Windows uses the renderer size not the object size...

Fixes CLIENT-231

Change-Id: Ida8a1141dc188751da8cc3c8c7bd3a75f24f5399
Reviewed-on: http://gerrit.dmdirc.com/1975
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/addons/ui_swing/framemanager/tree/TreeViewTreeCellRenderer.java

@@ -30,11 +30,14 @@ import com.dmdirc.ui.messages.Styliser;
 
 import java.awt.Color;
 import java.awt.Component;
+import java.awt.Dimension;
 
 import javax.swing.JLabel;
 import javax.swing.JTree;
 import javax.swing.tree.TreeCellRenderer;
 
+import net.miginfocom.layout.PlatformDefaults;
+
 /**
  * Displays a node in a tree according to its type.
  */
@@ -138,6 +141,9 @@ public class TreeViewTreeCellRenderer implements TreeCellRenderer,
         label.setBackground(background);
         label.setOpaque(true);
         label.setTextStyle(styliser, sb.toString());
+        label.setPreferredSize(new Dimension(100000, label.getFont().getSize()
+                + (int) (PlatformDefaults.getUnitValueX("related").
+                getValue())));
 
         return label;
     }