protected override void OnEnter(EventArgs e)
{
if (WebBrowserFocus != null)
{
WebBrowserFocus.Activate();
}
#if GTK
m_wrapper.SetInputFocus();
#endif
base.OnEnter(e);
}
protected override void OnLeave(EventArgs e)
{
if (WebBrowserFocus != null && !IsBusy)
{
WebBrowserFocus.Deactivate();
}
#if GTK
m_wrapper.RemoveInputFocus();
#endif
base.OnLeave(e);
}
protected override void WndProc(ref Message m)
{
const int WM_GETDLGCODE = 0x87;
const int DLGC_WANTALLKEYS = 0x4;
const int WM_MOUSEACTIVATE = 0x21;
const int MA_ACTIVATE = 0x1;
const int WM_IME_SETCONTEXT = 0x0281;
if (!DesignMode)
{
switch (m.Msg)
{
case WM_GETDLGCODE:
m.Result = (IntPtr)DLGC_WANTALLKEYS;
return;
case WM_MOUSEACTIVATE:
// TODO FIXME: port for Linux
if (Xpcom.IsWindows)
{
m.Result = (IntPtr)MA_ACTIVATE;
if (!GeckoFX.Microsoft.User32.IsChild(Handle, GeckoFX.Microsoft.User32.GetFocus()))
{
this.Focus();
}
return;
}
return;
case WM_IME_SETCONTEXT:
if (!DisableWmImeSetContext)
{
//Console.WriteLine("WM_IME_SETCONTEXT {0} {1}", m.WParam, m.LParam.ToString("X8"));
if (m.WParam == IntPtr.Zero)
{
// zero
WebBrowserFocus.Deactivate();
}
else
{
// non-zero (1)
WebBrowserFocus.Activate();
}
return;
}
break;
}
}
base.WndProc(ref m);
}
protected override void WndProc(ref Message m)
{
const int WM_GETDLGCODE = 0x87;
const int DLGC_WANTALLKEYS = 0x4;
const int WM_MOUSEACTIVATE = 0x21;
const int MA_ACTIVATE = 0x1;
const int WM_IME_SETCONTEXT = 0x0281;
const int WM_PAINT = 0x000F;
const int WM_SETFOCUS = 0x0007;
const int WM_KILLFOCUS = 0x0008;
const int ISC_SHOWUICOMPOSITIONWINDOW = unchecked ((int)0x80000000);
if (!DesignMode)
{
IntPtr focus;
switch (m.Msg)
{
case WM_GETDLGCODE:
m.Result = (IntPtr)DLGC_WANTALLKEYS;
return;
case WM_SETFOCUS:
break;
case WM_MOUSEACTIVATE:
// TODO FIXME: port for Linux
if (Xpcom.IsWindows)
{
m.Result = (IntPtr)MA_ACTIVATE;
focus = User32.GetFocus();
// Console.WriteLine( "focus {0:X8}, Handle {1:X8}", focus.ToInt32(), Handle.ToInt32() );
if (!IsSubWindow(Handle, focus))
{
// var str = string.Format( "+WM_MOUSEACTIVATE {0:X8} lastfocus", focus.ToInt32() );
// System.Diagnostics.Debug.WriteLine( str );
Console.WriteLine("Activating");
if (WebBrowserFocus != null)
{
WebBrowserFocus.Activate();
}
if (Window != null)
{
Services.WindowWatcher.ActiveWindow = Window;
}
}
else
{
// var str = string.Format( "-WM_MOUSEACTIVATE {0:X8} lastfocus", focus.ToInt32() );
// System.Diagnostics.Debug.WriteLine( str );
}
if (Window != null && !Window.Equals(Services.WindowWatcher.ActiveWindow))
{
if (WebBrowserFocus != null)
{
WebBrowserFocus.Activate();
}
if (Window != null)
{
Services.WindowWatcher.ActiveWindow = Window;
}
}
return;
}
return;
//http://msdn.microsoft.com/en-US/library/windows/desktop/dd374142%28v=vs.85%29.aspx
case WM_IME_SETCONTEXT:
focus = User32.GetFocus();
if (User32.IsChild(Handle, focus))
{
break;
}
if (WebBrowserFocus != null)
{
// var str = string.Format( "WM_IME_SETCONTEXT {0} {1} {2} (focus on {3})", m.HWnd.ToString( "X8" ), m.WParam, m.LParam.ToString( "X8" ), focus.ToString( "X8" ) );
// System.Diagnostics.Debug.WriteLine( str );
var param = m.LParam.ToInt64();
if ((param & ISC_SHOWUICOMPOSITIONWINDOW) != 0)
{
}
if (m.WParam == IntPtr.Zero)
{
// zero
RemoveInputFocus();
WebBrowserFocus.Deactivate();
}
else
{
// non-zero (1)
WebBrowserFocus.Activate();
SetInputFocus();
}
return;
}
break;
case WM_PAINT:
break;
}
}
// Firefox 17+ can crash when handing this windows message so we just ignore it.
if (m.Msg == 0x128 /*WM_UPDATEUISTATE*/)
{
return;
}
base.WndProc(ref m);
}
