X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fpython%2Fenigma_python.i;h=79f9296e3251e1abac39ac38ae9fe929561a1af4;hp=3eb22d5597836a9956dca4416c6a49546c509611;hb=d1ba8203832c54b4a98978c6033296183a24b4d0;hpb=71f4df6d025fa09d937dd5e259992cf04b4a04f8

diff --git a/lib/python/enigma_python.i b/lib/python/enigma_python.i
index 3eb22d5..79f9296 100644
--- a/lib/python/enigma_python.i
+++ b/lib/python/enigma_python.i
@@ -83,6 +83,18 @@ extern PSignal1<void,int> &keyPressedSignal();
 %feature("ref")   iObject "$this->AddRef(); eDebug(\"AddRef (%s:%d)!\", __FILE__, __LINE__); "
 %feature("unref") iObject "$this->Release(); eDebug(\"Release! %s:%d\", __FILE__, __LINE__); "
 
+/* this magic allows smartpointer to be used as OUTPUT arguments, i.e. call-by-reference-styled return value. */
+
+%define %typemap_output_ptr(Type)
+ %typemap(in,numinputs=0) Type *OUTPUT ($*1_ltype temp),
+              Type &OUTPUT ($*1_ltype temp)
+   "$1 = new Type;";
+ %fragment("t_out_helper"{Type},"header",
+     fragment="t_output_helper") {}
+ %typemap(argout,fragment="t_out_helper"{Type}) Type *OUTPUT, Type &OUTPUT
+   "$result = t_output_helper($result, (SWIG_NewPointerObj((void*)($1), $1_descriptor, 1)));"
+%enddef
+
 %newobject eDebugClassPtr::operator->;
 
 #define DEBUG