// 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::{Accessible, Buildable, ConstraintTarget, Widget};
use glib::{prelude::*, translate::*};
use std::{fmt, mem};

glib::wrapper! {
    /// [`Native`][crate::Native] is the interface implemented by all widgets that have
    /// their own [`gdk::Surface`][crate::gdk::Surface].
    ///
    /// The obvious example of a [`Native`][crate::Native] is [`Window`][crate::Window].
    ///
    /// Every widget that is not itself a [`Native`][crate::Native] is contained in one,
    /// and you can get it with [`WidgetExt::native()`][crate::prelude::WidgetExt::native()].
    ///
    /// To get the surface of a [`Native`][crate::Native], use [`NativeExt::surface()`][crate::prelude::NativeExt::surface()].
    /// It is also possible to find the [`Native`][crate::Native] to which a surface
    /// belongs, with [`for_surface()`][Self::for_surface()].
    ///
    /// In addition to a [`gdk::Surface`][crate::gdk::Surface], a [`Native`][crate::Native] also provides
    /// a [`gsk::Renderer`][crate::gsk::Renderer] for rendering on that surface. To get the
    /// renderer, use [`NativeExt::renderer()`][crate::prelude::NativeExt::renderer()].
    ///
    /// # Implements
    ///
    /// [`NativeExt`][trait@crate::prelude::NativeExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkNative")]
    pub struct Native(Interface<ffi::GtkNative, ffi::GtkNativeInterface>) @requires Widget, Accessible, Buildable, ConstraintTarget;

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

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

    /// Finds the [`Native`][crate::Native] associated with the surface.
    /// ## `surface`
    /// a [`gdk::Surface`][crate::gdk::Surface]
    ///
    /// # Returns
    ///
    /// the [`Native`][crate::Native] that is associated with @surface
    #[doc(alias = "gtk_native_get_for_surface")]
    #[doc(alias = "get_for_surface")]
    pub fn for_surface(surface: &impl IsA<gdk::Surface>) -> Option<Native> {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_none(ffi::gtk_native_get_for_surface(
                surface.as_ref().to_glib_none().0,
            ))
        }
    }
}

/// Trait containing all [`struct@Native`] methods.
///
/// # Implementors
///
/// [`AboutDialog`][struct@crate::AboutDialog], [`AppChooserDialog`][struct@crate::AppChooserDialog], [`ApplicationWindow`][struct@crate::ApplicationWindow], [`Assistant`][struct@crate::Assistant], [`ColorChooserDialog`][struct@crate::ColorChooserDialog], [`Dialog`][struct@crate::Dialog], [`DragIcon`][struct@crate::DragIcon], [`EmojiChooser`][struct@crate::EmojiChooser], [`FileChooserDialog`][struct@crate::FileChooserDialog], [`FontChooserDialog`][struct@crate::FontChooserDialog], [`MessageDialog`][struct@crate::MessageDialog], [`Native`][struct@crate::Native], [`PageSetupUnixDialog`][struct@crate::PageSetupUnixDialog], [`PopoverMenu`][struct@crate::PopoverMenu], [`Popover`][struct@crate::Popover], [`PrintUnixDialog`][struct@crate::PrintUnixDialog], [`Root`][struct@crate::Root], [`ShortcutsWindow`][struct@crate::ShortcutsWindow], [`Window`][struct@crate::Window]
pub trait NativeExt: 'static {
    /// Returns the renderer that is used for this [`Native`][crate::Native].
    ///
    /// # Returns
    ///
    /// the renderer for @self
    #[doc(alias = "gtk_native_get_renderer")]
    #[doc(alias = "get_renderer")]
    fn renderer(&self) -> gsk::Renderer;

    /// Returns the surface of this [`Native`][crate::Native].
    ///
    /// # Returns
    ///
    /// the surface of @self
    #[doc(alias = "gtk_native_get_surface")]
    #[doc(alias = "get_surface")]
    fn surface(&self) -> gdk::Surface;

    /// Retrieves the surface transform of @self.
    ///
    /// This is the translation from @self's surface coordinates into
    /// @self's widget coordinates.
    ///
    /// # Returns
    ///
    ///
    /// ## `x`
    /// return location for the x coordinate
    ///
    /// ## `y`
    /// return location for the y coordinate
    #[doc(alias = "gtk_native_get_surface_transform")]
    #[doc(alias = "get_surface_transform")]
    fn surface_transform(&self) -> (f64, f64);

    /// Realizes a [`Native`][crate::Native].
    ///
    /// This should only be used by subclasses.
    #[doc(alias = "gtk_native_realize")]
    fn realize(&self);

    /// Unrealizes a [`Native`][crate::Native].
    ///
    /// This should only be used by subclasses.
    #[doc(alias = "gtk_native_unrealize")]
    fn unrealize(&self);
}

impl<O: IsA<Native>> NativeExt for O {
    fn renderer(&self) -> gsk::Renderer {
        unsafe { from_glib_none(ffi::gtk_native_get_renderer(self.as_ref().to_glib_none().0)) }
    }

    fn surface(&self) -> gdk::Surface {
        unsafe { from_glib_none(ffi::gtk_native_get_surface(self.as_ref().to_glib_none().0)) }
    }

    fn surface_transform(&self) -> (f64, f64) {
        unsafe {
            let mut x = mem::MaybeUninit::uninit();
            let mut y = mem::MaybeUninit::uninit();
            ffi::gtk_native_get_surface_transform(
                self.as_ref().to_glib_none().0,
                x.as_mut_ptr(),
                y.as_mut_ptr(),
            );
            (x.assume_init(), y.assume_init())
        }
    }

    fn realize(&self) {
        unsafe {
            ffi::gtk_native_realize(self.as_ref().to_glib_none().0);
        }
    }

    fn unrealize(&self) {
        unsafe {
            ffi::gtk_native_unrealize(self.as_ref().to_glib_none().0);
        }
    }
}

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