[pygtk] Having problems using gtk.CellRendererCombo

[Kim Novak]

The CellRendererCombo needs to be editable. The drop-down will only 
appear when you click on the cell.

cellcombo.set_property("editable", True)

John Wood wrote:
> Hello,
>
> I'm having a hard time using a gtk.CellRendererCombo in my treeview
> widget. The problem is that the combobox widget won't show. I've read
> the pygtk reference a number times and the I get no errors executing
> my code. I've created a small sample program which illustrates my
> problem.
>
> Any help is much appreciated, if someone can point me to a pygtk
> program that uses gtk.CellRendererCombo that would be great.
>
> John
>
> #!/usr/bin/env python
> import sys
>
> try:
>    import pygtk
>    pygtk.require("2.6")
> except:
>    pass
>
> try:
>    import gtk
> except:
>    sys.exit(1)
>
> class CellRendererExample:
>    """ Main class of the application. """
>
>    def __init__(self):
>        # Create window and connect its destroy signal.
>        window = gtk.Window()
>        window.connect("destroy", gtk.main_quit)
>
>        # Create and add a treeview widget to the window.
>        self.treeview = gtk.TreeView()
>        window.add(self.treeview)
>
>        # Create a text column
>        column0 = gtk.TreeViewColumn("Text",
>                                    gtk.CellRendererText(),
>                                    text=0)
>
>        # Create a combobox column
>        cellcombo = gtk.CellRendererCombo()
>
>        model = gtk.ListStore(str)
>
>        for k in range(1,10):
>            model.append(["item_%d" % k])
>
>        cellcombo.set_property("model", model)
>
>        column1 = gtk.TreeViewColumn("Combobox", cellcombo)
>
>        column1.add_attribute(cellcombo, "text-column", 1)
>
>        self.treeview.append_column(column0)
>        self.treeview.append_column(column1)
>
>        # Create liststore.
>        liststore = gtk.ListStore(str, int)
>
>        # Append a couple of rows.
>        liststore.append(["Some text", 0])
>        liststore.append(["More text", 1])
>
>        # Set model.
>        self.treeview.set_model(liststore)
>
>        window.show_all()
>
>    def main(self):
>        gtk.main()
>
> if __name__ == "__main__":
>    cre = CellRendererExample()
>    cre.main()
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