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/*
 * bz-themed-rect.vala
 *
 * Copyright 2026 Eva M
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

public class Bz.ThemedRect : Gtk.Widget {
    private Gdk.RGBA _light_rgba;
    private string? _light_string;
    public string? light_color {
        get { return _light_string; }
        set {
            if (value != null)
                _light_rgba.parse (value);
            _light_string = value;
        }
    }

    private Gdk.RGBA _dark_rgba;
    private string? _dark_string;
    public string? dark_color {
        get { return _dark_string; }
        set {
            if (value != null)
                _dark_rgba.parse (value);
            _dark_string = value;
        }
    }
    
    private Gtk.Widget? _child;
    public Gtk.Widget? child {
        get { return _child; }
        set {
            if (value == child)
                return;

            _child?.unparent ();

            _child = value;
            value?.set_parent (this);
        }
    }

    construct {
        Adw.StyleManager.get_default ().notify["dark"].connect (queue_draw);
    }

    static construct {
        set_layout_manager_type (typeof (Gtk.BinLayout));
        set_css_name ("BzThemedRect");
    }

    protected override void snapshot (Gtk.Snapshot snapshot) {
        var dark = Adw.StyleManager.get_default ().get_dark ();
        var color = dark ? _dark_string : _light_string;

        if (color != null) {
            var rgba = dark ? _dark_rgba : _light_rgba;
            snapshot.append_color (rgba, {{ 0, 0 }, { get_width (), get_height () }});
        }

        if (_child != null)
            snapshot_child (_child, snapshot);
    }

    protected override void dispose () {
        if (_child != null) {
            _child.unparent ();
            _child = null;
        }

        base.dispose ();
    }
}