1 <hbwidget version="0.1" type="NmViewerHeader">

     2     <layout name="customheader" type="mesh">   

     3       <meshitem src="headergroupbox" srcEdge="TOP" dst="" dstEdge="TOP" spacing="0un"/>

     4       <meshitem src="headergroupbox" srcEdge="LEFT" dst="" dstEdge="LEFT" spacing="0un"/>

     5       <meshitem src="headergroupbox" srcEdge="RIGHT" dst="" dstEdge="RIGHT" spacing="0un"/> 

     6       <meshitem src="headergroupbox" srcEdge="BOTTOM" dst="sent" dstEdge="TOP" spacing="var(hb-param-margin-gene-top)"/> 

     7                  

     8       <meshitem src="sent" srcEdge="LEFT" dst="" dstEdge="LEFT" spacing="-var(hb-param-margin-gene-left)"/>

     9       <meshitem src="sent" srcEdge="RIGHT" dst="prioicon" dstEdge="LEFT" spacing="1un"/>

    10       

    11       <meshitem src="subject" srcEdge="LEFT" dst="" dstEdge="LEFT" spacing="-var(hb-param-margin-gene-left)"/>

    12       <meshitem src="subject" srcEdge="RIGHT" dst="" dstEdge="RIGHT" spacing="var(hb-param-margin-gene-right)"/> 

    13       <meshitem src="subject" srcEdge="BOTTOM" dst="" dstEdge="BOTTOM" spacing="var(hb-param-margin-gene-bottom)"/>

    14       <meshitem src="subject" srcEdge="TOP" dst="sent" dstEdge="BOTTOM" spacing="var(hb-param-margin-middle-vertical)"/>

    15 

    16       <meshitem src="prioicon" srcEdge="CENTERV" dst="sent" dstEdge="CENTERV"/>      

    17       <meshitem src="prioicon" srcEdge="RIGHT" dst="" dstEdge="RIGHT" spacing="var(hb-param-margin-gene-right)"/> 

    18   </layout>

    19 </hbwidget>