added, implemented, documented wxTE_RICH2 and wxTextCtrl::GetRange()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13475 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/textctrl.h

@@ -50,6 +50,8 @@ public:
     virtual wxString GetValue() const;
     virtual void SetValue(const wxString& value);
 
+    virtual wxString GetRange(long from, long to) const;
+
     virtual int GetLineLength(long lineNo) const;
     virtual wxString GetLineText(long lineNo) const;
     virtual int GetNumberOfLines() const;
@@ -58,7 +60,6 @@ public:
     virtual bool IsEditable() const;
 
     virtual void GetSelection(long* from, long* to) const;
-    virtual wxString GetStringSelection() const;
 
     // operations
     // ----------
@@ -185,6 +186,10 @@ protected:
     // set the selection possibly without scrolling the caret into view
     void DoSetSelection(long from, long to, bool scrollCaret = TRUE);
 
+    // get the length of the line containing the character at the given
+    // position
+    long GetLengthOfLineContainingPos(long pos) const;
+
     // override some base class virtuals
     virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
     virtual wxSize DoGetBestSize() const;