[dolphin] [Bug 423492] New: statusbar blocks gui thread when counting items

[Harald Sitter]

https://bugs.kde.org/show_bug.cgi?id=423492

            Bug ID: 423492
           Summary: statusbar blocks gui thread when counting items
           Product: dolphin
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: bars: status
          Assignee: dolphin-bugs-null at kde.org
          Reporter: sitter at kde.org
                CC: kfm-devel at kde.org
  Target Milestone: ---

DolphinView::statusBarText calls DolphinView::calculateItemCount calls
KJob::exec which blocks the gui thread for potentially long amounts of time if
the disk is at IO capacity and/or generally has latency (mounted network
shares). this needs to be made async. as a stopgap supposedly statusBarText
could return a fixed string if item.isSlow()

#5  0x00007fc374eeaf0e in KJob::exec() () from
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#6  0x00007fc375e98fcf in DolphinView::calculateItemCount
(this=this at entry=0x5570c4032bd0, fileCount=@0x7ffd2191d264: 0, 
    folderCount=@0x7ffd2191d260: 0, totalFileSize=@0x7ffd2191d280: 0) at
./src/views/dolphinview.cpp:1531

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