source: trunk/doc/src/snippets/clipboard/clipwindow.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 3.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#include <QtGui>
42
43#include "clipwindow.h"
44
45ClipWindow::ClipWindow(QWidget *parent)
46 : QMainWindow(parent)
47{
48 clipboard = QApplication::clipboard();
49
50 QWidget *centralWidget = new QWidget(this);
51 QWidget *currentItem = new QWidget(centralWidget);
52 QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), currentItem);
53 mimeTypeCombo = new QComboBox(currentItem);
54 QLabel *dataLabel = new QLabel(tr("Data:"), currentItem);
55 dataInfoLabel = new QLabel("", currentItem);
56
57 previousItems = new QListWidget(centralWidget);
58
59//! [0]
60 connect(clipboard, SIGNAL(dataChanged()), this, SLOT(updateClipboard()));
61//! [0]
62 connect(mimeTypeCombo, SIGNAL(activated(const QString &)),
63 this, SLOT(updateData(const QString &)));
64
65 QVBoxLayout *currentLayout = new QVBoxLayout(currentItem);
66 currentLayout->addWidget(mimeTypeLabel);
67 currentLayout->addWidget(mimeTypeCombo);
68 currentLayout->addWidget(dataLabel);
69 currentLayout->addWidget(dataInfoLabel);
70 currentLayout->addStretch(1);
71
72 QHBoxLayout *mainLayout = new QHBoxLayout(centralWidget);
73 mainLayout->addWidget(currentItem, 1);
74 mainLayout->addWidget(previousItems);
75
76 setCentralWidget(centralWidget);
77 setWindowTitle(tr("Clipboard"));
78}
79
80//! [1]
81void ClipWindow::updateClipboard()
82{
83 QStringList formats = clipboard->mimeData()->formats();
84 QByteArray data = clipboard->mimeData()->data(format);
85//! [1]
86
87 mimeTypeCombo->clear();
88 mimeTypeCombo->insertStringList(formats);
89
90 int size = clipboard->mimeData()->data(formats[0]).size();
91 QListWidgetItem *newItem = new QListWidgetItem(previousItems);
92 newItem->setText(tr("%1 (%2 bytes)").arg(formats[0]).arg(size));
93
94 updateData(formats[0]);
95//! [2]
96}
97//! [2]
98
99void ClipWindow::updateData(const QString &format)
100{
101 QByteArray data = clipboard->mimeData()->data(format);
102 dataInfoLabel->setText(tr("%1 bytes").arg(data.size()));
103}
Note: See TracBrowser for help on using the repository browser.