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

use crate::AccessibleProperty;
use crate::AccessibleRelation;
use crate::AccessibleRole;
use crate::AccessibleState;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// [`Accessible`][crate::Accessible] is an interface for describing UI elements for
    /// Assistive Technologies.
    ///
    /// Every accessible implementation has:
    ///
    ///  - a “role”, represented by a value of the [`AccessibleRole`][crate::AccessibleRole] enumeration
    ///  - an “attribute”, represented by a set of [`AccessibleState`][crate::AccessibleState],
    ///    [`AccessibleProperty`][crate::AccessibleProperty] and [`AccessibleRelation`][crate::AccessibleRelation] values
    ///
    /// The role cannot be changed after instantiating a [`Accessible`][crate::Accessible]
    /// implementation.
    ///
    /// The attributes are updated every time a UI element's state changes in
    /// a way that should be reflected by assistive technologies. For instance,
    /// if a [`Widget`][crate::Widget] visibility changes, the [`AccessibleState::Hidden`][crate::AccessibleState::Hidden]
    /// state will also change to reflect the `property::Widget::visible` property.
    ///
    /// # Implements
    ///
    /// [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkAccessible")]
    pub struct Accessible(Interface<ffi::GtkAccessible, ffi::GtkAccessibleInterface>);

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

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

/// Trait containing all [`struct@Accessible`] methods.
///
/// # Implementors
///
/// [`AboutDialog`][struct@crate::AboutDialog], [`Accessible`][struct@crate::Accessible], [`ActionBar`][struct@crate::ActionBar], [`AppChooserButton`][struct@crate::AppChooserButton], [`AppChooserDialog`][struct@crate::AppChooserDialog], [`AppChooserWidget`][struct@crate::AppChooserWidget], [`ApplicationWindow`][struct@crate::ApplicationWindow], [`AspectFrame`][struct@crate::AspectFrame], [`Assistant`][struct@crate::Assistant], [`Box`][struct@crate::Box], [`Button`][struct@crate::Button], [`Calendar`][struct@crate::Calendar], [`CellView`][struct@crate::CellView], [`CenterBox`][struct@crate::CenterBox], [`CheckButton`][struct@crate::CheckButton], [`ColorButton`][struct@crate::ColorButton], [`ColorChooserDialog`][struct@crate::ColorChooserDialog], [`ColorChooserWidget`][struct@crate::ColorChooserWidget], [`ColumnView`][struct@crate::ColumnView], [`ComboBoxText`][struct@crate::ComboBoxText], [`ComboBox`][struct@crate::ComboBox], [`Dialog`][struct@crate::Dialog], [`DragIcon`][struct@crate::DragIcon], [`DrawingArea`][struct@crate::DrawingArea], [`DropDown`][struct@crate::DropDown], [`EditableLabel`][struct@crate::EditableLabel], [`EmojiChooser`][struct@crate::EmojiChooser], [`Entry`][struct@crate::Entry], [`Expander`][struct@crate::Expander], [`FileChooserDialog`][struct@crate::FileChooserDialog], [`FileChooserWidget`][struct@crate::FileChooserWidget], [`Fixed`][struct@crate::Fixed], [`FlowBoxChild`][struct@crate::FlowBoxChild], [`FlowBox`][struct@crate::FlowBox], [`FontButton`][struct@crate::FontButton], [`FontChooserDialog`][struct@crate::FontChooserDialog], [`FontChooserWidget`][struct@crate::FontChooserWidget], [`Frame`][struct@crate::Frame], [`GLArea`][struct@crate::GLArea], [`GridView`][struct@crate::GridView], [`Grid`][struct@crate::Grid], [`HeaderBar`][struct@crate::HeaderBar], [`IconView`][struct@crate::IconView], [`Image`][struct@crate::Image], [`InfoBar`][struct@crate::InfoBar], [`Label`][struct@crate::Label], [`LevelBar`][struct@crate::LevelBar], [`LinkButton`][struct@crate::LinkButton], [`ListBase`][struct@crate::ListBase], [`ListBoxRow`][struct@crate::ListBoxRow], [`ListBox`][struct@crate::ListBox], [`ListView`][struct@crate::ListView], [`LockButton`][struct@crate::LockButton], [`MediaControls`][struct@crate::MediaControls], [`MenuButton`][struct@crate::MenuButton], [`MessageDialog`][struct@crate::MessageDialog], [`Notebook`][struct@crate::Notebook], [`Overlay`][struct@crate::Overlay], [`PageSetupUnixDialog`][struct@crate::PageSetupUnixDialog], [`Paned`][struct@crate::Paned], [`PasswordEntry`][struct@crate::PasswordEntry], [`Picture`][struct@crate::Picture], [`PopoverMenuBar`][struct@crate::PopoverMenuBar], [`PopoverMenu`][struct@crate::PopoverMenu], [`Popover`][struct@crate::Popover], [`PrintUnixDialog`][struct@crate::PrintUnixDialog], [`ProgressBar`][struct@crate::ProgressBar], [`Range`][struct@crate::Range], [`Revealer`][struct@crate::Revealer], [`ScaleButton`][struct@crate::ScaleButton], [`Scale`][struct@crate::Scale], [`Scrollbar`][struct@crate::Scrollbar], [`ScrolledWindow`][struct@crate::ScrolledWindow], [`SearchBar`][struct@crate::SearchBar], [`SearchEntry`][struct@crate::SearchEntry], [`Separator`][struct@crate::Separator], [`ShortcutLabel`][struct@crate::ShortcutLabel], [`ShortcutsGroup`][struct@crate::ShortcutsGroup], [`ShortcutsSection`][struct@crate::ShortcutsSection], [`ShortcutsShortcut`][struct@crate::ShortcutsShortcut], [`ShortcutsWindow`][struct@crate::ShortcutsWindow], [`SpinButton`][struct@crate::SpinButton], [`Spinner`][struct@crate::Spinner], [`StackPage`][struct@crate::StackPage], [`StackSidebar`][struct@crate::StackSidebar], [`StackSwitcher`][struct@crate::StackSwitcher], [`Stack`][struct@crate::Stack], [`Statusbar`][struct@crate::Statusbar], [`Switch`][struct@crate::Switch], [`TextView`][struct@crate::TextView], [`Text`][struct@crate::Text], [`ToggleButton`][struct@crate::ToggleButton], [`TreeExpander`][struct@crate::TreeExpander], [`TreeView`][struct@crate::TreeView], [`Video`][struct@crate::Video], [`Viewport`][struct@crate::Viewport], [`VolumeButton`][struct@crate::VolumeButton], [`Widget`][struct@crate::Widget], [`WindowControls`][struct@crate::WindowControls], [`WindowHandle`][struct@crate::WindowHandle], [`Window`][struct@crate::Window]
pub trait AccessibleExt: 'static {
    /// Retrieves the [`AccessibleRole`][crate::AccessibleRole] for the given [`Accessible`][crate::Accessible].
    ///
    /// # Returns
    ///
    /// a [`AccessibleRole`][crate::AccessibleRole]
    #[doc(alias = "gtk_accessible_get_accessible_role")]
    #[doc(alias = "get_accessible_role")]
    fn accessible_role(&self) -> AccessibleRole;

    /// Resets the accessible @property to its default value.
    /// ## `property`
    /// a [`AccessibleProperty`][crate::AccessibleProperty]
    #[doc(alias = "gtk_accessible_reset_property")]
    fn reset_property(&self, property: AccessibleProperty);

    /// Resets the accessible @relation to its default value.
    /// ## `relation`
    /// a [`AccessibleRelation`][crate::AccessibleRelation]
    #[doc(alias = "gtk_accessible_reset_relation")]
    fn reset_relation(&self, relation: AccessibleRelation);

    /// Resets the accessible @state to its default value.
    /// ## `state`
    /// a [`AccessibleState`][crate::AccessibleState]
    #[doc(alias = "gtk_accessible_reset_state")]
    fn reset_state(&self, state: AccessibleState);

    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    #[doc(alias = "accessible-role")]
    fn set_accessible_role(&self, accessible_role: AccessibleRole);

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

impl<O: IsA<Accessible>> AccessibleExt for O {
    fn accessible_role(&self) -> AccessibleRole {
        unsafe {
            from_glib(ffi::gtk_accessible_get_accessible_role(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn reset_property(&self, property: AccessibleProperty) {
        unsafe {
            ffi::gtk_accessible_reset_property(
                self.as_ref().to_glib_none().0,
                property.into_glib(),
            );
        }
    }

    fn reset_relation(&self, relation: AccessibleRelation) {
        unsafe {
            ffi::gtk_accessible_reset_relation(
                self.as_ref().to_glib_none().0,
                relation.into_glib(),
            );
        }
    }

    fn reset_state(&self, state: AccessibleState) {
        unsafe {
            ffi::gtk_accessible_reset_state(self.as_ref().to_glib_none().0, state.into_glib());
        }
    }

    fn set_accessible_role(&self, accessible_role: AccessibleRole) {
        glib::ObjectExt::set_property(self.as_ref(), "accessible-role", &accessible_role)
    }

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

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