correct key buffering

graph.cpp

@@ -4938,8 +4938,12 @@ EX void drawfullmap() {
 extern bool wclick;
 #endif
 
+EX bool just_refreshing;
+
 EX void gamescreen(int _darken) {
 
+  if(just_refreshing) return;
+
   if(subscreens::split([=] () {
     calcparam();
     compute_graphical_distance();