/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Microline Widget Library, originally made available under the NPL by Neuron Data <http://www.neurondata.com>.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* In addition, as a special exception to the GNU GPL, the copyright holders
* give permission to link the code of this program with the Motif and Open
* Motif libraries (or with modified versions of these that use the same
* license), and distribute linked combinations including the two. You
* must obey the GNU General Public License in all respects for all of
* the code used other than linking with Motif/Open Motif. If you modify
* this file, you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version.
*
* ***** END LICENSE BLOCK ***** */
/*----------------------------------------------------------------------*/
/* */
/* Name: <XmL/GridUtil.c> */
/* */
/* Description: XmLGrid misc utilities. They are here in order not to */
/* continue bloating Grid.c beyond hope. */
/* */
/* Author: Ramiro Estrugo <ramiro@netscape.com> */
/* */
/* Created: Thu May 28 21:55:45 PDT 1998 */
/* */
/*----------------------------------------------------------------------*/
#include "GridP.h"
#include <assert.h>
/*----------------------------------------------------------------------*/
/* extern */ int
XmLGridGetRowCount(Widget w)
{
XmLGridWidget g = (XmLGridWidget) w;
assert( g != NULL );
#ifdef DEBUG_ramiro
{
int rows = 0;
XtVaGetValues(w,XmNrows,&rows,NULL);
assert( rows == g->grid.rowCount );
}
#endif
return g->grid.rowCount;
}
/*----------------------------------------------------------------------*/
/* extern */ int
XmLGridGetColumnCount(Widget w)
{
XmLGridWidget g = (XmLGridWidget) w;
assert( g != NULL );
#ifdef DEBUG_ramiro
{
int columns = 0;
XtVaGetValues(w,XmNcolumns,&columns,NULL);
assert( columns == g->grid.colCount );
}
#endif
return g->grid.colCount;
}
/*----------------------------------------------------------------------*/
/* extern */ void
XmLGridXYToCellTracking(Widget widget,
int x, /* input only args. */
int y, /* input only args. */
Boolean * m_inGrid, /* input/output args. */
int * m_lastRow, /* input/output args. */
int * m_lastCol, /* input/output args. */
unsigned char * m_lastRowtype, /* input/output args. */
unsigned char * m_lastColtype,/* input/output args. */
int * outRow, /* output only args. */
int * outCol, /* output only args. */
Boolean * enter, /* output only args. */
Boolean * leave) /* output only args. */
{
int m_totalLines = 0;
int m_numcolumns = 0;
int row = 0;
int column = 0;
unsigned char rowtype = XmCONTENT;
unsigned char coltype = XmCONTENT;
if (0 > XmLGridXYToRowColumn(widget,
x,
y,
&rowtype,
&row,
&coltype,
&column))
{
/* In grid; but, not in any cells
*/
/* treat it as a leave
*/
*enter = FALSE;
*leave = TRUE;
return;
}/* if */
m_totalLines = XmLGridGetRowCount(widget);
m_numcolumns = XmLGridGetColumnCount(widget);
if ((row < m_totalLines) &&
(column < m_numcolumns) &&
((*m_lastRow != row)||
(*m_lastCol != column) ||
(*m_lastRowtype != rowtype)||
(*m_lastColtype != coltype)))
{
*outRow = (rowtype == XmHEADING)?-1:row;
*outCol = column;
if (*m_inGrid == False)
{
*m_inGrid = True;
/* enter a cell
*/
*enter = TRUE;
*leave = FALSE;
}/* if */
else
{
/* Cruising among cells
*/
*enter = TRUE;
*leave = TRUE;
}/* else */
*m_lastRow = row;
*m_lastCol = column;
*m_lastRowtype = rowtype ;
*m_lastColtype = coltype ;
}/* row /col in grid */
}
/*----------------------------------------------------------------------*/