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/*
* Copyright (C) 2015-2016, Mike Walters <mike@flomp.net>
*
* This file is part of inspectrum.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <QAbstractScrollArea>
#include <QPaintEvent>
#include "cursors.h"
#include "inputsource.h"
#include "plot.h"
#include "samplesource.h"
#include "spectrogramplot.h"
#include "traceplot.h"
class PlotView : public QAbstractScrollArea, Subscriber
{
Q_OBJECT
public:
PlotView(InputSource *input);
void setSampleRate(off_t rate);
signals:
void timeSelectionChanged(float time);
void zoomIn();
void zoomOut();
public slots:
void cursorsMoved();
void enableCursors(bool enabled);
void enableScales(bool enabled);
void invalidateEvent();
void repaint();
void setCursorSegments(int segments);
void setFFTAndZoom(int fftSize, int zoomLevel);
void setPowerMin(int power);
void setPowerMax(int power);
protected:
void contextMenuEvent(QContextMenuEvent * event) override;
bool eventFilter(QObject * obj, QEvent *event) override;
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent * event);
void scrollContentsBy(int dx, int dy);
private:
Cursors cursors;
SampleSource<std::complex<float>> *mainSampleSource = nullptr;
SpectrogramPlot *spectrogramPlot = nullptr;
std::vector<std::unique_ptr<Plot>> plots;
range_t<off_t> viewRange;
range_t<off_t> selectedSamples;
int fftSize = 1024;
int zoomLevel = 0;
int powerMin;
int powerMax;
bool cursorsEnabled;
off_t sampleRate = 0;
bool timeScaleEnabled;
void addPlot(Plot *plot);
void emitTimeSelection();
void extractSymbols(std::shared_ptr<AbstractSampleSource> src);
void exportSamples(std::shared_ptr<AbstractSampleSource> src);
template<typename SOURCETYPE> void exportSamples(std::shared_ptr<AbstractSampleSource> src);
int plotsHeight();
off_t samplesPerLine();
void updateViewRange(bool reCenter);
void updateView(bool reCenter = false);
void paintTimeScale(QPainter &painter, QRect &rect, range_t<off_t> sampleRange);
};