122 lines
4.1 KiB
Nix
122 lines
4.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.qt;
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in {
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meta.maintainers = [ maintainers.rycee ];
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imports = [
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(mkChangedOptionModule [ "qt" "useGtkTheme" ] [ "qt" "platformTheme" ]
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(config:
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if getAttrFromPath [ "qt" "useGtkTheme" ] config then "gtk" else null))
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];
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options = {
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qt = {
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enable = mkEnableOption "Qt 4 and 5 configuration";
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platformTheme = mkOption {
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type = types.nullOr (types.enum [ "gtk" "gnome" ]);
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default = null;
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example = "gnome";
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relatedPackages =
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[ "qgnomeplatform" [ "libsForQt5" "qtstyleplugins" ] ];
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description = ''
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Selects the platform theme to use for Qt applications.</para>
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<para>The options are
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<variablelist>
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<varlistentry>
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<term><literal>gtk</literal></term>
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<listitem><para>Use GTK theme with
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<link xlink:href="https://github.com/qt/qtstyleplugins">qtstyleplugins</link>
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>gnome</literal></term>
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<listitem><para>Use GNOME theme with
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<link xlink:href="https://github.com/FedoraQt/QGnomePlatform">qgnomeplatform</link>
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</para></listitem>
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</varlistentry>
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</variablelist>
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'';
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};
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style = {
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name = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "adwaita-dark";
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relatedPackages = [ "adwaita-qt" [ "libsForQt5" "qtstyleplugins" ] ];
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description = ''
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Selects the style to use for Qt5 applications.</para>
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<para>The options are
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<variablelist>
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<varlistentry>
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<term><literal>adwaita</literal></term>
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<term><literal>adwaita-dark</literal></term>
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<listitem><para>Use Adwaita Qt style with
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<link xlink:href="https://github.com/FedoraQt/adwaita-qt">adwaita</link>
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>cleanlooks</literal></term>
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<term><literal>gtk2</literal></term>
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<term><literal>motif</literal></term>
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<term><literal>plastique</literal></term>
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<listitem><para>Use styles from
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<link xlink:href="https://github.com/qt/qtstyleplugins">qtstyleplugins</link>
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</para></listitem>
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</varlistentry>
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</variablelist>
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'';
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};
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package = mkOption {
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type = types.nullOr types.package;
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default = null;
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example = literalExpression "pkgs.adwaita-qt";
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description = "Theme package to be used in Qt5 applications.";
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};
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};
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};
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};
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config = mkIf (cfg.enable && cfg.platformTheme != null) {
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assertions = [{
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assertion = (cfg.platformTheme == "gnome")
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-> ((cfg.style.name != null) && (cfg.style.package != null));
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message = ''
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`qt.platformTheme` "gnome" must have `qt.style` set to a theme that
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supports both Qt and Gtk, for example "adwaita" or "adwaita-dark".
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'';
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}];
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# Necessary because home.sessionVariables is of types.attrs
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home.sessionVariables = (filterAttrs (n: v: v != null) {
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QT_QPA_PLATFORMTHEME =
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if cfg.platformTheme == "gnome" then "gnome" else "gtk2";
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QT_STYLE_OVERRIDE = cfg.style.name;
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});
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home.packages = if cfg.platformTheme == "gnome" then
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[ pkgs.qgnomeplatform ]
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++ lib.optionals (cfg.style.package != null) [ cfg.style.package ]
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else
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[ pkgs.libsForQt5.qtstyleplugins ];
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xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ]
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++ lib.optionals (cfg.style != null) [ "QT_STYLE_OVERRIDE" ];
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# Enable GTK+ style for Qt4 in either case.
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# It doesn’t support the platform theme packages.
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home.activation.useGtkThemeInQt4 = hm.dag.entryAfter [ "writeBoundary" ] ''
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$DRY_RUN_CMD ${pkgs.crudini}/bin/crudini $VERBOSE_ARG \
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--set "${config.xdg.configHome}/Trolltech.conf" Qt style GTK+
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'';
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};
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}
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