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63f77899 JB |
1 | ;; Parse switches controlling how Emacs interfaces with X window system. |
2 | ;; Copyright (C) 1990 Free Software Foundation, Inc. | |
3 | ||
4 | ;; This file is part of GNU Emacs. | |
5 | ||
6 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
7 | ;; but WITHOUT ANY WARRANTY. No author or distributor | |
8 | ;; accepts responsibility to anyone for the consequences of using it | |
9 | ;; or for whether it serves any particular purpose or works at all, | |
10 | ;; unless he says so in writing. Refer to the GNU Emacs General Public | |
11 | ;; License for full details. | |
12 | ||
13 | ;; Everyone is granted permission to copy, modify and redistribute | |
14 | ;; GNU Emacs, but only under the conditions described in the | |
15 | ;; GNU Emacs General Public License. A copy of this license is | |
16 | ;; supposed to have been given to you along with GNU Emacs so you | |
17 | ;; can know your rights and responsibilities. It should be in a | |
18 | ;; file named COPYING. Among other things, the copyright notice | |
19 | ;; and this notice must be preserved on all copies. | |
20 | ||
21 | ||
22 | ;; X-win.el: this file is loaded from ../lisp/startup.el when it recognizes | |
23 | ;; that X windows are to be used. Command line switches are parsed and those | |
24 | ;; pertaining to X are processed and removed from the command line. The | |
25 | ;; X display is opened and hooks are set for popping up the initial window. | |
26 | ||
27 | ;; startup.el will then examine startup files, and eventually call the hooks | |
28 | ;; which create the first window (s). | |
29 | \f | |
30 | ;; These are the standard X switches from the Xt Initialize.c file of | |
31 | ;; Release 4. | |
32 | ||
33 | ;; Command line Resource Manager string | |
34 | ||
35 | ;; +rv *reverseVideo | |
36 | ;; +synchronous *synchronous | |
37 | ;; -background *background | |
38 | ;; -bd *borderColor | |
39 | ;; -bg *background | |
40 | ;; -bordercolor *borderColor | |
41 | ;; -borderwidth .borderWidth | |
42 | ;; -bw .borderWidth | |
43 | ;; -display .display | |
44 | ;; -fg *foreground | |
45 | ;; -fn *font | |
46 | ;; -font *font | |
47 | ;; -foreground *foreground | |
48 | ;; -geometry .geometry | |
49 | ;; -iconic .iconic | |
50 | ;; -name .name | |
51 | ;; -reverse *reverseVideo | |
52 | ;; -rv *reverseVideo | |
53 | ;; -selectionTimeout .selectionTimeout | |
54 | ;; -synchronous *synchronous | |
55 | ;; -title .title | |
56 | ;; -xrm | |
57 | ||
63f77899 JB |
58 | ;; An alist of X options and the function which handles them. See |
59 | ;; ../startup.el. | |
60 | ||
63c86e17 JB |
61 | (if (not (eq window-system 'x)) |
62 | (error "Loading x-win.el but not compiled for X")) | |
63 | ||
63c86e17 | 64 | (require 'screen) |
3eb43f71 | 65 | (require 'mouse) |
63c86e17 | 66 | |
63f77899 | 67 | (setq command-switch-alist |
708c60f8 | 68 | (append '(("-bw" . x-handle-numeric-switch) |
63c86e17 JB |
69 | ("-d" . x-handle-display) |
70 | ("-display" . x-handle-display) | |
71 | ("-name" . x-handle-switch) | |
72 | ("-T" . x-handle-switch) | |
73 | ("-r" . x-handle-switch) | |
74 | ("-rv" . x-handle-switch) | |
75 | ("-reverse" . x-handle-switch) | |
76 | ("-fn" . x-handle-switch) | |
77 | ("-font" . x-handle-switch) | |
78 | ("-ib" . x-handle-switch) | |
79 | ("-g" . x-handle-geometry) | |
80 | ("-geometry" . x-handle-geometry) | |
81 | ("-fg" . x-handle-switch) | |
82 | ("-foreground". x-handle-switch) | |
83 | ("-bg" . x-handle-switch) | |
84 | ("-background". x-handle-switch) | |
85 | ("-ms" . x-handle-switch) | |
86 | ("-ib" . x-handle-switch) | |
87 | ("-iconic" . x-handle-switch) | |
88 | ("-cr" . x-handle-switch) | |
89 | ("-vb" . x-handle-switch) | |
90 | ("-hb" . x-handle-switch) | |
91 | ("-bd" . x-handle-switch)) | |
63f77899 JB |
92 | command-switch-alist)) |
93 | ||
63f77899 JB |
94 | (defconst x-switch-definitions |
95 | '(("-name" name) | |
96 | ("-T" name) | |
97 | ("-r" lose) | |
98 | ("-rv" lose) | |
99 | ("-reverse" lose) | |
100 | ("-fn" font) | |
101 | ("-font" font) | |
102 | ("-ib" internal-border-width) | |
103 | ("-fg" foreground-color) | |
104 | ("-foreground" foreground-color) | |
105 | ("-bg" background-color) | |
106 | ("-background" background-color) | |
107 | ("-ms" mouse-color) | |
108 | ("-cr" cursor-color) | |
109 | ("-ib" icon-type t) | |
110 | ("-iconic" iconic-startup t) | |
111 | ("-vb" vertical-scroll-bar t) | |
112 | ("-hb" horizontal-scroll-bar t) | |
113 | ("-bd" border-color) | |
114 | ("-bw" border-width))) | |
115 | ||
116 | ;; Handler for switches of the form "-switch value" or "-switch". | |
117 | (defun x-handle-switch (switch) | |
118 | (let ((aelt (assoc switch x-switch-definitions))) | |
119 | (if aelt | |
120 | (if (nth 2 aelt) | |
4f0f077c | 121 | (setq default-screen-alist |
63f77899 | 122 | (cons (cons (nth 1 aelt) (nth 2 aelt)) |
4f0f077c JB |
123 | default-screen-alist)) |
124 | (setq default-screen-alist | |
63f77899 JB |
125 | (cons (cons (nth 1 aelt) |
126 | (car x-invocation-args)) | |
4f0f077c | 127 | default-screen-alist) |
63f77899 JB |
128 | x-invocation-args (cdr x-invocation-args)))))) |
129 | ||
130 | ;; Handler for switches of the form "-switch n" | |
131 | (defun x-handle-numeric-switch (switch) | |
132 | (let ((aelt (assoc switch x-switch-definitions))) | |
133 | (if aelt | |
4f0f077c | 134 | (setq default-screen-alist |
63f77899 JB |
135 | (cons (cons (nth 1 aelt) |
136 | (string-to-int (car x-invocation-args))) | |
4f0f077c | 137 | default-screen-alist) |
63f77899 JB |
138 | x-invocation-args |
139 | (cdr x-invocation-args))))) | |
140 | ||
141 | ;; Handle the geometry option | |
142 | (defun x-handle-geometry (switch) | |
b54621ea | 143 | (setq initial-screen-alist (append initial-screen-alist |
63f77899 JB |
144 | (x-geometry (car x-invocation-args))) |
145 | x-invocation-args (cdr x-invocation-args))) | |
146 | ||
63f77899 JB |
147 | (defvar x-display-name nil |
148 | "The X display name specifying server and X screen.") | |
149 | ||
150 | (defun x-handle-display (switch) | |
151 | (setq x-display-name (car x-invocation-args) | |
152 | x-invocation-args (cdr x-invocation-args))) | |
153 | ||
63f77899 JB |
154 | (defvar x-invocation-args nil) |
155 | ||
8769d648 JB |
156 | (defun x-handle-args (args) |
157 | "Here the X-related command line options in ARGS are processed, | |
158 | before the user's startup file is loaded. They are copied to | |
159 | x-invocation args from which the X-related things are extracted, first | |
160 | the switch (e.g., \"-fg\") in the following code, and possible values | |
161 | (e.g., \"black\") in the option handler code (e.g., x-handle-switch). | |
162 | This returns ARGS with the arguments that have been processed removed." | |
63c86e17 JB |
163 | (setq x-invocation-args args |
164 | args nil) | |
165 | (while x-invocation-args | |
166 | (let* ((this-switch (car x-invocation-args)) | |
167 | (aelt (assoc this-switch command-switch-alist))) | |
168 | (setq x-invocation-args (cdr x-invocation-args)) | |
169 | (if aelt | |
170 | (funcall (cdr aelt) this-switch) | |
171 | (setq args (cons this-switch args))))) | |
172 | (setq args (nreverse args))) | |
173 | ||
b54621ea | 174 | |
63f77899 JB |
175 | \f |
176 | ;; | |
177 | ;; Standard X cursor shapes, courtesy of Mr. Fox, who wanted ALL of them. | |
178 | ;; | |
179 | ||
180 | (defconst x-pointer-X-cursor 0) | |
181 | (defconst x-pointer-arrow 2) | |
182 | (defconst x-pointer-based-arrow-down 4) | |
183 | (defconst x-pointer-based-arrow-up 6) | |
184 | (defconst x-pointer-boat 8) | |
185 | (defconst x-pointer-bogosity 10) | |
186 | (defconst x-pointer-bottom-left-corner 12) | |
187 | (defconst x-pointer-bottom-right-corner 14) | |
188 | (defconst x-pointer-bottom-side 16) | |
189 | (defconst x-pointer-bottom-tee 18) | |
190 | (defconst x-pointer-box-spiral 20) | |
191 | (defconst x-pointer-center-ptr 22) | |
192 | (defconst x-pointer-circle 24) | |
193 | (defconst x-pointer-clock 26) | |
194 | (defconst x-pointer-coffee-mug 28) | |
195 | (defconst x-pointer-cross 30) | |
196 | (defconst x-pointer-cross-reverse 32) | |
197 | (defconst x-pointer-crosshair 34) | |
198 | (defconst x-pointer-diamond-cross 36) | |
199 | (defconst x-pointer-dot 38) | |
200 | (defconst x-pointer-dotbox 40) | |
201 | (defconst x-pointer-double-arrow 42) | |
202 | (defconst x-pointer-draft-large 44) | |
203 | (defconst x-pointer-draft-small 46) | |
204 | (defconst x-pointer-draped-box 48) | |
205 | (defconst x-pointer-exchange 50) | |
206 | (defconst x-pointer-fleur 52) | |
207 | (defconst x-pointer-gobbler 54) | |
208 | (defconst x-pointer-gumby 56) | |
209 | (defconst x-pointer-hand1 58) | |
210 | (defconst x-pointer-hand2 60) | |
211 | (defconst x-pointer-heart 62) | |
212 | (defconst x-pointer-icon 64) | |
213 | (defconst x-pointer-iron-cross 66) | |
214 | (defconst x-pointer-left-ptr 68) | |
215 | (defconst x-pointer-left-side 70) | |
216 | (defconst x-pointer-left-tee 72) | |
217 | (defconst x-pointer-leftbutton 74) | |
218 | (defconst x-pointer-ll-angle 76) | |
219 | (defconst x-pointer-lr-angle 78) | |
220 | (defconst x-pointer-man 80) | |
221 | (defconst x-pointer-middlebutton 82) | |
222 | (defconst x-pointer-mouse 84) | |
223 | (defconst x-pointer-pencil 86) | |
224 | (defconst x-pointer-pirate 88) | |
225 | (defconst x-pointer-plus 90) | |
226 | (defconst x-pointer-question-arrow 92) | |
227 | (defconst x-pointer-right-ptr 94) | |
228 | (defconst x-pointer-right-side 96) | |
229 | (defconst x-pointer-right-tee 98) | |
230 | (defconst x-pointer-rightbutton 100) | |
231 | (defconst x-pointer-rtl-logo 102) | |
232 | (defconst x-pointer-sailboat 104) | |
233 | (defconst x-pointer-sb-down-arrow 106) | |
234 | (defconst x-pointer-sb-h-double-arrow 108) | |
235 | (defconst x-pointer-sb-left-arrow 110) | |
236 | (defconst x-pointer-sb-right-arrow 112) | |
237 | (defconst x-pointer-sb-up-arrow 114) | |
238 | (defconst x-pointer-sb-v-double-arrow 116) | |
239 | (defconst x-pointer-shuttle 118) | |
240 | (defconst x-pointer-sizing 120) | |
241 | (defconst x-pointer-spider 122) | |
242 | (defconst x-pointer-spraycan 124) | |
243 | (defconst x-pointer-star 126) | |
244 | (defconst x-pointer-target 128) | |
245 | (defconst x-pointer-tcross 130) | |
246 | (defconst x-pointer-top-left-arrow 132) | |
247 | (defconst x-pointer-top-left-corner 134) | |
248 | (defconst x-pointer-top-right-corner 136) | |
249 | (defconst x-pointer-top-side 138) | |
250 | (defconst x-pointer-top-tee 140) | |
251 | (defconst x-pointer-trek 142) | |
252 | (defconst x-pointer-ul-angle 144) | |
253 | (defconst x-pointer-umbrella 146) | |
254 | (defconst x-pointer-ur-angle 148) | |
255 | (defconst x-pointer-watch 150) | |
256 | (defconst x-pointer-xterm 152) | |
257 | \f | |
258 | ;; | |
259 | ;; Available colors | |
260 | ;; | |
261 | ||
262 | (defvar x-colors '("aquamarine" | |
263 | "Aquamarine" | |
264 | "medium aquamarine" | |
265 | "MediumAquamarine" | |
266 | "black" | |
267 | "Black" | |
268 | "blue" | |
269 | "Blue" | |
270 | "cadet blue" | |
271 | "CadetBlue" | |
272 | "cornflower blue" | |
273 | "CornflowerBlue" | |
274 | "dark slate blue" | |
275 | "DarkSlateBlue" | |
276 | "light blue" | |
277 | "LightBlue" | |
278 | "light steel blue" | |
279 | "LightSteelBlue" | |
280 | "medium blue" | |
281 | "MediumBlue" | |
282 | "medium slate blue" | |
283 | "MediumSlateBlue" | |
284 | "midnight blue" | |
285 | "MidnightBlue" | |
286 | "navy blue" | |
287 | "NavyBlue" | |
288 | "navy" | |
289 | "Navy" | |
290 | "sky blue" | |
291 | "SkyBlue" | |
292 | "slate blue" | |
293 | "SlateBlue" | |
294 | "steel blue" | |
295 | "SteelBlue" | |
296 | "coral" | |
297 | "Coral" | |
298 | "cyan" | |
299 | "Cyan" | |
300 | "firebrick" | |
301 | "Firebrick" | |
302 | "brown" | |
303 | "Brown" | |
304 | "gold" | |
305 | "Gold" | |
306 | "goldenrod" | |
307 | "Goldenrod" | |
308 | "medium goldenrod" | |
309 | "MediumGoldenrod" | |
310 | "green" | |
311 | "Green" | |
312 | "dark green" | |
313 | "DarkGreen" | |
314 | "dark olive green" | |
315 | "DarkOliveGreen" | |
316 | "forest green" | |
317 | "ForestGreen" | |
318 | "lime green" | |
319 | "LimeGreen" | |
320 | "medium forest green" | |
321 | "MediumForestGreen" | |
322 | "medium sea green" | |
323 | "MediumSeaGreen" | |
324 | "medium spring green" | |
325 | "MediumSpringGreen" | |
326 | "pale green" | |
327 | "PaleGreen" | |
328 | "sea green" | |
329 | "SeaGreen" | |
330 | "spring green" | |
331 | "SpringGreen" | |
332 | "yellow green" | |
333 | "YellowGreen" | |
334 | "dark slate grey" | |
335 | "DarkSlateGrey" | |
336 | "dark slate gray" | |
337 | "DarkSlateGray" | |
338 | "dim grey" | |
339 | "DimGrey" | |
340 | "dim gray" | |
341 | "DimGray" | |
342 | "light grey" | |
343 | "LightGrey" | |
344 | "light gray" | |
345 | "LightGray" | |
346 | "gray" | |
347 | "grey" | |
348 | "Gray" | |
349 | "Grey" | |
350 | "khaki" | |
351 | "Khaki" | |
352 | "magenta" | |
353 | "Magenta" | |
354 | "maroon" | |
355 | "Maroon" | |
356 | "orange" | |
357 | "Orange" | |
358 | "orchid" | |
359 | "Orchid" | |
360 | "dark orchid" | |
361 | "DarkOrchid" | |
362 | "medium orchid" | |
363 | "MediumOrchid" | |
364 | "pink" | |
365 | "Pink" | |
366 | "plum" | |
367 | "Plum" | |
368 | "red" | |
369 | "Red" | |
370 | "indian red" | |
371 | "IndianRed" | |
372 | "medium violet red" | |
373 | "MediumVioletRed" | |
374 | "orange red" | |
375 | "OrangeRed" | |
376 | "violet red" | |
377 | "VioletRed" | |
378 | "salmon" | |
379 | "Salmon" | |
380 | "sienna" | |
381 | "Sienna" | |
382 | "tan" | |
383 | "Tan" | |
384 | "thistle" | |
385 | "Thistle" | |
386 | "turquoise" | |
387 | "Turquoise" | |
388 | "dark turquoise" | |
389 | "DarkTurquoise" | |
390 | "medium turquoise" | |
391 | "MediumTurquoise" | |
392 | "violet" | |
393 | "Violet" | |
394 | "blue violet" | |
395 | "BlueViolet" | |
396 | "wheat" | |
397 | "Wheat" | |
398 | "white" | |
399 | "White" | |
400 | "yellow" | |
401 | "Yellow" | |
402 | "green yellow" | |
403 | "GreenYellow") | |
404 | "The full list of X colors from the rgb.text file.") | |
405 | ||
406 | (defun x-defined-colors () | |
407 | "Return a list of colors supported by the current X-Display." | |
408 | (let ((all-colors x-colors) | |
409 | (this-color nil) | |
410 | (defined-colors nil)) | |
411 | (while all-colors | |
412 | (setq this-color (car all-colors) | |
413 | all-colors (cdr all-colors)) | |
414 | (and (x-defined-color this-color) | |
415 | (setq defined-colors (cons this-color defined-colors)))) | |
416 | defined-colors)) | |
63f77899 | 417 | \f |
98bf0c8d JB |
418 | ;;;; Function keys |
419 | ||
420 | ;;; Give some common function keys reasonable definitions. | |
421 | (define-key global-map [home] 'beginning-of-line) | |
422 | (define-key global-map [left] 'backward-char) | |
423 | (define-key global-map [up] 'previous-line) | |
424 | (define-key global-map [right] 'forward-char) | |
425 | (define-key global-map [down] 'next-line) | |
426 | (define-key global-map [prior] 'scroll-down) | |
427 | (define-key global-map [next] 'scroll-up) | |
428 | (define-key global-map [begin] 'beginning-of-buffer) | |
429 | (define-key global-map [end] 'end-of-buffer) | |
63c86e17 | 430 | |
080a57ce | 431 | (define-key global-map "\C-z" 'iconify) |
98bf0c8d | 432 | \f |
b54621ea JB |
433 | ;;; Do the actual X Windows setup here; the above code just defines |
434 | ;;; functions and variables that we use now. | |
63c86e17 | 435 | |
708c60f8 | 436 | (setq command-line-args (x-handle-args command-line-args)) |
63c86e17 JB |
437 | (x-open-connection (or x-display-name |
438 | (setq x-display-name (getenv "DISPLAY")))) | |
e9de784c | 439 | |
492878e4 JB |
440 | ;;; xterm.c depends on using interrupt-driven input, but we don't want |
441 | ;;; the fcntls to apply to the terminal, so we do this after opening | |
442 | ;;; the display. | |
e9de784c JB |
443 | (set-input-mode t nil t) |
444 | ||
67dbf5b0 | 445 | (setq screen-creation-function 'x-create-screen) |
63c86e17 JB |
446 | (setq suspend-hook |
447 | '(lambda () | |
448 | (error "Suspending an emacs running under X makes no sense"))) | |
67c86cfc | 449 | |
daa37602 JB |
450 | ;;; We keep track of the last text selected here, so we can check the |
451 | ;;; current selection against it, and avoid passing back our own text | |
452 | ;;; from x-cut-buffer-or-selection-value. | |
453 | (defvar x-last-selected-text nil) | |
454 | ||
492878e4 JB |
455 | ;;; Make TEXT, a string, the primary and clipboard X selections. |
456 | ;;; If you are running xclipboard, this means you can effectively | |
457 | ;;; have a window on a copy of the kill-ring. | |
458 | ;;; Also, set the value of X cut buffer 0, for backward compatibility | |
459 | ;;; with older X application. | |
67c86cfc | 460 | (defun x-select-text (text) |
492878e4 JB |
461 | (x-own-selection text 'cut-buffer0) |
462 | (x-own-selection text 'clipboard) | |
daa37602 JB |
463 | (x-own-selection text) |
464 | (setq x-last-selected-text text)) | |
492878e4 JB |
465 | |
466 | ;;; Return the value of the current X selection. For compatibility | |
467 | ;;; with older X applications, this checks cut buffer 0 before | |
468 | ;;; retrieving the value of the primary selection. | |
469 | (defun x-cut-buffer-or-selection-value () | |
daa37602 JB |
470 | (let ((text (or (x-selection-value 'cut-buffer0) |
471 | (x-selection-value)))) | |
472 | (if (string= text x-last-selected-text) | |
473 | nil | |
474 | (setq x-last-selected-text nil) | |
475 | text))) | |
492878e4 JB |
476 | |
477 | ;;; Arrange for the kill and yank functions to set and check the clipboard. | |
478 | (setq interprogram-cut-function 'x-select-text) | |
479 | (setq interprogram-paste-function 'x-cut-buffer-or-selection-value) | |
63c86e17 | 480 | |
0cc6db57 JB |
481 | ;;; Turn off window-splitting optimization; X is usually fast enough |
482 | ;;; that this is only annoying. | |
483 | (setq split-window-keep-point t) |