[rleroy] add signal strength meter to 'detectreader' command (HF only)
[proxmark3-svn] / linux / proxguiqt.cpp
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6658905f 1#include <iostream>
2#include <QPainterPath>
3#include <QBrush>
4#include <QPen>
5#include <QTimer>
6#include <QCloseEvent>
7#include <QMouseEvent>
8#include <QKeyEvent>
9#include <math.h>
10#include <limits.h>
11#include "proxguiqt.h"
12#include "proxgui.h"
13
14void ProxGuiQT::ShowGraphWindow(void)
15{
16 emit ShowGraphWindowSignal();
17}
18
19void ProxGuiQT::RepaintGraphWindow(void)
20{
21 emit RepaintGraphWindowSignal();
22}
23
24void ProxGuiQT::HideGraphWindow(void)
25{
26 emit HideGraphWindowSignal();
27}
28
29void ProxGuiQT::_ShowGraphWindow(void)
30{
31 if(!plotapp)
32 return;
33
34 if (!plotwidget)
35 plotwidget = new ProxWidget();
36
37 plotwidget->show();
38}
39
40void ProxGuiQT::_RepaintGraphWindow(void)
41{
42 if (!plotapp || !plotwidget)
43 return;
44
45 plotwidget->update();
46}
47
48void ProxGuiQT::_HideGraphWindow(void)
49{
50 if (!plotapp || !plotwidget)
51 return;
52
53 plotwidget->hide();
54}
55
56void ProxGuiQT::MainLoop()
57{
58 plotapp = new QApplication(argc, argv);
59
60 connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow()));
61 connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow()));
62 connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow()));
63
64 plotapp->exec();
65}
66
67ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL),
68 argc(argc), argv(argv)
69{
70}
71
72ProxGuiQT::~ProxGuiQT(void)
73{
74 if (plotwidget) {
75 delete plotwidget;
76 plotwidget = NULL;
77 }
78
79 if (plotapp) {
80 plotapp->quit();
81 delete plotapp;
82 plotapp = NULL;
83 }
84}
85
86void ProxWidget::paintEvent(QPaintEvent *event)
87{
88 QPainter painter(this);
89 QPainterPath penPath, whitePath, greyPath, cursorAPath, cursorBPath;
90 QRect r;
91 QBrush brush(QColor(100, 255, 100));
92 QPen pen(QColor(100, 255, 100));
93
94 painter.setFont(QFont("Arial", 10));
95
96 if(GraphStart < 0) {
97 GraphStart = 0;
98 }
99
0bf5872f 100 if (CursorAPos > GraphTraceLen)
101 CursorAPos= 0;
102 if(CursorBPos > GraphTraceLen)
103 CursorBPos= 0;
104
6658905f 105 r = rect();
106
107 painter.fillRect(r, QColor(0, 0, 0));
108
109 whitePath.moveTo(r.left() + 40, r.top());
110 whitePath.lineTo(r.left() + 40, r.bottom());
111
112 int zeroHeight = r.top() + (r.bottom() - r.top()) / 2;
113
114 greyPath.moveTo(r.left(), zeroHeight);
115 greyPath.lineTo(r.right(), zeroHeight);
116 painter.setPen(QColor(100, 100, 100));
117 painter.drawPath(greyPath);
118
119 int startMax =
120 (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
121 if(startMax < 0) {
122 startMax = 0;
123 }
124 if(GraphStart > startMax) {
125 GraphStart = startMax;
126 }
127
128 int absYMax = 1;
129
130 int i;
131 for(i = GraphStart; ; i++) {
132 if(i >= GraphTraceLen) {
133 break;
134 }
135 if(fabs((double)GraphBuffer[i]) > absYMax) {
136 absYMax = (int)fabs((double)GraphBuffer[i]);
137 }
138 int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
139 if(x > r.right()) {
140 break;
141 }
142 }
143
144 absYMax = (int)(absYMax*1.2 + 1);
145
146 // number of points that will be plotted
147 int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint);
148 // one label every 100 pixels, let us say
149 int labels = (r.right() - r.left() - 40) / 100;
150 if(labels <= 0) labels = 1;
151 int pointsPerLabel = span / labels;
152 if(pointsPerLabel <= 0) pointsPerLabel = 1;
153
154 int yMin = INT_MAX;
155 int yMax = INT_MIN;
156 int yMean = 0;
157 int n = 0;
158
159 for(i = GraphStart; ; i++) {
160 if(i >= GraphTraceLen) {
161 break;
162 }
163 int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
164 if(x > r.right() + GraphPixelsPerPoint) {
165 break;
166 }
167
168 int y = GraphBuffer[i];
169 if(y < yMin) {
170 yMin = y;
171 }
172 if(y > yMax) {
173 yMax = y;
174 }
175 yMean += y;
176 n++;
177
178 y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
179 if(i == GraphStart) {
180 penPath.moveTo(x, y);
181 } else {
182 penPath.lineTo(x, y);
183 }
184
185 if(GraphPixelsPerPoint > 10) {
186 QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
187 painter.fillRect(f, brush);
188 }
189
190 if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) {
191 whitePath.moveTo(x, zeroHeight - 3);
192 whitePath.lineTo(x, zeroHeight + 3);
193
194 char str[100];
195 sprintf(str, "+%d", (i - GraphStart));
196
197 painter.setPen(QColor(255, 255, 255));
198 QRect size;
199 QFontMetrics metrics(painter.font());
200 size = metrics.boundingRect(str);
201 painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str);
202
203 penPath.moveTo(x,y);
204 }
205
206 if(i == CursorAPos || i == CursorBPos) {
207 QPainterPath *cursorPath;
208
209 if(i == CursorAPos) {
210 cursorPath = &cursorAPath;
211 } else {
212 cursorPath = &cursorBPath;
213 }
214 cursorPath->moveTo(x, r.top());
215 cursorPath->lineTo(x, r.bottom());
216 penPath.moveTo(x, y);
217 }
218 }
219
220 if(n != 0) {
221 yMean /= n;
222 }
223
224 painter.setPen(QColor(255, 255, 255));
225 painter.drawPath(whitePath);
226 painter.setPen(pen);
227 painter.drawPath(penPath);
228 painter.setPen(QColor(255, 255, 0));
229 painter.drawPath(cursorAPath);
230 painter.setPen(QColor(255, 0, 255));
231 painter.drawPath(cursorBPath);
232
233 char str[100];
67b9b62a 234 sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d]",
6658905f 235 GraphStart, yMax, yMin, yMean, n, GraphTraceLen,
af2d53cb 236 CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos]);
6658905f 237
238 painter.setPen(QColor(255, 255, 255));
239 painter.drawText(50, r.bottom() - 20, str);
240}
241
242ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
243{
244 resize(600, 500);
245
246 QPalette palette(QColor(0,0,0,0));
247 palette.setColor(QPalette::WindowText, QColor(255,255,255));
248 palette.setColor(QPalette::Text, QColor(255,255,255));
249 palette.setColor(QPalette::Button, QColor(100, 100, 100));
250 setPalette(palette);
251 setAutoFillBackground(true);
252}
253
254void ProxWidget::closeEvent(QCloseEvent *event)
255{
256 event->ignore();
257 this->hide();
258}
259
260void ProxWidget::mouseMoveEvent(QMouseEvent *event)
261{
262 int x = event->x();
263 x -= 40;
264 x = (int)(x / GraphPixelsPerPoint);
265 x += GraphStart;
266 if((event->buttons() & Qt::LeftButton)) {
267 CursorAPos = x;
268 } else if (event->buttons() & Qt::RightButton) {
269 CursorBPos = x;
270 }
271
272
273 this->update();
274}
275
276void ProxWidget::keyPressEvent(QKeyEvent *event)
277{
278 switch(event->key()) {
279 case Qt::Key_Down:
280 if(GraphPixelsPerPoint <= 50) {
281 GraphPixelsPerPoint *= 2;
282 }
283 break;
284
285 case Qt::Key_Up:
286 if(GraphPixelsPerPoint >= 0.02) {
287 GraphPixelsPerPoint /= 2;
288 }
289 break;
290
291 case Qt::Key_Right:
292 if(GraphPixelsPerPoint < 20) {
293 GraphStart += (int)(20 / GraphPixelsPerPoint);
294 } else {
295 GraphStart++;
296 }
297 break;
298
299 case Qt::Key_Left:
300 if(GraphPixelsPerPoint < 20) {
301 GraphStart -= (int)(20 / GraphPixelsPerPoint);
302 } else {
303 GraphStart--;
304 }
305 break;
306
307 default:
308 QWidget::keyPressEvent(event);
309 return;
310 break;
311 }
312
313 this->update();
314}
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