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nixos/xdg: add gtkUsePortal option to portals

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Prior to this change GTK_USE_PORTAL was unconditionally
set to "1". For this to not break things you have to have some
sort of portal implementation in extraPortals.

Setting GTK_USE_PORTAL in this manner is actually only useful
when using portals for applications outside flatpak. For example
people using non-flatpak Firefox who want native filechoosers.
It's also WIP for electron applications to support this.
This commit is contained in:
worldofpeace 2019-07-26 22:54:19 -04:00
parent 1e4d9e08cd
commit 1b21c9db91
1 changed files with 21 additions and 1 deletions
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22
nixos/modules/config/xdg/portal.nix
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@ -1,5 +1,7 @@
{ config, pkgs ,lib ,... }: { config, pkgs ,lib ,... }:
with lib; with lib;
{ {
options.xdg.portal = { options.xdg.portal = {
enable = enable =
@ -19,6 +21,17 @@ with lib;
environments you probably want to add them yourself. environments you probably want to add them yourself.
''; '';
}; };
gtkUsePortal = mkOption {
type = types.bool;
default = false;
description = ''
Sets environment variable <literal>GTK_USE_PORTAL</literal> to <literal>1</literal>.
This is needed for packages ran outside Flatpak to respect and use XDG Desktop Portals.
For example, you'd need to set this for non-flatpak Firefox to use native filechoosers.
Defaults to <literal>false</literal> to respect its opt-in nature.
'';
};
}; };
config = config =
@ -28,10 +41,17 @@ with lib;
in mkIf cfg.enable { in mkIf cfg.enable {
assertions = [
{ assertion = (cfg.gtkUsePortal -> cfg.extraPortals != []);
message = "Setting xdg.portal.gtkUsePortal to true requires a portal implementation in xdg.portal.extraPortals such as xdg-desktop-portal-gtk or xdg-desktop-portal-kde.";
}
];
services.dbus.packages = packages; services.dbus.packages = packages;
systemd.packages = packages; systemd.packages = packages;
environment.variables = { environment.variables = {
GTK_USE_PORTAL = "1"; GTK_USE_PORTAL = optional cfg.gtkUsePortal "1";
XDG_DESKTOP_PORTAL_PATH = map (p: "${p}/share/xdg-desktop-portal/portals") cfg.extraPortals; XDG_DESKTOP_PORTAL_PATH = map (p: "${p}/share/xdg-desktop-portal/portals") cfg.extraPortals;
}; };
}; };