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GTK 4 applications use accessibility bus directly and will try to connect to it every time a widget is created: https://gitlab.gnome.org/GNOME/gtk/-/issues/4831 This will make GTK 4 apps (e.g. newly ported Nautilus) grind to a halt on systems that do not have AT-SPI service installed. Let’s explicitly disable accessibility support with an environment variable when the AT-SPI service is not enabled to avoid that. Just like we do for ATK-based applications with `NO_AT_BRIDGE`. Fixes: https://github.com/NixOS/nixpkgs/issues/197188
60 lines
1.2 KiB
Nix
60 lines
1.2 KiB
Nix
# at-spi2-core daemon.
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{ config, lib, pkgs, ... }:
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with lib;
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{
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meta = {
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maintainers = teams.gnome.members;
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};
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###### interface
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# Added 2021-05-07
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imports = [
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(mkRenamedOptionModule
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[ "services" "gnome3" "at-spi2-core" "enable" ]
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[ "services" "gnome" "at-spi2-core" "enable" ]
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)
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];
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options = {
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services.gnome.at-spi2-core = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Whether to enable at-spi2-core, a service for the Assistive Technologies
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available on the GNOME platform.
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Enable this if you get the error or warning
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`The name org.a11y.Bus was not provided by any .service files`.
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'';
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};
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};
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};
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###### implementation
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config = mkMerge [
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(mkIf config.services.gnome.at-spi2-core.enable {
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environment.systemPackages = [ pkgs.at-spi2-core ];
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services.dbus.packages = [ pkgs.at-spi2-core ];
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systemd.packages = [ pkgs.at-spi2-core ];
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})
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(mkIf (!config.services.gnome.at-spi2-core.enable) {
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environment.variables = {
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NO_AT_BRIDGE = "1";
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GTK_A11Y = "none";
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};
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})
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];
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}
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