feat: refactor codes

feat: custom rime - disable full_shape punctuations
feat: remap capslock key

modules/darwin/apps.nix

@@ -120,8 +120,14 @@
     # but it's not supported by macOS yet.
     keyboard = {
       enableKeyMapping = true;  # enable key mapping so that we can use `option` as `control`
+
+      # NOTE: do NOT support remap capslock to both control and escape at the same time
       remapCapsLockToControl = false;  # remap caps lock to control
-      remapCapsLockToEscape  = false;  # remap caps lock to escape
+      remapCapsLockToEscape  = true;   # remap caps lock to escape
+
+      # swap left command and left alt, 
+      # so it matches common keyboard layout: `ctrl | command | alt`
+      swapLeftCommandAndLeftAlt = true;  
     };
   };
 

modules/nixos/core-desktop.nix

@@ -171,6 +171,19 @@
   services.gnome.gnome-keyring.enable = true;
   security.pam.services.greetd.enableGnomeKeyring = true;
 
+
+  # A key remapping daemon for linux. 
+  # https://github.com/rvaiya/keyd
+  services.keyd = {
+    enable = true;
+    settings = {
+      main = {
+        # overloads the capslock key to function as both escape (when tapped) and control (when held) 
+        capslock = "overload(control, esc)";
+      };
+    };
+  };
+
   services = {
     dbus.packages = [ pkgs.gcr ];