[Bug 1917010] Re: Hard to detect double-clicks on the HiDPI touchscreen system

[Steve Langasek]

Hello jeremyszu, or anyone else affected,

Accepted gnome-shell-extension-desktop-icons into focal-proposed. The
package will build now and be available at
https://launchpad.net/ubuntu/+source/gnome-shell-extension-desktop-
icons/20.04.0-3~ubuntu20.04.2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: gnome-shell-extension-desktop-icons (Ubuntu Focal)
       Status: In Progress => Fix Committed

** Tags added: verification-needed-focal

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https://bugs.launchpad.net/bugs/1917010

Title:
  Hard to detect double-clicks on the HiDPI touchscreen system

Status in gnome-shell-extension-desktop-icons package in Ubuntu:
  Fix Released
Status in gnome-shell-extension-desktop-icons-ng package in Ubuntu:
  Fix Released
Status in gnome-shell-extension-desktop-icons source package in Focal:
  Fix Committed
Status in gnome-shell-extension-desktop-icons source package in Hirsute:
  Fix Committed
Status in gnome-shell-extension-desktop-icons-ng source package in Hirsute:
  Fix Committed
Status in gnome-shell-extension-desktop-icons source package in Impish:
  Fix Released
Status in gnome-shell-extension-desktop-icons-ng source package in Impish:
  Fix Released

Bug description:
  == SRU Justification ==
  [Impact]
  Double tap desktop icons on a touchscreen barely works.

  [Fix]
  Because tapping isn't as precise as clicking, ignore the double click distance as long as the icon is tapped.

  [Test]
  Roughly double tap the desktop icon and nothing happens.
  After applying the fix, double tap can 100% open the app or directory.
  [racb] Since single click code is also being adjusted, please also test that single clicking behaviour has not changed.
  [racb] Since clicking with modifiers (holding Shift and/or Ctrl) is also being adjusted, please also test that modifier clicking behaviour has not changed.

  [Where problems could occur]
  If the new code throws any exception, clicking can also be affected.

  == Original Bug Report ==
  Double-clicks touchscreen on HiDPI system, sometime it will not be detected.
  Here is a related patch on upstream
  https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1487

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