dressing.nvim/lua/dressing/select/builtin.lua

132 lines
3.6 KiB
Lua

local map_util = require("dressing.map_util")
local util = require("dressing.util")
local M = {}
local keymaps = {
{
desc = "Close vim.ui.select without a result",
plug = "<Plug>DressingSelect:Close",
rhs = function()
M.cancel()
end,
},
{
desc = "Select the current vim.ui.select item under the cursor",
plug = "<Plug>DressingSelect:Confirm",
rhs = function()
M.choose()
end,
},
}
M.is_supported = function()
return true
end
local _callback = function(item, idx) end
local _items = {}
local function clear_callback()
_callback = function() end
_items = {}
end
local function close_window()
local callback = _callback
local items = _items
clear_callback()
vim.api.nvim_win_close(0, true)
return callback, items
end
M.select = function(config, items, opts, on_choice)
_callback = on_choice
_items = items
local bufnr = vim.api.nvim_create_buf(false, true)
vim.bo[bufnr].swapfile = false
vim.bo[bufnr].bufhidden = "wipe"
for k, v in pairs(config.buf_options) do
vim.bo[bufnr][k] = v
end
local lines = {}
local highlights = {}
local max_width = opts.prompt and vim.api.nvim_strwidth(opts.prompt) or 1
for idx, item in ipairs(items) do
local prefix = ""
if config.show_numbers then
prefix = "[" .. idx .. "] "
table.insert(highlights, { #lines, prefix:len() })
vim.api.nvim_buf_set_keymap(bufnr, "n", tostring(idx), "", {
callback = function()
local callback, local_items = close_window()
local target_item = local_items[idx]
callback(target_item, idx)
end,
})
end
local line = prefix .. opts.format_item(item)
max_width = math.max(max_width, vim.api.nvim_strwidth(line))
table.insert(lines, line)
end
vim.api.nvim_buf_set_lines(bufnr, 0, -1, true, lines)
vim.bo[bufnr].modifiable = false
local ns = vim.api.nvim_create_namespace("DressingSelect")
for _, hl in ipairs(highlights) do
local lnum, end_col = unpack(hl)
vim.api.nvim_buf_add_highlight(bufnr, ns, "DressingSelectIdx", lnum, 0, end_col)
end
local width = util.calculate_width(config.relative, max_width, config, 0)
local height = util.calculate_height(config.relative, #lines, config, 0)
local row = util.calculate_row(config.relative, height, 0)
local col = util.calculate_col(config.relative, width, 0)
local winopt = {
relative = config.relative,
anchor = "NW",
row = row,
col = col,
border = config.border,
width = width,
height = height,
zindex = 150,
style = "minimal",
}
if vim.fn.has("nvim-0.9") == 1 then
winopt.title = opts.prompt:gsub("^%s*(.-)%s*$", " %1 ")
winopt.title_pos = config.title_pos or "center"
end
winopt = config.override(winopt) or winopt
local winid = vim.api.nvim_open_win(bufnr, true, winopt)
for option, value in pairs(config.win_options) do
vim.api.nvim_set_option_value(option, value, { scope = "local", win = winid })
end
vim.bo[bufnr].filetype = "DressingSelect"
if vim.fn.has("nvim-0.9") == 0 then
util.add_title_to_win(winid, opts.prompt)
end
map_util.create_plug_maps(bufnr, keymaps)
map_util.create_maps_to_plug(bufnr, "n", config.mappings, "DressingSelect:")
vim.api.nvim_create_autocmd("BufLeave", {
desc = "Cancel vim.ui.select",
buffer = bufnr,
nested = true,
once = true,
callback = M.cancel,
})
end
M.choose = function()
local cursor = vim.api.nvim_win_get_cursor(0)
local idx = cursor[1]
local callback, items = close_window()
local item = items[idx]
callback(item, idx)
end
M.cancel = function()
local callback = close_window()
callback(nil, nil)
end
return M