@pyqtProperty
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@ -9,18 +9,42 @@ Created on 2017年4月12日
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@file: 自定义属性测试
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@description:
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'''
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from random import randint
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from PyQt5.QtCore import pyqtProperty, pyqtSignal
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from PyQt5.QtWidgets import QPushButton
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from PyQt5.QtCore import pyqtProperty
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__version__ = "0.0.1"
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class Window(QPushButton):
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bgChanged = pyqtSignal(str, str)
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def __init__(self):
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super(Window, self).__init__("QSS")
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self._textColor = ""
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self.clicked.connect(lambda:print(self._textColor))
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self._backgroundColor = ""
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self.clicked.connect(self.onClick)
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self.bgChanged.connect(lambda old, new: print(
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"old bg color", old, "new bg color", new))
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def onClick(self):
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print("textColor", self._textColor)
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self.setStyleSheet("qproperty-backgroundColor: %s;" % randint(1, 1000))
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# 方式一、个人觉得比较简洁
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@pyqtProperty(str, notify=bgChanged)
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def backgroundColor(self):
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return self._backgroundColor
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@backgroundColor.setter
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def backgroundColor(self, color):
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self.bgChanged.emit(self._backgroundColor, color)
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self._backgroundColor = color
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# 方式二
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def getTextColor(self):
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return self._textColor
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@ -29,11 +53,13 @@ class Window(QPushButton):
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textColor = pyqtProperty(str, getTextColor, setTextColor)
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if __name__ == "__main__":
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import sys
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from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
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w = Window()
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w.setStyleSheet("qproperty-textColor: white;")
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w.setStyleSheet(
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"qproperty-textColor: white;qproperty-backgroundColor: red;")
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w.show()
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sys.exit(app.exec_())
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