Add new input module

README.md

@@ -34,6 +34,7 @@ At the moment `plasma-manager` supports configuring the following:
 - Shortcuts (via the `shortcuts` module)
 - Hotkeys (via the `hotkeys` module)
 - Panels (via the `panels` module)
+- Keyboards (via the `input` module)
 - Screen locker (via the `kscreenlocker` module)
 - Fonts (via the `fonts` module)
 - Window Rules (via the `window-rules` module)

modules/default.nix

@@ -15,6 +15,7 @@
     ./windows.nix
     ./window-rules.nix
     ./workspace.nix
+    ./input.nix
   ];
 
   options.programs.plasma.enable = lib.mkEnableOption ''

modules/input.nix

@@ -0,0 +1,104 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.plasma;
+  numlockSettings = [ "on" "off" "unchanged" ];
+in
+{
+  # Keyboard options
+  options.programs.plasma.input.keyboard = {
+    layouts = mkOption {
+      type = with types; nullOr (listOf str);
+      default = null;
+      example = [ "es" "us" ];
+      description = ''
+        Keyboard layouts to use.
+      '';
+    };
+    numlockOnStartup = mkOption {
+      type = with types; nullOr (enum numlockSettings);
+      default = null;
+      example = "on";
+      description = ''
+        Numpad settings at startup.
+      '';
+    };
+  };
+
+  config.programs.plasma.configFile."kxkbrc" = mkIf (cfg.enable) (
+    mkMerge [
+      (
+        mkIf (cfg.input.keyboard.layouts != null) {
+          Layout = {
+            Use.value = true;
+            LayoutList.value = strings.concatStringsSep "," cfg.input.keyboard.layouts;
+          };
+        }
+      )
+    ]
+  );
+
+  # Trackpad options
+
+  options.programs.plasma.input.touchpad = {
+    enable = mkOption {
+      type = with types; nullOr bool;
+      default = null;
+      example = true;
+      description = ''
+        Enables or disables the trackpad
+      '';
+    };
+    name = mkOption {
+      type = with types; nullOr str;
+      default = null;
+      example = "PNP0C50:00 0911:5288 Touchpad";
+      description = ''
+        The name of the trackpad.
+        You can find it out running cat /proc/bus/input/devices | grep -i touchpad
+      '';
+    };
+    vendorId = mkOption {
+      type = with types; nullOr str;
+      default = null;
+      example = "2321";
+      description = ''
+        The vendor ID of the trackpad
+        You can find it out running cat /proc/bus/input/devices | grep -i touchpad
+      '';
+    };
+    productId = mkOption {
+      type = with types; nullOr str;
+      default = null;
+      example = "21128";
+      description = ''
+        The product ID of the trackpad
+        You can find it out running cat /proc/bus/input/devices | grep -i touchpad
+      '';
+    };
+  };
+
+  config.programs.plasma.configFile."kcminputrc" =
+    let
+      touchName = cfg.input.touchpad.name;
+      touchVendor = cfg.input.touchpad.vendorId;
+      touchProduct = cfg.input.touchpad.productId;
+    in
+    mkIf (cfg.enable) (
+      mkMerge [
+        (
+          # For some reason the numlock settings are here and not on kxkbrc?
+          mkIf (cfg.input.keyboard.numlockOnStartup != null) {
+            Keyboard.NumLock.value = lists.findFirstIndex (x: x == cfg.input.keyboard.numlockOnStartup) null numlockSettings;
+          }
+        )
+        (
+          mkIf (cfg.input.touchpad.enable != null) {
+            "Libinput/${touchVendor}/${touchProduct}/${touchName}".Enabled.value = cfg.input.touchpad.enable;
+          }
+        )
+      ]
+    );
+}

script/write_config.py

@@ -3,6 +3,7 @@
 import os
 import re
 import sys
+import os
 from dataclasses import dataclass
 from typing import Dict, Optional, Self, Set
 
@@ -76,6 +77,21 @@ def escape(s: str) -> str:
             s[i] = "\\s"
     return "".join(s)
 
+# Some values need to be "transformed", such as being converted from hex to decimal
+def transformValues(dOrig):
+    d = dOrig
+
+    cPath = os.path.expanduser("~/.config/kcminputrc")
+    if cPath in d:
+        for itemStr in list(d[cPath]):
+            if itemStr.startswith("Libinput/"):
+                item = d[cPath].pop(itemStr)
+                itemStrList = itemStr.split("/")
+                itemStrList[1] = str(int(itemStrList[1],16))
+                itemStrList[2] = str(int(itemStrList[2],16))
+                itemStr = "/".join(itemStrList)
+                d[cPath][itemStr] = item
+    return d;
 
 @dataclass
 class ConfigValue:
@@ -329,7 +345,8 @@ def main():
 
     reset_files = set(sys.argv[2].split(" ")) if sys.argv[2] != "" else set()
     immutable_by_default = bool(sys.argv[3])
-    d = json.loads(json_str)
+    dRaw = json.loads(json_str)
+    d = transformValues(dRaw)
     remove_config_files(d, reset_files)
     write_configs(d, reset_files, immutable_by_default)