Other question, how can I set the active option? gtk_combo_box_set_active?
2010/6/16 John Williams <asb1231@xxxxxxxxx>:
> 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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