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/**************************************************************************
rhythmview.cpp - The RhythmView widget
Copyright (C) 1998 Antonio Larrosa Jimenez
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Send comments and bug fixes to larrosa@kde.org
or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
***************************************************************************/
#include "rhythmview.h"
RhythmView::RhythmView (QWidget *parent, const char *name) : QWidget (parent,name)
{
lamps=NULL;
setRhythm(4,4);
}
RhythmView::~RhythmView()
{
if (lamps!=NULL)
{
for (int i=0;i<num;i++) delete lamps[i];
delete [] lamps;
lamps=NULL;
}
}
void RhythmView::setRhythm(int numerator,int denominator)
{
int i;
if (lamps!=NULL)
{
for (i=0;i<num;i++) delete lamps[i];
delete [] lamps;
lamps=NULL;
}
num=numerator;
den=denominator;
lamps=new KLed *[num];
int w=width()/num;
int x=0;
for (i=0;i<num;i++)
{
lamps[i]=new KLed(Qt::yellow, KLed::Off, KLed::Sunken, KLed::Rectangular, this);
// lamps[i]->setState(KLed::Off);
lamps[i]->setGeometry(x+2,0,w-4,height());
lamps[i]->show();
x+=w;
}
// lamps[0]->setState(KLed::On);
}
void RhythmView::Beat(int j)
{
if (j>num) setRhythm(j,4); // This is a preventive case
for (int i=0;i<num;i++)
{
lamps[i]->off();
}
lamps[j-1]->on();
}
void RhythmView::Beat(void)
{
}
void RhythmView::resizeEvent(QResizeEvent *)
{
int w=width()/num;
int x=0;
for (int i=0;i<num;i++)
{
lamps[i]->setGeometry(x+2,0,w-4,height());
x+=w;
}
}
QSize RhythmView::sizeHint()
{
return QSize(10,10);
}
QSizePolicy RhythmView::sizePolicy()
{
// return QWidget::sizePolicy();
return QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Minimum);
}
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