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
use crate::subclass::prelude::*;
use crate::{TreeDragSource, TreePath};
use glib::translate::*;
use glib::Cast;
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
pub trait TreeDragSourceImpl: ObjectImpl {
fn row_draggable(&self, path: &TreePath) -> bool {
self.parent_row_draggable(path)
}
fn drag_data_get(&self, path: &TreePath) -> gdk::ContentProvider;
fn drag_data_delete(&self, path: &TreePath) -> bool;
}
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
pub trait TreeDragSourceImplExt: ObjectSubclass {
fn parent_row_draggable(&self, _path: &TreePath) -> bool;
fn parent_drag_data_get(&self, path: &TreePath) -> gdk::ContentProvider;
fn parent_drag_data_delete(&self, path: &TreePath) -> bool;
}
impl<T: TreeDragSourceImpl> TreeDragSourceImplExt for T {
fn parent_row_draggable(&self, path: &TreePath) -> bool {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<TreeDragSource>()
as *const ffi::GtkTreeDragSourceIface;
if let Some(func) = (*parent_iface).row_draggable {
from_glib(func(
self.obj()
.unsafe_cast_ref::<TreeDragSource>()
.to_glib_none()
.0,
mut_override(path.to_glib_none().0),
))
} else {
true
}
}
}
fn parent_drag_data_get(&self, path: &TreePath) -> gdk::ContentProvider {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<TreeDragSource>()
as *const ffi::GtkTreeDragSourceIface;
let func = (*parent_iface)
.drag_data_get
.expect("no parent \"drag_data_get\" implementation");
from_glib_full(func(
self.obj()
.unsafe_cast_ref::<TreeDragSource>()
.to_glib_none()
.0,
mut_override(path.to_glib_none().0),
))
}
}
fn parent_drag_data_delete(&self, path: &TreePath) -> bool {
unsafe {
let type_data = Self::type_data();
let parent_iface = type_data.as_ref().parent_interface::<TreeDragSource>()
as *const ffi::GtkTreeDragSourceIface;
let func = (*parent_iface)
.drag_data_delete
.expect("no parent \"drag_data_delete\" implementation");
from_glib(func(
self.obj()
.unsafe_cast_ref::<TreeDragSource>()
.to_glib_none()
.0,
mut_override(path.to_glib_none().0),
))
}
}
}
unsafe impl<T: TreeDragSourceImpl> IsImplementable<T> for TreeDragSource {
fn interface_init(iface: &mut glib::Interface<Self>) {
let iface = iface.as_mut();
assert!(
crate::rt::is_initialized(),
"GTK has to be initialized first"
);
iface.row_draggable = Some(tree_drag_source_row_draggable::<T>);
iface.drag_data_get = Some(tree_drag_source_drag_data_get::<T>);
iface.drag_data_delete = Some(tree_drag_source_drag_data_delete::<T>);
}
}
unsafe extern "C" fn tree_drag_source_row_draggable<T: TreeDragSourceImpl>(
tree_drag_source: *mut ffi::GtkTreeDragSource,
pathptr: *mut ffi::GtkTreePath,
) -> glib::ffi::gboolean {
let instance = &*(tree_drag_source as *mut T::Instance);
let imp = instance.imp();
let path: Borrowed<TreePath> = from_glib_borrow(pathptr);
imp.row_draggable(&path).into_glib()
}
unsafe extern "C" fn tree_drag_source_drag_data_get<T: TreeDragSourceImpl>(
tree_drag_source: *mut ffi::GtkTreeDragSource,
pathptr: *mut ffi::GtkTreePath,
) -> *mut gdk::ffi::GdkContentProvider {
let instance = &*(tree_drag_source as *mut T::Instance);
let imp = instance.imp();
let path: Borrowed<TreePath> = from_glib_borrow(pathptr);
imp.drag_data_get(&path).to_glib_full()
}
unsafe extern "C" fn tree_drag_source_drag_data_delete<T: TreeDragSourceImpl>(
tree_drag_source: *mut ffi::GtkTreeDragSource,
pathptr: *mut ffi::GtkTreePath,
) -> glib::ffi::gboolean {
let instance = &*(tree_drag_source as *mut T::Instance);
let imp = instance.imp();
let path: Borrowed<TreePath> = from_glib_borrow(pathptr);
imp.drag_data_delete(&path).into_glib()
}