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Make DropdownMenu's trailing icon not focusable by default #174096
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P2Important issues not at the top of the work listImportant issues not at the top of the work listc: new featureNothing broken; request for a new capabilityNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Flutterf: material designflutter/packages/flutter/material repository.flutter/packages/flutter/material repository.frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.team-designOwned by Design Languages teamOwned by Design Languages teamtriaged-designTriaged by Design Languages teamTriaged by Design Languages team
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P2Important issues not at the top of the work listImportant issues not at the top of the work listc: new featureNothing broken; request for a new capabilityNothing broken; request for a new capabilityc: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Flutterf: material designflutter/packages/flutter/material repository.flutter/packages/flutter/material repository.frameworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.team-designOwned by Design Languages teamOwned by Design Languages teamtriaged-designTriaged by Design Languages teamTriaged by Design Languages team
Use case
The current DropdownMenu implementation wrapped the trailing icon in an IconButton. Because both the TextField and the IconButton are focusable by default, this led to several focus issues.
it would be better if the icon was not a button by default.
Quoting @davidhicks980 from #172753 (comment).
"most comboboxes in the wild default to an unfocusable "button" that usually only opens the listbox when clicked"
Some examples:
On MacOS:
https://github.com/user-attachments/assets/7738df66-c144-42aa-b8ee-d4d229915d43
From WAI:
"The button has been removed from the tab sequence of the page, but is still important to assistive technologies for mobile devices that use touch events to open the list of options."
Proposal
Make the DropdownMenu trailing icon not focusable by default.