3cc22cb37314004417794cb55191f769934d3f74
[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
44     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
45     [ '--sort-by-exif-date', '-s', GetoptLong::NO_ARGUMENT, _("Sort entries by EXIF date") ],
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 '--verbose-level'
68                 $verbose_level = arg.to_i
69
70             when '--sort-by-exif-date'
71                 $sort_by_exif_date = true
72
73             end
74         end
75     rescue
76         puts $!
77         usage
78         exit(1)
79     end
80 end
81
82 def startup_memfree
83     if $startup_memfree.nil?
84         meminfo = IO.readlines('/proc/meminfo').join
85         meminfo =~ /MemFree:.*?(\d+)/ or return -1
86         memfree = $1
87         meminfo =~ /Buffers:.*?(\d+)/ and buffers = $1
88         meminfo =~ /Cached:.*?(\d+)/ and cached = $1
89         $startup_memfree = memfree.to_i + buffers.to_i + cached.to_i
90     end
91     return $startup_memfree
92 end
93
94 def set_cache_memory_use_figure
95     
96     if $config['cache-memory-use'] =~ /memfree_(\d+)/
97         $config['cache-memory-use-figure'] = startup_memfree*$1.to_f/100
98     else
99         $config['cache-memory-use-figure'] = $config['cache-memory-use'].to_i
100     end
101     msg 2, _("Cache memory used: %s kB") % $config['cache-memory-use-figure']
102 end
103
104 def read_config
105     $config = {}
106     $config_file = File.expand_path('~/.booh-classifier-rc')
107     if File.readable?($config_file)
108         $xmldoc = REXML::Document.new(File.new($config_file))
109         $xmldoc.root.elements.each { |element|
110             txt = element.get_text
111             if txt
112                 if txt.value =~ /~~~/
113                     $config[element.name] = txt.value.split(/~~~/)
114                 else
115                     $config[element.name] = txt.value
116                 end
117             elsif element.elements.size == 0
118                 $config[element.name] = ''
119             else
120                 $config[element.name] = {}
121                 element.each { |chld|
122                     txt = chld.get_text
123                     $config[element.name][chld.name] = txt ? txt.value : nil
124                 }
125             end
126         }
127     end
128     $config['video-viewer'] ||= '/usr/bin/mplayer %f'
129     $config['browser'] ||= "/usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f"
130     $config['preload-distance'] ||= '5'
131     $config['cache-memory-use'] ||= 'memfree_80%'
132     $config['rotate-set-exif'] ||= 'true'
133     $config['thumbnails-height'] ||= '64'
134     set_cache_memory_use_figure
135 end
136
137 def check_config
138     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
139     if missing != []
140         show_popup($main_window, utf8(_("The following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')), { :pos_centered => true })
141     end
142
143     if !system("which exif >/dev/null 2>/dev/null")
144         show_popup($main_window, utf8(_("The program 'exif' is needed to view EXIF data. Please install it.")), { :pos_centered => true })
145     end
146     viewer_binary = $config['video-viewer'].split.first
147     if viewer_binary && ! File.executable?(viewer_binary)
148         show_popup($main_window, utf8(_("The configured video viewer seems to be unavailable.
149 You should fix this in Edit/Preferences so that you can view videos.
150
151 Problem was: '%s' is not an executable file.
152 Hint: don't forget to specify the full path to the executable,
153 e.g. '/usr/bin/mplayer' is correct but 'mplayer' only is not.") % viewer_binary), { :pos_centered => true, :not_transient => true })
154     end
155     browser_binary = $config['browser'].split.first
156     if browser_binary && ! File.executable?(browser_binary)
157         show_popup($main_window, utf8(_("The configured browser seems to be unavailable.
158 You should fix this in Edit/Preferences so that you can open URLs.
159
160 Problem was: '%s' is not an executable file.") % browser_binary), { :pos_centered => true, :not_transient => true })
161     end
162 end
163
164 def write_config
165     ios = File.open($config_file, "w")
166     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
167     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
168     $config.each_pair { |key, value|
169         elem = $xmldoc.root.add_element key
170         if value.is_a? Hash
171             $config[key].each_pair { |subkey, subvalue|
172                 subelem = elem.add_element subkey
173                 subelem.add_text subvalue.to_s
174             }
175         elsif value.is_a? Array
176             elem.add_text value.join('~~~')
177         else
178             if !value
179                 elem.remove
180             else
181                 elem.add_text value.to_s
182             end
183         end
184     }
185     $xmldoc.write(ios, 0)
186     ios.close
187 end
188
189 def save_undo(name, closure, *params)
190     UndoHandler.save_undo(name, closure, [ *params ])
191     $undo_mb.sensitive = true
192     $redo_mb.sensitive = false
193 end
194
195 def get_mem
196     IO.readlines('/proc/self/status').join =~ /VmRSS.*?(\d+)\s*kB/
197     msg 3, "RSS: #{$1}"
198     return $1.to_i
199 end
200
201 def show_mem(*txt)
202     txt.length > 0 and print txt[0]
203     msg 2, "RSS: #{get_mem}"
204 end
205
206 class Gdk::Color
207     def darker
208         color = dup
209         color.red = [ color.red - 10000, 0 ].max
210         color.green = [ color.green - 10000, 0 ].max
211         color.blue = [ color.blue - 10000, 0 ].max
212         return color
213     end
214     def lighter
215         color = dup
216         color.red = [ color.red + 10000, 65535 ].min
217         color.green = [ color.green + 10000, 65535 ].min
218         color.blue = [ color.blue + 10000, 65535 ].min
219         return color
220     end
221 end
222
223 $color_red = Gdk::Color.new(65535, 0, 0)
224 $colors = [ Gdk::Color.new(0, 65535, 0),
225             Gdk::Color.new(0, 0, 65535),
226             Gdk::Color.new(65535, 65535, 0),
227             Gdk::Color.new(0, 65535, 65535),
228             Gdk::Color.new(65535, 0, 65535) ]
229
230 class Label
231     attr_accessor :color, :name, :button
232     def initialize(name)
233         @name = name
234     end
235 end
236
237 class Entry
238     @@max_width = nil
239     def Entry.thumbnails_height
240         return $config['thumbnails-height'].to_i
241     end
242
243     attr_accessor :path, :guipath, :type, :angle, :button, :image, :alignment, :removed, :labeled
244
245     def initialize(path, type, guipath)
246         @path = path
247         @type = type
248         @guipath = guipath
249         if @@max_width.nil?
250             @@max_width = $main_window.root_window.size[0] - $labels_vbox.allocation.width - ( $videoborder_pixbuf.width + MainView.borders_thickness) * 2
251         end
252     end
253
254     def pixbuf_full
255         if @pixbuf_full.nil?
256             msg 3, ">>> pixbuf_full #{path}"
257             load_into_pixbuf_full
258         end
259         return @pixbuf_full
260     end
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(interruptable)
271         width, height = $mainview.window.size 
272         width = MainView.get_usable_width(width)
273         height = MainView.get_usable_height(height)
274         if @pixbuf_main.nil? || width != @width || height != @height
275             msg 3, ">>> pixbuf_main #{path}"
276             @width = width
277             @height = height
278             load_into_pixbuf_full(interruptable)  #- 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         if @pixbuf_thumbnail.nil?
311             if @pixbuf_main
312                 msg 3, ">>> pixbuf_thumbnail from main #{path}"
313                 @pixbuf_thumbnail = @pixbuf_main.scale(@pixbuf_main.width * (Entry.thumbnails_height.to_f/@pixbuf_main.height), Entry.thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
314             else
315                 msg 3, ">>> pixbuf_thumbnail from file #{path}"
316                 @pixbuf_thumbnail = load_into_pixbuf_at_size(false) { |w, h|
317                     if @angle == 0
318                         if h > Entry.thumbnails_height
319                             [ w * Entry.thumbnails_height.to_f/h, Entry.thumbnails_height ]
320                         else
321                             [ w, h ]
322                         end
323                     else
324                         if w > Entry.thumbnails_height
325                             [ Entry.thumbnails_height, h * Entry.thumbnails_height.to_f/w ]
326                         else
327                             [ w, h ]
328                         end
329                     end
330                 }
331             end
332         end
333         return @pixbuf_thumbnail
334     end
335     def free_pixbuf_thumbnail
336         if @pixbuf_thumbnail.nil?
337             return false
338         else
339             msg 3, ">>> free_pixbuf_thumbnail #{path}"
340             @pixbuf_thumbnail = nil
341             return true
342         end
343     end
344
345     def outline_color
346         if removed
347             return $color_red
348         elsif labeled
349             return labeled.color
350         else
351             return nil
352         end
353     end
354
355     def show_bg
356         if outline_color.nil?
357             button.modify_bg(Gtk::StateType::NORMAL, nil)
358             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
359             button.modify_bg(Gtk::StateType::ACTIVE, nil)
360         else
361             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
362             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
363             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
364         end
365     end
366
367     def get_beautified_name
368         if type == 'image'
369             size = get_image_size(path)
370             return _("%s (%sx%s, %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
371                                              size[:x],
372                                              size[:y],
373                                              commify(file_size(path)/1024)]
374         else
375             return _("%s (video - %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
376                                              commify(file_size(path)/1024)]
377         end
378     end
379
380     private
381     def cleanup_dir(dir)
382         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
383         Dir.delete(dir)
384     end
385
386     def load_into_pixbuf_full(interruptable)
387         if @pixbuf_full.nil?
388             msg 3, ">>> load_into_pixbuf_full #{path}"
389             @pixbuf_full = load_into_pixbuf_at_size(interruptable) { |w, h|
390                 if @angle == 0
391                     if w > @@max_width
392                         #- save memory and speedup (+35%) loading 
393                         [ w * (factor = @@max_width.to_f/w), h * factor ]
394                     else
395                         [ w, h ]
396                     end
397                 else
398                     if h > @@max_width
399                         [ w * (factor = @@max_width.to_f/h), h * factor ]
400                     else
401                         [ w, h ]
402                     end
403                 end
404             }
405         end
406     end
407
408     def load_into_pixbuf_at_size(interruptable, &specify_size)
409         pixbuf = nil
410         if @type == 'video'
411             tmp = Tempfile.new("boohclassifiertemp")
412             tmp.close!
413             Dir.mkdir(dest_dir = tmp.path)
414             orig_base = File.basename(path)
415             tmpdir = gen_video_thumbnail(path, false, 0)
416             if tmpdir.nil?
417                 return
418             end
419             image_path = "#{tmpdir}/00000001.jpg"
420         else
421             image_path = @path
422         end
423         if @angle.nil?
424             if @type == 'image'
425                 @angle = guess_rotate(image_path)
426             else
427                 @angle = 0
428             end
429         end
430         begin
431             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
432             #- if loaded pictures are several MBs large
433             loader = Gdk::PixbufLoader.new
434             loader.signal_connect('size-prepared') { |l, w, h|
435                 r = specify_size.call(w, h)
436                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
437                 loader.set_size(*specify_size.call(w, h))
438             }
439             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
440             if ! loader.load_not_freezing_ui(image_path, interruptable, id)
441                 return
442             end
443             loader.close
444             if pixbuf.nil?
445                 raise "Loaded pixbuf nil - #{path} #{image_path}"
446             end
447         rescue Gdk::PixbufError
448             msg 0, "Cannot load #{image_path}: #{$!}"
449             return
450         ensure
451             if @type == 'video'
452                 File.delete(image_path)
453                 Dir.rmdir(tmpdir)
454             end
455         end
456         if pixbuf
457             if @angle != 0
458                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
459                 pixbuf = rotate_pixbuf(pixbuf, @angle)
460             end
461         end
462         if @type == 'video'
463             cleanup_dir(dest_dir)
464         end
465         return pixbuf
466     end
467
468     def to_s
469         @path
470     end
471 end
472
473 $allentries = []
474
475 def gc
476     start = Time.now
477     GC.start
478     msg 3, "GC in #{Time.now - start} s"
479 end
480
481 def free_cache(avoid)
482     i = $allentries.index($mainview.get_shown_entry)
483     return if i.nil?
484     start = Time.now
485     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
486         index = i + j
487         if i + j < $allentries.size && ! avoid.include?(i + j)
488             $allentries[i + j].free_pixbuf_full
489             $allentries[i + j].free_pixbuf_main
490         end
491         if i - j >= 0 && ! avoid.include?(i - j)
492             $allentries[i - j].free_pixbuf_full
493             $allentries[i - j].free_pixbuf_main
494         end
495     }
496     msg 3, "freeing done in #{Time.now - start} s"
497     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
498         gc
499         get_mem
500     end
501 end
502
503 def run_preloader_real
504     msg 3, "*** >> main preloading triggered..."
505     if $preloader_running
506         msg 3, "*** >>>>>> already running, return <<<<<<<<"
507         return
508     end
509     $preloader_running = true
510     if $mainview.get_shown_entry
511         if get_mem > $config['cache-memory-use-figure']
512             msg 3, "too much RSS, stopping preloading, triggering GC"
513             $preloader_running = false
514             gc
515             get_mem
516             return
517         end
518         if $config['preload-distance'].to_i == 0
519             free_cache([])
520             return
521         end
522         index = $allentries.index($mainview.get_shown_entry)
523         index_right = index
524         index_left = index
525         loaded_right = 0
526         loaded_left = 0
527         right_done = false
528         left_done = false
529         loaded = []
530         while ! right_done || ! left_done
531             if ! right_done
532                 index_right += 1
533                 while index_right < $allentries.size && ! visible($allentries[index_right])
534                     index_right += 1
535                 end
536                 if index_right == $allentries.size
537                     right_done = true
538                 else
539                     msg 3, "preloading #{$allentries[index_right].path}"
540                     $allentries[index_right].pixbuf_main(false)
541                     loaded << index_right
542                     loaded_right += 1
543                     if loaded_right == $config['preload-distance'].to_i
544                         right_done = true
545                     end
546                 end
547             end
548
549             if ! left_done
550                 index_left -= 1
551                 while index_left >= 0 && ! visible($allentries[index_left])
552                     index_left -= 1
553                 end
554                 if index_left == -1
555                     left_done = true
556                 else
557                     msg 3, "preloading #{$allentries[index_left].path}"
558                     $allentries[index_left].pixbuf_main(false)
559                     loaded << index_left
560                     loaded_left += 1
561                     if loaded_left == $config['preload-distance'].to_i
562                         left_done = true
563                     end
564                 end
565             end
566
567             #- in case just loaded another directory
568             if $preloader_force_exit
569                 $preloader_running = false
570                 $preloader_force_exit = false
571                 return
572             end
573             #- in case moved fast
574             if index != $allentries.index($mainview.get_shown_entry)
575                 msg 3, "*** >>>> moved already, rerun"
576                 $preloader_running = false
577                 run_preloader_real
578                 return
579             end
580         end
581         free_cache(loaded)
582     end
583     $preloader_running = false
584     msg 3, "*** << main preloading finished"
585 end
586
587 def run_preloader
588     if ! $preloader_allowed
589         msg 3, "*** preloader not yet allowed"
590         return
591     end
592     Gtk.timeout_add(10) {
593         run_preloader_real
594         false
595     }
596 end
597
598 class MainView < Gtk::DrawingArea
599
600     @@borders_thickness = 5
601     @@borders_length = 25
602
603     def MainView.borders_thickness
604         return @@borders_thickness
605     end
606
607     def MainView.get_usable_width(available_width)
608         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
609     end
610
611     def MainView.get_usable_height(available_height)
612         return available_height - @@borders_thickness * 2
613     end
614     
615     def initialize
616         super()
617         signal_connect('expose-event') { draw }
618         signal_connect('configure-event') { update_shown }
619     end
620
621     def try_show_entry(entry)
622         if entry && entry.button
623             entry.button.grab_focus
624         end
625     end
626
627     def set_shown_entry(entry)
628         t1 = Time.now
629         if entry && entry == @entry
630             return
631         end
632         if entry && ! entry.button
633             #- not loaded yet
634             return
635         end
636         @entry = entry
637         redraw
638         run_preloader
639         msg 3, "entry shown in: #{Time.now - t1} s"
640     end
641
642     def get_shown_entry
643         return @entry
644     end
645
646     def show_next_entry(entry)
647         index = $allentries.index(entry)
648         if index < $allentries.size - 1
649             index += 1
650         end
651         while index < $allentries.size - 1 && $allentries[index] && ! $allentries[index].button.visible?
652             index += 1
653         end
654         while $allentries[index] && ! $allentries[index].button.visible? && index > 0
655             index -= 1
656         end
657         if index < $allentries.size && $allentries[index] && $allentries[index].button.visible?
658             try_show_entry($allentries[index])
659         end
660     end
661
662     def redraw
663         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
664         if ! update_shown
665             return
666         end
667         w, h = window.size
668         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
669         window.clear
670         draw
671         window.end_paint
672         Gtk.main_iteration while Gtk.events_pending?
673     end
674
675     def update_shown
676         if @entry
677             $interrupt_loading = false
678             pixbuf = @entry.pixbuf_main(true)
679             $interrupt_loading = true
680             if pixbuf
681                 @pixbuf = pixbuf
682                 width, height = window.size 
683                 @xpos = (width - @pixbuf.width)/2
684                 @ypos = (height - @pixbuf.height)/2
685                 return true
686             else
687                 return false
688             end
689         else
690             @pixbuf = nil
691             return true
692         end
693     end
694
695     def draw
696         if @pixbuf
697             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
698             if @entry && @entry.type == 'video'
699                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
700             end
701             if ! @entry.outline_color.nil?
702                 gc = Gdk::GC.new(window)
703                 colormap.alloc_color(@entry.outline_color, false, true)
704                 gc.set_foreground(@entry.outline_color)
705                 if @entry && @entry.type == 'video'
706                     xleft = @xpos - $videoborder_pixbuf.width
707                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
708                 else
709                     xleft = @xpos
710                     xright = @xpos + @pixbuf.width
711                 end
712                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
713                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
714                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
715                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
716                                                [xleft - @@borders_thickness, @ypos - 1],
717                                                [xleft - 1, @ypos - 1],
718                                                [xleft - 1, @ypos + @pixbuf.height + 1],
719                                                [xright + 1, @ypos + @pixbuf.height + 1],
720                                                [xright + 1, @ypos - 1],
721                                                [xleft - @@borders_thickness, @ypos - 1]])
722             end
723         end
724     end
725 end
726
727 def autoscroll_if_needed(button, center)
728     xpos_left = button.allocation.x
729     xpos_right = button.allocation.x + button.allocation.width
730     hadj = $imagesline_sw.hadjustment
731     current_minx_visible = hadj.value
732     current_maxx_visible = hadj.value + hadj.page_size
733     if ! center
734         if xpos_left < current_minx_visible
735             #- autoscroll left
736             newval = hadj.value - (current_minx_visible - xpos_left)
737             hadj.value = newval
738         elsif xpos_right > current_maxx_visible
739             #- autoscroll right
740             newval = hadj.value + (xpos_right - current_maxx_visible)
741             if newval > hadj.upper - hadj.page_size
742                 newval = hadj.upper - hadj.page_size
743             end
744             hadj.value = newval
745         end
746     else
747         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
748     end
749 end
750
751 def show_popup(parent, msg, *options)
752     dialog = Gtk::Dialog.new
753     if options[0]
754         options = options[0]
755     else
756         options = {}
757     end
758     if options[:title]
759         dialog.title = options[:title]
760     else
761         dialog.title = utf8(_("Booh message"))
762     end
763     lbl = Gtk::Label.new
764     if options[:nomarkup]
765         lbl.text = msg
766     else
767         lbl.markup = msg
768     end
769     if options[:centered]
770         lbl.set_justify(Gtk::Justification::CENTER)
771     end
772     if options[:selectable]
773         lbl.selectable = true
774     end
775     if options[:topwidget]
776         dialog.vbox.add(options[0][:topwidget])
777     end
778     if options[:scrolled]
779         sw = Gtk::ScrolledWindow.new(nil, nil)
780         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
781         sw.add_with_viewport(lbl)
782         dialog.vbox.add(sw)
783         dialog.set_default_size(500, 600)
784     else
785         dialog.vbox.add(lbl)
786         dialog.set_default_size(200, 120)
787     end
788     if options[:bottomwidget]
789         dialog.vbox.add(options[:bottomwidget])
790     end
791     if options[:okcancel]
792         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
793     end
794     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
795
796     if options[:pos_centered]
797         dialog.window_position = Gtk::Window::POS_CENTER
798     else
799         dialog.window_position = Gtk::Window::POS_MOUSE
800     end
801
802     if options[:linkurl]
803         linkbut = Gtk::Button.new('')
804         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
805         linkbut.signal_connect('clicked') {
806             open_url(options[0][:linkurl] + '/index.html')
807             dialog.response(Gtk::Dialog::RESPONSE_OK)
808             set_mousecursor_normal
809         }
810         linkbut.relief = Gtk::RELIEF_NONE
811         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
812         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
813         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
814     end
815
816     dialog.show_all
817
818     if options[:stuff_connector]
819         options[:stuff_connector].call({ :dialog => dialog })
820     end
821                                         
822     if !options[:not_transient]
823         dialog.transient_for = parent
824         dialog.run { |response|
825             if options[:data_getter]
826                 options[:data_getter].call
827             end
828             dialog.destroy
829             if options[:okcancel]
830                 return response == Gtk::Dialog::RESPONSE_OK
831             end
832         }
833     else
834         dialog.signal_connect('response') { dialog.destroy }
835     end
836 end
837
838 def view_entry(entry)
839     if entry.type == 'image'
840         show_popup($main_window,
841                    utf8(`exif -m '#{entry.path}'`),
842                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
843     else
844         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
845         msg 2, cmd
846         system(cmd)
847     end
848 end
849
850 def thumbnail_keypressed(entry, event)
851     if event.state & Gdk::Window::MOD1_MASK != 0
852         #- ALT pressed: Alt-Left and Alft-Right rotate
853         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
854             if event.keyval == Gdk::Keyval::GDK_Left
855                 entry.angle = (entry.angle - 90) % 360
856             else
857                 entry.angle = (entry.angle + 90) % 360
858             end
859             entry.free_pixbuf_full
860             entry.free_pixbuf_main
861             entry.free_pixbuf_thumbnail
862             $mainview.redraw
863             entry.image.pixbuf = entry.pixbuf_thumbnail
864             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
865                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
866             end
867         end
868
869     elsif event.state & Gdk::Window::CONTROL_MASK != 0
870         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
871         if event.keyval == Gdk::Keyval::GDK_z
872             perform_undo
873         end
874         if event.keyval == Gdk::Keyval::GDK_r
875             perform_redo
876         end
877         if event.keyval == Gdk::Keyval::GDK_space
878             shown = $mainview.get_shown_entry
879             shown and autoscroll_if_needed(shown.button, true)
880         end
881
882     else
883         removed_before = entry.removed
884         label_before = entry.labeled
885
886         if event.keyval == Gdk::Keyval::GDK_Delete
887             entry.removed = true
888             entry.labeled = nil
889             entry.show_bg
890             update_visibility(entry)
891             $mainview.show_next_entry(entry)
892
893             save_undo(_("set for removal"),
894                       proc {
895                           entry.removed = removed_before
896                           entry.labeled = label_before
897                           entry.show_bg
898                           update_visibility(entry)
899                           if entry.button.visible?
900                               $mainview.try_show_entry(entry)
901                           end
902                           proc {
903                               entry.removed = true
904                               entry.labeled = nil
905                               entry.show_bg
906                               update_visibility(entry)
907                               if entry.button.visible?
908                                   $mainview.try_show_entry(entry)
909                               end
910                           }
911                       })
912
913         elsif event.keyval == Gdk::Keyval::GDK_space
914             if entry.labeled
915                 msg = _("Cleared label")
916             elsif entry.removed
917                 msg = _("Cleared set for removal")
918             end
919             entry.removed = false
920             entry.labeled = nil
921             entry.show_bg
922             $mainview.show_next_entry(entry)
923
924             save_undo(msg,
925                       proc {
926                           entry.removed = removed_before
927                           entry.labeled = label_before
928                           entry.show_bg
929                           $mainview.try_show_entry(entry)
930                           proc {
931                               entry.removed = false
932                               entry.labeled = nil
933                               entry.show_bg
934                               $mainview.try_show_entry(entry)
935                           }
936                       })
937
938         elsif event.keyval == Gdk::Keyval::GDK_Return
939             view_entry(entry)
940
941         else
942             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
943             if char =~ /^[a-zA-z0-9]$/
944                 label = $labels[char]
945                 
946                 if label.nil?
947                     vb = Gtk::VBox.new(false, 0)
948                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
949                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
950                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
951                     bt.signal_connect('color-set') { color = bt.color }
952                     text = nil
953                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
954                         while $labels.has_key?(labelentry.text[0,1])
955                             labelentry.text = labelentry.text.sub(/./, '')
956                         end
957                     }
958                     if show_popup($main_window,
959                                   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,
960                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
961                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
962                                                                        labelentry.position = -1
963                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
964                         if text.length > 0
965                             char = text[0,1]  #- in case it changed
966                             label = Label.new(text)
967                             label.color = color
968                             $labels[char] = label
969                             $ordered_labels << label
970                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
971                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
972                             label.button.active = true
973                             label.button.signal_connect('toggled') { update_all_visibilities }
974                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
975                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
976                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
977                         end
978                     end
979                 end
980
981                 if label
982                     entry.removed = false
983                     entry.labeled = label
984                     entry.show_bg
985                     update_visibility(entry)
986                     $mainview.show_next_entry(entry)
987
988                     save_undo(_("set label"),
989                               proc {
990                                   entry.removed = removed_before
991                                   entry.labeled = label_before
992                                   entry.show_bg
993                                   update_visibility(entry)
994                                   if entry.button.visible?
995                                       $mainview.try_show_entry(entry)
996                                   end
997                                   proc {
998                                       entry.removed = false
999                                       entry.labeled = label
1000                                       entry.show_bg
1001                                       update_visibility(entry)
1002                                       if entry.button.visible?
1003                                           $mainview.try_show_entry(entry)
1004                                       end
1005                                   }
1006                               })
1007                 end
1008             end
1009         end
1010     end
1011 end
1012
1013 def sb_msg(msg)
1014     $statusbar.pop(0)
1015     if msg
1016         $statusbar.push(0, utf8(msg))
1017     end
1018 end
1019
1020 def show_entry(entry, i, tips)
1021     #- scope entry
1022     #msg 3, "showing entry #{entry}"
1023     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1024     if entry.type == 'video'
1025         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1026                                            pack_start(entry.image).
1027                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1028         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1029         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1030     else
1031         entry.button = Gtk::Button.new.add(entry.image)
1032     end
1033     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1034     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1035     entry.button.signal_connect('clicked') {
1036         shown = $mainview.get_shown_entry
1037         if shown != entry
1038             shown and shown.alignment.set(0.5, 1, 0, 0)
1039             entry.alignment.set(0.5, 0, 0, 0)
1040             autoscroll_if_needed(entry.button, false)
1041             $mainview.set_shown_entry(entry)
1042         end
1043     }
1044     entry.button.signal_connect('button-press-event') { |w, event|
1045         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1046             video_view(entry)
1047         end
1048     }
1049     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1050     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1051     if i == 0
1052         entry.button.grab_focus
1053     end
1054     update_visibility(entry)
1055     Gtk.main_iteration while Gtk.events_pending?
1056 end
1057
1058 def show_entries(allentries)
1059     sb_msg(_("Loading images..."))
1060     $loading_progressbar.fraction = 0
1061     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1062     $loading_progressbar.show
1063     t1 = Time.now
1064     total_loaded_files = 0
1065     total_loaded_size = 0
1066     i = 0
1067     tips = Gtk::Tooltips.new
1068     while i < allentries.size
1069 #        printf "%d %s\n", i, __LINE__
1070         entry = allentries[i]
1071         if i == 0
1072             loaded_pixbuf = entry.pixbuf_main(false)
1073         else
1074             loaded_pixbuf = entry.pixbuf_thumbnail
1075         end
1076         if $allentries != allentries
1077             #- loaded another directory while this one was not yet finished
1078             msg 3, "allentries differ, stopping this deprecated load"
1079             return
1080         end
1081
1082         if loaded_pixbuf
1083             show_entry(entry, i, tips)
1084             if $allentries != allentries
1085                 #- loaded another directory while this one was not yet finished
1086                 msg 3, "allentries differ, stopping this deprecated load"
1087                 return
1088             end
1089
1090             total_loaded_size += file_size(entry.path)
1091             total_loaded_files += 1
1092             i += 1
1093             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1094                 #- when we're at preload distance, beging preloading to preload distance
1095                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1096             end
1097             if i == $config['preload-distance'].to_i * 2 + 1
1098                 #- when we're after double preload distance, activate normal preloading
1099                 $preloader_allowed = true
1100             end
1101             
1102         else
1103             allentries.delete_at(i)
1104         end
1105         $loading_progressbar.fraction = i.to_f / allentries.size
1106         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1107         if $quit
1108             return
1109         end
1110     end
1111     if i <= $config['preload-distance'].to_i * 2
1112         #- not yet preloaded correctly
1113         $preloader_allowed = true
1114         run_preloader
1115     end
1116     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1117     $loading_progressbar.hide
1118     $execute.sensitive = true
1119 end
1120
1121 def reset_all
1122     reset_labels
1123     reset_thumbnails
1124     $mainview.set_shown_entry(nil)
1125     sb_msg(nil)
1126     $preloader_allowed = false
1127     $execute.sensitive = false
1128 end
1129
1130 def open_dir(*paths)
1131     #- remove visual stuff, so that user will see something is happening
1132     reset_all
1133     sb_msg(_("Scanning source directory..."))
1134     Gtk.main_iteration while Gtk.events_pending?
1135
1136     for path in paths
1137         path = File.expand_path(path.sub(%r|/$|, ''))
1138         $workingdir = path
1139         entries = []
1140         if File.directory?(path)
1141             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1142             #- validate first
1143             examined_dirs.each { |dir|
1144                 if dir =~ /'/
1145                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1146                 end
1147                 Dir.entries(dir).each { |file|
1148                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1149                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1150                     end
1151                 }
1152             }
1153             
1154             #- scan for populate second
1155             examined_dirs.each { |dir|
1156                 if File.basename(dir) =~ /^\./
1157                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1158                     next
1159                 end
1160                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1161             }
1162
1163         else
1164             entries << path
1165         end
1166
1167         if $sort_by_exif_date
1168             dates = {}
1169             entries.each { |file|
1170                 date_time = Exif.datetimeoriginal(file)
1171                 if ! date_time.nil?
1172                     dates[file] = date_time
1173                 end
1174             }
1175             entries = smartsort(entries, dates)
1176         else
1177             entries.sort!
1178         end
1179         entries.each { |file|
1180             type = entry2type(file)
1181             if type
1182                 if File.directory?(path)
1183                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1184                 else
1185                     $allentries << Entry.new(file, type, file)
1186                 end
1187             end
1188         }
1189     end
1190     return nil
1191 end
1192
1193 def open_dir_popup
1194     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1195                                     nil,
1196                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1197                                     nil,
1198                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1199     fc.transient_for = $main_window
1200     if $workingdir
1201         fc.current_folder = $workingdir
1202     end
1203     ok = false
1204     load = false
1205     while !ok
1206         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1207             msg = open_dir(fc.filename)
1208             if msg
1209                 show_popup(fc, msg)
1210                 ok = false
1211             else
1212                 ok = true
1213                 load = true
1214             end
1215         else
1216             ok = true
1217         end
1218     end
1219     fc.destroy
1220     if load
1221         show_entries($allentries)
1222     end
1223 end
1224
1225 def try_quit(*options)
1226     if ! $allentries.detect { |e| e.removed || e.labeled } ||
1227        show_popup($main_window,
1228                   utf8(_("Are you sure you want to quit?")),
1229                   { :okcancel => true })
1230         Gtk.main_quit
1231         $quit = true
1232     end
1233 end
1234
1235 def execute
1236     dialog = Gtk::Dialog.new
1237     dialog.title = utf8(_("Booh message"))
1238
1239     vb1 = Gtk::VBox.new(false, 5)
1240     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!")))
1241     vb1.pack_start(label, false, false)
1242
1243     lastpath = $workingdir
1244
1245     table = Gtk::Table.new(0, 0, false)
1246     table.set_row_spacings(5)
1247     table.set_column_spacings(5)
1248     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)
1249     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)
1250     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)
1251     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)
1252     add_row = proc { |row, name, color, truthproc, normal|
1253         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)),
1254                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1255         counter = 0
1256         examples = Gtk::HBox.new(false, 5)
1257         $allentries.each { |entry|
1258             if truthproc.call(entry)
1259                 counter += 1
1260                 if counter < 4
1261                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1262                     if entry.type == 'video'
1263                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1264                                                   pack_start(thumbnail).
1265                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1266                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1267                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1268                     end
1269                     examples.pack_start(thumbnail, false, false)
1270                 elsif counter == 4
1271                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1272                 end
1273             end
1274         }
1275         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1276         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1277
1278         if counter == 0
1279             return {}
1280         end
1281
1282         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1283         iter = combostore.append
1284         if normal
1285             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1286             iter[1] = utf8(_("Copy to:"))
1287             iter = combostore.append
1288             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1289             iter[1] = utf8(_("Move to:"))
1290         else
1291             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1292             iter[1] = utf8(_("Permanently remove"))
1293         end
1294         iter = combostore.append
1295         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1296         iter[1] = utf8(_("Do nothing"))
1297         combo = Gtk::ComboBox.new(combostore)
1298         combo.active = 0
1299         renderer = Gtk::CellRendererPixbuf.new
1300         combo.pack_start(renderer, false)
1301         combo.set_attributes(renderer, :pixbuf => 0)
1302         renderer = Gtk::CellRendererText.new
1303         combo.pack_start(renderer, true)
1304         combo.set_attributes(renderer, :text => 1)
1305
1306         if normal
1307             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1308             pathbutton.signal_connect('clicked') {
1309                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1310                                                 nil,
1311                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1312                                                 nil,
1313                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1314                 fc.transient_for = dialog
1315                 if lastpath
1316                     fc.current_folder = lastpath
1317                 end
1318                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1319                     pathlabel.text = fc.filename
1320                     pathlabel.set_alignment(0, 0.5)
1321                 end
1322                 lastpath = fc.filename
1323                 fc.destroy
1324             }
1325             combo.signal_connect('changed') {
1326                 pathbutton.sensitive = combo.active <= 1
1327             }
1328             vb = Gtk::VBox.new(false, 5)
1329             vb.pack_start(combo, false, false)
1330             vb.pack_start(pathbutton, false, false)
1331             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1332             { :combo => combo, :pathlabel => pathlabel }
1333         else
1334             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1335             { :combo => combo }
1336         end
1337     }
1338     stuff = {}
1339     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1340     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1341     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1342
1343     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1344     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1345     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 ]))
1346     if toremove_amount > 0
1347         vb1.pack_start(check_removal, false, false)
1348         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1349             check_removal.sensitive = widget.active == 0
1350         }
1351     end
1352
1353     dialog.vbox.add(vb1)
1354
1355     dialog.set_default_size(800, 600)
1356     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1357     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1358     dialog.window_position = Gtk::Window::POS_MOUSE
1359     dialog.transient_for = $main_window
1360
1361     dialog.show_all
1362
1363     while true
1364         dialog.run { |response|        
1365             if response == Gtk::Dialog::RESPONSE_OK
1366                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1367                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1368                     break
1369                 end
1370                 problem = false
1371                 label2entries = {}
1372                 $labels.values.each { |label| label2entries[label] = [] }
1373                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1374                 stuff.keys.each { |key|
1375                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1376                         destination = stuff[key][:pathlabel].text
1377                         if destination[0] != ?/
1378                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1379                             problem = true
1380                             break
1381                         end
1382                         begin
1383                             Dir.mkdir(destination)
1384                         rescue Errno::EEXIST
1385                         end
1386                         begin
1387                             st = File.stat(destination)
1388                         rescue
1389                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1390                             problem = true
1391                             break
1392                         end
1393                         if ! st.directory? || ! st.writable?
1394                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1395                             problem = true
1396                             break
1397                         end
1398                         label2entries[key].each { |entry|
1399                             begin
1400                                 File.stat(File.join(destination, File.basename(entry.path)))
1401                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1402                                 problem = true
1403                                 break
1404                             rescue
1405                             end
1406                         }
1407                         if problem
1408                             break
1409                         end
1410                     end
1411                 }
1412                 if ! problem
1413                     begin
1414                         moved = 0
1415                         copied = 0
1416                         stuff.keys.each { |key|
1417                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1418                                 destination = stuff[key][:pathlabel].text
1419                                 label2entries[key].each { |entry|
1420                                     if stuff[key][:combo].active == 0
1421                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1422                                         copied += 1
1423                                     elsif stuff[key][:combo].active == 1
1424                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1425                                         moved += 1
1426                                     end
1427                                 }
1428                             end
1429                         }
1430                         removed = 0
1431                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1432                             $allentries.each { |entry|
1433                                 if entry.removed
1434                                     File.delete(entry.path)
1435                                     removed += 1
1436                                 end
1437                             }
1438                         end
1439                     rescue
1440                         msg 1, "woops: #{$!}"
1441                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1442                     end
1443                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1444                     dialog.destroy
1445                     reset_all
1446                     return
1447                 end
1448
1449             else
1450                 dialog.destroy
1451                 return
1452             end
1453         }
1454     end
1455 end
1456
1457 def visible(entry)
1458     if ! entry.button
1459         #- not yet loaded
1460         return
1461     end
1462     if entry.labeled
1463         if entry.labeled.button.active?
1464             return true
1465         else
1466             return false
1467         end
1468     elsif entry.removed
1469         if $toremove_button.active?
1470             return true
1471         else
1472             return false
1473         end
1474     else
1475         if $unlabelled_button.active?
1476             return true
1477         else
1478             return false
1479         end
1480     end
1481 end
1482
1483 def update_visibility(entry)
1484     v = visible(entry)
1485     if v.nil?
1486         return
1487     end
1488     if v
1489         entry.button.show
1490     else
1491         entry.button.hide
1492     end
1493 end
1494         
1495 def update_all_visibilities_aux
1496     $allentries.each { |entry|
1497         update_visibility(entry)
1498     }
1499     shown = $mainview.get_shown_entry
1500     shown or return
1501     while shown.button && ! shown.button.visible? && shown != $allentries.last
1502         shown = $allentries[$allentries.index(shown) + 1]
1503     end 
1504     if shown.button && shown.button.visible?
1505         shown.button.grab_focus
1506         return
1507     end
1508     $allentries.reverse.each { |entry|
1509         if entry.button && entry.button.visible?
1510             entry.button.grab_focus
1511             return
1512         end
1513     }
1514 end
1515
1516 def update_all_visibilities
1517     update_all_visibilities_aux
1518     Gtk.main_iteration while Gtk.events_pending?
1519     shown = $mainview.get_shown_entry
1520     shown and autoscroll_if_needed(shown.button, false)
1521 end
1522
1523
1524 def preferences
1525     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1526                              $main_window,
1527                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1528                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1529                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1530
1531     tooltips = Gtk::Tooltips.new
1532
1533     table_y = 0
1534
1535     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1536     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1537                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1538     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1539                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1540     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1541
1542     table_y += 1
1543     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1544                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1545     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1546                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1547     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1548
1549     table_y += 1
1550     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1551                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1552     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1553                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1554     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1555
1556     table_y += 1
1557     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1558                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1559     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)),
1560                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1561     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1562
1563     table_y += 1
1564     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1565                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1566     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1567                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1568     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1569                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1570                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1571     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1572     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1573     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1574                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1575                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1576     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1577     cache_memfree_radio.signal_connect('toggled') {
1578         if cache_memfree_radio.active?
1579             cache_memfree_label.sensitive = true
1580             cache_specify_label.sensitive = false
1581         else
1582             cache_specify_label.sensitive = true
1583             cache_memfree_label.sensitive = false
1584         end
1585     }
1586     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1587     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1588         cache_memfree_spin.value = $1.to_i
1589     else
1590         cache_specify_spin.value = $config['cache-memory-use'].to_i
1591     end
1592
1593     table_y += 1
1594     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1595                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1596     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1597     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1598
1599     dialog.vbox.show_all
1600     dialog.run { |response|
1601         if response == Gtk::Dialog::RESPONSE_OK
1602             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1603             $config['browser'] = from_utf8(browser_entry.text)
1604             $config['thumbnails-height'] = thumbnails_height.value
1605             $config['preload-distance'] = preload_distance.value
1606             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1607             if cache_memfree_radio.active?
1608                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1609             else
1610                 $config['cache-memory-use'] = cache_specify_spin.value
1611             end
1612             set_cache_memory_use_figure
1613         end
1614     }
1615     dialog.destroy
1616 end
1617
1618 def perform_undo
1619     if $undo_mb.sensitive?
1620         $redo_mb.sensitive = true
1621         if not more_undoes = UndoHandler.undo($statusbar)
1622             $undo_mb.sensitive = false
1623         end
1624     end
1625 end
1626
1627 def perform_redo
1628     if $redo_mb.sensitive?
1629         $undo_mb.sensitive = true
1630         if not more_redoes = UndoHandler.redo($statusbar)
1631             $redo_mb.sensitive = false
1632         end
1633     end
1634 end
1635
1636 def create_menubar    
1637     #- menu
1638     mb = Gtk::MenuBar.new
1639
1640     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1641     filesubmenu = Gtk::Menu.new
1642     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1643     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1644     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1645     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1646     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1647     filemenu.set_submenu(filesubmenu)
1648     mb.append(filemenu)
1649
1650     open.signal_connect('activate') { open_dir_popup }
1651     $execute.signal_connect('activate') { execute }
1652     quit.signal_connect('activate') { try_quit }
1653
1654     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1655     editsubmenu = Gtk::Menu.new
1656     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1657     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1658     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1659     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1660     editmenu.set_submenu(editsubmenu)
1661     mb.append(editmenu)
1662
1663     $undo_mb.signal_connect('activate') { perform_undo }
1664     $redo_mb.signal_connect('activate') { perform_redo }
1665     prefs.signal_connect('activate') { preferences }
1666     
1667     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1668     helpsubmenu = Gtk::Menu.new
1669     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1670     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1671     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1672     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1673     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1674     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1675     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1676     helpmenu.set_submenu(helpsubmenu)
1677     mb.append(helpmenu)
1678
1679     howto.signal_connect('activate') {
1680         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1681
1682 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1683 show thumbnails for all photos and videos at the bottom.
1684
1685 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1686 on thumbnails.
1687
1688 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1689 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1690 The first time you hit a key without any label associated, a popup will ask for the full
1691 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1692
1693 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1694 some of them by unchecking the labels checkboxes on the left.
1695
1696 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1697 actions according to associated labels. You can permanently remove (or not) images with
1698 the <i>to remove</i> label, and copy or move images with the labels you defined.
1699 ")), { :pos_centered => true, :not_transient => true })
1700     }
1701     speed.signal_connect('activate') {
1702         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1703
1704 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1705 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1706 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1707 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1708 <span foreground='darkblue'>Space</span>: clear any label on current image
1709 <span foreground='darkblue'>Control-z</span>: undo
1710 <span foreground='darkblue'>Control-r</span>: redo
1711 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1712
1713 Any alphabetical key will assign (or popup for) the associated label on current image.
1714 ")), { :pos_centered => true, :not_transient => true })
1715     }
1716     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1717     about.signal_connect('activate') { call_about }
1718
1719
1720     #- no toolbar, to save height
1721
1722     return mb
1723 end
1724
1725 def reset_labels
1726     for child in $labels_vbox.children
1727         $labels_vbox.remove(child)
1728     end
1729     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1730     $labels = {}
1731     $ordered_labels = []
1732     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1733     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1734     $unlabelled_button.active = true
1735     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1736     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1737     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1738     $toremove_button.active = true
1739     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1740     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1741     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1742     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1743 end
1744
1745 def reset_thumbnails
1746     $allentries = []
1747     if $preloader_running
1748         $preloader_force_exit = true
1749     end
1750     for child in $imagesline.children
1751         $imagesline.remove(child)
1752     end
1753     set_imagesline_size_request
1754 end
1755
1756 def set_imagesline_size_request
1757     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1758 end
1759
1760 def create_main_window
1761
1762     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1763     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1764
1765     mb = create_menubar
1766
1767     main_vbox = Gtk::VBox.new(false, 0)
1768     main_vbox.pack_start(mb, false, false)
1769     mainview_hbox = Gtk::HBox.new
1770     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1771     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1772     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1773     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1774     main_vbox.pack_start(mainview_hbox, true, true)
1775     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1776     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1777     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1778     main_vbox.pack_start($imagesline_sw, false, false)
1779     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1780
1781     set_imagesline_size_request
1782
1783     $main_window = create_window
1784     $main_window.add(main_vbox)
1785     $main_window.signal_connect('delete-event') {
1786         try_quit({ :disallow_cancel => true })
1787     }
1788
1789     #- read/save size and position of window
1790     if $config['pos-x'] && $config['pos-y']
1791         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1792     else
1793         $main_window.window_position = Gtk::Window::POS_CENTER
1794     end
1795     msg 3, "size: #{$config['width']}x#{$config['height']}"
1796     $main_window.set_default_size(($config['width'] || 700).to_i, ($config['height'] || 600).to_i)
1797     $main_window.signal_connect('configure-event') {
1798         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1799         x, y = $main_window.window.root_origin
1800         width, height = $main_window.window.size
1801         $config['pos-x'] = x
1802         $config['pos-y'] = y
1803         $config['width'] = width
1804         $config['height'] = height
1805         false
1806     }
1807
1808     $main_window.show_all
1809     $loading_progressbar.hide
1810 end
1811
1812
1813 handle_options
1814 read_config
1815 Gtk.init
1816
1817
1818 create_main_window
1819 check_config
1820
1821 if ARGV[0]
1822     if msg = open_dir(*ARGV)
1823         puts msg
1824     else
1825         Gtk.idle_add {
1826             show_entries($allentries)
1827             false
1828         }
1829     end
1830 end
1831 Gtk.main
1832
1833 write_config