xfns.c 153 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Functions for the X window system.
2
   Copyright (C) 1989, 92, 93, 94, 95, 96, 1997 Free Software Foundation.
Jim Blandy's avatar
Jim Blandy committed
3 4 5 6 7

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Jim Blandy's avatar
Jim Blandy committed
8
the Free Software Foundation; either version 2, or (at your option)
Jim Blandy's avatar
Jim Blandy committed
9 10 11 12 13 14 15 16 17
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
18 19
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
Jim Blandy's avatar
Jim Blandy committed
20 21 22 23 24

/* Completely rewritten by Richard Stallman.  */

/* Rewritten for X11 by Joseph Arceneaux */

Richard M. Stallman's avatar
Richard M. Stallman committed
25 26 27
#include <signal.h>
#include <config.h>

28 29 30
/* This makes the fields of a Display accessible, in Xlib header files.  */
#define XLIB_ILLEGAL_ACCESS

Jim Blandy's avatar
Jim Blandy committed
31 32
#include "lisp.h"
#include "xterm.h"
Jim Blandy's avatar
Jim Blandy committed
33
#include "frame.h"
Jim Blandy's avatar
Jim Blandy committed
34 35 36
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
Jim Blandy's avatar
Jim Blandy committed
37
#include "keyboard.h"
38
#include "blockinput.h"
39
#include <epaths.h>
Karl Heuer's avatar
Karl Heuer committed
40 41
#include "charset.h"
#include "fontset.h"
Jim Blandy's avatar
Jim Blandy committed
42 43 44 45

#ifdef HAVE_X_WINDOWS
extern void abort ();

46 47 48
/* On some systems, the character-composition stuff is broken in X11R5.  */
#if defined (HAVE_X11R5) && ! defined (HAVE_X11R6)
#ifdef X11R5_INHIBIT_I18N
49
#define X_I18N_INHIBITED
50 51 52
#endif
#endif

53
#ifndef VMS
54
#if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work.  */
55 56
#include "bitmaps/gray.xbm"
#else
Jim Blandy's avatar
Jim Blandy committed
57
#include <X11/bitmaps/gray>
58
#endif
59 60 61
#else
#include "[.bitmaps]gray.xbm"
#endif
Jim Blandy's avatar
Jim Blandy committed
62

63 64 65
#ifdef USE_X_TOOLKIT
#include <X11/Shell.h>

66
#ifndef USE_MOTIF
67 68
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Label.h>
69
#endif /* USE_MOTIF */
70 71 72 73 74 75 76 77 78 79 80 81 82

#ifdef USG
#undef USG	/* ####KLUDGE for Solaris 2.2 and up */
#include <X11/Xos.h>
#define USG
#else
#include <X11/Xos.h>
#endif

#include "widget.h"

#include "../lwlib/lwlib.h"

83 84 85
/* Do the EDITRES protocol if running X11R5
   Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */
#if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES)
86
#define HACK_EDITRES
87
extern void _XEditResCheckMessages ();
88 89 90
#endif /* R5 + Athena */

/* Unique id counter for widgets created by the Lucid Widget
91
   Library.  */
92 93
extern LWLIB_ID widget_id_tick;

94
#ifdef USE_LUCID
95
/* This is part of a kludge--see lwlib/xlwmenu.c.  */
96
extern XFontStruct *xlwmenu_default_font;
97
#endif
98

99
extern void free_frame_menubar ();
100 101
#endif /* USE_X_TOOLKIT */

Jim Blandy's avatar
Jim Blandy committed
102 103 104
#define min(a,b) ((a) < (b) ? (a) : (b))
#define max(a,b) ((a) > (b) ? (a) : (b))

Richard M. Stallman's avatar
Richard M. Stallman committed
105 106 107 108 109 110
#ifdef HAVE_X11R4
#define MAXREQUEST(dpy) (XMaxRequestSize (dpy))
#else
#define MAXREQUEST(dpy) ((dpy)->max_request_size)
#endif

111
/* The name we're using in resource queries.  Most often "emacs".  */
112
Lisp_Object Vx_resource_name;
113

114 115 116 117
/* The application class we're using in resource queries.
   Normally "Emacs".  */
Lisp_Object Vx_resource_class;

Jim Blandy's avatar
Jim Blandy committed
118
/* The background and shape of the mouse pointer, and shape when not
119
   over text or in the modeline.  */
Jim Blandy's avatar
Jim Blandy committed
120
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
121 122
/* The shape when over mouse-sensitive text.  */
Lisp_Object Vx_sensitive_text_pointer_shape;
Jim Blandy's avatar
Jim Blandy committed
123

124
/* Color of chars displayed in cursor box.  */
Jim Blandy's avatar
Jim Blandy committed
125 126
Lisp_Object Vx_cursor_fore_pixel;

127 128
/* Nonzero if using X.  */
static int x_in_use;
Jim Blandy's avatar
Jim Blandy committed
129

130
/* Non nil if no window manager is in use.  */
Jim Blandy's avatar
Jim Blandy committed
131 132
Lisp_Object Vx_no_window_manager;

Richard M. Stallman's avatar
Richard M. Stallman committed
133 134 135
/* Search path for bitmap files.  */
Lisp_Object Vx_bitmap_file_path;

Karl Heuer's avatar
Karl Heuer committed
136 137 138
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
Lisp_Object Vx_pixel_size_width_font_regexp;

139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
/* Evaluate this expression to rebuild the section of syms_of_xfns
   that initializes and staticpros the symbols declared below.  Note
   that Emacs 18 has a bug that keeps C-x C-e from being able to
   evaluate this expression.

(progn
  ;; Accumulate a list of the symbols we want to initialize from the
  ;; declarations at the top of the file.
  (goto-char (point-min))
  (search-forward "/\*&&& symbols declared here &&&*\/\n")
  (let (symbol-list)
    (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)")
      (setq symbol-list
	    (cons (buffer-substring (match-beginning 1) (match-end 1))
		  symbol-list))
      (forward-line 1))
    (setq symbol-list (nreverse symbol-list))
    ;; Delete the section of syms_of_... where we initialize the symbols.
    (search-forward "\n  /\*&&& init symbols here &&&*\/\n")
    (let ((start (point)))
      (while (looking-at "^  Q")
	(forward-line 2))
      (kill-region start (point)))
    ;; Write a new symbol initialization section.
    (while symbol-list
      (insert (format "  %s = intern (\"" (car symbol-list)))
      (let ((start (point)))
	(insert (substring (car symbol-list) 1))
	(subst-char-in-region start (point) ?_ ?-))
      (insert (format "\");\n  staticpro (&%s);\n" (car symbol-list)))
      (setq symbol-list (cdr symbol-list)))))

  */        

/*&&& symbols declared here &&&*/
Lisp_Object Qauto_raise;
Lisp_Object Qauto_lower;
Lisp_Object Qbackground_color;
Jim Blandy's avatar
Jim Blandy committed
177
Lisp_Object Qbar;
178 179
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Jim Blandy's avatar
Jim Blandy committed
180
Lisp_Object Qbox;
181
Lisp_Object Qcursor_color;
Jim Blandy's avatar
Jim Blandy committed
182
Lisp_Object Qcursor_type;
183 184 185 186 187
Lisp_Object Qforeground_color;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object Qicon_type;
Karl Heuer's avatar
Karl Heuer committed
188
Lisp_Object Qicon_name;
189 190
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
191
Lisp_Object Qright;
192
Lisp_Object Qmouse_color;
193
Lisp_Object Qnone;
194
Lisp_Object Qouter_window_id;
195
Lisp_Object Qparent_id;
196
Lisp_Object Qscroll_bar_width;
197
Lisp_Object Qsuppress_icon;
198
Lisp_Object Qtop;
Jim Blandy's avatar
Jim Blandy committed
199
Lisp_Object Qundefined_color;
200
Lisp_Object Qvertical_scroll_bars;
201
Lisp_Object Qvisibility;
202
Lisp_Object Qwindow_id;
Jim Blandy's avatar
Jim Blandy committed
203
Lisp_Object Qx_frame_parameter;
204
Lisp_Object Qx_resource_name;
205 206
Lisp_Object Quser_position;
Lisp_Object Quser_size;
207
Lisp_Object Qdisplay;
Jim Blandy's avatar
Jim Blandy committed
208

209
/* The below are defined in frame.c.  */
210
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
Richard M. Stallman's avatar
Richard M. Stallman committed
211
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
212

Jim Blandy's avatar
Jim Blandy committed
213 214
extern Lisp_Object Vwindow_system_version;

215
Lisp_Object Qface_set_after_frame_default;
Jim Blandy's avatar
Jim Blandy committed
216

Richard M. Stallman's avatar
Richard M. Stallman committed
217
/* Error if we are not connected to X.  */
Karl Heuer's avatar
Karl Heuer committed
218
void
Richard M. Stallman's avatar
Richard M. Stallman committed
219 220
check_x ()
{
221
  if (! x_in_use)
Richard M. Stallman's avatar
Richard M. Stallman committed
222 223 224
    error ("X windows are not in use or not initialized");
}

225 226
/* Nonzero if we can use mouse menus.
   You should not call this unless HAVE_MENUS is defined.  */
227 228

int
229
have_menus_p ()
230
{
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250
  return x_in_use;
}

/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
   and checking validity for X.  */

FRAME_PTR
check_x_frame (frame)
     Lisp_Object frame;
{
  FRAME_PTR f;

  if (NILP (frame))
    f = selected_frame;
  else
    {
      CHECK_LIVE_FRAME (frame, 0);
      f = XFRAME (frame);
    }
  if (! FRAME_X_P (f))
251
    error ("Non-X frame used");
252
  return f;
253 254
}

255 256 257 258 259 260 261 262 263 264
/* Let the user specify an X display with a frame.
   nil stands for the selected frame--or, if that is not an X frame,
   the first X display on the list.  */

static struct x_display_info *
check_x_display_info (frame)
     Lisp_Object frame;
{
  if (NILP (frame))
    {
265 266
      if (FRAME_X_P (selected_frame)
	  && FRAME_LIVE_P (selected_frame))
267 268 269 270 271 272 273 274 275 276 277 278 279 280 281
	return FRAME_X_DISPLAY_INFO (selected_frame);
      else if (x_display_list != 0)
	return x_display_list;
      else
	error ("X windows are not in use or not initialized");
    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
      FRAME_PTR f;

      CHECK_LIVE_FRAME (frame, 0);
      f = XFRAME (frame);
      if (! FRAME_X_P (f))
282
	error ("Non-X frame used");
283 284 285 286
      return FRAME_X_DISPLAY_INFO (f);
    }
}

Jim Blandy's avatar
Jim Blandy committed
287 288
/* Return the Emacs frame-object corresponding to an X window.
   It could be the frame's main window or an icon window.  */
Jim Blandy's avatar
Jim Blandy committed
289

290
/* This function can be called during GC, so use GC_xxx type test macros.  */
291

Jim Blandy's avatar
Jim Blandy committed
292
struct frame *
293 294
x_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
Jim Blandy's avatar
Jim Blandy committed
295 296
     int wdesc;
{
Jim Blandy's avatar
Jim Blandy committed
297 298
  Lisp_Object tail, frame;
  struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
299

300
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
Jim Blandy's avatar
Jim Blandy committed
301
    {
Jim Blandy's avatar
Jim Blandy committed
302
      frame = XCONS (tail)->car;
303
      if (!GC_FRAMEP (frame))
Jim Blandy's avatar
Jim Blandy committed
304
        continue;
Jim Blandy's avatar
Jim Blandy committed
305
      f = XFRAME (frame);
306
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
307
	continue;
308
#ifdef USE_X_TOOLKIT
309 310 311
      if ((f->output_data.x->edit_widget 
	   && XtWindow (f->output_data.x->edit_widget) == wdesc)
          || f->output_data.x->icon_desc == wdesc)
312 313
        return f;
#else /* not USE_X_TOOLKIT */
314
      if (FRAME_X_WINDOW (f) == wdesc
315
          || f->output_data.x->icon_desc == wdesc)
Jim Blandy's avatar
Jim Blandy committed
316
        return f;
317 318 319 320 321 322 323 324 325 326
#endif /* not USE_X_TOOLKIT */
    }
  return 0;
}

#ifdef USE_X_TOOLKIT
/* Like x_window_to_frame but also compares the window with the widget's
   windows.  */

struct frame *
327 328
x_any_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
329 330 331 332
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
333
  struct x_output *x;
334

335
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
336 337
    {
      frame = XCONS (tail)->car;
338
      if (!GC_FRAMEP (frame))
339 340
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
341
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
342
	continue;
343
      x = f->output_data.x;
344 345 346 347 348 349
      /* This frame matches if the window is any of its widgets.  */
      if (wdesc == XtWindow (x->widget) 
	  || wdesc == XtWindow (x->column_widget) 
	  || wdesc == XtWindow (x->edit_widget))
	return f;
      /* Match if the window is this frame's menubar.  */
350
      if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
351
	return f;
Jim Blandy's avatar
Jim Blandy committed
352 353 354
    }
  return 0;
}
355

356 357 358 359 360 361 362 363 364
/* Likewise, but exclude the menu bar widget.  */

struct frame *
x_non_menubar_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
365
  struct x_output *x;
366 367 368 369 370 371 372

  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
    {
      frame = XCONS (tail)->car;
      if (!GC_FRAMEP (frame))
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
373
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
374
	continue;
375
      x = f->output_data.x;
376 377 378 379 380 381 382 383 384
      /* This frame matches if the window is any of its widgets.  */
      if (wdesc == XtWindow (x->widget) 
	  || wdesc == XtWindow (x->column_widget) 
	  || wdesc == XtWindow (x->edit_widget))
	return f;
    }
  return 0;
}

385 386 387 388 389 390 391 392 393
/* Likewise, but consider only the menu bar widget.  */

struct frame *
x_menubar_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
394
  struct x_output *x;
395 396 397 398 399 400 401

  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
    {
      frame = XCONS (tail)->car;
      if (!GC_FRAMEP (frame))
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
402
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
403
	continue;
404
      x = f->output_data.x;
405 406 407 408 409 410 411
      /* Match if the window is this frame's menubar.  */
      if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
	return f;
    }
  return 0;
}

412 413 414 415
/* Return the frame whose principal (outermost) window is WDESC.
   If WDESC is some other (smaller) window, we return 0.  */

struct frame *
416 417
x_top_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
418 419 420 421
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
422
  struct x_output *x;
423

424
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
425 426
    {
      frame = XCONS (tail)->car;
427
      if (!GC_FRAMEP (frame))
428 429
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
430
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
431
	continue;
432
      x = f->output_data.x;
433 434 435
      /* This frame matches if the window is its topmost widget.  */
      if (wdesc == XtWindow (x->widget))
	return f;
436 437 438
#if 0 /* I don't know why it did this,
	 but it seems logically wrong,
	 and it causes trouble for MapNotify events.  */
439 440 441 442
      /* Match if the window is this frame's menubar.  */
      if (x->menubar_widget 
	  && wdesc == XtWindow (x->menubar_widget))
	return f;
443
#endif
444 445 446
    }
  return 0;
}
447
#endif /* USE_X_TOOLKIT */
Jim Blandy's avatar
Jim Blandy committed
448

449 450 451 452 453 454 455 456 457 458 459


/* Code to deal with bitmaps.  Bitmaps are referenced by their bitmap
   id, which is just an int that this section returns.  Bitmaps are
   reference counted so they can be shared among frames.

   Bitmap indices are guaranteed to be > 0, so a negative number can
   be used to indicate no bitmap.

   If you use x_create_bitmap_from_data, then you must keep track of
   the bitmaps yourself.  That is, creating a bitmap from the same
460
   data more than once will not be caught.  */
461 462


Richard M. Stallman's avatar
Richard M. Stallman committed
463 464 465 466 467 468 469
/* Functions to access the contents of a bitmap, given an id.  */

int
x_bitmap_height (f, id)
     FRAME_PTR f;
     int id;
{
470
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height;
Richard M. Stallman's avatar
Richard M. Stallman committed
471 472 473 474 475 476 477
}

int
x_bitmap_width (f, id)
     FRAME_PTR f;
     int id;
{
478
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width;
Richard M. Stallman's avatar
Richard M. Stallman committed
479 480 481 482 483 484 485
}

int
x_bitmap_pixmap (f, id)
     FRAME_PTR f;
     int id;
{
486
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
Richard M. Stallman's avatar
Richard M. Stallman committed
487 488 489
}


490 491 492
/* Allocate a new bitmap record.  Returns index of new record.  */

static int
493 494
x_allocate_bitmap_record (f)
     FRAME_PTR f;
495
{
496 497 498 499
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
  int i;

  if (dpyinfo->bitmaps == NULL)
500
    {
501 502 503 504
      dpyinfo->bitmaps_size = 10;
      dpyinfo->bitmaps
	= (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record));
      dpyinfo->bitmaps_last = 1;
505 506 507
      return 1;
    }

508 509
  if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
    return ++dpyinfo->bitmaps_last;
510

511 512 513
  for (i = 0; i < dpyinfo->bitmaps_size; ++i)
    if (dpyinfo->bitmaps[i].refcount == 0)
      return i + 1;
514

515 516 517 518 519
  dpyinfo->bitmaps_size *= 2;
  dpyinfo->bitmaps
    = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps,
					   dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record));
  return ++dpyinfo->bitmaps_last;
520 521 522 523 524
}

/* Add one reference to the reference count of the bitmap with id ID.  */

void
Richard M. Stallman's avatar
Richard M. Stallman committed
525 526
x_reference_bitmap (f, id)
     FRAME_PTR f;
527 528
     int id;
{
529
  ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
530 531 532 533 534 535 536 537 538 539
}

/* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS.  */

int
x_create_bitmap_from_data (f, bits, width, height)
     struct frame *f;
     char *bits;
     unsigned int width, height;
{
540
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
541 542 543
  Pixmap bitmap;
  int id;

544
  bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
545 546 547 548 549
				  bits, width, height);

  if (! bitmap)
    return -1;

550 551 552 553 554 555 556
  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].file = NULL;
  dpyinfo->bitmaps[id - 1].refcount = 1;
  dpyinfo->bitmaps[id - 1].depth = 1;
  dpyinfo->bitmaps[id - 1].height = height;
  dpyinfo->bitmaps[id - 1].width = width;
557 558 559 560 561 562 563 564 565

  return id;
}

/* Create bitmap from file FILE for frame F.  */

int
x_create_bitmap_from_file (f, file)
     struct frame *f;
Richard M. Stallman's avatar
Richard M. Stallman committed
566
     Lisp_Object file;
567
{
568
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
569 570 571
  unsigned int width, height;
  Pixmap bitmap;
  int xhot, yhot, result, id;
Richard M. Stallman's avatar
Richard M. Stallman committed
572 573 574
  Lisp_Object found;
  int fd;
  char *filename;
575 576

  /* Look for an existing bitmap with the same name.  */
577
  for (id = 0; id < dpyinfo->bitmaps_last; ++id)
578
    {
579 580 581
      if (dpyinfo->bitmaps[id].refcount
	  && dpyinfo->bitmaps[id].file
	  && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data))
582
	{
583
	  ++dpyinfo->bitmaps[id].refcount;
584 585 586 587
	  return id + 1;
	}
    }

Richard M. Stallman's avatar
Richard M. Stallman committed
588 589 590 591
  /* Search bitmap-file-path for the file, if appropriate.  */
  fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
  if (fd < 0)
    return -1;
592 593 594
  /* XReadBitmapFile won't handle magic file names.  */
  if (fd == 0)
    return -1;
Richard M. Stallman's avatar
Richard M. Stallman committed
595 596 597 598
  close (fd);

  filename = (char *) XSTRING (found)->data;

599
  result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
Richard M. Stallman's avatar
Richard M. Stallman committed
600
			    filename, &width, &height, &bitmap, &xhot, &yhot);
601 602 603
  if (result != BitmapSuccess)
    return -1;

604 605 606
  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].refcount = 1;
607
  dpyinfo->bitmaps[id - 1].file
608
    = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1);
609 610 611 612
  dpyinfo->bitmaps[id - 1].depth = 1;
  dpyinfo->bitmaps[id - 1].height = height;
  dpyinfo->bitmaps[id - 1].width = width;
  strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data);
613 614 615 616 617 618

  return id;
}

/* Remove reference to bitmap with id number ID.  */

619
void
Richard M. Stallman's avatar
Richard M. Stallman committed
620 621
x_destroy_bitmap (f, id)
     FRAME_PTR f;
622 623
     int id;
{
624 625
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);

626 627
  if (id > 0)
    {
628 629
      --dpyinfo->bitmaps[id - 1].refcount;
      if (dpyinfo->bitmaps[id - 1].refcount == 0)
630
	{
631
	  BLOCK_INPUT;
632 633
	  XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap);
	  if (dpyinfo->bitmaps[id - 1].file)
634
	    {
635 636
	      free (dpyinfo->bitmaps[id - 1].file);
	      dpyinfo->bitmaps[id - 1].file = NULL;
637
	    }
638
	  UNBLOCK_INPUT;
639 640 641 642
	}
    }
}

643
/* Free all the bitmaps for the display specified by DPYINFO.  */
644

645 646 647
static void
x_destroy_all_bitmaps (dpyinfo)
     struct x_display_info *dpyinfo;
648
{
649 650 651 652 653 654 655 656 657
  int i;
  for (i = 0; i < dpyinfo->bitmaps_last; i++)
    if (dpyinfo->bitmaps[i].refcount > 0)
      {
	XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap);
	if (dpyinfo->bitmaps[i].file)
	  free (dpyinfo->bitmaps[i].file);
      }
  dpyinfo->bitmaps_last = 0;
658
}
Jim Blandy's avatar
Jim Blandy committed
659

Jim Blandy's avatar
Jim Blandy committed
660
/* Connect the frame-parameter names for X frames
Jim Blandy's avatar
Jim Blandy committed
661 662 663
   to the ways of passing the parameter values to the window system.

   The name of a parameter, as a Lisp symbol,
Jim Blandy's avatar
Jim Blandy committed
664
   has an `x-frame-parameter' property which is an integer in Lisp
665
   that is an index in this table.  */
Jim Blandy's avatar
Jim Blandy committed
666

Jim Blandy's avatar
Jim Blandy committed
667
struct x_frame_parm_table
Jim Blandy's avatar
Jim Blandy committed
668 669
{
  char *name;
Jim Blandy's avatar
Jim Blandy committed
670
  void (*setter)( /* struct frame *frame, Lisp_Object val, oldval */ );
Jim Blandy's avatar
Jim Blandy committed
671 672 673 674 675 676 677
};

void x_set_foreground_color ();
void x_set_background_color ();
void x_set_mouse_color ();
void x_set_cursor_color ();
void x_set_border_color ();
Jim Blandy's avatar
Jim Blandy committed
678
void x_set_cursor_type ();
Jim Blandy's avatar
Jim Blandy committed
679
void x_set_icon_type ();
Karl Heuer's avatar
Karl Heuer committed
680
void x_set_icon_name ();
Jim Blandy's avatar
Jim Blandy committed
681 682 683
void x_set_font ();
void x_set_border_width ();
void x_set_internal_border_width ();
684
void x_explicitly_set_name ();
Jim Blandy's avatar
Jim Blandy committed
685 686
void x_set_autoraise ();
void x_set_autolower ();
687
void x_set_vertical_scroll_bars ();
688 689
void x_set_visibility ();
void x_set_menu_bar_lines ();
690
void x_set_scroll_bar_width ();
691
void x_set_title ();
692
void x_set_unsplittable ();
Jim Blandy's avatar
Jim Blandy committed
693

Jim Blandy's avatar
Jim Blandy committed
694
static struct x_frame_parm_table x_frame_parms[] =
Jim Blandy's avatar
Jim Blandy committed
695
{
696 697
  "auto-raise", x_set_autoraise,
  "auto-lower", x_set_autolower,
Jim Blandy's avatar
Jim Blandy committed
698 699
  "background-color", x_set_background_color,
  "border-color", x_set_border_color,
700 701
  "border-width", x_set_border_width,
  "cursor-color", x_set_cursor_color,
Jim Blandy's avatar
Jim Blandy committed
702
  "cursor-type", x_set_cursor_type,
Jim Blandy's avatar
Jim Blandy committed
703
  "font", x_set_font,
704 705 706
  "foreground-color", x_set_foreground_color,
  "icon-name", x_set_icon_name,
  "icon-type", x_set_icon_type,
Jim Blandy's avatar
Jim Blandy committed
707
  "internal-border-width", x_set_internal_border_width,
708
  "menu-bar-lines", x_set_menu_bar_lines,
709 710
  "mouse-color", x_set_mouse_color,
  "name", x_explicitly_set_name,
711
  "scroll-bar-width", x_set_scroll_bar_width,
712
  "title", x_set_title,
713
  "unsplittable", x_set_unsplittable,
714 715
  "vertical-scroll-bars", x_set_vertical_scroll_bars,
  "visibility", x_set_visibility,
Jim Blandy's avatar
Jim Blandy committed
716 717
};

Jim Blandy's avatar
Jim Blandy committed
718
/* Attach the `x-frame-parameter' properties to
Jim Blandy's avatar
Jim Blandy committed
719 720
   the Lisp symbol names of parameters relevant to X.  */

Andreas Schwab's avatar
Andreas Schwab committed
721
void
Jim Blandy's avatar
Jim Blandy committed
722 723 724 725
init_x_parm_symbols ()
{
  int i;

726
  for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
Jim Blandy's avatar
Jim Blandy committed
727
    Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
Jim Blandy's avatar
Jim Blandy committed
728 729 730
	  make_number (i));
}

731
/* Change the parameters of frame F as specified by ALIST.
732 733
   If a parameter is not specially recognized, do nothing;
   otherwise call the `x_set_...' function for that parameter.  */
734

735 736 737 738 739 740 741 742 743 744
void
x_set_frame_parameters (f, alist)
     FRAME_PTR f;
     Lisp_Object alist;
{
  Lisp_Object tail;

  /* If both of these parameters are present, it's more efficient to
     set them both at once.  So we wait until we've looked at the
     entire list before we set them.  */
745
  int width, height;
746 747 748 749

  /* Same here.  */
  Lisp_Object left, top;

750 751 752
  /* Same with these.  */
  Lisp_Object icon_left, icon_top;

753 754 755 756
  /* Record in these vectors all the parms specified.  */
  Lisp_Object *parms;
  Lisp_Object *values;
  int i;
757
  int left_no_change = 0, top_no_change = 0;
758
  int icon_left_no_change = 0, icon_top_no_change = 0;
759

760 761
  struct gcpro gcpro1, gcpro2;

762 763 764 765 766 767
  i = 0;
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    i++;

  parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
  values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
768

769 770 771
  /* Extract parm names and values into those vectors.  */

  i = 0;
772 773 774 775 776
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    {
      Lisp_Object elt, prop, val;

      elt = Fcar (tail);
777 778 779 780
      parms[i] = Fcar (elt);
      values[i] = Fcdr (elt);
      i++;
    }
781 782 783 784 785 786
  /* TAIL and ALIST are not used again below here.  */
  alist = tail = Qnil;

  GCPRO2 (*parms, *values);
  gcpro1.nvars = i;
  gcpro2.nvars = i;
787

788 789
  /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
     because their values appear in VALUES and strings are not valid.  */
790
  top = left = Qunbound;
791
  icon_left = icon_top = Qunbound;
792

793 794 795 796 797 798 799 800 801 802 803
  /* Provide default values for HEIGHT and WIDTH.  */
  if (FRAME_NEW_WIDTH (f))
    width = FRAME_NEW_WIDTH (f);
  else
    width = FRAME_WIDTH (f);

  if (FRAME_NEW_HEIGHT (f))
    height = FRAME_NEW_HEIGHT (f);
  else
    height = FRAME_HEIGHT (f);

804 805 806 807 808 809 810 811
  /* Now process them in reverse of specified order.  */
  for (i--; i >= 0; i--)
    {
      Lisp_Object prop, val;

      prop = parms[i];
      val = values[i];

812 813 814 815
      if (EQ (prop, Qwidth) && NUMBERP (val))
	width = XFASTINT (val);
      else if (EQ (prop, Qheight) && NUMBERP (val))
	height = XFASTINT (val);
816
      else if (EQ (prop, Qtop))
817
	top = val;
818
      else if (EQ (prop, Qleft))
819
	left = val;
820 821 822 823
      else if (EQ (prop, Qicon_top))
	icon_top = val;
      else if (EQ (prop, Qicon_left))
	icon_left = val;
824 825
      else
	{
826
	  register Lisp_Object param_index, old_value;
827

828 829
	  param_index = Fget (prop, Qx_frame_parameter);
	  old_value = get_frame_param (f, prop);
830
	  store_frame_param (f, prop, val);
831 832
 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
833 834
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
835 836 837
	}
    }

838 839
  /* Don't die if just one of these was set.  */
  if (EQ (left, Qunbound))
840 841
    {
      left_no_change = 1;
842 843
      if (f->output_data.x->left_pos < 0)
	left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil));
844
      else
845
	XSETINT (left, f->output_data.x->left_pos);
846
    }
847
  if (EQ (top, Qunbound))
848 849
    {
      top_no_change = 1;
850 851
      if (f->output_data.x->top_pos < 0)
	top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil));
852
      else
853
	XSETINT (top, f->output_data.x->top_pos);
854
    }
855

856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871
  /* If one of the icon positions was not set, preserve or default it.  */
  if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left))
    {
      icon_left_no_change = 1;
      icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
      if (NILP (icon_left))
	XSETINT (icon_left, 0);
    }
  if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top))
    {
      icon_top_no_change = 1;
      icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
      if (NILP (icon_top))
	XSETINT (icon_top, 0);
    }

872
  /* Don't set these parameters unless they've been explicitly
873 874 875 876 877 878 879
     specified.  The window might be mapped or resized while we're in
     this function, and we don't want to override that unless the lisp
     code has asked for it.

     Don't set these parameters unless they actually differ from the
     window's current parameters; the window may not actually exist
     yet.  */
880 881 882
  {
    Lisp_Object frame;

883 884
    check_frame_size (f, &height, &width);

885
    XSETFRAME (frame, f);
886

887 888
    if (width != FRAME_WIDTH (f)
	|| height != FRAME_HEIGHT (f)
889
	|| FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
890
      Fset_frame_size (frame, make_number (width), make_number (height));
891 892

    if ((!NILP (left) || !NILP (top))
893
	&& ! (left_no_change && top_no_change)
894 895
	&& ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos
	      && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos))
896
      {
897 898
	int leftpos = 0;
	int toppos = 0;
899 900

	/* Record the signs.  */
901
	f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative);
902
	if (EQ (left, Qminus))
903
	  f->output_data.x->size_hint_flags |= XNegative;
904 905 906 907
	else if (INTEGERP (left))
	  {
	    leftpos = XINT (left);
	    if (leftpos < 0)
908
	      f->output_data.x->size_hint_flags |= XNegative;
909 910 911 912 913 914
	  }
	else if (CONSP (left) && EQ (XCONS (left)->car, Qminus)
		 && CONSP (XCONS (left)->cdr)
		 && INTEGERP (XCONS (XCONS (left)->cdr)->car))
	  {
	    leftpos = - XINT (XCONS (XCONS (left)->cdr)->car);
915
	    f->output_data.x->size_hint_flags |= XNegative;
916 917 918 919 920 921 922 923 924
	  }
	else if (CONSP (left) && EQ (XCONS (left)->car, Qplus)
		 && CONSP (XCONS (left)->cdr)
		 && INTEGERP (XCONS (XCONS (left)->cdr)->car))
	  {
	    leftpos = XINT (XCONS (XCONS (left)->cdr)->car);
	  }

	if (EQ (top, Qminus))
925
	  f->output_data.x->size_hint_flags |= YNegative;
926 927 928 929
	else if (INTEGERP (top))
	  {
	    toppos = XINT (top);
	    if (toppos < 0)
930
	      f->output_data.x->size_hint_flags |= YNegative;
931 932 933 934 935 936
	  }
	else if (CONSP (top) && EQ (XCONS (top)->car, Qminus)
		 && CONSP (XCONS (top)->cdr)
		 && INTEGERP (XCONS (XCONS (top)->cdr)->car))
	  {
	    toppos = - XINT (XCONS (XCONS (top)->cdr)->car);
937
	    f->output_data.x->size_hint_flags |= YNegative;
938 939 940 941 942 943 944 945 946 947
	  }
	else if (CONSP (top) && EQ (XCONS (top)->car, Qplus)
		 && CONSP (XCONS (top)->cdr)
		 && INTEGERP (XCONS (XCONS (top)->cdr)->car))
	  {
	    toppos = XINT (XCONS (XCONS (top)->cdr)->car);
	  }


	/* Store the numeric value of the position.  */
948 949
	f->output_data.x->top_pos = toppos;
	f->output_data.x->left_pos = leftpos;
950

951
	f->output_data.x->win_gravity = NorthWestGravity;
952 953

	/* Actually set that position, and convert to absolute.  */
954
	x_set_offset (f, leftpos, toppos, -1);
955
      }
956 957 958 959

    if ((!NILP (icon_left) || !NILP (icon_top))
	&& ! (icon_left_no_change && icon_top_no_change))
      x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
960
  }
961 962

  UNGCPRO;
963
}
Jim Blandy's avatar
Jim Blandy committed
964

965
/* Store the screen positions of frame F into XPTR and YPTR.
966 967 968 969 970 971 972 973
   These are the positions of the containing window manager window,
   not Emacs's own window.  */

void
x_real_positions (f, xptr, yptr)
     FRAME_PTR f;
     int *xptr, *yptr;
{
974
  int win_x, win_y;
975 976
  Window child;

977 978 979 980
  /* This is pretty gross, but seems to be the easiest way out of
     the problem that arises when restarting window-managers.  */

#ifdef USE_X_TOOLKIT
981
  Window outer = XtWindow (f->output_data.x->widget);
982
#else
983
  Window outer = f->output_data.x->window_desc;
984 985 986 987 988
#endif
  Window tmp_root_window;
  Window *tmp_children;
  int tmp_nchildren;

989
  while (1)
990
    {
991
      int count = x_catch_errors (FRAME_X_DISPLAY (f));
992
      Window outer_window;
993

994
      XQueryTree (FRAME_X_DISPLAY (f),