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

51 lines
1.8 KiB
Lua

-- Copyright (c) 2020-2021 hoob3rt
-- MIT license, see LICENSE for more details.
local M = {}
local utils = require('lualine.utils.utils')
-- Returns formated string for a section
function M.draw_section(section, highlight_name)
local status = {}
for _, component in pairs(section) do
-- load components into status table
table.insert(status, component:draw(highlight_name))
end
-- Flags required for knowing when to remove component separator
local next_component_colored = false
local last_component_found = false
-- Check through components to see when component separator need to be removed
for component_no = #section, 1, -1 do
-- Remove component separator with highlight for last component
if not last_component_found and #status[component_no] > 0 then
last_component_found = true
status[component_no] = section[component_no]:strip_separator(
highlight_name)
end
-- Remove component separator when color option is used in next component
if next_component_colored then
next_component_colored = false
status[component_no] = section[component_no]:strip_separator()
end
-- Remove component separator when color option is used to color background
if (type(section[component_no].options.color) == 'table' and
section[component_no].options.color.bg) or
type(section[component_no].options.color) == 'string' then
next_component_colored = true
status[component_no] = section[component_no]:strip_separator()
end
end
-- Remove empty strings from status
status = utils.list_shrink(status)
local status_str = table.concat(status)
if status_str:find('%%#.*#') == 1 then
-- Don't prepend with old highlight when the component changes it imidiately
return status_str
else
return highlight_name .. status_str
end
end
return M