Re: gtkcombobox with self internal code to the options

[John Williams <asb1231 gmail com>]

Anyone?

2010/6/16 John Williams <asb1231 gmail com>:
> Other question, how can I set the active option? gtk_combo_box_set_active?
>
> 2010/6/16 John Williams <asb1231 gmail com>:
>> Yes Tadej, you understand perfectly.
>>
>> Thank you for the example!
>>
>> 2010/6/15 Tadej Borovšak <tadeboro gmail com>:
>>> 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 gmail com
>>> tadej borovsak gmail com
>>>
>>
>