annotate base/View.cpp @ 22:a1a6acb7cd37

* Some fixes to waveform layer greyscaling * Tidying in panner class
author Chris Cannam
date Fri, 03 Feb 2006 17:30:47 +0000
parents 5da86cc182bd
children bb9291d84810
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@0 17
Chris@0 18 #include <QPainter>
Chris@0 19 #include <QPaintEvent>
Chris@0 20 #include <QRect>
Chris@0 21 #include <QApplication>
Chris@0 22
Chris@0 23 #include <iostream>
Chris@16 24 #include <cassert>
Chris@0 25
Chris@18 26 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@0 27
Chris@0 28 using std::cerr;
Chris@0 29 using std::endl;
Chris@0 30
Chris@0 31 View::View(QWidget *w, bool showProgress) :
Chris@0 32 QFrame(w),
Chris@0 33 m_centreFrame(0),
Chris@0 34 m_zoomLevel(1024),
Chris@0 35 m_followPan(true),
Chris@0 36 m_followZoom(true),
Chris@0 37 m_followPlay(PlaybackScrollPage),
Chris@0 38 m_lightBackground(true),
Chris@0 39 m_showProgress(showProgress),
Chris@0 40 m_cache(0),
Chris@0 41 m_cacheCentreFrame(0),
Chris@0 42 m_cacheZoomLevel(1024),
Chris@9 43 m_selectionCached(false),
Chris@0 44 m_deleting(false),
Chris@8 45 m_haveSelectedLayer(false),
Chris@0 46 m_manager(0)
Chris@0 47 {
Chris@0 48 // QWidget::setAttribute(Qt::WA_PaintOnScreen);
Chris@0 49 }
Chris@0 50
Chris@0 51 View::~View()
Chris@0 52 {
Chris@0 53 m_deleting = true;
Chris@0 54
Chris@0 55 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 56 delete *i;
Chris@0 57 }
Chris@0 58 }
Chris@0 59
Chris@0 60 PropertyContainer::PropertyList
Chris@0 61 View::getProperties() const
Chris@0 62 {
Chris@0 63 PropertyList list;
Chris@0 64 list.push_back(tr("Global Scroll"));
Chris@0 65 list.push_back(tr("Global Zoom"));
Chris@0 66 list.push_back(tr("Follow Playback"));
Chris@0 67 return list;
Chris@0 68 }
Chris@0 69
Chris@0 70 PropertyContainer::PropertyType
Chris@0 71 View::getPropertyType(const PropertyName &name) const
Chris@0 72 {
Chris@0 73 if (name == tr("Global Scroll")) return ToggleProperty;
Chris@0 74 if (name == tr("Global Zoom")) return ToggleProperty;
Chris@0 75 if (name == tr("Follow Playback")) return ValueProperty;
Chris@0 76 return InvalidProperty;
Chris@0 77 }
Chris@0 78
Chris@0 79 int
Chris@0 80 View::getPropertyRangeAndValue(const PropertyName &name,
Chris@0 81 int *min, int *max) const
Chris@0 82 {
Chris@0 83 if (name == tr("Global Scroll")) return m_followPan;
Chris@0 84 if (name == tr("Global Zoom")) return m_followZoom;
Chris@0 85 if (name == tr("Follow Playback")) { *min = 0; *max = 2; return int(m_followPlay); }
Chris@0 86 return PropertyContainer::getPropertyRangeAndValue(name, min, max);
Chris@0 87 }
Chris@0 88
Chris@0 89 QString
Chris@0 90 View::getPropertyValueLabel(const PropertyName &name,
Chris@0 91 int value) const
Chris@0 92 {
Chris@0 93 if (name == tr("Follow Playback")) {
Chris@0 94 switch (value) {
Chris@0 95 default:
Chris@0 96 case 0: return tr("Scroll");
Chris@0 97 case 1: return tr("Page");
Chris@0 98 case 2: return tr("Off");
Chris@0 99 }
Chris@0 100 }
Chris@0 101 return tr("<unknown>");
Chris@0 102 }
Chris@0 103
Chris@0 104 void
Chris@0 105 View::setProperty(const PropertyName &name, int value)
Chris@0 106 {
Chris@0 107 if (name == tr("Global Scroll")) {
Chris@0 108 setFollowGlobalPan(value != 0);
Chris@0 109 } else if (name == tr("Global Zoom")) {
Chris@0 110 setFollowGlobalZoom(value != 0);
Chris@0 111 } else if (name == tr("Follow Playback")) {
Chris@0 112 switch (value) {
Chris@0 113 default:
Chris@0 114 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@0 115 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@0 116 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@0 117 }
Chris@0 118 }
Chris@0 119 }
Chris@0 120
Chris@0 121 size_t
Chris@0 122 View::getPropertyContainerCount() const
Chris@0 123 {
Chris@0 124 return m_layers.size() + 1; // the 1 is for me
Chris@0 125 }
Chris@0 126
Chris@0 127 const PropertyContainer *
Chris@0 128 View::getPropertyContainer(size_t i) const
Chris@0 129 {
Chris@0 130 return (const PropertyContainer *)(((View *)this)->
Chris@0 131 getPropertyContainer(i));
Chris@0 132 }
Chris@0 133
Chris@0 134 PropertyContainer *
Chris@0 135 View::getPropertyContainer(size_t i)
Chris@0 136 {
Chris@0 137 if (i == 0) return this;
Chris@0 138 return m_layers[i-1];
Chris@0 139 }
Chris@0 140
Chris@0 141 void
Chris@0 142 View::propertyContainerSelected(PropertyContainer *pc)
Chris@0 143 {
Chris@8 144 if (pc == this) {
Chris@8 145 if (m_haveSelectedLayer) {
Chris@8 146 m_haveSelectedLayer = false;
Chris@8 147 update();
Chris@8 148 }
Chris@8 149 return;
Chris@8 150 }
Chris@0 151
Chris@0 152 delete m_cache;
Chris@0 153 m_cache = 0;
Chris@0 154
Chris@0 155 Layer *selectedLayer = 0;
Chris@0 156
Chris@0 157 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 158 if (*i == pc) {
Chris@0 159 selectedLayer = *i;
Chris@0 160 m_layers.erase(i);
Chris@0 161 break;
Chris@0 162 }
Chris@0 163 }
Chris@0 164
Chris@0 165 if (selectedLayer) {
Chris@8 166 m_haveSelectedLayer = true;
Chris@0 167 m_layers.push_back(selectedLayer);
Chris@0 168 update();
Chris@8 169 } else {
Chris@8 170 m_haveSelectedLayer = false;
Chris@0 171 }
Chris@0 172 }
Chris@0 173
Chris@8 174 void
Chris@8 175 View::toolModeChanged()
Chris@8 176 {
Chris@8 177 std::cerr << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << std::endl;
Chris@8 178 }
Chris@8 179
Chris@0 180 long
Chris@0 181 View::getStartFrame() const
Chris@0 182 {
Chris@0 183 size_t w2 = (width() / 2) * m_zoomLevel;
Chris@0 184 size_t frame = m_centreFrame;
Chris@0 185 if (frame >= w2) {
Chris@0 186 frame -= w2;
Chris@0 187 return (frame / m_zoomLevel * m_zoomLevel);
Chris@0 188 } else {
Chris@0 189 frame = w2 - frame;
Chris@0 190 frame = frame / m_zoomLevel * m_zoomLevel;
Chris@0 191 return -(long)frame - m_zoomLevel;
Chris@0 192 }
Chris@0 193 }
Chris@0 194
Chris@0 195 size_t
Chris@0 196 View::getEndFrame() const
Chris@0 197 {
Chris@16 198 return getFrameForX(width()) - 1;
Chris@0 199 }
Chris@0 200
Chris@0 201 void
Chris@0 202 View::setStartFrame(long f)
Chris@0 203 {
Chris@0 204 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@0 205 }
Chris@0 206
Chris@10 207 bool
Chris@0 208 View::setCentreFrame(size_t f, bool e)
Chris@0 209 {
Chris@10 210 bool changeVisible = false;
Chris@10 211
Chris@0 212 if (m_centreFrame != f) {
Chris@0 213
Chris@0 214 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@0 215
Chris@0 216 m_centreFrame = f;
Chris@0 217
Chris@0 218 int newPixel = m_centreFrame / m_zoomLevel;
Chris@0 219
Chris@0 220 if (newPixel != formerPixel) {
Chris@0 221
Chris@0 222 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 223 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@0 224 #endif
Chris@0 225 update();
Chris@10 226
Chris@10 227 changeVisible = true;
Chris@0 228 }
Chris@0 229
Chris@0 230 if (e) emit centreFrameChanged(this, f, m_followPan);
Chris@0 231 }
Chris@10 232
Chris@10 233 return changeVisible;
Chris@0 234 }
Chris@0 235
Chris@15 236 int
Chris@15 237 View::getXForFrame(long frame) const
Chris@15 238 {
Chris@15 239 return (frame - getStartFrame()) / m_zoomLevel;
Chris@15 240 }
Chris@15 241
Chris@15 242 long
Chris@15 243 View::getFrameForX(int x) const
Chris@15 244 {
Chris@15 245 return (long(x) * long(m_zoomLevel)) + getStartFrame();
Chris@15 246 }
Chris@15 247
Chris@22 248 int
Chris@22 249 View::getZoomLevel() const
Chris@22 250 {
Chris@22 251 return m_zoomLevel;
Chris@22 252 }
Chris@22 253
Chris@0 254 void
Chris@0 255 View::setZoomLevel(size_t z)
Chris@0 256 {
Chris@0 257 if (m_zoomLevel != int(z)) {
Chris@0 258 m_zoomLevel = z;
Chris@0 259 emit zoomLevelChanged(this, z, m_followZoom);
Chris@0 260 update();
Chris@0 261 }
Chris@0 262 }
Chris@0 263
Chris@16 264 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@16 265 QProgressBar(parent)
Chris@16 266 {
Chris@16 267 QFont f(font());
Chris@16 268 f.setPointSize(f.pointSize() * 8 / 10);
Chris@16 269 setFont(f);
Chris@16 270 }
Chris@16 271
Chris@0 272 void
Chris@0 273 View::addLayer(Layer *layer)
Chris@0 274 {
Chris@0 275 delete m_cache;
Chris@0 276 m_cache = 0;
Chris@0 277
Chris@0 278 m_layers.push_back(layer);
Chris@0 279
Chris@0 280 m_progressBars[layer] = new LayerProgressBar(this);
Chris@0 281 m_progressBars[layer]->setMinimum(0);
Chris@0 282 m_progressBars[layer]->setMaximum(100);
Chris@0 283 m_progressBars[layer]->setMinimumWidth(80);
Chris@0 284 m_progressBars[layer]->hide();
Chris@16 285
Chris@0 286 connect(layer, SIGNAL(layerParametersChanged()),
Chris@0 287 this, SLOT(layerParametersChanged()));
Chris@0 288 connect(layer, SIGNAL(layerNameChanged()),
Chris@0 289 this, SLOT(layerNameChanged()));
Chris@0 290 connect(layer, SIGNAL(modelChanged()),
Chris@0 291 this, SLOT(modelChanged()));
Chris@0 292 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@0 293 this, SLOT(modelCompletionChanged()));
Chris@0 294 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@0 295 this, SLOT(modelChanged(size_t, size_t)));
Chris@0 296 connect(layer, SIGNAL(modelReplaced()),
Chris@0 297 this, SLOT(modelReplaced()));
Chris@0 298
Chris@0 299 update();
Chris@0 300
Chris@0 301 emit propertyContainerAdded(layer);
Chris@0 302 }
Chris@0 303
Chris@0 304 void
Chris@0 305 View::removeLayer(Layer *layer)
Chris@0 306 {
Chris@0 307 if (m_deleting) {
Chris@0 308 return;
Chris@0 309 }
Chris@0 310
Chris@0 311 delete m_cache;
Chris@0 312 m_cache = 0;
Chris@0 313
Chris@0 314 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 315 if (*i == layer) {
Chris@0 316 m_layers.erase(i);
Chris@0 317 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@0 318 delete m_progressBars[layer];
Chris@0 319 m_progressBars.erase(layer);
Chris@0 320 }
Chris@0 321 break;
Chris@0 322 }
Chris@0 323 }
Chris@0 324
Chris@0 325 update();
Chris@0 326
Chris@0 327 emit propertyContainerRemoved(layer);
Chris@0 328 }
Chris@0 329
Chris@8 330 Layer *
Chris@8 331 View::getSelectedLayer()
Chris@8 332 {
Chris@8 333 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@8 334 return getLayer(getLayerCount() - 1);
Chris@8 335 } else {
Chris@8 336 return 0;
Chris@8 337 }
Chris@8 338 }
Chris@8 339
Chris@0 340 void
Chris@0 341 View::setViewManager(ViewManager *manager)
Chris@0 342 {
Chris@0 343 if (m_manager) {
Chris@0 344 m_manager->disconnect(this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 345 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@0 346 disconnect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 347 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 348 disconnect(m_manager, SIGNAL(toolModeChanged()));
Chris@8 349 disconnect(m_manager, SIGNAL(selectionChanged()));
Chris@9 350 disconnect(m_manager, SIGNAL(inProgressSelectionChanged()));
Chris@0 351 }
Chris@0 352
Chris@0 353 m_manager = manager;
Chris@0 354 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@0 355 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@0 356
Chris@0 357 connect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 358 this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 359 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@0 360 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@0 361 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 362 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@8 363 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@8 364 this, SLOT(toolModeChanged()));
Chris@8 365 connect(m_manager, SIGNAL(selectionChanged()),
Chris@9 366 this, SLOT(selectionChanged()));
Chris@9 367 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@9 368 this, SLOT(selectionChanged()));
Chris@0 369
Chris@0 370 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 371 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 372 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 373 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 374
Chris@8 375 toolModeChanged();
Chris@0 376 }
Chris@0 377
Chris@0 378 void
Chris@0 379 View::setFollowGlobalPan(bool f)
Chris@0 380 {
Chris@0 381 m_followPan = f;
Chris@0 382 emit propertyContainerPropertyChanged(this);
Chris@0 383 }
Chris@0 384
Chris@0 385 void
Chris@0 386 View::setFollowGlobalZoom(bool f)
Chris@0 387 {
Chris@0 388 m_followZoom = f;
Chris@0 389 emit propertyContainerPropertyChanged(this);
Chris@0 390 }
Chris@0 391
Chris@0 392 void
Chris@0 393 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 394 {
Chris@0 395 m_followPlay = m;
Chris@0 396 emit propertyContainerPropertyChanged(this);
Chris@0 397 }
Chris@0 398
Chris@0 399 void
Chris@0 400 View::modelChanged()
Chris@0 401 {
Chris@0 402 QObject *obj = sender();
Chris@0 403
Chris@0 404 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 405 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 406 #endif
Chris@0 407 delete m_cache;
Chris@0 408 m_cache = 0;
Chris@0 409
Chris@0 410 checkProgress(obj);
Chris@0 411
Chris@0 412 update();
Chris@0 413 }
Chris@0 414
Chris@0 415 void
Chris@0 416 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 417 {
Chris@0 418 QObject *obj = sender();
Chris@0 419
Chris@0 420 long myStartFrame = getStartFrame();
Chris@0 421 size_t myEndFrame = getEndFrame();
Chris@0 422
Chris@1 423 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 424 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 425 #endif
Chris@1 426
Chris@0 427 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 428 checkProgress(obj);
Chris@0 429 return;
Chris@0 430 }
Chris@0 431 if (startFrame > myEndFrame) {
Chris@0 432 checkProgress(obj);
Chris@0 433 return;
Chris@0 434 }
Chris@0 435
Chris@0 436 delete m_cache;
Chris@0 437 m_cache = 0;
Chris@0 438
Chris@0 439 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 440 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 441
Chris@15 442 int x0 = getXForFrame(startFrame);
Chris@15 443 int x1 = getXForFrame(endFrame + 1);
Chris@15 444 if (x1 < x0) x1 = x0;
Chris@0 445
Chris@0 446 checkProgress(obj);
Chris@0 447
Chris@0 448 update(x0, 0, x1 - x0 + 1, height());
Chris@0 449 }
Chris@0 450
Chris@0 451 void
Chris@0 452 View::modelCompletionChanged()
Chris@0 453 {
Chris@0 454 QObject *obj = sender();
Chris@0 455 checkProgress(obj);
Chris@0 456 }
Chris@0 457
Chris@0 458 void
Chris@0 459 View::modelReplaced()
Chris@0 460 {
Chris@0 461 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 462 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 463 #endif
Chris@1 464 delete m_cache;
Chris@1 465 m_cache = 0;
Chris@1 466
Chris@0 467 update();
Chris@0 468 }
Chris@0 469
Chris@0 470 void
Chris@0 471 View::layerParametersChanged()
Chris@0 472 {
Chris@0 473 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 474
Chris@0 475 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 476 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 477 #endif
Chris@0 478
Chris@0 479 delete m_cache;
Chris@0 480 m_cache = 0;
Chris@0 481 update();
Chris@0 482
Chris@0 483 if (layer) {
Chris@0 484 emit propertyContainerPropertyChanged(layer);
Chris@0 485 }
Chris@0 486 }
Chris@0 487
Chris@0 488 void
Chris@0 489 View::layerNameChanged()
Chris@0 490 {
Chris@0 491 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 492 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 493 }
Chris@0 494
Chris@0 495 void
Chris@0 496 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 497 {
Chris@0 498 if (m_followPan && p != this && locked) {
Chris@0 499 if (m_manager && (sender() == m_manager)) {
Chris@0 500 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 501 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 502 #endif
Chris@0 503 setCentreFrame(f);
Chris@0 504 if (p == this) repaint();
Chris@0 505 }
Chris@0 506 }
Chris@0 507 }
Chris@0 508
Chris@0 509 void
Chris@0 510 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 511 {
Chris@0 512 if (m_manager) {
Chris@0 513 if (sender() != m_manager) return;
Chris@0 514 }
Chris@0 515
Chris@0 516 if (m_playPointerFrame == f) return;
Chris@15 517 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 518 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 519 m_playPointerFrame = f;
Chris@0 520 if (!visible) return;
Chris@0 521
Chris@21 522 bool modifierPressed = // we only care about these ones
Chris@21 523 ((QApplication::keyboardModifiers() & Qt::ShiftModifier) ||
Chris@21 524 (QApplication::keyboardModifiers() & Qt::ControlModifier));
Chris@20 525
Chris@0 526 switch (m_followPlay) {
Chris@0 527
Chris@0 528 case PlaybackScrollContinuous:
Chris@10 529 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 530 !modifierPressed) {
Chris@0 531 setCentreFrame(f, false);
Chris@0 532 }
Chris@0 533 break;
Chris@0 534
Chris@0 535 case PlaybackScrollPage:
Chris@0 536 {
Chris@15 537 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 538 repaint(xold - 1, 0, 3, height());
Chris@10 539
Chris@15 540 long w = getEndFrame() - getStartFrame();
Chris@0 541 w -= w/5;
Chris@0 542 long sf = (f / w) * w - w/8;
Chris@10 543
Chris@10 544 if (m_manager &&
Chris@10 545 m_manager->isPlaying() &&
Chris@10 546 m_manager->getPlaySelectionMode()) {
Chris@10 547 ViewManager::SelectionList selections = m_manager->getSelections();
Chris@10 548 if (!selections.empty()) {
Chris@10 549 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 550 if (sf < long(selectionStart) - w / 10) {
Chris@10 551 sf = long(selectionStart) - w / 10;
Chris@10 552 }
Chris@10 553 }
Chris@10 554 }
Chris@10 555
Chris@0 556 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 557 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 558 << getStartFrame() << std::endl;
Chris@0 559 #endif
Chris@10 560
Chris@15 561 // We don't consider scrolling unless the pointer is outside
Chris@15 562 // the clearly visible range already
Chris@15 563
Chris@15 564 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 565
Chris@18 566 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 567 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 568 #endif
Chris@18 569
Chris@15 570 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 571 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 572 !modifierPressed) {
Chris@15 573 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 574 long newCentre = sf + offset;
Chris@15 575 bool changed = setCentreFrame(newCentre, false);
Chris@15 576 if (changed) {
Chris@15 577 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 578 update(xold - 1, 0, 3, height());
Chris@15 579 }
Chris@10 580 }
Chris@10 581 }
Chris@10 582
Chris@0 583 update(xnew - 1, 0, 3, height());
Chris@10 584
Chris@0 585 break;
Chris@0 586 }
Chris@0 587
Chris@0 588 case PlaybackIgnore:
Chris@0 589 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 590 update();
Chris@0 591 }
Chris@0 592 break;
Chris@0 593 }
Chris@0 594 }
Chris@0 595
Chris@0 596 void
Chris@0 597 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 598 {
Chris@0 599 if (m_followZoom && p != this && locked) {
Chris@0 600 if (m_manager && (sender() == m_manager)) {
Chris@0 601 setZoomLevel(z);
Chris@0 602 if (p == this) repaint();
Chris@0 603 }
Chris@0 604 }
Chris@0 605 }
Chris@0 606
Chris@9 607 void
Chris@9 608 View::selectionChanged()
Chris@9 609 {
Chris@9 610 if (m_selectionCached) {
Chris@9 611 delete m_cache;
Chris@9 612 m_cache = 0;
Chris@9 613 m_selectionCached = false;
Chris@9 614 }
Chris@9 615 update();
Chris@9 616 }
Chris@9 617
Chris@0 618 size_t
Chris@0 619 View::getModelsStartFrame() const
Chris@0 620 {
Chris@0 621 bool first = true;
Chris@0 622 size_t startFrame = 0;
Chris@0 623
Chris@0 624 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 625
Chris@0 626 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 627
Chris@0 628 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 629
Chris@0 630 if (first || thisStartFrame < startFrame) {
Chris@0 631 startFrame = thisStartFrame;
Chris@0 632 }
Chris@0 633 first = false;
Chris@0 634 }
Chris@0 635 }
Chris@0 636 return startFrame;
Chris@0 637 }
Chris@0 638
Chris@0 639 size_t
Chris@0 640 View::getModelsEndFrame() const
Chris@0 641 {
Chris@0 642 bool first = true;
Chris@0 643 size_t endFrame = 0;
Chris@0 644
Chris@0 645 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 646
Chris@0 647 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 648
Chris@0 649 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 650
Chris@0 651 if (first || thisEndFrame > endFrame) {
Chris@0 652 endFrame = thisEndFrame;
Chris@0 653 }
Chris@0 654 first = false;
Chris@0 655 }
Chris@0 656 }
Chris@0 657
Chris@0 658 if (first) return getModelsStartFrame();
Chris@0 659 return endFrame;
Chris@0 660 }
Chris@0 661
Chris@0 662 int
Chris@0 663 View::getModelsSampleRate() const
Chris@0 664 {
Chris@0 665 //!!! Just go for the first, for now. If we were supporting
Chris@0 666 // multiple samplerates, we'd probably want to do frame/time
Chris@0 667 // conversion in the model
Chris@0 668
Chris@0 669 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 670 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 671 return (*i)->getModel()->getSampleRate();
Chris@0 672 }
Chris@0 673 }
Chris@0 674 return 0;
Chris@0 675 }
Chris@0 676
Chris@0 677 bool
Chris@0 678 View::areLayersScrollable() const
Chris@0 679 {
Chris@0 680 // True iff all views are scrollable
Chris@0 681 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 682 if (!(*i)->isLayerScrollable()) return false;
Chris@0 683 }
Chris@0 684 return true;
Chris@0 685 }
Chris@0 686
Chris@0 687 View::LayerList
Chris@0 688 View::getScrollableBackLayers(bool &changed) const
Chris@0 689 {
Chris@0 690 changed = false;
Chris@0 691
Chris@0 692 LayerList scrollables;
Chris@0 693 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 694 if ((*i)->isLayerScrollable()) scrollables.push_back(*i);
Chris@0 695 else {
Chris@0 696 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 697 m_lastScrollableBackLayers = scrollables;
Chris@0 698 changed = true;
Chris@0 699 }
Chris@0 700 return scrollables;
Chris@0 701 }
Chris@0 702 }
Chris@0 703
Chris@0 704 if (scrollables.size() == 1 &&
Chris@0 705 dynamic_cast<TimeRulerLayer *>(*scrollables.begin())) {
Chris@0 706
Chris@0 707 // If only the ruler is scrollable, it's not worth the bother
Chris@0 708 // -- it probably redraws as quickly as it refreshes from
Chris@0 709 // cache
Chris@0 710 scrollables.clear();
Chris@0 711 }
Chris@0 712
Chris@0 713 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 714 m_lastScrollableBackLayers = scrollables;
Chris@0 715 changed = true;
Chris@0 716 }
Chris@0 717 return scrollables;
Chris@0 718 }
Chris@0 719
Chris@0 720 View::LayerList
Chris@0 721 View::getNonScrollableFrontLayers(bool &changed) const
Chris@0 722 {
Chris@0 723 changed = false;
Chris@0 724 LayerList scrollables = getScrollableBackLayers(changed);
Chris@0 725 LayerList nonScrollables;
Chris@0 726
Chris@0 727 // Everything in front of the first non-scrollable from the back
Chris@0 728 // should also be considered non-scrollable
Chris@0 729
Chris@0 730 size_t count = 0;
Chris@0 731 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 732 if (count < scrollables.size()) {
Chris@0 733 ++count;
Chris@0 734 continue;
Chris@0 735 }
Chris@0 736 nonScrollables.push_back(*i);
Chris@0 737 }
Chris@0 738
Chris@0 739 if (nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 740 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 741 changed = true;
Chris@0 742 }
Chris@0 743
Chris@0 744 return nonScrollables;
Chris@0 745 }
Chris@0 746
Chris@0 747 size_t
Chris@0 748 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 749 ZoomConstraint::RoundingDirection dir)
Chris@0 750 const
Chris@0 751 {
Chris@0 752 size_t candidate = blockSize;
Chris@0 753 bool haveCandidate = false;
Chris@0 754
Chris@0 755 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 756
Chris@0 757 if ((*i)->getZoomConstraint()) {
Chris@0 758
Chris@0 759 size_t thisBlockSize =
Chris@0 760 (*i)->getZoomConstraint()->getNearestBlockSize
Chris@0 761 (blockSize, dir);
Chris@0 762
Chris@0 763 // Go for the block size that's furthest from the one
Chris@0 764 // passed in. Most of the time, that's what we want.
Chris@0 765 if (!haveCandidate ||
Chris@0 766 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@0 767 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@0 768 candidate = thisBlockSize;
Chris@0 769 haveCandidate = true;
Chris@0 770 }
Chris@0 771 }
Chris@0 772 }
Chris@0 773
Chris@0 774 return candidate;
Chris@0 775 }
Chris@0 776
Chris@0 777 void
Chris@0 778 View::zoom(bool in)
Chris@0 779 {
Chris@0 780 int newZoomLevel = m_zoomLevel;
Chris@0 781
Chris@0 782 if (in) {
Chris@0 783 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 784 ZoomConstraint::RoundDown);
Chris@0 785 } else {
Chris@0 786 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 787 ZoomConstraint::RoundUp);
Chris@0 788 }
Chris@0 789
Chris@0 790 if (newZoomLevel != m_zoomLevel) {
Chris@0 791 setZoomLevel(newZoomLevel);
Chris@0 792 }
Chris@0 793 }
Chris@0 794
Chris@0 795 void
Chris@12 796 View::scroll(bool right, bool lots)
Chris@12 797 {
Chris@12 798 long delta;
Chris@12 799 if (lots) {
Chris@15 800 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 801 } else {
Chris@15 802 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 803 }
Chris@12 804 if (right) delta = -delta;
Chris@12 805
Chris@12 806 if (int(m_centreFrame) < delta) {
Chris@12 807 setCentreFrame(0);
Chris@12 808 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 809 setCentreFrame(getModelsEndFrame());
Chris@12 810 } else {
Chris@12 811 setCentreFrame(m_centreFrame - delta);
Chris@12 812 }
Chris@12 813 }
Chris@12 814
Chris@12 815 void
Chris@0 816 View::checkProgress(void *object)
Chris@0 817 {
Chris@0 818 if (!m_showProgress) return;
Chris@0 819
Chris@0 820 int ph = height();
Chris@0 821
Chris@0 822 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 823 i != m_progressBars.end(); ++i) {
Chris@0 824
Chris@0 825 if (i->first == object) {
Chris@0 826
Chris@0 827 int completion = i->first->getCompletion();
Chris@0 828
Chris@0 829 if (completion >= 100) {
Chris@0 830
Chris@0 831 i->second->hide();
Chris@0 832
Chris@0 833 } else {
Chris@0 834
Chris@0 835 i->second->setText(i->first->getPropertyContainerName());
Chris@0 836 i->second->setValue(completion);
Chris@0 837 i->second->move(0, ph - i->second->height());
Chris@0 838
Chris@0 839 i->second->show();
Chris@0 840 i->second->update();
Chris@0 841
Chris@0 842 ph -= i->second->height();
Chris@0 843 }
Chris@0 844 } else {
Chris@0 845 if (i->second->isVisible()) {
Chris@0 846 ph -= i->second->height();
Chris@0 847 }
Chris@0 848 }
Chris@0 849 }
Chris@0 850 }
Chris@0 851
Chris@0 852 void
Chris@0 853 View::paintEvent(QPaintEvent *e)
Chris@0 854 {
Chris@0 855 // Profiler prof("View::paintEvent", true);
Chris@0 856 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 857
Chris@0 858 if (m_layers.empty()) {
Chris@0 859 QFrame::paintEvent(e);
Chris@0 860 return;
Chris@0 861 }
Chris@0 862
Chris@0 863 // ensure our constraints are met
Chris@0 864 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 865 ZoomConstraint::RoundUp);
Chris@0 866
Chris@0 867 QPainter paint;
Chris@0 868 bool repaintCache = false;
Chris@0 869 bool paintedCacheRect = false;
Chris@0 870
Chris@0 871 QRect cacheRect(rect());
Chris@0 872
Chris@0 873 if (e) {
Chris@0 874 cacheRect &= e->rect();
Chris@0 875 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 876 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 877 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 878 #endif
Chris@0 879 }
Chris@0 880
Chris@0 881 QRect nonCacheRect(cacheRect);
Chris@0 882
Chris@0 883 // If not all layers are scrollable, but some of the back layers
Chris@0 884 // are, we should store only those in the cache
Chris@0 885
Chris@0 886 bool layersChanged = false;
Chris@0 887 LayerList scrollables = getScrollableBackLayers(layersChanged);
Chris@0 888 LayerList nonScrollables = getNonScrollableFrontLayers(layersChanged);
Chris@9 889 bool selectionCacheable = nonScrollables.empty();
Chris@9 890 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 891 bool selectionDrawn = false;
Chris@0 892
Chris@10 893 if (!selectionCacheable) {
Chris@10 894 selectionCacheable = true;
Chris@10 895 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 896 i != nonScrollables.end(); ++i) {
Chris@10 897 if ((*i)->isLayerOpaque()) {
Chris@10 898 selectionCacheable = false;
Chris@10 899 break;
Chris@10 900 }
Chris@10 901 }
Chris@10 902 }
Chris@10 903
Chris@0 904 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 905 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 906 << " scrollable back layers and " << nonScrollables.size()
Chris@0 907 << " non-scrollable front layers" << std::endl;
Chris@9 908 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 909 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 910 #endif
Chris@0 911
Chris@9 912 if (layersChanged || scrollables.empty() ||
Chris@9 913 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 914 delete m_cache;
Chris@0 915 m_cache = 0;
Chris@9 916 m_selectionCached = false;
Chris@0 917 }
Chris@0 918
Chris@0 919 if (!scrollables.empty()) {
Chris@0 920 if (!m_cache ||
Chris@0 921 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 922 width() != m_cache->width() ||
Chris@0 923 height() != m_cache->height()) {
Chris@0 924
Chris@0 925 // cache is not valid
Chris@0 926
Chris@0 927 if (cacheRect.width() < width()/10) {
Chris@0 928 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 929 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 930 #endif
Chris@0 931 } else {
Chris@0 932 delete m_cache;
Chris@0 933 m_cache = new QPixmap(width(), height());
Chris@0 934 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 935 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 936 #endif
Chris@0 937 cacheRect = rect();
Chris@0 938 repaintCache = true;
Chris@0 939 }
Chris@0 940
Chris@0 941 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 942
Chris@15 943 long dx =
Chris@15 944 getXForFrame(m_cacheCentreFrame) -
Chris@15 945 getXForFrame(m_centreFrame);
Chris@0 946
Chris@0 947 if (dx > -width() && dx < width()) {
Chris@0 948 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 949 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 950 // or Mac (it only works when moving in one direction)
Chris@0 951 static QPixmap *tmpPixmap = 0;
Chris@0 952 if (!tmpPixmap ||
Chris@0 953 tmpPixmap->width() != width() ||
Chris@0 954 tmpPixmap->height() != height()) {
Chris@0 955 delete tmpPixmap;
Chris@0 956 tmpPixmap = new QPixmap(width(), height());
Chris@0 957 }
Chris@0 958 paint.begin(tmpPixmap);
Chris@0 959 paint.drawPixmap(0, 0, *m_cache);
Chris@0 960 paint.end();
Chris@0 961 paint.begin(m_cache);
Chris@0 962 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 963 paint.end();
Chris@0 964 #else
Chris@0 965 // But it seems to be fine on X11
Chris@0 966 paint.begin(m_cache);
Chris@0 967 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 968 paint.end();
Chris@0 969 #endif
Chris@0 970
Chris@0 971 if (dx < 0) {
Chris@0 972 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 973 } else {
Chris@0 974 cacheRect = QRect(0, 0, dx, height());
Chris@0 975 }
Chris@0 976 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 977 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 978 #endif
Chris@0 979 } else {
Chris@0 980 cacheRect = rect();
Chris@0 981 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 982 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 983 #endif
Chris@0 984 }
Chris@0 985 repaintCache = true;
Chris@0 986
Chris@0 987 } else {
Chris@0 988 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 989 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 990 #endif
Chris@0 991 paint.begin(this);
Chris@0 992 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 993 paint.end();
Chris@0 994 QFrame::paintEvent(e);
Chris@0 995 paintedCacheRect = true;
Chris@0 996 }
Chris@0 997
Chris@0 998 m_cacheCentreFrame = m_centreFrame;
Chris@0 999 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1000 }
Chris@0 1001
Chris@0 1002 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1003 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1004 #endif
Chris@0 1005
Chris@0 1006 // Scrollable (cacheable) items first
Chris@0 1007
Chris@0 1008 if (!paintedCacheRect) {
Chris@0 1009
Chris@0 1010 if (repaintCache) paint.begin(m_cache);
Chris@0 1011 else paint.begin(this);
Chris@0 1012
Chris@0 1013 paint.setClipRect(cacheRect);
Chris@0 1014
Chris@0 1015 if (hasLightBackground()) {
Chris@0 1016 paint.setPen(Qt::white);
Chris@0 1017 paint.setBrush(Qt::white);
Chris@0 1018 } else {
Chris@0 1019 paint.setPen(Qt::black);
Chris@0 1020 paint.setBrush(Qt::black);
Chris@0 1021 }
Chris@0 1022 paint.drawRect(cacheRect);
Chris@0 1023
Chris@0 1024 paint.setPen(Qt::black);
Chris@0 1025 paint.setBrush(Qt::NoBrush);
Chris@0 1026
Chris@0 1027 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1028 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1029 paint.save();
Chris@0 1030 (*i)->paint(paint, cacheRect);
Chris@8 1031 paint.restore();
Chris@0 1032 }
Chris@9 1033
Chris@9 1034 if (haveSelections && selectionCacheable) {
Chris@9 1035 drawSelections(paint);
Chris@9 1036 m_selectionCached = repaintCache;
Chris@9 1037 selectionDrawn = true;
Chris@9 1038 }
Chris@0 1039
Chris@0 1040 paint.end();
Chris@0 1041
Chris@0 1042 if (repaintCache) {
Chris@0 1043 cacheRect |= (e ? e->rect() : rect());
Chris@0 1044 paint.begin(this);
Chris@0 1045 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1046 paint.end();
Chris@0 1047 }
Chris@0 1048 }
Chris@0 1049
Chris@0 1050 // Now non-cacheable items. We always need to redraw the
Chris@0 1051 // non-cacheable items across at least the area we drew of the
Chris@0 1052 // cacheable items.
Chris@0 1053
Chris@0 1054 nonCacheRect |= cacheRect;
Chris@0 1055
Chris@0 1056 paint.begin(this);
Chris@0 1057 paint.setClipRect(nonCacheRect);
Chris@0 1058
Chris@0 1059 if (scrollables.empty()) {
Chris@0 1060 if (hasLightBackground()) {
Chris@0 1061 paint.setPen(Qt::white);
Chris@0 1062 paint.setBrush(Qt::white);
Chris@0 1063 } else {
Chris@0 1064 paint.setPen(Qt::black);
Chris@0 1065 paint.setBrush(Qt::black);
Chris@0 1066 }
Chris@0 1067 paint.drawRect(nonCacheRect);
Chris@0 1068 }
Chris@0 1069
Chris@0 1070 paint.setPen(Qt::black);
Chris@0 1071 paint.setBrush(Qt::NoBrush);
Chris@0 1072
Chris@0 1073 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@0 1074 (*i)->paint(paint, nonCacheRect);
Chris@0 1075 }
Chris@0 1076
Chris@9 1077 paint.end();
Chris@8 1078
Chris@9 1079 paint.begin(this);
Chris@9 1080 if (e) paint.setClipRect(e->rect());
Chris@9 1081 if (!m_selectionCached) {
Chris@9 1082 drawSelections(paint);
Chris@8 1083 }
Chris@0 1084 paint.end();
Chris@0 1085
Chris@0 1086 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1087
Chris@0 1088 paint.begin(this);
Chris@0 1089
Chris@0 1090 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1091 m_playPointerFrame < getEndFrame()) {
Chris@0 1092
Chris@15 1093 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1094
Chris@0 1095 paint.setPen(Qt::black);
Chris@0 1096 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1097 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1098 paint.drawPoint(playx, 0);
Chris@0 1099 paint.drawPoint(playx, height() - 1);
Chris@0 1100 paint.setPen(Qt::white);
Chris@0 1101 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1102 }
Chris@0 1103
Chris@0 1104 paint.end();
Chris@0 1105 }
Chris@0 1106
Chris@0 1107 QFrame::paintEvent(e);
Chris@0 1108 }
Chris@0 1109
Chris@9 1110 void
Chris@9 1111 View::drawSelections(QPainter &paint)
Chris@9 1112 {
Chris@9 1113 ViewManager::SelectionList selections;
Chris@9 1114
Chris@9 1115 if (m_manager) {
Chris@9 1116 selections = m_manager->getSelections();
Chris@9 1117 if (m_manager->haveInProgressSelection()) {
Chris@9 1118 bool exclusive;
Chris@9 1119 Selection inProgressSelection =
Chris@9 1120 m_manager->getInProgressSelection(exclusive);
Chris@9 1121 if (exclusive) selections.clear();
Chris@9 1122 selections.insert(inProgressSelection);
Chris@9 1123 }
Chris@9 1124 }
Chris@9 1125
Chris@9 1126 paint.save();
Chris@9 1127 paint.setPen(QColor(150, 150, 255));
Chris@9 1128 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1129
Chris@10 1130 int sampleRate = getModelsSampleRate();
Chris@10 1131
Chris@10 1132 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1133
Chris@9 1134 for (ViewManager::SelectionList::iterator i = selections.begin();
Chris@9 1135 i != selections.end(); ++i) {
Chris@9 1136
Chris@15 1137 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1138 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1139
Chris@10 1140 if (p1 < 0 || p0 > width()) continue;
Chris@9 1141
Chris@9 1142 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1143 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1144 #endif
Chris@9 1145
Chris@9 1146 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1147
Chris@10 1148 if (sampleRate && shouldLabelSelections()) {
Chris@10 1149
Chris@10 1150 QString startText = QString("%1 / %2")
Chris@10 1151 .arg(QString::fromStdString
Chris@10 1152 (RealTime::frame2RealTime
Chris@10 1153 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1154 .arg(i->getStartFrame());
Chris@10 1155
Chris@10 1156 QString endText = QString(" %1 / %2")
Chris@10 1157 .arg(QString::fromStdString
Chris@10 1158 (RealTime::frame2RealTime
Chris@10 1159 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1160 .arg(i->getEndFrame());
Chris@10 1161
Chris@10 1162 QString durationText = QString("(%1 / %2) ")
Chris@10 1163 .arg(QString::fromStdString
Chris@10 1164 (RealTime::frame2RealTime
Chris@10 1165 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1166 .toText(true)))
Chris@10 1167 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1168
Chris@10 1169 int sw = metrics.width(startText),
Chris@10 1170 ew = metrics.width(endText),
Chris@10 1171 dw = metrics.width(durationText);
Chris@10 1172
Chris@10 1173 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1174 int ey = sy;
Chris@10 1175 int dy = sy + metrics.height();
Chris@10 1176
Chris@10 1177 int sx = p0 + 2;
Chris@10 1178 int ex = sx;
Chris@10 1179 int dx = sx;
Chris@10 1180
Chris@10 1181 if (sw + ew > (p1 - p0)) {
Chris@10 1182 ey += metrics.height();
Chris@10 1183 dy += metrics.height();
Chris@10 1184 }
Chris@10 1185
Chris@10 1186 if (ew < (p1 - p0)) {
Chris@10 1187 ex = p1 - 2 - ew;
Chris@10 1188 }
Chris@10 1189
Chris@10 1190 if (dw < (p1 - p0)) {
Chris@10 1191 dx = p1 - 2 - dw;
Chris@10 1192 }
Chris@10 1193
Chris@10 1194 paint.drawText(sx, sy, startText);
Chris@10 1195 paint.drawText(ex, ey, endText);
Chris@10 1196 paint.drawText(dx, dy, durationText);
Chris@10 1197 }
Chris@9 1198 }
Chris@9 1199
Chris@9 1200 paint.restore();
Chris@9 1201 }
Chris@9 1202
Chris@3 1203 QString
Chris@3 1204 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1205 {
Chris@3 1206 QString s;
Chris@3 1207
Chris@3 1208 s += indent;
Chris@3 1209
Chris@3 1210 s += QString("<view "
Chris@3 1211 "centre=\"%1\" "
Chris@3 1212 "zoom=\"%2\" "
Chris@3 1213 "followPan=\"%3\" "
Chris@3 1214 "followZoom=\"%4\" "
Chris@3 1215 "tracking=\"%5\" "
Chris@3 1216 "light=\"%6\" %7>\n")
Chris@3 1217 .arg(m_centreFrame)
Chris@3 1218 .arg(m_zoomLevel)
Chris@3 1219 .arg(m_followPan)
Chris@3 1220 .arg(m_followZoom)
Chris@3 1221 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1222 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1223 .arg(m_lightBackground)
Chris@3 1224 .arg(extraAttributes);
Chris@3 1225
Chris@3 1226 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1227 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1228 }
Chris@3 1229
Chris@4 1230 s += indent + "</view>\n";
Chris@3 1231
Chris@3 1232 return s;
Chris@3 1233 }
Chris@3 1234
Chris@3 1235
Chris@0 1236 #ifdef INCLUDE_MOCFILES
Chris@0 1237 #include "View.moc.cpp"
Chris@0 1238 #endif
Chris@0 1239