bc323c488e
ColorInput is a new GUI component for selecting color using ColorPicker dialog. It is simplify usage of ColorPicker dialog and more elegant view of current selected color.
129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibCore/Timer.h>
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#include <LibGUI/ColorPicker.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ColorInput.h>
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#include <LibGfx/Palette.h>
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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_readonly(true);
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m_auto_repeat_timer = add<Core::Timer>();
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m_auto_repeat_timer->on_timeout = [this] {
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click();
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};
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}
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ColorInput::~ColorInput()
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{
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}
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void ColorInput::set_color(Color color)
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{
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m_color = color;
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set_text(color.to_string());
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update();
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if (on_change)
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on_change();
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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::Left) {
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if (is_enabled()) {
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m_being_pressed = true;
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update();
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if (m_auto_repeat_interval) {
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click();
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m_auto_repeat_timer->start(m_auto_repeat_interval);
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}
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}
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}
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Widget::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::Left) {
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bool was_auto_repeating = m_auto_repeat_timer->is_active();
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m_auto_repeat_timer->stop();
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if (is_enabled()) {
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bool was_being_pressed = m_being_pressed;
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m_being_pressed = false;
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update();
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if (was_being_pressed && !was_auto_repeating)
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click();
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}
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}
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Widget::mouseup_event(event);
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}
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void ColorInput::enter_event(Core::Event&)
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{
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ASSERT(window());
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window()->set_override_cursor(StandardCursor::Arrow);
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}
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void ColorInput::paint_event(PaintEvent& event)
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{
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// Set cursor color to base color and stop timer. FIXME: Find better way to hide cursor.
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auto pal = palette();
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pal.set_color(ColorRole::TextCursor, palette().base());
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set_palette(pal);
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stop_timer();
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TextEditor::paint_event(event);
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auto color_box_padding = 3;
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auto color_box_size = event.rect().height() - color_box_padding - color_box_padding;
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Painter painter(*this);
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painter.fill_rect({ event.rect().width() - color_box_size - color_box_padding , color_box_padding, color_box_size, color_box_size}, m_color);
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}
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void ColorInput::click()
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{
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if (!is_enabled())
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return;
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auto dialog = GUI::ColorPicker::construct(m_color, window(), m_color_picker_title);
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if (dialog->exec() == GUI::Dialog::ExecOK) {
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auto tmp = dialog->color();
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set_color(tmp);
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}
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}
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}
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