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#ifndef QLAYOUT_HELP_FUNCTIONS
#define QLAYOUT_HELP_FUNCTIONS
void addLayoutOwnership(QLayout* layout, QLayoutItem* item);
void removeLayoutOwnership(QLayout* layout, QWidget* widget);
inline QByteArray retrieveObjectName(PyObject* obj)
{
Shiboken::AutoDecRef objName(PyObject_Str(obj));
return PyString_AsString(objName);
}
inline void addLayoutOwnership(QLayout* layout, QWidget* widget)
{
//transfer ownership to parent widget
QWidget *lw = layout->parentWidget();
QWidget *pw = widget->parentWidget();
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
//Transfer parent to layout widget
if (pw && lw && pw != lw)
Shiboken::Object::setParent(0, pyChild);
if (!lw && !pw) {
//keep the reference while the layout is orphan
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(layout));
Shiboken::Object::keepReference(reinterpret_cast<SbkObject*>(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild, true);
} else {
if (!lw)
lw = pw;
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(lw));
Shiboken::Object::setParent(pyParent, pyChild);
}
}
inline void addLayoutOwnership(QLayout* layout, QLayout* other)
{
//transfer all children widgets from other to layout parent widget
QWidget* parent = layout->parentWidget();
if (!parent) {
//keep the reference while the layout is orphan
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QLayout*>::toPython(layout));
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayout*>::toPython(other));
Shiboken::Object::keepReference(reinterpret_cast<SbkObject*>(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild, true);
return;
}
for (int i=0, i_max=other->count(); i < i_max; i++) {
QLayoutItem* item = other->itemAt(i);
if (PyErr_Occurred() || !item)
return;
addLayoutOwnership(layout, item);
}
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QLayout*>::toPython(layout));
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayout*>::toPython(other));
Shiboken::Object::setParent(pyParent, pyChild);
}
inline void addLayoutOwnership(QLayout* layout, QLayoutItem* item)
{
QWidget* w = item->widget();
if (w)
addLayoutOwnership(layout, w);
else {
QLayout* l = item->layout();
if (l)
addLayoutOwnership(layout, l);
}
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QLayout*>::toPython(layout));
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayoutItem*>::toPython(item));
Shiboken::Object::setParent(pyParent, pyChild);
}
static void removeWidgetFromLayout(QLayout* layout, QWidget* widget)
{
QWidget* parent = widget->parentWidget();
if (!parent) {
//remove reference on layout
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(layout));
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
Shiboken::Object::removeReference(reinterpret_cast<SbkObject*>(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild);
} else {
//give the ownership to parent
Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(parent));
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
Shiboken::Object::setParent(pyParent, pyChild);
}
}
inline void removeLayoutOwnership(QLayout* layout, QLayoutItem* item)
{
QWidget* w = item->widget();
if (w)
removeWidgetFromLayout(layout, w);
else {
QLayout* l = item->layout();
if (l)
removeLayoutOwnership(layout, l);
}
Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayoutItem*>::toPython(item));
Shiboken::Object::invalidate(pyChild);
Shiboken::Object::setParent(0, pyChild);
}
inline void removeLayoutOwnership(QLayout* layout, QWidget* widget)
{
if (!widget)
return;
for (int i=0, i_max=layout->count(); i < i_max; i++) {
QLayoutItem* item = layout->itemAt(i);
if (PyErr_Occurred() || !item)
return;
if (item->widget() == widget)
removeLayoutOwnership(layout, item);
}
}
#endif
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