Nyall Dawson ba55fb3e0a Use real symbol buttons in categorized and graduated renderer widgets,
instead of fake ones

Gives these buttons the full power of the usual QgsSymbolButton,
including copy/paste symbols, color/opacity changes, etc. Plus,
some nice additional interface consistency!
2019-08-01 16:03:47 +10:00
..
2019-07-11 13:03:12 +10:00