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home-manager/modules/services/window-managers/bspwm/default.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.xsession.windowManager.bspwm;
camelToSnake =
builtins.replaceStrings upperChars (map (c: "_${c}") lowerChars);
formatMonitor = monitor: desktops:
let
resetDesktops =
"bspc monitor ${escapeShellArg monitor} -d ${escapeShellArgs desktops}";
defaultDesktopName =
"Desktop"; # https://github.com/baskerville/bspwm/blob/master/src/desktop.h
in if cfg.alwaysResetDesktops then
resetDesktops
else ''
if [[ $(bspc query --desktops --names --monitor ${
escapeShellArg monitor
}) == ${defaultDesktopName} ]]; then
${resetDesktops}
fi'';
formatValue = v:
if isList v then
concatMapStringsSep "," formatValue v
else if isBool v then
if v then "on" else "off"
else if isInt v || isFloat v then
toString v
else if isString v then
v
else
throw "unsupported type"; # should not happen
formatSetting = n: v: "bspc config ${escapeShellArgs [ n (formatValue v) ]}";
formatRule = target: directives:
let
formatDirective = n: v: "${camelToSnake n}=${formatValue v}";
directivesStr = escapeShellArgs (mapAttrsToList formatDirective
(filterAttrs (n: v: v != null) directives));
in "bspc rule -a ${escapeShellArg target} ${directivesStr}";
formatStartupProgram = s: "${s} &";
2020-02-02 00:39:17 +01:00
in {
meta.maintainers = [ maintainers.ncfavier ];
options = import ./options.nix { inherit pkgs lib; };
config = mkIf cfg.enable {
assertions = [
(hm.assertions.assertPlatform "xsession.windowManager.bspwm" pkgs
platforms.linux)
];
home.packages = [ cfg.package ];
xdg.configFile."bspwm/bspwmrc".source = pkgs.writeShellScript "bspwmrc"
((optionalString (cfg.extraConfigEarly != "")
(cfg.extraConfigEarly + "\n")) + ''
${concatStringsSep "\n" (mapAttrsToList formatMonitor cfg.monitors)}
${concatStringsSep "\n" (mapAttrsToList formatSetting cfg.settings)}
bspc rule -r '*'
${concatStringsSep "\n" (mapAttrsToList formatRule cfg.rules)}
# java gui fixes
export _JAVA_AWT_WM_NONREPARENTING=1
bspc rule -a sun-awt-X11-XDialogPeer state=floating
${cfg.extraConfig}
${concatMapStringsSep "\n" formatStartupProgram cfg.startupPrograms}
'');
# for applications not started by bspwm, e.g. sxhkd
xsession.profileExtra = ''
# java gui fixes
export _JAVA_AWT_WM_NONREPARENTING=1
'';
xsession.windowManager.command =
"${cfg.package}/bin/bspwm -c ${config.xdg.configHome}/bspwm/bspwmrc";
};
}