import sys
from PyQt5.Qt import *
class Window(QWidget):
def __init__(self):
super().__init__()
self.setup_ui()
def setup_ui(self):
self.setWindowTitle("Qt桌面应用程序")
self.button_1_flag = 1
self.resize(300, 300)
self.button_1 = QPushButton()
self.button_1.setText("切换标签")
self.button_2 = QPushButton()
self.button_2.setText("删除当前标签")
self.v_box_layout = QVBoxLayout()
self.v_box_layout.setAlignment(Qt.AlignTop)
self.setLayout(self.v_box_layout)
self.h_box_layout = QHBoxLayout()
self.h_box_layout.addWidget(self.button_1)
self.h_box_layout.addWidget(self.button_2)
self.v_box_layout.addLayout(self.h_box_layout)
self.label_1 = QLabel()
self.label_1.setText("标签1")
self.label_1.setStyleSheet("background-color:CornflowerBlue")
self.label_2 = QLabel()
self.label_2.setText("标签2")
self.label_2.setStyleSheet("background-color:DarkSeaGreen")
self.label_3 = QLabel()
self.label_3.setText("标签3")
self.label_3.setStyleSheet("background-color:HotPink")
self.label_4 = QLabel()
self.label_4.setText("标签4")
self.label_4.setStyleSheet("background-color:Blue")
self.stacked_layout = QStackedLayout()
self.v_box_layout.addLayout(self.stacked_layout)
# self.stacked_layout.setStackingMode(QStackedLayout.StackAll)
self.stacked_layout.addWidget(self.label_1)
self.stacked_layout.addWidget(self.label_2)
self.stacked_layout.addWidget(self.label_3)
self.stacked_layout.insertWidget(0, self.label_4)
print(self.stacked_layout.widget(0))
def stacked_layout_current_changed(value):
print(f"当前Index:{value}")
self.stacked_layout.currentChanged.connect(stacked_layout_current_changed)
def stacked_layout_widget_removed(value):
print(f"Index:{value}被删除了")
self.stacked_layout.widgetRemoved.connect(stacked_layout_widget_removed)
def button_1_clicked():
if self.stacked_layout.count() > 0:
self.stacked_layout.setCurrentIndex(
(self.stacked_layout.currentIndex() + 1) % self.stacked_layout.count())
self.stacked_layout.currentWidget().setText(
self.stacked_layout.currentWidget().text().split(" ")[0] + " Index:" +
str(self.stacked_layout.indexOf(self.stacked_layout.currentWidget())))
self.button_1.clicked.connect(button_1_clicked)
def button_2_clicked():
self.stacked_layout.removeWidget(self.stacked_layout.currentWidget())
self.button_2.clicked.connect(button_2_clicked)
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
