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Revision 1.6 by root, Mon Nov 3 14:31:57 2003 UTC vs.
Revision 1.70 by root, Sat Sep 8 08:20:02 2007 UTC

1#!/opt/bin/perl 1#!/opt/bin/perl
2
3use Cwd ();
4use Encode ();
2 5
3use Gtk2 -init; 6use Gtk2 -init;
4use Gtk2::Gdk::Keysyms; 7use Gtk2::Gdk::Keysyms;
5 8
9use Gtk2::CV;
10
6use Gtk2::CV::ImageWindow; 11use Gtk2::CV::ImageWindow;
7use Gtk2::CV::Schnauzer; 12use Gtk2::CV::Schnauzer;
8 13
9$VERSION = 0.1; 14BEGIN {
15 require Gtk2::CV::Plugin;
16 require "$ENV{HOME}/.cvrc" if -r "$ENV{HOME}/.cvrc";
17}
10 18
19use Gtk2::CV::Plugin::NameCluster;
20use Gtk2::CV::Plugin::RCluster;
21
22Gtk2::Rc->parse (Gtk2::CV::find_rcfile "gtkrc");
23
24use File::Spec;
25
26my $mainwin;
11my $viewer; 27my $viewer;
28my $viewer_count;
29my $schnauzer;
30my $info;
31my $help;
12 32
13package cluster; 33my $schnauzer_idx = 0;
14 34
15use Glib::Object::Subclass Gtk2::Window; 35sub new_schnauzer {
36 my $s = new Gtk2::CV::Schnauzer;
16 37
17use Gtk2::SimpleList; 38 $s->signal_connect_after (key_press_event => \&std_keys);
18 39 $s->signal_connect (activate => sub {
19sub INIT_INSTANCE { 40 my $label = sprintf "%s (%d)",
20 my ($self) = @_; 41 (File::Spec->splitpath ($_[1]))[2],
21 42 -s $_[1];
22 $self->set_default_size (600, 400); 43 $info->set_label ($label);
23 44 $viewer->load_image ($_[1]) if $viewer; # TODO: error, or chose ANY viewer
24 my $vbox = new Gtk2::VBox;
25 $self->add ($vbox);
26
27 my $box = new Gtk2::HBox;
28 $vbox->add ($box);
29 $box->add (my $sw = new Gtk2::ScrolledWindow);
30 $sw->add (
31 $self->{list} = new Gtk2::SimpleList
32 "#" => "int",
33 "Name" => "text",
34 );
35
36 $box->add ($self->{schnauzer} = new Gtk2::CV::Schnauzer);
37
38 $self->{schnauzer}->signal_connect (activate => sub { $viewer->load_image ($_[1]) });
39
40 $self->{list}->get_column(0)->set_sort_column_id(0);
41 $self->{list}->get_column(1)->set_sort_column_id(1);
42
43 $self->{list}->signal_connect (cursor_changed => sub {
44 my $row = scalar +($_[0]->get_selection->get_selected_rows)[0]->get_indices;
45
46 my $k = $_[0]{data}[$row][1];
47 $k = $self->{cluster}{$k};
48
49 $self->{schnauzer}->set_files (
50 [sort map "$self->{path}/$_", @{$k->[1]}],
51 );
52
53 1;
54
55 }); 45 });
56}
57 46
58sub analyse { 47 Gtk2::CV::Plugin->call (new_schnauzer => $s);
59 my ($self, $path) = @_;
60 48
61 opendir my $dir, $path 49 $s
62 or die "$path: $!"; 50}
63 51
64 $self->{path} = $path; 52sub new_viewer {
53 my $self = new Gtk2::CV::ImageWindow;
65 54
66 my @files = map { 55 $viewer_count++;
67 my $str = $_;
68 $str =~ s/[\-_ ]+/ /g;
69 $str =~ s/\.[^\.]+//g;
70 [$str, $_]
71 }
72 grep !/\.(sfv|crc|par|par2)$/, readdir $dir;
73 56
74 my %cluster; 57 $self->set_title ("CV: Image");
75 58
76 my @regexps = ( 59 $self->signal_connect (key_press_event => sub {
77 [qr<\d+$>, qr<^(.+?)\ *(\d+)$>], 60 $viewer = $_[0];
78 [qr<\ \d+$>, qr<^(.+?)(\d+)\ +(\d+)$>],
79 );
80 61
81 for my $info (@regexps) { 62 my $key = $_[1]->keyval;
82 my $re = $info->[0]; 63 my $state = $_[1]->state;
83 for (@files) { 64
84 if ($_->[0] =~ $re && $_->[0] =~ $info->[1]) { 65 if ($state * "control-mask" && $key == $Gtk2::Gdk::Keysyms{c}) {
85 push @{ ($cluster{$1} ||= [ $info, []])->[1] }, $_->[1]; 66 my $viewer = new_viewer ();
67 $viewer->set_image ($_[0]->{image});
68 $viewer->show_all;
86 } 69 1
70 } else {
71 &std_keys
72 or $schnauzer->signal_emit (key_press_event => $_[1])
87 } 73 }
88 } 74 });
89
90 $self->{cluster} = \%cluster;
91
92 while (my ($k, $v) = each %cluster) {
93 my $n = scalar @{$v->[1]};
94 push @{$self->{list}{data}}, [$n, $k] if $n > 2;
95 }
96}
97
98package main;
99
100sub new_schnauzer {
101 my $w = new Gtk2::Window;
102 $w->add (my $s = new Gtk2::CV::Schnauzer);
103
104 $s->signal_connect (activate => sub { $viewer->load_image ($_[1]) });
105 $s->signal_connect (key_press_event => \&std_keys);
106 $w->signal_connect (delete_event => sub { $_[0]->destroy }); 75 $self->signal_connect (delete_event => sub { $_[0]->destroy; 0 });
76 $self->signal_connect (destroy => sub {
77 $viewer = undef if $viewer == $_[0];
107 78
108 $s->set_dir ("."); 79 main_quit Gtk2 unless --$viewer_count;
109 $w->show_all;
110 80
111 $w; 81 0
82 });
83
84 $self->signal_connect (button3_press_event => sub {
85 $mainwin->visible
86 ? $mainwin->hide
87 : $mainwin->show_all;
88
89 1
90 });
91
92 Gtk2::CV::Plugin->call (new_imagewindow => $self);
93
94 $self
112} 95}
113 96
114sub std_keys { 97sub std_keys {
115 my $key = $_[1]->keyval; 98 my $key = $_[1]->keyval;
99 my $state = $_[1]->state;
116 100
117 my $ctrl = grep $_ eq "control-mask", @{$_[1]->state}; 101 my $ctrl = $state * "control-mask";
118 102
119 if ($key == $Gtk2::Gdk::Keysyms{q}) { 103 if ($key == $Gtk2::Gdk::Keysyms{q}) {
120 main_quit Gtk2; 104 $viewer->destroy;
121 } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { 105 } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) {
122 new_schnauzer; 106 my $w = new Gtk2::Window;
107
108 $w->set_role ("schnauzer");
109 $w->set_title ("CV: Schnauzer");
110 $w->add (my $s = new_schnauzer);
111 $s->set_dir (File::Spec->curdir);
112 $s->set_geometry_hints;
113 $w->show_all;
114
115 } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{h}) {
116 unless ($help) {
117 require Gtk2::PodViewer;
118
119 $help = new Gtk2::Window;
120 $help->set_role ("help");
121 $help->set_title ("CV: Help");
122 $help->set_default_size (500, 300);
123 $help->signal_connect (delete_event => sub { $help->hide; 1 });
124
125 $help->add (my $sw = new Gtk2::ScrolledWindow);
126 $sw->add (my $h = new Gtk2::PodViewer);
127
128 #binmode DATA, ":utf8";
129 $h->load_string (do { local $/; <DATA> });
130 }
131
132 $help->show_all;
123 } else { 133 } else {
124 return 0; 134 return 0;
125 } 135 }
126 136
127 1; 137 1
128} 138}
129 139
130$viewer = new Gtk2::CV::ImageWindow; 140{
131$viewer->signal_connect (key_press_event => \&std_keys); 141 $viewer = new_viewer;
142 $::cur_viewer = $viewer;
143
144 $schnauzer = new_schnauzer;
145
146 $mainwin = new Gtk2::Window;
147 $mainwin->set_role ("main");
148 $mainwin->set_title ("CV");
149 $mainwin->add (my $vbox = new Gtk2::VBox);
132$viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); 150 $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1 });
151
152 $vbox->add ($schnauzer);
153 $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0);
154 $frame->add (my $hbox = new Gtk2::HBox 0, 0);
155 $hbox->pack_start ((new Gtk2::Label "Info: "), 0, 0, 0);
156 $hbox->pack_end (my $labelwindow = new Gtk2::EventBox, 1, 1, 0);
157 $labelwindow->add ($info = new Gtk2::Label);
158 $labelwindow->signal_connect_after (size_request => sub { $_[1]->width (0); 0 });
159 $info->set (selectable => 1, xalign => 0, justify => "left");
160
161 $schnauzer->set_geometry_hints;
162}
163
164if (@ARGV) {
165 my $show_first = sub {
166 $schnauzer->show_all;
167 $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []);
133$viewer->show_all; 168 $viewer->show_all;
169 };
134 170
135my $cluster = new cluster; 171 @ARGV == 1 && -d $ARGV[0]
136 172 ? $schnauzer->set_dir (Glib::filename_to_unicode shift, $show_first)
137#$cluster->analyse ("/fs/samsung/store-anime-done"); 173 : $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV], 1, $show_first);
138#$cluster->show_all; 174} else {
139 175 $schnauzer->set_dir (File::Spec->curdir, sub {
140#$viewer->set (path => "/fs/samsung/store-anime-done/yuumi_kazuaki_-_love_to_hajieki_to_sayonara_to_-_150.jpg"); 176 $mainwin->show_all;
141#$viewer->set (path => "/root/pix/kvvz.jpg"); 177 $viewer->show_all;
178 });
179}
142 180
143main Gtk2; 181main Gtk2;
144 182
183Gtk2::CV::flush_aio;
145 184
185__DATA__
186
187=encoding utf-8
188
189=head1 NAME
190
191cv - a fast gtk+ image viewer loosely modeled after XV
192
193=head1 SYNOPSIS
194
195 cv [file...]
196
197=head1 FEATURES
198
199CV is supposed to work similar to the venerable XV image viewer, just
200faster. Why faster?
201
202=over 4
203
204=item * optimized directory scanning algorithm
205
206The directory scanning in CV uses some tricks that - on most modern
207filesystems - makes it possible to detect filetypes faster than stat()'ing
208every file. This makes CV suitable for directories with lots of files
209(10000+).
210
211This algorithm is quite unprecise - it doesn't make a difference between
212files, device nodes, symlinks and the like, and filetype detection is done
213using the file extension only.
214
215On the positive side, it is usually many orders of magnitude faster than
216traditional scanning techniques (good for directories with 10000 or
217100000+ files).
218
219=item * queuing for all time-consuming background tasks
220
221All tasks, such as unlinking files or generating thumbnails, that can be
222done in the background will be done so - no waiting required, even when
223changing directories.
224
225=item * use of asynchronous I/O
226
227CV tries to use asynchronous I/O whereever it makes sense, for example
228while scanning directories, waiting for stat data, unlinking files or
229generating thumbnails. This usually decreases scanning times for large
230directories a bit (especially on RAID devices and over NFS) and makes CV
231much more interactive.
232
233=item * fast image loading
234
235The time span between the user issuing a command and displaying the new
236image should be as small as possible. CV uses optimized (especially
237for JPEG) loading functions and sacrifices some quality (e.g no gamma
238correction, although this might change) to achieve this speed.
239
240=item * fast thumbnail creation
241
242Thumbnail creation uses both CPU and Disk-I/O. CV interleaves both, so
243on modern CPUs, thumbnailing is usually limited by I/O speed. Thumbnail
244creation for JPEGs has been specially optimized and can even take
245advantage of multiple CPUs.
246
247=item * minimum optical clutter
248
249CV has no menus or other user interface elements that take up a lot of
250screen space (or are useful for beginning users). The schnauzer windows
251can also be somewhat crowded.
252
253The point of an image viewer is viewing images, not a nice GUI. This is
254similar to XV's behaviour.
255
256=item * efficient (and hard to learn) user interface
257
258CV uses key combinations. A lot. If you are an experienced XV user, you
259will find most of these keys familiar. If not, CV might be hard to use at
260first, but will be an efficient tool later.
261
262=item * multi-window GUI
263
264CV doesn't force you to use a specific layout, instead it relies on your
265window manager, thus enabling you to chose whatever layout that suits you
266most.
267
268=item * i18n'ed filename handling throughout
269
270As long as glib can recognize your filename encoding (either UTF-8 or
271locale-specific, depending on the setting of G_BROKEN_FILENAMES) and you
272have the relevant fonts, CV will display your filenames correctly.
273
274=item * extensible through plug-ins
275
276I have weird plug-ins that access remote databases to find a
277directory. This is not likely to be of any use to other people. Likewise,
278others might have weird requirements I cannot dream of.
279
280=item * filename clustering
281
282Among the standard plug-ins is a filename clustering plug-in, that (in
283case of tens of thousands images in one directory) might be able to
284cluster similar names together.
285
286=back
287
288=head1 DESCRIPTION
289
290=head2 THE IMAGE WINDOW
291
292You can use the following keys in the image window:
293
294 q quit the program
295 < half the image size
296 > double the image size
297 , shrink the image by 10%
298 . enlarge the image by 10%
299 n reset to normal size
300 m maximize to screensize
301 M maximize to screensize, respecting image aspect
302 ctrl-m toggle maxpect-always mode
303 ctrl-sift-m toggle using current image size as max image size
304 u uncrop
305 r set scaling mode to 'nearest' (fastest)
306 s set scaling mode to 'bilinear' (default)
307 shift-s set scaling mode to 'hyper' (slowest)
308 t rotate clockwise 90°
309 T rotate counterclockwise°
310 a apply all rotations loslessly to a jpeg file (using exiftran)
311 ctrl-v open a new visual schnauzer window for the current dir
312 ctrl-c clone the current image window
313 ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image
314 ctrl-p fire up the print dialog
315 escape cancel a crop action
316
317And when playing movies, these additional keys are active:
318
319 left rewind by 10 seconds
320 right forward by 10 seconds
321 down rewind by 60 seconds
322 up forward by 60 seconds
323 pg_up rewind by 600 seconds
324 pg_down forward by 600 seconds
325 o toggle on-screen display
326 p pause/unpause
327 escape stop playing
328 9 turn volume down
329 0 turn volume up
330
331Any other keys will be sent to the default schnauzer window, which can be
332toggled on and off by right-clicking into the image window.
333
334Left-clicking into the image window will let you crop the image (usually
335to zoom into large images that CV scales down).
336
337=head2 THE VISUAL SCHNAUZER
338
339Any image-loading action in a schnauzer window acts on the
340"last-recently-activated" imagewindow, which currently is simply the last
341image window that received a keypress.
342
343You can use the following keys in the schnauzer window:
344
345 ctrl-space,
346 space move to and display next image
347 ctrl-backspace,
348 backspace move to and display previous image
349 ctrl-return,
350 return display selected picture, or enter directory
351
352 cursor keys move selection
353 page-up move one page up
354 page-down move one page down
355 home move to first file
356 end move to last file
357
358 ctrl-a select all files
359 ctrl-shift-a select all files currently displayed in the schnauzer window
360 ctrl-d delete selected files WITHOUT ASKING AGAIN
361 ctrl-g force generation of thumbnais for the selected files
362 ctrl-s rescan current direcory or files updates/deletes etc.
363 ctrl-u update selected (or all) icons if neccessary
364 ctrl-l don't use, will become a plug-in eventually
365
366 ^ go to parent directory (caret).
367
368 0-9,
369 a-z find the first filename beginning with this letter
370
371Right-clicking into the schnauzer window displays a pop-up menu with
372additional actions.
373
374=head3 SELECTION
375
376You can select entries in the Schnauzer in a variety of ways:
377
378=over 4
379
380=item Keyboard
381
382Moving the cursor with the keyboard will first deselect all files and then
383select the file you moved to.
384
385=item Clicking
386
387Clicking on an entry will select the one you clicked and deselect all
388others.
389
390=item Shift-Clicking
391
392Shift-clicking will toggle the selection on the entry under the mouse.
393
394=item Dragging
395
396Dragging will select all entries between the one selected when pushing the
397button and the one selected when releasing the button. If you move above
398or below the schnauzer area while drag-selecting, the schnauzer will move
399up/down one row twice per second. In addition, horizontal mouse movement
400acts as a kind of invisible horizontal scrollbar.
401
402=item Hint: double-click works while click-selecting
403
404You can double-click any image while click-selecting to display it
405without stopping the selection process. This will act as if you normally
406double-clicked the image to display it, and will toggle the selection
407twice, resulting in no change.
408
409=back
410
411=head1 FILES
412
413When starting, CV runs the F<.cvrc> file in your F<$HOME> directory as if
414it were a perl script. in that, you will mostly load plug-ins.
415
416Example:
417
418 system "fping -q -t 10 ether"
419 or require "/fs/cv/cvplugin.pl";
420
421This will load a plug-in, but only if the machine I<ether> is reachable
422(supposedly the plug-in is networked in some way :).
423
424=head1 ENVIRONMENT
425
426=over 4
427
428=item CV_EDITOR
429
430The program that gets executed when the user presses C<CTRL-e> in the
431Schnauzer or image window. The default is C<gimp>.
432
433=item CV_AUDIO_PLAYER
434
435Program used to play all sorts of audio (wav, aif, mp3, ogg...), default "play".
436Will be called like C<< $CV_AUDIO_PLAYER -- <path> >>.
437
438=item CV_PRINT_DESTINATION
439
440The default (perl-style) destination to use in the print dialog.
441
442=item CV_TRASHCAN
443
444When set, must point to a directory where all files that are deleted are
445moved to. If unset, files that are deleted are really being deleted.
446
447=back
448
449=head1 SECURITY CONSIDERATIONS
450
451CV uses Pixbuf to load non-JPEG images. Pixbuf is not considered safe for
452this purpose, though (from the gtk-2.2 release notes):
453
454"While efforts have been made to make gdk-pixbuf robust against invalid
455images, using gdk-pixbuf to load untrusted data is not recommended, due to
456the likelyhood that there are additional problems where an invalid image
457could cause gdk-pixbuf to crash or worse."
458
459=head1 BUGS/TODO
460
461 Lots of functionality is missing.
462
463 Pixbuf doesn't always honor G_BROKEN_FILENAMES, so accessing files with
464 names incompatible with utf-8 might fail.
465
466 rotate on disk
467 lots of ui issues
468 save(?)
469 preferences
470
471=head1 AUTHOR
472
473Marc Lehmann <cv@plan9.de>.
474
475=cut
476

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