Add API to control OS X wxTextCtrl’s smart behavior

Allow the user to customize smart quotes and dashes substutions on OS X
and also provide the OSXDisableAllSmartSubstitutions() method for
disabling them all at once.

include/wx/osx/cocoa/private/textimpl.h

@@ -95,6 +95,9 @@ public:
     virtual bool HasOwnContextMenu() const { return true; }
 
     virtual void CheckSpelling(bool check);
+    virtual void EnableAutomaticQuoteSubstitution(bool enable);
+    virtual void EnableAutomaticDashSubstitution(bool enable);
+
     virtual wxSize GetBestSize() const;
 
 protected:

include/wx/osx/core/private.h

@@ -688,6 +688,8 @@ public :
     virtual int GetLineLength(long lineNo) const ;
     virtual wxString GetLineText(long lineNo) const ;
     virtual void CheckSpelling(bool WXUNUSED(check)) { }
+    virtual void EnableAutomaticQuoteSubstitution(bool WXUNUSED(enable)) {}
+    virtual void EnableAutomaticDashSubstitution(bool WXUNUSED(enable)) {}
 
     virtual wxSize GetBestSize() const { return wxDefaultSize; }
 

include/wx/osx/textctrl.h

@@ -130,6 +130,10 @@ public:
     virtual void MacSuperChangedPosition() wxOVERRIDE;
     virtual void MacCheckSpelling(bool check);
 
+    void OSXEnableAutomaticQuoteSubstitution(bool enable);
+    void OSXEnableAutomaticDashSubstitution(bool enable);
+    void OSXDisableAllSmartSubstitutions();
+
 protected:
     // common part of all ctors
     void Init();