| 1 | /* Generic frame functions. |
| 2 | Copyright (C) 1989, 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | |
| 22 | #include "config.h" |
| 23 | #include "lisp.h" |
| 24 | #include "frame.h" |
| 25 | |
| 26 | #ifdef MULTI_FRAME |
| 27 | |
| 28 | #include "window.h" |
| 29 | #include "termhooks.h" |
| 30 | |
| 31 | Lisp_Object Vemacs_iconified; |
| 32 | Lisp_Object Vframe_list; |
| 33 | Lisp_Object Vterminal_frame; |
| 34 | Lisp_Object Vdefault_minibuffer_frame; |
| 35 | Lisp_Object Vdefault_frame_alist; |
| 36 | |
| 37 | /* Evaluate this expression to rebuild the section of syms_of_frame |
| 38 | that initializes and staticpros the symbols declared below. Note |
| 39 | that Emacs 18 has a bug that keeps C-x C-e from being able to |
| 40 | evaluate this expression. |
| 41 | |
| 42 | (progn |
| 43 | ;; Accumulate a list of the symbols we want to initialize from the |
| 44 | ;; declarations at the top of the file. |
| 45 | (goto-char (point-min)) |
| 46 | (search-forward "/\*&&& symbols declared here &&&*\/\n") |
| 47 | (let (symbol-list) |
| 48 | (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)") |
| 49 | (setq symbol-list |
| 50 | (cons (buffer-substring (match-beginning 1) (match-end 1)) |
| 51 | symbol-list)) |
| 52 | (forward-line 1)) |
| 53 | (setq symbol-list (nreverse symbol-list)) |
| 54 | ;; Delete the section of syms_of_... where we initialize the symbols. |
| 55 | (search-forward "\n /\*&&& init symbols here &&&*\/\n") |
| 56 | (let ((start (point))) |
| 57 | (while (looking-at "^ Q") |
| 58 | (forward-line 2)) |
| 59 | (kill-region start (point))) |
| 60 | ;; Write a new symbol initialization section. |
| 61 | (while symbol-list |
| 62 | (insert (format " %s = intern (\"" (car symbol-list))) |
| 63 | (let ((start (point))) |
| 64 | (insert (substring (car symbol-list) 1)) |
| 65 | (subst-char-in-region start (point) ?_ ?-)) |
| 66 | (insert (format "\");\n staticpro (&%s);\n" (car symbol-list))) |
| 67 | (setq symbol-list (cdr symbol-list))))) |
| 68 | */ |
| 69 | |
| 70 | /*&&& symbols declared here &&&*/ |
| 71 | Lisp_Object Qframep; |
| 72 | Lisp_Object Qlive_frame_p; |
| 73 | Lisp_Object Qheight; |
| 74 | Lisp_Object Qicon; |
| 75 | Lisp_Object Qminibuffer; |
| 76 | Lisp_Object Qmodeline; |
| 77 | Lisp_Object Qname; |
| 78 | Lisp_Object Qnone; |
| 79 | Lisp_Object Qonly; |
| 80 | Lisp_Object Qunsplittable; |
| 81 | Lisp_Object Qwidth; |
| 82 | Lisp_Object Qx; |
| 83 | |
| 84 | extern Lisp_Object Vminibuffer_list; |
| 85 | extern Lisp_Object get_minibuffer (); |
| 86 | \f |
| 87 | DEFUN ("framep", Fframep, Sframep, 1, 1, 0, |
| 88 | "Return non-nil if OBJECT is a frame.\n\ |
| 89 | Value is t for a termcap frame (a character-only terminal),\n\ |
| 90 | `x' for an Emacs frame that is really an X window.\n\ |
| 91 | Also see `live-frame-p'.") |
| 92 | (object) |
| 93 | Lisp_Object object; |
| 94 | { |
| 95 | if (XTYPE (object) != Lisp_Frame) |
| 96 | return Qnil; |
| 97 | switch (XFRAME (object)->output_method) |
| 98 | { |
| 99 | case output_termcap: |
| 100 | return Qt; |
| 101 | case output_x_window: |
| 102 | return Qx; |
| 103 | default: |
| 104 | abort (); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | DEFUN ("live-frame-p", Flive_frame_p, Slive_frame_p, 1, 1, 0, |
| 109 | "Return non-nil if OBJECT is a frame which has not been deleted.\n\ |
| 110 | Value is nil if OBJECT is not a live frame. If object is a live\n\ |
| 111 | frame, the return value indicates what sort of output device it is\n\ |
| 112 | displayed on. Value is t for a termcap frame (a character-only\n\ |
| 113 | terminal), `x' for an Emacs frame being displayed in an X window.") |
| 114 | (object) |
| 115 | Lisp_Object object; |
| 116 | { |
| 117 | return ((FRAMEP (object) |
| 118 | && FRAME_LIVE_P (XFRAME (object))) |
| 119 | ? Fframep (object) |
| 120 | : Qnil); |
| 121 | } |
| 122 | |
| 123 | struct frame * |
| 124 | make_frame (mini_p) |
| 125 | int mini_p; |
| 126 | { |
| 127 | Lisp_Object frame; |
| 128 | register struct frame *f; |
| 129 | register Lisp_Object root_window; |
| 130 | register Lisp_Object mini_window; |
| 131 | |
| 132 | frame = Fmake_vector (((sizeof (struct frame) - (sizeof (Lisp_Vector) |
| 133 | - sizeof (Lisp_Object))) |
| 134 | / sizeof (Lisp_Object)), |
| 135 | make_number (0)); |
| 136 | XSETTYPE (frame, Lisp_Frame); |
| 137 | f = XFRAME (frame); |
| 138 | |
| 139 | f->cursor_x = 0; |
| 140 | f->cursor_y = 0; |
| 141 | f->current_glyphs = 0; |
| 142 | f->desired_glyphs = 0; |
| 143 | f->visible = 0; |
| 144 | f->display.nothing = 0; |
| 145 | f->iconified = 0; |
| 146 | f->wants_modeline = 1; |
| 147 | f->auto_raise = 0; |
| 148 | f->auto_lower = 0; |
| 149 | f->no_split = 0; |
| 150 | f->garbaged = 0; |
| 151 | f->has_minibuffer = mini_p; |
| 152 | f->focus_frame = frame; |
| 153 | f->explicit_name = 0; |
| 154 | |
| 155 | f->param_alist = Qnil; |
| 156 | |
| 157 | root_window = make_window (); |
| 158 | if (mini_p) |
| 159 | { |
| 160 | mini_window = make_window (); |
| 161 | XWINDOW (root_window)->next = mini_window; |
| 162 | XWINDOW (mini_window)->prev = root_window; |
| 163 | XWINDOW (mini_window)->mini_p = Qt; |
| 164 | XWINDOW (mini_window)->frame = frame; |
| 165 | f->minibuffer_window = mini_window; |
| 166 | } |
| 167 | else |
| 168 | { |
| 169 | mini_window = Qnil; |
| 170 | XWINDOW (root_window)->next = Qnil; |
| 171 | f->minibuffer_window = Qnil; |
| 172 | } |
| 173 | |
| 174 | XWINDOW (root_window)->frame = frame; |
| 175 | |
| 176 | /* 10 is arbitrary, |
| 177 | just so that there is "something there." |
| 178 | Correct size will be set up later with change_frame_size. */ |
| 179 | |
| 180 | f->width = 10; |
| 181 | f->height = 10; |
| 182 | |
| 183 | XFASTINT (XWINDOW (root_window)->width) = 10; |
| 184 | XFASTINT (XWINDOW (root_window)->height) = (mini_p ? 9 : 10); |
| 185 | |
| 186 | if (mini_p) |
| 187 | { |
| 188 | XFASTINT (XWINDOW (mini_window)->width) = 10; |
| 189 | XFASTINT (XWINDOW (mini_window)->top) = 9; |
| 190 | XFASTINT (XWINDOW (mini_window)->height) = 1; |
| 191 | } |
| 192 | |
| 193 | /* Choose a buffer for the frame's root window. */ |
| 194 | { |
| 195 | Lisp_Object buf; |
| 196 | |
| 197 | XWINDOW (root_window)->buffer = Qt; |
| 198 | buf = Fcurrent_buffer (); |
| 199 | /* If buf is a 'hidden' buffer (i.e. one whose name starts with |
| 200 | a space), try to find another one. */ |
| 201 | if (XSTRING (Fbuffer_name (buf))->data[0] == ' ') |
| 202 | buf = Fother_buffer (buf); |
| 203 | Fset_window_buffer (root_window, buf); |
| 204 | } |
| 205 | |
| 206 | if (mini_p) |
| 207 | { |
| 208 | XWINDOW (mini_window)->buffer = Qt; |
| 209 | Fset_window_buffer (mini_window, |
| 210 | (NILP (Vminibuffer_list) |
| 211 | ? get_minibuffer (0) |
| 212 | : Fcar (Vminibuffer_list))); |
| 213 | } |
| 214 | |
| 215 | f->root_window = root_window; |
| 216 | f->selected_window = root_window; |
| 217 | /* Make sure this window seems more recently used than |
| 218 | a newly-created, never-selected window. */ |
| 219 | XFASTINT (XWINDOW (f->selected_window)->use_time) = ++window_select_count; |
| 220 | |
| 221 | Vframe_list = Fcons (frame, Vframe_list); |
| 222 | |
| 223 | return f; |
| 224 | } |
| 225 | \f |
| 226 | /* Make a frame using a separate minibuffer window on another frame. |
| 227 | MINI_WINDOW is the minibuffer window to use. nil means use the |
| 228 | default (the global minibuffer). */ |
| 229 | |
| 230 | struct frame * |
| 231 | make_frame_without_minibuffer (mini_window) |
| 232 | register Lisp_Object mini_window; |
| 233 | { |
| 234 | register struct frame *f; |
| 235 | |
| 236 | /* Choose the minibuffer window to use. */ |
| 237 | if (NILP (mini_window)) |
| 238 | { |
| 239 | if (XTYPE (Vdefault_minibuffer_frame) != Lisp_Frame) |
| 240 | error ("default-minibuffer-frame must be set when creating minibufferless frames"); |
| 241 | if (! FRAME_LIVE_P (XFRAME (Vdefault_minibuffer_frame))) |
| 242 | error ("default-minibuffer-frame must be a live frame"); |
| 243 | mini_window = XFRAME (Vdefault_minibuffer_frame)->minibuffer_window; |
| 244 | } |
| 245 | else |
| 246 | { |
| 247 | CHECK_WINDOW (mini_window, 0); |
| 248 | } |
| 249 | |
| 250 | /* Make a frame containing just a root window. */ |
| 251 | f = make_frame (0); |
| 252 | |
| 253 | /* Install the chosen minibuffer window, with proper buffer. */ |
| 254 | f->minibuffer_window = mini_window; |
| 255 | Fset_window_buffer (mini_window, |
| 256 | (NILP (Vminibuffer_list) |
| 257 | ? get_minibuffer (0) |
| 258 | : Fcar (Vminibuffer_list))); |
| 259 | return f; |
| 260 | } |
| 261 | |
| 262 | /* Make a frame containing only a minibuffer window. */ |
| 263 | |
| 264 | struct frame * |
| 265 | make_minibuffer_frame () |
| 266 | { |
| 267 | /* First make a frame containing just a root window, no minibuffer. */ |
| 268 | |
| 269 | register struct frame *f = make_frame (0); |
| 270 | register Lisp_Object mini_window; |
| 271 | register Lisp_Object frame; |
| 272 | |
| 273 | XSET (frame, Lisp_Frame, f); |
| 274 | |
| 275 | f->auto_raise = 0; |
| 276 | f->auto_lower = 0; |
| 277 | f->no_split = 1; |
| 278 | f->wants_modeline = 0; |
| 279 | f->has_minibuffer = 1; |
| 280 | |
| 281 | /* Now label the root window as also being the minibuffer. |
| 282 | Avoid infinite looping on the window chain by marking next pointer |
| 283 | as nil. */ |
| 284 | |
| 285 | mini_window = f->minibuffer_window = f->root_window; |
| 286 | XWINDOW (mini_window)->mini_p = Qt; |
| 287 | XWINDOW (mini_window)->next = Qnil; |
| 288 | XWINDOW (mini_window)->prev = Qnil; |
| 289 | XWINDOW (mini_window)->frame = frame; |
| 290 | |
| 291 | /* Put the proper buffer in that window. */ |
| 292 | |
| 293 | Fset_window_buffer (mini_window, |
| 294 | (NILP (Vminibuffer_list) |
| 295 | ? get_minibuffer (0) |
| 296 | : Fcar (Vminibuffer_list))); |
| 297 | return f; |
| 298 | } |
| 299 | \f |
| 300 | /* Construct a frame that refers to the terminal (stdin and stdout). */ |
| 301 | |
| 302 | struct frame * |
| 303 | make_terminal_frame () |
| 304 | { |
| 305 | register struct frame *f; |
| 306 | |
| 307 | Vframe_list = Qnil; |
| 308 | f = make_frame (1); |
| 309 | f->name = build_string ("terminal"); |
| 310 | f->visible = 1; |
| 311 | f->display.nothing = 1; /* Nonzero means frame isn't deleted. */ |
| 312 | XSET (Vterminal_frame, Lisp_Frame, f); |
| 313 | return f; |
| 314 | } |
| 315 | \f |
| 316 | DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, 0, |
| 317 | "Select the frame FRAME. FRAMES's selected window becomes \"the\"\n\ |
| 318 | selected window. If the optional parameter NO-ENTER is non-nil, don't\n\ |
| 319 | focus on that frame.") |
| 320 | (frame, no_enter) |
| 321 | Lisp_Object frame, no_enter; |
| 322 | { |
| 323 | CHECK_LIVE_FRAME (frame, 0); |
| 324 | |
| 325 | if (selected_frame == XFRAME (frame)) |
| 326 | return frame; |
| 327 | |
| 328 | selected_frame = XFRAME (frame); |
| 329 | if (! FRAME_MINIBUF_ONLY_P (selected_frame)) |
| 330 | last_nonminibuf_frame = selected_frame; |
| 331 | |
| 332 | Fselect_window (XFRAME (frame)->selected_window); |
| 333 | |
| 334 | #ifdef HAVE_X_WINDOWS |
| 335 | #ifdef MULTI_FRAME |
| 336 | if (FRAME_X_P (XFRAME (frame)) |
| 337 | && NILP (no_enter)) |
| 338 | { |
| 339 | Ffocus_frame (frame); |
| 340 | } |
| 341 | #endif |
| 342 | #endif |
| 343 | choose_minibuf_frame (); |
| 344 | |
| 345 | return frame; |
| 346 | } |
| 347 | |
| 348 | DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0, |
| 349 | "Return the frame that is now selected.") |
| 350 | () |
| 351 | { |
| 352 | Lisp_Object tem; |
| 353 | XSET (tem, Lisp_Frame, selected_frame); |
| 354 | return tem; |
| 355 | } |
| 356 | |
| 357 | DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0, |
| 358 | "Return the frame object that window WINDOW is on.") |
| 359 | (window) |
| 360 | Lisp_Object window; |
| 361 | { |
| 362 | CHECK_WINDOW (window, 0); |
| 363 | return XWINDOW (window)->frame; |
| 364 | } |
| 365 | |
| 366 | DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0, |
| 367 | "Returns the root-window of FRAME.") |
| 368 | (frame) |
| 369 | Lisp_Object frame; |
| 370 | { |
| 371 | if (NILP (frame)) |
| 372 | XSET (frame, Lisp_Frame, selected_frame); |
| 373 | else |
| 374 | CHECK_LIVE_FRAME (frame, 0); |
| 375 | |
| 376 | return XFRAME (frame)->root_window; |
| 377 | } |
| 378 | |
| 379 | DEFUN ("frame-selected-window", Fframe_selected_window, |
| 380 | Sframe_selected_window, 0, 1, 0, |
| 381 | "Return the selected window of frame object FRAME.") |
| 382 | (frame) |
| 383 | Lisp_Object frame; |
| 384 | { |
| 385 | if (NILP (frame)) |
| 386 | XSET (frame, Lisp_Frame, selected_frame); |
| 387 | else |
| 388 | CHECK_LIVE_FRAME (frame, 0); |
| 389 | |
| 390 | return XFRAME (frame)->selected_window; |
| 391 | } |
| 392 | |
| 393 | DEFUN ("frame-list", Fframe_list, Sframe_list, |
| 394 | 0, 0, 0, |
| 395 | "Return a list of all frames.") |
| 396 | () |
| 397 | { |
| 398 | return Fcopy_sequence (Vframe_list); |
| 399 | } |
| 400 | |
| 401 | #ifdef MULTI_FRAME |
| 402 | |
| 403 | /* Return the next frame in the frame list after FRAME. |
| 404 | If MINIBUF is nil, exclude minibuffer-only frames. |
| 405 | If MINIBUF is a window, include only frames using that window for |
| 406 | their minibuffer. |
| 407 | If MINIBUF is non-nil, and not a window, include all frames. */ |
| 408 | Lisp_Object |
| 409 | next_frame (frame, minibuf) |
| 410 | Lisp_Object frame; |
| 411 | Lisp_Object minibuf; |
| 412 | { |
| 413 | Lisp_Object tail; |
| 414 | int passed = 0; |
| 415 | |
| 416 | /* There must always be at least one frame in Vframe_list. */ |
| 417 | if (! CONSP (Vframe_list)) |
| 418 | abort (); |
| 419 | |
| 420 | while (1) |
| 421 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 422 | { |
| 423 | Lisp_Object f = XCONS (tail)->car; |
| 424 | |
| 425 | if (passed) |
| 426 | { |
| 427 | /* Decide whether this frame is eligible to be returned. */ |
| 428 | |
| 429 | /* If we've looped all the way around without finding any |
| 430 | eligible frames, return the original frame. */ |
| 431 | if (EQ (f, frame)) |
| 432 | return f; |
| 433 | |
| 434 | /* Let minibuf decide if this frame is acceptable. */ |
| 435 | if (NILP (minibuf)) |
| 436 | { |
| 437 | if (! FRAME_MINIBUF_ONLY_P (XFRAME (f))) |
| 438 | return f; |
| 439 | } |
| 440 | else if (XTYPE (minibuf) == Lisp_Window) |
| 441 | { |
| 442 | if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)) |
| 443 | return f; |
| 444 | } |
| 445 | else |
| 446 | return f; |
| 447 | } |
| 448 | |
| 449 | if (EQ (frame, f)) |
| 450 | passed++; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | #if 0 |
| 455 | /* Nobody seems to be using this code right now. */ |
| 456 | |
| 457 | /* Return the previous frame in the frame list before FRAME. |
| 458 | If MINIBUF is nil, exclude minibuffer-only frames. |
| 459 | If MINIBUF is a window, include only frames using that window for |
| 460 | their minibuffer. |
| 461 | If MINIBUF is non-nil and not a window, include all frames. */ |
| 462 | Lisp_Object |
| 463 | prev_frame (frame, minibuf) |
| 464 | Lisp_Object frame; |
| 465 | Lisp_Object minibuf; |
| 466 | { |
| 467 | Lisp_Object tail; |
| 468 | Lisp_Object prev; |
| 469 | |
| 470 | /* There must always be at least one frame in Vframe_list. */ |
| 471 | if (! CONSP (Vframe_list)) |
| 472 | abort (); |
| 473 | |
| 474 | prev = Qnil; |
| 475 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 476 | { |
| 477 | Lisp_Object f = XCONS (tail)->car; |
| 478 | |
| 479 | if (XTYPE (f) != Lisp_Frame) |
| 480 | abort (); |
| 481 | |
| 482 | if (EQ (frame, f) && !NILP (prev)) |
| 483 | return prev; |
| 484 | |
| 485 | /* Decide whether this frame is eligible to be returned, |
| 486 | according to minibuf. */ |
| 487 | if (NILP (minibuf)) |
| 488 | { |
| 489 | if (! FRAME_MINIBUF_ONLY_P (XFRAME (f))) |
| 490 | prev = f; |
| 491 | } |
| 492 | else if (XTYPE (minibuf) == Lisp_Window) |
| 493 | { |
| 494 | if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)) |
| 495 | prev = f; |
| 496 | } |
| 497 | else |
| 498 | prev = f; |
| 499 | } |
| 500 | |
| 501 | /* We've scanned the entire list. */ |
| 502 | if (NILP (prev)) |
| 503 | /* We went through the whole frame list without finding a single |
| 504 | acceptable frame. Return the original frame. */ |
| 505 | return frame; |
| 506 | else |
| 507 | /* There were no acceptable frames in the list before FRAME; otherwise, |
| 508 | we would have returned directly from the loop. Since PREV is the last |
| 509 | acceptable frame in the list, return it. */ |
| 510 | return prev; |
| 511 | } |
| 512 | #endif |
| 513 | |
| 514 | DEFUN ("next-frame", Fnext_frame, Snext_frame, 0, 2, 0, |
| 515 | "Return the next frame in the frame list after FRAME.\n\ |
| 516 | If omitted, FRAME defaults to the selected frame.\n\ |
| 517 | If optional argument MINIBUF is nil or omitted, exclude minibuffer-only frames.\n\ |
| 518 | If MINIBUF is a window, include only frames using that window for their\n\ |
| 519 | minibuffer.\n\ |
| 520 | If MINIBUF is non-nil and not a window, include all frames.") |
| 521 | (frame, miniframe) |
| 522 | Lisp_Object frame, miniframe; |
| 523 | { |
| 524 | Lisp_Object tail; |
| 525 | |
| 526 | if (NILP (frame)) |
| 527 | XSET (frame, Lisp_Frame, selected_frame); |
| 528 | else |
| 529 | CHECK_LIVE_FRAME (frame, 0); |
| 530 | |
| 531 | return next_frame (frame, miniframe); |
| 532 | } |
| 533 | #endif /* MULTI_FRAME */ |
| 534 | \f |
| 535 | DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 1, "", |
| 536 | "Delete FRAME, permanently eliminating it from use.\n\ |
| 537 | If omitted, FRAME defaults to the selected frame.\n\ |
| 538 | A frame may not be deleted if its minibuffer is used by other frames.") |
| 539 | (frame) |
| 540 | Lisp_Object frame; |
| 541 | { |
| 542 | struct frame *f; |
| 543 | union display displ; |
| 544 | |
| 545 | if (EQ (frame, Qnil)) |
| 546 | { |
| 547 | f = selected_frame; |
| 548 | XSET (frame, Lisp_Frame, f); |
| 549 | } |
| 550 | else |
| 551 | { |
| 552 | CHECK_FRAME (frame, 0); |
| 553 | f = XFRAME (frame); |
| 554 | } |
| 555 | |
| 556 | if (! FRAME_LIVE_P (f)) |
| 557 | return; |
| 558 | |
| 559 | /* Are there any other frames besides this one? */ |
| 560 | if (f == selected_frame && EQ (next_frame (frame, Qt), frame)) |
| 561 | error ("Attempt to delete the only frame"); |
| 562 | |
| 563 | /* Does this frame have a minibuffer, and is it the surrogate |
| 564 | minibuffer for any other frame? */ |
| 565 | if (FRAME_HAS_MINIBUF_P (XFRAME (frame))) |
| 566 | { |
| 567 | Lisp_Object frames; |
| 568 | |
| 569 | for (frames = Vframe_list; |
| 570 | CONSP (frames); |
| 571 | frames = XCONS (frames)->cdr) |
| 572 | { |
| 573 | Lisp_Object this = XCONS (frames)->car; |
| 574 | |
| 575 | if (! EQ (this, frame) |
| 576 | && EQ (frame, |
| 577 | (WINDOW_FRAME |
| 578 | (XWINDOW |
| 579 | (FRAME_MINIBUF_WINDOW |
| 580 | (XFRAME (this))))))) |
| 581 | error ("Attempt to delete a surrogate minibuffer frame"); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | /* Don't let the frame remain selected. */ |
| 586 | if (f == selected_frame) |
| 587 | Fselect_frame (next_frame (frame, Qt)); |
| 588 | |
| 589 | /* Don't allow minibuf_window to remain on a deleted frame. */ |
| 590 | if (EQ (f->minibuffer_window, minibuf_window)) |
| 591 | { |
| 592 | Fset_window_buffer (selected_frame->minibuffer_window, |
| 593 | XWINDOW (minibuf_window)->buffer); |
| 594 | minibuf_window = selected_frame->minibuffer_window; |
| 595 | } |
| 596 | |
| 597 | Vframe_list = Fdelq (frame, Vframe_list); |
| 598 | f->visible = 0; |
| 599 | displ = f->display; |
| 600 | f->display.nothing = 0; |
| 601 | |
| 602 | #ifdef HAVE_X_WINDOWS |
| 603 | if (FRAME_X_P (f)) |
| 604 | x_destroy_window (f, displ); |
| 605 | #endif |
| 606 | |
| 607 | /* If we've deleted the last_nonminibuf_frame, then try to find |
| 608 | another one. */ |
| 609 | if (f == last_nonminibuf_frame) |
| 610 | { |
| 611 | Lisp_Object frames; |
| 612 | |
| 613 | last_nonminibuf_frame = 0; |
| 614 | |
| 615 | for (frames = Vframe_list; |
| 616 | CONSP (frames); |
| 617 | frames = XCONS (frames)->cdr) |
| 618 | { |
| 619 | f = XFRAME (XCONS (frames)->car); |
| 620 | if (!FRAME_MINIBUF_ONLY_P (f)) |
| 621 | { |
| 622 | last_nonminibuf_frame = f; |
| 623 | break; |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | /* If we've deleted Vdefault_minibuffer_frame, try to find another |
| 629 | one. Prefer minibuffer-only frames, but also notice frames |
| 630 | with other windows. */ |
| 631 | if (EQ (frame, Vdefault_minibuffer_frame)) |
| 632 | { |
| 633 | Lisp_Object frames; |
| 634 | |
| 635 | /* The last frame we saw with a minibuffer, minibuffer-only or not. */ |
| 636 | Lisp_Object frame_with_minibuf = Qnil; |
| 637 | |
| 638 | for (frames = Vframe_list; |
| 639 | CONSP (frames); |
| 640 | frames = XCONS (frames)->cdr) |
| 641 | { |
| 642 | Lisp_Object this = XCONS (frames)->car; |
| 643 | |
| 644 | if (XTYPE (this) != Lisp_Frame) |
| 645 | abort (); |
| 646 | f = XFRAME (this); |
| 647 | |
| 648 | if (FRAME_HAS_MINIBUF_P (f)) |
| 649 | { |
| 650 | frame_with_minibuf = this; |
| 651 | if (FRAME_MINIBUF_ONLY_P (f)) |
| 652 | break; |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | /* We know that there must be some frame with a minibuffer out |
| 657 | there. If this were not true, all of the frames present |
| 658 | would have to be minibufferless, which implies that at some |
| 659 | point their minibuffer frames must have been deleted, but |
| 660 | that is prohibited at the top; you can't delete surrogate |
| 661 | minibuffer frames. */ |
| 662 | if (NILP (frame_with_minibuf)) |
| 663 | abort (); |
| 664 | |
| 665 | Vdefault_minibuffer_frame = frame_with_minibuf; |
| 666 | } |
| 667 | |
| 668 | return Qnil; |
| 669 | } |
| 670 | \f |
| 671 | /* Return mouse position in character cell units. */ |
| 672 | |
| 673 | DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0, |
| 674 | "Return a list (FRAME X . Y) giving the current mouse frame and position.\n\ |
| 675 | If Emacs is running on a mouseless terminal or hasn't been programmed\n\ |
| 676 | to read the mouse position, it returns the selected frame for FRAME\n\ |
| 677 | and nil for X and Y.") |
| 678 | () |
| 679 | { |
| 680 | Lisp_Object x, y, dummy; |
| 681 | FRAME_PTR f; |
| 682 | |
| 683 | if (mouse_position_hook) |
| 684 | (*mouse_position_hook) (&f, &x, &y, &dummy); |
| 685 | else |
| 686 | { |
| 687 | f = selected_frame; |
| 688 | x = y = Qnil; |
| 689 | } |
| 690 | |
| 691 | XSET (dummy, Lisp_Frame, f); |
| 692 | return Fcons (dummy, Fcons (make_number (x), make_number (y))); |
| 693 | } |
| 694 | |
| 695 | DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0, |
| 696 | "Move the mouse pointer to the center of cell (X,Y) in FRAME.\n\ |
| 697 | WARNING: If you use this under X, you should do `unfocus-frame' afterwards.") |
| 698 | (frame, x, y) |
| 699 | Lisp_Object frame, x, y; |
| 700 | { |
| 701 | CHECK_LIVE_FRAME (frame, 0); |
| 702 | CHECK_NUMBER (x, 2); |
| 703 | CHECK_NUMBER (y, 1); |
| 704 | |
| 705 | #ifdef HAVE_X_WINDOWS |
| 706 | if (FRAME_X_P (XFRAME (frame))) |
| 707 | /* Warping the mouse will cause enternotify and focus events. */ |
| 708 | x_set_mouse_position (XFRAME (frame), x, y); |
| 709 | #endif |
| 710 | |
| 711 | return Qnil; |
| 712 | } |
| 713 | \f |
| 714 | #if 0 |
| 715 | /* ??? Can this be replaced with a Lisp function? |
| 716 | It is used in minibuf.c. Can we get rid of that? |
| 717 | Yes. All uses in minibuf.c are gone, and parallels to these |
| 718 | functions have been defined in frame.el. */ |
| 719 | |
| 720 | DEFUN ("frame-configuration", Fframe_configuration, Sframe_configuration, |
| 721 | 0, 0, 0, |
| 722 | "Return object describing current frame configuration.\n\ |
| 723 | The frame configuration is the current mouse position and selected frame.\n\ |
| 724 | This object can be given to `restore-frame-configuration'\n\ |
| 725 | to restore this frame configuration.") |
| 726 | () |
| 727 | { |
| 728 | Lisp_Object c, time; |
| 729 | |
| 730 | c = Fmake_vector (make_number(4), Qnil); |
| 731 | XVECTOR (c)->contents[0] = Fselected_frame(); |
| 732 | if (mouse_position_hook) |
| 733 | (*mouse_position_hook) (&XVECTOR (c)->contents[1] |
| 734 | &XVECTOR (c)->contents[2], |
| 735 | &XVECTOR (c)->contents[3], |
| 736 | &time); |
| 737 | return c; |
| 738 | } |
| 739 | |
| 740 | DEFUN ("restore-frame-configuration", Frestore_frame_configuration, |
| 741 | Srestore_frame_configuration, |
| 742 | 1, 1, 0, |
| 743 | "Restores frame configuration CONFIGURATION.") |
| 744 | (config) |
| 745 | Lisp_Object config; |
| 746 | { |
| 747 | Lisp_Object x_pos, y_pos, frame; |
| 748 | |
| 749 | CHECK_VECTOR (config, 0); |
| 750 | if (XVECTOR (config)->size != 3) |
| 751 | { |
| 752 | error ("Wrong size vector passed to restore-frame-configuration"); |
| 753 | } |
| 754 | frame = XVECTOR (config)->contents[0]; |
| 755 | CHECK_LIVE_FRAME (frame, 0); |
| 756 | |
| 757 | Fselect_frame (frame, Qnil); |
| 758 | |
| 759 | #if 0 |
| 760 | /* This seems to interfere with the frame selection mechanism. jla */ |
| 761 | x_pos = XVECTOR (config)->contents[2]; |
| 762 | y_pos = XVECTOR (config)->contents[3]; |
| 763 | set_mouse_position (frame, XINT (x_pos), XINT (y_pos)); |
| 764 | #endif |
| 765 | |
| 766 | return frame; |
| 767 | } |
| 768 | #endif |
| 769 | \f |
| 770 | DEFUN ("make-frame-visible", Fmake_frame_visible, Smake_frame_visible, |
| 771 | 0, 1, 0, |
| 772 | "Make the frame FRAME visible (assuming it is an X-window).\n\ |
| 773 | Also raises the frame so that nothing obscures it.") |
| 774 | (frame) |
| 775 | Lisp_Object frame; |
| 776 | { |
| 777 | if (NILP (frame)) |
| 778 | XSET (frame, Lisp_Frame, selected_frame); |
| 779 | |
| 780 | CHECK_LIVE_FRAME (frame, 0); |
| 781 | |
| 782 | #ifdef HAVE_X_WINDOWS |
| 783 | if (FRAME_X_P (XFRAME (frame))) |
| 784 | x_make_frame_visible (XFRAME (frame)); |
| 785 | #endif |
| 786 | |
| 787 | return frame; |
| 788 | } |
| 789 | |
| 790 | DEFUN ("make-frame-invisible", Fmake_frame_invisible, Smake_frame_invisible, |
| 791 | 0, 1, "", |
| 792 | "Make the frame FRAME invisible (assuming it is an X-window).") |
| 793 | (frame) |
| 794 | Lisp_Object frame; |
| 795 | { |
| 796 | if (NILP (frame)) |
| 797 | XSET (frame, Lisp_Frame, selected_frame); |
| 798 | |
| 799 | CHECK_LIVE_FRAME (frame, 0); |
| 800 | |
| 801 | #ifdef HAVE_X_WINDOWS |
| 802 | if (FRAME_X_P (XFRAME (frame))) |
| 803 | x_make_frame_invisible (XFRAME (frame)); |
| 804 | #endif |
| 805 | |
| 806 | return Qnil; |
| 807 | } |
| 808 | |
| 809 | DEFUN ("iconify-frame", Ficonify_frame, Siconify_frame, |
| 810 | 0, 1, "", |
| 811 | "Make the frame FRAME into an icon.") |
| 812 | (frame) |
| 813 | Lisp_Object frame; |
| 814 | { |
| 815 | if (NILP (frame)) |
| 816 | XSET (frame, Lisp_Frame, selected_frame); |
| 817 | |
| 818 | CHECK_LIVE_FRAME (frame, 0); |
| 819 | |
| 820 | #ifdef HAVE_X_WINDOWS |
| 821 | if (FRAME_X_P (XFRAME (frame))) |
| 822 | x_iconify_frame (XFRAME (frame)); |
| 823 | #endif |
| 824 | |
| 825 | return Qnil; |
| 826 | } |
| 827 | |
| 828 | DEFUN ("frame-visible-p", Fframe_visible_p, Sframe_visible_p, |
| 829 | 1, 1, 0, |
| 830 | "Return t if FRAME is now \"visible\" (actually in use for display).\n\ |
| 831 | A frame that is not \"visible\" is not updated and, if it works through\n\ |
| 832 | a window system, it may not show at all.\n\ |
| 833 | Return the symbol `icon' if frame is visible only as an icon.") |
| 834 | (frame) |
| 835 | Lisp_Object frame; |
| 836 | { |
| 837 | CHECK_LIVE_FRAME (frame, 0); |
| 838 | |
| 839 | if (XFRAME (frame)->visible) |
| 840 | return Qt; |
| 841 | if (XFRAME (frame)->iconified) |
| 842 | return Qicon; |
| 843 | return Qnil; |
| 844 | } |
| 845 | |
| 846 | DEFUN ("visible-frame-list", Fvisible_frame_list, Svisible_frame_list, |
| 847 | 0, 0, 0, |
| 848 | "Return a list of all frames now \"visible\" (being updated).") |
| 849 | () |
| 850 | { |
| 851 | Lisp_Object tail, frame; |
| 852 | struct frame *f; |
| 853 | Lisp_Object value; |
| 854 | |
| 855 | value = Qnil; |
| 856 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
| 857 | { |
| 858 | frame = XCONS (tail)->car; |
| 859 | if (XTYPE (frame) != Lisp_Frame) |
| 860 | continue; |
| 861 | f = XFRAME (frame); |
| 862 | if (f->visible) |
| 863 | value = Fcons (frame, value); |
| 864 | } |
| 865 | return value; |
| 866 | } |
| 867 | |
| 868 | |
| 869 | \f |
| 870 | DEFUN ("redirect-frame-focus", Fredirect_frame_focus, Sredirect_frame_focus, |
| 871 | 1, 2, 0, |
| 872 | "Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.\n\ |
| 873 | This means that, after reading a keystroke typed at FRAME,\n\ |
| 874 | `last-event-frame' will be FOCUS-FRAME.\n\ |
| 875 | \n\ |
| 876 | If FOCUS-FRAME is omitted or eq to FRAME, any existing redirection is\n\ |
| 877 | cancelled, and the frame again receives its own keystrokes.\n\ |
| 878 | \n\ |
| 879 | The redirection lasts until the next call to `redirect-frame-focus'\n\ |
| 880 | or `select-frame'.\n\ |
| 881 | \n\ |
| 882 | This is useful for temporarily redirecting keystrokes to the minibuffer\n\ |
| 883 | window when a frame doesn't have its own minibuffer.") |
| 884 | (frame, focus_frame) |
| 885 | Lisp_Object frame, focus_frame; |
| 886 | { |
| 887 | CHECK_LIVE_FRAME (frame, 0); |
| 888 | |
| 889 | if (NILP (focus_frame)) |
| 890 | focus_frame = frame; |
| 891 | else |
| 892 | CHECK_LIVE_FRAME (focus_frame, 1); |
| 893 | |
| 894 | XFRAME (frame)->focus_frame = focus_frame; |
| 895 | |
| 896 | if (frame_rehighlight_hook) |
| 897 | (*frame_rehighlight_hook) (); |
| 898 | |
| 899 | return Qnil; |
| 900 | } |
| 901 | |
| 902 | |
| 903 | DEFUN ("frame-focus", Fframe_focus, Sframe_focus, 1, 1, 0, |
| 904 | "Return the frame to which FRAME's keystrokes are currently being sent.\n\ |
| 905 | See `redirect-frame-focus'.") |
| 906 | (frame) |
| 907 | Lisp_Object frame; |
| 908 | { |
| 909 | CHECK_LIVE_FRAME (frame, 0); |
| 910 | return FRAME_FOCUS_FRAME (XFRAME (frame)); |
| 911 | } |
| 912 | |
| 913 | |
| 914 | \f |
| 915 | Lisp_Object |
| 916 | get_frame_param (frame, prop) |
| 917 | register struct frame *frame; |
| 918 | Lisp_Object prop; |
| 919 | { |
| 920 | register Lisp_Object tem; |
| 921 | |
| 922 | tem = Fassq (prop, frame->param_alist); |
| 923 | if (EQ (tem, Qnil)) |
| 924 | return tem; |
| 925 | return Fcdr (tem); |
| 926 | } |
| 927 | |
| 928 | void |
| 929 | store_in_alist (alistptr, prop, val) |
| 930 | Lisp_Object *alistptr, val; |
| 931 | Lisp_Object prop; |
| 932 | { |
| 933 | register Lisp_Object tem; |
| 934 | |
| 935 | tem = Fassq (prop, *alistptr); |
| 936 | if (EQ (tem, Qnil)) |
| 937 | *alistptr = Fcons (Fcons (prop, val), *alistptr); |
| 938 | else |
| 939 | Fsetcdr (tem, val); |
| 940 | } |
| 941 | |
| 942 | void |
| 943 | store_frame_param (f, prop, val) |
| 944 | struct frame *f; |
| 945 | Lisp_Object prop, val; |
| 946 | { |
| 947 | register Lisp_Object tem; |
| 948 | |
| 949 | tem = Fassq (prop, f->param_alist); |
| 950 | if (EQ (tem, Qnil)) |
| 951 | f->param_alist = Fcons (Fcons (prop, val), f->param_alist); |
| 952 | else |
| 953 | Fsetcdr (tem, val); |
| 954 | |
| 955 | if (EQ (prop, Qminibuffer) |
| 956 | && XTYPE (val) == Lisp_Window) |
| 957 | { |
| 958 | if (! MINI_WINDOW_P (XWINDOW (val))) |
| 959 | error ("Surrogate minibuffer windows must be minibuffer windows."); |
| 960 | |
| 961 | if (FRAME_HAS_MINIBUF_P (f) || FRAME_MINIBUF_ONLY_P (f)) |
| 962 | error ("Can't change the surrogate minibuffer of a frame with its own minibuffer."); |
| 963 | |
| 964 | /* Install the chosen minibuffer window, with proper buffer. */ |
| 965 | f->minibuffer_window = val; |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | DEFUN ("frame-parameters", Fframe_parameters, Sframe_parameters, 0, 1, 0, |
| 970 | "Return the parameters-alist of frame FRAME.\n\ |
| 971 | It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.\n\ |
| 972 | The meaningful PARMs depend on the kind of frame.\n\ |
| 973 | If FRAME is omitted, return information on the currently selected frame.") |
| 974 | (frame) |
| 975 | Lisp_Object frame; |
| 976 | { |
| 977 | Lisp_Object alist; |
| 978 | struct frame *f; |
| 979 | |
| 980 | if (EQ (frame, Qnil)) |
| 981 | f = selected_frame; |
| 982 | else |
| 983 | { |
| 984 | CHECK_FRAME (frame, 0); |
| 985 | f = XFRAME (frame); |
| 986 | } |
| 987 | |
| 988 | if (f->display.nothing == 0) |
| 989 | return Qnil; |
| 990 | |
| 991 | alist = Fcopy_alist (f->param_alist); |
| 992 | store_in_alist (&alist, Qname, f->name); |
| 993 | store_in_alist (&alist, Qheight, make_number (f->height)); |
| 994 | store_in_alist (&alist, Qwidth, make_number (f->width)); |
| 995 | store_in_alist (&alist, Qmodeline, (f->wants_modeline ? Qt : Qnil)); |
| 996 | store_in_alist (&alist, Qminibuffer, |
| 997 | (! FRAME_HAS_MINIBUF_P (f) ? Qnone |
| 998 | : (FRAME_MINIBUF_ONLY_P (f) ? Qonly |
| 999 | : FRAME_MINIBUF_WINDOW (f)))); |
| 1000 | store_in_alist (&alist, Qunsplittable, (f->no_split ? Qt : Qnil)); |
| 1001 | |
| 1002 | #ifdef HAVE_X_WINDOWS |
| 1003 | if (FRAME_X_P (f)) |
| 1004 | x_report_frame_params (f, &alist); |
| 1005 | #endif |
| 1006 | return alist; |
| 1007 | } |
| 1008 | |
| 1009 | DEFUN ("modify-frame-parameters", Fmodify_frame_parameters, |
| 1010 | Smodify_frame_parameters, 2, 2, 0, |
| 1011 | "Modify the parameters of frame FRAME according to ALIST.\n\ |
| 1012 | ALIST is an alist of parameters to change and their new values.\n\ |
| 1013 | Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.\n\ |
| 1014 | The meaningful PARMs depend on the kind of frame; undefined PARMs are ignored.") |
| 1015 | (frame, alist) |
| 1016 | Lisp_Object frame, alist; |
| 1017 | { |
| 1018 | FRAME_PTR f; |
| 1019 | register Lisp_Object tail, elt, prop, val; |
| 1020 | |
| 1021 | if (EQ (frame, Qnil)) |
| 1022 | f = selected_frame; |
| 1023 | else |
| 1024 | { |
| 1025 | CHECK_LIVE_FRAME (frame, 0); |
| 1026 | f = XFRAME (frame); |
| 1027 | } |
| 1028 | |
| 1029 | #ifdef HAVE_X_WINDOWS |
| 1030 | if (FRAME_X_P (f)) |
| 1031 | #if 1 |
| 1032 | x_set_frame_parameters (f, alist); |
| 1033 | #else |
| 1034 | for (tail = alist; !EQ (tail, Qnil); tail = Fcdr (tail)) |
| 1035 | { |
| 1036 | elt = Fcar (tail); |
| 1037 | prop = Fcar (elt); |
| 1038 | val = Fcdr (elt); |
| 1039 | x_set_frame_param (f, prop, val, get_frame_param (f, prop)); |
| 1040 | store_frame_param (f, prop, val); |
| 1041 | } |
| 1042 | #endif |
| 1043 | #endif |
| 1044 | |
| 1045 | return Qnil; |
| 1046 | } |
| 1047 | \f |
| 1048 | |
| 1049 | #if 0 |
| 1050 | /* This function isn't useful enough by itself to include; we need to |
| 1051 | add functions to allow the user to find the size of a font before |
| 1052 | this is actually useful. */ |
| 1053 | |
| 1054 | DEFUN ("frame-pixel-size", Fframe_pixel_size, |
| 1055 | Sframe_pixel_size, 1, 1, 0, |
| 1056 | "Return a cons (width . height) of FRAME's size in pixels.") |
| 1057 | (frame) |
| 1058 | Lisp_Object frame; |
| 1059 | { |
| 1060 | register struct frame *f; |
| 1061 | int width, height; |
| 1062 | |
| 1063 | CHECK_LIVE_FRAME (frame, 0); |
| 1064 | f = XFRAME (frame); |
| 1065 | |
| 1066 | return Fcons (make_number (x_pixel_width (f)), |
| 1067 | make_number (x_pixel_height (f))); |
| 1068 | } |
| 1069 | #endif |
| 1070 | |
| 1071 | #if 0 |
| 1072 | /* These functions have no C callers, and can be written nicely in lisp. */ |
| 1073 | |
| 1074 | DEFUN ("frame-height", Fframe_height, Sframe_height, 0, 0, 0, |
| 1075 | "Return number of lines available for display on selected frame.") |
| 1076 | () |
| 1077 | { |
| 1078 | return make_number (FRAME_HEIGHT (selected_frame)); |
| 1079 | } |
| 1080 | |
| 1081 | DEFUN ("frame-width", Fframe_width, Sframe_width, 0, 0, 0, |
| 1082 | "Return number of columns available for display on selected frame.") |
| 1083 | () |
| 1084 | { |
| 1085 | return make_number (FRAME_WIDTH (selected_frame)); |
| 1086 | } |
| 1087 | #endif |
| 1088 | |
| 1089 | DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 3, 0, |
| 1090 | "Specify that the frame FRAME has LINES lines.\n\ |
| 1091 | Optional third arg non-nil means that redisplay should use LINES lines\n\ |
| 1092 | but that the idea of the actual height of the frame should not be changed.") |
| 1093 | (frame, rows, pretend) |
| 1094 | Lisp_Object frame, rows, pretend; |
| 1095 | { |
| 1096 | register struct frame *f; |
| 1097 | |
| 1098 | CHECK_NUMBER (rows, 0); |
| 1099 | if (NILP (frame)) |
| 1100 | f = selected_frame; |
| 1101 | else |
| 1102 | { |
| 1103 | CHECK_LIVE_FRAME (frame, 0); |
| 1104 | f = XFRAME (frame); |
| 1105 | } |
| 1106 | |
| 1107 | #ifdef HAVE_X_WINDOWS |
| 1108 | if (FRAME_X_P (f)) |
| 1109 | { |
| 1110 | if (XINT (rows) != f->width) |
| 1111 | x_set_window_size (f, f->width, XINT (rows)); |
| 1112 | } |
| 1113 | else |
| 1114 | #endif |
| 1115 | change_frame_size (f, XINT (rows), 0, !NILP (pretend), 0); |
| 1116 | return Qnil; |
| 1117 | } |
| 1118 | |
| 1119 | DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 3, 0, |
| 1120 | "Specify that the frame FRAME has COLS columns.\n\ |
| 1121 | Optional third arg non-nil means that redisplay should use COLS columns\n\ |
| 1122 | but that the idea of the actual width of the frame should not be changed.") |
| 1123 | (frame, cols, pretend) |
| 1124 | Lisp_Object frame, cols, pretend; |
| 1125 | { |
| 1126 | register struct frame *f; |
| 1127 | CHECK_NUMBER (cols, 0); |
| 1128 | if (NILP (frame)) |
| 1129 | f = selected_frame; |
| 1130 | else |
| 1131 | { |
| 1132 | CHECK_LIVE_FRAME (frame, 0); |
| 1133 | f = XFRAME (frame); |
| 1134 | } |
| 1135 | |
| 1136 | #ifdef HAVE_X_WINDOWS |
| 1137 | if (FRAME_X_P (f)) |
| 1138 | { |
| 1139 | if (XINT (cols) != f->width) |
| 1140 | x_set_window_size (f, XINT (cols), f->height); |
| 1141 | } |
| 1142 | else |
| 1143 | #endif |
| 1144 | change_frame_size (f, 0, XINT (cols), !NILP (pretend), 0); |
| 1145 | return Qnil; |
| 1146 | } |
| 1147 | |
| 1148 | DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 3, 0, |
| 1149 | "Sets size of FRAME to COLS by ROWS, measured in characters.") |
| 1150 | (frame, cols, rows) |
| 1151 | Lisp_Object frame, cols, rows; |
| 1152 | { |
| 1153 | register struct frame *f; |
| 1154 | int mask; |
| 1155 | |
| 1156 | CHECK_LIVE_FRAME (frame, 0); |
| 1157 | CHECK_NUMBER (cols, 2); |
| 1158 | CHECK_NUMBER (rows, 1); |
| 1159 | f = XFRAME (frame); |
| 1160 | |
| 1161 | #ifdef HAVE_X_WINDOWS |
| 1162 | if (FRAME_X_P (f)) |
| 1163 | { |
| 1164 | if (XINT (rows) != f->height || XINT (cols) != f->width) |
| 1165 | x_set_window_size (f, XINT (cols), XINT (rows)); |
| 1166 | } |
| 1167 | else |
| 1168 | #endif |
| 1169 | change_frame_size (f, XINT (rows), XINT (cols), 0, 0); |
| 1170 | |
| 1171 | return Qnil; |
| 1172 | } |
| 1173 | |
| 1174 | DEFUN ("set-frame-position", Fset_frame_position, |
| 1175 | Sset_frame_position, 3, 3, 0, |
| 1176 | "Sets position of FRAME in pixels to XOFFSET by YOFFSET.\n\ |
| 1177 | If XOFFSET or YOFFSET are negative, they are interpreted relative to\n\ |
| 1178 | the leftmost or bottommost position FRAME could occupy without going\n\ |
| 1179 | off the screen.") |
| 1180 | (frame, xoffset, yoffset) |
| 1181 | Lisp_Object frame, xoffset, yoffset; |
| 1182 | { |
| 1183 | register struct frame *f; |
| 1184 | int mask; |
| 1185 | |
| 1186 | CHECK_LIVE_FRAME (frame, 0); |
| 1187 | CHECK_NUMBER (xoffset, 1); |
| 1188 | CHECK_NUMBER (yoffset, 2); |
| 1189 | f = XFRAME (frame); |
| 1190 | |
| 1191 | #ifdef HAVE_X_WINDOWS |
| 1192 | if (FRAME_X_P (f)) |
| 1193 | x_set_offset (f, XINT (xoffset), XINT (yoffset)); |
| 1194 | #endif |
| 1195 | |
| 1196 | return Qt; |
| 1197 | } |
| 1198 | |
| 1199 | \f |
| 1200 | #ifndef HAVE_X11 |
| 1201 | DEFUN ("rubber-band-rectangle", Frubber_band_rectangle, Srubber_band_rectangle, |
| 1202 | 3, 3, "", |
| 1203 | "Ask user to specify a window position and size on FRAME with the mouse.\n\ |
| 1204 | Arguments are FRAME, NAME and GEO. NAME is a name to be displayed as\n\ |
| 1205 | the purpose of this rectangle. GEO is an X-windows size spec that can\n\ |
| 1206 | specify defaults for some sizes/positions. If GEO specifies everything,\n\ |
| 1207 | the mouse is not used.\n\ |
| 1208 | Returns a list of five values: (FRAME LEFT TOP WIDTH HEIGHT).") |
| 1209 | (frame, name, geo) |
| 1210 | Lisp_Object frame; |
| 1211 | Lisp_Object name; |
| 1212 | Lisp_Object geo; |
| 1213 | { |
| 1214 | int vals[4]; |
| 1215 | Lisp_Object nums[4]; |
| 1216 | int i; |
| 1217 | |
| 1218 | CHECK_FRAME (frame, 0); |
| 1219 | CHECK_STRING (name, 1); |
| 1220 | CHECK_STRING (geo, 2); |
| 1221 | |
| 1222 | switch (XFRAME (frame)->output_method) |
| 1223 | { |
| 1224 | case output_x_window: |
| 1225 | x_rubber_band (XFRAME (frame), &vals[0], &vals[1], &vals[2], &vals[3], |
| 1226 | XSTRING (geo)->data, XSTRING (name)->data); |
| 1227 | break; |
| 1228 | |
| 1229 | default: |
| 1230 | return Qnil; |
| 1231 | } |
| 1232 | |
| 1233 | for (i = 0; i < 4; i++) |
| 1234 | XFASTINT (nums[i]) = vals[i]; |
| 1235 | return Fcons (frame, Flist (4, nums)); |
| 1236 | return Qnil; |
| 1237 | } |
| 1238 | #endif /* not HAVE_X11 */ |
| 1239 | \f |
| 1240 | choose_minibuf_frame () |
| 1241 | { |
| 1242 | /* For lowest-level minibuf, put it on currently selected frame |
| 1243 | if frame has a minibuffer. */ |
| 1244 | |
| 1245 | if (minibuf_level == 0 |
| 1246 | && selected_frame != 0 |
| 1247 | && !EQ (minibuf_window, selected_frame->minibuffer_window)) |
| 1248 | { |
| 1249 | /* I don't think that any frames may validly have a null minibuffer |
| 1250 | window anymore. */ |
| 1251 | if (NILP (selected_frame->minibuffer_window)) |
| 1252 | abort (); |
| 1253 | |
| 1254 | Fset_window_buffer (selected_frame->minibuffer_window, |
| 1255 | XWINDOW (minibuf_window)->buffer); |
| 1256 | minibuf_window = selected_frame->minibuffer_window; |
| 1257 | } |
| 1258 | } |
| 1259 | \f |
| 1260 | syms_of_frame () |
| 1261 | { |
| 1262 | /*&&& init symbols here &&&*/ |
| 1263 | Qframep = intern ("framep"); |
| 1264 | staticpro (&Qframep); |
| 1265 | Qlive_frame_p = intern ("live-frame-p"); |
| 1266 | staticpro (&Qlive_frame_p); |
| 1267 | Qheight = intern ("height"); |
| 1268 | staticpro (&Qheight); |
| 1269 | Qicon = intern ("icon"); |
| 1270 | staticpro (&Qicon); |
| 1271 | Qminibuffer = intern ("minibuffer"); |
| 1272 | staticpro (&Qminibuffer); |
| 1273 | Qmodeline = intern ("modeline"); |
| 1274 | staticpro (&Qmodeline); |
| 1275 | Qname = intern ("name"); |
| 1276 | staticpro (&Qname); |
| 1277 | Qnone = intern ("none"); |
| 1278 | staticpro (&Qnone); |
| 1279 | Qonly = intern ("only"); |
| 1280 | staticpro (&Qonly); |
| 1281 | Qunsplittable = intern ("unsplittable"); |
| 1282 | staticpro (&Qunsplittable); |
| 1283 | Qwidth = intern ("width"); |
| 1284 | staticpro (&Qwidth); |
| 1285 | Qx = intern ("x"); |
| 1286 | staticpro (&Qx); |
| 1287 | |
| 1288 | staticpro (&Vframe_list); |
| 1289 | |
| 1290 | DEFVAR_LISP ("terminal-frame", &Vterminal_frame, |
| 1291 | "The initial frame-object, which represents Emacs's stdout."); |
| 1292 | |
| 1293 | DEFVAR_LISP ("emacs-iconified", &Vemacs_iconified, |
| 1294 | "Non-nil if all of emacs is iconified and frame updates are not needed."); |
| 1295 | Vemacs_iconified = Qnil; |
| 1296 | |
| 1297 | DEFVAR_LISP ("default-minibuffer-frame", &Vdefault_minibuffer_frame, |
| 1298 | "Minibufferless frames use this frame's minibuffer.\n\ |
| 1299 | \n\ |
| 1300 | Emacs cannot create minibufferless frames unless this is set to an\n\ |
| 1301 | appropriate surrogate.\n\ |
| 1302 | \n\ |
| 1303 | Emacs consults this variable only when creating minibufferless\n\ |
| 1304 | frames; once the frame is created, it sticks with its assigned\n\ |
| 1305 | minibuffer, no matter what this variable is set to. This means that\n\ |
| 1306 | this variable doesn't necessarily say anything meaningful about the\n\ |
| 1307 | current set of frames, or where the minibuffer is currently being\n\ |
| 1308 | displayed."); |
| 1309 | Vdefault_minibuffer_frame = Qnil; |
| 1310 | |
| 1311 | DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist, |
| 1312 | "Alist of default values for frame creation.\n\ |
| 1313 | These may be set in your init file, like this:\n\ |
| 1314 | (setq default-frame-alist '((width . 80) (height . 55)))\n\ |
| 1315 | These override values given in window system configuration data, like\n\ |
| 1316 | X Windows' defaults database.\n\ |
| 1317 | For values specific to the first Emacs frame, see `initial-frame-alist'.\n\ |
| 1318 | For values specific to the separate minibuffer frame, see\n\ |
| 1319 | `minibuffer-frame-alist'."); |
| 1320 | Vdefault_frame_alist = Qnil; |
| 1321 | |
| 1322 | defsubr (&Sframep); |
| 1323 | defsubr (&Slive_frame_p); |
| 1324 | defsubr (&Sselect_frame); |
| 1325 | defsubr (&Sselected_frame); |
| 1326 | defsubr (&Swindow_frame); |
| 1327 | defsubr (&Sframe_root_window); |
| 1328 | defsubr (&Sframe_selected_window); |
| 1329 | defsubr (&Sframe_list); |
| 1330 | defsubr (&Snext_frame); |
| 1331 | defsubr (&Sdelete_frame); |
| 1332 | defsubr (&Smouse_position); |
| 1333 | defsubr (&Sset_mouse_position); |
| 1334 | #if 0 |
| 1335 | defsubr (&Sframe_configuration); |
| 1336 | defsubr (&Srestore_frame_configuration); |
| 1337 | #endif |
| 1338 | defsubr (&Smake_frame_visible); |
| 1339 | defsubr (&Smake_frame_invisible); |
| 1340 | defsubr (&Siconify_frame); |
| 1341 | defsubr (&Sframe_visible_p); |
| 1342 | defsubr (&Svisible_frame_list); |
| 1343 | defsubr (&Sredirect_frame_focus); |
| 1344 | defsubr (&Sframe_focus); |
| 1345 | defsubr (&Sframe_parameters); |
| 1346 | defsubr (&Smodify_frame_parameters); |
| 1347 | #if 0 |
| 1348 | defsubr (&Sframe_pixel_size); |
| 1349 | defsubr (&Sframe_height); |
| 1350 | defsubr (&Sframe_width); |
| 1351 | #endif |
| 1352 | defsubr (&Sset_frame_height); |
| 1353 | defsubr (&Sset_frame_width); |
| 1354 | defsubr (&Sset_frame_size); |
| 1355 | defsubr (&Sset_frame_position); |
| 1356 | #ifndef HAVE_X11 |
| 1357 | defsubr (&Srubber_band_rectangle); |
| 1358 | #endif /* HAVE_X11 */ |
| 1359 | } |
| 1360 | |
| 1361 | #else /* not MULTI_FRAME */ |
| 1362 | |
| 1363 | /* If we're not using multi-frame stuff, we still need to provide some |
| 1364 | support functions. */ |
| 1365 | |
| 1366 | /* Unless this function is defined, providing set-frame-height and |
| 1367 | set-frame-width doesn't help compatibility any, since they both |
| 1368 | want this as their first argument. */ |
| 1369 | DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0, |
| 1370 | "Return the frame that is now selected.") |
| 1371 | () |
| 1372 | { |
| 1373 | Lisp_Object tem; |
| 1374 | XFASTINT (tem) = 0; |
| 1375 | return tem; |
| 1376 | } |
| 1377 | |
| 1378 | DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 3, 0, |
| 1379 | "Specify that the frame FRAME has LINES lines.\n\ |
| 1380 | Optional third arg non-nil means that redisplay should use LINES lines\n\ |
| 1381 | but that the idea of the actual height of the frame should not be changed.") |
| 1382 | (frame, rows, pretend) |
| 1383 | Lisp_Object frame, rows, pretend; |
| 1384 | { |
| 1385 | CHECK_NUMBER (rows, 0); |
| 1386 | |
| 1387 | change_frame_size (0, XINT (rows), 0, !NILP (pretend), 0); |
| 1388 | return Qnil; |
| 1389 | } |
| 1390 | |
| 1391 | DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 3, 0, |
| 1392 | "Specify that the frame FRAME has COLS columns.\n\ |
| 1393 | Optional third arg non-nil means that redisplay should use COLS columns\n\ |
| 1394 | but that the idea of the actual width of the frame should not be changed.") |
| 1395 | (frame, cols, pretend) |
| 1396 | Lisp_Object frame, cols, pretend; |
| 1397 | { |
| 1398 | CHECK_NUMBER (cols, 0); |
| 1399 | |
| 1400 | change_frame_size (0, 0, XINT (cols), !NILP (pretend), 0); |
| 1401 | return Qnil; |
| 1402 | } |
| 1403 | |
| 1404 | DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 3, 0, |
| 1405 | "Sets size of FRAME to COLS by ROWS, measured in characters.") |
| 1406 | (frame, cols, rows) |
| 1407 | Lisp_Object frame, cols, rows; |
| 1408 | { |
| 1409 | CHECK_NUMBER (cols, 2); |
| 1410 | CHECK_NUMBER (rows, 1); |
| 1411 | |
| 1412 | change_frame_size (0, XINT (rows), XINT (cols), 0, 0); |
| 1413 | |
| 1414 | return Qnil; |
| 1415 | } |
| 1416 | |
| 1417 | DEFUN ("frame-height", Fframe_height, Sframe_height, 0, 0, 0, |
| 1418 | "Return number of lines available for display on selected frame.") |
| 1419 | () |
| 1420 | { |
| 1421 | return make_number (FRAME_HEIGHT (selected_frame)); |
| 1422 | } |
| 1423 | |
| 1424 | DEFUN ("frame-width", Fframe_width, Sframe_width, 0, 0, 0, |
| 1425 | "Return number of columns available for display on selected frame.") |
| 1426 | () |
| 1427 | { |
| 1428 | return make_number (FRAME_WIDTH (selected_frame)); |
| 1429 | } |
| 1430 | |
| 1431 | /* These are for backward compatibility with Emacs 18. */ |
| 1432 | |
| 1433 | DEFUN ("set-screen-height", Fset_screen_height, Sset_screen_height, 1, 2, 0, |
| 1434 | "Tell redisplay that the screen has LINES lines.\n\ |
| 1435 | Optional second arg non-nil means that redisplay should use LINES lines\n\ |
| 1436 | but that the idea of the actual height of the screen should not be changed.") |
| 1437 | (lines, pretend) |
| 1438 | Lisp_Object lines, pretend; |
| 1439 | { |
| 1440 | CHECK_NUMBER (lines, 0); |
| 1441 | |
| 1442 | change_frame_size (0, XINT (lines), 0, !NILP (pretend), 0); |
| 1443 | return Qnil; |
| 1444 | } |
| 1445 | |
| 1446 | DEFUN ("set-screen-width", Fset_screen_width, Sset_screen_width, 1, 2, 0, |
| 1447 | "Tell redisplay that the screen has COLS columns.\n\ |
| 1448 | Optional second arg non-nil means that redisplay should use COLS columns\n\ |
| 1449 | but that the idea of the actual width of the screen should not be changed.") |
| 1450 | (cols, pretend) |
| 1451 | Lisp_Object cols, pretend; |
| 1452 | { |
| 1453 | CHECK_NUMBER (cols, 0); |
| 1454 | |
| 1455 | change_frame_size (0, 0, XINT (cols), !NILP (pretend), 0); |
| 1456 | return Qnil; |
| 1457 | } |
| 1458 | |
| 1459 | syms_of_frame () |
| 1460 | { |
| 1461 | defsubr (&Sset_frame_height); |
| 1462 | defsubr (&Sset_frame_width); |
| 1463 | defsubr (&Sset_frame_size); |
| 1464 | defsubr (&Sset_screen_height); |
| 1465 | defsubr (&Sset_screen_width); |
| 1466 | defsubr (&Sframe_height); |
| 1467 | Ffset (intern ("screen-height"), intern ("frame-height")); |
| 1468 | defsubr (&Sframe_width); |
| 1469 | Ffset (intern ("screen-width"), intern ("frame-width")); |
| 1470 | } |
| 1471 | |
| 1472 | #endif /* not MULTI_FRAME */ |
| 1473 | |
| 1474 | |
| 1475 | |
| 1476 | |