Commit | Line | Data |
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dda00b2c | 1 | ;;; mh-speed.el --- MH-E speedbar support |
bdcfe844 | 2 | |
49f70d46 | 3 | ;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
dcf71371 | 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 | |
b5553d47 | 69 | (with-current-buffer speedbar-buffer |
d5dc8c56 | 70 | (get-text-property (mh-line-beginning-position) 'mh-folder))] |
dda00b2c | 71 | ["Expand Nested Folders" mh-speed-expand-folder |
d5dc8c56 BW |
72 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
73 | (not (get-text-property (mh-line-beginning-position) 'mh-expanded)))] | |
dda00b2c | 74 | ["Contract Nested Folders" mh-speed-contract-folder |
d5dc8c56 BW |
75 | (and (get-text-property (mh-line-beginning-position) 'mh-children-p) |
76 | (get-text-property (mh-line-beginning-position) 'mh-expanded))] | |
dda00b2c BW |
77 | ["Refresh Speedbar" mh-speed-refresh t]) |
78 | "Extra menu items for speedbar.") | |
79 | ||
80 | (defvar mh-show-speedbar-menu-items mh-folder-speedbar-menu-items) | |
81 | (defvar mh-letter-speedbar-menu-items mh-folder-speedbar-menu-items) | |
82 | ||
83 | \f | |
84 | ||
85 | ;;; Speedbar Keys | |
86 | ||
87 | (defvar mh-folder-speedbar-key-map (speedbar-make-specialized-keymap) | |
88 | "Specialized speedbar keymap for MH-E buffers.") | |
89 | ||
90 | (gnus-define-keys mh-folder-speedbar-key-map | |
91 | "+" mh-speed-expand-folder | |
92 | "-" mh-speed-contract-folder | |
93 | "\r" mh-speed-view | |
94 | "r" mh-speed-refresh) | |
95 | ||
96 | (defvar mh-show-speedbar-key-map mh-folder-speedbar-key-map) | |
97 | (defvar mh-letter-speedbar-key-map mh-folder-speedbar-key-map) | |
98 | ||
99 | \f | |
100 | ||
101 | ;;; Speedbar Commands | |
102 | ||
103 | ;; Alphabetical. | |
104 | ||
105 | (defalias 'mh-speed-contract-folder 'mh-speed-toggle) | |
106 | ||
107 | (defalias 'mh-speed-expand-folder 'mh-speed-toggle) | |
108 | ||
109 | (defun mh-speed-refresh () | |
110 | "Regenerates the list of folders in the speedbar. | |
111 | ||
112 | Run this command if you've added or deleted a folder, or want to | |
113 | update the unseen message count before the next automatic | |
114 | update." | |
115 | (interactive) | |
116 | (mh-speed-flists t) | |
117 | (mh-speed-invalidate-map "")) | |
118 | ||
119 | (defun mh-speed-stealth-update (&optional force) | |
120 | "Do stealth update. | |
121 | With non-nil FORCE, the update is always carried out." | |
b5553d47 SM |
122 | (cond ((with-current-buffer speedbar-buffer |
123 | (get-text-property (point-min) 'mh-level)) | |
dda00b2c BW |
124 | ;; Execute this hook and *don't* run anything else |
125 | (mh-speed-update-current-folder force) | |
126 | nil) | |
127 | ;; Otherwise on to your regular programming | |
128 | (t t))) | |
129 | ||
130 | (defun mh-speed-toggle (&rest args) | |
131 | "Toggle the display of child folders in the speedbar. | |
132 | The optional ARGS from speedbar are ignored." | |
133 | (interactive) | |
134 | (declare (ignore args)) | |
135 | (beginning-of-line) | |
136 | (let ((parent (get-text-property (point) 'mh-folder)) | |
137 | (kids-p (get-text-property (point) 'mh-children-p)) | |
138 | (expanded (get-text-property (point) 'mh-expanded)) | |
139 | (level (get-text-property (point) 'mh-level)) | |
140 | (point (point)) | |
141 | start-region) | |
142 | (speedbar-with-writable | |
143 | (cond ((not kids-p) nil) | |
144 | (expanded | |
145 | (forward-line) | |
146 | (setq start-region (point)) | |
147 | (while (and (get-text-property (point) 'mh-level) | |
148 | (> (get-text-property (point) 'mh-level) level)) | |
149 | (let ((folder (get-text-property (point) 'mh-folder))) | |
150 | (when (gethash folder mh-speed-folder-map) | |
151 | (set-marker (gethash folder mh-speed-folder-map) nil) | |
152 | (remhash folder mh-speed-folder-map))) | |
153 | (forward-line)) | |
154 | (delete-region start-region (point)) | |
155 | (forward-line -1) | |
156 | (speedbar-change-expand-button-char ?+) | |
157 | (add-text-properties | |
d5dc8c56 | 158 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
159 | '(mh-expanded nil))) |
160 | (t | |
161 | (forward-line) | |
162 | (mh-speed-add-buttons parent (1+ level)) | |
163 | (goto-char point) | |
164 | (speedbar-change-expand-button-char ?-) | |
165 | (add-text-properties | |
d5dc8c56 | 166 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
dda00b2c BW |
167 | `(mh-expanded t))))))) |
168 | ||
169 | (defun mh-speed-view (&rest args) | |
170 | "Visits the selected folder just as if you had used \\<mh-folder-mode-map>\\[mh-visit-folder]. | |
171 | The optional ARGS from speedbar are ignored." | |
172 | (interactive) | |
173 | (declare (ignore args)) | |
d5dc8c56 | 174 | (let* ((folder (get-text-property (mh-line-beginning-position) 'mh-folder)) |
dda00b2c BW |
175 | (range (and (stringp folder) |
176 | (mh-read-range "Scan" folder t nil nil | |
177 | mh-interpret-number-as-range-flag)))) | |
178 | (when (stringp folder) | |
179 | (speedbar-with-attached-buffer | |
180 | (mh-visit-folder folder range) | |
181 | (delete-other-windows))))) | |
182 | ||
183 | \f | |
184 | ||
185 | ;;; Support Routines | |
186 | ||
c3d9274a | 187 | ;;;###mh-autoload |
bdcfe844 BW |
188 | (defun mh-folder-speedbar-buttons (buffer) |
189 | "Interface function to create MH-E speedbar buffer. | |
2dcf34f9 BW |
190 | BUFFER is the MH-E buffer for which the speedbar buffer is to be |
191 | created." | |
bdcfe844 BW |
192 | (unless (get-text-property (point-min) 'mh-level) |
193 | (erase-buffer) | |
194 | (clrhash mh-speed-folder-map) | |
195 | (speedbar-make-tag-line 'bracket ?+ 'mh-speed-toggle nil " " 'ignore nil | |
44d55491 | 196 | 'mh-speedbar-folder 0) |
bdcfe844 BW |
197 | (forward-line -1) |
198 | (setf (gethash nil mh-speed-folder-map) | |
924df208 | 199 | (set-marker (or (gethash nil mh-speed-folder-map) (make-marker)) |
d5dc8c56 | 200 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 201 | (add-text-properties |
d5dc8c56 | 202 | (mh-line-beginning-position) (1+ (line-beginning-position)) |
bdcfe844 BW |
203 | `(mh-folder nil mh-expanded nil mh-children-p t mh-level 0)) |
204 | (mh-speed-stealth-update t) | |
6b960c10 | 205 | (when (> mh-speed-update-interval 0) |
bdcfe844 BW |
206 | (mh-speed-flists nil)))) |
207 | ||
c3d9274a | 208 | ;;;###mh-autoload |
bdcfe844 | 209 | (defalias 'mh-show-speedbar-buttons 'mh-folder-speedbar-buttons) |
c3d9274a | 210 | ;;;###mh-autoload |
bdcfe844 BW |
211 | (defalias 'mh-letter-speedbar-buttons 'mh-folder-speedbar-buttons) |
212 | ||
bdcfe844 BW |
213 | (defmacro mh-speed-select-attached-frame () |
214 | "Compatibility macro to handle speedbar versions 0.11a and 0.14beta4." | |
215 | (cond ((fboundp 'dframe-select-attached-frame) | |
216 | '(dframe-select-attached-frame speedbar-frame)) | |
217 | ((boundp 'speedbar-attached-frame) | |
218 | '(select-frame speedbar-attached-frame)) | |
219 | (t (error "Installed speedbar version not supported by MH-E")))) | |
220 | ||
221 | (defun mh-speed-update-current-folder (force) | |
222 | "Update speedbar highlighting of the current folder. | |
2dcf34f9 BW |
223 | The function tries to be smart so that work done is minimized. |
224 | The currently highlighted folder is cached and no highlighting | |
225 | happens unless it changes. | |
bdcfe844 | 226 | Also highlighting is suspended while the speedbar frame is selected. |
2dcf34f9 BW |
227 | Otherwise you get the disconcerting behavior of folders popping open |
228 | on their own when you are trying to navigate around in the speedbar | |
229 | buffer. | |
bdcfe844 BW |
230 | |
231 | The update is always carried out if FORCE is non-nil." | |
232 | (let* ((lastf (selected-frame)) | |
c3d9274a | 233 | (newcf (save-excursion |
bdcfe844 BW |
234 | (mh-speed-select-attached-frame) |
235 | (prog1 (mh-speed-extract-folder-name (buffer-name)) | |
236 | (select-frame lastf)))) | |
c3d9274a BW |
237 | (lastb (current-buffer)) |
238 | (case-fold-search t)) | |
bdcfe844 BW |
239 | (when (or force |
240 | (and mh-speed-refresh-flag (not (eq lastf speedbar-frame))) | |
241 | (and (stringp newcf) | |
242 | (equal (substring newcf 0 1) "+") | |
243 | (not (equal newcf mh-speed-last-selected-folder)))) | |
244 | (setq mh-speed-refresh-flag nil) | |
245 | (select-frame speedbar-frame) | |
246 | (set-buffer speedbar-buffer) | |
247 | ||
248 | ;; Remove highlight from previous match... | |
44d55491 | 249 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
250 | |
251 | ;; If we found a match highlight it... | |
252 | (when (mh-speed-goto-folder newcf) | |
44d55491 | 253 | (mh-speed-highlight newcf 'mh-speedbar-selected-folder)) |
bdcfe844 BW |
254 | |
255 | (setq mh-speed-last-selected-folder newcf) | |
256 | (speedbar-position-cursor-on-line) | |
257 | (set-window-point (frame-first-window speedbar-frame) (point)) | |
258 | (set-buffer lastb) | |
259 | (select-frame lastf)) | |
260 | (when (eq lastf speedbar-frame) | |
261 | (setq mh-speed-refresh-flag t)))) | |
262 | ||
dda00b2c BW |
263 | (defun mh-speed-highlight (folder face) |
264 | "Set FOLDER to FACE." | |
265 | (save-excursion | |
266 | (speedbar-with-writable | |
267 | (goto-char (gethash folder mh-speed-folder-map (point))) | |
268 | (beginning-of-line) | |
d5dc8c56 | 269 | (if (re-search-forward "([1-9][0-9]*/[0-9]+)" (mh-line-end-position) t) |
dda00b2c BW |
270 | (setq face (mh-speed-bold-face face)) |
271 | (setq face (mh-speed-normal-face face))) | |
272 | (beginning-of-line) | |
d5dc8c56 BW |
273 | (when (re-search-forward "\\[.\\] " (mh-line-end-position) t) |
274 | (put-text-property (point) (mh-line-end-position) 'face face))))) | |
dda00b2c | 275 | |
bdcfe844 BW |
276 | (defun mh-speed-normal-face (face) |
277 | "Return normal face for given FACE." | |
44d55491 MB |
278 | (cond ((eq face 'mh-speedbar-folder-with-unseen-messages) |
279 | 'mh-speedbar-folder) | |
280 | ((eq face 'mh-speedbar-selected-folder-with-unseen-messages) | |
281 | 'mh-speedbar-selected-folder) | |
bdcfe844 BW |
282 | (t face))) |
283 | ||
284 | (defun mh-speed-bold-face (face) | |
285 | "Return bold face for given FACE." | |
44d55491 MB |
286 | (cond ((eq face 'mh-speedbar-folder) |
287 | 'mh-speedbar-folder-with-unseen-messages) | |
288 | ((eq face 'mh-speedbar-selected-folder) | |
289 | 'mh-speedbar-selected-folder-with-unseen-messages) | |
bdcfe844 BW |
290 | (t face))) |
291 | ||
bdcfe844 BW |
292 | (defun mh-speed-goto-folder (folder) |
293 | "Move point to line containing FOLDER. | |
294 | The function will expand out parent folders of FOLDER if needed." | |
295 | (let ((prefix folder) | |
296 | (suffix-list ()) | |
297 | (last-slash t)) | |
298 | (while (and (not (gethash prefix mh-speed-folder-map)) last-slash) | |
c3d9274a | 299 | (setq last-slash (mh-search-from-end ?/ prefix)) |
bdcfe844 BW |
300 | (when (integerp last-slash) |
301 | (push (substring prefix (1+ last-slash)) suffix-list) | |
302 | (setq prefix (substring prefix 0 last-slash)))) | |
303 | (let ((prefix-position (gethash prefix mh-speed-folder-map))) | |
304 | (if prefix-position | |
305 | (goto-char prefix-position) | |
306 | (goto-char (point-min)) | |
307 | (mh-speed-toggle) | |
308 | (unless (get-text-property (point) 'mh-expanded) | |
309 | (mh-speed-toggle)) | |
310 | (goto-char (gethash prefix mh-speed-folder-map)))) | |
311 | (while suffix-list | |
312 | ;; We always need atleast one toggle. We need two if the directory list | |
313 | ;; is stale since a folder was added. | |
d5dc8c56 | 314 | (when (equal prefix (get-text-property (mh-line-beginning-position) |
bdcfe844 BW |
315 | 'mh-folder)) |
316 | (mh-speed-toggle) | |
317 | (unless (get-text-property (point) 'mh-expanded) | |
318 | (mh-speed-toggle))) | |
319 | (setq prefix (format "%s/%s" prefix (pop suffix-list))) | |
320 | (goto-char (gethash prefix mh-speed-folder-map (point)))) | |
321 | (beginning-of-line) | |
322 | (equal folder (get-text-property (point) 'mh-folder)))) | |
323 | ||
324 | (defun mh-speed-extract-folder-name (buffer) | |
325 | "Given an MH-E BUFFER find the folder that should be highlighted. | |
2dcf34f9 BW |
326 | Do the right thing for the different kinds of buffers that MH-E |
327 | uses." | |
b5553d47 | 328 | (with-current-buffer buffer |
bdcfe844 BW |
329 | (cond ((eq major-mode 'mh-folder-mode) |
330 | mh-current-folder) | |
331 | ((eq major-mode 'mh-show-mode) | |
332 | (set-buffer mh-show-folder-buffer) | |
333 | mh-current-folder) | |
c3d9274a | 334 | ((eq major-mode 'mh-letter-mode) |
bdcfe844 BW |
335 | (when (string-match mh-user-path buffer-file-name) |
336 | (let* ((rel-path (substring buffer-file-name (match-end 0))) | |
c3d9274a | 337 | (directory-end (mh-search-from-end ?/ rel-path))) |
bdcfe844 BW |
338 | (when directory-end |
339 | (format "+%s" (substring rel-path 0 directory-end))))))))) | |
340 | ||
341 | (defun mh-speed-add-buttons (folder level) | |
342 | "Add speedbar button for FOLDER which is at indented by LEVEL amount." | |
3d7ca223 | 343 | (let ((folder-list (mh-sub-folders folder))) |
bdcfe844 BW |
344 | (mapc |
345 | (lambda (f) | |
346 | (let* ((folder-name (format "%s%s%s" (or folder "+") | |
347 | (if folder "/" "") (car f))) | |
348 | (counts (gethash folder-name mh-speed-flists-cache))) | |
349 | (speedbar-with-writable | |
350 | (speedbar-make-tag-line | |
351 | 'bracket (if (cdr f) ?+ ? ) | |
352 | 'mh-speed-toggle nil | |
353 | (format "%s%s" | |
354 | (car f) | |
355 | (if counts | |
356 | (format " (%s/%s)" (car counts) (cdr counts)) | |
357 | "")) | |
358 | 'mh-speed-view nil | |
359 | (if (and counts (> (car counts) 0)) | |
44d55491 MB |
360 | 'mh-speedbar-folder-with-unseen-messages |
361 | 'mh-speedbar-folder) | |
bdcfe844 BW |
362 | level) |
363 | (save-excursion | |
364 | (forward-line -1) | |
365 | (setf (gethash folder-name mh-speed-folder-map) | |
924df208 BW |
366 | (set-marker (or (gethash folder-name mh-speed-folder-map) |
367 | (make-marker)) | |
d5dc8c56 | 368 | (1+ (mh-line-beginning-position)))) |
bdcfe844 | 369 | (add-text-properties |
d5dc8c56 | 370 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 371 | `(mh-folder ,folder-name |
c3d9274a BW |
372 | mh-expanded nil |
373 | mh-children-p ,(not (not (cdr f))) | |
374 | ,@(if counts `(mh-count | |
375 | (,(car counts) . ,(cdr counts))) ()) | |
376 | mh-level ,level)))))) | |
bdcfe844 BW |
377 | folder-list))) |
378 | ||
3d7ca223 | 379 | (defvar mh-speed-current-folder nil) |
924df208 | 380 | (defvar mh-speed-flists-folder nil) |
bdcfe844 | 381 | |
f0d73c14 BW |
382 | (defmacro mh-process-kill-without-query (process) |
383 | "PROCESS can be killed without query on Emacs exit. | |
2dcf34f9 BW |
384 | Avoid using `process-kill-without-query' if possible since it is |
385 | now obsolete." | |
f0d73c14 BW |
386 | (if (fboundp 'set-process-query-on-exit-flag) |
387 | `(set-process-query-on-exit-flag ,process nil) | |
388 | `(process-kill-without-query ,process))) | |
389 | ||
c3d9274a | 390 | ;;;###mh-autoload |
a66894d8 | 391 | (defun mh-speed-flists (force &rest folders) |
bdcfe844 | 392 | "Execute flists -recurse and update message counts. |
a66894d8 BW |
393 | If FORCE is non-nil the timer is reset. |
394 | ||
2dcf34f9 BW |
395 | Any number of optional FOLDERS can be specified. If specified, |
396 | flists is run only for that one folder." | |
bdcfe844 BW |
397 | (interactive (list t)) |
398 | (when force | |
924df208 | 399 | (when mh-speed-flists-timer |
d5dc8c56 | 400 | (mh-cancel-timer mh-speed-flists-timer) |
924df208 | 401 | (setq mh-speed-flists-timer nil)) |
bdcfe844 BW |
402 | (when (and (processp mh-speed-flists-process) |
403 | (not (eq (process-status mh-speed-flists-process) 'exit))) | |
924df208 | 404 | (set-process-filter mh-speed-flists-process t) |
bdcfe844 | 405 | (kill-process mh-speed-flists-process) |
924df208 | 406 | (setq mh-speed-partial-line "") |
bdcfe844 | 407 | (setq mh-speed-flists-process nil))) |
a66894d8 | 408 | (setq mh-speed-flists-folder folders) |
bdcfe844 BW |
409 | (unless mh-speed-flists-timer |
410 | (setq mh-speed-flists-timer | |
411 | (run-at-time | |
6b960c10 BW |
412 | nil (if (> mh-speed-update-interval 0) |
413 | mh-speed-update-interval | |
414 | nil) | |
bdcfe844 BW |
415 | (lambda () |
416 | (unless (and (processp mh-speed-flists-process) | |
417 | (not (eq (process-status mh-speed-flists-process) | |
418 | 'exit))) | |
3d7ca223 BW |
419 | (setq mh-speed-current-folder |
420 | (concat | |
a66894d8 BW |
421 | (if mh-speed-flists-folder |
422 | (substring (car (reverse mh-speed-flists-folder)) 1) | |
423 | (with-temp-buffer | |
424 | (call-process (expand-file-name "folder" mh-progs) | |
425 | nil '(t nil) nil "-fast") | |
426 | (buffer-substring (point-min) (1- (point-max))))) | |
3d7ca223 | 427 | "+")) |
bdcfe844 | 428 | (setq mh-speed-flists-process |
a66894d8 BW |
429 | (apply #'start-process "*flists*" nil |
430 | (expand-file-name "flists" mh-progs) | |
431 | (if mh-speed-flists-folder "-noall" "-all") | |
432 | "-sequence" (symbol-name mh-unseen-seq) | |
433 | (or mh-speed-flists-folder '("-recurse")))) | |
924df208 BW |
434 | ;; Run flists on all folders the next time around... |
435 | (setq mh-speed-flists-folder nil) | |
f0d73c14 | 436 | (mh-process-kill-without-query mh-speed-flists-process) |
bdcfe844 BW |
437 | (set-process-filter mh-speed-flists-process |
438 | 'mh-speed-parse-flists-output))))))) | |
439 | ||
440 | ;; Copied from mh-make-folder-list-filter... | |
dda00b2c | 441 | ;; XXX Refactor to use mh-make-folder-list-filer? |
bdcfe844 BW |
442 | (defun mh-speed-parse-flists-output (process output) |
443 | "Parse the incremental results from flists. | |
2dcf34f9 BW |
444 | PROCESS is the flists process and OUTPUT is the results that must |
445 | be handled next." | |
bdcfe844 BW |
446 | (let ((prevailing-match-data (match-data)) |
447 | (position 0) | |
448 | line-end line folder unseen total) | |
449 | (unwind-protect | |
450 | (while (setq line-end (string-match "\n" output position)) | |
451 | (setq line (format "%s%s" | |
452 | mh-speed-partial-line | |
453 | (substring output position line-end)) | |
454 | mh-speed-partial-line "") | |
c3d9274a | 455 | (multiple-value-setq (folder unseen total) |
86e1c36a | 456 | (values-list |
7c730dd6 | 457 | (mh-parse-flist-output-line line mh-speed-current-folder))) |
924df208 BW |
458 | (when (and folder unseen total |
459 | (let ((old-pair (gethash folder mh-speed-flists-cache))) | |
460 | (or (not (equal (car old-pair) unseen)) | |
461 | (not (equal (cdr old-pair) total))))) | |
c3d9274a | 462 | (setf (gethash folder mh-speed-flists-cache) (cons unseen total)) |
b5553d47 SM |
463 | (when (buffer-live-p (get-buffer speedbar-buffer)) |
464 | (with-current-buffer speedbar-buffer | |
c3d9274a BW |
465 | (speedbar-with-writable |
466 | (when (get-text-property (point-min) 'mh-level) | |
467 | (let ((pos (gethash folder mh-speed-folder-map)) | |
468 | face) | |
469 | (when pos | |
470 | (goto-char pos) | |
d5dc8c56 | 471 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
472 | (cond |
473 | ((null (get-text-property (point) 'mh-count)) | |
d5dc8c56 | 474 | (goto-char (mh-line-end-position)) |
c3d9274a BW |
475 | (setq face (get-text-property (1- (point)) 'face)) |
476 | (insert (format " (%s/%s)" unseen total)) | |
477 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 478 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
479 | (add-text-properties (point) (1+ (point)) |
480 | `(mh-count (,unseen . ,total)))) | |
481 | ((not (equal (get-text-property (point) 'mh-count) | |
482 | (cons unseen total))) | |
d5dc8c56 | 483 | (goto-char (mh-line-end-position)) |
c3d9274a | 484 | (setq face (get-text-property (1- (point)) 'face)) |
d5dc8c56 BW |
485 | (re-search-backward " " (mh-line-beginning-position) t) |
486 | (delete-region (point) (mh-line-end-position)) | |
c3d9274a BW |
487 | (insert (format " (%s/%s)" unseen total)) |
488 | (mh-speed-highlight 'unknown face) | |
d5dc8c56 | 489 | (goto-char (mh-line-beginning-position)) |
c3d9274a BW |
490 | (add-text-properties |
491 | (point) (1+ (point)) | |
492 | `(mh-count (,unseen . ,total)))))))))))) | |
bdcfe844 BW |
493 | (setq position (1+ line-end))) |
494 | (set-match-data prevailing-match-data)) | |
c3d9274a | 495 | (setq mh-speed-partial-line (substring output position)))) |
bdcfe844 | 496 | |
c3d9274a | 497 | ;;;###mh-autoload |
bdcfe844 BW |
498 | (defun mh-speed-invalidate-map (folder) |
499 | "Remove FOLDER from various optimization caches." | |
500 | (interactive (list "")) | |
b5553d47 | 501 | (with-current-buffer speedbar-buffer |
bdcfe844 | 502 | (let* ((speedbar-update-flag nil) |
c3d9274a | 503 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
504 | (parent (if last-slash (substring folder 0 last-slash) nil)) |
505 | (parent-position (gethash parent mh-speed-folder-map)) | |
506 | (parent-change nil)) | |
bdcfe844 | 507 | (when parent-position |
3d7ca223 | 508 | (let ((parent-kids (mh-sub-folders parent))) |
bdcfe844 BW |
509 | (cond ((null parent-kids) |
510 | (setq parent-change ?+)) | |
511 | ((and (null (cdr parent-kids)) | |
512 | (equal (if last-slash | |
513 | (substring folder (1+ last-slash)) | |
514 | (substring folder 1)) | |
515 | (caar parent-kids))) | |
516 | (setq parent-change ? )))) | |
517 | (goto-char parent-position) | |
d5dc8c56 | 518 | (when (equal (get-text-property (mh-line-beginning-position) 'mh-folder) |
bdcfe844 | 519 | parent) |
d5dc8c56 | 520 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 BW |
521 | (mh-speed-toggle)) |
522 | (when parent-change | |
523 | (speedbar-with-writable | |
524 | (mh-speedbar-change-expand-button-char parent-change) | |
525 | (add-text-properties | |
d5dc8c56 | 526 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 527 | `(mh-children-p ,(equal parent-change ?+))))) |
44d55491 | 528 | (mh-speed-highlight mh-speed-last-selected-folder 'mh-speedbar-folder) |
bdcfe844 BW |
529 | (setq mh-speed-last-selected-folder nil) |
530 | (setq mh-speed-refresh-flag t))) | |
531 | (when (equal folder "") | |
dda00b2c | 532 | (mh-clear-sub-folders-cache))))) |
6b960c10 | 533 | |
dda00b2c BW |
534 | ;; Make it slightly more general to allow for [ ] buttons to be |
535 | ;; changed to [+]. | |
536 | (defun mh-speedbar-change-expand-button-char (char) | |
537 | "Change the expansion button character to CHAR for the current line." | |
538 | (save-excursion | |
539 | (beginning-of-line) | |
d5dc8c56 | 540 | (if (re-search-forward "\\[.\\]" (mh-line-end-position) t) |
dda00b2c BW |
541 | (speedbar-with-writable |
542 | (backward-char 2) | |
543 | (delete-char 1) | |
544 | (insert-char char 1 t) | |
545 | (put-text-property (point) (1- (point)) 'invisible nil) | |
546 | ;; make sure we fix the image on the text here. | |
547 | (mh-funcall-if-exists | |
548 | speedbar-insert-image-button-maybe (- (point) 2) 3))))) | |
f0d73c14 | 549 | |
c3d9274a | 550 | ;;;###mh-autoload |
bdcfe844 BW |
551 | (defun mh-speed-add-folder (folder) |
552 | "Add FOLDER since it is being created. | |
553 | The function invalidates the latest ancestor that is present." | |
b5553d47 | 554 | (with-current-buffer speedbar-buffer |
bdcfe844 | 555 | (let ((speedbar-update-flag nil) |
c3d9274a | 556 | (last-slash (mh-search-from-end ?/ folder)) |
bdcfe844 BW |
557 | (ancestor folder) |
558 | (ancestor-pos nil)) | |
559 | (block while-loop | |
560 | (while last-slash | |
561 | (setq ancestor (substring ancestor 0 last-slash)) | |
562 | (setq ancestor-pos (gethash ancestor mh-speed-folder-map)) | |
563 | (when ancestor-pos | |
564 | (return-from while-loop)) | |
c3d9274a | 565 | (setq last-slash (mh-search-from-end ?/ ancestor)))) |
bdcfe844 BW |
566 | (unless ancestor-pos (setq ancestor nil)) |
567 | (goto-char (or ancestor-pos (gethash nil mh-speed-folder-map))) | |
568 | (speedbar-with-writable | |
569 | (mh-speedbar-change-expand-button-char ?+) | |
570 | (add-text-properties | |
d5dc8c56 | 571 | (mh-line-beginning-position) (1+ (mh-line-beginning-position)) |
bdcfe844 | 572 | `(mh-children-p t))) |
d5dc8c56 | 573 | (when (get-text-property (mh-line-beginning-position) 'mh-expanded) |
bdcfe844 | 574 | (mh-speed-toggle)) |
bdcfe844 BW |
575 | (setq mh-speed-refresh-flag t)))) |
576 | ||
bdcfe844 BW |
577 | (provide 'mh-speed) |
578 | ||
cee9f5c6 BW |
579 | ;; Local Variables: |
580 | ;; indent-tabs-mode: nil | |
581 | ;; sentence-end-double-space: nil | |
582 | ;; End: | |
bdcfe844 | 583 | |
cee9f5c6 | 584 | ;; arch-tag: d38ddcd4-3c00-4e37-99bf-8b89dda7b32c |
bdcfe844 | 585 | ;;; mh-speed.el ends here |