QLineEdit doesn't recive any character

[nemaider]

Hello guys,

I have got problem with QLineEdit class.
I want to create lineedit object and it working, but if I running my program this input doesn't recive character that I press.
I tried to use releaseKeyboard() method, setting focus on this object too, but this still doesn't working.

My code:

QLineEdit * nicknameField = new QLineEdit();
    nicknameField->setPlaceholderText("Enter your nickname");
    nicknameField->setGeometry(pxPos,260,200,30);
    scene->addWidget(nicknameField);

QLineEdit * nicknameField = new QLineEdit();
    nicknameField->setPlaceholderText("Enter your nickname");
    nicknameField->setGeometry(pxPos,260,200,30);
    scene->addWidget(nicknameField);

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PS. If it can help I working on CLion IDE with Qt5 library on windows 10.