Container

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Object Hierarchy:

Description:

Content:

Properties:

• public Widget? child { owned get; }
  Gets the first child of the Container.
• public BidirList<Widget> children { owned get; }
  Gets a read-only list of children of the Container.
• public bool descendant_has_focus { get; }
  Returns true if any of the children of this Container currently has focus.
• public virtual bool draw_children_as_focused { get; }
  Returns true if children of this Container should be drawn as focused in addition to the Container itself.
• public ContainerType container_type { construct; get; }
  Gets the type of container.

Creation methods:

• protected Container (ContainerType type)
  Creates a new instance of a Container.

Methods:

• protected override int get_preferred_width ()
  Gets the preferred width of the widget.
• protected override int get_preferred_height ()
  Gets the preferred height of the widget.
• protected override int get_preferred_width_for_height (int height)
  Gets the preferred width of the widget for the specified height.
• protected override int get_preferred_height_for_width (int width)
  Gets the preferred height of the widget for the specified width.
• public void add (Widget widget)
  Adds a new Widget to this Container.
• public void insert_before (Widget new_widget, Widget existing_widget)
  Insert a widget before an existing widget.
• public void remove (Widget widget)
  Removes a widget from the list of children.
• public void sort (owned CompareDataFunc<Widget> func)
  Sorts the list of children using the provided function.
• public bool focus_first ()
  Focuses the first descendant of the container that can focus.
• protected void set_child_bounds (Widget child, int x1, int y1, int x2, int y2)
  Sets the bounding rectangles for a child widget.
• protected override void do_layout ()
  Implementations should override this method if they need to handle laying out its contents.
• protected override void draw_content ()
  Implementations should override this method.

Signals:

• public signal void child_added (Widget child)
  Emitted when a child is added to this Container.
• public signal void child_removed (Widget child)
  Emitted when a child is removed from this Container.

Fields:

• protected LinkedList<Widget> _children

Inherited Members: