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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "customwidget.h"
#include <QtCore/qdebug.h>
// Part of the static plugin linked to the QtUiLoader Python module,
// allowing it to create a custom widget written in Python.
PyCustomWidget::PyCustomWidget(PyObject *objectType) :
m_pyObject(objectType),
m_name(QString::fromUtf8(reinterpret_cast<PyTypeObject *>(objectType)->tp_name))
{
}
bool PyCustomWidget::isContainer() const
{
return false;
}
bool PyCustomWidget::isInitialized() const
{
return m_initialized;
}
QIcon PyCustomWidget::icon() const
{
return QIcon();
}
QString PyCustomWidget::domXml() const
{
return QString();
}
QString PyCustomWidget::group() const
{
return QString();
}
QString PyCustomWidget::includeFile() const
{
return QString();
}
QString PyCustomWidget::name() const
{
return m_name;
}
QString PyCustomWidget::toolTip() const
{
return QString();
}
QString PyCustomWidget::whatsThis() const
{
return QString();
}
QWidget *PyCustomWidget::createWidget(QWidget *parent)
{
// Create a python instance and return cpp object
PyObject *pyParent = nullptr;
bool unknownParent = false;
if (parent) {
pyParent = reinterpret_cast<PyObject *>(Shiboken::BindingManager::instance().retrieveWrapper(parent));
if (pyParent) {
Py_INCREF(pyParent);
} else {
static Shiboken::Conversions::SpecificConverter converter("QWidget*");
pyParent = converter.toPython(&parent);
unknownParent = true;
}
} else {
Py_INCREF(Py_None);
pyParent = Py_None;
}
Shiboken::AutoDecRef pyArgs(PyTuple_New(1));
PyTuple_SET_ITEM(pyArgs, 0, pyParent); // tuple will keep pyParent reference
// Call python constructor
auto result = reinterpret_cast<SbkObject *>(PyObject_CallObject(m_pyObject, pyArgs));
if (!result) {
qWarning("Unable to create a Python custom widget of type \"%s\".",
qPrintable(m_name));
PyErr_Print();
return nullptr;
}
if (unknownParent) // if parent does not exist in python, transfer the ownership to cpp
Shiboken::Object::releaseOwnership(result);
else
Shiboken::Object::setParent(pyParent, reinterpret_cast<PyObject *>(result));
return reinterpret_cast<QWidget *>(Shiboken::Object::cppPointer(result, Py_TYPE(result)));
}
void PyCustomWidget::initialize(QDesignerFormEditorInterface *core)
{
m_initialized = true;
}
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