Closed Bug 1681045 Opened 5 years ago Closed 5 years ago

Dropdowns don't appear properly if second monitor isn't aligned with the top of primary monitor in macOS

Categories

(Core :: Widget: Cocoa, defect)

Firefox 83
defect

Tracking

()

RESOLVED DUPLICATE of bug 1391627

People

(Reporter: rob, Unassigned)

Details

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(1 file)

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:83.0) Gecko/20100101 Firefox/83.0

Steps to reproduce:

I'm running a 27" 2020 iMac with two Dell U2412M monitors; one each side.

In System Preferences, I've set the left-hand display to be in line with the bottom of the primary display. It's lower-resolution, so the top of the secondary display doesn't reach the top of the primary display.

To reproduce, click on a 'normal' dropdown menu (ie, one that's a <select> element rather than one constructed with JS and <div>s),

Actual results:

The options list appears about 1/4 the way up the screen from where it should be, and only shows a few of the options. If I scroll, it scrolls, but never shows me the bottom of the list. It's almost like the options list is being created at the right size, but only the top half is being shown.

In the attached file, the result is shown when clicking on the "select template" dropdown.

Expected results:

The options list should appear directly above the dropdown, and show all the options.

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.

Component: Untriaged → Widget: Cocoa
Product: Firefox → Core

(oh, extra info - changing my monitor settings so that the top of the secondary monitor is aligned with the top of the primary monitor fixes the issue. This only happens in FF, hence filing a bug here)

This looks like a duplicate of bug 1391627. If this isn't the case, please reopen and let us know in what way this differs. Thank you!

Status: UNCONFIRMED → RESOLVED
Closed: 5 years ago
Resolution: --- → DUPLICATE
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