/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <returns>true if base winproc should be called</returns>
public bool WndProcForFocus(ref Message m)
{
NativeMethods.WM wm = (NativeMethods.WM)m.Msg;
if (wm != NativeMethods.WM.GETICON && wm != NativeMethods.WM.NCHITTEST &&
wm != NativeMethods.WM.NCMOUSEMOVE && wm != NativeMethods.WM.NCMOUSELEAVE &&
wm != NativeMethods.WM.GETTEXT && wm != NativeMethods.WM.GETTEXTLENGTH &&
wm != NativeMethods.WM.MOUSEMOVE && wm != NativeMethods.WM.SETCURSOR &&
wm != NativeMethods.WM.WINDOWPOSCHANGING && wm != NativeMethods.WM.WINDOWPOSCHANGED)
{
Log.DebugFormat("WndProcForFocus: shellhook={3}, wm={0}, wParam={1}, lParam={2}", wm, m.WParam, m.LParam, m.Msg == m_shellHookNotify);
}
switch (wm)
{
case NativeMethods.WM.ACTIVATE:
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms646274(v=vs.85).aspx
/*
* if (m.WParam.ToInt32() > 0)
* {
* NativeMethods.BringWindowToTop(this.MainForm.Handle);
* this.MainForm.FocusActiveDocument("ACTIVATE");
* return true;
* }
* */
break;
case NativeMethods.WM.ACTIVATEAPP:
// Never allow this window to display itself as inactive
//NativeMethods.DefWindowProc(this.MainForm.Handle, m.Msg, (IntPtr)1, m.LParam);
//m.Result = (IntPtr)1;
//return false;
//return true;
break;
case NativeMethods.WM.NCACTIVATE:
// Never allow this window to display itself as inactive
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms632633(v=vs.85).aspx
NativeMethods.DefWindowProc(this.MainForm.Handle, m.Msg, (IntPtr)1, m.LParam);
m.Result = (IntPtr)1;
return(false);
case NativeMethods.WM.SYSCOMMAND:
// Check for maximizing and restoring from maxed.
// Removing the last 4 bits. This is necessary because
// maximizing by double click gives you 0xF032, not 0xF030.
switch ((int)m.WParam & 0xFFF0)
{
case NativeMethods.SC_MAXIMIZE:
case NativeMethods.SC_RESTORE:
//Log.InfoFormat("SysCommand: {0}", m.WParam);
this.MainForm.BeginInvoke(new Action <string>(this.MainForm.FocusActiveDocument), "SYSCommand-Restore");
break;
}
break;
default:
if (m.Msg == m_shellHookNotify)
{
//Log.InfoFormat("ShellHook: param={0}", m.WParam.ToInt32());
switch (m.WParam.ToInt32())
{
case 4:
case 32772:
IntPtr current = NativeMethods.GetForegroundWindow();
if (current != this.MainForm.Handle && !this.ContainsChild(current))
{
m_externalWindow = true;
}
else if (m_externalWindow)
{
m_externalWindow = false;
NativeMethods.BringWindowToTop(this.MainForm.Handle);
this.MainForm.FocusActiveDocument("SHELLHOOK");
//return false;
}
else if (current == this.MainForm.Handle)
{
// round trip alt-tab or first alt-tab in 2x sequence...also when menus popup
//NativeMethods.SetForegroundWindow(this.MainForm.Handle);
//this.MainForm.FocusActiveDocument("SHELLHOOK2");
}
//{
// //Log.Info("### hwd=" + this.MainForm.Handle + ", m.h=" + m.HWnd + ", blah=" + DesktopWindow.GetFirstDesktopWindow().Title);
// foreach (DesktopWindow dw in DesktopWindow.GetDesktopWindows())
// {
// //Log.Info("blah=" + dw.Title);
// }
//}
break;
default:
break;
}
}
break;
}
return(true);
}
/// <summary>
/// Handles the WndProc events to enable drawing inside the title bar.
/// </summary>
protected virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
IntPtr result = IntPtr.Zero;
NativeMethods.WM wm = (NativeMethods.WM)msg;
if (Environment.OSVersion.Version.Major >= 6)
{
handled = NativeMethods.DwmDefWindowProc(hwnd, msg, wParam, lParam, out result);
}
if (!handled)
{
switch (wm)
{
case NativeMethods.WM.SIZE:
handled = false;
break;
//TODO: This causes a uncontrolled moving of the window in windows 7 while dragging from WindowState.Maximized.
// don't paint the border and title:
case NativeMethods.WM.NCCALCSIZE:
handled = true;
break;
case NativeMethods.WM.SETICON:
handled = true;
return(IntPtr.Zero);
case NativeMethods.WM.SETTEXT:
handled = true;
InvalidateArrange();
break;
case NativeMethods.WM.NCACTIVATE:
IsWindowActive = wParam.ToInt32() == 1;
handled = true;
result = NativeMethods.DefWindowProc(hwnd, NativeMethods.WM.NCACTIVATE, wParam, new IntPtr(-1));
break;
// determine if the titlebar, or any of the borders is under the cursor position coded in m.lParam:
case NativeMethods.WM.NCHITTEST:
if (result == IntPtr.Zero)
{
WndProcHitTest(hwnd, lParam, ref handled, ref result);
}
break;
//TODO: changing the DWMCOMPOSITION currently causes a "This freezable cannot be frozen" exception.
case NativeMethods.WM.DWMCOMPOSITIONCHANGED:
SetIsGlassOnState();
AttachRegion();
InvalidateVisual();
UpdateLayout();
handled = true;
result = IntPtr.Zero;
break;
}
}
return(result);
}
