fix shortmess, add trouble toggle function

lua/config/settings.lua

@@ -44,11 +44,8 @@ opt.foldlevel = 0
 opt.number = true
 opt.hidden = true
 -- opt.shortmess = add { 'I' } -- Don't pass messages to ins-completion-menu.
-opt.shortmess = {
-	I = true,
-	o = true,
-}
-opt.cmdheight = 0
+opt.shortmess:append('I', 'W', 's')
+opt.cmdheight = 1
 opt.scrolloff = 15
 opt.iskeyword:prepend { '-' }
 opt.inccommand = 'nosplit'
@@ -72,3 +69,12 @@ vim.api.nvim_create_autocmd({ 'BufReadPost' }, { pattern = { '*' }, command = 's
 vim.api.nvim_create_autocmd({ 'BufWinLeave' }, { pattern = { '?*' }, command = 'mkview' })
 vim.api.nvim_create_autocmd({ 'BufReadPost' }, { pattern = { '?*' }, command = 'silent! loadview' })
 -- }}}
+function ToggleTroubleAuto()
+	local ok, trouble = pcall(require, 'trouble')
+	if ok then
+		vim.defer_fn(function()
+			vim.cmd 'cclose'
+			trouble.open 'quickfix'
+		end, 0)
+	end
+end