make hypr-nvim smart-nav better, now use ipc for quicker communication than synth binds

dot_config/nvim/lua/hypr-nav.lua

@@ -0,0 +1,56 @@
+local direction_map = {
+  left = "h",
+  right = "l",
+  up = "k",
+  down = "j"
+}
+
+local runtime_dir = os.getenv("XDG_RUNTIME_DIR") or "/tmp"
+local function get_stable_id()
+  local handle = io.popen("hyprctl activewindow -j 2>/dev/null")
+  local data = handle:read("*a")
+  handle:close()
+  local ok, json = pcall(vim.json.decode, data)
+  if ok and json and json.stableId then
+    return tostring(json.stableId)
+  end
+  return "unknown"
+end
+
+local stable_id = get_stable_id()
+
+local socket_path = string.format("%s/nvim-hypr-nav-%s.sock", runtime_dir, stable_id)
+
+local server = vim.uv.new_pipe(false)
+server:bind(socket_path)
+server:listen(128, function(err)
+  if err then vim.notify("hypr-nav: " .. err, vim.log.levels.ERROR) end
+
+  local conn = vim.uv.new_pipe(false)
+  server:accept(conn)
+
+  conn:read_start(function(err, data)
+    if not data then
+      pcall(function() conn:close() end)
+      return
+    end
+    local direction = data:match("nav:(%a+)")
+    if not direction then
+      pcall(function() conn:write("invalid\n") end)
+
+      pcall(function() conn:close() end)
+      return
+    end
+
+    vim.schedule(function()
+      local before = vim.api.nvim_get_current_win()
+      local wincmd_dir = direction_map[direction] or direction:sub(1, 1)
+      vim.cmd("wincmd " .. wincmd_dir)
+      local after = vim.api.nvim_get_current_win()
+      local response = (before == after) and "failed\n" or "success\n"
+
+      pcall(function() conn:write(response) end)
+      pcall(function() conn:close() end)
+    end)
+  end)
+end)