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6562be49a5
robust. The new "fire" actions, while affording signficantly more interactivity to libdialog, come at a cost - if the fire action trashes the screen then you're not going to be in Kansas anymore when you come back to the menu and there had better be considerable extra smarts in place for coping with such a situation. These changes are my attempt to do just that.
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* small test-driver for new dialog functionality
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*
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* Copyright (c) 1995, Jordan Hubbard
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*
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* All rights reserved.
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*
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* This source code may be used, modified, copied, distributed, and
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* sold, in both source and binary form provided that the above
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* copyright and these terms are retained, verbatim, as the first
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* lines of this file. Under no circumstances is the author
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* responsible for the proper functioning of the software nor does
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* the author assume any responsibility for damages incurred with
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* its use.
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*
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* $Id: check1.c,v 1.2 1996/04/07 03:20:50 jkh Exp $
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <dialog.h>
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/* Hook functions */
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static int
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getBool(dialogMenuItem *self)
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{
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if (self->data && *((int *)self->data))
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return TRUE;
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return FALSE;
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}
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static int
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setBool(dialogMenuItem *self)
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{
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if (self->data) {
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*((int *)self->data) = !*((int *)self->data);
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return DITEM_SUCCESS;
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}
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return DITEM_FAILURE;
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}
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static int german_book, italian_book, slang_book;
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static int
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clearBooks(dialogMenuItem *self)
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{
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german_book = italian_book = slang_book = FALSE;
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return DITEM_SUCCESS | DITEM_REDRAW;
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}
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/* menu2 - A more advanced way of using checked and fire hooks to manipulate the backing-variables directly */
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/* prompt title checked fire sel data */
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static dialogMenuItem menu2[] = {
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{ "German", "Buy book on learning German", getBool, setBool, NULL, &german_book},
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{ "Italian", "Buy book on learning Italian", getBool, setBool, NULL, &italian_book },
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{ "Slang", "Buy book on commonly used insults", getBool, setBool, NULL, &slang_book },
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{ "Clear", "Clear book list", NULL, clearBooks, NULL, NULL, ' ', ' ', ' ' },
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};
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/* End of hook functions */
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/* Kick it off, James! */
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int
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main(int argc, unsigned char *argv[])
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{
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int retval;
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init_dialog();
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retval = dialog_checklist("this is a dialog_checklist() in action, test #1",
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"this checklist menu shows off some of the straight-forward features\n"
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"of the new menu system's check & fire dispatch hooks", -1, -1, 4, -4, menu2, NULL);
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dialog_clear();
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fprintf(stderr, "returned value for dialog_checklist was %d (%d %d %d)\n", retval, german_book, italian_book, slang_book);
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end_dialog();
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return 0;
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}
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