PySide1と2でQScrollArea::wheelEventの動作が若干違う
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# from PySide2.QtWidgets import * from PySide.QtGui import * import sys app = QApplication(sys.argv) class MyWidget(QWidget): def wheelEvent(self, event): print('hoge') class MyScrollArea(QScrollArea): def wheelEvent(self, event): print('fuga') # PySide1のときは呼ばれてないっぽい scrollArea = MyScrollArea() w = MyWidget() w.setFixedSize(640, 480) scrollArea.setWidget(w) scrollArea.show() sys.exit(app.exec_())