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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 <AK/Function.h>
30#include <AK/String.h>
31#include <LibGUI/Forward.h>
32#include <LibGUI/Variant.h>
33
34class VBWidget;
35
36class VBProperty {
37 friend class VBWidget;
38
39public:
40 VBProperty(VBWidget&, const String& name, const GUI::Variant& value);
41 VBProperty(VBWidget&, const String& name, Function<GUI::Variant(const GUI::Widget&)>&& getter, Function<void(GUI::Widget&, const GUI::Variant&)>&& setter);
42 ~VBProperty();
43
44 String name() const { return m_name; }
45 const GUI::Variant& value() const { return m_value; }
46 void set_value(const GUI::Variant&);
47
48 bool is_readonly() const { return m_readonly; }
49 void set_readonly(bool b) { m_readonly = b; }
50
51 void sync();
52
53private:
54 VBWidget& m_widget;
55 String m_name;
56 GUI::Variant m_value;
57 Function<GUI::Variant(const GUI::Widget&)> m_getter;
58 Function<void(GUI::Widget&, const GUI::Variant&)> m_setter;
59 bool m_readonly { false };
60};