Mike,
This doesn't seem normal. I added a couple of lines to the
examples/matrix/matrix.c program to verify this, and indeed
the prev_text does have a non-NULL value.
My modified program is attached, could you check what
it does on your system ?
Danny
gdb matrix2
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This GDB was configured as "i386-suse-linux"...
(gdb) break modify
Breakpoint 1 at 0x8048996: file ../../../SOURCES/examples/matrix/matrix2.c, line
106.
(gdb) r
Starting program: /home/danny/Hungry/Xbae/BUILD/examples/matrix/matrix2
Breakpoint 1, modify (w=0x8064578, client=0x0, call=0xbffff25c)
at ../../../SOURCES/examples/matrix/matrix2.c:106
106 XbaeMatrixModifyVerifyCallbackStruct * cbp =
(XbaeMatrixModifyVerifyCallbackStruct *)call;
(gdb) s
108 fprintf(stderr, "Yow\n");
(gdb) p *cbp
$1 = {reason = XbaeModifyVerifyReason, event = 0x0, row = 1, column = 3, verify
= 0xbffff30c,
prev_text = 0x401a6a39 ""}
(gdb) p *cbp->prev_text
$2 = 0 '\000'
(gdb) q
The program is running. Exit anyway? (y or n) y
Mike Accolla wrote :
> I developed a Motif application on a Data General
> Machine using the 4.6 version of Xbae. Everything was
> working fine. I was tasked to port the application
> over to a Sun-Ultra10 workstation running Solaris2.8.
>
> I recompiled the application. Ran it, and it core
> dumped in the XtVaCreateManagedWidget() for the
> XbaeMatrix. I assumed I would need to upgrade the
> Xbae library and include files, so I installed the
> 4.8.1 version of Xbae and recompiled my app. This
> time it came up correctly. However, I have a
> XbaeMatrixModifyVerifyCallback function that checks
> the prev_text value of the
> XbaeMatrixModifyVerifyCallbackStruct structure. It is
> always being passed in NULL. I tried all the other
> versions (4.8.2, 4.8.4, 4.9.1) all have the same
> problems.
>
> Is this a known problem?? Is it a problem at all??
> Should I be handling this differently??
--
Danny Backx ([EMAIL PROTECTED] [EMAIL PROTECTED])
Home page : http://users.skynet.be/danny.backx
Projects: LessTif (http://www.lesstif.org)
Oleo (http://www.gnu.org/software/oleo/oleo.html)
/*
* Copyright(c) 1992 Bell Communications Research, Inc. (Bellcore)
* All rights reserved
*
* Copyright � 2001 by the LessTif Developers
*
* Permission to use, copy, modify and distribute this material for
* any purpose and without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies, and that the name of Bellcore not be used in advertising
* or publicity pertaining to this material without the specific,
* prior written permission of an authorized representative of
* Bellcore.
*
* BELLCORE MAKES NO REPRESENTATIONS AND EXTENDS NO WARRANTIES, EX-
* PRESS OR IMPLIED, WITH RESPECT TO THE SOFTWARE, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR ANY PARTICULAR PURPOSE, AND THE WARRANTY AGAINST IN-
* FRINGEMENT OF PATENTS OR OTHER INTELLECTUAL PROPERTY RIGHTS. THE
* SOFTWARE IS PROVIDED "AS IS", AND IN NO EVENT SHALL BELLCORE OR
* ANY OF ITS AFFILIATES BE LIABLE FOR ANY DAMAGES, INCLUDING ANY
* LOST PROFITS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES RELAT-
* ING TO THE SOFTWARE.
*
* $Id: matrix.c,v 1.6 2001/03/30 09:51:50 dannybackx Exp $
*/
#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include <XbaeConfig.h>
#endif
#include <stdlib.h>
#ifdef USE_EDITRES
#include <X11/Intrinsic.h>
#include <X11/Xmu/Editres.h>
#endif
#include <Xbae/Matrix.h>
static String fallback[] = {
"Matrix*mw.rowLabels: 1, 2, 3, 4, 5, 6",
"Matrix*mw.columns: 5",
"Matrix*mw.rows: 6",
"Matrix*mw.columnWidths: 8, 3, 10, 10, 10",
"Matrix*mw.allowColumnResize: True",
"Matrix*mw.cells: Orange, 12, Rough, Inches, Large\\n"
" Blue, 323, Smooth, Feet, Medium\\n"
" Yellow, 456, Bristly, Meters, Large\\n"
" Green, 1, Knobby, Miles, Small\\n"
" Pink, 33, Hairy, Quarts, Small\\n"
" Black, 7, Silky, Gallons, Small",
"Matrix*mw.cellBackgrounds: white, antiquewhite, white, white,
antiquewhite\\n"
" white, antiquewhite, white, white,
antiquewhite\\n"
" white, antiquewhite, white, white,
antiquewhite\\n"
" white, antiquewhite, white, white,
antiquewhite\\n"
" white, antiquewhite, white, white,
antiquewhite\\n"
" white, antiquewhite, white, white,
antiquewhite",
"Matrix*mw.colors: blue, black, blue, blue, black\\n"
" blue, black, blue, blue, black\\n"
" blue, black, blue, blue, black\\n"
" blue, black, blue, blue, black\\n"
" blue, black, blue, blue, black\\n"
" blue, black, blue, blue, black",
"Matrix*mw.columnLabels: Color, #, Texture, Measure, Size",
"Matrix*mw.columnLabelAlignments:alignment_beginning, alignment_center,"
" alignment_beginning, alignment_beginning,"
" alignment_beginning",
"Matrix*mw.columnAlignments: alignment_beginning, alignment_end,"
" alignment_beginning, alignment_beginning,"
" alignment_beginning",
"Matrix*labelFont: -*-helvetica-bold-r-*-*-14-*-*-*-*-*-*-*",
"Matrix*fontList: -*-helvetica-medium-r-*-*-10-*-*-*-*-*-*-*",
"Matrix*cellHighlightThickness: 2",
"Matrix*cellShadowThickness: 2",
"Matrix*cellMarginWidth: 0",
"Matrix*cellMarginHeight: 3",
"Matrix*gridType: grid_cell_shadow",
"Matrix*cellShadowType: shadow_in",
"Matrix*rowLabelColor: Red",
"Matrix*columnLabelColor: Blue",
"Matrix*mw.buttonLabels: True",
"Matrix*mw.allowColumnResize: True",
NULL
};
void
labelCB(Widget mw, XtPointer cd, XtPointer cb)
{
XbaeMatrixLabelActivateCallbackStruct *cbs =
( XbaeMatrixLabelActivateCallbackStruct * )cb;
if( cbs->row_label )
if( XbaeMatrixIsRowSelected( mw, cbs->row ) )
XbaeMatrixDeselectRow( mw, cbs->row );
else
XbaeMatrixSelectRow( mw, cbs->row );
else
if( XbaeMatrixIsColumnSelected( mw, cbs->column ) )
XbaeMatrixDeselectColumn( mw, cbs->column );
else
XbaeMatrixSelectColumn( mw, cbs->column );
}
void modify(Widget w, XtPointer client, XtPointer call)
{
XbaeMatrixModifyVerifyCallbackStruct * cbp =
(XbaeMatrixModifyVerifyCallbackStruct *)call;
fprintf(stderr, "Yow\n");
}
/*
* Simple example of loaded Matrix
*/
int
main(int argc, char *argv[])
{
Widget toplevel, mw;
XtAppContext app;
toplevel = XtVaAppInitialize(&app, "Matrix",
NULL, 0,
&argc, argv,
fallback,
NULL);
#ifdef USE_EDITRES
XtAddEventHandler( toplevel, (EventMask)0, True,
_XEditResCheckMessages, NULL);
#endif
mw = XtVaCreateManagedWidget("mw",
xbaeMatrixWidgetClass, toplevel,
NULL);
XtAddCallback( mw, XmNlabelActivateCallback, ( XtCallbackProc )labelCB,
NULL );
XtAddCallback(mw, XmNmodifyVerifyCallback, modify, NULL);
XtRealizeWidget(toplevel);
XtAppMainLoop(app);
/*NOTREACHED*/
return 0;
}
