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[bpt/emacs.git] / lisp / term / x-win.el
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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
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58;; An alist of X options and the function which handles them. See
59;; ../startup.el.
60
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61(if (not (eq window-system 'x))
62 (error "Loading x-win.el but not compiled for X"))
63
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64;; This is a temporary work-around while we the separate keymap
65;; stuff isn't yet fixed. These variables aren't used anymore,
66;; but the lisp code wants them to exist. -JimB
67(setq global-mouse-map (make-sparse-keymap))
68(setq global-function-map (make-sparse-keymap))
69
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70(require 'x-mouse)
71(require 'screen)
72
63f77899 73(setq command-switch-alist
708c60f8 74 (append '(("-bw" . x-handle-numeric-switch)
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75 ("-d" . x-handle-display)
76 ("-display" . x-handle-display)
77 ("-name" . x-handle-switch)
78 ("-T" . x-handle-switch)
79 ("-r" . x-handle-switch)
80 ("-rv" . x-handle-switch)
81 ("-reverse" . x-handle-switch)
82 ("-fn" . x-handle-switch)
83 ("-font" . x-handle-switch)
84 ("-ib" . x-handle-switch)
85 ("-g" . x-handle-geometry)
86 ("-geometry" . x-handle-geometry)
87 ("-fg" . x-handle-switch)
88 ("-foreground". x-handle-switch)
89 ("-bg" . x-handle-switch)
90 ("-background". x-handle-switch)
91 ("-ms" . x-handle-switch)
92 ("-ib" . x-handle-switch)
93 ("-iconic" . x-handle-switch)
94 ("-cr" . x-handle-switch)
95 ("-vb" . x-handle-switch)
96 ("-hb" . x-handle-switch)
97 ("-bd" . x-handle-switch))
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98 command-switch-alist))
99
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100(defconst x-switch-definitions
101 '(("-name" name)
102 ("-T" name)
103 ("-r" lose)
104 ("-rv" lose)
105 ("-reverse" lose)
106 ("-fn" font)
107 ("-font" font)
108 ("-ib" internal-border-width)
109 ("-fg" foreground-color)
110 ("-foreground" foreground-color)
111 ("-bg" background-color)
112 ("-background" background-color)
113 ("-ms" mouse-color)
114 ("-cr" cursor-color)
115 ("-ib" icon-type t)
116 ("-iconic" iconic-startup t)
117 ("-vb" vertical-scroll-bar t)
118 ("-hb" horizontal-scroll-bar t)
119 ("-bd" border-color)
120 ("-bw" border-width)))
121
122;; Handler for switches of the form "-switch value" or "-switch".
123(defun x-handle-switch (switch)
124 (let ((aelt (assoc switch x-switch-definitions)))
125 (if aelt
126 (if (nth 2 aelt)
4f0f077c 127 (setq default-screen-alist
63f77899 128 (cons (cons (nth 1 aelt) (nth 2 aelt))
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129 default-screen-alist))
130 (setq default-screen-alist
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131 (cons (cons (nth 1 aelt)
132 (car x-invocation-args))
4f0f077c 133 default-screen-alist)
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134 x-invocation-args (cdr x-invocation-args))))))
135
136;; Handler for switches of the form "-switch n"
137(defun x-handle-numeric-switch (switch)
138 (let ((aelt (assoc switch x-switch-definitions)))
139 (if aelt
4f0f077c 140 (setq default-screen-alist
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141 (cons (cons (nth 1 aelt)
142 (string-to-int (car x-invocation-args)))
4f0f077c 143 default-screen-alist)
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144 x-invocation-args
145 (cdr x-invocation-args)))))
146
147;; Handle the geometry option
148(defun x-handle-geometry (switch)
b54621ea 149 (setq initial-screen-alist (append initial-screen-alist
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150 (x-geometry (car x-invocation-args)))
151 x-invocation-args (cdr x-invocation-args)))
152
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153(defvar x-display-name nil
154 "The X display name specifying server and X screen.")
155
156(defun x-handle-display (switch)
157 (setq x-display-name (car x-invocation-args)
158 x-invocation-args (cdr x-invocation-args)))
159
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160(defvar x-invocation-args nil)
161
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162(defun x-handle-args (args)
163 "Here the X-related command line options in ARGS are processed,
164before the user's startup file is loaded. They are copied to
165x-invocation args from which the X-related things are extracted, first
166the switch (e.g., \"-fg\") in the following code, and possible values
167(e.g., \"black\") in the option handler code (e.g., x-handle-switch).
168This returns ARGS with the arguments that have been processed removed."
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169 (setq x-invocation-args args
170 args nil)
171 (while x-invocation-args
172 (let* ((this-switch (car x-invocation-args))
173 (aelt (assoc this-switch command-switch-alist)))
174 (setq x-invocation-args (cdr x-invocation-args))
175 (if aelt
176 (funcall (cdr aelt) this-switch)
177 (setq args (cons this-switch args)))))
178 (setq args (nreverse args)))
179
b54621ea 180
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181\f
182;;
183;; Standard X cursor shapes, courtesy of Mr. Fox, who wanted ALL of them.
184;;
185
186(defconst x-pointer-X-cursor 0)
187(defconst x-pointer-arrow 2)
188(defconst x-pointer-based-arrow-down 4)
189(defconst x-pointer-based-arrow-up 6)
190(defconst x-pointer-boat 8)
191(defconst x-pointer-bogosity 10)
192(defconst x-pointer-bottom-left-corner 12)
193(defconst x-pointer-bottom-right-corner 14)
194(defconst x-pointer-bottom-side 16)
195(defconst x-pointer-bottom-tee 18)
196(defconst x-pointer-box-spiral 20)
197(defconst x-pointer-center-ptr 22)
198(defconst x-pointer-circle 24)
199(defconst x-pointer-clock 26)
200(defconst x-pointer-coffee-mug 28)
201(defconst x-pointer-cross 30)
202(defconst x-pointer-cross-reverse 32)
203(defconst x-pointer-crosshair 34)
204(defconst x-pointer-diamond-cross 36)
205(defconst x-pointer-dot 38)
206(defconst x-pointer-dotbox 40)
207(defconst x-pointer-double-arrow 42)
208(defconst x-pointer-draft-large 44)
209(defconst x-pointer-draft-small 46)
210(defconst x-pointer-draped-box 48)
211(defconst x-pointer-exchange 50)
212(defconst x-pointer-fleur 52)
213(defconst x-pointer-gobbler 54)
214(defconst x-pointer-gumby 56)
215(defconst x-pointer-hand1 58)
216(defconst x-pointer-hand2 60)
217(defconst x-pointer-heart 62)
218(defconst x-pointer-icon 64)
219(defconst x-pointer-iron-cross 66)
220(defconst x-pointer-left-ptr 68)
221(defconst x-pointer-left-side 70)
222(defconst x-pointer-left-tee 72)
223(defconst x-pointer-leftbutton 74)
224(defconst x-pointer-ll-angle 76)
225(defconst x-pointer-lr-angle 78)
226(defconst x-pointer-man 80)
227(defconst x-pointer-middlebutton 82)
228(defconst x-pointer-mouse 84)
229(defconst x-pointer-pencil 86)
230(defconst x-pointer-pirate 88)
231(defconst x-pointer-plus 90)
232(defconst x-pointer-question-arrow 92)
233(defconst x-pointer-right-ptr 94)
234(defconst x-pointer-right-side 96)
235(defconst x-pointer-right-tee 98)
236(defconst x-pointer-rightbutton 100)
237(defconst x-pointer-rtl-logo 102)
238(defconst x-pointer-sailboat 104)
239(defconst x-pointer-sb-down-arrow 106)
240(defconst x-pointer-sb-h-double-arrow 108)
241(defconst x-pointer-sb-left-arrow 110)
242(defconst x-pointer-sb-right-arrow 112)
243(defconst x-pointer-sb-up-arrow 114)
244(defconst x-pointer-sb-v-double-arrow 116)
245(defconst x-pointer-shuttle 118)
246(defconst x-pointer-sizing 120)
247(defconst x-pointer-spider 122)
248(defconst x-pointer-spraycan 124)
249(defconst x-pointer-star 126)
250(defconst x-pointer-target 128)
251(defconst x-pointer-tcross 130)
252(defconst x-pointer-top-left-arrow 132)
253(defconst x-pointer-top-left-corner 134)
254(defconst x-pointer-top-right-corner 136)
255(defconst x-pointer-top-side 138)
256(defconst x-pointer-top-tee 140)
257(defconst x-pointer-trek 142)
258(defconst x-pointer-ul-angle 144)
259(defconst x-pointer-umbrella 146)
260(defconst x-pointer-ur-angle 148)
261(defconst x-pointer-watch 150)
262(defconst x-pointer-xterm 152)
263\f
264;;
265;; Available colors
266;;
267
268(defvar x-colors '("aquamarine"
269 "Aquamarine"
270 "medium aquamarine"
271 "MediumAquamarine"
272 "black"
273 "Black"
274 "blue"
275 "Blue"
276 "cadet blue"
277 "CadetBlue"
278 "cornflower blue"
279 "CornflowerBlue"
280 "dark slate blue"
281 "DarkSlateBlue"
282 "light blue"
283 "LightBlue"
284 "light steel blue"
285 "LightSteelBlue"
286 "medium blue"
287 "MediumBlue"
288 "medium slate blue"
289 "MediumSlateBlue"
290 "midnight blue"
291 "MidnightBlue"
292 "navy blue"
293 "NavyBlue"
294 "navy"
295 "Navy"
296 "sky blue"
297 "SkyBlue"
298 "slate blue"
299 "SlateBlue"
300 "steel blue"
301 "SteelBlue"
302 "coral"
303 "Coral"
304 "cyan"
305 "Cyan"
306 "firebrick"
307 "Firebrick"
308 "brown"
309 "Brown"
310 "gold"
311 "Gold"
312 "goldenrod"
313 "Goldenrod"
314 "medium goldenrod"
315 "MediumGoldenrod"
316 "green"
317 "Green"
318 "dark green"
319 "DarkGreen"
320 "dark olive green"
321 "DarkOliveGreen"
322 "forest green"
323 "ForestGreen"
324 "lime green"
325 "LimeGreen"
326 "medium forest green"
327 "MediumForestGreen"
328 "medium sea green"
329 "MediumSeaGreen"
330 "medium spring green"
331 "MediumSpringGreen"
332 "pale green"
333 "PaleGreen"
334 "sea green"
335 "SeaGreen"
336 "spring green"
337 "SpringGreen"
338 "yellow green"
339 "YellowGreen"
340 "dark slate grey"
341 "DarkSlateGrey"
342 "dark slate gray"
343 "DarkSlateGray"
344 "dim grey"
345 "DimGrey"
346 "dim gray"
347 "DimGray"
348 "light grey"
349 "LightGrey"
350 "light gray"
351 "LightGray"
352 "gray"
353 "grey"
354 "Gray"
355 "Grey"
356 "khaki"
357 "Khaki"
358 "magenta"
359 "Magenta"
360 "maroon"
361 "Maroon"
362 "orange"
363 "Orange"
364 "orchid"
365 "Orchid"
366 "dark orchid"
367 "DarkOrchid"
368 "medium orchid"
369 "MediumOrchid"
370 "pink"
371 "Pink"
372 "plum"
373 "Plum"
374 "red"
375 "Red"
376 "indian red"
377 "IndianRed"
378 "medium violet red"
379 "MediumVioletRed"
380 "orange red"
381 "OrangeRed"
382 "violet red"
383 "VioletRed"
384 "salmon"
385 "Salmon"
386 "sienna"
387 "Sienna"
388 "tan"
389 "Tan"
390 "thistle"
391 "Thistle"
392 "turquoise"
393 "Turquoise"
394 "dark turquoise"
395 "DarkTurquoise"
396 "medium turquoise"
397 "MediumTurquoise"
398 "violet"
399 "Violet"
400 "blue violet"
401 "BlueViolet"
402 "wheat"
403 "Wheat"
404 "white"
405 "White"
406 "yellow"
407 "Yellow"
408 "green yellow"
409 "GreenYellow")
410 "The full list of X colors from the rgb.text file.")
411
412(defun x-defined-colors ()
413 "Return a list of colors supported by the current X-Display."
414 (let ((all-colors x-colors)
415 (this-color nil)
416 (defined-colors nil))
417 (while all-colors
418 (setq this-color (car all-colors)
419 all-colors (cdr all-colors))
420 (and (x-defined-color this-color)
421 (setq defined-colors (cons this-color defined-colors))))
422 defined-colors))
63f77899 423\f
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424;;;; Function keys
425
426;;; Give some common function keys reasonable definitions.
427(define-key global-map [home] 'beginning-of-line)
428(define-key global-map [left] 'backward-char)
429(define-key global-map [up] 'previous-line)
430(define-key global-map [right] 'forward-char)
431(define-key global-map [down] 'next-line)
432(define-key global-map [prior] 'scroll-down)
433(define-key global-map [next] 'scroll-up)
434(define-key global-map [begin] 'beginning-of-buffer)
435(define-key global-map [end] 'end-of-buffer)
63c86e17 436
98bf0c8d 437\f
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438;;; Do the actual X Windows setup here; the above code just defines
439;;; functions and variables that we use now.
63c86e17 440
708c60f8 441(setq command-line-args (x-handle-args command-line-args))
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442(x-open-connection (or x-display-name
443 (setq x-display-name (getenv "DISPLAY"))))
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444
445;; xterm.c depends on using interrupt-driven input, but we don't want
446;; the fcntls to apply to the terminal, so we do this after opening
447;; the display.
448(set-input-mode t nil t)
449
67dbf5b0 450(setq screen-creation-function 'x-create-screen)
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451(setq suspend-hook
452 '(lambda ()
453 (error "Suspending an emacs running under X makes no sense")))
454
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455;;; Turn off window-splitting optimization; X is usually fast enough
456;;; that this is only annoying.
457(setq split-window-keep-point t)