My current theory is that when icons are sufficiently small or close to
the edge of the screen, it's too easy for the touch "gesture" to start
outside of the icon area (e.g. finger touching the display bezel). The
pressure then increases and the touch moves into the icon area. But
that's much the same as dragging your finger onto an icon. Try it in the
app grid and you'll get the same behaviour (icon thinks you're hovering,
not clicking).
Such touches may work more often in later Ubuntu releases just by virtue
of the actor/theme padding in ubuntu-dock. But I can reproduce the same
issue even in newer Ubuntu releases by sliding a finger onto an icon. So
I think that's probably the issue -- not really a bug but it feels like
a bug if you don't know the touch started outside the icon's sensitive
area.
Short term I just suggest good UI design - if it's a touch UI then make
sure the icons and buttons are big. Longer term we'll see what we can do
about making 20.04 more reliable, but we're busy supporting a lot of
different releases.
** Also affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-shell (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: gnome-shell (Ubuntu Jammy)
Status: New => Fix Released
** Changed in: gnome-shell (Ubuntu Mantic)
Status: New => Fix Released
** Changed in: gnome-shell (Ubuntu Noble)
Status: New => Fix Released
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell-extension-ubuntu-dock in
Ubuntu.
https://bugs.launchpad.net/bugs/2042796
Title:
Ubuntu 20.04 The edge of the touchscreen is not sensitive
Status in OEM Priority Project:
Triaged
Status in gnome-shell package in Ubuntu:
Fix Released
Status in gnome-shell-extension-ubuntu-dock package in Ubuntu:
Fix Released
Status in gnome-shell source package in Focal:
New
Status in gnome-shell-extension-ubuntu-dock source package in Focal:
In Progress
Status in gnome-shell source package in Jammy:
Fix Released
Status in gnome-shell-extension-ubuntu-dock source package in Jammy:
Fix Released
Status in gnome-shell source package in Mantic:
Fix Released
Status in gnome-shell-extension-ubuntu-dock source package in Mantic:
Fix Released
Status in gnome-shell source package in Noble:
Fix Released
Status in gnome-shell-extension-ubuntu-dock source package in Noble:
Fix Released
Bug 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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