private void ProcessPossibleDoubleClick(ref MouseEventExtArgs e)
{
if (IsDoubleClick(e.Button, e.Timestamp))
{
e = e.ToDoubleClickEventArgs();
m_DownButtonsWaitingForMouseUp = MouseButtons.None;
m_PreviousClicked = MouseButtons.None;
m_PreviousClickedTime = 0;
}
else
{
m_DownButtonsWaitingForMouseUp |= e.Button;
m_PreviousClickedTime = e.Timestamp;
}
}
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;
}
}
//##################################################################
#region ProcessCallback and related subroutines
/// <summary>
/// This method processes the data from the hook and initiates event firing.
/// </summary>
/// <param name="wParam">The first Windows Messages parameter.</param>
/// <param name="lParam">The second Windows Messages parameter.</param>
/// <returns>
/// True - The hook will be passed along to other applications.
/// <para>
/// False - The hook will not be given to other applications, effectively blocking input.
/// </para>
/// </returns>
protected override bool ProcessCallback(int wParam, IntPtr lParam)
{
MouseEventExtArgs e = MouseEventExtArgs.FromRawData(wParam, lParam, IsGlobal);
if (e.IsMouseKeyDown)
{
ProcessMouseDown(ref e);
}
if (e.Clicks == 1 && e.IsMouseKeyUp && !e.Handled)
{
ProcessMouseClick(ref e);
}
if (e.Clicks == 2 && !e.Handled)
{
InvokeMouseEventHandler(MouseDoubleClick, e);
}
if (e.IsMouseKeyUp)
{
ProcessMouseUp(ref e);
}
if (e.WheelScrolled)
{
InvokeMouseEventHandler(MouseWheel, e);
}
if (HasMoved(e.Point))
{
ProcessMouseMove(ref e);
}
return(!e.Handled);
}
private void InvokeMouseEventHandlerExt(EventHandler <MouseEventExtArgs> handler, MouseEventExtArgs e)
{
if (handler != null)
{
handler(this, e);
}
}
/// <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 contruct 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;
}
var e = new MouseEventExtArgs(
button,
clickCount,
mouseInfo.Point,
mouseDelta,
mouseInfo.Timestamp,
isMouseKeyDown,
isMouseKeyUp);
return(e);
}
