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# qmargins.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QMARGINS_H
    00043 #define QMARGINS_H
    00044
    00045 #include <QtCore/qnamespace.h>
    00046
    00047 QT_BEGIN_HEADER
    00048
    00049 QT_BEGIN_NAMESPACE
    00050
    00051 QT_MODULE(Core)
    00052
    00053 class QMargins
    00054 {
    00055 public:
    00056     QMargins();
    00057     QMargins(int left, int top, int right, int bottom);
    00058
    00059     bool isNull() const;
    00060
    00061     int left() const;
    00062     int top() const;
    00063     int right() const;
    00064     int bottom() const;
    00065
    00066     void setLeft(int left);
    00067     void setTop(int top);
    00068     void setRight(int right);
    00069     void setBottom(int bottom);
    00070
    00071 private:
    00072     int m_left;
    00073     int m_top;
    00074     int m_right;
    00075     int m_bottom;
    00076
    00077     friend inline bool operator==(const QMargins &, const QMargins &);
    00078     friend inline bool operator!=(const QMargins &, const QMargins &);
    00079 };
    00080
    00081 Q_DECLARE_TYPEINFO(QMargins, Q_MOVABLE_TYPE);
    00082
    00083 /*****************************************************************************
    00084   QMargins inline functions
    00085  *****************************************************************************/
    00086
    00087 inline QMargins::QMargins()
    00088 { m_top = m_bottom = m_left = m_right = 0; }
    00089
    00090 inline QMargins::QMargins(int aleft, int atop, int aright, int abottom)
    00091     : m_left(aleft), m_top(atop), m_right(aright), m_bottom(abottom) {}
    00092
    00093 inline bool QMargins::isNull() const
    00094 { return m_left==0 && m_top==0 && m_right==0 && m_bottom==0; }
    00095
    00096 inline int QMargins::left() const
    00097 { return m_left; }
    00098
    00099 inline int QMargins::top() const
    00100 { return m_top; }
    00101
    00102 inline int QMargins::right() const
    00103 { return m_right; }
    00104
    00105 inline int QMargins::bottom() const
    00106 { return m_bottom; }
    00107
    00108
    00109 inline void QMargins::setLeft(int aleft)
    00110 { m_left = aleft; }
    00111
    00112 inline void QMargins::setTop(int atop)
    00113 { m_top = atop; }
    00114
    00115 inline void QMargins::setRight(int aright)
    00116 { m_right = aright; }
    00117
    00118 inline void QMargins::setBottom(int abottom)
    00119 { m_bottom = abottom; }
    00120
    00121 inline bool operator==(const QMargins &m1, const QMargins &m2)
    00122 {
    00123     return
    00124             m1.m_left == m2.m_left &&
    00125             m1.m_top == m2.m_top &&
    00126             m1.m_right == m2.m_right &&
    00127             m1.m_bottom == m2.m_bottom;
    00128 }
    00129
    00130 inline bool operator!=(const QMargins &m1, const QMargins &m2)
    00131 {
    00132     return
    00133             m1.m_left != m2.m_left ||
    00134             m1.m_top != m2.m_top ||
    00135             m1.m_right != m2.m_right ||
    00136             m1.m_bottom != m2.m_bottom;
    00137 }
    00138
    00139 #ifndef QT_NO_DEBUG_STREAM
    00140 Q_CORE_EXPORT QDebug operator<<(QDebug, const QMargins &);
    00141 #endif
    00142
    00143 QT_END_NAMESPACE
    00144
    00145 QT_END_HEADER
    00146
    00147 #endif // QMARGINS_H