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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
// This file was generated by gir (https://github.com/gtk-rs/gir)
// from
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::{CompletionActivation, CompletionContext, CompletionInfo, CompletionProposal};
use glib::{prelude::*, translate::*};
use std::fmt;

glib::wrapper! {
    ///
    ///
    /// # Implements
    ///
    /// [`CompletionProviderExt`][trait@crate::prelude::CompletionProviderExt]
    #[doc(alias = "GtkSourceCompletionProvider")]
    pub struct CompletionProvider(Interface<ffi::GtkSourceCompletionProvider, ffi::GtkSourceCompletionProviderIface>);

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

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

mod sealed {
    pub trait Sealed {}
    impl<T: super::IsA<super::CompletionProvider>> Sealed for T {}
}

/// Trait containing all [`struct@CompletionProvider`] methods.
///
/// # Implementors
///
/// [`CompletionProvider`][struct@crate::CompletionProvider], [`CompletionWords`][struct@crate::CompletionWords]
pub trait CompletionProviderExt: IsA<CompletionProvider> + sealed::Sealed + 'static {
    /// Activate `proposal` at `iter`. When this functions returns [`false`], the default
    /// activation of `proposal` will take place which replaces the word at `iter`
    /// with the text of `proposal` (see [`CompletionProposalExt::text()`][crate::prelude::CompletionProposalExt::text()]).
    ///
    /// Here is how the default activation selects the boundaries of the word to
    /// replace. The end of the word is `iter`. For the start of the word, it depends
    /// on whether a start iter is defined for `proposal` (see
    /// [`start_iter()`][Self::start_iter()]). If a start iter is defined,
    /// the start of the word is the start iter. Else, the word (as long as possible)
    /// will contain only alphanumerical and the "_" characters.
    /// ## `proposal`
    /// a [`CompletionProposal`][crate::CompletionProposal].
    /// ## `iter`
    /// a [`gtk::TextIter`][crate::gtk::TextIter].
    ///
    /// # Returns
    ///
    /// [`true`] to indicate that the proposal activation has been handled,
    ///  [`false`] otherwise.
    #[doc(alias = "gtk_source_completion_provider_activate_proposal")]
    fn activate_proposal(
        &self,
        proposal: &impl IsA<CompletionProposal>,
        iter: &mut gtk::TextIter,
    ) -> bool {
        unsafe {
            from_glib(ffi::gtk_source_completion_provider_activate_proposal(
                self.as_ref().to_glib_none().0,
                proposal.as_ref().to_glib_none().0,
                iter.to_glib_none_mut().0,
            ))
        }
    }

    /// Get with what kind of activation the provider should be activated.
    ///
    /// # Returns
    ///
    /// a combination of [`CompletionActivation`][crate::CompletionActivation].
    #[doc(alias = "gtk_source_completion_provider_get_activation")]
    #[doc(alias = "get_activation")]
    fn activation(&self) -> CompletionActivation {
        unsafe {
            from_glib(ffi::gtk_source_completion_provider_get_activation(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the [`gio::Icon`][crate::gio::Icon] for the icon of `self`.
    ///
    /// # Returns
    ///
    /// The icon to be used for the provider,
    ///  or [`None`] if the provider does not have a special icon.
    #[doc(alias = "gtk_source_completion_provider_get_gicon")]
    #[doc(alias = "get_gicon")]
    fn gicon(&self) -> Option<gio::Icon> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_provider_get_gicon(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Get the [`gdk_pixbuf::Pixbuf`][crate::gdk_pixbuf::Pixbuf] for the icon of the `self`.
    ///
    /// # Returns
    ///
    /// The icon to be used for the provider,
    ///  or [`None`] if the provider does not have a special icon.
    #[doc(alias = "gtk_source_completion_provider_get_icon")]
    #[doc(alias = "get_icon")]
    fn icon(&self) -> Option<gdk_pixbuf::Pixbuf> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_provider_get_icon(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the icon name of `self`.
    ///
    /// # Returns
    ///
    /// The icon name to be used for the provider,
    ///  or [`None`] if the provider does not have a special icon.
    #[doc(alias = "gtk_source_completion_provider_get_icon_name")]
    #[doc(alias = "get_icon_name")]
    fn icon_name(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_provider_get_icon_name(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Get a customized info widget to show extra information of a proposal.
    /// This allows for customized widgets on a proposal basis, although in general
    /// providers will have the same custom widget for all their proposals and
    /// `proposal` can be ignored. The implementation of this function is optional.
    ///
    /// If this function is not implemented, the default widget is a `GtkLabel`. The
    /// return value of [`CompletionProposalExt::info()`][crate::prelude::CompletionProposalExt::info()] is used as the
    /// content of the `GtkLabel`.
    ///
    /// `<note>`
    ///  `<para>`
    ///  If implemented, [`update_info()`][Self::update_info()]
    ///  `<emphasis>`must`</emphasis>` also be implemented.
    ///  `</para>`
    /// `</note>`
    /// ## `proposal`
    /// a currently selected [`CompletionProposal`][crate::CompletionProposal].
    ///
    /// # Returns
    ///
    /// a custom [`gtk::Widget`][crate::gtk::Widget] to show extra
    /// information about `proposal`, or [`None`] if the provider does not have a special
    /// info widget.
    #[doc(alias = "gtk_source_completion_provider_get_info_widget")]
    #[doc(alias = "get_info_widget")]
    fn info_widget(&self, proposal: &impl IsA<CompletionProposal>) -> Option<gtk::Widget> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_provider_get_info_widget(
                self.as_ref().to_glib_none().0,
                proposal.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Get the delay in milliseconds before starting interactive completion for
    /// this provider. A value of -1 indicates to use the default value as set
    /// by the [`auto-complete-delay`][struct@crate::Completion#auto-complete-delay] property.
    ///
    /// # Returns
    ///
    /// the interactive delay in milliseconds.
    #[doc(alias = "gtk_source_completion_provider_get_interactive_delay")]
    #[doc(alias = "get_interactive_delay")]
    fn interactive_delay(&self) -> i32 {
        unsafe {
            ffi::gtk_source_completion_provider_get_interactive_delay(
                self.as_ref().to_glib_none().0,
            )
        }
    }

    /// Get the name of the provider. This should be a translatable name for
    /// display to the user. For example: _("Document word completion provider"). The
    /// returned string must be freed with `g_free()`.
    ///
    /// # Returns
    ///
    /// a new string containing the name of the provider.
    #[doc(alias = "gtk_source_completion_provider_get_name")]
    #[doc(alias = "get_name")]
    fn name(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_full(ffi::gtk_source_completion_provider_get_name(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Get the provider priority. The priority determines the order in which
    /// proposals appear in the completion popup. Higher priorities are sorted
    /// before lower priorities. The default priority is 0.
    ///
    /// # Returns
    ///
    /// the provider priority.
    #[doc(alias = "gtk_source_completion_provider_get_priority")]
    #[doc(alias = "get_priority")]
    fn priority(&self) -> i32 {
        unsafe { ffi::gtk_source_completion_provider_get_priority(self.as_ref().to_glib_none().0) }
    }

    /// Get the [`gtk::TextIter`][crate::gtk::TextIter] at which the completion for `proposal` starts. When
    /// implemented, this information is used to position the completion window
    /// accordingly when a proposal is selected in the completion window. The
    /// `proposal` text inside the completion window is aligned on `iter`.
    ///
    /// If this function is not implemented, the word boundary is taken to position
    /// the completion window. See [`activate_proposal()`][Self::activate_proposal()]
    /// for an explanation on the word boundaries.
    ///
    /// When the `proposal` is activated, the default handler uses `iter` as the start
    /// of the word to replace. See
    /// [`activate_proposal()`][Self::activate_proposal()] for more information.
    /// ## `context`
    /// a [`CompletionContext`][crate::CompletionContext].
    /// ## `proposal`
    /// a [`CompletionProposal`][crate::CompletionProposal].
    ///
    /// # Returns
    ///
    /// [`true`] if `iter` was set for `proposal`, [`false`] otherwise.
    ///
    /// ## `iter`
    /// a [`gtk::TextIter`][crate::gtk::TextIter].
    #[doc(alias = "gtk_source_completion_provider_get_start_iter")]
    #[doc(alias = "get_start_iter")]
    fn start_iter(
        &self,
        context: &impl IsA<CompletionContext>,
        proposal: &impl IsA<CompletionProposal>,
    ) -> Option<gtk::TextIter> {
        unsafe {
            let mut iter = gtk::TextIter::uninitialized();
            let ret = from_glib(ffi::gtk_source_completion_provider_get_start_iter(
                self.as_ref().to_glib_none().0,
                context.as_ref().to_glib_none().0,
                proposal.as_ref().to_glib_none().0,
                iter.to_glib_none_mut().0,
            ));
            if ret {
                Some(iter)
            } else {
                None
            }
        }
    }

    #[doc(alias = "gtk_source_completion_provider_match")]
    #[doc(alias = "match")]
    fn match_(&self, context: &impl IsA<CompletionContext>) -> bool {
        unsafe {
            from_glib(ffi::gtk_source_completion_provider_match(
                self.as_ref().to_glib_none().0,
                context.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Populate `context` with proposals from `self` added with the
    /// [`CompletionContextExt::add_proposals()`][crate::prelude::CompletionContextExt::add_proposals()] function.
    /// ## `context`
    /// a [`CompletionContext`][crate::CompletionContext].
    #[doc(alias = "gtk_source_completion_provider_populate")]
    fn populate(&self, context: &impl IsA<CompletionContext>) {
        unsafe {
            ffi::gtk_source_completion_provider_populate(
                self.as_ref().to_glib_none().0,
                context.as_ref().to_glib_none().0,
            );
        }
    }

    /// Update extra information shown in `info` for `proposal`.
    ///
    /// `<note>`
    ///  `<para>`
    ///  This function `<emphasis>`must`</emphasis>` be implemented when
    ///  [`info_widget()`][Self::info_widget()] is implemented.
    ///  `</para>`
    /// `</note>`
    /// ## `proposal`
    /// a [`CompletionProposal`][crate::CompletionProposal].
    /// ## `info`
    /// a [`CompletionInfo`][crate::CompletionInfo].
    #[doc(alias = "gtk_source_completion_provider_update_info")]
    fn update_info(
        &self,
        proposal: &impl IsA<CompletionProposal>,
        info: &impl IsA<CompletionInfo>,
    ) {
        unsafe {
            ffi::gtk_source_completion_provider_update_info(
                self.as_ref().to_glib_none().0,
                proposal.as_ref().to_glib_none().0,
                info.as_ref().to_glib_none().0,
            );
        }
    }
}

impl<O: IsA<CompletionProvider>> CompletionProviderExt for O {}

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