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/***************************************************************************
** xPshBtnTable.cpp $Revision: 1.5 $ - $Name: V2-18 $
** xFrame for handling 2 Dimensional Tables of buttons
**
** Copyright (C) 1996 Joseph Croft <jcroft@unicomp.net>
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Library General Public
** License as published by the Free Software Foundation; either
** version 2 of the License, or (at your option) any later version.
**
** This library 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
** Library General Public License for more details.
**
** You should have received a copy of the GNU Library General Public
** License along with this library; if not, write to the Free
** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <qfont.h>
#include "xPshBtnTable.h"
static int dbg = 0;
xPshBtnTable::xPshBtnTable(xWidgetResInfo *pPRes, QWidget *pParent,
const char *pName) :
xFrame((wdtRes = new xWidgetResInfo(pPRes, QString(""),
QString(""))),
pParent, pName)
{
wdtResPrv = new xWidgetResInfo(pPRes);
setDefPallet(this, wdtRes);
setDefFont(this, wdtRes);
// setFont(QFont("helvetica", 12, QFont::Bold));
setAlignment(xALIGN_Horz);
setMargins(3, 3);
setResizeMode(xSPACE_Resize);
btnList.setAutoDelete(TRUE);
}
xPshBtnTable::~xPshBtnTable()
{
xPshBtnFrame *pBtnFrame;
for (xPshBtn *pBtn = btnList.first(); pBtn; pBtn = btnList.first())
btnList.remove(pBtn);
for (pBtnFrame = btnFrameList.first(); pBtnFrame; pBtnFrame = btnFrameList.first())
{
btnFrameList.remove(pBtnFrame);
delete pBtnFrame;
}
}
void xPshBtnTable::arrangeButtons(int cols)
{
xPshBtn *pBtn, *pBtnNew;
xPshBtnFrame *pBtnFrame;
int btnCnt = 0, maxHeight = 0, maxWidth = 0;
int diffColRow = 0, extraBtns = 0, bestFit, x, y, xm, ym;
//
// Start by getting a button count and the width
// of the widest button
//
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Counting Buttons\n");
for (pBtn = btnList.first(); pBtn; pBtn = btnList.next())
{
btnCnt++;
maxWidth = (pBtn->width() > maxWidth) ? pBtn->width() : maxWidth;
maxHeight = (pBtn->height() > maxHeight) ? pBtn->height() : maxHeight;
}
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():have %d Buttons\n", btnCnt);
//
// Set all buttons to the width of the widest button
//
for (pBtn = btnList.first(); pBtn; pBtn = btnList.next())
pBtn->resize(maxWidth, maxHeight);
//
// If they didn't specify the number of columns, do your
// best at figuring out how many
//
if (cols == 0)
{
diffColRow = extraBtns = 65536;
bestFit = 1;
for (x = 2; x < btnCnt; x++)
{
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Trying %d Rows\n",
x);
cols = btnCnt / x;
y = btnCnt % x;
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Makes %d Cols w/ %d left over\n",
cols, y);
if (y <= extraBtns)
{
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():abs(cols - x): %d < diffColRow: %d\n",
abs(cols - x), diffColRow);
if (abs(cols - x) <= diffColRow)
{
diffColRow = abs(cols - x);
bestFit = cols;
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():diffColRow = %d\n",
diffColRow);
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Best fit yet!\n");
}
extraBtns = y;
}
}
cols = bestFit;
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Settled on %d Cols\n",
cols);
}
//
// Now delete any existing Button frames by first unlinking its
// buttons. Then create as many Button frames as columns and
// Place the buttons into them
//
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Deleting existing frames\n");
for (pBtnFrame = btnFrameList.last(); pBtnFrame;)
{
btnFrameList.remove(pBtnFrame);
delete pBtnFrame;
}
//
// Now create all new frames to hold the buttons we have
//
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Adding Buttons\n");
if (dbg) fflush(stdout);
for (x = 0, pBtn = btnList.first(); x < cols && pBtn != 0; x++)
{
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():New button Frame %d\n", x);
if (dbg) fflush(stdout);
pBtnFrame = new xPshBtnFrame(wdtResPrv, this);
pBtnFrame->setAlignment(xALIGN_Vert);
margins(ym, xm);
pBtnFrame->setMargins(0, xm);
btnFrameList.append(pBtnFrame);
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Adding Buttons to frame\n");
if (dbg) fflush(stdout);
for (y = 0; y < btnCnt / cols && pBtn; y++, pBtn = btnList.next())
{
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Adding Button %d to frame\n", y);
if (dbg) fflush(stdout);
pBtnNew = pBtnFrame->addButton(pBtn->text(), pBtn->id());
pBtnNew->resize(maxWidth, pBtn->height());
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Button Added!\n");
if (dbg) fflush(stdout);
}
if (extraBtns > 0 && pBtn != NULL)
{
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Adding Extra Button %d to frame\n",
extraBtns);
if (dbg) fflush(stdout);
pBtnNew = pBtnFrame->addButton(pBtn->text(), pBtn->id());
pBtnNew->resize(maxWidth, pBtn->height());
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Extra Button Added!\n");
if (dbg) fflush(stdout);
extraBtns--;
pBtn = btnList.next();
}
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Connecting Button Frame signals\n");
if (dbg) fflush(stdout);
connect(pBtnFrame, SIGNAL(clicked(int)), this, SLOT(buttonClicked(int)));
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Adding Button Frame to this\n");
if (dbg) fflush(stdout);
pBtnFrame->fitFrame();
addWidget(pBtnFrame);
}
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Fitting this frame!\n");
if (dbg) fflush(stdout);
fitFrame();
if (dbg) fprintf(stdout, "xPshBtnTable::arrangeButtons():Exit\n");
if (dbg) fflush(stdout);
}
void xPshBtnTable::addButton(xPshBtn *pBtn, int id)
{
pBtn->setId(id);
addButton(pBtn);
}
void xPshBtnTable::addButton(xPshBtn *pButton)
{
btnList.append(pButton);
// pButton->setFont(font());
// addWidget(pButton);
}
xPshBtn *xPshBtnTable::addButton(const char *pBtnName, int id)
{
xPshBtn *pBtn;
if ((pBtn = new xPshBtn(wdtRes, NULL, pBtnName, pBtnName, id)) != NULL)
{
addButton(pBtn);
}
return(pBtn);
}
void xPshBtnTable::rmvButton(int id)
{
xPshBtn *pBtn;
for (pBtn = btnList.first(); pBtn; pBtn = btnList.next())
{
if (id == pBtn->id())
btnList.removeRef(pBtn);
}
}
void xPshBtnTable::buttonClicked(int id)
{
emit clicked(id);
}
#include "xPshBtnTable.moc"
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