orte/contrib/shape/MyQFrame.cpp

   1 /****************************************************************
   2 **
   3 ** Implementation MyQFrame class
   4 **
   5 ****************************************************************/
   6
   7 #include "MyQFrame.h"
   8 #include <QPolygon>
   9 #include <QMouseEvent>
  10 #include <QPaintEvent>
  11
  12 MyQFrame::MyQFrame( QWidget *parent)
  13         : QFrame( parent)
  14 {
  15     mousePressed=0;
  16     objects[0]=objects[1]=objects[2]=objects[3]=objects[4]=0;
  17 }
  18
  19
  20 void MyQFrame::activateObject(int object,int color, int shape) {
  21     if (object>4) return;
  22     objects[object]=1;
  23     switch(color) {
  24         case 0:colors[object]=QColor(0,0,255);break;
  25         case 1:colors[object]=QColor(0,255,0);break;
  26         case 2:colors[object]=QColor(255,0,0);break;
  27         case 3:colors[object]=QColor(0,0,0);break;
  28         case 4:colors[object]=QColor(255,255,0);break;
  29     }
  30     shapes[object]=shape;
  31 }
  32
  33 void MyQFrame::deactivateObject(int object) {
  34     if (object>4) return;
  35     objects[object]=0;
  36     update();
  37 }
  38
  39 void MyQFrame::setPosition(int object,QRect position) {
  40     positions[object]=position;
  41     update();
  42 }
  43
  44 void MyQFrame::paintEvent(QPaintEvent*)
  45 {
  46     QPainter p(this);
  47
  48     for(int i=0;i<5;i++) {
  49         if (!objects[i]) continue;
  50         p.setBrush(colors[i]);
  51         p.setPen(Qt::NoPen);
  52         switch(shapes[i]){
  53             case 0://rectangle
  54                 p.drawRect(positions[i]);
  55                 break;
  56             case 1: //ellipse
  57                 p.drawEllipse(positions[i]);
  58                 break;
  59             case 2: //triangle
  60                 QPolygon pt;
  61                 pt.putPoints(0,3, positions[i].center().x(),positions[i].top(),
  62                                   positions[i].right(),positions[i].bottom(),
  63                                   positions[i].left(),positions[i].bottom());
  64                 p.drawPolygon(pt);
  65                 break;
  66         }
  67         QString strPos;
  68         strPos="X:" + QString::number(positions[i].center().x())+" " +
  69                "Y:"+QString::number(positions[i].center().y());
  70         p.drawText(positions[i].left()-(70-positions[i].width())/2,positions[i].top()-1,strPos);
  71     }
  72
  73 }
  74
  75 void MyQFrame::mouseMoveEvent(QMouseEvent *e)
  76 {
  77     if(mousePressed==0) return;
  78     mouseX=e->pos().x();
  79     mouseY=e->pos().y();
  80 }
  81
  82 void MyQFrame::mousePressEvent (QMouseEvent *e)
  83 {
  84     mousePressed=1;
  85     mouseX=e->pos().x();
  86     mouseY=e->pos().y();
  87 }
  88
  89 void MyQFrame::mouseReleaseEvent (QMouseEvent *)
  90 {
  91     mousePressed=0;
  92 }