[LightDM] several qustions about 1.4

[Sergio]

> I ought insert my config files in my
> first mail, here are:
> 
> /etc/lightdm/lightdm-gtk-greeter.conf:
> [greeter]
> logo=/usr/share/pixmaps/fedora-logo-small.png
> background=/usr/share/backgrounds/default.png
> show-language-selector=true
> 
> /etc/lightdm/lightdm.conf:
> [LightDM]
> minimum-vt=7
> user-authority-in-system-dir=true
> [SeatDefaults]
> xserver-allow-tcp=true
> greeter-session=lightdm-greeter
> greeter-hide-users=false
> greeter-show-manual-login=true
> greeter-show-remote-login=true
> session-wrapper=/etc/X11/xinit/Xsession
> [XDMCPServer]
> enabled=true
> [VNCServer]
> enabled=true
> port=5905
> width=1248
> height=1024
> depth=8
> 
> /etc/lightdm/users.conf:
> [UserAccounts]
> minimum-uid=1000
> hidden-users=nobody nobody4 noaccess nx pcguest
> hidden-shells=/bin/false /usr/sbin/nologin
> 
> 
>
> >> - at upper LightDM greeter graphical panel, in
> right corner, I see
> >>   two icons: one for impaired
> peoples which at right click offers
> >> "large fonts" or "high contrast", and quite on
> right icon which
> >> look as switch and IMO should offer things as
> shutdown / reboot /
> >> hibernate etc. But this icon does nothing - left
> click is without
> >> response, right click does nothing too.
> > 
> > Install upower.
> 
> I have upower installed and running, "ps xa|egrep
> '(bus|power)'" output:
>   772 ?        Ssl   
> 0:00 /usr/libexec/upowerd
>   800 ?        Ssl   
> 0:00 /bin/dbus-daemon --system --address=systemd:
> --nofork --systemd-activation
> 
> "upower -d" output (it is desktop PC):
> Daemon:
>   daemon-version:  0.9.17
>   can-suspend:     yes
>   can-hibernate    yes
>   on-battery:      no
>   on-low-battery:  no
>   lid-is-closed:   no
>   lid-is-present:  no
>   is-docked:       no
> 
> but this power icon at login screen does nothing, no matter
> when I click
> left or right mice button.
> 
This bug seems to be present in Fedora too (in lightdm 1.2.x the button works fine).
https://bugzilla.redhat.com/show_bug.cgi?id=857254