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91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/*
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Copyright 2006-2025 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "colorbutton.h"
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#include <QColorDialog>
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#include <QPainter>
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/**
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@brief ColorButton::ColorButton
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Simple constructor
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@param parent QObject parent of the ColorButton
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*/
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ColorButton::ColorButton(QWidget *parent) : QPushButton(parent)
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{
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connect(this, &QPushButton::clicked, this, &ColorButton::clicked);
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}
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/**
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@brief Getter for current color
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@return The current selected color
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*/
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const QColor ColorButton::color()
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{
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return m_color;
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}
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/**
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@brief Setter for current color
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*/
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void ColorButton::setColor(const QColor &color)
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{
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m_color = color;
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update();
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}
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/**
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@brief ColorButton::clicked
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Opens a color selection dialog and lets the user select a color.
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@param checked Not used
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*/
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void ColorButton::clicked(bool checked)
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{
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// Open color selection dialog
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auto new_color = QColorDialog::getColor(m_color, this, tr("Select color"), QColorDialog::DontUseNativeDialog);
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// Validate user input
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if (new_color.isValid()) {
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m_color = new_color;
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emit changed(new_color);
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update();
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}
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}
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/**
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@brief ColorButton::paintEvent
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Paints a filled rectangle with the current selected color on the button surface.
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@param e Paint event context
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*/
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void ColorButton::paintEvent(QPaintEvent *e) {
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QPushButton::paintEvent(e);
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// Padding for the color indicator
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const int padding_x = 5;
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const int padding_y = 5;
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QPainter painter(this);
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// Get dimensions of the button paint surface
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auto r_width = painter.device()->width();
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auto r_height = painter.device()->height();
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// Paint a rectangle with a margin of 5
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auto color_indicator = QRect(padding_x, padding_y, r_width - padding_x * 2, r_height - padding_y * 2);
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painter.fillRect(color_indicator, m_color);
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}
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