| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the documentation of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:BSD$
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| 10 | ** You may use this file under the terms of the BSD license as follows:
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| 11 | **
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| 12 | ** "Redistribution and use in source and binary forms, with or without
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| 13 | ** modification, are permitted provided that the following conditions are
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| 14 | ** met:
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| 15 | ** * Redistributions of source code must retain the above copyright
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| 16 | ** notice, this list of conditions and the following disclaimer.
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| 17 | ** * Redistributions in binary form must reproduce the above copyright
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| 18 | ** notice, this list of conditions and the following disclaimer in
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| 19 | ** the documentation and/or other materials provided with the
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| 20 | ** distribution.
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| 21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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| 22 | ** the names of its contributors may be used to endorse or promote
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| 23 | ** products derived from this software without specific prior written
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| 24 | ** permission.
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| 25 | **
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| 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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| 37 | ** $QT_END_LICENSE$
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| 38 | **
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| 39 | ****************************************************************************/
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| 40 |
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| 41 | #include <QtGui>
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| 42 |
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| 43 | #include "mainwindow.h"
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| 44 |
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| 45 | MainWindow::MainWindow(QWidget *parent)
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| 46 | : QMainWindow(parent)
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| 47 | {
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| 48 | QFrame *centralFrame = new QFrame(this);
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| 49 |
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| 50 | QLabel *nameLabel = new QLabel(tr("Comment:"), centralFrame);
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| 51 | commentEdit = new QTextEdit(centralFrame);
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| 52 | QLabel *dragLabel = new QLabel(tr("<p>Drag the icon to a filer "
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| 53 | "window or the desktop background:</p>"),
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| 54 | centralFrame);
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| 55 | iconLabel = new QLabel(centralFrame);
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| 56 | iconPixmap.load(":/images/file.png");
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| 57 | iconLabel->setPixmap(iconPixmap);
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| 58 |
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| 59 | QGridLayout *grid = new QGridLayout(centralFrame);
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| 60 | grid->addWidget(nameLabel, 0, 0);
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| 61 | grid->addWidget(commentEdit, 1, 0, 1, 2);
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| 62 | grid->addWidget(dragLabel, 2, 0);
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| 63 | grid->addWidget(iconLabel, 2, 1);
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| 64 |
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| 65 | statusBar();
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| 66 | setCentralWidget(centralFrame);
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| 67 | setWindowTitle(tr("Dragging"));
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| 68 | }
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| 69 |
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| 70 | //! [0]
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| 71 | void MainWindow::mousePressEvent(QMouseEvent *event)
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| 72 | {
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| 73 | if (event->button() == Qt::LeftButton
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| 74 | && iconLabel->geometry().contains(event->pos())) {
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| 75 |
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| 76 | //! [1]
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| 77 | QDrag *drag = new QDrag(this);
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| 78 | QMimeData *mimeData = new QMimeData;
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| 79 |
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| 80 | mimeData->setText(commentEdit->toPlainText());
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| 81 | drag->setMimeData(mimeData);
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| 82 | //! [1]
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| 83 | drag->setPixmap(iconPixmap);
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| 84 |
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| 85 | Qt::DropAction dropAction = drag->exec();
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| 86 | //! [0]
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| 87 |
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| 88 | QString actionText;
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| 89 | switch (dropAction) {
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| 90 | case Qt::CopyAction:
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| 91 | actionText = tr("The text was copied.");
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| 92 | break;
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| 93 | case Qt::MoveAction:
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| 94 | actionText = tr("The text was moved.");
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| 95 | break;
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| 96 | case Qt::LinkAction:
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| 97 | actionText = tr("The text was linked.");
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| 98 | break;
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| 99 | case Qt::IgnoreAction:
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| 100 | actionText = tr("The drag was ignored.");
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| 101 | break;
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| 102 | default:
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| 103 | actionText = tr("Unknown action.");
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| 104 | break;
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| 105 | }
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| 106 | statusBar()->showMessage(actionText);
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| 107 | //! [2]
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| 108 | }
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| 109 | }
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| 110 | //! [2]
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