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1 | //----------------------------------------------------------------------------- | |
2 | // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net> | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license. | |
7 | //----------------------------------------------------------------------------- | |
8 | // GUI (QT) | |
9 | //----------------------------------------------------------------------------- | |
10 | #include "proxguiqt.h" | |
11 | ||
12 | #include <iostream> | |
13 | #include <QPainterPath> | |
14 | #include <QBrush> | |
15 | #include <QPen> | |
16 | #include <QTimer> | |
17 | #include <QCloseEvent> | |
18 | #include <QMouseEvent> | |
19 | #include <QKeyEvent> | |
20 | #include <math.h> | |
21 | #include <limits.h> | |
22 | #include <stdio.h> | |
23 | #include <QSlider> | |
24 | #include <QHBoxLayout> | |
25 | #include <string.h> | |
26 | #include "proxgui.h" | |
27 | #include <QtGui> | |
28 | //#include <ctime> | |
29 | ||
30 | ||
31 | int startMax; | |
32 | int PageWidth; | |
33 | ||
34 | void ProxGuiQT::ShowGraphWindow(void) | |
35 | { | |
36 | emit ShowGraphWindowSignal(); | |
37 | } | |
38 | ||
39 | void ProxGuiQT::RepaintGraphWindow(void) | |
40 | { | |
41 | emit RepaintGraphWindowSignal(); | |
42 | } | |
43 | ||
44 | void ProxGuiQT::HideGraphWindow(void) | |
45 | { | |
46 | emit HideGraphWindowSignal(); | |
47 | } | |
48 | ||
49 | void ProxGuiQT::Exit(void) | |
50 | { | |
51 | emit ExitSignal(); | |
52 | } | |
53 | ||
54 | void ProxGuiQT::_ShowGraphWindow(void) | |
55 | { | |
56 | if(!plotapp) | |
57 | return; | |
58 | ||
59 | if (!plotwidget) | |
60 | plotwidget = new ProxWidget(); | |
61 | ||
62 | plotwidget->show(); | |
63 | } | |
64 | ||
65 | void ProxGuiQT::_RepaintGraphWindow(void) | |
66 | { | |
67 | if (!plotapp || !plotwidget) | |
68 | return; | |
69 | ||
70 | plotwidget->update(); | |
71 | } | |
72 | ||
73 | void ProxGuiQT::_HideGraphWindow(void) | |
74 | { | |
75 | if (!plotapp || !plotwidget) | |
76 | return; | |
77 | ||
78 | plotwidget->hide(); | |
79 | } | |
80 | ||
81 | void ProxGuiQT::_Exit(void) { | |
82 | delete this; | |
83 | } | |
84 | void ProxGuiQT::MainLoop() | |
85 | { | |
86 | plotapp = new QApplication(argc, argv); | |
87 | ||
88 | connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow())); | |
89 | connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow())); | |
90 | connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow())); | |
91 | connect(this, SIGNAL(ExitSignal()), this, SLOT(_Exit())); | |
92 | ||
93 | plotapp->exec(); | |
94 | } | |
95 | ||
96 | ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL), | |
97 | argc(argc), argv(argv) | |
98 | { | |
99 | } | |
100 | ||
101 | ProxGuiQT::~ProxGuiQT(void) | |
102 | { | |
103 | //if (plotwidget) { | |
104 | //plotwidget->destroy(true,true); | |
105 | // delete plotwidget; | |
106 | // plotwidget = NULL; | |
107 | //} | |
108 | if (plotapp) { | |
109 | plotapp->quit(); | |
110 | delete plotapp; | |
111 | plotapp = NULL; | |
112 | } | |
113 | } | |
114 | ||
115 | //-------------------- | |
116 | void ProxWidget::applyOperation() | |
117 | { | |
118 | //printf("ApplyOperation()"); | |
119 | save_restoreGB(1); | |
120 | memcpy(GraphBuffer, s_Buff, sizeof(int) * GraphTraceLen); | |
121 | RepaintGraphWindow(); | |
122 | } | |
123 | void ProxWidget::stickOperation() | |
124 | { | |
125 | save_restoreGB(0); | |
126 | //printf("stickOperation()"); | |
127 | } | |
128 | void ProxWidget::vchange_autocorr(int v) | |
129 | { | |
130 | int ans; | |
131 | ans = AutoCorrelate(GraphBuffer, s_Buff, GraphTraceLen, v, true, false); | |
132 | if (g_debugMode) printf("vchange_autocorr(w:%d): %d\n", v, ans); | |
133 | RepaintGraphWindow(); | |
134 | } | |
135 | void ProxWidget::vchange_askedge(int v) | |
136 | { | |
137 | int ans; | |
138 | //extern int AskEdgeDetect(const int *in, int *out, int len, int threshold); | |
139 | ans = AskEdgeDetect(GraphBuffer, s_Buff, GraphTraceLen, v); | |
140 | if (g_debugMode) printf("vchange_askedge(w:%d)%d\n", v, ans); | |
141 | RepaintGraphWindow(); | |
142 | } | |
143 | void ProxWidget::vchange_dthr_up(int v) | |
144 | { | |
145 | int down = opsController->horizontalSlider_dirthr_down->value(); | |
146 | directionalThreshold(GraphBuffer, s_Buff, GraphTraceLen, v, down); | |
147 | //printf("vchange_dthr_up(%d)", v); | |
148 | RepaintGraphWindow(); | |
149 | ||
150 | } | |
151 | void ProxWidget::vchange_dthr_down(int v) | |
152 | { | |
153 | //printf("vchange_dthr_down(%d)", v); | |
154 | int up = opsController->horizontalSlider_dirthr_up->value(); | |
155 | directionalThreshold(GraphBuffer,s_Buff, GraphTraceLen, v, up); | |
156 | RepaintGraphWindow(); | |
157 | ||
158 | } | |
159 | ProxWidget::ProxWidget(QWidget *parent, ProxGuiQT *master) : QWidget(parent) | |
160 | { | |
161 | this->master = master; | |
162 | resize(800,500); | |
163 | ||
164 | /** Setup the controller widget **/ | |
165 | ||
166 | controlWidget = new QWidget(); | |
167 | opsController = new Ui::Form(); | |
168 | opsController->setupUi(controlWidget); | |
169 | //Due to quirks in QT Designer, we need to fiddle a bit | |
170 | opsController->horizontalSlider_dirthr_down->setMinimum(-128); | |
171 | opsController->horizontalSlider_dirthr_down->setMaximum(0); | |
172 | opsController->horizontalSlider_dirthr_down->setValue(-20); | |
173 | ||
174 | ||
175 | QObject::connect(opsController->pushButton_apply, SIGNAL(clicked()), this, SLOT(applyOperation())); | |
176 | QObject::connect(opsController->pushButton_sticky, SIGNAL(clicked()), this, SLOT(stickOperation())); | |
177 | QObject::connect(opsController->horizontalSlider_window, SIGNAL(valueChanged(int)), this, SLOT(vchange_autocorr(int))); | |
178 | QObject::connect(opsController->horizontalSlider_dirthr_up, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_up(int))); | |
179 | QObject::connect(opsController->horizontalSlider_dirthr_down, SIGNAL(valueChanged(int)), this, SLOT(vchange_dthr_down(int))); | |
180 | QObject::connect(opsController->horizontalSlider_askedge, SIGNAL(valueChanged(int)), this, SLOT(vchange_askedge(int))); | |
181 | ||
182 | controlWidget->show(); | |
183 | ||
184 | // Set up the plot widget, which does the actual plotting | |
185 | ||
186 | plot = new Plot(this); | |
187 | /* | |
188 | QSlider* slider = new QSlider(Qt::Horizontal); | |
189 | slider->setFocusPolicy(Qt::StrongFocus); | |
190 | slider->setTickPosition(QSlider::TicksBothSides); | |
191 | slider->setTickInterval(10); | |
192 | slider->setSingleStep(1); | |
193 | */ | |
194 | QVBoxLayout *layout = new QVBoxLayout; | |
195 | //layout->addWidget(slider); | |
196 | layout->addWidget(plot); | |
197 | setLayout(layout); | |
198 | //printf("Proxwidget Constructor just set layout\r\n"); | |
199 | } | |
200 | ||
201 | // not 100% sure what i need in this block | |
202 | // feel free to fix - marshmellow... | |
203 | ProxWidget::~ProxWidget(void) | |
204 | { | |
205 | if (controlWidget) { | |
206 | controlWidget->close(); | |
207 | delete controlWidget; | |
208 | controlWidget = NULL; | |
209 | } | |
210 | ||
211 | if (opsController) { | |
212 | delete opsController; | |
213 | opsController = NULL; | |
214 | } | |
215 | ||
216 | if (plot) { | |
217 | plot->close(); | |
218 | delete plot; | |
219 | plot = NULL; | |
220 | } | |
221 | } | |
222 | void ProxWidget::closeEvent(QCloseEvent *event) | |
223 | { | |
224 | event->ignore(); | |
225 | this->hide(); | |
226 | } | |
227 | void ProxWidget::hideEvent(QHideEvent *event) { | |
228 | controlWidget->hide(); | |
229 | plot->hide(); | |
230 | } | |
231 | void ProxWidget::showEvent(QShowEvent *event) { | |
232 | controlWidget->show(); | |
233 | plot->show(); | |
234 | } | |
235 | ||
236 | //----------- Plotting | |
237 | ||
238 | int Plot::xCoordOf(int i, QRect r ) | |
239 | { | |
240 | return r.left() + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
241 | } | |
242 | ||
243 | int Plot::yCoordOf(int v, QRect r, int maxVal) | |
244 | { | |
245 | int z = (r.bottom() - r.top())/2; | |
246 | return -(z * v) / maxVal + z; | |
247 | } | |
248 | ||
249 | int Plot::valueOf_yCoord(int y, QRect r, int maxVal) | |
250 | { | |
251 | int z = (r.bottom() - r.top())/2; | |
252 | return (y-z) * maxVal / z; | |
253 | } | |
254 | static const QColor GREEN = QColor(100,255,100); | |
255 | static const QColor RED = QColor(255,100,100); | |
256 | static const QColor BLUE = QColor(100,100,255); | |
257 | static const QColor GRAY = QColor(240,240,240); | |
258 | ||
259 | QColor Plot::getColor(int graphNum) | |
260 | { | |
261 | switch (graphNum) { | |
262 | case 0: return GREEN; //Green | |
263 | case 1: return RED; //Red | |
264 | case 2: return BLUE; //Blue | |
265 | default: return GRAY; //Gray | |
266 | } | |
267 | } | |
268 | ||
269 | void Plot::PlotDemod(uint8_t *buffer, size_t len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum, int plotOffset) | |
270 | { | |
271 | if (len == 0 || PlotGridX <= 0) return; | |
272 | //clock_t begin = clock(); | |
273 | QPainterPath penPath; | |
274 | ||
275 | int grid_delta_x = PlotGridX; | |
276 | int first_delta_x = grid_delta_x; //(plotOffset > 0) ? PlotGridX : (PlotGridX +); | |
277 | if (GraphStart > plotOffset) first_delta_x -= (GraphStart-plotOffset); | |
278 | int DemodStart = GraphStart; | |
279 | if (plotOffset > GraphStart) DemodStart = plotOffset; | |
280 | ||
281 | int BitStart = 0; | |
282 | // round down | |
283 | if (DemodStart-plotOffset > 0) BitStart = (int)(((DemodStart-plotOffset)+(PlotGridX-1))/PlotGridX)-1; | |
284 | first_delta_x += BitStart * PlotGridX; | |
285 | if (BitStart > (int)len) return; | |
286 | int delta_x = 0; | |
287 | int v = 0; | |
288 | //printf("first_delta_x %i, grid_delta_x %i, DemodStart %i, BitStart %i\n",first_delta_x,grid_delta_x,DemodStart, BitStart); | |
289 | ||
290 | painter->setPen(getColor(graphNum)); | |
291 | char str[5]; | |
292 | int absVMax = (int)(100*1.05+1); | |
293 | int x = xCoordOf(DemodStart, plotRect); | |
294 | int y = yCoordOf((buffer[BitStart]*200-100)*-1,plotRect,absVMax); | |
295 | penPath.moveTo(x, y); | |
296 | delta_x = 0; | |
297 | int clk = first_delta_x; | |
298 | for(int i = BitStart; i < (int)len && xCoordOf(delta_x+DemodStart, plotRect) < plotRect.right(); i++) { | |
299 | for (int ii = 0; ii < (clk) && i < (int)len && xCoordOf(DemodStart+delta_x+ii, plotRect) < plotRect.right() ; ii++ ) { | |
300 | x = xCoordOf(DemodStart+delta_x+ii, plotRect); | |
301 | v = buffer[i]*200-100; | |
302 | ||
303 | y = yCoordOf( v, plotRect, absVMax); | |
304 | ||
305 | penPath.lineTo(x, y); | |
306 | ||
307 | if(GraphPixelsPerPoint > 10) { | |
308 | QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3)); | |
309 | painter->fillRect(f, QColor(100, 255, 100)); | |
310 | } | |
311 | if (ii == (int)clk/2) { | |
312 | //print label | |
313 | sprintf(str, "%u",buffer[i]); | |
314 | painter->drawText(x-8, y + ((buffer[i] > 0) ? 18 : -6), str); | |
315 | } | |
316 | } | |
317 | delta_x += clk; | |
318 | clk = grid_delta_x; | |
319 | } | |
320 | ||
321 | //Graph annotations | |
322 | painter->drawPath(penPath); | |
323 | } | |
324 | ||
325 | void Plot::PlotGraph(int *buffer, int len, QRect plotRect, QRect annotationRect, QPainter *painter, int graphNum) | |
326 | { | |
327 | if (len == 0) return; | |
328 | //clock_t begin = clock(); | |
329 | QPainterPath penPath; | |
330 | ||
331 | startMax = (len - (int)((plotRect.right() - plotRect.left() - 40) / GraphPixelsPerPoint)); | |
332 | if(startMax < 0) { | |
333 | startMax = 0; | |
334 | } | |
335 | if(GraphStart > startMax) { | |
336 | GraphStart = startMax; | |
337 | } | |
338 | if (GraphStart > len) return; | |
339 | int vMin = INT_MAX, vMax = INT_MIN, vMean = 0, v = 0, absVMax = 0; | |
340 | int sample_index = GraphStart ; | |
341 | for( ; sample_index < len && xCoordOf(sample_index,plotRect) < plotRect.right() ; sample_index++) { | |
342 | ||
343 | v = buffer[sample_index]; | |
344 | if(v < vMin) vMin = v; | |
345 | if(v > vMax) vMax = v; | |
346 | vMean += v; | |
347 | } | |
348 | ||
349 | vMean /= (sample_index - GraphStart); | |
350 | ||
351 | if(fabs( (double) vMin) > absVMax) absVMax = (int)fabs( (double) vMin); | |
352 | if(fabs( (double) vMax) > absVMax) absVMax = (int)fabs( (double) vMax); | |
353 | absVMax = (int)(absVMax*1.25 + 1); | |
354 | // number of points that will be plotted | |
355 | int span = (int)((plotRect.right() - plotRect.left()) / GraphPixelsPerPoint); | |
356 | // one label every 100 pixels, let us say | |
357 | int labels = (plotRect.right() - plotRect.left() - 40) / 100; | |
358 | if(labels <= 0) labels = 1; | |
359 | int pointsPerLabel = span / labels; | |
360 | if(pointsPerLabel <= 0) pointsPerLabel = 1; | |
361 | ||
362 | int x = xCoordOf(GraphStart, plotRect); | |
363 | int y = yCoordOf(buffer[GraphStart],plotRect,absVMax); | |
364 | penPath.moveTo(x, y); | |
365 | for(int i = GraphStart; i < len && xCoordOf(i, plotRect) < plotRect.right(); i++) { | |
366 | ||
367 | x = xCoordOf(i, plotRect); | |
368 | v = buffer[i]; | |
369 | ||
370 | y = yCoordOf( v, plotRect, absVMax);//(y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight; | |
371 | ||
372 | penPath.lineTo(x, y); | |
373 | ||
374 | if(GraphPixelsPerPoint > 10) { | |
375 | QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3)); | |
376 | painter->fillRect(f, QColor(100, 255, 100)); | |
377 | } | |
378 | } | |
379 | ||
380 | painter->setPen(getColor(graphNum)); | |
381 | ||
382 | //Draw y-axis | |
383 | int xo = 5+(graphNum*40); | |
384 | painter->drawLine(xo, plotRect.top(),xo, plotRect.bottom()); | |
385 | ||
386 | int vMarkers = (absVMax - (absVMax % 10)) / 5; | |
387 | int minYDist = 40; //Minimum pixel-distance between markers | |
388 | ||
389 | char yLbl[20]; | |
390 | ||
391 | int n = 0; | |
392 | int lasty0 = 65535; | |
393 | ||
394 | for(int v = vMarkers; yCoordOf(v,plotRect,absVMax) > plotRect.top() && n < 20; v+= vMarkers ,n++) | |
395 | { | |
396 | int y0 = yCoordOf(v,plotRect,absVMax); | |
397 | int y1 = yCoordOf(-v,plotRect,absVMax); | |
398 | ||
399 | if(lasty0 - y0 < minYDist) continue; | |
400 | ||
401 | painter->drawLine(xo-5,y0, xo+5, y0); | |
402 | ||
403 | sprintf(yLbl, "%d", v); | |
404 | painter->drawText(xo+8,y0+7,yLbl); | |
405 | ||
406 | painter->drawLine(xo-5, y1, xo+5, y1); | |
407 | sprintf(yLbl, "%d",-v); | |
408 | painter->drawText(xo+8, y1+5 , yLbl); | |
409 | lasty0 = y0; | |
410 | } | |
411 | ||
412 | //Graph annotations | |
413 | painter->drawPath(penPath); | |
414 | char str[200]; | |
415 | sprintf(str, "max=%d min=%d mean=%d n=%d/%d CursorAVal=[%d] CursorBVal=[%d]", | |
416 | vMax, vMin, vMean, sample_index, len, buffer[CursorAPos], buffer[CursorBPos]); | |
417 | painter->drawText(20, annotationRect.bottom() - 23 - 20 * graphNum, str); | |
418 | ||
419 | //clock_t end = clock(); | |
420 | //double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC; | |
421 | //printf("Plot time %f\n", elapsed_secs); | |
422 | } | |
423 | ||
424 | void Plot::plotGridLines(QPainter* painter,QRect r) | |
425 | { | |
426 | int zeroHeight = r.top() + (r.bottom() - r.top()) / 2; | |
427 | ||
428 | int i; | |
429 | int grid_delta_x = (int) (PlotGridX * GraphPixelsPerPoint); | |
430 | int grid_delta_y = (int) (PlotGridY * GraphPixelsPerPoint); | |
431 | if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) { | |
432 | for(i = (GridOffset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) { | |
433 | painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom()); | |
434 | } | |
435 | } | |
436 | if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){ | |
437 | for(i = 0; i < ((r.top() + r.bottom())>>1); i += grid_delta_y) { | |
438 | painter->drawLine(r.left(),zeroHeight + i,r.right(),zeroHeight + i); | |
439 | painter->drawLine(r.left(),zeroHeight - i,r.right(),zeroHeight - i); | |
440 | } | |
441 | } | |
442 | } | |
443 | ||
444 | #define HEIGHT_INFO 60 | |
445 | #define WIDTH_AXES 80 | |
446 | ||
447 | void Plot::paintEvent(QPaintEvent *event) | |
448 | { | |
449 | QPainter painter(this); | |
450 | QBrush brush(QColor(100, 255, 100)); | |
451 | QPen pen(QColor(100, 255, 100)); | |
452 | ||
453 | painter.setFont(QFont("Courier New", 10)); | |
454 | ||
455 | if(GraphStart < 0) { | |
456 | GraphStart = 0; | |
457 | } | |
458 | ||
459 | if (CursorAPos > GraphTraceLen) | |
460 | CursorAPos= 0; | |
461 | if(CursorBPos > GraphTraceLen) | |
462 | CursorBPos= 0; | |
463 | if(CursorCPos > GraphTraceLen) | |
464 | CursorCPos= 0; | |
465 | if(CursorDPos > GraphTraceLen) | |
466 | CursorDPos= 0; | |
467 | ||
468 | QRect plotRect(WIDTH_AXES, 0, width()-WIDTH_AXES, height()-HEIGHT_INFO); | |
469 | QRect infoRect(0, height()-HEIGHT_INFO, width(), HEIGHT_INFO); | |
470 | ||
471 | //Grey background | |
472 | painter.fillRect(rect(), QColor(60, 60, 60)); | |
473 | //Black foreground | |
474 | painter.fillRect(plotRect, QColor(0, 0, 0)); | |
475 | ||
476 | // center line | |
477 | int zeroHeight = plotRect.top() + (plotRect.bottom() - plotRect.top()) / 2; | |
478 | painter.setPen(QColor(100, 100, 100)); | |
479 | painter.drawLine(plotRect.left(), zeroHeight, plotRect.right(), zeroHeight); | |
480 | // plot X and Y grid lines | |
481 | plotGridLines(&painter, plotRect); | |
482 | ||
483 | //Start painting graph | |
484 | if (showDemod && DemodBufferLen > 8) { | |
485 | PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx); | |
486 | } | |
487 | PlotGraph(s_Buff, GraphTraceLen,plotRect,infoRect,&painter,1); | |
488 | PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0); | |
489 | // End graph drawing | |
490 | ||
491 | //Draw the cursors | |
492 | if(CursorAPos > GraphStart && xCoordOf(CursorAPos, plotRect) < plotRect.right()) | |
493 | { | |
494 | painter.setPen(QColor(255, 255, 0)); | |
495 | painter.drawLine(xCoordOf(CursorAPos, plotRect),plotRect.top(),xCoordOf(CursorAPos, plotRect),plotRect.bottom()); | |
496 | } | |
497 | if(CursorBPos > GraphStart && xCoordOf(CursorBPos, plotRect) < plotRect.right()) | |
498 | { | |
499 | painter.setPen(QColor(255, 0, 255)); | |
500 | painter.drawLine(xCoordOf(CursorBPos, plotRect),plotRect.top(),xCoordOf(CursorBPos, plotRect),plotRect.bottom()); | |
501 | } | |
502 | if(CursorCPos > GraphStart && xCoordOf(CursorCPos, plotRect) < plotRect.right()) | |
503 | { | |
504 | painter.setPen(QColor(255, 153, 0)); //orange | |
505 | painter.drawLine(xCoordOf(CursorCPos, plotRect),plotRect.top(),xCoordOf(CursorCPos, plotRect),plotRect.bottom()); | |
506 | } | |
507 | if(CursorDPos > GraphStart && xCoordOf(CursorDPos, plotRect) < plotRect.right()) | |
508 | { | |
509 | painter.setPen(QColor(0, 0, 205)); //light blue | |
510 | painter.drawLine(xCoordOf(CursorDPos, plotRect),plotRect.top(),xCoordOf(CursorDPos, plotRect),plotRect.bottom()); | |
511 | } | |
512 | ||
513 | //Draw annotations | |
514 | char str[200]; | |
515 | sprintf(str, "@%d dt=%d [%2.2f] zoom=%2.2f CursorAPos=%d CursorBPos=%d GridX=%d GridY=%d (%s) GridXoffset=%d", | |
516 | GraphStart, CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor, | |
517 | GraphPixelsPerPoint,CursorAPos,CursorBPos,PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked",GridOffset); | |
518 | painter.setPen(QColor(255, 255, 255)); | |
519 | painter.drawText(20, infoRect.bottom() - 3, str); | |
520 | ||
521 | } | |
522 | ||
523 | Plot::Plot(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1) | |
524 | { | |
525 | //Need to set this, otherwise we don't receive keypress events | |
526 | setFocusPolicy( Qt::StrongFocus); | |
527 | resize(600, 300); | |
528 | ||
529 | QPalette palette(QColor(0,0,0,0)); | |
530 | palette.setColor(QPalette::WindowText, QColor(255,255,255)); | |
531 | palette.setColor(QPalette::Text, QColor(255,255,255)); | |
532 | palette.setColor(QPalette::Button, QColor(100, 100, 100)); | |
533 | setPalette(palette); | |
534 | setAutoFillBackground(true); | |
535 | CursorAPos = 0; | |
536 | CursorBPos = 0; | |
537 | ||
538 | setWindowTitle(tr("Sliders")); | |
539 | } | |
540 | ||
541 | void Plot::closeEvent(QCloseEvent *event) | |
542 | { | |
543 | event->ignore(); | |
544 | this->hide(); | |
545 | } | |
546 | ||
547 | void Plot::mouseMoveEvent(QMouseEvent *event) | |
548 | { | |
549 | int x = event->x(); | |
550 | x -= WIDTH_AXES; | |
551 | x = (int)(x / GraphPixelsPerPoint); | |
552 | x += GraphStart; | |
553 | if((event->buttons() & Qt::LeftButton)) { | |
554 | CursorAPos = x; | |
555 | } else if (event->buttons() & Qt::RightButton) { | |
556 | CursorBPos = x; | |
557 | } | |
558 | ||
559 | ||
560 | this->update(); | |
561 | } | |
562 | ||
563 | void Plot::keyPressEvent(QKeyEvent *event) | |
564 | { | |
565 | int offset; | |
566 | int gridchanged; | |
567 | ||
568 | gridchanged= 0; | |
569 | ||
570 | if(event->modifiers() & Qt::ShiftModifier) { | |
571 | if (PlotGridX) | |
572 | offset= PageWidth - (PageWidth % PlotGridX); | |
573 | else | |
574 | offset= PageWidth; | |
575 | } else | |
576 | if(event->modifiers() & Qt::ControlModifier) | |
577 | offset= 1; | |
578 | else | |
579 | offset= (int)(20 / GraphPixelsPerPoint); | |
580 | ||
581 | switch(event->key()) { | |
582 | case Qt::Key_Down: | |
583 | if(GraphPixelsPerPoint <= 50) { | |
584 | GraphPixelsPerPoint *= 2; | |
585 | } | |
586 | break; | |
587 | ||
588 | case Qt::Key_Up: | |
589 | if(GraphPixelsPerPoint >= 0.02) { | |
590 | GraphPixelsPerPoint /= 2; | |
591 | } | |
592 | break; | |
593 | ||
594 | case Qt::Key_Right: | |
595 | if(GraphPixelsPerPoint < 20) { | |
596 | if (PlotGridX && GridLocked && GraphStart < startMax){ | |
597 | GridOffset -= offset; | |
598 | GridOffset %= PlotGridX; | |
599 | gridchanged= 1; | |
600 | } | |
601 | GraphStart += offset; | |
602 | } else { | |
603 | if (PlotGridX && GridLocked && GraphStart < startMax){ | |
604 | GridOffset--; | |
605 | GridOffset %= PlotGridX; | |
606 | gridchanged= 1; | |
607 | } | |
608 | GraphStart++; | |
609 | } | |
610 | if(GridOffset < 0) { | |
611 | GridOffset += PlotGridX; | |
612 | } | |
613 | if (gridchanged) | |
614 | if (GraphStart > startMax) { | |
615 | GridOffset += (GraphStart - startMax); | |
616 | GridOffset %= PlotGridX; | |
617 | } | |
618 | break; | |
619 | ||
620 | case Qt::Key_Left: | |
621 | if(GraphPixelsPerPoint < 20) { | |
622 | if (PlotGridX && GridLocked && GraphStart > 0){ | |
623 | GridOffset += offset; | |
624 | GridOffset %= PlotGridX; | |
625 | gridchanged= 1; | |
626 | } | |
627 | GraphStart -= offset; | |
628 | } else { | |
629 | if (PlotGridX && GridLocked && GraphStart > 0){ | |
630 | GridOffset++; | |
631 | GridOffset %= PlotGridX; | |
632 | gridchanged= 1; | |
633 | } | |
634 | GraphStart--; | |
635 | } | |
636 | if (gridchanged){ | |
637 | if (GraphStart < 0) | |
638 | GridOffset += GraphStart; | |
639 | if(GridOffset < 0) | |
640 | GridOffset += PlotGridX; | |
641 | GridOffset %= PlotGridX; | |
642 | } | |
643 | break; | |
644 | ||
645 | case Qt::Key_G: | |
646 | if(PlotGridX || PlotGridY) { | |
647 | PlotGridX= 0; | |
648 | PlotGridY= 0; | |
649 | } else { | |
650 | PlotGridX= PlotGridXdefault; | |
651 | PlotGridY= PlotGridYdefault; | |
652 | } | |
653 | break; | |
654 | ||
655 | case Qt::Key_H: | |
656 | puts("Plot Window Keystrokes:\n"); | |
657 | puts(" Key Action\n"); | |
658 | puts(" DOWN Zoom in"); | |
659 | puts(" G Toggle grid display"); | |
660 | puts(" H Show help"); | |
661 | puts(" L Toggle lock grid relative to samples"); | |
662 | puts(" LEFT Move left"); | |
663 | puts(" <CTL>LEFT Move left 1 sample"); | |
664 | puts(" <SHIFT>LEFT Page left"); | |
665 | puts(" LEFT-MOUSE-CLICK Set yellow cursor"); | |
666 | puts(" Q Hide window"); | |
667 | puts(" RIGHT Move right"); | |
668 | puts(" <CTL>RIGHT Move right 1 sample"); | |
669 | puts(" <SHIFT>RIGHT Page right"); | |
670 | puts(" RIGHT-MOUSE-CLICK Set purple cursor"); | |
671 | puts(" UP Zoom out"); | |
672 | puts(""); | |
673 | puts("Use client window 'data help' for more plot commands\n"); | |
674 | break; | |
675 | ||
676 | case Qt::Key_L: | |
677 | GridLocked= !GridLocked; | |
678 | break; | |
679 | ||
680 | case Qt::Key_Q: | |
681 | this->hide(); | |
682 | break; | |
683 | ||
684 | default: | |
685 | QWidget::keyPressEvent(event); | |
686 | return; | |
687 | break; | |
688 | } | |
689 | ||
690 | this->update(); | |
691 | } |