gtk/
combo_box.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use crate::{ComboBox, ffi};
4use glib::object::IsA;
5use glib::translate::*;
6
7mod sealed {
8    pub trait Sealed {}
9    impl<T: glib::object::IsA<crate::ComboBox>> Sealed for T {}
10}
11
12pub trait ComboBoxExtManual: IsA<ComboBox> + sealed::Sealed + 'static {
13    /// Sets the active item of `self` to be the item at `index`.
14    /// ## `index_`
15    /// An index in the model passed during construction, or -1 to have
16    /// no active item
17    #[doc(alias = "gtk_combo_box_set_active")]
18    fn set_active(&self, index_: Option<u32>) {
19        let index_ = match index_ {
20            Some(i) => i as _,
21            None => -1,
22        };
23        unsafe {
24            ffi::gtk_combo_box_set_active(self.as_ref().to_glib_none().0, index_);
25        }
26    }
27
28    /// Returns the index of the currently active item, or -1 if there’s no
29    /// active item. If the model is a non-flat treemodel, and the active item
30    /// is not an immediate child of the root of the tree, this function returns
31    /// `gtk_tree_path_get_indices (path)[0]`, where
32    /// `path` is the [`TreePath`][crate::TreePath] of the active item.
33    ///
34    /// # Returns
35    ///
36    /// An integer which is the index of the currently active item,
37    ///  or -1 if there’s no active item.
38    #[doc(alias = "gtk_combo_box_get_active")]
39    #[doc(alias = "get_active")]
40    fn active(&self) -> Option<u32> {
41        match unsafe { ffi::gtk_combo_box_get_active(self.as_ref().to_glib_none().0) } {
42            -1 => None,
43            x => Some(x as _),
44        }
45    }
46}
47
48impl<O: IsA<ComboBox>> ComboBoxExtManual for O {}
gtk/combo_box.rs

gtk/
combo_box.rs
