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 QSTACKEDLAYOUT_H

    43 #define QSTACKEDLAYOUT_H

    44 

    45 #include <QtGui/qlayout.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 class QStackedLayoutPrivate;

    54 

    55 class Q_GUI_EXPORT QStackedLayout : public QLayout

    56 {

    57     Q_OBJECT

    58     Q_DECLARE_PRIVATE(QStackedLayout)

    59     Q_ENUMS(StackingMode)

    60     Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)

    61     Q_PROPERTY(StackingMode stackingMode READ stackingMode WRITE setStackingMode)

    62     QDOC_PROPERTY(int count READ count)

    63 

    64 public:

    65     enum StackingMode {

    66         StackOne,

    67         StackAll

    68     };

    69 

    70     QStackedLayout();

    71     explicit QStackedLayout(QWidget *parent);

    72     explicit QStackedLayout(QLayout *parentLayout);

    73     ~QStackedLayout();

    74 

    75     int addWidget(QWidget *w);

    76     int insertWidget(int index, QWidget *w);

    77 

    78     QWidget *currentWidget() const;

    79     int currentIndex() const;

    80 #ifdef Q_NO_USING_KEYWORD

    81     inline QWidget *widget() { return QLayout::widget(); }

    82 #else

    83     using QLayout::widget;

    84 #endif

    85     QWidget *widget(int) const;

    86     int count() const;

    87 

    88     StackingMode stackingMode() const;

    89     void setStackingMode(StackingMode stackingMode);

    90 

    91     // abstract virtual functions:

    92     void addItem(QLayoutItem *item);

    93     QSize sizeHint() const;

    94     QSize minimumSize() const;

    95     QLayoutItem *itemAt(int) const;

    96     QLayoutItem *takeAt(int);

    97     void setGeometry(const QRect &rect);

    98 

    99 Q_SIGNALS:

   100     void widgetRemoved(int index);

   101     void currentChanged(int index);

   102 

   103 public Q_SLOTS:

   104     void setCurrentIndex(int index);

   105     void setCurrentWidget(QWidget *w);

   106 

   107 private:

   108     Q_DISABLE_COPY(QStackedLayout)

   109 };

   110 

   111 QT_END_NAMESPACE

   112 

   113 QT_END_HEADER

   114 

   115 #endif // QSTACKEDLAYOUT_H