| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 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 */ |