|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2010 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 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
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 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include <QStyleOption> |
|
43 #include <QStylePainter> |
|
44 #include <QWidget> |
|
45 |
|
46 class MyWidget : public QWidget |
|
47 { |
|
48 protected: |
|
49 void paintEvent(QPaintEvent *event); |
|
50 void paintEvent2(QPaintEvent *event); |
|
51 |
|
52 }; |
|
53 |
|
54 //! [0] //! [1] |
|
55 void MyWidget::paintEvent(QPaintEvent * /* event */) |
|
56 //! [0] |
|
57 { |
|
58 //! [2] |
|
59 QPainter painter(this); |
|
60 //! [2] |
|
61 |
|
62 QStyleOptionFocusRect option; |
|
63 option.initFrom(this); |
|
64 option.backgroundColor = palette().color(QPalette::Background); |
|
65 |
|
66 //! [3] |
|
67 style()->drawPrimitive(QStyle::PE_FrameFocusRect, &option, &painter, this); |
|
68 //! [3] |
|
69 } |
|
70 //! [1] |
|
71 |
|
72 void MyWidget::paintEvent2(QPaintEvent * /* event */) |
|
73 //! [4] |
|
74 { |
|
75 //! [4] //! [5] //! [6] |
|
76 QStylePainter painter(this); |
|
77 //! [5] |
|
78 |
|
79 QStyleOptionFocusRect option; |
|
80 option.initFrom(this); |
|
81 option.backgroundColor = palette().color(QPalette::Background); |
|
82 |
|
83 //! [7] |
|
84 painter.drawPrimitive(QStyle::PE_FrameFocusRect, option); |
|
85 //! [7] |
|
86 } |
|
87 //! [6] |
|
88 |
|
89 int main() |
|
90 { |
|
91 return 0; |
|
92 } |