Declare zoom as a method because it's never used as a slot. Declare updatePixmap as a method because it's used as a slot as pointer-to-member-function, so it doesn't need help from moc. Q_OBJECT is not needed anymore as the MandelbrotWidget class doesn't contain signals ans slots anymore. It's replaced by Q_DECLARE_TR_FUNCTIONS because we are using tr() function. Fixes: QTBUG-108861 Change-Id: I9a1d66711cdc9f0ca5a1bc6645f7e0ed3395645c Reviewed-by: Ivan Solovev <ivan.solovev@qt.io> (cherry picked from commit 2a2275756b31ae870b5735aecb21a6e8f4c6bd55)
Qt is supplied with a number of example applications that have been written to provide developers with examples of the Qt API in use, highlight good programming practice, and showcase features found in each of Qt's core technologies. Documentation for examples can be found in the Examples section of the Qt documentation.