https://bugs.kde.org/show_bug.cgi?id=392135
Bug ID: 392135
Summary: Reordering windows in group popup also reorder top
level windows
Product: plasmashell
Version: master
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Task Manager
Assignee: h...@kde.org
Reporter: pe...@hack-libre.org
CC: plasma-b...@kde.org
Target Milestone: 1.0
## Reproduce the bug:
For example if I have:
- App 1
- App 2
- App 3
- App 4
- App 4 – Win 1
- App 4 – Win 2
- App 5
If I try to reorder the windows of app 4, I get this result:
- App 2
- App 1
- App 3
- App 4
- App 4 – Win 2
- App 4 – Win 1
- App 5
As if App 1 was linked to «App 4 – Win 1» and App 2 to «App 4 – Win 2».
The get the same result if I try to exchange App 1 and App 2 when the group
popup is visible, except that it’s laggy, especially when reordering several
times in a row.
## Excepted behavior
- When reordering windows inside a group popup, it should not exchange
top-level windows.
- When reordering top-level windows when a group popup is visible, close the
popup on drag start (the bug is not triggered when popup group is not visible,
and closing a popup when doing something else is a more common behavior).
## Code investigation
The problem seems to lie around here[1]. As the function does the excepted
change, I guess the side effect is a bug in the model, but I couldn’t find
where the TasksModel or move function is defined.
[1]:
<https://phabricator.kde.org/source/plasma-desktop/browse/master/applets/taskmanager/package/contents/ui/MouseHandler.qml;8af970fd49f3ca33450cf3ccd81856694a0dc752$111>
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