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108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
#!/usr/bin/env python
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#============================================================================#
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# PyQt5 port of the designer/containerextension example from Qt v5.x #
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#----------------------------------------------------------------------------#
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from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QSize
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from PyQt5.QtWidgets import (QApplication, QComboBox, QLabel, QStackedWidget,
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QVBoxLayout, QWidget)
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#============================================================================#
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# Implementation of a MultiPageWidget using a QComboBox and a QStackedWidget #
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#----------------------------------------------------------------------------#
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class PyMultiPageWidget(QWidget):
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currentIndexChanged = pyqtSignal(int)
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pageTitleChanged = pyqtSignal(str)
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def __init__(self, parent=None):
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super(PyMultiPageWidget, self).__init__(parent)
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self.comboBox = QComboBox()
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# MAGIC
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# It is important that the combo box has an object name beginning
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# with '__qt__passive_', otherwise, it is inactive in the form editor
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# of the designer and you can't change the current page via the
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# combo box.
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# MAGIC
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self.comboBox.setObjectName('__qt__passive_comboBox')
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self.stackWidget = QStackedWidget()
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self.comboBox.activated.connect(self.setCurrentIndex)
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self.layout = QVBoxLayout()
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self.layout.addWidget(self.comboBox)
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self.layout.addWidget(self.stackWidget)
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self.setLayout(self.layout)
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def sizeHint(self):
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return QSize(200, 150)
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def count(self):
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return self.stackWidget.count()
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def widget(self, index):
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return self.stackWidget.widget(index)
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@pyqtSlot(QWidget)
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def addPage(self, page):
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self.insertPage(self.count(), page)
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@pyqtSlot(int, QWidget)
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def insertPage(self, index, page):
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page.setParent(self.stackWidget)
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self.stackWidget.insertWidget(index, page)
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title = page.windowTitle()
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if title == "":
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title = "Page %d" % (self.comboBox.count() + 1)
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page.setWindowTitle(title)
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self.comboBox.insertItem(index, title)
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@pyqtSlot(int)
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def removePage(self, index):
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widget = self.stackWidget.widget(index)
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self.stackWidget.removeWidget(widget)
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self.comboBox.removeItem(index)
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def getPageTitle(self):
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cw = self.stackWidget.currentWidget()
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return cw.windowTitle() if cw is not None else ''
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@pyqtSlot(str)
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def setPageTitle(self, newTitle):
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cw = self.stackWidget.currentWidget()
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if cw is not None:
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self.comboBox.setItemText(self.getCurrentIndex(), newTitle)
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cw.setWindowTitle(newTitle)
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self.pageTitleChanged.emit(newTitle)
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def getCurrentIndex(self):
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return self.stackWidget.currentIndex()
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@pyqtSlot(int)
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def setCurrentIndex(self, index):
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if index != self.getCurrentIndex():
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self.stackWidget.setCurrentIndex(index)
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self.comboBox.setCurrentIndex(index)
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self.currentIndexChanged.emit(index)
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pageTitle = pyqtProperty(str, fget=getPageTitle, fset=setPageTitle, stored=False)
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currentIndex = pyqtProperty(int, fget=getCurrentIndex, fset=setCurrentIndex)
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#============================================================================#
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# Main for testing the class #
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#----------------------------------------------------------------------------#
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if __name__ == "__main__":
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import sys
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app = QApplication(sys.argv)
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widget = PyMultiPageWidget()
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widget.addPage(QLabel('This is page #1'))
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widget.addPage(QLabel('This is page #2'))
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widget.show()
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sys.exit(app.exec_())
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#============================================================================#
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# EOF #
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#----------------------------------------------------------------------------#
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