m_attribs.c revision 76726
1/**************************************************************************** 2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33/*************************************************************************** 34* Module m_attribs * 35* Control menus display attributes * 36***************************************************************************/ 37 38#include "menu.priv.h" 39 40MODULE_ID("$Id: m_attribs.c,v 1.9 2000/12/10 02:16:48 tom Exp $") 41 42/* Macro to redraw menu if it is posted and changed */ 43#define Refresh_Menu(menu) \ 44 if ( (menu) && ((menu)->status & _POSTED) )\ 45 {\ 46 _nc_Draw_Menu( menu );\ 47 _nc_Show_Menu( menu );\ 48 } 49 50/* "Template" macro to generate a function to set a menus attribute */ 51#define GEN_MENU_ATTR_SET_FCT( name ) \ 52NCURSES_IMPEXP int NCURSES_API set_menu_ ## name (MENU * menu, chtype attr)\ 53{\ 54 if (!(attr==A_NORMAL || (attr & A_ATTRIBUTES)==attr))\ 55 RETURN(E_BAD_ARGUMENT);\ 56 if (menu && ( menu -> name != attr))\ 57 {\ 58 (menu -> name) = attr;\ 59 Refresh_Menu(menu);\ 60 }\ 61 Normalize_Menu( menu ) -> name = attr;\ 62 RETURN(E_OK);\ 63} 64 65/* "Template" macro to generate a function to get a menus attribute */ 66#define GEN_MENU_ATTR_GET_FCT( name ) \ 67NCURSES_IMPEXP chtype NCURSES_API menu_ ## name (const MENU * menu)\ 68{\ 69 return (Normalize_Menu( menu ) -> name);\ 70} 71 72/*--------------------------------------------------------------------------- 73| Facility : libnmenu 74| Function : int set_menu_fore(MENU *menu, chtype attr) 75| 76| Description : Set the attribute for selectable items. In single- 77| valued menus thiis is used to highlight the current 78| item ((i.e. where the cursor is), in multi-valued 79| menus this is used to highlight the selected items. 80| 81| Return Values : E_OK - success 82| E_BAD_ARGUMENT - an invalid value has been passed 83+--------------------------------------------------------------------------*/ 84GEN_MENU_ATTR_SET_FCT( fore ) 85 86/*--------------------------------------------------------------------------- 87| Facility : libnmenu 88| Function : chtype menu_fore(const MENU* menu) 89| 90| Description : Return the attribute used for selectable items that 91| are current (single-valued menu) or selected (multi- 92| valued menu). 93| 94| Return Values : Attribute value 95+--------------------------------------------------------------------------*/ 96GEN_MENU_ATTR_GET_FCT( fore ) 97 98/*--------------------------------------------------------------------------- 99| Facility : libnmenu 100| Function : int set_menu_back(MENU *menu, chtype attr) 101| 102| Description : Set the attribute for selectable but not yet selected 103| items. 104| 105| Return Values : E_OK - success 106| E_BAD_ARGUMENT - an invalid value has been passed 107+--------------------------------------------------------------------------*/ 108GEN_MENU_ATTR_SET_FCT( back ) 109 110/*--------------------------------------------------------------------------- 111| Facility : libnmenu 112| Function : chtype menu_back(const MENU *menu) 113| 114| Description : Return the attribute used for selectable but not yet 115| selected items. 116| 117| Return Values : Attribute value 118+--------------------------------------------------------------------------*/ 119GEN_MENU_ATTR_GET_FCT( back ) 120 121/*--------------------------------------------------------------------------- 122| Facility : libnmenu 123| Function : int set_menu_grey(MENU *menu, chtype attr) 124| 125| Description : Set the attribute for unselectable items. 126| 127| Return Values : E_OK - success 128| E_BAD_ARGUMENT - an invalid value has been passed 129+--------------------------------------------------------------------------*/ 130GEN_MENU_ATTR_SET_FCT( grey ) 131 132/*--------------------------------------------------------------------------- 133| Facility : libnmenu 134| Function : chtype menu_grey(const MENU *menu) 135| 136| Description : Return the attribute used for non-selectable items 137| 138| Return Values : Attribute value 139+--------------------------------------------------------------------------*/ 140GEN_MENU_ATTR_GET_FCT( grey ) 141/* m_attribs.c ends here */ 142