1 /* $OpenBSD: m_cursor.c,v 1.8 2010/01/12 23:22:07 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer, 1995,1997 * 33 ****************************************************************************/ 34 35 /*************************************************************************** 36 * Module m_cursor * 37 * Correctly position a menu's cursor * 38 ***************************************************************************/ 39 40 #include "menu.priv.h" 41 42 MODULE_ID("$Id: m_cursor.c,v 1.8 2010/01/12 23:22:07 nicm Exp $") 43 44 /*--------------------------------------------------------------------------- 45 | Facility : libnmenu 46 | Function : _nc_menu_cursor_pos 47 | 48 | Description : Return position of logical cursor to current item 49 | 50 | Return Values : E_OK - success 51 | E_BAD_ARGUMENT - invalid menu 52 | E_NOT_POSTED - Menu is not posted 53 +--------------------------------------------------------------------------*/ 54 NCURSES_EXPORT(int) 55 _nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX) 56 { 57 if (!menu || !pX || !pY) 58 return (E_BAD_ARGUMENT); 59 else 60 { 61 if ((ITEM *) 0 == item) 62 item = menu->curitem; 63 assert(item != (ITEM *) 0); 64 65 if (!(menu->status & _POSTED)) 66 return (E_NOT_POSTED); 67 68 *pX = item->x * (menu->spc_cols + menu->itemlen); 69 *pY = (item->y - menu->toprow) * menu->spc_rows; 70 } 71 return (E_OK); 72 } 73 74 /*--------------------------------------------------------------------------- 75 | Facility : libnmenu 76 | Function : pos_menu_cursor 77 | 78 | Description : Position logical cursor to current item in menu 79 | 80 | Return Values : E_OK - success 81 | E_BAD_ARGUMENT - invalid menu 82 | E_NOT_POSTED - Menu is not posted 83 +--------------------------------------------------------------------------*/ 84 NCURSES_EXPORT(int) 85 pos_menu_cursor(const MENU * menu) 86 { 87 WINDOW *win, *sub; 88 int x = 0, y = 0; 89 int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); 90 91 T((T_CALLED("pos_menu_cursor(%p)"), menu)); 92 93 if (E_OK == err) 94 { 95 win = menu->userwin ? menu->userwin : stdscr; 96 sub = menu->usersub ? menu->usersub : win; 97 assert(win && sub); 98 99 if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) 100 x += (menu->pindex + menu->marklen - 1); 101 102 wmove(sub, y, x); 103 104 if (win != sub) 105 { 106 wcursyncup(sub); 107 wsyncup(sub); 108 untouchwin(sub); 109 } 110 } 111 RETURN(err); 112 } 113 114 /* m_cursor.c ends here */ 115