Merge pull request #199881 from Yarny0/fix-plasma

  libsForQt5 = pkgs.plasma5Packages;

  inherit (libsForQt5) kdeGear kdeFrameworks plasma5;

  inherit (pkgs) writeText;

  inherit (lib)

    getBin optionalString literalExpression

    mkRemovedOptionModule mkRenamedOptionModule

    mkDefault mkIf mkMerge mkOption mkPackageOptionMD types;

  ini = pkgs.formats.ini { };

  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 = ini.generate "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 = ini.generate "kcminputrc" {

    Mouse = {

      cursorTheme = "breeze_cursors";

      cursorSize = 0;

    };

  };

  activationScript = ''

    ${set_XDG_CONFIG_HOME}

    XDG_CONFIG_HOME=''${XDG_CONFIG_HOME:-$HOME/.config}

  '';

  startplasma = ''

    ${set_XDG_CONFIG_HOME}

    mkdir -p "''${XDG_CONFIG_HOME}"

  '' + optionalString config.hardware.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/

      ${getBin config.hardware.pulseaudio.package}/bin/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

  '';

in

{

      # Update the start menu for each user that is currently logged in

      system.userActivationScripts.plasmaSetup = activationScript;

      services.xserver.displayManager.setupCommands = startplasma;

      nixpkgs.config.firefox.enablePlasmaBrowserIntegration = true;

    })