Python PyQt:如何隐藏QMainWindow
单击对话框01的按钮隐藏其窗口并打开对话框02。单击对话框02的按钮应关闭其窗口并取消隐藏对话框01。如何实现Python PyQt:如何隐藏QMainWindow,python,pyqt,qtgui,qmainwindow,Python,Pyqt,Qtgui,Qmainwindow,单击对话框01的按钮隐藏其窗口并打开对话框02。单击对话框02的按钮应关闭其窗口并取消隐藏对话框01。如何实现 import sys, os from PyQt4 import QtCore, QtGui class Dialog_02(QtGui.QMainWindow): def __init__(self): super(Dialog_02, self).__init__() myQWidget = QtGui.QWidget()
import sys, os
from PyQt4 import QtCore, QtGui
class Dialog_02(QtGui.QMainWindow):
def __init__(self):
super(Dialog_02, self).__init__()
myQWidget = QtGui.QWidget()
myBoxLayout = QtGui.QVBoxLayout()
Button_02 = QtGui.QPushButton("Close THIS and Unhide Dialog 01")
Button_02.clicked.connect(self.closeAndReturn)
myBoxLayout.addWidget(Button_02)
myQWidget.setLayout(myBoxLayout)
self.setCentralWidget(myQWidget)
self.setWindowTitle('Dialog 02')
def closeAndReturn(self):
self.close()
class Dialog_01(QtGui.QMainWindow):
def __init__(self):
super(Dialog_01, self).__init__()
myQWidget = QtGui.QWidget()
myBoxLayout = QtGui.QVBoxLayout()
Button_01 = QtGui.QPushButton("Hide THIS and Open Dialog 02")
Button_01.clicked.connect(self.callAnotherQMainWindow)
myBoxLayout.addWidget(Button_01)
myQWidget.setLayout(myBoxLayout)
self.setCentralWidget(myQWidget)
self.setWindowTitle('Dialog 01')
def callAnotherQMainWindow(self):
self.hide()
self.dialog_02 = Dialog_02()
self.dialog_02.show()
self.dialog_02.raise_()
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
dialog_1 = Dialog_01()
dialog_1.show()
sys.exit(app.exec_())
使第一个窗口成为第二个窗口的父窗口:
class Dialog_02(QtGui.QMainWindow):
def __init__(self, parent):
super(Dialog_02, self).__init__(parent)
# ensure this window gets garbage-collected when closed
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
...
def closeAndReturn(self):
self.close()
self.parent().show()
class Dialog_01(QtGui.QMainWindow):
...
def callAnotherQMainWindow(self):
self.hide()
self.dialog_02 = Dialog_02(self)
self.dialog_02.show()
如果希望每次都显示相同的对话框,请执行以下操作:
def callAnotherQMainWindow(self):
self.hide()
if not hassattr(self, 'dialog_02'):
self.dialog_02 = Dialog_02(self)
self.dialog_02.show()
和
hide()
子窗口,而不是关闭它。@ekhumaro,在创建Dialog\u 02的实例时,父窗口是否需要是Dialog\u 01或Dialog\u 01的实例?@CheynShmuel。我需要成为一个例子。