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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     5 **

     6 ** This file is part of the examples of the Qt Toolkit.

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    10 ** This file contains pre-release code and may not be distributed.

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    15 ** GNU Lesser General Public License Usage

    16 ** Alternatively, this file may be used under the terms of the GNU Lesser

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    24 ** additional rights. These rights are described in the Nokia Qt LGPL

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    28 ** GNU General Public License Usage

    29 ** Alternatively, this file may be used under the terms of the GNU

    30 ** General Public License version 3.0 as published by the Free Software

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    33 ** ensure the GNU General Public License version 3.0 requirements will be

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "label.h"

    45 

    46 Label::Label(const QString& text, QGraphicsItem *parent) 

    47     : GvbWidget(parent)

    48 {

    49     m_textItem = new QGraphicsSimpleTextItem(this);

    50     setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

    51     setContentsMargins(0, 0, 0, 0);

    52     setText(text);

    53 #if QT_VERSION >= 0x040600

    54     // This flag was introduced in Qt 4.6.

    55     setFlag(QGraphicsItem::ItemHasNoContents, true);

    56 #endif

    57 }

    58 

    59 Label::~Label()

    60 {

    61 }

    62 

    63 void Label::setText(const QString& text) 

    64 { 

    65     m_textItem->setText(text);

    66     prepareGeometryChange();

    67 }

    68 

    69 QString Label::text() const

    70 {

    71     return m_textItem->text();

    72 }

    73 

    74 void Label::setFont(const QFont font)

    75 {

    76     m_textItem->setFont(font);

    77 }

    78 

    79 void Label::resizeEvent(QGraphicsSceneResizeEvent *event) 

    80 {

    81     GvbWidget::resizeEvent(event);

    82 }

    83 

    84 QSizeF Label::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const

    85 {

    86     switch (which)

    87     {

    88     case Qt::MinimumSize:

    89         // fall thru

    90     case Qt::PreferredSize:

    91         {

    92         QFontMetricsF fm(m_textItem->font());

    93         return QSizeF(fm.width(m_textItem->text()), fm.height());

    94         }

    95     default:

    96         return GvbWidget::sizeHint(which, constraint);

    97     }

    98 }