GUI cleanup for White Balance tool (see issue 2010)

rtengine/procevents.h

@@ -188,7 +188,7 @@ enum ProcEvent {
 	EvRGBgCurve=163,
 	EvRGBbCurve=164,
 	EvNeutralExp=165,
-	EvLBWtoning=166,
+//	EvLBWtoning=166,  -- can be reused --
 	EvLCCCurve=167,
 	EvLCHCurve=168,
 	EvVibranceSkinTonesCurve=169,
@@ -243,22 +243,22 @@ enum ProcEvent {
 	EvBWredgam=217,
 	EvBWgreengam=218,
 	EvBWbluegam=219,
-	EvBWfil=220,
-	EvBWset=221,
+	EvBWfilter=220,
+	EvBWsetting=221,
 	EvBWoran=222,
 	EvBWyell=223,
 	EvBWcyan=224,
 	EvBWmag=225,
 	EvBWpur=226,
-	EvBWequalV=227,
+	EvBWLuminanceEqual=227,
 	EvBWChmixEnabledLm=228,
-	EvBWmet=229,
-	EvToneCurvebw1=230,
-	EvToneCurveBWMode1=231,
-	EvToneCurvebw2=232,
-	EvToneCurveBWMode2=233,
+	EvBWmethod=229,
+	EvBWBeforeCurve=230,
+	EvBWBeforeCurveMode=231,
+	EvBWAfterCurve=232,
+	EvBWAfterCurveMode=233,
 	EvAutoch=234,
-	EvFixedch=235,
+//	EvFixedch=235,   -- can be reused --
 	EvNeutralBW=236,
 	EvGradientFeather=237,
 	EvGradientStrength=238,