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Touchscreen stops scrolling and zooms instead, touch can no-longer activate tabs or other widgets when this happens

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On my steam deck, from time to time, the firefox's touchscreen support seems to switch modes.

The symptoms are:

- Instead of scrolling, one-finger touch-and-drag now zooms in and out (depending on direction)
- The touchscreen no longer lets me select or close tabs, or focus or click in-page widgets
- This mode-switch is restricted to the firefox window in which it happens
  - Moving the tab to a new window results in the new window working fine
  - Other existing windows are unaffected (although they may later experience a touch mode switch  event)

I have yet to determine what triggers this switch, nor can I figure out how to undo it.

On my steam deck, from time to time, the firefox's touchscreen support seems to switch modes. The symptoms are: - Instead of scrolling, one-finger touch-and-drag now zooms in and out (depending on direction) - The touchscreen no longer lets me select or close tabs, or focus or click in-page widgets - This mode-switch is restricted to the firefox window in which it happens - Moving the tab to a new window results in the new window working fine - Other existing windows are unaffected (although they may later experience a touch mode switch event) I have yet to determine what triggers this switch, nor can I figure out how to undo it.

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