Port to 20.03

sway/default.nix

@@ -0,0 +1,30 @@
+{ config, pkgs, lib, ...}:
+{
+  home.packages = with pkgs; [
+    qt5.qtwayland
+    swaylock
+    swayidle
+    xwayland
+    mako
+    kanshi
+    i3blocks
+    termite
+    bemenu
+    xss-lock
+  ];
+
+  wayland.windowManager.sway =  {
+    enable = true;
+    config = null;
+    extraConfig = (builtins.readFile ./config);
+    extraSessionCommands = ''
+      export SDL_VIDEODRIVER=wayland
+      # needs qt5.qtwayland in systemPackages
+      export QT_QPA_PLATFORM=wayland
+      export QT_WAYLAND_DISABLE_WINDOWDECORATION="1"
+      # Fix for some Java AWT applications (e.g. Android Studio),
+      # use this if they aren't displayed properly:
+      export _JAVA_AWT_WM_NONREPARENTING=1
+    '';
+  };
+}