Colemak.lua

vim.g.keyboard_layout = vim.fn.system("defaults read ~/Library/Preferences/com.apple.HIToolbox.plist AppleSelectedInputSources | grep -q Colemak && echo 'colemak' || echo 'qwerty'"):gsub("\n", "")

function ToggleKeyboardLayout()
  if vim.g.keyboard_layout == "colemak" then
    vim.g.keyboard_layout = "qwerty"
    -- Unmap Colemak bindings
    vim.keymap.del({"n", "v", "o"}, "n")
    vim.keymap.del({"n", "v", "o"}, "e")
    vim.keymap.del({"n", "v", "o"}, "i")
    vim.keymap.del("n", "t")
    -- Restore QWERTY defaults
    vim.keymap.set("n", "i", "i", { desc = "Insert mode" })
    vim.keymap.set("n", "o", "o", { desc = "Open line below" })
    -- Window movement for QWERTY
    vim.keymap.set("n", "<leader>h", "<C-w>h", { desc = "Move to left window" })
    vim.keymap.set("n", "<leader>j", "<C-w>j", { desc = "Move to window below" })
    vim.keymap.set("n", "<leader>k", "<C-w>k", { desc = "Move to window above" })
    vim.keymap.set("n", "<leader>l", "<C-w>l", { desc = "Move to right window" })
    print("Switched to QWERTY layout")
  else
    vim.g.keyboard_layout = "colemak"
    -- Colemak movement keys: h,j,k,l -> h,n,e,i
    -- h = left (stays the same)
    -- n = down (j in QWERTY)
    -- e = up (k in QWERTY)  
    -- i = right (l in QWERTY)
    vim.keymap.set({"n", "v", "o"}, "n", "j", { desc = "Move down" })
    vim.keymap.set({"n", "v", "o"}, "e", "k", { desc = "Move up" })
    vim.keymap.set({"n", "v", "o"}, "i", "l", { desc = "Move right" })
    -- Remap insert mode since i is now right movement
    vim.keymap.set("n", "t", "i", { desc = "Insert mode" })
    vim.keymap.set("n", "l", "i", { desc = "Insert mode" })
    -- Search navigation
    vim.keymap.set("n", "k", "n", { desc = "Next search result" })
    vim.keymap.set("n", "<C-w>i", "<C-w>l", { desc = "Move to right window" })
    -- Window movement for Colemak
    vim.keymap.set("n", "<leader>h", "<C-w>h", { desc = "Move to left window" })
    vim.keymap.set("n", "<leader>n", "<C-w>j", { desc = "Move to window below" })
    vim.keymap.set("n", "<leader>e", "<C-w>k", { desc = "Move to window above" })
    vim.keymap.set("n", "<leader>i", "<C-w>l", { desc = "Move to right window" })
    print("Switched to Colemak layout")
  end
end

-- Set initial layout if Colemak
if vim.g.keyboard_layout == "colemak" then
  ToggleKeyboardLayout()
  ToggleKeyboardLayout()
end

-- Key mapping for layout toggle
vim.keymap.set("n", "<leader>kl", ToggleKeyboardLayout, { desc = "Toggle keyboard layout" })