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