nixpkgs/nixos/modules/services/x11/desktop-managers/plasma5.nix

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{ config, lib, pkgs, ... }:
with lib;
let
xcfg = config.services.xserver;
cfg = xcfg.desktopManager.plasma5;
inherit (pkgs) kdeApplications plasma5 libsForQt5 qt5;
inherit (pkgs) writeText;
pulseaudio = config.hardware.pulseaudio;
pactl = "${getBin pulseaudio.package}/bin/pactl";
startplasma-x11 = "${getBin plasma5.plasma-workspace}/bin/startplasma-x11";
sed = "${getBin pkgs.gnused}/bin/sed";
gtkrc2 = writeText "gtkrc-2.0" ''
# Default GTK+ 2 config for NixOS Plasma 5
include "/run/current-system/sw/share/themes/Breeze/gtk-2.0/gtkrc"
style "user-font"
{
font_name="Sans Serif Regular"
}
widget_class "*" style "user-font"
gtk-font-name="Sans Serif Regular 10"
gtk-theme-name="Breeze"
gtk-icon-theme-name="breeze"
gtk-fallback-icon-theme="hicolor"
gtk-cursor-theme-name="breeze_cursors"
gtk-toolbar-style=GTK_TOOLBAR_ICONS
gtk-menu-images=1
gtk-button-images=1
'';
gtk3_settings = writeText "settings.ini" ''
[Settings]
gtk-font-name=Sans Serif Regular 10
gtk-theme-name=Breeze
gtk-icon-theme-name=breeze
gtk-fallback-icon-theme=hicolor
gtk-cursor-theme-name=breeze_cursors
gtk-toolbar-style=GTK_TOOLBAR_ICONS
gtk-menu-images=1
gtk-button-images=1
'';
kcminputrc = writeText "kcminputrc" ''
[Mouse]
cursorTheme=breeze_cursors
cursorSize=0
'';
activationScript = ''
# The KDE icon cache is supposed to update itself automatically, but it uses
# the timestamp on the icon theme directory as a trigger. This doesn't work
# on NixOS because the timestamp never changes. As a workaround, delete the
# icon cache at login and session activation.
# See also: http://lists-archives.org/kde-devel/26175-what-when-will-icon-cache-refresh.html
rm -fv $HOME/.cache/icon-cache.kcache
# xdg-desktop-settings generates this empty file but
# it makes kbuildsyscoca5 fail silently. To fix this
# remove that menu if it exists.
rm -fv ''${XDG_CONFIG_HOME:?}/menus/applications-merged/xdg-desktop-menu-dummy.menu
# Qt writes a weird libraryPath line to
# ~/.config/Trolltech.conf that causes the KDE plugin
# paths of previous KDE invocations to be searched.
# Obviously using mismatching KDE libraries is potentially
# disastrous, so here we nuke references to the Nix store
# in Trolltech.conf. A better solution would be to stop
# Qt from doing this wackiness in the first place.
trolltech_conf="''${XDG_CONFIG_HOME:?}/Trolltech.conf"
if [ -e "$trolltech_conf" ]; then
${sed} -i "$trolltech_conf" -e '/nix\\store\|nix\/store/ d'
fi
# Remove the kbuildsyscoca5 cache. It will be regenerated
# immediately after. This is necessary for kbuildsyscoca5 to
# recognize that software that has been removed.
rm -fv $HOME/.cache/ksycoca*
${pkgs.libsForQt5.kservice}/bin/kbuildsycoca5
'';
startplasma =
''
export XDG_CONFIG_HOME="''${XDG_CONFIG_HOME:-$HOME/.config}"
mkdir -p "''${XDG_CONFIG_HOME:?}"
''
+ optionalString pulseaudio.enable ''
# Load PulseAudio module for routing support.
# See also: http://colin.guthr.ie/2009/10/so-how-does-the-kde-pulseaudio-support-work-anyway/
${pactl} load-module module-device-manager "do_routing=1"
''
+ ''
${activationScript}
# Create default configurations if Plasma has never been started.
kdeglobals="''${XDG_CONFIG_HOME:?}/kdeglobals"
if ! [ -f "$kdeglobals" ]
then
kcminputrc="''${XDG_CONFIG_HOME:?}/kcminputrc"
if ! [ -f "$kcminputrc" ]
then
cat ${kcminputrc} >"$kcminputrc"
fi
gtkrc2="$HOME/.gtkrc-2.0"
if ! [ -f "$gtkrc2" ]
then
cat ${gtkrc2} >"$gtkrc2"
fi
gtk3_settings="''${XDG_CONFIG_HOME:?}/gtk-3.0/settings.ini"
if ! [ -f "$gtk3_settings" ]
then
mkdir -p "$(dirname "$gtk3_settings")"
cat ${gtk3_settings} >"$gtk3_settings"
fi
fi
''
+ ''
exec "${startplasma-x11}"
'';
in
{
options = {
services.xserver.desktopManager.plasma5 = {
enable = mkOption {
type = types.bool;
default = false;
description = "Enable the Plasma 5 (KDE 5) desktop environment.";
};
phononBackend = mkOption {
type = types.enum [ "gstreamer" "vlc" ];
default = "gstreamer";
example = "vlc";
description = "Phonon audio backend to install.";
};
};
};
imports = [
(mkRemovedOptionModule [ "services" "xserver" "desktopManager" "plasma5" "enableQt4Support" ] "Phonon no longer supports Qt 4.")
(mkRenamedOptionModule [ "services" "xserver" "desktopManager" "kde5" ] [ "services" "xserver" "desktopManager" "plasma5" ])
];
config = mkMerge [
(mkIf cfg.enable {
services.xserver.desktopManager.session = singleton {
name = "plasma5";
bgSupport = true;
start = startplasma;
};
security.wrappers = {
kcheckpass.source = "${lib.getBin plasma5.kscreenlocker}/libexec/kcheckpass";
start_kdeinit.source = "${lib.getBin pkgs.kinit}/libexec/kf5/start_kdeinit";
kwin_wayland = {
source = "${lib.getBin plasma5.kwin}/bin/kwin_wayland";
capabilities = "cap_sys_nice+ep";
};
};
environment.systemPackages = with pkgs; with qt5; with libsForQt5; with plasma5; with kdeApplications;
[
frameworkintegration
kactivities
kauth
kcmutils
kconfig
kconfigwidgets
kcoreaddons
kdoctools
kdbusaddons
kdeclarative
kded
kdesu
kdnssd
kemoticons
kfilemetadata
kglobalaccel
kguiaddons
kiconthemes
kidletime
kimageformats
kinit
kio
kjobwidgets
knewstuff
knotifications
knotifyconfig
kpackage
kparts
kpeople
krunner
kservice
ktextwidgets
kwallet
kwallet-pam
kwalletmanager
kwayland
kwidgetsaddons
kxmlgui
kxmlrpcclient
plasma-framework
solid
sonnet
threadweaver
breeze-qt5
kactivitymanagerd
kde-cli-tools
kdecoration
kdeplasma-addons
kgamma5
khotkeys
kinfocenter
kmenuedit
kscreen
kscreenlocker
ksysguard
kwayland
kwin
kwrited
libkscreen
libksysguard
milou
plasma-browser-integration
plasma-integration
polkit-kde-agent
systemsettings
plasma-desktop
plasma-workspace
plasma-workspace-wallpapers
dolphin
dolphin-plugins
ffmpegthumbs
kdegraphics-thumbnailers
khelpcenter
kio-extras
konsole
oxygen
print-manager
breeze-icons
pkgs.hicolor-icon-theme
kde-gtk-config breeze-gtk
qtvirtualkeyboard
xdg-user-dirs # Update user dirs as described in https://freedesktop.org/wiki/Software/xdg-user-dirs/
]
# Phonon audio backend
++ lib.optional (cfg.phononBackend == "gstreamer") libsForQt5.phonon-backend-gstreamer
++ lib.optional (cfg.phononBackend == "vlc") libsForQt5.phonon-backend-vlc
# Optional hardware support features
++ lib.optionals config.hardware.bluetooth.enable [ bluedevil bluez-qt openobex obexftp ]
++ lib.optional config.networking.networkmanager.enable plasma-nm
++ lib.optional config.hardware.pulseaudio.enable plasma-pa
++ lib.optional config.powerManagement.enable powerdevil
++ lib.optional config.services.colord.enable colord-kde
++ lib.optionals config.services.samba.enable [ kdenetwork-filesharing pkgs.samba ]
++ lib.optional config.services.xserver.wacom.enable wacomtablet;
environment.pathsToLink = [
# FIXME: modules should link subdirs of `/share` rather than relying on this
"/share"
];
environment.etc."X11/xkb".source = xcfg.xkbDir;
# Enable GTK applications to load SVG icons
services.xserver.gdk-pixbuf.modulePackages = [ pkgs.librsvg ];
fonts.fonts = with pkgs; [ noto-fonts hack-font ];
fonts.fontconfig.defaultFonts = {
monospace = [ "Hack" "Noto Mono" ];
sansSerif = [ "Noto Sans" ];
serif = [ "Noto Serif" ];
};
programs.ssh.askPassword = mkDefault "${plasma5.ksshaskpass.out}/bin/ksshaskpass";
# Enable helpful DBus services.
services.udisks2.enable = true;
services.upower.enable = config.powerManagement.enable;
services.system-config-printer.enable = (mkIf config.services.printing.enable (mkDefault true));
services.xserver.libinput.enable = mkDefault true;
# Extra UDEV rules used by Solid
services.udev.packages = [
pkgs.libmtp
pkgs.media-player-info
];
services.xserver.displayManager.sddm = {
theme = mkDefault "breeze";
};
security.pam.services.kde = { allowNullPassword = true; };
# Doing these one by one seems silly, but we currently lack a better
# construct for handling common pam configs.
security.pam.services.gdm.enableKwallet = true;
security.pam.services.kdm.enableKwallet = true;
security.pam.services.lightdm.enableKwallet = true;
security.pam.services.sddm.enableKwallet = true;
xdg.portal.enable = true;
xdg.portal.extraPortals = [ pkgs.xdg-desktop-portal-kde ];
# Update the start menu for each user that is currently logged in
system.userActivationScripts.plasmaSetup = activationScript;
})
];
}