Mercurial Repositories > eric / file comparison
comparison: Graphics/PixmapDiagram.py
Graphics/PixmapDiagram.py
- changeset 3778
- 0c5bc18da740
- parent 3656
- 441956d8fce5
- child 4021
- 195a471c327b
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| 3777:0c47cbb5b199 | 3778:0c5bc18da740 |
|---|---|
| 7 Module implementing a dialog showing a pixmap. | 7 Module implementing a dialog showing a pixmap. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from __future__ import unicode_literals | 10 from __future__ import unicode_literals |
| 11 | 11 |
| 12 from PyQt5.QtCore import Qt, QSize, QEvent | 12 from PyQt5.QtCore import Qt, QSize, QEvent, qVersion |
| 13 from PyQt5.QtGui import QPalette, QImage, QPixmap, QPainter, QFont, QColor | 13 from PyQt5.QtGui import QPalette, QImage, QPixmap, QPainter, QFont, QColor |
| 14 from PyQt5.QtWidgets import QLabel, QSizePolicy, QScrollArea, QAction, QMenu, \ | 14 from PyQt5.QtWidgets import QLabel, QSizePolicy, QScrollArea, QAction, QMenu, \ |
| 15 QToolBar | 15 QToolBar |
| 16 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog | 16 from PyQt5.QtPrintSupport import QPrinter, QPrintDialog |
| 17 | 17 |
| 185 Protected method to handle wheel events. | 185 Protected method to handle wheel events. |
| 186 | 186 |
| 187 @param evt reference to the wheel event (QWheelEvent) | 187 @param evt reference to the wheel event (QWheelEvent) |
| 188 """ | 188 """ |
| 189 if evt.modifiers() & Qt.ControlModifier: | 189 if evt.modifiers() & Qt.ControlModifier: |
| 190 if evt.angleDelta().y() < 0: | 190 if qVersion() >= "5.0.0": |
| 191 delta = evt.angleDelta().y() | |
| 192 else: | |
| 193 delta = evt.delta() | |
| 194 if delta < 0: | |
| 191 self.__zoomOut() | 195 self.__zoomOut() |
| 192 else: | 196 else: |
| 193 self.__zoomIn() | 197 self.__zoomIn() |
| 194 evt.accept() | 198 evt.accept() |
| 195 return | 199 return |
