Commit | Line | Data |
---|---|---|
dda00b2c | 1 | ;;; mh-speed.el --- MH-E speedbar support |
bdcfe844 | 2 | |
ba318903 | 3 | ;; Copyright (C) 2002-2014 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 | ||
5e809f55 | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
bdcfe844 | 13 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
bdcfe844 BW |
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 | |
5e809f55 | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
bdcfe844 BW |
24 | |
25 | ;;; Commentary: | |
bdcfe844 | 26 | |
dda00b2c | 27 | ;; Future versions should only use flists. |
bdcfe844 BW |
28 | |
29 | ;;; Change Log: | |
30 | ||
bdcfe844 BW |
31 | ;;; Code: |
32 | ||
bdcfe844 | 33 | (require 'mh-e) |
dda00b2c BW |
34 | (mh-require-cl) |
35 | ||
36 | (require 'gnus-util) | |
bdcfe844 | 37 | (require 'speedbar) |
f0d73c14 | 38 | (require 'timer) |
bdcfe844 | 39 | |
dda00b2c | 40 | ;; Global variables. |
bdcfe844 BW |
41 | (defvar mh-speed-refresh-flag nil) |
42 | (defvar mh-speed-last-selected-folder nil) | |
43 | (defvar mh-speed-folder-map (make-hash-table :test #'equal)) | |
bdcfe844 BW |
44 | (defvar mh-speed-flists-cache (make-hash-table :test #'equal)) |
45 | (defvar mh-speed-flists-process nil) | |
46 | (defvar mh-speed-flists-timer nil) | |
47 | (defvar mh-speed-partial-line "") | |
48 | ||
dda00b2c BW |
49 | \f |
50 | ||
51 | ;;; Speedbar Hook | |
52 | ||
bdcfe844 BW |
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 | ||
dda00b2c BW |
61 | \f |
62 | ||
63 | ;;; Speedbar Menus | |
64 | ||
65 | (defvar mh-folder-speedbar-menu-items | |
66 | '("--" | |
67 | ["Visit Folder" mh-speed-view | |
b5553d47 | 68 | (with-current-buffer speedbar-buffer |
d5dc8c56 | 69 | (get-text-property (mh-line-beginning-position) 'mh-folder))] |
dda00b2c | 70 | ["Expand Nested Folders" mh-speed-expand-folder |
d5dc8c56 BW |
71 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
72 | (not (get-text-property (mh-line-beginning-position) 'mh-expanded)))] | |
dda00b2c | 73 | ["Contract Nested Folders" mh-speed-contract-folder |
d5dc8c56 BW |
74 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
75 | (get-text-property (mh-line-beginning-position) 'mh-expanded))] | |
dda00b2c BW |
76 | ["Refresh Speedbar" mh-speed-refresh t]) |
77 | "Extra menu items for speedbar.") | |
78 | ||
79 | (defvar mh-show-speedbar-menu-items mh-folder-speedbar-menu-items) | |
80 | (defvar mh-letter-speedbar-menu-items mh-folder-speedbar-menu-items) | |
81 | ||
82 | \f | |
83 | ||
84 | ;;; Speedbar Keys | |
85 | ||
86 | (defvar mh-folder-speedbar-key-map (speedbar-make-specialized-keymap) | |
87 | "Specialized speedbar keymap for MH-E buffers.") | |
88 | ||
89 | (gnus-define-keys mh-folder-speedbar-key-map | |
90 | "+" mh-speed-expand-folder | |
91 | "-" mh-speed-contract-folder | |
92 | "\r" mh-speed-view | |
93 | "r" mh-speed-refresh) | |
94 | ||
95 | (defvar mh-show-speedbar-key-map mh-folder-speedbar-key-map) | |
96 | (defvar mh-letter-speedbar-key-map mh-folder-speedbar-key-map) | |
97 | ||
98 | \f | |
99 | ||
100 | ;;; Speedbar Commands | |
101 | ||
102 | ;; Alphabetical. | |
103 | ||
104 | (defalias 'mh-speed-contract-folder 'mh-speed-toggle) | |
105 | ||
106 | (defalias 'mh-speed-expand-folder 'mh-speed-toggle) | |
107 | ||
108 | (defun mh-speed-refresh () | |
109 | "Regenerates the list of folders in the speedbar. | |
110 | ||
111 | Run this command if you've added or deleted a folder, or want to | |
112 | update the unseen message count before the next automatic | |
113 | update." | |
114 | (interactive) | |
115 | (mh-speed-flists t) | |
116 | (mh-speed-invalidate-map "")) | |
117 | ||
118 | (defun mh-speed-stealth-update (&optional force) | |
119 | "Do stealth update. | |
120 | With non-nil FORCE, the update is always carried out." | |
b5553d47 SM |
121 | (cond ((with-current-buffer speedbar-buffer |
122 | (get-text-property (point-min) 'mh-level)) | |
dda00b2c BW |
123 | ;; Execute this hook and *don't* run anything else |
124 | (mh-speed-update-current-folder force) | |
125 | nil) | |
126 | ;; Otherwise on to your regular programming | |
127 | (t t))) | |
128 | ||
972e3b72 | 129 | (defun mh-speed-toggle (&rest ignored) |
dda00b2c | 130 | "Toggle the display of child folders in the speedbar. |
972e3b72 | 131 | The optional arguments from speedbar are IGNORED." |
dda00b2c BW |
132 | (interactive) |
133 | (declare (ignore args)) | |
134 | (beginning-of-line) | |
135 | (let ((parent (get-text-property (point) 'mh-folder)) | |
136 | (kids-p (get-text-property (point) 'mh-children-p)) | |
137 | (expanded (get-text-property (point) 'mh-expanded)) | |
138 | (level (get-text-property (point) 'mh-level)) | |
139 | (point (point)) | |
140 | start-region) | |
141 | (speedbar-with-writable | |
142 | (cond ((not kids-p) nil) | |
143 | (expanded | |
144 | (forward-line) | |
145 | (setq start-region (point)) | |
146 | (while (and (get-text-property (point) 'mh-level) | |
147 | (> (get-text-property (point) 'mh-level) level)) | |
148 | (let ((folder (get-text-property (point) 'mh-folder))) | |
149 | (when (gethash folder mh-speed-folder-map) | |
150 | (set-marker (gethash folder mh-speed-folder-map) nil) | |
151 | (remhash folder mh-speed-folder-map))) | |
152 | (forward-line)) | |
153 | (delete-region start-region (point)) | |
154 | (forward-line -1) | |
155 | (speedbar-change-expand-button-char ?+) | |
156 | (add-text-properties | |
d5dc8c56 | 157 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
158 | '(mh-expanded nil))) |
159 | (t | |
160 | (forward-line) | |
161 | (mh-speed-add-buttons parent (1+ level)) | |
162 | (goto-char point) | |
163 | (speedbar-change-expand-button-char ?-) | |
164 | (add-text-properties | |
d5dc8c56 | 165 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
166 | `(mh-expanded t))))))) |
167 | ||
972e3b72 | 168 | (defun mh-speed-view (&rest ignored) |
dda00b2c | 169 | "Visits the selected folder just as if you had used \\<mh-folder-mode-map>\\[mh-visit-folder]. |
972e3b72 | 170 | The optional arguments from speedbar are IGNORED." |
dda00b2c BW |
171 | (interactive) |
172 | (declare (ignore args)) | |
d5dc8c56 | 173 | (let* ((folder (get-text-property (mh-line-beginning-position) 'mh-folder)) |
dda00b2c BW |
174 | (range (and (stringp folder) |
175 | (mh-read-range "Scan" folder t nil nil | |
176 | mh-interpret-number-as-range-flag)))) | |
177 | (when (stringp folder) | |
0cdffd7d | 178 | (dframe-with-attached-buffer |
dda00b2c BW |
179 | (mh-visit-folder folder range) |
180 | (delete-other-windows))))) | |
181 | ||
182 | \f | |
183 | ||
184 | ;;; Support Routines | |
185 | ||
c3d9274a | 186 | ;;;###mh-autoload |
bdcfe844 BW |
187 | (defun mh-folder-speedbar-buttons (buffer) |
188 | "Interface function to create MH-E speedbar buffer. | |
2dcf34f9 BW |
189 | BUFFER is the MH-E buffer for which the speedbar buffer is to be |
190 | created." | |
bdcfe844 BW |
191 | (unless (get-text-property (point-min) 'mh-level) |
192 | (erase-buffer) | |
193 | (clrhash mh-speed-folder-map) | |
194 | (speedbar-make-tag-line 'bracket ?+ 'mh-speed-toggle nil " " 'ignore nil | |
44d55491 | 195 | 'mh-speedbar-folder 0) |
bdcfe844 BW |
196 | (forward-line -1) |
197 | (setf (gethash nil mh-speed-folder-map) | |
924df208 | 198 | (set-marker (or (gethash nil mh-speed-folder-map) (make-marker)) |
d5dc8c56 | 199 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 200 | (add-text-properties |
d5dc8c56 | 201 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
bdcfe844 BW |
202 | `(mh-folder nil mh-expanded nil mh-children-p t mh-level 0)) |
203 | (mh-speed-stealth-update t) | |
6b960c10 | 204 | (when (> mh-speed-update-interval 0) |
bdcfe844 BW |
205 | (mh-speed-flists nil)))) |
206 | ||
c3d9274a | 207 | ;;;###mh-autoload |
bdcfe844 | 208 | (defalias 'mh-show-speedbar-buttons 'mh-folder-speedbar-buttons) |
c3d9274a | 209 | ;;;###mh-autoload |
bdcfe844 BW |
210 | (defalias 'mh-letter-speedbar-buttons 'mh-folder-speedbar-buttons) |
211 | ||
bdcfe844 BW |
212 | (defmacro mh-speed-select-attached-frame () |
213 | "Compatibility macro to handle speedbar versions 0.11a and 0.14beta4." | |
214 | (cond ((fboundp 'dframe-select-attached-frame) | |
215 | '(dframe-select-attached-frame speedbar-frame)) | |
216 | ((boundp 'speedbar-attached-frame) | |
217 | '(select-frame speedbar-attached-frame)) | |
218 | (t (error "Installed speedbar version not supported by MH-E")))) | |
219 | ||
220 | (defun mh-speed-update-current-folder (force) | |
221 | "Update speedbar highlighting of the current folder. | |
2dcf34f9 BW |
222 | The function tries to be smart so that work done is minimized. |
223 | The currently highlighted folder is cached and no highlighting | |
224 | happens unless it changes. | |
bdcfe844 | 225 | Also highlighting is suspended while the speedbar frame is selected. |
2dcf34f9 BW |
226 | Otherwise you get the disconcerting behavior of folders popping open |
227 | on their own when you are trying to navigate around in the speedbar | |
228 | buffer. | |
bdcfe844 BW |
229 | |
230 | The update is always carried out if FORCE is non-nil." | |
231 | (let* ((lastf (selected-frame)) | |
c3d9274a | 232 | (newcf (save-excursion |
bdcfe844 BW |
233 | (mh-speed-select-attached-frame) |
234 | (prog1 (mh-speed-extract-folder-name (buffer-name)) | |
235 | (select-frame lastf)))) | |
c3d9274a BW |
236 | (lastb (current-buffer)) |
237 | (case-fold-search t)) | |
bdcfe844 BW |
238 | (when (or force |
239 | (and mh-speed-refresh-flag (not (eq lastf speedbar-frame))) | |
240 | (and (stringp newcf) | |
241 | (equal (substring newcf 0 1) "+") | |
242 | (not (equal newcf mh-speed-last-selected-folder)))) | |
243 | (setq mh-speed-refresh-flag nil) | |
244 | (select-frame speedbar-frame) | |
245 | (set-buffer speedbar-buffer) | |
246 | ||
247 | ;; Remove highlight from previous match... | |
44d55491 | 248 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
249 | |
250 | ;; If we found a match highlight it... | |
251 | (when (mh-speed-goto-folder newcf) | |
44d55491 | 252 | (mh-speed-highlight newcf 'mh-speedbar-selected-folder)) |
bdcfe844 BW |
253 | |
254 | (setq mh-speed-last-selected-folder newcf) | |
255 | (speedbar-position-cursor-on-line) | |
256 | (set-window-point (frame-first-window speedbar-frame) (point)) | |
257 | (set-buffer lastb) | |
258 | (select-frame lastf)) | |
259 | (when (eq lastf speedbar-frame) | |
260 | (setq mh-speed-refresh-flag t)))) | |
261 | ||
dda00b2c BW |
262 | (defun mh-speed-highlight (folder face) |
263 | "Set FOLDER to FACE." | |
264 | (save-excursion | |
265 | (speedbar-with-writable | |
266 | (goto-char (gethash folder mh-speed-folder-map (point))) | |
267 | (beginning-of-line) | |
d5dc8c56 | 268 | (if (re-search-forward "([1-9][0-9]*/[0-9]+)" (mh-line-end-position) t) |
dda00b2c BW |
269 | (setq face (mh-speed-bold-face face)) |
270 | (setq face (mh-speed-normal-face face))) | |
271 | (beginning-of-line) | |
d5dc8c56 BW |
272 | (when (re-search-forward "\\[.\\] " (mh-line-end-position) t) |
273 | (put-text-property (point) (mh-line-end-position) 'face face))))) | |
dda00b2c | 274 | |
bdcfe844 BW |
275 | (defun mh-speed-normal-face (face) |
276 | "Return normal face for given FACE." | |
44d55491 MB |
277 | (cond ((eq face 'mh-speedbar-folder-with-unseen-messages) |
278 | 'mh-speedbar-folder) | |
279 | ((eq face 'mh-speedbar-selected-folder-with-unseen-messages) | |
280 | 'mh-speedbar-selected-folder) | |
bdcfe844 BW |
281 | (t face))) |
282 | ||
283 | (defun mh-speed-bold-face (face) | |
284 | "Return bold face for given FACE." | |
44d55491 MB |
285 | (cond ((eq face 'mh-speedbar-folder) |
286 | 'mh-speedbar-folder-with-unseen-messages) | |
287 | ((eq face 'mh-speedbar-selected-folder) | |
288 | 'mh-speedbar-selected-folder-with-unseen-messages) | |
bdcfe844 BW |
289 | (t face))) |
290 | ||
bdcfe844 BW |
291 | (defun mh-speed-goto-folder (folder) |
292 | "Move point to line containing FOLDER. | |
293 | The function will expand out parent folders of FOLDER if needed." | |
294 | (let ((prefix folder) | |
295 | (suffix-list ()) | |
296 | (last-slash t)) | |
297 | (while (and (not (gethash prefix mh-speed-folder-map)) last-slash) | |
c3d9274a | 298 | (setq last-slash (mh-search-from-end ?/ prefix)) |
bdcfe844 BW |
299 | (when (integerp last-slash) |
300 | (push (substring prefix (1+ last-slash)) suffix-list) | |
301 | (setq prefix (substring prefix 0 last-slash)))) | |
302 | (let ((prefix-position (gethash prefix mh-speed-folder-map))) | |
303 | (if prefix-position | |
304 | (goto-char prefix-position) | |
305 | (goto-char (point-min)) | |
306 | (mh-speed-toggle) | |
307 | (unless (get-text-property (point) 'mh-expanded) | |
308 | (mh-speed-toggle)) | |
309 | (goto-char (gethash prefix mh-speed-folder-map)))) | |
310 | (while suffix-list | |
311 | ;; We always need atleast one toggle. We need two if the directory list | |
312 | ;; is stale since a folder was added. | |
d5dc8c56 | 313 | (when (equal prefix (get-text-property (mh-line-beginning-position) |
bdcfe844 BW |
314 | 'mh-folder)) |
315 | (mh-speed-toggle) | |
316 | (unless (get-text-property (point) 'mh-expanded) | |
317 | (mh-speed-toggle))) | |
318 | (setq prefix (format "%s/%s" prefix (pop suffix-list))) | |
319 | (goto-char (gethash prefix mh-speed-folder-map (point)))) | |
320 | (beginning-of-line) | |
321 | (equal folder (get-text-property (point) 'mh-folder)))) | |
322 | ||
323 | (defun mh-speed-extract-folder-name (buffer) | |
324 | "Given an MH-E BUFFER find the folder that should be highlighted. | |
2dcf34f9 BW |
325 | Do the right thing for the different kinds of buffers that MH-E |
326 | uses." | |
b5553d47 | 327 | (with-current-buffer buffer |
bdcfe844 BW |
328 | (cond ((eq major-mode 'mh-folder-mode) |
329 | mh-current-folder) | |
330 | ((eq major-mode 'mh-show-mode) | |
331 | (set-buffer mh-show-folder-buffer) | |
332 | mh-current-folder) | |
c3d9274a | 333 | ((eq major-mode 'mh-letter-mode) |
bdcfe844 BW |
334 | (when (string-match mh-user-path buffer-file-name) |
335 | (let* ((rel-path (substring buffer-file-name (match-end 0))) | |
c3d9274a | 336 | (directory-end (mh-search-from-end ?/ rel-path))) |
bdcfe844 BW |
337 | (when directory-end |
338 | (format "+%s" (substring rel-path 0 directory-end))))))))) | |
339 | ||
340 | (defun mh-speed-add-buttons (folder level) | |
341 | "Add speedbar button for FOLDER which is at indented by LEVEL amount." | |
3d7ca223 | 342 | (let ((folder-list (mh-sub-folders folder))) |
bdcfe844 BW |
343 | (mapc |
344 | (lambda (f) | |
345 | (let* ((folder-name (format "%s%s%s" (or folder "+") | |
346 | (if folder "/" "") (car f))) | |
347 | (counts (gethash folder-name mh-speed-flists-cache))) | |
348 | (speedbar-with-writable | |
349 | (speedbar-make-tag-line | |
350 | 'bracket (if (cdr f) ?+ ? ) | |
351 | 'mh-speed-toggle nil | |
352 | (format "%s%s" | |
353 | (car f) | |
354 | (if counts | |
355 | (format " (%s/%s)" (car counts) (cdr counts)) | |
356 | "")) | |
357 | 'mh-speed-view nil | |
358 | (if (and counts (> (car counts) 0)) | |
44d55491 MB |
359 | 'mh-speedbar-folder-with-unseen-messages |
360 | 'mh-speedbar-folder) | |
bdcfe844 BW |
361 | level) |
362 | (save-excursion | |
363 | (forward-line -1) | |
364 | (setf (gethash folder-name mh-speed-folder-map) | |
924df208 BW |
365 | (set-marker (or (gethash folder-name mh-speed-folder-map) |
366 | (make-marker)) | |
d5dc8c56 | 367 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 368 | (add-text-properties |
d5dc8c56 | 369 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 370 | `(mh-folder ,folder-name |
c3d9274a BW |
371 | mh-expanded nil |
372 | mh-children-p ,(not (not (cdr f))) | |
373 | ,@(if counts `(mh-count | |
374 | (,(car counts) . ,(cdr counts))) ()) | |
375 | mh-level ,level)))))) | |
bdcfe844 BW |
376 | folder-list))) |
377 | ||
3d7ca223 | 378 | (defvar mh-speed-current-folder nil) |
924df208 | 379 | (defvar mh-speed-flists-folder nil) |
bdcfe844 | 380 | |
f0d73c14 BW |
381 | (defmacro mh-process-kill-without-query (process) |
382 | "PROCESS can be killed without query on Emacs exit. | |
2dcf34f9 BW |
383 | Avoid using `process-kill-without-query' if possible since it is |
384 | now obsolete." | |
f0d73c14 BW |
385 | (if (fboundp 'set-process-query-on-exit-flag) |
386 | `(set-process-query-on-exit-flag ,process nil) | |
387 | `(process-kill-without-query ,process))) | |
388 | ||
c3d9274a | 389 | ;;;###mh-autoload |
a66894d8 | 390 | (defun mh-speed-flists (force &rest folders) |
bdcfe844 | 391 | "Execute flists -recurse and update message counts. |
a66894d8 BW |
392 | If FORCE is non-nil the timer is reset. |
393 | ||
2dcf34f9 BW |
394 | Any number of optional FOLDERS can be specified. If specified, |
395 | flists is run only for that one folder." | |
bdcfe844 BW |
396 | (interactive (list t)) |
397 | (when force | |
924df208 | 398 | (when mh-speed-flists-timer |
d5dc8c56 | 399 | (mh-cancel-timer mh-speed-flists-timer) |
924df208 | 400 | (setq mh-speed-flists-timer nil)) |
bdcfe844 BW |
401 | (when (and (processp mh-speed-flists-process) |
402 | (not (eq (process-status mh-speed-flists-process) 'exit))) | |
924df208 | 403 | (set-process-filter mh-speed-flists-process t) |
bdcfe844 | 404 | (kill-process mh-speed-flists-process) |
924df208 | 405 | (setq mh-speed-partial-line "") |
bdcfe844 | 406 | (setq mh-speed-flists-process nil))) |
a66894d8 | 407 | (setq mh-speed-flists-folder folders) |
bdcfe844 BW |
408 | (unless mh-speed-flists-timer |
409 | (setq mh-speed-flists-timer | |
410 | (run-at-time | |
6b960c10 BW |
411 | nil (if (> mh-speed-update-interval 0) |
412 | mh-speed-update-interval | |
413 | nil) | |
bdcfe844 BW |
414 | (lambda () |
415 | (unless (and (processp mh-speed-flists-process) | |
416 | (not (eq (process-status mh-speed-flists-process) | |
417 | 'exit))) | |
3d7ca223 BW |
418 | (setq mh-speed-current-folder |
419 | (concat | |
a66894d8 BW |
420 | (if mh-speed-flists-folder |
421 | (substring (car (reverse mh-speed-flists-folder)) 1) | |
422 | (with-temp-buffer | |
423 | (call-process (expand-file-name "folder" mh-progs) | |
424 | nil '(t nil) nil "-fast") | |
425 | (buffer-substring (point-min) (1- (point-max))))) | |
3d7ca223 | 426 | "+")) |
bdcfe844 | 427 | (setq mh-speed-flists-process |
a66894d8 BW |
428 | (apply #'start-process "*flists*" nil |
429 | (expand-file-name "flists" mh-progs) | |
430 | (if mh-speed-flists-folder "-noall" "-all") | |
431 | "-sequence" (symbol-name mh-unseen-seq) | |
432 | (or mh-speed-flists-folder '("-recurse")))) | |
924df208 BW |
433 | ;; Run flists on all folders the next time around... |
434 | (setq mh-speed-flists-folder nil) | |
f0d73c14 | 435 | (mh-process-kill-without-query mh-speed-flists-process) |
bdcfe844 BW |
436 | (set-process-filter mh-speed-flists-process |
437 | 'mh-speed-parse-flists-output))))))) | |
438 | ||
439 | ;; Copied from mh-make-folder-list-filter... | |
dda00b2c | 440 | ;; XXX Refactor to use mh-make-folder-list-filer? |
bdcfe844 BW |
441 | (defun mh-speed-parse-flists-output (process output) |
442 | "Parse the incremental results from flists. | |
2dcf34f9 BW |
443 | PROCESS is the flists process and OUTPUT is the results that must |
444 | be handled next." | |
bdcfe844 BW |
445 | (let ((prevailing-match-data (match-data)) |
446 | (position 0) | |
447 | line-end line folder unseen total) | |
448 | (unwind-protect | |
449 | (while (setq line-end (string-match "\n" output position)) | |
450 | (setq line (format "%s%s" | |
451 | mh-speed-partial-line | |
452 | (substring output position line-end)) | |
453 | mh-speed-partial-line "") | |
c3d9274a | 454 | (multiple-value-setq (folder unseen total) |
86e1c36a | 455 | (values-list |
7c730dd6 | 456 | (mh-parse-flist-output-line line mh-speed-current-folder))) |
924df208 BW |
457 | (when (and folder unseen total |
458 | (let ((old-pair (gethash folder mh-speed-flists-cache))) | |
459 | (or (not (equal (car old-pair) unseen)) | |
460 | (not (equal (cdr old-pair) total))))) | |
c3d9274a | 461 | (setf (gethash folder mh-speed-flists-cache) (cons unseen total)) |
b5553d47 SM |
462 | (when (buffer-live-p (get-buffer speedbar-buffer)) |
463 | (with-current-buffer speedbar-buffer | |
c3d9274a BW |
464 | (speedbar-with-writable |
465 | (when (get-text-property (point-min) 'mh-level) | |
466 | (let ((pos (gethash folder mh-speed-folder-map)) | |
467 | face) | |
468 | (when pos | |
469 | (goto-char pos) | |
d5dc8c56 | 470 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
471 | (cond |
472 | ((null (get-text-property (point) 'mh-count)) | |
d5dc8c56 | 473 | (goto-char (mh-line-end-position)) |
c3d9274a BW |
474 | (setq face (get-text-property (1- (point)) 'face)) |
475 | (insert (format " (%s/%s)" unseen total)) | |
476 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 477 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
478 | (add-text-properties (point) (1+ (point)) |
479 | `(mh-count (,unseen . ,total)))) | |
480 | ((not (equal (get-text-property (point) 'mh-count) | |
481 | (cons unseen total))) | |
d5dc8c56 | 482 | (goto-char (mh-line-end-position)) |
c3d9274a | 483 | (setq face (get-text-property (1- (point)) 'face)) |
d5dc8c56 BW |
484 | (re-search-backward " " (mh-line-beginning-position) t) |
485 | (delete-region (point) (mh-line-end-position)) | |
c3d9274a BW |
486 | (insert (format " (%s/%s)" unseen total)) |
487 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 488 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
489 | (add-text-properties |
490 | (point) (1+ (point)) | |
491 | `(mh-count (,unseen . ,total)))))))))))) | |
bdcfe844 BW |
492 | (setq position (1+ line-end))) |
493 | (set-match-data prevailing-match-data)) | |
c3d9274a | 494 | (setq mh-speed-partial-line (substring output position)))) |
bdcfe844 | 495 | |
c3d9274a | 496 | ;;;###mh-autoload |
bdcfe844 BW |
497 | (defun mh-speed-invalidate-map (folder) |
498 | "Remove FOLDER from various optimization caches." | |
499 | (interactive (list "")) | |
b5553d47 | 500 | (with-current-buffer speedbar-buffer |
bdcfe844 | 501 | (let* ((speedbar-update-flag nil) |
c3d9274a | 502 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
503 | (parent (if last-slash (substring folder 0 last-slash) nil)) |
504 | (parent-position (gethash parent mh-speed-folder-map)) | |
505 | (parent-change nil)) | |
bdcfe844 | 506 | (when parent-position |
3d7ca223 | 507 | (let ((parent-kids (mh-sub-folders parent))) |
bdcfe844 BW |
508 | (cond ((null parent-kids) |
509 | (setq parent-change ?+)) | |
510 | ((and (null (cdr parent-kids)) | |
511 | (equal (if last-slash | |
512 | (substring folder (1+ last-slash)) | |
513 | (substring folder 1)) | |
514 | (caar parent-kids))) | |
515 | (setq parent-change ? )))) | |
516 | (goto-char parent-position) | |
d5dc8c56 | 517 | (when (equal (get-text-property (mh-line-beginning-position) 'mh-folder) |
bdcfe844 | 518 | parent) |
d5dc8c56 | 519 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 BW |
520 | (mh-speed-toggle)) |
521 | (when parent-change | |
522 | (speedbar-with-writable | |
523 | (mh-speedbar-change-expand-button-char parent-change) | |
524 | (add-text-properties | |
d5dc8c56 | 525 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 526 | `(mh-children-p ,(equal parent-change ?+))))) |
44d55491 | 527 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
528 | (setq mh-speed-last-selected-folder nil) |
529 | (setq mh-speed-refresh-flag t))) | |
530 | (when (equal folder "") | |
dda00b2c | 531 | (mh-clear-sub-folders-cache))))) |
6b960c10 | 532 | |
dda00b2c BW |
533 | ;; Make it slightly more general to allow for [ ] buttons to be |
534 | ;; changed to [+]. | |
535 | (defun mh-speedbar-change-expand-button-char (char) | |
536 | "Change the expansion button character to CHAR for the current line." | |
537 | (save-excursion | |
538 | (beginning-of-line) | |
d5dc8c56 | 539 | (if (re-search-forward "\\[.\\]" (mh-line-end-position) t) |
dda00b2c BW |
540 | (speedbar-with-writable |
541 | (backward-char 2) | |
542 | (delete-char 1) | |
543 | (insert-char char 1 t) | |
544 | (put-text-property (point) (1- (point)) 'invisible nil) | |
545 | ;; make sure we fix the image on the text here. | |
546 | (mh-funcall-if-exists | |
547 | speedbar-insert-image-button-maybe (- (point) 2) 3))))) | |
f0d73c14 | 548 | |
c3d9274a | 549 | ;;;###mh-autoload |
bdcfe844 BW |
550 | (defun mh-speed-add-folder (folder) |
551 | "Add FOLDER since it is being created. | |
552 | The function invalidates the latest ancestor that is present." | |
b5553d47 | 553 | (with-current-buffer speedbar-buffer |
bdcfe844 | 554 | (let ((speedbar-update-flag nil) |
c3d9274a | 555 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
556 | (ancestor folder) |
557 | (ancestor-pos nil)) | |
558 | (block while-loop | |
559 | (while last-slash | |
560 | (setq ancestor (substring ancestor 0 last-slash)) | |
561 | (setq ancestor-pos (gethash ancestor mh-speed-folder-map)) | |
562 | (when ancestor-pos | |
563 | (return-from while-loop)) | |
c3d9274a | 564 | (setq last-slash (mh-search-from-end ?/ ancestor)))) |
bdcfe844 BW |
565 | (unless ancestor-pos (setq ancestor nil)) |
566 | (goto-char (or ancestor-pos (gethash nil mh-speed-folder-map))) | |
567 | (speedbar-with-writable | |
568 | (mh-speedbar-change-expand-button-char ?+) | |
569 | (add-text-properties | |
d5dc8c56 | 570 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 571 | `(mh-children-p t))) |
d5dc8c56 | 572 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 | 573 | (mh-speed-toggle)) |
bdcfe844 BW |
574 | (setq mh-speed-refresh-flag t)))) |
575 | ||
bdcfe844 BW |
576 | (provide 'mh-speed) |
577 | ||
cee9f5c6 BW |
578 | ;; Local Variables: |
579 | ;; indent-tabs-mode: nil | |
580 | ;; sentence-end-double-space: nil | |
581 | ;; End: | |
bdcfe844 BW |
582 | |
583 | ;;; mh-speed.el ends here |