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21 lines
533 B
21 lines
533 B
4 years ago
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" Copyright (c) 2019 Liu-Cheng Xu
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" MIT License
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" vim: ts=2 sw=2 sts=2 et
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" Return the lines to preview and the target line number in the preview buffer.
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function! vista#preview#GetLines(lnum) abort
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" Show 5 lines around the tag source line [lnum-5, lnum+5]
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let range = 5
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if a:lnum - range > 0
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let preview_lnum = range + 1
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else
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let preview_lnum = a:lnum
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endif
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let begin = max([a:lnum - range, 1])
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let end = begin + range * 2
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return [getbufline(g:vista.source.bufnr, begin, end), preview_lnum]
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endfunction
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