m_cursor.c revision 262629
1126261Smlaier/**************************************************************************** 2145836Smlaier * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * 3126258Smlaier * * 4126258Smlaier * Permission is hereby granted, free of charge, to any person obtaining a * 5126258Smlaier * copy of this software and associated documentation files (the * 6126258Smlaier * "Software"), to deal in the Software without restriction, including * 7126258Smlaier * without limitation the rights to use, copy, modify, merge, publish, * 8126258Smlaier * distribute, distribute with modifications, sublicense, and/or sell * 9126258Smlaier * copies of the Software, and to permit persons to whom the Software is * 10126258Smlaier * furnished to do so, subject to the following conditions: * 11126258Smlaier * * 12126258Smlaier * The above copyright notice and this permission notice shall be included * 13126258Smlaier * in all copies or substantial portions of the Software. * 14126258Smlaier * * 15126258Smlaier * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16126258Smlaier * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17126258Smlaier * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18126258Smlaier * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19126258Smlaier * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20126258Smlaier * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21126258Smlaier * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22126258Smlaier * * 23126258Smlaier * Except as contained in this notice, the name(s) of the above copyright * 24126258Smlaier * holders shall not be used in advertising or otherwise to promote the * 25126258Smlaier * sale, use or other dealings in this Software without prior written * 26126258Smlaier * authorization. * 27126258Smlaier ****************************************************************************/ 28126258Smlaier 29126258Smlaier/**************************************************************************** 30126258Smlaier * Author: Juergen Pfeifer, 1995,1997 * 31126258Smlaier ****************************************************************************/ 32126258Smlaier 33126258Smlaier/*************************************************************************** 34126258Smlaier* Module m_cursor * 35126258Smlaier* Correctly position a menu's cursor * 36126258Smlaier***************************************************************************/ 37145836Smlaier 38126258Smlaier#include "menu.priv.h" 39126258Smlaier 40126258SmlaierMODULE_ID("$Id: m_cursor.c,v 1.22 2010/01/23 21:20:10 tom Exp $") 41126258Smlaier 42126258Smlaier/*--------------------------------------------------------------------------- 43145836Smlaier| Facility : libnmenu 44127145Smlaier| Function : _nc_menu_cursor_pos 45130933Sbrooks| 46126261Smlaier| Description : Return position of logical cursor to current item 47126261Smlaier| 48126258Smlaier| Return Values : E_OK - success 49126261Smlaier| E_BAD_ARGUMENT - invalid menu 50126261Smlaier| E_NOT_POSTED - Menu is not posted 51127145Smlaier+--------------------------------------------------------------------------*/ 52126261SmlaierNCURSES_EXPORT(int) 53126261Smlaier_nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX) 54126261Smlaier{ 55126258Smlaier if (!menu || !pX || !pY) 56126258Smlaier return (E_BAD_ARGUMENT); 57126258Smlaier else 58135920Smlaier { 59135920Smlaier if ((ITEM *) 0 == item) 60135920Smlaier item = menu->curitem; 61126258Smlaier assert(item != (ITEM *) 0); 62126258Smlaier 63126258Smlaier if (!(menu->status & _POSTED)) 64126258Smlaier return (E_NOT_POSTED); 65126258Smlaier 66130613Smlaier *pX = item->x * (menu->spc_cols + menu->itemlen); 67145836Smlaier *pY = (item->y - menu->toprow) * menu->spc_rows; 68126258Smlaier } 69126258Smlaier return (E_OK); 70126258Smlaier} 71126258Smlaier 72126258Smlaier/*--------------------------------------------------------------------------- 73126258Smlaier| Facility : libnmenu 74126258Smlaier| Function : pos_menu_cursor 75126258Smlaier| 76126258Smlaier| Description : Position logical cursor to current item in menu 77126258Smlaier| 78126258Smlaier| Return Values : E_OK - success 79126258Smlaier| E_BAD_ARGUMENT - invalid menu 80126258Smlaier| E_NOT_POSTED - Menu is not posted 81126258Smlaier+--------------------------------------------------------------------------*/ 82126258SmlaierNCURSES_EXPORT(int) 83126258Smlaierpos_menu_cursor(const MENU * menu) 84126258Smlaier{ 85126258Smlaier WINDOW *win, *sub; 86126258Smlaier int x = 0, y = 0; 87130613Smlaier int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); 88145836Smlaier 89145836Smlaier T((T_CALLED("pos_menu_cursor(%p)"), (const void *)menu)); 90145836Smlaier 91145836Smlaier if (E_OK == err) 92145836Smlaier { 93145836Smlaier win = Get_Menu_UserWin(menu); 94145836Smlaier sub = menu->usersub ? menu->usersub : win; 95145836Smlaier assert(win && sub); 96145836Smlaier 97145836Smlaier if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) 98145836Smlaier x += (menu->pindex + menu->marklen - 1); 99145836Smlaier 100145836Smlaier wmove(sub, y, x); 101145836Smlaier 102145836Smlaier if (win != sub) 103145836Smlaier { 104145836Smlaier wcursyncup(sub); 105145836Smlaier wsyncup(sub); 106145836Smlaier untouchwin(sub); 107145836Smlaier } 108145836Smlaier } 109145836Smlaier RETURN(err); 110126258Smlaier} 111130613Smlaier 112126258Smlaier/* m_cursor.c ends here */ 113126258Smlaier