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::SetShape(char shape)
  19 {
  20         m_shape=shape;
  21 }
  22
  23 void View_Frame::SetShapeColor(char color)
  24 {
  25         switch(color)
  26         {
  27         case BLUE:
  28                 m_shapeColor=QColor(0,0,255);
  29                 break;
  30         case GREEN:
  31                 m_shapeColor=QColor(0,255,0);
  32                 break;
  33         case RED:
  34                 m_shapeColor=QColor(255,0,0);
  35                 break;
  36         case BLACK:
  37                 m_shapeColor=QColor(0,0,0);
  38                 break;
  39         }
  40 }
  41
  42 void View_Frame::SetShapeRect(QRect rect)
  43 {
  44         m_shapeRect=rect;
  45         repaint();
  46 }
  47
  48 void View_Frame::paintEvent(QPaintEvent*)
  49 {
  50         QPainter p(this);
  51
  52         p.setBrush(m_shapeColor);
  53         p.setPen(NoPen);
  54
  55
  56         switch(m_shape)
  57         {
  58         case RECTANGLE:
  59                 p.drawRect(m_shapeRect);
  60                 break;
  61         case ELLIPSE:
  62                 p.drawEllipse(m_shapeRect);
  63                 break;
  64         case TRIANGLE:
  65                 QPointArray pt(3);
  66                 pt.putPoints(0,3, m_shapeRect.center().x(),m_shapeRect.top(), m_shapeRect.right(),m_shapeRect.bottom(), m_shapeRect.left(),m_shapeRect.bottom());
  67                 p.drawPolygon(pt);
  68                 break;
  69         }
  70
  71         QString strPos;
  72
  73         strPos="X:" + QString::number(m_shapeRect.center().x())+"  Y:"+QString::number(m_shapeRect.center().y());
  74
  75         p.drawText(m_shapeRect.left()-(70-m_shapeRect.width())/2,m_shapeRect.top()-1,strPos);
  76 }
  77
  78 void View_Frame::mouseMoveEvent(QMouseEvent *e)
  79 {
  80         if(m_mousePressed==0) return;
  81
  82         m_mouseX=e->pos().x();
  83         m_mouseY=e->pos().y();
  84 }
  85
  86 void View_Frame::mousePressEvent ( QMouseEvent * e)
  87 {
  88         m_mousePressed=1;
  89         m_mouseX=e->pos().x();
  90         m_mouseY=e->pos().y();
  91 }
  92
  93 void View_Frame::mouseReleaseEvent ( QMouseEvent * )
  94 {
  95         m_mousePressed=0;
  96 }