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-- TODO: Customize keymap
local a = vim.api
local actions = require('telescope.actions')
local config = require('telescope.config')
local mappings = {}
mappings.default_mappings = config.values.default_mappings or {
i = {
["<C-n>"] = actions.move_selection_next,
["<C-p>"] = actions.move_selection_previous,
["<C-c>"] = actions.close,
["<Down>"] = actions.move_selection_next,
["<Up>"] = actions.move_selection_previous,
["<CR>"] = actions.goto_file_selection_edit + actions.center,
["<C-x>"] = actions.goto_file_selection_split,
["<C-v>"] = actions.goto_file_selection_vsplit,
["<C-t>"] = actions.goto_file_selection_tabedit,
["<C-u>"] = actions.preview_scrolling_up,
["<C-d>"] = actions.preview_scrolling_down,
-- TODO: When we implement multi-select, you can turn this back on :)
-- ["<Tab>"] = actions.add_selection,
},
n = {
["<esc>"] = actions.close,
["<CR>"] = actions.goto_file_selection_edit + actions.center,
["<C-x>"] = actions.goto_file_selection_split,
["<C-v>"] = actions.goto_file_selection_vsplit,
["<C-t>"] = actions.goto_file_selection_tabedit,
-- TODO: This would be weird if we switch the ordering.
["j"] = actions.move_selection_next,
["k"] = actions.move_selection_previous,
["<Down>"] = actions.move_selection_next,
["<Up>"] = actions.move_selection_previous,
["<C-u>"] = actions.preview_scrolling_up,
["<C-d>"] = actions.preview_scrolling_down,
},
}
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)
if not key_func then
return
end
opts = opts or {}
if opts.noremap == nil then opts.noremap = true end
if opts.silent == nil then opts.silent = true end
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 = "<cmd>"
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)
mode = string.lower(mode)
local key_bind_internal = a.nvim_replace_termcodes(key_bind, true, true, true)
applied_mappings[mode][key_bind_internal] = true
telescope_map(prompt_bufnr, mode, key_bind, key_func, opts)
end
if attach_mappings and not attach_mappings(prompt_bufnr, map) then
return
end
for mode, mode_map in pairs(buffer_keymap or {}) do
mode = string.lower(mode)
for key_bind, key_func in pairs(mode_map) do
local key_bind_internal = a.nvim_replace_termcodes(key_bind, true, true, true)
if not applied_mappings[mode][key_bind_internal] then
applied_mappings[mode][key_bind_internal] = true
telescope_map(prompt_bufnr, mode, key_bind, key_func)
end
end
end
-- TODO: Probalby should not overwrite any keymaps
for mode, mode_map in pairs(mappings.default_mappings) do
mode = string.lower(mode)
for key_bind, key_func in pairs(mode_map) do
local key_bind_internal = a.nvim_replace_termcodes(key_bind, true, true, true)
if not applied_mappings[mode][key_bind_internal] then
applied_mappings[mode][key_bind_internal] = true
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
|
