tempfile behaviour changed in ruby 1.8.7 :/
[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             dest_dir = tmp.path
413             tmp.close!
414             Dir.mkdir(dest_dir)
415             orig_base = File.basename(path)
416             tmpdir = gen_video_thumbnail(path, false, 0)
417             if tmpdir.nil?
418                 return
419             end
420             image_path = "#{tmpdir}/00000001.jpg"
421         else
422             image_path = @path
423         end
424         if @angle.nil?
425             if @type == 'image'
426                 @angle = guess_rotate(image_path)
427             else
428                 @angle = 0
429             end
430         end
431         begin
432             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
433             #- if loaded pictures are several MBs large
434             loader = Gdk::PixbufLoader.new
435             loader.signal_connect('size-prepared') { |l, w, h|
436                 r = specify_size.call(w, h)
437                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
438                 loader.set_size(*specify_size.call(w, h))
439             }
440             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
441             if ! loader.load_not_freezing_ui(image_path, interruptable, id)
442                 return
443             end
444             loader.close
445             if pixbuf.nil?
446                 raise "Loaded pixbuf nil - #{path} #{image_path}"
447             end
448         rescue
449             msg 0, "Cannot load #{image_path}: #{$!}"
450             begin
451                 loader.close
452             rescue
453             end
454             return
455         ensure
456             if @type == 'video'
457                 File.delete(image_path)
458                 Dir.rmdir(tmpdir)
459             end
460         end
461         if pixbuf
462             if @angle != 0
463                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
464                 pixbuf = rotate_pixbuf(pixbuf, @angle)
465             end
466         end
467         if @type == 'video'
468             cleanup_dir(dest_dir)
469         end
470         return pixbuf
471     end
472
473     def to_s
474         @path
475     end
476 end
477
478 $allentries = []
479
480 def gc
481     start = Time.now
482     GC.start
483     msg 3, "GC in #{Time.now - start} s"
484 end
485
486 def free_cache(avoid)
487     i = $allentries.index($mainview.get_shown_entry)
488     return if i.nil?
489     start = Time.now
490     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
491         index = i + j
492         if i + j < $allentries.size && ! avoid.include?(i + j)
493             $allentries[i + j].free_pixbuf_full
494             $allentries[i + j].free_pixbuf_main
495         end
496         if i - j >= 0 && ! avoid.include?(i - j)
497             $allentries[i - j].free_pixbuf_full
498             $allentries[i - j].free_pixbuf_main
499         end
500     }
501     msg 3, "freeing done in #{Time.now - start} s"
502     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
503         gc
504         get_mem
505     end
506 end
507
508 def run_preloader_real
509     msg 3, "*** >> main preloading triggered..."
510     if $preloader_running
511         msg 3, "*** >>>>>> already running, return <<<<<<<<"
512         return
513     end
514     $preloader_running = true
515     if $mainview.get_shown_entry
516         if get_mem > $config['cache-memory-use-figure']
517             msg 3, "too much RSS, stopping preloading, triggering GC"
518             $preloader_running = false
519             gc
520             get_mem
521             return
522         end
523         if $config['preload-distance'].to_i == 0
524             free_cache([])
525             return
526         end
527         index = $allentries.index($mainview.get_shown_entry)
528         index_right = index
529         index_left = index
530         loaded_right = 0
531         loaded_left = 0
532         right_done = false
533         left_done = false
534         loaded = []
535         while ! right_done || ! left_done
536             if ! right_done
537                 index_right += 1
538                 while index_right < $allentries.size && ! visible($allentries[index_right])
539                     index_right += 1
540                 end
541                 if index_right == $allentries.size
542                     right_done = true
543                 else
544                     msg 3, "preloading #{$allentries[index_right].path}"
545                     $allentries[index_right].pixbuf_main(false)
546                     loaded << index_right
547                     loaded_right += 1
548                     if loaded_right == $config['preload-distance'].to_i
549                         right_done = true
550                     end
551                 end
552             end
553
554             if ! left_done
555                 index_left -= 1
556                 while index_left >= 0 && ! visible($allentries[index_left])
557                     index_left -= 1
558                 end
559                 if index_left == -1
560                     left_done = true
561                 else
562                     msg 3, "preloading #{$allentries[index_left].path}"
563                     $allentries[index_left].pixbuf_main(false)
564                     loaded << index_left
565                     loaded_left += 1
566                     if loaded_left == $config['preload-distance'].to_i
567                         left_done = true
568                     end
569                 end
570             end
571
572             #- in case just loaded another directory
573             if $preloader_force_exit
574                 $preloader_running = false
575                 $preloader_force_exit = false
576                 return
577             end
578             #- in case moved fast
579             if index != $allentries.index($mainview.get_shown_entry)
580                 msg 3, "*** >>>> moved already, rerun"
581                 $preloader_running = false
582                 run_preloader_real
583                 return
584             end
585         end
586         free_cache(loaded)
587     end
588     $preloader_running = false
589     msg 3, "*** << main preloading finished"
590 end
591
592 def run_preloader
593     if ! $preloader_allowed
594         msg 3, "*** preloader not yet allowed"
595         return
596     end
597     Gtk.timeout_add(10) {
598         run_preloader_real
599         false
600     }
601 end
602
603 class MainView < Gtk::DrawingArea
604
605     @@borders_thickness = 5
606     @@borders_length = 25
607
608     def MainView.borders_thickness
609         return @@borders_thickness
610     end
611
612     def MainView.get_usable_width(available_width)
613         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
614     end
615
616     def MainView.get_usable_height(available_height)
617         return available_height - @@borders_thickness * 2
618     end
619     
620     def initialize
621         super()
622         signal_connect('expose-event') { draw }
623         signal_connect('configure-event') { update_shown }
624     end
625
626     def try_show_entry(entry)
627         if entry && entry.button
628             entry.button.grab_focus
629         end
630     end
631
632     def set_shown_entry(entry)
633         t1 = Time.now
634         if entry && entry == @entry
635             return
636         end
637         if entry && ! entry.button
638             #- not loaded yet
639             return
640         end
641         @entry = entry
642         redraw
643         run_preloader
644         msg 3, "entry shown in: #{Time.now - t1} s"
645     end
646
647     def get_shown_entry
648         return @entry
649     end
650
651     def show_next_entry(entry)
652         index = $allentries.index(entry)
653         if index < $allentries.size - 1
654             index += 1
655         end
656         while index < $allentries.size - 1 && $allentries[index] && ! $allentries[index].button.visible?
657             index += 1
658         end
659         while $allentries[index] && ! $allentries[index].button.visible? && index > 0
660             index -= 1
661         end
662         if index < $allentries.size && $allentries[index] && $allentries[index].button.visible?
663             try_show_entry($allentries[index])
664         end
665     end
666
667     def redraw
668         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
669         if ! update_shown
670             return
671         end
672         w, h = window.size
673         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
674         window.clear
675         draw
676         window.end_paint
677         Gtk.main_iteration while Gtk.events_pending?
678     end
679
680     def update_shown
681         if @entry
682             $interrupt_loading = false
683             pixbuf = @entry.pixbuf_main(true)
684             $interrupt_loading = true
685             if pixbuf
686                 @pixbuf = pixbuf
687                 width, height = window.size 
688                 @xpos = (width - @pixbuf.width)/2
689                 @ypos = (height - @pixbuf.height)/2
690                 return true
691             else
692                 return false
693             end
694         else
695             @pixbuf = nil
696             return true
697         end
698     end
699
700     def draw
701         if @pixbuf
702             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
703             if @entry && @entry.type == 'video'
704                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
705             end
706             if ! @entry.outline_color.nil?
707                 gc = Gdk::GC.new(window)
708                 colormap.alloc_color(@entry.outline_color, false, true)
709                 gc.set_foreground(@entry.outline_color)
710                 if @entry && @entry.type == 'video'
711                     xleft = @xpos - $videoborder_pixbuf.width
712                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
713                 else
714                     xleft = @xpos
715                     xright = @xpos + @pixbuf.width
716                 end
717                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
718                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
719                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
720                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
721                                                [xleft - @@borders_thickness, @ypos - 1],
722                                                [xleft - 1, @ypos - 1],
723                                                [xleft - 1, @ypos + @pixbuf.height + 1],
724                                                [xright + 1, @ypos + @pixbuf.height + 1],
725                                                [xright + 1, @ypos - 1],
726                                                [xleft - @@borders_thickness, @ypos - 1]])
727             end
728         end
729     end
730 end
731
732 def autoscroll_if_needed(button, center)
733     xpos_left = button.allocation.x
734     xpos_right = button.allocation.x + button.allocation.width
735     hadj = $imagesline_sw.hadjustment
736     current_minx_visible = hadj.value
737     current_maxx_visible = hadj.value + hadj.page_size
738     if ! center
739         if xpos_left < current_minx_visible
740             #- autoscroll left
741             newval = hadj.value - (current_minx_visible - xpos_left)
742             hadj.value = newval
743         elsif xpos_right > current_maxx_visible
744             #- autoscroll right
745             newval = hadj.value + (xpos_right - current_maxx_visible)
746             if newval > hadj.upper - hadj.page_size
747                 newval = hadj.upper - hadj.page_size
748             end
749             hadj.value = newval
750         end
751     else
752         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
753     end
754 end
755
756 def show_popup(parent, msg, *options)
757     dialog = Gtk::Dialog.new
758     if options[0]
759         options = options[0]
760     else
761         options = {}
762     end
763     if options[:title]
764         dialog.title = options[:title]
765     else
766         dialog.title = utf8(_("Booh message"))
767     end
768     lbl = Gtk::Label.new
769     if options[:nomarkup]
770         lbl.text = msg
771     else
772         lbl.markup = msg
773     end
774     if options[:centered]
775         lbl.set_justify(Gtk::Justification::CENTER)
776     end
777     if options[:selectable]
778         lbl.selectable = true
779     end
780     if options[:topwidget]
781         dialog.vbox.add(options[0][:topwidget])
782     end
783     if options[:scrolled]
784         sw = Gtk::ScrolledWindow.new(nil, nil)
785         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
786         sw.add_with_viewport(lbl)
787         dialog.vbox.add(sw)
788         dialog.set_default_size(500, 600)
789     else
790         dialog.vbox.add(lbl)
791         dialog.set_default_size(200, 120)
792     end
793     if options[:bottomwidget]
794         dialog.vbox.add(options[:bottomwidget])
795     end
796     if options[:okcancel]
797         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
798     end
799     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
800
801     if options[:pos_centered]
802         dialog.window_position = Gtk::Window::POS_CENTER
803     else
804         dialog.window_position = Gtk::Window::POS_MOUSE
805     end
806
807     if options[:linkurl]
808         linkbut = Gtk::Button.new('')
809         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
810         linkbut.signal_connect('clicked') {
811             open_url(options[0][:linkurl] + '/index.html')
812             dialog.response(Gtk::Dialog::RESPONSE_OK)
813             set_mousecursor_normal
814         }
815         linkbut.relief = Gtk::RELIEF_NONE
816         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
817         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
818         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
819     end
820
821     dialog.show_all
822
823     if options[:stuff_connector]
824         options[:stuff_connector].call({ :dialog => dialog })
825     end
826                                         
827     if !options[:not_transient]
828         dialog.transient_for = parent
829         dialog.run { |response|
830             if options[:data_getter]
831                 options[:data_getter].call
832             end
833             dialog.destroy
834             if options[:okcancel]
835                 return response == Gtk::Dialog::RESPONSE_OK
836             end
837         }
838     else
839         dialog.signal_connect('response') { dialog.destroy }
840     end
841 end
842
843 def view_entry(entry)
844     if entry.type == 'image'
845         show_popup($main_window,
846                    utf8(`exif -m '#{entry.path}'`),
847                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
848     else
849         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
850         msg 2, cmd
851         system(cmd)
852     end
853 end
854
855 def thumbnail_keypressed(entry, event)
856     if event.state & Gdk::Window::MOD1_MASK != 0
857         #- ALT pressed: Alt-Left and Alft-Right rotate
858         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
859             if event.keyval == Gdk::Keyval::GDK_Left
860                 entry.angle = (entry.angle - 90) % 360
861             else
862                 entry.angle = (entry.angle + 90) % 360
863             end
864             entry.free_pixbuf_full
865             entry.free_pixbuf_main
866             entry.free_pixbuf_thumbnail
867             $mainview.redraw
868             entry.image.pixbuf = entry.pixbuf_thumbnail
869             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
870                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
871             end
872         end
873
874     elsif event.state & Gdk::Window::CONTROL_MASK != 0
875         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
876         if event.keyval == Gdk::Keyval::GDK_z
877             perform_undo
878         end
879         if event.keyval == Gdk::Keyval::GDK_r
880             perform_redo
881         end
882         if event.keyval == Gdk::Keyval::GDK_space
883             shown = $mainview.get_shown_entry
884             shown and autoscroll_if_needed(shown.button, true)
885         end
886
887     else
888         removed_before = entry.removed
889         label_before = entry.labeled
890
891         if event.keyval == Gdk::Keyval::GDK_Delete
892             entry.removed = true
893             entry.labeled = nil
894             entry.show_bg
895             update_visibility(entry)
896             $mainview.show_next_entry(entry)
897
898             save_undo(_("set for removal"),
899                       proc {
900                           entry.removed = removed_before
901                           entry.labeled = label_before
902                           entry.show_bg
903                           update_visibility(entry)
904                           if entry.button.visible?
905                               $mainview.try_show_entry(entry)
906                           end
907                           proc {
908                               entry.removed = true
909                               entry.labeled = nil
910                               entry.show_bg
911                               update_visibility(entry)
912                               if entry.button.visible?
913                                   $mainview.try_show_entry(entry)
914                               end
915                           }
916                       })
917
918         elsif event.keyval == Gdk::Keyval::GDK_space
919             if entry.labeled
920                 msg = _("Cleared label")
921             elsif entry.removed
922                 msg = _("Cleared set for removal")
923             end
924             entry.removed = false
925             entry.labeled = nil
926             entry.show_bg
927             $mainview.show_next_entry(entry)
928
929             save_undo(msg,
930                       proc {
931                           entry.removed = removed_before
932                           entry.labeled = label_before
933                           entry.show_bg
934                           $mainview.try_show_entry(entry)
935                           proc {
936                               entry.removed = false
937                               entry.labeled = nil
938                               entry.show_bg
939                               $mainview.try_show_entry(entry)
940                           }
941                       })
942
943         elsif event.keyval == Gdk::Keyval::GDK_Return
944             view_entry(entry)
945
946         else
947             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
948             if char =~ /^[a-zA-z0-9]$/
949                 label = $labels[char]
950                 
951                 if label.nil?
952                     vb = Gtk::VBox.new(false, 0)
953                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
954                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
955                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
956                     bt.signal_connect('color-set') { color = bt.color }
957                     text = nil
958                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
959                         while $labels.has_key?(labelentry.text[0,1])
960                             labelentry.text = labelentry.text.sub(/./, '')
961                         end
962                     }
963                     if show_popup($main_window,
964                                   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,
965                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
966                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
967                                                                        labelentry.position = -1
968                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
969                         if text.length > 0
970                             char = text[0,1]  #- in case it changed
971                             label = Label.new(text)
972                             label.color = color
973                             $labels[char] = label
974                             $ordered_labels << label
975                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
976                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
977                             label.button.active = true
978                             label.button.signal_connect('toggled') { update_all_visibilities }
979                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
980                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
981                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
982                         end
983                     end
984                 end
985
986                 if label
987                     entry.removed = false
988                     entry.labeled = label
989                     entry.show_bg
990                     update_visibility(entry)
991                     $mainview.show_next_entry(entry)
992
993                     save_undo(_("set label"),
994                               proc {
995                                   entry.removed = removed_before
996                                   entry.labeled = label_before
997                                   entry.show_bg
998                                   update_visibility(entry)
999                                   if entry.button.visible?
1000                                       $mainview.try_show_entry(entry)
1001                                   end
1002                                   proc {
1003                                       entry.removed = false
1004                                       entry.labeled = label
1005                                       entry.show_bg
1006                                       update_visibility(entry)
1007                                       if entry.button.visible?
1008                                           $mainview.try_show_entry(entry)
1009                                       end
1010                                   }
1011                               })
1012                 end
1013             end
1014         end
1015     end
1016 end
1017
1018 def sb_msg(msg)
1019     $statusbar.pop(0)
1020     if msg
1021         $statusbar.push(0, utf8(msg))
1022     end
1023 end
1024
1025 def show_entry(entry, i, tips)
1026     #- scope entry
1027     #msg 3, "showing entry #{entry}"
1028     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1029     if entry.type == 'video'
1030         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1031                                            pack_start(entry.image).
1032                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1033         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1034         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1035     else
1036         entry.button = Gtk::Button.new.add(entry.image)
1037     end
1038     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1039     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1040     entry.button.signal_connect('clicked') {
1041         shown = $mainview.get_shown_entry
1042         if shown != entry
1043             shown and shown.alignment.set(0.5, 1, 0, 0)
1044             entry.alignment.set(0.5, 0, 0, 0)
1045             autoscroll_if_needed(entry.button, false)
1046             $mainview.set_shown_entry(entry)
1047         end
1048     }
1049     entry.button.signal_connect('button-press-event') { |w, event|
1050         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1051             video_view(entry)
1052         end
1053     }
1054     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1055     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1056     if i == 0
1057         entry.button.grab_focus
1058     end
1059     update_visibility(entry)
1060     Gtk.main_iteration while Gtk.events_pending?
1061 end
1062
1063 def show_entries(allentries)
1064     sb_msg(_("Loading images..."))
1065     $loading_progressbar.fraction = 0
1066     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1067     $loading_progressbar.show
1068     t1 = Time.now
1069     total_loaded_files = 0
1070     total_loaded_size = 0
1071     i = 0
1072     tips = Gtk::Tooltips.new
1073     while i < allentries.size
1074 #        printf "%d %s\n", i, __LINE__
1075         entry = allentries[i]
1076         if i == 0
1077             loaded_pixbuf = entry.pixbuf_main(false)
1078         else
1079             loaded_pixbuf = entry.pixbuf_thumbnail
1080         end
1081         if $allentries != allentries
1082             #- loaded another directory while this one was not yet finished
1083             msg 3, "allentries differ, stopping this deprecated load"
1084             return
1085         end
1086
1087         if loaded_pixbuf
1088             show_entry(entry, i, tips)
1089             if $allentries != allentries
1090                 #- loaded another directory while this one was not yet finished
1091                 msg 3, "allentries differ, stopping this deprecated load"
1092                 return
1093             end
1094
1095             total_loaded_size += file_size(entry.path)
1096             total_loaded_files += 1
1097             i += 1
1098             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1099                 #- when we're at preload distance, beging preloading to preload distance
1100                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1101             end
1102             if i == $config['preload-distance'].to_i * 2 + 1
1103                 #- when we're after double preload distance, activate normal preloading
1104                 $preloader_allowed = true
1105             end
1106             
1107         else
1108             allentries.delete_at(i)
1109         end
1110         $loading_progressbar.fraction = i.to_f / allentries.size
1111         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1112         if $quit
1113             return
1114         end
1115     end
1116     if i <= $config['preload-distance'].to_i * 2
1117         #- not yet preloaded correctly
1118         $preloader_allowed = true
1119         run_preloader
1120     end
1121     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1122     $loading_progressbar.hide
1123     $execute.sensitive = true
1124 end
1125
1126 def reset_all
1127     reset_labels
1128     reset_thumbnails
1129     $mainview.set_shown_entry(nil)
1130     sb_msg(nil)
1131     $preloader_allowed = false
1132     $execute.sensitive = false
1133 end
1134
1135 def open_dir(*paths)
1136     #- remove visual stuff, so that user will see something is happening
1137     reset_all
1138     sb_msg(_("Scanning source directory..."))
1139     Gtk.main_iteration while Gtk.events_pending?
1140
1141     for path in paths
1142         path = File.expand_path(path.sub(%r|/$|, ''))
1143         $workingdir = path
1144         entries = []
1145         if File.directory?(path)
1146             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1147             #- validate first
1148             examined_dirs.each { |dir|
1149                 if dir =~ /'/
1150                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1151                 end
1152                 Dir.entries(dir).each { |file|
1153                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1154                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1155                     end
1156                 }
1157             }
1158             
1159             #- scan for populate second
1160             examined_dirs.each { |dir|
1161                 if File.basename(dir) =~ /^\./
1162                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1163                     next
1164                 end
1165                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1166             }
1167
1168         else
1169             entries << path
1170         end
1171
1172         if $sort_by_exif_date
1173             dates = {}
1174             entries.each { |file|
1175                 date_time = Exif.datetimeoriginal(file)
1176                 if ! date_time.nil?
1177                     dates[file] = date_time
1178                 end
1179             }
1180             entries = smartsort(entries, dates)
1181         else
1182             entries.sort!
1183         end
1184         entries.each { |file|
1185             type = entry2type(file)
1186             if type
1187                 if File.directory?(path)
1188                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1189                 else
1190                     $allentries << Entry.new(file, type, file)
1191                 end
1192             end
1193         }
1194     end
1195     return nil
1196 end
1197
1198 def open_dir_popup
1199     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1200                                     nil,
1201                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1202                                     nil,
1203                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1204     fc.transient_for = $main_window
1205     if $workingdir
1206         fc.current_folder = $workingdir
1207     end
1208     ok = false
1209     load = false
1210     while !ok
1211         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1212             msg = open_dir(fc.filename)
1213             if msg
1214                 show_popup(fc, msg)
1215                 ok = false
1216             else
1217                 ok = true
1218                 load = true
1219             end
1220         else
1221             ok = true
1222         end
1223     end
1224     fc.destroy
1225     if load
1226         show_entries($allentries)
1227     end
1228 end
1229
1230 def try_quit(*options)
1231     if ! $allentries.detect { |e| e.removed || e.labeled } ||
1232        show_popup($main_window,
1233                   utf8(_("Are you sure you want to quit?")),
1234                   { :okcancel => true })
1235         Gtk.main_quit
1236         $quit = true
1237     end
1238 end
1239
1240 def execute
1241     dialog = Gtk::Dialog.new
1242     dialog.title = utf8(_("Booh message"))
1243
1244     vb1 = Gtk::VBox.new(false, 5)
1245     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!")))
1246     vb1.pack_start(label, false, false)
1247
1248     lastpath = $workingdir
1249
1250     table = Gtk::Table.new(0, 0, false)
1251     table.set_row_spacings(5)
1252     table.set_column_spacings(5)
1253     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)
1254     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)
1255     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)
1256     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)
1257     add_row = proc { |row, name, color, truthproc, normal|
1258         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)),
1259                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1260         counter = 0
1261         examples = Gtk::HBox.new(false, 5)
1262         $allentries.each { |entry|
1263             if truthproc.call(entry)
1264                 counter += 1
1265                 if counter < 4
1266                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1267                     if entry.type == 'video'
1268                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1269                                                   pack_start(thumbnail).
1270                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1271                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1272                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1273                     end
1274                     examples.pack_start(thumbnail, false, false)
1275                 elsif counter == 4
1276                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1277                 end
1278             end
1279         }
1280         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1281         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1282
1283         if counter == 0
1284             return {}
1285         end
1286
1287         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1288         iter = combostore.append
1289         if normal
1290             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1291             iter[1] = utf8(_("Copy to:"))
1292             iter = combostore.append
1293             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1294             iter[1] = utf8(_("Move to:"))
1295         else
1296             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1297             iter[1] = utf8(_("Permanently remove"))
1298         end
1299         iter = combostore.append
1300         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1301         iter[1] = utf8(_("Do nothing"))
1302         combo = Gtk::ComboBox.new(combostore)
1303         combo.active = 0
1304         renderer = Gtk::CellRendererPixbuf.new
1305         combo.pack_start(renderer, false)
1306         combo.set_attributes(renderer, :pixbuf => 0)
1307         renderer = Gtk::CellRendererText.new
1308         combo.pack_start(renderer, true)
1309         combo.set_attributes(renderer, :text => 1)
1310
1311         if normal
1312             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1313             pathbutton.signal_connect('clicked') {
1314                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1315                                                 nil,
1316                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1317                                                 nil,
1318                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1319                 fc.transient_for = dialog
1320                 if lastpath
1321                     fc.current_folder = lastpath
1322                 end
1323                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1324                     pathlabel.text = fc.filename
1325                     pathlabel.set_alignment(0, 0.5)
1326                 end
1327                 lastpath = fc.filename
1328                 fc.destroy
1329             }
1330             combo.signal_connect('changed') {
1331                 pathbutton.sensitive = combo.active <= 1
1332             }
1333             vb = Gtk::VBox.new(false, 5)
1334             vb.pack_start(combo, false, false)
1335             vb.pack_start(pathbutton, false, false)
1336             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1337             { :combo => combo, :pathlabel => pathlabel }
1338         else
1339             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1340             { :combo => combo }
1341         end
1342     }
1343     stuff = {}
1344     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1345     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1346     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1347
1348     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1349     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1350     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 ]))
1351     if toremove_amount > 0
1352         vb1.pack_start(check_removal, false, false)
1353         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1354             check_removal.sensitive = widget.active == 0
1355         }
1356     end
1357
1358     dialog.vbox.add(vb1)
1359
1360     dialog.set_default_size(800, 600)
1361     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1362     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1363     dialog.window_position = Gtk::Window::POS_MOUSE
1364     dialog.transient_for = $main_window
1365
1366     dialog.show_all
1367
1368     while true
1369         dialog.run { |response|        
1370             if response == Gtk::Dialog::RESPONSE_OK
1371                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1372                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1373                     break
1374                 end
1375                 problem = false
1376                 label2entries = {}
1377                 $labels.values.each { |label| label2entries[label] = [] }
1378                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1379                 stuff.keys.each { |key|
1380                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1381                         destination = stuff[key][:pathlabel].text
1382                         if destination[0] != ?/
1383                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1384                             problem = true
1385                             break
1386                         end
1387                         begin
1388                             Dir.mkdir(destination)
1389                         rescue Errno::EEXIST
1390                         end
1391                         begin
1392                             st = File.stat(destination)
1393                         rescue
1394                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1395                             problem = true
1396                             break
1397                         end
1398                         if ! st.directory? || ! st.writable?
1399                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1400                             problem = true
1401                             break
1402                         end
1403                         label2entries[key].each { |entry|
1404                             begin
1405                                 File.stat(File.join(destination, File.basename(entry.path)))
1406                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1407                                 problem = true
1408                                 break
1409                             rescue
1410                             end
1411                         }
1412                         if problem
1413                             break
1414                         end
1415                     end
1416                 }
1417                 if ! problem
1418                     begin
1419                         moved = 0
1420                         copied = 0
1421                         stuff.keys.each { |key|
1422                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1423                                 destination = stuff[key][:pathlabel].text
1424                                 label2entries[key].each { |entry|
1425                                     if stuff[key][:combo].active == 0
1426                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1427                                         copied += 1
1428                                     elsif stuff[key][:combo].active == 1
1429                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1430                                         moved += 1
1431                                     end
1432                                 }
1433                             end
1434                         }
1435                         removed = 0
1436                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1437                             $allentries.each { |entry|
1438                                 if entry.removed
1439                                     File.delete(entry.path)
1440                                     removed += 1
1441                                 end
1442                             }
1443                         end
1444                     rescue
1445                         msg 1, "woops: #{$!}"
1446                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1447                     end
1448                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1449                     dialog.destroy
1450                     reset_all
1451                     return
1452                 end
1453
1454             else
1455                 dialog.destroy
1456                 return
1457             end
1458         }
1459     end
1460 end
1461
1462 def visible(entry)
1463     if ! entry.button
1464         #- not yet loaded
1465         return
1466     end
1467     if entry.labeled
1468         if entry.labeled.button.active?
1469             return true
1470         else
1471             return false
1472         end
1473     elsif entry.removed
1474         if $toremove_button.active?
1475             return true
1476         else
1477             return false
1478         end
1479     else
1480         if $unlabelled_button.active?
1481             return true
1482         else
1483             return false
1484         end
1485     end
1486 end
1487
1488 def update_visibility(entry)
1489     v = visible(entry)
1490     if v.nil?
1491         return
1492     end
1493     if v
1494         entry.button.show
1495     else
1496         entry.button.hide
1497     end
1498 end
1499         
1500 def update_all_visibilities_aux
1501     $allentries.each { |entry|
1502         update_visibility(entry)
1503     }
1504     shown = $mainview.get_shown_entry
1505     shown or return
1506     while shown.button && ! shown.button.visible? && shown != $allentries.last
1507         shown = $allentries[$allentries.index(shown) + 1]
1508     end 
1509     if shown.button && shown.button.visible?
1510         shown.button.grab_focus
1511         return
1512     end
1513     $allentries.reverse.each { |entry|
1514         if entry.button && entry.button.visible?
1515             entry.button.grab_focus
1516             return
1517         end
1518     }
1519 end
1520
1521 def update_all_visibilities
1522     update_all_visibilities_aux
1523     Gtk.main_iteration while Gtk.events_pending?
1524     shown = $mainview.get_shown_entry
1525     shown and autoscroll_if_needed(shown.button, false)
1526 end
1527
1528
1529 def preferences
1530     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1531                              $main_window,
1532                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1533                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1534                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1535
1536     tooltips = Gtk::Tooltips.new
1537
1538     table_y = 0
1539
1540     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1541     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1542                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1543     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1544                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1545     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1546
1547     table_y += 1
1548     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1549                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1550     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1551                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1552     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1553
1554     table_y += 1
1555     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1556                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1557     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1558                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1559     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1560
1561     table_y += 1
1562     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1563                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1564     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)),
1565                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1566     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1567
1568     table_y += 1
1569     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1570                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1571     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1572                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1573     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1574                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1575                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1576     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1577     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1578     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1579                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1580                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1581     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1582     cache_memfree_radio.signal_connect('toggled') {
1583         if cache_memfree_radio.active?
1584             cache_memfree_label.sensitive = true
1585             cache_specify_label.sensitive = false
1586         else
1587             cache_specify_label.sensitive = true
1588             cache_memfree_label.sensitive = false
1589         end
1590     }
1591     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1592     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1593         cache_memfree_spin.value = $1.to_i
1594     else
1595         cache_specify_spin.value = $config['cache-memory-use'].to_i
1596     end
1597
1598     table_y += 1
1599     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1600                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1601     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1602     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1603
1604     dialog.vbox.show_all
1605     dialog.run { |response|
1606         if response == Gtk::Dialog::RESPONSE_OK
1607             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1608             $config['browser'] = from_utf8(browser_entry.text)
1609             $config['thumbnails-height'] = thumbnails_height.value
1610             $config['preload-distance'] = preload_distance.value
1611             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1612             if cache_memfree_radio.active?
1613                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1614             else
1615                 $config['cache-memory-use'] = cache_specify_spin.value
1616             end
1617             set_cache_memory_use_figure
1618         end
1619     }
1620     dialog.destroy
1621 end
1622
1623 def perform_undo
1624     if $undo_mb.sensitive?
1625         $redo_mb.sensitive = true
1626         if not more_undoes = UndoHandler.undo($statusbar)
1627             $undo_mb.sensitive = false
1628         end
1629     end
1630 end
1631
1632 def perform_redo
1633     if $redo_mb.sensitive?
1634         $undo_mb.sensitive = true
1635         if not more_redoes = UndoHandler.redo($statusbar)
1636             $redo_mb.sensitive = false
1637         end
1638     end
1639 end
1640
1641 def create_menubar    
1642     #- menu
1643     mb = Gtk::MenuBar.new
1644
1645     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1646     filesubmenu = Gtk::Menu.new
1647     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1648     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1649     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1650     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1651     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1652     filemenu.set_submenu(filesubmenu)
1653     mb.append(filemenu)
1654
1655     open.signal_connect('activate') { open_dir_popup }
1656     $execute.signal_connect('activate') { execute }
1657     quit.signal_connect('activate') { try_quit }
1658
1659     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1660     editsubmenu = Gtk::Menu.new
1661     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1662     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1663     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1664     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1665     editmenu.set_submenu(editsubmenu)
1666     mb.append(editmenu)
1667
1668     $undo_mb.signal_connect('activate') { perform_undo }
1669     $redo_mb.signal_connect('activate') { perform_redo }
1670     prefs.signal_connect('activate') { preferences }
1671     
1672     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1673     helpsubmenu = Gtk::Menu.new
1674     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1675     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1676     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1677     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1678     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1679     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1680     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1681     helpmenu.set_submenu(helpsubmenu)
1682     mb.append(helpmenu)
1683
1684     howto.signal_connect('activate') {
1685         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1686
1687 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1688 show thumbnails for all photos and videos at the bottom.
1689
1690 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1691 on thumbnails.
1692
1693 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1694 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1695 The first time you hit a key without any label associated, a popup will ask for the full
1696 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1697
1698 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1699 some of them by unchecking the labels checkboxes on the left.
1700
1701 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1702 actions according to associated labels. You can permanently remove (or not) images with
1703 the <i>to remove</i> label, and copy or move images with the labels you defined.
1704 ")), { :pos_centered => true, :not_transient => true })
1705     }
1706     speed.signal_connect('activate') {
1707         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1708
1709 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1710 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1711 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1712 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1713 <span foreground='darkblue'>Space</span>: clear any label on current image
1714 <span foreground='darkblue'>Control-z</span>: undo
1715 <span foreground='darkblue'>Control-r</span>: redo
1716 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1717
1718 Any alphabetical key will assign (or popup for) the associated label on current image.
1719 ")), { :pos_centered => true, :not_transient => true })
1720     }
1721     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1722     about.signal_connect('activate') { call_about }
1723
1724
1725     #- no toolbar, to save height
1726
1727     return mb
1728 end
1729
1730 def reset_labels
1731     for child in $labels_vbox.children
1732         $labels_vbox.remove(child)
1733     end
1734     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1735     $labels = {}
1736     $ordered_labels = []
1737     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1738     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1739     $unlabelled_button.active = true
1740     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1741     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1742     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1743     $toremove_button.active = true
1744     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1745     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1746     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1747     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1748 end
1749
1750 def reset_thumbnails
1751     $allentries = []
1752     if $preloader_running
1753         $preloader_force_exit = true
1754     end
1755     for child in $imagesline.children
1756         $imagesline.remove(child)
1757     end
1758     set_imagesline_size_request
1759 end
1760
1761 def set_imagesline_size_request
1762     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1763 end
1764
1765 def create_main_window
1766
1767     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1768     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1769
1770     mb = create_menubar
1771
1772     main_vbox = Gtk::VBox.new(false, 0)
1773     main_vbox.pack_start(mb, false, false)
1774     mainview_hbox = Gtk::HBox.new
1775     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1776     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1777     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1778     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1779     main_vbox.pack_start(mainview_hbox, true, true)
1780     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1781     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1782     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1783     main_vbox.pack_start($imagesline_sw, false, false)
1784     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1785
1786     set_imagesline_size_request
1787
1788     $main_window = create_window
1789     $main_window.add(main_vbox)
1790     $main_window.signal_connect('delete-event') {
1791         try_quit({ :disallow_cancel => true })
1792     }
1793
1794     #- read/save size and position of window
1795     if $config['pos-x'] && $config['pos-y']
1796         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1797     else
1798         $main_window.window_position = Gtk::Window::POS_CENTER
1799     end
1800     msg 3, "size: #{$config['width']}x#{$config['height']}"
1801     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1802     $main_window.signal_connect('configure-event') {
1803         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1804         x, y = $main_window.window.root_origin
1805         width, height = $main_window.window.size
1806         $config['pos-x'] = x
1807         $config['pos-y'] = y
1808         $config['width'] = width
1809         $config['height'] = height
1810         false
1811     }
1812
1813     $main_window.show_all
1814     $loading_progressbar.hide
1815 end
1816
1817
1818 handle_options
1819 read_config
1820 Gtk.init
1821
1822
1823 create_main_window
1824 check_config
1825
1826 if ARGV[0]
1827     if msg = open_dir(*ARGV)
1828         puts msg
1829     else
1830         Gtk.idle_add {
1831             show_entries($allentries)
1832             false
1833         }
1834     end
1835 end
1836 Gtk.main
1837
1838 write_config