added tmux and nvim integration for pane switching

.config/nvim/lazy-lock.json

@@ -14,5 +14,6 @@
   "nvim-treesitter": { "branch": "master", "commit": "dfd4fb330f75595813e2a2f83000580a36dd10ff" },
   "nvim-web-devicons": { "branch": "master", "commit": "a1e6268779411048a87f767a27380089362a0ce2" },
   "plenary.nvim": { "branch": "master", "commit": "9ce85b0f7dcfe5358c0be937ad23e456907d410b" },
-  "telescope.nvim": { "branch": "master", "commit": "54930e1abfc94409e1bb9266e752ef8379008592" }
+  "telescope.nvim": { "branch": "master", "commit": "54930e1abfc94409e1bb9266e752ef8379008592" },
+  "vim-tmux-navigator": { "branch": "master", "commit": "7db70e08ea03b3e4d91f63713d76134512e28d7e" }
 }

.config/nvim/lua/kamu/plugins/tmux.lua

@@ -1,4 +1,12 @@
-return {}
+return {
+  'christoomey/vim-tmux-navigator',
+  config = function()
+    vim.keymap.set('n', '<M-Left>', ':<C-U>TmuxNavigateLeft<cr>', { noremap = true, silent = true })
+    vim.keymap.set('n', '<M-Down>', ':<C-U>TmuxNavigateDown<cr>', { noremap = true, silent = true })
+    vim.keymap.set('n', '<M-Up>', ':<C-U>TmuxNavigateUp<cr>', { noremap = true, silent = true })
+    vim.keymap.set('n', '<M-Right>', ':<C-U>TmuxNavigateRight<cr>', { noremap = true, silent = true })
+  end
+}
 --return {
 --  "aserowy/tmux.nvim",
 --  config = function() 

.config/tmux/tmux.conf

@@ -22,11 +22,12 @@ set -g history-limit 50000
 # reload config
 bind C-r source-file ${XDG_CONFIG_HOME}/tmux/tmux.conf \; display "Config reloaded!"
 
-# switch panes using Alt-arrow without prefix
-bind -n M-Left select-pane -L
-bind -n M-Right select-pane -R
-bind -n M-Up select-pane -U
-bind -n M-Down select-pane -D
+# switch panes using Alt-arrow without prefix - detect when we are in vim and switch panes there instead
+is_vim="ps -o state= -o comm= -t '#{pane_tty}' | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?)(diff)?$'"
+bind -n M-Left  if-shell "$is_vim" 'send-keys M-Left'  'select-pane -L'
+bind -n M-Right if-shell "$is_vim" 'send-keys M-Right'  'select-pane -R'
+bind -n M-Up    if-shell "$is_vim" 'send-keys M-Up'  'select-pane -U'
+bind -n M-Down  if-shell "$is_vim" 'send-keys M-Down'  'select-pane -D'
 
 # vim style switch pane
 bind h select-pane -L