fixes for panel background metrics

containment/contents/ui/PanelBox.qml

@@ -33,17 +33,34 @@ import org.kde.latte 0.1 as Latte
 Item{
     id:barLine
 
+    width: root.isHorizontal ? panelWidth : smallSize
+    height: root.isVertical ? panelHeight : smallSize
+
     opacity: root.useThemePanel ? 1 : 0
 
-    property int panelWidth: root.drawShadowsExternal ? root.width :
+    property int panelWidth: {
-                                                        (root.panelAlignment === Latte.Dock.Justify) && root.isHorizontal && !root.editMode ?
+        if (root.drawShadowsExternal) {
-                                                            layoutsContainer.contentWidth + spacing : mainLayout.width + spacing
+            return root.width;
-    property int panelHeight: root.drawShadowsExternal ? root.height :
+        } else {
-                                                         (root.panelAlignment === Latte.Dock.Justify) && root.isVertical && !root.editMode ?
+            if ((root.panelAlignment === Latte.Dock.Justify) && root.isHorizontal && !root.editMode) {
-                                                             layoutsContainer.contentHeight + spacing : mainLayout.height + spacing
+                return root.maxLength;
+            } else {
+                return mainLayout.width + spacing;
+            }
+        }
+    }
 
-    width: root.isHorizontal ? panelWidth : smallSize
+    property int panelHeight: {
-    height: root.isVertical ? panelHeight : smallSize
+        if (root.drawShadowsExternal) {
+            return root.height;
+        } else {
+            if ((root.panelAlignment === Latte.Dock.Justify) && root.isVertical && !root.editMode) {
+                return root.maxLength;
+            } else {
+               return mainLayout.height + spacing;
+            }
+        }
+    }
 
     property int spacing: (root.panelAlignment === Latte.Dock.Center
                            || plasmoid.configuration.panelPosition === Latte.Dock.Justify) ?
@@ -82,8 +99,8 @@ Item{
     PlasmaCore.FrameSvgItem{
         id: shadowsSvgItem
 
-        width: root.isVertical ? panelSize + marginsWidth : parent.width + marginsWidth
+        width: root.isVertical ? panelSize + marginsWidth : Math.min(parent.width + marginsWidth, root.width - marginsWidth)
-        height: root.isVertical ? parent.height + marginsHeight : panelSize + marginsHeight
+        height: root.isVertical ? Math.min(parent.height + marginsHeight, root.height - marginsHeight) : panelSize + marginsHeight
 
         imagePath: root.drawShadowsExternal ? "" : "widgets/panel-background"
         prefix: root.drawShadowsExternal ? "" : "shadow"

containment/contents/ui/main.qml

@@ -1129,7 +1129,7 @@ DragDrop.DropArea {
         property int hoveredIndex: -1
 
         x: {
-            if ( (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isHorizontal
+            if ( dock && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isHorizontal
                     && !root.editMode && windowSystem.compositingActive && !root.drawShadowsExternal ){
                 return ((dock.width/2) - (root.maxLength/2))
             } else {
@@ -1146,7 +1146,7 @@ DragDrop.DropArea {
         }
 
         y: {
-            if ( (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isVertical
+            if ( dock && (plasmoid.configuration.panelPosition === Latte.Dock.Justify) && root.isVertical
                     && !root.editMode && windowSystem.compositingActive && !root.drawShadowsExternal ) {
                 return ((dock.height/2) - (root.maxLength/2));
             } else {