From 3997b71e281a5f43cc8c1892e85de30728df7b2d Mon Sep 17 00:00:00 2001 From: Alessandro Ghedini Date: Sun, 20 Nov 2011 15:50:38 +0100 Subject: Imported Upstream version 0.3.1 --- src/utilities/focusGrabber.vala | 74 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/utilities/focusGrabber.vala (limited to 'src/utilities/focusGrabber.vala') diff --git a/src/utilities/focusGrabber.vala b/src/utilities/focusGrabber.vala new file mode 100644 index 0000000..0e07b39 --- /dev/null +++ b/src/utilities/focusGrabber.vala @@ -0,0 +1,74 @@ +/* +Copyright (c) 2011 by Simon Schneegans + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or (at your option) +any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +more details. + +You should have received a copy of the GNU General Public License along with +this program. If not, see . +*/ + +namespace GnomePie { + +///////////////////////////////////////////////////////////////////////// +/// Some helper methods which focus the input on a given Gtk.Window. +///////////////////////////////////////////////////////////////////////// + +public class FocusGrabber : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// Utilities for grabbing focus. + /// Code from Gnome-Do/Synapse. + ///////////////////////////////////////////////////////////////////// + + public static void grab(Gtk.Window window) { + window.present_with_time(Gdk.CURRENT_TIME); + window.get_window().raise(); + window.get_window().focus(Gdk.CURRENT_TIME); + + int i = 0; + Timeout.add(100, () => { + if (++i >= 100) return false; + return !try_grab_window(window); + }); + } + + ///////////////////////////////////////////////////////////////////// + /// Code from Gnome-Do/Synapse. + ///////////////////////////////////////////////////////////////////// + + public static void ungrab(Gtk.Window window) { + Gdk.pointer_ungrab(Gdk.CURRENT_TIME); + Gdk.keyboard_ungrab(Gdk.CURRENT_TIME); + Gtk.grab_remove(window); + } + + ///////////////////////////////////////////////////////////////////// + /// Code from Gnome-Do/Synapse. + ///////////////////////////////////////////////////////////////////// + + private static bool try_grab_window(Gtk.Window window) { + if (Gdk.pointer_grab(window.get_window(), true, Gdk.EventMask.BUTTON_PRESS_MASK | + Gdk.EventMask.BUTTON_RELEASE_MASK | Gdk.EventMask.POINTER_MOTION_MASK, + null, null, Gdk.CURRENT_TIME) == Gdk.GrabStatus.SUCCESS) { + + if (Gdk.keyboard_grab(window.get_window(), true, Gdk.CURRENT_TIME) == Gdk.GrabStatus.SUCCESS) { + Gtk.grab_add(window); + return true; + } else { + Gdk.pointer_ungrab(Gdk.CURRENT_TIME); + return false; + } + } + return false; + } +} + +} -- cgit v1.2.3