[dolphin] [Bug 427102] New: Shrinking Dolphin window after error causes places panel to become thinner

[Mathew]

https://bugs.kde.org/show_bug.cgi?id=427102

            Bug ID: 427102
           Summary: Shrinking Dolphin window after error causes places
                    panel to become thinner
           Product: dolphin
           Version: 20.08.1
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: modelmat at outlook.com.au
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 132000
  --> https://bugs.kde.org/attachment.cgi?id=132000&action=edit
View of Dolphin after the window has been shrunk.

SUMMARY
Noticed after messing with https://bugs.kde.org/show_bug.cgi?id=427100

After the error dialog pops up, when shrinking the window the panels on the
left side get shrunk instead. (normally it would stay the same width whilst the
inner panel shrinks).
After this, the window can no longer be resized any smaller than the width of
the text in the error message.

STEPS TO REPRODUCE
1. Resize window to a size greater than the length of the error message on one
line (maximised works here, anything smaller allows the text to resize
properly).
2. Press an unmounted volume, then hit cancel
3. Try to resize the window smaller than the error message box.

OBSERVED RESULT
The places panel on the left shrinks until it is about ~20px wide, whilst the
inner (middle) section does not. Resizing gradually will gradually shrink the
"places" panel under it meets a minimum width and you cannot resize the window
further. 

Also, using window snapping to resize width to smaller than the the minimum
window width creates an issue where the information panel on the right
disappear and the error message + folder pane extends outside the panel
borders.

EXPECTED RESULT
The places panel remains the same size and the error message flows to fit the
centre box.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.19.90
KDE Frameworks Version: 5.74.0
Qt Version: 5.15.1
Kernel Version: 5.8.12-arch1-1
OS Type: 64-bit
Processors: 4 × Intel® Core™ i5-6500 CPU @ 3.20GHz
Memory: 7.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 530

ADDITIONAL INFORMATION

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