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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@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
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