basic support for no compositingActive

--this commit supports disabled compositing
but enabled for the dock a pseudo-AlwaysVisible
state in such case occurs. All hiding signals
are ignored

containment/contents/ui/VisibilityManager.qml

@@ -102,24 +102,24 @@ Item{
 
     function slotMustBeHide() {
         // console.log("hide....");
-        if(!dock.visibility.blockHiding && !dock.visibility.containsMouse) {
+        if(!dock.visibility.blockHiding && !dock.visibility.containsMouse && windowSystem.compositingActive) {
             slidingAnimationAutoHiddenOut.init();
         }
     }
 
     ///test maskArea
     function updateMaskArea() {
-        if (!windowSystem.compositingActive || !dock) {
+        if (!dock) {
             return;
         }
 
         var localX = 0;
         var localY = 0;
 
-        normalState = (root.nowDockHoveredIndex === -1) && (layoutsContainer.hoveredIndex === -1)
+        normalState = ((root.nowDockHoveredIndex === -1) && (layoutsContainer.hoveredIndex === -1)
                 && (root.appletsAnimations === 0)
                 && (root.animationsNeedBothAxis === 0) && (root.animationsNeedLength === 0)
-                && (!mainLayout.animatedLength)
+                && (!mainLayout.animatedLength) ) || !windowSystem.compositingActive
 
         // debug maskArea criteria
         //console.log(root.nowDockHoveredIndex + ", " + layoutsContainer.hoveredIndex + ", "
@@ -144,11 +144,11 @@ Item{
             tempThickness = thicknessNormalOriginal;
 
             if (root.animationsNeedThickness > 0) {
-                tempThickness = thicknessMidOriginal;
+                tempThickness = windowSystem.compositingActive ? thicknessMidOriginal : thicknessNormalOriginal;
             }
 
             if (dock.visibility.isHidden) {
-                tempThickness = thicknessAutoHidden;
+                tempThickness = windowSystem.compositingActive ? thicknessAutoHidden : thicknessNormalOriginal;
             }
 
             //configure x,y based on plasmoid position and root.panelAlignment(Alignment)

containment/contents/ui/main.qml

@@ -133,7 +133,7 @@ DragDrop.DropArea {
                                     layoutsContainer.height + 0.5*iconMargin : mainLayout.height + iconMargin) :
                                Screen.height //on unlocked state use the maximum*/
 
-    Plasmoid.backgroundHints: PlasmaCore.Types.NoBackground
+    Plasmoid.backgroundHints: windowSystem.compositingActive ? PlasmaCore.Types.NoBackground : PlasmaCore.Types.DefaultBackground
 
     //// BEGIN properties in functions
     property int noApplets: {
@@ -970,6 +970,10 @@ DragDrop.DropArea {
     ////BEGIN interfaces
     Latte.WindowSystem {
         id:windowSystem
+
+        onCompositingActiveChanged:{
+            visibilityManager.updateMaskArea();
+        }
     }
 
     ////END interfaces

shell/contents/views/Panel.qml

@@ -26,9 +26,9 @@ import org.kde.plasma.core 2.0 as PlasmaCore
 PlasmaCore.FrameSvgItem {
     id: root
 
-    //imagePath: containment && containment.backgroundHints === PlasmaCore.Types.NoBackground ? "" : "widgets/panel-background"
+    imagePath: containment && containment.backgroundHints === PlasmaCore.Types.NoBackground ? "" : "widgets/panel-background"
     //imagePath: "widgets/panel-background"
-    imagePath: ""
+    //imagePath: ""
     prefix:""
     // onRepaintNeeded: adjustPrefix();