frame.c 119 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Generic frame functions.
2
   Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
3
                 2004, 2005, 2006 Free Software Foundation, Inc.
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
Lute Kamstra's avatar
Lute Kamstra committed
19 20
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */
Jim Blandy's avatar
Jim Blandy committed
21

22
#include <config.h>
23 24

#include <stdio.h>
25
#include "lisp.h"
Karl Heuer's avatar
Karl Heuer committed
26
#include "charset.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
Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth;

112
Lisp_Object Qinhibit_face_set_after_frame_default;
Kim F. Storm's avatar
Kim F. Storm committed
113 114 115
Lisp_Object Qface_set_after_frame_default;


116
Lisp_Object Vterminal_frame;
117
Lisp_Object Vdefault_frame_alist;
118
Lisp_Object Vdefault_frame_scroll_bars;
119
Lisp_Object Vmouse_position_function;
120
Lisp_Object Vmouse_highlight;
121
Lisp_Object Vdelete_frame_functions;
122 123 124 125 126 127 128 129

static void
set_menu_bar_lines_1 (window, n)
  Lisp_Object window;
  int n;
{
  struct window *w = XWINDOW (window);

130
  XSETFASTINT (w->last_modified, 0);
131 132
  XSETFASTINT (w->top_line, XFASTINT (w->top_line) + n);
  XSETFASTINT (w->total_lines, XFASTINT (w->total_lines) - n);
133

134 135 136 137
  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);
138 139 140 141 142 143 144 145 146 147 148 149 150

  /* 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);
    }
}

151
void
152 153 154 155 156 157 158 159 160
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
161
     frame itself, and get an error because you can't switch buffers
162 163 164 165 166 167 168 169 170
     in or split the minibuffer window.  */
  if (FRAME_MINIBUF_ONLY_P (f))
    return;

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

171 172 173 174 175 176
  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);
177
      adjust_glyphs (f);
178
    }
179 180 181 182 183
}

Lisp_Object Vemacs_iconified;
Lisp_Object Vframe_list;

184 185
struct x_output tty_display;

Jim Blandy's avatar
Jim Blandy committed
186 187
extern Lisp_Object Vminibuffer_list;
extern Lisp_Object get_minibuffer ();
188 189
extern Lisp_Object Fhandle_switch_frame ();
extern Lisp_Object Fredirect_frame_focus ();
Karl Heuer's avatar
Karl Heuer committed
190
extern Lisp_Object x_get_focus_frame ();
Jim Blandy's avatar
Jim Blandy committed
191

Jim Blandy's avatar
Jim Blandy committed
192
DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
193 194 195 196 197 198 199 200
       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
201
     Lisp_Object object;
Jim Blandy's avatar
Jim Blandy committed
202
{
203
  if (!FRAMEP (object))
Jim Blandy's avatar
Jim Blandy committed
204
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
205
  switch (XFRAME (object)->output_method)
Jim Blandy's avatar
Jim Blandy committed
206 207 208 209
    {
    case output_termcap:
      return Qt;
    case output_x_window:
210
      return Qx;
211 212
    case output_w32:
      return Qw32;
213 214
    case output_msdos_raw:
      return Qpc;
215 216
    case output_mac:
      return Qmac;
Jim Blandy's avatar
Jim Blandy committed
217 218 219 220 221
    default:
      abort ();
    }
}

Jim Blandy's avatar
Jim Blandy committed
222
DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
223 224 225
       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
226
displayed on.  See the documentation of `framep' for possible
Pavel Janík's avatar
Pavel Janík committed
227
return values.  */)
228
     (object)
Jim Blandy's avatar
Jim Blandy committed
229 230
     Lisp_Object object;
{
Jim Blandy's avatar
Jim Blandy committed
231 232 233
  return ((FRAMEP (object)
	   && FRAME_LIVE_P (XFRAME (object)))
	  ? Fframep (object)
Jim Blandy's avatar
Jim Blandy committed
234 235 236
	  : Qnil);
}

Jim Blandy's avatar
Jim Blandy committed
237 238
struct frame *
make_frame (mini_p)
Jim Blandy's avatar
Jim Blandy committed
239 240
     int mini_p;
{
Jim Blandy's avatar
Jim Blandy committed
241 242
  Lisp_Object frame;
  register struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
243 244
  register Lisp_Object root_window;
  register Lisp_Object mini_window;
245 246

  f = allocate_frame ();
247
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
248

249 250 251 252 253 254
  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
255
  f->visible = 0;
256
  f->async_visible = 0;
257
  f->output_data.nothing = 0;
Jim Blandy's avatar
Jim Blandy committed
258
  f->iconified = 0;
259
  f->async_iconified = 0;
Jim Blandy's avatar
Jim Blandy committed
260 261 262 263
  f->wants_modeline = 1;
  f->auto_raise = 0;
  f->auto_lower = 0;
  f->no_split = 0;
264
  f->garbaged = 1;
Jim Blandy's avatar
Jim Blandy committed
265
  f->has_minibuffer = mini_p;
266
  f->focus_frame = Qnil;
267
  f->explicit_name = 0;
268
  f->can_have_scroll_bars = 0;
269
  f->vertical_scroll_bar_type = vertical_scroll_bar_none;
Jim Blandy's avatar
Jim Blandy committed
270
  f->param_alist = Qnil;
271 272
  f->scroll_bars = Qnil;
  f->condemned_scroll_bars = Qnil;
273
  f->face_alist = Qnil;
274
  f->face_cache = NULL;
275
  f->menu_bar_items = Qnil;
276 277
  f->menu_bar_vector = Qnil;
  f->menu_bar_items_used = 0;
278
  f->buffer_predicate = Qnil;
279
  f->buffer_list = Qnil;
280 281 282
#ifdef MULTI_KBOARD
  f->kboard = initial_kboard;
#endif
283
  f->namebuf = 0;
284
  f->title = Qnil;
285
  f->menu_bar_window = Qnil;
286
  f->tool_bar_window = Qnil;
287
  f->tool_bar_items = Qnil;
288
  f->desired_tool_bar_string = f->current_tool_bar_string = Qnil;
289
  f->n_tool_bar_items = 0;
290 291 292 293 294 295 296 297
  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;
298
#ifdef HAVE_WINDOW_SYSTEM
299
  f->want_fullscreen = FULLSCREEN_NONE;
300
#endif
301 302
  f->size_hint_flags = 0;
  f->win_gravity = 0;
Jim Blandy's avatar
Jim Blandy committed
303

304
  root_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
305 306
  if (mini_p)
    {
307
      mini_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
308 309 310
      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
311 312
      XWINDOW (mini_window)->frame = frame;
      f->minibuffer_window = mini_window;
Jim Blandy's avatar
Jim Blandy committed
313 314 315 316 317
    }
  else
    {
      mini_window = Qnil;
      XWINDOW (root_window)->next = Qnil;
Jim Blandy's avatar
Jim Blandy committed
318
      f->minibuffer_window = Qnil;
Jim Blandy's avatar
Jim Blandy committed
319 320
    }

Jim Blandy's avatar
Jim Blandy committed
321
  XWINDOW (root_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
322 323 324

  /* 10 is arbitrary,
     just so that there is "something there."
Jim Blandy's avatar
Jim Blandy committed
325
     Correct size will be set up later with change_frame_size.  */
Jim Blandy's avatar
Jim Blandy committed
326

327 328
  SET_FRAME_COLS (f, 10);
  FRAME_LINES (f) = 10;
Jim Blandy's avatar
Jim Blandy committed
329

330 331
  XSETFASTINT (XWINDOW (root_window)->total_cols, 10);
  XSETFASTINT (XWINDOW (root_window)->total_lines, (mini_p ? 9 : 10));
Jim Blandy's avatar
Jim Blandy committed
332 333 334

  if (mini_p)
    {
335 336 337
      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
338 339
    }

Jim Blandy's avatar
Jim Blandy committed
340
  /* Choose a buffer for the frame's root window.  */
Jim Blandy's avatar
Jim Blandy committed
341 342 343 344 345 346 347
  {
    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.  */
348
    if (SREF (Fbuffer_name (buf), 0) == ' ')
349
      buf = Fother_buffer (buf, Qnil, Qnil);
350

351 352 353 354 355 356
    /* 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.  */
357
    set_window_buffer (root_window, buf, 0, 0);
358
    f->buffer_list = Fcons (buf, Qnil);
Jim Blandy's avatar
Jim Blandy committed
359 360
  }

Jim Blandy's avatar
Jim Blandy committed
361 362 363
  if (mini_p)
    {
      XWINDOW (mini_window)->buffer = Qt;
364 365 366 367
      set_window_buffer (mini_window,
			 (NILP (Vminibuffer_list)
			  ? get_minibuffer (0)
			  : Fcar (Vminibuffer_list)),
368
			 0, 0);
Jim Blandy's avatar
Jim Blandy committed
369 370
    }

Jim Blandy's avatar
Jim Blandy committed
371 372
  f->root_window = root_window;
  f->selected_window = root_window;
Jim Blandy's avatar
Jim Blandy committed
373 374
  /* Make sure this window seems more recently used than
     a newly-created, never-selected window.  */
375 376
  ++window_select_count;
  XSETFASTINT (XWINDOW (f->selected_window)->use_time, window_select_count);
Jim Blandy's avatar
Jim Blandy committed
377

378 379
  f->default_face_done_p = 0;

Jim Blandy's avatar
Jim Blandy committed
380
  return f;
Jim Blandy's avatar
Jim Blandy committed
381 382
}

383
#ifdef HAVE_WINDOW_SYSTEM
Jim Blandy's avatar
Jim Blandy committed
384
/* Make a frame using a separate minibuffer window on another frame.
Jim Blandy's avatar
Jim Blandy committed
385 386 387
   MINI_WINDOW is the minibuffer window to use.  nil means use the
   default (the global minibuffer).  */

Jim Blandy's avatar
Jim Blandy committed
388
struct frame *
389
make_frame_without_minibuffer (mini_window, kb, display)
Jim Blandy's avatar
Jim Blandy committed
390
     register Lisp_Object mini_window;
391
     KBOARD *kb;
392
     Lisp_Object display;
Jim Blandy's avatar
Jim Blandy committed
393
{
Jim Blandy's avatar
Jim Blandy committed
394
  register struct frame *f;
395
  struct gcpro gcpro1;
Jim Blandy's avatar
Jim Blandy committed
396

397
  if (!NILP (mini_window))
398
    CHECK_LIVE_WINDOW (mini_window);
Jim Blandy's avatar
Jim Blandy committed
399

400
#ifdef MULTI_KBOARD
401 402
  if (!NILP (mini_window)
      && XFRAME (XWINDOW (mini_window)->frame)->kboard != kb)
403
    error ("Frame and minibuffer must be on the same display");
404 405
#endif

Jim Blandy's avatar
Jim Blandy committed
406 407
  /* Make a frame containing just a root window.  */
  f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
408

409 410 411 412 413 414
  if (NILP (mini_window))
    {
      /* Use default-minibuffer-frame if possible.  */
      if (!FRAMEP (kb->Vdefault_minibuffer_frame)
	  || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))
	{
415 416 417 418
          Lisp_Object frame_dummy;

          XSETFRAME (frame_dummy, f);
          GCPRO1 (frame_dummy);
419
	  /* If there's no minibuffer frame to use, create one.  */
420 421 422
	  kb->Vdefault_minibuffer_frame =
	    call1 (intern ("make-initial-minibuffer-frame"), display);
          UNGCPRO;
423
	}
424

425 426
      mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window;
    }
427

Jim Blandy's avatar
Jim Blandy committed
428
  f->minibuffer_window = mini_window;
429 430 431 432 433 434 435

  /* 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)
436
			 : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
437
  return f;
Jim Blandy's avatar
Jim Blandy committed
438 439
}

Jim Blandy's avatar
Jim Blandy committed
440
/* Make a frame containing only a minibuffer window.  */
Jim Blandy's avatar
Jim Blandy committed
441

Jim Blandy's avatar
Jim Blandy committed
442 443
struct frame *
make_minibuffer_frame ()
Jim Blandy's avatar
Jim Blandy committed
444
{
Jim Blandy's avatar
Jim Blandy committed
445
  /* First make a frame containing just a root window, no minibuffer.  */
Jim Blandy's avatar
Jim Blandy committed
446

Jim Blandy's avatar
Jim Blandy committed
447
  register struct frame *f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
448
  register Lisp_Object mini_window;
Jim Blandy's avatar
Jim Blandy committed
449
  register Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
450

451
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
452

453
  f->auto_raise = 0;
Jim Blandy's avatar
Jim Blandy committed
454 455 456 457
  f->auto_lower = 0;
  f->no_split = 1;
  f->wants_modeline = 0;
  f->has_minibuffer = 1;
Jim Blandy's avatar
Jim Blandy committed
458 459 460 461 462

  /* 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
463
  mini_window = f->minibuffer_window = f->root_window;
Jim Blandy's avatar
Jim Blandy committed
464 465
  XWINDOW (mini_window)->mini_p = Qt;
  XWINDOW (mini_window)->next = Qnil;
466
  XWINDOW (mini_window)->prev = Qnil;
Jim Blandy's avatar
Jim Blandy committed
467
  XWINDOW (mini_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
468 469 470 471

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

  Fset_window_buffer (mini_window,
Jim Blandy's avatar
Jim Blandy committed
472
		      (NILP (Vminibuffer_list)
Jim Blandy's avatar
Jim Blandy committed
473
		       ? get_minibuffer (0)
474
		       : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
475
  return f;
Jim Blandy's avatar
Jim Blandy committed
476
}
477
#endif /* HAVE_WINDOW_SYSTEM */
Jim Blandy's avatar
Jim Blandy committed
478

Jim Blandy's avatar
Jim Blandy committed
479
/* Construct a frame that refers to the terminal (stdin and stdout).  */
Jim Blandy's avatar
Jim Blandy committed
480

481 482
static int terminal_frame_count;

Jim Blandy's avatar
Jim Blandy committed
483 484
struct frame *
make_terminal_frame ()
Jim Blandy's avatar
Jim Blandy committed
485
{
Jim Blandy's avatar
Jim Blandy committed
486
  register struct frame *f;
487
  Lisp_Object frame;
488 489
  char name[20];

490 491 492 493 494
#ifdef MULTI_KBOARD
  if (!initial_kboard)
    {
      initial_kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
      init_kboard (initial_kboard);
495 496
      initial_kboard->next_kboard = all_kboards;
      all_kboards = initial_kboard;
497 498 499
    }
#endif

500 501 502
  /* The first call must initialize Vframe_list.  */
  if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
    Vframe_list = Qnil;
Jim Blandy's avatar
Jim Blandy committed
503 504

  f = make_frame (1);
505

506
  XSETFRAME (frame, f);
507 508
  Vframe_list = Fcons (frame, Vframe_list);

509
  terminal_frame_count++;
510 511
  sprintf (name, "F%d", terminal_frame_count);
  f->name = build_string (name);
512 513 514

  f->visible = 1;		/* FRAME_SET_VISIBLE wd set frame_garbaged. */
  f->async_visible = 1;		/* Don't let visible be cleared later. */
515 516
#ifdef MSDOS
  f->output_data.x = &the_only_x_display;
517 518 519
  if (!inhibit_window_system
      && (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
	  || XFRAME (selected_frame)->output_method == output_msdos_raw))
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
    {
      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;
	}
    }
537 538 539
  else
    f->output_method = output_termcap;
#else
540
#ifdef WINDOWSNT
541
  f->output_method = output_termcap;
542 543
  f->output_data.x = &tty_display;
#else
544
#ifdef MAC_OS8
545 546
  make_mac_terminal_frame (f);
#else
547
  f->output_data.x = &tty_display;
548 549 550 551
#ifdef CANNOT_DUMP
  FRAME_FOREGROUND_PIXEL(f) = FACE_TTY_DEFAULT_FG_COLOR;
  FRAME_BACKGROUND_PIXEL(f) = FACE_TTY_DEFAULT_BG_COLOR;
#endif
552
#endif /* MAC_OS8 */
553
#endif /* WINDOWSNT */
554
#endif /* MSDOS */
555

556 557
  if (!noninteractive)
    init_frame_faces (f);
558

Jim Blandy's avatar
Jim Blandy committed
559
  return f;
Jim Blandy's avatar
Jim Blandy committed
560
}
561 562

DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
563 564 565 566 567 568 569 570
       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)
571 572 573
     Lisp_Object parms;
{
  struct frame *f;
574
  Lisp_Object frame, tem;
575
  struct frame *sf = SELECTED_FRAME ();
576

577
#ifdef MSDOS
578 579
  if (sf->output_method != output_msdos_raw
      && sf->output_method != output_termcap)
580
    abort ();
581 582
#else /* not MSDOS */

583
#ifdef MAC_OS
584
  if (sf->output_method != output_mac)
585
    error ("Not running on a Macintosh screen; cannot make a new Macintosh frame");
586
#else
587
  if (sf->output_method != output_termcap)
588
    error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
589
#endif
590
#endif /* not MSDOS */
591 592

  f = make_terminal_frame ();
593

594 595
  change_frame_size (f, FRAME_LINES (sf),
		     FRAME_COLS (sf), 0, 0, 0);
596
  adjust_glyphs (f);
597 598
  calculate_costs (f);
  XSETFRAME (frame, f);
599
  Fmodify_frame_parameters (frame, Vdefault_frame_alist);
600
  Fmodify_frame_parameters (frame, parms);
601 602 603

  /* Make the frame face alist be frame-specific, so that each
     frame could change its face definitions independently.  */
604
  f->face_alist = Fcopy_alist (sf->face_alist);
605 606 607 608
  /* 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))
609
    XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
610 611
  return frame;
}
612

Jim Blandy's avatar
Jim Blandy committed
613

614 615 616 617 618 619 620 621 622 623 624 625 626
/* 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.  */

627
Lisp_Object
628 629 630
do_switch_frame (frame, track, for_deletion)
     Lisp_Object frame;
     int track, for_deletion;
Jim Blandy's avatar
Jim Blandy committed
631
{
632
  struct frame *sf = SELECTED_FRAME ();
633

634 635 636
  /* If FRAME is a switch-frame event, extract the frame we should
     switch to.  */
  if (CONSP (frame)
637 638 639
      && EQ (XCAR (frame), Qswitch_frame)
      && CONSP (XCDR (frame)))
    frame = XCAR (XCDR (frame));
640

641 642 643
  /* 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.  */
644
  CHECK_FRAME (frame);
645 646
  if (! FRAME_LIVE_P (XFRAME (frame)))
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
647

648
  if (sf == XFRAME (frame))
Jim Blandy's avatar
Jim Blandy committed
649
    return frame;
Jim Blandy's avatar
Jim Blandy committed
650

651 652 653
  /* This is too greedy; it causes inappropriate focus redirection
     that's hard to get rid of.  */
#if 0
654 655 656 657 658 659 660
  /* 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.  */
661 662 663
  if (track)
    {
      Lisp_Object tail;
664

665
      for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
666 667
	{
	  Lisp_Object focus;
668

669
	  if (!FRAMEP (XCAR (tail)))
670
	    abort ();
671

672
	  focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
673

674
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
675
	    Fredirect_frame_focus (XCAR (tail), frame);
676 677 678 679
	}
    }
#else /* ! 0 */
  /* Instead, apply it only to the frame we're pointing to.  */
680
#ifdef HAVE_WINDOW_SYSTEM
681
  if (track && FRAME_WINDOW_P (XFRAME (frame)))
682 683 684
    {
      Lisp_Object focus, xfocus;

685
      xfocus = x_get_focus_frame (XFRAME (frame));
686 687 688
      if (FRAMEP (xfocus))
	{
	  focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
689
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
690 691 692 693 694
	    Fredirect_frame_focus (xfocus, frame);
	}
    }
#endif /* HAVE_X_WINDOWS */
#endif /* ! 0 */
695

696
  if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
697 698
    resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);

699 700 701
  selected_frame = frame;
  if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
    last_nonminibuf_frame = XFRAME (selected_frame);
Jim Blandy's avatar
Jim Blandy committed
702

703
  Fselect_window (XFRAME (frame)->selected_window, Qnil);
Jim Blandy's avatar
Jim Blandy committed
704

705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721
#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 */

722
  /* We want to make sure that the next event generates a frame-switch
723
     event to the appropriate frame.  This seems kludgy to me, but
724 725 726 727
     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.  */
728
  internal_last_event_frame = Qnil;
729

Jim Blandy's avatar
Jim Blandy committed
730
  return frame;
Jim Blandy's avatar
Jim Blandy committed
731 732
}

733
DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 1, "e",
734 735 736 737
       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
738 739 740 741 742 743
function is called.  If you are using a window system, the previously
selected frame may be restored as the selected frame after return to
the command loop, because it still may have the window system's input
focus.  On a text-only terminal, the next redisplay will display FRAME.

This function returns FRAME, or nil if FRAME has been deleted.  */)
744 745
  (frame)
    Lisp_Object frame;
746
{
747
  return do_switch_frame (frame, 1, 0);
748 749 750
}


751
DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 1, "e",
752 753 754 755 756 757 758 759
       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.  */)
760 761
     (event)
     Lisp_Object event;
762
{
763 764
  /* Preserve prefix arg that the command loop just cleared.  */
  current_kboard->Vprefix_arg = Vcurrent_prefix_arg;
765
  call1 (Vrun_hooks, Qmouse_leave_buffer_hook);
766
  return do_switch_frame (event, 0, 0);
767 768
}

Jim Blandy's avatar
Jim Blandy committed
769
DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0,
770 771
       doc: /* Return the frame that is now selected.  */)
     ()
Jim Blandy's avatar
Jim Blandy committed
772
{
773
  return selected_frame;
Jim Blandy's avatar
Jim Blandy committed
774
}
775

Jim Blandy's avatar
Jim Blandy committed
776
DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0,
777 778
       doc: /* Return the frame object that window WINDOW is on.  */)
     (window)
Jim Blandy's avatar
Jim Blandy committed
779 780
     Lisp_Object window;
{
781
  CHECK_LIVE_WINDOW (window);
Jim Blandy's avatar
Jim Blandy committed
782
  return XWINDOW (window)->frame;
Jim Blandy's avatar
Jim Blandy committed
783 784
}

785
DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0,
786 787 788
       doc: /* Returns the topmost, leftmost window of FRAME.
If omitted, FRAME defaults to the currently selected frame.  */)
     (frame)
789 790 791 792 793
     Lisp_Object frame;
{
  Lisp_Object w;

  if (NILP (frame))
794
    w = SELECTED_FRAME ()->root_window;
795 796
  else
    {
797
      CHECK_LIVE_FRAME (frame);
798 799 800 801 802 803 804 805 806 807 808 809 810 811
      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;
}

812 813
DEFUN ("active-minibuffer-window", Factive_minibuffer_window,
       Sactive_minibuffer_window, 0, 0, 0,
814 815
       doc: /* Return the currently active minibuffer window, or nil if none.  */)
     ()
816 817 818 819
{
  return minibuf_level ? minibuf_window : Qnil;
}

Jim Blandy's avatar
Jim Blandy committed
820
DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0,
821 822 823
       doc: /* Returns the root-window of FRAME.
If omitted, FRAME defaults to the currently selected frame.  */)
     (frame)
Jim Blandy's avatar
Jim Blandy committed
824
     Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
825
{
826
  Lisp_Object window;
827

Jim Blandy's avatar
Jim Blandy committed
828
  if (NILP (frame))
829
    window = SELECTED_FRAME ()->root_window;
Jim Blandy's avatar
Jim Blandy committed
830
  else
831
    {
832
      CHECK_LIVE_FRAME (frame);
833 834
      window = XFRAME (frame)->root_window;
    }
835

836
  return window;
Jim Blandy's avatar
Jim Blandy committed
837 838
}

Jim Blandy's avatar
Jim Blandy committed
839 840
DEFUN ("frame-selected-window", Fframe_selected_window,
       Sframe_selected_window, 0, 1, 0,
841 842 843
       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
844
     Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
845
{
846
  Lisp_Object window;
847

Jim Blandy's avatar
Jim Blandy committed
848
  if (NILP (frame))
849
    window = SELECTED_FRAME ()->selected_window;
Jim Blandy's avatar
Jim Blandy committed
850
  else
851
    {
852
      CHECK_LIVE_FRAME (frame);
853 854
      window = XFRAME (frame)->selected_window;
    }
Jim Blandy's avatar
Jim Blandy committed
855

856
  return window;
Jim Blandy's avatar
Jim Blandy committed
857 858
}

859 860
DEFUN ("set-frame-selected-window", Fset_frame_selected_window,
       Sset_frame_selected_window, 2, 2, 0,
861
       doc: /* Set the selected window of frame object FRAME to WINDOW.
862
Return WINDOW.
863 864 865
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.