- if (g_isIdle)
- wxapp_install_idle_handler();
-
- if (!notebook->m_hasVMT) return FALSE;
- if (g_blockEventsOnDrag) return FALSE;
-
- /* win is a control: tab can be propagated up */
- if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
- {
- int page;
- int nMax = notebook->GetPageCount();
- if ( nMax-- ) // decrement it to get the last valid index
- {
- int nSel = notebook->GetSelection();
-
- // change selection wrapping if it becomes invalid
- page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
- : nSel + 1
- : nSel == 0 ? nMax
- : nSel - 1;
- }
- else // notebook is empty, no next page
- {
- return FALSE;
- }
-
- // m_selection = page;
- gtk_notebook_set_current_page( GTK_NOTEBOOK(widget), page );
-
- g_signal_stop_emission_by_name (widget, "key_press_event");
- return TRUE;
- }
-
- /* win is a control: tab can be propagated up */
- if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
- {
- int sel = notebook->GetSelection();
- if (sel == -1)
- return TRUE;
- wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
- wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
-
- wxNavigationKeyEvent event;
- event.SetEventObject( notebook );
- /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
- event.SetDirection( (gdk_event->keyval == GDK_Tab) );
- /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
- event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ||
- (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
- event.SetCurrentFocus( notebook );
-
- wxNotebookPage *client = notebook->GetPage(sel);
- if ( !client->GetEventHandler()->ProcessEvent( event ) )
- {
- client->SetFocus();
- }
-
- g_signal_stop_emission_by_name (widget, "key_press_event");
- return TRUE;
- }
-
- return FALSE;