diff options
Diffstat (limited to 'examples/widgets/draganddrop/draggableicons')
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/draggableicons.desktop | 11 | ||||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/draggableicons.pro | 12 | ||||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/draggableicons.qrc | 7 | ||||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/dragwidget.cpp | 168 | ||||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/dragwidget.h | 65 | ||||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/images/boat.png | bin | 0 -> 2772 bytes | |||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/images/car.png | bin | 0 -> 2963 bytes | |||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/images/house.png | bin | 0 -> 3292 bytes | |||
-rw-r--r-- | examples/widgets/draganddrop/draggableicons/main.cpp | 61 |
9 files changed, 324 insertions, 0 deletions
diff --git a/examples/widgets/draganddrop/draggableicons/draggableicons.desktop b/examples/widgets/draganddrop/draggableicons/draggableicons.desktop new file mode 100644 index 0000000000..d14f758ce6 --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/draggableicons.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Encoding=UTF-8 +Version=1.0 +Type=Application +Terminal=false +Name=Draggable Icons +Exec=/opt/usr/bin/draggableicons +Icon=draggableicons +X-Window-Icon= +X-HildonDesk-ShowInToolbar=true +X-Osso-Type=application/x-executable diff --git a/examples/widgets/draganddrop/draggableicons/draggableicons.pro b/examples/widgets/draganddrop/draggableicons/draggableicons.pro new file mode 100644 index 0000000000..9f4156135f --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/draggableicons.pro @@ -0,0 +1,12 @@ +HEADERS = dragwidget.h +RESOURCES = draggableicons.qrc +SOURCES = dragwidget.cpp \ + main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/draganddrop/draggableicons +sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro images +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/draganddrop/draggableicons +INSTALLS += target sources + +QT += widgets diff --git a/examples/widgets/draganddrop/draggableicons/draggableicons.qrc b/examples/widgets/draganddrop/draggableicons/draggableicons.qrc new file mode 100644 index 0000000000..63f84ac066 --- /dev/null +++ b/examples/widgets/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/widgets/draganddrop/draggableicons/dragwidget.cpp b/examples/widgets/draganddrop/draggableicons/dragwidget.cpp new file mode 100644 index 0000000000..93a02a4647 --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/dragwidget.cpp @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** 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 "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(10, 10); + boatIcon->show(); + boatIcon->setAttribute(Qt::WA_DeleteOnClose); + + QLabel *carIcon = new QLabel(this); + carIcon->setPixmap(QPixmap(":/images/car.png")); + carIcon->move(100, 10); + carIcon->show(); + carIcon->setAttribute(Qt::WA_DeleteOnClose); + + QLabel *houseIcon = new QLabel(this); + houseIcon->setPixmap(QPixmap(":/images/house.png")); + houseIcon->move(10, 80); + 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/widgets/draganddrop/draggableicons/dragwidget.h b/examples/widgets/draganddrop/draggableicons/dragwidget.h new file mode 100644 index 0000000000..b2fae51c5e --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/dragwidget.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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/widgets/draganddrop/draggableicons/images/boat.png b/examples/widgets/draganddrop/draggableicons/images/boat.png Binary files differnew file mode 100644 index 0000000000..46c894f06b --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/images/boat.png diff --git a/examples/widgets/draganddrop/draggableicons/images/car.png b/examples/widgets/draganddrop/draggableicons/images/car.png Binary files differnew file mode 100644 index 0000000000..3cb35e56cb --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/images/car.png diff --git a/examples/widgets/draganddrop/draggableicons/images/house.png b/examples/widgets/draganddrop/draggableicons/images/house.png Binary files differnew file mode 100644 index 0000000000..ee9d5b1159 --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/images/house.png diff --git a/examples/widgets/draganddrop/draggableicons/main.cpp b/examples/widgets/draganddrop/draggableicons/main.cpp new file mode 100644 index 0000000000..5a7120c9d5 --- /dev/null +++ b/examples/widgets/draganddrop/draggableicons/main.cpp @@ -0,0 +1,61 @@ +/**************************************************************************** +** +** 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 <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(); +} |