1 ;;; w32-win.el --- parse switches controlling interface with W32 window system
3 ;; Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 Free Software Foundation, Inc.
9 ;; This file is part of GNU Emacs.
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)
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.
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.
28 ;; w32-win.el: this file is loaded from ../lisp/startup.el when it recognizes
29 ;; that W32 windows are to be used. Command line switches are parsed and those
30 ;; pertaining to W32 are processed and removed from the command line. The
31 ;; W32 display is opened and hooks are set for popping up the initial window.
33 ;; startup.el will then examine startup files, and eventually call the hooks
34 ;; which create the first window (s).
39 ;; These are the standard X switches from the Xt Initialize.c file of
42 ;; Command line Resource Manager string
45 ;; +synchronous *synchronous
46 ;; -background *background
49 ;; -bordercolor *borderColor
50 ;; -borderwidth .borderWidth
56 ;; -foreground *foreground
57 ;; -geometry .geometry
62 ;; -reverse *reverseVideo
64 ;; -selectionTimeout .selectionTimeout
65 ;; -synchronous *synchronous
68 ;; An alist of X options and the function which handles them. See
71 (if (not (eq window-system 'w32))
72 (error "%s: Loading w32-win.el but not compiled for w32" (invocation-name)))
83 (defvar xlfd-regexp-registry-subnum)
85 ;; Conditional on new-fontset so bootstrapping works on non-GUI compiles
86 (if (fboundp 'new-fontset)
89 ;; The following definition is used for debugging scroll bar events.
90 ;(defun w32-handle-scroll-bar-event (event) (interactive "e") (princ event))
92 ;; Handle mouse-wheel events with mwheel.
95 (defun w32-drag-n-drop-debug (event)
96 "Print the drag-n-drop EVENT in a readable form."
100 (defun w32-drag-n-drop (event)
101 "Edit the files listed in the drag-n-drop EVENT.
102 Switch to a buffer editing the last file dropped."
105 ;; Make sure the drop target has positive co-ords
106 ;; before setting the selected frame - otherwise it
107 ;; won't work. <skx@tardis.ed.ac.uk>
108 (let* ((window (posn-window (event-start event)))
109 (coords (posn-x-y (event-start event)))
112 (if (and (> x 0) (> y 0))
113 (set-frame-selected-window nil window))
114 (mapcar (lambda (file-name)
115 (let ((f (subst-char-in-string ?\\ ?/ file-name))
116 (coding (or file-name-coding-system
117 default-file-name-coding-system)))
119 (mapconcat 'url-hexify-string
120 (split-string (encode-coding-string f coding)
123 (dnd-handle-one-url window 'private
124 (concat "file:" file-name)))
125 (car (cdr (cdr event)))))
128 (defun w32-drag-n-drop-other-frame (event)
129 "Edit the files listed in the drag-n-drop EVENT, in other frames.
130 May create new frames, or reuse existing ones. The frame editing
131 the last file dropped is selected."
133 (mapcar 'find-file-other-frame (car (cdr (cdr event)))))
135 ;; Bind the drag-n-drop event.
136 (global-set-key [drag-n-drop] 'w32-drag-n-drop)
137 (global-set-key [C-drag-n-drop] 'w32-drag-n-drop-other-frame)
139 ;; Keyboard layout/language change events
140 ;; For now ignore language-change events; in the future
141 ;; we should switch the Emacs Input Method to match the
142 ;; new layout/language selected by the user.
143 (global-set-key [language-change] 'ignore)
145 (defvar x-invocation-args)
147 (defvar x-command-line-resources nil)
149 (defun x-handle-switch (switch)
150 "Handle SWITCH of the form \"-switch value\" or \"-switch\"."
151 (let ((aelt (assoc switch command-line-x-option-alist)))
153 (push (cons (nth 3 aelt) (or (nth 4 aelt) (pop x-invocation-args)))
154 default-frame-alist))))
156 (defun x-handle-numeric-switch (switch)
157 "Handle SWITCH of the form \"-switch n\"."
158 (let ((aelt (assoc switch command-line-x-option-alist)))
160 (push (cons (nth 3 aelt) (string-to-number (pop x-invocation-args)))
161 default-frame-alist))))
163 ;; Handle options that apply to initial frame only
164 (defun x-handle-initial-switch (switch)
165 (let ((aelt (assoc switch command-line-x-option-alist)))
167 (push (cons (nth 3 aelt) (or (nth 4 aelt) (pop x-invocation-args)))
168 initial-frame-alist))))
170 (defun x-handle-iconic (switch)
171 "Make \"-iconic\" SWITCH apply only to the initial frame."
172 (push '(visibility . icon) initial-frame-alist))
174 (defun x-handle-xrm-switch (switch)
175 "Handle the \"-xrm\" SWITCH."
176 (or (consp x-invocation-args)
177 (error "%s: missing argument to `%s' option" (invocation-name) switch))
178 (setq x-command-line-resources
179 (if (null x-command-line-resources)
180 (car x-invocation-args)
181 (concat x-command-line-resources "\n" (car x-invocation-args))))
182 (setq x-invocation-args (cdr x-invocation-args)))
184 (defun x-handle-geometry (switch)
185 "Handle the \"-geometry\" SWITCH."
186 (let* ((geo (x-parse-geometry (car x-invocation-args)))
187 (left (assq 'left geo))
188 (top (assq 'top geo))
189 (height (assq 'height geo))
190 (width (assq 'width geo)))
191 (if (or height width)
192 (setq default-frame-alist
193 (append default-frame-alist
195 (if height (list height))
196 (if width (list width)))
198 (append initial-frame-alist
200 (if height (list height))
201 (if width (list width)))))
203 (setq initial-frame-alist
204 (append initial-frame-alist
205 '((user-position . t))
206 (if left (list left))
207 (if top (list top)))))
208 (setq x-invocation-args (cdr x-invocation-args))))
210 (defun x-handle-name-switch (switch)
211 "Handle the \"-name\" SWITCH."
212 ;; Handle the -name option. Set the variable x-resource-name
213 ;; to the option's operand; set the name of the initial frame, too.
214 (or (consp x-invocation-args)
215 (error "%s: missing argument to `%s' option" (invocation-name) switch))
216 (setq x-resource-name (pop x-invocation-args))
217 (push (cons 'name x-resource-name) initial-frame-alist))
219 (defvar x-display-name nil
220 "The display name specifying server and frame.")
222 (defun x-handle-display (switch)
223 "Handle the \"-display\" SWITCH."
224 (setq x-display-name (pop x-invocation-args)))
226 (defun x-handle-args (args)
227 "Process the X-related command line options in ARGS.
228 This is done before the user's startup file is loaded. They are copied to
229 `x-invocation args' from which the X-related things are extracted, first
230 the switch (e.g., \"-fg\") in the following code, and possible values
231 \(e.g., \"black\") in the option handler code (e.g., x-handle-switch).
232 This returns ARGS with the arguments that have been processed removed."
233 ;; We use ARGS to accumulate the args that we don't handle here, to return.
234 (setq x-invocation-args args
236 (while (and x-invocation-args
237 (not (equal (car x-invocation-args) "--")))
238 (let* ((this-switch (car x-invocation-args))
239 (orig-this-switch this-switch)
240 completion argval aelt handler)
241 (setq x-invocation-args (cdr x-invocation-args))
242 ;; Check for long options with attached arguments
243 ;; and separate out the attached option argument into argval.
244 (if (string-match "^--[^=]*=" this-switch)
245 (setq argval (substring this-switch (match-end 0))
246 this-switch (substring this-switch 0 (1- (match-end 0)))))
247 ;; Complete names of long options.
248 (if (string-match "^--" this-switch)
250 (setq completion (try-completion this-switch command-line-x-option-alist))
251 (if (eq completion t)
252 ;; Exact match for long option.
254 (if (stringp completion)
255 (let ((elt (assoc completion command-line-x-option-alist)))
256 ;; Check for abbreviated long option.
258 (error "Option `%s' is ambiguous" this-switch))
259 (setq this-switch completion))))))
260 (setq aelt (assoc this-switch command-line-x-option-alist))
261 (if aelt (setq handler (nth 2 aelt)))
264 (let ((x-invocation-args
265 (cons argval x-invocation-args)))
266 (funcall handler this-switch))
267 (funcall handler this-switch))
268 (push orig-this-switch args))))
269 (nconc (nreverse args) x-invocation-args))
275 (defvar x-colors '("LightGreen"
874 "LightGoldenrodYellow"
875 "light goldenrod yellow"
892 "medium spring green"
1027 "The list of X colors from the `rgb.txt' file.
1028 XConsortium: rgb.txt,v 10.41 94/02/20 18:39:36 rws Exp")
1030 (defun xw-defined-colors (&optional frame)
1031 "Internal function called by `defined-colors', which see."
1032 (or frame (setq frame (selected-frame)))
1033 (let ((defined-colors nil))
1034 (dolist (this-color (or (mapcar 'car w32-color-map) x-colors))
1035 (and (color-supported-p this-color frame t)
1036 (push this-color defined-colors)))
1042 ;;; make f10 activate the real menubar rather than the mini-buffer menu
1043 ;;; navigation feature.
1044 (global-set-key [f10] (lambda ()
1045 (interactive) (w32-send-sys-command ?\xf100)))
1047 (substitute-key-definition 'suspend-emacs 'iconify-or-deiconify-frame
1050 (define-key function-key-map [S-tab] [backtab])
1053 ;;; Do the actual Windows setup here; the above code just defines
1054 ;;; functions and variables that we use now.
1056 (setq command-line-args (x-handle-args command-line-args))
1058 ;;; Make sure we have a valid resource name.
1059 (or (stringp x-resource-name)
1060 (setq x-resource-name
1061 ;; Change any . or * characters in x-resource-name to hyphens,
1062 ;; so as not to choke when we use it in X resource queries.
1063 (replace-regexp-in-string "[.*]" "-" (invocation-name))))
1065 ;; For the benefit of older Emacses (19.27 and earlier) that are sharing
1066 ;; the same lisp directory, don't pass the third argument unless we seem
1067 ;; to have the multi-display support.
1068 (if (fboundp 'x-close-connection)
1069 (x-open-connection ""
1070 x-command-line-resources
1071 ;; Exit Emacs with fatal error if this fails.
1073 (x-open-connection ""
1074 x-command-line-resources))
1076 (setq frame-creation-function 'x-create-frame-with-faces)
1078 (setq x-cut-buffer-max (min (- (/ (x-server-max-request-size) 2) 100)
1081 ;; W32 expects the menu bar cut and paste commands to use the clipboard.
1082 ;; This has ,? to match both on Sunos and on Solaris.
1083 (menu-bar-enable-clipboard)
1085 ;; W32 systems have different fonts than commonly found on X, so
1086 ;; we define our own standard fontset here.
1087 (defvar w32-standard-fontset-spec
1088 "-*-Courier New-normal-r-*-*-13-*-*-*-c-*-fontset-standard"
1089 "String of fontset spec of the standard fontset.
1090 This defines a fontset consisting of the Courier New variations for
1091 European languages which are distributed with Windows as
1092 \"Multilanguage Support\".
1094 See the documentation of `create-fontset-from-fontset-spec' for the format.")
1096 ;; Conditional on new-fontset so bootstrapping works on non-GUI compiles
1097 (if (fboundp 'new-fontset)
1099 ;; Setup the default fontset.
1100 (setup-default-fontset)
1101 ;; Create the standard fontset.
1102 (create-fontset-from-fontset-spec w32-standard-fontset-spec t)
1103 ;; Create fontset specified in X resources "Fontset-N" (N is 0, 1,...).
1104 (create-fontset-from-x-resource)
1105 ;; Try to create a fontset from a font specification which comes
1106 ;; from initial-frame-alist, default-frame-alist, or X resource.
1107 ;; A font specification in command line argument (i.e. -fn XXXX)
1108 ;; should be already in default-frame-alist as a `font'
1109 ;; parameter. However, any font specifications in site-start
1110 ;; library, user's init file (.emacs), and default.el are not
1111 ;; yet handled here.
1113 (let ((font (or (cdr (assq 'font initial-frame-alist))
1114 (cdr (assq 'font default-frame-alist))
1115 (x-get-resource "font" "Font")))
1116 xlfd-fields resolved-name)
1118 (not (query-fontset font))
1119 (setq resolved-name (x-resolve-font-name font))
1120 (setq xlfd-fields (x-decompose-font-name font)))
1121 (if (string= "fontset"
1122 (aref xlfd-fields xlfd-regexp-registry-subnum))
1124 (x-complement-fontset-spec xlfd-fields nil))
1125 ;; Create a fontset from FONT. The fontset name is
1126 ;; generated from FONT.
1127 (create-fontset-from-ascii-font font
1128 resolved-name "startup"))))))
1130 ;; Apply a geometry resource to the initial frame. Put it at the end
1131 ;; of the alist, so that anything specified on the command line takes
1133 (let* ((res-geometry (x-get-resource "geometry" "Geometry"))
1137 (setq parsed (x-parse-geometry res-geometry))
1138 ;; If the resource specifies a position,
1139 ;; call the position and size "user-specified".
1140 (if (or (assq 'top parsed) (assq 'left parsed))
1141 (setq parsed (cons '(user-position . t)
1142 (cons '(user-size . t) parsed))))
1143 ;; All geometry parms apply to the initial frame.
1144 (setq initial-frame-alist (append initial-frame-alist parsed))
1145 ;; The size parms apply to all frames.
1146 (if (assq 'height parsed)
1147 (push (cons 'height (cdr (assq 'height parsed)))
1148 default-frame-alist))
1149 (if (assq 'width parsed)
1150 (push (cons 'width (cdr (assq 'width parsed)))
1151 default-frame-alist)))))
1153 ;; Check the reverseVideo resource.
1154 (let ((case-fold-search t))
1155 (let ((rv (x-get-resource "reverseVideo" "ReverseVideo")))
1156 (if (and rv (string-match "^\\(true\\|yes\\|on\\)$" rv))
1157 (push '(reverse . t) default-frame-alist))))
1159 (defun x-win-suspend-error ()
1160 "Report an error when a suspend is attempted."
1161 (error "Suspending an Emacs running under W32 makes no sense"))
1162 (add-hook 'suspend-hook 'x-win-suspend-error)
1164 ;;; Turn off window-splitting optimization; w32 is usually fast enough
1165 ;;; that this is only annoying.
1166 (setq split-window-keep-point t)
1168 ;; Don't show the frame name; that's redundant.
1169 (setq-default mode-line-frame-identification " ")
1171 ;;; Set to a system sound if you want a fancy bell.
1172 (set-message-beep 'ok)
1174 ;; Remap some functions to call w32 common dialogs
1176 (defun internal-face-interactive (what &optional bool)
1177 (let* ((fn (intern (concat "face-" what)))
1178 (prompt (concat "Set " what " of face "))
1179 (face (read-face-name prompt))
1180 (default (if (fboundp fn)
1181 (or (funcall fn face (selected-frame))
1182 (funcall fn 'default (selected-frame)))))
1183 (fn-win (intern (concat (symbol-name window-system) "-select-" what)))
1186 (cond ((fboundp fn-win)
1189 (completing-read (concat prompt " " (symbol-name face) " to: ")
1190 (mapcar (function (lambda (color)
1191 (cons color color)))
1193 nil nil nil nil default))
1195 (y-or-n-p (concat "Should face " (symbol-name face)
1198 (read-string (concat prompt " " (symbol-name face) " to: ")
1200 (list face (if (equal value "") nil value))))
1202 ;;; Enable Japanese fonts on Windows to be used by default.
1203 ;; (set-fontset-font nil (make-char 'katakana-jisx0201) '("*" . "JISX0208-SJIS"))
1204 ;; (set-fontset-font nil (make-char 'latin-jisx0201) '("*" . "JISX0208-SJIS"))
1205 ;; (set-fontset-font nil (make-char 'japanese-jisx0208) '("*" . "JISX0208-SJIS"))
1206 ;; (set-fontset-font nil (make-char 'japanese-jisx0208-1978) '("*" . "JISX0208-SJIS"))
1208 (defun mouse-set-font (&rest fonts)
1209 "Select an Emacs font from a list of known good fonts and fontsets.
1211 If `w32-use-w32-font-dialog' is non-nil (the default), use the Windows
1212 font dialog to display the list of possible fonts. Otherwise use a
1213 pop-up menu (like Emacs does on other platforms) initialized with
1214 the fonts in `w32-fixed-font-alist'.
1215 If `w32-list-proportional-fonts' is non-nil, add proportional fonts
1216 to the list in the font selection dialog (the fonts listed by the
1217 pop-up menu are unaffected by `w32-list-proportional-fonts')."
1219 (if w32-use-w32-font-dialog
1220 (let ((chosen-font (w32-select-font (selected-frame)
1221 w32-list-proportional-fonts)))
1222 (and chosen-font (list chosen-font)))
1225 ;; Append list of fontsets currently defined.
1226 ;; Conditional on new-fontset so bootstrapping works on non-GUI compiles
1227 (if (fboundp 'new-fontset)
1228 (append w32-fixed-font-alist (list (generate-fontset-menu)))))))
1234 (setq font (car fonts))
1235 (set-default-font font)
1237 (error (setq fonts (cdr fonts)))))
1239 (error "Font not found")))))
1241 ;;; Set default known names for image libraries
1242 (setq image-library-alist
1243 '((xpm "xpm4.dll" "libXpm-nox4.dll" "libxpm.dll")
1244 (png "libpng13d.dll" "libpng13.dll" "libpng12d.dll" "libpng12.dll" "libpng.dll")
1245 (jpeg "jpeg62.dll" "libjpeg.dll" "jpeg-62.dll" "jpeg.dll")
1246 (tiff "libtiff3.dll" "libtiff.dll")
1247 (gif "giflib4.dll" "libungif4.dll" "libungif.dll")))
1249 ;; arch-tag: 69fb1701-28c2-4890-b351-3d1fe4b4f166
1250 ;;; w32-win.el ends here