163 Protected method to handle wheel events. |
163 Protected method to handle wheel events. |
164 |
164 |
165 @param evt reference to the wheel event (QWheelEvent) |
165 @param evt reference to the wheel event (QWheelEvent) |
166 """ |
166 """ |
167 if evt.modifiers() & Qt.ControlModifier: |
167 if evt.modifiers() & Qt.ControlModifier: |
168 if evt.delta()< 0: |
168 if evt.delta() < 0: |
169 self.__zoomOut() |
169 self.__zoomOut() |
170 else: |
170 else: |
171 self.__zoomIn() |
171 self.__zoomIn() |
172 evt.accept() |
172 evt.accept() |
173 return |
173 return |