[konsole] [Bug 496716] New: konsole receives partial focus when switching with Alt-Tab

[Phil Hord]

https://bugs.kde.org/show_bug.cgi?id=496716

            Bug ID: 496716
           Summary: konsole receives partial focus when switching with
                    Alt-Tab
    Classification: Applications
           Product: konsole
           Version: 24.08.3
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: phil.hord at gmail.com
  Target Milestone: ---

SUMMARY
When I switch to a console window with Alt-Tab, konsole acts like it has not
fully received the focus until I press another key. The primary issue is that,
while it's in this state, I cannot paste from the "primary" clipboard using the
mouse middle-click into the console. Another symptom I notice is that the
terminal cursor (the "caret") is a hollow block instead of a solid block.

Once I type something into the konsole, the caret becomes a solid block and
middle-click pasting starts working again.

This started happening in Plasma 6.2, I think.

STEPS TO REPRODUCE
1. Highlight some text with the mouse
2. Use Alt-Tab to switch to a konsole window
3. Middle-click on the Konsole window

OBSERVED RESULT
The clipboard is not pasted into the console.
The terminal cursor/caret remains a hollow block.

EXPECTED RESULT
The clipboard is pasted into the console.
The terminal cursor/caret switches to a solid block.

SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.2
KDE Plasma Version: 6.2.3
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.8.0-49-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-10610U CPU @ 1.80GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
Manufacturer: LENOVO
Product Name: 20UCS4TR00
System Version: ThinkPad X1 Yoga Gen 5

ADDITIONAL INFORMATION
If I do not switch to the konsole with Alt-Tab, this problem does not occur. 
If the konsole does not have the focus and I do any of the following, the solid
caret appears and I am able to paste with middle-click button.

1. Left-click on the konsole window.
2. Right-click on the konsole window.
3. Middle-click on the konsole window.
4. Alt-tab to the konsole window and then press any key, even the Shift key.

The problem appears only when I use Alt-Tab to switch focus to the konsole
window and do not press another key.  At this point, I cannot middle-click to
paste into the window, and the caret remains a hollow block.

I have not changed any keyboard, mouse or konsole configurations recently that
I can remember.

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