| 1 | /* Generic frame functions. |
| 2 | Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include <config.h> |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #ifdef HAVE_STDLIB_H |
| 25 | #include <stdlib.h> |
| 26 | #endif |
| 27 | #include "lisp.h" |
| 28 | #include "charset.h" |
| 29 | #ifdef HAVE_WINDOW_SYSTEM |
| 30 | #include "fontset.h" |
| 31 | #endif |
| 32 | #include "frame.h" |
| 33 | #include "termhooks.h" |
| 34 | #include "window.h" |
| 35 | #ifdef MSDOS |
| 36 | #include "msdos.h" |
| 37 | #endif |
| 38 | |
| 39 | /* Evaluate this expression to rebuild the section of syms_of_frame |
| 40 | that initializes and staticpros the symbols declared below. Note |
| 41 | that Emacs 18 has a bug that keeps C-x C-e from being able to |
| 42 | evaluate this expression. |
| 43 | |
| 44 | (progn |
| 45 | ;; Accumulate a list of the symbols we want to initialize from the |
| 46 | ;; declarations at the top of the file. |
| 47 | (goto-char (point-min)) |
| 48 | (search-forward "/\*&&& symbols declared here &&&*\/\n") |
| 49 | (let (symbol-list) |
| 50 | (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)") |
| 51 | (setq symbol-list |
| 52 | (cons (buffer-substring (match-beginning 1) (match-end 1)) |
| 53 | symbol-list)) |
| 54 | (forward-line 1)) |
| 55 | (setq symbol-list (nreverse symbol-list)) |
| 56 | ;; Delete the section of syms_of_... where we initialize the symbols. |
| 57 | (search-forward "\n /\*&&& init symbols here &&&*\/\n") |
| 58 | (let ((start (point))) |
| 59 | (while (looking-at "^ Q") |
| 60 | (forward-line 2)) |
| 61 | (kill-region start (point))) |
| 62 | ;; Write a new symbol initialization section. |
| 63 | (while symbol-list |
| 64 | (insert (format " %s = intern (\"" (car symbol-list))) |
| 65 | (let ((start (point))) |
| 66 | (insert (substring (car symbol-list) 1)) |
| 67 | (subst-char-in-region start (point) ?_ ?-)) |
| 68 | (insert (format "\");\n staticpro (&%s);\n" (car symbol-list))) |
| 69 | (setq symbol-list (cdr symbol-list))))) |
| 70 | */ |
| 71 | |
| 72 | /*&&& symbols declared here &&&*/ |
| 73 | Lisp_Object Qframep; |
| 74 | Lisp_Object Qframe_live_p; |
| 75 | Lisp_Object Qheight; |
| 76 | Lisp_Object Qicon; |
| 77 | Lisp_Object Qminibuffer; |
| 78 | Lisp_Object Qmodeline; |
| 79 | Lisp_Object Qname; |
| 80 | Lisp_Object Qonly; |
| 81 | Lisp_Object Qunsplittable; |
| 82 | Lisp_Object Qmenu_bar_lines; |
| 83 | Lisp_Object Qwidth; |
| 84 | Lisp_Object Qx; |
| 85 | Lisp_Object Qw32; |
| 86 | Lisp_Object Qpc; |
| 87 | Lisp_Object Qvisible; |
| 88 | Lisp_Object Qbuffer_predicate; |
| 89 | Lisp_Object Qbuffer_list; |
| 90 | Lisp_Object Qtitle; |
| 91 | |
| 92 | Lisp_Object Vterminal_frame; |
| 93 | Lisp_Object Vdefault_frame_alist; |
| 94 | |
| 95 | static void |
| 96 | syms_of_frame_1 () |
| 97 | { |
| 98 | /*&&& init symbols here &&&*/ |
| 99 | Qframep = intern ("framep"); |
| 100 | staticpro (&Qframep); |
| 101 | Qframe_live_p = intern ("frame-live-p"); |
| 102 | staticpro (&Qframe_live_p); |
| 103 | Qheight = intern ("height"); |
| 104 | staticpro (&Qheight); |
| 105 | Qicon = intern ("icon"); |
| 106 | staticpro (&Qicon); |
| 107 | Qminibuffer = intern ("minibuffer"); |
| 108 | staticpro (&Qminibuffer); |
| 109 | Qmodeline = intern ("modeline"); |
| 110 | staticpro (&Qmodeline); |
| 111 | Qname = intern ("name"); |
| 112 | staticpro (&Qname); |
| 113 | Qonly = intern ("only"); |
| 114 | staticpro (&Qonly); |
| 115 | Qunsplittable = intern ("unsplittable"); |
| 116 | staticpro (&Qunsplittable); |
| 117 | Qmenu_bar_lines = intern ("menu-bar-lines"); |
| 118 | staticpro (&Qmenu_bar_lines); |
| 119 | Qwidth = intern ("width"); |
| 120 | staticpro (&Qwidth); |
| 121 | Qx = intern ("x"); |
| 122 | staticpro (&Qx); |
| 123 | Qw32 = intern ("w32"); |
| 124 | staticpro (&Qw32); |
| 125 | Qpc = intern ("pc"); |
| 126 | staticpro (&Qpc); |
| 127 | Qvisible = intern ("visible"); |
| 128 | staticpro (&Qvisible); |
| 129 | Qbuffer_predicate = intern ("buffer-predicate"); |
| 130 | staticpro (&Qbuffer_predicate); |
| 131 | Qbuffer_list = intern ("buffer-list"); |
| 132 | staticpro (&Qbuffer_list); |
| 133 | Qtitle = intern ("title"); |
| 134 | staticpro (&Qtitle); |
| 135 | |
| 136 | DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist, |
| 137 | "Alist of default values for frame creation.\n\ |
| 138 | These may be set in your init file, like this:\n\ |
| 139 | (setq default-frame-alist '((width . 80) (height . 55) (menu-bar-lines . 1))\n\ |
| 140 | These override values given in window system configuration data,\n\ |
| 141 | including X Windows' defaults database.\n\ |
| 142 | For values specific to the first Emacs frame, see `initial-frame-alist'.\n\ |
| 143 | For values specific to the separate minibuffer frame, see\n\ |
| 144 | `minibuffer-frame-alist'.\n\ |
| 145 | The `menu-bar-lines' element of the list controls whether new frames\n\ |
| 146 | have menu bars; `menu-bar-mode' works by altering this element."); |
| 147 | Vdefault_frame_alist = Qnil; |
| 148 | } |
| 149 | \f |
| 150 | static void |
| 151 | set_menu_bar_lines_1 (window, n) |
| 152 | Lisp_Object window; |
| 153 | int n; |
| 154 | { |
| 155 | struct window *w = XWINDOW (window); |
| 156 | |
| 157 | XSETFASTINT (w->last_modified, 0); |
| 158 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
| 159 | XSETFASTINT (w->height, XFASTINT (w->height) - n); |
| 160 | |
| 161 | /* Handle just the top child in a vertical split. */ |
| 162 | if (!NILP (w->vchild)) |
| 163 | set_menu_bar_lines_1 (w->vchild, n); |
| 164 | |
| 165 | /* Adjust all children in a horizontal split. */ |
| 166 | for (window = w->hchild; !NILP (window); window = w->next) |
| 167 | { |
| 168 | w = XWINDOW (window); |
| 169 | set_menu_bar_lines_1 (window, n); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | void |
| 174 | set_menu_bar_lines (f, value, oldval) |
| 175 | struct frame *f; |
| 176 | Lisp_Object value, oldval; |
| 177 | { |
| 178 | int nlines; |
| 179 | int olines = FRAME_MENU_BAR_LINES (f); |
| 180 | |
| 181 | /* Right now, menu bars don't work properly in minibuf-only frames; |
| 182 | most of the commands try to apply themselves to the minibuffer |
| 183 | frame itself, and get an error because you can't switch buffers |
| 184 | in or split the minibuffer window. */ |
| 185 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 186 | return; |
| 187 | |
| 188 | if (INTEGERP (value)) |
| 189 | nlines = XINT (value); |
| 190 | else |
| 191 | nlines = 0; |
| 192 | |
| 193 | if (nlines != olines) |
| 194 | { |
| 195 | windows_or_buffers_changed++; |
| 196 | FRAME_WINDOW_SIZES_CHANGED (f) = 1; |
| 197 | FRAME_MENU_BAR_LINES (f) = nlines; |
| 198 | set_menu_bar_lines_1 (f->root_window, nlines - olines); |
| 199 | } |
| 200 | } |
| 201 | \f |
| 202 | #include "buffer.h" |
| 203 | |
| 204 | /* These help us bind and responding to switch-frame events. */ |
| 205 | #include "commands.h" |
| 206 | #include "keyboard.h" |
| 207 | |
| 208 | Lisp_Object Vemacs_iconified; |
| 209 | Lisp_Object Vframe_list; |
| 210 | |
| 211 | extern Lisp_Object Vminibuffer_list; |
| 212 | extern Lisp_Object get_minibuffer (); |
| 213 | extern Lisp_Object Fhandle_switch_frame (); |
| 214 | extern Lisp_Object Fredirect_frame_focus (); |
| 215 | extern Lisp_Object x_get_focus_frame (); |
| 216 | \f |
| 217 | DEFUN ("framep", Fframep, Sframep, 1, 1, 0, |
| 218 | "Return non-nil if OBJECT is a frame.\n\ |
| 219 | Value is t for a termcap frame (a character-only terminal),\n\ |
| 220 | `x' for an Emacs frame that is really an X window,\n\ |
| 221 | `pc' for a direct-write MS-DOS frame.\n\ |
| 222 | See also `frame-live-p'.") |
| 223 | (object) |
| 224 | Lisp_Object object; |
| 225 | { |
| 226 | if (!FRAMEP (object)) |
| 227 | return Qnil; |
| 228 | switch (XFRAME (object)->output_method) |
| 229 | { |
| 230 | case output_termcap: |
| 231 | return Qt; |
| 232 | case output_x_window: |
| 233 | return Qx; |
| 234 | case output_w32: |
| 235 | return Qw32; |
| 236 | case output_msdos_raw: |
| 237 | return Qpc; |
| 238 | default: |
| 239 | abort (); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0, |
| 244 | "Return non-nil if OBJECT is a frame which has not been deleted.\n\ |
| 245 | Value is nil if OBJECT is not a live frame. If object is a live\n\ |
| 246 | frame, the return value indicates what sort of output device it is\n\ |
| 247 | displayed on. Value is t for a termcap frame (a character-only\n\ |
| 248 | terminal), `x' for an Emacs frame being displayed in an X window.") |
| 249 | (object) |
| 250 | Lisp_Object object; |
| 251 | { |
| 252 | return ((FRAMEP (object) |
| 253 | && FRAME_LIVE_P (XFRAME (object))) |
| 254 | ? Fframep (object) |
| 255 | : Qnil); |
| 256 | } |
| 257 | |
| 258 | struct frame * |
| 259 | make_frame (mini_p) |
| 260 | int mini_p; |
| 261 | { |
| 262 | Lisp_Object frame; |
| 263 | register struct frame *f; |
| 264 | register Lisp_Object root_window; |
| 265 | register Lisp_Object mini_window; |
| 266 | register struct Lisp_Vector *vec; |
| 267 | int i; |
| 268 | |
| 269 | vec = allocate_vectorlike ((EMACS_INT) VECSIZE (struct frame)); |
| 270 | for (i = 0; i < VECSIZE (struct frame); i++) |
| 271 | XSETFASTINT (vec->contents[i], 0); |
| 272 | vec->size = VECSIZE (struct frame); |
| 273 | f = (struct frame *)vec; |
| 274 | XSETFRAME (frame, f); |
| 275 | |
| 276 | f->cursor_x = 0; |
| 277 | f->cursor_y = 0; |
| 278 | f->current_glyphs = 0; |
| 279 | f->desired_glyphs = 0; |
| 280 | f->visible = 0; |
| 281 | f->async_visible = 0; |
| 282 | f->output_data.nothing = 0; |
| 283 | f->iconified = 0; |
| 284 | f->async_iconified = 0; |
| 285 | f->wants_modeline = 1; |
| 286 | f->auto_raise = 0; |
| 287 | f->auto_lower = 0; |
| 288 | f->no_split = 0; |
| 289 | f->garbaged = 0; |
| 290 | f->has_minibuffer = mini_p; |
| 291 | f->focus_frame = Qnil; |
| 292 | f->explicit_name = 0; |
| 293 | f->can_have_scroll_bars = 0; |
| 294 | f->vertical_scroll_bar_type = vertical_scroll_bar_none; |
| 295 | f->param_alist = Qnil; |
| 296 | f->scroll_bars = Qnil; |
| 297 | f->condemned_scroll_bars = Qnil; |
| 298 | f->face_alist = Qnil; |
| 299 | f->menu_bar_items = Qnil; |
| 300 | f->menu_bar_vector = Qnil; |
| 301 | f->menu_bar_items_used = 0; |
| 302 | f->buffer_predicate = Qnil; |
| 303 | f->buffer_list = Qnil; |
| 304 | #ifdef MULTI_KBOARD |
| 305 | f->kboard = initial_kboard; |
| 306 | #endif |
| 307 | f->namebuf = 0; |
| 308 | f->title = Qnil; |
| 309 | |
| 310 | root_window = make_window (); |
| 311 | if (mini_p) |
| 312 | { |
| 313 | mini_window = make_window (); |
| 314 | XWINDOW (root_window)->next = mini_window; |
| 315 | XWINDOW (mini_window)->prev = root_window; |
| 316 | XWINDOW (mini_window)->mini_p = Qt; |
| 317 | XWINDOW (mini_window)->frame = frame; |
| 318 | f->minibuffer_window = mini_window; |
| 319 | } |
| 320 | else |
| 321 | { |
| 322 | mini_window = Qnil; |
| 323 | XWINDOW (root_window)->next = Qnil; |
| 324 | f->minibuffer_window = Qnil; |
| 325 | } |
| 326 | |
| 327 | XWINDOW (root_window)->frame = frame; |
| 328 | |
| 329 | /* 10 is arbitrary, |
| 330 | just so that there is "something there." |
| 331 | Correct size will be set up later with change_frame_size. */ |
| 332 | |
| 333 | SET_FRAME_WIDTH (f, 10); |
| 334 | f->height = 10; |
| 335 | |
| 336 | XSETFASTINT (XWINDOW (root_window)->width, 10); |
| 337 | XSETFASTINT (XWINDOW (root_window)->height, (mini_p ? 9 : 10)); |
| 338 | |
| 339 | if (mini_p) |
| 340 | { |
| 341 | XSETFASTINT (XWINDOW (mini_window)->width, 10); |
| 342 | XSETFASTINT (XWINDOW (mini_window)->top, 9); |
| 343 | XSETFASTINT (XWINDOW (mini_window)->height, 1); |
| 344 | } |
| 345 | |
| 346 | /* Choose a buffer for the frame's root window. */ |
| 347 | { |
| 348 | Lisp_Object buf; |
| 349 | |
| 350 | XWINDOW (root_window)->buffer = Qt; |
| 351 | buf = Fcurrent_buffer (); |
| 352 | /* If buf is a 'hidden' buffer (i.e. one whose name starts with |
| 353 | a space), try to find another one. */ |
| 354 | if (XSTRING (Fbuffer_name (buf))->data[0] == ' ') |
| 355 | buf = Fother_buffer (buf, Qnil); |
| 356 | Fset_window_buffer (root_window, buf); |
| 357 | |
| 358 | f->buffer_list = Fcons (buf, Qnil); |
| 359 | } |
| 360 | |
| 361 | if (mini_p) |
| 362 | { |
| 363 | XWINDOW (mini_window)->buffer = Qt; |
| 364 | Fset_window_buffer (mini_window, |
| 365 | (NILP (Vminibuffer_list) |
| 366 | ? get_minibuffer (0) |
| 367 | : Fcar (Vminibuffer_list))); |
| 368 | } |
| 369 | |
| 370 | f->root_window = root_window; |
| 371 | f->selected_window = root_window; |
| 372 | /* Make sure this window seems more recently used than |
| 373 | a newly-created, never-selected window. */ |
| 374 | XSETFASTINT (XWINDOW (f->selected_window)->use_time, ++window_select_count); |
| 375 | |
| 376 | #ifdef HAVE_WINDOW_SYSTEM |
| 377 | f->fontset_data = alloc_fontset_data (); |
| 378 | #endif |
| 379 | |
| 380 | return f; |
| 381 | } |
| 382 | \f |
| 383 | /* Make a frame using a separate minibuffer window on another frame. |
| 384 | MINI_WINDOW is the minibuffer window to use. nil means use the |
| 385 | default (the global minibuffer). */ |
| 386 | |
| 387 | struct frame * |
| 388 | make_frame_without_minibuffer (mini_window, kb, display) |
| 389 | register Lisp_Object mini_window; |
| 390 | KBOARD *kb; |
| 391 | Lisp_Object display; |
| 392 | { |
| 393 | register struct frame *f; |
| 394 | struct gcpro gcpro1; |
| 395 | |
| 396 | if (!NILP (mini_window)) |
| 397 | CHECK_LIVE_WINDOW (mini_window, 0); |
| 398 | |
| 399 | #ifdef MULTI_KBOARD |
| 400 | if (!NILP (mini_window) |
| 401 | && XFRAME (XWINDOW (mini_window)->frame)->kboard != kb) |
| 402 | error ("frame and minibuffer must be on the same display"); |
| 403 | #endif |
| 404 | |
| 405 | /* Make a frame containing just a root window. */ |
| 406 | f = make_frame (0); |
| 407 | |
| 408 | if (NILP (mini_window)) |
| 409 | { |
| 410 | /* Use default-minibuffer-frame if possible. */ |
| 411 | if (!FRAMEP (kb->Vdefault_minibuffer_frame) |
| 412 | || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame))) |
| 413 | { |
| 414 | Lisp_Object frame_dummy; |
| 415 | |
| 416 | XSETFRAME (frame_dummy, f); |
| 417 | GCPRO1 (frame_dummy); |
| 418 | /* If there's no minibuffer frame to use, create one. */ |
| 419 | kb->Vdefault_minibuffer_frame = |
| 420 | call1 (intern ("make-initial-minibuffer-frame"), display); |
| 421 | UNGCPRO; |
| 422 | } |
| 423 | |
| 424 | mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window; |
| 425 | } |
| 426 | |
| 427 | f->minibuffer_window = mini_window; |
| 428 | |
| 429 | /* Make the chosen minibuffer window display the proper minibuffer, |
| 430 | unless it is already showing a minibuffer. */ |
| 431 | if (NILP (Fmemq (XWINDOW (mini_window)->buffer, Vminibuffer_list))) |
| 432 | Fset_window_buffer (mini_window, |
| 433 | (NILP (Vminibuffer_list) |
| 434 | ? get_minibuffer (0) |
| 435 | : Fcar (Vminibuffer_list))); |
| 436 | return f; |
| 437 | } |
| 438 | |
| 439 | /* Make a frame containing only a minibuffer window. */ |
| 440 | |
| 441 | struct frame * |
| 442 | make_minibuffer_frame () |
| 443 | { |
| 444 | /* First make a frame containing just a root window, no minibuffer. */ |
| 445 | |
| 446 | register struct frame *f = make_frame (0); |
| 447 | register Lisp_Object mini_window; |
| 448 | register Lisp_Object frame; |
| 449 | |
| 450 | XSETFRAME (frame, f); |
| 451 | |
| 452 | f->auto_raise = 0; |
| 453 | f->auto_lower = 0; |
| 454 | f->no_split = 1; |
| 455 | f->wants_modeline = 0; |
| 456 | f->has_minibuffer = 1; |
| 457 | |
| 458 | /* Now label the root window as also being the minibuffer. |
| 459 | Avoid infinite looping on the window chain by marking next pointer |
| 460 | as nil. */ |
| 461 | |
| 462 | mini_window = f->minibuffer_window = f->root_window; |
| 463 | XWINDOW (mini_window)->mini_p = Qt; |
| 464 | XWINDOW (mini_window)->next = Qnil; |
| 465 | XWINDOW (mini_window)->prev = Qnil; |
| 466 | XWINDOW (mini_window)->frame = frame; |
| 467 | |
| 468 | /* Put the proper buffer in that window. */ |
| 469 | |
| 470 | Fset_window_buffer (mini_window, |
| 471 | (NILP (Vminibuffer_list) |
| 472 | ? get_minibuffer (0) |
| 473 | : Fcar (Vminibuffer_list))); |
| 474 | return f; |
| 475 | } |
| 476 | \f |
| 477 | /* Construct a frame that refers to the terminal (stdin and stdout). */ |
| 478 | |
| 479 | static int terminal_frame_count; |
| 480 | |
| 481 | struct frame * |
| 482 | make_terminal_frame () |
| 483 | { |
| 484 | register struct frame *f; |
| 485 | Lisp_Object frame; |
| 486 | char name[20]; |
| 487 | |
| 488 | #ifdef MULTI_KBOARD |
| 489 | if (!initial_kboard) |
| 490 | { |
| 491 | initial_kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); |
| 492 | init_kboard (initial_kboard); |
| 493 | initial_kboard->next_kboard = all_kboards; |
| 494 | all_kboards = initial_kboard; |
| 495 | } |
| 496 | #endif |
| 497 | |
| 498 | /* The first call must initialize Vframe_list. */ |
| 499 | if (! (NILP (Vframe_list) || CONSP (Vframe_list))) |
| 500 | Vframe_list = Qnil; |
| 501 | |
| 502 | f = make_frame (1); |
| 503 | |
| 504 | XSETFRAME (frame, f); |
| 505 | Vframe_list = Fcons (frame, Vframe_list); |
| 506 | |
| 507 | terminal_frame_count++; |
| 508 | sprintf (name, "F%d", terminal_frame_count); |
| 509 | f->name = build_string (name); |
| 510 | |
| 511 | f->visible = 1; /* FRAME_SET_VISIBLE wd set frame_garbaged. */ |
| 512 | f->async_visible = 1; /* Don't let visible be cleared later. */ |
| 513 | #ifdef MSDOS |
| 514 | f->output_data.x = &the_only_x_display; |
| 515 | f->output_method = output_msdos_raw; |
| 516 | init_frame_faces (f); |
| 517 | #else /* not MSDOS */ |
| 518 | f->output_data.nothing = 1; /* Nonzero means frame isn't deleted. */ |
| 519 | #endif |
| 520 | return f; |
| 521 | } |
| 522 | |
| 523 | DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame, |
| 524 | 1, 1, 0, "Create an additional terminal frame.\n\ |
| 525 | You can create multiple frames on a text-only terminal in this way.\n\ |
| 526 | Only the selected terminal frame is actually displayed.\n\ |
| 527 | This function takes one argument, an alist specifying frame parameters.\n\ |
| 528 | In practice, generally you don't need to specify any parameters.\n\ |
| 529 | Note that changing the size of one terminal frame automatically affects all.") |
| 530 | (parms) |
| 531 | Lisp_Object parms; |
| 532 | { |
| 533 | struct frame *f; |
| 534 | Lisp_Object frame; |
| 535 | |
| 536 | #ifdef MSDOS |
| 537 | if (selected_frame->output_method != output_msdos_raw) |
| 538 | abort (); |
| 539 | #else |
| 540 | if (selected_frame->output_method != output_termcap) |
| 541 | error ("Not using an ASCII terminal now; cannot make a new ASCII frame"); |
| 542 | #endif |
| 543 | |
| 544 | f = make_terminal_frame (); |
| 545 | change_frame_size (f, FRAME_HEIGHT (selected_frame), |
| 546 | FRAME_WIDTH (selected_frame), 0, 0); |
| 547 | remake_frame_glyphs (f); |
| 548 | calculate_costs (f); |
| 549 | XSETFRAME (frame, f); |
| 550 | Fmodify_frame_parameters (frame, Vdefault_frame_alist); |
| 551 | Fmodify_frame_parameters (frame, parms); |
| 552 | f->face_alist = selected_frame->face_alist; |
| 553 | return frame; |
| 554 | } |
| 555 | \f |
| 556 | Lisp_Object |
| 557 | do_switch_frame (frame, no_enter, track) |
| 558 | Lisp_Object frame, no_enter; |
| 559 | int track; |
| 560 | { |
| 561 | /* If FRAME is a switch-frame event, extract the frame we should |
| 562 | switch to. */ |
| 563 | if (CONSP (frame) |
| 564 | && EQ (XCONS (frame)->car, Qswitch_frame) |
| 565 | && CONSP (XCONS (frame)->cdr)) |
| 566 | frame = XCONS (XCONS (frame)->cdr)->car; |
| 567 | |
| 568 | /* This used to say CHECK_LIVE_FRAME, but apparently it's possible for |
| 569 | a switch-frame event to arrive after a frame is no longer live, |
| 570 | especially when deleting the initial frame during startup. */ |
| 571 | CHECK_FRAME (frame, 0); |
| 572 | if (! FRAME_LIVE_P (XFRAME (frame))) |
| 573 | return Qnil; |
| 574 | |
| 575 | if (selected_frame == XFRAME (frame)) |
| 576 | return frame; |
| 577 | |
| 578 | /* This is too greedy; it causes inappropriate focus redirection |
| 579 | that's hard to get rid of. */ |
| 580 | #if 0 |
| 581 | /* If a frame's focus has been redirected toward the currently |
| 582 | selected frame, we should change the redirection to point to the |
| 583 | newly selected frame. This means that if the focus is redirected |
| 584 | from a minibufferless frame to a surrogate minibuffer frame, we |
| 585 | can use `other-window' to switch between all the frames using |
| 586 | that minibuffer frame, and the focus redirection will follow us |
| 587 | around. */ |
| 588 | if (track) |
| 589 | { |
| 590 | Lisp_Object tail; |
| 591 | |
| 592 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 593 | { |
| 594 | Lisp_Object focus; |
| 595 | |
| 596 | if (!FRAMEP (XCONS (tail)->car)) |
| 597 | abort (); |
| 598 | |
| 599 | focus = FRAME_FOCUS_FRAME (XFRAME (XCONS (tail)->car)); |
| 600 | |
| 601 | if (FRAMEP (focus) && XFRAME (focus) == selected_frame) |
| 602 | Fredirect_frame_focus (XCONS (tail)->car, frame); |
| 603 | } |
| 604 | } |
| 605 | #else /* ! 0 */ |
| 606 | /* Instead, apply it only to the frame we're pointing to. */ |
| 607 | #ifdef HAVE_WINDOW_SYSTEM |
| 608 | if (track && (FRAME_WINDOW_P (XFRAME (frame)))) |
| 609 | { |
| 610 | Lisp_Object focus, xfocus; |
| 611 | |
| 612 | xfocus = x_get_focus_frame (XFRAME (frame)); |
| 613 | if (FRAMEP (xfocus)) |
| 614 | { |
| 615 | focus = FRAME_FOCUS_FRAME (XFRAME (xfocus)); |
| 616 | if (FRAMEP (focus) && XFRAME (focus) == selected_frame) |
| 617 | Fredirect_frame_focus (xfocus, frame); |
| 618 | } |
| 619 | } |
| 620 | #endif /* HAVE_X_WINDOWS */ |
| 621 | #endif /* ! 0 */ |
| 622 | |
| 623 | selected_frame = XFRAME (frame); |
| 624 | if (! FRAME_MINIBUF_ONLY_P (selected_frame)) |
| 625 | last_nonminibuf_frame = selected_frame; |
| 626 | |
| 627 | Fselect_window (XFRAME (frame)->selected_window); |
| 628 | |
| 629 | /* We want to make sure that the next event generates a frame-switch |
| 630 | event to the appropriate frame. This seems kludgy to me, but |
| 631 | before you take it out, make sure that evaluating something like |
| 632 | (select-window (frame-root-window (new-frame))) doesn't end up |
| 633 | with your typing being interpreted in the new frame instead of |
| 634 | the one you're actually typing in. */ |
| 635 | internal_last_event_frame = Qnil; |
| 636 | |
| 637 | return frame; |
| 638 | } |
| 639 | |
| 640 | DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, "e", |
| 641 | "Select the frame FRAME.\n\ |
| 642 | Subsequent editing commands apply to its selected window.\n\ |
| 643 | The selection of FRAME lasts until the next time the user does\n\ |
| 644 | something to select a different frame, or until the next time this\n\ |
| 645 | function is called.") |
| 646 | (frame, no_enter) |
| 647 | Lisp_Object frame, no_enter; |
| 648 | { |
| 649 | return do_switch_frame (frame, no_enter, 1); |
| 650 | } |
| 651 | |
| 652 | |
| 653 | DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 2, "e", |
| 654 | "Handle a switch-frame event EVENT.\n\ |
| 655 | Switch-frame events are usually bound to this function.\n\ |
| 656 | A switch-frame event tells Emacs that the window manager has requested\n\ |
| 657 | that the user's events be directed to the frame mentioned in the event.\n\ |
| 658 | This function selects the selected window of the frame of EVENT.\n\ |
| 659 | \n\ |
| 660 | If EVENT is frame object, handle it as if it were a switch-frame event\n\ |
| 661 | to that frame.") |
| 662 | (event, no_enter) |
| 663 | Lisp_Object event, no_enter; |
| 664 | { |
| 665 | /* Preserve prefix arg that the command loop just cleared. */ |
| 666 | current_kboard->Vprefix_arg = Vcurrent_prefix_arg; |
| 667 | call1 (Vrun_hooks, Qmouse_leave_buffer_hook); |
| 668 | return do_switch_frame (event, no_enter, 0); |
| 669 | } |
| 670 | |
| 671 | DEFUN ("ignore-event", Fignore_event, Signore_event, 0, 0, "", |
| 672 | "Do nothing, but preserve any prefix argument already specified.\n\ |
| 673 | This is a suitable binding for iconify-frame and make-frame-visible.") |
| 674 | () |
| 675 | { |
| 676 | current_kboard->Vprefix_arg = Vcurrent_prefix_arg; |
| 677 | return Qnil; |
| 678 | } |
| 679 | |
| 680 | DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0, |
| 681 | "Return the frame that is now selected.") |
| 682 | () |
| 683 | { |
| 684 | Lisp_Object tem; |
| 685 | XSETFRAME (tem, selected_frame); |
| 686 | return tem; |
| 687 | } |
| 688 | \f |
| 689 | DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0, |
| 690 | "Return the frame object that window WINDOW is on.") |
| 691 | (window) |
| 692 | Lisp_Object window; |
| 693 | { |
| 694 | CHECK_LIVE_WINDOW (window, 0); |
| 695 | return XWINDOW (window)->frame; |
| 696 | } |
| 697 | |
| 698 | DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0, |
| 699 | "Returns the topmost, leftmost window of FRAME.\n\ |
| 700 | If omitted, FRAME defaults to the currently selected frame.") |
| 701 | (frame) |
| 702 | Lisp_Object frame; |
| 703 | { |
| 704 | Lisp_Object w; |
| 705 | |
| 706 | if (NILP (frame)) |
| 707 | w = selected_frame->root_window; |
| 708 | else |
| 709 | { |
| 710 | CHECK_LIVE_FRAME (frame, 0); |
| 711 | w = XFRAME (frame)->root_window; |
| 712 | } |
| 713 | while (NILP (XWINDOW (w)->buffer)) |
| 714 | { |
| 715 | if (! NILP (XWINDOW (w)->hchild)) |
| 716 | w = XWINDOW (w)->hchild; |
| 717 | else if (! NILP (XWINDOW (w)->vchild)) |
| 718 | w = XWINDOW (w)->vchild; |
| 719 | else |
| 720 | abort (); |
| 721 | } |
| 722 | return w; |
| 723 | } |
| 724 | |
| 725 | DEFUN ("active-minibuffer-window", Factive_minibuffer_window, |
| 726 | Sactive_minibuffer_window, 0, 0, 0, |
| 727 | "Return the currently active minibuffer window, or nil if none.") |
| 728 | () |
| 729 | { |
| 730 | return minibuf_level ? minibuf_window : Qnil; |
| 731 | } |
| 732 | |
| 733 | DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0, |
| 734 | "Returns the root-window of FRAME.\n\ |
| 735 | If omitted, FRAME defaults to the currently selected frame.") |
| 736 | (frame) |
| 737 | Lisp_Object frame; |
| 738 | { |
| 739 | if (NILP (frame)) |
| 740 | XSETFRAME (frame, selected_frame); |
| 741 | else |
| 742 | CHECK_LIVE_FRAME (frame, 0); |
| 743 | |
| 744 | return XFRAME (frame)->root_window; |
| 745 | } |
| 746 | |
| 747 | DEFUN ("frame-selected-window", Fframe_selected_window, |
| 748 | Sframe_selected_window, 0, 1, 0, |
| 749 | "Return the selected window of frame object FRAME.\n\ |
| 750 | If omitted, FRAME defaults to the currently selected frame.") |
| 751 | (frame) |
| 752 | Lisp_Object frame; |
| 753 | { |
| 754 | if (NILP (frame)) |
| 755 | XSETFRAME (frame, selected_frame); |
| 756 | else |
| 757 | CHECK_LIVE_FRAME (frame, 0); |
| 758 | |
| 759 | return XFRAME (frame)->selected_window; |
| 760 | } |
| 761 | |
| 762 | DEFUN ("set-frame-selected-window", Fset_frame_selected_window, |
| 763 | Sset_frame_selected_window, 2, 2, 0, |
| 764 | "Set the selected window of frame object FRAME to WINDOW.\n\ |
| 765 | If FRAME is nil, the selected frame is used.\n\ |
| 766 | If FRAME is the selected frame, this makes WINDOW the selected window.") |
| 767 | (frame, window) |
| 768 | Lisp_Object frame, window; |
| 769 | { |
| 770 | if (NILP (frame)) |
| 771 | XSETFRAME (frame, selected_frame); |
| 772 | else |
| 773 | CHECK_LIVE_FRAME (frame, 0); |
| 774 | |
| 775 | CHECK_LIVE_WINDOW (window, 1); |
| 776 | |
| 777 | if (! EQ (frame, WINDOW_FRAME (XWINDOW (window)))) |
| 778 | error ("In `set-frame-selected-window', WINDOW is not on FRAME"); |
| 779 | |
| 780 | if (XFRAME (frame) == selected_frame) |
| 781 | return Fselect_window (window); |
| 782 | |
| 783 | return XFRAME (frame)->selected_window = window; |
| 784 | } |
| 785 | \f |
| 786 | DEFUN ("frame-list", Fframe_list, Sframe_list, |
| 787 | 0, 0, 0, |
| 788 | "Return a list of all frames.") |
| 789 | () |
| 790 | { |
| 791 | return Fcopy_sequence (Vframe_list); |
| 792 | } |
| 793 | |
| 794 | /* Return the next frame in the frame list after FRAME. |
| 795 | If MINIBUF is nil, exclude minibuffer-only frames. |
| 796 | If MINIBUF is a window, include only its own frame |
| 797 | and any frame now using that window as the minibuffer. |
| 798 | If MINIBUF is `visible', include all visible frames. |
| 799 | If MINIBUF is 0, include all visible and iconified frames. |
| 800 | Otherwise, include all frames. */ |
| 801 | |
| 802 | Lisp_Object |
| 803 | next_frame (frame, minibuf) |
| 804 | Lisp_Object frame; |
| 805 | Lisp_Object minibuf; |
| 806 | { |
| 807 | Lisp_Object tail; |
| 808 | int passed = 0; |
| 809 | |
| 810 | /* There must always be at least one frame in Vframe_list. */ |
| 811 | if (! CONSP (Vframe_list)) |
| 812 | abort (); |
| 813 | |
| 814 | /* If this frame is dead, it won't be in Vframe_list, and we'll loop |
| 815 | forever. Forestall that. */ |
| 816 | CHECK_LIVE_FRAME (frame, 0); |
| 817 | |
| 818 | while (1) |
| 819 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 820 | { |
| 821 | Lisp_Object f; |
| 822 | |
| 823 | f = XCONS (tail)->car; |
| 824 | |
| 825 | if (passed |
| 826 | && FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame))) |
| 827 | { |
| 828 | /* Decide whether this frame is eligible to be returned. */ |
| 829 | |
| 830 | /* If we've looped all the way around without finding any |
| 831 | eligible frames, return the original frame. */ |
| 832 | if (EQ (f, frame)) |
| 833 | return f; |
| 834 | |
| 835 | /* Let minibuf decide if this frame is acceptable. */ |
| 836 | if (NILP (minibuf)) |
| 837 | { |
| 838 | if (! FRAME_MINIBUF_ONLY_P (XFRAME (f))) |
| 839 | return f; |
| 840 | } |
| 841 | else if (EQ (minibuf, Qvisible)) |
| 842 | { |
| 843 | FRAME_SAMPLE_VISIBILITY (XFRAME (f)); |
| 844 | if (FRAME_VISIBLE_P (XFRAME (f))) |
| 845 | return f; |
| 846 | } |
| 847 | else if (XFASTINT (minibuf) == 0) |
| 848 | { |
| 849 | FRAME_SAMPLE_VISIBILITY (XFRAME (f)); |
| 850 | if (FRAME_VISIBLE_P (XFRAME (f)) |
| 851 | || FRAME_ICONIFIED_P (XFRAME (f))) |
| 852 | return f; |
| 853 | } |
| 854 | else if (WINDOWP (minibuf)) |
| 855 | { |
| 856 | if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf) |
| 857 | /* Check that F either is, or has forwarded its focus to, |
| 858 | MINIBUF's frame. */ |
| 859 | && (EQ (WINDOW_FRAME (XWINDOW (minibuf)), f) |
| 860 | || EQ (WINDOW_FRAME (XWINDOW (minibuf)), |
| 861 | FRAME_FOCUS_FRAME (XFRAME (f))))) |
| 862 | return f; |
| 863 | } |
| 864 | else |
| 865 | return f; |
| 866 | } |
| 867 | |
| 868 | if (EQ (frame, f)) |
| 869 | passed++; |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | /* Return the previous frame in the frame list before FRAME. |
| 874 | If MINIBUF is nil, exclude minibuffer-only frames. |
| 875 | If MINIBUF is a window, include only its own frame |
| 876 | and any frame now using that window as the minibuffer. |
| 877 | If MINIBUF is `visible', include all visible frames. |
| 878 | If MINIBUF is 0, include all visible and iconified frames. |
| 879 | Otherwise, include all frames. */ |
| 880 | |
| 881 | Lisp_Object |
| 882 | prev_frame (frame, minibuf) |
| 883 | Lisp_Object frame; |
| 884 | Lisp_Object minibuf; |
| 885 | { |
| 886 | Lisp_Object tail; |
| 887 | Lisp_Object prev; |
| 888 | |
| 889 | /* There must always be at least one frame in Vframe_list. */ |
| 890 | if (! CONSP (Vframe_list)) |
| 891 | abort (); |
| 892 | |
| 893 | prev = Qnil; |
| 894 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 895 | { |
| 896 | Lisp_Object f; |
| 897 | |
| 898 | f = XCONS (tail)->car; |
| 899 | if (!FRAMEP (f)) |
| 900 | abort (); |
| 901 | |
| 902 | if (EQ (frame, f) && !NILP (prev)) |
| 903 | return prev; |
| 904 | |
| 905 | if (FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame))) |
| 906 | { |
| 907 | /* Decide whether this frame is eligible to be returned, |
| 908 | according to minibuf. */ |
| 909 | if (NILP (minibuf)) |
| 910 | { |
| 911 | if (! FRAME_MINIBUF_ONLY_P (XFRAME (f))) |
| 912 | prev = f; |
| 913 | } |
| 914 | else if (WINDOWP (minibuf)) |
| 915 | { |
| 916 | if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf) |
| 917 | /* Check that F either is, or has forwarded its focus to, |
| 918 | MINIBUF's frame. */ |
| 919 | && (EQ (WINDOW_FRAME (XWINDOW (minibuf)), f) |
| 920 | || EQ (WINDOW_FRAME (XWINDOW (minibuf)), |
| 921 | FRAME_FOCUS_FRAME (XFRAME (f))))) |
| 922 | prev = f; |
| 923 | } |
| 924 | else if (EQ (minibuf, Qvisible)) |
| 925 | { |
| 926 | FRAME_SAMPLE_VISIBILITY (XFRAME (f)); |
| 927 | if (FRAME_VISIBLE_P (XFRAME (f))) |
| 928 | prev = f; |
| 929 | } |
| 930 | else if (XFASTINT (minibuf) == 0) |
| 931 | { |
| 932 | FRAME_SAMPLE_VISIBILITY (XFRAME (f)); |
| 933 | if (FRAME_VISIBLE_P (XFRAME (f)) |
| 934 | || FRAME_ICONIFIED_P (XFRAME (f))) |
| 935 | prev = f; |
| 936 | } |
| 937 | else |
| 938 | prev = f; |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | /* We've scanned the entire list. */ |
| 943 | if (NILP (prev)) |
| 944 | /* We went through the whole frame list without finding a single |
| 945 | acceptable frame. Return the original frame. */ |
| 946 | return frame; |
| 947 | else |
| 948 | /* There were no acceptable frames in the list before FRAME; otherwise, |
| 949 | we would have returned directly from the loop. Since PREV is the last |
| 950 | acceptable frame in the list, return it. */ |
| 951 | return prev; |
| 952 | } |
| 953 | |
| 954 | |
| 955 | DEFUN ("next-frame", Fnext_frame, Snext_frame, 0, 2, 0, |
| 956 | "Return the next frame in the frame list after FRAME.\n\ |
| 957 | It considers only frames on the same terminal as FRAME.\n\ |
| 958 | By default, skip minibuffer-only frames.\n\ |
| 959 | If omitted, FRAME defaults to the selected frame.\n\ |
| 960 | If optional argument MINIFRAME is nil, exclude minibuffer-only frames.\n\ |
| 961 | If MINIFRAME is a window, include only its own frame\n\ |
| 962 | and any frame now using that window as the minibuffer.\n\ |
| 963 | If MINIFRAME is `visible', include all visible frames.\n\ |
| 964 | If MINIFRAME is 0, include all visible and iconified frames.\n\ |
| 965 | Otherwise, include all frames.") |
| 966 | (frame, miniframe) |
| 967 | Lisp_Object frame, miniframe; |
| 968 | { |
| 969 | Lisp_Object tail; |
| 970 | |
| 971 | if (NILP (frame)) |
| 972 | XSETFRAME (frame, selected_frame); |
| 973 | else |
| 974 | CHECK_LIVE_FRAME (frame, 0); |
| 975 | |
| 976 | return next_frame (frame, miniframe); |
| 977 | } |
| 978 | |
| 979 | DEFUN ("previous-frame", Fprevious_frame, Sprevious_frame, 0, 2, 0, |
| 980 | "Return the previous frame in the frame list before FRAME.\n\ |
| 981 | It considers only frames on the same terminal as FRAME.\n\ |
| 982 | By default, skip minibuffer-only frames.\n\ |
| 983 | If omitted, FRAME defaults to the selected frame.\n\ |
| 984 | If optional argument MINIFRAME is nil, exclude minibuffer-only frames.\n\ |
| 985 | If MINIFRAME is a window, include only its own frame\n\ |
| 986 | and any frame now using that window as the minibuffer.\n\ |
| 987 | If MINIFRAME is `visible', include all visible frames.\n\ |
| 988 | If MINIFRAME is 0, include all visible and iconified frames.\n\ |
| 989 | Otherwise, include all frames.") |
| 990 | (frame, miniframe) |
| 991 | Lisp_Object frame, miniframe; |
| 992 | { |
| 993 | Lisp_Object tail; |
| 994 | |
| 995 | if (NILP (frame)) |
| 996 | XSETFRAME (frame, selected_frame); |
| 997 | else |
| 998 | CHECK_LIVE_FRAME (frame, 0); |
| 999 | |
| 1000 | return prev_frame (frame, miniframe); |
| 1001 | } |
| 1002 | \f |
| 1003 | /* Return 1 if it is ok to delete frame F; |
| 1004 | 0 if all frames aside from F are invisible. |
| 1005 | (Exception: if F is the terminal frame, and we are using X, return 1.) */ |
| 1006 | |
| 1007 | int |
| 1008 | other_visible_frames (f) |
| 1009 | FRAME_PTR f; |
| 1010 | { |
| 1011 | /* We know the selected frame is visible, |
| 1012 | so if F is some other frame, it can't be the sole visible one. */ |
| 1013 | if (f == selected_frame) |
| 1014 | { |
| 1015 | Lisp_Object frames; |
| 1016 | int count = 0; |
| 1017 | |
| 1018 | for (frames = Vframe_list; |
| 1019 | CONSP (frames); |
| 1020 | frames = XCONS (frames)->cdr) |
| 1021 | { |
| 1022 | Lisp_Object this; |
| 1023 | |
| 1024 | this = XCONS (frames)->car; |
| 1025 | /* Verify that the frame's window still exists |
| 1026 | and we can still talk to it. And note any recent change |
| 1027 | in visibility. */ |
| 1028 | #ifdef HAVE_WINDOW_SYSTEM |
| 1029 | if (FRAME_WINDOW_P (XFRAME (this))) |
| 1030 | { |
| 1031 | x_sync (XFRAME (this)); |
| 1032 | FRAME_SAMPLE_VISIBILITY (XFRAME (this)); |
| 1033 | } |
| 1034 | #endif |
| 1035 | |
| 1036 | if (FRAME_VISIBLE_P (XFRAME (this)) |
| 1037 | || FRAME_ICONIFIED_P (XFRAME (this)) |
| 1038 | /* Allow deleting the terminal frame when at least |
| 1039 | one X frame exists! */ |
| 1040 | || (FRAME_WINDOW_P (XFRAME (this)) && !FRAME_WINDOW_P (f))) |
| 1041 | count++; |
| 1042 | } |
| 1043 | return count > 1; |
| 1044 | } |
| 1045 | return 1; |
| 1046 | } |
| 1047 | |
| 1048 | DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 2, "", |
| 1049 | "Delete FRAME, permanently eliminating it from use.\n\ |
| 1050 | If omitted, FRAME defaults to the selected frame.\n\ |
| 1051 | A frame may not be deleted if its minibuffer is used by other frames.\n\ |
| 1052 | Normally, you may not delete a frame if all other frames are invisible,\n\ |
| 1053 | but if the second optional argument FORCE is non-nil, you may do so.") |
| 1054 | (frame, force) |
| 1055 | Lisp_Object frame, force; |
| 1056 | { |
| 1057 | struct frame *f; |
| 1058 | int minibuffer_selected; |
| 1059 | |
| 1060 | if (EQ (frame, Qnil)) |
| 1061 | { |
| 1062 | f = selected_frame; |
| 1063 | XSETFRAME (frame, f); |
| 1064 | } |
| 1065 | else |
| 1066 | { |
| 1067 | CHECK_FRAME (frame, 0); |
| 1068 | f = XFRAME (frame); |
| 1069 | } |
| 1070 | |
| 1071 | if (! FRAME_LIVE_P (f)) |
| 1072 | return Qnil; |
| 1073 | |
| 1074 | if (NILP (force) && !other_visible_frames (f)) |
| 1075 | error ("Attempt to delete the sole visible or iconified frame"); |
| 1076 | |
| 1077 | #if 0 |
| 1078 | /* This is a nice idea, but x_connection_closed needs to be able |
| 1079 | to delete the last frame, if it is gone. */ |
| 1080 | if (NILP (XCONS (Vframe_list)->cdr)) |
| 1081 | error ("Attempt to delete the only frame"); |
| 1082 | #endif |
| 1083 | |
| 1084 | /* Does this frame have a minibuffer, and is it the surrogate |
| 1085 | minibuffer for any other frame? */ |
| 1086 | if (FRAME_HAS_MINIBUF_P (XFRAME (frame))) |
| 1087 | { |
| 1088 | Lisp_Object frames; |
| 1089 | |
| 1090 | for (frames = Vframe_list; |
| 1091 | CONSP (frames); |
| 1092 | frames = XCONS (frames)->cdr) |
| 1093 | { |
| 1094 | Lisp_Object this; |
| 1095 | this = XCONS (frames)->car; |
| 1096 | |
| 1097 | if (! EQ (this, frame) |
| 1098 | && EQ (frame, |
| 1099 | WINDOW_FRAME (XWINDOW |
| 1100 | (FRAME_MINIBUF_WINDOW (XFRAME (this)))))) |
| 1101 | error ("Attempt to delete a surrogate minibuffer frame"); |
| 1102 | } |
| 1103 | } |
| 1104 | |
| 1105 | minibuffer_selected = EQ (minibuf_window, selected_window); |
| 1106 | |
| 1107 | /* Don't let the frame remain selected. */ |
| 1108 | if (f == selected_frame) |
| 1109 | { |
| 1110 | Lisp_Object tail, frame1; |
| 1111 | |
| 1112 | /* Look for another visible frame on the same terminal. */ |
| 1113 | frame1 = next_frame (frame, Qvisible); |
| 1114 | |
| 1115 | /* If there is none, find *some* other frame. */ |
| 1116 | if (NILP (frame1) || EQ (frame1, frame)) |
| 1117 | { |
| 1118 | FOR_EACH_FRAME (tail, frame1) |
| 1119 | { |
| 1120 | if (! EQ (frame, frame1)) |
| 1121 | break; |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | do_switch_frame (frame1, Qnil, 0); |
| 1126 | } |
| 1127 | |
| 1128 | /* Don't allow minibuf_window to remain on a deleted frame. */ |
| 1129 | if (EQ (f->minibuffer_window, minibuf_window)) |
| 1130 | { |
| 1131 | Fset_window_buffer (selected_frame->minibuffer_window, |
| 1132 | XWINDOW (minibuf_window)->buffer); |
| 1133 | minibuf_window = selected_frame->minibuffer_window; |
| 1134 | |
| 1135 | /* If the dying minibuffer window was selected, |
| 1136 | select the new one. */ |
| 1137 | if (minibuffer_selected) |
| 1138 | Fselect_window (minibuf_window); |
| 1139 | } |
| 1140 | |
| 1141 | /* Clear any X selections for this frame. */ |
| 1142 | #ifdef HAVE_X_WINDOWS |
| 1143 | if (FRAME_X_P (f)) |
| 1144 | x_clear_frame_selections (f); |
| 1145 | #endif |
| 1146 | |
| 1147 | /* Mark all the windows that used to be on FRAME as deleted, and then |
| 1148 | remove the reference to them. */ |
| 1149 | delete_all_subwindows (XWINDOW (f->root_window)); |
| 1150 | f->root_window = Qnil; |
| 1151 | |
| 1152 | Vframe_list = Fdelq (frame, Vframe_list); |
| 1153 | FRAME_SET_VISIBLE (f, 0); |
| 1154 | |
| 1155 | if (echo_area_glyphs == FRAME_MESSAGE_BUF (f)) |
| 1156 | { |
| 1157 | echo_area_glyphs = 0; |
| 1158 | previous_echo_glyphs = 0; |
| 1159 | } |
| 1160 | |
| 1161 | if (f->namebuf) |
| 1162 | free (f->namebuf); |
| 1163 | if (FRAME_CURRENT_GLYPHS (f)) |
| 1164 | free_frame_glyphs (f, FRAME_CURRENT_GLYPHS (f)); |
| 1165 | if (FRAME_DESIRED_GLYPHS (f)) |
| 1166 | free_frame_glyphs (f, FRAME_DESIRED_GLYPHS (f)); |
| 1167 | if (FRAME_TEMP_GLYPHS (f)) |
| 1168 | free_frame_glyphs (f, FRAME_TEMP_GLYPHS (f)); |
| 1169 | if (FRAME_INSERT_COST (f)) |
| 1170 | free (FRAME_INSERT_COST (f)); |
| 1171 | if (FRAME_DELETEN_COST (f)) |
| 1172 | free (FRAME_DELETEN_COST (f)); |
| 1173 | if (FRAME_INSERTN_COST (f)) |
| 1174 | free (FRAME_INSERTN_COST (f)); |
| 1175 | if (FRAME_DELETE_COST (f)) |
| 1176 | free (FRAME_DELETE_COST (f)); |
| 1177 | if (FRAME_MESSAGE_BUF (f)) |
| 1178 | free (FRAME_MESSAGE_BUF (f)); |
| 1179 | |
| 1180 | #ifdef HAVE_WINDOW_SYSTEM |
| 1181 | /* Free all fontset data. */ |
| 1182 | free_fontset_data (FRAME_FONTSET_DATA (f)); |
| 1183 | #endif |
| 1184 | |
| 1185 | /* Since some events are handled at the interrupt level, we may get |
| 1186 | an event for f at any time; if we zero out the frame's display |
| 1187 | now, then we may trip up the event-handling code. Instead, we'll |
| 1188 | promise that the display of the frame must be valid until we have |
| 1189 | called the window-system-dependent frame destruction routine. */ |
| 1190 | |
| 1191 | /* I think this should be done with a hook. */ |
| 1192 | #ifdef HAVE_WINDOW_SYSTEM |
| 1193 | if (FRAME_WINDOW_P (f)) |
| 1194 | x_destroy_window (f); |
| 1195 | #endif |
| 1196 | |
| 1197 | f->output_data.nothing = 0; |
| 1198 | |
| 1199 | /* If we've deleted the last_nonminibuf_frame, then try to find |
| 1200 | another one. */ |
| 1201 | if (f == last_nonminibuf_frame) |
| 1202 | { |
| 1203 | Lisp_Object frames; |
| 1204 | |
| 1205 | last_nonminibuf_frame = 0; |
| 1206 | |
| 1207 | for (frames = Vframe_list; |
| 1208 | CONSP (frames); |
| 1209 | frames = XCONS (frames)->cdr) |
| 1210 | { |
| 1211 | f = XFRAME (XCONS (frames)->car); |
| 1212 | if (!FRAME_MINIBUF_ONLY_P (f)) |
| 1213 | { |
| 1214 | last_nonminibuf_frame = f; |
| 1215 | break; |
| 1216 | } |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | /* If we've deleted this keyboard's default_minibuffer_frame, try to |
| 1221 | find another one. Prefer minibuffer-only frames, but also notice |
| 1222 | frames with other windows. */ |
| 1223 | if (EQ (frame, FRAME_KBOARD (f)->Vdefault_minibuffer_frame)) |
| 1224 | { |
| 1225 | Lisp_Object frames; |
| 1226 | |
| 1227 | /* The last frame we saw with a minibuffer, minibuffer-only or not. */ |
| 1228 | Lisp_Object frame_with_minibuf; |
| 1229 | /* Some frame we found on the same kboard, or nil if there are none. */ |
| 1230 | Lisp_Object frame_on_same_kboard; |
| 1231 | |
| 1232 | frame_on_same_kboard = Qnil; |
| 1233 | frame_with_minibuf = Qnil; |
| 1234 | |
| 1235 | for (frames = Vframe_list; |
| 1236 | CONSP (frames); |
| 1237 | frames = XCONS (frames)->cdr) |
| 1238 | { |
| 1239 | Lisp_Object this; |
| 1240 | struct frame *f1; |
| 1241 | |
| 1242 | this = XCONS (frames)->car; |
| 1243 | if (!FRAMEP (this)) |
| 1244 | abort (); |
| 1245 | f1 = XFRAME (this); |
| 1246 | |
| 1247 | /* Consider only frames on the same kboard |
| 1248 | and only those with minibuffers. */ |
| 1249 | if (FRAME_KBOARD (f) == FRAME_KBOARD (f1) |
| 1250 | && FRAME_HAS_MINIBUF_P (f1)) |
| 1251 | { |
| 1252 | frame_with_minibuf = this; |
| 1253 | if (FRAME_MINIBUF_ONLY_P (f1)) |
| 1254 | break; |
| 1255 | } |
| 1256 | |
| 1257 | if (FRAME_KBOARD (f) == FRAME_KBOARD (f1)) |
| 1258 | frame_on_same_kboard = this; |
| 1259 | } |
| 1260 | |
| 1261 | if (!NILP (frame_on_same_kboard)) |
| 1262 | { |
| 1263 | /* We know that there must be some frame with a minibuffer out |
| 1264 | there. If this were not true, all of the frames present |
| 1265 | would have to be minibufferless, which implies that at some |
| 1266 | point their minibuffer frames must have been deleted, but |
| 1267 | that is prohibited at the top; you can't delete surrogate |
| 1268 | minibuffer frames. */ |
| 1269 | if (NILP (frame_with_minibuf)) |
| 1270 | abort (); |
| 1271 | |
| 1272 | FRAME_KBOARD (f)->Vdefault_minibuffer_frame = frame_with_minibuf; |
| 1273 | } |
| 1274 | else |
| 1275 | /* No frames left on this kboard--say no minibuffer either. */ |
| 1276 | FRAME_KBOARD (f)->Vdefault_minibuffer_frame = Qnil; |
| 1277 | } |
| 1278 | |
| 1279 | /* Cause frame titles to update--necessary if we now have just one frame. */ |
| 1280 | update_mode_lines = 1; |
| 1281 | |
| 1282 | return Qnil; |
| 1283 | } |
| 1284 | \f |
| 1285 | /* Return mouse position in character cell units. */ |
| 1286 | |
| 1287 | DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0, |
| 1288 | "Return a list (FRAME X . Y) giving the current mouse frame and position.\n\ |
| 1289 | The position is given in character cells, where (0, 0) is the\n\ |
| 1290 | upper-left corner.\n\ |
| 1291 | If Emacs is running on a mouseless terminal or hasn't been programmed\n\ |
| 1292 | to read the mouse position, it returns the selected frame for FRAME\n\ |
| 1293 | and nil for X and Y.") |
| 1294 | () |
| 1295 | { |
| 1296 | FRAME_PTR f; |
| 1297 | Lisp_Object lispy_dummy; |
| 1298 | enum scroll_bar_part party_dummy; |
| 1299 | Lisp_Object x, y; |
| 1300 | int col, row; |
| 1301 | unsigned long long_dummy; |
| 1302 | |
| 1303 | f = selected_frame; |
| 1304 | x = y = Qnil; |
| 1305 | |
| 1306 | #ifdef HAVE_MOUSE |
| 1307 | /* It's okay for the hook to refrain from storing anything. */ |
| 1308 | if (mouse_position_hook) |
| 1309 | (*mouse_position_hook) (&f, -1, |
| 1310 | &lispy_dummy, &party_dummy, |
| 1311 | &x, &y, |
| 1312 | &long_dummy); |
| 1313 | if (! NILP (x)) |
| 1314 | { |
| 1315 | col = XINT (x); |
| 1316 | row = XINT (y); |
| 1317 | pixel_to_glyph_coords (f, col, row, &col, &row, NULL, 1); |
| 1318 | XSETINT (x, col); |
| 1319 | XSETINT (y, row); |
| 1320 | } |
| 1321 | #endif |
| 1322 | XSETFRAME (lispy_dummy, f); |
| 1323 | return Fcons (lispy_dummy, Fcons (x, y)); |
| 1324 | } |
| 1325 | |
| 1326 | DEFUN ("mouse-pixel-position", Fmouse_pixel_position, |
| 1327 | Smouse_pixel_position, 0, 0, 0, |
| 1328 | "Return a list (FRAME X . Y) giving the current mouse frame and position.\n\ |
| 1329 | The position is given in pixel units, where (0, 0) is the\n\ |
| 1330 | upper-left corner.\n\ |
| 1331 | If Emacs is running on a mouseless terminal or hasn't been programmed\n\ |
| 1332 | to read the mouse position, it returns the selected frame for FRAME\n\ |
| 1333 | and nil for X and Y.") |
| 1334 | () |
| 1335 | { |
| 1336 | FRAME_PTR f; |
| 1337 | Lisp_Object lispy_dummy; |
| 1338 | enum scroll_bar_part party_dummy; |
| 1339 | Lisp_Object x, y; |
| 1340 | int col, row; |
| 1341 | unsigned long long_dummy; |
| 1342 | |
| 1343 | f = selected_frame; |
| 1344 | x = y = Qnil; |
| 1345 | |
| 1346 | #ifdef HAVE_MOUSE |
| 1347 | /* It's okay for the hook to refrain from storing anything. */ |
| 1348 | if (mouse_position_hook) |
| 1349 | (*mouse_position_hook) (&f, -1, |
| 1350 | &lispy_dummy, &party_dummy, |
| 1351 | &x, &y, |
| 1352 | &long_dummy); |
| 1353 | #endif |
| 1354 | XSETFRAME (lispy_dummy, f); |
| 1355 | return Fcons (lispy_dummy, Fcons (x, y)); |
| 1356 | } |
| 1357 | |
| 1358 | DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0, |
| 1359 | "Move the mouse pointer to the center of character cell (X,Y) in FRAME.\n\ |
| 1360 | Note, this is a no-op for an X frame that is not visible.\n\ |
| 1361 | If you have just created a frame, you must wait for it to become visible\n\ |
| 1362 | before calling this function on it, like this.\n\ |
| 1363 | (while (not (frame-visible-p frame)) (sleep-for .5))") |
| 1364 | (frame, x, y) |
| 1365 | Lisp_Object frame, x, y; |
| 1366 | { |
| 1367 | CHECK_LIVE_FRAME (frame, 0); |
| 1368 | CHECK_NUMBER (x, 2); |
| 1369 | CHECK_NUMBER (y, 1); |
| 1370 | |
| 1371 | /* I think this should be done with a hook. */ |
| 1372 | #ifdef HAVE_WINDOW_SYSTEM |
| 1373 | if (FRAME_WINDOW_P (XFRAME (frame))) |
| 1374 | /* Warping the mouse will cause enternotify and focus events. */ |
| 1375 | x_set_mouse_position (XFRAME (frame), x, y); |
| 1376 | #else |
| 1377 | #if defined (MSDOS) && defined (HAVE_MOUSE) |
| 1378 | if (FRAME_MSDOS_P (XFRAME (frame))) |
| 1379 | { |
| 1380 | Fselect_frame (frame, Qnil); |
| 1381 | mouse_moveto (XINT (x), XINT (y)); |
| 1382 | } |
| 1383 | #endif |
| 1384 | #endif |
| 1385 | |
| 1386 | return Qnil; |
| 1387 | } |
| 1388 | |
| 1389 | DEFUN ("set-mouse-pixel-position", Fset_mouse_pixel_position, |
| 1390 | Sset_mouse_pixel_position, 3, 3, 0, |
| 1391 | "Move the mouse pointer to pixel position (X,Y) in FRAME.\n\ |
| 1392 | Note, this is a no-op for an X frame that is not visible.\n\ |
| 1393 | If you have just created a frame, you must wait for it to become visible\n\ |
| 1394 | before calling this function on it, like this.\n\ |
| 1395 | (while (not (frame-visible-p frame)) (sleep-for .5))") |
| 1396 | (frame, x, y) |
| 1397 | Lisp_Object frame, x, y; |
| 1398 | { |
| 1399 | CHECK_LIVE_FRAME (frame, 0); |
| 1400 | CHECK_NUMBER (x, 2); |
| 1401 | CHECK_NUMBER (y, 1); |
| 1402 | |
| 1403 | /* I think this should be done with a hook. */ |
| 1404 | #ifdef HAVE_WINDOW_SYSTEM |
| 1405 | if (FRAME_WINDOW_P (XFRAME (frame))) |
| 1406 | /* Warping the mouse will cause enternotify and focus events. */ |
| 1407 | x_set_mouse_pixel_position (XFRAME (frame), x, y); |
| 1408 | #else |
| 1409 | #if defined (MSDOS) && defined (HAVE_MOUSE) |
| 1410 | if (FRAME_MSDOS_P (XFRAME (frame))) |
| 1411 | { |
| 1412 | Fselect_frame (frame, Qnil); |
| 1413 | mouse_moveto (XINT (x), XINT (y)); |
| 1414 | } |
| 1415 | #endif |
| 1416 | #endif |
| 1417 | |
| 1418 | return Qnil; |
| 1419 | } |
| 1420 | \f |
| 1421 | DEFUN ("make-frame-visible", Fmake_frame_visible, Smake_frame_visible, |
| 1422 | 0, 1, "", |
| 1423 | "Make the frame FRAME visible (assuming it is an X-window).\n\ |
| 1424 | If omitted, FRAME defaults to the currently selected frame.") |
| 1425 | (frame) |
| 1426 | Lisp_Object frame; |
| 1427 | { |
| 1428 | if (NILP (frame)) |
| 1429 | XSETFRAME (frame, selected_frame); |
| 1430 | |
| 1431 | CHECK_LIVE_FRAME (frame, 0); |
| 1432 | |
| 1433 | /* I think this should be done with a hook. */ |
| 1434 | #ifdef HAVE_WINDOW_SYSTEM |
| 1435 | if (FRAME_WINDOW_P (XFRAME (frame))) |
| 1436 | { |
| 1437 | FRAME_SAMPLE_VISIBILITY (XFRAME (frame)); |
| 1438 | x_make_frame_visible (XFRAME (frame)); |
| 1439 | } |
| 1440 | #endif |
| 1441 | |
| 1442 | /* Make menu bar update for the Buffers and Frams menus. */ |
| 1443 | windows_or_buffers_changed++; |
| 1444 | |
| 1445 | return frame; |
| 1446 | } |
| 1447 | |
| 1448 | DEFUN ("make-frame-invisible", Fmake_frame_invisible, Smake_frame_invisible, |
| 1449 | 0, 2, "", |
| 1450 | "Make the frame FRAME invisible (assuming it is an X-window).\n\ |
| 1451 | If omitted, FRAME defaults to the currently selected frame.\n\ |
| 1452 | Normally you may not make FRAME invisible if all other frames are invisible,\n\ |
| 1453 | but if the second optional argument FORCE is non-nil, you may do so.") |
| 1454 | (frame, force) |
| 1455 | Lisp_Object frame, force; |
| 1456 | { |
| 1457 | if (NILP (frame)) |
| 1458 | XSETFRAME (frame, selected_frame); |
| 1459 | |
| 1460 | CHECK_LIVE_FRAME (frame, 0); |
| 1461 | |
| 1462 | if (NILP (force) && !other_visible_frames (XFRAME (frame))) |
| 1463 | error ("Attempt to make invisible the sole visible or iconified frame"); |
| 1464 | |
| 1465 | #if 0 /* This isn't logically necessary, and it can do GC. */ |
| 1466 | /* Don't let the frame remain selected. */ |
| 1467 | if (XFRAME (frame) == selected_frame) |
| 1468 | do_switch_frame (next_frame (frame, Qt), Qnil, 0) |
| 1469 | #endif |
| 1470 | |
| 1471 | /* Don't allow minibuf_window to remain on a deleted frame. */ |
| 1472 | if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window)) |
| 1473 | { |
| 1474 | Fset_window_buffer (selected_frame->minibuffer_window, |
| 1475 | XWINDOW (minibuf_window)->buffer); |
| 1476 | minibuf_window = selected_frame->minibuffer_window; |
| 1477 | } |
| 1478 | |
| 1479 | /* I think this should be done with a hook. */ |
| 1480 | #ifdef HAVE_WINDOW_SYSTEM |
| 1481 | if (FRAME_WINDOW_P (XFRAME (frame))) |
| 1482 | x_make_frame_invisible (XFRAME (frame)); |
| 1483 | #endif |
| 1484 | |
| 1485 | /* Make menu bar update for the Buffers and Frams menus. */ |
| 1486 | windows_or_buffers_changed++; |
| 1487 | |
| 1488 | return Qnil; |
| 1489 | } |
| 1490 | |
| 1491 | DEFUN ("iconify-frame", Ficonify_frame, Siconify_frame, |
| 1492 | 0, 1, "", |
| 1493 | "Make the frame FRAME into an icon.\n\ |
| 1494 | If omitted, FRAME defaults to the currently selected frame.") |
| 1495 | (frame) |
| 1496 | Lisp_Object frame; |
| 1497 | { |
| 1498 | if (NILP (frame)) |
| 1499 | XSETFRAME (frame, selected_frame); |
| 1500 | |
| 1501 | CHECK_LIVE_FRAME (frame, 0); |
| 1502 | |
| 1503 | #if 0 /* This isn't logically necessary, and it can do GC. */ |
| 1504 | /* Don't let the frame remain selected. */ |
| 1505 | if (XFRAME (frame) == selected_frame) |
| 1506 | Fhandle_switch_frame (next_frame (frame, Qt), Qnil); |
| 1507 | #endif |
| 1508 | |
| 1509 | /* Don't allow minibuf_window to remain on a deleted frame. */ |
| 1510 | if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window)) |
| 1511 | { |
| 1512 | Fset_window_buffer (selected_frame->minibuffer_window, |
| 1513 | XWINDOW (minibuf_window)->buffer); |
| 1514 | minibuf_window = selected_frame->minibuffer_window; |
| 1515 | } |
| 1516 | |
| 1517 | /* I think this should be done with a hook. */ |
| 1518 | #ifdef HAVE_WINDOW_SYSTEM |
| 1519 | if (FRAME_WINDOW_P (XFRAME (frame))) |
| 1520 | x_iconify_frame (XFRAME (frame)); |
| 1521 | #endif |
| 1522 | |
| 1523 | /* Make menu bar update for the Buffers and Frams menus. */ |
| 1524 | windows_or_buffers_changed++; |
| 1525 | |
| 1526 | return Qnil; |
| 1527 | } |
| 1528 | |
| 1529 | DEFUN ("frame-visible-p", Fframe_visible_p, Sframe_visible_p, |
| 1530 | 1, 1, 0, |
| 1531 | "Return t if FRAME is now \"visible\" (actually in use for display).\n\ |
| 1532 | A frame that is not \"visible\" is not updated and, if it works through\n\ |
| 1533 | a window system, it may not show at all.\n\ |
| 1534 | Return the symbol `icon' if frame is visible only as an icon.") |
| 1535 | (frame) |
| 1536 | Lisp_Object frame; |
| 1537 | { |
| 1538 | CHECK_LIVE_FRAME (frame, 0); |
| 1539 | |
| 1540 | FRAME_SAMPLE_VISIBILITY (XFRAME (frame)); |
| 1541 | |
| 1542 | if (FRAME_VISIBLE_P (XFRAME (frame))) |
| 1543 | return Qt; |
| 1544 | if (FRAME_ICONIFIED_P (XFRAME (frame))) |
| 1545 | return Qicon; |
| 1546 | return Qnil; |
| 1547 | } |
| 1548 | |
| 1549 | DEFUN ("visible-frame-list", Fvisible_frame_list, Svisible_frame_list, |
| 1550 | 0, 0, 0, |
| 1551 | "Return a list of all frames now \"visible\" (being updated).") |
| 1552 | () |
| 1553 | { |
| 1554 | Lisp_Object tail, frame; |
| 1555 | struct frame *f; |
| 1556 | Lisp_Object value; |
| 1557 | |
| 1558 | value = Qnil; |
| 1559 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 1560 | { |
| 1561 | frame = XCONS (tail)->car; |
| 1562 | if (!FRAMEP (frame)) |
| 1563 | continue; |
| 1564 | f = XFRAME (frame); |
| 1565 | if (FRAME_VISIBLE_P (f)) |
| 1566 | value = Fcons (frame, value); |
| 1567 | } |
| 1568 | return value; |
| 1569 | } |
| 1570 | |
| 1571 | |
| 1572 | DEFUN ("raise-frame", Fraise_frame, Sraise_frame, 0, 1, "", |
| 1573 | "Bring FRAME to the front, so it occludes any frames it overlaps.\n\ |
| 1574 | If FRAME is invisible, make it visible.\n\ |
| 1575 | If you don't specify a frame, the selected frame is used.\n\ |
| 1576 | If Emacs is displaying on an ordinary terminal or some other device which\n\ |
| 1577 | doesn't support multiple overlapping frames, this function does nothing.") |
| 1578 | (frame) |
| 1579 | Lisp_Object frame; |
| 1580 | { |
| 1581 | if (NILP (frame)) |
| 1582 | XSETFRAME (frame, selected_frame); |
| 1583 | |
| 1584 | CHECK_LIVE_FRAME (frame, 0); |
| 1585 | |
| 1586 | /* Do like the documentation says. */ |
| 1587 | Fmake_frame_visible (frame); |
| 1588 | |
| 1589 | if (frame_raise_lower_hook) |
| 1590 | (*frame_raise_lower_hook) (XFRAME (frame), 1); |
| 1591 | |
| 1592 | return Qnil; |
| 1593 | } |
| 1594 | |
| 1595 | /* Should we have a corresponding function called Flower_Power? */ |
| 1596 | DEFUN ("lower-frame", Flower_frame, Slower_frame, 0, 1, "", |
| 1597 | "Send FRAME to the back, so it is occluded by any frames that overlap it.\n\ |
| 1598 | If you don't specify a frame, the selected frame is used.\n\ |
| 1599 | If Emacs is displaying on an ordinary terminal or some other device which\n\ |
| 1600 | doesn't support multiple overlapping frames, this function does nothing.") |
| 1601 | (frame) |
| 1602 | Lisp_Object frame; |
| 1603 | { |
| 1604 | if (NILP (frame)) |
| 1605 | XSETFRAME (frame, selected_frame); |
| 1606 | |
| 1607 | CHECK_LIVE_FRAME (frame, 0); |
| 1608 | |
| 1609 | if (frame_raise_lower_hook) |
| 1610 | (*frame_raise_lower_hook) (XFRAME (frame), 0); |
| 1611 | |
| 1612 | return Qnil; |
| 1613 | } |
| 1614 | |
| 1615 | \f |
| 1616 | DEFUN ("redirect-frame-focus", Fredirect_frame_focus, Sredirect_frame_focus, |
| 1617 | 1, 2, 0, |
| 1618 | "Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.\n\ |
| 1619 | In other words, switch-frame events caused by events in FRAME will\n\ |
| 1620 | request a switch to FOCUS-FRAME, and `last-event-frame' will be\n\ |
| 1621 | FOCUS-FRAME after reading an event typed at FRAME.\n\ |
| 1622 | \n\ |
| 1623 | If FOCUS-FRAME is omitted or nil, any existing redirection is\n\ |
| 1624 | cancelled, and the frame again receives its own keystrokes.\n\ |
| 1625 | \n\ |
| 1626 | Focus redirection is useful for temporarily redirecting keystrokes to\n\ |
| 1627 | a surrogate minibuffer frame when a frame doesn't have its own\n\ |
| 1628 | minibuffer window.\n\ |
| 1629 | \n\ |
| 1630 | A frame's focus redirection can be changed by select-frame. If frame\n\ |
| 1631 | FOO is selected, and then a different frame BAR is selected, any\n\ |
| 1632 | frames redirecting their focus to FOO are shifted to redirect their\n\ |
| 1633 | focus to BAR. This allows focus redirection to work properly when the\n\ |
| 1634 | user switches from one frame to another using `select-window'.\n\ |
| 1635 | \n\ |
| 1636 | This means that a frame whose focus is redirected to itself is treated\n\ |
| 1637 | differently from a frame whose focus is redirected to nil; the former\n\ |
| 1638 | is affected by select-frame, while the latter is not.\n\ |
| 1639 | \n\ |
| 1640 | The redirection lasts until `redirect-frame-focus' is called to change it.") |
| 1641 | (frame, focus_frame) |
| 1642 | Lisp_Object frame, focus_frame; |
| 1643 | { |
| 1644 | /* Note that we don't check for a live frame here. It's reasonable |
| 1645 | to redirect the focus of a frame you're about to delete, if you |
| 1646 | know what other frame should receive those keystrokes. */ |
| 1647 | CHECK_FRAME (frame, 0); |
| 1648 | |
| 1649 | if (! NILP (focus_frame)) |
| 1650 | CHECK_LIVE_FRAME (focus_frame, 1); |
| 1651 | |
| 1652 | XFRAME (frame)->focus_frame = focus_frame; |
| 1653 | |
| 1654 | if (frame_rehighlight_hook) |
| 1655 | (*frame_rehighlight_hook) (XFRAME (frame)); |
| 1656 | |
| 1657 | return Qnil; |
| 1658 | } |
| 1659 | |
| 1660 | |
| 1661 | DEFUN ("frame-focus", Fframe_focus, Sframe_focus, 1, 1, 0, |
| 1662 | "Return the frame to which FRAME's keystrokes are currently being sent.\n\ |
| 1663 | This returns nil if FRAME's focus is not redirected.\n\ |
| 1664 | See `redirect-frame-focus'.") |
| 1665 | (frame) |
| 1666 | Lisp_Object frame; |
| 1667 | { |
| 1668 | CHECK_LIVE_FRAME (frame, 0); |
| 1669 | |
| 1670 | return FRAME_FOCUS_FRAME (XFRAME (frame)); |
| 1671 | } |
| 1672 | |
| 1673 | |
| 1674 | \f |
| 1675 | /* Return the value of frame parameter PROP in frame FRAME. */ |
| 1676 | |
| 1677 | Lisp_Object |
| 1678 | get_frame_param (frame, prop) |
| 1679 | register struct frame *frame; |
| 1680 | Lisp_Object prop; |
| 1681 | { |
| 1682 | register Lisp_Object tem; |
| 1683 | |
| 1684 | tem = Fassq (prop, frame->param_alist); |
| 1685 | if (EQ (tem, Qnil)) |
| 1686 | return tem; |
| 1687 | return Fcdr (tem); |
| 1688 | } |
| 1689 | |
| 1690 | /* Return the buffer-predicate of the selected frame. */ |
| 1691 | |
| 1692 | Lisp_Object |
| 1693 | frame_buffer_predicate () |
| 1694 | { |
| 1695 | return selected_frame->buffer_predicate; |
| 1696 | } |
| 1697 | |
| 1698 | /* Return the buffer-list of the selected frame. */ |
| 1699 | |
| 1700 | Lisp_Object |
| 1701 | frame_buffer_list () |
| 1702 | { |
| 1703 | return selected_frame->buffer_list; |
| 1704 | } |
| 1705 | |
| 1706 | /* Set the buffer-list of the selected frame. */ |
| 1707 | |
| 1708 | void |
| 1709 | set_frame_buffer_list (list) |
| 1710 | Lisp_Object list; |
| 1711 | { |
| 1712 | selected_frame->buffer_list = list; |
| 1713 | } |
| 1714 | |
| 1715 | /* Discard BUFFER from the buffer-list of each frame. */ |
| 1716 | |
| 1717 | void |
| 1718 | frames_discard_buffer (buffer) |
| 1719 | Lisp_Object buffer; |
| 1720 | { |
| 1721 | Lisp_Object frame, tail; |
| 1722 | |
| 1723 | FOR_EACH_FRAME (tail, frame) |
| 1724 | { |
| 1725 | XFRAME (frame)->buffer_list |
| 1726 | = Fdelq (buffer, XFRAME (frame)->buffer_list); |
| 1727 | } |
| 1728 | } |
| 1729 | |
| 1730 | /* Move BUFFER to the end of the buffer-list of each frame. */ |
| 1731 | |
| 1732 | void |
| 1733 | frames_bury_buffer (buffer) |
| 1734 | Lisp_Object buffer; |
| 1735 | { |
| 1736 | Lisp_Object frame, tail; |
| 1737 | |
| 1738 | FOR_EACH_FRAME (tail, frame) |
| 1739 | { |
| 1740 | XFRAME (frame)->buffer_list |
| 1741 | = nconc2 (Fdelq (buffer, XFRAME (frame)->buffer_list), |
| 1742 | Fcons (buffer, Qnil)); |
| 1743 | } |
| 1744 | } |
| 1745 | |
| 1746 | /* Modify the alist in *ALISTPTR to associate PROP with VAL. |
| 1747 | If the alist already has an element for PROP, we change it. */ |
| 1748 | |
| 1749 | void |
| 1750 | store_in_alist (alistptr, prop, val) |
| 1751 | Lisp_Object *alistptr, val; |
| 1752 | Lisp_Object prop; |
| 1753 | { |
| 1754 | register Lisp_Object tem; |
| 1755 | |
| 1756 | tem = Fassq (prop, *alistptr); |
| 1757 | if (EQ (tem, Qnil)) |
| 1758 | *alistptr = Fcons (Fcons (prop, val), *alistptr); |
| 1759 | else |
| 1760 | Fsetcdr (tem, val); |
| 1761 | } |
| 1762 | |
| 1763 | static int |
| 1764 | frame_name_fnn_p (str, len) |
| 1765 | char *str; |
| 1766 | int len; |
| 1767 | { |
| 1768 | if (len > 1 && str[0] == 'F') |
| 1769 | { |
| 1770 | char *end_ptr; |
| 1771 | long num = strtol (str + 1, &end_ptr, 10); |
| 1772 | |
| 1773 | if (end_ptr == str + len) |
| 1774 | return 1; |
| 1775 | } |
| 1776 | return 0; |
| 1777 | } |
| 1778 | |
| 1779 | /* Set the name of the terminal frame. Also used by MSDOS frames. |
| 1780 | Modeled after x_set_name which is used for WINDOW frames. */ |
| 1781 | |
| 1782 | void |
| 1783 | set_term_frame_name (f, name) |
| 1784 | struct frame *f; |
| 1785 | Lisp_Object name; |
| 1786 | { |
| 1787 | f->explicit_name = ! NILP (name); |
| 1788 | |
| 1789 | /* If NAME is nil, set the name to F<num>. */ |
| 1790 | if (NILP (name)) |
| 1791 | { |
| 1792 | char namebuf[20]; |
| 1793 | |
| 1794 | /* Check for no change needed in this very common case |
| 1795 | before we do any consing. */ |
| 1796 | if (frame_name_fnn_p (XSTRING (f->name)->data, |
| 1797 | XSTRING (f->name)->size_byte)) |
| 1798 | return; |
| 1799 | |
| 1800 | terminal_frame_count++; |
| 1801 | sprintf (namebuf, "F%d", terminal_frame_count); |
| 1802 | name = build_string (namebuf); |
| 1803 | } |
| 1804 | else |
| 1805 | { |
| 1806 | CHECK_STRING (name, 0); |
| 1807 | |
| 1808 | /* Don't change the name if it's already NAME. */ |
| 1809 | if (! NILP (Fstring_equal (name, f->name))) |
| 1810 | return; |
| 1811 | |
| 1812 | /* Don't allow the user to set the frame name to F<num>, so it |
| 1813 | doesn't clash with the names we generate for terminal frames. */ |
| 1814 | if (frame_name_fnn_p (XSTRING (name)->data, XSTRING (name)->size_byte)) |
| 1815 | error ("Frame names of the form F<num> are usurped by Emacs"); |
| 1816 | } |
| 1817 | |
| 1818 | f->name = name; |
| 1819 | update_mode_lines = 1; |
| 1820 | } |
| 1821 | |
| 1822 | void |
| 1823 | store_frame_param (f, prop, val) |
| 1824 | struct frame *f; |
| 1825 | Lisp_Object prop, val; |
| 1826 | { |
| 1827 | register Lisp_Object tem; |
| 1828 | |
| 1829 | if (EQ (prop, Qbuffer_list)) |
| 1830 | { |
| 1831 | f->buffer_list = val; |
| 1832 | return; |
| 1833 | } |
| 1834 | |
| 1835 | tem = Fassq (prop, f->param_alist); |
| 1836 | if (EQ (tem, Qnil)) |
| 1837 | f->param_alist = Fcons (Fcons (prop, val), f->param_alist); |
| 1838 | else |
| 1839 | Fsetcdr (tem, val); |
| 1840 | |
| 1841 | if (EQ (prop, Qbuffer_predicate)) |
| 1842 | f->buffer_predicate = val; |
| 1843 | |
| 1844 | if (! FRAME_WINDOW_P (f)) |
| 1845 | { |
| 1846 | if (EQ (prop, Qmenu_bar_lines)) |
| 1847 | set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f))); |
| 1848 | else if (EQ (prop, Qname)) |
| 1849 | set_term_frame_name (f, val); |
| 1850 | } |
| 1851 | |
| 1852 | if (EQ (prop, Qminibuffer) && WINDOWP (val)) |
| 1853 | { |
| 1854 | if (! MINI_WINDOW_P (XWINDOW (val))) |
| 1855 | error ("Surrogate minibuffer windows must be minibuffer windows."); |
| 1856 | |
| 1857 | if (FRAME_HAS_MINIBUF_P (f) || FRAME_MINIBUF_ONLY_P (f) |
| 1858 | && !EQ (val, f->minibuffer_window)) |
| 1859 | error ("Can't change the surrogate minibuffer of a frame with its own minibuffer"); |
| 1860 | |
| 1861 | /* Install the chosen minibuffer window, with proper buffer. */ |
| 1862 | f->minibuffer_window = val; |
| 1863 | } |
| 1864 | } |
| 1865 | |
| 1866 | DEFUN ("frame-parameters", Fframe_parameters, Sframe_parameters, 0, 1, 0, |
| 1867 | "Return the parameters-alist of frame FRAME.\n\ |
| 1868 | It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.\n\ |
| 1869 | The meaningful PARMs depend on the kind of frame.\n\ |
| 1870 | If FRAME is omitted, return information on the currently selected frame.") |
| 1871 | (frame) |
| 1872 | Lisp_Object frame; |
| 1873 | { |
| 1874 | Lisp_Object alist; |
| 1875 | FRAME_PTR f; |
| 1876 | int height, width; |
| 1877 | |
| 1878 | if (EQ (frame, Qnil)) |
| 1879 | f = selected_frame; |
| 1880 | else |
| 1881 | { |
| 1882 | CHECK_FRAME (frame, 0); |
| 1883 | f = XFRAME (frame); |
| 1884 | } |
| 1885 | |
| 1886 | if (!FRAME_LIVE_P (f)) |
| 1887 | return Qnil; |
| 1888 | |
| 1889 | alist = Fcopy_alist (f->param_alist); |
| 1890 | #ifdef MSDOS |
| 1891 | if (FRAME_MSDOS_P (f)) |
| 1892 | { |
| 1893 | static char *colornames[16] = |
| 1894 | { |
| 1895 | "black", "blue", "green", "cyan", "red", "magenta", "brown", |
| 1896 | "lightgray", "darkgray", "lightblue", "lightgreen", "lightcyan", |
| 1897 | "lightred", "lightmagenta", "yellow", "white" |
| 1898 | }; |
| 1899 | store_in_alist (&alist, intern ("foreground-color"), |
| 1900 | build_string (colornames[FRAME_FOREGROUND_PIXEL (f)])); |
| 1901 | store_in_alist (&alist, intern ("background-color"), |
| 1902 | build_string (colornames[FRAME_BACKGROUND_PIXEL (f)])); |
| 1903 | } |
| 1904 | store_in_alist (&alist, intern ("font"), build_string ("default")); |
| 1905 | #endif |
| 1906 | store_in_alist (&alist, Qname, f->name); |
| 1907 | height = (FRAME_NEW_HEIGHT (f) ? FRAME_NEW_HEIGHT (f) : FRAME_HEIGHT (f)); |
| 1908 | store_in_alist (&alist, Qheight, make_number (height)); |
| 1909 | width = (FRAME_NEW_WIDTH (f) ? FRAME_NEW_WIDTH (f) : FRAME_WIDTH (f)); |
| 1910 | store_in_alist (&alist, Qwidth, make_number (width)); |
| 1911 | store_in_alist (&alist, Qmodeline, (FRAME_WANTS_MODELINE_P (f) ? Qt : Qnil)); |
| 1912 | store_in_alist (&alist, Qminibuffer, |
| 1913 | (! FRAME_HAS_MINIBUF_P (f) ? Qnil |
| 1914 | : FRAME_MINIBUF_ONLY_P (f) ? Qonly |
| 1915 | : FRAME_MINIBUF_WINDOW (f))); |
| 1916 | store_in_alist (&alist, Qunsplittable, (FRAME_NO_SPLIT_P (f) ? Qt : Qnil)); |
| 1917 | store_in_alist (&alist, Qbuffer_list, frame_buffer_list ()); |
| 1918 | |
| 1919 | /* I think this should be done with a hook. */ |
| 1920 | #ifdef HAVE_WINDOW_SYSTEM |
| 1921 | if (FRAME_WINDOW_P (f)) |
| 1922 | x_report_frame_params (f, &alist); |
| 1923 | else |
| 1924 | #endif |
| 1925 | { |
| 1926 | /* This ought to be correct in f->param_alist for an X frame. */ |
| 1927 | Lisp_Object lines; |
| 1928 | XSETFASTINT (lines, FRAME_MENU_BAR_LINES (f)); |
| 1929 | store_in_alist (&alist, Qmenu_bar_lines, lines); |
| 1930 | } |
| 1931 | return alist; |
| 1932 | } |
| 1933 | |
| 1934 | DEFUN ("modify-frame-parameters", Fmodify_frame_parameters, |
| 1935 | Smodify_frame_parameters, 2, 2, 0, |
| 1936 | "Modify the parameters of frame FRAME according to ALIST.\n\ |
| 1937 | ALIST is an alist of parameters to change and their new values.\n\ |
| 1938 | Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.\n\ |
| 1939 | The meaningful PARMs depend on the kind of frame.\n\ |
| 1940 | Undefined PARMs are ignored, but stored in the frame's parameter list\n\ |
| 1941 | so that `frame-parameters' will return them.") |
| 1942 | (frame, alist) |
| 1943 | Lisp_Object frame, alist; |
| 1944 | { |
| 1945 | FRAME_PTR f; |
| 1946 | register Lisp_Object tail, elt, prop, val; |
| 1947 | |
| 1948 | if (EQ (frame, Qnil)) |
| 1949 | f = selected_frame; |
| 1950 | else |
| 1951 | { |
| 1952 | CHECK_LIVE_FRAME (frame, 0); |
| 1953 | f = XFRAME (frame); |
| 1954 | } |
| 1955 | |
| 1956 | /* I think this should be done with a hook. */ |
| 1957 | #ifdef HAVE_WINDOW_SYSTEM |
| 1958 | if (FRAME_WINDOW_P (f)) |
| 1959 | x_set_frame_parameters (f, alist); |
| 1960 | else |
| 1961 | #endif |
| 1962 | #ifdef MSDOS |
| 1963 | if (FRAME_MSDOS_P (f)) |
| 1964 | IT_set_frame_parameters (f, alist); |
| 1965 | else |
| 1966 | #endif |
| 1967 | { |
| 1968 | int length = XINT (Flength (alist)); |
| 1969 | int i; |
| 1970 | Lisp_Object *parms |
| 1971 | = (Lisp_Object *) alloca (length * sizeof (Lisp_Object)); |
| 1972 | Lisp_Object *values |
| 1973 | = (Lisp_Object *) alloca (length * sizeof (Lisp_Object)); |
| 1974 | |
| 1975 | /* Extract parm names and values into those vectors. */ |
| 1976 | |
| 1977 | i = 0; |
| 1978 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
| 1979 | { |
| 1980 | Lisp_Object elt, prop, val; |
| 1981 | |
| 1982 | elt = Fcar (tail); |
| 1983 | parms[i] = Fcar (elt); |
| 1984 | values[i] = Fcdr (elt); |
| 1985 | i++; |
| 1986 | } |
| 1987 | |
| 1988 | /* Now process them in reverse of specified order. */ |
| 1989 | for (i--; i >= 0; i--) |
| 1990 | { |
| 1991 | prop = parms[i]; |
| 1992 | val = values[i]; |
| 1993 | store_frame_param (f, prop, val); |
| 1994 | } |
| 1995 | } |
| 1996 | |
| 1997 | return Qnil; |
| 1998 | } |
| 1999 | \f |
| 2000 | DEFUN ("frame-char-height", Fframe_char_height, Sframe_char_height, |
| 2001 | 0, 1, 0, |
| 2002 | "Height in pixels of a line in the font in frame FRAME.\n\ |
| 2003 | If FRAME is omitted, the selected frame is used.\n\ |
| 2004 | For a terminal frame, the value is always 1.") |
| 2005 | (frame) |
| 2006 | Lisp_Object frame; |
| 2007 | { |
| 2008 | struct frame *f; |
| 2009 | |
| 2010 | if (NILP (frame)) |
| 2011 | f = selected_frame; |
| 2012 | else |
| 2013 | { |
| 2014 | CHECK_FRAME (frame, 0); |
| 2015 | f = XFRAME (frame); |
| 2016 | } |
| 2017 | |
| 2018 | #ifdef HAVE_WINDOW_SYSTEM |
| 2019 | if (FRAME_WINDOW_P (f)) |
| 2020 | return make_number (x_char_height (f)); |
| 2021 | else |
| 2022 | #endif |
| 2023 | return make_number (1); |
| 2024 | } |
| 2025 | |
| 2026 | |
| 2027 | DEFUN ("frame-char-width", Fframe_char_width, Sframe_char_width, |
| 2028 | 0, 1, 0, |
| 2029 | "Width in pixels of characters in the font in frame FRAME.\n\ |
| 2030 | If FRAME is omitted, the selected frame is used.\n\ |
| 2031 | The width is the same for all characters, because\n\ |
| 2032 | currently Emacs supports only fixed-width fonts.\n\ |
| 2033 | For a terminal screen, the value is always 1.") |
| 2034 | (frame) |
| 2035 | Lisp_Object frame; |
| 2036 | { |
| 2037 | struct frame *f; |
| 2038 | |
| 2039 | if (NILP (frame)) |
| 2040 | f = selected_frame; |
| 2041 | else |
| 2042 | { |
| 2043 | CHECK_FRAME (frame, 0); |
| 2044 | f = XFRAME (frame); |
| 2045 | } |
| 2046 | |
| 2047 | #ifdef HAVE_WINDOW_SYSTEM |
| 2048 | if (FRAME_WINDOW_P (f)) |
| 2049 | return make_number (x_char_width (f)); |
| 2050 | else |
| 2051 | #endif |
| 2052 | return make_number (1); |
| 2053 | } |
| 2054 | |
| 2055 | DEFUN ("frame-pixel-height", Fframe_pixel_height, |
| 2056 | Sframe_pixel_height, 0, 1, 0, |
| 2057 | "Return a FRAME's height in pixels.\n\ |
| 2058 | This counts only the height available for text lines,\n\ |
| 2059 | not menu bars on window-system Emacs frames.\n\ |
| 2060 | For a terminal frame, the result really gives the height in characters.\n\ |
| 2061 | If FRAME is omitted, the selected frame is used.") |
| 2062 | (frame) |
| 2063 | Lisp_Object frame; |
| 2064 | { |
| 2065 | struct frame *f; |
| 2066 | |
| 2067 | if (NILP (frame)) |
| 2068 | f = selected_frame; |
| 2069 | else |
| 2070 | { |
| 2071 | CHECK_FRAME (frame, 0); |
| 2072 | f = XFRAME (frame); |
| 2073 | } |
| 2074 | |
| 2075 | #ifdef HAVE_WINDOW_SYSTEM |
| 2076 | if (FRAME_WINDOW_P (f)) |
| 2077 | return make_number (x_pixel_height (f)); |
| 2078 | else |
| 2079 | #endif |
| 2080 | return make_number (FRAME_HEIGHT (f)); |
| 2081 | } |
| 2082 | |
| 2083 | DEFUN ("frame-pixel-width", Fframe_pixel_width, |
| 2084 | Sframe_pixel_width, 0, 1, 0, |
| 2085 | "Return FRAME's width in pixels.\n\ |
| 2086 | For a terminal frame, the result really gives the width in characters.\n\ |
| 2087 | If FRAME is omitted, the selected frame is used.") |
| 2088 | (frame) |
| 2089 | Lisp_Object frame; |
| 2090 | { |
| 2091 | struct frame *f; |
| 2092 | |
| 2093 | if (NILP (frame)) |
| 2094 | f = selected_frame; |
| 2095 | else |
| 2096 | { |
| 2097 | CHECK_FRAME (frame, 0); |
| 2098 | f = XFRAME (frame); |
| 2099 | } |
| 2100 | |
| 2101 | #ifdef HAVE_WINDOW_SYSTEM |
| 2102 | if (FRAME_WINDOW_P (f)) |
| 2103 | return make_number (x_pixel_width (f)); |
| 2104 | else |
| 2105 | #endif |
| 2106 | return make_number (FRAME_WIDTH (f)); |
| 2107 | } |
| 2108 | \f |
| 2109 | DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 3, 0, |
| 2110 | "Specify that the frame FRAME has LINES lines.\n\ |
| 2111 | Optional third arg non-nil means that redisplay should use LINES lines\n\ |
| 2112 | but that the idea of the actual height of the frame should not be changed.") |
| 2113 | (frame, lines, pretend) |
| 2114 | Lisp_Object frame, lines, pretend; |
| 2115 | { |
| 2116 | register struct frame *f; |
| 2117 | |
| 2118 | CHECK_NUMBER (lines, 0); |
| 2119 | if (NILP (frame)) |
| 2120 | f = selected_frame; |
| 2121 | else |
| 2122 | { |
| 2123 | CHECK_LIVE_FRAME (frame, 0); |
| 2124 | f = XFRAME (frame); |
| 2125 | } |
| 2126 | |
| 2127 | /* I think this should be done with a hook. */ |
| 2128 | #ifdef HAVE_WINDOW_SYSTEM |
| 2129 | if (FRAME_WINDOW_P (f)) |
| 2130 | { |
| 2131 | if (XINT (lines) != f->height) |
| 2132 | x_set_window_size (f, 1, f->width, XINT (lines)); |
| 2133 | } |
| 2134 | else |
| 2135 | #endif |
| 2136 | change_frame_size (f, XINT (lines), 0, !NILP (pretend), 0); |
| 2137 | return Qnil; |
| 2138 | } |
| 2139 | |
| 2140 | DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 3, 0, |
| 2141 | "Specify that the frame FRAME has COLS columns.\n\ |
| 2142 | Optional third arg non-nil means that redisplay should use COLS columns\n\ |
| 2143 | but that the idea of the actual width of the frame should not be changed.") |
| 2144 | (frame, cols, pretend) |
| 2145 | Lisp_Object frame, cols, pretend; |
| 2146 | { |
| 2147 | register struct frame *f; |
| 2148 | CHECK_NUMBER (cols, 0); |
| 2149 | if (NILP (frame)) |
| 2150 | f = selected_frame; |
| 2151 | else |
| 2152 | { |
| 2153 | CHECK_LIVE_FRAME (frame, 0); |
| 2154 | f = XFRAME (frame); |
| 2155 | } |
| 2156 | |
| 2157 | /* I think this should be done with a hook. */ |
| 2158 | #ifdef HAVE_WINDOW_SYSTEM |
| 2159 | if (FRAME_WINDOW_P (f)) |
| 2160 | { |
| 2161 | if (XINT (cols) != f->width) |
| 2162 | x_set_window_size (f, 1, XINT (cols), f->height); |
| 2163 | } |
| 2164 | else |
| 2165 | #endif |
| 2166 | change_frame_size (f, 0, XINT (cols), !NILP (pretend), 0); |
| 2167 | return Qnil; |
| 2168 | } |
| 2169 | |
| 2170 | DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 3, 0, |
| 2171 | "Sets size of FRAME to COLS by ROWS, measured in characters.") |
| 2172 | (frame, cols, rows) |
| 2173 | Lisp_Object frame, cols, rows; |
| 2174 | { |
| 2175 | register struct frame *f; |
| 2176 | int mask; |
| 2177 | |
| 2178 | CHECK_LIVE_FRAME (frame, 0); |
| 2179 | CHECK_NUMBER (cols, 2); |
| 2180 | CHECK_NUMBER (rows, 1); |
| 2181 | f = XFRAME (frame); |
| 2182 | |
| 2183 | /* I think this should be done with a hook. */ |
| 2184 | #ifdef HAVE_WINDOW_SYSTEM |
| 2185 | if (FRAME_WINDOW_P (f)) |
| 2186 | { |
| 2187 | if (XINT (rows) != f->height || XINT (cols) != f->width |
| 2188 | || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) |
| 2189 | x_set_window_size (f, 1, XINT (cols), XINT (rows)); |
| 2190 | } |
| 2191 | else |
| 2192 | #endif |
| 2193 | change_frame_size (f, XINT (rows), XINT (cols), 0, 0); |
| 2194 | |
| 2195 | return Qnil; |
| 2196 | } |
| 2197 | |
| 2198 | DEFUN ("set-frame-position", Fset_frame_position, |
| 2199 | Sset_frame_position, 3, 3, 0, |
| 2200 | "Sets position of FRAME in pixels to XOFFSET by YOFFSET.\n\ |
| 2201 | This is actually the position of the upper left corner of the frame.\n\ |
| 2202 | Negative values for XOFFSET or YOFFSET are interpreted relative to\n\ |
| 2203 | the rightmost or bottommost possible position (that stays within the screen).") |
| 2204 | (frame, xoffset, yoffset) |
| 2205 | Lisp_Object frame, xoffset, yoffset; |
| 2206 | { |
| 2207 | register struct frame *f; |
| 2208 | int mask; |
| 2209 | |
| 2210 | CHECK_LIVE_FRAME (frame, 0); |
| 2211 | CHECK_NUMBER (xoffset, 1); |
| 2212 | CHECK_NUMBER (yoffset, 2); |
| 2213 | f = XFRAME (frame); |
| 2214 | |
| 2215 | /* I think this should be done with a hook. */ |
| 2216 | #ifdef HAVE_WINDOW_SYSTEM |
| 2217 | if (FRAME_WINDOW_P (f)) |
| 2218 | x_set_offset (f, XINT (xoffset), XINT (yoffset), 1); |
| 2219 | #endif |
| 2220 | |
| 2221 | return Qt; |
| 2222 | } |
| 2223 | |
| 2224 | \f |
| 2225 | syms_of_frame () |
| 2226 | { |
| 2227 | syms_of_frame_1 (); |
| 2228 | |
| 2229 | staticpro (&Vframe_list); |
| 2230 | |
| 2231 | DEFVAR_LISP ("terminal-frame", &Vterminal_frame, |
| 2232 | "The initial frame-object, which represents Emacs's stdout."); |
| 2233 | |
| 2234 | DEFVAR_LISP ("emacs-iconified", &Vemacs_iconified, |
| 2235 | "Non-nil if all of emacs is iconified and frame updates are not needed."); |
| 2236 | Vemacs_iconified = Qnil; |
| 2237 | |
| 2238 | DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame, |
| 2239 | "Minibufferless frames use this frame's minibuffer.\n\ |
| 2240 | \n\ |
| 2241 | Emacs cannot create minibufferless frames unless this is set to an\n\ |
| 2242 | appropriate surrogate.\n\ |
| 2243 | \n\ |
| 2244 | Emacs consults this variable only when creating minibufferless\n\ |
| 2245 | frames; once the frame is created, it sticks with its assigned\n\ |
| 2246 | minibuffer, no matter what this variable is set to. This means that\n\ |
| 2247 | this variable doesn't necessarily say anything meaningful about the\n\ |
| 2248 | current set of frames, or where the minibuffer is currently being\n\ |
| 2249 | displayed."); |
| 2250 | |
| 2251 | defsubr (&Sactive_minibuffer_window); |
| 2252 | defsubr (&Sframep); |
| 2253 | defsubr (&Sframe_live_p); |
| 2254 | defsubr (&Smake_terminal_frame); |
| 2255 | defsubr (&Shandle_switch_frame); |
| 2256 | defsubr (&Signore_event); |
| 2257 | defsubr (&Sselect_frame); |
| 2258 | defsubr (&Sselected_frame); |
| 2259 | defsubr (&Swindow_frame); |
| 2260 | defsubr (&Sframe_root_window); |
| 2261 | defsubr (&Sframe_first_window); |
| 2262 | defsubr (&Sframe_selected_window); |
| 2263 | defsubr (&Sset_frame_selected_window); |
| 2264 | defsubr (&Sframe_list); |
| 2265 | defsubr (&Snext_frame); |
| 2266 | defsubr (&Sprevious_frame); |
| 2267 | defsubr (&Sdelete_frame); |
| 2268 | defsubr (&Smouse_position); |
| 2269 | defsubr (&Smouse_pixel_position); |
| 2270 | defsubr (&Sset_mouse_position); |
| 2271 | defsubr (&Sset_mouse_pixel_position); |
| 2272 | #if 0 |
| 2273 | defsubr (&Sframe_configuration); |
| 2274 | defsubr (&Srestore_frame_configuration); |
| 2275 | #endif |
| 2276 | defsubr (&Smake_frame_visible); |
| 2277 | defsubr (&Smake_frame_invisible); |
| 2278 | defsubr (&Siconify_frame); |
| 2279 | defsubr (&Sframe_visible_p); |
| 2280 | defsubr (&Svisible_frame_list); |
| 2281 | defsubr (&Sraise_frame); |
| 2282 | defsubr (&Slower_frame); |
| 2283 | defsubr (&Sredirect_frame_focus); |
| 2284 | defsubr (&Sframe_focus); |
| 2285 | defsubr (&Sframe_parameters); |
| 2286 | defsubr (&Smodify_frame_parameters); |
| 2287 | defsubr (&Sframe_char_height); |
| 2288 | defsubr (&Sframe_char_width); |
| 2289 | defsubr (&Sframe_pixel_height); |
| 2290 | defsubr (&Sframe_pixel_width); |
| 2291 | defsubr (&Sset_frame_height); |
| 2292 | defsubr (&Sset_frame_width); |
| 2293 | defsubr (&Sset_frame_size); |
| 2294 | defsubr (&Sset_frame_position); |
| 2295 | } |
| 2296 | |
| 2297 | keys_of_frame () |
| 2298 | { |
| 2299 | initial_define_lispy_key (global_map, "switch-frame", "handle-switch-frame"); |
| 2300 | initial_define_lispy_key (global_map, "delete-frame", "handle-delete-frame"); |
| 2301 | initial_define_lispy_key (global_map, "iconify-frame", "ignore-event"); |
| 2302 | initial_define_lispy_key (global_map, "make-frame-visible", "ignore-event"); |
| 2303 | } |