private static Win32Api.W32Rect GetMonitor(Win32Api.W32Point position)
{
IntPtr monitorHandle = Win32Api.MonitorFromPoint(position, Win32Api.MonitorOptions.MONITOR_DEFAULT_NEAREST); //0x00000002: return nearest monitor if pt is not contained in any monitor
Win32Api.W32MonitorInfo monitorInfo = new Win32Api.W32MonitorInfo
{
Size = Marshal.SizeOf(typeof(Win32Api.W32MonitorInfo))
};
if (!Win32Api.GetMonitorInfo(monitorHandle, ref monitorInfo))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
return(monitorInfo.WorkArea);
}
private static void ComputeTopLeft(ref Window window, Point?caretPosition) //TODO: don't use ref
{
Win32Api.W32Rect monitor;
double top;
double left;
//if caret position can be found open the window there, if not open it at the mouse cursor //TODO: Define in settings where to open?
if (caretPosition != null)
{
monitor = GetMonitor(new Win32Api.W32Point()
{
X = (int)caretPosition.Value.X, Y = (int)caretPosition.Value.Y
});
top = caretPosition.Value.Y;
left = caretPosition.Value.X;
}
else
{
Win32Api.W32Point cursorPosition = new Win32Api.W32Point();
if (!Win32Api.GetCursorPos(ref cursorPosition))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
monitor = GetMonitor(cursorPosition);
double offsetX = Math.Round(window.Width / 2);
double offsetY = Math.Round(window.Height / 2);
top = cursorPosition.Y - offsetY;
left = cursorPosition.X - offsetX;
}
Rect screen = new Rect(new Point(monitor.Left, monitor.Top), new Point(monitor.Right, monitor.Bottom));
Rect wnd = new Rect(new Point(left, top), new Point(left + window.Width, top + window.Height));
window.Top = wnd.Top;
window.Left = wnd.Left;
if (!screen.Contains(wnd))
{
if (wnd.Top < screen.Top)
{
double diff = Math.Abs(screen.Top - wnd.Top);
window.Top = wnd.Top + diff;
}
if (wnd.Bottom > screen.Bottom)
{
double diff = wnd.Bottom - screen.Bottom;
window.Top = wnd.Top - diff;
}
if (wnd.Left < screen.Left)
{
double diff = Math.Abs(screen.Left - wnd.Left);
window.Left = wnd.Left + diff;
}
if (wnd.Right > screen.Right)
{
double diff = wnd.Right - screen.Right;
window.Left = wnd.Left - diff;
}
}
}
