1 files changed, 53 insertions, 0 deletions
diff --git a/src/quickcontrols/universal/impl/qquickuniversalfocusrectangle.cpp b/src/quickcontrols/universal/impl/qquickuniversalfocusrectangle.cpp
new file mode 100644
index 0000000000..9b815b9147
--- /dev/null
+++ b/src/quickcontrols/universal/impl/qquickuniversalfocusrectangle.cpp
@@ -0,0 +1,53 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qquickuniversalfocusrectangle_p.h"
+
+#include <QtGui/qpixmap.h>
+#include <QtGui/qpainter.h>
+#include <QtGui/qpixmapcache.h>
+#include <QtQuick/private/qquickitem_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QQuickUniversalFocusRectangle::QQuickUniversalFocusRectangle(QQuickItem *parent)
+    : QQuickPaintedItem(parent)
+{
+    QQuickItemPrivate::get(this)->setTransparentForPositioner(true);
+}
+
+void QQuickUniversalFocusRectangle::paint(QPainter *painter)
+{
+    if (!isVisible() || width() <= 0 || height() <= 0)
+        return;
+
+    QRect bounds = boundingRect().toAlignedRect();
+    const int boundsWidth = bounds.width();
+    const int boundsHeight = bounds.width();
+    const QString key = QStringLiteral("qquickuniversalfocusrectangle_%1_%2").arg(QString::number(boundsWidth), QString::number(boundsHeight));
+
+    QPixmap pixmap(boundsWidth, boundsHeight);
+    if (!QPixmapCache::find(key, &pixmap)) {
+        bounds.adjust(0, 0, -1, -1);
+        pixmap.fill(Qt::transparent);
+        QPainter p(&pixmap);
+
+        QPen pen;
+        pen.setWidth(1);
+        pen.setColor(Qt::white);
+        p.setPen(pen);
+        p.drawRect(bounds);
+
+        pen.setColor(Qt::black);
+        pen.setDashPattern(QList<qreal>(2, 1));
+        p.setPen(pen);
+        p.drawRect(bounds);
+
+        QPixmapCache::insert(key, pixmap);
+    }
+    painter->drawPixmap(0, 0, pixmap);
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qquickuniversalfocusrectangle_p.cpp"