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4960e757 | 1 | ;;; ediff-init.el --- Macros, variables, and defsubsts used by Ediff |
b578f267 | 2 | |
1e39fa26 | 3 | ;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
aaef169d | 4 | ;; 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
475f9031 | 5 | |
50a07e18 | 6 | ;; Author: Michael Kifer <kifer@cs.stonybrook.edu> |
475f9031 KH |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
086add15 LK |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
23 | ;; Boston, MA 02110-1301, USA. | |
475f9031 | 24 | |
3afbc435 PJ |
25 | ;;; Commentary: |
26 | ||
b578f267 | 27 | ;;; Code: |
475f9031 | 28 | |
bbe6126c MK |
29 | ;; Start compiler pacifier |
30 | (defvar ediff-metajob-name) | |
31 | (defvar ediff-meta-buffer) | |
32 | (defvar pm-color-alist) | |
33 | (defvar ediff-grab-mouse) | |
34 | (defvar ediff-mouse-pixel-position) | |
35 | (defvar ediff-mouse-pixel-threshold) | |
36 | (defvar ediff-whitespace) | |
37 | (defvar ediff-multiframe) | |
2eb4bdca | 38 | (defvar ediff-use-toolbar-p) |
50a07e18 | 39 | (defvar mswindowsx-bitmap-file-path) |
ddc90f39 MK |
40 | |
41 | (and noninteractive | |
42 | (eval-when-compile | |
43 | (load "ange-ftp" 'noerror))) | |
bbe6126c MK |
44 | ;; end pacifier |
45 | ||
41d25ad0 | 46 | ;; Is it XEmacs? |
1e39fa26 | 47 | (defconst ediff-xemacs-p (featurep 'xemacs)) |
41d25ad0 KH |
48 | ;; Is it Emacs? |
49 | (defconst ediff-emacs-p (not ediff-xemacs-p)) | |
bbe6126c | 50 | |
50a07e18 MK |
51 | ;; This is used to avoid compilation warnings. When emacs/xemacs forms can |
52 | ;; generate compile time warnings, we use this macro. | |
53 | ;; In this case, the macro will expand into the form that is appropriate to the | |
54 | ;; compiler at hand. | |
55 | ;; Suggested by rms. | |
56 | (defmacro ediff-cond-compile-for-xemacs-or-emacs (xemacs-form emacs-form) | |
1e39fa26 | 57 | (if (featurep 'xemacs) |
50a07e18 MK |
58 | xemacs-form emacs-form)) |
59 | ||
bbe6126c MK |
60 | (defvar ediff-force-faces nil |
61 | "If t, Ediff will think that it is running on a display that supports faces. | |
62 | This is provided as a temporary relief for users of face-capable displays | |
63 | that Ediff doesn't know about.") | |
64 | ||
41d25ad0 KH |
65 | ;; Are we running as a window application or on a TTY? |
66 | (defsubst ediff-device-type () | |
50a07e18 MK |
67 | (ediff-cond-compile-for-xemacs-or-emacs |
68 | (device-type (selected-device)) ; xemacs form | |
69 | window-system ; emacs form | |
70 | )) | |
bbe6126c | 71 | |
41d25ad0 | 72 | ;; in XEmacs: device-type is tty on tty and stream in batch. |
4ae69eac MK |
73 | (defun ediff-window-display-p () |
74 | (and (ediff-device-type) (not (memq (ediff-device-type) '(tty pc stream))))) | |
75 | ||
76 | ;; test if supports faces | |
4ae69eac MK |
77 | (defun ediff-has-face-support-p () |
78 | (cond ((ediff-window-display-p)) | |
79 | (ediff-force-faces) | |
d396e521 MK |
80 | ((ediff-color-display-p)) |
81 | (ediff-emacs-p (memq (ediff-device-type) '(pc))) | |
743a79af MK |
82 | (ediff-xemacs-p (memq (ediff-device-type) '(tty pc))) |
83 | )) | |
bf5d92c5 | 84 | |
50a07e18 | 85 | ;; toolbar support for emacs hasn't been implemented in ediff |
2eb4bdca | 86 | (defun ediff-has-toolbar-support-p () |
50a07e18 MK |
87 | (ediff-cond-compile-for-xemacs-or-emacs |
88 | (and (featurep 'toolbar) (console-on-window-system-p)) ; xemacs form | |
89 | nil ; emacs form | |
90 | )) | |
2eb4bdca | 91 | |
8bdd0bf7 MK |
92 | |
93 | (defun ediff-has-gutter-support-p () | |
94 | (ediff-cond-compile-for-xemacs-or-emacs | |
95 | (and (featurep 'gutter) (console-on-window-system-p)) ; xemacs form | |
96 | nil ; emacs form | |
97 | )) | |
98 | ||
99 | ||
2eb4bdca MK |
100 | (defun ediff-use-toolbar-p () |
101 | (and (ediff-has-toolbar-support-p) ;Can it do it ? | |
102 | (boundp 'ediff-use-toolbar-p) | |
103 | ediff-use-toolbar-p)) ;Does the user want it ? | |
104 | ||
acce6d21 | 105 | ;; Defines SYMBOL as an advertised local variable. |
bbe6126c MK |
106 | ;; Performs a defvar, then executes `make-variable-buffer-local' on |
107 | ;; the variable. Also sets the `permanent-local' property, | |
108 | ;; so that `kill-all-local-variables' (called by major-mode setting | |
109 | ;; commands) won't destroy Ediff control variables. | |
acce6d21 | 110 | ;; |
bbe6126c | 111 | ;; Plagiarised from `emerge-defvar-local' for XEmacs. |
acce6d21 | 112 | (defmacro ediff-defvar-local (var value doc) |
086171bf MK |
113 | `(progn |
114 | (defvar ,var ,value ,doc) | |
115 | (make-variable-buffer-local ',var) | |
116 | (put ',var 'permanent-local t))) | |
acce6d21 | 117 | |
bbe6126c MK |
118 | |
119 | ||
120 | ;; Variables that control each Ediff session---local to the control buffer. | |
121 | ||
122 | ;; Mode variables | |
123 | ;; The buffer in which the A variant is stored. | |
124 | (ediff-defvar-local ediff-buffer-A nil "") | |
125 | ;; The buffer in which the B variant is stored. | |
126 | (ediff-defvar-local ediff-buffer-B nil "") | |
3af0304a | 127 | ;; The buffer in which the C variant is stored or where the merge buffer lives. |
bbe6126c MK |
128 | (ediff-defvar-local ediff-buffer-C nil "") |
129 | ;; Ancestor buffer | |
130 | (ediff-defvar-local ediff-ancestor-buffer nil "") | |
ddc90f39 | 131 | ;; The Ediff control buffer |
bbe6126c | 132 | (ediff-defvar-local ediff-control-buffer nil "") |
475f9031 | 133 | |
50a07e18 MK |
134 | (ediff-defvar-local ediff-temp-indirect-buffer nil |
135 | "If t, the buffer is a temporary indirect buffer. | |
136 | It needs to be killed when we quit the session.") | |
137 | ||
e756eb9f MK |
138 | |
139 | ;; Association between buff-type and ediff-buffer-* | |
140 | (defconst ediff-buffer-alist | |
141 | '((?A . ediff-buffer-A) | |
142 | (?B . ediff-buffer-B) | |
143 | (?C . ediff-buffer-C))) | |
144 | ||
475f9031 KH |
145 | ;;; Macros |
146 | (defmacro ediff-odd-p (arg) | |
086171bf | 147 | `(eq (logand ,arg 1) 1)) |
475f9031 KH |
148 | |
149 | (defmacro ediff-buffer-live-p (buf) | |
086171bf | 150 | `(and ,buf (get-buffer ,buf) (buffer-name (get-buffer ,buf)))) |
475f9031 KH |
151 | |
152 | (defmacro ediff-get-buffer (arg) | |
086171bf MK |
153 | `(cond ((eq ,arg 'A) ediff-buffer-A) |
154 | ((eq ,arg 'B) ediff-buffer-B) | |
155 | ((eq ,arg 'C) ediff-buffer-C) | |
156 | ((eq ,arg 'Ancestor) ediff-ancestor-buffer) | |
157 | )) | |
acce6d21 | 158 | |
475f9031 | 159 | (defmacro ediff-get-value-according-to-buffer-type (buf-type list) |
086171bf MK |
160 | `(cond ((eq ,buf-type 'A) (nth 0 ,list)) |
161 | ((eq ,buf-type 'B) (nth 1 ,list)) | |
162 | ((eq ,buf-type 'C) (nth 2 ,list)) | |
163 | )) | |
acce6d21 | 164 | |
475f9031 | 165 | (defmacro ediff-char-to-buftype (arg) |
086171bf MK |
166 | `(cond ((memq ,arg '(?a ?A)) 'A) |
167 | ((memq ,arg '(?b ?B)) 'B) | |
168 | ((memq ,arg '(?c ?C)) 'C) | |
169 | )) | |
e756eb9f | 170 | |
985d0dad | 171 | |
e756eb9f MK |
172 | ;; A-list is supposed to be of the form (A . symb) (B . symb)...) |
173 | ;; where the first part of any association is a buffer type and the second is | |
3af0304a MK |
174 | ;; an appropriate symbol. Given buffer-type, this function returns the |
175 | ;; symbol. This is used to avoid using `intern' | |
e756eb9f MK |
176 | (defsubst ediff-get-symbol-from-alist (buf-type alist) |
177 | (cdr (assoc buf-type alist))) | |
acce6d21 | 178 | |
e756eb9f MK |
179 | (defconst ediff-difference-vector-alist |
180 | '((A . ediff-difference-vector-A) | |
181 | (B . ediff-difference-vector-B) | |
182 | (C . ediff-difference-vector-C) | |
183 | (Ancestor . ediff-difference-vector-Ancestor))) | |
184 | ||
475f9031 | 185 | (defmacro ediff-get-difference (n buf-type) |
086171bf MK |
186 | `(aref |
187 | (symbol-value | |
188 | (ediff-get-symbol-from-alist | |
189 | ,buf-type ediff-difference-vector-alist)) | |
190 | ,n)) | |
acce6d21 | 191 | |
ddc90f39 | 192 | ;; Tell if it has been previously determined that the region has |
475f9031 KH |
193 | ;; no diffs other than the white space and newlines |
194 | ;; The argument, N, is the diff region number used by Ediff to index the | |
3af0304a | 195 | ;; diff vector. It is 1 less than the number seen by the user. |
ddc90f39 MK |
196 | ;; Returns: |
197 | ;; t if the diffs are whitespace in all buffers | |
198 | ;; 'A (in 3-buf comparison only) if there are only whitespace | |
199 | ;; diffs in bufs B and C | |
200 | ;; 'B (in 3-buf comparison only) if there are only whitespace | |
201 | ;; diffs in bufs A and C | |
202 | ;; 'C (in 3-buf comparison only) if there are only whitespace | |
203 | ;; diffs in bufs A and B | |
475f9031 | 204 | ;; |
3af0304a | 205 | ;; A Difference Vector has the form: |
475f9031 KH |
206 | ;; [diff diff diff ...] |
207 | ;; where each diff has the form: | |
3af0304a | 208 | ;; [overlay fine-diff-vector no-fine-diffs-flag state-of-difference] |
475f9031 | 209 | ;; fine-diff-vector is a vector [fine-diff fine-diff fine-diff ...] |
3af0304a MK |
210 | ;; no-fine-diffs-flag says if there are fine differences. |
211 | ;; state-of-difference is A, B, C, or nil, indicating which buffer is | |
212 | ;; different from the other two (used only in 3-way jobs). | |
475f9031 | 213 | (defmacro ediff-no-fine-diffs-p (n) |
086171bf | 214 | `(aref (ediff-get-difference ,n 'A) 2)) |
acce6d21 | 215 | |
475f9031 | 216 | (defmacro ediff-get-diff-overlay-from-diff-record (diff-rec) |
086171bf | 217 | `(aref ,diff-rec 0)) |
acce6d21 TTN |
218 | |
219 | (defmacro ediff-get-diff-overlay (n buf-type) | |
086171bf MK |
220 | `(ediff-get-diff-overlay-from-diff-record |
221 | (ediff-get-difference ,n ,buf-type))) | |
475f9031 KH |
222 | |
223 | (defmacro ediff-get-fine-diff-vector-from-diff-record (diff-rec) | |
086171bf | 224 | `(aref ,diff-rec 1)) |
acce6d21 | 225 | |
475f9031 | 226 | (defmacro ediff-set-fine-diff-vector (n buf-type fine-vec) |
086171bf | 227 | `(aset (ediff-get-difference ,n ,buf-type) 1 ,fine-vec)) |
acce6d21 | 228 | |
475f9031 | 229 | (defmacro ediff-get-state-of-diff (n buf-type) |
086171bf MK |
230 | `(if (ediff-buffer-live-p ediff-buffer-C) |
231 | (aref (ediff-get-difference ,n ,buf-type) 3))) | |
475f9031 | 232 | (defmacro ediff-set-state-of-diff (n buf-type val) |
086171bf | 233 | `(aset (ediff-get-difference ,n ,buf-type) 3 ,val)) |
3af0304a | 234 | |
475f9031 | 235 | (defmacro ediff-get-state-of-merge (n) |
086171bf MK |
236 | `(if ediff-state-of-merge |
237 | (aref (aref ediff-state-of-merge ,n) 0))) | |
475f9031 | 238 | (defmacro ediff-set-state-of-merge (n val) |
086171bf MK |
239 | `(if ediff-state-of-merge |
240 | (aset (aref ediff-state-of-merge ,n) 0 ,val))) | |
475f9031 | 241 | |
3af0304a | 242 | (defmacro ediff-get-state-of-ancestor (n) |
086171bf MK |
243 | `(if ediff-state-of-merge |
244 | (aref (aref ediff-state-of-merge ,n) 1))) | |
3af0304a | 245 | |
acce6d21 | 246 | ;; if flag is t, puts a mark on diff region saying that |
3af0304a | 247 | ;; the differences are in white space only. If flag is nil, |
475f9031 KH |
248 | ;; the region is marked as essential (i.e., differences are |
249 | ;; not just in the white space and newlines.) | |
250 | (defmacro ediff-mark-diff-as-space-only (n flag) | |
086171bf | 251 | `(aset (ediff-get-difference ,n 'A) 2 ,flag)) |
acce6d21 | 252 | |
475f9031 | 253 | (defmacro ediff-get-fine-diff-vector (n buf-type) |
086171bf MK |
254 | `(ediff-get-fine-diff-vector-from-diff-record |
255 | (ediff-get-difference ,n ,buf-type))) | |
acce6d21 | 256 | |
e756eb9f MK |
257 | ;; Macro to switch to BUFFER, evaluate BODY, returns to original buffer. |
258 | ;; Doesn't save the point and mark. | |
259 | ;; This is `with-current-buffer' with the added test for live buffers." | |
260 | (defmacro ediff-with-current-buffer (buffer &rest body) | |
086171bf | 261 | `(if (ediff-buffer-live-p ,buffer) |
e756eb9f | 262 | (save-current-buffer |
086171bf MK |
263 | (set-buffer ,buffer) |
264 | ,@body) | |
e756eb9f MK |
265 | (or (eq this-command 'ediff-quit) |
266 | (error ediff-KILLED-VITAL-BUFFER)) | |
086171bf | 267 | )) |
acce6d21 | 268 | |
475f9031 | 269 | |
8343426b MK |
270 | (defsubst ediff-multiframe-setup-p () |
271 | (and (ediff-window-display-p) ediff-multiframe)) | |
acce6d21 | 272 | |
475f9031 | 273 | (defmacro ediff-narrow-control-frame-p () |
086171bf MK |
274 | `(and (ediff-multiframe-setup-p) |
275 | (equal ediff-help-message ediff-brief-message-string))) | |
acce6d21 | 276 | |
475f9031 | 277 | (defmacro ediff-3way-comparison-job () |
086171bf MK |
278 | `(memq |
279 | ediff-job-name | |
280 | '(ediff-files3 ediff-buffers3))) | |
475f9031 | 281 | (ediff-defvar-local ediff-3way-comparison-job nil "") |
acce6d21 | 282 | |
475f9031 | 283 | (defmacro ediff-merge-job () |
086171bf MK |
284 | `(memq |
285 | ediff-job-name | |
286 | '(ediff-merge-files | |
287 | ediff-merge-buffers | |
288 | ediff-merge-files-with-ancestor | |
289 | ediff-merge-buffers-with-ancestor | |
290 | ediff-merge-revisions | |
291 | ediff-merge-revisions-with-ancestor))) | |
475f9031 KH |
292 | (ediff-defvar-local ediff-merge-job nil "") |
293 | ||
743a79af MK |
294 | (defmacro ediff-patch-job () |
295 | `(eq ediff-job-name 'epatch)) | |
296 | ||
475f9031 | 297 | (defmacro ediff-merge-with-ancestor-job () |
086171bf MK |
298 | `(memq |
299 | ediff-job-name | |
300 | '(ediff-merge-files-with-ancestor | |
301 | ediff-merge-buffers-with-ancestor | |
302 | ediff-merge-revisions-with-ancestor))) | |
475f9031 KH |
303 | (ediff-defvar-local ediff-merge-with-ancestor-job nil "") |
304 | ||
305 | (defmacro ediff-3way-job () | |
086171bf | 306 | `(or ediff-3way-comparison-job ediff-merge-job)) |
475f9031 KH |
307 | (ediff-defvar-local ediff-3way-job nil "") |
308 | ||
309 | ;; A diff3 job is like a 3way job, but ediff-merge doesn't require the use | |
310 | ;; of diff3. | |
311 | (defmacro ediff-diff3-job () | |
086171bf MK |
312 | `(or ediff-3way-comparison-job |
313 | ediff-merge-with-ancestor-job)) | |
475f9031 | 314 | (ediff-defvar-local ediff-diff3-job nil "") |
acce6d21 | 315 | |
41d25ad0 | 316 | (defmacro ediff-windows-job () |
086171bf | 317 | `(memq ediff-job-name '(ediff-windows-wordwise ediff-windows-linewise))) |
41d25ad0 KH |
318 | (ediff-defvar-local ediff-windows-job nil "") |
319 | ||
475f9031 | 320 | (defmacro ediff-word-mode-job () |
086171bf | 321 | `(memq ediff-job-name '(ediff-windows-wordwise ediff-regions-wordwise))) |
475f9031 KH |
322 | (ediff-defvar-local ediff-word-mode-job nil "") |
323 | ||
41d25ad0 | 324 | (defmacro ediff-narrow-job () |
086171bf MK |
325 | `(memq ediff-job-name '(ediff-windows-wordwise |
326 | ediff-regions-wordwise | |
327 | ediff-windows-linewise | |
328 | ediff-regions-linewise))) | |
41d25ad0 KH |
329 | (ediff-defvar-local ediff-narrow-job nil "") |
330 | ||
8343426b MK |
331 | ;; Note: ediff-merge-directory-revisions-with-ancestor is not treated as an |
332 | ;; ancestor metajob, since it behaves differently. | |
333 | (defsubst ediff-ancestor-metajob (&optional metajob) | |
334 | (memq (or metajob ediff-metajob-name) | |
335 | '(ediff-merge-directories-with-ancestor | |
336 | ediff-merge-filegroups-with-ancestor))) | |
337 | (defsubst ediff-revision-metajob (&optional metajob) | |
338 | (memq (or metajob ediff-metajob-name) | |
acce6d21 | 339 | '(ediff-directory-revisions |
8343426b MK |
340 | ediff-merge-directory-revisions |
341 | ediff-merge-directory-revisions-with-ancestor))) | |
bbe6126c MK |
342 | (defsubst ediff-patch-metajob (&optional metajob) |
343 | (memq (or metajob ediff-metajob-name) | |
344 | '(ediff-multifile-patch))) | |
345 | ;; metajob involving only one group of files, such as multipatch or directory | |
346 | ;; revision | |
347 | (defsubst ediff-one-filegroup-metajob (&optional metajob) | |
8343426b | 348 | (or (ediff-revision-metajob metajob) |
bbe6126c | 349 | (ediff-patch-metajob metajob) |
8343426b MK |
350 | ;; add more here |
351 | )) | |
c3912d54 | 352 | ;; jobs suitable for the operation of collecting diffs into a multifile patch |
8343426b | 353 | (defsubst ediff-collect-diffs-metajob (&optional metajob) |
4ae69eac MK |
354 | (memq (or metajob ediff-metajob-name) |
355 | '(ediff-directories | |
4ae69eac MK |
356 | ediff-merge-directories |
357 | ediff-merge-directories-with-ancestor | |
c3912d54 | 358 | ediff-directory-revisions |
4ae69eac MK |
359 | ediff-merge-directory-revisions |
360 | ediff-merge-directory-revisions-with-ancestor | |
361 | ;; add more here | |
362 | ))) | |
92c51e07 MK |
363 | (defsubst ediff-merge-metajob (&optional metajob) |
364 | (memq (or metajob ediff-metajob-name) | |
365 | '(ediff-merge-directories | |
366 | ediff-merge-directories-with-ancestor | |
367 | ediff-merge-directory-revisions | |
368 | ediff-merge-directory-revisions-with-ancestor | |
acce6d21 | 369 | ediff-merge-filegroups-with-ancestor |
92c51e07 MK |
370 | ;; add more here |
371 | ))) | |
4ae69eac | 372 | |
8343426b MK |
373 | (defsubst ediff-metajob3 (&optional metajob) |
374 | (memq (or metajob ediff-metajob-name) | |
375 | '(ediff-merge-directories-with-ancestor | |
acce6d21 | 376 | ediff-merge-filegroups-with-ancestor |
8343426b MK |
377 | ediff-directories3 |
378 | ediff-filegroups3))) | |
379 | (defsubst ediff-comparison-metajob3 (&optional metajob) | |
380 | (memq (or metajob ediff-metajob-name) | |
381 | '(ediff-directories3 ediff-filegroups3))) | |
382 | ||
bf5d92c5 MK |
383 | ;; with no argument, checks if we are in ediff-control-buffer |
384 | ;; with argument, checks if we are in ediff-meta-buffer | |
385 | (defun ediff-in-control-buffer-p (&optional meta-buf-p) | |
386 | (and (boundp 'ediff-control-buffer) | |
387 | (eq (if meta-buf-p ediff-meta-buffer ediff-control-buffer) | |
388 | (current-buffer)))) | |
389 | ||
390 | (defsubst ediff-barf-if-not-control-buffer (&optional meta-buf-p) | |
391 | (or (ediff-in-control-buffer-p meta-buf-p) | |
8343426b MK |
392 | (error "%S: This command runs in Ediff Control Buffer only!" |
393 | this-command))) | |
394 | ||
328b4b70 | 395 | (defgroup ediff-highlighting nil |
b6ab27f7 | 396 | "Hilighting of difference regions in Ediff." |
328b4b70 MK |
397 | :prefix "ediff-" |
398 | :group 'ediff) | |
399 | ||
400 | (defgroup ediff-merge nil | |
b6ab27f7 | 401 | "Merging utilities." |
328b4b70 MK |
402 | :prefix "ediff-" |
403 | :group 'ediff) | |
404 | ||
405 | (defgroup ediff-hook nil | |
b6ab27f7 | 406 | "Hooks run by Ediff." |
328b4b70 MK |
407 | :prefix "ediff-" |
408 | :group 'ediff) | |
409 | ||
475f9031 KH |
410 | ;; Hook variables |
411 | ||
657f9cb8 MK |
412 | (defcustom ediff-before-setup-hook nil |
413 | "*Hooks to run before Ediff begins to set up windows and buffers. | |
414 | This hook can be used to save the previous window config, which can be restored | |
415 | on ediff-quit or ediff-suspend." | |
416 | :type 'hook | |
acce6d21 | 417 | :group 'ediff-hook) |
1e70790f | 418 | (defcustom ediff-before-setup-windows-hook nil |
acce6d21 TTN |
419 | "*Hooks to run before Ediff sets its window configuration. |
420 | This hook is run every time when Ediff arranges its windows. | |
657f9cb8 MK |
421 | This happens each time Ediff detects that the windows were messed up by the |
422 | user." | |
1e70790f | 423 | :type 'hook |
acce6d21 | 424 | :group 'ediff-hook) |
1e70790f | 425 | (defcustom ediff-after-setup-windows-hook nil |
acce6d21 | 426 | "*Hooks to run after Ediff sets its window configuration. |
1e70790f MK |
427 | This can be used to set up control window or icon in a desired place." |
428 | :type 'hook | |
328b4b70 | 429 | :group 'ediff-hook) |
1e70790f | 430 | (defcustom ediff-before-setup-control-frame-hook nil |
475f9031 KH |
431 | "*Hooks run before setting up the frame to display Ediff Control Panel. |
432 | Can be used to change control frame parameters to position it where it | |
1e70790f MK |
433 | is desirable." |
434 | :type 'hook | |
328b4b70 | 435 | :group 'ediff-hook) |
1e70790f | 436 | (defcustom ediff-after-setup-control-frame-hook nil |
475f9031 | 437 | "*Hooks run after setting up the frame to display Ediff Control Panel. |
1e70790f MK |
438 | Can be used to move the frame where it is desired." |
439 | :type 'hook | |
328b4b70 | 440 | :group 'ediff-hook) |
1e70790f | 441 | (defcustom ediff-startup-hook nil |
657f9cb8 | 442 | "*Hooks to run in the control buffer after Ediff has been set up and is ready for the job." |
1e70790f | 443 | :type 'hook |
328b4b70 | 444 | :group 'ediff-hook) |
1e70790f MK |
445 | (defcustom ediff-select-hook nil |
446 | "*Hooks to run after a difference has been selected." | |
447 | :type 'hook | |
328b4b70 | 448 | :group 'ediff-hook) |
1e70790f MK |
449 | (defcustom ediff-unselect-hook nil |
450 | "*Hooks to run after a difference has been unselected." | |
451 | :type 'hook | |
328b4b70 | 452 | :group 'ediff-hook) |
1e70790f | 453 | (defcustom ediff-prepare-buffer-hook nil |
acce6d21 TTN |
454 | "*Hooks run after buffers A, B, and C are set up. |
455 | For each buffer, the hooks are run with that buffer made current." | |
1e70790f | 456 | :type 'hook |
328b4b70 | 457 | :group 'ediff-hook) |
1e70790f MK |
458 | (defcustom ediff-load-hook nil |
459 | "*Hook run after Ediff is loaded. Can be used to change defaults." | |
460 | :type 'hook | |
328b4b70 | 461 | :group 'ediff-hook) |
acce6d21 | 462 | |
1e70790f | 463 | (defcustom ediff-mode-hook nil |
acce6d21 | 464 | "*Hook run just after ediff-mode is set up in the control buffer. |
3af0304a | 465 | This is done before any windows or frames are created. One can use it to |
1e70790f MK |
466 | set local variables that determine how the display looks like." |
467 | :type 'hook | |
328b4b70 | 468 | :group 'ediff-hook) |
1e70790f MK |
469 | (defcustom ediff-keymap-setup-hook nil |
470 | "*Hook run just after the default bindings in Ediff keymap are set up." | |
471 | :type 'hook | |
328b4b70 | 472 | :group 'ediff-hook) |
acce6d21 | 473 | |
1e70790f MK |
474 | (defcustom ediff-display-help-hook nil |
475 | "*Hooks run after preparing the help message." | |
476 | :type 'hook | |
328b4b70 | 477 | :group 'ediff-hook) |
1e70790f | 478 | |
7261ece3 | 479 | (defcustom ediff-suspend-hook nil |
1e70790f MK |
480 | "*Hooks to run in the Ediff control buffer when Ediff is suspended." |
481 | :type 'hook | |
328b4b70 | 482 | :group 'ediff-hook) |
7261ece3 | 483 | (defcustom ediff-quit-hook nil |
1e70790f MK |
484 | "*Hooks to run in the Ediff control buffer after finishing Ediff." |
485 | :type 'hook | |
acce6d21 | 486 | :group 'ediff-hook) |
1e70790f | 487 | (defcustom ediff-cleanup-hook nil |
3af0304a | 488 | "*Hooks to run on exiting Ediff but before killing the control and variant buffers." |
1e70790f | 489 | :type 'hook |
328b4b70 | 490 | :group 'ediff-hook) |
475f9031 | 491 | |
4ae69eac MK |
492 | ;; Error messages |
493 | (defconst ediff-KILLED-VITAL-BUFFER | |
494 | "You have killed a vital Ediff buffer---you must leave Ediff now!") | |
495 | (defconst ediff-NO-DIFFERENCES | |
bbe6126c MK |
496 | "Sorry, comparison of identical variants is not what I am made for...") |
497 | (defconst ediff-BAD-DIFF-NUMBER | |
498 | ;; %S stands for this-command, %d - diff number, %d - max diff | |
3af0304a | 499 | "%S: Bad diff region number, %d. Valid numbers are 1 to %d") |
92c51e07 MK |
500 | (defconst ediff-BAD-INFO (format " |
501 | *** The Info file for Ediff, a part of the standard distribution | |
502 | *** of %sEmacs, does not seem to be properly installed. | |
acce6d21 | 503 | *** |
92c51e07 MK |
504 | *** Please contact your system administrator. " |
505 | (if ediff-xemacs-p "X" ""))) | |
acce6d21 | 506 | |
475f9031 KH |
507 | ;; Selective browsing |
508 | ||
509 | (ediff-defvar-local ediff-skip-diff-region-function 'ediff-show-all-diffs | |
510 | "Function that determines the next/previous diff region to show. | |
511 | Should return t for regions to be ignored and nil otherwise. | |
3af0304a MK |
512 | This function gets a region number as an argument. The region number |
513 | is the one used internally by Ediff. It is 1 less than the number seen | |
475f9031 KH |
514 | by the user.") |
515 | ||
8343426b | 516 | (ediff-defvar-local ediff-hide-regexp-matches-function |
acce6d21 | 517 | 'ediff-hide-regexp-matches |
8343426b MK |
518 | "Function to use in determining which regions to hide. |
519 | See the documentation string of `ediff-hide-regexp-matches' for details.") | |
520 | (ediff-defvar-local ediff-focus-on-regexp-matches-function | |
521 | 'ediff-focus-on-regexp-matches | |
522 | "Function to use in determining which regions to focus on. | |
523 | See the documentation string of `ediff-focus-on-regexp-matches' for details.") | |
524 | ||
475f9031 KH |
525 | ;; Regexp that determines buf A regions to focus on when skipping to diff |
526 | (ediff-defvar-local ediff-regexp-focus-A "" "") | |
527 | ;; Regexp that determines buf B regions to focus on when skipping to diff | |
528 | (ediff-defvar-local ediff-regexp-focus-B "" "") | |
529 | ;; Regexp that determines buf C regions to focus on when skipping to diff | |
530 | (ediff-defvar-local ediff-regexp-focus-C "" "") | |
531 | ;; connective that determines whether to focus regions that match both or | |
532 | ;; one of the regexps | |
533 | (ediff-defvar-local ediff-focus-regexp-connective 'and "") | |
acce6d21 | 534 | |
475f9031 KH |
535 | ;; Regexp that determines buf A regions to ignore when skipping to diff |
536 | (ediff-defvar-local ediff-regexp-hide-A "" "") | |
537 | ;; Regexp that determines buf B regions to ignore when skipping to diff | |
538 | (ediff-defvar-local ediff-regexp-hide-B "" "") | |
539 | ;; Regexp that determines buf C regions to ignore when skipping to diff | |
540 | (ediff-defvar-local ediff-regexp-hide-C "" "") | |
541 | ;; connective that determines whether to hide regions that match both or | |
542 | ;; one of the regexps | |
543 | (ediff-defvar-local ediff-hide-regexp-connective 'and "") | |
1e70790f | 544 | |
acce6d21 TTN |
545 | |
546 | ;;; Copying difference regions between buffers. | |
547 | ||
548 | ;; A list of killed diffs. | |
1e70790f MK |
549 | ;; A diff is saved here if it is replaced by a diff |
550 | ;; from another buffer. This alist has the form: | |
551 | ;; \((num (buff-object . diff) (buff-object . diff) (buff-object . diff)) ...), | |
552 | ;; where some buffer-objects may be missing. | |
553 | (ediff-defvar-local ediff-killed-diffs-alist nil "") | |
475f9031 | 554 | |
4986c2c6 MK |
555 | ;; Syntax table to use in ediff-forward-word-function |
556 | ;; This is chosen by a heuristic. The important thing is for all buffers to | |
557 | ;; have the same syntax table. Which is not too important. | |
558 | (ediff-defvar-local ediff-syntax-table nil "") | |
559 | ||
475f9031 KH |
560 | |
561 | ;; Highlighting | |
a335c7d5 | 562 | (defcustom ediff-before-flag-bol (if (featurep 'xemacs) (make-glyph "->>") "->>") |
1e70790f MK |
563 | "*Flag placed before a highlighted block of differences, if block starts at beginning of a line." |
564 | :type 'string | |
565 | :tag "Region before-flag at beginning of line" | |
566 | :group 'ediff) | |
567 | ||
a335c7d5 | 568 | (defcustom ediff-after-flag-eol (if (featurep 'xemacs) (make-glyph "<<-") "<<-") |
1e70790f MK |
569 | "*Flag placed after a highlighted block of differences, if block ends at end of a line." |
570 | :type 'string | |
571 | :tag "Region after-flag at end of line" | |
572 | :group 'ediff) | |
573 | ||
a335c7d5 | 574 | (defcustom ediff-before-flag-mol (if (featurep 'xemacs) (make-glyph "->>") "->>") |
1e70790f MK |
575 | "*Flag placed before a highlighted block of differences, if block starts in mid-line." |
576 | :type 'string | |
577 | :tag "Region before-flag in the middle of line" | |
578 | :group 'ediff) | |
a335c7d5 | 579 | (defcustom ediff-after-flag-mol (if (featurep 'xemacs) (make-glyph "<<-") "<<-") |
1e70790f MK |
580 | "*Flag placed after a highlighted block of differences, if block ends in mid-line." |
581 | :type 'string | |
582 | :tag "Region after-flag in the middle of line" | |
583 | :group 'ediff) | |
475f9031 | 584 | |
acce6d21 TTN |
585 | |
586 | (ediff-defvar-local ediff-use-faces t "") | |
587 | (defcustom ediff-use-faces t | |
4ae69eac MK |
588 | "If t, differences are highlighted using faces, if device supports faces. |
589 | If nil, differences are highlighted using ASCII flags, ediff-before-flag | |
475f9031 | 590 | and ediff-after-flag. On a non-window system, differences are always |
2eb4bdca MK |
591 | highlighted using ASCII flags." |
592 | :type 'boolean | |
593 | :group 'ediff-highlighting) | |
475f9031 | 594 | |
475f9031 | 595 | ;; this indicates that diff regions are word-size, so fine diffs are |
41d25ad0 | 596 | ;; permanently nixed; used in ediff-windows-wordwise and ediff-regions-wordwise |
475f9031 | 597 | (ediff-defvar-local ediff-word-mode nil "") |
8343426b | 598 | ;; Name of the job (ediff-files, ediff-windows, etc.) |
475f9031 KH |
599 | (ediff-defvar-local ediff-job-name nil "") |
600 | ||
601 | ;; Narrowing and ediff-region/windows support | |
602 | ;; This is a list (overlay-A overlay-B overlay-C) | |
603 | ;; If set, Ediff compares only those parts of buffers A/B/C that lie within | |
604 | ;; the bounds of these overlays. | |
605 | (ediff-defvar-local ediff-narrow-bounds nil "") | |
606 | ||
607 | ;; List (overlay-A overlay-B overlay-C), where each overlay spans the | |
608 | ;; entire corresponding buffer. | |
609 | (ediff-defvar-local ediff-wide-bounds nil "") | |
610 | ||
611 | ;; Current visibility boundaries in buffers A, B, and C. | |
3af0304a | 612 | ;; This is also a list of overlays. When the user toggles narrow/widen, |
475f9031 KH |
613 | ;; this list changes from ediff-wide-bounds to ediff-narrow-bounds. |
614 | ;; and back. | |
615 | (ediff-defvar-local ediff-visible-bounds nil "") | |
616 | ||
617 | (ediff-defvar-local ediff-start-narrowed t | |
41d25ad0 | 618 | "Non-nil means start narrowed, if doing ediff-windows-* or ediff-regions-*") |
475f9031 KH |
619 | (ediff-defvar-local ediff-quit-widened t |
620 | "*Non-nil means: when finished, Ediff widens buffers A/B. | |
621 | Actually, Ediff restores the scope of visibility that existed at startup.") | |
1e70790f MK |
622 | |
623 | (defcustom ediff-keep-variants t | |
b9fe4732 | 624 | "*nil means prompt to remove unmodified buffers A/B/C at session end. |
ceb0ea8b | 625 | Supplying a prefix argument to the quit command `q' temporarily reverses the |
1e70790f MK |
626 | meaning of this variable." |
627 | :type 'boolean | |
628 | :group 'ediff) | |
475f9031 | 629 | |
d84b06ef | 630 | (ediff-defvar-local ediff-highlight-all-diffs t "") |
2eb4bdca | 631 | (defcustom ediff-highlight-all-diffs t |
475f9031 | 632 | "If nil, only the selected differences are highlighted. |
2eb4bdca MK |
633 | Otherwise, all difference regions are highlighted, but the selected region is |
634 | shown in brighter colors." | |
635 | :type 'boolean | |
636 | :group 'ediff-highlighting) | |
475f9031 | 637 | |
acce6d21 | 638 | |
475f9031 KH |
639 | ;; The suffix of the control buffer name. |
640 | (ediff-defvar-local ediff-control-buffer-suffix nil "") | |
acce6d21 | 641 | ;; Same as ediff-control-buffer-suffix, but without <,>. |
475f9031 KH |
642 | ;; It's a number rather than string. |
643 | (ediff-defvar-local ediff-control-buffer-number nil "") | |
644 | ||
645 | ||
475f9031 | 646 | ;; The original values of ediff-protected-variables for buffer A |
41d25ad0 | 647 | (ediff-defvar-local ediff-buffer-values-orig-A nil "") |
475f9031 | 648 | ;; The original values of ediff-protected-variables for buffer B |
41d25ad0 | 649 | (ediff-defvar-local ediff-buffer-values-orig-B nil "") |
475f9031 | 650 | ;; The original values of ediff-protected-variables for buffer C |
41d25ad0 | 651 | (ediff-defvar-local ediff-buffer-values-orig-C nil "") |
8343426b MK |
652 | ;; The original values of ediff-protected-variables for buffer Ancestor |
653 | (ediff-defvar-local ediff-buffer-values-orig-Ancestor nil "") | |
1e70790f | 654 | |
e756eb9f MK |
655 | ;; association between buff-type and ediff-buffer-values-orig-* |
656 | (defconst ediff-buffer-values-orig-alist | |
657 | '((A . ediff-buffer-values-orig-A) | |
658 | (B . ediff-buffer-values-orig-B) | |
659 | (C . ediff-buffer-values-orig-C) | |
660 | (Ancestor . ediff-buffer-values-orig-Ancestor))) | |
661 | ||
475f9031 | 662 | ;; Buffer-local variables to be saved then restored during Ediff sessions |
92c51e07 | 663 | (defconst ediff-protected-variables '( |
acce6d21 | 664 | ;;buffer-read-only |
475f9031 KH |
665 | mode-line-format)) |
666 | ||
475f9031 KH |
667 | ;; Vector of differences between the variants. Each difference is |
668 | ;; represented by a vector of two overlays plus a vector of fine diffs, | |
669 | ;; plus a no-fine-diffs flag. The first overlay spans the | |
670 | ;; difference region in the A buffer and the second overlays the diff in | |
3af0304a | 671 | ;; the B buffer. If a difference section is empty, the corresponding |
475f9031 KH |
672 | ;; overlay's endpoints coincide. |
673 | ;; | |
3af0304a | 674 | ;; The precise form of a Difference Vector for one buffer is: |
475f9031 KH |
675 | ;; [diff diff diff ...] |
676 | ;; where each diff has the form: | |
3af0304a | 677 | ;; [diff-overlay fine-diff-vector no-fine-diffs-flag state-of-diff] |
475f9031 KH |
678 | ;; fine-diff-vector is a vector [fine-diff-overlay fine-diff-overlay ...] |
679 | ;; no-fine-diffs-flag says if there are fine differences. | |
680 | ;; state-of-difference is A, B, C, or nil, indicating which buffer is | |
3af0304a | 681 | ;; different from the other two (used only in 3-way jobs. |
475f9031 KH |
682 | (ediff-defvar-local ediff-difference-vector-A nil "") |
683 | (ediff-defvar-local ediff-difference-vector-B nil "") | |
684 | (ediff-defvar-local ediff-difference-vector-C nil "") | |
8343426b | 685 | (ediff-defvar-local ediff-difference-vector-Ancestor nil "") |
e756eb9f MK |
686 | ;; A-list of diff vector types associated with buffer types |
687 | (defconst ediff-difference-vector-alist | |
688 | '((A . ediff-difference-vector-A) | |
689 | (B . ediff-difference-vector-B) | |
690 | (C . ediff-difference-vector-C) | |
691 | (Ancestor . ediff-difference-vector-Ancestor))) | |
8343426b MK |
692 | |
693 | ;; [ status status status ...] | |
694 | ;; Each status: [state-of-merge state-of-ancestor] | |
3af0304a | 695 | ;; state-of-merge is default-A, default-B, prefer-A, or prefer-B. It |
8343426b MK |
696 | ;; indicates the way a diff region was created in buffer C. |
697 | ;; state-of-ancestor says if the corresponding region in ancestor buffer is | |
698 | ;; empty. | |
699 | (ediff-defvar-local ediff-state-of-merge nil "") | |
475f9031 KH |
700 | |
701 | ;; The difference that is currently selected. | |
702 | (ediff-defvar-local ediff-current-difference -1 "") | |
703 | ;; Number of differences found. | |
704 | (ediff-defvar-local ediff-number-of-differences nil "") | |
acce6d21 | 705 | |
475f9031 KH |
706 | ;; Buffer containing the output of diff, which is used by Ediff to step |
707 | ;; through files. | |
708 | (ediff-defvar-local ediff-diff-buffer nil "") | |
3af0304a | 709 | ;; Like ediff-diff-buffer, but contains context diff. It is not used by |
475f9031 KH |
710 | ;; Ediff, but it is saved in a file, if user requests so. |
711 | (ediff-defvar-local ediff-custom-diff-buffer nil "") | |
712 | ;; Buffer used for diff-style fine differences between regions. | |
713 | (ediff-defvar-local ediff-fine-diff-buffer nil "") | |
714 | ;; Temporary buffer used for computing fine differences. | |
715 | (defconst ediff-tmp-buffer " *ediff-tmp*" "") | |
716 | ;; Buffer used for messages | |
717 | (defconst ediff-msg-buffer " *ediff-message*" "") | |
718 | ;; Buffer containing the output of diff when diff returns errors. | |
719 | (ediff-defvar-local ediff-error-buffer nil "") | |
720 | ;; Buffer to display debug info | |
721 | (ediff-defvar-local ediff-debug-buffer "*ediff-debug*" "") | |
722 | ||
8343426b MK |
723 | ;; List of ediff control panels associated with each buffer A/B/C/Ancestor. |
724 | ;; Not used any more, but may be needed in the future. | |
725 | (ediff-defvar-local ediff-this-buffer-ediff-sessions nil "") | |
475f9031 KH |
726 | |
727 | ;; to be deleted in due time | |
728 | ;; List of difference overlays disturbed by working with the current diff. | |
729 | (defvar ediff-disturbed-overlays nil "") | |
acce6d21 | 730 | |
475f9031 KH |
731 | ;; Priority of non-selected overlays. |
732 | (defvar ediff-shadow-overlay-priority 100 "") | |
733 | ||
1e70790f | 734 | (defcustom ediff-version-control-package 'vc |
8343426b | 735 | "Version control package used. |
3af0304a MK |
736 | Currently, Ediff supports vc.el, rcs.el, pcl-cvs.el, and generic-sc.el. The |
737 | standard Emacs interface to RCS, CVS, SCCS, etc., is vc.el. However, some | |
738 | people find the other two packages more convenient. Set this variable to the | |
1e70790f MK |
739 | appropriate symbol: `rcs', `pcl-cvs', or `generic-sc' if you so desire." |
740 | :type 'symbol | |
741 | :group 'ediff) | |
8343426b | 742 | |
4960e757 | 743 | (defcustom ediff-coding-system-for-read 'raw-text |
71296446 | 744 | "*The coding system for read to use when running the diff program as a subprocess. |
4960e757 MK |
745 | In most cases, the default will do. However, under certain circumstances in |
746 | Windows NT/98/95 you might need to use something like 'raw-text-dos here. | |
747 | So, if the output that your diff program sends to Emacs contains extra ^M's, | |
748 | you might need to experiment here, if the default or 'raw-text-dos doesn't | |
749 | work." | |
750 | :type 'symbol | |
751 | :group 'ediff) | |
752 | ||
753 | (defcustom ediff-coding-system-for-write 'no-conversion | |
754 | "*The coding system for write to use when writing out difference regions | |
755 | to temp files when Ediff needs to find fine differences." | |
756 | :type 'symbol | |
757 | :group 'ediff) | |
758 | ||
475f9031 | 759 | |
50a07e18 MK |
760 | (ediff-cond-compile-for-xemacs-or-emacs |
761 | (progn ; xemacs | |
f3eabcdf MK |
762 | (defalias 'ediff-read-event 'next-command-event) |
763 | (defalias 'ediff-overlayp 'extentp) | |
764 | (defalias 'ediff-make-overlay 'make-extent) | |
765 | (defalias 'ediff-delete-overlay 'delete-extent)) | |
50a07e18 | 766 | (progn ; emacs |
f3eabcdf MK |
767 | (defalias 'ediff-read-event 'read-event) |
768 | (defalias 'ediff-overlayp 'overlayp) | |
769 | (defalias 'ediff-make-overlay 'make-overlay) | |
770 | (defalias 'ediff-delete-overlay 'delete-overlay)) | |
50a07e18 | 771 | ) |
acce6d21 | 772 | |
41d25ad0 KH |
773 | ;; Check the current version against the major and minor version numbers |
774 | ;; using op: cur-vers op major.minor If emacs-major-version or | |
775 | ;; emacs-minor-version are not defined, we assume that the current version | |
776 | ;; is hopelessly outdated. We assume that emacs-major-version and | |
777 | ;; emacs-minor-version are defined. Otherwise, for Emacs/XEmacs 19, if the | |
778 | ;; current minor version is < 10 (xemacs) or < 23 (emacs) the return value | |
779 | ;; will be nil (when op is =, >, or >=) and t (when op is <, <=), which may be | |
3af0304a | 780 | ;; incorrect. However, this gives correct result in our cases, since we are |
41d25ad0 KH |
781 | ;; testing for sufficiently high Emacs versions. |
782 | (defun ediff-check-version (op major minor &optional type-of-emacs) | |
783 | (if (and (boundp 'emacs-major-version) (boundp 'emacs-minor-version)) | |
784 | (and (cond ((eq type-of-emacs 'xemacs) ediff-xemacs-p) | |
785 | ((eq type-of-emacs 'emacs) ediff-emacs-p) | |
786 | (t t)) | |
787 | (cond ((eq op '=) (and (= emacs-minor-version minor) | |
788 | (= emacs-major-version major))) | |
789 | ((memq op '(> >= < <=)) | |
790 | (and (or (funcall op emacs-major-version major) | |
791 | (= emacs-major-version major)) | |
792 | (if (= emacs-major-version major) | |
793 | (funcall op emacs-minor-version minor) | |
794 | t))) | |
795 | (t | |
796 | (error "%S: Invalid op in ediff-check-version" op)))) | |
797 | (cond ((memq op '(= > >=)) nil) | |
798 | ((memq op '(< <=)) t)))) | |
acce6d21 TTN |
799 | |
800 | ||
d396e521 MK |
801 | (defun ediff-color-display-p () |
802 | (condition-case nil | |
50a07e18 MK |
803 | (ediff-cond-compile-for-xemacs-or-emacs |
804 | (eq (device-class (selected-device)) 'color) ; xemacs form | |
805 | (if (fboundp 'display-color-p) ; emacs form | |
806 | (display-color-p) | |
807 | (x-display-color-p)) | |
808 | ) | |
809 | (error nil))) | |
8343426b | 810 | |
acce6d21 | 811 | |
743a79af MK |
812 | ;; A var local to each control panel buffer. Indicates highlighting style |
813 | ;; in effect for this buffer: `face', `ascii', | |
814 | ;; `off' -- turned off \(on a dumb terminal only\). | |
71296446 | 815 | (ediff-defvar-local ediff-highlighting-style |
743a79af MK |
816 | (if (and (ediff-has-face-support-p) ediff-use-faces) 'face 'ascii) |
817 | "") | |
818 | ||
819 | ||
4ae69eac | 820 | (if (ediff-has-face-support-p) |
50a07e18 MK |
821 | (ediff-cond-compile-for-xemacs-or-emacs |
822 | (progn ; xemacs | |
823 | (defalias 'ediff-valid-color-p 'valid-color-name-p) | |
824 | (defalias 'ediff-get-face 'get-face)) | |
825 | (progn ; emacs | |
826 | (defalias 'ediff-valid-color-p (if (fboundp 'color-defined-p) | |
827 | 'color-defined-p | |
828 | 'x-color-defined-p)) | |
829 | (defalias 'ediff-get-face 'internal-get-face)) | |
830 | )) | |
4ae69eac MK |
831 | |
832 | (if (ediff-window-display-p) | |
50a07e18 MK |
833 | (ediff-cond-compile-for-xemacs-or-emacs |
834 | (progn ; xemacs | |
f3eabcdf MK |
835 | (defalias 'ediff-display-pixel-width 'device-pixel-width) |
836 | (defalias 'ediff-display-pixel-height 'device-pixel-height)) | |
50a07e18 | 837 | (progn ; emacs |
f3eabcdf | 838 | (defalias 'ediff-display-pixel-width |
50a07e18 | 839 | (if (fboundp 'display-pixel-width) |
f3eabcdf MK |
840 | 'display-pixel-width |
841 | 'x-display-pixel-width)) | |
842 | (defalias 'ediff-display-pixel-height | |
50a07e18 | 843 | (if (fboundp 'display-pixel-height) |
f3eabcdf MK |
844 | 'display-pixel-height |
845 | 'x-display-pixel-height))) | |
50a07e18 | 846 | )) |
acce6d21 | 847 | |
657f9cb8 | 848 | ;; A-list of current-diff-overlay symbols associated with buf types |
e756eb9f MK |
849 | (defconst ediff-current-diff-overlay-alist |
850 | '((A . ediff-current-diff-overlay-A) | |
851 | (B . ediff-current-diff-overlay-B) | |
852 | (C . ediff-current-diff-overlay-C) | |
853 | (Ancestor . ediff-current-diff-overlay-Ancestor))) | |
acce6d21 | 854 | |
657f9cb8 | 855 | ;; A-list of current-diff-face-* symbols associated with buf types |
e756eb9f | 856 | (defconst ediff-current-diff-face-alist |
8ea74b0e MK |
857 | '((A . ediff-current-diff-A) |
858 | (B . ediff-current-diff-B) | |
859 | (C . ediff-current-diff-C) | |
860 | (Ancestor . ediff-current-diff-Ancestor))) | |
acce6d21 | 861 | |
475f9031 | 862 | |
8343426b MK |
863 | (defun ediff-set-overlay-face (extent face) |
864 | (ediff-overlay-put extent 'face face) | |
865 | (ediff-overlay-put extent 'help-echo 'ediff-region-help-echo)) | |
acce6d21 | 866 | |
475de6f4 DL |
867 | (defun ediff-region-help-echo (extent-or-window &optional overlay point) |
868 | (unless overlay | |
869 | (setq overlay extent-or-window)) | |
870 | (let ((is-current (ediff-overlay-get overlay 'ediff)) | |
871 | (face (ediff-overlay-get overlay 'face)) | |
a21f0bd5 DL |
872 | (diff-num (ediff-overlay-get overlay 'ediff-diff-num)) |
873 | face-help) | |
8343426b MK |
874 | |
875 | ;; This happens only for refinement overlays | |
475de6f4 DL |
876 | (if (stringp face) |
877 | (setq face (intern face))) | |
8343426b MK |
878 | (setq face-help (and face (get face 'ediff-help-echo))) |
879 | ||
50575ec2 | 880 | (cond ((and is-current diff-num) ; current diff region |
bbe6126c | 881 | (format "Difference region %S -- current" (1+ diff-num))) |
475de6f4 | 882 | (face-help) ; refinement of current diff region |
50575ec2 | 883 | (diff-num ; non-current |
bbe6126c | 884 | (format "Difference region %S -- non-current" (1+ diff-num))) |
50575ec2 | 885 | (t "")) ; none |
30729019 | 886 | )) |
8343426b | 887 | |
36d57fa9 | 888 | |
92c51e07 MK |
889 | (defun ediff-set-face-pixmap (face pixmap) |
890 | "Set face pixmap on a monochrome display." | |
891 | (if (and (ediff-window-display-p) (not (ediff-color-display-p))) | |
892 | (condition-case nil | |
893 | (set-face-background-pixmap face pixmap) | |
894 | (error | |
895 | (message "Pixmap not found for %S: %s" (face-name face) pixmap) | |
896 | (sit-for 1))))) | |
897 | ||
4ae69eac | 898 | (defun ediff-hide-face (face) |
17561e4f MK |
899 | (if (and (ediff-has-face-support-p) |
900 | (boundp 'add-to-list) | |
7d0b18b1 | 901 | (boundp 'facemenu-unlisted-faces)) |
4ae69eac | 902 | (add-to-list 'facemenu-unlisted-faces face))) |
acce6d21 | 903 | |
475f9031 | 904 | |
985d0dad | 905 | |
fa735daa | 906 | (defface ediff-current-diff-A |
66507a7a KS |
907 | (if ediff-emacs-p |
908 | '((((class color) (min-colors 16)) | |
909 | (:foreground "firebrick" :background "pale green")) | |
910 | (((class color)) | |
911 | (:foreground "blue3" :background "yellow3")) | |
912 | (t (:inverse-video t))) | |
913 | '((((type tty)) (:foreground "blue3" :background "yellow3")) | |
914 | (((class color)) (:foreground "firebrick" :background "pale green")) | |
915 | (t (:inverse-video t)))) | |
985d0dad MK |
916 | "Face for highlighting the selected difference in buffer A." |
917 | :group 'ediff-highlighting) | |
3af0304a | 918 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 919 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 920 | (defvar ediff-current-diff-face-A 'ediff-current-diff-A |
8e41a31c | 921 | "Face for highlighting the selected difference in buffer A. |
3af0304a | 922 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 923 | widget to customize the actual face object `ediff-current-diff-A' |
8e41a31c | 924 | this variable represents.") |
8ea74b0e | 925 | (ediff-hide-face ediff-current-diff-face-A) |
985d0dad MK |
926 | ;; Until custom.el for XEmacs starts supporting :inverse-video we do this. |
927 | ;; This means that some user customization may be trashed. | |
928 | (if (and ediff-xemacs-p | |
929 | (ediff-has-face-support-p) | |
acce6d21 | 930 | (not (ediff-color-display-p))) |
8ea74b0e | 931 | (copy-face 'modeline ediff-current-diff-face-A)) |
985d0dad MK |
932 | |
933 | ||
934 | ||
fa735daa | 935 | (defface ediff-current-diff-B |
66507a7a KS |
936 | (if ediff-emacs-p |
937 | '((((class color) (min-colors 16)) | |
938 | (:foreground "DarkOrchid" :background "Yellow")) | |
939 | (((class color)) | |
940 | (:foreground "magenta3" :background "yellow3" | |
941 | :weight bold)) | |
942 | (t (:inverse-video t))) | |
943 | '((((type tty)) (:foreground "magenta3" :background "yellow3" | |
944 | :weight bold)) | |
945 | (((class color)) (:foreground "DarkOrchid" :background "Yellow")) | |
946 | (t (:inverse-video t)))) | |
985d0dad MK |
947 | "Face for highlighting the selected difference in buffer B." |
948 | :group 'ediff-highlighting) | |
3af0304a | 949 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 950 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 951 | (defvar ediff-current-diff-face-B 'ediff-current-diff-B |
8e41a31c | 952 | "Face for highlighting the selected difference in buffer B. |
3af0304a | 953 | this variable. Instead, use the customization |
fa735daa | 954 | widget to customize the actual face `ediff-current-diff-B' |
8e41a31c | 955 | this variable represents.") |
8ea74b0e | 956 | (ediff-hide-face ediff-current-diff-face-B) |
985d0dad MK |
957 | ;; Until custom.el for XEmacs starts supporting :inverse-video we do this. |
958 | ;; This means that some user customization may be trashed. | |
959 | (if (and ediff-xemacs-p | |
960 | (ediff-has-face-support-p) | |
acce6d21 | 961 | (not (ediff-color-display-p))) |
8ea74b0e | 962 | (copy-face 'modeline ediff-current-diff-face-B)) |
985d0dad | 963 | |
985d0dad | 964 | |
fa735daa | 965 | (defface ediff-current-diff-C |
66507a7a KS |
966 | (if ediff-emacs-p |
967 | '((((class color) (min-colors 16)) | |
968 | (:foreground "Navy" :background "Pink")) | |
969 | (((class color)) | |
970 | (:foreground "cyan3" :background "yellow3" :weight bold)) | |
971 | (t (:inverse-video t))) | |
972 | '((((type tty)) (:foreground "cyan3" :background "yellow3" :weight bold)) | |
973 | (((class color)) (:foreground "Navy" :background "Pink")) | |
974 | (t (:inverse-video t)))) | |
985d0dad MK |
975 | "Face for highlighting the selected difference in buffer C." |
976 | :group 'ediff-highlighting) | |
3af0304a | 977 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 978 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 979 | (defvar ediff-current-diff-face-C 'ediff-current-diff-C |
8e41a31c | 980 | "Face for highlighting the selected difference in buffer C. |
3af0304a | 981 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 982 | widget to customize the actual face object `ediff-current-diff-C' |
8e41a31c | 983 | this variable represents.") |
8ea74b0e | 984 | (ediff-hide-face ediff-current-diff-face-C) |
985d0dad MK |
985 | ;; Until custom.el for XEmacs starts supporting :inverse-video we do this. |
986 | ;; This means that some user customization may be trashed. | |
987 | (if (and ediff-xemacs-p | |
988 | (ediff-has-face-support-p) | |
acce6d21 | 989 | (not (ediff-color-display-p))) |
8ea74b0e | 990 | (copy-face 'modeline ediff-current-diff-face-C)) |
985d0dad | 991 | |
985d0dad | 992 | |
fa735daa | 993 | (defface ediff-current-diff-Ancestor |
66507a7a KS |
994 | (if ediff-emacs-p |
995 | '((((class color) (min-colors 16)) | |
996 | (:foreground "Black" :background "VioletRed")) | |
997 | (((class color)) | |
998 | (:foreground "black" :background "magenta3")) | |
999 | (t (:inverse-video t))) | |
1000 | '((((type tty)) (:foreground "black" :background "magenta3")) | |
1001 | (((class color)) (:foreground "Black" :background "VioletRed")) | |
1002 | (t (:inverse-video t)))) | |
985d0dad MK |
1003 | "Face for highlighting the selected difference in buffer Ancestor." |
1004 | :group 'ediff-highlighting) | |
3af0304a | 1005 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1006 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1007 | (defvar ediff-current-diff-face-Ancestor 'ediff-current-diff-Ancestor |
8e41a31c | 1008 | "Face for highlighting the selected difference in buffer Ancestor. |
3af0304a | 1009 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1010 | widget to customize the actual face object `ediff-current-diff-Ancestor' |
8e41a31c | 1011 | this variable represents.") |
8ea74b0e | 1012 | (ediff-hide-face ediff-current-diff-face-Ancestor) |
985d0dad MK |
1013 | ;; Until custom.el for XEmacs starts supporting :inverse-video we do this. |
1014 | ;; This means that some user customization may be trashed. | |
1015 | (if (and ediff-xemacs-p | |
1016 | (ediff-has-face-support-p) | |
acce6d21 | 1017 | (not (ediff-color-display-p))) |
8ea74b0e | 1018 | (copy-face 'modeline ediff-current-diff-face-Ancestor)) |
985d0dad | 1019 | |
985d0dad | 1020 | |
fa735daa | 1021 | (defface ediff-fine-diff-A |
66507a7a KS |
1022 | (if ediff-emacs-p |
1023 | '((((class color) (min-colors 16)) | |
1024 | (:foreground "Navy" :background "sky blue")) | |
1025 | (((class color)) | |
1026 | (:foreground "white" :background "sky blue" :weight bold)) | |
1027 | (t (:underline t :stipple "gray3"))) | |
1028 | '((((type tty)) (:foreground "white" :background "sky blue" :weight bold)) | |
1029 | (((class color)) (:foreground "Navy" :background "sky blue")) | |
1030 | (t (:underline t :stipple "gray3")))) | |
985d0dad MK |
1031 | "Face for highlighting the refinement of the selected diff in buffer A." |
1032 | :group 'ediff-highlighting) | |
3af0304a | 1033 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1034 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1035 | (defvar ediff-fine-diff-face-A 'ediff-fine-diff-A |
8e41a31c | 1036 | "Face for highlighting the fine differences in buffer A. |
3af0304a | 1037 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1038 | widget to customize the actual face object `ediff-fine-diff-A' |
8e41a31c | 1039 | this variable represents.") |
8ea74b0e | 1040 | (ediff-hide-face ediff-fine-diff-face-A) |
c004db97 | 1041 | |
fa735daa | 1042 | (defface ediff-fine-diff-B |
66507a7a KS |
1043 | (if ediff-emacs-p |
1044 | '((((class color) (min-colors 16)) | |
1045 | (:foreground "Black" :background "cyan")) | |
1046 | (((class color)) | |
1047 | (:foreground "magenta3" :background "cyan3")) | |
1048 | (t (:underline t :stipple "gray3"))) | |
1049 | '((((type tty)) (:foreground "magenta3" :background "cyan3")) | |
1050 | (((class color)) (:foreground "Black" :background "cyan")) | |
1051 | (t (:underline t :stipple "gray3")))) | |
985d0dad MK |
1052 | "Face for highlighting the refinement of the selected diff in buffer B." |
1053 | :group 'ediff-highlighting) | |
3af0304a | 1054 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1055 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1056 | (defvar ediff-fine-diff-face-B 'ediff-fine-diff-B |
8e41a31c | 1057 | "Face for highlighting the fine differences in buffer B. |
3af0304a | 1058 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1059 | widget to customize the actual face object `ediff-fine-diff-B' |
8e41a31c | 1060 | this variable represents.") |
8ea74b0e | 1061 | (ediff-hide-face ediff-fine-diff-face-B) |
c004db97 | 1062 | |
fa735daa | 1063 | (defface ediff-fine-diff-C |
66507a7a KS |
1064 | (if ediff-emacs-p |
1065 | '((((type pc)) | |
1066 | (:foreground "white" :background "Turquoise")) | |
1067 | (((class color) (min-colors 16)) | |
1068 | (:foreground "Black" :background "Turquoise")) | |
1069 | (((class color)) | |
1070 | (:foreground "yellow3" :background "Turquoise" | |
1071 | :weight bold)) | |
1072 | (t (:underline t :stipple "gray3"))) | |
1073 | '((((type tty)) (:foreground "yellow3" :background "Turquoise" | |
1074 | :weight bold)) | |
1075 | (((type pc)) (:foreground "white" :background "Turquoise")) | |
1076 | (((class color)) (:foreground "Black" :background "Turquoise")) | |
1077 | (t (:underline t :stipple "gray3")))) | |
985d0dad MK |
1078 | "Face for highlighting the refinement of the selected diff in buffer C." |
1079 | :group 'ediff-highlighting) | |
3af0304a | 1080 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1081 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1082 | (defvar ediff-fine-diff-face-C 'ediff-fine-diff-C |
8e41a31c | 1083 | "Face for highlighting the fine differences in buffer C. |
3af0304a | 1084 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1085 | widget to customize the actual face object `ediff-fine-diff-C' |
8e41a31c | 1086 | this variable represents.") |
8ea74b0e | 1087 | (ediff-hide-face ediff-fine-diff-face-C) |
c004db97 | 1088 | |
fa735daa | 1089 | (defface ediff-fine-diff-Ancestor |
66507a7a KS |
1090 | (if ediff-emacs-p |
1091 | '((((class color) (min-colors 16)) | |
1092 | (:foreground "Black" :background "Green")) | |
1093 | (((class color)) | |
1094 | (:foreground "red3" :background "green")) | |
1095 | (t (:underline t :stipple "gray3"))) | |
1096 | '((((type tty)) (:foreground "red3" :background "green")) | |
1097 | (((class color)) (:foreground "Black" :background "Green")) | |
1098 | (t (:underline t :stipple "gray3")))) | |
985d0dad MK |
1099 | "Face for highlighting the refinement of the selected diff in the ancestor buffer. |
1100 | At present, this face is not used and no fine differences are computed for the | |
1101 | ancestor buffer." | |
1102 | :group 'ediff-highlighting) | |
3af0304a | 1103 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1104 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1105 | (defvar ediff-fine-diff-face-Ancestor 'ediff-fine-diff-Ancestor |
8e41a31c | 1106 | "Face for highlighting the fine differences in buffer Ancestor. |
3af0304a | 1107 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1108 | widget to customize the actual face object `ediff-fine-diff-Ancestor' |
8e41a31c | 1109 | this variable represents.") |
8ea74b0e | 1110 | (ediff-hide-face ediff-fine-diff-face-Ancestor) |
c004db97 | 1111 | |
3af0304a MK |
1112 | ;; Some installs don't have stipple or Stipple. So, try them in turn. |
1113 | (defvar stipple-pixmap | |
086171bf | 1114 | (cond ((not (ediff-has-face-support-p)) nil) |
3af0304a MK |
1115 | ((and (boundp 'x-bitmap-file-path) |
1116 | (locate-library "stipple" t x-bitmap-file-path)) "stipple") | |
1117 | ((and (boundp 'mswindowsx-bitmap-file-path) | |
1118 | (locate-library "stipple" t mswindowsx-bitmap-file-path)) "stipple") | |
1119 | (t "Stipple"))) | |
1120 | ||
fa735daa | 1121 | (defface ediff-even-diff-A |
66507a7a KS |
1122 | (if ediff-emacs-p |
1123 | `((((type pc)) | |
1124 | (:foreground "green3" :background "light grey")) | |
1125 | (((class color) (min-colors 16)) | |
1126 | (:foreground "Black" :background "light grey")) | |
1127 | (((class color)) | |
1128 | (:foreground "red3" :background "light grey" | |
1129 | :weight bold)) | |
1130 | (t (:italic t :stipple ,stipple-pixmap))) | |
1131 | `((((type tty)) (:foreground "red3" :background "light grey" | |
1132 | :weight bold)) | |
1133 | (((type pc)) (:foreground "green3" :background "light grey")) | |
1134 | (((class color)) (:foreground "Black" :background "light grey")) | |
1135 | (t (:italic t :stipple ,stipple-pixmap)))) | |
985d0dad MK |
1136 | "Face for highlighting even-numbered non-current differences in buffer A." |
1137 | :group 'ediff-highlighting) | |
3af0304a | 1138 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1139 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1140 | (defvar ediff-even-diff-face-A 'ediff-even-diff-A |
8e41a31c | 1141 | "Face for highlighting even-numbered non-current differences in buffer A. |
3af0304a | 1142 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1143 | widget to customize the actual face object `ediff-even-diff-A' |
8e41a31c | 1144 | this variable represents.") |
8ea74b0e | 1145 | (ediff-hide-face ediff-even-diff-face-A) |
c004db97 | 1146 | |
fa735daa | 1147 | (defface ediff-even-diff-B |
66507a7a | 1148 | (if ediff-emacs-p |
1e39fa26 | 1149 | `((((class color) (min-colors 16)) |
66507a7a | 1150 | (:foreground "White" :background "Grey")) |
1e39fa26 | 1151 | (((class color)) |
66507a7a KS |
1152 | (:foreground "blue3" :background "Grey" :weight bold)) |
1153 | (t (:italic t :stipple ,stipple-pixmap))) | |
1154 | `((((type tty)) (:foreground "blue3" :background "Grey" :weight bold)) | |
1155 | (((class color)) (:foreground "White" :background "Grey")) | |
1156 | (t (:italic t :stipple ,stipple-pixmap)))) | |
985d0dad MK |
1157 | "Face for highlighting even-numbered non-current differences in buffer B." |
1158 | :group 'ediff-highlighting) | |
3af0304a | 1159 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1160 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1161 | (defvar ediff-even-diff-face-B 'ediff-even-diff-B |
8e41a31c | 1162 | "Face for highlighting even-numbered non-current differences in buffer B. |
3af0304a | 1163 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1164 | widget to customize the actual face object `ediff-even-diff-B' |
8e41a31c | 1165 | this variable represents.") |
8ea74b0e | 1166 | (ediff-hide-face ediff-even-diff-face-B) |
c004db97 | 1167 | |
fa735daa | 1168 | (defface ediff-even-diff-C |
66507a7a KS |
1169 | (if ediff-emacs-p |
1170 | `((((type pc)) | |
1171 | (:foreground "yellow3" :background "light grey")) | |
1172 | (((class color) (min-colors 16)) | |
1173 | (:foreground "Black" :background "light grey")) | |
1174 | (((class color)) | |
1175 | (:foreground "yellow3" :background "light grey" | |
1176 | :weight bold)) | |
1177 | (t (:italic t :stipple ,stipple-pixmap))) | |
1178 | `((((type tty)) (:foreground "yellow3" :background "light grey" | |
1179 | :weight bold)) | |
1180 | (((type pc)) (:foreground "yellow3" :background "light grey")) | |
1181 | (((class color)) (:foreground "Black" :background "light grey")) | |
1182 | (t (:italic t :stipple ,stipple-pixmap)))) | |
985d0dad MK |
1183 | "Face for highlighting even-numbered non-current differences in buffer C." |
1184 | :group 'ediff-highlighting) | |
3af0304a | 1185 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1186 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1187 | (defvar ediff-even-diff-face-C 'ediff-even-diff-C |
8e41a31c | 1188 | "Face for highlighting even-numbered non-current differences in buffer C. |
3af0304a | 1189 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1190 | widget to customize the actual face object `ediff-even-diff-C' |
8e41a31c | 1191 | this variable represents.") |
8ea74b0e | 1192 | (ediff-hide-face ediff-even-diff-face-C) |
c004db97 | 1193 | |
fa735daa | 1194 | (defface ediff-even-diff-Ancestor |
66507a7a KS |
1195 | (if ediff-emacs-p |
1196 | `((((type pc)) | |
1197 | (:foreground "cyan3" :background "light grey")) | |
1198 | (((class color) (min-colors 16)) | |
1199 | (:foreground "White" :background "Grey")) | |
1200 | (((class color)) | |
1201 | (:foreground "cyan3" :background "light grey" | |
1202 | :weight bold)) | |
1203 | (t (:italic t :stipple ,stipple-pixmap))) | |
1204 | `((((type tty)) (:foreground "cyan3" :background "light grey" | |
1205 | :weight bold)) | |
1206 | (((type pc)) (:foreground "cyan3" :background "light grey")) | |
1207 | (((class color)) (:foreground "White" :background "Grey")) | |
1208 | (t (:italic t :stipple ,stipple-pixmap)))) | |
985d0dad MK |
1209 | "Face for highlighting even-numbered non-current differences in the ancestor buffer." |
1210 | :group 'ediff-highlighting) | |
3af0304a | 1211 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1212 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1213 | (defvar ediff-even-diff-face-Ancestor 'ediff-even-diff-Ancestor |
8e41a31c | 1214 | "Face for highlighting even-numbered non-current differences in buffer Ancestor. |
3af0304a | 1215 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1216 | widget to customize the actual face object `ediff-even-diff-Ancestor' |
8e41a31c | 1217 | this variable represents.") |
8ea74b0e | 1218 | (ediff-hide-face ediff-even-diff-face-Ancestor) |
c004db97 | 1219 | |
e756eb9f MK |
1220 | ;; Association between buffer types and even-diff-face symbols |
1221 | (defconst ediff-even-diff-face-alist | |
fa735daa MB |
1222 | '((A . ediff-even-diff-A) |
1223 | (B . ediff-even-diff-B) | |
1224 | (C . ediff-even-diff-C) | |
1225 | (Ancestor . ediff-even-diff-Ancestor))) | |
e756eb9f | 1226 | |
fa735daa | 1227 | (defface ediff-odd-diff-A |
66507a7a KS |
1228 | (if ediff-emacs-p |
1229 | '((((type pc)) | |
1230 | (:foreground "green3" :background "gray40")) | |
1231 | (((class color) (min-colors 16)) | |
1232 | (:foreground "White" :background "Grey")) | |
1233 | (((class color)) | |
1234 | (:foreground "red3" :background "black" :weight bold)) | |
1235 | (t (:italic t :stipple "gray1"))) | |
1236 | '((((type tty)) (:foreground "red3" :background "black" :weight bold)) | |
1237 | (((type pc)) (:foreground "green3" :background "gray40")) | |
1238 | (((class color)) (:foreground "White" :background "Grey")) | |
1239 | (t (:italic t :stipple "gray1")))) | |
985d0dad MK |
1240 | "Face for highlighting odd-numbered non-current differences in buffer A." |
1241 | :group 'ediff-highlighting) | |
3af0304a | 1242 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1243 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1244 | (defvar ediff-odd-diff-face-A 'ediff-odd-diff-A |
8e41a31c | 1245 | "Face for highlighting odd-numbered non-current differences in buffer A. |
3af0304a | 1246 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1247 | widget to customize the actual face object `ediff-odd-diff-A' |
8e41a31c | 1248 | this variable represents.") |
8ea74b0e | 1249 | (ediff-hide-face ediff-odd-diff-face-A) |
c004db97 | 1250 | |
985d0dad | 1251 | |
fa735daa | 1252 | (defface ediff-odd-diff-B |
66507a7a KS |
1253 | (if ediff-emacs-p |
1254 | '((((type pc)) | |
1255 | (:foreground "White" :background "gray40")) | |
1256 | (((class color) (min-colors 16)) | |
1257 | (:foreground "Black" :background "light grey")) | |
1258 | (((class color)) | |
1259 | (:foreground "cyan3" :background "black" :weight bold)) | |
1260 | (t (:italic t :stipple "gray1"))) | |
1261 | '((((type tty)) (:foreground "cyan3" :background "black" :weight bold)) | |
1262 | (((type pc)) (:foreground "White" :background "gray40")) | |
1263 | (((class color)) (:foreground "Black" :background "light grey")) | |
1264 | (t (:italic t :stipple "gray1")))) | |
985d0dad MK |
1265 | "Face for highlighting odd-numbered non-current differences in buffer B." |
1266 | :group 'ediff-highlighting) | |
3af0304a | 1267 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1268 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1269 | (defvar ediff-odd-diff-face-B 'ediff-odd-diff-B |
8e41a31c | 1270 | "Face for highlighting odd-numbered non-current differences in buffer B. |
3af0304a | 1271 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1272 | widget to customize the actual face object `ediff-odd-diff-B' |
8e41a31c | 1273 | this variable represents.") |
8ea74b0e | 1274 | (ediff-hide-face ediff-odd-diff-face-B) |
c004db97 | 1275 | |
fa735daa | 1276 | (defface ediff-odd-diff-C |
66507a7a KS |
1277 | (if ediff-emacs-p |
1278 | '((((type pc)) | |
1279 | (:foreground "yellow3" :background "gray40")) | |
1280 | (((class color) (min-colors 16)) | |
1281 | (:foreground "White" :background "Grey")) | |
1282 | (((class color)) | |
1283 | (:foreground "yellow3" :background "black" :weight bold)) | |
1284 | (t (:italic t :stipple "gray1"))) | |
1285 | '((((type tty)) (:foreground "yellow3" :background "black" :weight bold)) | |
1286 | (((type pc)) (:foreground "yellow3" :background "gray40")) | |
1287 | (((class color)) (:foreground "White" :background "Grey")) | |
1288 | (t (:italic t :stipple "gray1")))) | |
985d0dad MK |
1289 | "Face for highlighting odd-numbered non-current differences in buffer C." |
1290 | :group 'ediff-highlighting) | |
3af0304a | 1291 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1292 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1293 | (defvar ediff-odd-diff-face-C 'ediff-odd-diff-C |
8e41a31c | 1294 | "Face for highlighting odd-numbered non-current differences in buffer C. |
3af0304a | 1295 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1296 | widget to customize the actual face object `ediff-odd-diff-C' |
8e41a31c | 1297 | this variable represents.") |
8ea74b0e | 1298 | (ediff-hide-face ediff-odd-diff-face-C) |
c004db97 | 1299 | |
fa735daa | 1300 | (defface ediff-odd-diff-Ancestor |
66507a7a KS |
1301 | (if ediff-emacs-p |
1302 | '((((class color) (min-colors 16)) | |
1303 | (:foreground "cyan3" :background "gray40")) | |
1304 | (((class color)) | |
1305 | (:foreground "green3" :background "black" :weight bold)) | |
1306 | (t (:italic t :stipple "gray1"))) | |
1307 | '((((type tty)) (:foreground "green3" :background "black" :weight bold)) | |
1308 | (((class color)) (:foreground "cyan3" :background "gray40")) | |
1309 | (t (:italic t :stipple "gray1")))) | |
985d0dad MK |
1310 | "Face for highlighting odd-numbered non-current differences in the ancestor buffer." |
1311 | :group 'ediff-highlighting) | |
3af0304a | 1312 | ;; An internal variable. Ediff takes the face from here. When unhighlighting, |
985d0dad | 1313 | ;; this variable is set to nil, then again to the appropriate face. |
fa735daa | 1314 | (defvar ediff-odd-diff-face-Ancestor 'ediff-odd-diff-Ancestor |
8e41a31c | 1315 | "Face for highlighting odd-numbered non-current differences in buffer Ancestor. |
3af0304a | 1316 | DO NOT CHANGE this variable. Instead, use the customization |
fa735daa | 1317 | widget to customize the actual face object `ediff-odd-diff-Ancestor' |
8e41a31c | 1318 | this variable represents.") |
8ea74b0e | 1319 | (ediff-hide-face ediff-odd-diff-face-Ancestor) |
c004db97 | 1320 | |
e756eb9f MK |
1321 | ;; Association between buffer types and odd-diff-face symbols |
1322 | (defconst ediff-odd-diff-face-alist | |
8ea74b0e MK |
1323 | '((A . ediff-odd-diff-A) |
1324 | (B . ediff-odd-diff-B) | |
1325 | (C . ediff-odd-diff-C) | |
1326 | (Ancestor . ediff-odd-diff-Ancestor))) | |
acce6d21 | 1327 | |
e756eb9f MK |
1328 | ;; A-list of fine-diff face symbols associated with buffer types |
1329 | (defconst ediff-fine-diff-face-alist | |
8ea74b0e MK |
1330 | '((A . ediff-fine-diff-A) |
1331 | (B . ediff-fine-diff-B) | |
1332 | (C . ediff-fine-diff-C) | |
1333 | (Ancestor . ediff-fine-diff-Ancestor))) | |
e756eb9f | 1334 | |
8343426b | 1335 | ;; Help echo |
8ea74b0e | 1336 | (put ediff-fine-diff-face-A 'ediff-help-echo |
8343426b | 1337 | "A `refinement' of the current difference region") |
8ea74b0e | 1338 | (put ediff-fine-diff-face-B 'ediff-help-echo |
8343426b | 1339 | "A `refinement' of the current difference region") |
8ea74b0e | 1340 | (put ediff-fine-diff-face-C 'ediff-help-echo |
8343426b | 1341 | "A `refinement' of the current difference region") |
8ea74b0e | 1342 | (put ediff-fine-diff-face-Ancestor 'ediff-help-echo |
8343426b MK |
1343 | "A `refinement' of the current difference region") |
1344 | ||
7261ece3 MK |
1345 | (add-hook 'ediff-quit-hook 'ediff-cleanup-mess) |
1346 | (add-hook 'ediff-suspend-hook 'ediff-default-suspend-function) | |
1347 | ||
475f9031 KH |
1348 | |
1349 | ;;; Overlays | |
1350 | ||
8343426b MK |
1351 | (ediff-defvar-local ediff-current-diff-overlay-A nil |
1352 | "Overlay for the current difference region in buffer A.") | |
1353 | (ediff-defvar-local ediff-current-diff-overlay-B nil | |
1354 | "Overlay for the current difference region in buffer B.") | |
1355 | (ediff-defvar-local ediff-current-diff-overlay-C nil | |
1356 | "Overlay for the current difference region in buffer C.") | |
1357 | (ediff-defvar-local ediff-current-diff-overlay-Ancestor nil | |
1358 | "Overlay for the current difference region in the ancestor buffer.") | |
e756eb9f | 1359 | |
4960e757 | 1360 | ;; Compute priority of a current ediff overlay. |
8343426b MK |
1361 | (defun ediff-highest-priority (start end buffer) |
1362 | (let ((pos (max 1 (1- start))) | |
1363 | ovr-list) | |
50a07e18 MK |
1364 | (ediff-cond-compile-for-xemacs-or-emacs |
1365 | (1+ ediff-shadow-overlay-priority) ; xemacs form | |
1366 | ;; emacs form | |
1367 | (ediff-with-current-buffer buffer | |
1368 | (while (< pos (min (point-max) (1+ end))) | |
1369 | (setq ovr-list (append (overlays-at pos) ovr-list)) | |
1370 | (setq pos (next-overlay-change pos))) | |
1371 | (+ 1 ediff-shadow-overlay-priority | |
1372 | (apply 'max | |
1373 | (cons | |
1374 | 1 | |
1375 | (mapcar | |
1376 | (lambda (ovr) | |
1377 | (if (and ovr | |
1378 | ;; exclude ediff overlays from priority | |
1379 | ;; calculation, or else priority will keep | |
1380 | ;; increasing | |
1381 | (null (ediff-overlay-get ovr 'ediff)) | |
1382 | (null (ediff-overlay-get ovr 'ediff-diff-num))) | |
1383 | ;; use the overlay priority or 0 | |
1384 | (or (ediff-overlay-get ovr 'priority) 0) | |
1385 | 0)) | |
1386 | ovr-list) | |
1387 | ) | |
1388 | ))) | |
1389 | ) ; ediff-cond-compile-for-xemacs-or-emacs | |
1390 | )) | |
acce6d21 TTN |
1391 | |
1392 | ||
475f9031 KH |
1393 | (defvar ediff-toggle-read-only-function nil |
1394 | "*Specifies the function to be used to toggle read-only. | |
1395 | If nil, Ediff tries to deduce the function from the binding of C-x C-q. | |
1396 | Normally, this is the `toggle-read-only' function, but, if version | |
1397 | control is used, it could be `vc-toggle-read-only' or `rcs-toggle-read-only'.") | |
1398 | ||
1e70790f MK |
1399 | (defcustom ediff-make-buffers-readonly-at-startup nil |
1400 | "*Make all variant buffers read-only when Ediff starts up. | |
1401 | This property can be toggled interactively." | |
1402 | :type 'boolean | |
1403 | :group 'ediff) | |
1404 | ||
475f9031 KH |
1405 | |
1406 | ;;; Misc | |
1407 | ||
475f9031 | 1408 | ;; if nil, this silences some messages |
17561e4f | 1409 | (defconst ediff-verbose-p t) |
92c51e07 | 1410 | |
328b4b70 | 1411 | (defcustom ediff-autostore-merges 'group-jobs-only |
92c51e07 | 1412 | "*Save the results of merge jobs automatically. |
b9fe4732 | 1413 | nil means don't save automatically. t means always save. Anything else |
92c51e07 | 1414 | means save automatically only if the merge job is part of a group of jobs, such |
2eb4bdca | 1415 | as `ediff-merge-directory' or `ediff-merge-directory-revisions'." |
3af0304a | 1416 | :type '(choice (const nil) (const t) (const group-jobs-only)) |
328b4b70 MK |
1417 | :group 'ediff-merge) |
1418 | (make-variable-buffer-local 'ediff-autostore-merges) | |
92c51e07 | 1419 | |
3af0304a | 1420 | ;; file where the result of the merge is to be saved. used internally |
92c51e07 | 1421 | (ediff-defvar-local ediff-merge-store-file nil "") |
6de3983f MK |
1422 | |
1423 | (defcustom ediff-merge-filename-prefix "merge_" | |
1424 | "*Prefix to be attached to saved merge buffers." | |
1425 | :type 'string | |
1426 | :group 'ediff-merge) | |
acce6d21 | 1427 | |
1e70790f | 1428 | (defcustom ediff-no-emacs-help-in-control-buffer nil |
475f9031 | 1429 | "*Non-nil means C-h should not invoke Emacs help in control buffer. |
1e70790f MK |
1430 | Instead, C-h would jump to previous difference." |
1431 | :type 'boolean | |
1432 | :group 'ediff) | |
acce6d21 | 1433 | |
3af0304a MK |
1434 | ;; This is the same as temporary-file-directory from Emacs 20.3. |
1435 | ;; Copied over here because XEmacs doesn't have this variable. | |
acce6d21 TTN |
1436 | (defcustom ediff-temp-file-prefix |
1437 | (file-name-as-directory | |
3af0304a MK |
1438 | (cond ((boundp 'temporary-file-directory) temporary-file-directory) |
1439 | ((fboundp 'temp-directory) (temp-directory)) | |
1440 | (t "/tmp/"))) | |
acce6d21 | 1441 | ;;; (file-name-as-directory |
3af0304a MK |
1442 | ;;; (cond ((memq system-type '(ms-dos windows-nt)) |
1443 | ;;; (or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP") "c:/temp")) | |
1444 | ;;; ((memq system-type '(vax-vms axp-vms)) | |
1445 | ;;; (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "SYS$SCRATCH:")) | |
1446 | ;;; (t | |
1447 | ;;; (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp")))) | |
475f9031 | 1448 | "*Prefix to put on Ediff temporary file names. |
61d5c492 | 1449 | Do not start with `~/' or `~USERNAME/'." |
328b4b70 MK |
1450 | :type 'string |
1451 | :group 'ediff) | |
475f9031 | 1452 | |
328b4b70 MK |
1453 | (defcustom ediff-temp-file-mode 384 ; u=rw only |
1454 | "*Mode for Ediff temporary files." | |
1455 | :type 'integer | |
1456 | :group 'ediff) | |
acce6d21 | 1457 | |
475f9031 KH |
1458 | ;; Metacharacters that have to be protected from the shell when executing |
1459 | ;; a diff/diff3 command. | |
328b4b70 MK |
1460 | (defcustom ediff-metachars "[ \t\n!\"#$&'()*;<=>?[\\^`{|~]" |
1461 | "Regexp that matches characters that must be quoted with `\\' in shell command line. | |
1462 | This default should work without changes." | |
1463 | :type 'string | |
1464 | :group 'ediff) | |
475f9031 | 1465 | |
4ae69eac | 1466 | ;; needed to simulate frame-char-width in XEmacs. |
a335c7d5 | 1467 | (defvar ediff-H-glyph (if (featurep 'xemacs) (make-glyph "H"))) |
4ae69eac | 1468 | |
acce6d21 | 1469 | |
1e70790f MK |
1470 | ;; Temporary file used for refining difference regions in buffer A. |
1471 | (ediff-defvar-local ediff-temp-file-A nil "") | |
1472 | ;; Temporary file used for refining difference regions in buffer B. | |
1473 | (ediff-defvar-local ediff-temp-file-B nil "") | |
1474 | ;; Temporary file used for refining difference regions in buffer C. | |
1475 | (ediff-defvar-local ediff-temp-file-C nil "") | |
1476 | ||
475f9031 | 1477 | |
4960e757 | 1478 | (defun ediff-file-remote-p (file-name) |
17561e4f | 1479 | (file-remote-p file-name)) |
4960e757 MK |
1480 | |
1481 | ;; File for which we can get attributes, such as size or date | |
1482 | (defun ediff-listable-file (file-name) | |
1483 | (let ((handler (find-file-name-handler file-name 'file-local-copy))) | |
1484 | (or (null handler) (eq handler 'dired-handler-fn)))) | |
475f9031 | 1485 | |
acce6d21 | 1486 | |
475f9031 | 1487 | (defsubst ediff-frame-unsplittable-p (frame) |
41d25ad0 | 1488 | (cdr (assq 'unsplittable (frame-parameters frame)))) |
475f9031 KH |
1489 | |
1490 | (defsubst ediff-get-next-window (wind prev-wind) | |
cadc57d2 MK |
1491 | (cond ((window-live-p wind) wind) |
1492 | (prev-wind (next-window wind)) | |
1493 | (t (selected-window)) | |
1494 | )) | |
475f9031 | 1495 | |
475f9031 KH |
1496 | |
1497 | (defsubst ediff-kill-buffer-carefully (buf) | |
1498 | "Kill buffer BUF if it exists." | |
1499 | (if (ediff-buffer-live-p buf) | |
1500 | (kill-buffer (get-buffer buf)))) | |
92c51e07 | 1501 | |
ddc90f39 MK |
1502 | (defsubst ediff-background-face (buf-type dif-num) |
1503 | ;; The value of dif-num is always 1- the one that user sees. | |
1504 | ;; This is why even face is used when dif-num is odd. | |
e756eb9f MK |
1505 | (ediff-get-symbol-from-alist |
1506 | buf-type (if (ediff-odd-p dif-num) | |
1507 | ediff-even-diff-face-alist | |
1508 | ediff-odd-diff-face-alist) | |
1509 | )) | |
ddc90f39 | 1510 | |
92c51e07 MK |
1511 | |
1512 | ;; activate faces on diff regions in buffer | |
1513 | (defun ediff-paint-background-regions-in-one-buffer (buf-type unhighlight) | |
acce6d21 | 1514 | (let ((diff-vector |
e756eb9f MK |
1515 | (eval (ediff-get-symbol-from-alist |
1516 | buf-type ediff-difference-vector-alist))) | |
92c51e07 | 1517 | overl diff-num) |
3af0304a MK |
1518 | (mapcar (lambda (rec) |
1519 | (setq overl (ediff-get-diff-overlay-from-diff-record rec) | |
1520 | diff-num (ediff-overlay-get overl 'ediff-diff-num)) | |
1521 | (if (ediff-overlay-buffer overl) | |
1522 | ;; only if overlay is alive | |
1523 | (ediff-set-overlay-face | |
1524 | overl | |
1525 | (if (not unhighlight) | |
1526 | (ediff-background-face buf-type diff-num)))) | |
1527 | ) | |
92c51e07 MK |
1528 | diff-vector))) |
1529 | ||
1530 | ||
1531 | ;; activate faces on diff regions in all buffers | |
1532 | (defun ediff-paint-background-regions (&optional unhighlight) | |
1533 | (ediff-paint-background-regions-in-one-buffer | |
1534 | 'A unhighlight) | |
1535 | (ediff-paint-background-regions-in-one-buffer | |
1536 | 'B unhighlight) | |
1537 | (ediff-paint-background-regions-in-one-buffer | |
1538 | 'C unhighlight) | |
1539 | (ediff-paint-background-regions-in-one-buffer | |
1540 | 'Ancestor unhighlight)) | |
1541 | ||
acce6d21 | 1542 | |
475f9031 KH |
1543 | ;; arg is a record for a given diff in a difference vector |
1544 | ;; this record is itself a vector | |
1545 | (defsubst ediff-clear-fine-diff-vector (diff-record) | |
1546 | (if diff-record | |
1547 | (mapcar 'ediff-delete-overlay | |
1548 | (ediff-get-fine-diff-vector-from-diff-record diff-record)))) | |
acce6d21 | 1549 | |
475f9031 KH |
1550 | (defsubst ediff-clear-fine-differences-in-one-buffer (n buf-type) |
1551 | (ediff-clear-fine-diff-vector (ediff-get-difference n buf-type)) | |
1552 | (ediff-set-fine-diff-vector n buf-type nil)) | |
acce6d21 | 1553 | |
475f9031 KH |
1554 | (defsubst ediff-clear-fine-differences (n) |
1555 | (ediff-clear-fine-differences-in-one-buffer n 'A) | |
1556 | (ediff-clear-fine-differences-in-one-buffer n 'B) | |
1557 | (if ediff-3way-job | |
1558 | (ediff-clear-fine-differences-in-one-buffer n 'C))) | |
acce6d21 | 1559 | |
475f9031 | 1560 | |
475f9031 | 1561 | (defsubst ediff-mouse-event-p (event) |
50a07e18 MK |
1562 | (ediff-cond-compile-for-xemacs-or-emacs |
1563 | (button-event-p event) ; xemacs form | |
1564 | (string-match "mouse" (format "%S" (event-basic-type event))) ; emacs form | |
1565 | )) | |
8343426b MK |
1566 | |
1567 | ||
1568 | (defsubst ediff-key-press-event-p (event) | |
50a07e18 MK |
1569 | (ediff-cond-compile-for-xemacs-or-emacs |
1570 | (key-press-event-p event) ; xemacs form | |
1571 | (or (char-or-string-p event) (symbolp event)) ; emacs form | |
1572 | )) | |
8343426b MK |
1573 | |
1574 | (defun ediff-event-point (event) | |
1575 | (cond ((ediff-mouse-event-p event) | |
50a07e18 MK |
1576 | (ediff-cond-compile-for-xemacs-or-emacs |
1577 | (event-point event) ; xemacs form | |
1578 | (posn-point (event-start event)) ; emacs form | |
1579 | ) | |
1580 | ) | |
8343426b MK |
1581 | ((ediff-key-press-event-p event) |
1582 | (point)) | |
50a07e18 | 1583 | (t (error nil)))) |
8343426b MK |
1584 | |
1585 | (defun ediff-event-buffer (event) | |
1586 | (cond ((ediff-mouse-event-p event) | |
50a07e18 MK |
1587 | (ediff-cond-compile-for-xemacs-or-emacs |
1588 | (event-buffer event) ; xemacs form | |
1589 | (window-buffer (posn-window (event-start event))) ; emacs form | |
1590 | ) | |
1591 | ) | |
8343426b MK |
1592 | ((ediff-key-press-event-p event) |
1593 | (current-buffer)) | |
50a07e18 MK |
1594 | (t (error nil)))) |
1595 | ||
1596 | (defun ediff-event-key (event-or-key) | |
1597 | (ediff-cond-compile-for-xemacs-or-emacs | |
1598 | (if (eventp event-or-key) (event-key event-or-key) event-or-key) ; xemacs | |
1599 | event-or-key ; emacs form | |
1600 | )) | |
acce6d21 TTN |
1601 | |
1602 | ||
475f9031 | 1603 | (defsubst ediff-frame-iconified-p (frame) |
41d25ad0 | 1604 | (if (and (ediff-window-display-p) (frame-live-p frame)) |
50a07e18 MK |
1605 | (ediff-cond-compile-for-xemacs-or-emacs |
1606 | (frame-iconified-p frame) ; xemacs form | |
1607 | (eq (frame-visible-p frame) 'icon) ; emacs form | |
1608 | ) | |
1609 | )) | |
acce6d21 | 1610 | |
475f9031 | 1611 | (defsubst ediff-window-visible-p (wind) |
41d25ad0 | 1612 | ;; under TTY, window-live-p also means window is visible |
475f9031 | 1613 | (and (window-live-p wind) |
41d25ad0 KH |
1614 | (or (not (ediff-window-display-p)) |
1615 | (frame-visible-p (window-frame wind))))) | |
acce6d21 | 1616 | |
475f9031 KH |
1617 | |
1618 | (defsubst ediff-frame-char-width (frame) | |
50a07e18 MK |
1619 | (ediff-cond-compile-for-xemacs-or-emacs |
1620 | (/ (frame-pixel-width frame) (frame-width frame)) ; xemacs | |
1621 | (frame-char-width frame) ; emacs | |
1622 | )) | |
acce6d21 | 1623 | |
8343426b MK |
1624 | (defun ediff-reset-mouse (&optional frame do-not-grab-mouse) |
1625 | (or frame (setq frame (selected-frame))) | |
41d25ad0 | 1626 | (if (ediff-window-display-p) |
8343426b | 1627 | (let ((frame-or-wind frame)) |
acce6d21 | 1628 | (if ediff-xemacs-p |
8343426b MK |
1629 | (setq frame-or-wind (frame-selected-window frame))) |
1630 | (or do-not-grab-mouse | |
1631 | ;; don't set mouse if the user said to never do this | |
acce6d21 | 1632 | (not ediff-grab-mouse) |
8343426b MK |
1633 | ;; Don't grab on quit, if the user doesn't want to. |
1634 | ;; If ediff-grab-mouse = t, then mouse won't be grabbed for | |
1635 | ;; sessions that are not part of a group (this is done in | |
3af0304a | 1636 | ;; ediff-recenter). The condition below affects only terminating |
ceb0ea8b | 1637 | ;; sessions in session groups (in which case mouse is warped into |
8343426b MK |
1638 | ;; a meta buffer). |
1639 | (and (eq ediff-grab-mouse 'maybe) | |
1640 | (memq this-command '(ediff-quit ediff-update-diffs))) | |
1641 | (set-mouse-position frame-or-wind 1 0)) | |
1642 | ))) | |
1643 | ||
1644 | (defsubst ediff-spy-after-mouse () | |
1645 | (setq ediff-mouse-pixel-position (mouse-pixel-position))) | |
1646 | ||
4ae69eac | 1647 | ;; It is not easy to find out when the user grabs the mouse, since emacs and |
3af0304a | 1648 | ;; xemacs behave differently when mouse is not in any frame. Also, this is |
4ae69eac | 1649 | ;; sensitive to when the user grabbed mouse. Not used for now. |
8343426b MK |
1650 | (defun ediff-user-grabbed-mouse () |
1651 | (if ediff-mouse-pixel-position | |
1652 | (cond ((not (eq (car ediff-mouse-pixel-position) | |
1653 | (car (mouse-pixel-position))))) | |
1654 | ((and (car (cdr ediff-mouse-pixel-position)) | |
1655 | (car (cdr (mouse-pixel-position))) | |
1656 | (cdr (cdr ediff-mouse-pixel-position)) | |
1657 | (cdr (cdr (mouse-pixel-position)))) | |
1658 | (not (and (< (abs (- (car (cdr ediff-mouse-pixel-position)) | |
1659 | (car (cdr (mouse-pixel-position))))) | |
ceb0ea8b | 1660 | ediff-mouse-pixel-threshold) |
8343426b MK |
1661 | (< (abs (- (cdr (cdr ediff-mouse-pixel-position)) |
1662 | (cdr (cdr (mouse-pixel-position))))) | |
ceb0ea8b | 1663 | ediff-mouse-pixel-threshold)))) |
8343426b | 1664 | (t nil)))) |
acce6d21 | 1665 | |
475f9031 | 1666 | (defsubst ediff-frame-char-height (frame) |
71296446 | 1667 | (ediff-cond-compile-for-xemacs-or-emacs |
2e955a8b | 1668 | (glyph-height ediff-H-glyph (frame-selected-window frame)) ; xemacs case |
50a07e18 MK |
1669 | (frame-char-height frame) ; emacs case |
1670 | ) | |
1671 | ) | |
acce6d21 | 1672 | |
92c51e07 | 1673 | ;; Some overlay functions |
475f9031 | 1674 | |
ddc90f39 MK |
1675 | (defsubst ediff-overlay-start (overl) |
1676 | (if (ediff-overlayp overl) | |
50a07e18 MK |
1677 | (ediff-cond-compile-for-xemacs-or-emacs |
1678 | (extent-start-position overl) ; xemacs form | |
1679 | (overlay-start overl) ; emacs form | |
1680 | ) | |
1681 | )) | |
acce6d21 | 1682 | |
ddc90f39 MK |
1683 | (defsubst ediff-overlay-end (overl) |
1684 | (if (ediff-overlayp overl) | |
50a07e18 MK |
1685 | (ediff-cond-compile-for-xemacs-or-emacs |
1686 | (extent-end-position overl) ; xemacs form | |
1687 | (overlay-end overl) ; emacs form | |
1688 | ) | |
1689 | )) | |
ddc90f39 | 1690 | |
475f9031 KH |
1691 | (defsubst ediff-empty-overlay-p (overl) |
1692 | (= (ediff-overlay-start overl) (ediff-overlay-end overl))) | |
4ae69eac | 1693 | |
3af0304a MK |
1694 | ;; like overlay-buffer in Emacs. In XEmacs, returns nil if the extent is |
1695 | ;; dead. Otherwise, works like extent-buffer | |
4ae69eac | 1696 | (defun ediff-overlay-buffer (overl) |
50a07e18 MK |
1697 | (ediff-cond-compile-for-xemacs-or-emacs |
1698 | (and (extent-live-p overl) (extent-object overl)) ; xemacs form | |
1699 | (overlay-buffer overl) ; emacs form | |
1700 | )) | |
4ae69eac | 1701 | |
3af0304a MK |
1702 | ;; like overlay-get in Emacs. In XEmacs, returns nil if the extent is |
1703 | ;; dead. Otherwise, like extent-property | |
4ae69eac | 1704 | (defun ediff-overlay-get (overl property) |
50a07e18 MK |
1705 | (ediff-cond-compile-for-xemacs-or-emacs |
1706 | (and (extent-live-p overl) (extent-property overl property)) ; xemacs form | |
1707 | (overlay-get overl property) ; emacs form | |
1708 | )) | |
92c51e07 MK |
1709 | |
1710 | ||
1711 | ;; These two functions are here because XEmacs refuses to | |
1712 | ;; handle overlays whose buffers were deleted. | |
1713 | (defun ediff-move-overlay (overlay beg end &optional buffer) | |
1714 | "Calls `move-overlay' in Emacs and `set-extent-endpoints' in Lemacs. | |
1715 | Checks if overlay's buffer exists before actually doing the move." | |
1716 | (let ((buf (and overlay (ediff-overlay-buffer overlay)))) | |
1717 | (if (ediff-buffer-live-p buf) | |
50a07e18 MK |
1718 | (ediff-cond-compile-for-xemacs-or-emacs |
1719 | (set-extent-endpoints overlay beg end) ; xemacs form | |
1720 | (move-overlay overlay beg end buffer) ; emacs form | |
1721 | ) | |
92c51e07 MK |
1722 | ;; buffer's dead |
1723 | (if overlay | |
1724 | (ediff-delete-overlay overlay))))) | |
acce6d21 | 1725 | |
92c51e07 MK |
1726 | (defun ediff-overlay-put (overlay prop value) |
1727 | "Calls `overlay-put' or `set-extent-property' depending on Emacs version. | |
1728 | Checks if overlay's buffer exists." | |
1729 | (if (ediff-buffer-live-p (ediff-overlay-buffer overlay)) | |
50a07e18 MK |
1730 | (ediff-cond-compile-for-xemacs-or-emacs |
1731 | (set-extent-property overlay prop value) ; xemacs form | |
1732 | (overlay-put overlay prop value) ; emacs form | |
1733 | ) | |
92c51e07 MK |
1734 | (ediff-delete-overlay overlay))) |
1735 | ||
475f9031 KH |
1736 | ;; temporarily uses DIR to abbreviate file name |
1737 | ;; if DIR is nil, use default-directory | |
4ae69eac | 1738 | (defun ediff-abbreviate-file-name (file &optional dir) |
8343426b MK |
1739 | (cond ((stringp dir) |
1740 | (let ((directory-abbrev-alist (list (cons dir "")))) | |
1741 | (abbreviate-file-name file))) | |
50a07e18 MK |
1742 | (t |
1743 | (ediff-cond-compile-for-xemacs-or-emacs | |
1744 | ;; XEmacs requires addl argument | |
1745 | (abbreviate-file-name file t) ; xemacs form | |
1746 | (abbreviate-file-name file)) ; emacs form | |
1747 | ) | |
1748 | )) | |
8343426b MK |
1749 | |
1750 | ;; Takes a directory and returns the parent directory. | |
3af0304a | 1751 | ;; does nothing to `/'. If the ARG is a regular file, |
8343426b MK |
1752 | ;; strip the file AND the last dir. |
1753 | (defun ediff-strip-last-dir (dir) | |
1754 | (if (not (stringp dir)) (setq dir default-directory)) | |
1755 | (setq dir (expand-file-name dir)) | |
1756 | (or (file-directory-p dir) (setq dir (file-name-directory dir))) | |
1757 | (let* ((pos (1- (length dir))) | |
1758 | (last-char (aref dir pos))) | |
1759 | (if (and (> pos 0) (= last-char ?/)) | |
1760 | (setq dir (substring dir 0 pos))) | |
1761 | (ediff-abbreviate-file-name (file-name-directory dir)))) | |
1762 | ||
1763 | (defun ediff-truncate-string-left (str newlen) | |
1764 | ;; leave space for ... on the left | |
1765 | (let ((len (length str)) | |
1766 | substr) | |
1767 | (if (<= len newlen) | |
1768 | str | |
1769 | (setq newlen (max 0 (- newlen 3))) | |
1770 | (setq substr (substring str (max 0 (- len 1 newlen)))) | |
1771 | (concat "..." substr)))) | |
1772 | ||
3af0304a MK |
1773 | (defsubst ediff-nonempty-string-p (string) |
1774 | (and (stringp string) (not (string= string "")))) | |
1775 | ||
2550055a MK |
1776 | (unless (fboundp 'subst-char-in-string) |
1777 | (defun subst-char-in-string (fromchar tochar string &optional inplace) | |
1778 | "Replace FROMCHAR with TOCHAR in STRING each time it occurs. | |
1779 | Unless optional argument INPLACE is non-nil, return a new string." | |
1780 | (let ((i (length string)) | |
1781 | (newstr (if inplace string (copy-sequence string)))) | |
1782 | (while (> i 0) | |
1783 | (setq i (1- i)) | |
1784 | (if (eq (aref newstr i) fromchar) | |
1785 | (aset newstr i tochar))) | |
1786 | newstr))) | |
1787 | ||
8343426b MK |
1788 | (defun ediff-abbrev-jobname (jobname) |
1789 | (cond ((eq jobname 'ediff-directories) | |
1790 | "Compare two directories") | |
1791 | ((eq jobname 'ediff-files) | |
1792 | "Compare two files") | |
1793 | ((eq jobname 'ediff-buffers) | |
1794 | "Compare two buffers") | |
1795 | ((eq jobname 'ediff-directories3) | |
1796 | "Compare three directories") | |
1797 | ((eq jobname 'ediff-files3) | |
1798 | "Compare three files") | |
1799 | ((eq jobname 'ediff-buffers3) | |
1800 | "Compare three buffers") | |
1801 | ((eq jobname 'ediff-revision) | |
1802 | "Compare file with a version") | |
1803 | ((eq jobname 'ediff-directory-revisions) | |
1804 | "Compare dir files with versions") | |
1805 | ((eq jobname 'ediff-merge-directory-revisions) | |
1806 | "Merge dir files with versions") | |
1807 | ((eq jobname 'ediff-merge-directory-revisions-with-ancestor) | |
1808 | "Merge dir versions via ancestors") | |
1809 | (t | |
7d027816 | 1810 | (capitalize |
b6ab27f7 | 1811 | (subst-char-in-string ?- ?\s (substring (symbol-name jobname) 6)))) |
7d027816 | 1812 | )) |
acce6d21 TTN |
1813 | |
1814 | ||
475f9031 KH |
1815 | ;; If ediff modified mode line, strip the modification |
1816 | (defsubst ediff-strip-mode-line-format () | |
8343426b | 1817 | (if (member (car mode-line-format) '(" A: " " B: " " C: " " Ancestor: ")) |
475f9031 KH |
1818 | (setq mode-line-format (nth 2 mode-line-format)))) |
1819 | ||
1820 | ;; Verify that we have a difference selected. | |
1821 | (defsubst ediff-valid-difference-p (&optional n) | |
1822 | (or n (setq n ediff-current-difference)) | |
1823 | (and (>= n 0) (< n ediff-number-of-differences))) | |
acce6d21 | 1824 | |
475f9031 KH |
1825 | (defsubst ediff-show-all-diffs (n) |
1826 | "Don't skip difference regions." | |
1827 | nil) | |
8343426b MK |
1828 | |
1829 | (defsubst Xor (a b) | |
1830 | (or (and a (not b)) (and (not a) b))) | |
009650b3 MK |
1831 | |
1832 | (defsubst ediff-message-if-verbose (string &rest args) | |
1833 | (if ediff-verbose-p | |
1834 | (apply 'message string args))) | |
4ae69eac | 1835 | |
bbe6126c | 1836 | (defun ediff-file-attributes (filename attr-number) |
4960e757 MK |
1837 | (if (ediff-listable-file filename) |
1838 | (nth attr-number (file-attributes filename)) | |
1839 | -1) | |
1840 | ) | |
ddc90f39 | 1841 | |
bbe6126c MK |
1842 | (defsubst ediff-file-size (filename) |
1843 | (ediff-file-attributes filename 7)) | |
1844 | (defsubst ediff-file-modtime (filename) | |
1845 | (ediff-file-attributes filename 5)) | |
1846 | ||
1847 | ||
92c51e07 | 1848 | (defun ediff-convert-standard-filename (fname) |
ddc90f39 | 1849 | (if (fboundp 'convert-standard-filename) |
92c51e07 | 1850 | (convert-standard-filename fname) |
92c51e07 | 1851 | fname)) |
bbe6126c MK |
1852 | |
1853 | ||
4986c2c6 | 1854 | (if (fboundp 'with-syntax-table) |
f3eabcdf | 1855 | (defalias 'ediff-with-syntax-table 'with-syntax-table) |
4986c2c6 MK |
1856 | ;; stolen from subr.el in emacs 21 |
1857 | (defmacro ediff-with-syntax-table (table &rest body) | |
1858 | (let ((old-table (make-symbol "table")) | |
1859 | (old-buffer (make-symbol "buffer"))) | |
1860 | `(let ((,old-table (syntax-table)) | |
1861 | (,old-buffer (current-buffer))) | |
1862 | (unwind-protect | |
1863 | (progn | |
1864 | (set-syntax-table (copy-syntax-table ,table)) | |
1865 | ,@body) | |
1866 | (save-current-buffer | |
1867 | (set-buffer ,old-buffer) | |
1868 | (set-syntax-table ,old-table))))))) | |
1869 | ||
8ea74b0e MK |
1870 | (provide 'ediff-init) |
1871 | ||
4986c2c6 MK |
1872 | |
1873 | ||
92c51e07 MK |
1874 | ;;; Local Variables: |
1875 | ;;; eval: (put 'ediff-defvar-local 'lisp-indent-hook 'defun) | |
e756eb9f MK |
1876 | ;;; eval: (put 'ediff-with-current-buffer 'lisp-indent-hook 1) |
1877 | ;;; eval: (put 'ediff-with-current-buffer 'edebug-form-spec '(form body)) | |
92c51e07 | 1878 | ;;; End: |
acce6d21 | 1879 | |
ab5796a9 | 1880 | ;;; arch-tag: fa31d384-1e70-4d4b-82a7-3e96307c46f5 |
3afbc435 | 1881 | ;;; ediff-init.el ends here |