为什么5.5不用注示呢?
void QEGLPlatformIntegration::createInputHandlers()
{
#if !defined(QT_NO_EVDEV) && (!defined(Q_OS_ANDROID) || defined(Q_OS_ANDROID_NO_SDK))
m_kbdMgr = new QEvdevKeyboardManager(QLatin1String("EvdevKeyboard"), QString() /* spec */, this);
new QEvdevMouseManager(QLatin1String("EvdevMouse"), QString() /* spec */, this);
#ifndef QT_NO_TSLIB
const bool useTslib = qEnvironmentVariableIntValue("QT_QPA_EGLFS_TSLIB");
if (useTslib)
new QTsLibMouseHandler(QLatin1String("TsLib"), QString() /* spec */);
else
#endif // QT_NO_TSLIB
new QEvdevTouchManager(QLatin1String("EvdevTouch"), QString() /* spec */, this);
#endif
}
且看5.5.1的源码。