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Clear output when NERDTree menu is aborted #832

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merged 3 commits into from
Apr 23, 2018
Merged

Clear output when NERDTree menu is aborted #832

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1792b6a
Clear output when the NERDTree menu is aborted
Apr 22, 2018
38d4d22
Clean up a function comment
Apr 22, 2018
1641317
Refine the internals of the "showMenu()" function
Apr 22, 2018
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24 changes: 15 additions & 9 deletions lib/nerdtree/menu_controller.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -15,29 +15,35 @@ function! s:MenuController.New(menuItems)
return newMenuController
endfunction

"FUNCTION: MenuController.showMenu() {{{1
"start the main loop of the menu and get the user to choose/execute a menu
"item
" FUNCTION: MenuController.showMenu() {{{1
" Enter the main loop of the NERDTree menu, prompting the user to select
" a menu item.
function! s:MenuController.showMenu()
call self._saveOptions()

try
let self.selection = 0
let l:done = 0

let done = 0
while !done
while !l:done
redraw!
call self._echoPrompt()
let key = nr2char(getchar())
let done = self._handleKeypress(key)

let l:key = nr2char(getchar())
let l:done = self._handleKeypress(l:key)
endwhile
finally
call self._restoreOptions()

" Redraw when "Ctrl-C" or "Esc" is received.
if !l:done || self.selection == -1
redraw!
endif
endtry

if self.selection != -1
let m = self._current()
call m.execute()
let l:m = self._current()
call l:m.execute()
endif
endfunction

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