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| author | Murray Cumming <murrayc@murrayc.com> | 2009-01-09 15:32:34 +0000 |
|---|---|---|
| committer | Murray Cumming <murrayc@src.gnome.org> | 2009-01-09 15:32:34 +0000 |
| commit | 9a52b944b50890d0e222bbcf15922e7533bee475 (patch) | |
| tree | 650f1a1ebb1cc4f183435e3a025e9fc80525104f /glib/glibmm | |
| parent | 312625c59865b9728b1fefb237067cf738933ebd (diff) | |
| download | glibmm-9a52b944b50890d0e222bbcf15922e7533bee475.tar.gz | |
wrap_auto_interface<>(): Add a warning to give a clue when the
2009-01-09 Murray Cumming <murrayc@murrayc.com>
* glib/glibmm/wrap.h: wrap_auto_interface<>(): Add a warning to give a
clue when the dynamic_cast fails, for instance if you are doing some
incorrect multiple inheritance.
svn path=/trunk/; revision=774
Diffstat (limited to 'glib/glibmm')
| -rw-r--r-- | glib/glibmm/wrap.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/glib/glibmm/wrap.h b/glib/glibmm/wrap.h index 94f17263..e7988abb 100644 --- a/glib/glibmm/wrap.h +++ b/glib/glibmm/wrap.h @@ -78,9 +78,15 @@ TInterface* wrap_auto_interface(GObject* object, bool take_copy = false) //so we at least get the expected type: TInterface* result = 0; if(pCppObject) - result = dynamic_cast<TInterface*>(pCppObject); + { + result = dynamic_cast<TInterface*>(pCppObject); + if(!result) + { + g_warning("Glib::wrap_auto_interface(): The C++ instance (%s) does not dynamic_cast to the interface.\n", typeid(*pCppObject).name()); + } + } else - result = new TInterface((typename TInterface::BaseObjectType*)object); + result = new TInterface((typename TInterface::BaseObjectType*)object); // take_copy=true is used where the GTK+ function doesn't do // an extra ref for us, and always for plain struct members. |