xfns.c 282 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Functions for the X window system.
2 3
   Copyright (C) 1989, 92, 93, 94, 95, 96, 1997, 1998, 1999
     Free Software Foundation.
Jim Blandy's avatar
Jim Blandy committed
4 5 6 7 8

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
9
the Free Software Foundation; either version 2, or (at your option)
Jim Blandy's avatar
Jim Blandy committed
10 11 12 13 14 15 16 17 18
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
19 20
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
Jim Blandy's avatar
Jim Blandy committed
21

22
/* Image support (XBM, XPM, PBM, JPEG, TIFF, GIF, PNG, GS). tooltips,
23
   tool-bars, busy-cursor, file selection dialog added by Gerd
24 25
   Moellmann <gerd@gnu.org>.  */

Jim Blandy's avatar
Jim Blandy committed
26 27 28 29
/* Completely rewritten by Richard Stallman.  */

/* Rewritten for X11 by Joseph Arceneaux */

Richard M. Stallman's avatar
Richard M. Stallman committed
30 31
#include <signal.h>
#include <config.h>
32
#include <stdio.h>
33
#include <math.h>
Richard M. Stallman's avatar
Richard M. Stallman committed
34

35
/* This makes the fields of a Display accessible, in Xlib header files.  */
36

37 38
#define XLIB_ILLEGAL_ACCESS

Jim Blandy's avatar
Jim Blandy committed
39 40
#include "lisp.h"
#include "xterm.h"
Jim Blandy's avatar
Jim Blandy committed
41
#include "frame.h"
Jim Blandy's avatar
Jim Blandy committed
42 43 44
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
Jim Blandy's avatar
Jim Blandy committed
45
#include "keyboard.h"
46
#include "blockinput.h"
47
#include <epaths.h>
Karl Heuer's avatar
Karl Heuer committed
48 49
#include "charset.h"
#include "fontset.h"
50 51
#include "systime.h"
#include "termhooks.h"
Jim Blandy's avatar
Jim Blandy committed
52 53

#ifdef HAVE_X_WINDOWS
54 55 56 57

#ifdef STDC_HEADERS
#include <stdlib.h>
#else
Jim Blandy's avatar
Jim Blandy committed
58
extern void abort ();
59 60
#endif
#include <ctype.h>
Jim Blandy's avatar
Jim Blandy committed
61

62
/* On some systems, the character-composition stuff is broken in X11R5.  */
63

64 65
#if defined (HAVE_X11R5) && ! defined (HAVE_X11R6)
#ifdef X11R5_INHIBIT_I18N
66
#define X_I18N_INHIBITED
67 68 69
#endif
#endif

70
#ifndef VMS
71
#if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work.  */
72 73
#include "bitmaps/gray.xbm"
#else
Jim Blandy's avatar
Jim Blandy committed
74
#include <X11/bitmaps/gray>
75
#endif
76 77 78
#else
#include "[.bitmaps]gray.xbm"
#endif
Jim Blandy's avatar
Jim Blandy committed
79

80 81 82
#ifdef USE_X_TOOLKIT
#include <X11/Shell.h>

83
#ifndef USE_MOTIF
84 85
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Label.h>
86
#endif /* USE_MOTIF */
87 88 89 90 91 92 93 94 95 96 97 98 99

#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"

100 101 102 103 104 105
#ifdef USE_MOTIF
#include <Xm/Xm.h>
#include <Xm/DialogS.h>
#include <Xm/FileSB.h>
#endif

106 107
/* Do the EDITRES protocol if running X11R5
   Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */
108

109
#if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES)
110
#define HACK_EDITRES
111
extern void _XEditResCheckMessages ();
112 113
#endif /* R5 + Athena */

114 115
/* Unique id counter for widgets created by the Lucid Widget Library.  */

116 117
extern LWLIB_ID widget_id_tick;

118
#ifdef USE_LUCID
119
/* This is part of a kludge--see lwlib/xlwmenu.c.  */
120
extern XFontStruct *xlwmenu_default_font;
121
#endif
122

123
extern void free_frame_menubar ();
124
extern double atof ();
125

126 127
#endif /* USE_X_TOOLKIT */

Jim Blandy's avatar
Jim Blandy committed
128 129 130
#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
131 132 133 134 135 136
#ifdef HAVE_X11R4
#define MAXREQUEST(dpy) (XMaxRequestSize (dpy))
#else
#define MAXREQUEST(dpy) ((dpy)->max_request_size)
#endif

137 138 139 140 141 142 143 144
/* The gray bitmap `bitmaps/gray'.  This is done because xterm.c uses
   it, and including `bitmaps/gray' more than once is a problem when
   config.h defines `static' as an empty replacement string.  */

int gray_bitmap_width = gray_width;
int gray_bitmap_height = gray_height;
unsigned char *gray_bitmap_bits = gray_bits;

145
/* The name we're using in resource queries.  Most often "emacs".  */
146

147
Lisp_Object Vx_resource_name;
148

149 150
/* The application class we're using in resource queries.
   Normally "Emacs".  */
151

152 153
Lisp_Object Vx_resource_class;

154 155 156 157
/* Non-zero means we're allowed to display a busy cursor.  */

int display_busy_cursor_p;

Jim Blandy's avatar
Jim Blandy committed
158
/* The background and shape of the mouse pointer, and shape when not
159
   over text or in the modeline.  */
160

Jim Blandy's avatar
Jim Blandy committed
161
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
162 163
Lisp_Object Vx_busy_pointer_shape;

164
/* The shape when over mouse-sensitive text.  */
165

166
Lisp_Object Vx_sensitive_text_pointer_shape;
Jim Blandy's avatar
Jim Blandy committed
167

168
/* Color of chars displayed in cursor box.  */
169

Jim Blandy's avatar
Jim Blandy committed
170 171
Lisp_Object Vx_cursor_fore_pixel;

172
/* Nonzero if using X.  */
173

174
static int x_in_use;
Jim Blandy's avatar
Jim Blandy committed
175

176
/* Non nil if no window manager is in use.  */
177

Jim Blandy's avatar
Jim Blandy committed
178 179
Lisp_Object Vx_no_window_manager;

Richard M. Stallman's avatar
Richard M. Stallman committed
180
/* Search path for bitmap files.  */
181

Richard M. Stallman's avatar
Richard M. Stallman committed
182 183
Lisp_Object Vx_bitmap_file_path;

Karl Heuer's avatar
Karl Heuer committed
184
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
185

Karl Heuer's avatar
Karl Heuer committed
186 187
Lisp_Object Vx_pixel_size_width_font_regexp;

188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
/* 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;
Jim Blandy's avatar
Jim Blandy committed
225
Lisp_Object Qbar;
226 227
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Jim Blandy's avatar
Jim Blandy committed
228
Lisp_Object Qbox;
229
Lisp_Object Qcursor_color;
Jim Blandy's avatar
Jim Blandy committed
230
Lisp_Object Qcursor_type;
231 232 233 234
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object Qicon_type;
Karl Heuer's avatar
Karl Heuer committed
235
Lisp_Object Qicon_name;
236 237
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
238
Lisp_Object Qright;
239
Lisp_Object Qmouse_color;
240
Lisp_Object Qnone;
241
Lisp_Object Qouter_window_id;
242
Lisp_Object Qparent_id;
243
Lisp_Object Qscroll_bar_width;
244
Lisp_Object Qsuppress_icon;
245
extern Lisp_Object Qtop;
Jim Blandy's avatar
Jim Blandy committed
246
Lisp_Object Qundefined_color;
247
Lisp_Object Qvertical_scroll_bars;
248
Lisp_Object Qvisibility;
249
Lisp_Object Qwindow_id;
Jim Blandy's avatar
Jim Blandy committed
250
Lisp_Object Qx_frame_parameter;
251
Lisp_Object Qx_resource_name;
252 253
Lisp_Object Quser_position;
Lisp_Object Quser_size;
254
Lisp_Object Qdisplay;
255
Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
256
Lisp_Object Qscreen_gamma;
Jim Blandy's avatar
Jim Blandy committed
257

258
/* The below are defined in frame.c.  */
259

260
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
Richard M. Stallman's avatar
Richard M. Stallman committed
261
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
262
extern Lisp_Object Qtool_bar_lines;
263

Jim Blandy's avatar
Jim Blandy committed
264 265
extern Lisp_Object Vwindow_system_version;

266
Lisp_Object Qface_set_after_frame_default;
267

Jim Blandy's avatar
Jim Blandy committed
268

Richard M. Stallman's avatar
Richard M. Stallman committed
269
/* Error if we are not connected to X.  */
270

Karl Heuer's avatar
Karl Heuer committed
271
void
Richard M. Stallman's avatar
Richard M. Stallman committed
272 273
check_x ()
{
274
  if (! x_in_use)
Richard M. Stallman's avatar
Richard M. Stallman committed
275 276 277
    error ("X windows are not in use or not initialized");
}

278 279
/* Nonzero if we can use mouse menus.
   You should not call this unless HAVE_MENUS is defined.  */
280 281

int
282
have_menus_p ()
283
{
284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
  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))
304
    error ("Non-X frame used");
305
  return f;
306 307
}

308 309 310 311 312 313 314 315 316 317
/* 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))
    {
318 319
      if (FRAME_X_P (selected_frame)
	  && FRAME_LIVE_P (selected_frame))
320 321 322 323 324 325 326 327 328 329 330 331 332 333 334
	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))
335
	error ("Non-X frame used");
336 337 338
      return FRAME_X_DISPLAY_INFO (f);
    }
}
339

340

Jim Blandy's avatar
Jim Blandy committed
341 342
/* 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
343

344
/* This function can be called during GC, so use GC_xxx type test macros.  */
345

Jim Blandy's avatar
Jim Blandy committed
346
struct frame *
347 348
x_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
Jim Blandy's avatar
Jim Blandy committed
349 350
     int wdesc;
{
Jim Blandy's avatar
Jim Blandy committed
351 352
  Lisp_Object tail, frame;
  struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
353

354
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
Jim Blandy's avatar
Jim Blandy committed
355
    {
Jim Blandy's avatar
Jim Blandy committed
356
      frame = XCONS (tail)->car;
357
      if (!GC_FRAMEP (frame))
Jim Blandy's avatar
Jim Blandy committed
358
        continue;
Jim Blandy's avatar
Jim Blandy committed
359
      f = XFRAME (frame);
360
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
361
	continue;
362
#ifdef USE_X_TOOLKIT
363 364
      if ((f->output_data.x->edit_widget 
	   && XtWindow (f->output_data.x->edit_widget) == wdesc)
365 366 367
	  /* A tooltip frame?  */
	  || (!f->output_data.x->edit_widget
	      && FRAME_X_WINDOW (f) == wdesc)
368
          || f->output_data.x->icon_desc == wdesc)
369 370
        return f;
#else /* not USE_X_TOOLKIT */
371
      if (FRAME_X_WINDOW (f) == wdesc
372
          || f->output_data.x->icon_desc == wdesc)
Jim Blandy's avatar
Jim Blandy committed
373
        return f;
374 375 376 377 378 379 380 381 382 383
#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 *
384 385
x_any_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
386 387 388 389
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
390
  struct x_output *x;
391

392
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
393 394
    {
      frame = XCONS (tail)->car;
395
      if (!GC_FRAMEP (frame))
396 397
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
398
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
399
	continue;
400
      x = f->output_data.x;
401
      /* This frame matches if the window is any of its widgets.  */
402 403 404 405 406 407 408 409 410 411 412 413
      if (x->widget)
	{
	  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.  */
	  if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
	    return f;
	}
      else if (FRAME_X_WINDOW (f) == wdesc)
	/* A tooltip frame.  */
414
	return f;
Jim Blandy's avatar
Jim Blandy committed
415 416 417
    }
  return 0;
}
418

419 420 421 422 423 424 425 426 427
/* 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;
428
  struct x_output *x;
429 430 431 432 433 434 435

  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
436
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
437
	continue;
438
      x = f->output_data.x;
439
      /* This frame matches if the window is any of its widgets.  */
440 441 442 443 444 445 446 447 448
      if (x->widget)
	{
	  if (wdesc == XtWindow (x->widget) 
	      || wdesc == XtWindow (x->column_widget) 
	      || wdesc == XtWindow (x->edit_widget))
	    return f;
	}
      else if (FRAME_X_WINDOW (f) == wdesc)
	/* A tooltip frame.  */
449 450 451 452 453
	return f;
    }
  return 0;
}

454 455 456 457 458 459 460 461 462
/* 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;
463
  struct x_output *x;
464 465 466 467 468 469 470

  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
471
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
472
	continue;
473
      x = f->output_data.x;
474
      /* Match if the window is this frame's menubar.  */
475 476
      if (x->menubar_widget
	  && lw_window_is_in_menubar (wdesc, x->menubar_widget))
477 478 479 480 481
	return f;
    }
  return 0;
}

482 483 484 485
/* Return the frame whose principal (outermost) window is WDESC.
   If WDESC is some other (smaller) window, we return 0.  */

struct frame *
486 487
x_top_window_to_frame (dpyinfo, wdesc)
     struct x_display_info *dpyinfo;
488 489 490 491
     int wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;
492
  struct x_output *x;
493

494
  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
495 496
    {
      frame = XCONS (tail)->car;
497
      if (!GC_FRAMEP (frame))
498 499
        continue;
      f = XFRAME (frame);
Karl Heuer's avatar
Karl Heuer committed
500
      if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
501
	continue;
502
      x = f->output_data.x;
503 504 505 506 507 508

      if (x->widget)
	{
	  /* This frame matches if the window is its topmost widget.  */
	  if (wdesc == XtWindow (x->widget))
	    return f;
509 510 511
#if 0 /* I don't know why it did this,
	 but it seems logically wrong,
	 and it causes trouble for MapNotify events.  */
512 513 514 515
	  /* Match if the window is this frame's menubar.  */
	  if (x->menubar_widget 
	      && wdesc == XtWindow (x->menubar_widget))
	    return f;
516
#endif
517 518 519 520
	}
      else if (FRAME_X_WINDOW (f) == wdesc)
	/* Tooltip frame.  */
	return f;
521 522 523
    }
  return 0;
}
524
#endif /* USE_X_TOOLKIT */
Jim Blandy's avatar
Jim Blandy committed
525

526 527 528 529 530 531 532 533 534 535 536


/* 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
537
   data more than once will not be caught.  */
538 539


Richard M. Stallman's avatar
Richard M. Stallman committed
540 541 542 543 544 545 546
/* Functions to access the contents of a bitmap, given an id.  */

int
x_bitmap_height (f, id)
     FRAME_PTR f;
     int id;
{
547
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height;
Richard M. Stallman's avatar
Richard M. Stallman committed
548 549 550 551 552 553 554
}

int
x_bitmap_width (f, id)
     FRAME_PTR f;
     int id;
{
555
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width;
Richard M. Stallman's avatar
Richard M. Stallman committed
556 557 558 559 560 561 562
}

int
x_bitmap_pixmap (f, id)
     FRAME_PTR f;
     int id;
{
563
  return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
Richard M. Stallman's avatar
Richard M. Stallman committed
564 565 566
}


567 568 569
/* Allocate a new bitmap record.  Returns index of new record.  */

static int
570 571
x_allocate_bitmap_record (f)
     FRAME_PTR f;
572
{
573 574 575 576
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
  int i;

  if (dpyinfo->bitmaps == NULL)
577
    {
578 579 580 581
      dpyinfo->bitmaps_size = 10;
      dpyinfo->bitmaps
	= (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record));
      dpyinfo->bitmaps_last = 1;
582 583 584
      return 1;
    }

585 586
  if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
    return ++dpyinfo->bitmaps_last;
587

588 589 590
  for (i = 0; i < dpyinfo->bitmaps_size; ++i)
    if (dpyinfo->bitmaps[i].refcount == 0)
      return i + 1;
591

592 593 594 595 596
  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;
597 598 599 600 601
}

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

void
Richard M. Stallman's avatar
Richard M. Stallman committed
602 603
x_reference_bitmap (f, id)
     FRAME_PTR f;
604 605
     int id;
{
606
  ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
607 608 609 610 611 612 613 614 615 616
}

/* 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;
{
617
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
618 619 620
  Pixmap bitmap;
  int id;

621
  bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
622 623 624 625 626
				  bits, width, height);

  if (! bitmap)
    return -1;

627 628 629 630 631 632 633
  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;
634 635 636 637 638 639 640 641 642

  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
643
     Lisp_Object file;
644
{
645
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
646 647 648
  unsigned int width, height;
  Pixmap bitmap;
  int xhot, yhot, result, id;
Richard M. Stallman's avatar
Richard M. Stallman committed
649 650 651
  Lisp_Object found;
  int fd;
  char *filename;
652 653

  /* Look for an existing bitmap with the same name.  */
654
  for (id = 0; id < dpyinfo->bitmaps_last; ++id)
655
    {
656 657 658
      if (dpyinfo->bitmaps[id].refcount
	  && dpyinfo->bitmaps[id].file
	  && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data))
659
	{
660
	  ++dpyinfo->bitmaps[id].refcount;
661 662 663 664
	  return id + 1;
	}
    }

Richard M. Stallman's avatar
Richard M. Stallman committed
665 666 667 668
  /* Search bitmap-file-path for the file, if appropriate.  */
  fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
  if (fd < 0)
    return -1;
669 670 671
  /* XReadBitmapFile won't handle magic file names.  */
  if (fd == 0)
    return -1;
Richard M. Stallman's avatar
Richard M. Stallman committed
672 673 674 675
  close (fd);

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

676
  result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
Richard M. Stallman's avatar
Richard M. Stallman committed
677
			    filename, &width, &height, &bitmap, &xhot, &yhot);
678 679 680
  if (result != BitmapSuccess)
    return -1;

681 682 683
  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].refcount = 1;
684
  dpyinfo->bitmaps[id - 1].file
685
    = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1);
686 687 688 689
  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);
690 691 692 693 694 695

  return id;
}

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

696
void
Richard M. Stallman's avatar
Richard M. Stallman committed
697 698
x_destroy_bitmap (f, id)
     FRAME_PTR f;
699 700
     int id;
{
701 702
  struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);

703 704
  if (id > 0)
    {
705 706
      --dpyinfo->bitmaps[id - 1].refcount;
      if (dpyinfo->bitmaps[id - 1].refcount == 0)
707
	{
708
	  BLOCK_INPUT;
709 710
	  XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap);
	  if (dpyinfo->bitmaps[id - 1].file)
711
	    {
712
	      xfree (dpyinfo->bitmaps[id - 1].file);
713
	      dpyinfo->bitmaps[id - 1].file = NULL;
714
	    }
715
	  UNBLOCK_INPUT;
716 717 718 719
	}
    }
}

720
/* Free all the bitmaps for the display specified by DPYINFO.  */
721

722 723 724
static void
x_destroy_all_bitmaps (dpyinfo)
     struct x_display_info *dpyinfo;
725
{
726 727 728 729 730 731
  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)
732
	  xfree (dpyinfo->bitmaps[i].file);
733 734
      }
  dpyinfo->bitmaps_last = 0;
735
}
Jim Blandy's avatar
Jim Blandy committed
736

Jim Blandy's avatar
Jim Blandy committed
737
/* Connect the frame-parameter names for X frames
Jim Blandy's avatar
Jim Blandy committed
738 739 740
   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
741
   has an `x-frame-parameter' property which is an integer in Lisp
742
   that is an index in this table.  */
Jim Blandy's avatar
Jim Blandy committed
743

Jim Blandy's avatar
Jim Blandy committed
744
struct x_frame_parm_table
Jim Blandy's avatar
Jim Blandy committed
745 746
{
  char *name;
747
  void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object));
Jim Blandy's avatar
Jim Blandy committed
748 749
};

750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771
void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
				      Lisp_Object));
void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
				     Lisp_Object));
void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
772
void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
773 774 775 776 777 778 779 780 781
void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object,
				      Lisp_Object));
void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object,
				      Lisp_Object));
static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *,
							     Lisp_Object,
							     Lisp_Object,
							     char *, char *,
							     int));
782
static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
Jim Blandy's avatar
Jim Blandy committed
783

Jim Blandy's avatar
Jim Blandy committed
784
static struct x_frame_parm_table x_frame_parms[] =
Jim Blandy's avatar
Jim Blandy committed
785
{
786 787
  "auto-raise", x_set_autoraise,
  "auto-lower", x_set_autolower,
Jim Blandy's avatar
Jim Blandy committed
788 789
  "background-color", x_set_background_color,
  "border-color", x_set_border_color,
790 791
  "border-width", x_set_border_width,
  "cursor-color", x_set_cursor_color,
Jim Blandy's avatar
Jim Blandy committed
792
  "cursor-type", x_set_cursor_type,
Jim Blandy's avatar
Jim Blandy committed
793
  "font", x_set_font,
794 795 796
  "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
797
  "internal-border-width", x_set_internal_border_width,
798
  "menu-bar-lines", x_set_menu_bar_lines,
799 800
  "mouse-color", x_set_mouse_color,
  "name", x_explicitly_set_name,
801
  "scroll-bar-width", x_set_scroll_bar_width,
802
  "title", x_set_title,
803
  "unsplittable", x_set_unsplittable,
804 805
  "vertical-scroll-bars", x_set_vertical_scroll_bars,
  "visibility", x_set_visibility,
806
  "tool-bar-lines", x_set_tool_bar_lines,
807 808
  "scroll-bar-foreground", x_set_scroll_bar_foreground,
  "scroll-bar-background", x_set_scroll_bar_background,
809
  "screen-gamma", x_set_screen_gamma
Jim Blandy's avatar
Jim Blandy committed
810 811
};

Jim Blandy's avatar
Jim Blandy committed
812
/* Attach the `x-frame-parameter' properties to
Jim Blandy's avatar
Jim Blandy committed
813 814
   the Lisp symbol names of parameters relevant to X.  */

Andreas Schwab's avatar
Andreas Schwab committed
815
void
Jim Blandy's avatar
Jim Blandy committed
816 817 818 819
init_x_parm_symbols ()
{
  int i;

820
  for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
Jim Blandy's avatar
Jim Blandy committed
821
    Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
Jim Blandy's avatar
Jim Blandy committed
822 823 824
	  make_number (i));
}

825
/* Change the parameters of frame F as specified by ALIST.
826 827
   If a parameter is not specially recognized, do nothing;
   otherwise call the `x_set_...' function for that parameter.  */
828

829 830 831 832 833 834 835 836 837 838
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.  */
839
  int width, height;
840 841 842 843

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

844 845 846
  /* Same with these.  */
  Lisp_Object icon_left, icon_top;

847 848 849
  /* Record in these vectors all the parms specified.  */
  Lisp_Object *parms;
  Lisp_Object *values;
850
  int i, p;
851
  int left_no_change = 0, top_no_change = 0;
852
  int icon_left_no_change = 0, icon_top_no_change = 0;
853

854 855
  struct gcpro gcpro1, gcpro2;

856 857 858 859 860 861
  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));
862

863 864 865
  /* Extract parm names and values into those vectors.  */

  i = 0;
866 867
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    {
868
      Lisp_Object elt;
869 870

      elt = Fcar (tail);
871 872 873 874
      parms[i] = Fcar (elt);
      values[i] = Fcdr (elt);
      i++;
    }
875 876 877 878 879 880
  /* TAIL and ALIST are not used again below here.  */
  alist = tail = Qnil;

  GCPRO2 (*parms, *values);
  gcpro1.nvars = i;
  gcpro2.nvars = i;
881

882 883
  /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
     because their values appear in VALUES and strings are not valid.  */
884
  top = left = Qunbound;
885
  icon_left = icon_top = Qunbound;
886

887 888 889 890 891 892 893 894 895 896 897
  /* 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);

898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920
  /* Process foreground_color and background_color before anything else.
     They are independent of other properties, but other properties (e.g.,
     cursor_color) are dependent upon them.  */
  for (p = 0; p < i; p++) 
    {
      Lisp_Object prop, val;

      prop = parms[p];
      val = values[p];
      if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
	{
	  register Lisp_Object param_index, old_value;

	  param_index = Fget (prop, Qx_frame_parameter);
	  old_value = get_frame_param (f, prop);
	  store_frame_param (f, prop, val);
 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
	}
    }

921 922 923 924 925 926 927 928
  /* Now process them in reverse of specified order.  */
  for (i--; i >= 0; i--)
    {
      Lisp_Object prop, val;

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

929 930 931 932
      if (EQ (prop, Qwidth) && NUMBERP (val))
	width = XFASTINT (val);
      else if (EQ (prop, Qheight) && NUMBERP (val))
	height = XFASTINT (val);
933
      else if (EQ (prop, Qtop))
934
	top = val;
935
      else if (EQ (prop, Qleft))
936
	left = val;
937 938 939 940
      else if (EQ (prop, Qicon_top))
	icon_top = val;
      else if (EQ (prop, Qicon_left))
	icon_left = val;
941 942 943
      else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
	/* Processed above.  */
	continue;
944 945
      else
	{
946
	  register Lisp_Object param_index, old_value;
947

948 949
	  param_index = Fget (prop, Qx_frame_parameter);
	  old_value = get_frame_param (f, prop);
950
	  store_frame_param (f, prop, val);
951 952
 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
953 954
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
955 956 957
	}
    }

958 959
  /* Don't die if just one of these was set.  */
  if (EQ (left, Qunbound))
960 961
    {
      left_no_change = 1;
962 963
      if (f->output_data.x->left_pos < 0)
	left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil));
964
      else
965
	XSETINT (left, f->output_data.x->left_pos);
966
    }
967
  if (EQ (top, Qunbound))
968 969
    {
      top_no_change = 1;
970 971
      if (f->output_data.x->top_pos < 0)
	top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil));
972
      else
973
	XSETINT (top, f->output_data.x->top_pos);
974
    }
975

976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991
  /* 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);
    }

992
  /* Don't set these parameters unless they've been explicitly
993 994 995 996 997 998 999
     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.  */
1000 1001 1002
  {
    Lisp_Object frame;

1003 1004
    check_frame_size (f, &height, &width);

1005
    XSETFRAME (frame, f);
1006

1007 1008
    if (width != FRAME_WIDTH (f)
	|| height != FRAME_HEIGHT (f)
1009
	|| FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
1010
      Fset_frame_size (frame, make_number (width), make_number (height));
1011 1012

    if ((!NILP (left) || !NILP (top))
1013
	&& ! (left_no_change && top_no_change)
1014 1015
	&& ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos
	      && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos))
1016
      {
1017 1018
	int leftpos = 0;
	int toppos = 0;
1019 1020

	/* Record the signs.  */
1021
	f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative);
1022
	if (EQ (left, Qminus))
1023
	  f->output_data.x->size_hint_flags |= XNegative;
1024 1025 1026 1027
	else if (INTEGERP (left))
	  {
	    leftpos = XINT (left);
	    if (leftpos < 0)
1028
	      f->output_data.x->size_hint_flags |= XNegative;
1029 1030 1031 1032 1033 1034
	  }
	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);
1035
	    f->output_data.x->size_hint_flags |= XNegative;
1036 1037 1038 1039 1040 1041 1042 1043 1044
	  }
	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))