nixpkgs/upstart-jobs/xserver.nix

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{ stdenv, writeText, lib, xorg, mesa, xterm, slim, gnome
, compiz, feh
, kdelibs, kdebase
, xkeyboard_config
, openssh, x11_ssh_askpass
, nvidiaDrivers, libX11, libXext
, config
, # Virtual console for the X server.
tty ? 7
, # X display number.
display ? 0
, # List of font directories.
fontDirectories
}:
let
getCfg = option: config.get ["services" "xserver" option];
optional = condition: x: if condition then [x] else [];
#Beryl parameters
#berylcore
#berylmanager
#berylemerald
# Get a bunch of user settings.
videoDriver = getCfg "videoDriver";
resolutions = map (res: "\"${toString res.x}x${toString res.y}\"") (getCfg "resolutions");
sessionType = getCfg "sessionType";
sessionStarter = getCfg "sessionStarter";
sessionCmd =
if sessionType == "" then sessionStarter else
if sessionType == "xterm" then "${xterm}/bin/xterm -ls" else
if sessionType == "gnome" then "${gnome.gnometerminal}/bin/gnome-terminal -ls" else
abort ("unknown session type "+ sessionType);
windowManager =
let wm = getCfg "windowManager"; in
if wm != "" then wm else
if sessionType == "gnome" then "metacity" else
if sessionType == "kde" then "none" /* started by startkde */ else
"twm";
modules =
optional (videoDriver == "nvidia") nvidiaDrivers ++ #make sure it first loads the nvidia libs
[
xorg.xorgserver
xorg.xf86inputkeyboard
xorg.xf86inputmouse
]
++ optional (videoDriver == "vesa") xorg.xf86videovesa
++ optional (videoDriver == "i810") xorg.xf86videoi810
++ optional (videoDriver == "intel") xorg.xf86videointel;
configFile = stdenv.mkDerivation {
name = "xserver.conf";
src = ./xserver.conf;
inherit fontDirectories videoDriver resolutions;
buildCommand = "
buildCommand= # urgh, don't substitute this
export fontPaths=
for i in $fontDirectories; do
if test \"\${i:0:\${#NIX_STORE}}\" == \"$NIX_STORE\"; then
for j in $(find $i -name fonts.dir); do
fontPaths=\"\${fontPaths}FontPath \\\"$(dirname $j)\\\"\\n\"
done
fi
done
export modulePaths=
for i in $(find ${toString modules} -type d); do
if ls $i/*.so 2> /dev/null; then
modulePaths=\"\${modulePaths}ModulePath \\\"$i\\\"\\n\"
fi
done
#if only my gf were this dirty
if test \"${toString videoDriver}\" == \"nvidia\"; then
export moduleSection=\"Load \\\"glx\\\" \\n \\
SubSection \\\"extmod\\\" \\n \\
Option \\\"omit xfree86-dga\\\" \\n \\
EndSubSection \\n \"
export screen=\"Option \\\"AddARGBGLXVisuals\\\" \\\"true\\\" \\n \\
Option \\\"DisableGLXRootClipping\\\" \\\"true\\\" \\n \"
export device=\"Option \\\"RenderAccel\\\" \\\"true\\\" \\n \\
Option \\\"AllowGLXWithComposite\\\" \\\"true\\\" \\n \\
Option \\\"AddARGBGLXVisuals\\\" \\\"true\\\" \\n \"
export extensions=\"Option \\\"Composite\\\" \\\"Enable\\\" \\n \"
else
export moduleSection='Load \"glx\" \\n \\
Load \"dri\" '
export screen=
export device=
export extensions=
fi
substituteAll $src $out
";
};
clientScript = writeText "xclient" "
source /etc/profile
exec > $HOME/.Xerrors 2>&1
### Load X defaults.
if test -e ~/.Xdefaults; then
${xorg.xrdb}/bin/xrdb -merge ~/.Xdefaults
fi
${if getCfg "startSSHAgent" then "
### Start the SSH agent.
export SSH_ASKPASS=${x11_ssh_askpass}/libexec/x11-ssh-askpass
eval $(${openssh}/bin/ssh-agent)
" else ""}
### Start a window manager.
${if windowManager == "twm" then "
${xorg.twm}/bin/twm &
"
else if windowManager == "metacity" then "
env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/
# !!! Hack: load the schemas for Metacity.
GCONF_CONFIG_SOURCE=xml::~/.gconf ${gnome.GConf}/bin/gconftool-2 \\
--makefile-install-rule ${gnome.metacity}/etc/gconf/schemas/*.schemas
${gnome.metacity}/bin/metacity &
"
else if windowManager == "kwm" then "
${kdebase}/bin/kwin &
"
else if windowManager == "compiz" then "
# !!! Hack: load the schemas for Compiz.
GCONF_CONFIG_SOURCE=xml::~/.gconf ${gnome.GConf}/bin/gconftool-2 \\
--makefile-install-rule ${compiz}/etc/gconf/schemas/*.schemas
# !!! Hack: turn on most Compiz modules.
${gnome.GConf}/bin/gconftool-2 -t list --list-type=string \\
--set /apps/compiz/general/allscreens/options/active_plugins \\
[gconf,png,decoration,wobbly,fade,minimize,move,resize,cube,switcher,rotate,place,scale,water]
# Start Compiz and the GTK-style window decorator.
env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/
${compiz}/bin/compiz gconf &
${compiz}/bin/gtk-window-decorator --sync &
"
#else if windowManager == "beryl" then "
# ${berylmanager}/bin/beryl-manager &
#"
else if windowManager == "none" then "
# The session starter will start the window manager.
"
else abort ("unknown window manager " + windowManager)}
### Show a background image.
# (but not if we're starting a full desktop environment that does it for us)
${if sessionType != "kde" then "
if test -e $HOME/.background-image; then
${feh}/bin/feh --bg-scale $HOME/.background-image
fi
" else ""}
### Start the session.
${if sessionType == "kde" then "
# Start KDE.
export KDEDIRS=${kdebase}:${kdelibs}
export XDG_CONFIG_DIRS=${kdebase}/etc/xdg:${kdelibs}/etc/xdg
export XDG_DATA_DIRS=${kdebase}/share
exec ${kdebase}/bin/startkde
" else "
# For all other session types, we currently just start a
# terminal of the kind indicated by sessionCmd.
# !!! yes, this means that you 'log out' by killing the X server.
while ${sessionCmd}; do
sleep 1
done
"}
"; # */ <- hack to fix syntax highlighting
xserverArgs = [
"-ac"
"-logverbose"
"-verbose"
"-nolisten tcp"
"-terminate"
"-logfile" "/var/log/X.${toString display}.log"
"-config ${configFile}"
":${toString display}" "vt${toString tty}"
"-xkbdir" "${xkeyboard_config}/etc/X11/xkb"
];
# Note: lines must not be indented.
slimConfig = writeText "slim.cfg" "
xauth_path ${xorg.xauth}/bin/xauth
default_xserver ${xorg.xorgserver}/bin/X
xserver_arguments ${toString xserverArgs}
login_cmd exec ${stdenv.bash}/bin/sh ${clientScript}
";
in
rec {
name = "xserver";
extraPath = [
xorg.xrandr
xorg.xrdb
xorg.setxkbmap
feh
]
++ optional (windowManager == "twm") [
xorg.twm
]
++ optional (windowManager == "metacity") [
gnome.metacity
]
++ optional (windowManager == "compiz") [
compiz
]
#++ optional (windowManager == "beryl") [
# berylcore berylmanager berylemerald
#]
++ optional (sessionType == "xterm") [
xterm
]
++ optional (sessionType == "gnome") [
gnome.gnometerminal
gnome.GConf
gnome.gconfeditor
]
++ optional (sessionType == "kde") [
kdelibs
kdebase
xorg.iceauth # absolutely required by dcopserver
xorg.xset # used by startkde, non-essential
];
extraEtc =
optional (sessionType == "kde")
{ source = "${xkeyboard_config}/etc/X11/xkb";
target = "X11/xkb";
};
job = "
start on network-interfaces
start script
rm -f /var/state/opengl-driver
${if videoDriver == "nvidia"
then "ln -sf ${nvidiaDrivers} /var/state/opengl-driver"
else if getCfg "driSupport"
then "ln -sf ${mesa} /var/state/opengl-driver"
else ""
}
end script
env SLIM_CFGFILE=${slimConfig}
env FONTCONFIG_FILE=/etc/fonts/fonts.conf # !!! cleanup
env XKB_BINDIR=${xorg.xkbcomp}/bin # Needed for the Xkb extension.
env LD_LIBRARY_PATH=${libX11}/lib:${libXext}/lib:/usr/lib/ # related to xorg-sys-opengl - needed to load libglx for (AI)GLX support (for compiz)
${if videoDriver == "nvidia"
then "env XORG_DRI_DRIVER_PATH=${nvidiaDrivers}/X11R6/lib/modules/drivers/"
else if getCfg "driSupport"
then "env XORG_DRI_DRIVER_PATH=${mesa}/lib/modules/dri"
else ""
}
exec ${slim}/bin/slim
";
}