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improved graph widget

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This commit is contained in:
csoler 2017-05-04 21:19:23 +02:00
parent e6a7168122
commit 6484ea66f7
3 changed files with 38 additions and 5 deletions
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30
retroshare-gui/src/gui/common/RSGraphWidget.cpp
View File

@ -259,6 +259,7 @@ RSGraphWidget::RSGraphWidget(QWidget *parent)
_maxPoints = getNumPoints();
_maxValue = MINUSER_SCALE;
_linewidthscale = 1.0f;
_opacity = 0.6 ;
_flags = 0;
_time_scale = 5.0f ; // in pixels per second.
@ -414,12 +415,16 @@ void RSGraphWidget::paintData()
/* Plot the bandwidth as solid lines. If the graph style is currently an
* area graph, we end up outlining the integrals. */
if(_flags & RSGRAPH_FLAGS_PAINT_STYLE_DOTS)
paintDots(points, getColor(i));
else
paintLine(points, getColor(i));
}
if(_maxValue > 0.0f)
{
if(_flags & RSGRAPH_FLAGS_LOG_SCALE_Y)
_y_scale = _rec.height()*0.8 / log(_maxValue) ;
_y_scale = _rec.height()*0.8 / log(std::max(2.0,_maxValue)) ;
else
_y_scale = _rec.height()*0.8/_maxValue ;
}
@ -539,11 +544,27 @@ void RSGraphWidget::paintLine(const QVector<QPointF>& points, QColor color, Qt::
{
/* Save the current brush, plot the line, and restore the old brush */
QPen oldPen = _painter->pen();
_painter->setPen(QPen(color, lineStyle));
QPen newPen(color, lineStyle);
newPen.setWidth(2.0f*_linewidthscale);
_painter->setPen(newPen);
_painter->drawPolyline(points.data(), points.size());
_painter->setPen(oldPen);
}
void RSGraphWidget::paintDots(const QVector<QPointF>& points, QColor color)
{
/* Save the current brush, plot the line, and restore the old brush */
QPen oldPen = _painter->pen();
_painter->setPen(QPen(color, oldPen.style()));
QBrush oldBrush = _painter->brush();
_painter->setBrush(QBrush(color));
for(int i=0;i<points.size();++i)
_painter->drawEllipse(QRect(points[i].x(),points[i].y(),5*_linewidthscale,5*_linewidthscale)) ;
_painter->setPen(oldPen);
_painter->setBrush(oldBrush);
}
/** Paints selected total indicators on the graph. */
void RSGraphWidget::paintTotals()
{
@ -641,6 +662,11 @@ void RSGraphWidget::wheelEvent(QWheelEvent *e)
_time_filter *= 1.1 ;
else
_time_filter /= 1.1 ;
else if(e->modifiers() & Qt::ControlModifier)
if(e->delta() > 0)
_linewidthscale *= 1.2 ;
else
_linewidthscale /= 1.2 ;
else
if(e->delta() > 0)
_time_scale *= 1.1 ;

9
retroshare-gui/src/gui/common/RSGraphWidget.h
View File

@ -126,6 +126,7 @@ public:
static const uint32_t RSGRAPH_FLAGS_SHOW_LEGEND = 0x0010 ;// show legend in the graph
static const uint32_t RSGRAPH_FLAGS_PAINT_STYLE_FLAT = 0x0020 ;// do not interpolate, and draw flat colored boxes
static const uint32_t RSGRAPH_FLAGS_LEGEND_CUMULATED = 0x0040 ;// show the total in the legend rather than current values
static const uint32_t RSGRAPH_FLAGS_PAINT_STYLE_DOTS = 0x0080 ;// use dots
/** Bandwidth graph style. */
enum GraphStyle
@ -191,8 +192,11 @@ private:
void pointsFromData(const std::vector<QPointF>& values, QVector<QPointF> &points ) ;
/** Paints a line with the data in <b>points</b>. */
void paintLine(const QVector<QPointF>& points, QColor color,
Qt::PenStyle lineStyle = Qt::SolidLine);
void paintLine(const QVector<QPointF>& points, QColor color, Qt::PenStyle lineStyle = Qt::SolidLine);
/** Paint a series of large dots **/
void paintDots(const QVector<QPointF>& points, QColor color);
/** Paints an integral using the supplied data. */
void paintIntegral(const QVector<QPointF>& points, QColor color, qreal alpha = 1.0);
@ -214,6 +218,7 @@ private:
qreal _time_scale ; // horizontal scale in pixels per sec.
qreal _time_filter ; // time filter. Goes from 0 to infinity. Will be converted into 1-1/(1+f)
float _linewidthscale ;
/** Show the respective lines and counters. */
//bool _showRSDHT;

2
retroshare-gui/src/gui/statistics/BandwidthStatsWidget.cpp
View File

@ -201,11 +201,13 @@ void BandwidthStatsWidget::updateUnitSelection(int n)
if(n==0)
{
ui.bwgraph_BW->setUnit(BWGraphSource::UNIT_KILOBYTES) ;
ui.bwgraph_BW->resetFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_DOTS);
ui.legend_CB->setItemText(1,tr("Average"));
}
else
{
ui.bwgraph_BW->setUnit(BWGraphSource::UNIT_COUNT) ;
ui.bwgraph_BW->setFlags(RSGraphWidget::RSGRAPH_FLAGS_PAINT_STYLE_DOTS);
ui.legend_CB->setItemText(1,tr("Total"));
}
}