734 Protected method to handle wheel events. |
734 Protected method to handle wheel events. |
735 |
735 |
736 @param evt reference to the wheel event (QWheelEvent) |
736 @param evt reference to the wheel event (QWheelEvent) |
737 """ |
737 """ |
738 if evt.modifiers() & Qt.ControlModifier: |
738 if evt.modifiers() & Qt.ControlModifier: |
739 if evt.delta()< 0: |
739 if evt.delta() < 0: |
740 self.zoomOut() |
740 self.zoomOut() |
741 else: |
741 else: |
742 self.zoomIn() |
742 self.zoomIn() |
743 evt.accept() |
743 evt.accept() |
744 return |
744 return |