[kde] [Bug 483348] Plasma desktop panel moving to wrong screen on next login

[David Redondo]

https://bugs.kde.org/show_bug.cgi?id=483348

David Redondo <kde at david-redondo.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|https://invent.kde.org/plas |https://invent.kde.org/plas
                   |ma/plasma-workspace/-/commi |ma/plasma-workspace/-/commi
                   |t/27dd68970f33627ba52903c2f |t/d03a98fc69c94f83f9410651d
                   |c5b1442c7217e0f             |15a21ff41a72904

--- Comment #11 from David Redondo <kde at david-redondo.de> ---
Git commit d03a98fc69c94f83f9410651d15a21ff41a72904 by David Redondo.
Committed on 26/03/2024 at 14:06.
Pushed by davidre into branch 'Plasma/6.0'.

Avoid positioning the panel when it has no size yet

Calling setPosition with a position of the left-most pixel of a screen
and  size of 0x0 will set the screen to be the one to the left of it.
Making screenToFollow() and QWindow::screen() out of sync temporarily.
While arguably a Qt issue and this being fixed up later when the panel
resizes and other properties are updated, we need to workaround this
to our usage of layer-shell. Layer surfaces can't change screen once
created. It can happen that the surface is created during the time
that the panel is on the wrong screen, resulting in the panel
appearing on the wrong screen while thinking it is on another one.
To fix this the initial positionPanel() call is removed, the
panel will now be positioned after it has resized from the event handler.
Related: bug 483102, bug 470434
FIXED-IN:6.0.3


(cherry picked from commit 27dd68970f33627ba52903c2fc5b1442c7217e0f)

M  +1    -1    shell/panelview.cpp

https://invent.kde.org/plasma/plasma-workspace/-/commit/d03a98fc69c94f83f9410651d15a21ff41a72904

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