1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
use crate::auto::traits::ListModelExt;
use crate::ListModel;
use crate::ListStore;
use glib::translate::*;
use glib::Cast;
use glib::{IsA, Object};
use std::cmp::Ordering;
impl ListStore {
#[doc(alias = "g_list_store_insert_sorted")]
pub fn insert_sorted<P: IsA<glib::Object>, F: FnMut(&Object, &Object) -> Ordering>(
&self,
item: &P,
compare_func: F,
) -> u32 {
unsafe {
let mut func = compare_func;
let func_obj: &mut (dyn FnMut(&Object, &Object) -> Ordering) = &mut func;
let func_ptr = &func_obj as *const &mut (dyn FnMut(&Object, &Object) -> Ordering)
as glib::ffi::gpointer;
ffi::g_list_store_insert_sorted(
self.to_glib_none().0,
item.as_ref().to_glib_none().0,
Some(compare_func_trampoline),
func_ptr,
)
}
}
#[doc(alias = "g_list_store_sort")]
pub fn sort<F: FnMut(&Object, &Object) -> Ordering>(&self, compare_func: F) {
unsafe {
let mut func = compare_func;
let func_obj: &mut (dyn FnMut(&Object, &Object) -> Ordering) = &mut func;
let func_ptr = &func_obj as *const &mut (dyn FnMut(&Object, &Object) -> Ordering)
as glib::ffi::gpointer;
ffi::g_list_store_sort(
self.to_glib_none().0,
Some(compare_func_trampoline),
func_ptr,
)
}
}
#[doc(alias = "g_list_store_splice")]
pub fn splice(&self, position: u32, n_removals: u32, additions: &[impl IsA<glib::Object>]) {
let n_additions = additions.len() as u32;
unsafe {
let additions = additions.as_ptr() as *mut *mut glib::gobject_ffi::GObject;
ffi::g_list_store_splice(
self.to_glib_none().0,
position,
n_removals,
additions,
n_additions,
);
}
}
pub fn extend_from_slice(&self, additions: &[impl IsA<glib::Object>]) {
self.splice(self.n_items(), 0, additions)
}
#[cfg(any(feature = "v2_74", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_74")))]
#[doc(alias = "g_list_store_find_with_equal_func_full")]
#[doc(alias = "g_list_store_find_with_equal_func")]
pub fn find_with_equal_func<F: FnMut(&glib::Object) -> bool>(
&self,
equal_func: F,
) -> Option<u32> {
unsafe extern "C" fn equal_func_trampoline(
a: glib::ffi::gconstpointer,
_b: glib::ffi::gconstpointer,
func: glib::ffi::gpointer,
) -> glib::ffi::gboolean {
let func = func as *mut &mut (dyn FnMut(&Object) -> bool);
let a = from_glib_borrow(a as *mut glib::gobject_ffi::GObject);
(*func)(&a).into_glib()
}
unsafe {
let mut func = equal_func;
let func_obj: &mut (dyn FnMut(&Object) -> bool) = &mut func;
let func_ptr =
&func_obj as *const &mut (dyn FnMut(&Object) -> bool) as glib::ffi::gpointer;
let mut position = std::mem::MaybeUninit::uninit();
let found = bool::from_glib(ffi::g_list_store_find_with_equal_func_full(
self.to_glib_none().0,
std::ptr::null_mut(),
Some(equal_func_trampoline),
func_ptr,
position.as_mut_ptr(),
));
found.then(|| position.assume_init())
}
}
}
impl<'a> std::iter::IntoIterator for &'a ListStore {
type Item = <&'a ListModel as IntoIterator>::Item;
type IntoIter = <&'a ListModel as IntoIterator>::IntoIter;
fn into_iter(self) -> Self::IntoIter {
self.upcast_ref::<ListModel>().into_iter()
}
}
unsafe extern "C" fn compare_func_trampoline(
a: glib::ffi::gconstpointer,
b: glib::ffi::gconstpointer,
func: glib::ffi::gpointer,
) -> i32 {
let func = func as *mut &mut (dyn FnMut(&Object, &Object) -> Ordering);
let a = from_glib_borrow(a as *mut glib::gobject_ffi::GObject);
let b = from_glib_borrow(b as *mut glib::gobject_ffi::GObject);
(*func)(&a, &b).into_glib()
}
impl<A: AsRef<glib::Object>> std::iter::Extend<A> for ListStore {
fn extend<T: IntoIterator<Item = A>>(&mut self, iter: T) {
let additions = iter
.into_iter()
.map(|o| o.as_ref().clone())
.collect::<Vec<_>>();
self.splice(self.n_items(), 0, &additions)
}
}
#[cfg(test)]
mod tests {
use crate::prelude::*;
use crate::ListStore;
#[test]
fn splice() {
let item0 = ListStore::new(ListStore::static_type());
let item1 = ListStore::new(ListStore::static_type());
let list = ListStore::new(ListStore::static_type());
list.splice(0, 0, &[item0.clone(), item1.clone()]);
assert_eq!(list.item(0), Some(item0.upcast()));
assert_eq!(list.item(1), Some(item1.upcast()));
}
#[test]
fn extend() {
let item0 = ListStore::new(ListStore::static_type());
let item1 = ListStore::new(ListStore::static_type());
let mut list = ListStore::new(ListStore::static_type());
list.extend(&[&item0, &item1]);
assert_eq!(list.item(0).as_ref(), Some(item0.upcast_ref()));
assert_eq!(list.item(1).as_ref(), Some(item1.upcast_ref()));
list.extend(&[item0.clone(), item1.clone()]);
assert_eq!(list.item(2).as_ref(), Some(item0.upcast_ref()));
assert_eq!(list.item(3).as_ref(), Some(item1.upcast_ref()));
let list_from_slice = ListStore::new(ListStore::static_type());
list_from_slice.extend_from_slice(&[item0, item1.clone()]);
assert_eq!(list_from_slice.item(1).as_ref(), Some(item1.upcast_ref()));
}
}
