improve clearing parabolic effect calculations

--adding the internal separator made the things a little
more complicated. This commit improves the clearing
calculations in order to not conflict the messages
with each other and trying to restore all applets
and tasks that are not considered for the parabolic
effect.

containment/contents/ui/AppletItem.qml

@@ -164,13 +164,12 @@ Item {
     //property int debCounter: 0;
     function interceptLatteAppletUpdateScale(dIndex, newScale, step){
         if(!root.editMode){
-            if(dIndex === -1){
-                layoutsContainer.updateScale(index-1,newScale, step);
+            if(dIndex <= -1){
+                layoutsContainer.updateScale(index+dIndex,newScale, step);
             }
-            else if(dIndex === root.tasksCount){
-                //   debCounter++;
-                //   console.log(debCounter+ " "+dIndex+" "+newScale+" received...");
-                layoutsContainer.updateScale(index+1,newScale, step);
+            else if(dIndex >= root.tasksCount){
+                var dif = dIndex - root.tasksCount + 1;
+                layoutsContainer.updateScale(index+dif,newScale, step);
             }
         }
     }

plasmoid/contents/ui/TaskDelegate.qml

@@ -515,8 +515,16 @@ MouseArea{
                     root.updateScale(index-1, leftScale, 0);
 
                     if(!root.hasInternalSeparator) {
-                        root.updateScale(index+2, 1, 0);
-                        root.updateScale(index-2, 1, 0);
+                        //restore neighbour tasks
+                        var hIndex = index + 2;
+                        var lIndex = index - 2;
+
+                        if (hIndex<=icList.tasksCount)
+                            root.updateScale(hIndex, 1, 0);
+
+                        if (lIndex>=-1)
+                            root.updateScale(lIndex, 1, 0);
+
                     } else if(root.internalSeparatorPos>=0) {
                         if(root.internalSeparatorPos === index+1){
                             if (!positiveDirection) {
@@ -525,8 +533,16 @@ MouseArea{
                                 root.updateScale(index+2, bsNeighbourZoom, 0);
                             }
 
-                            root.updateScale(index+3, 1, 0);
-                            root.updateScale(index-2, 1, 0);
+                            //restore neighbour tasks
+                            var hIndex = index + 3;
+                            var lIndex = index - 2;
+
+                            if (hIndex<=icList.tasksCount)
+                                root.updateScale(hIndex, 1, 0);
+
+                            if (lIndex>=-1)
+                                root.updateScale(lIndex, 1, 0);
+
                         } else if(root.internalSeparatorPos === index-1) {
                             if (!positiveDirection) {
                                 root.updateScale(index-2, bsNeighbourZoom, 0);
@@ -534,11 +550,32 @@ MouseArea{
                                 root.updateScale(index-2, ssNeighbourZoom, 0);
                             }
 
-                            root.updateScale(index+2, 1, 0);
-                            root.updateScale(index-3, 1, 0);
+                            //restore neighbour tasks
+                            var hIndex = index + 2;
+                            var lIndex = index - 3;
+
+                            if (hIndex<=icList.tasksCount)
+                                root.updateScale(hIndex, 1, 0);
+
+                            if (lIndex>=-1)
+                                root.updateScale(lIndex, 1, 0);
                         }
                     }
 
+                    //extra restoring signals for applets around the plasmoid
+                    //at the low end
+                    if (index>=2 || ((index>=1) && (!root.hasInternalSeparator || root.internalSeparatorPos>1)) ) {
+                        root.updateScale(-1, 1, 0);
+                    }
+                    //at the high end
+                    if (index<=root.tasksCount-3
+                            || ((index<=root.tasksCount-2)
+                                && (!root.hasInternalSeparator
+                                    || (root.hasInternalSeparator && root.internalSeparatorPos<root.tasksCount-2)) )) {
+                        root.updateScale(root.tasksCount, 1, 0);
+                    }
+
+
                     //Left hiddenSpacer
                     if(((index === 0 )&&(icList.count > 1)) && !root.disableLeftSpacer){
                         hiddenSpacerLeft.nScale = leftScale - 1;