Gtk::Scrollable is an interface for widgets with native scrolling ability.
To implement this interface you should override the
Creating a scrollable widget
All scrollable widgets should do the following.
When a parent widget sets the scrollable child widget’s adjustments, the widget should connect to the [signal@Gtk.Adjustment::value-changed] signal. The child widget should then populate the adjustments’ properties as soon as possible, which usually means queueing an allocation right away and populating the properties in the
Because its preferred size is the size for a fully expanded widget, the scrollable widget must be able to cope with underallocations. This means that it must accept any value passed to its
When the parent allocates space to the scrollable child widget, the widget must ensure the adjustments’ property values are correct and up to date, for example using
When any of the adjustments emits the [signal@Gtk.Adjustment::value-changed] signal, the scrollable widget should scroll its contents.
Direct including types
Class Method Summary
Instance Method Summary
- #border : Gtk::Border
- #hadjustment : Gtk::Adjustment?
- #hadjustment=(hadjustment : Gtk::Adjustment?) : Nil
- #hscroll_policy : Gtk::ScrollablePolicy
- #hscroll_policy=(policy : Gtk::ScrollablePolicy) : Nil
- #vadjustment : Gtk::Adjustment?
- #vadjustment=(vadjustment : Gtk::Adjustment?) : Nil
- #vscroll_policy : Gtk::ScrollablePolicy
- #vscroll_policy=(policy : Gtk::ScrollablePolicy) : Nil