public override void Update(GameTime gameTime)
{
float frameTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
if (CurrentTabPage == null || Children.Count != lastPageCount)
{
lastPageCount = Children.Count;
if (Children.Count > 0)
CurrentTabPage = Children[0] as XGTabPage;
}
base.Update(gameTime);
}
internal Rectangle GetPageRect(XGTabPage tabPage)
{
Rectangle pageRect = ToScreen(Rectangle);
int tabHeight = XnaGUIManager.spriteFont.LineSpacing + 5;
pageRect.Y += tabHeight;
pageRect.Height -= tabHeight;
return pageRect;
}
internal Rectangle GetTabRect(XGTabPage tabPage)
{
if (tabPage == null)
return Rectangle.Empty;
Rectangle rect = ToScreen(Rectangle);
rect.Height = XnaGUIManager.spriteFont.LineSpacing + 8;
rect.Width = 0;
for (int i = 0; i < Children.Count; i++)
{
int tabWidth = (int )XnaGUIManager.spriteFont.MeasureString(Children[i].Text).X + 8;
if (Children[i] == tabPage)
{
rect.Width = tabWidth;
return rect;
}
rect.X += tabWidth;
}
return rect;
}
internal override bool Activate(Point point)
{
Rectangle rect = ToScreen(Rectangle);
int tabHeight = XnaGUIManager.spriteFont.LineSpacing + 8;
rect.Height = tabHeight;
if (rect.Contains(point))
{
// activate a tab;
for (int i = 0; i < Children.Count; i++)
{
Rectangle tabRect = GetTabRect(Children[i] as XGTabPage);
if (tabRect.Contains(point))
{
this.focusControl = Children[i];
CurrentTabPage = this.focusControl as XGTabPage;
return true;
}
}
return false;
}
return base.Activate(point);
}