tdemultimedia/kmid/rhythmview.cpp

/**************************************************************************

    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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 (TQWidget *parent, const char *name) : TQWidget (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(TQResizeEvent *)
{
    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;
    }
}

TQSize RhythmView::sizeHint()
{
    return TQSize(10,10);
}

TQSizePolicy RhythmView::sizePolicy()
{
//      return TQWidget::sizePolicy();
    return TQSizePolicy(TQSizePolicy::Expanding,TQSizePolicy::Minimum);
}