1878 else: |
1878 else: |
1879 delta = evt.delta() |
1879 delta = evt.delta() |
1880 if evt.modifiers() & Qt.ControlModifier: |
1880 if evt.modifiers() & Qt.ControlModifier: |
1881 if delta < 0: |
1881 if delta < 0: |
1882 self.zoomOut() |
1882 self.zoomOut() |
1883 else: |
1883 elif delta > 0: |
1884 self.zoomIn() |
1884 self.zoomIn() |
1885 evt.accept() |
1885 evt.accept() |
1886 return |
1886 return |
1887 |
1887 |
1888 if evt.modifiers() & Qt.ShiftModifier: |
1888 if evt.modifiers() & Qt.ShiftModifier: |
1889 if delta < 0: |
1889 if delta < 0: |
1890 self.backward() |
1890 self.backward() |
1891 else: |
1891 elif delta > 0: |
1892 self.forward() |
1892 self.forward() |
1893 evt.accept() |
1893 evt.accept() |
1894 return |
1894 return |
1895 |
1895 |
1896 super(HelpBrowser, self).wheelEvent(evt) |
1896 super(HelpBrowser, self).wheelEvent(evt) |