148 lines
2.9 KiB
Lua
148 lines
2.9 KiB
Lua
-- TODO: Customize keymap
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local a = vim.api
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local mappings = {}
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local keymap_store = setmetatable({}, {
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__index = function(t, k)
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rawset(t, k, {})
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return rawget(t, k)
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end
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})
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local _mapping_key_id = 0
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local get_next_id = function()
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_mapping_key_id = _mapping_key_id + 1
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return _mapping_key_id
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end
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local assign_function = function(prompt_bufnr, func)
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local func_id = get_next_id()
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keymap_store[prompt_bufnr][func_id] = func
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return func_id
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end
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--[[
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Usage:
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mappings.apply_keymap(42, <function>, {
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n = {
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["<leader>x"] = "just do this string",
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["<CR>"] = function(picker, prompt_bufnr)
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actions.close_prompt()
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> local filename = ...
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vim.cmd(string.format(":e %s", filename))
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end,
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},
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i = {
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}
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})
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--]]
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local telescope_map = function(prompt_bufnr, mode, key_bind, key_func, opts)
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opts = opts or {
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silent = true
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}
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if type(key_func) == "string" then
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a.nvim_buf_set_keymap(
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prompt_bufnr,
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mode,
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key_bind,
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key_func,
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opts or {
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silent = true
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}
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)
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else
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local key_id = assign_function(prompt_bufnr, key_func)
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local prefix = ""
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local map_string
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if opts.expr then
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map_string = string.format(
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[[luaeval("require('telescope.mappings').execute_keymap(%s, %s)")]],
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prompt_bufnr,
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key_id
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)
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else
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if mode == "i" and not opts.expr then
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prefix = "<C-O>"
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end
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map_string = string.format(
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"%s:lua require('telescope.mappings').execute_keymap(%s, %s)<CR>",
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prefix,
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prompt_bufnr,
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key_id
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)
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end
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a.nvim_buf_set_keymap(
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prompt_bufnr,
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mode,
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key_bind,
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map_string,
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opts
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)
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end
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end
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mappings.apply_keymap = function(prompt_bufnr, attach_mappings, buffer_keymap)
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local applied_mappings = { n = {}, i = {} }
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local map = function(mode, key_bind, key_func, opts)
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applied_mappings[mode][key_bind] = true
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telescope_map(prompt_bufnr, mode, key_bind, key_func, opts)
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end
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if attach_mappings and not attach_mappings(prompt_bufnr, map) then
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return
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end
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for mode, mode_map in pairs(buffer_keymap) do
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-- TODO: Probalby should not overwrite any keymaps
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-- local buffer_keymaps
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for key_bind, key_func in pairs(mode_map) do
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if not applied_mappings[mode][key_bind] then
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telescope_map(prompt_bufnr, mode, key_bind, key_func)
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end
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end
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end
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vim.cmd(string.format(
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[[autocmd BufDelete %s :lua require('telescope.mappings').clear(%s)]],
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prompt_bufnr,
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prompt_bufnr
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))
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end
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mappings.execute_keymap = function(prompt_bufnr, keymap_identifier)
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local key_func = keymap_store[prompt_bufnr][keymap_identifier]
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assert(
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key_func,
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string.format(
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"Unsure of how we got this failure: %s %s",
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prompt_bufnr,
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keymap_identifier
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)
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)
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key_func(prompt_bufnr)
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end
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mappings.clear = function(prompt_bufnr)
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keymap_store[prompt_bufnr] = nil
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end
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return mappings
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