Trait gtk::prelude::ComboBoxExtManual
source · [−]pub trait ComboBoxExtManual: 'static {
fn set_active(&self, index_: Option<u32>);
fn active(&self) -> Option<u32>;
}
Required Methods
fn set_active(&self, index_: Option<u32>)
fn set_active(&self, index_: Option<u32>)
Sets the active item of self
to be the item at index
.
index_
An index in the model passed during construction, or -1 to have no active item
Returns the index of the currently active item, or -1 if there’s no
active item. If the model is a non-flat treemodel, and the active item
is not an immediate child of the root of the tree, this function returns
gtk_tree_path_get_indices (path)[0]
, where
path
is the TreePath
of the active item.
Returns
An integer which is the index of the currently active item, or -1 if there’s no active item.