From 8ee3566a413197a7414bf60c47ff2221e8ffb8e7 Mon Sep 17 00:00:00 2001
From: Ethan Schoonover <es@ethanschoonover.com>
Date: Thu, 5 May 2011 12:42:07 -0700
Subject: [vim] new, experimental trailing space function and menu item

Visibility of listchars is handled by g:solarized_visibility
but on the cursorline they can still be hard to spot if cursorline
is on due to the cursorline background color.

This new trailing spaces function, available in the menu or via
emenu, should change the trailing space highlighting on only
the cursorline. It doesn't work in call cases as, for example,
the comments pattern in most syntaxes will override it.
---
 colors/solarized.vim | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'colors/solarized.vim')

diff --git a/colors/solarized.vim b/colors/solarized.vim
index 3368f8f..33aeb17 100644
--- a/colors/solarized.vim
+++ b/colors/solarized.vim
@@ -4,7 +4,7 @@
 "           (see this url for latest release & screenshots)
 " License:  OSI approved MIT license (see end of this file)
 " Created:  In the middle of the night
-" Modified: 2011 May 04
+" Modified: 2011 May 05
 "
 " Usage "{{{
 "
@@ -219,6 +219,7 @@ call s:SetOption("termcolors",16)
 call s:SetOption("contrast","normal")
 call s:SetOption("visibility","normal")
 call s:SetOption("diffmode","normal")
+call s:SetOption("hitrail",0)
 call s:SetOption("menu",1)
 
 "}}}
@@ -937,6 +938,24 @@ hi! link pandocMetadataTitle             pandocMetadata
 "
 autocmd GUIEnter * if (s:vmode != "gui") | exe "colorscheme " . g:colors_name | endif
 "}}}
+" Highlight Trailing Space {{{
+" Experimental: Different highlight when on cursorline
+function! s:SolarizedHiTrail()
+    if g:solarized_hitrail==0
+        hi! clear solarizedTrailingSpace
+    else
+        syn match solarizedTrailingSpace "\s*$"
+        exe "hi! solarizedTrailingSpace " .s:fmt_undr .s:fg_red .s:bg_none .s:sp_red
+    endif
+endfunction  
+augroup SolarizedHiTrail
+    autocmd!
+    if g:solarized_hitrail==1
+        autocmd! Syntax * call s:SolarizedHiTrail()
+        autocmd! ColorScheme * if g:colors_name == "solarized" | call s:SolarizedHiTrail() | else | augroup! s:SolarizedHiTrail | endif
+    endif
+augroup END
+" }}}
 " Menus "{{{
 " ---------------------------------------------------------------------
 " Turn off Solarized menu by including the following assignment in your .vimrc:
@@ -989,6 +1008,9 @@ if g:colors_name == "solarized" && g:solarized_menu != 0
     amenu &Solarized.&Diff\ Mode.&Normal\ Diff\ Mode :let g:solarized_diffmode="normal"  \| colorscheme solarized<CR>
     amenu &Solarized.&Diff\ Mode.&High\ Diff\ Mode   :let g:solarized_diffmode="high"    \| colorscheme solarized<CR>
 
+    if g:solarized_hitrail==0 | let l:hitrailswitch="On" | else | let l:hitrailswitch="Off" | endif
+    exe "amenu &Solarized.&Experimental.&Turn\\ Highlight\\ Trailing\\ Spaces\\ ".l:hitrailswitch." :let g:solarized_hitrail=(abs(g:solarized_hitrail-1)) \\| colorscheme solarized<CR>"
+
     amenu &Solarized.&Help.&Solarized\ Help          :help solarized<CR>
     amenu &Solarized.&Help.&Toggle\ Background\ Help :help togglebg<CR>
     amenu &Solarized.&Help.&Removing\ This\ Menu     :help solarized-menu<CR>
-- 
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