Avoid crash in SelectAll if there are no nodes besides the root

[wxWidgets.git] / wxPython / src / _core_api.i

diff --git a/wxPython/src/_core_api.i b/wxPython/src/_core_api.i
index 153124b84217b8a18dec6a8830392e30326db7ad..0669d1fcbb95e99f4c545a21f447b684058ede40 100644 (file)
--- a/wxPython/src/_core_api.i
+++ b/wxPython/src/_core_api.i
@@ -21,7 +21,7 @@
 // in the wrapper code.
 
 #include <wx/hashmap.h>
-    WX_DECLARE_STRING_HASH_MAP( swig_type_info*, wxPyTypeInfoHashMap );
+WX_DECLARE_STRING_HASH_MAP( swig_type_info*, wxPyTypeInfoHashMap );
 
 
 // Maintains a hashmap of className to swig_type_info pointers.  Given the
@@ -99,7 +99,11 @@ bool wxPyConvertSwigPtr(PyObject* obj, void **ptr,
     return SWIG_Python_ConvertPtr(obj, ptr, swigType, SWIG_POINTER_EXCEPTION) != -1;
 }
 
+%}
+
 
+#if SWIG_VERSION < 0x010328
+%{
 // Make a SWIGified pointer object suitable for a .this attribute
 PyObject* wxPyMakeSwigPtr(void* ptr, const wxChar* className) {
     
@@ -108,7 +112,6 @@ PyObject* wxPyMakeSwigPtr(void* ptr, const wxChar* className) {
     swig_type_info* swigType = wxPyFindSwigType(className);
     wxCHECK_MSG(swigType != NULL, NULL, wxT("Unknown type in wxPyMakeSwigPtr"));
 
-#if SWIG_VERSION < 0x010328
 #ifdef SWIG_COBJECT_TYPES
     robj = PySwigObject_FromVoidPtrAndDesc((void *) ptr, (char *)swigType->name);
 #else
@@ -118,13 +121,29 @@ PyObject* wxPyMakeSwigPtr(void* ptr, const wxChar* className) {
             PyString_FromString(result) : 0;
     }
 #endif
+    return robj;
+}
+%}
+
 #else // SWIG_VERSION >= 1.3.28
+%{
+// Make a SWIGified pointer object suitable for a .this attribute
+PyObject* wxPyMakeSwigPtr(void* ptr, const wxChar* className) {
+    
+    PyObject* robj = NULL;
+
+    swig_type_info* swigType = wxPyFindSwigType(className);
+    wxCHECK_MSG(swigType != NULL, NULL, wxT("Unknown type in wxPyMakeSwigPtr"));
+
     robj = PySwigObject_New(ptr, swigType, 0);
-#endif
     return robj;
 }
+%}
+#endif
 
 
+
+%{    
 // Python's PyInstance_Check does not return True for instances of new-style
 // classes.  This should get close enough for both new and old classes but I
 // should re-evaluate the need for doing instance checks...
@@ -133,7 +152,6 @@ bool wxPyInstance_Check(PyObject* obj) {
 }
 
 
-
 // This one checks if the object is an instance of a SWIG proxy class (it has
 // a .this attribute, and the .this attribute is a PySwigObject.)
 bool wxPySwigInstance_Check(PyObject* obj) {
@@ -151,7 +169,6 @@ bool wxPySwigInstance_Check(PyObject* obj) {
     PyErr_Clear();
     return false;
 }
- 
 
 
 // Export a C API in a struct.  Other modules will be able to load this from