//
// The (chart-level) implementation of tracing charts
//
TracingEngine::TracingEngine(Chart *chart)
{
QwtPlotPicker *picker = chart->my.picker;
my.chart = chart;
my.chart->my.style = Chart::EventStyle;
my.scaleDraw = new TracingScaleDraw(this);
chart->setAxisScaleDraw(QwtPlot::yLeft, my.scaleDraw);
my.scaleEngine = new TracingScaleEngine(this);
chart->setAxisScaleEngine(QwtPlot::yLeft, my.scaleEngine);
// use a rectangular point picker for event tracing
picker->setStateMachine(new QwtPickerDragRectMachine());
picker->setRubberBand(QwtPicker::RectRubberBand);
picker->setRubberBandPen(QColor(Qt::green));
}
/** Plot class contructor. */
AmplitudePlot::AmplitudePlot(QWidget* parent)
: QWidget(parent), _ui(new Ui::AmplitudePlotForm) {
_ui->setupUi(this);
QwtPlot* p = _ui->plot;
p->setCanvasBackground(QColor(Qt::white));
// We don't need the cache here
p->canvas()->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
p->canvas()->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);
// Axis
p->setAxisTitle(QwtPlot::xBottom, "Ticks");
p->setAxisTitle(QwtPlot::yLeft, "Height");
QwtPlotPicker* picker = new QwtPlotPicker(QwtPlot::xBottom, QwtPlot::yLeft,
QwtPicker::PointSelection | QwtPicker::DragSelection,
QwtPlotPicker::CrossRubberBand, QwtPicker::AlwaysOn,
p->canvas());
picker->setRubberBandPen(QColor(Qt::darkGreen));
picker->setRubberBand(QwtPicker::CrossRubberBand);
picker->setTrackerPen(QColor(Qt::darkGreen));
}
//
// The SamplingEngine implements all sampling-specific Chart behaviour
//
SamplingEngine::SamplingEngine(Chart *chart, pmDesc &desc)
{
QwtPlotPicker *picker = chart->my.picker;
ChartEngine *engine = chart->my.engine;
my.chart = chart;
my.rateConvert = engine->rateConvert();
my.antiAliasing = engine->antiAliasing();
normaliseUnits(desc);
my.units = desc.units;
my.scaleEngine = new SamplingScaleEngine();
chart->setAxisScaleEngine(QwtPlot::yLeft, my.scaleEngine);
chart->setAxisScaleDraw(QwtPlot::yLeft, new QwtScaleDraw());
// use an individual point picker for sampled data
picker->setStateMachine(new QwtPickerDragPointMachine());
picker->setRubberBand(QwtPicker::CrossRubberBand);
picker->setRubberBandPen(QColor(Qt::green));
}
FrameView::FrameView (Connection * conn, FrameViewConfig const & cfg, QString const & fname, QStringList const & path)
: DockedWidgetBase(conn->getMainWindow(), path)
, m_bars(0)
, m_config(cfg)
, m_config_ui(m_config, this)
{
setContextMenuPolicy(Qt::CustomContextMenu);
connect(this, SIGNAL(customContextMenuRequested(QPoint const &)), this, SLOT(onShowContextMenu(QPoint const &)));
m_plot = new QwtPlot();
m_bars = new BarPlot();
m_bars->attach(m_plot);
m_plot->plotLayout()->setAlignCanvasToScales(true);
m_plot->plotLayout()->setCanvasMargin(0);
m_plot->setContentsMargins(QMargins(0, 0, 0, 0));
m_plot->setMinimumSize(64,64);
m_plot->setAutoReplot(true);
//qDebug("%s this=0x%08x", __FUNCTION__, this);
QwtPlotMagnifier * lookglass = new QwtPlotMagnifier(m_plot->canvas());
m_plot->canvas()->setFocusPolicy(Qt::WheelFocus);
lookglass->setAxisEnabled(QwtPlot::yLeft, false);
XZoomer * zoomer = new XZoomer(m_plot->canvas());
zoomer->setRubberBandPen( QColor( Qt::black ) );
zoomer->setTrackerPen( QColor( Qt::black ) );
zoomer->setMousePattern( QwtEventPattern::MouseSelect2, Qt::RightButton, Qt::ControlModifier );
zoomer->setMousePattern( QwtEventPattern::MouseSelect3, Qt::RightButton, Qt::ShiftModifier);
QwtPlotPicker * picker = new QwtPlotPicker(QwtPlot::xBottom, QwtPlot::yLeft,
QwtPlotPicker::CrossRubberBand, QwtPicker::AlwaysOn,
m_plot->canvas());
//picker->setStateMachine(new QwtPickerDragPointMachine());
picker->setStateMachine(new QwtPickerClickPointMachine());
picker->setRubberBandPen(QColor(Qt::green));
picker->setRubberBand(QwtPicker::CrossRubberBand);
picker->setTrackerPen(QColor(Qt::white));
QwtPlotPanner * panner = new QwtPlotPanner(m_plot->canvas());
panner->setAxisEnabled(QwtPlot::yLeft, false);
panner->setMouseButton(Qt::MidButton);
m_plot->setAxisMaxMinor(QwtPlot::xBottom, 3);
m_plot->setAxisScaleDraw(QwtPlot::xBottom, new FrameScaleDraw(Qt::Horizontal, m_bars->m_strvalues));
m_plot->setAxisAutoScale(QwtPlot::yLeft, true);
m_bars->setLayoutPolicy(QwtPlotAbstractBarChart::FixedSampleSize);
m_bars->setLayoutHint(5);
m_bars->setSpacing(1);
QwtSlider * slider = createSlider(1);
connect(slider, SIGNAL(valueChanged(double)), SLOT(setNum(double)));
QVBoxLayout * layout = new QVBoxLayout( this );
layout->addWidget(m_plot);
//layout->addWidget(slider);
m_bars->setLegendMode(QwtPlotBarChart::LegendBarTitles);
connect(picker, SIGNAL(selected(QRectF const &) ), this, SLOT(selected(QRectF const &)));
connect(picker, SIGNAL(selected(QPointF const &) ), this, SLOT(selected(QPointF const &)));
connect(picker, SIGNAL(appended(QPointF const &) ), this, SLOT(appended(QPointF const &)));
connect(picker, SIGNAL(selected(QVector<QPointF> const &) ), this, SLOT(selected(QVector<QPointF> const &)));
connect(&getSyncWidgets(), SIGNAL( requestSynchronization(E_SyncMode mode, int, unsigned long long, void *) ),
this, SLOT( performSynchronization(E_SyncMode mode, int, unsigned long long, void *) ));
connect(this, SIGNAL( requestSynchronization(E_SyncMode mode, int, unsigned long long, void *) ),
&getSyncWidgets(), SLOT( performSynchronization(E_SyncMode mode, int, unsigned long long, void *) ));
}