jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <LibGUI/Model.h>
30#include <LibGUI/Painter.h>
31
32class WidgetTreeModel final : public GUI::Model {
33public:
34 static NonnullRefPtr<WidgetTreeModel> create(GUI::Widget& root) { return adopt(*new WidgetTreeModel(root)); }
35 virtual ~WidgetTreeModel() override;
36
37 virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
38 virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
39 virtual GUI::Variant data(const GUI::ModelIndex&, Role = Role::Display) const override;
40 virtual GUI::ModelIndex index(int row, int column, const GUI::ModelIndex& parent = GUI::ModelIndex()) const override;
41 virtual GUI::ModelIndex parent_index(const GUI::ModelIndex&) const override;
42 virtual void update() override;
43
44 GUI::ModelIndex index_for_widget(GUI::Widget&) const;
45
46private:
47 explicit WidgetTreeModel(GUI::Widget&);
48
49 NonnullRefPtr<GUI::Widget> m_root;
50 GUI::Icon m_widget_icon;
51};