具有状态栏和菜单栏的 PyQt QWidget
PyQt having a status bar & menu bar QWidget
我正在尝试创建一个 PyQt 应用程序,它具有状态栏和菜单栏以及 window 中的其他小部件。下面是我用 class QtGui.QMainWindow
方法设法得到它 运行 的代码。但是当我打算添加更多功能时,我意识到我必须改用 QtGui.QWidget
。
代码如下:
import sys
from PyQt4 import QtGui, QtCore
### How can I use QtGui.QWidget here??? ###
class Example(QtGui.QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QtGui.QToolTip.setFont(QtGui.QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QtGui.QAction(QtGui.QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(QtGui.qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
qbtn = QtGui.QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
def launchAAA(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Are you sure to quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
QtGui.QApplication.quit()
else:
pass
def main():
app = QtGui.QApplication(sys.argv)
ex=Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
我的印象是可以使用QWidget方法创建菜单栏和标题栏,但在这里不起作用。我打算使用 QtGui.QLCDNumber
.
向应用程序添加 LCD 功能
关于如何解决上述问题的任何建议。谢谢
这是一个使用您的代码的有效解决方案。我在 QMainWindow
中添加了一个 centralWidget
和一个 centralLayout
,它现在包含你的 qbtn
:
import sys
from PyQt4 import QtGui, QtCore
class Example(QtGui.QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QtGui.QToolTip.setFont(QtGui.QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QtGui.QAction(QtGui.QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(QtGui.qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
# Create a central Widgets
centralWidget = QtGui.QWidget()
# Create a Layout for the central Widget
centralLayout = QtGui.QHBoxLayout()
qbtn = QtGui.QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
# Add the Button to the Layout
centralLayout.addWidget(qbtn)
# Set the Layout
centralWidget.setLayout(centralLayout)
# Set the Widget
self.setCentralWidget(centralWidget)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
def launchAAA(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Are you sure to quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
QtGui.QApplication.quit()
else:
pass
def main():
app = QtGui.QApplication(sys.argv)
ex=Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
你可以移动你的buttons/labels/etc。到 QWidget
,并将此小部件添加到主 window。这是它的样子(我更改了导入以使其更具可读性)。
您的内容小部件 class :
class ExampleContent(QWidget):
def __init__(self, parent):
QWidget.__init__(self, parent)
self.initUI()
def initUI(self):
qbtn = QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
def launchAAA(self):
reply = QMessageBox.question(self, 'Message',
"Are you sure to quit?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if reply == QMessageBox.Yes:
QApplication.quit()
else:
pass
添加到主window:
class Example(QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QToolTip.setFont(QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QAction(QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
# create the widget here
content = ExampleContent(self)
self.setCentralWidget(content)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
除了中间有一个 QWidget
而不是 QMainWindow
之外,一切都像以前一样工作。希望对您有所帮助!
您也可以结合使用 QMainWindow 和 QWidget。
我发现这在某些情况下很有用。您可以将状态栏和菜单栏添加到 MainWindow 部分,将小部件添加到 QWidget 区域。
import sys
from PyQt4 import QtCore, QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.win_widget = WinWidget(self)
widget = QtGui.QWidget()
layout = QtGui.QVBoxLayout(widget)
layout.addWidget(self.win_widget)
self.setCentralWidget(widget)
self.statusBar().showMessage('Ready')
self.setGeometry(300, 300, 450, 250)
self.setWindowTitle('Test')
self.setWindowIcon (QtGui.QIcon('logo.png'))
self.show()
self.win_widget = WinWidget (self)
class WinWidget (QtGui.QWidget) :
def __init__(self, parent):
super (WinWidget , self).__init__(parent)
self.__controls()
#self.__layout()
def __controls(self):
self.qbtn = QtGui.QPushButton('Quit', self)
self.qbtn. clicked.connect(QtCore.QCoreApplication.instance().quit)
self.qbtn.setFixedSize (100,25)
self.qbtn.move(50, 50)
def main():
app = QtGui.QApplication(sys.argv)
win = MainWindow()
win.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
我正在尝试创建一个 PyQt 应用程序,它具有状态栏和菜单栏以及 window 中的其他小部件。下面是我用 class QtGui.QMainWindow
方法设法得到它 运行 的代码。但是当我打算添加更多功能时,我意识到我必须改用 QtGui.QWidget
。
代码如下:
import sys
from PyQt4 import QtGui, QtCore
### How can I use QtGui.QWidget here??? ###
class Example(QtGui.QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QtGui.QToolTip.setFont(QtGui.QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QtGui.QAction(QtGui.QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(QtGui.qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
qbtn = QtGui.QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
def launchAAA(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Are you sure to quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
QtGui.QApplication.quit()
else:
pass
def main():
app = QtGui.QApplication(sys.argv)
ex=Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
我的印象是可以使用QWidget方法创建菜单栏和标题栏,但在这里不起作用。我打算使用 QtGui.QLCDNumber
.
关于如何解决上述问题的任何建议。谢谢
这是一个使用您的代码的有效解决方案。我在 QMainWindow
中添加了一个 centralWidget
和一个 centralLayout
,它现在包含你的 qbtn
:
import sys
from PyQt4 import QtGui, QtCore
class Example(QtGui.QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QtGui.QToolTip.setFont(QtGui.QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QtGui.QAction(QtGui.QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(QtGui.qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
# Create a central Widgets
centralWidget = QtGui.QWidget()
# Create a Layout for the central Widget
centralLayout = QtGui.QHBoxLayout()
qbtn = QtGui.QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
# Add the Button to the Layout
centralLayout.addWidget(qbtn)
# Set the Layout
centralWidget.setLayout(centralLayout)
# Set the Widget
self.setCentralWidget(centralWidget)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
def launchAAA(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Are you sure to quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
QtGui.QApplication.quit()
else:
pass
def main():
app = QtGui.QApplication(sys.argv)
ex=Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
你可以移动你的buttons/labels/etc。到 QWidget
,并将此小部件添加到主 window。这是它的样子(我更改了导入以使其更具可读性)。
您的内容小部件 class :
class ExampleContent(QWidget):
def __init__(self, parent):
QWidget.__init__(self, parent)
self.initUI()
def initUI(self):
qbtn = QPushButton('Quit', self)
qbtn.setToolTip('This is a <b>QPushButton</b> widget')
qbtn.clicked.connect(self.launchAAA)
qbtn.resize(qbtn.sizeHint())
qbtn.move(170, 190)
def launchAAA(self):
reply = QMessageBox.question(self, 'Message',
"Are you sure to quit?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if reply == QMessageBox.Yes:
QApplication.quit()
else:
pass
添加到主window:
class Example(QMainWindow):
def __init__(self):
super(Example, self).__init__()
self.initUI()
def initUI(self):
QToolTip.setFont(QFont('SansSerif', 10))
self.setToolTip('This is a <b>QWidget</b> Window widget')
exitAction = QAction(QIcon('exit-icon-2.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit/Terminate application')
exitAction.triggered.connect(qApp.quit)
self.statusBar()
menubar = self.menuBar()
menubar.setToolTip('This is a <b>QWidget</b> for MenuBar')
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAction)
toolbar = self.addToolBar('Exit')
toolbar.addAction(exitAction)
# create the widget here
content = ExampleContent(self)
self.setCentralWidget(content)
self.setGeometry(500, 180, 400, 400)
self.setWindowTitle('Quit button with Message')
self.show()
除了中间有一个 QWidget
而不是 QMainWindow
之外,一切都像以前一样工作。希望对您有所帮助!
您也可以结合使用 QMainWindow 和 QWidget。
我发现这在某些情况下很有用。您可以将状态栏和菜单栏添加到 MainWindow 部分,将小部件添加到 QWidget 区域。
import sys
from PyQt4 import QtCore, QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.win_widget = WinWidget(self)
widget = QtGui.QWidget()
layout = QtGui.QVBoxLayout(widget)
layout.addWidget(self.win_widget)
self.setCentralWidget(widget)
self.statusBar().showMessage('Ready')
self.setGeometry(300, 300, 450, 250)
self.setWindowTitle('Test')
self.setWindowIcon (QtGui.QIcon('logo.png'))
self.show()
self.win_widget = WinWidget (self)
class WinWidget (QtGui.QWidget) :
def __init__(self, parent):
super (WinWidget , self).__init__(parent)
self.__controls()
#self.__layout()
def __controls(self):
self.qbtn = QtGui.QPushButton('Quit', self)
self.qbtn. clicked.connect(QtCore.QCoreApplication.instance().quit)
self.qbtn.setFixedSize (100,25)
self.qbtn.move(50, 50)
def main():
app = QtGui.QApplication(sys.argv)
win = MainWindow()
win.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()