Method eventFilter

src/ZoomEventWatcher.cpp:49–67

}

bool ZoomEventWatcher::eventFilter(QObject *obj, QEvent *event)
{
    if (event->type() == QEvent::Wheel) {
        QWheelEvent *wheelEvent = static_cast<QWheelEvent *>(event);

        if (!isWheelEventHorizontal(wheelEvent)) {
            if (QApplication::keyboardModifiers() & Qt::ControlModifier) {
                if (wheelEventYDelta(wheelEvent) > 0) {
                    emit zoomIn();
                } else {
                    emit zoomOut();
                }
                return true;
            }
        }
    }

    return QObject::eventFilter(obj, event);
}