LeftToRight:

5.3.0 QWindowsVistaStyle(0xf67aee6930, name = "windowsvista")
QObject::connect: Cannot connect QAction::triggered(bool) to (null)::(null)
QObject::connect: Cannot connect QAction::triggered(bool) to (null)::(null)
QWindowsVistaStyle::drawControl QMenu(0xf67adffb58, name = "menu") direction 0 checkcol 28 p1 QPoint(28,3) QRect(3,3 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xf67adffb58, name = "menu") direction 0 checkcol 28 p1 QPoint(28,25) QRect(3,25 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xf67adffb58, name = "menu") direction 0 checkcol 28 p1 QPoint(28,87) QRect(3,87 151x9) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xf67adffb58, name = "menu") direction 0 checkcol 28 p1 QPoint(28,96) QRect(3,96 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
MyMenu::callinitStyleOption QObject(0x0) 
MenuItemWidget::paintEvent QStyleOptionMenuItem QRect(0,0 151x20) QRect(0,0 158x121) GEOM QRect(3,47 151x20) ACTION GEOM:  QRect(3,47 151x20)
QWindowsVistaStyle::drawControl QWidget(0xf67aeedb50, name = "MenuItemWidget") direction 0 checkcol 25 p1 QPoint(25,0) QRect(0,0 151x20) right  150 dx 3 abs checkcol 28 abs p1x 28 abs right 153
drawDiagonal QRect(0,0 151x20)
MenuItemWidget::paintEvent <
MyMenu::callinitStyleOption QObject(0x0) 
MenuItemWidget::paintEvent QStyleOptionMenuItem QRect(0,0 151x20) QRect(0,0 158x121) GEOM QRect(3,67 151x20) ACTION GEOM:  QRect(3,67 151x20)
QWindowsVistaStyle::drawControl QWidget(0xf67aeeecd0, name = "MenuItemWidget") direction 0 checkcol 25 p1 QPoint(25,0) QRect(0,0 151x20) right  150 dx 3 abs checkcol 28 abs p1x 28 abs right 153
drawDiagonal QRect(0,0 151x20)
MenuItemWidget::paintEvent <

-reverse:

5.3.0 QWindowsVistaStyle(0xe9d7f27310, name = "windowsvista")
QObject::connect: Cannot connect QAction::triggered(bool) to (null)::(null)
QObject::connect: Cannot connect QAction::triggered(bool) to (null)::(null)
QWindowsVistaStyle::drawControl QMenu(0xe9d7e6fc08, name = "menu") direction 0 checkcol 28 p1 QPoint(28,3) QRect(3,3 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xe9d7e6fc08, name = "menu") direction 0 checkcol 28 p1 QPoint(28,25) QRect(3,25 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xe9d7e6fc08, name = "menu") direction 0 checkcol 28 p1 QPoint(28,87) QRect(3,87 151x9) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
QWindowsVistaStyle::drawControl QMenu(0xe9d7e6fc08, name = "menu") direction 0 checkcol 28 p1 QPoint(28,96) QRect(3,96 151x22) right  153 dx 0 abs checkcol 28 abs p1x 28 abs right 153
MyMenu::callinitStyleOption QObject(0x0) 
MenuItemWidget::paintEvent QStyleOptionMenuItem QRect(0,0 151x20) QRect(0,0 158x121) GEOM QRect(3,47 151x20) ACTION GEOM:  QRect(3,47 151x20)
QWindowsVistaStyle::drawControl QWidget(0xe9d7f31780, name = "MenuItemWidget") direction 0 checkcol 25 p1 QPoint(25,0) QRect(0,0 151x20) right  150 dx 3 abs checkcol 28 abs p1x 28 abs right 153
drawDiagonal QRect(0,0 151x20)
MenuItemWidget::paintEvent <
MyMenu::callinitStyleOption QObject(0x0) 
MenuItemWidget::paintEvent QStyleOptionMenuItem QRect(0,0 151x20) QRect(0,0 158x121) GEOM QRect(3,67 151x20) ACTION GEOM:  QRect(3,67 151x20)
QWindowsVistaStyle::drawControl QWidget(0xe9d7f31880, name = "MenuItemWidget") direction 0 checkcol 25 p1 QPoint(25,0) QRect(0,0 151x20) right  150 dx 3 abs checkcol 28 abs p1x 28 abs right 153
drawDiagonal QRect(0,0 151x20)
MenuItemWidget::paintEvent <