diff options
Diffstat (limited to 'PySide/QtGui/glue/qwidget_glue.cpp')
-rw-r--r-- | PySide/QtGui/glue/qwidget_glue.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/PySide/QtGui/glue/qwidget_glue.cpp b/PySide/QtGui/glue/qwidget_glue.cpp new file mode 100644 index 000000000..cfa3f6757 --- /dev/null +++ b/PySide/QtGui/glue/qwidget_glue.cpp @@ -0,0 +1,65 @@ +static QString retrieveObjectName(PyObject *obj) +{ + Shiboken::AutoDecRef objName(PyObject_Str(obj)); + return QString(Shiboken::String::toCString(objName)); +} + + +/** + * Tranfer objects ownership from layout to widget + **/ +static inline void qwidgetReparentLayout(QWidget *parent, QLayout *layout) +{ + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QWidget*](parent)); + + for (int i=0; i < layout->count(); i++) { + QLayoutItem* item = layout->itemAt(i); + if (PyErr_Occurred() || !item) + return; + + QWidget* w = item->widget(); + if (w) { + QWidget* pw = w->parentWidget(); + if (pw != parent) { + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QWidget*](w)); + Shiboken::Object::setParent(pyParent, pyChild); + } + } else { + QLayout* l = item->layout(); + if (l) + qwidgetReparentLayout(parent, l); + } + } + + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QLayout*](layout)); + Shiboken::Object::setParent(pyParent, pyChild); + //remove previous references + Shiboken::Object::keepReference(reinterpret_cast<SbkObject*>(pyChild.object()), qPrintable(retrieveObjectName(pyChild)), Py_None); +} + +static inline void qwidgetSetLayout(QWidget *self, QLayout *layout) +{ + if (!layout || self->layout()) + return; + + QObject* oldParent = layout->parent(); + if (oldParent && oldParent != self) { + if (oldParent->isWidgetType()) { + // remove old parent policy + Shiboken::AutoDecRef pyLayout(%CONVERTTOPYTHON[QLayout*](layout)); + Shiboken::Object::setParent(Py_None, pyLayout); + } else { + PyErr_Format(PyExc_RuntimeError, "QWidget::setLayout: Attempting to set QLayout \"%s\" on %s \"%s\", when the QLayout already has a parent", + qPrintable(layout->objectName()), self->metaObject()->className(), qPrintable(self->objectName())); + return; + } + } + + if (oldParent != self) { + qwidgetReparentLayout(self, layout); + if (PyErr_Occurred()) + return; + + self->setLayout(layout); + } +} |