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Diffstat (limited to 'ncurses-5.3/menu/m_attribs.c')
| -rw-r--r-- | ncurses-5.3/menu/m_attribs.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_attribs.c b/ncurses-5.3/menu/m_attribs.c new file mode 100644 index 0000000..8102841 --- /dev/null +++ b/ncurses-5.3/menu/m_attribs.c @@ -0,0 +1,142 @@ +/**************************************************************************** + * Copyright (c) 1998,2000 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, 1995,1997 * + * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en * + ****************************************************************************/ + +/*************************************************************************** +* Module m_attribs * +* Control menus display attributes * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/* 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 ) \ +NCURSES_IMPEXP int NCURSES_API 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 ) \ +NCURSES_IMPEXP chtype NCURSES_API 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 */ |