PythonQtObjectPtr.h
164 lines
| 5.2 KiB
| text/x-c
|
CLexer
/ src / PythonQtObjectPtr.h
ezust
|
r0 | #ifndef _PYTHONQTOBJECTPTR_H | ||
| #define _PYTHONQTOBJECTPTR_H | ||||
| /* | ||||
| * | ||||
florianlink
|
r133 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | ||
|
ezust
|
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
|
r133 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | ||
|
ezust
|
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
|
r161 | #include "PythonQtPythonInclude.h" | ||
|
ezust
|
r0 | #include "PythonQtSystem.h" | ||
|
florianlink
|
r10 | #include <QVariant> | ||
| #include <QVariantList> | ||||
|
florianlink
|
r189 | #include <QVariantMap> | ||
|
ezust
|
r0 | |||
| //! a smart pointer that stores a PyObject pointer and that handles reference counting automatically | ||||
| class PYTHONQT_EXPORT PythonQtObjectPtr | ||||
| { | ||||
| public: | ||||
| PythonQtObjectPtr():_object(NULL) {} | ||||
|
florianlink
|
r161 | PythonQtObjectPtr(const PythonQtObjectPtr &p) | ||
| :_object(NULL) { | ||||
|
ezust
|
r0 | setObject(p.object()); | ||
| } | ||||
|
florianlink
|
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. | ||
|
ezust
|
r2 | PythonQtObjectPtr(const QVariant& variant):_object(NULL) { | ||
|
florianlink
|
r157 | fromVariant(variant); | ||
|
ezust
|
r2 | } | ||
|
florianlink
|
r157 | |||
|
florianlink
|
r161 | PythonQtObjectPtr(PyObject* o); | ||
| ~PythonQtObjectPtr(); | ||||
|
florianlink
|
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. | ||
|
ezust
|
r2 | bool fromVariant(const QVariant& variant); | ||
|
florianlink
|
r157 | |||
|
ezust
|
r0 | PythonQtObjectPtr &operator=(const PythonQtObjectPtr &p) { | ||
| setObject(p.object()); | ||||
| return *this; | ||||
| } | ||||
| PythonQtObjectPtr &operator=(PyObject* o) { | ||||
| setObject(o); | ||||
| return *this; | ||||
| } | ||||
|
florianlink
|
r157 | |||
|
ezust
|
r2 | PythonQtObjectPtr &operator=(const QVariant& variant) { | ||
| fromVariant(variant); | ||||
| return *this; | ||||
| } | ||||
|
florianlink
|
r157 | |||
|
ezust
|
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) | ||||
|
florianlink
|
r161 | void setNewRef(PyObject* o); | ||
|
ezust
|
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
|
r189 | QVariant call(const QString& callable, const QVariantList& args = QVariantList(), const QVariantMap& kwargs = QVariantMap()); | ||
|
ezust
|
r0 | |||
|
florianlink
|
r36 | //! call the contained python object directly, returns the result converted to a QVariant | ||
|
florianlink
|
r189 | QVariant call(const QVariantList& args = QVariantList(), const QVariantMap& kwargs = QVariantMap()); | ||
|
ezust
|
r0 | |||
| protected: | ||||
|
florianlink
|
r161 | void setObject(PyObject* o); | ||
|
ezust
|
r0 | private: | ||
| PyObject* _object; | ||||
| }; | ||||
| // register it to the meta type system | ||||
| Q_DECLARE_METATYPE(PythonQtObjectPtr) | ||||
|
florianlink
|
r157 | #endif | ||
|
florianlink
|
r161 | |||