htidle.cc

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/*
 *      HT Editor
 *      htidle.cc
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "htdata.h"
#include "htdebug.h"
#include "htidle.h"
#include "htkeyb.h"
#include "htsys.h"

ht_clist *idle_objs;

int cur_idle=0;
bool any_idles=0;

void register_idle_object(Object *o)
{
        idle_objs->insert(o);
}

void unregister_idle_object(Object *o)
{
        int c=idle_objs->count();
        for (int i=0; i<c; i++) if (idle_objs->get(i)==o) {
                idle_objs->remove(i);
        }
}

void do_idle()
{
        int c=idle_objs->count();
        if (c) {
                if (cur_idle>=c) {
                        cur_idle=0;
                        if (!any_idles) sys_suspend();
                        any_idles=0;
                }
                Object *i=idle_objs->get(cur_idle);
                assert(i);
                any_idles|=i->idle();
                cur_idle++;
        } else {
                sys_suspend();
        }
}

/*
 *      INIT
 */

bool init_idle()
{
        idle_objs=new ht_clist();
        idle_objs->init();
        return true;
}

/*
 *      DONE
 */

void done_idle()
{
        idle_objs->done();
        delete idle_objs;
}

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