QtBase  v6.3.1
qdebugsnippet.cpp
Go to the documentation of this file.
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 #include <QtGui>
52 #include <QtDebug>
53 
54 class Coordinate : public QObject
55 {
56 public:
57  int myX, myY;
58 
59  int x() const { return myX; };
60  int y() const { return myY; };
61 };
62 
65 {
66  QDebugStateSaver saver(debug);
67  debug.nospace() << '(' << c.x() << ", " << c.y() << ')';
68 
69  return debug;
70 }
72 
73 int main(int argv, char **args)
74 {
75  Coordinate coordinate;
76  coordinate.myX = 10;
77  coordinate.myY = 44;
78 
80  qDebug() << "Date:" << QDate::currentDate();
81  qDebug() << "Types:" << QString("String") << QChar('x') << QRect(0, 10, 50, 40);
82  qDebug() << "Custom coordinate type:" << coordinate;
84 }
int x() const
int y() const
The QChar class provides a 16-bit Unicode character.
Definition: qchar.h:84
operator<<(QDataStream &ds, qfloat16 f)
Definition: qfloat16.cpp:327
static QDate currentDate()
The QDebug class provides an output stream for debugging information.
Definition: qdebug.h:65
Convenience class for custom QDebug operators.
Definition: qdebug.h:176
The QObject class is the base class of all Qt objects.
Definition: qobject.h:125
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:59
#define QString()
Definition: parse-defines.h:51
int main(int argv, char **args)
[0]
#define qDebug
[1]
Definition: qlogging.h:177
const GLubyte * c
Definition: qopenglext.h:12701