freebsd-dev/usr.sbin/sysinstall/dmenu.c

186 lines
5.4 KiB
C
Raw Normal View History

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated for what's essentially a complete rewrite.
*
* $Id: dmenu.c,v 1.13 1995/12/07 10:33:44 peter Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. 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
1995-05-30 08:29:07 +00:00
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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 "sysinstall.h"
1995-06-11 19:33:05 +00:00
#include <sys/types.h>
#define MAX_MENU 15
/* Traverse menu but give user no control over positioning */
1995-06-11 19:33:05 +00:00
Boolean
dmenuOpenSimple(DMenu *menu)
{
int choice, scroll, curr, max;
choice = scroll = curr = max = 0;
1995-06-11 19:33:05 +00:00
return dmenuOpen(menu, &choice, &scroll, &curr, &max);
}
/* Work functions for the state hook */
char *
dmenuFlagCheck(DMenuItem *item)
{
if (*((unsigned int *)item->ptr) & item->parm)
return "ON";
return "OFF";
}
char *
dmenuVarCheck(DMenuItem *item)
{
char *w, *cp, *cp2, tmp[256];
1995-06-11 19:33:05 +00:00
w = (char *)item->parm;
if (!w)
w = (char *)item->ptr;
if (!w)
return "OFF";
strncpy(tmp, w, 256);
1995-06-11 19:33:05 +00:00
if ((cp = index(tmp, '=')) != NULL) {
*(cp++) = '\0';
cp2 = getenv(tmp);
if (cp2)
return !strcmp(cp, cp2) ? "ON" : "OFF";
else
return "OFF";
1995-06-11 19:33:05 +00:00
}
else
return getenv(tmp) ? "ON" : "OFF";
1995-06-11 19:33:05 +00:00
}
char *
dmenuRadioCheck(DMenuItem *item)
{
if (*((unsigned int *)item->ptr) == item->parm)
return "ON";
return "OFF";
}
static char *
checkHookVal(DMenuItem *item)
{
if (!item->check)
return "OFF";
return (*item->check)(item);
}
static int
menu_height(DMenu *menu, int n)
{
int max;
char *t;
for (t = menu->title, max = MAX_MENU; *t; t++) {
if (*t == '\n')
--max;
}
return n > max ? max : n;
}
/* Traverse over an internal menu */
1995-06-11 19:33:05 +00:00
Boolean
dmenuOpen(DMenu *menu, int *choice, int *scroll, int *curr, int *max)
{
char result[FILENAME_MAX];
char **nitems = NULL;
DMenuItem *tmp;
int rval = 0, n = 0;
/* First, construct the menu */
for (tmp = menu->items; tmp->title; tmp++) {
if (!tmp->disabled) {
1995-06-11 19:33:05 +00:00
nitems = item_add_pair(nitems, tmp->title, tmp->prompt, curr, max);
if (menu->options & (DMENU_RADIO_TYPE | DMENU_MULTIPLE_TYPE))
nitems = item_add(nitems, checkHookVal(tmp), curr, max);
++n;
}
}
nitems = item_add(nitems, NULL, curr, max); /* Terminate it */
while (1) {
char buf[FILENAME_MAX];
/* Any helpful hints, put 'em up! */
use_helpline(menu->helpline);
use_helpfile(systemHelpFile(menu->helpfile, buf));
/* Pop up that dialog! */
if (menu->options & DMENU_NORMAL_TYPE)
1995-06-11 19:33:05 +00:00
rval = dialog_menu((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), n, (u_char **)nitems, (u_char *)result, choice, scroll);
else if (menu->options & DMENU_RADIO_TYPE)
1995-06-11 19:33:05 +00:00
rval = dialog_radiolist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), n, (u_char **)nitems, (u_char *)result);
else if (menu->options & DMENU_MULTIPLE_TYPE)
1995-06-11 19:33:05 +00:00
rval = dialog_checklist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), n, (u_char **)nitems, (u_char *)result);
/* This seems to be the only technique that works for getting the display to look right */
dialog_clear();
if (!rval) {
if (menu->options & DMENU_MULTIPLE_TYPE) {
if (decode_and_dispatch_multiple(menu, result) || menu->options & DMENU_SELECTION_RETURNS) {
items_free(nitems, curr, max);
return TRUE;
}
}
else {
if ((tmp = decode(menu, result)) == NULL)
1995-06-11 19:33:05 +00:00
return FALSE;
}
if (dispatch(tmp, result) == RET_DONE || (menu->options & DMENU_SELECTION_RETURNS)) {
1995-06-11 19:33:05 +00:00
items_free(nitems, curr, max);
return TRUE;
}
}
else {
items_free(nitems, curr, max);
1995-06-11 19:33:05 +00:00
return FALSE;
}
}
}