vim-settings/neovim/lua/_colors.lua
ViViDboarder 7afc5f9903 Refactor colorscheme updating
Also add a util for plugin load checks
2021-09-16 13:32:29 -07:00

62 lines
2.2 KiB
Lua

-- Update colors based on environment variables
function _G.update_colors()
local function maybe_set(scope, name, val)
if vim[scope][name] ~= val then
vim[scope][name] = val
return true
end
return false
end
-- Set colorscheme based on env
local utils = require("utils")
local default_color = "solarized"
local env_color = utils.env_default("VIM_COLOR", default_color)
env_color = utils.env_default("NVIM_COLOR", env_color)
-- Read dark mode
local mode = utils.env_default("IS_DARKMODE", "dark")
if vim.g.is_mac == 1 then
local cmd = "defaults read -g AppleInterfaceStyle 2>/dev/null || echo Light"
mode = vim.fn.system(cmd):gsub("\n", ""):lower()
end
-- Update background and theme
local change = false
if mode == "dark" then
env_color = utils.env_default("VIM_COLOR_DARK", env_color)
env_color = utils.env_default("NVIM_COLOR_DARK", env_color)
change = maybe_set("o", "background", "dark")
change = maybe_set("g", "colors_name", env_color) or change
elseif mode == "light" then
env_color = utils.env_default("VIM_COLOR_LIGHT", env_color)
env_color = utils.env_default("NVIM_COLOR_LIGHT", env_color)
change = maybe_set("o", "background", "light")
change = maybe_set("g", "colors_name", env_color) or change
end
-- Update status line theme
if change then
if vim.fn.exists(":AirlineRefresh") == 1 then
vim.cmd(":AirlineRefresh")
elseif utils.is_plugin_loaded("lualine.nvim") then
local lualine_theme = vim.g.colors_name
if lualine_theme == "solarized" then
lualine_theme = lualine_theme .. "_" .. mode
end
require("plugins.lualine").config_lualine(lualine_theme)
end
end
return change and "Changed color to " .. env_color .. " with mode " .. mode or "No change"
end
-- Don't need the autocommand when dark-notify is installed
local utils = require("utils")
if not utils.is_plugin_loaded("dark-notify") then
utils.autocmd("auto_colors", "FocusGained * call v:lua.update_colors()")
end
-- Initial setting of colors
_G.update_colors()