qq推广引流网站,wordpress 搜索伪静态,网站超级外链,响应式网站设计尺寸import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
下面示例揭示了#xff0c;当关键字绑定的控件出现的时候#xff0c;快捷键才管用#xff0c;
绑定的控件没有出现的时候快捷键无效
…import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
下面示例揭示了当关键字绑定的控件出现的时候快捷键才管用
绑定的控件没有出现的时候快捷键无效
class Demo1(QMainWindow):def __init__(self):super().__init__()form_layout QFormLayout()self.text_edit QTextEdit()shortcut_show_msg QShortcut(QKeySequence(Qt.CTRL Qt.Key_M), self.text_edit)shortcut_show_msg.activated.connect(lambda: print(你好))button QPushButton(显示/隐藏)button.clicked.connect(self.show_or_hide)form_layout.addRow(文本行, self.text_edit)form_layout.addWidget(QTextEdit())form_layout.addWidget(button)widget QWidget()widget.setLayout(form_layout)self.setCentralWidget(widget)def show_or_hide(self):if self.text_edit.isVisible():self.text_edit.setVisible(False)else:self.text_edit.setVisible(True)if __name__ __main__:app QApplication(sys.argv)window Demo1()window.show()sys.exit(app.exec_())
