diff options
Diffstat (limited to 'contrib/ncurses/menu/m_item_vis.c')
| -rw-r--r-- | contrib/ncurses/menu/m_item_vis.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/ncurses/menu/m_item_vis.c b/contrib/ncurses/menu/m_item_vis.c new file mode 100644 index 0000000..dab5ecb --- /dev/null +++ b/contrib/ncurses/menu/m_item_vis.c @@ -0,0 +1,66 @@ +/**************************************************************************** + * Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 * + ****************************************************************************/ + +/*************************************************************************** +* Module m_item_vis * +* Tell if menu item is visible * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id: m_item_vis.c,v 1.10 1999/05/16 17:26:34 juergen Exp $") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : bool item_visible(const ITEM *item) +| +| Description : A item is visible if it currently appears in the +| subwindow of a posted menu. +| +| Return Values : TRUE if visible +| FALSE if invisible ++--------------------------------------------------------------------------*/ +bool item_visible(const ITEM * item) +{ + MENU *menu; + + if ( item && + (menu=item->imenu) && + (menu->status & _POSTED) && + ( (menu->toprow + menu->arows) > (item->y) ) && + ( item->y >= menu->toprow) ) + return TRUE; + else + return FALSE; +} + +/* m_item_vis.c ends here */ |
