Show launcher when no windows are open

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http://ubuntuforums.org – Hello! I'm trying Ubuntu 12.04 beta 2 64 bit. It works really good! But I have some questions and small problems. I'm going to open different threads to discuss about them. First of all: as in my previous Ubuntu versions, I decide to set the Launcher in auto-hide mode. But...when I see the desktop (all the windows are minimized or no windows are open) the launcher isn't visible. Why? It's pretty ugly to see the bare desktop without launcher. How can I set it in order to be shown during the desktop view? thanks! (Hardware)