[.vimrc] Added feats

1 files changed, 91 insertions, 0 deletions

diff --git a/.vim/feat/tabline.vim b/.vim/feat/tabline.vim
new file mode 100644
index 0000000..bb6fe57
--- /dev/null
+++ b/.vim/feat/tabline.vim
@@ -0,0 +1,91 @@
+let tabcap = ''
+let tabmiddlecap = ''
+
+set tabline=%!TablineGenerator()
+
+" Tab data/helper functions {{{
+	function! TabFilename(n)
+		let buflist = tabpagebuflist(a:n)
+		let winnr   = tabpagewinnr(a:n)
+		let _       = (expand('#'..buflist[winnr - 1]..':t') !=# '') ? expand('#'..buflist[winnr - 1]..':t') : '[No Name]'
+
+		" Limit the width of tabs, so they don't go out of the screen
+		let tabNameLengthMax = &columns/(((tabpagenr('$') > 0) ? tabpagenr('$') : 0) + 5)
+
+		return WebDevIconsGetFileTypeSymbol(_) .. ' ' .. _[0:tabNameLengthMax]
+	endfunction
+
+	function! TabReadonly(n)
+		let winnr = tabpagewinnr(a:n)
+		return gettabwinvar(a:n, winnr, '&readonly') ? '  ' : ''
+	endfunction
+
+	function! TabModified(n)
+		let winnr = tabpagewinnr(a:n)
+		return gettabwinvar(a:n, winnr, '&modified') ? '  ' : (gettabwinvar(a:n, winnr, '&modifiable') ? '' : '  ')
+	endfunction
+" }}}
+
+" Colors {{{
+	autocmd ColorScheme * call TLCreateHighlightGroups()
+
+	" Colorscheme clears highlights https://vi.stackexchange.com/a/3356
+	function! TLCreateHighlightGroups()
+		hi TLTab    ctermfg=252 ctermbg=242
+		hi TLTabSel ctermfg=252 ctermbg=235
+		hi TLRest   ctermfg=248 ctermbg=238
+
+		let s:hi_tltab    = hlget('TLTab')[0]
+		let s:hi_tltabsel = hlget('TLTabSel')[0]
+		let s:hi_tlrest   = hlget('TLRest')[0]
+		call hlset([#{name: 'TLTabSelLC',  ctermfg: s:hi_tltab['ctermbg'],    ctermbg: s:hi_tltabsel['ctermbg'] },
+		\           #{name: 'TLTabSelRC',  ctermfg: s:hi_tltabsel['ctermbg'], ctermbg: s:hi_tltab['ctermbg'] },
+		\           #{name: 'TLTabSelRCF', ctermfg: s:hi_tltabsel['ctermbg'], ctermbg: s:hi_tlrest['ctermbg'] },
+		\           #{name: 'TLTabRCF',    ctermfg: s:hi_tltab['ctermbg'],    ctermbg: s:hi_tlrest['ctermbg'] }])
+	endfunction
+	call TLCreateHighlightGroups()
+" }}}
+
+function! TablineGenerator()
+	let s = ''
+
+	" For each tab i
+	for i in range(1, tabpagenr('$'))
+		" Sets the tab page number, so that mouse clicks work
+		let s ..= '%' .. i .. 'T'
+
+		let innerText = '%{TabFilename(' .. i .. ')}%{TabReadonly(' .. i .. ')}%{TabModified(' .. i .. ')} '
+
+		" If tab is the selected one
+		if i == tabpagenr()
+			" If tab isn't the left most
+			if i > 1
+				let s ..= '%#TLTabSelLC#%{tabcap}'
+			endif
+
+			let s ..= '%#TLTabSel# ' .. l:innerText
+
+			" If tab is the last one, right cap bg color has to be different
+			let s ..= (i == tabpagenr('$') ? '%#TLTabSelRCF#' : '%#TLTabSelRC#') .. '%{tabcap}'
+
+		else
+			let s ..= '%#TLTab#'
+			" If tab isn't to the right of selected and isn't the left most 
+			if (i-1 != tabpagenr()) && (i > 1)
+				let s ..= '%{tabmiddlecap}'
+			endif
+			
+			let s ..= ' ' .. l:innerText
+
+			" Last tab has to have a tabcap
+			if i == tabpagenr('$')
+				let s ..= '%#TLTabRCF#%{tabcap}'
+			endif
+		endif
+	endfor
+
+	" After last tab, fill with TLRest
+	let s ..= '%#TLRest#%T'
+
+	return s
+endfunction