pyqt5适配系统缩放比例
时间: 2023-08-24 09:07:38 浏览: 157
在PyQt5中适配系统缩放比例可以通过设置全局属性来实现。在应用程序加载之前,可以使用`QApplication.setAttribute()`方法来设置`Qt.AA_EnableHighDpiScaling`和`Qt.AA_UseHighDpiPixmaps`属性。这样可以启用高DPI缩放和使用高DPI像素映射。\[1\]
例如,在应用程序的入口处,可以添加以下代码来适配系统缩放比例:
```python
if hasattr(QtCore.Qt, 'AA_EnableHighDpiScaling'):
PyQt5.QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling, True)
if hasattr(QtCore.Qt, 'AA_UseHighDpiPixmaps'):
PyQt5.QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps, True)
```
这样,当应用程序启动时,它将根据系统的缩放比例进行自适应,并使用高DPI像素映射来保持界面的清晰度。\[1\]
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