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
use ffi;
use glib::object::{IsA, Cast};
use glib::translate::*;
use glib::{Type, ToValue, Value};
use libc::c_int;
use std::ptr;
use ListStore;
use TreeIter;
use TreeModel;
impl ListStore {
pub fn new(column_types: &[Type]) -> ListStore {
assert_initialized_main_thread!();
unsafe {
let mut column_types = column_types.iter().map(|t| t.to_glib()).collect::<Vec<_>>();
from_glib_full(
ffi::gtk_list_store_newv(column_types.len() as c_int,
column_types.as_mut_ptr()))
}
}
}
pub trait GtkListStoreExtManual: 'static {
fn insert_with_values<I: Into<Option<u32>>>(&self, position: I, columns: &[u32], values: &[&ToValue])
-> TreeIter;
fn reorder(&self, new_order: &[u32]);
fn set(&self, iter: &TreeIter, columns: &[u32], values: &[&ToValue]);
fn set_value(&self, iter: &TreeIter, column: u32, value: &Value);
}
impl<O: IsA<ListStore>> GtkListStoreExtManual for O {
fn insert_with_values<I: Into<Option<u32>>>(
&self,
position: I,
columns: &[u32],
values: &[&ToValue],
) -> TreeIter {
let position = position.into();
unsafe {
assert!(position.unwrap_or(0) <= i32::max_value() as u32);
assert_eq!(columns.len(), values.len());
let n_columns = ffi::gtk_tree_model_get_n_columns(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0) as u32;
assert!(columns.len() <= n_columns as usize);
for (&column, value) in columns.iter().zip(values.iter()) {
assert!(column < n_columns);
let type_ = from_glib(
ffi::gtk_tree_model_get_column_type(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0, column as c_int));
assert!(Value::type_transformable(value.to_value_type(), type_));
}
let mut iter = TreeIter::uninitialized();
ffi::gtk_list_store_insert_with_valuesv(self.as_ref().to_glib_none().0,
iter.to_glib_none_mut().0,
position.map_or(-1, |n| n as c_int),
mut_override(columns.as_ptr() as *const c_int),
values.to_glib_none().0,
columns.len() as c_int);
iter
}
}
fn reorder(&self, new_order: &[u32]) {
unsafe {
let count = ffi::gtk_tree_model_iter_n_children(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0, ptr::null_mut());
let safe_count = count as usize == new_order.len();
debug_assert!(safe_count,
"Incorrect `new_order` slice length. Expected `{}`, found `{}`.",
count,
new_order.len());
let safe_values = new_order.iter()
.max()
.map_or(true, |&max| {
let max = max as i32;
max >= 0 && max < count
});
debug_assert!(safe_values,
"Some `new_order` slice values are out of range. Maximum safe value: \
`{}`. The slice contents: `{:?}`",
count - 1,
new_order);
if safe_count && safe_values {
ffi::gtk_list_store_reorder(self.as_ref().to_glib_none().0,
mut_override(new_order.as_ptr() as *const c_int));
}
}
}
fn set(&self, iter: &TreeIter, columns: &[u32], values: &[&ToValue]) {
unsafe {
assert_eq!(columns.len(), values.len());
let n_columns = ffi::gtk_tree_model_get_n_columns(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0) as u32;
assert!(columns.len() <= n_columns as usize);
for (&column, value) in columns.iter().zip(values.iter()) {
assert!(column < n_columns);
let type_ = from_glib(
ffi::gtk_tree_model_get_column_type(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0, column as c_int));
assert!(Value::type_transformable(value.to_value_type(), type_));
}
ffi::gtk_list_store_set_valuesv(self.as_ref().to_glib_none().0,
mut_override(iter.to_glib_none().0),
mut_override(columns.as_ptr() as *const c_int),
values.to_glib_none().0,
columns.len() as c_int);
}
}
fn set_value(&self, iter: &TreeIter, column: u32, value: &Value) {
unsafe {
let columns = ffi::gtk_tree_model_get_n_columns(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0);
assert!(column < columns as u32);
let type_ = from_glib(
ffi::gtk_tree_model_get_column_type(self.as_ref().upcast_ref::<TreeModel>().to_glib_none().0, column as c_int));
assert!(Value::type_transformable(value.type_(), type_));
ffi::gtk_list_store_set_value(self.as_ref().to_glib_none().0,
mut_override(iter.to_glib_none().0), column as c_int,
mut_override(value.to_glib_none().0));
}
}
}