gtk/auto/
tree_sortable.rs1use glib::object::Cast;
6use glib::object::IsA;
7use glib::signal::connect_raw;
8use glib::signal::SignalHandlerId;
9use glib::translate::*;
10use glib_sys;
11use gtk_sys;
12use std::boxed::Box as Box_;
13use std::fmt;
14use std::mem::transmute;
15use TreeModel;
16
17glib_wrapper! {
18 pub struct TreeSortable(Interface<gtk_sys::GtkTreeSortable>) @requires TreeModel;
19
20 match fn {
21 get_type => || gtk_sys::gtk_tree_sortable_get_type(),
22 }
23}
24
25pub const NONE_TREE_SORTABLE: Option<&TreeSortable> = None;
26
27pub trait TreeSortableExt: 'static {
28 fn has_default_sort_func(&self) -> bool;
29
30 fn sort_column_changed(&self);
31
32 fn connect_sort_column_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
33}
34
35impl<O: IsA<TreeSortable>> TreeSortableExt for O {
36 fn has_default_sort_func(&self) -> bool {
37 unsafe {
38 from_glib(gtk_sys::gtk_tree_sortable_has_default_sort_func(
39 self.as_ref().to_glib_none().0,
40 ))
41 }
42 }
43
44 fn sort_column_changed(&self) {
45 unsafe {
46 gtk_sys::gtk_tree_sortable_sort_column_changed(self.as_ref().to_glib_none().0);
47 }
48 }
49
50 fn connect_sort_column_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
51 unsafe extern "C" fn sort_column_changed_trampoline<P, F: Fn(&P) + 'static>(
52 this: *mut gtk_sys::GtkTreeSortable,
53 f: glib_sys::gpointer,
54 ) where
55 P: IsA<TreeSortable>,
56 {
57 let f: &F = &*(f as *const F);
58 f(&TreeSortable::from_glib_borrow(this).unsafe_cast())
59 }
60 unsafe {
61 let f: Box_<F> = Box_::new(f);
62 connect_raw(
63 self.as_ptr() as *mut _,
64 b"sort-column-changed\0".as_ptr() as *const _,
65 Some(transmute(
66 sort_column_changed_trampoline::<Self, F> as usize,
67 )),
68 Box_::into_raw(f),
69 )
70 }
71 }
72}
73
74impl fmt::Display for TreeSortable {
75 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
76 write!(f, "TreeSortable")
77 }
78}