src/gui/kernel/qboxlayout.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 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 QtGui module 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 #ifndef QBOXLAYOUT_H
       
    43 #define QBOXLAYOUT_H
       
    44 
       
    45 #include <QtGui/qlayout.h>
       
    46 #ifdef QT_INCLUDE_COMPAT
       
    47 #include <QtGui/qwidget.h>
       
    48 #endif
       
    49 
       
    50 #include <limits.h>
       
    51 
       
    52 QT_BEGIN_HEADER
       
    53 
       
    54 QT_BEGIN_NAMESPACE
       
    55 
       
    56 QT_MODULE(Gui)
       
    57 
       
    58 class QBoxLayoutPrivate;
       
    59 
       
    60 class Q_GUI_EXPORT QBoxLayout : public QLayout
       
    61 {
       
    62     Q_OBJECT
       
    63     Q_DECLARE_PRIVATE(QBoxLayout)
       
    64 public:
       
    65     enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
       
    66                      Down = TopToBottom, Up = BottomToTop };
       
    67 
       
    68     explicit QBoxLayout(Direction, QWidget *parent = 0);
       
    69 
       
    70 #ifdef QT3_SUPPORT
       
    71     QT3_SUPPORT_CONSTRUCTOR QBoxLayout(QWidget *parent, Direction, int border = 0, int spacing = -1,
       
    72                 const char *name = 0);
       
    73     QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(QLayout *parentLayout, Direction, int spacing = -1,
       
    74                 const char *name = 0);
       
    75     QT3_SUPPORT_CONSTRUCTOR  QBoxLayout(Direction, int spacing, const char *name = 0);
       
    76 #endif
       
    77     ~QBoxLayout();
       
    78 
       
    79     Direction direction() const;
       
    80     void setDirection(Direction);
       
    81 
       
    82     void addSpacing(int size);
       
    83     void addStretch(int stretch = 0);
       
    84     void addSpacerItem(QSpacerItem *spacerItem);
       
    85     void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = 0);
       
    86     void addLayout(QLayout *layout, int stretch = 0);
       
    87     void addStrut(int);
       
    88     void addItem(QLayoutItem *);
       
    89 
       
    90     void insertSpacing(int index, int size);
       
    91     void insertStretch(int index, int stretch = 0);
       
    92     void insertSpacerItem(int index, QSpacerItem *spacerItem);
       
    93     void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = 0);
       
    94     void insertLayout(int index, QLayout *layout, int stretch = 0);
       
    95 
       
    96     int spacing() const;
       
    97     void setSpacing(int spacing);
       
    98 
       
    99     bool setStretchFactor(QWidget *w, int stretch);
       
   100     bool setStretchFactor(QLayout *l, int stretch);
       
   101     void setStretch(int index, int stretch);
       
   102     int stretch(int index) const;
       
   103 
       
   104     QSize sizeHint() const;
       
   105     QSize minimumSize() const;
       
   106     QSize maximumSize() const;
       
   107 
       
   108     bool hasHeightForWidth() const;
       
   109     int heightForWidth(int) const;
       
   110     int minimumHeightForWidth(int) const;
       
   111 
       
   112     Qt::Orientations expandingDirections() const;
       
   113     void invalidate();
       
   114     QLayoutItem *itemAt(int) const;
       
   115     QLayoutItem *takeAt(int);
       
   116     int count() const;
       
   117     void setGeometry(const QRect&);
       
   118 #ifdef QT3_SUPPORT
       
   119     inline QT3_SUPPORT int findWidget(QWidget* w) {return indexOf(w);}
       
   120 #endif
       
   121 protected:
       
   122     // ### Qt 5: make public
       
   123     void insertItem(int index, QLayoutItem *);
       
   124 
       
   125 private:
       
   126     Q_DISABLE_COPY(QBoxLayout)
       
   127 };
       
   128 
       
   129 class Q_GUI_EXPORT QHBoxLayout : public QBoxLayout
       
   130 {
       
   131     Q_OBJECT
       
   132 public:
       
   133     QHBoxLayout();
       
   134     explicit QHBoxLayout(QWidget *parent);
       
   135     ~QHBoxLayout();
       
   136 
       
   137 #ifdef QT3_SUPPORT
       
   138     QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QWidget *parent, int border,
       
   139                  int spacing = -1, const char *name = 0);
       
   140     QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(QLayout *parentLayout,
       
   141                  int spacing = -1, const char *name = 0);
       
   142     QT3_SUPPORT_CONSTRUCTOR QHBoxLayout(int spacing, const char *name = 0);
       
   143 #endif
       
   144 
       
   145 private:
       
   146     Q_DISABLE_COPY(QHBoxLayout)
       
   147 };
       
   148 
       
   149 class Q_GUI_EXPORT QVBoxLayout : public QBoxLayout
       
   150 {
       
   151     Q_OBJECT
       
   152 public:
       
   153     QVBoxLayout();
       
   154     explicit QVBoxLayout(QWidget *parent);
       
   155     ~QVBoxLayout();
       
   156 
       
   157 #ifdef QT3_SUPPORT
       
   158     QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QWidget *parent, int border,
       
   159                  int spacing = -1, const char *name = 0);
       
   160     QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(QLayout *parentLayout,
       
   161                  int spacing = -1, const char *name = 0);
       
   162     QT3_SUPPORT_CONSTRUCTOR QVBoxLayout(int spacing, const char *name = 0);
       
   163 #endif
       
   164 
       
   165 private:
       
   166     Q_DISABLE_COPY(QVBoxLayout)
       
   167 };
       
   168 
       
   169 QT_END_NAMESPACE
       
   170 
       
   171 QT_END_HEADER
       
   172 
       
   173 #endif // QBOXLAYOUT_H