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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
// Take a look at the license at the top of the repository in the LICENSE file.

use crate::{TreeIter, TreeModel, TreeStore};
use glib::translate::*;
use glib::{Cast, ToValue, Type, Value};
use libc::c_int;

impl TreeStore {
    /// Creates a new tree store as with @n_columns columns each of the types passed
    /// in.  Note that only types derived from standard GObject fundamental types
    /// are supported.
    ///
    /// As an example,
    ///
    /// ```text
    /// gtk_tree_store_new (3, G_TYPE_INT, G_TYPE_STRING, GDK_TYPE_TEXTURE);
    /// ```
    ///
    /// will create a new [`TreeStore`][crate::TreeStore] with three columns, of type
    /// `int`, `gchararray`, and [`gdk::Texture`][crate::gdk::Texture] respectively.
    ///
    /// # Returns
    ///
    /// a new [`TreeStore`][crate::TreeStore]
    #[doc(alias = "gtk_tree_store_newv")]
    #[doc(alias = "gtk_tree_store_new")]
    pub fn new(column_types: &[Type]) -> Self {
        assert_initialized_main_thread!();
        unsafe {
            let mut column_types = column_types
                .iter()
                .map(|t| t.into_glib())
                .collect::<Vec<_>>();
            from_glib_full(ffi::gtk_tree_store_newv(
                column_types.len() as c_int,
                column_types.as_mut_ptr(),
            ))
        }
    }

    /// A variant of gtk_tree_store_insert_with_values() which takes
    /// the columns and values as two arrays, instead of varargs.  This
    /// function is mainly intended for language bindings.
    /// ## `parent`
    /// A valid [`TreeIter`][crate::TreeIter]
    /// ## `position`
    /// position to insert the new row, or -1 for last
    /// ## `columns`
    /// an array of column numbers
    /// ## `values`
    /// an array of GValues
    ///
    /// # Returns
    ///
    ///
    /// ## `iter`
    /// An unset [`TreeIter`][crate::TreeIter] to set the new row
    #[doc(alias = "gtk_tree_store_insert_with_values")]
    #[doc(alias = "gtk_tree_store_insert_with_valuesv")]
    pub fn insert_with_values(
        &self,
        parent: Option<&TreeIter>,
        position: Option<u32>,
        columns_and_values: &[(u32, &dyn ToValue)],
    ) -> TreeIter {
        unsafe {
            assert!(
                position.unwrap_or(0) <= i32::max_value() as u32,
                "can't have more than {} rows",
                i32::max_value()
            );
            let n_columns =
                ffi::gtk_tree_model_get_n_columns(self.upcast_ref::<TreeModel>().to_glib_none().0)
                    as u32;
            assert!(
                columns_and_values.len() <= n_columns as usize,
                "got values for {} columns but only {} columns exist",
                columns_and_values.len(),
                n_columns
            );
            for (column, value) in columns_and_values {
                assert!(
                    *column < n_columns,
                    "got column {} which is higher than the number of columns {}",
                    *column,
                    n_columns
                );
                let type_ = from_glib(ffi::gtk_tree_model_get_column_type(
                    self.upcast_ref::<TreeModel>().to_glib_none().0,
                    *column as c_int,
                ));
                assert!(
                    Value::type_transformable(value.value_type(), type_),
                    "column {} is of type {} but found value of type {}",
                    *column,
                    type_,
                    value.value_type()
                );
            }

            let columns = columns_and_values
                .iter()
                .map(|(c, _)| *c)
                .collect::<Vec<_>>();
            let values = columns_and_values
                .iter()
                .map(|(_, v)| v.to_value())
                .collect::<Vec<_>>();

            let mut iter = TreeIter::uninitialized();
            ffi::gtk_tree_store_insert_with_valuesv(
                self.to_glib_none().0,
                iter.to_glib_none_mut().0,
                mut_override(parent.to_glib_none().0),
                position.map_or(-1, |n| n as c_int),
                mut_override(columns.as_ptr() as *const c_int),
                mut_override(values.as_ptr() as *const glib::gobject_ffi::GValue),
                columns.len() as c_int,
            );
            iter
        }
    }

    /// Reorders the children of @parent in @self to follow the order
    /// indicated by @new_order. Note that this function only works with
    /// unsorted stores.
    /// ## `parent`
    /// A [`TreeIter`][crate::TreeIter]
    /// ## `new_order`
    /// an array of integers mapping the new position of each child
    ///   to its old position before the re-ordering,
    ///   i.e. @new_order`[newpos] = oldpos`.
    #[doc(alias = "gtk_tree_store_reorder")]
    pub fn reorder(&self, parent: &TreeIter, new_order: &[u32]) {
        unsafe {
            let count = ffi::gtk_tree_model_iter_n_children(
                self.upcast_ref::<TreeModel>().to_glib_none().0,
                mut_override(parent.to_glib_none().0),
            );
            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_tree_store_reorder(
                    self.to_glib_none().0,
                    mut_override(parent.to_glib_none().0),
                    mut_override(new_order.as_ptr() as *const c_int),
                );
            }
        }
    }

    /// Sets the value of one or more cells in the row referenced by @iter.
    /// The variable argument list should contain integer column numbers,
    /// each column number followed by the value to be set.
    /// The list is terminated by a -1. For example, to set column 0 with type
    /// `G_TYPE_STRING` to “Foo”, you would write
    /// `gtk_tree_store_set (store, iter, 0, "Foo", -1)`.
    ///
    /// The value will be referenced by the store if it is a `G_TYPE_OBJECT`, and it
    /// will be copied if it is a `G_TYPE_STRING` or `G_TYPE_BOXED`.
    /// ## `iter`
    /// A valid [`TreeIter`][crate::TreeIter] for the row being modified
    #[doc(alias = "gtk_tree_store_set")]
    #[doc(alias = "gtk_tree_store_set_valuesv")]
    #[doc(alias = "gtk_tree_store_set_valist")]
    pub fn set(&self, iter: &TreeIter, columns_and_values: &[(u32, &dyn ToValue)]) {
        unsafe {
            let n_columns =
                ffi::gtk_tree_model_get_n_columns(self.upcast_ref::<TreeModel>().to_glib_none().0)
                    as u32;
            assert!(
                columns_and_values.len() <= n_columns as usize,
                "got values for {} columns but only {} columns exist",
                columns_and_values.len(),
                n_columns
            );
            for (column, value) in columns_and_values {
                assert!(
                    *column < n_columns,
                    "got column {} which is higher than the number of columns {}",
                    *column,
                    n_columns
                );
                let type_ = from_glib(ffi::gtk_tree_model_get_column_type(
                    self.upcast_ref::<TreeModel>().to_glib_none().0,
                    *column as c_int,
                ));
                assert!(
                    Value::type_transformable(value.value_type(), type_),
                    "column {} is of type {} but found value of type {}",
                    *column,
                    type_,
                    value.value_type()
                );
            }

            let columns = columns_and_values
                .iter()
                .map(|(c, _)| *c)
                .collect::<Vec<_>>();
            let values = columns_and_values
                .iter()
                .map(|(_, v)| v.to_value())
                .collect::<Vec<_>>();

            ffi::gtk_tree_store_set_valuesv(
                self.to_glib_none().0,
                mut_override(iter.to_glib_none().0),
                mut_override(columns.as_ptr() as *const c_int),
                mut_override(values.as_ptr() as *const glib::gobject_ffi::GValue),
                columns.len() as c_int,
            );
        }
    }

    /// This function is meant primarily for `GObjects` that inherit from
    /// [`TreeStore`][crate::TreeStore], and should only be used when constructing a new
    /// [`TreeStore`][crate::TreeStore].  It will not function after a row has been added,
    /// or a method on the [`TreeModel`][crate::TreeModel] interface is called.
    /// ## `types`
    /// An array of `GType` types, one for each column
    #[doc(alias = "gtk_tree_store_set_column_types")]
    pub fn set_column_types(&self, types: &[glib::Type]) {
        unsafe {
            let types_ptr: Vec<glib::ffi::GType> = types.iter().map(|t| t.into_glib()).collect();
            ffi::gtk_tree_store_set_column_types(
                self.to_glib_none().0,
                types.len() as i32,
                mut_override(types_ptr.as_ptr()),
            )
        }
    }

    /// Sets the data in the cell specified by @iter and @column.
    /// The type of @value must be convertible to the type of the
    /// column.
    /// ## `iter`
    /// A valid [`TreeIter`][crate::TreeIter] for the row being modified
    /// ## `column`
    /// column number to modify
    /// ## `value`
    /// new value for the cell
    #[doc(alias = "gtk_tree_store_set_value")]
    pub fn set_value(&self, iter: &TreeIter, column: u32, value: &Value) {
        unsafe {
            let columns =
                ffi::gtk_tree_model_get_n_columns(self.upcast_ref::<TreeModel>().to_glib_none().0)
                    as u32;
            assert!(
                column < columns,
                "got column {} which is higher than the number of columns {}",
                column,
                columns
            );

            let type_ = from_glib(ffi::gtk_tree_model_get_column_type(
                self.upcast_ref::<TreeModel>().to_glib_none().0,
                column as c_int,
            ));
            assert!(
                Value::type_transformable(value.type_(), type_),
                "column {} is of type {} but found value of type {}",
                column,
                type_,
                value.type_()
            );

            ffi::gtk_tree_store_set_value(
                self.to_glib_none().0,
                mut_override(iter.to_glib_none().0),
                column as c_int,
                mut_override(value.to_glib_none().0),
            );
        }
    }
}