1 ;;; w32-win.el --- parse switches controlling interface with W32 window system
3 ;; Copyright (C) 1993, 1994, 2002, 2003, 2004,
4 ;; 2005 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 (dnd-handle-one-url window 'private
116 (concat "file:" file-name)))
117 (car (cdr (cdr event)))))
120 (defun w32-drag-n-drop-other-frame (event)
121 "Edit the files listed in the drag-n-drop EVENT, in other frames.
122 May create new frames, or reuse existing ones. The frame editing
123 the last file dropped is selected."
125 (mapcar 'find-file-other-frame (car (cdr (cdr event)))))
127 ;; Bind the drag-n-drop event.
128 (global-set-key [drag-n-drop] 'w32-drag-n-drop)
129 (global-set-key [C-drag-n-drop] 'w32-drag-n-drop-other-frame)
131 ;; Keyboard layout/language change events
132 ;; For now ignore language-change events; in the future
133 ;; we should switch the Emacs Input Method to match the
134 ;; new layout/language selected by the user.
135 (global-set-key [language-change] 'ignore)
137 (defvar x-invocation-args)
139 (defvar x-command-line-resources nil)
141 (defun x-handle-switch (switch)
142 "Handle SWITCH of the form \"-switch value\" or \"-switch\"."
143 (let ((aelt (assoc switch command-line-x-option-alist)))
145 (push (cons (nth 3 aelt) (or (nth 4 aelt) (pop x-invocation-args)))
146 default-frame-alist))))
148 (defun x-handle-numeric-switch (switch)
149 "Handle SWITCH of the form \"-switch n\"."
150 (let ((aelt (assoc switch command-line-x-option-alist)))
152 (push (cons (nth 3 aelt) (string-to-number (pop x-invocation-args)))
153 default-frame-alist))))
155 ;; Handle options that apply to initial frame only
156 (defun x-handle-initial-switch (switch)
157 (let ((aelt (assoc switch command-line-x-option-alist)))
159 (push (cons (nth 3 aelt) (or (nth 4 aelt) (pop x-invocation-args)))
160 initial-frame-alist))))
162 (defun x-handle-iconic (switch)
163 "Make \"-iconic\" SWITCH apply only to the initial frame."
164 (push '(visibility . icon) initial-frame-alist))
166 (defun x-handle-xrm-switch (switch)
167 "Handle the \"-xrm\" SWITCH."
168 (or (consp x-invocation-args)
169 (error "%s: missing argument to `%s' option" (invocation-name) switch))
170 (setq x-command-line-resources
171 (if (null x-command-line-resources)
172 (car x-invocation-args)
173 (concat x-command-line-resources "\n" (car x-invocation-args))))
174 (setq x-invocation-args (cdr x-invocation-args)))
176 (defun x-handle-geometry (switch)
177 "Handle the \"-geometry\" SWITCH."
178 (let* ((geo (x-parse-geometry (car x-invocation-args)))
179 (left (assq 'left geo))
180 (top (assq 'top geo))
181 (height (assq 'height geo))
182 (width (assq 'width geo)))
183 (if (or height width)
184 (setq default-frame-alist
185 (append default-frame-alist
187 (if height (list height))
188 (if width (list width)))
190 (append initial-frame-alist
192 (if height (list height))
193 (if width (list width)))))
195 (setq initial-frame-alist
196 (append initial-frame-alist
197 '((user-position . t))
198 (if left (list left))
199 (if top (list top)))))
200 (setq x-invocation-args (cdr x-invocation-args))))
202 (defun x-handle-name-switch (switch)
203 "Handle a \"-name\" SWITCH."
204 ;; Handle the -name option. Set the variable x-resource-name
205 ;; to the option's operand; set the name of the initial frame, too.
206 (or (consp x-invocation-args)
207 (error "%s: missing argument to `%s' option" (invocation-name) switch))
208 (setq x-resource-name (pop x-invocation-args))
209 (push (cons 'name x-resource-name) initial-frame-alist))
211 (defvar x-display-name nil
212 "The display name specifying server and frame.")
214 (defun x-handle-display (switch)
215 "Handle the \"-display\" SWITCH."
216 (setq x-display-name (pop x-invocation-args)))
218 (defun x-handle-args (args)
219 "Process the X-related command line options in ARGS.
220 This is done before the user's startup file is loaded. They are copied to
221 `x-invocation args' from which the X-related things are extracted, first
222 the switch (e.g., \"-fg\") in the following code, and possible values
223 \(e.g., \"black\") in the option handler code (e.g., x-handle-switch).
224 This returns ARGS with the arguments that have been processed removed."
225 ;; We use ARGS to accumulate the args that we don't handle here, to return.
226 (setq x-invocation-args args
228 (while (and x-invocation-args
229 (not (equal (car x-invocation-args) "--")))
230 (let* ((this-switch (car x-invocation-args))
231 (orig-this-switch this-switch)
232 completion argval aelt handler)
233 (setq x-invocation-args (cdr x-invocation-args))
234 ;; Check for long options with attached arguments
235 ;; and separate out the attached option argument into argval.
236 (if (string-match "^--[^=]*=" this-switch)
237 (setq argval (substring this-switch (match-end 0))
238 this-switch (substring this-switch 0 (1- (match-end 0)))))
239 ;; Complete names of long options.
240 (if (string-match "^--" this-switch)
242 (setq completion (try-completion this-switch command-line-x-option-alist))
243 (if (eq completion t)
244 ;; Exact match for long option.
246 (if (stringp completion)
247 (let ((elt (assoc completion command-line-x-option-alist)))
248 ;; Check for abbreviated long option.
250 (error "Option `%s' is ambiguous" this-switch))
251 (setq this-switch completion))))))
252 (setq aelt (assoc this-switch command-line-x-option-alist))
253 (if aelt (setq handler (nth 2 aelt)))
256 (let ((x-invocation-args
257 (cons argval x-invocation-args)))
258 (funcall handler this-switch))
259 (funcall handler this-switch))
260 (push orig-this-switch args))))
261 (nconc (nreverse args) x-invocation-args))
267 (defvar x-colors '("LightGreen"
866 "LightGoldenrodYellow"
867 "light goldenrod yellow"
884 "medium spring green"
1019 "The list of X colors from the `rgb.txt' file.
1020 XConsortium: rgb.txt,v 10.41 94/02/20 18:39:36 rws Exp")
1022 (defun xw-defined-colors (&optional frame)
1023 "Internal function called by `defined-colors', which see."
1024 (or frame (setq frame (selected-frame)))
1025 (let ((defined-colors nil))
1026 (dolist (this-color (or (mapcar 'car w32-color-map) x-colors))
1027 (and (color-supported-p this-color frame t)
1028 (push this-color defined-colors)))
1034 ;;; make f10 activate the real menubar rather than the mini-buffer menu
1035 ;;; navigation feature.
1036 (global-set-key [f10] (lambda ()
1037 (interactive) (w32-send-sys-command ?\xf100)))
1039 (substitute-key-definition 'suspend-emacs 'iconify-or-deiconify-frame
1042 (define-key function-key-map [S-tab] [backtab])
1045 ;;; Do the actual Windows setup here; the above code just defines
1046 ;;; functions and variables that we use now.
1048 (setq command-line-args (x-handle-args command-line-args))
1050 ;;; Make sure we have a valid resource name.
1051 (or (stringp x-resource-name)
1052 (setq x-resource-name
1053 ;; Change any . or * characters in x-resource-name to hyphens,
1054 ;; so as not to choke when we use it in X resource queries.
1055 (replace-regexp-in-string "[.*]" "-" (invocation-name))))
1057 ;; For the benefit of older Emacses (19.27 and earlier) that are sharing
1058 ;; the same lisp directory, don't pass the third argument unless we seem
1059 ;; to have the multi-display support.
1060 (if (fboundp 'x-close-connection)
1061 (x-open-connection ""
1062 x-command-line-resources
1063 ;; Exit Emacs with fatal error if this fails.
1065 (x-open-connection ""
1066 x-command-line-resources))
1068 (setq frame-creation-function 'x-create-frame-with-faces)
1070 (setq x-cut-buffer-max (min (- (/ (x-server-max-request-size) 2) 100)
1073 ;; W32 expects the menu bar cut and paste commands to use the clipboard.
1074 ;; This has ,? to match both on Sunos and on Solaris.
1075 (menu-bar-enable-clipboard)
1077 ;; W32 systems have different fonts than commonly found on X, so
1078 ;; we define our own standard fontset here.
1079 (defvar w32-standard-fontset-spec
1080 "-*-Courier New-normal-r-*-*-13-*-*-*-c-*-fontset-standard"
1081 "String of fontset spec of the standard fontset.
1082 This defines a fontset consisting of the Courier New variations for
1083 European languages which are distributed with Windows as
1084 \"Multilanguage Support\".
1086 See the documentation of `create-fontset-from-fontset-spec for the format.")
1088 ;; Conditional on new-fontset so bootstrapping works on non-GUI compiles
1089 (if (fboundp 'new-fontset)
1091 ;; Setup the default fontset.
1092 (setup-default-fontset)
1093 ;; Create the standard fontset.
1094 (create-fontset-from-fontset-spec w32-standard-fontset-spec t)
1095 ;; Create fontset specified in X resources "Fontset-N" (N is 0, 1,...).
1096 (create-fontset-from-x-resource)
1097 ;; Try to create a fontset from a font specification which comes
1098 ;; from initial-frame-alist, default-frame-alist, or X resource.
1099 ;; A font specification in command line argument (i.e. -fn XXXX)
1100 ;; should be already in default-frame-alist as a `font'
1101 ;; parameter. However, any font specifications in site-start
1102 ;; library, user's init file (.emacs), and default.el are not
1103 ;; yet handled here.
1105 (let ((font (or (cdr (assq 'font initial-frame-alist))
1106 (cdr (assq 'font default-frame-alist))
1107 (x-get-resource "font" "Font")))
1108 xlfd-fields resolved-name)
1110 (not (query-fontset font))
1111 (setq resolved-name (x-resolve-font-name font))
1112 (setq xlfd-fields (x-decompose-font-name font)))
1113 (if (string= "fontset"
1114 (aref xlfd-fields xlfd-regexp-registry-subnum))
1116 (x-complement-fontset-spec xlfd-fields nil))
1117 ;; Create a fontset from FONT. The fontset name is
1118 ;; generated from FONT.
1119 (create-fontset-from-ascii-font font
1120 resolved-name "startup"))))))
1122 ;; Apply a geometry resource to the initial frame. Put it at the end
1123 ;; of the alist, so that anything specified on the command line takes
1125 (let* ((res-geometry (x-get-resource "geometry" "Geometry"))
1129 (setq parsed (x-parse-geometry res-geometry))
1130 ;; If the resource specifies a position,
1131 ;; call the position and size "user-specified".
1132 (if (or (assq 'top parsed) (assq 'left parsed))
1133 (setq parsed (cons '(user-position . t)
1134 (cons '(user-size . t) parsed))))
1135 ;; All geometry parms apply to the initial frame.
1136 (setq initial-frame-alist (append initial-frame-alist parsed))
1137 ;; The size parms apply to all frames.
1138 (if (assq 'height parsed)
1139 (push (cons 'height (cdr (assq 'height parsed)))
1140 default-frame-alist))
1141 (if (assq 'width parsed)
1142 (push (cons 'width (cdr (assq 'width parsed)))
1143 default-frame-alist)))))
1145 ;; Check the reverseVideo resource.
1146 (let ((case-fold-search t))
1147 (let ((rv (x-get-resource "reverseVideo" "ReverseVideo")))
1148 (if (and rv (string-match "^\\(true\\|yes\\|on\\)$" rv))
1149 (push '(reverse . t) default-frame-alist))))
1151 (defun x-win-suspend-error ()
1152 "Report an error when a suspend is attempted."
1153 (error "Suspending an Emacs running under W32 makes no sense"))
1154 (add-hook 'suspend-hook 'x-win-suspend-error)
1156 ;;; Turn off window-splitting optimization; w32 is usually fast enough
1157 ;;; that this is only annoying.
1158 (setq split-window-keep-point t)
1160 ;; Don't show the frame name; that's redundant.
1161 (setq-default mode-line-frame-identification " ")
1163 ;;; Set to a system sound if you want a fancy bell.
1164 (set-message-beep 'ok)
1166 ;; Remap some functions to call w32 common dialogs
1168 (defun internal-face-interactive (what &optional bool)
1169 (let* ((fn (intern (concat "face-" what)))
1170 (prompt (concat "Set " what " of face "))
1171 (face (read-face-name prompt))
1172 (default (if (fboundp fn)
1173 (or (funcall fn face (selected-frame))
1174 (funcall fn 'default (selected-frame)))))
1175 (fn-win (intern (concat (symbol-name window-system) "-select-" what)))
1178 (cond ((fboundp fn-win)
1181 (completing-read (concat prompt " " (symbol-name face) " to: ")
1182 (mapcar (function (lambda (color)
1183 (cons color color)))
1185 nil nil nil nil default))
1187 (y-or-n-p (concat "Should face " (symbol-name face)
1190 (read-string (concat prompt " " (symbol-name face) " to: ")
1192 (list face (if (equal value "") nil value))))
1194 ;;; Enable Japanese fonts on Windows to be used by default.
1195 (set-fontset-font nil (make-char 'katakana-jisx0201) '("*" . "JISX0208-SJIS"))
1196 (set-fontset-font nil (make-char 'latin-jisx0201) '("*" . "JISX0208-SJIS"))
1197 (set-fontset-font nil (make-char 'japanese-jisx0208) '("*" . "JISX0208-SJIS"))
1198 (set-fontset-font nil (make-char 'japanese-jisx0208-1978) '("*" . "JISX0208-SJIS"))
1200 (defun mouse-set-font (&rest fonts)
1202 If `w32-use-w32-font-dialog' is non-nil (the default), use the Windows
1203 font dialog to get the matching FONTS. Otherwise use a pop-up menu
1204 \(like Emacs on other platforms) initialized with the fonts in
1205 `w32-fixed-font-alist'."
1207 (if w32-use-w32-font-dialog
1208 (let ((chosen-font (w32-select-font (selected-frame)
1209 w32-list-proportional-fonts)))
1210 (and chosen-font (list chosen-font)))
1213 ;; Append list of fontsets currently defined.
1214 ;; Conditional on new-fontset so bootstrapping works on non-GUI compiles
1215 (if (fboundp 'new-fontset)
1216 (append w32-fixed-font-alist (list (generate-fontset-menu)))))))
1222 (setq font (car fonts))
1223 (set-default-font font)
1225 (error (setq fonts (cdr fonts)))))
1227 (error "Font not found")))))
1229 ;;; Set default known names for image libraries
1230 (setq image-library-alist
1231 '((xpm "xpm4.dll" "libXpm-nox4.dll" "libxpm.dll")
1232 (png "libpng13d.dll" "libpng13.dll" "libpng12d.dll" "libpng12.dll" "libpng.dll")
1233 (jpeg "jpeg62.dll" "libjpeg.dll" "jpeg-62.dll" "jpeg.dll")
1234 (tiff "libtiff3.dll" "libtiff.dll")
1235 (gif "libungif.dll")))
1237 ;; arch-tag: 69fb1701-28c2-4890-b351-3d1fe4b4f166
1238 ;;; w32-win.el ends here