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 $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 $color_red
 327         elsif labeled
 328             return labeled.color
 329         else
 330             return nil
 331         end
 332     end
 333
 334     def show_bg
 335         if outline_color.nil?
 336             button.modify_bg(Gtk::StateType::NORMAL, nil)
 337             button.modify_bg(Gtk::StateType::PRELIGHT, nil)
 338             button.modify_bg(Gtk::StateType::ACTIVE, nil)
 339         else
 340             button.modify_bg(Gtk::StateType::NORMAL, outline_color)
 341             button.modify_bg(Gtk::StateType::PRELIGHT, outline_color.lighter)
 342             button.modify_bg(Gtk::StateType::ACTIVE, outline_color)
 343         end
 344     end
 345
 346     private
 347     def cleanup_dir(dir)
 348         Dir.entries(dir).each { |file| file != '.' && file != '..' and File.delete(File.join(dir, file)) }
 349         Dir.delete(dir)
 350     end
 351
 352     def load_into_pixbuf_full
 353         if @pixbuf_full.nil?
 354             msg 3, ">>> load_into_pixbuf_full #{path}"
 355             if type == 'video'
 356                 tmp = Tempfile.new("boohclassifiertemp")
 357                 tmp.close!
 358                 Dir.mkdir(dest_dir = tmp.path)
 359                 orig_base = File.basename(path)
 360                 if ! gen_video_thumbnail(path, dest_dir, orig_base, false, 0)
 361                     cleanup_dir(dest_dir)
 362                     return
 363                 end
 364                 image_path = "#{dest_dir}/#{orig_base}.jpg000000.jpg"
 365             else
 366                 image_path = @path
 367             end
 368             begin
 369                 @pixbuf_full = Gdk::Pixbuf.new(image_path)
 370             rescue Gdk::PixbufError
 371                 msg 0, "Cannot load #{image_path}: #{$!}"
 372                 return
 373             end
 374             if @pixbuf_full
 375                 if @angle.nil?
 376                     if type == 'image'
 377                         @angle = guess_rotate(image_path)
 378                     else
 379                         @angle = 0
 380                     end
 381                 end
 382                 if @angle != 0
 383                     msg 3, ">>> load_into_pixbuf_full #{image_path} => rotate #{@angle}"
 384                     @pixbuf_full = rotate_pixbuf(@pixbuf_full, @angle)
 385                 end
 386                 if @pixbuf_full.height > @@max_height
 387                     #- save a lot of memory, don't store in actual full size
 388                     @pixbuf_full = @pixbuf_full.scale(@pixbuf_full.width * (@@max_height.to_f/@pixbuf_full.height), @@max_height, Gdk::Pixbuf::INTERP_BILINEAR)
 389                 end
 390             end
 391             if type == 'video'
 392                 cleanup_dir(dest_dir)
 393             end
 394         end
 395     end
 396
 397     def to_s
 398         @path
 399     end
 400 end
 401
 402 class MainView < Gtk::DrawingArea
 403
 404     @@borders_thickness = 5
 405     @@borders_length = 25
 406
 407     def MainView.get_usable_width(available_width)
 408         return available_width - ($videoborder_pixbuf.width + @@borders_thickness) * 2
 409     end
 410
 411     def MainView.get_usable_height(available_height)
 412         return available_height - @@borders_thickness * 2
 413     end
 414
 415     def initialize
 416         super()
 417         signal_connect('expose-event') { draw }
 418         signal_connect('configure-event') { update_shown; GC.start }
 419         signal_connect('realize') {
 420             @preloader = Thread.new {
 421                 #- background preloading
 422                 while true
 423                     msg 3, "background main preloading triggered..."
 424                     if ! @entry.nil?
 425                         index = $allentries.index(@entry)
 426                         w, h = window.size
 427                         w = MainView.get_usable_width(w)
 428                         h = MainView.get_usable_height(h)
 429                         for j in 1 .. $config['preload-distance'].to_i
 430                             i = index + j
 431                             if i < $allentries.size
 432                                 $allentries[i].pixbuf_main(w, h)
 433                             end
 434                             i = index - j
 435                             if i >= 0
 436                                 $allentries[i].pixbuf_main(w, h)
 437                             end
 438                             GC.start
 439                             mem = get_mem
 440                             if mem > $config['cache-memory-use-figure']
 441                                 msg 3, "too much RSS, stopping main preloading"
 442                                 break
 443                             end
 444                         end
 445                         check_memory_free_cache_if_needed
 446                     end
 447                     Thread.stop
 448                 end
 449             }
 450             @preloader.priority = -2
 451         }
 452     end
 453
 454     def set_shown_entry(entry)
 455         if ! entry.nil? && entry == @entry
 456             return
 457         end
 458         if ! entry.nil?
 459             if ! entry.button
 460                 #- not loaded yet
 461                 return
 462             else
 463                 entry.button.grab_focus
 464             end
 465         end
 466         @entry = entry
 467         redraw
 468         @preloader.run
 469     end
 470
 471     def get_shown_entry
 472         return @entry
 473     end
 474
 475     def show_next_entry(entry)
 476         index = $allentries.index(entry) + 1
 477         if index < $allentries.size
 478             set_shown_entry($allentries[index])
 479         end
 480     end
 481
 482     def redraw
 483         update_shown
 484         w, h = window.size
 485         window.begin_paint(Gdk::Rectangle.new(0, 0, w, h))
 486         window.clear
 487         draw
 488         window.end_paint
 489     end
 490
 491     def update_shown
 492         if @entry
 493             width, height = window.size
 494             usable_width = MainView.get_usable_width(width)
 495             usable_height = MainView.get_usable_height(height)
 496             @pixbuf = @entry.pixbuf_main(usable_width, usable_height)
 497             @xpos = (width - @pixbuf.width)/2
 498             @ypos = (height - @pixbuf.height)/2
 499             @preloader.run
 500         else
 501             @pixbuf = nil
 502         end
 503     end
 504
 505     def draw
 506         if @pixbuf
 507             window.draw_pixbuf(nil, @pixbuf, 0, 0, @xpos, @ypos, -1, -1, Gdk::RGB::DITHER_NONE, -1, -1)
 508             if @entry && @entry.type == 'video'
 509                 window.draw_borders($videoborder_pixbuf, @xpos - $videoborder_pixbuf.width, @xpos + @pixbuf.width, @ypos, @ypos + @pixbuf.height)
 510             end
 511             if ! @entry.outline_color.nil?
 512                 gc = Gdk::GC.new(window)
 513                 colormap.alloc_color(@entry.outline_color, false, true)
 514                 gc.set_foreground(@entry.outline_color)
 515                 window.draw_polygon(gc, true, [[@xpos - @@borders_thickness, @ypos - @@borders_thickness],
 516                                                [@xpos + @pixbuf.width + @@borders_thickness, @ypos - @@borders_thickness],
 517                                                [@xpos + @pixbuf.width + @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 518                                                [@xpos - @@borders_thickness, @ypos + @pixbuf.height + @@borders_thickness],
 519                                                [@xpos - @@borders_thickness, @ypos - 1],
 520                                                [@xpos - 1, @ypos - 1],
 521                                                [@xpos - 1, @ypos + @pixbuf.height + 1],
 522                                                [@xpos + @pixbuf.width + 1, @ypos + @pixbuf.height + 1],
 523                                                [@xpos + @pixbuf.width + 1, @ypos - 1],
 524                                                [@xpos - @@borders_thickness, @ypos - 1]])
 525             end
 526         end
 527     end
 528 end
 529
 530 def check_memory_free_cache_if_needed
 531     GC.start
 532     mem = get_mem
 533     i = $allentries.index($mainview.get_shown_entry)
 534     msg 3, "mem: #{mem} index: #{i}"
 535     return if i.nil?
 536     ($allentries.size - 1).downto(1) { |j|
 537         if mem < $config['cache-memory-use-figure'] * 2 / 3
 538             break
 539         end
 540         index = i + j
 541         msg 3, "too much RSS, freeing full size of #{i+j} and #{i-j}..."
 542         freedsomething = false
 543         if i + j < $allentries.size
 544             freedsomething |= $allentries[i+j].free_pixbuf_full
 545         end
 546         if i - j > 0
 547             freedsomething |= $allentries[i-j].free_pixbuf_full
 548         end
 549         if freedsomething
 550             GC.start
 551             mem = get_mem
 552             msg 3, "\tmem now: #{mem}"
 553         end
 554     }
 555 end
 556
 557 def autoscroll_if_needed(button)
 558     xpos_left = button.allocation.x
 559     xpos_right = button.allocation.x + button.allocation.width
 560     hadj = $imagesline_sw.hadjustment
 561     current_minx_visible = hadj.value
 562     current_maxx_visible = hadj.value + hadj.page_size
 563     if xpos_left < current_minx_visible
 564         #- autoscroll left
 565         newval = hadj.value - (current_minx_visible - xpos_left)
 566         hadj.value = newval
 567         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 568     elsif xpos_right > current_maxx_visible
 569         #- autoscroll right
 570         newval = hadj.value + (xpos_right - current_maxx_visible)
 571         if newval > hadj.upper - hadj.page_size
 572             newval = hadj.upper - hadj.page_size
 573         end
 574         hadj.value = newval
 575         button.queue_draw  #- TOREMOVE: the visual focus is displayed incorrectly
 576     end
 577 end
 578
 579 def show_popup(parent, msg, *options)
 580     dialog = Gtk::Dialog.new
 581     if options[0]
 582         options = options[0]
 583     else
 584         options = {}
 585     end
 586     if options[:title]
 587         dialog.title = options[:title]
 588     else
 589         dialog.title = utf8(_("Booh message"))
 590     end
 591     lbl = Gtk::Label.new
 592     if options[:nomarkup]
 593         lbl.text = msg
 594     else
 595         lbl.markup = msg
 596     end
 597     if options[:centered]
 598         lbl.set_justify(Gtk::Justification::CENTER)
 599     end
 600     if options[:selectable]
 601         lbl.selectable = true
 602     end
 603     if options[:topwidget]
 604         dialog.vbox.add(options[0][:topwidget])
 605     end
 606     if options[:scrolled]
 607         sw = Gtk::ScrolledWindow.new(nil, nil)
 608         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
 609         sw.add_with_viewport(lbl)
 610         dialog.vbox.add(sw)
 611         dialog.set_default_size(500, 600)
 612     else
 613         dialog.vbox.add(lbl)
 614         dialog.set_default_size(200, 120)
 615     end
 616     if options[:bottomwidget]
 617         dialog.vbox.add(options[:bottomwidget])
 618     end
 619     if options[:okcancel]
 620         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
 621     end
 622     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
 623
 624     if options[:pos_centered]
 625         dialog.window_position = Gtk::Window::POS_CENTER
 626     else
 627         dialog.window_position = Gtk::Window::POS_MOUSE
 628     end
 629
 630     if options[:linkurl]
 631         linkbut = Gtk::Button.new('')
 632         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
 633         linkbut.signal_connect('clicked') {
 634             open_url(options[0][:linkurl] + '/index.html')
 635             dialog.response(Gtk::Dialog::RESPONSE_OK)
 636             set_mousecursor_normal
 637         }
 638         linkbut.relief = Gtk::RELIEF_NONE
 639         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
 640         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
 641         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
 642     end
 643
 644     dialog.show_all
 645
 646     if options[:stuff_connector]
 647         options[:stuff_connector].call({ :dialog => dialog })
 648     end
 649
 650     if !options[:not_transient]
 651         dialog.transient_for = parent
 652         dialog.run { |response|
 653             if options[:data_getter]
 654                 options[:data_getter].call
 655             end
 656             dialog.destroy
 657             if options[:okcancel]
 658                 return response == Gtk::Dialog::RESPONSE_OK
 659             end
 660         }
 661     else
 662         dialog.signal_connect('response') { dialog.destroy }
 663     end
 664 end
 665
 666 def thumbnail_keypressed(entry, event)
 667     if event.state & Gdk::Window::MOD1_MASK != 0
 668         #- ALT pressed: Alt-Left and Alft-Right rotate
 669         if event.keyval == Gdk::Keyval::GDK_Left || event.keyval == Gdk::Keyval::GDK_Right
 670             if event.keyval == Gdk::Keyval::GDK_Left
 671                 entry.angle = (entry.angle - 90) % 360
 672                 sb_msg(_("Rotated to the left"))
 673             else
 674                 entry.angle = (entry.angle + 90) % 360
 675                 sb_msg(_("Rotated to the right"))
 676             end
 677             entry.free_pixbuf_full
 678             entry.free_pixbuf_main
 679             entry.free_pixbuf_thumbnail
 680             $mainview.redraw
 681             entry.image.pixbuf = entry.pixbuf_thumbnail
 682         end
 683
 684     elsif event.state & Gdk::Window::CONTROL_MASK != 0
 685         #- CONTROL pressed: Ctrl-z and Ctrl-r for undo/redo
 686         if event.keyval == Gdk::Keyval::GDK_z
 687             perform_undo
 688         end
 689         if event.keyval == Gdk::Keyval::GDK_r
 690             perform_redo
 691         end
 692
 693     else
 694         removed_before = entry.removed
 695         label_before = entry.labeled
 696
 697         if event.keyval == Gdk::Keyval::GDK_Delete
 698             entry.removed = true
 699             entry.labeled = nil
 700             entry.show_bg
 701             $mainview.show_next_entry(entry)
 702             sb_msg(_("Set for removal"))
 703
 704             save_undo(_("set for removal"),
 705                       proc {
 706                           entry.removed = removed_before
 707                           entry.labeled = label_before
 708                           entry.show_bg
 709                           $mainview.set_shown_entry(entry)
 710                           proc {
 711                               entry.removed = true
 712                               entry.labeled = nil
 713                               entry.show_bg
 714                               $mainview.set_shown_entry(entry)
 715                           }
 716                       })
 717
 718         elsif event.keyval == Gdk::Keyval::GDK_space
 719             if entry.labeled
 720                 msg = _("Cleared label")
 721             elsif entry.removed
 722                 msg = _("Cleared set for removal")
 723             end
 724             entry.removed = false
 725             entry.labeled = nil
 726             entry.show_bg
 727             sb_msg(msg)
 728             $mainview.show_next_entry(entry)
 729
 730             save_undo(msg,
 731                       proc {
 732                           entry.removed = removed_before
 733                           entry.labeled = label_before
 734                           entry.show_bg
 735                           $mainview.set_shown_entry(entry)
 736                           proc {
 737                               entry.removed = false
 738                               entry.labeled = nil
 739                               entry.show_bg
 740                               $mainview.set_shown_entry(entry)
 741                           }
 742                       })
 743
 744         elsif event.keyval == Gdk::Keyval::GDK_Return && entry.type == 'video'
 745             cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{entry.path}'") + ' &'
 746             msg 2, cmd
 747             system(cmd)
 748
 749         else
 750             char = [ Gdk::Keyval.to_unicode(event.keyval) ].pack("C*")
 751             if char =~ /^[a-zA-z0-9]$/
 752                 label = $labels[char]
 753
 754                 if label.nil?
 755                     vb = Gtk::VBox.new(false, 0)
 756                     vb.pack_start(entry = Gtk::Entry.new.set_text(char), false, false)
 757                     vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(bt = Gtk::Button.new(utf8(_("  Change color  ")))))
 758                     text = nil
 759                     color = nil
 760                     bt.signal_connect('clicked') {
 761                         color = $colors.shift
 762                         if color.nil?
 763                             color = Gdk::Color.new(16384 + rand(49151), 16384 + rand(49151), 16384 + rand(49151))
 764                         end
 765                         bt.modify_bg(Gtk::StateType::NORMAL, color)
 766                         bt.modify_bg(Gtk::StateType::PRELIGHT, color)
 767                         bt.modify_bg(Gtk::StateType::ACTIVE, color.darker)
 768                     }
 769                     bt.clicked
 770                     entry.signal_connect('changed') {  #- cannot add a new label with first letter of an existing label
 771                         while $labels.has_key?(entry.text[0,1])
 772                             entry.text = entry.text.sub(/./, '')
 773                         end
 774                     }
 775                     if show_popup($main_window,
 776                                   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,
 777                                   { :okcancel => true, :bottomwidget => vb, :data_getter => proc { text = entry.text },
 778                                     :stuff_connector => proc { |stuff| entry.select_region(0, 0)
 779                                                                        entry.position = -1
 780                                                                        entry.signal_connect('activate') { stuff[:dialog].response(Gtk::Dialog::RESPONSE_OK) } } } )
 781                         if text.length > 0
 782                             char = text[0,1]  #- in case it changed
 783                             label = Label.new(text)
 784                             label.color = color
 785                             $labels[char] = label
 786                             lbl = Gtk::Label.new.set_markup('<b>(' + char + ')</b>' + text[1..-1]).set_justify(Gtk::Justification::CENTER)
 787                             $labels_vbox.pack_start(evt = Gtk::EventBox.new.add(lbl).modify_bg(Gtk::StateType::NORMAL, label.color).show_all)
 788                         end
 789                     end
 790
 791                 else
 792                     entry.removed = false
 793                     entry.labeled = label
 794                     entry.show_bg
 795                     $mainview.show_next_entry(entry)
 796                     sb_msg(_("Set label"))
 797
 798                     save_undo(_("set label"),
 799                               proc {
 800                                   entry.removed = removed_before
 801                                   entry.labeled = label_before
 802                                   entry.show_bg
 803                                   $mainview.set_shown_entry(entry)
 804                                   proc {
 805                                       entry.removed = false
 806                                       entry.labeled = label
 807                                       entry.show_bg
 808                                       $mainview.set_shown_entry(entry)
 809                                   }
 810                               })
 811                 end
 812             end
 813         end
 814     end
 815 end
 816
 817 def sb_msg(msg)
 818     $statusbar.pop(0)
 819     if msg
 820         $statusbar.push(0, utf8(msg))
 821     end
 822 end
 823
 824 def real_show_entry(entry, tooltips, grab_focus)
 825     #- for scoping the actual reference to 'entry'
 826     gtk_thread_protect(proc {
 827         msg 3, "using entry #{entry}"
 828         entry.image = Gtk::Image.new(entry.pixbuf_thumbnail)
 829         if entry.type == 'video'
 830             entry.button = Gtk::Button.new.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
 831                                                              pack_start(entry.image).
 832                                                              pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false))
 833             da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
 834             da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
 835         else
 836             entry.button = Gtk::Button.new.set_image(entry.image)
 837         end
 838         tooltips.set_tip(entry.button, basepath = File.basename(entry.path).gsub(/\.[^.]+$/, ''), nil)
 839         $imagesline.pack_start(entry.alignment = Gtk::Alignment.new(0.5, 1, 0, 0).add(entry.button).show_all, false, false)
 840         entry.button.signal_connect('clicked') {
 841             if (last_shown = $mainview.get_shown_entry) != entry
 842                 $mainview.set_shown_entry(entry)
 843                 entry.alignment.set(0.5, 0, 0, 0)
 844                 sb_msg(_("Selected %s") % basepath)
 845                 last_shown.nil? or last_shown.alignment.set(0.5, 1, 0, 0)
 846             end
 847         }
 848         entry.button.signal_connect('focus-in-event') { entry.button.clicked; autoscroll_if_needed(entry.button) }
 849         entry.button.signal_connect('key-press-event') { |w, e| thumbnail_keypressed(entry, e) }
 850         if grab_focus
 851             entry.button.grab_focus
 852         end
 853     })
 854 end
 855
 856 def show_entries
 857     e = Thread.new {
 858         t1 = Time.now
 859         sb_msg(_("Loading images..."))
 860         tooltips = Gtk::Tooltips.new
 861         counter = 0
 862         toremove = []
 863         grab_focus = true
 864         i = 0
 865         total_size = 0
 866         while i < $allentries.size
 867             entry = $allentries[i]
 868             if entry.pixbuf_full
 869                 total_size += file_size(entry.path)
 870                 entry.pixbuf_thumbnail
 871                 real_show_entry(entry, tooltips, grab_focus)
 872                 grab_focus = false
 873                 if i % 4 == 0
 874                     check_memory_free_cache_if_needed
 875                 end
 876                 counter += 1
 877                 i = i + 1
 878
 879             else
 880                 $allentries.delete_at(i)
 881             end
 882         end
 883         check_memory_free_cache_if_needed
 884         sb_msg(_("%d images of total %s kB loaded in %3.2f seconds.") % [ counter, commify(total_size / 1024), Time.now - t1 ])
 885     }
 886     e.priority = -1
 887 end
 888
 889 def reset_all
 890     reset_labels
 891     reset_thumbnails
 892     $mainview.set_shown_entry(nil)
 893     sb_msg(nil)
 894 end
 895
 896 def open_dir(path)
 897     #- remove visual stuff, so that user will see something is happening
 898     reset_all
 899     sb_msg(_("Scanning source directory..."))
 900
 901     path = File.expand_path(path.sub(%r|/$|, ''))
 902     examined_dirs = `find '#{path}' -type d -follow`.sort.collect { |v| v.chomp }
 903     #- validate first
 904     examined_dirs.each { |dir|
 905         if dir =~ /'/
 906             return utf8(_("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir)
 907         end
 908         Dir.entries(dir).each { |file|
 909             if file =~ /['"\[\]]/
 910                 return utf8(_("Files can't contain any of the characters ', \", [ or ], sorry: %s") % "#{dir}/#{file}")
 911             end
 912         }
 913     }
 914
 915     #- scan for populate second
 916     examined_dirs.each { |dir|
 917         if File.basename(dir) =~ /^\./
 918             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
 919             next
 920         end
 921         Dir.entries(dir).each { |file|
 922             type = entry2type(file)
 923            if type
 924 #&& $allentries.size < 120
 925                 $allentries << Entry.new(File.join(dir, file), type)
 926             end
 927         }
 928     }
 929     $workingdir = path
 930     show_entries
 931     $execute.sensitive = true
 932     return nil
 933 end
 934
 935 def open_dir_popup
 936     fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory to work with")),
 937                                     nil,
 938                                     Gtk::FileChooser::ACTION_SELECT_FOLDER,
 939                                     nil,
 940                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 941     fc.transient_for = $main_window
 942     if $workingdir
 943         fc.current_folder = $workingdir
 944     end
 945     ok = false
 946     while !ok
 947         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
 948             msg = open_dir(fc.filename)
 949             if msg
 950                 show_popup(fc, msg)
 951                 ok = false
 952             else
 953                 ok = true
 954             end
 955         else
 956             ok = true
 957         end
 958     end
 959     fc.destroy
 960 end
 961
 962 def gtk_thread_protect(proc, *params)
 963     if Thread.current == Thread.main
 964         proc.call(*params)
 965     else
 966         $protect_gtk_pending_calls.synchronize {
 967             $gtk_pending_calls << [ proc, params ]
 968         }
 969     end
 970 end
 971
 972 def gtk_thread_flush
 973     $protect_gtk_pending_calls.synchronize {
 974         if $gtk_pending_calls.size > 0
 975             elem = $gtk_pending_calls.shift
 976             elem[0].call(*elem[1])
 977         end
 978     }
 979 end
 980
 981 def try_quit(*options)
 982     Gtk.main_quit
 983 end
 984
 985 def execute
 986     dialog = Gtk::Dialog.new
 987     dialog.title = utf8(_("Booh message"))
 988
 989     vb1 = Gtk::VBox.new(false, 5)
 990     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!")))
 991     vb1.pack_start(label, false, false)
 992
 993     table = Gtk::Table.new(0, 0, false)
 994     table.set_row_spacings(5)
 995     table.set_column_spacings(5)
 996     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)
 997     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)
 998     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)
 999     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)
1000     add_row = proc { |row, name, color, truthproc, normal|
1001         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)),
1002                      0, 1, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1003         counter = 0
1004         examples = Gtk::HBox.new(false, 5)
1005         $allentries.each { |entry|
1006             if truthproc.call(entry)
1007                 counter += 1
1008                 if counter < 4
1009                     thumbnail = Gtk::Image.new(entry.pixbuf_thumbnail)
1010                     if entry.type == 'video'
1011                         thumbnail = Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false).
1012                                                   pack_start(thumbnail).
1013                                                   pack_start(da2 = Gtk::DrawingArea.new.set_size_request($videoborder_pixbuf.width, -1), false, false)
1014                         da1.signal_connect('realize') { da1.window.set_back_pixmap($videoborder_pixmap, false) }
1015                         da2.signal_connect('realize') { da2.window.set_back_pixmap($videoborder_pixmap, false) }
1016                     end
1017                     examples.pack_start(thumbnail, false, false)
1018                 elsif counter == 4
1019                     examples.pack_start(Gtk::Label.new.set_markup("<b>...</b>"), false, false)
1020                 end
1021             end
1022         }
1023         table.attach(Gtk::Label.new(counter.to_s).set_justify(Gtk::Justification::CENTER), 1, 2, row, row + 1, 0, 0, 5, 5)
1024         table.attach(examples, 2, 3, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1025
1026         combostore = Gtk::ListStore.new(Gdk::Pixbuf, String)
1027         iter = combostore.append
1028         if normal
1029             iter[0] = $main_window.render_icon(Gtk::Stock::GO_FORWARD, Gtk::IconSize::MENU)
1030             iter[1] = utf8(_("Move to:"))
1031         else
1032             iter[0] = $main_window.render_icon(Gtk::Stock::DELETE, Gtk::IconSize::MENU)
1033             iter[1] = utf8(_("Permanently remove"))
1034         end
1035         iter = combostore.append
1036         iter[0] = $main_window.render_icon(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::MENU)
1037         iter[1] = utf8(_("Do nothing"))
1038         combo = Gtk::ComboBox.new(combostore)
1039         combo.active = 0
1040         renderer = Gtk::CellRendererPixbuf.new
1041         combo.pack_start(renderer, false)
1042         combo.set_attributes(renderer, :pixbuf => 0)
1043         renderer = Gtk::CellRendererText.new
1044         combo.pack_start(renderer, true)
1045         combo.set_attributes(renderer, :text => 1)
1046
1047         if normal
1048             pathbutton = Gtk::Button.new.add(pathlabel = Gtk::Label.new.set_markup(utf8(_("<i>(unset)</i>"))))
1049             lastpath = $workingdir
1050             pathbutton.signal_connect('clicked') {
1051                 fc = Gtk::FileChooserDialog.new(utf8(_("Specify the directory where to move the pictures to")),
1052                                                 nil,
1053                                                 Gtk::FileChooser::ACTION_SELECT_FOLDER,
1054                                                 nil,
1055                                                 [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1056                 fc.transient_for = dialog
1057                 fc.current_folder = lastpath
1058                 if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
1059                     pathlabel.text = fc.filename
1060                 end
1061                 lastpath = fc.filename
1062                 fc.destroy
1063             }
1064             combo.signal_connect('changed') {
1065                 pathbutton.sensitive = combo.active == 0
1066             }
1067             vb = Gtk::VBox.new(false, 5)
1068             vb.pack_start(combo, false, false)
1069             vb.pack_start(pathbutton, false, false)
1070             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(vb), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1071             { :combo => combo, :pathlabel => pathlabel }
1072         else
1073             table.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(combo), 3, 4, row, row + 1, Gtk::FILL, Gtk::FILL, 5, 5)
1074             { :combo => combo }
1075         end
1076     }
1077     stuff = {}
1078     stuff['toremove'] = add_row.call(1, utf8(_("<i>to remove</i>")), Gdk::Color.new(65535, 0, 0), proc { |entry| entry.removed }, false)
1079     $labels.values.each_with_index { |label, row| stuff[label] = add_row.call(row + 2, label.name, label.color, proc { |entry| entry.labeled == label }, true) }
1080     vb1.pack_start(sw = Gtk::ScrolledWindow.new(nil, nil).add_with_viewport(table).set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC), true, true)
1081
1082     toremove_amount = $allentries.find_all { |entry| entry.removed }.size
1083     toremove_size = commify($allentries.find_all { |entry| entry.removed }.collect { |entry| file_size(entry.path) }.sum / 1024)
1084     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 ]))
1085     if toremove_amount > 0
1086         vb1.pack_start(check_removal, false, false)
1087         stuff['toremove'][:combo].signal_connect('changed') { |widget|
1088             check_removal.sensitive = widget.active == 0
1089         }
1090     end
1091
1092     dialog.vbox.add(vb1)
1093
1094     dialog.set_default_size(800, 600)
1095     dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1096     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1097     dialog.window_position = Gtk::Window::POS_MOUSE
1098     dialog.transient_for = $main_window
1099
1100     dialog.show_all
1101
1102     while true
1103         dialog.run { |response|
1104             if response == Gtk::Dialog::RESPONSE_OK
1105                 if toremove_amount > 0 && ! check_removal.active? && stuff['toremove'][:combo].active == 0
1106                     show_popup(dialog, utf8(_("You have not confirmed that you noticed the permanent removal of the pictures marked for deletion.")))
1107                     break
1108                 end
1109                 problem = false
1110                 label2entries = {}
1111                 $labels.values.each { |label| label2entries[label] = [] }
1112                 $allentries.each { |entry| entry.labeled and label2entries[entry.labeled] << entry }
1113                 stuff.keys.each { |key|
1114                     if key.is_a?(Label) && stuff[key][:combo].active == 0
1115                         destination = stuff[key][:pathlabel].text
1116                         if destination[0] != ?/
1117                             show_popup(dialog, utf8(_("You have not selected a directory where to move %s.") % key.name))
1118                             problem = true
1119                             break
1120                         end
1121                         st = File.stat(destination)
1122                         if ! st.directory? || ! st.writable?
1123                             show_popup(dialog, utf8(_("Directory where to move %s is not valid or not writable.") % key.name))
1124                             problem = true
1125                             break
1126                         end
1127                         label2entries[key].each { |entry|
1128                             begin
1129                                 File.stat(File.join(destination, File.basename(entry.path)))
1130                                 show_popup(dialog, utf8(_("Sorry, a file '%s' already exists in '%s'.") % [ File.basename(entry.path), destination ]))
1131                                 problem = true
1132                                 break
1133                             rescue
1134                             end
1135                         }
1136                         if problem
1137                             break
1138                         end
1139                     end
1140                 }
1141                 if ! problem
1142                     begin
1143                         moved = 0
1144                         stuff.keys.each { |key|
1145                             if key.is_a?(Label) && stuff[key][:combo].active == 0
1146                                 destination = stuff[key][:pathlabel].text
1147                                 label2entries[key].each { |entry|
1148                                     File.rename(entry.path, File.join(destination, File.basename(entry.path)))
1149                                     moved += 1
1150                                 }
1151                             end
1152                         }
1153                         removed = 0
1154                         if stuff['toremove'][:combo].active == 0
1155                             $allentries.each { |entry|
1156                                 if entry.removed
1157                                     File.delete(entry.path)
1158                                     removed += 1
1159                                 end
1160                             }
1161                         end
1162                     rescue
1163                         msg 1, "woops: #{$!}"
1164                         show_popup(dialog, utf8(_("Unexpected system call error: '%s'.") % $!))
1165                     end
1166                     show_popup(dialog, utf8(_("Successfully moved %d files and removed %d files.") % [ moved, removed ]))
1167                     dialog.destroy
1168                     reset_all
1169                     return
1170                 end
1171
1172             else
1173                 dialog.destroy
1174                 return
1175             end
1176         }
1177     end
1178 end
1179
1180 def preferences
1181     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
1182                              $main_window,
1183                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1184                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
1185                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
1186
1187     tooltips = Gtk::Tooltips.new
1188
1189     dialog.vbox.add(tbl = Gtk::Table.new(0, 0, false))
1190     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
1191                0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1192     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
1193                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
1194     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mplayer %f")), nil)
1195
1196     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
1197                0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1198     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
1199                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
1200     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;\nfor example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
1201
1202     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Preloading distance: ")))),
1203                0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1204     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(preload_distance = Gtk::SpinButton.new(0, 50, 1).set_value($config['preload-distance'].to_i)),
1205                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
1206     tooltips.set_tip(preload_distance, utf8(_("Amount of pictures preloaded left and right to the currently shown")), nil)
1207
1208     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Cache memory use: ")))),
1209                0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1210     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(cache_vbox = Gtk::VBox.new(false, 0)),
1211                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
1212     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_memfree_radio = Gtk::RadioButton.new(''), false, false).
1213                                                   pack_start(cache_memfree_spin = Gtk::SpinButton.new(0, 100, 10), false, false).
1214                                                   pack_start(cache_memfree_label = Gtk::Label.new(utf8(_("% of free memory"))), false, false), false, false)
1215     cache_memfree_spin.signal_connect('value-changed') { cache_memfree_radio.active = true }
1216     tooltips.set_tip(cache_memfree_spin, utf8(_("Percentage of free memory (+ buffers/cache) measured at startup")), nil)
1217     cache_vbox.pack_start(Gtk::HBox.new(false, 0).pack_start(cache_specify_radio = Gtk::RadioButton.new(cache_memfree_radio, ''), false, false).
1218                                                   pack_start(cache_specify_spin = Gtk::SpinButton.new(0, 4000, 50), false, false).
1219                                                   pack_start(cache_specify_label = Gtk::Label.new(utf8(_("MB"))).set_sensitive(false), false, false), false, false)
1220     cache_specify_spin.signal_connect('value-changed') { cache_specify_radio.active = true }
1221     cache_memfree_radio.signal_connect('toggled') {
1222         if cache_memfree_radio.active?
1223             cache_memfree_label.sensitive = true
1224             cache_specify_label.sensitive = false
1225         else
1226             cache_specify_label.sensitive = true
1227             cache_memfree_label.sensitive = false
1228         end
1229     }
1230     tooltips.set_tip(cache_specify_spin, utf8(_("Amount of memory in megabytes")), nil)
1231     if $config['cache-memory-use'] =~ /memfree_(\d+)/
1232         cache_memfree_spin.value = $1.to_i
1233     else
1234         cache_specify_spin.value = $config['cache-memory-use'].to_i
1235     end
1236
1237     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
1238                0, 2, 4, 5, Gtk::FILL, Gtk::SHRINK, 2, 2)
1239     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
1240     update_exif_orientation_check.active = $config['rotate-set-exif']
1241
1242     dialog.vbox.show_all
1243     dialog.run { |response|
1244         if response == Gtk::Dialog::RESPONSE_OK
1245             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
1246             $config['browser'] = from_utf8(browser_entry.text)
1247             $config['preload-distance'] = preload_distance.value
1248             $config['rotate-set-exif'] = update_exif_orientation_check.active?
1249             if cache_memfree_radio.active?
1250                 $config['cache-memory-use'] = "memfree_#{cache_memfree_spin.value}%"
1251             else
1252                 $config['cache-memory-use'] = cache_specify_spin.value
1253             end
1254             set_cache_memory_use_figure
1255         end
1256     }
1257     dialog.destroy
1258 end
1259
1260 def perform_undo
1261     if $undo_mb.sensitive?
1262         $redo_mb.sensitive = true
1263         if not more_undoes = UndoHandler.undo($statusbar)
1264             $undo_mb.sensitive = false
1265         end
1266     end
1267 end
1268
1269 def perform_redo
1270     if $redo_mb.sensitive?
1271         $undo_mb.sensitive = true
1272         if not more_redoes = UndoHandler.redo($statusbar)
1273             $redo_mb.sensitive = false
1274         end
1275     end
1276 end
1277
1278 def create_menubar
1279     #- menu
1280     mb = Gtk::MenuBar.new
1281
1282     filemenu = Gtk::MenuItem.new(utf8(_("_File")))
1283     filesubmenu = Gtk::Menu.new
1284     filesubmenu.append(open      = Gtk::ImageMenuItem.new(Gtk::Stock::OPEN))
1285     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1286     filesubmenu.append($execute  = Gtk::ImageMenuItem.new(Gtk::Stock::EXECUTE).set_sensitive(false))
1287     filesubmenu.append(            Gtk::SeparatorMenuItem.new)
1288     filesubmenu.append(quit      = Gtk::ImageMenuItem.new(Gtk::Stock::QUIT))
1289     filemenu.set_submenu(filesubmenu)
1290     mb.append(filemenu)
1291
1292     open.signal_connect('activate') { open_dir_popup }
1293     $execute.signal_connect('activate') { execute }
1294     quit.signal_connect('activate') { try_quit }
1295
1296     editmenu = Gtk::MenuItem.new(utf8(_("_Edit")))
1297     editsubmenu = Gtk::Menu.new
1298     editsubmenu.append($undo_mb = Gtk::ImageMenuItem.new(Gtk::Stock::UNDO).set_sensitive(false))
1299     editsubmenu.append($redo_mb = Gtk::ImageMenuItem.new(Gtk::Stock::REDO).set_sensitive(false))
1300     editsubmenu.append(           Gtk::SeparatorMenuItem.new)
1301     editsubmenu.append(prefs    = Gtk::ImageMenuItem.new(Gtk::Stock::PREFERENCES))
1302     editmenu.set_submenu(editsubmenu)
1303     mb.append(editmenu)
1304
1305     $undo_mb.signal_connect('activate') { perform_undo }
1306     $redo_mb.signal_connect('activate') { perform_redo }
1307     prefs.signal_connect('activate') { preferences }
1308
1309     helpmenu = Gtk::MenuItem.new(utf8(_("_Help")))
1310     helpsubmenu = Gtk::Menu.new
1311     helpsubmenu.append(tutos = Gtk::ImageMenuItem.new(utf8(_("Online tutorials (opens a web-browser)"))))
1312     tutos.image = Gtk::Image.new("#{$FPATH}/images/stock-web-16.png")
1313     helpsubmenu.append(Gtk::SeparatorMenuItem.new)
1314     helpsubmenu.append(about = Gtk::ImageMenuItem.new(Gtk::Stock::ABOUT))
1315     helpmenu.set_submenu(helpsubmenu)
1316     mb.append(helpmenu)
1317
1318     tutos.signal_connect('activate') { open_url('http://booh.org/tutorial.html') }
1319     about.signal_connect('activate') { call_about }
1320
1321
1322     #- no toolbar, to save height
1323
1324     return mb
1325 end
1326
1327 def reset_labels
1328     for child in $labels_vbox.children
1329         $labels_vbox.remove(child)
1330     end
1331     $labels_vbox.pack_start(Gtk::Label.new(utf8(_("Labels list:"))).set_justify(Gtk::Justification::CENTER), false, false).show_all
1332     $labels = {}
1333 end
1334
1335 def reset_thumbnails
1336     $allentries = []
1337     for child in $imagesline.children
1338         $imagesline.remove(child)
1339     end
1340 end
1341
1342 def create_main_window
1343
1344     $videoborder_pixbuf = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1345     $videoborder_pixmap, = $videoborder_pixbuf.render_pixmap_and_mask(0)
1346
1347     mb = create_menubar
1348
1349     main_vbox = Gtk::VBox.new(false, 0)
1350     main_vbox.pack_start(mb, false, false)
1351     mainview_hbox = Gtk::HBox.new
1352     mainview_hbox.pack_start(Gtk::Alignment.new(0.5, 0, 0, 0).add($labels_vbox = Gtk::VBox.new(false, 5)), false, true)
1353     reset_labels
1354     mainview_hbox.pack_start($mainview = MainView.new, true, true)
1355     main_vbox.pack_start(mainview_hbox, true, true)
1356     $imagesline_sw = Gtk::ScrolledWindow.new(nil, nil)
1357     $imagesline_sw.set_policy(Gtk::POLICY_ALWAYS, Gtk::POLICY_NEVER)
1358     $imagesline_sw.add_with_viewport($imagesline = Gtk::HBox.new(false, 0).show)
1359     main_vbox.pack_start($imagesline_sw, false, false)
1360     main_vbox.pack_end($statusbar = Gtk::Statusbar.new, false, false)
1361
1362     $imagesline.set_size_request(-1, Gtk::Button.new.size_request[1] + Entry.thumbnails_height + 10)
1363
1364     $main_window = Gtk::Window.new
1365     $main_window.add(main_vbox)
1366     $main_window.signal_connect('delete-event') {
1367         try_quit({ :disallow_cancel => true })
1368     }
1369
1370     #- read/save size and position of window
1371     if $config['pos-x'] && $config['pos-y']
1372         $main_window.move($config['pos-x'].to_i, $config['pos-y'].to_i)
1373     else
1374         $main_window.window_position = Gtk::Window::POS_CENTER
1375     end
1376     msg 3, "size: #{$config['width']}x#{$config['height']}"
1377     $main_window.set_default_size(($config['width'] || 700).to_i, ($config['height'] || 600).to_i)
1378     $main_window.signal_connect('configure-event') {
1379         msg 3, "configure: pos: #{$main_window.window.root_origin.inspect} size: #{$main_window.window.size.inspect}"
1380         x, y = $main_window.window.root_origin
1381         width, height = $main_window.window.size
1382         $config['pos-x'] = x
1383         $config['pos-y'] = y
1384         $config['width'] = width
1385         $config['height'] = height
1386         false
1387     }
1388
1389     $protect_gtk_pending_calls = Mutex.new
1390     $gtk_pending_calls = []
1391     Gtk.timeout_add(50) {
1392         gtk_thread_flush
1393         true
1394     }
1395
1396     $main_window.show_all
1397 end
1398
1399
1400 handle_options
1401 Thread.abort_on_exception = true
1402 read_config
1403 Gtk.init
1404
1405
1406 create_main_window
1407 check_config
1408
1409 if ARGV[0]
1410     open_dir(ARGV[0])
1411 end
1412 Gtk.main
1413
1414 write_config