Fixed QLayout family return policy.

Reviewer: Hugo Parente Lima <hugo.lima@openbossa.org>,
          Luciano Wolf <luciano.wolf@openbossa.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/PySide/QtGui/glue/qlayout_help_functions.h b/PySide/QtGui/glue/qlayout_help_functions.h
new file mode 100644
index 000000000..186e0ecd2
--- /dev/null
+++ b/PySide/QtGui/glue/qlayout_help_functions.h
@@ -0,0 +1,51 @@
+#ifndef QLAYOUT_HELP_FUNCTIONS
+#define QLAYOUT_HELP_FUNCTIONS
+
+void addLayoutOwnership(QLayout *layout, QLayoutItem *item);
+
+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);
+}
+
+inline void addLayoutOwnership(QLayout *layout, QLayout *other)
+{
+    //transfer all children widgetes from other to layout parent widget
+    QWidget *parent = layout->parentWidget();
+    if (!parent)
+        return;
+
+    for (int i=0, i_max=layout->count(); i < i_max; i++) {
+        addLayoutOwnership(layout, layout->itemAt(i));
+    }
+
+    Shiboken::AutoDecRef pyParent(Shiboken::Converter<QLayout*>::toPython(layout));
+    Shiboken::AutoDecRef pyChild(Shiboken::Converter<QLayout*>::toPython(other));
+    Shiboken::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::setParent(pyParent, pyChild);
+}
+
+#endif