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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef FONTPROPERTYMANAGER_H
#define FONTPROPERTYMANAGER_H
#include <QtCore/qhash.h>
#include <QtCore/qmap.h>
#include <QtCore/qstringlist.h>
#include <QtGui/qfont.h>
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_MOVE(FontPropertyManager)
public:
FontPropertyManager();
using ResetMap = QHash<const QtProperty *, bool>;
using NameMap = QMap<QString, QString>;
// 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(), returns DesignerPropertyManager::ValueChangedResult
int 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:
using PropertyToPropertyMap = QHash<QtProperty *, QtProperty *>;
using PropertyList = QList<QtProperty *>;
void removeAntialiasingProperty(QtProperty *);
void removeHintingPreferenceProperty(QtProperty *);
int antialiasingValueChanged(QtVariantPropertyManager *vm,
QtProperty *antialiasingProperty, const QVariant &value);
int hintingPreferenceValueChanged(QtVariantPropertyManager *vm,
QtProperty *hintingPreferenceProperty,
const QVariant &value);
void updateModifiedState(QtProperty *property, const QVariant &value);
static int antialiasingToIndex(QFont::StyleStrategy antialias);
static QFont::StyleStrategy indexToAntialiasing(int idx);
static int hintingPreferenceToIndex(QFont::HintingPreference h);
static QFont::HintingPreference indexToHintingPreference(int idx);
static unsigned fontFlag(int idx);
PropertyToPropertyMap m_propertyToAntialiasing;
PropertyToPropertyMap m_antialiasingToProperty;
PropertyToPropertyMap m_propertyToHintingPreference;
PropertyToPropertyMap m_hintingPreferenceToProperty;
QHash<QtProperty *, PropertyList> m_propertyToFontSubProperties;
QHash<QtProperty *, int> m_fontSubPropertyToFlag;
PropertyToPropertyMap m_fontSubPropertyToProperty;
QtProperty *m_createdFontProperty = nullptr;
QStringList m_aliasingEnumNames;
QStringList m_hintingPreferenceEnumNames;
// Font families with Designer annotations
QStringList m_designerFamilyNames;
NameMap m_familyMappings;
};
}
QT_END_NAMESPACE
#endif // FONTPROPERTYMANAGER_H
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