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c50c22c798
DITEM_FAILURE - formerly they would simply act as an implicit "continue", but this is wrong. If you want this behavior, you should now return with the DITEM_CONTINUE flag set. Also make the semantics of DITEM_RESTORE quite a bit different - rather than restore the screen back to pre-menu state, we restore the menu itself. This is more correct for a variety of reasons when dealing with nested menus (whoops!).
96 lines
2.7 KiB
C
96 lines
2.7 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: menu2.c,v 1.3 1996/04/16 12:17:23 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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/* Start of hook functions */
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static enum { nowhere, berlin, rome, ny } where;
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static int
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_menu1_berlin_action(dialogMenuItem *self)
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{
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if (where == berlin)
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dialog_mesgbox("excuse me?", "But you're already *in* Berlin!", -1, -1);
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else {
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where = berlin;
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dialog_mesgbox("whoosh!", "Welcome to Berlin! Have a beer!", -1, -1);
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}
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return DITEM_SUCCESS | DITEM_RESTORE | DITEM_CONTINUE;
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}
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static int
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_menu1_rome_action(dialogMenuItem *self)
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{
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if (where == rome)
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dialog_mesgbox("The wine must be getting to you..", "You're already in Rome!", -1, -1);
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else {
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where = rome;
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dialog_mesgbox("whoosh!", "Welcome to Rome! Have a coffee!", -1, -1);
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}
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return DITEM_SUCCESS | DITEM_RESTORE | DITEM_CONTINUE;
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}
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static int
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_menu1_ny_action(dialogMenuItem *self)
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{
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if (where == ny)
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dialog_mesgbox("Say what?", "You're already there!", -1, -1);
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else {
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where = ny;
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dialog_mesgbox("whoosh!", "Welcome to New York! Now go someplace else!", -1, -1);
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}
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return DITEM_SUCCESS | DITEM_RESTORE | DITEM_CONTINUE;
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}
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/* menu1 - show off the "fire" action hook */
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/* prompt title checked fire */
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static dialogMenuItem menu1[] = {
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{ "Berlin", "Go visit Germany's new capitol", NULL, _menu1_berlin_action },
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{ "Rome", "Go visit the Roman ruins", NULL, _menu1_rome_action },
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{ "New York", "Go visit the streets of New York", NULL, _menu1_ny_action },
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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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use_helpfile("menu2.c");
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use_helpline("Type F1 to view the source for this demo");
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retval = dialog_menu("this is dialog_menu() in action, test #2",
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"this simple menu shows off some of the straight-forward features\n"
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"of the new menu system's action dispatch hooks as well as a helpline\n"
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"and a helpfile. Select Cancel to leave",
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-1, -1, 3, -3, menu1, NULL, NULL, NULL);
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dialog_clear();
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fprintf(stderr, "returned value for dialog_menu was %d\n", retval);
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end_dialog();
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return 0;
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}
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