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    41 

    42 //

    43 //  W A R N I N G

    44 //  -------------

    45 //

    46 // This file is not part of the Qt API.  It exists for the convenience

    47 // of the Qt tools.  This header

    48 // file may change from version to version without notice, or even be removed.

    49 //

    50 // We mean it.

    51 //

    52 

    53 #ifndef FONTPANEL_H

    54 #define FONTPANEL_H

    55 

    56 #include <QtGui/QGroupBox>

    57 #include <QtGui/QFont>

    58 #include <QtGui/QFontDatabase>

    59 

    60 QT_BEGIN_NAMESPACE

    61 

    62 class QComboBox;

    63 class QFontComboBox;

    64 class QTimer;

    65 class QLineEdit;

    66 

    67 class FontPanel: public QGroupBox

    68 {

    69     Q_OBJECT

    70 public:

    71     FontPanel(QWidget *parentWidget = 0);

    72 

    73     QFont selectedFont() const;

    74     void setSelectedFont(const QFont &);

    75 

    76     QFontDatabase::WritingSystem writingSystem() const;

    77     void setWritingSystem(QFontDatabase::WritingSystem ws);

    78 

    79 private slots:

    80     void slotWritingSystemChanged(int);

    81     void slotFamilyChanged(const QFont &);

    82     void slotStyleChanged(int);

    83     void slotPointSizeChanged(int);

    84     void slotUpdatePreviewFont();

    85 

    86 private:

    87     QString family() const;

    88     QString styleString() const;

    89     int pointSize() const;

    90     int closestPointSizeIndex(int ps) const;

    91 

    92     void updateWritingSystem(QFontDatabase::WritingSystem ws);

    93     void updateFamily(const QString &family);

    94     void updatePointSizes(const QString &family, const QString &style);

    95     void delayedPreviewFontUpdate();

    96 

    97     QFontDatabase m_fontDatabase;

    98     QLineEdit *m_previewLineEdit;

    99     QComboBox *m_writingSystemComboBox;

   100     QFontComboBox* m_familyComboBox;

   101     QComboBox *m_styleComboBox;

   102     QComboBox *m_pointSizeComboBox;

   103     QTimer *m_previewFontUpdateTimer;

   104 };

   105 

   106 QT_END_NAMESPACE

   107 

   108 #endif // FONTPANEL_H