fix #128, reimplement the panel draw

--this contains also a fix for updating the
struts

containment/contents/ui/DebugWindow.qml

@@ -289,6 +289,14 @@ Window{
             text: root.panelShadow
         }
 
+        Text{
+            text: "Panel Background Margin"+space
+        }
+
+        Text{
+            text: root.panelMargin
+        }
+
         Text{
             text: "   -----------   "
         }

containment/contents/ui/PanelBox.qml

@@ -98,8 +98,8 @@ Item{
 
         property int panelSize: automaticPanelSize
         property int automaticPanelSize: root.drawShadowsExternal ? 1.2*plasmoid.configuration.iconSize + 1
-                                                                  : Math.min(root.themePanelSize + root.panelShadow + 1,
-                                                                            root.statesLineSize + root.iconSize + root.iconMargin + 1)
+                                                                  : Math.min(root.themePanelSize + root.panelShadow,
+                                                                            root.statesLineSize + root.iconSize + root.iconMargin + root.panelMargin)
 
         property int shadowsSize: {
             if (shadowsSvgItem && root.useThemePanel){
@@ -139,6 +139,7 @@ Item{
 
 
         PlasmaCore.FrameSvgItem{
+            id: solidBackground
             anchors.leftMargin: shadowsSvgItem.margins.left
             anchors.rightMargin: shadowsSvgItem.margins.right
             anchors.topMargin: shadowsSvgItem.margins.top
@@ -147,6 +148,28 @@ Item{
 
             imagePath: "widgets/panel-background"
 
+            Binding {
+                target: root
+                property: "panelMargin"
+                value: {
+                    if (root.useThemePanel){
+                        if (root.isVertical){
+                            if (plasmoid.location === PlasmaCore.Types.LeftEdge)
+                                return solidBackground.margins.right;
+                            else if (plasmoid.location === PlasmaCore.Types.RightEdge)
+                                return solidBackground.margins.left;
+                        } else {
+                            if (plasmoid.location === PlasmaCore.Types.BottomEdge)
+                                return solidBackground.margins.top;
+                            else if (plasmoid.location === PlasmaCore.Types.TopEdge)
+                                return solidBackground.margins.bottom;
+                        }
+                    } else {
+                        return 0;
+                    }
+                }
+            }
+
             onRepaintNeeded: {
                 if (root.drawShadowsExternal)
                     adjustPrefix();

containment/contents/ui/VisibilityManager.qml

@@ -301,22 +301,22 @@ Item{
                 //the shadows size must be removed from the maskArea
                 //before updating the localDockGeometry
 
-                if(panelIsBiggerFromIconSize && !root.drawShadowsExternal) {
-                    var shadow = root.panelShadow;
+                var fixedThickness = thicknessNormal;
 
-                    var fixedThickness = thicknessNormal - shadow;
+                if(panelIsBiggerFromIconSize && !root.drawShadowsExternal) {
+                    fixedThickness = thicknessNormal - root.panelShadow;
+                }
 
-                    if (plasmoid.formFactor === PlasmaCore.Types.Vertical) {
-                        newMaskArea.width = fixedThickness;
-                    } else {
-                        newMaskArea.height = fixedThickness;
-                    }
+                if (plasmoid.formFactor === PlasmaCore.Types.Vertical) {
+                    newMaskArea.width = fixedThickness;
+                } else {
+                    newMaskArea.height = fixedThickness;
+                }
 
-                    if (plasmoid.location === PlasmaCore.Types.BottomEdge) {
-                        newMaskArea.y = dock.height - fixedThickness;
-                    } else if (plasmoid.location === PlasmaCore.Types.RightEdge) {
-                        newMaskArea.x = dock.width - fixedThickness;
-                    }
+                if (plasmoid.location === PlasmaCore.Types.BottomEdge) {
+                    newMaskArea.y = dock.height - fixedThickness;
+                } else if (plasmoid.location === PlasmaCore.Types.RightEdge) {
+                    newMaskArea.x = dock.width - fixedThickness;
                 }
 
                 dock.setLocalDockGeometry(newMaskArea);

containment/contents/ui/main.qml

@@ -85,6 +85,7 @@ DragDrop.DropArea {
     property int realPanelSize
     property int realPanelLength: 0
     //this is set by the PanelBox
+    property int panelMargin: 0
     property int panelShadow: 0 //shadowsSize
     property int editShadow: Math.ceil(iconSize / 5)
     property int themePanelSize: plasmoid.configuration.panelSize