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improved RSGraph class. Not finished yet.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7609 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2014-10-13 22:05:50 +00:00
parent 6e2df7e0de
commit 1757a85e57
6 changed files with 272 additions and 163 deletions
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31
retroshare-gui/src/gui/common/RSGraphWidget.h
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@ -23,6 +23,8 @@
#pragma once
#include <map>
#include <QApplication>
#include <QDesktopWidget>
#include <QFrame>
@ -57,7 +59,7 @@ public:
void stop() ;
void clear() ;
virtual int n_values() const =0; // Method to overload in your own class
virtual int n_values() const ;
// Returns the n^th interpolated value at the given time in floating point seconds backward.
virtual void getDataPoints(int index, std::vector<QPointF>& pts) const ;
@ -68,16 +70,21 @@ public:
// Sets the time period for collecting new values. Units=milliseconds.
void setCollectionTimePeriod(qint64 msecs) ;
virtual QString unitName() const =0;// overload to give your own unit name (KB/s, Users, etc)
protected slots:
// Calls the internal source for a new data points; called by the timer.
// Calls the internal source for a new data points; called by the timer. You might want to overload this
// if the collection system needs it. Otherwise, the default method will call getValues()
void update() ;
protected:
virtual void getValues(std::vector<float>& values) const = 0 ; // overload this in your own class to fill in the values you want to display.
virtual void getValues(std::map<std::string,float>& values) const = 0 ;// overload this in your own class to fill in the values you want to display.
qint64 getTime() const ; // returns time in ms since RS has started
qint64 getTime() const ; // returns time in ms since RS has started
std::list<std::pair<qint64,std::vector<float> > > _points ;
// Storage of collected events. The string is any string used to represent the collected data.
std::map<std::string, std::list<std::pair<qint64,float> > > _points ;
QTimer *_timer ;
@ -122,6 +129,8 @@ class RSGraphWidget: public QFrame
/** Sets the graph style used to display bandwidth data. */
void setGraphStyle(GraphStyle style) { _graphStyle = style; }
void setFlags(uint32_t flag) { _flags |= flag ; }
void resetFlags(uint32_t flag) { _flags &= ~flag ; }
protected:
/** Overloaded QWidget::paintEvent() */
void paintEvent(QPaintEvent *event);
@ -144,7 +153,7 @@ class RSGraphWidget: public QFrame
QString totalToStr(qreal total);
/** Returns a list of points on the bandwidth graph based on the supplied set
* of rsdht or alldht values. */
void pointsFromData(QVector<QPointF> & ) ;
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,
@ -160,8 +169,12 @@ class RSGraphWidget: public QFrame
QRect _rec;
/** The maximum data value plotted. */
qreal _maxValue;
/** The maximum number of points to store. */
int _maxPoints;
/** The maximum number of points to store. */
qreal _y_scale ;
qreal pixelsToValue(qreal) ;
qreal valueToPixels(qreal) ;
int _maxPoints;
qreal _time_scale ; // horizontal scale in pixels per sec.
@ -172,6 +185,6 @@ class RSGraphWidget: public QFrame
uint32_t _flags ;
QTimer *_timer ;
std::vector<RSGraphSource *> _sources ;
RSGraphSource *_source ;
};