** Description changed:
+ [ Impact ]
+
+ When using a touchscreen for input, GTK4/libadwaita applications cannot
+ be dragged by the titlebar to move the window around the screen.
+
+ This is tracked upstream at
https://gitlab.gnome.org/GNOME/gtk/-/issues/5610
- cross posting this here since it affects the majority of Ubuntu's UI
- applications in Ubuntu Noble (eg: settings) and is perceived as a
- regression by users from Ubuntu Jammy where the majority of applications
- are GTK3 based.
+ [ Test Plan ]
- This is a confirmed GTK4 bug (not mutter) and affects all releases of
- GTK4 on all DEs/compositors (eg: Gnome with Mutter, KDE with KWin, Unity
- with compiz)
+ 1. Log in to Ubuntu (on X.org)
+ 2. Open Files
+ 3. Using a touchscreen, drag the window by its title
+ 4. Verify that you could move the window
- Hoping to have a ubuntu developer look into this regression since the
- upstream bug report has existed for almost 1 year with no action from
- gnome.
+ [ Regression Test Plan ]
+
+ 1. Log in to Ubuntu (on X.org)
+ 2. Open Files
+ 3. Using a mouse, drag the window by its title
+ 4. Verify that you could move the window
+
+ [ Where problems could occur ]
+
+ The patch only affects X11 and couldn't possibly regress Wayland.
+ The patch affects general input handling in GTK4, so a regression test plan
is included to ensure that the same action can still be performed with a mouse
too.
** Also affects: gtk4 (Ubuntu Plucky)
Importance: Undecided
Status: New
** Changed in: gtk4 (Ubuntu Plucky)
Status: New => In Progress
** Changed in: gtk4 (Ubuntu Noble)
Status: Triaged => In Progress
** Changed in: gtk4 (Ubuntu Plucky)
Importance: Undecided => Low
** Changed in: gtk4 (Ubuntu Plucky)
Assignee: (unassigned) => Alessandro Astone (aleasto)
** Changed in: gtk4 (Ubuntu Plucky)
Milestone: None => plucky-updates
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Desktop Bugs, which is subscribed to gtk4 in Ubuntu.
https://bugs.launchpad.net/bugs/2051886
Title:
Unable to move windows by dragging the title bar on GTK4 Xorg with
touchscreens
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