gtk4/auto/

button.rs

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::{
    ffi, Accessible, AccessibleRole, Actionable, Align, Buildable, ConstraintTarget, LayoutManager,
    Overflow, Widget,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// Calls a callback function when the button is clicked.
    ///
    /// <picture>
    ///   <source srcset="button-dark.png" media="(prefers-color-scheme: dark)">
    ///   <img alt="An example GtkButton" src="button.png">
    /// </picture>
    ///
    /// The [`Button`][crate::Button] widget can hold any valid child widget. That is, it can hold
    /// almost any other standard [`Widget`][crate::Widget]. The most commonly used child is the
    /// [`Label`][crate::Label].
    ///
    /// # Shortcuts and Gestures
    ///
    /// The following signals have default keybindings:
    ///
    /// - [`activate`][struct@crate::Button#activate]
    ///
    /// # CSS nodes
    ///
    /// [`Button`][crate::Button] has a single CSS node with name button. The node will get the
    /// style classes .image-button or .text-button, if the content is just an
    /// image or label, respectively. It may also receive the .flat style class.
    /// When activating a button via the keyboard, the button will temporarily
    /// gain the .keyboard-activating style class.
    ///
    /// Other style classes that are commonly used with [`Button`][crate::Button] include
    /// .suggested-action and .destructive-action. In special cases, buttons
    /// can be made round by adding the .circular style class.
    ///
    /// Button-like widgets like [`ToggleButton`][crate::ToggleButton], [`MenuButton`][crate::MenuButton],
    /// [`VolumeButton`][crate::VolumeButton], [`LockButton`][crate::LockButton], [`ColorButton`][crate::ColorButton]
    /// or [`FontButton`][crate::FontButton] use style classes such as .toggle, .popup, .scale,
    /// .lock, .color on the button node to differentiate themselves from a plain
    /// [`Button`][crate::Button].
    ///
    /// # Accessibility
    ///
    /// [`Button`][crate::Button] uses the [enum@Gtk.AccessibleRole.button] role.
    ///
    /// ## Properties
    ///
    ///
    /// #### `can-shrink`
    ///  Whether the size of the button can be made smaller than the natural
    /// size of its contents.
    ///
    /// For text buttons, setting this property will allow ellipsizing the label.
    ///
    /// If the contents of a button are an icon or a custom widget, setting this
    /// property has no effect.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `child`
    ///  The child widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `has-frame`
    ///  Whether the button has a frame.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `icon-name`
    ///  The name of the icon used to automatically populate the button.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `label`
    ///  Text of the label inside the button, if the button contains a label widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `use-underline`
    ///  If set, an underline in the text indicates that the following character is
    /// to be used as mnemonic.
    ///
    /// Readable | Writeable
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `can-focus`
    ///  Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `can-target`
    ///  Whether the widget can receive pointer events.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-classes`
    ///  A list of css classes applied to this widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-name`
    ///  The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `cursor`
    ///  The cursor used by @widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-on-click`
    ///  Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focusable`
    ///  Whether this widget itself will accept the input focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `has-default`
    ///  Whether the widget is the default widget.
    ///
    /// Readable
    ///
    ///
    /// #### `has-focus`
    ///  Whether the widget has the input focus.
    ///
    /// Readable
    ///
    ///
    /// #### `has-tooltip`
    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
    /// signal on @widget.
    ///
    /// A true value indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `height-request`
    ///  Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the `hexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `layout-manager`
    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
    /// the preferred size of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `limit-events`
    ///  Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-bottom`
    ///  Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-end`
    ///  Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-start`
    ///  Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-top`
    ///  Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `name`
    ///  The name of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `overflow`
    ///  How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `parent`
    ///  The parent widget of this widget.
    ///
    /// Readable
    ///
    ///
    /// #### `receives-default`
    ///  Whether the widget will receive the default action when it is focused.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `root`
    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
    ///
    /// This will be `NULL` if the widget is not contained in a root widget.
    ///
    /// Readable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the widget.
    ///
    /// Readable
    ///
    ///
    /// #### `sensitive`
    ///  Whether the widget responds to input.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-markup`
    ///  Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-text`
    ///  Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `valign`
    ///  How to distribute vertical space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the `vexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `visible`
    ///  Whether the widget is visible.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `width-request`
    ///  Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Accessible</h4></summary>
    ///
    ///
    /// #### `accessible-role`
    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Actionable</h4></summary>
    ///
    ///
    /// #### `action-name`
    ///  The name of the action with which this widget should be associated.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `action-target`
    ///  The target value of the actionable widget's action.
    ///
    /// Readable | Writeable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `activate`
    ///  Emitted to animate press then release.
    ///
    /// This is an action signal. Applications should never connect
    /// to this signal, but use the [`clicked`][struct@crate::Button#clicked] signal.
    ///
    /// The default bindings for this signal are all forms of the
    /// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
    ///
    /// Action
    ///
    ///
    /// #### `clicked`
    ///  Emitted when the button has been activated (pressed and released).
    ///
    /// Action
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `destroy`
    ///  Signals that all holders of a reference to the widget should release
    /// the reference that they hold.
    ///
    /// May result in finalization of the widget if all references are released.
    ///
    /// This signal is not suitable for saving widget state.
    ///
    ///
    ///
    ///
    /// #### `direction-changed`
    ///  Emitted when the text direction of a widget changes.
    ///
    ///
    ///
    ///
    /// #### `hide`
    ///  Emitted when @widget is hidden.
    ///
    ///
    ///
    ///
    /// #### `keynav-failed`
    ///  Emitted if keyboard navigation fails.
    ///
    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
    ///
    ///
    ///
    ///
    /// #### `map`
    ///  Emitted when @widget is going to be mapped.
    ///
    /// A widget is mapped when the widget is visible (which is controlled with
    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
    /// are also visible.
    ///
    /// The `::map` signal can be used to determine whether a widget will be drawn,
    /// for instance it can resume an animation that was stopped during the
    /// emission of [`unmap`][struct@crate::Widget#unmap].
    ///
    ///
    ///
    ///
    /// #### `mnemonic-activate`
    ///  Emitted when a widget is activated via a mnemonic.
    ///
    /// The default handler for this signal activates @widget if @group_cycling
    /// is false, or just makes @widget grab focus if @group_cycling is true.
    ///
    ///
    ///
    ///
    /// #### `move-focus`
    ///  Emitted when the focus is moved.
    ///
    /// The `::move-focus` signal is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are <kbd>Tab</kbd> to move forward,
    /// and <kbd>Shift</kbd>+<kbd>Tab</kbd> to move backward.
    ///
    /// Action
    ///
    ///
    /// #### `query-tooltip`
    ///  Emitted when the widget’s tooltip is about to be shown.
    ///
    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
    /// is true and the hover timeout has expired with the cursor hovering
    /// above @widget; or emitted when @widget got focus in keyboard mode.
    ///
    /// Using the given coordinates, the signal handler should determine
    /// whether a tooltip should be shown for @widget. If this is the case
    /// true should be returned, false otherwise. Note that if @keyboard_mode
    /// is true, the values of @x and @y are undefined and should not be used.
    ///
    /// The signal handler is free to manipulate @tooltip with the therefore
    /// destined function calls.
    ///
    ///
    ///
    ///
    /// #### `realize`
    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
    ///
    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
    /// or the widget has been mapped (that is, it is going to be drawn).
    ///
    ///
    ///
    ///
    /// #### `show`
    ///  Emitted when @widget is shown.
    ///
    ///
    ///
    ///
    /// #### `state-flags-changed`
    ///  Emitted when the widget state changes.
    ///
    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
    ///
    ///
    ///
    ///
    /// #### `unmap`
    ///  Emitted when @widget is going to be unmapped.
    ///
    /// A widget is unmapped when either it or any of its parents up to the
    /// toplevel widget have been set as hidden.
    ///
    /// As `::unmap` indicates that a widget will not be shown any longer,
    /// it can be used to, for example, stop an animation on the widget.
    ///
    ///
    ///
    ///
    /// #### `unrealize`
    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
    ///
    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
    /// or the widget has been unmapped (that is, it is going to be hidden).
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`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]
    #[doc(alias = "GtkButton")]
    pub struct Button(Object<ffi::GtkButton, ffi::GtkButtonClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Actionable;

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

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

    /// Creates a new [`Button`][crate::Button] widget.
    ///
    /// To add a child widget to the button, use [`ButtonExt::set_child()`][crate::prelude::ButtonExt::set_child()].
    ///
    /// # Returns
    ///
    /// The newly created [`Button`][crate::Button] widget.
    #[doc(alias = "gtk_button_new")]
    pub fn new() -> Button {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_button_new()).unsafe_cast() }
    }

    /// Creates a new button containing an icon from the current icon theme.
    ///
    /// If the icon name isn’t known, a “broken image” icon will be
    /// displayed instead. If the current icon theme is changed, the icon
    /// will be updated appropriately.
    /// ## `icon_name`
    /// an icon name
    ///
    /// # Returns
    ///
    /// a new [`Button`][crate::Button] displaying the themed icon
    #[doc(alias = "gtk_button_new_from_icon_name")]
    #[doc(alias = "new_from_icon_name")]
    pub fn from_icon_name(icon_name: &str) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_button_new_from_icon_name(
                icon_name.to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    /// Creates a [`Button`][crate::Button] widget with a [`Label`][crate::Label] child.
    /// ## `label`
    /// The text you want the [`Label`][crate::Label] to hold
    ///
    /// # Returns
    ///
    /// The newly created [`Button`][crate::Button] widget
    #[doc(alias = "gtk_button_new_with_label")]
    #[doc(alias = "new_with_label")]
    pub fn with_label(label: &str) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_button_new_with_label(label.to_glib_none().0))
                .unsafe_cast()
        }
    }

    /// Creates a new [`Button`][crate::Button] containing a label.
    ///
    /// If characters in @label are preceded by an underscore, they are underlined.
    /// If you need a literal underscore character in a label, use “__” (two
    /// underscores). The first underlined character represents a keyboard
    /// accelerator called a mnemonic. Pressing <kbd>Alt</kbd> and that key
    /// activates the button.
    /// ## `label`
    /// The text of the button, with an underscore in front of the
    ///   mnemonic character
    ///
    /// # Returns
    ///
    /// a new [`Button`][crate::Button]
    #[doc(alias = "gtk_button_new_with_mnemonic")]
    #[doc(alias = "new_with_mnemonic")]
    pub fn with_mnemonic(label: &str) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_button_new_with_mnemonic(label.to_glib_none().0))
                .unsafe_cast()
        }
    }

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

impl Default for Button {
    fn default() -> Self {
        Self::new()
    }
}

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`Button`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct ButtonBuilder {
    builder: glib::object::ObjectBuilder<'static, Button>,
}

impl ButtonBuilder {
    fn new() -> Self {
        Self {
            builder: glib::object::Object::builder(),
        }
    }

    /// Whether the size of the button can be made smaller than the natural
    /// size of its contents.
    ///
    /// For text buttons, setting this property will allow ellipsizing the label.
    ///
    /// If the contents of a button are an icon or a custom widget, setting this
    /// property has no effect.
    #[cfg(feature = "v4_12")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
    pub fn can_shrink(self, can_shrink: bool) -> Self {
        Self {
            builder: self.builder.property("can-shrink", can_shrink),
        }
    }

    /// The child widget.
    pub fn child(self, child: &impl IsA<Widget>) -> Self {
        Self {
            builder: self.builder.property("child", child.clone().upcast()),
        }
    }

    /// Whether the button has a frame.
    pub fn has_frame(self, has_frame: bool) -> Self {
        Self {
            builder: self.builder.property("has-frame", has_frame),
        }
    }

    /// The name of the icon used to automatically populate the button.
    pub fn icon_name(self, icon_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("icon-name", icon_name.into()),
        }
    }

    /// Text of the label inside the button, if the button contains a label widget.
    pub fn label(self, label: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("label", label.into()),
        }
    }

    /// If set, an underline in the text indicates that the following character is
    /// to be used as mnemonic.
    pub fn use_underline(self, use_underline: bool) -> Self {
        Self {
            builder: self.builder.property("use-underline", use_underline),
        }
    }

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

    /// Whether the widget can receive pointer events.
    pub fn can_target(self, can_target: bool) -> Self {
        Self {
            builder: self.builder.property("can-target", can_target),
        }
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
        Self {
            builder: self.builder.property("css-classes", css_classes.into()),
        }
    }

    /// The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("css-name", css_name.into()),
        }
    }

    /// The cursor used by @widget.
    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
        Self {
            builder: self.builder.property("cursor", cursor.clone()),
        }
    }

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

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(self, focusable: bool) -> Self {
        Self {
            builder: self.builder.property("focusable", focusable),
        }
    }

    /// How to distribute horizontal space if widget gets extra space.
    pub fn halign(self, halign: Align) -> Self {
        Self {
            builder: self.builder.property("halign", halign),
        }
    }

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

    /// Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(self, height_request: i32) -> Self {
        Self {
            builder: self.builder.property("height-request", height_request),
        }
    }

    /// Whether to expand horizontally.
    pub fn hexpand(self, hexpand: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand", hexpand),
        }
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand-set", hexpand_set),
        }
    }

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

    /// Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    #[cfg(feature = "v4_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
    pub fn limit_events(self, limit_events: bool) -> Self {
        Self {
            builder: self.builder.property("limit-events", limit_events),
        }
    }

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

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

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

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

    /// The name of the widget.
    pub fn name(self, name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("name", name.into()),
        }
    }

    /// The requested opacity of the widget.
    pub fn opacity(self, opacity: f64) -> Self {
        Self {
            builder: self.builder.property("opacity", opacity),
        }
    }

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

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(self, receives_default: bool) -> Self {
        Self {
            builder: self.builder.property("receives-default", receives_default),
        }
    }

    /// Whether the widget responds to input.
    pub fn sensitive(self, sensitive: bool) -> Self {
        Self {
            builder: self.builder.property("sensitive", sensitive),
        }
    }

    /// Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
        Self {
            builder: self
                .builder
                .property("tooltip-markup", tooltip_markup.into()),
        }
    }

    /// Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("tooltip-text", tooltip_text.into()),
        }
    }

    /// How to distribute vertical space if widget gets extra space.
    pub fn valign(self, valign: Align) -> Self {
        Self {
            builder: self.builder.property("valign", valign),
        }
    }

    /// Whether to expand vertically.
    pub fn vexpand(self, vexpand: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand", vexpand),
        }
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand-set", vexpand_set),
        }
    }

    /// Whether the widget is visible.
    pub fn visible(self, visible: bool) -> Self {
        Self {
            builder: self.builder.property("visible", visible),
        }
    }

    /// Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(self, width_request: i32) -> Self {
        Self {
            builder: self.builder.property("width-request", width_request),
        }
    }

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

    /// The name of the action with which this widget should be associated.
    pub fn action_name(self, action_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("action-name", action_name.into()),
        }
    }

    /// The target value of the actionable widget's action.
    pub fn action_target(self, action_target: &glib::Variant) -> Self {
        Self {
            builder: self
                .builder
                .property("action-target", action_target.clone()),
        }
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`Button`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> Button {
        assert_initialized_main_thread!();
        self.builder.build()
    }
}

/// Trait containing all [`struct@Button`] methods.
///
/// # Implementors
///
/// [`Button`][struct@crate::Button], [`LinkButton`][struct@crate::LinkButton], [`LockButton`][struct@crate::LockButton], [`ToggleButton`][struct@crate::ToggleButton]
pub trait ButtonExt: IsA<Button> + 'static {
    /// Retrieves whether the button can be smaller than the natural
    /// size of its contents.
    ///
    /// # Returns
    ///
    /// true if the button can shrink, and false otherwise
    #[cfg(feature = "v4_12")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
    #[doc(alias = "gtk_button_get_can_shrink")]
    #[doc(alias = "get_can_shrink")]
    #[doc(alias = "can-shrink")]
    fn can_shrink(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_button_get_can_shrink(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the child widget of @self.
    ///
    /// # Returns
    ///
    /// the child widget of @self
    #[doc(alias = "gtk_button_get_child")]
    #[doc(alias = "get_child")]
    fn child(&self) -> Option<Widget> {
        unsafe { from_glib_none(ffi::gtk_button_get_child(self.as_ref().to_glib_none().0)) }
    }

    /// Returns whether the button has a frame.
    ///
    /// # Returns
    ///
    /// [`true`] if the button has a frame
    #[doc(alias = "gtk_button_get_has_frame")]
    #[doc(alias = "get_has_frame")]
    #[doc(alias = "has-frame")]
    fn has_frame(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_button_get_has_frame(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the icon name of the button.
    ///
    /// If the icon name has not been set with [`set_icon_name()`][Self::set_icon_name()]
    /// the return value will be [`None`]. This will be the case if you create
    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
    ///
    /// # Returns
    ///
    /// The icon name set via [`set_icon_name()`][Self::set_icon_name()]
    #[doc(alias = "gtk_button_get_icon_name")]
    #[doc(alias = "get_icon_name")]
    #[doc(alias = "icon-name")]
    fn icon_name(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_button_get_icon_name(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Fetches the text from the label of the button.
    ///
    /// If the label text has not been set with [`set_label()`][Self::set_label()]
    /// the return value will be [`None`]. This will be the case if you create
    /// an empty button with [`Button::new()`][crate::Button::new()] to use as a container.
    ///
    /// # Returns
    ///
    /// The text of the label widget. This string is owned
    /// by the widget and must not be modified or freed.
    #[doc(alias = "gtk_button_get_label")]
    #[doc(alias = "get_label")]
    fn label(&self) -> Option<glib::GString> {
        unsafe { from_glib_none(ffi::gtk_button_get_label(self.as_ref().to_glib_none().0)) }
    }

    /// gets whether underlines are interpreted as mnemonics.
    ///
    /// See [`set_use_underline()`][Self::set_use_underline()].
    ///
    /// # Returns
    ///
    /// [`true`] if an embedded underline in the button label
    ///   indicates the mnemonic accelerator keys.
    #[doc(alias = "gtk_button_get_use_underline")]
    #[doc(alias = "get_use_underline")]
    #[doc(alias = "use-underline")]
    fn uses_underline(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_button_get_use_underline(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Sets whether the button size can be smaller than the natural size of
    /// its contents.
    ///
    /// For text buttons, setting @can_shrink to true will ellipsize the label.
    ///
    /// For icons and custom children, this function has no effect.
    /// ## `can_shrink`
    /// whether the button can shrink
    #[cfg(feature = "v4_12")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
    #[doc(alias = "gtk_button_set_can_shrink")]
    #[doc(alias = "can-shrink")]
    fn set_can_shrink(&self, can_shrink: bool) {
        unsafe {
            ffi::gtk_button_set_can_shrink(self.as_ref().to_glib_none().0, can_shrink.into_glib());
        }
    }

    /// Sets the child widget of @self.
    ///
    /// Note that by using this API, you take full responsibility for setting
    /// up the proper accessibility label and description information for @self.
    /// Most likely, you'll either set the accessibility label or description
    /// for @self explicitly, or you'll set a labelled-by or described-by
    /// relations from @child to @self.
    /// ## `child`
    /// the child widget
    #[doc(alias = "gtk_button_set_child")]
    #[doc(alias = "child")]
    fn set_child(&self, child: Option<&impl IsA<Widget>>) {
        unsafe {
            ffi::gtk_button_set_child(
                self.as_ref().to_glib_none().0,
                child.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Sets the style of the button.
    ///
    /// Buttons can have a flat appearance or have a frame drawn around them.
    /// ## `has_frame`
    /// whether the button should have a visible frame
    #[doc(alias = "gtk_button_set_has_frame")]
    #[doc(alias = "has-frame")]
    fn set_has_frame(&self, has_frame: bool) {
        unsafe {
            ffi::gtk_button_set_has_frame(self.as_ref().to_glib_none().0, has_frame.into_glib());
        }
    }

    /// Adds a [`Image`][crate::Image] with the given icon name as a child.
    ///
    /// If @self already contains a child widget, that child widget will
    /// be removed and replaced with the image.
    /// ## `icon_name`
    /// An icon name
    #[doc(alias = "gtk_button_set_icon_name")]
    #[doc(alias = "icon-name")]
    fn set_icon_name(&self, icon_name: &str) {
        unsafe {
            ffi::gtk_button_set_icon_name(
                self.as_ref().to_glib_none().0,
                icon_name.to_glib_none().0,
            );
        }
    }

    /// Sets the text of the label of the button to @label.
    ///
    /// This will also clear any previously set labels.
    /// ## `label`
    /// a string
    #[doc(alias = "gtk_button_set_label")]
    #[doc(alias = "label")]
    fn set_label(&self, label: &str) {
        unsafe {
            ffi::gtk_button_set_label(self.as_ref().to_glib_none().0, label.to_glib_none().0);
        }
    }

    /// Sets whether to use underlines as mnemonics.
    ///
    /// If true, an underline in the text of the button label indicates
    /// the next character should be used for the mnemonic accelerator key.
    /// ## `use_underline`
    /// [`true`] if underlines in the text indicate mnemonics
    #[doc(alias = "gtk_button_set_use_underline")]
    #[doc(alias = "use-underline")]
    fn set_use_underline(&self, use_underline: bool) {
        unsafe {
            ffi::gtk_button_set_use_underline(
                self.as_ref().to_glib_none().0,
                use_underline.into_glib(),
            );
        }
    }

    /// Emitted to animate press then release.
    ///
    /// This is an action signal. Applications should never connect
    /// to this signal, but use the [`clicked`][struct@crate::Button#clicked] signal.
    ///
    /// The default bindings for this signal are all forms of the
    /// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
    #[doc(alias = "activate")]
    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn activate_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkButton,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"activate".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    activate_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    /// Emitted when the button has been activated (pressed and released).
    #[doc(alias = "clicked")]
    fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn clicked_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkButton,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"clicked".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    clicked_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    #[cfg(feature = "v4_12")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_12")))]
    #[doc(alias = "can-shrink")]
    fn connect_can_shrink_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_can_shrink_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::can-shrink".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_can_shrink_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    #[doc(alias = "has-frame")]
    fn connect_has_frame_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_has_frame_trampoline<P: IsA<Button>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::has-frame".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_has_frame_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

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

    #[doc(alias = "use-underline")]
    fn connect_use_underline_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_use_underline_trampoline<
            P: IsA<Button>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::use-underline".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_use_underline_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<Button>> ButtonExt for O {}