Nyall Dawson 6ad2f9f091 Some improvements to QgsDataDefined and QgsDataDefinedButton:
- enhanced methods for storing/retrieving QgsDataDefined in a
  string map
- add method to QgsDataDefinedButton to update parameters for a
  QgsDataDefined
- deprecate an unused method
- const correctness
2015-05-06 18:35:59 +10:00
..
2015-05-03 17:10:32 +02:00
2015-02-04 07:15:49 +01:00