set_wrap_mode
Description:
Sets the line wrapping for the view.
Parameters:
| this | 
           a `GtkTextView`  | 
      
| wrap_mode | 
           a `GtkWrapMode`  | 
      
Sets the line wrapping for the view.
| this | 
           a `GtkTextView`  | 
      
| wrap_mode | 
           a `GtkWrapMode`  |