Yes Tadej, you understand perfectly.
Thank you for the example!
2010/6/15 Tadej Borovšak <tadeboro@xxxxxxxxx>:
> Hello.
>
> If I understand you correctly, you want to store name and ID of your
> field inside combo box and retrieve it when needed. If this is true,
> have a look at this snippet of code that demonstrates how to do this:
>
> -------
> #include <gtk/gtk.h>
>
> enum
> {
> COL_NAME,
> COL_ID,
> NO_COLS
> };
>
> static void
> cb_changed (GtkComboBox *combo)
> {
> GtkTreeIter iter;
> GtkTreeModel *model;
> gint id;
> gchar *name;
>
> gtk_combo_box_get_active_iter (combo, &iter);
> model = gtk_combo_box_get_model (combo);
> gtk_tree_model_get (model, &iter, COL_NAME, &name, COL_ID, &id, -1);
>
> g_print ("Active selection: %s (id: %d)\n", name, id);
> g_free (name);
> }
>
> int
> main (int argc,
> char **argv)
> {
> GtkWidget *window,
> *combo;
> GtkCellRenderer *cell;
> GtkListStore *store;
> gint i;
>
> gtk_init (&argc, &argv);
>
> window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> g_signal_connect (window, "destroy", gtk_main_quit, NULL);
>
> store = gtk_list_store_new (NO_COLS, G_TYPE_STRING, G_TYPE_INT);
> for (i = 0; i < 10; i++)
> {
> GtkTreeIter iter;
> gchar name[] = "Item ";
>
> name[5] = '0' + i;
> gtk_list_store_append (store, &iter);
> gtk_list_store_set (store, &iter, COL_NAME, name,
> COL_ID, g_random_int (),
> -1);
> }
>
> combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
> g_signal_connect (combo, "changed", G_CALLBACK (cb_changed), NULL);
> gtk_container_add (GTK_CONTAINER (window), combo);
>
> cell = gtk_cell_renderer_text_new ();
> gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
> gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,
> "text", COL_NAME);
>
> gtk_widget_show_all (window);
>
> gtk_main();
>
> return 0;
> }
> ----------
>
> Tadej
>
> --
> Tadej Borovšak
> tadeboro.blogspot.com
> tadeboro@xxxxxxxxx
> tadej.borovsak@xxxxxxxxx
>
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