Python 2.7 PySide:如何从另一个类更改状态栏文本?
我正在尝试使用PySide设计GUI,并打算进行一些处理和更新状态栏。但是,我的代码中有一些错误。有人能看看我,让我知道我做错了什么吗?特别是我在SampleTab1类下调用process方法的方式Python 2.7 PySide:如何从另一个类更改状态栏文本?,python-2.7,user-interface,pyqt,pyside,statusbar,Python 2.7,User Interface,Pyqt,Pyside,Statusbar,我正在尝试使用PySide设计GUI,并打算进行一些处理和更新状态栏。但是,我的代码中有一些错误。有人能看看我,让我知道我做错了什么吗?特别是我在SampleTab1类下调用process方法的方式 import sys from PySide import QtGui class MainWindow(QtGui.QMainWindow): def __init__(self): super(MainWindow, self).__init__()
import sys
from PySide import QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
# Setup the window
self.resize(750, 550)
self.myGUI()
def myGUI(self):
# create tab widget
self.mytabs_widget = QtGui.QTabWidget()
self.mytabs_widget.addTab(SampleTab1(self.mytabs_widget), "Tab 1")
# create the layout area for tab widget
self.mylayout = QtGui.QHBoxLayout()
self.mylayout.addWidget(self.mytabs_widget)
# create content area widget for padding
self.mycontent_widget = QtGui.QWidget()
self.mycontent_widget.setContentsMargins(5, 5, 5, 0)
self.mycontent_widget.setLayout(self.mylayout)
# set the central widget
self.setCentralWidget(self.mycontent_widget)
self.setWindowTitle("Tab Example")
# Create a status bar with the progress information.
self.statusText = QtGui.QLabel("Ready")
self.statusBar().addWidget(self.statusText, 1)
class SampleTab1(QtGui.QWidget):
def __init__(self, parent=None):
super(SampleTab1, self).__init__(parent)
label = QtGui.QLabel('Sample tab 1', self)
label.move(15, 10)
self.show()
self.process()
def process(self):
MainWindow.statusText.setText("Processing")
def main():
try:
app = QtGui.QApplication(sys.argv)
except:
app = QtGui.QApplication.instance()
app.aboutToQuit.connect(app.deleteLater)
window = MainWindow()
window.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
您可以通过父子层次结构访问主窗口,将以下行添加到代码中: 将mainWindow设置为tabWidget的父项将self放入括号内
...
self.mytabs_widget = QtGui.QTabWidget(self)
...
使用父方法到达主窗口:
这里self.parent为您提供tabWidget,因此self.parent.parent为您提供主窗口
我将您的发布代码更新为:
import sys
from PySide import QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
# Setup the window
self.resize(750, 550)
self.myGUI()
def myGUI(self):
# create tab widget
self.mytabs_widget = QtGui.QTabWidget(self)
self.mytabs_widget.addTab(SampleTab1(self.mytabs_widget), "Tab 1")
# create the layout area for tab widget
self.mylayout = QtGui.QHBoxLayout()
self.mylayout.addWidget(self.mytabs_widget)
# create content area widget for padding
self.mycontent_widget = QtGui.QWidget()
self.mycontent_widget.setContentsMargins(5, 5, 5, 0)
self.mycontent_widget.setLayout(self.mylayout)
# set the central widget
self.setCentralWidget(self.mycontent_widget)
self.setWindowTitle("Tab Example")
# Create a status bar with the progress information.
self.statusText = QtGui.QLabel("Ready")
self.statusBar().addWidget(self.statusText, 1)
class SampleTab1(QtGui.QWidget):
def __init__(self, parent=None):
super(SampleTab1, self).__init__(parent)
label = QtGui.QLabel('Sample tab 1', self)
label.move(15, 10)
self.show()
self.process()
def process(self):
self.parent().parent().statusBar().showMessage("Processing")
def main():
try:
app = QtGui.QApplication(sys.argv)
except:
app = QtGui.QApplication.instance()
app.aboutToQuit.connect(app.deleteLater)
window = MainWindow()
window.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
您可以通过父子层次结构访问主窗口,将以下行添加到代码中: 将mainWindow设置为tabWidget的父项将self放入括号内
...
self.mytabs_widget = QtGui.QTabWidget(self)
...
使用父方法到达主窗口:
这里self.parent为您提供tabWidget,因此self.parent.parent为您提供主窗口
我将您的发布代码更新为:
import sys
from PySide import QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
# Setup the window
self.resize(750, 550)
self.myGUI()
def myGUI(self):
# create tab widget
self.mytabs_widget = QtGui.QTabWidget(self)
self.mytabs_widget.addTab(SampleTab1(self.mytabs_widget), "Tab 1")
# create the layout area for tab widget
self.mylayout = QtGui.QHBoxLayout()
self.mylayout.addWidget(self.mytabs_widget)
# create content area widget for padding
self.mycontent_widget = QtGui.QWidget()
self.mycontent_widget.setContentsMargins(5, 5, 5, 0)
self.mycontent_widget.setLayout(self.mylayout)
# set the central widget
self.setCentralWidget(self.mycontent_widget)
self.setWindowTitle("Tab Example")
# Create a status bar with the progress information.
self.statusText = QtGui.QLabel("Ready")
self.statusBar().addWidget(self.statusText, 1)
class SampleTab1(QtGui.QWidget):
def __init__(self, parent=None):
super(SampleTab1, self).__init__(parent)
label = QtGui.QLabel('Sample tab 1', self)
label.move(15, 10)
self.show()
self.process()
def process(self):
self.parent().parent().statusBar().showMessage("Processing")
def main():
try:
app = QtGui.QApplication(sys.argv)
except:
app = QtGui.QApplication.instance()
app.aboutToQuit.connect(app.deleteLater)
window = MainWindow()
window.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
谢谢你的回复。这真的很有帮助。谢谢你的回复。这真的很有帮助。