44d8c7115d284a3379089356364e9e328ac12904
[booh] / bin / booh-classifier
1 #! /usr/bin/ruby
2 #
3 #                         *  BOOH  *
4 #
5 # A.k.a 'Best web-album Of the world, Or your money back, Humerus'.
6 #
7 # The acronyn sucks, however this is a tribute to Dragon Ball by
8 # Akira Toriyama, where the last enemy beaten by heroes of Dragon
9 # Ball is named "Boo". But there was already a free software project
10 # called Boo, so this one will be it "Booh". Or whatever.
11 #
12 #
13 # Copyright (c) 2004-2009 Guillaume Cottenceau <http://zarb.org/~gc/resource/gc_mail.png>
14 #
15 # This software may be freely redistributed under the terms of the GNU
16 # public license version 2.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
22 require 'getoptlong'
23 require 'tempfile'
24
25 require 'gtk2'
26 require 'booh/libadds'
27
28 require 'gettext'
29 include GetText
30 bindtextdomain("booh")
31
32 require 'booh/rexml/document'
33 include REXML
34
35 require 'booh/booh-lib'
36 include Booh
37 require 'booh/UndoHandler'
38
39
40 #- options
41 $options = [
42     [ '--help',          '-h', GetoptLong::NO_ARGUMENT, _("Get help message") ],
43     [ '--sort-by-exif-date', '-s', GetoptLong::NO_ARGUMENT, _("Sort entries by EXIF date") ],
44     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
45     [ '--version',       '-V', GetoptLong::NO_ARGUMENT, _("Print version and exit") ],
46 ]
47
48 $preloader_allowed = false
49
50 def usage
51     puts _("Usage: %s [OPTION]...") % File.basename($0)
52     $options.each { |ary|
53         printf " %3s, %-15s %s\n", ary[1], ary[0], ary[3]
54     }
55 end
56
57 def handle_options
58     parser = GetoptLong.new
59     parser.set_options(*$options.collect { |ary| ary[0..2] })
60     begin
61         parser.each_option do |name, arg|
62             case name
63             when '--help'
64                 usage
65                 exit(0)
66
67             when '--sort-by-exif-date'
68                 $sort_by_exif_date = true
69
70             when '--verbose-level'
71                 $verbose_level = arg.to_i
72
73             when '--version'
74                 puts _("Booh version %s
75
76 Copyright (c) 2005-2009 Guillaume Cottenceau.
77 This is free software; see the source for copying conditions.  There is NO
78 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") % $VERSION
79
80                 exit(0)
81
82             end
83         end
84     rescue
85         puts $!
86         usage
87         exit(1)
88     end
89 end
90
91 def startup_memfree
92     if $startup_memfree.nil?
93         meminfo = IO.readlines('/proc/meminfo').join
94         meminfo =~ /MemFree:.*?(\d+)/ or return -1
95         memfree = $1
96         meminfo =~ /Buffers:.*?(\d+)/ and buffers = $1
97         meminfo =~ /Cached:.*?(\d+)/ and cached = $1
98         $startup_memfree = memfree.to_i + buffers.to_i + cached.to_i
99     end
100     return $startup_memfree
101 end
102
103 def set_cache_memory_use_figure
104     
105     if $config['cache-memory-use'] =~ /memfree_(\d+)/
106         $config['cache-memory-use-figure'] = startup_memfree*$1.to_f/100
107     else
108         $config['cache-memory-use-figure'] = $config['cache-memory-use'].to_i
109     end
110     msg 2, _("Cache memory used: %s kB") % $config['cache-memory-use-figure']
111 end
112
113 def read_config
114     $config = {}
115     $config_file = File.expand_path('~/.booh-classifier-rc')
116     if File.readable?($config_file)
117         $xmldoc = REXML::Document.new(File.new($config_file))
118         $xmldoc.root.elements.each { |element|
119             txt = element.get_text
120             if txt
121                 if txt.value =~ /~~~/
122                     $config[element.name] = txt.value.split(/~~~/)
123                 else
124                     $config[element.name] = txt.value
125                 end
126             elsif element.elements.size == 0
127                 $config[element.name] = ''
128             else
129                 $config[element.name] = {}
130                 element.each { |chld|
131                     txt = chld.get_text
132                     $config[element.name][chld.name] = txt ? txt.value : nil
133                 }
134             end
135         }
136     end
137     $config['video-viewer'] ||= '/usr/bin/mplayer %f'
138     $config['browser'] ||= "/usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f"
139     $config['preload-distance'] ||= '5'
140     $config['cache-memory-use'] ||= 'memfree_80%'
141     $config['rotate-set-exif'] ||= 'true'
142     $config['thumbnails-height'] ||= '64'
143     set_cache_memory_use_figure
144 end
145
146 def check_config
147     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
148     if missing != []
149         show_popup($main_window, utf8(_("The following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')), { :pos_centered => true })
150     end
151
152     if !system("which exif >/dev/null 2>/dev/null")
153         show_popup($main_window, utf8(_("The program 'exif' is needed to view EXIF data. Please install it.")), { :pos_centered => true })
154     end
155     viewer_binary = $config['video-viewer'].split.first
156     if viewer_binary && ! File.executable?(viewer_binary)
157         show_popup($main_window, utf8(_("The configured video viewer seems to be unavailable.
158 You should fix this in Edit/Preferences so that you can view videos.
159
160 Problem was: '%s' is not an executable file.
161 Hint: don't forget to specify the full path to the executable,
162 e.g. '/usr/bin/mplayer' is correct but 'mplayer' only is not.") % viewer_binary), { :pos_centered => true, :not_transient => true })
163     end
164     check_browser
165 end
166
167 def write_config
168     ios = File.open($config_file, "w")
169     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
170     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
171     $config.each_pair { |key, value|
172         elem = $xmldoc.root.add_element key
173         if value.is_a? Hash
174             $config[key].each_pair { |subkey, subvalue|
175                 subelem = elem.add_element subkey
176                 subelem.add_text subvalue.to_s
177             }
178         elsif value.is_a? Array
179             elem.add_text value.join('~~~')
180         else
181             if !value
182                 elem.remove
183             else
184                 elem.add_text value.to_s
185             end
186         end
187     }
188     $xmldoc.write(ios)
189     ios.close
190 end
191
192 def save_undo(name, closure, *params)
193     UndoHandler.save_undo(name, closure, [ *params ])
194     $undo_mb.sensitive = true
195     $redo_mb.sensitive = false
196 end
197
198 def get_mem
199     IO.readlines('/proc/self/status').join =~ /VmSize.*?(\d+)\s*kB/
200     msg 3, "VmSize: #{$1}"
201     return $1.to_i
202 end
203
204 def show_mem(*txt)
205     txt.length > 0 and print txt[0]
206     msg 2, "RSS: #{get_mem}"
207 end
208
209 class Gdk::Color
210     def darker
211         color = dup
212         color.red = [ color.red - 10000, 0 ].max
213         color.green = [ color.green - 10000, 0 ].max
214         color.blue = [ color.blue - 10000, 0 ].max
215         return color
216     end
217     def lighter
218         color = dup
219         color.red = [ color.red + 10000, 65535 ].min
220         color.green = [ color.green + 10000, 65535 ].min
221         color.blue = [ color.blue + 10000, 65535 ].min
222         return color
223     end
224 end
225
226 $color_red = Gdk::Color.new(65535, 0, 0)
227 $colors = [ Gdk::Color.new(0, 65535, 0),
228             Gdk::Color.new(0, 0, 65535),
229             Gdk::Color.new(65535, 65535, 0),
230             Gdk::Color.new(0, 65535, 65535),
231             Gdk::Color.new(65535, 0, 65535) ]
232
233 class Label
234     attr_accessor :color, :name, :button
235     def initialize(name)
236         @name = name
237     end
238 end
239
240 class InterruptedLoading < Exception
241     #- not a StandardError, not catched by a simple rescue
242 end
243
244 class Entry
245     @@max_width = nil
246     def Entry.thumbnails_height
247         return $config['thumbnails-height'].to_i
248     end
249
250     attr_accessor :path, :guipath, :type, :angle, :button, :image, :alignment, :removed, :labeled
251
252     def initialize(path, type, guipath)
253         @path = path
254         @type = type
255         @guipath = guipath
256         if @@max_width.nil?
257             @@max_width = $main_window.root_window.size[0] - $labels_vbox.allocation.width - ( $videoborder_pixbuf.width + MainView.borders_thickness) * 2
258         end
259     end
260
261     def free_pixbuf_full
262         if @pixbuf_full.nil?
263             return false
264         else
265             msg 3, ">>> free_pixbuf_full #{path}"
266             @pixbuf_full = nil
267             return true
268         end
269     end
270     def pixbuf_main
271         Gtk.main_iteration while Gtk.events_pending?
272         width, height = $mainview.window.size 
273         width = MainView.get_usable_width(width)
274         height = MainView.get_usable_height(height)
275         if @pixbuf_main.nil? || width != @width || height != @height
276             @width = width
277             @height = height
278             load_into_pixbuf_full  #- make sure it is loaded
279             if @pixbuf_full.nil?
280                 return
281             end
282             if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
283                 resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
284                 if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
285                     @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
286                 else
287                     @pixbuf_main = @pixbuf_full
288                 end
289             else
290                 resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
291                 if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
292                     @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
293                 else
294                     @pixbuf_main = @pixbuf_full
295                 end
296             end
297         end
298         return @pixbuf_main
299     end
300     def free_pixbuf_main
301         if @pixbuf_main.nil?
302             return false
303         else
304             msg 3, ">>> free_pixbuf_main #{path}"
305             @pixbuf_main = nil
306             return true
307         end
308     end
309     def pixbuf_thumbnail
310         Gtk.main_iteration while Gtk.events_pending?
311         if @pixbuf_thumbnail.nil?
312             if @pixbuf_main
313                 msg 3, ">>> pixbuf_thumbnail from main #{path}"
314                 @pixbuf_thumbnail = @pixbuf_main.scale(@pixbuf_main.width * (Entry.thumbnails_height.to_f/@pixbuf_main.height), Entry.thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
315             else
316                 msg 3, ">>> pixbuf_thumbnail from file #{path}"
317                 @pixbuf_thumbnail = load_into_pixbuf_at_size { |w, h|
318                     if @angle == 0
319                         if h > Entry.thumbnails_height
320                             [ w * Entry.thumbnails_height.to_f/h, Entry.thumbnails_height ]
321                         else
322                             [ w, h ]
323                         end
324                     else
325                         if w > Entry.thumbnails_height
326                             [ Entry.thumbnails_height, h * Entry.thumbnails_height.to_f/w ]
327                         else
328                             [ w, h ]
329                         end
330                     end
331                 }
332             end
333         end
334         return @pixbuf_thumbnail
335     end
336     def free_pixbuf_thumbnail
337         if @pixbuf_thumbnail.nil?
338             return false
339         else
340             msg 3, ">>> free_pixbuf_thumbnail #{path}"
341             @pixbuf_thumbnail = nil
342             return true
343         end
344     end
345
346     def outline_color
347         if removed
348             return $color_red
349         elsif labeled
350             return labeled.color
351         else
352             return nil
353         end
354     end
355
356     def show_bg
357         if outline_color.nil?
358             button.modify_bg(Gtk::StateType::NORMAL, nil)
359             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
360             button.modify_bg(Gtk::StateType::ACTIVE, nil)
361         else
362             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
363             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
364             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
365         end
366     end
367
368     def get_beautified_name
369         if type == 'image'
370             size = get_image_size(path)
371             return _("%s (%sx%s, %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
372                                              size[:x],
373                                              size[:y],
374                                              commify(file_size(path)/1024)]
375         else
376             return _("%s (video - %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
377                                              commify(file_size(path)/1024)]
378         end
379     end
380
381     private
382     def cleanup_dir(dir)
383         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
384         Dir.delete(dir)
385     end
386
387     def load_into_pixbuf_full
388         if @pixbuf_full.nil?
389             msg 3, ">>> load_into_pixbuf_full #{path}"
390             @pixbuf_full = load_into_pixbuf_at_size { |w, h|
391                 if @angle == 0
392                     if w > @@max_width
393                         #- save memory and speedup (+35%) loading 
394                         [ w * (factor = @@max_width.to_f/w), h * factor ]
395                     else
396                         [ w, h ]
397                     end
398                 else
399                     if h > @@max_width
400                         [ w * (factor = @@max_width.to_f/h), h * factor ]
401                     else
402                         [ w, h ]
403                     end
404                 end
405             }
406         end
407     end
408
409     def load_into_pixbuf_at_size(&specify_size)
410         pixbuf = nil
411         if @type == 'video'
412             tmp = Tempfile.new("boohclassifiertemp")
413             dest_dir = tmp.path
414             tmp.close!
415             Dir.mkdir(dest_dir)
416             orig_base = File.basename(path)
417             tmpdir = gen_video_thumbnail(path, false, 0)
418             if tmpdir.nil?
419                 return
420             end
421             image_path = "#{tmpdir}/00000001.jpg"
422         else
423             image_path = @path
424         end
425         if @angle.nil?
426             if @type == 'image'
427                 @angle = guess_rotate(image_path)
428             else
429                 @angle = 0
430             end
431         end
432         begin
433             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
434             #- if loaded pictures are several MBs large
435             loader = Gdk::PixbufLoader.new
436             loader.signal_connect('size-prepared') { |l, w, h|
437                 r = specify_size.call(w, h)
438                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
439                 loader.set_size(*specify_size.call(w, h))
440             }
441             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
442             if ! loader.load_not_freezing_ui(image_path, id)
443                 #- interrupted
444                 raise InterruptedLoading
445             end
446             if pixbuf.nil?
447                 raise "Loaded pixbuf nil - #{path} #{image_path}"
448             end
449         rescue
450             msg 0, "Cannot load #{image_path}: #{$!}"
451             return
452         ensure
453             if @type == 'video'
454                 File.delete(image_path)
455                 Dir.rmdir(tmpdir)
456             end
457         end
458         if pixbuf
459             if @angle != 0
460                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
461                 pixbuf = rotate_pixbuf(pixbuf, @angle)
462             end
463         end
464         if @type == 'video'
465             cleanup_dir(dest_dir)
466         end
467         return pixbuf
468     end
469
470     def to_s
471         @path
472     end
473 end
474
475 $allentries = []
476
477 def gc
478     start = Time.now
479     GC.start
480     msg 3, "GC in #{Time.now - start} s"
481 end
482
483 def free_cache(avoid)
484     i = $allentries.index($mainview.get_shown_entry)
485     return if i.nil?
486     start = Time.now
487     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
488         index = i + j
489         if i + j < $allentries.size && ! avoid.include?(i + j)
490             $allentries[i + j].free_pixbuf_full
491             $allentries[i + j].free_pixbuf_main
492         end
493         if i - j >= 0 && ! avoid.include?(i - j)
494             $allentries[i - j].free_pixbuf_full
495             $allentries[i - j].free_pixbuf_main
496         end
497     }
498     msg 3, "freeing done in #{Time.now - start} s"
499     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
500         gc
501         get_mem
502     end
503 end
504
505 def run_preloader_real
506     msg 3, "*** >> main preloading triggered..."
507     if $mainview.get_shown_entry
508         if get_mem > $config['cache-memory-use-figure']
509             msg 3, "too much RSS, stopping preloading, triggering GC"
510             gc
511             get_mem
512             return true
513         end
514         if $config['preload-distance'].to_i == 0
515             free_cache([])
516             return true
517         end
518         index = $allentries.index($mainview.get_shown_entry)
519         index_right = index
520         index_left = index
521         loaded_right = 0
522         loaded_left = 0
523         right_done = false
524         left_done = false
525         loaded = []
526         while ! right_done || ! left_done
527             if ! right_done
528                 index_right += 1
529                 while index_right < $allentries.size && ! visible($allentries[index_right])
530                     index_right += 1
531                 end
532                 if index_right == $allentries.size
533                     right_done = true
534                 else
535                     msg 3, "preloading #{$allentries[index_right].path}"
536                     begin
537                         $allentries[index_right].pixbuf_main
538                     rescue InterruptedLoading
539                         msg 3, "*** >>>> interrupted, rerun"
540                         return false
541                     end
542                     loaded << index_right
543                     loaded_right += 1
544                     if loaded_right == $config['preload-distance'].to_i
545                         right_done = true
546                     end
547                 end
548             end
549
550             if ! left_done
551                 index_left -= 1
552                 while index_left >= 0 && ! visible($allentries[index_left])
553                     index_left -= 1
554                 end
555                 if index_left == -1
556                     left_done = true
557                 else
558                     msg 3, "preloading #{$allentries[index_left].path}"
559                     begin
560                         $allentries[index_left].pixbuf_main
561                     rescue InterruptedLoading
562                         msg 3, "*** >>>> interrupted, rerun"
563                         return false
564                     end
565                     loaded << index_left
566                     loaded_left += 1
567                     if loaded_left == $config['preload-distance'].to_i
568                         left_done = true
569                     end
570                 end
571             end
572
573             #- in case just loaded another directory
574             if $preloader_force_exit
575                 $preloader_force_exit = false
576                 return true
577             end
578             #- in case moved fast
579             if index != $allentries.index($mainview.get_shown_entry)
580                 msg 3, "*** >>>> moved already, rerun"
581                 return false
582             end
583         end
584         free_cache(loaded)
585     end
586     msg 3, "*** << main preloading finished"
587     return true
588 end
589
590 def run_preloader
591     if ! $preloader_allowed
592         msg 3, "*** preloader not yet allowed"
593         return
594     end
595
596     if $preloader_running
597         msg 3, "preloader already running"
598         return
599     end
600     msg 3, "run preloader"
601     $preloader_running = true
602     Gtk.idle_add {
603         msg 3, "begin preloader from timeout "
604         if run_preloader_real
605             $preloader_running = false
606             false
607         else
608             true
609         end
610     }
611 end
612
613 class MainView < Gtk::DrawingArea
614
615     @@borders_thickness = 5
616     @@borders_length = 25
617     @@redraw_pending = nil
618
619     def MainView.borders_thickness
620         return @@borders_thickness
621     end
622
623     def MainView.get_usable_width(available_width)
624         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
625     end
626
627     def MainView.get_usable_height(available_height)
628         return available_height - @@borders_thickness * 2
629     end
630     
631     def initialize
632         super()
633         signal_connect('expose-event') { draw }
634         signal_connect('configure-event') { update_shown }
635     end
636
637     def try_show_entry(entry)
638         if entry && entry.button
639             if entry.button.has_focus?
640                 redraw
641             else
642                 entry.button.grab_focus
643             end
644         end
645     end
646
647     def set_shown_entry(entry)
648         t1 = Time.now
649         if entry && entry == @entry
650             return
651         end
652         if entry && ! entry.button
653             #- not loaded yet
654             return
655         end
656         @entry = entry
657         @entry and msg 3, "*** set entry to #{@entry.path}"
658         redraw
659         msg 3, "entry shown in: #{Time.now - t1} s"
660     end
661
662     def get_shown_entry
663         return @entry
664     end
665
666     def show_next_entry(entry)
667         index = $allentries.index(entry)
668         if index < $allentries.size - 1
669             index += 1
670         end
671         while index < $allentries.size - 1 && $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible?
672             index += 1
673         end
674         while $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible? && index > 0
675             index -= 1
676         end
677         if index < $allentries.size && $allentries[index] && $allentries[index].button && $allentries[index].button.visible?
678             try_show_entry($allentries[index])
679         end
680     end
681
682     def redraw
683         if @@redraw_pending
684             msg 3, "redraw already pending"
685             return
686         end
687         msg 3, "redraw"
688         @@redraw_pending = Gtk.idle_add {
689             msg 3, "begin redraw from timeout "
690             begin
691                 msg 3, "try redraw from timeout"
692                 redraw_real
693                 @@redraw_pending = nil
694                 run_preloader
695                 false
696             rescue InterruptedLoading
697                 msg 3, "interrupted, will retry"
698                 true
699             end
700         }
701     end
702
703     def redraw_real
704         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
705         if ! update_shown
706             return
707         end
708         w, h = window.size
709         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
710         window.clear
711         draw
712         window.end_paint
713     end
714
715     def update_shown
716         if @entry
717             msg 3, "################################################ trying to show #{@entry.path}"
718             pixbuf = @entry.pixbuf_main
719             if pixbuf
720                 @pixbuf = pixbuf
721                 width, height = window.size 
722                 @xpos = (width - @pixbuf.width)/2
723                 @ypos = (height - @pixbuf.height)/2
724                 return true
725             else
726                 return false
727             end
728         else
729             @pixbuf = nil
730             return true
731         end
732     end
733
734     def draw
735         if @pixbuf
736             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
737             if @entry && @entry.type == 'video'
738                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
739             end
740             if @entry && ! @entry.outline_color.nil?
741                 gc = Gdk::GC.new(window)
742                 colormap.alloc_color(@entry.outline_color, false, true)
743                 gc.set_foreground(@entry.outline_color)
744                 if @entry.type == 'video'
745                     xleft = @xpos - $videoborder_pixbuf.width
746                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
747                 else
748                     xleft = @xpos
749                     xright = @xpos + @pixbuf.width
750                 end
751                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
752                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
753                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
754                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
755                                                [xleft - @@borders_thickness, @ypos - 1],
756                                                [xleft - 1, @ypos - 1],
757                                                [xleft - 1, @ypos + @pixbuf.height + 1],
758                                                [xright + 1, @ypos + @pixbuf.height + 1],
759                                                [xright + 1, @ypos - 1],
760                                                [xleft - @@borders_thickness, @ypos - 1]])
761             end
762         end
763     end
764 end
765
766 def autoscroll_if_needed(button, center)
767     xpos_left = button.allocation.x
768     xpos_right = button.allocation.x + button.allocation.width
769     hadj = $imagesline_sw.hadjustment
770     current_minx_visible = hadj.value
771     current_maxx_visible = hadj.value + hadj.page_size
772     if ! center
773         if xpos_left < current_minx_visible
774             #- autoscroll left
775             newval = hadj.value - (current_minx_visible - xpos_left)
776             hadj.value = newval
777         elsif xpos_right > current_maxx_visible
778             #- autoscroll right
779             newval = hadj.value + (xpos_right - current_maxx_visible)
780             if newval > hadj.upper - hadj.page_size
781                 newval = hadj.upper - hadj.page_size
782             end
783             hadj.value = newval
784         end
785     else
786         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
787     end
788 end
789
790 def show_popup(parent, msg, *options)
791     dialog = Gtk::Dialog.new
792     if options[0]
793         options = options[0]
794     else
795         options = {}
796     end
797     if options[:title]
798         dialog.title = options[:title]
799     else
800         dialog.title = utf8(_("Booh message"))
801     end
802     lbl = Gtk::Label.new
803     if options[:nomarkup]
804         lbl.text = msg
805     else
806         lbl.markup = msg
807     end
808     if options[:centered]
809         lbl.set_justify(Gtk::Justification::CENTER)
810     end
811     if options[:selectable]
812         lbl.selectable = true
813     end
814     if options[:topwidget]
815         dialog.vbox.add(options[0][:topwidget])
816     end
817     if options[:scrolled]
818         sw = Gtk::ScrolledWindow.new(nil, nil)
819         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
820         sw.add_with_viewport(lbl)
821         dialog.vbox.add(sw)
822         dialog.set_default_size(500, 600)
823     else
824         dialog.vbox.add(lbl)
825         dialog.set_default_size(200, 120)
826     end
827     if options[:bottomwidget]
828         dialog.vbox.add(options[:bottomwidget])
829     end
830     if options[:okcancel]
831         cancel = dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
832         if ! options[:bottomwidget]
833             cancel.grab_focus
834         end
835         dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
836     else
837         ok = dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK).grab_focus
838         if ! options[:bottomwidget]
839             ok.grab_focus
840         end
841     end
842
843     if options[:pos_centered]
844         dialog.window_position = Gtk::Window::POS_CENTER
845     else
846         dialog.window_position = Gtk::Window::POS_MOUSE
847     end
848
849     if options[:linkurl]
850         linkbut = Gtk::Button.new('')
851         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
852         linkbut.signal_connect('clicked') {
853             open_url(options[0][:linkurl] + '/index.html')
854             dialog.response(Gtk::Dialog::RESPONSE_OK)
855             set_mousecursor_normal
856         }
857         linkbut.relief = Gtk::RELIEF_NONE
858         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
859         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
860         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
861     end
862
863     dialog.show_all
864
865     if options[:stuff_connector]
866         options[:stuff_connector].call({ :dialog => dialog })
867     end
868                                         
869     if !options[:not_transient]
870         dialog.transient_for = parent
871         dialog.run { |response|
872             if options[:data_getter]
873                 options[:data_getter].call
874             end
875             dialog.destroy
876             if options[:okcancel]
877                 return response == Gtk::Dialog::RESPONSE_OK
878             end
879         }
880     else
881         dialog.signal_connect('response') { dialog.destroy }
882     end
883 end
884
885 def view_entry(entry)
886     if entry.type == 'image'
887         show_popup($main_window,
888                    utf8(`exif -m '#{entry.path}'`),
889                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
890     else
891         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
892         msg 2, cmd
893         system(cmd)
894     end
895 end
896
897 def thumbnail_keypressed(entry, event)
898     if event.state & Gdk::Window::MOD1_MASK != 0
899         #- ALT pressed: Alt-Left and Alft-Right rotate
900         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
901             if event.keyval == Gdk::Keyval::GDK_Left
902                 entry.angle = (entry.angle - 90) % 360
903             else
904                 entry.angle = (entry.angle + 90) % 360
905             end
906             entry.free_pixbuf_full
907             entry.free_pixbuf_main
908             entry.free_pixbuf_thumbnail
909             $mainview.redraw
910             entry.image.pixbuf = entry.pixbuf_thumbnail
911             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
912                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
913             end
914         end
915
916     elsif event.state & Gdk::Window::CONTROL_MASK != 0
917         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
918         if event.keyval == Gdk::Keyval::GDK_z
919             perform_undo
920         end
921         if event.keyval == Gdk::Keyval::GDK_r
922             perform_redo
923         end
924         if event.keyval == Gdk::Keyval::GDK_space
925             shown = $mainview.get_shown_entry
926             shown and autoscroll_if_needed(shown.button, true)
927         end
928
929     else
930         removed_before = entry.removed
931         label_before = entry.labeled
932
933         if event.keyval == Gdk::Keyval::GDK_Delete
934             if ! FileTest.writable?(entry.path)
935                 show_popup($main_window, utf8(_("Notice: no write access to '%s', permission will be denied at execute step.") % entry.path))
936             end
937             entry.removed = true
938             entry.labeled = nil
939             entry.show_bg
940             update_visibility(entry)
941             $mainview.show_next_entry(entry)
942
943             save_undo(_("set for removal"),
944                       proc {
945                           entry.removed = removed_before
946                           entry.labeled = label_before
947                           entry.show_bg
948                           update_visibility(entry)
949                           if entry.button.visible?
950                               $mainview.try_show_entry(entry)
951                           end
952                           proc {
953                               entry.removed = true
954                               entry.labeled = nil
955                               entry.show_bg
956                               update_visibility(entry)
957                               if entry.button.visible?
958                                   $mainview.try_show_entry(entry)
959                               end
960                           }
961                       })
962
963         elsif event.keyval == Gdk::Keyval::GDK_space
964             if entry.labeled
965                 msg = _("Cleared label")
966             elsif entry.removed
967                 msg = _("Cleared set for removal")
968             end
969             entry.removed = false
970             entry.labeled = nil
971             entry.show_bg
972             $mainview.show_next_entry(entry)
973
974             save_undo(msg,
975                       proc {
976                           entry.removed = removed_before
977                           entry.labeled = label_before
978                           entry.show_bg
979                           $mainview.try_show_entry(entry)
980                           proc {
981                               entry.removed = false
982                               entry.labeled = nil
983                               entry.show_bg
984                               $mainview.try_show_entry(entry)
985                           }
986                       })
987
988         elsif event.keyval == Gdk::Keyval::GDK_Return
989             view_entry(entry)
990
991         elsif event.keyval == Gdk::Keyval::GDK_Home
992             index = 0
993             while $allentries[index] && $allentries[index].button && !visible($allentries[index])
994                 index += 1
995             end
996             if $allentries[index] && $allentries[index].button
997                 $allentries[index].button.grab_focus
998             end
999
1000         elsif event.keyval == Gdk::Keyval::GDK_End
1001             index = $allentries.size - 1
1002             while $allentries[index] && $allentries[index].button && !visible($allentries[index])
1003                 index += 1
1004             end
1005             if $allentries[index] && $allentries[index].button
1006                 $allentries[index].button.grab_focus
1007             end
1008
1009         else
1010             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
1011             if char =~ /^[a-zA-z0-9]$/
1012                 label = $labels[char]
1013                 
1014                 if label.nil?
1015                     vb = Gtk::VBox.new(false, 0)
1016                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
1017                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
1018                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
1019                     bt.signal_connect('color-set') { color = bt.color }
1020                     text = nil
1021                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
1022                         while $labels.has_key?(labelentry.text[0,1])
1023                             labelentry.text = labelentry.text.sub(/./, '')
1024                         end
1025                     }
1026                     if show_popup($main_window,
1027                                   utf8(_("You typed the text character '%s', which is not associated with a label.\nType in the full name of the label below to create a new one.")) % char,
1028                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
1029                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
1030                                                                        labelentry.position = -1
1031                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
1032                         if text.length > 0
1033                             char = text[0,1]  #- in case it changed
1034                             label = Label.new(text)
1035                             label.color = color
1036                             $labels[char] = label
1037                             $ordered_labels << label
1038                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
1039                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1040                             label.button.active = true
1041                             label.button.signal_connect('toggled') { update_all_visibilities }
1042                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
1043                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
1044                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
1045                         end
1046                     end
1047                 end
1048
1049                 if label
1050                     entry.removed = false
1051                     entry.labeled = label
1052                     entry.show_bg
1053                     update_visibility(entry)
1054                     $mainview.show_next_entry(entry)
1055
1056                     save_undo(_("set label"),
1057                               proc {
1058                                   entry.removed = removed_before
1059                                   entry.labeled = label_before
1060                                   entry.show_bg
1061                                   update_visibility(entry)
1062                                   if entry.button.visible?
1063                                       $mainview.try_show_entry(entry)
1064                                   end
1065                                   proc {
1066                                       entry.removed = false
1067                                       entry.labeled = label
1068                                       entry.show_bg
1069                                       update_visibility(entry)
1070                                       if entry.button.visible?
1071                                           $mainview.try_show_entry(entry)
1072                                       end
1073                                   }
1074                               })
1075                 end
1076             end
1077         end
1078     end
1079 end
1080
1081 def sb_msg(msg)
1082     $statusbar.pop(0)
1083     if msg
1084         $statusbar.push(0, utf8(msg))
1085     end
1086 end
1087
1088 def show_entry(entry, i, tips)
1089     #- scope entry
1090     #msg 3, "showing entry #{entry}"
1091     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1092     if entry.type == 'video'
1093         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1094                                            pack_start(entry.image).
1095                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1096         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1097         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1098     else
1099         entry.button = Gtk::Button.new.add(entry.image)
1100     end
1101     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1102     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1103     entry.button.signal_connect('clicked') {
1104         shown = $mainview.get_shown_entry
1105         if shown != entry
1106             shown and shown.alignment.set(0.5, 1, 0, 0)
1107             entry.alignment.set(0.5, 0, 0, 0)
1108             autoscroll_if_needed(entry.button, false)
1109             $mainview.set_shown_entry(entry)
1110         end
1111     }
1112     entry.button.signal_connect('button-press-event') { |w, event|
1113         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1114             video_view(entry)
1115         end
1116     }
1117     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1118     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1119     if i == 0
1120         entry.button.grab_focus
1121     end
1122     update_visibility(entry)
1123 end
1124
1125 def show_entries(allentries)
1126     sb_msg(_("Loading images..."))
1127     $loading_progressbar.fraction = 0
1128     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1129     $loading_progressbar.show
1130     t1 = Time.now
1131     total_loaded_files = 0
1132     total_loaded_size = 0
1133     i = 0
1134     tips = Gtk::Tooltips.new
1135     while i < allentries.size
1136         begin
1137             entry = allentries[i]
1138             if i == 0
1139                 loaded_pixbuf = entry.pixbuf_main
1140             else
1141                 loaded_pixbuf = entry.pixbuf_thumbnail
1142             end
1143         rescue InterruptedLoading
1144             redo
1145         end
1146
1147         if $allentries != allentries
1148             #- loaded another directory while this one was not yet finished
1149             msg 3, "allentries differ, stopping this deprecated load"
1150             return
1151         end
1152
1153         if loaded_pixbuf
1154             show_entry(entry, i, tips)
1155             if $allentries != allentries
1156                 #- loaded another directory while this one was not yet finished
1157                 msg 3, "allentries differ, stopping this deprecated load"
1158                 return
1159             end
1160
1161             total_loaded_size += file_size(entry.path)
1162             total_loaded_files += 1
1163             i += 1
1164             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1165                 #- when we're at preload distance, begin preloading to preload distance
1166                 begin
1167                     allentries[i - $config['preload-distance'].to_i].pixbuf_main
1168                 rescue InterruptedLoading
1169                 end
1170             end
1171             if i == $config['preload-distance'].to_i * 2 + 1
1172                 #- when we're after double preload distance, activate normal preloading
1173                 $preloader_allowed = true
1174             end
1175             
1176         else
1177             allentries.delete_at(i)
1178         end
1179         $loading_progressbar.fraction = i.to_f / allentries.size
1180         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1181         if $quit
1182             return
1183         end
1184     end
1185     if i <= $config['preload-distance'].to_i * 2
1186         #- not yet preloaded correctly
1187         $preloader_allowed = true
1188         run_preloader
1189     end
1190     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1191     $loading_progressbar.hide
1192     $execute.sensitive = true
1193 end
1194
1195 def reset_all
1196     reset_labels
1197     reset_thumbnails
1198     $mainview.set_shown_entry(nil)
1199     sb_msg(nil)
1200     $preloader_allowed = false
1201     $execute.sensitive = false
1202 end
1203
1204 def open_dir(*paths)
1205     #- remove visual stuff, so that user will see something is happening
1206     reset_all
1207     sb_msg(_("Scanning source directory..."))
1208     Gtk.main_iteration while Gtk.events_pending?
1209
1210     for path in paths
1211         path = File.expand_path(path.sub(%r|/$|, ''))
1212         $workingdir = path
1213         entries = []
1214         if File.directory?(path)
1215             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1216             #- validate first
1217             examined_dirs.each { |dir|
1218                 if dir =~ /'/
1219                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1220                 end
1221                 Dir.entries(dir).each { |file|
1222                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1223                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1224                     end
1225                 }
1226             }
1227             
1228             #- scan for populate second
1229             examined_dirs.each { |dir|
1230                 if File.basename(dir) =~ /^\./
1231                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1232                     next
1233                 end
1234                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1235             }
1236
1237         else
1238             entries << path
1239         end
1240
1241         if $sort_by_exif_date
1242             dates = {}
1243             entries.each { |file|
1244                 date_time = Exif.datetimeoriginal(file)
1245                 if ! date_time.nil?
1246                     dates[file] = date_time
1247                 end
1248             }
1249             entries = smartsort(entries, dates)
1250         else
1251             entries.sort!
1252         end
1253         entries.each { |file|
1254             type = entry2type(file)
1255             if type
1256                 if File.directory?(path)
1257                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1258                 else
1259                     $allentries << Entry.new(file, type, file)
1260                 end
1261             end
1262         }
1263     end
1264     return nil
1265 end
1266
1267 def open_dir_popup
1268     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1269                                     nil,
1270                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1271                                     nil,
1272                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1273     fc.transient_for = $main_window
1274     if $workingdir
1275         fc.current_folder = $workingdir
1276     end
1277     ok = false
1278     load = false
1279     while !ok
1280         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1281             msg = open_dir(fc.filename)
1282             if msg
1283                 show_popup(fc, msg)
1284                 ok = false
1285             else
1286                 ok = true
1287                 load = true
1288             end
1289         else
1290             ok = true
1291         end
1292     end
1293     fc.destroy
1294     if load
1295         show_entries($allentries)
1296     end
1297 end
1298
1299 def try_quit(*options)
1300     if ! $allentries.detect { |e| e.removed || e.labeled } || show_popup($main_window,
1301                                                                          utf8(_("You have not executed the classification. Are you sure you want to quit?")),
1302                                                                          { :okcancel => true })
1303         Gtk.main_quit
1304         $quit = true
1305         return false
1306     else
1307         return true
1308     end
1309 end
1310
1311 def execute
1312     dialog = Gtk::Dialog.new
1313     dialog.title = utf8(_("Booh message"))
1314
1315     vb1 = Gtk::VBox.new(false, 5)
1316     label = Gtk::Label.new.set_markup(utf8(_("You're about to <b>execute</b> actions on the marked images.\nPlease confirm below the actions. You cannot undo this operation!")))
1317     vb1.pack_start(label, false, false)
1318
1319     lastpath = $workingdir
1320
1321     table = Gtk::Table.new(0, 0, false)
1322     table.set_row_spacings(5)
1323     table.set_column_spacings(5)
1324     table.attach(Gtk::Label.new.set_markup(utf8(_("<b>Label name:</b>"))).set_justify(Gtk::Justification::CENTER), 0, 1, 0, 1, Gtk::FILL, Gtk::FILL, 5, 0)
1325     table.attach(Gtk::Label.new.set_markup(utf8(_("<b>Amount of pictures:</b>"))).set_justify(Gtk::Justification::CENTER), 1, 2, 0, 1, Gtk::FILL, Gtk::FILL, 5, 0)
1326     table.attach(Gtk::Label.new.set_markup(utf8(_("<b>Pictures examples:</b>"))).set_justify(Gtk::Justification::CENTER), 2, 3, 0, 1, Gtk::FILL, Gtk::FILL, 5, 0)
1327     table.attach(Gtk::Label.new.set_markup(utf8(_("<b>Action to perform:</b>"))).set_justify(Gtk::Justification::CENTER), 3, 4, 0, 1, Gtk::FILL, Gtk::FILL, 5, 0)
1328     add_row = proc { |row, name, color, truthproc, normal|
1329         table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(Gtk::EventBox.new.add(Gtk::Label.new.set_markup(name)).modify_bg(Gtk::StateType::NORMAL, color)),
1330                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1331         counter = 0
1332         examples = Gtk::HBox.new(false, 5)
1333         $allentries.each { |entry|
1334             if truthproc.call(entry)
1335                 counter += 1
1336                 if counter < 4
1337                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1338                     if entry.type == 'video'
1339                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1340                                                   pack_start(thumbnail).
1341                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1342                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1343                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1344                     end
1345                     examples.pack_start(thumbnail, false, false)
1346                 elsif counter == 4
1347                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1348                 end
1349             end
1350         }
1351         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1352         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1353
1354         if counter == 0
1355             return {}
1356         end
1357
1358         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1359         iter = combostore.append
1360         if normal
1361             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1362             iter[1] = utf8(_("Copy to:"))
1363             iter = combostore.append
1364             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1365             iter[1] = utf8(_("Move to:"))
1366         else
1367             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1368             iter[1] = utf8(_("Permanently remove"))
1369         end
1370         iter = combostore.append
1371         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1372         iter[1] = utf8(_("Do nothing"))
1373         combo = Gtk::ComboBox.new(combostore)
1374         combo.active = 0
1375         renderer = Gtk::CellRendererPixbuf.new
1376         combo.pack_start(renderer, false)
1377         combo.set_attributes(renderer, :pixbuf => 0)
1378         renderer = Gtk::CellRendererText.new
1379         combo.pack_start(renderer, true)
1380         combo.set_attributes(renderer, :text => 1)
1381
1382         if normal
1383             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1384             pathbutton.signal_connect('clicked') {
1385                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1386                                                 nil,
1387                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1388                                                 nil,
1389                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1390                 fc.transient_for = dialog
1391                 if lastpath
1392                     fc.current_folder = lastpath
1393                 end
1394                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1395                     pathlabel.text = fc.filename
1396                     pathlabel.set_alignment(0, 0.5)
1397                 end
1398                 lastpath = fc.filename
1399                 fc.destroy
1400             }
1401             combo.signal_connect('changed') {
1402                 pathbutton.sensitive = combo.active <= 1
1403             }
1404             vb = Gtk::VBox.new(false, 5)
1405             vb.pack_start(combo, false, false)
1406             vb.pack_start(pathbutton, false, false)
1407             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1408             { :combo => combo, :pathlabel => pathlabel }
1409         else
1410             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1411             { :combo => combo }
1412         end
1413     }
1414     stuff = {}
1415     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1416     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1417     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1418
1419     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1420     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1421     check_removal = Gtk::CheckButton.new(utf8(_("I have noticed I am about to permanently remove the %d above mentioned pictures (total %s kB).") % [ toremove_amount, toremove_size ]))
1422     if toremove_amount > 0
1423         vb1.pack_start(check_removal, false, false)
1424         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1425             check_removal.sensitive = widget.active == 0
1426         }
1427     end
1428
1429     dialog.vbox.add(vb1)
1430
1431     dialog.set_default_size(800, 600)
1432     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1433     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1434     dialog.window_position = Gtk::Window::POS_MOUSE
1435     dialog.transient_for = $main_window
1436
1437     dialog.show_all
1438
1439     while true
1440         dialog.run { |response|        
1441             if response == Gtk::Dialog::RESPONSE_OK
1442                 problem = false
1443                 if toremove_amount > 0 && stuff['toremove'][:combo].active == 0
1444                     if ! check_removal.active?
1445                         show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1446                         problem = true
1447                         break
1448                     end
1449                     $allentries.each { |entry|
1450                         if entry.removed
1451                             if ! FileTest.writable?(entry.path)
1452                                 show_popup(dialog, utf8(_("Sorry, permission denied to remove '%s'.") % [ entry.path ]))
1453                                 problem = true
1454                                 break
1455                             end
1456                         end
1457                     }
1458                 end
1459                 label2entries = {}
1460                 $labels.values.each { |label| label2entries[label] = [] }
1461                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1462                 stuff.keys.each { |key|
1463                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1464                         destination = stuff[key][:pathlabel].text
1465                         if destination[0] != ?/
1466                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1467                             problem = true
1468                             break
1469                         end
1470                         begin
1471                             Dir.mkdir(destination)
1472                         rescue Errno::EEXIST
1473                         end
1474                         begin
1475                             st = File.stat(destination)
1476                         rescue
1477                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1478                             problem = true
1479                             break
1480                         end
1481                         if ! st.directory? || ! st.writable?
1482                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1483                             problem = true
1484                             break
1485                         end
1486                         label2entries[key].each { |entry|
1487                             begin
1488                                 File.stat(File.join(destination, File.basename(entry.path)))
1489                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1490                                 problem = true
1491                                 break
1492                             rescue
1493                             end
1494                         }
1495                         if stuff[key][:combo].active == 1
1496                             label2entries[key].each { |entry|
1497                                 if ! FileTest.writable?(entry.path)
1498                                     show_popup(dialog, utf8(_("Sorry, permission denied to move '%s'.") % [ entry.path ]))
1499                                     problem = true
1500                                     break
1501                                 end
1502                             }
1503                         end
1504                         if problem
1505                             break
1506                         end
1507                     end
1508                 }
1509                 if ! problem
1510                     begin
1511                         moved = 0
1512                         copied = 0
1513                         stuff.keys.each { |key|
1514                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1515                                 destination = stuff[key][:pathlabel].text
1516                                 label2entries[key].each { |entry|
1517                                     if stuff[key][:combo].active == 0
1518                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1519                                         copied += 1
1520                                     elsif stuff[key][:combo].active == 1
1521                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1522                                         moved += 1
1523                                     end
1524                                 }
1525                             end
1526                         }
1527                         removed = 0
1528                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1529                             $allentries.each { |entry|
1530                                 if entry.removed
1531                                     File.delete(entry.path)
1532                                     removed += 1
1533                                 end
1534                             }
1535                         end
1536                     rescue
1537                         msg 1, "woops: #{$!}"
1538                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1539                     end
1540                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1541                     dialog.destroy
1542                     reset_all
1543                     return
1544                 end
1545
1546             else
1547                 dialog.destroy
1548                 return
1549             end
1550         }
1551     end
1552 end
1553
1554 def visible(entry)
1555     if ! entry
1556         #- just "executed"
1557         return
1558     end
1559     if ! entry.button
1560         #- not yet loaded
1561         return
1562     end
1563     if entry.labeled
1564         if entry.labeled.button.active?
1565             return true
1566         else
1567             return false
1568         end
1569     elsif entry.removed
1570         if $toremove_button.active?
1571             return true
1572         else
1573             return false
1574         end
1575     else
1576         if $unlabelled_button.active?
1577             return true
1578         else
1579             return false
1580         end
1581     end
1582 end
1583
1584 def update_visibility(entry)
1585     v = visible(entry)
1586     if v.nil?
1587         return
1588     end
1589     if v
1590         entry.button.show
1591     else
1592         entry.button.hide
1593     end
1594 end
1595         
1596 def update_all_visibilities_aux
1597     $allentries.each { |entry|
1598         update_visibility(entry)
1599     }
1600     shown = $mainview.get_shown_entry
1601     shown or return
1602     while shown.button && ! shown.button.visible? && shown != $allentries.last
1603         shown = $allentries[$allentries.index(shown) + 1]
1604     end 
1605     if shown.button && shown.button.visible?
1606         shown.button.grab_focus
1607         return
1608     end
1609     $allentries.reverse.each { |entry|
1610         if entry.button && entry.button.visible?
1611             entry.button.grab_focus
1612             return
1613         end
1614     }
1615 end
1616
1617 def update_all_visibilities
1618     update_all_visibilities_aux
1619     Gtk.main_iteration while Gtk.events_pending?
1620     shown = $mainview.get_shown_entry
1621     shown and autoscroll_if_needed(shown.button, false)
1622 end
1623
1624
1625 def preferences
1626     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1627                              $main_window,
1628                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1629                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1630                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1631
1632     tooltips = Gtk::Tooltips.new
1633
1634     table_y = 0
1635
1636     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1637     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1638                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1639     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1640                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1641     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1642
1643     table_y += 1
1644     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1645                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1646     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1647                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1648     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1649
1650     table_y += 1
1651     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1652                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1653     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1654                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1655     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1656
1657     table_y += 1
1658     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1659                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1660     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(preload_distance = Gtk::SpinButton.new(0, 50, 1).set_value($config['preload-distance'].to_i)),
1661                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1662     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1663
1664     table_y += 1
1665     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1666                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1667     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1668                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1669     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1670                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1671                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1672     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1673     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1674     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1675                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1676                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1677     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1678     cache_memfree_radio.signal_connect('toggled') {
1679         if cache_memfree_radio.active?
1680             cache_memfree_label.sensitive = true
1681             cache_specify_label.sensitive = false
1682         else
1683             cache_specify_label.sensitive = true
1684             cache_memfree_label.sensitive = false
1685         end
1686     }
1687     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1688     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1689         cache_memfree_spin.value = $1.to_i
1690     else
1691         cache_specify_spin.value = $config['cache-memory-use'].to_i / 1024
1692     end
1693
1694     table_y += 1
1695     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1696                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1697     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1698     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1699
1700     dialog.vbox.show_all
1701     dialog.run { |response|
1702         if response == Gtk::Dialog::RESPONSE_OK
1703             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1704             $config['browser'] = from_utf8(browser_entry.text)
1705             $config['thumbnails-height'] = thumbnails_height.value
1706             $config['preload-distance'] = preload_distance.value
1707             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1708             if cache_memfree_radio.active?
1709                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1710             else
1711                 $config['cache-memory-use'] = cache_specify_spin.value.to_i * 1024
1712             end
1713             set_cache_memory_use_figure
1714         end
1715     }
1716     dialog.destroy
1717 end
1718
1719 def perform_undo
1720     if $undo_mb.sensitive?
1721         $redo_mb.sensitive = true
1722         if not more_undoes = UndoHandler.undo($statusbar)
1723             $undo_mb.sensitive = false
1724         end
1725     end
1726 end
1727
1728 def perform_redo
1729     if $redo_mb.sensitive?
1730         $undo_mb.sensitive = true
1731         if not more_redoes = UndoHandler.redo($statusbar)
1732             $redo_mb.sensitive = false
1733         end
1734     end
1735 end
1736
1737 def create_menubar    
1738     #- menu
1739     mb = Gtk::MenuBar.new
1740
1741     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1742     filesubmenu = Gtk::Menu.new
1743     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1744     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1745     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1746     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1747     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1748     filemenu.set_submenu(filesubmenu)
1749     mb.append(filemenu)
1750
1751     open.signal_connect('activate') { open_dir_popup }
1752     $execute.signal_connect('activate') { execute }
1753     quit.signal_connect('activate') { try_quit }
1754
1755     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1756     editsubmenu = Gtk::Menu.new
1757     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1758     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1759     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1760     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1761     editmenu.set_submenu(editsubmenu)
1762     mb.append(editmenu)
1763
1764     $undo_mb.signal_connect('activate') { perform_undo }
1765     $redo_mb.signal_connect('activate') { perform_redo }
1766     prefs.signal_connect('activate') { preferences }
1767     
1768     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1769     helpsubmenu = Gtk::Menu.new
1770     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1771     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1772     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1773     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1774     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1775     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1776     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1777     helpmenu.set_submenu(helpsubmenu)
1778     mb.append(helpmenu)
1779
1780     howto.signal_connect('activate') {
1781         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1782
1783 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1784 show thumbnails for all photos and videos at the bottom.
1785
1786 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1787 on thumbnails.
1788
1789 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1790 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1791 The first time you hit a key without any label associated, a popup will ask for the full
1792 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1793
1794 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1795 some of them by unchecking the labels checkboxes on the left.
1796
1797 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1798 actions according to associated labels. You can permanently remove (or not) images with
1799 the <i>to remove</i> label, and copy or move images with the labels you defined.
1800 ")), { :pos_centered => true, :not_transient => true })
1801     }
1802     speed.signal_connect('activate') {
1803         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1804
1805 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1806 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1807 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1808 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1809 <span foreground='darkblue'>Space</span>: clear any label on current image
1810 <span foreground='darkblue'>Control-z</span>: undo
1811 <span foreground='darkblue'>Control-r</span>: redo
1812 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1813
1814 Any alphabetical key will assign (or popup for) the associated label on current image.
1815 ")), { :pos_centered => true, :not_transient => true })
1816     }
1817     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1818     about.signal_connect('activate') { call_about }
1819
1820
1821     #- no toolbar, to save height
1822
1823     return mb
1824 end
1825
1826 def reset_labels
1827     for child in $labels_vbox.children
1828         $labels_vbox.remove(child)
1829     end
1830     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1831     $labels = {}
1832     $ordered_labels = []
1833     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1834     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1835     $unlabelled_button.active = true
1836     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1837     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1838     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1839     $toremove_button.active = true
1840     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1841     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1842     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1843     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1844 end
1845
1846 def reset_thumbnails
1847     $allentries = []
1848     if $preloader_running
1849         $preloader_force_exit = true
1850     end
1851     for child in $imagesline.children
1852         $imagesline.remove(child)
1853     end
1854     set_imagesline_size_request
1855 end
1856
1857 def set_imagesline_size_request
1858     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1859 end
1860
1861 def create_main_window
1862
1863     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1864     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1865
1866     mb = create_menubar
1867
1868     main_vbox = Gtk::VBox.new(false, 0)
1869     main_vbox.pack_start(mb, false, false)
1870     mainview_hbox = Gtk::HBox.new
1871     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1872     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1873     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1874     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1875     main_vbox.pack_start(mainview_hbox, true, true)
1876     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1877     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1878     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1879     main_vbox.pack_start($imagesline_sw, false, false)
1880     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1881
1882     set_imagesline_size_request
1883
1884     $main_window = create_window
1885     $main_window.add(main_vbox)
1886     $main_window.signal_connect('delete-event') {
1887         try_quit
1888     }
1889
1890     #- read/save size and position of window
1891     if $config['pos-x'] && $config['pos-y']
1892         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1893     else
1894         $main_window.window_position = Gtk::Window::POS_CENTER
1895     end
1896     msg 3, "size: #{$config['width']}x#{$config['height']}"
1897     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1898     $main_window.signal_connect('configure-event') {
1899         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1900         x, y = $main_window.window.root_origin
1901         width, height = $main_window.window.size
1902         $config['pos-x'] = x
1903         $config['pos-y'] = y
1904         $config['width'] = width
1905         $config['height'] = height
1906         false
1907     }
1908
1909     $main_window.show_all
1910     $loading_progressbar.hide
1911 end
1912
1913
1914 handle_options
1915 read_config
1916 Gtk.init
1917
1918
1919 create_main_window
1920 check_config
1921
1922 if ARGV[0]
1923     if msg = open_dir(*ARGV)
1924         puts msg
1925     else
1926         Gtk.idle_add {
1927             show_entries($allentries)
1928             false
1929         }
1930     end
1931 end
1932 Gtk.main
1933
1934 write_config