On Mon, Mar 10, 2003 at 12:54:03PM -0700, Jay Graves wrote:
> I am trying to build an app using an object oriented approach that I saw
> someone post here before. The code goes something like this
> class GUI(gtk.glade.XML):
> def __init__(self):
> gtk.glade.XML.__init__(self,'the.glade.file,'GUI')
> self.signal_autoconnect(dict(GUI.__dict__))
> self.textWindow = self.get_widget('textWindow')
> def on_button_clicked(self):
> self.textWindow.set_text('this is a test')
I'm not sure I understand the reasoning behind subclassing glade.XML (which
doesn't mean it's a bad idea).
If I already have a widget in the XML tree, my tendency is to use
aggregation rather than subclassing. For instance, I have a
MultiColumnTreeView class that takes responsibility for things like adding
columns to the TreeView. It's not a subclass of TreeView, it just contains
one. I pass in a TreeView when instantiating a MultiColumnTreeView object.
You can then connect callbacks with something like:
my_widget = xml.get_widget('my_widget')
foo = Foo(my_widget, ...)
xml.signal_autoconnect(foo)
Dave Cook
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