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ArgField.h
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1998-11-23
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// $Id: ArgField.h,v 1.16 1998/11/23 17:43:15 zeller Exp $
// Argument field Implementation
// Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
// Written by Dorothea Luetkehaus <luetke@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_ArgField_h
#define _DDD_ArgField_h
#ifdef __GNUG__
#pragma interface
#endif
//-----------------------------------------------------------------------------
// An `ArgField' is a Text field with handler procs.
//-----------------------------------------------------------------------------
// Motif includes
#include <X11/Intrinsic.h>
// Misc includes
#include "HandlerL.h"
#include "bool.h"
#include "strclass.h"
#include "assert.h"
//-----------------------------------------------------------------------------
// Event types
const unsigned Empty = 0;
const unsigned Changed = Empty + 1;
const unsigned LosePrimary = Changed + 1;
const unsigned ArgField_NTypes = LosePrimary + 1;
class ArgField {
Widget arg_text_field;
HandlerList handlers;
bool is_empty;
static void valueChangedCB(Widget w,
XtPointer client_data,
XtPointer call_data);
static void losePrimaryCB(Widget w,
XtPointer client_data,
XtPointer call_data);
private:
ArgField(const ArgField&):
arg_text_field(0), handlers(), is_empty(false) { assert(0); }
ArgField& operator = (const ArgField&) { assert(0); return *this; }
public:
// Constructor
ArgField(Widget parent, const char *name);
bool empty () const { return is_empty; }
string get_string () const;
void set_string(string s);
Widget text() const { return arg_text_field; };
Widget top() const;
void addHandler (unsigned type,
HandlerProc proc,
void* client_data = 0);
void removeHandler (unsigned type,
HandlerProc proc,
void *client_data = 0);
void callHandlers ();
};
// Create a `():' label named "arg_label"
Widget create_arg_label(Widget parent);
// Clear the text field given in Widget(CLIENT_DATA)
void ClearTextFieldCB(Widget w, XtPointer client_data, XtPointer call_data);
#endif // _DDD_ArgField_h
// DON'T ADD ANYTHING BEHIND THIS #endif