| 1 | /* Implementation of GUI terminal on the Microsoft Windows API. |
| 2 | |
| 3 | Copyright (C) 1989, 1993-2013 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) 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. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <config.h> |
| 21 | #include <signal.h> |
| 22 | #include <stdio.h> |
| 23 | #include "lisp.h" |
| 24 | #include "blockinput.h" |
| 25 | #include "w32term.h" |
| 26 | |
| 27 | #include "systty.h" |
| 28 | #include "systime.h" |
| 29 | |
| 30 | #include <ctype.h> |
| 31 | #include <errno.h> |
| 32 | #include <sys/stat.h> |
| 33 | #include <imm.h> |
| 34 | |
| 35 | #include "charset.h" |
| 36 | #include "character.h" |
| 37 | #include "coding.h" |
| 38 | #include "ccl.h" |
| 39 | #include "frame.h" |
| 40 | #include "dispextern.h" |
| 41 | #include "fontset.h" |
| 42 | #include "termhooks.h" |
| 43 | #include "termopts.h" |
| 44 | #include "termchar.h" |
| 45 | #include "disptab.h" |
| 46 | #include "buffer.h" |
| 47 | #include "window.h" |
| 48 | #include "keyboard.h" |
| 49 | #include "intervals.h" |
| 50 | #include "process.h" |
| 51 | #include "atimer.h" |
| 52 | #include "keymap.h" |
| 53 | |
| 54 | #ifdef WINDOWSNT |
| 55 | #include "w32.h" /* for filename_from_utf16, filename_from_ansi */ |
| 56 | #include "w32heap.h" |
| 57 | #endif |
| 58 | |
| 59 | #ifndef WINDOWSNT |
| 60 | #include <io.h> /* for get_osfhandle */ |
| 61 | #endif |
| 62 | |
| 63 | #include <shellapi.h> |
| 64 | |
| 65 | #include "font.h" |
| 66 | #include "w32font.h" |
| 67 | \f |
| 68 | /* Fringe bitmaps. */ |
| 69 | |
| 70 | static int max_fringe_bmp = 0; |
| 71 | static HBITMAP *fringe_bmp = 0; |
| 72 | |
| 73 | /* Temporary variables for w32_read_socket. */ |
| 74 | |
| 75 | static int last_mousemove_x = 0; |
| 76 | static int last_mousemove_y = 0; |
| 77 | |
| 78 | /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */ |
| 79 | #ifndef GET_WHEEL_DELTA_WPARAM |
| 80 | #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam)) |
| 81 | #endif |
| 82 | |
| 83 | /* Non-zero means that a HELP_EVENT has been generated since Emacs |
| 84 | start. */ |
| 85 | |
| 86 | static int any_help_event_p; |
| 87 | |
| 88 | extern unsigned int msh_mousewheel; |
| 89 | |
| 90 | extern void free_frame_menubar (struct frame *); |
| 91 | |
| 92 | extern int w32_codepage_for_font (char *fontname); |
| 93 | extern Cursor w32_load_cursor (LPCTSTR name); |
| 94 | |
| 95 | #define x_any_window_to_frame x_window_to_frame |
| 96 | #define x_top_window_to_frame x_window_to_frame |
| 97 | |
| 98 | \f |
| 99 | /* This is display since w32 does not support multiple ones. */ |
| 100 | struct w32_display_info one_w32_display_info; |
| 101 | struct w32_display_info *x_display_list; |
| 102 | |
| 103 | #if _WIN32_WINNT < 0x0500 && !defined(_W64) |
| 104 | /* Pre Windows 2000, this was not available, but define it here so |
| 105 | that Emacs compiled on such a platform will run on newer versions. |
| 106 | MinGW64 (_W64) defines these unconditionally, so avoid redefining. */ |
| 107 | |
| 108 | typedef struct tagWCRANGE |
| 109 | { |
| 110 | WCHAR wcLow; |
| 111 | USHORT cGlyphs; |
| 112 | } WCRANGE; |
| 113 | |
| 114 | typedef struct tagGLYPHSET |
| 115 | { |
| 116 | DWORD cbThis; |
| 117 | DWORD flAccel; |
| 118 | DWORD cGlyphsSupported; |
| 119 | DWORD cRanges; |
| 120 | WCRANGE ranges[1]; |
| 121 | } GLYPHSET; |
| 122 | |
| 123 | #endif /* compiling for pre-Win2k */ |
| 124 | |
| 125 | /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */ |
| 126 | BOOL (WINAPI *pfnSetLayeredWindowAttributes) (HWND, COLORREF, BYTE, DWORD); |
| 127 | |
| 128 | #ifndef LWA_ALPHA |
| 129 | #define LWA_ALPHA 0x02 |
| 130 | #endif |
| 131 | /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and |
| 132 | later targets by MSVC headers. */ |
| 133 | #ifndef WS_EX_LAYERED |
| 134 | #define WS_EX_LAYERED 0x80000 |
| 135 | #endif |
| 136 | |
| 137 | /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and |
| 138 | NT4. */ |
| 139 | #ifndef SM_CXVIRTUALSCREEN |
| 140 | #define SM_CXVIRTUALSCREEN 78 |
| 141 | #endif |
| 142 | #ifndef SM_CYVIRTUALSCREEN |
| 143 | #define SM_CYVIRTUALSCREEN 79 |
| 144 | #endif |
| 145 | |
| 146 | /* The handle of the frame that currently owns the system caret. */ |
| 147 | HWND w32_system_caret_hwnd; |
| 148 | int w32_system_caret_height; |
| 149 | int w32_system_caret_x; |
| 150 | int w32_system_caret_y; |
| 151 | struct window *w32_system_caret_window; |
| 152 | int w32_system_caret_hdr_height; |
| 153 | int w32_system_caret_mode_height; |
| 154 | DWORD dwWindowsThreadId = 0; |
| 155 | HANDLE hWindowsThread = NULL; |
| 156 | DWORD dwMainThreadId = 0; |
| 157 | HANDLE hMainThread = NULL; |
| 158 | |
| 159 | int vertical_scroll_bar_min_handle; |
| 160 | int vertical_scroll_bar_top_border; |
| 161 | int vertical_scroll_bar_bottom_border; |
| 162 | |
| 163 | int last_scroll_bar_drag_pos; |
| 164 | |
| 165 | /* Keyboard code page - may be changed by language-change events. */ |
| 166 | int w32_keyboard_codepage; |
| 167 | |
| 168 | /* Incremented by w32_read_socket whenever it really tries to read |
| 169 | events. */ |
| 170 | static int volatile input_signal_count; |
| 171 | |
| 172 | #ifdef CYGWIN |
| 173 | int w32_message_fd = -1; |
| 174 | #endif /* CYGWIN */ |
| 175 | |
| 176 | static void w32_handle_tool_bar_click (struct frame *, |
| 177 | struct input_event *); |
| 178 | static void w32_define_cursor (Window, Cursor); |
| 179 | |
| 180 | void x_lower_frame (struct frame *); |
| 181 | void x_scroll_bar_clear (struct frame *); |
| 182 | void x_wm_set_size_hint (struct frame *, long, bool); |
| 183 | void x_raise_frame (struct frame *); |
| 184 | void x_set_window_size (struct frame *, int, int, int, bool); |
| 185 | void x_wm_set_window_state (struct frame *, int); |
| 186 | void x_wm_set_icon_pixmap (struct frame *, int); |
| 187 | static void w32_initialize (void); |
| 188 | static void x_update_end (struct frame *); |
| 189 | static void w32_frame_up_to_date (struct frame *); |
| 190 | static void x_clear_frame (struct frame *); |
| 191 | static void frame_highlight (struct frame *); |
| 192 | static void frame_unhighlight (struct frame *); |
| 193 | static void x_new_focus_frame (struct w32_display_info *, |
| 194 | struct frame *); |
| 195 | static void x_focus_changed (int, int, struct w32_display_info *, |
| 196 | struct frame *, struct input_event *); |
| 197 | static void w32_detect_focus_change (struct w32_display_info *, |
| 198 | W32Msg *, struct input_event *); |
| 199 | static void w32_frame_rehighlight (struct frame *); |
| 200 | static void x_frame_rehighlight (struct w32_display_info *); |
| 201 | static void x_draw_hollow_cursor (struct window *, struct glyph_row *); |
| 202 | static void x_draw_bar_cursor (struct window *, struct glyph_row *, int, |
| 203 | enum text_cursor_kinds); |
| 204 | static void w32_clip_to_row (struct window *, struct glyph_row *, |
| 205 | enum glyph_row_area, HDC); |
| 206 | static BOOL my_show_window (struct frame *, HWND, int); |
| 207 | static void my_set_window_pos (HWND, HWND, int, int, int, int, UINT); |
| 208 | #if 0 |
| 209 | static void my_set_focus (struct frame *, HWND); |
| 210 | #endif |
| 211 | static void my_set_foreground_window (HWND); |
| 212 | static void my_destroy_window (struct frame *, HWND); |
| 213 | static void w32fullscreen_hook (struct frame *); |
| 214 | |
| 215 | #ifdef GLYPH_DEBUG |
| 216 | static void x_check_font (struct frame *, struct font *); |
| 217 | #endif |
| 218 | |
| 219 | static Lisp_Object Qvendor_specific_keysyms; |
| 220 | static Lisp_Object Qadded, Qremoved, Qmodified; |
| 221 | static Lisp_Object Qrenamed_from, Qrenamed_to; |
| 222 | |
| 223 | \f |
| 224 | /*********************************************************************** |
| 225 | Debugging |
| 226 | ***********************************************************************/ |
| 227 | |
| 228 | #if 0 |
| 229 | |
| 230 | /* This is a function useful for recording debugging information about |
| 231 | the sequence of occurrences in this file. */ |
| 232 | |
| 233 | struct record |
| 234 | { |
| 235 | char *locus; |
| 236 | int type; |
| 237 | }; |
| 238 | |
| 239 | struct record event_record[100]; |
| 240 | |
| 241 | int event_record_index; |
| 242 | |
| 243 | record_event (char *locus, int type) |
| 244 | { |
| 245 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) |
| 246 | event_record_index = 0; |
| 247 | |
| 248 | event_record[event_record_index].locus = locus; |
| 249 | event_record[event_record_index].type = type; |
| 250 | event_record_index++; |
| 251 | } |
| 252 | |
| 253 | #endif /* 0 */ |
| 254 | \f |
| 255 | |
| 256 | void |
| 257 | XChangeGC (void *ignore, XGCValues *gc, unsigned long mask, |
| 258 | XGCValues *xgcv) |
| 259 | { |
| 260 | if (mask & GCForeground) |
| 261 | gc->foreground = xgcv->foreground; |
| 262 | if (mask & GCBackground) |
| 263 | gc->background = xgcv->background; |
| 264 | if (mask & GCFont) |
| 265 | gc->font = xgcv->font; |
| 266 | } |
| 267 | |
| 268 | XGCValues * |
| 269 | XCreateGC (void *ignore, Window window, unsigned long mask, XGCValues *xgcv) |
| 270 | { |
| 271 | XGCValues *gc = xzalloc (sizeof (XGCValues)); |
| 272 | |
| 273 | XChangeGC (ignore, gc, mask, xgcv); |
| 274 | |
| 275 | return gc; |
| 276 | } |
| 277 | |
| 278 | void |
| 279 | XGetGCValues (void *ignore, XGCValues *gc, |
| 280 | unsigned long mask, XGCValues *xgcv) |
| 281 | { |
| 282 | XChangeGC (ignore, xgcv, mask, gc); |
| 283 | } |
| 284 | |
| 285 | static void |
| 286 | w32_set_clip_rectangle (HDC hdc, RECT *rect) |
| 287 | { |
| 288 | if (rect) |
| 289 | { |
| 290 | HRGN clip_region = CreateRectRgnIndirect (rect); |
| 291 | SelectClipRgn (hdc, clip_region); |
| 292 | DeleteObject (clip_region); |
| 293 | } |
| 294 | else |
| 295 | SelectClipRgn (hdc, NULL); |
| 296 | } |
| 297 | |
| 298 | /* Restore clipping rectangle in S */ |
| 299 | static void |
| 300 | w32_restore_glyph_string_clip (struct glyph_string *s) |
| 301 | { |
| 302 | RECT *r = s->clip; |
| 303 | int n = s->num_clips; |
| 304 | |
| 305 | if (n == 1) |
| 306 | w32_set_clip_rectangle (s->hdc, r); |
| 307 | else if (n > 1) |
| 308 | { |
| 309 | HRGN clip1 = CreateRectRgnIndirect (r); |
| 310 | HRGN clip2 = CreateRectRgnIndirect (r + 1); |
| 311 | if (CombineRgn (clip1, clip1, clip2, RGN_OR) != ERROR) |
| 312 | SelectClipRgn (s->hdc, clip1); |
| 313 | DeleteObject (clip1); |
| 314 | DeleteObject (clip2); |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | /* |
| 319 | Draw a wavy line under S. The wave fills wave_height pixels from y0. |
| 320 | |
| 321 | x0 wave_length = 2 |
| 322 | -- |
| 323 | y0 * * * * * |
| 324 | |* * * * * * * * * |
| 325 | wave_height = 3 | * * * * |
| 326 | |
| 327 | */ |
| 328 | |
| 329 | void |
| 330 | w32_draw_underwave (struct glyph_string *s, COLORREF color) |
| 331 | { |
| 332 | int wave_height = 3, wave_length = 2; |
| 333 | int dx, dy, x0, y0, width, x1, y1, x2, y2, odd, xmax; |
| 334 | XRectangle wave_clip, string_clip, final_clip; |
| 335 | RECT w32_final_clip, w32_string_clip; |
| 336 | HPEN hp, oldhp; |
| 337 | |
| 338 | dx = wave_length; |
| 339 | dy = wave_height - 1; |
| 340 | x0 = s->x; |
| 341 | y0 = s->ybase - wave_height + 3; |
| 342 | width = s->width; |
| 343 | xmax = x0 + width; |
| 344 | |
| 345 | /* Find and set clipping rectangle */ |
| 346 | |
| 347 | wave_clip.x = x0; |
| 348 | wave_clip.y = y0; |
| 349 | wave_clip.width = width; |
| 350 | wave_clip.height = wave_height; |
| 351 | |
| 352 | get_glyph_string_clip_rect (s, &w32_string_clip); |
| 353 | CONVERT_TO_XRECT (string_clip, w32_string_clip); |
| 354 | |
| 355 | if (!x_intersect_rectangles (&wave_clip, &string_clip, &final_clip)) |
| 356 | return; |
| 357 | |
| 358 | hp = CreatePen (PS_SOLID, 0, color); |
| 359 | oldhp = SelectObject (s->hdc, hp); |
| 360 | CONVERT_FROM_XRECT (final_clip, w32_final_clip); |
| 361 | w32_set_clip_rectangle (s->hdc, &w32_final_clip); |
| 362 | |
| 363 | /* Draw the waves */ |
| 364 | |
| 365 | x1 = x0 - (x0 % dx); |
| 366 | x2 = x1 + dx; |
| 367 | odd = (x1/dx) % 2; |
| 368 | y1 = y2 = y0; |
| 369 | |
| 370 | if (odd) |
| 371 | y1 += dy; |
| 372 | else |
| 373 | y2 += dy; |
| 374 | |
| 375 | MoveToEx (s->hdc, x1, y1, NULL); |
| 376 | |
| 377 | while (x1 <= xmax) |
| 378 | { |
| 379 | LineTo (s->hdc, x2, y2); |
| 380 | x1 = x2, y1 = y2; |
| 381 | x2 += dx, y2 = y0 + odd*dy; |
| 382 | odd = !odd; |
| 383 | } |
| 384 | |
| 385 | /* Restore previous pen and clipping rectangle(s) */ |
| 386 | w32_restore_glyph_string_clip (s); |
| 387 | SelectObject (s->hdc, oldhp); |
| 388 | DeleteObject (hp); |
| 389 | } |
| 390 | |
| 391 | /* Draw a hollow rectangle at the specified position. */ |
| 392 | void |
| 393 | w32_draw_rectangle (HDC hdc, XGCValues *gc, int x, int y, |
| 394 | int width, int height) |
| 395 | { |
| 396 | HBRUSH hb, oldhb; |
| 397 | HPEN hp, oldhp; |
| 398 | |
| 399 | hb = CreateSolidBrush (gc->background); |
| 400 | hp = CreatePen (PS_SOLID, 0, gc->foreground); |
| 401 | oldhb = SelectObject (hdc, hb); |
| 402 | oldhp = SelectObject (hdc, hp); |
| 403 | |
| 404 | Rectangle (hdc, x, y, x + width, y + height); |
| 405 | |
| 406 | SelectObject (hdc, oldhb); |
| 407 | SelectObject (hdc, oldhp); |
| 408 | DeleteObject (hb); |
| 409 | DeleteObject (hp); |
| 410 | } |
| 411 | |
| 412 | /* Draw a filled rectangle at the specified position. */ |
| 413 | void |
| 414 | w32_fill_rect (struct frame *f, HDC hdc, COLORREF pix, RECT *lprect) |
| 415 | { |
| 416 | HBRUSH hb; |
| 417 | |
| 418 | hb = CreateSolidBrush (pix); |
| 419 | FillRect (hdc, lprect, hb); |
| 420 | DeleteObject (hb); |
| 421 | } |
| 422 | |
| 423 | void |
| 424 | w32_clear_window (struct frame *f) |
| 425 | { |
| 426 | RECT rect; |
| 427 | HDC hdc = get_frame_dc (f); |
| 428 | |
| 429 | /* Under certain conditions, this can be called at startup with |
| 430 | a console frame pointer before the GUI frame is created. An HDC |
| 431 | of 0 indicates this. */ |
| 432 | if (hdc) |
| 433 | { |
| 434 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
| 435 | w32_clear_rect (f, hdc, &rect); |
| 436 | } |
| 437 | |
| 438 | release_frame_dc (f, hdc); |
| 439 | } |
| 440 | |
| 441 | #define OPAQUE_FRAME 255 |
| 442 | |
| 443 | void |
| 444 | x_set_frame_alpha (struct frame *f) |
| 445 | { |
| 446 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (f); |
| 447 | double alpha = 1.0; |
| 448 | double alpha_min = 1.0; |
| 449 | BYTE opac; |
| 450 | LONG ex_style; |
| 451 | HWND window = FRAME_W32_WINDOW (f); |
| 452 | |
| 453 | /* Older versions of Windows do not support transparency. */ |
| 454 | if (!pfnSetLayeredWindowAttributes) |
| 455 | return; |
| 456 | |
| 457 | if (dpyinfo->x_highlight_frame == f) |
| 458 | alpha = f->alpha[0]; |
| 459 | else |
| 460 | alpha = f->alpha[1]; |
| 461 | |
| 462 | if (FLOATP (Vframe_alpha_lower_limit)) |
| 463 | alpha_min = XFLOAT_DATA (Vframe_alpha_lower_limit); |
| 464 | else if (INTEGERP (Vframe_alpha_lower_limit)) |
| 465 | alpha_min = (XINT (Vframe_alpha_lower_limit)) / 100.0; |
| 466 | |
| 467 | if (alpha < 0.0) |
| 468 | return; |
| 469 | else if (alpha > 1.0) |
| 470 | alpha = 1.0; |
| 471 | else if (alpha < alpha_min && alpha_min <= 1.0) |
| 472 | alpha = alpha_min; |
| 473 | |
| 474 | opac = alpha * OPAQUE_FRAME; |
| 475 | |
| 476 | ex_style = GetWindowLong (window, GWL_EXSTYLE); |
| 477 | |
| 478 | if (opac == OPAQUE_FRAME) |
| 479 | ex_style &= ~WS_EX_LAYERED; |
| 480 | else |
| 481 | ex_style |= WS_EX_LAYERED; |
| 482 | |
| 483 | SetWindowLong (window, GWL_EXSTYLE, ex_style); |
| 484 | |
| 485 | if (opac != OPAQUE_FRAME) |
| 486 | pfnSetLayeredWindowAttributes (window, 0, opac, LWA_ALPHA); |
| 487 | } |
| 488 | |
| 489 | int |
| 490 | x_display_pixel_height (struct w32_display_info *dpyinfo) |
| 491 | { |
| 492 | int pixels = GetSystemMetrics (SM_CYVIRTUALSCREEN); |
| 493 | |
| 494 | if (pixels == 0) |
| 495 | /* Fallback for Windows 95 or NT 4.0. */ |
| 496 | pixels = GetSystemMetrics (SM_CYSCREEN); |
| 497 | |
| 498 | return pixels; |
| 499 | } |
| 500 | |
| 501 | int |
| 502 | x_display_pixel_width (struct w32_display_info *dpyinfo) |
| 503 | { |
| 504 | int pixels = GetSystemMetrics (SM_CXVIRTUALSCREEN); |
| 505 | |
| 506 | if (pixels == 0) |
| 507 | /* Fallback for Windows 95 or NT 4.0. */ |
| 508 | pixels = GetSystemMetrics (SM_CXSCREEN); |
| 509 | |
| 510 | return pixels; |
| 511 | } |
| 512 | |
| 513 | \f |
| 514 | /*********************************************************************** |
| 515 | Starting and ending an update |
| 516 | ***********************************************************************/ |
| 517 | |
| 518 | /* Start an update of frame F. This function is installed as a hook |
| 519 | for update_begin, i.e. it is called when update_begin is called. |
| 520 | This function is called prior to calls to x_update_window_begin for |
| 521 | each window being updated. */ |
| 522 | |
| 523 | static void |
| 524 | x_update_begin (struct frame *f) |
| 525 | { |
| 526 | struct w32_display_info *display_info = FRAME_DISPLAY_INFO (f); |
| 527 | |
| 528 | if (! FRAME_W32_P (f)) |
| 529 | return; |
| 530 | |
| 531 | /* Regenerate display palette before drawing if list of requested |
| 532 | colors has changed. */ |
| 533 | if (display_info->regen_palette) |
| 534 | { |
| 535 | w32_regenerate_palette (f); |
| 536 | display_info->regen_palette = FALSE; |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | |
| 541 | /* Start update of window W. */ |
| 542 | |
| 543 | static void |
| 544 | x_update_window_begin (struct window *w) |
| 545 | { |
| 546 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 547 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); |
| 548 | |
| 549 | /* Hide the system caret during an update. */ |
| 550 | if (w32_use_visible_system_caret && w32_system_caret_hwnd) |
| 551 | { |
| 552 | SendMessage (w32_system_caret_hwnd, WM_EMACS_HIDE_CARET, 0, 0); |
| 553 | } |
| 554 | |
| 555 | w->output_cursor = w->cursor; |
| 556 | |
| 557 | block_input (); |
| 558 | |
| 559 | if (f == hlinfo->mouse_face_mouse_frame) |
| 560 | { |
| 561 | /* Don't do highlighting for mouse motion during the update. */ |
| 562 | hlinfo->mouse_face_defer = 1; |
| 563 | |
| 564 | /* If F needs to be redrawn, simply forget about any prior mouse |
| 565 | highlighting. */ |
| 566 | if (FRAME_GARBAGED_P (f)) |
| 567 | hlinfo->mouse_face_window = Qnil; |
| 568 | |
| 569 | #if 0 /* Rows in a current matrix containing glyphs in mouse-face have |
| 570 | their mouse_face_p flag set, which means that they are always |
| 571 | unequal to rows in a desired matrix which never have that |
| 572 | flag set. So, rows containing mouse-face glyphs are never |
| 573 | scrolled, and we don't have to switch the mouse highlight off |
| 574 | here to prevent it from being scrolled. */ |
| 575 | |
| 576 | /* Can we tell that this update does not affect the window |
| 577 | where the mouse highlight is? If so, no need to turn off. |
| 578 | Likewise, don't do anything if the frame is garbaged; |
| 579 | in that case, the frame's current matrix that we would use |
| 580 | is all wrong, and we will redisplay that line anyway. */ |
| 581 | if (!NILP (hlinfo->mouse_face_window) |
| 582 | && w == XWINDOW (hlinfo->mouse_face_window)) |
| 583 | { |
| 584 | int i; |
| 585 | |
| 586 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
| 587 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) |
| 588 | break; |
| 589 | |
| 590 | if (i < w->desired_matrix->nrows) |
| 591 | clear_mouse_face (hlinfo); |
| 592 | } |
| 593 | #endif /* 0 */ |
| 594 | } |
| 595 | |
| 596 | unblock_input (); |
| 597 | } |
| 598 | |
| 599 | /* Draw a vertical window border from (x,y0) to (x,y1) */ |
| 600 | |
| 601 | static void |
| 602 | w32_draw_vertical_window_border (struct window *w, int x, int y0, int y1) |
| 603 | { |
| 604 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 605 | RECT r; |
| 606 | HDC hdc; |
| 607 | struct face *face; |
| 608 | |
| 609 | r.left = x; |
| 610 | r.right = x + 1; |
| 611 | r.top = y0; |
| 612 | r.bottom = y1; |
| 613 | |
| 614 | hdc = get_frame_dc (f); |
| 615 | face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID); |
| 616 | if (face) |
| 617 | w32_fill_rect (f, hdc, face->foreground, &r); |
| 618 | else |
| 619 | w32_fill_rect (f, hdc, FRAME_FOREGROUND_PIXEL (f), &r); |
| 620 | |
| 621 | release_frame_dc (f, hdc); |
| 622 | } |
| 623 | |
| 624 | |
| 625 | /* Draw a window divider from (x0, y0) to (x1, y1) */ |
| 626 | |
| 627 | static void |
| 628 | w32_draw_window_divider (struct window *w, int x0, int x1, int y0, int y1) |
| 629 | { |
| 630 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 631 | RECT r; |
| 632 | HDC hdc; |
| 633 | struct face *face; |
| 634 | |
| 635 | r.left = x0; |
| 636 | r.right = x1; |
| 637 | r.top = y0; |
| 638 | r.bottom = y1; |
| 639 | |
| 640 | hdc = get_frame_dc (f); |
| 641 | face = FACE_FROM_ID (f, WINDOW_DIVIDER_FACE_ID); |
| 642 | if (face) |
| 643 | w32_fill_rect (f, hdc, face->foreground, &r); |
| 644 | else |
| 645 | w32_fill_rect (f, hdc, FRAME_FOREGROUND_PIXEL (f), &r); |
| 646 | |
| 647 | release_frame_dc (f, hdc); |
| 648 | } |
| 649 | |
| 650 | |
| 651 | /* End update of window W. |
| 652 | |
| 653 | Draw vertical borders between horizontally adjacent windows, and |
| 654 | display W's cursor if CURSOR_ON_P is non-zero. |
| 655 | |
| 656 | MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing |
| 657 | glyphs in mouse-face were overwritten. In that case we have to |
| 658 | make sure that the mouse-highlight is properly redrawn. |
| 659 | |
| 660 | W may be a menu bar pseudo-window in case we don't have X toolkit |
| 661 | support. Such windows don't have a cursor, so don't display it |
| 662 | here. */ |
| 663 | |
| 664 | static void |
| 665 | x_update_window_end (struct window *w, bool cursor_on_p, |
| 666 | bool mouse_face_overwritten_p) |
| 667 | { |
| 668 | if (!w->pseudo_window_p) |
| 669 | { |
| 670 | block_input (); |
| 671 | |
| 672 | if (cursor_on_p) |
| 673 | display_and_set_cursor (w, 1, |
| 674 | w->output_cursor.hpos, w->output_cursor.vpos, |
| 675 | w->output_cursor.x, w->output_cursor.y); |
| 676 | |
| 677 | if (draw_window_fringes (w, 1)) |
| 678 | { |
| 679 | if (WINDOW_RIGHT_DIVIDER_WIDTH (w)) |
| 680 | x_draw_right_divider (w); |
| 681 | else |
| 682 | x_draw_vertical_border (w); |
| 683 | } |
| 684 | |
| 685 | unblock_input (); |
| 686 | } |
| 687 | |
| 688 | /* If a row with mouse-face was overwritten, arrange for |
| 689 | XTframe_up_to_date to redisplay the mouse highlight. */ |
| 690 | if (mouse_face_overwritten_p) |
| 691 | { |
| 692 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (XFRAME (w->frame)); |
| 693 | |
| 694 | hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1; |
| 695 | hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1; |
| 696 | hlinfo->mouse_face_window = Qnil; |
| 697 | } |
| 698 | |
| 699 | /* Unhide the caret. This won't actually show the cursor, unless it |
| 700 | was visible before the corresponding call to HideCaret in |
| 701 | x_update_window_begin. */ |
| 702 | if (w32_use_visible_system_caret && w32_system_caret_hwnd) |
| 703 | { |
| 704 | SendMessage (w32_system_caret_hwnd, WM_EMACS_SHOW_CARET, 0, 0); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | |
| 709 | /* End update of frame F. This function is installed as a hook in |
| 710 | update_end. */ |
| 711 | |
| 712 | static void |
| 713 | x_update_end (struct frame *f) |
| 714 | { |
| 715 | if (! FRAME_W32_P (f)) |
| 716 | return; |
| 717 | |
| 718 | /* Mouse highlight may be displayed again. */ |
| 719 | MOUSE_HL_INFO (f)->mouse_face_defer = 0; |
| 720 | } |
| 721 | |
| 722 | |
| 723 | /* This function is called from various places in xdisp.c |
| 724 | whenever a complete update has been performed. */ |
| 725 | |
| 726 | static void |
| 727 | w32_frame_up_to_date (struct frame *f) |
| 728 | { |
| 729 | if (FRAME_W32_P (f)) |
| 730 | FRAME_MOUSE_UPDATE (f); |
| 731 | } |
| 732 | |
| 733 | |
| 734 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay |
| 735 | arrow bitmaps, or clear the fringes if no bitmaps are required |
| 736 | before DESIRED_ROW is made current. This function is called from |
| 737 | update_window_line only if it is known that there are differences |
| 738 | between bitmaps to be drawn between current row and DESIRED_ROW. */ |
| 739 | |
| 740 | static void |
| 741 | x_after_update_window_line (struct window *w, struct glyph_row *desired_row) |
| 742 | { |
| 743 | struct frame *f; |
| 744 | int width, height; |
| 745 | |
| 746 | eassert (w); |
| 747 | |
| 748 | if (!desired_row->mode_line_p && !w->pseudo_window_p) |
| 749 | desired_row->redraw_fringe_bitmaps_p = 1; |
| 750 | |
| 751 | /* When a window has disappeared, make sure that no rest of |
| 752 | full-width rows stays visible in the internal border. Could |
| 753 | check here if updated window is the leftmost/rightmost window, |
| 754 | but I guess it's not worth doing since vertically split windows |
| 755 | are almost never used, internal border is rarely set, and the |
| 756 | overhead is very small. */ |
| 757 | if (windows_or_buffers_changed |
| 758 | && desired_row->full_width_p |
| 759 | && (f = XFRAME (w->frame), |
| 760 | width = FRAME_INTERNAL_BORDER_WIDTH (f), |
| 761 | width != 0) |
| 762 | && (height = desired_row->visible_height, |
| 763 | height > 0)) |
| 764 | { |
| 765 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); |
| 766 | |
| 767 | block_input (); |
| 768 | { |
| 769 | HDC hdc = get_frame_dc (f); |
| 770 | w32_clear_area (f, hdc, 0, y, width, height); |
| 771 | w32_clear_area (f, hdc, FRAME_PIXEL_WIDTH (f) - width, |
| 772 | y, width, height); |
| 773 | release_frame_dc (f, hdc); |
| 774 | } |
| 775 | unblock_input (); |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | |
| 780 | /* Draw the bitmap WHICH in one of the left or right fringes of |
| 781 | window W. ROW is the glyph row for which to display the bitmap; it |
| 782 | determines the vertical position at which the bitmap has to be |
| 783 | drawn. */ |
| 784 | |
| 785 | static void |
| 786 | w32_draw_fringe_bitmap (struct window *w, struct glyph_row *row, |
| 787 | struct draw_fringe_bitmap_params *p) |
| 788 | { |
| 789 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 790 | HDC hdc; |
| 791 | struct face *face = p->face; |
| 792 | |
| 793 | hdc = get_frame_dc (f); |
| 794 | |
| 795 | if (!p->overlay_p) |
| 796 | { |
| 797 | int bx = p->bx, by = p->by, nx = p->nx, ny = p->ny; |
| 798 | |
| 799 | /* If the fringe is adjacent to the left (right) scroll bar of a |
| 800 | leftmost (rightmost, respectively) window, then extend its |
| 801 | background to the gap between the fringe and the bar. */ |
| 802 | if ((WINDOW_LEFTMOST_P (w) |
| 803 | && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w)) |
| 804 | || (WINDOW_RIGHTMOST_P (w) |
| 805 | && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w))) |
| 806 | { |
| 807 | int sb_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 808 | |
| 809 | if (sb_width > 0) |
| 810 | { |
| 811 | int bar_area_x = WINDOW_SCROLL_BAR_AREA_X (w); |
| 812 | int bar_area_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 813 | |
| 814 | if (bx < 0) |
| 815 | { |
| 816 | /* Bitmap fills the fringe. */ |
| 817 | if (bar_area_x + bar_area_width == p->x) |
| 818 | bx = bar_area_x + sb_width; |
| 819 | else if (p->x + p->wd == bar_area_x) |
| 820 | bx = bar_area_x; |
| 821 | if (bx >= 0) |
| 822 | { |
| 823 | int header_line_height = WINDOW_HEADER_LINE_HEIGHT (w); |
| 824 | |
| 825 | nx = bar_area_width - sb_width; |
| 826 | by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
| 827 | row->y)); |
| 828 | ny = row->visible_height; |
| 829 | } |
| 830 | } |
| 831 | else |
| 832 | { |
| 833 | if (bar_area_x + bar_area_width == bx) |
| 834 | { |
| 835 | bx = bar_area_x + sb_width; |
| 836 | nx += bar_area_width - sb_width; |
| 837 | } |
| 838 | else if (bx + nx == bar_area_x) |
| 839 | nx += bar_area_width - sb_width; |
| 840 | } |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | if (bx >= 0 && nx > 0) |
| 845 | w32_fill_area (f, hdc, face->background, bx, by, nx, ny); |
| 846 | } |
| 847 | |
| 848 | /* Must clip because of partially visible lines. */ |
| 849 | w32_clip_to_row (w, row, ANY_AREA, hdc); |
| 850 | |
| 851 | if (p->which && p->which < max_fringe_bmp) |
| 852 | { |
| 853 | HBITMAP pixmap = fringe_bmp[p->which]; |
| 854 | HDC compat_hdc; |
| 855 | HANDLE horig_obj; |
| 856 | |
| 857 | compat_hdc = CreateCompatibleDC (hdc); |
| 858 | |
| 859 | SaveDC (hdc); |
| 860 | |
| 861 | horig_obj = SelectObject (compat_hdc, pixmap); |
| 862 | |
| 863 | /* Paint overlays transparently. */ |
| 864 | if (p->overlay_p) |
| 865 | { |
| 866 | HBRUSH h_brush, h_orig_brush; |
| 867 | |
| 868 | SetTextColor (hdc, BLACK_PIX_DEFAULT (f)); |
| 869 | SetBkColor (hdc, WHITE_PIX_DEFAULT (f)); |
| 870 | h_brush = CreateSolidBrush (face->foreground); |
| 871 | h_orig_brush = SelectObject (hdc, h_brush); |
| 872 | |
| 873 | BitBlt (hdc, p->x, p->y, p->wd, p->h, |
| 874 | compat_hdc, 0, p->dh, |
| 875 | DSTINVERT); |
| 876 | BitBlt (hdc, p->x, p->y, p->wd, p->h, |
| 877 | compat_hdc, 0, p->dh, |
| 878 | 0x2E064A); |
| 879 | BitBlt (hdc, p->x, p->y, p->wd, p->h, |
| 880 | compat_hdc, 0, p->dh, |
| 881 | DSTINVERT); |
| 882 | |
| 883 | SelectObject (hdc, h_orig_brush); |
| 884 | DeleteObject (h_brush); |
| 885 | } |
| 886 | else |
| 887 | { |
| 888 | SetTextColor (hdc, face->background); |
| 889 | SetBkColor (hdc, (p->cursor_p |
| 890 | ? f->output_data.w32->cursor_pixel |
| 891 | : face->foreground)); |
| 892 | |
| 893 | BitBlt (hdc, p->x, p->y, p->wd, p->h, |
| 894 | compat_hdc, 0, p->dh, |
| 895 | SRCCOPY); |
| 896 | } |
| 897 | |
| 898 | SelectObject (compat_hdc, horig_obj); |
| 899 | DeleteDC (compat_hdc); |
| 900 | RestoreDC (hdc, -1); |
| 901 | } |
| 902 | |
| 903 | w32_set_clip_rectangle (hdc, NULL); |
| 904 | |
| 905 | release_frame_dc (f, hdc); |
| 906 | } |
| 907 | |
| 908 | static void |
| 909 | w32_define_fringe_bitmap (int which, unsigned short *bits, int h, int wd) |
| 910 | { |
| 911 | if (which >= max_fringe_bmp) |
| 912 | { |
| 913 | int i = max_fringe_bmp; |
| 914 | max_fringe_bmp = which + 20; |
| 915 | fringe_bmp = (HBITMAP *) xrealloc (fringe_bmp, max_fringe_bmp * sizeof (HBITMAP)); |
| 916 | while (i < max_fringe_bmp) |
| 917 | fringe_bmp[i++] = 0; |
| 918 | } |
| 919 | |
| 920 | fringe_bmp[which] = CreateBitmap (wd, h, 1, 1, bits); |
| 921 | } |
| 922 | |
| 923 | static void |
| 924 | w32_destroy_fringe_bitmap (int which) |
| 925 | { |
| 926 | if (which >= max_fringe_bmp) |
| 927 | return; |
| 928 | |
| 929 | if (fringe_bmp[which]) |
| 930 | DeleteObject (fringe_bmp[which]); |
| 931 | fringe_bmp[which] = 0; |
| 932 | } |
| 933 | |
| 934 | /*********************************************************************** |
| 935 | Display Iterator |
| 936 | ***********************************************************************/ |
| 937 | |
| 938 | /* Function prototypes of this page. */ |
| 939 | |
| 940 | static void x_set_glyph_string_clipping (struct glyph_string *); |
| 941 | static void x_set_glyph_string_gc (struct glyph_string *); |
| 942 | static void x_draw_glyph_string_background (struct glyph_string *, |
| 943 | int); |
| 944 | static void x_draw_glyph_string_foreground (struct glyph_string *); |
| 945 | static void x_draw_composite_glyph_string_foreground (struct glyph_string *); |
| 946 | static void x_draw_glyph_string_box (struct glyph_string *); |
| 947 | static void x_draw_glyph_string (struct glyph_string *); |
| 948 | static void x_set_cursor_gc (struct glyph_string *); |
| 949 | static void x_set_mode_line_face_gc (struct glyph_string *); |
| 950 | static void x_set_mouse_face_gc (struct glyph_string *); |
| 951 | static int w32_alloc_lighter_color (struct frame *, COLORREF *, double, int); |
| 952 | static void w32_setup_relief_color (struct frame *, struct relief *, |
| 953 | double, int, COLORREF); |
| 954 | static void x_setup_relief_colors (struct glyph_string *); |
| 955 | static void x_draw_image_glyph_string (struct glyph_string *); |
| 956 | static void x_draw_image_relief (struct glyph_string *); |
| 957 | static void x_draw_image_foreground (struct glyph_string *); |
| 958 | static void w32_draw_image_foreground_1 (struct glyph_string *, HBITMAP); |
| 959 | static void x_clear_glyph_string_rect (struct glyph_string *, int, |
| 960 | int, int, int); |
| 961 | static void w32_draw_relief_rect (struct frame *, int, int, int, int, |
| 962 | int, int, int, int, int, int, |
| 963 | RECT *); |
| 964 | static void w32_draw_box_rect (struct glyph_string *, int, int, int, int, |
| 965 | int, int, int, RECT *); |
| 966 | |
| 967 | |
| 968 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor |
| 969 | face. */ |
| 970 | |
| 971 | static void |
| 972 | x_set_cursor_gc (struct glyph_string *s) |
| 973 | { |
| 974 | if (s->font == FRAME_FONT (s->f) |
| 975 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) |
| 976 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) |
| 977 | && !s->cmp) |
| 978 | s->gc = s->f->output_data.w32->cursor_gc; |
| 979 | else |
| 980 | { |
| 981 | /* Cursor on non-default face: must merge. */ |
| 982 | XGCValues xgcv; |
| 983 | unsigned long mask; |
| 984 | |
| 985 | xgcv.background = s->f->output_data.w32->cursor_pixel; |
| 986 | xgcv.foreground = s->face->background; |
| 987 | |
| 988 | /* If the glyph would be invisible, try a different foreground. */ |
| 989 | if (xgcv.foreground == xgcv.background) |
| 990 | xgcv.foreground = s->face->foreground; |
| 991 | if (xgcv.foreground == xgcv.background) |
| 992 | xgcv.foreground = s->f->output_data.w32->cursor_foreground_pixel; |
| 993 | if (xgcv.foreground == xgcv.background) |
| 994 | xgcv.foreground = s->face->foreground; |
| 995 | |
| 996 | /* Make sure the cursor is distinct from text in this face. */ |
| 997 | if (xgcv.background == s->face->background |
| 998 | && xgcv.foreground == s->face->foreground) |
| 999 | { |
| 1000 | xgcv.background = s->face->foreground; |
| 1001 | xgcv.foreground = s->face->background; |
| 1002 | } |
| 1003 | |
| 1004 | IF_DEBUG (x_check_font (s->f, s->font)); |
| 1005 | xgcv.font = s->font; |
| 1006 | mask = GCForeground | GCBackground | GCFont; |
| 1007 | |
| 1008 | if (FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc) |
| 1009 | XChangeGC (NULL, FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc, |
| 1010 | mask, &xgcv); |
| 1011 | else |
| 1012 | FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc |
| 1013 | = XCreateGC (NULL, s->window, mask, &xgcv); |
| 1014 | |
| 1015 | s->gc = FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | |
| 1020 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ |
| 1021 | |
| 1022 | static void |
| 1023 | x_set_mouse_face_gc (struct glyph_string *s) |
| 1024 | { |
| 1025 | int face_id; |
| 1026 | struct face *face; |
| 1027 | |
| 1028 | /* What face has to be used last for the mouse face? */ |
| 1029 | face_id = MOUSE_HL_INFO (s->f)->mouse_face_face_id; |
| 1030 | face = FACE_FROM_ID (s->f, face_id); |
| 1031 | if (face == NULL) |
| 1032 | face = FACE_FROM_ID (s->f, MOUSE_FACE_ID); |
| 1033 | |
| 1034 | if (s->first_glyph->type == CHAR_GLYPH) |
| 1035 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch, -1, Qnil); |
| 1036 | else |
| 1037 | face_id = FACE_FOR_CHAR (s->f, face, 0, -1, Qnil); |
| 1038 | s->face = FACE_FROM_ID (s->f, face_id); |
| 1039 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); |
| 1040 | |
| 1041 | /* If font in this face is same as S->font, use it. */ |
| 1042 | if (s->font == s->face->font) |
| 1043 | s->gc = s->face->gc; |
| 1044 | else |
| 1045 | { |
| 1046 | /* Otherwise construct scratch_cursor_gc with values from FACE |
| 1047 | but font FONT. */ |
| 1048 | XGCValues xgcv; |
| 1049 | unsigned long mask; |
| 1050 | |
| 1051 | xgcv.background = s->face->background; |
| 1052 | xgcv.foreground = s->face->foreground; |
| 1053 | IF_DEBUG (x_check_font (s->f, s->font)); |
| 1054 | xgcv.font = s->font; |
| 1055 | mask = GCForeground | GCBackground | GCFont; |
| 1056 | |
| 1057 | if (FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc) |
| 1058 | XChangeGC (NULL, FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc, |
| 1059 | mask, &xgcv); |
| 1060 | else |
| 1061 | FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc |
| 1062 | = XCreateGC (NULL, s->window, mask, &xgcv); |
| 1063 | |
| 1064 | s->gc = FRAME_DISPLAY_INFO (s->f)->scratch_cursor_gc; |
| 1065 | } |
| 1066 | |
| 1067 | eassert (s->gc != 0); |
| 1068 | } |
| 1069 | |
| 1070 | |
| 1071 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. |
| 1072 | Faces to use in the mode line have already been computed when the |
| 1073 | matrix was built, so there isn't much to do, here. */ |
| 1074 | |
| 1075 | static inline void |
| 1076 | x_set_mode_line_face_gc (struct glyph_string *s) |
| 1077 | { |
| 1078 | s->gc = s->face->gc; |
| 1079 | } |
| 1080 | |
| 1081 | |
| 1082 | /* Set S->gc of glyph string S for drawing that glyph string. Set |
| 1083 | S->stippled_p to a non-zero value if the face of S has a stipple |
| 1084 | pattern. */ |
| 1085 | |
| 1086 | static inline void |
| 1087 | x_set_glyph_string_gc (struct glyph_string *s) |
| 1088 | { |
| 1089 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); |
| 1090 | |
| 1091 | if (s->hl == DRAW_NORMAL_TEXT) |
| 1092 | { |
| 1093 | s->gc = s->face->gc; |
| 1094 | s->stippled_p = s->face->stipple != 0; |
| 1095 | } |
| 1096 | else if (s->hl == DRAW_INVERSE_VIDEO) |
| 1097 | { |
| 1098 | x_set_mode_line_face_gc (s); |
| 1099 | s->stippled_p = s->face->stipple != 0; |
| 1100 | } |
| 1101 | else if (s->hl == DRAW_CURSOR) |
| 1102 | { |
| 1103 | x_set_cursor_gc (s); |
| 1104 | s->stippled_p = 0; |
| 1105 | } |
| 1106 | else if (s->hl == DRAW_MOUSE_FACE) |
| 1107 | { |
| 1108 | x_set_mouse_face_gc (s); |
| 1109 | s->stippled_p = s->face->stipple != 0; |
| 1110 | } |
| 1111 | else if (s->hl == DRAW_IMAGE_RAISED |
| 1112 | || s->hl == DRAW_IMAGE_SUNKEN) |
| 1113 | { |
| 1114 | s->gc = s->face->gc; |
| 1115 | s->stippled_p = s->face->stipple != 0; |
| 1116 | } |
| 1117 | else |
| 1118 | { |
| 1119 | s->gc = s->face->gc; |
| 1120 | s->stippled_p = s->face->stipple != 0; |
| 1121 | } |
| 1122 | |
| 1123 | /* GC must have been set. */ |
| 1124 | eassert (s->gc != 0); |
| 1125 | } |
| 1126 | |
| 1127 | |
| 1128 | /* Set clipping for output of glyph string S. S may be part of a mode |
| 1129 | line or menu if we don't have X toolkit support. */ |
| 1130 | |
| 1131 | static inline void |
| 1132 | x_set_glyph_string_clipping (struct glyph_string *s) |
| 1133 | { |
| 1134 | RECT *r = s->clip; |
| 1135 | int n = get_glyph_string_clip_rects (s, r, 2); |
| 1136 | |
| 1137 | if (n == 1) |
| 1138 | w32_set_clip_rectangle (s->hdc, r); |
| 1139 | else if (n > 1) |
| 1140 | { |
| 1141 | HRGN clip1 = CreateRectRgnIndirect (r); |
| 1142 | HRGN clip2 = CreateRectRgnIndirect (r + 1); |
| 1143 | if (CombineRgn (clip1, clip1, clip2, RGN_OR) != ERROR) |
| 1144 | SelectClipRgn (s->hdc, clip1); |
| 1145 | DeleteObject (clip1); |
| 1146 | DeleteObject (clip2); |
| 1147 | } |
| 1148 | s->num_clips = n; |
| 1149 | } |
| 1150 | |
| 1151 | /* Set SRC's clipping for output of glyph string DST. This is called |
| 1152 | when we are drawing DST's left_overhang or right_overhang only in |
| 1153 | the area of SRC. */ |
| 1154 | |
| 1155 | static void |
| 1156 | x_set_glyph_string_clipping_exactly (struct glyph_string *src, |
| 1157 | struct glyph_string *dst) |
| 1158 | { |
| 1159 | RECT r; |
| 1160 | |
| 1161 | r.left = src->x; |
| 1162 | r.right = r.left + src->width; |
| 1163 | r.top = src->y; |
| 1164 | r.bottom = r.top + src->height; |
| 1165 | dst->clip[0] = r; |
| 1166 | dst->num_clips = 1; |
| 1167 | w32_set_clip_rectangle (dst->hdc, &r); |
| 1168 | } |
| 1169 | |
| 1170 | /* RIF: |
| 1171 | Compute left and right overhang of glyph string S. */ |
| 1172 | |
| 1173 | static void |
| 1174 | w32_compute_glyph_string_overhangs (struct glyph_string *s) |
| 1175 | { |
| 1176 | if (s->cmp == NULL |
| 1177 | && s->first_glyph->type == CHAR_GLYPH |
| 1178 | && !s->font_not_found_p) |
| 1179 | { |
| 1180 | unsigned *code = alloca (sizeof (unsigned) * s->nchars); |
| 1181 | struct font *font = s->font; |
| 1182 | struct font_metrics metrics; |
| 1183 | int i; |
| 1184 | |
| 1185 | for (i = 0; i < s->nchars; i++) |
| 1186 | code[i] = s->char2b[i]; |
| 1187 | font->driver->text_extents (font, code, s->nchars, &metrics); |
| 1188 | s->right_overhang = (metrics.rbearing > metrics.width |
| 1189 | ? metrics.rbearing - metrics.width : 0); |
| 1190 | s->left_overhang = metrics.lbearing < 0 ? -metrics.lbearing : 0; |
| 1191 | } |
| 1192 | else if (s->cmp) |
| 1193 | { |
| 1194 | s->right_overhang = s->cmp->rbearing - s->cmp->pixel_width; |
| 1195 | s->left_overhang = -s->cmp->lbearing; |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ |
| 1200 | |
| 1201 | static inline void |
| 1202 | x_clear_glyph_string_rect (struct glyph_string *s, |
| 1203 | int x, int y, int w, int h) |
| 1204 | { |
| 1205 | int real_x = x; |
| 1206 | int real_y = y; |
| 1207 | int real_w = w; |
| 1208 | int real_h = h; |
| 1209 | #if 0 |
| 1210 | /* Take clipping into account. */ |
| 1211 | if (s->gc->clip_mask == Rect) |
| 1212 | { |
| 1213 | real_x = max (real_x, s->gc->clip_rectangle.left); |
| 1214 | real_y = max (real_y, s->gc->clip_rectangle.top); |
| 1215 | real_w = min (real_w, s->gc->clip_rectangle.right |
| 1216 | - s->gc->clip_rectangle.left); |
| 1217 | real_h = min (real_h, s->gc->clip_rectangle.bottom |
| 1218 | - s->gc->clip_rectangle.top); |
| 1219 | } |
| 1220 | #endif |
| 1221 | w32_fill_area (s->f, s->hdc, s->gc->background, real_x, real_y, |
| 1222 | real_w, real_h); |
| 1223 | } |
| 1224 | |
| 1225 | |
| 1226 | /* Draw the background of glyph_string S. If S->background_filled_p |
| 1227 | is non-zero don't draw it. FORCE_P non-zero means draw the |
| 1228 | background even if it wouldn't be drawn normally. This is used |
| 1229 | when a string preceding S draws into the background of S, or S |
| 1230 | contains the first component of a composition. */ |
| 1231 | |
| 1232 | static void |
| 1233 | x_draw_glyph_string_background (struct glyph_string *s, int force_p) |
| 1234 | { |
| 1235 | /* Nothing to do if background has already been drawn or if it |
| 1236 | shouldn't be drawn in the first place. */ |
| 1237 | if (!s->background_filled_p) |
| 1238 | { |
| 1239 | int box_line_width = max (s->face->box_line_width, 0); |
| 1240 | |
| 1241 | #if 0 /* TODO: stipple */ |
| 1242 | if (s->stippled_p) |
| 1243 | { |
| 1244 | /* Fill background with a stipple pattern. */ |
| 1245 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); |
| 1246 | XFillRectangle (s->display, s->window, s->gc, s->x, |
| 1247 | s->y + box_line_width, |
| 1248 | s->background_width, |
| 1249 | s->height - 2 * box_line_width); |
| 1250 | XSetFillStyle (s->display, s->gc, FillSolid); |
| 1251 | s->background_filled_p = 1; |
| 1252 | } |
| 1253 | else |
| 1254 | #endif |
| 1255 | if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width |
| 1256 | || s->font_not_found_p |
| 1257 | || s->extends_to_end_of_line_p |
| 1258 | || force_p) |
| 1259 | { |
| 1260 | x_clear_glyph_string_rect (s, s->x, s->y + box_line_width, |
| 1261 | s->background_width, |
| 1262 | s->height - 2 * box_line_width); |
| 1263 | s->background_filled_p = 1; |
| 1264 | } |
| 1265 | } |
| 1266 | } |
| 1267 | |
| 1268 | |
| 1269 | /* Draw the foreground of glyph string S. */ |
| 1270 | |
| 1271 | static void |
| 1272 | x_draw_glyph_string_foreground (struct glyph_string *s) |
| 1273 | { |
| 1274 | int i, x; |
| 1275 | |
| 1276 | /* If first glyph of S has a left box line, start drawing the text |
| 1277 | of S to the right of that box line. */ |
| 1278 | if (s->face->box != FACE_NO_BOX |
| 1279 | && s->first_glyph->left_box_line_p) |
| 1280 | x = s->x + eabs (s->face->box_line_width); |
| 1281 | else |
| 1282 | x = s->x; |
| 1283 | |
| 1284 | SetTextColor (s->hdc, s->gc->foreground); |
| 1285 | SetBkColor (s->hdc, s->gc->background); |
| 1286 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); |
| 1287 | |
| 1288 | /* Draw characters of S as rectangles if S's font could not be |
| 1289 | loaded. */ |
| 1290 | if (s->font_not_found_p) |
| 1291 | { |
| 1292 | for (i = 0; i < s->nchars; ++i) |
| 1293 | { |
| 1294 | struct glyph *g = s->first_glyph + i; |
| 1295 | |
| 1296 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, g->pixel_width - 1, |
| 1297 | s->height - 1); |
| 1298 | x += g->pixel_width; |
| 1299 | } |
| 1300 | } |
| 1301 | else |
| 1302 | { |
| 1303 | struct font *font = s->font; |
| 1304 | int boff = font->baseline_offset; |
| 1305 | int y; |
| 1306 | HFONT old_font; |
| 1307 | |
| 1308 | old_font = SelectObject (s->hdc, FONT_HANDLE (font)); |
| 1309 | |
| 1310 | if (font->vertical_centering) |
| 1311 | boff = VCENTER_BASELINE_OFFSET (font, s->f) - boff; |
| 1312 | |
| 1313 | y = s->ybase - boff; |
| 1314 | if (s->for_overlaps |
| 1315 | || (s->background_filled_p && s->hl != DRAW_CURSOR)) |
| 1316 | font->driver->draw (s, 0, s->nchars, x, y, 0); |
| 1317 | else |
| 1318 | font->driver->draw (s, 0, s->nchars, x, y, 1); |
| 1319 | if (s->face->overstrike) |
| 1320 | font->driver->draw (s, 0, s->nchars, x + 1, y, 0); |
| 1321 | |
| 1322 | SelectObject (s->hdc, old_font); |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | /* Draw the foreground of composite glyph string S. */ |
| 1327 | |
| 1328 | static void |
| 1329 | x_draw_composite_glyph_string_foreground (struct glyph_string *s) |
| 1330 | { |
| 1331 | int i, j, x; |
| 1332 | struct font *font = s->font; |
| 1333 | |
| 1334 | /* If first glyph of S has a left box line, start drawing the text |
| 1335 | of S to the right of that box line. */ |
| 1336 | if (s->face && s->face->box != FACE_NO_BOX |
| 1337 | && s->first_glyph->left_box_line_p) |
| 1338 | x = s->x + eabs (s->face->box_line_width); |
| 1339 | else |
| 1340 | x = s->x; |
| 1341 | |
| 1342 | /* S is a glyph string for a composition. S->cmp_from is the index |
| 1343 | of the first character drawn for glyphs of this composition. |
| 1344 | S->cmp_from == 0 means we are drawing the very first character of |
| 1345 | this composition. */ |
| 1346 | |
| 1347 | SetTextColor (s->hdc, s->gc->foreground); |
| 1348 | SetBkColor (s->hdc, s->gc->background); |
| 1349 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); |
| 1350 | |
| 1351 | /* Draw a rectangle for the composition if the font for the very |
| 1352 | first character of the composition could not be loaded. */ |
| 1353 | if (s->font_not_found_p) |
| 1354 | { |
| 1355 | if (s->cmp_from == 0) |
| 1356 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, s->width - 1, |
| 1357 | s->height - 1); |
| 1358 | } |
| 1359 | else if (! s->first_glyph->u.cmp.automatic) |
| 1360 | { |
| 1361 | int y = s->ybase; |
| 1362 | HFONT old_font; |
| 1363 | |
| 1364 | old_font = SelectObject (s->hdc, FONT_HANDLE (font)); |
| 1365 | |
| 1366 | for (i = 0, j = s->cmp_from; i < s->nchars; i++, j++) |
| 1367 | /* TAB in a composition means display glyphs with padding |
| 1368 | space on the left or right. */ |
| 1369 | if (COMPOSITION_GLYPH (s->cmp, j) != '\t') |
| 1370 | { |
| 1371 | int xx = x + s->cmp->offsets[j * 2]; |
| 1372 | int yy = y - s->cmp->offsets[j * 2 + 1]; |
| 1373 | |
| 1374 | font->driver->draw (s, j, j + 1, xx, yy, 0); |
| 1375 | if (s->face->overstrike) |
| 1376 | font->driver->draw (s, j, j + 1, xx + 1, yy, 0); |
| 1377 | } |
| 1378 | SelectObject (s->hdc, old_font); |
| 1379 | } |
| 1380 | else |
| 1381 | { |
| 1382 | Lisp_Object gstring = composition_gstring_from_id (s->cmp_id); |
| 1383 | Lisp_Object glyph; |
| 1384 | int y = s->ybase; |
| 1385 | int width = 0; |
| 1386 | HFONT old_font; |
| 1387 | |
| 1388 | old_font = SelectObject (s->hdc, FONT_HANDLE (font)); |
| 1389 | |
| 1390 | for (i = j = s->cmp_from; i < s->cmp_to; i++) |
| 1391 | { |
| 1392 | glyph = LGSTRING_GLYPH (gstring, i); |
| 1393 | if (NILP (LGLYPH_ADJUSTMENT (glyph))) |
| 1394 | width += LGLYPH_WIDTH (glyph); |
| 1395 | else |
| 1396 | { |
| 1397 | int xoff, yoff, wadjust; |
| 1398 | |
| 1399 | if (j < i) |
| 1400 | { |
| 1401 | font->driver->draw (s, j, i, x, y, 0); |
| 1402 | x += width; |
| 1403 | } |
| 1404 | xoff = LGLYPH_XOFF (glyph); |
| 1405 | yoff = LGLYPH_YOFF (glyph); |
| 1406 | wadjust = LGLYPH_WADJUST (glyph); |
| 1407 | font->driver->draw (s, i, i + 1, x + xoff, y + yoff, 0); |
| 1408 | x += wadjust; |
| 1409 | j = i + 1; |
| 1410 | width = 0; |
| 1411 | } |
| 1412 | } |
| 1413 | if (j < i) |
| 1414 | font->driver->draw (s, j, i, x, y, 0); |
| 1415 | |
| 1416 | SelectObject (s->hdc, old_font); |
| 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | |
| 1421 | /* Draw the foreground of glyph string S for glyphless characters. */ |
| 1422 | |
| 1423 | static void |
| 1424 | x_draw_glyphless_glyph_string_foreground (struct glyph_string *s) |
| 1425 | { |
| 1426 | struct glyph *glyph = s->first_glyph; |
| 1427 | XChar2b char2b[8]; |
| 1428 | int x, i, j; |
| 1429 | int with_background; |
| 1430 | |
| 1431 | /* If first glyph of S has a left box line, start drawing the text |
| 1432 | of S to the right of that box line. */ |
| 1433 | if (s->face->box != FACE_NO_BOX |
| 1434 | && s->first_glyph->left_box_line_p) |
| 1435 | x = s->x + eabs (s->face->box_line_width); |
| 1436 | else |
| 1437 | x = s->x; |
| 1438 | |
| 1439 | SetTextColor (s->hdc, s->gc->foreground); |
| 1440 | SetBkColor (s->hdc, s->gc->background); |
| 1441 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); |
| 1442 | |
| 1443 | s->char2b = char2b; |
| 1444 | with_background = ! (s->for_overlaps |
| 1445 | || (s->background_filled_p && s->hl != DRAW_CURSOR)); |
| 1446 | for (i = 0; i < s->nchars; i++, glyph++) |
| 1447 | { |
| 1448 | char buf[7], *str = NULL; |
| 1449 | int len = glyph->u.glyphless.len; |
| 1450 | |
| 1451 | if (glyph->u.glyphless.method == GLYPHLESS_DISPLAY_ACRONYM) |
| 1452 | { |
| 1453 | if (len > 1 |
| 1454 | && CHAR_TABLE_P (Vglyphless_char_display) |
| 1455 | && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display)) |
| 1456 | >= 1)) |
| 1457 | { |
| 1458 | Lisp_Object acronym |
| 1459 | = (! glyph->u.glyphless.for_no_font |
| 1460 | ? CHAR_TABLE_REF (Vglyphless_char_display, |
| 1461 | glyph->u.glyphless.ch) |
| 1462 | : XCHAR_TABLE (Vglyphless_char_display)->extras[0]); |
| 1463 | if (STRINGP (acronym)) |
| 1464 | str = SSDATA (acronym); |
| 1465 | } |
| 1466 | } |
| 1467 | else if (glyph->u.glyphless.method == GLYPHLESS_DISPLAY_HEX_CODE) |
| 1468 | { |
| 1469 | sprintf ((char *) buf, "%0*X", |
| 1470 | glyph->u.glyphless.ch < 0x10000 ? 4 : 6, |
| 1471 | glyph->u.glyphless.ch); |
| 1472 | str = buf; |
| 1473 | } |
| 1474 | |
| 1475 | if (glyph->u.glyphless.method != GLYPHLESS_DISPLAY_THIN_SPACE) |
| 1476 | w32_draw_rectangle (s->hdc, s->gc, |
| 1477 | x, s->ybase - glyph->ascent, |
| 1478 | glyph->pixel_width - 1, |
| 1479 | glyph->ascent + glyph->descent - 1); |
| 1480 | if (str) |
| 1481 | { |
| 1482 | struct font *font = s->font; |
| 1483 | int upper_len = (len + 1) / 2; |
| 1484 | unsigned code; |
| 1485 | HFONT old_font; |
| 1486 | |
| 1487 | old_font = SelectObject (s->hdc, FONT_HANDLE (font)); |
| 1488 | /* It is certain that all LEN characters in STR are ASCII. */ |
| 1489 | for (j = 0; j < len; j++) |
| 1490 | { |
| 1491 | code = font->driver->encode_char (font, str[j]); |
| 1492 | STORE_XCHAR2B (char2b + j, code >> 8, code & 0xFF); |
| 1493 | } |
| 1494 | font->driver->draw (s, 0, upper_len, |
| 1495 | x + glyph->slice.glyphless.upper_xoff, |
| 1496 | s->ybase + glyph->slice.glyphless.upper_yoff, |
| 1497 | with_background); |
| 1498 | font->driver->draw (s, upper_len, len, |
| 1499 | x + glyph->slice.glyphless.lower_xoff, |
| 1500 | s->ybase + glyph->slice.glyphless.lower_yoff, |
| 1501 | with_background); |
| 1502 | SelectObject (s->hdc, old_font); |
| 1503 | } |
| 1504 | x += glyph->pixel_width; |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | |
| 1509 | /* Brightness beyond which a color won't have its highlight brightness |
| 1510 | boosted. |
| 1511 | |
| 1512 | Nominally, highlight colors for `3d' faces are calculated by |
| 1513 | brightening an object's color by a constant scale factor, but this |
| 1514 | doesn't yield good results for dark colors, so for colors whose |
| 1515 | brightness is less than this value (on a scale of 0-255) have to |
| 1516 | use an additional additive factor. |
| 1517 | |
| 1518 | The value here is set so that the default menu-bar/mode-line color |
| 1519 | (grey75) will not have its highlights changed at all. */ |
| 1520 | #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187 |
| 1521 | |
| 1522 | |
| 1523 | /* Allocate a color which is lighter or darker than *COLOR by FACTOR |
| 1524 | or DELTA. Try a color with RGB values multiplied by FACTOR first. |
| 1525 | If this produces the same color as COLOR, try a color where all RGB |
| 1526 | values have DELTA added. Return the allocated color in *COLOR. |
| 1527 | DISPLAY is the X display, CMAP is the colormap to operate on. |
| 1528 | Value is non-zero if successful. */ |
| 1529 | |
| 1530 | static int |
| 1531 | w32_alloc_lighter_color (struct frame *f, COLORREF *color, |
| 1532 | double factor, int delta) |
| 1533 | { |
| 1534 | COLORREF new; |
| 1535 | long bright; |
| 1536 | |
| 1537 | /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */ |
| 1538 | delta /= 256; |
| 1539 | |
| 1540 | /* Change RGB values by specified FACTOR. Avoid overflow! */ |
| 1541 | eassert (factor >= 0); |
| 1542 | new = PALETTERGB (min (0xff, factor * GetRValue (*color)), |
| 1543 | min (0xff, factor * GetGValue (*color)), |
| 1544 | min (0xff, factor * GetBValue (*color))); |
| 1545 | |
| 1546 | /* Calculate brightness of COLOR. */ |
| 1547 | bright = (2 * GetRValue (*color) + 3 * GetGValue (*color) |
| 1548 | + GetBValue (*color)) / 6; |
| 1549 | |
| 1550 | /* We only boost colors that are darker than |
| 1551 | HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */ |
| 1552 | if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT) |
| 1553 | /* Make an additive adjustment to NEW, because it's dark enough so |
| 1554 | that scaling by FACTOR alone isn't enough. */ |
| 1555 | { |
| 1556 | /* How far below the limit this color is (0 - 1, 1 being darker). */ |
| 1557 | double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT; |
| 1558 | /* The additive adjustment. */ |
| 1559 | int min_delta = delta * dimness * factor / 2; |
| 1560 | |
| 1561 | if (factor < 1) |
| 1562 | new = PALETTERGB (max (0, min (0xff, min_delta - GetRValue (*color))), |
| 1563 | max (0, min (0xff, min_delta - GetGValue (*color))), |
| 1564 | max (0, min (0xff, min_delta - GetBValue (*color)))); |
| 1565 | else |
| 1566 | new = PALETTERGB (max (0, min (0xff, min_delta + GetRValue (*color))), |
| 1567 | max (0, min (0xff, min_delta + GetGValue (*color))), |
| 1568 | max (0, min (0xff, min_delta + GetBValue (*color)))); |
| 1569 | } |
| 1570 | |
| 1571 | if (new == *color) |
| 1572 | new = PALETTERGB (max (0, min (0xff, delta + GetRValue (*color))), |
| 1573 | max (0, min (0xff, delta + GetGValue (*color))), |
| 1574 | max (0, min (0xff, delta + GetBValue (*color)))); |
| 1575 | |
| 1576 | /* TODO: Map to palette and retry with delta if same? */ |
| 1577 | /* TODO: Free colors (if using palette)? */ |
| 1578 | |
| 1579 | if (new == *color) |
| 1580 | return 0; |
| 1581 | |
| 1582 | *color = new; |
| 1583 | |
| 1584 | return 1; |
| 1585 | } |
| 1586 | |
| 1587 | /* On frame F, translate pixel colors to RGB values for the NCOLORS |
| 1588 | colors in COLORS. On W32, we no longer try to map colors to |
| 1589 | a palette. */ |
| 1590 | void |
| 1591 | x_query_colors (struct frame *f, XColor *colors, int ncolors) |
| 1592 | { |
| 1593 | int i; |
| 1594 | |
| 1595 | for (i = 0; i < ncolors; i++) |
| 1596 | { |
| 1597 | DWORD pixel = colors[i].pixel; |
| 1598 | /* Convert to a 16 bit value in range 0 - 0xffff. */ |
| 1599 | colors[i].red = GetRValue (pixel) * 257; |
| 1600 | colors[i].green = GetGValue (pixel) * 257; |
| 1601 | colors[i].blue = GetBValue (pixel) * 257; |
| 1602 | } |
| 1603 | } |
| 1604 | |
| 1605 | void |
| 1606 | x_query_color (struct frame *f, XColor *color) |
| 1607 | { |
| 1608 | x_query_colors (f, color, 1); |
| 1609 | } |
| 1610 | |
| 1611 | |
| 1612 | /* Set up the foreground color for drawing relief lines of glyph |
| 1613 | string S. RELIEF is a pointer to a struct relief containing the GC |
| 1614 | with which lines will be drawn. Use a color that is FACTOR or |
| 1615 | DELTA lighter or darker than the relief's background which is found |
| 1616 | in S->f->output_data.x->relief_background. If such a color cannot |
| 1617 | be allocated, use DEFAULT_PIXEL, instead. */ |
| 1618 | |
| 1619 | static void |
| 1620 | w32_setup_relief_color (struct frame *f, struct relief *relief, double factor, |
| 1621 | int delta, COLORREF default_pixel) |
| 1622 | { |
| 1623 | XGCValues xgcv; |
| 1624 | struct w32_output *di = f->output_data.w32; |
| 1625 | unsigned long mask = GCForeground; |
| 1626 | COLORREF pixel; |
| 1627 | COLORREF background = di->relief_background; |
| 1628 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (f); |
| 1629 | |
| 1630 | /* TODO: Free colors (if using palette)? */ |
| 1631 | |
| 1632 | /* Allocate new color. */ |
| 1633 | xgcv.foreground = default_pixel; |
| 1634 | pixel = background; |
| 1635 | if (w32_alloc_lighter_color (f, &pixel, factor, delta)) |
| 1636 | xgcv.foreground = relief->pixel = pixel; |
| 1637 | |
| 1638 | if (relief->gc == 0) |
| 1639 | { |
| 1640 | #if 0 /* TODO: stipple */ |
| 1641 | xgcv.stipple = dpyinfo->gray; |
| 1642 | mask |= GCStipple; |
| 1643 | #endif |
| 1644 | relief->gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, &xgcv); |
| 1645 | } |
| 1646 | else |
| 1647 | XChangeGC (NULL, relief->gc, mask, &xgcv); |
| 1648 | } |
| 1649 | |
| 1650 | |
| 1651 | /* Set up colors for the relief lines around glyph string S. */ |
| 1652 | |
| 1653 | static void |
| 1654 | x_setup_relief_colors (struct glyph_string *s) |
| 1655 | { |
| 1656 | struct w32_output *di = s->f->output_data.w32; |
| 1657 | COLORREF color; |
| 1658 | |
| 1659 | if (s->face->use_box_color_for_shadows_p) |
| 1660 | color = s->face->box_color; |
| 1661 | else if (s->first_glyph->type == IMAGE_GLYPH |
| 1662 | && s->img->pixmap |
| 1663 | && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0)) |
| 1664 | color = IMAGE_BACKGROUND (s->img, s->f, 0); |
| 1665 | else |
| 1666 | color = s->gc->background; |
| 1667 | |
| 1668 | if (di->white_relief.gc == 0 |
| 1669 | || color != di->relief_background) |
| 1670 | { |
| 1671 | di->relief_background = color; |
| 1672 | w32_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, |
| 1673 | WHITE_PIX_DEFAULT (s->f)); |
| 1674 | w32_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, |
| 1675 | BLACK_PIX_DEFAULT (s->f)); |
| 1676 | } |
| 1677 | } |
| 1678 | |
| 1679 | |
| 1680 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, |
| 1681 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief |
| 1682 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised |
| 1683 | relief. LEFT_P non-zero means draw a relief on the left side of |
| 1684 | the rectangle. RIGHT_P non-zero means draw a relief on the right |
| 1685 | side of the rectangle. CLIP_RECT is the clipping rectangle to use |
| 1686 | when drawing. */ |
| 1687 | |
| 1688 | static void |
| 1689 | w32_draw_relief_rect (struct frame *f, |
| 1690 | int left_x, int top_y, int right_x, int bottom_y, |
| 1691 | int width, int raised_p, |
| 1692 | int top_p, int bot_p, int left_p, int right_p, |
| 1693 | RECT *clip_rect) |
| 1694 | { |
| 1695 | int i; |
| 1696 | XGCValues gc; |
| 1697 | HDC hdc = get_frame_dc (f); |
| 1698 | |
| 1699 | if (raised_p) |
| 1700 | gc.foreground = f->output_data.w32->white_relief.gc->foreground; |
| 1701 | else |
| 1702 | gc.foreground = f->output_data.w32->black_relief.gc->foreground; |
| 1703 | |
| 1704 | w32_set_clip_rectangle (hdc, clip_rect); |
| 1705 | |
| 1706 | /* Top. */ |
| 1707 | if (top_p) |
| 1708 | for (i = 0; i < width; ++i) |
| 1709 | w32_fill_area (f, hdc, gc.foreground, |
| 1710 | left_x + i * left_p, top_y + i, |
| 1711 | right_x - left_x - i * (left_p + right_p ) + 1, 1); |
| 1712 | |
| 1713 | /* Left. */ |
| 1714 | if (left_p) |
| 1715 | for (i = 0; i < width; ++i) |
| 1716 | w32_fill_area (f, hdc, gc.foreground, |
| 1717 | left_x + i, top_y + (i + 1) * top_p, 1, |
| 1718 | bottom_y - top_y - (i + 1) * (bot_p + top_p) + 1); |
| 1719 | |
| 1720 | if (raised_p) |
| 1721 | gc.foreground = f->output_data.w32->black_relief.gc->foreground; |
| 1722 | else |
| 1723 | gc.foreground = f->output_data.w32->white_relief.gc->foreground; |
| 1724 | |
| 1725 | /* Bottom. */ |
| 1726 | if (bot_p) |
| 1727 | for (i = 0; i < width; ++i) |
| 1728 | w32_fill_area (f, hdc, gc.foreground, |
| 1729 | left_x + i * left_p, bottom_y - i, |
| 1730 | right_x - left_x - i * (left_p + right_p) + 1, 1); |
| 1731 | |
| 1732 | /* Right. */ |
| 1733 | if (right_p) |
| 1734 | for (i = 0; i < width; ++i) |
| 1735 | w32_fill_area (f, hdc, gc.foreground, |
| 1736 | right_x - i, top_y + (i + 1) * top_p, 1, |
| 1737 | bottom_y - top_y - (i + 1) * (bot_p + top_p) + 1); |
| 1738 | |
| 1739 | w32_set_clip_rectangle (hdc, NULL); |
| 1740 | |
| 1741 | release_frame_dc (f, hdc); |
| 1742 | } |
| 1743 | |
| 1744 | |
| 1745 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, |
| 1746 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to |
| 1747 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the |
| 1748 | left side of the rectangle. RIGHT_P non-zero means draw a line |
| 1749 | on the right side of the rectangle. CLIP_RECT is the clipping |
| 1750 | rectangle to use when drawing. */ |
| 1751 | |
| 1752 | static void |
| 1753 | w32_draw_box_rect (struct glyph_string *s, |
| 1754 | int left_x, int top_y, int right_x, int bottom_y, int width, |
| 1755 | int left_p, int right_p, RECT *clip_rect) |
| 1756 | { |
| 1757 | w32_set_clip_rectangle (s->hdc, clip_rect); |
| 1758 | |
| 1759 | /* Top. */ |
| 1760 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
| 1761 | left_x, top_y, right_x - left_x + 1, width); |
| 1762 | |
| 1763 | /* Left. */ |
| 1764 | if (left_p) |
| 1765 | { |
| 1766 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
| 1767 | left_x, top_y, width, bottom_y - top_y + 1); |
| 1768 | } |
| 1769 | |
| 1770 | /* Bottom. */ |
| 1771 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
| 1772 | left_x, bottom_y - width + 1, right_x - left_x + 1, width); |
| 1773 | |
| 1774 | /* Right. */ |
| 1775 | if (right_p) |
| 1776 | { |
| 1777 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
| 1778 | right_x - width + 1, top_y, width, bottom_y - top_y + 1); |
| 1779 | } |
| 1780 | |
| 1781 | w32_set_clip_rectangle (s->hdc, NULL); |
| 1782 | } |
| 1783 | |
| 1784 | |
| 1785 | /* Draw a box around glyph string S. */ |
| 1786 | |
| 1787 | static void |
| 1788 | x_draw_glyph_string_box (struct glyph_string *s) |
| 1789 | { |
| 1790 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; |
| 1791 | int left_p, right_p; |
| 1792 | struct glyph *last_glyph; |
| 1793 | RECT clip_rect; |
| 1794 | |
| 1795 | last_x = ((s->row->full_width_p && !s->w->pseudo_window_p) |
| 1796 | ? WINDOW_RIGHT_EDGE_X (s->w) |
| 1797 | : window_box_right (s->w, s->area)); |
| 1798 | |
| 1799 | /* The glyph that may have a right box line. */ |
| 1800 | last_glyph = (s->cmp || s->img |
| 1801 | ? s->first_glyph |
| 1802 | : s->first_glyph + s->nchars - 1); |
| 1803 | |
| 1804 | width = eabs (s->face->box_line_width); |
| 1805 | raised_p = s->face->box == FACE_RAISED_BOX; |
| 1806 | left_x = s->x; |
| 1807 | right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p |
| 1808 | ? last_x - 1 |
| 1809 | : min (last_x, s->x + s->background_width) - 1)); |
| 1810 | top_y = s->y; |
| 1811 | bottom_y = top_y + s->height - 1; |
| 1812 | |
| 1813 | left_p = (s->first_glyph->left_box_line_p |
| 1814 | || (s->hl == DRAW_MOUSE_FACE |
| 1815 | && (s->prev == NULL |
| 1816 | || s->prev->hl != s->hl))); |
| 1817 | right_p = (last_glyph->right_box_line_p |
| 1818 | || (s->hl == DRAW_MOUSE_FACE |
| 1819 | && (s->next == NULL |
| 1820 | || s->next->hl != s->hl))); |
| 1821 | |
| 1822 | get_glyph_string_clip_rect (s, &clip_rect); |
| 1823 | |
| 1824 | if (s->face->box == FACE_SIMPLE_BOX) |
| 1825 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, |
| 1826 | left_p, right_p, &clip_rect); |
| 1827 | else |
| 1828 | { |
| 1829 | x_setup_relief_colors (s); |
| 1830 | w32_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, |
| 1831 | width, raised_p, 1, 1, left_p, right_p, &clip_rect); |
| 1832 | } |
| 1833 | } |
| 1834 | |
| 1835 | |
| 1836 | /* Draw foreground of image glyph string S. */ |
| 1837 | |
| 1838 | static void |
| 1839 | x_draw_image_foreground (struct glyph_string *s) |
| 1840 | { |
| 1841 | int x = s->x; |
| 1842 | int y = s->ybase - image_ascent (s->img, s->face, &s->slice); |
| 1843 | |
| 1844 | /* If first glyph of S has a left box line, start drawing it to the |
| 1845 | right of that line. */ |
| 1846 | if (s->face->box != FACE_NO_BOX |
| 1847 | && s->first_glyph->left_box_line_p |
| 1848 | && s->slice.x == 0) |
| 1849 | x += eabs (s->face->box_line_width); |
| 1850 | |
| 1851 | /* If there is a margin around the image, adjust x- and y-position |
| 1852 | by that margin. */ |
| 1853 | if (s->slice.x == 0) |
| 1854 | x += s->img->hmargin; |
| 1855 | if (s->slice.y == 0) |
| 1856 | y += s->img->vmargin; |
| 1857 | |
| 1858 | SaveDC (s->hdc); |
| 1859 | |
| 1860 | if (s->img->pixmap) |
| 1861 | { |
| 1862 | HDC compat_hdc = CreateCompatibleDC (s->hdc); |
| 1863 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); |
| 1864 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); |
| 1865 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); |
| 1866 | SetBkColor (compat_hdc, RGB (255, 255, 255)); |
| 1867 | SetTextColor (s->hdc, RGB (0, 0, 0)); |
| 1868 | x_set_glyph_string_clipping (s); |
| 1869 | |
| 1870 | if (s->img->mask) |
| 1871 | { |
| 1872 | HDC mask_dc = CreateCompatibleDC (s->hdc); |
| 1873 | HGDIOBJ mask_orig_obj = SelectObject (mask_dc, s->img->mask); |
| 1874 | |
| 1875 | SetTextColor (s->hdc, RGB (255, 255, 255)); |
| 1876 | SetBkColor (s->hdc, RGB (0, 0, 0)); |
| 1877 | |
| 1878 | BitBlt (s->hdc, x, y, s->slice.width, s->slice.height, |
| 1879 | compat_hdc, s->slice.x, s->slice.y, SRCINVERT); |
| 1880 | BitBlt (s->hdc, x, y, s->slice.width, s->slice.height, |
| 1881 | mask_dc, s->slice.x, s->slice.y, SRCAND); |
| 1882 | BitBlt (s->hdc, x, y, s->slice.width, s->slice.height, |
| 1883 | compat_hdc, s->slice.x, s->slice.y, SRCINVERT); |
| 1884 | |
| 1885 | SelectObject (mask_dc, mask_orig_obj); |
| 1886 | DeleteDC (mask_dc); |
| 1887 | } |
| 1888 | else |
| 1889 | { |
| 1890 | SetTextColor (s->hdc, s->gc->foreground); |
| 1891 | SetBkColor (s->hdc, s->gc->background); |
| 1892 | |
| 1893 | BitBlt (s->hdc, x, y, s->slice.width, s->slice.height, |
| 1894 | compat_hdc, s->slice.x, s->slice.y, SRCCOPY); |
| 1895 | |
| 1896 | /* When the image has a mask, we can expect that at |
| 1897 | least part of a mouse highlight or a block cursor will |
| 1898 | be visible. If the image doesn't have a mask, make |
| 1899 | a block cursor visible by drawing a rectangle around |
| 1900 | the image. I believe it's looking better if we do |
| 1901 | nothing here for mouse-face. */ |
| 1902 | if (s->hl == DRAW_CURSOR) |
| 1903 | { |
| 1904 | int r = s->img->relief; |
| 1905 | if (r < 0) r = -r; |
| 1906 | w32_draw_rectangle (s->hdc, s->gc, x - r, y - r , |
| 1907 | s->slice.width + r*2 - 1, |
| 1908 | s->slice.height + r*2 - 1); |
| 1909 | } |
| 1910 | } |
| 1911 | |
| 1912 | w32_set_clip_rectangle (s->hdc, NULL); |
| 1913 | SelectObject (s->hdc, orig_brush); |
| 1914 | DeleteObject (fg_brush); |
| 1915 | SelectObject (compat_hdc, orig_obj); |
| 1916 | DeleteDC (compat_hdc); |
| 1917 | } |
| 1918 | else |
| 1919 | w32_draw_rectangle (s->hdc, s->gc, x, y, |
| 1920 | s->slice.width - 1, s->slice.height - 1); |
| 1921 | |
| 1922 | RestoreDC (s->hdc ,-1); |
| 1923 | } |
| 1924 | |
| 1925 | |
| 1926 | /* Draw a relief around the image glyph string S. */ |
| 1927 | |
| 1928 | static void |
| 1929 | x_draw_image_relief (struct glyph_string *s) |
| 1930 | { |
| 1931 | int x1, y1, thick, raised_p, top_p, bot_p, left_p, right_p; |
| 1932 | RECT r; |
| 1933 | int x = s->x; |
| 1934 | int y = s->ybase - image_ascent (s->img, s->face, &s->slice); |
| 1935 | |
| 1936 | /* If first glyph of S has a left box line, start drawing it to the |
| 1937 | right of that line. */ |
| 1938 | if (s->face->box != FACE_NO_BOX |
| 1939 | && s->first_glyph->left_box_line_p |
| 1940 | && s->slice.x == 0) |
| 1941 | x += eabs (s->face->box_line_width); |
| 1942 | |
| 1943 | /* If there is a margin around the image, adjust x- and y-position |
| 1944 | by that margin. */ |
| 1945 | if (s->slice.x == 0) |
| 1946 | x += s->img->hmargin; |
| 1947 | if (s->slice.y == 0) |
| 1948 | y += s->img->vmargin; |
| 1949 | |
| 1950 | if (s->hl == DRAW_IMAGE_SUNKEN |
| 1951 | || s->hl == DRAW_IMAGE_RAISED) |
| 1952 | { |
| 1953 | thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief |
| 1954 | : DEFAULT_TOOL_BAR_BUTTON_RELIEF; |
| 1955 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
| 1956 | } |
| 1957 | else |
| 1958 | { |
| 1959 | thick = eabs (s->img->relief); |
| 1960 | raised_p = s->img->relief > 0; |
| 1961 | } |
| 1962 | |
| 1963 | x1 = x + s->slice.width - 1; |
| 1964 | y1 = y + s->slice.height - 1; |
| 1965 | top_p = bot_p = left_p = right_p = 0; |
| 1966 | |
| 1967 | if (s->slice.x == 0) |
| 1968 | x -= thick, left_p = 1; |
| 1969 | if (s->slice.y == 0) |
| 1970 | y -= thick, top_p = 1; |
| 1971 | if (s->slice.x + s->slice.width == s->img->width) |
| 1972 | x1 += thick, right_p = 1; |
| 1973 | if (s->slice.y + s->slice.height == s->img->height) |
| 1974 | y1 += thick, bot_p = 1; |
| 1975 | |
| 1976 | x_setup_relief_colors (s); |
| 1977 | get_glyph_string_clip_rect (s, &r); |
| 1978 | w32_draw_relief_rect (s->f, x, y, x1, y1, thick, raised_p, |
| 1979 | top_p, bot_p, left_p, right_p, &r); |
| 1980 | } |
| 1981 | |
| 1982 | |
| 1983 | /* Draw the foreground of image glyph string S to PIXMAP. */ |
| 1984 | |
| 1985 | static void |
| 1986 | w32_draw_image_foreground_1 (struct glyph_string *s, HBITMAP pixmap) |
| 1987 | { |
| 1988 | HDC hdc = CreateCompatibleDC (s->hdc); |
| 1989 | HGDIOBJ orig_hdc_obj = SelectObject (hdc, pixmap); |
| 1990 | int x = 0; |
| 1991 | int y = s->ybase - s->y - image_ascent (s->img, s->face, &s->slice); |
| 1992 | |
| 1993 | /* If first glyph of S has a left box line, start drawing it to the |
| 1994 | right of that line. */ |
| 1995 | if (s->face->box != FACE_NO_BOX |
| 1996 | && s->first_glyph->left_box_line_p |
| 1997 | && s->slice.x == 0) |
| 1998 | x += eabs (s->face->box_line_width); |
| 1999 | |
| 2000 | /* If there is a margin around the image, adjust x- and y-position |
| 2001 | by that margin. */ |
| 2002 | if (s->slice.x == 0) |
| 2003 | x += s->img->hmargin; |
| 2004 | if (s->slice.y == 0) |
| 2005 | y += s->img->vmargin; |
| 2006 | |
| 2007 | if (s->img->pixmap) |
| 2008 | { |
| 2009 | HDC compat_hdc = CreateCompatibleDC (hdc); |
| 2010 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); |
| 2011 | HBRUSH orig_brush = SelectObject (hdc, fg_brush); |
| 2012 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); |
| 2013 | |
| 2014 | if (s->img->mask) |
| 2015 | { |
| 2016 | HDC mask_dc = CreateCompatibleDC (hdc); |
| 2017 | HGDIOBJ mask_orig_obj = SelectObject (mask_dc, s->img->mask); |
| 2018 | |
| 2019 | SetTextColor (hdc, RGB (0, 0, 0)); |
| 2020 | SetBkColor (hdc, RGB (255, 255, 255)); |
| 2021 | BitBlt (hdc, x, y, s->slice.width, s->slice.height, |
| 2022 | compat_hdc, s->slice.x, s->slice.y, SRCINVERT); |
| 2023 | BitBlt (hdc, x, y, s->slice.width, s->slice.height, |
| 2024 | mask_dc, s->slice.x, s->slice.y, SRCAND); |
| 2025 | BitBlt (hdc, x, y, s->slice.width, s->slice.height, |
| 2026 | compat_hdc, s->slice.x, s->slice.y, SRCINVERT); |
| 2027 | |
| 2028 | SelectObject (mask_dc, mask_orig_obj); |
| 2029 | DeleteDC (mask_dc); |
| 2030 | } |
| 2031 | else |
| 2032 | { |
| 2033 | SetTextColor (hdc, s->gc->foreground); |
| 2034 | SetBkColor (hdc, s->gc->background); |
| 2035 | |
| 2036 | BitBlt (hdc, x, y, s->slice.width, s->slice.height, |
| 2037 | compat_hdc, s->slice.x, s->slice.y, SRCCOPY); |
| 2038 | |
| 2039 | /* When the image has a mask, we can expect that at |
| 2040 | least part of a mouse highlight or a block cursor will |
| 2041 | be visible. If the image doesn't have a mask, make |
| 2042 | a block cursor visible by drawing a rectangle around |
| 2043 | the image. I believe it's looking better if we do |
| 2044 | nothing here for mouse-face. */ |
| 2045 | if (s->hl == DRAW_CURSOR) |
| 2046 | { |
| 2047 | int r = s->img->relief; |
| 2048 | if (r < 0) r = -r; |
| 2049 | w32_draw_rectangle (hdc, s->gc, x - r, y - r, |
| 2050 | s->slice.width + r*2 - 1, |
| 2051 | s->slice.height + r*2 - 1); |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | SelectObject (hdc, orig_brush); |
| 2056 | DeleteObject (fg_brush); |
| 2057 | SelectObject (compat_hdc, orig_obj); |
| 2058 | DeleteDC (compat_hdc); |
| 2059 | } |
| 2060 | else |
| 2061 | w32_draw_rectangle (hdc, s->gc, x, y, |
| 2062 | s->slice.width - 1, s->slice.height - 1); |
| 2063 | |
| 2064 | SelectObject (hdc, orig_hdc_obj); |
| 2065 | DeleteDC (hdc); |
| 2066 | } |
| 2067 | |
| 2068 | |
| 2069 | /* Draw part of the background of glyph string S. X, Y, W, and H |
| 2070 | give the rectangle to draw. */ |
| 2071 | |
| 2072 | static void |
| 2073 | x_draw_glyph_string_bg_rect (struct glyph_string *s, int x, int y, int w, int h) |
| 2074 | { |
| 2075 | #if 0 /* TODO: stipple */ |
| 2076 | if (s->stippled_p) |
| 2077 | { |
| 2078 | /* Fill background with a stipple pattern. */ |
| 2079 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); |
| 2080 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); |
| 2081 | XSetFillStyle (s->display, s->gc, FillSolid); |
| 2082 | } |
| 2083 | else |
| 2084 | #endif |
| 2085 | x_clear_glyph_string_rect (s, x, y, w, h); |
| 2086 | } |
| 2087 | |
| 2088 | |
| 2089 | /* Draw image glyph string S. |
| 2090 | |
| 2091 | s->y |
| 2092 | s->x +------------------------- |
| 2093 | | s->face->box |
| 2094 | | |
| 2095 | | +------------------------- |
| 2096 | | | s->img->vmargin |
| 2097 | | | |
| 2098 | | | +------------------- |
| 2099 | | | | the image |
| 2100 | |
| 2101 | */ |
| 2102 | |
| 2103 | static void |
| 2104 | x_draw_image_glyph_string (struct glyph_string *s) |
| 2105 | { |
| 2106 | int x, y; |
| 2107 | int box_line_hwidth = eabs (s->face->box_line_width); |
| 2108 | int box_line_vwidth = max (s->face->box_line_width, 0); |
| 2109 | int height; |
| 2110 | HBITMAP pixmap = 0; |
| 2111 | |
| 2112 | height = s->height - 2 * box_line_vwidth; |
| 2113 | |
| 2114 | /* Fill background with face under the image. Do it only if row is |
| 2115 | taller than image or if image has a clip mask to reduce |
| 2116 | flickering. */ |
| 2117 | s->stippled_p = s->face->stipple != 0; |
| 2118 | if (height > s->slice.height |
| 2119 | || s->img->hmargin |
| 2120 | || s->img->vmargin |
| 2121 | || s->img->mask |
| 2122 | || s->img->pixmap == 0 |
| 2123 | || s->width != s->background_width) |
| 2124 | { |
| 2125 | x = s->x; |
| 2126 | if (s->first_glyph->left_box_line_p |
| 2127 | && s->slice.x == 0) |
| 2128 | x += box_line_hwidth; |
| 2129 | |
| 2130 | y = s->y; |
| 2131 | if (s->slice.y == 0) |
| 2132 | y += box_line_vwidth; |
| 2133 | |
| 2134 | #if 0 /* TODO: figure out if we need to do this on Windows. */ |
| 2135 | if (s->img->mask) |
| 2136 | { |
| 2137 | /* Create a pixmap as large as the glyph string. Fill it |
| 2138 | with the background color. Copy the image to it, using |
| 2139 | its mask. Copy the temporary pixmap to the display. */ |
| 2140 | Screen *screen = FRAME_X_SCREEN (s->f); |
| 2141 | int depth = DefaultDepthOfScreen (screen); |
| 2142 | |
| 2143 | /* Create a pixmap as large as the glyph string. */ |
| 2144 | pixmap = XCreatePixmap (s->display, s->window, |
| 2145 | s->background_width, |
| 2146 | s->height, depth); |
| 2147 | |
| 2148 | /* Don't clip in the following because we're working on the |
| 2149 | pixmap. */ |
| 2150 | XSetClipMask (s->display, s->gc, None); |
| 2151 | |
| 2152 | /* Fill the pixmap with the background color/stipple. */ |
| 2153 | if (s->stippled_p) |
| 2154 | { |
| 2155 | /* Fill background with a stipple pattern. */ |
| 2156 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); |
| 2157 | XFillRectangle (s->display, pixmap, s->gc, |
| 2158 | 0, 0, s->background_width, s->height); |
| 2159 | XSetFillStyle (s->display, s->gc, FillSolid); |
| 2160 | } |
| 2161 | else |
| 2162 | { |
| 2163 | XGCValues xgcv; |
| 2164 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, |
| 2165 | &xgcv); |
| 2166 | XSetForeground (s->display, s->gc, xgcv.background); |
| 2167 | XFillRectangle (s->display, pixmap, s->gc, |
| 2168 | 0, 0, s->background_width, s->height); |
| 2169 | XSetForeground (s->display, s->gc, xgcv.foreground); |
| 2170 | } |
| 2171 | } |
| 2172 | else |
| 2173 | #endif |
| 2174 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); |
| 2175 | |
| 2176 | s->background_filled_p = 1; |
| 2177 | } |
| 2178 | |
| 2179 | /* Draw the foreground. */ |
| 2180 | if (pixmap != 0) |
| 2181 | { |
| 2182 | w32_draw_image_foreground_1 (s, pixmap); |
| 2183 | x_set_glyph_string_clipping (s); |
| 2184 | { |
| 2185 | HDC compat_hdc = CreateCompatibleDC (s->hdc); |
| 2186 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); |
| 2187 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); |
| 2188 | HGDIOBJ orig_obj = SelectObject (compat_hdc, pixmap); |
| 2189 | |
| 2190 | SetTextColor (s->hdc, s->gc->foreground); |
| 2191 | SetBkColor (s->hdc, s->gc->background); |
| 2192 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, |
| 2193 | compat_hdc, 0, 0, SRCCOPY); |
| 2194 | |
| 2195 | SelectObject (s->hdc, orig_brush); |
| 2196 | DeleteObject (fg_brush); |
| 2197 | SelectObject (compat_hdc, orig_obj); |
| 2198 | DeleteDC (compat_hdc); |
| 2199 | } |
| 2200 | DeleteObject (pixmap); |
| 2201 | pixmap = 0; |
| 2202 | } |
| 2203 | else |
| 2204 | x_draw_image_foreground (s); |
| 2205 | |
| 2206 | /* If we must draw a relief around the image, do it. */ |
| 2207 | if (s->img->relief |
| 2208 | || s->hl == DRAW_IMAGE_RAISED |
| 2209 | || s->hl == DRAW_IMAGE_SUNKEN) |
| 2210 | x_draw_image_relief (s); |
| 2211 | } |
| 2212 | |
| 2213 | |
| 2214 | /* Draw stretch glyph string S. */ |
| 2215 | |
| 2216 | static void |
| 2217 | x_draw_stretch_glyph_string (struct glyph_string *s) |
| 2218 | { |
| 2219 | eassert (s->first_glyph->type == STRETCH_GLYPH); |
| 2220 | |
| 2221 | if (s->hl == DRAW_CURSOR |
| 2222 | && !x_stretch_cursor_p) |
| 2223 | { |
| 2224 | /* If `x-stretch-cursor' is nil, don't draw a block cursor as |
| 2225 | wide as the stretch glyph. */ |
| 2226 | int width, background_width = s->background_width; |
| 2227 | int x = s->x; |
| 2228 | |
| 2229 | if (!s->row->reversed_p) |
| 2230 | { |
| 2231 | int left_x = window_box_left_offset (s->w, TEXT_AREA); |
| 2232 | |
| 2233 | if (x < left_x) |
| 2234 | { |
| 2235 | background_width -= left_x - x; |
| 2236 | x = left_x; |
| 2237 | } |
| 2238 | } |
| 2239 | else |
| 2240 | { |
| 2241 | /* In R2L rows, draw the cursor on the right edge of the |
| 2242 | stretch glyph. */ |
| 2243 | int right_x = window_box_right_offset (s->w, TEXT_AREA); |
| 2244 | |
| 2245 | if (x + background_width > right_x) |
| 2246 | background_width -= x - right_x; |
| 2247 | x += background_width; |
| 2248 | } |
| 2249 | width = min (FRAME_COLUMN_WIDTH (s->f), background_width); |
| 2250 | if (s->row->reversed_p) |
| 2251 | x -= width; |
| 2252 | |
| 2253 | /* Draw cursor. */ |
| 2254 | x_draw_glyph_string_bg_rect (s, x, s->y, width, s->height); |
| 2255 | |
| 2256 | /* Clear rest using the GC of the original non-cursor face. */ |
| 2257 | if (width < background_width) |
| 2258 | { |
| 2259 | XGCValues *gc = s->face->gc; |
| 2260 | int y = s->y; |
| 2261 | int w = background_width - width, h = s->height; |
| 2262 | RECT r; |
| 2263 | HDC hdc = s->hdc; |
| 2264 | |
| 2265 | if (!s->row->reversed_p) |
| 2266 | x += width; |
| 2267 | else |
| 2268 | x = s->x; |
| 2269 | if (s->row->mouse_face_p |
| 2270 | && cursor_in_mouse_face_p (s->w)) |
| 2271 | { |
| 2272 | x_set_mouse_face_gc (s); |
| 2273 | gc = s->gc; |
| 2274 | } |
| 2275 | else |
| 2276 | gc = s->face->gc; |
| 2277 | |
| 2278 | get_glyph_string_clip_rect (s, &r); |
| 2279 | w32_set_clip_rectangle (hdc, &r); |
| 2280 | |
| 2281 | #if 0 /* TODO: stipple */ |
| 2282 | if (s->face->stipple) |
| 2283 | { |
| 2284 | /* Fill background with a stipple pattern. */ |
| 2285 | XSetFillStyle (s->display, gc, FillOpaqueStippled); |
| 2286 | XFillRectangle (s->display, s->window, gc, x, y, w, h); |
| 2287 | XSetFillStyle (s->display, gc, FillSolid); |
| 2288 | } |
| 2289 | else |
| 2290 | #endif |
| 2291 | { |
| 2292 | w32_fill_area (s->f, s->hdc, gc->background, x, y, w, h); |
| 2293 | } |
| 2294 | } |
| 2295 | } |
| 2296 | else if (!s->background_filled_p) |
| 2297 | { |
| 2298 | int background_width = s->background_width; |
| 2299 | int x = s->x, left_x = window_box_left_offset (s->w, TEXT_AREA); |
| 2300 | |
| 2301 | /* Don't draw into left margin, fringe or scrollbar area |
| 2302 | except for header line and mode line. */ |
| 2303 | if (x < left_x && !s->row->mode_line_p) |
| 2304 | { |
| 2305 | background_width -= left_x - x; |
| 2306 | x = left_x; |
| 2307 | } |
| 2308 | if (background_width > 0) |
| 2309 | x_draw_glyph_string_bg_rect (s, x, s->y, background_width, s->height); |
| 2310 | } |
| 2311 | |
| 2312 | s->background_filled_p = 1; |
| 2313 | } |
| 2314 | |
| 2315 | |
| 2316 | /* Draw glyph string S. */ |
| 2317 | |
| 2318 | static void |
| 2319 | x_draw_glyph_string (struct glyph_string *s) |
| 2320 | { |
| 2321 | bool relief_drawn_p = 0; |
| 2322 | |
| 2323 | /* If S draws into the background of its successor, draw the |
| 2324 | background of the successor first so that S can draw into it. |
| 2325 | This makes S->next use XDrawString instead of XDrawImageString. */ |
| 2326 | if (s->next && s->right_overhang && !s->for_overlaps) |
| 2327 | { |
| 2328 | int width; |
| 2329 | struct glyph_string *next; |
| 2330 | for (width = 0, next = s->next; |
| 2331 | next && width < s->right_overhang; |
| 2332 | width += next->width, next = next->next) |
| 2333 | if (next->first_glyph->type != IMAGE_GLYPH) |
| 2334 | { |
| 2335 | x_set_glyph_string_gc (next); |
| 2336 | x_set_glyph_string_clipping (next); |
| 2337 | if (next->first_glyph->type == STRETCH_GLYPH) |
| 2338 | x_draw_stretch_glyph_string (next); |
| 2339 | else |
| 2340 | x_draw_glyph_string_background (next, 1); |
| 2341 | next->num_clips = 0; |
| 2342 | } |
| 2343 | } |
| 2344 | |
| 2345 | /* Set up S->gc, set clipping and draw S. */ |
| 2346 | x_set_glyph_string_gc (s); |
| 2347 | |
| 2348 | /* Draw relief (if any) in advance for char/composition so that the |
| 2349 | glyph string can be drawn over it. */ |
| 2350 | if (!s->for_overlaps |
| 2351 | && s->face->box != FACE_NO_BOX |
| 2352 | && (s->first_glyph->type == CHAR_GLYPH |
| 2353 | || s->first_glyph->type == COMPOSITE_GLYPH)) |
| 2354 | |
| 2355 | { |
| 2356 | x_set_glyph_string_clipping (s); |
| 2357 | x_draw_glyph_string_background (s, 1); |
| 2358 | x_draw_glyph_string_box (s); |
| 2359 | x_set_glyph_string_clipping (s); |
| 2360 | relief_drawn_p = 1; |
| 2361 | } |
| 2362 | else if (!s->clip_head /* draw_glyphs didn't specify a clip mask. */ |
| 2363 | && !s->clip_tail |
| 2364 | && ((s->prev && s->prev->hl != s->hl && s->left_overhang) |
| 2365 | || (s->next && s->next->hl != s->hl && s->right_overhang))) |
| 2366 | /* We must clip just this glyph. left_overhang part has already |
| 2367 | drawn when s->prev was drawn, and right_overhang part will be |
| 2368 | drawn later when s->next is drawn. */ |
| 2369 | x_set_glyph_string_clipping_exactly (s, s); |
| 2370 | else |
| 2371 | x_set_glyph_string_clipping (s); |
| 2372 | |
| 2373 | switch (s->first_glyph->type) |
| 2374 | { |
| 2375 | case IMAGE_GLYPH: |
| 2376 | x_draw_image_glyph_string (s); |
| 2377 | break; |
| 2378 | |
| 2379 | case STRETCH_GLYPH: |
| 2380 | x_draw_stretch_glyph_string (s); |
| 2381 | break; |
| 2382 | |
| 2383 | case CHAR_GLYPH: |
| 2384 | if (s->for_overlaps) |
| 2385 | s->background_filled_p = 1; |
| 2386 | else |
| 2387 | x_draw_glyph_string_background (s, 0); |
| 2388 | x_draw_glyph_string_foreground (s); |
| 2389 | break; |
| 2390 | |
| 2391 | case COMPOSITE_GLYPH: |
| 2392 | if (s->for_overlaps || (s->cmp_from > 0 |
| 2393 | && ! s->first_glyph->u.cmp.automatic)) |
| 2394 | s->background_filled_p = 1; |
| 2395 | else |
| 2396 | x_draw_glyph_string_background (s, 1); |
| 2397 | x_draw_composite_glyph_string_foreground (s); |
| 2398 | break; |
| 2399 | |
| 2400 | case GLYPHLESS_GLYPH: |
| 2401 | if (s->for_overlaps) |
| 2402 | s->background_filled_p = 1; |
| 2403 | else |
| 2404 | x_draw_glyph_string_background (s, 0); |
| 2405 | x_draw_glyphless_glyph_string_foreground (s); |
| 2406 | break; |
| 2407 | |
| 2408 | default: |
| 2409 | emacs_abort (); |
| 2410 | } |
| 2411 | |
| 2412 | if (!s->for_overlaps) |
| 2413 | { |
| 2414 | /* Draw underline. */ |
| 2415 | if (s->face->underline_p) |
| 2416 | { |
| 2417 | if (s->face->underline_type == FACE_UNDER_WAVE) |
| 2418 | { |
| 2419 | COLORREF color; |
| 2420 | |
| 2421 | if (s->face->underline_defaulted_p) |
| 2422 | color = s->gc->foreground; |
| 2423 | else |
| 2424 | color = s->face->underline_color; |
| 2425 | |
| 2426 | w32_draw_underwave (s, color); |
| 2427 | } |
| 2428 | else if (s->face->underline_type == FACE_UNDER_LINE) |
| 2429 | { |
| 2430 | unsigned long thickness, position; |
| 2431 | int y; |
| 2432 | |
| 2433 | if (s->prev && s->prev->face->underline_p |
| 2434 | && s->prev->face->underline_type == FACE_UNDER_LINE) |
| 2435 | { |
| 2436 | /* We use the same underline style as the previous one. */ |
| 2437 | thickness = s->prev->underline_thickness; |
| 2438 | position = s->prev->underline_position; |
| 2439 | } |
| 2440 | else |
| 2441 | { |
| 2442 | /* Get the underline thickness. Default is 1 pixel. */ |
| 2443 | if (s->font && s->font->underline_thickness > 0) |
| 2444 | thickness = s->font->underline_thickness; |
| 2445 | else |
| 2446 | thickness = 1; |
| 2447 | if (x_underline_at_descent_line) |
| 2448 | position = (s->height - thickness) - (s->ybase - s->y); |
| 2449 | else |
| 2450 | { |
| 2451 | /* Get the underline position. This is the recommended |
| 2452 | vertical offset in pixels from the baseline to the top of |
| 2453 | the underline. This is a signed value according to the |
| 2454 | specs, and its default is |
| 2455 | |
| 2456 | ROUND ((maximum_descent) / 2), with |
| 2457 | ROUND (x) = floor (x + 0.5) */ |
| 2458 | |
| 2459 | if (x_use_underline_position_properties |
| 2460 | && s->font && s->font->underline_position >= 0) |
| 2461 | position = s->font->underline_position; |
| 2462 | else if (s->font) |
| 2463 | position = (s->font->descent + 1) / 2; |
| 2464 | } |
| 2465 | position = max (position, underline_minimum_offset); |
| 2466 | } |
| 2467 | /* Check the sanity of thickness and position. We should |
| 2468 | avoid drawing underline out of the current line area. */ |
| 2469 | if (s->y + s->height <= s->ybase + position) |
| 2470 | position = (s->height - 1) - (s->ybase - s->y); |
| 2471 | if (s->y + s->height < s->ybase + position + thickness) |
| 2472 | thickness = (s->y + s->height) - (s->ybase + position); |
| 2473 | s->underline_thickness = thickness; |
| 2474 | s->underline_position =position; |
| 2475 | y = s->ybase + position; |
| 2476 | if (s->face->underline_defaulted_p) |
| 2477 | { |
| 2478 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, |
| 2479 | y, s->width, 1); |
| 2480 | } |
| 2481 | else |
| 2482 | { |
| 2483 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, |
| 2484 | y, s->width, 1); |
| 2485 | } |
| 2486 | } |
| 2487 | } |
| 2488 | /* Draw overline. */ |
| 2489 | if (s->face->overline_p) |
| 2490 | { |
| 2491 | unsigned long dy = 0, h = 1; |
| 2492 | |
| 2493 | if (s->face->overline_color_defaulted_p) |
| 2494 | { |
| 2495 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, |
| 2496 | s->y + dy, s->width, h); |
| 2497 | } |
| 2498 | else |
| 2499 | { |
| 2500 | w32_fill_area (s->f, s->hdc, s->face->overline_color, s->x, |
| 2501 | s->y + dy, s->width, h); |
| 2502 | } |
| 2503 | } |
| 2504 | |
| 2505 | /* Draw strike-through. */ |
| 2506 | if (s->face->strike_through_p |
| 2507 | && !FONT_TEXTMETRIC (s->font).tmStruckOut) |
| 2508 | { |
| 2509 | unsigned long h = 1; |
| 2510 | unsigned long dy = (s->height - h) / 2; |
| 2511 | |
| 2512 | if (s->face->strike_through_color_defaulted_p) |
| 2513 | { |
| 2514 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, s->y + dy, |
| 2515 | s->width, h); |
| 2516 | } |
| 2517 | else |
| 2518 | { |
| 2519 | w32_fill_area (s->f, s->hdc, s->face->strike_through_color, s->x, |
| 2520 | s->y + dy, s->width, h); |
| 2521 | } |
| 2522 | } |
| 2523 | |
| 2524 | /* Draw relief if not yet drawn. */ |
| 2525 | if (!relief_drawn_p && s->face->box != FACE_NO_BOX) |
| 2526 | x_draw_glyph_string_box (s); |
| 2527 | |
| 2528 | if (s->prev) |
| 2529 | { |
| 2530 | struct glyph_string *prev; |
| 2531 | |
| 2532 | for (prev = s->prev; prev; prev = prev->prev) |
| 2533 | if (prev->hl != s->hl |
| 2534 | && prev->x + prev->width + prev->right_overhang > s->x) |
| 2535 | { |
| 2536 | /* As prev was drawn while clipped to its own area, we |
| 2537 | must draw the right_overhang part using s->hl now. */ |
| 2538 | enum draw_glyphs_face save = prev->hl; |
| 2539 | |
| 2540 | prev->hl = s->hl; |
| 2541 | x_set_glyph_string_gc (prev); |
| 2542 | x_set_glyph_string_clipping_exactly (s, prev); |
| 2543 | if (prev->first_glyph->type == CHAR_GLYPH) |
| 2544 | x_draw_glyph_string_foreground (prev); |
| 2545 | else |
| 2546 | x_draw_composite_glyph_string_foreground (prev); |
| 2547 | w32_set_clip_rectangle (prev->hdc, NULL); |
| 2548 | prev->hl = save; |
| 2549 | prev->num_clips = 0; |
| 2550 | } |
| 2551 | } |
| 2552 | |
| 2553 | if (s->next) |
| 2554 | { |
| 2555 | struct glyph_string *next; |
| 2556 | |
| 2557 | for (next = s->next; next; next = next->next) |
| 2558 | if (next->hl != s->hl |
| 2559 | && next->x - next->left_overhang < s->x + s->width) |
| 2560 | { |
| 2561 | /* As next will be drawn while clipped to its own area, |
| 2562 | we must draw the left_overhang part using s->hl now. */ |
| 2563 | enum draw_glyphs_face save = next->hl; |
| 2564 | |
| 2565 | next->hl = s->hl; |
| 2566 | x_set_glyph_string_gc (next); |
| 2567 | x_set_glyph_string_clipping_exactly (s, next); |
| 2568 | if (next->first_glyph->type == CHAR_GLYPH) |
| 2569 | x_draw_glyph_string_foreground (next); |
| 2570 | else |
| 2571 | x_draw_composite_glyph_string_foreground (next); |
| 2572 | w32_set_clip_rectangle (next->hdc, NULL); |
| 2573 | next->hl = save; |
| 2574 | next->num_clips = 0; |
| 2575 | next->clip_head = s->next; |
| 2576 | } |
| 2577 | } |
| 2578 | } |
| 2579 | |
| 2580 | /* Reset clipping. */ |
| 2581 | w32_set_clip_rectangle (s->hdc, NULL); |
| 2582 | s->num_clips = 0; |
| 2583 | } |
| 2584 | |
| 2585 | |
| 2586 | /* Shift display to make room for inserted glyphs. */ |
| 2587 | |
| 2588 | void |
| 2589 | w32_shift_glyphs_for_insert (struct frame *f, int x, int y, |
| 2590 | int width, int height, int shift_by) |
| 2591 | { |
| 2592 | HDC hdc; |
| 2593 | |
| 2594 | hdc = get_frame_dc (f); |
| 2595 | BitBlt (hdc, x + shift_by, y, width, height, |
| 2596 | hdc, x, y, SRCCOPY); |
| 2597 | |
| 2598 | release_frame_dc (f, hdc); |
| 2599 | } |
| 2600 | |
| 2601 | |
| 2602 | /* Delete N glyphs at the nominal cursor position. Not implemented |
| 2603 | for X frames. */ |
| 2604 | |
| 2605 | static void |
| 2606 | x_delete_glyphs (struct frame *f, register int n) |
| 2607 | { |
| 2608 | if (! FRAME_W32_P (f)) |
| 2609 | return; |
| 2610 | |
| 2611 | emacs_abort (); |
| 2612 | } |
| 2613 | |
| 2614 | |
| 2615 | /* Clear entire frame. */ |
| 2616 | |
| 2617 | static void |
| 2618 | x_clear_frame (struct frame *f) |
| 2619 | { |
| 2620 | if (! FRAME_W32_P (f)) |
| 2621 | return; |
| 2622 | |
| 2623 | /* Clearing the frame will erase any cursor, so mark them all as no |
| 2624 | longer visible. */ |
| 2625 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); |
| 2626 | |
| 2627 | block_input (); |
| 2628 | |
| 2629 | w32_clear_window (f); |
| 2630 | |
| 2631 | /* We have to clear the scroll bars, too. If we have changed |
| 2632 | colors or something like that, then they should be notified. */ |
| 2633 | x_scroll_bar_clear (f); |
| 2634 | |
| 2635 | unblock_input (); |
| 2636 | } |
| 2637 | |
| 2638 | \f |
| 2639 | /* Make audible bell. */ |
| 2640 | |
| 2641 | static void |
| 2642 | w32_ring_bell (struct frame *f) |
| 2643 | { |
| 2644 | block_input (); |
| 2645 | |
| 2646 | if (FRAME_W32_P (f) && visible_bell) |
| 2647 | { |
| 2648 | int i; |
| 2649 | HWND hwnd = FRAME_W32_WINDOW (f); |
| 2650 | |
| 2651 | for (i = 0; i < 5; i++) |
| 2652 | { |
| 2653 | FlashWindow (hwnd, TRUE); |
| 2654 | Sleep (10); |
| 2655 | } |
| 2656 | FlashWindow (hwnd, FALSE); |
| 2657 | } |
| 2658 | else |
| 2659 | w32_sys_ring_bell (f); |
| 2660 | |
| 2661 | unblock_input (); |
| 2662 | } |
| 2663 | |
| 2664 | /*********************************************************************** |
| 2665 | Line Dance |
| 2666 | ***********************************************************************/ |
| 2667 | |
| 2668 | /* Perform an insert-lines or delete-lines operation, inserting N |
| 2669 | lines or deleting -N lines at vertical position VPOS. */ |
| 2670 | |
| 2671 | static void |
| 2672 | x_ins_del_lines (struct frame *f, int vpos, int n) |
| 2673 | { |
| 2674 | if (! FRAME_W32_P (f)) |
| 2675 | return; |
| 2676 | |
| 2677 | emacs_abort (); |
| 2678 | } |
| 2679 | |
| 2680 | |
| 2681 | /* Scroll part of the display as described by RUN. */ |
| 2682 | |
| 2683 | static void |
| 2684 | x_scroll_run (struct window *w, struct run *run) |
| 2685 | { |
| 2686 | struct frame *f = XFRAME (w->frame); |
| 2687 | int x, y, width, height, from_y, to_y, bottom_y; |
| 2688 | HWND hwnd = FRAME_W32_WINDOW (f); |
| 2689 | HRGN expect_dirty; |
| 2690 | |
| 2691 | /* Get frame-relative bounding box of the text display area of W, |
| 2692 | without mode lines. Include in this box the left and right |
| 2693 | fringes of W. */ |
| 2694 | window_box (w, ANY_AREA, &x, &y, &width, &height); |
| 2695 | |
| 2696 | /* If the fringe is adjacent to the left (right) scroll bar of a |
| 2697 | leftmost (rightmost, respectively) window, then extend its |
| 2698 | background to the gap between the fringe and the bar. */ |
| 2699 | if ((WINDOW_LEFTMOST_P (w) |
| 2700 | && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w)) |
| 2701 | || (WINDOW_RIGHTMOST_P (w) |
| 2702 | && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w))) |
| 2703 | { |
| 2704 | int sb_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 2705 | |
| 2706 | if (sb_width > 0) |
| 2707 | { |
| 2708 | int bar_area_x = WINDOW_SCROLL_BAR_AREA_X (w); |
| 2709 | int bar_area_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 2710 | |
| 2711 | if (bar_area_x + bar_area_width == x) |
| 2712 | { |
| 2713 | x = bar_area_x + sb_width; |
| 2714 | width += bar_area_width - sb_width; |
| 2715 | } |
| 2716 | else if (x + width == bar_area_x) |
| 2717 | width += bar_area_width - sb_width; |
| 2718 | } |
| 2719 | } |
| 2720 | |
| 2721 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); |
| 2722 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); |
| 2723 | bottom_y = y + height; |
| 2724 | |
| 2725 | if (to_y < from_y) |
| 2726 | { |
| 2727 | /* Scrolling up. Make sure we don't copy part of the mode |
| 2728 | line at the bottom. */ |
| 2729 | if (from_y + run->height > bottom_y) |
| 2730 | height = bottom_y - from_y; |
| 2731 | else |
| 2732 | height = run->height; |
| 2733 | expect_dirty = CreateRectRgn (x, y + height, x + width, bottom_y); |
| 2734 | } |
| 2735 | else |
| 2736 | { |
| 2737 | /* Scrolling down. Make sure we don't copy over the mode line. |
| 2738 | at the bottom. */ |
| 2739 | if (to_y + run->height > bottom_y) |
| 2740 | height = bottom_y - to_y; |
| 2741 | else |
| 2742 | height = run->height; |
| 2743 | expect_dirty = CreateRectRgn (x, y, x + width, to_y); |
| 2744 | } |
| 2745 | |
| 2746 | block_input (); |
| 2747 | |
| 2748 | /* Cursor off. Will be switched on again in x_update_window_end. */ |
| 2749 | x_clear_cursor (w); |
| 2750 | |
| 2751 | { |
| 2752 | RECT from; |
| 2753 | RECT to; |
| 2754 | HRGN dirty = CreateRectRgn (0, 0, 0, 0); |
| 2755 | HRGN combined = CreateRectRgn (0, 0, 0, 0); |
| 2756 | |
| 2757 | from.left = to.left = x; |
| 2758 | from.right = to.right = x + width; |
| 2759 | from.top = from_y; |
| 2760 | from.bottom = from_y + height; |
| 2761 | to.top = y; |
| 2762 | to.bottom = bottom_y; |
| 2763 | |
| 2764 | ScrollWindowEx (hwnd, 0, to_y - from_y, &from, &to, dirty, |
| 2765 | NULL, SW_INVALIDATE); |
| 2766 | |
| 2767 | /* Combine this with what we expect to be dirty. This covers the |
| 2768 | case where not all of the region we expect is actually dirty. */ |
| 2769 | CombineRgn (combined, dirty, expect_dirty, RGN_OR); |
| 2770 | |
| 2771 | /* If the dirty region is not what we expected, redraw the entire frame. */ |
| 2772 | if (!EqualRgn (combined, expect_dirty)) |
| 2773 | SET_FRAME_GARBAGED (f); |
| 2774 | |
| 2775 | DeleteObject (dirty); |
| 2776 | DeleteObject (combined); |
| 2777 | } |
| 2778 | |
| 2779 | unblock_input (); |
| 2780 | DeleteObject (expect_dirty); |
| 2781 | } |
| 2782 | |
| 2783 | |
| 2784 | \f |
| 2785 | /*********************************************************************** |
| 2786 | Exposure Events |
| 2787 | ***********************************************************************/ |
| 2788 | |
| 2789 | static void |
| 2790 | frame_highlight (struct frame *f) |
| 2791 | { |
| 2792 | x_update_cursor (f, 1); |
| 2793 | x_set_frame_alpha (f); |
| 2794 | } |
| 2795 | |
| 2796 | static void |
| 2797 | frame_unhighlight (struct frame *f) |
| 2798 | { |
| 2799 | x_update_cursor (f, 1); |
| 2800 | x_set_frame_alpha (f); |
| 2801 | } |
| 2802 | |
| 2803 | /* The focus has changed. Update the frames as necessary to reflect |
| 2804 | the new situation. Note that we can't change the selected frame |
| 2805 | here, because the Lisp code we are interrupting might become confused. |
| 2806 | Each event gets marked with the frame in which it occurred, so the |
| 2807 | Lisp code can tell when the switch took place by examining the events. */ |
| 2808 | |
| 2809 | static void |
| 2810 | x_new_focus_frame (struct w32_display_info *dpyinfo, struct frame *frame) |
| 2811 | { |
| 2812 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
| 2813 | |
| 2814 | if (frame != dpyinfo->w32_focus_frame) |
| 2815 | { |
| 2816 | /* Set this before calling other routines, so that they see |
| 2817 | the correct value of w32_focus_frame. */ |
| 2818 | dpyinfo->w32_focus_frame = frame; |
| 2819 | |
| 2820 | if (old_focus && old_focus->auto_lower) |
| 2821 | x_lower_frame (old_focus); |
| 2822 | |
| 2823 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
| 2824 | dpyinfo->w32_pending_autoraise_frame = dpyinfo->w32_focus_frame; |
| 2825 | else |
| 2826 | dpyinfo->w32_pending_autoraise_frame = NULL; |
| 2827 | } |
| 2828 | |
| 2829 | x_frame_rehighlight (dpyinfo); |
| 2830 | } |
| 2831 | |
| 2832 | |
| 2833 | /* Handle FocusIn and FocusOut state changes for FRAME. |
| 2834 | If FRAME has focus and there exists more than one frame, puts |
| 2835 | a FOCUS_IN_EVENT into *BUFP. */ |
| 2836 | |
| 2837 | static void |
| 2838 | x_focus_changed (int type, int state, struct w32_display_info *dpyinfo, |
| 2839 | struct frame *frame, struct input_event *bufp) |
| 2840 | { |
| 2841 | if (type == WM_SETFOCUS) |
| 2842 | { |
| 2843 | if (dpyinfo->w32_focus_event_frame != frame) |
| 2844 | { |
| 2845 | x_new_focus_frame (dpyinfo, frame); |
| 2846 | dpyinfo->w32_focus_event_frame = frame; |
| 2847 | |
| 2848 | /* Don't stop displaying the initial startup message |
| 2849 | for a switch-frame event we don't need. */ |
| 2850 | if (NILP (Vterminal_frame) |
| 2851 | && CONSP (Vframe_list) |
| 2852 | && !NILP (XCDR (Vframe_list))) |
| 2853 | { |
| 2854 | bufp->arg = Qt; |
| 2855 | } |
| 2856 | else |
| 2857 | { |
| 2858 | bufp->arg = Qnil; |
| 2859 | } |
| 2860 | |
| 2861 | bufp->kind = FOCUS_IN_EVENT; |
| 2862 | XSETFRAME (bufp->frame_or_window, frame); |
| 2863 | } |
| 2864 | |
| 2865 | frame->output_data.x->focus_state |= state; |
| 2866 | |
| 2867 | /* TODO: IME focus? */ |
| 2868 | } |
| 2869 | else if (type == WM_KILLFOCUS) |
| 2870 | { |
| 2871 | frame->output_data.x->focus_state &= ~state; |
| 2872 | |
| 2873 | if (dpyinfo->w32_focus_event_frame == frame) |
| 2874 | { |
| 2875 | dpyinfo->w32_focus_event_frame = 0; |
| 2876 | x_new_focus_frame (dpyinfo, 0); |
| 2877 | |
| 2878 | bufp->kind = FOCUS_OUT_EVENT; |
| 2879 | XSETFRAME (bufp->frame_or_window, frame); |
| 2880 | } |
| 2881 | |
| 2882 | /* TODO: IME focus? */ |
| 2883 | } |
| 2884 | } |
| 2885 | |
| 2886 | |
| 2887 | /* The focus may have changed. Figure out if it is a real focus change, |
| 2888 | by checking both FocusIn/Out and Enter/LeaveNotify events. |
| 2889 | |
| 2890 | Returns FOCUS_IN_EVENT event in *BUFP. */ |
| 2891 | |
| 2892 | static void |
| 2893 | w32_detect_focus_change (struct w32_display_info *dpyinfo, W32Msg *event, |
| 2894 | struct input_event *bufp) |
| 2895 | { |
| 2896 | struct frame *frame; |
| 2897 | |
| 2898 | frame = x_any_window_to_frame (dpyinfo, event->msg.hwnd); |
| 2899 | if (! frame) |
| 2900 | return; |
| 2901 | |
| 2902 | /* On w32, this is only called from focus events, so no switch needed. */ |
| 2903 | x_focus_changed (event->msg.message, |
| 2904 | (event->msg.message == WM_KILLFOCUS ? |
| 2905 | FOCUS_IMPLICIT : FOCUS_EXPLICIT), |
| 2906 | dpyinfo, frame, bufp); |
| 2907 | } |
| 2908 | |
| 2909 | |
| 2910 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
| 2911 | |
| 2912 | void |
| 2913 | x_mouse_leave (struct w32_display_info *dpyinfo) |
| 2914 | { |
| 2915 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
| 2916 | } |
| 2917 | |
| 2918 | /* The focus has changed, or we have redirected a frame's focus to |
| 2919 | another frame (this happens when a frame uses a surrogate |
| 2920 | mini-buffer frame). Shift the highlight as appropriate. |
| 2921 | |
| 2922 | The FRAME argument doesn't necessarily have anything to do with which |
| 2923 | frame is being highlighted or un-highlighted; we only use it to find |
| 2924 | the appropriate X display info. */ |
| 2925 | |
| 2926 | static void |
| 2927 | w32_frame_rehighlight (struct frame *frame) |
| 2928 | { |
| 2929 | if (! FRAME_W32_P (frame)) |
| 2930 | return; |
| 2931 | x_frame_rehighlight (FRAME_DISPLAY_INFO (frame)); |
| 2932 | } |
| 2933 | |
| 2934 | static void |
| 2935 | x_frame_rehighlight (struct w32_display_info *dpyinfo) |
| 2936 | { |
| 2937 | struct frame *old_highlight = dpyinfo->x_highlight_frame; |
| 2938 | |
| 2939 | if (dpyinfo->w32_focus_frame) |
| 2940 | { |
| 2941 | dpyinfo->x_highlight_frame |
| 2942 | = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) |
| 2943 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) |
| 2944 | : dpyinfo->w32_focus_frame); |
| 2945 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) |
| 2946 | { |
| 2947 | fset_focus_frame (dpyinfo->w32_focus_frame, Qnil); |
| 2948 | dpyinfo->x_highlight_frame = dpyinfo->w32_focus_frame; |
| 2949 | } |
| 2950 | } |
| 2951 | else |
| 2952 | dpyinfo->x_highlight_frame = 0; |
| 2953 | |
| 2954 | if (dpyinfo->x_highlight_frame != old_highlight) |
| 2955 | { |
| 2956 | if (old_highlight) |
| 2957 | frame_unhighlight (old_highlight); |
| 2958 | if (dpyinfo->x_highlight_frame) |
| 2959 | frame_highlight (dpyinfo->x_highlight_frame); |
| 2960 | } |
| 2961 | } |
| 2962 | \f |
| 2963 | /* Keyboard processing - modifier keys, etc. */ |
| 2964 | |
| 2965 | /* Convert a keysym to its name. */ |
| 2966 | |
| 2967 | char * |
| 2968 | x_get_keysym_name (int keysym) |
| 2969 | { |
| 2970 | /* Make static so we can always return it */ |
| 2971 | static char value[100]; |
| 2972 | |
| 2973 | block_input (); |
| 2974 | GetKeyNameText (keysym, value, 100); |
| 2975 | unblock_input (); |
| 2976 | |
| 2977 | return value; |
| 2978 | } |
| 2979 | |
| 2980 | static int |
| 2981 | codepage_for_locale (LCID locale) |
| 2982 | { |
| 2983 | char cp[20]; |
| 2984 | |
| 2985 | if (GetLocaleInfo (locale, LOCALE_IDEFAULTANSICODEPAGE, cp, 20) > 0) |
| 2986 | return atoi (cp); |
| 2987 | else |
| 2988 | return CP_ACP; |
| 2989 | } |
| 2990 | |
| 2991 | \f |
| 2992 | /* Mouse clicks and mouse movement. Rah. */ |
| 2993 | |
| 2994 | /* Parse a button MESSAGE. The button index is returned in PBUTTON, and |
| 2995 | the state in PUP. XBUTTON provides extra information for extended mouse |
| 2996 | button messages. Returns FALSE if unable to parse the message. */ |
| 2997 | BOOL |
| 2998 | parse_button (int message, int xbutton, int * pbutton, int * pup) |
| 2999 | { |
| 3000 | int button = 0; |
| 3001 | int up = 0; |
| 3002 | |
| 3003 | switch (message) |
| 3004 | { |
| 3005 | case WM_LBUTTONDOWN: |
| 3006 | button = 0; |
| 3007 | up = 0; |
| 3008 | break; |
| 3009 | case WM_LBUTTONUP: |
| 3010 | button = 0; |
| 3011 | up = 1; |
| 3012 | break; |
| 3013 | case WM_MBUTTONDOWN: |
| 3014 | if (NILP (Vw32_swap_mouse_buttons)) |
| 3015 | button = 1; |
| 3016 | else |
| 3017 | button = 2; |
| 3018 | up = 0; |
| 3019 | break; |
| 3020 | case WM_MBUTTONUP: |
| 3021 | if (NILP (Vw32_swap_mouse_buttons)) |
| 3022 | button = 1; |
| 3023 | else |
| 3024 | button = 2; |
| 3025 | up = 1; |
| 3026 | break; |
| 3027 | case WM_RBUTTONDOWN: |
| 3028 | if (NILP (Vw32_swap_mouse_buttons)) |
| 3029 | button = 2; |
| 3030 | else |
| 3031 | button = 1; |
| 3032 | up = 0; |
| 3033 | break; |
| 3034 | case WM_RBUTTONUP: |
| 3035 | if (NILP (Vw32_swap_mouse_buttons)) |
| 3036 | button = 2; |
| 3037 | else |
| 3038 | button = 1; |
| 3039 | up = 1; |
| 3040 | break; |
| 3041 | case WM_XBUTTONDOWN: |
| 3042 | button = xbutton + 2; |
| 3043 | up = 0; |
| 3044 | break; |
| 3045 | case WM_XBUTTONUP: |
| 3046 | button = xbutton + 2; |
| 3047 | up = 1; |
| 3048 | break; |
| 3049 | default: |
| 3050 | return (FALSE); |
| 3051 | } |
| 3052 | |
| 3053 | if (pup) *pup = up; |
| 3054 | if (pbutton) *pbutton = button; |
| 3055 | |
| 3056 | return (TRUE); |
| 3057 | } |
| 3058 | |
| 3059 | |
| 3060 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
| 3061 | |
| 3062 | If the event is a button press, then note that we have grabbed |
| 3063 | the mouse. */ |
| 3064 | |
| 3065 | static Lisp_Object |
| 3066 | construct_mouse_click (struct input_event *result, W32Msg *msg, struct frame *f) |
| 3067 | { |
| 3068 | int button; |
| 3069 | int up; |
| 3070 | |
| 3071 | parse_button (msg->msg.message, HIWORD (msg->msg.wParam), |
| 3072 | &button, &up); |
| 3073 | |
| 3074 | /* Make the event type NO_EVENT; we'll change that when we decide |
| 3075 | otherwise. */ |
| 3076 | result->kind = MOUSE_CLICK_EVENT; |
| 3077 | result->code = button; |
| 3078 | result->timestamp = msg->msg.time; |
| 3079 | result->modifiers = (msg->dwModifiers |
| 3080 | | (up |
| 3081 | ? up_modifier |
| 3082 | : down_modifier)); |
| 3083 | |
| 3084 | XSETINT (result->x, LOWORD (msg->msg.lParam)); |
| 3085 | XSETINT (result->y, HIWORD (msg->msg.lParam)); |
| 3086 | XSETFRAME (result->frame_or_window, f); |
| 3087 | result->arg = Qnil; |
| 3088 | return Qnil; |
| 3089 | } |
| 3090 | |
| 3091 | static Lisp_Object |
| 3092 | construct_mouse_wheel (struct input_event *result, W32Msg *msg, struct frame *f) |
| 3093 | { |
| 3094 | POINT p; |
| 3095 | int delta; |
| 3096 | |
| 3097 | result->kind = msg->msg.message == WM_MOUSEHWHEEL ? HORIZ_WHEEL_EVENT |
| 3098 | : WHEEL_EVENT; |
| 3099 | result->code = 0; |
| 3100 | result->timestamp = msg->msg.time; |
| 3101 | |
| 3102 | /* A WHEEL_DELTA positive value indicates that the wheel was rotated |
| 3103 | forward, away from the user (up); a negative value indicates that |
| 3104 | the wheel was rotated backward, toward the user (down). */ |
| 3105 | delta = GET_WHEEL_DELTA_WPARAM (msg->msg.wParam); |
| 3106 | |
| 3107 | /* The up and down modifiers indicate if the wheel was rotated up or |
| 3108 | down based on WHEEL_DELTA value. */ |
| 3109 | result->modifiers = (msg->dwModifiers |
| 3110 | | ((delta < 0 ) ? down_modifier : up_modifier)); |
| 3111 | |
| 3112 | /* With multiple monitors, we can legitimately get negative |
| 3113 | coordinates, so cast to short to interpret them correctly. */ |
| 3114 | p.x = (short) LOWORD (msg->msg.lParam); |
| 3115 | p.y = (short) HIWORD (msg->msg.lParam); |
| 3116 | ScreenToClient (msg->msg.hwnd, &p); |
| 3117 | XSETINT (result->x, p.x); |
| 3118 | XSETINT (result->y, p.y); |
| 3119 | XSETFRAME (result->frame_or_window, f); |
| 3120 | result->arg = Qnil; |
| 3121 | return Qnil; |
| 3122 | } |
| 3123 | |
| 3124 | static Lisp_Object |
| 3125 | construct_drag_n_drop (struct input_event *result, W32Msg *msg, struct frame *f) |
| 3126 | { |
| 3127 | Lisp_Object files; |
| 3128 | Lisp_Object frame; |
| 3129 | HDROP hdrop; |
| 3130 | POINT p; |
| 3131 | WORD num_files; |
| 3132 | wchar_t name_w[MAX_PATH]; |
| 3133 | #ifdef NTGUI_UNICODE |
| 3134 | const int use_unicode = 1; |
| 3135 | #else |
| 3136 | int use_unicode = w32_unicode_filenames; |
| 3137 | char name_a[MAX_PATH]; |
| 3138 | char file[MAX_UTF8_PATH]; |
| 3139 | #endif |
| 3140 | int i; |
| 3141 | |
| 3142 | result->kind = DRAG_N_DROP_EVENT; |
| 3143 | result->code = 0; |
| 3144 | result->timestamp = msg->msg.time; |
| 3145 | result->modifiers = msg->dwModifiers; |
| 3146 | |
| 3147 | hdrop = (HDROP) msg->msg.wParam; |
| 3148 | DragQueryPoint (hdrop, &p); |
| 3149 | |
| 3150 | #if 0 |
| 3151 | p.x = LOWORD (msg->msg.lParam); |
| 3152 | p.y = HIWORD (msg->msg.lParam); |
| 3153 | ScreenToClient (msg->msg.hwnd, &p); |
| 3154 | #endif |
| 3155 | |
| 3156 | XSETINT (result->x, p.x); |
| 3157 | XSETINT (result->y, p.y); |
| 3158 | |
| 3159 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); |
| 3160 | files = Qnil; |
| 3161 | |
| 3162 | for (i = 0; i < num_files; i++) |
| 3163 | { |
| 3164 | if (use_unicode) |
| 3165 | { |
| 3166 | eassert (DragQueryFileW (hdrop, i, NULL, 0) < MAX_PATH); |
| 3167 | /* If DragQueryFile returns zero, it failed to fetch a file |
| 3168 | name. */ |
| 3169 | if (DragQueryFileW (hdrop, i, name_w, MAX_PATH) == 0) |
| 3170 | continue; |
| 3171 | #ifdef NTGUI_UNICODE |
| 3172 | files = Fcons (from_unicode_buffer (name_w), files); |
| 3173 | #else |
| 3174 | filename_from_utf16 (name_w, file); |
| 3175 | files = Fcons (DECODE_FILE (build_unibyte_string (file)), files); |
| 3176 | #endif /* NTGUI_UNICODE */ |
| 3177 | } |
| 3178 | #ifndef NTGUI_UNICODE |
| 3179 | else |
| 3180 | { |
| 3181 | eassert (DragQueryFileA (hdrop, i, NULL, 0) < MAX_PATH); |
| 3182 | if (DragQueryFileA (hdrop, i, name_a, MAX_PATH) == 0) |
| 3183 | continue; |
| 3184 | filename_from_ansi (name_a, file); |
| 3185 | files = Fcons (DECODE_FILE (build_unibyte_string (file)), files); |
| 3186 | } |
| 3187 | #endif |
| 3188 | } |
| 3189 | |
| 3190 | DragFinish (hdrop); |
| 3191 | |
| 3192 | XSETFRAME (frame, f); |
| 3193 | result->frame_or_window = frame; |
| 3194 | result->arg = files; |
| 3195 | return Qnil; |
| 3196 | } |
| 3197 | |
| 3198 | \f |
| 3199 | #if HAVE_W32NOTIFY |
| 3200 | |
| 3201 | /* File event notifications (see w32notify.c). */ |
| 3202 | |
| 3203 | Lisp_Object |
| 3204 | lispy_file_action (DWORD action) |
| 3205 | { |
| 3206 | static char unknown_fmt[] = "unknown-action(%d)"; |
| 3207 | Lisp_Object retval; |
| 3208 | |
| 3209 | switch (action) |
| 3210 | { |
| 3211 | case FILE_ACTION_ADDED: |
| 3212 | retval = Qadded; |
| 3213 | break; |
| 3214 | case FILE_ACTION_REMOVED: |
| 3215 | retval = Qremoved; |
| 3216 | break; |
| 3217 | case FILE_ACTION_MODIFIED: |
| 3218 | retval = Qmodified; |
| 3219 | break; |
| 3220 | case FILE_ACTION_RENAMED_OLD_NAME: |
| 3221 | retval = Qrenamed_from; |
| 3222 | break; |
| 3223 | case FILE_ACTION_RENAMED_NEW_NAME: |
| 3224 | retval = Qrenamed_to; |
| 3225 | break; |
| 3226 | default: |
| 3227 | { |
| 3228 | char buf[sizeof(unknown_fmt) - 1 + INT_STRLEN_BOUND (DWORD)]; |
| 3229 | |
| 3230 | sprintf (buf, unknown_fmt, action); |
| 3231 | retval = intern (buf); |
| 3232 | } |
| 3233 | break; |
| 3234 | } |
| 3235 | |
| 3236 | return retval; |
| 3237 | } |
| 3238 | |
| 3239 | #ifdef WINDOWSNT |
| 3240 | /* Put file notifications into the Emacs input event queue. This |
| 3241 | function runs when the WM_EMACS_FILENOTIFY message arrives from a |
| 3242 | watcher thread. */ |
| 3243 | static void |
| 3244 | queue_notifications (struct input_event *event, W32Msg *msg, struct frame *f, |
| 3245 | int *evcount) |
| 3246 | { |
| 3247 | BYTE *p = file_notifications; |
| 3248 | FILE_NOTIFY_INFORMATION *fni = (PFILE_NOTIFY_INFORMATION)p; |
| 3249 | const DWORD min_size |
| 3250 | = offsetof (FILE_NOTIFY_INFORMATION, FileName) + sizeof(wchar_t); |
| 3251 | Lisp_Object frame; |
| 3252 | |
| 3253 | /* We cannot process notification before Emacs is fully initialized, |
| 3254 | since we need the UTF-16LE coding-system to be set up. */ |
| 3255 | if (!initialized) |
| 3256 | { |
| 3257 | notification_buffer_in_use = 0; |
| 3258 | return; |
| 3259 | } |
| 3260 | |
| 3261 | XSETFRAME (frame, f); |
| 3262 | |
| 3263 | enter_crit (); |
| 3264 | if (notification_buffer_in_use) |
| 3265 | { |
| 3266 | DWORD info_size = notifications_size; |
| 3267 | Lisp_Object cs = intern ("utf-16le"); |
| 3268 | Lisp_Object obj = w32_get_watch_object (notifications_desc); |
| 3269 | |
| 3270 | /* notifications_size could be zero when the buffer of |
| 3271 | notifications overflowed on the OS level, or when the |
| 3272 | directory being watched was itself deleted. Do nothing in |
| 3273 | that case. */ |
| 3274 | if (info_size |
| 3275 | && !NILP (obj) && CONSP (obj)) |
| 3276 | { |
| 3277 | Lisp_Object callback = XCDR (obj); |
| 3278 | |
| 3279 | while (info_size >= min_size) |
| 3280 | { |
| 3281 | Lisp_Object utf_16_fn |
| 3282 | = make_unibyte_string ((char *)fni->FileName, |
| 3283 | fni->FileNameLength); |
| 3284 | /* Note: mule-conf is preloaded, so utf-16le must |
| 3285 | already be defined at this point. */ |
| 3286 | Lisp_Object fname |
| 3287 | = code_convert_string_norecord (utf_16_fn, cs, 0); |
| 3288 | Lisp_Object action = lispy_file_action (fni->Action); |
| 3289 | |
| 3290 | event->kind = FILE_NOTIFY_EVENT; |
| 3291 | event->code |
| 3292 | = (ptrdiff_t)XINT (XIL ((EMACS_INT)notifications_desc)); |
| 3293 | event->timestamp = msg->msg.time; |
| 3294 | event->modifiers = 0; |
| 3295 | event->frame_or_window = callback; |
| 3296 | event->arg = Fcons (action, fname); |
| 3297 | kbd_buffer_store_event (event); |
| 3298 | (*evcount)++; |
| 3299 | |
| 3300 | if (!fni->NextEntryOffset) |
| 3301 | break; |
| 3302 | p += fni->NextEntryOffset; |
| 3303 | fni = (PFILE_NOTIFY_INFORMATION)p; |
| 3304 | info_size -= fni->NextEntryOffset; |
| 3305 | } |
| 3306 | } |
| 3307 | notification_buffer_in_use = 0; |
| 3308 | } |
| 3309 | else |
| 3310 | DebPrint (("We were promised notifications, but in-use flag is zero!\n")); |
| 3311 | leave_crit (); |
| 3312 | |
| 3313 | /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */ |
| 3314 | event->kind = NO_EVENT; |
| 3315 | } |
| 3316 | #endif /* WINDOWSNT */ |
| 3317 | #endif /* HAVE_W32NOTIFY */ |
| 3318 | |
| 3319 | \f |
| 3320 | /* Function to report a mouse movement to the mainstream Emacs code. |
| 3321 | The input handler calls this. |
| 3322 | |
| 3323 | We have received a mouse movement event, which is given in *event. |
| 3324 | If the mouse is over a different glyph than it was last time, tell |
| 3325 | the mainstream emacs code by setting mouse_moved. If not, ask for |
| 3326 | another motion event, so we can check again the next time it moves. */ |
| 3327 | |
| 3328 | static int |
| 3329 | note_mouse_movement (struct frame *frame, MSG *msg) |
| 3330 | { |
| 3331 | struct w32_display_info *dpyinfo; |
| 3332 | int mouse_x = LOWORD (msg->lParam); |
| 3333 | int mouse_y = HIWORD (msg->lParam); |
| 3334 | RECT *r; |
| 3335 | |
| 3336 | if (!FRAME_X_OUTPUT (frame)) |
| 3337 | return 0; |
| 3338 | |
| 3339 | dpyinfo = FRAME_DISPLAY_INFO (frame); |
| 3340 | dpyinfo->last_mouse_movement_time = msg->time; |
| 3341 | dpyinfo->last_mouse_motion_frame = frame; |
| 3342 | dpyinfo->last_mouse_motion_x = mouse_x; |
| 3343 | dpyinfo->last_mouse_motion_y = mouse_y; |
| 3344 | |
| 3345 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
| 3346 | { |
| 3347 | frame->mouse_moved = 1; |
| 3348 | dpyinfo->last_mouse_scroll_bar = NULL; |
| 3349 | note_mouse_highlight (frame, -1, -1); |
| 3350 | dpyinfo->last_mouse_glyph_frame = NULL; |
| 3351 | return 1; |
| 3352 | } |
| 3353 | |
| 3354 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
| 3355 | r = &dpyinfo->last_mouse_glyph; |
| 3356 | if (frame != dpyinfo->last_mouse_glyph_frame |
| 3357 | || mouse_x < r->left || mouse_x >= r->right |
| 3358 | || mouse_y < r->top || mouse_y >= r->bottom) |
| 3359 | { |
| 3360 | frame->mouse_moved = 1; |
| 3361 | dpyinfo->last_mouse_scroll_bar = NULL; |
| 3362 | note_mouse_highlight (frame, mouse_x, mouse_y); |
| 3363 | /* Remember the mouse position here, as w32_mouse_position only |
| 3364 | gets called when mouse tracking is enabled but we also need |
| 3365 | to keep track of the mouse for help_echo and highlighting at |
| 3366 | other times. */ |
| 3367 | remember_mouse_glyph (frame, mouse_x, mouse_y, r); |
| 3368 | dpyinfo->last_mouse_glyph_frame = frame; |
| 3369 | return 1; |
| 3370 | } |
| 3371 | |
| 3372 | return 0; |
| 3373 | } |
| 3374 | |
| 3375 | \f |
| 3376 | /************************************************************************ |
| 3377 | Mouse Face |
| 3378 | ************************************************************************/ |
| 3379 | |
| 3380 | static struct scroll_bar *x_window_to_scroll_bar (Window); |
| 3381 | static void x_scroll_bar_report_motion (struct frame **, Lisp_Object *, |
| 3382 | enum scroll_bar_part *, |
| 3383 | Lisp_Object *, Lisp_Object *, |
| 3384 | unsigned long *); |
| 3385 | static void x_check_fullscreen (struct frame *); |
| 3386 | |
| 3387 | static void |
| 3388 | w32_define_cursor (Window window, Cursor cursor) |
| 3389 | { |
| 3390 | PostMessage (window, WM_EMACS_SETCURSOR, (WPARAM) cursor, 0); |
| 3391 | } |
| 3392 | /* Return the current position of the mouse. |
| 3393 | *fp should be a frame which indicates which display to ask about. |
| 3394 | |
| 3395 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
| 3396 | and *part to the frame, window, and scroll bar part that the mouse |
| 3397 | is over. Set *x and *y to the portion and whole of the mouse's |
| 3398 | position on the scroll bar. |
| 3399 | |
| 3400 | If the mouse movement started elsewhere, set *fp to the frame the |
| 3401 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
| 3402 | the mouse is over. |
| 3403 | |
| 3404 | Set *time to the server time-stamp for the time at which the mouse |
| 3405 | was at this position. |
| 3406 | |
| 3407 | Don't store anything if we don't have a valid set of values to report. |
| 3408 | |
| 3409 | This clears the mouse_moved flag, so we can wait for the next mouse |
| 3410 | movement. */ |
| 3411 | |
| 3412 | static void |
| 3413 | w32_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window, |
| 3414 | enum scroll_bar_part *part, Lisp_Object *x, Lisp_Object *y, |
| 3415 | unsigned long *time) |
| 3416 | { |
| 3417 | struct frame *f1; |
| 3418 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (*fp); |
| 3419 | |
| 3420 | block_input (); |
| 3421 | |
| 3422 | if (dpyinfo->last_mouse_scroll_bar && insist == 0) |
| 3423 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
| 3424 | else |
| 3425 | { |
| 3426 | POINT pt; |
| 3427 | |
| 3428 | Lisp_Object frame, tail; |
| 3429 | |
| 3430 | /* Clear the mouse-moved flag for every frame on this display. */ |
| 3431 | FOR_EACH_FRAME (tail, frame) |
| 3432 | XFRAME (frame)->mouse_moved = 0; |
| 3433 | |
| 3434 | dpyinfo->last_mouse_scroll_bar = NULL; |
| 3435 | |
| 3436 | GetCursorPos (&pt); |
| 3437 | |
| 3438 | /* Now we have a position on the root; find the innermost window |
| 3439 | containing the pointer. */ |
| 3440 | { |
| 3441 | /* If mouse was grabbed on a frame, give coords for that |
| 3442 | frame even if the mouse is now outside it. Otherwise |
| 3443 | check for window under mouse on one of our frames. */ |
| 3444 | f1 = (x_mouse_grabbed (dpyinfo) ? dpyinfo->last_mouse_frame |
| 3445 | : x_any_window_to_frame (dpyinfo, WindowFromPoint (pt))); |
| 3446 | |
| 3447 | /* If not, is it one of our scroll bars? */ |
| 3448 | if (! f1) |
| 3449 | { |
| 3450 | struct scroll_bar *bar |
| 3451 | = x_window_to_scroll_bar (WindowFromPoint (pt)); |
| 3452 | |
| 3453 | if (bar) |
| 3454 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 3455 | } |
| 3456 | |
| 3457 | if (f1 == 0 && insist > 0) |
| 3458 | f1 = SELECTED_FRAME (); |
| 3459 | |
| 3460 | if (f1) |
| 3461 | { |
| 3462 | /* Ok, we found a frame. Store all the values. |
| 3463 | last_mouse_glyph is a rectangle used to reduce the |
| 3464 | generation of mouse events. To not miss any motion |
| 3465 | events, we must divide the frame into rectangles of the |
| 3466 | size of the smallest character that could be displayed |
| 3467 | on it, i.e. into the same rectangles that matrices on |
| 3468 | the frame are divided into. */ |
| 3469 | |
| 3470 | dpyinfo = FRAME_DISPLAY_INFO (f1); |
| 3471 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
| 3472 | remember_mouse_glyph (f1, pt.x, pt.y, &dpyinfo->last_mouse_glyph); |
| 3473 | dpyinfo->last_mouse_glyph_frame = f1; |
| 3474 | |
| 3475 | *bar_window = Qnil; |
| 3476 | *part = 0; |
| 3477 | *fp = f1; |
| 3478 | XSETINT (*x, pt.x); |
| 3479 | XSETINT (*y, pt.y); |
| 3480 | *time = dpyinfo->last_mouse_movement_time; |
| 3481 | } |
| 3482 | } |
| 3483 | } |
| 3484 | |
| 3485 | unblock_input (); |
| 3486 | } |
| 3487 | |
| 3488 | \f |
| 3489 | /*********************************************************************** |
| 3490 | Tool-bars |
| 3491 | ***********************************************************************/ |
| 3492 | |
| 3493 | /* Handle mouse button event on the tool-bar of frame F, at |
| 3494 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress |
| 3495 | or ButtonRelease. */ |
| 3496 | |
| 3497 | static void |
| 3498 | w32_handle_tool_bar_click (struct frame *f, struct input_event *button_event) |
| 3499 | { |
| 3500 | int x = XFASTINT (button_event->x); |
| 3501 | int y = XFASTINT (button_event->y); |
| 3502 | |
| 3503 | if (button_event->modifiers & down_modifier) |
| 3504 | handle_tool_bar_click (f, x, y, 1, 0); |
| 3505 | else |
| 3506 | handle_tool_bar_click (f, x, y, 0, |
| 3507 | button_event->modifiers & ~up_modifier); |
| 3508 | } |
| 3509 | |
| 3510 | |
| 3511 | \f |
| 3512 | /*********************************************************************** |
| 3513 | Scroll bars |
| 3514 | ***********************************************************************/ |
| 3515 | |
| 3516 | /* Scroll bar support. */ |
| 3517 | |
| 3518 | /* Given a window ID, find the struct scroll_bar which manages it. |
| 3519 | This can be called in GC, so we have to make sure to strip off mark |
| 3520 | bits. */ |
| 3521 | |
| 3522 | static struct scroll_bar * |
| 3523 | x_window_to_scroll_bar (Window window_id) |
| 3524 | { |
| 3525 | Lisp_Object tail, frame; |
| 3526 | |
| 3527 | FOR_EACH_FRAME (tail, frame) |
| 3528 | { |
| 3529 | Lisp_Object bar, condemned; |
| 3530 | |
| 3531 | /* Scan this frame's scroll bar list for a scroll bar with the |
| 3532 | right window ID. */ |
| 3533 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
| 3534 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); |
| 3535 | /* This trick allows us to search both the ordinary and |
| 3536 | condemned scroll bar lists with one loop. */ |
| 3537 | ! NILP (bar) || (bar = condemned, |
| 3538 | condemned = Qnil, |
| 3539 | ! NILP (bar)); |
| 3540 | bar = XSCROLL_BAR (bar)->next) |
| 3541 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
| 3542 | return XSCROLL_BAR (bar); |
| 3543 | } |
| 3544 | |
| 3545 | return 0; |
| 3546 | } |
| 3547 | |
| 3548 | |
| 3549 | \f |
| 3550 | /* Set the thumb size and position of scroll bar BAR. We are currently |
| 3551 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ |
| 3552 | |
| 3553 | static void |
| 3554 | w32_set_scroll_bar_thumb (struct scroll_bar *bar, |
| 3555 | int portion, int position, int whole) |
| 3556 | { |
| 3557 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
| 3558 | /* We use the whole scroll-bar height in the calculations below, to |
| 3559 | avoid strange effects like scrolling backwards when just clicking |
| 3560 | on the handle (without moving it). */ |
| 3561 | double range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, bar->height) |
| 3562 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 3563 | int sb_page, sb_pos; |
| 3564 | BOOL draggingp = bar->dragging ? TRUE : FALSE; |
| 3565 | SCROLLINFO si; |
| 3566 | |
| 3567 | /* We used to change the nPage setting while dragging the handle, |
| 3568 | but that had very strange effects (such as scrolling backwards |
| 3569 | while dragging downwards). |
| 3570 | |
| 3571 | Now, we don't change the nPage setting while dragging unless we |
| 3572 | get near to the end of the buffer, in which case we often have to |
| 3573 | resize the handle to "go all the way". */ |
| 3574 | |
| 3575 | if (draggingp) |
| 3576 | { |
| 3577 | int near_bottom_p; |
| 3578 | block_input (); |
| 3579 | si.cbSize = sizeof (si); |
| 3580 | si.fMask = SIF_POS | SIF_PAGE; |
| 3581 | GetScrollInfo (w, SB_CTL, &si); |
| 3582 | near_bottom_p = si.nPos + si.nPage >= range; |
| 3583 | unblock_input (); |
| 3584 | if (!near_bottom_p) |
| 3585 | return; |
| 3586 | } |
| 3587 | |
| 3588 | if (whole) |
| 3589 | { |
| 3590 | /* Position scroll bar at rock bottom if the bottom of the |
| 3591 | buffer is visible. This avoids shrinking the thumb away |
| 3592 | to nothing if it is held at the bottom of the buffer. */ |
| 3593 | if (position + portion >= whole && !draggingp) |
| 3594 | { |
| 3595 | sb_page = range * (whole - position) / whole; |
| 3596 | sb_pos = range; |
| 3597 | } |
| 3598 | else |
| 3599 | { |
| 3600 | sb_pos = position * range / whole; |
| 3601 | sb_page = (min (portion, (whole - position)) * range) / whole; |
| 3602 | } |
| 3603 | } |
| 3604 | else |
| 3605 | { |
| 3606 | sb_page = range; |
| 3607 | sb_pos = 0; |
| 3608 | } |
| 3609 | |
| 3610 | sb_page = max (sb_page, VERTICAL_SCROLL_BAR_MIN_HANDLE); |
| 3611 | |
| 3612 | block_input (); |
| 3613 | |
| 3614 | si.cbSize = sizeof (si); |
| 3615 | si.fMask = SIF_PAGE | SIF_POS; |
| 3616 | si.nPage = sb_page; |
| 3617 | si.nPos = sb_pos; |
| 3618 | |
| 3619 | SetScrollInfo (w, SB_CTL, &si, TRUE); |
| 3620 | |
| 3621 | unblock_input (); |
| 3622 | } |
| 3623 | |
| 3624 | \f |
| 3625 | /************************************************************************ |
| 3626 | Scroll bars, general |
| 3627 | ************************************************************************/ |
| 3628 | |
| 3629 | static HWND |
| 3630 | my_create_scrollbar (struct frame * f, struct scroll_bar * bar) |
| 3631 | { |
| 3632 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
| 3633 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, |
| 3634 | (LPARAM) bar); |
| 3635 | } |
| 3636 | |
| 3637 | /*#define ATTACH_THREADS*/ |
| 3638 | |
| 3639 | static BOOL |
| 3640 | my_show_window (struct frame *f, HWND hwnd, int how) |
| 3641 | { |
| 3642 | #ifndef ATTACH_THREADS |
| 3643 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
| 3644 | (WPARAM) hwnd, (LPARAM) how); |
| 3645 | #else |
| 3646 | return ShowWindow (hwnd, how); |
| 3647 | #endif |
| 3648 | } |
| 3649 | |
| 3650 | static void |
| 3651 | my_set_window_pos (HWND hwnd, HWND hwndAfter, |
| 3652 | int x, int y, int cx, int cy, UINT flags) |
| 3653 | { |
| 3654 | #ifndef ATTACH_THREADS |
| 3655 | WINDOWPOS pos; |
| 3656 | pos.hwndInsertAfter = hwndAfter; |
| 3657 | pos.x = x; |
| 3658 | pos.y = y; |
| 3659 | pos.cx = cx; |
| 3660 | pos.cy = cy; |
| 3661 | pos.flags = flags; |
| 3662 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); |
| 3663 | #else |
| 3664 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); |
| 3665 | #endif |
| 3666 | } |
| 3667 | |
| 3668 | #if 0 |
| 3669 | static void |
| 3670 | my_set_focus (struct frame * f, HWND hwnd) |
| 3671 | { |
| 3672 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, |
| 3673 | (WPARAM) hwnd, 0); |
| 3674 | } |
| 3675 | #endif |
| 3676 | |
| 3677 | static void |
| 3678 | my_set_foreground_window (HWND hwnd) |
| 3679 | { |
| 3680 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); |
| 3681 | } |
| 3682 | |
| 3683 | |
| 3684 | static void |
| 3685 | my_destroy_window (struct frame * f, HWND hwnd) |
| 3686 | { |
| 3687 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
| 3688 | (WPARAM) hwnd, 0); |
| 3689 | } |
| 3690 | |
| 3691 | static void |
| 3692 | my_bring_window_to_top (HWND hwnd) |
| 3693 | { |
| 3694 | SendMessage (hwnd, WM_EMACS_BRINGTOTOP, (WPARAM) hwnd, 0); |
| 3695 | } |
| 3696 | |
| 3697 | /* Create a scroll bar and return the scroll bar vector for it. W is |
| 3698 | the Emacs window on which to create the scroll bar. TOP, LEFT, |
| 3699 | WIDTH and HEIGHT are the pixel coordinates and dimensions of the |
| 3700 | scroll bar. */ |
| 3701 | |
| 3702 | static struct scroll_bar * |
| 3703 | x_scroll_bar_create (struct window *w, int top, int left, int width, int height) |
| 3704 | { |
| 3705 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 3706 | HWND hwnd; |
| 3707 | SCROLLINFO si; |
| 3708 | struct scroll_bar *bar |
| 3709 | = ALLOCATE_PSEUDOVECTOR (struct scroll_bar, top, PVEC_OTHER); |
| 3710 | Lisp_Object barobj; |
| 3711 | |
| 3712 | block_input (); |
| 3713 | |
| 3714 | XSETWINDOW (bar->window, w); |
| 3715 | bar->top = top; |
| 3716 | bar->left = left; |
| 3717 | bar->width = width; |
| 3718 | bar->height = height; |
| 3719 | bar->start = 0; |
| 3720 | bar->end = 0; |
| 3721 | bar->dragging = 0; |
| 3722 | bar->fringe_extended_p = 0; |
| 3723 | |
| 3724 | /* Requires geometry to be set before call to create the real window */ |
| 3725 | |
| 3726 | hwnd = my_create_scrollbar (f, bar); |
| 3727 | |
| 3728 | si.cbSize = sizeof (si); |
| 3729 | si.fMask = SIF_ALL; |
| 3730 | si.nMin = 0; |
| 3731 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) |
| 3732 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 3733 | si.nPage = si.nMax; |
| 3734 | si.nPos = 0; |
| 3735 | |
| 3736 | SetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
| 3737 | |
| 3738 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
| 3739 | |
| 3740 | /* Add bar to its frame's list of scroll bars. */ |
| 3741 | bar->next = FRAME_SCROLL_BARS (f); |
| 3742 | bar->prev = Qnil; |
| 3743 | XSETVECTOR (barobj, bar); |
| 3744 | fset_scroll_bars (f, barobj); |
| 3745 | if (! NILP (bar->next)) |
| 3746 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 3747 | |
| 3748 | unblock_input (); |
| 3749 | |
| 3750 | return bar; |
| 3751 | } |
| 3752 | |
| 3753 | |
| 3754 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
| 3755 | nil. */ |
| 3756 | |
| 3757 | static void |
| 3758 | x_scroll_bar_remove (struct scroll_bar *bar) |
| 3759 | { |
| 3760 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 3761 | |
| 3762 | block_input (); |
| 3763 | |
| 3764 | /* Destroy the window. */ |
| 3765 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
| 3766 | |
| 3767 | /* Dissociate this scroll bar from its window. */ |
| 3768 | wset_vertical_scroll_bar (XWINDOW (bar->window), Qnil); |
| 3769 | |
| 3770 | unblock_input (); |
| 3771 | } |
| 3772 | |
| 3773 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
| 3774 | that we are displaying PORTION characters out of a total of WHOLE |
| 3775 | characters, starting at POSITION. If WINDOW has no scroll bar, |
| 3776 | create one. */ |
| 3777 | static void |
| 3778 | w32_set_vertical_scroll_bar (struct window *w, |
| 3779 | int portion, int whole, int position) |
| 3780 | { |
| 3781 | struct frame *f = XFRAME (w->frame); |
| 3782 | Lisp_Object barobj; |
| 3783 | struct scroll_bar *bar; |
| 3784 | int top, height, left, sb_left, width, sb_width; |
| 3785 | int window_y, window_height; |
| 3786 | bool fringe_extended_p; |
| 3787 | |
| 3788 | /* Get window dimensions. */ |
| 3789 | window_box (w, ANY_AREA, 0, &window_y, 0, &window_height); |
| 3790 | top = window_y; |
| 3791 | width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 3792 | height = window_height; |
| 3793 | |
| 3794 | /* Compute the left edge of the scroll bar area. */ |
| 3795 | left = WINDOW_SCROLL_BAR_AREA_X (w); |
| 3796 | |
| 3797 | /* Compute the width of the scroll bar which might be less than |
| 3798 | the width of the area reserved for the scroll bar. */ |
| 3799 | if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w) > 0) |
| 3800 | sb_width = WINDOW_CONFIG_SCROLL_BAR_WIDTH (w); |
| 3801 | else |
| 3802 | sb_width = width; |
| 3803 | |
| 3804 | /* Compute the left edge of the scroll bar. */ |
| 3805 | if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w)) |
| 3806 | sb_left = left + (WINDOW_RIGHTMOST_P (w) ? width - sb_width : 0); |
| 3807 | else |
| 3808 | sb_left = left + (WINDOW_LEFTMOST_P (w) ? 0 : width - sb_width); |
| 3809 | |
| 3810 | fringe_extended_p = WINDOW_FRINGE_EXTENDED_P (w); |
| 3811 | |
| 3812 | /* Does the scroll bar exist yet? */ |
| 3813 | if (NILP (w->vertical_scroll_bar)) |
| 3814 | { |
| 3815 | HDC hdc; |
| 3816 | block_input (); |
| 3817 | if (width > 0 && height > 0) |
| 3818 | { |
| 3819 | hdc = get_frame_dc (f); |
| 3820 | if (fringe_extended_p) |
| 3821 | w32_clear_area (f, hdc, sb_left, top, sb_width, height); |
| 3822 | else |
| 3823 | w32_clear_area (f, hdc, left, top, width, height); |
| 3824 | release_frame_dc (f, hdc); |
| 3825 | } |
| 3826 | unblock_input (); |
| 3827 | |
| 3828 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
| 3829 | } |
| 3830 | else |
| 3831 | { |
| 3832 | /* It may just need to be moved and resized. */ |
| 3833 | HWND hwnd; |
| 3834 | |
| 3835 | bar = XSCROLL_BAR (w->vertical_scroll_bar); |
| 3836 | hwnd = SCROLL_BAR_W32_WINDOW (bar); |
| 3837 | |
| 3838 | /* If already correctly positioned, do nothing. */ |
| 3839 | if (bar->left == sb_left |
| 3840 | && bar->top == top |
| 3841 | && bar->width == sb_width |
| 3842 | && bar->height == height |
| 3843 | && bar->fringe_extended_p == fringe_extended_p) |
| 3844 | { |
| 3845 | /* Redraw after clear_frame. */ |
| 3846 | if (!my_show_window (f, hwnd, SW_NORMAL)) |
| 3847 | InvalidateRect (hwnd, NULL, FALSE); |
| 3848 | } |
| 3849 | else |
| 3850 | { |
| 3851 | HDC hdc; |
| 3852 | SCROLLINFO si; |
| 3853 | |
| 3854 | block_input (); |
| 3855 | if (width && height) |
| 3856 | { |
| 3857 | hdc = get_frame_dc (f); |
| 3858 | /* Since Windows scroll bars are smaller than the space reserved |
| 3859 | for them on the frame, we have to clear "under" them. */ |
| 3860 | if (fringe_extended_p) |
| 3861 | w32_clear_area (f, hdc, sb_left, top, sb_width, height); |
| 3862 | else |
| 3863 | w32_clear_area (f, hdc, left, top, width, height); |
| 3864 | release_frame_dc (f, hdc); |
| 3865 | } |
| 3866 | /* Make sure scroll bar is "visible" before moving, to ensure the |
| 3867 | area of the parent window now exposed will be refreshed. */ |
| 3868 | my_show_window (f, hwnd, SW_HIDE); |
| 3869 | MoveWindow (hwnd, sb_left, top, sb_width, |
| 3870 | max (height, 1), TRUE); |
| 3871 | |
| 3872 | si.cbSize = sizeof (si); |
| 3873 | si.fMask = SIF_RANGE; |
| 3874 | si.nMin = 0; |
| 3875 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) |
| 3876 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 3877 | |
| 3878 | SetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
| 3879 | |
| 3880 | my_show_window (f, hwnd, SW_NORMAL); |
| 3881 | /* InvalidateRect (w, NULL, FALSE); */ |
| 3882 | |
| 3883 | /* Remember new settings. */ |
| 3884 | bar->left = sb_left; |
| 3885 | bar->top = top; |
| 3886 | bar->width = sb_width; |
| 3887 | bar->height = height; |
| 3888 | |
| 3889 | unblock_input (); |
| 3890 | } |
| 3891 | } |
| 3892 | bar->fringe_extended_p = fringe_extended_p; |
| 3893 | |
| 3894 | w32_set_scroll_bar_thumb (bar, portion, position, whole); |
| 3895 | XSETVECTOR (barobj, bar); |
| 3896 | wset_vertical_scroll_bar (w, barobj); |
| 3897 | } |
| 3898 | |
| 3899 | |
| 3900 | /* The following three hooks are used when we're doing a thorough |
| 3901 | redisplay of the frame. We don't explicitly know which scroll bars |
| 3902 | are going to be deleted, because keeping track of when windows go |
| 3903 | away is a real pain - "Can you say set-window-configuration, boys |
| 3904 | and girls?" Instead, we just assert at the beginning of redisplay |
| 3905 | that *all* scroll bars are to be removed, and then save a scroll bar |
| 3906 | from the fiery pit when we actually redisplay its window. */ |
| 3907 | |
| 3908 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
| 3909 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if |
| 3910 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
| 3911 | |
| 3912 | static void |
| 3913 | w32_condemn_scroll_bars (struct frame *frame) |
| 3914 | { |
| 3915 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
| 3916 | while (! NILP (FRAME_SCROLL_BARS (frame))) |
| 3917 | { |
| 3918 | Lisp_Object bar; |
| 3919 | bar = FRAME_SCROLL_BARS (frame); |
| 3920 | fset_scroll_bars (frame, XSCROLL_BAR (bar)->next); |
| 3921 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); |
| 3922 | XSCROLL_BAR (bar)->prev = Qnil; |
| 3923 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
| 3924 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; |
| 3925 | fset_condemned_scroll_bars (frame, bar); |
| 3926 | } |
| 3927 | } |
| 3928 | |
| 3929 | |
| 3930 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
| 3931 | Note that WINDOW isn't necessarily condemned at all. */ |
| 3932 | |
| 3933 | static void |
| 3934 | w32_redeem_scroll_bar (struct window *window) |
| 3935 | { |
| 3936 | struct scroll_bar *bar; |
| 3937 | Lisp_Object barobj; |
| 3938 | struct frame *f; |
| 3939 | |
| 3940 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
| 3941 | if (NILP (window->vertical_scroll_bar)) |
| 3942 | emacs_abort (); |
| 3943 | |
| 3944 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
| 3945 | |
| 3946 | /* Unlink it from the condemned list. */ |
| 3947 | f = XFRAME (WINDOW_FRAME (window)); |
| 3948 | if (NILP (bar->prev)) |
| 3949 | { |
| 3950 | /* If the prev pointer is nil, it must be the first in one of |
| 3951 | the lists. */ |
| 3952 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
| 3953 | /* It's not condemned. Everything's fine. */ |
| 3954 | return; |
| 3955 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
| 3956 | window->vertical_scroll_bar)) |
| 3957 | fset_condemned_scroll_bars (f, bar->next); |
| 3958 | else |
| 3959 | /* If its prev pointer is nil, it must be at the front of |
| 3960 | one or the other! */ |
| 3961 | emacs_abort (); |
| 3962 | } |
| 3963 | else |
| 3964 | XSCROLL_BAR (bar->prev)->next = bar->next; |
| 3965 | |
| 3966 | if (! NILP (bar->next)) |
| 3967 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
| 3968 | |
| 3969 | bar->next = FRAME_SCROLL_BARS (f); |
| 3970 | bar->prev = Qnil; |
| 3971 | XSETVECTOR (barobj, bar); |
| 3972 | fset_scroll_bars (f, barobj); |
| 3973 | if (! NILP (bar->next)) |
| 3974 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
| 3975 | } |
| 3976 | |
| 3977 | /* Remove all scroll bars on FRAME that haven't been saved since the |
| 3978 | last call to `*condemn_scroll_bars_hook'. */ |
| 3979 | |
| 3980 | static void |
| 3981 | w32_judge_scroll_bars (struct frame *f) |
| 3982 | { |
| 3983 | Lisp_Object bar, next; |
| 3984 | |
| 3985 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
| 3986 | |
| 3987 | /* Clear out the condemned list now so we won't try to process any |
| 3988 | more events on the hapless scroll bars. */ |
| 3989 | fset_condemned_scroll_bars (f, Qnil); |
| 3990 | |
| 3991 | for (; ! NILP (bar); bar = next) |
| 3992 | { |
| 3993 | struct scroll_bar *b = XSCROLL_BAR (bar); |
| 3994 | |
| 3995 | x_scroll_bar_remove (b); |
| 3996 | |
| 3997 | next = b->next; |
| 3998 | b->next = b->prev = Qnil; |
| 3999 | } |
| 4000 | |
| 4001 | /* Now there should be no references to the condemned scroll bars, |
| 4002 | and they should get garbage-collected. */ |
| 4003 | } |
| 4004 | |
| 4005 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
| 4006 | is set to something other than NO_EVENT, it is enqueued. |
| 4007 | |
| 4008 | This may be called from a signal handler, so we have to ignore GC |
| 4009 | mark bits. */ |
| 4010 | |
| 4011 | static int |
| 4012 | w32_scroll_bar_handle_click (struct scroll_bar *bar, W32Msg *msg, |
| 4013 | struct input_event *emacs_event) |
| 4014 | { |
| 4015 | if (! WINDOWP (bar->window)) |
| 4016 | emacs_abort (); |
| 4017 | |
| 4018 | emacs_event->kind = SCROLL_BAR_CLICK_EVENT; |
| 4019 | emacs_event->code = 0; |
| 4020 | /* not really meaningful to distinguish up/down */ |
| 4021 | emacs_event->modifiers = msg->dwModifiers; |
| 4022 | emacs_event->frame_or_window = bar->window; |
| 4023 | emacs_event->arg = Qnil; |
| 4024 | emacs_event->timestamp = msg->msg.time; |
| 4025 | |
| 4026 | { |
| 4027 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, bar->height); |
| 4028 | int y; |
| 4029 | int dragging = bar->dragging; |
| 4030 | SCROLLINFO si; |
| 4031 | |
| 4032 | si.cbSize = sizeof (si); |
| 4033 | si.fMask = SIF_POS; |
| 4034 | |
| 4035 | GetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); |
| 4036 | y = si.nPos; |
| 4037 | |
| 4038 | bar->dragging = 0; |
| 4039 | FRAME_DISPLAY_INFO (f)->last_mouse_scroll_bar_pos = msg->msg.wParam; |
| 4040 | |
| 4041 | switch (LOWORD (msg->msg.wParam)) |
| 4042 | { |
| 4043 | case SB_LINEDOWN: |
| 4044 | emacs_event->part = scroll_bar_down_arrow; |
| 4045 | break; |
| 4046 | case SB_LINEUP: |
| 4047 | emacs_event->part = scroll_bar_up_arrow; |
| 4048 | break; |
| 4049 | case SB_PAGEUP: |
| 4050 | emacs_event->part = scroll_bar_above_handle; |
| 4051 | break; |
| 4052 | case SB_PAGEDOWN: |
| 4053 | emacs_event->part = scroll_bar_below_handle; |
| 4054 | break; |
| 4055 | case SB_TOP: |
| 4056 | emacs_event->part = scroll_bar_handle; |
| 4057 | y = 0; |
| 4058 | break; |
| 4059 | case SB_BOTTOM: |
| 4060 | emacs_event->part = scroll_bar_handle; |
| 4061 | y = top_range; |
| 4062 | break; |
| 4063 | case SB_THUMBTRACK: |
| 4064 | case SB_THUMBPOSITION: |
| 4065 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, bar->height) <= 0xffff) |
| 4066 | y = HIWORD (msg->msg.wParam); |
| 4067 | bar->dragging = 1; /* ??????? */ |
| 4068 | emacs_event->part = scroll_bar_handle; |
| 4069 | |
| 4070 | /* "Silently" update current position. */ |
| 4071 | { |
| 4072 | SCROLLINFO si; |
| 4073 | |
| 4074 | si.cbSize = sizeof (si); |
| 4075 | si.fMask = SIF_POS; |
| 4076 | si.nPos = y; |
| 4077 | /* Remember apparent position (we actually lag behind the real |
| 4078 | position, so don't set that directly). */ |
| 4079 | last_scroll_bar_drag_pos = y; |
| 4080 | |
| 4081 | SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); |
| 4082 | } |
| 4083 | break; |
| 4084 | case SB_ENDSCROLL: |
| 4085 | /* If this is the end of a drag sequence, then reset the scroll |
| 4086 | handle size to normal and do a final redraw. Otherwise do |
| 4087 | nothing. */ |
| 4088 | if (dragging) |
| 4089 | { |
| 4090 | SCROLLINFO si; |
| 4091 | int start = bar->start; |
| 4092 | int end = bar->end; |
| 4093 | |
| 4094 | si.cbSize = sizeof (si); |
| 4095 | si.fMask = SIF_PAGE | SIF_POS; |
| 4096 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
| 4097 | si.nPos = last_scroll_bar_drag_pos; |
| 4098 | SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); |
| 4099 | } |
| 4100 | /* fall through */ |
| 4101 | default: |
| 4102 | emacs_event->kind = NO_EVENT; |
| 4103 | return FALSE; |
| 4104 | } |
| 4105 | |
| 4106 | XSETINT (emacs_event->x, y); |
| 4107 | XSETINT (emacs_event->y, top_range); |
| 4108 | |
| 4109 | return TRUE; |
| 4110 | } |
| 4111 | } |
| 4112 | |
| 4113 | /* Return information to the user about the current position of the mouse |
| 4114 | on the scroll bar. */ |
| 4115 | |
| 4116 | static void |
| 4117 | x_scroll_bar_report_motion (struct frame **fp, Lisp_Object *bar_window, |
| 4118 | enum scroll_bar_part *part, |
| 4119 | Lisp_Object *x, Lisp_Object *y, |
| 4120 | unsigned long *time) |
| 4121 | { |
| 4122 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (*fp); |
| 4123 | struct scroll_bar *bar = dpyinfo->last_mouse_scroll_bar; |
| 4124 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
| 4125 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
| 4126 | int pos; |
| 4127 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, bar->height); |
| 4128 | SCROLLINFO si; |
| 4129 | |
| 4130 | block_input (); |
| 4131 | |
| 4132 | *fp = f; |
| 4133 | *bar_window = bar->window; |
| 4134 | |
| 4135 | si.cbSize = sizeof (si); |
| 4136 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; |
| 4137 | |
| 4138 | GetScrollInfo (w, SB_CTL, &si); |
| 4139 | pos = si.nPos; |
| 4140 | top_range = si.nMax - si.nPage + 1; |
| 4141 | |
| 4142 | switch (LOWORD (dpyinfo->last_mouse_scroll_bar_pos)) |
| 4143 | { |
| 4144 | case SB_THUMBPOSITION: |
| 4145 | case SB_THUMBTRACK: |
| 4146 | *part = scroll_bar_handle; |
| 4147 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, bar->height) <= 0xffff) |
| 4148 | pos = HIWORD (dpyinfo->last_mouse_scroll_bar_pos); |
| 4149 | break; |
| 4150 | case SB_LINEDOWN: |
| 4151 | *part = scroll_bar_handle; |
| 4152 | pos++; |
| 4153 | break; |
| 4154 | default: |
| 4155 | *part = scroll_bar_handle; |
| 4156 | break; |
| 4157 | } |
| 4158 | |
| 4159 | XSETINT (*x, pos); |
| 4160 | XSETINT (*y, top_range); |
| 4161 | |
| 4162 | f->mouse_moved = 0; |
| 4163 | dpyinfo->last_mouse_scroll_bar = NULL; |
| 4164 | |
| 4165 | *time = dpyinfo->last_mouse_movement_time; |
| 4166 | |
| 4167 | unblock_input (); |
| 4168 | } |
| 4169 | |
| 4170 | |
| 4171 | /* The screen has been cleared so we may have changed foreground or |
| 4172 | background colors, and the scroll bars may need to be redrawn. |
| 4173 | Clear out the scroll bars, and ask for expose events, so we can |
| 4174 | redraw them. */ |
| 4175 | |
| 4176 | void |
| 4177 | x_scroll_bar_clear (struct frame *f) |
| 4178 | { |
| 4179 | Lisp_Object bar; |
| 4180 | |
| 4181 | /* We can have scroll bars even if this is 0, |
| 4182 | if we just turned off scroll bar mode. |
| 4183 | But in that case we should not clear them. */ |
| 4184 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
| 4185 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
| 4186 | bar = XSCROLL_BAR (bar)->next) |
| 4187 | { |
| 4188 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
| 4189 | HDC hdc = GetDC (window); |
| 4190 | RECT rect; |
| 4191 | |
| 4192 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
| 4193 | arranges to refresh the scroll bar if hidden. */ |
| 4194 | my_show_window (f, window, SW_HIDE); |
| 4195 | |
| 4196 | GetClientRect (window, &rect); |
| 4197 | select_palette (f, hdc); |
| 4198 | w32_clear_rect (f, hdc, &rect); |
| 4199 | deselect_palette (f, hdc); |
| 4200 | |
| 4201 | ReleaseDC (window, hdc); |
| 4202 | } |
| 4203 | } |
| 4204 | |
| 4205 | \f |
| 4206 | /* The main W32 event-reading loop - w32_read_socket. */ |
| 4207 | |
| 4208 | /* Record the last 100 characters stored |
| 4209 | to help debug the loss-of-chars-during-GC problem. */ |
| 4210 | |
| 4211 | static int temp_index; |
| 4212 | static short temp_buffer[100]; |
| 4213 | |
| 4214 | /* Temporarily store lead byte of DBCS input sequences. */ |
| 4215 | static char dbcs_lead = 0; |
| 4216 | |
| 4217 | /* Read events coming from the W32 shell. |
| 4218 | This routine is called by the SIGIO handler. |
| 4219 | We return as soon as there are no more events to be read. |
| 4220 | |
| 4221 | For an overview of how Emacs input works on MS-Windows, see the |
| 4222 | commentary before w32_msg_pump in w32fns.c. |
| 4223 | |
| 4224 | We return the number of characters stored into the buffer, |
| 4225 | thus pretending to be `read'. |
| 4226 | |
| 4227 | Some of these messages are reposted back to the message queue since the |
| 4228 | system calls the windows proc directly in a context where we cannot return |
| 4229 | the data nor can we guarantee the state we are in. So if we dispatch them |
| 4230 | we will get into an infinite loop. To prevent this from ever happening we |
| 4231 | will set a variable to indicate we are in the read_socket call and indicate |
| 4232 | which message we are processing since the windows proc gets called |
| 4233 | recursively with different messages by the system. |
| 4234 | */ |
| 4235 | |
| 4236 | static int |
| 4237 | w32_read_socket (struct terminal *terminal, |
| 4238 | struct input_event *hold_quit) |
| 4239 | { |
| 4240 | int count = 0; |
| 4241 | int check_visibility = 0; |
| 4242 | W32Msg msg; |
| 4243 | struct frame *f; |
| 4244 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 4245 | Mouse_HLInfo *hlinfo = &dpyinfo->mouse_highlight; |
| 4246 | |
| 4247 | block_input (); |
| 4248 | |
| 4249 | /* So people can tell when we have read the available input. */ |
| 4250 | input_signal_count++; |
| 4251 | |
| 4252 | /* Process any incoming thread messages. */ |
| 4253 | drain_message_queue (); |
| 4254 | |
| 4255 | /* TODO: ghostscript integration. */ |
| 4256 | while (get_next_msg (&msg, FALSE)) |
| 4257 | { |
| 4258 | struct input_event inev; |
| 4259 | int do_help = 0; |
| 4260 | |
| 4261 | /* DebPrint (("w32_read_socket: %s time:%u\n", */ |
| 4262 | /* w32_name_of_message (msg.msg.message), */ |
| 4263 | /* msg.msg.time)); */ |
| 4264 | |
| 4265 | EVENT_INIT (inev); |
| 4266 | inev.kind = NO_EVENT; |
| 4267 | inev.arg = Qnil; |
| 4268 | |
| 4269 | switch (msg.msg.message) |
| 4270 | { |
| 4271 | case WM_EMACS_PAINT: |
| 4272 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4273 | |
| 4274 | if (f) |
| 4275 | { |
| 4276 | if (msg.rect.right == msg.rect.left || |
| 4277 | msg.rect.bottom == msg.rect.top) |
| 4278 | { |
| 4279 | /* We may get paint messages even though the client |
| 4280 | area is clipped - these are not expose events. */ |
| 4281 | DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f, |
| 4282 | SDATA (f->name))); |
| 4283 | } |
| 4284 | else if (FRAME_VISIBLE_P (f) != 1) |
| 4285 | { |
| 4286 | bool iconified = FRAME_ICONIFIED_P (f); |
| 4287 | |
| 4288 | /* Definitely not obscured, so mark as visible. */ |
| 4289 | SET_FRAME_VISIBLE (f, 1); |
| 4290 | SET_FRAME_ICONIFIED (f, 0); |
| 4291 | SET_FRAME_GARBAGED (f); |
| 4292 | if (!f->output_data.w32->asked_for_visible) |
| 4293 | DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f, |
| 4294 | SDATA (f->name))); |
| 4295 | |
| 4296 | /* WM_PAINT serves as MapNotify as well, so report |
| 4297 | visibility changes properly. */ |
| 4298 | if (iconified) |
| 4299 | { |
| 4300 | inev.kind = DEICONIFY_EVENT; |
| 4301 | XSETFRAME (inev.frame_or_window, f); |
| 4302 | } |
| 4303 | else if (!NILP (Vframe_list) && !NILP (XCDR (Vframe_list))) |
| 4304 | /* Force a redisplay sooner or later to update the |
| 4305 | frame titles in case this is the second frame. */ |
| 4306 | record_asynch_buffer_change (); |
| 4307 | } |
| 4308 | else |
| 4309 | { |
| 4310 | HDC hdc = get_frame_dc (f); |
| 4311 | |
| 4312 | /* Erase background again for safety. */ |
| 4313 | w32_clear_rect (f, hdc, &msg.rect); |
| 4314 | release_frame_dc (f, hdc); |
| 4315 | expose_frame (f, |
| 4316 | msg.rect.left, |
| 4317 | msg.rect.top, |
| 4318 | msg.rect.right - msg.rect.left, |
| 4319 | msg.rect.bottom - msg.rect.top); |
| 4320 | } |
| 4321 | } |
| 4322 | break; |
| 4323 | |
| 4324 | case WM_INPUTLANGCHANGE: |
| 4325 | /* Generate a language change event. */ |
| 4326 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4327 | |
| 4328 | /* lParam contains the input language ID in its low 16 bits. |
| 4329 | Use it to update our record of the keyboard codepage. */ |
| 4330 | w32_keyboard_codepage = codepage_for_locale ((LCID)(msg.msg.lParam |
| 4331 | & 0xffff)); |
| 4332 | |
| 4333 | if (f) |
| 4334 | { |
| 4335 | inev.kind = LANGUAGE_CHANGE_EVENT; |
| 4336 | XSETFRAME (inev.frame_or_window, f); |
| 4337 | inev.code = w32_keyboard_codepage; |
| 4338 | inev.modifiers = msg.msg.lParam & 0xffff; |
| 4339 | } |
| 4340 | break; |
| 4341 | |
| 4342 | case WM_KEYDOWN: |
| 4343 | case WM_SYSKEYDOWN: |
| 4344 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4345 | |
| 4346 | if (f && !FRAME_ICONIFIED_P (f)) |
| 4347 | { |
| 4348 | if (!hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight) |
| 4349 | && !EQ (f->tool_bar_window, hlinfo->mouse_face_window)) |
| 4350 | { |
| 4351 | clear_mouse_face (hlinfo); |
| 4352 | hlinfo->mouse_face_hidden = 1; |
| 4353 | } |
| 4354 | |
| 4355 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 4356 | temp_index = 0; |
| 4357 | temp_buffer[temp_index++] = msg.msg.wParam; |
| 4358 | inev.kind = NON_ASCII_KEYSTROKE_EVENT; |
| 4359 | inev.code = msg.msg.wParam; |
| 4360 | inev.modifiers = msg.dwModifiers; |
| 4361 | XSETFRAME (inev.frame_or_window, f); |
| 4362 | inev.timestamp = msg.msg.time; |
| 4363 | } |
| 4364 | break; |
| 4365 | |
| 4366 | case WM_UNICHAR: |
| 4367 | case WM_SYSCHAR: |
| 4368 | case WM_CHAR: |
| 4369 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4370 | |
| 4371 | if (f && !FRAME_ICONIFIED_P (f)) |
| 4372 | { |
| 4373 | if (!hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight) |
| 4374 | && !EQ (f->tool_bar_window, hlinfo->mouse_face_window)) |
| 4375 | { |
| 4376 | clear_mouse_face (hlinfo); |
| 4377 | hlinfo->mouse_face_hidden = 1; |
| 4378 | } |
| 4379 | |
| 4380 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 4381 | temp_index = 0; |
| 4382 | temp_buffer[temp_index++] = msg.msg.wParam; |
| 4383 | |
| 4384 | inev.modifiers = msg.dwModifiers; |
| 4385 | XSETFRAME (inev.frame_or_window, f); |
| 4386 | inev.timestamp = msg.msg.time; |
| 4387 | |
| 4388 | if (msg.msg.message == WM_UNICHAR) |
| 4389 | { |
| 4390 | inev.code = msg.msg.wParam; |
| 4391 | } |
| 4392 | else if (msg.msg.wParam < 256) |
| 4393 | { |
| 4394 | wchar_t code; |
| 4395 | char dbcs[2]; |
| 4396 | dbcs[0] = 0; |
| 4397 | dbcs[1] = (char) msg.msg.wParam; |
| 4398 | |
| 4399 | if (dbcs_lead) |
| 4400 | { |
| 4401 | dbcs[0] = dbcs_lead; |
| 4402 | dbcs_lead = 0; |
| 4403 | if (!MultiByteToWideChar (w32_keyboard_codepage, 0, |
| 4404 | dbcs, 2, &code, 1)) |
| 4405 | { |
| 4406 | /* Garbage */ |
| 4407 | DebPrint (("Invalid DBCS sequence: %d %d\n", |
| 4408 | dbcs[0], dbcs[1])); |
| 4409 | inev.kind = NO_EVENT; |
| 4410 | break; |
| 4411 | } |
| 4412 | } |
| 4413 | else if (IsDBCSLeadByteEx (w32_keyboard_codepage, |
| 4414 | (BYTE) msg.msg.wParam)) |
| 4415 | { |
| 4416 | dbcs_lead = (char) msg.msg.wParam; |
| 4417 | inev.kind = NO_EVENT; |
| 4418 | break; |
| 4419 | } |
| 4420 | else |
| 4421 | { |
| 4422 | if (!MultiByteToWideChar (w32_keyboard_codepage, 0, |
| 4423 | &dbcs[1], 1, &code, 1)) |
| 4424 | { |
| 4425 | /* What to do with garbage? */ |
| 4426 | DebPrint (("Invalid character: %d\n", dbcs[1])); |
| 4427 | inev.kind = NO_EVENT; |
| 4428 | break; |
| 4429 | } |
| 4430 | } |
| 4431 | inev.code = code; |
| 4432 | } |
| 4433 | else |
| 4434 | { |
| 4435 | /* Windows shouldn't generate WM_CHAR events above 0xFF |
| 4436 | in non-Unicode message handlers. */ |
| 4437 | DebPrint (("Non-byte WM_CHAR: %d\n", msg.msg.wParam)); |
| 4438 | inev.kind = NO_EVENT; |
| 4439 | break; |
| 4440 | } |
| 4441 | inev.kind = inev.code < 128 ? ASCII_KEYSTROKE_EVENT |
| 4442 | : MULTIBYTE_CHAR_KEYSTROKE_EVENT; |
| 4443 | } |
| 4444 | break; |
| 4445 | |
| 4446 | case WM_APPCOMMAND: |
| 4447 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4448 | |
| 4449 | if (f && !FRAME_ICONIFIED_P (f)) |
| 4450 | { |
| 4451 | if (!hlinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight) |
| 4452 | && !EQ (f->tool_bar_window, hlinfo->mouse_face_window)) |
| 4453 | { |
| 4454 | clear_mouse_face (hlinfo); |
| 4455 | hlinfo->mouse_face_hidden = 1; |
| 4456 | } |
| 4457 | |
| 4458 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
| 4459 | temp_index = 0; |
| 4460 | temp_buffer[temp_index++] = msg.msg.wParam; |
| 4461 | inev.kind = MULTIMEDIA_KEY_EVENT; |
| 4462 | inev.code = GET_APPCOMMAND_LPARAM (msg.msg.lParam); |
| 4463 | inev.modifiers = msg.dwModifiers; |
| 4464 | XSETFRAME (inev.frame_or_window, f); |
| 4465 | inev.timestamp = msg.msg.time; |
| 4466 | } |
| 4467 | break; |
| 4468 | |
| 4469 | case WM_MOUSEMOVE: |
| 4470 | /* Ignore non-movement. */ |
| 4471 | { |
| 4472 | int x = LOWORD (msg.msg.lParam); |
| 4473 | int y = HIWORD (msg.msg.lParam); |
| 4474 | if (x == last_mousemove_x && y == last_mousemove_y) |
| 4475 | break; |
| 4476 | last_mousemove_x = x; |
| 4477 | last_mousemove_y = y; |
| 4478 | } |
| 4479 | |
| 4480 | previous_help_echo_string = help_echo_string; |
| 4481 | help_echo_string = Qnil; |
| 4482 | |
| 4483 | f = (x_mouse_grabbed (dpyinfo) ? dpyinfo->last_mouse_frame |
| 4484 | : x_window_to_frame (dpyinfo, msg.msg.hwnd)); |
| 4485 | |
| 4486 | if (hlinfo->mouse_face_hidden) |
| 4487 | { |
| 4488 | hlinfo->mouse_face_hidden = 0; |
| 4489 | clear_mouse_face (hlinfo); |
| 4490 | } |
| 4491 | |
| 4492 | if (f) |
| 4493 | { |
| 4494 | /* Generate SELECT_WINDOW_EVENTs when needed. */ |
| 4495 | if (!NILP (Vmouse_autoselect_window)) |
| 4496 | { |
| 4497 | static Lisp_Object last_mouse_window; |
| 4498 | Lisp_Object window = window_from_coordinates |
| 4499 | (f, LOWORD (msg.msg.lParam), HIWORD (msg.msg.lParam), 0, 0); |
| 4500 | |
| 4501 | /* Window will be selected only when it is not |
| 4502 | selected now and last mouse movement event was |
| 4503 | not in it. Minibuffer window will be selected |
| 4504 | only when it is active. */ |
| 4505 | if (WINDOWP (window) |
| 4506 | && !EQ (window, last_mouse_window) |
| 4507 | && !EQ (window, selected_window) |
| 4508 | /* For click-to-focus window managers |
| 4509 | create event iff we don't leave the |
| 4510 | selected frame. */ |
| 4511 | && (focus_follows_mouse |
| 4512 | || (EQ (XWINDOW (window)->frame, |
| 4513 | XWINDOW (selected_window)->frame)))) |
| 4514 | { |
| 4515 | inev.kind = SELECT_WINDOW_EVENT; |
| 4516 | inev.frame_or_window = window; |
| 4517 | } |
| 4518 | /* Remember the last window where we saw the mouse. */ |
| 4519 | last_mouse_window = window; |
| 4520 | } |
| 4521 | if (!note_mouse_movement (f, &msg.msg)) |
| 4522 | help_echo_string = previous_help_echo_string; |
| 4523 | } |
| 4524 | else |
| 4525 | { |
| 4526 | /* If we move outside the frame, then we're |
| 4527 | certainly no longer on any text in the frame. */ |
| 4528 | clear_mouse_face (hlinfo); |
| 4529 | } |
| 4530 | |
| 4531 | /* If the contents of the global variable help_echo_string |
| 4532 | has changed, generate a HELP_EVENT. */ |
| 4533 | #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE. |
| 4534 | But it was originally changed to this to fix a bug, so I have |
| 4535 | not removed it completely in case the bug is still there. */ |
| 4536 | if (help_echo_string != previous_help_echo_string || |
| 4537 | (!NILP (help_echo_string) && !STRINGP (help_echo_string) && f->mouse_moved)) |
| 4538 | #else /* This is what xterm.c does. */ |
| 4539 | if (!NILP (help_echo_string) |
| 4540 | || !NILP (previous_help_echo_string)) |
| 4541 | do_help = 1; |
| 4542 | #endif |
| 4543 | break; |
| 4544 | |
| 4545 | case WM_LBUTTONDOWN: |
| 4546 | case WM_LBUTTONUP: |
| 4547 | case WM_MBUTTONDOWN: |
| 4548 | case WM_MBUTTONUP: |
| 4549 | case WM_RBUTTONDOWN: |
| 4550 | case WM_RBUTTONUP: |
| 4551 | case WM_XBUTTONDOWN: |
| 4552 | case WM_XBUTTONUP: |
| 4553 | { |
| 4554 | /* If we decide we want to generate an event to be seen |
| 4555 | by the rest of Emacs, we put it here. */ |
| 4556 | bool tool_bar_p = 0; |
| 4557 | int button; |
| 4558 | int up; |
| 4559 | |
| 4560 | f = (x_mouse_grabbed (dpyinfo) ? dpyinfo->last_mouse_frame |
| 4561 | : x_window_to_frame (dpyinfo, msg.msg.hwnd)); |
| 4562 | |
| 4563 | if (f) |
| 4564 | { |
| 4565 | construct_mouse_click (&inev, &msg, f); |
| 4566 | |
| 4567 | /* Is this in the tool-bar? */ |
| 4568 | if (WINDOWP (f->tool_bar_window) |
| 4569 | && WINDOW_TOTAL_LINES (XWINDOW (f->tool_bar_window))) |
| 4570 | { |
| 4571 | Lisp_Object window; |
| 4572 | int x = XFASTINT (inev.x); |
| 4573 | int y = XFASTINT (inev.y); |
| 4574 | |
| 4575 | window = window_from_coordinates (f, x, y, 0, 1); |
| 4576 | |
| 4577 | if (EQ (window, f->tool_bar_window)) |
| 4578 | { |
| 4579 | w32_handle_tool_bar_click (f, &inev); |
| 4580 | tool_bar_p = 1; |
| 4581 | } |
| 4582 | } |
| 4583 | |
| 4584 | if (tool_bar_p |
| 4585 | || (dpyinfo->w32_focus_frame |
| 4586 | && f != dpyinfo->w32_focus_frame)) |
| 4587 | inev.kind = NO_EVENT; |
| 4588 | } |
| 4589 | |
| 4590 | parse_button (msg.msg.message, HIWORD (msg.msg.wParam), |
| 4591 | &button, &up); |
| 4592 | |
| 4593 | if (up) |
| 4594 | { |
| 4595 | dpyinfo->grabbed &= ~ (1 << button); |
| 4596 | } |
| 4597 | else |
| 4598 | { |
| 4599 | dpyinfo->grabbed |= (1 << button); |
| 4600 | dpyinfo->last_mouse_frame = f; |
| 4601 | /* Ignore any mouse motion that happened |
| 4602 | before this event; any subsequent mouse-movement |
| 4603 | Emacs events should reflect only motion after |
| 4604 | the ButtonPress. */ |
| 4605 | if (f != 0) |
| 4606 | f->mouse_moved = 0; |
| 4607 | |
| 4608 | if (!tool_bar_p) |
| 4609 | last_tool_bar_item = -1; |
| 4610 | } |
| 4611 | break; |
| 4612 | } |
| 4613 | |
| 4614 | case WM_MOUSEWHEEL: |
| 4615 | case WM_MOUSEHWHEEL: |
| 4616 | { |
| 4617 | f = (x_mouse_grabbed (dpyinfo) ? dpyinfo->last_mouse_frame |
| 4618 | : x_window_to_frame (dpyinfo, msg.msg.hwnd)); |
| 4619 | |
| 4620 | if (f) |
| 4621 | { |
| 4622 | |
| 4623 | if (!dpyinfo->w32_focus_frame |
| 4624 | || f == dpyinfo->w32_focus_frame) |
| 4625 | { |
| 4626 | /* Emit an Emacs wheel-up/down event. */ |
| 4627 | construct_mouse_wheel (&inev, &msg, f); |
| 4628 | } |
| 4629 | /* Ignore any mouse motion that happened before this |
| 4630 | event; any subsequent mouse-movement Emacs events |
| 4631 | should reflect only motion after the |
| 4632 | ButtonPress. */ |
| 4633 | f->mouse_moved = 0; |
| 4634 | } |
| 4635 | dpyinfo->last_mouse_frame = f; |
| 4636 | last_tool_bar_item = -1; |
| 4637 | } |
| 4638 | break; |
| 4639 | |
| 4640 | case WM_DROPFILES: |
| 4641 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4642 | |
| 4643 | if (f) |
| 4644 | construct_drag_n_drop (&inev, &msg, f); |
| 4645 | break; |
| 4646 | |
| 4647 | case WM_VSCROLL: |
| 4648 | { |
| 4649 | struct scroll_bar *bar = |
| 4650 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); |
| 4651 | |
| 4652 | if (bar) |
| 4653 | w32_scroll_bar_handle_click (bar, &msg, &inev); |
| 4654 | break; |
| 4655 | } |
| 4656 | |
| 4657 | case WM_WINDOWPOSCHANGED: |
| 4658 | case WM_ACTIVATE: |
| 4659 | case WM_ACTIVATEAPP: |
| 4660 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4661 | if (f) |
| 4662 | { |
| 4663 | /* Run the full-screen hook function also when we are |
| 4664 | being activated, to actually install the required |
| 4665 | size in effect, if the WAIT flag is set. This is |
| 4666 | because when the hook is run from x_set_fullscreen, |
| 4667 | the frame might not yet be visible, if that call is a |
| 4668 | result of make-frame, and in that case the hook just |
| 4669 | sets the WAIT flag. */ |
| 4670 | if ((msg.msg.message == WM_WINDOWPOSCHANGED || msg.msg.wParam) |
| 4671 | && (f->want_fullscreen & FULLSCREEN_WAIT)) |
| 4672 | w32fullscreen_hook (f); |
| 4673 | x_check_fullscreen (f); |
| 4674 | } |
| 4675 | check_visibility = 1; |
| 4676 | break; |
| 4677 | |
| 4678 | case WM_MOVE: |
| 4679 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4680 | |
| 4681 | if (f && !FRAME_ICONIFIED_P (f)) |
| 4682 | x_real_positions (f, &f->left_pos, &f->top_pos); |
| 4683 | |
| 4684 | check_visibility = 1; |
| 4685 | break; |
| 4686 | |
| 4687 | case WM_SHOWWINDOW: |
| 4688 | /* wParam non-zero means Window is about to be shown, 0 means |
| 4689 | about to be hidden. */ |
| 4690 | /* Redo the mouse-highlight after the tooltip has gone. */ |
| 4691 | if (!msg.msg.wParam && msg.msg.hwnd == tip_window) |
| 4692 | { |
| 4693 | tip_window = NULL; |
| 4694 | x_redo_mouse_highlight (dpyinfo); |
| 4695 | } |
| 4696 | |
| 4697 | /* If window has been obscured or exposed by another window |
| 4698 | being maximized or minimized/restored, then recheck |
| 4699 | visibility of all frames. Direct changes to our own |
| 4700 | windows get handled by WM_SIZE. */ |
| 4701 | #if 0 |
| 4702 | if (msg.msg.lParam != 0) |
| 4703 | check_visibility = 1; |
| 4704 | else |
| 4705 | { |
| 4706 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4707 | f->async_visible = msg.msg.wParam; |
| 4708 | } |
| 4709 | #endif |
| 4710 | |
| 4711 | check_visibility = 1; |
| 4712 | break; |
| 4713 | |
| 4714 | case WM_SIZE: |
| 4715 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4716 | |
| 4717 | /* Inform lisp of whether frame has been iconified etc. */ |
| 4718 | if (f) |
| 4719 | { |
| 4720 | switch (msg.msg.wParam) |
| 4721 | { |
| 4722 | case SIZE_MINIMIZED: |
| 4723 | SET_FRAME_VISIBLE (f, 0); |
| 4724 | SET_FRAME_ICONIFIED (f, 1); |
| 4725 | |
| 4726 | inev.kind = ICONIFY_EVENT; |
| 4727 | XSETFRAME (inev.frame_or_window, f); |
| 4728 | break; |
| 4729 | |
| 4730 | case SIZE_MAXIMIZED: |
| 4731 | { |
| 4732 | bool iconified = FRAME_ICONIFIED_P (f); |
| 4733 | |
| 4734 | SET_FRAME_VISIBLE (f, 1); |
| 4735 | SET_FRAME_ICONIFIED (f, 0); |
| 4736 | |
| 4737 | /* wait_reading_process_output will notice this |
| 4738 | and update the frame's display structures. */ |
| 4739 | SET_FRAME_GARBAGED (f); |
| 4740 | |
| 4741 | if (iconified) |
| 4742 | { |
| 4743 | int x, y; |
| 4744 | |
| 4745 | /* Reset top and left positions of the Window |
| 4746 | here since Windows sends a WM_MOVE message |
| 4747 | BEFORE telling us the Window is minimized |
| 4748 | when the Window is iconified, with 3000,3000 |
| 4749 | as the co-ords. */ |
| 4750 | x_real_positions (f, &x, &y); |
| 4751 | f->left_pos = x; |
| 4752 | f->top_pos = y; |
| 4753 | |
| 4754 | inev.kind = DEICONIFY_EVENT; |
| 4755 | XSETFRAME (inev.frame_or_window, f); |
| 4756 | } |
| 4757 | else if (! NILP (Vframe_list) |
| 4758 | && ! NILP (XCDR (Vframe_list))) |
| 4759 | /* Force a redisplay sooner or later |
| 4760 | to update the frame titles |
| 4761 | in case this is the second frame. */ |
| 4762 | record_asynch_buffer_change (); |
| 4763 | } |
| 4764 | |
| 4765 | if (EQ (get_frame_param (f, Qfullscreen), Qnil)) |
| 4766 | set_frame_param (f, Qfullscreen, Qmaximized); |
| 4767 | else if (! EQ (get_frame_param (f, Qfullscreen), Qmaximized)) |
| 4768 | set_frame_param (f, Qmaximized, Qmaximized); |
| 4769 | |
| 4770 | break; |
| 4771 | |
| 4772 | case SIZE_RESTORED: |
| 4773 | { |
| 4774 | bool iconified = FRAME_ICONIFIED_P (f); |
| 4775 | |
| 4776 | if (iconified) |
| 4777 | SET_FRAME_VISIBLE (f, 1); |
| 4778 | SET_FRAME_ICONIFIED (f, 0); |
| 4779 | |
| 4780 | /* wait_reading_process_output will notice this |
| 4781 | and update the frame's display structures. */ |
| 4782 | SET_FRAME_GARBAGED (f); |
| 4783 | |
| 4784 | if (iconified) |
| 4785 | { |
| 4786 | /* Reset top and left positions of the Window |
| 4787 | here since Windows sends a WM_MOVE message |
| 4788 | BEFORE telling us the Window is minimized |
| 4789 | when the Window is iconified, with 3000,3000 |
| 4790 | as the co-ords. */ |
| 4791 | x_real_positions (f, &f->left_pos, &f->top_pos); |
| 4792 | |
| 4793 | inev.kind = DEICONIFY_EVENT; |
| 4794 | XSETFRAME (inev.frame_or_window, f); |
| 4795 | } |
| 4796 | else if (! NILP (Vframe_list) |
| 4797 | && ! NILP (XCDR (Vframe_list))) |
| 4798 | /* Force a redisplay sooner or later |
| 4799 | to update the frame titles |
| 4800 | in case this is the second frame. */ |
| 4801 | record_asynch_buffer_change (); |
| 4802 | } |
| 4803 | |
| 4804 | if (EQ (get_frame_param (f, Qfullscreen), Qmaximized)) |
| 4805 | set_frame_param (f, Qfullscreen, Qnil); |
| 4806 | else if (! EQ (get_frame_param (f, Qmaximized), Qnil)) |
| 4807 | set_frame_param (f, Qmaximized, Qnil); |
| 4808 | |
| 4809 | break; |
| 4810 | } |
| 4811 | } |
| 4812 | |
| 4813 | if (f && !FRAME_ICONIFIED_P (f) && msg.msg.wParam != SIZE_MINIMIZED) |
| 4814 | { |
| 4815 | RECT rect; |
| 4816 | int rows, columns, width, height, text_width, text_height; |
| 4817 | |
| 4818 | GetClientRect (msg.msg.hwnd, &rect); |
| 4819 | |
| 4820 | height = rect.bottom - rect.top; |
| 4821 | width = rect.right - rect.left; |
| 4822 | text_width = FRAME_PIXEL_TO_TEXT_WIDTH (f, width); |
| 4823 | text_height = FRAME_PIXEL_TO_TEXT_HEIGHT (f, height); |
| 4824 | rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, height); |
| 4825 | columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, width); |
| 4826 | |
| 4827 | /* TODO: Clip size to the screen dimensions. */ |
| 4828 | |
| 4829 | /* Even if the number of character rows and columns has |
| 4830 | not changed, the font size may have changed, so we need |
| 4831 | to check the pixel dimensions as well. */ |
| 4832 | |
| 4833 | if (width != FRAME_PIXEL_WIDTH (f) |
| 4834 | || height != FRAME_PIXEL_HEIGHT (f) |
| 4835 | || text_width != FRAME_TEXT_WIDTH (f) |
| 4836 | || text_height != FRAME_TEXT_HEIGHT (f)) |
| 4837 | { |
| 4838 | change_frame_size (f, text_width, text_height, 0, 1, 0, 1); |
| 4839 | SET_FRAME_GARBAGED (f); |
| 4840 | cancel_mouse_face (f); |
| 4841 | /* Do we want to set these here ???? */ |
| 4842 | /** FRAME_PIXEL_WIDTH (f) = width; **/ |
| 4843 | /** FRAME_TEXT_WIDTH (f) = text_width; **/ |
| 4844 | /** FRAME_PIXEL_HEIGHT (f) = height; **/ |
| 4845 | f->win_gravity = NorthWestGravity; |
| 4846 | } |
| 4847 | } |
| 4848 | |
| 4849 | check_visibility = 1; |
| 4850 | break; |
| 4851 | |
| 4852 | case WM_MOUSELEAVE: |
| 4853 | f = x_any_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4854 | if (f) |
| 4855 | { |
| 4856 | if (f == hlinfo->mouse_face_mouse_frame) |
| 4857 | { |
| 4858 | /* If we move outside the frame, then we're |
| 4859 | certainly no longer on any text in the frame. */ |
| 4860 | clear_mouse_face (hlinfo); |
| 4861 | hlinfo->mouse_face_mouse_frame = 0; |
| 4862 | } |
| 4863 | |
| 4864 | /* Generate a nil HELP_EVENT to cancel a help-echo. |
| 4865 | Do it only if there's something to cancel. |
| 4866 | Otherwise, the startup message is cleared when |
| 4867 | the mouse leaves the frame. */ |
| 4868 | if (any_help_event_p) |
| 4869 | do_help = -1; |
| 4870 | } |
| 4871 | break; |
| 4872 | |
| 4873 | case WM_SETFOCUS: |
| 4874 | w32_detect_focus_change (dpyinfo, &msg, &inev); |
| 4875 | |
| 4876 | dpyinfo->grabbed = 0; |
| 4877 | check_visibility = 1; |
| 4878 | break; |
| 4879 | |
| 4880 | case WM_KILLFOCUS: |
| 4881 | w32_detect_focus_change (dpyinfo, &msg, &inev); |
| 4882 | f = x_top_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4883 | |
| 4884 | if (f) |
| 4885 | { |
| 4886 | if (f == hlinfo->mouse_face_mouse_frame) |
| 4887 | { |
| 4888 | /* If we move outside the frame, then we're |
| 4889 | certainly no longer on any text in the frame. */ |
| 4890 | clear_mouse_face (hlinfo); |
| 4891 | hlinfo->mouse_face_mouse_frame = 0; |
| 4892 | } |
| 4893 | |
| 4894 | /* Generate a nil HELP_EVENT to cancel a help-echo. |
| 4895 | Do it only if there's something to cancel. |
| 4896 | Otherwise, the startup message is cleared when |
| 4897 | the mouse leaves the frame. */ |
| 4898 | if (any_help_event_p) |
| 4899 | do_help = -1; |
| 4900 | } |
| 4901 | |
| 4902 | dpyinfo->grabbed = 0; |
| 4903 | check_visibility = 1; |
| 4904 | break; |
| 4905 | |
| 4906 | case WM_CLOSE: |
| 4907 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4908 | |
| 4909 | if (f) |
| 4910 | { |
| 4911 | inev.kind = DELETE_WINDOW_EVENT; |
| 4912 | XSETFRAME (inev.frame_or_window, f); |
| 4913 | } |
| 4914 | break; |
| 4915 | |
| 4916 | case WM_INITMENU: |
| 4917 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4918 | |
| 4919 | if (f) |
| 4920 | { |
| 4921 | inev.kind = MENU_BAR_ACTIVATE_EVENT; |
| 4922 | XSETFRAME (inev.frame_or_window, f); |
| 4923 | } |
| 4924 | break; |
| 4925 | |
| 4926 | case WM_COMMAND: |
| 4927 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4928 | |
| 4929 | if (f) |
| 4930 | { |
| 4931 | extern void menubar_selection_callback |
| 4932 | (struct frame *f, void * client_data); |
| 4933 | menubar_selection_callback (f, (void *)msg.msg.wParam); |
| 4934 | } |
| 4935 | |
| 4936 | check_visibility = 1; |
| 4937 | break; |
| 4938 | |
| 4939 | case WM_DISPLAYCHANGE: |
| 4940 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4941 | |
| 4942 | if (f) |
| 4943 | { |
| 4944 | dpyinfo->n_cbits = msg.msg.wParam; |
| 4945 | DebPrint (("display change: %d %d\n", |
| 4946 | (short) LOWORD (msg.msg.lParam), |
| 4947 | (short) HIWORD (msg.msg.lParam))); |
| 4948 | } |
| 4949 | |
| 4950 | check_visibility = 1; |
| 4951 | break; |
| 4952 | |
| 4953 | #if HAVE_W32NOTIFY |
| 4954 | case WM_EMACS_FILENOTIFY: |
| 4955 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
| 4956 | if (f) |
| 4957 | queue_notifications (&inev, &msg, f, &count); |
| 4958 | break; |
| 4959 | #endif |
| 4960 | |
| 4961 | default: |
| 4962 | /* Check for messages registered at runtime. */ |
| 4963 | if (msg.msg.message == msh_mousewheel) |
| 4964 | { |
| 4965 | /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */ |
| 4966 | msg.msg.message = WM_MOUSEWHEEL; |
| 4967 | prepend_msg (&msg); |
| 4968 | } |
| 4969 | break; |
| 4970 | } |
| 4971 | |
| 4972 | if (inev.kind != NO_EVENT) |
| 4973 | { |
| 4974 | kbd_buffer_store_event_hold (&inev, hold_quit); |
| 4975 | count++; |
| 4976 | } |
| 4977 | |
| 4978 | if (do_help |
| 4979 | && !(hold_quit && hold_quit->kind != NO_EVENT)) |
| 4980 | { |
| 4981 | Lisp_Object frame; |
| 4982 | |
| 4983 | if (f) |
| 4984 | XSETFRAME (frame, f); |
| 4985 | else |
| 4986 | frame = Qnil; |
| 4987 | |
| 4988 | if (do_help > 0) |
| 4989 | { |
| 4990 | if (NILP (help_echo_string)) |
| 4991 | { |
| 4992 | help_echo_object = help_echo_window = Qnil; |
| 4993 | help_echo_pos = -1; |
| 4994 | } |
| 4995 | |
| 4996 | any_help_event_p = 1; |
| 4997 | gen_help_event (help_echo_string, frame, help_echo_window, |
| 4998 | help_echo_object, help_echo_pos); |
| 4999 | } |
| 5000 | else |
| 5001 | { |
| 5002 | help_echo_string = Qnil; |
| 5003 | gen_help_event (Qnil, frame, Qnil, Qnil, 0); |
| 5004 | } |
| 5005 | count++; |
| 5006 | } |
| 5007 | } |
| 5008 | |
| 5009 | /* If the focus was just given to an autoraising frame, |
| 5010 | raise it now. FIXME: handle more than one such frame. */ |
| 5011 | if (dpyinfo->w32_pending_autoraise_frame) |
| 5012 | { |
| 5013 | x_raise_frame (dpyinfo->w32_pending_autoraise_frame); |
| 5014 | dpyinfo->w32_pending_autoraise_frame = NULL; |
| 5015 | } |
| 5016 | |
| 5017 | /* Check which frames are still visible, if we have enqueued any user |
| 5018 | events or been notified of events that may affect visibility. We |
| 5019 | do this here because there doesn't seem to be any direct |
| 5020 | notification from Windows that the visibility of a window has |
| 5021 | changed (at least, not in all cases). */ |
| 5022 | if (count > 0 || check_visibility) |
| 5023 | { |
| 5024 | Lisp_Object tail, frame; |
| 5025 | |
| 5026 | FOR_EACH_FRAME (tail, frame) |
| 5027 | { |
| 5028 | struct frame *f = XFRAME (frame); |
| 5029 | /* The tooltip has been drawn already. Avoid the |
| 5030 | SET_FRAME_GARBAGED below. */ |
| 5031 | if (EQ (frame, tip_frame)) |
| 5032 | continue; |
| 5033 | |
| 5034 | /* Check "visible" frames and mark each as obscured or not. |
| 5035 | Note that visible is nonzero for unobscured and obscured |
| 5036 | frames, but zero for hidden and iconified frames. */ |
| 5037 | if (FRAME_W32_P (f) && FRAME_VISIBLE_P (f)) |
| 5038 | { |
| 5039 | RECT clipbox; |
| 5040 | HDC hdc; |
| 5041 | bool obscured; |
| 5042 | |
| 5043 | enter_crit (); |
| 5044 | /* Query clipping rectangle for the entire window area |
| 5045 | (GetWindowDC), not just the client portion (GetDC). |
| 5046 | Otherwise, the scrollbars and menubar aren't counted as |
| 5047 | part of the visible area of the frame, and we may think |
| 5048 | the frame is obscured when really a scrollbar is still |
| 5049 | visible and gets WM_PAINT messages above. */ |
| 5050 | hdc = GetWindowDC (FRAME_W32_WINDOW (f)); |
| 5051 | GetClipBox (hdc, &clipbox); |
| 5052 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); |
| 5053 | leave_crit (); |
| 5054 | |
| 5055 | obscured = FRAME_OBSCURED_P (f); |
| 5056 | |
| 5057 | if (clipbox.right == clipbox.left || clipbox.bottom == clipbox.top) |
| 5058 | { |
| 5059 | /* Frame has become completely obscured so mark as such (we |
| 5060 | do this by setting visible to 2 so that FRAME_VISIBLE_P |
| 5061 | is still true, but redisplay will skip it). */ |
| 5062 | SET_FRAME_VISIBLE (f, 2); |
| 5063 | |
| 5064 | if (!obscured) |
| 5065 | DebPrint (("frame %p (%s) obscured\n", f, SDATA (f->name))); |
| 5066 | } |
| 5067 | else |
| 5068 | { |
| 5069 | /* Frame is not obscured, so mark it as such. */ |
| 5070 | SET_FRAME_VISIBLE (f, 1); |
| 5071 | |
| 5072 | if (obscured) |
| 5073 | { |
| 5074 | SET_FRAME_GARBAGED (f); |
| 5075 | DebPrint (("obscured frame %p (%s) found to be visible\n", |
| 5076 | f, SDATA (f->name))); |
| 5077 | |
| 5078 | /* Force a redisplay sooner or later. */ |
| 5079 | record_asynch_buffer_change (); |
| 5080 | } |
| 5081 | } |
| 5082 | } |
| 5083 | } |
| 5084 | } |
| 5085 | |
| 5086 | unblock_input (); |
| 5087 | return count; |
| 5088 | } |
| 5089 | |
| 5090 | |
| 5091 | \f |
| 5092 | /*********************************************************************** |
| 5093 | Text Cursor |
| 5094 | ***********************************************************************/ |
| 5095 | |
| 5096 | /* Set clipping for output in glyph row ROW. W is the window in which |
| 5097 | we operate. GC is the graphics context to set clipping in. |
| 5098 | |
| 5099 | ROW may be a text row or, e.g., a mode line. Text rows must be |
| 5100 | clipped to the interior of the window dedicated to text display, |
| 5101 | mode lines must be clipped to the whole window. */ |
| 5102 | |
| 5103 | static void |
| 5104 | w32_clip_to_row (struct window *w, struct glyph_row *row, |
| 5105 | enum glyph_row_area area, HDC hdc) |
| 5106 | { |
| 5107 | RECT clip_rect; |
| 5108 | int window_x, window_y, window_width; |
| 5109 | |
| 5110 | window_box (w, area, &window_x, &window_y, &window_width, 0); |
| 5111 | |
| 5112 | clip_rect.left = window_x; |
| 5113 | clip_rect.top = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); |
| 5114 | clip_rect.top = max (clip_rect.top, window_y); |
| 5115 | clip_rect.right = clip_rect.left + window_width; |
| 5116 | clip_rect.bottom = clip_rect.top + row->visible_height; |
| 5117 | |
| 5118 | w32_set_clip_rectangle (hdc, &clip_rect); |
| 5119 | } |
| 5120 | |
| 5121 | |
| 5122 | /* Draw a hollow box cursor on window W in glyph row ROW. */ |
| 5123 | |
| 5124 | static void |
| 5125 | x_draw_hollow_cursor (struct window *w, struct glyph_row *row) |
| 5126 | { |
| 5127 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 5128 | HDC hdc; |
| 5129 | RECT rect; |
| 5130 | int left, top, h; |
| 5131 | struct glyph *cursor_glyph; |
| 5132 | HBRUSH hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); |
| 5133 | |
| 5134 | /* Get the glyph the cursor is on. If we can't tell because |
| 5135 | the current matrix is invalid or such, give up. */ |
| 5136 | cursor_glyph = get_phys_cursor_glyph (w); |
| 5137 | if (cursor_glyph == NULL) |
| 5138 | { |
| 5139 | DeleteObject (hb); |
| 5140 | return; |
| 5141 | } |
| 5142 | |
| 5143 | /* Compute frame-relative coordinates for phys cursor. */ |
| 5144 | get_phys_cursor_geometry (w, row, cursor_glyph, &left, &top, &h); |
| 5145 | rect.left = left; |
| 5146 | rect.top = top; |
| 5147 | rect.bottom = rect.top + h; |
| 5148 | rect.right = rect.left + w->phys_cursor_width; |
| 5149 | |
| 5150 | hdc = get_frame_dc (f); |
| 5151 | /* Set clipping, draw the rectangle, and reset clipping again. */ |
| 5152 | w32_clip_to_row (w, row, TEXT_AREA, hdc); |
| 5153 | FrameRect (hdc, &rect, hb); |
| 5154 | DeleteObject (hb); |
| 5155 | w32_set_clip_rectangle (hdc, NULL); |
| 5156 | release_frame_dc (f, hdc); |
| 5157 | } |
| 5158 | |
| 5159 | |
| 5160 | /* Draw a bar cursor on window W in glyph row ROW. |
| 5161 | |
| 5162 | Implementation note: One would like to draw a bar cursor with an |
| 5163 | angle equal to the one given by the font property XA_ITALIC_ANGLE. |
| 5164 | Unfortunately, I didn't find a font yet that has this property set. |
| 5165 | --gerd. */ |
| 5166 | |
| 5167 | static void |
| 5168 | x_draw_bar_cursor (struct window *w, struct glyph_row *row, |
| 5169 | int width, enum text_cursor_kinds kind) |
| 5170 | { |
| 5171 | struct frame *f = XFRAME (w->frame); |
| 5172 | struct glyph *cursor_glyph; |
| 5173 | |
| 5174 | /* If cursor is out of bounds, don't draw garbage. This can happen |
| 5175 | in mini-buffer windows when switching between echo area glyphs |
| 5176 | and mini-buffer. */ |
| 5177 | cursor_glyph = get_phys_cursor_glyph (w); |
| 5178 | if (cursor_glyph == NULL) |
| 5179 | return; |
| 5180 | |
| 5181 | /* If on an image, draw like a normal cursor. That's usually better |
| 5182 | visible than drawing a bar, esp. if the image is large so that |
| 5183 | the bar might not be in the window. */ |
| 5184 | if (cursor_glyph->type == IMAGE_GLYPH) |
| 5185 | { |
| 5186 | struct glyph_row *row; |
| 5187 | row = MATRIX_ROW (w->current_matrix, w->phys_cursor.vpos); |
| 5188 | draw_phys_cursor_glyph (w, row, DRAW_CURSOR); |
| 5189 | } |
| 5190 | else |
| 5191 | { |
| 5192 | COLORREF cursor_color = f->output_data.w32->cursor_pixel; |
| 5193 | struct face *face = FACE_FROM_ID (f, cursor_glyph->face_id); |
| 5194 | int x; |
| 5195 | HDC hdc; |
| 5196 | |
| 5197 | /* If the glyph's background equals the color we normally draw |
| 5198 | the bar cursor in, the bar cursor in its normal color is |
| 5199 | invisible. Use the glyph's foreground color instead in this |
| 5200 | case, on the assumption that the glyph's colors are chosen so |
| 5201 | that the glyph is legible. */ |
| 5202 | if (face->background == cursor_color) |
| 5203 | cursor_color = face->foreground; |
| 5204 | |
| 5205 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
| 5206 | |
| 5207 | hdc = get_frame_dc (f); |
| 5208 | w32_clip_to_row (w, row, TEXT_AREA, hdc); |
| 5209 | |
| 5210 | if (kind == BAR_CURSOR) |
| 5211 | { |
| 5212 | if (width < 0) |
| 5213 | width = FRAME_CURSOR_WIDTH (f); |
| 5214 | width = min (cursor_glyph->pixel_width, width); |
| 5215 | |
| 5216 | w->phys_cursor_width = width; |
| 5217 | |
| 5218 | /* If the character under cursor is R2L, draw the bar cursor |
| 5219 | on the right of its glyph, rather than on the left. */ |
| 5220 | if ((cursor_glyph->resolved_level & 1) != 0) |
| 5221 | x += cursor_glyph->pixel_width - width; |
| 5222 | |
| 5223 | w32_fill_area (f, hdc, cursor_color, x, |
| 5224 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), |
| 5225 | width, row->height); |
| 5226 | } |
| 5227 | else |
| 5228 | { |
| 5229 | int dummy_x, dummy_y, dummy_h; |
| 5230 | |
| 5231 | if (width < 0) |
| 5232 | width = row->height; |
| 5233 | |
| 5234 | width = min (row->height, width); |
| 5235 | |
| 5236 | get_phys_cursor_geometry (w, row, cursor_glyph, &dummy_x, |
| 5237 | &dummy_y, &dummy_h); |
| 5238 | w32_fill_area (f, hdc, cursor_color, x, |
| 5239 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y + |
| 5240 | row->height - width), |
| 5241 | w->phys_cursor_width, width); |
| 5242 | } |
| 5243 | |
| 5244 | w32_set_clip_rectangle (hdc, NULL); |
| 5245 | release_frame_dc (f, hdc); |
| 5246 | } |
| 5247 | } |
| 5248 | |
| 5249 | |
| 5250 | /* RIF: Define cursor CURSOR on frame F. */ |
| 5251 | |
| 5252 | static void |
| 5253 | w32_define_frame_cursor (struct frame *f, Cursor cursor) |
| 5254 | { |
| 5255 | w32_define_cursor (FRAME_W32_WINDOW (f), cursor); |
| 5256 | } |
| 5257 | |
| 5258 | |
| 5259 | /* RIF: Clear area on frame F. */ |
| 5260 | |
| 5261 | static void |
| 5262 | w32_clear_frame_area (struct frame *f, int x, int y, int width, int height) |
| 5263 | { |
| 5264 | HDC hdc; |
| 5265 | |
| 5266 | hdc = get_frame_dc (f); |
| 5267 | w32_clear_area (f, hdc, x, y, width, height); |
| 5268 | release_frame_dc (f, hdc); |
| 5269 | } |
| 5270 | |
| 5271 | /* RIF: Draw or clear cursor on window W. */ |
| 5272 | |
| 5273 | static void |
| 5274 | w32_draw_window_cursor (struct window *w, struct glyph_row *glyph_row, |
| 5275 | int x, int y, enum text_cursor_kinds cursor_type, |
| 5276 | int cursor_width, bool on_p, bool active_p) |
| 5277 | { |
| 5278 | if (on_p) |
| 5279 | { |
| 5280 | /* If the user wants to use the system caret, make sure our own |
| 5281 | cursor remains invisible. */ |
| 5282 | if (w32_use_visible_system_caret) |
| 5283 | { |
| 5284 | /* Call to erase_phys_cursor here seems to use the |
| 5285 | wrong values of w->phys_cursor, as they have been |
| 5286 | overwritten before this function was called. */ |
| 5287 | if (w->phys_cursor_type != NO_CURSOR) |
| 5288 | erase_phys_cursor (w); |
| 5289 | |
| 5290 | cursor_type = w->phys_cursor_type = NO_CURSOR; |
| 5291 | w->phys_cursor_width = -1; |
| 5292 | } |
| 5293 | else |
| 5294 | { |
| 5295 | w->phys_cursor_type = cursor_type; |
| 5296 | } |
| 5297 | |
| 5298 | w->phys_cursor_on_p = 1; |
| 5299 | |
| 5300 | /* If this is the active cursor, we need to track it with the |
| 5301 | system caret, so third party software like screen magnifiers |
| 5302 | and speech synthesizers can follow the cursor. */ |
| 5303 | if (active_p) |
| 5304 | { |
| 5305 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
| 5306 | HWND hwnd = FRAME_W32_WINDOW (f); |
| 5307 | |
| 5308 | w32_system_caret_x |
| 5309 | = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
| 5310 | w32_system_caret_y |
| 5311 | = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) |
| 5312 | + glyph_row->ascent - w->phys_cursor_ascent); |
| 5313 | w32_system_caret_window = w; |
| 5314 | w32_system_caret_hdr_height = WINDOW_HEADER_LINE_HEIGHT (w); |
| 5315 | w32_system_caret_mode_height = WINDOW_MODE_LINE_HEIGHT (w); |
| 5316 | |
| 5317 | PostMessage (hwnd, WM_IME_STARTCOMPOSITION, 0, 0); |
| 5318 | |
| 5319 | /* If the size of the active cursor changed, destroy the old |
| 5320 | system caret. */ |
| 5321 | if (w32_system_caret_hwnd |
| 5322 | && (w32_system_caret_height != w->phys_cursor_height)) |
| 5323 | PostMessage (hwnd, WM_EMACS_DESTROY_CARET, 0, 0); |
| 5324 | |
| 5325 | w32_system_caret_height = w->phys_cursor_height; |
| 5326 | |
| 5327 | /* Move the system caret. */ |
| 5328 | PostMessage (hwnd, WM_EMACS_TRACK_CARET, 0, 0); |
| 5329 | } |
| 5330 | |
| 5331 | if (glyph_row->exact_window_width_line_p |
| 5332 | && (glyph_row->reversed_p |
| 5333 | ? (w->phys_cursor.hpos < 0) |
| 5334 | : (w->phys_cursor.hpos >= glyph_row->used[TEXT_AREA]))) |
| 5335 | { |
| 5336 | glyph_row->cursor_in_fringe_p = 1; |
| 5337 | draw_fringe_bitmap (w, glyph_row, glyph_row->reversed_p); |
| 5338 | return; |
| 5339 | } |
| 5340 | |
| 5341 | switch (cursor_type) |
| 5342 | { |
| 5343 | case HOLLOW_BOX_CURSOR: |
| 5344 | x_draw_hollow_cursor (w, glyph_row); |
| 5345 | break; |
| 5346 | |
| 5347 | case FILLED_BOX_CURSOR: |
| 5348 | draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); |
| 5349 | break; |
| 5350 | |
| 5351 | case BAR_CURSOR: |
| 5352 | x_draw_bar_cursor (w, glyph_row, cursor_width, BAR_CURSOR); |
| 5353 | break; |
| 5354 | |
| 5355 | case HBAR_CURSOR: |
| 5356 | x_draw_bar_cursor (w, glyph_row, cursor_width, HBAR_CURSOR); |
| 5357 | break; |
| 5358 | |
| 5359 | case NO_CURSOR: |
| 5360 | w->phys_cursor_width = 0; |
| 5361 | break; |
| 5362 | |
| 5363 | default: |
| 5364 | emacs_abort (); |
| 5365 | } |
| 5366 | } |
| 5367 | } |
| 5368 | |
| 5369 | |
| 5370 | \f |
| 5371 | /* Icons. */ |
| 5372 | |
| 5373 | int |
| 5374 | x_bitmap_icon (struct frame *f, Lisp_Object icon) |
| 5375 | { |
| 5376 | HANDLE main_icon; |
| 5377 | HANDLE small_icon = NULL; |
| 5378 | |
| 5379 | if (FRAME_W32_WINDOW (f) == 0) |
| 5380 | return 1; |
| 5381 | |
| 5382 | if (NILP (icon)) |
| 5383 | main_icon = LoadIcon (hinst, EMACS_CLASS); |
| 5384 | else if (STRINGP (icon)) |
| 5385 | { |
| 5386 | /* Load the main icon from the named file. */ |
| 5387 | main_icon = LoadImage (NULL, (LPCTSTR) SDATA (icon), IMAGE_ICON, 0, 0, |
| 5388 | LR_DEFAULTSIZE | LR_LOADFROMFILE); |
| 5389 | /* Try to load a small icon to go with it. */ |
| 5390 | small_icon = LoadImage (NULL, (LPCSTR) SDATA (icon), IMAGE_ICON, |
| 5391 | GetSystemMetrics (SM_CXSMICON), |
| 5392 | GetSystemMetrics (SM_CYSMICON), |
| 5393 | LR_LOADFROMFILE); |
| 5394 | } |
| 5395 | else if (SYMBOLP (icon)) |
| 5396 | { |
| 5397 | LPCTSTR name; |
| 5398 | |
| 5399 | if (EQ (icon, intern ("application"))) |
| 5400 | name = (LPCTSTR) IDI_APPLICATION; |
| 5401 | else if (EQ (icon, intern ("hand"))) |
| 5402 | name = (LPCTSTR) IDI_HAND; |
| 5403 | else if (EQ (icon, intern ("question"))) |
| 5404 | name = (LPCTSTR) IDI_QUESTION; |
| 5405 | else if (EQ (icon, intern ("exclamation"))) |
| 5406 | name = (LPCTSTR) IDI_EXCLAMATION; |
| 5407 | else if (EQ (icon, intern ("asterisk"))) |
| 5408 | name = (LPCTSTR) IDI_ASTERISK; |
| 5409 | else if (EQ (icon, intern ("winlogo"))) |
| 5410 | name = (LPCTSTR) IDI_WINLOGO; |
| 5411 | else |
| 5412 | return 1; |
| 5413 | |
| 5414 | main_icon = LoadIcon (NULL, name); |
| 5415 | } |
| 5416 | else |
| 5417 | return 1; |
| 5418 | |
| 5419 | if (main_icon == NULL) |
| 5420 | return 1; |
| 5421 | |
| 5422 | PostMessage (FRAME_W32_WINDOW (f), WM_SETICON, (WPARAM) ICON_BIG, |
| 5423 | (LPARAM) main_icon); |
| 5424 | |
| 5425 | /* If there is a small icon that goes with it, set that too. */ |
| 5426 | if (small_icon) |
| 5427 | PostMessage (FRAME_W32_WINDOW (f), WM_SETICON, (WPARAM) ICON_SMALL, |
| 5428 | (LPARAM) small_icon); |
| 5429 | |
| 5430 | return 0; |
| 5431 | } |
| 5432 | |
| 5433 | \f |
| 5434 | /************************************************************************ |
| 5435 | Handling X errors |
| 5436 | ************************************************************************/ |
| 5437 | |
| 5438 | /* Display Error Handling functions not used on W32. Listing them here |
| 5439 | helps diff stay in step when comparing w32term.c with xterm.c. |
| 5440 | |
| 5441 | x_error_catcher (display, error) |
| 5442 | x_catch_errors (dpy) |
| 5443 | x_catch_errors_unwind (old_val) |
| 5444 | x_check_errors (dpy, format) |
| 5445 | x_fully_uncatch_errors () |
| 5446 | x_had_errors_p (dpy) |
| 5447 | x_clear_errors (dpy) |
| 5448 | x_uncatch_errors (dpy, count) |
| 5449 | x_trace_wire () |
| 5450 | x_connection_signal (signalnum) |
| 5451 | x_connection_closed (dpy, error_message) |
| 5452 | x_error_quitter (display, error) |
| 5453 | x_error_handler (display, error) |
| 5454 | x_io_error_quitter (display) |
| 5455 | |
| 5456 | */ |
| 5457 | |
| 5458 | \f |
| 5459 | /* Changing the font of the frame. */ |
| 5460 | |
| 5461 | Lisp_Object |
| 5462 | x_new_font (struct frame *f, Lisp_Object font_object, int fontset) |
| 5463 | { |
| 5464 | struct font *font = XFONT_OBJECT (font_object); |
| 5465 | |
| 5466 | if (fontset < 0) |
| 5467 | fontset = fontset_from_font (font_object); |
| 5468 | FRAME_FONTSET (f) = fontset; |
| 5469 | if (FRAME_FONT (f) == font) |
| 5470 | /* This font is already set in frame F. There's nothing more to |
| 5471 | do. */ |
| 5472 | return font_object; |
| 5473 | |
| 5474 | FRAME_FONT (f) = font; |
| 5475 | FRAME_BASELINE_OFFSET (f) = font->baseline_offset; |
| 5476 | FRAME_COLUMN_WIDTH (f) = font->average_width; |
| 5477 | FRAME_LINE_HEIGHT (f) = font->height; |
| 5478 | |
| 5479 | compute_fringe_widths (f, 1); |
| 5480 | |
| 5481 | /* Compute the scroll bar width in character columns. */ |
| 5482 | if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0) |
| 5483 | { |
| 5484 | int wid = FRAME_COLUMN_WIDTH (f); |
| 5485 | FRAME_CONFIG_SCROLL_BAR_COLS (f) |
| 5486 | = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) + wid - 1) / wid; |
| 5487 | } |
| 5488 | else |
| 5489 | { |
| 5490 | int wid = FRAME_COLUMN_WIDTH (f); |
| 5491 | FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
| 5492 | } |
| 5493 | |
| 5494 | /* Now make the frame display the given font. */ |
| 5495 | if (FRAME_X_WINDOW (f) != 0) |
| 5496 | { |
| 5497 | /* Don't change the size of a tip frame; there's no point in |
| 5498 | doing it because it's done in Fx_show_tip, and it leads to |
| 5499 | problems because the tip frame has no widget. */ |
| 5500 | if (NILP (tip_frame) || XFRAME (tip_frame) != f) |
| 5501 | x_set_window_size (f, 0, FRAME_COLS (f) * FRAME_COLUMN_WIDTH (f), |
| 5502 | FRAME_LINES (f) * FRAME_LINE_HEIGHT (f), 1); |
| 5503 | } |
| 5504 | |
| 5505 | /* X version sets font of input methods here also. */ |
| 5506 | |
| 5507 | return font_object; |
| 5508 | } |
| 5509 | |
| 5510 | \f |
| 5511 | /*********************************************************************** |
| 5512 | TODO: W32 Input Methods |
| 5513 | ***********************************************************************/ |
| 5514 | /* Listing missing functions from xterm.c helps diff stay in step. |
| 5515 | |
| 5516 | xim_destroy_callback (xim, client_data, call_data) |
| 5517 | xim_open_dpy (dpyinfo, resource_name) |
| 5518 | struct xim_inst_t |
| 5519 | xim_instantiate_callback (display, client_data, call_data) |
| 5520 | xim_initialize (dpyinfo, resource_name) |
| 5521 | xim_close_dpy (dpyinfo) |
| 5522 | |
| 5523 | */ |
| 5524 | |
| 5525 | \f |
| 5526 | /* Calculate the absolute position in frame F |
| 5527 | from its current recorded position values and gravity. */ |
| 5528 | |
| 5529 | void |
| 5530 | x_calc_absolute_position (struct frame *f) |
| 5531 | { |
| 5532 | int flags = f->size_hint_flags; |
| 5533 | |
| 5534 | /* The sum of the widths of the frame's left and right borders, and |
| 5535 | the sum of the heights of the frame's top and bottom borders (in |
| 5536 | pixels) drawn by Windows. */ |
| 5537 | unsigned int left_right_borders_width, top_bottom_borders_height; |
| 5538 | |
| 5539 | /* Try to get the actual values of these two variables. We compute |
| 5540 | the border width (height) by subtracting the width (height) of |
| 5541 | the frame's client area from the width (height) of the frame's |
| 5542 | entire window. */ |
| 5543 | WINDOWPLACEMENT wp = { 0 }; |
| 5544 | RECT client_rect = { 0 }; |
| 5545 | |
| 5546 | if (GetWindowPlacement (FRAME_W32_WINDOW (f), &wp) |
| 5547 | && GetClientRect (FRAME_W32_WINDOW (f), &client_rect)) |
| 5548 | { |
| 5549 | left_right_borders_width = |
| 5550 | (wp.rcNormalPosition.right - wp.rcNormalPosition.left) - |
| 5551 | (client_rect.right - client_rect.left); |
| 5552 | |
| 5553 | top_bottom_borders_height = |
| 5554 | (wp.rcNormalPosition.bottom - wp.rcNormalPosition.top) - |
| 5555 | (client_rect.bottom - client_rect.top); |
| 5556 | } |
| 5557 | else |
| 5558 | { |
| 5559 | /* Use sensible default values. */ |
| 5560 | left_right_borders_width = 8; |
| 5561 | top_bottom_borders_height = 32; |
| 5562 | } |
| 5563 | |
| 5564 | /* Treat negative positions as relative to the rightmost bottommost |
| 5565 | position that fits on the screen. */ |
| 5566 | if (flags & XNegative) |
| 5567 | f->left_pos = (x_display_pixel_width (FRAME_DISPLAY_INFO (f)) |
| 5568 | - FRAME_PIXEL_WIDTH (f) |
| 5569 | + f->left_pos |
| 5570 | - (left_right_borders_width - 1)); |
| 5571 | |
| 5572 | if (flags & YNegative) |
| 5573 | f->top_pos = (x_display_pixel_height (FRAME_DISPLAY_INFO (f)) |
| 5574 | - FRAME_PIXEL_HEIGHT (f) |
| 5575 | + f->top_pos |
| 5576 | - (top_bottom_borders_height - 1)); |
| 5577 | |
| 5578 | /* The left_pos and top_pos are now relative to the top and left |
| 5579 | screen edges, so the flags should correspond. */ |
| 5580 | f->size_hint_flags &= ~ (XNegative | YNegative); |
| 5581 | } |
| 5582 | |
| 5583 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
| 5584 | to really change the position, and 0 when calling from |
| 5585 | x_make_frame_visible (in that case, XOFF and YOFF are the current |
| 5586 | position values). It is -1 when calling from x_set_frame_parameters, |
| 5587 | which means, do adjust for borders but don't change the gravity. */ |
| 5588 | |
| 5589 | void |
| 5590 | x_set_offset (struct frame *f, register int xoff, register int yoff, |
| 5591 | int change_gravity) |
| 5592 | { |
| 5593 | int modified_top, modified_left; |
| 5594 | |
| 5595 | if (change_gravity > 0) |
| 5596 | { |
| 5597 | f->top_pos = yoff; |
| 5598 | f->left_pos = xoff; |
| 5599 | f->size_hint_flags &= ~ (XNegative | YNegative); |
| 5600 | if (xoff < 0) |
| 5601 | f->size_hint_flags |= XNegative; |
| 5602 | if (yoff < 0) |
| 5603 | f->size_hint_flags |= YNegative; |
| 5604 | f->win_gravity = NorthWestGravity; |
| 5605 | } |
| 5606 | x_calc_absolute_position (f); |
| 5607 | |
| 5608 | block_input (); |
| 5609 | x_wm_set_size_hint (f, (long) 0, 0); |
| 5610 | |
| 5611 | modified_left = f->left_pos; |
| 5612 | modified_top = f->top_pos; |
| 5613 | |
| 5614 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 5615 | NULL, |
| 5616 | modified_left, modified_top, |
| 5617 | 0, 0, |
| 5618 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
| 5619 | unblock_input (); |
| 5620 | } |
| 5621 | |
| 5622 | |
| 5623 | /* Check if we need to resize the frame due to a fullscreen request. |
| 5624 | If so needed, resize the frame. */ |
| 5625 | static void |
| 5626 | x_check_fullscreen (struct frame *f) |
| 5627 | { |
| 5628 | if (f->want_fullscreen & FULLSCREEN_BOTH) |
| 5629 | { |
| 5630 | int width, height, ign; |
| 5631 | |
| 5632 | x_real_positions (f, &f->left_pos, &f->top_pos); |
| 5633 | |
| 5634 | x_fullscreen_adjust (f, &width, &height, &ign, &ign); |
| 5635 | |
| 5636 | /* We do not need to move the window, it shall be taken care of |
| 5637 | when setting WM manager hints. */ |
| 5638 | if (FRAME_COLS (f) != width || FRAME_LINES (f) != height) |
| 5639 | { |
| 5640 | change_frame_size (f, width, height, 0, 1, 0, 0); |
| 5641 | SET_FRAME_GARBAGED (f); |
| 5642 | cancel_mouse_face (f); |
| 5643 | |
| 5644 | /* Wait for the change of frame size to occur. */ |
| 5645 | f->want_fullscreen |= FULLSCREEN_WAIT; |
| 5646 | } |
| 5647 | } |
| 5648 | } |
| 5649 | |
| 5650 | static void |
| 5651 | w32fullscreen_hook (struct frame *f) |
| 5652 | { |
| 5653 | if (FRAME_VISIBLE_P (f)) |
| 5654 | { |
| 5655 | HWND hwnd = FRAME_W32_WINDOW(f); |
| 5656 | DWORD dwStyle = GetWindowLong (hwnd, GWL_STYLE); |
| 5657 | RECT rect; |
| 5658 | |
| 5659 | block_input(); |
| 5660 | f->want_fullscreen &= ~FULLSCREEN_WAIT; |
| 5661 | |
| 5662 | if (FRAME_PREV_FSMODE (f) == FULLSCREEN_NONE) |
| 5663 | GetWindowPlacement (hwnd, &FRAME_NORMAL_PLACEMENT (f)); |
| 5664 | |
| 5665 | if (FRAME_PREV_FSMODE (f) == FULLSCREEN_BOTH) |
| 5666 | { |
| 5667 | SetWindowLong (hwnd, GWL_STYLE, dwStyle | WS_OVERLAPPEDWINDOW); |
| 5668 | SetWindowPos (hwnd, NULL, 0, 0, 0, 0, |
| 5669 | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | |
| 5670 | SWP_NOOWNERZORDER | SWP_FRAMECHANGED); |
| 5671 | } |
| 5672 | |
| 5673 | w32_fullscreen_rect (hwnd, f->want_fullscreen, |
| 5674 | FRAME_NORMAL_PLACEMENT (f).rcNormalPosition, &rect); |
| 5675 | FRAME_PREV_FSMODE (f) = f->want_fullscreen; |
| 5676 | if (f->want_fullscreen == FULLSCREEN_MAXIMIZED) |
| 5677 | PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, 0xf030, 0); |
| 5678 | else if (f->want_fullscreen == FULLSCREEN_BOTH) |
| 5679 | { |
| 5680 | SetWindowLong (hwnd, GWL_STYLE, dwStyle & ~WS_OVERLAPPEDWINDOW); |
| 5681 | SetWindowPos (hwnd, HWND_TOP, rect.left, rect.top, |
| 5682 | rect.right - rect.left, rect.bottom - rect.top, |
| 5683 | SWP_NOOWNERZORDER | SWP_FRAMECHANGED); |
| 5684 | } |
| 5685 | else |
| 5686 | { |
| 5687 | SetWindowPos (hwnd, HWND_TOP, rect.left, rect.top, |
| 5688 | rect.right - rect.left, rect.bottom - rect.top, 0); |
| 5689 | } |
| 5690 | |
| 5691 | f->want_fullscreen = FULLSCREEN_NONE; |
| 5692 | unblock_input (); |
| 5693 | } |
| 5694 | else |
| 5695 | f->want_fullscreen |= FULLSCREEN_WAIT; |
| 5696 | } |
| 5697 | |
| 5698 | /* Call this to change the size of frame F's x-window. |
| 5699 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity |
| 5700 | for this size change and subsequent size changes. |
| 5701 | Otherwise we leave the window gravity unchanged. */ |
| 5702 | |
| 5703 | void |
| 5704 | x_set_window_size (struct frame *f, int change_gravity, int width, int height, bool pixelwise) |
| 5705 | { |
| 5706 | int pixelwidth, pixelheight; |
| 5707 | |
| 5708 | block_input (); |
| 5709 | |
| 5710 | check_frame_size (f, &width, &height, pixelwise); |
| 5711 | |
| 5712 | compute_fringe_widths (f, 0); |
| 5713 | |
| 5714 | if (pixelwise) |
| 5715 | { |
| 5716 | pixelwidth = FRAME_TEXT_TO_PIXEL_WIDTH (f, width); |
| 5717 | pixelheight = FRAME_TEXT_TO_PIXEL_HEIGHT (f, height); |
| 5718 | } |
| 5719 | else |
| 5720 | { |
| 5721 | pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, width); |
| 5722 | pixelheight = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, height); |
| 5723 | } |
| 5724 | |
| 5725 | f->win_gravity = NorthWestGravity; |
| 5726 | x_wm_set_size_hint (f, (long) 0, 0); |
| 5727 | |
| 5728 | { |
| 5729 | RECT rect; |
| 5730 | |
| 5731 | rect.left = rect.top = 0; |
| 5732 | rect.right = pixelwidth; |
| 5733 | rect.bottom = pixelheight; |
| 5734 | |
| 5735 | AdjustWindowRect (&rect, f->output_data.w32->dwStyle, |
| 5736 | FRAME_EXTERNAL_MENU_BAR (f)); |
| 5737 | |
| 5738 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 5739 | NULL, |
| 5740 | 0, 0, |
| 5741 | rect.right - rect.left, |
| 5742 | rect.bottom - rect.top, |
| 5743 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); |
| 5744 | } |
| 5745 | |
| 5746 | /* If w32_enable_frame_resize_hack is non-nil, immediately apply the |
| 5747 | new pixel sizes to the frame and its subwindows. See discussion |
| 5748 | of Bug#16028 for why we need this. */ |
| 5749 | |
| 5750 | if (w32_enable_frame_resize_hack) |
| 5751 | /* The following mirrors what is done in xterm.c. It appears to be |
| 5752 | for informing lisp of the new size immediately, while the actual |
| 5753 | resize will happen asynchronously. But on Windows, the menu bar |
| 5754 | automatically wraps when the frame is too narrow to contain it, |
| 5755 | and that causes any calculations made here to come out wrong. The |
| 5756 | end is some nasty buggy behavior, including the potential loss |
| 5757 | of the minibuffer. |
| 5758 | |
| 5759 | Disabling this code is either not sufficient to fix the problems |
| 5760 | completely, or it causes fresh problems, but at least it removes |
| 5761 | the most problematic symptom of the minibuffer becoming unusable. |
| 5762 | |
| 5763 | ----------------------------------------------------------------- |
| 5764 | |
| 5765 | Now, strictly speaking, we can't be sure that this is accurate, |
| 5766 | but the window manager will get around to dealing with the size |
| 5767 | change request eventually, and we'll hear how it went when the |
| 5768 | ConfigureNotify event gets here. |
| 5769 | |
| 5770 | We could just not bother storing any of this information here, |
| 5771 | and let the ConfigureNotify event set everything up, but that |
| 5772 | might be kind of confusing to the Lisp code, since size changes |
| 5773 | wouldn't be reported in the frame parameters until some random |
| 5774 | point in the future when the ConfigureNotify event arrives. |
| 5775 | |
| 5776 | We pass 1 for DELAY since we can't run Lisp code inside of |
| 5777 | a BLOCK_INPUT. */ |
| 5778 | { |
| 5779 | change_frame_size (f, width, height, 0, 1, 0, pixelwise); |
| 5780 | SET_FRAME_GARBAGED (f); |
| 5781 | |
| 5782 | /* If cursor was outside the new size, mark it as off. */ |
| 5783 | mark_window_cursors_off (XWINDOW (f->root_window)); |
| 5784 | |
| 5785 | /* Clear out any recollection of where the mouse highlighting was, |
| 5786 | since it might be in a place that's outside the new frame size. |
| 5787 | Actually checking whether it is outside is a pain in the neck, |
| 5788 | so don't try--just let the highlighting be done afresh with new size. */ |
| 5789 | cancel_mouse_face (f); |
| 5790 | } |
| 5791 | |
| 5792 | unblock_input (); |
| 5793 | } |
| 5794 | \f |
| 5795 | /* Mouse warping. */ |
| 5796 | |
| 5797 | void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y); |
| 5798 | |
| 5799 | void |
| 5800 | x_set_mouse_position (struct frame *f, int x, int y) |
| 5801 | { |
| 5802 | int pix_x, pix_y; |
| 5803 | |
| 5804 | pix_x = FRAME_COL_TO_PIXEL_X (f, x) + FRAME_COLUMN_WIDTH (f) / 2; |
| 5805 | pix_y = FRAME_LINE_TO_PIXEL_Y (f, y) + FRAME_LINE_HEIGHT (f) / 2; |
| 5806 | |
| 5807 | if (pix_x < 0) pix_x = 0; |
| 5808 | if (pix_x > FRAME_PIXEL_WIDTH (f)) pix_x = FRAME_PIXEL_WIDTH (f); |
| 5809 | |
| 5810 | if (pix_y < 0) pix_y = 0; |
| 5811 | if (pix_y > FRAME_PIXEL_HEIGHT (f)) pix_y = FRAME_PIXEL_HEIGHT (f); |
| 5812 | |
| 5813 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
| 5814 | } |
| 5815 | |
| 5816 | void |
| 5817 | x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y) |
| 5818 | { |
| 5819 | RECT rect; |
| 5820 | POINT pt; |
| 5821 | |
| 5822 | block_input (); |
| 5823 | |
| 5824 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
| 5825 | pt.x = rect.left + pix_x; |
| 5826 | pt.y = rect.top + pix_y; |
| 5827 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); |
| 5828 | |
| 5829 | SetCursorPos (pt.x, pt.y); |
| 5830 | |
| 5831 | unblock_input (); |
| 5832 | } |
| 5833 | |
| 5834 | \f |
| 5835 | /* focus shifting, raising and lowering. */ |
| 5836 | |
| 5837 | void |
| 5838 | x_focus_frame (struct frame *f) |
| 5839 | { |
| 5840 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 5841 | |
| 5842 | /* Give input focus to frame. */ |
| 5843 | block_input (); |
| 5844 | #if 0 |
| 5845 | /* Try not to change its Z-order if possible. */ |
| 5846 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) |
| 5847 | my_set_focus (f, FRAME_W32_WINDOW (f)); |
| 5848 | else |
| 5849 | #endif |
| 5850 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
| 5851 | unblock_input (); |
| 5852 | } |
| 5853 | |
| 5854 | /* Raise frame F. */ |
| 5855 | void |
| 5856 | x_raise_frame (struct frame *f) |
| 5857 | { |
| 5858 | block_input (); |
| 5859 | |
| 5860 | /* Strictly speaking, raise-frame should only change the frame's Z |
| 5861 | order, leaving input focus unchanged. This is reasonable behavior |
| 5862 | on X where the usual policy is point-to-focus. However, this |
| 5863 | behavior would be very odd on Windows where the usual policy is |
| 5864 | click-to-focus. |
| 5865 | |
| 5866 | On X, if the mouse happens to be over the raised frame, it gets |
| 5867 | input focus anyway (so the window with focus will never be |
| 5868 | completely obscured) - if not, then just moving the mouse over it |
| 5869 | is sufficient to give it focus. On Windows, the user must actually |
| 5870 | click on the frame (preferably the title bar so as not to move |
| 5871 | point), which is more awkward. Also, no other Windows program |
| 5872 | raises a window to the top but leaves another window (possibly now |
| 5873 | completely obscured) with input focus. |
| 5874 | |
| 5875 | Because there is a system setting on Windows that allows the user |
| 5876 | to choose the point to focus policy, we make the strict semantics |
| 5877 | optional, but by default we grab focus when raising. */ |
| 5878 | |
| 5879 | if (NILP (Vw32_grab_focus_on_raise)) |
| 5880 | { |
| 5881 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
| 5882 | not already the foreground application: the frame is raised |
| 5883 | above all other frames belonging to us, but not above the |
| 5884 | current top window. To achieve that, we have to resort to this |
| 5885 | more cumbersome method. */ |
| 5886 | |
| 5887 | HDWP handle = BeginDeferWindowPos (2); |
| 5888 | if (handle) |
| 5889 | { |
| 5890 | handle = DeferWindowPos (handle, |
| 5891 | FRAME_W32_WINDOW (f), |
| 5892 | HWND_TOP, |
| 5893 | 0, 0, 0, 0, |
| 5894 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); |
| 5895 | if (handle) |
| 5896 | { |
| 5897 | handle = DeferWindowPos (handle, |
| 5898 | GetForegroundWindow (), |
| 5899 | FRAME_W32_WINDOW (f), |
| 5900 | 0, 0, 0, 0, |
| 5901 | SWP_NOSIZE | SWP_NOMOVE | |
| 5902 | SWP_NOACTIVATE); |
| 5903 | if (handle) |
| 5904 | EndDeferWindowPos (handle); |
| 5905 | } |
| 5906 | } |
| 5907 | } |
| 5908 | else |
| 5909 | { |
| 5910 | my_bring_window_to_top (FRAME_W32_WINDOW (f)); |
| 5911 | } |
| 5912 | |
| 5913 | unblock_input (); |
| 5914 | } |
| 5915 | |
| 5916 | /* Lower frame F. */ |
| 5917 | void |
| 5918 | x_lower_frame (struct frame *f) |
| 5919 | { |
| 5920 | block_input (); |
| 5921 | my_set_window_pos (FRAME_W32_WINDOW (f), |
| 5922 | HWND_BOTTOM, |
| 5923 | 0, 0, 0, 0, |
| 5924 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); |
| 5925 | unblock_input (); |
| 5926 | } |
| 5927 | |
| 5928 | static void |
| 5929 | w32_frame_raise_lower (struct frame *f, int raise_flag) |
| 5930 | { |
| 5931 | if (! FRAME_W32_P (f)) |
| 5932 | return; |
| 5933 | |
| 5934 | if (raise_flag) |
| 5935 | x_raise_frame (f); |
| 5936 | else |
| 5937 | x_lower_frame (f); |
| 5938 | } |
| 5939 | \f |
| 5940 | /* Change of visibility. */ |
| 5941 | |
| 5942 | /* This tries to wait until the frame is really visible. |
| 5943 | However, if the window manager asks the user where to position |
| 5944 | the frame, this will return before the user finishes doing that. |
| 5945 | The frame will not actually be visible at that time, |
| 5946 | but it will become visible later when the window manager |
| 5947 | finishes with it. */ |
| 5948 | |
| 5949 | void |
| 5950 | x_make_frame_visible (struct frame *f) |
| 5951 | { |
| 5952 | block_input (); |
| 5953 | |
| 5954 | x_set_bitmap_icon (f); |
| 5955 | |
| 5956 | if (! FRAME_VISIBLE_P (f)) |
| 5957 | { |
| 5958 | /* We test FRAME_GARBAGED_P here to make sure we don't |
| 5959 | call x_set_offset a second time |
| 5960 | if we get to x_make_frame_visible a second time |
| 5961 | before the window gets really visible. */ |
| 5962 | if (! FRAME_ICONIFIED_P (f) |
| 5963 | && ! f->output_data.w32->asked_for_visible) |
| 5964 | { |
| 5965 | RECT workarea_rect; |
| 5966 | RECT window_rect; |
| 5967 | |
| 5968 | /* Adjust vertical window position in order to avoid being |
| 5969 | covered by a task bar placed at the bottom of the desktop. */ |
| 5970 | SystemParametersInfo (SPI_GETWORKAREA, 0, &workarea_rect, 0); |
| 5971 | GetWindowRect (FRAME_W32_WINDOW (f), &window_rect); |
| 5972 | if (window_rect.bottom > workarea_rect.bottom |
| 5973 | && window_rect.top > workarea_rect.top) |
| 5974 | f->top_pos = max (window_rect.top |
| 5975 | - window_rect.bottom + workarea_rect.bottom, |
| 5976 | workarea_rect.top); |
| 5977 | |
| 5978 | x_set_offset (f, f->left_pos, f->top_pos, 0); |
| 5979 | } |
| 5980 | |
| 5981 | f->output_data.w32->asked_for_visible = 1; |
| 5982 | |
| 5983 | /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL |
| 5984 | causes unexpected behavior when unminimizing frames that were |
| 5985 | previously maximized. But only SW_SHOWNORMAL works properly for |
| 5986 | frames that were truely hidden (using make-frame-invisible), so |
| 5987 | we need it to avoid Bug#5482. It seems that iconified is only |
| 5988 | set for minimized windows that are still visible, so use that to |
| 5989 | determine the appropriate flag to pass ShowWindow. */ |
| 5990 | my_show_window (f, FRAME_W32_WINDOW (f), |
| 5991 | FRAME_ICONIFIED_P (f) ? SW_RESTORE : SW_SHOWNORMAL); |
| 5992 | } |
| 5993 | |
| 5994 | /* Synchronize to ensure Emacs knows the frame is visible |
| 5995 | before we do anything else. We do this loop with input not blocked |
| 5996 | so that incoming events are handled. */ |
| 5997 | { |
| 5998 | Lisp_Object frame; |
| 5999 | int count; |
| 6000 | |
| 6001 | /* This must come after we set COUNT. */ |
| 6002 | unblock_input (); |
| 6003 | |
| 6004 | XSETFRAME (frame, f); |
| 6005 | |
| 6006 | /* Wait until the frame is visible. Process X events until a |
| 6007 | MapNotify event has been seen, or until we think we won't get a |
| 6008 | MapNotify at all.. */ |
| 6009 | for (count = input_signal_count + 10; |
| 6010 | input_signal_count < count && !FRAME_VISIBLE_P (f);) |
| 6011 | { |
| 6012 | /* Force processing of queued events. */ |
| 6013 | /* TODO: x_sync equivalent? */ |
| 6014 | |
| 6015 | /* Machines that do polling rather than SIGIO have been observed |
| 6016 | to go into a busy-wait here. So we'll fake an alarm signal |
| 6017 | to let the handler know that there's something to be read. |
| 6018 | We used to raise a real alarm, but it seems that the handler |
| 6019 | isn't always enabled here. This is probably a bug. */ |
| 6020 | if (input_polling_used ()) |
| 6021 | { |
| 6022 | /* It could be confusing if a real alarm arrives while processing |
| 6023 | the fake one. Turn it off and let the handler reset it. */ |
| 6024 | int old_poll_suppress_count = poll_suppress_count; |
| 6025 | poll_suppress_count = 1; |
| 6026 | poll_for_input_1 (); |
| 6027 | poll_suppress_count = old_poll_suppress_count; |
| 6028 | } |
| 6029 | } |
| 6030 | } |
| 6031 | } |
| 6032 | |
| 6033 | /* Change from mapped state to withdrawn state. */ |
| 6034 | |
| 6035 | /* Make the frame visible (mapped and not iconified). */ |
| 6036 | |
| 6037 | void |
| 6038 | x_make_frame_invisible (struct frame *f) |
| 6039 | { |
| 6040 | /* Don't keep the highlight on an invisible frame. */ |
| 6041 | if (FRAME_DISPLAY_INFO (f)->x_highlight_frame == f) |
| 6042 | FRAME_DISPLAY_INFO (f)->x_highlight_frame = 0; |
| 6043 | |
| 6044 | block_input (); |
| 6045 | |
| 6046 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
| 6047 | |
| 6048 | /* We can't distinguish this from iconification |
| 6049 | just by the event that we get from the server. |
| 6050 | So we can't win using the usual strategy of letting |
| 6051 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, |
| 6052 | and synchronize with the server to make sure we agree. */ |
| 6053 | SET_FRAME_VISIBLE (f, 0); |
| 6054 | SET_FRAME_ICONIFIED (f, 0); |
| 6055 | |
| 6056 | unblock_input (); |
| 6057 | } |
| 6058 | |
| 6059 | /* Change window state from mapped to iconified. */ |
| 6060 | |
| 6061 | void |
| 6062 | x_iconify_frame (struct frame *f) |
| 6063 | { |
| 6064 | /* Don't keep the highlight on an invisible frame. */ |
| 6065 | if (FRAME_DISPLAY_INFO (f)->x_highlight_frame == f) |
| 6066 | FRAME_DISPLAY_INFO (f)->x_highlight_frame = 0; |
| 6067 | |
| 6068 | if (FRAME_ICONIFIED_P (f)) |
| 6069 | return; |
| 6070 | |
| 6071 | block_input (); |
| 6072 | |
| 6073 | x_set_bitmap_icon (f); |
| 6074 | |
| 6075 | /* Simulate the user minimizing the frame. */ |
| 6076 | SendMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
| 6077 | |
| 6078 | SET_FRAME_VISIBLE (f, 0); |
| 6079 | SET_FRAME_ICONIFIED (f, 1); |
| 6080 | |
| 6081 | unblock_input (); |
| 6082 | } |
| 6083 | |
| 6084 | \f |
| 6085 | /* Free X resources of frame F. */ |
| 6086 | |
| 6087 | void |
| 6088 | x_free_frame_resources (struct frame *f) |
| 6089 | { |
| 6090 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (f); |
| 6091 | Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f); |
| 6092 | |
| 6093 | block_input (); |
| 6094 | |
| 6095 | /* We must free faces before destroying windows because some |
| 6096 | font-driver (e.g. xft) access a window while finishing a |
| 6097 | face. */ |
| 6098 | free_frame_faces (f); |
| 6099 | |
| 6100 | if (FRAME_W32_WINDOW (f)) |
| 6101 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
| 6102 | |
| 6103 | free_frame_menubar (f); |
| 6104 | |
| 6105 | xfree (f->output_data.w32); |
| 6106 | f->output_data.w32 = NULL; |
| 6107 | |
| 6108 | if (f == dpyinfo->w32_focus_frame) |
| 6109 | dpyinfo->w32_focus_frame = 0; |
| 6110 | if (f == dpyinfo->w32_focus_event_frame) |
| 6111 | dpyinfo->w32_focus_event_frame = 0; |
| 6112 | if (f == dpyinfo->x_highlight_frame) |
| 6113 | dpyinfo->x_highlight_frame = 0; |
| 6114 | if (f == hlinfo->mouse_face_mouse_frame) |
| 6115 | reset_mouse_highlight (hlinfo); |
| 6116 | |
| 6117 | unblock_input (); |
| 6118 | } |
| 6119 | |
| 6120 | |
| 6121 | /* Destroy the window of frame F. */ |
| 6122 | void |
| 6123 | x_destroy_window (struct frame *f) |
| 6124 | { |
| 6125 | struct w32_display_info *dpyinfo = FRAME_DISPLAY_INFO (f); |
| 6126 | |
| 6127 | x_free_frame_resources (f); |
| 6128 | dpyinfo->reference_count--; |
| 6129 | } |
| 6130 | |
| 6131 | \f |
| 6132 | /* Setting window manager hints. */ |
| 6133 | |
| 6134 | /* Set the normal size hints for the window manager, for frame F. |
| 6135 | FLAGS is the flags word to use--or 0 meaning preserve the flags |
| 6136 | that the window now has. |
| 6137 | If USER_POSITION, set the USPosition |
| 6138 | flag (this is useful when FLAGS is 0). */ |
| 6139 | void |
| 6140 | x_wm_set_size_hint (struct frame *f, long flags, bool user_position) |
| 6141 | { |
| 6142 | Window window = FRAME_W32_WINDOW (f); |
| 6143 | |
| 6144 | enter_crit (); |
| 6145 | |
| 6146 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FRAME_COLUMN_WIDTH (f)); |
| 6147 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, FRAME_LINE_HEIGHT (f)); |
| 6148 | SetWindowLong (window, WND_BORDER_INDEX, FRAME_INTERNAL_BORDER_WIDTH (f)); |
| 6149 | SetWindowLong (window, WND_SCROLLBAR_INDEX, FRAME_SCROLL_BAR_AREA_WIDTH (f)); |
| 6150 | |
| 6151 | leave_crit (); |
| 6152 | } |
| 6153 | |
| 6154 | /*********************************************************************** |
| 6155 | Fonts |
| 6156 | ***********************************************************************/ |
| 6157 | |
| 6158 | #ifdef GLYPH_DEBUG |
| 6159 | |
| 6160 | /* Check that FONT is valid on frame F. It is if it can be found in F's |
| 6161 | font table. */ |
| 6162 | |
| 6163 | static void |
| 6164 | x_check_font (struct frame *f, struct font *font) |
| 6165 | { |
| 6166 | eassert (font != NULL && ! NILP (font->props[FONT_TYPE_INDEX])); |
| 6167 | if (font->driver->check) |
| 6168 | eassert (font->driver->check (f, font) == 0); |
| 6169 | } |
| 6170 | |
| 6171 | #endif /* GLYPH_DEBUG */ |
| 6172 | |
| 6173 | |
| 6174 | \f |
| 6175 | /*********************************************************************** |
| 6176 | Initialization |
| 6177 | ***********************************************************************/ |
| 6178 | |
| 6179 | static int w32_initialized = 0; |
| 6180 | |
| 6181 | void |
| 6182 | w32_initialize_display_info (Lisp_Object display_name) |
| 6183 | { |
| 6184 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
| 6185 | |
| 6186 | memset (dpyinfo, 0, sizeof (*dpyinfo)); |
| 6187 | |
| 6188 | dpyinfo->name_list_element = Fcons (display_name, Qnil); |
| 6189 | dpyinfo->w32_id_name = xmalloc (SCHARS (Vinvocation_name) |
| 6190 | + SCHARS (Vsystem_name) + 2); |
| 6191 | sprintf (dpyinfo->w32_id_name, "%s@%s", |
| 6192 | SDATA (Vinvocation_name), SDATA (Vsystem_name)); |
| 6193 | |
| 6194 | /* Default Console mode values - overridden when running in GUI mode |
| 6195 | with values obtained from system metrics. */ |
| 6196 | dpyinfo->resx = 1; |
| 6197 | dpyinfo->resy = 1; |
| 6198 | dpyinfo->n_planes = 1; |
| 6199 | dpyinfo->n_cbits = 4; |
| 6200 | dpyinfo->n_fonts = 0; |
| 6201 | dpyinfo->smallest_font_height = 1; |
| 6202 | dpyinfo->smallest_char_width = 1; |
| 6203 | dpyinfo->vertical_scroll_bar_cursor = w32_load_cursor (IDC_ARROW); |
| 6204 | /* TODO: dpyinfo->gray */ |
| 6205 | |
| 6206 | reset_mouse_highlight (&dpyinfo->mouse_highlight); |
| 6207 | } |
| 6208 | |
| 6209 | /* Create an xrdb-style database of resources to supersede registry settings. |
| 6210 | The database is just a concatenation of C strings, finished by an additional |
| 6211 | \0. The strings are submitted to some basic normalization, so |
| 6212 | |
| 6213 | [ *]option[ *]:[ *]value... |
| 6214 | |
| 6215 | becomes |
| 6216 | |
| 6217 | option:value... |
| 6218 | |
| 6219 | but any whitespace following value is not removed. */ |
| 6220 | |
| 6221 | static char * |
| 6222 | w32_make_rdb (char *xrm_option) |
| 6223 | { |
| 6224 | char *buffer = xmalloc (strlen (xrm_option) + 2); |
| 6225 | char *current = buffer; |
| 6226 | char ch; |
| 6227 | int in_option = 1; |
| 6228 | int before_value = 0; |
| 6229 | |
| 6230 | do { |
| 6231 | ch = *xrm_option++; |
| 6232 | |
| 6233 | if (ch == '\n') |
| 6234 | { |
| 6235 | *current++ = '\0'; |
| 6236 | in_option = 1; |
| 6237 | before_value = 0; |
| 6238 | } |
| 6239 | else if (ch != ' ') |
| 6240 | { |
| 6241 | *current++ = ch; |
| 6242 | if (in_option && (ch == ':')) |
| 6243 | { |
| 6244 | in_option = 0; |
| 6245 | before_value = 1; |
| 6246 | } |
| 6247 | else if (before_value) |
| 6248 | { |
| 6249 | before_value = 0; |
| 6250 | } |
| 6251 | } |
| 6252 | else if (!(in_option || before_value)) |
| 6253 | { |
| 6254 | *current++ = ch; |
| 6255 | } |
| 6256 | } while (ch); |
| 6257 | |
| 6258 | *current = '\0'; |
| 6259 | |
| 6260 | return buffer; |
| 6261 | } |
| 6262 | |
| 6263 | extern frame_parm_handler w32_frame_parm_handlers[]; |
| 6264 | |
| 6265 | static struct redisplay_interface w32_redisplay_interface = |
| 6266 | { |
| 6267 | w32_frame_parm_handlers, |
| 6268 | x_produce_glyphs, |
| 6269 | x_write_glyphs, |
| 6270 | x_insert_glyphs, |
| 6271 | x_clear_end_of_line, |
| 6272 | x_scroll_run, |
| 6273 | x_after_update_window_line, |
| 6274 | x_update_window_begin, |
| 6275 | x_update_window_end, |
| 6276 | 0, /* flush_display */ |
| 6277 | x_clear_window_mouse_face, |
| 6278 | x_get_glyph_overhangs, |
| 6279 | x_fix_overlapping_area, |
| 6280 | w32_draw_fringe_bitmap, |
| 6281 | w32_define_fringe_bitmap, |
| 6282 | w32_destroy_fringe_bitmap, |
| 6283 | w32_compute_glyph_string_overhangs, |
| 6284 | x_draw_glyph_string, |
| 6285 | w32_define_frame_cursor, |
| 6286 | w32_clear_frame_area, |
| 6287 | w32_draw_window_cursor, |
| 6288 | w32_draw_vertical_window_border, |
| 6289 | w32_draw_window_divider, |
| 6290 | w32_shift_glyphs_for_insert |
| 6291 | }; |
| 6292 | |
| 6293 | static void x_delete_terminal (struct terminal *term); |
| 6294 | |
| 6295 | static struct terminal * |
| 6296 | w32_create_terminal (struct w32_display_info *dpyinfo) |
| 6297 | { |
| 6298 | struct terminal *terminal; |
| 6299 | |
| 6300 | terminal = create_terminal (); |
| 6301 | |
| 6302 | terminal->type = output_w32; |
| 6303 | terminal->display_info.w32 = dpyinfo; |
| 6304 | dpyinfo->terminal = terminal; |
| 6305 | |
| 6306 | /* MSVC does not type K&R functions with no arguments correctly, and |
| 6307 | so we must explicitly cast them. */ |
| 6308 | terminal->clear_frame_hook = x_clear_frame; |
| 6309 | terminal->ins_del_lines_hook = x_ins_del_lines; |
| 6310 | terminal->delete_glyphs_hook = x_delete_glyphs; |
| 6311 | terminal->ring_bell_hook = w32_ring_bell; |
| 6312 | terminal->reset_terminal_modes_hook = NULL; |
| 6313 | terminal->set_terminal_modes_hook = NULL; |
| 6314 | terminal->update_begin_hook = x_update_begin; |
| 6315 | terminal->update_end_hook = x_update_end; |
| 6316 | terminal->set_terminal_window_hook = NULL; |
| 6317 | terminal->read_socket_hook = w32_read_socket; |
| 6318 | terminal->frame_up_to_date_hook = w32_frame_up_to_date; |
| 6319 | terminal->mouse_position_hook = w32_mouse_position; |
| 6320 | terminal->frame_rehighlight_hook = w32_frame_rehighlight; |
| 6321 | terminal->frame_raise_lower_hook = w32_frame_raise_lower; |
| 6322 | terminal->fullscreen_hook = w32fullscreen_hook; |
| 6323 | terminal->set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; |
| 6324 | terminal->condemn_scroll_bars_hook = w32_condemn_scroll_bars; |
| 6325 | terminal->redeem_scroll_bar_hook = w32_redeem_scroll_bar; |
| 6326 | terminal->judge_scroll_bars_hook = w32_judge_scroll_bars; |
| 6327 | |
| 6328 | terminal->delete_frame_hook = x_destroy_window; |
| 6329 | terminal->delete_terminal_hook = x_delete_terminal; |
| 6330 | |
| 6331 | terminal->rif = &w32_redisplay_interface; |
| 6332 | |
| 6333 | /* We don't yet support separate terminals on W32, so don't try to share |
| 6334 | keyboards between virtual terminals that are on the same physical |
| 6335 | terminal like X does. */ |
| 6336 | terminal->kboard = allocate_kboard (Qw32); |
| 6337 | /* Don't let the initial kboard remain current longer than necessary. |
| 6338 | That would cause problems if a file loaded on startup tries to |
| 6339 | prompt in the mini-buffer. */ |
| 6340 | if (current_kboard == initial_kboard) |
| 6341 | current_kboard = terminal->kboard; |
| 6342 | terminal->kboard->reference_count++; |
| 6343 | |
| 6344 | return terminal; |
| 6345 | } |
| 6346 | |
| 6347 | static void |
| 6348 | x_delete_terminal (struct terminal *terminal) |
| 6349 | { |
| 6350 | struct w32_display_info *dpyinfo = terminal->display_info.w32; |
| 6351 | |
| 6352 | /* Protect against recursive calls. delete_frame in |
| 6353 | delete_terminal calls us back when it deletes our last frame. */ |
| 6354 | if (!terminal->name) |
| 6355 | return; |
| 6356 | |
| 6357 | block_input (); |
| 6358 | |
| 6359 | x_delete_display (dpyinfo); |
| 6360 | unblock_input (); |
| 6361 | } |
| 6362 | |
| 6363 | struct w32_display_info * |
| 6364 | w32_term_init (Lisp_Object display_name, char *xrm_option, char *resource_name) |
| 6365 | { |
| 6366 | struct w32_display_info *dpyinfo; |
| 6367 | struct terminal *terminal; |
| 6368 | HDC hdc; |
| 6369 | |
| 6370 | block_input (); |
| 6371 | |
| 6372 | if (!w32_initialized) |
| 6373 | { |
| 6374 | w32_initialize (); |
| 6375 | w32_initialized = 1; |
| 6376 | } |
| 6377 | |
| 6378 | w32_initialize_display_info (display_name); |
| 6379 | |
| 6380 | dpyinfo = &one_w32_display_info; |
| 6381 | terminal = w32_create_terminal (dpyinfo); |
| 6382 | |
| 6383 | /* Set the name of the terminal. */ |
| 6384 | terminal->name = xlispstrdup (display_name); |
| 6385 | |
| 6386 | dpyinfo->xrdb = xrm_option ? w32_make_rdb (xrm_option) : NULL; |
| 6387 | |
| 6388 | /* Put this display on the chain. */ |
| 6389 | dpyinfo->next = x_display_list; |
| 6390 | x_display_list = dpyinfo; |
| 6391 | |
| 6392 | hdc = GetDC (NULL); |
| 6393 | |
| 6394 | dpyinfo->root_window = GetDesktopWindow (); |
| 6395 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); |
| 6396 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); |
| 6397 | dpyinfo->resx = GetDeviceCaps (hdc, LOGPIXELSX); |
| 6398 | dpyinfo->resy = GetDeviceCaps (hdc, LOGPIXELSY); |
| 6399 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
| 6400 | ReleaseDC (NULL, hdc); |
| 6401 | |
| 6402 | /* initialize palette with white and black */ |
| 6403 | { |
| 6404 | XColor color; |
| 6405 | w32_defined_color (0, "white", &color, 1); |
| 6406 | w32_defined_color (0, "black", &color, 1); |
| 6407 | } |
| 6408 | |
| 6409 | #ifdef WINDOWSNT |
| 6410 | /* Add the default keyboard. When !WINDOWSNT, we're using the |
| 6411 | standard Emacs console handling machinery and don't need an |
| 6412 | explicit FD here. */ |
| 6413 | add_keyboard_wait_descriptor (0); |
| 6414 | #elif CYGWIN |
| 6415 | /* /dev/windows wakes us up when we have a thread message pending. */ |
| 6416 | add_keyboard_wait_descriptor (w32_message_fd); |
| 6417 | #endif |
| 6418 | |
| 6419 | /* Create Fringe Bitmaps and store them for later use. |
| 6420 | |
| 6421 | On W32, bitmaps are all unsigned short, as Windows requires |
| 6422 | bitmap data to be Word aligned. For some reason they are |
| 6423 | horizontally reflected compared to how they appear on X, so we |
| 6424 | need to bitswap and convert to unsigned shorts before creating |
| 6425 | the bitmaps. */ |
| 6426 | w32_init_fringe (terminal->rif); |
| 6427 | |
| 6428 | unblock_input (); |
| 6429 | |
| 6430 | return dpyinfo; |
| 6431 | } |
| 6432 | \f |
| 6433 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ |
| 6434 | void |
| 6435 | x_delete_display (struct w32_display_info *dpyinfo) |
| 6436 | { |
| 6437 | /* FIXME: the only display info apparently can't be deleted. */ |
| 6438 | /* free palette table */ |
| 6439 | { |
| 6440 | struct w32_palette_entry * plist; |
| 6441 | |
| 6442 | plist = dpyinfo->color_list; |
| 6443 | while (plist) |
| 6444 | { |
| 6445 | struct w32_palette_entry * pentry = plist; |
| 6446 | plist = plist->next; |
| 6447 | xfree (pentry); |
| 6448 | } |
| 6449 | dpyinfo->color_list = NULL; |
| 6450 | if (dpyinfo->palette) |
| 6451 | DeleteObject (dpyinfo->palette); |
| 6452 | } |
| 6453 | xfree (dpyinfo->w32_id_name); |
| 6454 | |
| 6455 | w32_reset_fringes (); |
| 6456 | } |
| 6457 | |
| 6458 | \f |
| 6459 | /* Set up use of W32. */ |
| 6460 | |
| 6461 | DWORD WINAPI w32_msg_worker (void * arg); |
| 6462 | |
| 6463 | static void |
| 6464 | w32_initialize (void) |
| 6465 | { |
| 6466 | HANDLE shell; |
| 6467 | HRESULT (WINAPI * set_user_model) (const wchar_t * id); |
| 6468 | |
| 6469 | baud_rate = 19200; |
| 6470 | |
| 6471 | w32_system_caret_hwnd = NULL; |
| 6472 | w32_system_caret_height = 0; |
| 6473 | w32_system_caret_x = 0; |
| 6474 | w32_system_caret_y = 0; |
| 6475 | |
| 6476 | /* On Windows 7 and later, we need to set the user model ID |
| 6477 | to associate emacsclient launched files with Emacs frames |
| 6478 | in the UI. */ |
| 6479 | shell = GetModuleHandle ("shell32.dll"); |
| 6480 | if (shell) |
| 6481 | { |
| 6482 | set_user_model |
| 6483 | = (void *) GetProcAddress (shell, |
| 6484 | "SetCurrentProcessExplicitAppUserModelID"); |
| 6485 | |
| 6486 | /* If the function is defined, then we are running on Windows 7 |
| 6487 | or newer, and the UI uses this to group related windows |
| 6488 | together. Since emacs, runemacs, emacsclient are related, we |
| 6489 | want them grouped even though the executables are different, |
| 6490 | so we need to set a consistent ID between them. */ |
| 6491 | if (set_user_model) |
| 6492 | set_user_model (L"GNU.Emacs"); |
| 6493 | } |
| 6494 | |
| 6495 | #ifdef CYGWIN |
| 6496 | if ((w32_message_fd = emacs_open ("/dev/windows", O_RDWR, 0)) == -1) |
| 6497 | fatal ("opening /dev/windows: %s", strerror (errno)); |
| 6498 | #endif /* CYGWIN */ |
| 6499 | |
| 6500 | /* Initialize w32_use_visible_system_caret based on whether a screen |
| 6501 | reader is in use. */ |
| 6502 | if (!SystemParametersInfo (SPI_GETSCREENREADER, 0, |
| 6503 | &w32_use_visible_system_caret, 0)) |
| 6504 | w32_use_visible_system_caret = 0; |
| 6505 | |
| 6506 | last_tool_bar_item = -1; |
| 6507 | any_help_event_p = 0; |
| 6508 | |
| 6509 | /* Initialize input mode: interrupt_input off, no flow control, allow |
| 6510 | 8 bit character input, standard quit char. */ |
| 6511 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); |
| 6512 | |
| 6513 | { |
| 6514 | DWORD input_locale_id = ((DWORD_PTR) GetKeyboardLayout (0) & 0xffffffff); |
| 6515 | w32_keyboard_codepage = |
| 6516 | codepage_for_locale ((LCID) (input_locale_id & 0xffff)); |
| 6517 | } |
| 6518 | |
| 6519 | /* Create the window thread - it will terminate itself when the app |
| 6520 | terminates */ |
| 6521 | init_crit (); |
| 6522 | |
| 6523 | dwMainThreadId = GetCurrentThreadId (); |
| 6524 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), |
| 6525 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); |
| 6526 | |
| 6527 | /* Wait for thread to start */ |
| 6528 | { |
| 6529 | MSG msg; |
| 6530 | |
| 6531 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); |
| 6532 | |
| 6533 | hWindowsThread = CreateThread (NULL, 0, |
| 6534 | w32_msg_worker, |
| 6535 | 0, 0, &dwWindowsThreadId); |
| 6536 | |
| 6537 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); |
| 6538 | } |
| 6539 | |
| 6540 | /* It is desirable that mainThread should have the same notion of |
| 6541 | focus window and active window as windowsThread. Unfortunately, the |
| 6542 | following call to AttachThreadInput, which should do precisely what |
| 6543 | we need, causes major problems when Emacs is linked as a console |
| 6544 | program. Unfortunately, we have good reasons for doing that, so |
| 6545 | instead we need to send messages to windowsThread to make some API |
| 6546 | calls for us (ones that affect, or depend on, the active/focus |
| 6547 | window state.) */ |
| 6548 | #ifdef ATTACH_THREADS |
| 6549 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
| 6550 | #endif |
| 6551 | |
| 6552 | /* Dynamically link to optional system components. */ |
| 6553 | { |
| 6554 | HMODULE user_lib = GetModuleHandle ("user32.dll"); |
| 6555 | |
| 6556 | #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn) |
| 6557 | |
| 6558 | LOAD_PROC (user_lib, SetLayeredWindowAttributes); |
| 6559 | |
| 6560 | #undef LOAD_PROC |
| 6561 | |
| 6562 | /* Ensure scrollbar handle is at least 5 pixels. */ |
| 6563 | vertical_scroll_bar_min_handle = 5; |
| 6564 | |
| 6565 | /* For either kind of scroll bar, take account of the arrows; these |
| 6566 | effectively form the border of the main scroll bar range. */ |
| 6567 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border |
| 6568 | = GetSystemMetrics (SM_CYVSCROLL); |
| 6569 | } |
| 6570 | } |
| 6571 | |
| 6572 | void |
| 6573 | syms_of_w32term (void) |
| 6574 | { |
| 6575 | DEFSYM (Qvendor_specific_keysyms, "vendor-specific-keysyms"); |
| 6576 | |
| 6577 | DEFSYM (Qadded, "added"); |
| 6578 | DEFSYM (Qremoved, "removed"); |
| 6579 | DEFSYM (Qmodified, "modified"); |
| 6580 | DEFSYM (Qrenamed_from, "renamed-from"); |
| 6581 | DEFSYM (Qrenamed_to, "renamed-to"); |
| 6582 | |
| 6583 | DEFVAR_INT ("w32-num-mouse-buttons", |
| 6584 | w32_num_mouse_buttons, |
| 6585 | doc: /* Number of physical mouse buttons. */); |
| 6586 | w32_num_mouse_buttons = 2; |
| 6587 | |
| 6588 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
| 6589 | Vw32_swap_mouse_buttons, |
| 6590 | doc: /* Swap the mapping of middle and right mouse buttons. |
| 6591 | When nil, middle button is mouse-2 and right button is mouse-3. */); |
| 6592 | Vw32_swap_mouse_buttons = Qnil; |
| 6593 | |
| 6594 | DEFVAR_LISP ("w32-grab-focus-on-raise", |
| 6595 | Vw32_grab_focus_on_raise, |
| 6596 | doc: /* Raised frame grabs input focus. |
| 6597 | When t, `raise-frame' grabs input focus as well. This fits well |
| 6598 | with the normal Windows click-to-focus policy, but might not be |
| 6599 | desirable when using a point-to-focus policy. */); |
| 6600 | Vw32_grab_focus_on_raise = Qt; |
| 6601 | |
| 6602 | DEFVAR_LISP ("w32-capslock-is-shiftlock", |
| 6603 | Vw32_capslock_is_shiftlock, |
| 6604 | doc: /* Apply CapsLock state to non character input keys. |
| 6605 | When nil, CapsLock only affects normal character input keys. */); |
| 6606 | Vw32_capslock_is_shiftlock = Qnil; |
| 6607 | |
| 6608 | DEFVAR_LISP ("w32-recognize-altgr", |
| 6609 | Vw32_recognize_altgr, |
| 6610 | doc: /* Recognize right-alt and left-ctrl as AltGr. |
| 6611 | When nil, the right-alt and left-ctrl key combination is |
| 6612 | interpreted normally. */); |
| 6613 | Vw32_recognize_altgr = Qt; |
| 6614 | |
| 6615 | DEFVAR_BOOL ("w32-use-visible-system-caret", |
| 6616 | w32_use_visible_system_caret, |
| 6617 | doc: /* Flag to make the system caret visible. |
| 6618 | When this is non-nil, Emacs will indicate the position of point by |
| 6619 | using the system caret instead of drawing its own cursor. Some screen |
| 6620 | reader software does not track the system cursor properly when it is |
| 6621 | invisible, and gets confused by Emacs drawing its own cursor, so this |
| 6622 | variable is initialized to t when Emacs detects that screen reader |
| 6623 | software is running as it starts up. |
| 6624 | |
| 6625 | When this variable is set, other variables affecting the appearance of |
| 6626 | the cursor have no effect. */); |
| 6627 | |
| 6628 | w32_use_visible_system_caret = 0; |
| 6629 | |
| 6630 | /* We don't yet support this, but defining this here avoids whining |
| 6631 | from cus-start.el and other places, like "M-x set-variable". */ |
| 6632 | DEFVAR_BOOL ("x-use-underline-position-properties", |
| 6633 | x_use_underline_position_properties, |
| 6634 | doc: /* Non-nil means make use of UNDERLINE_POSITION font properties. |
| 6635 | A value of nil means ignore them. If you encounter fonts with bogus |
| 6636 | UNDERLINE_POSITION font properties, for example 7x13 on XFree prior |
| 6637 | to 4.1, set this to nil. You can also use `underline-minimum-offset' |
| 6638 | to override the font's UNDERLINE_POSITION for small font display |
| 6639 | sizes. */); |
| 6640 | x_use_underline_position_properties = 0; |
| 6641 | |
| 6642 | DEFVAR_BOOL ("x-underline-at-descent-line", |
| 6643 | x_underline_at_descent_line, |
| 6644 | doc: /* Non-nil means to draw the underline at the same place as the descent line. |
| 6645 | A value of nil means to draw the underline according to the value of the |
| 6646 | variable `x-use-underline-position-properties', which is usually at the |
| 6647 | baseline level. The default value is nil. */); |
| 6648 | x_underline_at_descent_line = 0; |
| 6649 | |
| 6650 | DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars, |
| 6651 | doc: /* Which toolkit scroll bars Emacs uses, if any. |
| 6652 | A value of nil means Emacs doesn't use toolkit scroll bars. |
| 6653 | With the X Window system, the value is a symbol describing the |
| 6654 | X toolkit. Possible values are: gtk, motif, xaw, or xaw3d. |
| 6655 | With MS Windows or Nextstep, the value is t. */); |
| 6656 | Vx_toolkit_scroll_bars = Qt; |
| 6657 | |
| 6658 | DEFVAR_BOOL ("w32-unicode-filenames", |
| 6659 | w32_unicode_filenames, |
| 6660 | doc: /* Non-nil means use Unicode APIs when passing file names to the OS. |
| 6661 | A value of nil means file names passed to the OS APIs and returned |
| 6662 | from those APIs are encoded/decoded using the ANSI codepage |
| 6663 | specified by `file-name-coding-system'. |
| 6664 | |
| 6665 | This variable is set to non-nil by default when Emacs runs on Windows |
| 6666 | systems of the NT family, including W2K, XP, Vista, Windows 7 and |
| 6667 | Windows 8. It is set to nil on Windows 9X. */); |
| 6668 | w32_unicode_filenames = 0; |
| 6669 | |
| 6670 | DEFVAR_BOOL ("w32-enable-frame-resize-hack", |
| 6671 | w32_enable_frame_resize_hack, |
| 6672 | doc: /* Non-nil means enable hack for frame resizing on Windows. |
| 6673 | A value of nil means to resize frames by sending a corresponding request |
| 6674 | to the Windows API and changing the pixel sizes of the frame and its |
| 6675 | windows after the latter calls back. If this is non-nil, Emacs changes |
| 6676 | the pixel sizes of the frame and its windows at the time it sends the |
| 6677 | resize request to the API. */); |
| 6678 | w32_enable_frame_resize_hack = 1; |
| 6679 | |
| 6680 | /* Tell Emacs about this window system. */ |
| 6681 | Fprovide (Qw32, Qnil); |
| 6682 | } |