/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the documentation 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 Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include "mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { QFrame *centralFrame = new QFrame(this); QLabel *nameLabel = new QLabel(tr("Comment:"), centralFrame); commentEdit = new QTextEdit(centralFrame); QLabel *dragLabel = new QLabel(tr("

Drag the icon to a filer " "window or the desktop background:

"), centralFrame); iconLabel = new QLabel(centralFrame); iconPixmap.load(":/images/file.png"); iconLabel->setPixmap(iconPixmap); QGridLayout *grid = new QGridLayout(centralFrame); grid->addWidget(nameLabel, 0, 0); grid->addWidget(commentEdit, 1, 0, 1, 2); grid->addWidget(dragLabel, 2, 0); grid->addWidget(iconLabel, 2, 1); statusBar(); setCentralWidget(centralFrame); setWindowTitle(tr("Dragging")); } //! [0] void MainWindow::mousePressEvent(QMouseEvent *event) { if (event->button() == Qt::LeftButton && iconLabel->geometry().contains(event->pos())) { //! [1] QDrag *drag = new QDrag(this); QMimeData *mimeData = new QMimeData; mimeData->setText(commentEdit->toPlainText()); drag->setMimeData(mimeData); //! [1] drag->setPixmap(iconPixmap); Qt::DropAction dropAction = drag->exec(); //! [0] QString actionText; switch (dropAction) { case Qt::CopyAction: actionText = tr("The text was copied."); break; case Qt::MoveAction: actionText = tr("The text was moved."); break; case Qt::LinkAction: actionText = tr("The text was linked."); break; case Qt::IgnoreAction: actionText = tr("The drag was ignored."); break; default: actionText = tr("Unknown action."); break; } statusBar()->showMessage(actionText); //! [2] } } //! [2]