我是python和PyQt5的新手。
我的目标是使用“按钮”移至“堆叠式布局”中的下一个小部件。但是,它没有响应,并且似乎不会进入该功能以便继续下一个窗口小部件。
我不知道我搞砸了继承权,还是其他。任何指导都非常感谢。谢谢!
from PyQt5 import QtCore, QtGui, QtWidgets
class Menu(QtWidgets.QWidget):
def setupUI(self, Main):
Main.setObjectName("Main")
Main.setFixedSize(900, 500)
self.width = 900
self.height = 500
self.setFixedSize(self.width, self.height)
self.menu = QtWidgets.QStackedLayout()
self.welcomeMenu = QtWidgets.QWidget()
self.mainMenu = QtWidgets.QWidget()
self.welcomeUi()
self.menuUi()
self.menu.addWidget(self.welcomeMenu)
self.menu.addWidget(self.mainMenu)
def welcomeUi(self):
#Button for entering portal
self.entrBtn = QtWidgets.QPushButton(self.welcomeMenu)
self.entrBtn.setGeometry(QtCore.QRect(25,150,200,50))
self.entrBtn.setText("To the menu screen!")
#Having welcome text
self.welcomeText = QtWidgets.QLabel(self.welcomeMenu)
self.welcomeText.setGeometry(QtCore.QRect(30, 120, 480, 200))
self.welcomeText.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
self.welcomeText.setText("Welcome!")
def menuUi(self):
self.text = QtWidgets.QLabel(self.mainMenu)
self.text.setGeometry(QtCore.QRect(30, 120, 480, 200))
self.text.setText("test")
class Main(QtWidgets.QMainWindow, Menu):
def __init__(self):
super(Main, self).__init__()
self.setupUI(self)
self.entrBtn.clicked.connect(self.menuWindow)
def menuWindow(self):
self.menu.setCurrentWidget(self.mainMenu)
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
m = Main()
sys.exit(app.exec_())
问题很简单:QLabel位于按钮顶部,因此它将阻止所有鼠标事件。简单的解决方案是使用raise_()将QPushButton放在QLabel上:
# ...
self.welcomeText.setText("Welcome!")
self.entrBtn.raise_()
但是那解决了表面问题,您还有其他更大的问题:您不应该继承2个QWidget,也不会显示Main。最好按如下所示重写代码:
from PyQt5 import QtCore, QtGui, QtWidgets
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.welcomeMenu = QtWidgets.QWidget()
self.mainMenu = QtWidgets.QWidget()
self.fill_welcomeUi()
self.fill_menuUi()
self.stacked_lay = QtWidgets.QStackedLayout()
self.stacked_lay.addWidget(self.welcomeMenu)
self.stacked_lay.addWidget(self.mainMenu)
central_widget = QtWidgets.QWidget()
self.setCentralWidget(central_widget)
central_widget.setLayout(self.stacked_lay)
self.entrBtn.clicked.connect(self.menuWindow)
self.resize(640, 480)
def menuWindow(self):
self.stacked_lay.setCurrentWidget(self.mainMenu)
def fill_welcomeUi(self):
#Button for entering portal
self.entrBtn = QtWidgets.QPushButton(self.welcomeMenu)
self.entrBtn.setGeometry(QtCore.QRect(25,150,200,50))
self.entrBtn.setText("To the menu screen!")
#Having welcome text
self.welcomeText = QtWidgets.QLabel(self.welcomeMenu)
self.welcomeText.setGeometry(QtCore.QRect(30, 120, 480, 200))
self.welcomeText.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
self.welcomeText.setText("Welcome!")
self.entrBtn.raise_()
def fill_menuUi(self):
self.text = QtWidgets.QLabel(self.mainMenu)
self.text.setGeometry(QtCore.QRect(30, 120, 480, 200))
self.text.setText("test")
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
m = MainWindow()
m.show()
sys.exit(app.exec_())