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 QLABEL_H

    43 #define QLABEL_H

    44 

    45 #include <QtGui/qframe.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 class QLabelPrivate;

    54 

    55 class Q_GUI_EXPORT QLabel : public QFrame

    56 {

    57     Q_OBJECT

    58     Q_PROPERTY(QString text READ text WRITE setText)

    59     Q_PROPERTY(Qt::TextFormat textFormat READ textFormat WRITE setTextFormat)

    60     Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)

    61     Q_PROPERTY(bool scaledContents READ hasScaledContents WRITE setScaledContents)

    62     Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)

    63     Q_PROPERTY(bool wordWrap READ wordWrap WRITE setWordWrap)

    64     Q_PROPERTY(int margin READ margin WRITE setMargin)

    65     Q_PROPERTY(int indent READ indent WRITE setIndent)

    66     Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)

    67     Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)

    68 

    69 public:

    70     explicit QLabel(QWidget *parent=0, Qt::WindowFlags f=0);

    71     explicit QLabel(const QString &text, QWidget *parent=0, Qt::WindowFlags f=0);

    72     ~QLabel();

    73 

    74     QString text() const;

    75     const QPixmap *pixmap() const;

    76 #ifndef QT_NO_PICTURE

    77     const QPicture *picture() const;

    78 #endif

    79 #ifndef QT_NO_MOVIE

    80     QMovie *movie() const;

    81 #endif

    82 

    83     Qt::TextFormat textFormat() const;

    84     void setTextFormat(Qt::TextFormat);

    85 

    86     Qt::Alignment alignment() const;

    87     void setAlignment(Qt::Alignment);

    88 

    89     void setWordWrap(bool on);

    90     bool wordWrap() const;

    91 

    92     int indent() const;

    93     void setIndent(int);

    94 

    95     int margin() const;

    96     void setMargin(int);

    97 

    98     bool hasScaledContents() const;

    99     void setScaledContents(bool);

   100     QSize sizeHint() const;

   101     QSize minimumSizeHint() const;

   102 #ifndef QT_NO_SHORTCUT

   103     void setBuddy(QWidget *);

   104     QWidget *buddy() const;

   105 #endif

   106     int heightForWidth(int) const;

   107 

   108     bool openExternalLinks() const;

   109     void setOpenExternalLinks(bool open);

   110 

   111     void setTextInteractionFlags(Qt::TextInteractionFlags flags);

   112     Qt::TextInteractionFlags textInteractionFlags() const;

   113 

   114 public Q_SLOTS:

   115     void setText(const QString &);

   116     void setPixmap(const QPixmap &);

   117 #ifndef QT_NO_PICTURE

   118     void setPicture(const QPicture &);

   119 #endif

   120 #ifndef QT_NO_MOVIE

   121     void setMovie(QMovie *movie);

   122 #endif

   123     void setNum(int);

   124     void setNum(double);

   125     void clear();

   126 

   127 Q_SIGNALS:

   128     void linkActivated(const QString& link);

   129     void linkHovered(const QString& link);

   130 

   131 protected:

   132     bool event(QEvent *e);

   133     void keyPressEvent(QKeyEvent *ev);

   134     void paintEvent(QPaintEvent *);

   135     void changeEvent(QEvent *);

   136     void mousePressEvent(QMouseEvent *ev);

   137     void mouseMoveEvent(QMouseEvent *ev);

   138     void mouseReleaseEvent(QMouseEvent *ev);

   139     void contextMenuEvent(QContextMenuEvent *ev);

   140     void focusInEvent(QFocusEvent *ev);

   141     void focusOutEvent(QFocusEvent *ev);

   142     bool focusNextPrevChild(bool next);

   143 

   144 #ifdef QT3_SUPPORT

   145 public:

   146     QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *parent, const char* name, Qt::WindowFlags f=0);

   147     QT3_SUPPORT_CONSTRUCTOR QLabel(const QString &text, QWidget *parent, const char* name,

   148            Qt::WindowFlags f=0);

   149     QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *buddy, const QString &,

   150            QWidget *parent=0, const char* name=0, Qt::WindowFlags f=0);

   151     QT3_SUPPORT void setAlignment(int alignment);

   152 

   153     // don't mark the next function with QT3_SUPPORT

   154     inline void setAlignment(Qt::AlignmentFlag flag) { setAlignment((Qt::Alignment)flag); }

   155 #endif

   156 

   157 private:

   158     Q_DISABLE_COPY(QLabel)

   159     Q_DECLARE_PRIVATE(QLabel)

   160 #ifndef QT_NO_MOVIE

   161     Q_PRIVATE_SLOT(d_func(), void _q_movieUpdated(const QRect&))

   162     Q_PRIVATE_SLOT(d_func(), void _q_movieResized(const QSize&))

   163 #endif

   164     Q_PRIVATE_SLOT(d_func(), void _q_linkHovered(const QString &))

   165 

   166     friend class QTipLabel;

   167     friend class QMessageBoxPrivate;

   168     friend class QBalloonTip;

   169 };

   170 

   171 QT_END_NAMESPACE

   172 

   173 QT_END_HEADER

   174 

   175 #endif // QLABEL_H