/// <summary>
/// Returns monitor in witch control is placed
/// </summary>
/// <param name="control">Control</param>
/// <returns>Workarea in witch control is placed</returns>
public static Rect GetControlMonitor(FrameworkElement control)
{
var tabItemPos = control.PointToScreen(new Point(0, 0));
var tabItemRect = new RECT();
tabItemRect.left = (int)tabItemPos.X;
tabItemRect.top = (int)tabItemPos.Y;
tabItemRect.right = (int)tabItemPos.X + (int)control.ActualWidth;
tabItemRect.bottom = (int)tabItemPos.Y + (int)control.ActualHeight;
const uint MONITOR_DEFAULTTONEAREST = 0x00000002;
var monitor = NativeMethods.MonitorFromRect(ref tabItemRect, MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MONITORINFO();
monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);
NativeMethods.GetMonitorInfo(monitor, monitorInfo);
return new Rect(monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.top, monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top);
}
return new Rect();
}
/// <summary>
/// Implements custom placement for ribbon popup
/// </summary>
/// <param name="popupsize"></param>
/// <param name="targetsize"></param>
/// <param name="offset"></param>
/// <returns></returns>
private CustomPopupPlacement[] CustomPopupPlacementMethod(Size popupsize, Size targetsize, Point offset)
{
if (this.DropDownPopup == null
|| this.SelectedTabItem == null)
{
return null;
}
// Get current workarea
var tabItemPos = this.SelectedTabItem.PointToScreen(new Point(0, 0));
var tabItemRect = new RECT
{
left = (int)tabItemPos.X,
top = (int)tabItemPos.Y,
right = (int)tabItemPos.X + (int)this.SelectedTabItem.ActualWidth,
bottom = (int)tabItemPos.Y + (int)this.SelectedTabItem.ActualHeight
};
const uint MONITOR_DEFAULTTONEAREST = 0x00000002;
var monitor = NativeMethods.MonitorFromRect(ref tabItemRect, MONITOR_DEFAULTTONEAREST);
if (monitor == IntPtr.Zero)
{
return null;
}
var monitorInfo = new MONITORINFO();
monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);
UnsafeNativeMethods.GetMonitorInfo(monitor, monitorInfo);
var startPoint = this.PointToScreen(new Point(0, 0));
if (this.FlowDirection == FlowDirection.RightToLeft)
{
startPoint.X -= this.ActualWidth;
}
var inWindowRibbonWidth = monitorInfo.rcWork.right - Math.Max(monitorInfo.rcWork.left, startPoint.X);
var actualWidth = this.ActualWidth;
if (startPoint.X < monitorInfo.rcWork.left)
{
actualWidth -= monitorInfo.rcWork.left - startPoint.X;
startPoint.X = monitorInfo.rcWork.left;
}
// Set width and prevent negative values
this.DropDownPopup.Width = Math.Max(0, Math.Min(actualWidth, inWindowRibbonWidth));
return new[]
{
new CustomPopupPlacement(new Point(startPoint.X - tabItemPos.X + offset.X, targetsize.Height + offset.Y), PopupPrimaryAxis.Vertical),
new CustomPopupPlacement(new Point(startPoint.X - tabItemPos.X + offset.X, -1 * (targetsize.Height + offset.Y + ((ScrollViewer)this.SelectedContent).ActualHeight)), PopupPrimaryAxis.Vertical)
};
}
internal static extern IntPtr MonitorFromPoint(POINT pt, MONITORINFO.MonitorOptions dwFlags);
private MINMAXINFO GetMinMaxInfo(IntPtr hwnd, MINMAXINFO mmi)
{
// Adjust the maximized size and position to fit the work area of the correct monitor
var monitor = UnsafeNativeMethods.MonitorFromWindow(hwnd, Constants.MONITOR_DEFAULTTONEAREST);
if (monitor == IntPtr.Zero)
{
return mmi;
}
var monitorInfo = new MONITORINFO();
UnsafeNativeMethods.GetMonitorInfo(monitor, monitorInfo);
var rcWorkArea = monitorInfo.rcWork;
var rcMonitorArea = monitorInfo.rcMonitor;
Debug.WriteLine("Monitor-Info");
Debug.WriteLine(string.Format("Work: {0}", rcWorkArea));
Debug.WriteLine(string.Format("Mon : {0}", rcMonitorArea));
Debug.WriteLine(string.Format("Before: {0}", mmi));
mmi.ptMaxPosition.X = rcWorkArea.left;
mmi.ptMaxPosition.Y = rcWorkArea.top;
var ignoreTaskBar = this.IgnoreTaskBar();
var x = ignoreTaskBar ? monitorInfo.rcMonitor.left : monitorInfo.rcWork.left;
var y = ignoreTaskBar ? monitorInfo.rcMonitor.top : monitorInfo.rcWork.top;
mmi.ptMaxSize.X = ignoreTaskBar ? Math.Abs(monitorInfo.rcMonitor.right - x) : Math.Abs(monitorInfo.rcWork.right - x);
mmi.ptMaxSize.Y = ignoreTaskBar ? Math.Abs(monitorInfo.rcMonitor.bottom - y) : Math.Abs(monitorInfo.rcWork.bottom - y);
if (!ignoreTaskBar)
{
mmi.ptMaxTrackSize.X = mmi.ptMaxSize.X;
mmi.ptMaxTrackSize.Y = mmi.ptMaxSize.Y;
mmi = AdjustWorkingAreaForAutoHide(monitor, mmi);
}
Debug.WriteLine(string.Format("After: {0}", mmi));
return mmi;
}
