PyQt5 – 当从中间状态按下时,为被按下的指示器设置背景图片 | 复选框
在这篇文章中,我们将看到如何在中间状态下为被按下的指标设置背景图片。当它被按下时,它的图像应该被改变,而在其他状态下则恢复到默认状态。默认情况下,复选框只有两种状态,尽管我们也可以制作第三种状态,它不是选中或不选中,而是介于这两种状态之间,在setTristate方法的帮助下被称为中间状态。
为了做到这一点,我们必须改变样式表中的中间指示器的代码,它与复选框对象一起使用。下面是样式表的代码。
QCheckBox::indicator:indeterminate:pressed
{
background-image : url(image.png);
}
Python
以下是实施情况。
# 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 the check-box
checkbox = QCheckBox('Geek ?', self)
# setting geometry of check box
checkbox.setGeometry(200, 150, 100, 60)
# setting tristate check box
checkbox.setTristate(True)
# changing size of indicator
# adding background image to the pressed indicator
# when it is in intermediate state
checkbox.setStyleSheet("QCheckBox::indicator"
"{"
"width : 60px;"
"height : 60px;"
"}"
"QCheckBox::indicator:indeterminate::pressed"
"{"
"background-image : url(indicator_image.png);"
"}")
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app
sys.exit(App.exec())
Python