83 lines
3.3 KiB
Lua
83 lines
3.3 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 = require('lualine.utils.utils')
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local highlight = require('lualine.highlight')
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-- Returns formated string for a section
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function M.draw_section(section, section_name, is_focused)
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local highlight_name = highlight.format_highlight(is_focused,
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'lualine_' .. section_name)
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local status = {}
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for _, component in pairs(section) do
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-- load components into status table
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if type(component) ~= 'table' or
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(type(component) == 'table' and not component.component_no) then
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return '' -- unknown element in section. section posibly not yet loaded
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end
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table.insert(status, component:draw(highlight_name, is_focused))
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end
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-- Flags required for knowing when to remove component separator
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local strip_next_component = false
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local last_component_found = false
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local first_component_no = #section
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-- Check through components to see when component separator need to be removed
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for component_no = #section, 1, -1 do
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if #status[component_no] > 0 then first_component_no = component_no end
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-- Remove component separator with highlight for last component
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if not last_component_found and #status[component_no] > 0 then
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last_component_found = true
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status[component_no] = section[component_no]:strip_separator()
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if section_name < 'c' then
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if type(section[first_component_no].options.separator) ~= 'table' and
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section[1].options.section_separators[1] ~= '' then
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status[component_no] = string.format('%s%%S{%s}',
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status[component_no], section[1]
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.options.section_separators[1])
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end
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end
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end
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-- Remove component separator when color option is used in next component
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if strip_next_component then
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strip_next_component = false
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status[component_no] = section[component_no]:strip_separator()
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end
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-- Remove component separator when color option is used to color background
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if (type(section[component_no].options.color) == 'table' and
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section[component_no].options.color.bg) or
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type(section[component_no].options.color) == 'string' then
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strip_next_component = true
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status[component_no] = section[component_no]:strip_separator()
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end
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if (section[component_no].strip_previous_separator == true) then
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strip_next_component = true
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end
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end
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local left_sparator_string = ''
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if section_name > 'x' and section[first_component_no] and
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type(section[first_component_no].options.separator) ~= 'table' and
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section[1].options.section_separators[2] ~= '' then
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left_sparator_string = string.format('%%s{%s}',
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section[first_component_no].options.ls_separator or
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section[1].options.section_separators[2])
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end
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-- Remove empty strings from status
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status = utils.list_shrink(status)
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local status_str = table.concat(status)
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if #status_str == 0 then return ''
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elseif status_str:find('%%#.*#') == 1 then
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-- Don't prepend with old highlight when the component changes it imidiately
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return left_sparator_string .. status_str
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else
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return left_sparator_string .. highlight_name .. status_str
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end
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end
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return M
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