9 files changed, 447 insertions, 0 deletions
diff --git a/examples/draganddrop/delayedencoding/delayedencoding.pro b/examples/draganddrop/delayedencoding/delayedencoding.pro
new file mode 100644
index 0000000..c7b95b6
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/delayedencoding.pro
@@ -0,0 +1,14 @@
+QT          += svg
+
+HEADERS     = mimedata.h \
+              sourcewidget.h
+RESOURCES   = delayedencoding.qrc
+SOURCES     = main.cpp \
+              mimedata.cpp \
+              sourcewidget.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/draganddrop/delayedencoding
+sources.files = $$SOURCES $$HEADERS *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/itemviews/delayedencoding
+INSTALLS += target sources
diff --git a/examples/draganddrop/delayedencoding/delayedencoding.qrc b/examples/draganddrop/delayedencoding/delayedencoding.qrc
new file mode 100644
index 0000000..374f211
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/delayedencoding.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="">
+   <file>images/drag.png</file>
+   <file>images/example.svg</file>
+</qresource>
+</RCC>
diff --git a/examples/draganddrop/delayedencoding/images/drag.png b/examples/draganddrop/delayedencoding/images/drag.png
new file mode 100644
index 0000000..dd795cf
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/images/drag.png
diff --git a/examples/draganddrop/delayedencoding/images/example.svg b/examples/draganddrop/delayedencoding/images/example.svg
new file mode 100644
index 0000000..4707cf8
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/images/example.svg
@@ -0,0 +1,59 @@
+<?xml version="1.0" standalone="no"?>
+<!-- ***********************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+************************************************************************ -->
+<svg width="8cm" height="8cm" viewBox="0 0 400 400"
+     xmlns="http://www.w3.org/2000/svg" baseProfile="tiny" version="1.1">
+  <title>Sphere</title>
+  <desc>A gradient filled sphere.</desc>
+  <g>
+    <defs>
+      <radialGradient id="blueSphere" gradientUnits="userSpaceOnUse"
+                      cx="200" cy="200" r="100" fx="150" fy="150">
+        <stop offset="0%" stop-color="white" />
+        <stop offset="75%" stop-color="blue" />
+        <stop offset="100%" stop-color="black" />
+      </radialGradient>
+    </defs>
+    <rect fill="lightblue" x="0" y="0" width="400" height="400" />
+    <circle fill="url(#blueSphere)" stroke="black" stroke-width="2"  
+          cx="200" cy="200" r="100"/>
+  </g>
+</svg>
diff --git a/examples/draganddrop/delayedencoding/main.cpp b/examples/draganddrop/delayedencoding/main.cpp
new file mode 100644
index 0000000..801e474
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/main.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "sourcewidget.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    SourceWidget window;
+    window.show();
+    return app.exec();
+}
+
diff --git a/examples/draganddrop/delayedencoding/mimedata.cpp b/examples/draganddrop/delayedencoding/mimedata.cpp
new file mode 100644
index 0000000..5c7c23c
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/mimedata.cpp
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mimedata.h"
+
+MimeData::MimeData()
+    : QMimeData()
+{
+}
+
+//![0]
+QStringList MimeData::formats() const
+{
+    return QMimeData::formats() << "image/png";
+}
+//![0]
+
+//![1]
+QVariant MimeData::retrieveData(const QString &mimeType, QVariant::Type type)
+         const
+{
+    emit dataRequested(mimeType);
+
+    return QMimeData::retrieveData(mimeType, type);
+}
+//![1]
+
diff --git a/examples/draganddrop/delayedencoding/mimedata.h b/examples/draganddrop/delayedencoding/mimedata.h
new file mode 100644
index 0000000..13e834d
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/mimedata.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MIMEDATA_H
+#define MIMEDATA_H
+
+#include <QMimeData>
+
+//![0]
+class MimeData : public QMimeData
+{
+    Q_OBJECT
+
+public:
+    MimeData();
+    QStringList formats() const;
+
+signals:
+    void dataRequested(const QString &mimeType) const;
+
+protected:
+    QVariant retrieveData(const QString &mimetype, QVariant::Type type) const;
+};
+//![0]
+
+#endif
diff --git a/examples/draganddrop/delayedencoding/sourcewidget.cpp b/examples/draganddrop/delayedencoding/sourcewidget.cpp
new file mode 100644
index 0000000..f5aed89
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/sourcewidget.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtSvg>
+#include "mimedata.h"
+#include "sourcewidget.h"
+
+SourceWidget::SourceWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    QFile imageFile(":/images/example.svg");
+    imageFile.open(QIODevice::ReadOnly);
+    imageData = imageFile.readAll();
+    imageFile.close();
+
+    QScrollArea *imageArea = new QScrollArea;
+    imageLabel = new QSvgWidget;
+    imageLabel->renderer()->load(imageData);
+    imageArea->setWidget(imageLabel);
+    //imageLabel->setMinimumSize(imageLabel->renderer()->viewBox().size());
+
+    QLabel *instructTopLabel = new QLabel(tr("This is an SVG drawing:"));
+    QLabel *instructBottomLabel = new QLabel(
+        tr("Drag the icon to copy the drawing as a PNG file:"));
+    QPushButton *dragIcon = new QPushButton(tr("Export"));
+    dragIcon->setIcon(QIcon(":/images/drag.png"));
+
+    connect(dragIcon, SIGNAL(pressed()), this, SLOT(startDrag()));
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(instructTopLabel, 0, 0, 1, 2);
+    layout->addWidget(imageArea, 1, 0, 2, 2);
+    layout->addWidget(instructBottomLabel, 3, 0);
+    layout->addWidget(dragIcon, 3, 1);
+    setLayout(layout);
+    setWindowTitle(tr("Delayed Encoding"));
+}
+
+//![1]
+void SourceWidget::createData(const QString &mimeType)
+{
+    if (mimeType != "image/png")
+        return;
+
+    QImage image(imageLabel->size(), QImage::Format_RGB32);
+    QPainter painter;
+    painter.begin(&image);
+    imageLabel->renderer()->render(&painter);
+    painter.end();
+
+    QByteArray data;
+    QBuffer buffer(&data);
+    buffer.open(QIODevice::WriteOnly);
+    image.save(&buffer, "PNG");
+    buffer.close();
+
+    mimeData->setData("image/png", data);
+}
+//![1]
+
+//![0]
+void SourceWidget::startDrag()
+{
+    mimeData = new MimeData;
+
+    connect(mimeData, SIGNAL(dataRequested(const QString &)),
+            this, SLOT(createData(const QString &)), Qt::DirectConnection);
+
+    QDrag *drag = new QDrag(this);
+    drag->setMimeData(mimeData);
+    drag->setPixmap(QPixmap(":/images/drag.png"));
+
+    drag->exec(Qt::CopyAction);
+}
+//![0]
+
diff --git a/examples/draganddrop/delayedencoding/sourcewidget.h b/examples/draganddrop/delayedencoding/sourcewidget.h
new file mode 100644
index 0000000..8d6a690
--- /dev/null
+++ b/examples/draganddrop/delayedencoding/sourcewidget.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SOURCEWIDGET_H
+#define SOURCEWIDGET_H
+
+#include <QByteArray>
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QSvgWidget;
+QT_END_NAMESPACE
+class MimeData;
+
+class SourceWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    SourceWidget(QWidget *parent = 0);
+//![0]
+public slots:
+    void createData(const QString &mimetype);
+    void startDrag();
+
+private:
+    QByteArray imageData;
+    QSvgWidget *imageLabel;
+    MimeData *mimeData;
+//![0]
+};
+
+#endif