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  1. Qt
  2. QTBUG-104427

QLineSeries, QScatterSeries hovered events not run.

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.2.4, 6.3.0, 6.3.1, 6.4.0
    • Charts
    • Windows 11 Pro, 21H2
      CPU: AMD Ryzen 7 PRO 4750U with Radeon Graphics 1.70 GHz RAM:24,0 GB
      QtCreator 7, QtCreator 8 beta, VisualStudio 2022, CLion 2022.1, Standart C++20
    • Windows

    Description

      In the program I am working with, the hovered event is not triggered with QLineSeries and QScatterSeries. But when I replace it with QSplineSeries everything is fine.
      Also, when I use QScatterSeries and QLineSeries, the program that uses 35-40 MB of RAM suddenly starts using 120-130 MB of RAM. When I replace these components with QSplineSeries, the RAM returns to its normal level of 35-40 MB.

      Solved: 

      // use comment

      //series->setUseOpenGL(true);  // working fine hovered event fine, using 25 mb of ram

      // not comment

       series->setUseOpenGL(true); // hovered event is not triggered and using 120 mb of ram. 

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            e0348803 Miikka Heikkinen
            asoza A.Altan SEZEN
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            Dates

              Created:
              Updated: