我必须在QLineEdit中单击Enter时将焦点放在QPushButton上,我能够实现相同的功能,但问题是,单击按钮时要执行的动作也会被触发。尽管我没有单击按钮,但仅调用setFocus()这是代码:
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication, QPushButton, QMessageBox, QLineEdit, QDialog
import sys, time
class App(QDialog):
def __init__(self):
super().__init__()
self.title = 'PushButton Set Focus'
self.left = 200
self.top = 200
self.width = 320
self.height = 200
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.lineEdit = QLineEdit('Press Enter', self)
self.lineEdit.move(100, 30)
self.lineEdit.returnPressed.connect(self.__setFocusOnButton)
self.button = QPushButton('Click me', self)
self.button.move(100, 70)
self.button.setAutoDefault(True)
self.button.clicked.connect(self.on_click)
self.show()
def on_click(self):
print('Button Clicked')
def __setFocusOnButton(self):
self.button.setFocus()
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())
请让我知道是否存在一些无需单击即可设置setFocus的方法。
[the docs指出:
默认按钮
对话框的默认按钮是用户按下时所按下的按钮按Enter(返回)。此按钮用于表示用户接受对话框的设置,并想关闭对话框。采用QPushButton :: setDefault(),QPushButton :: isDefault()和QPushButton :: autoDefault()设置和控制对话框的默认值按钮。
(我的重点)
所以有两种可能的解决方案:
self.button.setAutoDefault(False)