Consolidate tmux and vim navigation

modules/nvim/lua/keymaps.lua

@@ -129,3 +129,41 @@ vim.keymap.set('n', "<F11>", function() require("dap").step_into() end)
 vim.keymap.set('n', "<F10>", function() require("dap").step_over() end)
 vim.keymap.set('n', "<F12>", function() require("dap").step_out() end)
 
+
+-- Tmux Navigator
+vim.g.tmux_navigator_no_mappings = 1
+
+local function tmux_navigate(direction)
+  local old_win = vim.api.nvim_get_current_win()
+  vim.cmd('wincmd ' .. direction)
+  local new_win = vim.api.nvim_get_current_win()
+  
+  if old_win == new_win then
+     -- We are at the edge, let tmux handle it
+     -- This requires the tmux config to be set up to handle these keys when not in vim,
+     -- BUT since we are IN vim, we need to explicitly trigger the tmux action.
+     -- However, simply sending the key to tmux might just send it back to vim if we aren't careful,
+     -- or we can just run the tmux command directly.
+     
+     local tmux_cmd = ""
+     if direction == 'h' then
+        tmux_cmd = 'if -F "#{pane_at_left}" "previous-window" "select-pane -L"'
+     elseif direction == 'j' then
+        tmux_cmd = 'if -F "#{pane_at_bottom}" "switch-client -n" "select-pane -D"'
+     elseif direction == 'k' then
+        tmux_cmd = 'if -F "#{pane_at_top}" "switch-client -p" "select-pane -U"'
+     elseif direction == 'l' then
+        tmux_cmd = 'if -F "#{pane_at_right}" "next-window" "select-pane -R"'
+     end
+     
+     -- We use vim.fn.system to execute the tmux command
+     -- We need to wrap the command in 'tmux' call
+     vim.fn.system('tmux ' .. tmux_cmd)
+  end
+end
+
+vim.keymap.set('n', '<M-H>', function() tmux_navigate('h') end)
+vim.keymap.set('n', '<M-J>', function() tmux_navigate('j') end)
+vim.keymap.set('n', '<M-K>', function() tmux_navigate('k') end)
+vim.keymap.set('n', '<M-L>', function() tmux_navigate('l') end)
+