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[vim] Support relative-to-window positioning of popup (#2443)

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Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>
This commit is contained in:
Tom Picton
2021-04-17 04:48:10 -07:00
committed by GitHub
parent c7c5e7670a
commit 8b0e1f941a
3 changed files with 33 additions and 9 deletions
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16
plugin/fzf.vim
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@@ -972,11 +972,19 @@ else
endif
function! s:popup(opts) abort
let xoffset = get(a:opts, 'xoffset', 0.5)
let yoffset = get(a:opts, 'yoffset', 0.5)
let relative = get(a:opts, 'relative', 0)
" Use current window size for positioning relatively positioned popups
let columns = relative ? winwidth(0) : &columns
let lines = relative ? winheight(0) : &lines
" Size and position
let width = min([max([8, a:opts.width > 1 ? a:opts.width : float2nr(&columns * a:opts.width)]), &columns])
let height = min([max([4, a:opts.height > 1 ? a:opts.height : float2nr(&lines * a:opts.height)]), &lines - has('nvim')])
let row = float2nr(get(a:opts, 'yoffset', 0.5) * (&lines - height))
let col = float2nr(get(a:opts, 'xoffset', 0.5) * (&columns - width))
let width = min([max([8, a:opts.width > 1 ? a:opts.width : float2nr(columns * a:opts.width)]), columns])
let height = min([max([4, a:opts.height > 1 ? a:opts.height : float2nr(lines * a:opts.height)]), lines - has('nvim')])
let row = float2nr(yoffset * (lines - height)) + (relative ? win_screenpos(0)[0] : 0)
let col = float2nr(xoffset * (columns - width)) + (relative ? win_screenpos(0)[1] : 0)
" Managing the differences
let row = min([max([0, row]), &lines - has('nvim') - height])