Re: GtkTreeView: Simple application

["Felipe Balbi" <felipebalbi users sourceforge net>]

Wow... thanks... :-)
Now I can keep going with my app...

thanks a lot :-)


On 5/26/07, David Nečas (Yeti) <yeti physics muni cz> wrote:
> On Sat, May 26, 2007 at 03:19:49AM +0300, Felipe Balbi wrote:
> >
> > my doubt regards this code:
> >
> > int main(int argc, char *argv[])
> > {
> >       GladeXML        *openhset;
> >       GtkWidget       *main_window, *test_window;
> >       GtkWidget       *main_window_treeview1;
> >       GtkWidget       *main_window_ok;
> >
> >       GtkListStore    *main_window_list;
> >       GtkTreeIter     iter;
> >
> >       GtkCellRenderer *renderer;
> >       GtkTreeViewColumn       *column;
> >
> >       struct usb_bus  *bus;
> >
> >       gtk_init(&argc, &argv);
> >
> >       /* Open the XML File */
> >       openhset = glade_xml_new (OPENHSET_XML, NULL, NULL);
> >
> >       /* Get Widgets */
> >       main_window = glade_xml_get_widget (openhset, "main_window");
> >       main_window_ok = glade_xml_get_widget (openhset, "main_window_ok");
> >       main_window_treeview1 = glade_xml_get_widget (openhset,
> > "main_window_treeview1");
> >
> >       /* Connect signal handlers */
> >       glade_xml_signal_autoconnect (openhset);
> >
> >       /* Create a GtkListStore */
> >       main_window_list = gtk_list_store_new (1, G_TYPE_STRING);
> >
> >       /* Populate the GtkListStore */
> >       gtk_list_store_append (main_window_list, &iter);
> >       gtk_list_store_set (main_window_list, &iter,
> >                       0, "TESTING",
> >                       -1);
> >
> >       /* Add the GtkListStore to the GtkTreeView */
> >       gtk_tree_view_set_model (GTK_TREE_VIEW (main_window_treeview1),
> > GTK_TREE_MODEL (main_window_list));
> >
> >       /* Renderer and column */
> >       renderer = gtk_cell_renderer_text_new();
> >       column = gtk_tree_view_column_new_with_attributes ("USB HCD", renderer,
> >                       "text", 1, NULL);
>
> Doesn't this print a warning to console?
>
> Your list store has only one column, which therefore gets
> number 0, and here you are trying to bind some renderer
> attribute to (nonexistent) column 1.
>
> >       gtk_tree_view_append_column (GTK_TREE_VIEW (main_window_treeview1), column);
> >
> >       gtk_main();
> >
> >       return 0;
> > }
> >
> > So... I can't see the result of:
> >
> >       gtk_list_store_set (main_window_list, &iter,
> >                       0, "TESTING",
> >                       -1);
> >
> > It's not being listed in the treeview after building / running the code.
>
> Probably a consequence of the problem above -- the tree view
> has not actually got anything to display.
>
> Yeti
>
> --
> http://gwyddion.net/
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--
Best Regards,

Felipe Balbi
felipebalbi users sourceforge net