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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#include <Kernel/KeyCode.h>
28#include <LibGUI/CheckBox.h>
29#include <LibGUI/Painter.h>
30#include <LibGfx/CharacterBitmap.h>
31#include <LibGfx/Font.h>
32#include <LibGfx/Palette.h>
33#include <LibGfx/StylePainter.h>
34
35namespace GUI {
36
37static const char* s_checked_bitmap_data = {
38 " "
39 " # "
40 " ## "
41 " ### "
42 " ## ### "
43 " ##### "
44 " ### "
45 " # "
46 " "
47};
48
49static Gfx::CharacterBitmap* s_checked_bitmap;
50static const int s_checked_bitmap_width = 9;
51static const int s_checked_bitmap_height = 9;
52static const int s_box_width = 13;
53static const int s_box_height = 13;
54
55CheckBox::CheckBox(const StringView& text)
56 : AbstractButton(text)
57{
58}
59
60CheckBox::~CheckBox()
61{
62}
63
64void CheckBox::paint_event(PaintEvent& event)
65{
66 Painter painter(*this);
67 painter.add_clip_rect(event.rect());
68
69 auto text_rect = rect();
70 text_rect.set_left(s_box_width + 4);
71 text_rect.set_width(font().width(text()));
72 text_rect.set_top(height() / 2 - font().glyph_height() / 2);
73 text_rect.set_height(font().glyph_height());
74
75 if (fill_with_background_color())
76 painter.fill_rect(rect(), palette().window());
77
78 Gfx::Rect box_rect {
79 0, height() / 2 - s_box_height / 2 - 1,
80 s_box_width, s_box_height
81 };
82 painter.fill_rect(box_rect, palette().base());
83 Gfx::StylePainter::paint_frame(painter, box_rect, palette(), Gfx::FrameShape::Container, Gfx::FrameShadow::Sunken, 2);
84
85 if (is_being_pressed())
86 painter.draw_rect(box_rect.shrunken(4, 4), Color::MidGray);
87
88 if (is_checked()) {
89 if (!s_checked_bitmap)
90 s_checked_bitmap = &Gfx::CharacterBitmap::create_from_ascii(s_checked_bitmap_data, s_checked_bitmap_width, s_checked_bitmap_height).leak_ref();
91 painter.draw_bitmap(box_rect.shrunken(4, 4).location(), *s_checked_bitmap, palette().base_text());
92 }
93
94 paint_text(painter, text_rect, font(), Gfx::TextAlignment::TopLeft);
95}
96
97void CheckBox::click()
98{
99 if (!is_enabled())
100 return;
101 set_checked(!is_checked());
102}
103
104}