X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=xoptions.c;h=3151c31c0c8086b46969610be95d7f87c775e259;hb=64d55e8b2e4a10432f3249ef3f168ddfff0ff5ef;hp=7532dabf046d70f34afed784d75953483db287ee;hpb=636be68a919cab251602e971923222db8a7ab94f;p=xboard.git

diff --git a/xoptions.c b/xoptions.c
index 7532dab..3151c31 100644
--- a/xoptions.c
+++ b/xoptions.c
@@ -246,6 +246,7 @@ int tcIncrement, tcMoves;
 void TimeControlPopDown()
 {
     if (!TimeControlUp) return;
+    previous = NULL;
     XtPopdown(TimeControlShell);
     XtDestroyWidget(TimeControlShell);
     TimeControlUp = False;
@@ -568,6 +569,7 @@ Widget engDrawMoves, engThreshold, engRule, engRepeat;
 void EnginePopDown()
 {
     if (!EngineUp) return;
+    previous = NULL;
     XtPopdown(EngineShell);
     XtDestroyWidget(EngineShell);
     EngineUp = False;
@@ -1126,6 +1128,7 @@ struct UciControl controlDesc[] = {
 void UciPopDown()
 {
     if (!UciUp) return;
+    previous = NULL;
     XtPopdown(UciShell);
     XtDestroyWidget(UciShell);
     UciUp = False;
@@ -1324,6 +1327,7 @@ ChessProgramState *currentCps;
 void SettingsPopDown()
 {
     if (!SettingsUp) return;
+    previous = NULL;
     XtPopdown(SettingsShell);
     XtDestroyWidget(SettingsShell);
     SettingsUp = False;