xfns.c 140 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Functions for the X window system.
Karl Heuer's avatar
Karl Heuer committed
2
   Copyright (C) 1989, 1992, 1993, 1994, 1995 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 18 19 20 21 22 23
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
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Completely rewritten by Richard Stallman.  */

/* Rewritten for X11 by Joseph Arceneaux */

Richard M. Stallman's avatar
Richard M. Stallman committed
24 25 26
#include <signal.h>
#include <config.h>

27 28 29
/* This makes the fields of a Display accessible, in Xlib header files.  */
#define XLIB_ILLEGAL_ACCESS

Jim Blandy's avatar
Jim Blandy committed
30 31
#include "lisp.h"
#include "xterm.h"
Jim Blandy's avatar
Jim Blandy committed
32
#include "frame.h"
Jim Blandy's avatar
Jim Blandy committed
33 34 35
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
Jim Blandy's avatar
Jim Blandy committed
36
#include "keyboard.h"
37
#include "blockinput.h"
Karl Heuer's avatar
Karl Heuer committed
38
#include <paths.h>
Jim Blandy's avatar
Jim Blandy committed
39 40 41 42

#ifdef HAVE_X_WINDOWS
extern void abort ();

43 44 45 46 47 48 49
/* On some systems, the character-composition stuff is broken in X11R5.  */
#if defined (HAVE_X11R5) && ! defined (HAVE_X11R6)
#ifdef X11R5_INHIBIT_I18N
#undef HAVE_X_I18N
#endif
#endif

50
#ifndef VMS
51
#if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work.  */
52 53
#include "bitmaps/gray.xbm"
#else
Jim Blandy's avatar
Jim Blandy committed
54
#include <X11/bitmaps/gray>
55
#endif
56 57 58
#else
#include "[.bitmaps]gray.xbm"
#endif
Jim Blandy's avatar
Jim Blandy committed
59

60 61 62
#ifdef USE_X_TOOLKIT
#include <X11/Shell.h>

63
#ifndef USE_MOTIF
64 65
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Label.h>
66
#endif /* USE_MOTIF */
67 68 69 70 71 72 73 74 75 76 77 78 79

#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"

80 81 82
/* 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)
83
#define HACK_EDITRES
84
extern void _XEditResCheckMessages ();
85 86 87
#endif /* R5 + Athena */

/* Unique id counter for widgets created by the Lucid Widget
88
   Library.  */
89 90
extern LWLIB_ID widget_id_tick;

91 92
/* This is part of a kludge--see lwlib/xlwmenu.c.  */
XFontStruct *xlwmenu_default_font;
93

94
extern void free_frame_menubar ();
95 96
#endif /* USE_X_TOOLKIT */

Jim Blandy's avatar
Jim Blandy committed
97 98 99
#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
100 101 102 103 104 105
#ifdef HAVE_X11R4
#define MAXREQUEST(dpy) (XMaxRequestSize (dpy))
#else
#define MAXREQUEST(dpy) ((dpy)->max_request_size)
#endif

106 107
/* The name we're using in resource queries.  */
Lisp_Object Vx_resource_name;
108

Jim Blandy's avatar
Jim Blandy committed
109
/* The background and shape of the mouse pointer, and shape when not
110
   over text or in the modeline.  */
Jim Blandy's avatar
Jim Blandy committed
111
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
112 113
/* The shape when over mouse-sensitive text.  */
Lisp_Object Vx_sensitive_text_pointer_shape;
Jim Blandy's avatar
Jim Blandy committed
114

115
/* Color of chars displayed in cursor box.  */
Jim Blandy's avatar
Jim Blandy committed
116 117
Lisp_Object Vx_cursor_fore_pixel;

118 119
/* Nonzero if using X.  */
static int x_in_use;
Jim Blandy's avatar
Jim Blandy committed
120

121
/* Non nil if no window manager is in use.  */
Jim Blandy's avatar
Jim Blandy committed
122 123
Lisp_Object Vx_no_window_manager;

Richard M. Stallman's avatar
Richard M. Stallman committed
124 125 126
/* Search path for bitmap files.  */
Lisp_Object Vx_bitmap_file_path;

127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164
/* 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
165
Lisp_Object Qbar;
166 167
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Jim Blandy's avatar
Jim Blandy committed
168
Lisp_Object Qbox;
169
Lisp_Object Qcursor_color;
Jim Blandy's avatar
Jim Blandy committed
170
Lisp_Object Qcursor_type;
171 172 173 174 175 176
Lisp_Object Qfont;
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
177
Lisp_Object Qicon_name;
178 179 180
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
Lisp_Object Qmouse_color;
181
Lisp_Object Qnone;
182
Lisp_Object Qparent_id;
183
Lisp_Object Qscroll_bar_width;
184
Lisp_Object Qsuppress_icon;
185
Lisp_Object Qtop;
Jim Blandy's avatar
Jim Blandy committed
186
Lisp_Object Qundefined_color;
187
Lisp_Object Qvertical_scroll_bars;
188
Lisp_Object Qvisibility;
189
Lisp_Object Qwindow_id;
Jim Blandy's avatar
Jim Blandy committed
190
Lisp_Object Qx_frame_parameter;
191
Lisp_Object Qx_resource_name;
192 193
Lisp_Object Quser_position;
Lisp_Object Quser_size;
194
Lisp_Object Qdisplay;
Jim Blandy's avatar
Jim Blandy committed
195

196
/* The below are defined in frame.c.  */
197
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
198
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate;
199

Jim Blandy's avatar
Jim Blandy committed
200 201 202
extern Lisp_Object Vwindow_system_version;


Richard M. Stallman's avatar
Richard M. Stallman committed
203
/* Error if we are not connected to X.  */
Karl Heuer's avatar
Karl Heuer committed
204
void
Richard M. Stallman's avatar
Richard M. Stallman committed
205 206
check_x ()
{
207
  if (! x_in_use)
Richard M. Stallman's avatar
Richard M. Stallman committed
208 209 210
    error ("X windows are not in use or not initialized");
}

211 212 213 214 215
/* Nonzero if using X for display.  */

int
using_x_p ()
{
216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
  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))
    error ("non-X frame used");
  return f;
238 239
}

240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
/* 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))
    {
      if (FRAME_X_P (selected_frame))
	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))
	error ("non-X frame used");
      return FRAME_X_DISPLAY_INFO (f);
    }
}

Jim Blandy's avatar
Jim Blandy committed
271 272
/* 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
273

274
/* This function can be called during GC, so use GC_xxx type test macros.  */
275

Jim Blandy's avatar
Jim Blandy committed
276
struct frame *
277 278
x_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
Jim Blandy's avatar
Jim Blandy committed
279 280
     int wdesc;
{
Jim Blandy's avatar
Jim Blandy committed
281 282
  Lisp_Object tail, frame;
  struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
283

284
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
Jim Blandy's avatar
Jim Blandy committed
285
    {
Jim Blandy's avatar
Jim Blandy committed
286
      frame = XCONS (tail)->car;
287
      if (!GC_FRAMEP (frame))
Jim Blandy's avatar
Jim Blandy committed
288
        continue;
Jim Blandy's avatar
Jim Blandy committed
289
      f = XFRAME (frame);
290
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
291
	continue;
292
#ifdef USE_X_TOOLKIT
293 294 295
      if ((f->output_data.x->edit_widget 
	   && XtWindow (f->output_data.x->edit_widget) == wdesc)
          || f->output_data.x->icon_desc == wdesc)
296 297
        return f;
#else /* not USE_X_TOOLKIT */
298
      if (FRAME_X_WINDOW (f) == wdesc
299
          || f->output_data.x->icon_desc == wdesc)
Jim Blandy's avatar
Jim Blandy committed
300
        return f;
301 302 303 304 305 306 307 308 309 310
#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 *
311 312
x_any_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
313 314 315 316
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
317
  struct x_output *x;
318

319
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
320 321
    {
      frame = XCONS (tail)->car;
322
      if (!GC_FRAMEP (frame))
323 324
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
325
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
326
	continue;
327
      x = f->output_data.x;
328 329 330 331 332 333
      /* 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.  */
334
      if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
335
	return f;
Jim Blandy's avatar
Jim Blandy committed
336 337 338
    }
  return 0;
}
339

340 341 342 343 344 345 346 347 348
/* 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;
349
  struct x_output *x;
350 351 352 353 354 355 356

  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
357
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
358
	continue;
359
      x = f->output_data.x;
360 361 362 363 364 365 366 367 368
      /* 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;
}

369 370 371 372 373 374 375 376 377
/* 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;
378
  struct x_output *x;
379 380 381 382 383 384 385

  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
386
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
387
	continue;
388
      x = f->output_data.x;
389 390 391 392 393 394 395
      /* Match if the window is this frame's menubar.  */
      if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
	return f;
    }
  return 0;
}

396 397 398 399
/* Return the frame whose principal (outermost) window is WDESC.
   If WDESC is some other (smaller) window, we return 0.  */

struct frame *
400 401
x_top_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
402 403 404 405
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
406
  struct x_output *x;
407

408
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
409 410
    {
      frame = XCONS (tail)->car;
411
      if (!GC_FRAMEP (frame))
412 413
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
414
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
415
	continue;
416
      x = f->output_data.x;
417 418 419
      /* This frame matches if the window is its topmost widget.  */
      if (wdesc == XtWindow (x->widget))
	return f;
420 421 422
#if 0 /* I don't know why it did this,
	 but it seems logically wrong,
	 and it causes trouble for MapNotify events.  */
423 424 425 426
      /* Match if the window is this frame's menubar.  */
      if (x->menubar_widget 
	  && wdesc == XtWindow (x->menubar_widget))
	return f;
427
#endif
428 429 430
    }
  return 0;
}
431
#endif /* USE_X_TOOLKIT */
Jim Blandy's avatar
Jim Blandy committed
432

433 434 435 436 437 438 439 440 441 442 443


/* 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
444
   data more than once will not be caught.  */
445 446


Richard M. Stallman's avatar
Richard M. Stallman committed
447 448 449 450 451 452 453
/* Functions to access the contents of a bitmap, given an id.  */

int
x_bitmap_height (f, id)
     FRAME_PTR f;
     int id;
{
454
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height;
Richard M. Stallman's avatar
Richard M. Stallman committed
455 456 457 458 459 460 461
}

int
x_bitmap_width (f, id)
     FRAME_PTR f;
     int id;
{
462
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width;
Richard M. Stallman's avatar
Richard M. Stallman committed
463 464 465 466 467 468 469
}

int
x_bitmap_pixmap (f, id)
     FRAME_PTR f;
     int id;
{
470
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
Richard M. Stallman's avatar
Richard M. Stallman committed
471 472 473
}


474 475 476
/* Allocate a new bitmap record.  Returns index of new record.  */

static int
477 478
x_allocate_bitmap_record (f)
     FRAME_PTR f;
479
{
480 481 482 483
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
  int i;

  if (dpyinfo->bitmaps == NULL)
484
    {
485 486 487 488
      dpyinfo->bitmaps_size = 10;
      dpyinfo->bitmaps
	= (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record));
      dpyinfo->bitmaps_last = 1;
489 490 491
      return 1;
    }

492 493
  if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
    return ++dpyinfo->bitmaps_last;
494

495 496 497
  for (i = 0; i < dpyinfo->bitmaps_size; ++i)
    if (dpyinfo->bitmaps[i].refcount == 0)
      return i + 1;
498

499 500 501 502 503
  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;
504 505 506 507 508
}

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

void
Richard M. Stallman's avatar
Richard M. Stallman committed
509 510
x_reference_bitmap (f, id)
     FRAME_PTR f;
511 512
     int id;
{
513
  ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
514 515 516 517 518 519 520 521 522 523
}

/* 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;
{
524
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
525 526 527
  Pixmap bitmap;
  int id;

528
  bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
529 530 531 532 533
				  bits, width, height);

  if (! bitmap)
    return -1;

534 535 536 537 538 539 540
  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;
541 542 543 544 545 546 547 548 549

  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
550
     Lisp_Object file;
551
{
552
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
553 554 555
  unsigned int width, height;
  Pixmap bitmap;
  int xhot, yhot, result, id;
Richard M. Stallman's avatar
Richard M. Stallman committed
556 557 558
  Lisp_Object found;
  int fd;
  char *filename;
559 560

  /* Look for an existing bitmap with the same name.  */
561
  for (id = 0; id < dpyinfo->bitmaps_last; ++id)
562
    {
563 564 565
      if (dpyinfo->bitmaps[id].refcount
	  && dpyinfo->bitmaps[id].file
	  && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data))
566
	{
567
	  ++dpyinfo->bitmaps[id].refcount;
568 569 570 571
	  return id + 1;
	}
    }

Richard M. Stallman's avatar
Richard M. Stallman committed
572 573 574 575 576 577 578 579
  /* Search bitmap-file-path for the file, if appropriate.  */
  fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
  if (fd < 0)
    return -1;
  close (fd);

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

580
  result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
Richard M. Stallman's avatar
Richard M. Stallman committed
581
			    filename, &width, &height, &bitmap, &xhot, &yhot);
582 583 584
  if (result != BitmapSuccess)
    return -1;

585 586 587 588 589 590 591 592
  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].refcount = 1;
  dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1);
  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);
593 594 595 596 597 598 599

  return id;
}

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

int
Richard M. Stallman's avatar
Richard M. Stallman committed
600 601
x_destroy_bitmap (f, id)
     FRAME_PTR f;
602 603
     int id;
{
604 605
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);

606 607
  if (id > 0)
    {
608 609
      --dpyinfo->bitmaps[id - 1].refcount;
      if (dpyinfo->bitmaps[id - 1].refcount == 0)
610
	{
611
	  BLOCK_INPUT;
612 613
	  XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap);
	  if (dpyinfo->bitmaps[id - 1].file)
614
	    {
615 616
	      free (dpyinfo->bitmaps[id - 1].file);
	      dpyinfo->bitmaps[id - 1].file = NULL;
617
	    }
618
	  UNBLOCK_INPUT;
619 620 621 622
	}
    }
}

623
/* Free all the bitmaps for the display specified by DPYINFO.  */
624

625 626 627
static void
x_destroy_all_bitmaps (dpyinfo)
     struct x_display_info *dpyinfo;
628
{
629 630 631 632 633 634 635 636 637
  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;
638
}
Jim Blandy's avatar
Jim Blandy committed
639

Jim Blandy's avatar
Jim Blandy committed
640
/* Connect the frame-parameter names for X frames
Jim Blandy's avatar
Jim Blandy committed
641 642 643
   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
644 645
   has an `x-frame-parameter' property which is an integer in Lisp
   but can be interpreted as an `enum x_frame_parm' in C.  */
Jim Blandy's avatar
Jim Blandy committed
646

Jim Blandy's avatar
Jim Blandy committed
647
enum x_frame_parm
Jim Blandy's avatar
Jim Blandy committed
648 649 650 651 652 653 654 655 656 657 658 659 660
{
  X_PARM_FOREGROUND_COLOR,
  X_PARM_BACKGROUND_COLOR,
  X_PARM_MOUSE_COLOR,
  X_PARM_CURSOR_COLOR,
  X_PARM_BORDER_COLOR,
  X_PARM_ICON_TYPE,
  X_PARM_FONT,
  X_PARM_BORDER_WIDTH,
  X_PARM_INTERNAL_BORDER_WIDTH,
  X_PARM_NAME,
  X_PARM_AUTORAISE,
  X_PARM_AUTOLOWER,
661
  X_PARM_VERT_SCROLL_BAR,
662 663
  X_PARM_VISIBILITY,
  X_PARM_MENU_BAR_LINES
Jim Blandy's avatar
Jim Blandy committed
664 665 666
};


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_unsplittable ();
Jim Blandy's avatar
Jim Blandy committed
692

Jim Blandy's avatar
Jim Blandy committed
693
static struct x_frame_parm_table x_frame_parms[] =
Jim Blandy's avatar
Jim Blandy committed
694 695 696 697 698 699
{
  "foreground-color", x_set_foreground_color,
  "background-color", x_set_background_color,
  "mouse-color", x_set_mouse_color,
  "cursor-color", x_set_cursor_color,
  "border-color", x_set_border_color,
Jim Blandy's avatar
Jim Blandy committed
700
  "cursor-type", x_set_cursor_type,
Jim Blandy's avatar
Jim Blandy committed
701
  "icon-type", x_set_icon_type,
Karl Heuer's avatar
Karl Heuer committed
702
  "icon-name", x_set_icon_name,
Jim Blandy's avatar
Jim Blandy committed
703 704 705
  "font", x_set_font,
  "border-width", x_set_border_width,
  "internal-border-width", x_set_internal_border_width,
706
  "name", x_explicitly_set_name,
707 708
  "auto-raise", x_set_autoraise,
  "auto-lower", x_set_autolower,
709
  "vertical-scroll-bars", x_set_vertical_scroll_bars,
710 711
  "visibility", x_set_visibility,
  "menu-bar-lines", x_set_menu_bar_lines,
712
  "scroll-bar-width", x_set_scroll_bar_width,
713
  "unsplittable", x_set_unsplittable,
Jim Blandy's avatar
Jim Blandy committed
714 715
};

Jim Blandy's avatar
Jim Blandy committed
716
/* Attach the `x-frame-parameter' properties to
Jim Blandy's avatar
Jim Blandy committed
717 718 719 720 721 722
   the Lisp symbol names of parameters relevant to X.  */

init_x_parm_symbols ()
{
  int i;

723
  for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
Jim Blandy's avatar
Jim Blandy committed
724
    Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
Jim Blandy's avatar
Jim Blandy committed
725 726 727
	  make_number (i));
}

728 729 730
/* Change the parameters of FRAME as specified by ALIST.
   If a parameter is not specially recognized, do nothing;
   otherwise call the `x_set_...' function for that parameter.  */
731

732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
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.  */
  Lisp_Object width, height;

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

747 748 749
  /* Same with these.  */
  Lisp_Object icon_left, icon_top;

750 751 752 753
  /* Record in these vectors all the parms specified.  */
  Lisp_Object *parms;
  Lisp_Object *values;
  int i;
754
  int left_no_change = 0, top_no_change = 0;
755
  int icon_left_no_change = 0, icon_top_no_change = 0;
756

757 758 759 760 761 762
  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));
763

764 765 766
  /* Extract parm names and values into those vectors.  */

  i = 0;
767 768 769 770 771
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    {
      Lisp_Object elt, prop, val;

      elt = Fcar (tail);
772 773 774 775 776
      parms[i] = Fcar (elt);
      values[i] = Fcdr (elt);
      i++;
    }

777
  width = height = top = left = Qunbound;
778
  icon_left = icon_top = Qunbound;
779

780 781 782 783 784 785 786 787 788
  /* Now process them in reverse of specified order.  */
  for (i--; i >= 0; i--)
    {
      Lisp_Object prop, val;

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

      if (EQ (prop, Qwidth))
789
	width = val;
790
      else if (EQ (prop, Qheight))
791
	height = val;
792
      else if (EQ (prop, Qtop))
793
	top = val;
794
      else if (EQ (prop, Qleft))
795
	left = val;
796 797 798 799
      else if (EQ (prop, Qicon_top))
	icon_top = val;
      else if (EQ (prop, Qicon_left))
	icon_left = val;
800 801
      else
	{
802
	  register Lisp_Object param_index, old_value;
803

804 805
	  param_index = Fget (prop, Qx_frame_parameter);
	  old_value = get_frame_param (f, prop);
806
	  store_frame_param (f, prop, val);
807 808
 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
809 810
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
811 812 813
	}
    }

814 815
  /* Don't die if just one of these was set.  */
  if (EQ (left, Qunbound))
816 817
    {
      left_no_change = 1;
818 819
      if (f->output_data.x->left_pos < 0)
	left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil));
820
      else
821
	XSETINT (left, f->output_data.x->left_pos);
822
    }
823
  if (EQ (top, Qunbound))
824 825
    {
      top_no_change = 1;
826 827
      if (f->output_data.x->top_pos < 0)
	top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil));
828
      else
829
	XSETINT (top, f->output_data.x->top_pos);
830
    }
831

832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847
  /* 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);
    }

848 849
  /* Don't die if just one of these was set.  */
  if (EQ (width, Qunbound))
850
    XSETINT (width, FRAME_WIDTH (f));
851
  if (EQ (height, Qunbound))
852
    XSETINT (height, FRAME_HEIGHT (f));
853

854
  /* Don't set these parameters unless they've been explicitly
855 856 857 858 859 860 861
     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.  */
862 863 864
  {
    Lisp_Object frame;

865 866
    check_frame_size (f, &height, &width);

867
    XSETFRAME (frame, f);
868

869 870
    if ((NUMBERP (width) && XINT (width) != FRAME_WIDTH (f))
	|| (NUMBERP (height) && XINT (height) != FRAME_HEIGHT (f)))
871
      Fset_frame_size (frame, width, height);
872 873

    if ((!NILP (left) || !NILP (top))
874
	&& ! (left_no_change && top_no_change)
875 876
	&& ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos
	      && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos))
877
      {
878 879
	int leftpos = 0;
	int toppos = 0;
880 881

	/* Record the signs.  */
882
	f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative);
883
	if (EQ (left, Qminus))
884
	  f->output_data.x->size_hint_flags |= XNegative;
885 886 887 888
	else if (INTEGERP (left))
	  {
	    leftpos = XINT (left);
	    if (leftpos < 0)
889
	      f->output_data.x->size_hint_flags |= XNegative;
890 891 892 893 894 895
	  }
	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);
896
	    f->output_data.x->size_hint_flags |= XNegative;
897 898 899 900 901 902 903 904 905
	  }
	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))
906
	  f->output_data.x->size_hint_flags |= YNegative;
907 908 909 910
	else if (INTEGERP (top))
	  {
	    toppos = XINT (top);
	    if (toppos < 0)
911
	      f->output_data.x->size_hint_flags |= YNegative;
912 913 914 915 916 917
	  }
	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);
918
	    f->output_data.x->size_hint_flags |= YNegative;
919 920 921 922 923 924 925 926 927 928
	  }
	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.  */
929 930
	f->output_data.x->top_pos = toppos;
	f->output_data.x->left_pos = leftpos;
931

932
	f->output_data.x->win_gravity = NorthWestGravity;
933 934

	/* Actually set that position, and convert to absolute.  */
935
	x_set_offset (f, leftpos, toppos, -1);
936
      }
937 938 939 940

    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));
941 942
  }
}
Jim Blandy's avatar
Jim Blandy committed
943

944
/* Store the screen positions of frame F into XPTR and YPTR.
945 946 947 948 949 950 951 952
   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;
{
953
  int win_x, win_y;
954 955
  Window child;

956 957 958 959
  /* 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
960
  Window outer = XtWindow (f->output_data.x->widget);
961
#else
962
  Window outer = f->output_data.x->window_desc;
963 964 965 966 967
#endif
  Window tmp_root_window;
  Window *tmp_children;
  int tmp_nchildren;