lualine.nvim/lua/lualine/utils/utils.lua

50 lines
1.6 KiB
Lua

-- Copyright (c) 2020-2021 shadmansaleh
-- MIT license, see LICENSE for more details.
local M = {}
-- Note for now only works for termguicolors scope can be background or foreground
function M.extract_highlight_colors(color_group, scope)
if vim.fn.hlexists(color_group) == 0 then return nil end
local gui_colors = vim.api.nvim_get_hl_by_name(color_group, true)
local cterm_colors = vim.api.nvim_get_hl_by_name(color_group, false)
local color = {
ctermfg = cterm_colors.foreground,
ctermbg = cterm_colors.background
}
if gui_colors.background then
color.guibg = string.format('#%06x', gui_colors.background)
gui_colors.background = nil
end
if gui_colors.foreground then
color.guifg = string.format('#%06x', gui_colors.foreground)
gui_colors.foreground = nil
end
cterm_colors.background = nil
cterm_colors.foreground = nil
color = vim.tbl_extend('keep', color, gui_colors, cterm_colors)
if scope then return color[scope] end
return color
end
-- table to store the highlight names created by lualine
M.loaded_highlights = {}
-- sets loaded_highlights table
function M.save_highlight(highlight_name, highlight_args)
M.loaded_highlights[highlight_name] = highlight_args
end
function M.reload_highlights()
local highlight = require('lualine.highlight')
for _, highlight_args in pairs(M.loaded_highlights) do
highlight.highlight(unpack(highlight_args))
end
end
-- determine if an highlight exist and isn't cleared
function M.highlight_exists(highlight_name)
return M.loaded_highlights[highlight_name] and true or false
end
return M