-static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
- GtkNotebookPage *WXUNUSED(page),
- guint page,
- wxNotebook *notebook )
-{
- // are you trying to call SetSelection() from a notebook event handler?
- // you shouldn't!
- wxCHECK_RET( !notebook->m_inSwitchPage,
- _T("gtk_notebook_page_change_callback reentered") );
-
- notebook->m_inSwitchPage = TRUE;
- if (g_isIdle)
- wxapp_install_idle_handler();
-
- int old = notebook->GetSelection();
-
- wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
- notebook->GetId(), page, old );
- eventChanging.SetEventObject( notebook );
-
- if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
- !eventChanging.IsAllowed() )
- {
- /* program doesn't allow the page change */
- g_signal_stop_emission_by_name (notebook->m_widget,
- "switch_page");
- }
- else // change allowed
- {
- // make wxNotebook::GetSelection() return the correct (i.e. consistent
- // with wxNotebookEvent::GetSelection()) value even though the page is
- // not really changed in GTK+
- notebook->m_selection = page;
-
- wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
- notebook->GetId(), page, old );
- eventChanged.SetEventObject( notebook );
- notebook->GetEventHandler()->ProcessEvent( eventChanged );
- }
-
- notebook->m_inSwitchPage = FALSE;
-}