wip

Author: shadmansaleh

lua/lualine.lua

@@ -17,11 +17,13 @@ local timers = {
   stl_timer = vim.loop.new_timer(),
   tal_timer = vim.loop.new_timer(),
   wb_timer = vim.loop.new_timer(),
+  refresh_check_timer = vim.loop.new_timer(),
   halt_stl_refresh = false, -- mutex ?
   halt_tal_refresh = false,
   halt_wb_refresh = false,
 }
 
+
 local last_focus = {}
 local refresh_real_curwin
 
@@ -333,6 +335,13 @@ local function should_ignore_focus(user_config, win)
   end
 end
 
+local refresh_event_queue = {
+  has_events = false,
+  statusline = {},
+  tabline = {},
+  winbar = {},
+}
+
 ---@alias LualineRefreshOptsKind
 ---| 'all'
 ---| 'tabpage'
@@ -344,7 +353,8 @@ end
 ---@class LualineRefreshOpts
 ---@field scope LualineRefreshOptsKind
 ---@field place LualineRefreshOptsPlace[]
----@field trigger 'timer' | 'init' |'unknown'
+---@field trigger 'timer' | 'init' | 'autocmd' |'unknown'
+---@field queued boolean
 --- Refresh contents of lualine
 ---@param opts LualineRefreshOpts
 local function refresh(opts)
@@ -357,6 +367,15 @@ local function refresh(opts)
     trigger = 'unknown',
   })
 
+
+  if not opts.queued then
+    for _, place in ipairs(opts.place) do
+      refresh_event_queue['has_events'] = true
+      refresh_event_queue[place] = vim.tbl_extend('force', opts, {place = {place}, queued = true})
+    end 
+    return
+  end
+
   local wins = {}
   local old_actual_curwin = vim.g.actual_curwin
 
@@ -449,6 +468,7 @@ end
 local function set_tabline(hide)
   vim.loop.timer_stop(timers.tal_timer)
   timers.halt_tal_refresh = true
+  vim.cmd([[augroup lualine_tal_refresh | exe "autocmd!" | augroup END]])
   if not hide and next(config.tabline) ~= nil then
     vim.loop.timer_start(
       timers.tal_timer,
@@ -458,6 +478,13 @@ local function set_tabline(hide)
         refresh { scope = 'tabpage', place = { 'tabline' }, trigger = 'timer' }
       end, 3, 'lualine: Failed to refresh tabline')
     )
+    modules.utils.define_autocmd(
+      table.concat(config.options.refresh.events, ','),
+      '*',
+      "call v:lua.require'lualine'.refresh({'kind': 'tabpage', 'place': ['tabline'], 'trigger': 'autocmd'})",
+      'lualine_tal_refresh'
+    )
+
     modules.nvim_opts.set('showtabline', config.options.always_show_tabline and 2 or 1, { global = true })
     timers.halt_tal_refresh = false
     vim.schedule(function()
@@ -471,12 +498,37 @@ local function set_tabline(hide)
   end
 end
 
+
+local function check_refresh()
+  if not refresh_event_queue.has_events then return end
+  refresh_event_queue.has_events = nil
+
+  for place, refresh_cmd in pairs(refresh_event_queue) do
+    if type(refresh_cmd) == "table" and refresh_cmd.queued == true then
+      refresh(refresh_cmd)
+      refresh_event_queue[place] = {}
+    end
+  end
+end
+
+local function set_refresh_checker()
+  vim.loop.timer_stop(timers.refresh_check_timer)
+  vim.loop.timer_start(
+    timers.refresh_check_timer,
+    0,
+    config.options.refresh.check,
+    modules.utils.timer_call(timers.refresh_check_timer, 'lualine_refresh_check', check_refresh,
+      3, 'lualine: Failed to refresh statusline')
+  )
+end
+
 --- Sets &statusline option to lualine
 --- adds auto command to redraw lualine on VimResized event
 ---@param hide boolean|nil if should hide statusline
 local function set_statusline(hide)
   vim.loop.timer_stop(timers.stl_timer)
   timers.halt_stl_refresh = true
+  vim.cmd([[augroup lualine_stl_refresh | exe "autocmd!" | augroup END]])
   if not hide and (next(config.sections) ~= nil or next(config.inactive_sections) ~= nil) then
     modules.nvim_opts.set('statusline', '%#lualine_transparent#', { global = true })
     if config.options.globalstatus then
@@ -489,6 +541,12 @@ local function set_statusline(hide)
           refresh { scope = 'window', place = { 'statusline' }, trigger = 'timer' }
         end, 3, 'lualine: Failed to refresh statusline')
       )
+      modules.utils.define_autocmd(
+        table.concat(config.options.refresh.events, ','),
+        '*',
+        "call v:lua.require'lualine'.refresh({'kind': 'window', 'place': ['statusline'], 'trigger': 'autocmd'})",
+        'lualine_stl_refresh'
+      )
     else
       modules.nvim_opts.set('laststatus', 2, { global = true })
       vim.loop.timer_start(
@@ -499,6 +557,13 @@ local function set_statusline(hide)
           refresh { scope = 'tabpage', place = { 'statusline' }, trigger = 'timer' }
         end, 3, 'lualine: Failed to refresh statusline')
       )
+
+      modules.utils.define_autocmd(
+        table.concat(config.options.refresh.events, ','),
+        '*',
+        "call v:lua.require'lualine'.refresh({'kind': 'tabpage', 'place': ['statusline'], 'trigger': 'autocmd'})",
+        'lualine_stl_refresh'
+      )
     end
     timers.halt_stl_refresh = false
     vim.schedule(function()
@@ -524,6 +589,7 @@ end
 local function set_winbar(hide)
   vim.loop.timer_stop(timers.wb_timer)
   timers.halt_wb_refresh = true
+  vim.cmd([[augroup lualine_wb_refresh | exe "autocmd!" | augroup END]])
   if not hide and (next(config.winbar) ~= nil or next(config.inactive_winbar) ~= nil) then
     vim.loop.timer_start(
       timers.wb_timer,
@@ -533,6 +599,13 @@ local function set_winbar(hide)
         refresh { scope = 'tabpage', place = { 'winbar' }, trigger = 'timer' }
       end, 3, 'lualine: Failed to refresh winbar')
     )
+    modules.utils.define_autocmd(
+      table.concat(config.options.refresh.events, ','),
+      '*',
+      "call v:lua.require'lualine'.refresh({'kind': 'tabpage', 'place': ['winbar'], 'trigger': 'autocmd'})",
+      'lualine_wb_refresh'
+    )
+
     timers.halt_wb_refresh = false
     vim.schedule(function()
       -- imediately refresh upon load.
@@ -590,6 +663,7 @@ can use older compatible versions of lualine using compat tags like
   return false
 end
 
+
 -- lualine.setup function
 --- sets new user config
 --- This function doesn't load components/theme etc... They are done before
@@ -613,6 +687,7 @@ local function setup(user_config)
     set_statusline()
     set_tabline()
     set_winbar()
+    set_refresh_checker()
   end
   if package.loaded['lualine.utils.notices'] then
     modules.utils_notices.notice_message_startup()

lua/lualine/config.lua

@@ -21,9 +21,11 @@ local config = {
     always_show_tabline = true,
     globalstatus = vim.go.laststatus == 3,
     refresh = {
-      statusline = 100,
-      tabline = 100,
-      winbar = 100,
+      statusline = 1000,
+      tabline = 1000,
+      winbar = 1000,
+      check = 16,    -- ~60fps
+      events = { 'WinEnter','BufEnter','BufWritePost','SessionLoadPost','FileChangedShellPost','VimResized','Filetype','CursorMoved','CursorMovedI','ModeChanged' }
     },
   },
   sections = {