source: trunk/doc/src/snippets/code/doc_src_qt4-styles.qdoc@ 561

Last change on this file since 561 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

File size: 2.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this 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 have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42//! [0]
43const QStyleOptionFocusRect *focusRectOption =
44 qstyleoption_cast<const QStyleOptionFocusRect *>(option);
45if (focusRectOption) {
46 ...
47}
48//! [0]
49
50
51//! [1]
52void MyWidget::paintEvent(QPaintEvent *event)
53{
54 QPainter painter(this);
55 ...
56
57 QStyleOptionFocusRect option(1);
58 option.init(this);
59 option.backgroundColor = palette().color(QPalette::Window);
60
61 style().drawPrimitive(QStyle::PE_FrameFocusRect, &option, &painter,
62 this);
63}
64//! [1]
65
66
67//! [2]
68void drawControl(ControlElement element,
69 QPainter *painter,
70 const QWidget *widget,
71 const QRect &rect,
72 const QColorGroup &colorGroup,
73 SFlags how = Style_Default,
74 const QStyleOption &option = QStyleOption::Default) const;
75//! [2]
76
77
78//! [3]
79void drawControl(ControlElement element,
80 const QStyleOption *option,
81 QPainter *painter,
82 const QWidget *widget = 0) const;
83//! [3]
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