i3: disable middle mouse paste

This reverts commit 015a277c47.

modules/i3/default.nix

@@ -10,19 +10,9 @@ in with theme.colors; {
     wmctrl # For rofi power menu
     xborders # Active window borders
     maim xdotool unclutter # Active window screenshots
-    xbindkeys xsel xdotool # Disable middle mouse paste
+    xsel # Disable middle mouse paste
   ];
 
-  home.file = {
-    # Disable middle mouse paste
-    # May require running xbindkeys -p first time after rebuild
-    # https://unix.stackexchange.com/a/277488
-    ".xbindkeysrc".text = ''
-      "echo -n | xsel -n -i; pkill xbindkeys; xdotool click 2; xbindkeys"
-      b:2 + Release
-    '';
-  };
-
   # Screenshots
   services.flameshot = {
     enable = true;
@@ -74,7 +64,32 @@ in with theme.colors; {
       };
       startup = [
         {
-          command = "(systemctl --user restart polybar &) && (nm-applet &) && (nextcloud &) && (xborders --border-rgb ${builtins.substring 1 6 primary}ff --border-radius 12 --border-width 2 --smart-hide-border --disable-version-warning)";
+          command = "systemctl --user restart polybar &";
+          always = true;
+          notification = false;
+        }
+        {
+          command = "nm-applet &";
+          always = true;
+          notification = false;
+        }
+        {
+          command = "nextcloud &";
+          always = true;
+          notification = false;
+        }
+        {
+          command = "(xborders --border-rgb ${builtins.substring 1 6 primary}ff --border-radius 12 --border-width 2 --smart-hide-border --disable-version-warning) &";
+          always = true;
+          notification = false;
+        }
+        {
+          # Disable middle mouse paste
+          # https://unix.stackexchange.com/a/501445
+          # Other solutions such as the xbindkeys approach
+          # will break other functionality, such as panning
+          # https://unix.stackexchange.com/a/277488
+          command = "(while true; do xsel -fin < /dev/null; done) &";
           always = true;
           notification = false;
         }