PythonQtObjectPtr.h
163 lines
| 5.1 KiB
| text/x-c
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CLexer
/ src / PythonQtObjectPtr.h
ezust
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r0 | #ifndef _PYTHONQTOBJECTPTR_H | ||
#define _PYTHONQTOBJECTPTR_H | ||||
/* | ||||
* | ||||
florianlink
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r133 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | ||
ezust
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r0 | * | ||
* This library is free software; you can redistribute it and/or | ||||
* modify it under the terms of the GNU Lesser General Public | ||||
* License as published by the Free Software Foundation; either | ||||
* version 2.1 of the License, or (at your option) any later version. | ||||
* | ||||
* This library is distributed in the hope that it will be useful, | ||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||||
* Lesser General Public License for more details. | ||||
* | ||||
* Further, this software is distributed without any warranty that it is | ||||
* free of the rightful claim of any third person regarding infringement | ||||
* or the like. Any license provided herein, whether implied or | ||||
* otherwise, applies only to this software file. Patent licenses, if | ||||
* any, provided herein do not apply to combinations of this program with | ||||
* other software, or any other product whatsoever. | ||||
* | ||||
* You should have received a copy of the GNU Lesser General Public | ||||
* License along with this library; if not, write to the Free Software | ||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
* | ||||
florianlink
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r133 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | ||
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r0 | * 28359 Bremen, Germany or: | ||
* | ||||
* http://www.mevis.de | ||||
* | ||||
*/ | ||||
//---------------------------------------------------------------------------------- | ||||
/*! | ||||
// \file PythonQtObjectPtr.h | ||||
// \author Florian Link | ||||
// \author Last changed by $Author: florian $ | ||||
// \date 2006-05 | ||||
*/ | ||||
//---------------------------------------------------------------------------------- | ||||
florianlink
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r161 | #include "PythonQtPythonInclude.h" | ||
ezust
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r0 | #include "PythonQtSystem.h" | ||
florianlink
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r10 | #include <QVariant> | ||
#include <QVariantList> | ||||
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r0 | |||
//! a smart pointer that stores a PyObject pointer and that handles reference counting automatically | ||||
class PYTHONQT_EXPORT PythonQtObjectPtr | ||||
{ | ||||
public: | ||||
PythonQtObjectPtr():_object(NULL) {} | ||||
florianlink
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r161 | PythonQtObjectPtr(const PythonQtObjectPtr &p) | ||
:_object(NULL) { | ||||
ezust
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r0 | setObject(p.object()); | ||
} | ||||
florianlink
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r157 | //! If the given variant holds a PythonQtObjectPtr, extract the value from it and hold onto the reference. This results in an increment of the reference count. | ||
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r2 | PythonQtObjectPtr(const QVariant& variant):_object(NULL) { | ||
florianlink
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r157 | fromVariant(variant); | ||
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r2 | } | ||
florianlink
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r157 | |||
florianlink
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r161 | PythonQtObjectPtr(PyObject* o); | ||
~PythonQtObjectPtr(); | ||||
florianlink
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r157 | //! If the given variant holds a PythonQtObjectPtr, extract the value from it and hold onto the reference. This results in an increment of the reference count. | ||
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r2 | bool fromVariant(const QVariant& variant); | ||
florianlink
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r157 | |||
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r0 | PythonQtObjectPtr &operator=(const PythonQtObjectPtr &p) { | ||
setObject(p.object()); | ||||
return *this; | ||||
} | ||||
PythonQtObjectPtr &operator=(PyObject* o) { | ||||
setObject(o); | ||||
return *this; | ||||
} | ||||
florianlink
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r157 | |||
ezust
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r2 | PythonQtObjectPtr &operator=(const QVariant& variant) { | ||
fromVariant(variant); | ||||
return *this; | ||||
} | ||||
florianlink
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r157 | |||
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r0 | bool operator==( const PythonQtObjectPtr &p ) const { | ||
return object() == p.object(); | ||||
} | ||||
bool operator!= ( const PythonQtObjectPtr& p ) const { | ||||
return !( *this == p ); | ||||
} | ||||
bool operator==( PyObject* p ) const { | ||||
return object() == p; | ||||
} | ||||
bool operator!= ( PyObject* p ) const { | ||||
return object() != p; | ||||
} | ||||
bool isNull() const { return !object(); } | ||||
PyObject* operator->() const { return object(); } | ||||
PyObject& operator*() const { return *( object() ); } | ||||
operator PyObject*() const { return object(); } | ||||
//! sets the object and passes the ownership (stealing the reference, in Python slang) | ||||
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r161 | void setNewRef(PyObject* o); | ||
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r0 | PyObject* object() const { | ||
return _object; | ||||
} | ||||
//! evaluates the given script code in the context of this object and returns the result value | ||||
QVariant evalScript(const QString& script, int start = Py_file_input); | ||||
//! evaluates the given code and returns the result value (use Py_Compile etc. to create pycode from string) | ||||
//! If pycode is NULL, a python error is printed. | ||||
QVariant evalCode(PyObject* pycode); | ||||
//! evaluates the given code in the context | ||||
void evalFile(const QString& filename); | ||||
//! add the given \c object to the \c module as a variable with \c name (it can be removed via clearVariable) | ||||
void addObject(const QString& name, QObject* object); | ||||
//! add the given variable to the module | ||||
void addVariable(const QString& name, const QVariant& v); | ||||
//! remove the given variable | ||||
void removeVariable(const QString& name); | ||||
//! get the variable with the \c name of the \c module, returns an invalid QVariant on error | ||||
QVariant getVariable(const QString& name); | ||||
//! call the given python object (in the scope of the current object), returns the result converted to a QVariant | ||||
florianlink
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r10 | QVariant call(const QString& callable, const QVariantList& args = QVariantList()); | ||
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r0 | |||
florianlink
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r36 | //! call the contained python object directly, returns the result converted to a QVariant | ||
QVariant call(const QVariantList& args = QVariantList()); | ||||
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r0 | |||
protected: | ||||
florianlink
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r161 | void setObject(PyObject* o); | ||
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r0 | private: | ||
PyObject* _object; | ||||
}; | ||||
// register it to the meta type system | ||||
Q_DECLARE_METATYPE(PythonQtObjectPtr) | ||||
florianlink
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r157 | #endif | ||
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r161 | |||