681 lines
20 KiB
Nix
681 lines
20 KiB
Nix
{ config, lib, pkgs, pkgs_i686, ... }:
|
||
|
||
with lib;
|
||
|
||
let
|
||
|
||
kernelPackages = config.boot.kernelPackages;
|
||
|
||
# Abbreviations.
|
||
cfg = config.services.xserver;
|
||
xorg = pkgs.xorg;
|
||
|
||
|
||
# Map video driver names to driver packages. FIXME: move into card-specific modules.
|
||
knownVideoDrivers = {
|
||
virtualbox = { modules = [ kernelPackages.virtualboxGuestAdditions ]; driverName = "vboxvideo"; };
|
||
|
||
# modesetting does not have a xf86videomodesetting package as it is included in xorgserver
|
||
modesetting = {};
|
||
};
|
||
|
||
fontsForXServer =
|
||
config.fonts.fonts ++
|
||
# 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
|
||
];
|
||
|
||
|
||
# Just enumerate all heads without discarding XRandR output information.
|
||
xrandrHeads = let
|
||
mkHead = num: output: {
|
||
name = "multihead${toString num}";
|
||
inherit output;
|
||
};
|
||
in imap mkHead cfg.xrandrHeads;
|
||
|
||
xrandrDeviceSection = let
|
||
monitors = flip map xrandrHeads (h: ''
|
||
Option "monitor-${h.output}" "${h.name}"
|
||
'');
|
||
# First option is indented through the space in the config but any
|
||
# subsequent options aren't so we need to apply indentation to
|
||
# them here
|
||
monitorsIndented = if length monitors > 1
|
||
then singleton (head monitors) ++ map (m: " " + m) (tail monitors)
|
||
else monitors;
|
||
in concatStrings monitorsIndented;
|
||
|
||
# Here we chain every monitor from the left to right, so we have:
|
||
# m4 right of m3 right of m2 right of m1 .----.----.----.----.
|
||
# Which will end up in reverse ----------> | m1 | m2 | m3 | m4 |
|
||
# `----^----^----^----'
|
||
xrandrMonitorSections = let
|
||
mkMonitor = previous: current: singleton {
|
||
inherit (current) name;
|
||
value = ''
|
||
Section "Monitor"
|
||
Identifier "${current.name}"
|
||
${optionalString (previous != []) ''
|
||
Option "RightOf" "${(head previous).name}"
|
||
''}
|
||
EndSection
|
||
'';
|
||
} ++ previous;
|
||
monitors = reverseList (foldl mkMonitor [] xrandrHeads);
|
||
in concatMapStrings (getAttr "value") monitors;
|
||
|
||
configFile = pkgs.runCommand "xserver.conf"
|
||
{ xfs = optionalString (cfg.useXFS != false)
|
||
''FontPath "${toString cfg.useXFS}"'';
|
||
inherit (cfg) config;
|
||
}
|
||
''
|
||
echo 'Section "Files"' >> $out
|
||
echo $xfs >> $out
|
||
|
||
for i in ${toString fontsForXServer}; do
|
||
if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
|
||
for j in $(find $i -name fonts.dir); do
|
||
echo " FontPath \"$(dirname $j)\"" >> $out
|
||
done
|
||
fi
|
||
done
|
||
|
||
for i in $(find ${toString cfg.modules} -type d); do
|
||
if test $(echo $i/*.so* | wc -w) -ne 0; then
|
||
echo " ModulePath \"$i\"" >> $out
|
||
fi
|
||
done
|
||
|
||
echo 'EndSection' >> $out
|
||
|
||
echo "$config" >> $out
|
||
''; # */
|
||
|
||
in
|
||
|
||
{
|
||
|
||
imports =
|
||
[ ./display-managers/default.nix
|
||
./window-managers/default.nix
|
||
./desktop-managers/default.nix
|
||
];
|
||
|
||
|
||
###### interface
|
||
|
||
options = {
|
||
|
||
services.xserver = {
|
||
|
||
enable = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to enable the X server.
|
||
'';
|
||
};
|
||
|
||
autorun = mkOption {
|
||
type = types.bool;
|
||
default = true;
|
||
description = ''
|
||
Whether to start the X server automatically.
|
||
'';
|
||
};
|
||
|
||
exportConfiguration = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to symlink the X server configuration under
|
||
<filename>/etc/X11/xorg.conf</filename>.
|
||
'';
|
||
};
|
||
|
||
enableTCP = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to allow the X server to accept TCP connections.
|
||
'';
|
||
};
|
||
|
||
autoRepeatDelay = mkOption {
|
||
type = types.nullOr types.int;
|
||
default = null;
|
||
description = ''
|
||
Sets the autorepeat delay (length of time in milliseconds that a key must be depressed before autorepeat starts).
|
||
'';
|
||
};
|
||
|
||
autoRepeatInterval = mkOption {
|
||
type = types.nullOr types.int;
|
||
default = null;
|
||
description = ''
|
||
Sets the autorepeat interval (length of time in milliseconds that should elapse between autorepeat-generated keystrokes).
|
||
'';
|
||
};
|
||
|
||
inputClassSections = mkOption {
|
||
type = types.listOf types.lines;
|
||
default = [];
|
||
example = literalExample ''
|
||
[ '''
|
||
Identifier "Trackpoint Wheel Emulation"
|
||
MatchProduct "ThinkPad USB Keyboard with TrackPoint"
|
||
Option "EmulateWheel" "true"
|
||
Option "EmulateWheelButton" "2"
|
||
Option "Emulate3Buttons" "false"
|
||
'''
|
||
]
|
||
'';
|
||
description = "Content of additional InputClass sections of the X server configuration file.";
|
||
};
|
||
|
||
modules = mkOption {
|
||
type = types.listOf types.path;
|
||
default = [];
|
||
example = literalExample "[ pkgs.xf86_input_wacom ]";
|
||
description = "Packages to be added to the module search path of the X server.";
|
||
};
|
||
|
||
resolutions = mkOption {
|
||
type = types.listOf types.attrs;
|
||
default = [];
|
||
example = [ { x = 1600; y = 1200; } { x = 1024; y = 786; } ];
|
||
description = ''
|
||
The screen resolutions for the X server. The first element
|
||
is the default resolution. If this list is empty, the X
|
||
server will automatically configure the resolution.
|
||
'';
|
||
};
|
||
|
||
videoDrivers = mkOption {
|
||
type = types.listOf types.str;
|
||
# !!! We'd like "nv" here, but it segfaults the X server.
|
||
default = [ "ati" "cirrus" "intel" "vesa" "vmware" "modesetting" ];
|
||
example = [ "vesa" ];
|
||
description = ''
|
||
The names of the video drivers the configuration
|
||
supports. They will be tried in order until one that
|
||
supports your card is found.
|
||
'';
|
||
};
|
||
|
||
videoDriver = mkOption {
|
||
type = types.nullOr types.str;
|
||
default = null;
|
||
example = "i810";
|
||
description = ''
|
||
The name of the video driver for your graphics card. This
|
||
option is obsolete; please set the
|
||
<option>services.xserver.videoDrivers</option> instead.
|
||
'';
|
||
};
|
||
|
||
drivers = mkOption {
|
||
type = types.listOf types.attrs;
|
||
internal = true;
|
||
description = ''
|
||
A list of attribute sets specifying drivers to be loaded by
|
||
the X11 server.
|
||
'';
|
||
};
|
||
|
||
dpi = mkOption {
|
||
type = types.nullOr types.int;
|
||
default = null;
|
||
description = "DPI resolution to use for X server.";
|
||
};
|
||
|
||
startDbusSession = mkOption {
|
||
type = types.bool;
|
||
default = true;
|
||
description = ''
|
||
Whether to start a new DBus session when you log in with dbus-launch.
|
||
'';
|
||
};
|
||
|
||
updateDbusEnvironment = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to update the DBus activation environment after launching the
|
||
desktop manager.
|
||
'';
|
||
};
|
||
|
||
layout = mkOption {
|
||
type = types.str;
|
||
default = "us";
|
||
description = ''
|
||
Keyboard layout.
|
||
'';
|
||
};
|
||
|
||
xkbModel = mkOption {
|
||
type = types.str;
|
||
default = "pc104";
|
||
example = "presario";
|
||
description = ''
|
||
Keyboard model.
|
||
'';
|
||
};
|
||
|
||
xkbOptions = mkOption {
|
||
type = types.str;
|
||
default = "terminate:ctrl_alt_bksp";
|
||
example = "grp:caps_toggle, grp_led:scroll";
|
||
description = ''
|
||
X keyboard options; layout switching goes here.
|
||
'';
|
||
};
|
||
|
||
xkbVariant = mkOption {
|
||
type = types.str;
|
||
default = "";
|
||
example = "colemak";
|
||
description = ''
|
||
X keyboard variant.
|
||
'';
|
||
};
|
||
|
||
xkbDir = mkOption {
|
||
type = types.path;
|
||
description = ''
|
||
Path used for -xkbdir xserver parameter.
|
||
'';
|
||
};
|
||
|
||
config = mkOption {
|
||
type = types.lines;
|
||
description = ''
|
||
The contents of the configuration file of the X server
|
||
(<filename>xorg.conf</filename>).
|
||
'';
|
||
};
|
||
|
||
deviceSection = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = "VideoRAM 131072";
|
||
description = "Contents of the first Device section of the X server configuration file.";
|
||
};
|
||
|
||
screenSection = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = ''
|
||
Option "RandRRotation" "on"
|
||
'';
|
||
description = "Contents of the first Screen section of the X server configuration file.";
|
||
};
|
||
|
||
monitorSection = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = "HorizSync 28-49";
|
||
description = "Contents of the first Monitor section of the X server configuration file.";
|
||
};
|
||
|
||
xrandrHeads = mkOption {
|
||
default = [];
|
||
example = [ "HDMI-0" "DVI-0" ];
|
||
type = with types; listOf string;
|
||
description = ''
|
||
Simple multiple monitor configuration, just specify a list of XRandR
|
||
outputs which will be mapped from left to right in the order of the
|
||
list.
|
||
|
||
Be careful using this option with multiple graphic adapters or with
|
||
drivers that have poor support for XRandR, unexpected things might
|
||
happen with those.
|
||
'';
|
||
};
|
||
|
||
serverFlagsSection = mkOption {
|
||
default = "";
|
||
example =
|
||
''
|
||
Option "BlankTime" "0"
|
||
Option "StandbyTime" "0"
|
||
Option "SuspendTime" "0"
|
||
Option "OffTime" "0"
|
||
'';
|
||
description = "Contents of the ServerFlags section of the X server configuration file.";
|
||
};
|
||
|
||
moduleSection = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example =
|
||
''
|
||
SubSection "extmod"
|
||
EndSubsection
|
||
'';
|
||
description = "Contents of the Module section of the X server configuration file.";
|
||
};
|
||
|
||
serverLayoutSection = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example =
|
||
''
|
||
Option "AIGLX" "true"
|
||
'';
|
||
description = "Contents of the ServerLayout section of the X server configuration file.";
|
||
};
|
||
|
||
extraDisplaySettings = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
example = "Virtual 2048 2048";
|
||
description = "Lines to be added to every Display subsection of the Screen section.";
|
||
};
|
||
|
||
defaultDepth = mkOption {
|
||
type = types.int;
|
||
default = 0;
|
||
example = 8;
|
||
description = "Default colour depth.";
|
||
};
|
||
|
||
useXFS = mkOption {
|
||
# FIXME: what's the type of this option?
|
||
default = false;
|
||
example = "unix/:7100";
|
||
description = "Determines how to connect to the X Font Server.";
|
||
};
|
||
|
||
tty = mkOption {
|
||
type = types.nullOr types.int;
|
||
default = 7;
|
||
description = "Virtual console for the X server.";
|
||
};
|
||
|
||
display = mkOption {
|
||
type = types.nullOr types.int;
|
||
default = 0;
|
||
description = "Display number for the X server.";
|
||
};
|
||
|
||
virtualScreen = mkOption {
|
||
type = types.nullOr types.attrs;
|
||
default = null;
|
||
example = { x = 2048; y = 2048; };
|
||
description = ''
|
||
Virtual screen size for Xrandr.
|
||
'';
|
||
};
|
||
|
||
useGlamor = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to use the Glamor module for 2D acceleration,
|
||
if possible.
|
||
'';
|
||
};
|
||
|
||
enableCtrlAltBackspace = mkOption {
|
||
type = types.bool;
|
||
default = false;
|
||
description = ''
|
||
Whether to enable the DontZap option, which binds Ctrl+Alt+Backspace
|
||
to forcefully kill X. This can lead to data loss and is disabled
|
||
by default.
|
||
'';
|
||
};
|
||
};
|
||
|
||
};
|
||
|
||
|
||
|
||
###### implementation
|
||
|
||
config = mkIf cfg.enable {
|
||
|
||
hardware.opengl.enable = mkDefault true;
|
||
|
||
services.xserver.videoDrivers = mkIf (cfg.videoDriver != null) [ cfg.videoDriver ];
|
||
|
||
# FIXME: somehow check for unknown driver names.
|
||
services.xserver.drivers = flip concatMap cfg.videoDrivers (name:
|
||
let driver =
|
||
attrByPath [name]
|
||
(if xorg ? ${"xf86video" + name}
|
||
then { modules = [xorg.${"xf86video" + name}]; }
|
||
else null)
|
||
knownVideoDrivers;
|
||
in optional (driver != null) ({ inherit name; modules = []; driverName = name; } // driver));
|
||
|
||
nixpkgs.config.xorg = optionalAttrs (elem "vboxvideo" cfg.videoDrivers) { abiCompat = "1.18"; };
|
||
|
||
assertions =
|
||
[ { assertion = config.security.polkit.enable;
|
||
message = "X11 requires Polkit to be enabled (‘security.polkit.enable = true’).";
|
||
}
|
||
];
|
||
|
||
environment.etc =
|
||
(optionals cfg.exportConfiguration
|
||
[ { source = "${configFile}";
|
||
target = "X11/xorg.conf";
|
||
}
|
||
# -xkbdir command line option does not seems to be passed to xkbcomp.
|
||
{ source = "${cfg.xkbDir}";
|
||
target = "X11/xkb";
|
||
}
|
||
])
|
||
# Needed since 1.18; see https://bugs.freedesktop.org/show_bug.cgi?id=89023#c5
|
||
++ (let cfgPath = "/X11/xorg.conf.d/10-evdev.conf"; in
|
||
[{
|
||
source = xorg.xf86inputevdev.out + "/share" + cfgPath;
|
||
target = cfgPath;
|
||
}]
|
||
);
|
||
|
||
environment.systemPackages =
|
||
[ xorg.xorgserver.out
|
||
xorg.xrandr
|
||
xorg.xrdb
|
||
xorg.setxkbmap
|
||
xorg.iceauth # required for KDE applications (it's called by dcopserver)
|
||
xorg.xlsclients
|
||
xorg.xset
|
||
xorg.xsetroot
|
||
xorg.xinput
|
||
xorg.xprop
|
||
xorg.xauth
|
||
pkgs.xterm
|
||
pkgs.xdg_utils
|
||
xorg.xf86inputevdev.out # get evdev.4 man page
|
||
]
|
||
++ optional (elem "virtualbox" cfg.videoDrivers) xorg.xrefresh;
|
||
|
||
environment.pathsToLink =
|
||
[ "/etc/xdg" "/share/xdg" "/share/applications" "/share/icons" "/share/pixmaps" ];
|
||
|
||
# The default max inotify watches is 8192.
|
||
# Nowadays most apps require a good number of inotify watches,
|
||
# the value below is used by default on several other distros.
|
||
boot.kernel.sysctl."fs.inotify.max_user_watches" = mkDefault 524288;
|
||
|
||
systemd.defaultUnit = mkIf cfg.autorun "graphical.target";
|
||
|
||
systemd.services.display-manager =
|
||
{ description = "X11 Server";
|
||
|
||
after = [ "systemd-udev-settle.service" "local-fs.target" "acpid.service" "systemd-logind.service" ];
|
||
wants = [ "systemd-udev-settle.service" ];
|
||
|
||
restartIfChanged = false;
|
||
|
||
environment =
|
||
{
|
||
XORG_DRI_DRIVER_PATH = "/run/opengl-driver/lib/dri"; # !!! Depends on the driver selected at runtime.
|
||
LD_LIBRARY_PATH = concatStringsSep ":" (
|
||
[ "${xorg.libX11.out}/lib" "${xorg.libXext.out}/lib" "/run/opengl-driver/lib" ]
|
||
++ concatLists (catAttrs "libPath" cfg.drivers));
|
||
} // cfg.displayManager.job.environment;
|
||
|
||
preStart =
|
||
''
|
||
${cfg.displayManager.job.preStart}
|
||
|
||
rm -f /tmp/.X0-lock
|
||
'';
|
||
|
||
script = "${cfg.displayManager.job.execCmd}";
|
||
|
||
serviceConfig = {
|
||
Restart = "always";
|
||
RestartSec = "200ms";
|
||
SyslogIdentifier = "display-manager";
|
||
# Stop restarting if the display manager stops (crashes) 2 times
|
||
# in one minute. Starting X typically takes 3-4s.
|
||
StartLimitInterval = "30s";
|
||
StartLimitBurst = "3";
|
||
};
|
||
};
|
||
|
||
services.xserver.displayManager.xserverArgs =
|
||
[ "-terminate"
|
||
"-config ${configFile}"
|
||
"-xkbdir" "${cfg.xkbDir}"
|
||
# Log at the default verbosity level to stderr rather than /var/log/X.*.log.
|
||
"-verbose" "3" "-logfile" "/dev/null"
|
||
] ++ optional (cfg.display != null) ":${toString cfg.display}"
|
||
++ optional (cfg.tty != null) "vt${toString cfg.tty}"
|
||
++ optional (cfg.dpi != null) "-dpi ${toString cfg.dpi}"
|
||
++ optional (!cfg.enableTCP) "-nolisten tcp"
|
||
++ optional (cfg.autoRepeatDelay != null) "-ardelay ${toString cfg.autoRepeatDelay}"
|
||
++ optional (cfg.autoRepeatInterval != null) "-arinterval ${toString cfg.autoRepeatInterval}";
|
||
|
||
services.xserver.modules =
|
||
concatLists (catAttrs "modules" cfg.drivers) ++
|
||
[ xorg.xorgserver.out
|
||
xorg.xf86inputevdev.out
|
||
];
|
||
|
||
services.xserver.xkbDir = mkDefault "${pkgs.xkeyboard_config}/etc/X11/xkb";
|
||
|
||
services.xserver.config =
|
||
''
|
||
Section "ServerFlags"
|
||
Option "AllowMouseOpenFail" "on"
|
||
Option "DontZap" "${if cfg.enableCtrlAltBackspace then "off" else "on"}"
|
||
${cfg.serverFlagsSection}
|
||
EndSection
|
||
|
||
Section "Module"
|
||
${cfg.moduleSection}
|
||
EndSection
|
||
|
||
Section "Monitor"
|
||
Identifier "Monitor[0]"
|
||
${cfg.monitorSection}
|
||
EndSection
|
||
|
||
Section "InputClass"
|
||
Identifier "Keyboard catchall"
|
||
MatchIsKeyboard "on"
|
||
Option "XkbRules" "base"
|
||
Option "XkbModel" "${cfg.xkbModel}"
|
||
Option "XkbLayout" "${cfg.layout}"
|
||
Option "XkbOptions" "${cfg.xkbOptions}"
|
||
Option "XkbVariant" "${cfg.xkbVariant}"
|
||
EndSection
|
||
|
||
# Additional "InputClass" sections
|
||
${flip concatMapStrings cfg.inputClassSections (inputClassSection: ''
|
||
Section "InputClass"
|
||
${inputClassSection}
|
||
EndSection
|
||
'')}
|
||
|
||
|
||
Section "ServerLayout"
|
||
Identifier "Layout[all]"
|
||
${cfg.serverLayoutSection}
|
||
# Reference the Screen sections for each driver. This will
|
||
# cause the X server to try each in turn.
|
||
${flip concatMapStrings cfg.drivers (d: ''
|
||
Screen "Screen-${d.name}[0]"
|
||
'')}
|
||
EndSection
|
||
|
||
${if cfg.useGlamor then ''
|
||
Section "Module"
|
||
Load "dri2"
|
||
Load "glamoregl"
|
||
EndSection
|
||
'' else ""}
|
||
|
||
# For each supported driver, add a "Device" and "Screen"
|
||
# section.
|
||
${flip concatMapStrings cfg.drivers (driver: ''
|
||
|
||
Section "Device"
|
||
Identifier "Device-${driver.name}[0]"
|
||
Driver "${driver.driverName or driver.name}"
|
||
${if cfg.useGlamor then ''Option "AccelMethod" "glamor"'' else ""}
|
||
${cfg.deviceSection}
|
||
${xrandrDeviceSection}
|
||
EndSection
|
||
|
||
Section "Screen"
|
||
Identifier "Screen-${driver.name}[0]"
|
||
Device "Device-${driver.name}[0]"
|
||
${optionalString (cfg.monitorSection != "") ''
|
||
Monitor "Monitor[0]"
|
||
''}
|
||
|
||
${cfg.screenSection}
|
||
|
||
${optionalString (cfg.defaultDepth != 0) ''
|
||
DefaultDepth ${toString cfg.defaultDepth}
|
||
''}
|
||
|
||
${optionalString
|
||
(driver.name != "virtualbox" &&
|
||
(cfg.resolutions != [] ||
|
||
cfg.extraDisplaySettings != "" ||
|
||
cfg.virtualScreen != null))
|
||
(let
|
||
f = depth:
|
||
''
|
||
SubSection "Display"
|
||
Depth ${toString depth}
|
||
${optionalString (cfg.resolutions != [])
|
||
"Modes ${concatMapStrings (res: ''"${toString res.x}x${toString res.y}"'') cfg.resolutions}"}
|
||
${cfg.extraDisplaySettings}
|
||
${optionalString (cfg.virtualScreen != null)
|
||
"Virtual ${toString cfg.virtualScreen.x} ${toString cfg.virtualScreen.y}"}
|
||
EndSubSection
|
||
'';
|
||
in concatMapStrings f [8 16 24]
|
||
)}
|
||
|
||
EndSection
|
||
'')}
|
||
|
||
${xrandrMonitorSections}
|
||
'';
|
||
|
||
fonts.enableDefaultFonts = mkDefault true;
|
||
|
||
};
|
||
|
||
}
|