frame.c 134 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,
Glenn Morris's avatar
Glenn Morris committed
3
     2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Jim Blandy's avatar
Jim Blandy committed
4 5 6

This file is part of GNU Emacs.

7
GNU Emacs is free software: you can redistribute it and/or modify
Jim Blandy's avatar
Jim Blandy committed
8
it under the terms of the GNU General Public License as published by
9 10
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Jim Blandy's avatar
Jim Blandy committed
11 12 13 14 15 16 17

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
18
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
Jim Blandy's avatar
Jim Blandy committed
19

20
#include <config.h>
21 22

#include <stdio.h>
Kenichi Handa's avatar
Kenichi Handa committed
23
#include <ctype.h>
24
#include <setjmp.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 34 35
#ifdef HAVE_NS
#include "nsterm.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"
Kim F. Storm's avatar
Kim F. Storm committed
41
#include "blockinput.h"
42
#include "termchar.h"
43
#include "termhooks.h"
Andreas Schwab's avatar
Andreas Schwab committed
44
#include "dispextern.h"
45
#include "window.h"
46
#include "font.h"
Andreas Schwab's avatar
Andreas Schwab committed
47
#ifdef HAVE_WINDOW_SYSTEM
48 49
#include "fontset.h"
#endif
Morten Welinder's avatar
Morten Welinder committed
50 51
#ifdef MSDOS
#include "msdos.h"
52
#include "dosfns.h"
Morten Welinder's avatar
Morten Welinder committed
53
#endif
Jim Blandy's avatar
Jim Blandy committed
54

Kim F. Storm's avatar
Kim F. Storm committed
55

56 57 58
/* If we shall make pointer invisible when typing or not.  */
Lisp_Object Vmake_pointer_invisible;

59 60
#ifdef HAVE_WINDOW_SYSTEM

Kim F. Storm's avatar
Kim F. Storm committed
61 62 63 64 65 66 67 68 69
/* 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;

70 71 72 73
/* Lower limit value of the frame opacity (alpha transparency).  */

Lisp_Object Vframe_alpha_lower_limit;

74
#endif
Kim F. Storm's avatar
Kim F. Storm committed
75

Chong Yidong's avatar
Chong Yidong committed
76 77 78 79
#ifdef HAVE_NS
Lisp_Object Qns_parse_geometry;
#endif

Kim F. Storm's avatar
Kim F. Storm committed
80 81
Lisp_Object Qframep, Qframe_live_p;
Lisp_Object Qicon, Qmodeline;
82
Lisp_Object Qonly;
83
Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
84
Lisp_Object Qvisible;
85
Lisp_Object Qdisplay_type;
86
Lisp_Object Qbackground_mode;
87
Lisp_Object Qnoelisp;
Kim F. Storm's avatar
Kim F. Storm committed
88 89 90

Lisp_Object Qx_frame_parameter;
Lisp_Object Qx_resource_name;
91 92
Lisp_Object Qterminal;
Lisp_Object Qterminal_live_p;
Kim F. Storm's avatar
Kim F. Storm committed
93 94 95 96 97 98 99 100 101 102

/* 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;
103
Lisp_Object Qtooltip;
Kim F. Storm's avatar
Kim F. Storm committed
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
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;
120
Lisp_Object Qexplicit_name;
Kim F. Storm's avatar
Kim F. Storm committed
121 122
Lisp_Object Qunsplittable;
Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
123
Lisp_Object Vmenu_bar_mode, Vtool_bar_mode;
Kim F. Storm's avatar
Kim F. Storm committed
124
Lisp_Object Qleft_fringe, Qright_fringe;
125
Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
126
Lisp_Object Qtty_color_mode;
127
Lisp_Object Qtty, Qtty_type;
Jim Blandy's avatar
Jim Blandy committed
128

129
Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
130
Lisp_Object Qsticky;
Kenichi Handa's avatar
Kenichi Handa committed
131
Lisp_Object Qfont_backend;
132
Lisp_Object Qalpha;
Kim F. Storm's avatar
Kim F. Storm committed
133 134 135

Lisp_Object Qface_set_after_frame_default;

136
Lisp_Object Vterminal_frame;
137
Lisp_Object Vdefault_frame_alist;
Kenichi Handa's avatar
Kenichi Handa committed
138
Lisp_Object Vdefault_frame_scroll_bars;
139
Lisp_Object Vmouse_position_function;
140
Lisp_Object Vmouse_highlight;
141
static Lisp_Object Vdelete_frame_functions, Qdelete_frame_functions;
142 143

int focus_follows_mouse;
144 145

static void
146
set_menu_bar_lines_1 (Lisp_Object window, int n)
147 148 149
{
  struct window *w = XWINDOW (window);

150
  XSETFASTINT (w->last_modified, 0);
151 152
  XSETFASTINT (w->top_line, XFASTINT (w->top_line) + n);
  XSETFASTINT (w->total_lines, XFASTINT (w->total_lines) - n);
153

154 155 156 157
  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);
158 159 160 161 162 163 164 165 166 167 168 169 170

  /* 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);
    }
}

171
void
172
set_menu_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
173 174 175 176 177 178
{
  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
179
     frame itself, and get an error because you can't switch buffers
180 181 182 183 184 185 186 187 188
     in or split the minibuffer window.  */
  if (FRAME_MINIBUF_ONLY_P (f))
    return;

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

189 190 191 192 193 194
  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);
195
      adjust_glyphs (f);
196
    }
197 198 199 200
}

Lisp_Object Vframe_list;

Jim Blandy's avatar
Jim Blandy committed
201
extern Lisp_Object Vminibuffer_list;
202 203 204
extern Lisp_Object get_minibuffer (int);
extern Lisp_Object Fhandle_switch_frame (Lisp_Object event);
extern Lisp_Object Fredirect_frame_focus (Lisp_Object frame, Lisp_Object focus_frame);
205
extern Lisp_Object x_get_focus_frame (struct frame *frame);
206 207
extern Lisp_Object QCname, Qfont_param;

Jim Blandy's avatar
Jim Blandy committed
208

Jim Blandy's avatar
Jim Blandy committed
209
DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
210 211 212 213
       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,
214
`ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
215 216
`pc' for a direct-write MS-DOS frame.
See also `frame-live-p'.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
217
  (Lisp_Object object)
Jim Blandy's avatar
Jim Blandy committed
218
{
219
  if (!FRAMEP (object))
Jim Blandy's avatar
Jim Blandy committed
220
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
221
  switch (XFRAME (object)->output_method)
Jim Blandy's avatar
Jim Blandy committed
222
    {
223
    case output_initial: /* The initial frame is like a termcap frame. */
Jim Blandy's avatar
Jim Blandy committed
224 225 226
    case output_termcap:
      return Qt;
    case output_x_window:
227
      return Qx;
228 229
    case output_w32:
      return Qw32;
230 231
    case output_msdos_raw:
      return Qpc;
232 233
    case output_mac:
      return Qmac;
234 235
    case output_ns:
      return Qns;
Jim Blandy's avatar
Jim Blandy committed
236 237 238 239 240
    default:
      abort ();
    }
}

Jim Blandy's avatar
Jim Blandy committed
241
DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
242 243
       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
244
frame, the return value indicates what sort of terminal device it is
Pavel Janík's avatar
Pavel Janík committed
245
displayed on.  See the documentation of `framep' for possible
Pavel Janík's avatar
Pavel Janík committed
246
return values.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
247
  (Lisp_Object object)
Jim Blandy's avatar
Jim Blandy committed
248
{
Jim Blandy's avatar
Jim Blandy committed
249 250 251
  return ((FRAMEP (object)
	   && FRAME_LIVE_P (XFRAME (object)))
	  ? Fframep (object)
Jim Blandy's avatar
Jim Blandy committed
252 253 254
	  : Qnil);
}

255 256 257 258 259 260
DEFUN ("window-system", Fwindow_system, Swindow_system, 0, 1, 0,
       doc: /* The name of the window system that FRAME is displaying through.
The value is a symbol---for instance, 'x' for X windows.
The value is nil if Emacs is using a text-only terminal.

FRAME defaults to the currently selected frame.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
261
  (Lisp_Object frame)
262 263 264 265 266 267 268 269 270 271 272 273 274 275
{
  Lisp_Object type;
  if (NILP (frame))
    frame = selected_frame;

  type = Fframep (frame);

  if (NILP (type))
    wrong_type_argument (Qframep, frame);

  if (EQ (type, Qt))
    return Qnil;
  else
    return type;
276
}
277

Jim Blandy's avatar
Jim Blandy committed
278
struct frame *
279
make_frame (int mini_p)
Jim Blandy's avatar
Jim Blandy committed
280
{
Jim Blandy's avatar
Jim Blandy committed
281 282
  Lisp_Object frame;
  register struct frame *f;
Jim Blandy's avatar
Jim Blandy committed
283 284
  register Lisp_Object root_window;
  register Lisp_Object mini_window;
285 286

  f = allocate_frame ();
287
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
288

289 290 291 292 293 294
  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
295
  f->visible = 0;
296
  f->async_visible = 0;
297
  f->output_data.nothing = 0;
Jim Blandy's avatar
Jim Blandy committed
298
  f->iconified = 0;
299
  f->async_iconified = 0;
Jim Blandy's avatar
Jim Blandy committed
300 301 302 303
  f->wants_modeline = 1;
  f->auto_raise = 0;
  f->auto_lower = 0;
  f->no_split = 0;
304
  f->garbaged = 1;
Jim Blandy's avatar
Jim Blandy committed
305
  f->has_minibuffer = mini_p;
306
  f->focus_frame = Qnil;
307
  f->explicit_name = 0;
308
  f->can_have_scroll_bars = 0;
309
  f->vertical_scroll_bar_type = vertical_scroll_bar_none;
Jim Blandy's avatar
Jim Blandy committed
310
  f->param_alist = Qnil;
311 312
  f->scroll_bars = Qnil;
  f->condemned_scroll_bars = Qnil;
313
  f->face_alist = Qnil;
314
  f->face_cache = NULL;
315
  f->menu_bar_items = Qnil;
316 317
  f->menu_bar_vector = Qnil;
  f->menu_bar_items_used = 0;
318
  f->buffer_predicate = Qnil;
319
  f->buffer_list = Qnil;
320
  f->buried_buffer_list = Qnil;
321
  f->namebuf = 0;
322
  f->title = Qnil;
323
  f->menu_bar_window = Qnil;
324
  f->tool_bar_window = Qnil;
325
  f->tool_bar_items = Qnil;
326
  f->desired_tool_bar_string = f->current_tool_bar_string = Qnil;
327
  f->n_tool_bar_items = 0;
328 329
  f->left_fringe_width = f->right_fringe_width = 0;
  f->fringe_cols = 0;
330 331
  f->menu_bar_lines = 0;
  f->tool_bar_lines = 0;
332 333 334 335 336 337
  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;
338
#ifdef HAVE_WINDOW_SYSTEM
339
  f->want_fullscreen = FULLSCREEN_NONE;
340
#endif
341 342
  f->size_hint_flags = 0;
  f->win_gravity = 0;
Kenichi Handa's avatar
Kenichi Handa committed
343
  f->font_driver_list = NULL;
344
  f->font_data_list = NULL;
Jim Blandy's avatar
Jim Blandy committed
345

346
  root_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
347 348
  if (mini_p)
    {
349
      mini_window = make_window ();
Jim Blandy's avatar
Jim Blandy committed
350 351 352
      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
353 354
      XWINDOW (mini_window)->frame = frame;
      f->minibuffer_window = mini_window;
Jim Blandy's avatar
Jim Blandy committed
355 356 357 358 359
    }
  else
    {
      mini_window = Qnil;
      XWINDOW (root_window)->next = Qnil;
Jim Blandy's avatar
Jim Blandy committed
360
      f->minibuffer_window = Qnil;
Jim Blandy's avatar
Jim Blandy committed
361 362
    }

Jim Blandy's avatar
Jim Blandy committed
363
  XWINDOW (root_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
364 365 366

  /* 10 is arbitrary,
     just so that there is "something there."
Jim Blandy's avatar
Jim Blandy committed
367
     Correct size will be set up later with change_frame_size.  */
Jim Blandy's avatar
Jim Blandy committed
368

369 370
  SET_FRAME_COLS (f, 10);
  FRAME_LINES (f) = 10;
Jim Blandy's avatar
Jim Blandy committed
371

372 373
  XSETFASTINT (XWINDOW (root_window)->total_cols, 10);
  XSETFASTINT (XWINDOW (root_window)->total_lines, (mini_p ? 9 : 10));
Jim Blandy's avatar
Jim Blandy committed
374 375 376

  if (mini_p)
    {
377 378 379
      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
380 381
    }

Jim Blandy's avatar
Jim Blandy committed
382
  /* Choose a buffer for the frame's root window.  */
Jim Blandy's avatar
Jim Blandy committed
383 384 385 386 387 388 389
  {
    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.  */
390
    if (SREF (Fbuffer_name (buf), 0) == ' ')
391
      buf = Fother_buffer (buf, Qnil, Qnil);
392

393 394 395 396 397 398
    /* 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.  */
399
    set_window_buffer (root_window, buf, 0, 0);
400
    f->buffer_list = Fcons (buf, Qnil);
Jim Blandy's avatar
Jim Blandy committed
401 402
  }

Jim Blandy's avatar
Jim Blandy committed
403 404 405
  if (mini_p)
    {
      XWINDOW (mini_window)->buffer = Qt;
406 407 408 409
      set_window_buffer (mini_window,
			 (NILP (Vminibuffer_list)
			  ? get_minibuffer (0)
			  : Fcar (Vminibuffer_list)),
410
			 0, 0);
Jim Blandy's avatar
Jim Blandy committed
411 412
    }

Jim Blandy's avatar
Jim Blandy committed
413 414
  f->root_window = root_window;
  f->selected_window = root_window;
Jim Blandy's avatar
Jim Blandy committed
415 416
  /* Make sure this window seems more recently used than
     a newly-created, never-selected window.  */
417 418
  ++window_select_count;
  XSETFASTINT (XWINDOW (f->selected_window)->use_time, window_select_count);
Jim Blandy's avatar
Jim Blandy committed
419

420 421
  f->default_face_done_p = 0;

Jim Blandy's avatar
Jim Blandy committed
422
  return f;
Jim Blandy's avatar
Jim Blandy committed
423 424
}

425
#ifdef HAVE_WINDOW_SYSTEM
Jim Blandy's avatar
Jim Blandy committed
426
/* Make a frame using a separate minibuffer window on another frame.
Jim Blandy's avatar
Jim Blandy committed
427 428 429
   MINI_WINDOW is the minibuffer window to use.  nil means use the
   default (the global minibuffer).  */

Jim Blandy's avatar
Jim Blandy committed
430
struct frame *
431
make_frame_without_minibuffer (register Lisp_Object mini_window, KBOARD *kb, Lisp_Object display)
Jim Blandy's avatar
Jim Blandy committed
432
{
Jim Blandy's avatar
Jim Blandy committed
433
  register struct frame *f;
434
  struct gcpro gcpro1;
Jim Blandy's avatar
Jim Blandy committed
435

436
  if (!NILP (mini_window))
437
    CHECK_LIVE_WINDOW (mini_window);
Jim Blandy's avatar
Jim Blandy committed
438

439
  if (!NILP (mini_window)
440 441
      && FRAME_KBOARD (XFRAME (XWINDOW (mini_window)->frame)) != kb)
    error ("Frame and minibuffer must be on the same terminal");
442

Jim Blandy's avatar
Jim Blandy committed
443 444
  /* Make a frame containing just a root window.  */
  f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
445

446 447 448 449 450 451
  if (NILP (mini_window))
    {
      /* Use default-minibuffer-frame if possible.  */
      if (!FRAMEP (kb->Vdefault_minibuffer_frame)
	  || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))
	{
452 453 454 455
          Lisp_Object frame_dummy;

          XSETFRAME (frame_dummy, f);
          GCPRO1 (frame_dummy);
456
	  /* If there's no minibuffer frame to use, create one.  */
457 458 459
	  kb->Vdefault_minibuffer_frame =
	    call1 (intern ("make-initial-minibuffer-frame"), display);
          UNGCPRO;
460
	}
461

462 463
      mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window;
    }
464

Jim Blandy's avatar
Jim Blandy committed
465
  f->minibuffer_window = mini_window;
466 467 468 469 470 471 472

  /* 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)
473
			 : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
474
  return f;
Jim Blandy's avatar
Jim Blandy committed
475 476
}

Jim Blandy's avatar
Jim Blandy committed
477
/* Make a frame containing only a minibuffer window.  */
Jim Blandy's avatar
Jim Blandy committed
478

Jim Blandy's avatar
Jim Blandy committed
479
struct frame *
480
make_minibuffer_frame (void)
Jim Blandy's avatar
Jim Blandy committed
481
{
Jim Blandy's avatar
Jim Blandy committed
482
  /* First make a frame containing just a root window, no minibuffer.  */
Jim Blandy's avatar
Jim Blandy committed
483

Jim Blandy's avatar
Jim Blandy committed
484
  register struct frame *f = make_frame (0);
Jim Blandy's avatar
Jim Blandy committed
485
  register Lisp_Object mini_window;
Jim Blandy's avatar
Jim Blandy committed
486
  register Lisp_Object frame;
Jim Blandy's avatar
Jim Blandy committed
487

488
  XSETFRAME (frame, f);
Jim Blandy's avatar
Jim Blandy committed
489

490
  f->auto_raise = 0;
Jim Blandy's avatar
Jim Blandy committed
491 492 493 494
  f->auto_lower = 0;
  f->no_split = 1;
  f->wants_modeline = 0;
  f->has_minibuffer = 1;
Jim Blandy's avatar
Jim Blandy committed
495 496 497 498 499

  /* 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
500
  mini_window = f->minibuffer_window = f->root_window;
Jim Blandy's avatar
Jim Blandy committed
501 502
  XWINDOW (mini_window)->mini_p = Qt;
  XWINDOW (mini_window)->next = Qnil;
503
  XWINDOW (mini_window)->prev = Qnil;
Jim Blandy's avatar
Jim Blandy committed
504
  XWINDOW (mini_window)->frame = frame;
Jim Blandy's avatar
Jim Blandy committed
505 506 507 508

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

  Fset_window_buffer (mini_window,
Jim Blandy's avatar
Jim Blandy committed
509
		      (NILP (Vminibuffer_list)
Jim Blandy's avatar
Jim Blandy committed
510
		       ? get_minibuffer (0)
511
		       : Fcar (Vminibuffer_list)), Qnil);
Jim Blandy's avatar
Jim Blandy committed
512
  return f;
Jim Blandy's avatar
Jim Blandy committed
513
}
514
#endif /* HAVE_WINDOW_SYSTEM */
Jim Blandy's avatar
Jim Blandy committed
515

516
/* Construct a frame that refers to a terminal.  */
Jim Blandy's avatar
Jim Blandy committed
517

518
static int tty_frame_count;
519

Jim Blandy's avatar
Jim Blandy committed
520
struct frame *
521
make_initial_frame (void)
Jim Blandy's avatar
Jim Blandy committed
522
{
523
  struct frame *f;
524
  struct terminal *terminal;
525
  Lisp_Object frame;
526

527
  eassert (initial_kboard);
528

529 530 531
  /* The first call must initialize Vframe_list.  */
  if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
    Vframe_list = Qnil;
Jim Blandy's avatar
Jim Blandy committed
532

533
  terminal = init_initial_terminal ();
534 535 536 537 538 539

  f = make_frame (1);
  XSETFRAME (frame, f);

  Vframe_list = Fcons (frame, Vframe_list);

540
  tty_frame_count = 1;
541
  f->name = make_pure_c_string ("F1");
542 543 544 545

  f->visible = 1;
  f->async_visible = 1;

546 547 548
  f->output_method = terminal->type;
  f->terminal = terminal;
  f->terminal->reference_count++;
549
  f->output_data.nothing = 0;
550

551 552
  FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
  FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
553

554 555
  FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
  FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
556 557 558

  /* The default value of menu-bar-mode is t.  */
  set_menu_bar_lines (f, make_number (1), Qnil);
559

560 561 562 563 564
#ifdef CANNOT_DUMP
  if (!noninteractive)
    init_frame_faces (f);
#endif

565 566 567 568 569
  return f;
}


struct frame *
570
make_terminal_frame (struct terminal *terminal)
571 572 573 574
{
  register struct frame *f;
  Lisp_Object frame;
  char name[20];
575

576 577
  if (!terminal->name)
    error ("Terminal is not live, can't create new frames on it");
578

Jim Blandy's avatar
Jim Blandy committed
579
  f = make_frame (1);
580

581
  XSETFRAME (frame, f);
582 583
  Vframe_list = Fcons (frame, Vframe_list);

584 585
  tty_frame_count++;
  sprintf (name, "F%d", tty_frame_count);
586
  f->name = build_string (name);
587 588 589

  f->visible = 1;		/* FRAME_SET_VISIBLE wd set frame_garbaged. */
  f->async_visible = 1;		/* Don't let visible be cleared later. */
590 591
  f->terminal = terminal;
  f->terminal->reference_count++;
592
#ifdef MSDOS
593
  f->output_data.tty->display_info = &the_only_display_info;
594 595 596
  if (!inhibit_window_system
      && (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
	  || XFRAME (selected_frame)->output_method == output_msdos_raw))
597
    f->output_method = output_msdos_raw;
598 599
  else
    f->output_method = output_termcap;
600 601 602 603 604 605
#else /* not MSDOS */
  f->output_method = output_termcap;
  create_tty_output (f);
  FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
  FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
#endif /* not MSDOS */
606

607 608
  FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
  FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
609
  FRAME_MENU_BAR_LINES(f) = NILP (Vmenu_bar_mode) ? 0 : 1;
610 611 612 613 614 615 616 617

  /* Set the top frame to the newly created frame. */
  if (FRAMEP (FRAME_TTY (f)->top_frame)
      && FRAME_LIVE_P (XFRAME (FRAME_TTY (f)->top_frame)))
    XFRAME (FRAME_TTY (f)->top_frame)->async_visible = 2; /* obscured */

  FRAME_TTY (f)->top_frame = frame;

618 619
  if (!noninteractive)
    init_frame_faces (f);
620

Jim Blandy's avatar
Jim Blandy committed
621
  return f;
Jim Blandy's avatar
Jim Blandy committed
622
}
623

624 625
/* Get a suitable value for frame parameter PARAMETER for a newly
   created frame, based on (1) the user-supplied frame parameter
626
   alist SUPPLIED_PARMS, and (2) CURRENT_VALUE.  */
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647

static Lisp_Object
get_future_frame_param (Lisp_Object parameter,
                        Lisp_Object supplied_parms,
                        char *current_value)
{
  Lisp_Object result;

  result = Fassq (parameter, supplied_parms);
  if (NILP (result))
    result = Fassq (parameter, XFRAME (selected_frame)->param_alist);
  if (NILP (result) && current_value != NULL)
    result = build_string (current_value);
  if (!NILP (result) && !STRINGP (result))
    result = XCDR (result);
  if (NILP (result) || !STRINGP (result))
    result = Qnil;

  return result;
}

648
DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
649
       1, 1, 0,
650
       doc: /* Create an additional terminal frame, possibly on another terminal.
651
This function takes one argument, an alist specifying frame parameters.
652 653 654 655 656 657 658 659 660 661 662

You can create multiple frames on a single text-only terminal, but
only one of them (the selected terminal frame) is actually displayed.

In practice, generally you don't need to specify any parameters,
except when you want to create a new frame on another terminal.
In that case, the `tty' parameter specifies the device file to open,
and the `tty-type' parameter specifies the terminal type.  Example:

   (make-terminal-frame '((tty . "/dev/pts/5") (tty-type . "xterm")))

663 664
Note that changing the size of one terminal frame automatically
affects all frames on the same terminal device.  */)
Dan Nicolaescu's avatar
Dan Nicolaescu committed
665
  (Lisp_Object parms)
666 667
{
  struct frame *f;
668
  struct terminal *t = NULL;
669
  Lisp_Object frame, tem;
670
  struct frame *sf = SELECTED_FRAME ();
671

672
#ifdef MSDOS
673 674
  if (sf->output_method != output_msdos_raw
      && sf->output_method != output_termcap)
675
    abort ();
676 677
#else /* not MSDOS */

678
#ifdef WINDOWSNT                           /* This should work now! */
679
  if (sf->output_method != output_termcap)
680
    error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
681
#endif
682
#endif /* not MSDOS */
683

684
  {
685
    Lisp_Object terminal;
686

687 688
    terminal = Fassq (Qterminal, parms);
    if (!NILP (terminal))
689
      {
690 691
        terminal = XCDR (terminal);
        t = get_terminal (terminal, 1);
692
      }
693 694 695 696 697 698 699
#ifdef MSDOS
    if (t && t != the_only_display_info.terminal)
      /* msdos.c assumes a single tty_display_info object.  */
      error ("Multiple terminals are not supported on this platform");
    if (!t)
      t = the_only_display_info.terminal;
#endif
700
  }
701

702
  if (!t)
703
    {
704
      char *name = 0, *type = 0;
705
      Lisp_Object tty, tty_type;
706

707 708 709 710 711
      tty = get_future_frame_param
        (Qtty, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
                       ? FRAME_TTY (XFRAME (selected_frame))->name
                       : NULL));
      if (!NILP (tty))
712 713 714 715 716
        {
          name = (char *) alloca (SBYTES (tty) + 1);
          strncpy (name, SDATA (tty), SBYTES (tty));
          name[SBYTES (tty)] = 0;
        }
717

718 719 720 721 722
      tty_type = get_future_frame_param
        (Qtty_type, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
                            ? FRAME_TTY (XFRAME (selected_frame))->type
                            : NULL));
      if (!NILP (tty_type))
723 724 725 726 727 728
        {
          type = (char *) alloca (SBYTES (tty_type) + 1);
          strncpy (type, SDATA (tty_type), SBYTES (tty_type));
          type[SBYTES (tty_type)] = 0;
        }

729
      t = init_tty (name, type, 0); /* Errors are not fatal. */
730
    }
731

732
  f = make_terminal_frame (t);
733

734 735
  {
    int width, height;
736
    get_tty_size (fileno (FRAME_TTY (f)->input), &width, &height);
737 738
    change_frame_size (f, height, width, 0, 0, 0);
  }
739

740
  adjust_glyphs (f);
741 742 743
  calculate_costs (f);
  XSETFRAME (frame, f);
  Fmodify_frame_parameters (frame, parms);
744
  Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty_type,
745
                                                 build_string (t->display_info.tty->type)),
746
                                          Qnil));
747 748 749 750 751 752
  if (t->display_info.tty->name != NULL)
    Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty,
                                                   build_string (t->display_info.tty->name)),
                                            Qnil));
  else
    Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty, Qnil), Qnil));
753

754 755
  /* Make the frame face alist be frame-specific, so that each
     frame could change its face definitions independently.  */
756
  f->face_alist = Fcopy_alist (sf->face_alist);
757 758 759 760
  /* 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))
761
    XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
762 763
  return frame;
}
764

Jim Blandy's avatar
Jim Blandy committed
765

766 767 768 769 770 771 772 773 774 775
/* 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
776
   deleted, which includes the possibility that the frame's terminal
777 778 779
   is dead.

   The value of NORECORD is passed as argument to Fselect_window.  */
780

781
Lisp_Object
782
do_switch_frame (Lisp_Object frame, int track, int for_deletion, Lisp_Object norecord)
Jim Blandy's avatar
Jim Blandy committed
783
{
784
  struct frame *sf = SELECTED_FRAME ();
785

786 787 788
  /* If FRAME is a switch-frame event, extract the frame we should
     switch to.  */
  if (CONSP (frame)
789 790 791
      && EQ (XCAR (frame), Qswitch_frame)
      && CONSP (XCDR (frame)))
    frame = XCAR (XCDR (frame));
792

793 794 795
  /* 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.  */
796
  CHECK_FRAME (frame);
797 798
  if (! FRAME_LIVE_P (XFRAME (frame)))
    return Qnil;
Jim Blandy's avatar
Jim Blandy committed
799

800
  if (sf == XFRAME (frame))
Jim Blandy's avatar
Jim Blandy committed
801
    return frame;
Jim Blandy's avatar
Jim Blandy committed
802

803 804 805
  /* This is too greedy; it causes inappropriate focus redirection
     that's hard to get rid of.  */
#if 0
806 807 808 809 810 811 812
  /* 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.  */
813 814 815
  if (track)
    {
      Lisp_Object tail;
816

817
      for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
818 819
	{
	  Lisp_Object focus;
820

821
	  if (!FRAMEP (XCAR (tail)))
822
	    abort ();
823

824
	  focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
825

826
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
827
	    Fredirect_frame_focus (XCAR (tail), frame);
828 829 830 831
	}
    }
#else /* ! 0 */
  /* Instead, apply it only to the frame we're pointing to.  */
832
#ifdef HAVE_WINDOW_SYSTEM
833
  if (track && FRAME_WINDOW_P (XFRAME (frame)))
834 835 836
    {
      Lisp_Object focus, xfocus;

837
      xfocus = x_get_focus_frame (XFRAME (frame));
838 839 840
      if (FRAMEP (xfocus))
	{
	  focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
841
	  if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
842 843 844 845 846
	    Fredirect_frame_focus (xfocus, frame);
	}
    }
#endif /* HAVE_X_WINDOWS */
#endif /* ! 0 */
847

848
  if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
849 850
    resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);

851
  if (FRAME_TERMCAP_P (XFRAME (frame)) || FRAME_MSDOS_P (XFRAME (frame)))
852
    {
853 854 855
      if (FRAMEP (FRAME_TTY (XFRAME (frame))->top_frame))
	/* Mark previously displayed frame as now obscured.  */
	XFRAME (FRAME_TTY (XFRAME (frame))->top_frame)->async_visible = 2;
856 857 858 859
      XFRAME (frame)->async_visible = 1;
      FRAME_TTY (XFRAME (frame))->top_frame = frame;
    }

860 861 862
  selected_frame = frame;
  if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
    last_nonminibuf_frame = XFRAME (selected_frame);
Jim Blandy's avatar
Jim Blandy committed
863

864
  Fselect_window (XFRAME (frame)->selected_window, norecord);
Jim Blandy's avatar
Jim Blandy committed
865