1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the documentation of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:BSD$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** BSD License Usage
18 ** Alternatively, you may use this file under the terms of the BSD license
19 ** as follows:
20 **
21 ** "Redistribution and use in source and binary forms, with or without
22 ** modification, are permitted provided that the following conditions are
23 ** met:
24 ** * Redistributions of source code must retain the above copyright
25 ** notice, this list of conditions and the following disclaimer.
26 ** * Redistributions in binary form must reproduce the above copyright
27 ** notice, this list of conditions and the following disclaimer in
28 ** the documentation and/or other materials provided with the
29 ** distribution.
30 ** * Neither the name of The Qt Company Ltd nor the names of its
31 ** contributors may be used to endorse or promote products derived
32 ** from this software without specific prior written permission.
33 **
34 **
35 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46 **
47 ** $QT_END_LICENSE$
48 **
49 ****************************************************************************/
50
51 #include <QtWidgets>
52
53 #include "dragwidget.h"
54 #include "mainwindow.h"
55
MainWindow(QWidget * parent)56 MainWindow::MainWindow(QWidget *parent)
57 : QMainWindow(parent)
58 {
59 QFrame *centralWidget = new QFrame(this);
60
61 QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), centralWidget);
62 mimeTypeCombo = new QComboBox(centralWidget);
63
64 QLabel *dataLabel = new QLabel(tr("Amount of data (bytes):"), centralWidget);
65 dragWidget = new DragWidget(centralWidget);
66
67 connect(dragWidget, &DragWidget::mimeTypes,
68 this, &MainWindow::setMimeTypes);
69 connect(dragWidget, &DragWidget:dragResult,
70 this, &MainWindow::setDragResult);
71
72 QVBoxLayout *mainLayout = new QVBoxLayout(centralWidget);
73 mainLayout->addWidget(mimeTypeLabel);
74 mainLayout->addWidget(mimeTypeCombo);
75 mainLayout->addSpacing(32);
76 mainLayout->addWidget(dataLabel);
77 mainLayout->addWidget(dragWidget);
78
79 statusBar();
80 dragWidget->setData(QString("text/plain"), QByteArray("Hello world"));
81 setCentralWidget(centralWidget);
82 setWindowTitle(tr("Drag and Drop"));
83 }
84
setDragResult(const QString & actionText)85 void MainWindow::setDragResult(const QString &actionText)
86 {
87 statusBar()->showMessage(actionText);
88 }
89
setMimeTypes(const QStringList & types)90 void MainWindow::setMimeTypes(const QStringList &types)
91 {
92 mimeTypeCombo->clear();
93 mimeTypeCombo->addItems(types);
94 }
95