Prevent changing time control during game (XB)

An attempt to pop up the Time Control Options dialog during a game
will now be met with an Error popup to say it cannot be done, like
in WinBoard. Before it would reset the game.

diff --git a/dialogs.c b/dialogs.c
index 4b52d26..ea0ece7 100644 (file)
--- a/dialogs.c
+++ b/dialogs.c
@@ -1671,6 +1671,10 @@ SetTcType (int n)
 void
 TimeControlProc ()
 {
+   if(gameMode != BeginningOfGame) {
+       DisplayError(_("Changing time control during a game is not implemented"), 0);
+       return;
+   }
    tmpMoves = appData.movesPerSession;
    tmpInc = appData.timeIncrement; if(tmpInc < 0) tmpInc = 0;
    tmpOdds1 = tmpOdds2 = 1; tcType = 0;