forked from mirrors/nixpkgs
nixos/qt5: refactor to support more platform themes
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gnidorah
parent
193e2ed86e
commit
23107a32c4
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@ -6,13 +6,63 @@ let
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cfg = config.qt5;
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isQGnome = cfg.platformTheme == "gnome" && cfg.style == "adwaita";
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isQtStyle = cfg.platformTheme == "gtk2" && cfg.style != "adwaita";
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themeType = types.submodule {
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options = {
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package = mkOption {
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internal = true;
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type = types.nullOr types.package;
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default = null;
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};
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name = mkOption {
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internal = true;
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type = types.str;
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};
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};
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};
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packages = if isQGnome then [ pkgs.qgnomeplatform pkgs.adwaita-qt ]
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else if isQtStyle then [ pkgs.libsForQt5.qtstyleplugins ]
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else throw "`qt5.platformTheme` ${cfg.platformTheme} and `qt5.style` ${cfg.style} are not compatible.";
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optionalPackage = opt:
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optional (opt != null && opt.package != null) opt.package;
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platforms = {
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gtk2 = rec {
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description = ''
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<varlistentry>
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<term><literal>gtk2</literal></term>
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<listitem><para>Use GTK2 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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'';
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styles = [ "cleanlooks" "gtk2" "cde" "motif" "plastique" ];
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assertions = [
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{
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assertion = cfg.style != null && any (name: name == cfg.style.name) styles;
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message = "`qt5.style.name` is not one of [ ${toString styles} ].";
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}
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];
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environment.variables.QT_QPA_PLATFORMTHEME = "gtk2";
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environment.variables.QT_STYLE_OVERRIDE = cfg.style.name;
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environment.systemPackages = [ pkgs.libsForQt5.qtstyleplugins ];
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};
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qgnomeplatform = {
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description = ''
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<varlistentry>
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<term><literal>qgnomeplatform</literal></term>
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<listitem><para>Use GNOME theme with
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<link xlink:href="https://github.com/FedoraQt/QGnomePlatform">qgnomeplatform</link>
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</para></listitem>
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</varlistentry>
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'';
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environment.variables.QT_QPA_PLATFORMTHEME = "qgnomeplatform";
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# TODO: make this optional once https://github.com/NixOS/nixpkgs/issues/54150 is fixed
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# qgnomeplatform reads theme and other settings from dconf db
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environment.variables.QT_STYLE_OVERRIDE = cfg.style.name;
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environment.variables.XDG_DATA_DIRS = [ "${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}" ];
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environment.systemPackages = [ pkgs.qgnomeplatform ];
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};
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};
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in
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{
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@ -23,80 +73,42 @@ in
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enable = mkEnableOption "Qt5 theming configuration";
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platformTheme = mkOption {
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type = types.enum [
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"gtk2"
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"gnome"
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];
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example = "gnome";
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relatedPackages = [
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"qgnomeplatform"
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["libsForQt5" "qtstyleplugins"]
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];
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type = types.enum (attrNames platforms);
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example = head (attrNames platforms);
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description = ''
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Selects the platform theme 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>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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${concatStrings (mapAttrsToList (name: value: value.description) platforms)}
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</variablelist>
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'';
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};
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style = mkOption {
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type = types.enum [
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"adwaita"
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"cleanlooks"
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"gtk2"
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"motif"
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"plastique"
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];
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example = "adwaita";
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relatedPackages = [
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"adwaita-qt"
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["libsForQt5" "qtstyleplugins"]
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];
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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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<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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type = types.nullOr themeType;
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default = null;
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example = literalExample ''
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{
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name = "Breeze";
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package = pkgs.breeze-qt5;
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};
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'';
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description = "The Qt style to use.";
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};
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};
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};
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config = mkIf cfg.enable {
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environment.variables.QT_QPA_PLATFORMTHEME = cfg.platformTheme;
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assertions = attrByPath [ cfg.platformTheme "assertions" ] [] platforms;
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environment.variables.QT_STYLE_OVERRIDE = cfg.style;
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environment.variables = attrByPath [ cfg.platformTheme "environment" "variables" ] {} platforms;
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environment.systemPackages = packages;
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environment.systemPackages = attrByPath [ cfg.platformTheme "environment" "systemPackages" ] [] platforms
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++ optionalPackage cfg.style;
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};
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meta.maintainers = with maintainers; [ worldofpeace gnidorah ];
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}
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