public Icons() { centralWidget = new QWidget(); setCentralWidget(centralWidget); createPreviewGroupBox(); createImagesGroupBox(); createIconSizeGroupBox(); createActions(); createMenus(); createContextMenu(); QGridLayout mainLayout = new QGridLayout(); mainLayout.addWidget(previewGroupBox, 0, 0, 1, 2); mainLayout.addWidget(imagesGroupBox, 1, 0); mainLayout.addWidget(iconSizeGroupBox, 1, 1); centralWidget.setLayout(mainLayout); setWindowTitle(tr("Icons")); otherRadioButton.click(); setTextOnRadioButtons(); resize(minimumSizeHint()); }