parameters: (self, region, buttonName)
docstring: the mouse has rolled over a texture.
docstring_summary: the mouse has rolled over a texture.
docstring_tokens: the mouse has rolled over a texture .
function: def enterRegion(self, region, buttonName):
          """ the mouse has rolled over a texture. """
          key, pi = map(int, region.getName().split(':'))
          tr = self.texRecordsByKey.get(key)
          if not tr:
              return
  
          self.setRollover(tr, pi)
function_tokens: def enterRegion ( self , region , buttonName ) : key , pi = map ( int , region . getName ( ) . split ( ':' ) ) tr = self . texRecordsByKey . get ( key ) if not tr : return self . setRollover ( tr , pi )