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 <LibGfx/Bitmap.h>
32#include <LibGfx/StylePainter.h>
33#include <LibGfx/TextAlignment.h>
34#include <LibGUI/AbstractButton.h>
35
36namespace GUI {
37
38class Button : public AbstractButton {
39 C_OBJECT(Button)
40public:
41 virtual ~Button() override;
42
43 void set_icon(RefPtr<Gfx::Bitmap>&&);
44 const Gfx::Bitmap* icon() const { return m_icon.ptr(); }
45 Gfx::Bitmap* icon() { return m_icon.ptr(); }
46
47 void set_text_alignment(Gfx::TextAlignment text_alignment) { m_text_alignment = text_alignment; }
48 Gfx::TextAlignment text_alignment() const { return m_text_alignment; }
49
50 Function<void(Button&)> on_click;
51
52 void set_button_style(Gfx::ButtonStyle style) { m_button_style = style; }
53 Gfx::ButtonStyle button_style() const { return m_button_style; }
54
55 virtual void click() override;
56
57 void set_action(Action&);
58
59 virtual bool accepts_focus() const override { return m_focusable; }
60 virtual bool is_uncheckable() const override;
61
62 void set_focusable(bool b) { m_focusable = b; }
63
64protected:
65 explicit Button(const StringView& text = {});
66 virtual void paint_event(PaintEvent&) override;
67
68private:
69 RefPtr<Gfx::Bitmap> m_icon;
70 Gfx::ButtonStyle m_button_style { Gfx::ButtonStyle::Normal };
71 Gfx::TextAlignment m_text_alignment { Gfx::TextAlignment::Center };
72 WeakPtr<Action> m_action;
73 bool m_focusable { true };
74};
75
76}