7c3430789bef331ddb677ee87f7345e92dfb4045
[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, 0)
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             if $allentries[0] && $allentries[0].button
993                 $allentries[0].button.grab_focus
994             end
995
996         elsif event.keyval == Gdk::Keyval::GDK_End
997             if $allentries[-1] && $allentries[-1].button
998                 $allentries[-1].button.grab_focus
999             end
1000
1001         else
1002             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
1003             if char =~ /^[a-zA-z0-9]$/
1004                 label = $labels[char]
1005                 
1006                 if label.nil?
1007                     vb = Gtk::VBox.new(false, 0)
1008                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
1009                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
1010                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
1011                     bt.signal_connect('color-set') { color = bt.color }
1012                     text = nil
1013                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
1014                         while $labels.has_key?(labelentry.text[0,1])
1015                             labelentry.text = labelentry.text.sub(/./, '')
1016                         end
1017                     }
1018                     if show_popup($main_window,
1019                                   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,
1020                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
1021                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
1022                                                                        labelentry.position = -1
1023                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
1024                         if text.length > 0
1025                             char = text[0,1]  #- in case it changed
1026                             label = Label.new(text)
1027                             label.color = color
1028                             $labels[char] = label
1029                             $ordered_labels << label
1030                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
1031                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1032                             label.button.active = true
1033                             label.button.signal_connect('toggled') { update_all_visibilities }
1034                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
1035                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
1036                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
1037                         end
1038                     end
1039                 end
1040
1041                 if label
1042                     entry.removed = false
1043                     entry.labeled = label
1044                     entry.show_bg
1045                     update_visibility(entry)
1046                     $mainview.show_next_entry(entry)
1047
1048                     save_undo(_("set label"),
1049                               proc {
1050                                   entry.removed = removed_before
1051                                   entry.labeled = label_before
1052                                   entry.show_bg
1053                                   update_visibility(entry)
1054                                   if entry.button.visible?
1055                                       $mainview.try_show_entry(entry)
1056                                   end
1057                                   proc {
1058                                       entry.removed = false
1059                                       entry.labeled = label
1060                                       entry.show_bg
1061                                       update_visibility(entry)
1062                                       if entry.button.visible?
1063                                           $mainview.try_show_entry(entry)
1064                                       end
1065                                   }
1066                               })
1067                 end
1068             end
1069         end
1070     end
1071 end
1072
1073 def sb_msg(msg)
1074     $statusbar.pop(0)
1075     if msg
1076         $statusbar.push(0, utf8(msg))
1077     end
1078 end
1079
1080 def show_entry(entry, i, tips)
1081     #- scope entry
1082     #msg 3, "showing entry #{entry}"
1083     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1084     if entry.type == 'video'
1085         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1086                                            pack_start(entry.image).
1087                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1088         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1089         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1090     else
1091         entry.button = Gtk::Button.new.add(entry.image)
1092     end
1093     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1094     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1095     entry.button.signal_connect('clicked') {
1096         shown = $mainview.get_shown_entry
1097         if shown != entry
1098             shown and shown.alignment.set(0.5, 1, 0, 0)
1099             entry.alignment.set(0.5, 0, 0, 0)
1100             autoscroll_if_needed(entry.button, false)
1101             $mainview.set_shown_entry(entry)
1102         end
1103     }
1104     entry.button.signal_connect('button-press-event') { |w, event|
1105         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1106             video_view(entry)
1107         end
1108     }
1109     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1110     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1111     if i == 0
1112         entry.button.grab_focus
1113     end
1114     update_visibility(entry)
1115 end
1116
1117 def show_entries(allentries)
1118     sb_msg(_("Loading images..."))
1119     $loading_progressbar.fraction = 0
1120     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1121     $loading_progressbar.show
1122     t1 = Time.now
1123     total_loaded_files = 0
1124     total_loaded_size = 0
1125     i = 0
1126     tips = Gtk::Tooltips.new
1127     while i < allentries.size
1128         begin
1129             entry = allentries[i]
1130             if i == 0
1131                 loaded_pixbuf = entry.pixbuf_main
1132             else
1133                 loaded_pixbuf = entry.pixbuf_thumbnail
1134             end
1135         rescue InterruptedLoading
1136             redo
1137         end
1138
1139         if $allentries != allentries
1140             #- loaded another directory while this one was not yet finished
1141             msg 3, "allentries differ, stopping this deprecated load"
1142             return
1143         end
1144
1145         if loaded_pixbuf
1146             show_entry(entry, i, tips)
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             total_loaded_size += file_size(entry.path)
1154             total_loaded_files += 1
1155             i += 1
1156             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1157                 #- when we're at preload distance, begin preloading to preload distance
1158                 begin
1159                     allentries[i - $config['preload-distance'].to_i].pixbuf_main
1160                 rescue InterruptedLoading
1161                 end
1162             end
1163             if i == $config['preload-distance'].to_i * 2 + 1
1164                 #- when we're after double preload distance, activate normal preloading
1165                 $preloader_allowed = true
1166             end
1167             
1168         else
1169             allentries.delete_at(i)
1170         end
1171         $loading_progressbar.fraction = i.to_f / allentries.size
1172         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1173         if $quit
1174             return
1175         end
1176     end
1177     if i <= $config['preload-distance'].to_i * 2
1178         #- not yet preloaded correctly
1179         $preloader_allowed = true
1180         run_preloader
1181     end
1182     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1183     $loading_progressbar.hide
1184     $execute.sensitive = true
1185 end
1186
1187 def reset_all
1188     reset_labels
1189     reset_thumbnails
1190     $mainview.set_shown_entry(nil)
1191     sb_msg(nil)
1192     $preloader_allowed = false
1193     $execute.sensitive = false
1194 end
1195
1196 def open_dir(*paths)
1197     #- remove visual stuff, so that user will see something is happening
1198     reset_all
1199     sb_msg(_("Scanning source directory..."))
1200     Gtk.main_iteration while Gtk.events_pending?
1201
1202     for path in paths
1203         path = File.expand_path(path.sub(%r|/$|, ''))
1204         $workingdir = path
1205         entries = []
1206         if File.directory?(path)
1207             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1208             #- validate first
1209             examined_dirs.each { |dir|
1210                 if dir =~ /'/
1211                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1212                 end
1213                 Dir.entries(dir).each { |file|
1214                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1215                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1216                     end
1217                 }
1218             }
1219             
1220             #- scan for populate second
1221             examined_dirs.each { |dir|
1222                 if File.basename(dir) =~ /^\./
1223                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1224                     next
1225                 end
1226                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1227             }
1228
1229         else
1230             entries << path
1231         end
1232
1233         if $sort_by_exif_date
1234             dates = {}
1235             entries.each { |file|
1236                 date_time = Exif.datetimeoriginal(file)
1237                 if ! date_time.nil?
1238                     dates[file] = date_time
1239                 end
1240             }
1241             entries = smartsort(entries, dates)
1242         else
1243             entries.sort!
1244         end
1245         entries.each { |file|
1246             type = entry2type(file)
1247             if type
1248                 if File.directory?(path)
1249                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1250                 else
1251                     $allentries << Entry.new(file, type, file)
1252                 end
1253             end
1254         }
1255     end
1256     return nil
1257 end
1258
1259 def open_dir_popup
1260     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1261                                     nil,
1262                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1263                                     nil,
1264                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1265     fc.transient_for = $main_window
1266     if $workingdir
1267         fc.current_folder = $workingdir
1268     end
1269     ok = false
1270     load = false
1271     while !ok
1272         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1273             msg = open_dir(fc.filename)
1274             if msg
1275                 show_popup(fc, msg)
1276                 ok = false
1277             else
1278                 ok = true
1279                 load = true
1280             end
1281         else
1282             ok = true
1283         end
1284     end
1285     fc.destroy
1286     if load
1287         show_entries($allentries)
1288     end
1289 end
1290
1291 def try_quit(*options)
1292     if ! $allentries.detect { |e| e.removed || e.labeled } || show_popup($main_window,
1293                                                                          utf8(_("You have not executed the classification. Are you sure you want to quit?")),
1294                                                                          { :okcancel => true })
1295         Gtk.main_quit
1296         $quit = true
1297         return false
1298     else
1299         return true
1300     end
1301 end
1302
1303 def execute
1304     dialog = Gtk::Dialog.new
1305     dialog.title = utf8(_("Booh message"))
1306
1307     vb1 = Gtk::VBox.new(false, 5)
1308     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!")))
1309     vb1.pack_start(label, false, false)
1310
1311     lastpath = $workingdir
1312
1313     table = Gtk::Table.new(0, 0, false)
1314     table.set_row_spacings(5)
1315     table.set_column_spacings(5)
1316     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)
1317     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)
1318     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)
1319     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)
1320     add_row = proc { |row, name, color, truthproc, normal|
1321         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)),
1322                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1323         counter = 0
1324         examples = Gtk::HBox.new(false, 5)
1325         $allentries.each { |entry|
1326             if truthproc.call(entry)
1327                 counter += 1
1328                 if counter < 4
1329                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1330                     if entry.type == 'video'
1331                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1332                                                   pack_start(thumbnail).
1333                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1334                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1335                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1336                     end
1337                     examples.pack_start(thumbnail, false, false)
1338                 elsif counter == 4
1339                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1340                 end
1341             end
1342         }
1343         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1344         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1345
1346         if counter == 0
1347             return {}
1348         end
1349
1350         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1351         iter = combostore.append
1352         if normal
1353             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1354             iter[1] = utf8(_("Copy to:"))
1355             iter = combostore.append
1356             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1357             iter[1] = utf8(_("Move to:"))
1358         else
1359             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1360             iter[1] = utf8(_("Permanently remove"))
1361         end
1362         iter = combostore.append
1363         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1364         iter[1] = utf8(_("Do nothing"))
1365         combo = Gtk::ComboBox.new(combostore)
1366         combo.active = 0
1367         renderer = Gtk::CellRendererPixbuf.new
1368         combo.pack_start(renderer, false)
1369         combo.set_attributes(renderer, :pixbuf => 0)
1370         renderer = Gtk::CellRendererText.new
1371         combo.pack_start(renderer, true)
1372         combo.set_attributes(renderer, :text => 1)
1373
1374         if normal
1375             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1376             pathbutton.signal_connect('clicked') {
1377                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1378                                                 nil,
1379                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1380                                                 nil,
1381                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1382                 fc.transient_for = dialog
1383                 if lastpath
1384                     fc.current_folder = lastpath
1385                 end
1386                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1387                     pathlabel.text = fc.filename
1388                     pathlabel.set_alignment(0, 0.5)
1389                 end
1390                 lastpath = fc.filename
1391                 fc.destroy
1392             }
1393             combo.signal_connect('changed') {
1394                 pathbutton.sensitive = combo.active <= 1
1395             }
1396             vb = Gtk::VBox.new(false, 5)
1397             vb.pack_start(combo, false, false)
1398             vb.pack_start(pathbutton, false, false)
1399             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1400             { :combo => combo, :pathlabel => pathlabel }
1401         else
1402             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1403             { :combo => combo }
1404         end
1405     }
1406     stuff = {}
1407     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1408     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1409     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1410
1411     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1412     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1413     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 ]))
1414     if toremove_amount > 0
1415         vb1.pack_start(check_removal, false, false)
1416         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1417             check_removal.sensitive = widget.active == 0
1418         }
1419     end
1420
1421     dialog.vbox.add(vb1)
1422
1423     dialog.set_default_size(800, 600)
1424     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1425     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1426     dialog.window_position = Gtk::Window::POS_MOUSE
1427     dialog.transient_for = $main_window
1428
1429     dialog.show_all
1430
1431     while true
1432         dialog.run { |response|        
1433             if response == Gtk::Dialog::RESPONSE_OK
1434                 problem = false
1435                 if toremove_amount > 0 && stuff['toremove'][:combo].active == 0
1436                     if ! check_removal.active?
1437                         show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1438                         problem = true
1439                         break
1440                     end
1441                     $allentries.each { |entry|
1442                         if entry.removed
1443                             if ! FileTest.writable?(entry.path)
1444                                 show_popup(dialog, utf8(_("Sorry, permission denied to remove '%s'.") % [ entry.path ]))
1445                                 problem = true
1446                                 break
1447                             end
1448                         end
1449                     }
1450                 end
1451                 label2entries = {}
1452                 $labels.values.each { |label| label2entries[label] = [] }
1453                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1454                 stuff.keys.each { |key|
1455                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1456                         destination = stuff[key][:pathlabel].text
1457                         if destination[0] != ?/
1458                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1459                             problem = true
1460                             break
1461                         end
1462                         begin
1463                             Dir.mkdir(destination)
1464                         rescue Errno::EEXIST
1465                         end
1466                         begin
1467                             st = File.stat(destination)
1468                         rescue
1469                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1470                             problem = true
1471                             break
1472                         end
1473                         if ! st.directory? || ! st.writable?
1474                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1475                             problem = true
1476                             break
1477                         end
1478                         label2entries[key].each { |entry|
1479                             begin
1480                                 File.stat(File.join(destination, File.basename(entry.path)))
1481                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1482                                 problem = true
1483                                 break
1484                             rescue
1485                             end
1486                         }
1487                         if stuff[key][:combo].active == 1
1488                             label2entries[key].each { |entry|
1489                                 if ! FileTest.writable?(entry.path)
1490                                     show_popup(dialog, utf8(_("Sorry, permission denied to move '%s'.") % [ entry.path ]))
1491                                     problem = true
1492                                     break
1493                                 end
1494                             }
1495                         end
1496                         if problem
1497                             break
1498                         end
1499                     end
1500                 }
1501                 if ! problem
1502                     begin
1503                         moved = 0
1504                         copied = 0
1505                         stuff.keys.each { |key|
1506                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1507                                 destination = stuff[key][:pathlabel].text
1508                                 label2entries[key].each { |entry|
1509                                     if stuff[key][:combo].active == 0
1510                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1511                                         copied += 1
1512                                     elsif stuff[key][:combo].active == 1
1513                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1514                                         moved += 1
1515                                     end
1516                                 }
1517                             end
1518                         }
1519                         removed = 0
1520                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1521                             $allentries.each { |entry|
1522                                 if entry.removed
1523                                     File.delete(entry.path)
1524                                     removed += 1
1525                                 end
1526                             }
1527                         end
1528                     rescue
1529                         msg 1, "woops: #{$!}"
1530                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1531                     end
1532                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1533                     dialog.destroy
1534                     reset_all
1535                     return
1536                 end
1537
1538             else
1539                 dialog.destroy
1540                 return
1541             end
1542         }
1543     end
1544 end
1545
1546 def visible(entry)
1547     if ! entry
1548         #- just "executed"
1549         return
1550     end
1551     if ! entry.button
1552         #- not yet loaded
1553         return
1554     end
1555     if entry.labeled
1556         if entry.labeled.button.active?
1557             return true
1558         else
1559             return false
1560         end
1561     elsif entry.removed
1562         if $toremove_button.active?
1563             return true
1564         else
1565             return false
1566         end
1567     else
1568         if $unlabelled_button.active?
1569             return true
1570         else
1571             return false
1572         end
1573     end
1574 end
1575
1576 def update_visibility(entry)
1577     v = visible(entry)
1578     if v.nil?
1579         return
1580     end
1581     if v
1582         entry.button.show
1583     else
1584         entry.button.hide
1585     end
1586 end
1587         
1588 def update_all_visibilities_aux
1589     $allentries.each { |entry|
1590         update_visibility(entry)
1591     }
1592     shown = $mainview.get_shown_entry
1593     shown or return
1594     while shown.button && ! shown.button.visible? && shown != $allentries.last
1595         shown = $allentries[$allentries.index(shown) + 1]
1596     end 
1597     if shown.button && shown.button.visible?
1598         shown.button.grab_focus
1599         return
1600     end
1601     $allentries.reverse.each { |entry|
1602         if entry.button && entry.button.visible?
1603             entry.button.grab_focus
1604             return
1605         end
1606     }
1607 end
1608
1609 def update_all_visibilities
1610     update_all_visibilities_aux
1611     Gtk.main_iteration while Gtk.events_pending?
1612     shown = $mainview.get_shown_entry
1613     shown and autoscroll_if_needed(shown.button, false)
1614 end
1615
1616
1617 def preferences
1618     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1619                              $main_window,
1620                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1621                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1622                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1623
1624     tooltips = Gtk::Tooltips.new
1625
1626     table_y = 0
1627
1628     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1629     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1630                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1631     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1632                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1633     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1634
1635     table_y += 1
1636     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1637                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1638     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1639                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1640     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1641
1642     table_y += 1
1643     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1644                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1645     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1646                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1647     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1648
1649     table_y += 1
1650     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1651                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1652     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)),
1653                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1654     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1655
1656     table_y += 1
1657     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1658                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1659     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1660                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1661     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1662                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1663                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1664     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1665     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1666     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1667                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1668                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1669     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1670     cache_memfree_radio.signal_connect('toggled') {
1671         if cache_memfree_radio.active?
1672             cache_memfree_label.sensitive = true
1673             cache_specify_label.sensitive = false
1674         else
1675             cache_specify_label.sensitive = true
1676             cache_memfree_label.sensitive = false
1677         end
1678     }
1679     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1680     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1681         cache_memfree_spin.value = $1.to_i
1682     else
1683         cache_specify_spin.value = $config['cache-memory-use'].to_i / 1024
1684     end
1685
1686     table_y += 1
1687     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1688                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1689     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1690     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1691
1692     dialog.vbox.show_all
1693     dialog.run { |response|
1694         if response == Gtk::Dialog::RESPONSE_OK
1695             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1696             $config['browser'] = from_utf8(browser_entry.text)
1697             $config['thumbnails-height'] = thumbnails_height.value
1698             $config['preload-distance'] = preload_distance.value
1699             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1700             if cache_memfree_radio.active?
1701                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1702             else
1703                 $config['cache-memory-use'] = cache_specify_spin.value.to_i * 1024
1704             end
1705             set_cache_memory_use_figure
1706         end
1707     }
1708     dialog.destroy
1709 end
1710
1711 def perform_undo
1712     if $undo_mb.sensitive?
1713         $redo_mb.sensitive = true
1714         if not more_undoes = UndoHandler.undo($statusbar)
1715             $undo_mb.sensitive = false
1716         end
1717     end
1718 end
1719
1720 def perform_redo
1721     if $redo_mb.sensitive?
1722         $undo_mb.sensitive = true
1723         if not more_redoes = UndoHandler.redo($statusbar)
1724             $redo_mb.sensitive = false
1725         end
1726     end
1727 end
1728
1729 def create_menubar    
1730     #- menu
1731     mb = Gtk::MenuBar.new
1732
1733     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1734     filesubmenu = Gtk::Menu.new
1735     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1736     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1737     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1738     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1739     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1740     filemenu.set_submenu(filesubmenu)
1741     mb.append(filemenu)
1742
1743     open.signal_connect('activate') { open_dir_popup }
1744     $execute.signal_connect('activate') { execute }
1745     quit.signal_connect('activate') { try_quit }
1746
1747     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1748     editsubmenu = Gtk::Menu.new
1749     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1750     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1751     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1752     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1753     editmenu.set_submenu(editsubmenu)
1754     mb.append(editmenu)
1755
1756     $undo_mb.signal_connect('activate') { perform_undo }
1757     $redo_mb.signal_connect('activate') { perform_redo }
1758     prefs.signal_connect('activate') { preferences }
1759     
1760     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1761     helpsubmenu = Gtk::Menu.new
1762     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1763     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1764     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1765     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1766     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1767     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1768     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1769     helpmenu.set_submenu(helpsubmenu)
1770     mb.append(helpmenu)
1771
1772     howto.signal_connect('activate') {
1773         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1774
1775 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1776 show thumbnails for all photos and videos at the bottom.
1777
1778 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1779 on thumbnails.
1780
1781 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1782 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1783 The first time you hit a key without any label associated, a popup will ask for the full
1784 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1785
1786 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1787 some of them by unchecking the labels checkboxes on the left.
1788
1789 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1790 actions according to associated labels. You can permanently remove (or not) images with
1791 the <i>to remove</i> label, and copy or move images with the labels you defined.
1792 ")), { :pos_centered => true, :not_transient => true })
1793     }
1794     speed.signal_connect('activate') {
1795         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1796
1797 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1798 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1799 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1800 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1801 <span foreground='darkblue'>Space</span>: clear any label on current image
1802 <span foreground='darkblue'>Control-z</span>: undo
1803 <span foreground='darkblue'>Control-r</span>: redo
1804 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1805
1806 Any alphabetical key will assign (or popup for) the associated label on current image.
1807 ")), { :pos_centered => true, :not_transient => true })
1808     }
1809     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1810     about.signal_connect('activate') { call_about }
1811
1812
1813     #- no toolbar, to save height
1814
1815     return mb
1816 end
1817
1818 def reset_labels
1819     for child in $labels_vbox.children
1820         $labels_vbox.remove(child)
1821     end
1822     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1823     $labels = {}
1824     $ordered_labels = []
1825     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1826     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1827     $unlabelled_button.active = true
1828     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1829     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1830     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1831     $toremove_button.active = true
1832     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1833     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1834     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1835     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1836 end
1837
1838 def reset_thumbnails
1839     $allentries = []
1840     if $preloader_running
1841         $preloader_force_exit = true
1842     end
1843     for child in $imagesline.children
1844         $imagesline.remove(child)
1845     end
1846     set_imagesline_size_request
1847 end
1848
1849 def set_imagesline_size_request
1850     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1851 end
1852
1853 def create_main_window
1854
1855     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1856     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1857
1858     mb = create_menubar
1859
1860     main_vbox = Gtk::VBox.new(false, 0)
1861     main_vbox.pack_start(mb, false, false)
1862     mainview_hbox = Gtk::HBox.new
1863     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1864     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1865     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1866     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1867     main_vbox.pack_start(mainview_hbox, true, true)
1868     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1869     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1870     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1871     main_vbox.pack_start($imagesline_sw, false, false)
1872     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1873
1874     set_imagesline_size_request
1875
1876     $main_window = create_window
1877     $main_window.add(main_vbox)
1878     $main_window.signal_connect('delete-event') {
1879         try_quit
1880     }
1881
1882     #- read/save size and position of window
1883     if $config['pos-x'] && $config['pos-y']
1884         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1885     else
1886         $main_window.window_position = Gtk::Window::POS_CENTER
1887     end
1888     msg 3, "size: #{$config['width']}x#{$config['height']}"
1889     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1890     $main_window.signal_connect('configure-event') {
1891         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1892         x, y = $main_window.window.root_origin
1893         width, height = $main_window.window.size
1894         $config['pos-x'] = x
1895         $config['pos-y'] = y
1896         $config['width'] = width
1897         $config['height'] = height
1898         false
1899     }
1900
1901     $main_window.show_all
1902     $loading_progressbar.hide
1903 end
1904
1905
1906 handle_options
1907 read_config
1908 Gtk.init
1909
1910
1911 create_main_window
1912 check_config
1913
1914 if ARGV[0]
1915     if msg = open_dir(*ARGV)
1916         puts msg
1917     else
1918         Gtk.idle_add {
1919             show_entries($allentries)
1920             false
1921         }
1922     end
1923 end
1924 Gtk.main
1925
1926 write_config