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ProgressM.h
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C/C++ Source or Header
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1998-09-21
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// $Id: ProgressM.h,v 1.1 1998/09/21 13:33:36 zeller Exp $ -*- C++ -*-
// Data Display progress meter
// Copyright (C) 1998 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// DDD 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 DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
#ifndef _DDD_ProgressMeter_h
#define _DDD_ProgressMeter_h
#ifdef __GNUG__
#pragma interface
#endif
#include "bool.h"
#include "strclass.h"
#include "status.h"
#include <X11/Intrinsic.h>
//-----------------------------------------------------------------------------
// Show progress while creating or updating displays
//-----------------------------------------------------------------------------
class ProgressMeter {
public:
int current; // Current data to be processed
int base; // Data already processed
int total; // Total of data to be processed
ProgressMeter(const string& msg);
~ProgressMeter();
private:
string msg; // The message shown
StatusDelay delay; // The delay shown
int last_shown; // Last shown amount
bool (*old_background)(int); // DispValue bg proc
bool aborted; // True iff bg proc aborted
// Update progess meter every UPDATE_THRESHOLD characters.
static const int UPDATE_THRESHOLD;
// Popup working dialog when updating from at least DIALOG_THRESHOLD chars.
static const int DIALOG_THRESHOLD;
static Widget dialog;
static Widget scale;
bool process(int remaining_length);
static ProgressMeter *active; // Currently active object
static bool _process(int remaining_length);
static void CancelCB(Widget, XtPointer, XtPointer);
private:
// No copy constructor
ProgressMeter(const ProgressMeter &)
: current(0), base(0), total(0), msg(),
delay(""), last_shown(0),
old_background(0),
aborted(false)
{
assert(0);
}
// No assignment
ProgressMeter& operator = (const ProgressMeter &)
{
assert(0); return *this;
}
};
#endif // _DDD_ProgressMeter_h
// DON'T ADD ANYTHING BEHIND THIS #endif