1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2004,2010 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_scale * 36 * Menu scaling routine * 37 ***************************************************************************/ 38 39 #include "menu.priv.h" 40 41 MODULE_ID("$Id: m_scale.c,v 1.11 2020/02/02 23:34:34 tom Exp $") 42 43 /*--------------------------------------------------------------------------- 44 | Facility : libnmenu 45 | Function : int scale_menu(const MENU *menu) 46 | 47 | Description : Returns the minimum window size necessary for the 48 | subwindow of menu. 49 | 50 | Return Values : E_OK - success 51 | E_BAD_ARGUMENT - invalid menu pointer 52 | E_NOT_CONNECTED - no items are connected to menu 53 +--------------------------------------------------------------------------*/ 54 NCURSES_EXPORT(int) 55 scale_menu(const MENU * menu, int *rows, int *cols) 56 { 57 T((T_CALLED("scale_menu(%p,%p,%p)"), 58 (const void *)menu, 59 (void *)rows, 60 (void *)cols)); 61 62 if (!menu) 63 RETURN(E_BAD_ARGUMENT); 64 65 if (menu->items && *(menu->items)) 66 { 67 if (rows) 68 *rows = menu->height; 69 if (cols) 70 *cols = menu->width; 71 RETURN(E_OK); 72 } 73 else 74 RETURN(E_NOT_CONNECTED); 75 } 76 77 /* m_scale.c ends here */ 78