X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_win.c;h=f06c58083d9b92b5a2c3236eaaf1995a1f4743d8;hp=5fe760c8a4da40066e2297db3ffd5abde8c46842;hb=54d0d62f0eb759e3c623a215d98ddebccca64488;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01 diff --git a/menu/m_win.c b/menu/m_win.c index 5fe760c8..f06c5808 100644 --- a/menu/m_win.c +++ b/menu/m_win.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * Copyright 2020 Thomas E. Dickey * + * Copyright 1998-2009,2010 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -28,7 +29,6 @@ /**************************************************************************** * Author: Juergen Pfeifer, 1995,1997 * - * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en * ****************************************************************************/ /*************************************************************************** @@ -38,7 +38,7 @@ #include "menu.priv.h" -MODULE_ID("$Id: m_win.c,v 1.11 2002/07/06 15:22:16 juergen Exp $") +MODULE_ID("$Id: m_win.c,v 1.18 2020/02/02 23:34:34 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu @@ -50,34 +50,52 @@ MODULE_ID("$Id: m_win.c,v 1.11 2002/07/06 15:22:16 juergen Exp $") | E_POSTED - menu is already posted +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) -set_menu_win (MENU *menu, WINDOW *win) +set_menu_win(MENU * menu, WINDOW *win) { + T((T_CALLED("set_menu_win(%p,%p)"), (void *)menu, (void *)win)); + if (menu) { - if ( menu->status & _POSTED ) + if (menu->status & _POSTED) RETURN(E_POSTED); - menu->userwin = win; - _nc_Calculate_Item_Length_and_Width(menu); + else +#if NCURSES_SP_FUNCS + { + /* We ensure that userwin is never null. So even if a null + WINDOW parameter is passed, we store the SCREENS stdscr. + The only MENU that can have a null userwin is the static + _nc_default_Menu. + */ + SCREEN *sp = _nc_screen_of(menu->userwin); + + menu->userwin = win ? win : sp->_stdscr; + _nc_Calculate_Item_Length_and_Width(menu); + } +#else + menu->userwin = win; +#endif } else _nc_Default_Menu.userwin = win; - + RETURN(E_OK); } /*--------------------------------------------------------------------------- | Facility : libnmenu -| Function : WINDOW *menu_win(const MENU *) +| Function : WINDOW* menu_win(const MENU*) | | Description : Returns pointer to the window of the menu | | Return Values : NULL on error, otherwise pointer to window +--------------------------------------------------------------------------*/ NCURSES_EXPORT(WINDOW *) -menu_win (const MENU *menu) +menu_win(const MENU * menu) { - const MENU* m = Normalize_Menu(menu); - return (m->userwin ? m->userwin : stdscr); + const MENU *m = Normalize_Menu(menu); + + T((T_CALLED("menu_win(%p)"), (const void *)menu)); + returnWin(Get_Menu_UserWin(m)); } /* m_win.c ends here */