more rice stuff

modules/home-manager/bspwm.nix

@@ -1,34 +1,65 @@
-{ lib, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
+let
+  cfg = config.my.bspwm;
+in
 {
-  xdg.configFile."bspwm/bspwmrc" = {
-    executable = true;
-    text = ''
-      #!/bin/sh
+  options.my.bspwm.monitors = lib.mkOption {
+    default = [ ];
+    description = "Monitors left to right. Empty means single-monitor defaults.";
+    type = lib.types.listOf (lib.types.submodule {
+      options = {
+        name = lib.mkOption { type = lib.types.str; };
+        xrandr = lib.mkOption {
+          type = lib.types.str;
+          default = "--auto";
+          description = "Arguments for xrandr --output <name>.";
+        };
+        desktops = lib.mkOption { type = lib.types.listOf lib.types.str; };
+      };
+    });
+  };
 
-      bspc monitor -d 1 2 3 4 5 6 7 8 9
+  config = {
+    xdg.configFile."bspwm/bspwmrc" = {
+      executable = true;
+      text = ''
+        #!/bin/sh
 
-      # Gaps and borders
-      bspc config window_gap          10
-      bspc config border_width        2
-      bspc config focused_border_color  "#7aa2f7"
-      bspc config normal_border_color   "#292e42"
+        ${lib.optionalString (cfg.monitors != [ ]) ''
+          ${pkgs.xrandr}/bin/xrandr ${lib.concatMapStringsSep " "
+            (m: "--output ${m.name} ${m.xrandr}") cfg.monitors}
+        ''}
+        ${if cfg.monitors == [ ]
+          then "bspc monitor -d 1 2 3 4 5 6 7 8 9"
+          else lib.concatMapStringsSep "\n"
+            (m: "bspc monitor ${m.name} -d ${lib.concatStringsSep " " m.desktops}")
+            cfg.monitors}
 
-      # Layout behaviour
-      bspc config split_ratio         0.50
-      bspc config borderless_monocle  true
-      bspc config gapless_monocle     true
+        # Gaps and borders
+        bspc config window_gap          10
+        bspc config border_width        2
+        bspc config focused_border_color  "#7aa2f7"
+        bspc config normal_border_color   "#292e42"
 
-      # Launch polybar
-      ~/.config/polybar/launch.sh
+        # Layout behaviour
+        bspc config split_ratio         0.50
+        bspc config borderless_monocle  true
+        bspc config gapless_monocle     true
+
+        # Launch polybar
+        ~/.config/polybar/launch.sh
+
+        # Wallpapers
+        [ -x ~/.config/wallpaper/set.sh ] && ~/.config/wallpaper/set.sh
+      '';
+    };
+
+    home.activation.reloadBspwm = lib.hm.dag.entryAfter [ "linkGeneration" ] ''
+      if ${pkgs.procps}/bin/pgrep -x bspwm >/dev/null; then
+        PATH=${pkgs.bspwm}/bin:$PATH DISPLAY=:0 $HOME/.config/bspwm/bspwmrc \
+          || echo "bspwmrc reload failed" >&2
+      fi
     '';
   };
-  
-  home.activation.reloadBspwm = lib.hm.dag.entryAfter [ "linkGeneration" ] ''
-    if ${pkgs.procps}/bin/pgrep -x bspwm >/dev/null; then
-      PATH=${pkgs.bspwm}/bin:$PATH DISPLAY=:0 $HOME/.config/bspwm/bspwmrc \
-        || echo "bspwmrc reload failed" >&2
-    fi
-  '';
-
 }