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Diffstat (limited to 'vim/plugin/ScrollColor.vim')
-rw-r--r-- | vim/plugin/ScrollColor.vim | 457 |
1 files changed, 0 insertions, 457 deletions
diff --git a/vim/plugin/ScrollColor.vim b/vim/plugin/ScrollColor.vim deleted file mode 100644 index 7c4960c..0000000 --- a/vim/plugin/ScrollColor.vim +++ /dev/null @@ -1,457 +0,0 @@ -" ScrollColors.vim - Colorsheme Scroller, Chooser, and Browser -" -" Author and maintainer: Yakov Lerner <iler_ml@fastmail.fm> -" Last Change: 2006-07-18 -" -" SYNOPSIS: -" This is colorscheme Scroller/Chooser/Browser. -" With this plugin, you walk through installed -" colorschemes using arrow keys. -" -" SHORT USAGE DESCRIPTION: -" Drop ScrollColors.vim into your plugin directory. -" Type :SCROLL -" Use arrow keys to walk through colorschemes, ? for help, Esc to exit. -" -" DETAILED DESCRIPTION: -" 1. source ScrollColors.vim " or drop ScrollColors.vim into -" " your ~/.vim/plugins directory -" 2. Type :SCROLL -" 3. Use arrows to scroll thgough colorschemes. -" 4. When done, press Esc to exit. You will be prompted -" wether to -" -" You can download 140 colorschemes pack from: -" http://www.vim.org/scripts/script.php?script_id=625 -" Having 140 installed colorschemes is in no way prerequisite for -" ScrollColors. But with ScrollColors you can preview 140 colorschemes -" in couple of minutes. -" -" CUSTOM KEY MAPPINGS: -" You can map two keys of your choice to NextColor and PrevColor actions. -" Choose pair of shortcut keys (for example <F2> and <f3>, or \n and \p) -" and map them as follows: -" map <silent><F3> :NEXTCOLOR<cr> -" map <silent><F2> :PREVCOLOR<cr> - - -if exists("g:scroll_colors") | finish | endif -let g:scroll_colors = 1 - -command! COLORSCROLL :call s:ColorScroller() -command! SCROLLCOLOR :call s:ColorScroller() -command! NEXTCOLOR :call s:NextColorscheme() -command! PREVCOLOR :call s:PrevColorscheme() - -" Example of convenience mappings: -"map <silent><F3> :NEXTCOLOR<cr> -"map <silent><F2> :PREVCOLOR<cr> -"map <silent><F4> :SCROLLCOLOR<cr> - -function! s:ScrollerHelp() - echo " " - echohl Title - echo "Color Scroller Help:" - echo "--------------------" - echohl NONE - echo "Arrows - change colorscheme" - echo "Esc,q,Enter - exit" - echo "h,j,k,l - change colorscheme" - echo "0,g - go to first colorscheme" - echo "$,G - go to last colorscheme" - echo "L - list colorschemes" - echo "PgUp,PgDown - jump by 10 colorschemes" - echo "# - go to colorscheme by index (1-N)" - echo "R - refresh colorscheme list" - echo "? - this help text" - echohl MoreMsg - echo "Press any key to continue" - echohl NONE - call getchar() -endfu - -function! s:Align(s, width) - if strlen(a:s) >= a:width - return a:s." " - else - let pad=" " - let res=a:s - while strlen(res) < a:width - let chunk = (a:width - strlen(res) > strlen(pad) ? strlen(pad) : a:width - strlen(res)) - let res = res . strpart(pad,0,chunk) - endw - return res - endif -endfu - -function! s:ListColors() - echo " " - let list=s:GetColorschemesList() - let width=18 - let pos=0 - while list != '' - let str=substitute(list,"\n.*","","") - let list=substitute(list,"[^\n]*\n", "", "") - let aligned = s:Align(str, width) - if( pos+strlen(aligned)+1 >= &columns) - echo " " - let pos=0 - endif - echon aligned - let pos = pos + strlen(aligned) - endw - echo "Press any key to continue" - call getchar() -endfu - -function! s:CurrentColor() - return exists("g:colors_name") ? g:colors_name : "" -endfu - -function! s:SetColor(name) - exe "color ".a:name - " if we do not assign a:colors_name, then - " bad things happen if file colors/name.vim conmtains wrong assignment inside. - " Wrong assignment inside happens when file was copied but - " assignment inside not fixed. - " Such wrong assignment cause up erratic switches unless - " we do our own assignment to g:colors_name - let g:colors_name=a:name -endfu - -function! s:JumpByIndex(list,total) - let ans = input("Enter colorscheme number (1-".a:total.") : ") - let index = (ans<=0? 1 : 1+(ans-1)%a:total ) - let name = s:EntryByIndex(a:list, index ) - call s:SetColor(name) -endfu - -function! s:JumpByIndex2(list,total, index) - let mod = (a:index <= 0? 1 : 1+(a:index-1)%a:total ) - let name = s:EntryByIndex(a:list, mod ) - call s:SetColor(name) -endfu - -function! s:ExitDialog(old, action) - let ans = 0 - - if a:old == s:CurrentColor() - let ans=1 - elseif a:action == '' - let ans = confirm("Keep this colorscheme ?", "&Yes\n&No\n&Cancel") - elseif action == 'keep' - ans = 1 - elseif action == 'revert' - ans = 2 - endif - - if ans == 1 || ans==0 - " exit, keep colorscheme - let msg = (a:old == s:CurrentColor() ? '' : "(original: '".a:old."')") - call s:FinalEcho( msg ) - elseif ans == 2 - " exit, revert colorscheme - call s:SetColor(a:old) - call s:FinalEcho('original color restored') - elseif ans == 3 - " do not exit, continue browsing - return -1 - endif -endfu - -function! s:ColorScroller() - let old = s:CurrentColor() - let list = s:GetColorschemesList() - let total = s:CountEntries(list) - let loop=0 - - if line("$") == 1 && getline(1) == "" && bufnr('$')==1 - " if buffer is empty, open something - echo "We will open sample text with syntax highlighting." - echo "Watch for the guiding prompt in the bottom line." - echo "When the text will open, use Arrow keys to switch colorschemes, ? for help." - echo " " - echo "Press any key to continue" - call getchar() - :e $VIMRUNTIME/syntax/abc.vim - :setlocal ro - syntax on - redraw - endif - - if !exists("g:syntax_on") - syntax on - redraw - endif - - while 1 - redraw - let index = s:FindIndex(list, s:CurrentColor()) - echo "[" - echohl Search - echon s:CurrentColor() - echohl NONE - if loop == 0 - echon "] ColorScroller: " - echohl MoreMsg | echon "Arrows" | echohl NONE | echon "-next/prev; " - echohl MoreMsg | echon "Esc" | echohl NONE | echon "-exit; " - echohl MoreMsg | echon "?" | echohl NONE | echon "-help > " - else - echon "] " - echon " " . index . "/" . total . " " - echon s:Align("", 12-strlen(s:CurrentColor())) - echon "> ColorScroll > " - echon "Arrows,Esc,? > " - endif - let key = getchar() - let c = nr2char(key) - - if key == "\<Left>" || key == "\<Up>" || c ==# 'h' || c ==# 'j' - call s:PrevSilent() - elseif key == "\<Down>" || key == "\<Right>" || c ==# 'l' || c==# 'k' || c==# ' ' - call s:NextSilent() - elseif c==# 'g' || c=='0' || c=='1' - call s:SetColor( s:GetFirstColors() ) - elseif c=='$' || c==# 'G' - call s:SetColor( s:GetLastColors() ) - elseif c ==# 'L' - " command 'L' list colors - call s:ListColors() - elseif c=='Z' || c=='z' || key == 13 || c=='q' || c=='Q' || c==':' || key == 27 - if s:ExitDialog(old, '') != -1 - break - endif - elseif key == 12 " c=="\<C-L>" - redraw - elseif c == '#' - call s:JumpByIndex(list,total) - elseif key == "\<PageDown>" - call s:JumpByIndex2(list,total, (index-10>=1 ? index-10 : index-10+total)) - elseif key == "\<PageUp>" - call s:JumpByIndex2(list,total, index+10) - elseif c == '?' - call s:ScrollerHelp() - elseif c == 'R' - call s:RefreshColorschemesList() - echo "Colorscheme list refreshed. Press any key to continue." - call getchar() - else - call s:ScrollerHelp() - endif - let loop = loop + 1 - endw -endfu - -" Get 1-based index of 'entry' in \n-separated 'list' -function! s:FindIndex(list,entry) - " we assume entry has no special chars or we could escape() it - let str = substitute("\n" . a:list . "\n", "\n" . a:entry . "\n.*$", "", "") - return 1 + s:CountEntries(str) -endfu - -" Get list element by 1-based index -function! s:EntryByIndex(list,index) - let k=1 - let tail=a:list - while tail != '' && k < a:index - let tail=substitute(tail, "^[^\n]*\n", "", "") - let k = k + 1 - endw - let tail = substitute(tail, "\n.*$", "", "") - return tail -endfu - -function! s:MakeWellFormedList(list) - - " make sure last \n is present - let str=a:list."\n" - " make sure leading \n are not present - let str=substitute(str, "^\n*", "", "") - " make sure entries are separated by exactly one \n - let str=substitute(str, "\n\\+", "\n", "g") - - return str -endfu - -function! s:CountEntries(list) - let str = s:MakeWellFormedList(a:list) - - let str=substitute(str, "[^\n]\\+\n", ".", "g") - - return strlen(str) -endfu - -function! s:RemoveDuplicates(list) - let sep = "\n" - let res = s:MakeWellFormedList(a:list . "\n") - let beg = 0 - while beg < strlen(res) - let end = matchend(res, sep, beg) - let str1 = strpart( res, beg, end - beg) - let res = strpart(res,0,end) . substitute("\n".strpart(res,end), "\n".str1,"\n","g") - let res = substitute(res, "\n\\+", "\n", "g") - let beg = end - endw - return res -endfu - -if v:version >= 700 - -" s:SortVar(): sort components of string @var separated -" by delimiter @sep, and returns the sorted string. -" For example, s:SortVar("c\nb\na", "\n") returns "a\nb\nc\n" -function! s:SortVar(list, sep) - let list = split( a:list, a:sep ) - let sorted = sort(list) - let result = join( sorted, "\n" ) - return result . "\n" -endfun - -endif - -if v:version < 700 -" s:SortVar(): sort components of string @var separated -" by delimiter @sep, and returns the sorted string. -" For example, s:SortVar("c\nb\na", "\n") returns "a\nb\nc\n" -function! s:SortVar(list, sep) - - let res=s:MakeWellFormedList(a:list . "\n") - while 1 - let disorder=0 - let index1=0 - - let len=strlen(res) - while 1 - let index2=matchend(res, a:sep, index1) - if index2 == -1 || index2>=len - break - endif - let index3=matchend(res, a:sep, index2) - if index3 == -1 - let index3=len - endif - let str1=strpart(res, index1, index2-index1) - let str2=strpart(res, index2, index3-index2) - if str1 > str2 - let disorder=1 - " swap str1 and str2 in res - let res=strpart(res,0,index1).str2.str1.strpart(res,index3) - let index1=index1 + strlen(str2) - else - let index1=index1 + strlen(str1) - endif - endw - - if !disorder - break - endif - endw - return res -endfu -endif " v:version < 700 - -let s:list = "" - -function! s:GetColorschemesList() - if s:list == "" - let s:list = s:RefreshColorschemesList() - endif - return s:list -endfunction - - -function! s:RefreshColorschemesList() - let x=globpath(&rtp, "colors/*.vim") - let y=substitute(x."\n","\\(^\\|\n\\)[^\n]*[/\\\\]", "\n", "g") - let z=substitute(y,"\\.vim\n", "\n", "g") - let sorted = s:SortVar(z, "\n") - let s:list = s:RemoveDuplicates(sorted) - return s:list -endfun - -function! s:GetFirstColors() - let list=s:GetColorschemesList() - let trim=substitute(list, "^\n\\+", "", "") - return substitute(trim, "\n.*", "", "") -endfu - -function! s:GetLastColors() - let list=s:GetColorschemesList() - let trim=substitute(list, "\n\\+$", "", "") - return substitute(trim, "^.*\n", "", "") -endfu - -function! s:FinalEcho(suffix) - let list = s:GetColorschemesList() - let total = s:CountEntries(list) - let index = s:FindIndex(list, s:CurrentColor()) - - redraw - echon "[" - echohl Search - echon s:CurrentColor() - echohl NONE - echon "] colorscheme #".index ." of " . total.". " - echon a:suffix -endfu - -function! s:GetNextColor(color) - let list=s:GetColorschemesList() - if ("\n".list) =~ ("\n".s:CurrentColor()."\n") - let next=substitute("\n".list."\n", ".*\n".a:color."\n", "", "") - let next = substitute(next, "\n.*", "", "") - return next=='' ? s:GetFirstColors() : next - else - return s:GetFirstColors() - endif -endfu - -function! s:GetPrevColor(color) - let list=s:GetColorschemesList() - if ("\n".list) =~ ("\n".a:color."\n") - let prev=substitute("\n".list."\n", "\n".a:color."\n.*", "", "") - let prev=substitute(prev, "^.*\n", "", "") - return prev=='' ? s:GetLastColors() : prev - else - return s:GetLastColors() - endif -endfu - -function! s:NextSilent() - let old = s:CurrentColor() - let next = s:GetNextColor(s:CurrentColor()) - call s:SetColor( next ) -endfu - -function! s:PrevSilent() - let old = s:CurrentColor() - let prev = s:GetPrevColor(s:CurrentColor()) - call s:SetColor( prev ) -endfu - -function! s:NextColorscheme() - let old = s:CurrentColor() - let next = s:GetNextColor(s:CurrentColor()) - call s:SetColor( next ) - redraw - call s:FinalEcho('previous: '.old) -endfun - -function! s:PrevColorscheme() - let old = s:CurrentColor() - let prev = s:GetPrevColor(s:CurrentColor()) - call s:SetColor( prev ) - redraw - call s:FinalEcho('previous: '.old) -endfun - -command! CN :call s:NextColorscheme() -command! CP :call s:PrevColorscheme() -map \n :CN<cr> -map \p :CP<cr> -map \c :echo g:colors_name<cr> - -" 2006-07-18 fixed bug with Align() -> s:Align() (affected L command) -" 2006-07-18 added colorlist cache (s:list) -" 2006-07-18 added R key to refresh colorlist -" 2006-07-19 for vim7, sort using builtin sort() (bubblesort is slow) |