private void OnRightClick(object sender, int id)
{
if (id == data.uID && contextMenu != null)
{
Point pt = Control.MousePosition;
GDI.POINT point = new GDI.POINT();
point.x = pt.X;
point.y = pt.Y;
// this ensures that if we show the menu and then click on another window the menu will close
WindowsManagement.SetForegroundWindow(messageSink.Handle);
if (BeforeShowMenu != null)
{
BeforeShowMenu(this, EventArgs.Empty);
}
// call non public member of ContextMenu
contextMenu.GetType().InvokeMember("OnPopup",
BindingFlags.NonPublic | BindingFlags.InvokeMethod | BindingFlags.Instance,
null, contextMenu, new Object[] { System.EventArgs.Empty });
WindowsManagement.TrackPopupMenuEx(contextMenu.Handle, 64, point.x, point.y, messageSink.Handle, IntPtr.Zero);
if (AfterShowMenu != null)
{
AfterShowMenu(this, EventArgs.Empty);
}
}
}
public void SelectDvdMenuButtonAtPosition(GDI.POINT point)
{
var dvdFilterGraph = _filterGraph as IDvdFilterGraph;
if (dvdFilterGraph != null && dvdFilterGraph.IsMenuOn)
{
dvdFilterGraph.SelectDvdMenuButtonAtPosition(point);
}
}
public void HandleMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case (uint)WindowsMessages.WM_LBUTTONDBLCLK:
_doubleClick = true;
_mwh.RaiseEvent(new RoutedEventArgs(MWDoubleClickEvent));
break;
case (uint)WindowsMessages.WM_CONTEXTMENU:
{
var args = CreateScreenPositionEventArgs();
args.RoutedEvent = MWContextMenuEvent;
_mwh.RaiseEvent(args);
}
break;
case (uint)WindowsMessages.WM_LBUTTONUP:
{
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh.MediaEngine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh.MediaEngine.ActivateDvdMenuButtonAtPosition(pt);
}
if (!_mwh.MediaEngine.IsMenuOn && !_doubleClick)
{
_mwh.RaiseEvent(new RoutedEventArgs(MWClickEvent));
}
_doubleClick = false;
}
break;
case (uint)WindowsMessages.WM_MOUSEMOVE:
if ((uint)lParam != _previousMousePosition) // mouse was actually moved as its position has changed
{
_previousMousePosition = (uint)lParam;
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh.MediaEngine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh.MediaEngine.SelectDvdMenuButtonAtPosition(pt);
}
if (!_mouseOnWindow)
{
WindowsManagement.TRACKMOUSEEVENT tme =
new WindowsManagement.TRACKMOUSEEVENT();
tme.cbSize = Marshal.SizeOf(tme);
tme.dwFlags = WindowsManagement.TME_LEAVE;
tme.dwHoverTime = WindowsManagement.HOVER_DEFAULT;
tme.hwndTrack = hWnd;
WindowsManagement._TrackMouseEvent(ref tme);
_mouseOnWindow = true;
_mwh.RaiseEvent(new RoutedEventArgs(MWMouseEnterEvent));
}
var args = CreateScreenPositionEventArgs();
args.RoutedEvent = MWMouseMoveEvent;
_mwh.RaiseEvent(args);
}
break;
case (uint)WindowsMessages.WM_MOUSELEAVE:
_mouseOnWindow = false;
_mwh.RaiseEvent(new RoutedEventArgs(MWMouseLeaveEvent));
break;
case (uint)WindowsMessages.WM_KEYDOWN:
var modifiers = Keyboard.Modifiers;
var code = wParam.ToInt32();
var key = KeyInterop.KeyFromVirtualKey(code);
var handled = HandleKey(key);
if (!handled)
{
_mwh.RaiseEvent(new MWKeyEventArgs(MWKeyDownEvent, key, modifiers));
}
break;
case (uint)WindowsMessages.WM_MOUSEWHEEL:
uint delta = ((uint)wParam) & 0xFFFF0000;
delta >>= 16;
_mwh.RaiseEvent(new MWMouseWheelEventArgs(MWMouseWheelEvent, (short)delta)); // it's WORD (2 bytes)
break;
}
}
public void HandleMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam)
{
switch (Msg)
{
case (uint)WindowsMessages.WM_LBUTTONDBLCLK:
_doubleClick = true;
if (_mwh.MWDoubleClick != null)
{
_mwh.MWDoubleClick(_mwh, EventArgs.Empty);
}
break;
case (uint)WindowsMessages.WM_CONTEXTMENU:
if (!_trackingContextMenu)
{
_trackingContextMenu = true;
if (_mwh.MWContextMenu != null)
{
_mwh.MWContextMenu(Cursor.Position);
}
}
else
{
_trackingContextMenu = false;
}
break;
case (uint)WindowsMessages.WM_LBUTTONUP:
{
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh._engine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh._engine.ActivateDvdMenuButtonAtPosition(pt);
}
if (!_mwh._engine.IsMenuOn && !_doubleClick && _mwh.MWClick != null)
{
_mwh.MWClick(_mwh, EventArgs.Empty);
}
_doubleClick = false;
}
break;
case (uint)WindowsMessages.WM_MOUSEMOVE:
if ((uint)lParam != _previousMousePosition) // mouse was actually moved as its position has changed
{
_previousMousePosition = (uint)lParam;
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh._engine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh._engine.SelectDvdMenuButtonAtPosition(pt);
}
if (!_mwh._mouseOnWindow)
{
WindowsManagement.TRACKMOUSEEVENT tme =
new WindowsManagement.TRACKMOUSEEVENT();
tme.cbSize = Marshal.SizeOf(tme);
tme.dwFlags = WindowsManagement.TME_LEAVE;
tme.dwHoverTime = WindowsManagement.HOVER_DEFAULT;
tme.hwndTrack = hWnd;
WindowsManagement._TrackMouseEvent(ref tme);
_mwh._mouseOnWindow = true;
if (_mwh.MWMouseEnter != null)
{
_mwh.MWMouseEnter(_mwh, EventArgs.Empty);
}
}
if (_mwh.MWMouseMove != null)
{
_mwh.MWMouseMove(_mwh, EventArgs.Empty);
}
}
break;
case (uint)WindowsMessages.WM_MOUSELEAVE:
_mwh._mouseOnWindow = false;
if (_mwh.MWMouseLeave != null)
{
_mwh.MWMouseLeave(_mwh, EventArgs.Empty);
}
break;
}
}