virtual wxString GetValue() const = 0;
virtual wxString GetRange(long from, long to) const;
- bool IsEmpty() const { return GetValue().empty(); }
+ bool IsEmpty() const { return GetLastPosition() <= 0; }
// editing operations
// ---------
virtual void SetSelection(long from, long to) = 0;
- virtual void SelectAll() { SetSelection(0, GetLastPosition()); }
+ virtual void SelectAll() { SetSelection(-1, -1); }
virtual void GetSelection(long *from, long *to) const = 0;
bool HasSelection() const;
virtual wxString GetStringSelection() const;