process.cc

Go to the documentation of this file.

/*
 *      HT Editor
 *      process.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 "process.h"
#include "htctrl.h"
#include "htdialog.h"
#include "htiobox.h"
#include "htkeyb.h"

bool execute_process(process_func pp, Object *context)
{
        bounds b;
        get_std_progress_indicator_metrics(&b);
        
        ht_progress_indicator *pi=new ht_progress_indicator();
        pi->init(&b, "ESC to cancel");

        bool cancelled=false;
        bool p=true;
        
        while (p) {
                p = pp(context, pi->text);
                if (ht_keypressed()) {
                        if (ht_getkey()==K_Escape) {
                                cancelled=true;
                                break;
                        }
                }
                pi->sendmsg(msg_draw, 0);
                screen->show();
        }

        pi->done();
        delete pi;

        return !cancelled;
}

void execute_process_bg(process_func pp, Object *context)
{
        /* FIXME: nyi */
}

---