From d0ad9d27aa1b52d84e0f1fa2b3f0506e6571bb4a Mon Sep 17 00:00:00 2001
From: Renato Filho <renato.filho@openbossa.org>
Date: Mon, 11 Apr 2011 18:43:41 -0300
Subject: [PATCH] Fixed QCoreApplication.instance method to handle with
 application created before PySide module loading.

Fixes bug #816.

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>
          Hugo Parente Lima <hugo.pl@gmail.com>
---
 PySide/QtCore/typesystem_core.xml | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/PySide/QtCore/typesystem_core.xml b/PySide/QtCore/typesystem_core.xml
index 57f4c6a..b5678af 100644
--- a/PySide/QtCore/typesystem_core.xml
+++ b/PySide/QtCore/typesystem_core.xml
@@ -2186,9 +2186,17 @@
     <modify-function signature="sendPostedEvents(QObject*, int)" allow-thread="yes"/>
     <modify-function signature="sendPostedEvents()" allow-thread="yes"/>
     <modify-function signature="instance()">
-      <modify-argument index="return">
-        <define-ownership owner="c++"/>
-      </modify-argument>
+      <inject-code class="target">
+        QCoreApplication* app = QCoreApplication::instance();
+        PyObject* pyApp = Py_None;
+        if (app) {
+            pyApp = reinterpret_cast&lt;PyObject*&gt;(Shiboken::BindingManager::instance().retrieveWrapper(app));
+            if (!pyApp)
+                pyApp = %CONVERTTOPYTHON[QCoreApplication*](app); // this will keep app live after python exit (extra ref)
+        }
+        %PYARG_0 = pyApp;
+        Py_XINCREF(%PYARG_0);
+      </inject-code>
     </modify-function>
 
     <modify-function signature="exec()" rename="exec_" allow-thread="yes"/>