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Wrap saveScreenState's statements in a try-catch block. (#1047)

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* Wrap saveScreenState's statements in a try-catch block.

If you're in NERDTree, and you press : to open a command line, and then
press Ctrl+F to open the [Command Line] window, you will see errors
related to switching windows while in this function. (Those commands are
not allowed while in the [Command Line] window.) The try-catch block
handles the errors, preventing their being displayed.

* Update version number in change log.
This commit is contained in:
Phil Runninger
2019-10-08 14:01:50 -04:00
committed by GitHub
parent 2d639b70e7
commit 4fe24d3156
2 changed files with 9 additions and 5 deletions
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13
lib/nerdtree/ui.vim
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@@ -355,12 +355,15 @@ endfunction
" scroll position
function! s:UI.saveScreenState()
let win = winnr()
call g:NERDTree.CursorToTreeWin()
let self._screenState = {}
let self._screenState['oldPos'] = getpos(".")
let self._screenState['oldTopLine'] = line("w0")
let self._screenState['oldWindowSize']= winwidth("")
call nerdtree#exec(win . "wincmd w", 1)
try
call g:NERDTree.CursorToTreeWin()
let self._screenState['oldPos'] = getpos(".")
let self._screenState['oldTopLine'] = line("w0")
let self._screenState['oldWindowSize']= winwidth("")
call nerdtree#exec(win . "wincmd w", 1)
catch
endtry
endfunction
" FUNCTION: s:UI.setShowHidden(val) {{{1