/// <summary>
/// The perform placement.
/// </summary>
internal void PerformPlacement()
{
if (this.owner == null)
{
return;
}
double horizontalOffset = this.HorizontalOffset;
double verticalOffset = this.VerticalOffset;
PlacementMode placementMode = PinnableTooltipService.GetPlacement(this.owner);
UIElement placementTarget = PinnableTooltipService.GetPlacementTarget(this.owner) ?? this.owner;
Point mousePosition = PinnableTooltipService.MousePosition;
FrameworkElement rootVisual = PinnableTooltipService.RootVisual;
switch (placementMode)
{
case PlacementMode.Mouse:
double offsetX = mousePosition.X + horizontalOffset;
double offsetY = mousePosition.Y + new TextBlock().FontSize + verticalOffset;
offsetX = Math.Max(2.0, offsetX);
offsetY = Math.Max(2.0, offsetY);
double actualHeight = rootVisual.ActualHeight;
double actualWidth = rootVisual.ActualWidth;
double lastHeight = this.lastSize.Height;
double lastWidth = this.lastSize.Width;
var lastRectangle = new Rect(offsetX, offsetY, lastWidth, lastHeight);
var actualRectangle = new Rect(0.0, 0.0, actualWidth, actualHeight);
actualRectangle.Intersect(lastRectangle);
if ((Math.Abs(actualRectangle.Width - lastRectangle.Width) < 2.0) &&
(Math.Abs(actualRectangle.Height - lastRectangle.Height) < 2.0))
{
this.parentPopup.VerticalOffset = offsetY;
this.parentPopup.HorizontalOffset = offsetX;
}
else
{
if ((offsetY + lastRectangle.Height) > actualHeight)
{
offsetY = (actualHeight - lastRectangle.Height) - 2.0;
}
if (offsetY < 0.0)
{
offsetY = 0.0;
}
if ((offsetX + lastRectangle.Width) > actualWidth)
{
offsetX = (actualWidth - lastRectangle.Width) - 2.0;
}
if (offsetX < 0.0)
{
offsetX = 0.0;
}
this.parentPopup.VerticalOffset = offsetY;
this.parentPopup.HorizontalOffset = offsetX;
double clippingHeight = ((offsetY + lastRectangle.Height) + 2.0) - actualHeight;
double clippingWidth = ((offsetX + lastRectangle.Width) + 2.0) - actualWidth;
if ((clippingWidth >= 2.0) || (clippingHeight >= 2.0))
{
clippingWidth = Math.Max(0.0, clippingWidth);
clippingHeight = Math.Max(0.0, clippingHeight);
this.PerformClipping(
new Size(lastRectangle.Width - clippingWidth, lastRectangle.Height - clippingHeight));
}
}
break;
case PlacementMode.Bottom:
case PlacementMode.Right:
case PlacementMode.Left:
case PlacementMode.Top:
Size windowSize = ScreenUtils.GetWindowSize();
var plugin = new Rect(0.0, 0.0, windowSize.Width, windowSize.Height);
Point[] translatedPoints = GetTranslatedPoints((FrameworkElement)placementTarget);
Point[] toolTipPoints = GetTranslatedPoints(this);
Point popupLocation = PlacePopup(plugin, translatedPoints, toolTipPoints, placementMode);
this.parentPopup.VerticalOffset = popupLocation.Y + verticalOffset;
this.parentPopup.HorizontalOffset = popupLocation.X + horizontalOffset;
break;
}
}
/// <summary>
/// The get position.
/// </summary>
/// <returns>
/// The <see cref="Point" />.
/// </returns>
public Point GetPosition()
{
var position = new Point();
Point mousePosition = PinnableTooltipService.MousePosition;
FrameworkElement rootVisual = PinnableTooltipService.RootVisual;
double horizontalOffset = this.HorizontalOffset;
double verticalOffset = this.VerticalOffset;
//using this code for non UIElements
if (this.owner == null)
{
mousePosition = Mouse.GetPosition(this.userDefinedAdorner);
#if (SILVERLIGHT)
RootVisual = Application.Current.RootVisual as FrameworkElement;
#else
if ((this.userDefinedAdorner as FrameworkElement) == null)
{
rootVisual = System.Windows.Interop.BrowserInteropHelper.IsBrowserHosted
? null
: (Application.Current.MainWindow.Content as FrameworkElement) != null
? Application.Current.MainWindow.Content as FrameworkElement
: Application.Current.MainWindow;
}
else
{
rootVisual = this.userDefinedAdorner as FrameworkElement;
}
if (rootVisual == null)
{
position = this.isPositionCalculated ? this.lastPosition : mousePosition;
return(position);
}
#endif
if (this.isPositionCalculated)
{
if (lastPosition.Y + this.DesiredSize.Height > rootVisual.ActualHeight)
{
this.lastPosition.Y = rootVisual.ActualHeight - this.DesiredSize.Height;
}
if (lastPosition.X + this.DesiredSize.Width > rootVisual.ActualWidth)
{
this.lastPosition.X = rootVisual.ActualWidth - this.DesiredSize.Width;
}
position = this.lastPosition;
return(position);
}
double offsetX = mousePosition.X + horizontalOffset;
double offsetY = mousePosition.Y + verticalOffset;
//offsetX = Math.Max(2.0, offsetX);
//offsetY = Math.Max(2.0, offsetY);
double actualHeight = rootVisual.ActualHeight;
double actualWidth = rootVisual.ActualWidth;
double lastHeight = this.lastSize.Height;
double lastWidth = this.lastSize.Width;
var lastRectangle = new Rect(offsetX, offsetY, lastWidth, lastHeight);
var actualRectangle = new Rect(0.0, 0.0, actualWidth, actualHeight);
actualRectangle.Intersect(lastRectangle);
if ((offsetY + this.DesiredSize.Height) > actualHeight)
{
offsetY = (actualHeight - this.DesiredSize.Height) - 2.0;
}
if (offsetY < 0.0)
{
offsetY = 0.0;
}
if ((offsetX + this.DesiredSize.Width) > actualWidth)
{
offsetX = (actualWidth - this.DesiredSize.Width) - 2.0;
}
if (offsetX < 0.0)
{
offsetX = 0.0;
}
position.Y = offsetY;
position.X = offsetX;
this.isPositionCalculated = this.DesiredSize.Height > 0;
if (this.isPositionCalculated)
{
this.lastPosition = position;
}
return(position);
}
PlacementMode placementMode = PinnableTooltipService.GetPlacement(this.owner);
UIElement placementTarget = PinnableTooltipService.GetPlacementTarget(this.owner) ?? this.owner;
switch (placementMode)
{
case PlacementMode.Mouse:
if (this.isPositionCalculated)
{
position = this.lastPosition;
return(position);
}
double offsetX = mousePosition.X + horizontalOffset;
double offsetY = mousePosition.Y + new TextBlock().FontSize + verticalOffset;
offsetX = Math.Max(2.0, offsetX);
offsetY = Math.Max(2.0, offsetY);
double actualHeight = rootVisual.ActualHeight;
double actualWidth = rootVisual.ActualWidth;
double lastHeight = this.lastSize.Height;
double lastWidth = this.lastSize.Width;
var lastRectangle = new Rect(offsetX, offsetY, lastWidth, lastHeight);
var actualRectangle = new Rect(0.0, 0.0, actualWidth, actualHeight);
actualRectangle.Intersect(lastRectangle);
if ((Math.Abs(actualRectangle.Width - lastRectangle.Width) < 2.0) &&
(Math.Abs(actualRectangle.Height - lastRectangle.Height) < 2.0))
{
position.Y = offsetY;
position.X = offsetX;
}
else
{
if ((offsetY + lastRectangle.Height) > actualHeight)
{
offsetY = (actualHeight - lastRectangle.Height) - 2.0;
}
if (offsetY < 0.0)
{
offsetY = 0.0;
}
if ((offsetX + lastRectangle.Width) > actualWidth)
{
offsetX = (actualWidth - lastRectangle.Width) - 2.0;
}
if (offsetX < 0.0)
{
offsetX = 0.0;
}
position.Y = offsetY;
position.X = offsetX;
}
this.lastPosition = position;
this.isPositionCalculated = true;
break;
case PlacementMode.Bottom:
case PlacementMode.Right:
case PlacementMode.Left:
case PlacementMode.Top:
Size windowSize = ScreenUtils.GetWindowSize();
var plugin = new Rect(0.0, 0.0, windowSize.Width, windowSize.Height);
Point[] translatedPoints = GetTranslatedPoints((FrameworkElement)placementTarget);
Point[] toolTipPoints = GetTranslatedPoints(this);
Point popupLocation = PlacePopup(plugin, translatedPoints, toolTipPoints, placementMode);
position.Y = popupLocation.Y + verticalOffset;
position.X = popupLocation.X + horizontalOffset;
break;
}
return(position);
}