controller: add auto-connect service

scripts/auto_connect_gamepad

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+list_paired_controllers() {
+    bluetoothctl devices Paired | grep -i 'controller' | cut -d' ' -f2
+}
+
+count_connected_controllers() {
+    bluetoothctl devices Connected | grep -i 'controller' | wc -l
+}
+
+try_to_connect_to_all_controllers() {
+    list_paired_controllers | while read paired_controller; do
+        echo "Trying to connect to controller $paired_controller"
+        bluetoothctl connect "$paired_controller"
+    done
+}
+
+while true; do
+    echo "looping"
+    if test "$(count_connected_controllers)" -ne 0 ; then
+        echo "there is a controller connected, not attempting to connect to any other"
+        sleep 10s
+        continue
+    fi
+    try_to_connect_to_all_controllers
+done

scripts/default.nix

@@ -125,6 +125,11 @@
       zbar
       wl-clipboard
     ];
+    auto_connect_gamepad = [
+      bluez
+      coreutils
+      gnugrep
+    ];
   }
   // lib.mapAttrs import_script {
     wdmenu = ./wdmenu.nix;

user/controller.nix

@@ -1,17 +1,22 @@
+{ pkgs, lib, ... }:
 {
-  config,
+  systemd.user.services = {
-  pkgs,
+    autoconnect-gamepad = {
-  lib,
+      Unit = {
-  inputs,
+        Description = "Attempt to connect to game controllers";
-  ...
+        PartOf = [ "graphical-session.target" ];
-}:
+        After = [ "graphical-session.target" ];
-{
+      };
-  xdg.desktopEntries = {
+      Service = {
-    connect-controller = {
+        ExecStart = lib.getExe pkgs.auto_connect_gamepad;
-      name = "Connect Controller";
+      };
-      exec = "bluetoothctl connect 84:30:95:97:1A:79";
+      Install = {
-      terminal = false;
+        WantedBy = [ "sway-session.target" ];
+      };
     };
+  };
+
+  xdg.desktopEntries = {
     disconnect-controller = {
       name = "Disconnect Controller";
       exec = "bluetoothctl disconnect 84:30:95:97:1A:79";