ca4de2a444
curses key symbols * Fixed behaviour of the menu window handling. The library no longer creates the subwindow or window which is correct behaviour as documented in the ETI library documentation.
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/* $NetBSD: post.c,v 1.9 2002/02/04 13:02:06 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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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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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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