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Diffstat (limited to 'vim/boxdraw/boxdraw.vim')
| -rw-r--r-- | vim/boxdraw/boxdraw.vim | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/vim/boxdraw/boxdraw.vim b/vim/boxdraw/boxdraw.vim new file mode 100644 index 0000000..284232f --- /dev/null +++ b/vim/boxdraw/boxdraw.vim @@ -0,0 +1,291 @@ +" Box drawing module for Vim 6.0 +" (C) Andrew Nikitin, 2002 +" 2002-01-07 -- created by nsg +" 2002-01-08 -- first box drawing (single only) +" 2002-01-09 -- (00:42) fixed col(".") bug (note vim bug k"tylj does not retu) +" 2002-01-09 -- optimize +" 2002-01-10 -- double boxes +" 2002-01-16 -- use script-local var and access function instead of global +" 2002-01-30 -- ,a mapping (box->ascii conversion) +" 2003-11-10 -- implemented MB avoiding "number Ctl-V" +" 2004-06-18 -- fixed ToAscii so it replaces "─"; trace path (g+arrow) +" 2004-06-23 -- merged single-byte and utf-8 support in one file +" 2004-06-30 -- do not use shift+arrows unless in win32 +" 2008-12-17 -- special processing for line-block movements, changed cabbr for +" perl + + +let s:o_utf8='--0251--001459--50585a----------0202----0c1c----525e------------51--51--53--5f--54--60------------------------------------------00185c--003468------------------1024----2c3c--------------------56--62--65--6b--------------------------------------------------505b5d----------506769----------5561------------646a------------57--63----------66--6c------------------------------------------------------------------01' +let s:i_utf8='44cc11------------------14------50------05------41------15--------------51--------------54--------------45--------------55--------------------------------------88221824289060a009060a81428219262a9162a29864a889468a9966aa14504105------40010410' +let s:o_cp437='--b3ba--c4c0d3--cdd4c8----------b3b3----dac3----d5c6------------ba--ba--d6--c7--c9--cc------------------------------------------c4d9bd--c4c1d0------------------bfb4----c2c5--------------------b7--b6--d2--d7--------------------------------------------------cdbebc----------cdcfca----------b8b5------------d1d8------------bb--b9----------cb--ce' +let s:i_cp437='----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------115191626090a222a08242815005455415445519260a288aa82a88aa894698640609182466994114' + +let s:scriptfile=expand("<sfile>:h") + +" +" Activate mode. Assigned to ,b macro. +" +fu! <SID>S() + if has("gui_running") + " se enc=utf8 + en + let s:ve=&ve + setl ve=all + " Note that typical terminal emulator program (Putty, in particular) does + " not support Shift arrows too good. You will, probably, have to redefines + " those to, say, + " ,<Up> etc. + if has("win32") + " Under Windows Shift+Arrows works quite smooth, unlike most terminals + nm <S-Up> :call <SID>M(1,'k')<CR> + nm <S-Down> :call <SID>M(16,'j')<CR> + nm <S-Left> :call <SID>M(64,'h')<CR> + nm <S-Right> :call <SID>M(4,'l')<CR> + nm g<Up> :call <SID>G(0)<CR> + nm g<Right> :call <SID>G(1)<CR> + nm g<Down> :call <SID>G(2)<CR> + nm g<Left> :call <SID>G(3)<CR> + vm <S-Up> <esc>:call <SID>MB('k')<CR> + vm <S-Down> <esc>:call <SID>MB('j')<CR> + vm <S-Left> <esc>:call <SID>MB('h')<CR> + vm <S-Right> <esc>:call <SID>MB('l')<CR> + else + nm <Up> :call <SID>M(1,'k')<CR> + nm <Down> :call <SID>M(16,'j')<CR> + nm <Left> :call <SID>M(64,'h')<CR> + nm <Right> :call <SID>M(4,'l')<CR> + nm g<Up> :call <SID>G(0)<CR> + nm g<Right> :call <SID>G(1)<CR> + nm g<Down> :call <SID>G(2)<CR> + nm g<Left> :call <SID>G(3)<CR> + vm <Up> <esc>:call <SID>MB('k')<CR> + vm <Down> <esc>:call <SID>MB('j')<CR> + vm <Left> <esc>:call <SID>MB('h')<CR> + vm <Right> <esc>:call <SID>MB('l')<CR> + en + vmap <Leader>a :ToAscii<cr> + nm <Leader>e :call <SID>E()<CR> + nm <Leader>s :call <SID>SetLT(1)<CR> + nm <Leader>d :call <SID>SetLT(2)<CR> + exec "cabbr <"."buffer> perl perl ".s:scriptfile + + let s:bdlt=1 + nm <Leader>b x + nun <Leader>b +endf + +fu! s:SetLT(thickness) + let s:bdlt=a:thickness +endf + +" Deactivate mode. +" Unmap macros, restore &ve option +fu! <SID>E() + if has("win32") + " Under Windows Shift+Arrows works quite smooth, unlike most terminals + nun <S-Up> + nun <S-Down> + nun <S-Left> + nun <S-Right> + nun g<Up> + nun g<Right> + nun g<Down> + nun g<Left> + vu <S-Up> + vu <S-Down> + vu <S-Left> + vu <S-Right> + else + nun <Up> + nun <Down> + nun <Left> + nun <Right> + nun g<Up> + nun g<Right> + nun g<Down> + nun g<Left> + vu <Up> + vu <Down> + vu <Left> + vu <Right> + en + nun <Leader>e + nm <buffer> <Leader>b :call <SID>S()<CR> + cuna <buffer> perl + let &ve=s:ve + unlet s:ve + "echo "Finished Boxdrawing mode" +endf + +fu! s:GetBoxCode(char) + " check if symbol from unicode boxdrawing range + " E2=1110(0010) + " 25= 10(0101)xx + if 'utf-8'== &enc + if(0xE2==char2nr(a:char[0])&&0x25==char2nr(a:char[1])/4) + retu '0x'.strpart(s:i_utf8,2*(char2nr(a:char[1])%4*64+char2nr(a:char[2])%64),2) + en + else " Assume cp437 encoding + retu '0x'.strpart(s:i_cp437,2*char2nr(a:char),2) + en + retu 0 +endf + +" Try neihgbour in direction 'd' if c is true. Mask m for the direction +" should also be supplied. +" Function returns neighboring bit +" Unicode entries are encoded in utf8 as +" 7 bit : 0vvvvvvv +" 11 bit : 110vvvvv 10vvvvvv +" 16 bit : 1110vvvv 10vvvvvv 10vvvvvv +fu! s:T(c,d,m) + if(a:c) + exe 'norm mt'.a:d.'"tyl`t' + let c=s:GetBoxCode(@t) + retu c%a:m*4/a:m + en + retu 0 +endf + +" 3*4^x, where x=0,1,2,3 +" fu! s:Mask(x) +" retu ((6+a:x*(45+a:x*(-54+a:x*27)))/2) +" endf + +" Move cursor (follow) in specified direction +" Return new direction if new position is valid, -1 otherwise +" dir: 'kljh' +" ^>V< +" 0123 +" mask: 3 12 48 192 +" let @x=3|echo (6+@x*(45+@x*(-54+@x*27)))/2 +" +fu! <SID>F(d) + exe 'norm '.('kljh'[a:d]).'"tyl' + let c=s:GetBoxCode(@t) + let i=0 + let r=-1 + while i<4 + if 0!=c%4 && a:d!=(i+2)%4 + if r<0 + let r=i + else + retu -1 + endif + endif + let c=c/4 + let i=i+1 + endw + retu r +endf + +fu! <SID>G(d) + let y=line(".") + let x=virtcol(".") + let n=a:d + while n>=0 + let n=s:F(n) + if y==line(".") && x==virtcol(".") + echo "Returned to same spot" + break + endif + endw +endf + +" Move cursor in specified direction (d= h,j,k or l). Mask s for +" the direction should also be supplied +" +fu! <SID>M(s,d) + let t=@t + let x=s:T(1<col("."),'h',16)*64+s:T(line(".")<line("$"),'j',4)*16+s:T(1,'l',256)*4+s:T(1<line("."),'k',64) + let @t=t + let c=a:s*s:bdlt+x-x%(a:s*4)/a:s*a:s + "echo 'need c='.c.' x='.x + if 'utf-8'==&enc + let o=strpart(s:o_utf8,2*c,2) + if o!='--' && o!='' + exe "norm r\<C-V>u25".o.a:d + en + else + let o=strpart(s:o_cp437,2*c,2) + if o!='--' && o!='' + exe "norm r\<C-V>x".o.a:d + en + en +" "echo "Boxdrawing mode" +endf + +scriptencoding utf8 +command! -range ToAscii :silent <line1>,<line2>s/┌\|┬\|┐\|╓\|╥\|╖\|╒\|╤\|╕\|╔\|╦\|╗\|├\|┼\|┤\|╟\|╫\|╢\|╞\|╪\|╡\|╠\|╬\|╣\|└\|┴\|┘\|╙\|╨\|╜\|╘\|╧\|╛\|╚\|╩\|╝/+/ge|:silent <line1>,<line2>s/[│║]/\|/ge|:silent <line1>,<line2>s/[═─]/-/ge + +command! -range ToHorz :<line1>,<line2>s/─\|═/-/g +command! -range ToHorz2 :<line1>,<line2>s/─/-/g +" 0000000: 636f 6d6d 616e 6421 202d 7261 6e67 6520 command! -range +" 0000010: 546f 486f 727a 203a 3c6c 696e 6531 3e2c ToHorz :<line1>, +" 0000020: 3c6c 696e 6532 3e73 2fe2 9480 5c7c e295 <line2>s/...\|.. +" 0000030: 9029 2f6f 2f67 0d0a .)/o/g.. +command! -range ToVert :<line1>,<line2>s/│\|║/\|/g + +" Move block dispatch +fu! s:MB(d) + if visualmode()=='' || visualmode()=='v' + call s:MRB(a:d) + elseif visualmode()=='V' + call s:MLB(a:d) + en +endf + +" Move line block +fu! s:MLB(d) + if a:d=='j' || a:d=='k' + let l:cmd= "norm gv\"yd".a:d."\"yP1V" + exe l:cmd + elseif a:d=='h' + normal gv + :'<,'>s/^.// + normal gv + elseif a:d=='l' + normal gv + :'<,'>s/^/ / + normal gv + en +endf + +" Move Rectangular block +" sideeffect: stores contents of a block in "y +" 1<C-V> does not work good in 6.0 when multibyte characters are involved +" gvp does not work good ... +" gv also has some problems +" See http://vim.sourceforge.net/tips/tip.php?tip_id=808 for different way to +" paste +fu! s:MRB(d) + " It seems that rectangular boxes and multibyte do not live together too + " good asof version 6.3 + " Normally something like + " exe 'norm gv"yygvr '.a:d.'1<C-V>"ypgv' + " should have worked + let l:y1=line(".") + let l:x1=virtcol(".") + "echo l:x1."-".l:y1 + normal gv"yygvo + let l:y2=line(".") + let l:x2=virtcol(".") + if l:x1>l:x2 | let l:t=l:x1 | let l:x1=l:x2 | let l:x2=l:t | endif + if l:y1>l:y2 | let l:t=l:y1 | let l:y1=l:y2 | let l:y2=l:t | endif + let l:pos=l:y1."G0" + if 1<l:x1 | let l:pos=l:pos.(l:x1-1)."l" | endif + let l:size="" + if 0<l:y2-l:y1 | let l:size=l:size.(l:y2-l:y1)."j" | endif + if 0<l:x2-l:x1 | let l:size=l:size.(l:x2-l:x1)."l" | endif + exe "normal gvr ".l:pos.a:d."".l:size."d\"yPgvjk" +endf + + +:nmap <buffer> ,b :call <SID>S()<CR> +if has("win32") + " Under win32 activate boxdrwaing mode upon start. + " If undesirable, prepend with :nmap ,b + " + :normal ,b +else +en |