gtk/subclass/
cell_renderer_text.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use libc::c_char;
4
5use glib::subclass::prelude::*;
6use glib::translate::*;
7use glib::{GString, object::Cast};
8
9use super::cell_renderer::CellRendererImpl;
10
11use crate::{CellRendererText, ffi};
12
13pub trait CellRendererTextImpl: CellRendererTextImplExt + CellRendererImpl {
14    fn edited(&self, path: &str, new_text: &str) {
15        self.parent_edited(path, new_text);
16    }
17}
18
19mod sealed {
20    pub trait Sealed {}
21    impl<T: super::CellRendererTextImpl> Sealed for T {}
22}
23
24pub trait CellRendererTextImplExt: ObjectSubclass + sealed::Sealed {
25    fn parent_edited(&self, path: &str, new_text: &str) {
26        unsafe {
27            let data = Self::type_data();
28            let parent_class = data.as_ref().parent_class() as *mut ffi::GtkCellRendererTextClass;
29            if let Some(f) = (*parent_class).edited {
30                f(
31                    self.obj()
32                        .unsafe_cast_ref::<CellRendererText>()
33                        .to_glib_none()
34                        .0,
35                    path.to_glib_none().0,
36                    new_text.to_glib_none().0,
37                )
38            }
39        }
40    }
41}
42
43impl<T: CellRendererTextImpl> CellRendererTextImplExt for T {}
44
45unsafe impl<T: CellRendererTextImpl> IsSubclassable<T> for CellRendererText {
46    fn class_init(class: &mut ::glib::Class<Self>) {
47        Self::parent_class_init::<T>(class);
48
49        if !crate::rt::is_initialized() {
50            panic!("GTK has to be initialized first");
51        }
52
53        let klass = class.as_mut();
54        klass.edited = Some(cell_renderer_text_edited::<T>);
55    }
56}
57
58unsafe extern "C" fn cell_renderer_text_edited<T: CellRendererTextImpl>(
59    ptr: *mut ffi::GtkCellRendererText,
60    path: *const c_char,
61    new_text: *const c_char,
62) {
63    unsafe {
64        let instance = &*(ptr as *mut T::Instance);
65        let imp = instance.imp();
66
67        imp.edited(
68            &GString::from_glib_borrow(path),
69            &GString::from_glib_borrow(new_text),
70        )
71    }
72}
gtk/subclass/cell_renderer_text.rs

gtk/subclass/
cell_renderer_text.rs
