ladybird/Userland/Libraries/LibGUI/ColorInput.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

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/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/Timer.h>
#include <LibGUI/ColorInput.h>
#include <LibGUI/ColorPicker.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Palette.h>
REGISTER_WIDGET(GUI, ColorInput)
namespace GUI {
ColorInput::ColorInput()
: TextEditor(TextEditor::SingleLine)
{
set_min_width(32);
set_fixed_height(22);
TextEditor::on_change = [this] {
auto parsed_color = Color::from_string(text());
if (parsed_color.has_value())
set_color_without_changing_text(parsed_color.value());
};
REGISTER_STRING_PROPERTY("color_picker_title", color_picker_title, set_color_picker_title);
REGISTER_BOOL_PROPERTY("has_alpha_channel", has_alpha_channel, set_color_has_alpha_channel);
}
ColorInput::~ColorInput()
{
}
Gfx::IntRect ColorInput::color_rect() const
{
auto color_box_padding = 3;
auto color_box_size = height() - color_box_padding - color_box_padding;
return { width() - color_box_size - color_box_padding, color_box_padding, color_box_size, color_box_size };
}
void ColorInput::set_color_without_changing_text(Color color)
{
if (m_color == color)
return;
m_color = color;
update();
if (on_change)
on_change();
}
void ColorInput::set_color(Color color)
{
if (m_color == color)
return;
set_text(m_color_has_alpha_channel ? color.to_string() : color.to_string_without_alpha());
};
void ColorInput::mousedown_event(MouseEvent& event)
{
if (event.button() == MouseButton::Left && color_rect().contains(event.position())) {
m_may_be_color_rect_click = true;
return;
}
TextEditor::mousedown_event(event);
}
void ColorInput::mouseup_event(MouseEvent& event)
{
if (event.button() == MouseButton::Left) {
bool is_color_rect_click = m_may_be_color_rect_click && color_rect().contains(event.position());
m_may_be_color_rect_click = false;
if (is_color_rect_click) {
auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
dialog->set_color_has_alpha_channel(m_color_has_alpha_channel);
if (dialog->exec() == GUI::Dialog::ExecOK)
set_color(dialog->color());
event.accept();
return;
}
}
TextEditor::mouseup_event(event);
}
void ColorInput::mousemove_event(MouseEvent& event)
{
if (color_rect().contains(event.position())) {
set_override_cursor(Gfx::StandardCursor::Hand);
event.accept();
return;
} else {
set_override_cursor(Gfx::StandardCursor::IBeam);
}
TextEditor::mousemove_event(event);
}
void ColorInput::paint_event(PaintEvent& event)
{
TextEditor::paint_event(event);
Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(color_rect(), m_color);
painter.draw_rect(color_rect(), Color::Black);
}
}