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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.gtk;
gtk2 = cfg.enable && cfg.gtk2;
toGtk2File = key: value:
let
value' =
if isBool value then (if value then "true" else "false")
else if isString value then "\"${value}\""
else toString value;
in
"${key} = ${value'}";
toGtk3File = generators.toINI {
mkKeyValue = key: value:
let
value' =
if isBool value then (if value then "true" else "false")
else toString value;
in
"${key}=${value'}";
};
settings =
optionalAttrs (cfg.font != null)
{ gtk-font-name = cfg.font.name; }
//
optionalAttrs (cfg.theme != null)
{ gtk-theme-name = cfg.theme.name; }
//
optionalAttrs (cfg.iconTheme != null)
{ gtk-icon-theme-name = cfg.iconTheme.name; }
//
optionalAttrs (cfg.cursorTheme != null)
{ gtk-cursor-theme-name = cfg.cursorTheme.name; };
fontType = types.submodule {
options = {
package = mkOption {
internal = true;
type = types.nullOr types.package;
default = null;
};
name = mkOption {
internal = true;
type = types.str;
};
};
};
themeType = types.submodule {
options = {
package = mkOption {
internal = true;
type = types.nullOr types.package;
default = null;
};
name = mkOption {
internal = true;
type = types.str;
};
};
};
optionalPackage = opt:
optional (opt != null && opt.package != null) opt.package;
in
{
options = {
gtk = {
enable = mkEnableOption "Gtk theming configuration";
gtk2 = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable theming for obsolete GTK2 engine.
'';
};
font = mkOption {
type = types.nullOr fontType;
default = null;
example = literalExample ''
{
name = "Cantarell 11";
package = pkgs.cantarell-fonts;
};
'';
description = ''
The font to use in GTK+ applications.
'';
};
iconTheme = mkOption {
type = types.nullOr themeType;
default = null;
example = literalExample ''
{
name = "Adwaita";
package = pkgs.gnome3.adwaita-icon-theme;
};
'';
description = "The icon theme to use.";
};
cursorTheme = mkOption {
type = types.nullOr themeType;
default = null;
example = literalExample ''
{
name = "Adwaita";
package = pkgs.gnome3.adwaita-icon-theme;
};
'';
description = "The cursor theme to use.";
};
theme = mkOption {
type = types.nullOr themeType;
default = null;
example = literalExample ''
{
name = "Adwaita";
package = pkgs.gnome-themes-extra;
};
'';
description = "The GTK+ theme to use.";
};
};
};
config = mkMerge [
(mkIf gtk2 {
environment.etc."xdg/gtk-2.0/gtkrc".text =
concatStringsSep "\n" (
mapAttrsToList toGtk2File settings
);
})
(mkIf cfg.enable {
environment.systemPackages =
optionalPackage cfg.font
++ optionalPackage cfg.theme
++ optionalPackage cfg.iconTheme
++ optionalPackage cfg.cursorTheme;
environment.etc."xdg/gtk-3.0/settings.ini".text =
toGtk3File { Settings = settings; };
# TODO: support Wayland/XSettings
# once https://github.com/NixOS/nixpkgs/issues/54150 is fixed
})
];
meta.maintainers = [ maintainers.gnidorah ];
}
|