Replacement for KColorButton

sources/colorbutton.cpp

@@ -0,0 +1,85 @@
+/*
+	Copyright 2006-2025 The QElectroTech Team
+	This file is part of QElectroTech.
+	
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+	
+	QElectroTech is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+	
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "colorbutton.h"
+
+#include <QColorDialog>
+#include <QPainter>
+
+/**
+	@brief ColorButton::ColorButton
+	Simple constructor
+	@param parent QObject parent of the ColorButton
+*/
+ColorButton::ColorButton(QWidget *parent) : QPushButton(parent)
+{
+	connect(this, &QPushButton::clicked, this, &ColorButton::clicked);
+}
+
+/**
+	@brief Getter for current color
+	@return The current selected color
+*/
+const QColor ColorButton::color()
+{
+	return m_color;
+}
+
+/**
+	@brief Setter for current color
+*/
+void ColorButton::setColor(const QColor &color)
+{
+    m_color = color;
+	update();
+}
+
+/**
+	@brief ColorButton::clicked
+	Opens a color selection dialog and lets the user select a color.
+	@param checked Not used
+*/
+void ColorButton::clicked(bool checked)
+{
+	// Open color selection dialog
+	auto newColor = QColorDialog::getColor(m_color);
+
+	// Validate user input
+	if (newColor.isValid()) {
+		m_color = newColor;
+		emit changed(newColor);
+		update();
+	}
+}
+
+/**
+	@brief ColorButton::paintEvent
+	Paints a filled rectangle with the current selected color on the button surface.
+	@param e Paint event context
+*/
+void ColorButton::paintEvent(QPaintEvent *e) {
+	QPushButton::paintEvent(e);
+	QPainter painter(this);
+
+	// Get dimensions of te button paint surface
+	auto r_width = painter.device()->width();
+	auto r_height = painter.device()->height();
+
+	// Paint a rectangle with a margin of 5
+	auto color_indicator = QRect(5, 5, r_width - 10, r_height - 10);
+	painter.fillRect(color_indicator, m_color);
+}