Long live Qt!

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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef FONTPROPERTYMANAGER_H
+#define FONTPROPERTYMANAGER_H
+
+#include <QtCore/QMap>
+#include <QtCore/QStringList>
+#include <QtGui/QFont>
+
+QT_BEGIN_NAMESPACE
+
+class QtProperty;
+class QtVariantPropertyManager;
+
+class QString;
+class QVariant;
+
+namespace qdesigner_internal {
+
+/* FontPropertyManager: A mixin for DesignerPropertyManager that manages font
+ * properties. Adds an antialiasing subproperty and reset flags/mask handling
+ * for the other subproperties. It also modifies the font family
+ * enumeration names, which it reads from an XML mapping file that
+ * contains annotations indicating the platform the font is available on. */
+
+class FontPropertyManager {
+    Q_DISABLE_COPY(FontPropertyManager)
+
+public:
+    FontPropertyManager();
+
+    typedef QMap<QtProperty *, bool> ResetMap;
+    typedef QMap<QString, QString> NameMap;
+
+    // Call before QtVariantPropertyManager::initializeProperty.
+    void preInitializeProperty(QtProperty *property, int type, ResetMap &resetMap);
+    // Call after QtVariantPropertyManager::initializeProperty. This will trigger
+    // a recursion for the sub properties
+    void postInitializeProperty(QtVariantPropertyManager *vm, QtProperty *property, int type, int enumTypeId);
+
+    bool uninitializeProperty(QtProperty *property);
+
+    // Call from  QtPropertyManager's propertyDestroyed signal
+    void slotPropertyDestroyed(QtProperty *property);
+
+    bool resetFontSubProperty(QtVariantPropertyManager *vm, QtProperty *subProperty);
+
+    // Call from slotValueChanged().
+    enum ValueChangedResult { NoMatch, Unchanged, Changed };
+    ValueChangedResult valueChanged(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);
+
+    // Call from setValue() before calling setValue() on  QtVariantPropertyManager.
+    void setValue(QtVariantPropertyManager *vm, QtProperty *property, const QVariant &value);
+
+    static bool readFamilyMapping(NameMap *rc, QString *errorMessage);
+
+private:
+    typedef QMap<QtProperty *, QtProperty *> PropertyToPropertyMap;
+    typedef QList<QtProperty *> PropertyList;
+    typedef QMap<QtProperty *, PropertyList>  PropertyToSubPropertiesMap;
+
+    void removeAntialiasingProperty(QtProperty *);
+    void updateModifiedState(QtProperty *property, const QVariant &value);
+    static int antialiasingToIndex(QFont::StyleStrategy antialias);
+    static QFont::StyleStrategy indexToAntialiasing(int idx);
+    static unsigned fontFlag(int idx);
+
+    PropertyToPropertyMap m_propertyToAntialiasing;
+    PropertyToPropertyMap m_antialiasingToProperty;
+
+    PropertyToSubPropertiesMap m_propertyToFontSubProperties;
+    QMap<QtProperty *, int> m_fontSubPropertyToFlag;
+    PropertyToPropertyMap m_fontSubPropertyToProperty;
+    QtProperty *m_createdFontProperty;
+    QStringList m_aliasingEnumNames;
+    // Font families with Designer annotations
+    QStringList m_designerFamilyNames;
+    NameMap m_familyMappings;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif // FONTPROPERTYMANAGER_H