update statusbar asap instead of after mainview loading; do not autoscroll on focus...
[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         index = $allentries.index($mainview.get_shown_entry)
519         index_right = index
520         index_left = index
521         loaded_right = 0
522         loaded_left = 0
523         right_done = false
524         left_done = false
525         loaded = []
526         while ! right_done || ! left_done
527             if ! right_done
528                 index_right += 1
529                 while index_right < $allentries.size && ! visible($allentries[index_right])
530                     index_right += 1
531                 end
532                 if index_right == $allentries.size
533                     right_done = true
534                 else
535                     msg 3, "preloading #{$allentries[index_right].path}"
536                     $allentries[index_right].pixbuf_main(false)
537                     loaded << index_right
538                     loaded_right += 1
539                     if loaded_right == $config['preload-distance'].to_i
540                         right_done = true
541                     end
542                 end
543             end
544
545             if ! left_done
546                 index_left -= 1
547                 while index_left >= 0 && ! visible($allentries[index_left])
548                     index_left -= 1
549                 end
550                 if index_left == -1
551                     left_done = true
552                 else
553                     msg 3, "preloading #{$allentries[index_left].path}"
554                     $allentries[index_left].pixbuf_main(false)
555                     loaded << index_left
556                     loaded_left += 1
557                     if loaded_left == $config['preload-distance'].to_i
558                         left_done = true
559                     end
560                 end
561             end
562
563             #- in case just loaded another directory
564             if $preloader_force_exit
565                 $preloader_running = false
566                 $preloader_force_exit = false
567                 return
568             end
569             #- in case moved fast
570             if index != $allentries.index($mainview.get_shown_entry)
571                 msg 3, "*** >>>> moved already, rerun"
572                 $preloader_running = false
573                 run_preloader_real
574                 return
575             end
576         end
577         free_cache(loaded)
578     end
579     $preloader_running = false
580     msg 3, "*** << main preloading finished"
581 end
582
583 def run_preloader
584     if ! $preloader_allowed
585         msg 3, "*** preloader not yet allowed"
586         return
587     end
588     Gtk.timeout_add(10) {
589         run_preloader_real
590         false
591     }
592 end
593
594 class MainView < Gtk::DrawingArea
595
596     @@borders_thickness = 5
597     @@borders_length = 25
598
599     def MainView.borders_thickness
600         return @@borders_thickness
601     end
602
603     def MainView.get_usable_width(available_width)
604         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
605     end
606
607     def MainView.get_usable_height(available_height)
608         return available_height - @@borders_thickness * 2
609     end
610     
611     def initialize
612         super()
613         signal_connect('expose-event') { draw }
614         signal_connect('configure-event') { update_shown }
615     end
616
617     def set_shown_entry(entry)
618         t1 = Time.now
619         if ! entry.nil? && entry == @entry
620             return
621         end
622         if ! entry.nil?
623             if ! entry.button
624                 #- not loaded yet
625                 return
626             else
627                 entry.button.grab_focus
628             end
629         end
630         @entry = entry
631         redraw
632         run_preloader
633         msg 3, "entry shown in: #{Time.now - t1} s"
634     end
635
636     def get_shown_entry
637         return @entry
638     end
639
640     def show_next_entry(entry)
641         index = $allentries.index(entry)
642         if index < $allentries.size - 1
643             index += 1
644         end
645         while index < $allentries.size - 1 && $allentries[index] && ! $allentries[index].button.visible?
646             index += 1
647         end
648         while $allentries[index] && ! $allentries[index].button.visible? && index > 0
649             index -= 1
650         end
651         if index < $allentries.size && $allentries[index] && $allentries[index].button.visible?
652             set_shown_entry($allentries[index])
653         end
654     end
655
656     def redraw
657         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
658         if ! update_shown
659             return
660         end
661         w, h = window.size
662         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
663         window.clear
664         draw
665         window.end_paint
666         Gtk.main_iteration while Gtk.events_pending?
667     end
668
669     def update_shown
670         if @entry
671             $interrupt_loading = false
672             pixbuf = @entry.pixbuf_main(true)
673             $interrupt_loading = true
674             if pixbuf
675                 @pixbuf = pixbuf
676                 width, height = window.size 
677                 @xpos = (width - @pixbuf.width)/2
678                 @ypos = (height - @pixbuf.height)/2
679                 return true
680             else
681                 return false
682             end
683         else
684             @pixbuf = nil
685             return true
686         end
687     end
688
689     def draw
690         if @pixbuf
691             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
692             if @entry && @entry.type == 'video'
693                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
694             end
695             if ! @entry.outline_color.nil?
696                 gc = Gdk::GC.new(window)
697                 colormap.alloc_color(@entry.outline_color, false, true)
698                 gc.set_foreground(@entry.outline_color)
699                 if @entry && @entry.type == 'video'
700                     xleft = @xpos - $videoborder_pixbuf.width
701                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
702                 else
703                     xleft = @xpos
704                     xright = @xpos + @pixbuf.width
705                 end
706                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
707                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
708                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
709                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
710                                                [xleft - @@borders_thickness, @ypos - 1],
711                                                [xleft - 1, @ypos - 1],
712                                                [xleft - 1, @ypos + @pixbuf.height + 1],
713                                                [xright + 1, @ypos + @pixbuf.height + 1],
714                                                [xright + 1, @ypos - 1],
715                                                [xleft - @@borders_thickness, @ypos - 1]])
716             end
717         end
718     end
719 end
720
721 def autoscroll_if_needed(button)
722     xpos_left = button.allocation.x
723     xpos_right = button.allocation.x + button.allocation.width
724     hadj = $imagesline_sw.hadjustment
725     current_minx_visible = hadj.value
726     current_maxx_visible = hadj.value + hadj.page_size
727     if xpos_left < current_minx_visible
728         #- autoscroll left
729         newval = hadj.value - (current_minx_visible - xpos_left)
730         hadj.value = newval
731         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
732     elsif xpos_right > current_maxx_visible
733         #- autoscroll right
734         newval = hadj.value + (xpos_right - current_maxx_visible)
735         if newval > hadj.upper - hadj.page_size
736             newval = hadj.upper - hadj.page_size
737         end
738         hadj.value = newval
739         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
740     end
741 end
742
743 def show_popup(parent, msg, *options)
744     dialog = Gtk::Dialog.new
745     if options[0]
746         options = options[0]
747     else
748         options = {}
749     end
750     if options[:title]
751         dialog.title = options[:title]
752     else
753         dialog.title = utf8(_("Booh message"))
754     end
755     lbl = Gtk::Label.new
756     if options[:nomarkup]
757         lbl.text = msg
758     else
759         lbl.markup = msg
760     end
761     if options[:centered]
762         lbl.set_justify(Gtk::Justification::CENTER)
763     end
764     if options[:selectable]
765         lbl.selectable = true
766     end
767     if options[:topwidget]
768         dialog.vbox.add(options[0][:topwidget])
769     end
770     if options[:scrolled]
771         sw = Gtk::ScrolledWindow.new(nil, nil)
772         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
773         sw.add_with_viewport(lbl)
774         dialog.vbox.add(sw)
775         dialog.set_default_size(500, 600)
776     else
777         dialog.vbox.add(lbl)
778         dialog.set_default_size(200, 120)
779     end
780     if options[:bottomwidget]
781         dialog.vbox.add(options[:bottomwidget])
782     end
783     if options[:okcancel]
784         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
785     end
786     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
787
788     if options[:pos_centered]
789         dialog.window_position = Gtk::Window::POS_CENTER
790     else
791         dialog.window_position = Gtk::Window::POS_MOUSE
792     end
793
794     if options[:linkurl]
795         linkbut = Gtk::Button.new('')
796         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
797         linkbut.signal_connect('clicked') {
798             open_url(options[0][:linkurl] + '/index.html')
799             dialog.response(Gtk::Dialog::RESPONSE_OK)
800             set_mousecursor_normal
801         }
802         linkbut.relief = Gtk::RELIEF_NONE
803         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
804         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
805         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
806     end
807
808     dialog.show_all
809
810     if options[:stuff_connector]
811         options[:stuff_connector].call({ :dialog => dialog })
812     end
813                                         
814     if !options[:not_transient]
815         dialog.transient_for = parent
816         dialog.run { |response|
817             if options[:data_getter]
818                 options[:data_getter].call
819             end
820             dialog.destroy
821             if options[:okcancel]
822                 return response == Gtk::Dialog::RESPONSE_OK
823             end
824         }
825     else
826         dialog.signal_connect('response') { dialog.destroy }
827     end
828 end
829
830 def view_entry(entry)
831     if entry.type == 'image'
832         show_popup($main_window,
833                    utf8(`exif -m '#{entry.path}'`),
834                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
835     else
836         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
837         msg 2, cmd
838         system(cmd)
839     end
840 end
841
842 def thumbnail_keypressed(entry, event)
843     if event.state & Gdk::Window::MOD1_MASK != 0
844         #- ALT pressed: Alt-Left and Alft-Right rotate
845         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
846             if event.keyval == Gdk::Keyval::GDK_Left
847                 entry.angle = (entry.angle - 90) % 360
848             else
849                 entry.angle = (entry.angle + 90) % 360
850             end
851             entry.free_pixbuf_full
852             entry.free_pixbuf_main
853             entry.free_pixbuf_thumbnail
854             $mainview.redraw
855             entry.image.pixbuf = entry.pixbuf_thumbnail
856             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
857                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
858             end
859         end
860
861     elsif event.state & Gdk::Window::CONTROL_MASK != 0
862         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
863         if event.keyval == Gdk::Keyval::GDK_z
864             perform_undo
865         end
866         if event.keyval == Gdk::Keyval::GDK_r
867             perform_redo
868         end
869         if event.keyval == Gdk::Keyval::GDK_space
870             shown = $mainview.get_shown_entry
871             shown and autoscroll_if_needed(shown.button)
872         end
873
874     else
875         removed_before = entry.removed
876         label_before = entry.labeled
877
878         if event.keyval == Gdk::Keyval::GDK_Delete
879             entry.removed = true
880             entry.labeled = nil
881             entry.show_bg
882             update_visibility(entry)
883             $mainview.show_next_entry(entry)
884
885             save_undo(_("set for removal"),
886                       proc {
887                           entry.removed = removed_before
888                           entry.labeled = label_before
889                           entry.show_bg
890                           update_visibility(entry)
891                           if entry.button.visible?
892                               $mainview.set_shown_entry(entry)
893                           end
894                           proc {
895                               entry.removed = true
896                               entry.labeled = nil
897                               entry.show_bg
898                               update_visibility(entry)
899                               if entry.button.visible?
900                                   $mainview.set_shown_entry(entry)
901                               end
902                           }
903                       })
904
905         elsif event.keyval == Gdk::Keyval::GDK_space
906             if entry.labeled
907                 msg = _("Cleared label")
908             elsif entry.removed
909                 msg = _("Cleared set for removal")
910             end
911             entry.removed = false
912             entry.labeled = nil
913             entry.show_bg
914             $mainview.show_next_entry(entry)
915
916             save_undo(msg,
917                       proc {
918                           entry.removed = removed_before
919                           entry.labeled = label_before
920                           entry.show_bg
921                           $mainview.set_shown_entry(entry)
922                           proc {
923                               entry.removed = false
924                               entry.labeled = nil
925                               entry.show_bg
926                               $mainview.set_shown_entry(entry)
927                           }
928                       })
929
930         elsif event.keyval == Gdk::Keyval::GDK_Return
931             view_entry(entry)
932
933         else
934             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
935             if char =~ /^[a-zA-z0-9]$/
936                 label = $labels[char]
937                 
938                 if label.nil?
939                     vb = Gtk::VBox.new(false, 0)
940                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
941                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
942                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
943                     bt.signal_connect('color-set') { color = bt.color }
944                     text = nil
945                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
946                         while $labels.has_key?(labelentry.text[0,1])
947                             labelentry.text = labelentry.text.sub(/./, '')
948                         end
949                     }
950                     if show_popup($main_window,
951                                   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,
952                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
953                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
954                                                                        labelentry.position = -1
955                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
956                         if text.length > 0
957                             char = text[0,1]  #- in case it changed
958                             label = Label.new(text)
959                             label.color = color
960                             $labels[char] = label
961                             $ordered_labels << label
962                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
963                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
964                             label.button.active = true
965                             label.button.signal_connect('toggled') { update_all_visibilities }
966                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
967                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
968                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
969                         end
970                     end
971                 end
972
973                 if label
974                     entry.removed = false
975                     entry.labeled = label
976                     entry.show_bg
977                     update_visibility(entry)
978                     $mainview.show_next_entry(entry)
979
980                     save_undo(_("set label"),
981                               proc {
982                                   entry.removed = removed_before
983                                   entry.labeled = label_before
984                                   entry.show_bg
985                                   update_visibility(entry)
986                                   if entry.button.visible?
987                                       $mainview.set_shown_entry(entry)
988                                   end
989                                   proc {
990                                       entry.removed = false
991                                       entry.labeled = label
992                                       entry.show_bg
993                                       update_visibility(entry)
994                                       if entry.button.visible?
995                                           $mainview.set_shown_entry(entry)
996                                       end
997                                   }
998                               })
999                 end
1000             end
1001         end
1002     end
1003 end
1004
1005 def sb_msg(msg)
1006     $statusbar.pop(0)
1007     if msg
1008         $statusbar.push(0, utf8(msg))
1009     end
1010 end
1011
1012 def show_entry(entry, i, tips)
1013     #- scope entry
1014     #msg 3, "showing entry #{entry}"
1015     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1016     if entry.type == 'video'
1017         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1018                                            pack_start(entry.image).
1019                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1020         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1021         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1022     else
1023         entry.button = Gtk::Button.new.add(entry.image)
1024     end
1025     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1026     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1027     entry.button.signal_connect('clicked') {
1028         shown = $mainview.get_shown_entry
1029         if shown != entry
1030             shown and shown.alignment.set(0.5, 1, 0, 0)
1031             entry.alignment.set(0.5, 0, 0, 0)
1032             autoscroll_if_needed(entry.button)
1033             $mainview.set_shown_entry(entry)
1034         end
1035     }
1036     entry.button.signal_connect('button-press-event') { |w, event|
1037         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1038             video_view(entry)
1039         end
1040     }
1041     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1042     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1043     if i == 0
1044         entry.button.grab_focus
1045     end
1046     update_visibility(entry)
1047     Gtk.main_iteration while Gtk.events_pending?
1048 end
1049
1050 def show_entries(allentries)
1051     sb_msg(_("Loading images..."))
1052     $loading_progressbar.fraction = 0
1053     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1054     $loading_progressbar.show
1055     t1 = Time.now
1056     total_loaded_files = 0
1057     total_loaded_size = 0
1058     i = 0
1059     tips = Gtk::Tooltips.new
1060     while i < allentries.size
1061 #        printf "%d %s\n", i, __LINE__
1062         entry = allentries[i]
1063         if i == 0
1064             loaded_pixbuf = entry.pixbuf_main(false)
1065         else
1066             loaded_pixbuf = entry.pixbuf_thumbnail
1067         end
1068         if $allentries != allentries
1069             #- loaded another directory while this one was not yet finished
1070             msg 3, "allentries differ, stopping this deprecated load"
1071             return
1072         end
1073
1074         if loaded_pixbuf
1075             show_entry(entry, i, tips)
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             total_loaded_size += file_size(entry.path)
1083             total_loaded_files += 1
1084             i += 1
1085             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1086                 #- when we're at preload distance, beging preloading to preload distance
1087                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1088             end
1089             if i == $config['preload-distance'].to_i * 2 + 1
1090                 #- when we're after double preload distance, activate normal preloading
1091                 $preloader_allowed = true
1092             end
1093             
1094         else
1095             allentries.delete_at(i)
1096         end
1097         $loading_progressbar.fraction = i.to_f / allentries.size
1098         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1099         if $quit
1100             return
1101         end
1102     end
1103     if i <= $config['preload-distance'].to_i * 2
1104         #- not yet preloaded correctly
1105         $preloader_allowed = true
1106         run_preloader
1107     end
1108     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1109     $loading_progressbar.hide
1110     $execute.sensitive = true
1111 end
1112
1113 def reset_all
1114     reset_labels
1115     reset_thumbnails
1116     $mainview.set_shown_entry(nil)
1117     sb_msg(nil)
1118     $preloader_allowed = false
1119     $execute.sensitive = false
1120 end
1121
1122 def open_dir(*paths)
1123     #- remove visual stuff, so that user will see something is happening
1124     reset_all
1125     sb_msg(_("Scanning source directory..."))
1126     Gtk.main_iteration while Gtk.events_pending?
1127
1128     for path in paths
1129         path = File.expand_path(path.sub(%r|/$|, ''))
1130         $workingdir = path
1131         entries = []
1132         if File.directory?(path)
1133             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1134             #- validate first
1135             examined_dirs.each { |dir|
1136                 if dir =~ /'/
1137                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1138                 end
1139                 Dir.entries(dir).each { |file|
1140                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1141                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1142                     end
1143                 }
1144             }
1145             
1146             #- scan for populate second
1147             examined_dirs.each { |dir|
1148                 if File.basename(dir) =~ /^\./
1149                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1150                     next
1151                 end
1152                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1153             }
1154
1155         else
1156             entries << path
1157         end
1158
1159         if $sort_by_exif_date
1160             dates = {}
1161             entries.each { |file|
1162                 date_time = Exif.datetimeoriginal(file)
1163                 if ! date_time.nil?
1164                     dates[file] = date_time
1165                 end
1166             }
1167             entries = smartsort(entries, dates)
1168         else
1169             entries.sort!
1170         end
1171         entries.each { |file|
1172             type = entry2type(file)
1173             if type
1174                 if File.directory?(path)
1175                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1176                 else
1177                     $allentries << Entry.new(file, type, file)
1178                 end
1179             end
1180         }
1181     end
1182     return nil
1183 end
1184
1185 def open_dir_popup
1186     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1187                                     nil,
1188                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1189                                     nil,
1190                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1191     fc.transient_for = $main_window
1192     if $workingdir
1193         fc.current_folder = $workingdir
1194     end
1195     ok = false
1196     load = false
1197     while !ok
1198         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1199             msg = open_dir(fc.filename)
1200             if msg
1201                 show_popup(fc, msg)
1202                 ok = false
1203             else
1204                 ok = true
1205                 load = true
1206             end
1207         else
1208             ok = true
1209         end
1210     end
1211     fc.destroy
1212     if load
1213         show_entries($allentries)
1214     end
1215 end
1216
1217 def try_quit(*options)
1218     if ! $allentries.detect { |e| e.removed || e.labeled } ||
1219        show_popup($main_window,
1220                   utf8(_("Are you sure you want to quit?")),
1221                   { :okcancel => true })
1222         Gtk.main_quit
1223         $quit = true
1224     end
1225 end
1226
1227 def execute
1228     dialog = Gtk::Dialog.new
1229     dialog.title = utf8(_("Booh message"))
1230
1231     vb1 = Gtk::VBox.new(false, 5)
1232     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!")))
1233     vb1.pack_start(label, false, false)
1234
1235     lastpath = $workingdir
1236
1237     table = Gtk::Table.new(0, 0, false)
1238     table.set_row_spacings(5)
1239     table.set_column_spacings(5)
1240     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)
1241     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)
1242     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)
1243     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)
1244     add_row = proc { |row, name, color, truthproc, normal|
1245         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)),
1246                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1247         counter = 0
1248         examples = Gtk::HBox.new(false, 5)
1249         $allentries.each { |entry|
1250             if truthproc.call(entry)
1251                 counter += 1
1252                 if counter < 4
1253                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1254                     if entry.type == 'video'
1255                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1256                                                   pack_start(thumbnail).
1257                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1258                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1259                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1260                     end
1261                     examples.pack_start(thumbnail, false, false)
1262                 elsif counter == 4
1263                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1264                 end
1265             end
1266         }
1267         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1268         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1269
1270         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1271         iter = combostore.append
1272         if normal
1273             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1274             iter[1] = utf8(_("Copy to:"))
1275             iter = combostore.append
1276             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1277             iter[1] = utf8(_("Move to:"))
1278         else
1279             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1280             iter[1] = utf8(_("Permanently remove"))
1281         end
1282         iter = combostore.append
1283         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1284         iter[1] = utf8(_("Do nothing"))
1285         combo = Gtk::ComboBox.new(combostore)
1286         combo.active = 0
1287         renderer = Gtk::CellRendererPixbuf.new
1288         combo.pack_start(renderer, false)
1289         combo.set_attributes(renderer, :pixbuf => 0)
1290         renderer = Gtk::CellRendererText.new
1291         combo.pack_start(renderer, true)
1292         combo.set_attributes(renderer, :text => 1)
1293
1294         if normal
1295             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1296             pathbutton.signal_connect('clicked') {
1297                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1298                                                 nil,
1299                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1300                                                 nil,
1301                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1302                 fc.transient_for = dialog
1303                 if lastpath
1304                     fc.current_folder = lastpath
1305                 end
1306                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1307                     pathlabel.text = fc.filename
1308                     pathlabel.set_alignment(0, 0.5)
1309                 end
1310                 lastpath = fc.filename
1311                 fc.destroy
1312             }
1313             combo.signal_connect('changed') {
1314                 pathbutton.sensitive = combo.active <= 1
1315             }
1316             vb = Gtk::VBox.new(false, 5)
1317             vb.pack_start(combo, false, false)
1318             vb.pack_start(pathbutton, false, false)
1319             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1320             { :combo => combo, :pathlabel => pathlabel }
1321         else
1322             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1323             { :combo => combo }
1324         end
1325     }
1326     stuff = {}
1327     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1328     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1329     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1330
1331     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1332     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1333     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 ]))
1334     if toremove_amount > 0
1335         vb1.pack_start(check_removal, false, false)
1336         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1337             check_removal.sensitive = widget.active == 0
1338         }
1339     end
1340
1341     dialog.vbox.add(vb1)
1342
1343     dialog.set_default_size(800, 600)
1344     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1345     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1346     dialog.window_position = Gtk::Window::POS_MOUSE
1347     dialog.transient_for = $main_window
1348
1349     dialog.show_all
1350
1351     while true
1352         dialog.run { |response|        
1353             if response == Gtk::Dialog::RESPONSE_OK
1354                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1355                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1356                     break
1357                 end
1358                 problem = false
1359                 label2entries = {}
1360                 $labels.values.each { |label| label2entries[label] = [] }
1361                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1362                 stuff.keys.each { |key|
1363                     if key.is_a?(Label) && stuff[key][:combo].active <= 1
1364                         destination = stuff[key][:pathlabel].text
1365                         if destination[0] != ?/
1366                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1367                             problem = true
1368                             break
1369                         end
1370                         begin
1371                             Dir.mkdir(destination)
1372                         rescue Errno::EEXIST
1373                         end
1374                         begin
1375                             st = File.stat(destination)
1376                         rescue
1377                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1378                             problem = true
1379                             break
1380                         end
1381                         if ! st.directory? || ! st.writable?
1382                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1383                             problem = true
1384                             break
1385                         end
1386                         label2entries[key].each { |entry|
1387                             begin
1388                                 File.stat(File.join(destination, File.basename(entry.path)))
1389                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1390                                 problem = true
1391                                 break
1392                             rescue
1393                             end
1394                         }
1395                         if problem
1396                             break
1397                         end
1398                     end
1399                 }
1400                 if ! problem
1401                     begin
1402                         moved = 0
1403                         copied = 0
1404                         stuff.keys.each { |key|
1405                             if key.is_a?(Label) && stuff[key][:combo].active <= 1
1406                                 destination = stuff[key][:pathlabel].text
1407                                 label2entries[key].each { |entry|
1408                                     if stuff[key][:combo].active == 0
1409                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1410                                         copied += 1
1411                                     elsif stuff[key][:combo].active == 1
1412                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1413                                         moved += 1
1414                                     end
1415                                 }
1416                             end
1417                         }
1418                         removed = 0
1419                         if stuff['toremove'][:combo].active == 0
1420                             $allentries.each { |entry|
1421                                 if entry.removed
1422                                     File.delete(entry.path)
1423                                     removed += 1
1424                                 end
1425                             }
1426                         end
1427                     rescue
1428                         msg 1, "woops: #{$!}"
1429                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1430                     end
1431                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1432                     dialog.destroy
1433                     reset_all
1434                     return
1435                 end
1436
1437             else
1438                 dialog.destroy
1439                 return
1440             end
1441         }
1442     end
1443 end
1444
1445 def visible(entry)
1446     if ! entry.button
1447         #- not yet loaded
1448         return
1449     end
1450     if entry.labeled
1451         if entry.labeled.button.active?
1452             return true
1453         else
1454             return false
1455         end
1456     elsif entry.removed
1457         if $toremove_button.active?
1458             return true
1459         else
1460             return false
1461         end
1462     else
1463         if $unlabelled_button.active?
1464             return true
1465         else
1466             return false
1467         end
1468     end
1469 end
1470
1471 def update_visibility(entry)
1472     v = visible(entry)
1473     if v.nil?
1474         return
1475     end
1476     if v
1477         entry.button.show
1478     else
1479         entry.button.hide
1480     end
1481 end
1482         
1483 def update_all_visibilities
1484     $allentries.each { |entry|
1485         update_visibility(entry)
1486     }
1487     shown = $mainview.get_shown_entry
1488     if shown.nil?
1489         return
1490     end
1491     while shown.button && ! shown.button.visible? && shown != $allentries.last
1492         shown = $allentries[$allentries.index(shown) + 1]
1493     end 
1494     if shown.button && shown.button.visible?
1495         shown.button.grab_focus
1496         return
1497     end
1498     $allentries.reverse.each { |entry|
1499         if entry.button && entry.button.visible?
1500             entry.button.grab_focus
1501             return
1502         end
1503     }
1504 end
1505
1506 def preferences
1507     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1508                              $main_window,
1509                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1510                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1511                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1512
1513     tooltips = Gtk::Tooltips.new
1514
1515     table_y = 0
1516
1517     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1518     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1519                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1520     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1521                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1522     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1523
1524     table_y += 1
1525     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1526                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1527     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1528                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1529     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1530
1531     table_y += 1
1532     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1533                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1534     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1535                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1536     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1537
1538     table_y += 1
1539     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1540                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1541     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)),
1542                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1543     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1544
1545     table_y += 1
1546     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1547                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1548     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1549                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1550     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1551                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1552                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1553     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1554     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1555     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1556                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1557                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1558     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1559     cache_memfree_radio.signal_connect('toggled') {
1560         if cache_memfree_radio.active?
1561             cache_memfree_label.sensitive = true
1562             cache_specify_label.sensitive = false
1563         else
1564             cache_specify_label.sensitive = true
1565             cache_memfree_label.sensitive = false
1566         end
1567     }
1568     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1569     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1570         cache_memfree_spin.value = $1.to_i
1571     else
1572         cache_specify_spin.value = $config['cache-memory-use'].to_i
1573     end
1574
1575     table_y += 1
1576     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1577                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1578     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1579     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1580
1581     dialog.vbox.show_all
1582     dialog.run { |response|
1583         if response == Gtk::Dialog::RESPONSE_OK
1584             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1585             $config['browser'] = from_utf8(browser_entry.text)
1586             $config['thumbnails-height'] = thumbnails_height.value
1587             $config['preload-distance'] = preload_distance.value
1588             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1589             if cache_memfree_radio.active?
1590                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1591             else
1592                 $config['cache-memory-use'] = cache_specify_spin.value
1593             end
1594             set_cache_memory_use_figure
1595         end
1596     }
1597     dialog.destroy
1598 end
1599
1600 def perform_undo
1601     if $undo_mb.sensitive?
1602         $redo_mb.sensitive = true
1603         if not more_undoes = UndoHandler.undo($statusbar)
1604             $undo_mb.sensitive = false
1605         end
1606     end
1607 end
1608
1609 def perform_redo
1610     if $redo_mb.sensitive?
1611         $undo_mb.sensitive = true
1612         if not more_redoes = UndoHandler.redo($statusbar)
1613             $redo_mb.sensitive = false
1614         end
1615     end
1616 end
1617
1618 def create_menubar    
1619     #- menu
1620     mb = Gtk::MenuBar.new
1621
1622     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1623     filesubmenu = Gtk::Menu.new
1624     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1625     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1626     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1627     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1628     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1629     filemenu.set_submenu(filesubmenu)
1630     mb.append(filemenu)
1631
1632     open.signal_connect('activate') { open_dir_popup }
1633     $execute.signal_connect('activate') { execute }
1634     quit.signal_connect('activate') { try_quit }
1635
1636     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1637     editsubmenu = Gtk::Menu.new
1638     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1639     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1640     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1641     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1642     editmenu.set_submenu(editsubmenu)
1643     mb.append(editmenu)
1644
1645     $undo_mb.signal_connect('activate') { perform_undo }
1646     $redo_mb.signal_connect('activate') { perform_redo }
1647     prefs.signal_connect('activate') { preferences }
1648     
1649     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1650     helpsubmenu = Gtk::Menu.new
1651     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1652     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1653     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1654     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1655     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1656     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1657     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1658     helpmenu.set_submenu(helpsubmenu)
1659     mb.append(helpmenu)
1660
1661     howto.signal_connect('activate') {
1662         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1663
1664 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1665 show thumbnails for all photos and videos at the bottom.
1666
1667 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1668 on thumbnails.
1669
1670 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1671 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1672 The first time you hit a key without any label associated, a popup will ask for the full
1673 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1674
1675 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1676 some of them by unchecking the labels checkboxes on the left.
1677
1678 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1679 actions according to associated labels. You can permanently remove (or not) images with
1680 the <i>to remove</i> label, and copy or move images with the labels you defined.
1681 ")), { :pos_centered => true, :not_transient => true })
1682     }
1683     speed.signal_connect('activate') {
1684         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1685
1686 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1687 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1688 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1689 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1690 <span foreground='darkblue'>Space</span>: clear any label on current image
1691 <span foreground='darkblue'>Control-z</span>: undo
1692 <span foreground='darkblue'>Control-r</span>: redo
1693 <span foreground='darkblue'>Control-Space</span>: autoscroll thumbnails to view current item
1694
1695 Any alphabetical key will assign (or popup for) the associated label on current image.
1696 ")), { :pos_centered => true, :not_transient => true })
1697     }
1698     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1699     about.signal_connect('activate') { call_about }
1700
1701
1702     #- no toolbar, to save height
1703
1704     return mb
1705 end
1706
1707 def reset_labels
1708     for child in $labels_vbox.children
1709         $labels_vbox.remove(child)
1710     end
1711     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1712     $labels = {}
1713     $ordered_labels = []
1714     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1715     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1716     $unlabelled_button.active = true
1717     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1718     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1719     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1720     $toremove_button.active = true
1721     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1722     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1723     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1724     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1725 end
1726
1727 def reset_thumbnails
1728     $allentries = []
1729     if $preloader_running
1730         $preloader_force_exit = true
1731     end
1732     for child in $imagesline.children
1733         $imagesline.remove(child)
1734     end
1735     set_imagesline_size_request
1736 end
1737
1738 def set_imagesline_size_request
1739     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1740 end
1741
1742 def create_main_window
1743
1744     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1745     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1746
1747     mb = create_menubar
1748
1749     main_vbox = Gtk::VBox.new(false, 0)
1750     main_vbox.pack_start(mb, false, false)
1751     mainview_hbox = Gtk::HBox.new
1752     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1753     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1754     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1755     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1756     main_vbox.pack_start(mainview_hbox, true, true)
1757     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1758     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1759     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1760     main_vbox.pack_start($imagesline_sw, false, false)
1761     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1762
1763     set_imagesline_size_request
1764
1765     $main_window = create_window
1766     $main_window.add(main_vbox)
1767     $main_window.signal_connect('delete-event') {
1768         try_quit({ :disallow_cancel => true })
1769     }
1770
1771     #- read/save size and position of window
1772     if $config['pos-x'] && $config['pos-y']
1773         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1774     else
1775         $main_window.window_position = Gtk::Window::POS_CENTER
1776     end
1777     msg 3, "size: #{$config['width']}x#{$config['height']}"
1778     $main_window.set_default_size(($config['width'] || 700).to_i, ($config['height'] || 600).to_i)
1779     $main_window.signal_connect('configure-event') {
1780         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1781         x, y = $main_window.window.root_origin
1782         width, height = $main_window.window.size
1783         $config['pos-x'] = x
1784         $config['pos-y'] = y
1785         $config['width'] = width
1786         $config['height'] = height
1787         false
1788     }
1789
1790     $main_window.show_all
1791     $loading_progressbar.hide
1792 end
1793
1794
1795 handle_options
1796 read_config
1797 Gtk.init
1798
1799
1800 create_main_window
1801 check_config
1802
1803 if ARGV[0]
1804     if msg = open_dir(*ARGV)
1805         puts msg
1806     else
1807         Gtk.idle_add {
1808             show_entries($allentries)
1809             false
1810         }
1811     end
1812 end
1813 Gtk.main
1814
1815 write_config