Tabbed Container. Tabbed Container. Contains several children controls, but shows only one at the same time. Clicking on the top tabs allows to change the currently visible one. Children controls of this one automatically. Returns [code]true[/code] if the tabs are visible. Returns the current tab index that is being shown. Returns the previous tab index that was being shown. Returns the tab alignment.See the ALIGN_* constants. Returns the current tab control that is being shown. Returns the amount of tabs. Returns [code]true[/code] if the tab at index [code]tab_idx[/code] is disabled. Returns the [Texture] for the tab at index [code]tab_idx[/code] or null if the tab has no [Texture]. Returns the title for the tab at index [code]tab_idx[/code]. Tab titles are by default the children node name, but this can be overridden. Bring a tab (and the Control it represents) to the front, and hide the rest. Set tab alignment, from the ALIGN_* enum. Moves tabs to the left, right or center. Set tab at index [code]tab_idx[/code] disabled. Set an icon for a tab at index [code]tab_idx[/code]. Set a title for the tab at index [code]tab_idx[/code]. Tab titles are by default the children node name, but this can be overridden. If [code]true[/code] all the tabs will be visible. The current tab. The alignment of all the tabs of the tab container. See the [code]ALIGN_*[/code] constants. If [code]true[/code] all tabs that are children of the TabContainer will be visible. Emitted only when the current tab changes. Emitted when a tab is being selected, even if it is the same tab.