proxmark3/client/src/proxguiqt.cpp
iceman1001 42f0699c78 style
2024-05-14 10:04:28 +02:00

1578 lines
49 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// See LICENSE.txt 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 gs_absVMax = 0;
static uint32_t startMax; // Maximum offset in the graph (right side of graph)
static uint32_t startMaxOld;
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(const QImage &img) {
emit ShowPictureWindowSignal(img);
}
void ProxGuiQT::ShowBase64PictureWindow(char *b64) {
emit ShowBase64PictureWindowSignal(b64);
}
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(const QImage &img) {
if (!plotapp)
return;
if (img.isNull())
return;
if (!pictureWidget) {
#if defined(__MACH__) && defined(__APPLE__)
makeFocusable();
#endif
pictureWidget = new PictureWidget();
}
QPixmap pm = QPixmap::fromImage(img);
//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::_ShowBase64PictureWindow(char *b64) {
if (!plotapp)
return;
if (b64 == NULL)
return;
size_t slen = strlen(b64);
if (slen == 0)
return;
char *myb64data = (char *)calloc(slen + 1, sizeof(uint8_t));
if (myb64data == NULL)
return;
memcpy(myb64data, b64, slen);
if (!pictureWidget) {
#if defined(__MACH__) && defined(__APPLE__)
makeFocusable();
#endif
pictureWidget = new PictureWidget();
}
QPixmap pm;
if (pm.loadFromData(QByteArray::fromBase64(myb64data), "PNG") == false) {
qWarning("Failed to read base64 data: %s", myb64data);
}
free(myb64data);
//free(b64);
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 (g_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(const QImage &)), this, SLOT(_ShowPictureWindow(const QImage &)));
connect(this, SIGNAL(ShowBase64PictureWindowSignal(char *)), this, SLOT(_ShowBase64PictureWindow(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 initial position and size from settings
// if (g_session.preferences_loaded)
// setGeometry(g_session.pw.x, g_session.pw.y, g_session.pw.w, g_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 initial position and size from settings
if (g_session.preferences_loaded)
setGeometry(g_session.overlay.x, g_session.overlay.y, g_session.overlay.w, g_session.overlay.h);
else
resize(800, 400);
}
void SliderWidget::resizeEvent(QResizeEvent *event) {
g_session.overlay.h = event->size().height();
g_session.overlay.w = event->size().width();
g_session.window_changed = true;
}
void SliderWidget::moveEvent(QMoveEvent *event) {
g_session.overlay.x = event->pos().x();
g_session.overlay.y = event->pos().y();
g_session.window_changed = true;
}
//--------------------
void ProxWidget::applyOperation() {
//printf("ApplyOperation()");
//g_saveState_gb = save_bufferS32(g_GraphBuffer, g_GraphTraceLen);
memcpy(g_GraphBuffer, g_OverlayBuffer, sizeof(int) * g_GraphTraceLen);
RepaintGraphWindow();
}
void ProxWidget::stickOperation() {
//restore_bufferS32(g_saveState_gb, g_GraphBuffer);
//printf("stickOperation()");
}
void ProxWidget::vchange_autocorr(int v) {
int ans = AutoCorrelate(g_GraphBuffer, g_OverlayBuffer, g_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(g_GraphBuffer, g_OverlayBuffer, g_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(g_GraphBuffer, g_OverlayBuffer, g_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(g_GraphBuffer, g_OverlayBuffer, g_GraphTraceLen, v, up);
g_useOverlays = true;
RepaintGraphWindow();
}
void ProxWidget::updateNavSlider() {
navSlider->blockSignals(true);
navSlider->setValue(g_GraphStart);
navSlider->setMaximum(startMax);
// for startMaxOld < g_GraphStart or startMax < g_GraphStart_old
navSlider->setValue(g_GraphStart);
navSlider->setMaximum(startMax);
// for click
navSlider->setPageStep(startMax / 10);
navSlider->blockSignals(false);
}
ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) {
this->master = master;
// Set the initial position and size from settings
if (g_session.preferences_loaded)
setGeometry(g_session.plot.x, g_session.plot.y, g_session.plot.w, g_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(g_session.overlay.x, g_session.overlay.y, g_session.overlay.w, g_session.overlay.h);
// Set up the plot widget, which does the actual plotting
plot = new Plot(this);
navSlider = new QSlider(this);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(plot, 1);
layout->addWidget(navSlider);
setLayout(layout);
navSlider->setOrientation(Qt::Horizontal);
plot->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
navSlider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
QObject::connect(navSlider, SIGNAL(valueChanged(int)), plot, SLOT(MoveTo(int)));
QObject::connect(plot, SIGNAL(startMaxChanged(uint32_t)), this, SLOT(updateNavSlider(void)));
QObject::connect(plot, SIGNAL(graphStartChanged(uint32_t)), this, SLOT(updateNavSlider(void)));
// plot window title
QString pt = QString("[*]Plot [ %1 ]").arg(g_conn.serial_port_name);
setWindowTitle(pt);
// shows plot window on the screen.
show();
// Set Slider/Overlay position if no settings.
if (g_session.preferences_loaded == false) {
// Move controller widget below plot
controlWidget->move(x(), y() + frameSize().height());
controlWidget->resize(size().width(), 200);
}
// Overlays / slider window title
QString ct = QString("[*]Slider [ %1 ]").arg(g_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
g_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 (g_session.overlay_sliders)
controlWidget->show();
else
controlWidget->hide();
plot->show();
}
void ProxWidget::moveEvent(QMoveEvent *event) {
g_session.plot.x = event->pos().x();
g_session.plot.y = event->pos().y();
g_session.window_changed = true;
}
void ProxWidget::resizeEvent(QResizeEvent *event) {
g_session.plot.h = event->size().height();
g_session.plot.w = event->size().width();
g_session.window_changed = true;
}
//----------- Plotting
int Plot::xCoordOf(int i, QRect r) {
return r.left() + (int)((i - g_GraphStart) * g_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 CITRON = QColor(215, 197, 46);
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) / g_GraphPixelsPerPoint;
if (len >= t) {
startMax = len - t;
}
}
if (g_GraphStart > startMax) {
g_GraphStart = startMax;
}
if (g_GraphStart > len) {
return;
}
int vMin = INT_MAX, vMax = INT_MIN;
uint32_t sample_index = g_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;
}
gs_absVMax = 0;
if (fabs((double) vMin) > gs_absVMax) {
gs_absVMax = (int)fabs((double) vMin);
}
if (fabs((double) vMax) > gs_absVMax) {
gs_absVMax = (int)fabs((double) vMax);
}
gs_absVMax = (int)(gs_absVMax * 1.25 + 1);
}
void Plot::appendMax(int *buffer, size_t len, QRect plotRect) {
if (len == 0) {
return;
}
int vMin = INT_MAX, vMax = INT_MIN;
uint32_t sample_index = g_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;
}
if (fabs((double) vMin) > gs_absVMax) {
gs_absVMax = (int)fabs((double) vMin);
}
if (fabs((double) vMax) > gs_absVMax) {
gs_absVMax = (int)fabs((double) vMax);
}
gs_absVMax = (int)(gs_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 || g_PlotGridX <= 0) {
return;
}
QPainterPath penPath;
int grid_delta_x = g_PlotGridX;
int first_delta_x = grid_delta_x; //(plotOffset > 0) ? g_PlotGridX : (g_PlotGridX +);
if (g_GraphStart > plotOffset) first_delta_x -= (g_GraphStart - plotOffset);
int DemodStart = g_GraphStart;
if (plotOffset > g_GraphStart) DemodStart = plotOffset;
int BitStart = 0;
// round down
if (DemodStart - plotOffset > 0) BitStart = (int)(((DemodStart - plotOffset) + (g_PlotGridX - 1)) / g_PlotGridX) - 1;
first_delta_x += BitStart * g_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 (g_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
snprintf(str, sizeof(str), "%u", buffer[i]);
painter->drawText(x - 8, y + ((buffer[i] > 0) ? 18 : -6), str);
}
}
delta_x += clk;
clk = grid_delta_x;
}
painter->drawPath(penPath);
}
void Plot::PlotGraph(int *buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum) {
if (len == 0) {
return;
}
QPainterPath penPath;
int64_t vMean = 0;
uint32_t i = 0;
int vMin = INT_MAX, vMax = INT_MIN, v = 0;
int x = xCoordOf(g_GraphStart, plotRect);
int y = yCoordOf(buffer[g_GraphStart], plotRect, gs_absVMax);
penPath.moveTo(x, y);
for (i = g_GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) {
x = xCoordOf(i, plotRect);
v = buffer[i];
y = yCoordOf(v, plotRect, gs_absVMax);
penPath.lineTo(x, y);
if (g_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;
}
g_GraphStop = i;
vMean /= (g_GraphStop - g_GraphStart);
painter->setPen(getColor(graphNum));
// Draw y-axis
int xo = 5 + (graphNum * 40);
painter->drawLine(xo, plotRect.top(), xo, plotRect.bottom());
int vMarkers = (gs_absVMax - (gs_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, gs_absVMax) > plotRect.top() && n < 20; v += vMarkers, n++) {
int y0 = yCoordOf(v, plotRect, gs_absVMax);
int y1 = yCoordOf(-v, plotRect, gs_absVMax);
if (lasty0 - y0 < minYDist) {
continue;
}
painter->drawLine(xo - 5, y0, xo + 5, y0);
snprintf(yLbl, sizeof(yLbl), "%d", v);
painter->drawText(xo + 8, y0 + 7, yLbl);
painter->drawLine(xo - 5, y1, xo + 5, y1);
snprintf(yLbl, sizeof(yLbl), "%d", -v);
painter->drawText(xo + 8, y1 + 5, yLbl);
lasty0 = y0;
}
//Graph annotations
painter->drawPath(penPath);
char str[200];
snprintf(str, sizeof(str), "max=%d min=%d mean=%" PRId64 " n=%u/%zu",
vMax,
vMin,
vMean,
g_GraphStop - g_GraphStart,
len
);
painter->drawText(20, annotationRect.bottom() - (48 - (12 * graphNum)), str);
}
void Plot::drawAnnotations(QRect annotationRect, QPainter *painter) {
char *annotation;
uint32_t length = 0;
// Make a tiny black box at the bottom of the plot window
QRect f(QPoint(80, annotationRect.bottom() - 59), QPoint(annotationRect.right(), annotationRect.bottom() - 74));
painter->fillRect(f, BLACK);
//Setup the scale string
char scalestr[20] = {0};
if (g_CursorScaleFactor != 1) {
if (g_CursorScaleFactorUnit[0] == '\x00') {
snprintf(scalestr, sizeof(scalestr), "[%2.2f] ", ((int32_t)(g_MarkerB.pos - g_MarkerA.pos)) / g_CursorScaleFactor);
} else {
snprintf(scalestr, sizeof(scalestr), "[%2.2f %s] ", ((int32_t)(g_MarkerB.pos - g_MarkerA.pos)) / g_CursorScaleFactor, g_CursorScaleFactorUnit);
}
}
//Print the Graph Information
char graphText[] = "@%u..%u dt=%i %s zoom=%2.3f";
length = ((sizeof(graphText)) + (sizeof(uint32_t) * 3) + sizeof(scalestr) + sizeof(float_t));
annotation = (char *)calloc(1, length);
snprintf(annotation, length, graphText,
g_GraphStart,
g_GraphStop,
g_MarkerB.pos - g_MarkerA.pos,
scalestr,
g_GraphPixelsPerPoint
);
painter->setPen(GREEN);
painter->drawText(82, annotationRect.bottom() - 62, annotation);
//Print Grid Information if the grid is enabled
if (g_PlotGridX > 0) {
free(annotation);
const char *gridLocked = (g_GridLocked ? "Locked" : "Unlocked");
char gridText[] = "GridX=%lf GridY=%lf (%s) GridXoffset=%lf";
length = (sizeof(gridText) + (sizeof(double) * 3) + sizeof(gridLocked));
annotation = (char *)calloc(1, length);
snprintf(annotation, length, gridText,
g_DefaultGridX,
g_DefaultGridY,
gridLocked,
g_GridOffset
);
painter->setPen(WHITE);
painter->drawText(800, annotationRect.bottom() - 62, annotation);
}
//Print the Marker Information
char markerText[] = "Marker%s={Pos=%u Val=%d}";
uint32_t pos = 0, loc = 375;
painter->setPen(WHITE);
if (g_MarkerA.pos > 0) {
free(annotation);
length = (sizeof(markerText) + (sizeof(uint32_t) * 3) + sizeof(" ") + 1);
pos = g_MarkerA.pos;
bool flag = false;
size_t value;
annotation = (char *)calloc(1, length);
char *textA = (char *)calloc(1, length);
strcat(textA, markerText);
strcat(textA, " (%s%u)");
if (g_GraphBuffer[pos] <= g_OperationBuffer[pos]) {
flag = true;
value = (g_OperationBuffer[pos] - g_GraphBuffer[pos]);
} else {
value = (g_GraphBuffer[pos] - g_OperationBuffer[pos]);
}
snprintf(annotation, length, textA,
"A",
pos,
g_GraphBuffer[pos],
flag ? "+" : "-",
value
);
painter->drawText(loc, annotationRect.bottom() - 48, annotation);
free(textA);
}
if (g_MarkerB.pos > 0) {
free(annotation);
length = ((sizeof(markerText)) + (sizeof(uint32_t) * 2) + 1);
pos = g_MarkerB.pos;
annotation = (char *)calloc(1, length);
snprintf(annotation, length, markerText,
"B",
pos,
g_GraphBuffer[pos]
);
painter->drawText(loc, annotationRect.bottom() - 36, annotation);
}
if (g_MarkerC.pos > 0) {
free(annotation);
length = ((sizeof(markerText)) + (sizeof(uint32_t) * 2) + 1);
pos = g_MarkerC.pos;
annotation = (char *)calloc(1, length);
snprintf(annotation, length, markerText,
"C",
pos,
g_GraphBuffer[pos]
);
painter->drawText(loc, annotationRect.bottom() - 24, annotation);
}
if (g_MarkerD.pos > 0) {
free(annotation);
length = ((sizeof(markerText)) + (sizeof(uint32_t) * 2) + 1);
pos = g_MarkerD.pos;
annotation = (char *)calloc(1, length);
snprintf(annotation, length, markerText,
"D",
pos,
g_GraphBuffer[pos]
);
painter->drawText(loc, annotationRect.bottom() - 12, annotation);
}
free(annotation);
}
void Plot::plotGridLines(QPainter *painter, QRect r) {
// set g_GridOffset
if (g_PlotGridX <= 0) {
return;
}
double offset = g_GridOffset;
if (g_GridLocked && g_PlotGridX) {
offset = g_GridOffset + g_PlotGridX - fmod(g_GraphStart, g_PlotGridX);
} else if (g_GridLocked == false && g_GraphStart > 0 && g_PlotGridX) {
offset = g_PlotGridX - fmod(g_GraphStart - offset, g_PlotGridX) + g_GraphStart - unlockStart;
}
offset = fmod(offset, g_PlotGridX);
if (offset < 0) {
offset += g_PlotGridX;
}
double i;
double grid_delta_x = g_PlotGridX * g_GraphPixelsPerPoint;
int grid_delta_y = g_PlotGridY;
if ((g_PlotGridX > 0) && ((g_PlotGridX * g_GraphPixelsPerPoint) > 1)) {
for (i = (offset * g_GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
painter->drawLine(r.left() + i, r.top(), r.left() + i, r.bottom());
}
}
if (g_PlotGridY > 0) {
for (i = 0; yCoordOf(i, r, gs_absVMax) > r.top(); i += grid_delta_y) {
// line above mid
painter->drawLine(r.left(), yCoordOf(i, r, gs_absVMax), r.right(), yCoordOf(i, r, gs_absVMax));
// line below mid
painter->drawLine(r.left(), yCoordOf(-i, r, gs_absVMax), r.right(), yCoordOf(-i, r, gs_absVMax));
}
}
}
void Plot::plotOperations(int *buffer, size_t len, QPainter *painter, QRect plotRect) {
if (len == 0) {
return;
}
QPainterPath penPath;
int32_t x = xCoordOf(g_GraphStart, plotRect), prevX = 0;
int32_t y = yCoordOf(buffer[g_GraphStart], plotRect, gs_absVMax), prevY = 0;
int32_t current = 0, prev = 0;
bool changed = false;
for (uint32_t pos = g_GraphStart; pos < len && xCoordOf(pos, plotRect) < plotRect.right(); pos++) {
//Store the previous x and y values to move the pen to if we need to draw a line
prevX = x;
prevY = y;
changed = false;
x = xCoordOf(pos, plotRect);
prev = current;
current = buffer[pos];
y = yCoordOf(current, plotRect, gs_absVMax);
//We only want to graph changes between the Graph Buffer and the Operation Buffer
if (current == g_GraphBuffer[pos]) {
//If this point is the same, but the last point is different, we want to plot that line
//as well
if ((pos == 0) || (prev == g_GraphBuffer[pos - 1])) {
continue;
}
} else {
changed = true;
}
penPath.moveTo(prevX, prevY); //Move the pen
penPath.lineTo(x, y); //Draw the line from the previous coords to the new ones
//Only draw a white square if the point is different
if (g_GraphPixelsPerPoint > 10 && changed) {
QRect point(QPoint(x - 3, y - 3), QPoint(x + 3, y + 3));
painter->fillRect(point, WHITE);
}
}
painter->setPen(CITRON);
painter->drawPath(penPath);
}
#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));
QRect plotRect(WIDTH_AXES, 0, width() - WIDTH_AXES, height() - HEIGHT_INFO);
QRect infoRect(0, height() - HEIGHT_INFO, width(), HEIGHT_INFO);
PageWidth = plotRect.width() / g_GraphPixelsPerPoint;
//Grey background
painter.fillRect(rect(), GRAY60);
//Black foreground
painter.fillRect(plotRect, BLACK);
//init graph variables
setMaxAndStart(g_GraphBuffer, g_GraphTraceLen, plotRect);
//appendMax(g_OperationBuffer, g_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(g_GraphBuffer, g_GraphTraceLen, plotRect, infoRect, &painter, 0);
if (g_DemodBufferLen > 8) {
PlotDemod(g_DemodBuffer, g_DemodBufferLen, plotRect, infoRect, &painter, 2, g_DemodStartIdx);
}
//Plot the Operation Overlay
//plotOperations(g_OperationBuffer, g_GraphTraceLen, &painter, plotRect);
//Plot the Overlay
if (g_useOverlays) {
//init graph variables
setMaxAndStart(g_OverlayBuffer, g_GraphTraceLen, plotRect);
PlotGraph(g_OverlayBuffer, g_GraphTraceLen, plotRect, infoRect, &painter, 1);
}
// End graph drawing
//Draw the markers
if (g_TempMarkerSize > 0) {
for (int i = 0; i < g_TempMarkerSize; i++) {
draw_marker(g_TempMarkers[i], plotRect, GRAY100, &painter);
}
}
draw_marker(g_MarkerA, plotRect, YELLOW, &painter);
draw_marker(g_MarkerB, plotRect, PINK, &painter);
draw_marker(g_MarkerC, plotRect, ORANGE, &painter);
draw_marker(g_MarkerD, plotRect, LIGHTBLUE, &painter);
//Draw annotations
drawAnnotations(infoRect, &painter);
if (startMaxOld != startMax) {
emit startMaxChanged(startMax);
}
startMaxOld = startMax;
if (g_GraphStart != g_GraphStart_old) {
emit graphStartChanged(g_GraphStart);
}
g_GraphStart_old = g_GraphStart;
}
void Plot::draw_marker(marker_t marker, QRect plotRect, QColor color, QPainter *painter) {
painter->setPen(color);
//If the marker is outside the buffer length, reset
if (marker.pos > g_GraphTraceLen) {
marker.pos = 0;
}
//Make sure the marker is inside the current plot view to render
if (marker.pos > g_GraphStart && xCoordOf(marker.pos, plotRect) < plotRect.right()) {
painter->drawLine(xCoordOf(marker.pos, plotRect), plotRect.top(), xCoordOf(marker.pos, plotRect), plotRect.bottom());
if (strlen(marker.label) > 0) {
painter->drawText(xCoordOf(marker.pos, plotRect) + 1, plotRect.top() + 12, marker.label);
}
}
}
Plot::Plot(QWidget *parent) : QWidget(parent), g_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);
g_MarkerA.pos = 0;
g_MarkerB.pos = 0;
g_MarkerC.pos = 0;
g_MarkerD.pos = 0;
g_GraphStart = 0;
g_GraphStop = 0;
setWindowTitle(tr("Sliders"));
master = parent;
}
void Plot::closeEvent(QCloseEvent *event) {
event->ignore();
this->hide();
g_useOverlays = false;
}
// every 4 steps the zoom doubles (or halves)
#define ZOOM_STEP (1.189207)
// limit zoom to 32 times in either direction
#define ZOOM_LIMIT (32)
void Plot::Zoom(double factor, uint32_t refX) {
double g_GraphPixelsPerPointNew = g_GraphPixelsPerPoint * factor;
if (factor >= 1) { // Zoom in
if (g_GraphPixelsPerPointNew <= ZOOM_LIMIT) {
g_GraphPixelsPerPoint = g_GraphPixelsPerPointNew;
if (refX > g_GraphStart) {
g_GraphStart += (refX - g_GraphStart) - ((refX - g_GraphStart) / factor);
}
}
} else { // Zoom out
if (g_GraphPixelsPerPointNew >= (1.0 / ZOOM_LIMIT)) {
g_GraphPixelsPerPoint = g_GraphPixelsPerPointNew;
// shift graph towards refX when zooming out
if (refX > g_GraphStart) {
if (g_GraphStart >= ((refX - g_GraphStart) / factor) - (refX - g_GraphStart)) {
g_GraphStart -= ((refX - g_GraphStart) / factor) - (refX - g_GraphStart);
} else {
g_GraphStart = 0;
}
}
}
}
}
void Plot::MoveTo(uint32_t pos) {
if (g_GraphTraceLen == 0) {
return;
}
g_GraphStart = pos;
QObject *signalSender = sender();
if (signalSender != nullptr && signalSender != this) {
// Update if it's triggered by a signal from other object
this->update();
}
}
void Plot::MoveTo(int pos) {
MoveTo((uint32_t)((pos >= 0) ? pos : 0));
// sender() is still valid in the inner call
}
void Plot::Move(int offset) {
if (g_GraphTraceLen == 0) {
return;
}
if (offset > 0) { // Move right
if (g_GraphPixelsPerPoint < 20) {
g_GraphStart += offset;
} else {
g_GraphStart++;
}
} else { // Move left
if (g_GraphPixelsPerPoint < 20) {
if (g_GraphStart >= (uint) - offset) {
g_GraphStart += offset;
} else {
g_GraphStart = 0;
}
} else {
if (g_GraphStart > 0) {
g_GraphStart--;
}
}
}
}
void Plot::Trim(void) {
uint32_t lref, rref;
if ((g_MarkerA.pos == 0) || (g_MarkerB.pos == 0)) { // if we don't have both cursors set
lref = g_GraphStart;
rref = g_GraphStop;
if (g_MarkerA.pos >= lref) {
g_MarkerA.pos -= lref;
} else {
g_MarkerA.pos = 0;
}
if (g_MarkerB.pos >= lref) {
g_MarkerB.pos -= lref;
} else {
g_MarkerB.pos = 0;
}
} else {
lref = g_MarkerA.pos < g_MarkerB.pos ? g_MarkerA.pos : g_MarkerB.pos;
rref = g_MarkerA.pos < g_MarkerB.pos ? g_MarkerB.pos : g_MarkerA.pos;
// g_GraphPixelsPerPoint must remain a power of ZOOM_STEP
double GPPPtarget = g_GraphPixelsPerPoint * (g_GraphStop - g_GraphStart) / (rref - lref);
while (g_GraphPixelsPerPoint < GPPPtarget) {
g_GraphPixelsPerPoint *= ZOOM_STEP;
}
g_GraphPixelsPerPoint /= ZOOM_STEP;
g_MarkerA.pos -= lref;
g_MarkerB.pos -= lref;
}
g_DemodStartIdx -= lref;
for (uint32_t i = lref; i < rref; ++i) {
g_GraphBuffer[i - lref] = g_GraphBuffer[i];
}
g_GraphTraceLen = rref - lref;
g_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)
#if QT_VERSION >= 0x050d00
// 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
uint32_t x = event->position().x();
// 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
float delta = -event->angleDelta().y();
#else
uint32_t x = event->x();
float delta = -event->delta();
#endif
if (event->modifiers() & (Qt::ShiftModifier | Qt::ControlModifier)) {
x -= WIDTH_AXES;
x = (int)(x / g_GraphPixelsPerPoint);
x += g_GraphStart;
if (delta < 0) {
Zoom(ZOOM_STEP, x);
} else {
Zoom(1.0 / ZOOM_STEP, x);
}
} else {
Move(PageWidth * delta * move_offset / 120);
}
this->update();
}
void Plot::mouseMoveEvent(QMouseEvent *event) {
int x = event->x();
//Only run the marker place code if a mouse button is pressed
if ((event->buttons() & Qt::LeftButton) || (event->buttons() & Qt::RightButton)) {
x -= WIDTH_AXES;
x = (int)(x / g_GraphPixelsPerPoint);
x += g_GraphStart;
if (x > (int)g_GraphTraceLen) x = 0; // Set to 0 if the number is stupidly big
else if (x < (int)g_GraphStart) x = (int)g_GraphStart; // Bounds checking for the start of the Graph Window
else if (x > (int)g_GraphStop) x = (int)g_GraphStop; // Bounds checking for the end of the Graph Window
if ((event->buttons() & Qt::LeftButton)) { // True for left click, false otherwise
g_MarkerA.pos = x;
} else {
g_MarkerB.pos = x;
}
}
this->update();
}
void Plot::keyPressEvent(QKeyEvent *event) {
uint32_t offset; // Left/right movement offset (in sample size)
if (event->modifiers() & Qt::ShiftModifier) {
if (g_PlotGridX) {
offset = PageWidth - fmod(PageWidth, g_PlotGridX);
} else {
offset = PageWidth;
}
} else {
if (event->modifiers() & Qt::ControlModifier) {
offset = 1;
} else {
offset = int(ZOOM_LIMIT / g_GraphPixelsPerPoint);
}
}
switch (event->key()) {
case Qt::Key_Down:
if (event->modifiers() & Qt::ShiftModifier) {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(ZOOM_STEP, g_MarkerB.pos);
} else {
Zoom(ZOOM_STEP * 2, g_MarkerB.pos);
}
} else {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(ZOOM_STEP, g_MarkerA.pos);
} else {
Zoom(ZOOM_STEP * 2, g_MarkerA.pos);
}
}
break;
case Qt::Key_Up:
if (event->modifiers() & Qt::ShiftModifier) {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(1.0 / ZOOM_STEP, g_MarkerB.pos);
} else {
Zoom(1.0 / (ZOOM_STEP * 2), g_MarkerB.pos);
}
} else {
if (event->modifiers() & Qt::ControlModifier) {
Zoom(1.0 / ZOOM_STEP, g_MarkerA.pos);
} else {
Zoom(1.0 / (ZOOM_STEP * 2), g_MarkerA.pos);
}
}
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 (g_PlotGridX || g_PlotGridY) {
g_PlotGridX = 0;
g_PlotGridY = 0;
} else {
if (g_DefaultGridX < 0) {
g_DefaultGridX = 64;
}
if (g_DefaultGridY < 0) {
g_DefaultGridY = 0;
}
g_PlotGridX = g_DefaultGridX;
g_PlotGridY = g_DefaultGridY;
}
break;
case Qt::Key_H: {
uint8_t old_printAndLog = g_printAndLog;
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 marker");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... with smaller increment");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Shift"), "... around purple marker");
PrintAndLogEx(NORMAL, "\n" _GREEN_("Trim:"));
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("t"), "Trim data on window or on markers (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 marker");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _YELLOW_("Right mouse click"), "Set purple marker");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("[ ") "/" _RED_(" ]"), "Move yellow marker left/right by 1 sample");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("{ ") "/" _RED_(" }"), "Move purple marker left/right by 1 sample");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... by 5 samples");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("= ") "/" _RED_(" -"), "Add/Subtract to the plot point (Operation Buffer) over the yellow marker by 1");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... by 5");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9 + 9, _RED_("+ ") "/" _RED_(" _"), "Add/Subtract to the plot point (Graph Buffer) over the yellow marker by 1");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, " + " _RED_("Ctrl"), "... by 5");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("h"), "Show this help");
PrintAndLogEx(NORMAL, " %-*s%s", 25 + 9, _RED_("q"), "Close plot window");
g_printAndLog = old_printAndLog;
break;
}
case Qt::Key_L:
g_GridLocked = !g_GridLocked;
if (g_GridLocked) {
g_GridOffset += (g_GraphStart - unlockStart);
} else {
unlockStart = g_GraphStart;
}
break;
case Qt::Key_Q:
master->hide();
break;
case Qt::Key_T:
Trim();
break;
case Qt::Key_Home:
g_GraphStart = 0;
break;
case Qt::Key_End:
g_GraphStart = startMax;
break;
case Qt::Key_PageUp:
if (g_GraphStart >= PageWidth) {
g_GraphStart -= PageWidth;
} else {
g_GraphStart = 0;
}
break;
case Qt::Key_PageDown:
g_GraphStart += PageWidth;
if (g_GraphStart > startMax)
g_GraphStart = startMax;
break;
case Qt::Key_Equal:
if (event->modifiers() & Qt::ControlModifier) {
g_OperationBuffer[g_MarkerA.pos] += 5;
} else {
g_OperationBuffer[g_MarkerA.pos] += 1;
}
RepaintGraphWindow();
break;
case Qt::Key_Minus:
if (event->modifiers() & Qt::ControlModifier) {
g_OperationBuffer[g_MarkerA.pos] -= 5;
} else {
g_OperationBuffer[g_MarkerA.pos] -= 1;
}
RepaintGraphWindow();
break;
case Qt::Key_Plus:
if (event->modifiers() & Qt::ControlModifier) {
g_GraphBuffer[g_MarkerA.pos] += 5;
} else {
g_GraphBuffer[g_MarkerA.pos] += 1;
}
RepaintGraphWindow();
break;
case Qt::Key_Underscore:
if (event->modifiers() & Qt::ControlModifier) {
g_GraphBuffer[g_MarkerA.pos] -= 5;
} else {
g_GraphBuffer[g_MarkerA.pos] -= 1;
}
RepaintGraphWindow();
break;
case Qt::Key_BracketLeft: {
if (event->modifiers() & Qt::ControlModifier) {
g_MarkerA.pos -= 5;
} else {
g_MarkerA.pos -= 1;
}
if ((g_MarkerA.pos >= g_GraphStop) || (g_MarkerA.pos <= g_GraphStart)) {
uint32_t halfway = PageWidth / 2;
if ((g_MarkerA.pos - halfway) > g_GraphTraceLen) {
g_GraphStart = 0;
} else {
g_GraphStart = g_MarkerA.pos - halfway;
}
}
if (g_MarkerA.pos < g_GraphStart) {
g_MarkerA.pos = g_GraphStart;
}
RepaintGraphWindow();
break;
}
case Qt::Key_BracketRight: {
if (event->modifiers() & Qt::ControlModifier) {
g_MarkerA.pos += 5;
} else {
g_MarkerA.pos += 1;
}
if ((g_MarkerA.pos >= g_GraphStop) || (g_MarkerA.pos <= g_GraphStart)) {
uint32_t halfway = PageWidth / 2;
if ((g_MarkerA.pos + halfway) >= g_GraphTraceLen) {
g_GraphStart = g_GraphTraceLen - halfway;
} else {
g_GraphStart = g_MarkerA.pos - halfway;
}
}
if (g_MarkerA.pos >= g_GraphTraceLen) {
g_MarkerA.pos = g_GraphTraceLen;
}
RepaintGraphWindow();
break;
}
case Qt::Key_BraceLeft:
if (event->modifiers() & Qt::ControlModifier) {
g_MarkerB.pos -= 5;
} else {
g_MarkerB.pos -= 1;
}
if (g_MarkerB.pos < g_GraphStart) {
g_MarkerB.pos = g_GraphStart;
}
RepaintGraphWindow();
break;
case Qt::Key_BraceRight:
if (event->modifiers() & Qt::ControlModifier) {
g_MarkerB.pos += 5;
} else {
g_MarkerB.pos += 1;
}
if (g_MarkerB.pos >= g_GraphTraceLen) {
g_MarkerB.pos = g_GraphTraceLen;
}
RepaintGraphWindow();
break;
default:
QWidget::keyPressEvent(event);
return;
break;
}
this->update();
}