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Message #69178
[Bug 1442576] [NEW] Touch input is misaligned when using QT_DEVICE_PIXEL_RATIO=2
Public bug reported:
I have a high-dpi monitor with touch-screen, and when running ubuntu-ui-
toolkit-gallery the interface is too small to read.
I can fix this by setting the QT_DEVICE_PIXEL_RATIO environment variable
to 2. However, the touch screen input still acts as if the scaling is
set to 1 - so a press on one button actually triggers a press on another
button.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: qtdeclarative5-ubuntu-ui-toolkit-plugin 1.2.1458+15.04.20150327-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
Uname: Linux 3.19.0-13-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Apr 10 18:48:39 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-04-07 (3 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Beta amd64 (20150326)
SourcePackage: ubuntu-ui-toolkit
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-ui-toolkit (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug gnome3-ppa third-party-packages vivid
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Touch seeded packages, which is subscribed to ubuntu-ui-toolkit in
Ubuntu.
https://bugs.launchpad.net/bugs/1442576
Title:
Touch input is misaligned when using QT_DEVICE_PIXEL_RATIO=2
Status in ubuntu-ui-toolkit package in Ubuntu:
New
Bug description:
I have a high-dpi monitor with touch-screen, and when running ubuntu-
ui-toolkit-gallery the interface is too small to read.
I can fix this by setting the QT_DEVICE_PIXEL_RATIO environment
variable to 2. However, the touch screen input still acts as if the
scaling is set to 1 - so a press on one button actually triggers a
press on another button.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: qtdeclarative5-ubuntu-ui-toolkit-plugin 1.2.1458+15.04.20150327-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-13.13-generic 3.19.3
Uname: Linux 3.19.0-13-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Apr 10 18:48:39 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-04-07 (3 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Beta amd64 (20150326)
SourcePackage: ubuntu-ui-toolkit
UpgradeStatus: No upgrade log present (probably fresh install)
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