I18N: wx 3.0 back-compat for translations with context, fix #1694

1 files changed, 19 insertions, 1 deletions

diff --git a/src/slic3r/GUI/I18N.hpp b/src/slic3r/GUI/I18N.hpp
index c86ff7501..a899eaa59 100644
--- a/src/slic3r/GUI/I18N.hpp
+++ b/src/slic3r/GUI/I18N.hpp
@@ -2,6 +2,10 @@
 #define _(s)    Slic3r::GUI::I18N::translate((s))
 #endif /* _ */
 
+#ifndef _CTX
+#define _CTX(s, ctx) Slic3r::GUI::I18N::translate((s), (ctx))
+#endif /* _ */
+
 #ifndef L
 // !!! If you needed to translate some wxString,
 // !!! please use _(L(string))
@@ -21,6 +25,7 @@
 #define slic3r_GUI_I18N_hpp_
 
 #include <wx/intl.h>
+#include <wx/version.h>
 
 namespace Slic3r { namespace GUI { 
 
@@ -29,7 +34,20 @@ namespace I18N {
 	inline wxString translate(const wchar_t *s) 	 { return wxGetTranslation(s); }
 	inline wxString translate(const std::string &s)  { return wxGetTranslation(wxString(s.c_str(), wxConvUTF8)); }
 	inline wxString translate(const std::wstring &s) { return wxGetTranslation(s.c_str()); }
-} 
+
+#if wxCHECK_VERSION(3, 1, 1)
+	#define _wxGetTranslation_ctx(S, CTX) wxGetTranslation((S), wxEmptyString, (CTX))
+#else
+	#define _wxGetTranslation_ctx(S, CTX) ((void)(CTX), wxGetTranslation((S)))
+#endif
+
+	inline wxString translate(const char *s, const char* ctx)         { return _wxGetTranslation_ctx(wxString(s, wxConvUTF8), ctx); }
+	inline wxString translate(const wchar_t *s, const char* ctx)      { return _wxGetTranslation_ctx(s, ctx); }
+	inline wxString translate(const std::string &s, const char* ctx)  { return _wxGetTranslation_ctx(wxString(s.c_str(), wxConvUTF8), ctx); }
+	inline wxString translate(const std::wstring &s, const char* ctx) { return _wxGetTranslation_ctx(s.c_str(), ctx); }
+
+#undef _wxGetTranslation_ctx
+}
 
 // Return translated std::string as a wxString
 wxString	L_str(const std::string &str);