PyQt5 - 为 ComboBox 的行编辑框中的项目设置字体

在本文中，我们将了解如何更改可编辑项中存在的项目的大小和字体。如果我们使用将QFont对象作为参数的setFont方法，将它与复选框对象一起使用将更改列表中所有项目的字体。

In order to change the font and size of only the item which is in the editable box, do the following –

1. Create a combo box
2. Make it editable combo box(optional)
3. Get the line edit(editable box) object from combo box
4. Change the font of the line edit using setFont method

编程需要懂一点英语

下面是实现——

# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for widgets
    def UiComponents(self):
  
        # creating a combo box widget
        self.combo_box = QComboBox(self)
  
        # setting geometry of combo box
        self.combo_box.setGeometry(200, 150, 150, 30)
  
        # geek list
        geek_list = ["Sayian", "Super Sayian"]
  
        # making it editable
        self.combo_box.setEditable(True)
  
        # adding list of items to combo box
        self.combo_box.addItems(geek_list)
  
        # font
        font = QFont('Times', 10)
  
        # getting the line edit of combo box
        line_edit = self.combo_box.lineEdit()
  
        # setting line font to the line edit
        line_edit.setFont(font)
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

输出：