1 /**************************************************************************** 2 * Copyright (c) 1998-2004,2005 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_cursor * 35 * Correctly position a menu's cursor * 36 ***************************************************************************/ 37 38 #include "menu.priv.h" 39 40 MODULE_ID("$Id: m_cursor.c,v 1.20 2005/10/22 23:03:32 tom Exp $") 41 42 /*--------------------------------------------------------------------------- 43 | Facility : libnmenu 44 | Function : _nc_menu_cursor_pos 45 | 46 | Description : Return position of logical cursor to current item 47 | 48 | Return Values : E_OK - success 49 | E_BAD_ARGUMENT - invalid menu 50 | E_NOT_POSTED - Menu is not posted 51 +--------------------------------------------------------------------------*/ 52 NCURSES_EXPORT(int) 53 _nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX) 54 { 55 if (!menu || !pX || !pY) 56 return (E_BAD_ARGUMENT); 57 else 58 { 59 if ((ITEM *) 0 == item) 60 item = menu->curitem; 61 assert(item != (ITEM *) 0); 62 63 if (!(menu->status & _POSTED)) 64 return (E_NOT_POSTED); 65 66 *pX = item->x * (menu->spc_cols + menu->itemlen); 67 *pY = (item->y - menu->toprow) * menu->spc_rows; 68 } 69 return (E_OK); 70 } 71 72 /*--------------------------------------------------------------------------- 73 | Facility : libnmenu 74 | Function : pos_menu_cursor 75 | 76 | Description : Position logical cursor to current item in menu 77 | 78 | Return Values : E_OK - success 79 | E_BAD_ARGUMENT - invalid menu 80 | E_NOT_POSTED - Menu is not posted 81 +--------------------------------------------------------------------------*/ 82 NCURSES_EXPORT(int) 83 pos_menu_cursor(const MENU * menu) 84 { 85 WINDOW *win, *sub; 86 int x = 0, y = 0; 87 int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); 88 89 T((T_CALLED("pos_menu_cursor(%p)"), menu)); 90 91 if (E_OK == err) 92 { 93 win = menu->userwin ? menu->userwin : stdscr; 94 sub = menu->usersub ? menu->usersub : win; 95 assert(win && sub); 96 97 if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) 98 x += (menu->pindex + menu->marklen - 1); 99 100 wmove(sub, y, x); 101 102 if (win != sub) 103 { 104 wcursyncup(sub); 105 wsyncup(sub); 106 untouchwin(sub); 107 } 108 } 109 RETURN(err); 110 } 111 112 /* m_cursor.c ends here */ 113