Unable to init server: Could not connect: Connection refused Cannot open display: Run 'glade-previewer --help' to see a full list of available command line options.

Usage: glade-previewer [OPTION?] - previews a glade UI definition Help Options: -h, --help Show help options --help-all Show all help options --help-gtk Show GTK+ Options Application Options: -f, --filename=FILENAME Name of the file to preview --template Creates dummy widget class to load a template -t, --toplevel=TOPLEVELNAME Name of the toplevel to preview --screenshot File name to save a screenshot --css CSS file to use -l, --listen Listen standard input --slideshow make a slideshow of every toplevel widget by adding them in a GtkStack --print-handler Print handlers signature on invocation -v, --version Display previewer version --display=DISPLAY X display to use