1 /* $OpenBSD: m_opts.c,v 1.9 2023/10/17 09:52:10 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright 2020 Thomas E. Dickey * 5 * Copyright 1998-2004,2010 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32 /**************************************************************************** 33 * Author: Juergen Pfeifer, 1995,1997 * 34 ****************************************************************************/ 35 36 /*************************************************************************** 37 * Module m_opts * 38 * Menus option routines * 39 ***************************************************************************/ 40 41 #include "menu.priv.h" 42 43 MODULE_ID("$Id: m_opts.c,v 1.9 2023/10/17 09:52:10 nicm Exp $") 44 45 /*--------------------------------------------------------------------------- 46 | Facility : libnmenu 47 | Function : int set_menu_opts(MENU *menu, Menu_Options opts) 48 | 49 | Description : Set the options for this menu. If the new settings 50 | end up in a change of the geometry of the menu, it 51 | will be recalculated. This operation is forbidden if 52 | the menu is already posted. 53 | 54 | Return Values : E_OK - success 55 | E_BAD_ARGUMENT - invalid menu options 56 | E_POSTED - menu is already posted 57 +--------------------------------------------------------------------------*/ 58 MENU_EXPORT(int) 59 set_menu_opts(MENU *menu, Menu_Options opts) 60 { 61 T((T_CALLED("set_menu_opts(%p,%d)"), (void *)menu, opts)); 62 63 opts &= ALL_MENU_OPTS; 64 65 if (opts & ~ALL_MENU_OPTS) 66 RETURN(E_BAD_ARGUMENT); 67 68 if (menu) 69 { 70 if (menu->status & _POSTED) 71 RETURN(E_POSTED); 72 73 if ((opts & O_ROWMAJOR) != (menu->opt & O_ROWMAJOR)) 74 { 75 /* we need this only if the layout really changed ... */ 76 if (menu->items && menu->items[0]) 77 { 78 menu->toprow = 0; 79 menu->curitem = menu->items[0]; 80 assert(menu->curitem); 81 set_menu_format(menu, menu->frows, menu->fcols); 82 } 83 } 84 85 menu->opt = opts; 86 87 if (opts & O_ONEVALUE) 88 { 89 ITEM **item; 90 91 if (((item = menu->items) != (ITEM **)0)) 92 for (; *item; item++) 93 (*item)->value = FALSE; 94 } 95 96 if (opts & O_SHOWDESC) /* this also changes the geometry */ 97 _nc_Calculate_Item_Length_and_Width(menu); 98 } 99 else 100 _nc_Default_Menu.opt = opts; 101 102 RETURN(E_OK); 103 } 104 105 /*--------------------------------------------------------------------------- 106 | Facility : libnmenu 107 | Function : int menu_opts_off(MENU *menu, Menu_Options opts) 108 | 109 | Description : Switch off the options for this menu. If the new settings 110 | end up in a change of the geometry of the menu, it 111 | will be recalculated. This operation is forbidden if 112 | the menu is already posted. 113 | 114 | Return Values : E_OK - success 115 | E_BAD_ARGUMENT - invalid options 116 | E_POSTED - menu is already posted 117 +--------------------------------------------------------------------------*/ 118 MENU_EXPORT(int) 119 menu_opts_off(MENU *menu, Menu_Options opts) 120 { 121 MENU *cmenu = menu; /* use a copy because set_menu_opts must detect 122 123 NULL menu itself to adjust its behavior */ 124 125 T((T_CALLED("menu_opts_off(%p,%d)"), (void *)menu, opts)); 126 127 opts &= ALL_MENU_OPTS; 128 if (opts & ~ALL_MENU_OPTS) 129 RETURN(E_BAD_ARGUMENT); 130 else 131 { 132 Normalize_Menu(cmenu); 133 opts = cmenu->opt & ~opts; 134 returnCode(set_menu_opts(menu, opts)); 135 } 136 } 137 138 /*--------------------------------------------------------------------------- 139 | Facility : libnmenu 140 | Function : int menu_opts_on(MENU *menu, Menu_Options opts) 141 | 142 | Description : Switch on the options for this menu. If the new settings 143 | end up in a change of the geometry of the menu, it 144 | will be recalculated. This operation is forbidden if 145 | the menu is already posted. 146 | 147 | Return Values : E_OK - success 148 | E_BAD_ARGUMENT - invalid menu options 149 | E_POSTED - menu is already posted 150 +--------------------------------------------------------------------------*/ 151 MENU_EXPORT(int) 152 menu_opts_on(MENU *menu, Menu_Options opts) 153 { 154 MENU *cmenu = menu; /* use a copy because set_menu_opts must detect 155 156 NULL menu itself to adjust its behavior */ 157 158 T((T_CALLED("menu_opts_on(%p,%d)"), (void *)menu, opts)); 159 160 opts &= ALL_MENU_OPTS; 161 if (opts & ~ALL_MENU_OPTS) 162 RETURN(E_BAD_ARGUMENT); 163 else 164 { 165 Normalize_Menu(cmenu); 166 opts = cmenu->opt | opts; 167 returnCode(set_menu_opts(menu, opts)); 168 } 169 } 170 171 /*--------------------------------------------------------------------------- 172 | Facility : libnmenu 173 | Function : Menu_Options menu_opts(const MENU *menu) 174 | 175 | Description : Return the options for this menu. 176 | 177 | Return Values : Menu options 178 +--------------------------------------------------------------------------*/ 179 MENU_EXPORT(Menu_Options) 180 menu_opts(const MENU *menu) 181 { 182 T((T_CALLED("menu_opts(%p)"), (const void *)menu)); 183 returnMenuOpts(ALL_MENU_OPTS & Normalize_Menu(menu)->opt); 184 } 185 186 /* m_opts.c ends here */ 187