119 lines
4.5 KiB
Lua
119 lines
4.5 KiB
Lua
-- Copyright (c) 2020-2021 hoob3rt
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-- MIT license, see LICENSE for more details.
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local M = { }
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local utils_colors = require "lualine.utils.cterm_colors"
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local function highlight (name, foreground, background, gui)
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local command = {
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'highlight', name,
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'ctermfg=' .. (foreground[2] or utils_colors.get_cterm_color(foreground)),
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'ctermbg=' .. (background[2] or utils_colors.get_cterm_color(background)),
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'cterm=' .. (gui or 'none'),
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'guifg=' .. (foreground[1] or foreground),
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'guibg=' .. (background[1] or background),
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'gui=' .. (gui or 'none'),
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}
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return table.concat(command, ' ')
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end
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local function apply_defaults_to_theme(theme)
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local modes = {'insert', 'visual', 'replace', 'command', 'terminal', 'inactive'}
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for _, mode in ipairs(modes) do
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if not theme[mode] then
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theme[mode] = theme['normal']
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else
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for section_name, section in pairs(theme['normal']) do
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theme[mode][section_name] = (theme[mode][section_name] or section)
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end
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end
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end
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return theme
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end
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function M.create_highlight_groups(theme)
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apply_defaults_to_theme(theme)
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for mode, sections in pairs(theme) do
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for section, colorscheme in pairs(sections) do
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local highlight_group_name = { 'lualine', section, mode }
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vim.cmd(highlight(table.concat(highlight_group_name, '_'), colorscheme.fg, colorscheme.bg, colorscheme.gui))
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end
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end
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end
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local function append_mode(highlight_group)
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local mode = require('lualine.components.mode')()
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if mode == 'VISUAL' or mode == 'V-BLOCK' or mode == 'V-LINE'
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or mode == 'SELECT' or mode == 'S-LINE' or mode == 'S-BLOCK'then
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highlight_group = highlight_group .. '_visual'
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elseif mode == 'REPLACE' or mode == 'V-REPLACE' then
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highlight_group = highlight_group .. '_replace'
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elseif mode == 'INSERT' then
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highlight_group = highlight_group .. '_insert'
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elseif mode == 'COMMAND' or mode == 'EX' or mode == 'MORE' or mode == 'CONFIRM'then
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highlight_group = highlight_group .. '_command'
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elseif mode == 'TERMINAL' then
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highlight_group = highlight_group .. '_terminal'
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else
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highlight_group = highlight_group .. '_normal'
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end
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return highlight_group
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end
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-- Create highlight group with fg bg and gui from theme
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-- section and theme are extracted from @options.self table
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-- @@color has to be { fg = "#rrggbb", bg="#rrggbb" gui = "effect" }
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-- all the color elements are optional if fg or bg is not given options must be provided
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-- So fg and bg can default the themes colors
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-- @@highlight_tag is unique tag for highlight group
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-- returns the name of highlight group
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-- @@options is parameter of component.init() function
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function M.create_component_highlight_group(color , highlight_tag, options)
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if color.bg and color.fg then
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-- When bg and fg are both present we donn't need to set highlighs for
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-- each mode as they will surely look the same
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local highlight_group_name = table.concat({ 'lualine', highlight_tag, 'no_mode'}, '_')
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vim.cmd(highlight(highlight_group_name, color.fg, color.bg, color.gui))
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return highlight_group_name
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end
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local modes = {'normal', 'insert', 'visual', 'replace', 'command', 'terminal', 'inactive'}
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for _, mode in ipairs(modes) do
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local highlight_group_name = { options.self.section, highlight_tag, mode }
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-- convert lualine_a -> a before setting section
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local section = options.self.section:match('lualine_(.*)')
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local bg = (color.bg or options.theme[mode][section]['bg'])
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local fg = (color.fg or options.theme[mode][section]['fg'])
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vim.cmd(highlight(table.concat(highlight_group_name, '_'), fg, bg, color.gui))
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end
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return options.self.section..'_'..highlight_tag
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end
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-- retrieve highlight_groups for components
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-- @@highlight_name received from create_component_highlight_group
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function M.component_format_highlight(highlight_name)
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local highlight_group = [[%#]]..highlight_name
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if highlight_name:find('no_mode') == #highlight_name - #'no_mode' + 1 then
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return highlight_group..'#'
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end
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if vim.g.statusline_winid == vim.fn.win_getid() then
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highlight_group = append_mode(highlight_group)..'#'
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else
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highlight_group = highlight_group..'_inactive'..'#'
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end
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return highlight_group
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end
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function M.format_highlight(is_focused, highlight_group)
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highlight_group = [[%#]] .. highlight_group
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if not is_focused then
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highlight_group = highlight_group .. [[_inactive]]
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else
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highlight_group = append_mode(highlight_group)
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end
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highlight_group = highlight_group .. [[#]]
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return highlight_group
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end
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return M
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