stop further WIN_OPEN event handling if we aborted

Closing the window invalidates the handle passed to further
event handlers probably causing them to crash.

1 files changed, 4 insertions, 1 deletions

diff --git a/init.lua b/init.lua
index f73e13a..723e046 100644
--- a/init.lua
+++ b/init.lua
@@ -72,7 +72,10 @@ vis.events.subscribe(vis.events.WIN_OPEN, function(win)
   if lockfiles.vis_pid == lock_pid then
     created_locks[file.path] = lfile_path
   else
-    prompt(file.path, lfile_path, lock_pid)
+    if not prompt(file.path, lfile_path, lock_pid) then
+      -- return ~= nil to stop further event handling since we closed the window
+      return true
+    end
   end
 end)