** Changed in: oem-priority
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/2042796
Title:
Ubuntu 20.04: Buttons/icons at the edge of the touchscreen don't
respond to taps if they are very small
Status in Mutter:
Fix Released
Status in OEM Priority Project:
Fix Released
Status in gnome-shell package in Ubuntu:
Fix Released
Status in gnome-shell source package in Focal:
Fix Released
Bug description:
[ Impact ]
Touchscreen touches at the left or bottom edges (within 20px) of the
screen are not treated as mouse clicks. Icons only get highlighted,
not launched.
[ Test Plan ]
0. Find a touchscreen.
1. Set Ubuntu Dock in Panel mode (the default mode) if not already.
2. Touch as close to the edge of the screen as possible. Aim for the gap
between the icon and the edge of the screen.
Expect: The app launch animation occurs for each tap. Icons aren't
just highlighted.
[ Where problems could occur ]
Anywhere in touchscreen gesture tracking or even regular touchscreen
usage. As this bug demonstrates, the former is able to interfere with
even simple touchscreen actions.
[ Workaround ]
Size the Ubuntu Dock adequately large so it is unlikely the user will
touch less than 20 pixels from the edge of the screen.
[ Original description ]
On Dell OptiPlex 7400 AIO, go to gnome-control-center > appearance,
adjust the dock icon-size to 24. It is hard to launch corner app like
firefox, or trigger the launcher. The app icon gets focus but not
clicked.
1. Ubuntu version 20.04.6
2. gnome-shell 3.36.9-0ubuntu0.20.04.2
3. The app or launcher is launched after a click
4. Only see focus but no app launched
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