309 lines
7.2 KiB
C
309 lines
7.2 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated for what's essentially a complete rewrite.
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*
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* $Id: dmenu.c,v 1.39 1999/02/05 22:25:13 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <errno.h>
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#define MAX_MENU 15
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static Boolean exited;
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int
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dmenuDisplayFile(dialogMenuItem *tmp)
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{
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systemDisplayHelp((char *)tmp->data);
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return DITEM_SUCCESS | DITEM_RESTORE;
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}
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int
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dmenuSubmenu(dialogMenuItem *tmp)
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{
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return (dmenuOpenSimple((DMenu *)(tmp->data), FALSE) ? DITEM_SUCCESS : DITEM_FAILURE) |
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DITEM_RESTORE;
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}
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int
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dmenuSystemCommand(dialogMenuItem *self)
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{
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WINDOW *w = NULL; /* Keep lint happy */
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/* If aux is set, the command is known not to produce any screen-spoiling output */
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if (!self->aux)
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w = savescr();
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systemExecute((char *)self->data);
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if (!self->aux)
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restorescr(w);
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return DITEM_SUCCESS;
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}
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int
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dmenuSystemCommandBox(dialogMenuItem *tmp)
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{
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use_helpfile(NULL);
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use_helpline("Select OK to dismiss this dialog");
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dialog_prgbox(tmp->title, (char *)tmp->data, 22, 76, 1, 1);
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return DITEM_SUCCESS | DITEM_RESTORE;
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}
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int
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dmenuExit(dialogMenuItem *tmp)
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{
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exited = TRUE;
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return DITEM_LEAVE_MENU;
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}
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int
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dmenuSetVariable(dialogMenuItem *tmp)
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{
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variable_set((char *)tmp->data, *((char *)tmp->data) != '_');
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return DITEM_SUCCESS;
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}
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int
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dmenuSetVariables(dialogMenuItem *tmp)
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{
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char *cp1, *cp2;
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char *copy = strdup((char *)tmp->data);
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for (cp1 = copy; cp1 != NULL;) {
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cp2 = index(cp1, ',');
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if (cp2 != NULL) *cp2++ = '\0';
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variable_set(cp1, *cp1 != '_');
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cp1 = cp2;
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}
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free(copy);
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return DITEM_SUCCESS;
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}
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int
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dmenuSetKmapVariable(dialogMenuItem *tmp)
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{
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char *lang;
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int err;
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variable_set((char *)tmp->data, 1);
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lang = variable_get(VAR_KEYMAP);
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if (lang != NULL)
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{
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err = loadKeymap(lang);
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if (err == -1)
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msgConfirm("No appropriate keyboard map found, sorry.");
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else if (err == -2)
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msgConfirm("Error installing keyboard map, errno = %d.", errno);
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}
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return DITEM_SUCCESS;
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}
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int
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dmenuToggleVariable(dialogMenuItem *tmp)
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{
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char *var;
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if (!(var = (char *)tmp->data)) {
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msgConfirm("Incorrect data field for `%s'!", tmp->title);
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return DITEM_FAILURE;
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}
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if (!variable_check(var))
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variable_set(var, *var != '_');
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else
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variable_unset(var);
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return DITEM_SUCCESS;
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}
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int
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dmenuISetVariable(dialogMenuItem *tmp)
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{
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char *ans, *var;
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WINDOW *w = NULL; /* Keep lint happy */
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if (!(var = (char *)tmp->data)) {
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msgConfirm("Incorrect data field for `%s'!", tmp->title);
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return DITEM_FAILURE;
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}
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w = savescr();
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ans = msgGetInput(variable_get(var), tmp->title, 1);
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restorescr(w);
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if (!ans)
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return DITEM_FAILURE;
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else if (!*ans)
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variable_unset(var);
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else
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variable_set2(var, ans, *var != '_');
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return DITEM_SUCCESS;
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}
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int
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dmenuSetFlag(dialogMenuItem *tmp)
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{
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if (*((unsigned int *)tmp->data) & tmp->aux)
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*((unsigned int *)tmp->data) &= ~tmp->aux;
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else
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*((unsigned int *)tmp->data) |= tmp->aux;
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return DITEM_SUCCESS;
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}
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int
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dmenuSetValue(dialogMenuItem *tmp)
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{
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*((unsigned int *)tmp->data) = tmp->aux;
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return DITEM_SUCCESS;
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}
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/* Traverse menu but give user no control over positioning */
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Boolean
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dmenuOpenSimple(DMenu *menu, Boolean buttons)
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{
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int choice, scroll, curr, max;
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choice = scroll = curr = max = 0;
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return dmenuOpen(menu, &choice, &scroll, &curr, &max, buttons);
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}
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/* Work functions for the state hook */
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int
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dmenuFlagCheck(dialogMenuItem *item)
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{
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return (*((unsigned int *)item->data) & item->aux);
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}
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int
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dmenuVarCheck(dialogMenuItem *item)
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{
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char *w;
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w = (char *)item->aux;
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if (!w)
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w = (char *)item->data;
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return variable_check(w);
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}
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int
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dmenuVarsCheck(dialogMenuItem *item)
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{
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int res, init;
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char *w, *cp1, *cp2;
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char *copy;
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w = (char *)item->aux;
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if (!w)
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w = (char *)item->data;
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if (!w)
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return FALSE;
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copy = strdup(w);
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res = TRUE;
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init = FALSE;
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for (cp1 = copy; cp1 != NULL;) {
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init = TRUE;
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cp2 = index(cp1, ',');
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if (cp2 != NULL)
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*cp2++ = '\0';
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res = res && variable_check(cp1);
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cp1 = cp2;
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}
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free(copy);
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return res && init;
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}
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int
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dmenuRadioCheck(dialogMenuItem *item)
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{
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return (*((unsigned int *)item->data) == item->aux);
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}
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static int
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menu_height(DMenu *menu, int n)
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{
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int max;
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char *t;
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max = MAX_MENU;
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if (StatusLine > 24)
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max += StatusLine - 24;
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for (t = menu->prompt; *t; t++) {
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if (*t == '\n')
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--max;
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}
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return n > max ? max : n;
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}
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/* Traverse over an internal menu */
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Boolean
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dmenuOpen(DMenu *menu, int *choice, int *scroll, int *curr, int *max, Boolean buttons)
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{
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int n, rval = 0;
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dialogMenuItem *items;
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items = menu->items;
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if (buttons)
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items += 2;
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/* Count up all the items */
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for (n = 0; items[n].title; n++);
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while (1) {
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char buf[FILENAME_MAX];
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/* Any helpful hints, put 'em up! */
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use_helpline(menu->helpline);
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use_helpfile(systemHelpFile(menu->helpfile, buf));
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/* Pop up that dialog! */
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dialog_clear_norefresh();
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if (menu->type & DMENU_NORMAL_TYPE)
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rval = dialog_menu((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
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menu_height(menu, n), -n, items, (char *)buttons, choice, scroll);
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else if (menu->type & DMENU_RADIO_TYPE)
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rval = dialog_radiolist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
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menu_height(menu, n), -n, items, (char *)buttons);
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else if (menu->type & DMENU_CHECKLIST_TYPE)
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rval = dialog_checklist((u_char *)menu->title, (u_char *)menu->prompt, -1, -1,
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menu_height(menu, n), -n, items, (char *)buttons);
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else
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msgFatal("Menu: `%s' is of an unknown type\n", menu->title);
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clearok(stdscr, TRUE);
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if (exited) {
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exited = FALSE;
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return TRUE;
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}
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else if (rval)
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return FALSE;
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else if (menu->type & DMENU_SELECTION_RETURNS)
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return TRUE;
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}
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}
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