X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=dialogs.c;h=ea0ece7e01e113fe53c1ca9a45e636cba2ad5145;hb=4a93b2d0743219a65784b043395cda77fa80662c;hp=cb9b2989fca42ae6445a2c8c4f49dbcebb3156e0;hpb=154e66c1503c1352990adf30fd7414936a8e4307;p=xboard.git

diff --git a/dialogs.c b/dialogs.c
index cb9b298..ea0ece7 100644
--- 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;
@@ -1946,6 +1950,7 @@ OutputChatMessage (int partner, char *mess)
     char *p = texts[partner];
     int len = strlen(mess) + 1;
 
+    if(!DialogExists(ChatDlg)) return;
     if(p) len += strlen(p);
     texts[partner] = (char*) malloc(len);
     snprintf(texts[partner], len, "%s%s", p ? p : "", mess);
@@ -2263,8 +2268,8 @@ ErrorPopUp (char *title, char *label, int modal)
 {
     errorUp = True;
     errorOptions[1].name = label;
-    if(dialogError = shellUp[TransientDlg])
-	GenericPopUp(errorOptions+1, title, FatalDlg, TransientDlg, MODAL, 0); // pop up as daughter of the transient dialog
+    if(dialogError = shellUp[MasterDlg])
+	GenericPopUp(errorOptions+1, title, FatalDlg, MasterDlg, MODAL, 0); // pop up as daughter of the transient dialog
     else
 	GenericPopUp(errorOptions+modal, title, modal ? FatalDlg: ErrorDlg, BoardWindow, modal, 0); // kludge: option start address indicates modality
 }