X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.h;h=c82c9894acabfc86ef85cf1c1d348431d81a1ec8;hb=64a3d6f1b363df4b2b11d8cb95a097f68612323d;hp=edb615c486e61bef5715b908f6f7f28ef8e3de1f;hpb=e8ee92700cdae0637fdce80b013bd76aba7a730d;p=xboard.git

diff --git a/backend.h b/backend.h
index edb615c..c82c989 100644
--- a/backend.h
+++ b/backend.h
@@ -241,6 +241,7 @@ int PromoScroll P((int x, int y));
 void EditBookEvent P((void));
 Boolean DisplayBook P((int moveNr));
 void SaveToBook P((char *text));
+void HoverEvent P((int hiX, int hiY, int x, int y));
 int PackGame P((Board board));
 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar, Board board));
@@ -439,6 +440,8 @@ extern int errorExitStatus;
 extern char *recentEngines;
 extern char *comboLine;
 extern Boolean partnerUp, twoBoards;
+extern char engineVariant[];
+char *EngineDefinedVariant P((ChessProgramState *cps, int n));
 void SettingsPopUp P((ChessProgramState *cps)); // [HGM] really in front-end, but CPS not known in frontend.h
 int WaitForEngine P((ChessProgramState *cps, DelayedEventCallback x));
 void Load P((ChessProgramState *cps, int n));