Closed Bug 1300734 Opened 3 years ago Closed 3 years ago
DPI] tabs sometimes move on hover at 125% scale
Yes, I use Nightly with screen resolution at 125% on 1080p display and every time I hover over a background tab, favicon, title and close button move to the right. It's easy to reproduce: open 2 or 3 random websites then 10 blank new tabs, then move the mouse over 1st tabs. https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=c6906f5fc27809e2775e88a2ccc88fb794c93f4d&tochange=1789229965bfc5e7b08dfcf1c054c366abe1267a
I expect this is because of the negative margin (which doesn't get snapped the same way as the border width) not matching the width of the element (which is now only determined by the width of the border). If that suspicion is correct, putting back the width: 1px would fix this.
Attachment #8788757 - Flags: review?(gijskruitbosch+bugs) → review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/mozilla-inbound/rev/2e5a6cf43b46 Set width on tab separators to match their negative margin. r=gijs
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