mirror of
https://github.com/seriocomedy/ShiftOS-C-.git
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87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2006 Novell, Inc. (http://www.novell.com)
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//
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//
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using System;
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using System.Runtime.InteropServices;
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using ShiftUI;
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namespace ShiftUI.X11Internal {
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internal class X11RootHwnd : X11Hwnd
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{
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public X11RootHwnd (X11Display display, IntPtr window_handle) : base (display)
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{
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WholeWindow = ClientWindow = window_handle;
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Xlib.XSelectInput(display.Handle, WholeWindow, new IntPtr ((int)EventMask.PropertyChangeMask));
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}
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public override void CreateWindow (CreateParams cp)
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{
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// we don't do anything here
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}
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public override void PropertyChanged (XEvent xevent)
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{
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if (xevent.PropertyEvent.atom == Display.Atoms._NET_ACTIVE_WINDOW) {
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IntPtr actual_atom;
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int actual_format;
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IntPtr nitems;
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IntPtr bytes_after;
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IntPtr prop = IntPtr.Zero;
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Xlib.XGetWindowProperty (Display.Handle, WholeWindow,
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Display.Atoms._NET_ACTIVE_WINDOW, IntPtr.Zero, new IntPtr (1), false,
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Display.Atoms.XA_WINDOW, out actual_atom, out actual_format, out nitems, out bytes_after, ref prop);
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if (((long)nitems > 0) && (prop != IntPtr.Zero)) {
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// FIXME - is this 64 bit clean?
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Display.SetActiveWindow ((X11Hwnd)Hwnd.ObjectFromHandle((IntPtr)Marshal.ReadInt32(prop)));
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Xlib.XFree(prop);
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}
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}
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else if (xevent.PropertyEvent.atom == Display.Atoms._NET_SUPPORTED) {
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// we'll need to refetch the supported protocols list
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refetch_net_supported = true;
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_net_supported = null;
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}
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else
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base.PropertyChanged (xevent);
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}
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bool refetch_net_supported = true;
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IntPtr[] _net_supported;
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public IntPtr[] _NET_SUPPORTED {
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get {
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if (refetch_net_supported) {
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_net_supported = GetAtomListProperty (Display.Atoms._NET_SUPPORTED);
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refetch_net_supported = false;
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}
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return _net_supported;
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}
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}
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}
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}
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