Files
neovim-config/lua/utils/cmd_window.lua
T

139 lines
4.2 KiB
Lua

-- ╭─────────────────────────────────────────────────────────╮
-- │ Rootiest Command Window │
-- ╰─────────────────────────────────────────────────────────╯
local M = {}
function M.open_floating_window_with_completion()
local buf = vim.api.nvim_create_buf(false, true) -- Create a new buffer
local win_height = 1 -- Height of floating window
local win_width = math.floor(vim.o.columns * 0.25) -- Width of floating window
local row = math.floor((vim.o.lines - win_height) / 2) -- Position row
local col = math.floor((vim.o.columns - win_width) / 2) -- Position column
local win_border = "rounded"
-- Create a floating window
local win = vim.api.nvim_open_win(buf, true, {
relative = "editor",
width = win_width,
height = win_height,
col = col,
row = row,
border = win_border,
})
-- Set the buffer's filetype
vim.bo[buf].filetype = "cmdline" -- Set a unique filetype
-- Variables to manage history
_G.history_index = 0
_G.history_size = vim.fn.histnr("cmd")
-- Function to close the window
M.close_window = function()
vim.api.nvim_win_close(win, true) -- Close the window
-- Switch back to normal mode
vim.api.nvim_command("stopinsert")
end
-- Function to execute the command
M.execute_command = function()
local cmd = vim.api.nvim_buf_get_lines(buf, 0, -1, false)[1] or ""
-- Ensure abbreviation expansion
vim.api.nvim_command("execute 'silent! " .. cmd .. "'")
M.close_window()
end
-- Function to handle navigation and clear buffer
M.handle_history_navigation = function(direction)
-- Update history index
_G.history_index = (_G.history_index + direction) % _G.history_size
if _G.history_index < 0 then
_G.history_index = _G.history_size - 1
end
-- Clear the buffer
vim.api.nvim_buf_set_lines(buf, 0, -1, false, {})
-- Fetch history item and insert into buffer
local history_cmd = vim.fn["histget"]("cmd", _G.history_index + 1)
vim.api.nvim_buf_set_lines(buf, 0, -1, false, { history_cmd or "" })
vim.api.nvim_win_set_cursor(win, { 1, #history_cmd or 0 })
end
-- Setup keymaps for buffer
-- Map <CR> to execute the command
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<CR>",
[[<cmd>lua require('utils.cmd_window').execute_command()<CR>]],
{ noremap = true, silent = true }
)
-- Map <ESC> to close the window
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<ESC>",
[[<cmd>lua require('utils.cmd_window').close_window()<CR>]],
{ noremap = true, silent = true }
)
-- Map <Up> to navigate command history
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<Up>",
[[<cmd>lua require('utils.cmd_window').handle_history_navigation(-1)<CR>]],
{ noremap = true, silent = true }
)
-- Map <Down> to navigate command history
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<Down>",
[[<cmd>lua require('utils.cmd_window').handle_history_navigation(1)<CR>]],
{ noremap = true, silent = true }
)
-- Map <C-n> to navigate command history
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<C-n>",
[[<cmd>lua require('utils.cmd_window').handle_history_navigation(1)<CR>]],
{ noremap = true, silent = true }
)
-- Map <C-p> to navigate command history
vim.api.nvim_buf_set_keymap(
buf,
"i",
"<C-p>",
[[<cmd>lua require('utils.cmd_window').handle_history_navigation(-1)<CR>]],
{ noremap = true, silent = true }
)
-- Start in insert mode
vim.api.nvim_command("startinsert")
end
M.setup = function(opts)
opts = opts or {}
-- Add a user command to open the floating window
vim.api.nvim_create_user_command(
"FloatingWindowWithCompletion",
M.open_floating_window_with_completion,
{}
)
-- Optionally override default command-line behavior
if opts.override_cmdline then
require("data").func.add_keymap(
":",
"<cmd>lua require('utils.cmd_window').open_floating_window_with_completion()<cr>",
"FloatingWindowWithCompletion"
)
end
end
return M