+++ This bug was initially created as a clone of Bug #1457194 +++ Linux Mint 18.3 Mate edition Reproducible: always Steps To Reproduce: 1. Disable title bar from customize. and done. 2. Right click on the web page ---- observe context menu position Actual Results: Context menu pops up at slightly left. i.e., the position is back button. Expected Results: Context menu should pop up at position of mouse pointer. i.e., the corner of context menu should be as same as the mouse pointer. When Enable titlebar, the problem is gone.
I can still reprodice the problem on the Nightly62.0a1. Build ID 20180514220126 User Agent Mozilla/5.0 (X11; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0
Yes, it's because code path for Gtk < 3.20 here.
This is a dupe of Bug 1456452. Unfortunately I'm not sure how to fix that correctly on Gtk+ < 3.20 as we can only approximate it.
Status: NEW → RESOLVED
Last Resolved: 8 months ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1456452
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