+" Helper to show tab name.
+fun! <SID>TabName(label, gui)
+ let l:label = a:label
+ if l:label == ""
+ let l:label = "No Name"
+ if a:gui
+ let l:label = "[" . l:label . "]"
+ endif
+ else
+ let l:label = fnamemodify(l:label, ":t")
+ if strlen(l:label) >= 18
+ let l:label = l:label[0:17] . ".."
+ endif
+ endif
+ return l:label
+endfun
+
+" Find out if any buffer was modified.
+fun! <SID>TabModified(buflist)
+ let l:i = 0
+ while i < len(a:buflist)
+ if getbufvar(a:buflist[l:i], "&modified") == 1
+ return "+"
+ endif
+ let l:i = l:i + 1
+ endwhile
+ return ""
+endfun
+
+" Tab line.
+fun! Show_TabLine()
+ let l:s = "%#TabLineFill#Tabs:"
+
+ let l:i = 0
+ while l:i < tabpagenr("$")
+ let l:i = l:i + 1
+ " Get the label.
+ let l:buflist = tabpagebuflist(l:i)
+ let l:winnr = tabpagewinnr(l:i)
+ let l:n = tabpagewinnr(l:i, "$")
+ let l:label = <SID>TabName(bufname(l:buflist[l:winnr - 1]), 0)
+ let l:modified = <SID>TabModified(l:buflist)
+
+ " Choose highlighting.
+ if l:i == tabpagenr()
+ let l:s .= "%#TabLineSel#[" . l:n . l:modified . " " . l:label . "]"
+ else
+ let l:s .= "%#TabLine# " . l:n . l:modified . " " . l:label . " "
+ endif
+ endwhile
+
+ " Padding.
+ let l:s .= "%#TabLine#%T"
+ return l:s
+endfun
+
+" Per tab label for the GUI.
+fun! Show_GUITabLine()
+ let l:buflist = tabpagebuflist(v:lnum)
+ let l:winnr = tabpagewinnr(v:lnum)
+ let l:s = tabpagewinnr(v:lnum, "$")
+ let l:label = <SID>TabName(bufname(l:buflist[l:winnr - 1]), 1)
+ let l:modified = <SID>TabModified(l:buflist)
+
+ let l:s .= l:modified . " " . l:label
+ return l:s
+endfun
+
+se tabline=%!Show_TabLine()
+se guitablabel=%!Show_GUITabLine()
+