|
0
|
1 ;;; modeline.el --- modeline hackery.
|
|
|
2
|
|
201
|
3 ;; Copyright (C) 1988, 1992-1994, 1997 Free Software Foundation, Inc.
|
|
0
|
4 ;; Copyright (C) 1995, 1996 Ben Wing.
|
|
|
5
|
|
|
6 ;; This file is part of XEmacs.
|
|
|
7
|
|
|
8 ;; XEmacs is free software; you can redistribute it and/or modify it
|
|
|
9 ;; under the terms of the GNU General Public License as published by
|
|
|
10 ;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
11 ;; any later version.
|
|
|
12
|
|
|
13 ;; XEmacs is distributed in the hope that it will be useful, but
|
|
|
14 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
16 ;; General Public License for more details.
|
|
|
17
|
|
|
18 ;; You should have received a copy of the GNU General Public License
|
|
16
|
19 ;; along with XEmacs; see the file COPYING. If not, write to the
|
|
70
|
20 ;; Free Software Foundation, 59 Temple Place - Suite 330,
|
|
16
|
21 ;; Boston, MA 02111-1307, USA.
|
|
0
|
22
|
|
|
23 ;;; Synched up with: Not in FSF.
|
|
|
24
|
|
201
|
25 ;;; Commentary:
|
|
|
26
|
|
|
27 ;;; Code:
|
|
|
28
|
|
0
|
29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
30 ;;; General mouse modeline stuff ;;;
|
|
|
31 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
32
|
|
120
|
33 (defgroup modeline nil
|
|
|
34 "Modeline customizations"
|
|
|
35 :group 'environment)
|
|
0
|
36
|
|
120
|
37 (defcustom drag-modeline-event-lag 150
|
|
|
38 "*The pause (in msecs) between drag modeline events before redisplaying.
|
|
|
39 If this value is too small, dragging will be choppy because redisplay cannot
|
|
|
40 keep up. If it is too large, dragging will be choppy because of the explicit
|
|
|
41 redisplay delay specified."
|
|
|
42 :type 'integer
|
|
|
43 :group 'modeline)
|
|
|
44
|
|
|
45 (defcustom modeline-click-swaps-buffers nil
|
|
0
|
46 "*If non-nil, clicking on the modeline changes the current buffer.
|
|
|
47 Click on the left half of the modeline cycles forward through the
|
|
120
|
48 buffer list and clicking on the right half cycles backward."
|
|
|
49 :type 'boolean
|
|
|
50 :group 'modeline)
|
|
0
|
51
|
|
|
52 (defun mouse-drag-modeline (event)
|
|
149
|
53 "Resize a window by dragging its modeline.
|
|
|
54 This command should be bound to a button-press event in modeline-map.
|
|
|
55 Holding down a mouse button and moving the mouse up and down will
|
|
|
56 make the clicked-on window taller or shorter."
|
|
0
|
57 (interactive "e")
|
|
|
58 (or (button-press-event-p event)
|
|
|
59 (error "%s must be invoked by a mouse-press" this-command))
|
|
|
60 (or (event-over-modeline-p event)
|
|
|
61 (error "not over a modeline"))
|
|
149
|
62 (let ((done nil)
|
|
|
63 (depress-line (event-y event))
|
|
|
64 (start-event-frame (event-frame event))
|
|
|
65 (start-event-window (event-window event))
|
|
|
66 (start-nwindows (count-windows t))
|
|
|
67 (last-timestamp 0)
|
|
|
68 default-line-height
|
|
|
69 modeline-height
|
|
|
70 should-enlarge-minibuffer
|
|
|
71 event min-height minibuffer y top bot edges wconfig growth)
|
|
|
72 (setq minibuffer (minibuffer-window start-event-frame)
|
|
|
73 default-line-height (face-height 'default start-event-window)
|
|
|
74 min-height (* window-min-height default-line-height)
|
|
|
75 modeline-height
|
|
|
76 (if (specifier-instance has-modeline-p start-event-window)
|
|
|
77 (+ (face-height 'modeline start-event-window)
|
|
|
78 (* 2 (specifier-instance modeline-shadow-thickness
|
|
|
79 start-event-window)))
|
|
|
80 (* 2 (specifier-instance modeline-shadow-thickness
|
|
|
81 start-event-window))))
|
|
|
82 (if (not (eq (window-frame minibuffer) start-event-frame))
|
|
|
83 (setq minibuffer nil))
|
|
|
84 (if (and (null minibuffer) (one-window-p t))
|
|
|
85 (error "Attempt to resize sole window"))
|
|
|
86 ;; if this is the bottommost ordinary window, then to
|
|
|
87 ;; move its modeline the minibuffer must be enlarged.
|
|
|
88 (setq should-enlarge-minibuffer
|
|
|
89 (and minibuffer (window-lowest-p start-event-window)))
|
|
|
90 ;; loop reading events
|
|
|
91 (while (not done)
|
|
0
|
92 (setq event (next-event event))
|
|
149
|
93 ;; requeue event and quit if this is a misc-user, eval or
|
|
|
94 ;; keypress event.
|
|
|
95 ;; quit if this is a button press or release event, or if the event
|
|
|
96 ;; occurred in some other frame.
|
|
|
97 ;; drag if this is a mouse motion event and the time
|
|
|
98 ;; between this event and the last event is greater than
|
|
|
99 ;; drag-modeline-event-lag.
|
|
|
100 ;; do nothing if this is any other kind of event.
|
|
|
101 (cond ((or (misc-user-event-p event)
|
|
173
|
102 (key-press-event-p event))
|
|
149
|
103 (setq unread-command-events (nconc unread-command-events
|
|
|
104 (list event))
|
|
|
105 done t))
|
|
0
|
106 ((button-release-event-p event)
|
|
149
|
107 (setq done t)
|
|
0
|
108 (if modeline-click-swaps-buffers
|
|
|
109 (mouse-release-modeline event depress-line)))
|
|
149
|
110 ((button-event-p event)
|
|
|
111 (setq done t))
|
|
|
112 ((timeout-event-p event)
|
|
|
113 nil)
|
|
|
114 ((not (motion-event-p event))
|
|
|
115 (dispatch-event event))
|
|
|
116 ((not (eq start-event-frame (event-frame event)))
|
|
|
117 (setq done t))
|
|
|
118 ((< (abs (- (event-timestamp event) last-timestamp))
|
|
|
119 drag-modeline-event-lag)
|
|
|
120 nil)
|
|
0
|
121 (t
|
|
149
|
122 (setq last-timestamp (event-timestamp event)
|
|
|
123 y (event-y-pixel event)
|
|
|
124 edges (window-pixel-edges start-event-window)
|
|
|
125 top (nth 1 edges)
|
|
|
126 bot (nth 3 edges))
|
|
|
127 ;; scale back a move that would make the
|
|
|
128 ;; window too short.
|
|
|
129 (cond ((< (- y top (- modeline-height)) min-height)
|
|
|
130 (setq y (+ top min-height (- modeline-height)))))
|
|
|
131 ;; compute size change needed
|
|
|
132 (setq growth (- y bot (/ (- modeline-height) 2))
|
|
|
133 wconfig (current-window-configuration))
|
|
|
134 ;; grow/shrink minibuffer?
|
|
|
135 (if should-enlarge-minibuffer
|
|
|
136 (progn
|
|
|
137 ;; yes. scale back shrinkage if it
|
|
|
138 ;; would make the minibuffer less than 1
|
|
|
139 ;; line tall.
|
|
|
140 ;;
|
|
|
141 ;; also flip the sign of the computed growth,
|
|
|
142 ;; since if we want to grow the window with the
|
|
|
143 ;; modeline we need to shrink the minibuffer
|
|
|
144 ;; and vice versa.
|
|
|
145 (if (and (> growth 0)
|
|
|
146 (< (- (window-pixel-height minibuffer)
|
|
|
147 growth)
|
|
|
148 default-line-height))
|
|
|
149 (setq growth
|
|
|
150 (- (window-pixel-height minibuffer)
|
|
|
151 default-line-height)))
|
|
|
152 (setq growth (- growth))))
|
|
|
153 ;; window grow and shrink by lines not pixels, so
|
|
|
154 ;; divide the pixel height by the height of the
|
|
|
155 ;; default face.
|
|
|
156 (setq growth (/ growth default-line-height))
|
|
|
157 ;; grow/shrink the window
|
|
|
158 (enlarge-window growth nil (if should-enlarge-minibuffer
|
|
|
159 minibuffer
|
|
|
160 start-event-window))
|
|
|
161 ;; if this window's growth caused another
|
|
|
162 ;; window to be deleted because it was too
|
|
|
163 ;; short, rescind the change.
|
|
|
164 ;;
|
|
|
165 ;; if size change caused space to be stolen
|
|
|
166 ;; from a window above this one, rescind the
|
|
|
167 ;; change, but only if we didn't grow/shrink
|
|
|
168 ;; the minibuffer. minibuffer size changes
|
|
|
169 ;; can cause all windows to shrink... no way
|
|
|
170 ;; around it.
|
|
|
171 (if (or (/= start-nwindows (count-windows t))
|
|
|
172 (and (not should-enlarge-minibuffer)
|
|
|
173 (/= top (nth 1 (window-pixel-edges
|
|
|
174 start-event-window)))))
|
|
|
175 (set-window-configuration wconfig)))))))
|
|
0
|
176
|
|
|
177 ;; from Bob Weiner (bob_weiner@pts.mot.com)
|
|
|
178 (defun mouse-release-modeline (event line-num)
|
|
|
179 "Handle modeline click EVENT on LINE-NUM by switching buffers.
|
|
|
180 If click on left half of a frame's modeline, bury current buffer.
|
|
|
181 If click on right half of a frame's modeline, raise bottommost buffer.
|
|
|
182 Args are: EVENT, the mouse release event, and LINE-NUM, the line number
|
|
|
183 within the frame at which the mouse was first depressed."
|
|
|
184 (if (= line-num (event-y event))
|
|
|
185 ;; Button press and release are at same line, treat this as
|
|
|
186 ;; a click and switch buffers.
|
|
|
187 (if (< (event-x event) (/ (window-width (event-window event)) 2))
|
|
|
188 ;; On left half of modeline, bury current buffer,
|
|
|
189 ;; displaying second buffer on list.
|
|
|
190 (mouse-bury-buffer event)
|
|
|
191 ;; On right half of modeline, raise and display bottommost
|
|
|
192 ;; buffer in buffer list.
|
|
|
193 (mouse-unbury-buffer event))))
|
|
|
194
|
|
|
195 (defconst modeline-menu
|
|
|
196 '("Window Commands"
|
|
|
197 ["Delete Window Above" delete-window t]
|
|
|
198 ["Delete Other Windows" delete-other-windows t]
|
|
|
199 ["Split Window Above" split-window-vertically t]
|
|
|
200 ["Split Window Horizontally" split-window-horizontally t]
|
|
|
201 ["Balance Windows" balance-windows t]
|
|
|
202 ))
|
|
|
203
|
|
|
204 (defun modeline-menu (event)
|
|
|
205 (interactive "e")
|
|
|
206 (popup-menu-and-execute-in-window
|
|
|
207 (cons (format "Window Commands for %S:"
|
|
|
208 (buffer-name (event-buffer event)))
|
|
|
209 (cdr modeline-menu))
|
|
|
210 event))
|
|
|
211
|
|
|
212 (defvar modeline-map (make-sparse-keymap 'modeline-map)
|
|
|
213 "Keymap consulted for mouse-clicks on the modeline of a window.
|
|
|
214 This variable may be buffer-local; its value will be looked up in
|
|
|
215 the buffer of the window whose modeline was clicked upon.")
|
|
|
216
|
|
|
217 (define-key modeline-map 'button1 'mouse-drag-modeline)
|
|
|
218 ;; button2 selects the window without setting point
|
|
|
219 (define-key modeline-map 'button2 (lambda () (interactive "@")))
|
|
|
220 (define-key modeline-map 'button3 'modeline-menu)
|
|
|
221
|
|
|
222 (make-face 'modeline-mousable "Face for mousable portions of the modeline.")
|
|
197
|
223 (set-face-parent 'modeline-mousable 'modeline)
|
|
|
224 (when (featurep 'x)
|
|
|
225 (set-face-foreground 'modeline-mousable "firebrick" 'global '(color x))
|
|
|
226 (set-face-font 'modeline-mousable [bold] nil '(mono x))
|
|
|
227 (set-face-font 'modeline-mousable [bold] nil '(grayscale x)))
|
|
0
|
228
|
|
|
229 (defmacro make-modeline-command-wrapper (command)
|
|
|
230 `#'(lambda (event)
|
|
|
231 (interactive "e")
|
|
|
232 (save-selected-window
|
|
|
233 (select-window (event-window event))
|
|
|
234 (call-interactively ',(eval command)))))
|
|
|
235
|
|
|
236 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
237 ;;; Minor modes ;;;
|
|
|
238 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
239
|
|
|
240 (defvar minor-mode-alist nil
|
|
|
241 "Alist saying how to show minor modes in the modeline.
|
|
|
242 Each element looks like (VARIABLE STRING);
|
|
|
243 STRING is included in the modeline iff VARIABLE's value is non-nil.
|
|
|
244
|
|
|
245 Actually, STRING need not be a string; any possible modeline element
|
|
|
246 is okay. See `modeline-format'.")
|
|
|
247
|
|
|
248 ;; Used by C code (lookup-key and friends) but defined here.
|
|
|
249 (defvar minor-mode-map-alist nil
|
|
|
250 "Alist of keymaps to use for minor modes.
|
|
|
251 Each element looks like (VARIABLE . KEYMAP); KEYMAP is used to read
|
|
|
252 key sequences and look up bindings iff VARIABLE's value is non-nil.
|
|
|
253 If two active keymaps bind the same key, the keymap appearing earlier
|
|
|
254 in the list takes precedence.")
|
|
|
255
|
|
|
256 (make-face 'modeline-mousable-minor-mode
|
|
|
257 "Face for mousable minor-mode strings in the modeline.")
|
|
197
|
258 (set-face-parent 'modeline-mousable-minor-mode 'modeline-mousable)
|
|
|
259 (when (featurep 'x)
|
|
|
260 (set-face-foreground 'modeline-mousable-minor-mode
|
|
|
261 '(((color x) . "green4")
|
|
|
262 ((color x) . "forestgreen")) 'global))
|
|
0
|
263
|
|
|
264 (defvar modeline-mousable-minor-mode-extent (make-extent nil nil)
|
|
|
265 ;; alliteration at its finest.
|
|
|
266 "Extent managing the mousable minor mode modeline strings.")
|
|
|
267 (set-extent-face modeline-mousable-minor-mode-extent
|
|
|
268 'modeline-mousable-minor-mode)
|
|
|
269
|
|
|
270 ;; This replaces the idiom
|
|
|
271 ;;
|
|
|
272 ;; (or (assq 'isearch-mode minor-mode-alist)
|
|
|
273 ;; (setq minor-mode-alist
|
|
|
274 ;; (purecopy
|
|
|
275 ;; (append minor-mode-alist
|
|
|
276 ;; '((isearch-mode isearch-mode))))))
|
|
|
277
|
|
197
|
278 (defvar place)
|
|
0
|
279 (defun add-minor-mode (toggle name &optional keymap after toggle-fun)
|
|
|
280 "Add a minor mode to `minor-mode-alist' and `minor-mode-map-alist'.
|
|
|
281 TOGGLE is a symbol whose value as a variable specifies whether the
|
|
|
282 minor mode is active. NAME is the name that should appear in the
|
|
175
|
283 modeline (it should either be a string beginning with a space or a
|
|
|
284 symbol). KEYMAP is a keymap to make active when the minor mode is
|
|
|
285 active. AFTER is the toggling symbol used for another minor mode. If
|
|
|
286 AFTER is non-nil, then it is used to position the new mode in the
|
|
|
287 minor-mode alists. TOGGLE-FUN specifies an interactive function that
|
|
|
288 is called to toggle the mode on and off; this affects what happens
|
|
|
289 when button2 is pressed on the mode, and when button3 is pressed
|
|
|
290 somewhere in the list of modes. If TOGGLE-FUN is nil and TOGGLE names
|
|
|
291 an interactive function, TOGGLE is used as the toggle function.
|
|
0
|
292
|
|
|
293 Example: (add-minor-mode 'view-minor-mode \" View\" view-mode-map)"
|
|
|
294 (let (el place
|
|
|
295 (add-elt #'(lambda (elt sym)
|
|
|
296 (cond ((null after) ; add to front
|
|
|
297 (set sym (cons elt (symbol-value sym))))
|
|
|
298 ((and (not (eq after t))
|
|
|
299 (setq place (memq (assq after
|
|
|
300 (symbol-value sym))
|
|
|
301 (symbol-value sym))))
|
|
|
302 (setq elt (cons elt (cdr place)))
|
|
|
303 (setcdr place elt))
|
|
|
304 (t
|
|
|
305 (set sym (append (symbol-value sym) (list elt))))
|
|
|
306 )
|
|
|
307 (symbol-value sym)))
|
|
|
308 toggle-keymap)
|
|
|
309 (if toggle-fun
|
|
|
310 (if (not (commandp toggle-fun))
|
|
|
311 (error "not an interactive function: %S" toggle-fun))
|
|
|
312 (if (commandp toggle)
|
|
|
313 (setq toggle-fun toggle)))
|
|
|
314 (if (and toggle-fun name)
|
|
|
315 (progn
|
|
|
316 (setq toggle-keymap (make-sparse-keymap
|
|
|
317 (intern (concat "modeline-minor-"
|
|
|
318 (symbol-name toggle)
|
|
|
319 "-map"))))
|
|
|
320 (define-key toggle-keymap 'button2
|
|
|
321 ;; defeat the DUMB-ASS byte-compiler, which tries to
|
|
|
322 ;; expand the macro at compile time and fucks up.
|
|
|
323 (eval '(make-modeline-command-wrapper toggle-fun)))
|
|
|
324 (put toggle 'modeline-toggle-function toggle-fun)))
|
|
|
325 (and name
|
|
|
326 (let ((hacked-name
|
|
|
327 (if toggle-keymap
|
|
|
328 (cons (let ((extent (make-extent nil nil)))
|
|
|
329 (set-extent-keymap extent toggle-keymap)
|
|
|
330 (set-extent-property
|
|
|
331 extent 'help-echo
|
|
|
332 (concat "button2 turns off "
|
|
|
333 (if (symbolp toggle-fun)
|
|
|
334 (symbol-name toggle-fun)
|
|
|
335 (symbol-name toggle))))
|
|
|
336 extent)
|
|
|
337 (cons
|
|
|
338 modeline-mousable-minor-mode-extent
|
|
|
339 name))
|
|
|
340 name)))
|
|
|
341 (if (setq el (assq toggle minor-mode-alist))
|
|
|
342 (setcdr el (list hacked-name))
|
|
|
343 (funcall add-elt
|
|
|
344 (list toggle hacked-name)
|
|
|
345 'minor-mode-alist))))
|
|
|
346 (and keymap
|
|
|
347 (if (setq el (assq toggle minor-mode-map-alist))
|
|
|
348 (setcdr el keymap)
|
|
|
349 (funcall add-elt
|
|
|
350 (cons toggle keymap)
|
|
|
351 'minor-mode-map-alist)))
|
|
|
352 ))
|
|
|
353
|
|
|
354 (add-minor-mode 'abbrev-mode " Abbrev")
|
|
|
355 (add-minor-mode 'overwrite-mode 'overwrite-mode)
|
|
|
356 (add-minor-mode 'auto-fill-function " Fill" nil nil 'auto-fill-mode)
|
|
|
357 ;; not really a minor mode...
|
|
|
358 (add-minor-mode 'defining-kbd-macro " Def")
|
|
|
359
|
|
|
360 (defun modeline-minor-mode-menu (event)
|
|
|
361 (interactive "e")
|
|
110
|
362 (save-excursion
|
|
|
363 (set-buffer (event-buffer event))
|
|
|
364 (popup-menu-and-execute-in-window
|
|
|
365 (cons (format "Minor Mode Commands for %S:"
|
|
|
366 (buffer-name (event-buffer event)))
|
|
|
367 (apply 'nconc
|
|
|
368 (mapcar
|
|
|
369 #'(lambda (x)
|
|
|
370 (let* ((toggle-sym (car x))
|
|
|
371 (toggle-fun
|
|
|
372 (or (get toggle-sym
|
|
|
373 'modeline-toggle-function)
|
|
|
374 (and (fboundp toggle-sym)
|
|
|
375 (commandp toggle-sym)
|
|
|
376 toggle-sym))))
|
|
|
377 (if (not toggle-fun) nil
|
|
|
378 (list (vector
|
|
|
379 (concat (if (and (boundp toggle-sym)
|
|
|
380 (symbol-value toggle-sym))
|
|
|
381 "turn off " "turn on ")
|
|
|
382 (if (symbolp toggle-fun)
|
|
|
383 (symbol-name toggle-fun)
|
|
|
384 (symbol-name toggle-sym)))
|
|
|
385
|
|
|
386 toggle-fun
|
|
|
387 t)))))
|
|
|
388 minor-mode-alist)))
|
|
|
389 event)))
|
|
0
|
390
|
|
|
391 (defvar modeline-minor-mode-map (make-sparse-keymap 'modeline-minor-mode-map)
|
|
|
392 "Keymap consulted for mouse-clicks on the minor-mode modeline list.")
|
|
|
393 (define-key modeline-minor-mode-map 'button3 'modeline-minor-mode-menu)
|
|
|
394
|
|
|
395 (defvar modeline-minor-mode-extent (make-extent nil nil)
|
|
|
396 "Extent covering the minor mode modeline strings.")
|
|
|
397 (set-extent-face modeline-minor-mode-extent 'modeline-mousable)
|
|
|
398 (set-extent-keymap modeline-minor-mode-extent modeline-minor-mode-map)
|
|
|
399
|
|
|
400
|
|
|
401 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
402 ;;; Other ;;;
|
|
|
403 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
404
|
|
|
405 (defun modeline-buffers-menu (event)
|
|
|
406 (interactive "e")
|
|
|
407 (popup-menu-and-execute-in-window
|
|
|
408 '("Buffers Popup Menu"
|
|
|
409 :filter buffers-menu-filter
|
|
|
410 ["List All Buffers" list-buffers t]
|
|
|
411 "--"
|
|
|
412 )
|
|
|
413 event))
|
|
|
414
|
|
|
415 (defvar modeline-buffer-id-left-map
|
|
|
416 (make-sparse-keymap 'modeline-buffer-id-left-map)
|
|
|
417 "Keymap consulted for mouse-clicks on the left half of the buffer-id string.")
|
|
|
418
|
|
|
419 (defvar modeline-buffer-id-right-map
|
|
|
420 (make-sparse-keymap 'modeline-buffer-id-right-map)
|
|
|
421 "Keymap consulted for mouse-clicks on the right half of the buffer-id string.")
|
|
|
422
|
|
|
423 (define-key modeline-buffer-id-left-map 'button2 'mouse-unbury-buffer)
|
|
|
424 (define-key modeline-buffer-id-right-map 'button2 'mouse-bury-buffer)
|
|
|
425 (define-key modeline-buffer-id-left-map 'button3 'modeline-buffers-menu)
|
|
|
426 (define-key modeline-buffer-id-right-map 'button3 'modeline-buffers-menu)
|
|
|
427
|
|
|
428 (make-face 'modeline-buffer-id
|
|
|
429 "Face for the buffer ID string in the modeline.")
|
|
197
|
430 (set-face-parent 'modeline-buffer-id 'modeline)
|
|
|
431 (when (featurep 'x)
|
|
|
432 (set-face-foreground 'modeline-buffer-id "blue4" 'global '(color x)))
|
|
|
433 (when (featurep 'x)
|
|
|
434 (set-face-font 'modeline-buffer-id [bold-italic] nil '(mono x))
|
|
|
435 (set-face-font 'modeline-buffer-id [bold-italic] nil '(grayscale x)))
|
|
|
436 (when (featurep 'tty)
|
|
|
437 (set-face-font 'modeline-buffer-id [bold-italic] nil 'tty))
|
|
0
|
438
|
|
|
439 (defvar modeline-buffer-id-extent (make-extent nil nil)
|
|
|
440 "Extent covering the whole of the buffer-id string.")
|
|
|
441 (set-extent-face modeline-buffer-id-extent 'modeline-buffer-id)
|
|
|
442
|
|
|
443 (defvar modeline-buffer-id-left-extent (make-extent nil nil)
|
|
|
444 "Extent covering the left half of the buffer-id string.")
|
|
|
445 (set-extent-keymap modeline-buffer-id-left-extent
|
|
|
446 modeline-buffer-id-left-map)
|
|
|
447 (set-extent-property modeline-buffer-id-left-extent 'help-echo
|
|
|
448 "button2 cycles to the previous buffer")
|
|
|
449
|
|
|
450 (defvar modeline-buffer-id-right-extent (make-extent nil nil)
|
|
|
451 "Extent covering the right half of the buffer-id string.")
|
|
|
452 (set-extent-keymap modeline-buffer-id-right-extent
|
|
|
453 modeline-buffer-id-right-map)
|
|
|
454 (set-extent-property modeline-buffer-id-right-extent 'help-echo
|
|
|
455 "button2 cycles to the next buffer")
|
|
|
456
|
|
|
457 (defconst modeline-buffer-identification
|
|
149
|
458 (list (cons modeline-buffer-id-left-extent (purecopy "XEmacs%N:"))
|
|
|
459 ; this used to be "XEmacs:"
|
|
0
|
460 (cons modeline-buffer-id-right-extent (purecopy " %17b")))
|
|
|
461 "Modeline control for identifying the buffer being displayed.
|
|
|
462 Its default value is \"XEmacs: %17b\" (NOT!). Major modes that edit things
|
|
|
463 other than ordinary files may change this (e.g. Info, Dired,...)")
|
|
|
464 (make-variable-buffer-local 'modeline-buffer-identification)
|
|
|
465
|
|
|
466 (defconst modeline-process nil
|
|
|
467 "Modeline control for displaying info on process status.
|
|
|
468 Normally nil in most modes, since there is no process to display.")
|
|
|
469 (make-variable-buffer-local 'modeline-process)
|
|
|
470
|
|
|
471 (defvar modeline-modified-map (make-sparse-keymap 'modeline-modified-map)
|
|
|
472 "Keymap consulted for mouse-clicks on the modeline-modified string.")
|
|
|
473 (define-key modeline-modified-map 'button2
|
|
201
|
474 (make-modeline-command-wrapper 'modeline-toggle-read-only))
|
|
0
|
475
|
|
|
476 (defvar modeline-modified-extent (make-extent nil nil)
|
|
|
477 "Extent covering the modeline-modified string.")
|
|
|
478 (set-extent-face modeline-modified-extent 'modeline-mousable)
|
|
|
479 (set-extent-keymap modeline-modified-extent modeline-modified-map)
|
|
|
480 (set-extent-property modeline-modified-extent 'help-echo
|
|
|
481 "button2 toggles the buffer's read-only status")
|
|
|
482
|
|
|
483 (defconst modeline-modified (purecopy '("--%1*%1+-"))
|
|
|
484 "Modeline control for displaying whether current buffer is modified.")
|
|
|
485 (make-variable-buffer-local 'modeline-modified)
|
|
|
486
|
|
|
487 (defvar modeline-narrowed-map (make-sparse-keymap 'modeline-narrowed-map)
|
|
|
488 "Keymap consulted for mouse-clicks on the modeline-narrowed string.")
|
|
|
489 (define-key modeline-narrowed-map 'button2
|
|
|
490 (make-modeline-command-wrapper 'widen))
|
|
|
491
|
|
|
492 (defvar modeline-narrowed-extent (make-extent nil nil)
|
|
|
493 "Extent covering the modeline-narrowed string.")
|
|
|
494 (set-extent-face modeline-narrowed-extent 'modeline-mousable)
|
|
|
495 (set-extent-keymap modeline-narrowed-extent modeline-narrowed-map)
|
|
|
496 (set-extent-property modeline-narrowed-extent 'help-echo
|
|
|
497 "button2 widens the buffer")
|
|
|
498
|
|
70
|
499 (setq-default
|
|
|
500 modeline-format
|
|
|
501 (list
|
|
|
502 (purecopy "")
|
|
|
503 (cons modeline-modified-extent 'modeline-modified)
|
|
|
504 (cons modeline-buffer-id-extent 'modeline-buffer-identification)
|
|
|
505 (purecopy " ")
|
|
|
506 'global-mode-string
|
|
|
507 (purecopy " %[(")
|
|
|
508 (cons modeline-minor-mode-extent (list "" 'mode-name 'minor-mode-alist))
|
|
|
509 (cons modeline-narrowed-extent "%n")
|
|
|
510 'modeline-process
|
|
|
511 (purecopy ")%]----")
|
|
|
512 (purecopy '(line-number-mode "L%l--"))
|
|
|
513 (purecopy '(column-number-mode "C%c--"))
|
|
|
514 (purecopy '(-3 . "%p"))
|
|
|
515 (purecopy "-%-")))
|
|
201
|
516
|
|
|
517 ;;; Added for XEmacs 20.3. Provide wrapper for vc since it may not always be
|
|
|
518 ;;; present, and its symbols are not visible this early in the dump if it
|
|
|
519 ;;; is.
|
|
|
520
|
|
|
521 (defun modeline-toggle-read-only ()
|
|
|
522 "Change whether this buffer is visiting its file read-only.
|
|
|
523 With arg, set read-only iff arg is positive.
|
|
|
524 This function is designed to be called when the read-only indicator on the
|
|
|
525 modeline is clicked. It will call `vc-toggle-read-only' if available,
|
|
|
526 otherwise it will call the usual `toggle-read-only'."
|
|
|
527 (interactive)
|
|
|
528 (if (fboundp 'vc-toggle-read-only)
|
|
|
529 (vc-toggle-read-only)
|
|
|
530 (toggle-read-only)))
|
|
|
531
|
|
|
532 ;;; modeline.el ends here
|
