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/* $NetBSD: post.c,v 1.12 2003/04/19 12:52:39 blymn Exp $ */
/*-
* Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: post.c,v 1.12 2003/04/19 12:52:39 blymn Exp $");
#include <menu.h>
#include <stdlib.h>
#include "internals.h"
/*
* Post the menu to the screen. Call any defined init routines and then
* draw the menu on the screen.
*/
int
post_menu(MENU *menu)
{
int maxx, maxy, i;
if (menu == NULL)
return E_BAD_ARGUMENT;
if (menu->posted == 1)
return E_POSTED;
if (menu->in_init == 1)
return E_BAD_STATE;
if (menu->items == NULL)
return E_NOT_CONNECTED;
if (*menu->items == NULL)
return E_NOT_CONNECTED;
menu->in_init = 1;
if (menu->menu_init != NULL)
menu->menu_init(menu);
if (menu->item_init != NULL)
menu->item_init(menu);
menu->in_init = 0;
getmaxyx(menu->scrwin, maxy, maxx);
if ((maxx == ERR) || (maxy == ERR)) return E_SYSTEM_ERROR;
if ((menu->cols * menu->max_item_width + menu->cols - 1) > maxx)
return E_NO_ROOM;
if ((menu->opts & O_RADIO) != O_RADIO) {
for (i = 0; i < menu->item_count; i++) {
menu->items[i]->selected = 0;
}
}
menu->posted = 1;
return _menui_draw_menu(menu);
}
/*
* Unpost the menu. Call any defined termination routines and remove the
* menu from the screen.
*/
int
unpost_menu(MENU *menu)
{
if (menu == NULL)
return E_BAD_ARGUMENT;
if (menu->posted != 1)
return E_NOT_POSTED;
if (menu->in_init == 1)
return E_BAD_STATE;
if (menu->item_term != NULL)
menu->item_term(menu);
if (menu->menu_term != NULL)
menu->menu_term(menu);
menu->posted = 0;
werase(menu->scrwin);
wrefresh(menu->scrwin);
return E_OK;
}
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