from tmux to kitty

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

Former-commit-id: 049f6885e51fa8227f6cd7da2a4954387eb6f0d8

home/programs/kitty/default.nix

@@ -3,11 +3,11 @@
   programs.kitty = {
     enable = true;
     keybindings = {
-      "ctrl+shift+j" = "neighboring_window down";
-      "ctrl+shift+h" = "neighboring_window left";
-      "ctrl+shift+l" = "neighboring_window right";
-      "ctrl+shift+k" = "neighboring_window up";
       "ctrl+shift+tab" = "new_tab";
+      "ctrl+j" = ''kitten pass_keys.py bottom ctrl+j'';
+      "ctrl+k" = ''kitten pass_keys.py top    ctrl+k'';
+      "ctrl+h" = ''kitten pass_keys.py left   ctrl+h'';
+      "ctrl+l" = ''kitten pass_keys.py right  ctrl+l'';
     };
     settings = {
       scrollback_lines = 10000;
@@ -26,6 +26,71 @@
       cursor_trail_decay = "0.1 0.4";
       window_padding_width = 10;
       open_url_with = "default";
+      allow_remote_control = "yes";
+      listen_on = "unix:/tmp/mykitty";
     };
   };
+
+  xdg.configFile = {
+    "kitty/pass_keys.py".text = ''
+      import re
+
+      from kittens.tui.handler import result_handler
+      from kitty.key_encoding import KeyEvent, parse_shortcut
+
+
+      def is_window_vim(window, vim_id):
+          fp = window.child.foreground_processes
+          return any(re.search(vim_id, p['cmdline'][0] if len(p['cmdline']) else "", re.I) for p in fp)
+
+
+      def encode_key_mapping(window, key_mapping):
+          mods, key = parse_shortcut(key_mapping)
+          event = KeyEvent(
+              mods=mods,
+              key=key,
+              shift=bool(mods & 1),
+              alt=bool(mods & 2),
+              ctrl=bool(mods & 4),
+              super=bool(mods & 8),
+              hyper=bool(mods & 16),
+              meta=bool(mods & 32),
+          ).as_window_system_event()
+
+          return window.encoded_key(event)
+
+
+      def main():
+          pass
+
+
+      @result_handler(no_ui=True)
+      def handle_result(args, result, target_window_id, boss):
+          direction = args[1]
+          key_mapping = args[2]
+          vim_id = args[3] if len(args) > 3 else "n?vim"
+
+          window = boss.window_id_map.get(target_window_id)
+
+          if window is None:
+              return
+          if is_window_vim(window, vim_id):
+              for keymap in key_mapping.split(">"):
+                  encoded = encode_key_mapping(window, keymap)
+                  window.write_to_child(encoded)
+          else:
+              boss.active_tab.neighboring_window(direction)
+    '';
+    "kitty/neighboring_window.py".text = ''
+      def main():
+          pass
+
+
+      def handle_result(args, result, target_window_id, boss):
+          return boss.active_tab.current_layout.name
+
+
+      handle_result.no_ui = True
+    '';
+  };
 }