My nvim is goated; Add console with keybinding Ctrl+Shift+Q

init.vim

@@ -36,11 +36,51 @@ Plug 'norcalli/nvim-colorizer.lua' "Color Hexadecimal
 
 call plug#end()
 
+" If there are only terminal and NerdTree, all close
+	autocmd bufenter * if (winnr("$") == 2 && IsNerdTreeEnabled() && g:terminal_id != -1) | qa | endif
+
+" Terminal
+	function! ToggleTerminal()
+		if (g:terminal_id == -1)
+			below split | resize 10 | term
+			let g:terminal_id = win_getid()
+		else
+			call win_gotoid(g:terminal_id)
+			let g:terminal_id = -1
+			close
+		endif
+	endfunction
+
+	let g:terminal_id = -1
+	nnoremap <C-S-q> :call ToggleTerminal()<CR>
+	nnoremap <C-S-a> :echo win_getid()<CR>
+
 " NerdTree
+"
+	" Size
+	let g:NERDTreeDefaultSize = 20
+	let g:NERDTreeWinSize=g:NERDTreeDefaultSize
 	" Start NERDTree and put the cursor back in the other window.
 	autocmd VimEnter * NERDTree | wincmd p
-" Exit Vim if NERDTree is the only window remaining in the only tab.
-autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
+
+	function! IsNerdTreeEnabled()
+		return exists('t:NERDTreeBufName') && bufwinnr(t:NERDTreeBufName) != -1
+	endfunction
+
+	" Add
+	function! AddNERDTreeSize(add)
+		call SetNERDTreeSize(g:NERDTreeWinSize + a:add)
+	endfunction
+
+	" Set
+	function! SetNERDTreeSize(value)
+		if exists("g:NERDTree") && g:NERDTree.IsOpen()
+			execute 'let g:NERDTreeWinSize = ' . (a:value)
+			execute 'NERDTree'
+			wincmd p
+			execute 'NERDTreeFind'	
+		endif
+	endfunction
 
 	" Focus and unfocus
 	function! ToggleNERDTree()
@@ -51,10 +91,16 @@ function! ToggleNERDTree()
 		endif
 	endfunction
 
+	" Unfocus on the file open
 	nnoremap <C-z> :call ToggleNERDTree()<CR>
 	nnoremap <C-x> :NERDTreeToggle<CR>
 	nnoremap <C-c> :NERDTreeFind<CR>
-" Unfocus on the file open
+
+	" Resize NERDTree
+	nnoremap <C-S-Up> :call AddNERDTreeSize(2)<CR>
+	nnoremap <C-S-Down> :call AddNERDTreeSize(-2)<CR>
+	nnoremap <C-S-Left> :call SetNERDTreeSize(g:NERDTreeDefaultSize)<CR>
+	nnoremap <C-S-Right> :call SetNERDTreeSize(g:NERDTreeDefaultSize)<CR>
 
 "
 nnoremap <F8> :TagbarToggle<CR>