diff options
Diffstat (limited to 'ncurses-5.3/menu/m_cursor.c')
| -rw-r--r-- | ncurses-5.3/menu/m_cursor.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_cursor.c b/ncurses-5.3/menu/m_cursor.c new file mode 100644 index 0000000..25230b8 --- /dev/null +++ b/ncurses-5.3/menu/m_cursor.c @@ -0,0 +1,112 @@ +/**************************************************************************** + * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1995,1997 * + * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en * + ****************************************************************************/ + +/*************************************************************************** +* Module m_cursor * +* Correctly position a menus cursor * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : _nc_menu_cursor_pos +| +| Description : Return position of logical cursor to current item +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid menu +| E_NOT_POSTED - Menu is not posted ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +_nc_menu_cursor_pos +(const MENU* menu, const ITEM* item, int* pY, int* pX) +{ + if (!menu || !pX || !pY) + return(E_BAD_ARGUMENT); + else + { + if ((ITEM*)0 == item) + item = menu->curitem; + assert(item!=(ITEM*)0); + + if ( !( menu->status & _POSTED ) ) + return(E_NOT_POSTED); + + *pX = item->x * (menu->spc_cols + menu->itemlen); + *pY = (item->y - menu->toprow) * menu->spc_rows; + } + return(E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : pos_menu_cursor +| +| Description : Position logical cursor to current item in menu +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid menu +| E_NOT_POSTED - Menu is not posted ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +pos_menu_cursor (const MENU * menu) +{ + WINDOW *win, *sub; + int x, y; + int err = _nc_menu_cursor_pos(menu,(ITEM*)0,&y,&x); + + if (E_OK==err) + { + win = menu->userwin ? menu->userwin : stdscr; + sub = menu->usersub ? menu->usersub : win; + assert(win && sub); + + if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) + x += ( menu->pindex + menu->marklen - 1); + + wmove(sub,y,x); + + if ( win != sub ) + { + wcursyncup(sub); + wsyncup(sub); + untouchwin(sub); + } + } + RETURN(err); +} + +/* m_cursor.c ends here */ |