192 Protected method to handle wheel events. |
192 Protected method to handle wheel events. |
193 |
193 |
194 @param evt reference to the wheel event (QWheelEvent) |
194 @param evt reference to the wheel event (QWheelEvent) |
195 """ |
195 """ |
196 if evt.modifiers() & Qt.ControlModifier: |
196 if evt.modifiers() & Qt.ControlModifier: |
197 if evt.delta()< 0: |
197 if evt.delta() < 0: |
198 self.__zoomOut() |
198 self.__zoomOut() |
199 else: |
199 else: |
200 self.__zoomIn() |
200 self.__zoomIn() |
201 evt.accept() |
201 evt.accept() |
202 return |
202 return |