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  1. Qt
  2. QTBUG-57797

Android: Qt Quick Controls 2 button autorepeat goes into infinite loop if disabled while pressed

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical P1: Critical
    • 5.9.0 Beta 1
    • 5.8.0 Beta, 5.8.0 RC
    • Quick: Controls 2
    • None
    • 16389a1f247f14965ed0286e4fdab6bc2b1621bc

      A button from QtQuick.Controls 2 with autoRepeat on Android never stops generating click events if it becomes disabled while being pressed. I noticed this bug in Qt 5.8-beta and 5.8-rc. It used to work well with Qt 5.6 on Android and it works well with Qt 5.8-rc on Linux.

      Here is a small example to reproduce the bug, press the Increment button and release it after it is disabled. It will go into an infinite loop.

      import QtQuick 2.0
import QtQuick.Controls 2.0

ApplicationWindow {
    property int count

    visible: true

    Column {
        Button {
            enabled: count > 0
            text: "Decrement"
            autoRepeat: true
            onPressed: --count
        }
        Button {
            enabled: count < 10
            text: "Increment"
            autoRepeat: true
            onPressed: ++count
        }
        Label {
            text: count
        }
    }
}

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            frederik Frederik Gladhorn
            enz Markus Enzenberger
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              Created:
              Updated:
              Resolved:

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