mirror of
https://github.com/RGBCube/serenity
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107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/Timer.h>
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#include <LibGUI/ColorInput.h>
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#include <LibGUI/ColorPicker.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Palette.h>
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REGISTER_WIDGET(GUI, ColorInput)
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namespace GUI {
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ColorInput::ColorInput()
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: TextEditor(TextEditor::SingleLine)
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{
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set_min_size({ 40, 22 });
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set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
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TextEditor::on_change = [this] {
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auto parsed_color = Color::from_string(text());
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if (parsed_color.has_value())
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set_color_internal(parsed_color.value(), AllowCallback::Yes, false);
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};
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REGISTER_STRING_PROPERTY("color_picker_title", color_picker_title, set_color_picker_title);
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REGISTER_BOOL_PROPERTY("has_alpha_channel", has_alpha_channel, set_color_has_alpha_channel);
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}
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Gfx::IntRect ColorInput::color_rect() const
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{
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auto color_box_padding = 3;
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auto color_box_size = height() - color_box_padding - color_box_padding;
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return { width() - color_box_size - color_box_padding, color_box_padding, color_box_size, color_box_size };
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}
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void ColorInput::set_color_internal(Color color, AllowCallback allow_callback, bool change_text)
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{
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if (m_color == color)
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return;
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m_color = color;
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if (change_text)
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set_text(m_color_has_alpha_channel ? color.to_string() : color.to_string_without_alpha(), AllowCallback::No);
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update();
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if (allow_callback == AllowCallback::Yes && on_change)
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on_change();
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}
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void ColorInput::set_color(Color color, AllowCallback allow_callback)
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{
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set_color_internal(color, allow_callback, true);
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};
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void ColorInput::mousedown_event(MouseEvent& event)
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{
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if (event.button() == MouseButton::Primary && color_rect().contains(event.position())) {
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m_may_be_color_rect_click = true;
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return;
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}
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TextEditor::mousedown_event(event);
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}
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void ColorInput::mouseup_event(MouseEvent& event)
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{
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if (event.button() == MouseButton::Primary) {
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bool is_color_rect_click = m_may_be_color_rect_click && color_rect().contains(event.position());
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m_may_be_color_rect_click = false;
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if (is_color_rect_click) {
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auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
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dialog->set_color_has_alpha_channel(m_color_has_alpha_channel);
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if (dialog->exec() == GUI::Dialog::ExecResult::OK)
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set_color(dialog->color());
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event.accept();
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return;
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}
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}
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TextEditor::mouseup_event(event);
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}
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void ColorInput::mousemove_event(MouseEvent& event)
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{
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if (color_rect().contains(event.position())) {
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set_override_cursor(Gfx::StandardCursor::Hand);
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event.accept();
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return;
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} else {
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set_override_cursor(Gfx::StandardCursor::IBeam);
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}
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TextEditor::mousemove_event(event);
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}
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void ColorInput::paint_event(PaintEvent& event)
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{
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TextEditor::paint_event(event);
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Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.fill_rect(color_rect(), m_color);
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painter.draw_rect(color_rect(), Color::Black);
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}
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}
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