Public bug reported:
When unmapping X11 client Gnome sends a stray configure notify event,
where 'y' has been moved up by the height of the window decoration.
Originally reported here: https://bugreports.qt.io/browse/QTBUG-71671
>From xtrace output I see that gnome re-parents the window to the root
window and mistakenly adjusts 'y' coordinate.
000:>:01c6: Event (generated) ConfigureNotify(22) event=0x02a00005
window=0x02a00005 above-sibling=None(0x00000000) x=600 y=526 width=200
height=200 border-width=0 override-redirect=false(0x00)
000:>:01c6: Event ReparentNotify(21) event=0x02a00005 window=0x02a00005
parent=0x0000011b x=600 y=526 override-redirect=false(0x00)
Where:
root window id = 0x0000011b
0x02a00005 = window which coordinates before calling unmap are x=600, y=600
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.2-0ubuntu0.18.04.1
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Nov 21 15:33:14 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
b'org.gnome.shell' b'enabled-extensions' b"['ubuntu-d...@ubuntu.com']"
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
InstallationDate: Installed on 2018-08-16 (97 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1804467
Title:
gnome-shell: stray configure notify event
Status in gnome-shell package in Ubuntu:
New
Bug description:
When unmapping X11 client Gnome sends a stray configure notify event,
where 'y' has been moved up by the height of the window decoration.
Originally reported here: https://bugreports.qt.io/browse/QTBUG-71671
From xtrace output I see that gnome re-parents the window to the root
window and mistakenly adjusts 'y' coordinate.
000:>:01c6: Event (generated) ConfigureNotify(22) event=0x02a00005
window=0x02a00005 above-sibling=None(0x00000000) x=600 y=526 width=200
height=200 border-width=0 override-redirect=false(0x00)
000:>:01c6: Event ReparentNotify(21) event=0x02a00005 window=0x02a00005
parent=0x0000011b x=600 y=526 override-redirect=false(0x00)
Where:
root window id = 0x0000011b
0x02a00005 = window which coordinates before calling unmap are x=600, y=600
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.2-0ubuntu0.18.04.1
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Nov 21 15:33:14 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
b'org.gnome.shell' b'enabled-extensions' b"['ubuntu-d...@ubuntu.com']"
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
InstallationDate: Installed on 2018-08-16 (97 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1804467/+subscriptions
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