| 10722 | /* If those didn't work, look for something which will at least work. */ |
| 10723 | if (! STRINGP (font)) |
| 10724 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
| 10725 | UNBLOCK_INPUT; |
| 10726 | if (! STRINGP (font)) |
| 10727 | font = build_string ("fixed"); |
| 10728 | |
| 10729 | x_default_parameter (f, parms, Qfont, font, |
| 10730 | "font", "Font", RES_TYPE_STRING); |
| 10731 | } |
| 10732 | |
| 10733 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
| 10734 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
| 10735 | |
| 10736 | /* This defaults to 2 in order to match xterm. We recognize either |
| 10737 | internalBorderWidth or internalBorder (which is what xterm calls |
| 10738 | it). */ |
| 10739 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 10740 | { |
| 10741 | Lisp_Object value; |
| 10742 | |
| 10743 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
| 10744 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
| 10745 | if (! EQ (value, Qunbound)) |
| 10746 | parms = Fcons (Fcons (Qinternal_border_width, value), |
| 10747 | parms); |
| 10748 | } |
| 10749 | |
| 10750 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
| 10751 | "internalBorderWidth", "internalBorderWidth", |
| 10752 | RES_TYPE_NUMBER); |
| 10753 | |
| 10754 | /* Also do the stuff which must be set before the window exists. */ |
| 10755 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
| 10756 | "foreground", "Foreground", RES_TYPE_STRING); |
| 10757 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
| 10758 | "background", "Background", RES_TYPE_STRING); |
| 10759 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
| 10760 | "pointerColor", "Foreground", RES_TYPE_STRING); |
| 10761 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
| 10762 | "cursorColor", "Foreground", RES_TYPE_STRING); |
| 10763 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
| 10764 | "borderColor", "BorderColor", RES_TYPE_STRING); |
| 10765 | |
| 10766 | /* Init faces before x_default_parameter is called for scroll-bar |
| 10767 | parameters because that function calls x_set_scroll_bar_width, |
| 10768 | which calls change_frame_size, which calls Fset_window_buffer, |
| 10769 | which runs hooks, which call Fvertical_motion. At the end, we |
| 10770 | end up in init_iterator with a null face cache, which should not |
| 10771 | happen. */ |
| 10772 | init_frame_faces (f); |
| 10773 | |
| 10774 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
| 10775 | window_prompting = x_figure_window_size (f, parms); |
| 10776 | |
| 10777 | if (window_prompting & XNegative) |
| 10778 | { |
| 10779 | if (window_prompting & YNegative) |
| 10780 | f->output_data.x->win_gravity = SouthEastGravity; |
| 10781 | else |
| 10782 | f->output_data.x->win_gravity = NorthEastGravity; |
| 10783 | } |
| 10784 | else |
| 10785 | { |
| 10786 | if (window_prompting & YNegative) |
| 10787 | f->output_data.x->win_gravity = SouthWestGravity; |
| 10788 | else |
| 10789 | f->output_data.x->win_gravity = NorthWestGravity; |
| 10790 | } |
| 10791 | |
| 10792 | f->output_data.x->size_hint_flags = window_prompting; |
| 10793 | { |
| 10794 | XSetWindowAttributes attrs; |
| 10795 | unsigned long mask; |
| 10796 | |
| 10797 | BLOCK_INPUT; |
| 10798 | mask = CWBackPixel | CWOverrideRedirect | CWEventMask; |
| 10799 | if (DoesSaveUnders (dpyinfo->screen)) |
| 10800 | mask |= CWSaveUnder; |
| 10801 | |
| 10802 | /* Window managers look at the override-redirect flag to determine |
| 10803 | whether or net to give windows a decoration (Xlib spec, chapter |
| 10804 | 3.2.8). */ |
| 10805 | attrs.override_redirect = True; |
| 10806 | attrs.save_under = True; |
| 10807 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); |
| 10808 | /* Arrange for getting MapNotify and UnmapNotify events. */ |
| 10809 | attrs.event_mask = StructureNotifyMask; |
| 10810 | tip_window |
| 10811 | = FRAME_X_WINDOW (f) |
| 10812 | = XCreateWindow (FRAME_X_DISPLAY (f), |
| 10813 | FRAME_X_DISPLAY_INFO (f)->root_window, |
| 10814 | /* x, y, width, height */ |
| 10815 | 0, 0, 1, 1, |
| 10816 | /* Border. */ |
| 10817 | 1, |
| 10818 | CopyFromParent, InputOutput, CopyFromParent, |
| 10819 | mask, &attrs); |
| 10820 | UNBLOCK_INPUT; |
| 10821 | } |
| 10822 | |
| 10823 | x_make_gc (f); |
| 10824 | |
| 10825 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
| 10826 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 10827 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
| 10828 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
| 10829 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
| 10830 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
| 10831 | |
| 10832 | /* Dimensions, especially f->height, must be done via change_frame_size. |
| 10833 | Change will not be effected unless different from the current |
| 10834 | f->height. */ |
| 10835 | width = f->width; |
| 10836 | height = f->height; |
| 10837 | f->height = 0; |
| 10838 | SET_FRAME_WIDTH (f, 0); |
| 10839 | change_frame_size (f, height, width, 1, 0, 0); |
| 10840 | |
| 10841 | /* Set up faces after all frame parameters are known. This call |
| 10842 | also merges in face attributes specified for new frames. |
| 10843 | |
| 10844 | Frame parameters may be changed if .Xdefaults contains |
| 10845 | specifications for the default font. For example, if there is an |
| 10846 | `Emacs.default.attributeBackground: pink', the `background-color' |
| 10847 | attribute of the frame get's set, which let's the internal border |
| 10848 | of the tooltip frame appear in pink. Prevent this. */ |
| 10849 | { |
| 10850 | Lisp_Object bg = Fframe_parameter (frame, Qbackground_color); |
| 10851 | |
| 10852 | /* Set tip_frame here, so that */ |
| 10853 | tip_frame = frame; |
| 10854 | call1 (Qface_set_after_frame_default, frame); |
| 10855 | |
| 10856 | if (!EQ (bg, Fframe_parameter (frame, Qbackground_color))) |
| 10857 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg), |
| 10858 | Qnil)); |
| 10859 | } |
| 10860 | |
| 10861 | f->no_split = 1; |
| 10862 | |
| 10863 | UNGCPRO; |
| 10864 | |
| 10865 | /* It is now ok to make the frame official even if we get an error |
| 10866 | below. And the frame needs to be on Vframe_list or making it |
| 10867 | visible won't work. */ |
| 10868 | Vframe_list = Fcons (frame, Vframe_list); |
| 10869 | |
| 10870 | /* Now that the frame is official, it counts as a reference to |
| 10871 | its display. */ |
| 10872 | FRAME_X_DISPLAY_INFO (f)->reference_count++; |
| 10873 | |
| 10874 | /* Setting attributes of faces of the tooltip frame from resources |
| 10875 | and similar will increment face_change_count, which leads to the |
| 10876 | clearing of all current matrices. Since this isn't necessary |
| 10877 | here, avoid it by resetting face_change_count to the value it |
| 10878 | had before we created the tip frame. */ |
| 10879 | face_change_count = face_change_count_before; |
| 10880 | |
| 10881 | /* Discard the unwind_protect. */ |
| 10882 | return unbind_to (count, frame); |
| 10883 | } |
| 10884 | |
| 10885 | |
| 10886 | /* Compute where to display tip frame F. PARMS is the list of frame |
| 10887 | parameters for F. DX and DY are specified offsets from the current |
| 10888 | location of the mouse. WIDTH and HEIGHT are the width and height |
| 10889 | of the tooltip. Return coordinates relative to the root window of |
| 10890 | the display in *ROOT_X, and *ROOT_Y. */ |
| 10891 | |
| 10892 | static void |
| 10893 | compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y) |
| 10894 | struct frame *f; |
| 10895 | Lisp_Object parms, dx, dy; |
| 10896 | int width, height; |
| 10897 | int *root_x, *root_y; |
| 10898 | { |
| 10899 | Lisp_Object left, top; |
| 10900 | int win_x, win_y; |
| 10901 | Window root, child; |
| 10902 | unsigned pmask; |
| 10903 | |
| 10904 | /* User-specified position? */ |
| 10905 | left = Fcdr (Fassq (Qleft, parms)); |
| 10906 | top = Fcdr (Fassq (Qtop, parms)); |
| 10907 | |
| 10908 | /* Move the tooltip window where the mouse pointer is. Resize and |
| 10909 | show it. */ |
| 10910 | if (!INTEGERP (left) && !INTEGERP (top)) |
| 10911 | { |
| 10912 | BLOCK_INPUT; |
| 10913 | XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
| 10914 | &root, &child, root_x, root_y, &win_x, &win_y, &pmask); |
| 10915 | UNBLOCK_INPUT; |
| 10916 | } |
| 10917 | |
| 10918 | if (INTEGERP (top)) |
| 10919 | *root_y = XINT (top); |
| 10920 | else if (*root_y + XINT (dy) - height < 0) |
| 10921 | *root_y -= XINT (dy); |
| 10922 | else |
| 10923 | { |
| 10924 | *root_y -= height; |
| 10925 | *root_y += XINT (dy); |
| 10926 | } |
| 10927 | |
| 10928 | if (INTEGERP (left)) |
| 10929 | *root_x = XINT (left); |
| 10930 | else if (*root_x + XINT (dx) + width > FRAME_X_DISPLAY_INFO (f)->width) |
| 10931 | *root_x -= width + XINT (dx); |
| 10932 | else |
| 10933 | *root_x += XINT (dx); |
| 10934 | } |
| 10935 | |
| 10936 | |
| 10937 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
| 10938 | doc: /* Show STRING in a "tooltip" window on frame FRAME. |
| 10939 | A tooltip window is a small X window displaying a string. |
| 10940 | |
| 10941 | FRAME nil or omitted means use the selected frame. |
| 10942 | |
| 10943 | PARMS is an optional list of frame parameters which can be used to |
| 10944 | change the tooltip's appearance. |
| 10945 | |
| 10946 | Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil |
| 10947 | means use the default timeout of 5 seconds. |
| 10948 | |
| 10949 | If the list of frame parameters PARAMS contains a `left' parameters, |
| 10950 | the tooltip is displayed at that x-position. Otherwise it is |
| 10951 | displayed at the mouse position, with offset DX added (default is 5 if |
| 10952 | DX isn't specified). Likewise for the y-position; if a `top' frame |
| 10953 | parameter is specified, it determines the y-position of the tooltip |
| 10954 | window, otherwise it is displayed at the mouse position, with offset |
| 10955 | DY added (default is -10). |
| 10956 | |
| 10957 | A tooltip's maximum size is specified by `x-max-tooltip-size'. |
| 10958 | Text larger than the specified size is clipped. */) |
| 10959 | (string, frame, parms, timeout, dx, dy) |
| 10960 | Lisp_Object string, frame, parms, timeout, dx, dy; |
| 10961 | { |
| 10962 | struct frame *f; |
| 10963 | struct window *w; |
| 10964 | int root_x, root_y; |
| 10965 | struct buffer *old_buffer; |
| 10966 | struct text_pos pos; |
| 10967 | int i, width, height; |
| 10968 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
| 10969 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
| 10970 | int count = BINDING_STACK_SIZE (); |
| 10971 | |
| 10972 | specbind (Qinhibit_redisplay, Qt); |
| 10973 | |
| 10974 | GCPRO4 (string, parms, frame, timeout); |
| 10975 | |
| 10976 | CHECK_STRING (string, 0); |
| 10977 | f = check_x_frame (frame); |
| 10978 | if (NILP (timeout)) |
| 10979 | timeout = make_number (5); |
| 10980 | else |
| 10981 | CHECK_NATNUM (timeout, 2); |
| 10982 | |
| 10983 | if (NILP (dx)) |
| 10984 | dx = make_number (5); |
| 10985 | else |
| 10986 | CHECK_NUMBER (dx, 5); |
| 10987 | |
| 10988 | if (NILP (dy)) |
| 10989 | dy = make_number (-10); |
| 10990 | else |
| 10991 | CHECK_NUMBER (dy, 6); |
| 10992 | |
| 10993 | if (NILP (last_show_tip_args)) |
| 10994 | last_show_tip_args = Fmake_vector (make_number (3), Qnil); |
| 10995 | |
| 10996 | if (!NILP (tip_frame)) |
| 10997 | { |
| 10998 | Lisp_Object last_string = AREF (last_show_tip_args, 0); |
| 10999 | Lisp_Object last_frame = AREF (last_show_tip_args, 1); |
| 11000 | Lisp_Object last_parms = AREF (last_show_tip_args, 2); |
| 11001 | |
| 11002 | if (EQ (frame, last_frame) |
| 11003 | && !NILP (Fequal (last_string, string)) |
| 11004 | && !NILP (Fequal (last_parms, parms))) |
| 11005 | { |
| 11006 | struct frame *f = XFRAME (tip_frame); |
| 11007 | |
| 11008 | /* Only DX and DY have changed. */ |
| 11009 | if (!NILP (tip_timer)) |
| 11010 | { |
| 11011 | Lisp_Object timer = tip_timer; |
| 11012 | tip_timer = Qnil; |
| 11013 | call1 (Qcancel_timer, timer); |
| 11014 | } |
| 11015 | |
| 11016 | BLOCK_INPUT; |
| 11017 | compute_tip_xy (f, parms, dx, dy, PIXEL_WIDTH (f), |
| 11018 | PIXEL_HEIGHT (f), &root_x, &root_y); |
| 11019 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 11020 | root_x, root_y); |
| 11021 | UNBLOCK_INPUT; |
| 11022 | goto start_timer; |
| 11023 | } |
| 11024 | } |
| 11025 | |
| 11026 | /* Hide a previous tip, if any. */ |
| 11027 | Fx_hide_tip (); |
| 11028 | |
| 11029 | ASET (last_show_tip_args, 0, string); |
| 11030 | ASET (last_show_tip_args, 1, frame); |
| 11031 | ASET (last_show_tip_args, 2, parms); |
| 11032 | |
| 11033 | /* Add default values to frame parameters. */ |
| 11034 | if (NILP (Fassq (Qname, parms))) |
| 11035 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); |
| 11036 | if (NILP (Fassq (Qinternal_border_width, parms))) |
| 11037 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); |
| 11038 | if (NILP (Fassq (Qborder_width, parms))) |
| 11039 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); |
| 11040 | if (NILP (Fassq (Qborder_color, parms))) |
| 11041 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); |
| 11042 | if (NILP (Fassq (Qbackground_color, parms))) |
| 11043 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), |
| 11044 | parms); |
| 11045 | |
| 11046 | /* Create a frame for the tooltip, and record it in the global |
| 11047 | variable tip_frame. */ |
| 11048 | frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms, string); |
| 11049 | f = XFRAME (frame); |
| 11050 | |
| 11051 | /* Set up the frame's root window. */ |
| 11052 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); |
| 11053 | w->left = w->top = make_number (0); |
| 11054 | |
| 11055 | if (CONSP (Vx_max_tooltip_size) |
| 11056 | && INTEGERP (XCAR (Vx_max_tooltip_size)) |
| 11057 | && XINT (XCAR (Vx_max_tooltip_size)) > 0 |
| 11058 | && INTEGERP (XCDR (Vx_max_tooltip_size)) |
| 11059 | && XINT (XCDR (Vx_max_tooltip_size)) > 0) |
| 11060 | { |
| 11061 | w->width = XCAR (Vx_max_tooltip_size); |
| 11062 | w->height = XCDR (Vx_max_tooltip_size); |
| 11063 | } |
| 11064 | else |
| 11065 | { |
| 11066 | w->width = make_number (80); |
| 11067 | w->height = make_number (40); |
| 11068 | } |
| 11069 | |
| 11070 | f->window_width = XINT (w->width); |
| 11071 | adjust_glyphs (f); |
| 11072 | w->pseudo_window_p = 1; |
| 11073 | |
| 11074 | /* Display the tooltip text in a temporary buffer. */ |
| 11075 | old_buffer = current_buffer; |
| 11076 | set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer)); |
| 11077 | current_buffer->truncate_lines = Qnil; |
| 11078 | clear_glyph_matrix (w->desired_matrix); |
| 11079 | clear_glyph_matrix (w->current_matrix); |
| 11080 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); |
| 11081 | try_window (FRAME_ROOT_WINDOW (f), pos); |
| 11082 | |
| 11083 | /* Compute width and height of the tooltip. */ |
| 11084 | width = height = 0; |
| 11085 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
| 11086 | { |
| 11087 | struct glyph_row *row = &w->desired_matrix->rows[i]; |
| 11088 | struct glyph *last; |
| 11089 | int row_width; |
| 11090 | |
| 11091 | /* Stop at the first empty row at the end. */ |
| 11092 | if (!row->enabled_p || !row->displays_text_p) |
| 11093 | break; |
| 11094 | |
| 11095 | /* Let the row go over the full width of the frame. */ |
| 11096 | row->full_width_p = 1; |
| 11097 | |
| 11098 | /* There's a glyph at the end of rows that is used to place |
| 11099 | the cursor there. Don't include the width of this glyph. */ |
| 11100 | if (row->used[TEXT_AREA]) |
| 11101 | { |
| 11102 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; |
| 11103 | row_width = row->pixel_width - last->pixel_width; |
| 11104 | } |
| 11105 | else |
| 11106 | row_width = row->pixel_width; |
| 11107 | |
| 11108 | height += row->height; |
| 11109 | width = max (width, row_width); |
| 11110 | } |
| 11111 | |
| 11112 | /* Add the frame's internal border to the width and height the X |
| 11113 | window should have. */ |
| 11114 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); |
| 11115 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); |
| 11116 | |
| 11117 | /* Move the tooltip window where the mouse pointer is. Resize and |
| 11118 | show it. */ |
| 11119 | compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y); |
| 11120 | |
| 11121 | BLOCK_INPUT; |
| 11122 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
| 11123 | root_x, root_y, width, height); |
| 11124 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
| 11125 | UNBLOCK_INPUT; |
| 11126 | |
| 11127 | /* Draw into the window. */ |
| 11128 | w->must_be_updated_p = 1; |
| 11129 | update_single_window (w, 1); |
| 11130 | |
| 11131 | /* Restore original current buffer. */ |
| 11132 | set_buffer_internal_1 (old_buffer); |
| 11133 | windows_or_buffers_changed = old_windows_or_buffers_changed; |
| 11134 | |
| 11135 | start_timer: |
| 11136 | /* Let the tip disappear after timeout seconds. */ |
| 11137 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, |
| 11138 | intern ("x-hide-tip")); |
| 11139 | |
| 11140 | UNGCPRO; |
| 11141 | return unbind_to (count, Qnil); |
| 11142 | } |
| 11143 | |
| 11144 | |
| 11145 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, |
| 11146 | doc: /* Hide the current tooltip window, if there is any. |
| 11147 | Value is t if tooltip was open, nil otherwise. */) |
| 11148 | () |
| 11149 | { |
| 11150 | int count; |
| 11151 | Lisp_Object deleted, frame, timer; |
| 11152 | struct gcpro gcpro1, gcpro2; |
| 11153 | |
| 11154 | /* Return quickly if nothing to do. */ |
| 11155 | if (NILP (tip_timer) && NILP (tip_frame)) |
| 11156 | return Qnil; |
| 11157 | |
| 11158 | frame = tip_frame; |
| 11159 | timer = tip_timer; |
| 11160 | GCPRO2 (frame, timer); |
| 11161 | tip_frame = tip_timer = deleted = Qnil; |
| 11162 | |
| 11163 | count = BINDING_STACK_SIZE (); |
| 11164 | specbind (Qinhibit_redisplay, Qt); |
| 11165 | specbind (Qinhibit_quit, Qt); |
| 11166 | |
| 11167 | if (!NILP (timer)) |
| 11168 | call1 (Qcancel_timer, timer); |
| 11169 | |
| 11170 | if (FRAMEP (frame)) |
| 11171 | { |
| 11172 | Fdelete_frame (frame, Qnil); |
| 11173 | deleted = Qt; |
| 11174 | |
| 11175 | #ifdef USE_LUCID |
| 11176 | /* Bloodcurdling hack alert: The Lucid menu bar widget's |
| 11177 | redisplay procedure is not called when a tip frame over menu |
| 11178 | items is unmapped. Redisplay the menu manually... */ |
| 11179 | { |
| 11180 | struct frame *f = SELECTED_FRAME (); |
| 11181 | Widget w = f->output_data.x->menubar_widget; |
| 11182 | extern void xlwmenu_redisplay P_ ((Widget)); |
| 11183 | |
| 11184 | if (!DoesSaveUnders (FRAME_X_DISPLAY_INFO (f)->screen) |
| 11185 | && w != NULL) |
| 11186 | { |
| 11187 | BLOCK_INPUT; |
| 11188 | xlwmenu_redisplay (w); |
| 11189 | UNBLOCK_INPUT; |
| 11190 | } |
| 11191 | } |
| 11192 | #endif /* USE_LUCID */ |
| 11193 | } |
| 11194 | |
| 11195 | UNGCPRO; |
| 11196 | return unbind_to (count, deleted); |
| 11197 | } |
| 11198 | |
| 11199 | |
| 11200 | \f |
| 11201 | /*********************************************************************** |
| 11202 | File selection dialog |
| 11203 | ***********************************************************************/ |
| 11204 | |
| 11205 | #ifdef USE_MOTIF |
| 11206 | |
| 11207 | /* Callback for "OK" and "Cancel" on file selection dialog. */ |
| 11208 | |
| 11209 | static void |
| 11210 | file_dialog_cb (widget, client_data, call_data) |
| 11211 | Widget widget; |
| 11212 | XtPointer call_data, client_data; |
| 11213 | { |
| 11214 | int *result = (int *) client_data; |
| 11215 | XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data; |
| 11216 | *result = cb->reason; |
| 11217 | } |
| 11218 | |
| 11219 | |
| 11220 | /* Callback for unmapping a file selection dialog. This is used to |
| 11221 | capture the case where a dialog is closed via a window manager's |
| 11222 | closer button, for example. Using a XmNdestroyCallback didn't work |
| 11223 | in this case. */ |
| 11224 | |
| 11225 | static void |
| 11226 | file_dialog_unmap_cb (widget, client_data, call_data) |
| 11227 | Widget widget; |
| 11228 | XtPointer call_data, client_data; |
| 11229 | { |
| 11230 | int *result = (int *) client_data; |
| 11231 | *result = XmCR_CANCEL; |
| 11232 | } |
| 11233 | |
| 11234 | |
| 11235 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, |
| 11236 | doc: /* Read file name, prompting with PROMPT in directory DIR. |
| 11237 | Use a file selection dialog. |
| 11238 | Select DEFAULT-FILENAME in the dialog's file selection box, if |
| 11239 | specified. Don't let the user enter a file name in the file |
| 11240 | selection dialog's entry field, if MUSTMATCH is non-nil. */) |
| 11241 | (prompt, dir, default_filename, mustmatch) |
| 11242 | Lisp_Object prompt, dir, default_filename, mustmatch; |
| 11243 | { |
| 11244 | int result; |
| 11245 | struct frame *f = SELECTED_FRAME (); |
| 11246 | Lisp_Object file = Qnil; |
| 11247 | Widget dialog, text, list, help; |
| 11248 | Arg al[10]; |
| 11249 | int ac = 0; |
| 11250 | extern XtAppContext Xt_app_con; |
| 11251 | XmString dir_xmstring, pattern_xmstring; |
| 11252 | int count = specpdl_ptr - specpdl; |
| 11253 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
| 11254 | |
| 11255 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); |
| 11256 | CHECK_STRING (prompt, 0); |
| 11257 | CHECK_STRING (dir, 1); |
| 11258 | |
| 11259 | /* Prevent redisplay. */ |
| 11260 | specbind (Qinhibit_redisplay, Qt); |
| 11261 | |
| 11262 | BLOCK_INPUT; |
| 11263 | |
| 11264 | /* Create the dialog with PROMPT as title, using DIR as initial |
| 11265 | directory and using "*" as pattern. */ |
| 11266 | dir = Fexpand_file_name (dir, Qnil); |
| 11267 | dir_xmstring = XmStringCreateLocalized (XSTRING (dir)->data); |
| 11268 | pattern_xmstring = XmStringCreateLocalized ("*"); |
| 11269 | |
| 11270 | XtSetArg (al[ac], XmNtitle, XSTRING (prompt)->data); ++ac; |
| 11271 | XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac; |
| 11272 | XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac; |
| 11273 | XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac; |
| 11274 | XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac; |
| 11275 | dialog = XmCreateFileSelectionDialog (f->output_data.x->widget, |
| 11276 | "fsb", al, ac); |
| 11277 | XmStringFree (dir_xmstring); |
| 11278 | XmStringFree (pattern_xmstring); |
| 11279 | |
| 11280 | /* Add callbacks for OK and Cancel. */ |
| 11281 | XtAddCallback (dialog, XmNokCallback, file_dialog_cb, |
| 11282 | (XtPointer) &result); |
| 11283 | XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb, |
| 11284 | (XtPointer) &result); |
| 11285 | XtAddCallback (dialog, XmNunmapCallback, file_dialog_unmap_cb, |
| 11286 | (XtPointer) &result); |
| 11287 | |
| 11288 | /* Disable the help button since we can't display help. */ |
| 11289 | help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); |
| 11290 | XtSetSensitive (help, False); |
| 11291 | |
| 11292 | /* Mark OK button as default. */ |
| 11293 | XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), |
| 11294 | XmNshowAsDefault, True, NULL); |
| 11295 | |
| 11296 | /* If MUSTMATCH is non-nil, disable the file entry field of the |
| 11297 | dialog, so that the user must select a file from the files list |
| 11298 | box. We can't remove it because we wouldn't have a way to get at |
| 11299 | the result file name, then. */ |
| 11300 | text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); |
| 11301 | if (!NILP (mustmatch)) |
| 11302 | { |
| 11303 | Widget label; |
| 11304 | label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL); |
| 11305 | XtSetSensitive (text, False); |
| 11306 | XtSetSensitive (label, False); |
| 11307 | } |
| 11308 | |
| 11309 | /* Manage the dialog, so that list boxes get filled. */ |
| 11310 | XtManageChild (dialog); |
| 11311 | |
| 11312 | /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME |
| 11313 | must include the path for this to work. */ |
| 11314 | list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); |
| 11315 | if (STRINGP (default_filename)) |
| 11316 | { |
| 11317 | XmString default_xmstring; |
| 11318 | int item_pos; |
| 11319 | |
| 11320 | default_xmstring |
| 11321 | = XmStringCreateLocalized (XSTRING (default_filename)->data); |
| 11322 | |
| 11323 | if (!XmListItemExists (list, default_xmstring)) |
| 11324 | { |
| 11325 | /* Add a new item if DEFAULT_FILENAME is not in the list. */ |
| 11326 | XmListAddItem (list, default_xmstring, 0); |
| 11327 | item_pos = 0; |
| 11328 | } |
| 11329 | else |
| 11330 | item_pos = XmListItemPos (list, default_xmstring); |
| 11331 | XmStringFree (default_xmstring); |
| 11332 | |
| 11333 | /* Select the item and scroll it into view. */ |
| 11334 | XmListSelectPos (list, item_pos, True); |
| 11335 | XmListSetPos (list, item_pos); |
| 11336 | } |
| 11337 | |
| 11338 | /* Process events until the user presses Cancel or OK. Block |
| 11339 | and unblock input here so that we get a chance of processing |
| 11340 | expose events. */ |
| 11341 | UNBLOCK_INPUT; |
| 11342 | result = 0; |
| 11343 | while (result == 0) |
| 11344 | { |
| 11345 | BLOCK_INPUT; |
| 11346 | XtAppProcessEvent (Xt_app_con, XtIMAll); |
| 11347 | UNBLOCK_INPUT; |
| 11348 | } |
| 11349 | BLOCK_INPUT; |
| 11350 | |
| 11351 | /* Get the result. */ |
| 11352 | if (result == XmCR_OK) |
| 11353 | { |
| 11354 | XmString text; |
| 11355 | String data; |
| 11356 | |
| 11357 | XtVaGetValues (dialog, XmNtextString, &text, NULL); |
| 11358 | XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data); |
| 11359 | XmStringFree (text); |
| 11360 | file = build_string (data); |
| 11361 | XtFree (data); |
| 11362 | } |
| 11363 | else |
| 11364 | file = Qnil; |
| 11365 | |
| 11366 | /* Clean up. */ |
| 11367 | XtUnmanageChild (dialog); |
| 11368 | XtDestroyWidget (dialog); |
| 11369 | UNBLOCK_INPUT; |
| 11370 | UNGCPRO; |
| 11371 | |
| 11372 | /* Make "Cancel" equivalent to C-g. */ |
| 11373 | if (NILP (file)) |
| 11374 | Fsignal (Qquit, Qnil); |
| 11375 | |
| 11376 | return unbind_to (count, file); |
| 11377 | } |
| 11378 | |
| 11379 | #endif /* USE_MOTIF */ |
| 11380 | |
| 11381 | |
| 11382 | \f |
| 11383 | /*********************************************************************** |
| 11384 | Keyboard |
| 11385 | ***********************************************************************/ |
| 11386 | |
| 11387 | #ifdef HAVE_XKBGETKEYBOARD |
| 11388 | #include <X11/XKBlib.h> |
| 11389 | #include <X11/keysym.h> |
| 11390 | #endif |
| 11391 | |
| 11392 | DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, |
| 11393 | Sx_backspace_delete_keys_p, 0, 1, 0, |
| 11394 | doc: /* Check if both Backspace and Delete keys are on the keyboard of FRAME. |
| 11395 | FRAME nil means use the selected frame. |
| 11396 | Value is t if we know that both keys are present, and are mapped to the |
| 11397 | usual X keysyms. */) |
| 11398 | (frame) |
| 11399 | Lisp_Object frame; |
| 11400 | { |
| 11401 | #ifdef HAVE_XKBGETKEYBOARD |
| 11402 | XkbDescPtr kb; |
| 11403 | struct frame *f = check_x_frame (frame); |
| 11404 | Display *dpy = FRAME_X_DISPLAY (f); |
| 11405 | Lisp_Object have_keys; |
| 11406 | int major, minor, op, event, error; |
| 11407 | |
| 11408 | BLOCK_INPUT; |
| 11409 | |
| 11410 | /* Check library version in case we're dynamically linked. */ |
| 11411 | major = XkbMajorVersion; |
| 11412 | minor = XkbMinorVersion; |
| 11413 | if (!XkbLibraryVersion (&major, &minor)) |
| 11414 | { |
| 11415 | UNBLOCK_INPUT; |
| 11416 | return Qnil; |
| 11417 | } |
| 11418 | |
| 11419 | /* Check that the server supports XKB. */ |
| 11420 | major = XkbMajorVersion; |
| 11421 | minor = XkbMinorVersion; |
| 11422 | if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) |
| 11423 | { |
| 11424 | UNBLOCK_INPUT; |
| 11425 | return Qnil; |
| 11426 | } |
| 11427 | |
| 11428 | have_keys = Qnil; |
| 11429 | kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd); |
| 11430 | if (kb) |
| 11431 | { |
| 11432 | int delete_keycode = 0, backspace_keycode = 0, i; |
| 11433 | |
| 11434 | if (XkbGetNames (dpy, XkbAllNamesMask, kb) == Success) |
| 11435 | { |
| 11436 | for (i = kb->min_key_code; |
| 11437 | (i < kb->max_key_code |
| 11438 | && (delete_keycode == 0 || backspace_keycode == 0)); |
| 11439 | ++i) |
| 11440 | { |
| 11441 | /* The XKB symbolic key names can be seen most easily in |
| 11442 | the PS file generated by `xkbprint -label name |
| 11443 | $DISPLAY'. */ |
| 11444 | if (bcmp ("DELE", kb->names->keys[i].name, 4) == 0) |
| 11445 | delete_keycode = i; |
| 11446 | else if (bcmp ("BKSP", kb->names->keys[i].name, 4) == 0) |
| 11447 | backspace_keycode = i; |
| 11448 | } |
| 11449 | |
| 11450 | XkbFreeNames (kb, 0, True); |
| 11451 | } |
| 11452 | |
| 11453 | XkbFreeClientMap (kb, 0, True); |
| 11454 | |
| 11455 | if (delete_keycode |
| 11456 | && backspace_keycode |
| 11457 | && XKeysymToKeycode (dpy, XK_Delete) == delete_keycode |
| 11458 | && XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode) |
| 11459 | have_keys = Qt; |
| 11460 | } |
| 11461 | UNBLOCK_INPUT; |
| 11462 | return have_keys; |
| 11463 | #else /* not HAVE_XKBGETKEYBOARD */ |
| 11464 | return Qnil; |
| 11465 | #endif /* not HAVE_XKBGETKEYBOARD */ |
| 11466 | } |
| 11467 | |
| 11468 | |
| 11469 | \f |
| 11470 | /*********************************************************************** |
| 11471 | Initialization |
| 11472 | ***********************************************************************/ |
| 11473 | |
| 11474 | void |
| 11475 | syms_of_xfns () |
| 11476 | { |
| 11477 | /* This is zero if not using X windows. */ |
| 11478 | x_in_use = 0; |
| 11479 | |
| 11480 | /* The section below is built by the lisp expression at the top of the file, |
| 11481 | just above where these variables are declared. */ |
| 11482 | /*&&& init symbols here &&&*/ |
| 11483 | Qauto_raise = intern ("auto-raise"); |
| 11484 | staticpro (&Qauto_raise); |
| 11485 | Qauto_lower = intern ("auto-lower"); |
| 11486 | staticpro (&Qauto_lower); |
| 11487 | Qbar = intern ("bar"); |
| 11488 | staticpro (&Qbar); |
| 11489 | Qborder_color = intern ("border-color"); |
| 11490 | staticpro (&Qborder_color); |
| 11491 | Qborder_width = intern ("border-width"); |
| 11492 | staticpro (&Qborder_width); |
| 11493 | Qbox = intern ("box"); |
| 11494 | staticpro (&Qbox); |
| 11495 | Qcursor_color = intern ("cursor-color"); |
| 11496 | staticpro (&Qcursor_color); |
| 11497 | Qcursor_type = intern ("cursor-type"); |
| 11498 | staticpro (&Qcursor_type); |
| 11499 | Qgeometry = intern ("geometry"); |
| 11500 | staticpro (&Qgeometry); |
| 11501 | Qicon_left = intern ("icon-left"); |
| 11502 | staticpro (&Qicon_left); |
| 11503 | Qicon_top = intern ("icon-top"); |
| 11504 | staticpro (&Qicon_top); |
| 11505 | Qicon_type = intern ("icon-type"); |
| 11506 | staticpro (&Qicon_type); |
| 11507 | Qicon_name = intern ("icon-name"); |
| 11508 | staticpro (&Qicon_name); |
| 11509 | Qinternal_border_width = intern ("internal-border-width"); |
| 11510 | staticpro (&Qinternal_border_width); |
| 11511 | Qleft = intern ("left"); |
| 11512 | staticpro (&Qleft); |
| 11513 | Qright = intern ("right"); |
| 11514 | staticpro (&Qright); |
| 11515 | Qmouse_color = intern ("mouse-color"); |
| 11516 | staticpro (&Qmouse_color); |
| 11517 | Qnone = intern ("none"); |
| 11518 | staticpro (&Qnone); |
| 11519 | Qparent_id = intern ("parent-id"); |
| 11520 | staticpro (&Qparent_id); |
| 11521 | Qscroll_bar_width = intern ("scroll-bar-width"); |
| 11522 | staticpro (&Qscroll_bar_width); |
| 11523 | Qsuppress_icon = intern ("suppress-icon"); |
| 11524 | staticpro (&Qsuppress_icon); |
| 11525 | Qundefined_color = intern ("undefined-color"); |
| 11526 | staticpro (&Qundefined_color); |
| 11527 | Qvertical_scroll_bars = intern ("vertical-scroll-bars"); |
| 11528 | staticpro (&Qvertical_scroll_bars); |
| 11529 | Qvisibility = intern ("visibility"); |
| 11530 | staticpro (&Qvisibility); |
| 11531 | Qwindow_id = intern ("window-id"); |
| 11532 | staticpro (&Qwindow_id); |
| 11533 | Qouter_window_id = intern ("outer-window-id"); |
| 11534 | staticpro (&Qouter_window_id); |
| 11535 | Qx_frame_parameter = intern ("x-frame-parameter"); |
| 11536 | staticpro (&Qx_frame_parameter); |
| 11537 | Qx_resource_name = intern ("x-resource-name"); |
| 11538 | staticpro (&Qx_resource_name); |
| 11539 | Quser_position = intern ("user-position"); |
| 11540 | staticpro (&Quser_position); |
| 11541 | Quser_size = intern ("user-size"); |
| 11542 | staticpro (&Quser_size); |
| 11543 | Qscroll_bar_foreground = intern ("scroll-bar-foreground"); |
| 11544 | staticpro (&Qscroll_bar_foreground); |
| 11545 | Qscroll_bar_background = intern ("scroll-bar-background"); |
| 11546 | staticpro (&Qscroll_bar_background); |
| 11547 | Qscreen_gamma = intern ("screen-gamma"); |
| 11548 | staticpro (&Qscreen_gamma); |
| 11549 | Qline_spacing = intern ("line-spacing"); |
| 11550 | staticpro (&Qline_spacing); |
| 11551 | Qcenter = intern ("center"); |
| 11552 | staticpro (&Qcenter); |
| 11553 | Qcompound_text = intern ("compound-text"); |
| 11554 | staticpro (&Qcompound_text); |
| 11555 | Qcancel_timer = intern ("cancel-timer"); |
| 11556 | staticpro (&Qcancel_timer); |
| 11557 | Qwait_for_wm = intern ("wait-for-wm"); |
| 11558 | staticpro (&Qwait_for_wm); |
| 11559 | /* This is the end of symbol initialization. */ |
| 11560 | |
| 11561 | /* Text property `display' should be nonsticky by default. */ |
| 11562 | Vtext_property_default_nonsticky |
| 11563 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); |
| 11564 | |
| 11565 | |
| 11566 | Qlaplace = intern ("laplace"); |
| 11567 | staticpro (&Qlaplace); |
| 11568 | Qemboss = intern ("emboss"); |
| 11569 | staticpro (&Qemboss); |
| 11570 | Qedge_detection = intern ("edge-detection"); |
| 11571 | staticpro (&Qedge_detection); |
| 11572 | Qheuristic = intern ("heuristic"); |
| 11573 | staticpro (&Qheuristic); |
| 11574 | QCmatrix = intern (":matrix"); |
| 11575 | staticpro (&QCmatrix); |
| 11576 | QCcolor_adjustment = intern (":color-adjustment"); |
| 11577 | staticpro (&QCcolor_adjustment); |
| 11578 | QCmask = intern (":mask"); |
| 11579 | staticpro (&QCmask); |
| 11580 | |
| 11581 | Qface_set_after_frame_default = intern ("face-set-after-frame-default"); |
| 11582 | staticpro (&Qface_set_after_frame_default); |
| 11583 | |
| 11584 | Fput (Qundefined_color, Qerror_conditions, |
| 11585 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); |
| 11586 | Fput (Qundefined_color, Qerror_message, |
| 11587 | build_string ("Undefined color")); |
| 11588 | |
| 11589 | init_x_parm_symbols (); |
| 11590 | |
| 11591 | DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, |
| 11592 | doc: /* Non-nil means always draw a cross over disabled images. |
| 11593 | Disabled images are those having an `:conversion disabled' property. |
| 11594 | A cross is always drawn on black & white displays. */); |
| 11595 | cross_disabled_images = 0; |
| 11596 | |
| 11597 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
| 11598 | doc: /* List of directories to search for bitmap files for X. */); |
| 11599 | Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); |
| 11600 | |
| 11601 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
| 11602 | doc: /* The shape of the pointer when over text. |
| 11603 | Changing the value does not affect existing frames |
| 11604 | unless you set the mouse color. */); |
| 11605 | Vx_pointer_shape = Qnil; |
| 11606 | |
| 11607 | DEFVAR_LISP ("x-resource-name", &Vx_resource_name, |
| 11608 | doc: /* The name Emacs uses to look up X resources. |
| 11609 | `x-get-resource' uses this as the first component of the instance name |
| 11610 | when requesting resource values. |
| 11611 | Emacs initially sets `x-resource-name' to the name under which Emacs |
| 11612 | was invoked, or to the value specified with the `-name' or `-rn' |
| 11613 | switches, if present. |
| 11614 | |
| 11615 | It may be useful to bind this variable locally around a call |
| 11616 | to `x-get-resource'. See also the variable `x-resource-class'. */); |
| 11617 | Vx_resource_name = Qnil; |
| 11618 | |
| 11619 | DEFVAR_LISP ("x-resource-class", &Vx_resource_class, |
| 11620 | doc: /* The class Emacs uses to look up X resources. |
| 11621 | `x-get-resource' uses this as the first component of the instance class |
| 11622 | when requesting resource values. |
| 11623 | |
| 11624 | Emacs initially sets `x-resource-class' to "Emacs". |
| 11625 | |
| 11626 | Setting this variable permanently is not a reasonable thing to do, |
| 11627 | but binding this variable locally around a call to `x-get-resource' |
| 11628 | is a reasonable practice. See also the variable `x-resource-name'. */); |
| 11629 | Vx_resource_class = build_string (EMACS_CLASS); |
| 11630 | |
| 11631 | #if 0 /* This doesn't really do anything. */ |
| 11632 | DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape, |
| 11633 | doc: /* The shape of the pointer when not over text. |
| 11634 | This variable takes effect when you create a new frame |
| 11635 | or when you set the mouse color. */); |
| 11636 | #endif |
| 11637 | Vx_nontext_pointer_shape = Qnil; |
| 11638 | |
| 11639 | DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape, |
| 11640 | doc: /* The shape of the pointer when Emacs is busy. |
| 11641 | This variable takes effect when you create a new frame |
| 11642 | or when you set the mouse color. */); |
| 11643 | Vx_hourglass_pointer_shape = Qnil; |
| 11644 | |
| 11645 | DEFVAR_BOOL ("display-hourglass", &display_hourglass_p, |
| 11646 | doc: /* Non-zero means Emacs displays an hourglass pointer on window systems. */); |
| 11647 | display_hourglass_p = 1; |
| 11648 | |
| 11649 | DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay, |
| 11650 | doc: /* *Seconds to wait before displaying an hourglass pointer. |
| 11651 | Value must be an integer or float. */); |
| 11652 | Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY); |
| 11653 | |
| 11654 | #if 0 /* This doesn't really do anything. */ |
| 11655 | DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape, |
| 11656 | doc: /* The shape of the pointer when over the mode line. |
| 11657 | This variable takes effect when you create a new frame |
| 11658 | or when you set the mouse color. */); |
| 11659 | #endif |
| 11660 | Vx_mode_pointer_shape = Qnil; |
| 11661 | |
| 11662 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
| 11663 | &Vx_sensitive_text_pointer_shape, |
| 11664 | doc: /* The shape of the pointer when over mouse-sensitive text. |
| 11665 | This variable takes effect when you create a new frame |
| 11666 | or when you set the mouse color. */); |
| 11667 | Vx_sensitive_text_pointer_shape = Qnil; |
| 11668 | |
| 11669 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
| 11670 | &Vx_window_horizontal_drag_shape, |
| 11671 | doc: /* Pointer shape to use for indicating a window can be dragged horizontally. |
| 11672 | This variable takes effect when you create a new frame |
| 11673 | or when you set the mouse color. */); |
| 11674 | Vx_window_horizontal_drag_shape = Qnil; |
| 11675 | |
| 11676 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
| 11677 | doc: /* A string indicating the foreground color of the cursor box. */); |
| 11678 | Vx_cursor_fore_pixel = Qnil; |
| 11679 | |
| 11680 | DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size, |
| 11681 | doc: /* Maximum size for tooltips. Value is a pair (COLUMNS . ROWS). |
| 11682 | Text larger than this is clipped. */); |
| 11683 | Vx_max_tooltip_size = Fcons (make_number (80), make_number (40)); |
| 11684 | |
| 11685 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
| 11686 | doc: /* Non-nil if no X window manager is in use. |
| 11687 | Emacs doesn't try to figure this out; this is always nil |
| 11688 | unless you set it to something else. */); |
| 11689 | /* We don't have any way to find this out, so set it to nil |
| 11690 | and maybe the user would like to set it to t. */ |
| 11691 | Vx_no_window_manager = Qnil; |
| 11692 | |
| 11693 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
| 11694 | &Vx_pixel_size_width_font_regexp, |
| 11695 | doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. |
| 11696 | |
| 11697 | Since Emacs gets width of a font matching with this regexp from |
| 11698 | PIXEL_SIZE field of the name, font finding mechanism gets faster for |
| 11699 | such a font. This is especially effective for such large fonts as |
| 11700 | Chinese, Japanese, and Korean. */); |
| 11701 | Vx_pixel_size_width_font_regexp = Qnil; |
| 11702 | |
| 11703 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
| 11704 | doc: /* Time after which cached images are removed from the cache. |
| 11705 | When an image has not been displayed this many seconds, remove it |
| 11706 | from the image cache. Value must be an integer or nil with nil |
| 11707 | meaning don't clear the cache. */); |
| 11708 | Vimage_cache_eviction_delay = make_number (30 * 60); |
| 11709 | |
| 11710 | #ifdef USE_X_TOOLKIT |
| 11711 | Fprovide (intern ("x-toolkit"), Qnil); |
| 11712 | #ifdef USE_MOTIF |
| 11713 | Fprovide (intern ("motif"), Qnil); |
| 11714 | |
| 11715 | DEFVAR_LISP ("motif-version-string", &Vmotif_version_string, |
| 11716 | doc: /* Version info for LessTif/Motif. */); |
| 11717 | Vmotif_version_string = build_string (XmVERSION_STRING); |
| 11718 | #endif /* USE_MOTIF */ |
| 11719 | #endif /* USE_X_TOOLKIT */ |
| 11720 | |
| 11721 | defsubr (&Sx_get_resource); |
| 11722 | |
| 11723 | /* X window properties. */ |
| 11724 | defsubr (&Sx_change_window_property); |
| 11725 | defsubr (&Sx_delete_window_property); |
| 11726 | defsubr (&Sx_window_property); |
| 11727 | |
| 11728 | defsubr (&Sxw_display_color_p); |
| 11729 | defsubr (&Sx_display_grayscale_p); |
| 11730 | defsubr (&Sxw_color_defined_p); |
| 11731 | defsubr (&Sxw_color_values); |
| 11732 | defsubr (&Sx_server_max_request_size); |
| 11733 | defsubr (&Sx_server_vendor); |
| 11734 | defsubr (&Sx_server_version); |
| 11735 | defsubr (&Sx_display_pixel_width); |
| 11736 | defsubr (&Sx_display_pixel_height); |
| 11737 | defsubr (&Sx_display_mm_width); |
| 11738 | defsubr (&Sx_display_mm_height); |
| 11739 | defsubr (&Sx_display_screens); |
| 11740 | defsubr (&Sx_display_planes); |
| 11741 | defsubr (&Sx_display_color_cells); |
| 11742 | defsubr (&Sx_display_visual_class); |
| 11743 | defsubr (&Sx_display_backing_store); |
| 11744 | defsubr (&Sx_display_save_under); |
| 11745 | defsubr (&Sx_parse_geometry); |
| 11746 | defsubr (&Sx_create_frame); |
| 11747 | defsubr (&Sx_open_connection); |
| 11748 | defsubr (&Sx_close_connection); |
| 11749 | defsubr (&Sx_display_list); |
| 11750 | defsubr (&Sx_synchronize); |
| 11751 | defsubr (&Sx_focus_frame); |
| 11752 | defsubr (&Sx_backspace_delete_keys_p); |
| 11753 | |
| 11754 | /* Setting callback functions for fontset handler. */ |
| 11755 | get_font_info_func = x_get_font_info; |
| 11756 | |
| 11757 | #if 0 /* This function pointer doesn't seem to be used anywhere. |
| 11758 | And the pointer assigned has the wrong type, anyway. */ |
| 11759 | list_fonts_func = x_list_fonts; |
| 11760 | #endif |
| 11761 | |
| 11762 | load_font_func = x_load_font; |
| 11763 | find_ccl_program_func = x_find_ccl_program; |
| 11764 | query_font_func = x_query_font; |
| 11765 | set_frame_fontset_func = x_set_font; |
| 11766 | check_window_system_func = check_x; |
| 11767 | |
| 11768 | /* Images. */ |
| 11769 | Qxbm = intern ("xbm"); |
| 11770 | staticpro (&Qxbm); |
| 11771 | QCtype = intern (":type"); |
| 11772 | staticpro (&QCtype); |
| 11773 | QCconversion = intern (":conversion"); |
| 11774 | staticpro (&QCconversion); |
| 11775 | QCheuristic_mask = intern (":heuristic-mask"); |
| 11776 | staticpro (&QCheuristic_mask); |
| 11777 | QCcolor_symbols = intern (":color-symbols"); |
| 11778 | staticpro (&QCcolor_symbols); |
| 11779 | QCascent = intern (":ascent"); |
| 11780 | staticpro (&QCascent); |
| 11781 | QCmargin = intern (":margin"); |
| 11782 | staticpro (&QCmargin); |
| 11783 | QCrelief = intern (":relief"); |
| 11784 | staticpro (&QCrelief); |
| 11785 | Qpostscript = intern ("postscript"); |
| 11786 | staticpro (&Qpostscript); |
| 11787 | QCloader = intern (":loader"); |
| 11788 | staticpro (&QCloader); |
| 11789 | QCbounding_box = intern (":bounding-box"); |
| 11790 | staticpro (&QCbounding_box); |
| 11791 | QCpt_width = intern (":pt-width"); |
| 11792 | staticpro (&QCpt_width); |
| 11793 | QCpt_height = intern (":pt-height"); |
| 11794 | staticpro (&QCpt_height); |
| 11795 | QCindex = intern (":index"); |
| 11796 | staticpro (&QCindex); |
| 11797 | Qpbm = intern ("pbm"); |
| 11798 | staticpro (&Qpbm); |
| 11799 | |
| 11800 | #if HAVE_XPM |
| 11801 | Qxpm = intern ("xpm"); |
| 11802 | staticpro (&Qxpm); |
| 11803 | #endif |
| 11804 | |
| 11805 | #if HAVE_JPEG |
| 11806 | Qjpeg = intern ("jpeg"); |
| 11807 | staticpro (&Qjpeg); |
| 11808 | #endif |
| 11809 | |
| 11810 | #if HAVE_TIFF |
| 11811 | Qtiff = intern ("tiff"); |
| 11812 | staticpro (&Qtiff); |
| 11813 | #endif |
| 11814 | |
| 11815 | #if HAVE_GIF |
| 11816 | Qgif = intern ("gif"); |
| 11817 | staticpro (&Qgif); |
| 11818 | #endif |
| 11819 | |
| 11820 | #if HAVE_PNG |
| 11821 | Qpng = intern ("png"); |
| 11822 | staticpro (&Qpng); |
| 11823 | #endif |
| 11824 | |
| 11825 | defsubr (&Sclear_image_cache); |
| 11826 | defsubr (&Simage_size); |
| 11827 | defsubr (&Simage_mask_p); |
| 11828 | |
| 11829 | hourglass_atimer = NULL; |
| 11830 | hourglass_shown_p = 0; |
| 11831 | |
| 11832 | defsubr (&Sx_show_tip); |
| 11833 | defsubr (&Sx_hide_tip); |
| 11834 | tip_timer = Qnil; |
| 11835 | staticpro (&tip_timer); |
| 11836 | tip_frame = Qnil; |
| 11837 | staticpro (&tip_frame); |
| 11838 | |
| 11839 | last_show_tip_args = Qnil; |
| 11840 | staticpro (&last_show_tip_args); |
| 11841 | |
| 11842 | #ifdef USE_MOTIF |
| 11843 | defsubr (&Sx_file_dialog); |
| 11844 | #endif |
| 11845 | } |
| 11846 | |
| 11847 | |
| 11848 | void |
| 11849 | init_xfns () |
| 11850 | { |
| 11851 | image_types = NULL; |
| 11852 | Vimage_types = Qnil; |
| 11853 | |
| 11854 | define_image_type (&xbm_type); |
| 11855 | define_image_type (&gs_type); |
| 11856 | define_image_type (&pbm_type); |
| 11857 | |
| 11858 | #if HAVE_XPM |
| 11859 | define_image_type (&xpm_type); |
| 11860 | #endif |
| 11861 | |
| 11862 | #if HAVE_JPEG |
| 11863 | define_image_type (&jpeg_type); |
| 11864 | #endif |
| 11865 | |
| 11866 | #if HAVE_TIFF |
| 11867 | define_image_type (&tiff_type); |
| 11868 | #endif |
| 11869 | |
| 11870 | #if HAVE_GIF |
| 11871 | define_image_type (&gif_type); |
| 11872 | #endif |
| 11873 | |
| 11874 | #if HAVE_PNG |
| 11875 | define_image_type (&png_type); |
| 11876 | #endif |
| 11877 | } |
| 11878 | |
| 11879 | #endif /* HAVE_X_WINDOWS */ |