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Comparing CV/bin/cv (file contents):
Revision 1.44 by root, Fri Jul 15 03:25:57 2005 UTC vs.
Revision 1.49 by root, Sun Jul 31 07:01:31 2005 UTC

… …
4use Encode (); 4use Encode ();
5 5
6use Gtk2 -init; 6use Gtk2 -init;
7use Gtk2::Gdk::Keysyms; 7use Gtk2::Gdk::Keysyms;
8 8
9use Gtk2::CV;
10
9use Gtk2::CV::ImageWindow; 11use Gtk2::CV::ImageWindow;
10use Gtk2::CV::Schnauzer; 12use Gtk2::CV::Schnauzer;
11 13
12use Gtk2::CV; 14BEGIN {
15 require Gtk2::CV::Plugin;
16 require "$ENV{HOME}/.cvrc" if -r "$ENV{HOME}/.cvrc";
17}
18
19use Gtk2::CV::Plugin::NameCluster;
20use Gtk2::CV::Plugin::RCluster;
13 21
14Gtk2::Rc->parse (Gtk2::CV::find_rcfile "gtkrc"); 22Gtk2::Rc->parse (Gtk2::CV::find_rcfile "gtkrc");
15 23
16use File::Spec; 24use File::Spec;
17
18require Gtk2::CV::Plugin;
19require "$ENV{HOME}/.cvrc" if -r "$ENV{HOME}/.cvrc";
20 25
21my $mainwin; 26my $mainwin;
22my $viewer; 27my $viewer;
23my $schnauzer; 28my $schnauzer;
24my $info; 29my $info;
… …
112 $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1; }); 117 $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1; });
113 118
114 $vbox->add ($schnauzer); 119 $vbox->add ($schnauzer);
115 $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0); 120 $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0);
116 $frame->add (my $hbox = new Gtk2::HBox 0, 0); 121 $frame->add (my $hbox = new Gtk2::HBox 0, 0);
117 $hbox->pack_start ((new Gtk2::Label "Info"), 0, 0, 0); 122 $hbox->pack_start ((new Gtk2::Label "Info: "), 0, 0, 0);
118 $hbox->pack_start (($info = new Gtk2::Label), 1, 1, 0); 123 $hbox->pack_end (my $labelwindow = new Gtk2::EventBox, 1, 1, 0);
119 $info->set (wrap => 1); 124 $labelwindow->add ($info = new Gtk2::Label);
125 $labelwindow->signal_connect_after (size_request => sub { $_[1]->width (0); 0 });
126 $info->set (selectable => 1, xalign => 0, justify => "left");
120 127
121 $schnauzer->set_geometry_hints; 128 $schnauzer->set_geometry_hints;
122} 129}
123 130
124if (@ARGV) { 131if (@ARGV) {
125 $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]); 132 $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]);
126 $schnauzer->show_all; 133 $schnauzer->show_all;
127 $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); 134 $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []);
135 $viewer->show_all;
128} else { 136} else {
129 $schnauzer->set_dir (File::Spec->curdir); 137 $schnauzer->set_dir (File::Spec->curdir);
130 $mainwin->show_all; 138 $mainwin->show_all;
131 $viewer->show_all; 139 $viewer->show_all;
132} 140}
… …
137 145
138__DATA__ 146__DATA__
139 147
140=head1 NAME 148=head1 NAME
141 149
142cv - a fast gtk+ image viewer modeled after xv 150cv - a fast gtk+ image viewer loosely modeled after XV
143 151
144=head1 SYNOPSIS 152=head1 SYNOPSIS
145 153
146 cv [file...] 154 cv [file...]
147 155
156=head1 FEATURES
157
158CV is supposed to work similar to the venerable XV image viewer, just
159faster. Why faster?
160
161=over 4
162
163=item * optimized directory scanning algorithm
164
165The directory scanning in CV plays some tricks that - on most modern
166filesystems - makes it possible to detect filetypes faster than stat()'ing
167every file. This makes CV suitable for directories with lots of files
168(10000+).
169
170This algorithm is quite unprecise - it doesn't make a difference between
171files, device nodes, symlinks and the like, and filetype detection is done
172using the file extension only.
173
174=item * use of asynchronous I/O
175
176CV tries to use asynchronous I/O whereever it makes sense, for example
177while scanning directories, waiting for stat data or unlinking files. This
178usually decreases scanning times for large directories a bit (especially
179on RAID devices and over NFS).
180
181=item * fast image loading
182
183The time span between the user issuing a command and displaying the new
184image should be as small as possible. CV uses optimized (especially
185for JPEG) loading functions and sacrifices some quality (e.g no gamma
186correction) to achieve this speed.
187
188=item * fast thumbnail creation
189
190Thumbnail creation is crucial for me, so it's better be fast. Thumbnail
191creation for JPEGs has been specially optimized.
192
193=item * minimum optical clutter
194
195CV has no menus or other user interface elements that take up a lot of
196screen space. The schnauzer windows can also be somewhat crowded.
197
198The point of an image viewer is viewing images, not a nice GUI. This is
199similar to XV's behaviour.
200
201=item * efficient (and hard to learn) user interface
202
203CV uses key combinations. A lot. If you are an experienced XV user, you
204will find most of these keys familiar. If not, CV might be hard to use at
205first, but will be an efficient tool later.
206
207=item * i18n'ed filename handling throughout
208
209As long as glib can recognize your filename encoding (either UTF-8 or
210locale-specific, depending on your settings) and you have the relevant
211fonts, CV will display your filenames correctly.
212
213=item * extensible through plug-ins
214
215I have weird plug-ins that access remote databases to find a
216directory. This is not likely to be of any use to other people. Likewise,
217others might have weird requirements I cannot dream of.
218
219=item * filename clustering
220
221Among the standard plug-ins is a filename clustering plug-in, that (in
222case of tens of thousands images in one directory) might be able to
223cluster similar names together.
224
225=back
226
148=head1 DESCRIPTION 227=head1 DESCRIPTION
149
150None yet.
151 228
152=head2 THE IMAGE WINDOW 229=head2 THE IMAGE WINDOW
153 230
154You can use the following keys in the image window: 231You can use the following keys in the image window:
155 232
… …
158 > double the image size 235 > double the image size
159 , shrink the image by 10% 236 , shrink the image by 10%
160 . enlarge the image by 10% 237 . enlarge the image by 10%
161 n reset to normal size 238 n reset to normal size
162 m maximize to screensize 239 m maximize to screensize
163 M maxime to screensize, respecting image aspect 240 M maximize to screensize, respecting image aspect
164 ctrl-m toggle maxpect-always mode 241 ctrl-m toggle maxpect-always mode
165 u uncrop 242 u uncrop
166 r set scaling mode to 'nearest' (fastest) 243 r set scaling mode to 'nearest' (fastest)
167 s set scaling mode to 'bilinear' (default) 244 s set scaling mode to 'bilinear' (default)
168 S set scaling mode to 'hyper' (slowest) 245 shift-s set scaling mode to 'hyper' (slowest)
169 t rotate clockwise 90° 246 t rotate clockwise 90°
170 T rotate counterclockwise° 247 T rotate counterclockwise°
171 ctrl-v open a new visual schnauzer window for the current dir 248 ctrl-v open a new visual schnauzer window for the current dir
172 ctrl-s rescan visual schnauzer files for updates/deletes etc.
173 ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image. 249 ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image
250 ctrl-p fire up the print fialog
251 escape cancel a crop action
174 252
175And when playing movies, these additional keys are active: 253And when playing movies, these additional keys are active:
176 254
177 left rewind by 10 seconds 255 left rewind by 10 seconds
178 right forward by 10 seconds 256 right forward by 10 seconds
… …
184 p pause/unpause 262 p pause/unpause
185 escape stop playing 263 escape stop playing
186 9 turn volume down 264 9 turn volume down
187 0 turn volume up 265 0 turn volume up
188 266
189The following keys are redirected to the default visual schnauzer window: 267Any other keys will be sent to the default schnauzer window, which can be
268toggled on and off by right-clicking into the image window.
190 269
191 space next image 270Left-clicking into the image window will let you crop the image (usually
192 backspace last image 271to zoom into large images that CV scales down).
193 272
194=head2 THE VISUAL SCHNAUZER 273=head2 THE VISUAL SCHNAUZER
195 274
196You can use the following keys in the schnauzer window: 275You can use the following keys in the schnauzer window:
197 276
277 ctrl-space,
198 space move to and display next image 278 space move to and display next image
279 ctrl-backspace,
199 backspace move to and display previous image 280 backspace move to and display previous image
281 ctrl-return,
200 return display selected picture 282 return display selected picture, or enter directory
201 283
202 cursor keys move selection 284 cursor keys move selection
203 page-up move one page up 285 page-up move one page up
204 page-down move one page down 286 page-down move one page down
205 home move to first file 287 home move to first file
206 end move to last file 288 end move to last file
207 289
290 ctrl-a select all files
208 ctrl-d delete selected files WITHOUT ASKING AGAIN 291 ctrl-d delete selected files WITHOUT ASKING AGAIN
209 ctrl-g generate icons for the selected files 292 ctrl-g force generation of thumbnais for the selected files
293 ctrl-s rescan current direcory or files updates/deletes etc.
210 ctrl-u update selected (or all) icons if neccessary 294 ctrl-u update selected (or all) icons if neccessary
211 ctrl-a select all files 295 ctrl-l don't use, will become a plug-in eventually
296
297 0-9,
298 a-z find the first filename beginning with this letter
299
300Right-clicking into the schnauzer window displays a pop-up menu with
301additional actions.
302
303=head1 FILES
304
305When starting, CV runs the F<.cvrc> file in your F<$HOME> directory as if
306it were a perl script. in that, you will mostly load plug-ins.
307
308Example:
309
310 system "fping -q -t 10 ether"
311 or require "/fs/cv/cvplugin.pl";
312
313This will load a plug-in, but only if the machine I<ether> is reachable
314(supposedly the plug-in is networked in some way :).
212 315
213=head1 ENVIRONMENT 316=head1 ENVIRONMENT
214 317
215=over 4 318=over 4
216 319
… …
240the likelyhood that there are additional problems where an invalid image 343the likelyhood that there are additional problems where an invalid image
241could cause gdk-pixbuf to crash or worse." 344could cause gdk-pixbuf to crash or worse."
242 345
243=head1 BUGS/TODO 346=head1 BUGS/TODO
244 347
348 Lots of functionality is missing.
349
245 Pixbuf doesn't honor G_BROKEN_FILENAMES, so accessing files with names 350 Pixbuf doesn't always honor G_BROKEN_FILENAMES, so accessing files with
246 incompatible with utf-8 fails. 351 names incompatible might utf-8 fail.
247 352
248 rotate on disk 353 rotate on disk
249 print
250 lots of ui issues 354 lots of ui issues
251 save(?) 355 save(?)
252 preferences 356 preferences
253 ctrl-u in schnauzer
254 shift-cursor in schnauzer 357 shift-cursor in schnauzer
255 358
256=head1 AUTHOR 359=head1 AUTHOR
257 360
258Marc Lehmann <cv@plan9.de>. 361Marc Lehmann <cv@plan9.de>.

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