diff options
author | Hugo Lima <hugo.lima@openbossa.org> | 2009-12-15 19:24:30 -0200 |
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committer | Hugo Lima <hugo.lima@openbossa.org> | 2009-12-16 15:02:42 -0200 |
commit | c8e908097207d8852e17e99585ae88a17e3af144 (patch) | |
tree | d9aaf4d99ad3711654c98ef5ae6af8da2d4b9e9f /libpyside/signalslotconnection.cpp | |
parent | d90b6ba47409c7cc461bb6c200f8e41b9a917088 (diff) |
Initial port of signal slots infrastructure from PySide to the Shiboken version.
Diffstat (limited to 'libpyside/signalslotconnection.cpp')
-rw-r--r-- | libpyside/signalslotconnection.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/libpyside/signalslotconnection.cpp b/libpyside/signalslotconnection.cpp new file mode 100644 index 000000000..8f7ddf17c --- /dev/null +++ b/libpyside/signalslotconnection.cpp @@ -0,0 +1,84 @@ +/* +* This file is part of the Shiboken Python Bindings Generator project. +* +* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +* +* Contact: PySide team <contact@pyside.org> +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public License +* version 2.1 as published by the Free Software Foundation. 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. +* +* As a special exception to the GNU Lesser General Public License +* version 2.1, the object code form of a "work that uses the Library" +* may incorporate material from a header file that is part of the +* Library. You may distribute such object code under terms of your +* choice, provided that the incorporated material (i) does not exceed +* more than 5% of the total size of the Library; and (ii) is limited to +* numerical parameters, data structure layouts, accessors, macros, +* inline functions and templates. +* +* This program 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. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +* 02110-1301 USA +*/ + +#include "signalslotconnection.h" +#include <QDebug> + +using namespace PySide; + +SignalSlotConnection::SignalSlotConnection(QObject* source, const char* signal, PyObject* callback, Qt::ConnectionType connectionType) + : AbstractQObjectConnection(source, signal, connectionType), m_receiver(0) +{ + if (PyMethod_Check(callback)) { + m_function = PyMethod_GET_FUNCTION(callback); + if (PyObject* self = PyMethod_GET_SELF(callback)) + m_receiver = self; + } else { + m_function = callback; + } + Py_INCREF(m_function); + PyCodeObject* objCode = reinterpret_cast<PyCodeObject*>(PyFunction_GET_CODE(m_function)); + m_numSlotArgs = objCode->co_flags & CO_VARARGS ? -1 : objCode->co_argcount; +} + +SignalSlotConnection::~SignalSlotConnection() +{ + Py_DECREF(m_function); +} + +void SignalSlotConnection::trigger(PyObject* args) +{ + int useSelf = m_receiver ? 1 : 0; + int numArgs = PySequence_Size(args); + PyObject* preparedArgs = PyTuple_New(numArgs + useSelf); + if (m_receiver) + PyTuple_SetItem(preparedArgs, 0, m_receiver); + for (int i = 0; i < numArgs; ++i) + PyTuple_SET_ITEM(preparedArgs, i + useSelf, PyTuple_GET_ITEM(args, i)); + + qDebug() << "num args: " << m_numSlotArgs; + // sliceamento +// if (m_num_slot_args != -1 && m_num_slot_args < python::len(args)) { +// args = python::list(args.slice(0, m_num_slot_args)); +// } + qDebug() << "Receiver" << m_receiver; + qDebug() << "numargs" << numArgs; + PyObject* retval = PyObject_CallObject(m_function, preparedArgs); + if (retval) { + Py_DECREF(retval); + } else { + qWarning(qPrintable(QString("Error calling slot ")+ + PyString_AS_STRING(reinterpret_cast<PyCodeObject*>(PyFunction_GET_CODE(m_function))->co_name))); + } +} |