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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 | ||
6f79363d | 83 | ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL), argc(argc), argv(argv) {} |
6658905f | 84 | |
85 | ProxGuiQT::~ProxGuiQT(void) | |
86 | { | |
87 | if (plotwidget) { | |
88 | delete plotwidget; | |
89 | plotwidget = NULL; | |
90 | } | |
91 | ||
92 | if (plotapp) { | |
93 | plotapp->quit(); | |
94 | delete plotapp; | |
95 | plotapp = NULL; | |
96 | } | |
97 | } | |
98 | ||
99 | void ProxWidget::paintEvent(QPaintEvent *event) | |
100 | { | |
101 | QPainter painter(this); | |
f4434ad2 | 102 | QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath; |
6658905f | 103 | QRect r; |
104 | QBrush brush(QColor(100, 255, 100)); | |
105 | QPen pen(QColor(100, 255, 100)); | |
106 | ||
107 | painter.setFont(QFont("Arial", 10)); | |
108 | ||
109 | if(GraphStart < 0) { | |
110 | GraphStart = 0; | |
111 | } | |
112 | ||
0bf5872f | 113 | if (CursorAPos > GraphTraceLen) |
114 | CursorAPos= 0; | |
115 | if(CursorBPos > GraphTraceLen) | |
116 | CursorBPos= 0; | |
117 | ||
6658905f | 118 | r = rect(); |
119 | ||
120 | painter.fillRect(r, QColor(0, 0, 0)); | |
121 | ||
122 | whitePath.moveTo(r.left() + 40, r.top()); | |
123 | whitePath.lineTo(r.left() + 40, r.bottom()); | |
124 | ||
125 | int zeroHeight = r.top() + (r.bottom() - r.top()) / 2; | |
126 | ||
127 | greyPath.moveTo(r.left(), zeroHeight); | |
128 | greyPath.lineTo(r.right(), zeroHeight); | |
129 | painter.setPen(QColor(100, 100, 100)); | |
130 | painter.drawPath(greyPath); | |
f4434ad2 | 131 | |
18856d88 | 132 | PageWidth= (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint); |
133 | ||
f4434ad2 | 134 | // plot X and Y grid lines |
135 | int i; | |
136 | if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) { | |
3bc2349d | 137 | for(i = 40 + (GridOffset * GraphPixelsPerPoint); i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) { |
f4434ad2 | 138 | //SelectObject(hdc, GreyPenLite); |
139 | //MoveToEx(hdc, r.left + i, r.top, NULL); | |
140 | //LineTo(hdc, r.left + i, r.bottom); | |
141 | lightgreyPath.moveTo(r.left()+i,r.top()); | |
142 | lightgreyPath.lineTo(r.left()+i,r.bottom()); | |
143 | painter.drawPath(lightgreyPath); | |
18856d88 | 144 | } |
f4434ad2 | 145 | } |
146 | if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){ | |
147 | for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) { | |
ff8216cb | 148 | lightgreyPath.moveTo(r.left() + 40,zeroHeight + i); |
f4434ad2 | 149 | lightgreyPath.lineTo(r.right(),zeroHeight + i); |
150 | painter.drawPath(lightgreyPath); | |
ff8216cb | 151 | lightgreyPath.moveTo(r.left() + 40,zeroHeight - i); |
f4434ad2 | 152 | lightgreyPath.lineTo(r.right(),zeroHeight - i); |
153 | painter.drawPath(lightgreyPath); | |
f4434ad2 | 154 | } |
18856d88 | 155 | } |
156 | ||
7ddb9900 | 157 | startMax = (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint)); |
6658905f | 158 | if(startMax < 0) { |
159 | startMax = 0; | |
160 | } | |
161 | if(GraphStart > startMax) { | |
162 | GraphStart = startMax; | |
163 | } | |
164 | ||
165 | int absYMax = 1; | |
166 | ||
6658905f | 167 | for(i = GraphStart; ; i++) { |
168 | if(i >= GraphTraceLen) { | |
169 | break; | |
170 | } | |
171 | if(fabs((double)GraphBuffer[i]) > absYMax) { | |
172 | absYMax = (int)fabs((double)GraphBuffer[i]); | |
173 | } | |
174 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
175 | if(x > r.right()) { | |
176 | break; | |
177 | } | |
178 | } | |
179 | ||
180 | absYMax = (int)(absYMax*1.2 + 1); | |
181 | ||
182 | // number of points that will be plotted | |
183 | int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint); | |
184 | // one label every 100 pixels, let us say | |
185 | int labels = (r.right() - r.left() - 40) / 100; | |
186 | if(labels <= 0) labels = 1; | |
187 | int pointsPerLabel = span / labels; | |
188 | if(pointsPerLabel <= 0) pointsPerLabel = 1; | |
189 | ||
190 | int yMin = INT_MAX; | |
191 | int yMax = INT_MIN; | |
192 | int yMean = 0; | |
193 | int n = 0; | |
194 | ||
195 | for(i = GraphStart; ; i++) { | |
196 | if(i >= GraphTraceLen) { | |
197 | break; | |
198 | } | |
199 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
200 | if(x > r.right() + GraphPixelsPerPoint) { | |
201 | break; | |
202 | } | |
203 | ||
204 | int y = GraphBuffer[i]; | |
205 | if(y < yMin) { | |
206 | yMin = y; | |
207 | } | |
208 | if(y > yMax) { | |
209 | yMax = y; | |
210 | } | |
211 | yMean += y; | |
212 | n++; | |
213 | ||
214 | y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight; | |
215 | if(i == GraphStart) { | |
216 | penPath.moveTo(x, y); | |
217 | } else { | |
218 | penPath.lineTo(x, y); | |
219 | } | |
220 | ||
221 | if(GraphPixelsPerPoint > 10) { | |
222 | QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3)); | |
223 | painter.fillRect(f, brush); | |
224 | } | |
225 | ||
226 | if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) { | |
227 | whitePath.moveTo(x, zeroHeight - 3); | |
228 | whitePath.lineTo(x, zeroHeight + 3); | |
229 | ||
230 | char str[100]; | |
231 | sprintf(str, "+%d", (i - GraphStart)); | |
232 | ||
233 | painter.setPen(QColor(255, 255, 255)); | |
234 | QRect size; | |
235 | QFontMetrics metrics(painter.font()); | |
236 | size = metrics.boundingRect(str); | |
237 | painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str); | |
238 | ||
239 | penPath.moveTo(x,y); | |
240 | } | |
241 | ||
242 | if(i == CursorAPos || i == CursorBPos) { | |
243 | QPainterPath *cursorPath; | |
244 | ||
245 | if(i == CursorAPos) { | |
246 | cursorPath = &cursorAPath; | |
247 | } else { | |
248 | cursorPath = &cursorBPath; | |
249 | } | |
250 | cursorPath->moveTo(x, r.top()); | |
251 | cursorPath->lineTo(x, r.bottom()); | |
252 | penPath.moveTo(x, y); | |
253 | } | |
254 | } | |
255 | ||
256 | if(n != 0) { | |
257 | yMean /= n; | |
258 | } | |
259 | ||
260 | painter.setPen(QColor(255, 255, 255)); | |
261 | painter.drawPath(whitePath); | |
262 | painter.setPen(pen); | |
263 | painter.drawPath(penPath); | |
264 | painter.setPen(QColor(255, 255, 0)); | |
265 | painter.drawPath(cursorAPath); | |
266 | painter.setPen(QColor(255, 0, 255)); | |
267 | painter.drawPath(cursorBPath); | |
268 | ||
346ad5fb | 269 | char str[200]; |
ff2e9c1c | 270 | 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 | 271 | GraphStart, yMax, yMin, yMean, n, GraphTraceLen, |
ff2e9c1c | 272 | CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos],PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked"); |
6658905f | 273 | |
274 | painter.setPen(QColor(255, 255, 255)); | |
275 | painter.drawText(50, r.bottom() - 20, str); | |
276 | } | |
277 | ||
278 | ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1) | |
279 | { | |
8d0a3e87 | 280 | resize(600, 300); |
6658905f | 281 | |
282 | QPalette palette(QColor(0,0,0,0)); | |
283 | palette.setColor(QPalette::WindowText, QColor(255,255,255)); | |
284 | palette.setColor(QPalette::Text, QColor(255,255,255)); | |
285 | palette.setColor(QPalette::Button, QColor(100, 100, 100)); | |
286 | setPalette(palette); | |
287 | setAutoFillBackground(true); | |
cee48e2b | 288 | CursorAPos = 0; |
289 | CursorBPos = 0; | |
6658905f | 290 | } |
291 | ||
292 | void ProxWidget::closeEvent(QCloseEvent *event) | |
293 | { | |
294 | event->ignore(); | |
295 | this->hide(); | |
296 | } | |
297 | ||
298 | void ProxWidget::mouseMoveEvent(QMouseEvent *event) | |
299 | { | |
300 | int x = event->x(); | |
301 | x -= 40; | |
302 | x = (int)(x / GraphPixelsPerPoint); | |
303 | x += GraphStart; | |
304 | if((event->buttons() & Qt::LeftButton)) { | |
305 | CursorAPos = x; | |
306 | } else if (event->buttons() & Qt::RightButton) { | |
307 | CursorBPos = x; | |
308 | } | |
309 | ||
6658905f | 310 | this->update(); |
311 | } | |
312 | ||
313 | void ProxWidget::keyPressEvent(QKeyEvent *event) | |
314 | { | |
18856d88 | 315 | int offset; |
316 | int gridchanged; | |
317 | ||
318 | gridchanged= 0; | |
319 | ||
320 | if(event->modifiers() & Qt::ShiftModifier) { | |
321 | if (PlotGridX) | |
322 | offset= PageWidth - (PageWidth % PlotGridX); | |
323 | else | |
324 | offset= PageWidth; | |
ff2e9c1c | 325 | } else |
326 | if(event->modifiers() & Qt::ControlModifier) | |
327 | offset= 1; | |
328 | else | |
329 | offset= (int)(20 / GraphPixelsPerPoint); | |
18856d88 | 330 | |
6658905f | 331 | switch(event->key()) { |
332 | case Qt::Key_Down: | |
333 | if(GraphPixelsPerPoint <= 50) { | |
334 | GraphPixelsPerPoint *= 2; | |
335 | } | |
336 | break; | |
337 | ||
338 | case Qt::Key_Up: | |
339 | if(GraphPixelsPerPoint >= 0.02) { | |
340 | GraphPixelsPerPoint /= 2; | |
341 | } | |
342 | break; | |
343 | ||
344 | case Qt::Key_Right: | |
345 | if(GraphPixelsPerPoint < 20) { | |
18856d88 | 346 | if (PlotGridX && GridLocked && GraphStart < startMax){ |
347 | GridOffset -= offset; | |
348 | GridOffset %= PlotGridX; | |
349 | gridchanged= 1; | |
350 | } | |
351 | GraphStart += offset; | |
6658905f | 352 | } else { |
18856d88 | 353 | if (PlotGridX && GridLocked && GraphStart < startMax){ |
7ddb9900 | 354 | GridOffset--; |
18856d88 | 355 | GridOffset %= PlotGridX; |
356 | gridchanged= 1; | |
357 | } | |
3bc2349d | 358 | GraphStart++; |
6658905f | 359 | } |
18856d88 | 360 | if(GridOffset < 0) { |
7ddb9900 | 361 | GridOffset += PlotGridX; |
18856d88 | 362 | } |
363 | if (gridchanged) | |
364 | if (GraphStart > startMax) { | |
365 | GridOffset += (GraphStart - startMax); | |
366 | GridOffset %= PlotGridX; | |
367 | } | |
6658905f | 368 | break; |
369 | ||
370 | case Qt::Key_Left: | |
371 | if(GraphPixelsPerPoint < 20) { | |
18856d88 | 372 | if (PlotGridX && GridLocked && GraphStart > 0){ |
373 | GridOffset += offset; | |
374 | GridOffset %= PlotGridX; | |
375 | gridchanged= 1; | |
376 | } | |
377 | GraphStart -= offset; | |
6658905f | 378 | } else { |
18856d88 | 379 | if (PlotGridX && GridLocked && GraphStart > 0){ |
7ddb9900 | 380 | GridOffset++; |
18856d88 | 381 | GridOffset %= PlotGridX; |
382 | gridchanged= 1; | |
383 | } | |
3bc2349d | 384 | GraphStart--; |
6658905f | 385 | } |
18856d88 | 386 | if (gridchanged){ |
387 | if (GraphStart < 0) | |
388 | GridOffset += GraphStart; | |
389 | if(GridOffset < 0) | |
390 | GridOffset += PlotGridX; | |
391 | GridOffset %= PlotGridX; | |
392 | } | |
7ddb9900 | 393 | break; |
394 | ||
395 | case Qt::Key_G: | |
396 | if(PlotGridX || PlotGridY) { | |
397 | PlotGridX= 0; | |
398 | PlotGridY= 0; | |
399 | } else { | |
400 | PlotGridX= PlotGridXdefault; | |
401 | PlotGridY= PlotGridYdefault; | |
402 | } | |
403 | break; | |
404 | ||
405 | case Qt::Key_H: | |
406 | puts("Plot Window Keystrokes:\n"); | |
ff2e9c1c | 407 | puts(" Key Action\n"); |
408 | puts(" DOWN Zoom in"); | |
409 | puts(" G Toggle grid display"); | |
410 | puts(" H Show help"); | |
411 | puts(" L Toggle lock grid relative to samples"); | |
412 | puts(" LEFT Move left"); | |
413 | puts(" <CTL>LEFT Move left 1 sample"); | |
414 | puts(" <SHIFT>LEFT Page left"); | |
415 | puts(" LEFT-MOUSE-CLICK Set yellow cursor"); | |
416 | puts(" Q Hide window"); | |
417 | puts(" RIGHT Move right"); | |
418 | puts(" <CTL>RIGHT Move right 1 sample"); | |
419 | puts(" <SHIFT>RIGHT Page right"); | |
420 | puts(" RIGHT-MOUSE-CLICK Set purple cursor"); | |
421 | puts(" UP Zoom out"); | |
7ddb9900 | 422 | puts(""); |
423 | puts("Use client window 'data help' for more plot commands\n"); | |
424 | break; | |
425 | ||
426 | case Qt::Key_L: | |
427 | GridLocked= !GridLocked; | |
428 | break; | |
429 | ||
430 | case Qt::Key_Q: | |
431 | this->hide(); | |
6658905f | 432 | break; |
433 | ||
434 | default: | |
435 | QWidget::keyPressEvent(event); | |
436 | return; | |
437 | break; | |
438 | } | |
439 | ||
440 | this->update(); | |
441 | } |