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findParent.C
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C/C++ Source or Header
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1998-03-25
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3KB
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132 lines
// $Id: findParent.C,v 1.12 1998/03/25 12:45:53 zeller Exp $
// find specific parent
// 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>.
char findParent_rcsid[] =
"$Id: findParent.C,v 1.12 1998/03/25 12:45:53 zeller Exp $";
#include <Xm/Xm.h>
#include <iostream.h>
#include "findParent.h"
#include "longName.h"
#include "bool.h"
// ANSI C++ doesn't like the XtIsRealized() macro
#ifdef XtIsRealized
#undef XtIsRealized
#endif
// Set this to true to allow debugging
bool findParent_debug = false;
// Find a realized Shell
Widget findShellParent(Widget w)
{
if (findParent_debug)
clog << "findShellParent(" << longName(w) << ") = ";
while (w != 0 && (!XtIsWidget(w)
|| !XtIsShell(w)
|| !XtIsRealized(w)
|| XtDisplay(w) == None
|| XtScreen(w) == None
|| XtWindow(w) == None))
w = XtParent(w);
if (findParent_debug)
{
if (w != 0)
clog << longName(w);
else
clog << "(none)";
clog << "\n";
}
return w;
}
// find a (realized) toplevel Shell
Widget findTopLevelShellParent(Widget w)
{
if (findParent_debug)
clog << "findTopLevelShellParent(" << longName(w) << ") = ";
while (w != 0 && (!XtIsWidget(w)
|| !XtIsTopLevelShell(w)
|| !XtIsRealized(w)
|| XtDisplay(w) == 0
|| XtScreen(w) == 0
|| XtWindow(w) == 0))
w = XtParent(w);
if (findParent_debug)
{
if (w != 0)
clog << longName(w);
else
clog << "(none)";
clog << "\n";
}
return w;
}
// find highest (realized) toplevel Shell
Widget findTheTopLevelShell(Widget w)
{
if (findParent_debug)
clog << "findTopLevelShellParent(" << longName(w) << ") = ";
Widget found = 0;
while (w != 0)
{
if (XtIsWidget(w)
&& XtIsTopLevelShell(w)
&& XtIsRealized(w)
&& XtDisplay(w) != 0
&& XtScreen(w) != 0
&& XtWindow(w) != 0)
found = w;
w = XtParent(w);
}
if (findParent_debug)
{
if (found != 0)
clog << longName(found);
else
clog << "(none)";
clog << "\n";
}
return found;
}