65 lines
2 KiB
Python
65 lines
2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2019年7月2日
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@author: Irony
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@site: https://pyqt5.com https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: QPushButton.SignalsExample
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@description: 按钮信号例子
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"""
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton, QPlainTextEdit
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__Author__ = "Irony"
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__Copyright__ = "Copyright (c) 2019"
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__Version__ = "Version 1.0"
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class Window(QWidget):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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layout = QVBoxLayout(self)
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btn1 = QPushButton('按钮点击信号', self)
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btn1.setObjectName('ClickBtn')
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btn1.clicked.connect(self.onClicked)
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layout.addWidget(btn1)
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layout.addWidget(QPushButton(
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'按钮按下信号', self, objectName='PressBtn', pressed=self.onPressed))
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layout.addWidget(QPushButton(
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'按钮释放信号', self, objectName='ReleaseBtn', released=self.onReleased))
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layout.addWidget(QPushButton(
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'按钮选中信号', self, checkable=True, objectName='ToggleBtn', toggled=self.onToggled))
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self.resultView = QPlainTextEdit(self)
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self.resultView.setReadOnly(True)
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layout.addWidget(self.resultView)
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def onClicked(self):
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self.resultView.appendPlainText(
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'按钮{0}被点击'.format(self.sender().objectName()))
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def onPressed(self):
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self.resultView.appendPlainText(
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'按钮{0}被按下'.format(self.sender().objectName()))
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def onReleased(self):
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self.resultView.appendPlainText(
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'按钮{0}被释放'.format(self.sender().objectName()))
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def onToggled(self, checked):
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self.resultView.appendPlainText(
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'按钮{0}被选中：{1}'.format(self.sender().objectName(), checked))
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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.show()
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sys.exit(app.exec_())
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