def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_notepad()
self.ui.setupUi(self)
self.watcher = QtCore.QFileSystemWatcher(self)
QtCore.QObject.connect(self.ui.button_open, QtCore.SIGNAL("clicked()"),
self.file_dialog)
QtCore.QObject.connect(self.ui.button_save, QtCore.SIGNAL("clicked()"),
self.file_save)
QtCore.QObject.connect(self.ui.editor_window,
QtCore.SIGNAL("textChanged()"),
self.enable_save)
QtCore.QObject.connect(self.watcher,
QtCore.SIGNAL("fileChanged(const QString&)"),
self.file_changed)
self.filename = False
