D17120: Implement zooming with Ctrl+mouse wheel

[Yuri Chornoivan]

yurchor added a comment.


  In D17120#369588 <https://phabricator.kde.org/D17120#369588>, @aacid wrote:
  
  > In D17120#368102 <https://phabricator.kde.org/D17120#368102>, @yurchor wrote:
  >
  > > Add threshold to get rid of potential unwanted zooming on very sensitive touchpads.
  >
  >
  > You need to accumulate them, otherwise people where all the deltas are small will never get it to work.
  
  
  I have no idea how to do this. The example is not informative. Please advise.

REPOSITORY
  R334 KmPlot

REVISION DETAIL
  https://phabricator.kde.org/D17120

To: yurchor, #kde_edu, tcanabrava
Cc: cfeck, aacid, tcanabrava, kde-edu, kde-doc-english, skadinna, narvaez, apol
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