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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
// 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 glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::{boxed::Box as Box_, fmt, mem::transmute};

glib::wrapper! {
    /// A [`MapListModel`][crate::MapListModel] maps the items in a list model to different items.
    ///
    /// [`MapListModel`][crate::MapListModel] uses a `callback::Gtk::MapListModelMapFunc.
    ///
    /// Example: Create a list of `GtkEventControllers`
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static gpointer
    /// map_to_controllers (gpointer widget,
    ///                     gpointer data)
    /// {
    ///   gpointer result = gtk_widget_observe_controllers (widget);
    ///   g_object_unref (widget);
    ///   return result;
    /// }
    ///
    /// widgets = gtk_widget_observe_children (widget);
    ///
    /// controllers = gtk_map_list_model_new (widgets,
    ///                                       map_to_controllers,
    ///                                       NULL, NULL);
    ///
    /// model = gtk_flatten_list_model_new (GTK_TYPE_EVENT_CONTROLLER,
    ///                                     controllers);
    /// ```
    ///
    /// [`MapListModel`][crate::MapListModel] will attempt to discard the mapped objects as soon as
    /// they are no longer needed and recreate them if necessary.
    ///
    /// ## Properties
    ///
    ///
    /// #### `has-map`
    ///  If a map is set for this model
    ///
    /// Readable
    ///
    ///
    /// #### `item-type`
    ///  The type of items. See [`ListModelExtManual::item_type()`][crate::gio::prelude::ListModelExtManual::item_type()].
    ///
    /// Readable
    ///
    ///
    /// #### `model`
    ///  The model being mapped.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `n-items`
    ///  The number of items. See [`ListModelExtManual::n_items()`][crate::gio::prelude::ListModelExtManual::n_items()].
    ///
    /// Readable
    ///
    /// # Implements
    ///
    /// [`trait@glib::ObjectExt`], [`trait@gio::prelude::ListModelExt`]
    #[doc(alias = "GtkMapListModel")]
    pub struct MapListModel(Object<ffi::GtkMapListModel, ffi::GtkMapListModelClass>) @implements gio::ListModel;

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

impl MapListModel {
    /// Creates a new [`MapListModel`][crate::MapListModel] for the given arguments.
    /// ## `model`
    /// The model to map
    /// ## `map_func`
    /// map function
    ///
    /// # Returns
    ///
    /// a new [`MapListModel`][crate::MapListModel]
    #[doc(alias = "gtk_map_list_model_new")]
    pub fn new<P: Fn(&glib::Object) -> glib::Object + 'static>(
        model: Option<impl IsA<gio::ListModel>>,
        map_func: P,
    ) -> MapListModel {
        assert_initialized_main_thread!();
        let map_func_data: Box_<P> = Box_::new(map_func);
        unsafe extern "C" fn map_func_func<P: Fn(&glib::Object) -> glib::Object + 'static>(
            item: *mut glib::gobject_ffi::GObject,
            user_data: glib::ffi::gpointer,
        ) -> *mut glib::gobject_ffi::GObject {
            let item = from_glib_full(item);
            let callback: &P = &*(user_data as *mut _);
            (*callback)(&item).to_glib_full()
        }
        let map_func = Some(map_func_func::<P> as _);
        unsafe extern "C" fn user_destroy_func<P: Fn(&glib::Object) -> glib::Object + 'static>(
            data: glib::ffi::gpointer,
        ) {
            let _callback: Box_<P> = Box_::from_raw(data as *mut _);
        }
        let destroy_call3 = Some(user_destroy_func::<P> as _);
        let super_callback0: Box_<P> = map_func_data;
        unsafe {
            from_glib_full(ffi::gtk_map_list_model_new(
                model.map(|p| p.upcast()).into_glib_ptr(),
                map_func,
                Box_::into_raw(super_callback0) as *mut _,
                destroy_call3,
            ))
        }
    }

    /// Gets the model that is currently being mapped or [`None`] if none.
    ///
    /// # Returns
    ///
    /// The model that gets mapped
    #[doc(alias = "gtk_map_list_model_get_model")]
    #[doc(alias = "get_model")]
    pub fn model(&self) -> Option<gio::ListModel> {
        unsafe { from_glib_none(ffi::gtk_map_list_model_get_model(self.to_glib_none().0)) }
    }

    /// Checks if a map function is currently set on @self.
    ///
    /// # Returns
    ///
    /// [`true`] if a map function is set
    #[doc(alias = "gtk_map_list_model_has_map")]
    pub fn has_map(&self) -> bool {
        unsafe { from_glib(ffi::gtk_map_list_model_has_map(self.to_glib_none().0)) }
    }

    /// Sets the function used to map items.
    ///
    /// The function will be called whenever an item needs to be mapped
    /// and must return the item to use for the given input item.
    ///
    /// Note that [`MapListModel`][crate::MapListModel] may call this function multiple times
    /// on the same item, because it may delete items it doesn't need anymore.
    ///
    /// GTK makes no effort to ensure that @map_func conforms to the item type
    /// of @self. It assumes that the caller knows what they are doing and the map
    /// function returns items of the appropriate type.
    /// ## `map_func`
    /// map function
    #[doc(alias = "gtk_map_list_model_set_map_func")]
    pub fn set_map_func<P: Fn(&glib::Object) -> glib::Object + 'static>(&self, map_func: P) {
        let map_func_data: Box_<P> = Box_::new(map_func);
        unsafe extern "C" fn map_func_func<P: Fn(&glib::Object) -> glib::Object + 'static>(
            item: *mut glib::gobject_ffi::GObject,
            user_data: glib::ffi::gpointer,
        ) -> *mut glib::gobject_ffi::GObject {
            let item = from_glib_full(item);
            let callback: &P = &*(user_data as *mut _);
            (*callback)(&item).to_glib_full()
        }
        let map_func = Some(map_func_func::<P> as _);
        unsafe extern "C" fn user_destroy_func<P: Fn(&glib::Object) -> glib::Object + 'static>(
            data: glib::ffi::gpointer,
        ) {
            let _callback: Box_<P> = Box_::from_raw(data as *mut _);
        }
        let destroy_call3 = Some(user_destroy_func::<P> as _);
        let super_callback0: Box_<P> = map_func_data;
        unsafe {
            ffi::gtk_map_list_model_set_map_func(
                self.to_glib_none().0,
                map_func,
                Box_::into_raw(super_callback0) as *mut _,
                destroy_call3,
            );
        }
    }

    /// Sets the model to be mapped.
    ///
    /// GTK makes no effort to ensure that @model conforms to the item type
    /// expected by the map function. It assumes that the caller knows what
    /// they are doing and have set up an appropriate map function.
    /// ## `model`
    /// The model to be mapped
    #[doc(alias = "gtk_map_list_model_set_model")]
    pub fn set_model(&self, model: Option<&impl IsA<gio::ListModel>>) {
        unsafe {
            ffi::gtk_map_list_model_set_model(
                self.to_glib_none().0,
                model.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    #[doc(alias = "has-map")]
    pub fn connect_has_map_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_has_map_trampoline<F: Fn(&MapListModel) + 'static>(
            this: *mut ffi::GtkMapListModel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::has-map\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_has_map_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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