From 5cc46f2f1342e085897eefd06eda453e2f28b5bc Mon Sep 17 00:00:00 2001
From: Renato Filho <renato.filho@openbossa.org>
Date: Fri, 9 Jul 2010 18:27:39 -0300
Subject: Fixed layout reference control on layouts.

Reviewer: Luciano Wolf <luciano.wolf@openbossa.org>
---
 PySide/QtGui/glue/qlayout_help_functions.h | 28 ++++++++++++++++++++++------
 PySide/QtGui/glue/qwidget_glue.h           | 10 ++++++++++
 2 files changed, 32 insertions(+), 6 deletions(-)

(limited to 'PySide/QtGui/glue')

diff --git a/PySide/QtGui/glue/qlayout_help_functions.h b/PySide/QtGui/glue/qlayout_help_functions.h
index cea0b5611..9e07ff5d3 100644
--- a/PySide/QtGui/glue/qlayout_help_functions.h
+++ b/PySide/QtGui/glue/qlayout_help_functions.h
@@ -3,24 +3,40 @@
 
 void addLayoutOwnership(QLayout *layout, QLayoutItem *item);
 
+inline QString retrieveObjectName(PyObject *obj)
+{
+    Shiboken::AutoDecRef objName(PyObject_Str(obj));
+    return QString(PyString_AsString(objName));
+}
+
 inline void addLayoutOwnership(QLayout *layout, QWidget *widget)
 {
     //transfer ownership to parent widget
     QWidget *parent = layout->parentWidget();
-    if (!parent)
-        return;
 
-    Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(parent));
-    Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
-    Shiboken::setParent(pyParent, pyChild);
+    if (!parent) {
+        //keep the reference while the layout is orphan
+        Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(layout));
+        Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
+        Shiboken::keepReference(reinterpret_cast<Shiboken::SbkBaseWrapper*>(pyParent.object()), qPrintable(retrieveObjectName(pyParent)), pyChild, true);
+    } else {
+        Shiboken::AutoDecRef pyParent(Shiboken::Converter<QWidget*>::toPython(parent));
+        Shiboken::AutoDecRef pyChild(Shiboken::Converter<QWidget*>::toPython(widget));
+        Shiboken::setParent(pyParent, pyChild);
+    }
 }
 
 inline void addLayoutOwnership(QLayout *layout, QLayout *other)
 {
     //transfer all children widgetes from other to layout parent widget
     QWidget *parent = layout->parentWidget();
-    if (!parent)
+    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::keepReference(reinterpret_cast<Shiboken::SbkBaseWrapper*>(pyParent.object()), qPrintable(retrieveObjectName(pyParent)), pyChild, true);
         return;
+    }
 
     for (int i=0, i_max=other->count(); i < i_max; i++) {
         addLayoutOwnership(layout, other->itemAt(i));
diff --git a/PySide/QtGui/glue/qwidget_glue.h b/PySide/QtGui/glue/qwidget_glue.h
index a6cd3b7d4..948852240 100644
--- a/PySide/QtGui/glue/qwidget_glue.h
+++ b/PySide/QtGui/glue/qwidget_glue.h
@@ -1,3 +1,10 @@
+static QString retrieveObjectName(PyObject *obj)
+{
+    Shiboken::AutoDecRef objName(PyObject_Str(obj));
+    return QString(PyString_AsString(objName));
+}
+
+
 /**
  * Tranfer objects ownership from layout to widget
  **/
@@ -26,6 +33,9 @@ qwidgetReparentLayout(QWidget *parent, QLayout *layout)
 
     Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayout*>::toPython(layout));
     Shiboken::setParent(pyParent, pyChild);
+
+    //remove previous references
+    Shiboken::keepReference(reinterpret_cast<Shiboken::SbkBaseWrapper*>(pyChild.object()), qPrintable(retrieveObjectName(pyChild)), Py_None);
 }
 
 static inline void
-- 
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