]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/proxguiqt.cpp
Update BigBuf.c
[proxmark3-svn] / client / proxguiqt.cpp
index b34eecfdb4890aae78cce9666b00e899171da8b5..506b8138c9002a486d8a97694af02b80fd28d670 100644 (file)
@@ -7,7 +7,9 @@
 //-----------------------------------------------------------------------------
 // GUI (QT)
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // GUI (QT)
 //-----------------------------------------------------------------------------
+#include "proxguiqt.h"
 
 
+#include <stdbool.h>
 #include <iostream>
 #include <QPainterPath>
 #include <QBrush>
 #include <iostream>
 #include <QPainterPath>
 #include <QBrush>
 #include <math.h>
 #include <limits.h>
 #include <stdio.h>
 #include <math.h>
 #include <limits.h>
 #include <stdio.h>
-#include "proxguiqt.h"
+#include <QSlider>
+#include <QHBoxLayout>
+#include <string.h>
 #include "proxgui.h"
 #include "proxgui.h"
+#include <QtGui>
+//#include <ctime>
 
 
-int GridOffset= 0;
-bool GridLocked= 0;
+bool g_useOverlays = false;
+int g_absVMax = 0;
 int startMax;
 int PageWidth;
 int startMax;
 int PageWidth;
+int unlockStart = 0;
 
 void ProxGuiQT::ShowGraphWindow(void)
 {
 
 void ProxGuiQT::ShowGraphWindow(void)
 {
@@ -42,6 +49,11 @@ void ProxGuiQT::HideGraphWindow(void)
        emit HideGraphWindowSignal();
 }
 
        emit HideGraphWindowSignal();
 }
 
+void ProxGuiQT::Exit(void)
+{
+       emit ExitSignal();
+}
+
 void ProxGuiQT::_ShowGraphWindow(void)
 {
        if(!plotapp)
 void ProxGuiQT::_ShowGraphWindow(void)
 {
        if(!plotapp)
@@ -69,6 +81,10 @@ void ProxGuiQT::_HideGraphWindow(void)
        plotwidget->hide();
 }
 
        plotwidget->hide();
 }
 
+void ProxGuiQT::_Exit(void) {
+       delete this;
+}
+
 void ProxGuiQT::MainLoop()
 {
        plotapp = new QApplication(argc, argv);
 void ProxGuiQT::MainLoop()
 {
        plotapp = new QApplication(argc, argv);
@@ -76,6 +92,7 @@ void ProxGuiQT::MainLoop()
        connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow()));
        connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow()));
        connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow()));
        connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow()));
        connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow()));
        connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow()));
+       connect(this, SIGNAL(ExitSignal()), this, SLOT(_Exit()));
 
        plotapp->exec();
 }
 
        plotapp->exec();
 }
@@ -87,200 +104,456 @@ ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL),
 
 ProxGuiQT::~ProxGuiQT(void)
 {
 
 ProxGuiQT::~ProxGuiQT(void)
 {
-       if (plotwidget) {
-               delete plotwidget;
-               plotwidget = NULL;
-       }
-
+       //if (plotwidget) {
+               //plotwidget->destroy(true,true);
+       //      delete plotwidget;
+       //      plotwidget = NULL;
+       //}
        if (plotapp) {
                plotapp->quit();
        if (plotapp) {
                plotapp->quit();
-               delete plotapp;
+               // delete plotapp;
                plotapp = NULL;
        }
 }
 
                plotapp = NULL;
        }
 }
 
-void ProxWidget::paintEvent(QPaintEvent *event)
+//--------------------
+void ProxWidget::applyOperation()
 {
 {
-       QPainter painter(this);
-       QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath;
-       QRect r;
-       QBrush brush(QColor(100, 255, 100));
-       QPen pen(QColor(100, 255, 100));
+       //printf("ApplyOperation()");
+       save_restoreGB(GRAPH_SAVE);
+       memcpy(GraphBuffer, s_Buff, sizeof(int) * GraphTraceLen);
+       RepaintGraphWindow();
+}
+void ProxWidget::stickOperation()
+{
+       save_restoreGB(GRAPH_RESTORE);
+       //printf("stickOperation()");
+}
+void ProxWidget::vchange_autocorr(int v)
+{
+       int ans;
+       ans = AutoCorrelate(GraphBuffer, s_Buff, GraphTraceLen, v, true, false);
+       if (g_debugMode) printf("vchange_autocorr(w:%d): %d\n", v, ans);
+       g_useOverlays = true;
+       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);
+       if (g_debugMode) printf("vchange_askedge(w:%d)%d\n", v, ans);
+       g_useOverlays = true;
+       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);
+       g_useOverlays = true;
+       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);
+       g_useOverlays = true;
+       RepaintGraphWindow();
+}
+ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent)
+{
+       this->master = master;
+       resize(800,500);
+
+       /** Setup the controller widget **/
+
+       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);
+       opsController->horizontalSlider_dirthr_up->setMinimum(-40);
+       opsController->horizontalSlider_dirthr_up->setMaximum(128);
+       opsController->horizontalSlider_dirthr_up->setValue(20);
+       opsController->horizontalSlider_askedge->setValue(25);
+       opsController->horizontalSlider_window->setValue(4000);
+
+
+       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");
+}
 
 
-       painter.setFont(QFont("Arial", 10));
+// not 100% sure what i need in this block
+// feel free to fix - marshmellow...
+ProxWidget::~ProxWidget(void)
+{
+       if (controlWidget) {
+               controlWidget->close();
+               delete controlWidget;
+               controlWidget = NULL;
+       }
 
 
-       if(GraphStart < 0) {
-               GraphStart = 0;
+       if (opsController) {
+               delete opsController;
+               opsController = NULL;
        }
 
        }
 
-       if (CursorAPos > GraphTraceLen)
-               CursorAPos= 0;
-       if(CursorBPos > GraphTraceLen)
-               CursorBPos= 0;
+       if (plot) {
+               plot->close();
+               delete plot;
+               plot = NULL;
+       }
+}
+void ProxWidget::closeEvent(QCloseEvent *event)
+{
+       event->ignore();
+       this->hide();
+       g_useOverlays = false;
+}
+void ProxWidget::hideEvent(QHideEvent *event) {
+       controlWidget->hide();
+       plot->hide();
+}
+void ProxWidget::showEvent(QShowEvent *event) {
+       controlWidget->show();
+       plot->show();
+}
 
 
-       r = rect();
+//----------- Plotting
 
 
-       painter.fillRect(r, QColor(0, 0, 0));
+int Plot::xCoordOf(int i, QRect r )
+{
+       return r.left() + (int)((i - GraphStart)*GraphPixelsPerPoint);
+}
 
 
-       whitePath.moveTo(r.left() + 40, r.top());
-       whitePath.lineTo(r.left() + 40, r.bottom());
+int Plot::yCoordOf(int v, QRect r, int maxVal)
+{
+       int z = (r.bottom() - r.top())/2;
+       return -(z * v) / maxVal + z;
+}
 
 
-       int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;
+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);
 
 
-       greyPath.moveTo(r.left(), zeroHeight);
-       greyPath.lineTo(r.right(), zeroHeight);
-       painter.setPen(QColor(100, 100, 100));
-       painter.drawPath(greyPath);
-
-       PageWidth= (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint);
-       
-        // plot X and Y grid lines
-        int i;
-        if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
-               for(i = 40 + (GridOffset * GraphPixelsPerPoint); i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) {
-                       //SelectObject(hdc, GreyPenLite);
-                       //MoveToEx(hdc, r.left + i, r.top, NULL);
-                       //LineTo(hdc, r.left + i, r.bottom);
-                       lightgreyPath.moveTo(r.left()+i,r.top());
-                       lightgreyPath.lineTo(r.left()+i,r.bottom());
-                       painter.drawPath(lightgreyPath);
-               } 
-        } 
-        if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
-               for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) {
-                               lightgreyPath.moveTo(r.left() + 40,zeroHeight + i);
-                       lightgreyPath.lineTo(r.right(),zeroHeight + i);
-                       painter.drawPath(lightgreyPath);
-                       lightgreyPath.moveTo(r.left() + 40,zeroHeight - i);
-                       lightgreyPath.lineTo(r.right(),zeroHeight - i);
-                       painter.drawPath(lightgreyPath);
-               }
-        }
-
-       startMax = (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
+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::setMaxAndStart(int *buffer, int len, QRect plotRect)
+{
+       if (len == 0) return;
+       startMax = (len - (int)((plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint));
        if(startMax < 0) {
                startMax = 0;
        }
        if(GraphStart > startMax) {
                GraphStart = startMax;
        }
        if(startMax < 0) {
                startMax = 0;
        }
        if(GraphStart > startMax) {
                GraphStart = startMax;
        }
+       if (GraphStart > len) return;
+       int vMin = INT_MAX, vMax = INT_MIN, v = 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;
+       }
 
 
-       int absYMax = 1;
+       g_absVMax = 0;
+       if(fabs( (double) vMin) > g_absVMax) g_absVMax = (int)fabs( (double) vMin);
+       if(fabs( (double) vMax) > g_absVMax) g_absVMax = (int)fabs( (double) vMax);
+       g_absVMax = (int)(g_absVMax*1.25 + 1);
+}
 
 
-       for(i = GraphStart; ; i++) {
-               if(i >= GraphTraceLen) {
-                       break;
-               }
-               if(fabs((double)GraphBuffer[i]) > absYMax) {
-                       absYMax = (int)fabs((double)GraphBuffer[i]);
-               }
-               int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
-               if(x > r.right()) {
-                       break;
+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 > (int)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 < (int)len && xCoordOf(delta_x+DemodStart, plotRect) < plotRect.right(); i++) {
+               for (int ii = 0; ii < (clk) && i < (int)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;
        }
 
        }
 
-       absYMax = (int)(absYMax*1.2 + 1);
-       
-       // number of points that will be plotted
-       int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint);
-       // one label every 100 pixels, let us say
-       int labels = (r.right() - r.left() - 40) / 100;
-       if(labels <= 0) labels = 1;
-       int pointsPerLabel = span / labels;
-       if(pointsPerLabel <= 0) pointsPerLabel = 1;
-
-       int yMin = INT_MAX;
-       int yMax = INT_MIN;
-       int yMean = 0;
-       int n = 0;
+       //Graph annotations
+       painter->drawPath(penPath);
+}
 
 
-       for(i = GraphStart; ; i++) {
-               if(i >= GraphTraceLen) {
-                       break;
-               }
-               int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
-               if(x > r.right() + GraphPixelsPerPoint) {
-                       break;
-               }
+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;
+       int vMin = INT_MAX, vMax = INT_MIN, vMean = 0, v = 0, i = 0;
+       int x = xCoordOf(GraphStart, plotRect);
+       int y = yCoordOf(buffer[GraphStart],plotRect,g_absVMax);
+       penPath.moveTo(x, y);
+       for(i = GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) {
 
 
-               int y = GraphBuffer[i];
-               if(y < yMin) {
-                       yMin = y;
-               }
-               if(y > yMax) {
-                       yMax = y;
-               }
-               yMean += y;
-               n++;
+               x = xCoordOf(i, plotRect);
+               v = buffer[i];
 
 
-               y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
-               if(i == GraphStart) {
-                       penPath.moveTo(x, y);
-               } else {
-                       penPath.lineTo(x, y);
-               }
+               y = yCoordOf( v, plotRect, g_absVMax);
+
+               penPath.lineTo(x, y);
 
                if(GraphPixelsPerPoint > 10) {
                        QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
 
                if(GraphPixelsPerPoint > 10) {
                        QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
-                       painter.fillRect(f, brush);
+                       painter->fillRect(f, QColor(100, 255, 100));
                }
                }
+               //catch stats
+               if(v < vMin) vMin = v;
+               if(v > vMax) vMax = v;
+               vMean += v;
+       }
+       vMean /= (i - GraphStart);
 
 
-               if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) {
-                       whitePath.moveTo(x, zeroHeight - 3);
-                       whitePath.lineTo(x, zeroHeight + 3);
+       painter->setPen(getColor(graphNum));
 
 
-                       char str[100];
-                       sprintf(str, "+%d", (i - GraphStart));
+       //Draw y-axis
+       int xo = 5+(graphNum*40);
+       painter->drawLine(xo, plotRect.top(),xo, plotRect.bottom());
 
 
-                       painter.setPen(QColor(255, 255, 255));
-                       QRect size;
-                       QFontMetrics metrics(painter.font());
-                       size = metrics.boundingRect(str);
-                       painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str);
+       int vMarkers = (g_absVMax - (g_absVMax % 10)) / 5;
+       int minYDist = 40; //Minimum pixel-distance between markers
 
 
-                       penPath.moveTo(x,y);
-               }
+       char yLbl[20];
 
 
-               if(i == CursorAPos || i == CursorBPos) {
-                       QPainterPath *cursorPath;
+       int n = 0;
+       int lasty0 = 65535;
 
 
-                       if(i == CursorAPos) {
-                               cursorPath = &cursorAPath;
-                       } else {
-                               cursorPath = &cursorBPath;
-                       }
-                       cursorPath->moveTo(x, r.top());
-                       cursorPath->lineTo(x, r.bottom());
-                       penPath.moveTo(x, y);
+       for(v = vMarkers; yCoordOf(v,plotRect,g_absVMax) > plotRect.top() && n < 20; v+= vMarkers ,n++)
+       {
+               int y0 = yCoordOf(v,plotRect,g_absVMax);
+               int y1 = yCoordOf(-v,plotRect,g_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, i, 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)
+{
+       // set GridOffset
+       if (PlotGridX <= 0) return;
+       int offset = GridOffset;
+       if (GridLocked && PlotGridX) {
+               offset = GridOffset + PlotGridX - (GraphStart % PlotGridX);
+       } else if (!GridLocked && GraphStart > 0 && PlotGridX) {
+               offset = PlotGridX-((GraphStart - offset) % PlotGridX) + GraphStart - unlockStart;
+       }
+       offset %= PlotGridX;
+       if (offset < 0) offset += PlotGridX;
+
+       int i;
+       int grid_delta_x = (int) (PlotGridX * GraphPixelsPerPoint);
+       int grid_delta_y = PlotGridY;
+       if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
+               for(i = (offset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
+                       painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom());
+               } 
+       }
+       if (PlotGridY > 0) {
+               for(i = 0; yCoordOf(i,r,g_absVMax) > r.top(); i += grid_delta_y) {
+                       painter->drawLine( r.left(), yCoordOf(i,r,g_absVMax), r.right(), yCoordOf(i,r,g_absVMax) );
+                       painter->drawLine( r.left(), yCoordOf(i*-1,r,g_absVMax), r.right(), yCoordOf(i*-1,r,g_absVMax) );
                }
        }
                }
        }
+}
 
 
-       if(n != 0) {
-               yMean /= n;
+#define HEIGHT_INFO 60
+#define WIDTH_AXES 80
+
+void Plot::paintEvent(QPaintEvent *event)
+{
+
+       QPainter painter(this);
+       QBrush brush(QColor(100, 255, 100));
+       QPen pen(QColor(100, 255, 100));
+
+       painter.setFont(QFont("Courier New", 10));
+
+       if(GraphStart < 0) {
+               GraphStart = 0;
        }
 
        }
 
-       painter.setPen(QColor(255, 255, 255));
-       painter.drawPath(whitePath);
-       painter.setPen(pen);
-       painter.drawPath(penPath);
-       painter.setPen(QColor(255, 255, 0));
-       painter.drawPath(cursorAPath);
-       painter.setPen(QColor(255, 0, 255));
-       painter.drawPath(cursorBPath);
+       if (CursorAPos > GraphTraceLen)
+               CursorAPos= 0;
+       if(CursorBPos > GraphTraceLen)
+               CursorBPos= 0;
+       if(CursorCPos > GraphTraceLen)
+               CursorCPos= 0;
+       if(CursorDPos > GraphTraceLen)
+               CursorDPos= 0;
 
 
-       char str[200];
-       sprintf(str, "@%d   max=%d min=%d mean=%d n=%d/%d    dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d]",
-                       GraphStart, yMax, yMin, yMean, n, GraphTraceLen,
-                       CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos]);
+       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));
 
 
+       //init graph variables
+       setMaxAndStart(GraphBuffer,GraphTraceLen,plotRect);
+
+       // 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
+       PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0);
+       if (showDemod && DemodBufferLen > 8) {
+               PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx);
+       }
+       if (g_useOverlays) {
+               //init graph variables
+               setMaxAndStart(s_Buff,GraphTraceLen,plotRect);
+               PlotGraph(s_Buff, GraphTraceLen,plotRect,infoRect,&painter,1);
+       }
+       // 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.setPen(QColor(255, 255, 255));
-       painter.drawText(50, r.bottom() - 20, str);
+       painter.drawText(20, infoRect.bottom() - 3, str);
+
 }
 
 }
 
-ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
+Plot::Plot(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
 {
 {
-       resize(600, 500);
+       //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));
 
        QPalette palette(QColor(0,0,0,0));
        palette.setColor(QPalette::WindowText, QColor(255,255,255));
@@ -288,18 +561,23 @@ ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphP
        palette.setColor(QPalette::Button, QColor(100, 100, 100));
        setPalette(palette);
        setAutoFillBackground(true);
        palette.setColor(QPalette::Button, QColor(100, 100, 100));
        setPalette(palette);
        setAutoFillBackground(true);
+       CursorAPos = 0;
+       CursorBPos = 0;
+
+       setWindowTitle(tr("Sliders"));
 }
 
 }
 
-void ProxWidget::closeEvent(QCloseEvent *event)
+void Plot::closeEvent(QCloseEvent *event)
 {
        event->ignore();
        this->hide();
 {
        event->ignore();
        this->hide();
+       g_useOverlays = false;
 }
 
 }
 
-void ProxWidget::mouseMoveEvent(QMouseEvent *event)
+void Plot::mouseMoveEvent(QMouseEvent *event)
 {
        int x = event->x();
 {
        int x = event->x();
-       x -= 40;
+       x -= WIDTH_AXES;
        x = (int)(x / GraphPixelsPerPoint);
        x += GraphStart;
        if((event->buttons() & Qt::LeftButton)) {
        x = (int)(x / GraphPixelsPerPoint);
        x += GraphStart;
        if((event->buttons() & Qt::LeftButton)) {
@@ -312,21 +590,20 @@ void ProxWidget::mouseMoveEvent(QMouseEvent *event)
        this->update();
 }
 
        this->update();
 }
 
-void ProxWidget::keyPressEvent(QKeyEvent *event)
+void Plot::keyPressEvent(QKeyEvent *event)
 {
        int     offset;
 {
        int     offset;
-       int     gridchanged;
-
-       gridchanged= 0;
 
        if(event->modifiers() & Qt::ShiftModifier) {
                if (PlotGridX)
                        offset= PageWidth - (PageWidth % PlotGridX);
                else
                        offset= PageWidth;
 
        if(event->modifiers() & Qt::ShiftModifier) {
                if (PlotGridX)
                        offset= PageWidth - (PageWidth % PlotGridX);
                else
                        offset= PageWidth;
-       }
-       else
-               offset= (int)(20 / GraphPixelsPerPoint);
+       } else 
+               if(event->modifiers() & Qt::ControlModifier)
+                       offset= 1;
+               else
+                       offset= (int)(20 / GraphPixelsPerPoint);
 
        switch(event->key()) {
                case Qt::Key_Down:
 
        switch(event->key()) {
                case Qt::Key_Down:
@@ -343,53 +620,18 @@ void ProxWidget::keyPressEvent(QKeyEvent *event)
 
                case Qt::Key_Right:
                        if(GraphPixelsPerPoint < 20) {
 
                case Qt::Key_Right:
                        if(GraphPixelsPerPoint < 20) {
-                               if (PlotGridX && GridLocked && GraphStart < startMax){
-                                       GridOffset -= offset;
-                                       GridOffset %= PlotGridX;
-                                       gridchanged= 1;
-                               }
                                GraphStart += offset;
                        } else {
                                GraphStart += offset;
                        } else {
-                               if (PlotGridX && GridLocked && GraphStart < startMax){
-                                       GridOffset--;
-                                       GridOffset %= PlotGridX;
-                                       gridchanged= 1;
-                               }
                                GraphStart++;
                        }
                                GraphStart++;
                        }
-                       if(GridOffset < 0) {
-                               GridOffset += PlotGridX;
-                       }
-                       if (gridchanged)
-                               if (GraphStart > startMax) {
-                                       GridOffset += (GraphStart - startMax);
-                                       GridOffset %= PlotGridX;
-                               }
                        break;
 
                case Qt::Key_Left:
                        if(GraphPixelsPerPoint < 20) {
                        break;
 
                case Qt::Key_Left:
                        if(GraphPixelsPerPoint < 20) {
-                               if (PlotGridX && GridLocked && GraphStart > 0){
-                                       GridOffset += offset;
-                                       GridOffset %= PlotGridX;
-                                       gridchanged= 1;
-                               }
                                GraphStart -= offset;
                        } else {
                                GraphStart -= offset;
                        } else {
-                               if (PlotGridX && GridLocked && GraphStart > 0){
-                                       GridOffset++;
-                                       GridOffset %= PlotGridX;
-                                       gridchanged= 1;
-                               }
                                GraphStart--;
                        }
                                GraphStart--;
                        }
-                       if (gridchanged){
-                               if (GraphStart < 0)
-                                       GridOffset += GraphStart;
-                               if(GridOffset < 0)
-                                       GridOffset += PlotGridX;
-                       GridOffset %= PlotGridX;
-                       }
                        break;
 
                case Qt::Key_G:
                        break;
 
                case Qt::Key_G:
@@ -399,28 +641,36 @@ void ProxWidget::keyPressEvent(QKeyEvent *event)
                        } else {
                                PlotGridX= PlotGridXdefault;
                                PlotGridY= PlotGridYdefault;
                        } else {
                                PlotGridX= PlotGridXdefault;
                                PlotGridY= PlotGridYdefault;
-                               }
+                       }
                        break;
 
                case Qt::Key_H:
                        puts("Plot Window Keystrokes:\n");
                        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(" LEFT              Move left");
-                       puts(" <SHIFT>LEFT       Page left");
-                       puts(" L                 Toggle lock grid relative to samples");
-                       puts(" Q                 Hide window");
-                       puts(" RIGHT             Move right");
-                       puts(" <SHIFT>RIGHT      Page right");
-                       puts(" UP                Zoom out");
+                       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:
                        puts("");
                        puts("Use client window 'data help' for more plot commands\n");
                        break;
 
                case Qt::Key_L:
-                       GridLocked= !GridLocked;
+                       GridLocked = !GridLocked;
+                       if (GridLocked)
+                               GridOffset += (GraphStart - unlockStart);
+                       else
+                               unlockStart = GraphStart;
                        break;
 
                case Qt::Key_Q:
                        break;
 
                case Qt::Key_Q:
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