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Serenity Operating System
1/*
2 * Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
3 * Copyright (c) 2022, the SerenityOS developers.
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include <LibCore/Timer.h>
9#include <LibGUI/ColorInput.h>
10#include <LibGUI/ColorPicker.h>
11#include <LibGUI/Painter.h>
12#include <LibGfx/Palette.h>
13
14REGISTER_WIDGET(GUI, ColorInput)
15
16namespace GUI {
17
18ColorInput::ColorInput()
19 : TextEditor(TextEditor::SingleLine)
20{
21 set_min_size({ 40, 22 });
22 set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
23 TextEditor::on_change = [this] {
24 auto parsed_color = Color::from_string(text());
25 if (parsed_color.has_value())
26 set_color_internal(parsed_color.value(), AllowCallback::Yes, false);
27 };
28
29 REGISTER_STRING_PROPERTY("color_picker_title", color_picker_title, set_color_picker_title);
30 REGISTER_BOOL_PROPERTY("has_alpha_channel", has_alpha_channel, set_color_has_alpha_channel);
31}
32
33Gfx::IntRect ColorInput::color_rect() const
34{
35 auto color_box_padding = 3;
36 auto color_box_size = height() - color_box_padding - color_box_padding;
37 return { width() - color_box_size - color_box_padding, color_box_padding, color_box_size, color_box_size };
38}
39
40void ColorInput::set_color_internal(Color color, AllowCallback allow_callback, bool change_text)
41{
42 if (m_color == color)
43 return;
44 m_color = color;
45 if (change_text)
46 set_text(m_color_has_alpha_channel ? color.to_deprecated_string() : color.to_deprecated_string_without_alpha(), AllowCallback::No);
47 update();
48 if (allow_callback == AllowCallback::Yes && on_change)
49 on_change();
50}
51
52void ColorInput::set_color(Color color, AllowCallback allow_callback)
53{
54 set_color_internal(color, allow_callback, true);
55};
56
57void ColorInput::mousedown_event(MouseEvent& event)
58{
59 if (event.button() == MouseButton::Primary && color_rect().contains(event.position())) {
60 m_may_be_color_rect_click = true;
61 return;
62 }
63
64 TextEditor::mousedown_event(event);
65}
66
67void ColorInput::mouseup_event(MouseEvent& event)
68{
69 if (event.button() == MouseButton::Primary) {
70 bool is_color_rect_click = m_may_be_color_rect_click && color_rect().contains(event.position());
71 m_may_be_color_rect_click = false;
72 if (is_color_rect_click) {
73 auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
74 dialog->set_color_has_alpha_channel(m_color_has_alpha_channel);
75 if (dialog->exec() == GUI::Dialog::ExecResult::OK)
76 set_color(dialog->color());
77 event.accept();
78 return;
79 }
80 }
81 TextEditor::mouseup_event(event);
82}
83
84void ColorInput::mousemove_event(MouseEvent& event)
85{
86 if (color_rect().contains(event.position())) {
87 set_override_cursor(Gfx::StandardCursor::Hand);
88 event.accept();
89 return;
90 } else {
91 set_override_cursor(Gfx::StandardCursor::IBeam);
92 }
93
94 TextEditor::mousemove_event(event);
95}
96
97void ColorInput::paint_event(PaintEvent& event)
98{
99 TextEditor::paint_event(event);
100
101 Painter painter(*this);
102 painter.add_clip_rect(event.rect());
103
104 painter.fill_rect(color_rect(), m_color);
105 painter.draw_rect(color_rect(), Color::Black);
106}
107}