设置透明主窗口 [英] Setting a transparent main window

问题描述

如何在QT上设置主窗口背景透明?我需要属性还是样式?
我试过设置不透明度，但它对我不起作用.

How to set main window background transparent on QT? Do I need an attribute or a style?
I've tried setting the opacity, but it didn't work for me.

app.setStyleSheet("QMainWindow {opacity:0}")

推荐答案

您必须为 MainWindow 对象设置新属性，如下所示:

you must set new attribute for MainWindow object as below:

class Main(QtGui.QMainWindow):
      def __init__(self):
          self.setAttribute(Qt.WA_TranslucentBackground)

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