gtk4/
list_box.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_, ptr};
4
5use glib::translate::*;
6
7use crate::{ffi, ListBox, ListBoxRow, Ordering};
8
9impl ListBox {
10    #[doc(alias = "gtk_list_box_bind_model")]
11    #[doc(alias = "bind_model")]
12    pub fn unbind_model(&self) {
13        unsafe {
14            ffi::gtk_list_box_bind_model(
15                self.to_glib_none().0,
16                ptr::null_mut(),
17                None,
18                ptr::null_mut(),
19                None,
20            )
21        }
22    }
23
24    #[doc(alias = "gtk_list_box_set_filter_func")]
25    #[doc(alias = "set_filter_func")]
26    pub fn unset_filter_func(&self) {
27        unsafe {
28            ffi::gtk_list_box_set_filter_func(self.to_glib_none().0, None, ptr::null_mut(), None)
29        }
30    }
31
32    #[doc(alias = "gtk_list_box_set_header_func")]
33    #[doc(alias = "set_header_func")]
34    pub fn unset_header_func(&self) {
35        unsafe {
36            ffi::gtk_list_box_set_header_func(self.to_glib_none().0, None, ptr::null_mut(), None)
37        }
38    }
39
40    /// Sets a sort function.
41    ///
42    /// By setting a sort function on the @self one can dynamically reorder
43    /// the rows of the list, based on the contents of the rows.
44    ///
45    /// The @sort_func will be called for each row after the call, and will
46    /// continue to be called each time a row changes (via
47    /// [`ListBoxRowExt::changed()`][crate::prelude::ListBoxRowExt::changed()]) and when [`invalidate_sort()`][Self::invalidate_sort()]
48    /// is called.
49    ///
50    /// Note that using a sort function is incompatible with using a model
51    /// (see [`bind_model()`][Self::bind_model()]).
52    /// ## `sort_func`
53    /// the sort function
54    #[doc(alias = "gtk_list_box_set_sort_func")]
55    pub fn set_sort_func<P: Fn(&ListBoxRow, &ListBoxRow) -> Ordering + 'static>(
56        &self,
57        sort_func: P,
58    ) {
59        let sort_func_data: Box_<P> = Box_::new(sort_func);
60        unsafe extern "C" fn sort_func_func<
61            P: Fn(&ListBoxRow, &ListBoxRow) -> Ordering + 'static,
62        >(
63            row1: *mut ffi::GtkListBoxRow,
64            row2: *mut ffi::GtkListBoxRow,
65            user_data: glib::ffi::gpointer,
66        ) -> libc::c_int {
67            let row1 = from_glib_borrow(row1);
68            let row2 = from_glib_borrow(row2);
69            let callback: &P = &*(user_data as *mut _);
70            let res = (*callback)(&row1, &row2);
71            res.into_glib()
72        }
73        let sort_func = Some(sort_func_func::<P> as _);
74        unsafe extern "C" fn destroy_func<P: Fn(&ListBoxRow, &ListBoxRow) -> Ordering + 'static>(
75            data: glib::ffi::gpointer,
76        ) {
77            let _callback: Box_<P> = Box_::from_raw(data as *mut _);
78        }
79        let destroy_call3 = Some(destroy_func::<P> as _);
80        let super_callback0: Box_<P> = sort_func_data;
81        unsafe {
82            ffi::gtk_list_box_set_sort_func(
83                self.to_glib_none().0,
84                sort_func,
85                Box_::into_raw(super_callback0) as *mut _,
86                destroy_call3,
87            );
88        }
89    }
90
91    #[doc(alias = "gtk_list_box_set_sort_func")]
92    #[doc(alias = "set_sort_func")]
93    pub fn unset_sort_func(&self) {
94        unsafe {
95            ffi::gtk_list_box_set_sort_func(self.to_glib_none().0, None, ptr::null_mut(), None)
96        }
97    }
98}