** Description changed: Upstream issue: https://gitlab.gnome.org/GNOME/gtk/-/issues/7515 - Touchscreens are under "Virtual core pointer" virtual device in X11, and the virtual device is recognized as a `GDK_SOURCE_MOUSE`. - in `gdk/x11/gdk/x11/gdkdevicemanager-xi2.c`, `gdk_touch_event_new` is passed with the virtual device. - There are many places that checks whether the event is from touchscreen or mouse, by using `gdk_device_get_source` on the device included in the event above, which is `GDK_SOURCE_MOUSE` despite a touchscreen physical device is used. + This issue caused bugs for LP:# 2051886 and LP: #2119065, as they + interpret touchscreen input as mouse events, and expect it to input like + a mouse. + A ubuntu-bug report will be submitted later - --- + --- ProblemType: Bug ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 CasperMD5CheckMismatches: ./.disk/casper-uuid-oem ./casper/initrd ./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size ./casper/minimal.manifest ./casper/minimal.standard.manifest ./casper/minimal.standard.size ./casper/minimal.hotfix.size ./casper/minimal.standard.live.hotfix.squashfs ./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size ./casper/minimal.hotfix.squashfs ./casper/minimal.standard.live.manifest ./casper/minimal.size ./boot/grub/grub.cfg CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: - # This is the distribution channel descriptor for Ubuntu 24.04 for Dell - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-somerville-noble-oem-24.04b-20250714-538 + # This is the distribution channel descriptor for Ubuntu 24.04 for Dell + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-somerville-noble-oem-24.04b-20250714-538 DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2025-07-15 (15 days ago) InstallationMedia: Ubuntu OEM 24.04.2 LTS "Noble Numbat" - Release amd64 (20250714) Package: libgtk-4-1 4.14.5+ds-0ubuntu0.1 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 6.11.0-1025.25-oem 6.11.11 Tags: noble Uname: Linux 6.11.0-1025-oem x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sudo users _MarkForUpload: True
** Description changed: Upstream issue: https://gitlab.gnome.org/GNOME/gtk/-/issues/7515 - Touchscreens are under "Virtual core pointer" virtual device in X11, and the virtual device is recognized as a `GDK_SOURCE_MOUSE`. - in `gdk/x11/gdk/x11/gdkdevicemanager-xi2.c`, `gdk_touch_event_new` is passed with the virtual device. - There are many places that checks whether the event is from touchscreen or mouse, by using `gdk_device_get_source` on the device included in the event above, which is `GDK_SOURCE_MOUSE` despite a touchscreen physical device is used. - This issue caused bugs for LP:# 2051886 and LP: #2119065, as they + This issue caused bugs for LP: #2051886 and LP: #2119065, as they interpret touchscreen input as mouse events, and expect it to input like a mouse. A ubuntu-bug report will be submitted later --- ProblemType: Bug ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 CasperMD5CheckMismatches: ./.disk/casper-uuid-oem ./casper/initrd ./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size ./casper/minimal.manifest ./casper/minimal.standard.manifest ./casper/minimal.standard.size ./casper/minimal.hotfix.size ./casper/minimal.standard.live.hotfix.squashfs ./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size ./casper/minimal.hotfix.squashfs ./casper/minimal.standard.live.manifest ./casper/minimal.size ./boot/grub/grub.cfg CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: # This is the distribution channel descriptor for Ubuntu 24.04 for Dell # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-noble-oem-24.04b-20250714-538 DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2025-07-15 (15 days ago) InstallationMedia: Ubuntu OEM 24.04.2 LTS "Noble Numbat" - Release amd64 (20250714) Package: libgtk-4-1 4.14.5+ds-0ubuntu0.1 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 6.11.0-1025.25-oem 6.11.11 Tags: noble Uname: Linux 6.11.0-1025-oem x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sudo users _MarkForUpload: True -- You received this bug notification because you are a member of Debcrafters packages, which is subscribed to gtk4 in Ubuntu. https://bugs.launchpad.net/bugs/2119066 Title: X11 touchscreen events are handled as mouse events Status in gtk4 package in Ubuntu: New Bug description: Upstream issue: https://gitlab.gnome.org/GNOME/gtk/-/issues/7515 - Touchscreens are under "Virtual core pointer" virtual device in X11, and the virtual device is recognized as a `GDK_SOURCE_MOUSE`. - in `gdk/x11/gdk/x11/gdkdevicemanager-xi2.c`, `gdk_touch_event_new` is passed with the virtual device. - There are many places that checks whether the event is from touchscreen or mouse, by using `gdk_device_get_source` on the device included in the event above, which is `GDK_SOURCE_MOUSE` despite a touchscreen physical device is used. This issue caused bugs for LP: #2051886 and LP: #2119065, as they interpret touchscreen input as mouse events, and expect it to input like a mouse. A ubuntu-bug report will be submitted later --- ProblemType: Bug ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 CasperMD5CheckMismatches: ./.disk/casper-uuid-oem ./casper/initrd ./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size ./casper/minimal.manifest ./casper/minimal.standard.manifest ./casper/minimal.standard.size ./casper/minimal.hotfix.size ./casper/minimal.standard.live.hotfix.squashfs ./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size ./casper/minimal.hotfix.squashfs ./casper/minimal.standard.live.manifest ./casper/minimal.size ./boot/grub/grub.cfg CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: # This is the distribution channel descriptor for Ubuntu 24.04 for Dell # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-noble-oem-24.04b-20250714-538 DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2025-07-15 (15 days ago) InstallationMedia: Ubuntu OEM 24.04.2 LTS "Noble Numbat" - Release amd64 (20250714) Package: libgtk-4-1 4.14.5+ds-0ubuntu0.1 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 6.11.0-1025.25-oem 6.11.11 Tags: noble Uname: Linux 6.11.0-1025-oem x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sudo users _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk4/+bug/2119066/+subscriptions -- Mailing list: https://launchpad.net/~debcrafters-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~debcrafters-packages More help : https://help.launchpad.net/ListHelp
