Touchscreen apps that support stylus input attempt to enable users to quickly delete content using a scratch-out gesture. However, these gestures require precision to make sure they cover all of the content that the user intends to delete. This often causes failure such as incomplete deletion and leads to the user having to retry the gesture. The deletion action thus takes longer than the user’s expectations, thus reducing trust in the gesture. This disclosure describes techniques that enable the user to tap or to use the scribble-out gesture to trigger a deletion. Further, dragging the scribble-out gesture surfaces an eraser tool, which the user can then drag to reach other bits of content that were not removed by the original gesture. User input is leveraged to automatically and intuitively trigger the eraser tool without the distraction of mode or context switching.
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Buckley, Thomas; Mickle, Robert; Murray, Abraham; Al Karim, Tayeb; Chan, Hiu Ying; and Cirimele, Maria, "Gesture-triggered Eraser Tool", Technical Disclosure Commons, (September 13, 2021)