pyqt5 在主界面中实现任意lineedit获得焦点时弹出osk虚拟键盘,点击其他部分关闭虚拟键盘程序
时间: 2023-04-03 18:01:46 浏览: 168
可以通过在主界面中使用QLineEdit控件,并在其获得焦点时调用osk虚拟键盘程序来实现。具体实现方法可以参考以下代码:
```python
from PyQt5.QtWidgets import QApplication, QWidget, QLineEdit
from PyQt5.QtGui import QGuiApplication
import subprocess
class MyWidget(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setGeometry(300, 300, 300, 200)
self.setWindowTitle('Virtual Keyboard')
self.lineEdit = QLineEdit(self)
self.lineEdit.setGeometry(50, 50, 200, 30)
self.lineEdit.setFocus()
self.show()
self.lineEdit.editingFinished.connect(self.closeKeyboard)
def closeKeyboard(self):
subprocess.call('taskkill /IM osk.exe')
def focusInEvent(self, event):
subprocess.Popen('osk.exe')
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
widget = MyWidget()
sys.exit(app.exec_())
```
当QLineEdit控件获得焦点时,会调用focusInEvent()函数,该函数会启动osk虚拟键盘程序。当QLineEdit控件失去焦点时,会调用editingFinished信号的槽函数closeKeyboard(),该函数会关闭osk虚拟键盘程序。
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