nix/config/nvim/lua/theme.lua
2026-03-20 16:39:49 -04:00

111 lines
3 KiB
Lua

local M = {}
local xdg_state_home = vim.env.XDG_STATE_HOME or (vim.env.HOME .. "/.local/state")
local theme_state_file = xdg_state_home .. "/theme/current"
local active_schemes = {
cozybox = true,
["cozybox-light"] = true,
}
local function ensure_server_socket()
local socket_path = ("/tmp/nvim-%d.sock"):format(vim.fn.getpid())
local active_servers = vim.fn.serverlist()
for _, server in ipairs(active_servers) do
if server == socket_path then return end
end
local stat = vim.uv.fs_stat(socket_path)
if stat and stat.type == "socket" then vim.fn.delete(socket_path) end
vim.fn.serverstart(socket_path)
end
local function apply_cozybox_overrides()
local links = {
{ "DiffsAdd", "DiffAdd" },
{ "DiffsDelete", "DiffDelete" },
{ "DiffsChange", "DiffChange" },
{ "DiffsText", "DiffText" },
{ "DiffsClear", "Normal" },
}
for _, pair in ipairs(links) do
vim.api.nvim_set_hl(0, pair[1], { link = pair[2], default = false })
end
end
local function read_mode()
local ok, lines = pcall(vim.fn.readfile, theme_state_file)
if not ok or not lines or not lines[1] then return "dark" end
local mode = vim.trim(lines[1])
if mode == "light" then return "light" end
return "dark"
end
local function colorscheme_for_mode(mode)
if mode == "light" then return "cozybox-light" end
return "cozybox"
end
function M.statusline_label()
local mode = vim.g.cozybox_theme_mode or read_mode()
local scheme = vim.g.colors_name or colorscheme_for_mode(mode)
local expected_scheme = colorscheme_for_mode(mode)
if scheme == expected_scheme then return "theme:" .. mode end
return ("theme:%s/%s"):format(mode, scheme)
end
function M.apply(mode)
local next_mode = mode or read_mode()
local next_scheme = colorscheme_for_mode(next_mode)
if vim.o.background ~= next_mode then vim.o.background = next_mode end
if vim.g.cozybox_theme_mode ~= next_mode or vim.g.colors_name ~= next_scheme then vim.cmd.colorscheme(next_scheme) end
vim.g.cozybox_theme_mode = next_mode
apply_cozybox_overrides()
local ok_reload, fzf_reload = pcall(require, "config.fzf_reload")
if ok_reload then pcall(fzf_reload.reload) end
vim.schedule(function()
local ok, lualine = pcall(require, "lualine")
if ok then pcall(lualine.refresh, { place = { "statusline" } }) end
pcall(vim.cmd, "redraw!")
end)
end
function M.setup()
local group = vim.api.nvim_create_augroup("cozybox_theme_sync", { clear = true })
ensure_server_socket()
vim.api.nvim_create_autocmd("ColorScheme", {
group = group,
callback = function()
if active_schemes[vim.g.colors_name] then apply_cozybox_overrides() end
end,
})
vim.api.nvim_create_autocmd({ "VimEnter", "FocusGained" }, {
group = group,
callback = function() M.apply() end,
})
vim.api.nvim_create_user_command("ThemeSync", function(opts)
local mode = opts.args ~= "" and opts.args or nil
M.apply(mode)
end, {
nargs = "?",
complete = function() return { "dark", "light" } end,
})
M.apply()
end
return M