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