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
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
// Take a look at the license at the top of the repository in the LICENSE file.

use crate::prelude::*;
use crate::{AboutDialog, Window};
use glib::translate::*;
use glib::{IsA, Quark, Slice, ToValue};
use once_cell::sync::Lazy;
use std::boxed::Box as Box_;
use std::mem;
use std::pin::Pin;
use std::ptr;

/// Determines whether a given keyval and modifier mask constitute
/// a valid keyboard accelerator.
///
/// For example, the `GDK_KEY_a` keyval plus [`gdk::ModifierType::CONTROL_MASK`][crate::gdk::ModifierType::CONTROL_MASK] mark is valid,
/// and matches the “Ctrl+a” accelerator. But, you can't, for instance, use
/// the `GDK_KEY_Control_L` keyval as an accelerator.
/// ## `keyval`
/// a GDK keyval
/// ## `modifiers`
/// modifier mask
///
/// # Returns
///
/// [`true`] if the accelerator is valid
#[doc(alias = "gtk_accelerator_valid")]
pub fn accelerator_valid(keyval: gdk::Key, modifiers: gdk::ModifierType) -> bool {
    assert_initialized_main_thread!();
    unsafe {
        from_glib(ffi::gtk_accelerator_valid(
            keyval.into_glib(),
            modifiers.into_glib(),
        ))
    }
}

/// Converts an accelerator keyval and modifier mask into a string
/// which can be used to represent the accelerator to the user.
/// ## `accelerator_key`
/// accelerator keyval
/// ## `accelerator_mods`
/// accelerator modifier mask
///
/// # Returns
///
/// a newly-allocated string representing the accelerator
#[doc(alias = "gtk_accelerator_get_label")]
pub fn accelerator_get_label(
    accelerator_key: gdk::Key,
    accelerator_mods: gdk::ModifierType,
) -> glib::GString {
    assert_initialized_main_thread!();
    unsafe {
        from_glib_full(ffi::gtk_accelerator_get_label(
            accelerator_key.into_glib(),
            accelerator_mods.into_glib(),
        ))
    }
}

/// Converts an accelerator keyval and modifier mask
/// into a string that can be displayed to the user.
///
/// The string may be translated.
///
/// This function is similar to [`accelerator_get_label()`][crate::accelerator_get_label()],
/// but handling keycodes. This is only useful for system-level
/// components, applications should use [`accelerator_get_label()`][crate::accelerator_get_label()]
/// instead.
/// ## `display`
/// a [`gdk::Display`][crate::gdk::Display] or [`None`] to use the default display
/// ## `accelerator_key`
/// accelerator keyval
/// ## `keycode`
/// accelerator keycode
/// ## `accelerator_mods`
/// accelerator modifier mask
///
/// # Returns
///
/// a newly-allocated string representing the accelerator
#[doc(alias = "gtk_accelerator_get_label_with_keycode")]
pub fn accelerator_get_label_with_keycode(
    display: Option<&impl IsA<gdk::Display>>,
    accelerator_key: gdk::Key,
    keycode: u32,
    accelerator_mods: gdk::ModifierType,
) -> glib::GString {
    assert_initialized_main_thread!();
    unsafe {
        from_glib_full(ffi::gtk_accelerator_get_label_with_keycode(
            display.map(|p| p.as_ref()).to_glib_none().0,
            accelerator_key.into_glib(),
            keycode,
            accelerator_mods.into_glib(),
        ))
    }
}

/// Converts an accelerator keyval and modifier mask into a string
/// parseable by gtk_accelerator_parse().
///
/// For example, if you pass in `GDK_KEY_q` and [`gdk::ModifierType::CONTROL_MASK`][crate::gdk::ModifierType::CONTROL_MASK],
/// this function returns `<Control>q`.
///
/// If you need to display accelerators in the user interface,
/// see [`accelerator_get_label()`][crate::accelerator_get_label()].
/// ## `accelerator_key`
/// accelerator keyval
/// ## `accelerator_mods`
/// accelerator modifier mask
///
/// # Returns
///
/// a newly-allocated accelerator name
#[doc(alias = "gtk_accelerator_name")]
pub fn accelerator_name(
    accelerator_key: gdk::Key,
    accelerator_mods: gdk::ModifierType,
) -> glib::GString {
    assert_initialized_main_thread!();
    unsafe {
        from_glib_full(ffi::gtk_accelerator_name(
            accelerator_key.into_glib(),
            accelerator_mods.into_glib(),
        ))
    }
}

/// Converts an accelerator keyval and modifier mask
/// into a string parseable by gtk_accelerator_parse_with_keycode().
///
/// This is similar to [`accelerator_name()`][crate::accelerator_name()] but handling keycodes.
/// This is only useful for system-level components, applications
/// should use [`accelerator_name()`][crate::accelerator_name()] instead.
/// ## `display`
/// a [`gdk::Display`][crate::gdk::Display] or [`None`] to use the default display
/// ## `accelerator_key`
/// accelerator keyval
/// ## `keycode`
/// accelerator keycode
/// ## `accelerator_mods`
/// accelerator modifier mask
///
/// # Returns
///
/// a newly allocated accelerator name.
#[doc(alias = "gtk_accelerator_name_with_keycode")]
pub fn accelerator_name_with_keycode(
    display: Option<&impl IsA<gdk::Display>>,
    accelerator_key: gdk::Key,
    keycode: u32,
    accelerator_mods: gdk::ModifierType,
) -> glib::GString {
    assert_initialized_main_thread!();
    unsafe {
        from_glib_full(ffi::gtk_accelerator_name_with_keycode(
            display.map(|p| p.as_ref()).to_glib_none().0,
            accelerator_key.into_glib(),
            keycode,
            accelerator_mods.into_glib(),
        ))
    }
}

/// Parses a string representing an accelerator.
///
/// The format looks like “`<Control>a`” or “`<Shift><Alt>F1`”.
///
/// The parser is fairly liberal and allows lower or upper case, and also
/// abbreviations such as “`<Ctl>`” and “`<Ctrl>`”.
///
/// Key names are parsed using `keyval_from_name()`. For character keys
/// the name is not the symbol, but the lowercase name, e.g. one would use
/// “`<Ctrl>minus`” instead of “`<Ctrl>-`”.
///
/// Modifiers are enclosed in angular brackets `<>`, and match the
/// [`gdk::ModifierType`][crate::gdk::ModifierType] mask:
///
/// - `<Shift>` for `GDK_SHIFT_MASK`
/// - `<Ctrl>` for `GDK_CONTROL_MASK`
/// - `<Alt>` for `GDK_ALT_MASK`
/// - `<Meta>` for `GDK_META_MASK`
/// - `<Super>` for `GDK_SUPER_MASK`
/// - `<Hyper>` for `GDK_HYPER_MASK`
///
/// If the parse operation fails, @accelerator_key and @accelerator_mods will
/// be set to 0 (zero).
/// ## `accelerator`
/// string representing an accelerator
///
/// # Returns
///
///
/// ## `accelerator_key`
/// return location for accelerator keyval
///
/// ## `accelerator_mods`
/// return location for accelerator
///   modifier mask
#[doc(alias = "gtk_accelerator_parse")]
pub fn accelerator_parse(accelerator: &str) -> Option<(gdk::Key, gdk::ModifierType)> {
    assert_initialized_main_thread!();
    unsafe {
        let mut accelerator_key = mem::MaybeUninit::uninit();
        let mut accelerator_mods = mem::MaybeUninit::uninit();
        let ret = from_glib(ffi::gtk_accelerator_parse(
            accelerator.to_glib_none().0,
            accelerator_key.as_mut_ptr(),
            accelerator_mods.as_mut_ptr(),
        ));
        if ret {
            Some((
                gdk::Key::from_glib(accelerator_key.assume_init()),
                from_glib(accelerator_mods.assume_init()),
            ))
        } else {
            None
        }
    }
}

/// Parses a string representing an accelerator.
///
/// This is similar to [`accelerator_parse()`][crate::accelerator_parse()] but handles keycodes as
/// well. This is only useful for system-level components, applications should
/// use [`accelerator_parse()`][crate::accelerator_parse()] instead.
///
/// If @accelerator_codes is given and the result stored in it is non-[`None`],
/// the result must be freed with g_free().
///
/// If a keycode is present in the accelerator and no @accelerator_codes
/// is given, the parse will fail.
///
/// If the parse fails, @accelerator_key, @accelerator_mods and
/// @accelerator_codes will be set to 0 (zero).
/// ## `accelerator`
/// string representing an accelerator
/// ## `display`
/// the [`gdk::Display`][crate::gdk::Display] to look up @accelerator_codes in
///
/// # Returns
///
/// [`true`] if parsing succeeded
///
/// ## `accelerator_key`
/// return location for accelerator keyval
///
/// ## `accelerator_codes`
///
///   return location for accelerator keycodes
///
/// ## `accelerator_mods`
/// return location for accelerator
///   modifier mask
#[doc(alias = "gtk_accelerator_parse_with_keycode")]
pub fn accelerator_parse_with_keycode(
    accelerator: &str,
    display: Option<&impl IsA<gdk::Display>>,
) -> Option<(gdk::Key, Slice<u32>, gdk::ModifierType)> {
    assert_initialized_main_thread!();
    unsafe {
        let mut accelerator_key = std::mem::MaybeUninit::uninit();
        let mut accelerator_codes_ptr = ptr::null_mut();
        let mut accelerator_mods = std::mem::MaybeUninit::uninit();
        let success = from_glib(ffi::gtk_accelerator_parse_with_keycode(
            accelerator.to_glib_none().0,
            display.map(|p| p.as_ref()).to_glib_none().0,
            accelerator_key.as_mut_ptr(),
            &mut accelerator_codes_ptr,
            accelerator_mods.as_mut_ptr(),
        ));
        if success {
            let mut len = 0;
            if !accelerator_codes_ptr.is_null() {
                while ptr::read(accelerator_codes_ptr.add(len)) != 0 {
                    len += 1;
                }
            }
            let accelerator_codes = Slice::from_glib_full_num(accelerator_codes_ptr, len);
            Some((
                gdk::Key::from_glib(accelerator_key.assume_init()),
                accelerator_codes,
                from_glib(accelerator_mods.assume_init()),
            ))
        } else {
            None
        }
    }
}

/// This function launches the default application for showing
/// a given uri.
///
/// The @callback will be called when the launch is completed.
/// It should call gtk_show_uri_full_finish() to obtain the result.
///
/// This is the recommended call to be used as it passes information
/// necessary for sandbox helpers to parent their dialogs properly.
///
/// # Deprecated since 4.10
///
/// Use [`FileLauncher::launch()`][crate::FileLauncher::launch()] instead
/// ## `parent`
/// parent window
/// ## `uri`
/// the uri to show
/// ## `timestamp`
/// timestamp from the event that triggered this call, or `GDK_CURRENT_TIME`
/// ## `cancellable`
/// a `GCancellable` to cancel the launch
/// ## `callback`
/// a callback to call when the action is complete
#[doc(alias = "gtk_show_uri_full")]
#[doc(alias = "gtk_show_uri_full_finish")]
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
#[allow(deprecated)]
pub fn show_uri_full<P: FnOnce(Result<(), glib::Error>) + 'static>(
    parent: Option<&impl IsA<Window>>,
    uri: &str,
    timestamp: u32,
    cancellable: Option<&impl IsA<gio::Cancellable>>,
    callback: P,
) {
    assert_initialized_main_thread!();
    let main_context = glib::MainContext::ref_thread_default();
    let is_main_context_owner = main_context.is_owner();
    let has_acquired_main_context = (!is_main_context_owner)
        .then(|| main_context.acquire().ok())
        .flatten();
    assert!(
        is_main_context_owner || has_acquired_main_context.is_some(),
        "Async operations only allowed if the thread is owning the MainContext"
    );

    let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
        Box_::new(glib::thread_guard::ThreadGuard::new(callback));
    unsafe extern "C" fn show_uri_full_trampoline<P: FnOnce(Result<(), glib::Error>) + 'static>(
        parent_ptr: *mut glib::gobject_ffi::GObject,
        res: *mut gio::ffi::GAsyncResult,
        user_data: glib::ffi::gpointer,
    ) {
        let mut error = ptr::null_mut();
        let _ = ffi::gtk_show_uri_full_finish(parent_ptr as *mut ffi::GtkWindow, res, &mut error);
        let result = if error.is_null() {
            Ok(())
        } else {
            Err(from_glib_full(error))
        };
        let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::from_raw(user_data as *mut _);
        let callback = callback.into_inner();
        callback(result);
    }
    let callback = show_uri_full_trampoline::<P>;
    unsafe {
        ffi::gtk_show_uri_full(
            parent.map(|p| p.as_ref()).to_glib_none().0,
            uri.to_glib_none().0,
            timestamp,
            cancellable.map(|p| p.as_ref()).to_glib_none().0,
            Some(callback),
            Box_::into_raw(user_data) as *mut _,
        );
    }
}

#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
#[allow(deprecated)]
pub fn show_uri_full_future(
    parent: Option<&(impl IsA<Window> + Clone + 'static)>,
    uri: &str,
    timestamp: u32,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
    skip_assert_initialized!();
    let parent = parent.map(ToOwned::to_owned);
    let uri = String::from(uri);
    Box_::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
        show_uri_full(
            parent.as_ref().map(::std::borrow::Borrow::borrow),
            &uri,
            timestamp,
            Some(cancellable),
            move |res| {
                send.resolve(res);
            },
        );
    }))
}

static SHOW_ABOUT_DIALOG_QUARK: Lazy<Quark> = Lazy::new(|| Quark::from_str("gtk-rs-about-dialog"));

/// A convenience function for showing an application’s about dialog.
///
/// The constructed dialog is associated with the parent window and
/// reused for future invocations of this function.
/// ## `parent`
/// the parent top-level window
/// ## `first_property_name`
/// the name of the first property
#[doc(alias = "gtk_show_about_dialog")]
pub fn show_about_dialog<P: IsA<Window>>(parent: Option<&P>, properties: &[(&str, &dyn ToValue)]) {
    assert_initialized_main_thread!();
    unsafe {
        if let Some(d) = parent.and_then(|p| p.qdata::<AboutDialog>(*SHOW_ABOUT_DIALOG_QUARK)) {
            d.as_ref().show();
        } else {
            let about_dialog = glib::Object::new::<AboutDialog>(properties);
            about_dialog.set_transient_for(parent);
            about_dialog.set_modal(true);
            about_dialog.set_destroy_with_parent(true);

            // cache the dialog if a parent is set
            if let Some(dialog_parent) = parent {
                dialog_parent.set_qdata(*SHOW_ABOUT_DIALOG_QUARK, about_dialog.clone());
            }
            about_dialog.show();
        };
    }
}

/// Return the type ids that have been registered after
/// calling gtk_test_register_all_types().
///
/// # Returns
///
///
///    0-terminated array of type ids
#[doc(alias = "gtk_test_list_all_types")]
pub fn test_list_all_types() -> Vec<glib::Type> {
    unsafe {
        let mut n_types = std::mem::MaybeUninit::uninit();
        let types = ffi::gtk_test_list_all_types(n_types.as_mut_ptr());
        FromGlibContainer::from_glib_container_num(types, n_types.assume_init() as usize)
    }
}