1 ;;; gtk-faces.el --- GTK-specific face frobnication, aka black magic.
3 ;; Copyright (C) 1992-4, 1997 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995, 1996 Ben Wing.
5 ;; Copyright (c) 2000 William Perry
7 ;; Author: William M. Perry <wmperry@gnu.org>
8 ;; Maintainer: XEmacs Development Team
9 ;; Keywords: extensions, internal, dumped
11 ;; This file is part of SXEmacs.
13 ;; SXEmacs is free software: you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation, either version 3 of the License, or
16 ;; (at your option) any later version.
18 ;; SXEmacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with this program. If not, see <http://www.gnu.org/licenses/>.
26 ;;; Synched up with: Not synched.
30 ;; This file is dumped with SXEmacs (when GTK support is compiled in).
32 (globally-declare-fboundp
34 gtk-font-selection-dialog-new
35 gtk-widget-set-sensitive gtk-font-selection-dialog-apply-button
36 gtk-signal-connect gtk-main-quit
37 gtk-font-selection-dialog-ok-button
38 gtk-font-selection-dialog-get-font-name gtk-widget-destroy
39 font-menu-set-font font-family font-size
40 gtk-font-selection-dialog-cancel-button gtk-widget-show-all
41 gtk-main gtk-style-info))
43 (defun gtk-init-find-device ()
45 (devices (device-list)))
46 (while (and (not dev) devices)
47 (if (eq (device-type (car devices)) 'gtk)
48 (setq dev (car devices)))
49 (setq devices (cdr devices)))
52 ;;; gtk-init-device-faces is responsible for initializing default
53 ;;; values for faces on a newly created device.
55 (defun gtk-init-device-faces (device)
57 ;; If the "default" face didn't have a font specified, try to pick one.
59 (if (not (eq (device-type device) 'gtk))
62 (let* ((style (gtk-style-info device))
63 ;;(normal 0) ; GTK_STATE_NORMAL
64 ;;(active 1) ; GTK_STATE_ACTIVE
65 (prelight 2) ; GTK_STATE_PRELIGHT
66 (selected 3) ; GTK_STATE_SELECTED
67 ;;(insensitive 4) ; GTK_STATE_INSENSITIVE
69 (set-face-foreground 'highlight
70 (nth prelight (plist-get style 'text))
72 (set-face-background 'highlight
73 (nth prelight (plist-get style 'background))
75 (set-face-foreground 'zmacs-region
76 (nth selected (plist-get style 'text))
78 (set-face-background 'zmacs-region
79 (nth selected (plist-get style 'background))
81 (set-face-background 'text-cursor "red3" device)))
83 ;;; This is called from `init-frame-faces', which is called from
84 ;;; init_frame_faces() which is called from Fmake_frame(), to perform
85 ;;; any device-specific initialization.
87 (defun gtk-init-frame-faces (frame)
90 ;;; gtk-init-global-faces is responsible for ensuring that the
91 ;;; default face has some reasonable fallbacks if nothing else is
94 (defun gtk-init-global-faces ()
95 (let* ((dev (gtk-init-find-device))
96 (default-font (or (face-font 'default 'global)
97 ;(plist-get (gtk-style-info dev) 'font)
98 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*"))
99 (italic-font (or (gtk-make-font-italic default-font dev) default-font))
100 (bold-font (or (gtk-make-font-bold default-font dev) default-font))
101 (bi-font (or (gtk-make-font-bold-italic default-font dev) default-font)))
103 (or (face-font 'default 'global)
104 (set-face-font 'default default-font 'global '(gtk default)))
106 (or (face-font 'bold 'global)
107 (set-face-font 'bold bold-font 'global '(gtk default)))
109 (or (face-font 'bold-italic 'global)
110 (set-face-font 'bold-italic bi-font 'global '(gtk default)))
112 (or (face-font 'italic 'global)
113 (set-face-font 'italic italic-font 'global '(gtk default)))))
116 ;;; Lots of this stolen from x-faces.el
117 (defconst gtk-font-regexp nil)
118 (defconst gtk-font-regexp-head nil)
119 (defconst gtk-font-regexp-head-2 nil)
120 (defconst gtk-font-regexp-weight nil)
121 (defconst gtk-font-regexp-slant nil)
122 (defconst gtk-font-regexp-pixel nil)
123 (defconst gtk-font-regexp-point nil)
124 (defconst gtk-font-regexp-foundry-and-family nil)
125 (defconst gtk-font-regexp-registry-and-encoding nil)
126 (defconst gtk-font-regexp-spacing nil)
128 ;;; Regexps matching font names in "Host Portable Character Representation."
133 (weight #r"\(bold\|demibold\|medium\|black\)") ; 1
134 ; (weight\? "\\(\\*\\|bold\\|demibold\\|medium\\|\\)") ; 1
135 (weight\? #r"\([^-]*\)") ; 1
136 (slant #r"\([ior]\)") ; 2
137 ; (slant\? "\\([ior?*]?\\)") ; 2
138 (slant\? #r"\([^-]?\)") ; 2
139 ; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3
140 (swidth #r"\([^-]*\)") ; 3
141 ; (adstyle "\\(\\*\\|sans\\|\\)") ; 4
142 (adstyle #r"\([^-]*\)") ; 4
143 (pixelsize #r"\(\*\|[0-9]+\)") ; 5
144 (pointsize #r"\(\*\|0\|[0-9][0-9]+\)") ; 6
145 ; (resx "\\(\\*\\|[0-9][0-9]+\\)") ; 7
146 ; (resy "\\(\\*\\|[0-9][0-9]+\\)") ; 8
147 (resx #r"\([*0]\|[0-9][0-9]+\)") ; 7
148 (resy #r"\([*0]\|[0-9][0-9]+\)") ; 8
150 (avgwidth #r"\(\*\|[0-9]+\)") ; 9
151 (registry "[^-]*") ; some fonts have omitted registries
152 ; (encoding ".+") ; note that encoding may contain "-"...
153 (encoding "[^-]+") ; false!
155 (setq gtk-font-regexp
157 (concat #r"\`\*?[-?*]"
158 foundry - family - weight\? - slant\? - swidth - adstyle -
159 pixelsize - pointsize - resx - resy - spacing - avgwidth -
160 registry - encoding "\\'"
162 (setq gtk-font-regexp-head
164 (concat "\\`[-?*]" foundry - family - weight\? - slant\?
166 (setq gtk-font-regexp-head-2
168 (concat "\\`[-?*]" foundry - family - weight\? - slant\?
169 - swidth - adstyle - pixelsize - pointsize
171 (setq gtk-font-regexp-slant (purecopy (concat - slant -)))
172 (setq gtk-font-regexp-weight (purecopy (concat - weight -)))
173 ;; if we can't match any of the more specific regexps (unfortunate) then
174 ;; look for digits; assume 2+ digits is 10ths of points, and 1-2 digits
175 ;; is pixels. Bogus as hell.
176 (setq gtk-font-regexp-pixel (purecopy #r"[-?*]\([0-9][0-9]?\)[-?*]"))
177 (setq gtk-font-regexp-point (purecopy #r"[-?*]\([0-9][0-9]+\)[-?*]"))
178 ;; the following two are used by x-font-menu.el.
179 (setq gtk-font-regexp-foundry-and-family
180 (purecopy (concat "\\`[-?*]" foundry - "\\(" family "\\)" -)))
181 (setq gtk-font-regexp-registry-and-encoding
182 (purecopy (concat - "\\(" registry "\\)" - "\\(" encoding "\\)\\'")))
183 (setq gtk-font-regexp-spacing
184 (purecopy (concat - "\\(" spacing "\\)" - avgwidth
185 - registry - encoding "\\'")))
188 (defvaralias 'x-font-regexp 'gtk-font-regexp)
189 (defvaralias 'x-font-regexp-head 'gtk-font-regexp-head)
190 (defvaralias 'x-font-regexp-head-2 'gtk-font-regexp-head-2)
191 (defvaralias 'x-font-regexp-weight 'gtk-font-regexp-weight)
192 (defvaralias 'x-font-regexp-slant 'gtk-font-regexp-slant)
193 (defvaralias 'x-font-regexp-pixel 'gtk-font-regexp-pixel)
194 (defvaralias 'x-font-regexp-point 'gtk-font-regexp-point)
195 (defvaralias 'x-font-regexp-foundry-and-family 'gtk-font-regexp-foundry-and-family)
196 (defvaralias 'x-font-regexp-registry-and-encoding 'gtk-font-regexp-registry-and-encoding)
197 (defvaralias 'x-font-regexp-spacing 'gtk-font-regexp-spacing)
199 (defun gtk-frob-font-weight (font which)
200 (if (font-instance-p font) (setq font (font-instance-name font)))
201 (cond ((null font) nil)
202 ((or (string-match gtk-font-regexp font)
203 (string-match gtk-font-regexp-head font)
204 (string-match gtk-font-regexp-weight font))
205 (concat (substring font 0 (match-beginning 1)) which
206 (substring font (match-end 1))))
209 (defun gtk-frob-font-slant (font which)
210 (if (font-instance-p font) (setq font (font-instance-name font)))
211 (cond ((null font) nil)
212 ((or (string-match gtk-font-regexp font)
213 (string-match gtk-font-regexp-head font))
214 (concat (substring font 0 (match-beginning 2)) which
215 (substring font (match-end 2))))
216 ((string-match gtk-font-regexp-slant font)
217 (concat (substring font 0 (match-beginning 1)) which
218 (substring font (match-end 1))))
221 (defun gtk-make-font-bold (font &optional device)
222 (or (try-font-name (gtk-frob-font-weight font "bold") device)
223 (try-font-name (gtk-frob-font-weight font "black") device)
224 (try-font-name (gtk-frob-font-weight font "demibold") device)))
226 (defun gtk-make-font-unbold (font &optional device)
227 (try-font-name (gtk-frob-font-weight font "medium") device))
229 (defcustom try-oblique-before-italic-fonts t
230 "*If nil, italic fonts are searched before oblique fonts.
231 If non-nil, oblique fonts are tried before italic fonts. This is mostly
232 applicable to adobe-courier fonts"
234 :tag "Try Oblique Before Italic Fonts"
237 (defun gtk-make-font-italic (font &optional device)
238 (if try-oblique-before-italic-fonts
239 (or (try-font-name (gtk-frob-font-slant font "o") device)
240 (try-font-name (gtk-frob-font-slant font "i") device))
241 (or (try-font-name (gtk-frob-font-slant font "i") device)
242 (try-font-name (gtk-frob-font-slant font "o") device))))
244 (defun gtk-make-font-unitalic (font &optional device)
245 (try-font-name (gtk-frob-font-slant font "r") device))
247 (defun gtk-make-font-bold-italic (font &optional device)
248 (if try-oblique-before-italic-fonts
250 (gtk-frob-font-slant (gtk-frob-font-weight font "bold") "o") device)
252 (gtk-frob-font-slant (gtk-frob-font-weight font "bold") "i") device)
254 (gtk-frob-font-slant (gtk-frob-font-weight font "black") "o") device)
256 (gtk-frob-font-slant (gtk-frob-font-weight font "black") "i") device)
258 (gtk-frob-font-slant (gtk-frob-font-weight font "demibold") "o") device)
260 (gtk-frob-font-slant (gtk-frob-font-weight font "demibold") "i") device))
262 (gtk-frob-font-slant (gtk-frob-font-weight font "bold") "i") device)
264 (gtk-frob-font-slant (gtk-frob-font-weight font "bold") "o") device)
266 (gtk-frob-font-slant (gtk-frob-font-weight font "black") "i") device)
268 (gtk-frob-font-slant (gtk-frob-font-weight font "black") "o") device)
270 (gtk-frob-font-slant (gtk-frob-font-weight font "demibold") "i") device)
272 (gtk-frob-font-slant (gtk-frob-font-weight font "demibold") "o") device))))
274 (eval-when-compile (defvar font-menu-this-frame-only-p))
276 (defun gtk-choose-font ()
278 (require 'x-font-menu)
280 (let ((locale (if font-menu-this-frame-only-p
284 (setq dialog (gtk-font-selection-dialog-new "Choose default font..."))
285 (put dialog 'modal t)
286 (put dialog 'type 'dialog)
288 (gtk-widget-set-sensitive (gtk-font-selection-dialog-apply-button dialog) nil)
289 (gtk-signal-connect dialog 'destroy (lambda (&rest ignored) (gtk-main-quit)))
290 (gtk-signal-connect (gtk-font-selection-dialog-ok-button dialog)
292 (lambda (button data)
293 (let* ((dialog (car data))
294 (font (font-create-object
295 (gtk-font-selection-dialog-get-font-name dialog))))
296 (gtk-widget-destroy dialog)
297 (font-menu-set-font (car (font-family font)) nil (* 10 (font-size font)))))
298 (cons dialog locale))
299 (gtk-signal-connect (gtk-font-selection-dialog-cancel-button dialog)
301 (lambda (button dialog)
302 (gtk-widget-destroy dialog)) dialog)
304 (gtk-widget-show-all dialog)