Index: sources/gui/qml/compounds/CheckListView.qml
===================================================================
diff -u -ra7aab61ca63538c37b6931c60252680fc2ec2416 -rc77b29df6f38fe6db54d2f54768c5fb80210879f
--- sources/gui/qml/compounds/CheckListView.qml	(.../CheckListView.qml)	(revision a7aab61ca63538c37b6931c60252680fc2ec2416)
+++ sources/gui/qml/compounds/CheckListView.qml	(.../CheckListView.qml)	(revision c77b29df6f38fe6db54d2f54768c5fb80210879f)
@@ -53,73 +53,40 @@
     function setWait    (vModel) { vModel.stepStart = true  ; vModel.stepDone = false   }
     function setDone    (vModel) { vModel.stepStart = true  ; vModel.stepDone = true    }
 
-    function setItemExt (vIndex, vEntered) {
-        let goBak  = pIndex > vIndex
-        let goTop  = pIndex < vIndex
-        // if ( pIndex === vIndex && !vEntered ) return
+    function setItemExt(vIndex, vEntered) {
+        // Direction:
+        //  1 = forward
+        // -1 = backward
+        //  0 = same item
+        const direction = Math.sign(vIndex - pIndex) // returns sign of nuymber
 
-        for ( let i = 0; i < _listView.count; i++ ) {
-            let model = _listView.itemAt(i)
-            //DEBUG console.log(i, pIndex, vEntered?"I":"O", vIndex/*, goBak?"B":" ", goTop?"T":" "*/)
-            if ( i < vIndex ) {
-                if ( goTop ) {
-                    // Do nothing
-                }
-                else {
-                    // setDone(model)
-                }
+        for (let i = 0; i < _listView.count; ++i) {
+            const model = _listView.itemAt(i)
+
+            if (i < vIndex) {
+                // Items before the current one.
+                if (direction > 0)
+                    setDone(model)      // Completed while moving forward.
+                else if (direction < 0)
+                    setClear(model)     // Reset while moving backward.
             }
-            if ( i > vIndex ) {
-                setClear(model)
+            else if (i === vIndex) {
+                // Current item.
+                if (vEntered)
+                    setWait(model)      // Entered current item.
+                else if (direction === 0)
+                    setDone(model)      // Finished current item.
+                else
+                    setClear(model)     // Leaving for another item.
+
             }
-            if ( i === vIndex ) {
-                if ( vEntered ) {
-                    setWait(model)
-                }
-                else {
-                    if ( goTop ) {
-                        setClear(model)
-                    }
-                    else {
-                        if ( goBak ) {
-                            setClear(model)
-                        }
-                        else {
-                            setDone(model)
-                        }
-                    }
-                }
-            }
-        }
-        pIndex = vIndex
-        //DEBUG console.log("-----")
-    }
-    //DEBUG Test function for investigation
-    function setItemExt2 (vIndex, vValue, vMode) {
-        for ( let i = 0; i < _listView.count; i++ ) {
-            let model = _listView.itemAt(i)
-            if ( i < vIndex ) {
-                setDone(model)
-                continue
-            }
-            if ( i > vIndex ) {
+            else {
+                // Items after the current one are always reset.
                 setClear(model)
-                continue
             }
-
-            if ( vMode === 0 ) // enter
-                setWait(model)
-            if ( vMode === 1 ) // in Progress
-                setWait(model)
-            if ( vMode === 2 ) // exit
-                setDone(model)
-            if ( vMode === 9 ){// depending on value
-                if ( vValue ) setWait(model)
-                else          setDone(model)
-            }
-
         }
 
+        pIndex = vIndex
     }
 
     width   : _root.delegateWidth