Submenus shouldn't take space unless they're actually open. #31881
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gwwar
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May 18, 2021
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I think the proposed changes make sense, but I wanted to check in on PageList behavior and whether or not clicks/hovers should display submenus.
Here's trunk behavior with Navigation block populated with PageList:
trunk.mp4
Here's the branch behavior with Navigation block populated with PageList:
submenu.mp4
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Excellent catch, Kerry. Thanks so much, that was not an intended regression, but an oversight which I've fixed:
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Mamaduka
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Description
Currently submenus in the navigation block are
visibility: hidden;until you tab or click into them. That, however, means they still take up space in the viewport, as opposed todisplay: none;, which actually makes it disappear.This particular behavior meant you could have a horizontal scrollbar appear for no reason:
This PR fixes that:
On smaller viewports, nested submenus don't open rightwards, they open downwards and "stack". The alignment was off, though:
That's fixed too:
When menus have color, those rules are different, so that's tweaked too:
How has this been tested?
Please insert a navigation menu that has a bunch of nested submenu items.
Then test it with and without background colors, on small and medium (600px plus) viewport breakpoints.
Menus should look good, and there shouldn't be a horizontal scrollbar when submenu items aren't open.
Checklist:
*.native.jsfiles for terms that need renaming or removal).