PyQt/QtRemoteObjects/SyncUi/WindowSlave.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2019年8月7日
@author: Irony
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@site: https://pyqt.site , https://github.com/PyQt5
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@email: 892768447@qq.com
@file: QtRemoteObjects.SyncUi.WindowSlave
@description: 备窗口
"""
from PyQt5.QtCore import QUrl
from PyQt5.QtRemoteObjects import QRemoteObjectNode, QRemoteObjectReplica
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLineEdit, QCheckBox, \
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QProgressBar, QMessageBox
class WindowSlave(QWidget):
def __init__(self, *args, **kwargs):
super(WindowSlave, self).__init__(*args, **kwargs)
self.setupUi()
# 加入Master节点
node = QRemoteObjectNode(parent=self)
node.connectToNode(QUrl('local:WindowMaster'))
# 获取WindowMaster对象
self.windowMaster = node.acquireDynamic('WindowMaster')
# 初始化成功后才能去绑定信号等
self.windowMaster.initialized.connect(self.onInitialized)
# 状态改变 https://doc.qt.io/qt-5/qremoteobjectreplica.html#State-enum
self.windowMaster.stateChanged.connect(self.onStateChanged)
def setupUi(self):
self.setWindowTitle('WindowSlave')
self.resize(300, 400)
layout = QVBoxLayout(self)
# 输入框(双向同步)
self.lineEdit = QLineEdit(self)
# 勾选框(双向同步)
self.checkBox = QCheckBox('来勾我啊', self)
# 进度条(Master更新Slave)
self.progressBar = QProgressBar(self)
layout.addWidget(self.lineEdit)
layout.addWidget(self.checkBox)
layout.addWidget(self.progressBar)
def onStateChanged(self, newState, oldState):
if newState == QRemoteObjectReplica.Suspect:
QMessageBox.critical(self, '错误', '连接丢失')
def onInitialized(self):
# Master和Slave输入框绑定
self.windowMaster.editValueChanged.connect(self.lineEdit.setText)
self.lineEdit.textChanged.connect(self.windowMaster.updateEdit)
# Master和Slave勾选框绑定
self.windowMaster.checkToggled.connect(self.checkBox.setChecked)
self.checkBox.toggled.connect(self.windowMaster.updateCheck)
# Master进度条同步到Slave
self.windowMaster.progressValueChanged.connect(
self.progressBar.setValue)
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print('绑定信号槽完成')
if __name__ == '__main__':
import sys
from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
w = WindowSlave()
w.show()
sys.exit(app.exec_())