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U = {}
local flag = false
local function start_timeout()
flag = true
vim.defer_fn(function()
flag = false
end, 50)
end
-- local colors = require("startup.config").colors
local colors = {
background = "#1f2227",
heading_fg = "#009900",
tools_fg = "#009900",
}
U.cursor_pos = vim.api.nvim_win_get_cursor(0)
function U.spaces(amount)
return string.rep(" ", amount)
end
function U.default_header()
local header = {
" /$$ ",
" |__/ ",
" /$$$$$$$ /$$$$$$ /$$$$$$ /$$ /$$ /$$ /$$$$$$/$$$$ ",
"| $$__ $$ /$$__ $$ /$$__ $$| $$ /$$/| $$| $$_ $$_ $$",
"| $$ \\ $$| $$$$$$$$| $$ \\ $$ \\ $$/$$/ | $$| $$ \\ $$ \\ $$",
"| $$ | $$| $$_____/| $$ | $$ \\ $$$/ | $$| $$ | $$ | $$",
"| $$ | $$| $$$$$$$| $$$$$$/ \\ $/ | $$| $$ | $$ | $$",
"|__/ |__/ \\_______/ \\______/ \\_/ |__/|__/ |__/ |__/",
}
return header
end
function U.get_oldfiles(amount)
local oldfiles = { "Last files", "" }
local oldfiles_raw = vim.fn.execute "oldfiles"
local oldfiles_amount = 0
for file in oldfiles_raw:gmatch "[^\n]+" do
if oldfiles_amount >= amount then
break
end
table.insert(oldfiles, (string.sub(file, 4, -1)))
oldfiles_amount = oldfiles_amount + 1
end
local length = U.longest_line(oldfiles) + 2
local oldfiles_aligned = {}
for _, file in ipairs(oldfiles) do
table.insert(oldfiles_aligned, file .. U.spaces(length - #file))
end
return oldfiles_aligned
end
function U.get_oldfiles_directory(amount)
local oldfiles_raw = vim.fn.execute "oldfiles"
local oldfiles_amount = 0
local directory = vim.api.nvim_exec([[pwd]], true)
local oldfiles = { "Last files in " .. directory, " " }
for file in oldfiles_raw:gmatch(directory .. "[^\n]+") do
if oldfiles_amount >= amount then
break
end
table.insert(oldfiles, (string.sub(file, 1, -1)))
oldfiles_amount = oldfiles_amount + 1
end
local length = U.longest_line(oldfiles) + 2
local oldfiles_aligned = {}
for _, file in ipairs(oldfiles) do
table.insert(oldfiles_aligned, file .. U.spaces(length - #file))
end
return oldfiles_aligned
end
-- BUG: weird behavior when displaywidth != strlen
function U.reposition_cursor()
if vim.o.filetype ~= "startup" or flag then
return
end
local column = math.floor(vim.o.columns / 2)
local new_cursor_pos = vim.api.nvim_win_get_cursor(0)
if
-- current line is not empty and cursor is on correct column
-- moved straight up or down
vim.trim(vim.api.nvim_get_current_line())
~= ""
and new_cursor_pos[2] == column
then
return
elseif
-- moved to the right
vim.trim(vim.api.nvim_get_current_line())
~= ""
and new_cursor_pos[2] > column
and new_cursor_pos[1] == U.cursor_pos[1]
then
if new_cursor_pos[1] == vim.api.nvim_buf_line_count(0) then
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1], column })
return
end
local i = 1
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
while vim.trim(vim.api.nvim_get_current_line()) == "" do
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
i = i + 1
end
start_timeout()
elseif
-- moved to the left
vim.trim(vim.api.nvim_get_current_line())
~= ""
and new_cursor_pos[2] < column
and new_cursor_pos[1] == U.cursor_pos[1]
then
local i = 1
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
while vim.trim(vim.api.nvim_get_current_line()) == "" do
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
i = i + 1
end
start_timeout()
elseif
-- moved up to empty line
vim.trim(vim.api.nvim_get_current_line())
== ""
and new_cursor_pos[1] < U.cursor_pos[1]
then
local i = 1
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
while vim.trim(vim.api.nvim_get_current_line()) == "" do
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] - i, column })
i = i + 1
end
start_timeout()
elseif
-- moved down to empty line
vim.trim(vim.api.nvim_get_current_line())
== ""
and new_cursor_pos[1] > U.cursor_pos[1]
then
local i = 1
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
while vim.trim(vim.api.nvim_get_current_line()) == "" do
vim.api.nvim_win_set_cursor(0, { new_cursor_pos[1] + i, column })
i = i + 1
end
start_timeout()
end
U.cursor_pos = vim.api.nvim_win_get_cursor(0)
end
function U.longest_line(lines)
local longest = 0
for _, line in ipairs(lines) do
if vim.fn.strdisplaywidth(line) > longest then
longest = vim.fn.strdisplaywidth(line)
end
end
return longest
end
function U.create_hls()
vim.cmd("hi StartupHeading guifg=" .. colors.heading_fg)
vim.cmd("hi StartupTools guifg=" .. colors.tools_fg)
end
function U.set_buf_options()
vim.api.nvim_buf_set_option(0, "bufhidden", "wipe")
vim.api.nvim_buf_set_option(0, "buftype", "nofile")
vim.cmd [[set nowrap]]
vim.api.nvim_buf_set_option(0, "filetype", "startup")
vim.api.nvim_buf_set_option(0, "swapfile", false)
vim.cmd [[setlocal nonu nornu]]
end
return U
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