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a553f267 | 1 | //----------------------------------------------------------------------------- |
212ef3a0 | 2 | // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net> |
3 | // | |
a553f267 | 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 | ||
6658905f | 11 | #include <iostream> |
12 | #include <QPainterPath> | |
13 | #include <QBrush> | |
14 | #include <QPen> | |
15 | #include <QTimer> | |
16 | #include <QCloseEvent> | |
17 | #include <QMouseEvent> | |
18 | #include <QKeyEvent> | |
19 | #include <math.h> | |
20 | #include <limits.h> | |
c86cc308 | 21 | #include <stdio.h> |
6658905f | 22 | #include "proxguiqt.h" |
23 | #include "proxgui.h" | |
24 | ||
7ddb9900 | 25 | int GridOffset= 0; |
26 | bool GridLocked= 0; | |
27 | int startMax; | |
18856d88 | 28 | int PageWidth; |
7ddb9900 | 29 | |
6658905f | 30 | void ProxGuiQT::ShowGraphWindow(void) |
31 | { | |
32 | emit ShowGraphWindowSignal(); | |
33 | } | |
34 | ||
35 | void ProxGuiQT::RepaintGraphWindow(void) | |
36 | { | |
37 | emit RepaintGraphWindowSignal(); | |
38 | } | |
39 | ||
40 | void ProxGuiQT::HideGraphWindow(void) | |
41 | { | |
42 | emit HideGraphWindowSignal(); | |
43 | } | |
44 | ||
45 | void ProxGuiQT::_ShowGraphWindow(void) | |
46 | { | |
47 | if(!plotapp) | |
48 | return; | |
49 | ||
50 | if (!plotwidget) | |
51 | plotwidget = new ProxWidget(); | |
52 | ||
53 | plotwidget->show(); | |
54 | } | |
55 | ||
56 | void ProxGuiQT::_RepaintGraphWindow(void) | |
57 | { | |
58 | if (!plotapp || !plotwidget) | |
59 | return; | |
60 | ||
61 | plotwidget->update(); | |
62 | } | |
63 | ||
64 | void ProxGuiQT::_HideGraphWindow(void) | |
65 | { | |
66 | if (!plotapp || !plotwidget) | |
67 | return; | |
68 | ||
69 | plotwidget->hide(); | |
70 | } | |
71 | ||
72 | void ProxGuiQT::MainLoop() | |
73 | { | |
74 | plotapp = new QApplication(argc, argv); | |
75 | ||
76 | connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow())); | |
77 | connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow())); | |
78 | connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow())); | |
79 | ||
80 | plotapp->exec(); | |
81 | } | |
82 | ||
83 | ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL), | |
84 | argc(argc), argv(argv) | |
85 | { | |
86 | } | |
87 | ||
88 | ProxGuiQT::~ProxGuiQT(void) | |
89 | { | |
90 | if (plotwidget) { | |
91 | delete plotwidget; | |
92 | plotwidget = NULL; | |
93 | } | |
94 | ||
95 | if (plotapp) { | |
96 | plotapp->quit(); | |
97 | delete plotapp; | |
98 | plotapp = NULL; | |
99 | } | |
100 | } | |
101 | ||
102 | void ProxWidget::paintEvent(QPaintEvent *event) | |
103 | { | |
104 | QPainter painter(this); | |
f9f0e83b | 105 | QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath, cursorCPath, cursorDPath; |
6658905f | 106 | QRect r; |
107 | QBrush brush(QColor(100, 255, 100)); | |
108 | QPen pen(QColor(100, 255, 100)); | |
109 | ||
110 | painter.setFont(QFont("Arial", 10)); | |
111 | ||
112 | if(GraphStart < 0) { | |
113 | GraphStart = 0; | |
114 | } | |
115 | ||
0bf5872f | 116 | if (CursorAPos > GraphTraceLen) |
117 | CursorAPos= 0; | |
118 | if(CursorBPos > GraphTraceLen) | |
119 | CursorBPos= 0; | |
f9f0e83b | 120 | if(CursorCPos > GraphTraceLen) |
121 | CursorCPos= 0; | |
122 | if(CursorDPos > GraphTraceLen) | |
123 | CursorDPos= 0; | |
0bf5872f | 124 | |
6658905f | 125 | r = rect(); |
126 | ||
127 | painter.fillRect(r, QColor(0, 0, 0)); | |
128 | ||
129 | whitePath.moveTo(r.left() + 40, r.top()); | |
130 | whitePath.lineTo(r.left() + 40, r.bottom()); | |
131 | ||
132 | int zeroHeight = r.top() + (r.bottom() - r.top()) / 2; | |
133 | ||
134 | greyPath.moveTo(r.left(), zeroHeight); | |
135 | greyPath.lineTo(r.right(), zeroHeight); | |
136 | painter.setPen(QColor(100, 100, 100)); | |
137 | painter.drawPath(greyPath); | |
f4434ad2 | 138 | |
18856d88 | 139 | PageWidth= (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint); |
140 | ||
f4434ad2 | 141 | // plot X and Y grid lines |
142 | int i; | |
143 | if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) { | |
3bc2349d | 144 | for(i = 40 + (GridOffset * GraphPixelsPerPoint); i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) { |
f4434ad2 | 145 | //SelectObject(hdc, GreyPenLite); |
146 | //MoveToEx(hdc, r.left + i, r.top, NULL); | |
147 | //LineTo(hdc, r.left + i, r.bottom); | |
148 | lightgreyPath.moveTo(r.left()+i,r.top()); | |
149 | lightgreyPath.lineTo(r.left()+i,r.bottom()); | |
150 | painter.drawPath(lightgreyPath); | |
18856d88 | 151 | } |
f4434ad2 | 152 | } |
153 | if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){ | |
154 | for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) { | |
ff8216cb | 155 | lightgreyPath.moveTo(r.left() + 40,zeroHeight + i); |
f4434ad2 | 156 | lightgreyPath.lineTo(r.right(),zeroHeight + i); |
157 | painter.drawPath(lightgreyPath); | |
ff8216cb | 158 | lightgreyPath.moveTo(r.left() + 40,zeroHeight - i); |
f4434ad2 | 159 | lightgreyPath.lineTo(r.right(),zeroHeight - i); |
160 | painter.drawPath(lightgreyPath); | |
f4434ad2 | 161 | } |
18856d88 | 162 | } |
163 | ||
7ddb9900 | 164 | startMax = (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint)); |
6658905f | 165 | if(startMax < 0) { |
166 | startMax = 0; | |
167 | } | |
168 | if(GraphStart > startMax) { | |
169 | GraphStart = startMax; | |
170 | } | |
171 | ||
172 | int absYMax = 1; | |
173 | ||
6658905f | 174 | for(i = GraphStart; ; i++) { |
175 | if(i >= GraphTraceLen) { | |
176 | break; | |
177 | } | |
178 | if(fabs((double)GraphBuffer[i]) > absYMax) { | |
179 | absYMax = (int)fabs((double)GraphBuffer[i]); | |
180 | } | |
181 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
182 | if(x > r.right()) { | |
183 | break; | |
184 | } | |
185 | } | |
186 | ||
187 | absYMax = (int)(absYMax*1.2 + 1); | |
188 | ||
189 | // number of points that will be plotted | |
190 | int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint); | |
191 | // one label every 100 pixels, let us say | |
192 | int labels = (r.right() - r.left() - 40) / 100; | |
193 | if(labels <= 0) labels = 1; | |
194 | int pointsPerLabel = span / labels; | |
195 | if(pointsPerLabel <= 0) pointsPerLabel = 1; | |
196 | ||
197 | int yMin = INT_MAX; | |
198 | int yMax = INT_MIN; | |
199 | int yMean = 0; | |
200 | int n = 0; | |
201 | ||
202 | for(i = GraphStart; ; i++) { | |
203 | if(i >= GraphTraceLen) { | |
204 | break; | |
205 | } | |
206 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
207 | if(x > r.right() + GraphPixelsPerPoint) { | |
208 | break; | |
209 | } | |
210 | ||
211 | int y = GraphBuffer[i]; | |
212 | if(y < yMin) { | |
213 | yMin = y; | |
214 | } | |
215 | if(y > yMax) { | |
216 | yMax = y; | |
217 | } | |
218 | yMean += y; | |
219 | n++; | |
220 | ||
221 | y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight; | |
222 | if(i == GraphStart) { | |
223 | penPath.moveTo(x, y); | |
224 | } else { | |
225 | penPath.lineTo(x, y); | |
226 | } | |
227 | ||
228 | if(GraphPixelsPerPoint > 10) { | |
229 | QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3)); | |
230 | painter.fillRect(f, brush); | |
231 | } | |
232 | ||
233 | if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) { | |
234 | whitePath.moveTo(x, zeroHeight - 3); | |
235 | whitePath.lineTo(x, zeroHeight + 3); | |
236 | ||
237 | char str[100]; | |
238 | sprintf(str, "+%d", (i - GraphStart)); | |
239 | ||
240 | painter.setPen(QColor(255, 255, 255)); | |
241 | QRect size; | |
242 | QFontMetrics metrics(painter.font()); | |
243 | size = metrics.boundingRect(str); | |
244 | painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str); | |
245 | ||
246 | penPath.moveTo(x,y); | |
247 | } | |
248 | ||
f9f0e83b | 249 | if(i == CursorAPos || i == CursorBPos || i == CursorCPos || i == CursorDPos) { |
6658905f | 250 | QPainterPath *cursorPath; |
251 | ||
252 | if(i == CursorAPos) { | |
253 | cursorPath = &cursorAPath; | |
f9f0e83b | 254 | } else if (i == CursorBPos) { |
6658905f | 255 | cursorPath = &cursorBPath; |
f9f0e83b | 256 | } else if (i == CursorCPos) { |
257 | cursorPath = &cursorCPath; | |
258 | } else { | |
259 | cursorPath = &cursorDPath; | |
6658905f | 260 | } |
261 | cursorPath->moveTo(x, r.top()); | |
262 | cursorPath->lineTo(x, r.bottom()); | |
263 | penPath.moveTo(x, y); | |
264 | } | |
265 | } | |
266 | ||
267 | if(n != 0) { | |
268 | yMean /= n; | |
269 | } | |
270 | ||
271 | painter.setPen(QColor(255, 255, 255)); | |
272 | painter.drawPath(whitePath); | |
273 | painter.setPen(pen); | |
274 | painter.drawPath(penPath); | |
275 | painter.setPen(QColor(255, 255, 0)); | |
276 | painter.drawPath(cursorAPath); | |
277 | painter.setPen(QColor(255, 0, 255)); | |
278 | painter.drawPath(cursorBPath); | |
f9f0e83b | 279 | painter.setPen(QColor(255, 153, 0)); //orange |
280 | painter.drawPath(cursorCPath); | |
281 | painter.setPen(QColor(0, 0, 205)); //light blue | |
282 | painter.drawPath(cursorDPath); | |
6658905f | 283 | |
346ad5fb | 284 | char str[200]; |
ff2e9c1c | 285 | sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d] GridX=%d GridY=%d (%s)", |
6658905f | 286 | GraphStart, yMax, yMin, yMean, n, GraphTraceLen, |
ff2e9c1c | 287 | CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos],PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked"); |
6658905f | 288 | |
289 | painter.setPen(QColor(255, 255, 255)); | |
290 | painter.drawText(50, r.bottom() - 20, str); | |
291 | } | |
292 | ||
293 | ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1) | |
294 | { | |
9484ff3d | 295 | resize(600, 300); |
6658905f | 296 | |
297 | QPalette palette(QColor(0,0,0,0)); | |
298 | palette.setColor(QPalette::WindowText, QColor(255,255,255)); | |
299 | palette.setColor(QPalette::Text, QColor(255,255,255)); | |
300 | palette.setColor(QPalette::Button, QColor(100, 100, 100)); | |
301 | setPalette(palette); | |
302 | setAutoFillBackground(true); | |
cee48e2b | 303 | CursorAPos = 0; |
304 | CursorBPos = 0; | |
6658905f | 305 | } |
306 | ||
307 | void ProxWidget::closeEvent(QCloseEvent *event) | |
308 | { | |
309 | event->ignore(); | |
310 | this->hide(); | |
311 | } | |
312 | ||
313 | void ProxWidget::mouseMoveEvent(QMouseEvent *event) | |
314 | { | |
315 | int x = event->x(); | |
316 | x -= 40; | |
317 | x = (int)(x / GraphPixelsPerPoint); | |
318 | x += GraphStart; | |
319 | if((event->buttons() & Qt::LeftButton)) { | |
320 | CursorAPos = x; | |
321 | } else if (event->buttons() & Qt::RightButton) { | |
322 | CursorBPos = x; | |
323 | } | |
324 | ||
325 | ||
326 | this->update(); | |
327 | } | |
328 | ||
329 | void ProxWidget::keyPressEvent(QKeyEvent *event) | |
330 | { | |
18856d88 | 331 | int offset; |
332 | int gridchanged; | |
333 | ||
334 | gridchanged= 0; | |
335 | ||
336 | if(event->modifiers() & Qt::ShiftModifier) { | |
337 | if (PlotGridX) | |
338 | offset= PageWidth - (PageWidth % PlotGridX); | |
339 | else | |
340 | offset= PageWidth; | |
ff2e9c1c | 341 | } else |
342 | if(event->modifiers() & Qt::ControlModifier) | |
343 | offset= 1; | |
344 | else | |
345 | offset= (int)(20 / GraphPixelsPerPoint); | |
18856d88 | 346 | |
6658905f | 347 | switch(event->key()) { |
348 | case Qt::Key_Down: | |
349 | if(GraphPixelsPerPoint <= 50) { | |
350 | GraphPixelsPerPoint *= 2; | |
351 | } | |
352 | break; | |
353 | ||
354 | case Qt::Key_Up: | |
355 | if(GraphPixelsPerPoint >= 0.02) { | |
356 | GraphPixelsPerPoint /= 2; | |
357 | } | |
358 | break; | |
359 | ||
360 | case Qt::Key_Right: | |
361 | if(GraphPixelsPerPoint < 20) { | |
18856d88 | 362 | if (PlotGridX && GridLocked && GraphStart < startMax){ |
363 | GridOffset -= offset; | |
364 | GridOffset %= PlotGridX; | |
365 | gridchanged= 1; | |
366 | } | |
367 | GraphStart += offset; | |
6658905f | 368 | } else { |
18856d88 | 369 | if (PlotGridX && GridLocked && GraphStart < startMax){ |
7ddb9900 | 370 | GridOffset--; |
18856d88 | 371 | GridOffset %= PlotGridX; |
372 | gridchanged= 1; | |
373 | } | |
3bc2349d | 374 | GraphStart++; |
6658905f | 375 | } |
18856d88 | 376 | if(GridOffset < 0) { |
7ddb9900 | 377 | GridOffset += PlotGridX; |
18856d88 | 378 | } |
379 | if (gridchanged) | |
380 | if (GraphStart > startMax) { | |
381 | GridOffset += (GraphStart - startMax); | |
382 | GridOffset %= PlotGridX; | |
383 | } | |
6658905f | 384 | break; |
385 | ||
386 | case Qt::Key_Left: | |
387 | if(GraphPixelsPerPoint < 20) { | |
18856d88 | 388 | if (PlotGridX && GridLocked && GraphStart > 0){ |
389 | GridOffset += offset; | |
390 | GridOffset %= PlotGridX; | |
391 | gridchanged= 1; | |
392 | } | |
393 | GraphStart -= offset; | |
6658905f | 394 | } else { |
18856d88 | 395 | if (PlotGridX && GridLocked && GraphStart > 0){ |
7ddb9900 | 396 | GridOffset++; |
18856d88 | 397 | GridOffset %= PlotGridX; |
398 | gridchanged= 1; | |
399 | } | |
3bc2349d | 400 | GraphStart--; |
6658905f | 401 | } |
18856d88 | 402 | if (gridchanged){ |
403 | if (GraphStart < 0) | |
404 | GridOffset += GraphStart; | |
405 | if(GridOffset < 0) | |
406 | GridOffset += PlotGridX; | |
407 | GridOffset %= PlotGridX; | |
408 | } | |
7ddb9900 | 409 | break; |
410 | ||
411 | case Qt::Key_G: | |
412 | if(PlotGridX || PlotGridY) { | |
413 | PlotGridX= 0; | |
414 | PlotGridY= 0; | |
415 | } else { | |
416 | PlotGridX= PlotGridXdefault; | |
417 | PlotGridY= PlotGridYdefault; | |
418 | } | |
419 | break; | |
420 | ||
421 | case Qt::Key_H: | |
422 | puts("Plot Window Keystrokes:\n"); | |
ff2e9c1c | 423 | puts(" Key Action\n"); |
424 | puts(" DOWN Zoom in"); | |
425 | puts(" G Toggle grid display"); | |
426 | puts(" H Show help"); | |
427 | puts(" L Toggle lock grid relative to samples"); | |
428 | puts(" LEFT Move left"); | |
429 | puts(" <CTL>LEFT Move left 1 sample"); | |
430 | puts(" <SHIFT>LEFT Page left"); | |
431 | puts(" LEFT-MOUSE-CLICK Set yellow cursor"); | |
432 | puts(" Q Hide window"); | |
433 | puts(" RIGHT Move right"); | |
434 | puts(" <CTL>RIGHT Move right 1 sample"); | |
435 | puts(" <SHIFT>RIGHT Page right"); | |
436 | puts(" RIGHT-MOUSE-CLICK Set purple cursor"); | |
437 | puts(" UP Zoom out"); | |
7ddb9900 | 438 | puts(""); |
439 | puts("Use client window 'data help' for more plot commands\n"); | |
440 | break; | |
441 | ||
442 | case Qt::Key_L: | |
443 | GridLocked= !GridLocked; | |
444 | break; | |
445 | ||
446 | case Qt::Key_Q: | |
447 | this->hide(); | |
6658905f | 448 | break; |
449 | ||
450 | default: | |
451 | QWidget::keyPressEvent(event); | |
452 | return; | |
453 | break; | |
454 | } | |
455 | ||
456 | this->update(); | |
457 | } |