home-manager/modules/misc/qt.nix
Emily 9f9e277b60 treewide: remove now-redundant lib.mdDoc calls
These (and the `*MD` functions apart from `literalMD`) are now no-ops
in nixpkgs and serve no purpose other than to add additional noise and
potentially mislead people into thinking unmarked DocBook documentation
will still be accepted.

Note that if backporting changes including documentation to 23.05,
the `mdDoc` calls will need to be re-added.

To reproduce this commit, run:

    $ NIX_PATH=nixpkgs=flake:nixpkgs/e7e69199f0372364a6106a1e735f68604f4c5a25 \
      nix shell nixpkgs#coreutils \
      -c find . -name '*.nix' \
      -exec nix run -- github:emilazy/nix-doc-munge/98dadf1f77351c2ba5dcb709a2a171d655f15099 \
      --strip {} +
    $ ./format
2023-07-17 18:49:09 +01:00

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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.
The options are
`gtk`
: Use GTK theme with
[`qtstyleplugins`](https://github.com/qt/qtstyleplugins)
`gnome`
: Use GNOME theme with
[`qgnomeplatform`](https://github.com/FedoraQt/QGnomePlatform)
`qtct`
: Use Qt style set using
[`qt5ct`](https://github.com/desktop-app/qt5ct)
and [`qt6ct`](https://github.com/trialuser02/qt6ct)
applications
`kde`
: Use Qt settings from Plasma
'';
};
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.
Some examples are
`adwaita`, `adwaita-dark`, `adwaita-highcontrast`, `adwaita-highcontrastinverse`
: Use the Adwaita style from
[`adwaita-qt`](https://github.com/FedoraQt/adwaita-qt)
`breeze`
: Use the Breeze style from
[`breeze`](https://github.com/KDE/breeze)
`bb10bright`, `bb10dark`, `cde`, `cleanlooks`, `gtk2`, `motif`, `plastique`
: Use styles from
[`qtstyleplugins`](https://github.com/qt/qtstyleplugins)
`kvantum`
: Use styles from
[`kvantum`](https://github.com/tsujan/Kvantum)
'';
};
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` 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+
'');
};
}