class ImagesDemo
Public Class Methods
new(main_window)
click to toggle source
# File gtk3/sample/gtk-demo/images.rb, line 22 def initialize(main_window) @window = Gtk::Window.new(:toplevel) @window.screen = main_window.screen @window.title = "Images" @window.signal_connect "destroy" do GLib::Source.remove(@load_timeout) if @load_timeout @pixbuf_loader.close if @pixbuf_loader end @vbox = Gtk::Box.new(:vertical, 8) @vbox.margin = 16 @window.add(@vbox) frame = generate_frame("<u>Image loaded from a file </u>") image = Gtk::Image.new(:icon_name => "gtk3-demo", :size => :dialog) frame.add(image) # Animation frame = generate_frame("<u>Animation loaded from a file</u>") image = Gtk::Image.new(:resource => "/images/floppybuddy.gif") frame.add(image) # Symbolic icon frame = generate_frame("<u>Symbolic themed icon</u>") gicon = Gio::ThemedIcon.new("battery-caution-charging-symbolic") image = Gtk::Image.new(:icon => gicon, :size => :dialog) frame.add(image) # Progressive frame = generate_frame("<u>Progressive image loading</u>") # Create an empty image for now; the progressive loader # will create the pixbuf and fill it in. image = Gtk::Image.new frame.add(image) start_progressive_loading(image) # Sensitivity control button = Gtk::ToggleButton.new(:label => "_Insensitive", :use_underline => true) @vbox.pack_start(button) button.signal_connect "toggled" do |toggle| @vbox.children.each do |child| child.sensitive = !toggle.active? if child.class != Gtk::ToggleButton end end end
Public Instance Methods
run()
click to toggle source
# File gtk3/sample/gtk-demo/images.rb, line 70 def run if !@window.visible? @window.show_all else @window.destroy end @window end