Mercurial > hg > xemacs-beta
annotate lisp/frame.el @ 5603:2b2f37e84792
Fixes for building native windows setup kits
| author | Vin Shelton <acs@xemacs.org> |
|---|---|
| date | Tue, 29 Nov 2011 09:05:36 -0500 |
| parents | 9a046b2e6494 |
| children | cc6f0266bc36 |
| rev | line source |
|---|---|
| 428 | 1 ;;; frame.el --- multi-frame management independent of window systems. |
| 2 | |
| 1942 | 3 ;; Copyright (C) 1993, 1994, 1996, 1997, 2000, 2001, 2003 |
| 4 ;; Free Software Foundation, Inc. | |
| 428 | 5 ;; Copyright (C) 1995, 1996 Ben Wing. |
|
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The background-placement face property.
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6 ;; Copyright (C) 2010 Didier Verna |
| 428 | 7 |
| 8 ;; Maintainer: XEmacs Development Team | |
| 9 ;; Keywords: internal, dumped | |
| 10 | |
| 11 ;; This file is part of XEmacs. | |
| 12 | |
|
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13 ;; XEmacs is free software: you can redistribute it and/or modify it |
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14 ;; under the terms of the GNU General Public License as published by the |
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15 ;; Free Software Foundation, either version 3 of the License, or (at your |
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16 ;; option) any later version. |
| 428 | 17 |
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18 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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19 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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20 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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21 ;; for more details. |
| 428 | 22 |
| 23 ;; You should have received a copy of the GNU General Public License | |
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24 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 428 | 25 |
| 1942 | 26 ;;; Synched up with: FSF 21.3. |
| 428 | 27 |
| 28 ;;; Commentary: | |
| 29 | |
| 30 ;; This file is dumped with XEmacs. | |
| 31 | |
| 32 ;;; Code: | |
| 33 | |
| 1942 | 34 ;; XEmacs addition |
| 428 | 35 (defgroup frames nil |
| 36 "Support for Emacs frames and window systems." | |
| 37 :group 'environment) | |
| 38 | |
| 1942 | 39 ;; XEmacs change: No need for `frame-creation-function'. |
| 428 | 40 |
| 1942 | 41 ;; XEmacs change: Emacs no longer specifies the minibuffer property here. |
| 428 | 42 ;;; The initial value given here for this must ask for a minibuffer. |
| 43 ;;; There must always exist a frame with a minibuffer, and after we | |
| 44 ;;; delete the terminal frame, this will be the only frame. | |
| 45 (defcustom initial-frame-plist '(minibuffer t) | |
| 46 "Plist of frame properties for creating the initial X window frame. | |
| 47 You can set this in your `.emacs' file; for example, | |
| 48 (setq initial-frame-plist '(top 1 left 1 width 80 height 55)) | |
| 49 Properties specified here supersede the values given in `default-frame-plist'. | |
| 50 The format of this can also be an alist for backward compatibility. | |
| 51 | |
| 52 If the value calls for a frame without a minibuffer, and you have not created | |
| 53 a minibuffer frame on your own, one is created according to | |
| 54 `minibuffer-frame-plist'. | |
| 55 | |
| 56 You can specify geometry-related options for just the initial frame | |
| 57 by setting this variable in your `.emacs' file; however, they won't | |
| 58 take effect until Emacs reads `.emacs', which happens after first creating | |
| 59 the frame. If you want the frame to have the proper geometry as soon | |
| 60 as it appears, you need to use this three-step process: | |
| 61 * Specify X resources to give the geometry you want. | |
| 62 * Set `default-frame-plist' to override these options so that they | |
| 63 don't affect subsequent frames. | |
| 64 * Set `initial-frame-plist' in a way that matches the X resources, | |
| 65 to override what you put in `default-frame-plist'." | |
| 66 :type 'plist | |
| 67 :group 'frames) | |
| 68 | |
| 69 (defcustom minibuffer-frame-plist '(width 80 height 2 menubar-visible-p nil | |
| 1942 | 70 default-toolbar-visible-p nil) |
| 428 | 71 "Plist of frame properties for initially creating a minibuffer frame. |
| 72 You can set this in your `.emacs' file; for example, | |
| 73 (setq minibuffer-frame-plist '(top 1 left 1 width 80 height 2)) | |
| 74 Properties specified here supersede the values given in | |
| 75 `default-frame-plist'. | |
| 76 The format of this can also be an alist for backward compatibility." | |
| 77 :type 'plist | |
| 78 :group 'frames) | |
| 79 | |
| 80 (defcustom pop-up-frame-plist nil | |
| 81 "Plist of frame properties used when creating pop-up frames. | |
| 82 Pop-up frames are used for completions, help, and the like. | |
| 83 This variable can be set in your init file, like this: | |
| 84 (setq pop-up-frame-plist '(width 80 height 20)) | |
| 1942 | 85 These supersede the values given in `default-frame-plist', for pop-up frames. |
| 428 | 86 The format of this can also be an alist for backward compatibility." |
| 87 :type 'plist | |
| 88 :group 'frames) | |
| 89 | |
| 90 (setq pop-up-frame-function | |
| 1942 | 91 #'(lambda () |
| 92 (make-frame pop-up-frame-plist))) | |
| 428 | 93 |
| 94 (defcustom special-display-frame-plist '(height 14 width 80 unsplittable t) | |
| 95 "*Plist of frame properties used when creating special frames. | |
| 96 Special frames are used for buffers whose names are in | |
| 97 `special-display-buffer-names' and for buffers whose names match | |
| 98 one of the regular expressions in `special-display-regexps'. | |
| 99 This variable can be set in your init file, like this: | |
| 100 (setq special-display-frame-plist '(width 80 height 20)) | |
| 101 These supersede the values given in `default-frame-plist'. | |
| 102 The format of this can also be an alist for backward compatibility." | |
| 103 :type 'plist | |
| 104 :group 'frames) | |
| 105 | |
| 1942 | 106 ;; XEmacs addition |
| 428 | 107 (defun safe-alist-to-plist (cruftiness) |
| 108 (if (consp (car cruftiness)) | |
| 109 (alist-to-plist cruftiness) | |
| 110 cruftiness)) | |
| 111 | |
| 1942 | 112 ;; XEmacs change: require args to be a plist instead of an alist. |
| 428 | 113 (defun special-display-popup-frame (buffer &optional args) |
| 1942 | 114 "Display BUFFER in its own frame, reusing an existing window if any. |
| 115 Return the window chosen. | |
| 116 Currently we do not insist on selecting the window within its frame. | |
| 117 If ARGS is a plist, use it as a list of frame property specs. | |
| 118 If ARGS is a list whose car is t, | |
| 119 use (cadr ARGS) as a function to do the work. | |
| 120 Pass it BUFFER as first arg, and (cddr ARGS) gives the rest of the args." | |
| 428 | 121 ;; if we can't display simultaneous multiple frames, just return |
| 122 ;; nil and let the normal behavior take over. | |
| 123 (and (device-on-window-system-p) | |
| 124 (if (and args (eq t (car args))) | |
| 125 (apply (cadr args) buffer (cddr args)) | |
| 126 (let ((window (get-buffer-window buffer t))) | |
| 1942 | 127 (setq args (safe-alist-to-plist args)) |
| 128 (or | |
| 129 ;; If we have a window already, make it visible. | |
| 130 (when window | |
| 131 (let ((frame (window-frame window))) | |
| 132 (make-frame-visible frame) | |
| 133 (raise-frame frame) | |
| 134 window)) | |
| 135 ;; Reuse the current window if the user requested it. | |
| 136 (when (lax-plist-get args 'same-window) | |
| 137 (condition-case nil | |
| 138 (progn (switch-to-buffer buffer) (selected-window)) | |
| 139 (error nil))) | |
| 140 ;; Stay on the same frame if requested. | |
| 141 (when (or (lax-plist-get args 'same-frame) | |
| 142 (lax-plist-get args 'same-window)) | |
| 143 (let* ((pop-up-frames nil) (pop-up-windows t) | |
| 144 special-display-regexps special-display-buffer-names | |
| 145 (window (display-buffer buffer))) | |
| 146 ;; (set-window-dedicated-p window t) | |
| 147 window)) | |
| 148 ;; If no window yet, make one in a new frame. | |
| 149 (let ((frame (make-frame (append args | |
| 150 (safe-alist-to-plist | |
| 151 special-display-frame-plist))))) | |
| 152 (set-window-buffer (frame-selected-window frame) buffer) | |
| 153 (set-window-dedicated-p (frame-selected-window frame) t) | |
| 154 (frame-selected-window frame))))))) | |
| 428 | 155 |
| 1942 | 156 ;; XEmacs change: comment out |
| 428 | 157 ;(defun handle-delete-frame (event) |
| 1942 | 158 ; "Handle delete-frame events from the X server." |
| 428 | 159 ; (interactive "e") |
| 160 ; (let ((frame (posn-window (event-start event))) | |
| 161 ; (i 0) | |
| 162 ; (tail (frame-list))) | |
| 163 ; (while tail | |
| 164 ; (and (frame-visible-p (car tail)) | |
| 165 ; (not (eq (car tail) frame)) | |
| 166 ; (setq i (1+ i))) | |
| 167 ; (setq tail (cdr tail))) | |
| 168 ; (if (> i 0) | |
| 169 ; (delete-frame frame t) | |
| 1942 | 170 ; ;; Gildea@x.org says it is ok to ask questions before terminating. |
| 171 ; (save-buffers-kill-emacs)))) | |
| 428 | 172 |
| 173 ;;;; Arrangement of frames at startup | |
| 174 | |
| 1942 | 175 ;; 1) Load the window system startup file from the lisp library and read the |
| 176 ;; high-priority arguments (-q and the like). The window system startup | |
| 177 ;; file should create any frames specified in the window system defaults. | |
| 178 ;; | |
| 179 ;; 2) If no frames have been opened, we open an initial text frame. | |
| 180 ;; | |
| 181 ;; 3) Once the init file is done, we apply any newly set properties | |
| 182 ;; in initial-frame-plist to the frame. | |
| 428 | 183 |
| 1942 | 184 ;; These are now called explicitly at the proper times, |
| 185 ;; since that is easier to understand. | |
| 186 ;; Actually using hooks within Emacs is bad for future maintenance. --rms. | |
| 187 ;; (add-hook 'before-init-hook 'frame-initialize) | |
| 188 ;; (add-hook 'window-setup-hook 'frame-notice-user-settings) | |
| 189 | |
| 190 ;; If we create the initial frame, this is it. | |
| 428 | 191 (defvar frame-initial-frame nil) |
| 192 | |
| 193 ;; Record the properties used in frame-initialize to make the initial frame. | |
| 194 (defvar frame-initial-frame-plist) | |
| 195 | |
| 196 (defvar frame-initial-geometry-arguments nil) | |
| 197 | |
| 1942 | 198 ;; XEmacs addition |
| 428 | 199 (defun canonicalize-frame-plists () |
| 200 (setq initial-frame-plist (safe-alist-to-plist initial-frame-plist)) | |
| 201 (setq default-frame-plist (safe-alist-to-plist default-frame-plist))) | |
| 202 | |
| 1942 | 203 ;; startup.el calls this function before loading the user's init |
| 204 ;; file - if there is no frame with a minibuffer open now, create | |
| 205 ;; one to display messages while loading the init file. | |
| 428 | 206 (defun frame-initialize () |
| 1942 | 207 "Create an initial frame if necessary." |
| 428 | 208 ;; In batch mode, we actually use the initial terminal device for output. |
| 1942 | 209 ;; XEmacs addition |
| 428 | 210 (canonicalize-frame-plists) |
| 1942 | 211 |
| 428 | 212 (if (not (noninteractive)) |
| 213 (progn | |
| 1942 | 214 ;; Turn on special-display processing only if there's a window system. |
| 215 (setq special-display-function 'special-display-popup-frame) | |
| 428 | 216 |
| 217 ;; If there is no frame with a minibuffer besides the terminal | |
| 218 ;; frame, then we need to create the opening frame. Make sure | |
| 219 ;; it has a minibuffer, but let initial-frame-plist omit the | |
| 220 ;; minibuffer spec. | |
| 221 (or (delq terminal-frame (minibuffer-frame-list)) | |
| 222 (progn | |
| 223 (setq frame-initial-frame-plist | |
| 224 (append initial-frame-plist default-frame-plist)) | |
| 1942 | 225 ;; XEmacs change: omit the scrollbar settings |
| 226 ; (or (assq 'horizontal-scroll-bars frame-initial-frame-alist) | |
| 227 ; (setq frame-initial-frame-alist | |
| 228 ; (cons '(horizontal-scroll-bars . t) | |
| 229 ; frame-initial-frame-alist))) | |
| 428 | 230 (setq default-minibuffer-frame |
| 231 (setq frame-initial-frame | |
| 232 (make-frame initial-frame-plist | |
| 233 (car (delq terminal-device | |
| 234 (device-list)))))) | |
| 235 ;; Delete any specifications for window geometry properties | |
| 236 ;; so that we won't reapply them in frame-notice-user-settings. | |
| 237 ;; It would be wrong to reapply them then, | |
| 238 ;; because that would override explicit user resizing. | |
| 239 (setq initial-frame-plist | |
| 240 (frame-remove-geometry-props initial-frame-plist)))) | |
| 241 ;; At this point, we know that we have a frame open, so we | |
| 1942 | 242 ;; can delete the terminal frame. |
| 243 ;; XEmacs change: Do it the same way Fkill_emacs does it. -slb | |
| 428 | 244 (delete-console terminal-console) |
| 1942 | 245 (setq terminal-frame nil)) |
| 428 | 246 |
| 1942 | 247 ;; XEmacs change: omit the pc window-system stuff. |
| 248 ; ;; No, we're not running a window system. Use make-terminal-frame if | |
| 249 ; ;; we support that feature, otherwise arrange to cause errors. | |
| 250 ; (or (eq window-system 'pc) | |
| 251 ; (setq frame-creation-function | |
| 252 ; (if (fboundp 'tty-create-frame-with-faces) | |
| 253 ; 'tty-create-frame-with-faces | |
| 254 ; (function | |
| 255 ; (lambda (parameters) | |
| 256 ; (error | |
| 257 ; "Can't create multiple frames without a window system")))))) | |
| 258 )) | |
| 259 | |
| 260 (defvar frame-notice-user-settings t | |
| 261 "Non-nil means function `frame-notice-user-settings' wasn't run yet.") | |
| 428 | 262 |
| 1942 | 263 ;; startup.el calls this function after loading the user's init |
| 264 ;; file. Now default-frame-plist and initial-frame-plist contain | |
| 265 ;; information to which we must react; do what needs to be done. | |
| 428 | 266 (defun frame-notice-user-settings () |
| 1942 | 267 "Act on user's init file settings of frame parameters. |
| 268 React to settings of `default-frame-plist', `initial-frame-plist' there." | |
| 269 ;; XEmacs addition | |
| 270 (canonicalize-frame-plists) | |
| 428 | 271 |
| 1942 | 272 ;; XEmacs change: omit menu-bar manipulations. |
| 273 ; ;; Make menu-bar-mode and default-frame-alist consistent. | |
| 274 ; (when (boundp 'menu-bar-mode) | |
| 275 ; (let ((default (assq 'menu-bar-lines default-frame-alist))) | |
| 276 ; (if default | |
| 277 ; (setq menu-bar-mode (not (eq (cdr default) 0))) | |
| 278 ; (setq default-frame-alist | |
| 279 ; (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0)) | |
| 280 ; default-frame-alist))))) | |
| 428 | 281 |
| 1942 | 282 ;; XEmacs change: omit tool-bar manipulations. |
| 283 ; ;; Make tool-bar-mode and default-frame-alist consistent. Don't do | |
| 284 ; ;; it in batch mode since that would leave a tool-bar-lines | |
| 285 ; ;; parameter in default-frame-alist in a dumped Emacs, which is not | |
| 286 ; ;; what we want. | |
| 287 ; (when (and (boundp 'tool-bar-mode) | |
| 288 ; (not noninteractive)) | |
| 289 ; (let ((default (assq 'tool-bar-lines default-frame-alist))) | |
| 290 ; (if default | |
| 291 ; (setq tool-bar-mode (not (eq (cdr default) 0))) | |
| 292 ; (setq default-frame-alist | |
| 293 ; (cons (cons 'tool-bar-lines (if tool-bar-mode 1 0)) | |
| 294 ; default-frame-alist))))) | |
| 428 | 295 |
| 296 ;; Creating and deleting frames may shift the selected frame around, | |
| 297 ;; and thus the current buffer. Protect against that. We don't | |
| 298 ;; want to use save-excursion here, because that may also try to set | |
| 299 ;; the buffer of the selected window, which fails when the selected | |
| 300 ;; window is the minibuffer. | |
| 301 (let ((old-buffer (current-buffer))) | |
| 302 | |
| 1942 | 303 ;; XEmacs change: omit special handling for MS-DOS |
| 304 ; (when (and frame-notice-user-settings | |
| 305 ; (null frame-initial-frame)) | |
| 306 ; ;; This case happens when we don't have a window system, and | |
| 307 ; ;; also for MS-DOS frames. | |
| 308 ; (let ((parms (frame-parameters frame-initial-frame))) | |
| 309 ; ;; Don't change the frame names. | |
| 310 ; (setq parms (delq (assq 'name parms) parms)) | |
| 311 ; ;; Can't modify the minibuffer parameter, so don't try. | |
| 312 ; (setq parms (delq (assq 'minibuffer parms) parms)) | |
| 313 ; (modify-frame-parameters nil | |
| 314 ; (if (null window-system) | |
| 315 ; (append initial-frame-alist | |
| 316 ; default-frame-alist | |
| 317 ; parms | |
| 318 ; nil) | |
| 319 ; ;; initial-frame-alist and | |
| 320 ; ;; default-frame-alist were already | |
| 321 ; ;; applied in pc-win.el. | |
| 322 ; parms)) | |
| 323 ; (if (null window-system) ;; MS-DOS does this differently in pc-win.el | |
| 324 ; (let ((newparms (frame-parameters)) | |
| 325 ; (frame (selected-frame))) | |
| 326 ; (tty-handle-reverse-video frame newparms) | |
| 327 ; ;; If we changed the background color, we need to update | |
| 328 ; ;; the background-mode parameter, and maybe some faces, | |
| 329 ; ;; too. | |
| 330 ; (when (assq 'background-color newparms) | |
| 331 ; (unless (or (assq 'background-mode initial-frame-alist) | |
| 332 ; (assq 'background-mode default-frame-alist)) | |
| 333 ; (frame-set-background-mode frame)) | |
| 334 ; (face-set-after-frame-default frame)))))) | |
| 335 | |
| 428 | 336 ;; If the initial frame is still around, apply initial-frame-plist |
| 337 ;; and default-frame-plist to it. | |
| 1942 | 338 (when (frame-live-p frame-initial-frame) |
| 339 | |
| 340 ;; XEmacs change: omit the tool-bar manipulations | |
| 341 ; ;; When tool-bar has been switched off, correct the frame size | |
| 342 ; ;; by the lines added in x-create-frame for the tool-bar and | |
| 343 ; ;; switch `tool-bar-mode' off. | |
| 344 ; (when (display-graphic-p) | |
| 345 ; (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist) | |
| 346 ; (assq 'tool-bar-lines default-frame-alist)))) | |
| 347 ; (when (and tool-bar-originally-present | |
| 348 ; (or (null tool-bar-lines) | |
| 349 ; (null (cdr tool-bar-lines)) | |
| 350 ; (eq 0 (cdr tool-bar-lines)))) | |
| 351 ; (let* ((char-height (frame-char-height frame-initial-frame)) | |
| 352 ; (image-height tool-bar-images-pixel-height) | |
| 353 ; (margin (cond ((and (consp tool-bar-button-margin) | |
| 354 ; (integerp (cdr tool-bar-button-margin)) | |
| 355 ; (> tool-bar-button-margin 0)) | |
| 356 ; (cdr tool-bar-button-margin)) | |
| 357 ; ((and (integerp tool-bar-button-margin) | |
| 358 ; (> tool-bar-button-margin 0)) | |
| 359 ; tool-bar-button-margin) | |
| 360 ; (t 0))) | |
| 361 ; (relief (if (and (integerp tool-bar-button-relief) | |
| 362 ; (> tool-bar-button-relief 0)) | |
| 363 ; tool-bar-button-relief 3)) | |
| 364 ; (lines (/ (+ image-height | |
| 365 ; (* 2 margin) | |
| 366 ; (* 2 relief) | |
| 367 ; (1- char-height)) | |
| 368 ; char-height)) | |
| 369 ; (height (frame-parameter frame-initial-frame 'height)) | |
| 370 ; (newparms (list (cons 'height (- height lines)))) | |
| 371 ; (initial-top (cdr (assq 'top | |
| 372 ; frame-initial-geometry-arguments))) | |
| 373 ; (top (frame-parameter frame-initial-frame 'top))) | |
| 374 ; (when (and (consp initial-top) (eq '- (car initial-top))) | |
| 375 ; (let ((adjusted-top | |
| 376 ; (cond ((and (consp top) | |
| 377 ; (eq '+ (car top))) | |
| 378 ; (list '+ | |
| 379 ; (+ (cadr top) | |
| 380 ; (* lines char-height)))) | |
| 381 ; ((and (consp top) | |
| 382 ; (eq '- (car top))) | |
| 383 ; (list '- | |
| 384 ; (- (cadr top) | |
| 385 ; (* lines char-height)))) | |
| 386 ; (t (+ top (* lines char-height)))))) | |
| 387 ; (setq newparms | |
| 388 ; (append newparms | |
| 389 ; `((top . ,adjusted-top)) | |
| 390 ; nil)))) | |
| 391 ; (modify-frame-parameters frame-initial-frame newparms) | |
| 392 ; (tool-bar-mode -1))))) | |
| 428 | 393 |
| 394 ;; The initial frame we create above always has a minibuffer. | |
| 395 ;; If the user wants to remove it, or make it a minibuffer-only | |
| 396 ;; frame, then we'll have to delete the selected frame and make a | |
| 397 ;; new one; you can't remove or add a root window to/from an | |
| 398 ;; existing frame. | |
| 399 ;; | |
| 400 ;; NOTE: default-frame-plist was nil when we created the | |
| 401 ;; existing frame. We need to explicitly include | |
| 402 ;; default-frame-plist in the properties of the screen we | |
| 403 ;; create here, so that its new value, gleaned from the user's | |
| 404 ;; .emacs file, will be applied to the existing screen. | |
| 405 (if (not (eq (car | |
| 406 (or (and (lax-plist-member | |
| 407 initial-frame-plist 'minibuffer) | |
| 408 (list (lax-plist-get initial-frame-plist | |
| 409 'minibuffer))) | |
| 410 (and (lax-plist-member default-frame-plist | |
| 411 'minibuffer) | |
| 412 (list (lax-plist-get default-frame-plist | |
| 413 'minibuffer))) | |
| 414 '(t))) | |
| 415 t)) | |
| 416 ;; Create the new frame. | |
| 2367 | 417 (let (props ;new |
| 418 ) | |
| 428 | 419 ;; If the frame isn't visible yet, wait till it is. |
| 420 ;; If the user has to position the window, | |
| 421 ;; Emacs doesn't know its real position until | |
| 422 ;; the frame is seen to be visible. | |
| 423 | |
| 1942 | 424 ;; XEmacs change: check the initially-unmapped property |
| 428 | 425 (if (frame-property frame-initial-frame 'initially-unmapped) |
| 426 nil | |
| 427 (while (not (frame-visible-p frame-initial-frame)) | |
| 428 (sleep-for 1))) | |
| 429 (setq props (frame-properties frame-initial-frame)) | |
| 1942 | 430 |
| 428 | 431 ;; Get rid of `name' unless it was specified explicitly before. |
| 432 (or (lax-plist-member frame-initial-frame-plist 'name) | |
| 433 (setq props (lax-plist-remprop props 'name))) | |
| 1942 | 434 |
| 435 (setq props (append initial-frame-plist | |
| 436 default-frame-plist | |
| 428 | 437 props |
| 438 nil)) | |
| 1942 | 439 |
| 428 | 440 ;; Get rid of `reverse', because that was handled |
| 441 ;; when we first made the frame. | |
| 442 (laxputf props 'reverse nil) | |
| 1942 | 443 |
| 444 ;; XEmacs addition: Get rid of `window-id', otherwise make-frame | |
| 445 ;; will think we're trying to setup an external widget. | |
| 428 | 446 (laxremf props 'window-id) |
| 1942 | 447 |
| 428 | 448 (if (lax-plist-member frame-initial-geometry-arguments 'height) |
| 449 (laxremf props 'height)) | |
| 450 (if (lax-plist-member frame-initial-geometry-arguments 'width) | |
| 451 (laxremf props 'width)) | |
| 452 (if (lax-plist-member frame-initial-geometry-arguments 'left) | |
| 453 (laxremf props 'left)) | |
| 454 (if (lax-plist-member frame-initial-geometry-arguments 'top) | |
| 455 (laxremf props 'top)) | |
| 456 ;; Now create the replacement initial frame. | |
| 2367 | 457 ;(setq new |
| 458 (make-frame | |
| 459 ;; Use the geometry args that created the existing | |
| 460 ;; frame, rather than the props we get for it. | |
| 461 (append '(user-size t user-position t) | |
| 462 frame-initial-geometry-arguments | |
| 463 props)) | |
| 464 ;) | |
| 428 | 465 ;; The initial frame, which we are about to delete, may be |
| 466 ;; the only frame with a minibuffer. If it is, create a | |
| 467 ;; new one. | |
| 468 (or (delq frame-initial-frame (minibuffer-frame-list)) | |
| 469 (make-initial-minibuffer-frame nil)) | |
| 470 | |
| 471 ;; If the initial frame is serving as a surrogate | |
| 472 ;; minibuffer frame for any frames, we need to wean them | |
| 473 ;; onto a new frame. The default-minibuffer-frame | |
| 474 ;; variable must be handled similarly. | |
| 475 (let ((users-of-initial | |
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476 (remove-if-not |
| 428 | 477 #'(lambda (frame) |
| 478 (and (not (eq frame frame-initial-frame)) | |
| 479 (eq (window-frame | |
| 480 (minibuffer-window frame)) | |
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481 frame-initial-frame))) |
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482 (frame-list)))) |
| 428 | 483 (if (or users-of-initial |
| 484 (eq default-minibuffer-frame frame-initial-frame)) | |
| 485 | |
| 486 ;; Choose an appropriate frame. Prefer frames which | |
| 487 ;; are only minibuffers. | |
| 488 (let* ((new-surrogate | |
| 489 (car | |
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490 (or (remove-if-not |
| 428 | 491 #'(lambda (frame) |
| 492 (eq 'only | |
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493 (frame-property frame 'minibuffer))) |
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494 (frame-list)) |
| 428 | 495 (minibuffer-frame-list)))) |
| 496 (new-minibuffer (minibuffer-window new-surrogate))) | |
| 497 | |
| 498 (if (eq default-minibuffer-frame frame-initial-frame) | |
| 499 (setq default-minibuffer-frame new-surrogate)) | |
| 500 | |
| 501 ;; Wean the frames using frame-initial-frame as | |
| 502 ;; their minibuffer frame. | |
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503 (mapc |
| 1942 | 504 #'(lambda (frame) |
| 505 (set-frame-property frame 'minibuffer | |
| 506 new-minibuffer)) | |
| 507 users-of-initial)))) | |
| 428 | 508 |
| 509 ;; Redirect events enqueued at this frame to the new frame. | |
| 510 ;; Is this a good idea? | |
| 511 ;; Probably not, since this whole redirect-frame-focus | |
| 512 ;; stuff is a load of trash, and so is this function we're in. | |
| 513 ;; --ben | |
| 514 ;(redirect-frame-focus frame-initial-frame new) | |
| 515 | |
| 516 ;; Finally, get rid of the old frame. | |
| 517 (delete-frame frame-initial-frame t)) | |
| 518 | |
| 519 ;; Otherwise, we don't need all that rigamarole; just apply | |
| 520 ;; the new properties. | |
| 521 (let (newprops allprops tail) | |
| 522 (setq allprops (append initial-frame-plist | |
| 523 default-frame-plist)) | |
| 524 (if (lax-plist-member frame-initial-geometry-arguments 'height) | |
| 525 (laxremf allprops 'height)) | |
| 526 (if (lax-plist-member frame-initial-geometry-arguments 'width) | |
| 527 (remf allprops 'width)) | |
| 528 (if (lax-plist-member frame-initial-geometry-arguments 'left) | |
| 529 (laxremf allprops 'left)) | |
| 530 (if (lax-plist-member frame-initial-geometry-arguments 'top) | |
| 531 (laxremf allprops 'top)) | |
| 532 (setq tail allprops) | |
| 533 ;; Find just the props that have changed since we first | |
| 534 ;; made this frame. Those are the ones actually set by | |
| 535 ;; the init file. For those props whose values we already knew | |
| 536 ;; (such as those spec'd by command line options) | |
| 537 ;; it is undesirable to specify the parm again | |
| 538 ;; once the user has seen the frame and been able to alter it | |
| 539 ;; manually. | |
| 540 (while tail | |
| 541 (let (newval oldval) | |
| 542 (setq oldval (lax-plist-get frame-initial-frame-plist | |
| 543 (car tail))) | |
| 544 (setq newval (lax-plist-get allprops (car tail))) | |
| 545 (or (eq oldval newval) | |
| 546 (laxputf newprops (car tail) newval))) | |
| 547 (setq tail (cddr tail))) | |
| 548 (set-frame-properties frame-initial-frame newprops) | |
| 1942 | 549 ;; XEmacs change: omit the background manipulation |
| 550 ; ;; If we changed the background color, | |
| 551 ; ;; we need to update the background-mode parameter | |
| 552 ; ;; and maybe some faces too. | |
| 553 ; (when (assq 'background-color newparms) | |
| 554 ; (unless (assq 'background-mode newparms) | |
| 555 ; (frame-set-background-mode frame-initial-frame)) | |
| 556 ; (face-set-after-frame-default frame-initial-frame))))) | |
| 428 | 557 ))) |
| 558 | |
| 559 ;; Restore the original buffer. | |
| 560 (set-buffer old-buffer) | |
| 561 | |
| 562 ;; Make sure the initial frame can be GC'd if it is ever deleted. | |
| 563 ;; Make sure frame-notice-user-settings does nothing if called twice. | |
| 1942 | 564 (setq frame-notice-user-settings nil) |
| 428 | 565 (setq frame-initial-frame nil))) |
| 566 | |
| 567 (defun make-initial-minibuffer-frame (device) | |
| 568 (let ((props (append '(minibuffer only) | |
| 569 (safe-alist-to-plist minibuffer-frame-plist)))) | |
| 570 (make-frame props device))) | |
| 571 | |
| 572 | |
| 573 ;;;; Creation of additional frames, and other frame miscellanea | |
| 574 | |
| 1942 | 575 (defun modify-all-frames-properties (plist) |
| 576 "Modify all current and future frames' parameters according to PLIST. | |
| 577 This changes `default-frame-plist' and possibly `initial-frame-plist'. | |
| 578 See `set-frame-properties' for more information." | |
| 579 (dolist (frame (frame-list)) | |
| 580 (set-frame-properties frame plist)) | |
| 581 | |
| 582 ;; XEmacs change: iterate over plists instead of alists | |
| 583 (map-plist | |
| 584 #'(lambda (prop val) | |
| 585 ;; initial-frame-plist needs setting only when | |
| 586 ;; frame-notice-user-settings is true | |
| 587 (and frame-notice-user-settings | |
| 588 (lax-plist-remprop initial-frame-plist prop)) | |
| 589 (lax-plist-remprop default-frame-plist prop)) | |
| 590 plist) | |
| 591 | |
| 592 (and frame-notice-user-settings | |
| 593 (setq initial-frame-plist (append initial-frame-plist plist))) | |
| 594 (setq default-frame-plist (append default-frame-plist plist))) | |
| 595 | |
| 428 | 596 (defun get-other-frame () |
| 1942 | 597 "Return some frame other than the current frame. |
| 598 Create one if necessary. Note that the minibuffer frame, if separate, | |
| 599 is not considered (see `next-frame')." | |
| 428 | 600 (let* ((this (selected-frame)) |
| 601 ;; search visible frames first | |
| 602 (next (next-frame this 'visible-nomini))) | |
| 603 ;; then search iconified frames | |
| 604 (if (eq this next) | |
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605 (setq next (next-frame this 'visible-iconic-nomini))) |
| 428 | 606 (if (eq this next) |
| 607 ;; otherwise, make a new frame | |
| 608 (make-frame) | |
| 609 next))) | |
| 610 | |
| 611 (defun next-multiframe-window () | |
| 612 "Select the next window, regardless of which frame it is on." | |
| 613 (interactive) | |
| 614 (select-window (next-window (selected-window) | |
| 615 (> (minibuffer-depth) 0) | |
| 1942 | 616 t)) |
| 617 ;; XEmacs change: select-window already selects the containing frame | |
| 618 ;(select-frame-set-input-focus (selected-frame)) | |
| 619 ) | |
| 428 | 620 |
| 621 (defun previous-multiframe-window () | |
| 622 "Select the previous window, regardless of which frame it is on." | |
| 623 (interactive) | |
| 624 (select-window (previous-window (selected-window) | |
| 625 (> (minibuffer-depth) 0) | |
| 1942 | 626 t)) |
| 627 ;; XEmacs change: select-window already selects the containing frame | |
| 628 ;(select-frame-set-input-focus (selected-frame)) | |
| 629 ) | |
| 428 | 630 |
| 1942 | 631 ;; XEmacs change: Emacs has make-frame-on-display |
| 428 | 632 (defun make-frame-on-device (type connection &optional props) |
| 633 "Create a frame of type TYPE on CONNECTION. | |
| 634 TYPE should be a symbol naming the device type, i.e. one of | |
| 635 | |
| 636 x An X display. CONNECTION should be a standard display string | |
| 637 such as \"unix:0\", or nil for the display specified on the | |
| 638 command line or in the DISPLAY environment variable. Only if | |
| 639 support for X was compiled into XEmacs. | |
| 640 tty A standard TTY connection or terminal. CONNECTION should be | |
| 641 a TTY device name such as \"/dev/ttyp2\" (as determined by | |
| 642 the Unix command `tty') or nil for XEmacs' standard input | |
| 643 and output (usually the TTY in which XEmacs started). Only | |
| 644 if support for TTY's was compiled into XEmacs. | |
| 462 | 645 gtk A GTK device. |
| 428 | 646 mswindows A connection to a machine running Microsoft Windows NT or |
| 647 Windows 95/97. | |
| 648 pc A direct-write MS-DOS frame. Not currently implemented. | |
| 649 | |
| 650 PROPS should be a plist of properties, as in the call to `make-frame'. | |
| 651 | |
| 652 If a connection to CONNECTION already exists, it is reused; otherwise, | |
| 653 a new connection is opened." | |
| 654 (make-frame props (make-device type connection props))) | |
| 655 | |
| 1942 | 656 ;; XEmacs omission: Emacs has make-frame-command here, but it reduces to |
| 657 ;; make-frame for us. | |
| 658 | |
| 659 ;; XEmacs omission: the following 2 variables are not yet implemented. | |
| 660 ;(defvar before-make-frame-hook nil | |
| 661 ; "Functions to run before a frame is created.") | |
| 662 ; | |
| 663 ;(defvar after-make-frame-functions nil | |
| 664 ; "Functions to run after a frame is created. | |
| 665 ;The functions are run with one arg, the newly created frame.") | |
| 666 ; | |
| 667 (defvar after-setting-font-hook nil | |
| 668 "Functions to run after a frame's font has been changed.") | |
| 669 | |
| 428 | 670 ;; Alias, kept temporarily. |
| 671 (defalias 'new-frame 'make-frame) | |
| 1942 | 672 (make-obsolete 'new-frame 'make-frame) |
| 428 | 673 |
| 1942 | 674 ;; XEmacs change: Emacs has make-frame here. We have it in C, so no need for |
| 675 ;; frame-creation-function. | |
| 428 | 676 |
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677 ;; XEmacs addition: support optional DEVICE argument, use delete-if-not. |
| 428 | 678 (defun filtered-frame-list (predicate &optional device) |
| 679 "Return a list of all live frames which satisfy PREDICATE. | |
| 680 If optional second arg DEVICE is non-nil, restrict the frames | |
| 681 returned to that device." | |
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682 (delete-if-not predicate |
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683 (if device (device-frame-list device) (frame-list)))) |
| 428 | 684 |
| 1942 | 685 ;; XEmacs addition: support optional DEVICE argument. |
| 428 | 686 (defun minibuffer-frame-list (&optional device) |
| 687 "Return a list of all frames with their own minibuffers. | |
| 688 If optional second arg DEVICE is non-nil, restrict the frames | |
| 689 returned to that device." | |
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690 (delete-if-not |
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691 #'(lambda (frame) (eq frame (window-frame (minibuffer-window frame)))) |
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692 (if device (device-frame-list device) (frame-list)))) |
| 428 | 693 |
| 1942 | 694 ;; XEmacs omission: Emacs has frames-on-display-list here, but that is |
| 695 ;; essentially equivalent to supplying the optional DEVICE argument to | |
| 696 ;; filtered-frame-list. | |
| 697 | |
| 698 ;; XEmacs addition: the following two functions make life a lot simpler below. | |
| 699 (defsubst display-frame (display) | |
| 700 "Return the active frame for DISPLAY. | |
| 701 DISPLAY may be a frame, a device, or a console. If it is omitted or nil, | |
| 702 it defaults to the selected frame." | |
| 703 (cond | |
| 704 ((null display) (selected-frame)) | |
| 705 ((framep display) display) | |
| 706 ((devicep display) (selected-frame display)) | |
| 707 ((consolep display) (selected-frame (car (console-device-list display)))) | |
| 708 (t (error 'wrong-type-argument "Not a frame, device, or console" display)))) | |
| 709 | |
| 710 (defsubst display-device (display) | |
| 711 "Return the device for DISPLAY. | |
| 712 DISPLAY may be a frame, a device, or a console. If it is omitted or nil, | |
| 713 it defaults to the selected frame." | |
| 714 (cond | |
| 715 ((null display) (selected-device)) | |
| 716 ((framep display) (frame-device display)) | |
| 717 ((devicep display) display) | |
| 718 ((consolep display) (car (console-device-list display))) | |
| 719 (t (error 'wrong-type-argument "Not a frame, device, or console" display)))) | |
| 720 | |
| 721 ;; Emacs compatibility function. We do not allow display names of the type | |
| 722 ;; HOST:SERVER.SCREEN as Emacs does, but we do handle devices and consoles. | |
| 723 (defun framep-on-display (&optional display) | |
| 724 "Return the type of frames on DISPLAY. | |
| 725 DISPLAY may be a frame, a device, or a console. If it is a frame, its type | |
| 726 is returned. If DISPLAY is omitted or nil, it defaults to the selected | |
| 727 frame. All frames on a given device or console are of the same type." | |
| 728 (cond | |
| 729 ((null display) (frame-type (selected-frame))) | |
| 730 ((framep display) (frame-type display)) | |
| 731 ((devicep display) (device-type display)) | |
| 732 ((consolep display) (console-type display)) | |
| 733 (t (error 'wrong-type-argument "Not a frame, device, or console" display)))) | |
| 734 | |
| 735 ;; XEmacs addition: Emacs does not have this function. | |
| 428 | 736 (defun frame-minibuffer-only-p (frame) |
| 737 "Return non-nil if FRAME is a minibuffer-only frame." | |
| 738 (eq (frame-root-window frame) (minibuffer-window frame))) | |
| 739 | |
| 740 (defun frame-remove-geometry-props (plist) | |
| 741 "Return the property list PLIST, but with geometry specs removed. | |
| 742 This deletes all bindings in PLIST for `top', `left', `width', | |
| 743 `height', `user-size' and `user-position' properties. | |
| 744 Emacs uses this to avoid overriding explicit moves and resizings from | |
| 745 the user during startup." | |
| 746 (setq plist (canonicalize-lax-plist (copy-sequence plist))) | |
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747 (mapc #'(lambda (property) |
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748 (if (lax-plist-member plist property) |
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749 (progn |
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750 (setq frame-initial-geometry-arguments |
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751 (cons property |
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752 (cons (lax-plist-get plist property) |
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753 frame-initial-geometry-arguments))) |
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754 (setq plist (lax-plist-remprop plist property))))) |
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755 '(height width top left user-size user-position)) |
| 428 | 756 plist) |
| 757 | |
| 1942 | 758 ;; XEmacs change: Emacs has focus-follows-mouse here, which lets them |
| 759 ;; Customize it. XEmacs has it builtin. Should that change? | |
| 760 | |
| 761 ;; XEmacs change: we have focus-frame instead of multiple foo-focus-frame | |
| 762 ;; functions. | |
| 763 (defun select-frame-set-input-focus (frame) | |
| 764 "Select FRAME, raise it, and set input focus, if possible." | |
| 765 (raise-frame frame) | |
| 766 (focus-frame frame) ;; This also selects FRAME | |
| 767 ;; XEmacs change: This is a bad idea; you should in general never warp the | |
| 768 ;; pointer unless the user asks for it. | |
| 769 ;;(if focus-follows-mouse | |
| 770 ;; (set-mouse-position (selected-window) (1- (frame-width frame)) 0))) | |
| 771 ) | |
| 772 | |
| 428 | 773 (defun other-frame (arg) |
| 774 "Select the ARG'th different visible frame, and raise it. | |
| 775 All frames are arranged in a cyclic order. | |
| 776 This command selects the frame ARG steps away in that order. | |
| 777 A negative ARG moves in the opposite order. | |
| 778 | |
| 1942 | 779 To make this command work properly, you must tell Emacs |
| 780 how the system (or the window manager) generally handles | |
| 781 focus-switching between windows. If moving the mouse onto a window | |
| 782 selects it (gives it focus), set `focus-follows-mouse' to t. | |
| 783 Otherwise, that variable should be nil." | |
| 428 | 784 (interactive "p") |
| 785 (let ((frame (selected-frame))) | |
| 786 (while (> arg 0) | |
| 787 (setq frame (next-frame frame 'visible-nomini)) | |
| 788 (setq arg (1- arg))) | |
| 789 (while (< arg 0) | |
| 790 (setq frame (previous-frame frame 'visible-nomini)) | |
| 791 (setq arg (1+ arg))) | |
| 1942 | 792 (select-frame-set-input-focus frame))) |
| 793 | |
| 794 (defun iconify-or-deiconify-frame () | |
| 795 "Iconify the selected frame, or deiconify if it's currently an icon." | |
| 796 (interactive) | |
| 797 (if (lax-plist-get (frame-properties) 'visibility) | |
| 798 (iconify-frame) | |
| 799 (make-frame-visible))) | |
| 800 | |
| 801 (defun make-frame-names-alist () | |
| 802 (let* ((current-frame (selected-frame)) | |
| 803 (falist | |
| 804 (cons | |
| 805 (cons (frame-property current-frame 'name) current-frame) nil)) | |
| 806 (frame (next-frame current-frame t))) | |
| 807 (while (not (eq frame current-frame)) | |
| 808 (progn | |
| 809 (setq falist (cons (cons (frame-property frame 'name) frame) falist)) | |
| 810 (setq frame (next-frame frame t)))) | |
| 811 falist)) | |
| 812 | |
| 813 (defvar frame-name-history nil) | |
| 814 (defun select-frame-by-name (name) | |
| 815 "Select the frame on the current terminal whose name is NAME and raise it. | |
| 816 If there is no frame by that name, signal an error." | |
| 817 (interactive | |
| 818 (let* ((frame-names-alist (make-frame-names-alist)) | |
| 819 (default (car (car frame-names-alist))) | |
| 820 (input (completing-read | |
| 821 (format "Select Frame (default %s): " default) | |
| 822 frame-names-alist nil t nil 'frame-name-history default))) | |
| 823 ;; XEmacs change: use the last param of completing-read to simplify. | |
| 824 (list input))) | |
| 825 (let* ((frame-names-alist (make-frame-names-alist)) | |
| 826 (frame (cdr (assoc name frame-names-alist)))) | |
| 827 (or frame | |
| 828 (error "There is no frame named `%s'" name)) | |
| 829 (make-frame-visible frame) | |
| 830 ;; XEmacs change: make-frame-visible implies (raise-frame) | |
| 831 ;; (raise-frame frame) | |
| 832 ;; XEmacs change: we defined this function, might as well use it. | |
| 833 (select-frame-set-input-focus frame))) | |
| 428 | 834 |
| 835 ;; XEmacs-added utility functions | |
| 836 | |
| 837 (defmacro save-selected-frame (&rest body) | |
| 838 "Execute forms in BODY, then restore the selected frame. | |
| 839 The value returned is the value of the last form in BODY." | |
| 840 (let ((old-frame (gensym "ssf"))) | |
| 841 `(let ((,old-frame (selected-frame))) | |
| 842 (unwind-protect | |
| 843 (progn ,@body) | |
| 844 (select-frame ,old-frame))))) | |
| 845 | |
| 846 (defmacro with-selected-frame (frame &rest body) | |
| 847 "Execute forms in BODY with FRAME as the selected frame. | |
| 848 The value returned is the value of the last form in BODY." | |
| 849 `(save-selected-frame | |
| 850 (select-frame ,frame) | |
| 851 ,@body)) | |
| 852 | |
| 1942 | 853 ; This is in C in Emacs |
| 428 | 854 (defun frame-list () |
| 855 "Return a list of all frames on all devices/consoles." | |
| 856 ;; Lists are copies, so nconc is safe here. | |
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857 (mapcan #'device-frame-list (device-list))) |
| 428 | 858 |
| 859 (defun frame-type (&optional frame) | |
| 860 "Return the type of the specified frame (e.g. `x' or `tty'). | |
| 861 This is equivalent to the type of the frame's device. | |
| 862 Value is `tty' for a tty frame (a character-only terminal), | |
| 863 `x' for a frame that is an X window, | |
| 440 | 864 `mswindows' for a frame that is a MS Windows desktop window, |
| 865 `msprinter' for a frame that is a MS Windows print job, | |
| 428 | 866 `stream' for a stream frame (which acts like a stdio stream), and |
| 867 `dead' for a deleted frame." | |
| 868 (or frame (setq frame (selected-frame))) | |
| 869 (if (not (frame-live-p frame)) 'dead | |
| 870 (device-type (frame-device frame)))) | |
| 871 | |
| 872 (defun device-or-frame-p (object) | |
| 873 "Return non-nil if OBJECT is a device or frame." | |
| 874 (or (devicep object) | |
| 875 (framep object))) | |
| 876 | |
| 877 (defun device-or-frame-type (device-or-frame) | |
| 878 "Return the type (e.g. `x' or `tty') of DEVICE-OR-FRAME. | |
| 879 DEVICE-OR-FRAME should be a device or a frame object. See `device-type' | |
| 880 for a description of the possible types." | |
| 881 (if (devicep device-or-frame) | |
| 882 (device-type device-or-frame) | |
| 883 (frame-type device-or-frame))) | |
| 884 | |
| 885 (defun fw-frame (obj) | |
| 886 "Given a frame or window, return the associated frame. | |
| 887 Return nil otherwise." | |
| 888 (cond ((windowp obj) (window-frame obj)) | |
| 889 ((framep obj) obj) | |
| 890 (t nil))) | |
| 891 | |
| 892 | |
| 893 ;;;; Frame configurations | |
| 894 | |
| 895 (defun current-frame-configuration () | |
| 896 "Return a list describing the positions and states of all frames. | |
| 897 Its car is `frame-configuration'. | |
| 898 Each element of the cdr is a list of the form (FRAME PLIST WINDOW-CONFIG), | |
| 899 where | |
| 900 FRAME is a frame object, | |
| 901 PLIST is a property list specifying some of FRAME's properties, and | |
| 902 WINDOW-CONFIG is a window configuration object for FRAME." | |
| 903 (cons 'frame-configuration | |
| 904 (mapcar (function | |
| 905 (lambda (frame) | |
| 906 (list frame | |
| 907 (frame-properties frame) | |
| 908 (current-window-configuration frame)))) | |
| 909 (frame-list)))) | |
| 910 | |
| 911 (defun set-frame-configuration (configuration &optional nodelete) | |
| 912 "Restore the frames to the state described by CONFIGURATION. | |
| 913 Each frame listed in CONFIGURATION has its position, size, window | |
| 914 configuration, and other properties set as specified in CONFIGURATION. | |
| 915 Ordinarily, this function deletes all existing frames not | |
| 916 listed in CONFIGURATION. But if optional second argument NODELETE | |
| 917 is given and non-nil, the unwanted frames are iconified instead." | |
| 918 (or (frame-configuration-p configuration) | |
| 919 (signal 'wrong-type-argument | |
| 920 (list 'frame-configuration-p configuration))) | |
| 1942 | 921 (let ((config-alist (cdr configuration)) |
| 428 | 922 frames-to-delete) |
| 1942 | 923 (mapc #'(lambda (frame) |
| 924 (let ((properties (assq frame config-alist))) | |
| 925 (if properties | |
| 926 (progn | |
| 927 (set-frame-properties | |
| 928 frame | |
| 929 ;; Since we can't set a frame's minibuffer status, | |
| 930 ;; we might as well omit the parameter altogether. | |
| 931 (lax-plist-remprop (nth 1 properties) 'minibuffer)) | |
| 932 (set-window-configuration (nth 2 properties))) | |
| 933 (setq frames-to-delete (cons frame frames-to-delete))))) | |
| 428 | 934 (frame-list)) |
| 935 (if nodelete | |
| 936 ;; Note: making frames invisible here was tried | |
| 937 ;; but led to some strange behavior--each time the frame | |
| 938 ;; was made visible again, the window manager asked afresh | |
| 939 ;; for where to put it. | |
| 1942 | 940 (mapc #'iconify-frame frames-to-delete) |
| 941 (mapc #'delete-frame frames-to-delete)))) | |
| 428 | 942 |
| 1942 | 943 ; XEmacs change: this function is in subr.el in Emacs. |
| 944 ; That's because they don't always include frame.el, while we do. | |
| 428 | 945 |
| 946 (defun frame-configuration-p (object) | |
| 947 "Return non-nil if OBJECT seems to be a frame configuration. | |
| 948 Any list whose car is `frame-configuration' is assumed to be a frame | |
| 949 configuration." | |
| 950 (and (consp object) | |
| 951 (eq (car object) 'frame-configuration))) | |
| 952 | |
| 953 | |
| 1942 | 954 ;;;; Convenience functions for accessing and interactively changing |
| 955 ;;;; frame parameters. | |
| 956 | |
| 957 (defun frame-height (&optional frame) | |
| 958 "Return number of lines available for display on FRAME. | |
| 959 If FRAME is omitted, describe the currently selected frame." | |
| 960 (frame-property frame 'height)) | |
| 961 | |
| 962 (defun frame-width (&optional frame) | |
| 963 "Return number of columns available for display on FRAME. | |
| 964 If FRAME is omitted, describe the currently selected frame." | |
| 965 (frame-property frame 'width)) | |
| 966 | |
| 967 (defalias 'set-default-font 'set-frame-font) | |
| 968 | |
| 969 ;; XEmacs change: this function differs significantly from Emacs. | |
| 970 (defun set-frame-font (font-name &optional keep-size) | |
| 971 "Set the font of the selected frame to FONT-NAME. | |
| 972 When called interactively, prompt for the name of the font to use. | |
| 973 To get the frame's current default font, use `(face-font-name 'default)'. | |
| 974 | |
| 975 The default behavior is to keep the numbers of lines and columns in | |
| 976 the frame, thus may change its pixel size. If optional KEEP-SIZE is | |
| 977 non-nil (interactively, prefix argument) the current frame size (in | |
| 978 pixels) is kept by adjusting the numbers of the lines and columns." | |
| 979 (interactive | |
| 980 (let* ((frame (selected-frame)) | |
| 981 (completion-ignore-case t) | |
| 982 (font (completing-read "Font name: " | |
| 983 (mapcar #'list | |
| 2527 | 984 (font-list "*" frame)) |
| 1942 | 985 nil nil nil nil |
| 986 (face-font-name 'default frame)))) | |
| 987 (list font current-prefix-arg))) | |
| 988 (let* ((frame (selected-frame)) | |
| 989 (fht (frame-pixel-height frame)) | |
| 990 (fwd (frame-pixel-width frame)) | |
| 991 (face-list-to-change (face-list))) | |
| 992 (when (eq (device-type) 'mswindows) | |
| 993 (setq face-list-to-change | |
| 994 (delq 'border-glyph face-list-to-change))) | |
| 995 ;; FIXME: Is it sufficient to just change the default face, due to | |
| 996 ;; face inheritance? | |
| 997 (dolist (face face-list-to-change) | |
| 998 (when (face-font-instance face) | |
| 999 (condition-case c | |
| 1000 (set-face-font face font-name frame) | |
| 1001 (error | |
| 1002 (display-error c nil) | |
| 1003 (sit-for 1))))) | |
| 1004 (if keep-size | |
| 1005 (set-frame-pixel-size frame fwd fht))) | |
| 1006 (run-hooks 'after-setting-font-hook)) | |
| 1007 | |
| 1008 (defun set-frame-property (frame prop val) | |
| 1009 "Set property PROP of FRAME to VAL. See `set-frame-properties'." | |
| 1010 (set-frame-properties frame (list prop val))) | |
| 1011 | |
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1012 (defun set-frame-background-placement (placement) |
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1013 "Set the background placement of the selected frame to PLACEMENT. |
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1014 When called interactively, prompt for the placement to use." |
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1015 (interactive (list (intern (completing-read "Placement: " |
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1016 '(("absolute" absolute) |
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1017 ("relative" relative)) |
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1018 nil t)))) |
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1019 (set-face-background-placement 'default placement (selected-frame))) |
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1020 |
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1021 (defun frame-background-placement () |
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1022 "Retrieve the selected frame's background placement." |
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1023 (interactive) |
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1024 (face-background-placement 'default (selected-frame))) |
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1025 |
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1026 (defun frame-background-placement-instance () |
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1027 "Retrieve the selected frame's background placement instance." |
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1028 (interactive) |
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1029 (face-background-placement-instance 'default (selected-frame))) |
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1030 |
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1031 ;; #### FIXME: misnomers ! The functions below should be called |
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1032 ;; set-frame-<blabla> -- dvl. |
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1033 |
| 1942 | 1034 ;; XEmacs change: this function differs significantly from Emacs. |
| 1035 (defun set-background-color (color-name) | |
| 1036 "Set the background color of the selected frame to COLOR-NAME. | |
| 1037 When called interactively, prompt for the name of the color to use. | |
| 1038 To get the frame's current background color, use | |
| 1039 `(face-background-name 'default)'." | |
| 1040 (interactive (list (read-color "Color: "))) | |
| 1041 ;; (set-face-foreground 'text-cursor color-name (selected-frame)) | |
| 1042 (set-face-background 'default color-name (selected-frame))) | |
| 1043 | |
| 1044 ;; XEmacs change: this function differs significantly from Emacs. | |
| 1045 (defun set-foreground-color (color-name) | |
| 1046 "Set the foreground color of the selected frame to COLOR-NAME. | |
| 1047 When called interactively, prompt for the name of the color to use. | |
| 1048 To get the frame's current foreground color, use | |
| 1049 `(face-foreground-name 'default)'." | |
| 1050 (interactive (list (read-color "Color: "))) | |
| 1051 (set-face-foreground 'default color-name (selected-frame))) | |
| 1052 | |
| 1053 ;; XEmacs change: this function differs significantly from Emacs. | |
| 1054 (defun set-cursor-color (color-name) | |
| 1055 "Set the text cursor color of the selected frame to COLOR-NAME. | |
| 1056 When called interactively, prompt for the name of the color to use. | |
| 1057 To get the frame's current cursor color, use | |
| 1058 '(face-background-name 'text-cursor)'." | |
| 1059 (interactive (list (read-color "Color: "))) | |
| 1060 (set-face-background 'text-cursor color-name (selected-frame))) | |
| 1061 | |
| 1062 ;; XEmacs change: this function differs significantly from Emacs. | |
| 1063 (defun set-mouse-color (color-name) | |
| 1064 "Set the color of the mouse pointer of the selected frame to COLOR-NAME. | |
| 1065 When called interactively, prompt for the name of the color to use. | |
| 1066 To get the frame's current mouse color, use | |
| 1067 `(face-foreground-name 'pointer)'." | |
| 1068 (interactive (list (read-color "Color: "))) | |
| 1069 (set-face-foreground 'pointer color-name (selected-frame))) | |
| 1070 | |
| 1071 ;; XEmacs change: this function differs significantly from Emacs. | |
| 1072 (defun set-border-color (color-name) | |
| 1073 "Set the color of the border of the selected frame to COLOR-NAME. | |
| 1074 When called interactively, prompt for the name of the color to use. | |
| 1075 To get the frame's current border color, use | |
| 1076 `(face-foreground-name 'border-glyph)'." | |
| 1077 (interactive (list (read-color "Color: "))) | |
| 1078 (set-face-foreground 'border-glyph color-name (selected-frame))) | |
| 1079 | |
| 1080 ;;; BEGIN XEmacs addition | |
| 1081 ;;; This is the traditional XEmacs auto-raise and auto-lower, which applies | |
| 1082 ;;; to all frames. | |
| 1083 | |
| 1084 (defcustom auto-raise-frame nil | |
| 1085 "*If true, frames will be raised to the top when selected. | |
| 1086 Under X, most ICCCM-compliant window managers will have an option to do this | |
| 1087 for you, but this variable is provided in case you're using a broken WM." | |
| 1088 :type 'boolean | |
| 1089 :group 'frames) | |
| 1090 | |
| 1091 (defcustom auto-lower-frame nil | |
| 1092 "*If true, frames will be lowered to the bottom when no longer selected. | |
| 1093 Under X, most ICCCM-compliant window managers will have an option to do this | |
| 1094 for you, but this variable is provided in case you're using a broken WM." | |
| 1095 :type 'boolean | |
| 1096 :group 'frames) | |
| 1097 | |
| 1098 (defun default-select-frame-hook () | |
| 1099 "Implement the `auto-raise-frame' variable. | |
| 1100 For use as the value of `select-frame-hook'." | |
| 1101 (if auto-raise-frame (raise-frame (selected-frame)))) | |
| 428 | 1102 |
| 1942 | 1103 (defun default-deselect-frame-hook () |
| 1104 "Implement the `auto-lower-frame' variable. | |
| 1105 For use as the value of `deselect-frame-hook'." | |
| 1106 (if auto-lower-frame (lower-frame (selected-frame))) | |
| 1107 (highlight-extent nil nil)) | |
| 1108 | |
| 1109 (or select-frame-hook | |
| 1110 (add-hook 'select-frame-hook 'default-select-frame-hook)) | |
| 1111 | |
| 1112 (or deselect-frame-hook | |
| 1113 (add-hook 'deselect-frame-hook 'default-deselect-frame-hook)) | |
| 1114 | |
| 1115 ;;; END XEmacs addition | |
| 1116 ;;; Following is the Emacs auto-raise/auto-lower interface, which lets the | |
| 1117 ;;; user select individual frames to auto-raise and auto-lower | |
| 1118 | |
| 1119 ;; XEmacs addition: the next two variables do not appear in Emacs | |
| 1120 (defvar auto-raise-specifier (make-boolean-specifier auto-raise-frame) | |
| 1121 "Specifier that determines which frames should auto-raise. | |
| 1122 A value of `t' means that a frame auto-raises; `nil' means it does not.") | |
| 1123 | |
| 1124 (defvar auto-lower-specifier (make-boolean-specifier auto-lower-frame) | |
| 1125 "Specifier that determines which frames should auto-lower. | |
| 1126 A value of `t' means that a frame auto-lowers; `nil' means it does not.") | |
| 1127 | |
| 1128 ;; XEmacs change: use specifiers instead of frame-parameters | |
| 1129 (defun auto-raise-mode (arg) | |
| 1130 "Toggle whether or not the selected frame should auto-raise. | |
| 1131 With arg, turn auto-raise mode on if and only if arg is positive. | |
| 1132 Note that this controls Emacs's own auto-raise feature. | |
| 1133 Some window managers allow you to enable auto-raise for certain windows. | |
| 1134 You can use that for Emacs windows if you wish, but if you do, | |
| 1135 that is beyond the control of Emacs and this command has no effect on it." | |
| 1136 (interactive "P") | |
| 1137 (if (null arg) | |
| 1138 (setq arg | |
| 1139 (if (specifier-instance auto-raise-specifier (selected-frame)) | |
| 1140 -1 1))) | |
| 1141 (if (> arg 0) | |
| 1142 (progn | |
| 1143 (raise-frame (selected-frame)) | |
| 1144 (add-hook 'select-frame-hook 'default-select-frame-hook)) | |
| 1145 (set-specifier auto-raise-specifier (> arg 0) (selected-frame)))) | |
| 1146 | |
| 1147 ;; XEmacs change: use specifiers instead of frame-parameters | |
| 1148 (defun auto-lower-mode (arg) | |
| 1149 "Toggle whether or not the selected frame should auto-lower. | |
| 1150 With arg, turn auto-lower mode on if and only if arg is positive. | |
| 1151 Note that this controls Emacs's own auto-lower feature. | |
| 1152 Some window managers allow you to enable auto-lower for certain windows. | |
| 1153 You can use that for Emacs windows if you wish, but if you do, | |
| 1154 that is beyond the control of Emacs and this command has no effect on it." | |
| 1155 (interactive "P") | |
| 1156 (if (null arg) | |
| 1157 (setq arg | |
| 1158 (if (specifier-instance auto-lower-specifier (selected-frame)) | |
| 1159 -1 1))) | |
| 1160 (if (> arg 0) | |
| 1161 (progn | |
| 1162 (lower-frame (selected-frame)) | |
| 1163 (add-hook 'deselect-frame-hook 'default-deselect-frame-hook)) | |
| 1164 (set-specifier auto-lower-specifier (> arg 0) (selected-frame)))) | |
| 428 | 1165 |
| 1942 | 1166 ;; XEmacs omission: XEmacs does not support changing the frame name |
| 1167 ;(defun set-frame-name (name) | |
| 1168 ; "Set the name of the selected frame to NAME. | |
| 1169 ;When called interactively, prompt for the name of the frame. | |
| 1170 ;The frame name is displayed on the modeline if the terminal displays only | |
| 1171 ;one frame, otherwise the name is displayed on the frame's caption bar." | |
| 1172 ; (interactive "sFrame name: ") | |
| 1173 ; (modify-frame-parameters (selected-frame) | |
| 1174 ; (list (cons 'name name)))) | |
| 1175 | |
| 1176 ;; XEmacs omission: XEmacs attaches scrollbars to windows, not frames. | |
| 1177 ;; See window-hscroll and ... what? window-start? | |
| 1178 ;(defun frame-current-scroll-bars (&optional frame) | |
| 1179 ; "Return the current scroll-bar settings in frame FRAME. | |
| 1180 ;Value is a cons (VERTICAL . HORISONTAL) where VERTICAL specifies the | |
| 1181 ;current location of the vertical scroll-bars (left, right, or nil), | |
| 1182 ;and HORISONTAL specifies the current location of the horisontal scroll | |
| 1183 ;bars (top, bottom, or nil)." | |
| 1184 ; (let ((vert (frame-parameter frame 'vertical-scroll-bars)) | |
| 1185 ; (hor nil)) | |
| 1186 ; (unless (memq vert '(left right nil)) | |
| 1187 ; (setq vert default-frame-scroll-bars)) | |
| 1188 ; (cons vert hor))) | |
| 1189 | |
| 1190 ;;;; Frame/display capabilities. | |
| 1191 (defun display-mouse-p (&optional display) | |
| 1192 "Return non-nil if DISPLAY has a mouse available. | |
| 1193 DISPLAY can be a frame, a device, a console, or nil (meaning the | |
| 1194 selected frame)." | |
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1195 (let (type) |
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1196 (setq display (display-device display) |
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1197 type (device-type display)) |
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1198 (cond |
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1199 ((eq 'mswindows type) |
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1200 (> (declare-boundp mswindows-num-mouse-buttons) 0)) |
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1201 ((device-on-window-system-p display) |
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1202 ;; We assume X, GTK and the rest always have a pointing device. |
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1203 t) |
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1204 ((eq 'tty type) |
| 2367 | 1205 (and-fboundp 'gpm-is-supported-p |
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1206 (gpm-is-supported-p display))) |
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1207 (t nil)))) |
| 1942 | 1208 |
| 1209 (defun display-popup-menus-p (&optional display) | |
| 1210 "Return non-nil if popup menus are supported on DISPLAY. | |
| 1211 DISPLAY can be a frame, a device, a console, or nil (meaning the selected | |
| 1212 frame). Support for popup menus requires that the mouse be available." | |
|
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1213 (setq display (display-device display)) |
| 1942 | 1214 (and |
|
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1215 (featurep 'menubar) |
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1216 (device-on-window-system-p display) |
| 1942 | 1217 (display-mouse-p display))) |
| 1218 | |
| 1219 (defun display-graphic-p (&optional display) | |
| 1220 "Return non-nil if DISPLAY is a graphic display. | |
| 1221 Graphical displays are those which are capable of displaying several | |
| 1222 frames and several different fonts at once. This is true for displays | |
| 1223 that use a window system such as X, and false for text-only terminals. | |
| 1224 DISPLAY can be a frame, a device, a console, or nil (meaning the selected | |
| 1225 frame)." | |
|
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1226 (device-on-window-system-p (display-device display))) |
| 1942 | 1227 |
| 1228 (defun display-images-p (&optional display) | |
| 1229 "Return non-nil if DISPLAY can display images. | |
| 1230 DISPLAY can be a frame, a device, a console, or nil (meaning the selected | |
| 1231 frame)." | |
|
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1232 (and (memq (image-instance-type (specifier-instance |
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1233 (glyph-image xemacs-logo) |
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1234 display)) |
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1235 '(color-pixmap mono-pixmap)) |
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1236 t)) |
| 1942 | 1237 |
| 1238 (defalias 'display-multi-frame-p 'display-graphic-p) | |
| 1239 (defalias 'display-multi-font-p 'display-graphic-p) | |
| 428 | 1240 |
| 1942 | 1241 (defun display-selections-p (&optional display) |
| 1242 "Return non-nil if DISPLAY supports selections. | |
| 1243 A selection is a way to transfer text or other data between programs | |
| 1244 via special system buffers called `selection' or `cut buffer' or | |
| 1245 `clipboard'. | |
| 1246 DISPLAY can be a frame, a device, a console, or nil (meaning the selected | |
| 1247 frame)." | |
|
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1248 (or |
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1249 (device-on-window-system-p display) |
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1250 ;; GPM supports #'get-selection-foreign, but not #'own-selection. |
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1251 (and-fboundp 'gpm-is-supported-p |
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1252 (gpm-is-supported-p display)))) |
| 1942 | 1253 |
| 1254 (defun display-screens (&optional display) | |
| 1255 "Return the number of screens associated with DISPLAY." | |
| 1256 (device-num-screens (display-device display))) | |
| 1257 | |
| 1258 (defun display-pixel-height (&optional display) | |
| 1259 "Return the height of DISPLAY's screen in pixels. | |
| 1260 For character terminals, each character counts as a single pixel." | |
| 1261 (device-pixel-height (display-device display))) | |
| 1262 | |
| 1263 (defun display-pixel-width (&optional display) | |
| 1264 "Return the width of DISPLAY's screen in pixels. | |
| 1265 For character terminals, each character counts as a single pixel." | |
| 1266 (device-pixel-width (display-device display))) | |
| 1267 | |
| 1268 (defun display-mm-height (&optional display) | |
| 1269 "Return the height of DISPLAY's screen in millimeters. | |
| 1270 If the information is unavailable, value is nil." | |
| 1271 (device-mm-height (display-device display))) | |
| 1272 | |
| 1273 (defun display-mm-width (&optional display) | |
| 1274 "Return the width of DISPLAY's screen in millimeters. | |
| 1275 If the information is unavailable, value is nil." | |
| 1276 (device-mm-width (display-device display))) | |
| 1277 | |
| 1278 (defun display-backing-store (&optional display) | |
| 1279 "Return the backing store capability of DISPLAY's screen. | |
| 1280 The value may be `always', `when-mapped', `not-useful', or nil if | |
| 1281 the question is inapplicable to a certain kind of display." | |
| 1282 (device-backing-store (display-device display))) | |
| 1283 | |
| 1284 (defun display-save-under (&optional display) | |
| 1285 "Return non-nil if DISPLAY's screen supports the SaveUnder feature." | |
| 1286 (device-save-under (display-device display))) | |
| 1287 | |
| 1288 (defun display-planes (&optional display) | |
| 1289 "Return the number of planes supported by DISPLAY." | |
| 1290 (device-bitplanes (display-device display))) | |
| 1291 | |
| 1292 (defun display-color-cells (&optional display) | |
| 1293 "Return the number of color cells supported by DISPLAY." | |
| 1294 (device-color-cells (display-device display))) | |
| 1295 | |
| 1296 (defun display-visual-class (&optional display) | |
| 1297 "Returns the visual class of DISPLAY. | |
| 1298 The value is one of the symbols `static-gray', `gray-scale', | |
| 1299 `static-color', `pseudo-color', `true-color', or `direct-color'." | |
|
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1300 (let (type planes) |
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1301 (setq display (display-device display) |
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1302 type (device-type display)) |
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1303 (cond |
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1304 ((eq 'x type) |
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1305 (declare-fboundp (x-display-visual-class display))) |
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1306 ((eq 'gtk type) |
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1307 (declare-fboundp (gtk-display-visual-class display))) |
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1308 ((device-on-window-system-p display) |
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1309 (setq planes (display-planes display)) |
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1310 (cond ((eq planes 1) 'static-gray) |
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1311 ((eq planes 4) 'static-color) |
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1312 ((> planes 8) 'true-color) |
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1313 (t 'pseudo-color))) |
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1314 (t 'static-gray)))) |
| 1942 | 1315 |
| 1316 | |
| 1317 ;; XEmacs change: omit the Emacs 18 compatibility functions: | |
| 1318 ;; screen-height, screen-width, set-screen-height, and set-screen-width. | |
| 1319 | |
| 1320 (defun delete-other-frames (&optional frame) | |
| 1321 "Delete all frames except FRAME. | |
| 1322 If FRAME uses another frame's minibuffer, the minibuffer frame is | |
| 1323 left untouched. FRAME nil or omitted means use the selected frame." | |
| 1324 (interactive) | |
| 1325 (unless frame | |
| 1326 (setq frame (selected-frame))) | |
| 1327 (let* ((mini-frame (window-frame (minibuffer-window frame))) | |
| 1328 (frames (delq mini-frame (delq frame (frame-list))))) | |
| 1329 (mapc 'delete-frame frames))) | |
| 1330 | |
| 1331 ;; XEmacs change: we still use delete-frame-hook | |
| 1332 ;; miscellaneous obsolescence declarations | |
| 1333 ;(defvaralias 'delete-frame-hook 'delete-frame-functions) | |
| 1334 ;(make-obsolete-variable 'delete-frame-hook 'delete-frame-functions "21.4") | |
| 1335 | |
| 1336 | |
| 1337 ;; Highlighting trailing whitespace. | |
| 1338 ;; XEmacs omission: this functionality is provided by whitespace-mode in the | |
| 1339 ;; text-modes package. | |
| 1340 | |
| 1341 ;(make-variable-buffer-local 'show-trailing-whitespace) | |
| 1342 | |
| 1343 ;(defcustom show-trailing-whitespace nil | |
| 1344 ; "*Non-nil means highlight trailing whitespace in face `trailing-whitespace'. | |
| 1345 ; | |
| 1346 ;Setting this variable makes it local to the current buffer." | |
| 1347 ; :tag "Highlight trailing whitespace." | |
| 1348 ; :type 'boolean | |
| 1349 ; :group 'font-lock) | |
| 1350 | |
| 1351 | |
| 1352 ;; Scrolling | |
| 1353 ;; XEmacs omission: This functionality is always enabled on XEmacs. | |
| 1354 | |
| 1355 ;(defgroup scrolling nil | |
| 1356 ; "Scrolling windows." | |
| 1357 ; :version "21.1" | |
| 1358 ; :group 'frames) | |
| 1359 | |
| 1360 ;(defcustom auto-hscroll-mode t | |
| 1361 ; "*Allow or disallow automatic scrolling windows horizontally. | |
| 1362 ;If non-nil, windows are automatically scrolled horizontally to make | |
| 1363 ;point visible." | |
| 1364 ; :version "21.1" | |
| 1365 ; :type 'boolean | |
| 1366 ; :group 'scrolling) | |
| 1367 ;(defvaralias 'automatic-hscrolling 'auto-hscroll-mode) | |
| 1368 | |
| 1369 | |
| 1370 ;; Blinking cursor | |
| 1371 ;; XEmacs omission: this functionality is provided by blink-cursor in the | |
| 1372 ;; edit-utils package. | |
| 1373 | |
| 1374 ; (defgroup cursor nil | |
| 1375 ; "Displaying text cursors." | |
| 1376 ; :version "21.1" | |
| 1377 ; :group 'frames) | |
| 428 | 1378 |
| 1942 | 1379 ; (defcustom blink-cursor-delay 0.5 |
| 1380 ; "*Seconds of idle time after which cursor starts to blink." | |
| 1381 ; :tag "Delay in seconds." | |
| 1382 ; :type 'number | |
| 1383 ; :group 'cursor) | |
| 1384 | |
| 1385 ; (defcustom blink-cursor-interval 0.5 | |
| 1386 ; "*Length of cursor blink interval in seconds." | |
| 1387 ; :tag "Blink interval in seconds." | |
| 1388 ; :type 'number | |
| 1389 ; :group 'cursor) | |
| 1390 | |
| 1391 ; (defvar blink-cursor-idle-timer nil | |
| 1392 ; "Timer started after `blink-cursor-delay' seconds of Emacs idle time. | |
| 1393 ; The function `blink-cursor-start' is called when the timer fires.") | |
| 1394 | |
| 1395 ; (defvar blink-cursor-timer nil | |
| 1396 ; "Timer started from `blink-cursor-start'. | |
| 1397 ; This timer calls `blink-cursor' every `blink-cursor-interval' seconds.") | |
| 1398 | |
| 1399 ; (defvar blink-cursor-mode nil | |
| 1400 ; "Non-nil means blinking cursor is active.") | |
| 1401 | |
| 1402 ; (defun blink-cursor-mode (arg) | |
| 1403 ; "Toggle blinking cursor mode. | |
| 1404 ; With a numeric argument, turn blinking cursor mode on iff ARG is positive. | |
| 1405 ; When blinking cursor mode is enabled, the cursor of the selected | |
| 1406 ; window blinks. | |
| 1407 | |
| 1408 ; Note that this command is effective only when Emacs | |
| 1409 ; displays through a window system, because then Emacs does its own | |
| 1410 ; cursor display. On a text-only terminal, this is not implemented." | |
| 1411 ; (interactive "P") | |
| 1412 ; (let ((on-p (if (null arg) | |
| 1413 ; (not blink-cursor-mode) | |
| 1414 ; (> (prefix-numeric-value arg) 0)))) | |
| 1415 ; (if blink-cursor-idle-timer | |
| 1416 ; (cancel-timer blink-cursor-idle-timer)) | |
| 1417 ; (if blink-cursor-timer | |
| 1418 ; (cancel-timer blink-cursor-timer)) | |
| 1419 ; (setq blink-cursor-idle-timer nil | |
| 1420 ; blink-cursor-timer nil | |
| 1421 ; blink-cursor-mode nil) | |
| 1422 ; (if on-p | |
| 1423 ; (progn | |
| 1424 ; ;; Hide the cursor. | |
| 1425 ; ;(internal-show-cursor nil nil) | |
| 1426 ; (setq blink-cursor-idle-timer | |
| 1427 ; (run-with-idle-timer blink-cursor-delay | |
| 1428 ; blink-cursor-delay | |
| 1429 ; 'blink-cursor-start)) | |
| 1430 ; (setq blink-cursor-mode t)) | |
| 1431 ; (internal-show-cursor nil t)))) | |
| 1432 | |
| 1433 ; ;; Note that this is really initialized from startup.el before | |
| 1434 ; ;; the init-file is read. | |
| 1435 | |
| 1436 ; (defcustom blink-cursor nil | |
| 1437 ; "*Non-nil means blinking cursor mode is active." | |
| 1438 ; :group 'cursor | |
| 1439 ; :tag "Blinking cursor" | |
| 1440 ; :type 'boolean | |
| 1441 ; :set #'(lambda (symbol value) | |
| 1442 ; (set-default symbol value) | |
| 1443 ; (blink-cursor-mode (or value 0)))) | |
| 428 | 1444 |
| 1942 | 1445 ; (defun blink-cursor-start () |
| 1446 ; "Timer function called from the timer `blink-cursor-idle-timer'. | |
| 1447 ; This starts the timer `blink-cursor-timer', which makes the cursor blink | |
| 1448 ; if appropriate. It also arranges to cancel that timer when the next | |
| 1449 ; command starts, by installing a pre-command hook." | |
| 1450 ; (when (null blink-cursor-timer) | |
| 1451 ; (add-hook 'pre-command-hook 'blink-cursor-end) | |
| 1452 ; (setq blink-cursor-timer | |
| 1453 ; (run-with-timer blink-cursor-interval blink-cursor-interval | |
| 1454 ; 'blink-cursor-timer-function)))) | |
| 1455 | |
| 1456 ; (defun blink-cursor-timer-function () | |
| 1457 ; "Timer function of timer `blink-cursor-timer'." | |
| 1458 ; (internal-show-cursor nil (not (internal-show-cursor-p)))) | |
| 1459 | |
| 1460 ; (defun blink-cursor-end () | |
| 1461 ; "Stop cursor blinking. | |
| 1462 ; This is installed as a pre-command hook by `blink-cursor-start'. | |
| 1463 ; When run, it cancels the timer `blink-cursor-timer' and removes | |
| 1464 ; itself as a pre-command hook." | |
| 1465 ; (remove-hook 'pre-command-hook 'blink-cursor-end) | |
| 1466 ; (internal-show-cursor nil t) | |
| 1467 ; (cancel-timer blink-cursor-timer) | |
| 1468 ; (setq blink-cursor-timer nil)) | |
| 1469 | |
| 428 | 1470 |
| 1942 | 1471 ;; Hourglass pointer |
| 1472 ;; XEmacs omission: this functionality is provided elsewhere. | |
| 1473 | |
| 1474 ; (defcustom display-hourglass t | |
| 1475 ; "*Non-nil means show an hourglass pointer when running under a window system." | |
| 1476 ; :tag "Hourglass pointer" | |
| 1477 ; :type 'boolean | |
| 1478 ; :group 'cursor) | |
| 1479 | |
| 1480 ; (defcustom hourglass-delay 1 | |
| 1481 ; "*Seconds to wait before displaying an hourglass pointer." | |
| 1482 ; :tag "Hourglass delay" | |
| 1483 ; :type 'number | |
| 1484 ; :group 'cursor) | |
| 1485 | |
| 1486 ; | |
| 1487 ; (defcustom cursor-in-non-selected-windows t | |
| 1488 ; "*Non-nil means show a hollow box cursor in non-selected-windows. | |
| 1489 ; If nil, don't show a cursor except in the selected window. | |
| 1490 ; Use Custom to set this variable to get the display updated." | |
| 1491 ; :tag "Cursor in non-selected windows" | |
| 1492 ; :type 'boolean | |
| 1493 ; :group 'cursor | |
| 1494 ; :set #'(lambda (symbol value) | |
| 1495 ; (set-default symbol value) | |
| 1496 ; (force-mode-line-update t))) | |
| 1497 | |
| 1498 | |
| 1499 ;;;; Key bindings | |
| 1500 ;; XEmacs change: these keybindings are in keydef.el. | |
| 1501 | |
| 1502 ;(define-key ctl-x-5-map "2" 'make-frame-command) | |
| 1503 ;(define-key ctl-x-5-map "1" 'delete-other-frames) | |
| 1504 ;(define-key ctl-x-5-map "0" 'delete-frame) | |
| 1505 ;(define-key ctl-x-5-map "o" 'other-frame) | |
| 1506 | |
| 1507 | |
| 1508 ;;; XEmacs addition: nothing below this point appears in the Emacs version. | |
| 1509 | |
| 428 | 1510 ;;; Iconifying emacs. |
| 1511 ;;; | |
| 1512 ;;; The function iconify-emacs replaces every non-iconified emacs window | |
| 1513 ;;; with a *single* icon. Iconified emacs windows are left alone. When | |
| 1514 ;;; emacs is in this globally-iconified state, de-iconifying any emacs icon | |
| 1515 ;;; will uniconify all frames that were visible, and iconify all frames | |
| 1516 ;;; that were not. This is done by temporarily changing the value of | |
| 1517 ;;; `map-frame-hook' to `deiconify-emacs' (which should never be called | |
| 1518 ;;; except from the map-frame-hook while emacs is iconified). | |
| 1519 ;;; | |
| 1520 ;;; The title of the icon representing all emacs frames is controlled by | |
| 1521 ;;; the variable `icon-name'. This is done by temporarily changing the | |
| 1522 ;;; value of `frame-icon-title-format'. Unfortunately, this changes the | |
| 1523 ;;; titles of all emacs icons, not just the "big" icon. | |
| 1524 ;;; | |
| 1525 ;;; It would be nice if existing icons were removed and restored by | |
| 1526 ;;; iconifying the emacs process, but I couldn't make that work yet. | |
| 1527 | |
| 1528 (defvar icon-name nil) ; set this at run time, not load time. | |
| 1529 | |
| 1530 (defvar iconification-data nil) | |
| 1531 | |
| 1532 (defun iconify-emacs () | |
| 1533 "Replace every non-iconified FRAME with a *single* icon. | |
| 1534 Iconified frames are left alone. When XEmacs is in this | |
| 1535 globally-iconified state, de-iconifying any emacs icon will uniconify | |
| 1536 all frames that were visible, and iconify all frames that were not." | |
| 1537 (interactive) | |
| 1538 (if iconification-data (error "already iconified?")) | |
| 1539 (let* ((frames (frame-list)) | |
| 1540 (rest frames) | |
| 1541 (me (selected-frame)) | |
| 1542 frame) | |
| 1543 (while rest | |
| 1544 (setq frame (car rest)) | |
| 1545 (setcar rest (cons frame (frame-visible-p frame))) | |
| 1546 ; (if (memq (cdr (car rest)) '(icon nil)) | |
| 1547 ; (progn | |
| 1548 ; (make-frame-visible frame) ; deiconify, and process the X event | |
| 1549 ; (sleep-for 500 t) ; process X events; I really want to XSync() here | |
| 1550 ; )) | |
| 1551 (or (eq frame me) (make-frame-invisible frame)) | |
| 1552 (setq rest (cdr rest))) | |
| 1553 (or (boundp 'map-frame-hook) (setq map-frame-hook nil)) | |
| 1554 (or icon-name | |
| 1555 (setq icon-name (concat invocation-name " @ " (system-name)))) | |
| 1556 (setq iconification-data | |
| 1557 (list frame-icon-title-format map-frame-hook frames) | |
| 1558 frame-icon-title-format icon-name | |
| 1559 map-frame-hook 'deiconify-emacs) | |
| 1560 (iconify-frame me))) | |
| 1561 | |
| 1562 | |
| 1563 (defun deiconify-emacs (&optional ignore) | |
| 1564 (or iconification-data (error "not iconified?")) | |
| 1565 (setq frame-icon-title-format (car iconification-data) | |
| 1566 map-frame-hook (car (cdr iconification-data)) | |
| 1567 iconification-data (car (cdr (cdr iconification-data)))) | |
| 1568 (while iconification-data | |
| 1569 (let ((visibility (cdr (car iconification-data)))) | |
| 1570 (cond (visibility ;; JV (Note non-nil means visible in XEmacs) | |
| 1571 (make-frame-visible (car (car iconification-data)))) | |
| 1572 ; (t ;; (eq visibility 'icon) ;; JV Not in XEmacs!!! | |
| 1573 ; (make-frame-visible (car (car iconification-data))) | |
| 1574 ; (sleep-for 500 t) ; process X events; I really want to XSync() here | |
| 1575 ; (iconify-frame (car (car iconification-data)))) | |
| 1576 ;; (t nil) | |
| 1577 )) | |
| 1578 (setq iconification-data (cdr iconification-data)))) | |
| 1579 | |
| 1580 (defun suspend-or-iconify-emacs () | |
| 3547 | 1581 "Call iconify-emacs if using a window system, otherwise suspend. |
| 1582 | |
| 1583 `suspend' here can mean different things; if the current TTY console was | |
| 1584 created by gnuclient, that console is suspended, and the related devices and | |
| 1585 frames are removed from the display. Otherwise the Emacs process as a whole | |
| 1586 is suspended--that is, the traditional Unix suspend takes place. " | |
| 428 | 1587 (interactive) |
| 1588 (cond ((device-on-window-system-p) | |
| 1589 (iconify-emacs)) | |
| 1590 ((and (eq (device-type) 'tty) | |
| 502 | 1591 (declare-fboundp (console-tty-controlling-process |
| 1592 (selected-console)))) | |
| 428 | 1593 (suspend-console (selected-console))) |
| 1594 (t | |
| 1595 (suspend-emacs)))) | |
| 1596 | |
| 1597 ;; This is quite a mouthful, but it should be descriptive, as it's | |
| 1598 ;; bound to C-z. FSF takes the easy way out by binding C-z to | |
| 1599 ;; different things depending on window-system. We can't do the same, | |
| 1600 ;; because we allow simultaneous X and TTY consoles. | |
| 1601 (defun suspend-emacs-or-iconify-frame () | |
| 3547 | 1602 "Iconify the selected frame if using a window system, otherwise suspend. |
| 1603 | |
| 1604 `suspend' here can mean different things; if the current TTY console was | |
| 1605 created by gnuclient, the console is suspended, and the related devices and | |
| 1606 frames are removed from the display. Otherwise the Emacs process as a whole | |
| 1607 is suspended--that is, the traditional Unix suspend takes place. " | |
| 428 | 1608 (interactive) |
| 1609 (cond ((device-on-window-system-p) | |
| 1610 (iconify-frame)) | |
| 1611 ((and (eq (frame-type) 'tty) | |
| 502 | 1612 (declare-fboundp (console-tty-controlling-process |
| 1613 (selected-console)))) | |
| 428 | 1614 (suspend-console (selected-console))) |
| 1615 (t | |
| 1616 (suspend-emacs)))) | |
| 1617 | |
| 1618 | |
| 1619 ;;; Application-specific frame-management | |
| 1620 | |
| 1621 (defcustom get-frame-for-buffer-default-frame-name nil | |
| 1622 "*The default frame to select; see doc of `get-frame-for-buffer'." | |
| 1623 :type 'string | |
| 1624 :group 'frames) | |
| 1625 | |
| 1626 (defcustom get-frame-for-buffer-default-instance-limit nil | |
| 1627 "*The default instance limit for creating new frames; | |
| 1628 see doc of `get-frame-for-buffer'." | |
| 1629 :type 'integer | |
| 1630 :group 'frames) | |
| 1631 | |
| 1632 (defun get-frame-name-for-buffer (buffer) | |
| 1633 (let ((mode (and (get-buffer buffer) | |
| 1634 (save-excursion (set-buffer buffer) | |
| 1635 major-mode)))) | |
| 1636 (or (get mode 'frame-name) | |
| 1637 get-frame-for-buffer-default-frame-name))) | |
| 1638 | |
| 1639 (defun get-frame-for-buffer-make-new-frame (buffer &optional frame-name plist) | |
| 1640 (let* ((fr (make-frame plist)) | |
| 1641 (w (frame-root-window fr))) | |
| 1642 ;; | |
| 1643 ;; Make the one buffer being displayed in this newly created | |
| 1644 ;; frame be the buffer of interest, instead of something | |
| 1645 ;; random, so that it won't be shown in two-window mode. | |
| 1646 ;; Avoid calling switch-to-buffer here, since that's something | |
| 1647 ;; people might want to call this routine from. | |
| 1648 ;; | |
| 1649 ;; (If the root window doesn't have a buffer, then that means | |
| 1650 ;; there is more than one window on the frame, which can only | |
| 1651 ;; happen if the user has done something funny on the frame- | |
| 1652 ;; creation-hook. If that's the case, leave it alone.) | |
| 1653 ;; | |
| 1654 (if (window-buffer w) | |
| 1655 (set-window-buffer w buffer)) | |
| 1656 fr)) | |
| 1657 | |
| 1658 (defcustom get-frame-for-buffer-default-to-current nil | |
| 1659 "*When non-nil, `get-frame-for-buffer' will default to the selected frame." | |
| 1660 :type 'boolean | |
| 1661 :group 'frames) | |
| 1662 | |
| 1663 (defun get-frame-for-buffer-noselect (buffer | |
| 1664 &optional not-this-window-p on-frame) | |
| 1665 "Return a frame in which to display BUFFER. | |
| 1666 This is a subroutine of `get-frame-for-buffer' (which see)." | |
| 1667 (let (name limit) | |
| 1668 (cond | |
| 1669 ((or on-frame (eq (selected-window) (minibuffer-window))) | |
| 1670 ;; don't switch frames if a frame was specified, or to list | |
| 1671 ;; completions from the minibuffer, etc. | |
| 1672 nil) | |
| 1673 | |
| 1674 ((setq name (get-frame-name-for-buffer buffer)) | |
| 1675 ;; | |
| 1676 ;; This buffer's mode expressed a preference for a frame of a particular | |
| 1677 ;; name. That always takes priority. | |
| 1678 ;; | |
| 1679 (let ((limit (get name 'instance-limit)) | |
| 1680 (defaults (get name 'frame-defaults)) | |
| 1681 (matching-frames '()) | |
| 1682 frames frame already-visible) | |
| 1683 ;; Sort the list so that iconic frames will be found last. They | |
| 1684 ;; will be used too, but mapped frames take precedence. And | |
| 1685 ;; fully visible frames come before occluded frames. | |
| 1686 ;; Hidden frames come after really visible ones | |
| 1687 (setq frames | |
| 1688 (sort (frame-list) | |
| 1689 #'(lambda (s1 s2) | |
| 1690 (cond ((frame-totally-visible-p s2) | |
| 1691 nil) | |
| 1692 ((not (frame-visible-p s2)) | |
| 1693 (frame-visible-p s1)) | |
| 1694 ((eq (frame-visible-p s2) 'hidden) | |
| 1695 (eq (frame-visible-p s1) t )) | |
| 1696 ((not (frame-totally-visible-p s2)) | |
| 1697 (and (frame-visible-p s1) | |
| 1698 (frame-totally-visible-p s1))))))) | |
| 1699 ;; but the selected frame should come first, even if it's occluded, | |
| 1700 ;; to minimize thrashing. | |
| 1701 (setq frames (cons (selected-frame) | |
| 1702 (delq (selected-frame) frames))) | |
| 1703 | |
| 1704 (setq name (symbol-name name)) | |
| 1705 (while frames | |
| 1706 (setq frame (car frames)) | |
| 1707 (if (equal name (frame-name frame)) | |
| 1708 (if (get-buffer-window buffer frame) | |
| 1709 (setq already-visible frame | |
| 1710 frames nil) | |
| 1711 (setq matching-frames (cons frame matching-frames)))) | |
| 1712 (setq frames (cdr frames))) | |
| 1713 (cond (already-visible | |
| 1714 already-visible) | |
| 1715 ((or (null matching-frames) | |
| 1716 (eq limit 0) ; means create with reckless abandon | |
| 1717 (and limit (< (length matching-frames) limit))) | |
| 1718 (get-frame-for-buffer-make-new-frame | |
| 1719 buffer | |
| 1720 name | |
| 1721 (alist-to-plist (acons 'name name | |
| 1722 (plist-to-alist defaults))))) | |
| 1723 (t | |
| 1724 ;; do not switch any of the window/buffer associations in an | |
| 1725 ;; existing frame; this function only picks a frame; the | |
| 1726 ;; determination of which windows on it get reused is up to | |
| 1727 ;; display-buffer itself. | |
| 1728 ;; (or (window-dedicated-p (selected-window)) | |
| 1729 ;; (switch-to-buffer buffer)) | |
| 1730 (car matching-frames))))) | |
| 1731 | |
| 1732 ((setq limit get-frame-for-buffer-default-instance-limit) | |
| 1733 ;; | |
| 1734 ;; This buffer's mode did not express a preference for a frame of a | |
| 1735 ;; particular name, but the user wants a new frame rather than | |
| 1736 ;; reusing the existing one. | |
| 1737 (let* ((defname | |
| 1738 (or (plist-get default-frame-plist 'name) | |
| 1739 default-frame-name)) | |
| 1740 (frames | |
|
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1741 (sort (remove-if-not #'(lambda (x) |
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1742 (or (frame-visible-p x) |
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1743 (frame-iconified-p x))) |
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1744 (frame-list)) |
| 428 | 1745 #'(lambda (s1 s2) |
| 1746 (cond ((and (frame-visible-p s1) | |
| 1747 (not (frame-visible-p s2)))) | |
| 1748 ((and (eq (frame-visible-p s1) t) | |
| 1749 (eq (frame-visible-p s2) 'hidden))) | |
| 1750 ((and (frame-visible-p s2) | |
| 1751 (not (frame-visible-p s1))) | |
| 1752 nil) | |
| 1753 ((and (equal (frame-name s1) defname) | |
| 1754 (not (equal (frame-name s2) defname)))) | |
| 1755 ((and (equal (frame-name s2) defname) | |
| 1756 (not (equal (frame-name s1) defname))) | |
| 1757 nil) | |
| 1758 ((frame-totally-visible-p s2) | |
| 1759 nil) | |
| 1760 (t)))))) | |
| 1761 ;; put the selected frame last. The user wants a new frame, | |
| 1762 ;; so don't reuse the existing one unless forced to. | |
| 1763 (setq frames (append (delq (selected-frame) frames) (list frames))) | |
| 1764 (if (or (eq limit 0) ; means create with reckless abandon | |
| 1765 (< (length frames) limit)) | |
| 1766 (get-frame-for-buffer-make-new-frame buffer) | |
| 1767 (car frames)))) | |
| 1768 | |
| 1769 (not-this-window-p | |
| 1770 (let ((w-list (windows-of-buffer buffer)) | |
| 1771 f w | |
| 1772 (first-choice nil) | |
| 1773 (second-choice (if get-frame-for-buffer-default-to-current | |
| 1774 (selected-frame) | |
| 1775 nil)) | |
| 1776 (last-resort nil)) | |
| 1777 (while (and w-list (null first-choice)) | |
| 1778 (setq w (car w-list) | |
| 1779 f (window-frame w)) | |
| 1780 (cond ((eq w (selected-window)) nil) | |
| 1781 ((not (frame-visible-p f)) | |
| 1782 (if (null last-resort) | |
| 1783 (setq last-resort f))) | |
| 1784 ((eq f (selected-frame)) | |
| 1785 (setq first-choice f)) | |
| 1786 ((null second-choice) | |
| 1787 (setq second-choice f))) | |
| 1788 (setq w-list (cdr w-list))) | |
| 1789 (or first-choice second-choice last-resort))) | |
| 1790 | |
| 1791 (get-frame-for-buffer-default-to-current (selected-frame)) | |
| 1792 | |
| 1793 (t | |
| 1794 ;; | |
| 1795 ;; This buffer's mode did not express a preference for a frame of a | |
| 1796 ;; particular name. So try to find a frame already displaying this | |
| 1797 ;; buffer. | |
| 1798 ;; | |
| 1799 (let ((w (or (get-buffer-window buffer nil) ; check current first | |
| 1800 (get-buffer-window buffer 'visible) ; then visible | |
| 1801 (get-buffer-window buffer 0)))) ; then iconic | |
| 1802 (cond ((null w) | |
| 1803 ;; It's not in any window - return nil, meaning no frame has | |
| 1804 ;; preference. | |
| 1805 nil) | |
| 1806 (t | |
| 1807 ;; Otherwise, return the frame of the buffer's window. | |
| 1808 (window-frame w)))))))) | |
| 1809 | |
| 1810 | |
| 1811 ;; The pre-display-buffer-function is called for effect, so this needs to | |
| 1812 ;; actually select the frame it wants. Fdisplay_buffer() takes notice of | |
| 1813 ;; changes to the selected frame. | |
| 903 | 1814 (defun get-frame-for-buffer (buffer &optional not-this-window-p on-frame |
| 1815 shrink-to-fit) | |
| 428 | 1816 "Select and return a frame in which to display BUFFER. |
| 1817 Normally, the buffer will simply be displayed in the selected frame. | |
| 3061 | 1818 But if the symbol naming the major-mode of the buffer has a `frame-name' |
| 428 | 1819 property (which should be a symbol), then the buffer will be displayed in |
| 1820 a frame of that name. If there is no frame of that name, then one is | |
| 1821 created. | |
| 1822 | |
| 3061 | 1823 If the major-mode doesn't have a `frame-name' property, then the frame |
| 428 | 1824 named by `get-frame-for-buffer-default-frame-name' will be used. If |
| 1825 that is nil (the default) then the currently selected frame will used. | |
| 1826 | |
| 3061 | 1827 If the frame-name symbol has an `instance-limit' property (an integer) |
| 428 | 1828 then each time a buffer of the mode in question is displayed, a new frame |
| 1829 with that name will be created, until there are `instance-limit' of them. | |
| 1830 If instance-limit is 0, then a new frame will be created each time. | |
| 1831 | |
| 1832 If a buffer is already displayed in a frame, then `instance-limit' is | |
| 1833 ignored, and that frame is used. | |
| 1834 | |
| 3061 | 1835 If the frame-name symbol has a `frame-defaults' property, then that is |
| 428 | 1836 prepended to the `default-frame-plist' when creating a frame for the |
| 1837 first time. | |
| 1838 | |
| 1839 This function may be used as the value of `pre-display-buffer-function', | |
| 444 | 1840 to cause the `display-buffer' function and its callers to exhibit the |
| 1841 above behavior." | |
| 428 | 1842 (let ((frame (get-frame-for-buffer-noselect |
| 1843 buffer not-this-window-p on-frame))) | |
| 1844 (if (not (eq frame (selected-frame))) | |
| 1845 frame | |
| 1846 (select-frame frame) | |
| 1847 (or (frame-visible-p frame) | |
| 1848 ;; If the frame was already visible, just focus on it. | |
| 1849 ;; If it wasn't visible (it was just created, or it used | |
| 1850 ;; to be iconified) then uniconify, raise, etc. | |
| 1851 (make-frame-visible frame)) | |
| 1852 frame))) | |
| 1853 | |
| 1854 (defun frames-of-buffer (&optional buffer visible-only) | |
| 1855 "Return list of frames that BUFFER is currently being displayed on. | |
| 1856 If the buffer is being displayed on the currently selected frame, that frame | |
| 1857 is first in the list. VISIBLE-ONLY will only list non-iconified frames." | |
| 1858 (let ((list (windows-of-buffer buffer)) | |
| 1859 (cur-frame (selected-frame)) | |
| 1860 next-frame frames save-frame) | |
| 1861 | |
| 1862 (while list | |
| 1863 (if (memq (setq next-frame (window-frame (car list))) | |
| 1864 frames) | |
| 1865 nil | |
| 1866 (if (eq cur-frame next-frame) | |
| 1867 (setq save-frame next-frame) | |
| 1868 (and | |
| 1869 (or (not visible-only) | |
| 1870 (frame-visible-p next-frame)) | |
| 1871 (setq frames (append frames (list next-frame)))))) | |
| 1872 (setq list (cdr list))) | |
| 1873 | |
| 1874 (if save-frame | |
| 1875 (append (list save-frame) frames) | |
| 1876 frames))) | |
| 1877 | |
| 1878 (defcustom temp-buffer-shrink-to-fit nil | |
| 1879 "*When non-nil resize temporary output buffers to minimize blank lines." | |
| 1880 :type 'boolean | |
| 1881 :group 'frames) | |
| 1882 | |
| 1883 (defcustom temp-buffer-max-height .5 | |
| 1884 "*Proportion of frame to use for temp windows." | |
| 1885 :type 'number | |
| 1886 :group 'frames) | |
| 1887 | |
|
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1888 ;; See also #'temp-buffer-resize-mode in help.el. |
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1889 |
| 428 | 1890 (defun show-temp-buffer-in-current-frame (buffer) |
| 444 | 1891 "For use as the value of `temp-buffer-show-function': |
| 428 | 1892 always displays the buffer in the selected frame, regardless of the behavior |
| 1893 that would otherwise be introduced by the `pre-display-buffer-function', which | |
| 1894 is normally set to `get-frame-for-buffer' (which see)." | |
| 1895 (let ((pre-display-buffer-function nil)) ; turn it off, whatever it is | |
| 903 | 1896 (let ((window (display-buffer buffer nil nil temp-buffer-shrink-to-fit))) |
| 428 | 1897 (if (not (eq (last-nonminibuf-frame) (window-frame window))) |
| 1898 ;; only the pre-display-buffer-function should ever do this. | |
| 1899 (error "display-buffer switched frames on its own!!")) | |
| 1900 (setq minibuffer-scroll-window window) | |
| 1901 (set-window-start window 1) ; obeys narrowing | |
| 1902 (set-window-point window 1) | |
| 1903 nil))) | |
| 1904 | |
| 1905 (setq temp-buffer-show-function 'show-temp-buffer-in-current-frame) | |
| 1906 | |
| 1907 | |
| 1908 ;; from Bob Weiner <bweiner@pts.mot.com>, modified by Ben Wing | |
| 1909 | |
| 1910 ;; By adding primitives to directly access the window hierarchy, | |
| 1911 ;; we can move many functions into Lisp. We do it this way | |
| 1912 ;; because the implementations are simpler in Lisp, and because | |
| 1913 ;; new functions like this can be added without requiring C | |
| 1914 ;; additions. | |
| 1915 | |
| 1916 (defun frame-utmost-window-2 (window position left-right-p major-end-p | |
| 1917 minor-end-p) | |
| 1918 ;; LEFT-RIGHT-P means we're looking for the leftmost or rightmost | |
| 1919 ;; window, instead of the highest or lowest. In this case, we | |
| 1920 ;; say that the "major axis" goes left-to-right instead of top-to- | |
| 1921 ;; bottom. The "minor axis" always goes perpendicularly. | |
| 1922 ;; | |
| 1923 ;; If MAJOR-END-P is t, we're looking for a windows that abut the | |
| 1924 ;; end (i.e. right or bottom) of the major axis, instead of the | |
| 1925 ;; start. | |
| 1926 ;; | |
| 1927 ;; If MINOR-END-P is t, then we want to start counting from the | |
| 1928 ;; end of the minor axis instead of the beginning. | |
| 1929 ;; | |
| 1930 ;; Here's the general idea: Imagine we're trying to count the number | |
| 1931 ;; of windows that abut the top; call this function foo(). So, we | |
| 1932 ;; start with the root window. If this is a vertical combination | |
| 1933 ;; window, then foo() applied to the root window is the same as | |
| 1934 ;; foo() applied to the first child. If the root is a horizontal | |
| 1935 ;; combination window, then foo() applied to the root is the | |
| 1936 ;; same as the sum of foo() applied to each of the children. | |
| 1937 ;; Otherwise, the root window is a leaf window, and foo() is 1. | |
| 1938 ;; Now it's clear that, each time foo() encounters a leaf window, | |
| 1939 ;; it's encountering a different window that abuts the top. | |
| 1940 ;; With a little examining, you can see that foo encounters the | |
| 1941 ;; top-abutting windows in order from left to right. We can | |
| 1942 ;; modify foo() to return the nth top-abutting window by simply | |
| 1943 ;; keeping a global variable that is decremented each time | |
| 1944 ;; foo() encounters a leaf window and would return 1. If the | |
| 1945 ;; global counter gets to zero, we've encountered the window | |
| 1946 ;; we were looking for, so we exit right away using a `throw'. | |
| 1947 ;; Otherwise, we make sure that all normal paths return nil. | |
| 1948 | |
| 1949 (let (child) | |
| 1950 (cond ((setq child (if left-right-p | |
| 1951 (window-first-hchild window) | |
| 1952 (window-first-vchild window))) | |
| 1953 (if major-end-p | |
| 1954 (while (window-next-child child) | |
| 1955 (setq child (window-next-child child)))) | |
| 1956 (frame-utmost-window-2 child position left-right-p major-end-p | |
| 1957 minor-end-p)) | |
| 1958 ((setq child (if left-right-p | |
| 1959 (window-first-vchild window) | |
| 1960 (window-first-hchild window))) | |
| 1961 (if minor-end-p | |
| 1962 (while (window-next-child child) | |
| 1963 (setq child (window-next-child child)))) | |
| 1964 (while child | |
| 1965 (frame-utmost-window-2 child position left-right-p major-end-p | |
| 1966 minor-end-p) | |
| 1967 (setq child (if minor-end-p | |
| 1968 (window-previous-child child) | |
| 1969 (window-next-child child)))) | |
| 1970 nil) | |
| 1971 (t | |
| 1972 (setcar position (1- (car position))) | |
| 1973 (if (= (car position) 0) | |
| 1974 (throw 'fhw-exit window) | |
| 1975 nil))))) | |
| 1976 | |
| 1977 (defun frame-utmost-window-1 (frame position left-right-p major-end-p) | |
| 1978 (let (minor-end-p) | |
| 1979 (or frame (setq frame (selected-frame))) | |
| 1980 (or position (setq position 0)) | |
| 1981 (if (>= position 0) | |
| 1982 (setq position (1+ position)) | |
| 1983 (setq minor-end-p t) | |
| 1984 (setq position (- position))) | |
| 1985 (catch 'fhw-exit | |
| 1986 ;; we use a cons here as a simple form of call-by-reference. | |
| 1987 ;; scheme has "boxes" for the same purpose. | |
| 1988 (frame-utmost-window-2 (frame-root-window frame) (list position) | |
| 1989 left-right-p major-end-p minor-end-p)))) | |
| 1990 | |
| 1991 | |
| 1992 (defun frame-highest-window (&optional frame position) | |
| 1993 "Return the highest window on FRAME which is at POSITION. | |
| 1994 If omitted, FRAME defaults to the currently selected frame. | |
| 1995 POSITION is used to distinguish between multiple windows that abut | |
| 1996 the top of the frame: 0 means the leftmost window abutting the | |
| 1997 top of the frame, 1 the next-leftmost, etc. POSITION can also | |
| 1998 be less than zero: -1 means the rightmost window abutting the | |
| 1999 top of the frame, -2 the next-rightmost, etc. | |
| 2000 If omitted, POSITION defaults to 0, i.e. the leftmost highest window. | |
| 2001 If there is no window at the given POSITION, return nil." | |
| 2002 (frame-utmost-window-1 frame position nil nil)) | |
| 2003 | |
| 2004 (defun frame-lowest-window (&optional frame position) | |
| 2005 "Return the lowest window on FRAME which is at POSITION. | |
| 2006 If omitted, FRAME defaults to the currently selected frame. | |
| 2007 POSITION is used to distinguish between multiple windows that abut | |
| 2008 the bottom of the frame: 0 means the leftmost window abutting the | |
| 2009 bottom of the frame, 1 the next-leftmost, etc. POSITION can also | |
| 2010 be less than zero: -1 means the rightmost window abutting the | |
| 2011 bottom of the frame, -2 the next-rightmost, etc. | |
| 2012 If omitted, POSITION defaults to 0, i.e. the leftmost lowest window. | |
| 2013 If there is no window at the given POSITION, return nil." | |
| 2014 (frame-utmost-window-1 frame position nil t)) | |
| 2015 | |
| 2016 (defun frame-leftmost-window (&optional frame position) | |
| 2017 "Return the leftmost window on FRAME which is at POSITION. | |
| 2018 If omitted, FRAME defaults to the currently selected frame. | |
| 2019 POSITION is used to distinguish between multiple windows that abut | |
| 2020 the left edge of the frame: 0 means the highest window abutting the | |
| 2021 left edge of the frame, 1 the next-highest, etc. POSITION can also | |
| 2022 be less than zero: -1 means the lowest window abutting the | |
| 2023 left edge of the frame, -2 the next-lowest, etc. | |
| 2024 If omitted, POSITION defaults to 0, i.e. the highest leftmost window. | |
| 2025 If there is no window at the given POSITION, return nil." | |
| 2026 (frame-utmost-window-1 frame position t nil)) | |
| 2027 | |
| 2028 (defun frame-rightmost-window (&optional frame position) | |
| 2029 "Return the rightmost window on FRAME which is at POSITION. | |
| 2030 If omitted, FRAME defaults to the currently selected frame. | |
| 2031 POSITION is used to distinguish between multiple windows that abut | |
| 2032 the right edge of the frame: 0 means the highest window abutting the | |
| 2033 right edge of the frame, 1 the next-highest, etc. POSITION can also | |
| 2034 be less than zero: -1 means the lowest window abutting the | |
| 2035 right edge of the frame, -2 the next-lowest, etc. | |
| 2036 If omitted, POSITION defaults to 0, i.e. the highest rightmost window. | |
| 2037 If there is no window at the given POSITION, return nil." | |
| 2038 (frame-utmost-window-1 frame position t t)) | |
| 2039 | |
| 2040 | |
| 2041 | |
| 2042 ;; frame properties. | |
| 2043 | |
| 2044 (put 'cursor-color 'frame-property-alias [text-cursor background]) | |
| 2045 (put 'modeline 'frame-property-alias 'has-modeline-p) | |
| 2046 | |
| 2047 | |
| 2048 (provide 'frame) | |
| 2049 | |
| 2050 ;;; frame.el ends here |