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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::Object;
use crate::RelationType;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// An AtkRelation describes a relation between an object and one or
    /// more other objects. The actual relations that an object has with
    /// other objects are defined as an AtkRelationSet, which is a set of
    /// AtkRelations.
    ///
    /// # Implements
    ///
    /// [`RelationExt`][trait@crate::prelude::RelationExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "AtkRelation")]
    pub struct Relation(Object<ffi::AtkRelation, ffi::AtkRelationClass>);

    match fn {
        type_ => || ffi::atk_relation_get_type(),
    }
}

impl Relation {
    pub const NONE: Option<&'static Relation> = None;

    /// Create a new relation for the specified key and the specified list
    /// of targets. See also [`AtkObjectExt::add_relationship()`][crate::prelude::AtkObjectExt::add_relationship()].
    /// ## `targets`
    /// an array of pointers to
    ///  `AtkObjects`
    /// ## `relationship`
    /// an [`RelationType`][crate::RelationType] with which to create the new
    ///  [`Relation`][crate::Relation]
    ///
    /// # Returns
    ///
    /// a pointer to a new [`Relation`][crate::Relation]
    #[doc(alias = "atk_relation_new")]
    pub fn new(targets: &[Object], relationship: RelationType) -> Relation {
        assert_initialized_main_thread!();
        let n_targets = targets.len() as i32;
        unsafe {
            from_glib_full(ffi::atk_relation_new(
                targets.to_glib_none().0,
                n_targets,
                relationship.into_glib(),
            ))
        }
    }
}

/// Trait containing all [`struct@Relation`] methods.
///
/// # Implementors
///
/// [`Relation`][struct@crate::Relation]
pub trait RelationExt: 'static {
    /// Adds the specified AtkObject to the target for the relation, if it is
    /// not already present. See also [`AtkObjectExt::add_relationship()`][crate::prelude::AtkObjectExt::add_relationship()].
    /// ## `target`
    /// an [`Object`][crate::Object]
    #[doc(alias = "atk_relation_add_target")]
    fn add_target(&self, target: &impl IsA<Object>);

    /// Gets the type of `self`
    ///
    /// # Returns
    ///
    /// the type of `self`
    #[doc(alias = "atk_relation_get_relation_type")]
    #[doc(alias = "get_relation_type")]
    fn relation_type(&self) -> RelationType;

    /// Gets the target list of `self`
    ///
    /// # Returns
    ///
    /// the target list of `self`
    #[doc(alias = "atk_relation_get_target")]
    #[doc(alias = "get_target")]
    fn target(&self) -> Vec<Object>;

    /// Remove the specified AtkObject from the target for the relation.
    /// ## `target`
    /// an [`Object`][crate::Object]
    ///
    /// # Returns
    ///
    /// TRUE if the removal is successful.
    #[doc(alias = "atk_relation_remove_target")]
    fn remove_target(&self, target: &impl IsA<Object>) -> bool;

    #[doc(alias = "relation-type")]
    fn set_relation_type(&self, relation_type: RelationType);

    fn set_target(&self, target: Option<&glib::ValueArray>);

    #[doc(alias = "relation-type")]
    fn connect_relation_type_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "target")]
    fn connect_target_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<Relation>> RelationExt for O {
    fn add_target(&self, target: &impl IsA<Object>) {
        unsafe {
            ffi::atk_relation_add_target(
                self.as_ref().to_glib_none().0,
                target.as_ref().to_glib_none().0,
            );
        }
    }

    fn relation_type(&self) -> RelationType {
        unsafe {
            from_glib(ffi::atk_relation_get_relation_type(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn target(&self) -> Vec<Object> {
        unsafe {
            FromGlibPtrContainer::from_glib_none(ffi::atk_relation_get_target(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn remove_target(&self, target: &impl IsA<Object>) -> bool {
        unsafe {
            from_glib(ffi::atk_relation_remove_target(
                self.as_ref().to_glib_none().0,
                target.as_ref().to_glib_none().0,
            ))
        }
    }

    fn set_relation_type(&self, relation_type: RelationType) {
        glib::ObjectExt::set_property(self.as_ref(), "relation-type", &relation_type)
    }

    fn set_target(&self, target: Option<&glib::ValueArray>) {
        glib::ObjectExt::set_property(self.as_ref(), "target", &target)
    }

    fn connect_relation_type_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_relation_type_trampoline<
            P: IsA<Relation>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::AtkRelation,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Relation::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::relation-type\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_relation_type_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_target_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_target_trampoline<P: IsA<Relation>, F: Fn(&P) + 'static>(
            this: *mut ffi::AtkRelation,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Relation::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::target\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_target_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for Relation {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("Relation")
    }
}