使用 PyQt4 扩展 QML
我想仅使用 Python 编写 QML 扩展。我知道如何在 C++ 中执行此操作，但不知道如何在 Python 中执行此操作。这可能吗？这是我正在寻找的东西的模糊想法。
class NewToQML(QObject):
Q_PROPERTY(int root READ num WRITE setNum NOTIFY numChanged REVISION 1)
在 test.qml 中：
import MyQmlAdditions 1.0
NewToQML {
num: 7;
}
[编辑] 我想使用这个 QML 添加来完成例如当鼠标位于图形对象上时更改光标（NewToQML）。
I would like to write a QML Extension using only Python. I know how to do this in C++, but not in Python. Is this even possible? Here's a vague idea of what I'm looking for.
class NewToQML(QObject):
Q_PROPERTY(int root READ num WRITE setNum NOTIFY numChanged REVISION 1)
And in test.qml:
import MyQmlAdditions 1.0
NewToQML {
num: 7;
}
[edit]
I would like to use this QML addition to accomplish for instance changing the cursor when the mouse is over the graphical object (NewToQML).
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我不久前找到了答案 关于 nabble 由 Phil Thompson-5 回答，并由 Giovanni Bajo 进行了很好的解释/推理。
简短回答：从 4.7 及更早版本开始，PyQt 不支持 qmlRegisterType。
但是，PySide 确实具有此功能，如此处所示。
I found the answer a while back on nabble answered by Phil Thompson-5 with a good explanation/reasoning following by Giovanni Bajo.
Short answer: PyQt does not support qmlRegisterType as of 4.7 and earlier versions.
However, PySide does have this functionality as shown here.
如果您使用 PyQt 安装了示例和演示，则 Minehunt 演示提供了 QML 示例。如果您尚未安装，请下载 PyQt4 源 并查看
示例/演示/声明性/minehunt。If you installed the examples and demos with PyQt, the Minehunt demo provides a QML example. If you don't have it installed, download the PyQt4 source and look in
examples/demos/declarative/minehunt.