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proxmark3/client/src/proxguiqt.cpp
Philippe Teuwen 085aa819dc Prevent GraphStart change on empty plot
2021-08-01 22:32:18 +02:00

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//-----------------------------------------------------------------------------
// 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)
//-----------------------------------------------------------------------------
#define __STDC_FORMAT_MACROS
#include "proxguiqt.h"
#include <inttypes.h>
#include <stdbool.h>
#include <iostream>
//#include <QtCore>
#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 <QtGui>
#include "proxgui.h"
#include "ui.h"
#include "comms.h"
#include "graph.h"
#include "cmddata.h"
#include "util_darwin.h"
//#include "fileutils.h"
extern "C" int preferences_save(void);
static int s_Buff[MAX_GRAPH_TRACE_LEN];
static bool g_useOverlays = false;
static int g_absVMax = 0;
static uint32_t startMax; // Maximum offset in the graph (right side of graph)
static uint32_t PageWidth; // How many samples are currently visible on this 'page' / graph
static int unlockStart = 0;
void ProxGuiQT::ShowGraphWindow(void) {
emit ShowGraphWindowSignal();
}
void ProxGuiQT::RepaintGraphWindow(void) {
emit RepaintGraphWindowSignal();
}
void ProxGuiQT::HideGraphWindow(void) {
emit HideGraphWindowSignal();
}
// emit picture viewer signals
void ProxGuiQT::ShowPictureWindow(char *fn) {
emit ShowPictureWindowSignal(fn);
}
void ProxGuiQT::RepaintPictureWindow(void) {
emit RepaintPictureWindowSignal();
}
void ProxGuiQT::HidePictureWindow(void) {
emit HidePictureWindowSignal();
}
void ProxGuiQT::Exit(void) {
emit ExitSignal();
}
void ProxGuiQT::_ShowGraphWindow(void) {
if (!plotapp)
return;
if (!plotwidget) {
#if defined(__MACH__) && defined(__APPLE__)
makeFocusable();
#endif
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();
}
// picture viewer
void ProxGuiQT::_ShowPictureWindow(char *fn) {
if (!plotapp)
return;
if (fn == NULL)
return;
size_t slen = strlen(fn);
if (slen == 0)
return;
char *myfn = (char *)calloc(slen + 1, sizeof(uint8_t));
if (myfn == NULL)
return;
memcpy(myfn, fn, slen);
if (!pictureWidget) {
#if defined(__MACH__) && defined(__APPLE__)
makeFocusable();
#endif
pictureWidget = new PictureWidget();
}
QPixmap pm;
if (pm.load(myfn) == false) {
qWarning("Failed to load %s", myfn);
}
free(myfn);
free(fn);
//QPixmap newPixmap = pm.scaled(QSize(50,50), Qt::KeepAspectRatio);
//pm = pm.scaled(pictureController->lbl_pm->size(), Qt::KeepAspectRatio);
pictureController->lbl_pm->setPixmap(pm);
pictureController->lbl_pm->setScaledContents(false);
pictureController->lbl_pm->setAlignment(Qt::AlignCenter);
QString s = QString("w: %1 h: %2")
.arg(pm.size().width())
.arg(pm.size().height()
);
pictureController->lbl_sz->setText(s);
pictureWidget->show();
}
void ProxGuiQT::_RepaintPictureWindow(void) {
if (!plotapp || !pictureWidget)
return;
pictureWidget->update();
}
void ProxGuiQT::_HidePictureWindow(void) {
if (!plotapp || !pictureWidget)
return;
pictureWidget->hide();
}
void ProxGuiQT::_Exit(void) {
delete this;
}
void ProxGuiQT::_StartProxmarkThread(void) {
if (!proxmarkThread)
return;
// if thread finished delete self and delete application
QObject::connect(proxmarkThread, SIGNAL(finished()), proxmarkThread, SLOT(deleteLater()));
QObject::connect(proxmarkThread, SIGNAL(finished()), this, SLOT(_Exit()));
// start proxmark thread
proxmarkThread->start();
}
void ProxGuiQT::MainLoop() {
plotapp = new QApplication(argc, argv);
// Setup the picture widget
pictureWidget = new PictureWidget();
pictureController = new Ui::PictureForm();
pictureController->setupUi(pictureWidget);
// pictureWidget->setAttribute(Qt::WA_DeleteOnClose,true);
// Set picture widget position if no settings.
if (session.preferences_loaded == false) {
// Move controller widget below plot
//pictureController->move(x(), y() + frameSize().height());
//pictureController->resize(size().width(), 200);
}
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()));
// hook up picture viewer signals
connect(this, SIGNAL(ShowPictureWindowSignal(char *)), this, SLOT(_ShowPictureWindow(char *)));
connect(this, SIGNAL(RepaintPictureWindowSignal()), this, SLOT(_RepaintPictureWindow()));
connect(this, SIGNAL(HidePictureWindowSignal()), this, SLOT(_HidePictureWindow()));
//start proxmark thread after starting event loop
QTimer::singleShot(200, this, SLOT(_StartProxmarkThread()));
#if defined(__MACH__) && defined(__APPLE__)
//Prevent the terminal from loosing focus during launch by making the client unfocusable
makeUnfocusable();
#endif
plotapp->exec();
}
ProxGuiQT::ProxGuiQT(int argc, char **argv, WorkerThread *wthread) :
plotapp(NULL), plotwidget(NULL), pictureController(NULL), pictureWidget(NULL), argc(argc), argv(argv), proxmarkThread(wthread) {
}
ProxGuiQT::~ProxGuiQT(void) {
if (pictureController) {
delete pictureController;
pictureController = NULL;
}
if (pictureWidget) {
pictureWidget->close();
delete pictureWidget;
pictureWidget = NULL;
}
if (plotapp) {
plotapp->quit();
plotapp = NULL;
}
}
// -------------------------------------------------
// Slider Widget form based on a class to enable
// Event override functions
// -------------------------------------------------
PictureWidget::PictureWidget() {
// Set the initail postion and size from settings
// if (session.preferences_loaded)
// setGeometry(session.pw.x, session.pw.y, session.pw.w, session.pw.h);
// else
resize(400, 400);
}
void PictureWidget::closeEvent(QCloseEvent *event) {
this->hide();
event->ignore();
}
// -------------------------------------------------
// Slider Widget form based on a class to enable
// Event override functions
// -------------------------------------------------
SliderWidget::SliderWidget() {
// Set the initail postion and size from settings
if (session.preferences_loaded)
setGeometry(session.overlay.x, session.overlay.y, session.overlay.w, session.overlay.h);
else
resize(800, 400);
}
void SliderWidget::resizeEvent(QResizeEvent *event) {
session.overlay.h = event->size().height();
session.overlay.w = event->size().width();
session.window_changed = true;
}
void SliderWidget::moveEvent(QMoveEvent *event) {
session.overlay.x = event->pos().x();
session.overlay.y = event->pos().y();
session.window_changed = true;
}
//--------------------
void ProxWidget::applyOperation() {
//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 = 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) {
//extern int AskEdgeDetect(const int *in, int *out, int len, int threshold);
int 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;
// Set the initail postion and size from settings
if (session.preferences_loaded)
setGeometry(session.plot.x, session.plot.y, session.plot.w, session.plot.h);
else
resize(800, 400);
// Setup the controller widget
controlWidget = new SliderWidget();
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->setGeometry(session.overlay.x, session.overlay.y, session.overlay.w, session.overlay.h);
// Set up the plot widget, which does the actual plotting
plot = new Plot(this);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(plot);
setLayout(layout);
// plot window title
QString pt = QString("[*]Plot [ %1 ]").arg(conn.serial_port_name);
setWindowTitle(pt);
// shows plot window on the screen.
show();
// Set Slider/Overlay position if no settings.
if (session.preferences_loaded == false) {
// Move controller widget below plot
controlWidget->move(x(), y() + frameSize().height());
controlWidget->resize(size().width(), 200);
}
// Olverlays / slider window title
QString ct = QString("[*]Slider [ %1 ]").arg(conn.serial_port_name);
controlWidget->setWindowTitle(ct);
// The hide/show event functions should take care of this.
// controlWidget->show();
// now that is up, reset pos/size change flags
session.window_changed = false;
}
// 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 (opsController) {
delete opsController;
opsController = NULL;
}
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) {
if (session.overlay_sliders)
controlWidget->show();
else
controlWidget->hide();
plot->show();
}
void ProxWidget::moveEvent(QMoveEvent *event) {
session.plot.x = event->pos().x();
session.plot.y = event->pos().y();
session.window_changed = true;
}
void ProxWidget::resizeEvent(QResizeEvent *event) {
session.plot.h = event->size().height();
session.plot.w = event->size().width();
session.window_changed = true;
}
//----------- 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;
if (maxVal == 0) ++maxVal;
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 BLACK = QColor(0, 0, 0);
static const QColor GRAY60 = QColor(60, 60, 60);
static const QColor GRAY100 = QColor(100, 100, 100);
static const QColor GRAY240 = QColor(240, 240, 240);
static const QColor WHITE = QColor(255, 255, 255);
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 YELLOW = QColor(255, 255, 0);
static const QColor PINK = QColor(255, 0, 255);
static const QColor ORANGE = QColor(255, 153, 0);
static const QColor LIGHTBLUE = QColor(100, 209, 246);
QColor Plot::getColor(int graphNum) {
switch (graphNum) {
case 0:
return GREEN;
case 1:
return RED;
case 2:
return BLUE;
default:
return GRAY240;
}
}
void Plot::setMaxAndStart(int *buffer, size_t len, QRect plotRect) {
if (len == 0) return;
startMax = 0;
if (plotRect.right() >= plotRect.left() + 40) {
uint32_t t = (plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint;
if (len >= t)
startMax = len - t;
}
if (GraphStart > startMax) {
GraphStart = startMax;
}
if (GraphStart > len) return;
int vMin = INT_MAX, vMax = INT_MIN;
uint32_t sample_index = GraphStart ;
for (; sample_index < len && xCoordOf(sample_index, plotRect) < plotRect.right() ; sample_index++) {
int v = buffer[sample_index];
if (v < vMin) vMin = v;
if (v > vMax) vMax = v;
}
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);
}
void Plot::PlotDemod(uint8_t *buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum, uint32_t 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);
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 j = 0; j < (clk) && i < (int)len && xCoordOf(DemodStart + delta_x + j, plotRect) < plotRect.right() ; j++) {
int x = xCoordOf(DemodStart + delta_x + j, plotRect);
int v = buffer[i] * 200 - 100;
int y = yCoordOf(v, plotRect, absVMax);
if ((i == BitStart) && (j == 0)) { // First point
penPath.moveTo(x, y);
} else {
penPath.lineTo(x, y);
}
if (GraphPixelsPerPoint > 10) {
QRect f(QPoint(x - 3, y - 3), QPoint(x + 3, y + 3));
painter->fillRect(f, getColor(graphNum));
}
if (j == (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, size_t 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, v = 0;
int64_t vMean = 0;
uint32_t 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++) {
x = xCoordOf(i, plotRect);
v = buffer[i];
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));
painter->fillRect(f, GREEN);
}
// catch stats
if (v < vMin) vMin = v;
if (v > vMax) vMax = v;
vMean += v;
}
GraphStop = i;
vMean /= (GraphStop - GraphStart);
painter->setPen(getColor(graphNum));
// Draw y-axis
int xo = 5 + (graphNum * 40);
painter->drawLine(xo, plotRect.top(), xo, plotRect.bottom());
int vMarkers = (g_absVMax - (g_absVMax % 10)) / 5;
int minYDist = 40; // Minimum pixel-distance between markers
char yLbl[20];
int n = 0;
int lasty0 = 65535;
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=%" PRId64 " n=%u/%zu CursorAVal=[%d] CursorBVal=[%d]",
vMax, vMin, vMean, GraphStop - GraphStart, 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;
double offset = GridOffset;
if (GridLocked && PlotGridX) {
offset = GridOffset + PlotGridX - fmod(GraphStart, PlotGridX);
} else if (!GridLocked && GraphStart > 0 && PlotGridX) {
offset = PlotGridX - fmod(GraphStart - offset, PlotGridX) + GraphStart - unlockStart;
}
offset = fmod(offset, PlotGridX);
if (offset < 0) offset += PlotGridX;
double i;
double grid_delta_x = 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) {
// line above mid
painter->drawLine(r.left(), yCoordOf(i, r, g_absVMax), r.right(), yCoordOf(i, r, g_absVMax));
// line below mid
painter->drawLine(r.left(), yCoordOf(-i, r, g_absVMax), r.right(), yCoordOf(-i, r, g_absVMax));
}
}
}
#define HEIGHT_INFO 60
#define WIDTH_AXES 80
void Plot::paintEvent(QPaintEvent *event) {
QPainter painter(this);
QBrush brush(GREEN);
QPen pen(GREEN);
painter.setFont(QFont("Courier New", 10));
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);
PageWidth = plotRect.width() / GraphPixelsPerPoint;
//Grey background
painter.fillRect(rect(), GRAY60);
//Black foreground
painter.fillRect(plotRect, BLACK);
//init graph variables
setMaxAndStart(GraphBuffer, GraphTraceLen, plotRect);
// center line
int zeroHeight = plotRect.top() + (plotRect.bottom() - plotRect.top()) / 2;
painter.setPen(GRAY100);
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(YELLOW);
painter.drawLine(xCoordOf(CursorAPos, plotRect), plotRect.top(), xCoordOf(CursorAPos, plotRect), plotRect.bottom());
}
if (CursorBPos > GraphStart && xCoordOf(CursorBPos, plotRect) < plotRect.right()) {
painter.setPen(PINK);
painter.drawLine(xCoordOf(CursorBPos, plotRect), plotRect.top(), xCoordOf(CursorBPos, plotRect), plotRect.bottom());
}
if (CursorCPos > GraphStart && xCoordOf(CursorCPos, plotRect) < plotRect.right()) {
painter.setPen(ORANGE);
painter.drawLine(xCoordOf(CursorCPos, plotRect), plotRect.top(), xCoordOf(CursorCPos, plotRect), plotRect.bottom());
}
if (CursorDPos > GraphStart && xCoordOf(CursorDPos, plotRect) < plotRect.right()) {
painter.setPen(LIGHTBLUE);
painter.drawLine(xCoordOf(CursorDPos, plotRect), plotRect.top(), xCoordOf(CursorDPos, plotRect), plotRect.bottom());
}
//Draw annotations
char str[200];
char scalestr[30] = {0};
if (CursorScaleFactor != 1) {
if (CursorScaleFactorUnit[0] == '\x00') {
sprintf(scalestr, "[%2.2f] ", ((int32_t)(CursorBPos - CursorAPos)) / CursorScaleFactor);
} else {
sprintf(scalestr, "[%2.2f %s] ", ((int32_t)(CursorBPos - CursorAPos)) / CursorScaleFactor, CursorScaleFactorUnit);
}
}
sprintf(str, "@%u..%u dt=%i %szoom=%2.2f CursorAPos=%u CursorBPos=%u GridX=%lf GridY=%lf (%s) GridXoffset=%lf",
GraphStart,
GraphStop,
CursorBPos - CursorAPos,
scalestr,
GraphPixelsPerPoint,
CursorAPos,
CursorBPos,
PlotGridXdefault,
PlotGridYdefault,
GridLocked ? "Locked" : "Unlocked",
GridOffset
);
painter.setPen(WHITE);
painter.drawText(20, infoRect.bottom() - 3, str);
}
Plot::Plot(QWidget *parent) : QWidget(parent), GraphPixelsPerPoint(1) {
//Need to set this, otherwise we don't receive keypress events
setFocusPolicy(Qt::StrongFocus);
resize(400, 200);
QPalette palette(QColor(0, 0, 0, 0));
palette.setColor(QPalette::WindowText, WHITE);
palette.setColor(QPalette::Text, WHITE);
palette.setColor(QPalette::Button, GRAY100);
setPalette(palette);
setAutoFillBackground(true);
CursorAPos = 0;
CursorBPos = 0;
GraphStart = 0;
GraphStop = 0;
setWindowTitle(tr("Sliders"));
master = parent;
}
void Plot::closeEvent(QCloseEvent *event) {
event->ignore();
this->hide();
g_useOverlays = false;
}
void Plot::Zoom(double factor, uint32_t refX) {
if (factor >= 1) { // Zoom in
if (GraphPixelsPerPoint <= 25 * factor) {
GraphPixelsPerPoint *= factor;
if (refX > GraphStart) {
GraphStart += (refX - GraphStart) - ((refX - GraphStart) / factor);
}
}
} else { // Zoom out
if (GraphPixelsPerPoint >= 0.01 / factor) {
GraphPixelsPerPoint *= factor;
if (refX > GraphStart) {
if (GraphStart >= ((refX - GraphStart) / factor) - (refX - GraphStart)) {
GraphStart -= ((refX - GraphStart) / factor) - (refX - GraphStart);
} else {
GraphStart = 0;
}
}
}
}
}
void Plot::Move(int offset) {
if (GraphTraceLen == 0) return;
if (offset > 0) { // Move right
if (GraphPixelsPerPoint < 20) {
GraphStart += offset;
} else {
GraphStart++;
}
} else { // Move left
if (GraphPixelsPerPoint < 20) {
if (GraphStart >= (uint) - offset) {
GraphStart += offset;
} else {
GraphStart = 0;
}
} else {
if (GraphStart > 0) {
GraphStart--;
}
}
}
}
void Plot::Trim(void) {
uint32_t lref, rref;
const double zoom_offset = 1.148698354997035; // 2**(1/5)
if ((CursorAPos == 0) || (CursorBPos == 0)) { // if we don't have both cursors set
lref = GraphStart;
rref = GraphStop;
if (CursorAPos >= lref) {
CursorAPos -= lref;
} else {
CursorAPos = 0;
}
if (CursorBPos >= lref) {
CursorBPos -= lref;
} else {
CursorBPos = 0;
}
} else {
lref = CursorAPos < CursorBPos ? CursorAPos : CursorBPos;
rref = CursorAPos < CursorBPos ? CursorBPos : CursorAPos;
// GraphPixelsPerPoint mush remain a power of zoom_offset
double GPPPtarget = GraphPixelsPerPoint * (GraphStop - GraphStart) / (rref - lref);
while (GraphPixelsPerPoint < GPPPtarget) {
GraphPixelsPerPoint *= zoom_offset;
}
GraphPixelsPerPoint /= zoom_offset;
CursorAPos -= lref;
CursorBPos -= lref;
}
g_DemodStartIdx -= lref;
for (uint32_t i = lref; i < rref; ++i)
GraphBuffer[i - lref] = GraphBuffer[i];
GraphTraceLen = rref - lref;
GraphStart = 0;
}
void Plot::wheelEvent(QWheelEvent *event) {
// event->delta()
// 120 => shift right 5%
// -120 => shift left 5%
const float move_offset = 0.05;
// -120+shift => zoom in (5 times = *2)
// 120+shift => zoom out (5 times = /2)
const double zoom_offset = 1.148698354997035; // 2**(1/5)
if (event->modifiers() & Qt::ShiftModifier) {
// event->position doesn't exist in QT5.12.8, both exist in 5.14.2 and event->x doesn't exist in 5.15.0
#if QT_VERSION >= 0x050d00
uint32_t x = event->position().x();
#else
uint32_t x = event->x();
#endif
x -= WIDTH_AXES;
x = (int)(x / GraphPixelsPerPoint);
x += GraphStart;
// event->angleDelta doesn't exist in QT4, both exist in 5.12.8 and 5.14.2 and event->delta doesn't exist in 5.15.0
#if QT_VERSION >= 0x050d00
float delta = event->angleDelta().y();
#else
float delta = event->delta();
#endif
if (delta < 0) {
Zoom(zoom_offset, x);
} else {
Zoom(1.0 / zoom_offset, x);
}
} else {
#if QT_VERSION >= 0x050d00
Move(PageWidth * (-(float)event->angleDelta().y() / (120 / move_offset)));
#else
Move(PageWidth * (-(float)event->delta() / (120 / move_offset)));
#endif
}
this->update();
}
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) {
uint32_t offset; // Left/right movement offset (in sample size)
const double zoom_offset = 1.148698354997035; // 2**(1/5)
if (event->modifiers() & Qt::ShiftModifier) {
if (PlotGridX)
offset = PageWidth - fmod(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 (event->modifiers() & Qt::ShiftModifier) {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(zoom_offset, CursorBPos);
} else {
Zoom(2, CursorBPos);
}
} else {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(zoom_offset, CursorAPos);
} else {
Zoom(2, CursorAPos);
}
}
break;
case Qt::Key_Up:
if (event->modifiers() & Qt::ShiftModifier) {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(1.0 / zoom_offset, CursorBPos);
} else {
Zoom(0.5, CursorBPos);
}
} else {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(1.0 / zoom_offset, CursorAPos);
} else {
Zoom(0.5, CursorAPos);
}
}
break;
case Qt::Key_Right:
Move(offset);
break;
case Qt::Key_Left:
Move(-offset);
break;
case Qt::Key_Greater:
g_DemodStartIdx += 1;
break;
case Qt::Key_Less:
g_DemodStartIdx -= 1;
break;
case Qt::Key_G:
if (PlotGridX || PlotGridY) {
PlotGridX = 0;
PlotGridY = 0;
} else {
if (PlotGridXdefault < 0)
PlotGridXdefault = 64;
if (PlotGridYdefault < 0)
PlotGridYdefault = 0;
PlotGridX = PlotGridXdefault;
PlotGridY = PlotGridYdefault;
}
break;
case Qt::Key_H:
g_printAndLog = PRINTANDLOG_PRINT;
PrintAndLogEx(NORMAL, "\n\n" _CYAN_("PLOT window keystrokes and mouse events"));
PrintAndLogEx(NORMAL, "\n" _GREEN_("Move:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("Home") "/" _RED_("End"), "Move to the start/end of the graph");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _YELLOW_("Mouse wheel"), "Move left/right");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("Left") "/" _RED_("Right"), "Move left/right");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... by 1 sample");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Shift"), "... by 1 window");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("PgUp") "/" _RED_("PgDown"), "Move left/right by 1 window");
PrintAndLogEx(NORMAL, "\n" _GREEN_("Zoom:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("Shift") " + " _YELLOW_("Mouse wheel"), "Zoom in/out around mouse cursor");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("Down") "/" _RED_("Up"), "Zoom in/out around yellow cursor");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... with smaller increment");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Shift"), "... around purple cursor");
PrintAndLogEx(NORMAL, "\n" _GREEN_("Trim:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("t"), "Trim data on window or on cursors if defined");
PrintAndLogEx(NORMAL, "\n" _GREEN_("Grid and demod:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("g"), "Toggle grid and demodulation plot display");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("l"), "Toggle lock grid relative to samples");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("<") "/" _RED_(">"), "Move demodulation left/right relative to samples");
PrintAndLogEx(NORMAL, "\n" _GREEN_("Misc:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _YELLOW_("Left mouse click"), "Set yellow cursor");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _YELLOW_("Right mouse click"), "Set purple cursor");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("h"), "Show this help");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("q"), "Close plot window");
g_printAndLog = PRINTANDLOG_PRINT | PRINTANDLOG_LOG;
break;
case Qt::Key_L:
GridLocked = !GridLocked;
if (GridLocked)
GridOffset += (GraphStart - unlockStart);
else
unlockStart = GraphStart;
break;
case Qt::Key_Q:
master->hide();
break;
case Qt::Key_T:
Trim();
break;
case Qt::Key_Home:
GraphStart = 0;
break;
case Qt::Key_End:
GraphStart = startMax;
break;
case Qt::Key_PageUp:
if (GraphStart >= PageWidth) {
GraphStart -= PageWidth;
} else {
GraphStart = 0;
}
break;
case Qt::Key_PageDown:
GraphStart += PageWidth;
if (GraphStart > startMax)
GraphStart = startMax;
break;
default:
QWidget::keyPressEvent(event);
return;
break;
}
this->update();
}
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