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55535639 | 1 | ;;; pc-win.el --- setup support for `PC windows' (whatever that is) |
ef88bd2d | 2 | |
ba318903 PE |
3 | ;; Copyright (C) 1994, 1996-1997, 1999, 2001-2014 Free Software |
4 | ;; Foundation, Inc. | |
ef88bd2d MW |
5 | |
6 | ;; Author: Morten Welinder <terra@diku.dk> | |
34dc21db | 7 | ;; Maintainer: emacs-devel@gnu.org |
ef88bd2d MW |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
1fecc8fe | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
ef88bd2d | 12 | ;; it under the terms of the GNU General Public License as published by |
1fecc8fe GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
ef88bd2d MW |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
1fecc8fe | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
2fe590dc | 23 | |
55535639 PJ |
24 | ;;; Commentary: |
25 | ||
cbcc5ad4 EZ |
26 | ;; This file is preloaded into Emacs by loadup.el. The functions in |
27 | ;; this file are then called during startup from startup.el. This | |
28 | ;; means that just loading this file should not have any side effects | |
29 | ;; besides defining functions and variables, and in particular should | |
30 | ;; NOT initialize any window systems. | |
31 | ||
32 | ;; The main entry points to this file's features are msdos-handle-args, | |
33 | ;; msdos-create-frame-with-faces, msdos-initialize-window-system, | |
34 | ;; terminal-init-internal. The last one is not supposed to be called, | |
35 | ;; so it just errors out. | |
36 | ||
2fe590dc EN |
37 | ;;; Code: |
38 | ||
cbcc5ad4 EZ |
39 | (if (not (fboundp 'msdos-remember-default-colors)) |
40 | (error "%s: Loading pc-win.el but not compiled for MS-DOS" | |
41 | (invocation-name))) | |
42 | ||
73e6adaa DN |
43 | (declare-function msdos-remember-default-colors "msdos.c") |
44 | (declare-function w16-set-clipboard-data "w16select.c") | |
45 | (declare-function w16-get-clipboard-data "w16select.c") | |
92f9269e | 46 | (declare-function msdos-setup-keyboard "internal" (frame)) |
73e6adaa | 47 | |
cbcc5ad4 | 48 | ;;; This was copied from etc/rgb.txt, except that some values were changed |
f795f633 EZ |
49 | ;;; a bit to make them consistent with DOS console colors, and the RGB |
50 | ;;; values were scaled up to 16 bits, as `tty-define-color' requires. | |
51 | ;;; | |
52 | ;;; The mapping between the 16 standard EGA/VGA colors and X color names | |
53 | ;;; was done by running a Unix version of Emacs inside an X client and a | |
54 | ;;; DJGPP-compiled Emacs on the same PC. The names of X colors used to | |
55 | ;;; define the pixel values are shown as comments to each color below. | |
c4d64969 EZ |
56 | ;;; |
57 | ;;; If you want to change the RGB values, keep in mind that various pieces | |
58 | ;;; of Emacs think that a color whose RGB values add up to less than 0.6 of | |
f795f633 | 59 | ;;; the values for WHITE (i.e. less than 117963) are ``dark'', otherwise the |
c4d64969 EZ |
60 | ;;; color is ``light''; see `frame-set-background-mode' in lisp/faces.el for |
61 | ;;; an example. | |
62 | (defvar msdos-color-values | |
1400df92 | 63 | '(("black" 0 0 0 0) |
f795f633 | 64 | ("blue" 1 0 0 52480) ; MediumBlue |
1400df92 EZ |
65 | ("green" 2 8704 35584 8704) ; ForestGreen |
66 | ("cyan" 3 0 52736 53504) ; DarkTurquoise | |
67 | ("red" 4 45568 8704 8704) ; FireBrick | |
68 | ("magenta" 5 35584 0 35584) ; DarkMagenta | |
69 | ("brown" 6 40960 20992 11520) ; Sienna | |
70 | ("lightgray" 7 48640 48640 48640) ; Gray | |
71 | ("darkgray" 8 26112 26112 26112) ; Gray40 | |
72 | ("lightblue" 9 0 0 65535) ; Blue | |
73 | ("lightgreen" 10 0 65535 0) ; Green | |
74 | ("lightcyan" 11 0 65535 65535) ; Cyan | |
75 | ("lightred" 12 65535 0 0) ; Red | |
76 | ("lightmagenta" 13 65535 0 65535) ; Magenta | |
77 | ("yellow" 14 65535 65535 0) ; Yellow | |
78 | ("white" 15 65535 65535 65535)) | |
f795f633 | 79 | "A list of MS-DOS console colors, their indices and 16-bit RGB values.") |
a13b5fad | 80 | |
ef88bd2d MW |
81 | ;; --------------------------------------------------------------------------- |
82 | ;; We want to delay setting frame parameters until the faces are setup | |
83 | (defvar default-frame-alist nil) | |
cbcc5ad4 | 84 | ;(modify-frame-parameters terminal-frame default-frame-alist) |
ef88bd2d MW |
85 | |
86 | (defun msdos-face-setup () | |
7ced34de EZ |
87 | "Initial setup of faces for the MS-DOS display." |
88 | (set-face-foreground 'bold "yellow") | |
89 | (set-face-foreground 'italic "red") | |
90 | (set-face-foreground 'bold-italic "lightred") | |
91 | (set-face-foreground 'underline "white") | |
ef88bd2d MW |
92 | |
93 | (make-face 'msdos-menu-active-face) | |
94 | (make-face 'msdos-menu-passive-face) | |
95 | (make-face 'msdos-menu-select-face) | |
7ced34de EZ |
96 | (set-face-foreground 'msdos-menu-active-face "white") |
97 | (set-face-foreground 'msdos-menu-passive-face "lightgray") | |
98 | (set-face-background 'msdos-menu-active-face "blue") | |
99 | (set-face-background 'msdos-menu-passive-face "blue") | |
100 | (set-face-background 'msdos-menu-select-face "red")) | |
ef88bd2d | 101 | |
f795f633 EZ |
102 | (defun msdos-handle-reverse-video (frame parameters) |
103 | "Handle the reverse-video frame parameter on MS-DOS frames." | |
c88c89a0 EZ |
104 | (when (cdr (or (assq 'reverse parameters) |
105 | (assq 'reverse default-frame-alist))) | |
f795f633 | 106 | (let* ((params (frame-parameters frame)) |
8fcacf13 EZ |
107 | (fg (cdr (assq 'foreground-color params))) |
108 | (bg (cdr (assq 'background-color params)))) | |
109 | (if (equal fg (cdr (assq 'mouse-color params))) | |
f795f633 | 110 | (modify-frame-parameters frame |
8fcacf13 EZ |
111 | (list (cons 'mouse-color bg)))) |
112 | (if (equal fg (cdr (assq 'cursor-color params))) | |
f795f633 | 113 | (modify-frame-parameters frame |
8fcacf13 | 114 | (list (cons 'cursor-color bg))))))) |
f795f633 EZ |
115 | |
116 | ;; This must run after all the default colors are inserted into | |
117 | ;; tty-color-alist, since msdos-handle-reverse-video needs to know the | |
cbcc5ad4 | 118 | ;; actual frame colors. |
f795f633 EZ |
119 | (defun msdos-setup-initial-frame () |
120 | (modify-frame-parameters terminal-frame default-frame-alist) | |
121 | ;; This remembers the screen colors after applying default-frame-alist, | |
122 | ;; so that all subsequent frames could begin with those colors. | |
123 | (msdos-remember-default-colors terminal-frame) | |
124 | (modify-frame-parameters terminal-frame initial-frame-alist) | |
125 | (msdos-handle-reverse-video terminal-frame | |
126 | (frame-parameters terminal-frame)) | |
127 | ||
128 | (frame-set-background-mode terminal-frame) | |
129 | (face-set-after-frame-default terminal-frame)) | |
130 | ||
cbcc5ad4 EZ |
131 | ;; We create frames as if we were a terminal, but without invoking the |
132 | ;; terminal-initialization function. Also, our handling of reverse | |
133 | ;; video is slightly different. | |
134 | (defun msdos-create-frame-with-faces (&optional parameters) | |
58179cce | 135 | "Create a frame on MS-DOS display. |
cbcc5ad4 EZ |
136 | Optional frame parameters PARAMETERS specify the frame parameters. |
137 | Parameters not specified by PARAMETERS are taken from | |
138 | `default-frame-alist'. If either PARAMETERS or `default-frame-alist' | |
139 | contains a `reverse' parameter, handle that. Value is the new frame | |
140 | created." | |
f795f633 EZ |
141 | (let ((frame (make-terminal-frame parameters)) |
142 | success) | |
68a89a25 | 143 | (unwind-protect |
cbcc5ad4 | 144 | (with-selected-frame frame |
f795f633 | 145 | (msdos-handle-reverse-video frame (frame-parameters frame)) |
cbcc5ad4 EZ |
146 | (unless (terminal-parameter frame 'terminal-initted) |
147 | (set-terminal-parameter frame 'terminal-initted t)) | |
68a89a25 EZ |
148 | (frame-set-background-mode frame) |
149 | (face-set-after-frame-default frame) | |
150 | (setq success t)) | |
151 | (unless success (delete-frame frame))) | |
e2f35ede | 152 | frame)) |
9000684d | 153 | |
ef88bd2d | 154 | ;; --------------------------------------------------------------------------- |
a7acbbe4 | 155 | ;; More or less useful imitations of certain X-functions. A lot of the |
ef88bd2d MW |
156 | ;; values returned are questionable, but usually only the form of the |
157 | ;; returned value matters. Also, by the way, recall that `ignore' is | |
158 | ;; a useful function for returning 'nil regardless of argument. | |
159 | ||
69481eb8 GM |
160 | ;; Note: Any re-definition in this file of a function that is defined |
161 | ;; in C on other platforms, should either have no doc-string, or one | |
162 | ;; that is identical to the C version, but with the arglist signature | |
163 | ;; at the end. Otherwise help-split-fundoc gets confused on other | |
164 | ;; platforms. (Bug#10783) | |
165 | ||
ef88bd2d | 166 | ;; From src/xfns.c |
9d3aa82c | 167 | (defun x-list-fonts (_pattern &optional _face _frame _maximum width) |
bf6b4923 EZ |
168 | "Return a list of the names of available fonts matching PATTERN. |
169 | If optional arguments FACE and FRAME are specified, return only fonts | |
170 | the same size as FACE on FRAME. | |
171 | ||
172 | PATTERN should be a string containing a font name in the XLFD, | |
173 | Fontconfig, or GTK format. A font name given in the XLFD format may | |
174 | contain wildcard characters: | |
175 | the * character matches any substring, and | |
176 | the ? character matches any single character. | |
177 | PATTERN is case-insensitive. | |
178 | ||
179 | The return value is a list of strings, suitable as arguments to | |
180 | \`set-face-font'. | |
181 | ||
182 | Fonts Emacs can't use may or may not be excluded | |
183 | even if they match PATTERN and FACE. | |
184 | The optional fourth argument MAXIMUM sets a limit on how many | |
185 | fonts to match. The first MAXIMUM fonts are reported. | |
186 | The optional fifth argument WIDTH, if specified, is a number of columns | |
187 | occupied by a character of a font. In that case, return only fonts | |
188 | the WIDTH times as wide as FACE on FRAME." | |
c0e2e77f EZ |
189 | (if (or (null width) (and (numberp width) (= width 1))) |
190 | (list "ms-dos") | |
cee30b8f | 191 | (list "no-such-font"))) |
a259d337 RS |
192 | (defun x-display-pixel-width (&optional frame) (frame-width frame)) |
193 | (defun x-display-pixel-height (&optional frame) (frame-height frame)) | |
9d3aa82c JB |
194 | (defun x-display-planes (&optional _frame) 4) ;bg switched to 16 colors as well |
195 | (defun x-display-color-cells (&optional _frame) 16) | |
196 | (defun x-server-max-request-size (&optional _frame) 1000000) ; ??? | |
197 | (defun x-server-vendor (&optional _frame) t "GNU") | |
198 | (defun x-server-version (&optional _frame) '(1 0 0)) | |
199 | (defun x-display-screens (&optional _frame) 1) | |
200 | (defun x-display-mm-height (&optional _frame) 245) ; Guess the size of my | |
201 | (defun x-display-mm-width (&optional _frame) 322) ; monitor, EZ... | |
202 | (defun x-display-backing-store (&optional _frame) 'not-useful) | |
203 | (defun x-display-visual-class (&optional _frame) 'static-color) | |
ef88bd2d MW |
204 | (fset 'x-display-save-under 'ignore) |
205 | (fset 'x-get-resource 'ignore) | |
a0c712ae | 206 | |
ef88bd2d | 207 | ;; From lisp/term/x-win.el |
f795f633 | 208 | (defvar x-display-name "pc" |
3077d1f6 EZ |
209 | "The name of the window display on which Emacs was started. |
210 | On X, the display name of individual X frames is recorded in the | |
211 | `display' frame parameter.") | |
c0e2e77f | 212 | (defvar x-colors (mapcar 'car msdos-color-values) |
3077d1f6 EZ |
213 | "List of basic colors available on color displays. |
214 | For X, the list comes from the `rgb.txt' file,v 10.41 94/02/20. | |
215 | For Nextstep, this is a list of non-PANTONE colors returned by | |
216 | the operating system.") | |
c4d64969 | 217 | |
8254b6b4 | 218 | ;; From lisp/term/w32-win.el |
c432c362 | 219 | ; |
45240125 | 220 | ;;;; Selections |
bb3a4574 | 221 | ; |
c432c362 EZ |
222 | ;;; We keep track of the last text selected here, so we can check the |
223 | ;;; current selection against it, and avoid passing back our own text | |
6d7cc563 | 224 | ;;; from x-selection-value. |
c432c362 EZ |
225 | (defvar x-last-selected-text nil) |
226 | ||
8c717810 EZ |
227 | (defcustom x-select-enable-clipboard t |
228 | "Non-nil means cutting and pasting uses the clipboard. | |
3077d1f6 EZ |
229 | This is in addition to, but in preference to, the primary selection. |
230 | ||
6f748f70 | 231 | Note that MS-Windows does not support selection types other than the |
725513b7 GM |
232 | clipboard. (The primary selection that is set by Emacs is not |
233 | accessible to other programs on MS-Windows.) | |
234 | ||
235 | This variable is not used by the Nextstep port." | |
8c717810 EZ |
236 | :type 'boolean |
237 | :group 'killing) | |
c432c362 | 238 | |
6d7cc563 | 239 | (defun x-select-text (text) |
3077d1f6 EZ |
240 | "Select TEXT, a string, according to the window system. |
241 | ||
6d7cc563 JD |
242 | On X, if `x-select-enable-clipboard' is non-nil, copy TEXT to the |
243 | clipboard. If `x-select-enable-primary' is non-nil, put TEXT in | |
244 | the primary selection. | |
3077d1f6 | 245 | |
90b671e2 | 246 | On MS-Windows, make TEXT the current selection. If |
3077d1f6 | 247 | `x-select-enable-clipboard' is non-nil, copy the text to the |
6d7cc563 | 248 | clipboard as well. |
3077d1f6 | 249 | |
90b671e2 EZ |
250 | On Nextstep, put TEXT in the pasteboard (`x-select-enable-clipboard' |
251 | is not used)." | |
db95369b | 252 | (if x-select-enable-clipboard |
8254b6b4 | 253 | (w16-set-clipboard-data text)) |
c432c362 | 254 | (setq x-last-selected-text text)) |
db95369b | 255 | |
c432c362 | 256 | (defun x-get-selection-value () |
bf6b4923 EZ |
257 | "Return the value of the current selection. |
258 | Consult the selection. Treat empty strings as if they were unset." | |
db95369b | 259 | (if x-select-enable-clipboard |
c432c362 EZ |
260 | (let (text) |
261 | ;; Don't die if x-get-selection signals an error. | |
30213927 GM |
262 | (with-demoted-errors "w16-get-clipboard-data:%s" |
263 | (setq text (w16-get-clipboard-data))) | |
c432c362 EZ |
264 | (if (string= text "") (setq text nil)) |
265 | (cond | |
266 | ((not text) nil) | |
267 | ((eq text x-last-selected-text) nil) | |
268 | ((string= text x-last-selected-text) | |
269 | ;; Record the newer string, so subsequent calls can use the 'eq' test. | |
270 | (setq x-last-selected-text text) | |
271 | nil) | |
272 | (t | |
273 | (setq x-last-selected-text text)))))) | |
274 | ||
f22693fc | 275 | ;; x-selection-owner-p is used in simple.el. |
9d3aa82c | 276 | (defun x-selection-owner-p (&optional _selection _terminal) |
f22693fc EZ |
277 | "Whether the current Emacs process owns the given X Selection. |
278 | The arg should be the name of the selection in question, typically one of | |
279 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
280 | \(Those are literal upper-case symbol names, since that's what X expects.) | |
281 | For convenience, the symbol nil is the same as `PRIMARY', | |
90b671e2 EZ |
282 | and t is the same as `SECONDARY'. |
283 | ||
284 | TERMINAL should be a terminal object or a frame specifying the X | |
285 | server to query. If omitted or nil, that stands for the selected | |
bd7da63e GM |
286 | frame's display, or the first available X display. |
287 | ||
69481eb8 GM |
288 | On Nextstep, TERMINAL is unused. |
289 | ||
290 | \(fn &optional SELECTION TERMINAL)" | |
f22693fc EZ |
291 | (if x-select-enable-clipboard |
292 | (let (text) | |
293 | ;; Don't die if w16-get-clipboard-data signals an error. | |
294 | (ignore-errors | |
295 | (setq text (w16-get-clipboard-data))) | |
296 | ;; We consider ourselves the owner of the selection if it does | |
297 | ;; not exist, or exists and compares equal with the last text | |
298 | ;; we've put into the Windows clipboard. | |
299 | (cond | |
300 | ((not text) t) | |
301 | ((or (eq text x-last-selected-text) | |
302 | (string= text x-last-selected-text)) | |
303 | text) | |
304 | (t nil))))) | |
305 | ||
306 | ;; x-own-selection-internal and x-disown-selection-internal are used | |
307 | ;; in select.el:x-set-selection. | |
9d3aa82c | 308 | (defun x-own-selection-internal (_selection value &optional _frame) |
90b671e2 EZ |
309 | "Assert an X selection of the type SELECTION with and value VALUE. |
310 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
f22693fc EZ |
311 | \(Those are literal upper-case symbol names, since that's what X expects.) |
312 | VALUE is typically a string, or a cons of two markers, but may be | |
90b671e2 EZ |
313 | anything that the functions on `selection-converter-alist' know about. |
314 | ||
315 | FRAME should be a frame that should own the selection. If omitted or | |
bd7da63e GM |
316 | nil, it defaults to the selected frame. |
317 | ||
69481eb8 GM |
318 | On Nextstep, FRAME is unused. |
319 | ||
320 | \(fn SELECTION VALUE &optional FRAME)" | |
f22693fc EZ |
321 | (ignore-errors |
322 | (x-select-text value)) | |
323 | value) | |
324 | ||
9d3aa82c | 325 | (defun x-disown-selection-internal (selection &optional _time-object _terminal) |
f22693fc | 326 | "If we own the selection SELECTION, disown it. |
90b671e2 EZ |
327 | Disowning it means there is no such selection. |
328 | ||
bd7da63e GM |
329 | Sets the last-change time for the selection to TIME-OBJECT (by default |
330 | the time of the last event). | |
331 | ||
90b671e2 EZ |
332 | TERMINAL should be a terminal object or a frame specifying the X |
333 | server to query. If omitted or nil, that stands for the selected | |
bd7da63e GM |
334 | frame's display, or the first available X display. |
335 | ||
336 | On Nextstep, the TIME-OBJECT and TERMINAL arguments are unused. | |
69481eb8 GM |
337 | On MS-DOS, all this does is return non-nil if we own the selection. |
338 | ||
339 | \(fn SELECTION &optional TIME-OBJECT TERMINAL)" | |
f22693fc EZ |
340 | (if (x-selection-owner-p selection) |
341 | t)) | |
342 | ||
a2249e66 | 343 | ;; x-get-selection-internal is used in select.el |
9d3aa82c JB |
344 | (defun x-get-selection-internal (_selection-symbol _target-type |
345 | &optional _time-stamp _terminal) | |
a2249e66 | 346 | "Return text selected from some X window. |
bd7da63e | 347 | SELECTION-SYMBOL is typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. |
a2249e66 | 348 | \(Those are literal upper-case symbol names, since that's what X expects.) |
bd7da63e GM |
349 | TARGET-TYPE is the type of data desired, typically `STRING'. |
350 | ||
351 | TIME-STAMP is the time to use in the XConvertSelection call for foreign | |
90b671e2 EZ |
352 | selections. If omitted, defaults to the time for the last event. |
353 | ||
354 | TERMINAL should be a terminal object or a frame specifying the X | |
355 | server to query. If omitted or nil, that stands for the selected | |
bd7da63e GM |
356 | frame's display, or the first available X display. |
357 | ||
69481eb8 GM |
358 | On Nextstep, TIME-STAMP and TERMINAL are unused. |
359 | ||
360 | \(fn SELECTION-SYMBOL TARGET-TYPE &optional TIME-STAMP TERMINAL)" | |
a2249e66 EZ |
361 | (x-get-selection-value)) |
362 | ||
cee30b8f RS |
363 | ;; From src/fontset.c: |
364 | (fset 'query-fontset 'ignore) | |
365 | ||
e1ddc4b4 RS |
366 | ;; From lisp/term/x-win.el: make iconify-or-deiconify-frame a no-op. |
367 | (fset 'iconify-or-deiconify-frame 'ignore) | |
368 | ||
ef88bd2d MW |
369 | ;; From lisp/frame.el |
370 | (fset 'set-default-font 'ignore) | |
371 | (fset 'set-mouse-color 'ignore) ; We cannot, I think. | |
372 | (fset 'set-cursor-color 'ignore) ; Hardware determined by char under. | |
373 | (fset 'set-border-color 'ignore) ; Not useful. | |
c8a6e3b9 | 374 | |
9993f59a EZ |
375 | (defvar msdos-last-help-message nil |
376 | "The last help message received via `show-help-function'. | |
377 | This is used by `msdos-show-help'.") | |
378 | ||
23608640 EZ |
379 | (defvar msdos-previous-message nil |
380 | "The content of the echo area before help echo was displayed.") | |
381 | ||
382 | (defun msdos-show-help (help) | |
8fc29035 | 383 | "Function installed as `show-help-function' on MS-DOS frames." |
23608640 | 384 | (when (and (not (window-minibuffer-p)) ;Don't overwrite minibuffer contents. |
23608640 EZ |
385 | (not cursor-in-echo-area)) ;Don't overwrite a prompt. |
386 | (cond | |
387 | ((stringp help) | |
9993f59a EZ |
388 | (setq help (replace-regexp-in-string "\n" ", " help)) |
389 | (unless (or msdos-previous-message | |
390 | (string-equal help (current-message)) | |
391 | (and (stringp msdos-last-help-message) | |
392 | (string-equal msdos-last-help-message | |
393 | (current-message)))) | |
23608640 | 394 | (setq msdos-previous-message (current-message))) |
9993f59a | 395 | (setq msdos-last-help-message help) |
08792c11 | 396 | (let ((message-truncate-lines nil) |
23608640 | 397 | (message-log-max nil)) |
9993f59a | 398 | (message "%s" help))) |
23608640 EZ |
399 | ((stringp msdos-previous-message) |
400 | (let ((message-log-max nil)) | |
401 | (message "%s" msdos-previous-message) | |
402 | (setq msdos-previous-message nil))) | |
403 | (t | |
404 | (message nil))))) | |
405 | ||
406 | ||
cbcc5ad4 | 407 | ;; Initialization. |
ef88bd2d | 408 | ;; --------------------------------------------------------------------------- |
cbcc5ad4 EZ |
409 | ;; This function is run, by faces.el:tty-create-frame-with-faces, only |
410 | ;; for the initial frame (on each terminal, but we have only one). | |
411 | ;; This works by setting the `terminal-initted' terminal parameter to | |
412 | ;; this function, the first time `tty-create-frame-with-faces' is | |
413 | ;; called on that terminal. `tty-create-frame-with-faces' is called | |
414 | ;; directly from startup.el and also by `make-frame' through | |
415 | ;; `frame-creation-function-alist'. `make-frame' will call this | |
416 | ;; function if `msdos-create-frame-with-faces' (see below) is not | |
417 | ;; found in `frame-creation-function-alist', which means something is | |
418 | ;; _very_ wrong, because "internal" terminal emulator should not be | |
419 | ;; turned on if our window-system is not `pc'. Therefore, the only | |
420 | ;; Right Thing for us to do here is scream bloody murder. | |
421 | (defun terminal-init-internal () | |
422 | "Terminal initialization function for the MS-DOS \"internal\" terminal. | |
423 | Errors out because it is not supposed to be called, ever." | |
424 | (error "terminal-init-internal called for window-system `%s'" | |
425 | (window-system))) | |
426 | ||
9d3aa82c | 427 | (defun msdos-initialize-window-system (&optional _display) |
cbcc5ad4 EZ |
428 | "Initialization function for the `pc' \"window system\"." |
429 | (or (eq (window-system) 'pc) | |
430 | (error | |
431 | "`msdos-initialize-window-system' called, but window-system is `%s'" | |
432 | (window-system))) | |
433 | ;; First, the keyboard. | |
434 | (msdos-setup-keyboard terminal-frame) ; see internal.el | |
435 | ;; Next, register the default colors. | |
436 | (let* ((colors msdos-color-values) | |
437 | (color (car colors))) | |
438 | (tty-color-clear) | |
439 | (while colors | |
440 | (tty-color-define (car color) (cadr color) (cddr color)) | |
441 | (setq colors (cdr colors) color (car colors)))) | |
442 | ;; Modifying color mappings means realized faces don't | |
443 | ;; use the right colors, so clear them. | |
444 | (clear-face-cache) | |
445 | ;; Now set up some additional faces. | |
446 | (msdos-face-setup) | |
447 | ;; Set up the initial frame. | |
448 | (msdos-setup-initial-frame) | |
23608640 EZ |
449 | ;; Help echo is displayed in the echo area. |
450 | (setq show-help-function 'msdos-show-help) | |
cbcc5ad4 EZ |
451 | ;; We want to delay the codepage-related setup until after user's |
452 | ;; .emacs is processed, because people might define their | |
453 | ;; `dos-codepage-setup-hook' there. | |
454 | (add-hook 'after-init-hook 'dos-codepage-setup) | |
455 | ;; In multibyte mode, we want unibyte buffers to be displayed | |
456 | ;; using the terminal coding system, so that they display | |
457 | ;; correctly on the DOS terminal; in unibyte mode we want to see | |
458 | ;; all 8-bit characters verbatim. In both cases, we want the | |
459 | ;; entire range of 8-bit characters to arrive at our display code | |
460 | ;; verbatim. | |
461 | (standard-display-8bit 127 255) | |
462 | ;; We are fast enough to make this optimization unnecessary. | |
463 | (setq split-window-keep-point t) | |
464 | ;; Arrange for the kill and yank functions to set and check the | |
465 | ;; clipboard. | |
466 | (setq interprogram-cut-function 'x-select-text) | |
467 | (setq interprogram-paste-function 'x-get-selection-value) | |
468 | (menu-bar-enable-clipboard) | |
469 | (run-hooks 'terminal-init-msdos-hook)) | |
470 | ||
471 | ;; frame-creation-function-alist is examined by frame.el:make-frame. | |
472 | (add-to-list 'frame-creation-function-alist | |
473 | '(pc . msdos-create-frame-with-faces)) | |
474 | ;; window-system-initialization-alist is examined by startup.el:command-line. | |
475 | (add-to-list 'window-system-initialization-alist | |
476 | '(pc . msdos-initialize-window-system)) | |
477 | ;; We don't need anything beyond tty-handle-args for handling | |
478 | ;; command-line argument; see startup.el. | |
479 | (add-to-list 'handle-args-function-alist '(pc . tty-handle-args)) | |
480 | ||
481 | ;; --------------------------------------------------------------------------- | |
482 | ||
483 | (provide 'pc-win) | |
092af6d8 RS |
484 | |
485 | ;;; pc-win.el ends here |