git.zarb.org Git - booh/blob - 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     browser_binary = $config['browser'].split.first
 165     if browser_binary && ! File.executable?(browser_binary)
 166         show_popup($main_window, utf8(_("The configured browser seems to be unavailable.
 167 You should fix this in Edit/Preferences so that you can open URLs.
 168
 169 Problem was: '%s' is not an executable file.") % browser_binary), { :pos_centered => true, :not_transient => true })
 170     end
 171 end
 172
 173 def write_config
 174     ios = File.open($config_file, "w")
 175     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
 176     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
 177     $config.each_pair { |key, value|
 178         elem = $xmldoc.root.add_element key
 179         if value.is_a? Hash
 180             $config[key].each_pair { |subkey, subvalue|
 181                 subelem = elem.add_element subkey
 182                 subelem.add_text subvalue.to_s
 183             }
 184         elsif value.is_a? Array
 185             elem.add_text value.join('~~~')
 186         else
 187             if !value
 188                 elem.remove
 189             else
 190                 elem.add_text value.to_s
 191             end
 192         end
 193     }
 194     $xmldoc.write(ios, 0)
 195     ios.close
 196 end
 197
 198 def save_undo(name, closure, *params)
 199     UndoHandler.save_undo(name, closure, [ *params ])
 200     $undo_mb.sensitive = true
 201     $redo_mb.sensitive = false
 202 end
 203
 204 def get_mem
 205     IO.readlines('/proc/self/status').join =~ /VmRSS.*?(\d+)\s*kB/
 206     msg 3, "RSS: #{$1}"
 207     return $1.to_i
 208 end
 209
 210 def show_mem(*txt)
 211     txt.length > 0 and print txt[0]
 212     msg 2, "RSS: #{get_mem}"
 213 end
 214
 215 class Gdk::Color
 216     def darker
 217         color = dup
 218         color.red = [ color.red - 10000, 0 ].max
 219         color.green = [ color.green - 10000, 0 ].max
 220         color.blue = [ color.blue - 10000, 0 ].max
 221         return color
 222     end
 223     def lighter
 224         color = dup
 225         color.red = [ color.red + 10000, 65535 ].min
 226         color.green = [ color.green + 10000, 65535 ].min
 227         color.blue = [ color.blue + 10000, 65535 ].min
 228         return color
 229     end
 230 end
 231
 232 $color_red = Gdk::Color.new(65535, 0, 0)
 233 $colors = [ Gdk::Color.new(0, 65535, 0),
 234             Gdk::Color.new(0, 0, 65535),
 235             Gdk::Color.new(65535, 65535, 0),
 236             Gdk::Color.new(0, 65535, 65535),
 237             Gdk::Color.new(65535, 0, 65535) ]
 238
 239 class Label
 240     attr_accessor :color, :name, :button
 241     def initialize(name)
 242         @name = name
 243     end
 244 end
 245
 246 class Entry
 247     @@max_width = nil
 248     def Entry.thumbnails_height
 249         return $config['thumbnails-height'].to_i
 250     end
 251
 252     attr_accessor :path, :guipath, :type, :angle, :button, :image, :alignment, :removed, :labeled
 253
 254     def initialize(path, type, guipath)
 255         @path = path
 256         @type = type
 257         @guipath = guipath
 258         if @@max_width.nil?
 259             @@max_width = $main_window.root_window.size[0] - $labels_vbox.allocation.width - ( $videoborder_pixbuf.width + MainView.borders_thickness) * 2
 260         end
 261     end
 262
 263     def pixbuf_full
 264         if @pixbuf_full.nil?
 265             msg 3, ">>> pixbuf_full #{path}"
 266             load_into_pixbuf_full
 267         end
 268         return @pixbuf_full
 269     end
 270     def free_pixbuf_full
 271         if @pixbuf_full.nil?
 272             return false
 273         else
 274             msg 3, ">>> free_pixbuf_full #{path}"
 275             @pixbuf_full = nil
 276             return true
 277         end
 278     end
 279     def pixbuf_main(interruptable)
 280         width, height = $mainview.window.size
 281         width = MainView.get_usable_width(width)
 282         height = MainView.get_usable_height(height)
 283         if @pixbuf_main.nil? || width != @width || height != @height
 284             msg 3, ">>> pixbuf_main #{path}"
 285             @width = width
 286             @height = height
 287             load_into_pixbuf_full(interruptable)  #- make sure it is loaded
 288             if @pixbuf_full.nil?
 289                 return
 290             end
 291             if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
 292                 resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
 293                 if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
 294                     @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
 295                 else
 296                     @pixbuf_main = @pixbuf_full
 297                 end
 298             else
 299                 resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
 300                 if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
 301                     @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
 302                 else
 303                     @pixbuf_main = @pixbuf_full
 304                 end
 305             end
 306         end
 307         return @pixbuf_main
 308     end
 309     def free_pixbuf_main
 310         if @pixbuf_main.nil?
 311             return false
 312         else
 313             msg 3, ">>> free_pixbuf_main #{path}"
 314             @pixbuf_main = nil
 315             return true
 316         end
 317     end
 318     def pixbuf_thumbnail
 319         if @pixbuf_thumbnail.nil?
 320             if @pixbuf_main
 321                 msg 3, ">>> pixbuf_thumbnail from main #{path}"
 322                 @pixbuf_thumbnail = @pixbuf_main.scale(@pixbuf_main.width * (Entry.thumbnails_height.to_f/@pixbuf_main.height), Entry.thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
 323             else
 324                 msg 3, ">>> pixbuf_thumbnail from file #{path}"
 325                 @pixbuf_thumbnail = load_into_pixbuf_at_size(false) { |w, h|
 326                     if @angle == 0
 327                         if h > Entry.thumbnails_height
 328                             [ w * Entry.thumbnails_height.to_f/h, Entry.thumbnails_height ]
 329                         else
 330                             [ w, h ]
 331                         end
 332                     else
 333                         if w > Entry.thumbnails_height
 334                             [ Entry.thumbnails_height, h * Entry.thumbnails_height.to_f/w ]
 335                         else
 336                             [ w, h ]
 337                         end
 338                     end
 339                 }
 340             end
 341         end
 342         return @pixbuf_thumbnail
 343     end
 344     def free_pixbuf_thumbnail
 345         if @pixbuf_thumbnail.nil?
 346             return false
 347         else
 348             msg 3, ">>> free_pixbuf_thumbnail #{path}"
 349             @pixbuf_thumbnail = nil
 350             return true
 351         end
 352     end
 353
 354     def outline_color
 355         if removed
 356             return $color_red
 357         elsif labeled
 358             return labeled.color
 359         else
 360             return nil
 361         end
 362     end
 363
 364     def show_bg
 365         if outline_color.nil?
 366             button.modify_bg(Gtk::StateType::NORMAL, nil)
 367             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
 368             button.modify_bg(Gtk::StateType::ACTIVE, nil)
 369         else
 370             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
 371             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
 372             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
 373         end
 374     end
 375
 376     def get_beautified_name
 377         if type == 'image'
 378             size = get_image_size(path)
 379             return _("%s (%sx%s, %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
 380                                              size[:x],
 381                                              size[:y],
 382                                              commify(file_size(path)/1024)]
 383         else
 384             return _("%s (video - %s KB)") % [@guipath.gsub(/\.[^.]+$/, ''),
 385                                              commify(file_size(path)/1024)]
 386         end
 387     end
 388
 389     private
 390     def cleanup_dir(dir)
 391         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
 392         Dir.delete(dir)
 393     end
 394
 395     def load_into_pixbuf_full(interruptable)
 396         if @pixbuf_full.nil?
 397             msg 3, ">>> load_into_pixbuf_full #{path}"
 398             @pixbuf_full = load_into_pixbuf_at_size(interruptable) { |w, h|
 399                 if @angle == 0
 400                     if w > @@max_width
 401                         #- save memory and speedup (+35%) loading
 402                         [ w * (factor = @@max_width.to_f/w), h * factor ]
 403                     else
 404                         [ w, h ]
 405                     end
 406                 else
 407                     if h > @@max_width
 408                         [ w * (factor = @@max_width.to_f/h), h * factor ]
 409                     else
 410                         [ w, h ]
 411                     end
 412                 end
 413             }
 414         end
 415     end
 416
 417     def load_into_pixbuf_at_size(interruptable, &specify_size)
 418         pixbuf = nil
 419         if @type == 'video'
 420             tmp = Tempfile.new("boohclassifiertemp")
 421             dest_dir = tmp.path
 422             tmp.close!
 423             Dir.mkdir(dest_dir)
 424             orig_base = File.basename(path)
 425             tmpdir = gen_video_thumbnail(path, false, 0)
 426             if tmpdir.nil?
 427                 return
 428             end
 429             image_path = "#{tmpdir}/00000001.jpg"
 430         else
 431             image_path = @path
 432         end
 433         if @angle.nil?
 434             if @type == 'image'
 435                 @angle = guess_rotate(image_path)
 436             else
 437                 @angle = 0
 438             end
 439         end
 440         begin
 441             #- use a pixbuf loader and trigger Gtk.main_iteration on each chunk if needed, to keep the UI responsive even
 442             #- if loaded pictures are several MBs large
 443             loader = Gdk::PixbufLoader.new
 444             loader.signal_connect('size-prepared') { |l, w, h|
 445                 r = specify_size.call(w, h)
 446                 #msg 3, "specified sizes: #{r[0]} #{r[1]}"
 447                 loader.set_size(*specify_size.call(w, h))
 448             }
 449             id = loader.signal_connect('area-prepared') { pixbuf = loader.pixbuf }
 450             if ! loader.load_not_freezing_ui(image_path, interruptable, id)
 451                 return
 452             end
 453             loader.close
 454             if pixbuf.nil?
 455                 raise "Loaded pixbuf nil - #{path} #{image_path}"
 456             end
 457         rescue
 458             msg 0, "Cannot load #{image_path}: #{$!}"
 459             begin
 460                 loader.close
 461             rescue
 462             end
 463             return
 464         ensure
 465             if @type == 'video'
 466                 File.delete(image_path)
 467                 Dir.rmdir(tmpdir)
 468             end
 469         end
 470         if pixbuf
 471             if @angle != 0
 472                 msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
 473                 pixbuf = rotate_pixbuf(pixbuf, @angle)
 474             end
 475         end
 476         if @type == 'video'
 477             cleanup_dir(dest_dir)
 478         end
 479         return pixbuf
 480     end
 481
 482     def to_s
 483         @path
 484     end
 485 end
 486
 487 $allentries = []
 488
 489 def gc
 490     start = Time.now
 491     GC.start
 492     msg 3, "GC in #{Time.now - start} s"
 493 end
 494
 495 def free_cache(avoid)
 496     i = $allentries.index($mainview.get_shown_entry)
 497     return if i.nil?
 498     start = Time.now
 499     ($allentries.size - 1).downto($config['preload-distance'].to_i + 1) { |j|
 500         index = i + j
 501         if i + j < $allentries.size && ! avoid.include?(i + j)
 502             $allentries[i + j].free_pixbuf_full
 503             $allentries[i + j].free_pixbuf_main
 504         end
 505         if i - j >= 0 && ! avoid.include?(i - j)
 506             $allentries[i - j].free_pixbuf_full
 507             $allentries[i - j].free_pixbuf_main
 508         end
 509     }
 510     msg 3, "freeing done in #{Time.now - start} s"
 511     if get_mem > $config['cache-memory-use-figure'] * 3 / 4
 512         gc
 513         get_mem
 514     end
 515 end
 516
 517 def run_preloader_real
 518     msg 3, "*** >> main preloading triggered..."
 519     if $preloader_running
 520         msg 3, "*** >>>>>> already running, return <<<<<<<<"
 521         return
 522     end
 523     $preloader_running = true
 524     if $mainview.get_shown_entry
 525         if get_mem > $config['cache-memory-use-figure']
 526             msg 3, "too much RSS, stopping preloading, triggering GC"
 527             $preloader_running = false
 528             gc
 529             get_mem
 530             return
 531         end
 532         if $config['preload-distance'].to_i == 0
 533             free_cache([])
 534             return
 535         end
 536         index = $allentries.index($mainview.get_shown_entry)
 537         index_right = index
 538         index_left = index
 539         loaded_right = 0
 540         loaded_left = 0
 541         right_done = false
 542         left_done = false
 543         loaded = []
 544         while ! right_done || ! left_done
 545             if ! right_done
 546                 index_right += 1
 547                 while index_right < $allentries.size && ! visible($allentries[index_right])
 548                     index_right += 1
 549                 end
 550                 if index_right == $allentries.size
 551                     right_done = true
 552                 else
 553                     msg 3, "preloading #{$allentries[index_right].path}"
 554                     $allentries[index_right].pixbuf_main(false)
 555                     loaded << index_right
 556                     loaded_right += 1
 557                     if loaded_right == $config['preload-distance'].to_i
 558                         right_done = true
 559                     end
 560                 end
 561             end
 562
 563             if ! left_done
 564                 index_left -= 1
 565                 while index_left >= 0 && ! visible($allentries[index_left])
 566                     index_left -= 1
 567                 end
 568                 if index_left == -1
 569                     left_done = true
 570                 else
 571                     msg 3, "preloading #{$allentries[index_left].path}"
 572                     $allentries[index_left].pixbuf_main(false)
 573                     loaded << index_left
 574                     loaded_left += 1
 575                     if loaded_left == $config['preload-distance'].to_i
 576                         left_done = true
 577                     end
 578                 end
 579             end
 580
 581             #- in case just loaded another directory
 582             if $preloader_force_exit
 583                 $preloader_running = false
 584                 $preloader_force_exit = false
 585                 return
 586             end
 587             #- in case moved fast
 588             if index != $allentries.index($mainview.get_shown_entry)
 589                 msg 3, "*** >>>> moved already, rerun"
 590                 $preloader_running = false
 591                 run_preloader_real
 592                 return
 593             end
 594         end
 595         free_cache(loaded)
 596     end
 597     $preloader_running = false
 598     msg 3, "*** << main preloading finished"
 599 end
 600
 601 def run_preloader
 602     if ! $preloader_allowed
 603         msg 3, "*** preloader not yet allowed"
 604         return
 605     end
 606     Gtk.timeout_add(10) {
 607         run_preloader_real
 608         false
 609     }
 610 end
 611
 612 class MainView < Gtk::DrawingArea
 613
 614     @@borders_thickness = 5
 615     @@borders_length = 25
 616
 617     def MainView.borders_thickness
 618         return @@borders_thickness
 619     end
 620
 621     def MainView.get_usable_width(available_width)
 622         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
 623     end
 624
 625     def MainView.get_usable_height(available_height)
 626         return available_height - @@borders_thickness * 2
 627     end
 628
 629     def initialize
 630         super()
 631         signal_connect('expose-event') { draw }
 632         signal_connect('configure-event') { update_shown }
 633     end
 634
 635     def try_show_entry(entry)
 636         if entry && entry.button
 637             if entry.button.has_focus?
 638                 redraw
 639             else
 640                 entry.button.grab_focus
 641             end
 642         end
 643     end
 644
 645     def set_shown_entry(entry)
 646         t1 = Time.now
 647         if entry && entry == @entry
 648             return
 649         end
 650         if entry && ! entry.button
 651             #- not loaded yet
 652             return
 653         end
 654         @entry = entry
 655         redraw
 656         run_preloader
 657         msg 3, "entry shown in: #{Time.now - t1} s"
 658     end
 659
 660     def get_shown_entry
 661         return @entry
 662     end
 663
 664     def show_next_entry(entry)
 665         index = $allentries.index(entry)
 666         if index < $allentries.size - 1
 667             index += 1
 668         end
 669         while index < $allentries.size - 1 && $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible?
 670             index += 1
 671         end
 672         while $allentries[index] && $allentries[index].button && ! $allentries[index].button.visible? && index > 0
 673             index -= 1
 674         end
 675         if index < $allentries.size && $allentries[index] && $allentries[index].button && $allentries[index].button.visible?
 676             try_show_entry($allentries[index])
 677         end
 678     end
 679
 680     def redraw
 681         @entry and sb_msg(_("Selected %s") % @entry.get_beautified_name)
 682         if ! update_shown
 683             return
 684         end
 685         w, h = window.size
 686         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
 687         window.clear
 688         draw
 689         window.end_paint
 690         Gtk.main_iteration while Gtk.events_pending?
 691     end
 692
 693     def update_shown
 694         if @entry
 695             $interrupt_loading = false
 696             pixbuf = @entry.pixbuf_main(true)
 697             $interrupt_loading = true
 698             if pixbuf
 699                 @pixbuf = pixbuf
 700                 width, height = window.size
 701                 @xpos = (width - @pixbuf.width)/2
 702                 @ypos = (height - @pixbuf.height)/2
 703                 return true
 704             else
 705                 return false
 706             end
 707         else
 708             @pixbuf = nil
 709             return true
 710         end
 711     end
 712
 713     def draw
 714         if @pixbuf
 715             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
 716             if @entry && @entry.type == 'video'
 717                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
 718             end
 719             if ! @entry.outline_color.nil?
 720                 gc = Gdk::GC.new(window)
 721                 colormap.alloc_color(@entry.outline_color, false, true)
 722                 gc.set_foreground(@entry.outline_color)
 723                 if @entry && @entry.type == 'video'
 724                     xleft = @xpos - $videoborder_pixbuf.width
 725                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
 726                 else
 727                     xleft = @xpos
 728                     xright = @xpos + @pixbuf.width
 729                 end
 730                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
 731                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
 732                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 733                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 734                                                [xleft - @@borders_thickness, @ypos - 1],
 735                                                [xleft - 1, @ypos - 1],
 736                                                [xleft - 1, @ypos + @pixbuf.height + 1],
 737                                                [xright + 1, @ypos + @pixbuf.height + 1],
 738                                                [xright + 1, @ypos - 1],
 739                                                [xleft - @@borders_thickness, @ypos - 1]])
 740             end
 741         end
 742     end
 743 end
 744
 745 def autoscroll_if_needed(button, center)
 746     xpos_left = button.allocation.x
 747     xpos_right = button.allocation.x + button.allocation.width
 748     hadj = $imagesline_sw.hadjustment
 749     current_minx_visible = hadj.value
 750     current_maxx_visible = hadj.value + hadj.page_size
 751     if ! center
 752         if xpos_left < current_minx_visible
 753             #- autoscroll left
 754             newval = hadj.value - (current_minx_visible - xpos_left)
 755             hadj.value = newval
 756         elsif xpos_right > current_maxx_visible
 757             #- autoscroll right
 758             newval = hadj.value + (xpos_right - current_maxx_visible)
 759             if newval > hadj.upper - hadj.page_size
 760                 newval = hadj.upper - hadj.page_size
 761             end
 762             hadj.value = newval
 763         end
 764     else
 765         hadj.value = clamp((xpos_left + xpos_right) / 2 - hadj.page_size / 2, 0, hadj.upper - hadj.page_size)
 766     end
 767 end
 768
 769 def show_popup(parent, msg, *options)
 770     dialog = Gtk::Dialog.new
 771     if options[0]
 772         options = options[0]
 773     else
 774         options = {}
 775     end
 776     if options[:title]
 777         dialog.title = options[:title]
 778     else
 779         dialog.title = utf8(_("Booh message"))
 780     end
 781     lbl = Gtk::Label.new
 782     if options[:nomarkup]
 783         lbl.text = msg
 784     else
 785         lbl.markup = msg
 786     end
 787     if options[:centered]
 788         lbl.set_justify(Gtk::Justification::CENTER)
 789     end
 790     if options[:selectable]
 791         lbl.selectable = true
 792     end
 793     if options[:topwidget]
 794         dialog.vbox.add(options[0][:topwidget])
 795     end
 796     if options[:scrolled]
 797         sw = Gtk::ScrolledWindow.new(nil, nil)
 798         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
 799         sw.add_with_viewport(lbl)
 800         dialog.vbox.add(sw)
 801         dialog.set_default_size(500, 600)
 802     else
 803         dialog.vbox.add(lbl)
 804         dialog.set_default_size(200, 120)
 805     end
 806     if options[:bottomwidget]
 807         dialog.vbox.add(options[:bottomwidget])
 808     end
 809     if options[:okcancel]
 810         cancel = dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
 811         if ! options[:bottomwidget]
 812             cancel.grab_focus
 813         end
 814         dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
 815     else
 816         ok = dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK).grab_focus
 817         if ! options[:bottomwidget]
 818             ok.grab_focus
 819         end
 820     end
 821
 822     if options[:pos_centered]
 823         dialog.window_position = Gtk::Window::POS_CENTER
 824     else
 825         dialog.window_position = Gtk::Window::POS_MOUSE
 826     end
 827
 828     if options[:linkurl]
 829         linkbut = Gtk::Button.new('')
 830         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
 831         linkbut.signal_connect('clicked') {
 832             open_url(options[0][:linkurl] + '/index.html')
 833             dialog.response(Gtk::Dialog::RESPONSE_OK)
 834             set_mousecursor_normal
 835         }
 836         linkbut.relief = Gtk::RELIEF_NONE
 837         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
 838         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
 839         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
 840     end
 841
 842     dialog.show_all
 843
 844     if options[:stuff_connector]
 845         options[:stuff_connector].call({ :dialog => dialog })
 846     end
 847
 848     if !options[:not_transient]
 849         dialog.transient_for = parent
 850         dialog.run { |response|
 851             if options[:data_getter]
 852                 options[:data_getter].call
 853             end
 854             dialog.destroy
 855             if options[:okcancel]
 856                 return response == Gtk::Dialog::RESPONSE_OK
 857             end
 858         }
 859     else
 860         dialog.signal_connect('response') { dialog.destroy }
 861     end
 862 end
 863
 864 def view_entry(entry)
 865     if entry.type == 'image'
 866         show_popup($main_window,
 867                    utf8(`exif -m '#{entry.path}'`),
 868                    { :title => utf8(_("EXIF data of %s") % File.basename(entry.path)), :nomarkup => true, :scrolled => true, :not_transient => true })
 869     else
 870         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
 871         msg 2, cmd
 872         system(cmd)
 873     end
 874 end
 875
 876 def thumbnail_keypressed(entry, event)
 877     if event.state & Gdk::Window::MOD1_MASK != 0
 878         #- ALT pressed: Alt-Left and Alft-Right rotate
 879         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
 880             if event.keyval == Gdk::Keyval::GDK_Left
 881                 entry.angle = (entry.angle - 90) % 360
 882             else
 883                 entry.angle = (entry.angle + 90) % 360
 884             end
 885             entry.free_pixbuf_full
 886             entry.free_pixbuf_main
 887             entry.free_pixbuf_thumbnail
 888             $mainview.redraw
 889             entry.image.pixbuf = entry.pixbuf_thumbnail
 890             if $config['rotate-set-exif'] == 'true' && entry.type == 'image'
 891                 Exif.set_orientation(entry.path, angle_to_exif_orientation(entry.angle))
 892             end
 893         end
 894
 895     elsif event.state & Gdk::Window::CONTROL_MASK != 0
 896         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo, Ctrl-space for recentre
 897         if event.keyval == Gdk::Keyval::GDK_z
 898             perform_undo
 899         end
 900         if event.keyval == Gdk::Keyval::GDK_r
 901             perform_redo
 902         end
 903         if event.keyval == Gdk::Keyval::GDK_space
 904             shown = $mainview.get_shown_entry
 905             shown and autoscroll_if_needed(shown.button, true)
 906         end
 907
 908     else
 909         removed_before = entry.removed
 910         label_before = entry.labeled
 911
 912         if event.keyval == Gdk::Keyval::GDK_Delete
 913             if ! FileTest.writable?(entry.path)
 914                 show_popup($main_window, utf8(_("Notice: no write access to '%s', permission will be denied at execute step.") % entry.path))
 915             end
 916             entry.removed = true
 917             entry.labeled = nil
 918             entry.show_bg
 919             update_visibility(entry)
 920             $mainview.show_next_entry(entry)
 921
 922             save_undo(_("set for removal"),
 923                       proc {
 924                           entry.removed = removed_before
 925                           entry.labeled = label_before
 926                           entry.show_bg
 927                           update_visibility(entry)
 928                           if entry.button.visible?
 929                               $mainview.try_show_entry(entry)
 930                           end
 931                           proc {
 932                               entry.removed = true
 933                               entry.labeled = nil
 934                               entry.show_bg
 935                               update_visibility(entry)
 936                               if entry.button.visible?
 937                                   $mainview.try_show_entry(entry)
 938                               end
 939                           }
 940                       })
 941
 942         elsif event.keyval == Gdk::Keyval::GDK_space
 943             if entry.labeled
 944                 msg = _("Cleared label")
 945             elsif entry.removed
 946                 msg = _("Cleared set for removal")
 947             end
 948             entry.removed = false
 949             entry.labeled = nil
 950             entry.show_bg
 951             $mainview.show_next_entry(entry)
 952
 953             save_undo(msg,
 954                       proc {
 955                           entry.removed = removed_before
 956                           entry.labeled = label_before
 957                           entry.show_bg
 958                           $mainview.try_show_entry(entry)
 959                           proc {
 960                               entry.removed = false
 961                               entry.labeled = nil
 962                               entry.show_bg
 963                               $mainview.try_show_entry(entry)
 964                           }
 965                       })
 966
 967         elsif event.keyval == Gdk::Keyval::GDK_Return
 968             view_entry(entry)
 969
 970         else
 971             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
 972             if char =~ /^[a-zA-z0-9]$/
 973                 label = $labels[char]
 974
 975                 if label.nil?
 976                     vb = Gtk::VBox.new(false, 0)
 977                     vb.pack_start(labelentry = Gtk::Entry.new.set_text(char), false, false)
 978                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::ColorButton.new))
 979                     color = bt.color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
 980                     bt.signal_connect('color-set') { color = bt.color }
 981                     text = nil
 982                     labelentry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
 983                         while $labels.has_key?(labelentry.text[0,1])
 984                             labelentry.text = labelentry.text.sub(/./, '')
 985                         end
 986                     }
 987                     if show_popup($main_window,
 988                                   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,
 989                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = labelentry.text },
 990                                     :stuff_connector => proc { |stuff| labelentry.select_region(0, 0)
 991                                                                        labelentry.position = -1
 992                                                                        labelentry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
 993                         if text.length > 0
 994                             char = text[0,1]  #- in case it changed
 995                             label = Label.new(text)
 996                             label.color = color
 997                             $labels[char] = label
 998                             $ordered_labels << label
 999                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
1000                             $labels_vbox.pack_start(label.button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1001                             label.button.active = true
1002                             label.button.signal_connect('toggled') { update_all_visibilities }
1003                             evt.modify_bg(Gtk::StateType::NORMAL, label.color)
1004                             evt.modify_bg(Gtk::StateType::PRELIGHT, label.color.lighter.lighter)
1005                             evt.modify_bg(Gtk::StateType::ACTIVE, label.color.lighter)
1006                         end
1007                     end
1008                 end
1009
1010                 if label
1011                     entry.removed = false
1012                     entry.labeled = label
1013                     entry.show_bg
1014                     update_visibility(entry)
1015                     $mainview.show_next_entry(entry)
1016
1017                     save_undo(_("set label"),
1018                               proc {
1019                                   entry.removed = removed_before
1020                                   entry.labeled = label_before
1021                                   entry.show_bg
1022                                   update_visibility(entry)
1023                                   if entry.button.visible?
1024                                       $mainview.try_show_entry(entry)
1025                                   end
1026                                   proc {
1027                                       entry.removed = false
1028                                       entry.labeled = label
1029                                       entry.show_bg
1030                                       update_visibility(entry)
1031                                       if entry.button.visible?
1032                                           $mainview.try_show_entry(entry)
1033                                       end
1034                                   }
1035                               })
1036                 end
1037             end
1038         end
1039     end
1040 end
1041
1042 def sb_msg(msg)
1043     $statusbar.pop(0)
1044     if msg
1045         $statusbar.push(0, utf8(msg))
1046     end
1047 end
1048
1049 def show_entry(entry, i, tips)
1050     #- scope entry
1051     #msg 3, "showing entry #{entry}"
1052     entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
1053     if entry.type == 'video'
1054         entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1055                                            pack_start(entry.image).
1056                                            pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
1057         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1058         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1059     else
1060         entry.button = Gtk::Button.new.add(entry.image)
1061     end
1062     tips.set_tip(entry.button, entry.get_beautified_name, nil)
1063     $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
1064     entry.button.signal_connect('clicked') {
1065         shown = $mainview.get_shown_entry
1066         if shown != entry
1067             shown and shown.alignment.set(0.5, 1, 0, 0)
1068             entry.alignment.set(0.5, 0, 0, 0)
1069             autoscroll_if_needed(entry.button, false)
1070             $mainview.set_shown_entry(entry)
1071         end
1072     }
1073     entry.button.signal_connect('button-press-event') { |w, event|
1074         if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
1075             video_view(entry)
1076         end
1077     }
1078     entry.button.signal_connect('focus-in-event') { entry.button.clicked }
1079     entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
1080     if i == 0
1081         entry.button.grab_focus
1082     end
1083     update_visibility(entry)
1084     Gtk.main_iteration while Gtk.events_pending?
1085 end
1086
1087 def show_entries(allentries)
1088     sb_msg(_("Loading images..."))
1089     $loading_progressbar.fraction = 0
1090     $loading_progressbar.text = utf8(_("Loading... %d%") % 0)
1091     $loading_progressbar.show
1092     t1 = Time.now
1093     total_loaded_files = 0
1094     total_loaded_size = 0
1095     i = 0
1096     tips = Gtk::Tooltips.new
1097     while i < allentries.size
1098 #        printf "%d %s\n", i, __LINE__
1099         entry = allentries[i]
1100         if i == 0
1101             loaded_pixbuf = entry.pixbuf_main(false)
1102         else
1103             loaded_pixbuf = entry.pixbuf_thumbnail
1104         end
1105         if $allentries != allentries
1106             #- loaded another directory while this one was not yet finished
1107             msg 3, "allentries differ, stopping this deprecated load"
1108             return
1109         end
1110
1111         if loaded_pixbuf
1112             show_entry(entry, i, tips)
1113             if $allentries != allentries
1114                 #- loaded another directory while this one was not yet finished
1115                 msg 3, "allentries differ, stopping this deprecated load"
1116                 return
1117             end
1118
1119             total_loaded_size += file_size(entry.path)
1120             total_loaded_files += 1
1121             i += 1
1122             if i > $config['preload-distance'].to_i && i <= $config['preload-distance'].to_i * 2
1123                 #- when we're at preload distance, beging preloading to preload distance
1124                 allentries[i - $config['preload-distance'].to_i].pixbuf_main(false)
1125             end
1126             if i == $config['preload-distance'].to_i * 2 + 1
1127                 #- when we're after double preload distance, activate normal preloading
1128                 $preloader_allowed = true
1129             end
1130
1131         else
1132             allentries.delete_at(i)
1133         end
1134         $loading_progressbar.fraction = i.to_f / allentries.size
1135         $loading_progressbar.text = utf8(_("Loading... %d%") % (100 * $loading_progressbar.fraction))
1136         if $quit
1137             return
1138         end
1139     end
1140     if i <= $config['preload-distance'].to_i * 2
1141         #- not yet preloaded correctly
1142         $preloader_allowed = true
1143         run_preloader
1144     end
1145     sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ total_loaded_files, commify(total_loaded_size / 1024), Time.now - t1 ])
1146     $loading_progressbar.hide
1147     $execute.sensitive = true
1148 end
1149
1150 def reset_all
1151     reset_labels
1152     reset_thumbnails
1153     $mainview.set_shown_entry(nil)
1154     sb_msg(nil)
1155     $preloader_allowed = false
1156     $execute.sensitive = false
1157 end
1158
1159 def open_dir(*paths)
1160     #- remove visual stuff, so that user will see something is happening
1161     reset_all
1162     sb_msg(_("Scanning source directory..."))
1163     Gtk.main_iteration while Gtk.events_pending?
1164
1165     for path in paths
1166         path = File.expand_path(path.sub(%r|/$|, ''))
1167         $workingdir = path
1168         entries = []
1169         if File.directory?(path)
1170             examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
1171             #- validate first
1172             examined_dirs.each { |dir|
1173                 if dir =~ /'/
1174                     return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
1175                 end
1176                 Dir.entries(dir).each { |file|
1177                     if file =~ /'/ && type = entry2type(file) && type == 'video'
1178                         return utf8(_("Videos can't contain a single quote character ('), sorry: %s") % "#{dir}/#{file}")
1179                     end
1180                 }
1181             }
1182
1183             #- scan for populate second
1184             examined_dirs.each { |dir|
1185                 if File.basename(dir) =~ /^\./
1186                     msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
1187                     next
1188                 end
1189                 entries += Dir.entries(dir).collect { |file| File.join(dir, file) }
1190             }
1191
1192         else
1193             entries << path
1194         end
1195
1196         if $sort_by_exif_date
1197             dates = {}
1198             entries.each { |file|
1199                 date_time = Exif.datetimeoriginal(file)
1200                 if ! date_time.nil?
1201                     dates[file] = date_time
1202                 end
1203             }
1204             entries = smartsort(entries, dates)
1205         else
1206             entries.sort!
1207         end
1208         entries.each { |file|
1209             type = entry2type(file)
1210             if type
1211                 if File.directory?(path)
1212                     $allentries << Entry.new(file, type, file[path.length + 1 .. -1])
1213                 else
1214                     $allentries << Entry.new(file, type, file)
1215                 end
1216             end
1217         }
1218     end
1219     return nil
1220 end
1221
1222 def open_dir_popup
1223     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
1224                                     nil,
1225                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
1226                                     nil,
1227                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1228     fc.transient_for = $main_window
1229     if $workingdir
1230         fc.current_folder = $workingdir
1231     end
1232     ok = false
1233     load = false
1234     while !ok
1235         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1236             msg = open_dir(fc.filename)
1237             if msg
1238                 show_popup(fc, msg)
1239                 ok = false
1240             else
1241                 ok = true
1242                 load = true
1243             end
1244         else
1245             ok = true
1246         end
1247     end
1248     fc.destroy
1249     if load
1250         show_entries($allentries)
1251     end
1252 end
1253
1254 def try_quit(*options)
1255     if ! $allentries.detect { |e| e.removed || e.labeled } || show_popup($main_window,
1256                                                                          utf8(_("You have not executed the classification. Are you sure you want to quit?")),
1257                                                                          { :okcancel => true })
1258         Gtk.main_quit
1259         $quit = true
1260         return false
1261     else
1262         return true
1263     end
1264 end
1265
1266 def execute
1267     dialog = Gtk::Dialog.new
1268     dialog.title = utf8(_("Booh message"))
1269
1270     vb1 = Gtk::VBox.new(false, 5)
1271     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!")))
1272     vb1.pack_start(label, false, false)
1273
1274     lastpath = $workingdir
1275
1276     table = Gtk::Table.new(0, 0, false)
1277     table.set_row_spacings(5)
1278     table.set_column_spacings(5)
1279     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)
1280     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)
1281     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)
1282     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)
1283     add_row = proc { |row, name, color, truthproc, normal|
1284         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)),
1285                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1286         counter = 0
1287         examples = Gtk::HBox.new(false, 5)
1288         $allentries.each { |entry|
1289             if truthproc.call(entry)
1290                 counter += 1
1291                 if counter < 4
1292                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1293                     if entry.type == 'video'
1294                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1295                                                   pack_start(thumbnail).
1296                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1297                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1298                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1299                     end
1300                     examples.pack_start(thumbnail, false, false)
1301                 elsif counter == 4
1302                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1303                 end
1304             end
1305         }
1306         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1307         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1308
1309         if counter == 0
1310             return {}
1311         end
1312
1313         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1314         iter = combostore.append
1315         if normal
1316             iter[0] = $main_window.render_icon(Gtk::Stock::PASTE, Gtk::IconSize::MENU)
1317             iter[1] = utf8(_("Copy to:"))
1318             iter = combostore.append
1319             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1320             iter[1] = utf8(_("Move to:"))
1321         else
1322             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1323             iter[1] = utf8(_("Permanently remove"))
1324         end
1325         iter = combostore.append
1326         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1327         iter[1] = utf8(_("Do nothing"))
1328         combo = Gtk::ComboBox.new(combostore)
1329         combo.active = 0
1330         renderer = Gtk::CellRendererPixbuf.new
1331         combo.pack_start(renderer, false)
1332         combo.set_attributes(renderer, :pixbuf => 0)
1333         renderer = Gtk::CellRendererText.new
1334         combo.pack_start(renderer, true)
1335         combo.set_attributes(renderer, :text => 1)
1336
1337         if normal
1338             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1339             pathbutton.signal_connect('clicked') {
1340                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1341                                                 nil,
1342                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1343                                                 nil,
1344                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1345                 fc.transient_for = dialog
1346                 if lastpath
1347                     fc.current_folder = lastpath
1348                 end
1349                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1350                     pathlabel.text = fc.filename
1351                     pathlabel.set_alignment(0, 0.5)
1352                 end
1353                 lastpath = fc.filename
1354                 fc.destroy
1355             }
1356             combo.signal_connect('changed') {
1357                 pathbutton.sensitive = combo.active <= 1
1358             }
1359             vb = Gtk::VBox.new(false, 5)
1360             vb.pack_start(combo, false, false)
1361             vb.pack_start(pathbutton, false, false)
1362             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1363             { :combo => combo, :pathlabel => pathlabel }
1364         else
1365             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1366             { :combo => combo }
1367         end
1368     }
1369     stuff = {}
1370     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), $color_red, proc { |entry| entry.removed }, false)
1371     $ordered_labels.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1372     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1373
1374     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1375     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1376     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 ]))
1377     if toremove_amount > 0
1378         vb1.pack_start(check_removal, false, false)
1379         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1380             check_removal.sensitive = widget.active == 0
1381         }
1382     end
1383
1384     dialog.vbox.add(vb1)
1385
1386     dialog.set_default_size(800, 600)
1387     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1388     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1389     dialog.window_position = Gtk::Window::POS_MOUSE
1390     dialog.transient_for = $main_window
1391
1392     dialog.show_all
1393
1394     while true
1395         dialog.run { |response|
1396             if response == Gtk::Dialog::RESPONSE_OK
1397                 problem = false
1398                 if toremove_amount > 0 && stuff['toremove'][:combo].active == 0
1399                     if ! check_removal.active?
1400                         show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1401                         problem = true
1402                         break
1403                     end
1404                     $allentries.each { |entry|
1405                         if entry.removed
1406                             if ! FileTest.writable?(entry.path)
1407                                 show_popup(dialog, utf8(_("Sorry, permission denied to remove '%s'.") % [ entry.path ]))
1408                                 problem = true
1409                                 break
1410                             end
1411                         end
1412                     }
1413                 end
1414                 label2entries = {}
1415                 $labels.values.each { |label| label2entries[label] = [] }
1416                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1417                 stuff.keys.each { |key|
1418                     if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1419                         destination = stuff[key][:pathlabel].text
1420                         if destination[0] != ?/
1421                             show_popup(dialog, utf8(_("You have not selected a directory where to move/copy %s.") % key.name))
1422                             problem = true
1423                             break
1424                         end
1425                         begin
1426                             Dir.mkdir(destination)
1427                         rescue Errno::EEXIST
1428                         end
1429                         begin
1430                             st = File.stat(destination)
1431                         rescue
1432                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not createable.") % [destination, key.name]))
1433                             problem = true
1434                             break
1435                         end
1436                         if ! st.directory? || ! st.writable?
1437                             show_popup(dialog, utf8(_("Directory %s, where to move/copy %s, is not valid or not writable.") % [destination, key.name]))
1438                             problem = true
1439                             break
1440                         end
1441                         label2entries[key].each { |entry|
1442                             begin
1443                                 File.stat(File.join(destination, File.basename(entry.path)))
1444                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1445                                 problem = true
1446                                 break
1447                             rescue
1448                             end
1449                         }
1450                         if stuff[key][:combo].active == 1
1451                             label2entries[key].each { |entry|
1452                                 if ! FileTest.writable?(entry.path)
1453                                     show_popup(dialog, utf8(_("Sorry, permission denied to move '%s'.") % [ entry.path ]))
1454                                     problem = true
1455                                     break
1456                                 end
1457                             }
1458                         end
1459                         if problem
1460                             break
1461                         end
1462                     end
1463                 }
1464                 if ! problem
1465                     begin
1466                         moved = 0
1467                         copied = 0
1468                         stuff.keys.each { |key|
1469                             if key.is_a?(Label) && stuff[key][:combo] && stuff[key][:combo].active <= 1
1470                                 destination = stuff[key][:pathlabel].text
1471                                 label2entries[key].each { |entry|
1472                                     if stuff[key][:combo].active == 0
1473                                         system("cp -dp '#{entry.path}' '#{destination}'") or raise "failed to copy '#{entry.path}'"
1474                                         copied += 1
1475                                     elsif stuff[key][:combo].active == 1
1476                                         system("mv '#{entry.path}' '#{destination}'") or raise "failed to move '#{entry.path}'"
1477                                         moved += 1
1478                                     end
1479                                 }
1480                             end
1481                         }
1482                         removed = 0
1483                         if stuff['toremove'][:combo] && stuff['toremove'][:combo].active == 0
1484                             $allentries.each { |entry|
1485                                 if entry.removed
1486                                     File.delete(entry.path)
1487                                     removed += 1
1488                                 end
1489                             }
1490                         end
1491                     rescue
1492                         msg 1, "woops: #{$!}"
1493                         show_popup(dialog, utf8(_("Unexpected error: '%s'.") % $!))
1494                     end
1495                     show_popup(dialog, utf8(_("Successfully moved %d files, copied %d file, and removed %d files.") % [ moved, copied, removed ]))
1496                     dialog.destroy
1497                     reset_all
1498                     return
1499                 end
1500
1501             else
1502                 dialog.destroy
1503                 return
1504             end
1505         }
1506     end
1507 end
1508
1509 def visible(entry)
1510     if ! entry
1511         #- just "executed"
1512         return
1513     end
1514     if ! entry.button
1515         #- not yet loaded
1516         return
1517     end
1518     if entry.labeled
1519         if entry.labeled.button.active?
1520             return true
1521         else
1522             return false
1523         end
1524     elsif entry.removed
1525         if $toremove_button.active?
1526             return true
1527         else
1528             return false
1529         end
1530     else
1531         if $unlabelled_button.active?
1532             return true
1533         else
1534             return false
1535         end
1536     end
1537 end
1538
1539 def update_visibility(entry)
1540     v = visible(entry)
1541     if v.nil?
1542         return
1543     end
1544     if v
1545         entry.button.show
1546     else
1547         entry.button.hide
1548     end
1549 end
1550
1551 def update_all_visibilities_aux
1552     $allentries.each { |entry|
1553         update_visibility(entry)
1554     }
1555     shown = $mainview.get_shown_entry
1556     shown or return
1557     while shown.button && ! shown.button.visible? && shown != $allentries.last
1558         shown = $allentries[$allentries.index(shown) + 1]
1559     end
1560     if shown.button && shown.button.visible?
1561         shown.button.grab_focus
1562         return
1563     end
1564     $allentries.reverse.each { |entry|
1565         if entry.button && entry.button.visible?
1566             entry.button.grab_focus
1567             return
1568         end
1569     }
1570 end
1571
1572 def update_all_visibilities
1573     update_all_visibilities_aux
1574     Gtk.main_iteration while Gtk.events_pending?
1575     shown = $mainview.get_shown_entry
1576     shown and autoscroll_if_needed(shown.button, false)
1577 end
1578
1579
1580 def preferences
1581     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1582                              $main_window,
1583                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1584                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1585                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1586
1587     tooltips = Gtk::Tooltips.new
1588
1589     table_y = 0
1590
1591     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1592     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1593                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1594     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1595                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1596     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1597
1598     table_y += 1
1599     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1600                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1601     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1602                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1603     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1604
1605     table_y += 1
1606     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Thumbnails height: ")))),
1607                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1608     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(thumbnails_height = Gtk::SpinButton.new(32, 256, 16).set_value($config['thumbnails-height'].to_i)),
1609                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1610     tooltips.set_tip(thumbnails_height, utf8(_("The desired height of the thumbnails in the thumbnails line of the bottom")), nil)
1611
1612     table_y += 1
1613     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1614                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1615     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)),
1616                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1617     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1618
1619     table_y += 1
1620     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1621                0, 1, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1622     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1623                1, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1624     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1625                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1626                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1627     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1628     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1629     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1630                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1631                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1632     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1633     cache_memfree_radio.signal_connect('toggled') {
1634         if cache_memfree_radio.active?
1635             cache_memfree_label.sensitive = true
1636             cache_specify_label.sensitive = false
1637         else
1638             cache_specify_label.sensitive = true
1639             cache_memfree_label.sensitive = false
1640         end
1641     }
1642     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1643     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1644         cache_memfree_spin.value = $1.to_i
1645     else
1646         cache_specify_spin.value = $config['cache-memory-use'].to_i / 1024
1647     end
1648
1649     table_y += 1
1650     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1651                0, 2, table_y, table_y + 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1652     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1653     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
1654
1655     dialog.vbox.show_all
1656     dialog.run { |response|
1657         if response == Gtk::Dialog::RESPONSE_OK
1658             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1659             $config['browser'] = from_utf8(browser_entry.text)
1660             $config['thumbnails-height'] = thumbnails_height.value
1661             $config['preload-distance'] = preload_distance.value
1662             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
1663             if cache_memfree_radio.active?
1664                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1665             else
1666                 $config['cache-memory-use'] = cache_specify_spin.value.to_i * 1024
1667             end
1668             set_cache_memory_use_figure
1669         end
1670     }
1671     dialog.destroy
1672 end
1673
1674 def perform_undo
1675     if $undo_mb.sensitive?
1676         $redo_mb.sensitive = true
1677         if not more_undoes = UndoHandler.undo($statusbar)
1678             $undo_mb.sensitive = false
1679         end
1680     end
1681 end
1682
1683 def perform_redo
1684     if $redo_mb.sensitive?
1685         $undo_mb.sensitive = true
1686         if not more_redoes = UndoHandler.redo($statusbar)
1687             $redo_mb.sensitive = false
1688         end
1689     end
1690 end
1691
1692 def create_menubar
1693     #- menu
1694     mb = Gtk::MenuBar.new
1695
1696     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1697     filesubmenu = Gtk::Menu.new
1698     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1699     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1700     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1701     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1702     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1703     filemenu.set_submenu(filesubmenu)
1704     mb.append(filemenu)
1705
1706     open.signal_connect('activate') { open_dir_popup }
1707     $execute.signal_connect('activate') { execute }
1708     quit.signal_connect('activate') { try_quit }
1709
1710     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1711     editsubmenu = Gtk::Menu.new
1712     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1713     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1714     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1715     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1716     editmenu.set_submenu(editsubmenu)
1717     mb.append(editmenu)
1718
1719     $undo_mb.signal_connect('activate') { perform_undo }
1720     $redo_mb.signal_connect('activate') { perform_redo }
1721     prefs.signal_connect('activate') { preferences }
1722
1723     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1724     helpsubmenu = Gtk::Menu.new
1725     helpsubmenu.append(howto = Gtk::ImageMenuItem.new(Gtk::Stock::HELP))
1726     helpsubmenu.append(speed = Gtk::ImageMenuItem.new(utf8(_("Speedup: key shortcuts"))))
1727     speed.image = Gtk::Image.new("#{$FPATH}/images/stock-info-16.png")
1728     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1729     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1730     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1731     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1732     helpmenu.set_submenu(helpsubmenu)
1733     mb.append(helpmenu)
1734
1735     howto.signal_connect('activate') {
1736         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Help</span>
1737
1738 1. Open a directory with <span foreground='darkblue'>File/Open</span>; the classifier will scan it (including subdirectories) and
1739 show thumbnails for all photos and videos at the bottom.
1740
1741 2. You can then navigate through images with the <span foreground='darkblue'>Left/Right</span> keyboard keys, or by <span foreground='darkblue'>clicking</span>
1742 on thumbnails.
1743
1744 3. You may associate a <span foreground='darkblue'>label</span> to each thumbnail. Either hit the <span foreground='darkblue'>Delete</span> key to associate
1745 the built-in <i>to remove</i> label, or hit any alphabetical key to associate a label you define.
1746 The first time you hit a key without any label associated, a popup will ask for the full
1747 name of this label, and what color you want. To clear the current label, hit the <span foreground='darkblue'>Space</span> key.
1748
1749 4. To help you better view what thumbnails are associated to your labels, you may <span foreground='darkblue'>hide</span>
1750 some of them by unchecking the labels checkboxes on the left.
1751
1752 5. Once you're finished reviewing all thumbnails, use <span foreground='darkblue'>File/Execute</span> to execute the desired
1753 actions according to associated labels. You can permanently remove (or not) images with
1754 the <i>to remove</i> label, and copy or move images with the labels you defined.
1755 ")), { :pos_centered => true, :not_transient => true })
1756     }
1757     speed.signal_connect('activate') {
1758         show_popup($main_window, utf8(_("<span size='large' weight='bold'>Key shortcuts</span>
1759
1760 <span foreground='darkblue'>Left/Right</span>: move left and right in images
1761 <span foreground='darkblue'>Enter</span>: 'view' current image: for images, display EXIF data; for videos, play it
1762 <span foreground='darkblue'>Alt-Left/Right</span>: rotate current image clockwise/counter-clockwise
1763 <span foreground='darkblue'>Delete</span>: assign the 'to remove' label on current image
1764 <span foreground='darkblue'>Space</span>: clear any label on current image
1765 <span foreground='darkblue'>Control-z</span>: undo
1766 <span foreground='darkblue'>Control-r</span>: redo
1767 <span foreground='darkblue'>Control-Space</span>: recenter thumbnails on current item
1768
1769 Any alphabetical key will assign (or popup for) the associated label on current image.
1770 ")), { :pos_centered => true, :not_transient => true })
1771     }
1772     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial') }
1773     about.signal_connect('activate') { call_about }
1774
1775
1776     #- no toolbar, to save height
1777
1778     return mb
1779 end
1780
1781 def reset_labels
1782     for child in $labels_vbox.children
1783         $labels_vbox.remove(child)
1784     end
1785     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1786     $labels = {}
1787     $ordered_labels = []
1788     lbl = Gtk::Label.new.set_markup(utf8(_("<i>unlabelled</i>")))
1789     $labels_vbox.pack_start($unlabelled_button = Gtk::CheckButton.new.add(Gtk::EventBox.new.add(lbl)).show_all)
1790     $unlabelled_button.active = true
1791     $unlabelled_button.signal_connect('toggled') { update_all_visibilities }
1792     lbl = Gtk::Label.new.set_markup(utf8(_("<i>to remove</i>")))
1793     $labels_vbox.pack_start($toremove_button = Gtk::CheckButton.new.add(evt = Gtk::EventBox.new.add(lbl)).show_all)
1794     $toremove_button.active = true
1795     $toremove_button.signal_connect('toggled') { update_all_visibilities }
1796     evt.modify_bg(Gtk::StateType::NORMAL, $color_red)
1797     evt.modify_bg(Gtk::StateType::PRELIGHT, $color_red.lighter.lighter)
1798     evt.modify_bg(Gtk::StateType::ACTIVE, $color_red.lighter)
1799 end
1800
1801 def reset_thumbnails
1802     $allentries = []
1803     if $preloader_running
1804         $preloader_force_exit = true
1805     end
1806     for child in $imagesline.children
1807         $imagesline.remove(child)
1808     end
1809     set_imagesline_size_request
1810 end
1811
1812 def set_imagesline_size_request
1813     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + Entry.thumbnails_height/4)
1814 end
1815
1816 def create_main_window
1817
1818     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1819     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1820
1821     mb = create_menubar
1822
1823     main_vbox = Gtk::VBox.new(false, 0)
1824     main_vbox.pack_start(mb, false, false)
1825     mainview_hbox = Gtk::HBox.new
1826     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 1, 1).add(left_vbox = Gtk::VBox.new(false, 5)), false, true)
1827     left_vbox.pack_start(($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1828     left_vbox.pack_end($loading_progressbar = Gtk::ProgressBar.new.set_text(utf8(_("Loading... %d%") % 0)), false, true)
1829     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1830     main_vbox.pack_start(mainview_hbox, true, true)
1831     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1832     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1833     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1834     main_vbox.pack_start($imagesline_sw, false, false)
1835     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1836
1837     set_imagesline_size_request
1838
1839     $main_window = create_window
1840     $main_window.add(main_vbox)
1841     $main_window.signal_connect('delete-event') {
1842         try_quit
1843     }
1844
1845     #- read/save size and position of window
1846     if $config['pos-x'] && $config['pos-y']
1847         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1848     else
1849         $main_window.window_position = Gtk::Window::POS_CENTER
1850     end
1851     msg 3, "size: #{$config['width']}x#{$config['height']}"
1852     $main_window.set_default_size(($config['width'] || 800).to_i, ($config['height'] || 600).to_i)
1853     $main_window.signal_connect('configure-event') {
1854         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1855         x, y = $main_window.window.root_origin
1856         width, height = $main_window.window.size
1857         $config['pos-x'] = x
1858         $config['pos-y'] = y
1859         $config['width'] = width
1860         $config['height'] = height
1861         false
1862     }
1863
1864     $main_window.show_all
1865     $loading_progressbar.hide
1866 end
1867
1868
1869 handle_options
1870 read_config
1871 Gtk.init
1872
1873
1874 create_main_window
1875 check_config
1876
1877 if ARGV[0]
1878     if msg = open_dir(*ARGV)
1879         puts msg
1880     else
1881         Gtk.idle_add {
1882             show_entries($allentries)
1883             false
1884         }
1885     end
1886 end
1887 Gtk.main
1888
1889 write_config