| 1 | #!/opt/bin/perl |
1 | #!/opt/bin/perl |
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2 | |
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3 | =head1 NAME |
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4 | |
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5 | cv - a fast gtk+ image viewer modeled after xv |
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6 | |
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7 | =head1 SYNOPSIS |
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8 | |
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9 | cv [file...] |
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10 | |
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11 | =head1 DESCRIPTION |
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12 | |
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13 | None yet. |
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14 | |
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15 | =head2 THE IMAGE WINDOW |
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16 | |
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17 | You can use the following keys in the image window: |
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18 | |
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19 | q quit the program |
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20 | < half the image size |
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21 | > double the image size |
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22 | , shrink the image by 10% |
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23 | . enlarge the image by 10% |
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24 | n reset to normal size |
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25 | m maximize to screensize |
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26 | M maxime to screensize, respecting image aspect |
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27 | u uncrop |
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28 | r set scaling mode to 'nearest' (fastest) |
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29 | s set scaling mode to 'bilinear' (default) |
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30 | S set scaling mode to 'hyper' (slowest) |
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31 | t rotate clockwise 90° |
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32 | T rotate counterclockwise° |
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33 | ctrl-v open a new visual schnauzer window for the current dir |
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34 | |
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35 | The following keys are redirected to the default visual schnauzer window: |
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36 | |
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37 | space next image |
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38 | backspace last image |
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39 | |
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40 | =head2 THE VISUAL SCHNAUZER |
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41 | |
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42 | You can use the following keys in the schnauzer window: |
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43 | |
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44 | space move to and display next image |
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45 | backspace move to and display previous image |
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46 | return display selected picture |
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47 | |
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48 | cursor keys move selection |
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49 | page-up move one page up |
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50 | page-down move one page down |
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51 | home move to first file |
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52 | end move to last file |
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53 | |
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54 | ctrl-g generate icons for the selected files |
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55 | ctrl-d delete selected files WITHOUT ASKING AGAIN |
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56 | |
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57 | =head1 BUGS/TODO |
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58 | |
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59 | rotate on disk |
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60 | print |
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61 | lots of ui issues |
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62 | save(?) |
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63 | preferences |
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64 | |
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65 | =head1 AUTHOR |
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66 | |
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67 | Marc Lehmann <cv@plan9.de>. |
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68 | |
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69 | =cut |
| 2 | |
70 | |
| 3 | use Gtk2 -init; |
71 | use Gtk2 -init; |
| 4 | use Gtk2::Gdk::Keysyms; |
72 | use Gtk2::Gdk::Keysyms; |
| 5 | |
73 | |
| 6 | use Gtk2::CV::ImageWindow; |
74 | use Gtk2::CV::ImageWindow; |
| 7 | use Gtk2::CV::Schnauzer; |
75 | use Gtk2::CV::Schnauzer; |
| 8 | |
76 | |
| 9 | my $viewer; |
77 | my $viewer; |
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78 | my $schnauzer; |
| 10 | |
79 | |
| 11 | sub new_schnauzer { |
80 | sub new_schnauzer { |
| 12 | my $w = new Gtk2::Window; |
81 | my $w = new Gtk2::Window; |
| 13 | $w->add (my $s = new Gtk2::CV::Schnauzer); |
82 | $w->add (my $s = new Gtk2::CV::Schnauzer); |
| 14 | |
83 | |
| 15 | $s->signal_connect (activate => sub { $viewer->load_image ($_[1]) }); |
84 | $s->signal_connect (activate => sub { $viewer->load_image ($_[1]) }); |
| 16 | $s->signal_connect (key_press_event => \&std_keys); |
85 | $s->signal_connect_after (key_press_event => \&std_keys); |
| 17 | |
86 | |
| 18 | $s->set_dir ("."); |
87 | $s->set_dir ("."); |
| 19 | $w->show_all; |
88 | $w->show_all; |
| 20 | |
89 | |
| 21 | $s; |
90 | $s; |
| 22 | } |
91 | } |
| 23 | |
92 | |
| 24 | sub std_keys { |
93 | sub std_keys { |
| 25 | my $key = $_[1]->keyval; |
94 | my $key = $_[1]->keyval; |
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95 | my $state = $_[1]->state; |
| 26 | |
96 | |
| 27 | my $ctrl = grep $_ eq "control-mask", @{$_[1]->state}; |
97 | my $ctrl = grep $_ eq "control-mask", @$state; |
| 28 | |
98 | |
| 29 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
99 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
| 30 | main_quit Gtk2; |
100 | main_quit Gtk2; |
| 31 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
101 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
| 32 | new_schnauzer; |
102 | new_schnauzer; |
| 33 | } else { |
103 | } else { |
| 34 | return 0; |
104 | $schnauzer->handle_key ($key, $state); |
| 35 | } |
105 | } |
| 36 | |
106 | |
| 37 | 1; |
107 | 1; |
| 38 | } |
108 | } |
| 39 | |
109 | |
| 40 | $viewer = new Gtk2::CV::ImageWindow; |
110 | $viewer = new Gtk2::CV::ImageWindow; |
| 41 | $viewer->signal_connect (key_press_event => \&std_keys); |
111 | $viewer->signal_connect (key_press_event => \&std_keys); |
| 42 | $viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
112 | $viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
| 43 | |
113 | |
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114 | $schnauzer = new_schnauzer; |
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115 | |
| 44 | if (@ARGV) { |
116 | if (@ARGV) { |
| 45 | $viewer->load_image ($ARGV[0]); |
117 | $viewer->load_image ($ARGV[0]); |
| 46 | |
118 | |
| 47 | if (@ARGV > 1) { |
119 | if (@ARGV > 1) { |
| 48 | new_schnauzer->set_files (\@ARGV); |
120 | $schnauzer->set_paths (\@ARGV); |
| 49 | } |
121 | } |
| 50 | } |
122 | } |
| 51 | |
123 | |
| 52 | $viewer->show_all; |
124 | $viewer->show_all; |
| 53 | |
125 | |
