1 files changed, 142 insertions, 0 deletions
diff --git a/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp b/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp
new file mode 100644
index 0000000000..18e7a01af2
--- /dev/null
+++ b/examples/widgets/graphicsview/dragdroprobot/coloritem.cpp
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets>
+
+#include "coloritem.h"
+
+//! [0]
+ColorItem::ColorItem()
+    : color(qrand() % 256, qrand() % 256, qrand() % 256)
+{
+    setToolTip(QString("QColor(%1, %2, %3)\n%4")
+              .arg(color.red()).arg(color.green()).arg(color.blue())
+              .arg("Click and drag this color onto the robot!"));
+    setCursor(Qt::OpenHandCursor);
+    setAcceptedMouseButtons(Qt::LeftButton);
+}
+//! [0]
+
+//! [1]
+QRectF ColorItem::boundingRect() const
+{
+    return QRectF(-15.5, -15.5, 34, 34);
+}
+//! [1]
+
+//! [2]
+void ColorItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+    painter->setPen(Qt::NoPen);
+    painter->setBrush(Qt::darkGray);
+    painter->drawEllipse(-12, -12, 30, 30);
+    painter->setPen(QPen(Qt::black, 1));
+    painter->setBrush(QBrush(color));
+    painter->drawEllipse(-15, -15, 30, 30);
+}
+//! [2]
+
+//! [3]
+void ColorItem::mousePressEvent(QGraphicsSceneMouseEvent *)
+{
+    setCursor(Qt::ClosedHandCursor);
+}
+//! [3]
+
+//! [5]
+void ColorItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton))
+        .length() < QApplication::startDragDistance()) {
+        return;
+    }
+
+    QDrag *drag = new QDrag(event->widget());
+    QMimeData *mime = new QMimeData;
+    drag->setMimeData(mime);
+//! [5]
+
+//! [6]
+    static int n = 0;
+    if (n++ > 2 && (qrand() % 3) == 0) {
+        QImage image(":/images/head.png");
+        mime->setImageData(image);
+
+        drag->setPixmap(QPixmap::fromImage(image).scaled(30, 40));
+        drag->setHotSpot(QPoint(15, 30));
+//! [6]
+//! [7]
+    } else {
+        mime->setColorData(color);
+        mime->setText(QString("#%1%2%3")
+                      .arg(color.red(), 2, 16, QLatin1Char('0'))
+                      .arg(color.green(), 2, 16, QLatin1Char('0'))
+                      .arg(color.blue(), 2, 16, QLatin1Char('0')));
+
+        QPixmap pixmap(34, 34);
+        pixmap.fill(Qt::white);
+
+        QPainter painter(&pixmap);
+        painter.translate(15, 15);
+        painter.setRenderHint(QPainter::Antialiasing);
+        paint(&painter, 0, 0);
+        painter.end();
+
+        pixmap.setMask(pixmap.createHeuristicMask());
+
+        drag->setPixmap(pixmap);
+        drag->setHotSpot(QPoint(15, 20));
+    }
+//! [7]
+
+//! [8]
+    drag->exec();
+    setCursor(Qt::OpenHandCursor);
+}
+//! [8]
+
+//! [4]
+void ColorItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *)
+{
+    setCursor(Qt::OpenHandCursor);
+}
+//! [4]