[feat] Implement "server" mode.

This allows a much better external control plane than hacky xdotool.

1 files changed, 37 insertions, 0 deletions

diff --git a/extras/HOME/.local/bin/rdectl b/extras/HOME/.local/bin/rdectl
new file mode 100755
index 0000000..7c594f7
--- /dev/null
+++ b/extras/HOME/.local/bin/rdectl
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import socket
+
+
+def get_socket_path() -> str:
+    display = os.environ.get("DISPLAY")
+    if not display:
+        raise RuntimeError("DISPLAY is not set")
+
+    display_suffix = display.replace(":", "", 1)
+
+    runtime_dir = os.environ.get("XDG_RUNTIME_DIR")
+    base_dir = runtime_dir if runtime_dir else "/run/rde"
+
+    return os.path.join(base_dir, f"rde-{display_suffix}.sock")
+
+
+def main() -> int:
+    if len(sys.argv) < 2:
+        print(f"usage: {sys.argv[0]} <command...>", file=sys.stderr)
+        return 1
+
+    path = get_socket_path()
+    message = " ".join(sys.argv[1:]) + "\n"
+
+    with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as sock:
+        sock.connect(path)
+        sock.sendall(message.encode("utf-8"))
+
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())