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Horizontal positioning for the g:NERDTreeWinPos #1363

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Sep 3, 2023
Merged

Horizontal positioning for the g:NERDTreeWinPos #1363

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9 changes: 8 additions & 1 deletion doc/NERDTree.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -1128,7 +1128,7 @@ setting is used.

------------------------------------------------------------------------------
*NERDTreeWinPos*
Values: "left" or "right"
Values: "left", "right", "top" or "bottom"
Default: "left".

This setting is used to determine where NERDTree window is placed on the
Expand All @@ -1138,6 +1138,13 @@ This setting makes it possible to use two different explorer plugins
simultaneously. For example, you could have the taglist plugin on the left of
the window and the NERDTree on the right.

When setting this variable to "top" or "bottom" make sure to also change the
|NERDTreeWinSize| to a more reasonable size.

For example:
>
let g:NERDTreeWinSize = 15
<
------------------------------------------------------------------------------
*NERDTreeWinSize*
Values: a positive integer.
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9 changes: 5 additions & 4 deletions lib/nerdtree/creator.vim
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Expand Up @@ -182,16 +182,17 @@ endfunction
" Initialize the NERDTree window. Open the window, size it properly, set all
" local options, etc.
function! s:Creator._createTreeWin()
let l:splitLocation = g:NERDTreeWinPos ==# 'left' ? 'topleft ' : 'botright '
let l:splitLocation = g:NERDTreeWinPos ==# 'left' || g:NERDTreeWinPos ==# 'top' ? 'topleft ' : 'botright '
let l:splitDirection = g:NERDTreeWinPos ==# 'left' || g:NERDTreeWinPos ==# 'right' ? 'vertical' : ''
let l:splitSize = g:NERDTreeWinSize

if !g:NERDTree.ExistsForTab()
let t:NERDTreeBufName = self._nextBufferName()
silent! execute l:splitLocation . 'vertical ' . l:splitSize . ' new'
silent! execute l:splitLocation . l:splitDirection . ' ' . l:splitSize . ' new'
silent! execute 'edit ' . t:NERDTreeBufName
silent! execute 'vertical resize '. l:splitSize
silent! execute l:splitDirection . ' resize '. l:splitSize
else
silent! execute l:splitLocation . 'vertical ' . l:splitSize . ' split'
silent! execute l:splitLocation . l:splitDirection . ' ' . l:splitSize . ' split'
silent! execute 'buffer ' . t:NERDTreeBufName
endif

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