// Route the message to the control
//
public void ToControl(ref Message m)
{
//Console.WriteLine ("Control: " + ((Native.Msg)m.Msg).ToString ());
if (_oldTarget != null)
{
_oldTarget.OnMessage(ref m);
}
}
/// <devdoc>
/// The main wndproc for the control. Wrapped to display non-critical exceptions to the user.
/// </devdoc>
void IWindowTarget.OnMessage(ref Message m)
{
try
{
inner.OnMessage(ref m);
}
catch (Exception ex)
{
if (CriticalException.ThrowOrShow(serviceProvider, ex))
{
throw;
}
}
}
public static bool WndOverride(ref Message m)
{
lock (WndOverrides)
{
if (WndOverrides.Contains(m.Msg))
{
// do we need to handle multiple overrides, or overrides
// that choose not to do anything?
IWindowTarget iw = (IWindowTarget)WndOverrides[m.Msg];
iw.OnMessage(ref m);
return(true);
}
else
{
return(false);
}
}
}
/// <summary>
/// Called to do control-specific processing for this window.
/// </summary>
void IWindowTarget.OnMessage(ref Message m)
{
// Get the Designer for the currently selected item on the Designer...
// SET STATE ..
ignoreMessages = false;
// Here lets query for the ISupportInSituService.
// If we find the service then ask if it has a designer which is interested
// in getting the keychars by querying the IgnoreMessages.
if ((m.Msg >= (int)User32.WM.KEYFIRST && m.Msg <= (int)User32.WM.KEYLAST) ||
(m.Msg >= (int)User32.WM.IME_STARTCOMPOSITION && m.Msg <= (int)User32.WM.IME_COMPOSITION))
{
if (InSituSupportService != null)
{
ignoreMessages = InSituSupportService.IgnoreMessages;
}
}
switch (m.Msg)
{
case WM_PRIVATE_POSTCHAR:
if (bufferedChars == null)
{
return;
}
// recreate the keystroke to the newly activated window
IntPtr hWnd;
if (!ignoreMessages)
{
hWnd = User32.GetFocus();
}
else
{
if (InSituSupportService != null)
{
hWnd = InSituSupportService.GetEditWindow();
}
else
{
hWnd = User32.GetFocus();
}
}
if (hWnd != m.HWnd)
{
foreach (BufferedKey bk in bufferedChars)
{
if (bk.KeyChar.MsgInternal == User32.WM.CHAR)
{
if (bk.KeyDown.MsgInternal != 0)
{
User32.SendMessageW(hWnd, User32.WM.KEYDOWN, bk.KeyDown.WParamInternal, bk.KeyDown.LParamInternal);
}
User32.SendMessageW(hWnd, User32.WM.CHAR, bk.KeyChar.WParamInternal, bk.KeyChar.LParamInternal);
if (bk.KeyUp.MsgInternal != 0)
{
User32.SendMessageW(hWnd, User32.WM.KEYUP, bk.KeyUp.WParamInternal, bk.KeyUp.LParamInternal);
}
}
else
{
User32.SendMessageW(hWnd, bk.KeyChar.MsgInternal, bk.KeyChar.WParamInternal, bk.KeyChar.LParamInternal);
}
}
}
bufferedChars.Clear();
return;
case (int)User32.WM.KEYDOWN:
lastKeyDown = m;
break;
case (int)User32.WM.IME_ENDCOMPOSITION:
case (int)User32.WM.KEYUP:
lastKeyDown.Msg = 0;
break;
case (int)User32.WM.CHAR:
case (int)User32.WM.IME_STARTCOMPOSITION:
case (int)User32.WM.IME_COMPOSITION:
if ((Control.ModifierKeys & (Keys.Control | Keys.Alt)) != 0)
{
break;
}
if (bufferedChars == null)
{
bufferedChars = new ArrayList();
}
bufferedChars.Add(new BufferedKey(lastKeyDown, m, lastKeyDown));
if (!ignoreMessages && MenuCommandService != null)
{
// throw the properties window command, we will redo the keystroke when we actually
// lose focus
postCharMessage = true;
MenuCommandService.GlobalInvoke(StandardCommands.PropertiesWindow);
}
else if (ignoreMessages && m.Msg != (int)User32.WM.IME_COMPOSITION)
{
if (InSituSupportService != null)
{
postCharMessage = true;
InSituSupportService.HandleKeyChar();
}
}
if (postCharMessage)
{
// If copy of message has been buffered for forwarding, eat the original now
return;
}
break;
case (int)User32.WM.KILLFOCUS:
if (postCharMessage)
{
// see ASURT 45313
// now that we've actually lost focus, post this message to the queue. This allows
// any activity that's in the queue to settle down before our characters are posted.
// to the queue.
//
// we post because we need to allow the focus to actually happen before we send
// our strokes so we know where to send them
//
// we can't use the wParam here because it may not be the actual window that needs
// to pick up the strokes.
//
User32.PostMessageW(target.Handle, (User32.WM)WM_PRIVATE_POSTCHAR, IntPtr.Zero, IntPtr.Zero);
postCharMessage = false;
}
break;
}
if (oldTarget != null)
{
oldTarget.OnMessage(ref m);
}
}
public void DefWndProc(ref Message m)
{
_oldTarget.OnMessage(ref m);
}
