internal static GlobalMouseEventSourceCallbackData ToGlobalMouseEventSourceCallbackData(this CallbackData data)
{
var wParam = data.WParam;
var lParam = data.LParam;
var marshalledMouseStruct = Marshal.PtrToStructure <MouseStruct>(lParam);
var ret = new GlobalMouseEventSourceCallbackData()
{
Message = (WindowMessage)wParam,
Data = marshalledMouseStruct,
};
return(ret);
}
/// <summary>
/// Creates <see cref="MouseInput" /> from relevant mouse data.
/// </summary>
/// <param name="wParam">First Windows Message parameter.</param>
/// <param name="mouseInfo">A MouseStruct containing information from which to construct MouseEventExtArgs.</param>
/// <returns>A new MouseEventExtArgs object.</returns>
private static EventSourceEventArgs <MouseInput> ToMouseEventArgs(GlobalMouseEventSourceCallbackData data)
{
var button = ButtonCode.None;
short mouseDelta = 0;
var isMouseButtonDown = false;
var isMouseButtonUp = false;
switch (data.Message)
{
case WindowMessage.WM_LBUTTONDOWN:
isMouseButtonDown = true;
button = ButtonCode.Left;
break;
case WindowMessage.WM_LBUTTONUP:
isMouseButtonUp = true;
button = ButtonCode.Left;
break;
case WindowMessage.WM_LBUTTONDBLCLK:
isMouseButtonDown = true;
button = ButtonCode.Left;
break;
case WindowMessage.WM_RBUTTONDOWN:
isMouseButtonDown = true;
button = ButtonCode.Right;
break;
case WindowMessage.WM_RBUTTONUP:
isMouseButtonUp = true;
button = ButtonCode.Right;
break;
case WindowMessage.WM_RBUTTONDBLCLK:
isMouseButtonDown = true;
button = ButtonCode.Right;
break;
case WindowMessage.WM_MBUTTONDOWN:
isMouseButtonDown = true;
button = ButtonCode.Middle;
break;
case WindowMessage.WM_MBUTTONUP:
isMouseButtonUp = true;
button = ButtonCode.Middle;
break;
case WindowMessage.WM_MBUTTONDBLCLK:
isMouseButtonDown = true;
button = ButtonCode.Middle;
break;
case WindowMessage.WM_MOUSEWHEEL_V:
button = ButtonCode.VScroll;
mouseDelta = data.Data.MouseDataValue;
break;
case WindowMessage.WM_XBUTTONDOWN:
button = data.Data.MouseData == MouseData.XButton1_Click
? ButtonCode.XButton1
: ButtonCode.XButton2;
isMouseButtonDown = true;
break;
case WindowMessage.WM_XBUTTONUP:
button = data.Data.MouseData == MouseData.XButton1_Click
? ButtonCode.XButton1
: ButtonCode.XButton2;
isMouseButtonUp = true;
break;
case WindowMessage.WM_XBUTTONDBLCLK:
isMouseButtonDown = true;
button = data.Data.MouseData == MouseData.XButton1_Click
? ButtonCode.XButton1
: ButtonCode.XButton2;
break;
case WindowMessage.WM_MOUSEWHEEL_H:
button = ButtonCode.HScroll;
mouseDelta = data.Data.MouseDataValue;
break;
}
var Status = ButtonStatusValue.Compute(isMouseButtonDown, isMouseButtonUp, mouseDelta);
var ret = EventSourceEventArgs.Create(data.Data.Timestamp, new MouseInput(button, data.Data.Point, mouseDelta, Status), data);
return(ret);
}
