/// <summary>
/// Get corrected cursor coordinates relative to Visual</summary>
/// <param name="relativeTo">Visual to get coordinates relative to</param>
/// <returns>Cursor position in current coordinate system of the Visual</returns>
public static Point CorrectGetPosition(Visual relativeTo)
{
var w32Mouse = new Windows.POINT();
GetCursorPos(ref w32Mouse);
return(relativeTo.PointFromScreen(new Point(w32Mouse.x, w32Mouse.y)));
}
void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
if (Dispatcher.Thread != Thread.CurrentThread)
{
Dispatcher.BeginInvoke(new EventHandler <ElapsedEventArgs>(Timer_Elapsed), new object[] { sender, e });
return;
}
try
{
Point curMousePos = m_lastItemOver != null?Win32Calls.GetPosition(m_lastItemOver) : new Point(-1, -1);
if (m_lastItemOver != null && new Rect(0, 0, m_lastItemOver.ActualWidth, m_lastItemOver.ActualHeight).Contains(curMousePos))
{
TimeSpan ts = DateTime.Now - m_timerTime;
if (ts.TotalMilliseconds > 500 || Mouse.LeftButton == MouseButtonState.Pressed)
{
ShowPopup();
m_lastItemOver.IsChecked = true;
m_lastItemOver = null;
m_timerTime = DateTime.Now;
}
m_timer.Start();
}
else
{
var app = Application.Current;
if (app == null)
{
return;
}
var window = app.MainWindow;
if (window == null || !window.IsActive)
{
return;
}
if (PART_Popup.IsOpen && !PART_Popup.Resizing)
{
var pt32 = new Windows.POINT();
Win32Calls.GetCursorPos(ref pt32);
Point mousePos = new Point(pt32.x, pt32.y);
Point pos = PointToScreen(new Point(0, 0));
Matrix m = PresentationSource.FromVisual(Window.GetWindow(this)).CompositionTarget.TransformToDevice;
if (m != Matrix.Identity)
{
m.Invert();
mousePos = m.Transform(mousePos);
pos = m.Transform(pos);
}
switch (TabsPlacement)
{
case System.Windows.Controls.Dock.Top:
pos.Y += ActualHeight;
break;
case System.Windows.Controls.Dock.Bottom:
pos.Y -= PART_Popup.Height;
break;
case System.Windows.Controls.Dock.Left:
pos.X += ActualWidth;
break;
case System.Windows.Controls.Dock.Right:
pos.X -= PART_Popup.Width;
break;
}
bool b2 = new Rect(pos.X, pos.Y, PART_Popup.Width, PART_Popup.Height).Contains(mousePos);
Point posThis = Win32Calls.GetPosition(this);
bool b3 = new Rect(0, 0, ActualWidth, ActualHeight).Contains(posThis);
if (!b2 && !b3)
{
TimeSpan ts = DateTime.Now - m_timerTime;
if (ts.TotalMilliseconds > 1000)
{
// if mouse is outside for more than some time, then collapse this popup
ClosePopup();
}
else
{
m_timer.Start();
}
}
else
{
m_timerTime = DateTime.Now;
m_timer.Start();
}
}
}
}
catch (InvalidOperationException)
{
// Can be thrown when closing the application and popup is still open...
}
}
private static extern bool GetCursorPos(ref Windows.POINT pt);
private static extern bool ScreenToClient(IntPtr hwnd, ref Windows.POINT pt);
internal static extern bool GetCursorPos(ref Windows.POINT pt);
