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dda00b2c | 1 | ;;; mh-speed.el --- MH-E speedbar support |
bdcfe844 | 2 | |
dcf71371 BW |
3 | ;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
4 | ;; Free Software Foundation, Inc. | |
bdcfe844 | 5 | |
c3d9274a | 6 | ;; Author: Satyaki Das <satyaki@theforce.stanford.edu> |
bdcfe844 BW |
7 | ;; Maintainer: Bill Wohler <wohler@newt.com> |
8 | ;; Keywords: mail | |
9 | ;; See: mh-e.el | |
10 | ||
11 | ;; This file is part of GNU Emacs. | |
12 | ||
5e809f55 | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
bdcfe844 | 14 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
bdcfe844 BW |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
bdcfe844 BW |
25 | |
26 | ;;; Commentary: | |
bdcfe844 | 27 | |
dda00b2c | 28 | ;; Future versions should only use flists. |
bdcfe844 BW |
29 | |
30 | ;;; Change Log: | |
31 | ||
bdcfe844 BW |
32 | ;;; Code: |
33 | ||
bdcfe844 | 34 | (require 'mh-e) |
dda00b2c BW |
35 | (mh-require-cl) |
36 | ||
37 | (require 'gnus-util) | |
bdcfe844 | 38 | (require 'speedbar) |
f0d73c14 | 39 | (require 'timer) |
bdcfe844 | 40 | |
dda00b2c | 41 | ;; Global variables. |
bdcfe844 BW |
42 | (defvar mh-speed-refresh-flag nil) |
43 | (defvar mh-speed-last-selected-folder nil) | |
44 | (defvar mh-speed-folder-map (make-hash-table :test #'equal)) | |
bdcfe844 BW |
45 | (defvar mh-speed-flists-cache (make-hash-table :test #'equal)) |
46 | (defvar mh-speed-flists-process nil) | |
47 | (defvar mh-speed-flists-timer nil) | |
48 | (defvar mh-speed-partial-line "") | |
49 | ||
dda00b2c BW |
50 | \f |
51 | ||
52 | ;;; Speedbar Hook | |
53 | ||
bdcfe844 BW |
54 | (unless (member 'mh-speed-stealth-update |
55 | (cdr (assoc "files" speedbar-stealthy-function-list))) | |
56 | ;; Is changing constant lists in elisp safe? | |
57 | (setq speedbar-stealthy-function-list | |
58 | (copy-tree speedbar-stealthy-function-list)) | |
59 | (push 'mh-speed-stealth-update | |
60 | (cdr (assoc "files" speedbar-stealthy-function-list)))) | |
61 | ||
dda00b2c BW |
62 | \f |
63 | ||
64 | ;;; Speedbar Menus | |
65 | ||
66 | (defvar mh-folder-speedbar-menu-items | |
67 | '("--" | |
68 | ["Visit Folder" mh-speed-view | |
69 | (save-excursion | |
70 | (set-buffer speedbar-buffer) | |
d5dc8c56 | 71 | (get-text-property (mh-line-beginning-position) 'mh-folder))] |
dda00b2c | 72 | ["Expand Nested Folders" mh-speed-expand-folder |
d5dc8c56 BW |
73 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
74 | (not (get-text-property (mh-line-beginning-position) 'mh-expanded)))] | |
dda00b2c | 75 | ["Contract Nested Folders" mh-speed-contract-folder |
d5dc8c56 BW |
76 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
77 | (get-text-property (mh-line-beginning-position) 'mh-expanded))] | |
dda00b2c BW |
78 | ["Refresh Speedbar" mh-speed-refresh t]) |
79 | "Extra menu items for speedbar.") | |
80 | ||
81 | (defvar mh-show-speedbar-menu-items mh-folder-speedbar-menu-items) | |
82 | (defvar mh-letter-speedbar-menu-items mh-folder-speedbar-menu-items) | |
83 | ||
84 | \f | |
85 | ||
86 | ;;; Speedbar Keys | |
87 | ||
88 | (defvar mh-folder-speedbar-key-map (speedbar-make-specialized-keymap) | |
89 | "Specialized speedbar keymap for MH-E buffers.") | |
90 | ||
91 | (gnus-define-keys mh-folder-speedbar-key-map | |
92 | "+" mh-speed-expand-folder | |
93 | "-" mh-speed-contract-folder | |
94 | "\r" mh-speed-view | |
95 | "r" mh-speed-refresh) | |
96 | ||
97 | (defvar mh-show-speedbar-key-map mh-folder-speedbar-key-map) | |
98 | (defvar mh-letter-speedbar-key-map mh-folder-speedbar-key-map) | |
99 | ||
100 | \f | |
101 | ||
102 | ;;; Speedbar Commands | |
103 | ||
104 | ;; Alphabetical. | |
105 | ||
106 | (defalias 'mh-speed-contract-folder 'mh-speed-toggle) | |
107 | ||
108 | (defalias 'mh-speed-expand-folder 'mh-speed-toggle) | |
109 | ||
110 | (defun mh-speed-refresh () | |
111 | "Regenerates the list of folders in the speedbar. | |
112 | ||
113 | Run this command if you've added or deleted a folder, or want to | |
114 | update the unseen message count before the next automatic | |
115 | update." | |
116 | (interactive) | |
117 | (mh-speed-flists t) | |
118 | (mh-speed-invalidate-map "")) | |
119 | ||
120 | (defun mh-speed-stealth-update (&optional force) | |
121 | "Do stealth update. | |
122 | With non-nil FORCE, the update is always carried out." | |
123 | (cond ((save-excursion (set-buffer speedbar-buffer) | |
124 | (get-text-property (point-min) 'mh-level)) | |
125 | ;; Execute this hook and *don't* run anything else | |
126 | (mh-speed-update-current-folder force) | |
127 | nil) | |
128 | ;; Otherwise on to your regular programming | |
129 | (t t))) | |
130 | ||
131 | (defun mh-speed-toggle (&rest args) | |
132 | "Toggle the display of child folders in the speedbar. | |
133 | The optional ARGS from speedbar are ignored." | |
134 | (interactive) | |
135 | (declare (ignore args)) | |
136 | (beginning-of-line) | |
137 | (let ((parent (get-text-property (point) 'mh-folder)) | |
138 | (kids-p (get-text-property (point) 'mh-children-p)) | |
139 | (expanded (get-text-property (point) 'mh-expanded)) | |
140 | (level (get-text-property (point) 'mh-level)) | |
141 | (point (point)) | |
142 | start-region) | |
143 | (speedbar-with-writable | |
144 | (cond ((not kids-p) nil) | |
145 | (expanded | |
146 | (forward-line) | |
147 | (setq start-region (point)) | |
148 | (while (and (get-text-property (point) 'mh-level) | |
149 | (> (get-text-property (point) 'mh-level) level)) | |
150 | (let ((folder (get-text-property (point) 'mh-folder))) | |
151 | (when (gethash folder mh-speed-folder-map) | |
152 | (set-marker (gethash folder mh-speed-folder-map) nil) | |
153 | (remhash folder mh-speed-folder-map))) | |
154 | (forward-line)) | |
155 | (delete-region start-region (point)) | |
156 | (forward-line -1) | |
157 | (speedbar-change-expand-button-char ?+) | |
158 | (add-text-properties | |
d5dc8c56 | 159 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
160 | '(mh-expanded nil))) |
161 | (t | |
162 | (forward-line) | |
163 | (mh-speed-add-buttons parent (1+ level)) | |
164 | (goto-char point) | |
165 | (speedbar-change-expand-button-char ?-) | |
166 | (add-text-properties | |
d5dc8c56 | 167 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
168 | `(mh-expanded t))))))) |
169 | ||
170 | (defun mh-speed-view (&rest args) | |
171 | "Visits the selected folder just as if you had used \\<mh-folder-mode-map>\\[mh-visit-folder]. | |
172 | The optional ARGS from speedbar are ignored." | |
173 | (interactive) | |
174 | (declare (ignore args)) | |
d5dc8c56 | 175 | (let* ((folder (get-text-property (mh-line-beginning-position) 'mh-folder)) |
dda00b2c BW |
176 | (range (and (stringp folder) |
177 | (mh-read-range "Scan" folder t nil nil | |
178 | mh-interpret-number-as-range-flag)))) | |
179 | (when (stringp folder) | |
180 | (speedbar-with-attached-buffer | |
181 | (mh-visit-folder folder range) | |
182 | (delete-other-windows))))) | |
183 | ||
184 | \f | |
185 | ||
186 | ;;; Support Routines | |
187 | ||
c3d9274a | 188 | ;;;###mh-autoload |
bdcfe844 BW |
189 | (defun mh-folder-speedbar-buttons (buffer) |
190 | "Interface function to create MH-E speedbar buffer. | |
2dcf34f9 BW |
191 | BUFFER is the MH-E buffer for which the speedbar buffer is to be |
192 | created." | |
bdcfe844 BW |
193 | (unless (get-text-property (point-min) 'mh-level) |
194 | (erase-buffer) | |
195 | (clrhash mh-speed-folder-map) | |
196 | (speedbar-make-tag-line 'bracket ?+ 'mh-speed-toggle nil " " 'ignore nil | |
44d55491 | 197 | 'mh-speedbar-folder 0) |
bdcfe844 BW |
198 | (forward-line -1) |
199 | (setf (gethash nil mh-speed-folder-map) | |
924df208 | 200 | (set-marker (or (gethash nil mh-speed-folder-map) (make-marker)) |
d5dc8c56 | 201 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 202 | (add-text-properties |
d5dc8c56 | 203 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
bdcfe844 BW |
204 | `(mh-folder nil mh-expanded nil mh-children-p t mh-level 0)) |
205 | (mh-speed-stealth-update t) | |
6b960c10 | 206 | (when (> mh-speed-update-interval 0) |
bdcfe844 BW |
207 | (mh-speed-flists nil)))) |
208 | ||
c3d9274a | 209 | ;;;###mh-autoload |
bdcfe844 | 210 | (defalias 'mh-show-speedbar-buttons 'mh-folder-speedbar-buttons) |
c3d9274a | 211 | ;;;###mh-autoload |
bdcfe844 BW |
212 | (defalias 'mh-letter-speedbar-buttons 'mh-folder-speedbar-buttons) |
213 | ||
bdcfe844 BW |
214 | (defmacro mh-speed-select-attached-frame () |
215 | "Compatibility macro to handle speedbar versions 0.11a and 0.14beta4." | |
216 | (cond ((fboundp 'dframe-select-attached-frame) | |
217 | '(dframe-select-attached-frame speedbar-frame)) | |
218 | ((boundp 'speedbar-attached-frame) | |
219 | '(select-frame speedbar-attached-frame)) | |
220 | (t (error "Installed speedbar version not supported by MH-E")))) | |
221 | ||
222 | (defun mh-speed-update-current-folder (force) | |
223 | "Update speedbar highlighting of the current folder. | |
2dcf34f9 BW |
224 | The function tries to be smart so that work done is minimized. |
225 | The currently highlighted folder is cached and no highlighting | |
226 | happens unless it changes. | |
bdcfe844 | 227 | Also highlighting is suspended while the speedbar frame is selected. |
2dcf34f9 BW |
228 | Otherwise you get the disconcerting behavior of folders popping open |
229 | on their own when you are trying to navigate around in the speedbar | |
230 | buffer. | |
bdcfe844 BW |
231 | |
232 | The update is always carried out if FORCE is non-nil." | |
233 | (let* ((lastf (selected-frame)) | |
c3d9274a | 234 | (newcf (save-excursion |
bdcfe844 BW |
235 | (mh-speed-select-attached-frame) |
236 | (prog1 (mh-speed-extract-folder-name (buffer-name)) | |
237 | (select-frame lastf)))) | |
c3d9274a BW |
238 | (lastb (current-buffer)) |
239 | (case-fold-search t)) | |
bdcfe844 BW |
240 | (when (or force |
241 | (and mh-speed-refresh-flag (not (eq lastf speedbar-frame))) | |
242 | (and (stringp newcf) | |
243 | (equal (substring newcf 0 1) "+") | |
244 | (not (equal newcf mh-speed-last-selected-folder)))) | |
245 | (setq mh-speed-refresh-flag nil) | |
246 | (select-frame speedbar-frame) | |
247 | (set-buffer speedbar-buffer) | |
248 | ||
249 | ;; Remove highlight from previous match... | |
44d55491 | 250 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
251 | |
252 | ;; If we found a match highlight it... | |
253 | (when (mh-speed-goto-folder newcf) | |
44d55491 | 254 | (mh-speed-highlight newcf 'mh-speedbar-selected-folder)) |
bdcfe844 BW |
255 | |
256 | (setq mh-speed-last-selected-folder newcf) | |
257 | (speedbar-position-cursor-on-line) | |
258 | (set-window-point (frame-first-window speedbar-frame) (point)) | |
259 | (set-buffer lastb) | |
260 | (select-frame lastf)) | |
261 | (when (eq lastf speedbar-frame) | |
262 | (setq mh-speed-refresh-flag t)))) | |
263 | ||
dda00b2c BW |
264 | (defun mh-speed-highlight (folder face) |
265 | "Set FOLDER to FACE." | |
266 | (save-excursion | |
267 | (speedbar-with-writable | |
268 | (goto-char (gethash folder mh-speed-folder-map (point))) | |
269 | (beginning-of-line) | |
d5dc8c56 | 270 | (if (re-search-forward "([1-9][0-9]*/[0-9]+)" (mh-line-end-position) t) |
dda00b2c BW |
271 | (setq face (mh-speed-bold-face face)) |
272 | (setq face (mh-speed-normal-face face))) | |
273 | (beginning-of-line) | |
d5dc8c56 BW |
274 | (when (re-search-forward "\\[.\\] " (mh-line-end-position) t) |
275 | (put-text-property (point) (mh-line-end-position) 'face face))))) | |
dda00b2c | 276 | |
bdcfe844 BW |
277 | (defun mh-speed-normal-face (face) |
278 | "Return normal face for given FACE." | |
44d55491 MB |
279 | (cond ((eq face 'mh-speedbar-folder-with-unseen-messages) |
280 | 'mh-speedbar-folder) | |
281 | ((eq face 'mh-speedbar-selected-folder-with-unseen-messages) | |
282 | 'mh-speedbar-selected-folder) | |
bdcfe844 BW |
283 | (t face))) |
284 | ||
285 | (defun mh-speed-bold-face (face) | |
286 | "Return bold face for given FACE." | |
44d55491 MB |
287 | (cond ((eq face 'mh-speedbar-folder) |
288 | 'mh-speedbar-folder-with-unseen-messages) | |
289 | ((eq face 'mh-speedbar-selected-folder) | |
290 | 'mh-speedbar-selected-folder-with-unseen-messages) | |
bdcfe844 BW |
291 | (t face))) |
292 | ||
bdcfe844 BW |
293 | (defun mh-speed-goto-folder (folder) |
294 | "Move point to line containing FOLDER. | |
295 | The function will expand out parent folders of FOLDER if needed." | |
296 | (let ((prefix folder) | |
297 | (suffix-list ()) | |
298 | (last-slash t)) | |
299 | (while (and (not (gethash prefix mh-speed-folder-map)) last-slash) | |
c3d9274a | 300 | (setq last-slash (mh-search-from-end ?/ prefix)) |
bdcfe844 BW |
301 | (when (integerp last-slash) |
302 | (push (substring prefix (1+ last-slash)) suffix-list) | |
303 | (setq prefix (substring prefix 0 last-slash)))) | |
304 | (let ((prefix-position (gethash prefix mh-speed-folder-map))) | |
305 | (if prefix-position | |
306 | (goto-char prefix-position) | |
307 | (goto-char (point-min)) | |
308 | (mh-speed-toggle) | |
309 | (unless (get-text-property (point) 'mh-expanded) | |
310 | (mh-speed-toggle)) | |
311 | (goto-char (gethash prefix mh-speed-folder-map)))) | |
312 | (while suffix-list | |
313 | ;; We always need atleast one toggle. We need two if the directory list | |
314 | ;; is stale since a folder was added. | |
d5dc8c56 | 315 | (when (equal prefix (get-text-property (mh-line-beginning-position) |
bdcfe844 BW |
316 | 'mh-folder)) |
317 | (mh-speed-toggle) | |
318 | (unless (get-text-property (point) 'mh-expanded) | |
319 | (mh-speed-toggle))) | |
320 | (setq prefix (format "%s/%s" prefix (pop suffix-list))) | |
321 | (goto-char (gethash prefix mh-speed-folder-map (point)))) | |
322 | (beginning-of-line) | |
323 | (equal folder (get-text-property (point) 'mh-folder)))) | |
324 | ||
325 | (defun mh-speed-extract-folder-name (buffer) | |
326 | "Given an MH-E BUFFER find the folder that should be highlighted. | |
2dcf34f9 BW |
327 | Do the right thing for the different kinds of buffers that MH-E |
328 | uses." | |
bdcfe844 BW |
329 | (save-excursion |
330 | (set-buffer buffer) | |
331 | (cond ((eq major-mode 'mh-folder-mode) | |
332 | mh-current-folder) | |
333 | ((eq major-mode 'mh-show-mode) | |
334 | (set-buffer mh-show-folder-buffer) | |
335 | mh-current-folder) | |
c3d9274a | 336 | ((eq major-mode 'mh-letter-mode) |
bdcfe844 BW |
337 | (when (string-match mh-user-path buffer-file-name) |
338 | (let* ((rel-path (substring buffer-file-name (match-end 0))) | |
c3d9274a | 339 | (directory-end (mh-search-from-end ?/ rel-path))) |
bdcfe844 BW |
340 | (when directory-end |
341 | (format "+%s" (substring rel-path 0 directory-end))))))))) | |
342 | ||
343 | (defun mh-speed-add-buttons (folder level) | |
344 | "Add speedbar button for FOLDER which is at indented by LEVEL amount." | |
3d7ca223 | 345 | (let ((folder-list (mh-sub-folders folder))) |
bdcfe844 BW |
346 | (mapc |
347 | (lambda (f) | |
348 | (let* ((folder-name (format "%s%s%s" (or folder "+") | |
349 | (if folder "/" "") (car f))) | |
350 | (counts (gethash folder-name mh-speed-flists-cache))) | |
351 | (speedbar-with-writable | |
352 | (speedbar-make-tag-line | |
353 | 'bracket (if (cdr f) ?+ ? ) | |
354 | 'mh-speed-toggle nil | |
355 | (format "%s%s" | |
356 | (car f) | |
357 | (if counts | |
358 | (format " (%s/%s)" (car counts) (cdr counts)) | |
359 | "")) | |
360 | 'mh-speed-view nil | |
361 | (if (and counts (> (car counts) 0)) | |
44d55491 MB |
362 | 'mh-speedbar-folder-with-unseen-messages |
363 | 'mh-speedbar-folder) | |
bdcfe844 BW |
364 | level) |
365 | (save-excursion | |
366 | (forward-line -1) | |
367 | (setf (gethash folder-name mh-speed-folder-map) | |
924df208 BW |
368 | (set-marker (or (gethash folder-name mh-speed-folder-map) |
369 | (make-marker)) | |
d5dc8c56 | 370 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 371 | (add-text-properties |
d5dc8c56 | 372 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 373 | `(mh-folder ,folder-name |
c3d9274a BW |
374 | mh-expanded nil |
375 | mh-children-p ,(not (not (cdr f))) | |
376 | ,@(if counts `(mh-count | |
377 | (,(car counts) . ,(cdr counts))) ()) | |
378 | mh-level ,level)))))) | |
bdcfe844 BW |
379 | folder-list))) |
380 | ||
3d7ca223 | 381 | (defvar mh-speed-current-folder nil) |
924df208 | 382 | (defvar mh-speed-flists-folder nil) |
bdcfe844 | 383 | |
f0d73c14 BW |
384 | (defmacro mh-process-kill-without-query (process) |
385 | "PROCESS can be killed without query on Emacs exit. | |
2dcf34f9 BW |
386 | Avoid using `process-kill-without-query' if possible since it is |
387 | now obsolete." | |
f0d73c14 BW |
388 | (if (fboundp 'set-process-query-on-exit-flag) |
389 | `(set-process-query-on-exit-flag ,process nil) | |
390 | `(process-kill-without-query ,process))) | |
391 | ||
c3d9274a | 392 | ;;;###mh-autoload |
a66894d8 | 393 | (defun mh-speed-flists (force &rest folders) |
bdcfe844 | 394 | "Execute flists -recurse and update message counts. |
a66894d8 BW |
395 | If FORCE is non-nil the timer is reset. |
396 | ||
2dcf34f9 BW |
397 | Any number of optional FOLDERS can be specified. If specified, |
398 | flists is run only for that one folder." | |
bdcfe844 BW |
399 | (interactive (list t)) |
400 | (when force | |
924df208 | 401 | (when mh-speed-flists-timer |
d5dc8c56 | 402 | (mh-cancel-timer mh-speed-flists-timer) |
924df208 | 403 | (setq mh-speed-flists-timer nil)) |
bdcfe844 BW |
404 | (when (and (processp mh-speed-flists-process) |
405 | (not (eq (process-status mh-speed-flists-process) 'exit))) | |
924df208 | 406 | (set-process-filter mh-speed-flists-process t) |
bdcfe844 | 407 | (kill-process mh-speed-flists-process) |
924df208 | 408 | (setq mh-speed-partial-line "") |
bdcfe844 | 409 | (setq mh-speed-flists-process nil))) |
a66894d8 | 410 | (setq mh-speed-flists-folder folders) |
bdcfe844 BW |
411 | (unless mh-speed-flists-timer |
412 | (setq mh-speed-flists-timer | |
413 | (run-at-time | |
6b960c10 BW |
414 | nil (if (> mh-speed-update-interval 0) |
415 | mh-speed-update-interval | |
416 | nil) | |
bdcfe844 BW |
417 | (lambda () |
418 | (unless (and (processp mh-speed-flists-process) | |
419 | (not (eq (process-status mh-speed-flists-process) | |
420 | 'exit))) | |
3d7ca223 BW |
421 | (setq mh-speed-current-folder |
422 | (concat | |
a66894d8 BW |
423 | (if mh-speed-flists-folder |
424 | (substring (car (reverse mh-speed-flists-folder)) 1) | |
425 | (with-temp-buffer | |
426 | (call-process (expand-file-name "folder" mh-progs) | |
427 | nil '(t nil) nil "-fast") | |
428 | (buffer-substring (point-min) (1- (point-max))))) | |
3d7ca223 | 429 | "+")) |
bdcfe844 | 430 | (setq mh-speed-flists-process |
a66894d8 BW |
431 | (apply #'start-process "*flists*" nil |
432 | (expand-file-name "flists" mh-progs) | |
433 | (if mh-speed-flists-folder "-noall" "-all") | |
434 | "-sequence" (symbol-name mh-unseen-seq) | |
435 | (or mh-speed-flists-folder '("-recurse")))) | |
924df208 BW |
436 | ;; Run flists on all folders the next time around... |
437 | (setq mh-speed-flists-folder nil) | |
f0d73c14 | 438 | (mh-process-kill-without-query mh-speed-flists-process) |
bdcfe844 BW |
439 | (set-process-filter mh-speed-flists-process |
440 | 'mh-speed-parse-flists-output))))))) | |
441 | ||
442 | ;; Copied from mh-make-folder-list-filter... | |
dda00b2c | 443 | ;; XXX Refactor to use mh-make-folder-list-filer? |
bdcfe844 BW |
444 | (defun mh-speed-parse-flists-output (process output) |
445 | "Parse the incremental results from flists. | |
2dcf34f9 BW |
446 | PROCESS is the flists process and OUTPUT is the results that must |
447 | be handled next." | |
bdcfe844 BW |
448 | (let ((prevailing-match-data (match-data)) |
449 | (position 0) | |
450 | line-end line folder unseen total) | |
451 | (unwind-protect | |
452 | (while (setq line-end (string-match "\n" output position)) | |
453 | (setq line (format "%s%s" | |
454 | mh-speed-partial-line | |
455 | (substring output position line-end)) | |
456 | mh-speed-partial-line "") | |
c3d9274a | 457 | (multiple-value-setq (folder unseen total) |
86e1c36a | 458 | (values-list |
7c730dd6 | 459 | (mh-parse-flist-output-line line mh-speed-current-folder))) |
924df208 BW |
460 | (when (and folder unseen total |
461 | (let ((old-pair (gethash folder mh-speed-flists-cache))) | |
462 | (or (not (equal (car old-pair) unseen)) | |
463 | (not (equal (cdr old-pair) total))))) | |
c3d9274a BW |
464 | (setf (gethash folder mh-speed-flists-cache) (cons unseen total)) |
465 | (save-excursion | |
466 | (when (buffer-live-p (get-buffer speedbar-buffer)) | |
467 | (set-buffer speedbar-buffer) | |
468 | (speedbar-with-writable | |
469 | (when (get-text-property (point-min) 'mh-level) | |
470 | (let ((pos (gethash folder mh-speed-folder-map)) | |
471 | face) | |
472 | (when pos | |
473 | (goto-char pos) | |
d5dc8c56 | 474 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
475 | (cond |
476 | ((null (get-text-property (point) 'mh-count)) | |
d5dc8c56 | 477 | (goto-char (mh-line-end-position)) |
c3d9274a BW |
478 | (setq face (get-text-property (1- (point)) 'face)) |
479 | (insert (format " (%s/%s)" unseen total)) | |
480 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 481 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
482 | (add-text-properties (point) (1+ (point)) |
483 | `(mh-count (,unseen . ,total)))) | |
484 | ((not (equal (get-text-property (point) 'mh-count) | |
485 | (cons unseen total))) | |
d5dc8c56 | 486 | (goto-char (mh-line-end-position)) |
c3d9274a | 487 | (setq face (get-text-property (1- (point)) 'face)) |
d5dc8c56 BW |
488 | (re-search-backward " " (mh-line-beginning-position) t) |
489 | (delete-region (point) (mh-line-end-position)) | |
c3d9274a BW |
490 | (insert (format " (%s/%s)" unseen total)) |
491 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 492 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
493 | (add-text-properties |
494 | (point) (1+ (point)) | |
495 | `(mh-count (,unseen . ,total)))))))))))) | |
bdcfe844 BW |
496 | (setq position (1+ line-end))) |
497 | (set-match-data prevailing-match-data)) | |
c3d9274a | 498 | (setq mh-speed-partial-line (substring output position)))) |
bdcfe844 | 499 | |
c3d9274a | 500 | ;;;###mh-autoload |
bdcfe844 BW |
501 | (defun mh-speed-invalidate-map (folder) |
502 | "Remove FOLDER from various optimization caches." | |
503 | (interactive (list "")) | |
504 | (save-excursion | |
505 | (set-buffer speedbar-buffer) | |
506 | (let* ((speedbar-update-flag nil) | |
c3d9274a | 507 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
508 | (parent (if last-slash (substring folder 0 last-slash) nil)) |
509 | (parent-position (gethash parent mh-speed-folder-map)) | |
510 | (parent-change nil)) | |
bdcfe844 | 511 | (when parent-position |
3d7ca223 | 512 | (let ((parent-kids (mh-sub-folders parent))) |
bdcfe844 BW |
513 | (cond ((null parent-kids) |
514 | (setq parent-change ?+)) | |
515 | ((and (null (cdr parent-kids)) | |
516 | (equal (if last-slash | |
517 | (substring folder (1+ last-slash)) | |
518 | (substring folder 1)) | |
519 | (caar parent-kids))) | |
520 | (setq parent-change ? )))) | |
521 | (goto-char parent-position) | |
d5dc8c56 | 522 | (when (equal (get-text-property (mh-line-beginning-position) 'mh-folder) |
bdcfe844 | 523 | parent) |
d5dc8c56 | 524 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 BW |
525 | (mh-speed-toggle)) |
526 | (when parent-change | |
527 | (speedbar-with-writable | |
528 | (mh-speedbar-change-expand-button-char parent-change) | |
529 | (add-text-properties | |
d5dc8c56 | 530 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 531 | `(mh-children-p ,(equal parent-change ?+))))) |
44d55491 | 532 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
533 | (setq mh-speed-last-selected-folder nil) |
534 | (setq mh-speed-refresh-flag t))) | |
535 | (when (equal folder "") | |
dda00b2c | 536 | (mh-clear-sub-folders-cache))))) |
6b960c10 | 537 | |
dda00b2c BW |
538 | ;; Make it slightly more general to allow for [ ] buttons to be |
539 | ;; changed to [+]. | |
540 | (defun mh-speedbar-change-expand-button-char (char) | |
541 | "Change the expansion button character to CHAR for the current line." | |
542 | (save-excursion | |
543 | (beginning-of-line) | |
d5dc8c56 | 544 | (if (re-search-forward "\\[.\\]" (mh-line-end-position) t) |
dda00b2c BW |
545 | (speedbar-with-writable |
546 | (backward-char 2) | |
547 | (delete-char 1) | |
548 | (insert-char char 1 t) | |
549 | (put-text-property (point) (1- (point)) 'invisible nil) | |
550 | ;; make sure we fix the image on the text here. | |
551 | (mh-funcall-if-exists | |
552 | speedbar-insert-image-button-maybe (- (point) 2) 3))))) | |
f0d73c14 | 553 | |
c3d9274a | 554 | ;;;###mh-autoload |
bdcfe844 BW |
555 | (defun mh-speed-add-folder (folder) |
556 | "Add FOLDER since it is being created. | |
557 | The function invalidates the latest ancestor that is present." | |
558 | (save-excursion | |
559 | (set-buffer speedbar-buffer) | |
560 | (let ((speedbar-update-flag nil) | |
c3d9274a | 561 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
562 | (ancestor folder) |
563 | (ancestor-pos nil)) | |
564 | (block while-loop | |
565 | (while last-slash | |
566 | (setq ancestor (substring ancestor 0 last-slash)) | |
567 | (setq ancestor-pos (gethash ancestor mh-speed-folder-map)) | |
568 | (when ancestor-pos | |
569 | (return-from while-loop)) | |
c3d9274a | 570 | (setq last-slash (mh-search-from-end ?/ ancestor)))) |
bdcfe844 BW |
571 | (unless ancestor-pos (setq ancestor nil)) |
572 | (goto-char (or ancestor-pos (gethash nil mh-speed-folder-map))) | |
573 | (speedbar-with-writable | |
574 | (mh-speedbar-change-expand-button-char ?+) | |
575 | (add-text-properties | |
d5dc8c56 | 576 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 577 | `(mh-children-p t))) |
d5dc8c56 | 578 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 | 579 | (mh-speed-toggle)) |
bdcfe844 BW |
580 | (setq mh-speed-refresh-flag t)))) |
581 | ||
bdcfe844 BW |
582 | (provide 'mh-speed) |
583 | ||
cee9f5c6 BW |
584 | ;; Local Variables: |
585 | ;; indent-tabs-mode: nil | |
586 | ;; sentence-end-double-space: nil | |
587 | ;; End: | |
bdcfe844 | 588 | |
cee9f5c6 | 589 | ;; arch-tag: d38ddcd4-3c00-4e37-99bf-8b89dda7b32c |
bdcfe844 | 590 | ;;; mh-speed.el ends here |