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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
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 5 deletions
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1
CHANGELOG.md
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@ -1,6 +1,7 @@
# Change Log
#### 6.1...
- **.2**: Wrap saveScreenState's statements in a try-catch block. (PhilRunninger) [#1047](https://github.com/scrooloose/nerdtree/pull/1047)
- **.1**: Catch errors when trying to read CHANGELOG.md. (PhilRunninger) [#1045](https://github.com/scrooloose/nerdtree/pull/1045)
- **.0**: If file path doesn't exist, :NERDTreeFind its parent directory instead. (PhilRunninger) [#1043](https://github.com/scrooloose/nerdtree/pull/1043)
#### 6.0...

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