1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the documentation of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include <QtGui>
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43 |
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44 | #include "mainwindow.h"
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45 |
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46 | MainWindow::MainWindow(QWidget *parent)
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47 | : QMainWindow(parent)
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48 | {
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49 | QFrame *centralFrame = new QFrame(this);
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50 |
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51 | QLabel *nameLabel = new QLabel(tr("Comment:"), centralFrame);
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52 | commentEdit = new QTextEdit(centralFrame);
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53 | QLabel *dragLabel = new QLabel(tr("<p>Drag the icon to a filer "
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54 | "window or the desktop background:</p>"),
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55 | centralFrame);
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56 | iconLabel = new QLabel(centralFrame);
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57 | iconPixmap.load(":/images/file.png");
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58 | iconLabel->setPixmap(iconPixmap);
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59 |
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60 | QGridLayout *grid = new QGridLayout(centralFrame);
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61 | grid->addWidget(nameLabel, 0, 0);
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62 | grid->addWidget(commentEdit, 1, 0, 1, 2);
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63 | grid->addWidget(dragLabel, 2, 0);
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64 | grid->addWidget(iconLabel, 2, 1);
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65 |
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66 | statusBar();
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67 | setCentralWidget(centralFrame);
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68 | setWindowTitle(tr("Dragging"));
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69 | }
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70 |
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71 | //! [0]
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72 | void MainWindow::mousePressEvent(QMouseEvent *event)
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73 | {
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74 | if (event->button() == Qt::LeftButton
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75 | && iconLabel->geometry().contains(event->pos())) {
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76 |
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77 | //! [1]
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78 | QDrag *drag = new QDrag(this);
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79 | QMimeData *mimeData = new QMimeData;
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80 |
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81 | mimeData->setText(commentEdit->toPlainText());
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82 | drag->setMimeData(mimeData);
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83 | //! [1]
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84 | drag->setPixmap(iconPixmap);
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85 |
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86 | Qt::DropAction dropAction = drag->exec();
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87 | //! [0]
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88 |
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89 | QString actionText;
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90 | switch (dropAction) {
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91 | case Qt::CopyAction:
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92 | actionText = tr("The text was copied.");
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93 | break;
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94 | case Qt::MoveAction:
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95 | actionText = tr("The text was moved.");
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96 | break;
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97 | case Qt::LinkAction:
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98 | actionText = tr("The text was linked.");
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99 | break;
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100 | case Qt::IgnoreAction:
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101 | actionText = tr("The drag was ignored.");
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102 | break;
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103 | default:
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104 | actionText = tr("Unknown action.");
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105 | break;
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106 | }
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107 | statusBar()->showMessage(actionText);
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108 | //! [2]
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109 | }
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110 | }
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111 | //! [2]
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