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home-manager/modules/misc/qt.nix
Naïm Favier 9ba7b3990e
qt: fix breeze-qt5 path (#4098)
Don't use aliases as those may be disabled.
2023-06-16 15:33:15 +02:00

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.qt;
# Maps known lowercase style names to style packages. Non-exhaustive.
stylePackages = with pkgs; {
bb10bright = libsForQt5.qtstyleplugins;
bb10dark = libsForQt5.qtstyleplugins;
cleanlooks = libsForQt5.qtstyleplugins;
gtk2 = libsForQt5.qtstyleplugins;
motif = libsForQt5.qtstyleplugins;
cde = libsForQt5.qtstyleplugins;
plastique = libsForQt5.qtstyleplugins;
adwaita = adwaita-qt;
adwaita-dark = adwaita-qt;
adwaita-highcontrast = adwaita-qt;
adwaita-highcontrastinverse = adwaita-qt;
breeze = libsForQt5.breeze-qt5;
kvantum = [
qtstyleplugin-kvantum-qt4
libsForQt5.qtstyleplugin-kvantum
qt6Packages.qtstyleplugin-kvantum
];
};
in {
meta.maintainers = with maintainers; [ rycee thiagokokada ];
imports = [
(mkChangedOptionModule [ "qt" "useGtkTheme" ] [ "qt" "platformTheme" ]
(config:
if getAttrFromPath [ "qt" "useGtkTheme" ] config then "gtk" else null))
];
options = {
qt = {
enable = mkEnableOption "Qt 4, 5 and 6 configuration";
platformTheme = mkOption {
type = types.nullOr (types.enum [ "gtk" "gnome" "qtct" "kde" ]);
default = null;
example = "gnome";
relatedPackages = [
"qgnomeplatform"
[ "libsForQt5" "qtstyleplugins" ]
[ "libsForQt5" "qt5ct" ]
[ "qt6Packages" "qt6ct" ]
[ "libsForQt5" "plasma-integration" ]
[ "libsForQt5" "systemsettings" ]
];
description = ''
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>
<varlistentry>
<term><literal>qtct</literal></term>
<listitem><para>Use Qt style set using
<link xlink:href="https://github.com/desktop-app/qt5ct">qt5ct</link>
and
<link xlink:href="https://github.com/trialuser02/qt6ct">qt6ct</link>
applications</para></listitem>
</varlistentry>
<varlistentry>
<term><literal>kde</literal></term>
<listitem><para>Use Qt settings from Plasma</para></listitem>
</varlistentry>
</variablelist>
'';
};
style = {
name = mkOption {
type = types.nullOr types.str;
default = null;
example = "adwaita-dark";
relatedPackages = [
"adwaita-qt"
[ "libsForQt5" "breeze-qt5" ]
[ "libsForQt5" "qtstyleplugins" ]
"qtstyleplugin-kvantum-qt4"
[ "libsForQt5" "qtstyleplugin-kvantum" ]
[ "qt6Packages" "qtstyleplugin-kvantum" ]
];
description = ''
Style to use for Qt5/Qt6 applications. Case-insensitive.
</para>
<para>Some examples are
<variablelist>
<varlistentry>
<term><literal>adwaita</literal></term>
<term><literal>adwaita-dark</literal></term>
<term><literal>adwaita-highcontrast</literal></term>
<term><literal>adwaita-highcontrastinverse</literal></term>
<listitem><para>Use the Adwaita style from
<link xlink:href="https://github.com/FedoraQt/adwaita-qt">adwaita</link>
</para></listitem>
</varlistentry>
<varlistentry>
<term><literal>breeze</literal></term>
<listitem><para>Use the Breeze style from
<link xlink:href="https://github.com/KDE/breeze">breeze</link>
</para></listitem>
</varlistentry>
<varlistentry>
<term><literal>bb10bright</literal></term>
<term><literal>bb10dark</literal></term>
<term><literal>cde</literal></term>
<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>
<varlistentry>
<term><literal>kvantum</literal></term>
<listitem><para>Use styles from
<link xlink:href="https://github.com/tsujan/Kvantum">kvantum</link>
</para></listitem>
</varlistentry>
</variablelist>
'';
};
package = mkOption {
type = with types; nullOr (either package (listOf package));
default = null;
example = literalExpression "pkgs.adwaita-qt";
description = ''
Theme package to be used in Qt5/Qt6 applications.
Auto-detected from <option>qt.style.name</option> if possible.
'';
};
};
};
};
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", "adwaita-dark", or "breeze".
'';
}];
qt.style.package = mkIf (cfg.style.name != null)
(mkDefault (stylePackages.${toLower cfg.style.name} or null));
# Necessary because home.sessionVariables doesn't support mkIf
home.sessionVariables = filterAttrs (n: v: v != null) {
QT_QPA_PLATFORMTHEME = if cfg.platformTheme == "gtk" then
"gtk2"
else if cfg.platformTheme == "qtct" then
"qt5ct"
else
cfg.platformTheme;
QT_STYLE_OVERRIDE = cfg.style.name;
};
home.packages = (if cfg.platformTheme == "gnome" then
[ pkgs.qgnomeplatform ]
else if cfg.platformTheme == "qtct" then [
pkgs.libsForQt5.qt5ct
pkgs.qt6Packages.qt6ct
] else if cfg.platformTheme == "kde" then [
pkgs.libsForQt5.plasma-integration
pkgs.libsForQt5.systemsettings
] else
[ pkgs.libsForQt5.qtstyleplugins ])
++ lib.optionals (cfg.style.package != null)
(lib.toList cfg.style.package);
xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ]
++ lib.optionals (cfg.style.name != null) [ "QT_STYLE_OVERRIDE" ];
# Enable GTK+ style for Qt4 in Gtk/GNOME.
# It doesnt support the platform theme packages.
home.activation.useGtkThemeInQt4 =
mkIf (cfg.platformTheme == "gtk" || cfg.platformTheme == "gnome")
(hm.dag.entryAfter [ "writeBoundary" ] ''
$DRY_RUN_CMD ${pkgs.crudini}/bin/crudini $VERBOSE_ARG \
--set "${config.xdg.configHome}/Trolltech.conf" Qt style GTK+
'');
};
}