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#!/opt/bin/perl |
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use Gtk2 -init; |
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use Gtk2::Gdk::Keysyms; |
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use Gtk2::CV::ImageWindow; |
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use Gtk2::CV::Schnauzer; |
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use Gtk2::CV; |
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Gtk2::Rc->parse (Gtk2::CV::find_rcfile "gtkrc"); |
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use File::Spec; |
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my $mainwin; |
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my $viewer; |
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my $schnauzer; |
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my $info; |
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my $help; |
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my $schnauzer_idx = 0; |
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sub new_schnauzer { |
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my $s = new Gtk2::CV::Schnauzer; |
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$s->signal_connect_after (key_press_event => \&std_keys); |
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$s->signal_connect (activate => sub { |
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my $label = sprintf "%s (%d)", |
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(File::Spec->splitpath ($_[1]))[2], |
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-s $_[1]; |
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$info->set_label ($label); |
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$viewer->load_image ($_[1]); |
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}); |
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$s; |
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} |
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sub std_keys { |
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my $key = $_[1]->keyval; |
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my $state = $_[1]->state; |
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my $ctrl = $state * "control-mask"; |
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if ($key == $Gtk2::Gdk::Keysyms{q}) { |
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main_quit Gtk2; |
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} elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
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my $w = new Gtk2::Window; |
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$w->set_title ("CV: Schnauzer"); |
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$w->add (my $s = new_schnauzer); |
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$s->set_dir (File::Spec->curdir); |
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$s->set_geometry_hints; |
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$w->show_all; |
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} elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{h}) { |
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unless ($help) { |
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require Gtk2::PodViewer; |
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$help = new Gtk2::Window; |
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$help->set_title ("CV: Help"); |
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$help->set_default_size (500, 300); |
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$help->signal_connect (delete_event => sub { $help->hide; 1 }); |
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$help->add (my $sw = new Gtk2::ScrolledWindow); |
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$sw->add (my $h = new Gtk2::PodViewer); |
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#binmode DATA, ":utf8"; |
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$h->load_string (do { local $/; <DATA> }); |
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} |
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$help->show_all; |
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} else { |
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#$mainwin->show_all; |
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$schnauzer->handle_key ($key, $state); |
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} |
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1; |
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} |
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{ |
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$viewer = new Gtk2::CV::ImageWindow; |
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$viewer->set_title ("CV: Image"); |
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$viewer->signal_connect (key_press_event => \&std_keys); |
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$viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
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$viewer->signal_connect (button3_press_event => sub { |
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$mainwin->visible |
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? $mainwin->hide |
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: $mainwin->show_all; |
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1; |
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}); |
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$schnauzer = new_schnauzer; |
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$mainwin = new Gtk2::Window; |
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$mainwin->set_title ("CV"); |
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$mainwin->add (my $vbox = new Gtk2::VBox); |
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$mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1; }); |
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$vbox->add ($schnauzer); |
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$vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0); |
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$frame->add (my $hbox = new Gtk2::HBox 0, 0); |
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$hbox->pack_start ((new Gtk2::Label "Info"), 0, 0, 0); |
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$hbox->pack_start (($info = new Gtk2::Label), 1, 1, 0); |
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$schnauzer->set_geometry_hints; |
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} |
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if (@ARGV) { |
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$_ = Glib::filename_to_unicode $_ for @ARGV; |
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$schnauzer->set_paths (\@ARGV); |
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$schnauzer->show_all; |
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$schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); |
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} else { |
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$schnauzer->set_dir (File::Spec->curdir); |
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$mainwin->show_all; |
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$viewer->show_all; |
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} |
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$viewer->show_all; |
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main Gtk2; |
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__DATA__ |
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=head1 NAME |
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cv - a fast gtk+ image viewer modeled after xv |
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=head1 SYNOPSIS |
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cv [file...] |
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=head1 DESCRIPTION |
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None yet. |
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=head2 THE IMAGE WINDOW |
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You can use the following keys in the image window: |
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q quit the program |
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< half the image size |
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> double the image size |
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, shrink the image by 10% |
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. enlarge the image by 10% |
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n reset to normal size |
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m maximize to screensize |
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M maxime to screensize, respecting image aspect |
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ctrl-m toggle maxpect-always mode |
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u uncrop |
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r set scaling mode to 'nearest' (fastest) |
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s set scaling mode to 'bilinear' (default) |
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S set scaling mode to 'hyper' (slowest) |
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t rotate clockwise 90° |
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T rotate counterclockwise° |
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ctrl-v open a new visual schnauzer window for the current dir |
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ctrl-s rescan visual schnauzer files for updates/deletes etc. |
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ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image. |
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And when playing movies, these additional keys are active: |
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left rewind by 10 seconds |
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right forward by 10 seconds |
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down rewind by 60 seconds |
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up forward by 60 seconds |
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pg_up rewind by 600 seconds |
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pg_down forward by 600 seconds |
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o toggle on-screen display |
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p pause/unpause |
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escape stop playing |
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9 turn volume down |
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0 turn volume up |
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The following keys are redirected to the default visual schnauzer window: |
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space next image |
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backspace last image |
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=head2 THE VISUAL SCHNAUZER |
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You can use the following keys in the schnauzer window: |
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space move to and display next image |
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backspace move to and display previous image |
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return display selected picture |
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cursor keys move selection |
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page-up move one page up |
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page-down move one page down |
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home move to first file |
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end move to last file |
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ctrl-d delete selected files WITHOUT ASKING AGAIN |
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ctrl-g generate icons for the selected files |
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ctrl-u update selected (or all) icons if neccessary |
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ctrl-a select all files |
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=head1 ENVIRONMENT |
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=over 4 |
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=item CV_PRINT_DESTINATION |
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The default (perl-style) destination to use in the print dialog. |
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=back |
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=head1 SECURITY CONSIDERATIONS |
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CV uses Pixbuf to load images. Pixbuf is not considered safe for this |
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purpose, though (from the gtk-2.2 release notes): |
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"While efforts have been made to make gdk-pixbuf robust against invalid |
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images, using gdk-pixbuf to load untrusted data is not recommended, due to |
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the likelyhood that there are additional problems where an invalid image |
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could cause gdk-pixbuf to crash or worse." |
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=head1 BUGS/TODO |
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Pixbuf doesn't honor G_BROKEN_FILENAMES, so accessing files with names |
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incompatible with utf-8 fails. |
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rotate on disk |
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print |
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lots of ui issues |
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save(?) |
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preferences |
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ctrl-u in schnauzer |
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shift-cursor in schnauzer |
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=head1 AUTHOR |
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Marc Lehmann <cv@plan9.de>. |
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=cut |
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