1 /**************************************************************************** 2 * Copyright (c) 1998-2004,2010 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Juergen Pfeifer, 1995,1997 * 31 ****************************************************************************/ 32 33 /*************************************************************************** 34 * Module m_sub * 35 * Menus subwindow association routines * 36 ***************************************************************************/ 37 38 #include "menu.priv.h" 39 40 MODULE_ID("$Id: m_sub.c,v 1.12 2010/01/23 21:20:11 tom Exp $") 41 42 /*--------------------------------------------------------------------------- 43 | Facility : libnmenu 44 | Function : int set_menu_sub(MENU *menu, WINDOW *win) 45 | 46 | Description : Sets the subwindow of the menu. 47 | 48 | Return Values : E_OK - success 49 | E_POSTED - menu is already posted 50 +--------------------------------------------------------------------------*/ 51 NCURSES_EXPORT(int) 52 set_menu_sub(MENU * menu, WINDOW *win) 53 { 54 T((T_CALLED("set_menu_sub(%p,%p)"), (void *)menu, (void *)win)); 55 56 if (menu) 57 { 58 if (menu->status & _POSTED) 59 RETURN(E_POSTED); 60 else 61 #if NCURSES_SP_FUNCS 62 { 63 /* We ensure that usersub is never null. So even if a null 64 WINDOW parameter is passed, we store the SCREENS stdscr. 65 The only MENU that can have a null usersub is the static 66 _nc_default_Menu. 67 */ 68 SCREEN *sp = _nc_screen_of(menu->usersub); 69 70 menu->usersub = win ? win : sp->_stdscr; 71 _nc_Calculate_Item_Length_and_Width(menu); 72 } 73 #else 74 menu->usersub = win; 75 #endif 76 } 77 else 78 _nc_Default_Menu.usersub = win; 79 80 RETURN(E_OK); 81 } 82 83 /*--------------------------------------------------------------------------- 84 | Facility : libnmenu 85 | Function : WINDOW* menu_sub(const MENU *menu) 86 | 87 | Description : Returns a pointer to the subwindow of the menu 88 | 89 | Return Values : NULL on error, otherwise a pointer to the window 90 +--------------------------------------------------------------------------*/ 91 NCURSES_EXPORT(WINDOW *) 92 menu_sub(const MENU * menu) 93 { 94 const MENU *m = Normalize_Menu(menu); 95 96 T((T_CALLED("menu_sub(%p)"), (const void *)menu)); 97 returnWin(Get_Menu_Window(m)); 98 } 99 100 /* m_sub.c ends here */ 101