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ab6d47ea | 1 | ;;; thumbs.el --- Thumbnails previewer for images files |
0658b86f | 2 | |
ba318903 | 3 | ;; Copyright (C) 2004-2014 Free Software Foundation, Inc. |
0658b86f | 4 | |
ab6d47ea | 5 | ;; Author: Jean-Philippe Theberge <jphiltheberge@videotron.ca> |
34dc21db | 6 | ;; Maintainer: emacs-devel@gnu.org |
ab6d47ea RS |
7 | ;; Keywords: Multimedia |
8 | ||
ab6d47ea RS |
9 | ;; This file is part of GNU Emacs. |
10 | ||
eb3fa2cf | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
ab6d47ea | 12 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
ab6d47ea RS |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
ab6d47ea RS |
23 | |
24 | ;;; Commentary: | |
25 | ||
dd2a3d13 NR |
26 | ;; This package create two new modes: thumbs-mode and thumbs-view-image-mode. |
27 | ;; It is used for basic browsing and viewing of images from within Emacs. | |
28 | ;; Minimal image manipulation functions are also available via external | |
da6062e6 | 29 | ;; programs. If you want to do more complex tasks like categorize and tag |
a6009bd1 | 30 | ;; your images, use image-dired.el |
ab6d47ea RS |
31 | ;; |
32 | ;; The 'convert' program from 'ImageMagick' | |
33 | ;; [URL:http://www.imagemagick.org/] is required. | |
34 | ;; | |
dd2a3d13 NR |
35 | ;; Thanks: Alex Schroeder <alex@gnu.org> for maintaining the package at some |
36 | ;; time. The peoples at #emacs@freenode.net for numerous help. RMS | |
37 | ;; for emacs and the GNU project. | |
38 | ;; | |
ab6d47ea | 39 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
dd2a3d13 | 40 | ;; |
ab6d47ea RS |
41 | ;; CHANGELOG |
42 | ;; | |
43 | ;; This is version 2.0 | |
44 | ;; | |
45 | ;; USAGE | |
46 | ;; | |
47 | ;; Type M-x thumbs RET DIR RET to view the directory DIR in Thumbs mode. | |
48 | ;; That should be a directory containing image files. | |
49 | ;; from dired, C-t m enter in thumbs-mode with all marked files | |
50 | ;; C-t a enter in thumbs-mode with all files in current-directory | |
dd2a3d13 NR |
51 | ;; In thumbs-mode, pressing <return> on a image will bring you in image view |
52 | ;; mode for that image. C-h m will give you a list of available keybinding. | |
ab6d47ea RS |
53 | |
54 | ;;; History: | |
d1c43637 | 55 | ;; |
ab6d47ea RS |
56 | |
57 | ;;; Code: | |
58 | ||
59 | (require 'dired) | |
4582a01c | 60 | (require 'cl-lib) ; for cl-gensym |
ab6d47ea | 61 | |
ab6d47ea RS |
62 | ;; CUSTOMIZATIONS |
63 | ||
64 | (defgroup thumbs nil | |
65 | "Thumbnails previewer." | |
bf247b6e | 66 | :version "22.1" |
ab6d47ea RS |
67 | :group 'multimedia) |
68 | ||
d6c180c4 | 69 | (defcustom thumbs-thumbsdir (locate-user-emacs-file "thumbs") |
ea6c930a | 70 | "Directory to store thumbnails." |
ab6d47ea RS |
71 | :type 'directory |
72 | :group 'thumbs) | |
73 | ||
74 | (defcustom thumbs-geometry "100x100" | |
ea6c930a | 75 | "Size of thumbnails." |
ab6d47ea RS |
76 | :type 'string |
77 | :group 'thumbs) | |
78 | ||
dd2a3d13 NR |
79 | (defcustom thumbs-per-line 4 |
80 | "Number of thumbnails per line to show in directory." | |
81 | :type 'integer | |
82 | :group 'thumbs) | |
83 | ||
84 | (defcustom thumbs-max-image-number 16 | |
85 | "Maximum number of images initially displayed in thumbs buffer." | |
67ed6461 | 86 | :type 'integer |
ab6d47ea RS |
87 | :group 'thumbs) |
88 | ||
89 | (defcustom thumbs-thumbsdir-max-size 50000000 | |
dd2a3d13 | 90 | "Maximum size for thumbnails directory. |
b3c70578 | 91 | When it reaches that size (in bytes), a warning is sent." |
67ed6461 | 92 | :type 'integer |
ab6d47ea RS |
93 | :group 'thumbs) |
94 | ||
babfb70b | 95 | ;; Unfortunately Windows XP has a program called CONVERT.EXE in |
e1dbe924 | 96 | ;; C:/WINDOWS/SYSTEM32/ for partitioning NTFS systems. So Emacs |
babfb70b NR |
97 | ;; can find the one in your ImageMagick directory, you need to |
98 | ;; customize this value to the absolute filename. | |
ab6d47ea | 99 | (defcustom thumbs-conversion-program |
f271d3c7 | 100 | (if (eq system-type 'windows-nt) |
ab6d47ea RS |
101 | "convert.exe" |
102 | (or (executable-find "convert") | |
103 | "/usr/X11R6/bin/convert")) | |
ea6c930a | 104 | "Name of conversion program for thumbnails generation. |
ab6d47ea RS |
105 | It must be 'convert'." |
106 | :type 'string | |
107 | :group 'thumbs) | |
108 | ||
109 | (defcustom thumbs-setroot-command | |
110 | "xloadimage -onroot -fullscreen *" | |
111 | "Command to set the root window." | |
112 | :type 'string | |
113 | :group 'thumbs) | |
114 | ||
115 | (defcustom thumbs-relief 5 | |
ea6c930a | 116 | "Size of button-like border around thumbnails." |
67ed6461 | 117 | :type 'integer |
ab6d47ea RS |
118 | :group 'thumbs) |
119 | ||
120 | (defcustom thumbs-margin 2 | |
ea6c930a | 121 | "Size of the margin around thumbnails. |
ab6d47ea | 122 | This is where you see the cursor." |
67ed6461 | 123 | :type 'integer |
ab6d47ea RS |
124 | :group 'thumbs) |
125 | ||
126 | (defcustom thumbs-thumbsdir-auto-clean t | |
127 | "If set, delete older file in the thumbnails directory. | |
128 | Deletion is done at load time when the directory size is bigger | |
b3c70578 | 129 | than `thumbs-thumbsdir-max-size'." |
ab6d47ea RS |
130 | :type 'boolean |
131 | :group 'thumbs) | |
132 | ||
133 | (defcustom thumbs-image-resizing-step 10 | |
2ff89cf7 | 134 | "Step by which to resize image as a percentage." |
67ed6461 | 135 | :type 'integer |
ab6d47ea RS |
136 | :group 'thumbs) |
137 | ||
f271d3c7 | 138 | (defcustom thumbs-temp-dir temporary-file-directory |
ab6d47ea | 139 | "Temporary directory to use. |
f271d3c7 JB |
140 | Defaults to `temporary-file-directory'. Leaving it to |
141 | this value can let another user see some of your images." | |
ab6d47ea RS |
142 | :type 'directory |
143 | :group 'thumbs) | |
144 | ||
145 | (defcustom thumbs-temp-prefix "emacsthumbs" | |
146 | "Prefix to add to temp files." | |
147 | :type 'string | |
148 | :group 'thumbs) | |
149 | ||
150 | ;; Initialize some variable, for later use. | |
6ced5724 | 151 | (defvar thumbs-current-tmp-filename nil |
ab6d47ea | 152 | "Temporary filename of current image.") |
6ced5724 JB |
153 | (make-variable-buffer-local 'thumbs-current-tmp-filename) |
154 | ||
155 | (defvar thumbs-current-image-filename nil | |
ab6d47ea | 156 | "Filename of current image.") |
6ced5724 JB |
157 | (make-variable-buffer-local 'thumbs-current-image-filename) |
158 | ||
dd2a3d13 NR |
159 | (defvar thumbs-extra-images 1 |
160 | "Counter for showing extra images in thumbs buffer.") | |
161 | (make-variable-buffer-local 'thumbs-extra-images) | |
162 | (put 'thumbs-extra-images 'permanent-local t) | |
163 | ||
6ced5724 | 164 | (defvar thumbs-current-image-size nil |
ab6d47ea | 165 | "Size of current image.") |
6ced5724 JB |
166 | |
167 | (defvar thumbs-image-num nil | |
ab6d47ea | 168 | "Number of current image.") |
6ced5724 JB |
169 | (make-variable-buffer-local 'thumbs-image-num) |
170 | ||
c897e76f NR |
171 | (defvar thumbs-buffer nil |
172 | "Name of buffer containing thumbnails associated with image.") | |
173 | (make-variable-buffer-local 'thumbs-buffer) | |
174 | ||
6ced5724 | 175 | (defvar thumbs-current-dir nil |
ab6d47ea | 176 | "Current directory.") |
6ced5724 | 177 | |
dd2a3d13 | 178 | (defvar thumbs-marked-list nil |
ab6d47ea | 179 | "List of marked files.") |
0868cd70 NR |
180 | (make-variable-buffer-local 'thumbs-marked-list) |
181 | (put 'thumbs-marked-list 'permanent-local t) | |
ab6d47ea | 182 | |
6cae5f24 JB |
183 | (defsubst thumbs-temp-dir () |
184 | (file-name-as-directory (expand-file-name thumbs-temp-dir))) | |
185 | ||
f271d3c7 JB |
186 | (defun thumbs-temp-file () |
187 | "Return a unique temporary filename for an image." | |
188 | (format "%s%s-%s.jpg" | |
6cae5f24 | 189 | (thumbs-temp-dir) |
f271d3c7 | 190 | thumbs-temp-prefix |
4582a01c | 191 | (cl-gensym "T"))) |
f271d3c7 JB |
192 | |
193 | (defun thumbs-thumbsdir () | |
194 | "Return the current thumbnails directory (from `thumbs-thumbsdir'). | |
195 | Create the thumbnails directory if it does not exist." | |
6cae5f24 JB |
196 | (let ((thumbs-thumbsdir (file-name-as-directory |
197 | (expand-file-name thumbs-thumbsdir)))) | |
f271d3c7 | 198 | (unless (file-directory-p thumbs-thumbsdir) |
6c060884 | 199 | (make-directory thumbs-thumbsdir t) |
f271d3c7 JB |
200 | (message "Creating thumbnails directory")) |
201 | thumbs-thumbsdir)) | |
ab6d47ea RS |
202 | |
203 | (defun thumbs-cleanup-thumbsdir () | |
204 | "Clean the thumbnails directory. | |
f75049fc JB |
205 | If the total size of all files in `thumbs-thumbsdir' is bigger than |
206 | `thumbs-thumbsdir-max-size', files are deleted until the max size is | |
ab6d47ea | 207 | reached." |
dd2a3d13 | 208 | (let* ((files-list |
ab6d47ea RS |
209 | (sort |
210 | (mapcar | |
211 | (lambda (f) | |
dd2a3d13 NR |
212 | (let ((fattribs-list (file-attributes f))) |
213 | `(,(nth 4 fattribs-list) ,(nth 7 fattribs-list) ,f))) | |
f271d3c7 | 214 | (directory-files (thumbs-thumbsdir) t (image-file-name-regexp))) |
4f91a816 | 215 | (lambda (l1 l2) (time-less-p (car l1) (car l2))))) |
dd2a3d13 | 216 | (dirsize (apply '+ (mapcar (lambda (x) (cadr x)) files-list)))) |
ab6d47ea RS |
217 | (while (> dirsize thumbs-thumbsdir-max-size) |
218 | (progn | |
dd2a3d13 NR |
219 | (message "Deleting file %s" (cadr (cdar files-list)))) |
220 | (delete-file (cadr (cdar files-list))) | |
221 | (setq dirsize (- dirsize (car (cdar files-list)))) | |
222 | (setq files-list (cdr files-list))))) | |
ab6d47ea | 223 | |
40ba43b4 | 224 | ;; Check the thumbnail directory size and clean it if necessary. |
ab6d47ea RS |
225 | (when thumbs-thumbsdir-auto-clean |
226 | (thumbs-cleanup-thumbsdir)) | |
227 | ||
228 | (defun thumbs-call-convert (filein fileout action | |
229 | &optional arg output-format action-prefix) | |
230 | "Call the convert program. | |
231 | FILEIN is the input file, | |
232 | FILEOUT is the output file, | |
233 | ACTION is the command to send to convert. | |
f75049fc | 234 | Optional arguments are: |
ab6d47ea | 235 | ARG any arguments to the ACTION command, |
f75049fc | 236 | OUTPUT-FORMAT is the file format to output (default is jpeg), |
ab6d47ea | 237 | ACTION-PREFIX is the symbol to place before the ACTION command |
f75049fc | 238 | (defaults to '-' but can sometimes be '+')." |
a50d1244 NR |
239 | (call-process thumbs-conversion-program nil nil nil |
240 | (or action-prefix "-") | |
241 | action | |
242 | (or arg "") | |
243 | filein | |
244 | (format "%s:%s" (or output-format "jpeg") fileout))) | |
ab6d47ea | 245 | |
2ff89cf7 NR |
246 | (defun thumbs-new-image-size (s increment) |
247 | "New image (a cons of width x height)." | |
248 | (let ((d (* increment thumbs-image-resizing-step))) | |
249 | (cons | |
250 | (round (+ (car s) (/ (* d (car s)) 100))) | |
251 | (round (+ (cdr s) (/ (* d (cdr s)) 100)))))) | |
252 | ||
253 | (defun thumbs-resize-image-1 (&optional increment size) | |
ab6d47ea | 254 | "Resize image in current buffer. |
2ff89cf7 NR |
255 | If SIZE is specified use it. Otherwise make the image larger or |
256 | smaller according to whether INCREMENT is 1 or -1." | |
257 | (let* ((buffer-read-only nil) | |
258 | (old thumbs-current-tmp-filename) | |
259 | (x (or size | |
260 | (thumbs-new-image-size thumbs-current-image-size increment))) | |
261 | (tmp (thumbs-temp-file))) | |
ab6d47ea | 262 | (erase-buffer) |
2ff89cf7 | 263 | (thumbs-call-convert (or old thumbs-current-image-filename) |
ab6d47ea RS |
264 | tmp "sample" |
265 | (concat (number-to-string (car x)) "x" | |
266 | (number-to-string (cdr x)))) | |
2ff89cf7 NR |
267 | (save-excursion |
268 | (thumbs-insert-image tmp 'jpeg 0)) | |
ab6d47ea RS |
269 | (setq thumbs-current-tmp-filename tmp))) |
270 | ||
2ff89cf7 | 271 | (defun thumbs-resize-image (width height) |
f271d3c7 | 272 | "Resize image interactively to specified WIDTH and HEIGHT." |
ab6d47ea | 273 | (interactive "nWidth: \nnHeight: ") |
2ff89cf7 | 274 | (thumbs-resize-image-1 nil (cons width height))) |
d1c43637 | 275 | |
2ff89cf7 | 276 | (defun thumbs-shrink-image () |
ab6d47ea RS |
277 | "Resize image (smaller)." |
278 | (interactive) | |
2ff89cf7 | 279 | (thumbs-resize-image-1 -1)) |
ab6d47ea | 280 | |
2ff89cf7 | 281 | (defun thumbs-enlarge-image () |
ab6d47ea RS |
282 | "Resize image (bigger)." |
283 | (interactive) | |
2ff89cf7 | 284 | (thumbs-resize-image-1 1)) |
ab6d47ea | 285 | |
ab6d47ea RS |
286 | (defun thumbs-thumbname (img) |
287 | "Return a thumbnail name for the image IMG." | |
0df06447 JB |
288 | (convert-standard-filename |
289 | (let ((filename (expand-file-name img))) | |
6cae5f24 | 290 | (format "%s%08x-%s.jpg" |
f271d3c7 | 291 | (thumbs-thumbsdir) |
0df06447 JB |
292 | (sxhash filename) |
293 | (subst-char-in-string | |
294 | ?\s ?\_ | |
295 | (apply | |
296 | 'concat | |
297 | (split-string filename "/"))))))) | |
ab6d47ea RS |
298 | |
299 | (defun thumbs-make-thumb (img) | |
300 | "Create the thumbnail for IMG." | |
0df06447 JB |
301 | (let ((fn (expand-file-name img)) |
302 | (tn (thumbs-thumbname img))) | |
ab6d47ea | 303 | (if (or (not (file-exists-p tn)) |
0658b86f RS |
304 | ;; This is not the right fix, but I don't understand |
305 | ;; the external program or why it produces a geometry | |
306 | ;; unequal to the one requested -- rms. | |
307 | ;;; (not (equal (thumbs-file-size tn) thumbs-geometry)) | |
308 | ) | |
ab6d47ea RS |
309 | (thumbs-call-convert fn tn "sample" thumbs-geometry)) |
310 | tn)) | |
d1c43637 | 311 | |
ab6d47ea RS |
312 | (defun thumbs-image-type (img) |
313 | "Return image type from filename IMG." | |
314 | (cond ((string-match ".*\\.jpe?g\\'" img) 'jpeg) | |
315 | ((string-match ".*\\.xpm\\'" img) 'xpm) | |
316 | ((string-match ".*\\.xbm\\'" img) 'xbm) | |
24bdbffe | 317 | ((string-match ".*\\.pbm\\'" img) 'pbm) |
ab6d47ea RS |
318 | ((string-match ".*\\.gif\\'" img) 'gif) |
319 | ((string-match ".*\\.bmp\\'" img) 'bmp) | |
320 | ((string-match ".*\\.png\\'" img) 'png) | |
321 | ((string-match ".*\\.tiff?\\'" img) 'tiff))) | |
322 | ||
aa360da1 GM |
323 | (declare-function image-size "image.c" (spec &optional pixels frame)) |
324 | ||
ab6d47ea | 325 | (defun thumbs-file-size (img) |
0868cd70 NR |
326 | (let ((i (image-size |
327 | (find-image `((:type ,(thumbs-image-type img) :file ,img))) t))) | |
328 | (concat (number-to-string (round (car i))) "x" | |
ab6d47ea | 329 | (number-to-string (round (cdr i)))))) |
d1c43637 | 330 | |
ab6d47ea RS |
331 | ;;;###autoload |
332 | (defun thumbs-find-thumb (img) | |
333 | "Display the thumbnail for IMG." | |
334 | (interactive "f") | |
335 | (find-file (thumbs-make-thumb img))) | |
336 | ||
337 | (defun thumbs-insert-image (img type relief &optional marked) | |
338 | "Insert image IMG at point. | |
339 | TYPE and RELIEF will be used in constructing the image; see `image' | |
340 | in the emacs-lisp manual for further documentation. | |
f75049fc | 341 | If MARKED is non-nil, the image is marked." |
ab6d47ea RS |
342 | (let ((i `(image :type ,type |
343 | :file ,img | |
344 | :relief ,relief | |
345 | :conversion ,(if marked 'disabled) | |
346 | :margin ,thumbs-margin))) | |
347 | (insert-image i) | |
6ced5724 JB |
348 | (set (make-local-variable 'thumbs-current-image-size) |
349 | (image-size i t)))) | |
ab6d47ea RS |
350 | |
351 | (defun thumbs-insert-thumb (img &optional marked) | |
352 | "Insert the thumbnail for IMG at point. | |
f75049fc | 353 | If MARKED is non-nil, the image is marked." |
ab6d47ea | 354 | (thumbs-insert-image |
0658b86f | 355 | (thumbs-make-thumb img) 'jpeg thumbs-relief marked) |
dd2a3d13 NR |
356 | (add-text-properties (1- (point)) (point) |
357 | `(thumb-image-file ,img | |
0868cd70 NR |
358 | help-echo ,(file-name-nondirectory img) |
359 | rear-nonsticky help-echo))) | |
dd2a3d13 NR |
360 | |
361 | (defun thumbs-do-thumbs-insertion (list) | |
362 | "Insert all thumbnails into thumbs buffer." | |
363 | (let* ((i 0) | |
364 | (length (length list)) | |
365 | (diff (- length (* thumbs-max-image-number thumbs-extra-images)))) | |
366 | (nbutlast list diff) | |
367 | (dolist (img list) | |
0658b86f | 368 | (thumbs-insert-thumb img |
dd2a3d13 | 369 | (member img thumbs-marked-list)) |
ab6d47ea | 370 | (when (= 0 (mod (setq i (1+ i)) thumbs-per-line)) |
0658b86f | 371 | (newline))) |
dd2a3d13 | 372 | (unless (bobp) (newline)) |
3e5b780f | 373 | (if (> diff 0) (message "Type + to display more images.")))) |
ab6d47ea | 374 | |
dd2a3d13 | 375 | (defun thumbs-show-thumbs-list (list &optional dir same-window) |
0df06447 JB |
376 | (unless (and (display-images-p) |
377 | (image-type-available-p 'jpeg)) | |
378 | (error "Required image type is not supported in this Emacs session")) | |
ab6d47ea | 379 | (funcall (if same-window 'switch-to-buffer 'pop-to-buffer) |
dd2a3d13 | 380 | (if dir (concat "*Thumbs: " dir) "*THUMB-View*")) |
ab6d47ea RS |
381 | (let ((inhibit-read-only t)) |
382 | (erase-buffer) | |
383 | (thumbs-mode) | |
2ff89cf7 | 384 | (setq thumbs-buffer (current-buffer)) |
dd2a3d13 NR |
385 | (if dir (setq default-directory dir)) |
386 | (thumbs-do-thumbs-insertion list) | |
ab6d47ea | 387 | (goto-char (point-min)) |
6ced5724 | 388 | (set (make-local-variable 'thumbs-current-dir) default-directory))) |
ab6d47ea RS |
389 | |
390 | ;;;###autoload | |
dd2a3d13 | 391 | (defun thumbs-show-from-dir (dir &optional reg same-window) |
ab6d47ea RS |
392 | "Make a preview buffer for all images in DIR. |
393 | Optional argument REG to select file matching a regexp, | |
394 | and SAME-WINDOW to show thumbs in the same window." | |
395 | (interactive "DDir: ") | |
396 | (thumbs-show-thumbs-list | |
dd2a3d13 NR |
397 | (directory-files dir t (or reg (image-file-name-regexp))) |
398 | dir same-window)) | |
ab6d47ea RS |
399 | |
400 | ;;;###autoload | |
401 | (defun thumbs-dired-show-marked () | |
dd2a3d13 | 402 | "In dired, make a thumbs buffer with marked files." |
ab6d47ea RS |
403 | (interactive) |
404 | (thumbs-show-thumbs-list (dired-get-marked-files) nil t)) | |
405 | ||
406 | ;;;###autoload | |
dd2a3d13 | 407 | (defun thumbs-dired-show () |
ab6d47ea RS |
408 | "In dired, make a thumbs buffer with all files in current directory." |
409 | (interactive) | |
dd2a3d13 | 410 | (thumbs-show-from-dir default-directory nil t)) |
ab6d47ea RS |
411 | |
412 | ;;;###autoload | |
dd2a3d13 | 413 | (defalias 'thumbs 'thumbs-show-from-dir) |
ab6d47ea | 414 | |
0658b86f | 415 | (defun thumbs-find-image (img &optional num otherwin) |
c897e76f NR |
416 | (let ((buffer (current-buffer))) |
417 | (funcall | |
418 | (if otherwin 'switch-to-buffer-other-window 'switch-to-buffer) | |
419 | "*Image*") | |
420 | (thumbs-view-image-mode) | |
421 | (setq mode-name | |
422 | (concat "image-view-mode: " (file-name-nondirectory img) | |
423 | " - " (number-to-string num))) | |
424 | (setq thumbs-buffer buffer) | |
425 | (let ((inhibit-read-only t)) | |
426 | (setq thumbs-current-image-filename img | |
427 | thumbs-current-tmp-filename nil | |
428 | thumbs-image-num (or num 0)) | |
429 | (delete-region (point-min)(point-max)) | |
430 | (save-excursion | |
431 | (thumbs-insert-image img (thumbs-image-type img) 0))))) | |
ab6d47ea RS |
432 | |
433 | (defun thumbs-find-image-at-point (&optional img otherwin) | |
434 | "Display image IMG for thumbnail at point. | |
f75049fc | 435 | Use another window if OTHERWIN is t." |
ab6d47ea | 436 | (interactive) |
0658b86f RS |
437 | (let* ((i (or img (thumbs-current-image)))) |
438 | (thumbs-find-image i (point) otherwin))) | |
ab6d47ea RS |
439 | |
440 | (defun thumbs-find-image-at-point-other-window () | |
441 | "Display image for thumbnail at point in the preview buffer. | |
442 | Open another window." | |
443 | (interactive) | |
444 | (thumbs-find-image-at-point nil t)) | |
445 | ||
0658b86f RS |
446 | (defun thumbs-mouse-find-image (event) |
447 | "Display image for thumbnail at mouse click EVENT." | |
448 | (interactive "e") | |
449 | (mouse-set-point event) | |
450 | (thumbs-find-image-at-point)) | |
451 | ||
ab6d47ea RS |
452 | (defun thumbs-call-setroot-command (img) |
453 | "Call the setroot program for IMG." | |
454 | (run-hooks 'thumbs-before-setroot-hook) | |
455 | (shell-command (replace-regexp-in-string | |
456 | "\\*" | |
457 | (shell-quote-argument (expand-file-name img)) | |
458 | thumbs-setroot-command nil t)) | |
459 | (run-hooks 'thumbs-after-setroot-hook)) | |
d1c43637 | 460 | |
ab6d47ea RS |
461 | (defun thumbs-set-image-at-point-to-root-window () |
462 | "Set the image at point as the desktop wallpaper." | |
463 | (interactive) | |
0658b86f RS |
464 | (thumbs-call-setroot-command |
465 | (thumbs-current-image))) | |
ab6d47ea RS |
466 | |
467 | (defun thumbs-set-root () | |
468 | "Set the current image as root." | |
469 | (interactive) | |
470 | (thumbs-call-setroot-command | |
471 | (or thumbs-current-tmp-filename | |
472 | thumbs-current-image-filename))) | |
473 | ||
0658b86f RS |
474 | (defun thumbs-file-alist () |
475 | "Make an alist of elements (POS . FILENAME) for all images in thumb buffer." | |
c897e76f NR |
476 | (with-current-buffer thumbs-buffer |
477 | (save-excursion | |
478 | (let (list) | |
479 | (goto-char (point-min)) | |
480 | (while (not (eobp)) | |
0868cd70 | 481 | (unless (eolp) |
1acadcfe NR |
482 | (if (thumbs-current-image) |
483 | (push (cons (point-marker) | |
484 | (thumbs-current-image)) | |
485 | list))) | |
c897e76f NR |
486 | (forward-char 1)) |
487 | (nreverse list))))) | |
0658b86f RS |
488 | |
489 | (defun thumbs-file-list () | |
490 | "Make a list of file names for all images in thumb buffer." | |
491 | (save-excursion | |
492 | (let (list) | |
493 | (goto-char (point-min)) | |
494 | (while (not (eobp)) | |
495 | (if (thumbs-current-image) | |
496 | (push (thumbs-current-image) list)) | |
497 | (forward-char 1)) | |
498 | (nreverse list)))) | |
499 | ||
ab6d47ea | 500 | (defun thumbs-delete-images () |
f75049fc | 501 | "Delete the image at point (and its thumbnail) (or marked files if any)." |
ab6d47ea | 502 | (interactive) |
dd2a3d13 | 503 | (let ((files (or thumbs-marked-list (list (thumbs-current-image))))) |
0658b86f | 504 | (if (yes-or-no-p (format "Really delete %d files? " (length files))) |
dd2a3d13 | 505 | (let ((thumbs-file-list (thumbs-file-alist)) |
0658b86f RS |
506 | (inhibit-read-only t)) |
507 | (dolist (x files) | |
508 | (let (failure) | |
509 | (condition-case () | |
510 | (progn | |
ab6d47ea | 511 | (delete-file x) |
0658b86f RS |
512 | (delete-file (thumbs-thumbname x))) |
513 | (file-error (setq failure t))) | |
514 | (unless failure | |
dd2a3d13 NR |
515 | (when (rassoc x thumbs-file-list) |
516 | (goto-char (car (rassoc x thumbs-file-list))) | |
0658b86f | 517 | (delete-region (point) (1+ (point)))) |
dd2a3d13 NR |
518 | (setq thumbs-marked-list |
519 | (delq x thumbs-marked-list))))))))) | |
0658b86f RS |
520 | |
521 | (defun thumbs-rename-images (newfile) | |
f75049fc | 522 | "Rename the image at point (and its thumbnail) (or marked files if any)." |
0658b86f | 523 | (interactive "FRename to file or directory: ") |
dd2a3d13 | 524 | (let ((files (or thumbs-marked-list (list (thumbs-current-image)))) |
0658b86f RS |
525 | failures) |
526 | (if (and (not (file-directory-p newfile)) | |
dd2a3d13 | 527 | thumbs-marked-list) |
0658b86f RS |
528 | (if (file-exists-p newfile) |
529 | (error "Renaming marked files to file name `%s'" newfile) | |
530 | (make-directory newfile t))) | |
531 | (if (yes-or-no-p (format "Really rename %d files? " (length files))) | |
dd2a3d13 | 532 | (let ((thumbs-file-list (thumbs-file-alist)) |
0658b86f RS |
533 | (inhibit-read-only t)) |
534 | (dolist (file files) | |
535 | (let (failure) | |
536 | (condition-case () | |
537 | (if (file-directory-p newfile) | |
538 | (rename-file file | |
539 | (expand-file-name | |
540 | (file-name-nondirectory file) | |
541 | newfile)) | |
542 | (rename-file file newfile)) | |
543 | (file-error (setq failure t) | |
544 | (push file failures))) | |
545 | (unless failure | |
dd2a3d13 NR |
546 | (when (rassoc file thumbs-file-list) |
547 | (goto-char (car (rassoc file thumbs-file-list))) | |
0658b86f | 548 | (delete-region (point) (1+ (point)))) |
dd2a3d13 NR |
549 | (setq thumbs-marked-list |
550 | (delq file thumbs-marked-list))))))) | |
0658b86f RS |
551 | (if failures |
552 | (display-warning 'file-error | |
553 | (format "Rename failures for %s into %s" | |
554 | failures newfile) | |
555 | :error)))) | |
ab6d47ea RS |
556 | |
557 | (defun thumbs-kill-buffer () | |
558 | "Kill the current buffer." | |
559 | (interactive) | |
f271d3c7 | 560 | (quit-window t (selected-window))) |
ab6d47ea RS |
561 | |
562 | (defun thumbs-show-image-num (num) | |
563 | "Show the image with number NUM." | |
0658b86f | 564 | (let ((image-buffer (get-buffer-create "*Image*"))) |
c897e76f | 565 | (let ((img (cdr (nth (1- num) (thumbs-file-alist))))) |
0658b86f | 566 | (with-current-buffer image-buffer |
c897e76f NR |
567 | (setq mode-name |
568 | (concat "image-view-mode: " (file-name-nondirectory img) | |
569 | " - " (number-to-string num))) | |
570 | (let ((inhibit-read-only t)) | |
571 | (erase-buffer) | |
572 | (thumbs-insert-image img (thumbs-image-type img) 0) | |
573 | (goto-char (point-min)))) | |
d42799bd | 574 | (setq thumbs-image-num num |
c897e76f | 575 | thumbs-current-image-filename img)))) |
ab6d47ea | 576 | |
dd2a3d13 NR |
577 | (defun thumbs-previous-image () |
578 | "Show the previous image." | |
579 | (interactive) | |
580 | (let* ((i (- thumbs-image-num 1)) | |
581 | (number (length (thumbs-file-alist)))) | |
582 | (if (= i 0) (setq i (1- number))) | |
583 | (thumbs-show-image-num i))) | |
584 | ||
ab6d47ea | 585 | (defun thumbs-next-image () |
f75049fc | 586 | "Show the next image." |
ab6d47ea RS |
587 | (interactive) |
588 | (let* ((i (1+ thumbs-image-num)) | |
c897e76f NR |
589 | (number (length (thumbs-file-alist)))) |
590 | (if (= i number) (setq i 1)) | |
0658b86f | 591 | (thumbs-show-image-num i))) |
ab6d47ea | 592 | |
dd2a3d13 NR |
593 | (defun thumbs-display-thumbs-buffer () |
594 | "Display the associated thumbs buffer." | |
ab6d47ea | 595 | (interactive) |
dd2a3d13 | 596 | (display-buffer thumbs-buffer)) |
ab6d47ea RS |
597 | |
598 | (defun thumbs-redraw-buffer () | |
599 | "Redraw the current thumbs buffer." | |
600 | (let ((p (point)) | |
0658b86f RS |
601 | (inhibit-read-only t) |
602 | (files (thumbs-file-list))) | |
603 | (erase-buffer) | |
604 | (thumbs-do-thumbs-insertion files) | |
605 | (goto-char p))) | |
d1c43637 | 606 | |
ab6d47ea RS |
607 | (defun thumbs-mark () |
608 | "Mark the image at point." | |
609 | (interactive) | |
0658b86f RS |
610 | (let ((elt (thumbs-current-image))) |
611 | (unless elt | |
612 | (error "No image here")) | |
dd2a3d13 | 613 | (push elt thumbs-marked-list) |
0658b86f RS |
614 | (let ((inhibit-read-only t)) |
615 | (delete-char 1) | |
3e5b780f | 616 | (thumbs-insert-thumb elt t))) |
0658b86f RS |
617 | (when (eolp) (forward-char))) |
618 | ||
619 | (defun thumbs-unmark () | |
620 | "Unmark the image at point." | |
621 | (interactive) | |
622 | (let ((elt (thumbs-current-image))) | |
623 | (unless elt | |
624 | (error "No image here")) | |
dd2a3d13 | 625 | (setq thumbs-marked-list (delete elt thumbs-marked-list)) |
0658b86f RS |
626 | (let ((inhibit-read-only t)) |
627 | (delete-char 1) | |
3e5b780f | 628 | (thumbs-insert-thumb elt nil))) |
0658b86f | 629 | (when (eolp) (forward-char))) |
d1c43637 | 630 | |
2ff89cf7 NR |
631 | ;; cleaning of old temp files |
632 | (mapc 'delete-file | |
633 | (directory-files (thumbs-temp-dir) t thumbs-temp-prefix)) | |
634 | ||
ab6d47ea RS |
635 | ;; Image modification routines |
636 | ||
637 | (defun thumbs-modify-image (action &optional arg) | |
638 | "Call convert to do ACTION on image with argument ARG. | |
932fb767 | 639 | ACTION and ARG should be a valid convert command." |
ab6d47ea | 640 | (interactive "sAction: \nsValue: ") |
2ff89cf7 NR |
641 | (let* ((buffer-read-only nil) |
642 | (old thumbs-current-tmp-filename) | |
643 | (tmp (thumbs-temp-file))) | |
ab6d47ea | 644 | (erase-buffer) |
2ff89cf7 | 645 | (thumbs-call-convert (or old thumbs-current-image-filename) |
ab6d47ea RS |
646 | tmp |
647 | action | |
648 | (or arg "")) | |
2ff89cf7 NR |
649 | (save-excursion |
650 | (thumbs-insert-image tmp 'jpeg 0)) | |
ab6d47ea RS |
651 | (setq thumbs-current-tmp-filename tmp))) |
652 | ||
653 | (defun thumbs-emboss-image (emboss) | |
654 | "Emboss the image with value EMBOSS." | |
655 | (interactive "nEmboss value: ") | |
0658b86f RS |
656 | (if (or (< emboss 3) (> emboss 31) (zerop (% emboss 2))) |
657 | (error "Arg must be an odd number between 3 and 31")) | |
ab6d47ea RS |
658 | (thumbs-modify-image "emboss" (number-to-string emboss))) |
659 | ||
660 | (defun thumbs-monochrome-image () | |
661 | "Turn the image to monochrome." | |
662 | (interactive) | |
663 | (thumbs-modify-image "monochrome")) | |
664 | ||
665 | (defun thumbs-negate-image () | |
666 | "Negate the image." | |
667 | (interactive) | |
668 | (thumbs-modify-image "negate")) | |
669 | ||
670 | (defun thumbs-rotate-left () | |
671 | "Rotate the image 90 degrees counter-clockwise." | |
672 | (interactive) | |
673 | (thumbs-modify-image "rotate" "270")) | |
674 | ||
675 | (defun thumbs-rotate-right () | |
676 | "Rotate the image 90 degrees clockwise." | |
677 | (interactive) | |
678 | (thumbs-modify-image "rotate" "90")) | |
679 | ||
0658b86f RS |
680 | (defun thumbs-current-image () |
681 | "Return the name of the image file name at point." | |
682 | (get-text-property (point) 'thumb-image-file)) | |
683 | ||
ab6d47ea RS |
684 | (defun thumbs-forward-char () |
685 | "Move forward one image." | |
686 | (interactive) | |
687 | (forward-char) | |
0658b86f RS |
688 | (while (and (not (eobp)) (not (thumbs-current-image))) |
689 | (forward-char)) | |
ab6d47ea RS |
690 | (thumbs-show-name)) |
691 | ||
692 | (defun thumbs-backward-char () | |
693 | "Move backward one image." | |
694 | (interactive) | |
695 | (forward-char -1) | |
0658b86f RS |
696 | (while (and (not (bobp)) (not (thumbs-current-image))) |
697 | (forward-char -1)) | |
ab6d47ea RS |
698 | (thumbs-show-name)) |
699 | ||
dd2a3d13 NR |
700 | (defun thumbs-backward-line () |
701 | "Move up one line." | |
702 | (interactive) | |
703 | (forward-line -1) | |
704 | (thumbs-show-name)) | |
705 | ||
ab6d47ea RS |
706 | (defun thumbs-forward-line () |
707 | "Move down one line." | |
708 | (interactive) | |
709 | (forward-line 1) | |
710 | (thumbs-show-name)) | |
711 | ||
dd2a3d13 NR |
712 | (defun thumbs-show-more-images (&optional arg) |
713 | "Show more than `thumbs-max-image-number' images, if present." | |
714 | (interactive "P") | |
715 | (or arg (setq arg 1)) | |
716 | (setq thumbs-extra-images (+ thumbs-extra-images arg)) | |
717 | (thumbs-dired-show)) | |
ab6d47ea RS |
718 | |
719 | (defun thumbs-show-name () | |
720 | "Show the name of the current file." | |
721 | (interactive) | |
0658b86f RS |
722 | (let ((f (thumbs-current-image))) |
723 | (and f (message "%s [%s]" f (thumbs-file-size f))))) | |
ab6d47ea RS |
724 | |
725 | (defun thumbs-save-current-image () | |
726 | "Save the current image." | |
727 | (interactive) | |
728 | (let ((f (or thumbs-current-tmp-filename | |
729 | thumbs-current-image-filename)) | |
0658b86f | 730 | (sa (read-from-minibuffer "Save image file as: " |
ab6d47ea RS |
731 | thumbs-current-image-filename))) |
732 | (copy-file f sa))) | |
733 | ||
734 | (defun thumbs-dired () | |
735 | "Use `dired' on the current thumbs directory." | |
736 | (interactive) | |
737 | (dired thumbs-current-dir)) | |
738 | ||
739 | ;; thumbs-mode | |
740 | ||
741 | (defvar thumbs-mode-map | |
742 | (let ((map (make-sparse-keymap))) | |
743 | (define-key map [return] 'thumbs-find-image-at-point) | |
0658b86f | 744 | (define-key map [mouse-2] 'thumbs-mouse-find-image) |
ab6d47ea RS |
745 | (define-key map [(meta return)] 'thumbs-find-image-at-point-other-window) |
746 | (define-key map [(control return)] 'thumbs-set-image-at-point-to-root-window) | |
747 | (define-key map [delete] 'thumbs-delete-images) | |
748 | (define-key map [right] 'thumbs-forward-char) | |
749 | (define-key map [left] 'thumbs-backward-char) | |
750 | (define-key map [up] 'thumbs-backward-line) | |
751 | (define-key map [down] 'thumbs-forward-line) | |
dd2a3d13 | 752 | (define-key map "+" 'thumbs-show-more-images) |
ab6d47ea RS |
753 | (define-key map "d" 'thumbs-dired) |
754 | (define-key map "m" 'thumbs-mark) | |
0658b86f RS |
755 | (define-key map "u" 'thumbs-unmark) |
756 | (define-key map "R" 'thumbs-rename-images) | |
757 | (define-key map "x" 'thumbs-delete-images) | |
ab6d47ea RS |
758 | (define-key map "s" 'thumbs-show-name) |
759 | (define-key map "q" 'thumbs-kill-buffer) | |
760 | map) | |
761 | "Keymap for `thumbs-mode'.") | |
762 | ||
0658b86f | 763 | (put 'thumbs-mode 'mode-class 'special) |
ab6d47ea RS |
764 | (define-derived-mode thumbs-mode |
765 | fundamental-mode "thumbs" | |
766 | "Preview images in a thumbnails buffer" | |
0868cd70 | 767 | (setq buffer-read-only t)) |
ab6d47ea RS |
768 | |
769 | (defvar thumbs-view-image-mode-map | |
770 | (let ((map (make-sparse-keymap))) | |
771 | (define-key map [prior] 'thumbs-previous-image) | |
772 | (define-key map [next] 'thumbs-next-image) | |
dd2a3d13 | 773 | (define-key map "^" 'thumbs-display-thumbs-buffer) |
2ff89cf7 NR |
774 | (define-key map "-" 'thumbs-shrink-image) |
775 | (define-key map "+" 'thumbs-enlarge-image) | |
ab6d47ea RS |
776 | (define-key map "<" 'thumbs-rotate-left) |
777 | (define-key map ">" 'thumbs-rotate-right) | |
778 | (define-key map "e" 'thumbs-emboss-image) | |
2ff89cf7 | 779 | (define-key map "r" 'thumbs-resize-image) |
ab6d47ea RS |
780 | (define-key map "s" 'thumbs-save-current-image) |
781 | (define-key map "q" 'thumbs-kill-buffer) | |
288f8357 | 782 | (define-key map "w" 'thumbs-set-root) |
ab6d47ea RS |
783 | map) |
784 | "Keymap for `thumbs-view-image-mode'.") | |
785 | ||
786 | ;; thumbs-view-image-mode | |
0658b86f | 787 | (put 'thumbs-view-image-mode 'mode-class 'special) |
ab6d47ea | 788 | (define-derived-mode thumbs-view-image-mode |
288f8357 JPW |
789 | fundamental-mode "image-view-mode" |
790 | (setq buffer-read-only t)) | |
ab6d47ea RS |
791 | |
792 | ;;;###autoload | |
793 | (defun thumbs-dired-setroot () | |
f75049fc | 794 | "In dired, call the setroot program on the image at point." |
ab6d47ea RS |
795 | (interactive) |
796 | (thumbs-call-setroot-command (dired-get-filename))) | |
797 | ||
798 | ;; Modif to dired mode map | |
dd2a3d13 | 799 | (define-key dired-mode-map "\C-ta" 'thumbs-dired-show) |
ab6d47ea RS |
800 | (define-key dired-mode-map "\C-tm" 'thumbs-dired-show-marked) |
801 | (define-key dired-mode-map "\C-tw" 'thumbs-dired-setroot) | |
802 | ||
803 | (provide 'thumbs) | |
804 | ||
805 | ;;; thumbs.el ends here |