gtk4/
tree_model_filter.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::boxed::Box as Box_;
4
5use glib::translate::*;
6
7use crate::{ffi, prelude::*, TreeIter, TreeModel, TreeModelFilter, TreePath};
8
9impl TreeModelFilter {
10    #[doc(alias = "gtk_tree_model_filter_new")]
11    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
12    #[allow(deprecated)]
13    pub fn new(child_model: &impl IsA<TreeModel>, root: Option<&TreePath>) -> Self {
14        skip_assert_initialized!();
15        unsafe {
16            TreeModel::from_glib_none(ffi::gtk_tree_model_filter_new(
17                child_model.as_ref().to_glib_none().0,
18                mut_override(root.to_glib_none().0),
19            ))
20            .unsafe_cast()
21        }
22    }
23}
24
25// rustdoc-stripper-ignore-next
26/// Trait containing manually implemented methods of
27/// [`TreeModelFilter`](crate::TreeModelFilter).
28#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
29#[allow(deprecated)]
30pub trait TreeModelFilterExtManual: IsA<TreeModelFilter> + 'static {
31    #[doc(alias = "gtk_tree_model_filter_set_modify_func")]
32    fn set_modify_func<F: Fn(&TreeModel, &TreeIter, i32) -> glib::Value + 'static>(
33        &self,
34        types: &[glib::Type],
35        func: F,
36    ) {
37        unsafe {
38            let types_ptr: Vec<glib::ffi::GType> = types.iter().map(|t| t.into_glib()).collect();
39
40            unsafe extern "C" fn func_trampoline<
41                F: Fn(&TreeModel, &TreeIter, i32) -> glib::Value + 'static,
42            >(
43                model: *mut ffi::GtkTreeModel,
44                iter: *mut ffi::GtkTreeIter,
45                value: *mut glib::gobject_ffi::GValue,
46                column: i32,
47                user_data: glib::ffi::gpointer,
48            ) {
49                let f: &F = &*(user_data as *const F);
50                let ret = f(&from_glib_borrow(model), &from_glib_borrow(iter), column);
51                *value = ret.into_raw();
52            }
53
54            unsafe extern "C" fn destroy_func<
55                F: Fn(&TreeModel, &TreeIter, i32) -> glib::Value + 'static,
56            >(
57                user_data: glib::ffi::gpointer,
58            ) {
59                let _callback: Box_<Option<Box_<F>>> = Box_::from_raw(user_data as *mut _);
60            }
61            let callback_data: Box_<F> = Box_::new(func);
62
63            ffi::gtk_tree_model_filter_set_modify_func(
64                self.as_ref().to_glib_none().0,
65                types.len() as i32,
66                mut_override(types_ptr.as_ptr()),
67                Some(func_trampoline::<F> as _),
68                Box_::into_raw(callback_data) as *mut _,
69                Some(destroy_func::<F> as _),
70            )
71        }
72    }
73}
74
75impl<O: IsA<TreeModelFilter>> TreeModelFilterExtManual for O {}
gtk4/tree_model_filter.rs

gtk4/
tree_model_filter.rs
