First Commit

pcsx2-qt/ColorPickerButton.cpp

@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include "ColorPickerButton.h"
+#include "QtUtils.h"
+
+#include <QtWidgets/QColorDialog>
+
+ColorPickerButton::ColorPickerButton(QWidget* parent)
+	: QPushButton(parent)
+{
+	connect(this, &QPushButton::clicked, this, &ColorPickerButton::onClicked);
+	updateBackgroundColor();
+}
+
+u32 ColorPickerButton::color()
+{
+	return m_color;
+}
+
+void ColorPickerButton::setColor(u32 rgb)
+{
+	if (m_color == rgb)
+		return;
+
+	m_color = rgb;
+	updateBackgroundColor();
+}
+
+void ColorPickerButton::updateBackgroundColor()
+{
+	setStyleSheet(QStringLiteral("background-color: #%1;").arg(static_cast<uint>(m_color), 6, 16, QChar('0')));
+}
+
+void ColorPickerButton::onClicked()
+{
+	const u32 red = (m_color >> 16) & 0xff;
+	const u32 green = (m_color >> 8) & 0xff;
+	const u32 blue = m_color & 0xff;
+
+	const QColor initial(QColor::fromRgb(red, green, blue));
+	const QColor selected(QColorDialog::getColor(initial, QtUtils::GetRootWidget(this), tr("Select LED Color")));
+
+	// QColorDialog returns Invalid on cancel, and apparently initial == Invalid is true...
+	if (!selected.isValid() || initial == selected)
+		return;
+
+	const u32 new_rgb =
+		(static_cast<u32>(selected.red()) << 16) | (static_cast<u32>(selected.green()) << 8) | static_cast<u32>(selected.blue());
+	m_color = new_rgb;
+	updateBackgroundColor();
+	emit colorChanged(new_rgb);
+}