From: Joao Pedrosa <joaopedrosa@...>
Date: 2004-08-14T07:57:07+09:00
Subject: Re: GTK weirdness

Hi,

--- Joe Laughlin <Joseph.V.Laughlin@boeing.com> wrote:

> I'm creating a Gtk::TreeViewColumn and attaching its
> model to a
> Gtk::ListStore.  The liststore is created to have
> one column of type Object.
> I then create a bunch of columns  and renderers and
> and call
> set_cell_data_func() on each column, setting the
> renderer.text attribute to
> equal some atribute in an object that's contained in
> the Gtk::ListStore.
> 
> (hope that makes sense!)
> 
> So when I run the application, I get a bunch of
> these warnings when I move
> my mouse over the treeview:
> 
>  GLib-GObject-WARNING **: unable to set property
> `text' of type `gchararray'
> from value of type `VALUE'
> 
> Ideas?

On Windows 2000, ruby 1.8.2 (2004-06-29)
[i386-mswin32], with the "One Click Ruby Install"
(OCRI), GTK 2.4.3 by Tor, Ruby/GTK from the CVS, I was
able to create the following example, which seemed to
work fine. By the way, great Idea. :)

---->--- cut ---->-----
require 'gtk2'
include Gtk

def create_treeview
  model = ListStore.new(Object)
  treeview = TreeView.new(model)
  3.times{|n|
    column = TreeViewColumn.new
    column.set_title("Etc#{n}")
    text_renderer = CellRendererText.new
    column.pack_start(text_renderer, true)
    text_renderer.signal_connect('edited'){|cell,
path, value| }
    column.set_cell_data_func(text_renderer){|column,
cell, model, iter|
      cell.text = iter[0][n].to_s
    }
    treeview.append_column(column)
  }
  fill_random_data model
  treeview
end

def fill_random_data model
  10.times{|i|
    iter = model.append
    iter[0] = ["one#{i}", 2 + i, "three#{i}"]
  }
end

Gtk.init
w = Window.new
w.signal_connect('destroy'){ Gtk.main_quit }
w.title = 'A Test'
w.set_default_size 500,400
w.add(create_treeview)
w.show_all
Gtk.main
---->--- cut ---->-----

Cheers,
Joao


		
__________________________________
Do you Yahoo!?
Yahoo! Mail - You care about security. So do we.
http://promotions.yahoo.com/new_mail