frame.c 116 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Generic frame functions.
2
   Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2003
3
   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
#include <config.h>
23 24

#include <stdio.h>
25
#include "lisp.h"
26
#include "character.h"
27
#ifdef HAVE_X_WINDOWS
Andreas Schwab's avatar
Andreas Schwab committed
28
#include "xterm.h"
Karl Heuer's avatar
Karl Heuer committed
29
#endif
Andrew Innes's avatar
Andrew Innes committed
30 31 32
#ifdef WINDOWSNT
#include "w32term.h"
#endif
33
#ifdef MAC_OS
34 35
#include "macterm.h"
#endif
36 37 38 39
#include "buffer.h"
/* These help us bind and responding to switch-frame events.  */
#include "commands.h"
#include "keyboard.h"
40
#include "frame.h"
41 42 43
#ifdef HAVE_WINDOW_SYSTEM
#include "fontset.h"
#endif
Kim F. Storm's avatar
Kim F. Storm committed
44
#include "blockinput.h"
45
#include "termhooks.h"
Andreas Schwab's avatar
Andreas Schwab committed
46
#include "dispextern.h"
47
#include "window.h"
Morten Welinder's avatar
Morten Welinder committed
48 49
#ifdef MSDOS
#include "msdos.h"
50
#include "dosfns.h"
Morten Welinder's avatar
Morten Welinder committed
51
#endif
Jim Blandy's avatar
Jim Blandy committed
52

Kim F. Storm's avatar
Kim F. Storm committed
53

54 55
#ifdef HAVE_WINDOW_SYSTEM

Kim F. Storm's avatar
Kim F. Storm committed
56 57 58 59 60 61 62 63 64
/* The name we're using in resource queries.  Most often "emacs".  */

Lisp_Object Vx_resource_name;

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

Lisp_Object Vx_resource_class;

65
#endif
Kim F. Storm's avatar
Kim F. Storm committed
66 67 68

Lisp_Object Qframep, Qframe_live_p;
Lisp_Object Qicon, Qmodeline;
69
Lisp_Object Qonly;
Kim F. Storm's avatar
Kim F. Storm committed
70
Lisp_Object Qx, Qw32, Qmac, Qpc;
71
Lisp_Object Qvisible;
72
Lisp_Object Qdisplay_type;
73
Lisp_Object Qbackground_mode;
74
Lisp_Object Qinhibit_default_face_x_resources;
Kim F. Storm's avatar
Kim F. Storm committed
75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107

Lisp_Object Qx_frame_parameter;
Lisp_Object Qx_resource_name;

/* Frame parameters (set or reported).  */

Lisp_Object Qauto_raise, Qauto_lower;
Lisp_Object Qborder_color, Qborder_width;
Lisp_Object Qcursor_color, Qcursor_type;
Lisp_Object Qgeometry;  /* Not used */
Lisp_Object Qheight, Qwidth;
Lisp_Object Qleft, Qright;
Lisp_Object Qicon_left, Qicon_top, Qicon_type, Qicon_name;
Lisp_Object Qinternal_border_width;
Lisp_Object Qmouse_color;
Lisp_Object Qminibuffer;
Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
Lisp_Object Qvisibility;
Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
Lisp_Object Qscreen_gamma;
Lisp_Object Qline_spacing;
Lisp_Object Quser_position, Quser_size;
Lisp_Object Qwait_for_wm;
Lisp_Object Qwindow_id;
#ifdef HAVE_X_WINDOWS
Lisp_Object Qouter_window_id;
#endif
Lisp_Object Qparent_id;
Lisp_Object Qtitle, Qname;
Lisp_Object Qunsplittable;
Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
Lisp_Object Qleft_fringe, Qright_fringe;
Lisp_Object Qbuffer_predicate, Qbuffer_list;
108
Lisp_Object Qtty_color_mode;
Jim Blandy's avatar
Jim Blandy committed
109

Kim F. Storm's avatar
Kim F. Storm committed
110 111 112 113 114
Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth;

Lisp_Object Qface_set_after_frame_default;


115
Lisp_Object Vterminal_frame;
116
Lisp_Object Vdefault_frame_alist;
117
Lisp_Object Vmouse_position_function;
118
Lisp_Object Vmouse_highlight;
119
Lisp_Object Vdelete_frame_functions;
120 121 122 123 124 125 126 127

static void
set_menu_bar_lines_1 (window, n)
  Lisp_Object window;
  int n;
{
  struct window *w = XWINDOW (window);

128
  XSETFASTINT (w->last_modified, 0);
129 130
  XSETFASTINT (w->top_line, XFASTINT (w->top_line) + n);
  XSETFASTINT (w->total_lines, XFASTINT (w->total_lines) - n);
131

132 133 134 135
  if (INTEGERP (w->orig_top_line))
    XSETFASTINT (w->orig_top_line, XFASTINT (w->orig_top_line) + n);
  if (INTEGERP (w->orig_total_lines))
    XSETFASTINT (w->orig_total_lines, XFASTINT (w->orig_total_lines) - n);
136 137 138 139 140 141 142 143 144 145 146 147 148

  /* Handle just the top child in a vertical split.  */
  if (!NILP (w->vchild))
    set_menu_bar_lines_1 (w->vchild, n);

  /* Adjust all children in a horizontal split.  */
  for (window = w->hchild; !NILP (window); window = w->next)
    {
      w = XWINDOW (window);
      set_menu_bar_lines_1 (window, n);
    }
}

149
void
150 151 152 153 154 155 156 157 158
set_menu_bar_lines (f, value, oldval)
     struct frame *f;
     Lisp_Object value, oldval;
{
  int nlines;
  int olines = FRAME_MENU_BAR_LINES (f);

  /* Right now, menu bars don't work properly in minibuf-only frames;
     most of the commands try to apply themselves to the minibuffer
Karl Heuer's avatar
Karl Heuer committed
159
     frame itself, and get an error because you can't switch buffers
160 161 162 163 164 165 166 167 168
     in or split the minibuffer window.  */
  if (FRAME_MINIBUF_ONLY_P (f))
    return;

  if (INTEGERP (value))
    nlines = XINT (value);
  else
    nlines = 0;

169 170 171 172 173 174
  if (nlines != olines)
    {
      windows_or_buffers_changed++;
      FRAME_WINDOW_SIZES_CHANGED (f) = 1;
      FRAME_MENU_BAR_LINES (f) = nlines;
      set_menu_bar_lines_1 (f->root_window, nlines - olines);
175
      adjust_glyphs (f);
176
    }
177 178 179 180 181
}

Lisp_Object Vemacs_iconified;
Lisp_Object Vframe_list;

182 183
struct x_output tty_display;

Jim Blandy's avatar
Jim Blandy committed
184 185
extern Lisp_Object Vminibuffer_list;
extern Lisp_Object get_minibuffer ();
186 187
extern Lisp_Object Fhandle_switch_frame ();
extern Lisp_Object Fredirect_frame_focus ();
Karl Heuer's avatar
Karl Heuer committed
188
extern Lisp_Object x_get_focus_frame ();
Jim Blandy's avatar
Jim Blandy committed
189

Jim Blandy's avatar
Jim Blandy committed
190
DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
191 192 193 194 195 196 197 198
       doc: /* Return non-nil if OBJECT is a frame.
Value is t for a termcap frame (a character-only terminal),
`x' for an Emacs frame that is really an X window,
`w32' for an Emacs frame that is a window on MS-Windows display,
`mac' for an Emacs frame on a Macintosh display,
`pc' for a direct-write MS-DOS frame.
See also `frame-live-p'.  */)
     (object)
Jim Blandy's avatar
Jim Blandy committed
199
     Lisp_Object object;
Jim Blandy's avatar
Jim Blandy committed
200
{
201
  if (!FRAMEP (object))
Jim Blandy's avatar
Jim Blandy committed
202
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
203
  switch (XFRAME (object)->output_method)
Jim Blandy's avatar
Jim Blandy committed
204 205 206 207
    {
    case output_termcap:
      return Qt;
    case output_x_window:
208
      return Qx;
209 210
    case output_w32:
      return Qw32;
211 212
    case output_msdos_raw:
      return Qpc;
213 214
    case output_mac:
      return Qmac;
Jim Blandy's avatar
Jim Blandy committed
215 216 217 218 219
    default:
      abort ();
    }
}

Jim Blandy's avatar
Jim Blandy committed
220
DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
221 222 223
       doc: /* Return non-nil if OBJECT is a frame which has not been deleted.
Value is nil if OBJECT is not a live frame.  If object is a live
frame, the return value indicates what sort of output device it is
Pavel Janík's avatar
Pavel Janík committed
224
displayed on.  See the documentation of `framep' for possible
Pavel Janík's avatar
Pavel Janík committed
225
return values.  */)
226
     (object)
Jim Blandy's avatar
Jim Blandy committed
227 228
     Lisp_Object object;
{
Jim Blandy's avatar
Jim Blandy committed
229 230 231
  return ((FRAMEP (object)
	   && FRAME_LIVE_P (XFRAME (object)))
	  ? Fframep (object)
Jim Blandy's avatar
Jim Blandy committed
232 233 234
	  : Qnil);
}

Jim Blandy's avatar
Jim Blandy committed
235 236
struct frame *
make_frame (mini_p)
Jim Blandy's avatar
Jim Blandy committed
237 238
     int mini_p;
{
Jim Blandy's avatar
Jim Blandy committed
239 240
  Lisp_Object frame;
  register struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
241 242
  register Lisp_Object root_window;
  register Lisp_Object mini_window;
243 244

  f = allocate_frame ();
245
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
246

247 248 249 250 251 252
  f->desired_matrix = 0;
  f->current_matrix = 0;
  f->desired_pool = 0;
  f->current_pool = 0;
  f->glyphs_initialized_p = 0;
  f->decode_mode_spec_buffer = 0;
Jim Blandy's avatar
Jim Blandy committed
253
  f->visible = 0;
254
  f->async_visible = 0;
255
  f->output_data.nothing = 0;
Jim Blandy's avatar
Jim Blandy committed
256
  f->iconified = 0;
257
  f->async_iconified = 0;
Jim Blandy's avatar
Jim Blandy committed
258 259 260 261
  f->wants_modeline = 1;
  f->auto_raise = 0;
  f->auto_lower = 0;
  f->no_split = 0;
262
  f->garbaged = 1;
Jim Blandy's avatar
Jim Blandy committed
263
  f->has_minibuffer = mini_p;
264
  f->focus_frame = Qnil;
265
  f->explicit_name = 0;
266
  f->can_have_scroll_bars = 0;
267
  f->vertical_scroll_bar_type = vertical_scroll_bar_none;
Jim Blandy's avatar
Jim Blandy committed
268
  f->param_alist = Qnil;
269 270
  f->scroll_bars = Qnil;
  f->condemned_scroll_bars = Qnil;
271
  f->face_alist = Qnil;
272
  f->face_cache = NULL;
273
  f->menu_bar_items = Qnil;
274 275
  f->menu_bar_vector = Qnil;
  f->menu_bar_items_used = 0;
276
  f->buffer_predicate = Qnil;
277
  f->buffer_list = Qnil;
278 279 280
#ifdef MULTI_KBOARD
  f->kboard = initial_kboard;
#endif
281
  f->namebuf = 0;
282
  f->title = Qnil;
283
  f->menu_bar_window = Qnil;
284
  f->tool_bar_window = Qnil;
285
  f->tool_bar_items = Qnil;
286
  f->desired_tool_bar_string = f->current_tool_bar_string = Qnil;
287
  f->n_tool_bar_items = 0;
288 289 290 291 292 293 294 295
  f->left_fringe_width = f->right_fringe_width = 0;
  f->fringe_cols = 0;
  f->scroll_bar_actual_width = 0;
  f->border_width = 0;
  f->internal_border_width = 0;
  f->column_width = 1;  /* !FRAME_WINDOW_P value */
  f->line_height = 1;  /* !FRAME_WINDOW_P value */
  f->x_pixels_diff = f->y_pixels_diff = 0;
296
#ifdef HAVE_WINDOW_SYSTEM
297
  f->want_fullscreen = FULLSCREEN_NONE;
298
#endif
299 300
  f->size_hint_flags = 0;
  f->win_gravity = 0;
Jim Blandy's avatar
Jim Blandy committed
301

302
  root_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
303 304
  if (mini_p)
    {
305
      mini_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
306 307 308
      XWINDOW (root_window)->next = mini_window;
      XWINDOW (mini_window)->prev = root_window;
      XWINDOW (mini_window)->mini_p = Qt;
Jim Blandy's avatar
Jim Blandy committed
309 310
      XWINDOW (mini_window)->frame = frame;
      f->minibuffer_window = mini_window;
Jim Blandy's avatar
Jim Blandy committed
311 312 313 314 315
    }
  else
    {
      mini_window = Qnil;
      XWINDOW (root_window)->next = Qnil;
Jim Blandy's avatar
Jim Blandy committed
316
      f->minibuffer_window = Qnil;
Jim Blandy's avatar
Jim Blandy committed
317 318
    }

Jim Blandy's avatar
Jim Blandy committed
319
  XWINDOW (root_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
320 321 322

  /* 10 is arbitrary,
     just so that there is "something there."
Jim Blandy's avatar
Jim Blandy committed
323
     Correct size will be set up later with change_frame_size.  */
Jim Blandy's avatar
Jim Blandy committed
324

325 326
  SET_FRAME_COLS (f, 10);
  FRAME_LINES (f) = 10;
Jim Blandy's avatar
Jim Blandy committed
327

328 329
  XSETFASTINT (XWINDOW (root_window)->total_cols, 10);
  XSETFASTINT (XWINDOW (root_window)->total_lines, (mini_p ? 9 : 10));
Jim Blandy's avatar
Jim Blandy committed
330 331 332

  if (mini_p)
    {
333 334 335
      XSETFASTINT (XWINDOW (mini_window)->total_cols, 10);
      XSETFASTINT (XWINDOW (mini_window)->top_line, 9);
      XSETFASTINT (XWINDOW (mini_window)->total_lines, 1);
Jim Blandy's avatar
Jim Blandy committed
336 337
    }

Jim Blandy's avatar
Jim Blandy committed
338
  /* Choose a buffer for the frame's root window.  */
Jim Blandy's avatar
Jim Blandy committed
339 340 341 342 343 344 345
  {
    Lisp_Object buf;

    XWINDOW (root_window)->buffer = Qt;
    buf = Fcurrent_buffer ();
    /* If buf is a 'hidden' buffer (i.e. one whose name starts with
       a space), try to find another one.  */
346
    if (SREF (Fbuffer_name (buf), 0) == ' ')
347
      buf = Fother_buffer (buf, Qnil, Qnil);
348

349 350 351 352 353 354
    /* Use set_window_buffer, not Fset_window_buffer, and don't let
       hooks be run by it.  The reason is that the whole frame/window
       arrangement is not yet fully intialized at this point.  Windows
       don't have the right size, glyph matrices aren't initialized
       etc.  Running Lisp functions at this point surely ends in a
       SEGV.  */
355
    set_window_buffer (root_window, buf, 0, 0);
356
    f->buffer_list = Fcons (buf, Qnil);
Jim Blandy's avatar
Jim Blandy committed
357 358
  }

Jim Blandy's avatar
Jim Blandy committed
359 360 361
  if (mini_p)
    {
      XWINDOW (mini_window)->buffer = Qt;
362 363 364 365
      set_window_buffer (mini_window,
			 (NILP (Vminibuffer_list)
			  ? get_minibuffer (0)
			  : Fcar (Vminibuffer_list)),
366
			 0, 0);
Jim Blandy's avatar
Jim Blandy committed
367 368
    }

Jim Blandy's avatar
Jim Blandy committed
369 370
  f->root_window = root_window;
  f->selected_window = root_window;
Jim Blandy's avatar
Jim Blandy committed
371 372
  /* Make sure this window seems more recently used than
     a newly-created, never-selected window.  */
373
  XSETFASTINT (XWINDOW (f->selected_window)->use_time, ++window_select_count);
Jim Blandy's avatar
Jim Blandy committed
374

375 376
  f->default_face_done_p = 0;

Jim Blandy's avatar
Jim Blandy committed
377
  return f;
Jim Blandy's avatar
Jim Blandy committed
378 379
}

380
#ifdef HAVE_WINDOW_SYSTEM
Jim Blandy's avatar
Jim Blandy committed
381
/* Make a frame using a separate minibuffer window on another frame.
Jim Blandy's avatar
Jim Blandy committed
382 383 384
   MINI_WINDOW is the minibuffer window to use.  nil means use the
   default (the global minibuffer).  */

Jim Blandy's avatar
Jim Blandy committed
385
struct frame *
386
make_frame_without_minibuffer (mini_window, kb, display)
Jim Blandy's avatar
Jim Blandy committed
387
     register Lisp_Object mini_window;
388
     KBOARD *kb;
389
     Lisp_Object display;
Jim Blandy's avatar
Jim Blandy committed
390
{
Jim Blandy's avatar
Jim Blandy committed
391
  register struct frame *f;
392
  struct gcpro gcpro1;
Jim Blandy's avatar
Jim Blandy committed
393

394
  if (!NILP (mini_window))
395
    CHECK_LIVE_WINDOW (mini_window);
Jim Blandy's avatar
Jim Blandy committed
396

397
#ifdef MULTI_KBOARD
398 399
  if (!NILP (mini_window)
      && XFRAME (XWINDOW (mini_window)->frame)->kboard != kb)
400 401 402
    error ("frame and minibuffer must be on the same display");
#endif

Jim Blandy's avatar
Jim Blandy committed
403 404
  /* Make a frame containing just a root window.  */
  f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
405

406 407 408 409 410 411
  if (NILP (mini_window))
    {
      /* Use default-minibuffer-frame if possible.  */
      if (!FRAMEP (kb->Vdefault_minibuffer_frame)
	  || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))
	{
412 413 414 415
          Lisp_Object frame_dummy;

          XSETFRAME (frame_dummy, f);
          GCPRO1 (frame_dummy);
416
	  /* If there's no minibuffer frame to use, create one.  */
417 418 419
	  kb->Vdefault_minibuffer_frame =
	    call1 (intern ("make-initial-minibuffer-frame"), display);
          UNGCPRO;
420
	}
421

422 423
      mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window;
    }
424

Jim Blandy's avatar
Jim Blandy committed
425
  f->minibuffer_window = mini_window;
426 427 428 429 430 431 432

  /* Make the chosen minibuffer window display the proper minibuffer,
     unless it is already showing a minibuffer.  */
  if (NILP (Fmemq (XWINDOW (mini_window)->buffer, Vminibuffer_list)))
    Fset_window_buffer (mini_window,
			(NILP (Vminibuffer_list)
			 ? get_minibuffer (0)
433
			 : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
434
  return f;
Jim Blandy's avatar
Jim Blandy committed
435 436
}

Jim Blandy's avatar
Jim Blandy committed
437
/* Make a frame containing only a minibuffer window.  */
Jim Blandy's avatar
Jim Blandy committed
438

Jim Blandy's avatar
Jim Blandy committed
439 440
struct frame *
make_minibuffer_frame ()
Jim Blandy's avatar
Jim Blandy committed
441
{
Jim Blandy's avatar
Jim Blandy committed
442
  /* First make a frame containing just a root window, no minibuffer.  */
Jim Blandy's avatar
Jim Blandy committed
443

Jim Blandy's avatar
Jim Blandy committed
444
  register struct frame *f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
445
  register Lisp_Object mini_window;
Jim Blandy's avatar
Jim Blandy committed
446
  register Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
447

448
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
449

450
  f->auto_raise = 0;
Jim Blandy's avatar
Jim Blandy committed
451 452 453 454
  f->auto_lower = 0;
  f->no_split = 1;
  f->wants_modeline = 0;
  f->has_minibuffer = 1;
Jim Blandy's avatar
Jim Blandy committed
455 456 457 458 459

  /* Now label the root window as also being the minibuffer.
     Avoid infinite looping on the window chain by marking next pointer
     as nil. */

Jim Blandy's avatar
Jim Blandy committed
460
  mini_window = f->minibuffer_window = f->root_window;
Jim Blandy's avatar
Jim Blandy committed
461 462
  XWINDOW (mini_window)->mini_p = Qt;
  XWINDOW (mini_window)->next = Qnil;
463
  XWINDOW (mini_window)->prev = Qnil;
Jim Blandy's avatar
Jim Blandy committed
464
  XWINDOW (mini_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
465 466 467 468

  /* Put the proper buffer in that window.  */

  Fset_window_buffer (mini_window,
Jim Blandy's avatar
Jim Blandy committed
469
		      (NILP (Vminibuffer_list)
Jim Blandy's avatar
Jim Blandy committed
470
		       ? get_minibuffer (0)
471
		       : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
472
  return f;
Jim Blandy's avatar
Jim Blandy committed
473
}
474
#endif /* HAVE_WINDOW_SYSTEM */
Jim Blandy's avatar
Jim Blandy committed
475

Jim Blandy's avatar
Jim Blandy committed
476
/* Construct a frame that refers to the terminal (stdin and stdout).  */
Jim Blandy's avatar
Jim Blandy committed
477

478 479
static int terminal_frame_count;

Jim Blandy's avatar
Jim Blandy committed
480 481
struct frame *
make_terminal_frame ()
Jim Blandy's avatar
Jim Blandy committed
482
{
Jim Blandy's avatar
Jim Blandy committed
483
  register struct frame *f;
484
  Lisp_Object frame;
485 486
  char name[20];

487 488 489 490 491
#ifdef MULTI_KBOARD
  if (!initial_kboard)
    {
      initial_kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
      init_kboard (initial_kboard);
492 493
      initial_kboard->next_kboard = all_kboards;
      all_kboards = initial_kboard;
494 495 496
    }
#endif

497 498 499
  /* The first call must initialize Vframe_list.  */
  if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
    Vframe_list = Qnil;
Jim Blandy's avatar
Jim Blandy committed
500 501

  f = make_frame (1);
502

503
  XSETFRAME (frame, f);
504 505
  Vframe_list = Fcons (frame, Vframe_list);

506
  terminal_frame_count++;
507 508
  sprintf (name, "F%d", terminal_frame_count);
  f->name = build_string (name);
509 510 511

  f->visible = 1;		/* FRAME_SET_VISIBLE wd set frame_garbaged. */
  f->async_visible = 1;		/* Don't let visible be cleared later. */
512 513
#ifdef MSDOS
  f->output_data.x = &the_only_x_display;
514 515 516
  if (!inhibit_window_system
      && (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
	  || XFRAME (selected_frame)->output_method == output_msdos_raw))
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
    {
      f->output_method = output_msdos_raw;
      /* This initialization of foreground and background pixels is
	 only important for the initial frame created in temacs.  If
	 we don't do that, we get black background and foreground in
	 the dumped Emacs because the_only_x_display is a static
	 variable, hence it is born all-zeroes, and zero is the code
	 for the black color.  Other frames all inherit their pixels
	 from what's already in the_only_x_display.  */
      if ((!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame)))
	  && f->output_data.x->background_pixel == 0
	  && f->output_data.x->foreground_pixel == 0)
	{
	  f->output_data.x->background_pixel = FACE_TTY_DEFAULT_BG_COLOR;
	  f->output_data.x->foreground_pixel = FACE_TTY_DEFAULT_FG_COLOR;
	}
    }
534 535 536
  else
    f->output_method = output_termcap;
#else
537
#ifdef WINDOWSNT
538
  f->output_method = output_termcap;
539 540
  f->output_data.x = &tty_display;
#else
541
#ifdef MAC_OS8
542 543
  make_mac_terminal_frame (f);
#else
544
  f->output_data.x = &tty_display;
545 546 547 548
#ifdef CANNOT_DUMP
  FRAME_FOREGROUND_PIXEL(f) = FACE_TTY_DEFAULT_FG_COLOR;
  FRAME_BACKGROUND_PIXEL(f) = FACE_TTY_DEFAULT_BG_COLOR;
#endif
549
#endif /* MAC_OS8 */
550
#endif /* WINDOWSNT */
551
#endif /* MSDOS */
552

553 554
  if (!noninteractive)
    init_frame_faces (f);
555

Jim Blandy's avatar
Jim Blandy committed
556
  return f;
Jim Blandy's avatar
Jim Blandy committed
557
}
558 559

DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
560 561 562 563 564 565 566 567
       1, 1, 0,
       doc: /* Create an additional terminal frame.
You can create multiple frames on a text-only terminal in this way.
Only the selected terminal frame is actually displayed.
This function takes one argument, an alist specifying frame parameters.
In practice, generally you don't need to specify any parameters.
Note that changing the size of one terminal frame automatically affects all.  */)
     (parms)
568 569 570
     Lisp_Object parms;
{
  struct frame *f;
571
  Lisp_Object frame, tem;
572
  struct frame *sf = SELECTED_FRAME ();
573

574
#ifdef MSDOS
575 576
  if (sf->output_method != output_msdos_raw
      && sf->output_method != output_termcap)
577
    abort ();
578 579
#else /* not MSDOS */

580
#ifdef MAC_OS
581
  if (sf->output_method != output_mac)
582
    error ("Not running on a Macintosh screen; cannot make a new Macintosh frame");
583
#else
584
  if (sf->output_method != output_termcap)
585
    error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
586
#endif
587
#endif /* not MSDOS */
588 589

  f = make_terminal_frame ();
590

591 592
  change_frame_size (f, FRAME_LINES (sf),
		     FRAME_COLS (sf), 0, 0, 0);
593
  adjust_glyphs (f);
594 595
  calculate_costs (f);
  XSETFRAME (frame, f);
596
  Fmodify_frame_parameters (frame, Vdefault_frame_alist);
597
  Fmodify_frame_parameters (frame, parms);
598 599 600

  /* Make the frame face alist be frame-specific, so that each
     frame could change its face definitions independently.  */
601
  f->face_alist = Fcopy_alist (sf->face_alist);
602 603 604 605
  /* Simple Fcopy_alist isn't enough, because we need the contents of
     the vectors which are the CDRs of associations in face_alist to
     be copied as well.  */
  for (tem = f->face_alist; CONSP (tem); tem = XCDR (tem))
606
    XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
607 608
  return frame;
}
609

Jim Blandy's avatar
Jim Blandy committed
610

611 612 613 614 615 616 617 618 619 620 621 622 623
/* Perform the switch to frame FRAME.

   If FRAME is a switch-frame event `(switch-frame FRAME1)', use
   FRAME1 as frame.

   If TRACK is non-zero and the frame that currently has the focus
   redirects its focus to the selected frame, redirect that focused
   frame's focus to FRAME instead.

   FOR_DELETION non-zero means that the selected frame is being
   deleted, which includes the possibility that the frame's display
   is dead.  */

624
Lisp_Object
625 626 627
do_switch_frame (frame, track, for_deletion)
     Lisp_Object frame;
     int track, for_deletion;
Jim Blandy's avatar
Jim Blandy committed
628
{
629
  struct frame *sf = SELECTED_FRAME ();
630

631 632 633
  /* If FRAME is a switch-frame event, extract the frame we should
     switch to.  */
  if (CONSP (frame)
634 635 636
      && EQ (XCAR (frame), Qswitch_frame)
      && CONSP (XCDR (frame)))
    frame = XCAR (XCDR (frame));
637

638 639 640
  /* This used to say CHECK_LIVE_FRAME, but apparently it's possible for
     a switch-frame event to arrive after a frame is no longer live,
     especially when deleting the initial frame during startup.  */
641
  CHECK_FRAME (frame);
642 643
  if (! FRAME_LIVE_P (XFRAME (frame)))
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
644

645
  if (sf == XFRAME (frame))
Jim Blandy's avatar
Jim Blandy committed
646
    return frame;
Jim Blandy's avatar
Jim Blandy committed
647

648 649 650
  /* This is too greedy; it causes inappropriate focus redirection
     that's hard to get rid of.  */
#if 0
651 652 653 654 655 656 657
  /* If a frame's focus has been redirected toward the currently
     selected frame, we should change the redirection to point to the
     newly selected frame.  This means that if the focus is redirected
     from a minibufferless frame to a surrogate minibuffer frame, we
     can use `other-window' to switch between all the frames using
     that minibuffer frame, and the focus redirection will follow us
     around.  */
658 659 660
  if (track)
    {
      Lisp_Object tail;
661

662
      for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
663 664
	{
	  Lisp_Object focus;
665

666
	  if (!FRAMEP (XCAR (tail)))
667
	    abort ();
668

669
	  focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
670

671
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
672
	    Fredirect_frame_focus (XCAR (tail), frame);
673 674 675 676
	}
    }
#else /* ! 0 */
  /* Instead, apply it only to the frame we're pointing to.  */
677
#ifdef HAVE_WINDOW_SYSTEM
678
  if (track && FRAME_WINDOW_P (XFRAME (frame)))
679 680 681
    {
      Lisp_Object focus, xfocus;

682
      xfocus = x_get_focus_frame (XFRAME (frame));
683 684 685
      if (FRAMEP (xfocus))
	{
	  focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
686
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
687 688 689 690 691
	    Fredirect_frame_focus (xfocus, frame);
	}
    }
#endif /* HAVE_X_WINDOWS */
#endif /* ! 0 */
692

693
  if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
694 695
    resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);

696 697 698
  selected_frame = frame;
  if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
    last_nonminibuf_frame = XFRAME (selected_frame);
Jim Blandy's avatar
Jim Blandy committed
699

700
  Fselect_window (XFRAME (frame)->selected_window, Qnil);
Jim Blandy's avatar
Jim Blandy committed
701

702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718
#ifndef WINDOWSNT
  /* Make sure to switch the tty color mode to that of the newly
     selected frame.  */
  sf = SELECTED_FRAME ();
  if (FRAME_TERMCAP_P (sf))
    {
      Lisp_Object color_mode_spec, color_mode;

      color_mode_spec = assq_no_quit (Qtty_color_mode, sf->param_alist);
      if (CONSP (color_mode_spec))
	color_mode = XCDR (color_mode_spec);
      else
	color_mode = make_number (0);
      set_tty_color_mode (sf, color_mode);
    }
#endif /* !WINDOWSNT */

719
  /* We want to make sure that the next event generates a frame-switch
720
     event to the appropriate frame.  This seems kludgy to me, but
721 722 723 724
     before you take it out, make sure that evaluating something like
     (select-window (frame-root-window (new-frame))) doesn't end up
     with your typing being interpreted in the new frame instead of
     the one you're actually typing in.  */
725
  internal_last_event_frame = Qnil;
726

Jim Blandy's avatar
Jim Blandy committed
727
  return frame;
Jim Blandy's avatar
Jim Blandy committed
728 729
}

730
DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, "e",
731 732 733 734 735
       doc: /* Select the frame FRAME.
Subsequent editing commands apply to its selected window.
The selection of FRAME lasts until the next time the user does
something to select a different frame, or until the next time this
function is called.  */)
736 737 738
  (frame, no_enter)
    Lisp_Object frame, no_enter;
{
739
  return do_switch_frame (frame, 1, 0);
740 741 742 743
}


DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 2, "e",
744 745 746 747 748 749 750 751 752
       doc: /* Handle a switch-frame event EVENT.
Switch-frame events are usually bound to this function.
A switch-frame event tells Emacs that the window manager has requested
that the user's events be directed to the frame mentioned in the event.
This function selects the selected window of the frame of EVENT.

If EVENT is frame object, handle it as if it were a switch-frame event
to that frame.  */)
     (event, no_enter)
753
     Lisp_Object event, no_enter;
754
{
755 756
  /* Preserve prefix arg that the command loop just cleared.  */
  current_kboard->Vprefix_arg = Vcurrent_prefix_arg;
757
  call1 (Vrun_hooks, Qmouse_leave_buffer_hook);
758
  return do_switch_frame (event, 0, 0);
759 760
}

761
DEFUN ("ignore-event", Fignore_event, Signore_event, 0, 0, "",
762
       doc: /* Do nothing, but preserve any prefix argument already specified.
763
This is a suitable binding for `iconify-frame' and `make-frame-visible'.  */)
764 765 766 767 768
     ()
{
  current_kboard->Vprefix_arg = Vcurrent_prefix_arg;
  return Qnil;
}
769

Jim Blandy's avatar
Jim Blandy committed
770
DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0,
771 772
       doc: /* Return the frame that is now selected.  */)
     ()
Jim Blandy's avatar
Jim Blandy committed
773
{
774
  return selected_frame;
Jim Blandy's avatar
Jim Blandy committed
775
}
776

Jim Blandy's avatar
Jim Blandy committed
777
DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0,
778 779
       doc: /* Return the frame object that window WINDOW is on.  */)
     (window)
Jim Blandy's avatar
Jim Blandy committed
780 781
     Lisp_Object window;
{
782
  CHECK_LIVE_WINDOW (window);
Jim Blandy's avatar
Jim Blandy committed
783
  return XWINDOW (window)->frame;
Jim Blandy's avatar
Jim Blandy committed
784 785
}

786
DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0,
787 788 789
       doc: /* Returns the topmost, leftmost window of FRAME.
If omitted, FRAME defaults to the currently selected frame.  */)
     (frame)
790 791 792 793 794
     Lisp_Object frame;
{
  Lisp_Object w;

  if (NILP (frame))
795
    w = SELECTED_FRAME ()->root_window;
796 797
  else
    {
798
      CHECK_LIVE_FRAME (frame);
799 800 801 802 803 804 805 806 807 808 809 810 811 812
      w = XFRAME (frame)->root_window;
    }
  while (NILP (XWINDOW (w)->buffer))
    {
      if (! NILP (XWINDOW (w)->hchild))
	w = XWINDOW (w)->hchild;
      else if (! NILP (XWINDOW (w)->vchild))
	w = XWINDOW (w)->vchild;
      else
	abort ();
    }
  return w;
}

813 814
DEFUN ("active-minibuffer-window", Factive_minibuffer_window,
       Sactive_minibuffer_window, 0, 0, 0,
815 816
       doc: /* Return the currently active minibuffer window, or nil if none.  */)
     ()
817 818 819 820
{
  return minibuf_level ? minibuf_window : Qnil;
}

Jim Blandy's avatar
Jim Blandy committed
821
DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0,
822 823 824
       doc: /* Returns the root-window of FRAME.
If omitted, FRAME defaults to the currently selected frame.  */)
     (frame)
Jim Blandy's avatar
Jim Blandy committed
825
     Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
826
{
827
  Lisp_Object window;
828

Jim Blandy's avatar
Jim Blandy committed
829
  if (NILP (frame))
830
    window = SELECTED_FRAME ()->root_window;
Jim Blandy's avatar
Jim Blandy committed
831
  else
832
    {
833
      CHECK_LIVE_FRAME (frame);
834 835
      window = XFRAME (frame)->root_window;
    }
836

837
  return window;
Jim Blandy's avatar
Jim Blandy committed
838 839
}

Jim Blandy's avatar
Jim Blandy committed
840 841
DEFUN ("frame-selected-window", Fframe_selected_window,
       Sframe_selected_window, 0, 1, 0,
842 843 844
       doc: /* Return the selected window of frame object FRAME.
If omitted, FRAME defaults to the currently selected frame.  */)
     (frame)
Jim Blandy's avatar
Jim Blandy committed
845
     Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
846
{
847
  Lisp_Object window;
848

Jim Blandy's avatar
Jim Blandy committed
849
  if (NILP (frame))
850
    window = SELECTED_FRAME ()->selected_window;
Jim Blandy's avatar
Jim Blandy committed
851
  else
852
    {
853
      CHECK_LIVE_FRAME (frame);
854 855
      window = XFRAME (frame)->selected_window;
    }
Jim Blandy's avatar
Jim Blandy committed
856

857
  return window;
Jim Blandy's avatar
Jim Blandy committed
858 859
}

860 861
DEFUN ("set-frame-selected-window", Fset_frame_selected_window,
       Sset_frame_selected_window, 2, 2, 0,
862 863 864 865
       doc: /* Set the selected window of frame object FRAME to WINDOW.
If FRAME is nil, the selected frame is used.
If FRAME is the selected frame, this makes WINDOW the selected window.  */)
     (frame, window)
866 867 868
     Lisp_Object frame, window;
{
  if (NILP (frame))
869
    frame = selected_frame;
870

871 872
  CHECK_LIVE_FRAME (frame);
  CHECK_LIVE_WINDOW (window);
873 874 875 876

  if (! EQ (frame, WINDOW_FRAME (XWINDOW (window))))
    error ("In `set-frame-selected-window', WINDOW is not on FRAME");

877
  if (EQ (frame, selected_frame))
878
    return Fselect_window (window, Qnil);
879 880 881 882

  return XFRAME (frame)->selected_window = window;
}

Jim Blandy's avatar
Jim Blandy committed
883
DEFUN ("frame-list", Fframe_list, Sframe_list,
Jim Blandy's avatar
Jim Blandy committed
884
       0, 0, 0,
885 886
       doc: /* Return a list of all frames.  */)
     ()
Jim Blandy's avatar
Jim Blandy committed
887
{
888 889
  Lisp_Object frames;
  frames = Fcopy_sequence (Vframe_list);
890
#ifdef HAVE_WINDOW_SYSTEM
891 892
  if (FRAMEP (tip_frame))
    frames = Fdelq (tip_frame, frames);
893
#endif
894
  return frames;
Jim Blandy's avatar
Jim Blandy committed
895 896
}

Jim Blandy's avatar
Jim Blandy committed
897 898
/* Return the next frame in the frame list after FRAME.
   If MINIBUF is nil, exclude minibuffer-only frames.
899 900
   If MINIBUF is a window, include only its own frame
   and any frame now using that window as the minibuffer.
901
   If MINIBUF is `visible', include all visible frames.
902
   If MINIBUF is 0, include all visible and iconified frames.
903 904
   Otherwise, include all frames.  */

Jim Blandy's avatar
Jim Blandy committed
905
Lisp_Object
Jim Blandy's avatar
Jim Blandy committed
906 907
next_frame (frame, minibuf)
     Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed