four digits shown in pen width

dialogs.cpp

@@ -577,7 +577,7 @@ namespace dialog {
         if(ne.positive && x <= 0) return;
         *ne.editwhat = x;
         }
-      if(kind == 'v') ne.s = fts(*ne.editwhat);
+      if(kind == 'v') ne.s = disp(*ne.editwhat);
       }
     
     if(reaction) reaction();
@@ -758,7 +758,7 @@ namespace dialog {
         double d = exp(shiftmul/10);
         vid.alpha *= d;
         vid.scale *= d;
-        ne.s = fts(vid.alpha);
+        ne.s = disp(vid.alpha);
         }
       else if(doexiton(sym, uni)) popScreen();
       };
@@ -815,7 +815,7 @@ namespace dialog {
   
   void editNumber(ld& x, ld vmin, ld vmax, ld step, ld dft, string title, string help) {
     ne.editwhat = &x;
-    ne.s = fts(x);
+    ne.s = disp(x);
     ne.vmin = vmin;
     ne.vmax = vmax;
     ne.step = step;

util.cpp

@@ -16,6 +16,29 @@ string ftssmart(ld x) {
   return buf;
   }
 
+/*
+string fts_smartdisplay(ld x, int maxdisplay) {
+  string rv;
+  if(x > 1e9 || x < -1e9) retrun fts(x);
+  if(x<0) { rv = "-"; x = -x; }
+  int i = int(x);
+  rv += its(i);
+  x -= i;
+  bool nonzero = i;
+  if(x == 0) return rv;
+  if(x < 1e-9 && nonzero) return rv;
+  rv += ".";
+  while(maxdisplay > 0) {
+    x *= 10;
+    rv += '0' + int(x);
+    if(int(x)) nonzero = true;
+    x -= int(x);
+    if(x == 0) return rv;
+    if(x < 1e-9 && nonzero) return rv;
+    maxdisplay--;
+    }
+  } */
+
 string cts(char c) { char buf[8]; buf[0] = c; buf[1] = 0; return buf; }
 string llts(long long i) {
     // sprintf does not work on Windows IIRC