/* * 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 1.12.2.5 1995/10/19 15:55:00 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" #include #define MAX_MENU 15 /* Traverse menu but give user no control over positioning */ Boolean dmenuOpenSimple(DMenu *menu) { int choice, scroll, curr, max; choice = scroll = curr = max = 0; 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]; w = (char *)item->parm; if (!w) w = (char *)item->ptr; if (!w) return "OFF"; strncpy(tmp, w, 256); if ((cp = index(tmp, '=')) != NULL) { *(cp++) = '\0'; cp2 = getenv(tmp); if (cp2) return !strcmp(cp, cp2) ? "ON" : "OFF"; else return "OFF"; } else return getenv(tmp) ? "ON" : "OFF"; } 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 */ 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) { 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) 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) 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) 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 (menu->options & DMENU_CALL_FIRST) tmp = &(menu->items[0]); else { 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) return FALSE; } if (dispatch(tmp, result) == RET_DONE || (menu->options & DMENU_SELECTION_RETURNS)) { items_free(nitems, curr, max); return TRUE; } } else { items_free(nitems, curr, max); return FALSE; } } }