annotate view/View.cpp @ 591:0946feb81b79 sonification

Add playExampleNote route through view manager out to the audio play source
author Chris Cannam
date Fri, 24 Jun 2011 16:42:48 +0100
parents 4806715f7a19
children
rev   line source
Chris@127 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@127 2
Chris@127 3 /*
Chris@127 4 Sonic Visualiser
Chris@127 5 An audio file viewer and annotation editor.
Chris@127 6 Centre for Digital Music, Queen Mary, University of London.
Chris@127 7 This file copyright 2006 Chris Cannam.
Chris@127 8
Chris@127 9 This program is free software; you can redistribute it and/or
Chris@127 10 modify it under the terms of the GNU General Public License as
Chris@127 11 published by the Free Software Foundation; either version 2 of the
Chris@127 12 License, or (at your option) any later version. See the file
Chris@127 13 COPYING included with this distribution for more information.
Chris@127 14 */
Chris@127 15
Chris@128 16 #include "View.h"
Chris@128 17 #include "layer/Layer.h"
Chris@128 18 #include "data/model/Model.h"
Chris@127 19 #include "base/ZoomConstraint.h"
Chris@127 20 #include "base/Profiler.h"
Chris@278 21 #include "base/Pitch.h"
Chris@338 22 #include "base/Preferences.h"
Chris@127 23
Chris@301 24 #include "layer/TimeRulerLayer.h"
Chris@287 25 #include "layer/SingleColourLayer.h"
Chris@301 26 #include "data/model/PowerOfSqrtTwoZoomConstraint.h"
Chris@301 27 #include "data/model/RangeSummarisableTimeValueModel.h"
Chris@127 28
Chris@127 29 #include <QPainter>
Chris@127 30 #include <QPaintEvent>
Chris@127 31 #include <QRect>
Chris@127 32 #include <QApplication>
Chris@226 33 #include <QProgressDialog>
Chris@316 34 #include <QTextStream>
Chris@338 35 #include <QFont>
Chris@583 36 #include <QMessageBox>
Chris@127 37
Chris@127 38 #include <iostream>
Chris@127 39 #include <cassert>
Chris@520 40 #include <cmath>
Chris@127 41
Chris@545 42 #include <unistd.h>
Chris@545 43
Chris@127 44 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@127 45
Chris@127 46 using std::cerr;
Chris@127 47 using std::endl;
Chris@127 48
Chris@127 49 View::View(QWidget *w, bool showProgress) :
Chris@127 50 QFrame(w),
Chris@127 51 m_centreFrame(0),
Chris@127 52 m_zoomLevel(1024),
Chris@127 53 m_followPan(true),
Chris@127 54 m_followZoom(true),
Chris@127 55 m_followPlay(PlaybackScrollPage),
Chris@153 56 m_playPointerFrame(0),
Chris@127 57 m_showProgress(showProgress),
Chris@127 58 m_cache(0),
Chris@127 59 m_cacheCentreFrame(0),
Chris@127 60 m_cacheZoomLevel(1024),
Chris@127 61 m_selectionCached(false),
Chris@127 62 m_deleting(false),
Chris@127 63 m_haveSelectedLayer(false),
Chris@127 64 m_manager(0),
Chris@127 65 m_propertyContainer(new ViewPropertyContainer(this))
Chris@127 66 {
Chris@587 67 SVDEBUG << "View::View(" << this << ")" << endl;
Chris@127 68 }
Chris@127 69
Chris@127 70 View::~View()
Chris@127 71 {
Chris@587 72 // SVDEBUG << "View::~View(" << this << ")" << endl;
Chris@127 73
Chris@127 74 m_deleting = true;
Chris@127 75 delete m_propertyContainer;
Chris@127 76 }
Chris@127 77
Chris@127 78 PropertyContainer::PropertyList
Chris@127 79 View::getProperties() const
Chris@127 80 {
Chris@127 81 PropertyContainer::PropertyList list;
Chris@127 82 list.push_back("Global Scroll");
Chris@127 83 list.push_back("Global Zoom");
Chris@127 84 list.push_back("Follow Playback");
Chris@127 85 return list;
Chris@127 86 }
Chris@127 87
Chris@127 88 QString
Chris@127 89 View::getPropertyLabel(const PropertyName &pn) const
Chris@127 90 {
Chris@127 91 if (pn == "Global Scroll") return tr("Global Scroll");
Chris@127 92 if (pn == "Global Zoom") return tr("Global Zoom");
Chris@127 93 if (pn == "Follow Playback") return tr("Follow Playback");
Chris@127 94 return "";
Chris@127 95 }
Chris@127 96
Chris@127 97 PropertyContainer::PropertyType
Chris@127 98 View::getPropertyType(const PropertyContainer::PropertyName &name) const
Chris@127 99 {
Chris@127 100 if (name == "Global Scroll") return PropertyContainer::ToggleProperty;
Chris@127 101 if (name == "Global Zoom") return PropertyContainer::ToggleProperty;
Chris@127 102 if (name == "Follow Playback") return PropertyContainer::ValueProperty;
Chris@127 103 return PropertyContainer::InvalidProperty;
Chris@127 104 }
Chris@127 105
Chris@127 106 int
Chris@127 107 View::getPropertyRangeAndValue(const PropertyContainer::PropertyName &name,
Chris@216 108 int *min, int *max, int *deflt) const
Chris@127 109 {
Chris@216 110 if (deflt) *deflt = 1;
Chris@127 111 if (name == "Global Scroll") return m_followPan;
Chris@127 112 if (name == "Global Zoom") return m_followZoom;
Chris@127 113 if (name == "Follow Playback") {
Chris@127 114 if (min) *min = 0;
Chris@127 115 if (max) *max = 2;
Chris@216 116 if (deflt) *deflt = int(PlaybackScrollPage);
Chris@127 117 return int(m_followPlay);
Chris@127 118 }
Chris@127 119 if (min) *min = 0;
Chris@127 120 if (max) *max = 0;
Chris@216 121 if (deflt) *deflt = 0;
Chris@127 122 return 0;
Chris@127 123 }
Chris@127 124
Chris@127 125 QString
Chris@127 126 View::getPropertyValueLabel(const PropertyContainer::PropertyName &name,
Chris@127 127 int value) const
Chris@127 128 {
Chris@127 129 if (name == "Follow Playback") {
Chris@127 130 switch (value) {
Chris@127 131 default:
Chris@127 132 case 0: return tr("Scroll");
Chris@127 133 case 1: return tr("Page");
Chris@127 134 case 2: return tr("Off");
Chris@127 135 }
Chris@127 136 }
Chris@127 137 return tr("<unknown>");
Chris@127 138 }
Chris@127 139
Chris@127 140 void
Chris@127 141 View::setProperty(const PropertyContainer::PropertyName &name, int value)
Chris@127 142 {
Chris@127 143 if (name == "Global Scroll") {
Chris@127 144 setFollowGlobalPan(value != 0);
Chris@127 145 } else if (name == "Global Zoom") {
Chris@127 146 setFollowGlobalZoom(value != 0);
Chris@127 147 } else if (name == "Follow Playback") {
Chris@127 148 switch (value) {
Chris@127 149 default:
Chris@127 150 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@127 151 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@127 152 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@127 153 }
Chris@127 154 }
Chris@127 155 }
Chris@127 156
Chris@127 157 size_t
Chris@127 158 View::getPropertyContainerCount() const
Chris@127 159 {
Chris@127 160 return m_layers.size() + 1; // the 1 is for me
Chris@127 161 }
Chris@127 162
Chris@127 163 const PropertyContainer *
Chris@127 164 View::getPropertyContainer(size_t i) const
Chris@127 165 {
Chris@127 166 return (const PropertyContainer *)(((View *)this)->
Chris@127 167 getPropertyContainer(i));
Chris@127 168 }
Chris@127 169
Chris@127 170 PropertyContainer *
Chris@127 171 View::getPropertyContainer(size_t i)
Chris@127 172 {
Chris@127 173 if (i == 0) return m_propertyContainer;
Chris@127 174 return m_layers[i-1];
Chris@127 175 }
Chris@127 176
Chris@127 177 bool
Chris@127 178 View::getValueExtents(QString unit, float &min, float &max, bool &log) const
Chris@127 179 {
Chris@127 180 bool have = false;
Chris@127 181
Chris@127 182 for (LayerList::const_iterator i = m_layers.begin();
Chris@127 183 i != m_layers.end(); ++i) {
Chris@127 184
Chris@127 185 QString layerUnit;
Chris@127 186 float layerMin = 0.0, layerMax = 0.0;
Chris@127 187 float displayMin = 0.0, displayMax = 0.0;
Chris@127 188 bool layerLog = false;
Chris@127 189
Chris@127 190 if ((*i)->getValueExtents(layerMin, layerMax, layerLog, layerUnit) &&
Chris@127 191 layerUnit.toLower() == unit.toLower()) {
Chris@127 192
Chris@127 193 if ((*i)->getDisplayExtents(displayMin, displayMax)) {
Chris@127 194
Chris@127 195 min = displayMin;
Chris@127 196 max = displayMax;
Chris@127 197 log = layerLog;
Chris@127 198 have = true;
Chris@127 199 break;
Chris@127 200
Chris@127 201 } else {
Chris@127 202
Chris@127 203 if (!have || layerMin < min) min = layerMin;
Chris@127 204 if (!have || layerMax > max) max = layerMax;
Chris@127 205 if (layerLog) log = true;
Chris@127 206 have = true;
Chris@127 207 }
Chris@127 208 }
Chris@127 209 }
Chris@127 210
Chris@127 211 return have;
Chris@127 212 }
Chris@127 213
Chris@127 214 int
Chris@127 215 View::getTextLabelHeight(const Layer *layer, QPainter &paint) const
Chris@127 216 {
Chris@127 217 std::map<int, Layer *> sortedLayers;
Chris@127 218
Chris@127 219 for (LayerList::const_iterator i = m_layers.begin();
Chris@127 220 i != m_layers.end(); ++i) {
Chris@127 221 if ((*i)->needsTextLabelHeight()) {
Chris@127 222 sortedLayers[getObjectExportId(*i)] = *i;
Chris@127 223 }
Chris@127 224 }
Chris@127 225
Chris@127 226 int y = 15 + paint.fontMetrics().ascent();
Chris@127 227
Chris@127 228 for (std::map<int, Layer *>::const_iterator i = sortedLayers.begin();
Chris@127 229 i != sortedLayers.end(); ++i) {
Chris@127 230 if (i->second == layer) return y;
Chris@127 231 y += paint.fontMetrics().height();
Chris@127 232 }
Chris@127 233
Chris@127 234 return y;
Chris@127 235 }
Chris@127 236
Chris@127 237 void
Chris@127 238 View::propertyContainerSelected(View *client, PropertyContainer *pc)
Chris@127 239 {
Chris@127 240 if (client != this) return;
Chris@127 241
Chris@127 242 if (pc == m_propertyContainer) {
Chris@127 243 if (m_haveSelectedLayer) {
Chris@127 244 m_haveSelectedLayer = false;
Chris@127 245 update();
Chris@127 246 }
Chris@127 247 return;
Chris@127 248 }
Chris@127 249
Chris@127 250 delete m_cache;
Chris@127 251 m_cache = 0;
Chris@127 252
Chris@127 253 Layer *selectedLayer = 0;
Chris@127 254
Chris@127 255 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 256 if (*i == pc) {
Chris@127 257 selectedLayer = *i;
Chris@127 258 m_layers.erase(i);
Chris@127 259 break;
Chris@127 260 }
Chris@127 261 }
Chris@127 262
Chris@127 263 if (selectedLayer) {
Chris@127 264 m_haveSelectedLayer = true;
Chris@127 265 m_layers.push_back(selectedLayer);
Chris@127 266 update();
Chris@127 267 } else {
Chris@127 268 m_haveSelectedLayer = false;
Chris@127 269 }
Chris@298 270
Chris@298 271 emit propertyContainerSelected(pc);
Chris@127 272 }
Chris@127 273
Chris@127 274 void
Chris@127 275 View::toolModeChanged()
Chris@127 276 {
Chris@587 277 // SVDEBUG << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << endl;
Chris@127 278 }
Chris@127 279
Chris@133 280 void
Chris@133 281 View::overlayModeChanged()
Chris@133 282 {
Chris@206 283 delete m_cache;
Chris@206 284 m_cache = 0;
Chris@133 285 update();
Chris@133 286 }
Chris@133 287
Chris@133 288 void
Chris@133 289 View::zoomWheelsEnabledChanged()
Chris@133 290 {
Chris@133 291 // subclass might override this
Chris@133 292 }
Chris@133 293
Chris@127 294 long
Chris@127 295 View::getStartFrame() const
Chris@127 296 {
Chris@313 297 return getFrameForX(0);
Chris@127 298 }
Chris@127 299
Chris@127 300 size_t
Chris@127 301 View::getEndFrame() const
Chris@127 302 {
Chris@127 303 return getFrameForX(width()) - 1;
Chris@127 304 }
Chris@127 305
Chris@127 306 void
Chris@127 307 View::setStartFrame(long f)
Chris@127 308 {
Chris@127 309 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@127 310 }
Chris@127 311
Chris@127 312 bool
Chris@127 313 View::setCentreFrame(size_t f, bool e)
Chris@127 314 {
Chris@127 315 bool changeVisible = false;
Chris@127 316
Chris@127 317 if (m_centreFrame != f) {
Chris@127 318
Chris@127 319 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@127 320
Chris@127 321 m_centreFrame = f;
Chris@127 322
Chris@127 323 int newPixel = m_centreFrame / m_zoomLevel;
Chris@127 324
Chris@127 325 if (newPixel != formerPixel) {
Chris@127 326
Chris@127 327 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 328 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@127 329 #endif
Chris@127 330 update();
Chris@127 331
Chris@127 332 changeVisible = true;
Chris@127 333 }
Chris@127 334
Chris@333 335 if (e) {
Chris@333 336 size_t rf = alignToReference(f);
Chris@355 337 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@333 338 std::cerr << "View[" << this << "]::setCentreFrame(" << f
Chris@333 339 << "): emitting centreFrameChanged("
Chris@333 340 << rf << ")" << std::endl;
Chris@355 341 #endif
Chris@333 342 emit centreFrameChanged(rf, m_followPan, m_followPlay);
Chris@333 343 }
Chris@127 344 }
Chris@127 345
Chris@127 346 return changeVisible;
Chris@127 347 }
Chris@127 348
Chris@127 349 int
Chris@127 350 View::getXForFrame(long frame) const
Chris@127 351 {
Chris@127 352 return (frame - getStartFrame()) / m_zoomLevel;
Chris@127 353 }
Chris@127 354
Chris@127 355 long
Chris@127 356 View::getFrameForX(int x) const
Chris@127 357 {
Chris@313 358 long z = (long)m_zoomLevel;
Chris@313 359 long frame = m_centreFrame - (width()/2) * z;
Chris@354 360
Chris@355 361 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@587 362 SVDEBUG << "View::getFrameForX(" << x << "): z = " << z << ", m_centreFrame = " << m_centreFrame << ", width() = " << width() << ", frame = " << frame << endl;
Chris@355 363 #endif
Chris@354 364
Chris@313 365 frame = (frame / z) * z; // this is start frame
Chris@313 366 return frame + x * z;
Chris@127 367 }
Chris@127 368
Chris@127 369 float
Chris@127 370 View::getYForFrequency(float frequency,
Chris@127 371 float minf,
Chris@127 372 float maxf,
Chris@127 373 bool logarithmic) const
Chris@127 374 {
Chris@382 375 Profiler profiler("View::getYForFrequency");
Chris@382 376
Chris@127 377 int h = height();
Chris@127 378
Chris@127 379 if (logarithmic) {
Chris@127 380
Chris@127 381 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@127 382 static float logminf = 0.0, logmaxf = 0.0;
Chris@127 383
Chris@127 384 if (lastminf != minf) {
Chris@127 385 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@127 386 logminf = log10f(minf);
Chris@127 387 }
Chris@127 388 if (lastmaxf != maxf) {
Chris@127 389 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@127 390 logmaxf = log10f(maxf);
Chris@127 391 }
Chris@127 392
Chris@127 393 if (logminf == logmaxf) return 0;
Chris@127 394 return h - (h * (log10f(frequency) - logminf)) / (logmaxf - logminf);
Chris@127 395
Chris@127 396 } else {
Chris@127 397
Chris@127 398 if (minf == maxf) return 0;
Chris@127 399 return h - (h * (frequency - minf)) / (maxf - minf);
Chris@127 400 }
Chris@127 401 }
Chris@127 402
Chris@127 403 float
Chris@127 404 View::getFrequencyForY(int y,
Chris@127 405 float minf,
Chris@127 406 float maxf,
Chris@127 407 bool logarithmic) const
Chris@127 408 {
Chris@127 409 int h = height();
Chris@127 410
Chris@127 411 if (logarithmic) {
Chris@127 412
Chris@127 413 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@127 414 static float logminf = 0.0, logmaxf = 0.0;
Chris@127 415
Chris@127 416 if (lastminf != minf) {
Chris@127 417 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@127 418 logminf = log10f(minf);
Chris@127 419 }
Chris@127 420 if (lastmaxf != maxf) {
Chris@127 421 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@127 422 logmaxf = log10f(maxf);
Chris@127 423 }
Chris@127 424
Chris@127 425 if (logminf == logmaxf) return 0;
Chris@127 426 return pow(10.f, logminf + ((logmaxf - logminf) * (h - y)) / h);
Chris@127 427
Chris@127 428 } else {
Chris@127 429
Chris@127 430 if (minf == maxf) return 0;
Chris@127 431 return minf + ((h - y) * (maxf - minf)) / h;
Chris@127 432 }
Chris@127 433 }
Chris@127 434
Chris@127 435 int
Chris@127 436 View::getZoomLevel() const
Chris@127 437 {
Chris@127 438 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@244 439 // std::cout << "zoom level: " << m_zoomLevel << std::endl;
Chris@127 440 #endif
Chris@127 441 return m_zoomLevel;
Chris@127 442 }
Chris@127 443
Chris@127 444 void
Chris@127 445 View::setZoomLevel(size_t z)
Chris@127 446 {
Chris@462 447 if (z < 1) z = 1;
Chris@127 448 if (m_zoomLevel != int(z)) {
Chris@127 449 m_zoomLevel = z;
Chris@222 450 emit zoomLevelChanged(z, m_followZoom);
Chris@127 451 update();
Chris@127 452 }
Chris@127 453 }
Chris@127 454
Chris@224 455 bool
Chris@224 456 View::hasLightBackground() const
Chris@224 457 {
Chris@287 458 bool darkPalette = false;
Chris@292 459 if (m_manager) darkPalette = m_manager->getGlobalDarkBackground();
Chris@287 460
Chris@287 461 Layer::ColourSignificance maxSignificance = Layer::ColourAbsent;
Chris@287 462 bool mostSignificantHasDarkBackground = false;
Chris@287 463
Chris@224 464 for (LayerList::const_iterator i = m_layers.begin();
Chris@224 465 i != m_layers.end(); ++i) {
Chris@287 466
Chris@287 467 Layer::ColourSignificance s = (*i)->getLayerColourSignificance();
Chris@287 468 bool light = (*i)->hasLightBackground();
Chris@287 469
Chris@287 470 if (int(s) > int(maxSignificance)) {
Chris@287 471 maxSignificance = s;
Chris@287 472 mostSignificantHasDarkBackground = !light;
Chris@287 473 } else if (s == maxSignificance && !light) {
Chris@287 474 mostSignificantHasDarkBackground = true;
Chris@287 475 }
Chris@224 476 }
Chris@287 477
Chris@287 478 if (int(maxSignificance) >= int(Layer::ColourAndBackgroundSignificant)) {
Chris@287 479 return !mostSignificantHasDarkBackground;
Chris@287 480 } else {
Chris@287 481 return !darkPalette;
Chris@287 482 }
Chris@287 483 }
Chris@287 484
Chris@287 485 QColor
Chris@287 486 View::getBackground() const
Chris@287 487 {
Chris@287 488 bool light = hasLightBackground();
Chris@287 489
Chris@287 490 QColor widgetbg = palette().window().color();
Chris@287 491 bool widgetLight =
Chris@287 492 (widgetbg.red() + widgetbg.green() + widgetbg.blue()) > 384;
Chris@287 493
Chris@296 494 if (widgetLight == light) {
Chris@296 495 if (widgetLight) {
Chris@296 496 return widgetbg.light();
Chris@296 497 } else {
Chris@296 498 return widgetbg.dark();
Chris@296 499 }
Chris@296 500 }
Chris@287 501 else if (light) return Qt::white;
Chris@287 502 else return Qt::black;
Chris@287 503 }
Chris@287 504
Chris@287 505 QColor
Chris@287 506 View::getForeground() const
Chris@287 507 {
Chris@287 508 bool light = hasLightBackground();
Chris@287 509
Chris@287 510 QColor widgetfg = palette().text().color();
Chris@287 511 bool widgetLight =
Chris@287 512 (widgetfg.red() + widgetfg.green() + widgetfg.blue()) > 384;
Chris@287 513
Chris@287 514 if (widgetLight != light) return widgetfg;
Chris@287 515 else if (light) return Qt::black;
Chris@287 516 else return Qt::white;
Chris@224 517 }
Chris@224 518
Chris@127 519 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@127 520 QProgressBar(parent)
Chris@127 521 {
Chris@127 522 }
Chris@127 523
Chris@127 524 void
Chris@127 525 View::addLayer(Layer *layer)
Chris@127 526 {
Chris@127 527 delete m_cache;
Chris@127 528 m_cache = 0;
Chris@127 529
Chris@287 530 SingleColourLayer *scl = dynamic_cast<SingleColourLayer *>(layer);
Chris@287 531 if (scl) scl->setDefaultColourFor(this);
Chris@287 532
Chris@127 533 m_layers.push_back(layer);
Chris@127 534
Chris@555 535 QProgressBar *pb = new QProgressBar(this);
Chris@555 536 pb->setMinimum(0);
Chris@555 537 pb->setMaximum(0);
Chris@555 538 pb->setFixedWidth(80);
Chris@555 539 pb->setTextVisible(false);
Chris@555 540
Chris@555 541 ProgressBarRec pbr;
Chris@555 542 pbr.bar = pb;
Chris@555 543 pbr.lastCheck = 0;
Chris@555 544 pbr.checkTimer = new QTimer();
Chris@555 545 connect(pbr.checkTimer, SIGNAL(timeout()), this,
Chris@555 546 SLOT(progressCheckStalledTimerElapsed()));
Chris@555 547
Chris@555 548 m_progressBars[layer] = pbr;
Chris@555 549
Chris@555 550 QFont f(pb->font());
Chris@339 551 int fs = Preferences::getInstance()->getViewFontSize();
Chris@339 552 f.setPointSize(std::min(fs, int(ceil(fs * 0.85))));
Chris@339 553
Chris@555 554 pb->setFont(f);
Chris@555 555 pb->hide();
Chris@127 556
Chris@127 557 connect(layer, SIGNAL(layerParametersChanged()),
Chris@127 558 this, SLOT(layerParametersChanged()));
Chris@197 559 connect(layer, SIGNAL(layerParameterRangesChanged()),
Chris@197 560 this, SLOT(layerParameterRangesChanged()));
Chris@268 561 connect(layer, SIGNAL(layerMeasurementRectsChanged()),
Chris@268 562 this, SLOT(layerMeasurementRectsChanged()));
Chris@127 563 connect(layer, SIGNAL(layerNameChanged()),
Chris@127 564 this, SLOT(layerNameChanged()));
Chris@127 565 connect(layer, SIGNAL(modelChanged()),
Chris@127 566 this, SLOT(modelChanged()));
Chris@127 567 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@127 568 this, SLOT(modelCompletionChanged()));
Chris@320 569 connect(layer, SIGNAL(modelAlignmentCompletionChanged()),
Chris@320 570 this, SLOT(modelAlignmentCompletionChanged()));
Chris@127 571 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@127 572 this, SLOT(modelChanged(size_t, size_t)));
Chris@127 573 connect(layer, SIGNAL(modelReplaced()),
Chris@127 574 this, SLOT(modelReplaced()));
Chris@127 575
Chris@127 576 update();
Chris@127 577
Chris@127 578 emit propertyContainerAdded(layer);
Chris@127 579 }
Chris@127 580
Chris@127 581 void
Chris@127 582 View::removeLayer(Layer *layer)
Chris@127 583 {
Chris@127 584 if (m_deleting) {
Chris@127 585 return;
Chris@127 586 }
Chris@127 587
Chris@127 588 delete m_cache;
Chris@127 589 m_cache = 0;
Chris@127 590
Chris@127 591 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 592 if (*i == layer) {
Chris@127 593 m_layers.erase(i);
Chris@127 594 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@555 595 delete m_progressBars[layer].bar;
Chris@555 596 delete m_progressBars[layer].checkTimer;
Chris@127 597 m_progressBars.erase(layer);
Chris@127 598 }
Chris@127 599 break;
Chris@127 600 }
Chris@127 601 }
Chris@127 602
Chris@197 603 disconnect(layer, SIGNAL(layerParametersChanged()),
Chris@197 604 this, SLOT(layerParametersChanged()));
Chris@197 605 disconnect(layer, SIGNAL(layerParameterRangesChanged()),
Chris@197 606 this, SLOT(layerParameterRangesChanged()));
Chris@197 607 disconnect(layer, SIGNAL(layerNameChanged()),
Chris@197 608 this, SLOT(layerNameChanged()));
Chris@197 609 disconnect(layer, SIGNAL(modelChanged()),
Chris@197 610 this, SLOT(modelChanged()));
Chris@197 611 disconnect(layer, SIGNAL(modelCompletionChanged()),
Chris@197 612 this, SLOT(modelCompletionChanged()));
Chris@320 613 disconnect(layer, SIGNAL(modelAlignmentCompletionChanged()),
Chris@320 614 this, SLOT(modelAlignmentCompletionChanged()));
Chris@197 615 disconnect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@197 616 this, SLOT(modelChanged(size_t, size_t)));
Chris@197 617 disconnect(layer, SIGNAL(modelReplaced()),
Chris@197 618 this, SLOT(modelReplaced()));
Chris@197 619
Chris@127 620 update();
Chris@127 621
Chris@127 622 emit propertyContainerRemoved(layer);
Chris@127 623 }
Chris@127 624
Chris@127 625 Layer *
Chris@127 626 View::getSelectedLayer()
Chris@127 627 {
Chris@127 628 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@127 629 return getLayer(getLayerCount() - 1);
Chris@127 630 } else {
Chris@127 631 return 0;
Chris@127 632 }
Chris@127 633 }
Chris@127 634
Chris@127 635 const Layer *
Chris@127 636 View::getSelectedLayer() const
Chris@127 637 {
Chris@127 638 return const_cast<const Layer *>(const_cast<View *>(this)->getSelectedLayer());
Chris@127 639 }
Chris@127 640
Chris@127 641 void
Chris@127 642 View::setViewManager(ViewManager *manager)
Chris@127 643 {
Chris@127 644 if (m_manager) {
Chris@211 645 m_manager->disconnect(this, SLOT(globalCentreFrameChanged(unsigned long)));
Chris@211 646 m_manager->disconnect(this, SLOT(viewCentreFrameChanged(View *, unsigned long)));
Chris@211 647 m_manager->disconnect(this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@222 648 m_manager->disconnect(this, SLOT(viewZoomLevelChanged(View *, unsigned long, bool)));
Chris@211 649 m_manager->disconnect(this, SLOT(toolModeChanged()));
Chris@211 650 m_manager->disconnect(this, SLOT(selectionChanged()));
Chris@211 651 m_manager->disconnect(this, SLOT(overlayModeChanged()));
Chris@211 652 m_manager->disconnect(this, SLOT(zoomWheelsEnabledChanged()));
Chris@222 653 disconnect(m_manager, SLOT(viewCentreFrameChanged(unsigned long, bool, PlaybackFollowMode)));
Chris@222 654 disconnect(m_manager, SLOT(zoomLevelChanged(unsigned long, bool)));
Chris@127 655 }
Chris@127 656
Chris@127 657 m_manager = manager;
Chris@127 658
Chris@211 659 connect(m_manager, SIGNAL(globalCentreFrameChanged(unsigned long)),
Chris@211 660 this, SLOT(globalCentreFrameChanged(unsigned long)));
Chris@213 661 connect(m_manager, SIGNAL(viewCentreFrameChanged(View *, unsigned long)),
Chris@211 662 this, SLOT(viewCentreFrameChanged(View *, unsigned long)));
Chris@127 663 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@127 664 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@211 665
Chris@222 666 connect(m_manager, SIGNAL(viewZoomLevelChanged(View *, unsigned long, bool)),
Chris@222 667 this, SLOT(viewZoomLevelChanged(View *, unsigned long, bool)));
Chris@211 668
Chris@127 669 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@127 670 this, SLOT(toolModeChanged()));
Chris@127 671 connect(m_manager, SIGNAL(selectionChanged()),
Chris@127 672 this, SLOT(selectionChanged()));
Chris@127 673 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@127 674 this, SLOT(selectionChanged()));
Chris@127 675 connect(m_manager, SIGNAL(overlayModeChanged()),
Chris@133 676 this, SLOT(overlayModeChanged()));
Chris@133 677 connect(m_manager, SIGNAL(zoomWheelsEnabledChanged()),
Chris@133 678 this, SLOT(zoomWheelsEnabledChanged()));
Chris@127 679
Chris@211 680 connect(this, SIGNAL(centreFrameChanged(unsigned long, bool,
Chris@211 681 PlaybackFollowMode)),
Chris@211 682 m_manager, SLOT(viewCentreFrameChanged(unsigned long, bool,
Chris@211 683 PlaybackFollowMode)));
Chris@211 684
Chris@222 685 connect(this, SIGNAL(zoomLevelChanged(unsigned long, bool)),
Chris@222 686 m_manager, SLOT(viewZoomLevelChanged(unsigned long, bool)));
Chris@127 687
Chris@516 688 // setCentreFrame(m_manager->getViewInitialCentreFrame());
Chris@516 689
Chris@364 690 if (m_followPlay == PlaybackScrollPage) {
Chris@587 691 // SVDEBUG << "View::setViewManager: setting centre frame to global centre frame: " << m_manager->getGlobalCentreFrame() << endl;
Chris@364 692 setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@364 693 } else if (m_followPlay == PlaybackScrollContinuous) {
Chris@587 694 // SVDEBUG << "View::setViewManager: setting centre frame to playback frame: " << m_manager->getPlaybackFrame() << endl;
Chris@236 695 setCentreFrame(m_manager->getPlaybackFrame(), false);
Chris@236 696 } else if (m_followPan) {
Chris@587 697 // SVDEBUG << "View::setViewManager: (follow pan) setting centre frame to global centre frame: " << m_manager->getGlobalCentreFrame() << endl;
Chris@236 698 setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@236 699 }
Chris@516 700
Chris@236 701 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@236 702
Chris@511 703 movePlayPointer(getAlignedPlaybackFrame());
Chris@511 704
Chris@127 705 toolModeChanged();
Chris@127 706 }
Chris@127 707
Chris@127 708 void
Chris@516 709 View::setViewManager(ViewManager *vm, long initialCentreFrame)
Chris@516 710 {
Chris@516 711 setViewManager(vm);
Chris@516 712 setCentreFrame(initialCentreFrame, false);
Chris@516 713 }
Chris@516 714
Chris@516 715 void
Chris@127 716 View::setFollowGlobalPan(bool f)
Chris@127 717 {
Chris@127 718 m_followPan = f;
Chris@127 719 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 720 }
Chris@127 721
Chris@127 722 void
Chris@127 723 View::setFollowGlobalZoom(bool f)
Chris@127 724 {
Chris@127 725 m_followZoom = f;
Chris@127 726 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 727 }
Chris@127 728
Chris@127 729 void
Chris@267 730 View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style) const
Chris@127 731 {
Chris@127 732 if (style == OutlinedText) {
Chris@127 733
Chris@279 734 paint.save();
Chris@279 735
Chris@575 736 QColor penColour, surroundColour, boxColour;
Chris@279 737
Chris@287 738 penColour = getForeground();
Chris@287 739 surroundColour = getBackground();
Chris@575 740 boxColour = surroundColour;
Chris@575 741 boxColour.setAlpha(127);
Chris@575 742
Chris@575 743 paint.setPen(Qt::NoPen);
Chris@575 744 paint.setBrush(boxColour);
Chris@575 745 QRect r = paint.fontMetrics().boundingRect(text);
Chris@575 746 r.translate(QPoint(x, y));
Chris@575 747 // std::cerr << "drawVisibleText: r = " << r.x() << "," <<r.y() << " " << r.width() << "x" << r.height() << std::endl;
Chris@575 748 paint.drawRect(r);
Chris@575 749 paint.setBrush(Qt::NoBrush);
Chris@279 750
Chris@127 751 paint.setPen(surroundColour);
Chris@127 752
Chris@127 753 for (int dx = -1; dx <= 1; ++dx) {
Chris@127 754 for (int dy = -1; dy <= 1; ++dy) {
Chris@127 755 if (!(dx || dy)) continue;
Chris@127 756 paint.drawText(x + dx, y + dy, text);
Chris@127 757 }
Chris@127 758 }
Chris@127 759
Chris@127 760 paint.setPen(penColour);
Chris@127 761
Chris@127 762 paint.drawText(x, y, text);
Chris@287 763
Chris@279 764 paint.restore();
Chris@127 765
Chris@127 766 } else {
Chris@127 767
Chris@127 768 std::cerr << "ERROR: View::drawVisibleText: Boxed style not yet implemented!" << std::endl;
Chris@127 769 }
Chris@127 770 }
Chris@127 771
Chris@127 772 void
Chris@127 773 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@127 774 {
Chris@127 775 m_followPlay = m;
Chris@127 776 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 777 }
Chris@127 778
Chris@127 779 void
Chris@127 780 View::modelChanged()
Chris@127 781 {
Chris@127 782 QObject *obj = sender();
Chris@127 783
Chris@127 784 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 785 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@127 786 #endif
Chris@127 787
Chris@127 788 // If the model that has changed is not used by any of the cached
Chris@127 789 // layers, we won't need to recreate the cache
Chris@127 790
Chris@127 791 bool recreate = false;
Chris@127 792
Chris@127 793 bool discard;
Chris@127 794 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@127 795 for (LayerList::const_iterator i = scrollables.begin();
Chris@127 796 i != scrollables.end(); ++i) {
Chris@127 797 if (*i == obj || (*i)->getModel() == obj) {
Chris@127 798 recreate = true;
Chris@127 799 break;
Chris@127 800 }
Chris@127 801 }
Chris@127 802
Chris@127 803 if (recreate) {
Chris@127 804 delete m_cache;
Chris@127 805 m_cache = 0;
Chris@127 806 }
Chris@127 807
Chris@336 808 emit layerModelChanged();
Chris@336 809
Chris@127 810 checkProgress(obj);
Chris@127 811
Chris@127 812 update();
Chris@127 813 }
Chris@127 814
Chris@127 815 void
Chris@127 816 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@127 817 {
Chris@127 818 QObject *obj = sender();
Chris@127 819
Chris@127 820 long myStartFrame = getStartFrame();
Chris@127 821 size_t myEndFrame = getEndFrame();
Chris@127 822
Chris@127 823 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 824 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@127 825 #endif
Chris@127 826
Chris@127 827 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@127 828 checkProgress(obj);
Chris@127 829 return;
Chris@127 830 }
Chris@127 831 if (startFrame > myEndFrame) {
Chris@127 832 checkProgress(obj);
Chris@127 833 return;
Chris@127 834 }
Chris@127 835
Chris@127 836 // If the model that has changed is not used by any of the cached
Chris@127 837 // layers, we won't need to recreate the cache
Chris@127 838
Chris@127 839 bool recreate = false;
Chris@127 840
Chris@127 841 bool discard;
Chris@127 842 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@127 843 for (LayerList::const_iterator i = scrollables.begin();
Chris@127 844 i != scrollables.end(); ++i) {
Chris@127 845 if (*i == obj || (*i)->getModel() == obj) {
Chris@127 846 recreate = true;
Chris@127 847 break;
Chris@127 848 }
Chris@127 849 }
Chris@127 850
Chris@127 851 if (recreate) {
Chris@127 852 delete m_cache;
Chris@127 853 m_cache = 0;
Chris@127 854 }
Chris@127 855
Chris@127 856 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@127 857 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@127 858
Chris@127 859 checkProgress(obj);
Chris@127 860
Chris@127 861 update();
Chris@127 862 }
Chris@127 863
Chris@127 864 void
Chris@127 865 View::modelCompletionChanged()
Chris@127 866 {
Chris@326 867 // std::cerr << "View(" << this << ")::modelCompletionChanged()" << std::endl;
Chris@301 868
Chris@127 869 QObject *obj = sender();
Chris@127 870 checkProgress(obj);
Chris@127 871 }
Chris@127 872
Chris@127 873 void
Chris@320 874 View::modelAlignmentCompletionChanged()
Chris@320 875 {
Chris@326 876 // std::cerr << "View(" << this << ")::modelAlignmentCompletionChanged()" << std::endl;
Chris@320 877
Chris@320 878 QObject *obj = sender();
Chris@320 879 checkProgress(obj);
Chris@320 880 }
Chris@320 881
Chris@320 882 void
Chris@127 883 View::modelReplaced()
Chris@127 884 {
Chris@127 885 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 886 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@127 887 #endif
Chris@127 888 delete m_cache;
Chris@127 889 m_cache = 0;
Chris@127 890
Chris@127 891 update();
Chris@127 892 }
Chris@127 893
Chris@127 894 void
Chris@127 895 View::layerParametersChanged()
Chris@127 896 {
Chris@127 897 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@127 898
Chris@127 899 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@587 900 SVDEBUG << "View::layerParametersChanged()" << endl;
Chris@127 901 #endif
Chris@127 902
Chris@127 903 delete m_cache;
Chris@127 904 m_cache = 0;
Chris@127 905 update();
Chris@127 906
Chris@127 907 if (layer) {
Chris@127 908 emit propertyContainerPropertyChanged(layer);
Chris@127 909 }
Chris@127 910 }
Chris@127 911
Chris@127 912 void
Chris@197 913 View::layerParameterRangesChanged()
Chris@197 914 {
Chris@197 915 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@197 916 if (layer) emit propertyContainerPropertyRangeChanged(layer);
Chris@197 917 }
Chris@197 918
Chris@197 919 void
Chris@268 920 View::layerMeasurementRectsChanged()
Chris@268 921 {
Chris@268 922 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@268 923 if (layer) update();
Chris@268 924 }
Chris@268 925
Chris@268 926 void
Chris@127 927 View::layerNameChanged()
Chris@127 928 {
Chris@127 929 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@127 930 if (layer) emit propertyContainerNameChanged(layer);
Chris@127 931 }
Chris@127 932
Chris@127 933 void
Chris@333 934 View::globalCentreFrameChanged(unsigned long rf)
Chris@127 935 {
Chris@211 936 if (m_followPan) {
Chris@333 937 size_t f = alignFromReference(rf);
Chris@363 938 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@333 939 std::cerr << "View[" << this << "]::globalCentreFrameChanged(" << rf
Chris@333 940 << "): setting centre frame to " << f << std::endl;
Chris@363 941 #endif
Chris@333 942 setCentreFrame(f, false);
Chris@127 943 }
Chris@127 944 }
Chris@127 945
Chris@127 946 void
Chris@248 947 View::viewCentreFrameChanged(View *, unsigned long )
Chris@211 948 {
Chris@211 949 // We do nothing with this, but a subclass might
Chris@211 950 }
Chris@211 951
Chris@211 952 void
Chris@127 953 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@127 954 {
Chris@127 955 if (m_manager) {
Chris@127 956 if (sender() != m_manager) return;
Chris@127 957 }
Chris@127 958
Chris@301 959 f = getAlignedPlaybackFrame();
Chris@301 960
Chris@511 961 movePlayPointer(f);
Chris@511 962 }
Chris@511 963
Chris@511 964 void
Chris@511 965 View::movePlayPointer(unsigned long newFrame)
Chris@511 966 {
Chris@511 967 if (m_playPointerFrame == newFrame) return;
Chris@511 968 bool visibleChange =
Chris@511 969 (getXForFrame(m_playPointerFrame) != getXForFrame(newFrame));
Chris@127 970 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@511 971 m_playPointerFrame = newFrame;
Chris@511 972 if (!visibleChange) return;
Chris@127 973
Chris@513 974 bool somethingGoingOn =
Chris@513 975 ((QApplication::mouseButtons() != Qt::NoButton) ||
Chris@513 976 (QApplication::keyboardModifiers() & Qt::AltModifier));
Chris@513 977
Chris@127 978 switch (m_followPlay) {
Chris@127 979
Chris@127 980 case PlaybackScrollContinuous:
Chris@513 981 if (!somethingGoingOn) {
Chris@511 982 setCentreFrame(m_playPointerFrame, false);
Chris@127 983 }
Chris@127 984 break;
Chris@127 985
Chris@127 986 case PlaybackScrollPage:
Chris@127 987 {
Chris@127 988 int xold = getXForFrame(oldPlayPointerFrame);
Chris@127 989 update(xold - 1, 0, 3, height());
Chris@127 990
Chris@127 991 long w = getEndFrame() - getStartFrame();
Chris@127 992 w -= w/5;
Chris@511 993 long sf = (m_playPointerFrame / w) * w - w/8;
Chris@127 994
Chris@127 995 if (m_manager &&
Chris@127 996 m_manager->isPlaying() &&
Chris@127 997 m_manager->getPlaySelectionMode()) {
Chris@127 998 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@127 999 if (!selections.empty()) {
Chris@127 1000 size_t selectionStart = selections.begin()->getStartFrame();
Chris@127 1001 if (sf < long(selectionStart) - w / 10) {
Chris@127 1002 sf = long(selectionStart) - w / 10;
Chris@127 1003 }
Chris@127 1004 }
Chris@127 1005 }
Chris@127 1006
Chris@127 1007 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@511 1008 std::cerr << "PlaybackScrollPage: f = " << m_playPointerFrame << ", sf = " << sf << ", start frame "
Chris@127 1009 << getStartFrame() << std::endl;
Chris@127 1010 #endif
Chris@127 1011
Chris@127 1012 // We don't consider scrolling unless the pointer is outside
Chris@127 1013 // the clearly visible range already
Chris@127 1014
Chris@127 1015 int xnew = getXForFrame(m_playPointerFrame);
Chris@127 1016
Chris@127 1017 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1018 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@127 1019 #endif
Chris@127 1020
Chris@127 1021 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@513 1022 if (!somethingGoingOn) {
Chris@127 1023 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@127 1024 long newCentre = sf + offset;
Chris@127 1025 bool changed = setCentreFrame(newCentre, false);
Chris@127 1026 if (changed) {
Chris@127 1027 xold = getXForFrame(oldPlayPointerFrame);
Chris@127 1028 update(xold - 1, 0, 3, height());
Chris@127 1029 }
Chris@127 1030 }
Chris@127 1031 }
Chris@127 1032
Chris@127 1033 update(xnew - 1, 0, 3, height());
Chris@127 1034
Chris@127 1035 break;
Chris@127 1036 }
Chris@127 1037
Chris@127 1038 case PlaybackIgnore:
Chris@511 1039 if (long(m_playPointerFrame) >= getStartFrame() &&
Chris@511 1040 m_playPointerFrame < getEndFrame()) {
Chris@127 1041 update();
Chris@127 1042 }
Chris@127 1043 break;
Chris@127 1044 }
Chris@127 1045 }
Chris@127 1046
Chris@127 1047 void
Chris@222 1048 View::viewZoomLevelChanged(View *p, unsigned long z, bool locked)
Chris@127 1049 {
Chris@244 1050 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@244 1051 std::cerr << "View[" << this << "]: viewZoomLevelChanged(" << p << ", " << z << ", " << locked << ")" << std::endl;
Chris@244 1052 #endif
Chris@127 1053 if (m_followZoom && p != this && locked) {
Chris@222 1054 setZoomLevel(z);
Chris@127 1055 }
Chris@127 1056 }
Chris@127 1057
Chris@127 1058 void
Chris@127 1059 View::selectionChanged()
Chris@127 1060 {
Chris@127 1061 if (m_selectionCached) {
Chris@127 1062 delete m_cache;
Chris@127 1063 m_cache = 0;
Chris@127 1064 m_selectionCached = false;
Chris@127 1065 }
Chris@127 1066 update();
Chris@127 1067 }
Chris@127 1068
Chris@127 1069 size_t
Chris@222 1070 View::getFirstVisibleFrame() const
Chris@222 1071 {
Chris@222 1072 long f0 = getStartFrame();
Chris@222 1073 size_t f = getModelsStartFrame();
Chris@222 1074 if (f0 < 0 || f0 < long(f)) return f;
Chris@222 1075 return f0;
Chris@222 1076 }
Chris@222 1077
Chris@222 1078 size_t
Chris@222 1079 View::getLastVisibleFrame() const
Chris@222 1080 {
Chris@222 1081 size_t f0 = getEndFrame();
Chris@222 1082 size_t f = getModelsEndFrame();
Chris@222 1083 if (f0 > f) return f;
Chris@222 1084 return f0;
Chris@222 1085 }
Chris@222 1086
Chris@222 1087 size_t
Chris@127 1088 View::getModelsStartFrame() const
Chris@127 1089 {
Chris@127 1090 bool first = true;
Chris@127 1091 size_t startFrame = 0;
Chris@127 1092
Chris@127 1093 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1094
Chris@127 1095 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 1096
Chris@127 1097 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@127 1098
Chris@127 1099 if (first || thisStartFrame < startFrame) {
Chris@127 1100 startFrame = thisStartFrame;
Chris@127 1101 }
Chris@127 1102 first = false;
Chris@127 1103 }
Chris@127 1104 }
Chris@127 1105 return startFrame;
Chris@127 1106 }
Chris@127 1107
Chris@127 1108 size_t
Chris@127 1109 View::getModelsEndFrame() const
Chris@127 1110 {
Chris@127 1111 bool first = true;
Chris@127 1112 size_t endFrame = 0;
Chris@127 1113
Chris@127 1114 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1115
Chris@127 1116 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 1117
Chris@127 1118 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@127 1119
Chris@127 1120 if (first || thisEndFrame > endFrame) {
Chris@127 1121 endFrame = thisEndFrame;
Chris@127 1122 }
Chris@127 1123 first = false;
Chris@127 1124 }
Chris@127 1125 }
Chris@127 1126
Chris@127 1127 if (first) return getModelsStartFrame();
Chris@127 1128 return endFrame;
Chris@127 1129 }
Chris@127 1130
Chris@127 1131 int
Chris@127 1132 View::getModelsSampleRate() const
Chris@127 1133 {
Chris@127 1134 //!!! Just go for the first, for now. If we were supporting
Chris@127 1135 // multiple samplerates, we'd probably want to do frame/time
Chris@127 1136 // conversion in the model
Chris@127 1137
Chris@159 1138 //!!! nah, this wants to always return the sr of the main model!
Chris@159 1139
Chris@127 1140 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1141 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 1142 return (*i)->getModel()->getSampleRate();
Chris@127 1143 }
Chris@127 1144 }
Chris@127 1145 return 0;
Chris@127 1146 }
Chris@127 1147
Chris@315 1148 View::ModelSet
Chris@315 1149 View::getModels()
Chris@315 1150 {
Chris@315 1151 ModelSet models;
Chris@315 1152
Chris@315 1153 for (int i = 0; i < getLayerCount(); ++i) {
Chris@315 1154
Chris@315 1155 Layer *layer = getLayer(i);
Chris@315 1156
Chris@315 1157 if (dynamic_cast<TimeRulerLayer *>(layer)) {
Chris@315 1158 continue;
Chris@315 1159 }
Chris@315 1160
Chris@315 1161 if (layer && layer->getModel()) {
Chris@315 1162 Model *model = layer->getModel();
Chris@315 1163 models.insert(model);
Chris@315 1164 }
Chris@315 1165 }
Chris@315 1166
Chris@315 1167 return models;
Chris@315 1168 }
Chris@315 1169
Chris@320 1170 Model *
Chris@320 1171 View::getAligningModel() const
Chris@301 1172 {
Chris@320 1173 if (!m_manager ||
Chris@320 1174 !m_manager->getAlignMode() ||
Chris@314 1175 !m_manager->getPlaybackModel()) {
Chris@320 1176 return 0;
Chris@314 1177 }
Chris@301 1178
Chris@320 1179 Model *anyModel = 0;
Chris@359 1180 Model *alignedModel = 0;
Chris@320 1181 Model *goodModel = 0;
Chris@301 1182
Chris@320 1183 for (LayerList::const_iterator i = m_layers.begin();
Chris@320 1184 i != m_layers.end(); ++i) {
Chris@320 1185
Chris@320 1186 Layer *layer = *i;
Chris@320 1187
Chris@320 1188 if (!layer) continue;
Chris@320 1189 if (dynamic_cast<TimeRulerLayer *>(layer)) continue;
Chris@301 1190
Chris@301 1191 Model *model = (*i)->getModel();
Chris@301 1192 if (!model) continue;
Chris@301 1193
Chris@359 1194 anyModel = model;
Chris@359 1195
Chris@320 1196 if (model->getAlignmentReference()) {
Chris@359 1197 alignedModel = model;
Chris@320 1198 if (layer->isLayerOpaque() ||
Chris@320 1199 dynamic_cast<RangeSummarisableTimeValueModel *>(model)) {
Chris@320 1200 goodModel = model;
Chris@320 1201 }
Chris@301 1202 }
Chris@320 1203 }
Chris@301 1204
Chris@320 1205 if (goodModel) return goodModel;
Chris@359 1206 else if (alignedModel) return alignedModel;
Chris@320 1207 else return anyModel;
Chris@320 1208 }
Chris@320 1209
Chris@320 1210 size_t
Chris@320 1211 View::alignFromReference(size_t f) const
Chris@320 1212 {
Chris@321 1213 if (!m_manager->getAlignMode()) return f;
Chris@320 1214 Model *aligningModel = getAligningModel();
Chris@320 1215 if (!aligningModel) return f;
Chris@320 1216 return aligningModel->alignFromReference(f);
Chris@320 1217 }
Chris@320 1218
Chris@320 1219 size_t
Chris@320 1220 View::alignToReference(size_t f) const
Chris@320 1221 {
Chris@321 1222 if (!m_manager->getAlignMode()) return f;
Chris@320 1223 Model *aligningModel = getAligningModel();
Chris@320 1224 if (!aligningModel) return f;
Chris@320 1225 return aligningModel->alignToReference(f);
Chris@320 1226 }
Chris@320 1227
Chris@320 1228 int
Chris@320 1229 View::getAlignedPlaybackFrame() const
Chris@320 1230 {
Chris@321 1231 int pf = m_manager->getPlaybackFrame();
Chris@321 1232 if (!m_manager->getAlignMode()) return pf;
Chris@321 1233
Chris@320 1234 Model *aligningModel = getAligningModel();
Chris@320 1235 if (!aligningModel) return pf;
Chris@333 1236 /*
Chris@320 1237 Model *pm = m_manager->getPlaybackModel();
Chris@301 1238
Chris@301 1239 // std::cerr << "View[" << this << "]::getAlignedPlaybackFrame: pf = " << pf;
Chris@301 1240
Chris@301 1241 if (pm) {
Chris@333 1242 pf = pm->alignToReference(pf);
Chris@301 1243 // std::cerr << " -> " << pf;
Chris@301 1244 }
Chris@333 1245 */
Chris@333 1246 int af = aligningModel->alignFromReference(pf);
Chris@301 1247
Chris@301 1248 // std::cerr << ", aligned = " << af << std::endl;
Chris@301 1249 return af;
Chris@301 1250 }
Chris@301 1251
Chris@127 1252 bool
Chris@127 1253 View::areLayersScrollable() const
Chris@127 1254 {
Chris@127 1255 // True iff all views are scrollable
Chris@127 1256 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1257 if (!(*i)->isLayerScrollable(this)) return false;
Chris@127 1258 }
Chris@127 1259 return true;
Chris@127 1260 }
Chris@127 1261
Chris@127 1262 View::LayerList
Chris@127 1263 View::getScrollableBackLayers(bool testChanged, bool &changed) const
Chris@127 1264 {
Chris@127 1265 changed = false;
Chris@127 1266
Chris@127 1267 // We want a list of all the scrollable layers that are behind the
Chris@127 1268 // backmost non-scrollable layer.
Chris@127 1269
Chris@127 1270 LayerList scrollables;
Chris@127 1271 bool metUnscrollable = false;
Chris@127 1272
Chris@127 1273 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@587 1274 // SVDEBUG << "View::getScrollableBackLayers: calling isLayerDormant on layer " << *i << endl;
Chris@584 1275 // std::cerr << "(name is " << (*i)->objectName() << ")"
Chris@132 1276 // << std::endl;
Chris@587 1277 // SVDEBUG << "View::getScrollableBackLayers: I am " << this << endl;
Chris@127 1278 if ((*i)->isLayerDormant(this)) continue;
Chris@127 1279 if ((*i)->isLayerOpaque()) {
Chris@127 1280 // You can't see anything behind an opaque layer!
Chris@127 1281 scrollables.clear();
Chris@127 1282 if (metUnscrollable) break;
Chris@127 1283 }
Chris@127 1284 if (!metUnscrollable && (*i)->isLayerScrollable(this)) {
Chris@127 1285 scrollables.push_back(*i);
Chris@127 1286 } else {
Chris@127 1287 metUnscrollable = true;
Chris@127 1288 }
Chris@127 1289 }
Chris@127 1290
Chris@127 1291 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@127 1292 m_lastScrollableBackLayers = scrollables;
Chris@127 1293 changed = true;
Chris@127 1294 }
Chris@127 1295 return scrollables;
Chris@127 1296 }
Chris@127 1297
Chris@127 1298 View::LayerList
Chris@127 1299 View::getNonScrollableFrontLayers(bool testChanged, bool &changed) const
Chris@127 1300 {
Chris@127 1301 changed = false;
Chris@127 1302 LayerList nonScrollables;
Chris@127 1303
Chris@127 1304 // Everything in front of the first non-scrollable from the back
Chris@127 1305 // should also be considered non-scrollable
Chris@127 1306
Chris@127 1307 bool started = false;
Chris@127 1308
Chris@127 1309 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1310 if ((*i)->isLayerDormant(this)) continue;
Chris@127 1311 if (!started && (*i)->isLayerScrollable(this)) {
Chris@127 1312 continue;
Chris@127 1313 }
Chris@127 1314 started = true;
Chris@127 1315 if ((*i)->isLayerOpaque()) {
Chris@127 1316 // You can't see anything behind an opaque layer!
Chris@127 1317 nonScrollables.clear();
Chris@127 1318 }
Chris@127 1319 nonScrollables.push_back(*i);
Chris@127 1320 }
Chris@127 1321
Chris@127 1322 if (testChanged && nonScrollables != m_lastNonScrollableBackLayers) {
Chris@127 1323 m_lastNonScrollableBackLayers = nonScrollables;
Chris@127 1324 changed = true;
Chris@127 1325 }
Chris@127 1326
Chris@127 1327 return nonScrollables;
Chris@127 1328 }
Chris@127 1329
Chris@127 1330 size_t
Chris@127 1331 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@127 1332 ZoomConstraint::RoundingDirection dir)
Chris@127 1333 const
Chris@127 1334 {
Chris@127 1335 size_t candidate = blockSize;
Chris@127 1336 bool haveCandidate = false;
Chris@127 1337
Chris@127 1338 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@127 1339
Chris@127 1340 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1341
Chris@127 1342 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@127 1343 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@127 1344
Chris@127 1345 size_t thisBlockSize =
Chris@127 1346 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@127 1347
Chris@127 1348 // Go for the block size that's furthest from the one
Chris@127 1349 // passed in. Most of the time, that's what we want.
Chris@127 1350 if (!haveCandidate ||
Chris@127 1351 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@127 1352 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@127 1353 candidate = thisBlockSize;
Chris@127 1354 haveCandidate = true;
Chris@127 1355 }
Chris@127 1356 }
Chris@127 1357
Chris@127 1358 return candidate;
Chris@127 1359 }
Chris@127 1360
Chris@183 1361 bool
Chris@183 1362 View::areLayerColoursSignificant() const
Chris@183 1363 {
Chris@183 1364 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@287 1365 if ((*i)->getLayerColourSignificance() ==
Chris@287 1366 Layer::ColourHasMeaningfulValue) return true;
Chris@183 1367 if ((*i)->isLayerOpaque()) break;
Chris@183 1368 }
Chris@183 1369 return false;
Chris@183 1370 }
Chris@183 1371
Chris@217 1372 bool
Chris@217 1373 View::hasTopLayerTimeXAxis() const
Chris@217 1374 {
Chris@217 1375 LayerList::const_iterator i = m_layers.end();
Chris@217 1376 if (i == m_layers.begin()) return false;
Chris@217 1377 --i;
Chris@217 1378 return (*i)->hasTimeXAxis();
Chris@217 1379 }
Chris@217 1380
Chris@127 1381 void
Chris@127 1382 View::zoom(bool in)
Chris@127 1383 {
Chris@127 1384 int newZoomLevel = m_zoomLevel;
Chris@127 1385
Chris@127 1386 if (in) {
Chris@127 1387 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@127 1388 ZoomConstraint::RoundDown);
Chris@127 1389 } else {
Chris@127 1390 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@127 1391 ZoomConstraint::RoundUp);
Chris@127 1392 }
Chris@127 1393
Chris@127 1394 if (newZoomLevel != m_zoomLevel) {
Chris@127 1395 setZoomLevel(newZoomLevel);
Chris@127 1396 }
Chris@127 1397 }
Chris@127 1398
Chris@127 1399 void
Chris@510 1400 View::scroll(bool right, bool lots, bool e)
Chris@127 1401 {
Chris@127 1402 long delta;
Chris@127 1403 if (lots) {
Chris@127 1404 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@127 1405 } else {
Chris@127 1406 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@127 1407 }
Chris@127 1408 if (right) delta = -delta;
Chris@127 1409
Chris@127 1410 if (int(m_centreFrame) < delta) {
Chris@510 1411 setCentreFrame(0, e);
Chris@127 1412 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@510 1413 setCentreFrame(getModelsEndFrame(), e);
Chris@127 1414 } else {
Chris@510 1415 setCentreFrame(m_centreFrame - delta, e);
Chris@127 1416 }
Chris@127 1417 }
Chris@127 1418
Chris@127 1419 void
Chris@127 1420 View::checkProgress(void *object)
Chris@127 1421 {
Chris@127 1422 if (!m_showProgress) return;
Chris@127 1423
Chris@127 1424 int ph = height();
Chris@127 1425
Chris@555 1426 for (ProgressMap::iterator i = m_progressBars.begin();
Chris@127 1427 i != m_progressBars.end(); ++i) {
Chris@127 1428
Chris@555 1429 QProgressBar *pb = i->second.bar;
Chris@555 1430
Chris@127 1431 if (i->first == object) {
Chris@127 1432
Chris@555 1433 // The timer is used to test for stalls. If the progress
Chris@555 1434 // bar does not get updated for some length of time, the
Chris@555 1435 // timer prompts it to go back into "indeterminate" mode
Chris@555 1436 QTimer *timer = i->second.checkTimer;
Chris@555 1437
Chris@127 1438 int completion = i->first->getCompletion(this);
Chris@301 1439 QString text = i->first->getPropertyContainerName();
Chris@583 1440 QString error = i->first->getError(this);
Chris@583 1441
Chris@583 1442 if (error != "" && error != m_lastError) {
Chris@583 1443 QMessageBox::critical(this, tr("Layer rendering error"), error);
Chris@583 1444 m_lastError = error;
Chris@583 1445 }
Chris@301 1446
Chris@387 1447 Model *model = i->first->getModel();
Chris@387 1448 RangeSummarisableTimeValueModel *wfm =
Chris@387 1449 dynamic_cast<RangeSummarisableTimeValueModel *>(model);
Chris@387 1450
Chris@388 1451 if (completion > 0) {
Chris@555 1452 pb->setMaximum(100); // was 0, for indeterminate start
Chris@388 1453 }
Chris@388 1454
Chris@301 1455 if (completion >= 100) {
Chris@301 1456
Chris@301 1457 //!!!
Chris@326 1458 if (wfm ||
Chris@328 1459 (wfm = dynamic_cast<RangeSummarisableTimeValueModel *>
Chris@328 1460 (model->getSourceModel()))) {
Chris@301 1461 completion = wfm->getAlignmentCompletion();
Chris@587 1462 // SVDEBUG << "View::checkProgress: Alignment completion = " << completion << endl;
Chris@301 1463 if (completion < 100) {
Chris@301 1464 text = tr("Alignment");
Chris@301 1465 }
Chris@301 1466 }
Chris@387 1467
Chris@387 1468 } else if (wfm) {
Chris@387 1469 update(); // ensure duration &c gets updated
Chris@301 1470 }
Chris@127 1471
Chris@127 1472 if (completion >= 100) {
Chris@127 1473
Chris@555 1474 pb->hide();
Chris@555 1475 timer->stop();
Chris@127 1476
Chris@127 1477 } else {
Chris@127 1478
Chris@555 1479 // std::cerr << "progress = " << completion << std::endl;
Chris@555 1480
Chris@555 1481 if (!pb->isVisible()) {
Chris@555 1482 i->second.lastCheck = 0;
Chris@555 1483 timer->setInterval(2000);
Chris@555 1484 timer->start();
Chris@555 1485 }
Chris@555 1486
Chris@555 1487 pb->setValue(completion);
Chris@555 1488 pb->move(0, ph - pb->height());
Chris@555 1489
Chris@555 1490 pb->show();
Chris@555 1491 pb->update();
Chris@555 1492
Chris@555 1493 ph -= pb->height();
Chris@127 1494 }
Chris@127 1495 } else {
Chris@555 1496 if (pb->isVisible()) {
Chris@555 1497 ph -= pb->height();
Chris@127 1498 }
Chris@127 1499 }
Chris@127 1500 }
Chris@127 1501 }
Chris@127 1502
Chris@555 1503 void
Chris@555 1504 View::progressCheckStalledTimerElapsed()
Chris@555 1505 {
Chris@555 1506 QObject *s = sender();
Chris@555 1507 QTimer *t = qobject_cast<QTimer *>(s);
Chris@555 1508 if (!t) return;
Chris@555 1509 for (ProgressMap::iterator i = m_progressBars.begin();
Chris@555 1510 i != m_progressBars.end(); ++i) {
Chris@555 1511 if (i->second.checkTimer == t) {
Chris@555 1512 int value = i->second.bar->value();
Chris@555 1513 if (value > 0 && value == i->second.lastCheck) {
Chris@555 1514 i->second.bar->setMaximum(0); // indeterminate
Chris@555 1515 }
Chris@555 1516 i->second.lastCheck = value;
Chris@555 1517 return;
Chris@555 1518 }
Chris@555 1519 }
Chris@555 1520 }
Chris@555 1521
Chris@384 1522 int
Chris@384 1523 View::getProgressBarWidth() const
Chris@384 1524 {
Chris@384 1525 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@384 1526 i != m_progressBars.end(); ++i) {
Chris@555 1527 if (i->second.bar && i->second.bar->isVisible()) {
Chris@555 1528 return i->second.bar->width();
Chris@555 1529 }
Chris@384 1530 }
Chris@384 1531
Chris@384 1532 return 0;
Chris@384 1533 }
Chris@384 1534
Chris@127 1535 void
Chris@339 1536 View::setPaintFont(QPainter &paint)
Chris@339 1537 {
Chris@339 1538 QFont font(paint.font());
Chris@339 1539 font.setPointSize(Preferences::getInstance()->getViewFontSize());
Chris@339 1540 paint.setFont(font);
Chris@339 1541 }
Chris@339 1542
Chris@339 1543 void
Chris@127 1544 View::paintEvent(QPaintEvent *e)
Chris@127 1545 {
Chris@127 1546 // Profiler prof("View::paintEvent", false);
Chris@587 1547 // SVDEBUG << "View::paintEvent: centre frame is " << m_centreFrame << endl;
Chris@127 1548
Chris@127 1549 if (m_layers.empty()) {
Chris@127 1550 QFrame::paintEvent(e);
Chris@127 1551 return;
Chris@127 1552 }
Chris@127 1553
Chris@127 1554 // ensure our constraints are met
Chris@137 1555
Chris@137 1556 /*!!! Should we do this only if we have layers that can't support other
Chris@137 1557 zoom levels?
Chris@137 1558
Chris@127 1559 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@127 1560 ZoomConstraint::RoundUp);
Chris@137 1561 */
Chris@127 1562
Chris@127 1563 QPainter paint;
Chris@127 1564 bool repaintCache = false;
Chris@127 1565 bool paintedCacheRect = false;
Chris@127 1566
Chris@127 1567 QRect cacheRect(rect());
Chris@127 1568
Chris@127 1569 if (e) {
Chris@127 1570 cacheRect &= e->rect();
Chris@127 1571 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1572 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@127 1573 << ", my rect " << width() << "x" << height() << std::endl;
Chris@127 1574 #endif
Chris@127 1575 }
Chris@127 1576
Chris@127 1577 QRect nonCacheRect(cacheRect);
Chris@127 1578
Chris@127 1579 // If not all layers are scrollable, but some of the back layers
Chris@127 1580 // are, we should store only those in the cache.
Chris@127 1581
Chris@127 1582 bool layersChanged = false;
Chris@127 1583 LayerList scrollables = getScrollableBackLayers(true, layersChanged);
Chris@127 1584 LayerList nonScrollables = getNonScrollableFrontLayers(true, layersChanged);
Chris@127 1585 bool selectionCacheable = nonScrollables.empty();
Chris@127 1586 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@127 1587 bool selectionDrawn = false;
Chris@127 1588
Chris@127 1589 // If all the non-scrollable layers are non-opaque, then we draw
Chris@127 1590 // the selection rectangle behind them and cache it. If any are
Chris@127 1591 // opaque, however, we can't cache.
Chris@127 1592 //
Chris@127 1593 if (!selectionCacheable) {
Chris@127 1594 selectionCacheable = true;
Chris@127 1595 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@127 1596 i != nonScrollables.end(); ++i) {
Chris@127 1597 if ((*i)->isLayerOpaque()) {
Chris@127 1598 selectionCacheable = false;
Chris@127 1599 break;
Chris@127 1600 }
Chris@127 1601 }
Chris@127 1602 }
Chris@127 1603
Chris@127 1604 if (selectionCacheable) {
Chris@127 1605 QPoint localPos;
Chris@127 1606 bool closeToLeft, closeToRight;
Chris@127 1607 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@127 1608 selectionCacheable = false;
Chris@127 1609 }
Chris@127 1610 }
Chris@127 1611
Chris@127 1612 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1613 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@127 1614 << " scrollable back layers and " << nonScrollables.size()
Chris@127 1615 << " non-scrollable front layers" << std::endl;
Chris@127 1616 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@127 1617 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@127 1618 #endif
Chris@127 1619
Chris@127 1620 if (layersChanged || scrollables.empty() ||
Chris@127 1621 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@127 1622 delete m_cache;
Chris@127 1623 m_cache = 0;
Chris@127 1624 m_selectionCached = false;
Chris@127 1625 }
Chris@127 1626
Chris@127 1627 if (!scrollables.empty()) {
Chris@244 1628
Chris@244 1629 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@244 1630 std::cerr << "View(" << this << "): cache " << m_cache << ", cache zoom "
Chris@244 1631 << m_cacheZoomLevel << ", zoom " << m_zoomLevel << std::endl;
Chris@244 1632 #endif
Chris@244 1633
Chris@127 1634 if (!m_cache ||
Chris@127 1635 m_cacheZoomLevel != m_zoomLevel ||
Chris@127 1636 width() != m_cache->width() ||
Chris@127 1637 height() != m_cache->height()) {
Chris@127 1638
Chris@127 1639 // cache is not valid
Chris@127 1640
Chris@127 1641 if (cacheRect.width() < width()/10) {
Chris@244 1642 delete m_cache;
Chris@244 1643 m_cache = 0;
Chris@127 1644 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1645 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@127 1646 #endif
Chris@127 1647 } else {
Chris@127 1648 delete m_cache;
Chris@127 1649 m_cache = new QPixmap(width(), height());
Chris@127 1650 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1651 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@127 1652 #endif
Chris@127 1653 cacheRect = rect();
Chris@127 1654 repaintCache = true;
Chris@127 1655 }
Chris@127 1656
Chris@127 1657 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@127 1658
Chris@127 1659 long dx =
Chris@127 1660 getXForFrame(m_cacheCentreFrame) -
Chris@127 1661 getXForFrame(m_centreFrame);
Chris@127 1662
Chris@127 1663 if (dx > -width() && dx < width()) {
Chris@548 1664 #ifdef PIXMAP_COPY_TO_SELF
Chris@548 1665 // This is not normally defined. Copying a pixmap to
Chris@548 1666 // itself doesn't work properly on Windows, Mac, or
Chris@548 1667 // X11 with the raster backend (it only works when
Chris@548 1668 // moving in one direction and then presumably only by
Chris@548 1669 // accident). It does actually seem to be fine on X11
Chris@548 1670 // with the native backend, but we prefer not to use
Chris@548 1671 // that anyway
Chris@548 1672 paint.begin(m_cache);
Chris@548 1673 paint.drawPixmap(dx, 0, *m_cache);
Chris@548 1674 paint.end();
Chris@548 1675 #else
Chris@127 1676 static QPixmap *tmpPixmap = 0;
Chris@127 1677 if (!tmpPixmap ||
Chris@127 1678 tmpPixmap->width() != width() ||
Chris@127 1679 tmpPixmap->height() != height()) {
Chris@127 1680 delete tmpPixmap;
Chris@127 1681 tmpPixmap = new QPixmap(width(), height());
Chris@127 1682 }
Chris@127 1683 paint.begin(tmpPixmap);
Chris@127 1684 paint.drawPixmap(0, 0, *m_cache);
Chris@127 1685 paint.end();
Chris@127 1686 paint.begin(m_cache);
Chris@127 1687 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@127 1688 paint.end();
Chris@127 1689 #endif
Chris@127 1690 if (dx < 0) {
Chris@127 1691 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@127 1692 } else {
Chris@127 1693 cacheRect = QRect(0, 0, dx, height());
Chris@127 1694 }
Chris@127 1695 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1696 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@127 1697 #endif
Chris@127 1698 } else {
Chris@127 1699 cacheRect = rect();
Chris@127 1700 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1701 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@127 1702 #endif
Chris@127 1703 }
Chris@127 1704 repaintCache = true;
Chris@127 1705
Chris@127 1706 } else {
Chris@127 1707 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1708 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@127 1709 #endif
Chris@127 1710 paint.begin(this);
Chris@127 1711 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@127 1712 paint.end();
Chris@127 1713 QFrame::paintEvent(e);
Chris@127 1714 paintedCacheRect = true;
Chris@127 1715 }
Chris@127 1716
Chris@127 1717 m_cacheCentreFrame = m_centreFrame;
Chris@127 1718 m_cacheZoomLevel = m_zoomLevel;
Chris@127 1719 }
Chris@127 1720
Chris@127 1721 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1722 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@127 1723 #endif
Chris@127 1724
Chris@127 1725 // Scrollable (cacheable) items first
Chris@127 1726
Chris@127 1727 if (!paintedCacheRect) {
Chris@127 1728
Chris@127 1729 if (repaintCache) paint.begin(m_cache);
Chris@127 1730 else paint.begin(this);
Chris@339 1731 setPaintFont(paint);
Chris@127 1732 paint.setClipRect(cacheRect);
Chris@287 1733
Chris@287 1734 paint.setPen(getBackground());
Chris@287 1735 paint.setBrush(getBackground());
Chris@127 1736 paint.drawRect(cacheRect);
Chris@127 1737
Chris@287 1738 paint.setPen(getForeground());
Chris@127 1739 paint.setBrush(Qt::NoBrush);
Chris@127 1740
Chris@127 1741 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@127 1742 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@127 1743 paint.save();
Chris@127 1744 (*i)->paint(this, paint, cacheRect);
Chris@127 1745 paint.restore();
Chris@127 1746 }
Chris@127 1747
Chris@127 1748 if (haveSelections && selectionCacheable) {
Chris@127 1749 drawSelections(paint);
Chris@127 1750 m_selectionCached = repaintCache;
Chris@127 1751 selectionDrawn = true;
Chris@127 1752 }
Chris@127 1753
Chris@127 1754 paint.end();
Chris@127 1755
Chris@127 1756 if (repaintCache) {
Chris@127 1757 cacheRect |= (e ? e->rect() : rect());
Chris@127 1758 paint.begin(this);
Chris@127 1759 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@127 1760 paint.end();
Chris@127 1761 }
Chris@127 1762 }
Chris@127 1763
Chris@127 1764 // Now non-cacheable items. We always need to redraw the
Chris@127 1765 // non-cacheable items across at least the area we drew of the
Chris@127 1766 // cacheable items.
Chris@127 1767
Chris@127 1768 nonCacheRect |= cacheRect;
Chris@127 1769
Chris@127 1770 paint.begin(this);
Chris@127 1771 paint.setClipRect(nonCacheRect);
Chris@339 1772 setPaintFont(paint);
Chris@127 1773 if (scrollables.empty()) {
Chris@287 1774 paint.setPen(getBackground());
Chris@287 1775 paint.setBrush(getBackground());
Chris@127 1776 paint.drawRect(nonCacheRect);
Chris@127 1777 }
Chris@127 1778
Chris@287 1779 paint.setPen(getForeground());
Chris@127 1780 paint.setBrush(Qt::NoBrush);
Chris@127 1781
Chris@127 1782 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@127 1783 // Profiler profiler2("View::paintEvent non-cacheable");
Chris@127 1784 (*i)->paint(this, paint, nonCacheRect);
Chris@127 1785 }
Chris@127 1786
Chris@127 1787 paint.end();
Chris@127 1788
Chris@127 1789 paint.begin(this);
Chris@339 1790 setPaintFont(paint);
Chris@127 1791 if (e) paint.setClipRect(e->rect());
Chris@127 1792 if (!m_selectionCached) {
Chris@127 1793 drawSelections(paint);
Chris@127 1794 }
Chris@127 1795 paint.end();
Chris@127 1796
Chris@211 1797 bool showPlayPointer = true;
Chris@211 1798 if (m_followPlay == PlaybackScrollContinuous) {
Chris@211 1799 showPlayPointer = false;
Chris@211 1800 } else if (long(m_playPointerFrame) <= getStartFrame() ||
Chris@211 1801 m_playPointerFrame >= getEndFrame()) {
Chris@211 1802 showPlayPointer = false;
Chris@211 1803 } else if (m_manager && !m_manager->isPlaying()) {
Chris@211 1804 if (m_playPointerFrame == getCentreFrame() &&
Chris@211 1805 m_followPlay != PlaybackIgnore) {
Chris@211 1806 showPlayPointer = false;
Chris@211 1807 }
Chris@211 1808 }
Chris@211 1809
Chris@211 1810 if (showPlayPointer) {
Chris@127 1811
Chris@127 1812 paint.begin(this);
Chris@127 1813
Chris@211 1814 int playx = getXForFrame(m_playPointerFrame);
Chris@211 1815
Chris@287 1816 paint.setPen(getForeground());
Chris@211 1817 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@211 1818 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@211 1819 paint.drawPoint(playx, 0);
Chris@211 1820 paint.drawPoint(playx, height() - 1);
Chris@287 1821 paint.setPen(getBackground());
Chris@211 1822 paint.drawLine(playx, 1, playx, height() - 2);
Chris@127 1823
Chris@127 1824 paint.end();
Chris@127 1825 }
Chris@127 1826
Chris@127 1827 QFrame::paintEvent(e);
Chris@127 1828 }
Chris@127 1829
Chris@127 1830 void
Chris@127 1831 View::drawSelections(QPainter &paint)
Chris@127 1832 {
Chris@217 1833 if (!hasTopLayerTimeXAxis()) return;
Chris@217 1834
Chris@127 1835 MultiSelection::SelectionList selections;
Chris@127 1836
Chris@127 1837 if (m_manager) {
Chris@127 1838 selections = m_manager->getSelections();
Chris@127 1839 if (m_manager->haveInProgressSelection()) {
Chris@127 1840 bool exclusive;
Chris@127 1841 Selection inProgressSelection =
Chris@127 1842 m_manager->getInProgressSelection(exclusive);
Chris@127 1843 if (exclusive) selections.clear();
Chris@127 1844 selections.insert(inProgressSelection);
Chris@127 1845 }
Chris@127 1846 }
Chris@127 1847
Chris@127 1848 paint.save();
Chris@183 1849
Chris@183 1850 bool translucent = !areLayerColoursSignificant();
Chris@183 1851
Chris@183 1852 if (translucent) {
Chris@183 1853 paint.setBrush(QColor(150, 150, 255, 80));
Chris@183 1854 } else {
Chris@183 1855 paint.setBrush(Qt::NoBrush);
Chris@183 1856 }
Chris@127 1857
Chris@127 1858 int sampleRate = getModelsSampleRate();
Chris@127 1859
Chris@127 1860 QPoint localPos;
Chris@127 1861 long illuminateFrame = -1;
Chris@127 1862 bool closeToLeft, closeToRight;
Chris@127 1863
Chris@127 1864 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@127 1865 illuminateFrame = getFrameForX(localPos.x());
Chris@127 1866 }
Chris@127 1867
Chris@127 1868 const QFontMetrics &metrics = paint.fontMetrics();
Chris@127 1869
Chris@127 1870 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@127 1871 i != selections.end(); ++i) {
Chris@127 1872
Chris@333 1873 int p0 = getXForFrame(alignFromReference(i->getStartFrame()));
Chris@333 1874 int p1 = getXForFrame(alignFromReference(i->getEndFrame()));
Chris@127 1875
Chris@127 1876 if (p1 < 0 || p0 > width()) continue;
Chris@127 1877
Chris@127 1878 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@587 1879 SVDEBUG << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << endl;
Chris@127 1880 #endif
Chris@127 1881
Chris@127 1882 bool illuminateThis =
Chris@127 1883 (illuminateFrame >= 0 && i->contains(illuminateFrame));
Chris@127 1884
Chris@127 1885 paint.setPen(QColor(150, 150, 255));
Chris@183 1886
Chris@183 1887 if (translucent && shouldLabelSelections()) {
Chris@183 1888 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@183 1889 } else {
Chris@183 1890 // Make the top & bottom lines of the box visible if we
Chris@183 1891 // are lacking some of the other visual cues. There's no
Chris@183 1892 // particular logic to this, it's just a question of what
Chris@183 1893 // I happen to think looks nice.
Chris@183 1894 paint.drawRect(p0, 0, p1 - p0, height() - 1);
Chris@183 1895 }
Chris@127 1896
Chris@127 1897 if (illuminateThis) {
Chris@127 1898 paint.save();
Chris@287 1899 paint.setPen(QPen(getForeground(), 2));
Chris@127 1900 if (closeToLeft) {
Chris@127 1901 paint.drawLine(p0, 1, p1, 1);
Chris@127 1902 paint.drawLine(p0, 0, p0, height());
Chris@127 1903 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@127 1904 } else if (closeToRight) {
Chris@127 1905 paint.drawLine(p0, 1, p1, 1);
Chris@127 1906 paint.drawLine(p1, 0, p1, height());
Chris@127 1907 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@127 1908 } else {
Chris@127 1909 paint.setBrush(Qt::NoBrush);
Chris@127 1910 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@127 1911 }
Chris@127 1912 paint.restore();
Chris@127 1913 }
Chris@127 1914
Chris@127 1915 if (sampleRate && shouldLabelSelections() && m_manager &&
Chris@189 1916 m_manager->shouldShowSelectionExtents()) {
Chris@127 1917
Chris@127 1918 QString startText = QString("%1 / %2")
Chris@127 1919 .arg(QString::fromStdString
Chris@127 1920 (RealTime::frame2RealTime
Chris@127 1921 (i->getStartFrame(), sampleRate).toText(true)))
Chris@127 1922 .arg(i->getStartFrame());
Chris@127 1923
Chris@127 1924 QString endText = QString(" %1 / %2")
Chris@127 1925 .arg(QString::fromStdString
Chris@127 1926 (RealTime::frame2RealTime
Chris@127 1927 (i->getEndFrame(), sampleRate).toText(true)))
Chris@127 1928 .arg(i->getEndFrame());
Chris@127 1929
Chris@127 1930 QString durationText = QString("(%1 / %2) ")
Chris@127 1931 .arg(QString::fromStdString
Chris@127 1932 (RealTime::frame2RealTime
Chris@127 1933 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@127 1934 .toText(true)))
Chris@127 1935 .arg(i->getEndFrame() - i->getStartFrame());
Chris@127 1936
Chris@127 1937 int sw = metrics.width(startText),
Chris@127 1938 ew = metrics.width(endText),
Chris@127 1939 dw = metrics.width(durationText);
Chris@127 1940
Chris@127 1941 int sy = metrics.ascent() + metrics.height() + 4;
Chris@127 1942 int ey = sy;
Chris@127 1943 int dy = sy + metrics.height();
Chris@127 1944
Chris@127 1945 int sx = p0 + 2;
Chris@127 1946 int ex = sx;
Chris@127 1947 int dx = sx;
Chris@127 1948
Chris@501 1949 bool durationBothEnds = true;
Chris@501 1950
Chris@127 1951 if (sw + ew > (p1 - p0)) {
Chris@127 1952 ey += metrics.height();
Chris@127 1953 dy += metrics.height();
Chris@501 1954 durationBothEnds = false;
Chris@127 1955 }
Chris@127 1956
Chris@127 1957 if (ew < (p1 - p0)) {
Chris@127 1958 ex = p1 - 2 - ew;
Chris@127 1959 }
Chris@127 1960
Chris@127 1961 if (dw < (p1 - p0)) {
Chris@127 1962 dx = p1 - 2 - dw;
Chris@127 1963 }
Chris@127 1964
Chris@127 1965 paint.drawText(sx, sy, startText);
Chris@127 1966 paint.drawText(ex, ey, endText);
Chris@127 1967 paint.drawText(dx, dy, durationText);
Chris@501 1968 if (durationBothEnds) {
Chris@501 1969 paint.drawText(sx, dy, durationText);
Chris@501 1970 }
Chris@127 1971 }
Chris@127 1972 }
Chris@127 1973
Chris@127 1974 paint.restore();
Chris@127 1975 }
Chris@127 1976
Chris@267 1977 void
Chris@270 1978 View::drawMeasurementRect(QPainter &paint, const Layer *topLayer, QRect r,
Chris@270 1979 bool focus) const
Chris@267 1980 {
Chris@587 1981 // SVDEBUG << "View::drawMeasurementRect(" << r.x() << "," << r.y() << " "
Chris@585 1982 // << r.width() << "x" << r.height() << ")" << endl;
Chris@268 1983
Chris@267 1984 if (r.x() + r.width() < 0 || r.x() >= width()) return;
Chris@267 1985
Chris@270 1986 if (r.width() != 0 || r.height() != 0) {
Chris@270 1987 paint.save();
Chris@270 1988 if (focus) {
Chris@270 1989 paint.setPen(Qt::NoPen);
Chris@272 1990 QColor brushColour(Qt::black);
Chris@272 1991 brushColour.setAlpha(hasLightBackground() ? 15 : 40);
Chris@270 1992 paint.setBrush(brushColour);
Chris@270 1993 if (r.x() > 0) {
Chris@270 1994 paint.drawRect(0, 0, r.x(), height());
Chris@270 1995 }
Chris@270 1996 if (r.x() + r.width() < width()) {
Chris@270 1997 paint.drawRect(r.x() + r.width(), 0, width()-r.x()-r.width(), height());
Chris@270 1998 }
Chris@270 1999 if (r.y() > 0) {
Chris@270 2000 paint.drawRect(r.x(), 0, r.width(), r.y());
Chris@270 2001 }
Chris@270 2002 if (r.y() + r.height() < height()) {
Chris@270 2003 paint.drawRect(r.x(), r.y() + r.height(), r.width(), height()-r.y()-r.height());
Chris@270 2004 }
Chris@270 2005 paint.setBrush(Qt::NoBrush);
Chris@270 2006 }
Chris@270 2007 paint.setPen(Qt::green);
Chris@270 2008 paint.drawRect(r);
Chris@270 2009 paint.restore();
Chris@270 2010 } else {
Chris@270 2011 paint.save();
Chris@270 2012 paint.setPen(Qt::green);
Chris@270 2013 paint.drawPoint(r.x(), r.y());
Chris@270 2014 paint.restore();
Chris@270 2015 }
Chris@270 2016
Chris@270 2017 if (!focus) return;
Chris@270 2018
Chris@278 2019 paint.save();
Chris@278 2020 QFont fn = paint.font();
Chris@278 2021 if (fn.pointSize() > 8) {
Chris@278 2022 fn.setPointSize(fn.pointSize() - 1);
Chris@278 2023 paint.setFont(fn);
Chris@278 2024 }
Chris@278 2025
Chris@267 2026 int fontHeight = paint.fontMetrics().height();
Chris@267 2027 int fontAscent = paint.fontMetrics().ascent();
Chris@267 2028
Chris@267 2029 float v0, v1;
Chris@267 2030 QString u0, u1;
Chris@267 2031 bool b0 = false, b1 = false;
Chris@267 2032
Chris@267 2033 QString axs, ays, bxs, bys, dxs, dys;
Chris@267 2034
Chris@267 2035 int axx, axy, bxx, bxy, dxx, dxy;
Chris@267 2036 int aw = 0, bw = 0, dw = 0;
Chris@267 2037
Chris@267 2038 int labelCount = 0;
Chris@267 2039
Chris@362 2040 // top-left point, x-coord
Chris@362 2041
Chris@267 2042 if ((b0 = topLayer->getXScaleValue(this, r.x(), v0, u0))) {
Chris@267 2043 axs = QString("%1 %2").arg(v0).arg(u0);
Chris@278 2044 if (u0 == "Hz" && Pitch::isFrequencyInMidiRange(v0)) {
Chris@278 2045 axs = QString("%1 (%2)").arg(axs)
Chris@278 2046 .arg(Pitch::getPitchLabelForFrequency(v0));
Chris@278 2047 }
Chris@267 2048 aw = paint.fontMetrics().width(axs);
Chris@267 2049 ++labelCount;
Chris@267 2050 }
Chris@362 2051
Chris@362 2052 // bottom-right point, x-coord
Chris@267 2053
Chris@267 2054 if (r.width() > 0) {
Chris@267 2055 if ((b1 = topLayer->getXScaleValue(this, r.x() + r.width(), v1, u1))) {
Chris@267 2056 bxs = QString("%1 %2").arg(v1).arg(u1);
Chris@278 2057 if (u1 == "Hz" && Pitch::isFrequencyInMidiRange(v1)) {
Chris@278 2058 bxs = QString("%1 (%2)").arg(bxs)
Chris@278 2059 .arg(Pitch::getPitchLabelForFrequency(v1));
Chris@278 2060 }
Chris@267 2061 bw = paint.fontMetrics().width(bxs);
Chris@267 2062 }
Chris@267 2063 }
Chris@362 2064
Chris@362 2065 // dimension, width
Chris@267 2066
Chris@283 2067 if (b0 && b1 && v1 != v0 && u0 == u1) {
Chris@362 2068 dxs = QString("[%1 %2]").arg(fabs(v1 - v0)).arg(u1);
Chris@267 2069 dw = paint.fontMetrics().width(dxs);
Chris@267 2070 }
Chris@267 2071
Chris@267 2072 b0 = false;
Chris@267 2073 b1 = false;
Chris@267 2074
Chris@362 2075 // top-left point, y-coord
Chris@362 2076
Chris@267 2077 if ((b0 = topLayer->getYScaleValue(this, r.y(), v0, u0))) {
Chris@267 2078 ays = QString("%1 %2").arg(v0).arg(u0);
Chris@278 2079 if (u0 == "Hz" && Pitch::isFrequencyInMidiRange(v0)) {
Chris@278 2080 ays = QString("%1 (%2)").arg(ays)
Chris@278 2081 .arg(Pitch::getPitchLabelForFrequency(v0));
Chris@278 2082 }
Chris@267 2083 aw = std::max(aw, paint.fontMetrics().width(ays));
Chris@267 2084 ++labelCount;
Chris@267 2085 }
Chris@267 2086
Chris@362 2087 // bottom-right point, y-coord
Chris@362 2088
Chris@267 2089 if (r.height() > 0) {
Chris@267 2090 if ((b1 = topLayer->getYScaleValue(this, r.y() + r.height(), v1, u1))) {
Chris@267 2091 bys = QString("%1 %2").arg(v1).arg(u1);
Chris@278 2092 if (u1 == "Hz" && Pitch::isFrequencyInMidiRange(v1)) {
Chris@278 2093 bys = QString("%1 (%2)").arg(bys)
Chris@278 2094 .arg(Pitch::getPitchLabelForFrequency(v1));
Chris@278 2095 }
Chris@267 2096 bw = std::max(bw, paint.fontMetrics().width(bys));
Chris@267 2097 }
Chris@267 2098 }
Chris@274 2099
Chris@274 2100 bool bd = false;
Chris@274 2101 float dy = 0.f;
Chris@274 2102 QString du;
Chris@274 2103
Chris@362 2104 // dimension, height
Chris@362 2105
Chris@274 2106 if ((bd = topLayer->getYScaleDifference(this, r.y(), r.y() + r.height(),
Chris@283 2107 dy, du)) &&
Chris@283 2108 dy != 0) {
Chris@274 2109 if (du != "") {
Chris@362 2110 if (du == "Hz") {
Chris@362 2111 int semis;
Chris@362 2112 float cents;
Chris@362 2113 semis = Pitch::getPitchForFrequencyDifference(v0, v1, &cents);
Chris@362 2114 dys = QString("[%1 %2 (%3)]")
Chris@362 2115 .arg(dy).arg(du)
Chris@362 2116 .arg(Pitch::getLabelForPitchRange(semis, cents));
Chris@362 2117 } else {
Chris@362 2118 dys = QString("[%1 %2]").arg(dy).arg(du);
Chris@362 2119 }
Chris@274 2120 } else {
Chris@362 2121 dys = QString("[%1]").arg(dy);
Chris@274 2122 }
Chris@267 2123 dw = std::max(dw, paint.fontMetrics().width(dys));
Chris@267 2124 }
Chris@267 2125
Chris@267 2126 int mw = r.width();
Chris@267 2127 int mh = r.height();
Chris@267 2128
Chris@267 2129 bool edgeLabelsInside = false;
Chris@267 2130 bool sizeLabelsInside = false;
Chris@267 2131
Chris@267 2132 if (mw < std::max(aw, std::max(bw, dw)) + 4) {
Chris@267 2133 // defaults stand
Chris@267 2134 } else if (mw < aw + bw + 4) {
Chris@267 2135 if (mh > fontHeight * labelCount * 3 + 4) {
Chris@267 2136 edgeLabelsInside = true;
Chris@267 2137 sizeLabelsInside = true;
Chris@267 2138 } else if (mh > fontHeight * labelCount * 2 + 4) {
Chris@267 2139 edgeLabelsInside = true;
Chris@267 2140 }
Chris@267 2141 } else if (mw < aw + bw + dw + 4) {
Chris@267 2142 if (mh > fontHeight * labelCount * 3 + 4) {
Chris@267 2143 edgeLabelsInside = true;
Chris@267 2144 sizeLabelsInside = true;
Chris@267 2145 } else if (mh > fontHeight * labelCount + 4) {
Chris@267 2146 edgeLabelsInside = true;
Chris@267 2147 }
Chris@267 2148 } else {
Chris@267 2149 if (mh > fontHeight * labelCount + 4) {
Chris@267 2150 edgeLabelsInside = true;
Chris@267 2151 sizeLabelsInside = true;
Chris@267 2152 }
Chris@267 2153 }
Chris@267 2154
Chris@267 2155 if (edgeLabelsInside) {
Chris@267 2156
Chris@267 2157 axx = r.x() + 2;
Chris@267 2158 axy = r.y() + fontAscent + 2;
Chris@267 2159
Chris@267 2160 bxx = r.x() + r.width() - bw - 2;
Chris@267 2161 bxy = r.y() + r.height() - (labelCount-1) * fontHeight - 2;
Chris@267 2162
Chris@267 2163 } else {
Chris@267 2164
Chris@267 2165 axx = r.x() - aw - 2;
Chris@267 2166 axy = r.y() + fontAscent;
Chris@267 2167
Chris@267 2168 bxx = r.x() + r.width() + 2;
Chris@267 2169 bxy = r.y() + r.height() - (labelCount-1) * fontHeight;
Chris@267 2170 }
Chris@267 2171
Chris@267 2172 dxx = r.width()/2 + r.x() - dw/2;
Chris@267 2173
Chris@267 2174 if (sizeLabelsInside) {
Chris@267 2175
Chris@267 2176 dxy = r.height()/2 + r.y() - (labelCount * fontHeight)/2 + fontAscent;
Chris@267 2177
Chris@267 2178 } else {
Chris@267 2179
Chris@267 2180 dxy = r.y() + r.height() + fontAscent + 2;
Chris@267 2181 }
Chris@267 2182
Chris@267 2183 if (axs != "") {
Chris@267 2184 drawVisibleText(paint, axx, axy, axs, OutlinedText);
Chris@267 2185 axy += fontHeight;
Chris@267 2186 }
Chris@267 2187
Chris@267 2188 if (ays != "") {
Chris@267 2189 drawVisibleText(paint, axx, axy, ays, OutlinedText);
Chris@267 2190 axy += fontHeight;
Chris@267 2191 }
Chris@267 2192
Chris@267 2193 if (bxs != "") {
Chris@267 2194 drawVisibleText(paint, bxx, bxy, bxs, OutlinedText);
Chris@267 2195 bxy += fontHeight;
Chris@267 2196 }
Chris@267 2197
Chris@267 2198 if (bys != "") {
Chris@267 2199 drawVisibleText(paint, bxx, bxy, bys, OutlinedText);
Chris@267 2200 bxy += fontHeight;
Chris@267 2201 }
Chris@267 2202
Chris@267 2203 if (dxs != "") {
Chris@267 2204 drawVisibleText(paint, dxx, dxy, dxs, OutlinedText);
Chris@267 2205 dxy += fontHeight;
Chris@267 2206 }
Chris@267 2207
Chris@267 2208 if (dys != "") {
Chris@267 2209 drawVisibleText(paint, dxx, dxy, dys, OutlinedText);
Chris@267 2210 dxy += fontHeight;
Chris@267 2211 }
Chris@278 2212
Chris@278 2213 paint.restore();
Chris@267 2214 }
Chris@267 2215
Chris@227 2216 bool
Chris@229 2217 View::render(QPainter &paint, int xorigin, size_t f0, size_t f1)
Chris@227 2218 {
Chris@227 2219 size_t x0 = f0 / m_zoomLevel;
Chris@227 2220 size_t x1 = f1 / m_zoomLevel;
Chris@227 2221
Chris@227 2222 size_t w = x1 - x0;
Chris@227 2223
Chris@227 2224 size_t origCentreFrame = m_centreFrame;
Chris@227 2225
Chris@227 2226 bool someLayersIncomplete = false;
Chris@227 2227
Chris@227 2228 for (LayerList::iterator i = m_layers.begin();
Chris@227 2229 i != m_layers.end(); ++i) {
Chris@227 2230
Chris@227 2231 int c = (*i)->getCompletion(this);
Chris@227 2232 if (c < 100) {
Chris@227 2233 someLayersIncomplete = true;
Chris@227 2234 break;
Chris@227 2235 }
Chris@227 2236 }
Chris@227 2237
Chris@227 2238 if (someLayersIncomplete) {
Chris@227 2239
Chris@227 2240 QProgressDialog progress(tr("Waiting for layers to be ready..."),
Chris@227 2241 tr("Cancel"), 0, 100, this);
Chris@227 2242
Chris@227 2243 int layerCompletion = 0;
Chris@227 2244
Chris@227 2245 while (layerCompletion < 100) {
Chris@227 2246
Chris@227 2247 for (LayerList::iterator i = m_layers.begin();
Chris@227 2248 i != m_layers.end(); ++i) {
Chris@227 2249
Chris@227 2250 int c = (*i)->getCompletion(this);
Chris@227 2251 if (i == m_layers.begin() || c < layerCompletion) {
Chris@227 2252 layerCompletion = c;
Chris@227 2253 }
Chris@227 2254 }
Chris@227 2255
Chris@227 2256 if (layerCompletion >= 100) break;
Chris@227 2257
Chris@227 2258 progress.setValue(layerCompletion);
Chris@227 2259 qApp->processEvents();
Chris@227 2260 if (progress.wasCanceled()) {
Chris@227 2261 update();
Chris@227 2262 return false;
Chris@227 2263 }
Chris@227 2264
Chris@227 2265 usleep(50000);
Chris@227 2266 }
Chris@227 2267 }
Chris@227 2268
Chris@227 2269 QProgressDialog progress(tr("Rendering image..."),
Chris@227 2270 tr("Cancel"), 0, w / width(), this);
Chris@227 2271
Chris@227 2272 for (size_t x = 0; x < w; x += width()) {
Chris@227 2273
Chris@227 2274 progress.setValue(x / width());
Chris@227 2275 qApp->processEvents();
Chris@227 2276 if (progress.wasCanceled()) {
Chris@227 2277 m_centreFrame = origCentreFrame;
Chris@227 2278 update();
Chris@227 2279 return false;
Chris@227 2280 }
Chris@227 2281
Chris@229 2282 m_centreFrame = f0 + (x + width()/2) * m_zoomLevel;
Chris@227 2283
Chris@227 2284 QRect chunk(0, 0, width(), height());
Chris@227 2285
Chris@287 2286 paint.setPen(getBackground());
Chris@287 2287 paint.setBrush(getBackground());
Chris@227 2288
Chris@229 2289 paint.drawRect(QRect(xorigin + x, 0, width(), height()));
Chris@227 2290
Chris@287 2291 paint.setPen(getForeground());
Chris@227 2292 paint.setBrush(Qt::NoBrush);
Chris@227 2293
Chris@227 2294 for (LayerList::iterator i = m_layers.begin();
Chris@227 2295 i != m_layers.end(); ++i) {
dan@574 2296 if(!((*i)->isLayerDormant(this))){
dan@574 2297
dan@574 2298 paint.setRenderHint(QPainter::Antialiasing, false);
dan@574 2299
dan@574 2300 paint.save();
dan@574 2301 paint.translate(xorigin + x, 0);
dan@574 2302
dan@574 2303 std::cerr << "Centre frame now: " << m_centreFrame << " drawing to " << chunk.x() + x + xorigin << ", " << chunk.width() << std::endl;
dan@574 2304
dan@574 2305 (*i)->setSynchronousPainting(true);
dan@574 2306
dan@574 2307 (*i)->paint(this, paint, chunk);
dan@574 2308
dan@574 2309 (*i)->setSynchronousPainting(false);
dan@574 2310
dan@574 2311 paint.restore();
dan@574 2312 }
Chris@227 2313 }
Chris@227 2314 }
Chris@227 2315
Chris@227 2316 m_centreFrame = origCentreFrame;
Chris@227 2317 update();
Chris@227 2318 return true;
Chris@227 2319 }
Chris@227 2320
Chris@227 2321 QImage *
Chris@227 2322 View::toNewImage()
Chris@227 2323 {
Chris@227 2324 size_t f0 = getModelsStartFrame();
Chris@227 2325 size_t f1 = getModelsEndFrame();
Chris@227 2326
Chris@229 2327 return toNewImage(f0, f1);
Chris@229 2328 }
Chris@229 2329
Chris@229 2330 QImage *
Chris@229 2331 View::toNewImage(size_t f0, size_t f1)
Chris@229 2332 {
Chris@227 2333 size_t x0 = f0 / getZoomLevel();
Chris@227 2334 size_t x1 = f1 / getZoomLevel();
Chris@227 2335
Chris@227 2336 QImage *image = new QImage(x1 - x0, height(), QImage::Format_RGB32);
Chris@227 2337
Chris@227 2338 QPainter *paint = new QPainter(image);
Chris@229 2339 if (!render(*paint, 0, f0, f1)) {
Chris@227 2340 delete paint;
Chris@227 2341 delete image;
Chris@227 2342 return 0;
Chris@227 2343 } else {
Chris@227 2344 delete paint;
Chris@227 2345 return image;
Chris@227 2346 }
Chris@227 2347 }
Chris@227 2348
Chris@229 2349 QSize
Chris@229 2350 View::getImageSize()
Chris@229 2351 {
Chris@229 2352 size_t f0 = getModelsStartFrame();
Chris@229 2353 size_t f1 = getModelsEndFrame();
Chris@229 2354
Chris@229 2355 return getImageSize(f0, f1);
Chris@229 2356 }
Chris@229 2357
Chris@229 2358 QSize
Chris@229 2359 View::getImageSize(size_t f0, size_t f1)
Chris@229 2360 {
Chris@229 2361 size_t x0 = f0 / getZoomLevel();
Chris@229 2362 size_t x1 = f1 / getZoomLevel();
Chris@229 2363
Chris@229 2364 return QSize(x1 - x0, height());
Chris@229 2365 }
Chris@229 2366
Chris@316 2367 void
Chris@591 2368 View::playExampleNote(int midiPitch) const
Chris@591 2369 {
Chris@591 2370 if (m_manager) m_manager->playExampleNote(midiPitch);
Chris@591 2371 }
Chris@591 2372
Chris@591 2373 void
Chris@316 2374 View::toXml(QTextStream &stream,
Chris@316 2375 QString indent, QString extraAttributes) const
Chris@127 2376 {
Chris@316 2377 stream << indent;
Chris@127 2378
Chris@316 2379 stream << QString("<view "
Chris@316 2380 "centre=\"%1\" "
Chris@316 2381 "zoom=\"%2\" "
Chris@316 2382 "followPan=\"%3\" "
Chris@316 2383 "followZoom=\"%4\" "
Chris@316 2384 "tracking=\"%5\" "
Chris@316 2385 " %6>\n")
Chris@127 2386 .arg(m_centreFrame)
Chris@127 2387 .arg(m_zoomLevel)
Chris@127 2388 .arg(m_followPan)
Chris@127 2389 .arg(m_followZoom)
Chris@127 2390 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@127 2391 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@127 2392 .arg(extraAttributes);
Chris@127 2393
Chris@127 2394 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@186 2395 bool visible = !m_layers[i]->isLayerDormant(this);
Chris@316 2396 m_layers[i]->toBriefXml(stream, indent + " ",
Chris@316 2397 QString("visible=\"%1\"")
Chris@316 2398 .arg(visible ? "true" : "false"));
Chris@127 2399 }
Chris@127 2400
Chris@316 2401 stream << indent + "</view>\n";
Chris@127 2402 }
Chris@127 2403
Chris@127 2404 ViewPropertyContainer::ViewPropertyContainer(View *v) :
Chris@127 2405 m_v(v)
Chris@127 2406 {
Chris@127 2407 connect(m_v, SIGNAL(propertyChanged(PropertyContainer::PropertyName)),
Chris@127 2408 this, SIGNAL(propertyChanged(PropertyContainer::PropertyName)));
Chris@127 2409 }
Chris@127 2410