connect(easyButton_, SIGNAL(toggled(bool)), this, SLOT(difficultySelectionChanged(bool)));
//connect(imageCombo_, SIGNAL(currentIndexChanged(QString)), this, SLOT(imageSelectionChanged(QString)));
connect(imageCombo_, SIGNAL(activated(QString)), this, SLOT(imageSelectionChanged(QString)));
connect(easyButton_, SIGNAL(toggled(bool)), this, SLOT(difficultySelectionChanged(bool)));
//connect(imageCombo_, SIGNAL(currentIndexChanged(QString)), this, SLOT(imageSelectionChanged(QString)));
connect(imageCombo_, SIGNAL(activated(QString)), this, SLOT(imageSelectionChanged(QString)));