config may be a local thing..
[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) 2004-2008 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) 2005-2008 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     browser_binary = $config['browser'].split.first
165     if browser_binary && ! File.executable?(browser_binary)
166         show_popup($main_window, utf8(_("The configured browser seems to be unavailable.
167 You should fix this in Edit/Preferences so that you can open URLs.
168
169 Problem was: '%s' is not an executable file.") % browser_binary), { :pos_centered => true, :not_transient => true })
170     end
171 end
172
173 def write_config
174     ios = File.open($config_file, "w")
175     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
176     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
177     $config.each_pair { |key, value|
178         elem = $xmldoc.root.add_element key
179         if value.is_a? Hash
180             $config[key].each_pair { |subkey, subvalue|
181                 subelem = elem.add_element subkey
182                 subelem.add_text subvalue.to_s
183             }
184         elsif value.is_a? Array
185             elem.add_text value.join('~~~')
186         else
187             if !value
188                 elem.remove
189             else
190                 elem.add_text value.to_s
191             end
192         end
193     }
194     $xmldoc.write(ios, 0)
195     ios.close
196 end
197
198 def save_undo(name, closure, *params)
199     UndoHandler.save_undo(name, closure, [ *params ])
200     $undo_mb.sensitive = true
201     $redo_mb.sensitive = false
202 end
203
204 def get_mem
205     IO.readlines('/proc/self/status').join =~ /VmRSS.*?(\d+)\s*kB/
206     msg 3, "RSS: #{$1}"
207     return $1.to_i
208 end
209
210 def show_mem(*txt)
211     txt.length > 0 and print txt[0]
212     msg 2, "RSS: #{get_mem}"
213 end
214
215 class Gdk::Color
216     def darker
217         color = dup
218         color.red = [ color.red - 10000, 0 ].max
219         color.green = [ color.green - 10000, 0 ].max
220         color.blue = [ color.blue - 10000, 0 ].max
221         return color
222     end
223     def lighter
224         color = dup
225         color.red = [ color.red + 10000, 65535 ].min
226         color.green = [ color.green + 10000, 65535 ].min
227         color.blue = [ color.blue + 10000, 65535 ].min
228         return color
229     end
230 end
231
232 $color_red = Gdk::Color.new(65535, 0, 0)
233 $colors = [ Gdk::Color.new(0, 65535, 0),
234             Gdk::Color.new(0, 0, 65535),
235             Gdk::Color.new(65535, 65535, 0),
236             Gdk::Color.new(0, 65535, 65535),
237             Gdk::Color.new(65535, 0, 65535) ]
238
239 class Label
240     attr_accessor :color, :name, :button
241     def initialize(name)
242         @name = name
243     end
244 end
245
246 class Entry
247     @@max_width = nil
248     def Entry.thumbnails_height
249         return $config['thumbnails-height'].to_i
250     end
251
252     attr_accessor :path, :guipath, :type, :angle, :button, :image, :alignment, :removed, :labeled
253
254     def initialize(path, type, guipath)
255         @path = path
256         @type = type
257         @guipath = guipath
258         if @@max_width.nil?
259             @@max_width = $main_window.root_window.size[0] - $labels_vbox.allocation.width - ( $videoborder_pixbuf.width + MainView.borders_thickness) * 2
260         end
261     end
262
263     def pixbuf_full
264         if @pixbuf_full.nil?
265             msg 3, ">>> pixbuf_full #{path}"
266             load_into_pixbuf_full
267         end
268         return @pixbuf_full
269     end
270     def free_pixbuf_full
271         if @pixbuf_full.nil?
272             return false
273         else
274             msg 3, ">>> free_pixbuf_full #{path}"
275             @pixbuf_full = nil
276             return true
277         end
278     end
279     def pixbuf_main(interruptable)
280         width, height = $mainview.window.size 
281         width = MainView.get_usable_width(width)
282         height = MainView.get_usable_height(height)
283         if @pixbuf_main.nil? || width != @width || height != @height
284             msg 3, ">>> pixbuf_main #{path}"
285             @width = width
286             @height = height
287             load_into_pixbuf_full(interruptable)  #- make sure it is loaded
288             if @pixbuf_full.nil?
289                 return
290             end
291             if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
292                 resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
293                 if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
294                     @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
295                 else
296                     @pixbuf_main = @pixbuf_full
297                 end
298             else
299                 resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
300                 if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
301                     @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
302                 else
303                     @pixbuf_main = @pixbuf_full
304                 end
305             end
306         end
307         return @pixbuf_main
308     end
309     def free_pixbuf_main
310         if @pixbuf_main.nil?
311             return false
312         else
313             msg 3, ">>> free_pixbuf_main #{path}"
314             @pixbuf_main = nil
315             return true
316         end
317     end
318     def pixbuf_thumbnail
319         if @pixbuf_thumbnail.nil?
320             if @pixbuf_main
321                 msg 3, ">>> pixbuf_thumbnail from main #{path}"
322                 @pixbuf_thumbnail = @pixbuf_main.scale(@pixbuf_main.width * (Entry.thumbnails_height.to_f/@pixbuf_main.height), Entry.thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
323             else
324                 msg 3, ">>> pixbuf_thumbnail from file #{path}"
325                 @pixbuf_thumbnail = load_into_pixbuf_at_size(false) { |w, h|
326                     if @angle == 0
327                         if h > Entry.thumbnails_height
328                             [ w * Entry.thumbnails_height.to_f/h, Entry.thumbnails_height ]
329                         else
330                             [ w, h ]
331                         end
332                     else
333                         if w > Entry.thumbnails_height
334                             [ Entry.thumbnails_height, h * Entry.thumbnails_height.to_f/w ]
335                         else
336                             [ w, h ]
337                         end
338                     end
339                 }
340             end
341         end
342         return @pixbuf_thumbnail
343     end
344     def free_pixbuf_thumbnail
345         if @pixbuf_thumbnail.nil?
346             return false
347         else
348             msg 3, ">>> free_pixbuf_thumbnail #{path}"
349             @pixbuf_thumbnail = nil
350             return true
351         end
352     end
353
354     def outline_color
355         if removed
356             return $color_red
357         elsif labeled
358             return labeled.color
359         else
360             return nil
361         end
362     end
363
364     def show_bg
365         if outline_color.nil?
366             button.modify_bg(Gtk::StateType::NORMAL, nil)
367             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
368             button.modify_bg(Gtk::StateType::ACTIVE, nil)
369         else
370             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
371             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
372             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
373         end
374     end
375
376     def get_beautified_name
377         if type == 'image'
378             size = get_image_size(path)
379             return _("%s (%sx%s, %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
380                                              size[:x],
381                                              size[:y],
382                                              commify(file_size(path)/1024)]
383         else
384             return _("%s (video - %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
385                                              commify(file_size(path)/1024)]
386         end
387     end
388
389     private
390     def cleanup_dir(dir)
391         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
392         Dir.delete(dir)
393     end
394
395     def load_into_pixbuf_full(interruptable)
396         if @pixbuf_full.nil?
397             msg 3, ">>> load_into_pixbuf_full #{path}"
398             @pixbuf_full = load_into_pixbuf_at_size(interruptable) { |w, h|
399                 if @angle == 0
400                     if w > @@max_width
401                         #- save memory and speedup (+35%) loading 
402                         [ w * (factor = @@max_width.to_f/w), h * factor ]
403                     else
404                         [ w, h ]
405                     end
406                 else
407                     if h > @@max_width
408                         [ w * (factor = @@max_width.to_f/h), h * factor ]
409                     else
410                         [ w, h ]
411                     end
412                 end
413             }
414         end
415     end
416
417     def load_into_pixbuf_at_size(interruptable, &specify_size)
418         pixbuf = nil
419         if @type == 'video'
420             tmp = Tempfile.new("boohclassifiertemp")
421             dest_dir = tmp.path
422             tmp.close!
423             Dir.mkdir(dest_dir)
424             orig_base = File.basename(path)
425             tmpdir = gen_video_thumbnail(path, false, 0)
426             if tmpdir.nil?
427                 return
428             end
429             image_path = "#{tmpdir}/00000001.jpg"
430         else
431             image_path = @path
432         end
433         if @angle.nil?
434             if @type == 'image'
435                 @angle = guess_rotate(image_path)
436             else
437                 @angle = 0
438             end
439         end
440         begin
441             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
442             #- if loaded pictures are several MBs large
443             loader = Gdk::PixbufLoader.new
444             loader.signal_connect('size-prepared') { |l, w, h|
445                 r = specify_size.call(w, h)
446                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
447                 loader.set_size(*specify_size.call(w, h))
448             }
449             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
450             if ! loader.load_not_freezing_ui(image_path, interruptable, id)
451                 return
452             end
453             loader.close
454             if pixbuf.nil?
455                 raise "Loaded pixbuf nil - #{path} #{image_path}"
456             end
457         rescue
458             msg 0, "Cannot load #{image_path}: #{$!}"
459             begin
460                 loader.close
461             rescue
462             end
463             return
464         ensure
465             if @type == 'video'
466                 File.delete(image_path)
467                 Dir.rmdir(tmpdir)
468             end
469         end
470         if pixbuf
471             if @angle != 0
472                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
473                 pixbuf = rotate_pixbuf(pixbuf, @angle)
474             end
475         end
476         if @type == 'video'
477             cleanup_dir(dest_dir)
478         end
479         return pixbuf
480     end
481
482     def to_s
483         @path
484     end
485 end
486
487 $allentries = []
488
489 def gc
490     start = Time.now
491     GC.start
492     msg 3, "GC in #{Time.now - start} s"
493 end
494
495 def free_cache(avoid)
496     i = $allentries.index($mainview.get_shown_entry)
497     return if i.nil?
498     start = Time.now
499     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
500         index = i + j
501         if i + j < $allentries.size && ! avoid.include?(i + j)
502             $allentries[i + j].free_pixbuf_full
503             $allentries[i + j].free_pixbuf_main
504         end
505         if i - j >= 0 && ! avoid.include?(i - j)
506             $allentries[i - j].free_pixbuf_full
507             $allentries[i - j].free_pixbuf_main
508         end
509     }
510     msg 3, "freeing done in #{Time.now - start} s"
511     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
512         gc
513         get_mem
514     end
515 end
516
517 def run_preloader_real
518     msg 3, "*** >> main preloading triggered..."
519     if $preloader_running
520         msg 3, "*** >>>>>> already running, return <<<<<<<<"
521         return
522     end
523     $preloader_running = true
524     if $mainview.get_shown_entry
525         if get_mem > $config['cache-memory-use-figure']
526             msg 3, "too much RSS, stopping preloading, triggering GC"
527             $preloader_running = false
528             gc
529             get_mem
530             return
531         end
532         if $config['preload-distance'].to_i == 0
533             free_cache([])
534             return
535         end
536         index = $allentries.index($mainview.get_shown_entry)
537         index_right = index
538         index_left = index
539         loaded_right = 0
540         loaded_left = 0
541         right_done = false
542         left_done = false
543         loaded = []
544         while ! right_done || ! left_done
545             if ! right_done
546                 index_right += 1
547                 while index_right < $allentries.size && ! visible($allentries[index_right])
548                     index_right += 1
549                 end
550                 if index_right == $allentries.size
551                     right_done = true
552                 else
553                     msg 3, "preloading #{$allentries[index_right].path}"
554                     $allentries[index_right].pixbuf_main(false)
555                     loaded << index_right
556                     loaded_right += 1
557                     if loaded_right == $config['preload-distance'].to_i
558                         right_done = true
559                     end
560                 end
561             end
562
563             if ! left_done
564                 index_left -= 1
565                 while index_left >= 0 && ! visible($allentries[index_left])
566                     index_left -= 1
567                 end
568                 if index_left == -1
569                     left_done = true
570                 else
571                     msg 3, "preloading #{$allentries[index_left].path}"
572                     $allentries[index_left].pixbuf_main(false)
573                     loaded << index_left
574                     loaded_left += 1
575                     if loaded_left == $config['preload-distance'].to_i
576                         left_done = true
577                     end
578                 end
579             end
580
581             #- in case just loaded another directory
582             if $preloader_force_exit
583                 $preloader_running = false
584                 $preloader_force_exit = false
585                 return
586             end
587             #- in case moved fast
588             if index != $allentries.index($mainview.get_shown_entry)
589                 msg 3, "*** >>>> moved already, rerun"
590                 $preloader_running = false
591                 run_preloader_real
592                 return
593             end
594         end
595         free_cache(loaded)
596     end
597     $preloader_running = false
598     msg 3, "*** << main preloading finished"
599 end
600
601 def run_preloader
602     if ! $preloader_allowed
603         msg 3, "*** preloader not yet allowed"
604         return
605     end
606     Gtk.timeout_add(10) {
607         run_preloader_real
608         false
609     }
610 end
611
612 class MainView < Gtk::DrawingArea
613
614     @@borders_thickness = 5
615     @@borders_length = 25
616
617     def MainView.borders_thickness
618         return @@borders_thickness
619     end
620
621     def MainView.get_usable_width(available_width)
622         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
623     end
624
625     def MainView.get_usable_height(available_height)
626         return available_height - @@borders_thickness * 2
627     end
628     
629     def initialize
630         super()
631         signal_connect('expose-event') { draw }
632         signal_connect('configure-event') { update_shown }
633     end
634
635     def try_show_entry(entry)
636         if entry && entry.button
637             if entry.button.has_focus?
638                 redraw
639             else
640                 entry.button.grab_focus
641             end
642         end
643     end
644
645     def set_shown_entry(entry)
646         t1 = Time.now
647         if entry && entry == @entry
648             return
649         end
650         if entry && ! entry.button
651             #- not loaded yet
652             return
653         end
654         @entry = entry
655         redraw
656         run_preloader
657         msg 3, "entry shown in: #{Time.now - t1} s"
658     end
659
660     def get_shown_entry
661         return @entry
662     end
663
664     def show_next_entry(entry)
665         index = $allentries.index(entry)
666         if index < $allentries.size - 1
667             index += 1
668         end
669         while index < $allentries.size - 1 && $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible?
670             index += 1
671         end
672         while $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible? && index > 0
673             index -= 1
674         end
675         if index < $allentries.size && $allentries[index] && $allentries[index].button && $allentries[index].button.visible?
676             try_show_entry($allentries[index])
677         end
678     end
679
680     def redraw
681         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
682         if ! update_shown
683             return
684         end
685         w, h = window.size
686         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
687         window.clear
688         draw
689         window.end_paint
690         Gtk.main_iteration while Gtk.events_pending?
691     end
692
693     def update_shown
694         if @entry
695             $interrupt_loading = false
696             pixbuf = @entry.pixbuf_main(true)
697             $interrupt_loading = true
698             if pixbuf
699                 @pixbuf = pixbuf
700                 width, height = window.size 
701                 @xpos = (width - @pixbuf.width)/2
702                 @ypos = (height - @pixbuf.height)/2
703                 return true
704             else
705                 return false
706             end
707         else
708             @pixbuf = nil
709             return true
710         end
711     end
712
713     def draw
714         if @pixbuf
715             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
716             if @entry && @entry.type == 'video'
717                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
718             end
719             if ! @entry.outline_color.nil?
720                 gc = Gdk::GC.new(window)
721                 colormap.alloc_color(@entry.outline_color, false, true)
722                 gc.set_foreground(@entry.outline_color)
723                 if @entry && @entry.type == 'video'
724                     xleft = @xpos - $videoborder_pixbuf.width
725                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
726                 else
727                     xleft = @xpos
728                     xright = @xpos + @pixbuf.width
729                 end
730                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
731                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
732                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
733                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
734                                                [xleft - @@borders_thickness, @ypos - 1],
735                                                [xleft - 1, @ypos - 1],
736                                                [xleft - 1, @ypos + @pixbuf.height + 1],
737                                                [xright + 1, @ypos + @pixbuf.height + 1],
738                                                [xright + 1, @ypos - 1],
739                                                [xleft - @@borders_thickness, @ypos - 1]])
740             end
741         end
742     end
743 end
744
745 def autoscroll_if_needed(button, center)
746     xpos_left = button.allocation.x
747     xpos_right = button.allocation.x + button.allocation.width
748     hadj = $imagesline_sw.hadjustment
749     current_minx_visible = hadj.value
750     current_maxx_visible = hadj.value + hadj.page_size
751     if ! center
752         if xpos_left < current_minx_visible
753             #- autoscroll left
754             newval = hadj.value - (current_minx_visible - xpos_left)
755             hadj.value = newval
756         elsif xpos_right > current_maxx_visible
757             #- autoscroll right
758             newval = hadj.value + (xpos_right - current_maxx_visible)
759             if newval > hadj.upper - hadj.page_size
760                 newval = hadj.upper - hadj.page_size
761             end
762             hadj.value = newval
763         end
764     else
765         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
766     end
767 end
768
769 def show_popup(parent, msg, *options)
770     dialog = Gtk::Dialog.new
771     if options[0]
772         options = options[0]
773     else
774         options = {}
775     end
776     if options[:title]
777         dialog.title = options[:title]
778     else
779         dialog.title = utf8(_("Booh message"))
780     end
781     lbl = Gtk::Label.new
782     if options[:nomarkup]
783         lbl.text = msg
784     else
785         lbl.markup = msg
786     end
787     if options[:centered]
788         lbl.set_justify(Gtk::Justification::CENTER)
789     end
790     if options[:selectable]
791         lbl.selectable = true
792     end
793     if options[:topwidget]
794         dialog.vbox.add(options[0][:topwidget])
795     end
796     if options[:scrolled]
797         sw = Gtk::ScrolledWindow.new(nil, nil)
798         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
799         sw.add_with_viewport(lbl)
800         dialog.vbox.add(sw)
801         dialog.set_default_size(500, 600)
802     else
803         dialog.vbox.add(lbl)
804         dialog.set_default_size(200, 120)
805     end
806     if options[:bottomwidget]
807         dialog.vbox.add(options[:bottomwidget])
808     end
809     if options[:okcancel]
810         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
811     end
812     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
813
814     if options[:pos_centered]
815         dialog.window_position = Gtk::Window::POS_CENTER
816     else
817         dialog.window_position = Gtk::Window::POS_MOUSE
818     end
819
820     if options[:linkurl]
821         linkbut = Gtk::Button.new('')
822         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
823         linkbut.signal_connect('clicked') {
824             open_url(options[0][:linkurl] + '/index.html')
825             dialog.response(Gtk::Dialog::RESPONSE_OK)
826             set_mousecursor_normal
827         }
828         linkbut.relief = Gtk::RELIEF_NONE
829         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
830         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
831         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
832     end
833
834     dialog.show_all
835
836     if options[:stuff_connector]
837         options[:stuff_connector].call({ :dialog => dialog })
838     end
839                                         
840     if !options[:not_transient]
841         dialog.transient_for = parent
842         dialog.run { |response|
843             if options[:data_getter]
844                 options[:data_getter].call
845             end
846             dialog.destroy
847             if options[:okcancel]
848                 return response == Gtk::Dialog::RESPONSE_OK
849             end
850         }
851     else
852         dialog.signal_connect('response') { dialog.destroy }
853     end
854 end
855
856 def view_entry(entry)
857     if entry.type == 'image'
858         show_popup($main_window,
859                    utf8(`exif -m '#{entry.path}'`),
860                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
861     else
862         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
863         msg 2, cmd
864         system(cmd)
865     end
866 end
867
868 def thumbnail_keypressed(entry, event)
869     if event.state & Gdk::Window::MOD1_MASK != 0
870         #- ALT pressed: Alt-Left and Alft-Right rotate
871         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
872             if event.keyval == Gdk::Keyval::GDK_Left
873                 entry.angle = (entry.angle - 90) % 360
874             else
875                 entry.angle = (entry.angle + 90) % 360
876             end
877             entry.free_pixbuf_full
878             entry.free_pixbuf_main
879             entry.free_pixbuf_thumbnail
880             $mainview.redraw
881             entry.image.pixbuf = entry.pixbuf_thumbnail
882             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
883                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
884             end
885         end
886
887     elsif event.state & Gdk::Window::CONTROL_MASK != 0
888         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
889         if event.keyval == Gdk::Keyval::GDK_z
890             perform_undo
891         end
892         if event.keyval == Gdk::Keyval::GDK_r
893             perform_redo
894         end
895         if event.keyval == Gdk::Keyval::GDK_space
896             shown = $mainview.get_shown_entry
897             shown and autoscroll_if_needed(shown.button, true)
898         end
899
900     else
901         removed_before = entry.removed
902         label_before = entry.labeled
903
904         if event.keyval == Gdk::Keyval::GDK_Delete
905             if ! FileTest.writable?(entry.path)
906                 show_popup($main_window, utf8(_("Notice: no write access to '%s', permission will be denied at execute step.") % entry.path))
907             end
908             entry.removed = true
909             entry.labeled = nil
910             entry.show_bg
911             update_visibility(entry)
912             $mainview.show_next_entry(entry)
913
914             save_undo(_("set for removal"),
915                       proc {
916                           entry.removed = removed_before
917                           entry.labeled = label_before
918                           entry.show_bg
919                           update_visibility(entry)
920                           if entry.button.visible?
921                               $mainview.try_show_entry(entry)
922                           end
923                           proc {
924                               entry.removed = true
925                               entry.labeled = nil
926                               entry.show_bg
927                               update_visibility(entry)
928                               if entry.button.visible?
929                                   $mainview.try_show_entry(entry)
930                               end
931                           }
932                       })
933
934         elsif event.keyval == Gdk::Keyval::GDK_space
935             if entry.labeled
936                 msg = _("Cleared label")
937             elsif entry.removed
938                 msg = _("Cleared set for removal")
939             end
940             entry.removed = false
941             entry.labeled = nil
942             entry.show_bg
943             $mainview.show_next_entry(entry)
944
945             save_undo(msg,
946                       proc {
947                           entry.removed = removed_before
948                           entry.labeled = label_before
949                           entry.show_bg
950                           $mainview.try_show_entry(entry)
951                           proc {
952                               entry.removed = false
953                               entry.labeled = nil
954                               entry.show_bg
955                               $mainview.try_show_entry(entry)
956                           }
957                       })
958
959         elsif event.keyval == Gdk::Keyval::GDK_Return
960             view_entry(entry)
961
962         else
963             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
964             if char =~ /^[a-zA-z0-9]$/
965                 label = $labels[char]
966                 
967                 if label.nil?
968                     vb = Gtk::VBox.new(false, 0)
969                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
970                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
971                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
972                     bt.signal_connect('color-set') { color = bt.color }
973                     text = nil
974                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
975                         while $labels.has_key?(labelentry.text[0,1])
976                             labelentry.text = labelentry.text.sub(/./, '')
977                         end
978                     }
979                     if show_popup($main_window,
980                                   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,
981                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
982                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
983                                                                        labelentry.position = -1
984                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
985                         if text.length > 0
986                             char = text[0,1]  #- in case it changed
987                             label = Label.new(text)
988                             label.color = color
989                             $labels[char] = label
990                             $ordered_labels << label
991                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
992                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
993                             label.button.active = true
994                             label.button.signal_connect('toggled') { update_all_visibilities }
995                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
996                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
997                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
998                         end
999                     end
1000                 end
1001
1002                 if label
1003                     entry.removed = false
1004                     entry.labeled = label
1005                     entry.show_bg
1006                     update_visibility(entry)
1007                     $mainview.show_next_entry(entry)
1008
1009                     save_undo(_("set label"),
1010                               proc {
1011                                   entry.removed = removed_before
1012                                   entry.labeled = label_before
1013                                   entry.show_bg
1014                                   update_visibility(entry)
1015                                   if entry.button.visible?
1016                                       $mainview.try_show_entry(entry)
1017                                   end
1018                                   proc {
1019                                       entry.removed = false
1020                                       entry.labeled = label
1021                                       entry.show_bg
1022                                       update_visibility(entry)
1023                                       if entry.button.visible?
1024                                           $mainview.try_show_entry(entry)
1025                                       end
1026                                   }
1027                               })
1028                 end
1029             end
1030         end
1031     end
1032 end
1033
1034 def sb_msg(msg)
1035     $statusbar.pop(0)
1036     if msg
1037         $statusbar.push(0, utf8(msg))
1038     end
1039 end
1040
1041 def show_entry(entry, i, tips)
1042     #- scope entry
1043     #msg 3, "showing entry #{entry}"
1044     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1045     if entry.type == 'video'
1046         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1047                                            pack_start(entry.image).
1048                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1049         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1050         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1051     else
1052         entry.button = Gtk::Button.new.add(entry.image)
1053     end
1054     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1055     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1056     entry.button.signal_connect('clicked') {
1057         shown = $mainview.get_shown_entry
1058         if shown != entry
1059             shown and shown.alignment.set(0.5, 1, 0, 0)
1060             entry.alignment.set(0.5, 0, 0, 0)
1061             autoscroll_if_needed(entry.button, false)
1062             $mainview.set_shown_entry(entry)
1063         end
1064     }
1065     entry.button.signal_connect('button-press-event') { |w, event|
1066         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1067             video_view(entry)
1068         end
1069     }
1070     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1071     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1072     if i == 0
1073         entry.button.grab_focus
1074     end
1075     update_visibility(entry)
1076     Gtk.main_iteration while Gtk.events_pending?
1077 end
1078
1079 def show_entries(allentries)
1080     sb_msg(_("Loading images..."))
1081     $loading_progressbar.fraction = 0
1082     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1083     $loading_progressbar.show
1084     t1 = Time.now
1085     total_loaded_files = 0
1086     total_loaded_size = 0
1087     i = 0
1088     tips = Gtk::Tooltips.new
1089     while i < allentries.size
1090 #        printf "%d %s\n", i, __LINE__
1091         entry = allentries[i]
1092         if i == 0
1093             loaded_pixbuf = entry.pixbuf_main(false)
1094         else
1095             loaded_pixbuf = entry.pixbuf_thumbnail
1096         end
1097         if $allentries != allentries
1098             #- loaded another directory while this one was not yet finished
1099             msg 3, "allentries differ, stopping this deprecated load"
1100             return
1101         end
1102
1103         if loaded_pixbuf
1104             show_entry(entry, i, tips)
1105             if $allentries != allentries
1106                 #- loaded another directory while this one was not yet finished
1107                 msg 3, "allentries differ, stopping this deprecated load"
1108                 return
1109             end
1110
1111             total_loaded_size += file_size(entry.path)
1112             total_loaded_files += 1
1113             i += 1
1114             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1115                 #- when we're at preload distance, beging preloading to preload distance
1116                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1117             end
1118             if i == $config['preload-distance'].to_i * 2 + 1
1119                 #- when we're after double preload distance, activate normal preloading
1120                 $preloader_allowed = true
1121             end
1122             
1123         else
1124             allentries.delete_at(i)
1125         end
1126         $loading_progressbar.fraction = i.to_f / allentries.size
1127         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1128         if $quit
1129             return
1130         end
1131     end
1132     if i <= $config['preload-distance'].to_i * 2
1133         #- not yet preloaded correctly
1134         $preloader_allowed = true
1135         run_preloader
1136     end
1137     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1138     $loading_progressbar.hide
1139     $execute.sensitive = true
1140 end
1141
1142 def reset_all
1143     reset_labels
1144     reset_thumbnails
1145     $mainview.set_shown_entry(nil)
1146     sb_msg(nil)
1147     $preloader_allowed = false
1148     $execute.sensitive = false
1149 end
1150
1151 def open_dir(*paths)
1152     #- remove visual stuff, so that user will see something is happening
1153     reset_all
1154     sb_msg(_("Scanning source directory..."))
1155     Gtk.main_iteration while Gtk.events_pending?
1156
1157     for path in paths
1158         path = File.expand_path(path.sub(%r|/$|, ''))
1159         $workingdir = path
1160         entries = []
1161         if File.directory?(path)
1162             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1163             #- validate first
1164             examined_dirs.each { |dir|
1165                 if dir =~ /'/
1166                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1167                 end
1168                 Dir.entries(dir).each { |file|
1169                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1170                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1171                     end
1172                 }
1173             }
1174             
1175             #- scan for populate second
1176             examined_dirs.each { |dir|
1177                 if File.basename(dir) =~ /^\./
1178                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1179                     next
1180                 end
1181                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1182             }
1183
1184         else
1185             entries << path
1186         end
1187
1188         if $sort_by_exif_date
1189             dates = {}
1190             entries.each { |file|
1191                 date_time = Exif.datetimeoriginal(file)
1192                 if ! date_time.nil?
1193                     dates[file] = date_time
1194                 end
1195             }
1196             entries = smartsort(entries, dates)
1197         else
1198             entries.sort!
1199         end
1200         entries.each { |file|
1201             type = entry2type(file)
1202             if type
1203                 if File.directory?(path)
1204                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1205                 else
1206                     $allentries << Entry.new(file, type, file)
1207                 end
1208             end
1209         }
1210     end
1211     return nil
1212 end
1213
1214 def open_dir_popup
1215     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1216                                     nil,
1217                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1218                                     nil,
1219                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1220     fc.transient_for = $main_window
1221     if $workingdir
1222         fc.current_folder = $workingdir
1223     end
1224     ok = false
1225     load = false
1226     while !ok
1227         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1228             msg = open_dir(fc.filename)
1229             if msg
1230                 show_popup(fc, msg)
1231                 ok = false
1232             else
1233                 ok = true
1234                 load = true
1235             end
1236         else
1237             ok = true
1238         end
1239     end
1240     fc.destroy
1241     if load
1242         show_entries($allentries)
1243     end
1244 end
1245
1246 def try_quit(*options)
1247     if ! $allentries.detect { |e| e.removed || e.labeled } || show_popup($main_window,
1248                                                                          utf8(_("You have not executed the classification. Are you sure you want to quit?")),
1249                                                                          { :okcancel => true })
1250         Gtk.main_quit
1251         $quit = true
1252         return false
1253     else
1254         return true
1255     end
1256 end
1257
1258 def execute
1259     dialog = Gtk::Dialog.new
1260     dialog.title = utf8(_("Booh message"))
1261
1262     vb1 = Gtk::VBox.new(false, 5)
1263     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!")))
1264     vb1.pack_start(label, false, false)
1265
1266     lastpath = $workingdir
1267
1268     table = Gtk::Table.new(0, 0, false)
1269     table.set_row_spacings(5)
1270     table.set_column_spacings(5)
1271     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)
1272     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)
1273     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)
1274     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)
1275     add_row = proc { |row, name, color, truthproc, normal|
1276         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)),
1277                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1278         counter = 0
1279         examples = Gtk::HBox.new(false, 5)
1280         $allentries.each { |entry|
1281             if truthproc.call(entry)
1282                 counter += 1
1283                 if counter < 4
1284                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1285                     if entry.type == 'video'
1286                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1287                                                   pack_start(thumbnail).
1288                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1289                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1290                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1291                     end
1292                     examples.pack_start(thumbnail, false, false)
1293                 elsif counter == 4
1294                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1295                 end
1296             end
1297         }
1298         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1299         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1300
1301         if counter == 0
1302             return {}
1303         end
1304
1305         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1306         iter = combostore.append
1307         if normal
1308             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1309             iter[1] = utf8(_("Copy to:"))
1310             iter = combostore.append
1311             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1312             iter[1] = utf8(_("Move to:"))
1313         else
1314             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1315             iter[1] = utf8(_("Permanently remove"))
1316         end
1317         iter = combostore.append
1318         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1319         iter[1] = utf8(_("Do nothing"))
1320         combo = Gtk::ComboBox.new(combostore)
1321         combo.active = 0
1322         renderer = Gtk::CellRendererPixbuf.new
1323         combo.pack_start(renderer, false)
1324         combo.set_attributes(renderer, :pixbuf => 0)
1325         renderer = Gtk::CellRendererText.new
1326         combo.pack_start(renderer, true)
1327         combo.set_attributes(renderer, :text => 1)
1328
1329         if normal
1330             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1331             pathbutton.signal_connect('clicked') {
1332                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1333                                                 nil,
1334                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1335                                                 nil,
1336                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1337                 fc.transient_for = dialog
1338                 if lastpath
1339                     fc.current_folder = lastpath
1340                 end
1341                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1342                     pathlabel.text = fc.filename
1343                     pathlabel.set_alignment(0, 0.5)
1344                 end
1345                 lastpath = fc.filename
1346                 fc.destroy
1347             }
1348             combo.signal_connect('changed') {
1349                 pathbutton.sensitive = combo.active <= 1
1350             }
1351             vb = Gtk::VBox.new(false, 5)
1352             vb.pack_start(combo, false, false)
1353             vb.pack_start(pathbutton, false, false)
1354             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1355             { :combo => combo, :pathlabel => pathlabel }
1356         else
1357             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1358             { :combo => combo }
1359         end
1360     }
1361     stuff = {}
1362     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1363     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1364     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1365
1366     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1367     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1368     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 ]))
1369     if toremove_amount > 0
1370         vb1.pack_start(check_removal, false, false)
1371         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1372             check_removal.sensitive = widget.active == 0
1373         }
1374     end
1375
1376     dialog.vbox.add(vb1)
1377
1378     dialog.set_default_size(800, 600)
1379     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1380     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1381     dialog.window_position = Gtk::Window::POS_MOUSE
1382     dialog.transient_for = $main_window
1383
1384     dialog.show_all
1385
1386     while true
1387         dialog.run { |response|        
1388             if response == Gtk::Dialog::RESPONSE_OK
1389                 problem = false
1390                 if toremove_amount > 0 && stuff['toremove'][:combo].active == 0
1391                     if ! check_removal.active?
1392                         show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1393                         problem = true
1394                         break
1395                     end
1396                     $allentries.each { |entry|
1397                         if entry.removed
1398                             if ! FileTest.writable?(entry.path)
1399                                 show_popup(dialog, utf8(_("Sorry, permission denied to remove '%s'.") % [ entry.path ]))
1400                                 problem = true
1401                                 break
1402                             end
1403                         end
1404                     }
1405                 end
1406                 label2entries = {}
1407                 $labels.values.each { |label| label2entries[label] = [] }
1408                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1409                 stuff.keys.each { |key|
1410                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1411                         destination = stuff[key][:pathlabel].text
1412                         if destination[0] != ?/
1413                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1414                             problem = true
1415                             break
1416                         end
1417                         begin
1418                             Dir.mkdir(destination)
1419                         rescue Errno::EEXIST
1420                         end
1421                         begin
1422                             st = File.stat(destination)
1423                         rescue
1424                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1425                             problem = true
1426                             break
1427                         end
1428                         if ! st.directory? || ! st.writable?
1429                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1430                             problem = true
1431                             break
1432                         end
1433                         label2entries[key].each { |entry|
1434                             begin
1435                                 File.stat(File.join(destination, File.basename(entry.path)))
1436                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1437                                 problem = true
1438                                 break
1439                             rescue
1440                             end
1441                         }
1442                         if stuff[key][:combo].active == 1
1443                             label2entries[key].each { |entry|
1444                                 if ! FileTest.writable?(entry.path)
1445                                     show_popup(dialog, utf8(_("Sorry, permission denied to move '%s'.") % [ entry.path ]))
1446                                     problem = true
1447                                     break
1448                                 end
1449                             }
1450                         end
1451                         if problem
1452                             break
1453                         end
1454                     end
1455                 }
1456                 if ! problem
1457                     begin
1458                         moved = 0
1459                         copied = 0
1460                         stuff.keys.each { |key|
1461                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1462                                 destination = stuff[key][:pathlabel].text
1463                                 label2entries[key].each { |entry|
1464                                     if stuff[key][:combo].active == 0
1465                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1466                                         copied += 1
1467                                     elsif stuff[key][:combo].active == 1
1468                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1469                                         moved += 1
1470                                     end
1471                                 }
1472                             end
1473                         }
1474                         removed = 0
1475                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1476                             $allentries.each { |entry|
1477                                 if entry.removed
1478                                     File.delete(entry.path)
1479                                     removed += 1
1480                                 end
1481                             }
1482                         end
1483                     rescue
1484                         msg 1, "woops: #{$!}"
1485                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1486                     end
1487                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1488                     dialog.destroy
1489                     reset_all
1490                     return
1491                 end
1492
1493             else
1494                 dialog.destroy
1495                 return
1496             end
1497         }
1498     end
1499 end
1500
1501 def visible(entry)
1502     if ! entry
1503         #- just "executed"
1504         return
1505     end
1506     if ! entry.button
1507         #- not yet loaded
1508         return
1509     end
1510     if entry.labeled
1511         if entry.labeled.button.active?
1512             return true
1513         else
1514             return false
1515         end
1516     elsif entry.removed
1517         if $toremove_button.active?
1518             return true
1519         else
1520             return false
1521         end
1522     else
1523         if $unlabelled_button.active?
1524             return true
1525         else
1526             return false
1527         end
1528     end
1529 end
1530
1531 def update_visibility(entry)
1532     v = visible(entry)
1533     if v.nil?
1534         return
1535     end
1536     if v
1537         entry.button.show
1538     else
1539         entry.button.hide
1540     end
1541 end
1542         
1543 def update_all_visibilities_aux
1544     $allentries.each { |entry|
1545         update_visibility(entry)
1546     }
1547     shown = $mainview.get_shown_entry
1548     shown or return
1549     while shown.button && ! shown.button.visible? && shown != $allentries.last
1550         shown = $allentries[$allentries.index(shown) + 1]
1551     end 
1552     if shown.button && shown.button.visible?
1553         shown.button.grab_focus
1554         return
1555     end
1556     $allentries.reverse.each { |entry|
1557         if entry.button && entry.button.visible?
1558             entry.button.grab_focus
1559             return
1560         end
1561     }
1562 end
1563
1564 def update_all_visibilities
1565     update_all_visibilities_aux
1566     Gtk.main_iteration while Gtk.events_pending?
1567     shown = $mainview.get_shown_entry
1568     shown and autoscroll_if_needed(shown.button, false)
1569 end
1570
1571
1572 def preferences
1573     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1574                              $main_window,
1575                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1576                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1577                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1578
1579     tooltips = Gtk::Tooltips.new
1580
1581     table_y = 0
1582
1583     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1584     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1585                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1586     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1587                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1588     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1589
1590     table_y += 1
1591     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1592                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1593     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1594                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1595     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1596
1597     table_y += 1
1598     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1599                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1600     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1601                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1602     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1603
1604     table_y += 1
1605     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1606                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1607     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)),
1608                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1609     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1610
1611     table_y += 1
1612     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1613                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1614     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1615                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1616     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1617                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1618                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1619     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1620     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1621     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1622                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1623                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1624     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1625     cache_memfree_radio.signal_connect('toggled') {
1626         if cache_memfree_radio.active?
1627             cache_memfree_label.sensitive = true
1628             cache_specify_label.sensitive = false
1629         else
1630             cache_specify_label.sensitive = true
1631             cache_memfree_label.sensitive = false
1632         end
1633     }
1634     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1635     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1636         cache_memfree_spin.value = $1.to_i
1637     else
1638         cache_specify_spin.value = $config['cache-memory-use'].to_i / 1024
1639     end
1640
1641     table_y += 1
1642     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1643                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1644     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1645     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1646
1647     dialog.vbox.show_all
1648     dialog.run { |response|
1649         if response == Gtk::Dialog::RESPONSE_OK
1650             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1651             $config['browser'] = from_utf8(browser_entry.text)
1652             $config['thumbnails-height'] = thumbnails_height.value
1653             $config['preload-distance'] = preload_distance.value
1654             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1655             if cache_memfree_radio.active?
1656                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1657             else
1658                 $config['cache-memory-use'] = cache_specify_spin.value.to_i * 1024
1659             end
1660             set_cache_memory_use_figure
1661         end
1662     }
1663     dialog.destroy
1664 end
1665
1666 def perform_undo
1667     if $undo_mb.sensitive?
1668         $redo_mb.sensitive = true
1669         if not more_undoes = UndoHandler.undo($statusbar)
1670             $undo_mb.sensitive = false
1671         end
1672     end
1673 end
1674
1675 def perform_redo
1676     if $redo_mb.sensitive?
1677         $undo_mb.sensitive = true
1678         if not more_redoes = UndoHandler.redo($statusbar)
1679             $redo_mb.sensitive = false
1680         end
1681     end
1682 end
1683
1684 def create_menubar    
1685     #- menu
1686     mb = Gtk::MenuBar.new
1687
1688     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1689     filesubmenu = Gtk::Menu.new
1690     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1691     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1692     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1693     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1694     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1695     filemenu.set_submenu(filesubmenu)
1696     mb.append(filemenu)
1697
1698     open.signal_connect('activate') { open_dir_popup }
1699     $execute.signal_connect('activate') { execute }
1700     quit.signal_connect('activate') { try_quit }
1701
1702     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1703     editsubmenu = Gtk::Menu.new
1704     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1705     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1706     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1707     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1708     editmenu.set_submenu(editsubmenu)
1709     mb.append(editmenu)
1710
1711     $undo_mb.signal_connect('activate') { perform_undo }
1712     $redo_mb.signal_connect('activate') { perform_redo }
1713     prefs.signal_connect('activate') { preferences }
1714     
1715     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1716     helpsubmenu = Gtk::Menu.new
1717     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1718     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1719     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1720     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1721     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1722     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1723     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1724     helpmenu.set_submenu(helpsubmenu)
1725     mb.append(helpmenu)
1726
1727     howto.signal_connect('activate') {
1728         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1729
1730 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1731 show thumbnails for all photos and videos at the bottom.
1732
1733 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1734 on thumbnails.
1735
1736 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1737 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1738 The first time you hit a key without any label associated, a popup will ask for the full
1739 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1740
1741 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1742 some of them by unchecking the labels checkboxes on the left.
1743
1744 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1745 actions according to associated labels. You can permanently remove (or not) images with
1746 the <i>to remove</i> label, and copy or move images with the labels you defined.
1747 ")), { :pos_centered => true, :not_transient => true })
1748     }
1749     speed.signal_connect('activate') {
1750         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1751
1752 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1753 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1754 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1755 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1756 <span foreground='darkblue'>Space</span>: clear any label on current image
1757 <span foreground='darkblue'>Control-z</span>: undo
1758 <span foreground='darkblue'>Control-r</span>: redo
1759 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1760
1761 Any alphabetical key will assign (or popup for) the associated label on current image.
1762 ")), { :pos_centered => true, :not_transient => true })
1763     }
1764     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1765     about.signal_connect('activate') { call_about }
1766
1767
1768     #- no toolbar, to save height
1769
1770     return mb
1771 end
1772
1773 def reset_labels
1774     for child in $labels_vbox.children
1775         $labels_vbox.remove(child)
1776     end
1777     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1778     $labels = {}
1779     $ordered_labels = []
1780     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1781     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1782     $unlabelled_button.active = true
1783     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1784     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1785     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1786     $toremove_button.active = true
1787     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1788     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1789     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1790     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1791 end
1792
1793 def reset_thumbnails
1794     $allentries = []
1795     if $preloader_running
1796         $preloader_force_exit = true
1797     end
1798     for child in $imagesline.children
1799         $imagesline.remove(child)
1800     end
1801     set_imagesline_size_request
1802 end
1803
1804 def set_imagesline_size_request
1805     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1806 end
1807
1808 def create_main_window
1809
1810     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1811     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1812
1813     mb = create_menubar
1814
1815     main_vbox = Gtk::VBox.new(false, 0)
1816     main_vbox.pack_start(mb, false, false)
1817     mainview_hbox = Gtk::HBox.new
1818     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1819     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1820     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1821     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1822     main_vbox.pack_start(mainview_hbox, true, true)
1823     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1824     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1825     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1826     main_vbox.pack_start($imagesline_sw, false, false)
1827     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1828
1829     set_imagesline_size_request
1830
1831     $main_window = create_window
1832     $main_window.add(main_vbox)
1833     $main_window.signal_connect('delete-event') {
1834         try_quit
1835     }
1836
1837     #- read/save size and position of window
1838     if $config['pos-x'] && $config['pos-y']
1839         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1840     else
1841         $main_window.window_position = Gtk::Window::POS_CENTER
1842     end
1843     msg 3, "size: #{$config['width']}x#{$config['height']}"
1844     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1845     $main_window.signal_connect('configure-event') {
1846         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1847         x, y = $main_window.window.root_origin
1848         width, height = $main_window.window.size
1849         $config['pos-x'] = x
1850         $config['pos-y'] = y
1851         $config['width'] = width
1852         $config['height'] = height
1853         false
1854     }
1855
1856     $main_window.show_all
1857     $loading_progressbar.hide
1858 end
1859
1860
1861 handle_options
1862 read_config
1863 Gtk.init
1864
1865
1866 create_main_window
1867 check_config
1868
1869 if ARGV[0]
1870     if msg = open_dir(*ARGV)
1871         puts msg
1872     else
1873         Gtk.idle_add {
1874             show_entries($allentries)
1875             false
1876         }
1877     end
1878 end
1879 Gtk.main
1880
1881 write_config