xextras: init with net-current-desktop

1 files changed, 19 insertions, 0 deletions

diff --git a/pkgs/simple/xextras.nix b/pkgs/simple/xextras.nix
new file mode 100644
index 0000000..c9c0308
--- /dev/null
+++ b/pkgs/simple/xextras.nix
@@ -0,0 +1,19 @@
+{ pkgs }:
+
+pkgs.write "xextras" {
+  "/bin/net-current-desktop".link =
+    pkgs.writeDash "net-current-desktop" ''
+      # SYNOPSIS
+      #   net-current-desktop
+      #
+      ${pkgs.xorg.xprop}/bin/xprop -notype -root 32i _NET_CURRENT_DESKTOP 8s _NET_DESKTOP_NAMES |
+      ${pkgs.jq}/bin/jq -Rrs '
+        split("\n") | map(select(.!="") | split(" = ") | { name: .[0], value: .[1] }) | from_entries |
+        {
+          _NET_CURRENT_DESKTOP: (._NET_CURRENT_DESKTOP | tonumber),
+          _NET_DESKTOP_NAMES: (._NET_DESKTOP_NAMES | "[\(ltrimstr("._NET_DESKTOP_NAMES = "))]" | fromjson)
+        } |
+        ._NET_DESKTOP_NAMES[._NET_CURRENT_DESKTOP]
+      '
+    '';
+}