command to toggle scrollbar

fixes #4

Author: Joe Paterson

autoload/elevator.vim

@@ -12,6 +12,7 @@ if !exists('g:elevator#highlight')
 endif
 
 var s_state = {
+  enabled: true,
   scrolloff: -1,
   screenrow: -1,
   topline: -1,
@@ -36,7 +37,23 @@ def S__calculate_scale(winid__a: number): float
   return 1.0 * winheight / (line('$', winid__a) + winheight)
 enddef
 
+export def Toggle()
+  s_state.enabled = !s_state.enabled
+
+  if !s_state.enabled
+    S__close()
+  else
+    Show(win_getid())
+  endif
+
+  echo 'Elevator ' .. (s_state.enabled ? 'enabled' : 'disabled')
+enddef
+
 export def Show(winid__a: number)
+  if !s_state.enabled
+    return
+  endif
+
   if s_state.dragging
     return
   endif

doc/elevator.txt

@@ -9,10 +9,7 @@ Version:        0.2
 CONTENTS                                                     *elevator-contents*
 
     Intro...................................................|elevator-intro|
-    Mappings.............................................|elevator-mappings|
-    Mouse...................................................|elevator-mouse|
     Commands.............................................|elevator-commands|
-    Functions...........................................|elevator-functions|
     Variables...........................................|elevator-variables|
 
 ================================================================================
@@ -23,6 +20,11 @@ VIM and GVIM.
 
 Elevator works out of the box and does not require any configuration.
 
+================================================================================
+COMMANDS                                                     *elevator-commands*
+
+:ElevatorToggle                       Toggle scrollbar.
+
 ================================================================================
 VARIABLES                                                   *elevator-variables*
 

plugin/elevator.vim

@@ -11,3 +11,5 @@ augroup Elevator
   autocmd WinScrolled * elevator#Show(expand('<amatch>')->str2nr())
   autocmd WinEnter,BufWinEnter * timer_start(0, (_) => elevator#Show(win_getid()))
 augroup END
+
+command! -nargs=0 -bar ElevatorToggle elevator#Toggle()