nvim_terminal_auto_commands.lua

-- Automatically enter insert mode when entering a terminal buffer window
vim.api.nvim_create_autocmd({ "BufEnter", "WinEnter" }, {
  pattern = "term://*",
  callback = function()
    vim.cmd("startinsert")
  end,
  desc = "Enter insert mode when entering terminal buffer window",
})

-- Set up terminal-specific keymaps for window navigation in terminal mode
vim.api.nvim_create_autocmd("TermOpen", {
  pattern = "*",
  callback = function()
    local opts = { noremap = true, silent = true, buffer = true }
    -- <C-\\><C-n> will exit terminal (insert) mode
    vim.keymap.set("t", "<C-h>", "<C-\\><C-n><C-w>h", vim.tbl_extend("force", opts, { desc = "switch to west pane" }))
    vim.keymap.set("t", "<C-j>", "<C-\\><C-n><C-w>j", vim.tbl_extend("force", opts, { desc = "switch to south pane" }))
    vim.keymap.set("t", "<C-k>", "<C-\\><C-n><C-w>k", vim.tbl_extend("force", opts, { desc = "switch to north pane" }))
    vim.keymap.set("t", "<C-l>", "<C-\\><C-n><C-w>l", vim.tbl_extend("force", opts, { desc = "switch to east pane" }))
  end,
  desc = "Set up terminal window navigation in terminal mode",
})