git.zarb.org Git - booh/blob - bin/booh

   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) 2004-2008 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 require 'booh/libadds'
  28 require 'booh/GtkAutoTable'
  29
  30 require 'gettext'
  31 include GetText
  32 bindtextdomain("booh")
  33
  34 require 'booh/rexml/document'
  35 include REXML
  36
  37 require 'booh/booh-lib'
  38 include Booh
  39 require 'booh/UndoHandler'
  40 require 'booh/Synchronizator'
  41
  42
  43 #- options
  44 $options = [
  45     [ '--help',          '-h', GetoptLong::NO_ARGUMENT,       _("Get help message") ],
  46
  47     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
  48 ]
  49
  50 #- default values for some globals
  51 $xmldir = nil
  52 $modified = false
  53 $current_cursor = nil
  54 $ignore_videos = false
  55 $button1_pressed_autotable = false
  56 $generated_outofline = false
  57
  58 def usage
  59     puts _("Usage: %s [OPTION]...") % File.basename($0)
  60     $options.each { |ary|
  61         printf " %3s, %-15s %s\n", ary[1], ary[0], ary[3]
  62     }
  63 end
  64
  65 def handle_options
  66     parser = GetoptLong.new
  67     parser.set_options(*$options.collect { |ary| ary[0..2] })
  68     begin
  69         parser.each_option do |name, arg|
  70             case name
  71             when '--help'
  72                 usage
  73                 exit(0)
  74
  75             when '--verbose-level'
  76                 $verbose_level = arg.to_i
  77
  78             end
  79         end
  80     rescue
  81         puts $!
  82         usage
  83         exit(1)
  84     end
  85 end
  86
  87 def read_config
  88     $config = {}
  89     $config_file = File.expand_path('~/.booh-gui-rc')
  90     if File.readable?($config_file)
  91         $xmldoc = REXML::Document.new(File.new($config_file))
  92         $xmldoc.root.elements.each { |element|
  93             txt = element.get_text
  94             if txt
  95                 if txt.value =~ /~~~/ || element.name == 'last-opens'
  96                     $config[element.name] = txt.value.split(/~~~/)
  97                 else
  98                     $config[element.name] = txt.value
  99                 end
 100             elsif element.elements.size == 0
 101                 $config[element.name] = ''
 102             else
 103                 $config[element.name] = {}
 104                 element.each { |chld|
 105                     txt = chld.get_text
 106                     $config[element.name][chld.name] = txt ? txt.value : nil
 107                 }
 108             end
 109         }
 110     end
 111     $config['video-viewer'] ||= '/usr/bin/mplayer %f'
 112     $config['image-editor'] ||= '/usr/bin/gimp-remote %f'
 113     $config['browser'] ||= "/usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f"
 114     $config['comments-format'] ||= '%t'
 115     if !FileTest.directory?(File.expand_path('~/.booh'))
 116         system("mkdir ~/.booh")
 117     end
 118     if $config['mproc'].nil?
 119         cpus = 0
 120         for line in IO.readlines('/proc/cpuinfo') do
 121             line =~ /^processor/ and cpus += 1
 122         end
 123         if cpus > 1
 124             $config['mproc'] = cpus
 125         end
 126     end
 127     $config['rotate-set-exif'] ||= 'true'
 128     $tempfiles = []
 129     $todelete = []
 130 end
 131
 132 def check_config
 133     if !system("which convert >/dev/null 2>/dev/null")
 134         show_popup($main_window, utf8(_("The program 'convert' is needed. Please install it.
 135 It is generally available with the 'ImageMagick' software package.")), { :pos_centered => true })
 136         exit 1
 137     end
 138     if !system("which identify >/dev/null 2>/dev/null")
 139         show_popup($main_window, utf8(_("The program 'identify' is needed to get photos sizes and EXIF data. Please install it.
 140 It is generally available with the 'ImageMagick' software package.")), { :pos_centered => true })
 141     end
 142     if !system("which exif >/dev/null 2>/dev/null")
 143         show_popup($main_window, utf8(_("The program 'exif' is needed to view EXIF data. Please install it.")), { :pos_centered => true })
 144     end
 145     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
 146     if missing != []
 147         show_popup($main_window, utf8(_("The following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')), { :pos_centered => true })
 148     end
 149
 150     viewer_binary = $config['video-viewer'].split.first
 151     if viewer_binary && !File.executable?(viewer_binary)
 152         show_popup($main_window, utf8(_("The configured video viewer seems to be unavailable.
 153 You should fix this in Edit/Preferences so that you can view videos.
 154
 155 Problem was: '%s' is not an executable file.
 156 Hint: don't forget to specify the full path to the executable,
 157 e.g. '/usr/bin/mplayer' is correct but 'mplayer' only is not.") % viewer_binary), { :pos_centered => true, :not_transient => true })
 158     end
 159     image_editor_binary = $config['image-editor'].split.first
 160     if image_editor_binary && !File.executable?(image_editor_binary)
 161         show_popup($main_window, utf8(_("The configured image editor seems to be unavailable.
 162 You should fix this in Edit/Preferences so that you can edit photos externally.
 163
 164 Problem was: '%s' is not an executable file.
 165 Hint: don't forget to specify the full path to the executable,
 166 e.g. '/usr/bin/gimp-remote' is correct but 'gimp-remote' only is not.") % image_editor_binary), { :pos_centered => true, :not_transient => true })
 167     end
 168     browser_binary = $config['browser'].split.first
 169     if browser_binary && !File.executable?(browser_binary)
 170         show_popup($main_window, utf8(_("The configured browser seems to be unavailable.
 171 You should fix this in Edit/Preferences so that you can open URLs.
 172
 173 Problem was: '%s' is not an executable file.") % browser_binary), { :pos_centered => true, :not_transient => true })
 174     end
 175 end
 176
 177 def write_config
 178     if $config['last-opens'] && $config['last-opens'].size > 10
 179         $config['last-opens'] = $config['last-opens'][-10, 10]
 180     end
 181
 182     ios = File.open($config_file, "w")
 183     $xmldoc = Document.new "<booh-gui-rc version='#{$VERSION}'/>"
 184     $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
 185     $config.each_pair { |key, value|
 186         elem = $xmldoc.root.add_element key
 187         if value.is_a? Hash
 188             $config[key].each_pair { |subkey, subvalue|
 189                 subelem = elem.add_element subkey
 190                 subelem.add_text subvalue.to_s
 191             }
 192         elsif value.is_a? Array
 193             elem.add_text value.join('~~~')
 194         else
 195             if !value
 196                 elem.remove
 197             else
 198                 elem.add_text value.to_s
 199             end
 200         end
 201     }
 202     $xmldoc.write(ios, 0)
 203     ios.close
 204
 205     $tempfiles.each { |f|
 206         if File.exists?(f)
 207             File.delete(f)
 208         end
 209     }
 210 end
 211
 212 def set_mousecursor(what, *widget)
 213     cursor = what.nil? ? nil : Gdk::Cursor.new(what)
 214     if widget[0] && widget[0].window
 215         widget[0].window.cursor = cursor
 216     end
 217     if $main_window && $main_window.window
 218         $main_window.window.cursor = cursor
 219     end
 220     $current_cursor = what
 221 end
 222 def set_mousecursor_wait(*widget)
 223     gtk_thread_protect { set_mousecursor(Gdk::Cursor::WATCH, *widget) }
 224     if Thread.current == Thread.main
 225         Gtk.main_iteration while Gtk.events_pending?
 226     end
 227 end
 228 def set_mousecursor_normal(*widget)
 229     gtk_thread_protect { set_mousecursor($save_cursor = nil, *widget) }
 230 end
 231 def push_mousecursor_wait(*widget)
 232     if $current_cursor != Gdk::Cursor::WATCH
 233         $save_cursor = $current_cursor
 234         gtk_thread_protect { set_mousecursor_wait(*widget) }
 235     end
 236 end
 237 def pop_mousecursor(*widget)
 238     gtk_thread_protect { set_mousecursor($save_cursor || nil, *widget) }
 239 end
 240
 241 def current_dest_dir
 242     source = $xmldoc.root.attributes['source']
 243     dest = $xmldoc.root.attributes['destination']
 244     return make_dest_filename(from_utf8($current_path.sub(/^#{Regexp.quote(source)}/, dest)))
 245 end
 246
 247 def full_src_dir_to_rel(path, source)
 248     return path.sub(/^#{Regexp.quote(from_utf8(source))}/, '')
 249 end
 250
 251 def build_full_dest_filename(filename)
 252     return current_dest_dir + '/' + make_dest_filename(from_utf8(filename))
 253 end
 254
 255 def save_undo(name, closure, *params)
 256     UndoHandler.save_undo(name, closure, [ *params ])
 257     $undo_tb.sensitive = $undo_mb.sensitive = true
 258     $redo_tb.sensitive = $redo_mb.sensitive = false
 259 end
 260
 261 def view_element(filename, closures)
 262     if entry2type(filename) == 'video'
 263         cmd = from_utf8($config['video-viewer']).gsub('%f', "'#{from_utf8($current_path + '/' + filename)}'") + ' &'
 264         msg 2, cmd
 265         system(cmd)
 266         return
 267     end
 268
 269     w = create_window.set_title(filename)
 270
 271     msg 3, "filename: #{filename}"
 272     dest_img = build_full_dest_filename(filename).sub(/\.[^\.]+$/, '') + "-#{$default_size['fullscreen']}.jpg"
 273     #- typically this file won't exist in case of videos; try with the largest thumbnail around
 274     if !File.exists?(dest_img)
 275         if entry2type(filename) == 'video'
 276             alternatives = Dir[build_full_dest_filename(filename).sub(/\.[^\.]+$/, '') + '-*'].sort
 277             if not alternatives.empty?
 278                 dest_img = alternatives[-1]
 279             end
 280         else
 281             push_mousecursor_wait
 282             gen_thumbnails_element(from_utf8("#{$current_path}/#{filename}"), $xmldir, false, [ { 'filename' => dest_img, 'size' => $default_size['fullscreen'] } ])
 283             pop_mousecursor
 284             if !File.exists?(dest_img)
 285                 msg 2, _("Could not generate fullscreen thumbnail!")
 286                 return
 287                 end
 288         end
 289     end
 290     evt = Gtk::EventBox.new.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(Gtk::Frame.new.add(Gtk::Image.new(dest_img)).set_shadow_type(Gtk::SHADOW_ETCHED_OUT)))
 291     evt.signal_connect('button-press-event') { |this, event|
 292         if event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 1
 293             $config['nogestures'] or $gesture_press = { :x => event.x, :y => event.y }
 294         end
 295         if event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 3
 296             menu = Gtk::Menu.new
 297             menu.append(delete_item  = Gtk::ImageMenuItem.new(Gtk::Stock::DELETE))
 298             delete_item.signal_connect('activate') {
 299                 w.destroy
 300                 closures[:delete].call(false)
 301             }
 302             menu.show_all
 303             menu.popup(nil, nil, event.button, event.time)
 304         end
 305     }
 306     evt.signal_connect('button-release-event') { |this, event|
 307         if $gesture_press
 308             if (($gesture_press[:y]-event.y)/($gesture_press[:x]-event.x)).abs > 2 && event.y-$gesture_press[:y] > 5
 309                 msg 3, "gesture delete: click-drag right button to the bottom"
 310                 w.destroy
 311                 closures[:delete].call(false)
 312                 $statusbar.push(0, utf8(_("Mouse gesture: delete.")))
 313             end
 314         end
 315     }
 316     tooltips = Gtk::Tooltips.new
 317     tooltips.set_tip(evt, File.basename(filename).gsub(/\.jpg/, ''), nil)
 318
 319     w.signal_connect('key-press-event') { |w,event|
 320         if event.state & Gdk::Window::CONTROL_MASK != 0 && event.keyval == Gdk::Keyval::GDK_Delete
 321             w.destroy
 322             closures[:delete].call(false)
 323         end
 324     }
 325
 326     bottom = Gtk::Alignment.new(0.5, 0.5, 0, 0).add(b = Gtk::Button.new(Gtk::Stock::CLOSE))
 327     b.signal_connect('clicked') { w.destroy }
 328
 329     vb = Gtk::VBox.new
 330     vb.pack_start(evt, false, false)
 331     vb.pack_end(bottom, false, false)
 332
 333     w.add(vb)
 334     w.signal_connect('delete-event') { w.destroy }
 335     w.window_position = Gtk::Window::POS_CENTER
 336     w.show_all
 337 end
 338
 339 def scroll_upper(scrolledwindow, ypos_top)
 340     newval = scrolledwindow.vadjustment.value -
 341         ((scrolledwindow.vadjustment.value - ypos_top - 1) / scrolledwindow.vadjustment.step_increment + 1) * scrolledwindow.vadjustment.step_increment
 342     if newval < scrolledwindow.vadjustment.lower
 343         newval = scrolledwindow.vadjustment.lower
 344     end
 345     scrolledwindow.vadjustment.value = newval
 346 end
 347
 348 def scroll_lower(scrolledwindow, ypos_bottom)
 349     newval = scrolledwindow.vadjustment.value +
 350         ((ypos_bottom - (scrolledwindow.vadjustment.value + scrolledwindow.vadjustment.page_size) - 1) / scrolledwindow.vadjustment.step_increment + 1) * scrolledwindow.vadjustment.step_increment
 351     if newval > scrolledwindow.vadjustment.upper - scrolledwindow.vadjustment.page_size
 352         newval = scrolledwindow.vadjustment.upper - scrolledwindow.vadjustment.page_size
 353     end
 354     scrolledwindow.vadjustment.value = newval
 355 end
 356
 357 def autoscroll_if_needed(scrolledwindow, image, textview)
 358     #- autoscroll if cursor or image is not visible, if possible
 359     if image && image.window || textview.window
 360         ypos_top = (image && image.window) ? image.window.position[1] : textview.window.position[1]
 361         ypos_bottom = max(textview.window.position[1] + textview.window.size[1], image && image.window ? image.window.position[1] + image.window.size[1] : -1)
 362         current_miny_visible = scrolledwindow.vadjustment.value
 363         current_maxy_visible = scrolledwindow.vadjustment.value + scrolledwindow.vadjustment.page_size
 364         if ypos_top < current_miny_visible
 365             scroll_upper(scrolledwindow, ypos_top)
 366         elsif ypos_bottom > current_maxy_visible
 367             scroll_lower(scrolledwindow, ypos_bottom)
 368         end
 369     end
 370 end
 371
 372 def create_editzone(scrolledwindow, pagenum, image)
 373     frame = Gtk::Frame.new
 374     frame.add(textview = Gtk::TextView.new.set_wrap_mode(Gtk::TextTag::WRAP_WORD))
 375     frame.set_shadow_type(Gtk::SHADOW_IN)
 376     textview.signal_connect('key-press-event') { |w, event|
 377         textview.set_editable(event.keyval != Gdk::Keyval::GDK_Tab && event.keyval != Gdk::Keyval::GDK_ISO_Left_Tab)
 378         if event.keyval == Gdk::Keyval::GDK_Page_Up || event.keyval == Gdk::Keyval::GDK_Page_Down
 379             scrolledwindow.signal_emit('key-press-event', event)
 380         end
 381         if (event.keyval == Gdk::Keyval::GDK_Up || event.keyval == Gdk::Keyval::GDK_Down) &&
 382            event.state & (Gdk::Window::CONTROL_MASK | Gdk::Window::SHIFT_MASK | Gdk::Window::MOD1_MASK) == 0
 383             if event.keyval == Gdk::Keyval::GDK_Up
 384                 if scrolledwindow.vadjustment.value >= scrolledwindow.vadjustment.lower + scrolledwindow.vadjustment.step_increment
 385                     scrolledwindow.vadjustment.value -= scrolledwindow.vadjustment.step_increment
 386                 else
 387                     scrolledwindow.vadjustment.value = scrolledwindow.vadjustment.lower
 388                 end
 389             else
 390                 if scrolledwindow.vadjustment.value <= scrolledwindow.vadjustment.upper - scrolledwindow.vadjustment.step_increment - scrolledwindow.vadjustment.page_size
 391                     scrolledwindow.vadjustment.value += scrolledwindow.vadjustment.step_increment
 392                 else
 393                     scrolledwindow.vadjustment.value = scrolledwindow.vadjustment.upper - scrolledwindow.vadjustment.page_size
 394                 end
 395             end
 396         end
 397         false  #- propagate
 398     }
 399
 400     candidate_undo_text = nil
 401     textview.signal_connect('focus-in-event') { |w, event|
 402         textview.buffer.select_range(textview.buffer.get_iter_at_offset(0), textview.buffer.get_iter_at_offset(-1))
 403         candidate_undo_text = textview.buffer.text
 404         false  #- propagate
 405     }
 406
 407     textview.signal_connect('key-release-event') { |w, event|
 408         if candidate_undo_text && candidate_undo_text != textview.buffer.text
 409             $modified = true
 410             save_undo(_("text edit"),
 411                       proc { |text|
 412                           save_text = textview.buffer.text
 413                           textview.buffer.text = text
 414                           textview.grab_focus
 415                           $notebook.set_page(pagenum)
 416                           proc {
 417                               textview.buffer.text = save_text
 418                               textview.grab_focus
 419                               $notebook.set_page(pagenum)
 420                           }
 421                       }, candidate_undo_text)
 422             candidate_undo_text = nil
 423         end
 424
 425         if event.state != 0 || ![Gdk::Keyval::GDK_Page_Up, Gdk::Keyval::GDK_Page_Down, Gdk::Keyval::GDK_Up, Gdk::Keyval::GDK_Down].include?(event.keyval)
 426             autoscroll_if_needed(scrolledwindow, image, textview)
 427         end
 428         false  #- propagate
 429     }
 430
 431     return [ frame, textview ]
 432 end
 433
 434 def update_shown_pixbuf(thumbnail_img, img, desired_x, desired_y)
 435
 436     if !$modified_pixbufs[thumbnail_img]
 437         $modified_pixbufs[thumbnail_img] = { :orig => img.pixbuf }
 438     elsif !$modified_pixbufs[thumbnail_img][:orig]
 439         $modified_pixbufs[thumbnail_img][:orig] = img.pixbuf
 440     end
 441
 442     pixbuf = $modified_pixbufs[thumbnail_img][:orig].dup
 443
 444     #- rotate
 445     if $modified_pixbufs[thumbnail_img][:angle_to_orig] && $modified_pixbufs[thumbnail_img][:angle_to_orig] != 0
 446         pixbuf = rotate_pixbuf(pixbuf, $modified_pixbufs[thumbnail_img][:angle_to_orig])
 447         msg 3, "sizes: #{pixbuf.width} #{pixbuf.height} - desired #{desired_x}x#{desired_x}"
 448         if pixbuf.height > desired_y
 449             pixbuf = pixbuf.scale(pixbuf.width * (desired_y.to_f/pixbuf.height), desired_y, Gdk::Pixbuf::INTERP_BILINEAR)
 450         elsif pixbuf.width < desired_x && pixbuf.height < desired_y
 451             pixbuf = pixbuf.scale(desired_x, pixbuf.height * (desired_x.to_f/pixbuf.width), Gdk::Pixbuf::INTERP_BILINEAR)
 452         end
 453     end
 454
 455     #- fix white balance
 456     if $modified_pixbufs[thumbnail_img][:whitebalance]
 457         pixbuf.whitebalance!($modified_pixbufs[thumbnail_img][:whitebalance])
 458     end
 459
 460     #- fix gamma correction
 461     if $modified_pixbufs[thumbnail_img][:gammacorrect]
 462         pixbuf.gammacorrect!($modified_pixbufs[thumbnail_img][:gammacorrect])
 463     end
 464
 465     img.pixbuf = $modified_pixbufs[thumbnail_img][:pixbuf] = pixbuf
 466 end
 467
 468 def rotate_real(angle, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y)
 469     $modified = true
 470
 471     #- update rotate attribute
 472     new_angle = (xmlelem.attributes["#{attributes_prefix}rotate"].to_i + angle) % 360
 473     xmlelem.add_attribute("#{attributes_prefix}rotate", new_angle.to_s)
 474
 475     if $config['rotate-set-exif'] == 'true'
 476         Exif.set_orientation(from_utf8($current_path + '/' + xmlelem.attributes['filename']), angle_to_exif_orientation(new_angle))
 477     end
 478
 479     $modified_pixbufs[thumbnail_img] ||= {}
 480     $modified_pixbufs[thumbnail_img][:angle_to_orig] = (($modified_pixbufs[thumbnail_img][:angle_to_orig] || 0) + angle) % 360
 481     msg 3, "angle: #{angle}, angle to orig: #{$modified_pixbufs[thumbnail_img][:angle_to_orig]}"
 482
 483     update_shown_pixbuf(thumbnail_img, img, desired_x, desired_y)
 484 end
 485
 486 def rotate(angle, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y)
 487     $modified = true
 488
 489     rotate_real(angle, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y)
 490
 491     save_undo(angle == 90 ? _("rotate clockwise") : angle == -90 ? _("rotate counter-clockwise") : _("flip upside-down"),
 492               proc { |angle|
 493                   rotate_real(angle, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y)
 494                   $notebook.set_page(attributes_prefix != '' ? 0 : 1)
 495                   proc {
 496                       rotate_real(-angle, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y)
 497                       $notebook.set_page(0)
 498                       $notebook.set_page(attributes_prefix != '' ? 0 : 1)
 499                   }
 500               }, -angle)
 501 end
 502
 503 def color_swap(xmldir, attributes_prefix)
 504     $modified = true
 505     if xmldir.attributes["#{attributes_prefix}color-swap"]
 506         xmldir.delete_attribute("#{attributes_prefix}color-swap")
 507     else
 508         xmldir.add_attribute("#{attributes_prefix}color-swap", '1')
 509     end
 510 end
 511
 512 def enhance(xmldir, attributes_prefix)
 513     $modified = true
 514     if xmldir.attributes["#{attributes_prefix}enhance"]
 515         xmldir.delete_attribute("#{attributes_prefix}enhance")
 516     else
 517         xmldir.add_attribute("#{attributes_prefix}enhance", '1')
 518     end
 519 end
 520
 521 def change_seektime(xmldir, attributes_prefix, value)
 522     $modified = true
 523     xmldir.add_attribute("#{attributes_prefix}seektime", value)
 524 end
 525
 526 def ask_new_seektime(xmldir, attributes_prefix)
 527     if xmldir
 528         value = xmldir.attributes["#{attributes_prefix}seektime"]
 529     else
 530         value = ''
 531     end
 532
 533     dialog = Gtk::Dialog.new(utf8(_("Change seek time")),
 534                              $main_window,
 535                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
 536                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
 537                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 538
 539     lbl = Gtk::Label.new
 540     lbl.markup = utf8(
 541 _("Please specify the <b>seek time</b> of the video, to take the thumbnail
 542 from, in seconds.
 543 "))
 544     dialog.vbox.add(lbl)
 545     dialog.vbox.add(entry = Gtk::Entry.new.set_text(value || ''))
 546     entry.signal_connect('key-press-event') { |w, event|
 547         if event.keyval == Gdk::Keyval::GDK_Return
 548             dialog.response(Gtk::Dialog::RESPONSE_OK)
 549             true
 550         elsif event.keyval == Gdk::Keyval::GDK_Escape
 551             dialog.response(Gtk::Dialog::RESPONSE_CANCEL)
 552             true
 553         else
 554             false  #- propagate if needed
 555         end
 556     }
 557
 558     dialog.window_position = Gtk::Window::POS_MOUSE
 559     dialog.show_all
 560
 561     dialog.run { |response|
 562         newval = entry.text
 563         dialog.destroy
 564         if response == Gtk::Dialog::RESPONSE_OK
 565             $modified = true
 566             msg 3, "changing seektime to #{newval}"
 567             return { :old => value, :new => newval }
 568         else
 569             return nil
 570         end
 571     }
 572 end
 573
 574 def change_pano_amount(xmldir, attributes_prefix, value)
 575     $modified = true
 576     if value.nil?
 577         xmldir.delete_attribute("#{attributes_prefix}pano-amount")
 578     else
 579         xmldir.add_attribute("#{attributes_prefix}pano-amount", value.to_s)
 580     end
 581 end
 582
 583 def ask_new_pano_amount(xmldir, attributes_prefix)
 584     if xmldir
 585         value = xmldir.attributes["#{attributes_prefix}pano-amount"]
 586     else
 587         value = nil
 588     end
 589
 590     dialog = Gtk::Dialog.new(utf8(_("Specify panorama amount")),
 591                              $main_window,
 592                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
 593                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
 594                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 595
 596     lbl = Gtk::Label.new
 597     lbl.markup = utf8(
 598 _("Please specify the <b>panorama 'amount'</b> of the image, which indicates the width
 599 of this panorama image compared to other regular images. For example, if the panorama
 600 was taken out of four photos on one row, counting the necessary overlap, the width of
 601 this panorama image should probably be roughly three times the width of regular images.
 602
 603 With this information, booh will be able to generate panorama thumbnails looking
 604 the right 'size', since the height of the thumbnail for this image will be similar
 605 to the height of other thumbnails.
 606 "))
 607     dialog.vbox.add(lbl)
 608     dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(Gtk::HBox.new.add(rb_no = Gtk::RadioButton.new(utf8(_("none (not a panorama image)")))).
 609                                                                          add(rb_yes = Gtk::RadioButton.new(rb_no, utf8(_("amount of: ")))).
 610                                                                          add(spin = Gtk::SpinButton.new(1, 8, 0.1)).
 611                                                                          add(Gtk::Label.new(utf8(_("times the width of other images"))))))
 612     spin.signal_connect('value-changed') {
 613         rb_yes.active = true
 614     }
 615     dialog.window_position = Gtk::Window::POS_MOUSE
 616     dialog.show_all
 617     if value
 618         spin.value = value.to_f
 619         rb_yes.active = true
 620         spin.grab_focus
 621     else
 622         rb_no.active = true
 623     end
 624
 625     dialog.run { |response|
 626         if rb_no.active?
 627             newval = nil
 628         else
 629             newval = spin.value.to_f
 630         end
 631         dialog.destroy
 632         if response == Gtk::Dialog::RESPONSE_OK
 633             $modified = true
 634             msg 3, "changing panorama amount to #{newval}"
 635             return { :old => value, :new => newval }
 636         else
 637             return nil
 638         end
 639     }
 640 end
 641
 642 def change_whitebalance(xmlelem, attributes_prefix, value)
 643     $modified = true
 644     xmlelem.add_attribute("#{attributes_prefix}white-balance", value)
 645 end
 646
 647 def recalc_whitebalance(level, orig, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 648
 649     #- in case the white balance was already modified in the config file and thumbnail, we cannot just revert, we need to use original file
 650     if (!$modified_pixbufs[thumbnail_img] || !$modified_pixbufs[thumbnail_img][:whitebalance]) && xmlelem.attributes["#{attributes_prefix}white-balance"]
 651         save_gammacorrect = xmlelem.attributes["#{attributes_prefix}gamma-correction"]
 652         xmlelem.delete_attribute("#{attributes_prefix}gamma-correction")
 653         save_whitebalance = xmlelem.attributes["#{attributes_prefix}white-balance"]
 654         xmlelem.delete_attribute("#{attributes_prefix}white-balance")
 655         destfile = "#{thumbnail_img}-orig-gammacorrect-whitebalance.jpg"
 656         gen_real_thumbnail_core(attributes_prefix == '' ? 'element' : 'subdir', orig, destfile,
 657                                 xmlelem, attributes_prefix == '' ? $default_size['thumbnails'] : $albums_thumbnail_size, infotype)
 658         $modified_pixbufs[thumbnail_img] ||= {}
 659         $modified_pixbufs[thumbnail_img][:orig] = pixbuf_or_nil(destfile)
 660         xmlelem.add_attribute("#{attributes_prefix}white-balance", save_whitebalance)
 661         if save_gammacorrect
 662             xmlelem.add_attribute("#{attributes_prefix}gamma-correction", save_gammacorrect)
 663             $modified_pixbufs[thumbnail_img][:gammacorrect] = save_gammacorrect.to_f
 664         end
 665         $modified_pixbufs[thumbnail_img][:angle_to_orig] = 0
 666     end
 667
 668     $modified_pixbufs[thumbnail_img] ||= {}
 669     $modified_pixbufs[thumbnail_img][:whitebalance] = level.to_f
 670
 671     update_shown_pixbuf(thumbnail_img, img, desired_x, desired_y)
 672 end
 673
 674 def ask_whitebalance(orig, thumbnail_img, img_, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 675     #- init $modified_pixbufs correctly
 676 #    update_shown_pixbuf(thumbnail_img, img_, desired_x, desired_y)
 677
 678     value = xmlelem ? (xmlelem.attributes["#{attributes_prefix}white-balance"] || "0") : "0"
 679
 680     dialog = Gtk::Dialog.new(utf8(_("Fix white balance")),
 681                              $main_window,
 682                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
 683                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
 684                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 685
 686     lbl = Gtk::Label.new
 687     lbl.markup = utf8(
 688 _("You can fix the <b>white balance</b> of the image, if your image is too blue
 689 or too yellow because the recorder didn't detect the light correctly. Drag the
 690 slider below the image to the left for more blue, to the right for more yellow.
 691 "))
 692     dialog.vbox.add(lbl)
 693     if img_
 694         dialog.vbox.add(evt = Gtk::EventBox.new.add(img = Gtk::Image.new(img_.pixbuf)))
 695     end
 696     dialog.vbox.add(hs = Gtk::HScale.new(-200, 200, 1).set_value(value.to_i))
 697
 698     dialog.window_position = Gtk::Window::POS_MOUSE
 699     dialog.show_all
 700
 701     lastval = nil
 702     timeout = Gtk.timeout_add(100) {
 703         if hs.value != lastval
 704             lastval = hs.value
 705             if img_
 706                 recalc_whitebalance(lastval, orig, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 707             end
 708         end
 709         true
 710     }
 711
 712     dialog.run { |response|
 713         Gtk.timeout_remove(timeout)
 714         if response == Gtk::Dialog::RESPONSE_OK
 715             $modified = true
 716             newval = hs.value.to_s
 717             msg 3, "changing white balance to #{newval}"
 718             dialog.destroy
 719             return { :old => value, :new => newval }
 720         else
 721             if thumbnail_img
 722                 $modified_pixbufs[thumbnail_img] ||= {}
 723                 $modified_pixbufs[thumbnail_img][:whitebalance] = value.to_f
 724                 $modified_pixbufs[thumbnail_img][:pixbuf] = img_.pixbuf
 725             end
 726             dialog.destroy
 727             return nil
 728         end
 729     }
 730 end
 731
 732 def change_gammacorrect(xmlelem, attributes_prefix, value)
 733     $modified = true
 734     xmlelem.add_attribute("#{attributes_prefix}gamma-correction", value)
 735 end
 736
 737 def recalc_gammacorrect(level, orig, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 738
 739     #- in case the gamma correction was already modified in the config file and thumbnail, we cannot just revert, we need to use original file
 740     if (!$modified_pixbufs[thumbnail_img] || !$modified_pixbufs[thumbnail_img][:gammacorrect]) && xmlelem.attributes["#{attributes_prefix}gamma-correction"]
 741         save_gammacorrect = xmlelem.attributes["#{attributes_prefix}gamma-correction"]
 742         xmlelem.delete_attribute("#{attributes_prefix}gamma-correction")
 743         save_whitebalance = xmlelem.attributes["#{attributes_prefix}white-balance"]
 744         xmlelem.delete_attribute("#{attributes_prefix}white-balance")
 745         destfile = "#{thumbnail_img}-orig-gammacorrect-whitebalance.jpg"
 746         gen_real_thumbnail_core(attributes_prefix == '' ? 'element' : 'subdir', orig, destfile,
 747                                 xmlelem, attributes_prefix == '' ? $default_size['thumbnails'] : $albums_thumbnail_size, infotype)
 748         $modified_pixbufs[thumbnail_img] ||= {}
 749         $modified_pixbufs[thumbnail_img][:orig] = pixbuf_or_nil(destfile)
 750         xmlelem.add_attribute("#{attributes_prefix}gamma-correction", save_gammacorrect)
 751         if save_whitebalance
 752             xmlelem.add_attribute("#{attributes_prefix}white-balance", save_whitebalance)
 753             $modified_pixbufs[thumbnail_img][:whitebalance] = save_whitebalance.to_f
 754         end
 755         $modified_pixbufs[thumbnail_img][:angle_to_orig] = 0
 756     end
 757
 758     $modified_pixbufs[thumbnail_img] ||= {}
 759     $modified_pixbufs[thumbnail_img][:gammacorrect] = level.to_f
 760
 761     update_shown_pixbuf(thumbnail_img, img, desired_x, desired_y)
 762 end
 763
 764 def ask_gammacorrect(orig, thumbnail_img, img_, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 765     #- init $modified_pixbufs correctly
 766 #    update_shown_pixbuf(thumbnail_img, img_, desired_x, desired_y)
 767
 768     value = xmlelem ? (xmlelem.attributes["#{attributes_prefix}gamma-correction"] || "0") : "0"
 769
 770     dialog = Gtk::Dialog.new(utf8(_("Gamma correction")),
 771                              $main_window,
 772                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
 773                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
 774                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
 775
 776     lbl = Gtk::Label.new
 777     lbl.markup = utf8(
 778 _("You can perform <b>gamma correction</b> of the image, if your image is too dark
 779 or too bright. Drag the slider below the image.
 780 "))
 781     dialog.vbox.add(lbl)
 782     if img_
 783         dialog.vbox.add(evt = Gtk::EventBox.new.add(img = Gtk::Image.new(img_.pixbuf)))
 784     end
 785     dialog.vbox.add(hs = Gtk::HScale.new(-200, 200, 1).set_value(value.to_i))
 786
 787     dialog.window_position = Gtk::Window::POS_MOUSE
 788     dialog.show_all
 789
 790     lastval = nil
 791     timeout = Gtk.timeout_add(100) {
 792         if hs.value != lastval
 793             lastval = hs.value
 794             if img_
 795                 recalc_gammacorrect(lastval, orig, thumbnail_img, img, xmlelem, attributes_prefix, desired_x, desired_y, infotype)
 796             end
 797         end
 798         true
 799     }
 800
 801     dialog.run { |response|
 802         Gtk.timeout_remove(timeout)
 803         if response == Gtk::Dialog::RESPONSE_OK
 804             $modified = true
 805             newval = hs.value.to_s
 806             msg 3, "gamma correction to #{newval}"
 807             dialog.destroy
 808             return { :old => value, :new => newval }
 809         else
 810             if thumbnail_img
 811                 $modified_pixbufs[thumbnail_img] ||= {}
 812                 $modified_pixbufs[thumbnail_img][:gammacorrect] = value.to_f
 813                 $modified_pixbufs[thumbnail_img][:pixbuf] = img_.pixbuf
 814             end
 815             dialog.destroy
 816             return nil
 817         end
 818     }
 819 end
 820
 821 def gen_real_thumbnail_core(type, origfile, destfile, xmldir, size, infotype)
 822     if File.exists?(destfile)
 823         File.delete(destfile)
 824     end
 825     #- type can be 'element' or 'subdir'
 826     if type == 'element'
 827         gen_thumbnails_element(origfile, xmldir, false, [ { 'filename' => destfile, 'size' => size } ])
 828     else
 829         gen_thumbnails_subdir(origfile, xmldir, false, [ { 'filename' => destfile, 'size' => size } ], infotype)
 830     end
 831 end
 832
 833 def gen_real_thumbnail(type, origfile, destfile, xmldir, size, img, infotype)
 834     Thread.new {
 835         push_mousecursor_wait
 836         gen_real_thumbnail_core(type, origfile, destfile, xmldir, size, infotype)
 837         gtk_thread_protect {
 838             img.set(destfile)
 839             $modified_pixbufs[destfile] = { :orig => img.pixbuf, :pixbuf => img.pixbuf, :angle_to_orig => 0 }
 840         }
 841         pop_mousecursor
 842     }
 843 end
 844
 845 def popup_thumbnail_menu(event, optionals, fullpath, type, xmldir, attributes_prefix, possible_actions, closures)
 846     distribute_multiple_call = Proc.new { |action, arg|
 847         $selected_elements.each_key { |path|
 848             $name2widgets[path][:img].pixbuf = $selected_elements[path][:pixbuf]
 849         }
 850         if possible_actions[:can_multiple] && $selected_elements.length > 0
 851             UndoHandler.begin_batch
 852             $selected_elements.each_key { |k| $name2closures[k][action].call(arg) }
 853             UndoHandler.end_batch
 854         else
 855             closures[action].call(arg)
 856         end
 857         $selected_elements = {}
 858     }
 859     menu = Gtk::Menu.new
 860     if optionals.include?('change_image')
 861         menu.append(changeimg = Gtk::ImageMenuItem.new(utf8(_("Change image"))))
 862         changeimg.image = Gtk::Image.new("#{$FPATH}/images/stock-images-16.png")
 863         changeimg.signal_connect('activate') { closures[:change].call }
 864         menu.append(Gtk::SeparatorMenuItem.new)
 865     end
 866     if !possible_actions[:can_multiple] || $selected_elements.length == 0
 867         if closures[:view]
 868             if type == 'image'
 869                 menu.append(view = Gtk::ImageMenuItem.new(utf8(_("View larger"))))
 870                 view.image = Gtk::Image.new("#{$FPATH}/images/stock-view-16.png")
 871                 view.signal_connect('activate') { closures[:view].call }
 872             else
 873                 menu.append(view = Gtk::ImageMenuItem.new(utf8(_("Play video"))))
 874                 view.image = Gtk::Image.new("#{$FPATH}/images/stock-video-16.png")
 875                 view.signal_connect('activate') { closures[:view].call }
 876                 menu.append(Gtk::SeparatorMenuItem.new)
 877             end
 878         end
 879         if type == 'image' && (!possible_actions[:can_multiple] || $selected_elements.length == 0)
 880             menu.append(exif = Gtk::ImageMenuItem.new(utf8(_("View EXIF data"))))
 881             exif.image = Gtk::Image.new("#{$FPATH}/images/stock-list-16.png")
 882             exif.signal_connect('activate') { show_popup($main_window,
 883                                                          utf8(`exif -m '#{fullpath}'`),
 884                                                          { :title => utf8(_("EXIF data of %s") % File.basename(fullpath)), :nomarkup => true, :scrolled => true }) }
 885             menu.append(Gtk::SeparatorMenuItem.new)
 886         end
 887     end
 888     menu.append(r90 = Gtk::ImageMenuItem.new(utf8(_("Rotate clockwise"))))
 889     r90.image = Gtk::Image.new("#{$FPATH}/images/stock-rotate-90-16.png")
 890     r90.signal_connect('activate') { distribute_multiple_call.call(:rotate, 90) }
 891     menu.append(r270 = Gtk::ImageMenuItem.new(utf8(_("Rotate counter-clockwise"))))
 892     r270.image = Gtk::Image.new("#{$FPATH}/images/stock-rotate-270-16.png")
 893     r270.signal_connect('activate') { distribute_multiple_call.call(:rotate, -90) }
 894     if !possible_actions[:can_multiple] || $selected_elements.length == 0
 895         menu.append(Gtk::SeparatorMenuItem.new)
 896         if !possible_actions[:forbid_left]
 897             menu.append(moveleft = Gtk::ImageMenuItem.new(utf8(_("Move left"))))
 898             moveleft.image = Gtk::Image.new("#{$FPATH}/images/stock-move-left.png")
 899             moveleft.signal_connect('activate') { closures[:move].call('left') }
 900             if !possible_actions[:can_left]
 901                 moveleft.sensitive = false
 902             end
 903         end
 904         if !possible_actions[:forbid_right]
 905             menu.append(moveright = Gtk::ImageMenuItem.new(utf8(_("Move right"))))
 906             moveright.image = Gtk::Image.new("#{$FPATH}/images/stock-move-right.png")
 907             moveright.signal_connect('activate') { closures[:move].call('right') }
 908             if !possible_actions[:can_right]
 909                 moveright.sensitive = false
 910             end
 911         end
 912         if optionals.include?('move_top')
 913             menu.append(movetop = Gtk::ImageMenuItem.new(utf8(_("Move top"))))
 914             movetop.image = Gtk::Image.new("#{$FPATH}/images/move-top.png")
 915             movetop.signal_connect('activate') { closures[:move].call('top') }
 916             if !possible_actions[:can_top]
 917                 movetop.sensitive = false
 918             end
 919         end
 920         menu.append(moveup = Gtk::ImageMenuItem.new(utf8(_("Move up"))))
 921         moveup.image = Gtk::Image.new("#{$FPATH}/images/stock-move-up.png")
 922         moveup.signal_connect('activate') { closures[:move].call('up') }
 923         if !possible_actions[:can_up]
 924             moveup.sensitive = false
 925         end
 926         menu.append(movedown = Gtk::ImageMenuItem.new(utf8(_("Move down"))))
 927         movedown.image = Gtk::Image.new("#{$FPATH}/images/stock-move-down.png")
 928         movedown.signal_connect('activate') { closures[:move].call('down') }
 929         if !possible_actions[:can_down]
 930             movedown.sensitive = false
 931         end
 932         if optionals.include?('move_bottom')
 933             menu.append(movebottom = Gtk::ImageMenuItem.new(utf8(_("Move bottom"))))
 934             movebottom.image = Gtk::Image.new("#{$FPATH}/images/move-bottom.png")
 935             movebottom.signal_connect('activate') { closures[:move].call('bottom') }
 936             if !possible_actions[:can_bottom]
 937                 movebottom.sensitive = false
 938             end
 939         end
 940     end
 941     if type == 'video'
 942         if !possible_actions[:can_multiple] || $selected_elements.length == 0 || $selected_elements.reject { |k,v| $name2widgets[k][:type] == 'video' }.empty?
 943             menu.append(Gtk::SeparatorMenuItem.new)
 944 #            menu.append(color_swap = Gtk::ImageMenuItem.new(utf8(_("Red/blue color swap"))))
 945 #            color_swap.image = Gtk::Image.new("#{$FPATH}/images/stock-color-triangle-16.png")
 946 #            color_swap.signal_connect('activate') { distribute_multiple_call.call(:color_swap) }
 947             menu.append(flip = Gtk::ImageMenuItem.new(utf8(_("Flip upside-down"))))
 948             flip.image = Gtk::Image.new("#{$FPATH}/images/stock-rotate-180-16.png")
 949             flip.signal_connect('activate') { distribute_multiple_call.call(:rotate, 180) }
 950             menu.append(seektime = Gtk::ImageMenuItem.new(utf8(_("Specify seek time"))))
 951             seektime.image = Gtk::Image.new("#{$FPATH}/images/stock-video-16.png")
 952             seektime.signal_connect('activate') {
 953                 if possible_actions[:can_multiple] && $selected_elements.length > 0
 954                     if values = ask_new_seektime(nil, '')
 955                         distribute_multiple_call.call(:seektime, values)
 956                     end
 957                 else
 958                     closures[:seektime].call
 959                 end
 960             }
 961         end
 962     end
 963     menu.append(               Gtk::SeparatorMenuItem.new)
 964     menu.append(gammacorrect = Gtk::ImageMenuItem.new(utf8(_("Gamma correction"))))
 965     gammacorrect.image = Gtk::Image.new("#{$FPATH}/images/stock-tool-brightness-contrast-16.png")
 966     gammacorrect.signal_connect('activate') {
 967         if possible_actions[:can_multiple] && $selected_elements.length > 0
 968             if values = ask_gammacorrect(nil, nil, nil, nil, '', nil, nil, '')
 969                 distribute_multiple_call.call(:gammacorrect, values)
 970             end
 971         else
 972             closures[:gammacorrect].call
 973         end
 974     }
 975     menu.append(whitebalance = Gtk::ImageMenuItem.new(utf8(_("Fix white-balance"))))
 976     whitebalance.image = Gtk::Image.new("#{$FPATH}/images/stock-tool-color-balance-16.png")
 977     whitebalance.signal_connect('activate') {
 978         if possible_actions[:can_multiple] && $selected_elements.length > 0
 979             if values = ask_whitebalance(nil, nil, nil, nil, '', nil, nil, '')
 980                 distribute_multiple_call.call(:whitebalance, values)
 981             end
 982         else
 983             closures[:whitebalance].call
 984         end
 985     }
 986     if !possible_actions[:can_multiple] || $selected_elements.length == 0
 987         menu.append(enhance = Gtk::ImageMenuItem.new(utf8(xmldir.attributes["#{attributes_prefix}enhance"] ? _("Original contrast") :
 988                                                                                                              _("Enhance constrast"))))
 989     else
 990         menu.append(enhance = Gtk::ImageMenuItem.new(utf8(_("Toggle contrast enhancement"))))
 991     end
 992     enhance.image = Gtk::Image.new("#{$FPATH}/images/stock-channels-16.png")
 993     enhance.signal_connect('activate') { distribute_multiple_call.call(:enhance) }
 994     if type == 'image' && possible_actions[:can_panorama]
 995         menu.append(panorama = Gtk::ImageMenuItem.new(utf8(_("Set as panorama"))))
 996         panorama.image = Gtk::Image.new("#{$FPATH}/images/stock-images-16.png")
 997         panorama.signal_connect('activate') {
 998             if possible_actions[:can_multiple] && $selected_elements.length > 0
 999                 if values = ask_new_pano_amount(nil, '')
1000                     distribute_multiple_call.call(:pano, values)
1001                 end
1002             else
1003                 distribute_multiple_call.call(:pano)
1004             end
1005        }
1006     end
1007     menu.append(               Gtk::SeparatorMenuItem.new)
1008     if optionals.include?('delete')
1009         menu.append(cut_item     = Gtk::ImageMenuItem.new(Gtk::Stock::CUT))
1010         cut_item.signal_connect('activate') { distribute_multiple_call.call(:cut) }
1011         if !possible_actions[:can_multiple] || $selected_elements.length == 0
1012             menu.append(paste_item   = Gtk::ImageMenuItem.new(Gtk::Stock::PASTE))
1013             paste_item.signal_connect('activate') { closures[:paste].call }
1014             menu.append(clear_item   = Gtk::ImageMenuItem.new(Gtk::Stock::CLEAR))
1015             clear_item.signal_connect('activate') { $cuts = [] }
1016             if $cuts.size == 0
1017                 paste_item.sensitive = clear_item.sensitive = false
1018             end
1019         end
1020         menu.append(               Gtk::SeparatorMenuItem.new)
1021     end
1022     if type == 'image' && (! possible_actions[:can_multiple] || $selected_elements.length == 0)
1023         menu.append(editexternally = Gtk::ImageMenuItem.new(utf8(_("Edit image"))))
1024         editexternally.image = Gtk::Image.new("#{$FPATH}/images/stock-tool-ink-16.png")
1025         editexternally.signal_connect('activate') {
1026             cmd = from_utf8($config['image-editor']).gsub('%f', "'#{fullpath}'")
1027             msg 2, cmd
1028             system(cmd)
1029         }
1030     end
1031     menu.append(refresh_item = Gtk::ImageMenuItem.new(Gtk::Stock::REFRESH))
1032     refresh_item.signal_connect('activate') { distribute_multiple_call.call(:refresh) }
1033     if optionals.include?('delete')
1034         menu.append(delete_item  = Gtk::ImageMenuItem.new(Gtk::Stock::DELETE))
1035         delete_item.signal_connect('activate') { distribute_multiple_call.call(:delete) }
1036     end
1037     menu.show_all
1038     menu.popup(nil, nil, event.button, event.time)
1039 end
1040
1041 def delete_current_subalbum
1042     $modified = true
1043     sel = $albums_tv.selection.selected_rows
1044     $xmldir.elements.each { |e|
1045         if e.name == 'image' || e.name == 'video'
1046             e.add_attribute('deleted', 'true')
1047         end
1048     }
1049     #- branch if we have a non deleted subalbum
1050     if $xmldir.child_byname_notattr('dir', 'deleted')
1051         $xmldir.delete_attribute('thumbnails-caption')
1052         $xmldir.delete_attribute('thumbnails-captionfile')
1053     else
1054         $xmldir.add_attribute('deleted', 'true')
1055         moveup = $xmldir
1056         while moveup.parent.name == 'dir'
1057             moveup = moveup.parent
1058             if !moveup.child_byname_notattr('dir', 'deleted') && !moveup.child_byname_notattr('image', 'deleted') && !moveup.child_byname_notattr('video', 'deleted')
1059                 moveup.add_attribute('deleted', 'true')
1060             else
1061                 break
1062             end
1063         end
1064         sel[0].up!
1065     end
1066     save_changes('forced')
1067     populate_subalbums_treeview(false)
1068     $albums_tv.selection.select_path(sel[0])
1069 end
1070
1071 def restore_deleted
1072     $modified = true
1073     save_changes
1074     $current_path = nil  #- prevent save_changes from being rerun again
1075     sel = $albums_tv.selection.selected_rows
1076     restore_one = proc { |xmldir|
1077         xmldir.elements.each { |e|
1078             if e.name == 'dir' && e.attributes['deleted']
1079                 restore_one.call(e)
1080             end
1081             e.delete_attribute('deleted')
1082         }
1083     }
1084     restore_one.call($xmldir)
1085     populate_subalbums_treeview(false)
1086     $albums_tv.selection.select_path(sel[0])
1087 end
1088
1089 def add_thumbnail(autotable, filename, type, thumbnail_img, caption)
1090
1091     img = nil
1092     frame1 = Gtk::Frame.new
1093     fullpath = from_utf8("#{$current_path}/#{filename}")
1094
1095     my_gen_real_thumbnail = proc {
1096         gen_real_thumbnail('element', fullpath, thumbnail_img, $xmldir, $default_size['thumbnails'], img, '')
1097     }
1098
1099     if type == 'video'
1100         pxb = Gdk::Pixbuf.new("#{$FPATH}/images/video_border.png")
1101         frame1.add(Gtk::HBox.new.pack_start(da1 = Gtk::DrawingArea.new.set_size_request(pxb.width, -1), false, false).
1102                                  pack_start(img = Gtk::Image.new).
1103                                  pack_start(da2 = Gtk::DrawingArea.new.set_size_request(pxb.width, -1), false, false))
1104         px, mask = pxb.render_pixmap_and_mask(0)
1105         da1.signal_connect('realize') { da1.window.set_back_pixmap(px, false) }
1106         da2.signal_connect('realize') { da2.window.set_back_pixmap(px, false) }
1107     else
1108         frame1.add(img = Gtk::Image.new)
1109     end
1110
1111     #- generate the thumbnail if missing (if image was rotated but booh was not relaunched)
1112     if !$modified_pixbufs[thumbnail_img] && !File.exists?(thumbnail_img)
1113         my_gen_real_thumbnail.call
1114     else
1115         img.set($modified_pixbufs[thumbnail_img] ? $modified_pixbufs[thumbnail_img][:pixbuf] : thumbnail_img)
1116     end
1117
1118     evtbox = Gtk::EventBox.new.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(frame1.set_shadow_type(Gtk::SHADOW_ETCHED_OUT)))
1119
1120     tooltips = Gtk::Tooltips.new
1121     tipname = from_utf8(File.basename(filename).gsub(/\.[^\.]+$/, ''))
1122     tooltips.set_tip(evtbox, utf8(type == 'video' ? (_("%s (video - %s KB)") % [tipname, commify(file_size(fullpath)/1024)]) : tipname), nil)
1123
1124     frame2, textview = create_editzone($autotable_sw, 1, img)
1125     textview.buffer.text = caption
1126     textview.set_justification(Gtk::Justification::CENTER)
1127
1128     vbox = Gtk::VBox.new(false, 5)
1129     vbox.pack_start(evtbox, false, false)
1130     vbox.pack_start(frame2, false, false)
1131     autotable.append(vbox, filename)
1132
1133     #- to be able to grab focus of textview when retrieving vbox's position from AutoTable
1134     $vbox2widgets[vbox] = { :textview => textview, :image => img }
1135
1136     #- to be able to find widgets by name
1137     $name2widgets[filename] = { :textview => textview, :evtbox => evtbox, :vbox => vbox, :img => img, :type => type }
1138
1139     cleanup_all_thumbnails = proc {
1140         #- remove out of sync images
1141         dest_img_base = build_full_dest_filename(filename).sub(/\.[^\.]+$/, '')
1142         for sizeobj in $images_size
1143             #- cannot use sizeobj because panoramic images will have a larger width
1144             Dir.glob("#{dest_img_base}-*.jpg") do |file|
1145                 File.delete(file)
1146             end
1147         end
1148
1149     }
1150
1151     refresh = proc {
1152         cleanup_all_thumbnails.call
1153         #- refresh is not undoable and doesn't change the album, however we must regenerate all thumbnails when generating the album
1154         $modified = true
1155         $xmldir.delete_attribute('already-generated')
1156         my_gen_real_thumbnail.call
1157     }
1158
1159     rotate_and_cleanup = proc { |angle|
1160         cleanup_all_thumbnails.call
1161         rotate(angle, thumbnail_img, img, $xmldir.elements["*[@filename='#{filename}']"], '', $default_thumbnails[:x], $default_thumbnails[:y])
1162     }
1163
1164     move = proc { |direction|
1165         do_method = "move_#{direction}"
1166         undo_method = "move_" + case direction; when 'left'; 'right'; when 'right'; 'left'; when 'up'; 'down'; when 'down'; 'up' end
1167         perform = proc {
1168             done = autotable.method(do_method).call(vbox)
1169             textview.grab_focus  #- because if moving, focus is stolen
1170             done
1171         }
1172         if perform.call
1173             save_undo(_("move %s") % direction,
1174                       proc {
1175                           autotable.method(undo_method).call(vbox)
1176                           textview.grab_focus  #- because if moving, focus is stolen
1177                           autoscroll_if_needed($autotable_sw, img, textview)
1178                           $notebook.set_page(1)
1179                           proc {
1180                               autotable.method(do_method).call(vbox)
1181                               textview.grab_focus  #- because if moving, focus is stolen
1182                               autoscroll_if_needed($autotable_sw, img, textview)
1183                               $notebook.set_page(1)
1184                           }
1185                       })
1186         end
1187     }
1188
1189     color_swap_and_cleanup = proc {
1190         perform_color_swap_and_cleanup = proc {
1191             cleanup_all_thumbnails.call
1192             color_swap($xmldir.elements["*[@filename='#{filename}']"], '')
1193             my_gen_real_thumbnail.call
1194         }
1195
1196         perform_color_swap_and_cleanup.call
1197
1198         save_undo(_("color swap"),
1199                   proc {
1200                       perform_color_swap_and_cleanup.call
1201                       textview.grab_focus
1202                       autoscroll_if_needed($autotable_sw, img, textview)
1203                       $notebook.set_page(1)
1204                       proc {
1205                           perform_color_swap_and_cleanup.call
1206                           textview.grab_focus
1207                           autoscroll_if_needed($autotable_sw, img, textview)
1208                           $notebook.set_page(1)
1209                       }
1210                   })
1211     }
1212
1213     change_seektime_and_cleanup_real = proc { |values|
1214         perform_change_seektime_and_cleanup = proc { |val|
1215             cleanup_all_thumbnails.call
1216             change_seektime($xmldir.elements["*[@filename='#{filename}']"], '', val)
1217             my_gen_real_thumbnail.call
1218         }
1219         perform_change_seektime_and_cleanup.call(values[:new])
1220
1221         save_undo(_("specify seektime"),
1222                   proc {
1223                       perform_change_seektime_and_cleanup.call(values[:old])
1224                       textview.grab_focus
1225                       autoscroll_if_needed($autotable_sw, img, textview)
1226                       $notebook.set_page(1)
1227                       proc {
1228                           perform_change_seektime_and_cleanup.call(values[:new])
1229                           textview.grab_focus
1230                           autoscroll_if_needed($autotable_sw, img, textview)
1231                           $notebook.set_page(1)
1232                       }
1233                   })
1234     }
1235
1236     change_seektime_and_cleanup = proc {
1237         if values = ask_new_seektime($xmldir.elements["*[@filename='#{filename}']"], '')
1238             change_seektime_and_cleanup_real.call(values)
1239         end
1240     }
1241
1242     change_pano_amount_and_cleanup_real = proc { |values|
1243         perform_change_pano_amount_and_cleanup = proc { |val|
1244             cleanup_all_thumbnails.call
1245             change_pano_amount($xmldir.elements["*[@filename='#{filename}']"], '', val)
1246         }
1247         perform_change_pano_amount_and_cleanup.call(values[:new])
1248
1249         save_undo(_("change panorama amount"),
1250                   proc {
1251                       perform_change_pano_amount_and_cleanup.call(values[:old])
1252                       textview.grab_focus
1253                       autoscroll_if_needed($autotable_sw, img, textview)
1254                       $notebook.set_page(1)
1255                       proc {
1256                           perform_change_pano_amount_and_cleanup.call(values[:new])
1257                           textview.grab_focus
1258                           autoscroll_if_needed($autotable_sw, img, textview)
1259                           $notebook.set_page(1)
1260                       }
1261                   })
1262     }
1263
1264     change_pano_amount_and_cleanup = proc {
1265         if values = ask_new_pano_amount($xmldir.elements["*[@filename='#{filename}']"], '')
1266             change_pano_amount_and_cleanup_real.call(values)
1267         end
1268     }
1269
1270     whitebalance_and_cleanup_real = proc { |values|
1271         perform_change_whitebalance_and_cleanup = proc { |val|
1272             cleanup_all_thumbnails.call
1273             change_whitebalance($xmldir.elements["*[@filename='#{filename}']"], '', val)
1274             recalc_whitebalance(val, fullpath, thumbnail_img, img,
1275                                 $xmldir.elements["*[@filename='#{filename}']"], '', $default_thumbnails[:x], $default_thumbnails[:y], '')
1276         }
1277         perform_change_whitebalance_and_cleanup.call(values[:new])
1278
1279         save_undo(_("fix white balance"),
1280                   proc {
1281                       perform_change_whitebalance_and_cleanup.call(values[:old])
1282                       textview.grab_focus
1283                       autoscroll_if_needed($autotable_sw, img, textview)
1284                       $notebook.set_page(1)
1285                       proc {
1286                           perform_change_whitebalance_and_cleanup.call(values[:new])
1287                           textview.grab_focus
1288                           autoscroll_if_needed($autotable_sw, img, textview)
1289                           $notebook.set_page(1)
1290                       }
1291                   })
1292     }
1293
1294     whitebalance_and_cleanup = proc {
1295         if values = ask_whitebalance(fullpath, thumbnail_img, img,
1296                                      $xmldir.elements["*[@filename='#{filename}']"], '', $default_thumbnails[:x], $default_thumbnails[:y], '')
1297             whitebalance_and_cleanup_real.call(values)
1298         end
1299     }
1300
1301     gammacorrect_and_cleanup_real = proc { |values|
1302         perform_change_gammacorrect_and_cleanup = Proc.new { |val|
1303             cleanup_all_thumbnails.call
1304             change_gammacorrect($xmldir.elements["*[@filename='#{filename}']"], '', val)
1305             recalc_gammacorrect(val, fullpath, thumbnail_img, img,
1306                                 $xmldir.elements["*[@filename='#{filename}']"], '', $default_thumbnails[:x], $default_thumbnails[:y], '')
1307         }
1308         perform_change_gammacorrect_and_cleanup.call(values[:new])
1309
1310         save_undo(_("gamma correction"),
1311                   Proc.new {
1312                       perform_change_gammacorrect_and_cleanup.call(values[:old])
1313                       textview.grab_focus
1314                       autoscroll_if_needed($autotable_sw, img, textview)
1315                       $notebook.set_page(1)
1316                       Proc.new {
1317                           perform_change_gammacorrect_and_cleanup.call(values[:new])
1318                           textview.grab_focus
1319                           autoscroll_if_needed($autotable_sw, img, textview)
1320                           $notebook.set_page(1)
1321                       }
1322                   })
1323     }
1324
1325     gammacorrect_and_cleanup = Proc.new {
1326         if values = ask_gammacorrect(fullpath, thumbnail_img, img,
1327                                      $xmldir.elements["*[@filename='#{filename}']"], '', $default_thumbnails[:x], $default_thumbnails[:y], '')
1328             gammacorrect_and_cleanup_real.call(values)
1329         end
1330     }
1331
1332     enhance_and_cleanup = proc {
1333         perform_enhance_and_cleanup = proc {
1334             cleanup_all_thumbnails.call
1335             enhance($xmldir.elements["*[@filename='#{filename}']"], '')
1336             my_gen_real_thumbnail.call
1337         }
1338
1339         cleanup_all_thumbnails.call
1340         perform_enhance_and_cleanup.call
1341
1342         save_undo(_("enhance"),
1343                   proc {
1344                       perform_enhance_and_cleanup.call
1345                       textview.grab_focus
1346                       autoscroll_if_needed($autotable_sw, img, textview)
1347                       $notebook.set_page(1)
1348                       proc {
1349                           perform_enhance_and_cleanup.call
1350                           textview.grab_focus
1351                           autoscroll_if_needed($autotable_sw, img, textview)
1352                           $notebook.set_page(1)
1353                       }
1354                   })
1355     }
1356
1357     delete = proc { |isacut|
1358         if autotable.current_order.size > 1 || show_popup($main_window, utf8(_("Do you confirm this subalbum needs to be completely removed? This operation cannot be undone.")), { :okcancel => true })
1359             $modified = true
1360             after = nil
1361             perform_delete = proc {
1362                 after = autotable.get_next_widget(vbox)
1363                 if !after
1364                     after = autotable.get_previous_widget(vbox)
1365                 end
1366                 if $config['deleteondisk'] && !isacut
1367                     msg 3, "scheduling for delete: #{fullpath}"
1368                     $todelete << fullpath
1369                 end
1370                 autotable.remove_widget(vbox)
1371                 if after
1372                     $vbox2widgets[after][:textview].grab_focus
1373                     autoscroll_if_needed($autotable_sw, $vbox2widgets[after][:image], $vbox2widgets[after][:textview])
1374                 end
1375             }
1376
1377             previous_pos = autotable.get_current_number(vbox)
1378             perform_delete.call
1379
1380             if !after
1381                 delete_current_subalbum
1382             else
1383                 save_undo(_("delete"),
1384                           proc { |pos|
1385                               autotable.reinsert(pos, vbox, filename)
1386                               $notebook.set_page(1)
1387                               autotable.queue_draws << proc { textview.grab_focus; autoscroll_if_needed($autotable_sw, img, textview) }
1388                               $cuts = []
1389                               msg 3, "removing deletion schedule of: #{fullpath}"
1390                               $todelete.delete(fullpath)  #- unconditional because deleteondisk option could have been modified
1391                               proc {
1392                                   perform_delete.call
1393                                   $notebook.set_page(1)
1394                               }
1395                           }, previous_pos)
1396             end
1397         end
1398     }
1399
1400     cut = proc {
1401         delete.call(true)
1402         $cuts << { :vbox => vbox, :filename => filename }
1403         $statusbar.push(0, utf8(_("%s elements in the clipboard.") % $cuts.size ))
1404     }
1405     paste = proc {
1406         if $cuts.size > 0
1407             $cuts.each { |elem|
1408                 autotable.reinsert(autotable.get_current_number(vbox), elem[:vbox], elem[:filename])
1409             }
1410             last = $cuts[-1]
1411             autotable.queue_draws << proc {
1412                 $vbox2widgets[last[:vbox]][:textview].grab_focus
1413                 autoscroll_if_needed($autotable_sw, $vbox2widgets[last[:vbox]][:image], $vbox2widgets[last[:vbox]][:textview])
1414             }
1415             save_undo(_("paste"),
1416                       proc { |cuts|
1417                           cuts.each { |elem| autotable.remove_widget(elem[:vbox]) }
1418                           $notebook.set_page(1)
1419                           proc {
1420                               cuts.each { |elem|
1421                                   autotable.reinsert(autotable.get_current_number(vbox), elem[:vbox], elem[:filename])
1422                               }
1423                               $notebook.set_page(1)
1424                           }
1425                       }, $cuts)
1426             $statusbar.push(0, utf8(_("Pasted %s elements.") % $cuts.size ))
1427             $cuts = []
1428         end
1429     }
1430
1431     $name2closures[filename] = { :rotate => rotate_and_cleanup, :enhance => enhance_and_cleanup, :delete => delete, :cut => cut,
1432                                  :color_swap => color_swap_and_cleanup, :seektime => change_seektime_and_cleanup_real,
1433                                  :whitebalance => whitebalance_and_cleanup_real, :gammacorrect => gammacorrect_and_cleanup_real,
1434                                  :pano => change_pano_amount_and_cleanup_real, :refresh => refresh }
1435
1436     textview.signal_connect('key-press-event') { |w, event|
1437         propagate = true
1438         if event.state != 0
1439             x, y = autotable.get_current_pos(vbox)
1440             control_pressed = event.state & Gdk::Window::CONTROL_MASK != 0
1441             shift_pressed = event.state & Gdk::Window::SHIFT_MASK != 0
1442             alt_pressed = event.state & Gdk::Window::MOD1_MASK != 0
1443             if event.keyval == Gdk::Keyval::GDK_Up && y > 0
1444                 if control_pressed
1445                     if widget_up = autotable.get_widget_at_pos(x, y - 1)
1446                         $vbox2widgets[widget_up][:textview].grab_focus
1447                     end
1448                 end
1449                 if shift_pressed
1450                     move.call('up')
1451                 end
1452             end
1453             if event.keyval == Gdk::Keyval::GDK_Down && y < autotable.get_max_y
1454                 if control_pressed
1455                     if widget_down = autotable.get_widget_at_pos(x, y + 1)
1456                         $vbox2widgets[widget_down][:textview].grab_focus
1457                     end
1458                 end
1459                 if shift_pressed
1460                     move.call('down')
1461                 end
1462             end
1463             if event.keyval == Gdk::Keyval::GDK_Left
1464                 if x > 0
1465                     if control_pressed
1466                         $vbox2widgets[autotable.get_previous_widget(vbox)][:textview].grab_focus
1467                     end
1468                     if shift_pressed
1469                         move.call('left')
1470                     end
1471                 end
1472                 if alt_pressed
1473                     rotate_and_cleanup.call(-90)
1474                 end
1475             end
1476             if event.keyval == Gdk::Keyval::GDK_Right
1477                 next_ = autotable.get_next_widget(vbox)
1478                 if next_ && autotable.get_current_pos(next_)[0] > x
1479                     if control_pressed
1480                         $vbox2widgets[next_][:textview].grab_focus
1481                     end
1482                     if shift_pressed
1483                         move.call('right')
1484                     end
1485                 end
1486                 if alt_pressed
1487                     rotate_and_cleanup.call(90)
1488                 end
1489             end
1490             if event.keyval == Gdk::Keyval::GDK_Delete && control_pressed
1491                 delete.call(false)
1492             end
1493             if event.keyval == Gdk::Keyval::GDK_Return && control_pressed
1494                 view_element(filename, { :delete => delete })
1495                 propagate = false
1496             end
1497             if event.keyval == Gdk::Keyval::GDK_z && control_pressed
1498                 perform_undo
1499             end
1500             if event.keyval == Gdk::Keyval::GDK_r && control_pressed
1501                 perform_redo
1502             end
1503         end
1504         !propagate  #- propagate if needed
1505     }
1506
1507     $ignore_next_release = false
1508     evtbox.signal_connect('button-press-event') { |w, event|
1509         if event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 1
1510             if event.state & Gdk::Window::BUTTON3_MASK != 0
1511                 #- gesture redo: hold right mouse button then click left mouse button
1512                 $config['nogestures'] or perform_redo
1513                 $ignore_next_release = true
1514             else
1515                 shift_or_control = event.state & Gdk::Window::SHIFT_MASK != 0 || event.state & Gdk::Window::CONTROL_MASK != 0
1516                 if $r90.active?
1517                     rotate_and_cleanup.call(shift_or_control ? -90 : 90)
1518                 elsif $r270.active?
1519                     rotate_and_cleanup.call(shift_or_control ? 90 : -90)
1520                 elsif $enhance.active?
1521                     enhance_and_cleanup.call
1522                 elsif $delete.active?
1523                     delete.call(false)
1524                 else
1525                     textview.grab_focus
1526                     $config['nogestures'] or $gesture_press = { :filename => filename, :x => event.x, :y => event.y }
1527                 end
1528             end
1529             $button1_pressed_autotable = true
1530         elsif event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 3
1531             if event.state & Gdk::Window::BUTTON1_MASK != 0
1532                 #- gesture undo: hold left mouse button then click right mouse button
1533                 $config['nogestures'] or perform_undo
1534                 $ignore_next_release = true
1535             end
1536         elsif event.event_type == Gdk::Event::BUTTON2_PRESS && event.button == 1
1537             view_element(filename, { :delete => delete })
1538         end
1539         false   #- propagate
1540     }
1541
1542     evtbox.signal_connect('button-release-event') { |w, event|
1543         if event.event_type == Gdk::Event::BUTTON_RELEASE && event.button == 3
1544             if !$ignore_next_release
1545                 x, y = autotable.get_current_pos(vbox)
1546                 next_ = autotable.get_next_widget(vbox)
1547                 popup_thumbnail_menu(event, ['delete'], fullpath, type, $xmldir.elements["*[@filename='#{filename}']"], '',
1548                                      { :can_left => x > 0, :can_right => next_ && autotable.get_current_pos(next_)[0] > x,
1549                                        :can_up => y > 0, :can_down => y < autotable.get_max_y, :can_multiple => true, :can_panorama => true },
1550                                      { :rotate => rotate_and_cleanup, :move => move, :color_swap => color_swap_and_cleanup, :enhance => enhance_and_cleanup,
1551                                        :seektime => change_seektime_and_cleanup, :delete => delete, :whitebalance => whitebalance_and_cleanup,
1552                                        :cut => cut, :paste => paste, :view => proc { view_element(filename, { :delete => delete }) },
1553                                        :pano => change_pano_amount_and_cleanup, :refresh => refresh, :gammacorrect => gammacorrect_and_cleanup })
1554             end
1555             $ignore_next_release = false
1556             $gesture_press = nil
1557         end
1558         false   #- propagate
1559     }
1560
1561     #- handle reordering with drag and drop
1562     Gtk::Drag.source_set(vbox, Gdk::Window::BUTTON1_MASK, [['reorder-elements', Gtk::Drag::TARGET_SAME_APP, 1]], Gdk::DragContext::ACTION_MOVE)
1563     Gtk::Drag.dest_set(vbox, Gtk::Drag::DEST_DEFAULT_ALL, [['reorder-elements', Gtk::Drag::TARGET_SAME_APP, 1]], Gdk::DragContext::ACTION_MOVE)
1564     vbox.signal_connect('drag-data-get') { |w, ctxt, selection_data, info, time|
1565         selection_data.set(Gdk::Selection::TYPE_STRING, autotable.get_current_number(vbox).to_s)
1566     }
1567
1568     vbox.signal_connect('drag-data-received') { |w, ctxt, x, y, selection_data, info, time|
1569         done = false
1570         #- mouse gesture first (dnd disables button-release-event)
1571         if $gesture_press && $gesture_press[:filename] == filename
1572             if (($gesture_press[:x]-x)/($gesture_press[:y]-y)).abs > 2 && ($gesture_press[:x]-x).abs > 5
1573                 angle = x-$gesture_press[:x] > 0 ? 90 : -90
1574                 msg 3, "gesture rotate: #{angle}: click-drag right button to the left/right"
1575                 rotate_and_cleanup.call(angle)
1576                 $statusbar.push(0, utf8(_("Mouse gesture: rotate.")))
1577                 done = true
1578             elsif (($gesture_press[:y]-y)/($gesture_press[:x]-x)).abs > 2 && y-$gesture_press[:y] > 5
1579                 msg 3, "gesture delete: click-drag right button to the bottom"
1580                 delete.call(false)
1581                 $statusbar.push(0, utf8(_("Mouse gesture: delete.")))
1582                 done = true
1583             end
1584         end
1585         if !done
1586             ctxt.targets.each { |target|
1587                 if target.name == 'reorder-elements'
1588                     move_dnd = proc { |from,to|
1589                         if from != to
1590                             $modified = true
1591                             autotable.move(from, to)
1592                             save_undo(_("reorder"),
1593                                       proc { |from, to|
1594                                           if to > from
1595                                               autotable.move(to - 1, from)
1596                                           else
1597                                               autotable.move(to, from + 1)
1598                                           end
1599                                           $notebook.set_page(1)
1600                                           proc {
1601                                               autotable.move(from, to)
1602                                               $notebook.set_page(1)
1603                                           }
1604                                       }, from, to)
1605                         end
1606                     }
1607                     if $multiple_dnd.size == 0
1608                         move_dnd.call(selection_data.data.to_i,
1609                                       autotable.get_current_number(vbox))
1610                     else
1611                         UndoHandler.begin_batch
1612                         $multiple_dnd.sort { |a,b| autotable.get_current_number($name2widgets[a][:vbox]) <=> autotable.get_current_number($name2widgets[b][:vbox]) }.
1613                                       each { |path|
1614                             #- need to update current position between each call
1615                             move_dnd.call(autotable.get_current_number($name2widgets[path][:vbox]),
1616                                           autotable.get_current_number(vbox))
1617                         }
1618                         UndoHandler.end_batch
1619                     end
1620                     $multiple_dnd = []
1621                 end
1622             }
1623         end
1624     }
1625
1626     vbox.show_all
1627 end
1628
1629 def create_auto_table
1630
1631     $autotable = Gtk::AutoTable.new(5)
1632
1633     $autotable_sw = Gtk::ScrolledWindow.new(nil, nil)
1634     thumbnails_vb = Gtk::VBox.new(false, 5)
1635
1636     frame, $thumbnails_title = create_editzone($autotable_sw, 0, nil)
1637     $thumbnails_title.set_justification(Gtk::Justification::CENTER)
1638     thumbnails_vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0.5, 0).add(frame), false, false)
1639     thumbnails_vb.add($autotable)
1640
1641     $autotable_sw.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_ALWAYS)
1642     $autotable_sw.add_with_viewport(thumbnails_vb)
1643
1644     #- follows stuff for handling multiple elements selection
1645     press_x = nil; press_y = nil; pos_x = nil; pos_y = nil; $selected_elements = {}
1646     gc = nil
1647     update_selected = proc {
1648         $autotable.current_order.each { |path|
1649             w = $name2widgets[path][:evtbox].window
1650             xm = w.position[0] + w.size[0]/2
1651             ym = w.position[1] + w.size[1]/2
1652             if ym < press_y && ym > pos_y || ym < pos_y && ym > press_y
1653                 if (xm < press_x && xm > pos_x || xm < pos_x && xm > press_x) && ! $selected_elements[path]
1654                     $selected_elements[path] = { :pixbuf => $name2widgets[path][:img].pixbuf }
1655                     $name2widgets[path][:img].pixbuf = $name2widgets[path][:img].pixbuf.saturate_and_pixelate(1, true)
1656                 end
1657             end
1658             if $selected_elements[path] && ! $selected_elements[path][:keep]
1659                 if ((xm < press_x && xm < pos_x || xm > pos_x && xm > press_x) || (ym < press_y && ym < pos_y || ym > pos_y && ym > press_y))
1660                     $name2widgets[path][:img].pixbuf = $selected_elements[path][:pixbuf]
1661                     $selected_elements.delete(path)
1662                 end
1663             end
1664         }
1665     }
1666     $autotable.signal_connect('realize') { |w,e|
1667         gc = Gdk::GC.new($autotable.window)
1668         gc.set_line_attributes(1, Gdk::GC::LINE_ON_OFF_DASH, Gdk::GC::CAP_PROJECTING, Gdk::GC::JOIN_ROUND)
1669         gc.function = Gdk::GC::INVERT
1670         #- autoscroll handling for DND and multiple selections
1671         Gtk.timeout_add(100) {
1672             if ! $autotable.window.nil?
1673                 w, x, y, mask = $autotable.window.pointer
1674                 if mask & Gdk::Window::BUTTON1_MASK != 0
1675                     if y < $autotable_sw.vadjustment.value
1676                         if pos_x
1677                             $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1678                         end
1679                         if $button1_pressed_autotable || press_x
1680                             scroll_upper($autotable_sw, y)
1681                         end
1682                         if not press_x.nil?
1683                             w, pos_x, pos_y = $autotable.window.pointer
1684                             $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1685                             update_selected.call
1686                         end
1687                     end
1688                     if y > $autotable_sw.vadjustment.value + $autotable_sw.vadjustment.page_size
1689                         if pos_x
1690                             $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1691                         end
1692                         if $button1_pressed_autotable || press_x
1693                             scroll_lower($autotable_sw, y)
1694                         end
1695                         if not press_x.nil?
1696                             w, pos_x, pos_y = $autotable.window.pointer
1697                             $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1698                             update_selected.call
1699                         end
1700                     end
1701                 end
1702             end
1703             ! $autotable.window.nil?
1704         }
1705     }
1706
1707     $autotable.signal_connect('button-press-event') { |w,e|
1708         if e.button == 1
1709             if !$button1_pressed_autotable
1710                 press_x = e.x
1711                 press_y = e.y
1712                 if e.state & Gdk::Window::SHIFT_MASK == 0
1713                     $selected_elements.each_key { |path| $name2widgets[path][:img].pixbuf = $selected_elements[path][:pixbuf] }
1714                     $selected_elements = {}
1715                     $statusbar.push(0, utf8(_("Nothing selected.")))
1716                 else
1717                     $selected_elements.each_key { |path| $selected_elements[path][:keep] = true }
1718                 end
1719                 set_mousecursor(Gdk::Cursor::TCROSS)
1720             end
1721         end
1722     }
1723     $autotable.signal_connect('button-release-event') { |w,e|
1724         if e.button == 1
1725             if $button1_pressed_autotable
1726                 #- unselect all only now
1727                 $multiple_dnd = $selected_elements.keys
1728                 $selected_elements.each_key { |path| $name2widgets[path][:img].pixbuf = $selected_elements[path][:pixbuf] }
1729                 $selected_elements = {}
1730                 $button1_pressed_autotable = false
1731             else
1732                 if pos_x
1733                     $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1734                     if $selected_elements.length > 0
1735                         $statusbar.push(0, utf8(_("%s elements selected.") % $selected_elements.length))
1736                     end
1737                 end
1738                 press_x = press_y = pos_x = pos_y = nil
1739                 set_mousecursor(Gdk::Cursor::LEFT_PTR)
1740             end
1741         end
1742     }
1743     $autotable.signal_connect('motion-notify-event') { |w,e|
1744         if ! press_x.nil?
1745             if pos_x
1746                 $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1747             end
1748             pos_x = e.x
1749             pos_y = e.y
1750             $autotable.window.draw_lines(gc, [[press_x, press_y], [pos_x, press_y], [pos_x, pos_y], [press_x, pos_y], [press_x, press_y]])
1751             update_selected.call
1752         end
1753     }
1754
1755 end
1756
1757 def create_subalbums_page
1758
1759     subalbums_hb = Gtk::HBox.new
1760     $subalbums_vb = Gtk::VBox.new(false, 5)
1761     subalbums_hb.pack_start($subalbums_vb, false, false)
1762     $subalbums_sw = Gtk::ScrolledWindow.new(nil, nil)
1763     $subalbums_sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
1764     $subalbums_sw.add_with_viewport(subalbums_hb)
1765 end
1766
1767 def save_current_file
1768     save_changes
1769
1770     if $filename
1771         begin
1772             begin
1773                 ios = File.open($filename, "w")
1774                 $xmldoc.write(ios, 0)
1775                 ios.close
1776             rescue Iconv::IllegalSequence
1777                 #- user might have entered text which cannot be encoded in his default encoding. retry in UTF-8.
1778                 if ! ios.nil? && ! ios.closed?
1779                     ios.close
1780                 end
1781                 $xmldoc.xml_decl.encoding = 'UTF-8'
1782                 ios = File.open($filename, "w")
1783                 $xmldoc.write(ios, 0)
1784                 ios.close
1785             end
1786             return true
1787         rescue Exception
1788             puts $!
1789             return false
1790         end
1791     end
1792 end
1793
1794 def save_current_file_user
1795     save_tempfilename = $filename
1796     $filename = $orig_filename
1797     if ! save_current_file
1798         show_popup($main_window, utf8(_("Save failed! Try another location/name.")))
1799         $filename = save_tempfilename
1800         return
1801     end
1802     $modified = false
1803     $generated_outofline = false
1804     $filename = save_tempfilename
1805
1806     msg 3, "performing actual deletion of: " + $todelete.join(', ')
1807     $todelete.each { |f|
1808         File.delete(f)
1809     }
1810 end
1811
1812 def mark_document_as_dirty
1813     $xmldoc.elements.each('//dir') { |elem|
1814         elem.delete_attribute('already-generated')
1815     }
1816 end
1817
1818 #- ret: true => ok  false => cancel
1819 def ask_save_modifications(msg1, msg2, *options)
1820     ret = true
1821     options = options.size > 0 ? options[0] : {}
1822     if $modified
1823         if options[:disallow_cancel]
1824             dialog = Gtk::Dialog.new(msg1,
1825                                      $main_window,
1826                                      Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1827                                      [options[:no] || Gtk::Stock::CLOSE, Gtk::Dialog::RESPONSE_NO],
1828                                      [options[:yes] || Gtk::Stock::SAVE, Gtk::Dialog::RESPONSE_YES])
1829         else
1830             dialog = Gtk::Dialog.new(msg1,
1831                                      $main_window,
1832                                      Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
1833                                      [options[:cancel] || Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL],
1834                                      [options[:no] || Gtk::Stock::CLOSE, Gtk::Dialog::RESPONSE_NO],
1835                                      [options[:yes] || Gtk::Stock::SAVE, Gtk::Dialog::RESPONSE_YES])
1836         end
1837         dialog.default_response = Gtk::Dialog::RESPONSE_YES
1838         dialog.vbox.add(Gtk::Label.new(msg2))
1839         dialog.window_position = Gtk::Window::POS_CENTER
1840         dialog.show_all
1841
1842         dialog.run { |response|
1843             dialog.destroy
1844             if response == Gtk::Dialog::RESPONSE_YES
1845                 if ! save_current_file_user
1846                     return ask_save_modifications(msg1, msg2, options)
1847                 end
1848             else
1849                 #- if we have generated an album but won't save modifications, we must remove
1850                 #- already-generated markers in original file
1851                 if $generated_outofline
1852                     begin
1853                         $xmldoc = REXML::Document.new File.new($orig_filename)
1854                         mark_document_as_dirty
1855                         ios = File.open($orig_filename, "w")
1856                         $xmldoc.write(ios, 0)
1857                         ios.close
1858                     rescue Exception
1859                         puts "exception: #{$!}"
1860                     end
1861                 end
1862             end
1863             if response == Gtk::Dialog::RESPONSE_CANCEL
1864                 ret = false
1865             end
1866             $todelete = []  #- unconditionally clear the list of images/videos to delete
1867         }
1868     end
1869     return ret
1870 end
1871
1872 def try_quit(*options)
1873     if ask_save_modifications(utf8(_("Save before quitting?")),
1874                               utf8(_("Do you want to save your changes before quitting?")),
1875                               *options)
1876         Gtk.main_quit
1877     end
1878 end
1879
1880 def show_popup(parent, msg, *options)
1881     dialog = Gtk::Dialog.new
1882     if options[0] && options[0][:title]
1883         dialog.title = options[0][:title]
1884     else
1885         dialog.title = utf8(_("Booh message"))
1886     end
1887     lbl = Gtk::Label.new
1888     if options[0] && options[0][:nomarkup]
1889         lbl.text = msg
1890     else
1891         lbl.markup = msg
1892     end
1893     if options[0] && options[0][:centered]
1894         lbl.set_justify(Gtk::Justification::CENTER)
1895     end
1896     if options[0] && options[0][:selectable]
1897         lbl.selectable = true
1898     end
1899     if options[0] && options[0][:topwidget]
1900         dialog.vbox.add(options[0][:topwidget])
1901     end
1902     if options[0] && options[0][:scrolled]
1903         sw = Gtk::ScrolledWindow.new(nil, nil)
1904         sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)
1905         sw.add_with_viewport(lbl)
1906         dialog.vbox.add(sw)
1907         dialog.set_default_size(500, 600)
1908     else
1909         dialog.vbox.add(lbl)
1910         dialog.set_default_size(200, 120)
1911     end
1912     if options[0] && options[0][:okcancel]
1913         dialog.add_button(Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL)
1914     end
1915     dialog.add_button(Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK)
1916
1917     if options[0] && options[0][:pos_centered]
1918         dialog.window_position = Gtk::Window::POS_CENTER
1919     else
1920         dialog.window_position = Gtk::Window::POS_MOUSE
1921     end
1922
1923     if options[0] && options[0][:linkurl]
1924         linkbut = Gtk::Button.new('')
1925         linkbut.child.markup = "<span foreground=\"#00000000FFFF\" underline=\"single\">#{options[0][:linkurl]}</span>"
1926         linkbut.signal_connect('clicked') {
1927             open_url(options[0][:linkurl])
1928             dialog.response(Gtk::Dialog::RESPONSE_OK)
1929             set_mousecursor_normal
1930         }
1931         linkbut.relief = Gtk::RELIEF_NONE
1932         linkbut.signal_connect('enter-notify-event') { set_mousecursor(Gdk::Cursor::HAND2, linkbut); false }
1933         linkbut.signal_connect('leave-notify-event') { set_mousecursor(nil, linkbut); false }
1934         dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(linkbut))
1935     end
1936
1937     dialog.show_all
1938
1939     if !options[0] || !options[0][:not_transient]
1940         dialog.transient_for = parent
1941         dialog.run { |response|
1942             dialog.destroy
1943             if options[0] && options[0][:okcancel]
1944                 return response == Gtk::Dialog::RESPONSE_OK
1945             end
1946         }
1947     else
1948         dialog.signal_connect('response') { dialog.destroy }
1949     end
1950 end
1951
1952 def set_mainwindow_title(progress)
1953     filename = $orig_filename || $filename
1954     if progress
1955         if filename
1956             $main_window.title = 'booh [' + (progress * 100).to_i.to_s + '%] - ' + File.basename(filename)
1957         else
1958             $main_window.title = 'booh [' + (progress * 100).to_i.to_s + '%] '
1959         end
1960     else
1961         if filename
1962             $main_window.title = 'booh - ' + File.basename(filename)
1963         else
1964             $main_window.title = 'booh'
1965         end
1966     end
1967 end
1968
1969 def backend_wait_message(parent, msg, infopipe_path, mode)
1970     w = create_window
1971     w.set_transient_for(parent)
1972     w.modal = true
1973
1974     vb = Gtk::VBox.new(false, 5).set_border_width(5)
1975     vb.pack_start(Gtk::Label.new(msg), false, false)
1976
1977     vb.pack_start(frame1 = Gtk::Frame.new(utf8(_("Thumbnails"))).add(vb1 = Gtk::VBox.new(false, 5)))
1978     vb1.pack_start(pb1_1 = Gtk::ProgressBar.new.set_text(utf8(_("Scanning photos and videos..."))), false, false)
1979     if mode != 'one dir scan'
1980         vb1.pack_start(pb1_2 = Gtk::ProgressBar.new.set_text(utf8(_("not started"))), false, false)
1981     end
1982     if mode == 'web-album'
1983         vb.pack_start(frame2 = Gtk::Frame.new(utf8(_("HTML pages"))).add(vb1 = Gtk::VBox.new(false, 5)))
1984         vb1.pack_start(pb2 = Gtk::ProgressBar.new.set_text(utf8(_("not started"))), false, false)
1985     end
1986     vb.pack_start(Gtk::HSeparator.new, false, false)
1987
1988     bottom = Gtk::Alignment.new(0.5, 0.5, 0, 0).add(b = Gtk::Button.new(utf8(_("_Abort"))))
1989     b.image = Gtk::Image.new("#{$FPATH}/images/stock-close-24.png")
1990     vb.pack_end(bottom, false, false)
1991
1992     directories = nil
1993     update_progression_title_pb1 = proc {
1994         if mode == 'web-album'
1995             set_mainwindow_title((pb1_2.fraction + pb1_1.fraction / directories) * 9 / 10)
1996         elsif mode != 'one dir scan'
1997             set_mainwindow_title(pb1_2.fraction + pb1_1.fraction / directories)
1998         else
1999             set_mainwindow_title(pb1_1.fraction)
2000         end
2001     }
2002
2003     infopipe = File.open(infopipe_path, File::RDONLY | File::NONBLOCK)
2004     refresh_thread = Thread.new {
2005         directories_counter = 0
2006         while line = infopipe.gets
2007             if line =~ /^directories: (\d+), sizes: (\d+)/
2008                 directories = $1.to_f + 1
2009                 sizes = $2.to_f
2010             elsif line =~ /^walking: (.+)\|(.+), (\d+) elements$/
2011                 elements = $3.to_f + 1
2012                 if mode == 'web-album'
2013                     elements += sizes
2014                 end
2015                 element_counter = 0
2016                 gtk_thread_protect { pb1_1.fraction = 0 }
2017                 if mode != 'one dir scan'
2018                     newtext = utf8(full_src_dir_to_rel($1, $2))
2019                     newtext = '/' if newtext == ''
2020                     gtk_thread_protect { pb1_2.text = newtext }
2021                     directories_counter += 1
2022                     gtk_thread_protect {
2023                         pb1_2.fraction = directories_counter / directories
2024                         update_progression_title_pb1.call
2025                     }
2026                 end
2027             elsif line =~ /^processing element$/
2028                 element_counter += 1
2029                 gtk_thread_protect {
2030                     pb1_1.fraction = element_counter / elements
2031                     update_progression_title_pb1.call
2032                 }
2033             elsif line =~ /^processing size$/
2034                 element_counter += 1
2035                 gtk_thread_protect {
2036                     pb1_1.fraction = element_counter / elements
2037                     update_progression_title_pb1.call
2038                 }
2039             elsif line =~ /^finished processing sizes$/
2040                 gtk_thread_protect { pb1_1.fraction = 1 }
2041             elsif line =~ /^creating index.html$/
2042                 gtk_thread_protect { pb1_2.text = utf8(_("finished")) }
2043                 gtk_thread_protect { pb1_1.fraction = pb1_2.fraction = 1 }
2044                 directories_counter = 0
2045             elsif line =~ /^index.html: (.+)\|(.+)/
2046                 newtext = utf8(full_src_dir_to_rel($1, $2))
2047                 newtext = '/' if newtext == ''
2048                 gtk_thread_protect { pb2.text = newtext }
2049                 directories_counter += 1
2050                 gtk_thread_protect {
2051                     pb2.fraction = directories_counter / directories
2052                     set_mainwindow_title(0.9 + pb2.fraction / 10)
2053                 }
2054             elsif line =~ /^die: (.*)$/
2055                 $diemsg = $1
2056             end
2057         end
2058     }
2059
2060     w.add(vb)
2061     w.signal_connect('delete-event') { w.destroy }
2062     w.signal_connect('destroy') {
2063         Thread.kill(refresh_thread)
2064         gtk_thread_flush  #- needed because we're about to destroy widgets in w, for which they may be some pending gtk calls
2065         if infopipe_path
2066             infopipe.close
2067             File.delete(infopipe_path)
2068         end
2069         set_mainwindow_title(nil)
2070     }
2071     w.window_position = Gtk::Window::POS_CENTER
2072     w.show_all
2073
2074     return [ b, w ]
2075 end
2076
2077 def call_backend(cmd, waitmsg, mode, params)
2078     pipe = Tempfile.new("boohpipe")
2079     Thread.critical = true
2080     pipe.close!
2081     system("mkfifo #{pipe.path}")
2082     Thread.critical = false
2083     cmd += " --info-pipe #{pipe.path}"
2084     button, w8 = backend_wait_message($main_window, waitmsg, pipe.path, mode)
2085     pid = nil
2086     Thread.new {
2087         msg 2, cmd
2088         if pid = fork
2089             id, exitstatus = Process.waitpid2(pid)
2090             gtk_thread_protect { w8.destroy }
2091             if exitstatus == 0
2092                 if params[:successmsg]
2093                     gtk_thread_protect { show_popup($main_window, params[:successmsg], { :linkurl => params[:successmsg_linkurl] }) }
2094                 end
2095                 if params[:closure_after]
2096                     gtk_thread_protect(&params[:closure_after])
2097                 end
2098             elsif exitstatus == 15
2099                 #- say nothing, user aborted
2100             else
2101                 gtk_thread_protect { show_popup($main_window,
2102                                                 utf8(_("There was something wrong, sorry:\n\n%s") % $diemsg)) }
2103             end
2104         else
2105             exec(cmd)
2106         end
2107     }
2108     button.signal_connect('clicked') {
2109         Process.kill('SIGTERM', pid)
2110     }
2111 end
2112
2113 def save_changes(*forced)
2114     if forced.empty? && (!$current_path || !$undo_tb.sensitive?)
2115         return
2116     end
2117
2118     $xmldir.delete_attribute('already-generated')
2119
2120     propagate_children = proc { |xmldir|
2121         if xmldir.attributes['subdirs-caption']
2122             xmldir.delete_attribute('already-generated')
2123         end
2124         xmldir.elements.each('dir') { |element|
2125             propagate_children.call(element)
2126         }
2127     }
2128
2129     if $xmldir.child_byname_notattr('dir', 'deleted')
2130         new_title = $subalbums_title.buffer.text
2131         if new_title != $xmldir.attributes['subdirs-caption']
2132             parent = $xmldir.parent
2133             if parent.name == 'dir'
2134                 parent.delete_attribute('already-generated')
2135             end
2136             propagate_children.call($xmldir)
2137         end
2138         $xmldir.add_attribute('subdirs-caption', new_title)
2139         $xmldir.elements.each('dir') { |element|
2140             if !element.attributes['deleted']
2141                 path = element.attributes['path']
2142                 newtext = $subalbums_edits[path][:editzone].buffer.text
2143                 if element.attributes['subdirs-caption']
2144                     if element.attributes['subdirs-caption'] != newtext
2145                         propagate_children.call(element)
2146                     end
2147                     element.add_attribute('subdirs-caption',     newtext)
2148                     element.add_attribute('subdirs-captionfile', utf8($subalbums_edits[path][:captionfile]))
2149                 else
2150                     if element.attributes['thumbnails-caption'] != newtext
2151                         element.delete_attribute('already-generated')
2152                     end
2153                     element.add_attribute('thumbnails-caption',     newtext)
2154                     element.add_attribute('thumbnails-captionfile', utf8($subalbums_edits[path][:captionfile]))
2155                 end
2156             end
2157         }
2158     end
2159
2160     if $notebook.page == 0 && $xmldir.child_byname_notattr('dir', 'deleted')
2161         if $xmldir.attributes['thumbnails-caption']
2162             path = $xmldir.attributes['path']
2163             $xmldir.add_attribute('thumbnails-caption', $subalbums_edits[path][:editzone].buffer.text)
2164         end
2165     elsif $xmldir.attributes['thumbnails-caption']
2166         $xmldir.add_attribute('thumbnails-caption', $thumbnails_title.buffer.text)
2167     end
2168
2169     if $xmldir.attributes['thumbnails-caption']
2170         if edit = $subalbums_edits[$xmldir.attributes['path']]
2171             $xmldir.add_attribute('thumbnails-captionfile', edit[:captionfile])
2172         end
2173     end
2174
2175     #- remove and reinsert elements to reflect new ordering
2176     saves = {}
2177     cpt = 0
2178     $xmldir.elements.each { |element|
2179         if element.name == 'image' || element.name == 'video'
2180             saves[element.attributes['filename']] = element.remove
2181             cpt += 1
2182         end
2183     }
2184     $autotable.current_order.each { |path|
2185         chld = $xmldir.add_element(saves[path].name, saves[path].attributes)
2186         chld.add_attribute('caption', $name2widgets[File.basename(path)][:textview].buffer.text)
2187         saves.delete(path)
2188     }
2189     saves.each_key { |path|
2190         chld = $xmldir.add_element(saves[path].name, saves[path].attributes)
2191         chld.add_attribute('deleted', 'true')
2192     }
2193 end
2194
2195 def sort_by_exif_date
2196     $modified = true
2197     save_changes
2198     current_order = []
2199     $xmldir.elements.each { |element|
2200         if element.name == 'image' || element.name == 'video'
2201             current_order << element.attributes['filename']
2202         end
2203     }
2204
2205     #- look for EXIF dates
2206     dates = {}
2207
2208     if current_order.size > 20
2209         w = create_window
2210         w.set_transient_for($main_window)
2211         w.modal = true
2212         vb = Gtk::VBox.new(false, 5).set_border_width(5)
2213         vb.pack_start(Gtk::Label.new(utf8(_("Scanning sub-album looking for EXIF dates..."))), false, false)
2214         vb.pack_start(pb = Gtk::ProgressBar.new, false, false)
2215         bottom = Gtk::Alignment.new(0.5, 0.5, 0, 0).add(b = Gtk::Button.new(utf8(_("_Abort"))))
2216         b.image = Gtk::Image.new("#{$FPATH}/images/stock-close-24.png")
2217         vb.pack_end(bottom, false, false)
2218         w.add(vb)
2219         w.signal_connect('delete-event') { w.destroy }
2220         w.window_position = Gtk::Window::POS_CENTER
2221         w.show_all
2222
2223         aborted = false
2224         b.signal_connect('clicked') { aborted = true }
2225         i = 0
2226         current_order.each { |f|
2227             i += 1
2228             if entry2type(f) == 'image'
2229                 pb.text = f
2230                 pb.fraction = i.to_f / current_order.size
2231                 Gtk.main_iteration while Gtk.events_pending?
2232                 date_time = Exif.datetimeoriginal(from_utf8($current_path + "/" + f))
2233                 if ! date_time.nil?
2234                     dates[f] = date_time
2235                 end
2236             end
2237             if aborted
2238                 break
2239             end
2240         }
2241         w.destroy
2242         if aborted
2243             return
2244         end
2245
2246     else
2247         current_order.each { |f|
2248             date_time = Exif.datetimeoriginal(from_utf8($current_path + "/" + f))
2249             if ! date_time.nil?
2250                 dates[f] = date_time
2251             end
2252         }
2253     end
2254
2255     saves = {}
2256     $xmldir.elements.each { |element|
2257         if element.name == 'image' || element.name == 'video'
2258             saves[element.attributes['filename']] = element.remove
2259         end
2260     }
2261
2262     neworder = smartsort(current_order, dates)
2263
2264     neworder.each { |f|
2265         $xmldir.add_element(saves[f].name, saves[f].attributes)
2266     }
2267
2268     #- let the auto-table reflect new ordering
2269     change_dir
2270 end
2271
2272 def remove_all_captions
2273     $modified = true
2274     texts = {}
2275     $autotable.current_order.each { |path|
2276         texts[File.basename(path) ] = $name2widgets[File.basename(path)][:textview].buffer.text
2277         $name2widgets[File.basename(path)][:textview].buffer.text = ''
2278     }
2279     save_undo(_("remove all captions"),
2280               proc { |texts|
2281                   texts.each_key { |key|
2282                       $name2widgets[key][:textview].buffer.text = texts[key]
2283                   }
2284                   $notebook.set_page(1)
2285                   proc {
2286                       texts.each_key { |key|
2287                           $name2widgets[key][:textview].buffer.text = ''
2288                       }
2289                       $notebook.set_page(1)
2290                   }
2291               }, texts)
2292 end
2293
2294 def change_dir
2295     $selected_elements.each_key { |path|
2296         $name2widgets[path][:img].pixbuf = $selected_elements[path][:pixbuf]
2297     }
2298     $autotable.clear
2299     $vbox2widgets = {}
2300     $name2widgets = {}
2301     $name2closures = {}
2302     $selected_elements = {}
2303     $cuts = []
2304     $multiple_dnd = []
2305     UndoHandler.cleanup
2306     $undo_tb.sensitive = $undo_mb.sensitive = false
2307     $redo_tb.sensitive = $redo_mb.sensitive = false
2308
2309     if !$current_path
2310         return
2311     end
2312
2313     $subalbums_vb.children.each { |chld|
2314         $subalbums_vb.remove(chld)
2315     }
2316     $subalbums = Gtk::Table.new(0, 0, true)
2317     current_y_sub_albums = 0
2318
2319     $xmldir = Synchronizator.new($xmldoc.elements["//dir[@path='#{$current_path}']"])
2320     $subalbums_edits = {}
2321     subalbums_counter = 0
2322     subalbums_edits_bypos = {}
2323
2324     add_subalbum = proc { |xmldir, counter|
2325         $subalbums_edits[xmldir.attributes['path']] = { :position => counter }
2326         subalbums_edits_bypos[counter] = $subalbums_edits[xmldir.attributes['path']]
2327         if xmldir == $xmldir
2328             thumbnail_file = "#{current_dest_dir}/thumbnails-thumbnail.jpg"
2329             captionfile = from_utf8(xmldir.attributes['thumbnails-captionfile'])
2330             caption = xmldir.attributes['thumbnails-caption']
2331             infotype = 'thumbnails'
2332         else
2333             thumbnail_file = "#{current_dest_dir}/thumbnails-#{make_dest_filename(from_utf8(File.basename(xmldir.attributes['path'])))}.jpg"
2334             captionfile, caption = find_subalbum_caption_info(xmldir)
2335             infotype = find_subalbum_info_type(xmldir)
2336         end
2337         msg 3, "add subdir: #{xmldir.attributes['path']} with file: #{thumbnail_file}"
2338         hbox = Gtk::HBox.new
2339         hbox.pack_start(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup('<i>' + File.basename(xmldir.attributes['path']) + ':</i>')))
2340         f = Gtk::Frame.new
2341         f.set_shadow_type(Gtk::SHADOW_ETCHED_OUT)
2342
2343         img = nil
2344         my_gen_real_thumbnail = proc {
2345             gen_real_thumbnail('subdir', captionfile, thumbnail_file, xmldir, $albums_thumbnail_size, img, infotype)
2346         }
2347
2348         if !$modified_pixbufs[thumbnail_file] && !File.exists?(thumbnail_file)
2349             f.add(img = Gtk::Image.new)
2350             my_gen_real_thumbnail.call
2351         else
2352             f.add(img = Gtk::Image.new($modified_pixbufs[thumbnail_file] ? $modified_pixbufs[thumbnail_file][:pixbuf] : thumbnail_file))
2353         end
2354         hbox.pack_end(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(evtbox = Gtk::EventBox.new.add(f)), false, false)
2355         $subalbums.attach(hbox,
2356                           0, 1, current_y_sub_albums, current_y_sub_albums + 1, Gtk::FILL, Gtk::FILL, 2, 2)
2357
2358         frame, textview = create_editzone($subalbums_sw, 0, img)
2359         textview.buffer.text = caption
2360         $subalbums.attach(Gtk::Alignment.new(0, 0.5, 0.5, 0).add(frame),
2361                           1, 2, current_y_sub_albums, current_y_sub_albums + 1, Gtk::FILL, Gtk::FILL, 2, 2)
2362
2363         change_image = proc {
2364             fc = Gtk::FileChooserDialog.new(utf8(_("Select image for caption")),
2365                                             nil,
2366                                             Gtk::FileChooser::ACTION_OPEN,
2367                                             nil,
2368                                             [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
2369             fc.set_current_folder(from_utf8(xmldir.attributes['path']))
2370             fc.transient_for = $main_window
2371             fc.preview_widget = preview = Gtk::Alignment.new(0.5, 0.5, 0, 0).add(f = Gtk::Frame.new.set_shadow_type(Gtk::SHADOW_ETCHED_OUT))
2372             f.add(preview_img = Gtk::Image.new)
2373             preview.show_all
2374             fc.signal_connect('update-preview') { |w|
2375                 begin
2376                     if fc.preview_filename
2377                         preview_img.pixbuf = rotate_pixbuf(Gdk::Pixbuf.new(fc.preview_filename, 240, 180), guess_rotate(fc.preview_filename))
2378                         fc.preview_widget_active = true
2379                     end
2380                 rescue Gdk::PixbufError
2381                     fc.preview_widget_active = false
2382                 end
2383             }
2384             if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
2385                 $modified = true
2386                 old_file = captionfile
2387                 old_rotate = xmldir.attributes["#{infotype}-rotate"]
2388                 old_color_swap = xmldir.attributes["#{infotype}-color-swap"]
2389                 old_enhance = xmldir.attributes["#{infotype}-enhance"]
2390                 old_seektime = xmldir.attributes["#{infotype}-seektime"]
2391
2392                 new_file = fc.filename
2393                 msg 3, "new captionfile is: #{fc.filename}"
2394                 perform_changefile = proc {
2395                     $subalbums_edits[xmldir.attributes['path']][:captionfile] = captionfile = new_file
2396                     $modified_pixbufs.delete(thumbnail_file)
2397                     xmldir.delete_attribute("#{infotype}-rotate")
2398                     xmldir.delete_attribute("#{infotype}-color-swap")
2399                     xmldir.delete_attribute("#{infotype}-enhance")
2400                     xmldir.delete_attribute("#{infotype}-seektime")
2401                     my_gen_real_thumbnail.call
2402                 }
2403                 perform_changefile.call
2404
2405                 save_undo(_("change caption file for sub-album"),
2406                           proc {
2407                               $subalbums_edits[xmldir.attributes['path']][:captionfile] = captionfile = old_file
2408                               xmldir.add_attribute("#{infotype}-rotate", old_rotate)
2409                               xmldir.add_attribute("#{infotype}-color-swap", old_color_swap)
2410                               xmldir.add_attribute("#{infotype}-enhance", old_enhance)
2411                               xmldir.add_attribute("#{infotype}-seektime", old_seektime)
2412                               my_gen_real_thumbnail.call
2413                               $notebook.set_page(0)
2414                               proc {
2415                                   perform_changefile.call
2416                                   $notebook.set_page(0)
2417                               }
2418                           })
2419             end
2420             fc.destroy
2421         }
2422
2423         refresh = proc {
2424             if File.exists?(thumbnail_file)
2425                 File.delete(thumbnail_file)
2426             end
2427             my_gen_real_thumbnail.call
2428         }
2429
2430         rotate_and_cleanup = proc { |angle|
2431             rotate(angle, thumbnail_file, img, xmldir, "#{infotype}-", $default_albums_thumbnails[:x], $default_albums_thumbnails[:y])
2432             if File.exists?(thumbnail_file)
2433                 File.delete(thumbnail_file)
2434             end
2435         }
2436
2437         move = proc { |direction|
2438             $modified = true
2439
2440             save_changes('forced')
2441             oldpos = $subalbums_edits[xmldir.attributes['path']][:position]
2442             if direction == 'up'
2443                 $subalbums_edits[xmldir.attributes['path']][:position] -= 1
2444                 subalbums_edits_bypos[oldpos - 1][:position] += 1
2445             end
2446             if direction == 'down'
2447                 $subalbums_edits[xmldir.attributes['path']][:position] += 1
2448                 subalbums_edits_bypos[oldpos + 1][:position] -= 1
2449             end
2450             if direction == 'top'
2451                 for i in 1 .. oldpos - 1
2452                     subalbums_edits_bypos[i][:position] += 1
2453                 end
2454                 $subalbums_edits[xmldir.attributes['path']][:position] = 1
2455             end
2456             if direction == 'bottom'
2457                 for i in oldpos + 1 .. subalbums_counter
2458                     subalbums_edits_bypos[i][:position] -= 1
2459                 end
2460                 $subalbums_edits[xmldir.attributes['path']][:position] = subalbums_counter
2461             end
2462
2463             elems = []
2464             $xmldir.elements.each('dir') { |element|
2465                 if (!element.attributes['deleted'])
2466                     elems << [ element.attributes['path'], element.remove ]
2467                 end
2468             }
2469             elems.sort { |a,b| $subalbums_edits[a[0]][:position] <=> $subalbums_edits[b[0]][:position] }.
2470                   each { |e| $xmldir.add_element(e[1]) }
2471             #- need to remove the already-generated tag to all subdirs because of "previous/next albums" links completely changed
2472             $xmldir.elements.each('descendant::dir') { |elem|
2473                 elem.delete_attribute('already-generated')
2474             }
2475
2476             sel = $albums_tv.selection.selected_rows
2477             change_dir
2478             populate_subalbums_treeview(false)
2479             $albums_tv.selection.select_path(sel[0])
2480         }
2481
2482         color_swap_and_cleanup = proc {
2483             perform_color_swap_and_cleanup = proc {
2484                 color_swap(xmldir, "#{infotype}-")
2485                 my_gen_real_thumbnail.call
2486             }
2487             perform_color_swap_and_cleanup.call
2488
2489             save_undo(_("color swap"),
2490                       proc {
2491                           perform_color_swap_and_cleanup.call
2492                           $notebook.set_page(0)
2493                           proc {
2494                               perform_color_swap_and_cleanup.call
2495                               $notebook.set_page(0)
2496                           }
2497                       })
2498         }
2499
2500         change_seektime_and_cleanup = proc {
2501             if values = ask_new_seektime(xmldir, "#{infotype}-")
2502                 perform_change_seektime_and_cleanup = proc { |val|
2503                     change_seektime(xmldir, "#{infotype}-", val)
2504                     my_gen_real_thumbnail.call
2505                 }
2506                 perform_change_seektime_and_cleanup.call(values[:new])
2507
2508                 save_undo(_("specify seektime"),
2509                           proc {
2510                               perform_change_seektime_and_cleanup.call(values[:old])
2511                               $notebook.set_page(0)
2512                               proc {
2513                                   perform_change_seektime_and_cleanup.call(values[:new])
2514                                   $notebook.set_page(0)
2515                               }
2516                           })
2517             end
2518         }
2519
2520         whitebalance_and_cleanup = proc {
2521             if values = ask_whitebalance(captionfile, thumbnail_file, img, xmldir, "#{infotype}-",
2522                                          $default_albums_thumbnails[:x], $default_albums_thumbnails[:y], infotype)
2523                 perform_change_whitebalance_and_cleanup = proc { |val|
2524                     change_whitebalance(xmldir, "#{infotype}-", val)
2525                     recalc_whitebalance(val, captionfile, thumbnail_file, img, xmldir, "#{infotype}-",
2526                                         $default_albums_thumbnails[:x], $default_albums_thumbnails[:y], infotype)
2527                     if File.exists?(thumbnail_file)
2528                         File.delete(thumbnail_file)
2529                     end
2530                 }
2531                 perform_change_whitebalance_and_cleanup.call(values[:new])
2532
2533                 save_undo(_("fix white balance"),
2534                           proc {
2535                               perform_change_whitebalance_and_cleanup.call(values[:old])
2536                               $notebook.set_page(0)
2537                               proc {
2538                                   perform_change_whitebalance_and_cleanup.call(values[:new])
2539                                   $notebook.set_page(0)
2540                               }
2541                           })
2542             end
2543         }
2544
2545         gammacorrect_and_cleanup = proc {
2546             if values = ask_gammacorrect(captionfile, thumbnail_file, img, xmldir, "#{infotype}-",
2547                                          $default_albums_thumbnails[:x], $default_albums_thumbnails[:y], infotype)
2548                 perform_change_gammacorrect_and_cleanup = proc { |val|
2549                     change_gammacorrect(xmldir, "#{infotype}-", val)
2550                     recalc_gammacorrect(val, captionfile, thumbnail_file, img, xmldir, "#{infotype}-",
2551                                         $default_albums_thumbnails[:x], $default_albums_thumbnails[:y], infotype)
2552                     if File.exists?(thumbnail_file)
2553                         File.delete(thumbnail_file)
2554                     end
2555                 }
2556                 perform_change_gammacorrect_and_cleanup.call(values[:new])
2557
2558                 save_undo(_("gamma correction"),
2559                           proc {
2560                               perform_change_gammacorrect_and_cleanup.call(values[:old])
2561                               $notebook.set_page(0)
2562                               proc {
2563                                   perform_change_gammacorrect_and_cleanup.call(values[:new])
2564                                   $notebook.set_page(0)
2565                               }
2566                           })
2567             end
2568         }
2569
2570         enhance_and_cleanup = proc {
2571             perform_enhance_and_cleanup = proc {
2572                 enhance(xmldir, "#{infotype}-")
2573                 my_gen_real_thumbnail.call
2574             }
2575
2576             perform_enhance_and_cleanup.call
2577
2578             save_undo(_("enhance"),
2579                       proc {
2580                           perform_enhance_and_cleanup.call
2581                           $notebook.set_page(0)
2582                           proc {
2583                               perform_enhance_and_cleanup.call
2584                               $notebook.set_page(0)
2585                           }
2586                       })
2587         }
2588
2589         evtbox.signal_connect('button-press-event') { |w, event|
2590             if event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 1
2591                 if $r90.active?
2592                     rotate_and_cleanup.call(90)
2593                 elsif $r270.active?
2594                     rotate_and_cleanup.call(-90)
2595                 elsif $enhance.active?
2596                     enhance_and_cleanup.call
2597                 end
2598             end
2599             if event.event_type == Gdk::Event::BUTTON_PRESS && event.button == 3
2600                 popup_thumbnail_menu(event, ['change_image', 'move_top', 'move_bottom'], captionfile, entry2type(captionfile), xmldir, "#{infotype}-",
2601                                      { :forbid_left => true, :forbid_right => true,
2602                                        :can_up => counter > 1, :can_down => counter > 0 && counter < subalbums_counter,
2603                                        :can_top => counter > 1, :can_bottom => counter > 0 && counter < subalbums_counter },
2604                                      { :change => change_image, :move => move, :rotate => rotate_and_cleanup, :enhance => enhance_and_cleanup,
2605                                        :color_swap => color_swap_and_cleanup, :seektime => change_seektime_and_cleanup, :whitebalance => whitebalance_and_cleanup,
2606                                        :gammacorrect => gammacorrect_and_cleanup, :refresh => refresh })
2607             end
2608             if event.event_type == Gdk::Event::BUTTON2_PRESS && event.button == 1
2609                 change_image.call
2610                 true   #- handled
2611             end
2612         }
2613         evtbox.signal_connect('button-press-event') { |w, event|
2614             $gesture_press = { :filename => thumbnail_file, :x => event.x, :y => event.y }
2615             false
2616         }
2617
2618         evtbox.signal_connect('button-release-event') { |w, event|
2619             if !$r90.active? && !$r270.active? && $gesture_press && $gesture_press[:filename] == thumbnail_file
2620                 msg 3, "press: #{$gesture_press[:x]} release: #{event.x}"
2621                 if (($gesture_press[:x]-event.x)/($gesture_press[:y]-event.y)).abs > 2 && ($gesture_press[:x]-event.x).abs > 5
2622                     angle = event.x-$gesture_press[:x] > 0 ? 90 : -90
2623                     msg 3, "gesture rotate: #{angle}"
2624                     rotate_and_cleanup.call(angle)
2625                 end
2626             end
2627             $gesture_press = nil
2628         }
2629
2630         $subalbums_edits[xmldir.attributes['path']][:editzone] = textview
2631         $subalbums_edits[xmldir.attributes['path']][:captionfile] = captionfile
2632         current_y_sub_albums += 1
2633     }
2634
2635     if $xmldir.child_byname_notattr('dir', 'deleted')
2636         #- title edition
2637         frame, $subalbums_title = create_editzone($subalbums_sw, 0, nil)
2638         $subalbums_title.buffer.text = $xmldir.attributes['subdirs-caption']
2639         $subalbums_title.set_justification(Gtk::Justification::CENTER)
2640         $subalbums_vb.pack_start(Gtk::Alignment.new(0.5, 0.5, 0.5, 0).add(frame), false, false)
2641         #- this album image/caption
2642         if $xmldir.attributes['thumbnails-caption']
2643             add_subalbum.call($xmldir, 0)
2644         end
2645     end
2646     total = { 'image' => 0, 'video' => 0, 'dir' => 0 }
2647     $xmldir.elements.each { |element|
2648         if (element.name == 'image' || element.name == 'video') && !element.attributes['deleted']
2649             #- element (image or video) of this album
2650             dest_img = build_full_dest_filename(element.attributes['filename']).sub(/\.[^\.]+$/, '') + "-#{$default_size['thumbnails']}.jpg"
2651             msg 3, "dest_img: #{dest_img}"
2652             add_thumbnail($autotable, element.attributes['filename'], element.name, dest_img, element.attributes['caption'])
2653             total[element.name] += 1
2654         end
2655         if element.name == 'dir' && !element.attributes['deleted']
2656             #- sub-album image/caption
2657             add_subalbum.call(element, subalbums_counter += 1)
2658             total[element.name] += 1
2659         end
2660     }
2661     $statusbar.push(0, utf8(_("%s: %s photos and %s videos, %s sub-albums") % [ File.basename(from_utf8($xmldir.attributes['path'])),
2662                                                                                 total['image'], total['video'], total['dir'] ]))
2663     $subalbums_vb.add($subalbums)
2664     $subalbums_vb.show_all
2665
2666     if !$xmldir.child_byname_notattr('image', 'deleted') && !$xmldir.child_byname_notattr('video', 'deleted')
2667         $notebook.get_tab_label($autotable_sw).sensitive = false
2668         $notebook.set_page(0)
2669         $thumbnails_title.buffer.text = ''
2670     else
2671         $notebook.get_tab_label($autotable_sw).sensitive = true
2672         $thumbnails_title.buffer.text = $xmldir.attributes['thumbnails-caption']
2673     end
2674
2675     if !$xmldir.child_byname_notattr('dir', 'deleted')
2676         $notebook.get_tab_label($subalbums_sw).sensitive = false
2677         $notebook.set_page(1)
2678     else
2679         $notebook.get_tab_label($subalbums_sw).sensitive = true
2680     end
2681 end
2682
2683 def pixbuf_or_nil(filename)
2684     begin
2685         return Gdk::Pixbuf.new(filename)
2686     rescue
2687         return nil
2688     end
2689 end
2690
2691 def theme_choose(current)
2692     dialog = Gtk::Dialog.new(utf8(_("Select your preferred theme")),
2693                              $main_window,
2694                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
2695                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
2696                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
2697
2698     model = Gtk::ListStore.new(String, Gdk::Pixbuf, Gdk::Pixbuf, Gdk::Pixbuf)
2699     treeview = Gtk::TreeView.new(model).set_rules_hint(true)
2700     treeview.append_column(Gtk::TreeViewColumn.new(utf8(_("Theme name")), Gtk::CellRendererText.new, { :text => 0 }).set_alignment(0.5).set_spacing(5))
2701     treeview.append_column(Gtk::TreeViewColumn.new(utf8(_("Sub-albums page look")), Gtk::CellRendererPixbuf.new, { :pixbuf => 1 }).set_alignment(0.5).set_spacing(5))
2702     treeview.append_column(Gtk::TreeViewColumn.new(utf8(_("Thumbnails page look")), Gtk::CellRendererPixbuf.new, { :pixbuf => 2 }).set_alignment(0.5).set_spacing(5))
2703     treeview.append_column(Gtk::TreeViewColumn.new(utf8(_("Fullscreen page look")), Gtk::CellRendererPixbuf.new, { :pixbuf => 3 }).set_alignment(0.5).set_spacing(5))
2704     treeview.append_column(Gtk::TreeViewColumn.new('', Gtk::CellRendererText.new, {}))
2705     treeview.signal_connect('button-press-event') { |w, event|
2706         if event.event_type == Gdk::Event::BUTTON2_PRESS && event.button == 1
2707             dialog.response(Gtk::Dialog::RESPONSE_OK)
2708         end
2709     }
2710
2711     dialog.vbox.add(sw = Gtk::ScrolledWindow.new(nil, nil).add(treeview).set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC))
2712
2713     ([ $FPATH + '/themes/simple' ] + (`find '#{$FPATH}/themes' -mindepth 1 -maxdepth 1 -type d`.find_all { |e| e !~ /simple$/ }.sort)).each { |dir|
2714         dir.chomp!
2715         iter = model.append
2716         iter[0] = File.basename(dir)
2717         iter[1] = pixbuf_or_nil("#{dir}/metadata/screenshot-1.png")
2718         iter[2] = pixbuf_or_nil("#{dir}/metadata/screenshot-2.png")
2719         iter[3] = pixbuf_or_nil("#{dir}/metadata/screenshot-3.png")
2720         if File.basename(dir) == current
2721             treeview.selection.select_iter(iter)
2722         end
2723     }
2724     dialog.set_default_size(-1, 500)
2725     dialog.vbox.show_all
2726
2727     dialog.run { |response|
2728         iter = treeview.selection.selected
2729         dialog.destroy
2730         if response == Gtk::Dialog::RESPONSE_OK && iter
2731             return model.get_value(iter, 0)
2732         end
2733     }
2734     return nil
2735 end
2736
2737 def show_password_protections
2738     examine_dir_elem = proc { |parent_iter, xmldir, already_protected|
2739         child_iter = $albums_iters[xmldir.attributes['path']]
2740         if xmldir.attributes['password-protect']
2741             child_iter[2] = pixbuf_or_nil("#{$FPATH}/images/galeon-secure.png")
2742             already_protected = true
2743         elsif already_protected
2744             pix = pixbuf_or_nil("#{$FPATH}/images/galeon-secure-shadow.png")
2745             if pix
2746                 pix = pix.saturate_and_pixelate(1, true)
2747             end
2748             child_iter[2] = pix
2749         else
2750             child_iter[2] = nil
2751         end
2752         xmldir.elements.each('dir') { |elem|
2753             if !elem.attributes['deleted']
2754                 examine_dir_elem.call(child_iter, elem, already_protected)
2755             end
2756         }
2757     }
2758     examine_dir_elem.call(nil, $xmldoc.elements['//dir'], false)
2759 end
2760
2761 def populate_subalbums_treeview(select_first)
2762     $albums_ts.clear
2763     $autotable.clear
2764     $albums_iters = {}
2765     $subalbums_vb.children.each { |chld|
2766         $subalbums_vb.remove(chld)
2767     }
2768
2769     source = $xmldoc.root.attributes['source']
2770     msg 3, "source: #{source}"
2771
2772     xmldir = $xmldoc.elements['//dir']
2773     if !xmldir || xmldir.attributes['path'] != source
2774         msg 1, _("Corrupted booh file...")
2775         return
2776     end
2777
2778     append_dir_elem = proc { |parent_iter, xmldir|
2779         child_iter = $albums_ts.append(parent_iter)
2780         child_iter[0] = File.basename(xmldir.attributes['path'])
2781         child_iter[1] = xmldir.attributes['path']
2782         $albums_iters[xmldir.attributes['path']] = child_iter
2783         msg 3, "puttin location: #{xmldir.attributes['path']}"
2784         xmldir.elements.each('dir') { |elem|
2785             if !elem.attributes['deleted']
2786                 append_dir_elem.call(child_iter, elem)
2787             end
2788         }
2789     }
2790     append_dir_elem.call(nil, xmldir)
2791     show_password_protections
2792
2793     $albums_tv.expand_all
2794     if select_first
2795         $albums_tv.selection.select_iter($albums_ts.iter_first)
2796     end
2797 end
2798
2799 def select_current_theme
2800     select_theme($xmldoc.root.attributes['theme'],
2801                  $xmldoc.root.attributes['limit-sizes'],
2802                  !$xmldoc.root.attributes['optimize-for-32'].nil?,
2803                  $xmldoc.root.attributes['thumbnails-per-row'])
2804 end
2805
2806 def open_file(filename)
2807
2808     $filename = nil
2809     $modified = false
2810     $current_path = nil   #- invalidate
2811     $modified_pixbufs = {}
2812     $albums_ts.clear
2813     $autotable.clear
2814     $subalbums_vb.children.each { |chld|
2815         $subalbums_vb.remove(chld)
2816     }
2817
2818     if !File.exists?(filename)
2819         return utf8(_("File not found."))
2820     end
2821
2822     begin
2823         $xmldoc = REXML::Document.new File.new(filename)
2824     rescue Exception
2825         $xmldoc = nil
2826     end
2827
2828     if !$xmldoc || !$xmldoc.root || $xmldoc.root.name != 'booh'
2829         if entry2type(filename).nil?
2830             return utf8(_("Not a booh file!"))
2831         else
2832             return utf8(_("Not a booh file!\n\nHint: you cannot import directly a photo or video with File/Open.\nUse File/New to create a new album."))
2833         end
2834     end
2835
2836     if !source = $xmldoc.root.attributes['source']
2837         return utf8(_("Corrupted booh file..."))
2838     end
2839
2840     if !dest = $xmldoc.root.attributes['destination']
2841         return utf8(_("Corrupted booh file..."))
2842     end
2843
2844     if !theme = $xmldoc.root.attributes['theme']
2845         return utf8(_("Corrupted booh file..."))
2846     end
2847
2848     if $xmldoc.root.attributes['version'] < '0.9.0'
2849         msg 2, _("File's version %s, booh version now %s, marking dirty") % [ $xmldoc.root.attributes['version'], $VERSION ]
2850         mark_document_as_dirty
2851         if $xmldoc.root.attributes['version'] < '0.8.4'
2852             msg 1, _("File's version prior to 0.8.4, migrating directories and filenames in destination directory if needed")
2853             `find '#{source}' -type d -follow`.sort.collect { |v| v.chomp }.each { |dir|
2854                 old_dest_dir = make_dest_filename_old(dir.sub(/^#{Regexp.quote(source)}/, dest))
2855                 new_dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote(source)}/, dest))
2856                 if old_dest_dir != new_dest_dir
2857                     sys("mv '#{old_dest_dir}' '#{new_dest_dir}'")
2858                 end
2859                 if xmldir = $xmldoc.elements["//dir[@path='#{utf8(dir)}']"]
2860                     xmldir.elements.each { |element|
2861                         if %w(image video).include?(element.name) && !element.attributes['deleted']
2862                             old_name = new_dest_dir + '/' + make_dest_filename_old(from_utf8(element.attributes['filename'])).sub(/\.[^\.]+$/, '')
2863                             new_name = new_dest_dir + '/' + make_dest_filename(from_utf8(element.attributes['filename'])).sub(/\.[^\.]+$/, '')
2864                             Dir[old_name + '*'].each { |file|
2865                                 new_file = file.sub(/^#{Regexp.quote(old_name)}/, new_name)
2866                                 file != new_file and sys("mv '#{file}' '#{new_file}'")
2867                             }
2868                         end
2869                         if element.name == 'dir' && !element.attributes['deleted']
2870                             old_name = new_dest_dir + '/thumbnails-' + make_dest_filename_old(from_utf8(File.basename(element.attributes['path']))) + '.jpg'
2871                             new_name = new_dest_dir + '/thumbnails-' + make_dest_filename(from_utf8(File.basename(element.attributes['path']))) + '.jpg'
2872                             old_name != new_name and sys("mv '#{old_name}' '#{new_name}'")
2873                         end
2874                     }
2875                 else
2876                     msg 1, "could not find <dir> element by path '#{utf8(dir)}' in xml file"
2877                 end
2878             }
2879         end
2880         $xmldoc.root.add_attribute('version', $VERSION)
2881     end
2882
2883     select_current_theme
2884
2885     $filename = filename
2886     set_mainwindow_title(nil)
2887     $default_size['thumbnails'] =~ /(.*)x(.*)/
2888     $default_thumbnails = { :x => $1.to_i, :y => $2.to_i }
2889     $albums_thumbnail_size =~ /(.*)x(.*)/
2890     $default_albums_thumbnails = { :x => $1.to_i, :y => $2.to_i }
2891
2892     populate_subalbums_treeview(true)
2893
2894     $save.sensitive = $save_as.sensitive = $merge_current.sensitive = $merge_newsubs.sensitive = $merge.sensitive = $generate.sensitive = $view_wa.sensitive = $properties.sensitive = $remove_all_captions.sensitive = $sort_by_exif_date.sensitive = true
2895     return nil
2896 end
2897
2898 def open_file_user(filename)
2899     result = open_file(filename)
2900     if !result
2901         $config['last-opens'] ||= []
2902         if $config['last-opens'][-1] != utf8(filename)
2903             $config['last-opens'] << utf8(filename)
2904         end
2905         $orig_filename = $filename
2906         $main_window.title = 'booh - ' + File.basename($orig_filename)
2907         tmp = Tempfile.new("boohtemp")
2908         Thread.critical = true
2909         tmp.close!
2910         #- for security
2911         ios = File.open($filename = tmp.path, File::RDWR|File::CREAT|File::EXCL)
2912         Thread.critical = false
2913         ios.close
2914         $tempfiles << $filename << "#{$filename}.backup"
2915     else
2916         $orig_filename = nil
2917     end
2918     return result
2919 end
2920
2921 def open_file_popup
2922     if !ask_save_modifications(utf8(_("Save this album?")),
2923                                utf8(_("Do you want to save the changes to this album?")),
2924                                { :yes => Gtk::Stock::YES, :no => Gtk::Stock::NO })
2925         return
2926     end
2927     fc = Gtk::FileChooserDialog.new(utf8(_("Open file")),
2928                                     nil,
2929                                     Gtk::FileChooser::ACTION_OPEN,
2930                                     nil,
2931                                     [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
2932     fc.add_shortcut_folder(File.expand_path("~/.booh"))
2933     fc.set_current_folder(File.expand_path("~/.booh"))
2934     fc.transient_for = $main_window
2935     ok = false
2936     while !ok
2937         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
2938             push_mousecursor_wait(fc)
2939             msg = open_file_user(fc.filename)
2940             pop_mousecursor(fc)
2941             if msg
2942                 show_popup(fc, msg)
2943                 ok = false
2944             else
2945                 ok = true
2946             end
2947         else
2948             ok = true
2949         end
2950     end
2951     fc.destroy
2952 end
2953
2954 def additional_booh_options
2955     options = ''
2956     if $config['mproc']
2957         options += "--mproc #{$config['mproc'].to_i} "
2958     end
2959     options += "--comments-format '#{$config['comments-format']}' "
2960     if $config['transcode-videos']
2961         options += "--transcode-videos '#{$config['transcode-videos']}' "
2962     end
2963     return options
2964 end
2965
2966 def ask_multi_languages(value)
2967     if ! value.nil?
2968         spl = value.split(',')
2969         value = [ spl[0..-2], spl[-1] ]
2970     end
2971
2972     dialog = Gtk::Dialog.new(utf8(_("Multi-languages support")),
2973                              $main_window,
2974                              Gtk::Dialog::MODAL,
2975                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
2976                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
2977
2978     lbl = Gtk::Label.new
2979     lbl.markup = utf8(
2980 _("You can choose to activate <b>multi-languages</b> support for this web-album
2981 (it will work only if you publish your web-album on an Apache web-server). This will
2982 use the MultiViews feature of Apache; the pages will be served according to the
2983 value of the Accept-Language HTTP header sent by the web browsers, so that people
2984 with different languages preferences will be able to browse your web-album with
2985 navigation in their language (if language is available).
2986 "))
2987
2988     dialog.vbox.add(lbl)
2989     dialog.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(Gtk::VBox.new.add(rb_no = Gtk::RadioButton.new(utf8(_("Disabled")))).
2990                                                                          add(Gtk::HBox.new(false, 5).add(rb_yes = Gtk::RadioButton.new(rb_no, utf8(_("Enabled")))).
2991                                                                                                      add(languages = Gtk::Button.new))))
2992
2993     pick_languages = proc {
2994         dialog2 = Gtk::Dialog.new(utf8(_("Pick languages to support")),
2995                                   $main_window,
2996                                   Gtk::Dialog::MODAL,
2997                                   [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
2998                                   [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
2999
3000         dialog2.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(hb1 = Gtk::HBox.new))
3001         hb1.add(Gtk::Label.new(utf8(_("Select the languages to support:"))))
3002         cbs = []
3003         SUPPORTED_LANGUAGES.each { |lang|
3004             hb1.add(cb = Gtk::CheckButton.new(utf8(langname(lang))))
3005             if ! value.nil? && value[0].include?(lang)
3006                 cb.active = true
3007             end
3008             cbs << [ lang, cb ]
3009         }
3010
3011         dialog2.vbox.add(Gtk::Alignment.new(0.5, 0.5, 0, 0).add(hb2 = Gtk::HBox.new))
3012         hb2.add(Gtk::Label.new(utf8(_("Select the fallback language:"))))
3013         fallback_language = nil
3014         hb2.add(fbl_rb = Gtk::RadioButton.new(utf8(langname(SUPPORTED_LANGUAGES[0]))))
3015         fbl_rb.signal_connect('clicked') { fallback_language = SUPPORTED_LANGUAGES[0] }
3016         if value.nil? || value[1] == SUPPORTED_LANGUAGES[0]
3017             fbl_rb.active = true
3018             fallback_language = SUPPORTED_LANGUAGES[0]
3019         end
3020         SUPPORTED_LANGUAGES[1..-1].each { |lang|
3021             hb2.add(rb = Gtk::RadioButton.new(fbl_rb, utf8(langname(lang))))
3022             rb.signal_connect('clicked') { fallback_language = lang }
3023             if ! value.nil? && value[1] == lang
3024                 rb.active = true
3025             end
3026         }
3027
3028         dialog2.window_position = Gtk::Window::POS_MOUSE
3029         dialog2.show_all
3030
3031         resp = nil
3032         dialog2.run { |response|
3033             resp = response
3034             if resp == Gtk::Dialog::RESPONSE_OK
3035                 value = []
3036                 value[0] = cbs.find_all { |e| e[1].active? }.collect { |e| e[0] }
3037                 value[1] = fallback_language
3038                 languages.label = utf8(_("Languages: %s. Fallback: %s.") % [ value[0].collect { |v| langname(v) }.join(', '), langname(value[1]) ])
3039             end
3040             dialog2.destroy
3041         }
3042         resp
3043     }
3044
3045     languages.signal_connect('clicked') {
3046         pick_languages.call
3047     }
3048     dialog.window_position = Gtk::Window::POS_MOUSE
3049     if value.nil?
3050         rb_no.active = true
3051     else
3052         rb_yes.active = true
3053         languages.label = utf8(_("Languages: %s. Fallback: %s.") % [ value[0].collect { |v| langname(v) }.join(', '), langname(value[1]) ])
3054     end
3055     rb_no.signal_connect('clicked') {
3056         if rb_no.active?
3057             languages.hide
3058         else
3059             if pick_languages.call == Gtk::Dialog::RESPONSE_CANCEL
3060                 rb_no.activate
3061             else
3062                 languages.show
3063             end
3064         end
3065     }
3066     oldval = value
3067     dialog.show_all
3068     if rb_no.active?
3069         languages.hide
3070     end
3071
3072     dialog.run { |response|
3073         if rb_no.active?
3074             value = nil
3075         end
3076         dialog.destroy
3077         if response == Gtk::Dialog::RESPONSE_OK && value != oldval
3078             if value.nil?
3079                 return [ true, nil ]
3080             else
3081                 return [ true, (value[0].size == 0 ? '' : value[0].join(',') + ',') + value[1] ]
3082             end
3083         else
3084             return [ false ]
3085         end
3086     }
3087 end
3088
3089 def new_album
3090     if !ask_save_modifications(utf8(_("Save this album?")),
3091                                utf8(_("Do you want to save the changes to this album?")),
3092                                { :yes => Gtk::Stock::YES, :no => Gtk::Stock::NO })
3093         return
3094     end
3095     dialog = Gtk::Dialog.new(utf8(_("Create a new album")),
3096                              $main_window,
3097                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
3098                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
3099                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3100
3101     frame1 = Gtk::Frame.new(utf8(_("Locations"))).add(tbl = Gtk::Table.new(0, 0, false))
3102     tbl.attach(Gtk::Label.new(utf8(_("Directory of photos/videos: "))),
3103                0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3104     tbl.attach(src = Gtk::Entry.new,
3105                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
3106     tbl.attach(src_browse = Gtk::Button.new(utf8(_("browse..."))),
3107                2, 3, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3108     tbl.attach(Gtk::Label.new.set_markup(utf8(_("<span size='small'><i>number of photos/videos down this directory:</i></span> "))),
3109                0, 1, 1, 2, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3110     tbl.attach(src_nb = Gtk::Label.new.set_markup(utf8(_("<span size='small'><i>N/A</i></span>"))),
3111                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3112     tbl.attach(Gtk::Label.new(utf8(_("Directory where to put the web-album: "))),
3113                0, 1, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3114     tbl.attach(dest = Gtk::Entry.new,
3115                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
3116     tbl.attach(dest_browse = Gtk::Button.new(utf8(_("browse..."))),
3117                2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3118     tbl.attach(Gtk::Label.new(utf8(_("Filename to store this album's properties: "))),
3119                0, 1, 3, 4, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3120     tbl.attach(conf = Gtk::Entry.new.set_size_request(250, -1),
3121                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3122     tbl.attach(conf_browse = Gtk::Button.new(utf8(_("browse..."))),
3123                2, 3, 3, 4, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3124
3125     tooltips = Gtk::Tooltips.new
3126     frame2 = Gtk::Frame.new(utf8(_("Configuration"))).add(vb = Gtk::VBox.new)
3127     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Theme: "))), false, false, 0).
3128                          pack_start(theme_button = Gtk::Button.new($config['default-theme'] || 'simple'), false, false, 0))
3129     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Sizes of images to generate: "))), false, false, 0).
3130                                    pack_start(sizes = Gtk::HBox.new, false, false, 0))
3131     vb.add(optimize432 = Gtk::CheckButton.new(utf8(_("Optimize for 3/2 aspect ratio"))).set_active($config['default-optimize32'].to_b))
3132     tooltips.set_tip(optimize432, utf8(_("Resize images with optimized sizes for 3/2 aspect ratio rather than 4/3 (typical aspect ratio of photos from point-and-shoot cameras - also called compact cameras - is 4/3, whereas photos from SLR cameras - also called reflex cameras - is 3/2)")), nil)
3133     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Number of thumbnails per row: "))), false, false, 0).
3134                                    pack_start(nperrowradios = Gtk::HBox.new, false, false, 0))
3135     nperpage_model = Gtk::ListStore.new(String, String)
3136     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Number of thumbnails per page: "))), false, false, 0).
3137                                    pack_start(nperpagecombo = Gtk::ComboBox.new(nperpage_model), false, false, 0))
3138     nperpagecombo.pack_start(crt = Gtk::CellRendererText.new, false)
3139     nperpagecombo.set_attributes(crt, { :markup => 0 })
3140     iter = nperpage_model.append
3141     iter[0] = utf8(_("<i>None - all thumbnails in one page</i>"))
3142     iter[1] = nil
3143     [ 12, 20, 30, 40, 50 ].each { |v|
3144         iter = nperpage_model.append
3145         iter[0] = iter[1] = v.to_s
3146     }
3147     nperpagecombo.active = 0
3148
3149     multilanguages_value = nil
3150     vb.add(ml = Gtk::HBox.new(false, 3).pack_start(ml_label = Gtk::Label.new, false, false, 0).
3151                                         pack_start(multilanguages = Gtk::Button.new(utf8(_("Configure multi-languages"))), false, false, 0))
3152     tooltips.set_tip(ml, utf8(_("When disabled, the web-album will be generated with navigation in your desktop language. When enabled, the web-album will be generated with navigation in all languages you select, but you have to publish your web-album on an Apache web-server for that feature to work.")), nil)
3153     multilanguages.signal_connect('clicked') {
3154         retval = ask_multi_languages(multilanguages_value)
3155         if retval[0]
3156             multilanguages_value = retval[1]
3157         end
3158         if multilanguages_value
3159             ml_label.text = utf8(_("Multi-languages: enabled."))
3160         else
3161             ml_label.text = utf8(_("Multi-languages: disabled."))
3162         end
3163     }
3164     if $config['default-multi-languages']
3165         multilanguages_value = $config['default-multi-languages']
3166         ml_label.text = utf8(_("Multi-languages: enabled."))
3167     else
3168         ml_label.text = utf8(_("Multi-languages: disabled."))
3169     end
3170
3171     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("'Return to your website' link on pages bottom: "))), false, false, 0).
3172                                    pack_start(indexlinkentry = Gtk::Entry.new, true, true, 0))
3173     tooltips.set_tip(indexlinkentry, utf8(_("Optional HTML markup to use on pages bottom for a small link returning to wherever you see fit in your website (or somewhere else)")), nil)
3174     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("'Made with' markup on pages bottom: "))), false, false, 0).
3175                                    pack_start(madewithentry = Gtk::Entry.new.set_text(utf8(_("made with <a href=%booh>booh</a>!"))), true, true, 0))
3176     tooltips.set_tip(madewithentry, utf8(_("Optional HTML markup to use on pages bottom for a small 'made with' label; %booh is replaced by the website of booh;\nfor example: made with <a href=%booh>booh</a>!")), nil)
3177
3178     src_nb_calculated_for = ''
3179     src_nb_thread = nil
3180     process_src_nb = proc {
3181         if src.text != src_nb_calculated_for
3182             src_nb_calculated_for = src.text
3183             if src_nb_thread
3184                 Thread.kill(src_nb_thread)
3185                 src_nb_thread = nil
3186             end
3187             if src_nb_calculated_for != '' && from_utf8_safe(src_nb_calculated_for) == ''
3188                 src_nb.set_markup(utf8(_("<span size='small'><i>invalid source directory</i></span>")))
3189             else
3190                 if File.directory?(from_utf8_safe(src_nb_calculated_for)) && src_nb_calculated_for != '/'
3191                     if File.readable?(from_utf8_safe(src_nb_calculated_for))
3192                         src_nb_thread = Thread.new {
3193                             gtk_thread_protect { src_nb.set_markup(utf8(_("<span size='small'><i>processing...</i></span>"))) }
3194                             total = { 'image' => 0, 'video' => 0, nil => 0 }
3195                             `find '#{from_utf8_safe(src_nb_calculated_for)}' -type d -follow`.each { |dir|
3196                                 if File.basename(dir) =~ /^\./
3197                                     next
3198                                 else
3199                                     begin
3200                                         Dir.entries(dir.chomp).each { |file|
3201                                             total[entry2type(file)] += 1
3202                                         }
3203                                     rescue Errno::EACCES, Errno::ENOENT
3204                                     end
3205                                 end
3206                             }
3207                             gtk_thread_protect { src_nb.set_markup(utf8(_("<span size='small'><i>%s photos and %s videos</i></span>") % [ total['image'], total['video'] ])) }
3208                             src_nb_thread = nil
3209                         }
3210                     else
3211                         src_nb.set_markup(utf8(_("<span size='small'><i>permission denied</i></span>")))
3212                     end
3213                 else
3214                     src_nb.set_markup(utf8(_("<span size='small'><i>N/A</i></span>")))
3215                 end
3216             end
3217         end
3218         true
3219     }
3220     timeout_src_nb = Gtk.timeout_add(100) {
3221         process_src_nb.call
3222     }
3223
3224     src_browse.signal_connect('clicked') {
3225         fc = Gtk::FileChooserDialog.new(utf8(_("Select the directory of photos/videos")),
3226                                         nil,
3227                                         Gtk::FileChooser::ACTION_SELECT_FOLDER,
3228                                         nil,
3229                                         [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3230         fc.transient_for = $main_window
3231         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
3232             src.text = utf8(fc.filename)
3233             process_src_nb.call
3234             conf.text = File.expand_path("~/.booh/#{File.basename(src.text)}")
3235         end
3236         fc.destroy
3237     }
3238
3239     dest_browse.signal_connect('clicked') {
3240         fc = Gtk::FileChooserDialog.new(utf8(_("Select a new directory where to put the web-album")),
3241                                         nil,
3242                                         Gtk::FileChooser::ACTION_CREATE_FOLDER,
3243                                         nil,
3244                                         [Gtk::Stock::OPEN, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3245         fc.transient_for = $main_window
3246         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
3247             dest.text = utf8(fc.filename)
3248         end
3249         fc.destroy
3250     }
3251
3252     conf_browse.signal_connect('clicked') {
3253         fc = Gtk::FileChooserDialog.new(utf8(_("Select a new file to store this album's properties")),
3254                                         nil,
3255                                         Gtk::FileChooser::ACTION_SAVE,
3256                                         nil,
3257                                         [Gtk::Stock::SAVE, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3258         fc.transient_for = $main_window
3259         fc.add_shortcut_folder(File.expand_path("~/.booh"))
3260         fc.set_current_folder(File.expand_path("~/.booh"))
3261         if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
3262             conf.text = utf8(fc.filename)
3263         end
3264         fc.destroy
3265     }
3266
3267     theme_sizes = []
3268     nperrows = []
3269     recreate_theme_config = proc {
3270         theme_sizes.each { |e| sizes.remove(e[:widget]) }
3271         theme_sizes = []
3272         select_theme(theme_button.label, 'all', optimize432.active?, nil)
3273         $images_size.each { |s|
3274             sizes.add(cb = Gtk::CheckButton.new(sizename(s['name'], true)))
3275             if !s['optional']
3276                 cb.active = true
3277             end
3278             tooltips.set_tip(cb, utf8(s['description']), nil)
3279             theme_sizes << { :widget => cb, :value => s['name'] }
3280         }
3281         sizes.add(cb = Gtk::CheckButton.new(utf8(_('original'))))
3282         tooltips = Gtk::Tooltips.new
3283         tooltips.set_tip(cb, utf8(_("Include original photo in web-album")), nil)
3284         theme_sizes << { :widget => cb, :value => 'original' }
3285         sizes.show_all
3286
3287         nperrows.each { |e| nperrowradios.remove(e[:widget]) }
3288         nperrow_group = nil
3289         nperrows = []
3290         $allowed_N_values.each { |n|
3291             if nperrow_group
3292                 nperrowradios.add(rb = Gtk::RadioButton.new(nperrow_group, n.to_s, false))
3293             else
3294                 nperrowradios.add(nperrow_group = rb = Gtk::RadioButton.new(n.to_s))
3295             end
3296             tooltips.set_tip(rb, utf8(_("Set the number of thumbnails per row of the 'thumbnails' pages (if chosen theme uses a row arrangement)")), nil)
3297             if $default_N == n
3298                 rb.active = true
3299             end
3300             nperrows << { :widget => rb, :value => n }
3301         }
3302         nperrowradios.show_all
3303     }
3304     recreate_theme_config.call
3305
3306     theme_button.signal_connect('clicked') {
3307         if newtheme = theme_choose(theme_button.label)
3308             theme_button.label = newtheme
3309             recreate_theme_config.call
3310         end
3311     }
3312
3313     dialog.vbox.add(frame1)
3314     dialog.vbox.add(frame2)
3315     dialog.show_all
3316
3317     keepon = true
3318     ok = true
3319     while keepon
3320         dialog.run { |response|
3321             if response == Gtk::Dialog::RESPONSE_OK
3322                 srcdir = from_utf8_safe(src.text)
3323                 destdir = from_utf8_safe(dest.text)
3324                 confpath = from_utf8_safe(conf.text)
3325                 if src.text != '' && srcdir == ''
3326                     show_popup(dialog, utf8(_("The directory of photos/videos is invalid. Please check your input.")))
3327                     src.grab_focus
3328                 elsif !File.directory?(srcdir)
3329                     show_popup(dialog, utf8(_("The directory of photos/videos doesn't exist. Please check your input.")))
3330                     src.grab_focus
3331                 elsif dest.text != '' && destdir == ''
3332                     show_popup(dialog, utf8(_("The destination directory is invalid. Please check your input.")))
3333                     dest.grab_focus
3334                 elsif destdir != make_dest_filename(destdir)
3335                     show_popup(dialog, utf8(_("Sorry, destination directory can't contain non simple alphanumeric characters.")))
3336                     dest.grab_focus
3337                 elsif File.directory?(destdir) && Dir.entries(destdir).size > 2
3338                     keepon = !show_popup(dialog, utf8(_("The destination directory already exists. All existing files and directories
3339 inside it will be permanently removed before creating the web-album!
3340 Are you sure you want to continue?")), { :okcancel => true })
3341                     dest.grab_focus
3342                 elsif File.exists?(destdir) && !File.directory?(destdir)
3343                     show_popup(dialog, utf8(_("There is already a file by the name of the destination directory. Please choose another one.")))
3344                     dest.grab_focus
3345                 elsif conf.text == ''
3346                     show_popup(dialog, utf8(_("Please specify a filename to store the album's properties.")))
3347                     conf.grab_focus
3348                 elsif conf.text != '' && confpath == ''
3349                     show_popup(dialog, utf8(_("The filename to store the album's properties is invalid. Please check your input.")))
3350                     conf.grab_focus
3351                 elsif File.directory?(confpath)
3352                     show_popup(dialog, utf8(_("Sorry, the filename specified to store the album's properties is an existing directory. Please choose another one.")))
3353                     conf.grab_focus
3354                 elsif !theme_sizes.detect { |e| e[:value] != 'original' && e[:widget].active? }
3355                     show_popup(dialog, utf8(_("You need to select at least one size (not counting original).")))
3356                 else
3357                     system("mkdir '#{destdir}'")
3358                     if !File.directory?(destdir)
3359                         show_popup(dialog, utf8(_("Could not create destination directory. Permission denied?")))
3360                         dest.grab_focus
3361                     else
3362                         keepon = false
3363                     end
3364                 end
3365             else
3366                 keepon = ok = false
3367             end
3368         }
3369     end
3370     if ok
3371         srcdir = from_utf8(src.text)
3372         destdir = from_utf8(dest.text)
3373         configskel = File.expand_path(from_utf8(conf.text))
3374         theme = theme_button.label
3375         #- some sort of automatic theme preference
3376         $config['default-theme'] = theme
3377         $config['default-multi-languages'] = multilanguages_value
3378         $config['default-optimize32'] = optimize432.active?.to_s
3379         sizes = theme_sizes.find_all { |e| e[:widget].active? }.collect { |e| e[:value] }.join(',')
3380         nperrow = nperrows.find { |e| e[:widget].active? }[:value]
3381         nperpage = nperpage_model.get_value(nperpagecombo.active_iter, 1)
3382         opt432 = optimize432.active?
3383         madewith = madewithentry.text.gsub('\'', '&#39;')  #- because the parameters to booh-backend are between apostrophes
3384         indexlink = indexlinkentry.text.gsub('\'', '&#39;')
3385     end
3386     if src_nb_thread
3387         Thread.kill(src_nb_thread)
3388         gtk_thread_flush  #- needed because we're about to destroy widgets in dialog, for which they may be some pending gtk calls
3389     end
3390     dialog.destroy
3391     Gtk.timeout_remove(timeout_src_nb)
3392
3393     if ok
3394         call_backend("booh-backend --source '#{srcdir}' --destination '#{destdir}' --config-skel '#{configskel}' --for-gui " +
3395                      "--verbose-level #{$verbose_level} --theme #{theme} --sizes #{sizes} --thumbnails-per-row #{nperrow} " +
3396                      (nperpage ? "--thumbnails-per-page #{nperpage} " : '') +
3397                      (multilanguages_value ? "--multi-languages #{multilanguages_value} " : '') +
3398                      "#{opt432 ? '--optimize-for-32' : ''} --made-with '#{madewith}' --index-link '#{indexlink}' #{additional_booh_options}",
3399                      utf8(_("Please wait while scanning source directory...")),
3400                      'full scan',
3401                      { :closure_after => proc {
3402                              open_file_user(configskel)
3403                              $main_window.urgency_hint = true
3404                          } })
3405     end
3406 end
3407
3408 def properties
3409     dialog = Gtk::Dialog.new(utf8(_("Properties of your album")),
3410                              $main_window,
3411                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
3412                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
3413                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3414
3415     source = $xmldoc.root.attributes['source']
3416     dest = $xmldoc.root.attributes['destination']
3417     theme = $xmldoc.root.attributes['theme']
3418     opt432 = !$xmldoc.root.attributes['optimize-for-32'].nil?
3419     nperrow = $xmldoc.root.attributes['thumbnails-per-row']
3420     nperpage = $xmldoc.root.attributes['thumbnails-per-page']
3421     limit_sizes = $xmldoc.root.attributes['limit-sizes']
3422     if limit_sizes
3423         limit_sizes = limit_sizes.split(/,/)
3424     end
3425     madewith = ($xmldoc.root.attributes['made-with'] || '').gsub('&#39;', '\'')
3426     indexlink = ($xmldoc.root.attributes['index-link'] || '').gsub('&#39;', '\'')
3427     save_multilanguages_value = multilanguages_value = $xmldoc.root.attributes['multi-languages']
3428
3429     tooltips = Gtk::Tooltips.new
3430     frame1 = Gtk::Frame.new(utf8(_("Locations"))).add(tbl = Gtk::Table.new(0, 0, false))
3431     tbl.attach(Gtk::Label.new(utf8(_("Directory of source photos/videos: "))),
3432                0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3433     tbl.attach(Gtk::Alignment.new(0, 0.5, 0, 0).add(Gtk::Label.new.set_markup('<i>' + source + '</i>')),
3434                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
3435     tbl.attach(Gtk::Label.new(utf8(_("Directory where the web-album is created: "))),
3436                0, 1, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3437     tbl.attach(Gtk::Alignment.new(0, 0.5, 0, 0).add(Gtk::Label.new.set_markup('<i>' + dest + '</i>').set_selectable(true)),
3438                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
3439     tbl.attach(Gtk::Label.new(utf8(_("Filename where this album's properties are stored: "))),
3440                0, 1, 3, 4, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3441     tbl.attach(Gtk::Alignment.new(0, 0.5, 0, 0).add(Gtk::Label.new.set_markup('<i>' + $orig_filename + '</i>').set_selectable(true)),
3442                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3443
3444     frame2 = Gtk::Frame.new(utf8(_("Configuration"))).add(vb = Gtk::VBox.new)
3445     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Theme: "))), false, false, 0).
3446                                    pack_start(theme_button = Gtk::Button.new(theme), false, false, 0))
3447     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Sizes of images to generate: "))), false, false, 0).
3448                                    pack_start(sizes = Gtk::HBox.new, false, false, 0))
3449     vb.add(optimize432 = Gtk::CheckButton.new(utf8(_("Optimize for 3/2 aspect ratio"))).set_active(opt432))
3450     tooltips.set_tip(optimize432, utf8(_("Resize images with optimized sizes for 3/2 aspect ratio rather than 4/3 (typical aspect ratio of photos from point-and-shoot cameras - also called compact cameras - is 4/3, whereas photos from SLR cameras - also called reflex cameras - is 3/2)")), nil)
3451     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Number of thumbnails per row: "))), false, false, 0).
3452                                    pack_start(nperrowradios = Gtk::HBox.new, false, false, 0))
3453     nperpage_model = Gtk::ListStore.new(String, String)
3454     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("Number of thumbnails per page: "))), false, false, 0).
3455                                    pack_start(nperpagecombo = Gtk::ComboBox.new(nperpage_model), false, false, 0))
3456     nperpagecombo.pack_start(crt = Gtk::CellRendererText.new, false)
3457     nperpagecombo.set_attributes(crt, { :markup => 0 })
3458     iter = nperpage_model.append
3459     iter[0] = utf8(_("<i>None - all thumbnails in one page</i>"))
3460     iter[1] = nil
3461     [ 12, 20, 30, 40, 50 ].each { |v|
3462         iter = nperpage_model.append
3463         iter[0] = iter[1] = v.to_s
3464         if nperpage && nperpage == v.to_s
3465             nperpagecombo.active_iter = iter
3466         end
3467     }
3468     if nperpagecombo.active_iter.nil?
3469         nperpagecombo.active = 0
3470     end
3471
3472     vb.add(ml = Gtk::HBox.new(false, 3).pack_start(ml_label = Gtk::Label.new, false, false, 0).
3473                                         pack_start(multilanguages = Gtk::Button.new(utf8(_("Configure multi-languages"))), false, false, 0))
3474     tooltips.set_tip(ml, utf8(_("When disabled, the web-album will be generated with navigation in your desktop language. When enabled, the web-album will be generated with navigation in all languages you select, but you have to publish your web-album on an Apache web-server for that feature to work.")), nil)
3475     ml_update = proc {
3476         if save_multilanguages_value
3477             ml_label.text = utf8(_("Multi-languages: enabled."))
3478         else
3479             ml_label.text = utf8(_("Multi-languages: disabled."))
3480         end
3481     }
3482     ml_update.call
3483     multilanguages.signal_connect('clicked') {
3484         retval = ask_multi_languages(save_multilanguages_value)
3485         if retval[0]
3486             save_multilanguages_value = retval[1]
3487         end
3488         ml_update.call
3489     }
3490
3491     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("'Return to your website' link on pages bottom: "))), false, false, 0).
3492                                    pack_start(indexlinkentry = Gtk::Entry.new, true, true, 0))
3493     if indexlink
3494         indexlinkentry.text = indexlink
3495     end
3496     tooltips.set_tip(indexlinkentry, utf8(_("Optional HTML markup to use on pages bottom for a small link returning to wherever you see fit in your website (or somewhere else)")), nil)
3497     vb.add(Gtk::HBox.new(false, 3).pack_start(Gtk::Label.new(utf8(_("'Made with' markup on pages bottom: "))), false, false, 0).
3498                                    pack_start(madewithentry = Gtk::Entry.new, true, true, 0))
3499     if madewith
3500         madewithentry.text = madewith
3501     end
3502     tooltips.set_tip(madewithentry, utf8(_('Optional HTML markup to use on pages bottom for a small \'made with\' label; %booh is replaced by the website of booh;\nfor example: made with <a href=%booh>booh</a>!')), nil)
3503
3504     theme_sizes = []
3505     nperrows = []
3506     recreate_theme_config = proc {
3507         theme_sizes.each { |e| sizes.remove(e[:widget]) }
3508         theme_sizes = []
3509         select_theme(theme_button.label, 'all', optimize432.active?, nperrow)
3510
3511         $images_size.each { |s|
3512             sizes.add(cb = Gtk::CheckButton.new(sizename(s['name'], true)))
3513             if limit_sizes
3514                 if limit_sizes.include?(s['name'])
3515                     cb.active = true
3516                 end
3517             else
3518                 if !s['optional']
3519                     cb.active = true
3520                 end
3521             end
3522             tooltips.set_tip(cb, utf8(s['description']), nil)
3523             theme_sizes << { :widget => cb, :value => s['name'] }
3524         }
3525         sizes.add(cb = Gtk::CheckButton.new(utf8(_('original'))))
3526         tooltips = Gtk::Tooltips.new
3527         tooltips.set_tip(cb, utf8(_("Include original photo in web-album")), nil)
3528         if limit_sizes && limit_sizes.include?('original')
3529             cb.active = true
3530         end
3531         theme_sizes << { :widget => cb, :value => 'original' }
3532         sizes.show_all
3533
3534         nperrows.each { |e| nperrowradios.remove(e[:widget]) }
3535         nperrow_group = nil
3536         nperrows = []
3537         $allowed_N_values.each { |n|
3538             if nperrow_group
3539                 nperrowradios.add(rb = Gtk::RadioButton.new(nperrow_group, n.to_s, false))
3540             else
3541                 nperrowradios.add(nperrow_group = rb = Gtk::RadioButton.new(n.to_s))
3542             end
3543             tooltips.set_tip(rb, utf8(_("Set the number of thumbnails per row of the 'thumbnails' pages (if chosen theme uses a row arrangement)")), nil)
3544             nperrowradios.add(Gtk::Label.new('  '))
3545             if nperrow && n.to_s == nperrow || !nperrow && $default_N == n
3546                 rb.active = true
3547             end
3548             nperrows << { :widget => rb, :value => n.to_s }
3549         }
3550         nperrowradios.show_all
3551     }
3552     recreate_theme_config.call
3553
3554     theme_button.signal_connect('clicked') {
3555         if newtheme = theme_choose(theme_button.label)
3556             limit_sizes = nil
3557             nperrow = nil
3558             theme_button.label = newtheme
3559             recreate_theme_config.call
3560         end
3561     }
3562
3563     dialog.vbox.add(frame1)
3564     dialog.vbox.add(frame2)
3565     dialog.show_all
3566
3567     keepon = true
3568     ok = true
3569     while keepon
3570         dialog.run { |response|
3571             if response == Gtk::Dialog::RESPONSE_OK
3572                 if !theme_sizes.detect { |e| e[:value] != 'original' && e[:widget].active? }
3573                     show_popup(dialog, utf8(_("You need to select at least one size (not counting original).")))
3574                 else
3575                     keepon = false
3576                 end
3577             else
3578                 keepon = ok = false
3579             end
3580         }
3581     end
3582     save_theme = theme_button.label
3583     save_limit_sizes = theme_sizes.find_all { |e| e[:widget].active? }.collect { |e| e[:value] }
3584     save_opt432 = optimize432.active?
3585     save_nperrow = nperrows.find { |e| e[:widget].active? }[:value]
3586     save_nperpage = nperpage_model.get_value(nperpagecombo.active_iter, 1)
3587     save_madewith = madewithentry.text.gsub('\'', '&#39;')  #- because the parameters to booh-backend are between apostrophes
3588     save_indexlink = indexlinkentry.text.gsub('\'', '&#39;')
3589     dialog.destroy
3590
3591     if ok && (save_theme != theme || save_limit_sizes != limit_sizes || save_opt432 != opt432 || save_nperrow != nperrow || save_nperpage != nperpage || save_madewith != madewith || save_indexlink != indexlinkentry || save_multilanguages_value != multilanguages_value)
3592         #- some sort of automatic preferences
3593         if save_theme != theme
3594             $config['default-theme'] = save_theme
3595         end
3596         if save_multilanguages_value != multilanguages_value
3597             $config['default-multi-languages'] = save_multilanguages_value
3598         end
3599         if save_opt432 != opt432
3600             $config['default-optimize32'] = save_opt432.to_s
3601         end
3602         mark_document_as_dirty
3603         save_current_file
3604         call_backend("booh-backend --use-config '#{$filename}' --for-gui --verbose-level #{$verbose_level} " +
3605                      "--thumbnails-per-row #{save_nperrow} --theme #{save_theme} --sizes #{save_limit_sizes.join(',')} " +
3606                      (save_nperpage ? "--thumbnails-per-page #{save_nperpage} " : '') +
3607                      (save_multilanguages_value ? "--multi-languages #{save_multilanguages_value} " : '') +
3608                      "#{save_opt432 ? '--optimize-for-32' : ''} --made-with '#{save_madewith}' --index-link '#{save_indexlink}' #{additional_booh_options}",
3609                      utf8(_("Please wait while scanning source directory...")),
3610                      'full scan',
3611                      { :closure_after => proc {
3612                              open_file($filename)
3613                              $modified = true
3614                              $main_window.urgency_hint = true
3615                          } })
3616     else
3617         #- select_theme merges global variables, need to return to current choices
3618         select_current_theme
3619     end
3620 end
3621
3622 def merge_current
3623     save_current_file
3624
3625     sel = $albums_tv.selection.selected_rows
3626
3627     call_backend("booh-backend --merge-config-onedir '#{$filename}' --dir '#{from_utf8($current_path)}' --for-gui " +
3628                  "--verbose-level #{$verbose_level} #{additional_booh_options}",
3629                  utf8(_("Please wait while scanning source directory...")),
3630                  'one dir scan',
3631                  { :closure_after => proc {
3632                          open_file($filename)
3633                          $albums_tv.selection.select_path(sel[0])
3634                          $modified = true
3635                          $main_window.urgency_hint = true
3636                      } })
3637 end
3638
3639 def merge_newsubs
3640     save_current_file
3641
3642     sel = $albums_tv.selection.selected_rows
3643
3644     call_backend("booh-backend --merge-config-subdirs '#{$filename}' --dir '#{from_utf8($current_path)}' --for-gui " +
3645                  "--verbose-level #{$verbose_level} #{additional_booh_options}",
3646                  utf8(_("Please wait while scanning source directory...")),
3647                  'subdirs scan',
3648                  { :closure_after => proc {
3649                          open_file($filename)
3650                          $albums_tv.selection.select_path(sel[0])
3651                          $modified = true
3652                          $main_window.urgency_hint = true
3653                      } })
3654 end
3655
3656 def merge
3657     save_current_file
3658
3659     theme = $xmldoc.root.attributes['theme']
3660     limit_sizes = $xmldoc.root.attributes['limit-sizes']
3661     if limit_sizes
3662         limit_sizes = "--sizes #{limit_sizes}"
3663     end
3664     call_backend("booh-backend --merge-config '#{$filename}' --for-gui " +
3665                  "--verbose-level #{$verbose_level} --theme #{theme} #{limit_sizes} #{additional_booh_options}",
3666                  utf8(_("Please wait while scanning source directory...")),
3667                  'full scan',
3668                  { :closure_after => proc {
3669                          open_file($filename)
3670                          $modified = true
3671                          $main_window.urgency_hint = true
3672                      } })
3673 end
3674
3675 def save_as_do
3676     fc = Gtk::FileChooserDialog.new(utf8(_("Select a new filename to store this album's properties")),
3677                                     nil,
3678                                     Gtk::FileChooser::ACTION_SAVE,
3679                                     nil,
3680                                     [Gtk::Stock::SAVE, Gtk::Dialog::RESPONSE_ACCEPT], [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3681     fc.transient_for = $main_window
3682     fc.add_shortcut_folder(File.expand_path("~/.booh"))
3683     fc.set_current_folder(File.expand_path("~/.booh"))
3684     fc.filename = $orig_filename
3685     if fc.run == Gtk::Dialog::RESPONSE_ACCEPT
3686         $orig_filename = fc.filename
3687         if ! save_current_file_user
3688             fc.destroy
3689             return save_as_do
3690         end
3691         $config['last-opens'] ||= []
3692         $config['last-opens'] << $orig_filename
3693     end
3694     fc.destroy
3695 end
3696
3697 def preferences
3698     dialog = Gtk::Dialog.new(utf8(_("Edit preferences")),
3699                              $main_window,
3700                              Gtk::Dialog::MODAL | Gtk::Dialog::DESTROY_WITH_PARENT,
3701                              [Gtk::Stock::OK, Gtk::Dialog::RESPONSE_OK],
3702                              [Gtk::Stock::CANCEL, Gtk::Dialog::RESPONSE_CANCEL])
3703
3704     dialog.vbox.add(notebook = Gtk::Notebook.new)
3705     notebook.append_page(tbl = Gtk::Table.new(0, 0, false), Gtk::Label.new(utf8(_("Options"))))
3706     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for watching videos: ")))),
3707                0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
3708     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(video_viewer_entry = Gtk::Entry.new.set_text($config['video-viewer']).set_size_request(250, -1)),
3709                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
3710     tooltips = Gtk::Tooltips.new
3711     tooltips.set_tip(video_viewer_entry, utf8(_("Use %f to specify the filename;
3712 for example: /usr/bin/mplayer %f")), nil)
3713     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Command for editing images: ")))),
3714                0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3715     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(image_editor_entry = Gtk::Entry.new.set_text($config['image-editor'])),
3716                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3717     tooltips.set_tip(image_editor_entry, utf8(_("Use %f to specify the filename;
3718 for example: /usr/bin/gimp-remote %f")), nil)
3719     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(Gtk::Label.new.set_markup(utf8(_("Browser's command: ")))),
3720                0, 1, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
3721     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(browser_entry = Gtk::Entry.new.set_text($config['browser'])),
3722                1, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
3723     tooltips.set_tip(browser_entry, utf8(_("Use %f to specify the filename;
3724 for example: /usr/bin/mozilla-firefox -remote 'openURL(%f,new-window)' || /usr/bin/mozilla-firefox %f")), nil)
3725     tbl.attach(Gtk::Alignment.new(1, 0.5, 0, 0).add(smp_check = Gtk::CheckButton.new(utf8(_("Use symmetric multi-processing")))),
3726                0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3727     tbl.attach(Gtk::Alignment.new(0, 0.5, 1, 0).add(smp_hbox = Gtk::HBox.new.add(smp_spin = Gtk::SpinButton.new(2, 16, 1)).add(Gtk::Label.new(utf8(_("processors")))).set_sensitive(false)),
3728                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3729     tooltips.set_tip(smp_check, utf8(_("When activated, this option allows the thumbnails creation to run faster. However, if you don't have a multi-processor machine, this will only slow down processing!")), nil)
3730     tbl.attach(nogestures_check = Gtk::CheckButton.new(utf8(_("Disable mouse gestures"))),
3731                0, 2, 4, 5, Gtk::FILL, Gtk::SHRINK, 2, 2)
3732     tooltips.set_tip(nogestures_check, utf8(_("Mouse gestures are 'unusual' mouse movements triggering special actions, and are great for speeding up your editions. Get details on available mouse gestures from the Help menu.")), nil)
3733     tbl.attach(deleteondisk_check = Gtk::CheckButton.new(utf8(_("Delete original photos/videos as well"))),
3734                0, 2, 6, 7, Gtk::FILL, Gtk::SHRINK, 2, 2)
3735     tooltips.set_tip(deleteondisk_check, utf8(_("Normally, deleting a photo or video in booh only removes it from the web-album. If you check this option, the original file in source directory will be removed as well. Undo is possible, since actual deletion is performed only when web-album is saved.")), nil)
3736
3737     smp_check.signal_connect('toggled') {
3738         smp_hbox.sensitive = smp_check.active?
3739     }
3740     if $config['mproc']
3741         smp_check.active = true
3742         smp_spin.value = $config['mproc'].to_i
3743     end
3744     nogestures_check.active = $config['nogestures']
3745     deleteondisk_check.active = $config['deleteondisk']
3746
3747     notebook.append_page(tbl = Gtk::Table.new(0, 0, false), Gtk::Label.new(utf8(_("Advanced"))))
3748     tbl.attach(Gtk::Label.new.set_markup(utf8(_("Options to pass to <i>convert</i> when\nperforming 'enhance contrast': "))),
3749                0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 2, 2)
3750     tbl.attach(enhance_entry = Gtk::Entry.new.set_text($config['convert-enhance'] || $convert_enhance).set_size_request(250, -1),
3751                1, 2, 0, 1, Gtk::FILL, Gtk::SHRINK, 2, 2)
3752     tbl.attach(Gtk::Label.new.set_markup(utf8(_("Format to use for comments of \nphotos in new albums:"))),
3753                0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3754     tbl.attach(commentsformat_entry = Gtk::Entry.new.set_text($config['comments-format']),
3755                1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3756     tbl.attach(commentsformat_help = Gtk::Button.new(Gtk::Stock::HELP),
3757                2, 3, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 2)
3758     tooltips.set_tip(commentsformat_entry, utf8(_("Normally, filenames without extension are used as comments for photos and videos in new albums. Use this entry to use something else.")), nil)
3759     commentsformat_help.signal_connect('clicked') {
3760         show_popup(dialog, utf8(_("The comments format you specify is actually passed to the 'identify' program,
3761 hence you should look at ImageMagick/identify documentation for the most
3762 accurate and up-to-date documentation. Last time I checked, documentation
3763 was:
3764
3765 Print information about the image in a format of your choosing. You can
3766 include the image filename, type, width, height, Exif data, or other image
3767 attributes by embedding special format characters:
3768
3769                      %O   page offset
3770                      %P   page width and height
3771                      %b   file size
3772                      %c   comment
3773                      %d   directory
3774                      %e   filename extension
3775                      %f   filename
3776                      %g   page geometry
3777                      %h   height
3778                      %i   input filename
3779                      %k   number of unique colors
3780                      %l   label
3781                      %m   magick
3782                      %n   number of scenes
3783                      %o   output filename
3784                      %p   page number
3785                      %q   quantum depth
3786                      %r   image class and colorspace
3787                      %s   scene number
3788                      %t   top of filename
3789                      %u   unique temporary filename
3790                      %w   width
3791                      %x   x resolution
3792                      %y   y resolution
3793                      %z   image depth
3794                      %@   bounding box
3795                      %#   signature
3796                      %%   a percent sign
3797
3798 For example,
3799
3800     %m:%f %wx%h
3801
3802 displays MIFF:bird.miff 512x480 for an image titled bird.miff and whose
3803 width is 512 and height is 480.
3804
3805 If the first character of string is @, the format is read from a file titled
3806 by the remaining characters in the string.
3807
3808 You can also use the following special formatting syntax to print Exif
3809 information contained in the file:
3810
3811     %[EXIF:tag]
3812
3813 Where tag can be one of the following:
3814
3815     *  (print all Exif tags, in keyword=data format)
3816     !  (print all Exif tags, in tag_number data format)
3817     #hhhh (print data for Exif tag #hhhh)
3818     ImageWidth
3819     ImageLength
3820     BitsPerSample
3821     Compression
3822     PhotometricInterpretation
3823     FillOrder
3824     DocumentName
3825     ImageDescription
3826     Make
3827     Model
3828     StripOffsets
3829     Orientation
3830     SamplesPerPixel
3831     RowsPerStrip
3832     StripByteCounts
3833     XResolution
3834     YResolution
3835     PlanarConfiguration
3836     ResolutionUnit
3837     TransferFunction
3838     Software
3839     DateTime
3840     Artist
3841     WhitePoint
3842     PrimaryChromaticities
3843     TransferRange
3844     JPEGProc
3845     JPEGInterchangeFormat
3846     JPEGInterchangeFormatLength
3847     YCbCrCoefficients
3848     YCbCrSubSampling
3849     YCbCrPositioning
3850     ReferenceBlackWhite
3851     CFARepeatPatternDim
3852     CFAPattern
3853     BatteryLevel
3854     Copyright
3855     ExposureTime
3856     FNumber
3857     IPTC/NAA
3858     ExifOffset
3859     InterColorProfile
3860     ExposureProgram
3861     SpectralSensitivity
3862     GPSInfo
3863     ISOSpeedRatings
3864     OECF
3865     ExifVersion
3866     DateTimeOriginal
3867     DateTimeDigitized
3868     ComponentsConfiguration
3869     CompressedBitsPerPixel
3870     ShutterSpeedValue
3871     ApertureValue
3872     BrightnessValue
3873     ExposureBiasValue
3874     MaxApertureValue
3875     SubjectDistance
3876     MeteringMode
3877     LightSource
3878     Flash
3879     FocalLength
3880     MakerNote
3881     UserComment
3882     SubSecTime
3883     SubSecTimeOriginal
3884     SubSecTimeDigitized
3885     FlashPixVersion
3886     ColorSpace
3887     ExifImageWidth
3888     ExifImageLength
3889     InteroperabilityOffset
3890     FlashEnergy
3891     SpatialFrequencyResponse
3892     FocalPlaneXResolution
3893     FocalPlaneYResolution
3894     FocalPlaneResolutionUnit
3895     SubjectLocation
3896     ExposureIndex
3897     SensingMethod
3898     FileSource
3899     SceneType")), { :scrolled => true })
3900     }
3901     tbl.attach(update_exif_orientation_check = Gtk::CheckButton.new(utf8(_("Update file's EXIF orientation when rotating a picture"))),
3902                0, 2, 2, 3, Gtk::FILL, Gtk::SHRINK, 2, 2)
3903     tooltips.set_tip(update_exif_orientation_check, utf8(_("When rotating a picture (Alt-Right/Left), also update EXIF orientation in the file itself")), nil)
3904     update_exif_orientation_check.active = $config['rotate-set-exif'] == 'true'
3905     tbl.attach(transcode_videos = Gtk::CheckButton.new(utf8(_("Transcode videos"))).set_active(!$config['transcode-videos'].nil?),
3906                0, 1, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3907     transcode_videos.active = ! $config['transcode-videos'].nil?
3908     tbl.attach(transcode_videos_command = Gtk::Entry.new.set_text($config['transcode-videos'] || 'avi:mencoder -nosound -ovc xvid -xvidencopts bitrate=800:me_quality=6 -o %o %f'),
3909                1, 2, 3, 4, Gtk::FILL, Gtk::SHRINK, 2, 2)
3910     tooltips.set_tip(transcode_videos, utf8(_("Whether to transcode videos into the web-album instead of using the original videos directly (can be an interesting disk space saver!). First put the extension of the output video and a colon; then use %f to specify the input and %o the output;
3911 for example: avi:mencoder -nosound -ovc xvid -xvidencopts bitrate=800:me_quality=6 -o %o %f")), nil)
3912     transcode_videos.signal_connect('toggled') {
3913         transcode_videos_command.sensitive = transcode_videos.active?
3914     }
3915     transcode_videos_command.sensitive = transcode_videos.active?
3916
3917     dialog.vbox.show_all
3918     dialog.run { |response|
3919         if response == Gtk::Dialog::RESPONSE_OK
3920             $config['video-viewer'] = from_utf8(video_viewer_entry.text)
3921             $config['image-editor'] = from_utf8(image_editor_entry.text)
3922             $config['browser'] = from_utf8(browser_entry.text)
3923             if smp_check.active?
3924                 $config['mproc'] = smp_spin.value.to_i
3925             else
3926                 $config.delete('mproc')
3927             end
3928             $config['nogestures'] = nogestures_check.active?
3929             $config['deleteondisk'] = deleteondisk_check.active?
3930
3931             $config['convert-enhance'] = from_utf8(enhance_entry.text)
3932             $config['comments-format'] = from_utf8(commentsformat_entry.text.gsub(/'/, ''))
3933             $config['rotate-set-exif'] = update_exif_orientation_check.active?.to_s
3934             if transcode_videos.active?
3935                 $config['transcode-videos'] = transcode_videos_command.text
3936             else
3937                 $config.delete('transcode-videos')
3938             end
3939         end
3940     }
3941     dialog.destroy
3942 end
3943
3944 def perform_undo
3945     if $undo_tb.sensitive?
3946         $redo_tb.sensitive = $redo_mb.sensitive = true
3947         if not more_undoes = UndoHandler.undo($statusbar)
3948             $undo_tb.sensitive = $undo_mb.sensitive = false
3949         end
3950     end
3951 end
3952
3953 def perform_redo
3954     if $redo_tb.sensitive?
3955         $undo_tb.sensitive = $undo_mb.sensitive = true
3956         if not more_redoes = UndoHandler.redo($statusbar)
3957             $redo_tb.sensitive = $redo_mb.sensitive = false
3958         end
3959     end
3960 end
3961
3962 def show_one_click_explanation(intro)
3963     show_popup($main_window, utf8(_("<b>One-Click tools.</b>
3964
3965 %s When such a tool is activated
3966 (<span foreground='darkblue'>Rotate clockwise</span>, <span foreground='darkblue'>Rotate counter-clockwise</span>, <span foreground='darkblue'>Enhance</span> or <span foreground='darkblue'>Delete</span>), clicking
3967 on a thumbnail will immediately apply the desired action.
3968
3969 Click the <span foreground='darkblue'>None</span> icon when you're finished with One-Click tools.
3970 ") % intro), { :pos_centered => true })
3971 end
3972
3973 def create_menu_and_toolbar
3974
3975     #- menu
3976     mb = Gtk::MenuBar.new
3977
3978     filemenu =