pango/
tab_array.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::{TabAlign, TabArray};
6
7impl TabArray {
8    #[doc(alias = "pango_tab_array_get_tabs")]
9    #[doc(alias = "get_tabs")]
10    pub fn tabs(&self) -> (Vec<TabAlign>, Slice<i32>) {
11        let size = self.size() as usize;
12        unsafe {
13            let mut alignments = std::mem::MaybeUninit::uninit();
14            let mut locations = std::mem::MaybeUninit::uninit();
15            crate::ffi::pango_tab_array_get_tabs(
16                mut_override(self.to_glib_none().0),
17                alignments.as_mut_ptr(),
18                locations.as_mut_ptr(),
19            );
20            let locations = Slice::from_glib_container_num(locations.assume_init(), size);
21            let alignments = alignments.assume_init();
22            let mut alignments_vec = Vec::with_capacity(locations.len());
23            for i in 0..locations.len() {
24                alignments_vec.push(from_glib(*alignments.add(i)));
25            }
26            (alignments_vec, locations)
27        }
28    }
29}
30
31#[cfg(feature = "v1_50")]
32#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
33impl std::str::FromStr for TabArray {
34    type Err = glib::BoolError;
35
36    fn from_str(s: &str) -> Result<Self, Self::Err> {
37        Self::from_string(s)
38    }
39}
40
41#[cfg(test)]
42mod tests {
43    use crate::{TabAlign, TabArray};
44    #[test]
45    fn tab_array_tabs() {
46        let mut array = TabArray::new(4, false);
47        for i in 0..4 {
48            array.set_tab(i, TabAlign::Left, i * 10);
49        }
50        let (alignments, locations) = array.tabs();
51        assert_eq!(alignments.len(), 4);
52        assert_eq!(locations.len(), 4);
53        for i in 0..alignments.len() {
54            assert_eq!(alignments[i], TabAlign::Left);
55            assert_eq!(locations[i], i as i32 * 10);
56        }
57    }
58}
pango/tab_array.rs

pango/
tab_array.rs
