kmid/rhythmview.cpp

   1 /**************************************************************************
   2
   3     rhythmview.cpp  - The RhythmView widget
   4     Copyright (C) 1998  Antonio Larrosa Jimenez
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19
  20     Send comments and bug fixes to larrosa@kde.org
  21     or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
  22
  23 ***************************************************************************/
  24 #include "rhythmview.h"
  25 //Added by qt3to4:
  26 #include <QResizeEvent>
  27
  28 RhythmView::RhythmView (QWidget *parent, const char *name) : QWidget(parent)
  29 {
  30     setObjectName(name);
  31     lamps=NULL;
  32     setRhythm(4,4);
  33 }
  34
  35 RhythmView::~RhythmView()
  36 {
  37     if (lamps!=NULL)
  38     {
  39         for (int i=0;i<num;i++) delete lamps[i];
  40         delete [] lamps;
  41         lamps=NULL;
  42     }
  43 }
  44
  45 void RhythmView::setRhythm(int numerator,int denominator)
  46 {
  47     int i;
  48     if (lamps!=NULL)
  49     {
  50         for (i=0;i<num;i++) delete lamps[i];
  51         delete [] lamps;
  52         lamps=NULL;
  53     }
  54     num=numerator;
  55     den=denominator;
  56
  57     lamps=new KLed *[num];
  58     int w=width()/num;
  59     int x=0;
  60
  61     for (i=0;i<num;i++)
  62     {
  63         lamps[i]=new KLed(Qt::yellow, KLed::Off, KLed::Sunken, KLed::Rectangular, this);
  64 //        lamps[i]->setState(KLed::Off);
  65         lamps[i]->setGeometry(x+2,0,w-4,height());
  66         lamps[i]->show();
  67         x+=w;
  68     }
  69 //    lamps[0]->setState(KLed::On);
  70
  71 }
  72
  73 void RhythmView::Beat(int j)
  74 {
  75     if (j>num) setRhythm(j,4); // This is a preventive case
  76
  77     for (int i=0;i<num;i++)
  78     {
  79         lamps[i]->off();
  80     }
  81     lamps[j-1]->on();
  82 }
  83
  84 void RhythmView::Beat(void)
  85 {
  86
  87 }
  88
  89 void RhythmView::resizeEvent(QResizeEvent *)
  90 {
  91     int w=width()/num;
  92     int x=0;
  93
  94     for (int i=0;i<num;i++)
  95     {
  96         lamps[i]->setGeometry(x+2,0,w-4,height());
  97         x+=w;
  98     }
  99 }
 100
 101 QSize RhythmView::sizeHint() const
 102 {
 103     return QSize(10,10);
 104 }
 105
 106 QSizePolicy RhythmView::sizePolicy()
 107 {
 108 //      return QWidget::sizePolicy();
 109     return QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Minimum);
 110 }
 111