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/* $OpenBSD: m_attribs.c,v 1.5 1999/05/17 03:04:18 millert Exp $ */
/****************************************************************************
* 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_attribs *
* Control menus display attributes *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$From: m_attribs.c,v 1.8 1999/05/16 17:24:24 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 */
|
