| 1 | #!/opt/bin/perl |
1 | #!/opt/bin/perl |
| 2 | |
2 | |
| 3 | use Cwd (); |
3 | use Cwd (); |
| 4 | use Encode (); |
4 | use Encode (); |
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|
5 | use File::Glob (); |
| 5 | |
6 | |
| 6 | use Gtk2 -init; |
7 | use Gtk2 -init; |
| 7 | use Gtk2::Gdk::Keysyms; |
8 | use Gtk2::Gdk::Keysyms; |
| 8 | |
9 | |
| 9 | use Gtk2::CV; |
10 | use Gtk2::CV; |
| … | |
… | |
| 23 | |
24 | |
| 24 | use File::Spec; |
25 | use File::Spec; |
| 25 | |
26 | |
| 26 | my $mainwin; |
27 | my $mainwin; |
| 27 | my $viewer; |
28 | my $viewer; |
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29 | my $viewer_count; |
| 28 | my $schnauzer; |
30 | my $schnauzer; |
| 29 | my $info; |
31 | my $info; |
| 30 | my $help; |
32 | my $help; |
| 31 | |
33 | |
| 32 | my $schnauzer_idx = 0; |
34 | my $schnauzer_idx = 0; |
| … | |
… | |
| 38 | $s->signal_connect (activate => sub { |
40 | $s->signal_connect (activate => sub { |
| 39 | my $label = sprintf "%s (%d)", |
41 | my $label = sprintf "%s (%d)", |
| 40 | (File::Spec->splitpath ($_[1]))[2], |
42 | (File::Spec->splitpath ($_[1]))[2], |
| 41 | -s $_[1]; |
43 | -s $_[1]; |
| 42 | $info->set_label ($label); |
44 | $info->set_label ($label); |
| 43 | $viewer->load_image ($_[1]); |
45 | $viewer->load_image ($_[1]) if $viewer; # TODO: error, or chose ANY viewer |
| 44 | }); |
46 | }); |
| 45 | |
47 | |
| 46 | Gtk2::CV::Plugin->call (new_schnauzer => $s); |
48 | Gtk2::CV::Plugin->call (new_schnauzer => $s); |
| 47 | |
49 | |
| 48 | $s |
50 | $s |
|
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51 | } |
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52 | |
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53 | sub new_viewer { |
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54 | my $self = new Gtk2::CV::ImageWindow; |
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55 | |
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56 | $viewer_count++; |
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57 | |
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58 | $self->set_title ("CV: Image"); |
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59 | |
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60 | $self->signal_connect (key_press_event => sub { |
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61 | $viewer = $_[0]; |
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62 | |
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63 | my $key = $_[1]->keyval; |
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64 | my $state = $_[1]->state; |
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65 | |
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66 | if ($state * "control-mask" && $key == $Gtk2::Gdk::Keysyms{c}) { |
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67 | my $viewer = new_viewer (); |
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68 | $viewer->set_image ($_[0]->{image}); |
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69 | $viewer->show_all; |
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70 | 1 |
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71 | } else { |
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72 | &std_keys |
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73 | or $schnauzer->signal_emit (key_press_event => $_[1]) |
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74 | } |
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75 | }); |
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76 | $self->signal_connect (delete_event => sub { $_[0]->destroy; 0 }); |
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77 | $self->signal_connect (destroy => sub { |
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78 | $viewer = undef if $viewer == $_[0]; |
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79 | |
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80 | main_quit Gtk2 unless --$viewer_count; |
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81 | |
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82 | 0 |
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83 | }); |
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84 | |
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85 | $self->signal_connect (button3_press_event => sub { |
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86 | $mainwin->visible |
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87 | ? $mainwin->hide |
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88 | : $mainwin->show_all; |
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89 | |
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90 | 1 |
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91 | }); |
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92 | |
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93 | Gtk2::CV::Plugin->call (new_imagewindow => $self); |
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94 | |
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95 | $self |
| 49 | } |
96 | } |
| 50 | |
97 | |
| 51 | sub std_keys { |
98 | sub std_keys { |
| 52 | my $key = $_[1]->keyval; |
99 | my $key = $_[1]->keyval; |
| 53 | my $state = $_[1]->state; |
100 | my $state = $_[1]->state; |
| 54 | |
101 | |
| 55 | my $ctrl = $state * "control-mask"; |
102 | my $ctrl = $state * "control-mask"; |
| 56 | |
103 | |
| 57 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
104 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
| 58 | main_quit Gtk2; |
105 | $viewer->destroy; |
| 59 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
106 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
| 60 | my $w = new Gtk2::Window; |
107 | my $w = new Gtk2::Window; |
| 61 | |
108 | |
|
|
109 | $w->set_role ("schnauzer"); |
| 62 | $w->set_title ("CV: Schnauzer"); |
110 | $w->set_title ("CV: Schnauzer"); |
| 63 | $w->add (my $s = new_schnauzer); |
111 | $w->add (my $s = new_schnauzer); |
| 64 | $s->set_dir (File::Spec->curdir); |
112 | $s->set_dir (File::Spec->curdir); |
| 65 | $s->set_geometry_hints; |
113 | $s->set_geometry_hints; |
| 66 | $w->show_all; |
114 | $w->show_all; |
| 67 | |
115 | |
| 68 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{h}) { |
116 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{h}) { |
| 69 | unless ($help) { |
117 | unless ($help) { |
| 70 | require Gtk2::PodViewer; |
118 | require Gtk2::Ex::PodViewer; |
| 71 | |
119 | |
| 72 | $help = new Gtk2::Window; |
120 | $help = new Gtk2::Window; |
|
|
121 | $help->set_role ("help"); |
| 73 | $help->set_title ("CV: Help"); |
122 | $help->set_title ("CV: Help"); |
| 74 | $help->set_default_size (500, 300); |
123 | $help->set_default_size (500, 300); |
| 75 | $help->signal_connect (delete_event => sub { $help->hide; 1 }); |
124 | $help->signal_connect (delete_event => sub { $help->hide; 1 }); |
| 76 | |
125 | |
| 77 | $help->add (my $sw = new Gtk2::ScrolledWindow); |
126 | $help->add (my $sw = new Gtk2::ScrolledWindow); |
| 78 | $sw->add (my $h = new Gtk2::PodViewer); |
127 | $sw->add (my $h = new Gtk2::Ex::PodViewer); |
| 79 | |
128 | |
| 80 | #binmode DATA, ":utf8"; |
129 | #binmode DATA, ":utf8"; |
| 81 | $h->load_string (do { local $/; <DATA> }); |
130 | $h->load_string (do { local $/; <DATA> }); |
| 82 | } |
131 | } |
| 83 | |
132 | |
| … | |
… | |
| 88 | |
137 | |
| 89 | 1 |
138 | 1 |
| 90 | } |
139 | } |
| 91 | |
140 | |
| 92 | { |
141 | { |
| 93 | $viewer = new Gtk2::CV::ImageWindow; |
142 | $viewer = new_viewer; |
| 94 | |
143 | $::cur_viewer = $viewer; |
| 95 | $viewer->set_title ("CV: Image"); |
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| 96 | |
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| 97 | $viewer->signal_connect (key_press_event => sub { |
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| 98 | &std_keys |
|
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| 99 | or $schnauzer->signal_emit (key_press_event => $_[1]) |
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| 100 | }); |
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| 101 | $viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
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| 102 | |
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| 103 | $viewer->signal_connect (button3_press_event => sub { |
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| 104 | $mainwin->visible |
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| 105 | ? $mainwin->hide |
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| 106 | : $mainwin->show_all; |
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| 107 | 1 |
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| 108 | }); |
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| 109 | |
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| 110 | Gtk2::CV::Plugin->call (new_imagewindow => $viewer); |
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| 111 | |
144 | |
| 112 | $schnauzer = new_schnauzer; |
145 | $schnauzer = new_schnauzer; |
| 113 | |
146 | |
| 114 | $mainwin = new Gtk2::Window; |
147 | $mainwin = new Gtk2::Window; |
|
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148 | $mainwin->set_role ("main"); |
| 115 | $mainwin->set_title ("CV"); |
149 | $mainwin->set_title ("CV"); |
| 116 | $mainwin->add (my $vbox = new Gtk2::VBox); |
150 | $mainwin->add (my $vbox = new Gtk2::VBox); |
| 117 | $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1 }); |
151 | $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1 }); |
| 118 | |
152 | |
| 119 | $vbox->add ($schnauzer); |
153 | $vbox->add ($schnauzer); |
| … | |
… | |
| 127 | |
161 | |
| 128 | $schnauzer->set_geometry_hints; |
162 | $schnauzer->set_geometry_hints; |
| 129 | } |
163 | } |
| 130 | |
164 | |
| 131 | if (@ARGV) { |
165 | if (@ARGV) { |
| 132 | @ARGV == 1 && -d $ARGV[0] |
166 | my $show_first = sub { |
| 133 | ? $schnauzer->set_dir (Glib::filename_to_unicode shift) |
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| 134 | : $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]); |
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| 135 | $schnauzer->show_all; |
167 | $schnauzer->show_all; |
| 136 | $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); |
168 | $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); |
|
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169 | $viewer->show_all; |
|
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170 | }; |
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171 | |
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172 | if (@ARGV == 1 && $ARGV[0] eq "-0r") { |
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173 | local $/; |
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174 | $schnauzer->set_paths ([map Glib::filename_to_unicode $_, split /\x00/, <STDIN>], 1, $show_first); |
|
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175 | } elsif (@ARGV == 1 && -d $ARGV[0]) { |
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176 | $schnauzer->set_dir (Glib::filename_to_unicode shift, $show_first); |
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177 | } else { |
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178 | if ($ARGV[0] eq "-g") { |
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179 | shift @ARGV; |
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180 | @ARGV = map +(File::Glob::bsd_glob $_, File::Glob::GLOB_BRACE | File::Glob::GLOB_QUOTE), @ARGV; |
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181 | } |
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182 | $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV], 1, $show_first); |
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183 | } |
| 137 | } else { |
184 | } else { |
| 138 | $schnauzer->set_dir (File::Spec->curdir); |
185 | $schnauzer->set_dir (File::Spec->curdir, sub { |
| 139 | $mainwin->show_all; |
186 | $mainwin->show_all; |
| 140 | } |
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| 141 | |
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| 142 | $viewer->show_all; |
187 | $viewer->show_all; |
|
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188 | }); |
|
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189 | } |
| 143 | |
190 | |
| 144 | main Gtk2; |
191 | main Gtk2; |
| 145 | |
192 | |
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193 | Gtk2::CV::flush_aio; |
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194 | |
| 146 | __DATA__ |
195 | __DATA__ |
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196 | |
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197 | =encoding utf-8 |
| 147 | |
198 | |
| 148 | =head1 NAME |
199 | =head1 NAME |
| 149 | |
200 | |
| 150 | cv - a fast gtk+ image viewer loosely modeled after XV |
201 | cv - a fast gtk+ image viewer loosely modeled after XV |
| 151 | |
202 | |
| … | |
… | |
| 160 | |
211 | |
| 161 | =over 4 |
212 | =over 4 |
| 162 | |
213 | |
| 163 | =item * optimized directory scanning algorithm |
214 | =item * optimized directory scanning algorithm |
| 164 | |
215 | |
| 165 | The directory scanning in CV plays some tricks that - on most modern |
216 | The directory scanning in CV uses some tricks that - on most modern |
| 166 | filesystems - makes it possible to detect filetypes faster than stat()'ing |
217 | filesystems - makes it possible to detect filetypes faster than stat()'ing |
| 167 | every file. This makes CV suitable for directories with lots of files |
218 | every file. This makes CV suitable for directories with lots of files |
| 168 | (10000+). |
219 | (10000+). |
| 169 | |
220 | |
| 170 | This algorithm is quite unprecise - it doesn't make a difference between |
221 | This algorithm is quite unprecise - it doesn't make a difference between |
| 171 | files, device nodes, symlinks and the like, and filetype detection is done |
222 | files, device nodes, symlinks and the like, and filetype detection is done |
| 172 | using the file extension only. |
223 | using the file extension only. |
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224 | |
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225 | On the positive side, it is usually many orders of magnitude faster than |
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226 | traditional scanning techniques (good for directories with 10000 or |
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227 | 100000+ files). |
| 173 | |
228 | |
| 174 | =item * queuing for all time-consuming background tasks |
229 | =item * queuing for all time-consuming background tasks |
| 175 | |
230 | |
| 176 | All tasks, such as unlinking files or generating thumbnails, that can be |
231 | All tasks, such as unlinking files or generating thumbnails, that can be |
| 177 | done in the background will be done so - no waiting required, even when |
232 | done in the background will be done so - no waiting required, even when |
| … | |
… | |
| 188 | =item * fast image loading |
243 | =item * fast image loading |
| 189 | |
244 | |
| 190 | The time span between the user issuing a command and displaying the new |
245 | The time span between the user issuing a command and displaying the new |
| 191 | image should be as small as possible. CV uses optimized (especially |
246 | image should be as small as possible. CV uses optimized (especially |
| 192 | for JPEG) loading functions and sacrifices some quality (e.g no gamma |
247 | for JPEG) loading functions and sacrifices some quality (e.g no gamma |
| 193 | correction) to achieve this speed. |
248 | correction, although this might change) to achieve this speed. |
| 194 | |
249 | |
| 195 | =item * fast thumbnail creation |
250 | =item * fast thumbnail creation |
| 196 | |
251 | |
| 197 | Thumbnail creation is crucial for me, so it's better be fast. Thumbnail |
252 | Thumbnail creation uses both CPU and Disk-I/O. CV interleaves both, so |
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253 | on modern CPUs, thumbnailing is usually limited by I/O speed. Thumbnail |
| 198 | creation for JPEGs has been specially optimized. |
254 | creation for JPEGs has been specially optimized and can even take |
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255 | advantage of multiple CPUs. |
| 199 | |
256 | |
| 200 | =item * minimum optical clutter |
257 | =item * minimum optical clutter |
| 201 | |
258 | |
| 202 | CV has no menus or other user interface elements that take up a lot of |
259 | CV has no menus or other user interface elements that take up a lot of |
| 203 | screen space. The schnauzer windows can also be somewhat crowded. |
260 | screen space (or are useful for beginning users). The schnauzer windows |
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261 | can also be somewhat crowded. |
| 204 | |
262 | |
| 205 | The point of an image viewer is viewing images, not a nice GUI. This is |
263 | The point of an image viewer is viewing images, not a nice GUI. This is |
| 206 | similar to XV's behaviour. |
264 | similar to XV's behaviour. |
| 207 | |
265 | |
| 208 | =item * efficient (and hard to learn) user interface |
266 | =item * efficient (and hard to learn) user interface |
| 209 | |
267 | |
| 210 | CV uses key combinations. A lot. If you are an experienced XV user, you |
268 | CV uses key combinations. A lot. If you are an experienced XV user, you |
| 211 | will find most of these keys familiar. If not, CV might be hard to use at |
269 | will find most of these keys familiar. If not, CV might be hard to use at |
| 212 | first, but will be an efficient tool later. |
270 | first, but will be an efficient tool later. |
| 213 | |
271 | |
|
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272 | =item * multi-window GUI |
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273 | |
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274 | CV doesn't force you to use a specific layout, instead it relies on your |
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275 | window manager, thus enabling you to chose whatever layout that suits you |
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276 | most. |
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277 | |
| 214 | =item * i18n'ed filename handling throughout |
278 | =item * i18n'ed filename handling throughout |
| 215 | |
279 | |
| 216 | As long as glib can recognize your filename encoding (either UTF-8 or |
280 | As long as glib can recognize your filename encoding (either UTF-8 or |
| 217 | locale-specific, depending on your settings) and you have the relevant |
281 | locale-specific, depending on the setting of G_BROKEN_FILENAMES) and you |
| 218 | fonts, CV will display your filenames correctly. |
282 | have the relevant fonts, CV will display your filenames correctly. |
| 219 | |
283 | |
| 220 | =item * extensible through plug-ins |
284 | =item * extensible through plug-ins |
| 221 | |
285 | |
| 222 | I have weird plug-ins that access remote databases to find a |
286 | I have weird plug-ins that access remote databases to find a |
| 223 | directory. This is not likely to be of any use to other people. Likewise, |
287 | directory. This is not likely to be of any use to other people. Likewise, |
| … | |
… | |
| 244 | . enlarge the image by 10% |
308 | . enlarge the image by 10% |
| 245 | n reset to normal size |
309 | n reset to normal size |
| 246 | m maximize to screensize |
310 | m maximize to screensize |
| 247 | M maximize to screensize, respecting image aspect |
311 | M maximize to screensize, respecting image aspect |
| 248 | ctrl-m toggle maxpect-always mode |
312 | ctrl-m toggle maxpect-always mode |
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313 | ctrl-sift-m toggle using current image size as max image size |
| 249 | u uncrop |
314 | u uncrop |
| 250 | r set scaling mode to 'nearest' (fastest) |
315 | r set scaling mode to 'nearest' (fastest) |
| 251 | s set scaling mode to 'bilinear' (default) |
316 | s set scaling mode to 'bilinear' (default) |
| 252 | shift-s set scaling mode to 'hyper' (slowest) |
317 | shift-s set scaling mode to 'hyper' (slowest) |
| 253 | t rotate clockwise 90° |
318 | t rotate clockwise 90° |
| 254 | T rotate counterclockwise° |
319 | T rotate counterclockwise° |
|
|
320 | a apply all rotations loslessly to a jpeg file (using exiftran) |
| 255 | ctrl-v open a new visual schnauzer window for the current dir |
321 | ctrl-v open a new visual schnauzer window for the current dir |
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|
322 | ctrl-c clone the current image window |
| 256 | ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image |
323 | ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image |
| 257 | ctrl-p fire up the print fialog |
324 | ctrl-p fire up the print dialog |
| 258 | escape cancel a crop action |
325 | escape cancel a crop action |
| 259 | |
326 | |
| 260 | And when playing movies, these additional keys are active: |
327 | And when playing movies, these additional keys are active: |
| 261 | |
328 | |
| 262 | left rewind by 10 seconds |
329 | left rewind by 10 seconds |
| … | |
… | |
| 277 | Left-clicking into the image window will let you crop the image (usually |
344 | Left-clicking into the image window will let you crop the image (usually |
| 278 | to zoom into large images that CV scales down). |
345 | to zoom into large images that CV scales down). |
| 279 | |
346 | |
| 280 | =head2 THE VISUAL SCHNAUZER |
347 | =head2 THE VISUAL SCHNAUZER |
| 281 | |
348 | |
|
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349 | Any image-loading action in a schnauzer window acts on the |
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350 | "last-recently-activated" imagewindow, which currently is simply the last |
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351 | image window that received a keypress. |
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352 | |
| 282 | You can use the following keys in the schnauzer window: |
353 | You can use the following keys in the schnauzer window: |
| 283 | |
354 | |
| 284 | ctrl-space, |
355 | ctrl-space, |
| 285 | space move to and display next image |
356 | space move to and display next image |
| 286 | ctrl-backspace, |
357 | ctrl-backspace, |
| … | |
… | |
| 300 | ctrl-g force generation of thumbnais for the selected files |
371 | ctrl-g force generation of thumbnais for the selected files |
| 301 | ctrl-s rescan current direcory or files updates/deletes etc. |
372 | ctrl-s rescan current direcory or files updates/deletes etc. |
| 302 | ctrl-u update selected (or all) icons if neccessary |
373 | ctrl-u update selected (or all) icons if neccessary |
| 303 | ctrl-l don't use, will become a plug-in eventually |
374 | ctrl-l don't use, will become a plug-in eventually |
| 304 | |
375 | |
|
|
376 | ^ go to parent directory (caret). |
|
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377 | |
| 305 | 0-9, |
378 | 0-9, |
| 306 | a-z find the first filename beginning with this letter |
379 | a-z find the first filename beginning with this letter |
| 307 | |
380 | |
| 308 | Right-clicking into the schnauzer window displays a pop-up menu with |
381 | Right-clicking into the schnauzer window displays a pop-up menu with |
| 309 | additional actions. |
382 | additional actions. |
| 310 | |
383 | |
|
|
384 | =head3 SELECTION |
|
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385 | |
|
|
386 | You can select entries in the Schnauzer in a variety of ways: |
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387 | |
|
|
388 | =over 4 |
|
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389 | |
|
|
390 | =item Keyboard |
|
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391 | |
|
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392 | Moving the cursor with the keyboard will first deselect all files and then |
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393 | select the file you moved to. |
|
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394 | |
|
|
395 | =item Clicking |
|
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396 | |
|
|
397 | Clicking on an entry will select the one you clicked and deselect all |
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398 | others. |
|
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399 | |
|
|
400 | =item Shift-Clicking |
|
|
401 | |
|
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402 | Shift-clicking will toggle the selection on the entry under the mouse. |
|
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403 | |
|
|
404 | =item Dragging |
|
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405 | |
|
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406 | Dragging will select all entries between the one selected when pushing the |
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407 | button and the one selected when releasing the button. If you move above |
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408 | or below the schnauzer area while drag-selecting, the schnauzer will move |
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409 | up/down one row twice per second. In addition, horizontal mouse movement |
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410 | acts as a kind of invisible horizontal scrollbar. |
|
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411 | |
|
|
412 | =item Hint: double-click works while click-selecting |
|
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413 | |
|
|
414 | You can double-click any image while click-selecting to display it |
|
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415 | without stopping the selection process. This will act as if you normally |
|
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416 | double-clicked the image to display it, and will toggle the selection |
|
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417 | twice, resulting in no change. |
|
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418 | |
|
|
419 | =back |
|
|
420 | |
| 311 | =head1 FILES |
421 | =head1 FILES |
| 312 | |
422 | |
| 313 | When starting, CV runs the F<.cvrc> file in your F<$HOME> directory as if |
423 | When starting, CV runs the F<.cvrc> file in your F<$HOME> directory as if |
| 314 | it were a perl script. in that, you will mostly load plug-ins. |
424 | it were a perl script. in that, you will mostly load plug-ins. |
| 315 | |
425 | |
| … | |
… | |
| 327 | |
437 | |
| 328 | =item CV_EDITOR |
438 | =item CV_EDITOR |
| 329 | |
439 | |
| 330 | The program that gets executed when the user presses C<CTRL-e> in the |
440 | The program that gets executed when the user presses C<CTRL-e> in the |
| 331 | Schnauzer or image window. The default is C<gimp>. |
441 | Schnauzer or image window. The default is C<gimp>. |
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442 | |
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443 | =item CV_AUDIO_PLAYER |
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444 | |
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445 | Program used to play all sorts of audio (wav, aif, mp3, ogg...), default "play". |
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446 | Will be called like C<< $CV_AUDIO_PLAYER -- <path> >>. |
| 332 | |
447 | |
| 333 | =item CV_PRINT_DESTINATION |
448 | =item CV_PRINT_DESTINATION |
| 334 | |
449 | |
| 335 | The default (perl-style) destination to use in the print dialog. |
450 | The default (perl-style) destination to use in the print dialog. |
| 336 | |
451 | |
