Class: APNGAsmGUI::EditorWindow

Inherits:
Object
  • Object
show all
Defined in:
lib/apngasm-gui/editor_window.rb

Instance Method Summary collapse

Constructor Details

#initialize(width = 800, height = 600) ⇒ EditorWindow

Returns a new instance of EditorWindow.



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# File 'lib/apngasm-gui/editor_window.rb', line 7

def initialize(width = 800, height = 600)
  @play = false
  @loop_status = false
  @frames_status = false

  @builder = Gtk::Builder.new
  @builder.add_from_file(File.expand_path('../layout.glade', __FILE__))

  @window_base = @builder['editor_window']
  @window_base.set_default_size(width, height)

  $preview = @builder['preview_image']

  @frame_hbox = Gtk::Box.new(:horizontal)
  @frame_list = APNGAsmGUI::FrameList.new(@frame_hbox)

  @scrolled_window = @builder['frame_list_scrolled_window']
  @scrolled_window.add_with_viewport(@frame_hbox)

  @first_button = @builder['first_button']
  @first_button.signal_connect('clicked') do
    move_to_first
  end

  @back_button = @builder['back_button']
  @back_button.signal_connect('clicked') do
    move_to_prev
  end

  @play_button = @builder['play_button']
  @play_button.signal_connect('clicked') do
    if @play
      stop_animation
    elsif @frame_list.size > 1
      play_animation
    end
  end

  @forward_button = @builder['forward_button']
  @forward_button.signal_connect('clicked') do
    move_to_next
  end

  @last_button = @builder['last_button']
  @last_button.signal_connect('clicked') do
    move_to_last
  end

  @add_frame_button = @builder['add_frame_button']
  @add_frame_button.signal_connect('clicked') do
    add_dialog
  end

  @import_button = @builder['file_chooser']
  @import_button.add_filter(create_filter)
  @import_button.signal_connect('file_set') do |response|
    file_import(File.expand_path(response.filename))
  end

  @export_button = @builder['export_button']
  @export_button.signal_connect('clicked') do
    export_dialog if @frame_list.size > 0
  end

  @loop_checkbutton = @builder['loop_checkbutton']
  @loop_checkbutton.signal_connect('toggled') do
    @loop_status = @loop_checkbutton.active?
    @play_loop.set_active(@loop_status)
  end

  @frames_checkbutton = @builder['frames_checkbutton']
  @frames_checkbutton.signal_connect('toggled') do
    @frames_status = @frames_checkbutton.active?
  end

  @file_new = @builder['menu_file_new']
  @file_new.signal_connect('activate') do
    label = Gtk::Label.new('New File?')
    label.show
    dialog = create_confirm_dialog(label, "new")
    dialog.destroy
  end

  @file_import = @builder['menu_file_import']
  @file_import.signal_connect('activate') do
    import_dialog
  end

  @file_export = @builder['menu_file_export']
  @file_export.signal_connect('activate') do
    export_dialog if @frame_list.size > 0
  end

  @file_export_frames = @builder['menu_file_export_frames']
  @file_export_frames.signal_connect('activate') do
    @frames_checkbutton.set_active(true)
    @frames_status = true
    export_dialog if @frame_list.size > 0
  end

  @file_quit = @builder['menu_file_quit']
  @file_quit.signal_connect('activate') do
    label = Gtk::Label.new('Quit?')
    label.show
    dialog = create_confirm_dialog(label, "quit")
    dialog.destroy
  end

  @frame_add = @builder['menu_frame_add']
  @frame_add.signal_connect('activate') do
    add_dialog
  end

  @frame_next = @builder['menu_frame_next']
  @frame_next.signal_connect('activate') do
    move_to_next
  end

  @frame_prev = @builder['menu_frame_prev']
  @frame_prev.signal_connect('activate') do
    move_to_prev
  end

  @frame_last = @builder['menu_frame_last']
  @frame_last.signal_connect('activate') do
    move_to_last
  end

  @frame_first = @builder['menu_frame_first']
  @frame_first.signal_connect('activate') do
    move_to_first
  end

  @frame_delete = @builder['menu_frame_delete']
  @frame_delete.signal_connect('activate') do
    if @frame_list.size > 1
      @frame_list.delete_at(@frame_list.cur)
    end
  end

  @play_play = @builder['menu_play_play']
  @play_play.signal_connect('activate') do
    if @frame_list.size > 1 && !@play
      play_animation
    end
  end

  @play_stop = @builder['menu_play_stop']
  @play_stop.signal_connect('activate') do
    stop_animation if @play
  end

  @play_loop = @builder['menu_play_loop']
  @play_loop.set_active(@loop_status)
  @play_loop.signal_connect('toggled') do
    @loop_status = @play_loop.active?
    @loop_checkbutton.set_active(@loop_status)
  end

  @help_about = @builder['menu_help_about']
  @help_about.signal_connect('activate') do
    help_dialog
  end

  @window_base.signal_connect('destroy') do
    Gtk.main_quit
  end

  @window_base.show_all
  Gtk.main
end

Instance Method Details

#add_dialog ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 203

def add_dialog
  dialog = create_dialog('Open File', Gtk::FileChooser::Action::OPEN, Gtk::Stock::OPEN)
  dialog.set_select_multiple(true) 
  dialog.add_filter(create_filter)

  if dialog.run == Gtk::ResponseType::ACCEPT
    dialog.filenames.each do |filename|
      create_frame(File.expand_path(filename))
    end
    @window_base.show_all
  end

  dialog.destroy
end

#create_confirm_dialog(title, mode) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 264

def create_confirm_dialog(title, mode)
  dialog = Gtk::Dialog.new
  dialog.child.pack_start(title, expand: true, fill: true, padding: 30)
  dialog.add_buttons(['Yes', Gtk::ResponseType::YES], ['No', Gtk::ResponseType::NO])

  if dialog.run == Gtk::ResponseType::YES
    @import_button.filename = 'blank'
    @frame_list.delete_all if mode == 'new'
    Gtk.main_quit if mode == 'quit'
  end

  dialog
end

#create_dialog(title, action, stock) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 249

def create_dialog(title, action, stock)
  Gtk::FileChooserDialog.new(title: title,
                             parent: @window_base,
                             action: action,
                             buttons: [[Gtk::Stock::CANCEL, Gtk::ResponseType::CANCEL],
                                      [stock, Gtk::ResponseType::ACCEPT]])
end

#create_filter ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 257

def create_filter
  filter = Gtk::FileFilter.new
  filter.name = 'PNG File'
  filter.add_pattern('*.png')
  filter
end

#create_frame(filename) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 278

def create_frame(filename)
  frame = APNGAsmGUI::Frame.new(filename, @frame_list)
  @frame_list << frame
  $preview.set_pixbuf(frame.pixbuf)
  @frame_list.frame_hbox.pack_start(frame, expand: false, fill: false, padding: 10)
end

#export_dialog ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 230

def export_dialog
  dialog = create_dialog('Save File', Gtk::FileChooser::Action::SAVE, Gtk::Stock::SAVE)
  dialog.do_overwrite_confirmation = true

  if dialog.run == Gtk::ResponseType::ACCEPT
    file_export(File.expand_path(dialog.filename))
  end

  dialog.destroy
end

#file_export(filename) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 336

def file_export(filename)
  adapter = APNGAsmGUI::Adapter.new
  adapter.export(@frame_list, filename, @frames_status)
end

#file_import(filename) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 323

def file_import(filename)
  adapter = APNGAsmGUI::Adapter.new
  new_frames = adapter.import(@frame_list, filename)

  new_frames.each do |frame|
    @frame_list << frame
    @frame_list.frame_hbox.pack_start(frame, expand: false, fill: false, padding: 10)
  end

  $preview.set_pixbuf(@frame_list.pixbuf(@frame_list.cur)) if @frame_list.size > 0
  @window_base.show_all
end

#help_dialog ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 241

def help_dialog
  # TODO dialog message
  dialog = Gtk::MessageDialog.new(message: 'apngasm-gui is a software to create an APNG file.',
                           parent: @window_base)
  dialog.run
  dialog.destroy
end

#import_dialog ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 218

def import_dialog
  dialog = create_dialog('Import File', Gtk::FileChooser::Action::OPEN, Gtk::Stock::OPEN)
  dialog.add_filter(create_filter)

  if dialog.run == Gtk::ResponseType::ACCEPT
    file_import(File.expand_path(dialog.filename))
    @import_button.filename = dialog.filename
  end

  dialog.destroy
end

#move_to_first ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 197

def move_to_first
  if @frame_list.size > 1
    swap_frame(@frame_list.cur, 0)
  end
end

#move_to_last ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 191

def move_to_last
  if @frame_list.size > 1
    swap_frame(@frame_list.cur, @frame_list.size - 1)
  end
end

#move_to_next ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 179

def move_to_next
  if @frame_list.cur < @frame_list.size - 1
    swap_frame(@frame_list.cur, @frame_list.cur + 1)
  end
end

#move_to_prev ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 185

def move_to_prev
  if @frame_list.cur != 0
    swap_frame(@frame_list.cur, @frame_list.cur - 1)
  end
end

#play_animation ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 297

def play_animation
  @play = true
  image = Gtk::Image.new(stock: Gtk::Stock::MEDIA_STOP, size: Gtk::IconSize::IconSize::BUTTON)
  @play_button.set_image(image)

  @frame_list.cur = 0
  @handle = GLib::Idle.add {
    unless @loop_status
      stop_animation if @frame_list.cur == @frame_list.size - 1
    end

    $preview.set_pixbuf(@frame_list.pixbuf(@frame_list.cur))
    @frame_list.cur - 1 < 0 ? delay_num = @frame_list.size - 1 : delay_num = @frame_list.cur - 1
    sleep(@frame_list.delay(delay_num) * 0.001)
    @frame_list.cur + 1 >= @frame_list.size ? @frame_list.cur = 0 : @frame_list.cur += 1
  }
end

#stop_animation ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 315

def stop_animation
  GLib::Source.remove(@handle)

  @play = false
  image = Gtk::Image.new(stock: Gtk::Stock::MEDIA_PLAY, size: Gtk::IconSize::IconSize::BUTTON)
  @play_button.set_image(image)
end

#swap_frame(old_position, new_position) ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 285

def swap_frame(old_position, new_position)
  @frame_list.swap(old_position, new_position)
  @frame_list.cur = new_position
  $preview.set_pixbuf(@frame_list.pixbuf(@frame_list.cur))
  view_reload
end

#view_reload ⇒ Object 



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# File 'lib/apngasm-gui/editor_window.rb', line 292

def view_reload
  @frame_list.view_reload
  @window_base.show_all
end