protected override void LayoutChildren(IGUIContext ctx, RectangleF bounds)
{
bool overFlow = TabBar.IsOverflow;
ScrollLeftButton.Visible = overFlow;
ScrollRightButton.Visible = overFlow;
if (overFlow)
{
ScrollLeftButton.Enabled = TabBar.CanScrollRight;
ScrollRightButton.Enabled = TabBar.CanScrollLeft;
SizeF sz = TabBar.PreferredSize(ctx, bounds.Size);
RectangleF rb = new RectangleF(bounds.Left - 1, bounds.Top, bounds.Width + 2, sz.Height);
LayoutChild(ctx, ScrollLeftButton, rb);
LayoutChild(ctx, ScrollRightButton, rb);
RectangleF centerBounds = rb;
centerBounds.Inflate(-ScrollLeftButton.Width, 0);
LayoutChild(ctx, TabBar, centerBounds);
}
else
{
LayoutChild(ctx, TabBar, bounds);
}
TabPage tp = SelectedTab;
if (tp != null)
{
LayoutChild(ctx, tp, new RectangleF(bounds.Left, bounds.Top + TabBar.Height + TabBar.Margin.Bottom,
bounds.Width, bounds.Height - TabBar.Height - TabBar.Margin.Bottom));
}
}
public void AdTabPage(string name, string caption, Color backColr = default(Color), char icon = (char)0, int index = -1)
{
TabPage tp = new TabPage(name, caption, icon);
tp.Parent = this;
tp.BackColor = backColr;
if (index >= 0 && index < TabPages.Count)
{
tp.TabIndex = TabPages [index].TabIndex;
for (int i = index + 1; i < TabPages.Count; i++)
{
TabPages [i].TabIndex++;
}
TabPages.Insert(index, tp);
}
else
{
if (TabPages.Count == 0)
{
tp.TabIndex = 0;
}
else
{
tp.TabIndex = TabPages.Last.TabIndex + 1;
}
TabPages.AddLast(tp);
}
TabBar.AddChild(tp.TabButton);
tp.Selected |= TabPages.Count == 1;
ResetCachedLayout();
}
public TabContainer(string name)
: base(name, Docking.Fill, new TabContainerStyle())
{
ScrollLeftButton = new Button("scrollleft", null, ((char)FontAwesomeIcons.fa_long_arrow_left), ColorContexts.Default);
ScrollLeftButton.Dock = Docking.Left;
ScrollLeftButton.CanFocus = false;
ScrollLeftButton.CanSelect = false;
ScrollLeftButton.IsAutofire = true;
ScrollRightButton = new Button("scrollright", null, ((char)FontAwesomeIcons.fa_long_arrow_right), ColorContexts.Default);
ScrollRightButton.Dock = Docking.Right;
ScrollRightButton.IsAutofire = true;
ScrollRightButton.CanFocus = false;
ScrollRightButton.CanSelect = false;
Children.Add(ScrollLeftButton);
Children.Add(ScrollRightButton);
TabBar = new TabBar();
Children.Add(TabBar);
TabPages = new TabPageCollection();
ScrollLeftButton.Fire += ScrollLeftButton_Fire;
ScrollRightButton.Fire += ScrollRightButton_Fire;
}
void ScrollRightButton_Fire(object sender, EventArgs e)
{
TabBar.ScrollNext();
//TabBar.ScrollRight ();
}
void ScrollLeftButton_Fire(object sender, EventArgs e)
{
//TabBar.ScrollLeft ();
TabBar.ScrollPrevious();
}