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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 glib::object::IsA;
use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// [`SymbolicPaintable`][crate::SymbolicPaintable] is an interface that support symbolic colors in
    /// paintables.
    ///
    /// [`gdk::Paintable`][crate::gdk::Paintable]s implementing the interface will have the
    /// `vfunc::Gtk::SymbolicPaintable::snapshot_symbolic` function called and
    /// have the colors for drawing symbolic icons passed. At least 4 colors are guaranteed
    /// to be passed every time.
    ///
    /// These 4 colors are the foreground color, and the colors to use for errors, warnings
    /// and success information in that order.
    ///
    /// More colors may be added in the future.
    ///
    /// # Implements
    ///
    /// [`SymbolicPaintableExt`][trait@crate::prelude::SymbolicPaintableExt], [`trait@gdk::prelude::PaintableExt`]
    #[doc(alias = "GtkSymbolicPaintable")]
    pub struct SymbolicPaintable(Interface<ffi::GtkSymbolicPaintable, ffi::GtkSymbolicPaintableInterface>) @requires gdk::Paintable;

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

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

/// Trait containing all [`struct@SymbolicPaintable`] methods.
///
/// # Implementors
///
/// [`IconPaintable`][struct@crate::IconPaintable], [`SymbolicPaintable`][struct@crate::SymbolicPaintable]
pub trait SymbolicPaintableExt: 'static {
    /// Snapshots the paintable with the given colors.
    ///
    /// If less than 4 colors are provided, GTK will pad the array with default
    /// colors.
    /// ## `snapshot`
    /// a [`gdk::Snapshot`][crate::gdk::Snapshot] to snapshot to
    /// ## `width`
    /// width to snapshot in
    /// ## `height`
    /// height to snapshot in
    /// ## `colors`
    /// a pointer to an array of colors
    #[doc(alias = "gtk_symbolic_paintable_snapshot_symbolic")]
    fn snapshot_symbolic(
        &self,
        snapshot: &impl IsA<gdk::Snapshot>,
        width: f64,
        height: f64,
        colors: &[gdk::RGBA],
    );
}

impl<O: IsA<SymbolicPaintable>> SymbolicPaintableExt for O {
    fn snapshot_symbolic(
        &self,
        snapshot: &impl IsA<gdk::Snapshot>,
        width: f64,
        height: f64,
        colors: &[gdk::RGBA],
    ) {
        let n_colors = colors.len() as _;
        unsafe {
            ffi::gtk_symbolic_paintable_snapshot_symbolic(
                self.as_ref().to_glib_none().0,
                snapshot.as_ref().to_glib_none().0,
                width,
                height,
                colors.to_glib_none().0,
                n_colors,
            );
        }
    }
}

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