1 /**************************************************************************** 2 * Copyright (c) 1998,2000 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 <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33 /*************************************************************************** 34 * Module m_cursor * 35 * Correctly position a menus cursor * 36 ***************************************************************************/ 37 38 #include "menu.priv.h" 39 40 MODULE_ID("$Id: m_cursor.c,v 1.14 2000/12/10 02:16:48 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 54 (const MENU* menu, const ITEM* item, int* pY, int* pX) 55 { 56 if (!menu || !pX || !pY) 57 return(E_BAD_ARGUMENT); 58 else 59 { 60 if ((ITEM*)0 == item) 61 item = menu->curitem; 62 assert(item!=(ITEM*)0); 63 64 if ( !( menu->status & _POSTED ) ) 65 return(E_NOT_POSTED); 66 67 *pX = item->x * (menu->spc_cols + menu->itemlen); 68 *pY = (item->y - menu->toprow) * menu->spc_rows; 69 } 70 return(E_OK); 71 } 72 73 /*--------------------------------------------------------------------------- 74 | Facility : libnmenu 75 | Function : pos_menu_cursor 76 | 77 | Description : Position logical cursor to current item in menu 78 | 79 | Return Values : E_OK - success 80 | E_BAD_ARGUMENT - invalid menu 81 | E_NOT_POSTED - Menu is not posted 82 +--------------------------------------------------------------------------*/ 83 NCURSES_EXPORT(int) 84 pos_menu_cursor (const MENU * menu) 85 { 86 WINDOW *win, *sub; 87 int x, y; 88 int err = _nc_menu_cursor_pos(menu,(ITEM*)0,&y,&x); 89 90 if (E_OK==err) 91 { 92 win = menu->userwin ? menu->userwin : stdscr; 93 sub = menu->usersub ? menu->usersub : win; 94 assert(win && sub); 95 96 if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) 97 x += ( menu->pindex + menu->marklen - 1); 98 99 wmove(sub,y,x); 100 101 if ( win != sub ) 102 { 103 wcursyncup(sub); 104 wsyncup(sub); 105 untouchwin(sub); 106 } 107 } 108 RETURN(err); 109 } 110 111 /* m_cursor.c ends here */ 112