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|
/* $OpenBSD: m_attribs.c,v 1.3 1997/12/03 05:31:16 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses menu library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
/***************************************************************************
* Module m_attribs *
* Control menus display attributes *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("Id: m_attribs.c,v 1.5 1997/10/21 08:44:31 juergen Exp $")
/* Macro to redraw menu if it is posted and changed */
#define Refresh_Menu(menu) \
if ( (menu) && ((menu)->status & _POSTED) )\
{\
_nc_Draw_Menu( menu );\
_nc_Show_Menu( menu );\
}
/* "Template" macro to generate a function to set a menus attribute */
#define GEN_MENU_ATTR_SET_FCT( name ) \
int set_menu_ ## name (MENU * menu, chtype attr)\
{\
if (!(attr==A_NORMAL || (attr & A_ATTRIBUTES)==attr))\
RETURN(E_BAD_ARGUMENT);\
if (menu && ( menu -> name != attr))\
{\
(menu -> name) = attr;\
Refresh_Menu(menu);\
}\
Normalize_Menu( menu ) -> name = attr;\
RETURN(E_OK);\
}
/* "Template" macro to generate a function to get a menus attribute */
#define GEN_MENU_ATTR_GET_FCT( name ) \
chtype menu_ ## name (const MENU * menu)\
{\
return (Normalize_Menu( menu ) -> name);\
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_fore(MENU *menu, chtype attr)
|
| Description : Set the attribute for selectable items. In single-
| valued menus thiis is used to highlight the current
| item ((i.e. where the cursor is), in multi-valued
| menus this is used to highlight the selected items.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - an invalid value has been passed
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_SET_FCT( fore )
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : chtype menu_fore(const MENU* menu)
|
| Description : Return the attribute used for selectable items that
| are current (single-valued menu) or selected (multi-
| valued menu).
|
| Return Values : Attribute value
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_GET_FCT( fore )
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_back(MENU *menu, chtype attr)
|
| Description : Set the attribute for selectable but not yet selected
| items.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - an invalid value has been passed
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_SET_FCT( back )
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : chtype menu_back(const MENU *menu)
|
| Description : Return the attribute used for selectable but not yet
| selected items.
|
| Return Values : Attribute value
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_GET_FCT( back )
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_grey(MENU *menu, chtype attr)
|
| Description : Set the attribute for unselectable items.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - an invalid value has been passed
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_SET_FCT( grey )
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : chtype menu_grey(const MENU *menu)
|
| Description : Return the attribute used for non-selectable items
|
| Return Values : Attribute value
+--------------------------------------------------------------------------*/
GEN_MENU_ATTR_GET_FCT( grey )
/* m_attribs.c ends here */
|
