/// <summary>
/// Use the setting from the Positioning to display the tooltip
/// </summary>
/// <param name="target"></param>
/// <param name="controlMousePosition"></param>
public void ShowRelativeTo(ViewBase target, Point controlMousePosition)
{
PopupPositionValues position;
if (_contentValues is ToolTipValues toolTipValues)
{
position = toolTipValues.ToolTipPosition;
}
else
{
position = new PopupPositionValues();
}
Point currentCursorHotSpot = CommonHelper.CaptureCursor();
Rectangle positionPlacementRectangle = position.PlacementRectangle;
switch (position.PlacementMode)
{
case PlacementMode.Absolute:
case PlacementMode.AbsolutePoint:
// The screen, or PlacementRectangle if it is set.
// So do nothing !
break;
case PlacementMode.Mouse:
case PlacementMode.MousePoint:
// The bounds of the mouse pointer. PlacementRectangle is ignored
positionPlacementRectangle = new Rectangle(controlMousePosition.X, controlMousePosition.Y, currentCursorHotSpot.X + 2, currentCursorHotSpot.Y + 2);
break;
default:
// The screen, or PlacementRectangle if it is set. The PlacementRectangle is relative to the screen.
if (positionPlacementRectangle.IsEmpty)
{
// PlacementTarget or parent.
positionPlacementRectangle =
position.PlacementTarget?.ClientRectangle ?? target.ClientRectangle;
positionPlacementRectangle = (position.PlacementTarget?.OwningControl ?? target.OwningControl).RectangleToScreen(positionPlacementRectangle);
}
else
{
positionPlacementRectangle = Screen.GetWorkingArea(controlMousePosition);
}
break;
}
// Get the size the popup would like to be
Size popupSize = ViewManager.GetPreferredSize(Renderer, Size.Empty);
Point popupLocation;
switch (position.PlacementMode)
{
case PlacementMode.Absolute:
case PlacementMode.AbsolutePoint:
case PlacementMode.MousePoint:
case PlacementMode.Relative:
case PlacementMode.RelativePoint:
// The top-left corner of the target area. The top-left corner of the Popup.
popupLocation = positionPlacementRectangle.Location;
if (positionPlacementRectangle.IntersectsWith(new Rectangle(controlMousePosition, (Size)currentCursorHotSpot)))
{
// TODO: SKC: Should really get the HotSpot from the Icon and use that !
popupLocation.X = controlMousePosition.X + 4; // Still might "Bounce back" due to offscreen location
}
break;
case PlacementMode.Bottom:
case PlacementMode.Mouse:
// The bottom-left corner of the target area. The top-left corner of the Popup.
popupLocation = new Point(positionPlacementRectangle.Left, positionPlacementRectangle.Bottom);
break;
case PlacementMode.Center:
// The center of the target area. The center of the Popup.
popupLocation = positionPlacementRectangle.Location;
popupLocation.Offset(popupSize.Width / 2, -popupSize.Height / 2);
if (positionPlacementRectangle.IntersectsWith(new Rectangle(controlMousePosition, (Size)currentCursorHotSpot)))
{
// TODO: SKC: Should really get the HotSpot from the Icon and use that !
popupLocation.X = controlMousePosition.X + 4; // Still might "Bounce back" due to offscreen location
}
break;
case PlacementMode.Left:
// The top-left corner of the target area. The top-right corner of the Popup.
popupLocation = new Point(positionPlacementRectangle.Left - popupSize.Width, positionPlacementRectangle.Top);
break;
case PlacementMode.Right:
// The top-right corner of the target area. The top-left corner of the Popup.
popupLocation = new Point(positionPlacementRectangle.Right, positionPlacementRectangle.Top);
break;
case PlacementMode.Top:
// The top-left corner of the target area. The bottom-left corner of the Popup.
popupLocation = new Point(positionPlacementRectangle.Left, positionPlacementRectangle.Top - popupSize.Height);
break;
default:
throw new ArgumentOutOfRangeException();
}
// Show it now!
Show(popupLocation, popupSize);
}
/// <summary>
/// </summary>
/// <param name="needPaint"></param>
public ToolTipValues(NeedPaintHandler needPaint)
: base(needPaint)
{
ResetToolTipStyle();
ToolTipPosition = new PopupPositionValues();
}
