Panel and taskbar integration?

[- Kocil]

>>it would be nice to have a full screen width panel with
>>integrated taskbar in XFCE4 (like in GNOME, KDE, or other
>>desktops).  Is there a way to do this?

>I'm sorry to say that, but if you don't like the way XFce4 arranges its
>components but want it to act like another desktop environment .. then
>why do you use XFce4 at all .. and not some of the environment of the
>list you just mentioned above?

I personally prefer to turn off the task bar.
But now about the panel.
I would like to arrange it full from the left to the right at the bottom.
It does not matter if there would be some empty gaps.
More over, if I launch an application, the app should not overlap with the 
panel.
(the bottom border of the app would always be above of the panel).
Can I set it like that ?

Thanks.

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