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authorAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
committerAlexis Menard <alexis.menard@nokia.com>2009-04-17 14:06:06 (GMT)
commitf15b8a83e2e51955776a3f07cb85ebfc342dd8ef (patch)
treec5dc684986051654898db11ce73e03b9fec8db99 /examples/draganddrop/draggableicons
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Initial import of statemachine branch from the old kinetic repository
Diffstat (limited to 'examples/draganddrop/draggableicons')
-rw-r--r--examples/draganddrop/draggableicons/draggableicons.pro10
-rw-r--r--examples/draganddrop/draggableicons/draggableicons.qrc7
-rw-r--r--examples/draganddrop/draggableicons/dragwidget.cpp169
-rw-r--r--examples/draganddrop/draggableicons/dragwidget.h66
-rw-r--r--examples/draganddrop/draggableicons/images/boat.pngbin0 -> 2772 bytes
-rw-r--r--examples/draganddrop/draggableicons/images/car.pngbin0 -> 2963 bytes
-rw-r--r--examples/draganddrop/draggableicons/images/house.pngbin0 -> 3292 bytes
-rw-r--r--examples/draganddrop/draggableicons/main.cpp62
8 files changed, 314 insertions, 0 deletions
diff --git a/examples/draganddrop/draggableicons/draggableicons.pro b/examples/draganddrop/draggableicons/draggableicons.pro
new file mode 100644
index 0000000..74cfda9
--- /dev/null
+++ b/examples/draganddrop/draggableicons/draggableicons.pro
@@ -0,0 +1,10 @@
+HEADERS = dragwidget.h
+RESOURCES = draggableicons.qrc
+SOURCES = dragwidget.cpp \
+ main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/draganddrop/draggableicons
+sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro images
+sources.path = $$[QT_INSTALL_EXAMPLES]/draganddrop/draggableicons
+INSTALLS += target sources
diff --git a/examples/draganddrop/draggableicons/draggableicons.qrc b/examples/draganddrop/draggableicons/draggableicons.qrc
new file mode 100644
index 0000000..63f84ac
--- /dev/null
+++ b/examples/draganddrop/draggableicons/draggableicons.qrc
@@ -0,0 +1,7 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="">
+ <file>images/boat.png</file>
+ <file>images/car.png</file>
+ <file>images/house.png</file>
+</qresource>
+</RCC>
diff --git a/examples/draganddrop/draggableicons/dragwidget.cpp b/examples/draganddrop/draggableicons/dragwidget.cpp
new file mode 100644
index 0000000..021f816
--- /dev/null
+++ b/examples/draganddrop/draggableicons/dragwidget.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** 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 "dragwidget.h"
+
+//! [0]
+DragWidget::DragWidget(QWidget *parent)
+ : QFrame(parent)
+{
+ setMinimumSize(200, 200);
+ setFrameStyle(QFrame::Sunken | QFrame::StyledPanel);
+ setAcceptDrops(true);
+
+ QLabel *boatIcon = new QLabel(this);
+ boatIcon->setPixmap(QPixmap(":/images/boat.png"));
+ boatIcon->move(20, 20);
+ boatIcon->show();
+ boatIcon->setAttribute(Qt::WA_DeleteOnClose);
+
+ QLabel *carIcon = new QLabel(this);
+ carIcon->setPixmap(QPixmap(":/images/car.png"));
+ carIcon->move(120, 20);
+ carIcon->show();
+ carIcon->setAttribute(Qt::WA_DeleteOnClose);
+
+ QLabel *houseIcon = new QLabel(this);
+ houseIcon->setPixmap(QPixmap(":/images/house.png"));
+ houseIcon->move(20, 120);
+ houseIcon->show();
+ houseIcon->setAttribute(Qt::WA_DeleteOnClose);
+}
+//! [0]
+
+void DragWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+ if (event->mimeData()->hasFormat("application/x-dnditemdata")) {
+ if (event->source() == this) {
+ event->setDropAction(Qt::MoveAction);
+ event->accept();
+ } else {
+ event->acceptProposedAction();
+ }
+ } else {
+ event->ignore();
+ }
+}
+
+void DragWidget::dragMoveEvent(QDragMoveEvent *event)
+{
+ if (event->mimeData()->hasFormat("application/x-dnditemdata")) {
+ if (event->source() == this) {
+ event->setDropAction(Qt::MoveAction);
+ event->accept();
+ } else {
+ event->acceptProposedAction();
+ }
+ } else {
+ event->ignore();
+ }
+}
+
+void DragWidget::dropEvent(QDropEvent *event)
+{
+ if (event->mimeData()->hasFormat("application/x-dnditemdata")) {
+ QByteArray itemData = event->mimeData()->data("application/x-dnditemdata");
+ QDataStream dataStream(&itemData, QIODevice::ReadOnly);
+
+ QPixmap pixmap;
+ QPoint offset;
+ dataStream >> pixmap >> offset;
+
+ QLabel *newIcon = new QLabel(this);
+ newIcon->setPixmap(pixmap);
+ newIcon->move(event->pos() - offset);
+ newIcon->show();
+ newIcon->setAttribute(Qt::WA_DeleteOnClose);
+
+ if (event->source() == this) {
+ event->setDropAction(Qt::MoveAction);
+ event->accept();
+ } else {
+ event->acceptProposedAction();
+ }
+ } else {
+ event->ignore();
+ }
+}
+
+//! [1]
+void DragWidget::mousePressEvent(QMouseEvent *event)
+{
+ QLabel *child = static_cast<QLabel*>(childAt(event->pos()));
+ if (!child)
+ return;
+
+ QPixmap pixmap = *child->pixmap();
+
+ QByteArray itemData;
+ QDataStream dataStream(&itemData, QIODevice::WriteOnly);
+ dataStream << pixmap << QPoint(event->pos() - child->pos());
+//! [1]
+
+//! [2]
+ QMimeData *mimeData = new QMimeData;
+ mimeData->setData("application/x-dnditemdata", itemData);
+//! [2]
+
+//! [3]
+ QDrag *drag = new QDrag(this);
+ drag->setMimeData(mimeData);
+ drag->setPixmap(pixmap);
+ drag->setHotSpot(event->pos() - child->pos());
+//! [3]
+
+ QPixmap tempPixmap = pixmap;
+ QPainter painter;
+ painter.begin(&tempPixmap);
+ painter.fillRect(pixmap.rect(), QColor(127, 127, 127, 127));
+ painter.end();
+
+ child->setPixmap(tempPixmap);
+
+ if (drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction) == Qt::MoveAction)
+ child->close();
+ else {
+ child->show();
+ child->setPixmap(pixmap);
+ }
+}
diff --git a/examples/draganddrop/draggableicons/dragwidget.h b/examples/draganddrop/draggableicons/dragwidget.h
new file mode 100644
index 0000000..201adf8
--- /dev/null
+++ b/examples/draganddrop/draggableicons/dragwidget.h
@@ -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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DRAGWIDGET_H
+#define DRAGWIDGET_H
+
+#include <QFrame>
+
+QT_BEGIN_NAMESPACE
+class QDragEnterEvent;
+class QDropEvent;
+QT_END_NAMESPACE
+
+//! [0]
+class DragWidget : public QFrame
+{
+public:
+ DragWidget(QWidget *parent=0);
+
+protected:
+ void dragEnterEvent(QDragEnterEvent *event);
+ void dragMoveEvent(QDragMoveEvent *event);
+ void dropEvent(QDropEvent *event);
+ void mousePressEvent(QMouseEvent *event);
+};
+//! [0]
+
+#endif
diff --git a/examples/draganddrop/draggableicons/images/boat.png b/examples/draganddrop/draggableicons/images/boat.png
new file mode 100644
index 0000000..46c894f
--- /dev/null
+++ b/examples/draganddrop/draggableicons/images/boat.png
Binary files differ
diff --git a/examples/draganddrop/draggableicons/images/car.png b/examples/draganddrop/draggableicons/images/car.png
new file mode 100644
index 0000000..3cb35e5
--- /dev/null
+++ b/examples/draganddrop/draggableicons/images/car.png
Binary files differ
diff --git a/examples/draganddrop/draggableicons/images/house.png b/examples/draganddrop/draggableicons/images/house.png
new file mode 100644
index 0000000..ee9d5b1
--- /dev/null
+++ b/examples/draganddrop/draggableicons/images/house.png
Binary files differ
diff --git a/examples/draganddrop/draggableicons/main.cpp b/examples/draganddrop/draggableicons/main.cpp
new file mode 100644
index 0000000..cd94537
--- /dev/null
+++ b/examples/draganddrop/draggableicons/main.cpp
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** 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 <QHBoxLayout>
+#include "dragwidget.h"
+
+int main(int argc, char *argv[])
+{
+ Q_INIT_RESOURCE(draggableicons);
+
+ QApplication app(argc, argv);
+
+ QWidget mainWidget;
+ QHBoxLayout *horizontalLayout = new QHBoxLayout;
+ horizontalLayout->addWidget(new DragWidget);
+ horizontalLayout->addWidget(new DragWidget);
+
+ mainWidget.setLayout(horizontalLayout);
+ mainWidget.setWindowTitle(QObject::tr("Draggable Icons"));
+ mainWidget.show();
+
+ return app.exec();
+}