** Description changed:
+ [Impact]
+ Windows can not be moved above the top of screen because the coordinates
system used is wrong.
+
+ [Test Case]
+ * Launch a non-CSD application, such as Firefox or Thunderbird;
+ * Try Alt-dragging it above the top of the screen.
+
+ [Regression Potential]
+ The fix is changing the coordinates system to the right one and should not
cause any regressions.
+
+ -----------------------------------------------------------------------------
+
After upgrading to 15.10, I can no longer Alt-drag Firefox and
Thunderbird windows above the top of the screen. When I attempt to do
so, the window snaps downward along the y-axis so that the titlebar
aligns with top of screen. Other applications such as gnome-terminal do
not seem to be affected.
I ran git-bisect on metacity, and narrowed the regression down to this
commit:
https://github.com/GNOME/metacity/commit/90b36abebdf69be0abaec4015d01e46296f6f5d6
commit 90b36abebdf69be0abaec4015d01e46296f6f5d6
Author: Alberts Muktupāvels <[email protected]>
Date: Fri Apr 3 23:30:20 2015 +0300
- window: add a meta_window_get_titlebar_rect
-
- Based on mutter commits:
-
https://git.gnome.org/browse/mutter/commit/?id=3a0af0faaebb1af75925c70ad98e73c61e57639b
-
https://git.gnome.org/browse/mutter/commit/?id=ac099343dab7b5048ce242958c454c55d1924902
+ window: add a meta_window_get_titlebar_rect
+
+ Based on mutter commits:
+
https://git.gnome.org/browse/mutter/commit/?id=3a0af0faaebb1af75925c70ad98e73c61e57639b
+
https://git.gnome.org/browse/mutter/commit/?id=ac099343dab7b5048ce242958c454c55d1924902
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: metacity 1:3.17.2-4ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME-Flashback:Unity
Date: Thu Oct 22 13:35:02 2015
InstallationDate: Installed on 2014-09-22 (394 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
SourcePackage: metacity
UpgradeStatus: Upgraded to wily on 2015-10-22 (0 days ago)
** Also affects: metacity (Ubuntu Yakkety)
Importance: Undecided
Status: Fix Released
** Also affects: metacity (Ubuntu Xenial)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1509031
Title:
can no longer alt-drag firefox/thunderbird windows above top of screen
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