If this is supposed to be a bug report then know that Linux is not supported by CCP.
You can try to move the upper window manager panel, or set it on auto-hide, or use a different window manager altogether. This may give you some more screen space. You can also try to use a smaller font size and see if it moves the elements on the window closer together.
Or you could just stop using the Linux launcher, install a much more recent version of WINE and go with the Windows installer and launcher of the game. Steam now also offers WINE directly builtin and lets you start many Windows game now on Linux. See here.