nixpkgs/upstart-jobs/xserver.nix

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{ config, pkgs, kernelPackages
, # List of font directories.
fontDirectories
}:
let
inherit (pkgs.lib) optional isInList getAttr;
# Abbreviations.
cfg = config.services.xserver;
xorg = cfg.package;
gnome = pkgs.gnome;
stdenv = pkgs.stdenv;
knownVideoDrivers = {
nvidia = { modulesFirst = [ kernelPackages.nvidia_x11 ]; }; #make sure it first loads the nvidia libs
vesa = { modules = [xorg.xf86videovesa]; };
vga = { modules = [xorg.xf86videovga]; };
sis = { modules = [xorg.xf86videosis]; };
i810 = { modules = [xorg.xf86videoi810]; };
intel = { modules = [xorg.xf86videointel]; };
nv = { modules = [xorg.xf86videonv]; };
ati = { modules = [xorg.xf86videoati]; };
via = { modules = [xorg.xf86videovia]; };
cirrus = { modules = [xorg.xf86videocirrus]; };
};
# Get a bunch of user settings.
videoDriver = cfg.videoDriver;
resolutions = map (res: ''"${toString res.x}x${toString res.y}"'') (cfg.resolutions);
sessionType = cfg.sessionType;
videoDriverModules = getAttr [ videoDriver ] (throw "unkown video driver : \"${videoDriver}\"") knownVideoDrivers;
sessionCmd =
if sessionType == "" then cfg.sessionStarter else
if sessionType == "xterm" then "${pkgs.xterm}/bin/xterm -ls" else
if sessionType == "gnome" then "${gnome.gnometerminal}/bin/gnome-terminal -ls" else
abort ("unknown session type ${sessionType}");
windowManager =
let wm = cfg.windowManager; in
if wm != "" then wm else
if sessionType == "gnome" then "metacity" else
if sessionType == "kde" then "none" /* started by startkde */ else
if sessionType == "kde4" then "none" /* started by startkde */ else
"twm";
modules =
getAttr ["modulesFirst"] [] videoDriverModules
++ [
xorg.xorgserver
xorg.xf86inputkeyboard
xorg.xf86inputmouse
]
++ getAttr ["modules"] [] videoDriverModules
++ (optional cfg.synaptics.enable ["${pkgs.synaptics}/${xorg.xorgserver}" /*xorg.xf86inputevdev*/]);
fontsForXServer =
fontDirectories ++
# We don't want these fonts in fonts.conf, because then modern,
# fontconfig-based applications will get horrible bitmapped
# Helvetica fonts. It's better to get a substitution (like Nimbus
# Sans) than that horror. But we do need the Adobe fonts for some
# old non-fontconfig applications. (Possibly this could be done
# better using a fontconfig rule.)
[ pkgs.xorg.fontadobe100dpi
pkgs.xorg.fontadobe75dpi
];
configFile = stdenv.mkDerivation {
name = "xserver.conf";
src = ./xserver.conf;
inherit fontsForXServer videoDriver resolutions;
isClone = if cfg.isClone then "on" else "off";
synapticsInputDevice = if cfg.synaptics.enable then ''
Section "InputDevice"
Identifier "Touchpad[0]"
Driver "synaptics"
Option "Device" "${cfg.synaptics.dev}"
Option "Protocol" "PS/2"
Option "LeftEdge" "1700"
Option "RightEdge" "5300"
Option "TopEdge" "1700"
Option "BottomEdge" "4200"
Option "FingerLow" "25"
Option "FingerHigh" "30"
Option "MaxTapTime" "180"
Option "MaxTapMove" "220"
Option "VertScrollDelta" "100"
Option "MinSpeed" "${cfg.synaptics.minSpeed}"
Option "MaxSpeed" "${cfg.synaptics.maxSpeed}"
Option "AccelFactor" "0.0010"
Option "SHMConfig" "on"
Option "Repeater" "/dev/input/mice"
Option "TapButton1" "1"
Option "TapButton2" "2"
Option "TapButton3" "3"
Option "VertTwoFingerScroll" "${if cfg.synaptics.twoFingerScroll then "1" else "0"}"
Option "HorizTwoFingerScroll" "${if cfg.synaptics.twoFingerScroll then "1" else "0"}"
EndSection
'' else "";
xkbOptions = if cfg.xkbOptions == "" then "" else ''
Option "XkbOptions" "${cfg.xkbOptions}"
'';
xkbModel = cfg.xkbModel;
layout = cfg.layout;
corePointer = if cfg.synaptics.enable then "Touchpad[0]" else "Mouse[0]";
internalAGPGART =
if cfg.useInternalAGPGART == "yes" then
'' Option "UseInternalAGPGART" "yes"''
else if cfg.useInternalAGPGART == "no" then
'' Option "UseInternalAGPGART" "no"''
else "";
extraDeviceConfig = cfg.extraDeviceConfig;
extraMonitorSettings = cfg.extraMonitorSettings;
extraDisplaySettings = cfg.extraDisplaySettings;
extraModules = cfg.extraModules;
serverLayoutOptions = cfg.serverLayoutOptions;
defaultDepth = cfg.defaultDepth;
virtualScreen = if cfg.virtualScreen != null then
"Virtual ${toString cfg.virtualScreen.x} ${toString cfg.virtualScreen.y}"
else "";
xfs = if cfg.useXFS == false then "" else
''FontPath "${toString cfg.useXFS}"'';
buildCommand = ''
buildCommand= # urgh, don't substitute this
export fontPaths=
for i in $fontsForXServer; do
if test "''${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 $i/*.so* > /dev/null 2>&1; then
modulePaths="''${modulePaths}ModulePath \"$i\"''\n"
fi
done
export moduleSection=""
export screen=""
export device=""
export extensions=""
#if only my gf were this dirty
if test "${toString videoDriver}" == "nvidia"; then
export screen='
Option "AddARGBGLXVisuals" "true"
Option "DisableGLXRootClipping" "true"
Option "RandRRotation" "on"
'
export device='
Option "RenderAccel" "true"
Option "AllowGLXWithComposite" "true"
Option "AddARGBGLXVisuals" "true"
'
export extensions='
Option "Composite" "Enable"
'
fi
if [ "${toString videoDriver}" = i810 ]; then
export extensions='
Option "Composite" "Enable"
';
fi;
if [ "${toString videoDriver}" = ati ]; then
export extensions='
Option "Composite" "Enable"
';
fi;
if [ "${toString videoDriver}" = radeonhd ]; then
export extensions='
Option "Composite" "Enable"
';
fi;
substituteAll $src $out
''; # */
};
clientScript = pkgs.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
${if cfg.startSSHAgent then ''
### Start the SSH agent.
export SSH_ASKPASS=${pkgs.x11_ssh_askpass}/libexec/x11-ssh-askpass
eval $(${pkgs.openssh}/bin/ssh-agent)
'' else ""}
### Allow user to override system-wide configuration
if test -f ~/.xsession; then
source ~/.xsession;
fi
### Start a window manager.
${if windowManager == "twm" then ''
${xorg.twm}/bin/twm &
''
else if windowManager == "metacity" then ''
env LD_LIBRARY_PATH=${xorg.libX11}/lib:${xorg.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 ''
${pkgs.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 ${pkgs.compiz}/etc/gconf/schemas/*.schemas
# !!! Hack: turn on most Compiz modules.
${gnome.GConf}/bin/gconftool-2 -t list --list-type=string \
--set /apps/compiz/general/allscreens/options/active_plugins \
[gconf,png,decoration,wobbly,fade,minimize,move,resize,cube,switcher,rotate,place,scale,water]
# Start Compiz and the GTK-style window decorator.
env LD_LIBRARY_PATH=${xorg.libX11}/lib:${xorg.libXext}/lib:/usr/lib/
${pkgs.compiz}/bin/compiz gconf ${cfg.renderingFlag} &
${pkgs.compiz}/bin/gtk-window-decorator --sync &
''
else if windowManager == "xmonad" then ''
${pkgs.xmonad}/bin/xmonad &
''
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" && sessionType != "kde4" then ''
if test -e $HOME/.background-image; then
${pkgs.feh}/bin/feh --bg-scale $HOME/.background-image
fi
'' else ""}
### Start the session.
${if sessionType == "kde" then ''
# Start KDE.
export KDEDIRS=$HOME/.nix-profile:/nix/var/nix/profiles/default:${pkgs.kdebase}:${pkgs.kdelibs}
export XDG_CONFIG_DIRS=${pkgs.kdebase}/etc/xdg:${pkgs.kdelibs}/etc/xdg
export XDG_DATA_DIRS=${pkgs.kdebase}/share
exec ${pkgs.kdebase}/bin/startkde
'' else if sessionType == "kde4" then ''
# Start KDE.
exec ${pkgs.kde42.kdebase_workspace}/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 ${sessionCmd}; do
sleep 1
done
''}
''; # */
xserverArgs = [
"-ac"
"-logverbose"
"-verbose"
"-terminate"
"-logfile" "/var/log/X.${toString cfg.display}.log"
"-config ${configFile}"
":${toString cfg.display}" "vt${toString cfg.tty}"
"-xkbdir" "${pkgs.xkeyboard_config}/etc/X11/xkb"
] ++ optional (!config.services.xserver.tcpEnable) "-nolisten tcp";
slimConfig = pkgs.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}
halt_cmd ${pkgs.upstart}/sbin/shutdown -h now
reboot_cmd ${pkgs.upstart}/sbin/shutdown -r now
${if cfg.slim.defaultUser != "" then "default_user " + cfg.slim.defaultUser else ""}
${if cfg.slim.hideCursor then "hidecursor true" else ""}
'';
# Unpack the SLiM theme, or use the default.
slimThemesDir =
let
unpackedTheme = stdenv.mkDerivation {
name = "slim-theme";
buildCommand = ''
ensureDir $out
cd $out
unpackFile ${cfg.slim.theme}
ln -s * default
'';
};
in if cfg.slim.theme == null then "${pkgs.slim}/share/slim/themes" else unpackedTheme;
in
rec {
name = "xserver";
extraPath = [
xorg.xrandr
xorg.xrdb
xorg.setxkbmap
xorg.iceauth # required for KDE applications (it's called by dcopserver)
pkgs.feh
]
++ optional (windowManager == "twm") [
xorg.twm
]
++ optional (windowManager == "metacity") [
gnome.metacity
]
++ optional (windowManager == "compiz") [
pkgs.compiz
]
++ optional (sessionType == "xterm") [
pkgs.xterm
]
++ optional (sessionType == "gnome") [
gnome.gnometerminal
gnome.GConf
gnome.gconfeditor
]
++ optional (sessionType == "kde") [
pkgs.kdelibs
pkgs.kdebase
xorg.xset # used by startkde, non-essential
]
++ optional (sessionType == "kde4") [
xorg.xmessage # so that startkde can show error messages
pkgs.qt4 # needed for qdbus
pkgs.kde42.kdelibs
pkgs.kde42.kdebase
pkgs.kde42.kdebase_runtime
pkgs.kde42.kdebase_workspace
pkgs.kde42.kdegames
pkgs.shared_mime_info
xorg.xset # used by startkde, non-essential
]
++ optional (videoDriver == "nvidia") [
kernelPackages.nvidia_x11
];
extraEtc =
optional (sessionType == "kde" || sessionType == "kde4")
{ source = "${pkgs.xkeyboard_config}/etc/X11/xkb";
target = "X11/xkb";
}
++
optional cfg.exportConfiguration
{ source = "${configFile}";
target = "X11/xorg.conf";
};
job = ''
start on ${if cfg.autorun then "network-interfaces" else "never"}
start script
rm -f /var/run/opengl-driver
${if videoDriver == "nvidia"
then ''
ln -sf ${kernelPackages.nvidia_x11} /var/run/opengl-driver
''
else if cfg.driSupport
then "ln -sf ${pkgs.mesa} /var/run/opengl-driver"
else ""
}
rm -f /var/log/slim.log
rm -f /tmp/.X0-lock
end script
env SLIM_CFGFILE=${slimConfig}
env SLIM_THEMESDIR=${slimThemesDir}
env FONTCONFIG_FILE=/etc/fonts/fonts.conf # !!! cleanup
env XKB_BINDIR=${xorg.xkbcomp}/bin # Needed for the Xkb extension.
${if videoDriver == "nvidia"
then "env LD_LIBRARY_PATH=${xorg.libX11}/lib:${xorg.libXext}/lib:${kernelPackages.nvidia_x11}/lib"
else ""
}
${if videoDriver != "nvidia"
then "env XORG_DRI_DRIVER_PATH=${pkgs.mesa}/lib/modules/dri"
else ""
}
exec ${pkgs.slim}/bin/slim
'';
}