572 lines
16 KiB
Nix
572 lines
16 KiB
Nix
{config, pkgs, ...}:
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# TODO: this file need some make-up (Nicolas Pierron)
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let
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kernelPackages = config.boot.kernelPackages;
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# List of font directories.
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fontDirectories = config.fonts.fonts;
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inherit (pkgs.lib) mkOption;
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options = {
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services = {
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xserver = {
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enable = mkOption {
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default = false;
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description = "
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Whether to enable the X server.
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";
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};
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autorun = mkOption {
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default = true;
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description = "
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Switch to false to create upstart-job and configuration,
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but not run it automatically
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";
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};
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exportConfiguration = mkOption {
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default = false;
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description = "
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Create /etc/X11/xorg.conf and a file with environment
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variables
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";
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};
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tcpEnable = mkOption {
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default = false;
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description = "
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Whether to enable TCP socket for the X server.
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";
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};
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resolutions = mkOption {
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default = [{x = 1024; y = 768;} {x = 800; y = 600;} {x = 640; y = 480;}];
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description = "
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The screen resolutions for the X server. The first element is the default resolution.
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";
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};
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videoDriver = mkOption {
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default = "vesa";
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example = "i810";
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description = "
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The name of the video driver for your graphics card.
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";
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};
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driSupport = mkOption {
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default = false;
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description = "
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Whether to enable accelerated OpenGL rendering through the
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Direct Rendering Interface (DRI).
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";
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};
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/*
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sessionType = mkOption {
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default = "gnome";
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example = "xterm";
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description = "
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The kind of session to start after login. Current possibilies
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are <literal>kde</literal> (which starts KDE),
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<literal>gnome</literal> (which starts
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<command>gnome-terminal</command>) and <literal>xterm</literal>
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(which starts <command>xterm</command>).
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";
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};
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windowManager = mkOption {
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default = "";
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description = "
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This option selects the window manager. Available values are
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<literal>twm</literal> (extremely primitive),
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<literal>metacity</literal>, <literal>xmonad</literal>
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and <literal>compiz</literal>. If
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left empty, the <option>sessionType</option> determines the
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window manager, e.g., Metacity for Gnome, and
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<command>kwm</command> for KDE.
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";
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};
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sessionStarter = mkOption {
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example = "${pkgs.xterm}/bin/xterm -ls";
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description = "
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The command executed after login and after the window manager
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has been started. Used if
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<option>services.xserver.sessionType</option> is empty.
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";
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};
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*/
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startSSHAgent = mkOption {
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default = true;
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description = "
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Whether to start the SSH agent when you log in. The SSH agent
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remembers private keys for you so that you don't have to type in
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passphrases every time you make an SSH connection. Use
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<command>ssh-add</command> to add a key to the agent.
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";
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};
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isClone = mkOption {
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default = true;
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example = false;
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description = "
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Whether to enable the X server clone mode for dual-head.
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";
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};
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synaptics = {
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enable = mkOption {
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default = false;
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example = true;
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description = "
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Whether to replace mouse with touchpad.
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";
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};
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dev = mkOption {
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default = "/dev/input/event0";
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description = "
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Event device for Synaptics touchpad.
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";
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};
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minSpeed = mkOption {
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default = "0.06";
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description = "Cursor speed factor for precision finger motion";
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};
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maxSpeed = mkOption {
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default = "0.12";
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description = "Cursor speed factor for highest-speed finger motion";
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};
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twoFingerScroll = mkOption {
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default = false;
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description = "Whether to enable two-finger drag-scrolling";
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};
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};
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layout = mkOption {
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default = "us";
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description = "
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Keyboard layout.
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";
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};
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xkbModel = mkOption {
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default = "pc104";
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example = "presario";
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description = "
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Keyboard model.
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";
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};
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xkbOptions = mkOption {
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default = "";
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example = "grp:caps_toggle, grp_led:scroll";
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description = "
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X keyboard options; layout switching goes here.
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";
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};
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useInternalAGPGART = mkOption {
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default = "";
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example = "no";
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description = "
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Just the wrapper for an xorg.conf option.
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";
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};
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extraDeviceConfig = mkOption {
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default = "";
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example = "VideoRAM 131072";
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description = "
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Just anything to add into Device section.
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";
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};
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extraMonitorSettings = mkOption {
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default = "";
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example = "HorizSync 28-49";
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description = "
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Just anything to add into Monitor section.
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";
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};
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extraDisplaySettings = mkOption {
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default = "";
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example = "Virtual 2048 2048";
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description = "
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Just anything to add into Display subsection (located in Screen section).
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";
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};
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extraModules = mkOption {
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default = "";
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example = "
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SubSection \"extmod\"
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EndSubsection
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";
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description = "
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Just anything to add into Modules section.
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";
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};
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serverLayoutOptions = mkOption {
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default = "";
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example = "
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Option \"AIGLX\" \"true\"
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";
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description = "
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Just anything to add into Monitor section.
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";
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};
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defaultDepth = mkOption {
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default = 24;
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example = 8;
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description = "
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Default colour depth.
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";
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};
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useXFS = mkOption {
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default = false;
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example = "unix/:7100";
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description = "
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Way to access the X Font Server to use.
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";
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};
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tty = mkOption {
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default = 7;
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example = 9;
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description = "
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Virtual console for the X server.
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";
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};
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display = mkOption {
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default = 0;
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example = 1;
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description = "
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Display number for the X server.
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";
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};
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package = mkOption {
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default = pkgs.xorg;
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description = "
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Alternative X.org package to use. For
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example, you can replace individual drivers.
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";
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};
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virtualScreen = mkOption {
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default = null;
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example = {
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x=2048;
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y=2048;
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};
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description = "
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Virtual screen size for Xrandr
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";
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};
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};
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};
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};
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in
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let
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inherit (pkgs.lib) optional isInList getAttr mkIf;
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# Abbreviations.
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cfg = config.services.xserver;
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xorg = cfg.package;
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stdenv = pkgs.stdenv;
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knownVideoDrivers = {
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nvidia = { modulesFirst = [ kernelPackages.nvidiaDrivers ]; }; #make sure it first loads the nvidia libs
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vesa = { modules = [xorg.xf86videovesa]; };
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vga = { modules = [xorg.xf86videovga]; };
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sis = { modules = [xorg.xf86videosis]; };
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i810 = { modules = [xorg.xf86videoi810]; };
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intel = { modules = [xorg.xf86videointel]; };
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nv = { modules = [xorg.xf86videonv]; };
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ati = { modules = [xorg.xf86videoati]; };
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};
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# Get a bunch of user settings.
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videoDriver = cfg.videoDriver;
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resolutions = map (res: ''"${toString res.x}x${toString res.y}"'') (cfg.resolutions);
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videoDriverModules = getAttr [ videoDriver ] (throw "unkown video driver : \"${videoDriver}\"") knownVideoDrivers;
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modules =
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getAttr ["modulesFirst"] [] videoDriverModules
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++ [
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xorg.xorgserver
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xorg.xf86inputkeyboard
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xorg.xf86inputmouse
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]
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++ getAttr ["modules"] [] videoDriverModules
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++ (optional cfg.synaptics.enable ["${pkgs.synaptics}/${xorg.xorgserver}" /*xorg.xf86inputevdev*/]);
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fontsForXServer =
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fontDirectories ++
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# We don't want these fonts in fonts.conf, because then modern,
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# fontconfig-based applications will get horrible bitmapped
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# Helvetica fonts. It's better to get a substitution (like Nimbus
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# Sans) than that horror. But we do need the Adobe fonts for some
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# old non-fontconfig applications. (Possibly this could be done
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# better using a fontconfig rule.)
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[ pkgs.xorg.fontadobe100dpi
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pkgs.xorg.fontadobe75dpi
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];
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configFile = stdenv.mkDerivation {
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name = "xserver.conf";
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src = ./xserver.conf;
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inherit fontsForXServer videoDriver resolutions;
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isClone = if cfg.isClone then "on" else "off";
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synapticsInputDevice = if cfg.synaptics.enable then ''
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Section "InputDevice"
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Identifier "Touchpad[0]"
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Driver "synaptics"
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Option "Device" "${cfg.synaptics.dev}"
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Option "Protocol" "PS/2"
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Option "LeftEdge" "1700"
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Option "RightEdge" "5300"
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Option "TopEdge" "1700"
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Option "BottomEdge" "4200"
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Option "FingerLow" "25"
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Option "FingerHigh" "30"
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Option "MaxTapTime" "180"
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Option "MaxTapMove" "220"
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Option "VertScrollDelta" "100"
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Option "MinSpeed" "${cfg.synaptics.minSpeed}"
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Option "MaxSpeed" "${cfg.synaptics.maxSpeed}"
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Option "AccelFactor" "0.0010"
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Option "SHMConfig" "on"
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Option "Repeater" "/dev/input/mice"
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Option "TapButton1" "1"
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Option "TapButton2" "2"
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Option "TapButton3" "3"
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Option "VertTwoFingerScroll" "${if cfg.synaptics.twoFingerScroll then "1" else "0"}"
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Option "HorizTwoFingerScroll" "${if cfg.synaptics.twoFingerScroll then "1" else "0"}"
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EndSection
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'' else "";
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xkbOptions = if cfg.xkbOptions == "" then "" else ''
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Option "XkbOptions" "${cfg.xkbOptions}"
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'';
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xkbModel = cfg.xkbModel;
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layout = cfg.layout;
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corePointer = if cfg.synaptics.enable then "Touchpad[0]" else "Mouse[0]";
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internalAGPGART =
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if cfg.useInternalAGPGART == "yes" then
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'' Option "UseInternalAGPGART" "yes"''
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else if cfg.useInternalAGPGART == "no" then
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'' Option "UseInternalAGPGART" "no"''
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else "";
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extraDeviceConfig = cfg.extraDeviceConfig;
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extraMonitorSettings = cfg.extraMonitorSettings;
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extraDisplaySettings = cfg.extraDisplaySettings;
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extraModules = cfg.extraModules;
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serverLayoutOptions = cfg.serverLayoutOptions;
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defaultDepth = cfg.defaultDepth;
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virtualScreen = if cfg.virtualScreen != null then
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"Virtual ${toString cfg.virtualScreen.x} ${toString cfg.virtualScreen.y}"
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else "";
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xfs = if cfg.useXFS == false then "" else
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''FontPath "${toString cfg.useXFS}"'';
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buildCommand = ''
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buildCommand= # urgh, don't substitute this
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export fontPaths=
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for i in $fontsForXServer; do
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if test "''${i:0:''${#NIX_STORE}}" == "$NIX_STORE"; then
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for j in $(find $i -name fonts.dir); do
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fontPaths="''${fontPaths}FontPath \"$(dirname $j)\"''\n"
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done
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fi
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done
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export modulePaths=
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for i in $(find ${toString modules} -type d); do
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if ls $i/*.so* > /dev/null 2>&1; then
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modulePaths="''${modulePaths}ModulePath \"$i\"''\n"
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fi
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done
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export moduleSection=""
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export screen=""
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export device=""
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export extensions=""
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#if only my gf were this dirty
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if test "${toString videoDriver}" == "nvidia"; then
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export screen='
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Option "AddARGBGLXVisuals" "true"
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Option "DisableGLXRootClipping" "true"
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Option "RandRRotation" "on"
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'
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export device='
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Option "RenderAccel" "true"
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Option "AllowGLXWithComposite" "true"
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Option "AddARGBGLXVisuals" "true"
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'
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export extensions='
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Option "Composite" "Enable"
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'
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fi
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if [ "${toString videoDriver}" = i810 ]; then
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export extensions='
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Option "Composite" "Enable"
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';
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fi;
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if [ "${toString videoDriver}" = ati ]; then
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export extensions='
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Option "Composite" "Enable"
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';
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fi;
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if [ "${toString videoDriver}" = radeonhd ]; then
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export extensions='
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Option "Composite" "Enable"
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';
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fi;
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substituteAll $src $out
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''; # */
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};
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nvidiaDrivers = (config.boot.kernelPackages pkgs).nvidiaDrivers;
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in
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mkIf cfg.enable {
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require = [
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options
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# services.xserver.*Manager
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(import ./displayManager/default.nix)
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(import ./windowManager/default.nix)
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(import ./desktopManager/default.nix)
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# services.extraJobs
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(import ../../upstart-jobs/default.nix)
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# environment.etc
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(import ../../etc/default.nix)
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# fonts.fonts
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(import ../../system/fonts.nix)
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# boot.extraModulePackages
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# security.extraSetuidPrograms
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# environment.extraPackages
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];
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boot = {
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extraModulePackages = mkIf (cfg.videoDriver == "nvidia") [
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kernelPackages.nvidiaDrivers
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];
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};
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environment = {
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etc = mkIf cfg.exportConfiguration [
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{ source = "${configFile}";
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target = "X11/xorg.conf";
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}
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];
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extraPackages = [
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xorg.xrandr
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xorg.xrdb
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xorg.setxkbmap
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xorg.iceauth # required for KDE applications (it's called by dcopserver)
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]
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++ optional (videoDriver == "nvidia") [
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kernelPackages.nvidiaDrivers
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];
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};
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services = {
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xserver = {
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displayManager = {
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xserverArgs = [
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"-ac"
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"-logverbose"
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"-verbose"
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"-terminate"
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"-logfile" "/var/log/X.${toString cfg.display}.log"
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"-config ${configFile}"
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":${toString cfg.display}" "vt${toString cfg.tty}"
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"-xkbdir" "${pkgs.xkeyboard_config}/etc/X11/xkb"
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] ++ optional (!cfg.tcpEnable) "-nolisten tcp";
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};
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};
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extraJobs = [{
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name = "xserver";
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job = ''
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start on ${if cfg.autorun then "network-interfaces" else "never"}
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start script
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rm -f /var/run/opengl-driver
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${if videoDriver == "nvidia"
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then ''
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ln -sf ${kernelPackages.nvidiaDrivers} /var/run/opengl-driver
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''
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else if cfg.driSupport
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then "ln -sf ${pkgs.mesa} /var/run/opengl-driver"
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else ""
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}
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${cfg.displayManager.job.beforeScript}
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rm -f /tmp/.X0-lock
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end script
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${cfg.displayManager.job.env}
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env FONTCONFIG_FILE=/etc/fonts/fonts.conf # !!! cleanup
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env XKB_BINDIR=${xorg.xkbcomp}/bin # Needed for the Xkb extension.
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${if videoDriver == "nvidia"
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then "env LD_LIBRARY_PATH=${xorg.libX11}/lib:${xorg.libXext}/lib:${kernelPackages.nvidiaDrivers}/lib"
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else ""
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}
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${if videoDriver != "nvidia"
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then "env XORG_DRI_DRIVER_PATH=${pkgs.mesa}/lib/modules/dri"
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else ""
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}
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exec ${cfg.displayManager.job.execCmd}
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'';
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}];
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};
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}
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