-- Copyright (c) 2020-2021 shadmansaleh -- MIT license, see LICENSE for more details. local M = {} -- Works as a decorator to expand set_lualine_theme functions -- functionality at runtime . function M.expand_set_theme(func) -- execute a local version of global function to not get in a inf recurtion local set_theme = _G.lualine_set_theme _G.lualine_set_theme = function() set_theme() func() end end -- 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) M.loaded_highlights[highlight_name] = true end -- clears loaded_highlights table and highlights function M.clear_highlights() for highlight_name, _ in pairs(M.loaded_highlights) do vim.cmd('highlight clear ' .. highlight_name) M.loaded_highlights[highlight_name] = nil 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