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) 2004-2006 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 require 'thread'
  25
  26 require 'gtk2'
  27
  28 require 'gettext'
  29 include GetText
  30 bindtextdomain("booh")
  31
  32 require 'rexml/document'
  33 include REXML
  34
  35 require 'booh/booh-lib'
  36 include Booh
  37 require 'booh/UndoHandler'
  38
  39
  40 #- options
  41 $options = [
  42     [ '--help',          '-h', GetoptLong::NO_ARGUMENT,       _("Get help message") ],
  43
  44     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
  45 ]
  46
  47 def usage
  48     puts _("Usage: %s [OPTION]...") % File.basename($0)
  49     $options.each { |ary|
  50         printf " %3s, %-15s %s\n", ary[1], ary[0], ary[3]
  51     }
  52 end
  53
  54 def handle_options
  55     parser = GetoptLong.new
  56     parser.set_options(*$options.collect { |ary| ary[0..2] })
  57     begin
  58         parser.each_option do |name, arg|
  59             case name
  60             when '--help'
  61                 usage
  62                 exit(0)
  63
  64             when '--verbose-level'
  65                 $verbose_level = arg.to_i
  66
  67             end
  68         end
  69     rescue
  70         puts $!
  71         usage
  72         exit(1)
  73     end
  74 end
  75
  76 def startup_memfree
  77     if $startup_memfree.nil?
  78         meminfo = IO.readlines('/proc/meminfo').join
  79         meminfo =~ /MemFree:.*?(\d+)/ or return -1
  80         memfree = $1
  81         meminfo =~ /Buffers:.*?(\d+)/ and buffers = $1
  82         meminfo =~ /Cached:.*?(\d+)/ and cached = $1
  83         $startup_memfree = memfree.to_i + buffers.to_i + cached.to_i
  84     end
  85     return $startup_memfree
  86 end
  87
  88 def set_cache_memory_use_figure
  89
  90     if $config['cache-memory-use'] =~ /memfree_(\d+)/
  91         $config['cache-memory-use-figure'] = startup_memfree*$1.to_f/100
  92     else
  93         $config['cache-memory-use-figure'] = $config['cache-memory-use'].to_i
  94     end
  95     msg 2, _("Cache memory used: %s kB") % $config['cache-memory-use-figure']
  96 end
  97
  98 def read_config
  99     $config = {}
 100     $config_file = File.expand_path('~/.booh-classifier-rc')
 101     if File.readable?($config_file)
 102         $xmldoc = REXML::Document.new(File.new($config_file))
 103         $xmldoc.root.elements.each { |element|
 104             txt = element.get_text
 105             if txt
 106                 if txt.value =~ /~~~/
 107                     $config[element.name] = txt.value.split(/~~~/)
 108                 else
 109                     $config[element.name] = txt.value
 110                 end
 111             elsif element.elements.size == 0
 112                 $config[element.name] = ''
 113             else
 114                 $config[element.name] = {}
 115                 element.each { |chld|
 116                     txt = chld.get_text
 117                     $config[element.name][chld.name] = txt ? txt.value : nil
 118                 }
 119             end
 120         }
 121     end
 122     $config['video-viewer'] ||= '/usr/bin/mplayer %f'
 123     $config['browser'] ||= "/usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f"
 124     $config['preload-distance'] ||= '5'
 125     $config['cache-memory-use'] ||= 'memfree_80%'
 126 #    $config['rotate-set-exif'] ||= 'true'
 127     set_cache_memory_use_figure
 128 end
 129
 130 def check_config
 131     missing = %w(transcode mencoder).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
 132     if missing != []
 133         show_popup($main_window, utf8(_("The following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')), { :pos_centered => true })
 134     end
 135
 136     viewer_binary = $config['video-viewer'].split.first
 137     if viewer_binary && ! File.executable?(viewer_binary)
 138         show_popup($main_window, utf8(_("The configured video viewer seems to be unavailable.
 139 You should fix this in Edit/Preferences so that you can view videos.
 140
 141 Problem was: '%s' is not an executable file.
 142 Hint: don't forget to specify the full path to the executable,
 143 e.g. '/usr/bin/mplayer' is correct but 'mplayer' only is not.") % viewer_binary), { :pos_centered => true, :not_transient => true })
 144     end
 145     browser_binary = $config['browser'].split.first
 146     if browser_binary && ! File.executable?(browser_binary)
 147         show_popup($main_window, utf8(_("The configured browser seems to be unavailable.
 148 You should fix this in Edit/Preferences so that you can open URLs.
 149
 150 Problem was: '%s' is not an executable file.") % browser_binary), { :pos_centered => true, :not_transient => true })
 151     end
 152 end
 153
 154 def write_config
 155     ios = File.open($config_file, "w")
 156     $xmldoc = Document.new "<booh-classifier-rc version='#{$VERSION}'/>"
 157     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
 158     $config.each_pair { |key, value|
 159         elem = $xmldoc.root.add_element key
 160         if value.is_a? Hash
 161             $config[key].each_pair { |subkey, subvalue|
 162                 subelem = elem.add_element subkey
 163                 subelem.add_text subvalue.to_s
 164             }
 165         elsif value.is_a? Array
 166             elem.add_text value.join('~~~')
 167         else
 168             if !value
 169                 elem.remove
 170             else
 171                 elem.add_text value.to_s
 172             end
 173         end
 174     }
 175     $xmldoc.write(ios, 0)
 176     ios.close
 177 end
 178
 179 def save_undo(name, closure, *params)
 180     UndoHandler.save_undo(name, closure, [ *params ])
 181     $undo_mb.sensitive = true
 182     $redo_mb.sensitive = false
 183 end
 184
 185 def get_mem
 186     IO.readlines('/proc/self/status').join =~ /VmRSS.*?(\d+)\s*kB/
 187     msg 3, "RSS: #{$1}"
 188     return $1.to_i
 189 end
 190
 191 def show_mem(*txt)
 192     txt.length > 0 and print txt[0]
 193     msg 2, "RSS: #{get_mem}"
 194 end
 195
 196 class Gdk::Color
 197     def darker
 198         color = dup
 199         color.red = [ color.red - 10000, 0 ].max
 200         color.green = [ color.green - 10000, 0 ].max
 201         color.blue = [ color.blue - 10000, 0 ].max
 202         return color
 203     end
 204     def lighter
 205         color = dup
 206         color.red = [ color.red + 10000, 65535 ].min
 207         color.green = [ color.green + 10000, 65535 ].min
 208         color.blue = [ color.blue + 10000, 65535 ].min
 209         return color
 210     end
 211 end
 212
 213 $color_red = Gdk::Color.new(65535, 0, 0)
 214 $colors = [ Gdk::Color.new(0, 65535, 0),
 215             Gdk::Color.new(0, 0, 65535),
 216             Gdk::Color.new(65535, 65535, 0),
 217             Gdk::Color.new(0, 65535, 65535),
 218             Gdk::Color.new(65535, 0, 65535) ]
 219
 220 class Label
 221     attr_accessor :color, :name
 222     def initialize(name)
 223         @name = name
 224     end
 225 end
 226
 227 class Entry
 228     @@thumbnails_height = 64
 229     @@max_height = nil
 230     def Entry.thumbnails_height
 231         return @@thumbnails_height
 232     end
 233
 234     attr_accessor :path, :type, :angle, :button, :image, :alignment, :removed, :labeled
 235
 236     def initialize(path, type)
 237         @path = path
 238         @type = type
 239         if @@max_height.nil?
 240             @@max_height = $main_window.root_window.size[1]
 241         end
 242         @protect_cleanup = Mutex.new
 243     end
 244
 245     def pixbuf_full
 246         @protect_cleanup.synchronize {
 247             if @pixbuf_full.nil?
 248                 msg 3, ">>> pixbuf_full #{path}"
 249                 load_into_pixbuf_full
 250             end
 251             return @pixbuf_full
 252         }
 253     end
 254     def free_pixbuf_full
 255         @protect_cleanup.synchronize {
 256             if @pixbuf_full.nil?
 257                 return false
 258             else
 259                 msg 3, ">>> free_pixbuf_full #{path}"
 260                 @pixbuf_full = nil
 261                 return true
 262             end
 263         }
 264     end
 265     def pixbuf_main(width, height)
 266         @protect_cleanup.synchronize {
 267             if @pixbuf_main.nil? || width != @width || height != @height
 268                 msg 3, ">>> pixbuf_main #{path}"
 269                 @width = width
 270                 @height = height
 271                 load_into_pixbuf_full  #- make sure it is loaded
 272                 if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
 273                     resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
 274                     if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
 275                         @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
 276                     else
 277                         @pixbuf_main = @pixbuf_full
 278                     end
 279                 else
 280                     resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
 281                     if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
 282                         @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
 283                     else
 284                         @pixbuf_main = @pixbuf_full
 285                     end
 286                 end
 287             end
 288             return @pixbuf_main
 289         }
 290     end
 291     def free_pixbuf_main
 292         @protect_cleanup.synchronize {
 293             if @pixbuf_main.nil?
 294                 return false
 295             else
 296                 msg 3, ">>> free_pixbuf_main #{path}"
 297                 @pixbuf_main = nil
 298                 return true
 299             end
 300         }
 301     end
 302     def pixbuf_thumbnail
 303         return @protect_cleanup.synchronize {
 304             if @pixbuf_thumbnail.nil?
 305                 msg 3, ">>> pixbuf_thumbnail #{path}"
 306                 load_into_pixbuf_full  #- make sure it is loaded
 307                 @pixbuf_thumbnail = @pixbuf_full.scale(@pixbuf_full.width * (@@thumbnails_height.to_f/@pixbuf_full.height), @@thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
 308             end
 309             return @pixbuf_thumbnail
 310         }
 311     end
 312     def free_pixbuf_thumbnail
 313         @protect_cleanup.synchronize {
 314             if @pixbuf_thumbnail.nil?
 315                 return false
 316             else
 317                 msg 3, ">>> free_pixbuf_thumbnail #{path}"
 318                 @pixbuf_thumbnail = nil
 319                 return true
 320             end
 321         }
 322     end
 323
 324     def outline_color
 325         if removed
 326             return $color_red
 327         elsif labeled
 328             return labeled.color
 329         else
 330             return nil
 331         end
 332     end
 333
 334     def show_bg
 335         if outline_color.nil?
 336             button.modify_bg(Gtk::StateType::NORMAL, nil)
 337             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
 338             button.modify_bg(Gtk::StateType::ACTIVE, nil)
 339         else
 340             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
 341             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
 342             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
 343         end
 344     end
 345
 346     def get_beautified_name
 347         if type == 'image'
 348             size = get_image_size(path)
 349             return _("%s (%sx%s, %s KB)") % [File.basename(@path).gsub(/\.[^.]+$/, ''),
 350                                              size[:x],
 351                                              size[:y],
 352                                              commify(file_size(path)/1024)]
 353         else
 354             return _("%s (video - %s KB)") % [File.basename(@path).gsub(/\.[^.]+$/, ''),
 355                                              commify(file_size(path)/1024)]
 356         end
 357     end
 358
 359     private
 360     def cleanup_dir(dir)
 361         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
 362         Dir.delete(dir)
 363     end
 364
 365     def load_into_pixbuf_full
 366         if @pixbuf_full.nil?
 367             msg 3, ">>> load_into_pixbuf_full #{path}"
 368             if @type == 'video'
 369                 tmp = Tempfile.new("boohclassifiertemp")
 370                 tmp.close!
 371                 Dir.mkdir(dest_dir = tmp.path)
 372                 orig_base = File.basename(path)
 373                 if ! gen_video_thumbnail(path, dest_dir, orig_base, false, 0)
 374                     cleanup_dir(dest_dir)
 375                     return
 376                 end
 377                 image_path = "#{dest_dir}/#{orig_base}.jpg000000.jpg"
 378             else
 379                 image_path = @path
 380             end
 381             begin
 382                 @pixbuf_full = Gdk::Pixbuf.new(image_path)
 383             rescue Gdk::PixbufError
 384                 msg 0, "Cannot load #{image_path}: #{$!}"
 385                 return
 386             end
 387             if @pixbuf_full
 388                 if @angle.nil?
 389                     if @type == 'image'
 390                         @angle = guess_rotate(image_path)
 391                     else
 392                         @angle = 0
 393                     end
 394                 end
 395                 if @angle != 0
 396                     msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
 397                     @pixbuf_full = rotate_pixbuf(@pixbuf_full, @angle)
 398                 end
 399                 if @pixbuf_full.height > @@max_height
 400                     #- save a lot of memory, don't store in actual full size
 401                     @pixbuf_full = @pixbuf_full.scale(@pixbuf_full.width * (@@max_height.to_f/@pixbuf_full.height), @@max_height, Gdk::Pixbuf::INTERP_BILINEAR)
 402                 end
 403             end
 404             if @type == 'video'
 405                 cleanup_dir(dest_dir)
 406             end
 407         end
 408     end
 409
 410     def to_s
 411         @path
 412     end
 413 end
 414
 415 class MainView < Gtk::DrawingArea
 416
 417     @@borders_thickness = 5
 418     @@borders_length = 25
 419
 420     def MainView.get_usable_width(available_width)
 421         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
 422     end
 423
 424     def MainView.get_usable_height(available_height)
 425         return available_height - @@borders_thickness * 2
 426     end
 427
 428     def initialize
 429         super()
 430         signal_connect('expose-event') { draw }
 431         signal_connect('configure-event') { update_shown; GC.start }
 432         signal_connect('realize') {
 433             @preloader = Thread.new {
 434                 #- background preloading
 435                 while true
 436                     msg 3, "background main preloading triggered..."
 437                     if ! @entry.nil?
 438                         index = $allentries.index(@entry)
 439                         w, h = window.size
 440                         w = MainView.get_usable_width(w)
 441                         h = MainView.get_usable_height(h)
 442                         for j in 1 .. $config['preload-distance'].to_i
 443                             i = index + j
 444                             if i < $allentries.size
 445                                 $allentries[i].pixbuf_main(w, h)
 446                             end
 447                             i = index - j
 448                             if i >= 0
 449                                 $allentries[i].pixbuf_main(w, h)
 450                             end
 451                             GC.start
 452                             mem = get_mem
 453                             if mem > $config['cache-memory-use-figure']
 454                                 msg 3, "too much RSS, stopping main preloading"
 455                                 break
 456                             end
 457                         end
 458                         check_memory_free_cache_if_needed
 459                     end
 460                     Thread.stop
 461                 end
 462             }
 463             @preloader.priority = -2
 464         }
 465     end
 466
 467     def set_shown_entry(entry)
 468         if ! entry.nil? && entry == @entry
 469             return
 470         end
 471         if ! entry.nil?
 472             if ! entry.button
 473                 #- not loaded yet
 474                 return
 475             else
 476                 entry.button.grab_focus
 477             end
 478         end
 479         @entry = entry
 480         redraw
 481         @preloader.run
 482     end
 483
 484     def get_shown_entry
 485         return @entry
 486     end
 487
 488     def show_next_entry(entry)
 489         index = $allentries.index(entry) + 1
 490         if index < $allentries.size
 491             set_shown_entry($allentries[index])
 492         end
 493     end
 494
 495     def redraw
 496         update_shown
 497         w, h = window.size
 498         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
 499         window.clear
 500         draw
 501         window.end_paint
 502     end
 503
 504     def update_shown
 505         if @entry
 506             width, height = window.size
 507             usable_width = MainView.get_usable_width(width)
 508             usable_height = MainView.get_usable_height(height)
 509             @pixbuf = @entry.pixbuf_main(usable_width, usable_height)
 510             @xpos = (width - @pixbuf.width)/2
 511             @ypos = (height - @pixbuf.height)/2
 512             @preloader.run
 513         else
 514             @pixbuf = nil
 515         end
 516     end
 517
 518     def draw
 519         if @pixbuf
 520             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
 521             if @entry && @entry.type == 'video'
 522                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
 523             end
 524             if ! @entry.outline_color.nil?
 525                 gc = Gdk::GC.new(window)
 526                 colormap.alloc_color(@entry.outline_color, false, true)
 527                 gc.set_foreground(@entry.outline_color)
 528                 if @entry && @entry.type == 'video'
 529                     xleft = @xpos - $videoborder_pixbuf.width
 530                     xright = @xpos + @pixbuf.width + $videoborder_pixbuf.width
 531                 else
 532                     xleft = @xpos
 533                     xright = @xpos + @pixbuf.width
 534                 end
 535                 window.draw_polygon(gc, true, [[xleft - @@borders_thickness, @ypos - @@borders_thickness],
 536                                                [xright + @@borders_thickness, @ypos - @@borders_thickness],
 537                                                [xright + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 538                                                [xleft - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 539                                                [xleft - @@borders_thickness, @ypos - 1],
 540                                                [xleft - 1, @ypos - 1],
 541                                                [xleft - 1, @ypos + @pixbuf.height + 1],
 542                                                [xright + 1, @ypos + @pixbuf.height + 1],
 543                                                [xright + 1, @ypos - 1],
 544                                                [xleft - @@borders_thickness, @ypos - 1]])
 545             end
 546         end
 547     end
 548 end
 549
 550 def check_memory_free_cache_if_needed
 551     GC.start
 552     mem = get_mem
 553     i = $allentries.index($mainview.get_shown_entry)
 554     msg 3, "mem: #{mem} index: #{i}"
 555     return if i.nil?
 556     ($allentries.size - 1).downto(1) { |j|
 557         if mem < $config['cache-memory-use-figure'] * 2 / 3
 558             break
 559         end
 560         index = i + j
 561         msg 3, "too much RSS, freeing full size of #{i+j} and #{i-j}..."
 562         freedsomething = false
 563         if i + j < $allentries.size
 564             freedsomething |= $allentries[i+j].free_pixbuf_full
 565         end
 566         if i - j > 0
 567             freedsomething |= $allentries[i-j].free_pixbuf_full
 568         end
 569         if freedsomething
 570             GC.start
 571             mem = get_mem
 572             msg 3, "\tmem now: #{mem}"
 573         end
 574     }
 575 end
 576
 577 def autoscroll_if_needed(button)
 578     xpos_left = button.allocation.x
 579     xpos_right = button.allocation.x + button.allocation.width
 580     hadj = $imagesline_sw.hadjustment
 581     current_minx_visible = hadj.value
 582     current_maxx_visible = hadj.value + hadj.page_size
 583     if xpos_left < current_minx_visible
 584         #- autoscroll left
 585         newval = hadj.value - (current_minx_visible - xpos_left)
 586         hadj.value = newval
 587         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 588     elsif xpos_right > current_maxx_visible
 589         #- autoscroll right
 590         newval = hadj.value + (xpos_right - current_maxx_visible)
 591         if newval > hadj.upper - hadj.page_size
 592             newval = hadj.upper - hadj.page_size
 593         end
 594         hadj.value = newval
 595         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 596     end
 597 end
 598
 599 def show_popup(parent, msg, *options)
 600     dialog = Gtk::Dialog.new
 601     if options[0]
 602         options = options[0]
 603     else
 604         options = {}
 605     end
 606     if options[:title]
 607         dialog.title = options[:title]
 608     else
 609         dialog.title = utf8(_("Booh message"))
 610     end
 611     lbl = Gtk::Label.new
 612     if options[:nomarkup]
 613         lbl.text = msg
 614     else
 615         lbl.markup = msg
 616     end
 617     if options[:centered]
 618         lbl.set_justify(Gtk::Justification::CENTER)
 619     end
 620     if options[:selectable]
 621         lbl.selectable = true
 622     end
 623     if options[:topwidget]
 624         dialog.vbox.add(options[0][:topwidget])
 625     end
 626     if options[:scrolled]
 627         sw = Gtk::ScrolledWindow.new(nil, nil)
 628         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
 629         sw.add_with_viewport(lbl)
 630         dialog.vbox.add(sw)
 631         dialog.set_default_size(500, 600)
 632     else
 633         dialog.vbox.add(lbl)
 634         dialog.set_default_size(200, 120)
 635     end
 636     if options[:bottomwidget]
 637         dialog.vbox.add(options[:bottomwidget])
 638     end
 639     if options[:okcancel]
 640         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
 641     end
 642     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
 643
 644     if options[:pos_centered]
 645         dialog.window_position = Gtk::Window::POS_CENTER
 646     else
 647         dialog.window_position = Gtk::Window::POS_MOUSE
 648     end
 649
 650     if options[:linkurl]
 651         linkbut = Gtk::Button.new('')
 652         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
 653         linkbut.signal_connect('clicked') {
 654             open_url(options[0][:linkurl] + '/index.html')
 655             dialog.response(Gtk::Dialog::RESPONSE_OK)
 656             set_mousecursor_normal
 657         }
 658         linkbut.relief = Gtk::RELIEF_NONE
 659         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
 660         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
 661         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
 662     end
 663
 664     dialog.show_all
 665
 666     if options[:stuff_connector]
 667         options[:stuff_connector].call({ :dialog => dialog })
 668     end
 669
 670     if !options[:not_transient]
 671         dialog.transient_for = parent
 672         dialog.run { |response|
 673             if options[:data_getter]
 674                 options[:data_getter].call
 675             end
 676             dialog.destroy
 677             if options[:okcancel]
 678                 return response == Gtk::Dialog::RESPONSE_OK
 679             end
 680         }
 681     else
 682         dialog.signal_connect('response') { dialog.destroy }
 683     end
 684 end
 685
 686 def video_view(entry)
 687     cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
 688     msg 2, cmd
 689     system(cmd)
 690 end
 691
 692 def thumbnail_keypressed(entry, event)
 693     if event.state & Gdk::Window::MOD1_MASK != 0
 694         #- ALT pressed: Alt-Left and Alft-Right rotate
 695         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
 696             if event.keyval == Gdk::Keyval::GDK_Left
 697                 entry.angle = (entry.angle - 90) % 360
 698             else
 699                 entry.angle = (entry.angle + 90) % 360
 700             end
 701             entry.free_pixbuf_full
 702             entry.free_pixbuf_main
 703             entry.free_pixbuf_thumbnail
 704             $mainview.redraw
 705             entry.image.pixbuf = entry.pixbuf_thumbnail
 706         end
 707
 708     elsif event.state & Gdk::Window::CONTROL_MASK != 0
 709         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo
 710         if event.keyval == Gdk::Keyval::GDK_z
 711             perform_undo
 712         end
 713         if event.keyval == Gdk::Keyval::GDK_r
 714             perform_redo
 715         end
 716
 717     else
 718         removed_before = entry.removed
 719         label_before = entry.labeled
 720
 721         if event.keyval == Gdk::Keyval::GDK_Delete
 722             entry.removed = true
 723             entry.labeled = nil
 724             entry.show_bg
 725             $mainview.show_next_entry(entry)
 726             if $hide_todel.active?
 727                 entry.button.hide
 728             end
 729
 730             save_undo(_("set for removal"),
 731                       proc {
 732                           entry.removed = removed_before
 733                           entry.labeled = label_before
 734                           entry.show_bg
 735                           if ! $hide_todel.active? && ! entry.removed
 736                               entry.button.show
 737                               $mainview.set_shown_entry(entry)
 738                           end
 739                           proc {
 740                               entry.removed = true
 741                               entry.labeled = nil
 742                               entry.show_bg
 743                               $mainview.set_shown_entry(entry)
 744                               if $hide_todel.active?
 745                                   entry.button.hide
 746                               end
 747                           }
 748                       })
 749
 750         elsif event.keyval == Gdk::Keyval::GDK_space
 751             if entry.labeled
 752                 msg = _("Cleared label")
 753             elsif entry.removed
 754                 msg = _("Cleared set for removal")
 755             end
 756             entry.removed = false
 757             entry.labeled = nil
 758             entry.show_bg
 759             $mainview.show_next_entry(entry)
 760
 761             save_undo(msg,
 762                       proc {
 763                           entry.removed = removed_before
 764                           entry.labeled = label_before
 765                           entry.show_bg
 766                           $mainview.set_shown_entry(entry)
 767                           proc {
 768                               entry.removed = false
 769                               entry.labeled = nil
 770                               entry.show_bg
 771                               $mainview.set_shown_entry(entry)
 772                           }
 773                       })
 774
 775         elsif event.keyval == Gdk::Keyval::GDK_Return && entry.type == 'video'
 776             video_view(entry)
 777
 778         else
 779             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
 780             if char =~ /^[a-zA-z0-9]$/
 781                 label = $labels[char]
 782
 783                 if label.nil?
 784                     vb = Gtk::VBox.new(false, 0)
 785                     vb.pack_start(entry = Gtk::Entry.new.set_text(char), false, false)
 786                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::Button.new(utf8(_("  Change color  ")))))
 787                     text = nil
 788                     color = nil
 789                     bt.signal_connect('clicked') {
 790                         color = $colors.shift
 791                         if color.nil?
 792                             color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
 793                         end
 794                         bt.modify_bg(Gtk::StateType::NORMAL, color)
 795                         bt.modify_bg(Gtk::StateType::PRELIGHT, color)
 796                         bt.modify_bg(Gtk::StateType::ACTIVE, color.darker)
 797                     }
 798                     bt.clicked
 799                     entry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
 800                         while $labels.has_key?(entry.text[0,1])
 801                             entry.text = entry.text.sub(/./, '')
 802                         end
 803                     }
 804                     if show_popup($main_window,
 805                                   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,
 806                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = entry.text },
 807                                     :stuff_connector => proc { |stuff| entry.select_region(0, 0)
 808                                                                        entry.position = -1
 809                                                                        entry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
 810                         if text.length > 0
 811                             char = text[0,1]  #- in case it changed
 812                             label = Label.new(text)
 813                             label.color = color
 814                             $labels[char] = label
 815                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
 816                             $labels_vbox.pack_start(evt = Gtk::EventBox.new.add(lbl).modify_bg(Gtk::StateType::NORMAL, label.color).show_all)
 817                         end
 818                     end
 819
 820                 else
 821                     entry.removed = false
 822                     entry.labeled = label
 823                     entry.show_bg
 824                     $mainview.show_next_entry(entry)
 825
 826                     save_undo(_("set label"),
 827                               proc {
 828                                   entry.removed = removed_before
 829                                   entry.labeled = label_before
 830                                   entry.show_bg
 831                                   $mainview.set_shown_entry(entry)
 832                                   proc {
 833                                       entry.removed = false
 834                                       entry.labeled = label
 835                                       entry.show_bg
 836                                       $mainview.set_shown_entry(entry)
 837                                   }
 838                               })
 839                 end
 840             end
 841         end
 842     end
 843 end
 844
 845 def sb_msg(msg)
 846     $statusbar.pop(0)
 847     if msg
 848         $statusbar.push(0, utf8(msg))
 849     end
 850 end
 851
 852 def real_show_entry(entry, tooltips, grab_focus)
 853     #- for scoping the actual reference to 'entry'
 854     gtk_thread_protect(proc {
 855         msg 3, "using entry #{entry}"
 856         entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
 857         if entry.type == 'video'
 858             entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
 859                                                              pack_start(entry.image).
 860                                                              pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
 861             da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
 862             da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
 863         else
 864             entry.button = Gtk::Button.new.set_image(entry.image)
 865         end
 866         tooltips.set_tip(entry.button, entry.get_beautified_name, nil)
 867         $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
 868         entry.button.signal_connect('clicked') {
 869             if (last_shown = $mainview.get_shown_entry) != entry
 870                 $mainview.set_shown_entry(entry)
 871                 entry.alignment.set(0.5, 0, 0, 0)
 872                 sb_msg(_("Selected %s") % entry.get_beautified_name)
 873                 last_shown.nil? or last_shown.alignment.set(0.5, 1, 0, 0)
 874             end
 875         }
 876         entry.button.signal_connect('button-press-event') { |w, event|
 877             if entry.type == 'video' && event.event_type == Gdk::Event::BUTTON2_PRESS
 878                 video_view(entry)
 879             end
 880         }
 881         entry.button.signal_connect('focus-in-event') { entry.button.clicked; autoscroll_if_needed(entry.button) }
 882         entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
 883         if grab_focus
 884             entry.button.grab_focus
 885         end
 886     })
 887 end
 888
 889 def show_entries
 890     $images_loader = Thread.new {
 891         t1 = Time.now
 892         sb_msg(_("Loading images..."))
 893         tooltips = Gtk::Tooltips.new
 894         counter = 0
 895         toremove = []
 896         grab_focus = true
 897         i = 0
 898         total_size = 0
 899         while i < $allentries.size
 900             entry = $allentries[i]
 901             if entry.pixbuf_full
 902                 total_size += file_size(entry.path)
 903                 entry.pixbuf_thumbnail
 904                 real_show_entry(entry, tooltips, grab_focus)
 905                 grab_focus = false
 906                 if i % 4 == 0
 907                     check_memory_free_cache_if_needed
 908                 end
 909                 counter += 1
 910                 i = i + 1
 911
 912             else
 913                 $allentries.delete_at(i)
 914             end
 915         end
 916         check_memory_free_cache_if_needed
 917         sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ counter, commify(total_size / 1024), Time.now - t1 ])
 918     }
 919     $images_loader.priority = -1
 920 end
 921
 922 def reset_all
 923     $images_loader and $images_loader.kill
 924     reset_labels
 925     reset_thumbnails
 926     $mainview.set_shown_entry(nil)
 927     sb_msg(nil)
 928 end
 929
 930 def open_dir(path)
 931     #- remove visual stuff, so that user will see something is happening
 932     reset_all
 933     sb_msg(_("Scanning source directory..."))
 934
 935     path = File.expand_path(path.sub(%r|/$|, ''))
 936     examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
 937     #- validate first
 938     examined_dirs.each { |dir|
 939         if dir =~ /'/
 940             return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
 941         end
 942         Dir.entries(dir).each { |file|
 943             if file =~ /['"\[\]]/
 944                 return utf8(_("Files can't contain any of the characters ', \", [ or ], sorry: %s") % "#{dir}/#{file}")
 945             end
 946         }
 947     }
 948
 949     #- scan for populate second
 950     examined_dirs.each { |dir|
 951         if File.basename(dir) =~ /^\./
 952             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
 953             next
 954         end
 955         Dir.entries(dir).each { |file|
 956             type = entry2type(file)
 957            if type
 958 #&& $allentries.size < 120
 959                 $allentries << Entry.new(File.join(dir, file), type)
 960             end
 961         }
 962     }
 963     $workingdir = path
 964     show_entries
 965     $execute.sensitive = true
 966     $hide_todel.sensitive = true
 967     return nil
 968 end
 969
 970 def open_dir_popup
 971     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
 972                                     nil,
 973                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
 974                                     nil,
 975                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 976     fc.transient_for = $main_window
 977     if $workingdir
 978         fc.current_folder = $workingdir
 979     end
 980     ok = false
 981     while !ok
 982         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
 983             msg = open_dir(fc.filename)
 984             if msg
 985                 show_popup(fc, msg)
 986                 ok = false
 987             else
 988                 ok = true
 989             end
 990         else
 991             ok = true
 992         end
 993     end
 994     fc.destroy
 995 end
 996
 997 def gtk_thread_protect(proc, *params)
 998     if Thread.current == Thread.main
 999         proc.call(*params)
1000     else
1001         $protect_gtk_pending_calls.synchronize {
1002             $gtk_pending_calls << [ proc, params ]
1003         }
1004     end
1005 end
1006
1007 def gtk_thread_flush
1008     $protect_gtk_pending_calls.synchronize {
1009         if $gtk_pending_calls.size > 0
1010             elem = $gtk_pending_calls.shift
1011             elem[0].call(*elem[1])
1012         end
1013     }
1014 end
1015
1016 def try_quit(*options)
1017     Gtk.main_quit
1018 end
1019
1020 def execute
1021     dialog = Gtk::Dialog.new
1022     dialog.title = utf8(_("Booh message"))
1023
1024     vb1 = Gtk::VBox.new(false, 5)
1025     label = Gtk::Label.new.set_markup(utf8(_("You're about to <b>execute</b> actions on the marked images.\nPlease confirm below the actions. This operation is not undoable!")))
1026     vb1.pack_start(label, false, false)
1027
1028     table = Gtk::Table.new(0, 0, false)
1029     table.set_row_spacings(5)
1030     table.set_column_spacings(5)
1031     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)
1032     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)
1033     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)
1034     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)
1035     add_row = proc { |row, name, color, truthproc, normal|
1036         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)),
1037                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1038         counter = 0
1039         examples = Gtk::HBox.new(false, 5)
1040         $allentries.each { |entry|
1041             if truthproc.call(entry)
1042                 counter += 1
1043                 if counter < 4
1044                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1045                     if entry.type == 'video'
1046                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1047                                                   pack_start(thumbnail).
1048                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1049                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1050                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1051                     end
1052                     examples.pack_start(thumbnail, false, false)
1053                 elsif counter == 4
1054                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1055                 end
1056             end
1057         }
1058         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1059         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1060
1061         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1062         iter = combostore.append
1063         if normal
1064             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1065             iter[1] = utf8(_("Move to:"))
1066         else
1067             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1068             iter[1] = utf8(_("Permanently remove"))
1069         end
1070         iter = combostore.append
1071         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1072         iter[1] = utf8(_("Do nothing"))
1073         combo = Gtk::ComboBox.new(combostore)
1074         combo.active = 0
1075         renderer = Gtk::CellRendererPixbuf.new
1076         combo.pack_start(renderer, false)
1077         combo.set_attributes(renderer, :pixbuf => 0)
1078         renderer = Gtk::CellRendererText.new
1079         combo.pack_start(renderer, true)
1080         combo.set_attributes(renderer, :text => 1)
1081
1082         if normal
1083             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1084             lastpath = $workingdir
1085             pathbutton.signal_connect('clicked') {
1086                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1087                                                 nil,
1088                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1089                                                 nil,
1090                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1091                 fc.transient_for = dialog
1092                 fc.current_folder = lastpath
1093                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1094                     pathlabel.text = fc.filename
1095                 end
1096                 lastpath = fc.filename
1097                 fc.destroy
1098             }
1099             combo.signal_connect('changed') {
1100                 pathbutton.sensitive = combo.active == 0
1101             }
1102             vb = Gtk::VBox.new(false, 5)
1103             vb.pack_start(combo, false, false)
1104             vb.pack_start(pathbutton, false, false)
1105             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1106             { :combo => combo, :pathlabel => pathlabel }
1107         else
1108             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1109             { :combo => combo }
1110         end
1111     }
1112     stuff = {}
1113     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), Gdk::Color.new(65535, 0, 0), proc { |entry| entry.removed }, false)
1114     $labels.values.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1115     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1116
1117     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1118     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1119     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 ]))
1120     if toremove_amount > 0
1121         vb1.pack_start(check_removal, false, false)
1122         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1123             check_removal.sensitive = widget.active == 0
1124         }
1125     end
1126
1127     dialog.vbox.add(vb1)
1128
1129     dialog.set_default_size(800, 600)
1130     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1131     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1132     dialog.window_position = Gtk::Window::POS_MOUSE
1133     dialog.transient_for = $main_window
1134
1135     dialog.show_all
1136
1137     while true
1138         dialog.run { |response|
1139             if response == Gtk::Dialog::RESPONSE_OK
1140                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1141                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1142                     break
1143                 end
1144                 problem = false
1145                 label2entries = {}
1146                 $labels.values.each { |label| label2entries[label] = [] }
1147                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1148                 stuff.keys.each { |key|
1149                     if key.is_a?(Label) && stuff[key][:combo].active == 0
1150                         destination = stuff[key][:pathlabel].text
1151                         if destination[0] != ?/
1152                             show_popup(dialog, utf8(_("You have not selected a directory where to move %s.") % key.name))
1153                             problem = true
1154                             break
1155                         end
1156                         begin
1157                             Dir.mkdir(destination)
1158                         rescue Errno::EEXIST
1159                         end
1160                         begin
1161                             st = File.stat(destination)
1162                         rescue
1163                             show_popup(dialog, utf8(_("Directory %s, where to move %s, is not valid or not createable.") % [destination, key.name]))
1164                             problem = true
1165                             break
1166                         end
1167                         if ! st.directory? || ! st.writable?
1168                             show_popup(dialog, utf8(_("Directory %s, where to move %s, is not valid or not writable.") % [destination, key.name]))
1169                             problem = true
1170                             break
1171                         end
1172                         label2entries[key].each { |entry|
1173                             begin
1174                                 File.stat(File.join(destination, File.basename(entry.path)))
1175                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in directory '%s'.") % [ File.basename(entry.path), destination ]))
1176                                 problem = true
1177                                 break
1178                             rescue
1179                             end
1180                         }
1181                         if problem
1182                             break
1183                         end
1184                     end
1185                 }
1186                 if ! problem
1187                     begin
1188                         moved = 0
1189                         stuff.keys.each { |key|
1190                             if key.is_a?(Label) && stuff[key][:combo].active == 0
1191                                 destination = stuff[key][:pathlabel].text
1192                                 label2entries[key].each { |entry|
1193                                     File.rename(entry.path, File.join(destination, File.basename(entry.path)))
1194                                     moved += 1
1195                                 }
1196                             end
1197                         }
1198                         removed = 0
1199                         if stuff['toremove'][:combo].active == 0
1200                             $allentries.each { |entry|
1201                                 if entry.removed
1202                                     File.delete(entry.path)
1203                                     removed += 1
1204                                 end
1205                             }
1206                         end
1207                     rescue
1208                         msg 1, "woops: #{$!}"
1209                         show_popup(dialog, utf8(_("Unexpected system call error: '%s'.") % $!))
1210                     end
1211                     show_popup(dialog, utf8(_("Successfully moved %d files and removed %d files.") % [ moved, removed ]))
1212                     dialog.destroy
1213                     reset_all
1214                     return
1215                 end
1216
1217             else
1218                 dialog.destroy
1219                 return
1220             end
1221         }
1222     end
1223 end
1224
1225 def hide_todel
1226     active = $hide_todel.active?
1227     $allentries.each { |entry|
1228         if entry.removed
1229             if active
1230                 entry.button.hide
1231             else
1232                 entry.button.show
1233             end
1234         end
1235     }
1236 end
1237
1238 def preferences
1239     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1240                              $main_window,
1241                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1242                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1243                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1244
1245     tooltips = Gtk::Tooltips.new
1246
1247     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1248     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1249                0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1250     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1251                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1252     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1253
1254     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1255                0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1256     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1257                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1258     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1259
1260     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1261                0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1262     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(preload_distance = Gtk::SpinButton.new(0, 50, 1).set_value($config['preload-distance'].to_i)),
1263                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1264     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1265
1266     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1267                0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1268     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1269                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1270     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1271                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1272                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1273     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1274     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1275     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1276                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1277                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1278     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1279     cache_memfree_radio.signal_connect('toggled') {
1280         if cache_memfree_radio.active?
1281             cache_memfree_label.sensitive = true
1282             cache_specify_label.sensitive = false
1283         else
1284             cache_specify_label.sensitive = true
1285             cache_memfree_label.sensitive = false
1286         end
1287     }
1288     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1289     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1290         cache_memfree_spin.value = $1.to_i
1291     else
1292         cache_specify_spin.value = $config['cache-memory-use'].to_i
1293     end
1294
1295 #    tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1296 #               0, 2, 4, 5, Gtk::FILL, Gtk::SHRINK, 2, 2)
1297 #    tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1298 #    update_exif_orientation_check.active = $config['rotate-set-exif']
1299
1300     dialog.vbox.show_all
1301     dialog.run { |response|
1302         if response == Gtk::Dialog::RESPONSE_OK
1303             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1304             $config['browser'] = from_utf8(browser_entry.text)
1305             $config['preload-distance'] = preload_distance.value
1306 #            $config['rotate-set-exif'] = update_exif_orientation_check.active?
1307             if cache_memfree_radio.active?
1308                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1309             else
1310                 $config['cache-memory-use'] = cache_specify_spin.value
1311             end
1312             set_cache_memory_use_figure
1313         end
1314     }
1315     dialog.destroy
1316 end
1317
1318 def perform_undo
1319     if $undo_mb.sensitive?
1320         $redo_mb.sensitive = true
1321         if not more_undoes = UndoHandler.undo($statusbar)
1322             $undo_mb.sensitive = false
1323         end
1324     end
1325 end
1326
1327 def perform_redo
1328     if $redo_mb.sensitive?
1329         $undo_mb.sensitive = true
1330         if not more_redoes = UndoHandler.redo($statusbar)
1331             $redo_mb.sensitive = false
1332         end
1333     end
1334 end
1335
1336 def create_menubar
1337     #- menu
1338     mb = Gtk::MenuBar.new
1339
1340     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1341     filesubmenu = Gtk::Menu.new
1342     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1343     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1344     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1345     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1346     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1347     filemenu.set_submenu(filesubmenu)
1348     mb.append(filemenu)
1349
1350     open.signal_connect('activate') { open_dir_popup }
1351     $execute.signal_connect('activate') { execute }
1352     quit.signal_connect('activate') { try_quit }
1353
1354     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1355     editsubmenu = Gtk::Menu.new
1356     editsubmenu.append($undo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1357     editsubmenu.append($redo_mb    = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1358     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1359     editsubmenu.append($hide_todel = Gtk::CheckMenuItem.new(utf8(_("Hide images/videos marked for deletion"))).set_sensitive(false))
1360     editsubmenu.append(              Gtk::SeparatorMenuItem.new)
1361     editsubmenu.append(prefs       = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1362     editmenu.set_submenu(editsubmenu)
1363     mb.append(editmenu)
1364
1365     $undo_mb.signal_connect('activate') { perform_undo }
1366     $redo_mb.signal_connect('activate') { perform_redo }
1367     $hide_todel.signal_connect('activate') { hide_todel }
1368     prefs.signal_connect('activate') { preferences }
1369
1370     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1371     helpsubmenu = Gtk::Menu.new
1372     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1373     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1374     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1375     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1376     helpmenu.set_submenu(helpsubmenu)
1377     mb.append(helpmenu)
1378
1379     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial.html') }
1380     about.signal_connect('activate') { call_about }
1381
1382
1383     #- no toolbar, to save height
1384
1385     return mb
1386 end
1387
1388 def reset_labels
1389     for child in $labels_vbox.children
1390         $labels_vbox.remove(child)
1391     end
1392     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1393     $labels = {}
1394 end
1395
1396 def reset_thumbnails
1397     $allentries = []
1398     for child in $imagesline.children
1399         $imagesline.remove(child)
1400     end
1401 end
1402
1403 def create_main_window
1404
1405     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1406     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1407
1408     mb = create_menubar
1409
1410     main_vbox = Gtk::VBox.new(false, 0)
1411     main_vbox.pack_start(mb, false, false)
1412     mainview_hbox = Gtk::HBox.new
1413     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 0, 0).add($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1414     reset_labels
1415     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1416     main_vbox.pack_start(mainview_hbox, true, true)
1417     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1418     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1419     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1420     main_vbox.pack_start($imagesline_sw, false, false)
1421     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1422
1423     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + 15)
1424
1425     $main_window = Gtk::Window.new
1426     $main_window.add(main_vbox)
1427     $main_window.signal_connect('delete-event') {
1428         try_quit({ :disallow_cancel => true })
1429     }
1430
1431     #- read/save size and position of window
1432     if $config['pos-x'] && $config['pos-y']
1433         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1434     else
1435         $main_window.window_position = Gtk::Window::POS_CENTER
1436     end
1437     msg 3, "size: #{$config['width']}x#{$config['height']}"
1438     $main_window.set_default_size(($config['width'] || 700).to_i, ($config['height'] || 600).to_i)
1439     $main_window.signal_connect('configure-event') {
1440         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1441         x, y = $main_window.window.root_origin
1442         width, height = $main_window.window.size
1443         $config['pos-x'] = x
1444         $config['pos-y'] = y
1445         $config['width'] = width
1446         $config['height'] = height
1447         false
1448     }
1449
1450     $protect_gtk_pending_calls = Mutex.new
1451     $gtk_pending_calls = []
1452     Gtk.timeout_add(50) {
1453         gtk_thread_flush
1454         true
1455     }
1456
1457     $main_window.show_all
1458 end
1459
1460
1461 handle_options
1462 Thread.abort_on_exception = true
1463 read_config
1464 Gtk.init
1465
1466
1467 create_main_window
1468 check_config
1469
1470 if ARGV[0]
1471     open_dir(ARGV[0])
1472 end
1473 Gtk.main
1474
1475 write_config