102 lines
3.2 KiB
Nix
102 lines
3.2 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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inherit (lib)
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mkEnableOption
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mkIf
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mkOption
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mkRenamedOptionModule
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teams
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types;
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in
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{
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imports = [
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(mkRenamedOptionModule [ "services" "flatpak" "extraPortals" ] [ "xdg" "portal" "extraPortals" ])
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({ config, lib, options, ... }:
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let
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from = [ "xdg" "portal" "gtkUsePortal" ];
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fromOpt = lib.getAttrFromPath from options;
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in
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{
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warnings = lib.mkIf config.xdg.portal.gtkUsePortal [
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"The option `${lib.showOption from}' defined in ${lib.showFiles fromOpt.files} has been deprecated. Setting the variable globally with `environment.sessionVariables' NixOS option can have unforseen side-effects."
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];
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}
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)
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];
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meta = {
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maintainers = teams.freedesktop.members;
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};
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options.xdg.portal = {
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enable =
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mkEnableOption "<link xlink:href='https://github.com/flatpak/xdg-desktop-portal'>xdg desktop integration</link>" // {
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default = false;
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};
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extraPortals = mkOption {
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type = types.listOf types.package;
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default = [ ];
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description = ''
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List of additional portals to add to path. Portals allow interaction
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with system, like choosing files or taking screenshots. At minimum,
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a desktop portal implementation should be listed. GNOME and KDE already
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adds <package>xdg-desktop-portal-gtk</package>; and
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<package>xdg-desktop-portal-kde</package> respectively. On other desktop
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environments you probably want to add them yourself.
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'';
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};
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gtkUsePortal = mkOption {
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type = types.bool;
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visible = false;
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default = false;
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description = ''
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Sets environment variable <literal>GTK_USE_PORTAL</literal> to <literal>1</literal>.
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This will force GTK-based programs ran outside Flatpak to respect and use XDG Desktop Portals
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for features like file chooser but it is an unsupported hack that can easily break things.
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Defaults to <literal>false</literal> to respect its opt-in nature.
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'';
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};
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};
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config =
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let
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cfg = config.xdg.portal;
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packages = [ pkgs.xdg-desktop-portal ] ++ cfg.extraPortals;
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joinedPortals = pkgs.buildEnv {
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name = "xdg-portals";
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paths = packages;
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pathsToLink = [ "/share/xdg-desktop-portal/portals" "/share/applications" ];
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};
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in
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mkIf cfg.enable {
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assertions = [
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{
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assertion = cfg.extraPortals != [ ];
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message = "Setting xdg.portal.enable to true requires a portal implementation in xdg.portal.extraPortals such as xdg-desktop-portal-gtk or xdg-desktop-portal-kde.";
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}
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];
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services.dbus.packages = packages;
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systemd.packages = packages;
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environment = {
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# fixes screen sharing on plasmawayland on non-chromium apps by linking
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# share/applications/*.desktop files
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# see https://github.com/NixOS/nixpkgs/issues/145174
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systemPackages = [ joinedPortals ];
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pathsToLink = [ "/share/applications" ];
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sessionVariables = {
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GTK_USE_PORTAL = mkIf cfg.gtkUsePortal "1";
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XDG_DESKTOP_PORTAL_DIR = "${joinedPortals}/share/xdg-desktop-portal/portals";
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};
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};
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};
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}
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