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