1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2009,2010 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34 /*************************************************************************** 35 * Module m_sub * 36 * Menus subwindow association routines * 37 ***************************************************************************/ 38 39 #include "menu.priv.h" 40 41 MODULE_ID("$Id: m_sub.c,v 1.15 2020/12/12 00:38:14 tom Exp $") 42 43 /*--------------------------------------------------------------------------- 44 | Facility : libnmenu 45 | Function : int set_menu_sub(MENU *menu, WINDOW *win) 46 | 47 | Description : Sets the subwindow of the menu. 48 | 49 | Return Values : E_OK - success 50 | E_POSTED - menu is already posted 51 +--------------------------------------------------------------------------*/ 52 MENU_EXPORT(int) 53 set_menu_sub(MENU *menu, WINDOW *win) 54 { 55 T((T_CALLED("set_menu_sub(%p,%p)"), (void *)menu, (void *)win)); 56 57 if (menu) 58 { 59 if (menu->status & _POSTED) 60 RETURN(E_POSTED); 61 else 62 #if NCURSES_SP_FUNCS 63 { 64 /* We ensure that usersub is never null. So even if a null 65 WINDOW parameter is passed, we store the SCREENS stdscr. 66 The only MENU that can have a null usersub is the static 67 _nc_default_Menu. 68 */ 69 SCREEN *sp = _nc_screen_of(menu->usersub); 70 71 menu->usersub = win ? win : sp->_stdscr; 72 _nc_Calculate_Item_Length_and_Width(menu); 73 } 74 #else 75 menu->usersub = win; 76 #endif 77 } 78 else 79 _nc_Default_Menu.usersub = win; 80 81 RETURN(E_OK); 82 } 83 84 /*--------------------------------------------------------------------------- 85 | Facility : libnmenu 86 | Function : WINDOW* menu_sub(const MENU *menu) 87 | 88 | Description : Returns a pointer to the subwindow of the menu 89 | 90 | Return Values : NULL on error, otherwise a pointer to the window 91 +--------------------------------------------------------------------------*/ 92 MENU_EXPORT(WINDOW *) 93 menu_sub(const MENU *menu) 94 { 95 const MENU *m = Normalize_Menu(menu); 96 97 T((T_CALLED("menu_sub(%p)"), (const void *)menu)); 98 returnWin(Get_Menu_Window(m)); 99 } 100 101 /* m_sub.c ends here */ 102