是否可以以某种方式自定义 QTabWidget？

Question

aqua

Asked:2022-07-01 22:26:33 +0000 UTC2022-07-01 22:26:33 +0000 UTC 2022-07-01 22:26:33 +0000 UTC

在 QStackedWidget 应用程序窗口之间切换

772

实现Windows应用程序之间的切换如何正确？现在看起来不太好。

现在实现的方式：

from PyQt5 import QtCore, QtGui, QtWidgets


# классы Ui отвечают за шаблон графического интерфейса
# ! не изменять, если вы не знаете что вы делаете
class Ui_Win1(object):
    def setupUi(self, Win1):
        Win1.setObjectName("Win1")
        Win1.resize(450, 800)
        self.widgetWin1 = QtWidgets.QWidget(Win1)
        self.widgetWin1.setObjectName("widgetWin1")
        self.text1 = QtWidgets.QLabel(self.widgetWin1)
        self.text1.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text1.setObjectName("text1")
        self.bnt = QtWidgets.QPushButton(self.widgetWin1)
        self.bnt.setGeometry(QtCore.QRect(0, 772, 150, 28))
        self.bnt.setObjectName("bnt")
        self.bnt_2 = QtWidgets.QPushButton(self.widgetWin1)
        self.bnt_2.setGeometry(QtCore.QRect(150, 772, 150, 28))
        self.bnt_2.setObjectName("bnt_2")
        self.bnt_3 = QtWidgets.QPushButton(self.widgetWin1)
        self.bnt_3.setGeometry(QtCore.QRect(300, 772, 150, 28))
        self.bnt_3.setObjectName("bnt_3")
        Win1.setCentralWidget(self.widgetWin1)

        self.retranslateUi(Win1)
        QtCore.QMetaObject.connectSlotsByName(Win1)

    def retranslateUi(self, Win1):
        _translate = QtCore.QCoreApplication.translate
        Win1.setWindowTitle(_translate("Win1", "MainWindow"))
        self.text1.setText(_translate("Win1", "Win1"))
        self.bnt.setText(_translate("Win1", "1"))
        self.bnt_2.setText(_translate("Win1", "2"))
        self.bnt_3.setText(_translate("Win1", "3"))


class Ui_Win2(object):
    def setupUi(self, Win2):
        Win2.setObjectName("Win2")
        Win2.resize(450, 800)
        self.widgetWin2 = QtWidgets.QWidget(Win2)
        self.widgetWin2.setObjectName("widgetWin2")
        self.text2 = QtWidgets.QLabel(self.widgetWin2)
        self.text2.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text2.setObjectName("text2")
        self.bnt = QtWidgets.QPushButton(self.widgetWin2)
        self.bnt.setGeometry(QtCore.QRect(0, 772, 150, 28))
        self.bnt.setObjectName("bnt")
        self.bnt_2 = QtWidgets.QPushButton(self.widgetWin2)
        self.bnt_2.setGeometry(QtCore.QRect(150, 772, 150, 28))
        self.bnt_2.setObjectName("bnt_2")
        self.bnt_3 = QtWidgets.QPushButton(self.widgetWin2)
        self.bnt_3.setGeometry(QtCore.QRect(300, 772, 150, 28))
        self.bnt_3.setObjectName("bnt_3")
        Win2.setCentralWidget(self.widgetWin2)

        self.retranslateUi(Win2)
        QtCore.QMetaObject.connectSlotsByName(Win2)

    def retranslateUi(self, Win2):
        _translate = QtCore.QCoreApplication.translate
        Win2.setWindowTitle(_translate("Win2", "MainWindow"))
        self.text2.setText(_translate("Win2", "Win2"))
        self.bnt.setText(_translate("Win2", "1"))
        self.bnt_2.setText(_translate("Win2", "2"))
        self.bnt_3.setText(_translate("Win2", "3"))


class Ui_Win3(object):
    def setupUi(self, Win3):
        Win3.setObjectName("Win3")
        Win3.resize(450, 800)
        self.widgetWin3 = QtWidgets.QWidget(Win3)
        self.widgetWin3.setObjectName("widgetWin3")
        self.text3 = QtWidgets.QLabel(self.widgetWin3)
        self.text3.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text3.setObjectName("text3")
        self.bnt = QtWidgets.QPushButton(self.widgetWin3)
        self.bnt.setGeometry(QtCore.QRect(0, 772, 150, 28))
        self.bnt.setObjectName("bnt")
        self.bnt_2 = QtWidgets.QPushButton(self.widgetWin3)
        self.bnt_2.setGeometry(QtCore.QRect(150, 772, 150, 28))
        self.bnt_2.setObjectName("bnt_2")
        self.bnt_3 = QtWidgets.QPushButton(self.widgetWin3)
        self.bnt_3.setGeometry(QtCore.QRect(300, 772, 150, 28))
        self.bnt_3.setObjectName("bnt_3")
        Win3.setCentralWidget(self.widgetWin3)

        self.retranslateUi(Win3)
        QtCore.QMetaObject.connectSlotsByName(Win3)

    def retranslateUi(self, Win3):
        _translate = QtCore.QCoreApplication.translate
        Win3.setWindowTitle(_translate("Win3", "MainWindow"))
        self.text3.setText(_translate("Win3", "Win3"))
        self.bnt.setText(_translate("Win3", "1"))
        self.bnt_2.setText(_translate("Win3", "2"))
        self.bnt_3.setText(_translate("Win3", "3"))


# Функциональные классы наследуют виджеты классов Ui
class Win1(QtWidgets.QMainWindow, Ui_Win1):
    def __init__(self, parent = None):
        super(Win1, self).__init__(parent)
        self.setupUi(self)
        self.parent = parent
        self.stacked = self.parent.stacked

        self.bnt.clicked.connect(lambda : self.stacked.setCurrentIndex(0))
        self.bnt_2.clicked.connect(lambda : self.stacked.setCurrentIndex(1))
        self.bnt_3.clicked.connect(lambda : self.stacked.setCurrentIndex(2))


class Win2(QtWidgets.QMainWindow, Ui_Win2):
    def __init__(self, parent = None):
        super(Win2, self).__init__(parent)
        self.setupUi(self)
        self.parent = parent
        self.stacked = self.parent.stacked

        self.bnt.clicked.connect(lambda : self.stacked.setCurrentIndex(0))
        self.bnt_2.clicked.connect(lambda : self.stacked.setCurrentIndex(1))
        self.bnt_3.clicked.connect(lambda : self.stacked.setCurrentIndex(2))


class Win3(QtWidgets.QMainWindow, Ui_Win3):
    def __init__(self, parent = None):
        super(Win3, self).__init__(parent)
        self.setupUi(self)
        self.parent = parent
        self.stacked = self.parent.stacked

        self.bnt.clicked.connect(lambda : self.stacked.setCurrentIndex(0))
        self.bnt_2.clicked.connect(lambda : self.stacked.setCurrentIndex(1))
        self.bnt_3.clicked.connect(lambda : self.stacked.setCurrentIndex(2))


class MainWindow(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()

        self.stacked = QtWidgets.QStackedWidget(self)
        self.setCentralWidget(self.stacked)

        self.Window_Win1 = Win1(self)
        self.Window_Win2 = Win2(self)
        self.Window_Win3 = Win3(self)

        self.stacked.addWidget(self.Window_Win1)
        self.stacked.addWidget(self.Window_Win2)
        self.stacked.addWidget(self.Window_Win3)


if __name__ == '__main__':
    import sys
    app = QtWidgets.QApplication(sys.argv)
    window = MainWindow()
    window.resize(450, 800)
    window.show()
    sys.exit(app.exec_())

这里在所有功能类中重复相同的设计，这不好，我Ui在所有类中添加按钮以简化设计，代替多个继承，这也不好。

我该如何解决这个问题，我应该怎么做？

界面类：

class Ui_Win1(object):
    def setupUi(self, Win1):
        Win1.setObjectName("Win1")
        Win1.resize(450, 800)
        self.widgetWin1 = QtWidgets.QWidget(Win1)
        self.widgetWin1.setObjectName("widgetWin1")
        self.text1 = QtWidgets.QLabel(self.widgetWin1)
        self.text1.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text1.setObjectName("text1")
        Win1.setCentralWidget(self.widgetWin1)

        self.retranslateUi(Win1)
        QtCore.QMetaObject.connectSlotsByName(Win1)

    def retranslateUi(self, Win1):
        _translate = QtCore.QCoreApplication.translate
        Win1.setWindowTitle(_translate("Win1", "MainWindow"))
        self.text1.setText(_translate("Win1", "Win1"))


class Ui_Win2(object):
    def setupUi(self, Win2):
        Win2.setObjectName("Win2")
        Win2.resize(450, 800)
        self.widgetWin2 = QtWidgets.QWidget(Win2)
        self.widgetWin2.setObjectName("widgetWin2")
        self.text2 = QtWidgets.QLabel(self.widgetWin2)
        self.text2.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text2.setObjectName("text2")
        Win2.setCentralWidget(self.widgetWin2)

        self.retranslateUi(Win2)
        QtCore.QMetaObject.connectSlotsByName(Win2)

    def retranslateUi(self, Win2):
        _translate = QtCore.QCoreApplication.translate
        Win2.setWindowTitle(_translate("Win2", "MainWindow"))
        self.text2.setText(_translate("Win2", "Win2"))


class Ui_Win3(object):
    def setupUi(self, Win3):
        Win3.setObjectName("Win3")
        Win3.resize(450, 800)
        self.widgetWin3 = QtWidgets.QWidget(Win3)
        self.widgetWin3.setObjectName("widgetWin3")
        self.text3 = QtWidgets.QLabel(self.widgetWin3)
        self.text3.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text3.setObjectName("text3")
        Win3.setCentralWidget(self.widgetWin3)

        self.retranslateUi(Win3)
        QtCore.QMetaObject.connectSlotsByName(Win3)

    def retranslateUi(self, Win3):
        _translate = QtCore.QCoreApplication.translate
        Win3.setWindowTitle(_translate("Win3", "MainWindow"))
        self.text3.setText(_translate("Win3", "Win3"))


class Ui_Bnt(object):
    def setupUi(self, Bnt):
        Bnt.setObjectName("Bnt")
        Bnt.resize(450, 800)
        self.widgetBnt = QtWidgets.QWidget(Bnt)
        self.widgetBnt.setObjectName("widgetBnt")
        self.bnt = QtWidgets.QPushButton(self.widgetBnt)
        self.bnt.setGeometry(QtCore.QRect(0, 772, 150, 28))
        self.bnt.setObjectName("bnt")
        self.bnt_2 = QtWidgets.QPushButton(self.widgetBnt)
        self.bnt_2.setGeometry(QtCore.QRect(150, 772, 150, 28))
        self.bnt_2.setObjectName("bnt_2")
        self.bnt_3 = QtWidgets.QPushButton(self.widgetBnt)
        self.bnt_3.setGeometry(QtCore.QRect(300, 772, 150, 28))
        self.bnt_3.setObjectName("bnt_3")
        Bnt.setCentralWidget(self.widgetBnt)

        self.retranslateUi(Bnt)
        QtCore.QMetaObject.connectSlotsByName(Bnt)

    def retranslateUi(self, Bnt):
        _translate = QtCore.QCoreApplication.translate
        Bnt.setWindowTitle(_translate("Bnt", "MainWindow"))
        self.bnt.setText(_translate("Bnt", "1"))
        self.bnt_2.setText(_translate("Bnt", "2"))
        self.bnt_3.setText(_translate("Bnt", "3"))

注意：不使用 QLayout 和按钮被其他东西替换。

1 个回答

Voted

S. Nick · Answer 1 · 2022-07-02T01:23:27Z

例如，尝试这样：

from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.Qt import *


class Ui_Win1(object):
    def setupUi(self, Win1):
        Win1.setObjectName("Win1")
        Win1.resize(450, 800)
        self.widgetWin1 = QtWidgets.QWidget(Win1)
        self.widgetWin1.setObjectName("widgetWin1")
        
        self.text1 = QtWidgets.QLabel(self.widgetWin1)
        self.text1.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text1.setObjectName("text1")

        Win1.setCentralWidget(self.widgetWin1)
        self.retranslateUi(Win1)
        QtCore.QMetaObject.connectSlotsByName(Win1)

    def retranslateUi(self, Win1):
        _translate = QtCore.QCoreApplication.translate
        Win1.setWindowTitle(_translate("Win1", "MainWindow"))
        self.text1.setText(_translate("Win1", "Win1"))


class Ui_Win2(object):
    def setupUi(self, Win2):
        Win2.setObjectName("Win2")
        Win2.resize(450, 800)
        self.widgetWin2 = QtWidgets.QWidget(Win2)
        self.widgetWin2.setObjectName("widgetWin2")
        self.text2 = QtWidgets.QLabel(self.widgetWin2)
        self.text2.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text2.setObjectName("text2")

        Win2.setCentralWidget(self.widgetWin2)
        self.retranslateUi(Win2)
        QtCore.QMetaObject.connectSlotsByName(Win2)

    def retranslateUi(self, Win2):
        _translate = QtCore.QCoreApplication.translate
        Win2.setWindowTitle(_translate("Win2", "MainWindow"))
        self.text2.setText(_translate("Win2", "Win2"))


class Ui_Win3(object):
    def setupUi(self, Win3):
        Win3.setObjectName("Win3")
        Win3.resize(450, 800)
        self.widgetWin3 = QtWidgets.QWidget(Win3)
        self.widgetWin3.setObjectName("widgetWin3")
        self.text3 = QtWidgets.QLabel(self.widgetWin3)
        self.text3.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text3.setObjectName("text3")

        Win3.setCentralWidget(self.widgetWin3)

        self.retranslateUi(Win3)
        QtCore.QMetaObject.connectSlotsByName(Win3)

    def retranslateUi(self, Win3):
        _translate = QtCore.QCoreApplication.translate
        Win3.setWindowTitle(_translate("Win3", "MainWindow"))
        self.text3.setText(_translate("Win3", "Win3"))


class Win1(QtWidgets.QMainWindow, Ui_Win1):
    def __init__(self, parent = None):
        super(Win1, self).__init__(parent)
        self.setupUi(self)


class Win2(QtWidgets.QMainWindow, Ui_Win2):
    def __init__(self, parent = None):
        super(Win2, self).__init__(parent)
        self.setupUi(self)


class Win3(QtWidgets.QMainWindow, Ui_Win3):
    def __init__(self, parent = None):
        super(Win3, self).__init__(parent)
        self.setupUi(self)


class VLine(QFrame):
    def __init__(self):
        super(VLine, self).__init__()
        self.setFrameShape(self.VLine|self.Sunken)
        

class MainWindow(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()

        self.stacked = QtWidgets.QStackedWidget(self)
        self.setCentralWidget(self.stacked)

        self.window_Win1 = Win1(self)
        self.window_Win2 = Win2(self)
        self.window_Win3 = Win3(self)

        self.stacked.addWidget(self.window_Win1)
        self.stacked.addWidget(self.window_Win2)
        self.stacked.addWidget(self.window_Win3)
        
# +++ vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv        
        self.statusBar().showMessage("bla-bla bla")
        
        self.bnt = QtWidgets.QPushButton('bnt')
        self.bnt_2 = QtWidgets.QPushButton('bnt_2')
        self.bnt_3 = QtWidgets.QPushButton('bnt_3')
        
        self.bnt.clicked.connect(lambda : self.stacked.setCurrentIndex(0))
        self.bnt_2.clicked.connect(lambda : self.stacked.setCurrentIndex(1))
        self.bnt_3.clicked.connect(lambda : self.stacked.setCurrentIndex(2))
        
        self.statusBar().reformat()
        self.statusBar().setStyleSheet('border: 0; background-color: #FFF8DC;')
        self.statusBar().setStyleSheet("QStatusBar::item {border: none;}") 
        
        self.statusBar().addPermanentWidget(VLine())    
        self.statusBar().addPermanentWidget(self.bnt)
        self.statusBar().addPermanentWidget(VLine())    
        self.statusBar().addPermanentWidget(self.bnt_2)
        self.statusBar().addPermanentWidget(VLine())    
        self.statusBar().addPermanentWidget(self.bnt_3)
        self.statusBar().addPermanentWidget(VLine())    
# +++ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    

if __name__ == '__main__':
    import sys
    app = QtWidgets.QApplication(sys.argv)
    window = MainWindow()
    window.resize(450, 600)                        # <---- (450, 800)
    window.show()
    sys.exit(app.exec_())

更新

我不喜欢它们在状态栏中的事实

试试这样：

from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.Qt import *


class Ui_Win1(object):
    def setupUi(self, Win1):
        Win1.setObjectName("Win1")
        Win1.resize(450, 800)
        self.widgetWin1 = QtWidgets.QWidget(Win1)
        self.widgetWin1.setObjectName("widgetWin1")
        
        self.text1 = QtWidgets.QLabel(self.widgetWin1)
        self.text1.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text1.setObjectName("text1")

        Win1.setCentralWidget(self.widgetWin1)
        self.retranslateUi(Win1)
        QtCore.QMetaObject.connectSlotsByName(Win1)

    def retranslateUi(self, Win1):
        _translate = QtCore.QCoreApplication.translate
        Win1.setWindowTitle(_translate("Win1", "MainWindow"))
        self.text1.setText(_translate("Win1", "Win1"))


class Ui_Win2(object):
    def setupUi(self, Win2):
        Win2.setObjectName("Win2")
        Win2.resize(450, 800)
        self.widgetWin2 = QtWidgets.QWidget(Win2)
        self.widgetWin2.setObjectName("widgetWin2")
        self.text2 = QtWidgets.QLabel(self.widgetWin2)
        self.text2.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text2.setObjectName("text2")

        Win2.setCentralWidget(self.widgetWin2)
        self.retranslateUi(Win2)
        QtCore.QMetaObject.connectSlotsByName(Win2)

    def retranslateUi(self, Win2):
        _translate = QtCore.QCoreApplication.translate
        Win2.setWindowTitle(_translate("Win2", "MainWindow"))
        self.text2.setText(_translate("Win2", "Win2"))


class Ui_Win3(object):
    def setupUi(self, Win3):
        Win3.setObjectName("Win3")
        Win3.resize(450, 800)
        self.widgetWin3 = QtWidgets.QWidget(Win3)
        self.widgetWin3.setObjectName("widgetWin3")
        self.text3 = QtWidgets.QLabel(self.widgetWin3)
        self.text3.setGeometry(QtCore.QRect(197, 378, 56, 16))
        self.text3.setObjectName("text3")

        Win3.setCentralWidget(self.widgetWin3)

        self.retranslateUi(Win3)
        QtCore.QMetaObject.connectSlotsByName(Win3)

    def retranslateUi(self, Win3):
        _translate = QtCore.QCoreApplication.translate
        Win3.setWindowTitle(_translate("Win3", "MainWindow"))
        self.text3.setText(_translate("Win3", "Win3"))


class Win1(QtWidgets.QMainWindow, Ui_Win1):
    def __init__(self, parent = None):
        super(Win1, self).__init__(parent)
        self.setupUi(self)


class Win2(QtWidgets.QMainWindow, Ui_Win2):
    def __init__(self, parent = None):
        super(Win2, self).__init__(parent)
        self.setupUi(self)


class Win3(QtWidgets.QMainWindow, Ui_Win3):
    def __init__(self, parent = None):
        super(Win3, self).__init__(parent)
        self.setupUi(self)
        

class MainWindow(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()

        self.stacked = QtWidgets.QStackedWidget(self)
        self.setCentralWidget(self.stacked)

        self.window_Win1 = Win1(self)
        self.window_Win1.setStyleSheet('#Win1 {background-color: #ffbdcc;}') 
        self.window_Win2 = Win2(self)
        self.window_Win2.setStyleSheet('#Win2 {background-color: #ccffbd;}') 
        self.window_Win3 = Win3(self)
        self.window_Win3.setStyleSheet('#Win3 {background-color: #bdccccff;}') 

        self.stacked.addWidget(self.window_Win1)
        self.stacked.addWidget(self.window_Win2)
        self.stacked.addWidget(self.window_Win3)
        
# +++ vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv 
        self.create_buttons(self.window_Win1)
        
    def create_buttons(self, parent):       
        bnt = QtWidgets.QPushButton("Win1", parent)
#        self.bnt.setGeometry(QtCore.QRect(0, 772, 150, 28)) # установите свою геометрию
        bnt.setGeometry(QtCore.QRect(0, 572, 150, 28))
        
        bnt_2 = QtWidgets.QPushButton("Win2", parent)
#        self.bnt_2.setGeometry(QtCore.QRect(150, 772, 150, 28))
        bnt_2.setGeometry(QtCore.QRect(150, 572, 150, 28))
        
        bnt_3 = QtWidgets.QPushButton("Win3", parent)
#        self.bnt_3.setGeometry(QtCore.QRect(300, 772, 150, 28))
        bnt_3.setGeometry(QtCore.QRect(300, 572, 150, 28))
        
        bnt.clicked.connect(self.go_win1)
        bnt_2.clicked.connect(self.go_win2)
        bnt_3.clicked.connect(self.go_win3)
        bnt.show()
        bnt_2.show()
        bnt_3.show()
        
    def go_win1(self):
        self.stacked.setCurrentIndex(0)
        self.create_buttons(self.window_Win1)
        
    def go_win2(self):
        self.stacked.setCurrentIndex(1)
        self.create_buttons(self.window_Win2)  
        
    def go_win3(self):
        self.stacked.setCurrentIndex(2)
        self.create_buttons(self.window_Win3)        
# +++ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    

if __name__ == '__main__':
    import sys
    app = QtWidgets.QApplication(sys.argv)
    window = MainWindow()
    window.resize(450, 650)                        # <---- (450, 800)
    window.show()
    sys.exit(app.exec_())

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1 个回答

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