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/*
* 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 1.2 1995/04/27 18:03:52 jkh 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
* 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"
#define MAX_MENU 15
static DMenuItem shellAction = { NULL, NULL, DMENU_SHELL_ESCAPE, NULL, 0 };
/* Traverse over an internal menu */
void
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) {
char *addme = NULL;
char *title = tmp->title;
char *prompt = tmp->prompt;
if (menu->options & DMENU_RADIO_TYPE) {
if (*title == '*') {
addme = "ON";
++title;
}
else
addme = "OFF";
}
nitems = item_add_pair(nitems, title, prompt, curr, max);
if (addme)
nitems = item_add(nitems, addme, curr, max);
++n;
}
}
nitems = item_add(nitems, NULL, curr, max); /* Terminate it */
while (1) {
/* Any helpful hints, put 'em up! */
if (menu->helpline)
use_helpline(menu->helpline);
if (menu->helpfile)
use_helpfile(menu->helpfile);
/* Pop up that dialog! */
if (menu->options & DMENU_NORMAL_TYPE) {
rval = dialog_menu((unsigned char *)menu->title,
(unsigned char *)menu->prompt,
-1, -1,
n > MAX_MENU ? MAX_MENU : n,
n,
(unsigned char **)nitems,
(unsigned char *)result,
choice, scroll);
}
else if (menu->options & DMENU_RADIO_TYPE) {
rval = dialog_radiolist((unsigned char *)menu->title,
(unsigned char *)menu->prompt,
-1, -1,
n > MAX_MENU ? MAX_MENU : n,
n,
(unsigned char **)nitems,
(unsigned char *)result);
}
dialog_clear();
if (!rval) {
for (tmp = menu->items; tmp->title; tmp++)
if (!strcmp(result,
(*tmp->title == '*') ? tmp->title + 1 :
tmp->title))
break;
if (!tmp->title)
msgFatal("Menu item `%s' not found??", result);
}
else if (rval == 255)
tmp = &shellAction;
else {
items_free(nitems, curr, max);
return;
}
switch (tmp->type) {
/* User whapped ESC twice and wants a sub-shell */
case DMENU_SHELL_ESCAPE:
systemShellEscape();
break;
/* We want to simply display a file */
case DMENU_DISPLAY_FILE:
systemDisplayFile((char *)tmp->ptr);
break;
/* It's a sub-menu; recurse on it */
case DMENU_SUBMENU: {
int choice, scroll, curr, max;
choice = scroll = curr = max = 0;
dmenuOpen((DMenu *)tmp->ptr, &choice, &scroll, &curr, &max);
break;
}
/* Execute it as a system command */
case DMENU_SYSTEM_COMMAND:
(void)systemExecute((char *)tmp->ptr);
break;
/* Same as above, but execute it in a prgbox */
case DMENU_SYSTEM_COMMAND_BOX:
dialog_prgbox(tmp->title, (char *)tmp->ptr, 22, 76, 1, 1);
break;
case DMENU_CALL:
if (((int (*)())tmp->ptr)()) {
items_free(nitems, curr, max);
return;
}
break;
case DMENU_CANCEL:
items_free(nitems, curr, max);
return;
case DMENU_SET_VARIABLE: {
Variable *newvar;
if (!index((char *)tmp->ptr, '='))
msgWarn("Improperly formatted variable: %s", tmp->ptr);
putenv((char *)tmp->ptr);
newvar = (Variable *)malloc(sizeof(Variable));
if (!newvar)
msgFatal("Out of Memory!");
strncpy(newvar->value, tmp->ptr, 1024);
newvar->next = VarHead;
VarHead = newvar;
msgInfo("Setting option %s", newvar->value);
}
break;
default:
msgFatal("Don't know how to deal with menu type %d", tmp->type);
}
/* Did the user want to make this a single-selection menu? */
if (menu->options & DMENU_SELECTION_RETURNS) {
items_free(nitems, curr, max);
return;
}
}
}
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