Refactor DMS IPC bindings for Niri and Hyprland

- Updated `binds.nix` files for both Niri and Hyprland to utilize a centralized `dmsIpcBinds` structure, improving maintainability and consistency across keybindings.
- Introduced `dmsIpcBinds` in `default.nix` for both modules to streamline the command definitions for DMS IPC calls.
- Enhanced `dms` module to define shared IPC commands, ensuring uniform command formatting for different compositors.

modules/desktop/hyprland/binds.nix

@@ -1,6 +1,6 @@
 { ... }: {
   flake.lib.hyprlandBinds =
-    { lib, dmsEnabled ? false }:
+    { lib, dmsEnabled ? false, dmsIpcBinds }:
     let
       workspaceBinds =
         (builtins.map (i: "Super, ${toString i}, workspace, ${toString i}") (builtins.genList (n: n + 1) 9))
@@ -28,17 +28,15 @@
           "Super, Equal, splitratio, 0.1"
           "AltSuper, Space, togglefloating"
           "Super, P, pin"
-        ]
-        ++ lib.optionals dmsEnabled [
-          "Super, Space, exec, dms ipc call spotlight toggle"
-          "Super, I, exec, dms ipc call settings focusOrToggle"
-          "Super, N, exec, dms ipc call notepad toggle"
-          "ShiftSuper, N, exec, dms ipc call notifications toggle"
-          "Super, M, exec, dms ipc call processlist focusOrToggle"
-          "Super, L, exec, dms ipc call lock lock"
-          "ShiftSuper, V, exec, dms ipc call clipboard toggle"
-        ]
-        ++ [
+        ]        ++ lib.optionals dmsEnabled [
+          "Super, Space, exec, ${dmsIpcBinds.spotlight}"
+          "Super, I, exec, ${dmsIpcBinds.settingsFocus}"
+          "Super, N, exec, ${dmsIpcBinds.notepad}"
+          "ShiftSuper, N, exec, ${dmsIpcBinds.notifications}"
+          "Super, M, exec, ${dmsIpcBinds.processlistFocus}"
+          "Super, L, exec, ${dmsIpcBinds.lock}"
+          "ShiftSuper, V, exec, ${dmsIpcBinds.clipboard}"
+        ] ++ [
           "Super, Tab, cyclenext"
           "Super, Tab, bringactivetotop"
           "Super, left, movefocus, l"

modules/desktop/hyprland/default.nix

@@ -101,7 +101,10 @@
               "sleep 1 && hyprctl reload"
             ];
           }
-          (self.lib.hyprlandBinds { inherit lib dmsEnabled; })
+          (self.lib.hyprlandBinds {
+            inherit lib dmsEnabled;
+            dmsIpcBinds = self.lib.dmsIpcBinds;
+          })
           {
             decoration = {
               rounding = 10;

modules/desktop/niri/binds.nix

@@ -1,6 +1,6 @@
 { ... }: {
   flake.lib.niriBinds =
-    { pkgs, dmsEnabled ? false }:
+    { pkgs, dmsEnabled ? false, dmsIpcBinds }:
     let
       lib = pkgs.lib;
     in
@@ -12,16 +12,16 @@
       "Mod+E"."spawn-sh" = "nemo";
     }
     // lib.optionalAttrs dmsEnabled {
-      "Mod+Space"."spawn-sh" = "dms ipc call spotlight toggle";
-      "Mod+V"."spawn-sh" = "dms ipc call clipboard toggle";
-      "Mod+N"."spawn-sh" = "dms ipc call notepad toggle";
-      "Mod+Shift+N"."spawn-sh" = "dms ipc call notifications toggle";
-      "Mod+M"."spawn-sh" = "dms ipc call processlist toggle";
-      "Mod+B"."spawn-sh" = ''dms ipc call bar toggle name "Main Bar"; dms ipc call bar toggle name "Bar 2"'';
-      "Mod+Shift+B"."spawn-sh" = ''dms ipc call bar toggle name "Bar 2"'';
-      "Mod+A"."spawn-sh" = "dms ipc call ephemera toggle";
-      "Mod+numbersign"."spawn-sh" = "dms ipc call wallpaperCarousel toggle";
-      "Mod+L"."spawn-sh" = "dms ipc call lock lock";
+      "Mod+Space"."spawn-sh" = dmsIpcBinds.spotlight;
+      "Mod+V"."spawn-sh" = dmsIpcBinds.clipboard;
+      "Mod+N"."spawn-sh" = dmsIpcBinds.notepad;
+      "Mod+Shift+N"."spawn-sh" = dmsIpcBinds.notifications;
+      "Mod+M"."spawn-sh" = dmsIpcBinds.processlist;
+      "Mod+B"."spawn-sh" = dmsIpcBinds.barToggle;
+      "Mod+Shift+B"."spawn-sh" = dmsIpcBinds.barToggleBar2;
+      "Mod+A"."spawn-sh" = dmsIpcBinds.ephemera;
+      "Mod+numbersign"."spawn-sh" = dmsIpcBinds.wallpaperCarousel;
+      "Mod+L"."spawn-sh" = dmsIpcBinds.lock;
     }
     // {
       "Mod+Q"."close-window" = _: { };

modules/desktop/niri/default.nix

@@ -21,7 +21,10 @@
       niriBaseSettings =
         pkgs: dmsEnabled:
         self.lib.niriBaseSettings pkgs // {
-          binds = self.lib.niriBinds { inherit pkgs dmsEnabled; };
+          binds = self.lib.niriBinds {
+            inherit pkgs dmsEnabled;
+            dmsIpcBinds = self.lib.dmsIpcBinds;
+          };
         };
 
       mergeNiriSettings =

modules/desktop/shells/dms/default.nix

@@ -46,4 +46,25 @@
   };
 
   flake.homeManagerModules.desktopShellDms = import ./_private/hm.nix;
+
+  # DMS IPC commands shared between Niri and Hyprland keybind tables.
+  # Defines flake.lib.dmsIpcBinds so each compositor formats the same
+  # command string in its native shape — Niri attrs vs Hyprland string-list.
+  # Adding a new DMS keybind requires editing this file plus the
+  # per-compositor bind layout, not the command string.
+  flake.lib.dmsIpcBinds = {
+    spotlight         = "dms ipc call spotlight toggle";
+    clipboard         = "dms ipc call clipboard toggle";
+    notepad           = "dms ipc call notepad toggle";
+    notifications     = "dms ipc call notifications toggle";
+    processlist       = "dms ipc call processlist toggle";
+    # Hyprland prefers focusOrToggle (window-aware); niri subscribes to toggle.
+    processlistFocus  = "dms ipc call processlist focusOrToggle";
+    settingsFocus     = "dms ipc call settings focusOrToggle";
+    barToggle         = ''dms ipc call bar toggle name "Main Bar"; dms ipc call bar toggle name "Bar 2"'';
+    barToggleBar2     = ''dms ipc call bar toggle name "Bar 2"'';
+    ephemera          = "dms ipc call ephemera toggle";
+    wallpaperCarousel = "dms ipc call wallpaperCarousel toggle";
+    lock              = "dms ipc call lock lock";
+  };
 }