freebsd-dev/release/sysinstall/dmenu.c
Jordan K. Hubbard 00b69db338 As Paul has just pointed out, much of my strncpy() usage was either
bogus or overly complex and really needed to be done more consistently
and sanely throughout - no question about it.  Done.

Suggested-By: Paul Traina <pst@Shockwave.COM>
1996-12-09 08:22:19 +00:00

268 lines
6.5 KiB
C

/*
* 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 1.27 1996/11/09 16:46:56 joerg 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.
*
* 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"
#include <errno.h>
#include <sys/types.h>
#define MAX_MENU 15
static Boolean exited;
int
dmenuDisplayFile(dialogMenuItem *tmp)
{
systemDisplayHelp((char *)tmp->data);
return DITEM_SUCCESS | DITEM_RESTORE;
}
int
dmenuSubmenu(dialogMenuItem *tmp)
{
return (dmenuOpenSimple((DMenu *)(tmp->data), FALSE) ? DITEM_SUCCESS : DITEM_FAILURE) |
DITEM_RECREATE;
}
int
dmenuSystemCommand(dialogMenuItem *self)
{
WINDOW *w = NULL; /* Keep lint happy */
/* If aux is set, the command is known not to produce any screen-spoiling output */
if (!self->aux)
w = savescr();
systemExecute((char *)self->data);
if (!self->aux)
restorescr(w);
return DITEM_SUCCESS;
}
int
dmenuSystemCommandBox(dialogMenuItem *tmp)
{
use_helpfile(NULL);
use_helpline("Select OK to dismiss this dialog");
dialog_prgbox(tmp->title, (char *)tmp->data, 22, 76, 1, 1);
return DITEM_SUCCESS | DITEM_RESTORE;
}
int
dmenuExit(dialogMenuItem *tmp)
{
exited = TRUE;
return DITEM_LEAVE_MENU;
}
int
dmenuSetVariable(dialogMenuItem *tmp)
{
variable_set((char *)tmp->data);
return DITEM_SUCCESS;
}
int
dmenuSetVariables(dialogMenuItem *tmp)
{
char *cp1, *cp2;
char *copy = strdup((char *)tmp->data);
for (cp1 = copy; cp1 != NULL;) {
cp2 = index(cp1, ',');
if (cp2 != NULL) *cp2++ = '\0';
variable_set(cp1);
cp1 = cp2;
}
free(copy);
return DITEM_SUCCESS;
}
int
dmenuSetKmapVariable(dialogMenuItem *tmp)
{
char *lang;
int err;
variable_set((char *)tmp->data);
lang = variable_get("keymap");
if (lang != NULL)
{
err = loadKeymap(lang);
if (err == -1)
msgConfirm("No appropriate keyboard map found, sorry.");
else if (err == -2)
msgConfirm("Error installing keyboard map, errno = %d.", errno);
}
return DITEM_SUCCESS;
}
int
dmenuToggleVariable(dialogMenuItem *tmp)
{
if (!variable_get((char *)tmp->data))
variable_set((char *)tmp->data);
else
variable_unset((char *)tmp->data);
return DITEM_SUCCESS;
}
int
dmenuSetFlag(dialogMenuItem *tmp)
{
if (*((unsigned int *)tmp->data) & tmp->aux)
*((unsigned int *)tmp->data) &= ~tmp->aux;
else
*((unsigned int *)tmp->data) |= tmp->aux;
return DITEM_SUCCESS;
}
int
dmenuSetValue(dialogMenuItem *tmp)
{
*((unsigned int *)tmp->data) = tmp->aux;
return DITEM_SUCCESS;
}
/* Traverse menu but give user no control over positioning */
Boolean
dmenuOpenSimple(DMenu *menu, Boolean buttons)
{
int choice, scroll, curr, max;
choice = scroll = curr = max = 0;
return dmenuOpen(menu, &choice, &scroll, &curr, &max, buttons);
}
/* Work functions for the state hook */
int
dmenuFlagCheck(dialogMenuItem *item)
{
return (*((unsigned int *)item->data) & item->aux);
}
int
dmenuVarCheck(dialogMenuItem *item)
{
char *w, *cp, *cp2, *cp3, tmp[256];
w = (char *)item->aux;
if (!w)
w = (char *)item->data;
if (!w)
return FALSE;
SAFE_STRCPY(tmp, w);
if ((cp = index(tmp, '=')) != NULL) {
*(cp++) = '\0';
if ((cp3 = index(cp, ',')) != NULL)
*cp3 = '\0';
cp2 = getenv(tmp);
if (cp2)
return !strcmp(cp, cp2);
else
return FALSE;
}
else
return (int)getenv(tmp);
}
int
dmenuRadioCheck(dialogMenuItem *item)
{
return (*((unsigned int *)item->data) == item->aux);
}
static int
menu_height(DMenu *menu, int n)
{
int max;
char *t;
max = MAX_MENU;
if (StatusLine > 24)
max += StatusLine - 24;
for (t = menu->prompt; *t; t++) {
if (*t == '\n')
--max;
}
return n > max ? max : n;
}
/* Traverse over an internal menu */
Boolean
dmenuOpen(DMenu *menu, int *choice, int *scroll, int *curr, int *max, Boolean buttons)
{
int n, rval = 0;
dialogMenuItem *items;
items = menu->items;
if (buttons)
items += 2;
/* Count up all the items */
for (n = 0; items[n].title; n++);
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! */
dialog_clear_norefresh();
if (menu->type & DMENU_NORMAL_TYPE)
rval = dialog_menu((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), -n, items, (char *)buttons, choice, scroll);
else if (menu->type & DMENU_RADIO_TYPE)
rval = dialog_radiolist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), -n, items, (char *)buttons);
else if (menu->type & DMENU_CHECKLIST_TYPE)
rval = dialog_checklist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
menu_height(menu, n), -n, items, (char *)buttons);
else
msgFatal("Menu: `%s' is of an unknown type\n", menu->title);
clearok(stdscr, TRUE);
if (exited) {
exited = FALSE;
return TRUE;
}
else if (rval)
return FALSE;
else if (menu->type & DMENU_SELECTION_RETURNS)
return TRUE;
}
}