Enable hover_popup feature only on left sided drawer

Close #418

Author: lambdalisue

autoload/fern/internal/drawer.vim

@@ -52,9 +52,12 @@ function! fern#internal#drawer#init() abort
   call fern#internal#drawer#auto_restore_focus#init()
   call fern#internal#drawer#auto_restore_winfixwidth#init()
   call fern#internal#drawer#smart_quit#init()
-  call fern#internal#drawer#hover_popup#init()
   call fern#internal#drawer#resize()
 
+  if !fern#internal#drawer#is_right_drawer()
+    call fern#internal#drawer#hover_popup#init()
+  endif
+
   setlocal winfixwidth
 endfunction
 

doc/fern.txt

@@ -420,6 +420,8 @@ VARIABLE						*fern-variable*
 	Note that this feature is required the |win_execute| and
 	popup/floatwin features. 
 
+	Note that this feature is only available on a left-sided drawer.
+
 	Default: 0
 
 *g:fern#disable_drawer_tabpage_isolation*