gtk4/icon_theme.rs
1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{translate::*, Slice};
4
5use crate::IconTheme;
6
7impl IconTheme {
8 /// Returns an array of integers describing the sizes at which
9 /// the icon is available without scaling.
10 ///
11 /// A size of -1 means that the icon is available in a scalable
12 /// format. The array is zero-terminated.
13 /// ## `icon_name`
14 /// the name of an icon
15 ///
16 /// # Returns
17 ///
18 /// A newly
19 /// allocated array describing the sizes at which the icon is
20 /// available. The array should be freed with g_free() when it is no
21 /// longer needed.
22 #[doc(alias = "gtk_icon_theme_get_icon_sizes")]
23 #[doc(alias = "get_icon_sizes")]
24 pub fn icon_sizes(&self, icon_name: impl IntoGStr) -> Slice<i32> {
25 unsafe {
26 let sizes_ptr = icon_name.run_with_gstr(|icon_name| {
27 crate::ffi::gtk_icon_theme_get_icon_sizes(self.to_glib_none().0, icon_name.as_ptr())
28 });
29 let mut len = 0;
30 if !sizes_ptr.is_null() {
31 while std::ptr::read(sizes_ptr.add(len)) != 0 {
32 len += 1;
33 }
34 }
35 Slice::from_glib_full_num(sizes_ptr, len)
36 }
37 }
38}