@pyqtProperty

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Irony 2018-03-09 18:00:13 +08:00
parent 632965598d
commit 1d86b64e37

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@ -9,31 +9,57 @@ Created on 2017年4月12日
@file: 自定义属性测试 @file: 自定义属性测试
@description: @description:
''' '''
from random import randint
from PyQt5.QtCore import pyqtProperty, pyqtSignal
from PyQt5.QtWidgets import QPushButton from PyQt5.QtWidgets import QPushButton
from PyQt5.QtCore import pyqtProperty
__version__ = "0.0.1" __version__ = "0.0.1"
class Window(QPushButton): class Window(QPushButton):
bgChanged = pyqtSignal(str, str)
def __init__(self): def __init__(self):
super(Window, self).__init__("QSS") super(Window, self).__init__("QSS")
self._textColor = "" self._textColor = ""
self.clicked.connect(lambda:print(self._textColor)) self._backgroundColor = ""
self.clicked.connect(self.onClick)
self.bgChanged.connect(lambda old, new: print(
"old bg color", old, "new bg color", new))
def onClick(self):
print("textColor", self._textColor)
self.setStyleSheet("qproperty-backgroundColor: %s;" % randint(1, 1000))
# 方式一、个人觉得比较简洁
@pyqtProperty(str, notify=bgChanged)
def backgroundColor(self):
return self._backgroundColor
@backgroundColor.setter
def backgroundColor(self, color):
self.bgChanged.emit(self._backgroundColor, color)
self._backgroundColor = color
# 方式二
def getTextColor(self): def getTextColor(self):
return self._textColor return self._textColor
def setTextColor(self, c): def setTextColor(self, c):
self._textColor = c self._textColor = c
textColor = pyqtProperty(str, getTextColor, setTextColor) textColor = pyqtProperty(str, getTextColor, setTextColor)
if __name__ == "__main__": if __name__ == "__main__":
import sys import sys
from PyQt5.QtWidgets import QApplication from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv) app = QApplication(sys.argv)
w = Window() w = Window()
w.setStyleSheet("qproperty-textColor: white;") w.setStyleSheet(
"qproperty-textColor: white;qproperty-backgroundColor: red;")
w.show() w.show()
sys.exit(app.exec_()) sys.exit(app.exec_())