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
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files.git)
// DO NOT EDIT

use crate::Accessible;
use crate::AccessibleRole;
use crate::Adjustment;
use crate::Align;
use crate::Buildable;
use crate::Button;
use crate::ConstraintTarget;
use crate::LayoutManager;
use crate::Orientable;
use crate::Orientation;
use crate::Overflow;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectExt;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// [`ScaleButton`][crate::ScaleButton] provides a button which pops up a scale widget.
    ///
    /// This kind of widget is commonly used for volume controls in multimedia
    /// applications, and GTK provides a [`VolumeButton`][crate::VolumeButton] subclass that
    /// is tailored for this use case.
    ///
    /// # CSS nodes
    ///
    /// [`ScaleButton`][crate::ScaleButton] has a single CSS node with name button. To differentiate
    /// it from a plain [`Button`][crate::Button], it gets the .scale style class.
    ///
    /// # Implements
    ///
    /// [`ScaleButtonExt`][trait@crate::prelude::ScaleButtonExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`OrientableExt`][trait@crate::prelude::OrientableExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkScaleButton")]
    pub struct ScaleButton(Object<ffi::GtkScaleButton, ffi::GtkScaleButtonClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Orientable;

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

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

    /// Creates a [`ScaleButton`][crate::ScaleButton].
    ///
    /// The new scale button has a range between @min and @max,
    /// with a stepping of @step.
    /// ## `min`
    /// the minimum value of the scale (usually 0)
    /// ## `max`
    /// the maximum value of the scale (usually 100)
    /// ## `step`
    /// the stepping of value when a scroll-wheel event,
    ///   or up/down arrow event occurs (usually 2)
    /// ## `icons`
    /// a [`None`]-terminated
    ///   array of icon names, or [`None`] if you want to set the list
    ///   later with gtk_scale_button_set_icons()
    ///
    /// # Returns
    ///
    /// a new [`ScaleButton`][crate::ScaleButton]
    #[doc(alias = "gtk_scale_button_new")]
    pub fn new(min: f64, max: f64, step: f64, icons: &[&str]) -> ScaleButton {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_scale_button_new(
                min,
                max,
                step,
                icons.to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    // rustdoc-stripper-ignore-next
    /// Creates a new builder-pattern struct instance to construct [`ScaleButton`] objects.
    ///
    /// This method returns an instance of [`ScaleButtonBuilder`](crate::builders::ScaleButtonBuilder) which can be used to create [`ScaleButton`] objects.
    pub fn builder() -> ScaleButtonBuilder {
        ScaleButtonBuilder::default()
    }
}

impl Default for ScaleButton {
    fn default() -> Self {
        glib::object::Object::new::<Self>(&[])
            .expect("Can't construct ScaleButton object with default parameters")
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`ScaleButton`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct ScaleButtonBuilder {
    adjustment: Option<Adjustment>,
    icons: Option<Vec<String>>,
    value: Option<f64>,
    can_focus: Option<bool>,
    can_target: Option<bool>,
    css_classes: Option<Vec<String>>,
    css_name: Option<String>,
    cursor: Option<gdk::Cursor>,
    focus_on_click: Option<bool>,
    focusable: Option<bool>,
    halign: Option<Align>,
    has_tooltip: Option<bool>,
    height_request: Option<i32>,
    hexpand: Option<bool>,
    hexpand_set: Option<bool>,
    layout_manager: Option<LayoutManager>,
    margin_bottom: Option<i32>,
    margin_end: Option<i32>,
    margin_start: Option<i32>,
    margin_top: Option<i32>,
    name: Option<String>,
    opacity: Option<f64>,
    overflow: Option<Overflow>,
    receives_default: Option<bool>,
    sensitive: Option<bool>,
    tooltip_markup: Option<String>,
    tooltip_text: Option<String>,
    valign: Option<Align>,
    vexpand: Option<bool>,
    vexpand_set: Option<bool>,
    visible: Option<bool>,
    width_request: Option<i32>,
    accessible_role: Option<AccessibleRole>,
    orientation: Option<Orientation>,
}

impl ScaleButtonBuilder {
    // rustdoc-stripper-ignore-next
    /// Create a new [`ScaleButtonBuilder`].
    pub fn new() -> Self {
        Self::default()
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`ScaleButton`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> ScaleButton {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref adjustment) = self.adjustment {
            properties.push(("adjustment", adjustment));
        }
        if let Some(ref icons) = self.icons {
            properties.push(("icons", icons));
        }
        if let Some(ref value) = self.value {
            properties.push(("value", value));
        }
        if let Some(ref can_focus) = self.can_focus {
            properties.push(("can-focus", can_focus));
        }
        if let Some(ref can_target) = self.can_target {
            properties.push(("can-target", can_target));
        }
        if let Some(ref css_classes) = self.css_classes {
            properties.push(("css-classes", css_classes));
        }
        if let Some(ref css_name) = self.css_name {
            properties.push(("css-name", css_name));
        }
        if let Some(ref cursor) = self.cursor {
            properties.push(("cursor", cursor));
        }
        if let Some(ref focus_on_click) = self.focus_on_click {
            properties.push(("focus-on-click", focus_on_click));
        }
        if let Some(ref focusable) = self.focusable {
            properties.push(("focusable", focusable));
        }
        if let Some(ref halign) = self.halign {
            properties.push(("halign", halign));
        }
        if let Some(ref has_tooltip) = self.has_tooltip {
            properties.push(("has-tooltip", has_tooltip));
        }
        if let Some(ref height_request) = self.height_request {
            properties.push(("height-request", height_request));
        }
        if let Some(ref hexpand) = self.hexpand {
            properties.push(("hexpand", hexpand));
        }
        if let Some(ref hexpand_set) = self.hexpand_set {
            properties.push(("hexpand-set", hexpand_set));
        }
        if let Some(ref layout_manager) = self.layout_manager {
            properties.push(("layout-manager", layout_manager));
        }
        if let Some(ref margin_bottom) = self.margin_bottom {
            properties.push(("margin-bottom", margin_bottom));
        }
        if let Some(ref margin_end) = self.margin_end {
            properties.push(("margin-end", margin_end));
        }
        if let Some(ref margin_start) = self.margin_start {
            properties.push(("margin-start", margin_start));
        }
        if let Some(ref margin_top) = self.margin_top {
            properties.push(("margin-top", margin_top));
        }
        if let Some(ref name) = self.name {
            properties.push(("name", name));
        }
        if let Some(ref opacity) = self.opacity {
            properties.push(("opacity", opacity));
        }
        if let Some(ref overflow) = self.overflow {
            properties.push(("overflow", overflow));
        }
        if let Some(ref receives_default) = self.receives_default {
            properties.push(("receives-default", receives_default));
        }
        if let Some(ref sensitive) = self.sensitive {
            properties.push(("sensitive", sensitive));
        }
        if let Some(ref tooltip_markup) = self.tooltip_markup {
            properties.push(("tooltip-markup", tooltip_markup));
        }
        if let Some(ref tooltip_text) = self.tooltip_text {
            properties.push(("tooltip-text", tooltip_text));
        }
        if let Some(ref valign) = self.valign {
            properties.push(("valign", valign));
        }
        if let Some(ref vexpand) = self.vexpand {
            properties.push(("vexpand", vexpand));
        }
        if let Some(ref vexpand_set) = self.vexpand_set {
            properties.push(("vexpand-set", vexpand_set));
        }
        if let Some(ref visible) = self.visible {
            properties.push(("visible", visible));
        }
        if let Some(ref width_request) = self.width_request {
            properties.push(("width-request", width_request));
        }
        if let Some(ref accessible_role) = self.accessible_role {
            properties.push(("accessible-role", accessible_role));
        }
        if let Some(ref orientation) = self.orientation {
            properties.push(("orientation", orientation));
        }
        glib::Object::new::<ScaleButton>(&properties)
            .expect("Failed to create an instance of ScaleButton")
    }

    /// The [`Adjustment`][crate::Adjustment] that is used as the model.
    pub fn adjustment(mut self, adjustment: &impl IsA<Adjustment>) -> Self {
        self.adjustment = Some(adjustment.clone().upcast());
        self
    }

    /// The names of the icons to be used by the scale button.
    ///
    /// The first item in the array will be used in the button
    /// when the current value is the lowest value, the second
    /// item for the highest value. All the subsequent icons will
    /// be used for all the other values, spread evenly over the
    /// range of values.
    ///
    /// If there's only one icon name in the @icons array, it will
    /// be used for all the values. If only two icon names are in
    /// the @icons array, the first one will be used for the bottom
    /// 50% of the scale, and the second one for the top 50%.
    ///
    /// It is recommended to use at least 3 icons so that the
    /// [`ScaleButton`][crate::ScaleButton] reflects the current value of the scale
    /// better for the users.
    pub fn icons(mut self, icons: Vec<String>) -> Self {
        self.icons = Some(icons);
        self
    }

    /// The value of the scale.
    pub fn value(mut self, value: f64) -> Self {
        self.value = Some(value);
        self
    }

    /// Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn can_focus(mut self, can_focus: bool) -> Self {
        self.can_focus = Some(can_focus);
        self
    }

    /// Whether the widget can receive pointer events.
    pub fn can_target(mut self, can_target: bool) -> Self {
        self.can_target = Some(can_target);
        self
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(mut self, css_classes: Vec<String>) -> Self {
        self.css_classes = Some(css_classes);
        self
    }

    /// The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn css_name(mut self, css_name: &str) -> Self {
        self.css_name = Some(css_name.to_string());
        self
    }

    /// The cursor used by @widget.
    pub fn cursor(mut self, cursor: &gdk::Cursor) -> Self {
        self.cursor = Some(cursor.clone());
        self
    }

    /// Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    pub fn focus_on_click(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(mut self, focusable: bool) -> Self {
        self.focusable = Some(focusable);
        self
    }

    /// How to distribute horizontal space if widget gets extra space.
    pub fn halign(mut self, halign: Align) -> Self {
        self.halign = Some(halign);
        self
    }

    /// Enables or disables the emission of the ::query-tooltip signal on @widget.
    ///
    /// A value of [`true`] indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using `signal::Widget::query-tooltip` to
    /// determine whether it will provide a tooltip or not.
    pub fn has_tooltip(mut self, has_tooltip: bool) -> Self {
        self.has_tooltip = Some(has_tooltip);
        self
    }

    /// Override for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(mut self, height_request: i32) -> Self {
        self.height_request = Some(height_request);
        self
    }

    /// Whether to expand horizontally.
    pub fn hexpand(mut self, hexpand: bool) -> Self {
        self.hexpand = Some(hexpand);
        self
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(mut self, hexpand_set: bool) -> Self {
        self.hexpand_set = Some(hexpand_set);
        self
    }

    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute the preferred size
    /// of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn layout_manager(mut self, layout_manager: &impl IsA<LayoutManager>) -> Self {
        self.layout_manager = Some(layout_manager.clone().upcast());
        self
    }

    /// Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_bottom(mut self, margin_bottom: i32) -> Self {
        self.margin_bottom = Some(margin_bottom);
        self
    }

    /// Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_end(mut self, margin_end: i32) -> Self {
        self.margin_end = Some(margin_end);
        self
    }

    /// Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_start(mut self, margin_start: i32) -> Self {
        self.margin_start = Some(margin_start);
        self
    }

    /// Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_top(mut self, margin_top: i32) -> Self {
        self.margin_top = Some(margin_top);
        self
    }

    /// The name of the widget.
    pub fn name(mut self, name: &str) -> Self {
        self.name = Some(name.to_string());
        self
    }

    /// The requested opacity of the widget.
    pub fn opacity(mut self, opacity: f64) -> Self {
        self.opacity = Some(opacity);
        self
    }

    /// How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn overflow(mut self, overflow: Overflow) -> Self {
        self.overflow = Some(overflow);
        self
    }

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(mut self, receives_default: bool) -> Self {
        self.receives_default = Some(receives_default);
        self
    }

    /// Whether the widget responds to input.
    pub fn sensitive(mut self, sensitive: bool) -> Self {
        self.sensitive = Some(sensitive);
        self
    }

    /// Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not [`None`]:
    /// `property::Widget::has-tooltip` will automatically be set to [`true`]
    /// and there will be taken care of `signal::Widget::query-tooltip` in
    /// the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and
    /// `property::Widget::tooltip-markup` are set, the last one wins.
    pub fn tooltip_markup(mut self, tooltip_markup: &str) -> Self {
        self.tooltip_markup = Some(tooltip_markup.to_string());
        self
    }

    /// Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not [`None`]:
    /// `property::Widget::has-tooltip` will automatically be set to [`true`]
    /// and there will be taken care of `signal::Widget::query-tooltip` in
    /// the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and
    /// `property::Widget::tooltip-markup` are set, the last one wins.
    pub fn tooltip_text(mut self, tooltip_text: &str) -> Self {
        self.tooltip_text = Some(tooltip_text.to_string());
        self
    }

    /// How to distribute vertical space if widget gets extra space.
    pub fn valign(mut self, valign: Align) -> Self {
        self.valign = Some(valign);
        self
    }

    /// Whether to expand vertically.
    pub fn vexpand(mut self, vexpand: bool) -> Self {
        self.vexpand = Some(vexpand);
        self
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(mut self, vexpand_set: bool) -> Self {
        self.vexpand_set = Some(vexpand_set);
        self
    }

    /// Whether the widget is visible.
    pub fn visible(mut self, visible: bool) -> Self {
        self.visible = Some(visible);
        self
    }

    /// Override for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(mut self, width_request: i32) -> Self {
        self.width_request = Some(width_request);
        self
    }

    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    pub fn accessible_role(mut self, accessible_role: AccessibleRole) -> Self {
        self.accessible_role = Some(accessible_role);
        self
    }

    /// The orientation of the orientable.
    pub fn orientation(mut self, orientation: Orientation) -> Self {
        self.orientation = Some(orientation);
        self
    }
}

/// Trait containing all [`struct@ScaleButton`] methods.
///
/// # Implementors
///
/// [`ScaleButton`][struct@crate::ScaleButton], [`VolumeButton`][struct@crate::VolumeButton]
pub trait ScaleButtonExt: 'static {
    /// Gets the [`Adjustment`][crate::Adjustment] associated with the [`ScaleButton`][crate::ScaleButton]’s scale.
    ///
    /// See [`RangeExt::adjustment()`][crate::prelude::RangeExt::adjustment()] for details.
    ///
    /// # Returns
    ///
    /// the adjustment associated with the scale
    #[doc(alias = "gtk_scale_button_get_adjustment")]
    #[doc(alias = "get_adjustment")]
    fn adjustment(&self) -> Adjustment;

    /// Retrieves the minus button of the [`ScaleButton`][crate::ScaleButton].
    ///
    /// # Returns
    ///
    /// the minus button
    ///   of the [`ScaleButton`][crate::ScaleButton]
    #[doc(alias = "gtk_scale_button_get_minus_button")]
    #[doc(alias = "get_minus_button")]
    fn minus_button(&self) -> Button;

    /// Retrieves the plus button of the [`ScaleButton`][crate::ScaleButton]
    ///
    /// # Returns
    ///
    /// the plus button
    ///   of the [`ScaleButton`][crate::ScaleButton]
    #[doc(alias = "gtk_scale_button_get_plus_button")]
    #[doc(alias = "get_plus_button")]
    fn plus_button(&self) -> Button;

    /// Retrieves the popup of the [`ScaleButton`][crate::ScaleButton].
    ///
    /// # Returns
    ///
    /// the popup of the [`ScaleButton`][crate::ScaleButton]
    #[doc(alias = "gtk_scale_button_get_popup")]
    #[doc(alias = "get_popup")]
    fn popup(&self) -> Widget;

    /// Gets the current value of the scale button.
    ///
    /// # Returns
    ///
    /// current value of the scale button
    #[doc(alias = "gtk_scale_button_get_value")]
    #[doc(alias = "get_value")]
    fn value(&self) -> f64;

    /// Sets the [`Adjustment`][crate::Adjustment] to be used as a model
    /// for the [`ScaleButton`][crate::ScaleButton]’s scale.
    ///
    /// See [`RangeExt::set_adjustment()`][crate::prelude::RangeExt::set_adjustment()] for details.
    /// ## `adjustment`
    /// a [`Adjustment`][crate::Adjustment]
    #[doc(alias = "gtk_scale_button_set_adjustment")]
    fn set_adjustment(&self, adjustment: &impl IsA<Adjustment>);

    /// Sets the icons to be used by the scale button.
    /// ## `icons`
    /// a [`None`]-terminated array of icon names
    #[doc(alias = "gtk_scale_button_set_icons")]
    fn set_icons(&self, icons: &[&str]);

    /// Sets the current value of the scale.
    ///
    /// If the value is outside the minimum or maximum range values,
    /// it will be clamped to fit inside them.
    ///
    /// The scale button emits the `signal::ScaleButton::value-changed`
    /// signal if the value changes.
    /// ## `value`
    /// new value of the scale button
    #[doc(alias = "gtk_scale_button_set_value")]
    fn set_value(&self, value: f64);

    /// The names of the icons to be used by the scale button.
    ///
    /// The first item in the array will be used in the button
    /// when the current value is the lowest value, the second
    /// item for the highest value. All the subsequent icons will
    /// be used for all the other values, spread evenly over the
    /// range of values.
    ///
    /// If there's only one icon name in the @icons array, it will
    /// be used for all the values. If only two icon names are in
    /// the @icons array, the first one will be used for the bottom
    /// 50% of the scale, and the second one for the top 50%.
    ///
    /// It is recommended to use at least 3 icons so that the
    /// [`ScaleButton`][crate::ScaleButton] reflects the current value of the scale
    /// better for the users.
    fn icons(&self) -> Vec<glib::GString>;

    /// Emitted to dismiss the popup.
    ///
    /// This is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default binding for this signal is <kbd>Escape</kbd>.
    #[doc(alias = "popdown")]
    fn connect_popdown<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn emit_popdown(&self);

    /// Emitted to popup the scale widget.
    ///
    /// This is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are <kbd>Space</kbd>,
    /// <kbd>Enter</kbd> and <kbd>Return</kbd>.
    #[doc(alias = "popup")]
    fn connect_popup<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn emit_popup(&self);

    /// Emitted when the value field has changed.
    /// ## `value`
    /// the new value
    #[doc(alias = "value-changed")]
    fn connect_value_changed<F: Fn(&Self, f64) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "adjustment")]
    fn connect_adjustment_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "icons")]
    fn connect_icons_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "value")]
    fn connect_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<ScaleButton>> ScaleButtonExt for O {
    fn adjustment(&self) -> Adjustment {
        unsafe {
            from_glib_none(ffi::gtk_scale_button_get_adjustment(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn minus_button(&self) -> Button {
        unsafe {
            from_glib_none(ffi::gtk_scale_button_get_minus_button(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn plus_button(&self) -> Button {
        unsafe {
            from_glib_none(ffi::gtk_scale_button_get_plus_button(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn popup(&self) -> Widget {
        unsafe {
            from_glib_none(ffi::gtk_scale_button_get_popup(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn value(&self) -> f64 {
        unsafe { ffi::gtk_scale_button_get_value(self.as_ref().to_glib_none().0) }
    }

    fn set_adjustment(&self, adjustment: &impl IsA<Adjustment>) {
        unsafe {
            ffi::gtk_scale_button_set_adjustment(
                self.as_ref().to_glib_none().0,
                adjustment.as_ref().to_glib_none().0,
            );
        }
    }

    fn set_icons(&self, icons: &[&str]) {
        unsafe {
            ffi::gtk_scale_button_set_icons(self.as_ref().to_glib_none().0, icons.to_glib_none().0);
        }
    }

    fn set_value(&self, value: f64) {
        unsafe {
            ffi::gtk_scale_button_set_value(self.as_ref().to_glib_none().0, value);
        }
    }

    fn icons(&self) -> Vec<glib::GString> {
        glib::ObjectExt::property(self.as_ref(), "icons")
    }

    fn connect_popdown<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn popdown_trampoline<P: IsA<ScaleButton>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkScaleButton,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"popdown\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    popdown_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_popdown(&self) {
        self.emit_by_name::<()>("popdown", &[]);
    }

    fn connect_popup<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn popup_trampoline<P: IsA<ScaleButton>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkScaleButton,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"popup\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    popup_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_popup(&self) {
        self.emit_by_name::<()>("popup", &[]);
    }

    fn connect_value_changed<F: Fn(&Self, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn value_changed_trampoline<
            P: IsA<ScaleButton>,
            F: Fn(&P, f64) + 'static,
        >(
            this: *mut ffi::GtkScaleButton,
            value: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref(), value)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"value-changed\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    value_changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_adjustment_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_adjustment_trampoline<
            P: IsA<ScaleButton>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkScaleButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::adjustment\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_adjustment_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_icons_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_icons_trampoline<P: IsA<ScaleButton>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkScaleButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::icons\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_icons_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_value_trampoline<P: IsA<ScaleButton>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkScaleButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(ScaleButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::value\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_value_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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