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Comparing CV/bin/cv (file contents):
Revision 1.51 by root, Sun Aug 14 02:25:44 2005 UTC vs.
Revision 1.54 by root, Fri Aug 19 00:19:52 2005 UTC

… …
43 $viewer->load_image ($_[1]); 43 $viewer->load_image ($_[1]);
44 }); 44 });
45 45
46 Gtk2::CV::Plugin->call (new_schnauzer => $s); 46 Gtk2::CV::Plugin->call (new_schnauzer => $s);
47 47
48 $s; 48 $s
49} 49}
50 50
51sub std_keys { 51sub std_keys {
52 my $key = $_[1]->keyval; 52 my $key = $_[1]->keyval;
53 my $state = $_[1]->state; 53 my $state = $_[1]->state;
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102 102
103 $viewer->signal_connect (button3_press_event => sub { 103 $viewer->signal_connect (button3_press_event => sub {
104 $mainwin->visible 104 $mainwin->visible
105 ? $mainwin->hide 105 ? $mainwin->hide
106 : $mainwin->show_all; 106 : $mainwin->show_all;
107 1; 107 1
108 }); 108 });
109 109
110 Gtk2::CV::Plugin->call (new_imagewindow => $viewer); 110 Gtk2::CV::Plugin->call (new_imagewindow => $viewer);
111 111
112 $schnauzer = new_schnauzer; 112 $schnauzer = new_schnauzer;
113 113
114 $mainwin = new Gtk2::Window; 114 $mainwin = new Gtk2::Window;
115 $mainwin->set_title ("CV"); 115 $mainwin->set_title ("CV");
116 $mainwin->add (my $vbox = new Gtk2::VBox); 116 $mainwin->add (my $vbox = new Gtk2::VBox);
117 $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1; }); 117 $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1 });
118 118
119 $vbox->add ($schnauzer); 119 $vbox->add ($schnauzer);
120 $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0); 120 $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0);
121 $frame->add (my $hbox = new Gtk2::HBox 0, 0); 121 $frame->add (my $hbox = new Gtk2::HBox 0, 0);
122 $hbox->pack_start ((new Gtk2::Label "Info: "), 0, 0, 0); 122 $hbox->pack_start ((new Gtk2::Label "Info: "), 0, 0, 0);
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127 127
128 $schnauzer->set_geometry_hints; 128 $schnauzer->set_geometry_hints;
129} 129}
130 130
131if (@ARGV) { 131if (@ARGV) {
132 @ARGV == 1 && -d $ARGV[0]
133 ? $schnauzer->set_dir (Glib::filename_to_unicode shift)
132 $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]); 134 : $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]);
133 $schnauzer->show_all; 135 $schnauzer->show_all;
134 $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); 136 $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []);
135} else { 137} else {
136 $schnauzer->set_dir (File::Spec->curdir); 138 $schnauzer->set_dir (File::Spec->curdir);
137 $mainwin->show_all; 139 $mainwin->show_all;
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167 169
168This algorithm is quite unprecise - it doesn't make a difference between 170This algorithm is quite unprecise - it doesn't make a difference between
169files, device nodes, symlinks and the like, and filetype detection is done 171files, device nodes, symlinks and the like, and filetype detection is done
170using the file extension only. 172using the file extension only.
171 173
174=item * queuing for all time-consuming background tasks
175
176All tasks, such as unlinking files or generating thumbnails, that can be
177done in the background will be done so - no waiting required, even when
178changing directories.
179
172=item * use of asynchronous I/O 180=item * use of asynchronous I/O
173 181
174CV tries to use asynchronous I/O whereever it makes sense, for example 182CV tries to use asynchronous I/O whereever it makes sense, for example
175while scanning directories, waiting for stat data or unlinking files. This 183while scanning directories, waiting for stat data, unlinking files or
176usually decreases scanning times for large directories a bit (especially 184generating thumbnails. This usually decreases scanning times for large
177on RAID devices and over NFS). 185directories a bit (especially on RAID devices and over NFS) and makes CV
186much more interactive.
178 187
179=item * fast image loading 188=item * fast image loading
180 189
181The time span between the user issuing a command and displaying the new 190The time span between the user issuing a command and displaying the new
182image should be as small as possible. CV uses optimized (especially 191image should be as small as possible. CV uses optimized (especially
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332 341
333=back 342=back
334 343
335=head1 SECURITY CONSIDERATIONS 344=head1 SECURITY CONSIDERATIONS
336 345
337CV uses Pixbuf to load images. Pixbuf is not considered safe for this 346CV uses Pixbuf to load non-JPEG images. Pixbuf is not considered safe for
338purpose, though (from the gtk-2.2 release notes): 347this purpose, though (from the gtk-2.2 release notes):
339 348
340"While efforts have been made to make gdk-pixbuf robust against invalid 349"While efforts have been made to make gdk-pixbuf robust against invalid
341images, using gdk-pixbuf to load untrusted data is not recommended, due to 350images, using gdk-pixbuf to load untrusted data is not recommended, due to
342the likelyhood that there are additional problems where an invalid image 351the likelyhood that there are additional problems where an invalid image
343could cause gdk-pixbuf to crash or worse." 352could cause gdk-pixbuf to crash or worse."
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345=head1 BUGS/TODO 354=head1 BUGS/TODO
346 355
347 Lots of functionality is missing. 356 Lots of functionality is missing.
348 357
349 Pixbuf doesn't always honor G_BROKEN_FILENAMES, so accessing files with 358 Pixbuf doesn't always honor G_BROKEN_FILENAMES, so accessing files with
350 names incompatible might utf-8 fail. 359 names incompatible with utf-8 might fail.
351 360
352 rotate on disk 361 rotate on disk
353 lots of ui issues 362 lots of ui issues
354 save(?) 363 save(?)
355 preferences 364 preferences
356 shift-cursor in schnauzer
357 365
358=head1 AUTHOR 366=head1 AUTHOR
359 367
360Marc Lehmann <cv@plan9.de>. 368Marc Lehmann <cv@plan9.de>.
361 369

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