C++ TCanvas::SetEditable方法代码示例

void NLSimpleGuiWindow::zoomModelPreview( double factor )
{
  TQtWidget *qtWidget = ui->m_modelDisplayWidget;
  QScrollArea *scrollArea = ui->m_modelDisplayScrollArea;
  TCanvas *can = qtWidget->GetCanvas();
  can->SetEditable( kTRUE );
  can->Update(); //need this or else TCanvas won't have updated axis range

  double xmin, xmax, ymin, ymax;
  can->GetRangeAxis( xmin, ymin, xmax, ymax );
  const double nMinutes = xmax - xmin;

  if( nMinutes > 1 )
  {
    int canvasWidth = qtWidget->width();
    int scrollAreaWidth = scrollArea->width();

    int newWidth = factor * canvasWidth;
    newWidth = max(newWidth, scrollAreaWidth);
    newWidth = min(newWidth, 5*scrollAreaWidth);

    if( newWidth == scrollAreaWidth )
       scrollArea->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
    else scrollArea->setHorizontalScrollBarPolicy ( Qt::ScrollBarAsNeeded );

    int h = scrollArea->height() - scrollArea->verticalScrollBar()->height();
    qtWidget->setMinimumSize( newWidth, h );
    qtWidget->setMaximumSize( newWidth, h );
  }//if( nMinutes > 1 )

  can->Update();
  can->SetEditable( kFALSE );
}//void NLSimpleGuiWindow::zoomModelPreview( double factor )

void greyscale()
{
   TCanvas *c = new TCanvas("grey", "Grey Scale", 500, 500);
   c->SetBorderMode(0);

   Int_t   n = 200;   // tunable parameter
   Float_t n1 = 1./n;
   for (int i = 0; i < n; i++) {
      for (int j = 0; j < n; j++) {
         TBox *b = new TBox(n1*j, n1*(n-1-i), n1*(j+1), n1*(n-i));
         Float_t grey = Float_t(i*n+j)/(n*n);
         b->SetFillColor(TColor::GetColor(grey, grey, grey));
         b->Draw();
      }
   }
   TPad *p = new TPad("p","p",0.3, 0.3, 0.7,0.7);
   const char *guibackground = gEnv->GetValue("Gui.BackgroundColor", "");
   p->SetFillColor(TColor::GetColor(guibackground));
   p->Draw();
   p->cd();
   TText *t = new TText(0.5, 0.5, "GUI Background Color");
   t->SetTextAlign(22);
   t->SetTextSize(.09);
   t->Draw();

   c->SetEditable(kFALSE);
}

TCanvas *NLSimpleGuiWindow::getModelCanvas()
{
  ui->tabWidget->setCurrentWidget(ui->modelDisplyTab);
  TCanvas *can = ui->m_modelDisplayWidget->GetCanvas();
  can->cd();
  can->SetEditable( kTRUE );

  return can;
}//TVirtualPad *NLSimpleGuiWindow::getModelCanvas()

void NLSimpleGuiWindow::drawSelectedCustomEvent()
{
  const int index = getIdOfSelectedCustomEvent();
  NLSimple::EventDefMap &evDefMap = m_model->m_customEventDefs;

  //Make sure we have something selected
  if( evDefMap.find(index) == evDefMap.end() ) return;

  ui->tabWidget->setCurrentWidget(ui->customEventsTab);
  TCanvas *can = ui->customEventDisplay->GetCanvas();
  can->cd();
  can->SetEditable( kTRUE );
  cleanCanvas( can, "TFrame" ); //lets ovoid memmory clutter

  evDefMap[index].draw();

  can->SetEditable( kFALSE );
  can->Update();
}//void NLSimpleGuiWindow::drawSelectedCustomEvent()

void NLSimpleGuiWindow::drawEquations()
{
  TCanvas *can = ui->m_mathFormulaWidget->GetCanvas();
  can->cd();
  can->SetEditable( kTRUE );
  m_equationPt->Clear();
  vector<string> eqns = m_model->getEquationDescription();

  foreach( const string &s, eqns ) m_equationPt->AddText( s.c_str() );

  m_equationPt->Draw();

  //need to make ROOTupdate gPad now
  can->Update();
  can->SetEditable( kFALSE );


  can->SetEditable( kFALSE );
  can->Update();
}// void NLSimpleGuiWindow::drawEquations()

void NLSimpleGuiWindow::drawModel()
{
  TCanvas *can = getModelCanvas();
  cleanCanvas( can, "TFrame" ); //lets ovoid memmory clutter

  PosixTime endTime = qtimeToPosixTime( ui->endDisplayTime->dateTime() );
  PosixTime startTime = qtimeToPosixTime( ui->startDisplayTime->dateTime() );

  TimeDuration deltaGeneric = (endTime-kGenericT0);
  if( deltaGeneric.is_negative() ) deltaGeneric = -deltaGeneric;
  if( deltaGeneric < TimeDuration(0,0,2,0) ) endTime = kGenericT0;

  deltaGeneric = (startTime-kGenericT0);
  if( deltaGeneric.is_negative() ) deltaGeneric = -deltaGeneric;
  if( deltaGeneric < TimeDuration(0,0,2,0) ) startTime = kGenericT0;


  m_model->draw( false, startTime, endTime );
  can->SetEditable( kFALSE );
  can->Update();
}//void NLSimpleGuiWindow::drawModel()

void NLSimpleGuiWindow::drawClarkAnalysis( const ConsentrationGraph &xGraph,
                                           const ConsentrationGraph &yGraph,
                                           bool isCgmsVMeter )
{
  ui->tabWidget->setCurrentWidget(ui->clarkeGridTab);
  cleanupClarkAnalysis();

  TimeDuration cmgsDelay(0,0,0,0);

  if( isCgmsVMeter )
  {
    TCanvas *can = ui->clarkResultsWidget->GetCanvas();
    can->cd();
    can->SetEditable( kTRUE );
    TPaveText *delayErrorEqnPt = new TPaveText(0, 0, 1.0, 1.0, "NDC");
    delayErrorEqnPt->SetBorderSize(0);
    delayErrorEqnPt->SetTextAlign(12);
    cmgsDelay = m_model->findCgmsDelayFromFingerStick();
    double sigma = 1000.0 * m_model->findCgmsErrorFromFingerStick(cmgsDelay);
    sigma = static_cast<int>(sigma + 0.5) / 10.0; //nearest tenth of a percent

    string delayStr = "Delay=";
    delayStr += boost::posix_time::to_simple_string(cmgsDelay).substr(3,5);
    delayStr += "   ";
    ostringstream uncertDescript;
    uncertDescript << "#sigma_{cgms}^{finger}=" << sigma << "%";

    delayErrorEqnPt->AddText( uncertDescript.str().c_str() );
    delayErrorEqnPt->AddText( delayStr.c_str() );
    delayErrorEqnPt->Draw();
    can->SetEditable( kFALSE );
    can->Update();
  }//if( isCgmsVMeter )


  TCanvas *can = ui->clarkeErrorGridWidget->GetCanvas();
  can->cd();
  can->SetEditable( kTRUE );
  vector<TObject *> clarkesObj;
  clarkesObj = getClarkeErrorGridObjs( yGraph, xGraph, cmgsDelay, true );

  assert( dynamic_cast<TH1 *>(clarkesObj[0]) );
  dynamic_cast<TH1 *>(clarkesObj[0])->GetYaxis()->SetTitleOffset(1.3);

  clarkesObj[0]->Draw("SCAT");
  clarkesObj[1]->Draw("SCAT SAME");
  clarkesObj[2]->Draw("SCAT SAME");
  clarkesObj[3]->Draw("SCAT SAME");
  clarkesObj[4]->Draw("SCAT SAME");
  TLegend *leg = dynamic_cast<TLegend *>( clarkesObj[5] );
  assert( leg );

  //Now draw all the boundry lines
  for( size_t i=6; i < clarkesObj.size(); ++i ) clarkesObj[i]->Draw();
  can->SetEditable( kFALSE );
  can->Update();
  // can->ResizePad();
  // ui->clarkeErrorGridWidget->Refresh();

  can = ui->clarkeLegendWidget->GetCanvas();
  can->cd();
  leg->SetX1(-0.1);
  leg->SetX2(1.1);
  leg->SetY1(0.0);
  leg->SetY2(1.0);
  leg->Draw();
  can->SetEditable( kFALSE );
  can->Update();
}// void NLSimpleGuiWindow::drawPredictedClarkAnalysis()

NLSimpleGuiWindow::NLSimpleGuiWindow( NLSimple *model, QWidget *parent)
    : QMainWindow(parent), ui(new Ui::NLSimpleGuiWindow), m_model(model),
      m_ownsModel(model==NULL), m_fileName(""), m_equationPt(NULL),
      m_programOptionsGui(NULL)
{
  ui->setupUi(this);
  if( !m_model ) openNewModel();
  if( !m_model ) quit();

  QMenu *fileMenu = ui->menuBar->addMenu( "&File" );
  QAction *newAction = fileMenu->addAction( "&new model" );
  QAction *openAction = fileMenu->addAction( "&open file" );
  QAction *saveAction = fileMenu->addAction( "&save" );
  QAction *saveAsAction = fileMenu->addAction( "save &as" );
  QAction *quitAction = fileMenu->addAction( "&quit" );

  connect( newAction, SIGNAL(triggered()), this, SLOT(openNewModel()) );
  connect( openAction, SIGNAL(triggered()), this, SLOT(openExistingModel()) );
  connect( saveAction, SIGNAL(triggered()), this, SLOT(saveModel()) );
  connect( saveAsAction, SIGNAL(triggered()), this, SLOT(saveModelAs()) );
  connect( quitAction, SIGNAL(triggered()), this, SLOT(quit()) );


  TCanvas *can = ui->m_mathFormulaWidget->GetCanvas();
  can->cd();
  can->SetEditable( kTRUE );
  m_equationPt = new TPaveText(0, 0, 1.0, 1.0, "NDC");
  m_equationPt->SetBorderSize(0);
  m_equationPt->SetTextAlign(12);
  m_equationPt->Draw();
  can->SetEditable( kFALSE );
  can->Update();


  //Add a button group so CLarke Error Grid buttons are mutually exclusive
  m_clarkeButtonGroup = new QButtonGroup( this );
  m_clarkeButtonGroup->addButton( ui->clarkCgmsVMeterRadioButton, 0 );
  m_clarkeButtonGroup->addButton( ui->clarkePredVCGMSRadioButton, 1 );
  ui->clarkCgmsVMeterRadioButton->setChecked(true);
  connect( m_clarkeButtonGroup, SIGNAL(buttonClicked(int)),
          this, SLOT(refreshClarkAnalysis()) );

  //Make so Clarke Grid displays nice
  can = ui->clarkeErrorGridWidget->GetCanvas();
  can->cd();
  can->Range(-45.17185,-46.4891,410.4746,410.6538);
  can->SetFillColor(0);
  can->SetBorderMode(0);
  can->SetBorderSize(2);
  can->SetRightMargin(0.031);
  can->SetTopMargin(0.024);
  can->SetFrameBorderMode(0);

  QTabWidget *tw = ui->tabWidget;
  tw->setTabText( tw->indexOf(ui->modelDisplyTab), "Display"    );
  tw->setTabText( tw->indexOf(ui->optionsTab),     "Options"    );
  tw->setTabText( tw->indexOf(ui->clarkeGridTab),  "Error Grid" );
  tw->setTabText( tw->indexOf(ui->customEventsTab),  "Custom Events" );

  ui->endDisplayTime->setCalendarPopup(true);
  ui->startDisplayTime->setCalendarPopup(true);
  // ui->endDisplayTime->setDisplayFormat("MMM dd yy hh:mm AP");
  // ui->startDisplayTime->setDisplayFormat("MMM dd yy hh:mm AP");

  ui->tabWidget->setCurrentWidget(ui->customEventsTab);
  m_customEventList = new QStandardItemModel(this/*ui->customEventLayout*/);

  ui->customEventView->setModel(m_customEventList);
  ui->customEventView->setShowGrid(false);
  ui->customEventView->setAlternatingRowColors(true);
  ui->customEventView->horizontalHeader()->setHidden(false);


  connect( ui->geneticOptimizeButton, SIGNAL(clicked()), this, SLOT(doGeneticOptimization()) );
  connect( ui->baysianFineTuneButton, SIGNAL(clicked()), this, SLOT(doMinuit2Fit())          );
  connect( ui->addCgmsButton,         SIGNAL(clicked()), this, SLOT(addCgmsData())           );
  connect( ui->addMealDataButton,     SIGNAL(clicked()), this, SLOT(addCarbData())           );
  connect( ui->addMeterDataButton,    SIGNAL(clicked()), this, SLOT(addMeterData())          );
  connect( ui->addCustonDataBustom,   SIGNAL(clicked()), this, SLOT(addCustomEventData())    );
  connect( ui->redrawButton,          SIGNAL(clicked()), this, SLOT(drawModel())             );
  connect( ui->zoomIn,                SIGNAL(clicked()), this, SLOT(zoomModelPreviewPlus())  );
  connect( ui->zoomOut,               SIGNAL(clicked()), this, SLOT(zoomModelPreviewMinus()) );
  connect( ui->zoomIn,                SIGNAL(clicked()), this, SLOT(zoomModelPreviewPlus())  );
  connect( ui->endDisplayTime,        SIGNAL(dateTimeChanged(QDateTime)), this, SLOT(checkDisplayTimeLimitsConsistency()) );
  connect( ui->startDisplayTime,      SIGNAL(dateTimeChanged(QDateTime)), this, SLOT(checkDisplayTimeLimitsConsistency()) );
  connect( ui->endDisplayTime,        SIGNAL(editingFinished()), this, SLOT(drawModel())    );
  connect( ui->startDisplayTime,      SIGNAL(editingFinished()), this, SLOT(drawModel())    );
  connect( ui->addCustomEventButton,  SIGNAL(clicked()),         this, SLOT(addCustomEventDef())    );
  connect( ui->deleteCustoEvenButton, SIGNAL(clicked()),         this, SLOT(deleteCustomEventDef()) );
  connect( ui->customEventView,       SIGNAL(clicked(QModelIndex)), this, SLOT(drawSelectedCustomEvent()) );
  init();
}//NLSimpleGuiWindow constructor