diff options
Diffstat (limited to 'ncurses-5.9/menu/m_cursor.c')
| -rw-r--r-- | ncurses-5.9/menu/m_cursor.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/ncurses-5.9/menu/m_cursor.c b/ncurses-5.9/menu/m_cursor.c new file mode 100644 index 0000000..2670d47 --- /dev/null +++ b/ncurses-5.9/menu/m_cursor.c @@ -0,0 +1,112 @@ +/**************************************************************************** + * Copyright (c) 1998-2009,2010 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 * + ****************************************************************************/ + +/*************************************************************************** +* Module m_cursor * +* Correctly position a menu's 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 = 0, y = 0; + int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); + + T((T_CALLED("pos_menu_cursor(%p)"), (const void *)menu)); + + if (E_OK == err) + { + win = Get_Menu_UserWin(menu); + 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 */ |