support gimp 2.6 doesn't have gimp-remote anymore, and a few related improvements...
[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) 2004-2009 Guillaume Cottenceau <http://zarb.org/~gc/resource/gc_mail.png>
14 #
15 # This software may be freely redistributed under the terms of the GNU
16 # public license version 2.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
22 require 'getoptlong'
23 require 'tempfile'
24
25 require 'gtk2'
26 require 'booh/libadds'
27
28 require 'gettext'
29 include GetText
30 bindtextdomain("booh")
31
32 require 'booh/rexml/document'
33 include REXML
34
35 require 'booh/booh-lib'
36 include Booh
37 require 'booh/UndoHandler'
38
39
40 #- options
41 $options = [
42     [ '--help',          '-h', GetoptLong::NO_ARGUMENT, _("Get help message") ],
43     [ '--sort-by-exif-date', '-s', GetoptLong::NO_ARGUMENT, _("Sort entries by EXIF date") ],
44     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
45     [ '--version',       '-V', GetoptLong::NO_ARGUMENT, _("Print version and exit") ],
46 ]
47
48 $preloader_allowed = false
49
50 def usage
51     puts _("Usage: %s [OPTION]...") % File.basename($0)
52     $options.each { |ary|
53         printf " %3s, %-15s %s\n", ary[1], ary[0], ary[3]
54     }
55 end
56
57 def handle_options
58     parser = GetoptLong.new
59     parser.set_options(*$options.collect { |ary| ary[0..2] })
60     begin
61         parser.each_option do |name, arg|
62             case name
63             when '--help'
64                 usage
65                 exit(0)
66
67             when '--sort-by-exif-date'
68                 $sort_by_exif_date = true
69
70             when '--verbose-level'
71                 $verbose_level = arg.to_i
72
73             when '--version'
74                 puts _("Booh version %s
75
76 Copyright (c) 2005-2009 Guillaume Cottenceau.
77 This is free software; see the source for copying conditions.  There is NO
78 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") % $VERSION
79
80                 exit(0)
81
82             end
83         end
84     rescue
85         puts $!
86         usage
87         exit(1)
88     end
89 end
90
91 def startup_memfree
92     if $startup_memfree.nil?
93         meminfo = IO.readlines('/proc/meminfo').join
94         meminfo =~ /MemFree:.*?(\d+)/ or return -1
95         memfree = $1
96         meminfo =~ /Buffers:.*?(\d+)/ and buffers = $1
97         meminfo =~ /Cached:.*?(\d+)/ and cached = $1
98         $startup_memfree = memfree.to_i + buffers.to_i + cached.to_i
99     end
100     return $startup_memfree
101 end
102
103 def set_cache_memory_use_figure
104     
105     if $config['cache-memory-use'] =~ /memfree_(\d+)/
106         $config['cache-memory-use-figure'] = startup_memfree*$1.to_f/100
107     else
108         $config['cache-memory-use-figure'] = $config['cache-memory-use'].to_i
109     end
110     msg 2, _("Cache memory used: %s kB") % $config['cache-memory-use-figure']
111 end
112
113 def read_config
114     $config = {}
115     $config_file = File.expand_path('~/.booh-classifier-rc')
116     if File.readable?($config_file)
117         $xmldoc = REXML::Document.new(File.new($config_file))
118         $xmldoc.root.elements.each { |element|
119             txt = element.get_text
120             if txt
121                 if txt.value =~ /~~~/
122                     $config[element.name] = txt.value.split(/~~~/)
123                 else
124                     $config[element.name] = txt.value
125                 end
126             elsif element.elements.size == 0
127                 $config[element.name] = ''
128             else
129                 $config[element.name] = {}
130                 element.each { |chld|
131                     txt = chld.get_text
132                     $config[element.name][chld.name] = txt ? txt.value : nil
133                 }
134             end
135         }
136     end
137     $config['video-viewer'] ||= '/usr/bin/mplayer %f'
138     $config['browser'] ||= "/usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f"
139     $config['preload-distance'] ||= '5'
140     $config['cache-memory-use'] ||= 'memfree_80%'
141     $config['rotate-set-exif'] ||= 'true'
142     $config['thumbnails-height'] ||= '64'
143     set_cache_memory_use_figure
144 end
145
146 def check_config
147     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
148     if missing != []
149         show_popup($main_window, utf8(_("The following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')), { :pos_centered => true })
150     end
151
152     if !system("which exif >/dev/null 2>/dev/null")
153         show_popup($main_window, utf8(_("The program 'exif' is needed to view EXIF data. Please install it.")), { :pos_centered => true })
154     end
155     viewer_binary = $config['video-viewer'].split.first
156     if viewer_binary && ! File.executable?(viewer_binary)
157         show_popup($main_window, utf8(_("The configured video viewer seems to be unavailable.
158 You should fix this in Edit/Preferences so that you can view videos.
159
160 Problem was: '%s' is not an executable file.
161 Hint: don't forget to specify the full path to the executable,
162 e.g. '/usr/bin/mplayer' is correct but 'mplayer' only is not.") % viewer_binary), { :pos_centered => true, :not_transient => true })
163     end
164     check_browser
165 end
166
167 def write_config
168     ios = File.open($config_file, "w")
169     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
170     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
171     $config.each_pair { |key, value|
172         elem = $xmldoc.root.add_element key
173         if value.is_a? Hash
174             $config[key].each_pair { |subkey, subvalue|
175                 subelem = elem.add_element subkey
176                 subelem.add_text subvalue.to_s
177             }
178         elsif value.is_a? Array
179             elem.add_text value.join('~~~')
180         else
181             if !value
182                 elem.remove
183             else
184                 elem.add_text value.to_s
185             end
186         end
187     }
188     $xmldoc.write(ios, 0)
189     ios.close
190 end
191
192 def save_undo(name, closure, *params)
193     UndoHandler.save_undo(name, closure, [ *params ])
194     $undo_mb.sensitive = true
195     $redo_mb.sensitive = false
196 end
197
198 def get_mem
199     IO.readlines('/proc/self/status').join =~ /VmRSS.*?(\d+)\s*kB/
200     msg 3, "RSS: #{$1}"
201     return $1.to_i
202 end
203
204 def show_mem(*txt)
205     txt.length > 0 and print txt[0]
206     msg 2, "RSS: #{get_mem}"
207 end
208
209 class Gdk::Color
210     def darker
211         color = dup
212         color.red = [ color.red - 10000, 0 ].max
213         color.green = [ color.green - 10000, 0 ].max
214         color.blue = [ color.blue - 10000, 0 ].max
215         return color
216     end
217     def lighter
218         color = dup
219         color.red = [ color.red + 10000, 65535 ].min
220         color.green = [ color.green + 10000, 65535 ].min
221         color.blue = [ color.blue + 10000, 65535 ].min
222         return color
223     end
224 end
225
226 $color_red = Gdk::Color.new(65535, 0, 0)
227 $colors = [ Gdk::Color.new(0, 65535, 0),
228             Gdk::Color.new(0, 0, 65535),
229             Gdk::Color.new(65535, 65535, 0),
230             Gdk::Color.new(0, 65535, 65535),
231             Gdk::Color.new(65535, 0, 65535) ]
232
233 class Label
234     attr_accessor :color, :name, :button
235     def initialize(name)
236         @name = name
237     end
238 end
239
240 class Entry
241     @@max_width = nil
242     def Entry.thumbnails_height
243         return $config['thumbnails-height'].to_i
244     end
245
246     attr_accessor :path, :guipath, :type, :angle, :button, :image, :alignment, :removed, :labeled
247
248     def initialize(path, type, guipath)
249         @path = path
250         @type = type
251         @guipath = guipath
252         if @@max_width.nil?
253             @@max_width = $main_window.root_window.size[0] - $labels_vbox.allocation.width - ( $videoborder_pixbuf.width + MainView.borders_thickness) * 2
254         end
255     end
256
257     def pixbuf_full
258         if @pixbuf_full.nil?
259             msg 3, ">>> pixbuf_full #{path}"
260             load_into_pixbuf_full
261         end
262         return @pixbuf_full
263     end
264     def free_pixbuf_full
265         if @pixbuf_full.nil?
266             return false
267         else
268             msg 3, ">>> free_pixbuf_full #{path}"
269             @pixbuf_full = nil
270             return true
271         end
272     end
273     def pixbuf_main(interruptable)
274         width, height = $mainview.window.size 
275         width = MainView.get_usable_width(width)
276         height = MainView.get_usable_height(height)
277         if @pixbuf_main.nil? || width != @width || height != @height
278             msg 3, ">>> pixbuf_main #{path}"
279             @width = width
280             @height = height
281             load_into_pixbuf_full(interruptable)  #- make sure it is loaded
282             if @pixbuf_full.nil?
283                 return
284             end
285             if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
286                 resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
287                 if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
288                     @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
289                 else
290                     @pixbuf_main = @pixbuf_full
291                 end
292             else
293                 resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
294                 if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
295                     @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
296                 else
297                     @pixbuf_main = @pixbuf_full
298                 end
299             end
300         end
301         return @pixbuf_main
302     end
303     def free_pixbuf_main
304         if @pixbuf_main.nil?
305             return false
306         else
307             msg 3, ">>> free_pixbuf_main #{path}"
308             @pixbuf_main = nil
309             return true
310         end
311     end
312     def pixbuf_thumbnail
313         if @pixbuf_thumbnail.nil?
314             if @pixbuf_main
315                 msg 3, ">>> pixbuf_thumbnail from main #{path}"
316                 @pixbuf_thumbnail = @pixbuf_main.scale(@pixbuf_main.width * (Entry.thumbnails_height.to_f/@pixbuf_main.height), Entry.thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
317             else
318                 msg 3, ">>> pixbuf_thumbnail from file #{path}"
319                 @pixbuf_thumbnail = load_into_pixbuf_at_size(false) { |w, h|
320                     if @angle == 0
321                         if h > Entry.thumbnails_height
322                             [ w * Entry.thumbnails_height.to_f/h, Entry.thumbnails_height ]
323                         else
324                             [ w, h ]
325                         end
326                     else
327                         if w > Entry.thumbnails_height
328                             [ Entry.thumbnails_height, h * Entry.thumbnails_height.to_f/w ]
329                         else
330                             [ w, h ]
331                         end
332                     end
333                 }
334             end
335         end
336         return @pixbuf_thumbnail
337     end
338     def free_pixbuf_thumbnail
339         if @pixbuf_thumbnail.nil?
340             return false
341         else
342             msg 3, ">>> free_pixbuf_thumbnail #{path}"
343             @pixbuf_thumbnail = nil
344             return true
345         end
346     end
347
348     def outline_color
349         if removed
350             return $color_red
351         elsif labeled
352             return labeled.color
353         else
354             return nil
355         end
356     end
357
358     def show_bg
359         if outline_color.nil?
360             button.modify_bg(Gtk::StateType::NORMAL, nil)
361             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
362             button.modify_bg(Gtk::StateType::ACTIVE, nil)
363         else
364             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
365             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
366             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
367         end
368     end
369
370     def get_beautified_name
371         if type == 'image'
372             size = get_image_size(path)
373             return _("%s (%sx%s, %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
374                                              size[:x],
375                                              size[:y],
376                                              commify(file_size(path)/1024)]
377         else
378             return _("%s (video - %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
379                                              commify(file_size(path)/1024)]
380         end
381     end
382
383     private
384     def cleanup_dir(dir)
385         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
386         Dir.delete(dir)
387     end
388
389     def load_into_pixbuf_full(interruptable)
390         if @pixbuf_full.nil?
391             msg 3, ">>> load_into_pixbuf_full #{path}"
392             @pixbuf_full = load_into_pixbuf_at_size(interruptable) { |w, h|
393                 if @angle == 0
394                     if w > @@max_width
395                         #- save memory and speedup (+35%) loading 
396                         [ w * (factor = @@max_width.to_f/w), h * factor ]
397                     else
398                         [ w, h ]
399                     end
400                 else
401                     if h > @@max_width
402                         [ w * (factor = @@max_width.to_f/h), h * factor ]
403                     else
404                         [ w, h ]
405                     end
406                 end
407             }
408         end
409     end
410
411     def load_into_pixbuf_at_size(interruptable, &specify_size)
412         pixbuf = nil
413         if @type == 'video'
414             tmp = Tempfile.new("boohclassifiertemp")
415             dest_dir = tmp.path
416             tmp.close!
417             Dir.mkdir(dest_dir)
418             orig_base = File.basename(path)
419             tmpdir = gen_video_thumbnail(path, false, 0)
420             if tmpdir.nil?
421                 return
422             end
423             image_path = "#{tmpdir}/00000001.jpg"
424         else
425             image_path = @path
426         end
427         if @angle.nil?
428             if @type == 'image'
429                 @angle = guess_rotate(image_path)
430             else
431                 @angle = 0
432             end
433         end
434         begin
435             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
436             #- if loaded pictures are several MBs large
437             loader = Gdk::PixbufLoader.new
438             loader.signal_connect('size-prepared') { |l, w, h|
439                 r = specify_size.call(w, h)
440                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
441                 loader.set_size(*specify_size.call(w, h))
442             }
443             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
444             if ! loader.load_not_freezing_ui(image_path, interruptable, id)
445                 return
446             end
447             loader.close
448             if pixbuf.nil?
449                 raise "Loaded pixbuf nil - #{path} #{image_path}"
450             end
451         rescue
452             msg 0, "Cannot load #{image_path}: #{$!}"
453             begin
454                 loader.close
455             rescue
456             end
457             return
458         ensure
459             if @type == 'video'
460                 File.delete(image_path)
461                 Dir.rmdir(tmpdir)
462             end
463         end
464         if pixbuf
465             if @angle != 0
466                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
467                 pixbuf = rotate_pixbuf(pixbuf, @angle)
468             end
469         end
470         if @type == 'video'
471             cleanup_dir(dest_dir)
472         end
473         return pixbuf
474     end
475
476     def to_s
477         @path
478     end
479 end
480
481 $allentries = []
482
483 def gc
484     start = Time.now
485     GC.start
486     msg 3, "GC in #{Time.now - start} s"
487 end
488
489 def free_cache(avoid)
490     i = $allentries.index($mainview.get_shown_entry)
491     return if i.nil?
492     start = Time.now
493     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
494         index = i + j
495         if i + j < $allentries.size && ! avoid.include?(i + j)
496             $allentries[i + j].free_pixbuf_full
497             $allentries[i + j].free_pixbuf_main
498         end
499         if i - j >= 0 && ! avoid.include?(i - j)
500             $allentries[i - j].free_pixbuf_full
501             $allentries[i - j].free_pixbuf_main
502         end
503     }
504     msg 3, "freeing done in #{Time.now - start} s"
505     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
506         gc
507         get_mem
508     end
509 end
510
511 def run_preloader_real
512     msg 3, "*** >> main preloading triggered..."
513     if $preloader_running
514         msg 3, "*** >>>>>> already running, return <<<<<<<<"
515         return
516     end
517     $preloader_running = true
518     if $mainview.get_shown_entry
519         if get_mem > $config['cache-memory-use-figure']
520             msg 3, "too much RSS, stopping preloading, triggering GC"
521             $preloader_running = false
522             gc
523             get_mem
524             return
525         end
526         if $config['preload-distance'].to_i == 0
527             free_cache([])
528             return
529         end
530         index = $allentries.index($mainview.get_shown_entry)
531         index_right = index
532         index_left = index
533         loaded_right = 0
534         loaded_left = 0
535         right_done = false
536         left_done = false
537         loaded = []
538         while ! right_done || ! left_done
539             if ! right_done
540                 index_right += 1
541                 while index_right < $allentries.size && ! visible($allentries[index_right])
542                     index_right += 1
543                 end
544                 if index_right == $allentries.size
545                     right_done = true
546                 else
547                     msg 3, "preloading #{$allentries[index_right].path}"
548                     $allentries[index_right].pixbuf_main(false)
549                     loaded << index_right
550                     loaded_right += 1
551                     if loaded_right == $config['preload-distance'].to_i
552                         right_done = true
553                     end
554                 end
555             end
556
557             if ! left_done
558                 index_left -= 1
559                 while index_left >= 0 && ! visible($allentries[index_left])
560                     index_left -= 1
561                 end
562                 if index_left == -1
563                     left_done = true
564                 else
565                     msg 3, "preloading #{$allentries[index_left].path}"
566                     $allentries[index_left].pixbuf_main(false)
567                     loaded << index_left
568                     loaded_left += 1
569                     if loaded_left == $config['preload-distance'].to_i
570                         left_done = true
571                     end
572                 end
573             end
574
575             #- in case just loaded another directory
576             if $preloader_force_exit
577                 $preloader_running = false
578                 $preloader_force_exit = false
579                 return
580             end
581             #- in case moved fast
582             if index != $allentries.index($mainview.get_shown_entry)
583                 msg 3, "*** >>>> moved already, rerun"
584                 $preloader_running = false
585                 run_preloader_real
586                 return
587             end
588         end
589         free_cache(loaded)
590     end
591     $preloader_running = false
592     msg 3, "*** << main preloading finished"
593 end
594
595 def run_preloader
596     if ! $preloader_allowed
597         msg 3, "*** preloader not yet allowed"
598         return
599     end
600     Gtk.timeout_add(10) {
601         run_preloader_real
602         false
603     }
604 end
605
606 class MainView < Gtk::DrawingArea
607
608     @@borders_thickness = 5
609     @@borders_length = 25
610
611     def MainView.borders_thickness
612         return @@borders_thickness
613     end
614
615     def MainView.get_usable_width(available_width)
616         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
617     end
618
619     def MainView.get_usable_height(available_height)
620         return available_height - @@borders_thickness * 2
621     end
622     
623     def initialize
624         super()
625         signal_connect('expose-event') { draw }
626         signal_connect('configure-event') { update_shown }
627     end
628
629     def try_show_entry(entry)
630         if entry && entry.button
631             if entry.button.has_focus?
632                 redraw
633             else
634                 entry.button.grab_focus
635             end
636         end
637     end
638
639     def set_shown_entry(entry)
640         t1 = Time.now
641         if entry && entry == @entry
642             return
643         end
644         if entry && ! entry.button
645             #- not loaded yet
646             return
647         end
648         @entry = entry
649         redraw
650         run_preloader
651         msg 3, "entry shown in: #{Time.now - t1} s"
652     end
653
654     def get_shown_entry
655         return @entry
656     end
657
658     def show_next_entry(entry)
659         index = $allentries.index(entry)
660         if index < $allentries.size - 1
661             index += 1
662         end
663         while index < $allentries.size - 1 && $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible?
664             index += 1
665         end
666         while $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible? && index > 0
667             index -= 1
668         end
669         if index < $allentries.size && $allentries[index] && $allentries[index].button && $allentries[index].button.visible?
670             try_show_entry($allentries[index])
671         end
672     end
673
674     def redraw
675         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
676         if ! update_shown
677             return
678         end
679         w, h = window.size
680         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
681         window.clear
682         draw
683         window.end_paint
684         Gtk.main_iteration while Gtk.events_pending?
685     end
686
687     def update_shown
688         if @entry
689             $interrupt_loading = false
690             pixbuf = @entry.pixbuf_main(true)
691             $interrupt_loading = true
692             if pixbuf
693                 @pixbuf = pixbuf
694                 width, height = window.size 
695                 @xpos = (width - @pixbuf.width)/2
696                 @ypos = (height - @pixbuf.height)/2
697                 return true
698             else
699                 return false
700             end
701         else
702             @pixbuf = nil
703             return true
704         end
705     end
706
707     def draw
708         if @pixbuf
709             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
710             if @entry && @entry.type == 'video'
711                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
712             end
713             if ! @entry.outline_color.nil?
714                 gc = Gdk::GC.new(window)
715                 colormap.alloc_color(@entry.outline_color, false, true)
716                 gc.set_foreground(@entry.outline_color)
717                 if @entry && @entry.type == 'video'
718                     xleft = @xpos - $videoborder_pixbuf.width
719                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
720                 else
721                     xleft = @xpos
722                     xright = @xpos + @pixbuf.width
723                 end
724                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
725                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
726                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
727                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
728                                                [xleft - @@borders_thickness, @ypos - 1],
729                                                [xleft - 1, @ypos - 1],
730                                                [xleft - 1, @ypos + @pixbuf.height + 1],
731                                                [xright + 1, @ypos + @pixbuf.height + 1],
732                                                [xright + 1, @ypos - 1],
733                                                [xleft - @@borders_thickness, @ypos - 1]])
734             end
735         end
736     end
737 end
738
739 def autoscroll_if_needed(button, center)
740     xpos_left = button.allocation.x
741     xpos_right = button.allocation.x + button.allocation.width
742     hadj = $imagesline_sw.hadjustment
743     current_minx_visible = hadj.value
744     current_maxx_visible = hadj.value + hadj.page_size
745     if ! center
746         if xpos_left < current_minx_visible
747             #- autoscroll left
748             newval = hadj.value - (current_minx_visible - xpos_left)
749             hadj.value = newval
750         elsif xpos_right > current_maxx_visible
751             #- autoscroll right
752             newval = hadj.value + (xpos_right - current_maxx_visible)
753             if newval > hadj.upper - hadj.page_size
754                 newval = hadj.upper - hadj.page_size
755             end
756             hadj.value = newval
757         end
758     else
759         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
760     end
761 end
762
763 def show_popup(parent, msg, *options)
764     dialog = Gtk::Dialog.new
765     if options[0]
766         options = options[0]
767     else
768         options = {}
769     end
770     if options[:title]
771         dialog.title = options[:title]
772     else
773         dialog.title = utf8(_("Booh message"))
774     end
775     lbl = Gtk::Label.new
776     if options[:nomarkup]
777         lbl.text = msg
778     else
779         lbl.markup = msg
780     end
781     if options[:centered]
782         lbl.set_justify(Gtk::Justification::CENTER)
783     end
784     if options[:selectable]
785         lbl.selectable = true
786     end
787     if options[:topwidget]
788         dialog.vbox.add(options[0][:topwidget])
789     end
790     if options[:scrolled]
791         sw = Gtk::ScrolledWindow.new(nil, nil)
792         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
793         sw.add_with_viewport(lbl)
794         dialog.vbox.add(sw)
795         dialog.set_default_size(500, 600)
796     else
797         dialog.vbox.add(lbl)
798         dialog.set_default_size(200, 120)
799     end
800     if options[:bottomwidget]
801         dialog.vbox.add(options[:bottomwidget])
802     end
803     if options[:okcancel]
804         cancel = dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
805         if ! options[:bottomwidget]
806             cancel.grab_focus
807         end
808         dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
809     else
810         ok = dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK).grab_focus
811         if ! options[:bottomwidget]
812             ok.grab_focus
813         end
814     end
815
816     if options[:pos_centered]
817         dialog.window_position = Gtk::Window::POS_CENTER
818     else
819         dialog.window_position = Gtk::Window::POS_MOUSE
820     end
821
822     if options[:linkurl]
823         linkbut = Gtk::Button.new('')
824         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
825         linkbut.signal_connect('clicked') {
826             open_url(options[0][:linkurl] + '/index.html')
827             dialog.response(Gtk::Dialog::RESPONSE_OK)
828             set_mousecursor_normal
829         }
830         linkbut.relief = Gtk::RELIEF_NONE
831         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
832         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
833         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
834     end
835
836     dialog.show_all
837
838     if options[:stuff_connector]
839         options[:stuff_connector].call({ :dialog => dialog })
840     end
841                                         
842     if !options[:not_transient]
843         dialog.transient_for = parent
844         dialog.run { |response|
845             if options[:data_getter]
846                 options[:data_getter].call
847             end
848             dialog.destroy
849             if options[:okcancel]
850                 return response == Gtk::Dialog::RESPONSE_OK
851             end
852         }
853     else
854         dialog.signal_connect('response') { dialog.destroy }
855     end
856 end
857
858 def view_entry(entry)
859     if entry.type == 'image'
860         show_popup($main_window,
861                    utf8(`exif -m '#{entry.path}'`),
862                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
863     else
864         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
865         msg 2, cmd
866         system(cmd)
867     end
868 end
869
870 def thumbnail_keypressed(entry, event)
871     if event.state & Gdk::Window::MOD1_MASK != 0
872         #- ALT pressed: Alt-Left and Alft-Right rotate
873         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
874             if event.keyval == Gdk::Keyval::GDK_Left
875                 entry.angle = (entry.angle - 90) % 360
876             else
877                 entry.angle = (entry.angle + 90) % 360
878             end
879             entry.free_pixbuf_full
880             entry.free_pixbuf_main
881             entry.free_pixbuf_thumbnail
882             $mainview.redraw
883             entry.image.pixbuf = entry.pixbuf_thumbnail
884             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
885                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
886             end
887         end
888
889     elsif event.state & Gdk::Window::CONTROL_MASK != 0
890         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
891         if event.keyval == Gdk::Keyval::GDK_z
892             perform_undo
893         end
894         if event.keyval == Gdk::Keyval::GDK_r
895             perform_redo
896         end
897         if event.keyval == Gdk::Keyval::GDK_space
898             shown = $mainview.get_shown_entry
899             shown and autoscroll_if_needed(shown.button, true)
900         end
901
902     else
903         removed_before = entry.removed
904         label_before = entry.labeled
905
906         if event.keyval == Gdk::Keyval::GDK_Delete
907             if ! FileTest.writable?(entry.path)
908                 show_popup($main_window, utf8(_("Notice: no write access to '%s', permission will be denied at execute step.") % entry.path))
909             end
910             entry.removed = true
911             entry.labeled = nil
912             entry.show_bg
913             update_visibility(entry)
914             $mainview.show_next_entry(entry)
915
916             save_undo(_("set for removal"),
917                       proc {
918                           entry.removed = removed_before
919                           entry.labeled = label_before
920                           entry.show_bg
921                           update_visibility(entry)
922                           if entry.button.visible?
923                               $mainview.try_show_entry(entry)
924                           end
925                           proc {
926                               entry.removed = true
927                               entry.labeled = nil
928                               entry.show_bg
929                               update_visibility(entry)
930                               if entry.button.visible?
931                                   $mainview.try_show_entry(entry)
932                               end
933                           }
934                       })
935
936         elsif event.keyval == Gdk::Keyval::GDK_space
937             if entry.labeled
938                 msg = _("Cleared label")
939             elsif entry.removed
940                 msg = _("Cleared set for removal")
941             end
942             entry.removed = false
943             entry.labeled = nil
944             entry.show_bg
945             $mainview.show_next_entry(entry)
946
947             save_undo(msg,
948                       proc {
949                           entry.removed = removed_before
950                           entry.labeled = label_before
951                           entry.show_bg
952                           $mainview.try_show_entry(entry)
953                           proc {
954                               entry.removed = false
955                               entry.labeled = nil
956                               entry.show_bg
957                               $mainview.try_show_entry(entry)
958                           }
959                       })
960
961         elsif event.keyval == Gdk::Keyval::GDK_Return
962             view_entry(entry)
963
964         elsif event.keyval == Gdk::Keyval::GDK_Home
965             if $allentries[0] && $allentries[0].button
966                 $allentries[0].button.grab_focus
967             end
968
969         elsif event.keyval == Gdk::Keyval::GDK_End
970             if $allentries[-1] && $allentries[-1].button
971                 $allentries[-1].button.grab_focus
972             end
973
974         else
975             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
976             if char =~ /^[a-zA-z0-9]$/
977                 label = $labels[char]
978                 
979                 if label.nil?
980                     vb = Gtk::VBox.new(false, 0)
981                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
982                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
983                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
984                     bt.signal_connect('color-set') { color = bt.color }
985                     text = nil
986                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
987                         while $labels.has_key?(labelentry.text[0,1])
988                             labelentry.text = labelentry.text.sub(/./, '')
989                         end
990                     }
991                     if show_popup($main_window,
992                                   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,
993                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
994                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
995                                                                        labelentry.position = -1
996                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
997                         if text.length > 0
998                             char = text[0,1]  #- in case it changed
999                             label = Label.new(text)
1000                             label.color = color
1001                             $labels[char] = label
1002                             $ordered_labels << label
1003                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
1004                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1005                             label.button.active = true
1006                             label.button.signal_connect('toggled') { update_all_visibilities }
1007                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
1008                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
1009                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
1010                         end
1011                     end
1012                 end
1013
1014                 if label
1015                     entry.removed = false
1016                     entry.labeled = label
1017                     entry.show_bg
1018                     update_visibility(entry)
1019                     $mainview.show_next_entry(entry)
1020
1021                     save_undo(_("set label"),
1022                               proc {
1023                                   entry.removed = removed_before
1024                                   entry.labeled = label_before
1025                                   entry.show_bg
1026                                   update_visibility(entry)
1027                                   if entry.button.visible?
1028                                       $mainview.try_show_entry(entry)
1029                                   end
1030                                   proc {
1031                                       entry.removed = false
1032                                       entry.labeled = label
1033                                       entry.show_bg
1034                                       update_visibility(entry)
1035                                       if entry.button.visible?
1036                                           $mainview.try_show_entry(entry)
1037                                       end
1038                                   }
1039                               })
1040                 end
1041             end
1042         end
1043     end
1044 end
1045
1046 def sb_msg(msg)
1047     $statusbar.pop(0)
1048     if msg
1049         $statusbar.push(0, utf8(msg))
1050     end
1051 end
1052
1053 def show_entry(entry, i, tips)
1054     #- scope entry
1055     #msg 3, "showing entry #{entry}"
1056     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1057     if entry.type == 'video'
1058         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1059                                            pack_start(entry.image).
1060                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1061         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1062         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1063     else
1064         entry.button = Gtk::Button.new.add(entry.image)
1065     end
1066     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1067     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1068     entry.button.signal_connect('clicked') {
1069         shown = $mainview.get_shown_entry
1070         if shown != entry
1071             shown and shown.alignment.set(0.5, 1, 0, 0)
1072             entry.alignment.set(0.5, 0, 0, 0)
1073             autoscroll_if_needed(entry.button, false)
1074             $mainview.set_shown_entry(entry)
1075         end
1076     }
1077     entry.button.signal_connect('button-press-event') { |w, event|
1078         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1079             video_view(entry)
1080         end
1081     }
1082     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1083     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1084     if i == 0
1085         entry.button.grab_focus
1086     end
1087     update_visibility(entry)
1088     Gtk.main_iteration while Gtk.events_pending?
1089 end
1090
1091 def show_entries(allentries)
1092     sb_msg(_("Loading images..."))
1093     $loading_progressbar.fraction = 0
1094     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1095     $loading_progressbar.show
1096     t1 = Time.now
1097     total_loaded_files = 0
1098     total_loaded_size = 0
1099     i = 0
1100     tips = Gtk::Tooltips.new
1101     while i < allentries.size
1102 #        printf "%d %s\n", i, __LINE__
1103         entry = allentries[i]
1104         if i == 0
1105             loaded_pixbuf = entry.pixbuf_main(false)
1106         else
1107             loaded_pixbuf = entry.pixbuf_thumbnail
1108         end
1109         if $allentries != allentries
1110             #- loaded another directory while this one was not yet finished
1111             msg 3, "allentries differ, stopping this deprecated load"
1112             return
1113         end
1114
1115         if loaded_pixbuf
1116             show_entry(entry, i, tips)
1117             if $allentries != allentries
1118                 #- loaded another directory while this one was not yet finished
1119                 msg 3, "allentries differ, stopping this deprecated load"
1120                 return
1121             end
1122
1123             total_loaded_size += file_size(entry.path)
1124             total_loaded_files += 1
1125             i += 1
1126             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1127                 #- when we're at preload distance, beging preloading to preload distance
1128                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1129             end
1130             if i == $config['preload-distance'].to_i * 2 + 1
1131                 #- when we're after double preload distance, activate normal preloading
1132                 $preloader_allowed = true
1133             end
1134             
1135         else
1136             allentries.delete_at(i)
1137         end
1138         $loading_progressbar.fraction = i.to_f / allentries.size
1139         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1140         if $quit
1141             return
1142         end
1143     end
1144     if i <= $config['preload-distance'].to_i * 2
1145         #- not yet preloaded correctly
1146         $preloader_allowed = true
1147         run_preloader
1148     end
1149     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1150     $loading_progressbar.hide
1151     $execute.sensitive = true
1152 end
1153
1154 def reset_all
1155     reset_labels
1156     reset_thumbnails
1157     $mainview.set_shown_entry(nil)
1158     sb_msg(nil)
1159     $preloader_allowed = false
1160     $execute.sensitive = false
1161 end
1162
1163 def open_dir(*paths)
1164     #- remove visual stuff, so that user will see something is happening
1165     reset_all
1166     sb_msg(_("Scanning source directory..."))
1167     Gtk.main_iteration while Gtk.events_pending?
1168
1169     for path in paths
1170         path = File.expand_path(path.sub(%r|/$|, ''))
1171         $workingdir = path
1172         entries = []
1173         if File.directory?(path)
1174             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1175             #- validate first
1176             examined_dirs.each { |dir|
1177                 if dir =~ /'/
1178                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1179                 end
1180                 Dir.entries(dir).each { |file|
1181                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1182                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1183                     end
1184                 }
1185             }
1186             
1187             #- scan for populate second
1188             examined_dirs.each { |dir|
1189                 if File.basename(dir) =~ /^\./
1190                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1191                     next
1192                 end
1193                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1194             }
1195
1196         else
1197             entries << path
1198         end
1199
1200         if $sort_by_exif_date
1201             dates = {}
1202             entries.each { |file|
1203                 date_time = Exif.datetimeoriginal(file)
1204                 if ! date_time.nil?
1205                     dates[file] = date_time
1206                 end
1207             }
1208             entries = smartsort(entries, dates)
1209         else
1210             entries.sort!
1211         end
1212         entries.each { |file|
1213             type = entry2type(file)
1214             if type
1215                 if File.directory?(path)
1216                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1217                 else
1218                     $allentries << Entry.new(file, type, file)
1219                 end
1220             end
1221         }
1222     end
1223     return nil
1224 end
1225
1226 def open_dir_popup
1227     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1228                                     nil,
1229                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1230                                     nil,
1231                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1232     fc.transient_for = $main_window
1233     if $workingdir
1234         fc.current_folder = $workingdir
1235     end
1236     ok = false
1237     load = false
1238     while !ok
1239         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1240             msg = open_dir(fc.filename)
1241             if msg
1242                 show_popup(fc, msg)
1243                 ok = false
1244             else
1245                 ok = true
1246                 load = true
1247             end
1248         else
1249             ok = true
1250         end
1251     end
1252     fc.destroy
1253     if load
1254         show_entries($allentries)
1255     end
1256 end
1257
1258 def try_quit(*options)
1259     if ! $allentries.detect { |e| e.removed || e.labeled } || show_popup($main_window,
1260                                                                          utf8(_("You have not executed the classification. Are you sure you want to quit?")),
1261                                                                          { :okcancel => true })
1262         Gtk.main_quit
1263         $quit = true
1264         return false
1265     else
1266         return true
1267     end
1268 end
1269
1270 def execute
1271     dialog = Gtk::Dialog.new
1272     dialog.title = utf8(_("Booh message"))
1273
1274     vb1 = Gtk::VBox.new(false, 5)
1275     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!")))
1276     vb1.pack_start(label, false, false)
1277
1278     lastpath = $workingdir
1279
1280     table = Gtk::Table.new(0, 0, false)
1281     table.set_row_spacings(5)
1282     table.set_column_spacings(5)
1283     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)
1284     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)
1285     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)
1286     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)
1287     add_row = proc { |row, name, color, truthproc, normal|
1288         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)),
1289                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1290         counter = 0
1291         examples = Gtk::HBox.new(false, 5)
1292         $allentries.each { |entry|
1293             if truthproc.call(entry)
1294                 counter += 1
1295                 if counter < 4
1296                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1297                     if entry.type == 'video'
1298                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1299                                                   pack_start(thumbnail).
1300                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1301                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1302                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1303                     end
1304                     examples.pack_start(thumbnail, false, false)
1305                 elsif counter == 4
1306                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1307                 end
1308             end
1309         }
1310         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1311         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1312
1313         if counter == 0
1314             return {}
1315         end
1316
1317         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1318         iter = combostore.append
1319         if normal
1320             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1321             iter[1] = utf8(_("Copy to:"))
1322             iter = combostore.append
1323             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1324             iter[1] = utf8(_("Move to:"))
1325         else
1326             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1327             iter[1] = utf8(_("Permanently remove"))
1328         end
1329         iter = combostore.append
1330         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1331         iter[1] = utf8(_("Do nothing"))
1332         combo = Gtk::ComboBox.new(combostore)
1333         combo.active = 0
1334         renderer = Gtk::CellRendererPixbuf.new
1335         combo.pack_start(renderer, false)
1336         combo.set_attributes(renderer, :pixbuf => 0)
1337         renderer = Gtk::CellRendererText.new
1338         combo.pack_start(renderer, true)
1339         combo.set_attributes(renderer, :text => 1)
1340
1341         if normal
1342             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1343             pathbutton.signal_connect('clicked') {
1344                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1345                                                 nil,
1346                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1347                                                 nil,
1348                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1349                 fc.transient_for = dialog
1350                 if lastpath
1351                     fc.current_folder = lastpath
1352                 end
1353                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1354                     pathlabel.text = fc.filename
1355                     pathlabel.set_alignment(0, 0.5)
1356                 end
1357                 lastpath = fc.filename
1358                 fc.destroy
1359             }
1360             combo.signal_connect('changed') {
1361                 pathbutton.sensitive = combo.active <= 1
1362             }
1363             vb = Gtk::VBox.new(false, 5)
1364             vb.pack_start(combo, false, false)
1365             vb.pack_start(pathbutton, false, false)
1366             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1367             { :combo => combo, :pathlabel => pathlabel }
1368         else
1369             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1370             { :combo => combo }
1371         end
1372     }
1373     stuff = {}
1374     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1375     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1376     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1377
1378     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1379     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1380     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 ]))
1381     if toremove_amount > 0
1382         vb1.pack_start(check_removal, false, false)
1383         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1384             check_removal.sensitive = widget.active == 0
1385         }
1386     end
1387
1388     dialog.vbox.add(vb1)
1389
1390     dialog.set_default_size(800, 600)
1391     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1392     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1393     dialog.window_position = Gtk::Window::POS_MOUSE
1394     dialog.transient_for = $main_window
1395
1396     dialog.show_all
1397
1398     while true
1399         dialog.run { |response|        
1400             if response == Gtk::Dialog::RESPONSE_OK
1401                 problem = false
1402                 if toremove_amount > 0 && stuff['toremove'][:combo].active == 0
1403                     if ! check_removal.active?
1404                         show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1405                         problem = true
1406                         break
1407                     end
1408                     $allentries.each { |entry|
1409                         if entry.removed
1410                             if ! FileTest.writable?(entry.path)
1411                                 show_popup(dialog, utf8(_("Sorry, permission denied to remove '%s'.") % [ entry.path ]))
1412                                 problem = true
1413                                 break
1414                             end
1415                         end
1416                     }
1417                 end
1418                 label2entries = {}
1419                 $labels.values.each { |label| label2entries[label] = [] }
1420                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
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                         if destination[0] != ?/
1425                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1426                             problem = true
1427                             break
1428                         end
1429                         begin
1430                             Dir.mkdir(destination)
1431                         rescue Errno::EEXIST
1432                         end
1433                         begin
1434                             st = File.stat(destination)
1435                         rescue
1436                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1437                             problem = true
1438                             break
1439                         end
1440                         if ! st.directory? || ! st.writable?
1441                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1442                             problem = true
1443                             break
1444                         end
1445                         label2entries[key].each { |entry|
1446                             begin
1447                                 File.stat(File.join(destination, File.basename(entry.path)))
1448                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1449                                 problem = true
1450                                 break
1451                             rescue
1452                             end
1453                         }
1454                         if stuff[key][:combo].active == 1
1455                             label2entries[key].each { |entry|
1456                                 if ! FileTest.writable?(entry.path)
1457                                     show_popup(dialog, utf8(_("Sorry, permission denied to move '%s'.") % [ entry.path ]))
1458                                     problem = true
1459                                     break
1460                                 end
1461                             }
1462                         end
1463                         if problem
1464                             break
1465                         end
1466                     end
1467                 }
1468                 if ! problem
1469                     begin
1470                         moved = 0
1471                         copied = 0
1472                         stuff.keys.each { |key|
1473                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1474                                 destination = stuff[key][:pathlabel].text
1475                                 label2entries[key].each { |entry|
1476                                     if stuff[key][:combo].active == 0
1477                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1478                                         copied += 1
1479                                     elsif stuff[key][:combo].active == 1
1480                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1481                                         moved += 1
1482                                     end
1483                                 }
1484                             end
1485                         }
1486                         removed = 0
1487                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1488                             $allentries.each { |entry|
1489                                 if entry.removed
1490                                     File.delete(entry.path)
1491                                     removed += 1
1492                                 end
1493                             }
1494                         end
1495                     rescue
1496                         msg 1, "woops: #{$!}"
1497                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1498                     end
1499                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1500                     dialog.destroy
1501                     reset_all
1502                     return
1503                 end
1504
1505             else
1506                 dialog.destroy
1507                 return
1508             end
1509         }
1510     end
1511 end
1512
1513 def visible(entry)
1514     if ! entry
1515         #- just "executed"
1516         return
1517     end
1518     if ! entry.button
1519         #- not yet loaded
1520         return
1521     end
1522     if entry.labeled
1523         if entry.labeled.button.active?
1524             return true
1525         else
1526             return false
1527         end
1528     elsif entry.removed
1529         if $toremove_button.active?
1530             return true
1531         else
1532             return false
1533         end
1534     else
1535         if $unlabelled_button.active?
1536             return true
1537         else
1538             return false
1539         end
1540     end
1541 end
1542
1543 def update_visibility(entry)
1544     v = visible(entry)
1545     if v.nil?
1546         return
1547     end
1548     if v
1549         entry.button.show
1550     else
1551         entry.button.hide
1552     end
1553 end
1554         
1555 def update_all_visibilities_aux
1556     $allentries.each { |entry|
1557         update_visibility(entry)
1558     }
1559     shown = $mainview.get_shown_entry
1560     shown or return
1561     while shown.button && ! shown.button.visible? && shown != $allentries.last
1562         shown = $allentries[$allentries.index(shown) + 1]
1563     end 
1564     if shown.button && shown.button.visible?
1565         shown.button.grab_focus
1566         return
1567     end
1568     $allentries.reverse.each { |entry|
1569         if entry.button && entry.button.visible?
1570             entry.button.grab_focus
1571             return
1572         end
1573     }
1574 end
1575
1576 def update_all_visibilities
1577     update_all_visibilities_aux
1578     Gtk.main_iteration while Gtk.events_pending?
1579     shown = $mainview.get_shown_entry
1580     shown and autoscroll_if_needed(shown.button, false)
1581 end
1582
1583
1584 def preferences
1585     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1586                              $main_window,
1587                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1588                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1589                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1590
1591     tooltips = Gtk::Tooltips.new
1592
1593     table_y = 0
1594
1595     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1596     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1597                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1598     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1599                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1600     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1601
1602     table_y += 1
1603     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1604                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1605     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1606                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1607     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1608
1609     table_y += 1
1610     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1611                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1612     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1613                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1614     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1615
1616     table_y += 1
1617     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1618                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1619     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)),
1620                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1621     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1622
1623     table_y += 1
1624     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1625                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1626     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1627                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1628     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1629                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1630                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1631     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1632     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1633     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1634                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1635                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1636     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1637     cache_memfree_radio.signal_connect('toggled') {
1638         if cache_memfree_radio.active?
1639             cache_memfree_label.sensitive = true
1640             cache_specify_label.sensitive = false
1641         else
1642             cache_specify_label.sensitive = true
1643             cache_memfree_label.sensitive = false
1644         end
1645     }
1646     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1647     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1648         cache_memfree_spin.value = $1.to_i
1649     else
1650         cache_specify_spin.value = $config['cache-memory-use'].to_i / 1024
1651     end
1652
1653     table_y += 1
1654     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1655                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1656     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1657     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1658
1659     dialog.vbox.show_all
1660     dialog.run { |response|
1661         if response == Gtk::Dialog::RESPONSE_OK
1662             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1663             $config['browser'] = from_utf8(browser_entry.text)
1664             $config['thumbnails-height'] = thumbnails_height.value
1665             $config['preload-distance'] = preload_distance.value
1666             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1667             if cache_memfree_radio.active?
1668                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1669             else
1670                 $config['cache-memory-use'] = cache_specify_spin.value.to_i * 1024
1671             end
1672             set_cache_memory_use_figure
1673         end
1674     }
1675     dialog.destroy
1676 end
1677
1678 def perform_undo
1679     if $undo_mb.sensitive?
1680         $redo_mb.sensitive = true
1681         if not more_undoes = UndoHandler.undo($statusbar)
1682             $undo_mb.sensitive = false
1683         end
1684     end
1685 end
1686
1687 def perform_redo
1688     if $redo_mb.sensitive?
1689         $undo_mb.sensitive = true
1690         if not more_redoes = UndoHandler.redo($statusbar)
1691             $redo_mb.sensitive = false
1692         end
1693     end
1694 end
1695
1696 def create_menubar    
1697     #- menu
1698     mb = Gtk::MenuBar.new
1699
1700     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1701     filesubmenu = Gtk::Menu.new
1702     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1703     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1704     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1705     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1706     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1707     filemenu.set_submenu(filesubmenu)
1708     mb.append(filemenu)
1709
1710     open.signal_connect('activate') { open_dir_popup }
1711     $execute.signal_connect('activate') { execute }
1712     quit.signal_connect('activate') { try_quit }
1713
1714     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1715     editsubmenu = Gtk::Menu.new
1716     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1717     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1718     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1719     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1720     editmenu.set_submenu(editsubmenu)
1721     mb.append(editmenu)
1722
1723     $undo_mb.signal_connect('activate') { perform_undo }
1724     $redo_mb.signal_connect('activate') { perform_redo }
1725     prefs.signal_connect('activate') { preferences }
1726     
1727     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1728     helpsubmenu = Gtk::Menu.new
1729     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1730     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1731     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1732     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1733     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1734     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1735     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1736     helpmenu.set_submenu(helpsubmenu)
1737     mb.append(helpmenu)
1738
1739     howto.signal_connect('activate') {
1740         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1741
1742 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1743 show thumbnails for all photos and videos at the bottom.
1744
1745 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1746 on thumbnails.
1747
1748 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1749 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1750 The first time you hit a key without any label associated, a popup will ask for the full
1751 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1752
1753 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1754 some of them by unchecking the labels checkboxes on the left.
1755
1756 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1757 actions according to associated labels. You can permanently remove (or not) images with
1758 the <i>to remove</i> label, and copy or move images with the labels you defined.
1759 ")), { :pos_centered => true, :not_transient => true })
1760     }
1761     speed.signal_connect('activate') {
1762         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1763
1764 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1765 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1766 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1767 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1768 <span foreground='darkblue'>Space</span>: clear any label on current image
1769 <span foreground='darkblue'>Control-z</span>: undo
1770 <span foreground='darkblue'>Control-r</span>: redo
1771 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1772
1773 Any alphabetical key will assign (or popup for) the associated label on current image.
1774 ")), { :pos_centered => true, :not_transient => true })
1775     }
1776     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1777     about.signal_connect('activate') { call_about }
1778
1779
1780     #- no toolbar, to save height
1781
1782     return mb
1783 end
1784
1785 def reset_labels
1786     for child in $labels_vbox.children
1787         $labels_vbox.remove(child)
1788     end
1789     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1790     $labels = {}
1791     $ordered_labels = []
1792     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1793     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1794     $unlabelled_button.active = true
1795     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1796     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1797     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1798     $toremove_button.active = true
1799     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1800     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1801     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1802     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1803 end
1804
1805 def reset_thumbnails
1806     $allentries = []
1807     if $preloader_running
1808         $preloader_force_exit = true
1809     end
1810     for child in $imagesline.children
1811         $imagesline.remove(child)
1812     end
1813     set_imagesline_size_request
1814 end
1815
1816 def set_imagesline_size_request
1817     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1818 end
1819
1820 def create_main_window
1821
1822     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1823     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1824
1825     mb = create_menubar
1826
1827     main_vbox = Gtk::VBox.new(false, 0)
1828     main_vbox.pack_start(mb, false, false)
1829     mainview_hbox = Gtk::HBox.new
1830     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1831     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1832     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1833     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1834     main_vbox.pack_start(mainview_hbox, true, true)
1835     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1836     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1837     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1838     main_vbox.pack_start($imagesline_sw, false, false)
1839     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1840
1841     set_imagesline_size_request
1842
1843     $main_window = create_window
1844     $main_window.add(main_vbox)
1845     $main_window.signal_connect('delete-event') {
1846         try_quit
1847     }
1848
1849     #- read/save size and position of window
1850     if $config['pos-x'] && $config['pos-y']
1851         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1852     else
1853         $main_window.window_position = Gtk::Window::POS_CENTER
1854     end
1855     msg 3, "size: #{$config['width']}x#{$config['height']}"
1856     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1857     $main_window.signal_connect('configure-event') {
1858         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1859         x, y = $main_window.window.root_origin
1860         width, height = $main_window.window.size
1861         $config['pos-x'] = x
1862         $config['pos-y'] = y
1863         $config['width'] = width
1864         $config['height'] = height
1865         false
1866     }
1867
1868     $main_window.show_all
1869     $loading_progressbar.hide
1870 end
1871
1872
1873 handle_options
1874 read_config
1875 Gtk.init
1876
1877
1878 create_main_window
1879 check_config
1880
1881 if ARGV[0]
1882     if msg = open_dir(*ARGV)
1883         puts msg
1884     else
1885         Gtk.idle_add {
1886             show_entries($allentries)
1887             false
1888         }
1889     end
1890 end
1891 Gtk.main
1892
1893 write_config