universedesktop: back to dwm & st

machines/universedesktop/desktop/dwm.nix

@@ -2,11 +2,11 @@
   nixpkgs.overlays = [
     (final: prev: {
       st = prev.st.override {
-        conf = pkgs.substituteAll {
-          src = ./dwm/;
+        conf = builtins.readFile (pkgs.substituteAll {
+          src = ./dwm/st-config.def.h;
           env = {
           };
-        };
+        });
       };
     })
   ];
@@ -30,7 +30,7 @@
           '';
           scrncmd=pkgs.writeScript "screenshot-region" ''
             #!${pkgs.bash}/bin/bash
-            ${pkgs.slurp}/bin/slurp | ${pkgs.grim}/bin/grim -g - - | ${pkgs.wl-clipboard}/bin/wl-copy
+            ${pkgs.maim}/bin/maim -o -s | ${pkgs.xclip}/bin/xclip -sel clip -t image/png
           '';
         };
       };
@@ -40,8 +40,13 @@
     };
   };
   services.xserver.enable = true;
+  # services.xserver.xrandrHeads should work, but alas
+  services.xserver.displayManager.setupCommands = ''
+    ${pkgs.xorg.xrandr}/bin/xrandr --output DP-4 --auto --output DP-2 --auto --right-of DP-4 --primary --output HDMI-0 --auto --right-of DP-2;
+  '';
   services.xserver.displayManager.lightdm = {
 	  enable = true;
+    background = "#000000";
   };
   environment.sessionVariables = {
     GTK_THEME="Adwaita-dark";