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gtk4/auto/
button.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5#[cfg(feature = "v4_10")]
6#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
7use crate::Accessible;
8use crate::{
9    AccessibleRole, Actionable, Align, Buildable, ConstraintTarget, LayoutManager, Overflow,
10    Widget, ffi,
11};
12use glib::{
13    object::ObjectType as _,
14    prelude::*,
15    signal::{SignalHandlerId, connect_raw},
16    translate::*,
17};
18use std::boxed::Box as Box_;
19
20#[cfg(feature = "v4_10")]
21#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
22glib::wrapper! {
23    ///
24    ///
25    /// The [`Button`][crate::Button] widget can hold any valid child widget. That is, it can hold
26    /// almost any other standard [`Widget`][crate::Widget]. The most commonly used child is the
27    /// [`Label`][crate::Label].
28    ///
29    /// # Shortcuts and Gestures
30    ///
31    /// The following signals have default keybindings:
32    ///
33    /// - [`activate`][struct@crate::Button#activate]
34    ///
35    /// # CSS nodes
36    ///
37    /// [`Button`][crate::Button] has a single CSS node with name button. The node will get the
38    /// style classes .image-button or .text-button, if the content is just an
39    /// image or label, respectively. It may also receive the .flat style class.
40    /// When activating a button via the keyboard, the button will temporarily
41    /// gain the .keyboard-activating style class.
42    ///
43    /// Other style classes that are commonly used with [`Button`][crate::Button] include
44    /// .suggested-action and .destructive-action. In special cases, buttons
45    /// can be made round by adding the .circular style class.
46    ///
47    /// Button-like widgets like [`ToggleButton`][crate::ToggleButton], [`MenuButton`][crate::MenuButton],
48    /// [`VolumeButton`][crate::VolumeButton], [`LockButton`][crate::LockButton], [`ColorButton`][crate::ColorButton]
49    /// or [`FontButton`][crate::FontButton] use style classes such as .toggle, .popup, .scale,
50    /// .lock, .color on the button node to differentiate themselves from a plain
51    /// [`Button`][crate::Button].
52    ///
53    /// # Accessibility
54    ///
55    /// [`Button`][crate::Button] uses the [enum@Gtk.AccessibleRole.button] role.
56    ///
57    /// ## Properties
58    ///
59    ///
60    /// #### `can-shrink`
61    ///  Whether the size of the button can be made smaller than the natural
62    /// size of its contents.
63    ///
64    /// For text buttons, setting this property will allow ellipsizing the label.
65    ///
66    /// If the contents of a button are an icon or a custom widget, setting this
67    /// property has no effect.
68    ///
69    /// Readable | Writable
70    ///
71    ///
72    /// #### `child`
73    ///  The child widget.
74    ///
75    /// Readable | Writable
76    ///
77    ///
78    /// #### `has-frame`
79    ///  Whether the button has a frame.
80    ///
81    /// Readable | Writable
82    ///
83    ///
84    /// #### `icon-name`
85    ///  The name of the icon used to automatically populate the button.
86    ///
87    /// Readable | Writable
88    ///
89    ///
90    /// #### `label`
91    ///  Text of the label inside the button, if the button contains a label widget.
92    ///
93    /// Readable | Writable
94    ///
95    ///
96    /// #### `use-underline`
97    ///  If set, an underline in the text indicates that the following character is
98    /// to be used as mnemonic.
99    ///
100    /// Readable | Writable
101    /// <details><summary><h4>Widget</h4></summary>
102    ///
103    ///
104    /// #### `can-focus`
105    ///  Whether the widget or any of its descendents can accept
106    /// the input focus.
107    ///
108    /// This property is meant to be set by widget implementations,
109    /// typically in their instance init function.
110    ///
111    /// Readable | Writable
112    ///
113    ///
114    /// #### `can-target`
115    ///  Whether the widget can receive pointer events.
116    ///
117    /// Readable | Writable
118    ///
119    ///
120    /// #### `css-classes`
121    ///  A list of css classes applied to this widget.
122    ///
123    /// Readable | Writable
124    ///
125    ///
126    /// #### `css-name`
127    ///  The name of this widget in the CSS tree.
128    ///
129    /// This property is meant to be set by widget implementations,
130    /// typically in their instance init function.
131    ///
132    /// Readable | Writable | Construct Only
133    ///
134    ///
135    /// #### `cursor`
136    ///  The cursor used by @widget.
137    ///
138    /// Readable | Writable
139    ///
140    ///
141    /// #### `focus-on-click`
142    ///  Whether the widget should grab focus when it is clicked with the mouse.
143    ///
144    /// This property is only relevant for widgets that can take focus.
145    ///
146    /// Readable | Writable
147    ///
148    ///
149    /// #### `focusable`
150    ///  Whether this widget itself will accept the input focus.
151    ///
152    /// Readable | Writable
153    ///
154    ///
155    /// #### `halign`
156    ///  How to distribute horizontal space if widget gets extra space.
157    ///
158    /// Readable | Writable
159    ///
160    ///
161    /// #### `has-default`
162    ///  Whether the widget is the default widget.
163    ///
164    /// Readable
165    ///
166    ///
167    /// #### `has-focus`
168    ///  Whether the widget has the input focus.
169    ///
170    /// Readable
171    ///
172    ///
173    /// #### `has-tooltip`
174    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
175    /// signal on @widget.
176    ///
177    /// A true value indicates that @widget can have a tooltip, in this case
178    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
179    /// determine whether it will provide a tooltip or not.
180    ///
181    /// Readable | Writable
182    ///
183    ///
184    /// #### `height-request`
185    ///  Overrides for height request of the widget.
186    ///
187    /// If this is -1, the natural request will be used.
188    ///
189    /// Readable | Writable
190    ///
191    ///
192    /// #### `hexpand`
193    ///  Whether to expand horizontally.
194    ///
195    /// Readable | Writable
196    ///
197    ///
198    /// #### `hexpand-set`
199    ///  Whether to use the `hexpand` property.
200    ///
201    /// Readable | Writable
202    ///
203    ///
204    /// #### `layout-manager`
205    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
206    /// the preferred size of the widget, and allocate its children.
207    ///
208    /// This property is meant to be set by widget implementations,
209    /// typically in their instance init function.
210    ///
211    /// Readable | Writable
212    ///
213    ///
214    /// #### `limit-events`
215    ///  Makes this widget act like a modal dialog, with respect to
216    /// event delivery.
217    ///
218    /// Global event controllers will not handle events with targets
219    /// inside the widget, unless they are set up to ignore propagation
220    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
221    ///
222    /// Readable | Writable
223    ///
224    ///
225    /// #### `margin-bottom`
226    ///  Margin on bottom side of widget.
227    ///
228    /// This property adds margin outside of the widget's normal size
229    /// request, the margin will be added in addition to the size from
230    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
231    ///
232    /// Readable | Writable
233    ///
234    ///
235    /// #### `margin-end`
236    ///  Margin on end of widget, horizontally.
237    ///
238    /// This property supports left-to-right and right-to-left text
239    /// directions.
240    ///
241    /// This property adds margin outside of the widget's normal size
242    /// request, the margin will be added in addition to the size from
243    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
244    ///
245    /// Readable | Writable
246    ///
247    ///
248    /// #### `margin-start`
249    ///  Margin on start of widget, horizontally.
250    ///
251    /// This property supports left-to-right and right-to-left text
252    /// directions.
253    ///
254    /// This property adds margin outside of the widget's normal size
255    /// request, the margin will be added in addition to the size from
256    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
257    ///
258    /// Readable | Writable
259    ///
260    ///
261    /// #### `margin-top`
262    ///  Margin on top side of widget.
263    ///
264    /// This property adds margin outside of the widget's normal size
265    /// request, the margin will be added in addition to the size from
266    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
267    ///
268    /// Readable | Writable
269    ///
270    ///
271    /// #### `name`
272    ///  The name of the widget.
273    ///
274    /// Readable | Writable
275    ///
276    ///
277    /// #### `opacity`
278    ///  The requested opacity of the widget.
279    ///
280    /// Readable | Writable
281    ///
282    ///
283    /// #### `overflow`
284    ///  How content outside the widget's content area is treated.
285    ///
286    /// This property is meant to be set by widget implementations,
287    /// typically in their instance init function.
288    ///
289    /// Readable | Writable
290    ///
291    ///
292    /// #### `parent`
293    ///  The parent widget of this widget.
294    ///
295    /// Readable
296    ///
297    ///
298    /// #### `receives-default`
299    ///  Whether the widget will receive the default action when it is focused.
300    ///
301    /// Readable | Writable
302    ///
303    ///
304    /// #### `root`
305    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
306    ///
307    /// This will be `NULL` if the widget is not contained in a root widget.
308    ///
309    /// Readable
310    ///
311    ///
312    /// #### `scale-factor`
313    ///  The scale factor of the widget.
314    ///
315    /// Readable
316    ///
317    ///
318    /// #### `sensitive`
319    ///  Whether the widget responds to input.
320    ///
321    /// Readable | Writable
322    ///
323    ///
324    /// #### `tooltip-markup`
325    ///  Sets the text of tooltip to be the given string, which is marked up
326    /// with Pango markup.
327    ///
328    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
329    ///
330    /// This is a convenience property which will take care of getting the
331    /// tooltip shown if the given string is not `NULL`:
332    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
333    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
334    /// the default signal handler.
335    ///
336    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
337    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
338    ///
339    /// Readable | Writable
340    ///
341    ///
342    /// #### `tooltip-text`
343    ///  Sets the text of tooltip to be the given string.
344    ///
345    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
346    ///
347    /// This is a convenience property which will take care of getting the
348    /// tooltip shown if the given string is not `NULL`:
349    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
350    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
351    /// the default signal handler.
352    ///
353    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
354    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
355    ///
356    /// Readable | Writable
357    ///
358    ///
359    /// #### `valign`
360    ///  How to distribute vertical space if widget gets extra space.
361    ///
362    /// Readable | Writable
363    ///
364    ///
365    /// #### `vexpand`
366    ///  Whether to expand vertically.
367    ///
368    /// Readable | Writable
369    ///
370    ///
371    /// #### `vexpand-set`
372    ///  Whether to use the `vexpand` property.
373    ///
374    /// Readable | Writable
375    ///
376    ///
377    /// #### `visible`
378    ///  Whether the widget is visible.
379    ///
380    /// Readable | Writable
381    ///
382    ///
383    /// #### `width-request`
384    ///  Overrides for width request of the widget.
385    ///
386    /// If this is -1, the natural request will be used.
387    ///
388    /// Readable | Writable
389    /// </details>
390    /// <details><summary><h4>Accessible</h4></summary>
391    ///
392    ///
393    /// #### `accessible-role`
394    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
395    ///
396    /// The accessible role cannot be changed once set.
397    ///
398    /// Readable | Writable
399    /// </details>
400    /// <details><summary><h4>Actionable</h4></summary>
401    ///
402    ///
403    /// #### `action-name`
404    ///  The name of the action with which this widget should be associated.
405    ///
406    /// Readable | Writable
407    ///
408    ///
409    /// #### `action-target`
410    ///  The target value of the actionable widget's action.
411    ///
412    /// Readable | Writable
413    /// </details>
414    ///
415    /// ## Signals
416    ///
417    ///
418    /// #### `activate`
419    ///   keys.
420    ///
421    /// Action
422    ///
423    ///
424    /// #### `clicked`
425    ///  Emitted when the button has been activated (pressed and released).
426    ///
427    /// Action
428    /// <details><summary><h4>Widget</h4></summary>
429    ///
430    ///
431    /// #### `destroy`
432    ///  Signals that all holders of a reference to the widget should release
433    /// the reference that they hold.
434    ///
435    /// May result in finalization of the widget if all references are released.
436    ///
437    /// This signal is not suitable for saving widget state.
438    ///
439    ///
440    ///
441    ///
442    /// #### `direction-changed`
443    ///  Emitted when the text direction of a widget changes.
444    ///
445    ///
446    ///
447    ///
448    /// #### `hide`
449    ///  Emitted when @widget is hidden.
450    ///
451    ///
452    ///
453    ///
454    /// #### `keynav-failed`
455    ///  Emitted if keyboard navigation fails.
456    ///
457    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
458    ///
459    ///
460    ///
461    ///
462    /// #### `map`
463    ///  Emitted when @widget is going to be mapped.
464    ///
465    /// A widget is mapped when the widget is visible (which is controlled with
466    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
467    /// are also visible.
468    ///
469    /// The `::map` signal can be used to determine whether a widget will be drawn,
470    /// for instance it can resume an animation that was stopped during the
471    /// emission of [`unmap`][struct@crate::Widget#unmap].
472    ///
473    ///
474    ///
475    ///
476    /// #### `mnemonic-activate`
477    ///  Emitted when a widget is activated via a mnemonic.
478    ///
479    /// The default handler for this signal activates @widget if @group_cycling
480    /// is false, or just makes @widget grab focus if @group_cycling is true.
481    ///
482    ///
483    ///
484    ///
485    /// #### `move-focus`
486    ///   to move backward.
487    ///
488    /// Action
489    ///
490    ///
491    /// #### `query-tooltip`
492    ///  s tooltip is about to be shown.
493    ///
494    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
495    /// is true and the hover timeout has expired with the cursor hovering
496    /// above @widget; or emitted when @widget got focus in keyboard mode.
497    ///
498    /// Using the given coordinates, the signal handler should determine
499    /// whether a tooltip should be shown for @widget. If this is the case
500    /// true should be returned, false otherwise. Note that if @keyboard_mode
501    /// is true, the values of @x and @y are undefined and should not be used.
502    ///
503    /// The signal handler is free to manipulate @tooltip with the therefore
504    /// destined function calls.
505    ///
506    ///
507    ///
508    ///
509    /// #### `realize`
510    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
511    ///
512    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
513    /// or the widget has been mapped (that is, it is going to be drawn).
514    ///
515    ///
516    ///
517    ///
518    /// #### `show`
519    ///  Emitted when @widget is shown.
520    ///
521    ///
522    ///
523    ///
524    /// #### `state-flags-changed`
525    ///  Emitted when the widget state changes.
526    ///
527    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
528    ///
529    ///
530    ///
531    ///
532    /// #### `unmap`
533    ///  Emitted when @widget is going to be unmapped.
534    ///
535    /// A widget is unmapped when either it or any of its parents up to the
536    /// toplevel widget have been set as hidden.
537    ///
538    /// As `::unmap` indicates that a widget will not be shown any longer,
539    /// it can be used to, for example, stop an animation on the widget.
540    ///
541    ///
542    ///
543    ///
544    /// #### `unrealize`
545    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
546    ///
547    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
548    /// or the widget has been unmapped (that is, it is going to be hidden).
549    ///
550    ///
551    /// </details>
552    ///
553    /// # Implements
554    ///
555    /// [`ButtonExt`][trait@crate::prelude::ButtonExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`ActionableExt`][trait@crate::prelude::ActionableExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual], [`ActionableExtManual`][trait@crate::prelude::ActionableExtManual]
556    #[doc(alias = "GtkButton")]
557    pub struct Button(Object<ffi::GtkButton, ffi::GtkButtonClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Actionable;
558
559    match fn {
560        type_ => || ffi::gtk_button_get_type(),
561    }
562}
563
564#[cfg(not(feature = "v4_10"))]
565glib::wrapper! {
566    #[doc(alias = "GtkButton")]
567    pub struct Button(Object<ffi::GtkButton, ffi::GtkButtonClass>) @extends Widget, @implements Buildable, ConstraintTarget, Actionable;
568
569    match fn {
570        type_ => || ffi::gtk_button_get_type(),
571    }
572}
573
574impl Button {
575    pub const NONE: Option<&'static Button> = None;
576
577    /// Creates a new [`Button`][crate::Button] widget.
578    ///
579    /// To add a child widget to the button, use [`ButtonExt::set_child()`][crate::prelude::ButtonExt::set_child()].
580    ///
581    /// # Returns
582    ///
583    /// The newly created [`Button`][crate::Button] widget.
584    #[doc(alias = "gtk_button_new")]
585    pub fn new() -> Button {
586        assert_initialized_main_thread!();
587        unsafe { Widget::from_glib_none(ffi::gtk_button_new()).unsafe_cast() }
588    }
589
590    ///  icon will be
591    /// displayed instead. If the current icon theme is changed, the icon
592    /// will be updated appropriately.
593    /// ## `icon_name`
594    /// an icon name
595    ///
596    /// # Returns
597    ///
598    /// a new [`Button`][crate::Button] displaying the themed icon
599    #[doc(alias = "gtk_button_new_from_icon_name")]
600    #[doc(alias = "new_from_icon_name")]
601    pub fn from_icon_name(icon_name: &str) -> Button {
602        assert_initialized_main_thread!();
603        unsafe {
604            Widget::from_glib_none(ffi::gtk_button_new_from_icon_name(
605                icon_name.to_glib_none().0,
606            ))
607            .unsafe_cast()
608        }
609    }
610
611    /// Creates a [`Button`][crate::Button] widget with a [`Label`][crate::Label] child.
612    /// ## `label`
613    /// The text you want the [`Label`][crate::Label] to hold
614    ///
615    /// # Returns
616    ///
617    /// The newly created [`Button`][crate::Button] widget
618    #[doc(alias = "gtk_button_new_with_label")]
619    #[doc(alias = "new_with_label")]
620    pub fn with_label(label: &str) -> Button {
621        assert_initialized_main_thread!();
622        unsafe {
623            Widget::from_glib_none(ffi::gtk_button_new_with_label(label.to_glib_none().0))
624                .unsafe_cast()
625        }
626    }
627
628    ///  and that key
629    /// activates the button.
630    /// ## `label`
631    /// The text of the button, with an underscore in front of the
632    ///   mnemonic character
633    ///
634    /// # Returns
635    ///
636    /// a new [`Button`][crate::Button]
637    #[doc(alias = "gtk_button_new_with_mnemonic")]
638    #[doc(alias = "new_with_mnemonic")]
639    pub fn with_mnemonic(label: &str) -> Button {
640        assert_initialized_main_thread!();
641        unsafe {
642            Widget::from_glib_none(ffi::gtk_button_new_with_mnemonic(label.to_glib_none().0))
643                .unsafe_cast()
644        }
645    }
646
647    // rustdoc-stripper-ignore-next
648    /// Creates a new builder-pattern struct instance to construct [`Button`] objects.
649    ///
650    /// This method returns an instance of [`ButtonBuilder`](crate::builders::ButtonBuilder) which can be used to create [`Button`] objects.
651    pub fn builder() -> ButtonBuilder {
652        ButtonBuilder::new()
653    }
654}
655
656impl Default for Button {
657    fn default() -> Self {
658        Self::new()
659    }
660}
661
662// rustdoc-stripper-ignore-next
663/// A [builder-pattern] type to construct [`Button`] objects.
664///
665/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
666#[must_use = "The builder must be built to be used"]
667pub struct ButtonBuilder {
668    builder: glib::object::ObjectBuilder<'static, Button>,
669}
670
671impl ButtonBuilder {
672    fn new() -> Self {
673        Self {
674            builder: glib::object::Object::builder(),
675        }
676    }
677
678    /// Whether the size of the button can be made smaller than the natural
679    /// size of its contents.
680    ///
681    /// For text buttons, setting this property will allow ellipsizing the label.
682    ///
683    /// If the contents of a button are an icon or a custom widget, setting this
684    /// property has no effect.
685    #[cfg(feature = "v4_12")]
686    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
687    pub fn can_shrink(self, can_shrink: bool) -> Self {
688        Self {
689            builder: self.builder.property("can-shrink", can_shrink),
690        }
691    }
692
693    /// The child widget.
694    pub fn child(self, child: &impl IsA<Widget>) -> Self {
695        Self {
696            builder: self.builder.property("child", child.clone().upcast()),
697        }
698    }
699
700    /// Whether the button has a frame.
701    pub fn has_frame(self, has_frame: bool) -> Self {
702        Self {
703            builder: self.builder.property("has-frame", has_frame),
704        }
705    }
706
707    /// The name of the icon used to automatically populate the button.
708    pub fn icon_name(self, icon_name: impl Into<glib::GString>) -> Self {
709        Self {
710            builder: self.builder.property("icon-name", icon_name.into()),
711        }
712    }
713
714    /// Text of the label inside the button, if the button contains a label widget.
715    pub fn label(self, label: impl Into<glib::GString>) -> Self {
716        Self {
717            builder: self.builder.property("label", label.into()),
718        }
719    }
720
721    /// If set, an underline in the text indicates that the following character is
722    /// to be used as mnemonic.
723    pub fn use_underline(self, use_underline: bool) -> Self {
724        Self {
725            builder: self.builder.property("use-underline", use_underline),
726        }
727    }
728
729    /// Whether the widget or any of its descendents can accept
730    /// the input focus.
731    ///
732    /// This property is meant to be set by widget implementations,
733    /// typically in their instance init function.
734    pub fn can_focus(self, can_focus: bool) -> Self {
735        Self {
736            builder: self.builder.property("can-focus", can_focus),
737        }
738    }
739
740    /// Whether the widget can receive pointer events.
741    pub fn can_target(self, can_target: bool) -> Self {
742        Self {
743            builder: self.builder.property("can-target", can_target),
744        }
745    }
746
747    /// A list of css classes applied to this widget.
748    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
749        Self {
750            builder: self.builder.property("css-classes", css_classes.into()),
751        }
752    }
753
754    /// The name of this widget in the CSS tree.
755    ///
756    /// This property is meant to be set by widget implementations,
757    /// typically in their instance init function.
758    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
759        Self {
760            builder: self.builder.property("css-name", css_name.into()),
761        }
762    }
763
764    /// The cursor used by @widget.
765    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
766        Self {
767            builder: self.builder.property("cursor", cursor.clone()),
768        }
769    }
770
771    /// Whether the widget should grab focus when it is clicked with the mouse.
772    ///
773    /// This property is only relevant for widgets that can take focus.
774    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
775        Self {
776            builder: self.builder.property("focus-on-click", focus_on_click),
777        }
778    }
779
780    /// Whether this widget itself will accept the input focus.
781    pub fn focusable(self, focusable: bool) -> Self {
782        Self {
783            builder: self.builder.property("focusable", focusable),
784        }
785    }
786
787    /// How to distribute horizontal space if widget gets extra space.
788    pub fn halign(self, halign: Align) -> Self {
789        Self {
790            builder: self.builder.property("halign", halign),
791        }
792    }
793
794    /// Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
795    /// signal on @widget.
796    ///
797    /// A true value indicates that @widget can have a tooltip, in this case
798    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
799    /// determine whether it will provide a tooltip or not.
800    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
801        Self {
802            builder: self.builder.property("has-tooltip", has_tooltip),
803        }
804    }
805
806    /// Overrides for height request of the widget.
807    ///
808    /// If this is -1, the natural request will be used.
809    pub fn height_request(self, height_request: i32) -> Self {
810        Self {
811            builder: self.builder.property("height-request", height_request),
812        }
813    }
814
815    /// Whether to expand horizontally.
816    pub fn hexpand(self, hexpand: bool) -> Self {
817        Self {
818            builder: self.builder.property("hexpand", hexpand),
819        }
820    }
821
822    /// Whether to use the `hexpand` property.
823    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
824        Self {
825            builder: self.builder.property("hexpand-set", hexpand_set),
826        }
827    }
828
829    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute
830    /// the preferred size of the widget, and allocate its children.
831    ///
832    /// This property is meant to be set by widget implementations,
833    /// typically in their instance init function.
834    pub fn layout_manager(self, layout_manager: &impl IsA<LayoutManager>) -> Self {
835        Self {
836            builder: self
837                .builder
838                .property("layout-manager", layout_manager.clone().upcast()),
839        }
840    }
841
842    /// Makes this widget act like a modal dialog, with respect to
843    /// event delivery.
844    ///
845    /// Global event controllers will not handle events with targets
846    /// inside the widget, unless they are set up to ignore propagation
847    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
848    #[cfg(feature = "v4_18")]
849    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
850    pub fn limit_events(self, limit_events: bool) -> Self {
851        Self {
852            builder: self.builder.property("limit-events", limit_events),
853        }
854    }
855
856    /// Margin on bottom side of widget.
857    ///
858    /// This property adds margin outside of the widget's normal size
859    /// request, the margin will be added in addition to the size from
860    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
861    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
862        Self {
863            builder: self.builder.property("margin-bottom", margin_bottom),
864        }
865    }
866
867    /// Margin on end of widget, horizontally.
868    ///
869    /// This property supports left-to-right and right-to-left text
870    /// directions.
871    ///
872    /// This property adds margin outside of the widget's normal size
873    /// request, the margin will be added in addition to the size from
874    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
875    pub fn margin_end(self, margin_end: i32) -> Self {
876        Self {
877            builder: self.builder.property("margin-end", margin_end),
878        }
879    }
880
881    /// Margin on start of widget, horizontally.
882    ///
883    /// This property supports left-to-right and right-to-left text
884    /// directions.
885    ///
886    /// This property adds margin outside of the widget's normal size
887    /// request, the margin will be added in addition to the size from
888    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
889    pub fn margin_start(self, margin_start: i32) -> Self {
890        Self {
891            builder: self.builder.property("margin-start", margin_start),
892        }
893    }
894
895    /// Margin on top side of widget.
896    ///
897    /// This property adds margin outside of the widget's normal size
898    /// request, the margin will be added in addition to the size from
899    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
900    pub fn margin_top(self, margin_top: i32) -> Self {
901        Self {
902            builder: self.builder.property("margin-top", margin_top),
903        }
904    }
905
906    /// The name of the widget.
907    pub fn name(self, name: impl Into<glib::GString>) -> Self {
908        Self {
909            builder: self.builder.property("name", name.into()),
910        }
911    }
912
913    /// The requested opacity of the widget.
914    pub fn opacity(self, opacity: f64) -> Self {
915        Self {
916            builder: self.builder.property("opacity", opacity),
917        }
918    }
919
920    /// How content outside the widget's content area is treated.
921    ///
922    /// This property is meant to be set by widget implementations,
923    /// typically in their instance init function.
924    pub fn overflow(self, overflow: Overflow) -> Self {
925        Self {
926            builder: self.builder.property("overflow", overflow),
927        }
928    }
929
930    /// Whether the widget will receive the default action when it is focused.
931    pub fn receives_default(self, receives_default: bool) -> Self {
932        Self {
933            builder: self.builder.property("receives-default", receives_default),
934        }
935    }
936
937    /// Whether the widget responds to input.
938    pub fn sensitive(self, sensitive: bool) -> Self {
939        Self {
940            builder: self.builder.property("sensitive", sensitive),
941        }
942    }
943
944    /// Sets the text of tooltip to be the given string, which is marked up
945    /// with Pango markup.
946    ///
947    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
948    ///
949    /// This is a convenience property which will take care of getting the
950    /// tooltip shown if the given string is not `NULL`:
951    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
952    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
953    /// the default signal handler.
954    ///
955    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
956    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
957    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
958        Self {
959            builder: self
960                .builder
961                .property("tooltip-markup", tooltip_markup.into()),
962        }
963    }
964
965    /// Sets the text of tooltip to be the given string.
966    ///
967    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
968    ///
969    /// This is a convenience property which will take care of getting the
970    /// tooltip shown if the given string is not `NULL`:
971    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
972    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
973    /// the default signal handler.
974    ///
975    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
976    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
977    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
978        Self {
979            builder: self.builder.property("tooltip-text", tooltip_text.into()),
980        }
981    }
982
983    /// How to distribute vertical space if widget gets extra space.
984    pub fn valign(self, valign: Align) -> Self {
985        Self {
986            builder: self.builder.property("valign", valign),
987        }
988    }
989
990    /// Whether to expand vertically.
991    pub fn vexpand(self, vexpand: bool) -> Self {
992        Self {
993            builder: self.builder.property("vexpand", vexpand),
994        }
995    }
996
997    /// Whether to use the `vexpand` property.
998    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
999        Self {
1000            builder: self.builder.property("vexpand-set", vexpand_set),
1001        }
1002    }
1003
1004    /// Whether the widget is visible.
1005    pub fn visible(self, visible: bool) -> Self {
1006        Self {
1007            builder: self.builder.property("visible", visible),
1008        }
1009    }
1010
1011    /// Overrides for width request of the widget.
1012    ///
1013    /// If this is -1, the natural request will be used.
1014    pub fn width_request(self, width_request: i32) -> Self {
1015        Self {
1016            builder: self.builder.property("width-request", width_request),
1017        }
1018    }
1019
1020    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
1021    ///
1022    /// The accessible role cannot be changed once set.
1023    pub fn accessible_role(self, accessible_role: AccessibleRole) -> Self {
1024        Self {
1025            builder: self.builder.property("accessible-role", accessible_role),
1026        }
1027    }
1028
1029    /// The name of the action with which this widget should be associated.
1030    pub fn action_name(self, action_name: impl Into<glib::GString>) -> Self {
1031        Self {
1032            builder: self.builder.property("action-name", action_name.into()),
1033        }
1034    }
1035
1036    /// The target value of the actionable widget's action.
1037    pub fn action_target(self, action_target: &glib::Variant) -> Self {
1038        Self {
1039            builder: self
1040                .builder
1041                .property("action-target", action_target.clone()),
1042        }
1043    }
1044
1045    // rustdoc-stripper-ignore-next
1046    /// Build the [`Button`].
1047    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
1048    pub fn build(self) -> Button {
1049        assert_initialized_main_thread!();
1050        self.builder.build()
1051    }
1052}
1053
1054/// Trait containing all [`struct@Button`] methods.
1055///
1056/// # Implementors
1057///
1058/// [`Button`][struct@crate::Button], [`LinkButton`][struct@crate::LinkButton], [`LockButton`][struct@crate::LockButton], [`ToggleButton`][struct@crate::ToggleButton]
1059pub trait ButtonExt: IsA<Button> + 'static {
1060    /// Retrieves whether the button can be smaller than the natural
1061    /// size of its contents.
1062    ///
1063    /// # Returns
1064    ///
1065    /// true if the button can shrink, and false otherwise
1066    #[cfg(feature = "v4_12")]
1067    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1068    #[doc(alias = "gtk_button_get_can_shrink")]
1069    #[doc(alias = "get_can_shrink")]
1070    #[doc(alias = "can-shrink")]
1071    fn can_shrink(&self) -> bool {
1072        unsafe {
1073            from_glib(ffi::gtk_button_get_can_shrink(
1074                self.as_ref().to_glib_none().0,
1075            ))
1076        }
1077    }
1078
1079    /// Gets the child widget of @self.
1080    ///
1081    /// # Returns
1082    ///
1083    /// the child widget of @self
1084    #[doc(alias = "gtk_button_get_child")]
1085    #[doc(alias = "get_child")]
1086    fn child(&self) -> Option<Widget> {
1087        unsafe { from_glib_none(ffi::gtk_button_get_child(self.as_ref().to_glib_none().0)) }
1088    }
1089
1090    /// Returns whether the button has a frame.
1091    ///
1092    /// # Returns
1093    ///
1094    /// [`true`] if the button has a frame
1095    #[doc(alias = "gtk_button_get_has_frame")]
1096    #[doc(alias = "get_has_frame")]
1097    #[doc(alias = "has-frame")]
1098    fn has_frame(&self) -> bool {
1099        unsafe {
1100            from_glib(ffi::gtk_button_get_has_frame(
1101                self.as_ref().to_glib_none().0,
1102            ))
1103        }
1104    }
1105
1106    /// Returns the icon name of the button.
1107    ///
1108    /// If the icon name has not been set with [`set_icon_name()`][Self::set_icon_name()]
1109    /// the return value will be [`None`]. This will be the case if you create
1110    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
1111    ///
1112    /// # Returns
1113    ///
1114    /// The icon name set via [`set_icon_name()`][Self::set_icon_name()]
1115    #[doc(alias = "gtk_button_get_icon_name")]
1116    #[doc(alias = "get_icon_name")]
1117    #[doc(alias = "icon-name")]
1118    fn icon_name(&self) -> Option<glib::GString> {
1119        unsafe {
1120            from_glib_none(ffi::gtk_button_get_icon_name(
1121                self.as_ref().to_glib_none().0,
1122            ))
1123        }
1124    }
1125
1126    /// Fetches the text from the label of the button.
1127    ///
1128    /// If the label text has not been set with [`set_label()`][Self::set_label()]
1129    /// the return value will be [`None`]. This will be the case if you create
1130    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
1131    ///
1132    /// # Returns
1133    ///
1134    /// The text of the label widget. This string is owned
1135    /// by the widget and must not be modified or freed.
1136    #[doc(alias = "gtk_button_get_label")]
1137    #[doc(alias = "get_label")]
1138    fn label(&self) -> Option<glib::GString> {
1139        unsafe { from_glib_none(ffi::gtk_button_get_label(self.as_ref().to_glib_none().0)) }
1140    }
1141
1142    /// gets whether underlines are interpreted as mnemonics.
1143    ///
1144    /// See [`set_use_underline()`][Self::set_use_underline()].
1145    ///
1146    /// # Returns
1147    ///
1148    /// [`true`] if an embedded underline in the button label
1149    ///   indicates the mnemonic accelerator keys.
1150    #[doc(alias = "gtk_button_get_use_underline")]
1151    #[doc(alias = "get_use_underline")]
1152    #[doc(alias = "use-underline")]
1153    fn uses_underline(&self) -> bool {
1154        unsafe {
1155            from_glib(ffi::gtk_button_get_use_underline(
1156                self.as_ref().to_glib_none().0,
1157            ))
1158        }
1159    }
1160
1161    /// Sets whether the button size can be smaller than the natural size of
1162    /// its contents.
1163    ///
1164    /// For text buttons, setting @can_shrink to true will ellipsize the label.
1165    ///
1166    /// For icons and custom children, this function has no effect.
1167    /// ## `can_shrink`
1168    /// whether the button can shrink
1169    #[cfg(feature = "v4_12")]
1170    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1171    #[doc(alias = "gtk_button_set_can_shrink")]
1172    #[doc(alias = "can-shrink")]
1173    fn set_can_shrink(&self, can_shrink: bool) {
1174        unsafe {
1175            ffi::gtk_button_set_can_shrink(self.as_ref().to_glib_none().0, can_shrink.into_glib());
1176        }
1177    }
1178
1179    /// Sets the child widget of @self.
1180    ///
1181    /// Note that by using this API, you take full responsibility for setting
1182    /// up the proper accessibility label and description information for @self.
1183    /// Most likely, you'll either set the accessibility label or description
1184    /// for @self explicitly, or you'll set a labelled-by or described-by
1185    /// relations from @child to @self.
1186    /// ## `child`
1187    /// the child widget
1188    #[doc(alias = "gtk_button_set_child")]
1189    #[doc(alias = "child")]
1190    fn set_child(&self, child: Option<&impl IsA<Widget>>) {
1191        unsafe {
1192            ffi::gtk_button_set_child(
1193                self.as_ref().to_glib_none().0,
1194                child.map(|p| p.as_ref()).to_glib_none().0,
1195            );
1196        }
1197    }
1198
1199    /// Sets the style of the button.
1200    ///
1201    /// Buttons can have a flat appearance or have a frame drawn around them.
1202    /// ## `has_frame`
1203    /// whether the button should have a visible frame
1204    #[doc(alias = "gtk_button_set_has_frame")]
1205    #[doc(alias = "has-frame")]
1206    fn set_has_frame(&self, has_frame: bool) {
1207        unsafe {
1208            ffi::gtk_button_set_has_frame(self.as_ref().to_glib_none().0, has_frame.into_glib());
1209        }
1210    }
1211
1212    /// Adds a [`Image`][crate::Image] with the given icon name as a child.
1213    ///
1214    /// If @self already contains a child widget, that child widget will
1215    /// be removed and replaced with the image.
1216    /// ## `icon_name`
1217    /// An icon name
1218    #[doc(alias = "gtk_button_set_icon_name")]
1219    #[doc(alias = "icon-name")]
1220    fn set_icon_name(&self, icon_name: &str) {
1221        unsafe {
1222            ffi::gtk_button_set_icon_name(
1223                self.as_ref().to_glib_none().0,
1224                icon_name.to_glib_none().0,
1225            );
1226        }
1227    }
1228
1229    /// Sets the text of the label of the button to @label.
1230    ///
1231    /// This will also clear any previously set labels.
1232    /// ## `label`
1233    /// a string
1234    #[doc(alias = "gtk_button_set_label")]
1235    #[doc(alias = "label")]
1236    fn set_label(&self, label: &str) {
1237        unsafe {
1238            ffi::gtk_button_set_label(self.as_ref().to_glib_none().0, label.to_glib_none().0);
1239        }
1240    }
1241
1242    /// Sets whether to use underlines as mnemonics.
1243    ///
1244    /// If true, an underline in the text of the button label indicates
1245    /// the next character should be used for the mnemonic accelerator key.
1246    /// ## `use_underline`
1247    /// [`true`] if underlines in the text indicate mnemonics
1248    #[doc(alias = "gtk_button_set_use_underline")]
1249    #[doc(alias = "use-underline")]
1250    fn set_use_underline(&self, use_underline: bool) {
1251        unsafe {
1252            ffi::gtk_button_set_use_underline(
1253                self.as_ref().to_glib_none().0,
1254                use_underline.into_glib(),
1255            );
1256        }
1257    }
1258
1259    ///  keys.
1260    #[doc(alias = "activate")]
1261    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1262        unsafe extern "C" fn activate_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1263            this: *mut ffi::GtkButton,
1264            f: glib::ffi::gpointer,
1265        ) {
1266            unsafe {
1267                let f: &F = &*(f as *const F);
1268                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1269            }
1270        }
1271        unsafe {
1272            let f: Box_<F> = Box_::new(f);
1273            connect_raw(
1274                self.as_ptr() as *mut _,
1275                c"activate".as_ptr(),
1276                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1277                    activate_trampoline::<Self, F> as *const (),
1278                )),
1279                Box_::into_raw(f),
1280            )
1281        }
1282    }
1283
1284    fn emit_activate(&self) {
1285        self.emit_by_name::<()>("activate", &[]);
1286    }
1287
1288    /// Emitted when the button has been activated (pressed and released).
1289    #[doc(alias = "clicked")]
1290    fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1291        unsafe extern "C" fn clicked_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1292            this: *mut ffi::GtkButton,
1293            f: glib::ffi::gpointer,
1294        ) {
1295            unsafe {
1296                let f: &F = &*(f as *const F);
1297                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1298            }
1299        }
1300        unsafe {
1301            let f: Box_<F> = Box_::new(f);
1302            connect_raw(
1303                self.as_ptr() as *mut _,
1304                c"clicked".as_ptr(),
1305                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1306                    clicked_trampoline::<Self, F> as *const (),
1307                )),
1308                Box_::into_raw(f),
1309            )
1310        }
1311    }
1312
1313    fn emit_clicked(&self) {
1314        self.emit_by_name::<()>("clicked", &[]);
1315    }
1316
1317    #[cfg(feature = "v4_12")]
1318    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1319    #[doc(alias = "can-shrink")]
1320    fn connect_can_shrink_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1321        unsafe extern "C" fn notify_can_shrink_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1322            this: *mut ffi::GtkButton,
1323            _param_spec: glib::ffi::gpointer,
1324            f: glib::ffi::gpointer,
1325        ) {
1326            unsafe {
1327                let f: &F = &*(f as *const F);
1328                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1329            }
1330        }
1331        unsafe {
1332            let f: Box_<F> = Box_::new(f);
1333            connect_raw(
1334                self.as_ptr() as *mut _,
1335                c"notify::can-shrink".as_ptr(),
1336                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1337                    notify_can_shrink_trampoline::<Self, F> as *const (),
1338                )),
1339                Box_::into_raw(f),
1340            )
1341        }
1342    }
1343
1344    #[doc(alias = "child")]
1345    fn connect_child_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1346        unsafe extern "C" fn notify_child_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1347            this: *mut ffi::GtkButton,
1348            _param_spec: glib::ffi::gpointer,
1349            f: glib::ffi::gpointer,
1350        ) {
1351            unsafe {
1352                let f: &F = &*(f as *const F);
1353                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1354            }
1355        }
1356        unsafe {
1357            let f: Box_<F> = Box_::new(f);
1358            connect_raw(
1359                self.as_ptr() as *mut _,
1360                c"notify::child".as_ptr(),
1361                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1362                    notify_child_trampoline::<Self, F> as *const (),
1363                )),
1364                Box_::into_raw(f),
1365            )
1366        }
1367    }
1368
1369    #[doc(alias = "has-frame")]
1370    fn connect_has_frame_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1371        unsafe extern "C" fn notify_has_frame_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1372            this: *mut ffi::GtkButton,
1373            _param_spec: glib::ffi::gpointer,
1374            f: glib::ffi::gpointer,
1375        ) {
1376            unsafe {
1377                let f: &F = &*(f as *const F);
1378                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1379            }
1380        }
1381        unsafe {
1382            let f: Box_<F> = Box_::new(f);
1383            connect_raw(
1384                self.as_ptr() as *mut _,
1385                c"notify::has-frame".as_ptr(),
1386                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1387                    notify_has_frame_trampoline::<Self, F> as *const (),
1388                )),
1389                Box_::into_raw(f),
1390            )
1391        }
1392    }
1393
1394    #[doc(alias = "icon-name")]
1395    fn connect_icon_name_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1396        unsafe extern "C" fn notify_icon_name_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1397            this: *mut ffi::GtkButton,
1398            _param_spec: glib::ffi::gpointer,
1399            f: glib::ffi::gpointer,
1400        ) {
1401            unsafe {
1402                let f: &F = &*(f as *const F);
1403                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1404            }
1405        }
1406        unsafe {
1407            let f: Box_<F> = Box_::new(f);
1408            connect_raw(
1409                self.as_ptr() as *mut _,
1410                c"notify::icon-name".as_ptr(),
1411                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1412                    notify_icon_name_trampoline::<Self, F> as *const (),
1413                )),
1414                Box_::into_raw(f),
1415            )
1416        }
1417    }
1418
1419    #[doc(alias = "label")]
1420    fn connect_label_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1421        unsafe extern "C" fn notify_label_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1422            this: *mut ffi::GtkButton,
1423            _param_spec: glib::ffi::gpointer,
1424            f: glib::ffi::gpointer,
1425        ) {
1426            unsafe {
1427                let f: &F = &*(f as *const F);
1428                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1429            }
1430        }
1431        unsafe {
1432            let f: Box_<F> = Box_::new(f);
1433            connect_raw(
1434                self.as_ptr() as *mut _,
1435                c"notify::label".as_ptr(),
1436                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1437                    notify_label_trampoline::<Self, F> as *const (),
1438                )),
1439                Box_::into_raw(f),
1440            )
1441        }
1442    }
1443
1444    #[doc(alias = "use-underline")]
1445    fn connect_use_underline_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1446        unsafe extern "C" fn notify_use_underline_trampoline<
1447            P: IsA<Button>,
1448            F: Fn(&P) + 'static,
1449        >(
1450            this: *mut ffi::GtkButton,
1451            _param_spec: glib::ffi::gpointer,
1452            f: glib::ffi::gpointer,
1453        ) {
1454            unsafe {
1455                let f: &F = &*(f as *const F);
1456                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1457            }
1458        }
1459        unsafe {
1460            let f: Box_<F> = Box_::new(f);
1461            connect_raw(
1462                self.as_ptr() as *mut _,
1463                c"notify::use-underline".as_ptr(),
1464                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1465                    notify_use_underline_trampoline::<Self, F> as *const (),
1466                )),
1467                Box_::into_raw(f),
1468            )
1469        }
1470    }
1471}
1472
1473impl<O: IsA<Button>> ButtonExt for O {}