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path: root/.local/share/nvim/site/autoload/statusbar.vim
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function TabLabel(n)
	let buflist = tabpagebuflist(a:n)
	let winnr = tabpagewinnr(a:n)
	return bufname(buflist[winnr - 1])
endfunction

function! TabLine()
	let s = ''
	for i in range(tabpagenr('$'))
		" select the highlighting
		if i + 1 == tabpagenr()
			let s ..= '%#TablineC#%#TabLineSel#'
		else
			let s ..= ' %#TabLine#'
		endif

		" set the tab page number (for mouse clicks)
		let s ..= '%' .. (i + 1) .. 'T'

		" the label is made by MyTabLabel()
		let s ..= '%{TabLabel(' .. (i + 1) .. ')}'

		if i + 1 == tabpagenr()
			let s ..= '%#StatusLine#%#TabLine#'
		else
			let s ..= ' '
		endif
	endfor

	" after the last tab fill with TabLineFill and reset tab page nr
	let s ..= '%#TabLineFill#%T'

	" right-align the label to close the current tab page
	if tabpagenr('$') > 1
		let s ..= '%=%#TablineC#%#TabLineSel#%999X '
	endif

	return s
endfunction



function! statusbar#refresh()
	set laststatus=3

	let g:currentmode={
				\ 'n'  : 'NORMAL',
				\ 'v'  : 'VISUAL',
				\ 'V'  : 'V·Line',
				\ "\<C-V>" : 'V·Block',
				\ 'i'  : 'INSERT',
				\ 'R'  : 'R',
				\ 'Rv' : 'V·Replace',
				\ 'c'  : 'Command',
				\}

	set statusline=
	set statusline+=%#StatusLineBlock#\ %{toupper(g:currentmode[mode()])}%#StatusLine#
	set statusline+=\ %#StatusLine#%#StatusLineBlock#%f%#StatusLine#
	set statusline+=%=
	set statusline+=%#StatusLine#%#StatusLineBlock#%l/%L\ %p%%\ 

	set tabline=%!TabLine()
endfunction