public override int SubClassProc(IntPtr hWnd, IntPtr msg, IntPtr wParam, IntPtr lParam, IntPtr uIdSubclass, IntPtr dwRefData)
{
switch ((uint)msg)
{
case (uint)WM.SIZE:
var args = new SubClassingWindowEventArgs(lParam);
if (!_closing)
{
OnCallBackEvent(args);
}
break;
case (uint)WM.SETFOCUS:
if (!_closing)
{
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Hwnd, Hwnd);
}
break;
case (uint)WM.KILLFOCUS:
if (!_closing)
{
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Hwnd, IntPtr.Zero);
}
break;
}
return(base.SubClassProc(hWnd, msg, wParam, lParam, uIdSubclass, dwRefData));
}
private void OnCallBackEvent(SubClassingWindowEventArgs e)
{
if (CallBackEvent != null)
{
CallBackEvent(this, e);
}
}
protected override void WndProc(ref Message msg)
{
const int wmSize = 0x5;
if (msg.Msg == wmSize)
{
var args = new SubClassingWindowEventArgs(msg);
OnCallBackEvent(args);
}
base.WndProc(ref msg);
}
private void OnCallBackEvent(object sender, SubClassingWindowEventArgs e)
{
if (!e.Closing)
{
var param = new LParam {
Value = (uint)e.LParam
};
Size = new Size(param.LowWord, param.HighWord);
}
else
{
Debug.WriteLine("DockableWindowHost removed event handler.");
_subClassingWindow.CallBackEvent -= OnCallBackEvent;
}
}
// old stuff from old _DockableWindowHost --------------------------------------- [START]
private void OnCallBackEvent(object sender, SubClassingWindowEventArgs e)
{
if (e.Closing)
{
return;
}
var param = new LParam {
Value = (uint)e.LParam
};
// The VBE passes a special value to the HighWord when docking into the VBE Codepane
// instead of docking into the VBE itself.
// that special value (0xffef) blows up inside the guts of Window management because it's
// apparently converted to a signed short somewhere and then considered "negative"
// that is why we drop the signbit for shorts off our values when creating the control Size.
const ushort signBitMask = 0x8000;
_userControl.Size = new Size(param.LowWord & ~signBitMask, param.HighWord & ~signBitMask);
}
protected override void WndProc(ref Message msg)
{
switch ((uint)msg.Msg)
{
case (uint)WM.SIZE:
var args = new SubClassingWindowEventArgs(msg);
OnCallBackEvent(args);
break;
case (uint)WM.SETFOCUS:
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Handle, Handle);
break;
case (uint)WM.KILLFOCUS:
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Handle, IntPtr.Zero);
break;
}
base.WndProc(ref msg);
}
private void OnCallBackEvent(SubClassingWindowEventArgs e)
{
CallBackEvent?.Invoke(this, e);
}
private void OnCallBackEvent(object sender, SubClassingWindowEventArgs e)
{
AdjustSize();
}
private void OnCallBackEvent(SubClassingWindowEventArgs e)
{
Debug.Assert(CallBackEvent != null, "CallBackEvent != null");
CallBackEvent(this, e);
}
public override int SubClassProc(IntPtr hWnd, IntPtr msg, IntPtr wParam, IntPtr lParam, IntPtr uIdSubclass, IntPtr dwRefData)
{
switch ((uint)msg)
{
case (uint)WM.WINDOWPOSCHANGED:
var containerHwnd = GetParent(hWnd);
if (containerHwnd != _containerHwnd)
{
_containerHwnd = containerHwnd;
_windowState = GetWindowState(_containerHwnd);
}
break;
case (uint)WM.CONTEXTMENU:
if (_windowState == ToolWindowState.Undockable)
{
DisplayUndockableContextMenu(hWnd, lParam);
}
break;
case (uint)WM.COMMAND:
switch (wParam.ToInt32())
{
case (int)WM.RUBBERDUCK_UNDOCKABLE_CONTEXT_MENU:
ToggleDockable(_vbeHwnd);
break;
}
break;
case (uint)WM.SIZE:
var args = new SubClassingWindowEventArgs(lParam);
if (!_closing)
{
OnCallBackEvent(args);
}
break;
case (uint)WM.SETFOCUS:
if (!_closing)
{
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Hwnd, Hwnd);
}
break;
case (uint)WM.KILLFOCUS:
if (!_closing)
{
User32.SendMessage(_vbeHwnd, WM.RUBBERDUCK_CHILD_FOCUS, Hwnd, IntPtr.Zero);
}
break;
case (uint)WM.DESTROY:
if (_menuHandle != IntPtr.Zero)
{
if (!NativeMethods.DestroyMenu(_menuHandle))
{
_logger.Fatal($"Failed to destroy the menu handle {_menuHandle}");
}
}
break;
}
return(base.SubClassProc(hWnd, msg, wParam, lParam, uIdSubclass, dwRefData));
}