freebsd-skq/contrib/ncurses/menu/m_pad.c
2021-02-25 19:26:56 +01:00

97 lines
4.3 KiB
C

/****************************************************************************
* Copyright 2020 Thomas E. Dickey *
* Copyright 1998-2010,2012 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 *
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* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_pad *
* Control menus padding character *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_pad.c,v 1.16 2020/12/12 00:38:14 tom Exp $")
/* 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 ); \
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_pad(MENU* menu, int pad)
|
| Description : Set the character to be used to separate the item name
| from its description. This must be a printable
| character.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - an invalid value has been passed
+--------------------------------------------------------------------------*/
MENU_EXPORT(int)
set_menu_pad(MENU *menu, int pad)
{
bool do_refresh = (menu != (MENU *)0);
T((T_CALLED("set_menu_pad(%p,%d)"), (void *)menu, pad));
if (!isprint(UChar(pad)))
RETURN(E_BAD_ARGUMENT);
Normalize_Menu(menu);
menu->pad = (unsigned char)pad;
if (do_refresh)
Refresh_Menu(menu);
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int menu_pad(const MENU *menu)
|
| Description : Return the value of the padding character
|
| Return Values : The pad character
+--------------------------------------------------------------------------*/
MENU_EXPORT(int)
menu_pad(const MENU *menu)
{
T((T_CALLED("menu_pad(%p)"), (const void *)menu));
returnCode(Normalize_Menu(menu)->pad);
}
/* m_pad.c ends here */