source: trunk/doc/src/snippets/textdocument-imageformat/main.cpp@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 3.4 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the documentation of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtGui>
43
44QString tr(const char *text)
45{
46 return QApplication::translate(text, text);
47}
48
49int main(int argc, char *argv[])
50{
51 QApplication app(argc, argv);
52 QTextEdit *editor = new QTextEdit;
53
54 QTextDocument *document = new QTextDocument(editor);
55 QTextCursor cursor(document);
56
57 QTextImageFormat imageFormat;
58 imageFormat.setName(":/images/advert.png");
59 cursor.insertImage(imageFormat);
60
61 QTextBlock block = cursor.block();
62 QTextFragment fragment;
63 QTextBlock::iterator it;
64
65 for (it = block.begin(); !(it.atEnd()); ++it) {
66 fragment = it.fragment();
67
68 if (fragment.contains(cursor.position()))
69 break;
70 }
71
72//! [0]
73 if (fragment.isValid()) {
74 QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();
75
76 if (newImageFormat.isValid()) {
77 newImageFormat.setName(":/images/newimage.png");
78 QTextCursor helper = cursor;
79
80 helper.setPosition(fragment.position());
81 helper.setPosition(fragment.position() + fragment.length(),
82 QTextCursor::KeepAnchor);
83 helper.setCharFormat(newImageFormat);
84//! [0] //! [1]
85 }
86//! [1] //! [2]
87 }
88//! [2]
89
90 cursor.insertBlock();
91 cursor.insertText("Code less. Create more.");
92
93 editor->setDocument(document);
94 editor->setWindowTitle(tr("Text Document Image Format"));
95 editor->resize(320, 480);
96 editor->show();
97
98 return app.exec();
99}
Note: See TracBrowser for help on using the repository browser.