fix #248,option to shring thick margins to minimum

containment/contents/config/main.xml

@@ -28,6 +28,9 @@
     <entry name="iconSize" type="Int">
       <default>64</default>
     </entry>
+    <entry name="shrinkThickMargins" type="Bool">
+      <default>false</default>
+    </entry>
     <entry name="proportionIconSize" type="Double">
       <default>-1</default>
     </entry>

containment/contents/ui/main.qml

@@ -61,6 +61,7 @@ DragDrop.DropArea {
                                          : (layoutsContainer.hoveredIndex !== -1) //|| wholeArea.containsMouse
     property bool normalState : false
     property bool onlyAddingStarup: true //is used for the initialization phase in startup where there arent removals, this variable provides a way to grow icon size
+    property bool shrinkThickMargins: plasmoid.configuration.shrinkThickMargins
     property bool solidPanel: plasmoid.configuration.solidPanel
     //FIXME: possibly this is going to be the default behavior, this user choice
     //has been dropped from the Dock Configuration Window
@@ -115,8 +116,8 @@ DragDrop.DropArea {
 
     //decouple iconMargin which now is used only for length calculations with thickMargins
     //which are used for thickness calculations
-    property int thickMarginBase: Math.ceil(iconMargin/2)
-    property int thickMarginHigh: Math.ceil(iconMargin/2)
+    property int thickMarginBase: shrinkThickMargins ? 1 : Math.ceil(iconMargin/2)
+    property int thickMarginHigh: shrinkThickMargins ? 1 : Math.ceil(iconMargin/2)
     property int thickMargin: thickMarginBase + thickMarginHigh
 
     //it is used in order to not break the calculations for the thickness placement

shell/contents/configuration/TweaksConfig.qml

@@ -40,6 +40,26 @@ PlasmaComponents.Page {
         anchors.centerIn: parent
         Layout.leftMargin: units.smallSpacing * 2
 
+        //! BEGIN: Appearance
+        ColumnLayout {
+            spacing: units.smallSpacing
+
+            Header {
+                text: i18n("Appearance")
+            }
+
+            PlasmaComponents.CheckBox {
+                id: shrinkThickness
+                Layout.leftMargin: units.smallSpacing * 2
+                text: i18n("Shrink thickness margins to minimum")
+                checked: plasmoid.configuration.shrinkThickMargins
+
+                onClicked: {
+                    plasmoid.configuration.shrinkThickMargins = checked
+                }
+            }
+        }
+
         //! BEGIN: Behavior
         ColumnLayout {
             spacing: units.smallSpacing