效果图:
双击左侧列表加入右侧列表,右侧列表双击删除节点。
代码:
import sys
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QListWidget, QListWidgetItem, QHBoxLayout
class Demo(QWidget):
def __init__(self):
super(Demo, self).__init__()
self.pic_label = QLabel(self) # 1
self.pic_label.setPixmap(QPixmap(‘arrow.png‘))
self.listwidget_1 = QListWidget(self) # 2
self.listwidget_2 = QListWidget(self)
self.listwidget_1.doubleClicked.connect(lambda: self.change_func(self.listwidget_1))
self.listwidget_2.doubleClicked.connect(lambda: self.change_func(self.listwidget_2))
for i in range(6): # 3
text = ‘Item {}‘.format(i)
self.item = QListWidgetItem(text)
self.listwidget_1.addItem(self.item)
self.item_6 = QListWidgetItem(‘Item 6‘, self.listwidget_1) # 4
self.listwidget_1.addItem(‘Item 7‘) # 5
str_list = [‘Item 9‘, ‘Item 10‘]
self.listwidget_1.addItems(str_list)
self.item_8 = QListWidgetItem(‘Item 8‘) # 6
self.listwidget_1.insertItem(8, self.item_8)
# self.listwidget_1.insertItem(8, ‘Item 8‘)
self.h_layout = QHBoxLayout()
self.h_layout.addWidget(self.listwidget_1)
self.h_layout.addWidget(self.pic_label)
self.h_layout.addWidget(self.listwidget_2)
self.setLayout(self.h_layout)
def change_func(self, listwidget): # 7
if listwidget == self.listwidget_1:
item = QListWidgetItem(self.listwidget_1.currentItem())
self.listwidget_2.addItem(item)
print(self.listwidget_2.count())
else:
self.listwidget_2.takeItem(self.listwidget_2.currentRow())
print(self.listwidget_2.count())
if __name__ == ‘__main__‘:
app = QApplication(sys.argv)
demo = Demo()
demo.show()
sys.exit(app.exec_())
告辞
原文:https://www.cnblogs.com/wohuiyijiu/p/12809077.html