Combo Box Basic
#!/usr/bin/env python # # [SNIPPET_NAME: Combo Box Basic] # [SNIPPET_CATEGORIES: PyQt4] # [SNIPPET_DESCRIPTION: An basic example of a combo box] # [SNIPPET_AUTHOR: Darren Worrall <[email protected]>] # [SNIPPET_LICENSE: GPL] # [SNIPPET_DOCS: http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qcombobox.html] # example comboboxbasic.py import sys from PyQt4 import QtGui, QtCore class ComboBoxBasic(QtGui.QWidget): """ An basic example combo box application """ def __init__(self): # create GUI QtGui.QMainWindow.__init__(self) self.setWindowTitle('Combo Box Basic') # Set the window dimensions self.resize(250,50) # vertical layout for widgets self.vbox = QtGui.QVBoxLayout() self.setLayout(self.vbox) # Create a combo box and add it to our layout self.combo = QtGui.QComboBox() self.vbox.addWidget(self.combo) # A label to display our selection self.lbl = QtGui.QLabel('Ubuntu') # Center align text self.lbl.setAlignment(QtCore.Qt.AlignHCenter) self.vbox.addWidget(self.lbl) # You can add items individually: self.combo.addItem('Ubuntu') self.combo.addItem('Fedora') # Or add a sequence in one call distrolist = ['Linux Mint', 'Gentoo', 'Mandriva'] self.combo.addItems(distrolist) # Connect the activated signal on the combo box to our handler. # This is an overloaded signal, meaning there are variants of it, for # example the activated(int) variant emits the index of the chosen # option, rather than it's text self.connect(self.combo, QtCore.SIGNAL('activated(QString)'), self.combo_chosen) def combo_chosen(self, text): """ Handler called when a distro is chosen from the combo box """ self.lbl.setText(text) # If the program is run directly or passed as an argument to the python # interpreter then create a ComboBoxBasic instance and show it if __name__ == "__main__": app = QtGui.QApplication(sys.argv) gui = ComboBoxBasic() gui.show() app.exec_()