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 //! [0]
52 QToolButton *button = new QToolButton;
53 button->setIcon(QIcon("open.xpm"));
54 //! [0]
55 
56 
57 //! [1]
58 button->setIcon(QIcon());
59 //! [1]
60 
61 
62 //! [2]
drawIcon(QPainter * painter,QPoint pos)63 void MyWidget::drawIcon(QPainter *painter, QPoint pos)
64 {
65     QPixmap pixmap = icon.pixmap(QSize(22, 22),
66                                    isEnabled() ? QIcon::Normal
67                                                : QIcon::Disabled,
68                                    isChecked() ? QIcon::On
69                                                : QIcon::Off);
70     painter->drawPixmap(pos, pixmap);
71 }
72 //! [2]
73 
74 //! [3]
75     QIcon undoicon = QIcon::fromTheme("edit-undo");
76 //! [3]
77 
78 //! [4]
79     QIcon undoicon = QIcon::fromTheme("edit-undo", QIcon(":/undo.png"));
80 //! [4]
81 
82 //! [5]
83     QIcon::setFallbackSearchPaths(QIcon::fallbackSearchPaths() << "my/search/path");
84 //! [5]
85