1/**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2010,2012 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30/**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34/*************************************************************************** 35* Module m_attribs * 36* Control menus display attributes * 37***************************************************************************/ 38 39#include "menu.priv.h" 40 41MODULE_ID("$Id: m_attribs.c,v 1.18 2020/02/02 23:34:34 tom Exp $") 42 43/* Macro to redraw menu if it is posted and changed */ 44#define Refresh_Menu(menu) \ 45 if ( (menu) && ((menu)->status & _POSTED) )\ 46 {\ 47 _nc_Draw_Menu( menu );\ 48 _nc_Show_Menu( menu );\ 49 } 50 51/* "Template" macro to generate a function to set a menus attribute */ 52#define GEN_MENU_ATTR_SET_FCT( name ) \ 53NCURSES_IMPEXP int NCURSES_API set_menu_ ## name (MENU* menu, chtype attr) \ 54{\ 55 T((T_CALLED("set_menu_" #name "(%p,%s)"), (void *) menu, _traceattr(attr))); \ 56 if (!(attr==A_NORMAL || (attr & A_ATTRIBUTES)==attr))\ 57 RETURN(E_BAD_ARGUMENT);\ 58 if (menu && ( menu -> name != attr))\ 59 {\ 60 (menu -> name) = attr;\ 61 Refresh_Menu(menu);\ 62 }\ 63 Normalize_Menu( menu ) -> name = attr;\ 64 RETURN(E_OK);\ 65} 66 67/* "Template" macro to generate a function to get a menu's attribute */ 68#define GEN_MENU_ATTR_GET_FCT( name ) \ 69NCURSES_IMPEXP chtype NCURSES_API menu_ ## name (const MENU * menu)\ 70{\ 71 T((T_CALLED("menu_" #name "(%p)"), (const void *) menu));\ 72 returnAttr(Normalize_Menu( menu ) -> name);\ 73} 74 75/*--------------------------------------------------------------------------- 76| Facility : libnmenu 77| Function : int set_menu_fore(MENU *menu, chtype attr) 78| 79| Description : Set the attribute for selectable items. In single- 80| valued menus this is used to highlight the current 81| item ((i.e. where the cursor is), in multi-valued 82| menus this is used to highlight the selected items. 83| 84| Return Values : E_OK - success 85| E_BAD_ARGUMENT - an invalid value has been passed 86+--------------------------------------------------------------------------*/ 87GEN_MENU_ATTR_SET_FCT(fore) 88 89/*--------------------------------------------------------------------------- 90| Facility : libnmenu 91| Function : chtype menu_fore(const MENU* menu) 92| 93| Description : Return the attribute used for selectable items that 94| are current (single-valued menu) or selected (multi- 95| valued menu). 96| 97| Return Values : Attribute value 98+--------------------------------------------------------------------------*/ 99GEN_MENU_ATTR_GET_FCT(fore) 100 101/*--------------------------------------------------------------------------- 102| Facility : libnmenu 103| Function : int set_menu_back(MENU *menu, chtype attr) 104| 105| Description : Set the attribute for selectable but not yet selected 106| items. 107| 108| Return Values : E_OK - success 109| E_BAD_ARGUMENT - an invalid value has been passed 110+--------------------------------------------------------------------------*/ 111GEN_MENU_ATTR_SET_FCT(back) 112 113/*--------------------------------------------------------------------------- 114| Facility : libnmenu 115| Function : chtype menu_back(const MENU *menu) 116| 117| Description : Return the attribute used for selectable but not yet 118| selected items. 119| 120| Return Values : Attribute value 121+--------------------------------------------------------------------------*/ 122GEN_MENU_ATTR_GET_FCT(back) 123 124/*--------------------------------------------------------------------------- 125| Facility : libnmenu 126| Function : int set_menu_grey(MENU *menu, chtype attr) 127| 128| Description : Set the attribute for unselectable items. 129| 130| Return Values : E_OK - success 131| E_BAD_ARGUMENT - an invalid value has been passed 132+--------------------------------------------------------------------------*/ 133GEN_MENU_ATTR_SET_FCT(grey) 134 135/*--------------------------------------------------------------------------- 136| Facility : libnmenu 137| Function : chtype menu_grey(const MENU *menu) 138| 139| Description : Return the attribute used for non-selectable items 140| 141| Return Values : Attribute value 142+--------------------------------------------------------------------------*/ 143GEN_MENU_ATTR_GET_FCT(grey) 144 145/* m_attribs.c ends here */ 146