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#include "customwidget.h"


struct PyCustomWidgetPrivate
{
    PyObject *pyObject;
    bool initialized;
};

PyCustomWidget::PyCustomWidget(PyObject *objectType)
    : m_data(new PyCustomWidgetPrivate())
{
    m_data->pyObject = objectType;
    m_name = QString(reinterpret_cast<PyTypeObject *>(objectType)->tp_name);
}

PyCustomWidget::~PyCustomWidget()
{
    delete m_data;
}

bool PyCustomWidget::isContainer() const
{
    return false;
}

bool PyCustomWidget::isInitialized() const
{
    return m_data->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;
    bool unkowParent = 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);
            unkowParent = 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_data->pyObject, pyArgs));

    QWidget *widget = nullptr;
    if (result) {
        if (unkowParent) //if parent does not exists in python, transfer the ownership to cpp
            Shiboken::Object::releaseOwnership(result);
        else
            Shiboken::Object::setParent(pyParent, reinterpret_cast<PyObject *>(result));

        widget = reinterpret_cast<QWidget *>(Shiboken::Object::cppPointer(result, Py_TYPE(result)));
    }

    return widget;
}

void PyCustomWidget::initialize(QDesignerFormEditorInterface *core)
{
    m_data->initialized = true;
}
