autowriteagain at preset color change

code/tc.preset.js

@@ -570,6 +570,9 @@ function setcolor() {
         var args = arrayfromargs(arguments);
         var nb_args = args.length;
         var slot_nb = selected_slot;
+        if (nb_args < 1 && nb_args > 5) {
+            error("color: wrong number of arguments.");
+        } else  {
             if (nb_args == 1) {
                 // Set the color index of the currently selected slot (for when color_mode is 2)
                 slots[selected_slot].color_index = Math.floor(args);
@@ -584,11 +587,11 @@ function setcolor() {
                 // Set the custom color for the slot number defined by the 1st argument to the color defined by following arguments in rgba format.
                 slot_nb = Math.floor(args[0]);
                 slots[slot_nb].color_custom = [args[1], args[2], args[3], args[4]];
-        } else {
-            error("color: wrong number of arguments.");
             }
             update_preset_color_pattr(slot_nb);
             paint_base();
+            trigger_writeagain();
+        }
     }
 }
 
@@ -886,6 +889,7 @@ function store(v) {
             
             outlet(0, "store", v);
             if (v) {
+                // We writagain only if stored preset is > 0
                 trigger_writeagain();
             }
         }