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     2 **

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

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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

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     7 ** This file is part of the Qt Designer of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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

    41 

    42 #ifndef FONTPROPERTYMANAGER_H

    43 #define FONTPROPERTYMANAGER_H

    44 

    45 #include <QtCore/QMap>

    46 #include <QtCore/QStringList>

    47 #include <QtGui/QFont>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 class QtProperty;

    52 class QtVariantPropertyManager;

    53 

    54 class QString;

    55 class QVariant;

    56 

    57 namespace qdesigner_internal {

    58 

    59 /* FontPropertyManager: A mixin for DesignerPropertyManager that manages font

    60  * properties. Adds an antialiasing subproperty and reset flags/mask handling

    61  * for the other subproperties. It also modifies the font family

    62  * enumeration names, which it reads from an XML mapping file that

    63  * contains annotations indicating the platform the font is available on. */

    64 

    65 class FontPropertyManager {

    66     Q_DISABLE_COPY(FontPropertyManager)

    67 

    68 public:

    69     FontPropertyManager();

    70 

    71     typedef QMap<QtProperty *, bool> ResetMap;

    72     typedef QMap<QString, QString> NameMap;

    73 

    74     // Call before QtVariantPropertyManager::initializeProperty.

    75     void preInitializeProperty(QtProperty *property, int type, ResetMap &resetMap);

    76     // Call after QtVariantPropertyManager::initializeProperty. This will trigger

    77     // a recursion for the sub properties

    78     void postInitializeProperty(QtVariantPropertyManager *vm, QtProperty *property, int type, int enumTypeId);

    79 

    80     bool uninitializeProperty(QtProperty *property);

    81 

    82     // Call from  QtPropertyManager's propertyDestroyed signal

    83     void slotPropertyDestroyed(QtProperty *property);

    84 

    85     bool resetFontSubProperty(QtVariantPropertyManager *vm, QtProperty *subProperty);

    86 

    87     // Call from slotValueChanged().

    88     enum ValueChangedResult { NoMatch, Unchanged, Changed };

    89     ValueChangedResult valueChanged(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);

    90 

    91     // Call from setValue() before calling setValue() on  QtVariantPropertyManager.

    92     void setValue(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);

    93 

    94     static bool readFamilyMapping(NameMap *rc, QString *errorMessage);

    95 

    96 private:

    97     typedef QMap<QtProperty *, QtProperty *> PropertyToPropertyMap;

    98     typedef QList<QtProperty *> PropertyList;

    99     typedef QMap<QtProperty *, PropertyList>  PropertyToSubPropertiesMap;

   100 

   101     void removeAntialiasingProperty(QtProperty *);

   102     void updateModifiedState(QtProperty *property, const QVariant &value);

   103     static int antialiasingToIndex(QFont::StyleStrategy antialias);

   104     static QFont::StyleStrategy indexToAntialiasing(int idx);

   105     static unsigned fontFlag(int idx);

   106 

   107     PropertyToPropertyMap m_propertyToAntialiasing;

   108     PropertyToPropertyMap m_antialiasingToProperty;

   109 

   110     PropertyToSubPropertiesMap m_propertyToFontSubProperties;

   111     QMap<QtProperty *, int> m_fontSubPropertyToFlag;

   112     PropertyToPropertyMap m_fontSubPropertyToProperty;

   113     QtProperty *m_createdFontProperty;

   114     QStringList m_aliasingEnumNames;

   115     // Font families with Designer annotations

   116     QStringList m_designerFamilyNames;

   117     NameMap m_familyMappings;

   118 };

   119 

   120 }

   121 

   122 QT_END_NAMESPACE

   123 

   124 #endif // FONTPROPERTYMANAGER_H