private void ProcessPossibleDoubleClick(ref MouseEventExtArgs e)
{
if (IsDoubleClick(e.Button, e.Timestamp, e.Point))
{
e = e.ToDoubleClickEventArgs();
m_DownButtonsWaitingForMouseUp = MouseButtons.None;
m_PreviousClicked = MouseButtons.None;
m_PreviousClickedTime = 0;
}
else
{
m_DownButtonsWaitingForMouseUp |= e.Button;
m_PreviousClickedTime = e.Timestamp;
}
}
/// <summary>
/// Creates <see cref="MouseEventExtArgs"/> 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 MouseEventExtArgs FromRawDataUniversal(int wParam, MouseStruct mouseInfo)
{
MouseButtons button = MouseButtons.None;
short mouseDelta = 0;
int clickCount = 0;
bool isMouseKeyDown = false;
bool isMouseKeyUp = false;
switch (wParam)
{
case Messages.WM_LBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Left;
clickCount = 1;
break;
case Messages.WM_LBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Left;
clickCount = 1;
break;
case Messages.WM_LBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Left;
clickCount = 2;
break;
case Messages.WM_RBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Right;
clickCount = 1;
break;
case Messages.WM_RBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Right;
clickCount = 1;
break;
case Messages.WM_RBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Right;
clickCount = 2;
break;
case Messages.WM_MBUTTONDOWN:
isMouseKeyDown = true;
button = MouseButtons.Middle;
clickCount = 1;
break;
case Messages.WM_MBUTTONUP:
isMouseKeyUp = true;
button = MouseButtons.Middle;
clickCount = 1;
break;
case Messages.WM_MBUTTONDBLCLK:
isMouseKeyDown = true;
button = MouseButtons.Middle;
clickCount = 2;
break;
case Messages.WM_MOUSEWHEEL:
mouseDelta = mouseInfo.MouseData;
break;
case Messages.WM_XBUTTONDOWN:
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
isMouseKeyDown = true;
clickCount = 1;
break;
case Messages.WM_XBUTTONUP:
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
isMouseKeyUp = true;
clickCount = 1;
break;
case Messages.WM_XBUTTONDBLCLK:
isMouseKeyDown = true;
button = mouseInfo.MouseData == 1 ? MouseButtons.XButton1 :
MouseButtons.XButton2;
clickCount = 2;
break;
case Messages.WM_MOUSEHWHEEL:
mouseDelta = mouseInfo.MouseData;
break;
}
var e = new MouseEventExtArgs(
button,
clickCount,
mouseInfo.Point,
mouseDelta,
mouseInfo.Timestamp,
isMouseKeyDown,
isMouseKeyUp);
return e;
}
private void ProcessMouseUp(ref MouseEventExtArgs e)
{
if (!HasSupressButtonUpFlag(e.Button))
{
InvokeMouseEventHandler(MouseUp, e);
}
else
{
RemoveSupressButtonUpFlag(e.Button);
e.Handled = true;
}
}
private void ProcessMouseMove(ref MouseEventExtArgs e)
{
m_PreviousPosition = e.Point;
InvokeMouseEventHandler(MouseMove, e);
InvokeMouseEventHandlerExt(MouseMoveExt, e);
}
private void ProcessMouseDown(ref MouseEventExtArgs e)
{
if (IsGlobal)
{
ProcessPossibleDoubleClick(ref e);
}
else
{
// These are only used for global. No need for them in AppHooks
m_DownButtonsWaitingForMouseUp = MouseButtons.None;
m_PreviousClicked = MouseButtons.None;
m_PreviousClickedTime = 0;
}
InvokeMouseEventHandler(MouseDown, e);
InvokeMouseEventHandlerExt(MouseDownExt, e);
if (e.Handled)
{
SetSupressButtonUpFlag(e.Button);
e.Handled = true;
}
}
private void ProcessMouseClick(ref MouseEventExtArgs e)
{
if ((m_DownButtonsWaitingForMouseUp & e.Button) != MouseButtons.None)
{
m_PreviousClicked = e.Button;
m_PreviousClickedPosition = e.Point;
m_DownButtonsWaitingForMouseUp = MouseButtons.None;
InvokeMouseEventHandler(MouseClick, e);
InvokeMouseEventHandlerExt(MouseClickExt, e);
}
}
private void InvokeMouseEventHandlerExt(EventHandler<MouseEventExtArgs> handler, MouseEventExtArgs e)
{
if (handler != null)
{
handler(this, e);
}
}
