public static extern bool GetMessage(out Message lpMsg, IntPtr hWnd, uint wMsgFilterMin, uint wMsgFilterMax);
public static extern bool TranslateMessage(ref Message m);
private bool WndPrc(ref Message message)
{
try
{
switch (message.Id)
{
case NativeConstants.WM_DEADCHAR:
{
break;
}
case NativeConstants.WM_KEYDOWN:
case NativeConstants.WM_KEYUP:
case NativeConstants.WM_CHAR:
{
WmKeyEvent(ref message);
break;
}
case NativeConstants.WM_SYSKEYDOWN:
case NativeConstants.WM_SYSKEYUP:
case NativeConstants.WM_SYSCHAR:
{
NativeMethods.TranslateMessage(ref message);
WmKeyEvent(ref message);
return WP_NOPASSTHROUGH;
}
case NativeConstants.WM_SYSCOMMAND:
{
break;
}
case NativeConstants.WM_MOUSEMOVE:
{
WmMouseMove(ref message);
break;
}
case NativeConstants.WM_LBUTTONDOWN:
{
WmMouseDown(ref message, MouseButtonInternal.Left, 1);
break;
}
case NativeConstants.WM_RBUTTONDOWN:
{
WmMouseDown(ref message, MouseButtonInternal.Right, 1);
break;
}
case NativeConstants.WM_MBUTTONDOWN:
{
WmMouseDown(ref message, MouseButtonInternal.Middle, 1);
break;
}
case NativeConstants.WM_LBUTTONUP:
{
WmMouseUp(ref message, MouseButtonInternal.Left, 1);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_RBUTTONUP:
{
WmMouseUp(ref message, MouseButtonInternal.Right, 1);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_MBUTTONUP:
{
WmMouseUp(ref message, MouseButtonInternal.Middle, 1);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_LBUTTONDBLCLK:
{
WmMouseDown(ref message, MouseButtonInternal.Left, 2);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_RBUTTONDBLCLK:
{
WmMouseDown(ref message, MouseButtonInternal.Right, 2);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_MBUTTONDBLCLK:
{
WmMouseDown(ref message, MouseButtonInternal.Middle, 2);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_MOUSEWHEEL:
{
WmMouseWheel(ref message);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_XBUTTONDOWN:
{
WmMouseDown(ref message, GetXButton(Message.HighWord(message.WParam)), 1);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_XBUTTONUP:
{
WmMouseUp(ref message, GetXButton(Message.HighWord(message.WParam)), 1);
return WP_PASSTHROUGH;
}
case NativeConstants.WM_XBUTTONDBLCLK:
{
WmMouseDown(ref message, GetXButton(Message.HighWord(message.WParam)), 2);
return WP_PASSTHROUGH;
}
}
}
catch
{
//TODO: log...crash...what?
}
return WP_PASSTHROUGH;
}
/// <summary>
/// Reads the supplied message and executes any Mouse Wheel events required.
/// </summary>
/// <param name="message">The Message to parse</param>
private void WmMouseWheel(ref Message message)
{
OnMouseWheel(new EventArgsMouse(
translateWParamIntoMouseButtons(Message.SignedLowWord(message.WParam)),
Message.SignedHighWord(message.WParam),
Message.SignedLowWord(message.LParam),
Message.SignedHighWord(message.LParam),
(int)(long)message.WParam,
getModifierKeys()
));
}
/// <summary>
/// Reads the supplied message and executes any Mouse Up events required.
/// </summary>
/// <param name="message">The Message to parse</param>
/// <param name="button">The Mouse Button the Message is for</param>
/// <param name="clicks">The number of clicks for the Message</param>
private void WmMouseUp(ref Message message, MouseButtonInternal button, int clicks)
{
// HandleMouseBindings();
OnMouseUp(new EventArgsMouse(
button,
clicks,
Message.SignedLowWord(message.LParam),
Message.SignedHighWord(message.LParam),
(int)(long)message.WParam,
getModifierKeys()
));
}
/// <summary>
/// Reads the supplied message and executes any Keyboard events required.
/// </summary>
/// <param name="message">The Message to parse</param>
/// <returns>A Boolean value indicating wether the Key events were handled or not</returns>
private void WmKeyEvent(ref Message message)
{
// HandleKeyBindings();
// KeyPressEventArgs keyPressEventArgs = null;
EventArgsKeyboard EventArgsKeyboard = null;
if ((message.Id == NativeConstants.WM_CHAR) || (message.Id == NativeConstants.WM_SYSCHAR))
{
// Is this extra information necessary?
// wm_(sys)char: http://msdn.microsoft.com/en-us/library/ms646276(VS.85).aspx
EventArgsKeyboard = new EventArgsKeyboard(
(WinKeys)(int)(long)message.WParam,
(int)(long)message.LParam,
getModifierKeys()
);
IntPtr zero = (IntPtr)0;// (char)((ushort)((long)message.WParam));
OnChar(EventArgsKeyboard);
}
else
{
// wm_(sys)keydown: http://msdn.microsoft.com/en-us/library/ms912654.aspx
// wm_(sys)keyup: http://msdn.microsoft.com/en-us/library/ms646281(VS.85).aspx
EventArgsKeyboard = new EventArgsKeyboard(
(WinKeys)(int)(long)message.WParam,
(int)(long)message.LParam,
getModifierKeys()
);
if ((message.Id == NativeConstants.WM_KEYDOWN) || (message.Id == NativeConstants.WM_SYSKEYDOWN))
{
OnKeyDown(EventArgsKeyboard);
}
else if ((message.Id == NativeConstants.WM_KEYUP) || (message.Id == NativeConstants.WM_SYSKEYUP))
{
OnKeyUp(EventArgsKeyboard);
}
}
}
protected override IntPtr WndProcHook(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
Message message = new Message(msg, wParam, lParam);
if (WndPrc(ref message) == WP_NOPASSTHROUGH)
return IntPtr.Zero;
return base.WndProcHook(hWnd, msg, wParam, lParam);
}
