[dolphin] [Bug 502232] New: popups during html preview generation (Wayland)

[Ruben Kelevra]

https://bugs.kde.org/show_bug.cgi?id=502232

            Bug ID: 502232
           Summary: popups during html preview generation (Wayland)
    Classification: Applications
           Product: dolphin
           Version: 24.12.3
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: panels: information
          Assignee: dolphin-bugs-null at kde.org
          Reporter: cyrond at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
If hovering over an html file, there will be a not contained popup with the
preview shown, which is supposed to be shown in the side panel.

Meanwhile the following error will be logged on the console:

```
qt.qpa.wayland: Creating a popup with a parent, QWidgetWindow(0x5....0,
name="Dolphin#1Window") which does not match the current topmost grabbing
popup, QWidgetWindow(0x5...0, name="QMenuClassWindow") With some shell surface
protocols, this is not allowed. The wayland QPA plugin is currently handling it
by setting the parent to the topmost grabbing popup. Note, however, that this
may cause positioning errors and popups closing unxpectedly. Please fix the
transient parent of the popup.
``` 

Sometimes the popup will show up multiple times, which makes me believe there's
another bug that the preview will be actually created multiple times instead of
just once. In addition the preview doesn't seem to be stored at all, and
instead be recreated on each hover - which is quite a performance concern.

Apart from this these popups sometimes also happen if Dolphin is in the
background and other windows cover it. Leading me to believe that Dolphin under
Wayland currently does not recognize that it's moved in the background and will
render popups regardless, just because the cursor is hovering over files (while
another window is covering it) - which is another performance concern.

These popups can completely be avoided by turning off html file previews in the
Dolphin settings.


STEPS TO REPRODUCE
1.  Save a website in a folder
2.  Run KDE under Wayland
3.  Open Dolphin
4. Hover the html file


OBSERVED RESULT
See uncontained popup

EXPECTED RESULT
No uncontained popup

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3

ADDITIONAL INFORMATION
Have been reported by u/ReadingThin3038 and u/Attacktive on Reddit as well:

https://www.reddit.com/r/kde/comments/1jcgbt2/dolphin_shows_popup_preview_windows/

SCREENSHOT

See redit post

-- 
You are receiving this mail because:
You are on the CC list for the bug.