+    if (!combo->m_hasVMT) return;
+
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
+    event.SetString( combo->GetValue() );
+    event.SetEventObject( combo );
+    combo->GetEventHandler()->ProcessEvent( event );
+}
+
+static void
+gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
+{
+}
+
+static void
+gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
+{
+    // when the popup is hidden, throw a SELECTED event only if the combobox
+    // selection changed.
+    int curSelection = combo->GetSelection();
+    if (g_SelectionBeforePopup != curSelection)
+    {
+        wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
+        event.SetInt( curSelection );
+        event.SetString( combo->GetStringSelection() );
+        event.SetEventObject( combo );
+        combo->GetEventHandler()->ProcessEvent( event );
+    }
+
+    // reset the selection flag to an identifiable value (-2 = hidden)
+    g_SelectionBeforePopup = -2;
+}
+
+static void
+gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
+{
+    // store the combobox selection value before the popup is shown
+  // if there is no selection, combo->GetSelection() returns -1
+    g_SelectionBeforePopup = combo->GetSelection();
+}
+
+//-----------------------------------------------------------------------------
+// "select-child" - click/cursor get select-child, changed, select-child
+//-----------------------------------------------------------------------------
+
+static void
+gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!combo->m_hasVMT) return;
+
+    if (g_blockEventsOnDrag) return;
+
+    int curSelection = combo->GetSelection();
+
+    if (combo->m_prevSelection == curSelection) return;
+
+    GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
+    gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
+
+    combo->m_prevSelection = curSelection;
+
+    // Quickly set the value of the combo box
+    // as GTK+ does that only AFTER the event
+    // is sent.
+    gtk_signal_disconnect_by_func( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
+    combo->SetValue( combo->GetStringSelection() );
+    gtk_signal_connect_after( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
+
+    // throw a SELECTED event only if the combobox popup is hidden (-2)
+    // because when combobox popup is shown, gtk_combo_select_child_callback is
+    // called each times the mouse is over an item with a pressed button so a lot
+    // of SELECTED event could be generated if the user keep the mouse button down
+    // and select other items ...
+    if (g_SelectionBeforePopup == -2)
+    {
+        wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
+        event.SetInt( curSelection );
+        event.SetString( combo->GetStringSelection() );
+        event.SetEventObject( combo );
+        combo->GetEventHandler()->ProcessEvent( event );
+      }
+
+    // Now send the event ourselves
+    wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
+    event2.SetString( combo->GetValue() );
+    event2.SetEventObject( combo );
+    combo->GetEventHandler()->ProcessEvent( event2 );