refactor: notebook configration

hosts/nb/modules/development/nvim/config/keymappings.lua

@@ -0,0 +1,149 @@
+local generic_opts_any = { noremap = true, silent = true }
+
+local generic_opts = {
+  insert_mode = generic_opts_any,
+  normal_mode = generic_opts_any,
+  visual_mode = generic_opts_any,
+  visual_block_mode = generic_opts_any,
+  command_mode = generic_opts_any,
+  term_mode = { silent = true },
+}
+
+local mode_adapters = {
+  insert_mode = "i",
+  normal_mode = "n",
+  term_mode = "t",
+  visual_mode = "v",
+  visual_block_mode = "x",
+  command_mode = "c",
+}
+
+---@class Keys
+---@field insert_mode table
+---@field normal_mode table
+---@field terminal_mode table
+---@field visual_mode table
+---@field visual_block_mode table
+---@field command_mode table
+
+local defaults = {
+  insert_mode = {
+    -- Move current line / block with Alt-j/k ala vscode.
+    ["<A-j>"] = "<Esc>:m .+1<CR>==gi",
+    -- Move current line / block with Alt-j/k ala vscode.
+    ["<A-k>"] = "<Esc>:m .-2<CR>==gi",
+    -- navigation
+    ["<A-Up>"] = "<C-\\><C-N><C-w>k",
+    ["<A-Down>"] = "<C-\\><C-N><C-w>j",
+    ["<A-Left>"] = "<C-\\><C-N><C-w>h",
+    ["<A-Right>"] = "<C-\\><C-N><C-w>l",
+  },
+
+  normal_mode = {
+    -- Better window movement
+    -- ["<C-h>"] = "<C-w>h",
+    -- ["<C-j>"] = "<C-w>j",
+    -- ["<C-k>"] = "<C-w>k",
+    -- ["<C-l>"] = "<C-w>l",
+    ["<C-j>"] = ":tabprevious<CR><CR>",
+    ["<C-k>"] = ":tabnext<CR><CR>",
+    ["<C-n>"] = ":tabnew<CR><CR>",
+    ["<C-q>"] = ":tabclose<CR><CR>",
+
+    -- Resize with arrows
+    ["<C-Up>"] = ":resize -2<CR>",
+    ["<C-Down>"] = ":resize +2<CR>",
+    ["<C-Left>"] = ":vertical resize -2<CR>",
+    ["<C-Right>"] = ":vertical resize +2<CR>",
+
+    -- Move current line / block with Alt-j/k a la vscode.
+    ["<A-j>"] = ":m .+1<CR>==",
+    ["<A-k>"] = ":m .-2<CR>==",
+
+    -- QuickFix
+    ["]q"] = ":cnext<CR>",
+    ["[q"] = ":cprev<CR>",
+    ["<C-q>"] = ":call QuickFixToggle()<CR>",
+  },
+
+  term_mode = {
+    -- Terminal window navigation
+    ["<C-h>"] = "<C-\\><C-N><C-w>h",
+    ["<C-j>"] = "<C-\\><C-N><C-w>j",
+    ["<C-k>"] = "<C-\\><C-N><C-w>k",
+    ["<C-l>"] = "<C-\\><C-N><C-w>l",
+  },
+
+  visual_mode = {
+    -- Better indenting
+    ["<"] = "<gv",
+    [">"] = ">gv",
+
+    -- ["p"] = '"0p',
+    -- ["P"] = '"0P',
+  },
+
+  visual_block_mode = {
+    -- Move current line / block with Alt-j/k ala vscode.
+    ["<A-j>"] = ":m '>+1<CR>gv-gv",
+    ["<A-k>"] = ":m '<-2<CR>gv-gv",
+  },
+
+  command_mode = {
+    -- navigate tab completion with <c-j> and <c-k>
+    -- runs conditionally
+    ["<C-j>"] = { 'pumvisible() ? "\\<C-n>" : "\\<C-j>"', { expr = true, noremap = true } },
+    ["<C-k>"] = { 'pumvisible() ? "\\<C-p>" : "\\<C-k>"', { expr = true, noremap = true } },
+  },
+}
+
+if vim.fn.has "mac" == 1 then
+  defaults.normal_mode["<A-Up>"] = defaults.normal_mode["<C-Up>"]
+  defaults.normal_mode["<A-Down>"] = defaults.normal_mode["<C-Down>"]
+  defaults.normal_mode["<A-Left>"] = defaults.normal_mode["<C-Left>"]
+  defaults.normal_mode["<A-Right>"] = defaults.normal_mode["<C-Right>"]
+  Log:debug "Activated mac keymappings"
+end
+
+function set_keymaps(mode, key, val)
+  local opt = generic_opts[mode] or generic_opts_any
+  if type(val) == "table" then
+    opt = val[2]
+    val = val[1]
+  end
+  if val then
+    vim.keymap.set(mode, key, val, opt)
+  else
+    pcall(vim.api.nvim_del_keymap, mode, key)
+  end
+end
+
+function load_mode(mode, keymaps)
+  mode = mode_adapters[mode] or mode
+  for k, v in pairs(keymaps) do
+    set_keymaps(mode, k, v)
+  end
+end
+
+function load(keymaps)
+  keymaps = keymaps or {}
+  for mode, mapping in pairs(keymaps) do
+    load_mode(mode, mapping)
+  end
+end
+
+function load_defaults()
+  load(get_defaults())
+  keys = keys or {}
+  for idx, _ in pairs(defaults) do
+    if not keys[idx] then
+      keys[idx] = {}
+    end
+  end
+end
+
+function get_defaults()
+  return defaults
+end
+
+load_defaults()