Re: Multiple columns in a ComboBoxEntry

Greg Aumann wrote:

> I am pretty new to PyGTK and am having some trouble trying to get a
> comboboxentry with multiple columns in it.
>
> I am using glade 2.6.7, pygtk 2.4.1 on Gentoo linux
>
> I am trying to rewrite an Access database GUI in pygtk. In Access I have
> a combobox that has multiple columns, including one with the primary key
> that is hidden. I select the entry using the combobox and jump to the
> entry with that primary key. I would like to do something similar with
> pygtk.
>
> As the ComboBoxEntry widget is reasonably new I am finding it difficult
> to find more complex examples of how to use it. I am already using John
> Finlay's tutorial and reference.
>
> I am trying to use a ComboBoxEntry with a multiple column liststore. It
> is partially working. I can load all the columns into the list store but
> I can only display one at a time. Is there anyway to display multiple
> columns? Or should I be using a TreeStore?
>
> The ComboBoxEntry is created by glade. Then I use the following code:
>
>         combo_widget = widgets.get_widget('comboboxentry')
>         liststore = gtk.ListStore(str, str, str, str)
>         for r in rows:
>             liststore.append(r)
>         combo.set_model(liststore)
>         combo.set_text_column(1)
You can pack more cell renderers into the comboboxentry for display in 
the popdown menu by using the CellLayout pack_start() method and then 
set the attributes using the set_attributes() or add_attribute() methods:

cell = gtk.CellRendererText()
combo.pack_start(cell)
combo.add_attribute(cell, 'text', 2)

Repeat as needed :-)

John

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