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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::{LayoutManager, Widget};
use glib::{prelude::*, translate::*};
use std::fmt;
glib::wrapper! {
/// [`LayoutChild`][crate::LayoutChild] is the base class for objects that are meant to hold
/// layout properties.
///
/// If a [`LayoutManager`][crate::LayoutManager] has per-child properties, like their packing type,
/// or the horizontal and vertical span, or the icon name, then the layout
/// manager should use a [`LayoutChild`][crate::LayoutChild] implementation to store those properties.
///
/// A [`LayoutChild`][crate::LayoutChild] instance is only ever valid while a widget is part
/// of a layout.
///
/// This is an Abstract Base Class, you cannot instantiate it.
///
/// ## Properties
///
///
/// #### `child-widget`
/// The widget that is associated to the [`LayoutChild`][crate::LayoutChild] instance.
///
/// Readable | Writeable | Construct Only
///
///
/// #### `layout-manager`
/// The layout manager that created the [`LayoutChild`][crate::LayoutChild] instance.
///
/// Readable | Writeable | Construct Only
///
/// # Implements
///
/// [`LayoutChildExt`][trait@crate::prelude::LayoutChildExt], [`trait@glib::ObjectExt`]
#[doc(alias = "GtkLayoutChild")]
pub struct LayoutChild(Object<ffi::GtkLayoutChild, ffi::GtkLayoutChildClass>);
match fn {
type_ => || ffi::gtk_layout_child_get_type(),
}
}
impl LayoutChild {
pub const NONE: Option<&'static LayoutChild> = None;
}
/// Trait containing all [`struct@LayoutChild`] methods.
///
/// # Implementors
///
/// [`ConstraintLayoutChild`][struct@crate::ConstraintLayoutChild], [`FixedLayoutChild`][struct@crate::FixedLayoutChild], [`GridLayoutChild`][struct@crate::GridLayoutChild], [`LayoutChild`][struct@crate::LayoutChild], [`OverlayLayoutChild`][struct@crate::OverlayLayoutChild]
pub trait LayoutChildExt: 'static {
/// Retrieves the [`Widget`][crate::Widget] associated to the given @self.
///
/// # Returns
///
/// a [`Widget`][crate::Widget]
#[doc(alias = "gtk_layout_child_get_child_widget")]
#[doc(alias = "get_child_widget")]
fn child_widget(&self) -> Widget;
/// Retrieves the [`LayoutManager`][crate::LayoutManager] instance that created the
/// given @self.
///
/// # Returns
///
/// a [`LayoutManager`][crate::LayoutManager]
#[doc(alias = "gtk_layout_child_get_layout_manager")]
#[doc(alias = "get_layout_manager")]
fn layout_manager(&self) -> LayoutManager;
}
impl<O: IsA<LayoutChild>> LayoutChildExt for O {
fn child_widget(&self) -> Widget {
unsafe {
from_glib_none(ffi::gtk_layout_child_get_child_widget(
self.as_ref().to_glib_none().0,
))
}
}
fn layout_manager(&self) -> LayoutManager {
unsafe {
from_glib_none(ffi::gtk_layout_child_get_layout_manager(
self.as_ref().to_glib_none().0,
))
}
}
}
impl fmt::Display for LayoutChild {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("LayoutChild")
}
}