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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::BaselinePosition;
use crate::LayoutManager;
use crate::Orientation;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// [`CenterLayout`][crate::CenterLayout] is a layout manager that manages up to three children.
    ///
    /// The start widget is allocated at the start of the layout (left in
    /// left-to-right locales and right in right-to-left ones), and the end
    /// widget at the end.
    ///
    /// The center widget is centered regarding the full width of the layout's.
    ///
    /// # Implements
    ///
    /// [`LayoutManagerExt`][trait@crate::prelude::LayoutManagerExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkCenterLayout")]
    pub struct CenterLayout(Object<ffi::GtkCenterLayout, ffi::GtkCenterLayoutClass>) @extends LayoutManager;

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

impl CenterLayout {
    /// Creates a new [`CenterLayout`][crate::CenterLayout].
    ///
    /// # Returns
    ///
    /// the newly created [`CenterLayout`][crate::CenterLayout]
    #[doc(alias = "gtk_center_layout_new")]
    pub fn new() -> CenterLayout {
        assert_initialized_main_thread!();
        unsafe { LayoutManager::from_glib_full(ffi::gtk_center_layout_new()).unsafe_cast() }
    }

    /// Returns the baseline position of the layout.
    ///
    /// # Returns
    ///
    /// The current baseline position of `self`.
    #[doc(alias = "gtk_center_layout_get_baseline_position")]
    #[doc(alias = "get_baseline_position")]
    pub fn baseline_position(&self) -> BaselinePosition {
        unsafe {
            from_glib(ffi::gtk_center_layout_get_baseline_position(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns the center widget of the layout.
    ///
    /// # Returns
    ///
    /// the current center widget of `self`
    #[doc(alias = "gtk_center_layout_get_center_widget")]
    #[doc(alias = "get_center_widget")]
    pub fn center_widget(&self) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_center_layout_get_center_widget(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns the end widget of the layout.
    ///
    /// # Returns
    ///
    /// the current end widget of `self`
    #[doc(alias = "gtk_center_layout_get_end_widget")]
    #[doc(alias = "get_end_widget")]
    pub fn end_widget(&self) -> Option<Widget> {
        unsafe { from_glib_none(ffi::gtk_center_layout_get_end_widget(self.to_glib_none().0)) }
    }

    /// Gets the current orienration of the layout manager.
    ///
    /// # Returns
    ///
    /// The current orientation of `self`
    #[doc(alias = "gtk_center_layout_get_orientation")]
    #[doc(alias = "get_orientation")]
    pub fn orientation(&self) -> Orientation {
        unsafe {
            from_glib(ffi::gtk_center_layout_get_orientation(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns the start widget fo the layout.
    ///
    /// # Returns
    ///
    /// The current start widget of `self`
    #[doc(alias = "gtk_center_layout_get_start_widget")]
    #[doc(alias = "get_start_widget")]
    pub fn start_widget(&self) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_center_layout_get_start_widget(
                self.to_glib_none().0,
            ))
        }
    }

    /// Sets the new baseline position of `self`
    /// ## `baseline_position`
    /// the new baseline position
    #[doc(alias = "gtk_center_layout_set_baseline_position")]
    pub fn set_baseline_position(&self, baseline_position: BaselinePosition) {
        unsafe {
            ffi::gtk_center_layout_set_baseline_position(
                self.to_glib_none().0,
                baseline_position.into_glib(),
            );
        }
    }

    /// Sets the new center widget of `self`.
    ///
    /// To remove the existing center widget, pass [`None`].
    /// ## `widget`
    /// the new center widget
    #[doc(alias = "gtk_center_layout_set_center_widget")]
    pub fn set_center_widget<P: IsA<Widget>>(&self, widget: Option<&P>) {
        unsafe {
            ffi::gtk_center_layout_set_center_widget(
                self.to_glib_none().0,
                widget.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Sets the new end widget of `self`.
    ///
    /// To remove the existing center widget, pass [`None`].
    /// ## `widget`
    /// the new end widget
    #[doc(alias = "gtk_center_layout_set_end_widget")]
    pub fn set_end_widget<P: IsA<Widget>>(&self, widget: Option<&P>) {
        unsafe {
            ffi::gtk_center_layout_set_end_widget(
                self.to_glib_none().0,
                widget.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Sets the orientation of `self`.
    /// ## `orientation`
    /// the new orientation
    #[doc(alias = "gtk_center_layout_set_orientation")]
    pub fn set_orientation(&self, orientation: Orientation) {
        unsafe {
            ffi::gtk_center_layout_set_orientation(self.to_glib_none().0, orientation.into_glib());
        }
    }

    /// Sets the new start widget of `self`.
    ///
    /// To remove the existing start widget, pass [`None`].
    /// ## `widget`
    /// the new start widget
    #[doc(alias = "gtk_center_layout_set_start_widget")]
    pub fn set_start_widget<P: IsA<Widget>>(&self, widget: Option<&P>) {
        unsafe {
            ffi::gtk_center_layout_set_start_widget(
                self.to_glib_none().0,
                widget.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }
}

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

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