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#ifndef _PYTHONQTCLASSINFO_H
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#define _PYTHONQTCLASSINFO_H
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/*
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*
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* Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Contact information: MeVis Research GmbH, Universitaetsallee 29,
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* 28359 Bremen, Germany or:
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*
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* http://www.mevis.de
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*
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*/
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#include <QMetaObject>
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#include <QMetaMethod>
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#include <QHash>
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#include <QByteArray>
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#include <QList>
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#include "PythonQt.h"
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class PythonQtSlotInfo;
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struct PythonQtMemberInfo {
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enum Type {
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Invalid, Slot, EnumValue, Property, NotFound
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};
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PythonQtMemberInfo():_slot(NULL),_enumValue(0),_type(Invalid) { }
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PythonQtMemberInfo(PythonQtSlotInfo* info) {
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_type = Slot;
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_slot = info;
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_enumValue = 0;
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}
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PythonQtMemberInfo(unsigned int enumValue) {
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_type = EnumValue;
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_slot = NULL;
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_enumValue = enumValue;
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}
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PythonQtMemberInfo(const QMetaProperty& prop) {
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_type = Property;
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_slot = NULL;
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_enumValue = 0;
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_property = prop;
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}
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PythonQtSlotInfo* _slot;
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unsigned int _enumValue;
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QMetaProperty _property;
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Type _type;
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};
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//! a class that stores all required information about a Qt object (and an optional associated C++ class name)
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/*! for fast lookup of slots when calling the object from Python
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*/
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class PythonQtClassInfo {
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public:
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PythonQtClassInfo(const QMetaObject* meta, const QByteArray& wrappedClassName = QByteArray());
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~PythonQtClassInfo();
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//! get the Python method definition for a given slot name (without return type and signature)
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PythonQtMemberInfo member(const char* member);
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PythonQtSlotInfo* constructors();
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//! get the classname (either of the QObject or of the wrapped CPP object)
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const char* className();
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//! returns if the object is a CPP wrapper
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bool isCPPWrapper() { return !_wrappedClassName.isEmpty(); }
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//! get the meta object
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const QMetaObject* metaObject() { return _meta; }
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//! set the meta object, this will reset the caching
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void setMetaObject(const QMetaObject* meta);
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//! returns if the meta object inherits the given classname
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bool inherits(const char* name);
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//! get help string for the metaobject
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QString help();
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//! get list of all members
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QStringList memberList(bool metaOnly = false);
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//! get the meta type id of this class (only valid for isCPPWrapper() == true)
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int metaTypeId() { return _metaTypeId; }
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//! set an additional decorator provider that offers additional decorator slots for this class
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void setDecoratorProvider(PythonQtQObjectCreatorFunctionCB* cb) { _decoratorProviderCB = cb; _decoratorProvider = NULL; }
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//! get the decorator qobject instance
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QObject* decorator();
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//! set the parent class name of a wrapped CPP pointer
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void setWrappedParentClassName(const QByteArray& name) { _wrappedParentClassName = name; _parentClassInfo = NULL; _parentClassInfoResolved = false; }
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private:
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//! resolve the parent class from either meta object or cpp parent class name
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void resolveParentClassInfo();
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//! clear all cached members
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void clearCachedMembers();
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PythonQtSlotInfo* findDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache);
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void listDecoratorSlotsFromDecoratorProvider(QStringList& list, bool metaOnly);
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bool lookForPropertyAndCache(const char* memberName);
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bool lookForMethodAndCache(const char* memberName);
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bool lookForEnumAndCache(const QMetaObject* m, const char* memberName);
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PythonQtSlotInfo* findDecoratorSlots(const char* classname, const char* memberName, int memberNameLen, PythonQtSlotInfo* tail, bool &found);
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int findCharOffset(const char* sigStart, char someChar);
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QHash<QByteArray, PythonQtMemberInfo> _cachedMembers;
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PythonQtSlotInfo* _constructors;
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const QMetaObject* _meta;
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QByteArray _wrappedClassName;
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QByteArray _wrappedParentClassName;
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QObject* _decoratorProvider;
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PythonQtQObjectCreatorFunctionCB* _decoratorProviderCB;
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PythonQtClassInfo* _parentClassInfo;
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bool _parentClassInfoResolved;
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int _metaTypeId;
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};
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//---------------------------------------------------------------
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#endif
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