annotate base/View.cpp @ 37:838652cc31e6

MacOS fixes, TonalChangeDetector added
author Martin Gasser
date Fri, 03 Mar 2006 16:32:45 +0000
parents 935a2419a77c
children b8aae4f883b7
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@1 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 #include "base/View.h"
Chris@0 11 #include "base/Layer.h"
Chris@0 12 #include "base/Model.h"
Chris@0 13 #include "base/ZoomConstraint.h"
Chris@0 14 #include "base/Profiler.h"
Chris@0 15
Chris@0 16 #include "layer/TimeRulerLayer.h" //!!! damn, shouldn't be including that here
Chris@25 17 #include "model/PowerOfSqrtTwoZoomConstraint.h" //!!! likewise
Chris@0 18
Chris@0 19 #include <QPainter>
Chris@0 20 #include <QPaintEvent>
Chris@0 21 #include <QRect>
Chris@0 22 #include <QApplication>
Chris@0 23
Chris@0 24 #include <iostream>
Chris@16 25 #include <cassert>
Martin@37 26 #include <math.h>
Chris@0 27
Chris@18 28 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@0 29
Chris@0 30 using std::cerr;
Chris@0 31 using std::endl;
Chris@0 32
Chris@0 33 View::View(QWidget *w, bool showProgress) :
Chris@0 34 QFrame(w),
Chris@0 35 m_centreFrame(0),
Chris@0 36 m_zoomLevel(1024),
Chris@0 37 m_followPan(true),
Chris@0 38 m_followZoom(true),
Chris@0 39 m_followPlay(PlaybackScrollPage),
Chris@0 40 m_lightBackground(true),
Chris@0 41 m_showProgress(showProgress),
Chris@0 42 m_cache(0),
Chris@0 43 m_cacheCentreFrame(0),
Chris@0 44 m_cacheZoomLevel(1024),
Chris@9 45 m_selectionCached(false),
Chris@0 46 m_deleting(false),
Chris@8 47 m_haveSelectedLayer(false),
Chris@29 48 m_manager(0),
Chris@29 49 m_propertyContainer(new ViewPropertyContainer(this))
Chris@0 50 {
Chris@0 51 // QWidget::setAttribute(Qt::WA_PaintOnScreen);
Chris@0 52 }
Chris@0 53
Chris@0 54 View::~View()
Chris@0 55 {
Chris@36 56 //!!! will want to _not_ delete layers
Chris@36 57
Chris@0 58 m_deleting = true;
Chris@0 59
Chris@0 60 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 61 delete *i;
Chris@0 62 }
Chris@29 63
Chris@29 64 delete m_propertyContainer;
Chris@0 65 }
Chris@0 66
Chris@0 67 PropertyContainer::PropertyList
Chris@0 68 View::getProperties() const
Chris@0 69 {
Chris@29 70 PropertyContainer::PropertyList list;
Chris@0 71 list.push_back(tr("Global Scroll"));
Chris@0 72 list.push_back(tr("Global Zoom"));
Chris@0 73 list.push_back(tr("Follow Playback"));
Chris@0 74 return list;
Chris@0 75 }
Chris@0 76
Chris@0 77 PropertyContainer::PropertyType
Chris@29 78 View::getPropertyType(const PropertyContainer::PropertyName &name) const
Chris@0 79 {
Chris@29 80 if (name == tr("Global Scroll")) return PropertyContainer::ToggleProperty;
Chris@29 81 if (name == tr("Global Zoom")) return PropertyContainer::ToggleProperty;
Chris@29 82 if (name == tr("Follow Playback")) return PropertyContainer::ValueProperty;
Chris@29 83 return PropertyContainer::InvalidProperty;
Chris@0 84 }
Chris@0 85
Chris@0 86 int
Chris@29 87 View::getPropertyRangeAndValue(const PropertyContainer::PropertyName &name,
Chris@29 88 int *min, int *max) const
Chris@0 89 {
Chris@0 90 if (name == tr("Global Scroll")) return m_followPan;
Chris@0 91 if (name == tr("Global Zoom")) return m_followZoom;
Chris@29 92 if (name == tr("Follow Playback")) {
Chris@29 93 if (min) *min = 0;
Chris@29 94 if (max) *max = 2;
Chris@29 95 return int(m_followPlay);
Chris@29 96 }
Chris@29 97 if (min) *min = 0;
Chris@29 98 if (max) *max = 0;
Chris@29 99 return 0;
Chris@0 100 }
Chris@0 101
Chris@0 102 QString
Chris@29 103 View::getPropertyValueLabel(const PropertyContainer::PropertyName &name,
Chris@29 104 int value) const
Chris@0 105 {
Chris@0 106 if (name == tr("Follow Playback")) {
Chris@0 107 switch (value) {
Chris@0 108 default:
Chris@0 109 case 0: return tr("Scroll");
Chris@0 110 case 1: return tr("Page");
Chris@0 111 case 2: return tr("Off");
Chris@0 112 }
Chris@0 113 }
Chris@0 114 return tr("<unknown>");
Chris@0 115 }
Chris@0 116
Chris@0 117 void
Chris@29 118 View::setProperty(const PropertyContainer::PropertyName &name, int value)
Chris@0 119 {
Chris@0 120 if (name == tr("Global Scroll")) {
Chris@0 121 setFollowGlobalPan(value != 0);
Chris@0 122 } else if (name == tr("Global Zoom")) {
Chris@0 123 setFollowGlobalZoom(value != 0);
Chris@0 124 } else if (name == tr("Follow Playback")) {
Chris@0 125 switch (value) {
Chris@0 126 default:
Chris@0 127 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@0 128 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@0 129 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@0 130 }
Chris@0 131 }
Chris@0 132 }
Chris@0 133
Chris@0 134 size_t
Chris@0 135 View::getPropertyContainerCount() const
Chris@0 136 {
Chris@0 137 return m_layers.size() + 1; // the 1 is for me
Chris@0 138 }
Chris@0 139
Chris@0 140 const PropertyContainer *
Chris@0 141 View::getPropertyContainer(size_t i) const
Chris@0 142 {
Chris@0 143 return (const PropertyContainer *)(((View *)this)->
Chris@0 144 getPropertyContainer(i));
Chris@0 145 }
Chris@0 146
Chris@0 147 PropertyContainer *
Chris@0 148 View::getPropertyContainer(size_t i)
Chris@0 149 {
Chris@29 150 if (i == 0) return m_propertyContainer;
Chris@0 151 return m_layers[i-1];
Chris@0 152 }
Chris@0 153
Chris@0 154 void
Chris@0 155 View::propertyContainerSelected(PropertyContainer *pc)
Chris@0 156 {
Chris@29 157 if (pc == m_propertyContainer) {
Chris@8 158 if (m_haveSelectedLayer) {
Chris@8 159 m_haveSelectedLayer = false;
Chris@8 160 update();
Chris@8 161 }
Chris@8 162 return;
Chris@8 163 }
Chris@0 164
Chris@0 165 delete m_cache;
Chris@0 166 m_cache = 0;
Chris@0 167
Chris@0 168 Layer *selectedLayer = 0;
Chris@0 169
Chris@0 170 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 171 if (*i == pc) {
Chris@0 172 selectedLayer = *i;
Chris@0 173 m_layers.erase(i);
Chris@0 174 break;
Chris@0 175 }
Chris@0 176 }
Chris@0 177
Chris@0 178 if (selectedLayer) {
Chris@8 179 m_haveSelectedLayer = true;
Chris@0 180 m_layers.push_back(selectedLayer);
Chris@0 181 update();
Chris@8 182 } else {
Chris@8 183 m_haveSelectedLayer = false;
Chris@0 184 }
Chris@0 185 }
Chris@0 186
Chris@8 187 void
Chris@8 188 View::toolModeChanged()
Chris@8 189 {
Chris@8 190 std::cerr << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << std::endl;
Chris@8 191 }
Chris@8 192
Chris@0 193 long
Chris@0 194 View::getStartFrame() const
Chris@0 195 {
Chris@0 196 size_t w2 = (width() / 2) * m_zoomLevel;
Chris@0 197 size_t frame = m_centreFrame;
Chris@0 198 if (frame >= w2) {
Chris@0 199 frame -= w2;
Chris@0 200 return (frame / m_zoomLevel * m_zoomLevel);
Chris@0 201 } else {
Chris@0 202 frame = w2 - frame;
Chris@0 203 frame = frame / m_zoomLevel * m_zoomLevel;
Chris@0 204 return -(long)frame - m_zoomLevel;
Chris@0 205 }
Chris@0 206 }
Chris@0 207
Chris@0 208 size_t
Chris@0 209 View::getEndFrame() const
Chris@0 210 {
Chris@16 211 return getFrameForX(width()) - 1;
Chris@0 212 }
Chris@0 213
Chris@0 214 void
Chris@0 215 View::setStartFrame(long f)
Chris@0 216 {
Chris@0 217 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@0 218 }
Chris@0 219
Chris@10 220 bool
Chris@0 221 View::setCentreFrame(size_t f, bool e)
Chris@0 222 {
Chris@10 223 bool changeVisible = false;
Chris@10 224
Chris@0 225 if (m_centreFrame != f) {
Chris@0 226
Chris@0 227 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@0 228
Chris@0 229 m_centreFrame = f;
Chris@0 230
Chris@0 231 int newPixel = m_centreFrame / m_zoomLevel;
Chris@0 232
Chris@0 233 if (newPixel != formerPixel) {
Chris@0 234
Chris@0 235 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 236 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@0 237 #endif
Chris@0 238 update();
Chris@10 239
Chris@10 240 changeVisible = true;
Chris@0 241 }
Chris@0 242
Chris@0 243 if (e) emit centreFrameChanged(this, f, m_followPan);
Chris@0 244 }
Chris@10 245
Chris@10 246 return changeVisible;
Chris@0 247 }
Chris@0 248
Chris@15 249 int
Chris@15 250 View::getXForFrame(long frame) const
Chris@15 251 {
Chris@15 252 return (frame - getStartFrame()) / m_zoomLevel;
Chris@15 253 }
Chris@15 254
Chris@15 255 long
Chris@15 256 View::getFrameForX(int x) const
Chris@15 257 {
Chris@15 258 return (long(x) * long(m_zoomLevel)) + getStartFrame();
Chris@15 259 }
Chris@15 260
Chris@33 261 float
Chris@33 262 View::getYForFrequency(float frequency,
Chris@33 263 float minf,
Chris@33 264 float maxf,
Chris@33 265 bool logarithmic) const
Chris@33 266 {
Chris@33 267 int h = height();
Chris@33 268
Chris@33 269 if (logarithmic) {
Chris@33 270
Chris@33 271 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@33 272 static float logminf = 0.0, logmaxf = 0.0;
Chris@33 273
Chris@33 274 if (lastminf != minf) {
Chris@33 275 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@33 276 logminf = log10f(minf);
Chris@33 277 }
Chris@33 278 if (lastmaxf != maxf) {
Chris@33 279 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@33 280 logmaxf = log10f(maxf);
Chris@33 281 }
Chris@33 282
Chris@33 283 if (logminf == logmaxf) return 0;
Chris@33 284 return h - (h * (log10f(frequency) - logminf)) / (logmaxf - logminf);
Chris@33 285
Chris@33 286 } else {
Chris@33 287
Chris@33 288 if (minf == maxf) return 0;
Chris@33 289 return h - (h * (frequency - minf)) / (maxf - minf);
Chris@33 290 }
Chris@33 291 }
Chris@33 292
Chris@33 293 float
Chris@33 294 View::getFrequencyForY(int y,
Chris@33 295 float minf,
Chris@33 296 float maxf,
Chris@33 297 bool logarithmic) const
Chris@33 298 {
Chris@33 299 int h = height();
Chris@33 300
Chris@33 301 if (logarithmic) {
Chris@33 302
Chris@33 303 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@33 304 static float logminf = 0.0, logmaxf = 0.0;
Chris@33 305
Chris@33 306 if (lastminf != minf) {
Chris@33 307 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@33 308 logminf = log10f(minf);
Chris@33 309 }
Chris@33 310 if (lastmaxf != maxf) {
Chris@33 311 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@33 312 logmaxf = log10f(maxf);
Chris@33 313 }
Chris@33 314
Chris@33 315 if (logminf == logmaxf) return 0;
Chris@33 316 return pow(10.f, logminf + ((logmaxf - logminf) * (h - y)) / h);
Chris@33 317
Chris@33 318 } else {
Chris@33 319
Chris@33 320 if (minf == maxf) return 0;
Chris@33 321 return minf + ((h - y) * (maxf - minf)) / h;
Chris@33 322 }
Chris@33 323 }
Chris@33 324
Chris@22 325 int
Chris@22 326 View::getZoomLevel() const
Chris@22 327 {
Chris@22 328 return m_zoomLevel;
Chris@22 329 }
Chris@22 330
Chris@0 331 void
Chris@0 332 View::setZoomLevel(size_t z)
Chris@0 333 {
Chris@0 334 if (m_zoomLevel != int(z)) {
Chris@0 335 m_zoomLevel = z;
Chris@0 336 emit zoomLevelChanged(this, z, m_followZoom);
Chris@0 337 update();
Chris@0 338 }
Chris@0 339 }
Chris@0 340
Chris@16 341 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@16 342 QProgressBar(parent)
Chris@16 343 {
Chris@16 344 QFont f(font());
Chris@16 345 f.setPointSize(f.pointSize() * 8 / 10);
Chris@16 346 setFont(f);
Chris@16 347 }
Chris@16 348
Chris@0 349 void
Chris@0 350 View::addLayer(Layer *layer)
Chris@0 351 {
Chris@0 352 delete m_cache;
Chris@0 353 m_cache = 0;
Chris@0 354
Chris@0 355 m_layers.push_back(layer);
Chris@0 356
Chris@0 357 m_progressBars[layer] = new LayerProgressBar(this);
Chris@0 358 m_progressBars[layer]->setMinimum(0);
Chris@0 359 m_progressBars[layer]->setMaximum(100);
Chris@0 360 m_progressBars[layer]->setMinimumWidth(80);
Chris@0 361 m_progressBars[layer]->hide();
Chris@16 362
Chris@0 363 connect(layer, SIGNAL(layerParametersChanged()),
Chris@0 364 this, SLOT(layerParametersChanged()));
Chris@0 365 connect(layer, SIGNAL(layerNameChanged()),
Chris@0 366 this, SLOT(layerNameChanged()));
Chris@0 367 connect(layer, SIGNAL(modelChanged()),
Chris@0 368 this, SLOT(modelChanged()));
Chris@0 369 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@0 370 this, SLOT(modelCompletionChanged()));
Chris@0 371 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@0 372 this, SLOT(modelChanged(size_t, size_t)));
Chris@0 373 connect(layer, SIGNAL(modelReplaced()),
Chris@0 374 this, SLOT(modelReplaced()));
Chris@0 375
Chris@0 376 update();
Chris@0 377
Chris@0 378 emit propertyContainerAdded(layer);
Chris@0 379 }
Chris@0 380
Chris@0 381 void
Chris@0 382 View::removeLayer(Layer *layer)
Chris@0 383 {
Chris@0 384 if (m_deleting) {
Chris@0 385 return;
Chris@0 386 }
Chris@0 387
Chris@0 388 delete m_cache;
Chris@0 389 m_cache = 0;
Chris@0 390
Chris@0 391 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 392 if (*i == layer) {
Chris@0 393 m_layers.erase(i);
Chris@0 394 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@0 395 delete m_progressBars[layer];
Chris@0 396 m_progressBars.erase(layer);
Chris@0 397 }
Chris@0 398 break;
Chris@0 399 }
Chris@0 400 }
Chris@0 401
Chris@0 402 update();
Chris@0 403
Chris@0 404 emit propertyContainerRemoved(layer);
Chris@0 405 }
Chris@0 406
Chris@8 407 Layer *
Chris@8 408 View::getSelectedLayer()
Chris@8 409 {
Chris@8 410 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@8 411 return getLayer(getLayerCount() - 1);
Chris@8 412 } else {
Chris@8 413 return 0;
Chris@8 414 }
Chris@8 415 }
Chris@8 416
Chris@36 417 const Layer *
Chris@36 418 View::getSelectedLayer() const
Chris@36 419 {
Chris@36 420 return const_cast<const Layer *>(const_cast<View *>(this)->getSelectedLayer());
Chris@36 421 }
Chris@36 422
Chris@0 423 void
Chris@0 424 View::setViewManager(ViewManager *manager)
Chris@0 425 {
Chris@0 426 if (m_manager) {
Chris@0 427 m_manager->disconnect(this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 428 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@0 429 disconnect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 430 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 431 disconnect(m_manager, SIGNAL(toolModeChanged()));
Chris@8 432 disconnect(m_manager, SIGNAL(selectionChanged()));
Chris@9 433 disconnect(m_manager, SIGNAL(inProgressSelectionChanged()));
Chris@0 434 }
Chris@0 435
Chris@0 436 m_manager = manager;
Chris@0 437 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@0 438 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@0 439
Chris@0 440 connect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 441 this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 442 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@0 443 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@0 444 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 445 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@8 446 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@8 447 this, SLOT(toolModeChanged()));
Chris@8 448 connect(m_manager, SIGNAL(selectionChanged()),
Chris@9 449 this, SLOT(selectionChanged()));
Chris@9 450 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@9 451 this, SLOT(selectionChanged()));
Chris@0 452
Chris@0 453 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 454 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 455 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 456 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 457
Chris@8 458 toolModeChanged();
Chris@0 459 }
Chris@0 460
Chris@0 461 void
Chris@0 462 View::setFollowGlobalPan(bool f)
Chris@0 463 {
Chris@0 464 m_followPan = f;
Chris@29 465 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 466 }
Chris@0 467
Chris@0 468 void
Chris@0 469 View::setFollowGlobalZoom(bool f)
Chris@0 470 {
Chris@0 471 m_followZoom = f;
Chris@29 472 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 473 }
Chris@0 474
Chris@0 475 void
Chris@0 476 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 477 {
Chris@0 478 m_followPlay = m;
Chris@29 479 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 480 }
Chris@0 481
Chris@0 482 void
Chris@0 483 View::modelChanged()
Chris@0 484 {
Chris@0 485 QObject *obj = sender();
Chris@0 486
Chris@0 487 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 488 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 489 #endif
Chris@31 490
Chris@31 491 // If the model that has changed is not used by any of the cached
Chris@31 492 // layers, we won't need to recreate the cache
Chris@31 493
Chris@31 494 bool recreate = false;
Chris@31 495
Chris@31 496 bool discard;
Chris@31 497 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 498 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 499 i != scrollables.end(); ++i) {
Chris@31 500 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 501 recreate = true;
Chris@31 502 break;
Chris@31 503 }
Chris@31 504 }
Chris@31 505
Chris@31 506 if (recreate) {
Chris@31 507 delete m_cache;
Chris@31 508 m_cache = 0;
Chris@31 509 }
Chris@0 510
Chris@0 511 checkProgress(obj);
Chris@0 512
Chris@0 513 update();
Chris@0 514 }
Chris@0 515
Chris@0 516 void
Chris@0 517 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 518 {
Chris@0 519 QObject *obj = sender();
Chris@0 520
Chris@0 521 long myStartFrame = getStartFrame();
Chris@0 522 size_t myEndFrame = getEndFrame();
Chris@0 523
Chris@1 524 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 525 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 526 #endif
Chris@1 527
Chris@0 528 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 529 checkProgress(obj);
Chris@0 530 return;
Chris@0 531 }
Chris@0 532 if (startFrame > myEndFrame) {
Chris@0 533 checkProgress(obj);
Chris@0 534 return;
Chris@0 535 }
Chris@0 536
Chris@31 537 // If the model that has changed is not used by any of the cached
Chris@31 538 // layers, we won't need to recreate the cache
Chris@31 539
Chris@31 540 bool recreate = false;
Chris@31 541
Chris@31 542 bool discard;
Chris@31 543 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 544 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 545 i != scrollables.end(); ++i) {
Chris@31 546 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 547 recreate = true;
Chris@31 548 break;
Chris@31 549 }
Chris@31 550 }
Chris@31 551
Chris@31 552 if (recreate) {
Chris@31 553 delete m_cache;
Chris@31 554 m_cache = 0;
Chris@31 555 }
Chris@0 556
Chris@0 557 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 558 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 559
Chris@15 560 int x0 = getXForFrame(startFrame);
Chris@15 561 int x1 = getXForFrame(endFrame + 1);
Chris@15 562 if (x1 < x0) x1 = x0;
Chris@0 563
Chris@0 564 checkProgress(obj);
Chris@0 565
Chris@31 566 update();
Chris@31 567 //!! update(x0, 0, x1 - x0 + 1, height());
Chris@0 568 }
Chris@0 569
Chris@0 570 void
Chris@0 571 View::modelCompletionChanged()
Chris@0 572 {
Chris@0 573 QObject *obj = sender();
Chris@0 574 checkProgress(obj);
Chris@0 575 }
Chris@0 576
Chris@0 577 void
Chris@0 578 View::modelReplaced()
Chris@0 579 {
Chris@0 580 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 581 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 582 #endif
Chris@1 583 delete m_cache;
Chris@1 584 m_cache = 0;
Chris@1 585
Chris@0 586 update();
Chris@0 587 }
Chris@0 588
Chris@0 589 void
Chris@0 590 View::layerParametersChanged()
Chris@0 591 {
Chris@0 592 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 593
Chris@0 594 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 595 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 596 #endif
Chris@0 597
Chris@0 598 delete m_cache;
Chris@0 599 m_cache = 0;
Chris@0 600 update();
Chris@0 601
Chris@0 602 if (layer) {
Chris@0 603 emit propertyContainerPropertyChanged(layer);
Chris@0 604 }
Chris@0 605 }
Chris@0 606
Chris@0 607 void
Chris@0 608 View::layerNameChanged()
Chris@0 609 {
Chris@0 610 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 611 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 612 }
Chris@0 613
Chris@0 614 void
Chris@0 615 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 616 {
Chris@0 617 if (m_followPan && p != this && locked) {
Chris@0 618 if (m_manager && (sender() == m_manager)) {
Chris@0 619 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 620 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 621 #endif
Chris@0 622 setCentreFrame(f);
Chris@0 623 if (p == this) repaint();
Chris@0 624 }
Chris@0 625 }
Chris@0 626 }
Chris@0 627
Chris@0 628 void
Chris@0 629 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 630 {
Chris@0 631 if (m_manager) {
Chris@0 632 if (sender() != m_manager) return;
Chris@0 633 }
Chris@0 634
Chris@0 635 if (m_playPointerFrame == f) return;
Chris@15 636 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 637 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 638 m_playPointerFrame = f;
Chris@0 639 if (!visible) return;
Chris@0 640
Chris@21 641 bool modifierPressed = // we only care about these ones
Chris@21 642 ((QApplication::keyboardModifiers() & Qt::ShiftModifier) ||
Chris@21 643 (QApplication::keyboardModifiers() & Qt::ControlModifier));
Chris@20 644
Chris@0 645 switch (m_followPlay) {
Chris@0 646
Chris@0 647 case PlaybackScrollContinuous:
Chris@10 648 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 649 !modifierPressed) {
Chris@0 650 setCentreFrame(f, false);
Chris@0 651 }
Chris@0 652 break;
Chris@0 653
Chris@0 654 case PlaybackScrollPage:
Chris@0 655 {
Chris@15 656 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 657 repaint(xold - 1, 0, 3, height());
Chris@10 658
Chris@15 659 long w = getEndFrame() - getStartFrame();
Chris@0 660 w -= w/5;
Chris@0 661 long sf = (f / w) * w - w/8;
Chris@10 662
Chris@10 663 if (m_manager &&
Chris@10 664 m_manager->isPlaying() &&
Chris@10 665 m_manager->getPlaySelectionMode()) {
Chris@24 666 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@10 667 if (!selections.empty()) {
Chris@10 668 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 669 if (sf < long(selectionStart) - w / 10) {
Chris@10 670 sf = long(selectionStart) - w / 10;
Chris@10 671 }
Chris@10 672 }
Chris@10 673 }
Chris@10 674
Chris@0 675 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 676 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 677 << getStartFrame() << std::endl;
Chris@0 678 #endif
Chris@10 679
Chris@15 680 // We don't consider scrolling unless the pointer is outside
Chris@15 681 // the clearly visible range already
Chris@15 682
Chris@15 683 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 684
Chris@18 685 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 686 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 687 #endif
Chris@18 688
Chris@15 689 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 690 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 691 !modifierPressed) {
Chris@15 692 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 693 long newCentre = sf + offset;
Chris@15 694 bool changed = setCentreFrame(newCentre, false);
Chris@15 695 if (changed) {
Chris@15 696 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 697 update(xold - 1, 0, 3, height());
Chris@15 698 }
Chris@10 699 }
Chris@10 700 }
Chris@10 701
Chris@0 702 update(xnew - 1, 0, 3, height());
Chris@10 703
Chris@0 704 break;
Chris@0 705 }
Chris@0 706
Chris@0 707 case PlaybackIgnore:
Chris@0 708 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 709 update();
Chris@0 710 }
Chris@0 711 break;
Chris@0 712 }
Chris@0 713 }
Chris@0 714
Chris@0 715 void
Chris@0 716 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 717 {
Chris@0 718 if (m_followZoom && p != this && locked) {
Chris@0 719 if (m_manager && (sender() == m_manager)) {
Chris@0 720 setZoomLevel(z);
Chris@0 721 if (p == this) repaint();
Chris@0 722 }
Chris@0 723 }
Chris@0 724 }
Chris@0 725
Chris@9 726 void
Chris@9 727 View::selectionChanged()
Chris@9 728 {
Chris@9 729 if (m_selectionCached) {
Chris@9 730 delete m_cache;
Chris@9 731 m_cache = 0;
Chris@9 732 m_selectionCached = false;
Chris@9 733 }
Chris@9 734 update();
Chris@9 735 }
Chris@9 736
Chris@0 737 size_t
Chris@0 738 View::getModelsStartFrame() const
Chris@0 739 {
Chris@0 740 bool first = true;
Chris@0 741 size_t startFrame = 0;
Chris@0 742
Chris@0 743 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 744
Chris@0 745 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 746
Chris@0 747 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 748
Chris@0 749 if (first || thisStartFrame < startFrame) {
Chris@0 750 startFrame = thisStartFrame;
Chris@0 751 }
Chris@0 752 first = false;
Chris@0 753 }
Chris@0 754 }
Chris@0 755 return startFrame;
Chris@0 756 }
Chris@0 757
Chris@0 758 size_t
Chris@0 759 View::getModelsEndFrame() const
Chris@0 760 {
Chris@0 761 bool first = true;
Chris@0 762 size_t endFrame = 0;
Chris@0 763
Chris@0 764 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 765
Chris@0 766 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 767
Chris@0 768 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 769
Chris@0 770 if (first || thisEndFrame > endFrame) {
Chris@0 771 endFrame = thisEndFrame;
Chris@0 772 }
Chris@0 773 first = false;
Chris@0 774 }
Chris@0 775 }
Chris@0 776
Chris@0 777 if (first) return getModelsStartFrame();
Chris@0 778 return endFrame;
Chris@0 779 }
Chris@0 780
Chris@0 781 int
Chris@0 782 View::getModelsSampleRate() const
Chris@0 783 {
Chris@0 784 //!!! Just go for the first, for now. If we were supporting
Chris@0 785 // multiple samplerates, we'd probably want to do frame/time
Chris@0 786 // conversion in the model
Chris@0 787
Chris@0 788 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 789 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 790 return (*i)->getModel()->getSampleRate();
Chris@0 791 }
Chris@0 792 }
Chris@0 793 return 0;
Chris@0 794 }
Chris@0 795
Chris@0 796 bool
Chris@0 797 View::areLayersScrollable() const
Chris@0 798 {
Chris@0 799 // True iff all views are scrollable
Chris@0 800 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 801 if (!(*i)->isLayerScrollable(this)) return false;
Chris@0 802 }
Chris@0 803 return true;
Chris@0 804 }
Chris@0 805
Chris@0 806 View::LayerList
Chris@31 807 View::getScrollableBackLayers(bool testChanged, bool &changed) const
Chris@0 808 {
Chris@0 809 changed = false;
Chris@0 810
Chris@0 811 LayerList scrollables;
Chris@0 812 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 813 if ((*i)->isLayerDormant(this)) continue;
Chris@36 814 if ((*i)->isLayerScrollable(this)) scrollables.push_back(*i);
Chris@0 815 else {
Chris@31 816 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@0 817 m_lastScrollableBackLayers = scrollables;
Chris@0 818 changed = true;
Chris@0 819 }
Chris@0 820 return scrollables;
Chris@0 821 }
Chris@0 822 }
Chris@0 823
Chris@0 824 if (scrollables.size() == 1 &&
Chris@0 825 dynamic_cast<TimeRulerLayer *>(*scrollables.begin())) {
Chris@0 826
Chris@0 827 // If only the ruler is scrollable, it's not worth the bother
Chris@0 828 // -- it probably redraws as quickly as it refreshes from
Chris@0 829 // cache
Chris@0 830 scrollables.clear();
Chris@0 831 }
Chris@0 832
Chris@31 833 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@0 834 m_lastScrollableBackLayers = scrollables;
Chris@0 835 changed = true;
Chris@0 836 }
Chris@0 837 return scrollables;
Chris@0 838 }
Chris@0 839
Chris@0 840 View::LayerList
Chris@31 841 View::getNonScrollableFrontLayers(bool testChanged, bool &changed) const
Chris@0 842 {
Chris@0 843 changed = false;
Chris@31 844 LayerList scrollables = getScrollableBackLayers(testChanged, changed);
Chris@0 845 LayerList nonScrollables;
Chris@0 846
Chris@0 847 // Everything in front of the first non-scrollable from the back
Chris@0 848 // should also be considered non-scrollable
Chris@0 849
Chris@0 850 size_t count = 0;
Chris@0 851 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 852 if ((*i)->isLayerDormant(this)) continue;
Chris@0 853 if (count < scrollables.size()) {
Chris@0 854 ++count;
Chris@0 855 continue;
Chris@0 856 }
Chris@0 857 nonScrollables.push_back(*i);
Chris@0 858 }
Chris@0 859
Chris@31 860 if (testChanged && nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 861 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 862 changed = true;
Chris@0 863 }
Chris@0 864
Chris@0 865 return nonScrollables;
Chris@0 866 }
Chris@0 867
Chris@0 868 size_t
Chris@0 869 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 870 ZoomConstraint::RoundingDirection dir)
Chris@0 871 const
Chris@0 872 {
Chris@0 873 size_t candidate = blockSize;
Chris@0 874 bool haveCandidate = false;
Chris@0 875
Chris@25 876 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@25 877
Chris@0 878 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 879
Chris@25 880 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@25 881 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@0 882
Chris@25 883 size_t thisBlockSize =
Chris@25 884 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@0 885
Chris@25 886 // Go for the block size that's furthest from the one
Chris@25 887 // passed in. Most of the time, that's what we want.
Chris@25 888 if (!haveCandidate ||
Chris@25 889 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@25 890 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@25 891 candidate = thisBlockSize;
Chris@25 892 haveCandidate = true;
Chris@0 893 }
Chris@0 894 }
Chris@0 895
Chris@0 896 return candidate;
Chris@0 897 }
Chris@0 898
Chris@0 899 void
Chris@0 900 View::zoom(bool in)
Chris@0 901 {
Chris@0 902 int newZoomLevel = m_zoomLevel;
Chris@0 903
Chris@0 904 if (in) {
Chris@0 905 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 906 ZoomConstraint::RoundDown);
Chris@0 907 } else {
Chris@0 908 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 909 ZoomConstraint::RoundUp);
Chris@0 910 }
Chris@0 911
Chris@0 912 if (newZoomLevel != m_zoomLevel) {
Chris@0 913 setZoomLevel(newZoomLevel);
Chris@0 914 }
Chris@0 915 }
Chris@0 916
Chris@0 917 void
Chris@12 918 View::scroll(bool right, bool lots)
Chris@12 919 {
Chris@12 920 long delta;
Chris@12 921 if (lots) {
Chris@15 922 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 923 } else {
Chris@15 924 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 925 }
Chris@12 926 if (right) delta = -delta;
Chris@12 927
Chris@12 928 if (int(m_centreFrame) < delta) {
Chris@12 929 setCentreFrame(0);
Chris@12 930 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 931 setCentreFrame(getModelsEndFrame());
Chris@12 932 } else {
Chris@12 933 setCentreFrame(m_centreFrame - delta);
Chris@12 934 }
Chris@12 935 }
Chris@12 936
Chris@12 937 void
Chris@0 938 View::checkProgress(void *object)
Chris@0 939 {
Chris@0 940 if (!m_showProgress) return;
Chris@0 941
Chris@0 942 int ph = height();
Chris@0 943
Chris@0 944 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 945 i != m_progressBars.end(); ++i) {
Chris@0 946
Chris@0 947 if (i->first == object) {
Chris@0 948
Chris@0 949 int completion = i->first->getCompletion();
Chris@0 950
Chris@0 951 if (completion >= 100) {
Chris@0 952
Chris@0 953 i->second->hide();
Chris@0 954
Chris@0 955 } else {
Chris@0 956
Chris@0 957 i->second->setText(i->first->getPropertyContainerName());
Chris@0 958 i->second->setValue(completion);
Chris@0 959 i->second->move(0, ph - i->second->height());
Chris@0 960
Chris@0 961 i->second->show();
Chris@0 962 i->second->update();
Chris@0 963
Chris@0 964 ph -= i->second->height();
Chris@0 965 }
Chris@0 966 } else {
Chris@0 967 if (i->second->isVisible()) {
Chris@0 968 ph -= i->second->height();
Chris@0 969 }
Chris@0 970 }
Chris@0 971 }
Chris@0 972 }
Chris@0 973
Chris@0 974 void
Chris@0 975 View::paintEvent(QPaintEvent *e)
Chris@0 976 {
Chris@0 977 // Profiler prof("View::paintEvent", true);
Chris@0 978 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 979
Chris@0 980 if (m_layers.empty()) {
Chris@0 981 QFrame::paintEvent(e);
Chris@0 982 return;
Chris@0 983 }
Chris@0 984
Chris@0 985 // ensure our constraints are met
Chris@0 986 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 987 ZoomConstraint::RoundUp);
Chris@0 988
Chris@0 989 QPainter paint;
Chris@0 990 bool repaintCache = false;
Chris@0 991 bool paintedCacheRect = false;
Chris@0 992
Chris@0 993 QRect cacheRect(rect());
Chris@0 994
Chris@0 995 if (e) {
Chris@0 996 cacheRect &= e->rect();
Chris@0 997 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 998 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 999 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 1000 #endif
Chris@0 1001 }
Chris@0 1002
Chris@0 1003 QRect nonCacheRect(cacheRect);
Chris@0 1004
Chris@0 1005 // If not all layers are scrollable, but some of the back layers
Chris@0 1006 // are, we should store only those in the cache
Chris@0 1007
Chris@0 1008 bool layersChanged = false;
Chris@31 1009 LayerList scrollables = getScrollableBackLayers(true, layersChanged);
Chris@31 1010 LayerList nonScrollables = getNonScrollableFrontLayers(true, layersChanged);
Chris@9 1011 bool selectionCacheable = nonScrollables.empty();
Chris@9 1012 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 1013 bool selectionDrawn = false;
Chris@0 1014
Chris@10 1015 if (!selectionCacheable) {
Chris@10 1016 selectionCacheable = true;
Chris@10 1017 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 1018 i != nonScrollables.end(); ++i) {
Chris@10 1019 if ((*i)->isLayerOpaque()) {
Chris@10 1020 selectionCacheable = false;
Chris@10 1021 break;
Chris@10 1022 }
Chris@10 1023 }
Chris@10 1024 }
Chris@10 1025
Chris@34 1026 if (selectionCacheable) {
Chris@34 1027 QPoint localPos;
Chris@34 1028 bool closeToLeft, closeToRight;
Chris@34 1029 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1030 selectionCacheable = false;
Chris@34 1031 }
Chris@34 1032 }
Chris@34 1033
Chris@0 1034 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1035 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 1036 << " scrollable back layers and " << nonScrollables.size()
Chris@0 1037 << " non-scrollable front layers" << std::endl;
Chris@9 1038 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 1039 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 1040 #endif
Chris@0 1041
Chris@9 1042 if (layersChanged || scrollables.empty() ||
Chris@9 1043 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 1044 delete m_cache;
Chris@0 1045 m_cache = 0;
Chris@9 1046 m_selectionCached = false;
Chris@0 1047 }
Chris@0 1048
Chris@0 1049 if (!scrollables.empty()) {
Chris@0 1050 if (!m_cache ||
Chris@0 1051 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 1052 width() != m_cache->width() ||
Chris@0 1053 height() != m_cache->height()) {
Chris@0 1054
Chris@0 1055 // cache is not valid
Chris@0 1056
Chris@0 1057 if (cacheRect.width() < width()/10) {
Chris@0 1058 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1059 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 1060 #endif
Chris@0 1061 } else {
Chris@0 1062 delete m_cache;
Chris@0 1063 m_cache = new QPixmap(width(), height());
Chris@0 1064 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1065 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 1066 #endif
Chris@0 1067 cacheRect = rect();
Chris@0 1068 repaintCache = true;
Chris@0 1069 }
Chris@0 1070
Chris@0 1071 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 1072
Chris@15 1073 long dx =
Chris@15 1074 getXForFrame(m_cacheCentreFrame) -
Chris@15 1075 getXForFrame(m_centreFrame);
Chris@0 1076
Chris@0 1077 if (dx > -width() && dx < width()) {
Chris@0 1078 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 1079 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 1080 // or Mac (it only works when moving in one direction)
Chris@0 1081 static QPixmap *tmpPixmap = 0;
Chris@0 1082 if (!tmpPixmap ||
Chris@0 1083 tmpPixmap->width() != width() ||
Chris@0 1084 tmpPixmap->height() != height()) {
Chris@0 1085 delete tmpPixmap;
Chris@0 1086 tmpPixmap = new QPixmap(width(), height());
Chris@0 1087 }
Chris@0 1088 paint.begin(tmpPixmap);
Chris@0 1089 paint.drawPixmap(0, 0, *m_cache);
Chris@0 1090 paint.end();
Chris@0 1091 paint.begin(m_cache);
Chris@0 1092 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 1093 paint.end();
Chris@0 1094 #else
Chris@0 1095 // But it seems to be fine on X11
Chris@0 1096 paint.begin(m_cache);
Chris@0 1097 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 1098 paint.end();
Chris@0 1099 #endif
Chris@0 1100
Chris@0 1101 if (dx < 0) {
Chris@0 1102 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 1103 } else {
Chris@0 1104 cacheRect = QRect(0, 0, dx, height());
Chris@0 1105 }
Chris@0 1106 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1107 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 1108 #endif
Chris@0 1109 } else {
Chris@0 1110 cacheRect = rect();
Chris@0 1111 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1112 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 1113 #endif
Chris@0 1114 }
Chris@0 1115 repaintCache = true;
Chris@0 1116
Chris@0 1117 } else {
Chris@0 1118 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1119 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 1120 #endif
Chris@0 1121 paint.begin(this);
Chris@0 1122 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1123 paint.end();
Chris@0 1124 QFrame::paintEvent(e);
Chris@0 1125 paintedCacheRect = true;
Chris@0 1126 }
Chris@0 1127
Chris@0 1128 m_cacheCentreFrame = m_centreFrame;
Chris@0 1129 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1130 }
Chris@0 1131
Chris@0 1132 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1133 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1134 #endif
Chris@0 1135
Chris@0 1136 // Scrollable (cacheable) items first
Chris@0 1137
Chris@0 1138 if (!paintedCacheRect) {
Chris@0 1139
Chris@0 1140 if (repaintCache) paint.begin(m_cache);
Chris@0 1141 else paint.begin(this);
Chris@0 1142
Chris@0 1143 paint.setClipRect(cacheRect);
Chris@0 1144
Chris@0 1145 if (hasLightBackground()) {
Chris@0 1146 paint.setPen(Qt::white);
Chris@0 1147 paint.setBrush(Qt::white);
Chris@0 1148 } else {
Chris@0 1149 paint.setPen(Qt::black);
Chris@0 1150 paint.setBrush(Qt::black);
Chris@0 1151 }
Chris@0 1152 paint.drawRect(cacheRect);
Chris@0 1153
Chris@0 1154 paint.setPen(Qt::black);
Chris@0 1155 paint.setBrush(Qt::NoBrush);
Chris@0 1156
Chris@0 1157 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1158 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1159 paint.save();
Chris@36 1160 (*i)->paint(this, paint, cacheRect);
Chris@8 1161 paint.restore();
Chris@0 1162 }
Chris@9 1163
Chris@9 1164 if (haveSelections && selectionCacheable) {
Chris@9 1165 drawSelections(paint);
Chris@9 1166 m_selectionCached = repaintCache;
Chris@9 1167 selectionDrawn = true;
Chris@9 1168 }
Chris@0 1169
Chris@0 1170 paint.end();
Chris@0 1171
Chris@0 1172 if (repaintCache) {
Chris@0 1173 cacheRect |= (e ? e->rect() : rect());
Chris@0 1174 paint.begin(this);
Chris@0 1175 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1176 paint.end();
Chris@0 1177 }
Chris@0 1178 }
Chris@0 1179
Chris@0 1180 // Now non-cacheable items. We always need to redraw the
Chris@0 1181 // non-cacheable items across at least the area we drew of the
Chris@0 1182 // cacheable items.
Chris@0 1183
Chris@0 1184 nonCacheRect |= cacheRect;
Chris@0 1185
Chris@0 1186 paint.begin(this);
Chris@0 1187 paint.setClipRect(nonCacheRect);
Chris@0 1188
Chris@0 1189 if (scrollables.empty()) {
Chris@0 1190 if (hasLightBackground()) {
Chris@0 1191 paint.setPen(Qt::white);
Chris@0 1192 paint.setBrush(Qt::white);
Chris@0 1193 } else {
Chris@0 1194 paint.setPen(Qt::black);
Chris@0 1195 paint.setBrush(Qt::black);
Chris@0 1196 }
Chris@0 1197 paint.drawRect(nonCacheRect);
Chris@0 1198 }
Chris@0 1199
Chris@0 1200 paint.setPen(Qt::black);
Chris@0 1201 paint.setBrush(Qt::NoBrush);
Chris@0 1202
Chris@0 1203 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@36 1204 (*i)->paint(this, paint, nonCacheRect);
Chris@0 1205 }
Chris@0 1206
Chris@9 1207 paint.end();
Chris@8 1208
Chris@9 1209 paint.begin(this);
Chris@9 1210 if (e) paint.setClipRect(e->rect());
Chris@9 1211 if (!m_selectionCached) {
Chris@9 1212 drawSelections(paint);
Chris@8 1213 }
Chris@0 1214 paint.end();
Chris@0 1215
Chris@0 1216 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1217
Chris@0 1218 paint.begin(this);
Chris@0 1219
Chris@0 1220 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1221 m_playPointerFrame < getEndFrame()) {
Chris@0 1222
Chris@15 1223 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1224
Chris@0 1225 paint.setPen(Qt::black);
Chris@0 1226 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1227 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1228 paint.drawPoint(playx, 0);
Chris@0 1229 paint.drawPoint(playx, height() - 1);
Chris@0 1230 paint.setPen(Qt::white);
Chris@0 1231 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1232 }
Chris@0 1233
Chris@0 1234 paint.end();
Chris@0 1235 }
Chris@0 1236
Chris@0 1237 QFrame::paintEvent(e);
Chris@0 1238 }
Chris@0 1239
Chris@9 1240 void
Chris@9 1241 View::drawSelections(QPainter &paint)
Chris@9 1242 {
Chris@24 1243 MultiSelection::SelectionList selections;
Chris@9 1244
Chris@9 1245 if (m_manager) {
Chris@9 1246 selections = m_manager->getSelections();
Chris@9 1247 if (m_manager->haveInProgressSelection()) {
Chris@9 1248 bool exclusive;
Chris@9 1249 Selection inProgressSelection =
Chris@9 1250 m_manager->getInProgressSelection(exclusive);
Chris@9 1251 if (exclusive) selections.clear();
Chris@9 1252 selections.insert(inProgressSelection);
Chris@9 1253 }
Chris@9 1254 }
Chris@9 1255
Chris@9 1256 paint.save();
Chris@9 1257 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1258
Chris@10 1259 int sampleRate = getModelsSampleRate();
Chris@10 1260
Chris@34 1261 QPoint localPos;
Chris@34 1262 long illuminateFrame = -1;
Chris@34 1263 bool closeToLeft, closeToRight;
Chris@34 1264
Chris@34 1265 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1266 illuminateFrame = getFrameForX(localPos.x());
Chris@34 1267 }
Chris@34 1268
Chris@10 1269 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1270
Chris@24 1271 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@9 1272 i != selections.end(); ++i) {
Chris@9 1273
Chris@15 1274 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1275 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1276
Chris@10 1277 if (p1 < 0 || p0 > width()) continue;
Chris@9 1278
Chris@9 1279 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1280 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1281 #endif
Chris@9 1282
Chris@34 1283 bool illuminateThis =
Chris@34 1284 (illuminateFrame >= 0 && i->contains(illuminateFrame));
Chris@34 1285
Chris@34 1286 paint.setPen(QColor(150, 150, 255));
Chris@9 1287 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1288
Chris@34 1289 if (illuminateThis) {
Chris@34 1290 paint.save();
Chris@34 1291 if (hasLightBackground()) {
Chris@34 1292 paint.setPen(QPen(Qt::black, 2));
Chris@34 1293 } else {
Chris@34 1294 paint.setPen(QPen(Qt::white, 2));
Chris@34 1295 }
Chris@34 1296 if (closeToLeft) {
Chris@34 1297 paint.drawLine(p0, 1, p1, 1);
Chris@34 1298 paint.drawLine(p0, 0, p0, height());
Chris@34 1299 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1300 } else if (closeToRight) {
Chris@34 1301 paint.drawLine(p0, 1, p1, 1);
Chris@34 1302 paint.drawLine(p1, 0, p1, height());
Chris@34 1303 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1304 } else {
Chris@34 1305 paint.setBrush(Qt::NoBrush);
Chris@34 1306 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@34 1307 }
Chris@34 1308 paint.restore();
Chris@34 1309 }
Chris@34 1310
Chris@10 1311 if (sampleRate && shouldLabelSelections()) {
Chris@10 1312
Chris@10 1313 QString startText = QString("%1 / %2")
Chris@10 1314 .arg(QString::fromStdString
Chris@10 1315 (RealTime::frame2RealTime
Chris@10 1316 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1317 .arg(i->getStartFrame());
Chris@10 1318
Chris@10 1319 QString endText = QString(" %1 / %2")
Chris@10 1320 .arg(QString::fromStdString
Chris@10 1321 (RealTime::frame2RealTime
Chris@10 1322 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1323 .arg(i->getEndFrame());
Chris@10 1324
Chris@10 1325 QString durationText = QString("(%1 / %2) ")
Chris@10 1326 .arg(QString::fromStdString
Chris@10 1327 (RealTime::frame2RealTime
Chris@10 1328 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1329 .toText(true)))
Chris@10 1330 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1331
Chris@10 1332 int sw = metrics.width(startText),
Chris@10 1333 ew = metrics.width(endText),
Chris@10 1334 dw = metrics.width(durationText);
Chris@10 1335
Chris@10 1336 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1337 int ey = sy;
Chris@10 1338 int dy = sy + metrics.height();
Chris@10 1339
Chris@10 1340 int sx = p0 + 2;
Chris@10 1341 int ex = sx;
Chris@10 1342 int dx = sx;
Chris@10 1343
Chris@10 1344 if (sw + ew > (p1 - p0)) {
Chris@10 1345 ey += metrics.height();
Chris@10 1346 dy += metrics.height();
Chris@10 1347 }
Chris@10 1348
Chris@10 1349 if (ew < (p1 - p0)) {
Chris@10 1350 ex = p1 - 2 - ew;
Chris@10 1351 }
Chris@10 1352
Chris@10 1353 if (dw < (p1 - p0)) {
Chris@10 1354 dx = p1 - 2 - dw;
Chris@10 1355 }
Chris@10 1356
Chris@10 1357 paint.drawText(sx, sy, startText);
Chris@10 1358 paint.drawText(ex, ey, endText);
Chris@10 1359 paint.drawText(dx, dy, durationText);
Chris@10 1360 }
Chris@9 1361 }
Chris@9 1362
Chris@9 1363 paint.restore();
Chris@9 1364 }
Chris@9 1365
Chris@3 1366 QString
Chris@3 1367 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1368 {
Chris@3 1369 QString s;
Chris@3 1370
Chris@3 1371 s += indent;
Chris@3 1372
Chris@3 1373 s += QString("<view "
Chris@3 1374 "centre=\"%1\" "
Chris@3 1375 "zoom=\"%2\" "
Chris@3 1376 "followPan=\"%3\" "
Chris@3 1377 "followZoom=\"%4\" "
Chris@3 1378 "tracking=\"%5\" "
Chris@3 1379 "light=\"%6\" %7>\n")
Chris@3 1380 .arg(m_centreFrame)
Chris@3 1381 .arg(m_zoomLevel)
Chris@3 1382 .arg(m_followPan)
Chris@3 1383 .arg(m_followZoom)
Chris@3 1384 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1385 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1386 .arg(m_lightBackground)
Chris@3 1387 .arg(extraAttributes);
Chris@3 1388
Chris@3 1389 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1390 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1391 }
Chris@3 1392
Chris@4 1393 s += indent + "</view>\n";
Chris@3 1394
Chris@3 1395 return s;
Chris@3 1396 }
Chris@3 1397
Chris@29 1398 ViewPropertyContainer::ViewPropertyContainer(View *v) :
Chris@29 1399 m_v(v)
Chris@29 1400 {
Chris@29 1401 connect(m_v, SIGNAL(propertyChanged(PropertyName)),
Chris@29 1402 this, SIGNAL(propertyChanged(PropertyName)));
Chris@29 1403 }
Chris@3 1404
Chris@0 1405 #ifdef INCLUDE_MOCFILES
Chris@0 1406 #include "View.moc.cpp"
Chris@0 1407 #endif
Chris@0 1408