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  1. Qt
  2. QTBUG-77142

MultiPointTouchArea does not update pressure unless x,y is changed

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    Details

    • Platform/s:
      Linux/Other display system
    • Commits:
      1b0c45f683cef20aacc8f40273aa89200e9924e4 217dd1b3b03cd40b4bb926631464c684f7f84a69 bc35941dbbf6cbd09805a2217ecb062c565855ad ee9bc61cd906505271bad887664c15b9397906ab (qtbase); ae346195efaca5d01b67c5df1209512c7edaddb0 (qtdeclarative)

      Description

      When using a MultiPointTouchArea on a display that supports pressure there are no updates to pressure property of the TouchPoint unless the x/y value is also changed.

      Expected: Pressure can be updated independently of position.

       

      Attachments: 

      kernal-touch-log.txt: output of linux touch driver

      qmlscene-log.txt: output of events from included multi.qml which tests MultiPointTouchArea

      multi.qml: Sample QML file that can be ran with qmlscene to observe the issue. 

        Attachments

          Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-40167 Nested PinchArea and MultiPointTouchArea blocking events

          • P4: Low - Would be nice to fix, but it's not very important.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-52510 a stationary QTouchEvent::TouchPoint is not delivered even if it represents a change in velocity (TUIO)

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          relates to

          Suggestion - Public suggestions QTBUG-79038 Way to mimic iOS's "3D Touch" in QML

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

            Activity

              People

              Assignee:
              srutledg Shawn Rutledge
              Reporter:
              thomasvictor Thomas Victor
              Votes:
              1 Vote for this issue
              Watchers:
              11 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: