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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::LayoutChild;
use crate::LayoutManager;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// [`LayoutChild`][crate::LayoutChild] subclass for children in a [`FixedLayout`][crate::FixedLayout].
    ///
    /// # Implements
    ///
    /// [`LayoutChildExt`][trait@crate::prelude::LayoutChildExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkFixedLayoutChild")]
    pub struct FixedLayoutChild(Object<ffi::GtkFixedLayoutChild, ffi::GtkFixedLayoutChildClass>) @extends LayoutChild;

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

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

    /// Retrieves the transformation of the child.
    ///
    /// # Returns
    ///
    /// a [`gsk::Transform`][crate::gsk::Transform]
    #[doc(alias = "gtk_fixed_layout_child_get_transform")]
    #[doc(alias = "get_transform")]
    pub fn transform(&self) -> Option<gsk::Transform> {
        unsafe {
            from_glib_none(ffi::gtk_fixed_layout_child_get_transform(
                self.to_glib_none().0,
            ))
        }
    }

    /// Sets the transformation of the child of a [`FixedLayout`][crate::FixedLayout].
    /// ## `transform`
    /// a [`gsk::Transform`][crate::gsk::Transform]
    #[doc(alias = "gtk_fixed_layout_child_set_transform")]
    pub fn set_transform(&self, transform: &gsk::Transform) {
        unsafe {
            ffi::gtk_fixed_layout_child_set_transform(
                self.to_glib_none().0,
                transform.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "transform")]
    pub fn connect_transform_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_transform_trampoline<F: Fn(&FixedLayoutChild) + 'static>(
            this: *mut ffi::GtkFixedLayoutChild,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::transform\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_transform_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`FixedLayoutChild`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
pub struct FixedLayoutChildBuilder {
    transform: Option<gsk::Transform>,
    child_widget: Option<Widget>,
    layout_manager: Option<LayoutManager>,
}

impl FixedLayoutChildBuilder {
    // rustdoc-stripper-ignore-next
    /// Create a new [`FixedLayoutChildBuilder`].
    pub fn new() -> Self {
        Self::default()
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`FixedLayoutChild`].
    pub fn build(self) -> FixedLayoutChild {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref transform) = self.transform {
            properties.push(("transform", transform));
        }
        if let Some(ref child_widget) = self.child_widget {
            properties.push(("child-widget", child_widget));
        }
        if let Some(ref layout_manager) = self.layout_manager {
            properties.push(("layout-manager", layout_manager));
        }
        glib::Object::new::<FixedLayoutChild>(&properties)
            .expect("Failed to create an instance of FixedLayoutChild")
    }

    /// The transform of the child.
    pub fn transform(mut self, transform: &gsk::Transform) -> Self {
        self.transform = Some(transform.clone());
        self
    }

    /// The widget that is associated to the [`LayoutChild`][crate::LayoutChild] instance.
    pub fn child_widget<P: IsA<Widget>>(mut self, child_widget: &P) -> Self {
        self.child_widget = Some(child_widget.clone().upcast());
        self
    }

    /// The layout manager that created the [`LayoutChild`][crate::LayoutChild] instance.
    pub fn layout_manager<P: IsA<LayoutManager>>(mut self, layout_manager: &P) -> Self {
        self.layout_manager = Some(layout_manager.clone().upcast());
        self
    }
}

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