git.maemo.org Git - mardrone/blob - mardrone/gauges/gaugelabel.cpp

   1 #include "gaugelabel.h"
   2 #include <QDebug>
   3 #include <math.h>
   4
   5 GaugeLabel::GaugeLabel(QGraphicsItem *parent) :
   6     Gauge(parent)
   7 {
   8     m_textSize=20;
   9 }
  10
  11 void GaugeLabel::paint(QPainter *painter,const QStyleOptionGraphicsItem *option,
  12                        QWidget *widget)
  13 {
  14     drawNumLabel(painter);
  15 };
  16 //////////////////////////////////////////////////////////////////////////
  17 void GaugeLabel::drawNumLabel(QPainter *painter)
  18 {
  19   int ld,ldo,ud,fh;
  20   int lDigits,lWidth;
  21   int vsplit,hsplit,uw,base;
  22   char text[50]="";
  23   QString  utext;
  24   int h=size().height();
  25   int w=size().width();
  26   int val=m_value;
  27   painter->save();
  28   painter->setTransform(QTransform().translate(scenePos().x(),scenePos().y()).scale(m_scale,m_scale));
  29  // qDebug() <<"drawnumlabel=" << m_name << " x=" << scenePos().x() << " y=" << scenePos().y() <<  " h=" << h << " w=" << w;
  30   QFontMetrics fm(m_font);
  31   painter->setFont(m_font);
  32   if(m_style&SCROLL) {
  33       lDigits=m_tickMinor;
  34       int lIncr=(lDigits&1?10:1)*(lDigits&2?100:1)*(lDigits&4?10000:1);
  35       lWidth=fm.width(QString().number(lIncr-1));
  36
  37
  38     ld=abs(val%(lIncr));
  39     ud=val/(lIncr);
  40     ldo=lDigits>1?ld%10:0;
  41
  42
  43
  44     utext=QString("%1").arg(ud,3);
  45     hsplit=lWidth+10;
  46
  47     uw=fm.width(utext);
  48     fh=fm.ascent();
  49     float lo=(fmod(m_value,lIncr/10)/lIncr)*fh*10;
  50     vsplit=(h-fm.ascent()-8)/2;
  51     base=fm.ascent()+vsplit;
  52     drawFrame(painter, m_style,hsplit,vsplit);
  53 //    qDebug("val=%f ld=%d ldo=%d lo=%f h=%d lDigits=%d lIncr=%d\n",m_value,ld,ldo,lo,h,lDigits,lIncr);
  54     if((ld*10/lIncr)==9) {
  55         ud=(val+lIncr/2)/(lIncr);
  56         painter->drawText(w-hsplit- uw, base+lo,   QString("%1").arg(abs(ud-1),3));
  57         painter->drawText(w-hsplit- uw, base-fh+lo,QString("%1").arg(abs(ud  ),3) );
  58     } else painter->drawText(w-hsplit- uw, base,utext );
  59     painter->drawText(w-hsplit, base +2*fh+lo, QString("%1").arg(abs(ld-ldo-2*lIncr/10+lIncr)%lIncr,lDigits,10,QLatin1Char('0')));
  60     painter->drawText(w-hsplit, base +fh  +lo, QString("%1").arg(abs(ld-ldo-  lIncr/10+lIncr)%lIncr,lDigits,10,QLatin1Char('0')));
  61     painter->drawText(w-hsplit, base      +lo, QString("%1").arg(abs(ld-ldo),lDigits,10,QLatin1Char('0')));
  62     painter->drawText(w-hsplit, base -fh  +lo ,QString("%1").arg(abs((ld-ldo+  lIncr/10)%lIncr),lDigits,10,QLatin1Char('0')));
  63     painter->drawText(w-hsplit, base -2*fh+lo ,QString("%1").arg(abs((ld-ldo+2*lIncr/10)%lIncr),lDigits,10,QLatin1Char('0')));
  64
  65
  66   } else {
  67     sprintf(text, "%3d", val);
  68     painter->drawText(7,base + fh , text);
  69   //  drawLabel(painter, text,m_style);
  70   }
  71   painter->restore();  // Restore and remove clicping rectabgle
  72 }
  73
  74 ///////////////////////////////////////////////////////////////////////////
  75 void GaugeLabel::drawFrame(QPainter *painter,int style,int hsplit,int vsplit)
  76 {
  77   int textlen = 0, i = 0;
  78   int xplace=0;
  79   int yplace=0;
  80   int height=size().height();
  81   int width=size().width();
  82
  83  // qDebug() << "height=" << height << " width=" << width << " hsplit=" << hsplit << " vsplit=" << vsplit;
  84
  85   QVector<QPoint> nboxv;
  86
  87   QPen pen(m_color);
  88   painter->setPen(pen);
  89
  90
  91   if (style&7 == LEFT) xplace+=5;
  92
  93   nboxv.push_back(QPoint(xplace,yplace+vsplit));
  94
  95
  96
  97   if (style&7 == UP) {
  98     nboxv.push_back(QPoint(xplace+(width/2)-5,yplace  ));
  99     nboxv.push_back(QPoint(xplace+(width/2)  ,yplace-5));
 100     nboxv.push_back(QPoint(xplace+(width/2)+5,yplace  ));
 101   }
 102
 103   if (style&SCROLL) {
 104     nboxv.push_back(QPoint(xplace+width-hsplit,yplace+vsplit));
 105     nboxv.push_back(QPoint(xplace+width-hsplit,yplace));
 106     nboxv.push_back(QPoint(xplace+width,yplace));
 107   } else
 108     nboxv.push_back(QPoint(xplace+width,yplace  ));
 109
 110
 111   if (style&7== RIGHT) {
 112
 113     nboxv.push_back(QPoint(xplace+width  ,yplace+(height/2)-5));
 114     nboxv.push_back(QPoint(xplace+width+5,yplace+(height/2)  ));
 115     nboxv.push_back(QPoint(xplace+width  ,yplace+(height/2)+5));
 116   }
 117
 118   if (style&SCROLL) {
 119     nboxv.push_back(QPoint(xplace+width,yplace+height));
 120     nboxv.push_back(QPoint(xplace+width-hsplit,yplace+height));
 121     nboxv.push_back(QPoint(xplace+width-hsplit,yplace+height-vsplit));
 122   } else
 123     nboxv.push_back(QPoint(xplace,yplace+height-vsplit));
 124
 125   if (style&7== DOWN) {
 126     nboxv.push_back(QPoint(xplace+(width/2)-5,yplace+height));
 127     nboxv.push_back(QPoint(xplace+(width/2)  ,yplace+height+5));
 128     nboxv.push_back(QPoint(xplace+(width/2)+5,yplace+height));
 129   }
 130
 131   nboxv.push_back(QPoint(xplace,yplace+height-vsplit));
 132
 133   if (style&7 == LEFT) {
 134     nboxv.push_back(QPoint(xplace  ,yplace+(height/2)+5));
 135     nboxv.push_back(QPoint(xplace-5,yplace+(height/2)  ));
 136     nboxv.push_back(QPoint(xplace  ,yplace+(height/2)-5));
 137   }
 138
 139   nboxv.push_back(QPoint(xplace,yplace+vsplit));
 140
 141   //  pdrawable->draw_rectangle(pwidget->get_style()->get_black_gc(),
 142   //                        true, xplace, yplace, width, height);
 143
 144   if (style&SCROLL) {
 145
 146         painter->setClipRect(QRect(xplace+width-hsplit,yplace, width+10, height+1));
 147         painter->setClipRect(QRect(xplace-5,yplace+vsplit, width+10, height-2*vsplit+1),Qt::UniteClip);
 148     //  painter->drawRect(QRect(xplace-5,yplace, width+10, height));
 149    }
 150
 151   //  QFont tapeFont("Helvetica [Cronyx]", 18);
 152   //  painter->setFont(tapeFont);
 153   //  painter->setPen(pen);
 154   QBrush brush(m_backColor);
 155   painter->setBrush(brush);
 156
 157   painter->drawPolygon(nboxv);
 158
 159   painter->drawLines(nboxv);
 160  /* QPen redpen(Qt::red);
 161   painter->setPen(redpen);
 162   int ii=0;
 163  foreach (QPoint p,nboxv) {
 164       qDebug() << ii << p;
 165       painter->drawText(p, QString().number(ii++));
 166
 167   }*/
 168
 169 }
 170