76 lines
2.5 KiB
VimL
76 lines
2.5 KiB
VimL
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" The fontsize controller in gVim.
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" Version: 0.1.1
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" Author : thinca <thinca+vim@gmail.com>
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" License: Creative Commons Attribution 2.1 Japan License
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" <http://creativecommons.org/licenses/by/2.1/jp/deed.en>
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if exists('g:loaded_fontzoom') || !has('gui_running')
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finish
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endif
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let g:loaded_fontzoom = 1
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let s:save_cpo = &cpo
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set cpo&vim
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function! s:fontzoom(size, reset)
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if a:reset
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if exists('s:keep') " Reset font size.
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let [&guifont, &lines, &columns] = s:keep
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unlet! s:keep
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endif
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elseif a:size == ''
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echo matchstr(&guifont, g:fontzoom_pattern)
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else
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let size = (a:size =~ '^[+-]' ? 'submatch(0)' : '') . a:size
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if !exists('s:keep')
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let s:keep = [&guifont, &lines, &columns]
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endif
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let &guifont = join(map(split(&guifont, '\\\@<!,'),
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\ printf('substitute(v:val, %s, %s, "g")',
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\ string(g:fontzoom_pattern),
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\ string('\=max([1,' . size . '])'))), ',')
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" Keep window size if possible.
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let [&lines, &columns] = s:keep[1:]
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endif
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endfunction
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if !exists('g:fontzoom_pattern')
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" TODO: X11 is not tested because I do not have the environment.
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let g:fontzoom_pattern =
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\ has('win32') || has('win64') ||
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\ has('mac') || has('macunix') ? ':h\zs\d\+':
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\ has('gui_gtk') ? '\s\+\zs\d\+$':
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\ has('X11') ? '\v%([^-]*-){6}\zs\d+\ze%(-[^-]*){7}':
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\ '*Unknown system*'
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endif
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" Commands.
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command! -narg=? -bang -bar Fontzoom call s:fontzoom(<q-args>, <bang>0)
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" Key mappings.
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nnoremap <silent> <Plug>(fontzoom-larger)
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\ :<C-u>Fontzoom +<C-r>=v:count1<CR><CR>
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nnoremap <silent> <Plug>(fontzoom-smaller)
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\ :<C-u>Fontzoom -<C-r>=v:count1<CR><CR>
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inoremap <silent> <Plug>(fontzoom-larger)
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\ <C-O>:<C-u>Fontzoom +<C-r>=v:count1<CR><CR>
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inoremap <silent> <Plug>(fontzoom-smaller)
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\ <C-O>:<C-u>Fontzoom -<C-r>=v:count1<CR><CR>
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if !exists('g:fontzoom_no_default_key_mappings')
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\ || !g:fontzoom_no_default_key_mappings
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silent! nmap <unique> <silent> + <Plug>(fontzoom-larger)
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silent! nmap <unique> <silent> - <Plug>(fontzoom-smaller)
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silent! nmap <unique> <silent> <C-ScrollWheelUp> <Plug>(fontzoom-larger)
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silent! nmap <unique> <silent> <C-ScrollWheelDown> <Plug>(fontzoom-smaller)
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silent! imap <unique> <silent> <C-ScrollWheelUp> <Plug>(fontzoom-larger)
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silent! imap <unique> <silent> <C-ScrollWheelDown> <Plug>(fontzoom-smaller)
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endif
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let &cpo = s:save_cpo
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unlet s:save_cpo
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