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Delay.h
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1998-03-25
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// $Id: Delay.h,v 1.13 1998/03/25 12:42:50 zeller Exp $ -*- C++ -*-
// Delay class -- displays an hourglass cursor until destroyed
// Copyright (C) 1995 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_Delay_h
#define _DDD_Delay_h
#ifdef __GNUG__
#pragma interface
#endif
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include "TypeInfo.h"
#include "VarArray.h"
#include "assert.h"
// _Delay defines a delay for a specific widget only
class _Delay {
public:
DECLARE_TYPE_INFO
private:
Widget widget;
Cursor old_cursor;
static Cursor current_cursor;
static Cursor hourglass_cache;
_Delay(const _Delay&): widget(0), old_cursor(0) { assert(0); }
_Delay& operator = (const _Delay&) { assert(0); return *this; }
protected:
static void DestroyCB(Widget, XtPointer, XtPointer);
virtual Cursor hourglass_cursor();
public:
_Delay(Widget w);
virtual ~_Delay();
};
typedef VarArray<Widget> WidgetArray;
typedef VarArray<_Delay *> DelayArray;
// Delay also defines delays for all registered shells
class Delay: public _Delay {
public:
DECLARE_TYPE_INFO
private:
static int delay_count;
static WidgetArray _shells;
static DelayArray delays;
static void DestroyCB(Widget, XtPointer, XtPointer);
public:
Delay(Widget w = 0);
virtual ~Delay();
static void register_shell(Widget w);
static const WidgetArray& shells() { return _shells; }
static void (*shell_registered)(Widget w);
};
#endif // _DDD_Delay_h
// DON'T ADD ANYTHING BEHIND THIS #endif