屏幕变化监听
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Irony
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7 changed files with 328 additions and 1 deletions
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@ -23,6 +23,7 @@
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- [判断信号是否连接](#20判断信号是否连接)
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- [调用虚拟键盘](#21调用虚拟键盘)
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- [动态忙碌光标](#22动态忙碌光标)
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- [屏幕变动监听](#23屏幕变动监听)
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## 1、重启窗口Widget
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[运行 RestartWindow.py](RestartWindow.py)
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@ -223,4 +224,11 @@ PyQt 结合 Opencv 进行人脸检测；
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通过定时器不停的修改光标图片来实现动态效果
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## 23、屏幕变动监听
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[运行 ScreenNotify.py](ScreenNotify.py)
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通过定时器减少不同的变化信号，尽量保证只调用一次槽函数来获取信息
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58
Demo/ScreenNotify.py
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58
Demo/ScreenNotify.py
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@ -0,0 +1,58 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2021/4/13
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@author: Irony
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@site: https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ScreenNotify
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@description: 屏幕、分辨率、DPI变化通知
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"""
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import sys
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from PyQt5.QtCore import QTimer, QRect
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from PyQt5.QtWidgets import QApplication, QPlainTextEdit, qApp
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class Window(QPlainTextEdit):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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self.appendPlainText('修改分辨率后查看')
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# 记录最后一次的值（减少槽调用）
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self.m_rect = QRect()
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# 使用定时器来延迟触发最后一次变化
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self.m_timer = QTimer(self, timeout=self.onSolutionChanged)
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self.m_timer.setSingleShot(True) # **重要** 保证多次信号尽量少的调用函数
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# 主要是多屏幕->无屏幕->有屏幕
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qApp.primaryScreenChanged.connect(lambda _: self.m_timer.start(1000))
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# 其它信号最终基本上都会调用该信号
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qApp.primaryScreen().virtualGeometryChanged.connect(lambda _: self.m_timer.start(1000))
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# DPI变化
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qApp.primaryScreen().logicalDotsPerInchChanged.connect(lambda _: self.m_timer.start(1000))
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def onSolutionChanged(self):
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# 获取主屏幕
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screen = qApp.primaryScreen()
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if self.m_rect == screen.availableVirtualGeometry():
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return
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self.m_rect = screen.availableVirtualGeometry()
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# 所有屏幕可用大小
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self.appendPlainText('\navailableVirtualGeometry: {0}'.format(str(screen.availableVirtualGeometry())))
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# 获取所有屏幕
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screens = qApp.screens()
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for screen in screens:
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self.appendPlainText(
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'screen: {0}, geometry({1}), availableGeometry({2}), logicalDotsPerInch({3}), '
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'physicalDotsPerInch({4}), refreshRate({5})'.format(
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screen.name(), screen.geometry(), screen.availableGeometry(), screen.logicalDotsPerInch(),
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screen.physicalDotsPerInch(), screen.refreshRate()))
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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w = Window()
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w.show()
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sys.exit(app.exec_())
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BIN
Demo/ScreenShot/ScreenNotify.png
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BIN
Demo/ScreenShot/ScreenNotify.png
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Binary file not shown.
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105
QtRemoteObjects/SyncUi/ClipboardMaster.py
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105
QtRemoteObjects/SyncUi/ClipboardMaster.py
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@ -0,0 +1,105 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2020/7/31
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@author: Irony
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@site: https://pyqt.site https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ClipboardMaster
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@description:
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"""
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from PyQt5.QtCore import QUrl, pyqtSlot, pyqtSignal, QLoggingCategory, QVariant, QMimeData
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from PyQt5.QtRemoteObjects import QRemoteObjectHost
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from PyQt5.QtWidgets import QTextBrowser
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__Author__ = 'Irony'
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__Copyright__ = 'Copyright (c) 2019 Irony'
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__Version__ = 1.0
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import sys
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class WindowMaster(QTextBrowser):
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SignalUpdateMimeData = pyqtSignal(
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bool, QVariant, # color
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bool, QVariant, # html
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bool, QVariant, # image
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bool, QVariant, # text
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bool, QVariant, # urls
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)
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def __init__(self, *args, **kwargs):
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super(WindowMaster, self).__init__(*args, **kwargs)
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# 监听剪切板
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# clipboard = QApplication.clipboard()
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# clipboard.dataChanged.connect(self.on_data_changed)
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# 开启节点
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host = QRemoteObjectHost(QUrl('tcp://0.0.0.0:' + sys.argv[1]), parent=self)
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host.enableRemoting(self, 'WindowMaster')
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self.append('开启节点完成')
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def on_data_changed(self):
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# 服务端剪贴板变化后发送到客户端
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clipboard = QApplication.clipboard()
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clipboard.blockSignals(True)
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mime_data = clipboard.mimeData()
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self.SignalUpdateMimeData.emit(
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mime_data.hasColor(), mime_data.colorData(),
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mime_data.hasHtml(), mime_data.html(),
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mime_data.hasImage(), mime_data.imageData(),
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mime_data.hasText(), mime_data.text(),
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mime_data.hasUrls(), mime_data.urls(),
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)
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clipboard.blockSignals(False)
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@pyqtSlot(
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bool, QVariant, # color
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bool, QVariant, # html
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bool, QVariant, # image
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bool, QVariant, # text
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bool, QVariant, # urls
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bool, QVariant # files
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)
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def updateMimeData(self,
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hasColor, color,
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hasHtml, html,
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hasImage, image,
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hasText, text,
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hasUrls, urls,
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hasFiles, files,
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):
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# 客户端剪切板同步到服务端
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self.append('收到客户端发送的剪贴板')
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clipboard = QApplication.clipboard()
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clipboard.blockSignals(True)
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data = QMimeData()
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if hasColor:
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data.setColorData(color)
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if hasHtml:
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data.setHtml(html)
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if hasImage:
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data.setImageData(image)
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if hasText:
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data.setText(text)
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# if hasUrls:
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# data.setUrls(urls)
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if hasFiles:
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data.setData('')
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clipboard.setMimeData(data)
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clipboard.blockSignals(False)
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if __name__ == '__main__':
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import cgitb
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cgitb.enable(1, None, 5, '')
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from PyQt5.QtWidgets import QApplication
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QLoggingCategory.setFilterRules('qt.remoteobjects.debug=true\n'
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'qt.remoteobjects.warning=true')
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app = QApplication(sys.argv)
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w = WindowMaster()
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w.show()
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sys.exit(app.exec_())
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107
QtRemoteObjects/SyncUi/ClipboardSlave.py
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107
QtRemoteObjects/SyncUi/ClipboardSlave.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2020/7/31
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@author: Irony
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@site: https://pyqt.site https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ClipboardSlave
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@description:
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"""
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from PyQt5.QtCore import QUrl, pyqtSignal, QVariant, QMimeData
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from PyQt5.QtRemoteObjects import QRemoteObjectNode, QRemoteObjectReplica
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from PyQt5.QtWidgets import QTextBrowser
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__Author__ = 'Irony'
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__Copyright__ = 'Copyright (c) 2019 Irony'
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__Version__ = 1.0
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class WindowSlave(QTextBrowser):
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SignalUpdateMimeData = pyqtSignal(
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bool, QVariant, # color
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bool, QVariant, # html
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bool, QVariant, # image
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bool, QVariant, # text
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bool, QVariant, # urls
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bool, QVariant, # files
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)
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def __init__(self, *args, **kwargs):
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super(WindowSlave, self).__init__(*args, **kwargs)
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# 监听剪切板
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clipboard = QApplication.clipboard()
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clipboard.dataChanged.connect(self.on_data_changed)
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# 加入Master节点
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node = QRemoteObjectNode(parent=self)
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node.connectToNode(QUrl('tcp://{}:{}'.format(sys.argv[1], sys.argv[2])))
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# 获取WindowMaster对象
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self.windowMaster = node.acquireDynamic('WindowMaster')
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# 初始化成功后才能去绑定信号等
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self.windowMaster.initialized.connect(self.onInitialized)
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# 状态改变 https://doc.qt.io/qt-5/qremoteobjectreplica.html#State-enum
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self.windowMaster.stateChanged.connect(self.onStateChanged)
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def onStateChanged(self, newState, oldState):
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if newState == QRemoteObjectReplica.Suspect:
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self.append('连接丢失')
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def onInitialized(self):
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self.SignalUpdateMimeData.connect(self.windowMaster.updateMimeData)
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# self.windowMaster.SignalUpdateMimeData.connect(self.updateMimeData)
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self.append('绑定信号槽完成')
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def on_data_changed(self):
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# 客户端剪贴板变化后发送到远程
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print('on_data_changed')
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clipboard = QApplication.clipboard()
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clipboard.blockSignals(True)
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mime_data = clipboard.mimeData()
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files = mime_data.data('text/uri-list')
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self.SignalUpdateMimeData.emit(
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mime_data.hasColor(), mime_data.colorData(),
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mime_data.hasHtml(), mime_data.html(),
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mime_data.hasImage(), mime_data.imageData(),
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mime_data.hasText(), mime_data.text(),
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mime_data.hasUrls(), mime_data.urls(),
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True if files else False, files,
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)
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clipboard.blockSignals(False)
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def updateMimeData(self,
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hasColor, color,
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hasHtml, html,
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hasImage, image,
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hasText, text,
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hasUrls, urls
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):
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# 远程的剪贴板同步到客户端
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clipboard = QApplication.clipboard()
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clipboard.blockSignals(True)
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data = QMimeData()
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if hasColor:
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data.setColorData(color)
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if hasHtml:
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data.setHtml(html)
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if hasImage:
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data.setImageData(image)
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if hasText:
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data.setText(text)
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if hasUrls:
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data.setUrls(urls)
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clipboard.setMimeData(data)
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clipboard.blockSignals(False)
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if __name__ == '__main__':
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import sys
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import cgitb
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cgitb.enable(1, None, 5, '')
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from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
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w = WindowSlave()
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w.show()
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sys.exit(app.exec_())
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@ -253,6 +253,7 @@ https://pyqt.site 论坛是专门针对PyQt5学习和提升开设的网站，分
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- [判断信号是否连接](Demo/IsSignalConnected.py)
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- [调用虚拟键盘](Demo/CallVirtualKeyboard.py)
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- [动态忙碌光标](Demo/GifCursor.py)
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- [屏幕变动监听](Demo/ScreenNotify.py)
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# QQ群
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48
Test/ColumnView.py
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48
Test/ColumnView.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2020/9/14
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@author: Irony
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@site: https://pyqt.site https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ColumnView
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@description:
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"""
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from PyQt5.QtWidgets import QComboBox, QFileSystemModel, QHBoxLayout, QSpacerItem, QSizePolicy
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__Author__ = 'Irony'
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__Copyright__ = 'Copyright (c) 2020'
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__Version__ = 'Version 1.0'
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class PathComboBox(QComboBox):
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def __init__(self, *args, is_item=False, **kwargs):
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super(PathComboBox, self).__init__(*args, **kwargs)
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self.is_item = is_item
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if not self.is_item:
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self.setEditable(True)
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layout = QHBoxLayout(self)
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layout.setSpacing(0)
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layout.setContentsMargins(0, 0, 0, 23)
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layout.addItem(QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum))
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else:
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self.f_model = QFileSystemModel(self)
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self.f_model.setRootPath('')
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self.setModel(self.f_model)
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def addWidget(self, widget):
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self.layout().insertWidget(self.layout().count()-1, widget)
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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 = PathComboBox()
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w.show()
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w.addWidget(PathComboBox(w, is_item=True))
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sys.exit(app.exec_())
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