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1 | ;;; mh-speed.el --- Speedbar interface for MH-E. |
2 | ||
44d55491 | 3 | ;; Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
bdcfe844 | 4 | |
c3d9274a | 5 | ;; Author: Satyaki Das <satyaki@theforce.stanford.edu> |
bdcfe844 BW |
6 | ;; Maintainer: Bill Wohler <wohler@newt.com> |
7 | ;; Keywords: mail | |
8 | ;; See: mh-e.el | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
24 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
25 | ;; Boston, MA 02110-1301, USA. | |
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26 | |
27 | ;;; Commentary: | |
28 | ;; Future versions should only use flists. | |
29 | ||
30 | ;; Speedbar support for MH-E package. | |
31 | ||
32 | ;;; Change Log: | |
33 | ||
bdcfe844 BW |
34 | ;;; Code: |
35 | ||
36 | ;; Requires | |
f0d73c14 | 37 | (eval-when-compile (require 'mh-acros)) |
a66894d8 | 38 | (mh-require-cl) |
bdcfe844 BW |
39 | (require 'mh-e) |
40 | (require 'speedbar) | |
f0d73c14 | 41 | (require 'timer) |
bdcfe844 | 42 | |
bdcfe844 BW |
43 | ;; Global variables |
44 | (defvar mh-speed-refresh-flag nil) | |
45 | (defvar mh-speed-last-selected-folder nil) | |
46 | (defvar mh-speed-folder-map (make-hash-table :test #'equal)) | |
bdcfe844 BW |
47 | (defvar mh-speed-flists-cache (make-hash-table :test #'equal)) |
48 | (defvar mh-speed-flists-process nil) | |
49 | (defvar mh-speed-flists-timer nil) | |
50 | (defvar mh-speed-partial-line "") | |
51 | ||
52 | ;; Add our stealth update function | |
53 | (unless (member 'mh-speed-stealth-update | |
54 | (cdr (assoc "files" speedbar-stealthy-function-list))) | |
55 | ;; Is changing constant lists in elisp safe? | |
56 | (setq speedbar-stealthy-function-list | |
57 | (copy-tree speedbar-stealthy-function-list)) | |
58 | (push 'mh-speed-stealth-update | |
59 | (cdr (assoc "files" speedbar-stealthy-function-list)))) | |
60 | ||
61 | ;; Functions called by speedbar to initialize display... | |
c3d9274a | 62 | ;;;###mh-autoload |
bdcfe844 BW |
63 | (defun mh-folder-speedbar-buttons (buffer) |
64 | "Interface function to create MH-E speedbar buffer. | |
65 | BUFFER is the MH-E buffer for which the speedbar buffer is to be created." | |
66 | (unless (get-text-property (point-min) 'mh-level) | |
67 | (erase-buffer) | |
68 | (clrhash mh-speed-folder-map) | |
69 | (speedbar-make-tag-line 'bracket ?+ 'mh-speed-toggle nil " " 'ignore nil | |
44d55491 | 70 | 'mh-speedbar-folder 0) |
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71 | (forward-line -1) |
72 | (setf (gethash nil mh-speed-folder-map) | |
924df208 BW |
73 | (set-marker (or (gethash nil mh-speed-folder-map) (make-marker)) |
74 | (1+ (line-beginning-position)))) | |
bdcfe844 BW |
75 | (add-text-properties |
76 | (line-beginning-position) (1+ (line-beginning-position)) | |
77 | `(mh-folder nil mh-expanded nil mh-children-p t mh-level 0)) | |
78 | (mh-speed-stealth-update t) | |
6b960c10 | 79 | (when (> mh-speed-update-interval 0) |
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80 | (mh-speed-flists nil)))) |
81 | ||
c3d9274a | 82 | ;;;###mh-autoload |
bdcfe844 | 83 | (defalias 'mh-show-speedbar-buttons 'mh-folder-speedbar-buttons) |
c3d9274a | 84 | ;;;###mh-autoload |
bdcfe844 BW |
85 | (defalias 'mh-letter-speedbar-buttons 'mh-folder-speedbar-buttons) |
86 | ||
87 | ;; Keymaps for speedbar... | |
88 | (defvar mh-folder-speedbar-key-map (speedbar-make-specialized-keymap) | |
89 | "Specialized speedbar keymap for MH-E buffers.") | |
90 | (gnus-define-keys mh-folder-speedbar-key-map | |
c3d9274a BW |
91 | "+" mh-speed-expand-folder |
92 | "-" mh-speed-contract-folder | |
93 | "\r" mh-speed-view | |
f0d73c14 | 94 | "r" mh-speed-refresh) |
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95 | |
96 | (defvar mh-show-speedbar-key-map mh-folder-speedbar-key-map) | |
bdcfe844 BW |
97 | (defvar mh-letter-speedbar-key-map mh-folder-speedbar-key-map) |
98 | ||
99 | ;; Menus for speedbar... | |
100 | (defvar mh-folder-speedbar-menu-items | |
f0d73c14 BW |
101 | '("--" |
102 | ["Visit Folder" mh-speed-view | |
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103 | (save-excursion |
104 | (set-buffer speedbar-buffer) | |
105 | (get-text-property (line-beginning-position) 'mh-folder))] | |
f0d73c14 | 106 | ["Expand Nested Folders" mh-speed-expand-folder |
bdcfe844 BW |
107 | (and (get-text-property (line-beginning-position) 'mh-children-p) |
108 | (not (get-text-property (line-beginning-position) 'mh-expanded)))] | |
f0d73c14 | 109 | ["Contract Nested Folders" mh-speed-contract-folder |
bdcfe844 BW |
110 | (and (get-text-property (line-beginning-position) 'mh-children-p) |
111 | (get-text-property (line-beginning-position) 'mh-expanded))] | |
f0d73c14 | 112 | ["Refresh Speedbar" mh-speed-refresh t]) |
bdcfe844 BW |
113 | "Extra menu items for speedbar.") |
114 | ||
115 | (defvar mh-show-speedbar-menu-items mh-folder-speedbar-menu-items) | |
bdcfe844 BW |
116 | (defvar mh-letter-speedbar-menu-items mh-folder-speedbar-menu-items) |
117 | ||
118 | (defmacro mh-speed-select-attached-frame () | |
119 | "Compatibility macro to handle speedbar versions 0.11a and 0.14beta4." | |
120 | (cond ((fboundp 'dframe-select-attached-frame) | |
121 | '(dframe-select-attached-frame speedbar-frame)) | |
122 | ((boundp 'speedbar-attached-frame) | |
123 | '(select-frame speedbar-attached-frame)) | |
124 | (t (error "Installed speedbar version not supported by MH-E")))) | |
125 | ||
126 | (defun mh-speed-update-current-folder (force) | |
127 | "Update speedbar highlighting of the current folder. | |
128 | The function tries to be smart so that work done is minimized. The currently | |
129 | highlighted folder is cached and no highlighting happens unless it changes. | |
130 | Also highlighting is suspended while the speedbar frame is selected. | |
131 | Otherwise you get the disconcerting behavior of folders popping open on their | |
132 | own when you are trying to navigate around in the speedbar buffer. | |
133 | ||
134 | The update is always carried out if FORCE is non-nil." | |
135 | (let* ((lastf (selected-frame)) | |
c3d9274a | 136 | (newcf (save-excursion |
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137 | (mh-speed-select-attached-frame) |
138 | (prog1 (mh-speed-extract-folder-name (buffer-name)) | |
139 | (select-frame lastf)))) | |
c3d9274a BW |
140 | (lastb (current-buffer)) |
141 | (case-fold-search t)) | |
bdcfe844 BW |
142 | (when (or force |
143 | (and mh-speed-refresh-flag (not (eq lastf speedbar-frame))) | |
144 | (and (stringp newcf) | |
145 | (equal (substring newcf 0 1) "+") | |
146 | (not (equal newcf mh-speed-last-selected-folder)))) | |
147 | (setq mh-speed-refresh-flag nil) | |
148 | (select-frame speedbar-frame) | |
149 | (set-buffer speedbar-buffer) | |
150 | ||
151 | ;; Remove highlight from previous match... | |
44d55491 | 152 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
153 | |
154 | ;; If we found a match highlight it... | |
155 | (when (mh-speed-goto-folder newcf) | |
44d55491 | 156 | (mh-speed-highlight newcf 'mh-speedbar-selected-folder)) |
bdcfe844 BW |
157 | |
158 | (setq mh-speed-last-selected-folder newcf) | |
159 | (speedbar-position-cursor-on-line) | |
160 | (set-window-point (frame-first-window speedbar-frame) (point)) | |
161 | (set-buffer lastb) | |
162 | (select-frame lastf)) | |
163 | (when (eq lastf speedbar-frame) | |
164 | (setq mh-speed-refresh-flag t)))) | |
165 | ||
166 | (defun mh-speed-normal-face (face) | |
167 | "Return normal face for given FACE." | |
44d55491 MB |
168 | (cond ((eq face 'mh-speedbar-folder-with-unseen-messages) |
169 | 'mh-speedbar-folder) | |
170 | ((eq face 'mh-speedbar-selected-folder-with-unseen-messages) | |
171 | 'mh-speedbar-selected-folder) | |
bdcfe844 BW |
172 | (t face))) |
173 | ||
174 | (defun mh-speed-bold-face (face) | |
175 | "Return bold face for given FACE." | |
44d55491 MB |
176 | (cond ((eq face 'mh-speedbar-folder) |
177 | 'mh-speedbar-folder-with-unseen-messages) | |
178 | ((eq face 'mh-speedbar-selected-folder) | |
179 | 'mh-speedbar-selected-folder-with-unseen-messages) | |
bdcfe844 BW |
180 | (t face))) |
181 | ||
182 | (defun mh-speed-highlight (folder face) | |
183 | "Set FOLDER to FACE." | |
184 | (save-excursion | |
185 | (speedbar-with-writable | |
186 | (goto-char (gethash folder mh-speed-folder-map (point))) | |
187 | (beginning-of-line) | |
188 | (if (re-search-forward "([1-9][0-9]*/[0-9]+)" (line-end-position) t) | |
189 | (setq face (mh-speed-bold-face face)) | |
190 | (setq face (mh-speed-normal-face face))) | |
191 | (beginning-of-line) | |
192 | (when (re-search-forward "\\[.\\] " (line-end-position) t) | |
193 | (put-text-property (point) (line-end-position) 'face face))))) | |
194 | ||
195 | (defun mh-speed-stealth-update (&optional force) | |
196 | "Do stealth update. | |
197 | With non-nil FORCE, the update is always carried out." | |
198 | (cond ((save-excursion (set-buffer speedbar-buffer) | |
199 | (get-text-property (point-min) 'mh-level)) | |
200 | ;; Execute this hook and *don't* run anything else | |
201 | (mh-speed-update-current-folder force) | |
202 | nil) | |
203 | ;; Otherwise on to your regular programming | |
204 | (t t))) | |
205 | ||
206 | (defun mh-speed-goto-folder (folder) | |
207 | "Move point to line containing FOLDER. | |
208 | The function will expand out parent folders of FOLDER if needed." | |
209 | (let ((prefix folder) | |
210 | (suffix-list ()) | |
211 | (last-slash t)) | |
212 | (while (and (not (gethash prefix mh-speed-folder-map)) last-slash) | |
c3d9274a | 213 | (setq last-slash (mh-search-from-end ?/ prefix)) |
bdcfe844 BW |
214 | (when (integerp last-slash) |
215 | (push (substring prefix (1+ last-slash)) suffix-list) | |
216 | (setq prefix (substring prefix 0 last-slash)))) | |
217 | (let ((prefix-position (gethash prefix mh-speed-folder-map))) | |
218 | (if prefix-position | |
219 | (goto-char prefix-position) | |
220 | (goto-char (point-min)) | |
221 | (mh-speed-toggle) | |
222 | (unless (get-text-property (point) 'mh-expanded) | |
223 | (mh-speed-toggle)) | |
224 | (goto-char (gethash prefix mh-speed-folder-map)))) | |
225 | (while suffix-list | |
226 | ;; We always need atleast one toggle. We need two if the directory list | |
227 | ;; is stale since a folder was added. | |
228 | (when (equal prefix (get-text-property (line-beginning-position) | |
229 | 'mh-folder)) | |
230 | (mh-speed-toggle) | |
231 | (unless (get-text-property (point) 'mh-expanded) | |
232 | (mh-speed-toggle))) | |
233 | (setq prefix (format "%s/%s" prefix (pop suffix-list))) | |
234 | (goto-char (gethash prefix mh-speed-folder-map (point)))) | |
235 | (beginning-of-line) | |
236 | (equal folder (get-text-property (point) 'mh-folder)))) | |
237 | ||
238 | (defun mh-speed-extract-folder-name (buffer) | |
239 | "Given an MH-E BUFFER find the folder that should be highlighted. | |
240 | Do the right thing for the different kinds of buffers that MH-E uses." | |
241 | (save-excursion | |
242 | (set-buffer buffer) | |
243 | (cond ((eq major-mode 'mh-folder-mode) | |
244 | mh-current-folder) | |
245 | ((eq major-mode 'mh-show-mode) | |
246 | (set-buffer mh-show-folder-buffer) | |
247 | mh-current-folder) | |
c3d9274a | 248 | ((eq major-mode 'mh-letter-mode) |
bdcfe844 BW |
249 | (when (string-match mh-user-path buffer-file-name) |
250 | (let* ((rel-path (substring buffer-file-name (match-end 0))) | |
c3d9274a | 251 | (directory-end (mh-search-from-end ?/ rel-path))) |
bdcfe844 BW |
252 | (when directory-end |
253 | (format "+%s" (substring rel-path 0 directory-end))))))))) | |
254 | ||
255 | (defun mh-speed-add-buttons (folder level) | |
256 | "Add speedbar button for FOLDER which is at indented by LEVEL amount." | |
3d7ca223 | 257 | (let ((folder-list (mh-sub-folders folder))) |
bdcfe844 BW |
258 | (mapc |
259 | (lambda (f) | |
260 | (let* ((folder-name (format "%s%s%s" (or folder "+") | |
261 | (if folder "/" "") (car f))) | |
262 | (counts (gethash folder-name mh-speed-flists-cache))) | |
263 | (speedbar-with-writable | |
264 | (speedbar-make-tag-line | |
265 | 'bracket (if (cdr f) ?+ ? ) | |
266 | 'mh-speed-toggle nil | |
267 | (format "%s%s" | |
268 | (car f) | |
269 | (if counts | |
270 | (format " (%s/%s)" (car counts) (cdr counts)) | |
271 | "")) | |
272 | 'mh-speed-view nil | |
273 | (if (and counts (> (car counts) 0)) | |
44d55491 MB |
274 | 'mh-speedbar-folder-with-unseen-messages |
275 | 'mh-speedbar-folder) | |
bdcfe844 BW |
276 | level) |
277 | (save-excursion | |
278 | (forward-line -1) | |
279 | (setf (gethash folder-name mh-speed-folder-map) | |
924df208 BW |
280 | (set-marker (or (gethash folder-name mh-speed-folder-map) |
281 | (make-marker)) | |
282 | (1+ (line-beginning-position)))) | |
bdcfe844 BW |
283 | (add-text-properties |
284 | (line-beginning-position) (1+ (line-beginning-position)) | |
285 | `(mh-folder ,folder-name | |
c3d9274a BW |
286 | mh-expanded nil |
287 | mh-children-p ,(not (not (cdr f))) | |
288 | ,@(if counts `(mh-count | |
289 | (,(car counts) . ,(cdr counts))) ()) | |
290 | mh-level ,level)))))) | |
bdcfe844 BW |
291 | folder-list))) |
292 | ||
c3d9274a | 293 | ;;;###mh-autoload |
bdcfe844 | 294 | (defun mh-speed-toggle (&rest args) |
6b960c10 BW |
295 | "Toggle the display of child folders in the speedbar. |
296 | The optional ARGS from speedbar are ignored." | |
bdcfe844 BW |
297 | (interactive) |
298 | (declare (ignore args)) | |
299 | (beginning-of-line) | |
300 | (let ((parent (get-text-property (point) 'mh-folder)) | |
301 | (kids-p (get-text-property (point) 'mh-children-p)) | |
302 | (expanded (get-text-property (point) 'mh-expanded)) | |
303 | (level (get-text-property (point) 'mh-level)) | |
304 | (point (point)) | |
305 | start-region) | |
306 | (speedbar-with-writable | |
307 | (cond ((not kids-p) nil) | |
308 | (expanded | |
309 | (forward-line) | |
310 | (setq start-region (point)) | |
311 | (while (and (get-text-property (point) 'mh-level) | |
312 | (> (get-text-property (point) 'mh-level) level)) | |
924df208 BW |
313 | (let ((folder (get-text-property (point) 'mh-folder))) |
314 | (when (gethash folder mh-speed-folder-map) | |
315 | (set-marker (gethash folder mh-speed-folder-map) nil) | |
316 | (remhash folder mh-speed-folder-map))) | |
bdcfe844 BW |
317 | (forward-line)) |
318 | (delete-region start-region (point)) | |
319 | (forward-line -1) | |
320 | (speedbar-change-expand-button-char ?+) | |
321 | (add-text-properties | |
322 | (line-beginning-position) (1+ (line-beginning-position)) | |
323 | '(mh-expanded nil))) | |
324 | (t | |
325 | (forward-line) | |
326 | (mh-speed-add-buttons parent (1+ level)) | |
327 | (goto-char point) | |
328 | (speedbar-change-expand-button-char ?-) | |
329 | (add-text-properties | |
330 | (line-beginning-position) (1+ (line-beginning-position)) | |
331 | `(mh-expanded t))))))) | |
332 | ||
333 | (defalias 'mh-speed-expand-folder 'mh-speed-toggle) | |
334 | (defalias 'mh-speed-contract-folder 'mh-speed-toggle) | |
335 | ||
c3d9274a | 336 | ;;;###mh-autoload |
bdcfe844 | 337 | (defun mh-speed-view (&rest args) |
6b960c10 BW |
338 | "Visits the selected folder just as if you had used \\<mh-folder-mode-map>\\[mh-visit-folder]. |
339 | The optional ARGS from speedbar are ignored." | |
bdcfe844 BW |
340 | (interactive) |
341 | (declare (ignore args)) | |
342 | (let* ((folder (get-text-property (line-beginning-position) 'mh-folder)) | |
a66894d8 BW |
343 | (range (and (stringp folder) |
344 | (mh-read-range "Scan" folder t nil nil | |
345 | mh-interpret-number-as-range-flag)))) | |
bdcfe844 BW |
346 | (when (stringp folder) |
347 | (speedbar-with-attached-buffer | |
348 | (mh-visit-folder folder range) | |
349 | (delete-other-windows))))) | |
350 | ||
3d7ca223 | 351 | (defvar mh-speed-current-folder nil) |
924df208 | 352 | (defvar mh-speed-flists-folder nil) |
bdcfe844 | 353 | |
f0d73c14 BW |
354 | (defmacro mh-process-kill-without-query (process) |
355 | "PROCESS can be killed without query on Emacs exit. | |
356 | Avoid using `process-kill-without-query' if possible since it is now | |
357 | obsolete." | |
358 | (if (fboundp 'set-process-query-on-exit-flag) | |
359 | `(set-process-query-on-exit-flag ,process nil) | |
360 | `(process-kill-without-query ,process))) | |
361 | ||
c3d9274a | 362 | ;;;###mh-autoload |
a66894d8 | 363 | (defun mh-speed-flists (force &rest folders) |
bdcfe844 | 364 | "Execute flists -recurse and update message counts. |
a66894d8 BW |
365 | If FORCE is non-nil the timer is reset. |
366 | ||
367 | Any number of optional FOLDERS can be specified. If specified, flists is run | |
924df208 | 368 | only for that one folder." |
bdcfe844 BW |
369 | (interactive (list t)) |
370 | (when force | |
924df208 BW |
371 | (when mh-speed-flists-timer |
372 | (cancel-timer mh-speed-flists-timer) | |
373 | (setq mh-speed-flists-timer nil)) | |
bdcfe844 BW |
374 | (when (and (processp mh-speed-flists-process) |
375 | (not (eq (process-status mh-speed-flists-process) 'exit))) | |
924df208 | 376 | (set-process-filter mh-speed-flists-process t) |
bdcfe844 | 377 | (kill-process mh-speed-flists-process) |
924df208 | 378 | (setq mh-speed-partial-line "") |
bdcfe844 | 379 | (setq mh-speed-flists-process nil))) |
a66894d8 | 380 | (setq mh-speed-flists-folder folders) |
bdcfe844 BW |
381 | (unless mh-speed-flists-timer |
382 | (setq mh-speed-flists-timer | |
383 | (run-at-time | |
6b960c10 BW |
384 | nil (if (> mh-speed-update-interval 0) |
385 | mh-speed-update-interval | |
386 | nil) | |
bdcfe844 BW |
387 | (lambda () |
388 | (unless (and (processp mh-speed-flists-process) | |
389 | (not (eq (process-status mh-speed-flists-process) | |
390 | 'exit))) | |
3d7ca223 BW |
391 | (setq mh-speed-current-folder |
392 | (concat | |
a66894d8 BW |
393 | (if mh-speed-flists-folder |
394 | (substring (car (reverse mh-speed-flists-folder)) 1) | |
395 | (with-temp-buffer | |
396 | (call-process (expand-file-name "folder" mh-progs) | |
397 | nil '(t nil) nil "-fast") | |
398 | (buffer-substring (point-min) (1- (point-max))))) | |
3d7ca223 | 399 | "+")) |
bdcfe844 | 400 | (setq mh-speed-flists-process |
a66894d8 BW |
401 | (apply #'start-process "*flists*" nil |
402 | (expand-file-name "flists" mh-progs) | |
403 | (if mh-speed-flists-folder "-noall" "-all") | |
404 | "-sequence" (symbol-name mh-unseen-seq) | |
405 | (or mh-speed-flists-folder '("-recurse")))) | |
924df208 BW |
406 | ;; Run flists on all folders the next time around... |
407 | (setq mh-speed-flists-folder nil) | |
f0d73c14 | 408 | (mh-process-kill-without-query mh-speed-flists-process) |
bdcfe844 BW |
409 | (set-process-filter mh-speed-flists-process |
410 | 'mh-speed-parse-flists-output))))))) | |
411 | ||
412 | ;; Copied from mh-make-folder-list-filter... | |
413 | (defun mh-speed-parse-flists-output (process output) | |
414 | "Parse the incremental results from flists. | |
415 | PROCESS is the flists process and OUTPUT is the results that must be handled | |
416 | next." | |
417 | (let ((prevailing-match-data (match-data)) | |
418 | (position 0) | |
419 | line-end line folder unseen total) | |
420 | (unwind-protect | |
421 | (while (setq line-end (string-match "\n" output position)) | |
422 | (setq line (format "%s%s" | |
423 | mh-speed-partial-line | |
424 | (substring output position line-end)) | |
425 | mh-speed-partial-line "") | |
c3d9274a | 426 | (multiple-value-setq (folder unseen total) |
3d7ca223 | 427 | (mh-parse-flist-output-line line mh-speed-current-folder)) |
924df208 BW |
428 | (when (and folder unseen total |
429 | (let ((old-pair (gethash folder mh-speed-flists-cache))) | |
430 | (or (not (equal (car old-pair) unseen)) | |
431 | (not (equal (cdr old-pair) total))))) | |
c3d9274a BW |
432 | (setf (gethash folder mh-speed-flists-cache) (cons unseen total)) |
433 | (save-excursion | |
434 | (when (buffer-live-p (get-buffer speedbar-buffer)) | |
435 | (set-buffer speedbar-buffer) | |
436 | (speedbar-with-writable | |
437 | (when (get-text-property (point-min) 'mh-level) | |
438 | (let ((pos (gethash folder mh-speed-folder-map)) | |
439 | face) | |
440 | (when pos | |
441 | (goto-char pos) | |
442 | (goto-char (line-beginning-position)) | |
443 | (cond | |
444 | ((null (get-text-property (point) 'mh-count)) | |
445 | (goto-char (line-end-position)) | |
446 | (setq face (get-text-property (1- (point)) 'face)) | |
447 | (insert (format " (%s/%s)" unseen total)) | |
448 | (mh-speed-highlight 'unknown face) | |
449 | (goto-char (line-beginning-position)) | |
450 | (add-text-properties (point) (1+ (point)) | |
451 | `(mh-count (,unseen . ,total)))) | |
452 | ((not (equal (get-text-property (point) 'mh-count) | |
453 | (cons unseen total))) | |
454 | (goto-char (line-end-position)) | |
455 | (setq face (get-text-property (1- (point)) 'face)) | |
456 | (re-search-backward " " (line-beginning-position) t) | |
457 | (delete-region (point) (line-end-position)) | |
458 | (insert (format " (%s/%s)" unseen total)) | |
459 | (mh-speed-highlight 'unknown face) | |
460 | (goto-char (line-beginning-position)) | |
461 | (add-text-properties | |
462 | (point) (1+ (point)) | |
463 | `(mh-count (,unseen . ,total)))))))))))) | |
bdcfe844 BW |
464 | (setq position (1+ line-end))) |
465 | (set-match-data prevailing-match-data)) | |
c3d9274a | 466 | (setq mh-speed-partial-line (substring output position)))) |
bdcfe844 | 467 | |
c3d9274a | 468 | ;;;###mh-autoload |
bdcfe844 BW |
469 | (defun mh-speed-invalidate-map (folder) |
470 | "Remove FOLDER from various optimization caches." | |
471 | (interactive (list "")) | |
472 | (save-excursion | |
473 | (set-buffer speedbar-buffer) | |
474 | (let* ((speedbar-update-flag nil) | |
c3d9274a | 475 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
476 | (parent (if last-slash (substring folder 0 last-slash) nil)) |
477 | (parent-position (gethash parent mh-speed-folder-map)) | |
478 | (parent-change nil)) | |
bdcfe844 | 479 | (when parent-position |
3d7ca223 | 480 | (let ((parent-kids (mh-sub-folders parent))) |
bdcfe844 BW |
481 | (cond ((null parent-kids) |
482 | (setq parent-change ?+)) | |
483 | ((and (null (cdr parent-kids)) | |
484 | (equal (if last-slash | |
485 | (substring folder (1+ last-slash)) | |
486 | (substring folder 1)) | |
487 | (caar parent-kids))) | |
488 | (setq parent-change ? )))) | |
489 | (goto-char parent-position) | |
490 | (when (equal (get-text-property (line-beginning-position) 'mh-folder) | |
491 | parent) | |
492 | (when (get-text-property (line-beginning-position) 'mh-expanded) | |
493 | (mh-speed-toggle)) | |
494 | (when parent-change | |
495 | (speedbar-with-writable | |
496 | (mh-speedbar-change-expand-button-char parent-change) | |
497 | (add-text-properties | |
498 | (line-beginning-position) (1+ (line-beginning-position)) | |
499 | `(mh-children-p ,(equal parent-change ?+))))) | |
44d55491 | 500 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
501 | (setq mh-speed-last-selected-folder nil) |
502 | (setq mh-speed-refresh-flag t))) | |
503 | (when (equal folder "") | |
3d7ca223 | 504 | (clrhash mh-sub-folders-cache))))) |
bdcfe844 | 505 | |
f0d73c14 | 506 | (defun mh-speed-refresh () |
6b960c10 BW |
507 | "Regenerates the list of folders in the speedbar. |
508 | ||
509 | Run this command if you've added or deleted a folder, or want to update the | |
510 | unseen message count before the next automatic update." | |
f0d73c14 BW |
511 | (interactive) |
512 | (mh-speed-flists t) | |
513 | (mh-speed-invalidate-map "")) | |
514 | ||
c3d9274a | 515 | ;;;###mh-autoload |
bdcfe844 BW |
516 | (defun mh-speed-add-folder (folder) |
517 | "Add FOLDER since it is being created. | |
518 | The function invalidates the latest ancestor that is present." | |
519 | (save-excursion | |
520 | (set-buffer speedbar-buffer) | |
521 | (let ((speedbar-update-flag nil) | |
c3d9274a | 522 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
523 | (ancestor folder) |
524 | (ancestor-pos nil)) | |
525 | (block while-loop | |
526 | (while last-slash | |
527 | (setq ancestor (substring ancestor 0 last-slash)) | |
528 | (setq ancestor-pos (gethash ancestor mh-speed-folder-map)) | |
529 | (when ancestor-pos | |
530 | (return-from while-loop)) | |
c3d9274a | 531 | (setq last-slash (mh-search-from-end ?/ ancestor)))) |
bdcfe844 BW |
532 | (unless ancestor-pos (setq ancestor nil)) |
533 | (goto-char (or ancestor-pos (gethash nil mh-speed-folder-map))) | |
534 | (speedbar-with-writable | |
535 | (mh-speedbar-change-expand-button-char ?+) | |
536 | (add-text-properties | |
537 | (line-beginning-position) (1+ (line-beginning-position)) | |
538 | `(mh-children-p t))) | |
539 | (when (get-text-property (line-beginning-position) 'mh-expanded) | |
540 | (mh-speed-toggle)) | |
bdcfe844 BW |
541 | (setq mh-speed-refresh-flag t)))) |
542 | ||
543 | ;; Make it slightly more general to allow for [ ] buttons to be changed to | |
544 | ;; [+]. | |
545 | (defun mh-speedbar-change-expand-button-char (char) | |
546 | "Change the expansion button character to CHAR for the current line." | |
547 | (save-excursion | |
548 | (beginning-of-line) | |
549 | (if (re-search-forward "\\[.\\]" (line-end-position) t) | |
c3d9274a | 550 | (speedbar-with-writable |
bdcfe844 | 551 | (backward-char 2) |
c3d9274a BW |
552 | (delete-char 1) |
553 | (insert-char char 1 t) | |
554 | (put-text-property (point) (1- (point)) 'invisible nil) | |
555 | ;; make sure we fix the image on the text here. | |
924df208 BW |
556 | (mh-funcall-if-exists |
557 | speedbar-insert-image-button-maybe (- (point) 2) 3))))) | |
bdcfe844 BW |
558 | |
559 | (provide 'mh-speed) | |
560 | ||
cee9f5c6 BW |
561 | ;; Local Variables: |
562 | ;; indent-tabs-mode: nil | |
563 | ;; sentence-end-double-space: nil | |
564 | ;; End: | |
bdcfe844 | 565 | |
cee9f5c6 | 566 | ;; arch-tag: d38ddcd4-3c00-4e37-99bf-8b89dda7b32c |
bdcfe844 | 567 | ;;; mh-speed.el ends here |