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_50%'
 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 $colors = [ Gdk::Color.new(0, 65535, 0),
 214             Gdk::Color.new(0, 0, 65535),
 215             Gdk::Color.new(65535, 65535, 0),
 216             Gdk::Color.new(0, 65535, 65535),
 217             Gdk::Color.new(65535, 0, 65535) ]
 218
 219 class Label
 220     attr_accessor :color, :name
 221     def initialize(name)
 222         @name = name
 223     end
 224 end
 225
 226 class Entry
 227     @@thumbnails_height = 64
 228     @@max_height = nil
 229     def Entry.thumbnails_height
 230         return @@thumbnails_height
 231     end
 232
 233     attr_accessor :path, :type, :angle, :button, :image, :removed, :labeled
 234
 235     def initialize(path, type)
 236         @path = path
 237         @type = type
 238         if @@max_height.nil?
 239             @@max_height = $main_window.root_window.size[1]
 240         end
 241         @protect_cleanup = Mutex.new
 242     end
 243
 244     def pixbuf_full
 245         @protect_cleanup.synchronize {
 246             if @pixbuf_full.nil?
 247                 msg 3, ">>> pixbuf_full #{path}"
 248                 load_into_pixbuf_full
 249             end
 250             return @pixbuf_full
 251         }
 252     end
 253     def free_pixbuf_full
 254         @protect_cleanup.synchronize {
 255             if @pixbuf_full.nil?
 256                 return false
 257             else
 258                 msg 3, ">>> free_pixbuf_full #{path}"
 259                 @pixbuf_full = nil
 260                 return true
 261             end
 262         }
 263     end
 264     def pixbuf_main(width, height)
 265         @protect_cleanup.synchronize {
 266             if @pixbuf_main.nil? || width != @width || height != @height
 267                 msg 3, ">>> pixbuf_main #{path}"
 268                 @width = width
 269                 @height = height
 270                 load_into_pixbuf_full  #- make sure it is loaded
 271                 if @pixbuf_full.width.to_f / @pixbuf_full.height > width.to_f / height
 272                     resized_height = @pixbuf_full.height * (width.to_f/@pixbuf_full.width)
 273                     if @pixbuf_full.width > width || @pixbuf_full.height > resized_height
 274                         @pixbuf_main = @pixbuf_full.scale(width, resized_height, Gdk::Pixbuf::INTERP_BILINEAR)
 275                     else
 276                         @pixbuf_main = @pixbuf_full
 277                     end
 278                 else
 279                     resized_width = @pixbuf_full.width * (height.to_f/@pixbuf_full.height)
 280                     if @pixbuf_full.width > resized_width || @pixbuf_full.height > height
 281                         @pixbuf_main = @pixbuf_full.scale(resized_width, height, Gdk::Pixbuf::INTERP_BILINEAR)
 282                     else
 283                         @pixbuf_main = @pixbuf_full
 284                     end
 285                 end
 286             end
 287             return @pixbuf_main
 288         }
 289     end
 290     def free_pixbuf_main
 291         @protect_cleanup.synchronize {
 292             if @pixbuf_main.nil?
 293                 return false
 294             else
 295                 msg 3, ">>> free_pixbuf_main #{path}"
 296                 @pixbuf_main = nil
 297                 return true
 298             end
 299         }
 300     end
 301     def pixbuf_thumbnail
 302         return @protect_cleanup.synchronize {
 303             if @pixbuf_thumbnail.nil?
 304                 msg 3, ">>> pixbuf_thumbnail #{path}"
 305                 load_into_pixbuf_full  #- make sure it is loaded
 306                 @pixbuf_thumbnail = @pixbuf_full.scale(@pixbuf_full.width * (@@thumbnails_height.to_f/@pixbuf_full.height), @@thumbnails_height, Gdk::Pixbuf::INTERP_BILINEAR)
 307             end
 308             return @pixbuf_thumbnail
 309         }
 310     end
 311     def free_pixbuf_thumbnail
 312         @protect_cleanup.synchronize {
 313             if @pixbuf_thumbnail.nil?
 314                 return false
 315             else
 316                 msg 3, ">>> free_pixbuf_thumbnail #{path}"
 317                 @pixbuf_thumbnail = nil
 318                 return true
 319             end
 320         }
 321     end
 322
 323     def show_bg
 324         if removed
 325             red = Gdk::Color.new(65535, 0, 0)
 326             button.modify_bg(Gtk::StateType::NORMAL, red)
 327             button.modify_bg(Gtk::StateType::PRELIGHT, red.lighter)
 328             button.modify_bg(Gtk::StateType::ACTIVE, red)
 329         elsif labeled
 330             button.modify_bg(Gtk::StateType::NORMAL, labeled.color)
 331             button.modify_bg(Gtk::StateType::PRELIGHT, labeled.color.lighter)
 332             button.modify_bg(Gtk::StateType::ACTIVE, labeled.color)
 333         else
 334             button.modify_bg(Gtk::StateType::NORMAL, nil)
 335             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
 336             button.modify_bg(Gtk::StateType::ACTIVE, nil)
 337         end
 338     end
 339
 340     private
 341     def cleanup_dir(dir)
 342         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
 343         Dir.delete(dir)
 344     end
 345
 346     def load_into_pixbuf_full
 347         if @pixbuf_full.nil?
 348             msg 3, ">>> load_into_pixbuf_full #{path}"
 349             if type == 'video'
 350                 tmp = Tempfile.new("boohclassifiertemp")
 351                 tmp.close!
 352                 Dir.mkdir(dest_dir = tmp.path)
 353                 orig_base = File.basename(path)
 354                 if ! gen_video_thumbnail(path, dest_dir, orig_base, false, 0)
 355                     cleanup_dir(dest_dir)
 356                     return
 357                 end
 358                 image_path = "#{dest_dir}/#{orig_base}.jpg000000.jpg"
 359             else
 360                 image_path = @path
 361             end
 362             begin
 363                 @pixbuf_full = Gdk::Pixbuf.new(image_path)
 364             rescue Gdk::PixbufError
 365                 msg 0, "Cannot load #{image_path}: #{$!}"
 366                 return
 367             end
 368             if @pixbuf_full
 369                 if @angle.nil?
 370                     if type == 'image'
 371                         @angle = guess_rotate(image_path)
 372                     else
 373                         @angle = 0
 374                     end
 375                 end
 376                 if @angle != 0
 377                     msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
 378                     @pixbuf_full = rotate_pixbuf(@pixbuf_full, @angle)
 379                 end
 380                 if @pixbuf_full.height > @@max_height
 381                     #- save a lot of memory, don't store in actual full size
 382                     @pixbuf_full = @pixbuf_full.scale(@pixbuf_full.width * (@@max_height.to_f/@pixbuf_full.height), @@max_height, Gdk::Pixbuf::INTERP_BILINEAR)
 383                 end
 384             end
 385             if type == 'video'
 386                 cleanup_dir(dest_dir)
 387             end
 388         end
 389     end
 390
 391     def to_s
 392         @path
 393     end
 394 end
 395
 396 class MainView < Gtk::DrawingArea
 397
 398     def initialize
 399         super()
 400         signal_connect('expose-event') { draw }
 401         signal_connect('configure-event') { update_shown; GC.start }
 402         signal_connect('realize') {
 403             @preloader = Thread.new {
 404                 #- background preloading
 405                 while true
 406                     msg 3, "background main preloading triggered..."
 407                     if ! @entry.nil?
 408                         index = $allentries.index(@entry)
 409                         w, h = window.size
 410                         w -= $videoborder_pixbuf.width * 2
 411                         for j in 1 .. $config['preload-distance'].to_i
 412                             i = index + j
 413                             if i < $allentries.size
 414                                 $allentries[i].pixbuf_main(w, h)
 415                             end
 416                             i = index - j
 417                             if i >= 0
 418                                 $allentries[i].pixbuf_main(w, h)
 419                             end
 420                             GC.start
 421                             mem = get_mem
 422                             if mem > $config['cache-memory-use-figure']
 423                                 msg 3, "too much RSS, stopping main preloading"
 424                                 break
 425                             end
 426                         end
 427                         check_memory_free_cache_if_needed
 428                     end
 429                     Thread.stop
 430                 end
 431             }
 432             @preloader.priority = -2
 433         }
 434     end
 435
 436     def set_shown_entry(entry)
 437         if ! entry.nil? && entry == @entry
 438             return
 439         end
 440         @entry = entry
 441         if ! entry.nil?
 442             if ! @entry.button
 443                 #- not loaded yet
 444                 return
 445             else
 446                 @entry.button.grab_focus
 447             end
 448         end
 449         redraw
 450         @preloader.run
 451     end
 452
 453     def get_shown_entry
 454         return @entry
 455     end
 456
 457     def show_next_entry(entry)
 458         index = $allentries.index(entry) + 1
 459         if index < $allentries.size
 460             set_shown_entry($allentries[index])
 461         end
 462     end
 463
 464     def redraw
 465         update_shown
 466         w, h = window.size
 467         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
 468         window.clear
 469         draw
 470         window.end_paint
 471     end
 472
 473     def update_shown
 474         if @entry
 475             width, height = window.size
 476             usable_width = width - $videoborder_pixbuf.width * 2
 477             @pixbuf = @entry.pixbuf_main(usable_width, height)
 478             if @pixbuf.width == usable_width
 479                 @xpos = $videoborder_pixbuf.width
 480                 @ypos = (height-@pixbuf.height)/2
 481             else
 482                 @xpos = (width-@pixbuf.width)/2
 483                 @ypos = (height-@pixbuf.height)/2
 484             end
 485             @preloader.run
 486         else
 487             @pixbuf = nil
 488         end
 489     end
 490
 491     def draw
 492         if @pixbuf
 493             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
 494             if @entry && @entry.type == 'video'
 495                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
 496             end
 497         end
 498     end
 499 end
 500
 501 def check_memory_free_cache_if_needed
 502     GC.start
 503     mem = get_mem
 504     i = $allentries.index($mainview.get_shown_entry)
 505     msg 3, "mem: #{mem} index: #{i}"
 506     return if i.nil?
 507     ($allentries.size - 1).downto(1) { |j|
 508         if mem < $config['cache-memory-use-figure'] * 2 / 3
 509             break
 510         end
 511         index = i + j
 512         msg 3, "too much RSS, freeing full size of #{i+j} and #{i-j}..."
 513         freedsomething = false
 514         if i + j < $allentries.size
 515             freedsomething |= $allentries[i+j].free_pixbuf_full
 516         end
 517         if i - j > 0
 518             freedsomething |= $allentries[i-j].free_pixbuf_full
 519         end
 520         if freedsomething
 521             GC.start
 522             mem = get_mem
 523             msg 3, "\tmem now: #{mem}"
 524         end
 525     }
 526 end
 527
 528 def autoscroll_if_needed(button)
 529     xpos_left = button.allocation.x
 530     xpos_right = button.allocation.x + button.allocation.width
 531     hadj = $imagesline_sw.hadjustment
 532     current_minx_visible = hadj.value
 533     current_maxx_visible = hadj.value + hadj.page_size
 534     if xpos_left < current_minx_visible
 535         #- autoscroll left
 536         newval = hadj.value - (current_minx_visible - xpos_left)
 537         hadj.value = newval
 538         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 539     elsif xpos_right > current_maxx_visible
 540         #- autoscroll right
 541         newval = hadj.value + (xpos_right - current_maxx_visible)
 542         if newval > hadj.upper - hadj.page_size
 543             newval = hadj.upper - hadj.page_size
 544         end
 545         hadj.value = newval
 546         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 547     end
 548 end
 549
 550 def show_popup(parent, msg, *options)
 551     dialog = Gtk::Dialog.new
 552     if options[0]
 553         options = options[0]
 554     else
 555         options = {}
 556     end
 557     if options[:title]
 558         dialog.title = options[:title]
 559     else
 560         dialog.title = utf8(_("Booh message"))
 561     end
 562     lbl = Gtk::Label.new
 563     if options[:nomarkup]
 564         lbl.text = msg
 565     else
 566         lbl.markup = msg
 567     end
 568     if options[:centered]
 569         lbl.set_justify(Gtk::Justification::CENTER)
 570     end
 571     if options[:selectable]
 572         lbl.selectable = true
 573     end
 574     if options[:topwidget]
 575         dialog.vbox.add(options[0][:topwidget])
 576     end
 577     if options[:scrolled]
 578         sw = Gtk::ScrolledWindow.new(nil, nil)
 579         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
 580         sw.add_with_viewport(lbl)
 581         dialog.vbox.add(sw)
 582         dialog.set_default_size(500, 600)
 583     else
 584         dialog.vbox.add(lbl)
 585         dialog.set_default_size(200, 120)
 586     end
 587     if options[:bottomwidget]
 588         dialog.vbox.add(options[:bottomwidget])
 589     end
 590     if options[:okcancel]
 591         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
 592     end
 593     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
 594
 595     if options[:pos_centered]
 596         dialog.window_position = Gtk::Window::POS_CENTER
 597     else
 598         dialog.window_position = Gtk::Window::POS_MOUSE
 599     end
 600
 601     if options[:linkurl]
 602         linkbut = Gtk::Button.new('')
 603         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
 604         linkbut.signal_connect('clicked') {
 605             open_url(options[0][:linkurl] + '/index.html')
 606             dialog.response(Gtk::Dialog::RESPONSE_OK)
 607             set_mousecursor_normal
 608         }
 609         linkbut.relief = Gtk::RELIEF_NONE
 610         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
 611         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
 612         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
 613     end
 614
 615     dialog.show_all
 616
 617     if options[:stuff_connector]
 618         options[:stuff_connector].call({ :dialog => dialog })
 619     end
 620
 621     if !options[:not_transient]
 622         dialog.transient_for = parent
 623         dialog.run { |response|
 624             if options[:data_getter]
 625                 options[:data_getter].call
 626             end
 627             dialog.destroy
 628             if options[:okcancel]
 629                 return response == Gtk::Dialog::RESPONSE_OK
 630             end
 631         }
 632     else
 633         dialog.signal_connect('response') { dialog.destroy }
 634     end
 635 end
 636
 637 def thumbnail_keypressed(entry, event)
 638     if event.state & Gdk::Window::MOD1_MASK != 0
 639         #- ALT pressed: Alt-Left and Alft-Right rotate
 640         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
 641             if event.keyval == Gdk::Keyval::GDK_Left
 642                 entry.angle = (entry.angle - 90) % 360
 643             else
 644                 entry.angle = (entry.angle + 90) % 360
 645             end
 646             entry.free_pixbuf_full
 647             entry.free_pixbuf_main
 648             entry.free_pixbuf_thumbnail
 649             $mainview.redraw
 650             entry.image.pixbuf = entry.pixbuf_thumbnail
 651         end
 652
 653     elsif event.state & Gdk::Window::CONTROL_MASK != 0
 654         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo
 655         if event.keyval == Gdk::Keyval::GDK_z
 656             perform_undo
 657         end
 658         if event.keyval == Gdk::Keyval::GDK_r
 659             perform_redo
 660         end
 661
 662     else
 663         removed_before = entry.removed
 664         label_before = entry.labeled
 665
 666         if event.keyval == Gdk::Keyval::GDK_Delete
 667             entry.removed = true
 668             entry.labeled = nil
 669             entry.show_bg
 670             $mainview.show_next_entry(entry)
 671
 672             save_undo(_("set for removal"),
 673                       proc {
 674                           entry.removed = removed_before
 675                           entry.labeled = label_before
 676                           entry.show_bg
 677                           $mainview.set_shown_entry(entry)
 678                           proc {
 679                               entry.removed = true
 680                               entry.labeled = nil
 681                               entry.show_bg
 682                               $mainview.set_shown_entry(entry)
 683                           }
 684                       })
 685
 686         elsif event.keyval == Gdk::Keyval::GDK_space
 687             entry.removed = false
 688             entry.labeled = nil
 689             entry.show_bg
 690             $mainview.show_next_entry(entry)
 691
 692             save_undo(_("remove label"),
 693                       proc {
 694                           entry.removed = removed_before
 695                           entry.labeled = label_before
 696                           entry.show_bg
 697                           $mainview.set_shown_entry(entry)
 698                           proc {
 699                               entry.removed = false
 700                               entry.labeled = nil
 701                               entry.show_bg
 702                               $mainview.set_shown_entry(entry)
 703                           }
 704                       })
 705
 706         elsif event.keyval == Gdk::Keyval::GDK_Return && entry.type == 'video'
 707             cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
 708             msg 2, cmd
 709             system(cmd)
 710
 711         else
 712             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
 713             if char =~ /^[a-zA-z0-9]$/
 714                 label = $labels[char]
 715
 716                 if label.nil?
 717                     vb = Gtk::VBox.new(false, 0)
 718                     vb.pack_start(entry = Gtk::Entry.new.set_text(char), false, false)
 719                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::Button.new(utf8(_("  Change color  ")))))
 720                     text = nil
 721                     color = nil
 722                     bt.signal_connect('clicked') {
 723                         color = $colors.shift
 724                         if color.nil?
 725                             color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
 726                         end
 727                         bt.modify_bg(Gtk::StateType::NORMAL, color)
 728                         bt.modify_bg(Gtk::StateType::PRELIGHT, color)
 729                         bt.modify_bg(Gtk::StateType::ACTIVE, color.darker)
 730                     }
 731                     bt.clicked
 732                     entry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
 733                         while $labels.has_key?(entry.text[0,1])
 734                             entry.text = entry.text.sub(/./, '')
 735                         end
 736                     }
 737                     if show_popup($main_window,
 738                                   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,
 739                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = entry.text },
 740                                     :stuff_connector => proc { |stuff| entry.select_region(0, 0)
 741                                                                        entry.position = -1
 742                                                                        entry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
 743                         if text.length > 0
 744                             char = text[0,1]  #- in case it changed
 745                             label = Label.new(text)
 746                             label.color = color
 747                             $labels[char] = label
 748                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
 749                             $labels_vbox.pack_start(evt = Gtk::EventBox.new.add(lbl).modify_bg(Gtk::StateType::NORMAL, label.color).show_all)
 750                         end
 751                     end
 752
 753                 else
 754                     entry.removed = false
 755                     entry.labeled = label
 756                     entry.show_bg
 757                     $mainview.show_next_entry(entry)
 758
 759                     save_undo(_("set label"),
 760                               proc {
 761                                   entry.removed = removed_before
 762                                   entry.labeled = label_before
 763                                   entry.show_bg
 764                                   $mainview.set_shown_entry(entry)
 765                                   proc {
 766                                       entry.removed = false
 767                                       entry.labeled = label
 768                                       entry.show_bg
 769                                       $mainview.set_shown_entry(entry)
 770                                   }
 771                               })
 772                 end
 773             end
 774         end
 775     end
 776 end
 777
 778 def sb_msg(msg)
 779     $statusbar.pop(0)
 780     if msg
 781         $statusbar.push(0, utf8(msg))
 782     end
 783 end
 784
 785 def real_show_entry(entry, tooltips, grab_focus)
 786     #- for scoping the actual reference to 'entry'
 787     gtk_thread_protect(proc {
 788         msg 3, "using entry #{entry}"
 789         entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
 790         if entry.type == 'video'
 791             entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
 792                                                              pack_start(entry.image).
 793                                                              pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
 794             da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
 795             da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
 796         else
 797             entry.button = Gtk::Button.new.set_image(entry.image)
 798         end
 799         tooltips.set_tip(entry.button, File.basename(entry.path).gsub(/\.[^.]+$/, ''), nil)
 800         $imagesline.pack_start(entry.button.show_all, false, false)
 801         entry.button.signal_connect('clicked') { $mainview.set_shown_entry(entry) }
 802         entry.button.signal_connect('focus-in-event') { entry.button.clicked; autoscroll_if_needed(entry.button) }
 803         entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
 804         if grab_focus
 805             entry.button.grab_focus
 806         end
 807     })
 808 end
 809
 810 def show_entries
 811     e = Thread.new {
 812         t1 = Time.now
 813         sb_msg(_("Loading images..."))
 814         tooltips = Gtk::Tooltips.new
 815         counter = 0
 816         toremove = []
 817         grab_focus = true
 818         i = 0
 819         total_size = 0
 820         while i < $allentries.size
 821             entry = $allentries[i]
 822             if entry.pixbuf_full
 823                 total_size += file_size(entry.path)
 824                 entry.pixbuf_thumbnail
 825                 real_show_entry(entry, tooltips, grab_focus)
 826                 grab_focus = false
 827                 if i % 4 == 0
 828                     check_memory_free_cache_if_needed
 829                 end
 830                 counter += 1
 831                 i = i + 1
 832
 833             else
 834                 $allentries.delete_at(i)
 835             end
 836         end
 837         check_memory_free_cache_if_needed
 838         sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ counter, commify(total_size / 1024), Time.now - t1 ])
 839     }
 840     e.priority = -1
 841 end
 842
 843 def reset_all
 844     reset_labels
 845     reset_thumbnails
 846     $mainview.set_shown_entry(nil)
 847     sb_msg(nil)
 848 end
 849
 850 def open_dir(path)
 851     #- remove visual stuff, so that user will see something is happening
 852     reset_all
 853     sb_msg(_("Scanning source directory..."))
 854
 855     path = File.expand_path(path.sub(%r|/$|, ''))
 856     examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
 857     #- validate first
 858     examined_dirs.each { |dir|
 859         if dir =~ /'/
 860             return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
 861         end
 862         Dir.entries(dir).each { |file|
 863             if file =~ /['"\[\]]/
 864                 return utf8(_("Files can't contain any of the characters ', \", [ or ], sorry: %s") % "#{dir}/#{file}")
 865             end
 866         }
 867     }
 868
 869     #- scan for populate second
 870     examined_dirs.each { |dir|
 871         if File.basename(dir) =~ /^\./
 872             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
 873             next
 874         end
 875         Dir.entries(dir).each { |file|
 876             type = entry2type(file)
 877            if type
 878 #&& $allentries.size < 120
 879                 $allentries << Entry.new(File.join(dir, file), type)
 880             end
 881         }
 882     }
 883     $workingdir = path
 884     show_entries
 885     $execute.sensitive = true
 886     return nil
 887 end
 888
 889 def open_dir_popup
 890     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
 891                                     nil,
 892                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
 893                                     nil,
 894                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 895     fc.transient_for = $main_window
 896     if $workingdir
 897         fc.current_folder = $workingdir
 898     end
 899     ok = false
 900     while !ok
 901         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
 902             msg = open_dir(fc.filename)
 903             if msg
 904                 show_popup(fc, msg)
 905                 ok = false
 906             else
 907                 ok = true
 908             end
 909         else
 910             ok = true
 911         end
 912     end
 913     fc.destroy
 914 end
 915
 916 def gtk_thread_protect(proc, *params)
 917     if Thread.current == Thread.main
 918         proc.call(*params)
 919     else
 920         $protect_gtk_pending_calls.synchronize {
 921             $gtk_pending_calls << [ proc, params ]
 922         }
 923     end
 924 end
 925
 926 def gtk_thread_flush
 927     $protect_gtk_pending_calls.synchronize {
 928         if $gtk_pending_calls.size > 0
 929             elem = $gtk_pending_calls.shift
 930             elem[0].call(*elem[1])
 931         end
 932     }
 933 end
 934
 935 def try_quit(*options)
 936     Gtk.main_quit
 937 end
 938
 939 def execute
 940     dialog = Gtk::Dialog.new
 941     dialog.title = utf8(_("Booh message"))
 942
 943     vb1 = Gtk::VBox.new(false, 5)
 944     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!")))
 945     vb1.pack_start(label, false, false)
 946
 947     table = Gtk::Table.new(0, 0, false)
 948     table.set_row_spacings(5)
 949     table.set_column_spacings(5)
 950     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)
 951     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)
 952     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)
 953     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)
 954     add_row = proc { |row, name, color, truthproc, normal|
 955         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)),
 956                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
 957         counter = 0
 958         examples = Gtk::HBox.new(false, 5)
 959         $allentries.each { |entry|
 960             if truthproc.call(entry)
 961                 counter += 1
 962                 if counter < 4
 963                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
 964                     if entry.type == 'video'
 965                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
 966                                                   pack_start(thumbnail).
 967                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
 968                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
 969                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
 970                     end
 971                     examples.pack_start(thumbnail, false, false)
 972                 elsif counter == 4
 973                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
 974                 end
 975             end
 976         }
 977         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
 978         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
 979
 980         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
 981         iter = combostore.append
 982         if normal
 983             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
 984             iter[1] = utf8(_("Move to:"))
 985         else
 986             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
 987             iter[1] = utf8(_("Permanently remove"))
 988         end
 989         iter = combostore.append
 990         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
 991         iter[1] = utf8(_("Do nothing"))
 992         combo = Gtk::ComboBox.new(combostore)
 993         combo.active = 0
 994         renderer = Gtk::CellRendererPixbuf.new
 995         combo.pack_start(renderer, false)
 996         combo.set_attributes(renderer, :pixbuf => 0)
 997         renderer = Gtk::CellRendererText.new
 998         combo.pack_start(renderer, true)
 999         combo.set_attributes(renderer, :text => 1)
1000
1001         if normal
1002             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1003             lastpath = $workingdir
1004             pathbutton.signal_connect('clicked') {
1005                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1006                                                 nil,
1007                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1008                                                 nil,
1009                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1010                 fc.transient_for = dialog
1011                 fc.current_folder = lastpath
1012                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1013                     pathlabel.text = fc.filename
1014                 end
1015                 lastpath = fc.filename
1016                 fc.destroy
1017             }
1018             combo.signal_connect('changed') {
1019                 pathbutton.sensitive = combo.active == 0
1020             }
1021             vb = Gtk::VBox.new(false, 5)
1022             vb.pack_start(combo, false, false)
1023             vb.pack_start(pathbutton, false, false)
1024             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1025             { :combo => combo, :pathlabel => pathlabel }
1026         else
1027             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1028             { :combo => combo }
1029         end
1030     }
1031     stuff = {}
1032     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), Gdk::Color.new(65535, 0, 0), proc { |entry| entry.removed }, false)
1033     $labels.values.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1034     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1035
1036     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1037     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1038     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 ]))
1039     if toremove_amount > 0
1040         vb1.pack_start(check_removal, false, false)
1041         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1042             check_removal.sensitive = widget.active == 0
1043         }
1044     end
1045
1046     dialog.vbox.add(vb1)
1047
1048     dialog.set_default_size(800, 600)
1049     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1050     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1051     dialog.window_position = Gtk::Window::POS_MOUSE
1052     dialog.transient_for = $main_window
1053
1054     dialog.show_all
1055
1056     while true
1057         dialog.run { |response|
1058             if response == Gtk::Dialog::RESPONSE_OK
1059                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1060                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1061                     break
1062                 end
1063                 problem = false
1064                 label2entries = {}
1065                 $labels.values.each { |label| label2entries[label] = [] }
1066                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1067                 stuff.keys.each { |key|
1068                     if key.is_a?(Label) && stuff[key][:combo].active == 0
1069                         destination = stuff[key][:pathlabel].text
1070                         if destination[0] != ?/
1071                             show_popup(dialog, utf8(_("You have not selected a directory where to move %s.") % key.name))
1072                             problem = true
1073                             break
1074                         end
1075                         st = File.stat(destination)
1076                         if ! st.directory? || ! st.writable?
1077                             show_popup(dialog, utf8(_("Directory where to move %s is not valid or not writable.") % key.name))
1078                             problem = true
1079                             break
1080                         end
1081                         label2entries[key].each { |entry|
1082                             begin
1083                                 File.stat(File.join(destination, File.basename(entry.path)))
1084                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in '%s'.") % [ File.basename(entry.path), destination ]))
1085                                 problem = true
1086                                 break
1087                             rescue
1088                             end
1089                         }
1090                         if problem
1091                             break
1092                         end
1093                     end
1094                 }
1095                 if ! problem
1096                     begin
1097                         moved = 0
1098                         stuff.keys.each { |key|
1099                             if key.is_a?(Label) && stuff[key][:combo].active == 0
1100                                 destination = stuff[key][:pathlabel].text
1101                                 label2entries[key].each { |entry|
1102                                     File.rename(entry.path, File.join(destination, File.basename(entry.path)))
1103                                     moved += 1
1104                                 }
1105                             end
1106                         }
1107                         removed = 0
1108                         if stuff['toremove'][:combo].active == 0
1109                             $allentries.each { |entry|
1110                                 if entry.removed
1111                                     File.delete(entry.path)
1112                                     removed += 1
1113                                 end
1114                             }
1115                         end
1116                     rescue
1117                         msg 1, "woops: #{$!}"
1118                         show_popup(dialog, utf8(_("Unexpected system call error: '%s'.") % $!))
1119                     end
1120                     show_popup(dialog, utf8(_("Successfully moved %d files and removed %d files.") % [ moved, removed ]))
1121                     dialog.destroy
1122                     reset_all
1123                     return
1124                 end
1125
1126             else
1127                 dialog.destroy
1128                 return
1129             end
1130         }
1131     end
1132 end
1133
1134 def preferences
1135     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1136                              $main_window,
1137                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1138                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1139                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1140
1141     tooltips = Gtk::Tooltips.new
1142
1143     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1144     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1145                0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1146     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1147                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1148     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1149
1150     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1151                0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1152     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1153                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1154     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1155
1156     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1157                0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1158     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(preload_distance = Gtk::SpinButton.new(0, 50, 1).set_value($config['preload-distance'].to_i)),
1159                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1160     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1161
1162     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1163                0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1164     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1165                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1166     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1167                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1168                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1169     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1170     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1171     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1172                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1173                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1174     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1175     cache_memfree_radio.signal_connect('toggled') {
1176         if cache_memfree_radio.active?
1177             cache_memfree_label.sensitive = true
1178             cache_specify_label.sensitive = false
1179         else
1180             cache_specify_label.sensitive = true
1181             cache_memfree_label.sensitive = false
1182         end
1183     }
1184     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1185     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1186         cache_memfree_spin.value = $1.to_i
1187     else
1188         cache_specify_spin.value = $config['cache-memory-use'].to_i
1189     end
1190
1191     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1192                0, 2, 4, 5, Gtk::FILL, Gtk::SHRINK, 2, 2)
1193     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1194     update_exif_orientation_check.active = $config['rotate-set-exif']
1195
1196     dialog.vbox.show_all
1197     dialog.run { |response|
1198         if response == Gtk::Dialog::RESPONSE_OK
1199             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1200             $config['browser'] = from_utf8(browser_entry.text)
1201             $config['preload-distance'] = preload_distance.value
1202             $config['rotate-set-exif'] = update_exif_orientation_check.active?
1203             if cache_memfree_radio.active?
1204                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1205             else
1206                 $config['cache-memory-use'] = cache_specify_spin.value
1207             end
1208             set_cache_memory_use_figure
1209         end
1210     }
1211     dialog.destroy
1212 end
1213
1214 def perform_undo
1215     if $undo_mb.sensitive?
1216         $redo_mb.sensitive = true
1217         if not more_undoes = UndoHandler.undo($statusbar)
1218             $undo_mb.sensitive = false
1219         end
1220     end
1221 end
1222
1223 def perform_redo
1224     if $redo_mb.sensitive?
1225         $undo_mb.sensitive = true
1226         if not more_redoes = UndoHandler.redo($statusbar)
1227             $redo_mb.sensitive = false
1228         end
1229     end
1230 end
1231
1232 def create_menubar
1233     #- menu
1234     mb = Gtk::MenuBar.new
1235
1236     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1237     filesubmenu = Gtk::Menu.new
1238     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1239     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1240     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1241     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1242     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1243     filemenu.set_submenu(filesubmenu)
1244     mb.append(filemenu)
1245
1246     open.signal_connect('activate') { open_dir_popup }
1247     $execute.signal_connect('activate') { execute }
1248     quit.signal_connect('activate') { try_quit }
1249
1250     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1251     editsubmenu = Gtk::Menu.new
1252     editsubmenu.append($undo_mb = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1253     editsubmenu.append($redo_mb = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1254     editsubmenu.append(           Gtk::SeparatorMenuItem.new)
1255     editsubmenu.append(prefs    = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1256     editmenu.set_submenu(editsubmenu)
1257     mb.append(editmenu)
1258
1259     $undo_mb.signal_connect('activate') { perform_undo }
1260     $redo_mb.signal_connect('activate') { perform_redo }
1261     prefs.signal_connect('activate') { preferences }
1262
1263     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1264     helpsubmenu = Gtk::Menu.new
1265     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1266     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1267     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1268     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1269     helpmenu.set_submenu(helpsubmenu)
1270     mb.append(helpmenu)
1271
1272     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial.html') }
1273     about.signal_connect('activate') { call_about }
1274
1275
1276     #- no toolbar, to save height
1277
1278     return mb
1279 end
1280
1281 def reset_labels
1282     for child in $labels_vbox.children
1283         $labels_vbox.remove(child)
1284     end
1285     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1286     $labels = {}
1287 end
1288
1289 def reset_thumbnails
1290     $allentries = []
1291     for child in $imagesline.children
1292         $imagesline.remove(child)
1293     end
1294 end
1295
1296 def create_main_window
1297
1298     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1299     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1300
1301     mb = create_menubar
1302
1303     main_vbox = Gtk::VBox.new(false, 0)
1304     main_vbox.pack_start(mb, false, false)
1305     mainview_hbox = Gtk::HBox.new
1306     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 0, 0).add($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1307     reset_labels
1308     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1309     main_vbox.pack_start(mainview_hbox, true, true)
1310     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1311     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1312     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1313     main_vbox.pack_start($imagesline_sw, false, false)
1314     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1315
1316     $imagesline.set_size_request(-1, Entry.thumbnails_height + $imagesline_sw.hscrollbar.size_request[1])
1317
1318     $main_window = Gtk::Window.new
1319     $main_window.add(main_vbox)
1320     $main_window.signal_connect('delete-event') {
1321         try_quit({ :disallow_cancel => true })
1322     }
1323
1324     #- read/save size and position of window
1325     if $config['pos-x'] && $config['pos-y']
1326         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1327     else
1328         $main_window.window_position = Gtk::Window::POS_CENTER
1329     end
1330     msg 3, "size: #{$config['width']}x#{$config['height']}"
1331     $main_window.set_default_size(($config['width'] || 700).to_i, ($config['height'] || 600).to_i)
1332     $main_window.signal_connect('configure-event') {
1333         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1334         x, y = $main_window.window.root_origin
1335         width, height = $main_window.window.size
1336         $config['pos-x'] = x
1337         $config['pos-y'] = y
1338         $config['width'] = width
1339         $config['height'] = height
1340         false
1341     }
1342
1343     $protect_gtk_pending_calls = Mutex.new
1344     $gtk_pending_calls = []
1345     Gtk.timeout_add(50) {
1346         gtk_thread_flush
1347         true
1348     }
1349
1350     $main_window.show_all
1351 end
1352
1353
1354 handle_options
1355 Thread.abort_on_exception = true
1356 read_config
1357 Gtk.init
1358
1359
1360 create_main_window
1361 check_config
1362
1363 if ARGV[0]
1364     open_dir(ARGV[0])
1365 end
1366 Gtk.main
1367
1368 write_config