1 files changed, 137 insertions, 0 deletions
diff --git a/QtLauncher/circularindicator.cpp b/QtLauncher/circularindicator.cpp
new file mode 100644
index 0000000..b32b14c
--- /dev/null
+++ b/QtLauncher/circularindicator.cpp
@@ -0,0 +1,137 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "circularindicator.h"
+
+CircularIndicator::CircularIndicator(QQuickItem *parent)
+    : QQuickPaintedItem(parent)
+    , m_startAngle(0)
+    , m_spanAngle(360)
+    , m_lineWidth(10)
+    , m_progressColor(QColor(255, 0, 0))
+    , m_backgroundColor(QColor(240, 240, 240))
+    , m_padding(1)
+{
+}
+
+int CircularIndicator::startAngle() const
+{
+    return m_startAngle;
+}
+
+void CircularIndicator::setStartAngle(int angle)
+{
+    if (angle == m_startAngle)
+        return;
+
+    m_startAngle = angle;
+    emit startAngleChanged(m_startAngle);
+    update();
+}
+
+int CircularIndicator::spanAngle() const
+{
+    return m_spanAngle;
+}
+
+void CircularIndicator::setSpanAngle(int angle)
+{
+    if (angle == m_spanAngle)
+        return;
+
+    m_spanAngle = angle;
+    emit spanAngleChanged(m_spanAngle);
+    update();
+}
+
+int CircularIndicator::lineWidth() const
+{
+    return m_lineWidth;
+}
+
+void CircularIndicator::setLineWidth(int width)
+{
+    if (width == m_lineWidth)
+        return;
+
+    m_lineWidth = width;
+    emit lineWidthChanged(m_lineWidth);
+    update();
+}
+
+QColor CircularIndicator::progressColor() const
+{
+    return m_progressColor;
+}
+
+void CircularIndicator::setProgressColor(const QColor &color)
+{
+    if (color == m_progressColor)
+        return;
+
+    m_progressColor = color;
+    emit progressColorChanged(m_progressColor);
+    update();
+}
+
+QColor CircularIndicator::backgroundColor() const
+{
+    return m_backgroundColor;
+}
+
+void CircularIndicator::setBackgroundColor(const QColor &color)
+{
+    if (color == m_backgroundColor)
+        return;
+
+    m_backgroundColor = color;
+    emit backgroundColorChanged(m_backgroundColor);
+    update();
+}
+
+int CircularIndicator::padding() const
+{
+    return m_padding;
+}
+
+void CircularIndicator::setPadding(int padding)
+{
+    if (padding == m_padding)
+        return;
+
+    m_padding = padding;
+    emit paddingChanged(m_padding);
+    update();
+}
+
+void CircularIndicator::paint(QPainter *painter)
+{
+    painter->setRenderHint(QPainter::Antialiasing);
+
+    const int indicatorSize = qMin(width(), height()) - m_padding * 2 - m_lineWidth;
+
+    if (indicatorSize <= 0)
+        return;
+
+    QRect indicatorRect(width() / 2 - indicatorSize / 2,
+                        height() / 2 - indicatorSize / 2,
+                        indicatorSize,
+                        indicatorSize);
+
+    QPen pen;
+    pen.setCapStyle(Qt::RoundCap);
+    pen.setWidth(m_lineWidth);
+
+    // Draw the background
+    pen.setColor(m_backgroundColor);
+    painter->setPen(pen);
+    painter->drawArc(indicatorRect, 0, 360 * 16);
+
+    if (m_startAngle == m_spanAngle)
+        return;
+
+    // Draw the foreground
+    pen.setColor(m_progressColor);
+    painter->setPen(pen);
+    painter->drawArc(indicatorRect, (90 - m_startAngle) * 16, -m_spanAngle * 16);
+}