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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)
// DO NOT EDIT

use crate::Orientation;
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::{boxed::Box as Box_, fmt, mem::transmute};

glib::wrapper! {
    /// The [`Orientable`][crate::Orientable] interface is implemented by all widgets that can be
    /// oriented horizontally or vertically.
    ///
    /// [`Orientable`][crate::Orientable] is more flexible in that it allows the orientation to be
    /// changed at runtime, allowing the widgets to “flip”.
    ///
    /// ## CSS nodes
    ///
    /// [`Widget`][crate::Widget] types implementing the [`Orientable`][crate::Orientable] interface will
    /// automatically acquire the `horizontal` or `vertical` CSS class depending on
    /// the value of the [`orientation`][struct@crate::Orientable#orientation] property.
    ///
    /// ## Properties
    ///
    ///
    /// #### `orientation`
    ///  The orientation of the orientable.
    ///
    /// Readable | Writeable
    ///
    /// # Implements
    ///
    /// [`OrientableExt`][trait@crate::prelude::OrientableExt]
    #[doc(alias = "GtkOrientable")]
    pub struct Orientable(Interface<ffi::GtkOrientable, ffi::GtkOrientableIface>);

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

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

/// Trait containing all [`struct@Orientable`] methods.
///
/// # Implementors
///
/// [`BoxLayout`][struct@crate::BoxLayout], [`Box`][struct@crate::Box], [`CellAreaBox`][struct@crate::CellAreaBox], [`CellRendererProgress`][struct@crate::CellRendererProgress], [`CellView`][struct@crate::CellView], [`CenterBox`][struct@crate::CenterBox], [`FlowBox`][struct@crate::FlowBox], [`GridView`][struct@crate::GridView], [`Grid`][struct@crate::Grid], [`LevelBar`][struct@crate::LevelBar], [`ListBase`][struct@crate::ListBase], [`ListView`][struct@crate::ListView], [`Orientable`][struct@crate::Orientable], [`Paned`][struct@crate::Paned], [`ProgressBar`][struct@crate::ProgressBar], [`Range`][struct@crate::Range], [`ScaleButton`][struct@crate::ScaleButton], [`Scale`][struct@crate::Scale], [`Scrollbar`][struct@crate::Scrollbar], [`Separator`][struct@crate::Separator], [`ShortcutsGroup`][struct@crate::ShortcutsGroup], [`ShortcutsSection`][struct@crate::ShortcutsSection], [`SpinButton`][struct@crate::SpinButton], [`StackSwitcher`][struct@crate::StackSwitcher], [`VolumeButton`][struct@crate::VolumeButton]
pub trait OrientableExt: 'static {
    /// Retrieves the orientation of the @self.
    ///
    /// # Returns
    ///
    /// the orientation of the @self
    #[doc(alias = "gtk_orientable_get_orientation")]
    #[doc(alias = "get_orientation")]
    fn orientation(&self) -> Orientation;

    /// Sets the orientation of the @self.
    /// ## `orientation`
    /// the orientable’s new orientation
    #[doc(alias = "gtk_orientable_set_orientation")]
    fn set_orientation(&self, orientation: Orientation);

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

impl<O: IsA<Orientable>> OrientableExt for O {
    fn orientation(&self) -> Orientation {
        unsafe {
            from_glib(ffi::gtk_orientable_get_orientation(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn set_orientation(&self, orientation: Orientation) {
        unsafe {
            ffi::gtk_orientable_set_orientation(
                self.as_ref().to_glib_none().0,
                orientation.into_glib(),
            );
        }
    }

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

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