[Bug 1760325] Re: Unresponsive scrollbars in application categories of Application Dashboard widget

[anj]

** Description changed:

  Ubuntu release:
  
  Ubuntu Bionic Beaver (development branch), but the problem also occurs
  in Kubuntu 17.10 if upgraded to Plasma 5.12 through the backports PPA.
  
  Package version:
  
  plasma-desktop:
-   Installed: 4:5.12.4-0ubuntu1
-   Candidate: 4:5.12.4-0ubuntu1
-   Version table:
-  *** 4:5.12.4-0ubuntu1 500
-         500 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
-         100 /var/lib/dpkg/status
+   Installed: 4:5.12.4-0ubuntu1
+   Candidate: 4:5.12.4-0ubuntu1
+   Version table:
+  *** 4:5.12.4-0ubuntu1 500
+         500 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
+         100 /var/lib/dpkg/status
  
  What I expect to happen:
  
  Application categories with more applications than will fit on one page
  naturally get a scrollbar. I expect this scrollbar to turn blue/display
  some other "hover decoration" when moused over and to respond to
  clicking and dragging.
  
  What happens instead:
  
  Nothing. Clicking the scrollbar in (say) my rather large Games category
  has the same effect as clicking on an empty space in the Application
  Dashboard widget; i.e., it just exits the widget.
  
  Please note: the scrollbar in the All Applications page DOES work; it's
  only the scrollbars for the regular categories (as specified in a .menu)
  file that do not.
  
+ Also, scrolling with the mouse wheel still works, and the scrollbars
+ (while unresponsive to clicking) will move correctly when doing so.
+ 
  I wish I had any logs to provide but I don't know where this would be
  logged, if anywhere.
  
  It still works on my Kubuntu 17.10 install with Plasma 5.10.
  
  Using Xorg.

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https://bugs.launchpad.net/bugs/1760325

Title:
  Unresponsive scrollbars in application categories of Application
  Dashboard widget

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