diff options
Diffstat (limited to 'mcs/class/System.Windows.Forms/System.Windows.Forms.X11Internal/X11RootHwnd.cs')
-rw-r--r-- | mcs/class/System.Windows.Forms/System.Windows.Forms.X11Internal/X11RootHwnd.cs | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/mcs/class/System.Windows.Forms/System.Windows.Forms.X11Internal/X11RootHwnd.cs b/mcs/class/System.Windows.Forms/System.Windows.Forms.X11Internal/X11RootHwnd.cs new file mode 100644 index 00000000000..3b92f83f17a --- /dev/null +++ b/mcs/class/System.Windows.Forms/System.Windows.Forms.X11Internal/X11RootHwnd.cs @@ -0,0 +1,87 @@ +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +// Copyright (c) 2006 Novell, Inc. (http://www.novell.com) +// +// + +using System; +using System.Runtime.InteropServices; +using System.Windows.Forms; + +namespace System.Windows.Forms.X11Internal { + + internal class X11RootHwnd : X11Hwnd + { + public X11RootHwnd (X11Display display, IntPtr window_handle) : base (display) + { + WholeWindow = ClientWindow = window_handle; + + Xlib.XSelectInput(display.Handle, WholeWindow, new IntPtr ((int)EventMask.PropertyChangeMask)); + } + + public override void CreateWindow (CreateParams cp) + { + // we don't do anything here + } + + public override void PropertyChanged (XEvent xevent) + { + if (xevent.PropertyEvent.atom == Display.Atoms._NET_ACTIVE_WINDOW) { + IntPtr actual_atom; + int actual_format; + IntPtr nitems; + IntPtr bytes_after; + IntPtr prop = IntPtr.Zero; + + Xlib.XGetWindowProperty (Display.Handle, WholeWindow, + Display.Atoms._NET_ACTIVE_WINDOW, IntPtr.Zero, new IntPtr (1), false, + Display.Atoms.XA_WINDOW, out actual_atom, out actual_format, out nitems, out bytes_after, ref prop); + + if (((long)nitems > 0) && (prop != IntPtr.Zero)) { + // FIXME - is this 64 bit clean? + Display.SetActiveWindow ((X11Hwnd)Hwnd.ObjectFromHandle((IntPtr)Marshal.ReadInt32(prop))); + Xlib.XFree(prop); + } + } + else if (xevent.PropertyEvent.atom == Display.Atoms._NET_SUPPORTED) { + // we'll need to refetch the supported protocols list + refetch_net_supported = true; + _net_supported = null; + } + else + base.PropertyChanged (xevent); + } + + bool refetch_net_supported = true; + IntPtr[] _net_supported; + public IntPtr[] _NET_SUPPORTED { + get { + if (refetch_net_supported) { + _net_supported = GetAtomListProperty (Display.Atoms._NET_SUPPORTED); + refetch_net_supported = false; + } + + return _net_supported; + } + } + } + +} + |