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 QPUSHBUTTON_H

    43 #define QPUSHBUTTON_H

    44 

    45 #include <QtGui/qabstractbutton.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 class QPushButtonPrivate;

    54 class QMenu;

    55 class QStyleOptionButton;

    56 

    57 class Q_GUI_EXPORT QPushButton : public QAbstractButton

    58 {

    59     Q_OBJECT

    60 

    61     Q_PROPERTY(bool autoDefault READ autoDefault WRITE setAutoDefault)

    62     Q_PROPERTY(bool default READ isDefault WRITE setDefault)

    63     Q_PROPERTY(bool flat READ isFlat WRITE setFlat)

    64 

    65 public:

    66     explicit QPushButton(QWidget *parent=0);

    67     explicit QPushButton(const QString &text, QWidget *parent=0);

    68     QPushButton(const QIcon& icon, const QString &text, QWidget *parent=0);

    69     ~QPushButton();

    70 

    71     QSize sizeHint() const;

    72     QSize minimumSizeHint() const;

    73 

    74     bool autoDefault() const;

    75     void setAutoDefault(bool);

    76     bool isDefault() const;

    77     void setDefault(bool);

    78 

    79 #ifndef QT_NO_MENU

    80     void setMenu(QMenu* menu);

    81     QMenu* menu() const;

    82 #endif

    83 

    84     void setFlat(bool);

    85     bool isFlat() const;

    86 

    87 public Q_SLOTS:

    88 #ifndef QT_NO_MENU

    89     void showMenu();

    90 #endif

    91 

    92 protected:

    93     bool event(QEvent *e);

    94     void paintEvent(QPaintEvent *);

    95     void keyPressEvent(QKeyEvent *);

    96     void focusInEvent(QFocusEvent *);

    97     void focusOutEvent(QFocusEvent *);

    98     void initStyleOption(QStyleOptionButton *option) const;

    99     QPushButton(QPushButtonPrivate &dd, QWidget* parent = 0);

   100 

   101 public:

   102 #ifdef QT3_SUPPORT

   103     QT3_SUPPORT_CONSTRUCTOR QPushButton(QWidget *parent, const char* name);

   104     QT3_SUPPORT_CONSTRUCTOR QPushButton(const QString &text, QWidget *parent, const char* name);

   105     QT3_SUPPORT_CONSTRUCTOR QPushButton(const QIcon& icon, const QString &text, QWidget *parent, const char* name);

   106     inline QT3_SUPPORT void openPopup()  { showMenu(); }

   107     inline QT3_SUPPORT bool isMenuButton() const { return menu() !=  0; }

   108     inline QT3_SUPPORT void setPopup(QMenu* popup) {setMenu(popup); }

   109     inline QT3_SUPPORT QMenu* popup() const { return menu(); }

   110 #endif

   111 

   112 private:

   113     Q_DISABLE_COPY(QPushButton)

   114     Q_DECLARE_PRIVATE(QPushButton)

   115 #ifndef QT_NO_MENU        

   116     Q_PRIVATE_SLOT(d_func(), void _q_popupPressed())

   117 #endif

   118 };

   119 

   120 QT_END_NAMESPACE

   121 

   122 QT_END_HEADER

   123 

   124 #endif // QPUSHBUTTON_H