add plasma-manager: mouse accel off, fcitx5 input method, overrideConfig

configuration.nix

@@ -133,6 +133,9 @@
     htop
     btop
     (python3.withPackages (ps: with ps; [ pip ]))
+    zip
+    unzip
+    ffmpeg
   ];
 
   # ── 系统状态版本（请勿修改） ────────────────────────────────

flake.lock

@@ -36,10 +36,34 @@
         "type": "github"
       }
     },
+    "plasma-manager": {
+      "inputs": {
+        "home-manager": [
+          "home-manager"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775856943,
+        "narHash": "sha256-b7Mp7P+q2Md5AGt4rjHfMcBykzMumFTen10ST++AuTU=",
+        "owner": "nix-community",
+        "repo": "plasma-manager",
+        "rev": "a524a6160e6df89f7673ba293cf7d78b559eb1a5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "plasma-manager",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "plasma-manager": "plasma-manager"
       }
     }
   },

flake.nix

@@ -12,10 +12,16 @@
       inputs.nixpkgs.follows = "nixpkgs"; # 保证 Home Manager 用的软件版本和系统一致
     };
 
+    plasma-manager = {
+      url = "github:nix-community/plasma-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.home-manager.follows = "home-manager";
+    };
+
   };
 
   # 输出（最终建成的系统）
-  outputs = { self, nixpkgs, home-manager, ... }@inputs: {
+  outputs = { self, nixpkgs, home-manager, plasma-manager, ... }@inputs: {
     nixosConfigurations = {
       # 这里的 "nixos" 是你的系统主机名 (hostname)。
       # 如果你在安装系统时改过主机名，请把这里的 "nixos" 换成你的实际主机名。
@@ -30,6 +36,7 @@
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
+            home-manager.sharedModules = [ plasma-manager.homeModules.plasma-manager ];
 
             # ⚠️ 极其重要：把这里的 "luodh" 替换成你在 NixOS 里登录的实际系统用户名
             home-manager.users.test = import ./home.nix;

home.nix

@@ -77,6 +77,24 @@
     };
   };
 
+  # Plasma 桌面环境接管
+  programs.plasma = {
+    enable = true;
+    overrideConfig = true;  # 每次重建清理旧的迭代设置
+
+    # 关闭鼠标加速度，灵敏度保持默认
+    configFile."kcminputrc" = {
+      "Mouse" = {
+        "XLbInptPointerAccel" = 0.0;     # 关闭鼠标加速度
+        "XLbInptAccelProfileFlat" = true; # 平坦加速曲线
+      };
+    };
+
+    # 虚拟键盘 / 输入法设置为 fcitx5
+    configFile."kwinrc"."Wayland"."InputMethod" =
+      "${pkgs.fcitx5}/share/applications/org.fcitx.Fcitx5.desktop";
+  };
+
   # 这个版本号不要改！它不是软件版本，而是系统状态标识
   home.stateVersion = "25.11";