Dials now work with alt key for slower turning

Dials now work with alt key for slower turning.
Press alt and move dial for fine grain tuning.

ReEQ.jsfx

@@ -3677,7 +3677,7 @@ function is_mouse_number_dial() instance (x, y, r, v) local (rad)
  * Handle the number style button
  */
 function handle_number_dial(val) instance (x, y, r, v, width, menutext, label, drag, height, db, oldy, type)
-  local (oldy, md)
+  local (oldy, md, mouse_speed)
 (
   v = val;
   (button_focus == -1 || button_focus == x) && node_drag_mode == 0 ? (
@@ -3694,8 +3694,9 @@ function handle_number_dial(val) instance (x, y, r, v, width, menutext, label, d
       !(mouse_cap & 1) ? ( drag = 0; button_focus = -1; );
     );
 
-    drag ? ( 
-      md = (mouse_y - oldy);
+    drag ? (
+      mouse_cap & 16 ? mouse_speed = 12 : mouse_speed = 1;
+      md = (mouse_y - oldy) / mouse_speed;
 
       md > 0 ? v -= 0.01 * abs(md*0.5);
       md < 0 ? v += 0.01 * abs(md*0.5);