orte/contrib/shape/ViewFrm.cpp

   1 /****************************************************************
   2 **
   3 ** Implementation View_Frame class
   4 **
   5 ****************************************************************/
   6
   7 #include "ViewFrm.h"
   8 #include <qpainter.h>
   9 #include <qstring.h>
  10
  11 View_Frame::View_Frame( QWidget *parent, const char *name )
  12         : QWidget( parent, name )
  13 {
  14         setBackgroundColor(QColor( 255, 255, 255)  );
  15         m_mousePressed=0;
  16 }
  17
  18 void View_Frame::SetActiveObject(char object)
  19 {
  20   active_object[object]=1;
  21 }
  22
  23
  24 void View_Frame::ShapeColorRect(char object,char shape,char color,QRect rect)
  25 {
  26         m_shape[object]=shape;
  27
  28         switch(color)
  29         {
  30         case BLUE:
  31                 m_shapeColor[object]=QColor(0,0,255);
  32                 break;
  33         case GREEN:
  34                 m_shapeColor[object]=QColor(0,255,0);
  35                 break;
  36         case RED:
  37                 m_shapeColor[object]=QColor(255,0,0);
  38                 break;
  39         case BLACK:
  40                 m_shapeColor[object]=QColor(0,0,0);
  41                 break;
  42         }
  43
  44         m_shapeRect[object]=rect;
  45         repaint();
  46 }
  47
  48 void View_Frame::paintEvent(QPaintEvent*)
  49 {
  50         QPainter p(this);
  51
  52         for(int i=0;i<5;i++) {
  53             if (!active_object[i]) continue;
  54             p.setBrush(m_shapeColor[i]);
  55             p.setPen(NoPen);
  56             switch(m_shape[i])
  57             {
  58             case RECTANGLE:
  59                 p.drawRect(m_shapeRect[i]);
  60                 break;
  61             case ELLIPSE:
  62                 p.drawEllipse(m_shapeRect[i]);
  63                 break;
  64             case TRIANGLE:
  65                 QPointArray pt(3);
  66                 pt.putPoints(0,3, m_shapeRect[i].center().x(),m_shapeRect[i].top(),
  67                                   m_shapeRect[i].right(),m_shapeRect[i].bottom(),
  68                                   m_shapeRect[i].left(),m_shapeRect[i].bottom());
  69                 p.drawPolygon(pt);
  70                 break;
  71             }
  72             QString strPos;
  73             strPos="X:" + QString::number(m_shapeRect[i].center().x())+
  74                    "  Y:"+QString::number(m_shapeRect[i].center().y());
  75             p.drawText(m_shapeRect[i].left()-(70-m_shapeRect[i].width())/2,m_shapeRect[i].top()-1,strPos);
  76         }
  77
  78 }
  79
  80 void View_Frame::mouseMoveEvent(QMouseEvent *e)
  81 {
  82         if(m_mousePressed==0) return;
  83
  84         m_mouseX=e->pos().x();
  85         m_mouseY=e->pos().y();
  86 }
  87
  88 void View_Frame::mousePressEvent ( QMouseEvent * e)
  89 {
  90         m_mousePressed=1;
  91         m_mouseX=e->pos().x();
  92         m_mouseY=e->pos().y();
  93 }
  94
  95 void View_Frame::mouseReleaseEvent ( QMouseEvent * )
  96 {
  97         m_mousePressed=0;
  98 }