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Handle enabling/disabling across all windows #24

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Dec 5, 2014
Merged

Handle enabling/disabling across all windows #24

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36 changes: 26 additions & 10 deletions plugin/better-whitespace.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,25 @@ call s:InitVariable('g:better_whitespace_filetypes_blacklist', [])
" Only init once
let s:better_whitespace_initialized = 0

" Like windo but restore the current window.
function! s:Windo(command)
let currwin=winnr()
execute 'windo ' . a:command
execute currwin . 'wincmd w'
endfunction

" Like tabdo but restore the current tab.
function! s:Tabdo(command)
let currTab=tabpagenr()
execute 'tabdo ' . a:command
execute 'tabn ' . currTab
endfunction

" Execute command in all windows (across tabs).
function! s:InAllWindows(command)
call s:Tabdo("call s:Windo('".substitute(a:command, "'", "''", 'g')."')")
endfunction

" Ensure the 'ExtraWhitespace' highlight group has been defined
function! s:WhitespaceInit()
" Check if the user has already defined highlighting for this group
Expand All @@ -53,7 +72,7 @@ function! s:EnableWhitespace()
let g:better_whitespace_enabled = 1
call <SID>WhitespaceInit()
" Match default whitespace
match ExtraWhitespace /\s\+$/
call s:InAllWindows('match ExtraWhitespace /\s\+$/')
call <SID>SetupAutoCommands()
echo "Whitespace Highlighting: Enabled"
endif
Expand All @@ -64,8 +83,7 @@ function! s:DisableWhitespace()
if g:better_whitespace_enabled == 1
let g:better_whitespace_enabled = 0
" Clear current whitespace matches
match ExtraWhitespace ''
syn clear ExtraWhitespace
call s:InAllWindows("match ExtraWhitespace '' | syn clear ExtraWhitespace")
call <SID>SetupAutoCommands()
echo "Whitespace Highlighting: Disabled"
endif
Expand All @@ -92,13 +110,12 @@ function! s:CurrentLineWhitespaceOff( level )
if a:level == 'hard'
let g:current_line_whitespace_disabled_hard = 1
let g:current_line_whitespace_disabled_soft = 0
syn clear ExtraWhitespace
match ExtraWhitespace /\s\+$/
call s:InAllWindows('syn clear ExtraWhitespace | match ExtraWhitespace /\s\+$/')
echo "Current Line Hightlight Off (hard)"
elseif a:level == 'soft'
let g:current_line_whitespace_disabled_soft = 1
let g:current_line_whitespace_disabled_hard = 0
match ExtraWhitespace ''
call s:InAllWindows("match ExtraWhitespace ''")
echo "Current Line Hightlight Off (soft)"
endif
" Re-run auto commands with the new settings
Expand All @@ -112,8 +129,7 @@ function! s:CurrentLineWhitespaceOn()
let g:current_line_whitespace_disabled_hard = 0
let g:current_line_whitespace_disabled_soft = 0
call <SID>SetupAutoCommands()
syn clear ExtraWhitespace
match ExtraWhitespace /\s\+$/
call s:InAllWindows('syn clear ExtraWhitespace | match ExtraWhitespace /\s\+$/')
echo "Current Line Hightlight On"
endif
endfunction
Expand Down Expand Up @@ -198,8 +214,8 @@ function! <SID>SetupAutoCommands()
autocmd BufWinLeave * call clearmatches()
else
" Highlight extraneous whitespace at the end of lines, but not the
" current line
syn clear ExtraWhitespace | syn match ExtraWhitespace excludenl /\s\+$/
" current line.
call s:InAllWindows('syn clear ExtraWhitespace | syn match ExtraWhitespace excludenl /\s\+$/')
autocmd InsertEnter * syn clear ExtraWhitespace | syn match ExtraWhitespace excludenl /\s\+\%#\@!$/ containedin=ALL
autocmd InsertLeave,BufReadPost * syn clear ExtraWhitespace | syn match ExtraWhitespace excludenl /\s\+$/ containedin=ALL
endif
Expand Down