X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_win.c;h=72f72ad0cc907abbca1857969fcca24166a8f896;hp=2cc5c236ee49d2fde859f291fc28f1d1d0d19545;hb=fae162795e065e5901068152e91f2962b6b247f3;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c diff --git a/menu/m_win.c b/menu/m_win.c index 2cc5c236..72f72ad0 100644 --- a/menu/m_win.c +++ b/menu/m_win.c @@ -1,33 +1,44 @@ -/*-----------------------------------------------------------------------------+ -| The ncurses menu library is Copyright (C) 1995-1997 | -| by Juergen Pfeifer | -| All Rights Reserved. | -| | -| Permission to use, copy, modify, and distribute this software and its | -| documentation for any purpose and without fee is hereby granted, provided | -| that the above copyright notice appear in all copies and that both that | -| copyright notice and this permission notice appear in supporting | -| documentation, and that the name of the above listed copyright holder(s) not | -| be used in advertising or publicity pertaining to distribution of the | -| software without specific, written prior permission. | -| | -| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO | -| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- | -| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR | -| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- | -| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, | -| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH | -| THE USE OR PERFORMANCE OF THIS SOFTWARE. | -+-----------------------------------------------------------------------------*/ +/**************************************************************************** + * 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1995,1997 * + ****************************************************************************/ /*************************************************************************** -* Module menu_win * -* Menus window and subwindow association routines * +* Module m_win * +* Menus window association routines * ***************************************************************************/ #include "menu.priv.h" -MODULE_ID("$Id: m_win.c,v 1.5 1997/05/01 16:47:26 juergen Exp $") +MODULE_ID("$Id: m_win.c,v 1.20 2020/12/12 00:38:14 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu @@ -38,99 +49,53 @@ MODULE_ID("$Id: m_win.c,v 1.5 1997/05/01 16:47:26 juergen Exp $") | Return Values : E_OK - success | E_POSTED - menu is already posted +--------------------------------------------------------------------------*/ -int set_menu_win(MENU *menu, WINDOW *win) +MENU_EXPORT(int) +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 +--------------------------------------------------------------------------*/ -WINDOW *menu_win(const MENU *menu) -{ - const MENU* m = Normalize_Menu(menu); - return (m->userwin ? m->userwin : stdscr); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int set_menu_sub(MENU *menu, WINDOW *win) -| -| Description : Sets the subwindow of the menu. -| -| Return Values : E_OK - success -| E_POSTED - menu is already posted -+--------------------------------------------------------------------------*/ -int set_menu_sub(MENU *menu, WINDOW *win) -{ - if (menu) - { - if ( menu->status & _POSTED ) - RETURN(E_POSTED); - menu->usersub = win; - _nc_Calculate_Item_Length_and_Width(menu); - } - else - _nc_Default_Menu.usersub = win; - - RETURN(E_OK); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : WINDOW *menu_sub(const MENU *menu) -| -| Description : Returns a pointer to the subwindow of the menu -| -| Return Values : NULL on error, otherwise a pointer to the window -+--------------------------------------------------------------------------*/ -WINDOW *menu_sub(const MENU * menu) +MENU_EXPORT(WINDOW *) +menu_win(const MENU *menu) { - const MENU* m = Normalize_Menu(menu); - return Get_Menu_Window(m); -} + const MENU *m = Normalize_Menu(menu); -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int scale_menu(const MENU *menu) -| -| Description : Returns the minimum window size necessary for the -| subwindow of menu. -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - invalid menu pointer -| E_NOT_CONNECTED - no items are connected to menu -+--------------------------------------------------------------------------*/ -int scale_menu(const MENU *menu, int *rows, int *cols) -{ - if (!menu) - RETURN( E_BAD_ARGUMENT ); - - if (menu->items && *(menu->items)) - { - if (rows) - *rows = menu->height; - if (cols) - *cols = menu->width; - RETURN(E_OK); - } - else - RETURN( E_NOT_CONNECTED ); + T((T_CALLED("menu_win(%p)"), (const void *)menu)); + returnWin(Get_Menu_UserWin(m)); } /* m_win.c ends here */