/// <summary>
/// Measures the given tab
/// </summary>
/// <param name="tab"></param>
/// <returns></returns>
private Size MeasureTab(SuperTabItem tab)
{
Size size = new Size(0, 0);
// Measure the tab Text
Font font = tab.GetTabFont();
Size textSize = (tab.TextMarkupBody != null)
? MeasureMarkup(tab, Graphics, font) : MeasureText(tab, Graphics, font);
textSize.Width += _TabLayoutOffset.Width;
textSize.Height += _TabLayoutOffset.Height;
bool displayText =
(tab.IsSelected || _TabStripItem.DisplaySelectedTextOnly == false);
// Add in our overlap, spacing, and selection padding
if (_TabStripItem.IsVertical == false || _TabStripItem.HorizontalText == false)
{
if (displayText == true)
size.Width += (textSize.Width + _TabStripItem.TabHorizontalSpacing);
if (textSize.Height > size.Height)
size.Height = textSize.Height;
size.Width += (TabDisplay.TabOverlap + TabDisplay.TabSpacing);
}
else
{
if (displayText == true)
{
if (textSize.Height > size.Height)
size.Height = textSize.Height;
}
size.Height += (TabDisplay.TabOverlap + TabDisplay.TabSpacing);
size.Width += (textSize.Width + _TabStripItem.TabHorizontalSpacing + TabDisplay.SelectedPaddingWidth);
}
// Add in any image space needed
CompositeImage tabImage = tab.GetTabImage();
if (tabImage != null)
{
int h = _TabStripItem.TabVerticalSpacing + tab.ImagePadding.Vertical;
int w = _TabStripItem.TabHorizontalSpacing + tab.ImagePadding.Horizontal;
switch (tab.EffectiveImageAlignment)
{
case ImageAlignment.TopLeft:
case ImageAlignment.TopCenter:
case ImageAlignment.TopRight:
case ImageAlignment.BottomLeft:
case ImageAlignment.BottomCenter:
case ImageAlignment.BottomRight:
size.Height += (tabImage.Height + h);
break;
case ImageAlignment.MiddleLeft:
case ImageAlignment.MiddleRight:
size.Width += (tabImage.Width + w);
if (size.Height < tabImage.Height + h)
size.Height = tabImage.Height + h;
break;
case ImageAlignment.MiddleCenter:
if (size.Height < tabImage.Height + h)
size.Height = tabImage.Height + h;
break;
}
int n = tabImage.Height +
_TabStripItem.TabDisplay.TabOverlap + _TabStripItem.TabDisplay.TabSpacing + 4;
if (size.Height < n)
size.Height = n;
}
// Add in the Close Button
if (TabDisplay.CloseButtonOnTabs && tab.CloseButtonVisible)
{
size.Width += (_CloseButtonSize.Width + _TabStripItem.TabHorizontalSpacing);
if (size.Height < _CloseButtonSize.Height + _TabStripItem.TabVerticalSpacing)
size.Height = _CloseButtonSize.Height + _TabStripItem.TabVerticalSpacing;
if (size.Height < _CloseButtonSize.Height + 4)
size.Height = _CloseButtonSize.Height + 4;
}
// Add our default spacing
size.Width += _TabStripItem.TabHorizontalSpacing * 2;
size.Height += _TabStripItem.TabVerticalSpacing * 2;
return (size);
}
