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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 <LibGUI/BoxLayout.h>
28#include <LibGUI/Button.h>
29#include <LibGUI/ColorPicker.h>
30#include <LibGUI/Frame.h>
31#include <LibGUI/SpinBox.h>
32#include <LibGUI/Widget.h>
33#include <LibGfx/Palette.h>
34
35namespace GUI {
36
37ColorPicker::ColorPicker(Color color, Core::Object* parent)
38 : Dialog(parent)
39 , m_color(color)
40{
41 set_title("Edit Color");
42 build();
43}
44
45ColorPicker::~ColorPicker()
46{
47}
48
49void ColorPicker::build()
50{
51 auto horizontal_container = Widget::construct();
52 horizontal_container->set_fill_with_background_color(true);
53 horizontal_container->set_layout(make<HorizontalBoxLayout>());
54 horizontal_container->layout()->set_margins({ 4, 4, 4, 4 });
55 set_main_widget(horizontal_container);
56
57 auto left_vertical_container = horizontal_container->add<Widget>();
58 left_vertical_container->set_layout(make<VerticalBoxLayout>());
59
60 auto right_vertical_container = horizontal_container->add<Widget>();
61 right_vertical_container->set_layout(make<VerticalBoxLayout>());
62
63 enum RGBComponent {
64 Red,
65 Green,
66 Blue
67 };
68
69 m_preview_widget = right_vertical_container->add<Frame>();
70 auto pal = m_preview_widget->palette();
71 pal.set_color(ColorRole::Background, m_color);
72 m_preview_widget->set_fill_with_background_color(true);
73 m_preview_widget->set_palette(pal);
74 right_vertical_container->layout()->add_spacer();
75 auto cancel_button = right_vertical_container->add<Button>("Cancel");
76 cancel_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
77 cancel_button->set_preferred_size(0, 20);
78 cancel_button->on_click = [&](auto&) {
79 done(Dialog::ExecCancel);
80 };
81 auto ok_button = right_vertical_container->add<Button>("Okay");
82 ok_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
83 ok_button->set_preferred_size(0, 20);
84 ok_button->on_click = [&](auto&) {
85 done(Dialog::ExecOK);
86 };
87
88 auto make_spinbox = [&](RGBComponent component, int initial_value) {
89 auto spinbox = left_vertical_container->add<SpinBox>();
90 spinbox->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
91 spinbox->set_preferred_size(0, 20);
92 spinbox->set_min(0);
93 spinbox->set_max(255);
94 spinbox->set_value(initial_value);
95
96 spinbox->on_change = [this, component](auto value) {
97 if (component == Red)
98 m_color.set_red(value);
99 if (component == Green)
100 m_color.set_green(value);
101 if (component == Blue)
102 m_color.set_blue(value);
103
104 auto pal = m_preview_widget->palette();
105 pal.set_color(ColorRole::Background, m_color);
106 m_preview_widget->set_palette(pal);
107 m_preview_widget->update();
108 };
109 return spinbox;
110 };
111
112 make_spinbox(Red, m_color.red());
113 make_spinbox(Green, m_color.green());
114 make_spinbox(Blue, m_color.blue());
115}
116
117}