116 lines
3.9 KiB
Lua
116 lines
3.9 KiB
Lua
local highlight = require 'lualine.highlight'
|
|
local Buffer = require('lualine.utils.class'):extend()
|
|
|
|
---intialize a new buffer from opts
|
|
---@param opts table
|
|
function Buffer:init(opts)
|
|
assert(opts.bufnr, 'Cannot create Buffer without bufnr')
|
|
self.bufnr = opts.bufnr
|
|
self.options = opts.options
|
|
self.highlights = opts.highlights
|
|
self:get_props()
|
|
end
|
|
|
|
---setup icons, modified status for buffer
|
|
function Buffer:get_props()
|
|
self.file = vim.fn.bufname(self.bufnr)
|
|
self.buftype = vim.api.nvim_buf_get_option(self.bufnr, 'buftype')
|
|
self.filetype = vim.api.nvim_buf_get_option(self.bufnr, 'filetype')
|
|
local modified = self.options.show_modified_status and vim.api.nvim_buf_get_option(self.bufnr, 'modified')
|
|
local modified_icon = self.options.icons_enabled and ' ●' or ' +'
|
|
self.modified_icon = modified and modified_icon or ''
|
|
self.icon = ''
|
|
if self.options.icons_enabled then
|
|
local dev
|
|
local status, _ = pcall(require, 'nvim-web-devicons')
|
|
if not status then
|
|
dev, _ = '', ''
|
|
elseif self.filetype == 'TelescopePrompt' then
|
|
dev, _ = require('nvim-web-devicons').get_icon 'telescope'
|
|
elseif self.filetype == 'fugitive' then
|
|
dev, _ = require('nvim-web-devicons').get_icon 'git'
|
|
elseif self.filetype == 'vimwiki' then
|
|
dev, _ = require('nvim-web-devicons').get_icon 'markdown'
|
|
elseif self.buftype == 'terminal' then
|
|
dev, _ = require('nvim-web-devicons').get_icon 'zsh'
|
|
elseif vim.fn.isdirectory(self.file) == 1 then
|
|
dev, _ = '', nil
|
|
else
|
|
dev, _ = require('nvim-web-devicons').get_icon(self.file, vim.fn.expand('#' .. self.bufnr .. ':e'))
|
|
end
|
|
if dev then
|
|
self.icon = dev .. ' '
|
|
end
|
|
end
|
|
end
|
|
|
|
---returns rendered buffer
|
|
---@return string
|
|
function Buffer:render()
|
|
local name
|
|
if self.ellipse then -- show elipsis
|
|
name = '...'
|
|
else
|
|
name = string.format(' %s%s%s ', self.icon, self:name(), self.modified_icon)
|
|
end
|
|
self.len = vim.fn.strchars(name)
|
|
|
|
-- setup for mouse clicks
|
|
local line = string.format('%%%s@LualineSwitchBuffer@%s%%T', self.bufnr, name)
|
|
-- apply highlight
|
|
line = highlight.component_format_highlight(self.highlights[(self.current and 'active' or 'inactive')]) .. line
|
|
|
|
-- apply separators
|
|
if self.options.self.section < 'lualine_x' and not self.first then
|
|
local sep_before = self:separator_before()
|
|
line = sep_before .. line
|
|
self.len = self.len + vim.fn.strchars(sep_before)
|
|
elseif self.options.self.section >= 'lualine_x' and not self.last then
|
|
local sep_after = self:separator_after()
|
|
line = line .. sep_after
|
|
self.len = self.len + vim.fn.strchars(sep_after)
|
|
end
|
|
return line
|
|
end
|
|
|
|
---apply separator before current buffer
|
|
---@return string
|
|
function Buffer:separator_before()
|
|
if self.current or self.aftercurrent then
|
|
return '%S{' .. self.options.section_separators.left .. '}'
|
|
else
|
|
return self.options.component_separators.left
|
|
end
|
|
end
|
|
|
|
---apply separator after current buffer
|
|
---@return string
|
|
function Buffer:separator_after()
|
|
if self.current or self.beforecurrent then
|
|
return '%s{' .. self.options.section_separators.right .. '}'
|
|
else
|
|
return self.options.component_separators.right
|
|
end
|
|
end
|
|
|
|
---returns name of current buffer after filtering special buffers
|
|
---@return string
|
|
function Buffer:name()
|
|
if self.options.filetype_names[self.filetype] then
|
|
return self.options.filetype_names[self.filetype]
|
|
elseif self.buftype == 'help' then
|
|
return 'help:' .. vim.fn.fnamemodify(self.file, ':t:r')
|
|
elseif self.buftype == 'terminal' then
|
|
local match = string.match(vim.split(self.file, ' ')[1], 'term:.*:(%a+)')
|
|
return match ~= nil and match or vim.fn.fnamemodify(vim.env.SHELL, ':t')
|
|
elseif vim.fn.isdirectory(self.file) == 1 then
|
|
return vim.fn.fnamemodify(self.file, ':p:.')
|
|
elseif self.file == '' then
|
|
return '[No Name]'
|
|
end
|
|
return self.options.show_filename_only and vim.fn.fnamemodify(self.file, ':t')
|
|
or vim.fn.pathshorten(vim.fn.fnamemodify(self.file, ':p:.'))
|
|
end
|
|
|
|
return Buffer
|