control decimal dot visibility

editor/calculator.ts

@@ -1617,7 +1617,9 @@ module TDev
 
             var numAdd = this.keyBlock(ph ? 3 : 4, 1);
             numAdd[0].setText("0", "", this.insertFn);
-            numAdd[1].setText(".", lf("decimal dot"), this.insertFn);
+            if (TheEditor.widgetEnabled("integerNumbers"))
+                numAdd[1].clear()
+            else numAdd[1].setText(".", lf("decimal dot"), this.insertFn);
             numAdd[2].setText("-", lf("negation"), this.insertFn);
 
             if (!ph) {

editor/hub.ts

@@ -269,6 +269,7 @@ module TDev.Browser {
                     forceMainAsAction: true,
                     singleReturnValue: true,
                     librariesSection: true,
+                    integerNumbers: true,
                 }
             },
         },

rt/cloud.ts

@@ -34,6 +34,7 @@ module TDev.Cloud {
         changeSkillLevel?: boolean;
         mainAlwaysAction?: boolean;
         singleReturnValue?: boolean;
+        integerNumbers?: boolean;
 
         // features
         actionSettings?: boolean;