Re: Need help with GtkComboBoxEntry set_active selection

[Iago Rubio <iago rubio hispalinux es>]

Hi Dru,

On Mon, 2005-03-21 at 00:57 +1200, Dru wrote:
> Hello. I'm trying to make a GtkComboBoxEntry show what item you have 
> currently selected in its popup list
> and I'm not having much luck. The problem is the list is not showing 
> what your current selection is.  It
> also doesnt scroll to your current selection is, so if you have a large 
> list in a combobox and want to select
> the next item in a list its a real pain for the user.
>
> heres a screen shot.
> http://www.treshna.com/~andru/gtkcomboentry.png
>
> Does anyone know of a way I can force highlighting in GtkComboBox? Is it 
> possible to extract the table_view variable
> from the GtkCombo? Maybe that would allow me to force selection of the 
> cell i want.  I'm just not sure on the
> approach to solving this.  If someone knows of an app that uses 
> GtkComboBoxEntry effectivily let me know, maybe
> that code could help me out a bit.

This example shows the behaviour you're looking for - not exactly but
it's close - with no need for an special configuration.

It always shows the selected item centered on the combo, just using
gtk_combo_box_new_text() on the combo box construction.

May be it could help you.

// save as test.c. 
// compile with:
// gcc `pkg-config --cflags --libs gtk+-2.0` test.c -o test 

#include <gtk/gtk.h>

int
main (int argc, char **argv)
{
  GtkWidget *window;
  GtkWidget *vbox;
  GtkWidget *combo;

  gtk_init (&argc, &argv);

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  vbox = gtk_vbox_new (FALSE, 0);
  gtk_widget_show (vbox);
  gtk_container_add (GTK_CONTAINER (window), vbox);

  combo = gtk_combo_box_new_text ();
  gtk_widget_show (combo);
  gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);

 // sorry for the long list but is needed when testing
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "one");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "two");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "three");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "four");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "five");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "six");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "seven");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "eight");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "nine");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "ten");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "eleven");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "twelve");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "q");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "w");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "e");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "r");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "t");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "y");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "u");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "i");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "o");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "p");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "a");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "s");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "d");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "f");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "g");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "h");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "j");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "k");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "l");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "z");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "x");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "c");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "v");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "b");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "n");
 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), "m");

  g_signal_connect ((gpointer) window, "destroy",
                    G_CALLBACK (gtk_main_quit),
                    NULL);

  gtk_widget_show (window);

  gtk_main ();
  return 0;
}

-- 
Iago Rubio