[Koko] [Bug 469508] New: Cannot exit fullscreen after clicking the back button while in fullscreen mode

[Jack Hill]

https://bugs.kde.org/show_bug.cgi?id=469508

            Bug ID: 469508
           Summary: Cannot exit fullscreen after clicking the back button
                    while in fullscreen mode
    Classification: Applications
           Product: Koko
           Version: 23.04.0
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: General
          Assignee: unassigned-bugs at kde.org
          Reporter: jackhill3103 at gmail.com
                CC: nate at kde.org
  Target Milestone: ---

SUMMARY
This is a problem because the only way to exit fullscreen mode after triggering
this bug is to close Koko. Users may not know the specific key combos to close
or switch window (e.g. alt-f4 or alt-tab) and so they may resort to powering
off their PC (maybe a bit of a stretch, but I don't doubt that these types of
user exist).

STEPS TO REPRODUCE
1. Open a photo
2. Go into fullscreen mode
3. Click the back button
4. Click on a photo
5. Click "Exit Fullscreen"

OBSERVED RESULT
After 3: there is no button to exit fullscreen mode
After 5: clicking the button does nothing
I have to close re-open Koko to exit fullscreen mode

EXPECTED RESULT
Either (1) don't let us go to the image browser view when in fullscreen mode
or (2) have an "Exit Fullscreen" button in the image browser view

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20230501
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Kernel Version: 6.2.12-1-default (64-bit)
Graphics Platform: X11

ADDITIONAL INFORMATION

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