Merge commit 'ad7cf1a40e16f5698c04a6e31f16a854edac026c'

runtimes/colorchart/plugin/colorchart.vim

@@ -304,8 +304,8 @@ function! s:SetupColorChartImpl()
   call append(line('$'), '')
   call append(line('$'), printf('Color %-5s%s', c . ': ', i))
   call append(line('$'), '')
-  call append(line('$'), 'Black on color ' .c. '      White on color ' .c. '')
-  call append(line('$'), 'Color ' .c. ' on black      Color ' .c. ' on white')
+  call append(line('$'), 'Black on color ' .c. '      White on color ' .c. '      Normal on color ' .c. '')
+  call append(line('$'), 'Color ' .c. ' on black      Color ' .c. ' on white      Color ' .c. ' on normal')
 
   let skip = ' skipwhite skipempty skipnl'
 
@@ -321,20 +321,23 @@ function! s:SetupColorChartImpl()
     exe printf('syn match colorchart%d /__/ nextgroup=colorchart%d %s', color1, color2, skip)
   endwhile
 
-  for i in range(&t_Co)
-    exe printf('syn match colorchart%d_on_0  /\<Color %d on black\>\&.\{1,18\}/', i, i)
-    exe printf('syn match colorchart%d_on_15 /\<Color %d on white\>\&.\{1,18\}/', i, i)
-    exe printf('syn match colorchart0_on_%d  /\<Black on color %d\>\&.\{1,18\}/', i, i)
-    exe printf('syn match colorchart15_on_%d /\<White on color %d\>\&.\{1,18\}/', i, i)
-  endfor
-
   for i in range(&t_Co)
     exe printf('hi colorchart%d ctermbg=%d ctermfg=%d', i, i, i)
-    exe printf('hi colorchart%d_on_0  ctermfg=%d ctermbg=0 ', i, i)
-    exe printf('hi colorchart%d_on_15 ctermfg=%d ctermbg=15', i, i)
-    exe printf('hi colorchart0_on_%d  ctermbg=%d ctermfg=0 ', i, i)
-    exe printf('hi colorchart15_on_%d ctermbg=%d ctermfg=15', i, i)
   endfor
+
+  syn match colorchart_color_on_0   /\<Color \d\+ on black\>\&.\{1,18\}/
+  syn match colorchart_color_on_15  /\<Color \d\+ on white\>\&.\{1,18\}/
+  syn match colorchart_color_on_256 /\<Color \d\+ on normal\>\&.\{1,19\}/
+  syn match colorchart0_on_color    /\<Black on color \d\+\>\&.\{1,18\}/
+  syn match colorchart15_on_color   /\<White on color \d\+\>\&.\{1,18\}/
+  syn match colorchart256_on_color  /\<Normal on color \d\+\>\&.\{1,19\}/
+
+  exe printf('hi colorchart_color_on_0   ctermfg=%d ctermbg=0',  c)
+  exe printf('hi colorchart_color_on_15  ctermfg=%d ctermbg=15', c)
+  exe printf('hi colorchart_color_on_256 ctermfg=%d ctermbg=bg', c)
+  exe printf('hi colorchart0_on_color    ctermbg=%d ctermfg=0',  c)
+  exe printf('hi colorchart15_on_color   ctermbg=%d ctermfg=15', c)
+  exe printf('hi colorchart256_on_color  ctermbg=%d ctermfg=fg', c)
 endfunction
 
 " Calls SetupColorChartImpl, while handling saving and restoring options and
@@ -376,7 +379,7 @@ function! ColorChart()
     file Color\ Chart
   endif
 
-  setlocal nolist buftype=nofile bufhidden=wipe noswapfile tabstop=1 iskeyword+=[,] matchpairs=
+  setlocal nolist buftype=nofile bufhidden=wipe noswapfile tabstop=1 iskeyword+=[,] matchpairs= nocursorline nocursorcolumn
 
   call s:SetupColorChart()
 
@@ -390,6 +393,7 @@ function! ColorChart()
   nnoremap <buffer> <silent> + :call <SID>ChangeChart(1)<CR>
 
   autocmd CursorMoved,CursorMovedI <buffer> call <SID>UpdatePreview()
+  autocmd ColorScheme <buffer> call <SID>SetupColorChart()
 endfunction
 
 " Update the preview based on the cursor's movement, assuming that it has
@@ -479,9 +483,18 @@ function! s:UpdatePreview()
     let text = substitute(text, 'Color \d\+:.*', info, '')
     let text = substitute(text, 'on color \zs\(\d\+\&.\{1,3}\)\ze', printf('%-3s', color), 'g')
     let text = substitute(text, 'Color \d\+ on \(black\|white\)\&.\{1,18}', '\=printf("%-18s", "Color " . color . " on " . submatch(1))', 'g')
+    let text = substitute(text, 'Color \d\+ on \(normal\)\&.\{1,19}', '\=printf("%-19s", "Color " . color . " on " . submatch(1))', 'g')
+
     call setline(line, text)
   endfor
 
+  exe printf('hi colorchart_color_on_0   ctermfg=%d ctermbg=0',  color)
+  exe printf('hi colorchart_color_on_15  ctermfg=%d ctermbg=15', color)
+  exe printf('hi colorchart_color_on_256 ctermfg=%d ctermbg=bg', color)
+  exe printf('hi colorchart0_on_color    ctermbg=%d ctermfg=0',  color)
+  exe printf('hi colorchart15_on_color   ctermbg=%d ctermfg=15', color)
+  exe printf('hi colorchart256_on_color  ctermbg=%d ctermfg=fg', color)
+
   setlocal nomodifiable nomodified
 endfunction