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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    /// Calls a callback function when the button is clicked.
24    ///
25    /// <picture>
26    ///   <source srcset="button-dark.png" media="(prefers-color-scheme: dark)">
27    ///   <img alt="An example GtkButton" src="button.png">
28    /// </picture>
29    ///
30    /// The [`Button`][crate::Button] widget can hold any valid child widget. That is, it can hold
31    /// almost any other standard [`Widget`][crate::Widget]. The most commonly used child is the
32    /// [`Label`][crate::Label].
33    ///
34    /// # Shortcuts and Gestures
35    ///
36    /// The following signals have default keybindings:
37    ///
38    /// - [`activate`][struct@crate::Button#activate]
39    ///
40    /// # CSS nodes
41    ///
42    /// [`Button`][crate::Button] has a single CSS node with name button. The node will get the
43    /// style classes .image-button or .text-button, if the content is just an
44    /// image or label, respectively. It may also receive the .flat style class.
45    /// When activating a button via the keyboard, the button will temporarily
46    /// gain the .keyboard-activating style class.
47    ///
48    /// Other style classes that are commonly used with [`Button`][crate::Button] include
49    /// .suggested-action and .destructive-action. In special cases, buttons
50    /// can be made round by adding the .circular style class.
51    ///
52    /// Button-like widgets like [`ToggleButton`][crate::ToggleButton], [`MenuButton`][crate::MenuButton],
53    /// [`VolumeButton`][crate::VolumeButton], [`LockButton`][crate::LockButton], [`ColorButton`][crate::ColorButton]
54    /// or [`FontButton`][crate::FontButton] use style classes such as .toggle, .popup, .scale,
55    /// .lock, .color on the button node to differentiate themselves from a plain
56    /// [`Button`][crate::Button].
57    ///
58    /// # Accessibility
59    ///
60    /// [`Button`][crate::Button] uses the [enum@Gtk.AccessibleRole.button] role.
61    ///
62    /// ## Properties
63    ///
64    ///
65    /// #### `can-shrink`
66    ///  Whether the size of the button can be made smaller than the natural
67    /// size of its contents.
68    ///
69    /// For text buttons, setting this property will allow ellipsizing the label.
70    ///
71    /// If the contents of a button are an icon or a custom widget, setting this
72    /// property has no effect.
73    ///
74    /// Readable | Writable
75    ///
76    ///
77    /// #### `child`
78    ///  The child widget.
79    ///
80    /// Readable | Writable
81    ///
82    ///
83    /// #### `has-frame`
84    ///  Whether the button has a frame.
85    ///
86    /// Readable | Writable
87    ///
88    ///
89    /// #### `icon-name`
90    ///  The name of the icon used to automatically populate the button.
91    ///
92    /// Readable | Writable
93    ///
94    ///
95    /// #### `label`
96    ///  Text of the label inside the button, if the button contains a label widget.
97    ///
98    /// Readable | Writable
99    ///
100    ///
101    /// #### `use-underline`
102    ///  If set, an underline in the text indicates that the following character is
103    /// to be used as mnemonic.
104    ///
105    /// Readable | Writable
106    /// <details><summary><h4>Widget</h4></summary>
107    ///
108    ///
109    /// #### `can-focus`
110    ///  Whether the widget or any of its descendents can accept
111    /// the input focus.
112    ///
113    /// This property is meant to be set by widget implementations,
114    /// typically in their instance init function.
115    ///
116    /// Readable | Writable
117    ///
118    ///
119    /// #### `can-target`
120    ///  Whether the widget can receive pointer events.
121    ///
122    /// Readable | Writable
123    ///
124    ///
125    /// #### `css-classes`
126    ///  A list of css classes applied to this widget.
127    ///
128    /// Readable | Writable
129    ///
130    ///
131    /// #### `css-name`
132    ///  The name of this widget in the CSS tree.
133    ///
134    /// This property is meant to be set by widget implementations,
135    /// typically in their instance init function.
136    ///
137    /// Readable | Writable | Construct Only
138    ///
139    ///
140    /// #### `cursor`
141    ///  The cursor used by @widget.
142    ///
143    /// Readable | Writable
144    ///
145    ///
146    /// #### `focus-on-click`
147    ///  Whether the widget should grab focus when it is clicked with the mouse.
148    ///
149    /// This property is only relevant for widgets that can take focus.
150    ///
151    /// Readable | Writable
152    ///
153    ///
154    /// #### `focusable`
155    ///  Whether this widget itself will accept the input focus.
156    ///
157    /// Readable | Writable
158    ///
159    ///
160    /// #### `halign`
161    ///  How to distribute horizontal space if widget gets extra space.
162    ///
163    /// Readable | Writable
164    ///
165    ///
166    /// #### `has-default`
167    ///  Whether the widget is the default widget.
168    ///
169    /// Readable
170    ///
171    ///
172    /// #### `has-focus`
173    ///  Whether the widget has the input focus.
174    ///
175    /// Readable
176    ///
177    ///
178    /// #### `has-tooltip`
179    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
180    /// signal on @widget.
181    ///
182    /// A true value indicates that @widget can have a tooltip, in this case
183    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
184    /// determine whether it will provide a tooltip or not.
185    ///
186    /// Readable | Writable
187    ///
188    ///
189    /// #### `height-request`
190    ///  Overrides for height request of the widget.
191    ///
192    /// If this is -1, the natural request will be used.
193    ///
194    /// Readable | Writable
195    ///
196    ///
197    /// #### `hexpand`
198    ///  Whether to expand horizontally.
199    ///
200    /// Readable | Writable
201    ///
202    ///
203    /// #### `hexpand-set`
204    ///  Whether to use the `hexpand` property.
205    ///
206    /// Readable | Writable
207    ///
208    ///
209    /// #### `layout-manager`
210    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
211    /// the preferred size of the widget, and allocate its children.
212    ///
213    /// This property is meant to be set by widget implementations,
214    /// typically in their instance init function.
215    ///
216    /// Readable | Writable
217    ///
218    ///
219    /// #### `limit-events`
220    ///  Makes this widget act like a modal dialog, with respect to
221    /// event delivery.
222    ///
223    /// Global event controllers will not handle events with targets
224    /// inside the widget, unless they are set up to ignore propagation
225    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
226    ///
227    /// Readable | Writable
228    ///
229    ///
230    /// #### `margin-bottom`
231    ///  Margin on bottom side of widget.
232    ///
233    /// This property adds margin outside of the widget's normal size
234    /// request, the margin will be added in addition to the size from
235    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
236    ///
237    /// Readable | Writable
238    ///
239    ///
240    /// #### `margin-end`
241    ///  Margin on end of widget, horizontally.
242    ///
243    /// This property supports left-to-right and right-to-left text
244    /// directions.
245    ///
246    /// This property adds margin outside of the widget's normal size
247    /// request, the margin will be added in addition to the size from
248    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
249    ///
250    /// Readable | Writable
251    ///
252    ///
253    /// #### `margin-start`
254    ///  Margin on start of widget, horizontally.
255    ///
256    /// This property supports left-to-right and right-to-left text
257    /// directions.
258    ///
259    /// This property adds margin outside of the widget's normal size
260    /// request, the margin will be added in addition to the size from
261    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
262    ///
263    /// Readable | Writable
264    ///
265    ///
266    /// #### `margin-top`
267    ///  Margin on top side of widget.
268    ///
269    /// This property adds margin outside of the widget's normal size
270    /// request, the margin will be added in addition to the size from
271    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
272    ///
273    /// Readable | Writable
274    ///
275    ///
276    /// #### `name`
277    ///  The name of the widget.
278    ///
279    /// Readable | Writable
280    ///
281    ///
282    /// #### `opacity`
283    ///  The requested opacity of the widget.
284    ///
285    /// Readable | Writable
286    ///
287    ///
288    /// #### `overflow`
289    ///  How content outside the widget's content area is treated.
290    ///
291    /// This property is meant to be set by widget implementations,
292    /// typically in their instance init function.
293    ///
294    /// Readable | Writable
295    ///
296    ///
297    /// #### `parent`
298    ///  The parent widget of this widget.
299    ///
300    /// Readable
301    ///
302    ///
303    /// #### `receives-default`
304    ///  Whether the widget will receive the default action when it is focused.
305    ///
306    /// Readable | Writable
307    ///
308    ///
309    /// #### `root`
310    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
311    ///
312    /// This will be `NULL` if the widget is not contained in a root widget.
313    ///
314    /// Readable
315    ///
316    ///
317    /// #### `scale-factor`
318    ///  The scale factor of the widget.
319    ///
320    /// Readable
321    ///
322    ///
323    /// #### `sensitive`
324    ///  Whether the widget responds to input.
325    ///
326    /// Readable | Writable
327    ///
328    ///
329    /// #### `tooltip-markup`
330    ///  Sets the text of tooltip to be the given string, which is marked up
331    /// with Pango markup.
332    ///
333    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
334    ///
335    /// This is a convenience property which will take care of getting the
336    /// tooltip shown if the given string is not `NULL`:
337    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
338    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
339    /// the default signal handler.
340    ///
341    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
342    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
343    ///
344    /// Readable | Writable
345    ///
346    ///
347    /// #### `tooltip-text`
348    ///  Sets the text of tooltip to be the given string.
349    ///
350    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
351    ///
352    /// This is a convenience property which will take care of getting the
353    /// tooltip shown if the given string is not `NULL`:
354    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
355    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
356    /// the default signal handler.
357    ///
358    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
359    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
360    ///
361    /// Readable | Writable
362    ///
363    ///
364    /// #### `valign`
365    ///  How to distribute vertical space if widget gets extra space.
366    ///
367    /// Readable | Writable
368    ///
369    ///
370    /// #### `vexpand`
371    ///  Whether to expand vertically.
372    ///
373    /// Readable | Writable
374    ///
375    ///
376    /// #### `vexpand-set`
377    ///  Whether to use the `vexpand` property.
378    ///
379    /// Readable | Writable
380    ///
381    ///
382    /// #### `visible`
383    ///  Whether the widget is visible.
384    ///
385    /// Readable | Writable
386    ///
387    ///
388    /// #### `width-request`
389    ///  Overrides for width request of the widget.
390    ///
391    /// If this is -1, the natural request will be used.
392    ///
393    /// Readable | Writable
394    /// </details>
395    /// <details><summary><h4>Accessible</h4></summary>
396    ///
397    ///
398    /// #### `accessible-role`
399    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
400    ///
401    /// The accessible role cannot be changed once set.
402    ///
403    /// Readable | Writable
404    /// </details>
405    /// <details><summary><h4>Actionable</h4></summary>
406    ///
407    ///
408    /// #### `action-name`
409    ///  The name of the action with which this widget should be associated.
410    ///
411    /// Readable | Writable
412    ///
413    ///
414    /// #### `action-target`
415    ///  The target value of the actionable widget's action.
416    ///
417    /// Readable | Writable
418    /// </details>
419    ///
420    /// ## Signals
421    ///
422    ///
423    /// #### `activate`
424    ///  Emitted to animate press then release.
425    ///
426    /// This is an action signal. Applications should never connect
427    /// to this signal, but use the [`clicked`][struct@crate::Button#clicked] signal.
428    ///
429    /// The default bindings for this signal are all forms of the
430    /// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
431    ///
432    /// Action
433    ///
434    ///
435    /// #### `clicked`
436    ///  Emitted when the button has been activated (pressed and released).
437    ///
438    /// Action
439    /// <details><summary><h4>Widget</h4></summary>
440    ///
441    ///
442    /// #### `destroy`
443    ///  Signals that all holders of a reference to the widget should release
444    /// the reference that they hold.
445    ///
446    /// May result in finalization of the widget if all references are released.
447    ///
448    /// This signal is not suitable for saving widget state.
449    ///
450    ///
451    ///
452    ///
453    /// #### `direction-changed`
454    ///  Emitted when the text direction of a widget changes.
455    ///
456    ///
457    ///
458    ///
459    /// #### `hide`
460    ///  Emitted when @widget is hidden.
461    ///
462    ///
463    ///
464    ///
465    /// #### `keynav-failed`
466    ///  Emitted if keyboard navigation fails.
467    ///
468    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
469    ///
470    ///
471    ///
472    ///
473    /// #### `map`
474    ///  Emitted when @widget is going to be mapped.
475    ///
476    /// A widget is mapped when the widget is visible (which is controlled with
477    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
478    /// are also visible.
479    ///
480    /// The `::map` signal can be used to determine whether a widget will be drawn,
481    /// for instance it can resume an animation that was stopped during the
482    /// emission of [`unmap`][struct@crate::Widget#unmap].
483    ///
484    ///
485    ///
486    ///
487    /// #### `mnemonic-activate`
488    ///  Emitted when a widget is activated via a mnemonic.
489    ///
490    /// The default handler for this signal activates @widget if @group_cycling
491    /// is false, or just makes @widget grab focus if @group_cycling is true.
492    ///
493    ///
494    ///
495    ///
496    /// #### `move-focus`
497    ///  Emitted when the focus is moved.
498    ///
499    /// The `::move-focus` signal is a [keybinding signal](class.SignalAction.html).
500    ///
501    /// The default bindings for this signal are <kbd>Tab</kbd> to move forward,
502    /// and <kbd>Shift</kbd>+<kbd>Tab</kbd> to move backward.
503    ///
504    /// Action
505    ///
506    ///
507    /// #### `query-tooltip`
508    ///  Emitted when the widget’s tooltip is about to be shown.
509    ///
510    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
511    /// is true and the hover timeout has expired with the cursor hovering
512    /// above @widget; or emitted when @widget got focus in keyboard mode.
513    ///
514    /// Using the given coordinates, the signal handler should determine
515    /// whether a tooltip should be shown for @widget. If this is the case
516    /// true should be returned, false otherwise. Note that if @keyboard_mode
517    /// is true, the values of @x and @y are undefined and should not be used.
518    ///
519    /// The signal handler is free to manipulate @tooltip with the therefore
520    /// destined function calls.
521    ///
522    ///
523    ///
524    ///
525    /// #### `realize`
526    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
527    ///
528    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
529    /// or the widget has been mapped (that is, it is going to be drawn).
530    ///
531    ///
532    ///
533    ///
534    /// #### `show`
535    ///  Emitted when @widget is shown.
536    ///
537    ///
538    ///
539    ///
540    /// #### `state-flags-changed`
541    ///  Emitted when the widget state changes.
542    ///
543    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
544    ///
545    ///
546    ///
547    ///
548    /// #### `unmap`
549    ///  Emitted when @widget is going to be unmapped.
550    ///
551    /// A widget is unmapped when either it or any of its parents up to the
552    /// toplevel widget have been set as hidden.
553    ///
554    /// As `::unmap` indicates that a widget will not be shown any longer,
555    /// it can be used to, for example, stop an animation on the widget.
556    ///
557    ///
558    ///
559    ///
560    /// #### `unrealize`
561    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
562    ///
563    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
564    /// or the widget has been unmapped (that is, it is going to be hidden).
565    ///
566    ///
567    /// </details>
568    ///
569    /// # Implements
570    ///
571    /// [`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]
572    #[doc(alias = "GtkButton")]
573    pub struct Button(Object<ffi::GtkButton, ffi::GtkButtonClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Actionable;
574
575    match fn {
576        type_ => || ffi::gtk_button_get_type(),
577    }
578}
579
580#[cfg(not(feature = "v4_10"))]
581glib::wrapper! {
582    #[doc(alias = "GtkButton")]
583    pub struct Button(Object<ffi::GtkButton, ffi::GtkButtonClass>) @extends Widget, @implements Buildable, ConstraintTarget, Actionable;
584
585    match fn {
586        type_ => || ffi::gtk_button_get_type(),
587    }
588}
589
590impl Button {
591    pub const NONE: Option<&'static Button> = None;
592
593    /// Creates a new [`Button`][crate::Button] widget.
594    ///
595    /// To add a child widget to the button, use [`ButtonExt::set_child()`][crate::prelude::ButtonExt::set_child()].
596    ///
597    /// # Returns
598    ///
599    /// The newly created [`Button`][crate::Button] widget.
600    #[doc(alias = "gtk_button_new")]
601    pub fn new() -> Button {
602        assert_initialized_main_thread!();
603        unsafe { Widget::from_glib_none(ffi::gtk_button_new()).unsafe_cast() }
604    }
605
606    /// Creates a new button containing an icon from the current icon theme.
607    ///
608    /// If the icon name isn’t known, a “broken image” icon will be
609    /// displayed instead. If the current icon theme is changed, the icon
610    /// will be updated appropriately.
611    /// ## `icon_name`
612    /// an icon name
613    ///
614    /// # Returns
615    ///
616    /// a new [`Button`][crate::Button] displaying the themed icon
617    #[doc(alias = "gtk_button_new_from_icon_name")]
618    #[doc(alias = "new_from_icon_name")]
619    pub fn from_icon_name(icon_name: &str) -> Button {
620        assert_initialized_main_thread!();
621        unsafe {
622            Widget::from_glib_none(ffi::gtk_button_new_from_icon_name(
623                icon_name.to_glib_none().0,
624            ))
625            .unsafe_cast()
626        }
627    }
628
629    /// Creates a [`Button`][crate::Button] widget with a [`Label`][crate::Label] child.
630    /// ## `label`
631    /// The text you want the [`Label`][crate::Label] to hold
632    ///
633    /// # Returns
634    ///
635    /// The newly created [`Button`][crate::Button] widget
636    #[doc(alias = "gtk_button_new_with_label")]
637    #[doc(alias = "new_with_label")]
638    pub fn with_label(label: &str) -> Button {
639        assert_initialized_main_thread!();
640        unsafe {
641            Widget::from_glib_none(ffi::gtk_button_new_with_label(label.to_glib_none().0))
642                .unsafe_cast()
643        }
644    }
645
646    /// Creates a new [`Button`][crate::Button] containing a label.
647    ///
648    /// If characters in @label are preceded by an underscore, they are underlined.
649    /// If you need a literal underscore character in a label, use “__” (two
650    /// underscores). The first underlined character represents a keyboard
651    /// accelerator called a mnemonic. Pressing <kbd>Alt</kbd> and that key
652    /// activates the button.
653    /// ## `label`
654    /// The text of the button, with an underscore in front of the
655    ///   mnemonic character
656    ///
657    /// # Returns
658    ///
659    /// a new [`Button`][crate::Button]
660    #[doc(alias = "gtk_button_new_with_mnemonic")]
661    #[doc(alias = "new_with_mnemonic")]
662    pub fn with_mnemonic(label: &str) -> Button {
663        assert_initialized_main_thread!();
664        unsafe {
665            Widget::from_glib_none(ffi::gtk_button_new_with_mnemonic(label.to_glib_none().0))
666                .unsafe_cast()
667        }
668    }
669
670    // rustdoc-stripper-ignore-next
671    /// Creates a new builder-pattern struct instance to construct [`Button`] objects.
672    ///
673    /// This method returns an instance of [`ButtonBuilder`](crate::builders::ButtonBuilder) which can be used to create [`Button`] objects.
674    pub fn builder() -> ButtonBuilder {
675        ButtonBuilder::new()
676    }
677}
678
679impl Default for Button {
680    fn default() -> Self {
681        Self::new()
682    }
683}
684
685// rustdoc-stripper-ignore-next
686/// A [builder-pattern] type to construct [`Button`] objects.
687///
688/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
689#[must_use = "The builder must be built to be used"]
690pub struct ButtonBuilder {
691    builder: glib::object::ObjectBuilder<'static, Button>,
692}
693
694impl ButtonBuilder {
695    fn new() -> Self {
696        Self {
697            builder: glib::object::Object::builder(),
698        }
699    }
700
701    /// Whether the size of the button can be made smaller than the natural
702    /// size of its contents.
703    ///
704    /// For text buttons, setting this property will allow ellipsizing the label.
705    ///
706    /// If the contents of a button are an icon or a custom widget, setting this
707    /// property has no effect.
708    #[cfg(feature = "v4_12")]
709    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
710    pub fn can_shrink(self, can_shrink: bool) -> Self {
711        Self {
712            builder: self.builder.property("can-shrink", can_shrink),
713        }
714    }
715
716    /// The child widget.
717    pub fn child(self, child: &impl IsA<Widget>) -> Self {
718        Self {
719            builder: self.builder.property("child", child.clone().upcast()),
720        }
721    }
722
723    /// Whether the button has a frame.
724    pub fn has_frame(self, has_frame: bool) -> Self {
725        Self {
726            builder: self.builder.property("has-frame", has_frame),
727        }
728    }
729
730    /// The name of the icon used to automatically populate the button.
731    pub fn icon_name(self, icon_name: impl Into<glib::GString>) -> Self {
732        Self {
733            builder: self.builder.property("icon-name", icon_name.into()),
734        }
735    }
736
737    /// Text of the label inside the button, if the button contains a label widget.
738    pub fn label(self, label: impl Into<glib::GString>) -> Self {
739        Self {
740            builder: self.builder.property("label", label.into()),
741        }
742    }
743
744    /// If set, an underline in the text indicates that the following character is
745    /// to be used as mnemonic.
746    pub fn use_underline(self, use_underline: bool) -> Self {
747        Self {
748            builder: self.builder.property("use-underline", use_underline),
749        }
750    }
751
752    /// Whether the widget or any of its descendents can accept
753    /// the input focus.
754    ///
755    /// This property is meant to be set by widget implementations,
756    /// typically in their instance init function.
757    pub fn can_focus(self, can_focus: bool) -> Self {
758        Self {
759            builder: self.builder.property("can-focus", can_focus),
760        }
761    }
762
763    /// Whether the widget can receive pointer events.
764    pub fn can_target(self, can_target: bool) -> Self {
765        Self {
766            builder: self.builder.property("can-target", can_target),
767        }
768    }
769
770    /// A list of css classes applied to this widget.
771    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
772        Self {
773            builder: self.builder.property("css-classes", css_classes.into()),
774        }
775    }
776
777    /// The name of this widget in the CSS tree.
778    ///
779    /// This property is meant to be set by widget implementations,
780    /// typically in their instance init function.
781    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
782        Self {
783            builder: self.builder.property("css-name", css_name.into()),
784        }
785    }
786
787    /// The cursor used by @widget.
788    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
789        Self {
790            builder: self.builder.property("cursor", cursor.clone()),
791        }
792    }
793
794    /// Whether the widget should grab focus when it is clicked with the mouse.
795    ///
796    /// This property is only relevant for widgets that can take focus.
797    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
798        Self {
799            builder: self.builder.property("focus-on-click", focus_on_click),
800        }
801    }
802
803    /// Whether this widget itself will accept the input focus.
804    pub fn focusable(self, focusable: bool) -> Self {
805        Self {
806            builder: self.builder.property("focusable", focusable),
807        }
808    }
809
810    /// How to distribute horizontal space if widget gets extra space.
811    pub fn halign(self, halign: Align) -> Self {
812        Self {
813            builder: self.builder.property("halign", halign),
814        }
815    }
816
817    /// Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
818    /// signal on @widget.
819    ///
820    /// A true value indicates that @widget can have a tooltip, in this case
821    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
822    /// determine whether it will provide a tooltip or not.
823    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
824        Self {
825            builder: self.builder.property("has-tooltip", has_tooltip),
826        }
827    }
828
829    /// Overrides for height request of the widget.
830    ///
831    /// If this is -1, the natural request will be used.
832    pub fn height_request(self, height_request: i32) -> Self {
833        Self {
834            builder: self.builder.property("height-request", height_request),
835        }
836    }
837
838    /// Whether to expand horizontally.
839    pub fn hexpand(self, hexpand: bool) -> Self {
840        Self {
841            builder: self.builder.property("hexpand", hexpand),
842        }
843    }
844
845    /// Whether to use the `hexpand` property.
846    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
847        Self {
848            builder: self.builder.property("hexpand-set", hexpand_set),
849        }
850    }
851
852    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute
853    /// the preferred size of the widget, and allocate its children.
854    ///
855    /// This property is meant to be set by widget implementations,
856    /// typically in their instance init function.
857    pub fn layout_manager(self, layout_manager: &impl IsA<LayoutManager>) -> Self {
858        Self {
859            builder: self
860                .builder
861                .property("layout-manager", layout_manager.clone().upcast()),
862        }
863    }
864
865    /// Makes this widget act like a modal dialog, with respect to
866    /// event delivery.
867    ///
868    /// Global event controllers will not handle events with targets
869    /// inside the widget, unless they are set up to ignore propagation
870    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
871    #[cfg(feature = "v4_18")]
872    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
873    pub fn limit_events(self, limit_events: bool) -> Self {
874        Self {
875            builder: self.builder.property("limit-events", limit_events),
876        }
877    }
878
879    /// Margin on bottom side of widget.
880    ///
881    /// This property adds margin outside of the widget's normal size
882    /// request, the margin will be added in addition to the size from
883    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
884    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
885        Self {
886            builder: self.builder.property("margin-bottom", margin_bottom),
887        }
888    }
889
890    /// Margin on end of widget, horizontally.
891    ///
892    /// This property supports left-to-right and right-to-left text
893    /// directions.
894    ///
895    /// This property adds margin outside of the widget's normal size
896    /// request, the margin will be added in addition to the size from
897    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
898    pub fn margin_end(self, margin_end: i32) -> Self {
899        Self {
900            builder: self.builder.property("margin-end", margin_end),
901        }
902    }
903
904    /// Margin on start of widget, horizontally.
905    ///
906    /// This property supports left-to-right and right-to-left text
907    /// directions.
908    ///
909    /// This property adds margin outside of the widget's normal size
910    /// request, the margin will be added in addition to the size from
911    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
912    pub fn margin_start(self, margin_start: i32) -> Self {
913        Self {
914            builder: self.builder.property("margin-start", margin_start),
915        }
916    }
917
918    /// Margin on top side of widget.
919    ///
920    /// This property adds margin outside of the widget's normal size
921    /// request, the margin will be added in addition to the size from
922    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
923    pub fn margin_top(self, margin_top: i32) -> Self {
924        Self {
925            builder: self.builder.property("margin-top", margin_top),
926        }
927    }
928
929    /// The name of the widget.
930    pub fn name(self, name: impl Into<glib::GString>) -> Self {
931        Self {
932            builder: self.builder.property("name", name.into()),
933        }
934    }
935
936    /// The requested opacity of the widget.
937    pub fn opacity(self, opacity: f64) -> Self {
938        Self {
939            builder: self.builder.property("opacity", opacity),
940        }
941    }
942
943    /// How content outside the widget's content area is treated.
944    ///
945    /// This property is meant to be set by widget implementations,
946    /// typically in their instance init function.
947    pub fn overflow(self, overflow: Overflow) -> Self {
948        Self {
949            builder: self.builder.property("overflow", overflow),
950        }
951    }
952
953    /// Whether the widget will receive the default action when it is focused.
954    pub fn receives_default(self, receives_default: bool) -> Self {
955        Self {
956            builder: self.builder.property("receives-default", receives_default),
957        }
958    }
959
960    /// Whether the widget responds to input.
961    pub fn sensitive(self, sensitive: bool) -> Self {
962        Self {
963            builder: self.builder.property("sensitive", sensitive),
964        }
965    }
966
967    /// Sets the text of tooltip to be the given string, which is marked up
968    /// with Pango markup.
969    ///
970    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
971    ///
972    /// This is a convenience property which will take care of getting the
973    /// tooltip shown if the given string is not `NULL`:
974    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
975    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
976    /// the default signal handler.
977    ///
978    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
979    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
980    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
981        Self {
982            builder: self
983                .builder
984                .property("tooltip-markup", tooltip_markup.into()),
985        }
986    }
987
988    /// Sets the text of tooltip to be the given string.
989    ///
990    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
991    ///
992    /// This is a convenience property which will take care of getting the
993    /// tooltip shown if the given string is not `NULL`:
994    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
995    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
996    /// the default signal handler.
997    ///
998    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
999    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
1000    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
1001        Self {
1002            builder: self.builder.property("tooltip-text", tooltip_text.into()),
1003        }
1004    }
1005
1006    /// How to distribute vertical space if widget gets extra space.
1007    pub fn valign(self, valign: Align) -> Self {
1008        Self {
1009            builder: self.builder.property("valign", valign),
1010        }
1011    }
1012
1013    /// Whether to expand vertically.
1014    pub fn vexpand(self, vexpand: bool) -> Self {
1015        Self {
1016            builder: self.builder.property("vexpand", vexpand),
1017        }
1018    }
1019
1020    /// Whether to use the `vexpand` property.
1021    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
1022        Self {
1023            builder: self.builder.property("vexpand-set", vexpand_set),
1024        }
1025    }
1026
1027    /// Whether the widget is visible.
1028    pub fn visible(self, visible: bool) -> Self {
1029        Self {
1030            builder: self.builder.property("visible", visible),
1031        }
1032    }
1033
1034    /// Overrides for width request of the widget.
1035    ///
1036    /// If this is -1, the natural request will be used.
1037    pub fn width_request(self, width_request: i32) -> Self {
1038        Self {
1039            builder: self.builder.property("width-request", width_request),
1040        }
1041    }
1042
1043    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
1044    ///
1045    /// The accessible role cannot be changed once set.
1046    pub fn accessible_role(self, accessible_role: AccessibleRole) -> Self {
1047        Self {
1048            builder: self.builder.property("accessible-role", accessible_role),
1049        }
1050    }
1051
1052    /// The name of the action with which this widget should be associated.
1053    pub fn action_name(self, action_name: impl Into<glib::GString>) -> Self {
1054        Self {
1055            builder: self.builder.property("action-name", action_name.into()),
1056        }
1057    }
1058
1059    /// The target value of the actionable widget's action.
1060    pub fn action_target(self, action_target: &glib::Variant) -> Self {
1061        Self {
1062            builder: self
1063                .builder
1064                .property("action-target", action_target.clone()),
1065        }
1066    }
1067
1068    // rustdoc-stripper-ignore-next
1069    /// Build the [`Button`].
1070    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
1071    pub fn build(self) -> Button {
1072        assert_initialized_main_thread!();
1073        self.builder.build()
1074    }
1075}
1076
1077/// Trait containing all [`struct@Button`] methods.
1078///
1079/// # Implementors
1080///
1081/// [`Button`][struct@crate::Button], [`LinkButton`][struct@crate::LinkButton], [`LockButton`][struct@crate::LockButton], [`ToggleButton`][struct@crate::ToggleButton]
1082pub trait ButtonExt: IsA<Button> + 'static {
1083    /// Retrieves whether the button can be smaller than the natural
1084    /// size of its contents.
1085    ///
1086    /// # Returns
1087    ///
1088    /// true if the button can shrink, and false otherwise
1089    #[cfg(feature = "v4_12")]
1090    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1091    #[doc(alias = "gtk_button_get_can_shrink")]
1092    #[doc(alias = "get_can_shrink")]
1093    #[doc(alias = "can-shrink")]
1094    fn can_shrink(&self) -> bool {
1095        unsafe {
1096            from_glib(ffi::gtk_button_get_can_shrink(
1097                self.as_ref().to_glib_none().0,
1098            ))
1099        }
1100    }
1101
1102    /// Gets the child widget of @self.
1103    ///
1104    /// # Returns
1105    ///
1106    /// the child widget of @self
1107    #[doc(alias = "gtk_button_get_child")]
1108    #[doc(alias = "get_child")]
1109    fn child(&self) -> Option<Widget> {
1110        unsafe { from_glib_none(ffi::gtk_button_get_child(self.as_ref().to_glib_none().0)) }
1111    }
1112
1113    /// Returns whether the button has a frame.
1114    ///
1115    /// # Returns
1116    ///
1117    /// [`true`] if the button has a frame
1118    #[doc(alias = "gtk_button_get_has_frame")]
1119    #[doc(alias = "get_has_frame")]
1120    #[doc(alias = "has-frame")]
1121    fn has_frame(&self) -> bool {
1122        unsafe {
1123            from_glib(ffi::gtk_button_get_has_frame(
1124                self.as_ref().to_glib_none().0,
1125            ))
1126        }
1127    }
1128
1129    /// Returns the icon name of the button.
1130    ///
1131    /// If the icon name has not been set with [`set_icon_name()`][Self::set_icon_name()]
1132    /// the return value will be [`None`]. This will be the case if you create
1133    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
1134    ///
1135    /// # Returns
1136    ///
1137    /// The icon name set via [`set_icon_name()`][Self::set_icon_name()]
1138    #[doc(alias = "gtk_button_get_icon_name")]
1139    #[doc(alias = "get_icon_name")]
1140    #[doc(alias = "icon-name")]
1141    fn icon_name(&self) -> Option<glib::GString> {
1142        unsafe {
1143            from_glib_none(ffi::gtk_button_get_icon_name(
1144                self.as_ref().to_glib_none().0,
1145            ))
1146        }
1147    }
1148
1149    /// Fetches the text from the label of the button.
1150    ///
1151    /// If the label text has not been set with [`set_label()`][Self::set_label()]
1152    /// the return value will be [`None`]. This will be the case if you create
1153    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
1154    ///
1155    /// # Returns
1156    ///
1157    /// The text of the label widget. This string is owned
1158    /// by the widget and must not be modified or freed.
1159    #[doc(alias = "gtk_button_get_label")]
1160    #[doc(alias = "get_label")]
1161    fn label(&self) -> Option<glib::GString> {
1162        unsafe { from_glib_none(ffi::gtk_button_get_label(self.as_ref().to_glib_none().0)) }
1163    }
1164
1165    /// gets whether underlines are interpreted as mnemonics.
1166    ///
1167    /// See [`set_use_underline()`][Self::set_use_underline()].
1168    ///
1169    /// # Returns
1170    ///
1171    /// [`true`] if an embedded underline in the button label
1172    ///   indicates the mnemonic accelerator keys.
1173    #[doc(alias = "gtk_button_get_use_underline")]
1174    #[doc(alias = "get_use_underline")]
1175    #[doc(alias = "use-underline")]
1176    fn uses_underline(&self) -> bool {
1177        unsafe {
1178            from_glib(ffi::gtk_button_get_use_underline(
1179                self.as_ref().to_glib_none().0,
1180            ))
1181        }
1182    }
1183
1184    /// Sets whether the button size can be smaller than the natural size of
1185    /// its contents.
1186    ///
1187    /// For text buttons, setting @can_shrink to true will ellipsize the label.
1188    ///
1189    /// For icons and custom children, this function has no effect.
1190    /// ## `can_shrink`
1191    /// whether the button can shrink
1192    #[cfg(feature = "v4_12")]
1193    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1194    #[doc(alias = "gtk_button_set_can_shrink")]
1195    #[doc(alias = "can-shrink")]
1196    fn set_can_shrink(&self, can_shrink: bool) {
1197        unsafe {
1198            ffi::gtk_button_set_can_shrink(self.as_ref().to_glib_none().0, can_shrink.into_glib());
1199        }
1200    }
1201
1202    /// Sets the child widget of @self.
1203    ///
1204    /// Note that by using this API, you take full responsibility for setting
1205    /// up the proper accessibility label and description information for @self.
1206    /// Most likely, you'll either set the accessibility label or description
1207    /// for @self explicitly, or you'll set a labelled-by or described-by
1208    /// relations from @child to @self.
1209    /// ## `child`
1210    /// the child widget
1211    #[doc(alias = "gtk_button_set_child")]
1212    #[doc(alias = "child")]
1213    fn set_child(&self, child: Option<&impl IsA<Widget>>) {
1214        unsafe {
1215            ffi::gtk_button_set_child(
1216                self.as_ref().to_glib_none().0,
1217                child.map(|p| p.as_ref()).to_glib_none().0,
1218            );
1219        }
1220    }
1221
1222    /// Sets the style of the button.
1223    ///
1224    /// Buttons can have a flat appearance or have a frame drawn around them.
1225    /// ## `has_frame`
1226    /// whether the button should have a visible frame
1227    #[doc(alias = "gtk_button_set_has_frame")]
1228    #[doc(alias = "has-frame")]
1229    fn set_has_frame(&self, has_frame: bool) {
1230        unsafe {
1231            ffi::gtk_button_set_has_frame(self.as_ref().to_glib_none().0, has_frame.into_glib());
1232        }
1233    }
1234
1235    /// Adds a [`Image`][crate::Image] with the given icon name as a child.
1236    ///
1237    /// If @self already contains a child widget, that child widget will
1238    /// be removed and replaced with the image.
1239    /// ## `icon_name`
1240    /// An icon name
1241    #[doc(alias = "gtk_button_set_icon_name")]
1242    #[doc(alias = "icon-name")]
1243    fn set_icon_name(&self, icon_name: &str) {
1244        unsafe {
1245            ffi::gtk_button_set_icon_name(
1246                self.as_ref().to_glib_none().0,
1247                icon_name.to_glib_none().0,
1248            );
1249        }
1250    }
1251
1252    /// Sets the text of the label of the button to @label.
1253    ///
1254    /// This will also clear any previously set labels.
1255    /// ## `label`
1256    /// a string
1257    #[doc(alias = "gtk_button_set_label")]
1258    #[doc(alias = "label")]
1259    fn set_label(&self, label: &str) {
1260        unsafe {
1261            ffi::gtk_button_set_label(self.as_ref().to_glib_none().0, label.to_glib_none().0);
1262        }
1263    }
1264
1265    /// Sets whether to use underlines as mnemonics.
1266    ///
1267    /// If true, an underline in the text of the button label indicates
1268    /// the next character should be used for the mnemonic accelerator key.
1269    /// ## `use_underline`
1270    /// [`true`] if underlines in the text indicate mnemonics
1271    #[doc(alias = "gtk_button_set_use_underline")]
1272    #[doc(alias = "use-underline")]
1273    fn set_use_underline(&self, use_underline: bool) {
1274        unsafe {
1275            ffi::gtk_button_set_use_underline(
1276                self.as_ref().to_glib_none().0,
1277                use_underline.into_glib(),
1278            );
1279        }
1280    }
1281
1282    /// Emitted to animate press then release.
1283    ///
1284    /// This is an action signal. Applications should never connect
1285    /// to this signal, but use the [`clicked`][struct@crate::Button#clicked] signal.
1286    ///
1287    /// The default bindings for this signal are all forms of the
1288    /// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
1289    #[doc(alias = "activate")]
1290    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1291        unsafe extern "C" fn activate_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"activate".as_ptr(),
1305                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1306                    activate_trampoline::<Self, F> as *const (),
1307                )),
1308                Box_::into_raw(f),
1309            )
1310        }
1311    }
1312
1313    fn emit_activate(&self) {
1314        self.emit_by_name::<()>("activate", &[]);
1315    }
1316
1317    /// Emitted when the button has been activated (pressed and released).
1318    #[doc(alias = "clicked")]
1319    fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1320        unsafe extern "C" fn clicked_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1321            this: *mut ffi::GtkButton,
1322            f: glib::ffi::gpointer,
1323        ) {
1324            unsafe {
1325                let f: &F = &*(f as *const F);
1326                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1327            }
1328        }
1329        unsafe {
1330            let f: Box_<F> = Box_::new(f);
1331            connect_raw(
1332                self.as_ptr() as *mut _,
1333                c"clicked".as_ptr(),
1334                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1335                    clicked_trampoline::<Self, F> as *const (),
1336                )),
1337                Box_::into_raw(f),
1338            )
1339        }
1340    }
1341
1342    fn emit_clicked(&self) {
1343        self.emit_by_name::<()>("clicked", &[]);
1344    }
1345
1346    #[cfg(feature = "v4_12")]
1347    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
1348    #[doc(alias = "can-shrink")]
1349    fn connect_can_shrink_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1350        unsafe extern "C" fn notify_can_shrink_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1351            this: *mut ffi::GtkButton,
1352            _param_spec: glib::ffi::gpointer,
1353            f: glib::ffi::gpointer,
1354        ) {
1355            unsafe {
1356                let f: &F = &*(f as *const F);
1357                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1358            }
1359        }
1360        unsafe {
1361            let f: Box_<F> = Box_::new(f);
1362            connect_raw(
1363                self.as_ptr() as *mut _,
1364                c"notify::can-shrink".as_ptr(),
1365                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1366                    notify_can_shrink_trampoline::<Self, F> as *const (),
1367                )),
1368                Box_::into_raw(f),
1369            )
1370        }
1371    }
1372
1373    #[doc(alias = "child")]
1374    fn connect_child_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1375        unsafe extern "C" fn notify_child_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1376            this: *mut ffi::GtkButton,
1377            _param_spec: glib::ffi::gpointer,
1378            f: glib::ffi::gpointer,
1379        ) {
1380            unsafe {
1381                let f: &F = &*(f as *const F);
1382                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1383            }
1384        }
1385        unsafe {
1386            let f: Box_<F> = Box_::new(f);
1387            connect_raw(
1388                self.as_ptr() as *mut _,
1389                c"notify::child".as_ptr(),
1390                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1391                    notify_child_trampoline::<Self, F> as *const (),
1392                )),
1393                Box_::into_raw(f),
1394            )
1395        }
1396    }
1397
1398    #[doc(alias = "has-frame")]
1399    fn connect_has_frame_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1400        unsafe extern "C" fn notify_has_frame_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1401            this: *mut ffi::GtkButton,
1402            _param_spec: glib::ffi::gpointer,
1403            f: glib::ffi::gpointer,
1404        ) {
1405            unsafe {
1406                let f: &F = &*(f as *const F);
1407                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1408            }
1409        }
1410        unsafe {
1411            let f: Box_<F> = Box_::new(f);
1412            connect_raw(
1413                self.as_ptr() as *mut _,
1414                c"notify::has-frame".as_ptr(),
1415                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1416                    notify_has_frame_trampoline::<Self, F> as *const (),
1417                )),
1418                Box_::into_raw(f),
1419            )
1420        }
1421    }
1422
1423    #[doc(alias = "icon-name")]
1424    fn connect_icon_name_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1425        unsafe extern "C" fn notify_icon_name_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1426            this: *mut ffi::GtkButton,
1427            _param_spec: glib::ffi::gpointer,
1428            f: glib::ffi::gpointer,
1429        ) {
1430            unsafe {
1431                let f: &F = &*(f as *const F);
1432                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1433            }
1434        }
1435        unsafe {
1436            let f: Box_<F> = Box_::new(f);
1437            connect_raw(
1438                self.as_ptr() as *mut _,
1439                c"notify::icon-name".as_ptr(),
1440                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1441                    notify_icon_name_trampoline::<Self, F> as *const (),
1442                )),
1443                Box_::into_raw(f),
1444            )
1445        }
1446    }
1447
1448    #[doc(alias = "label")]
1449    fn connect_label_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1450        unsafe extern "C" fn notify_label_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
1451            this: *mut ffi::GtkButton,
1452            _param_spec: glib::ffi::gpointer,
1453            f: glib::ffi::gpointer,
1454        ) {
1455            unsafe {
1456                let f: &F = &*(f as *const F);
1457                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1458            }
1459        }
1460        unsafe {
1461            let f: Box_<F> = Box_::new(f);
1462            connect_raw(
1463                self.as_ptr() as *mut _,
1464                c"notify::label".as_ptr(),
1465                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1466                    notify_label_trampoline::<Self, F> as *const (),
1467                )),
1468                Box_::into_raw(f),
1469            )
1470        }
1471    }
1472
1473    #[doc(alias = "use-underline")]
1474    fn connect_use_underline_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
1475        unsafe extern "C" fn notify_use_underline_trampoline<
1476            P: IsA<Button>,
1477            F: Fn(&P) + 'static,
1478        >(
1479            this: *mut ffi::GtkButton,
1480            _param_spec: glib::ffi::gpointer,
1481            f: glib::ffi::gpointer,
1482        ) {
1483            unsafe {
1484                let f: &F = &*(f as *const F);
1485                f(Button::from_glib_borrow(this).unsafe_cast_ref())
1486            }
1487        }
1488        unsafe {
1489            let f: Box_<F> = Box_::new(f);
1490            connect_raw(
1491                self.as_ptr() as *mut _,
1492                c"notify::use-underline".as_ptr(),
1493                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
1494                    notify_use_underline_trampoline::<Self, F> as *const (),
1495                )),
1496                Box_::into_raw(f),
1497            )
1498        }
1499    }
1500}
1501
1502impl<O: IsA<Button>> ButtonExt for O {}