Example #1
0
bool
ClipObject::commandEditor()
{
  PropertyEditor propertyEditor;
  QMap<QString, QVariantList> plist;
  QVariantList vlist;
  vlist.clear();
  plist["command"] = vlist;


  vlist.clear();
  vlist << QVariant("double");
  vlist << QVariant(m_opacity);
  vlist << QVariant(0.0);
  vlist << QVariant(1.0);
  vlist << QVariant(0.1); // singlestep
  vlist << QVariant(1); // decimals
  plist["opacity"] = vlist;
  
  vlist.clear();
  vlist << QVariant("color");
  Vec pcolor = m_color;
  QColor dcolor = QColor::fromRgbF(pcolor.x,
				   pcolor.y,
				   pcolor.z);
  vlist << dcolor;
  plist["color"] = vlist;
  
  vlist.clear();
  vlist << QVariant("checkbox");
  vlist << QVariant(m_apply);
  plist["apply clipping"] = vlist;

  vlist.clear();
  vlist << QVariant("int");
  vlist << QVariant(m_tfset);
  vlist << QVariant(-1);
  vlist << QVariant(15);
  plist["tfset"] = vlist;

  vlist.clear();
  vlist << QVariant("int");
  vlist << QVariant(m_thickness);
  vlist << QVariant(0);
  vlist << QVariant(200);
  plist["thickness"] = vlist;

  vlist.clear();
  vlist << QVariant("checkbox");
  vlist << QVariant(m_solidColor);
  plist["solid color"] = vlist;

  vlist.clear();
  vlist << QVariant("checkbox");
  vlist << QVariant(m_showSlice);
  plist["show slice"] = vlist;

  vlist.clear();
  vlist << QVariant("checkbox");
  vlist << QVariant(m_showThickness);
  plist["show thickness"] = vlist;

  vlist.clear();
  vlist << QVariant("combobox");
  if (m_viewportType)
    vlist << QVariant(1);
  else
    vlist << QVariant(0);
  vlist << QVariant("orthographic");
  vlist << QVariant("perspective");
  plist["camera type"] = vlist;

  vlist.clear();
  vlist << QVariant("double");
  vlist << QVariant(m_stereo);
  vlist << QVariant(0.0);
  vlist << QVariant(1.0);
  vlist << QVariant(0.1); // singlestep
  vlist << QVariant(1); // decimals
  plist["stereo"] = vlist;
  
  vlist.clear();
  vlist << QVariant("checkbox");
  vlist << QVariant(m_showOtherSlice);
  plist["show other slice"] = vlist;


  QString vpstr = QString("%1 %2 %3 %4").\
                  arg(m_viewport.x()).\
                  arg(m_viewport.y()).\
                  arg(m_viewport.z()).\
                  arg(m_viewport.w());
  vlist.clear();
  vlist << QVariant("string");
  vlist << QVariant(vpstr);
  plist["viewport"] = vlist;

  vlist.clear();
  vlist << QVariant("double");
  vlist << QVariant(m_viewportScale);
  vlist << QVariant(0.5);
  vlist << QVariant(30.0);
  vlist << QVariant(0.1); // singlestep
  vlist << QVariant(1); // decimals
  plist["viewport scale"] = vlist;  


  vlist.clear();
  QFile helpFile(":/clipobject.help");
  if (helpFile.open(QFile::ReadOnly))
    {
      QTextStream in(&helpFile);
      QString line = in.readLine();
      while (!line.isNull())
	{
	  if (line == "#begin")
	    {
	      QString keyword = in.readLine();
	      QString helptext;
	      line = in.readLine();
	      while (!line.isNull())
		{
		  helptext += line;
		  helptext += "\n";
		  line = in.readLine();
		  if (line == "#end") break;
		}
	      vlist << keyword << helptext;
	    }
	  line = in.readLine();
	}
    }
  
  plist["commandhelp"] = vlist;
  
  //---------------------
  vlist.clear();
  QString mesg;
  if (m_scale1 < 0 || m_scale2 < 0)
    mesg += QString("scales : %1 %2\n").arg(-m_scale1).arg(-m_scale2);
  else
    mesg += QString("vscales : %1 %2\n").arg(m_scale1).arg(m_scale2);

  mesg += QString("opacity : %1\n").arg(m_opacity);
  mesg += QString("position : %1 %2 %3\n").			\
    arg(m_position.x).arg(m_position.y).arg(m_position.z);

  Quaternion q = orientation();
  Vec axis;
  qreal angle;
  q.getAxisAngle(axis, angle);
  mesg += QString("rotation : %1 %2 %3 : %4\n").			\
    arg(axis.x).arg(axis.y).arg(axis.z).arg(RAD2DEG(angle));
  
  
  mesg += QString("Red axis : %1 %2 %3\n").		\
    arg(m_xaxis.x).arg(m_xaxis.y).arg(m_xaxis.z);
  mesg += QString("Green axis : %1 %2 %3\n").		\
    arg(m_yaxis.x).arg(m_yaxis.y).arg(m_yaxis.z);
  mesg += QString("Blue axis : %1 %2 %3\n").		\
    arg(m_tang.x).arg(m_tang.y).arg(m_tang.z);
  
  vlist << mesg;
  
  plist["message"] = vlist;
  //---------------------



  QStringList keys;
  keys << "apply clipping";
  keys << "solid color";
  keys << "show slice";
  keys << "show thickness";
  keys << "show other slice";
  keys << "gap";
  keys << "color";
  keys << "opacity";
  keys << "gap";
  keys << "viewport";
  keys << "tfset";
  keys << "thickness";
  keys << "viewport scale";
  keys << "camera type";
  keys << "stereo";
  keys << "gap";
  keys << "command";
  keys << "commandhelp";
  keys << "message";
  
  propertyEditor.set("Clip Plane Dialog", plist, keys);
  
  QMap<QString, QPair<QVariant, bool> > vmap;

  if (propertyEditor.exec() == QDialog::Accepted)
    vmap = propertyEditor.get();
  else
    return true;
	      
  keys = vmap.keys();

  for(int ik=0; ik<keys.count(); ik++)
    {
      QPair<QVariant, bool> pair = vmap.value(keys[ik]);
      
      
      if (pair.second)
	{
	  if (keys[ik] == "color")
	    {
	      QColor color = pair.first.value<QColor>();
	      float r = color.redF();
	      float g = color.greenF();
	      float b = color.blueF();
	      m_color = Vec(r,g,b);
	    }
	  else if (keys[ik] == "opacity")
	    m_opacity = pair.first.toDouble();
	  else if (keys[ik] == "solid color")
	    m_solidColor = pair.first.toBool();
	  else if (keys[ik] == "apply clipping")
	    m_apply = pair.first.toBool();
	  else if (keys[ik] == "show slice")
	    m_showSlice = pair.first.toBool();
	  else if (keys[ik] == "show thickness")
	    m_showThickness = pair.first.toBool();
	  else if (keys[ik] == "show other slice")
	    m_showOtherSlice = pair.first.toBool();
	  else if (keys[ik] == "tfset")
	    m_tfset = pair.first.toInt();
	  else if (keys[ik] == "thickness")
	    m_thickness = pair.first.toInt();
	  else if (keys[ik] == "viewport scale")
	    m_viewportScale = pair.first.toDouble();
	  else if (keys[ik] == "camera type")
	    m_viewportType = (pair.first.toInt() == 1);
	  else if (keys[ik] == "stereo")
	    m_stereo = pair.first.toDouble();
	  else if (keys[ik] == "viewport")
	    {
	      vpstr = pair.first.toString();
	      QStringList list = vpstr.split(" ", QString::SkipEmptyParts);
	      if (list.count() == 4)
		{
		  float x = list[0].toFloat();
		  float y = list[1].toFloat();
		  float z = list[2].toFloat();
		  float w = list[3].toFloat();
		  if (x < 0.0f || x > 1.0f ||
		      y < 0.0f || y > 1.0f ||
		      z < 0.0f || z > 1.0f ||
		      w < 0.0f || w > 1.0f)
		    QMessageBox::information(0, "",
		      QString("Values for viewport must be between 0.0 and 1.0 : %1 %2 %3 %4").\
					     arg(x).arg(y).arg(z).arg(w));
		  else
		    m_viewport = QVector4D(x,y,z,w);
		}
	      else if (list.count() == 3)
		{
		  float x = list[0].toFloat();
		  float y = list[1].toFloat();
		  float z = list[2].toFloat();
		  if (x < 0.0f || x > 1.0f ||
		      y < 0.0f || y > 1.0f ||
		      z < 0.0f || z > 1.0f)
		    QMessageBox::information(0, "",
		      QString("Values for viewport must be between 0.0 and 1.0 : %1 %2 %3").\
					     arg(x).arg(y).arg(z));
		  else
		    m_viewport = QVector4D(x,y,z,z);
		}
	      else if (list.count() == 2)
		{
		  float x = list[0].toFloat();
		  float y = list[1].toFloat();
		  if (x < 0.0f || x > 1.0f ||
		      y < 0.0f || y > 1.0f)
		    QMessageBox::information(0, "",
		      QString("Values for viewport must be between 0.0 and 1.0 : %1 %2").\
					     arg(x).arg(y));
		  else
		    m_viewport = QVector4D(x,y,0.5,0.5);
		}
	      else
		{
		  QMessageBox::information(0, "", "Switching off the viewport");
		  m_viewport = QVector4D(-1,-1,-1,-1);
		}
	    }
	}
    }

  QString cmd = propertyEditor.getCommandString();
  if (!cmd.isEmpty())
    return processCommand(cmd);
  else
    return true;

//  if (propertyEditor.exec() == QDialog::Accepted)
//    {
//      QString cmd = propertyEditor.getCommandString();
//      if (!cmd.isEmpty())
//	return processCommand(cmd);
//    }
//  else
//    return true;
}
Example #2
0
bool
PathGroups::keyPressEvent(QKeyEvent *event)
{
  for(int i=0; i<m_paths.count(); i++)
    {
      if (m_paths[i]->grabsMouse())
	{
	  if (event->key() == Qt::Key_G)
	    {
	      m_paths[i]->removeFromMouseGrabberPool();
	      return true;
	    }
	  if (event->key() == Qt::Key_C)
	    {
	      bool b = m_paths[i]->closed();
	      m_paths[i]->setClosed(!b);
	      return true;
	    }
	  else if (event->key() == Qt::Key_P)
	    {
	      bool b = m_paths[i]->showPoints();
	      m_paths[i]->setShowPoints(!b);    
	      return true;
	    }
	  else if (event->key() == Qt::Key_L)
	    {
	      bool b = m_paths[i]->showLength();
	      m_paths[i]->setShowLength(!b);    
	      return true;
	    }
	  else if (event->key() == Qt::Key_X)
	    {
	      m_paths[i]->setMoveAxis(PathGroupGrabber::MoveX);
	      return true;
	    }
	  else if (event->key() == Qt::Key_Y)
	    {
	      if (event->modifiers() & Qt::ControlModifier ||
		  event->modifiers() & Qt::MetaModifier)
		m_paths[i]->redo();
	      else
		m_paths[i]->setMoveAxis(PathGroupGrabber::MoveY);
	      return true;
	    }
	  else if (event->key() == Qt::Key_Z)
	    {
	      if (event->modifiers() & Qt::ControlModifier ||
		  event->modifiers() & Qt::MetaModifier)
		m_paths[i]->undo();
	      else
		m_paths[i]->setMoveAxis(PathGroupGrabber::MoveZ);
	      return true;
	    }
	  else if (event->key() == Qt::Key_W)
	    {
	      m_paths[i]->setMoveAxis(PathGroupGrabber::MoveAll);
	      return true;
	    }
	  else if (event->key() == Qt::Key_S)
	    {
	      int idx = m_paths[i]->pointPressed();
	      if (idx > -1)
		{
		  float radx = m_paths[i]->getRadX(idx);
		  if (event->modifiers() & Qt::ShiftModifier)
		    radx--;
		  else
		    radx++;
		  radx = qMax(1.0f, radx);
		  m_paths[i]->setRadX(idx, radx, m_sameForAll);
		  return true;
		}
	    }
	  else if (event->key() == Qt::Key_T)
	    {
	      int idx = m_paths[i]->pointPressed();
	      if (idx > -1)
		{
		  float rady = m_paths[i]->getRadY(idx);
		  if (event->modifiers() & Qt::ShiftModifier)
		    rady--;
		  else
		    rady++;
		  rady = qMax(1.0f, rady);
		  m_paths[i]->setRadY(idx, rady, m_sameForAll);
		}
	      else // switch to tube mode
		{
		  if (event->modifiers() & Qt::ShiftModifier)
		    {
		      m_paths[i]->loadCaption();
		    }
		  else
		    {
		      bool b = m_paths[i]->tube();
		      m_paths[i]->setTube(!b);
		    }
		}

	      return true;
	    }
	  else if (event->key() == Qt::Key_A)
	    {
	      int idx = m_paths[i]->pointPressed();
	      if (idx > -1)
		{
		  float a = m_paths[i]->getAngle(idx);
		  if (event->modifiers() & Qt::ShiftModifier)
		    a--;
		  else
		    a++;
		  m_paths[i]->setAngle(idx, a, m_sameForAll);
		  return true;
		}
	    }
	  else if (event->key() == Qt::Key_Delete ||
		   event->key() == Qt::Key_Backspace ||
		   event->key() == Qt::Key_Backtab)
	    {
	      m_paths[i]->removeFromMouseGrabberPool();
	      m_paths.removeAt(i);
	      return true;
	    }

	  if (event->key() == Qt::Key_Space)
	    {
	      PropertyEditor propertyEditor;
	      QMap<QString, QVariantList> plist;

	      QVariantList vlist;

	      vlist.clear();
	      vlist << QVariant("double");
	      vlist << QVariant(m_paths[i]->opacity());
	      vlist << QVariant(0.0);
	      vlist << QVariant(1.0);
	      vlist << QVariant(0.1); // singlestep
	      vlist << QVariant(1); // decimals
	      plist["opacity"] = vlist;

	      vlist.clear();
	      vlist << QVariant("colorgradient");
	      QGradientStops stops = m_paths[i]->stops();
	      for(int s=0; s<stops.size(); s++)
		{
		  float pos = stops[s].first;
		  QColor color = stops[s].second;
		  int r = color.red();
		  int g = color.green();
		  int b = color.blue();
		  int a = color.alpha();
		  vlist << QVariant(pos);
		  vlist << QVariant(r);
		  vlist << QVariant(g);
		  vlist << QVariant(b);
		  vlist << QVariant(a);
		}
	      plist["color"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->filterPathLen());
	      plist["filter on length"] = vlist;

	      float vmin, vmax;
	      m_paths[i]->userPathlenMinmax(vmin, vmax);
	      vlist.clear();
	      vlist << QVariant("string");
	      vlist << QVariant(QString("%1 %2").arg(vmin).arg(vmax));
	      plist["length bounds"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->scaleType());
	      plist["scale type"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->depthcue());
	      plist["depthcue"] = vlist;

	      vlist.clear();
	      vlist << QVariant("int");
	      vlist << QVariant(m_paths[i]->segments());
	      vlist << QVariant(1);
	      vlist << QVariant(100);
	      plist["smoothness"] = vlist;

	      vlist.clear();
	      vlist << QVariant("int");
	      vlist << QVariant(m_paths[i]->sections());
	      vlist << QVariant(1);
	      vlist << QVariant(100);
	      plist["sections"] = vlist;

	      vlist.clear();
	      vlist << QVariant("int");
	      vlist << QVariant(m_paths[i]->sparseness());
	      vlist << QVariant(1);
	      vlist << QVariant(100);
	      plist["sparseness"] = vlist;

	      vlist.clear();
	      vlist << QVariant("int");
	      vlist << QVariant(m_paths[i]->separation());
	      vlist << QVariant(0);
	      vlist << QVariant(10);
	      plist["screen separation"] = vlist;

	      vlist.clear();
	      vlist << QVariant("combobox");
	      vlist << QVariant(m_paths[i]->capType());
	      vlist << QVariant("flat");
	      vlist << QVariant("round");
	      vlist << QVariant("arrow");
	      plist["cap style"] = vlist;

	      vlist.clear();
	      vlist << QVariant("combobox");
	      vlist << QVariant(m_paths[i]->arrowDirection());
	      vlist << QVariant("forward");
	      vlist << QVariant("backward");
	      plist["arrow direction"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->animate());
	      plist["animate"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->allowInterpolate());
	      plist["interpolate"] = vlist;

	      vlist.clear();
	      vlist << QVariant("int");
	      vlist << QVariant(m_paths[i]->animateSpeed());
	      vlist << QVariant(10);
	      vlist << QVariant(100);
	      plist["animation speed"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->arrowForAll());
	      plist["arrows for all"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_sameForAll);
	      plist["same for all"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->clip());
	      plist["clip"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->allowEditing());
	      plist["allow editing"] = vlist;

	      vlist.clear();
	      vlist << QVariant("checkbox");
	      vlist << QVariant(m_paths[i]->blendMode());
	      plist["blend with volume"] = vlist;

	      vlist.clear();
	      plist["command"] = vlist;

	      vlist.clear();
	      QFile helpFile(":/pathgroups.help");
	      if (helpFile.open(QFile::ReadOnly))
		{
		  QTextStream in(&helpFile);
		  QString line = in.readLine();
		  while (!line.isNull())
		    {
		      if (line == "#begin")
			{
			  QString keyword = in.readLine();
			  QString helptext;
			  line = in.readLine();
			  while (!line.isNull())
			    {
			      helptext += line;
			      helptext += "\n";
			      line = in.readLine();
			      if (line == "#end") break;
			    }
			  vlist << keyword << helptext;
			}
		      line = in.readLine();
		    }
		}	      
	      plist["commandhelp"] = vlist;


	      vlist.clear();
	      QString mesg;
	      float pmin, pmax;
	      m_paths[i]->pathlenMinmax(pmin, pmax);
	      mesg = QString("min/max path lengths : %1 %2\n").arg(pmin).arg(pmax);
	      float mins,maxs;
	      mins = m_paths[i]->minScale();
	      maxs = m_paths[i]->maxScale();
	      mesg += QString("min/max scale : %1 %2\n").arg(mins).arg(maxs);
	      vlist << mesg;
	      plist["message"] = vlist;


	      QStringList keys;
	      keys << "color";
	      keys << "opacity";
	      keys << "depthcue";
	      keys << "gap";
	      keys << "filter on length";
	      keys << "length bounds";
	      keys << "scale type";
	      keys << "gap";
	      keys << "smoothness";
	      keys << "sections";
	      keys << "sparseness";
	      keys << "screen separation";
	      keys << "gap";
	      keys << "cap style";
	      keys << "arrow direction";
	      keys << "arrows for all";
	      keys << "gap";
	      keys << "animate";
	      keys << "interpolate";
	      keys << "animation speed";
	      keys << "gap";
	      keys << "same for all";
	      keys << "clip";
	      keys << "blend with volume";
	      keys << "allow editing";
	      keys << "command";
	      keys << "commandhelp";
	      keys << "message";
	      

	      propertyEditor.set("Path Group Parameters", plist, keys);

	      
	      QMap<QString, QPair<QVariant, bool> > vmap;

	      if (propertyEditor.exec() == QDialog::Accepted)
		vmap = propertyEditor.get();
	      else
		return true;

	      keys = vmap.keys();

	      for(int ik=0; ik<keys.count(); ik++)
		{
		  QPair<QVariant, bool> pair = vmap.value(keys[ik]);


		  if (pair.second)
		    {
		      if (keys[ik] == "color")
			{
			  QGradientStops stops = propertyEditor.getGradientStops(keys[ik]);
			  m_paths[i]->setStops(stops);
			}
		      else if (keys[ik] == "opacity")
			m_paths[i]->setOpacity(pair.first.toDouble());
		      else if (keys[ik] == "scale type")
			m_paths[i]->setScaleType(pair.first.toBool());
		      else if (keys[ik] == "sections")
			m_paths[i]->setSections(pair.first.toInt());
		      else if (keys[ik] == "smoothness")
			m_paths[i]->setSegments(pair.first.toInt());
		      else if (keys[ik] == "sparseness")
			m_paths[i]->setSparseness(pair.first.toInt());
		      else if (keys[ik] == "screen separation")
			m_paths[i]->setSeparation(pair.first.toInt());
		      else if (keys[ik] == "depthcue")
			m_paths[i]->setDepthcue(pair.first.toBool());
		      else if (keys[ik] == "animate")
			m_paths[i]->setAnimate(pair.first.toBool());
		      else if (keys[ik] == "interpolate")
			m_paths[i]->setAllowInterpolate(pair.first.toBool());
		      else if (keys[ik] == "animation speed")
			m_paths[i]->setAnimateSpeed(pair.first.toInt());
		      else if (keys[ik] == "cap style")
			m_paths[i]->setCapType(pair.first.toInt());
		      else if (keys[ik] == "arrow direction")
			m_paths[i]->setArrowDirection(pair.first.toInt());
		      else if (keys[ik] == "arrows for all")
			m_paths[i]->setArrowForAll(pair.first.toBool());
		      else if (keys[ik] == "same for all")
			{
			  m_sameForAll = pair.first.toBool();
			  m_paths[i]->setSameForAll(m_sameForAll);
			}
		      else if (keys[ik] == "clip")
			m_paths[i]->setClip(pair.first.toBool());
		      else if (keys[ik] == "allow editing")
			m_paths[i]->setAllowEditing(pair.first.toBool());
		      else if (keys[ik] == "blend with volume")
			m_paths[i]->setBlendMode(pair.first.toBool());
		      else if (keys[ik] == "filter on length")
			m_paths[i]->setFilterPathLen(pair.first.toBool());
		      else if (keys[ik] == "length bounds")
			{
			  QString vstr = pair.first.toString();
			  QStringList vl = vstr.split(" ", QString::SkipEmptyParts);
			  if (vl.count() == 2)
			    m_paths[i]->setUserPathlenMinmax(vl[0].toDouble(),
							     vl[1].toDouble());
			}
		    }
		}

	      QString cmd = propertyEditor.getCommandString();
	      if (!cmd.isEmpty())
		processCommand(i, cmd);	
	      	      
	      updateGL();
	    }
	}
    }
  
  return true;
}
Example #3
0
bool
Grids::keyPressEvent(QKeyEvent *event)
{
  for(int i=0; i<m_grids.count(); i++)
    {
      if (m_grids[i]->grabsMouse())
	{
	  if (event->key() == Qt::Key_P)
	    {
	      bool b = m_grids[i]->showPoints();
	      m_grids[i]->setShowPoints(!b);    
	      return true;
	    }
	  else if (event->key() == Qt::Key_N)
	    {
	      bool b = m_grids[i]->showPointNumbers();
	      m_grids[i]->setShowPointNumbers(!b);    
	      return true;
	    }
	  else if (event->key() == Qt::Key_X)
	    {
	      m_grids[i]->setMoveAxis(GridGrabber::MoveX);
	      return true;
	    }
	  else if (event->key() == Qt::Key_Y)
	    {
	      if (event->modifiers() & Qt::ControlModifier ||
		  event->modifiers() & Qt::MetaModifier)
		m_grids[i]->redo();
	      else
		m_grids[i]->setMoveAxis(GridGrabber::MoveY);
	      return true;
	    }
	  else if (event->key() == Qt::Key_Z)
	    {
	      if (event->modifiers() & Qt::ControlModifier ||
		  event->modifiers() & Qt::MetaModifier)
		m_grids[i]->undo();
	      else
		m_grids[i]->setMoveAxis(GridGrabber::MoveZ);
	      return true;
	    }
	  else if (event->key() == Qt::Key_W)
	    {
	      m_grids[i]->setMoveAxis(GridGrabber::MoveAll);
	      return true;
	    }
	  else if (event->key() == Qt::Key_Delete ||
		   event->key() == Qt::Key_Backspace ||
		   event->key() == Qt::Key_Backtab)
	    {
	      m_grids[i]->removeFromMouseGrabberPool();
	      m_grids.removeAt(i);
	      return true;
	    }
	  
	  if (event->key() == Qt::Key_Space)
	    {
	      PropertyEditor propertyEditor;
	      QMap<QString, QVariantList> plist;

	      QVariantList vlist;

	      vlist.clear();
	      vlist << QVariant("double");
	      vlist << QVariant(m_grids[i]->opacity());
	      vlist << QVariant(0.0);
	      vlist << QVariant(1.0);
	      vlist << QVariant(0.1); // singlestep
	      vlist << QVariant(1); // decimals
	      plist["opacity"] = vlist;

	      vlist.clear();
	      vlist << QVariant("color");
	      Vec pcolor = m_grids[i]->color();
	      QColor dcolor = QColor::fromRgbF(pcolor.x,
					       pcolor.y,
					       pcolor.z);
	      vlist << dcolor;
	      plist["color"] = vlist;

	      vlist.clear();
	      plist["command"] = vlist;


	      vlist.clear();
	      QFile helpFile(":/grids.help");
	      if (helpFile.open(QFile::ReadOnly))
		{
		  QTextStream in(&helpFile);
		  QString line = in.readLine();
		  while (!line.isNull())
		    {
		      if (line == "#begin")
			{
			  QString keyword = in.readLine();
			  QString helptext;
			  line = in.readLine();
			  while (!line.isNull())
			    {
			      helptext += line;
			      helptext += "\n";
			      line = in.readLine();
			      if (line == "#end") break;
			    }
			  vlist << keyword << helptext;
			}
		      line = in.readLine();
		    }
		}	      
	      plist["commandhelp"] = vlist;

	      QStringList keys;
	      keys << "color";
	      keys << "opacity";
	      keys << "gap";
	      keys << "command";
	      keys << "commandhelp";
	      

	      propertyEditor.set("Grid Parameters", plist, keys);

	      
	      QMap<QString, QPair<QVariant, bool> > vmap;

	      if (propertyEditor.exec() == QDialog::Accepted)
		vmap = propertyEditor.get();
	      else
		return true;
	      
	      keys = vmap.keys();

	      for(int ik=0; ik<keys.count(); ik++)
		{
		  QPair<QVariant, bool> pair = vmap.value(keys[ik]);


		  if (pair.second)
		    {
		      if (keys[ik] == "color")
			{
			  QColor color = pair.first.value<QColor>();
			  float r = color.redF();
			  float g = color.greenF();
			  float b = color.blueF();
			  pcolor = Vec(r,g,b);
			  m_grids[i]->setColor(pcolor);
			}
		      else if (keys[ik] == "opacity")
			m_grids[i]->setOpacity(pair.first.toDouble());
		    }
		}

	      QString cmd = propertyEditor.getCommandString();
	      if (!cmd.isEmpty())
		processCommand(i, cmd);	
	      
 	      emit updateGL();
	    }
	}
    }
  
  return true;
}