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=begin
pointer_grab.rb - Gdk::Window#pointer_grab/ungrab sample script.
Copyright (C) 2001-2015 Masao Mutoh<mutoh@highway.ne.jp>
This program is licenced under the same licence as Ruby-GNOME.
=end
require "gtk3"
window = Gtk::Window.new("Pointer grab/ungrab sample")
cursor = Gdk::Cursor.new(:watch)
button1 = Gtk::Button.new(:label => "Grab Window!")
button2 = Gtk::Button.new(:label => "Ungrab Window!")
button1.signal_connect("clicked") do
Gdk.pointer_grab(window.window, true, :button_press_mask,
window.window, cursor, Gdk::CURRENT_TIME)
p Gdk.pointer_is_grabbed?
end
button2.signal_connect("clicked") do
Gdk.pointer_ungrab(Gdk::CURRENT_TIME)
p Gdk.pointer_is_grabbed?
end
vbox = Gtk::Box.new(:vertical, 0)
vbox.add(button1)
vbox.add(button2)
window.add(vbox)
window.set_default_size(200, 100)
window.show_all
window.signal_connect("destroy") { Gtk.main_quit }
Gtk.main
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