1;;; pc-win.el --- setup support for `PC windows' (whatever that is) 2 3;; Copyright (C) 1994, 1996, 1997, 1999, 2001, 2002, 2003, 2004, 4;; 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: Morten Welinder <terra@diku.dk> 7;; Maintainer: FSF 8 9;; This file is part of GNU Emacs. 10 11;; GNU Emacs is free software; you can redistribute it and/or modify 12;; it under the terms of the GNU General Public License as published by 13;; the Free Software Foundation; either version 2, or (at your option) 14;; any later version. 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 22;; along with GNU Emacs; see the file COPYING. If not, write to the 23;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24;; Boston, MA 02110-1301, USA. 25 26;;; Commentary: 27 28;;; Code: 29 30(load "term/internal" nil t) 31 32;;; This is copied from etc/rgb.txt, except that some values were changed 33;;; a bit to make them consistent with DOS console colors, and the RGB 34;;; values were scaled up to 16 bits, as `tty-define-color' requires. 35;;; 36;;; The mapping between the 16 standard EGA/VGA colors and X color names 37;;; was done by running a Unix version of Emacs inside an X client and a 38;;; DJGPP-compiled Emacs on the same PC. The names of X colors used to 39;;; define the pixel values are shown as comments to each color below. 40;;; 41;;; If you want to change the RGB values, keep in mind that various pieces 42;;; of Emacs think that a color whose RGB values add up to less than 0.6 of 43;;; the values for WHITE (i.e. less than 117963) are ``dark'', otherwise the 44;;; color is ``light''; see `frame-set-background-mode' in lisp/faces.el for 45;;; an example. 46(defvar msdos-color-values 47 '(("black" 0 0 0 0) 48 ("blue" 1 0 0 52480) ; MediumBlue 49 ("green" 2 8704 35584 8704) ; ForestGreen 50 ("cyan" 3 0 52736 53504) ; DarkTurquoise 51 ("red" 4 45568 8704 8704) ; FireBrick 52 ("magenta" 5 35584 0 35584) ; DarkMagenta 53 ("brown" 6 40960 20992 11520) ; Sienna 54 ("lightgray" 7 48640 48640 48640) ; Gray 55 ("darkgray" 8 26112 26112 26112) ; Gray40 56 ("lightblue" 9 0 0 65535) ; Blue 57 ("lightgreen" 10 0 65535 0) ; Green 58 ("lightcyan" 11 0 65535 65535) ; Cyan 59 ("lightred" 12 65535 0 0) ; Red 60 ("lightmagenta" 13 65535 0 65535) ; Magenta 61 ("yellow" 14 65535 65535 0) ; Yellow 62 ("white" 15 65535 65535 65535)) 63 "A list of MS-DOS console colors, their indices and 16-bit RGB values.") 64 65;; --------------------------------------------------------------------------- 66;; We want to delay setting frame parameters until the faces are setup 67(defvar default-frame-alist nil) 68(modify-frame-parameters terminal-frame default-frame-alist) 69(tty-color-clear) 70 71(defun msdos-face-setup () 72 (set-face-foreground 'bold "yellow" terminal-frame) 73 (set-face-foreground 'italic "red" terminal-frame) 74 (set-face-foreground 'bold-italic "lightred" terminal-frame) 75 (set-face-foreground 'underline "white" terminal-frame) 76 77 (make-face 'msdos-menu-active-face) 78 (make-face 'msdos-menu-passive-face) 79 (make-face 'msdos-menu-select-face) 80 (set-face-foreground 'msdos-menu-active-face "white" terminal-frame) 81 (set-face-foreground 'msdos-menu-passive-face "lightgray" terminal-frame) 82 (set-face-background 'msdos-menu-active-face "blue" terminal-frame) 83 (set-face-background 'msdos-menu-passive-face "blue" terminal-frame) 84 (set-face-background 'msdos-menu-select-face "red" terminal-frame)) 85 86(add-hook 'before-init-hook 'msdos-face-setup) 87 88(defun msdos-handle-reverse-video (frame parameters) 89 "Handle the reverse-video frame parameter on MS-DOS frames." 90 (when (cdr (or (assq 'reverse parameters) 91 (assq 'reverse default-frame-alist))) 92 (let* ((params (frame-parameters frame)) 93 (fg (cdr (assq 'foreground-color params))) 94 (bg (cdr (assq 'background-color params)))) 95 (if (equal fg (cdr (assq 'mouse-color params))) 96 (modify-frame-parameters frame 97 (list (cons 'mouse-color bg)))) 98 (if (equal fg (cdr (assq 'cursor-color params))) 99 (modify-frame-parameters frame 100 (list (cons 'cursor-color bg))))))) 101 102;; This must run after all the default colors are inserted into 103;; tty-color-alist, since msdos-handle-reverse-video needs to know the 104;; actual frame colors. tty-color-alist is set up by startup.el, but 105;; only after it runs before-init-hook and after-init-hook. 106(defun msdos-setup-initial-frame () 107 (modify-frame-parameters terminal-frame default-frame-alist) 108 ;; This remembers the screen colors after applying default-frame-alist, 109 ;; so that all subsequent frames could begin with those colors. 110 (msdos-remember-default-colors terminal-frame) 111 (modify-frame-parameters terminal-frame initial-frame-alist) 112 (msdos-handle-reverse-video terminal-frame 113 (frame-parameters terminal-frame)) 114 115 (frame-set-background-mode terminal-frame) 116 (face-set-after-frame-default terminal-frame)) 117 118(add-hook 'term-setup-hook 'msdos-setup-initial-frame) 119 120;; We create frames as if we were a terminal, but with a twist. 121(defun make-msdos-frame (&optional parameters) 122 (let ((frame (make-terminal-frame parameters)) 123 success) 124 (unwind-protect 125 (progn 126 (msdos-handle-reverse-video frame (frame-parameters frame)) 127 (frame-set-background-mode frame) 128 (face-set-after-frame-default frame) 129 (setq success t)) 130 (unless success (delete-frame frame))) 131 frame)) 132 133(setq frame-creation-function 'make-msdos-frame) 134 135;; --------------------------------------------------------------------------- 136;; More or less useful imitations of certain X-functions. A lot of the 137;; values returned are questionable, but usually only the form of the 138;; returned value matters. Also, by the way, recall that `ignore' is 139;; a useful function for returning 'nil regardless of argument. 140 141;; From src/xfns.c 142(defun x-list-fonts (pattern &optional face frame maximum width) 143 (if (or (null width) (and (numberp width) (= width 1))) 144 (list "ms-dos") 145 (list "no-such-font"))) 146(defun x-display-pixel-width (&optional frame) (frame-width frame)) 147(defun x-display-pixel-height (&optional frame) (frame-height frame)) 148(defun x-display-planes (&optional frame) 4) ;bg switched to 16 colors as well 149(defun x-display-color-cells (&optional frame) 16) 150(defun x-server-max-request-size (&optional frame) 1000000) ; ??? 151(defun x-server-vendor (&optional frame) t "GNU") 152(defun x-server-version (&optional frame) '(1 0 0)) 153(defun x-display-screens (&optional frame) 1) 154(defun x-display-mm-height (&optional frame) 245) ; Guess the size of my 155(defun x-display-mm-width (&optional frame) 322) ; monitor, EZ... 156(defun x-display-backing-store (&optional frame) 'not-useful) 157(defun x-display-visual-class (&optional frame) 'static-color) 158(fset 'x-display-save-under 'ignore) 159(fset 'x-get-resource 'ignore) 160 161;; From lisp/term/x-win.el 162(defvar x-display-name "pc" 163 "The display name specifying the MS-DOS display and frame type.") 164(setq split-window-keep-point t) 165(defvar x-colors (mapcar 'car msdos-color-values) 166 "The list of colors available on a PC display under MS-DOS.") 167 168;; From lisp/term/w32-win.el 169; 170;;;; Selections and cut buffers 171; 172;;; We keep track of the last text selected here, so we can check the 173;;; current selection against it, and avoid passing back our own text 174;;; from x-cut-buffer-or-selection-value. 175(defvar x-last-selected-text nil) 176 177(defcustom x-select-enable-clipboard t 178 "Non-nil means cutting and pasting uses the clipboard. 179This is the default on this system, since MS-Windows does not 180support other types of selections." 181 :type 'boolean 182 :group 'killing) 183 184(defun x-select-text (text &optional push) 185 (if x-select-enable-clipboard 186 (w16-set-clipboard-data text)) 187 (setq x-last-selected-text text)) 188 189;;; Return the value of the current selection. 190;;; Consult the selection, then the cut buffer. Treat empty strings 191;;; as if they were unset. 192(defun x-get-selection-value () 193 (if x-select-enable-clipboard 194 (let (text) 195 ;; Don't die if x-get-selection signals an error. 196 (condition-case c 197 (setq text (w16-get-clipboard-data)) 198 (error (message "w16-get-clipboard-data:%s" c))) 199 (if (string= text "") (setq text nil)) 200 (cond 201 ((not text) nil) 202 ((eq text x-last-selected-text) nil) 203 ((string= text x-last-selected-text) 204 ;; Record the newer string, so subsequent calls can use the 'eq' test. 205 (setq x-last-selected-text text) 206 nil) 207 (t 208 (setq x-last-selected-text text)))))) 209 210;;; Arrange for the kill and yank functions to set and check the clipboard. 211(setq interprogram-cut-function 'x-select-text) 212(setq interprogram-paste-function 'x-get-selection-value) 213 214;; From lisp/faces.el: we only have one font, so always return 215;; it, no matter which variety they've asked for. 216(defun x-frob-font-slant (font which) 217 font) 218(make-obsolete 'x-frob-font-slant 'make-face-... "21.1") 219(defun x-frob-font-weight (font which) 220 font) 221(make-obsolete 'x-frob-font-weight 'make-face-... "21.1") 222(defun x-font-family-list () 223 "Return a list of available font families on FRAME.\n\ 224If FRAME is omitted or nil, use the selected frame.\n\ 225Value is a list of conses (FAMILY . FIXED-P) where FAMILY\n\ 226is a font family, and FIXED-P is non-nil if fonts of that family\n\ 227are fixed-pitch." 228 '(("default" . t))) 229 230;; From src/fontset.c: 231(fset 'query-fontset 'ignore) 232 233;; From lisp/term/x-win.el: make iconify-or-deiconify-frame a no-op. 234(fset 'iconify-or-deiconify-frame 'ignore) 235 236;; From lisp/frame.el 237(fset 'set-default-font 'ignore) 238(fset 'set-mouse-color 'ignore) ; We cannot, I think. 239(fset 'set-cursor-color 'ignore) ; Hardware determined by char under. 240(fset 'set-border-color 'ignore) ; Not useful. 241 242;; --------------------------------------------------------------------------- 243 244;;; arch-tag: 5cbdb455-b495-427b-95d0-e417d77d00b4 245;;; pc-win.el ends here 246