142 lines
6.5 KiB
C
142 lines
6.5 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module m_attribs *
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* Control menus display attributes *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_attribs.c,v 1.9 2000/12/10 02:16:48 tom Exp $")
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/* Macro to redraw menu if it is posted and changed */
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#define Refresh_Menu(menu) \
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if ( (menu) && ((menu)->status & _POSTED) )\
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{\
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_nc_Draw_Menu( menu );\
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_nc_Show_Menu( menu );\
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}
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/* "Template" macro to generate a function to set a menus attribute */
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#define GEN_MENU_ATTR_SET_FCT( name ) \
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NCURSES_IMPEXP int NCURSES_API set_menu_ ## name (MENU * menu, chtype attr)\
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{\
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if (!(attr==A_NORMAL || (attr & A_ATTRIBUTES)==attr))\
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RETURN(E_BAD_ARGUMENT);\
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if (menu && ( menu -> name != attr))\
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{\
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(menu -> name) = attr;\
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Refresh_Menu(menu);\
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}\
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Normalize_Menu( menu ) -> name = attr;\
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RETURN(E_OK);\
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}
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/* "Template" macro to generate a function to get a menus attribute */
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#define GEN_MENU_ATTR_GET_FCT( name ) \
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NCURSES_IMPEXP chtype NCURSES_API menu_ ## name (const MENU * menu)\
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{\
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return (Normalize_Menu( menu ) -> name);\
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_fore(MENU *menu, chtype attr)
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| Description : Set the attribute for selectable items. In single-
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| valued menus thiis is used to highlight the current
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| item ((i.e. where the cursor is), in multi-valued
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| menus this is used to highlight the selected items.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - an invalid value has been passed
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_SET_FCT( fore )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : chtype menu_fore(const MENU* menu)
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| Description : Return the attribute used for selectable items that
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| are current (single-valued menu) or selected (multi-
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| valued menu).
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| Return Values : Attribute value
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_GET_FCT( fore )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_back(MENU *menu, chtype attr)
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| Description : Set the attribute for selectable but not yet selected
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| items.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - an invalid value has been passed
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_SET_FCT( back )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : chtype menu_back(const MENU *menu)
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| Description : Return the attribute used for selectable but not yet
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| selected items.
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| Return Values : Attribute value
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_GET_FCT( back )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_grey(MENU *menu, chtype attr)
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| Description : Set the attribute for unselectable items.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - an invalid value has been passed
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_SET_FCT( grey )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : chtype menu_grey(const MENU *menu)
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| Description : Return the attribute used for non-selectable items
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| Return Values : Attribute value
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+--------------------------------------------------------------------------*/
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GEN_MENU_ATTR_GET_FCT( grey )
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/* m_attribs.c ends here */
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