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  1. Qt
  2. QTBUG-71470

TapHandler goes in invalid state after 3 taps with touchpad

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical P1: Critical
    • 5.12.0 Beta 4
    • 5.12.0 Beta 3
    • Quick: Mouse Touch and Tablet input
    • None
    • Dell XPS 15 9560
      Microsoft Windows 10 Pro (Version 10.0.17134 Build 17134)
    • Windows
    • 35069301f048eed21a27f89b6495d56c44f2b55d (qt/qtbase/5.12.0)

      With the following code:

      Rectangle {
    id: rectangle

    implicitWidth: 200
    implicitHeight: 200
    color: "#FFE082"

    Text {
        anchors.centerIn: parent
        text: "Pressed: %1, Time held: %2".arg(tapHandler.pressed).arg(tapHandler.timeHeld)
    }

    TapHandler {
        id: tapHandler

        onTapped: console.debug("onTapped")
        onSingleTapped: console.debug("onSingleTapped")
        onDoubleTapped: console.debug("onDoubleTapped")
        onLongPressed: console.debug("onLongPressed")
        onCanceled: console.debug("onCanceled")
    }
}

      after 3 light fast taps (without really pressing of the touchpad) signal longPressed will be emitted. TapHandler stays in this state for some time and does not respond to clicks with mouse, touchpad or touch with touch screen

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            anrocha André De La Rocha (Inactive)
            permotion88 Karol Polak
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              Created:
              Updated:
              Resolved:

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