/// <summary>
/// Show the tooltip popup relative to the provided screen position.
/// </summary>
/// <param name="screenRect">Screen position to display relative to.</param>
public void ShowCalculatingSize(Rectangle screenRect)
{
// Get the size the popup would like to be
Size popupSize = ViewManager.GetPreferredSize(Renderer, Size.Empty);
// Find the screen position the popup will be relative to
screenRect = new Rectangle(screenRect.X, screenRect.Y - VERT_OFFSET,
screenRect.Width, screenRect.Height + (VERT_OFFSET * 2));
// Show it now!
Show(screenRect, popupSize);
}
/// <summary>
/// Show the tooltip popup relative to the provided screen position.
/// </summary>
/// <param name="screenPt">Screen point of cursor.</param>
public void ShowCalculatingSize(Point screenPt)
{
// Get the size the popup would like to be
Size popupSize = ViewManager.GetPreferredSize(Renderer, Size.Empty);
// Find the screen position the popup will be relative to
Rectangle screenRect = new Rectangle(screenPt.X + HORZ_OFFSET - (popupSize.Width / 2),
screenPt.Y - VERT_OFFSET,
1, VERT_OFFSET * 2);
// Show it now!
Show(screenRect, popupSize);
}
/// <summary>
/// Get the preferred size of the control based on a proposed size.
/// </summary>
/// <param name="proposedSize">Starting size proposed by the caller.</param>
/// <returns>Calculated preferred size.</returns>
public override Size GetPreferredSize(Size proposedSize)
{
// Do we have a manager to ask for a preferred size?
if (ViewManager != null)
{
// Ask the view to peform a layout
Size retSize = ViewManager.GetPreferredSize(Renderer, proposedSize);
// Apply the maximum sizing
if (MaximumSize.Width > 0)
{
retSize.Width = Math.Min(MaximumSize.Width, retSize.Width);
}
if (MaximumSize.Height > 0)
{
retSize.Height = Math.Min(MaximumSize.Height, retSize.Width);
}
// Apply the minimum sizing
if (MinimumSize.Width > 0)
{
retSize.Width = Math.Max(MinimumSize.Width, retSize.Width);
}
if (MinimumSize.Height > 0)
{
retSize.Height = Math.Max(MinimumSize.Height, retSize.Height);
}
return(retSize);
}
else
{
// Fall back on default control processing
return(base.GetPreferredSize(proposedSize));
}
}