09440e9036
menu selection. Thanks go to rtr(at)wasabisystems.com for doing most of the work on this.
112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
/* $NetBSD: post.c,v 1.10 2002/07/29 13:03:51 blymn Exp $ */
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/*-
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* Copyright (c) 1998-1999 Brett Lymn (blymn@baea.com.au, brett_lymn@yahoo.com.au)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*/
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#include <menu.h>
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#include <stdlib.h>
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#include "internals.h"
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/*
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* Post the menu to the screen. Call any defined init routines and then
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* draw the menu on the screen.
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*/
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int
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post_menu(MENU *menu)
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{
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int maxx, maxy, i;
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if (menu == NULL)
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return E_BAD_ARGUMENT;
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if (menu->posted == 1)
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return E_POSTED;
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if (menu->in_init == 1)
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return E_BAD_STATE;
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if (menu->items == NULL)
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return E_NOT_CONNECTED;
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if (*menu->items == NULL)
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return E_NOT_CONNECTED;
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menu->in_init = 1;
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menu->cur_item = 0; /* reset current item in case it was set before */
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menu->top_row = 0; /* and the top row too */
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if (menu->pattern != NULL) { /* and the pattern buffer....sigh */
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free(menu->pattern);
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menu->plen = 0;
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menu->match_len = 0;
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}
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if (menu->menu_init != NULL)
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menu->menu_init(menu);
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if (menu->item_init != NULL)
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menu->item_init(menu);
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menu->in_init = 0;
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getmaxyx(menu->scrwin, maxy, maxx);
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if ((maxx == ERR) || (maxy == ERR)) return E_SYSTEM_ERROR;
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if ((menu->cols * menu->max_item_width + menu->cols - 1) > maxx)
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return E_NO_ROOM;
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if ((menu->opts & O_RADIO) != O_RADIO) {
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for (i = 0; i < menu->item_count; i++) {
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menu->items[i]->selected = 0;
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}
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}
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menu->posted = 1;
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return _menui_draw_menu(menu);
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}
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/*
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* Unpost the menu. Call any defined termination routines and remove the
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* menu from the screen.
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*/
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int
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unpost_menu(MENU *menu)
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{
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if (menu == NULL)
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return E_BAD_ARGUMENT;
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if (menu->posted != 1)
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return E_NOT_POSTED;
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if (menu->in_init == 1)
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return E_BAD_STATE;
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if (menu->item_term != NULL)
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menu->item_term(menu);
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if (menu->menu_term != NULL)
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menu->menu_term(menu);
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menu->posted = 0;
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werase(menu->scrwin);
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wrefresh(menu->scrwin);
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return E_OK;
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}
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