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local M = {}
local ns = vim.api.nvim_create_namespace "startup"
local opts = { noremap = true, silent = true }
local settings = {
-- every line should be same width without escaped \
header = {
" /$$ ",
" |__/ ",
" /$$$$$$$ /$$$$$$ /$$$$$$ /$$ /$$ /$$ /$$$$$$/$$$$ ",
"| $$__ $$ /$$__ $$ /$$__ $$| $$ /$$/| $$| $$_ $$_ $$",
"| $$ \\ $$| $$$$$$$$| $$ \\ $$ \\ $$/$$/ | $$| $$ \\ $$ \\ $$",
"| $$ | $$| $$_____/| $$ | $$ \\ $$$/ | $$| $$ | $$ | $$",
"| $$ | $$| $$$$$$$| $$$$$$/ \\ $/ | $$| $$ | $$ | $$",
"|__/ |__/ \\_______/ \\______/ \\_/ |__/|__/ |__/ |__/",
},
-- name which will be displayed and command
tools = {
[" Find File"] = {"Telescope find_files", "<leader>ff"},
[" Find Word"] = {"Telescope live_grep", "<leader>lg"},
[" Recent Files"] = {"Telescope oldfiles", "<leader>of"},
[" File Browser"] = {"Telescope file_browser", "<leader>fb"},
[" Config Files"] = {'lua require("telescope.builtin").find_files({cwd="~/.config"})', "<leader>cf"},
[" Colorschemes"] = {"Telescope colorscheme", "<leader>cs"},
[" New File"] = {"lua require'startup'.new_file()", "<leader>nf"},
["ﲉ Help Files"] = {"Telescope help_tags", "<leader>fh"},
},
options = {
align = "center", -- center or padding
mapping_names = true,
padding = 5, -- only used if align padding
},
colors = {
background = "#1f2227",
heading_fg = "#009900",
tools_fg = "#009900",
}
}
local function spaces(amount)
return string.rep(" ", amount)
end
local function longest_line(lines)
local longest = 0
for _, line in ipairs(lines) do
if line:len() > longest then
longest = line:len()
end
end
return longest
end
local function create_mappings()
vim.api.nvim_buf_set_keymap(
0,
"n",
"<CR>",
":lua require'startup'.check_line()<CR>",
opts
)
for _, cmd in pairs(settings.tools) do
vim.api.nvim_buf_set_keymap(0, "n", cmd[2], "<cmd>"..cmd[1].."<CR>", opts)
end
end
function M.new_file()
local name = vim.fn.input "Filename: > "
vim.cmd("e " .. name)
end
function M.check_line()
local line = vim.api.nvim_get_current_line()
for name, command in pairs(settings.tools) do
if line:match(name) then
vim.cmd(command[1])
end
end
end
local function create_hls()
vim.cmd('highlight StartupHeading guibg=' .. settings.colors.background .. ' guifg=' .. settings.colors.heading_fg)
vim.cmd('highlight StartupTools guibg=' .. settings.colors.background .. ' guifg=' .. settings.colors.tools_fg)
end
local function align(dict)
local aligned = {}
if settings.options.align == "center" then
local max_len = longest_line(dict)
local space_left = vim.o.columns - max_len
for _, line in ipairs(dict) do
table.insert(aligned, spaces(space_left/2).. line)
end
elseif settings.options.align == "padding" then
for _, line in ipairs(dict) do
table.insert(aligned, spaces(settings.options.padding).. line)
end
end
return aligned
end
local count = 1
local function set_lines(len, text, hi, pass)
vim.api.nvim_buf_set_lines(0, count, count + len, false, align(text))
vim.api.nvim_win_set_cursor(0, { count, 0 })
if pass then
vim.g.section_length = count
end
for i = count, count + len do
vim.api.nvim_buf_add_highlight(0, ns, hi, i, 1, -1)
end
count = count + len
end
local function empty()
set_lines(1, { " " }, "StartupTools")
end
local function set_options()
vim.api.nvim_buf_set_option(0, "bufhidden", "wipe")
vim.api.nvim_buf_set_option(0, "buftype", "nofile")
vim.api.nvim_buf_set_option(0, "swapfile", false)
vim.cmd [[set nonumber
set norelativenumber
]]
end
function M.display()
local limited_space = false
local rly_limited_space = false
if vim.o.lines < (#settings.header + (#settings.tools*2) + 20) then
limited_space = true
end
create_mappings()
create_hls()
-- vim.api.nvim_buf_set_keymap(0, "n", "j", "2j", opts)
-- vim.api.nvim_buf_set_keymap(0, "n", "k", "2k", opts)
if not limited_space then
empty()
end
set_lines(#settings.header, settings.header, "StartupHeading")
local toolnames = {}
for name, cmd in pairs(settings.tools) do
if not limited_space then
table.insert(toolnames, " ")
end
if settings.options.mapping_names then
table.insert(toolnames, name .. " " .. cmd[2])
else
table.insert(toolnames, name)
end
end
empty()
set_lines(#toolnames, toolnames, "StartupTools")
vim.cmd [[silent! %s/\s\+$//]] -- clear trailing whitespace
set_options()
if limited_space then
vim.api.nvim_win_set_cursor(0, {#settings.header + 3, math.floor(vim.o.columns/2)})
end
end
function M.setup(update)
settings = vim.tbl_deep_extend("force", settings, update or {})
vim.cmd [[
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * lua if vim.fn.argc() == 0 and vim.fn.exists('std_in') then require"startup".display() end
]]
end
return M
|
