[proxmark3-svn] / client / proxguiqt.cpp

//-----------------------------------------------------------------------------
// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// GUI (QT)
//-----------------------------------------------------------------------------
#include "proxguiqt.h"

#include <iostream>
#include <QPainterPath>
#include <QBrush>
#include <QPen>
#include <QTimer>
#include <QCloseEvent>
#include <QMouseEvent>
#include <QKeyEvent>
#include <math.h>
#include <limits.h>
#include <stdio.h>
#include <QSlider>
#include <QHBoxLayout>
#include <string.h>
#include "proxguiqt.h"
#include "proxgui.h"
#include <QtGui>
//#include <ctime>


int startMax;
int PageWidth;

void ProxGuiQT::ShowGraphWindow(void)
{
	emit ShowGraphWindowSignal();
}

void ProxGuiQT::RepaintGraphWindow(void)
{
	emit RepaintGraphWindowSignal();
}

void ProxGuiQT::HideGraphWindow(void)
{
	emit HideGraphWindowSignal();
}

void ProxGuiQT::_ShowGraphWindow(void)
{
	if(!plotapp)
		return;

	if (!plotwidget)
		plotwidget = new ProxWidget();

	plotwidget->show();
}

void ProxGuiQT::_RepaintGraphWindow(void)
{
	if (!plotapp || !plotwidget)
		return;

	plotwidget->update();
}

void ProxGuiQT::_HideGraphWindow(void)
{
	if (!plotapp || !plotwidget)
		return;

	plotwidget->hide();
}

void ProxGuiQT::MainLoop()
{
	plotapp = new QApplication(argc, argv);

	connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow()));
	connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow()));
	connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow()));

	plotapp->exec();
}

ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL),
	argc(argc), argv(argv)
{
}

ProxGuiQT::~ProxGuiQT(void)
{
	if (plotwidget) {
		//plotwidget->close();
		delete plotwidget;
		plotwidget = NULL;
	}

	if (plotapp) {
		plotapp->quit();
		delete plotapp;
		plotapp = NULL;
	}
}

//--------------------
void ProxWidget::applyOperation()
{
	printf("ApplyOperation()");
	save_restoreGB(1);
	memcpy(GraphBuffer, s_Buff, sizeof(int) * GraphTraceLen);
	RepaintGraphWindow();

}
void ProxWidget::stickOperation()
{
	save_restoreGB(0);
	printf("stickOperation()");
}
void ProxWidget::vchange_autocorr(int v)
{
	int ans;
	ans = AutoCorrelate(GraphBuffer, s_Buff, GraphTraceLen, v, true, false);
	printf("vchange_autocorr(w:%d): %d\n", v, ans);
	RepaintGraphWindow();
}
void ProxWidget::vchange_askedge(int v)
{
	int ans;
	//extern int AskEdgeDetect(const int *in, int *out, int len, int threshold);
	ans = AskEdgeDetect(GraphBuffer, s_Buff, GraphTraceLen, v);
	printf("vchange_askedge(w:%d)\n", v);
	RepaintGraphWindow();
}
void ProxWidget::vchange_dthr_up(int v)
{
	int down = opsController->horizontalSlider_dirthr_down->value();
	directionalThreshold(GraphBuffer, s_Buff, GraphTraceLen, v, down);
	printf("vchange_dthr_up(%d)", v);
	RepaintGraphWindow();

}
void ProxWidget::vchange_dthr_down(int v)
{
	printf("vchange_dthr_down(%d)", v);
	int up = opsController->horizontalSlider_dirthr_up->value();
	directionalThreshold(GraphBuffer,s_Buff, GraphTraceLen, v, up);
	RepaintGraphWindow();

}
ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent)
{
	this->master = master;
	resize(800,500);

	/** Setup the controller widget **/

	QWidget* controlWidget = new QWidget();
	opsController = new Ui::Form();
	opsController->setupUi(controlWidget);
	//Due to quirks in QT Designer, we need to fiddle a bit
	opsController->horizontalSlider_dirthr_down->setMinimum(-128);
	opsController->horizontalSlider_dirthr_down->setMaximum(0);
	opsController->horizontalSlider_dirthr_down->setValue(-20);


	QObject::connect(opsController->pushButton_apply, SIGNAL(clicked()), this, SLOT(applyOperation()));
	QObject::connect(opsController->pushButton_sticky, SIGNAL(clicked()), this, SLOT(stickOperation()));
	QObject::connect(opsController->horizontalSlider_window, SIGNAL(valueChanged(int)), this, SLOT(vchange_autocorr(int)));
	QObject::connect(opsController->horizontalSlider_dirthr_up, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_up(int)));
	QObject::connect(opsController->horizontalSlider_dirthr_down, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_down(int)));
	QObject::connect(opsController->horizontalSlider_askedge, SIGNAL(valueChanged(int)), this, SLOT(vchange_askedge(int)));

	controlWidget->show();

	// Set up the plot widget, which does the actual plotting

	plot = new Plot(this);
	/*
	QSlider* slider = new QSlider(Qt::Horizontal);
	slider->setFocusPolicy(Qt::StrongFocus);
	slider->setTickPosition(QSlider::TicksBothSides);
	slider->setTickInterval(10);
	slider->setSingleStep(1);
	*/
	QVBoxLayout *layout = new QVBoxLayout;
	//layout->addWidget(slider);
	layout->addWidget(plot);
	setLayout(layout);
	printf("Proxwidget Constructor just set layout\r\n");
}


//----------- Plotting

int Plot::xCoordOf(int i, QRect r )
{
	return r.left() + (int)((i - GraphStart)*GraphPixelsPerPoint);
}

int Plot::yCoordOf(int v, QRect r, int maxVal)
{
	int z = (r.bottom() - r.top())/2;
	return -(z * v) / maxVal + z;
}

int Plot::valueOf_yCoord(int y, QRect r, int maxVal)
{
	int z = (r.bottom() - r.top())/2;
	return (y-z) * maxVal / z;
}
static const QColor GREEN = QColor(100,255,100);
static const QColor RED   = QColor(255,100,100);
static const QColor BLUE  = QColor(100,100,255);
static const QColor GRAY = QColor(240,240,240);

QColor Plot::getColor(int graphNum)
{
	switch (graphNum) {
	case 0: return GREEN;  //Green
	case 1: return RED;    //Red
	case 2: return BLUE;   //Blue
	default: return GRAY;  //Gray
	}
}

void Plot::PlotDemod(uint8_t *buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum, int plotOffset)
{
	if (len == 0 || PlotGridX <= 0) return;
	//clock_t begin = clock();
	QPainterPath penPath;

	int grid_delta_x = PlotGridX;
	int first_delta_x = grid_delta_x; //(plotOffset > 0) ? PlotGridX : (PlotGridX +);
	if (GraphStart > plotOffset) first_delta_x -= (GraphStart-plotOffset);
	int DemodStart = GraphStart;
	if (plotOffset > GraphStart) DemodStart = plotOffset;

	int BitStart = 0;
	// round down
	if (DemodStart-plotOffset > 0) BitStart = (int)(((DemodStart-plotOffset)+(PlotGridX-1))/PlotGridX)-1;
	first_delta_x += BitStart * PlotGridX;
	if (BitStart > len) return;
	int delta_x = 0;
	int v = 0;
	//printf("first_delta_x %i, grid_delta_x %i, DemodStart %i, BitStart %i\n",first_delta_x,grid_delta_x,DemodStart, BitStart);

	painter->setPen(getColor(graphNum));
	char str[5];
  int absVMax = (int)(100*1.05+1);
	int x = xCoordOf(DemodStart, plotRect);
	int y = yCoordOf((buffer[BitStart]*200-100)*-1,plotRect,absVMax);
	penPath.moveTo(x, y);
	delta_x = 0;
	int clk = first_delta_x;
	for(int i = BitStart; i < len && xCoordOf(delta_x+DemodStart, plotRect) < plotRect.right(); i++) {
		for (int ii = 0; ii < (clk) && i < len && xCoordOf(DemodStart+delta_x+ii, plotRect) < plotRect.right() ; ii++ ) {
			x = xCoordOf(DemodStart+delta_x+ii, plotRect);
			v = buffer[i]*200-100;

			y = yCoordOf( v, plotRect, absVMax);

			penPath.lineTo(x, y);

			if(GraphPixelsPerPoint > 10) {
				QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
				painter->fillRect(f, QColor(100, 255, 100));
			}
			if (ii == (int)clk/2) {
				//print label
				sprintf(str, "%u",buffer[i]);
				painter->drawText(x-8, y + ((buffer[i] > 0) ? 18 : -6), str);
			}
		}
		delta_x += clk;
		clk = grid_delta_x;
	}

	//Graph annotations
	painter->drawPath(penPath);
}

void Plot::PlotGraph(int *buffer, int len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum)
{
	if (len == 0) return;
	//clock_t begin = clock();
	QPainterPath penPath;

	startMax = (len - (int)((plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint));
	if(startMax < 0) {
		startMax = 0;
	}
	if(GraphStart > startMax) {
		GraphStart = startMax;
	}
	if (GraphStart > len) return;
	int vMin = INT_MAX, vMax = INT_MIN, vMean = 0, v = 0, absVMax = 0;
	int sample_index = GraphStart ;
	for( ; sample_index < len && xCoordOf(sample_index,plotRect) < plotRect.right() ; sample_index++) {

		v = buffer[sample_index];
		if(v < vMin) vMin = v;
		if(v > vMax) vMax = v;
		vMean += v;
	}

	vMean /= (sample_index - GraphStart);

	if(fabs( (double) vMin) > absVMax) absVMax = (int)fabs( (double) vMin);
	if(fabs( (double) vMax) > absVMax) absVMax = (int)fabs( (double) vMax);
	absVMax = (int)(absVMax*1.25 + 1);
	// number of points that will be plotted
	int span = (int)((plotRect.right() - plotRect.left()) / GraphPixelsPerPoint);
	// one label every 100 pixels, let us say
	int labels = (plotRect.right() - plotRect.left() - 40) / 100;
	if(labels <= 0) labels = 1;
	int pointsPerLabel = span / labels;
	if(pointsPerLabel <= 0) pointsPerLabel = 1;

	int x = xCoordOf(GraphStart, plotRect);
	int y = yCoordOf(buffer[GraphStart],plotRect,absVMax);
	penPath.moveTo(x, y);
	for(int i = GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) {

		x = xCoordOf(i, plotRect);
		v = buffer[i];

		y = yCoordOf( v, plotRect, absVMax);//(y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;

		penPath.lineTo(x, y);

		if(GraphPixelsPerPoint > 10) {
			QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
			painter->fillRect(f, QColor(100, 255, 100));
		}
	}

	painter->setPen(getColor(graphNum));

	//Draw y-axis
	int xo = 5+(graphNum*40);
	painter->drawLine(xo, plotRect.top(),xo, plotRect.bottom());

	int vMarkers = (absVMax - (absVMax % 10)) / 5;
	int minYDist = 40; //Minimum pixel-distance between markers

	char yLbl[20];

	int n = 0;
	int lasty0 = 65535;

	for(int v = vMarkers; yCoordOf(v,plotRect,absVMax) > plotRect.top() && n < 20; v+= vMarkers ,n++)
	{
		int y0 = yCoordOf(v,plotRect,absVMax);
		int y1 = yCoordOf(-v,plotRect,absVMax);

		if(lasty0 - y0 < minYDist) continue;

		painter->drawLine(xo-5,y0, xo+5, y0);

		sprintf(yLbl, "%d", v);
		painter->drawText(xo+8,y0+7,yLbl);

		painter->drawLine(xo-5, y1, xo+5, y1);
		sprintf(yLbl, "%d",-v);
		painter->drawText(xo+8, y1+5 , yLbl);
		lasty0 = y0;
	}

	//Graph annotations
	painter->drawPath(penPath);
	char str[200];
	sprintf(str, "max=%d  min=%d  mean=%d  n=%d/%d  CursorAVal=[%d]  CursorBVal=[%d]",
			vMax, vMin, vMean, sample_index, len, buffer[CursorAPos], buffer[CursorBPos]);
	painter->drawText(20, annotationRect.bottom() - 23 - 20 * graphNum, str);

	//clock_t end = clock();
	//double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
	//printf("Plot time %f\n", elapsed_secs);
}

void Plot::plotGridLines(QPainter* painter,QRect r)
{
	int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;

	int i;
	int grid_delta_x = (int) (PlotGridX * GraphPixelsPerPoint);
	int grid_delta_y = (int) (PlotGridY * GraphPixelsPerPoint);
	if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
		for(i = (GridOffset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
			painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom());
		} 
	} 
	if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
		for(i = 0; i < ((r.top() + r.bottom())>>1); i += grid_delta_y) {
			painter->drawLine(r.left(),zeroHeight + i,r.right(),zeroHeight + i);
			painter->drawLine(r.left(),zeroHeight - i,r.right(),zeroHeight - i);
		}
	}
}

#define HEIGHT_INFO 60
#define WIDTH_AXES 80

void Plot::paintEvent(QPaintEvent *event)
{
	QPainter painter(this);
	//QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath, cursorCPath, cursorDPath;
	//QRect r;
	QBrush brush(QColor(100, 255, 100));
	QPen pen(QColor(100, 255, 100));

	painter.setFont(QFont("Courier New", 10));

	if(GraphStart < 0) {
		GraphStart = 0;
	}

	if (CursorAPos > GraphTraceLen)
		CursorAPos= 0;
	if(CursorBPos > GraphTraceLen)
		CursorBPos= 0;
	if(CursorCPos > GraphTraceLen)
		CursorCPos= 0;
	if(CursorDPos > GraphTraceLen)
		CursorDPos= 0;

	QRect plotRect(WIDTH_AXES, 0, width()-WIDTH_AXES, height()-HEIGHT_INFO);
	QRect infoRect(0, height()-HEIGHT_INFO, width(), HEIGHT_INFO);

	//Grey background
	painter.fillRect(rect(), QColor(60, 60, 60));
	//Black foreground
	painter.fillRect(plotRect, QColor(0, 0, 0));

	// center line
	int zeroHeight = plotRect.top() + (plotRect.bottom() - plotRect.top()) / 2;
	painter.setPen(QColor(100, 100, 100));
	painter.drawLine(plotRect.left(), zeroHeight, plotRect.right(), zeroHeight);
	// plot X and Y grid lines
	plotGridLines(&painter, plotRect);

	//Start painting graph
	if (showDemod && DemodBufferLen	> 8) {
		PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx);
	}
	PlotGraph(s_Buff, GraphTraceLen,plotRect,infoRect,&painter,1);
	PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0);
	// End graph drawing

	//Draw the cursors
	if(CursorAPos > GraphStart && xCoordOf(CursorAPos, plotRect) < plotRect.right())
	{
		painter.setPen(QColor(255, 255, 0));
		painter.drawLine(xCoordOf(CursorAPos, plotRect),plotRect.top(),xCoordOf(CursorAPos, plotRect),plotRect.bottom());
	}
	if(CursorBPos > GraphStart && xCoordOf(CursorBPos, plotRect) < plotRect.right())
	{
		painter.setPen(QColor(255, 0, 255));
		painter.drawLine(xCoordOf(CursorBPos, plotRect),plotRect.top(),xCoordOf(CursorBPos, plotRect),plotRect.bottom());
	}
	if(CursorCPos > GraphStart && xCoordOf(CursorCPos, plotRect) < plotRect.right())
	{
		painter.setPen(QColor(255, 153, 0)); //orange
		painter.drawLine(xCoordOf(CursorCPos, plotRect),plotRect.top(),xCoordOf(CursorCPos, plotRect),plotRect.bottom());
	}
	if(CursorDPos > GraphStart && xCoordOf(CursorDPos, plotRect) < plotRect.right())
	{
		painter.setPen(QColor(0, 0, 205)); //light blue
		painter.drawLine(xCoordOf(CursorDPos, plotRect),plotRect.top(),xCoordOf(CursorDPos, plotRect),plotRect.bottom());
	}

	//Draw annotations
	char str[200];
	sprintf(str, "@%d  dt=%d [%2.2f] zoom=%2.2f  CursorAPos=%d  CursorBPos=%d  GridX=%d  GridY=%d (%s) GridXoffset=%d",
			GraphStart,	CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,
			GraphPixelsPerPoint,CursorAPos,CursorBPos,PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked",GridOffset);
	painter.setPen(QColor(255, 255, 255));
	painter.drawText(20, infoRect.bottom() - 3, str);

}

Plot::Plot(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
{
	//Need to set this, otherwise we don't receive keypress events
	setFocusPolicy( Qt::StrongFocus);
	resize(600, 300);

	QPalette palette(QColor(0,0,0,0));
	palette.setColor(QPalette::WindowText, QColor(255,255,255));
	palette.setColor(QPalette::Text, QColor(255,255,255));
	palette.setColor(QPalette::Button, QColor(100, 100, 100));
	setPalette(palette);
	setAutoFillBackground(true);
	CursorAPos = 0;
	CursorBPos = 0;

	setWindowTitle(tr("Sliders"));
}

void Plot::closeEvent(QCloseEvent *event)
{
	event->ignore();
	this->hide();
}

void Plot::mouseMoveEvent(QMouseEvent *event)
{
	int x = event->x();
	x -= WIDTH_AXES;
	x = (int)(x / GraphPixelsPerPoint);
	x += GraphStart;
	if((event->buttons() & Qt::LeftButton)) {
		CursorAPos = x;
	} else if (event->buttons() & Qt::RightButton) {
		CursorBPos = x;
	}


	this->update();
}

void Plot::keyPressEvent(QKeyEvent *event)
{
	int	offset;
	int	gridchanged;

	gridchanged= 0;

	if(event->modifiers() & Qt::ShiftModifier) {
		if (PlotGridX)
			offset= PageWidth - (PageWidth % PlotGridX);
		else
			offset= PageWidth;
	} else 
		if(event->modifiers() & Qt::ControlModifier)
			offset= 1;
		else
			offset= (int)(20 / GraphPixelsPerPoint);

	switch(event->key()) {
		case Qt::Key_Down:
			if(GraphPixelsPerPoint <= 50) {
				GraphPixelsPerPoint *= 2;
			}
			break;

		case Qt::Key_Up:
			if(GraphPixelsPerPoint >= 0.02) {
				GraphPixelsPerPoint /= 2;
			}
			break;

		case Qt::Key_Right:
			if(GraphPixelsPerPoint < 20) {
				if (PlotGridX && GridLocked && GraphStart < startMax){
					GridOffset -= offset;
					GridOffset %= PlotGridX;
					gridchanged= 1;
				}
				GraphStart += offset;
			} else {
				if (PlotGridX && GridLocked && GraphStart < startMax){
					GridOffset--;
					GridOffset %= PlotGridX;
					gridchanged= 1;
				}
				GraphStart++;
			}
			if(GridOffset < 0) {
				GridOffset += PlotGridX;
			}
			if (gridchanged)
				if (GraphStart > startMax) {
					GridOffset += (GraphStart - startMax);
					GridOffset %= PlotGridX;
				}
			break;

		case Qt::Key_Left:
			if(GraphPixelsPerPoint < 20) {
				if (PlotGridX && GridLocked && GraphStart > 0){
					GridOffset += offset;
					GridOffset %= PlotGridX;
					gridchanged= 1;
				}
				GraphStart -= offset;
			} else {
				if (PlotGridX && GridLocked && GraphStart > 0){
					GridOffset++;
					GridOffset %= PlotGridX;
					gridchanged= 1;
				}
				GraphStart--;
			}
			if (gridchanged){
				if (GraphStart < 0)
					GridOffset += GraphStart;
				if(GridOffset < 0)
					GridOffset += PlotGridX;
			GridOffset %= PlotGridX;
			}
			break;

		case Qt::Key_G:
			if(PlotGridX || PlotGridY) {
				PlotGridX= 0;
				PlotGridY= 0;
			} else {
				PlotGridX= PlotGridXdefault;
				PlotGridY= PlotGridYdefault;
				}
			break;

		case Qt::Key_H:
			puts("Plot Window Keystrokes:\n");
			puts(" Key                      Action\n");
			puts(" DOWN                     Zoom in");
			puts(" G                        Toggle grid display");
			puts(" H                        Show help");
			puts(" L                        Toggle lock grid relative to samples");
			puts(" LEFT                     Move left");
			puts(" <CTL>LEFT                Move left 1 sample");
			puts(" <SHIFT>LEFT              Page left");
			puts(" LEFT-MOUSE-CLICK         Set yellow cursor");
			puts(" Q                        Hide window");
			puts(" RIGHT                    Move right");
			puts(" <CTL>RIGHT               Move right 1 sample");
			puts(" <SHIFT>RIGHT             Page right");
			puts(" RIGHT-MOUSE-CLICK        Set purple cursor");
			puts(" UP                       Zoom out");
			puts("");
			puts("Use client window 'data help' for more plot commands\n");
			break;

		case Qt::Key_L:
			GridLocked= !GridLocked;
			break;

		case Qt::Key_Q:
			this->hide();
			break;

		default:
			QWidget::keyPressEvent(event);
			return;
			break;
	}

	this->update();
}
Commit	Line	Data
a553f267	1	//-----------------------------------------------------------------------------
212ef3a0	2	// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
212ef3a0	3	//
a553f267	4	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	5	// at your option, any later version. See the LICENSE.txt file for the text of
	6	// the license.
	7	//-----------------------------------------------------------------------------
	8	// GUI (QT)
	9	//-----------------------------------------------------------------------------
3472ebe5	10	#include "proxguiqt.h"
a553f267	11
6658905f	12	#include <iostream>
	13	#include <QPainterPath>
	14	#include <QBrush>
	15	#include <QPen>
	16	#include <QTimer>
	17	#include <QCloseEvent>
	18	#include <QMouseEvent>
	19	#include <QKeyEvent>
	20	#include <math.h>
	21	#include <limits.h>
c86cc308	22	#include <stdio.h>
9fe4507c	23	#include <QSlider>
b8fdac9e	24	#include <QHBoxLayout>
b8fdac9e	25	#include <string.h>
6658905f	26	#include "proxguiqt.h"
6658905f	27	#include "proxgui.h"
b8fdac9e	28	#include <QtGui>
	29	//#include <ctime>
	30
6658905f	31
7ddb9900	32	int startMax;
18856d88	33	int PageWidth;
7ddb9900	34
6658905f	35	void ProxGuiQT::ShowGraphWindow(void)
	36	{
	37	emit ShowGraphWindowSignal();
	38	}
	39
	40	void ProxGuiQT::RepaintGraphWindow(void)
	41	{
	42	emit RepaintGraphWindowSignal();
	43	}
	44
	45	void ProxGuiQT::HideGraphWindow(void)
	46	{
	47	emit HideGraphWindowSignal();
	48	}
	49
	50	void ProxGuiQT::_ShowGraphWindow(void)
	51	{
	52	if(!plotapp)
	53	return;
	54
	55	if (!plotwidget)
	56	plotwidget = new ProxWidget();
	57
	58	plotwidget->show();
	59	}
	60
	61	void ProxGuiQT::_RepaintGraphWindow(void)
	62	{
	63	if (!plotapp \|\| !plotwidget)
	64	return;
	65
	66	plotwidget->update();
	67	}
	68
	69	void ProxGuiQT::_HideGraphWindow(void)
	70	{
	71	if (!plotapp \|\| !plotwidget)
	72	return;
	73
	74	plotwidget->hide();
	75	}
	76
	77	void ProxGuiQT::MainLoop()
	78	{
	79	plotapp = new QApplication(argc, argv);
	80
	81	connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow()));
	82	connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow()));
	83	connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow()));
	84
	85	plotapp->exec();
	86	}
	87
	88	ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL),
	89	argc(argc), argv(argv)
	90	{
	91	}
	92
	93	ProxGuiQT::~ProxGuiQT(void)
	94	{
	95	if (plotwidget) {
b8fdac9e	96	//plotwidget->close();
6658905f	97	delete plotwidget;
	98	plotwidget = NULL;
	99	}
	100
	101	if (plotapp) {
	102	plotapp->quit();
	103	delete plotapp;
	104	plotapp = NULL;
	105	}
	106	}
	107
b8fdac9e	108	//--------------------
b8fdac9e	109	void ProxWidget::applyOperation()
6658905f	110	{
b8fdac9e	111	printf("ApplyOperation()");
b8fdac9e	112	save_restoreGB(1);
c4f51073	113	memcpy(GraphBuffer, s_Buff, sizeof(int) * GraphTraceLen);
b8fdac9e	114	RepaintGraphWindow();
6658905f	115
b8fdac9e	116	}
	117	void ProxWidget::stickOperation()
	118	{
	119	save_restoreGB(0);
	120	printf("stickOperation()");
	121	}
	122	void ProxWidget::vchange_autocorr(int v)
	123	{
c4f51073	124	int ans;
	125	ans = AutoCorrelate(GraphBuffer, s_Buff, GraphTraceLen, v, true, false);
	126	printf("vchange_autocorr(w:%d): %d\n", v, ans);
	127	RepaintGraphWindow();
	128	}
	129	void ProxWidget::vchange_askedge(int v)
	130	{
	131	int ans;
	132	//extern int AskEdgeDetect(const int in, int out, int len, int threshold);
	133	ans = AskEdgeDetect(GraphBuffer, s_Buff, GraphTraceLen, v);
	134	printf("vchange_askedge(w:%d)\n", v);
b8fdac9e	135	RepaintGraphWindow();
	136	}
	137	void ProxWidget::vchange_dthr_up(int v)
	138	{
	139	int down = opsController->horizontalSlider_dirthr_down->value();
c4f51073	140	directionalThreshold(GraphBuffer, s_Buff, GraphTraceLen, v, down);
b8fdac9e	141	printf("vchange_dthr_up(%d)", v);
b8fdac9e	142	RepaintGraphWindow();
6658905f	143
b8fdac9e	144	}
	145	void ProxWidget::vchange_dthr_down(int v)
	146	{
	147	printf("vchange_dthr_down(%d)", v);
	148	int up = opsController->horizontalSlider_dirthr_up->value();
	149	directionalThreshold(GraphBuffer,s_Buff, GraphTraceLen, v, up);
	150	RepaintGraphWindow();
	151
	152	}
	153	ProxWidget::ProxWidget(QWidget parent, ProxGuiQT master) : QWidget(parent)
	154	{
	155	this->master = master;
	156	resize(800,500);
	157
	158	/ Setup the controller widget /
	159
	160	QWidget* controlWidget = new QWidget();
	161	opsController = new Ui::Form();
	162	opsController->setupUi(controlWidget);
	163	//Due to quirks in QT Designer, we need to fiddle a bit
	164	opsController->horizontalSlider_dirthr_down->setMinimum(-128);
	165	opsController->horizontalSlider_dirthr_down->setMaximum(0);
	166	opsController->horizontalSlider_dirthr_down->setValue(-20);
	167
	168
	169	QObject::connect(opsController->pushButton_apply, SIGNAL(clicked()), this, SLOT(applyOperation()));
	170	QObject::connect(opsController->pushButton_sticky, SIGNAL(clicked()), this, SLOT(stickOperation()));
	171	QObject::connect(opsController->horizontalSlider_window, SIGNAL(valueChanged(int)), this, SLOT(vchange_autocorr(int)));
	172	QObject::connect(opsController->horizontalSlider_dirthr_up, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_up(int)));
	173	QObject::connect(opsController->horizontalSlider_dirthr_down, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_down(int)));
c4f51073	174	QObject::connect(opsController->horizontalSlider_askedge, SIGNAL(valueChanged(int)), this, SLOT(vchange_askedge(int)));
b8fdac9e	175
	176	controlWidget->show();
	177
	178	// Set up the plot widget, which does the actual plotting
	179
	180	plot = new Plot(this);
	181	/*
	182	QSlider* slider = new QSlider(Qt::Horizontal);
	183	slider->setFocusPolicy(Qt::StrongFocus);
	184	slider->setTickPosition(QSlider::TicksBothSides);
	185	slider->setTickInterval(10);
	186	slider->setSingleStep(1);
	187	*/
	188	QVBoxLayout *layout = new QVBoxLayout;
	189	//layout->addWidget(slider);
	190	layout->addWidget(plot);
	191	setLayout(layout);
c4f51073	192	printf("Proxwidget Constructor just set layout\r\n");
b8fdac9e	193	}
	194
	195
	196	//----------- Plotting
	197
	198	int Plot::xCoordOf(int i, QRect r )
	199	{
	200	return r.left() + (int)((i - GraphStart)*GraphPixelsPerPoint);
	201	}
	202
	203	int Plot::yCoordOf(int v, QRect r, int maxVal)
	204	{
	205	int z = (r.bottom() - r.top())/2;
	206	return -(z * v) / maxVal + z;
	207	}
	208
	209	int Plot::valueOf_yCoord(int y, QRect r, int maxVal)
	210	{
	211	int z = (r.bottom() - r.top())/2;
	212	return (y-z) * maxVal / z;
	213	}
	214	static const QColor GREEN = QColor(100,255,100);
	215	static const QColor RED = QColor(255,100,100);
	216	static const QColor BLUE = QColor(100,100,255);
	217	static const QColor GRAY = QColor(240,240,240);
	218
	219	QColor Plot::getColor(int graphNum)
	220	{
	221	switch (graphNum) {
	222	case 0: return GREEN; //Green
	223	case 1: return RED; //Red
	224	case 2: return BLUE; //Blue
	225	default: return GRAY; //Gray
6658905f	226	}
b8fdac9e	227	}
6658905f	228
b8fdac9e	229	void Plot::PlotDemod(uint8_t buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter painter, int graphNum, int plotOffset)
	230	{
	231	if (len == 0 \|\| PlotGridX <= 0) return;
	232	//clock_t begin = clock();
	233	QPainterPath penPath;
	234
	235	int grid_delta_x = PlotGridX;
	236	int first_delta_x = grid_delta_x; //(plotOffset > 0) ? PlotGridX : (PlotGridX +);
	237	if (GraphStart > plotOffset) first_delta_x -= (GraphStart-plotOffset);
	238	int DemodStart = GraphStart;
	239	if (plotOffset > GraphStart) DemodStart = plotOffset;
	240
	241	int BitStart = 0;
	242	// round down
	243	if (DemodStart-plotOffset > 0) BitStart = (int)(((DemodStart-plotOffset)+(PlotGridX-1))/PlotGridX)-1;
	244	first_delta_x += BitStart * PlotGridX;
	245	if (BitStart > len) return;
	246	int delta_x = 0;
	247	int v = 0;
	248	//printf("first_delta_x %i, grid_delta_x %i, DemodStart %i, BitStart %i\n",first_delta_x,grid_delta_x,DemodStart, BitStart);
	249
	250	painter->setPen(getColor(graphNum));
	251	char str[5];
	252	int absVMax = (int)(100*1.05+1);
	253	int x = xCoordOf(DemodStart, plotRect);
	254	int y = yCoordOf((buffer[BitStart]200-100)-1,plotRect,absVMax);
	255	penPath.moveTo(x, y);
	256	delta_x = 0;
	257	int clk = first_delta_x;
	258	for(int i = BitStart; i < len && xCoordOf(delta_x+DemodStart, plotRect) < plotRect.right(); i++) {
	259	for (int ii = 0; ii < (clk) && i < len && xCoordOf(DemodStart+delta_x+ii, plotRect) < plotRect.right() ; ii++ ) {
	260	x = xCoordOf(DemodStart+delta_x+ii, plotRect);
	261	v = buffer[i]*200-100;
	262
	263	y = yCoordOf( v, plotRect, absVMax);
0bf5872f	264
b8fdac9e	265	penPath.lineTo(x, y);
6658905f	266
b8fdac9e	267	if(GraphPixelsPerPoint > 10) {
	268	QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
	269	painter->fillRect(f, QColor(100, 255, 100));
	270	}
	271	if (ii == (int)clk/2) {
	272	//print label
	273	sprintf(str, "%u",buffer[i]);
	274	painter->drawText(x-8, y + ((buffer[i] > 0) ? 18 : -6), str);
	275	}
	276	}
	277	delta_x += clk;
	278	clk = grid_delta_x;
	279	}
6658905f	280
b8fdac9e	281	//Graph annotations
	282	painter->drawPath(penPath);
	283	}
6658905f	284
b8fdac9e	285	void Plot::PlotGraph(int buffer, int len, QRect plotRect, QRect annotationRect, QPainter painter, int graphNum)
	286	{
	287	if (len == 0) return;
	288	//clock_t begin = clock();
	289	QPainterPath penPath;
6658905f	290
b8fdac9e	291	startMax = (len - (int)((plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint));
6658905f	292	if(startMax < 0) {
	293	startMax = 0;
	294	}
	295	if(GraphStart > startMax) {
	296	GraphStart = startMax;
	297	}
b8fdac9e	298	if (GraphStart > len) return;
	299	int vMin = INT_MAX, vMax = INT_MIN, vMean = 0, v = 0, absVMax = 0;
	300	int sample_index = GraphStart ;
	301	for( ; sample_index < len && xCoordOf(sample_index,plotRect) < plotRect.right() ; sample_index++) {
	302
	303	v = buffer[sample_index];
	304	if(v < vMin) vMin = v;
	305	if(v > vMax) vMax = v;
	306	vMean += v;
6658905f	307	}
6658905f	308
b8fdac9e	309	vMean /= (sample_index - GraphStart);
	310
	311	if(fabs( (double) vMin) > absVMax) absVMax = (int)fabs( (double) vMin);
	312	if(fabs( (double) vMax) > absVMax) absVMax = (int)fabs( (double) vMax);
	313	absVMax = (int)(absVMax*1.25 + 1);
6658905f	314	// number of points that will be plotted
b8fdac9e	315	int span = (int)((plotRect.right() - plotRect.left()) / GraphPixelsPerPoint);
6658905f	316	// one label every 100 pixels, let us say
b8fdac9e	317	int labels = (plotRect.right() - plotRect.left() - 40) / 100;
6658905f	318	if(labels <= 0) labels = 1;
	319	int pointsPerLabel = span / labels;
	320	if(pointsPerLabel <= 0) pointsPerLabel = 1;
	321
b8fdac9e	322	int x = xCoordOf(GraphStart, plotRect);
	323	int y = yCoordOf(buffer[GraphStart],plotRect,absVMax);
	324	penPath.moveTo(x, y);
	325	for(int i = GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) {
6658905f	326
b8fdac9e	327	x = xCoordOf(i, plotRect);
b8fdac9e	328	v = buffer[i];
6658905f	329
b8fdac9e	330	y = yCoordOf( v, plotRect, absVMax);//(y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
6658905f	331
b8fdac9e	332	penPath.lineTo(x, y);
6658905f	333
	334	if(GraphPixelsPerPoint > 10) {
	335	QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
b8fdac9e	336	painter->fillRect(f, QColor(100, 255, 100));
6658905f	337	}
b8fdac9e	338	}
6658905f	339
b8fdac9e	340	painter->setPen(getColor(graphNum));
6658905f	341
b8fdac9e	342	//Draw y-axis
	343	int xo = 5+(graphNum*40);
	344	painter->drawLine(xo, plotRect.top(),xo, plotRect.bottom());
6658905f	345
b8fdac9e	346	int vMarkers = (absVMax - (absVMax % 10)) / 5;
b8fdac9e	347	int minYDist = 40; //Minimum pixel-distance between markers
6658905f	348
b8fdac9e	349	char yLbl[20];
6658905f	350
b8fdac9e	351	int n = 0;
b8fdac9e	352	int lasty0 = 65535;
6658905f	353
b8fdac9e	354	for(int v = vMarkers; yCoordOf(v,plotRect,absVMax) > plotRect.top() && n < 20; v+= vMarkers ,n++)
	355	{
	356	int y0 = yCoordOf(v,plotRect,absVMax);
	357	int y1 = yCoordOf(-v,plotRect,absVMax);
	358
	359	if(lasty0 - y0 < minYDist) continue;
	360
	361	painter->drawLine(xo-5,y0, xo+5, y0);
	362
	363	sprintf(yLbl, "%d", v);
	364	painter->drawText(xo+8,y0+7,yLbl);
	365
	366	painter->drawLine(xo-5, y1, xo+5, y1);
	367	sprintf(yLbl, "%d",-v);
	368	painter->drawText(xo+8, y1+5 , yLbl);
	369	lasty0 = y0;
	370	}
	371
	372	//Graph annotations
	373	painter->drawPath(penPath);
	374	char str[200];
	375	sprintf(str, "max=%d min=%d mean=%d n=%d/%d CursorAVal=[%d] CursorBVal=[%d]",
	376	vMax, vMin, vMean, sample_index, len, buffer[CursorAPos], buffer[CursorBPos]);
	377	painter->drawText(20, annotationRect.bottom() - 23 - 20 * graphNum, str);
	378
	379	//clock_t end = clock();
	380	//double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
	381	//printf("Plot time %f\n", elapsed_secs);
	382	}
	383
	384	void Plot::plotGridLines(QPainter* painter,QRect r)
	385	{
	386	int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;
	387
	388	int i;
	389	int grid_delta_x = (int) (PlotGridX * GraphPixelsPerPoint);
	390	int grid_delta_y = (int) (PlotGridY * GraphPixelsPerPoint);
	391	if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
	392	for(i = (GridOffset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
	393	painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom());
	394	}
	395	}
	396	if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
	397	for(i = 0; i < ((r.top() + r.bottom())>>1); i += grid_delta_y) {
	398	painter->drawLine(r.left(),zeroHeight + i,r.right(),zeroHeight + i);
	399	painter->drawLine(r.left(),zeroHeight - i,r.right(),zeroHeight - i);
6658905f	400	}
6658905f	401	}
b8fdac9e	402	}
	403
	404	#define HEIGHT_INFO 60
	405	#define WIDTH_AXES 80
	406
	407	void Plot::paintEvent(QPaintEvent *event)
	408	{
	409	QPainter painter(this);
	410	//QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath, cursorCPath, cursorDPath;
	411	//QRect r;
	412	QBrush brush(QColor(100, 255, 100));
	413	QPen pen(QColor(100, 255, 100));
	414
	415	painter.setFont(QFont("Courier New", 10));
	416
	417	if(GraphStart < 0) {
	418	GraphStart = 0;
	419	}
6658905f	420
b8fdac9e	421	if (CursorAPos > GraphTraceLen)
	422	CursorAPos= 0;
	423	if(CursorBPos > GraphTraceLen)
	424	CursorBPos= 0;
	425	if(CursorCPos > GraphTraceLen)
	426	CursorCPos= 0;
	427	if(CursorDPos > GraphTraceLen)
	428	CursorDPos= 0;
	429
	430	QRect plotRect(WIDTH_AXES, 0, width()-WIDTH_AXES, height()-HEIGHT_INFO);
	431	QRect infoRect(0, height()-HEIGHT_INFO, width(), HEIGHT_INFO);
	432
	433	//Grey background
	434	painter.fillRect(rect(), QColor(60, 60, 60));
	435	//Black foreground
	436	painter.fillRect(plotRect, QColor(0, 0, 0));
	437
	438	// center line
	439	int zeroHeight = plotRect.top() + (plotRect.bottom() - plotRect.top()) / 2;
	440	painter.setPen(QColor(100, 100, 100));
	441	painter.drawLine(plotRect.left(), zeroHeight, plotRect.right(), zeroHeight);
	442	// plot X and Y grid lines
	443	plotGridLines(&painter, plotRect);
	444
	445	//Start painting graph
b8fdac9e	446	if (showDemod && DemodBufferLen > 8) {
b8fdac9e	447	PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx);
6658905f	448	}
9fe4507c	449	PlotGraph(s_Buff, GraphTraceLen,plotRect,infoRect,&painter,1);
9fe4507c	450	PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0);
b8fdac9e	451	// End graph drawing
6658905f	452
b8fdac9e	453	//Draw the cursors
	454	if(CursorAPos > GraphStart && xCoordOf(CursorAPos, plotRect) < plotRect.right())
	455	{
	456	painter.setPen(QColor(255, 255, 0));
	457	painter.drawLine(xCoordOf(CursorAPos, plotRect),plotRect.top(),xCoordOf(CursorAPos, plotRect),plotRect.bottom());
	458	}
	459	if(CursorBPos > GraphStart && xCoordOf(CursorBPos, plotRect) < plotRect.right())
	460	{
	461	painter.setPen(QColor(255, 0, 255));
	462	painter.drawLine(xCoordOf(CursorBPos, plotRect),plotRect.top(),xCoordOf(CursorBPos, plotRect),plotRect.bottom());
	463	}
	464	if(CursorCPos > GraphStart && xCoordOf(CursorCPos, plotRect) < plotRect.right())
	465	{
	466	painter.setPen(QColor(255, 153, 0)); //orange
	467	painter.drawLine(xCoordOf(CursorCPos, plotRect),plotRect.top(),xCoordOf(CursorCPos, plotRect),plotRect.bottom());
	468	}
	469	if(CursorDPos > GraphStart && xCoordOf(CursorDPos, plotRect) < plotRect.right())
	470	{
	471	painter.setPen(QColor(0, 0, 205)); //light blue
	472	painter.drawLine(xCoordOf(CursorDPos, plotRect),plotRect.top(),xCoordOf(CursorDPos, plotRect),plotRect.bottom());
	473	}
6658905f	474
b8fdac9e	475	//Draw annotations
346ad5fb	476	char str[200];
b8fdac9e	477	sprintf(str, "@%d dt=%d [%2.2f] zoom=%2.2f CursorAPos=%d CursorBPos=%d GridX=%d GridY=%d (%s) GridXoffset=%d",
	478	GraphStart, CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,
	479	GraphPixelsPerPoint,CursorAPos,CursorBPos,PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked",GridOffset);
6658905f	480	painter.setPen(QColor(255, 255, 255));
b8fdac9e	481	painter.drawText(20, infoRect.bottom() - 3, str);
b8fdac9e	482
6658905f	483	}
6658905f	484
b8fdac9e	485	Plot::Plot(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
6658905f	486	{
9fe4507c	487	//Need to set this, otherwise we don't receive keypress events
b8fdac9e	488	setFocusPolicy( Qt::StrongFocus);
9484ff3d	489	resize(600, 300);
6658905f	490
	491	QPalette palette(QColor(0,0,0,0));
	492	palette.setColor(QPalette::WindowText, QColor(255,255,255));
	493	palette.setColor(QPalette::Text, QColor(255,255,255));
	494	palette.setColor(QPalette::Button, QColor(100, 100, 100));
	495	setPalette(palette);
	496	setAutoFillBackground(true);
cee48e2b	497	CursorAPos = 0;
cee48e2b	498	CursorBPos = 0;
b8fdac9e	499
b8fdac9e	500	setWindowTitle(tr("Sliders"));
6658905f	501	}
6658905f	502
b8fdac9e	503	void Plot::closeEvent(QCloseEvent *event)
6658905f	504	{
	505	event->ignore();
	506	this->hide();
	507	}
	508
b8fdac9e	509	void Plot::mouseMoveEvent(QMouseEvent *event)
6658905f	510	{
6658905f	511	int x = event->x();
b8fdac9e	512	x -= WIDTH_AXES;
6658905f	513	x = (int)(x / GraphPixelsPerPoint);
	514	x += GraphStart;
	515	if((event->buttons() & Qt::LeftButton)) {
	516	CursorAPos = x;
	517	} else if (event->buttons() & Qt::RightButton) {
	518	CursorBPos = x;
	519	}
	520
	521
	522	this->update();
	523	}
	524
b8fdac9e	525	void Plot::keyPressEvent(QKeyEvent *event)
6658905f	526	{
18856d88	527	int offset;
	528	int gridchanged;
	529
	530	gridchanged= 0;
	531
	532	if(event->modifiers() & Qt::ShiftModifier) {
	533	if (PlotGridX)
	534	offset= PageWidth - (PageWidth % PlotGridX);
	535	else
	536	offset= PageWidth;
ff2e9c1c	537	} else
	538	if(event->modifiers() & Qt::ControlModifier)
	539	offset= 1;
	540	else
	541	offset= (int)(20 / GraphPixelsPerPoint);
18856d88	542
6658905f	543	switch(event->key()) {
	544	case Qt::Key_Down:
	545	if(GraphPixelsPerPoint <= 50) {
	546	GraphPixelsPerPoint *= 2;
	547	}
	548	break;
	549
	550	case Qt::Key_Up:
	551	if(GraphPixelsPerPoint >= 0.02) {
	552	GraphPixelsPerPoint /= 2;
	553	}
	554	break;
	555
	556	case Qt::Key_Right:
	557	if(GraphPixelsPerPoint < 20) {
18856d88	558	if (PlotGridX && GridLocked && GraphStart < startMax){
	559	GridOffset -= offset;
	560	GridOffset %= PlotGridX;
	561	gridchanged= 1;
	562	}
	563	GraphStart += offset;
6658905f	564	} else {
18856d88	565	if (PlotGridX && GridLocked && GraphStart < startMax){
7ddb9900	566	GridOffset--;
18856d88	567	GridOffset %= PlotGridX;
	568	gridchanged= 1;
	569	}
3bc2349d	570	GraphStart++;
6658905f	571	}
18856d88	572	if(GridOffset < 0) {
7ddb9900	573	GridOffset += PlotGridX;
18856d88	574	}
	575	if (gridchanged)
	576	if (GraphStart > startMax) {
	577	GridOffset += (GraphStart - startMax);
	578	GridOffset %= PlotGridX;
	579	}
6658905f	580	break;
	581
	582	case Qt::Key_Left:
	583	if(GraphPixelsPerPoint < 20) {
18856d88	584	if (PlotGridX && GridLocked && GraphStart > 0){
	585	GridOffset += offset;
	586	GridOffset %= PlotGridX;
	587	gridchanged= 1;
	588	}
	589	GraphStart -= offset;
6658905f	590	} else {
18856d88	591	if (PlotGridX && GridLocked && GraphStart > 0){
7ddb9900	592	GridOffset++;
18856d88	593	GridOffset %= PlotGridX;
	594	gridchanged= 1;
	595	}
3bc2349d	596	GraphStart--;
6658905f	597	}
18856d88	598	if (gridchanged){
	599	if (GraphStart < 0)
	600	GridOffset += GraphStart;
	601	if(GridOffset < 0)
	602	GridOffset += PlotGridX;
	603	GridOffset %= PlotGridX;
	604	}
7ddb9900	605	break;
	606
	607	case Qt::Key_G:
	608	if(PlotGridX \|\| PlotGridY) {
	609	PlotGridX= 0;
	610	PlotGridY= 0;
	611	} else {
	612	PlotGridX= PlotGridXdefault;
	613	PlotGridY= PlotGridYdefault;
	614	}
	615	break;
	616
	617	case Qt::Key_H:
	618	puts("Plot Window Keystrokes:\n");
ff2e9c1c	619	puts(" Key Action\n");
	620	puts(" DOWN Zoom in");
	621	puts(" G Toggle grid display");
	622	puts(" H Show help");
	623	puts(" L Toggle lock grid relative to samples");
	624	puts(" LEFT Move left");
	625	puts(" <CTL>LEFT Move left 1 sample");
	626	puts(" <SHIFT>LEFT Page left");
	627	puts(" LEFT-MOUSE-CLICK Set yellow cursor");
	628	puts(" Q Hide window");
	629	puts(" RIGHT Move right");
	630	puts(" <CTL>RIGHT Move right 1 sample");
	631	puts(" <SHIFT>RIGHT Page right");
	632	puts(" RIGHT-MOUSE-CLICK Set purple cursor");
	633	puts(" UP Zoom out");
7ddb9900	634	puts("");
	635	puts("Use client window 'data help' for more plot commands\n");
	636	break;
	637
	638	case Qt::Key_L:
	639	GridLocked= !GridLocked;
	640	break;
	641
	642	case Qt::Key_Q:
	643	this->hide();
6658905f	644	break;
	645
	646	default:
	647	QWidget::keyPressEvent(event);
	648	return;
	649	break;
	650	}
	651
	652	this->update();
	653	}