Public bug reported:
Given I am logged in on the Ubuntu default desktop (running GNOME Shell 3.28.1)
when I press the "Show Applications" button at the lower end of the task bar
then only the tooltip appears
and when I press the "Show Applications" button again
then the applications (of the "Frequent" category) are shown and immediately
hidden again.
Extended scenario:
When the above described has been done a few times
then pressing the "Show Applications" button _only once_ makes the applications
show _and_ hide immediately (in a single action)
and I have to use the mouse to make the applications display.
Current Behavior
----------------
It looks like touch screen events for that area are somewhat "recorded"
and then executed all at once.
Expected Behavior
-----------------
The applications should be shown immediately upon a single touch press
on the "Show Applications" button, and hidden again the same way. In
other words, the behavior should be consistent with pressing the button
using the mouse (or touch pad).
Additional Information
----------------------
I could reproduce this issue on both a Dell Inspiron 13 5000 Series
2-in-1 (convertible with touch screen) and a Lenovo X1 Carbon 6th
Generation (2018).
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 19 11:18:53 2018
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'enabled-extensions' b"['move_cl...@rmy.pobox.com',
'system-moni...@paradoxxx.zero.gmail.com', 'pixel-sa...@deadalnix.me',
'hide_activit...@shay.shayel.org', 'docker_status@gpouilloux',
'add-username-toppa...@brendaw.com', 'logoutbut...@kyle.aims.ac.za',
'OverviewAllWindows@amiller27', 'launch-and-exp...@xenatt.github.com',
'all-wind...@ezix.org']"
b'org.gnome.shell' b'enable-hot-corners' b'true'
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'show-battery-percentage' b'true'
InstallationDate: Installed on 2018-04-06 (13 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180403)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
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https://bugs.launchpad.net/bugs/1765356
Title:
"Show Applications" button triggers too often on touchscreen
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