1 | #!/opt/bin/perl |
1 | #!/opt/bin/perl |
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2 | |
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3 | use Cwd (); |
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4 | use Encode (); |
2 | |
5 | |
3 | use Gtk2 -init; |
6 | use Gtk2 -init; |
4 | use Gtk2::Gdk::Keysyms; |
7 | use Gtk2::Gdk::Keysyms; |
5 | |
8 | |
6 | use Gtk2::CV::ImageWindow; |
9 | use Gtk2::CV::ImageWindow; |
7 | use Gtk2::CV::Schnauzer; |
10 | use Gtk2::CV::Schnauzer; |
8 | |
11 | |
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12 | use Gtk2::CV; |
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13 | |
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14 | Gtk2::Rc->parse (Gtk2::CV::find_rcfile "gtkrc"); |
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15 | |
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16 | use File::Spec; |
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17 | |
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18 | my $mainwin; |
9 | my $viewer; |
19 | my $viewer; |
10 | my $schnauzer; |
20 | my $schnauzer; |
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21 | my $info; |
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22 | my $help; |
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23 | |
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24 | my $schnauzer_idx = 0; |
11 | |
25 | |
12 | sub new_schnauzer { |
26 | sub new_schnauzer { |
13 | my $w = new Gtk2::Window; |
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14 | $w->add (my $s = new Gtk2::CV::Schnauzer); |
27 | my $s = new Gtk2::CV::Schnauzer; |
15 | |
28 | |
16 | $s->signal_connect (activate => sub { $viewer->load_image ($_[1]) }); |
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17 | $s->signal_connect_after (key_press_event => \&std_keys); |
29 | $s->signal_connect_after (key_press_event => \&std_keys); |
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30 | $s->signal_connect (activate => sub { |
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31 | my $label = sprintf "%s (%d)", |
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32 | (File::Spec->splitpath ($_[1]))[2], |
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33 | -s $_[1]; |
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34 | $info->set_label ($label); |
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35 | $viewer->load_image ($_[1]); |
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36 | }); |
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37 | $s->signal_connect (chdir => sub { |
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38 | my ($self, $dir) = @_; |
18 | |
39 | |
19 | $s->set_dir ("."); |
40 | my $path = Cwd::abs_path $dir; |
20 | $w->show_all; |
41 | |
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42 | $self->realize; |
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43 | $self->window->property_change ( |
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44 | Gtk2::Gdk::Atom->intern ("_X_CWD", 0), |
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45 | Gtk2::Gdk::Atom->intern ("UTF8_STRING", 0), |
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46 | Gtk2::Gdk::CHARS, 'replace', |
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47 | Encode::encode_utf8 $path, |
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48 | ); |
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49 | }); |
21 | |
50 | |
22 | $s; |
51 | $s; |
23 | } |
52 | } |
24 | |
53 | |
25 | sub std_keys { |
54 | sub std_keys { |
26 | my $key = $_[1]->keyval; |
55 | my $key = $_[1]->keyval; |
27 | my $state = $_[1]->state; |
56 | my $state = $_[1]->state; |
28 | |
57 | |
29 | my $ctrl = grep $_ eq "control-mask", @$state; |
58 | my $ctrl = $state * "control-mask"; |
30 | |
59 | |
31 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
60 | if ($key == $Gtk2::Gdk::Keysyms{q}) { |
32 | main_quit Gtk2; |
61 | main_quit Gtk2; |
33 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
62 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{v}) { |
34 | new_schnauzer; |
63 | my $w = new Gtk2::Window; |
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64 | |
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65 | $w->set_title ("CV: Schnauzer"); |
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66 | $w->add (my $s = new_schnauzer); |
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67 | $s->set_dir (File::Spec->curdir); |
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68 | $s->set_geometry_hints; |
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69 | $w->show_all; |
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70 | |
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71 | } elsif ($ctrl && $key == $Gtk2::Gdk::Keysyms{h}) { |
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72 | unless ($help) { |
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73 | require Gtk2::PodViewer; |
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74 | |
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75 | $help = new Gtk2::Window; |
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76 | $help->set_title ("CV: Help"); |
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77 | $help->set_default_size (500, 300); |
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78 | $help->signal_connect (delete_event => sub { $help->hide; 1 }); |
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79 | |
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80 | $help->add (my $sw = new Gtk2::ScrolledWindow); |
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81 | $sw->add (my $h = new Gtk2::PodViewer); |
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82 | |
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83 | #binmode DATA, ":utf8"; |
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84 | $h->load_string (do { local $/; <DATA> }); |
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85 | } |
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86 | |
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87 | $help->show_all; |
35 | } else { |
88 | } else { |
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89 | #$mainwin->show_all; |
36 | $schnauzer->handle_key ($key, $state); |
90 | $schnauzer->handle_key ($key, $state); |
37 | } |
91 | } |
38 | |
92 | |
39 | 1; |
93 | 1; |
40 | } |
94 | } |
41 | |
95 | |
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96 | { |
42 | $viewer = new Gtk2::CV::ImageWindow; |
97 | $viewer = new Gtk2::CV::ImageWindow; |
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98 | |
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99 | $viewer->set_title ("CV: Image"); |
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100 | |
43 | $viewer->signal_connect (key_press_event => \&std_keys); |
101 | $viewer->signal_connect (key_press_event => \&std_keys); |
44 | $viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
102 | $viewer->signal_connect (delete_event => sub { main_quit Gtk2 }); |
45 | |
103 | |
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104 | $viewer->signal_connect (button3_press_event => sub { |
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105 | $mainwin->visible |
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106 | ? $mainwin->hide |
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107 | : $mainwin->show_all; |
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108 | 1; |
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109 | }); |
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110 | |
46 | $schnauzer = new_schnauzer; |
111 | $schnauzer = new_schnauzer; |
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112 | |
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113 | $mainwin = new Gtk2::Window; |
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114 | $mainwin->set_title ("CV"); |
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115 | $mainwin->add (my $vbox = new Gtk2::VBox); |
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116 | $mainwin->signal_connect (delete_event => sub { $mainwin->hide; 1; }); |
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117 | |
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118 | $vbox->add ($schnauzer); |
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119 | $vbox->pack_end (my $frame = new Gtk2::Frame, 0, 0, 0); |
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120 | $frame->add (my $hbox = new Gtk2::HBox 0, 0); |
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121 | $hbox->pack_start ((new Gtk2::Label "Info"), 0, 0, 0); |
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122 | $hbox->pack_start (($info = new Gtk2::Label), 1, 1, 0); |
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123 | |
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124 | $schnauzer->set_geometry_hints; |
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125 | } |
47 | |
126 | |
48 | if (@ARGV) { |
127 | if (@ARGV) { |
49 | $viewer->load_image ($ARGV[0]); |
128 | $schnauzer->set_paths ([map Glib::filename_to_unicode $_, @ARGV]); |
50 | |
129 | $schnauzer->show_all; |
51 | if (@ARGV > 1) { |
130 | $schnauzer->handle_key ($Gtk2::Gdk::Keysyms{space}, []); |
52 | $schnauzer->set_paths (\@ARGV); |
131 | } else { |
53 | } |
132 | $schnauzer->set_dir (File::Spec->curdir); |
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133 | $mainwin->show_all; |
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134 | $viewer->show_all; |
54 | } |
135 | } |
55 | |
136 | |
56 | $viewer->show_all; |
137 | $viewer->show_all; |
57 | |
138 | |
58 | main Gtk2; |
139 | main Gtk2; |
59 | |
140 | |
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141 | __DATA__ |
60 | |
142 | |
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143 | =head1 NAME |
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144 | |
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145 | cv - a fast gtk+ image viewer modeled after xv |
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146 | |
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147 | =head1 SYNOPSIS |
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148 | |
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149 | cv [file...] |
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150 | |
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151 | =head1 DESCRIPTION |
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152 | |
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153 | None yet. |
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154 | |
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155 | =head2 THE IMAGE WINDOW |
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156 | |
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157 | You can use the following keys in the image window: |
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158 | |
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159 | q quit the program |
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160 | < half the image size |
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161 | > double the image size |
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162 | , shrink the image by 10% |
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163 | . enlarge the image by 10% |
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164 | n reset to normal size |
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165 | m maximize to screensize |
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166 | M maxime to screensize, respecting image aspect |
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167 | ctrl-m toggle maxpect-always mode |
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168 | u uncrop |
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169 | r set scaling mode to 'nearest' (fastest) |
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170 | s set scaling mode to 'bilinear' (default) |
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171 | S set scaling mode to 'hyper' (slowest) |
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172 | t rotate clockwise 90° |
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173 | T rotate counterclockwise° |
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174 | ctrl-v open a new visual schnauzer window for the current dir |
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175 | ctrl-s rescan visual schnauzer files for updates/deletes etc. |
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176 | ctrl-e run an editor ($CV_EDITOR or "gimp") on the current image. |
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177 | |
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178 | And when playing movies, these additional keys are active: |
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179 | |
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180 | left rewind by 10 seconds |
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181 | right forward by 10 seconds |
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182 | down rewind by 60 seconds |
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183 | up forward by 60 seconds |
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184 | pg_up rewind by 600 seconds |
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185 | pg_down forward by 600 seconds |
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186 | o toggle on-screen display |
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187 | p pause/unpause |
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188 | escape stop playing |
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189 | 9 turn volume down |
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190 | 0 turn volume up |
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191 | |
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192 | The following keys are redirected to the default visual schnauzer window: |
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193 | |
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194 | space next image |
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195 | backspace last image |
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196 | |
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197 | =head2 THE VISUAL SCHNAUZER |
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198 | |
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199 | You can use the following keys in the schnauzer window: |
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200 | |
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201 | space move to and display next image |
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202 | backspace move to and display previous image |
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203 | return display selected picture |
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204 | |
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205 | cursor keys move selection |
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206 | page-up move one page up |
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207 | page-down move one page down |
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208 | home move to first file |
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209 | end move to last file |
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210 | |
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211 | ctrl-d delete selected files WITHOUT ASKING AGAIN |
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212 | ctrl-g generate icons for the selected files |
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213 | ctrl-u update selected (or all) icons if neccessary |
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214 | ctrl-a select all files |
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215 | |
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216 | =head1 ENVIRONMENT |
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217 | |
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218 | =over 4 |
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219 | |
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220 | =item CV_EDITOR |
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221 | |
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222 | The program that gets executed when the user presses C<CTRL-e> in the |
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223 | Schnauzer or image window. The default is C<gimp>. |
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224 | |
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225 | =item CV_PRINT_DESTINATION |
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226 | |
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227 | The default (perl-style) destination to use in the print dialog. |
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228 | |
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229 | =item CV_TRASHCAN |
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230 | |
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231 | When set, must point to a directory where all files that are deleted are |
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232 | moved to. If unset, files that are deleted are really being deleted. |
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233 | |
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234 | =back |
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235 | |
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236 | =head1 SECURITY CONSIDERATIONS |
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237 | |
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238 | CV uses Pixbuf to load images. Pixbuf is not considered safe for this |
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239 | purpose, though (from the gtk-2.2 release notes): |
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240 | |
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241 | "While efforts have been made to make gdk-pixbuf robust against invalid |
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242 | images, using gdk-pixbuf to load untrusted data is not recommended, due to |
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243 | the likelyhood that there are additional problems where an invalid image |
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244 | could cause gdk-pixbuf to crash or worse." |
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245 | |
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246 | =head1 BUGS/TODO |
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247 | |
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248 | Pixbuf doesn't honor G_BROKEN_FILENAMES, so accessing files with names |
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249 | incompatible with utf-8 fails. |
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250 | |
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251 | rotate on disk |
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252 | print |
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253 | lots of ui issues |
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254 | save(?) |
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255 | preferences |
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256 | ctrl-u in schnauzer |
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257 | shift-cursor in schnauzer |
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258 | |
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259 | =head1 AUTHOR |
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260 | |
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261 | Marc Lehmann <cv@plan9.de>. |
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262 | |
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263 | =cut |
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264 | |