gdk4/auto/
toplevel.rs

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
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
// 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

#[cfg(feature = "v4_4")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_4")))]
use crate::TitlebarGesture;
use crate::{
    ffi, Device, Event, FullscreenMode, Surface, SurfaceEdge, Texture, ToplevelLayout,
    ToplevelState,
};
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// A [`Toplevel`][crate::Toplevel] is a freestanding toplevel surface.
    ///
    /// The [`Toplevel`][crate::Toplevel] interface provides useful APIs for interacting with
    /// the windowing system, such as controlling maximization and size of the
    /// surface, setting icons and transient parents for dialogs.
    ///
    /// ## Properties
    ///
    ///
    /// #### `decorated`
    ///  Whether the window manager should add decorations.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `deletable`
    ///  Whether the window manager should allow to close the surface.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `fullscreen-mode`
    ///  The fullscreen mode of the surface.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `icon-list`
    ///  A list of textures to use as icon.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `modal`
    ///  Whether the surface is modal.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `shortcuts-inhibited`
    ///  Whether the surface should inhibit keyboard shortcuts.
    ///
    /// Readable
    ///
    ///
    /// #### `startup-id`
    ///  The startup ID of the surface.
    ///
    /// See [`AppLaunchContext`][crate::AppLaunchContext] for more information about
    /// startup feedback.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `state`
    ///  The state of the toplevel.
    ///
    /// Readable
    ///
    ///
    /// #### `title`
    ///  The title of the surface.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `transient-for`
    ///  The transient parent of the surface.
    ///
    /// Readable | Writeable
    /// <details><summary><h4>Surface</h4></summary>
    ///
    ///
    /// #### `cursor`
    ///  The mouse pointer for the [`Surface`][crate::Surface].
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `display`
    ///  The [`Display`][crate::Display] connection of the surface.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `frame-clock`
    ///  The [`FrameClock`][crate::FrameClock] of the surface.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `height`
    ///  The height of the surface, in pixels.
    ///
    /// Readable
    ///
    ///
    /// #### `mapped`
    ///  Whether the surface is mapped.
    ///
    /// Readable
    ///
    ///
    /// #### `scale`
    ///  The scale of the surface.
    ///
    /// Readable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the surface.
    ///
    /// The scale factor is the next larger integer,
    /// compared to [`scale`][struct@crate::Surface#scale].
    ///
    /// Readable
    ///
    ///
    /// #### `width`
    ///  The width of the surface in pixels.
    ///
    /// Readable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `compute-size`
    ///  Emitted when the size for the surface needs to be computed, when
    /// it is present.
    ///
    /// This signal will normally be emitted during or after a call to
    /// [`ToplevelExt::present()`][crate::prelude::ToplevelExt::present()], depending on the configuration
    /// received by the windowing system. It may also be emitted at any
    /// other point in time, in response to the windowing system
    /// spontaneously changing the configuration of the toplevel surface.
    ///
    /// It is the responsibility of the toplevel user to handle this signal
    /// and compute the desired size of the toplevel, given the information
    /// passed via the [`ToplevelSize`][crate::ToplevelSize] object. Failing to do so
    /// will result in an arbitrary size being used as a result.
    ///
    ///
    /// <details><summary><h4>Surface</h4></summary>
    ///
    ///
    /// #### `enter-monitor`
    ///  Emitted when @surface starts being present on the monitor.
    ///
    ///
    ///
    ///
    /// #### `event`
    ///  Emitted when GDK receives an input event for @surface.
    ///
    ///
    ///
    ///
    /// #### `layout`
    ///  Emitted when the size of @surface is changed, or when relayout should
    /// be performed.
    ///
    /// Surface size is reported in ”application pixels”, not
    /// ”device pixels” (see gdk_surface_get_scale_factor()).
    ///
    ///
    ///
    ///
    /// #### `leave-monitor`
    ///  Emitted when @surface stops being present on the monitor.
    ///
    ///
    ///
    ///
    /// #### `render`
    ///  Emitted when part of the surface needs to be redrawn.
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`ToplevelExt`][trait@crate::prelude::ToplevelExt], [`SurfaceExt`][trait@crate::prelude::SurfaceExt], [`ToplevelExtManual`][trait@crate::prelude::ToplevelExtManual], [`SurfaceExtManual`][trait@crate::prelude::SurfaceExtManual]
    #[doc(alias = "GdkToplevel")]
    pub struct Toplevel(Interface<ffi::GdkToplevel, ffi::GdkToplevelInterface>) @requires Surface;

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

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

/// Trait containing all [`struct@Toplevel`] methods.
///
/// # Implementors
///
/// [`Toplevel`][struct@crate::Toplevel]
pub trait ToplevelExt: IsA<Toplevel> + 'static {
    /// Begins an interactive move operation.
    ///
    /// You might use this function to implement draggable titlebars.
    /// ## `device`
    /// the device used for the operation
    /// ## `button`
    /// the button being used to drag, or 0 for a keyboard-initiated drag
    /// ## `x`
    /// surface X coordinate of mouse click that began the drag
    /// ## `y`
    /// surface Y coordinate of mouse click that began the drag
    /// ## `timestamp`
    /// timestamp of mouse click that began the drag (use
    ///   [`Event::time()`][crate::Event::time()])
    #[doc(alias = "gdk_toplevel_begin_move")]
    fn begin_move(&self, device: &impl IsA<Device>, button: i32, x: f64, y: f64, timestamp: u32) {
        unsafe {
            ffi::gdk_toplevel_begin_move(
                self.as_ref().to_glib_none().0,
                device.as_ref().to_glib_none().0,
                button,
                x,
                y,
                timestamp,
            );
        }
    }

    /// Begins an interactive resize operation.
    ///
    /// You might use this function to implement a “window resize grip.”
    /// ## `edge`
    /// the edge or corner from which the drag is started
    /// ## `device`
    /// the device used for the operation
    /// ## `button`
    /// the button being used to drag, or 0 for a keyboard-initiated drag
    /// ## `x`
    /// surface X coordinate of mouse click that began the drag
    /// ## `y`
    /// surface Y coordinate of mouse click that began the drag
    /// ## `timestamp`
    /// timestamp of mouse click that began the drag (use
    ///   [`Event::time()`][crate::Event::time()])
    #[doc(alias = "gdk_toplevel_begin_resize")]
    fn begin_resize(
        &self,
        edge: SurfaceEdge,
        device: Option<&impl IsA<Device>>,
        button: i32,
        x: f64,
        y: f64,
        timestamp: u32,
    ) {
        unsafe {
            ffi::gdk_toplevel_begin_resize(
                self.as_ref().to_glib_none().0,
                edge.into_glib(),
                device.map(|p| p.as_ref()).to_glib_none().0,
                button,
                x,
                y,
                timestamp,
            );
        }
    }

    /// Sets keyboard focus to @surface.
    ///
    /// In most cases, [gtk_window_present_with_time()](../gtk4/method.Window.present_with_time.html)
    /// should be used on a [GtkWindow](../gtk4/class.Window.html), rather than
    /// calling this function.
    /// ## `timestamp`
    /// timestamp of the event triggering the surface focus
    #[doc(alias = "gdk_toplevel_focus")]
    fn focus(&self, timestamp: u32) {
        unsafe {
            ffi::gdk_toplevel_focus(self.as_ref().to_glib_none().0, timestamp);
        }
    }

    /// Gets the bitwise or of the currently active surface state flags,
    /// from the [`ToplevelState`][crate::ToplevelState] enumeration.
    ///
    /// # Returns
    ///
    /// surface state bitfield
    #[doc(alias = "gdk_toplevel_get_state")]
    #[doc(alias = "get_state")]
    fn state(&self) -> ToplevelState {
        unsafe { from_glib(ffi::gdk_toplevel_get_state(self.as_ref().to_glib_none().0)) }
    }

    /// Requests that the @self inhibit the system shortcuts.
    ///
    /// This is asking the desktop environment/windowing system to let all
    /// keyboard events reach the surface, as long as it is focused, instead
    /// of triggering system actions.
    ///
    /// If granted, the rerouting remains active until the default shortcuts
    /// processing is restored with [`restore_system_shortcuts()`][Self::restore_system_shortcuts()],
    /// or the request is revoked by the desktop environment, windowing system
    /// or the user.
    ///
    /// A typical use case for this API is remote desktop or virtual machine
    /// viewers which need to inhibit the default system keyboard shortcuts
    /// so that the remote session or virtual host gets those instead of the
    /// local environment.
    ///
    /// The windowing system or desktop environment may ask the user to grant
    /// or deny the request or even choose to ignore the request entirely.
    ///
    /// The caller can be notified whenever the request is granted or revoked
    /// by listening to the [`shortcuts-inhibited`][struct@crate::Toplevel#shortcuts-inhibited] property.
    /// ## `event`
    /// the [`Event`][crate::Event] that is triggering the inhibit
    ///   request, or [`None`] if none is available
    #[doc(alias = "gdk_toplevel_inhibit_system_shortcuts")]
    fn inhibit_system_shortcuts(&self, event: Option<impl AsRef<Event>>) {
        unsafe {
            ffi::gdk_toplevel_inhibit_system_shortcuts(
                self.as_ref().to_glib_none().0,
                event.as_ref().map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Asks to lower the @self below other windows.
    ///
    /// The windowing system may choose to ignore the request.
    ///
    /// # Returns
    ///
    /// [`true`] if the surface was lowered
    #[doc(alias = "gdk_toplevel_lower")]
    fn lower(&self) -> bool {
        unsafe { from_glib(ffi::gdk_toplevel_lower(self.as_ref().to_glib_none().0)) }
    }

    /// Asks to minimize the @self.
    ///
    /// The windowing system may choose to ignore the request.
    ///
    /// # Returns
    ///
    /// [`true`] if the surface was minimized
    #[doc(alias = "gdk_toplevel_minimize")]
    fn minimize(&self) -> bool {
        unsafe { from_glib(ffi::gdk_toplevel_minimize(self.as_ref().to_glib_none().0)) }
    }

    /// Present @self after having processed the [`ToplevelLayout`][crate::ToplevelLayout] rules.
    ///
    /// If the toplevel was previously not showing, it will be showed,
    /// otherwise it will change layout according to @layout.
    ///
    /// GDK may emit the [`compute-size`][struct@crate::Toplevel#compute-size] signal to let
    /// the user of this toplevel compute the preferred size of the toplevel
    /// surface.
    ///
    /// Presenting is asynchronous and the specified layout parameters are not
    /// guaranteed to be respected.
    /// ## `layout`
    /// the [`ToplevelLayout`][crate::ToplevelLayout] object used to layout
    #[doc(alias = "gdk_toplevel_present")]
    fn present(&self, layout: &ToplevelLayout) {
        unsafe {
            ffi::gdk_toplevel_present(self.as_ref().to_glib_none().0, layout.to_glib_none().0);
        }
    }

    /// Restore default system keyboard shortcuts which were previously
    /// inhibited.
    ///
    /// This undoes the effect of [`inhibit_system_shortcuts()`][Self::inhibit_system_shortcuts()].
    #[doc(alias = "gdk_toplevel_restore_system_shortcuts")]
    fn restore_system_shortcuts(&self) {
        unsafe {
            ffi::gdk_toplevel_restore_system_shortcuts(self.as_ref().to_glib_none().0);
        }
    }

    /// Sets the toplevel to be decorated.
    ///
    /// Setting @decorated to [`false`] hints the desktop environment
    /// that the surface has its own, client-side decorations and
    /// does not need to have window decorations added.
    /// ## `decorated`
    /// [`true`] to request decorations
    #[doc(alias = "gdk_toplevel_set_decorated")]
    #[doc(alias = "decorated")]
    fn set_decorated(&self, decorated: bool) {
        unsafe {
            ffi::gdk_toplevel_set_decorated(self.as_ref().to_glib_none().0, decorated.into_glib());
        }
    }

    /// Sets the toplevel to be deletable.
    ///
    /// Setting @deletable to [`true`] hints the desktop environment
    /// that it should offer the user a way to close the surface.
    /// ## `deletable`
    /// [`true`] to request a delete button
    #[doc(alias = "gdk_toplevel_set_deletable")]
    #[doc(alias = "deletable")]
    fn set_deletable(&self, deletable: bool) {
        unsafe {
            ffi::gdk_toplevel_set_deletable(self.as_ref().to_glib_none().0, deletable.into_glib());
        }
    }

    /// Sets a list of icons for the surface.
    ///
    /// One of these will be used to represent the surface in iconic form.
    /// The icon may be shown in window lists or task bars. Which icon
    /// size is shown depends on the window manager. The window manager
    /// can scale the icon but setting several size icons can give better
    /// image quality.
    ///
    /// Note that some platforms don't support surface icons.
    /// ## `surfaces`
    ///
    ///   A list of textures to use as icon, of different sizes
    #[doc(alias = "gdk_toplevel_set_icon_list")]
    #[doc(alias = "icon-list")]
    fn set_icon_list(&self, surfaces: &[Texture]) {
        unsafe {
            ffi::gdk_toplevel_set_icon_list(
                self.as_ref().to_glib_none().0,
                surfaces.to_glib_none().0,
            );
        }
    }

    /// Sets the toplevel to be modal.
    ///
    /// The application can use this hint to tell the
    /// window manager that a certain surface has modal
    /// behaviour. The window manager can use this information
    /// to handle modal surfaces in a special way.
    ///
    /// You should only use this on surfaces for which you have
    /// previously called [`set_transient_for()`][Self::set_transient_for()].
    /// ## `modal`
    /// [`true`] if the surface is modal, [`false`] otherwise.
    #[doc(alias = "gdk_toplevel_set_modal")]
    #[doc(alias = "modal")]
    fn set_modal(&self, modal: bool) {
        unsafe {
            ffi::gdk_toplevel_set_modal(self.as_ref().to_glib_none().0, modal.into_glib());
        }
    }

    /// Sets the startup notification ID.
    ///
    /// When using GTK, typically you should use
    /// [gtk_window_set_startup_id()](../gtk4/method.Window.set_startup_id.html)
    /// instead of this low-level function.
    /// ## `startup_id`
    /// a string with startup-notification identifier
    #[doc(alias = "gdk_toplevel_set_startup_id")]
    #[doc(alias = "startup-id")]
    fn set_startup_id(&self, startup_id: &str) {
        unsafe {
            ffi::gdk_toplevel_set_startup_id(
                self.as_ref().to_glib_none().0,
                startup_id.to_glib_none().0,
            );
        }
    }

    /// Sets the title of a toplevel surface.
    ///
    /// The title maybe be displayed in the titlebar,
    /// in lists of windows, etc.
    /// ## `title`
    /// title of @surface
    #[doc(alias = "gdk_toplevel_set_title")]
    #[doc(alias = "title")]
    fn set_title(&self, title: &str) {
        unsafe {
            ffi::gdk_toplevel_set_title(self.as_ref().to_glib_none().0, title.to_glib_none().0);
        }
    }

    /// Sets a transient-for parent.
    ///
    /// Indicates to the window manager that @surface is a transient
    /// dialog associated with the application surface @parent. This
    /// allows the window manager to do things like center @surface
    /// on @parent and keep @surface above @parent.
    ///
    /// See [gtk_window_set_transient_for()](../gtk4/method.Window.set_transient_for.html)
    /// if you’re using [GtkWindow](../gtk4/class.Window.html).
    /// ## `parent`
    /// another toplevel [`Surface`][crate::Surface]
    #[doc(alias = "gdk_toplevel_set_transient_for")]
    #[doc(alias = "transient-for")]
    fn set_transient_for(&self, parent: &impl IsA<Surface>) {
        unsafe {
            ffi::gdk_toplevel_set_transient_for(
                self.as_ref().to_glib_none().0,
                parent.as_ref().to_glib_none().0,
            );
        }
    }

    /// Asks the windowing system to show the window menu.
    ///
    /// The window menu is the menu shown when right-clicking the titlebar
    /// on traditional windows managed by the window manager. This is useful
    /// for windows using client-side decorations, activating it with a
    /// right-click on the window decorations.
    /// ## `event`
    /// a [`Event`][crate::Event] to show the menu for
    ///
    /// # Returns
    ///
    /// [`true`] if the window menu was shown and [`false`] otherwise.
    #[doc(alias = "gdk_toplevel_show_window_menu")]
    fn show_window_menu(&self, event: impl AsRef<Event>) -> bool {
        unsafe {
            from_glib(ffi::gdk_toplevel_show_window_menu(
                self.as_ref().to_glib_none().0,
                event.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether the desktop environment supports
    /// tiled window states.
    ///
    /// # Returns
    ///
    /// [`true`] if the desktop environment supports tiled window states
    #[doc(alias = "gdk_toplevel_supports_edge_constraints")]
    fn supports_edge_constraints(&self) -> bool {
        unsafe {
            from_glib(ffi::gdk_toplevel_supports_edge_constraints(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Performs a title bar gesture.
    /// ## `gesture`
    /// a [`TitlebarGesture`][crate::TitlebarGesture]
    ///
    /// # Returns
    ///
    /// whether the gesture was performed
    #[cfg(feature = "v4_4")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_4")))]
    #[doc(alias = "gdk_toplevel_titlebar_gesture")]
    fn titlebar_gesture(&self, gesture: TitlebarGesture) -> bool {
        unsafe {
            from_glib(ffi::gdk_toplevel_titlebar_gesture(
                self.as_ref().to_glib_none().0,
                gesture.into_glib(),
            ))
        }
    }

    /// Whether the window manager should add decorations.
    fn is_decorated(&self) -> bool {
        ObjectExt::property(self.as_ref(), "decorated")
    }

    /// Whether the window manager should allow to close the surface.
    fn is_deletable(&self) -> bool {
        ObjectExt::property(self.as_ref(), "deletable")
    }

    /// The fullscreen mode of the surface.
    #[doc(alias = "fullscreen-mode")]
    fn fullscreen_mode(&self) -> FullscreenMode {
        ObjectExt::property(self.as_ref(), "fullscreen-mode")
    }

    /// The fullscreen mode of the surface.
    #[doc(alias = "fullscreen-mode")]
    fn set_fullscreen_mode(&self, fullscreen_mode: FullscreenMode) {
        ObjectExt::set_property(self.as_ref(), "fullscreen-mode", fullscreen_mode)
    }

    //#[doc(alias = "icon-list")]
    //fn icon_list(&self) -> /*Unimplemented*/Basic: Pointer {
    //    ObjectExt::property(self.as_ref(), "icon-list")
    //}

    /// Whether the surface is modal.
    fn is_modal(&self) -> bool {
        ObjectExt::property(self.as_ref(), "modal")
    }

    /// Whether the surface should inhibit keyboard shortcuts.
    #[doc(alias = "shortcuts-inhibited")]
    fn is_shortcuts_inhibited(&self) -> bool {
        ObjectExt::property(self.as_ref(), "shortcuts-inhibited")
    }

    /// The startup ID of the surface.
    ///
    /// See [`AppLaunchContext`][crate::AppLaunchContext] for more information about
    /// startup feedback.
    #[doc(alias = "startup-id")]
    fn startup_id(&self) -> Option<glib::GString> {
        ObjectExt::property(self.as_ref(), "startup-id")
    }

    /// The title of the surface.
    fn title(&self) -> Option<glib::GString> {
        ObjectExt::property(self.as_ref(), "title")
    }

    /// The transient parent of the surface.
    #[doc(alias = "transient-for")]
    fn transient_for(&self) -> Option<Surface> {
        ObjectExt::property(self.as_ref(), "transient-for")
    }

    #[doc(alias = "decorated")]
    fn connect_decorated_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_decorated_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::decorated\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_decorated_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "deletable")]
    fn connect_deletable_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_deletable_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::deletable\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_deletable_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "fullscreen-mode")]
    fn connect_fullscreen_mode_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_fullscreen_mode_trampoline<
            P: IsA<Toplevel>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::fullscreen-mode\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_fullscreen_mode_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "icon-list")]
    fn connect_icon_list_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_icon_list_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::icon-list\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_icon_list_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "modal")]
    fn connect_modal_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_modal_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::modal\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_modal_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "shortcuts-inhibited")]
    fn connect_shortcuts_inhibited_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_shortcuts_inhibited_trampoline<
            P: IsA<Toplevel>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::shortcuts-inhibited\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_shortcuts_inhibited_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "startup-id")]
    fn connect_startup_id_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_startup_id_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::startup-id\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_startup_id_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "state")]
    fn connect_state_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_state_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::state\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "title")]
    fn connect_title_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_title_trampoline<P: IsA<Toplevel>, F: Fn(&P) + 'static>(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::title\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_title_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "transient-for")]
    fn connect_transient_for_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_transient_for_trampoline<
            P: IsA<Toplevel>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GdkToplevel,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Toplevel::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::transient-for\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_transient_for_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<Toplevel>> ToplevelExt for O {}