128 lines
4.4 KiB
Nix
128 lines
4.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xserver.desktopManager.surf-display;
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surfDisplayConf = ''
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# Surf Kiosk Display: Wrap around surf browser and turn your
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# system into a browser screen in KIOSK-mode.
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# default download URI for all display screens if not configured individually
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DEFAULT_WWW_URI="${cfg.defaultWwwUri}"
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# Enforce fixed resolution for all displays (default: not set):
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#DEFAULT_RESOLUTION="1920x1080"
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# HTTP proxy URL, if needed (default: not set).
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#HTTP_PROXY_URL="http://webcache:3128"
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# Setting for internal inactivity timer to restart surf-display
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# if the user goes inactive/idle.
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INACTIVITY_INTERVAL="${builtins.toString cfg.inactivityInterval}"
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# log to syslog instead of .xsession-errors
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LOG_TO_SYSLOG="yes"
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# Launch pulseaudio daemon if not already running.
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WITH_PULSEAUDIO="yes"
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# screensaver settings, see "man 1 xset" for possible options
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SCREENSAVER_SETTINGS="${cfg.screensaverSettings}"
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# disable right and middle pointer device click in browser sessions while keeping
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# scrolling wheels' functionality intact... (consider "pointer" subcommand on
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# xmodmap man page for details).
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POINTER_BUTTON_MAP="${cfg.pointerButtonMap}"
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# Hide idle mouse pointer.
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HIDE_IDLE_POINTER="${cfg.hideIdlePointer}"
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${cfg.extraConfig}
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'';
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in {
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options = {
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services.xserver.desktopManager.surf-display = {
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enable = mkEnableOption "surf-display as a kiosk browser session";
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defaultWwwUri = mkOption {
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type = types.str;
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default = "${pkgs.surf-display}/share/surf-display/empty-page.html";
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defaultText = literalExpression ''"''${pkgs.surf-display}/share/surf-display/empty-page.html"'';
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example = "https://www.example.com/";
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description = "Default URI to display.";
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};
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inactivityInterval = mkOption {
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type = types.int;
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default = 300;
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example = 0;
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description = ''
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Setting for internal inactivity timer to restart surf-display if the
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user goes inactive/idle to get a fresh session for the next user of
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the kiosk.
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If this value is set to zero, the whole feature of restarting due to
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inactivity is disabled.
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'';
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};
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screensaverSettings = mkOption {
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type = types.separatedString " ";
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default = "";
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description = ''
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Screensaver settings, see <literal>man 1 xset</literal> for possible options.
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'';
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};
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pointerButtonMap = mkOption {
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type = types.str;
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default = "1 0 0 4 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0";
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description = ''
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Disable right and middle pointer device click in browser sessions
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while keeping scrolling wheels' functionality intact. See pointer
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subcommand on <literal>man xmodmap</literal> for details.
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'';
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};
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hideIdlePointer = mkOption {
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type = types.str;
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default = "yes";
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example = "no";
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description = "Hide idle mouse pointer.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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# Enforce fixed resolution for all displays (default: not set):
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DEFAULT_RESOLUTION="1920x1080"
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# HTTP proxy URL, if needed (default: not set).
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HTTP_PROXY_URL="http://webcache:3128"
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# Configure individual display screens with host specific parameters:
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DISPLAYS['display-host-0']="www_uri=https://www.displayserver.comany.net/display-1/index.html"
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DISPLAYS['display-host-1']="www_uri=https://www.displayserver.comany.net/display-2/index.html"
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DISPLAYS['display-host-2']="www_uri=https://www.displayserver.comany.net/display-3/index.html|res=1920x1280"
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DISPLAYS['display-host-3']="www_uri=https://www.displayserver.comany.net/display-4/index.html"|res=1280x1024"
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DISPLAYS['display-host-local-file']="www_uri=file:///usr/share/doc/surf-display/empty-page.html"
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'';
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description = ''
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Extra configuration options to append to <literal>/etc/default/surf-display</literal>.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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services.xserver.displayManager.sessionPackages = [
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pkgs.surf-display
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];
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environment.etc."default/surf-display".text = surfDisplayConf;
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};
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}
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