create behaveAsPlasmaPanel for containment

--replace drawShadowsExternal with behaveAsPlasmaPanel

containment/contents/ui/DebugWindow.qml

@@ -514,6 +514,19 @@ Window{
                 text: visibilityManager.panelIsBiggerFromIconSize
             }
 
+            Text{
+                text: "Behave As Plasma Panel"+space
+            }
+
+            Text{
+                text: {
+                    if (root.behaveAsPlasmaPanel)
+                        return "Yes";
+                    else
+                        return "No";
+                }
+            }
+
             Text{
                 text: "Draw Shadows (external)"+space
             }

containment/contents/ui/EditModeVisual.qml

@@ -37,8 +37,8 @@ Image{
     property int speed: root.durationTime*4*units.longDuration
     property int thickness: visibilityManager.thicknessNormalOriginal + root.editShadow
     property int rootThickness: visibilityManager.thicknessZoomOriginal + root.editShadow
-    property int editLength: root.isHorizontal ? (root.drawShadowsExternal ? root.width - root.maxIconSize/4 : root.maxLength) :
-                                               (root.drawShadowsExternal ? root.height - root.maxIconSize/4 : root.maxLength)
+    property int editLength: root.isHorizontal ? (root.behaveAsPlasmaPanel ? root.width - root.maxIconSize/4 : root.maxLength) :
+                                               (root.behaveAsPlasmaPanel ? root.height - root.maxIconSize/4 : root.maxLength)
 
     property bool animationSent: false
     property bool farEdge: (plasmoid.location===PlasmaCore.Types.BottomEdge) || (plasmoid.location===PlasmaCore.Types.RightEdge)
@@ -84,7 +84,7 @@ Image{
             return;
         }
 
-        if (editAnimationEnded && !root.drawShadowsExternal) {
+        if (editAnimationEnded && !root.behaveAsPlasmaPanel) {
             dock.shadow = root.editShadow;
         } else {
             dock.shadow = root.panelShadow;
@@ -234,7 +234,7 @@ Image{
                     PropertyAnimation {
                         target: editVisual
                         property: "opacity"
-                        to: root.drawShadowsExternal && dock.session===Latte.Dock.DefaultSession  ? 0.3 : 0.6
+                        to: root.behaveAsPlasmaPanel && dock.session===Latte.Dock.DefaultSession  ? 0.3 : 0.6
                         duration: editVisual.speed / 2
                         easing.type: Easing.OutQuad
                     }

containment/contents/ui/PanelBox.qml

@@ -39,7 +39,7 @@ Item{
     opacity: root.useThemePanel ? 1 : 0
 
     property int panelWidth: {
-        if (root.drawShadowsExternal) {
+        if (root.behaveAsPlasmaPanel) {
             return root.width;
         } else {
             if ((root.panelAlignment === Latte.Dock.Justify) && root.isHorizontal && !root.editMode) {
@@ -51,7 +51,7 @@ Item{
     }
 
     property int panelHeight: {
-        if (root.drawShadowsExternal) {
+        if (root.behaveAsPlasmaPanel) {
             return root.height;
         } else {
             if ((root.panelAlignment === Latte.Dock.Justify) && root.isVertical && !root.editMode) {
@@ -121,8 +121,8 @@ Item{
         height: root.isVertical ? Math.min(parent.height + marginsHeight, root.height - marginsHeight) :
                                   panelSize + marginsHeight - (solidBackground.topIncreaser + solidBackground.bottomIncreaser)
 
-        imagePath: root.drawShadowsExternal || !Latte.WindowSystem.compositingActive || !root.panelShadowsActive ? "" : "widgets/panel-background"
-        prefix: root.drawShadowsExternal || !Latte.WindowSystem.compositingActive || !root.panelShadowsActive ? "" : "shadow"
+        imagePath: root.behaveAsPlasmaPanel || !Latte.WindowSystem.compositingActive || !root.panelShadowsActive ? "" : "widgets/panel-background"
+        prefix: root.behaveAsPlasmaPanel || !Latte.WindowSystem.compositingActive || !root.panelShadowsActive ? "" : "shadow"
 
         opacity: root.useThemePanel ? 1 : 0
         visible: (opacity == 0) ? false : true
@@ -157,7 +157,7 @@ Item{
 
         property int panelSize: automaticPanelSize
         property int automaticPanelSize: {
-            if (root.drawShadowsExternal) {
+            if (root.behaveAsPlasmaPanel) {
                 return root.isVertical ? root.width : root.height;
             } else {
                 var icons = root.statesLineSize + root.iconSize + root.thickMargin + 1;
@@ -315,7 +315,7 @@ Item{
             }
 
             onRepaintNeeded: {
-                if (root.drawShadowsExternal)
+                if (root.behaveAsPlasmaPanel)
                     adjustPrefix();
             }
 

containment/contents/ui/VisibilityManager.qml

@@ -79,7 +79,7 @@ Item{
         target: dock
         property: "drawShadows"
         when: dock
-        value: root.drawShadowsExternal
+        value: root.behaveAsPlasmaPanel
     }
 
     Binding{

containment/contents/ui/main.qml

@@ -53,13 +53,16 @@ DragDrop.DropArea {
     property bool addLaunchersMessage: false
     property bool addLaunchersInTaskManager: plasmoid.configuration.addLaunchersInTaskManager
     property bool autoDecreaseIconSize: plasmoid.configuration.autoDecreaseIconSize
+    property bool behaveAsPlasmaPanel: visibilityManager.panelIsBiggerFromIconSize && (zoomFactor === 1.0)
+                                       && (dock.visibility.mode === Latte.Dock.AlwaysVisible || dock.visibility.mode === Latte.Dock.WindowsGoBelow)
+                                       && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && !root.solidPanel
+
     property bool blurEnabled: plasmoid.configuration.blurEnabled
     property bool confirmedDragEntered: false
     property bool dockContainsMouse: dock && dock.visibility ? dock.visibility.containsMouse : false
-    property bool drawShadowsExternal: visibilityManager.panelIsBiggerFromIconSize && (zoomFactor === 1.0)
-                                       && (dock.visibility.mode === Latte.Dock.AlwaysVisible || dock.visibility.mode === Latte.Dock.WindowsGoBelow)
-                                       && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && !root.solidPanel
-                                       && root.panelShadowsActive
+
+
+    property bool drawShadowsExternal: panelShadowsActive && behaveAsPlasmaPanel
 
     property bool editMode: plasmoid.userConfiguring
     property bool exposeAltSession: globalSettings ? globalSettings.exposeAltSession : false
@@ -122,7 +125,7 @@ DragDrop.DropArea {
     //FIXME: this is not needed any more probably
     property int previousAllTasks: -1    //is used to forbit updateAutomaticIconSize when hovering
     property int offset: {
-        if (drawShadowsExternal) {
+        if (behaveAsPlasmaPanel) {
             return 0;
         }
 
@@ -1312,12 +1315,12 @@ DragDrop.DropArea {
 
     EditModeVisual{
         id:editModeVisual
-        z: root.drawShadowsExternal ? 1 : 0
+        z: root.behaveAsPlasmaPanel ? 1 : 0
     }
 
     Item{
         anchors.fill:layoutsContainer
-        z: root.drawShadowsExternal ? 0 : 1
+        z: root.behaveAsPlasmaPanel ? 0 : 1
 
         PanelBox{}
     }
@@ -1382,7 +1385,7 @@ DragDrop.DropArea {
 
         x: {
             if ( dock && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isHorizontal
-                    && !root.editMode && !root.drawShadowsExternal ){
+                    && !root.editMode && !root.behaveAsPlasmaPanel ){
                 return ((dock.width/2) - (root.maxLength/2) + root.offset)
             } else {
                 if ((visibilityManager.inSlidingIn || visibilityManager.inSlidingOut) && root.isVertical){
@@ -1407,7 +1410,7 @@ DragDrop.DropArea {
 
         y: {
             if ( dock && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isVertical
-                    && !root.editMode && !root.drawShadowsExternal ) {
+                    && !root.editMode && !root.behaveAsPlasmaPanel ) {
                 return ((dock.height/2) - (root.maxLength/2) + root.offset);
             } else {
                 if ((visibilityManager.inSlidingIn || visibilityManager.inSlidingOut) && root.isHorizontal){
@@ -1430,9 +1433,9 @@ DragDrop.DropArea {
             }
         }
 
-        width: (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isHorizontal && !root.editMode && !root.drawShadowsExternal ?
+        width: (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isHorizontal && !root.editMode && !root.behaveAsPlasmaPanel ?
                    root.maxLength : parent.width
-        height: (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isVertical && !root.editMode && !root.drawShadowsExternal ?
+        height: (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isVertical && !root.editMode && !root.behaveAsPlasmaPanel ?
                     root.maxLength : parent.height
         z:10