annotate base/View.cpp @ 25:7dad8a310963

* Add basics of MIDI file import. Doesn't actually create the model yet. * Add rewind to start / ffwd to end. * Make zoom constraint default to sqrt(2) type if no constraint set
author Chris Cannam
date Thu, 09 Feb 2006 18:01:52 +0000
parents bb9291d84810
children 8460b3bf8f04
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>
Chris@0 26
Chris@18 27 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@0 28
Chris@0 29 using std::cerr;
Chris@0 30 using std::endl;
Chris@0 31
Chris@0 32 View::View(QWidget *w, bool showProgress) :
Chris@0 33 QFrame(w),
Chris@0 34 m_centreFrame(0),
Chris@0 35 m_zoomLevel(1024),
Chris@0 36 m_followPan(true),
Chris@0 37 m_followZoom(true),
Chris@0 38 m_followPlay(PlaybackScrollPage),
Chris@0 39 m_lightBackground(true),
Chris@0 40 m_showProgress(showProgress),
Chris@0 41 m_cache(0),
Chris@0 42 m_cacheCentreFrame(0),
Chris@0 43 m_cacheZoomLevel(1024),
Chris@9 44 m_selectionCached(false),
Chris@0 45 m_deleting(false),
Chris@8 46 m_haveSelectedLayer(false),
Chris@0 47 m_manager(0)
Chris@0 48 {
Chris@0 49 // QWidget::setAttribute(Qt::WA_PaintOnScreen);
Chris@0 50 }
Chris@0 51
Chris@0 52 View::~View()
Chris@0 53 {
Chris@0 54 m_deleting = true;
Chris@0 55
Chris@0 56 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 57 delete *i;
Chris@0 58 }
Chris@0 59 }
Chris@0 60
Chris@0 61 PropertyContainer::PropertyList
Chris@0 62 View::getProperties() const
Chris@0 63 {
Chris@0 64 PropertyList list;
Chris@0 65 list.push_back(tr("Global Scroll"));
Chris@0 66 list.push_back(tr("Global Zoom"));
Chris@0 67 list.push_back(tr("Follow Playback"));
Chris@0 68 return list;
Chris@0 69 }
Chris@0 70
Chris@0 71 PropertyContainer::PropertyType
Chris@0 72 View::getPropertyType(const PropertyName &name) const
Chris@0 73 {
Chris@0 74 if (name == tr("Global Scroll")) return ToggleProperty;
Chris@0 75 if (name == tr("Global Zoom")) return ToggleProperty;
Chris@0 76 if (name == tr("Follow Playback")) return ValueProperty;
Chris@0 77 return InvalidProperty;
Chris@0 78 }
Chris@0 79
Chris@0 80 int
Chris@0 81 View::getPropertyRangeAndValue(const PropertyName &name,
Chris@0 82 int *min, int *max) const
Chris@0 83 {
Chris@0 84 if (name == tr("Global Scroll")) return m_followPan;
Chris@0 85 if (name == tr("Global Zoom")) return m_followZoom;
Chris@0 86 if (name == tr("Follow Playback")) { *min = 0; *max = 2; return int(m_followPlay); }
Chris@0 87 return PropertyContainer::getPropertyRangeAndValue(name, min, max);
Chris@0 88 }
Chris@0 89
Chris@0 90 QString
Chris@0 91 View::getPropertyValueLabel(const PropertyName &name,
Chris@0 92 int value) const
Chris@0 93 {
Chris@0 94 if (name == tr("Follow Playback")) {
Chris@0 95 switch (value) {
Chris@0 96 default:
Chris@0 97 case 0: return tr("Scroll");
Chris@0 98 case 1: return tr("Page");
Chris@0 99 case 2: return tr("Off");
Chris@0 100 }
Chris@0 101 }
Chris@0 102 return tr("<unknown>");
Chris@0 103 }
Chris@0 104
Chris@0 105 void
Chris@0 106 View::setProperty(const PropertyName &name, int value)
Chris@0 107 {
Chris@0 108 if (name == tr("Global Scroll")) {
Chris@0 109 setFollowGlobalPan(value != 0);
Chris@0 110 } else if (name == tr("Global Zoom")) {
Chris@0 111 setFollowGlobalZoom(value != 0);
Chris@0 112 } else if (name == tr("Follow Playback")) {
Chris@0 113 switch (value) {
Chris@0 114 default:
Chris@0 115 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@0 116 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@0 117 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@0 118 }
Chris@0 119 }
Chris@0 120 }
Chris@0 121
Chris@0 122 size_t
Chris@0 123 View::getPropertyContainerCount() const
Chris@0 124 {
Chris@0 125 return m_layers.size() + 1; // the 1 is for me
Chris@0 126 }
Chris@0 127
Chris@0 128 const PropertyContainer *
Chris@0 129 View::getPropertyContainer(size_t i) const
Chris@0 130 {
Chris@0 131 return (const PropertyContainer *)(((View *)this)->
Chris@0 132 getPropertyContainer(i));
Chris@0 133 }
Chris@0 134
Chris@0 135 PropertyContainer *
Chris@0 136 View::getPropertyContainer(size_t i)
Chris@0 137 {
Chris@0 138 if (i == 0) return this;
Chris@0 139 return m_layers[i-1];
Chris@0 140 }
Chris@0 141
Chris@0 142 void
Chris@0 143 View::propertyContainerSelected(PropertyContainer *pc)
Chris@0 144 {
Chris@8 145 if (pc == this) {
Chris@8 146 if (m_haveSelectedLayer) {
Chris@8 147 m_haveSelectedLayer = false;
Chris@8 148 update();
Chris@8 149 }
Chris@8 150 return;
Chris@8 151 }
Chris@0 152
Chris@0 153 delete m_cache;
Chris@0 154 m_cache = 0;
Chris@0 155
Chris@0 156 Layer *selectedLayer = 0;
Chris@0 157
Chris@0 158 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 159 if (*i == pc) {
Chris@0 160 selectedLayer = *i;
Chris@0 161 m_layers.erase(i);
Chris@0 162 break;
Chris@0 163 }
Chris@0 164 }
Chris@0 165
Chris@0 166 if (selectedLayer) {
Chris@8 167 m_haveSelectedLayer = true;
Chris@0 168 m_layers.push_back(selectedLayer);
Chris@0 169 update();
Chris@8 170 } else {
Chris@8 171 m_haveSelectedLayer = false;
Chris@0 172 }
Chris@0 173 }
Chris@0 174
Chris@8 175 void
Chris@8 176 View::toolModeChanged()
Chris@8 177 {
Chris@8 178 std::cerr << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << std::endl;
Chris@8 179 }
Chris@8 180
Chris@0 181 long
Chris@0 182 View::getStartFrame() const
Chris@0 183 {
Chris@0 184 size_t w2 = (width() / 2) * m_zoomLevel;
Chris@0 185 size_t frame = m_centreFrame;
Chris@0 186 if (frame >= w2) {
Chris@0 187 frame -= w2;
Chris@0 188 return (frame / m_zoomLevel * m_zoomLevel);
Chris@0 189 } else {
Chris@0 190 frame = w2 - frame;
Chris@0 191 frame = frame / m_zoomLevel * m_zoomLevel;
Chris@0 192 return -(long)frame - m_zoomLevel;
Chris@0 193 }
Chris@0 194 }
Chris@0 195
Chris@0 196 size_t
Chris@0 197 View::getEndFrame() const
Chris@0 198 {
Chris@16 199 return getFrameForX(width()) - 1;
Chris@0 200 }
Chris@0 201
Chris@0 202 void
Chris@0 203 View::setStartFrame(long f)
Chris@0 204 {
Chris@0 205 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@0 206 }
Chris@0 207
Chris@10 208 bool
Chris@0 209 View::setCentreFrame(size_t f, bool e)
Chris@0 210 {
Chris@10 211 bool changeVisible = false;
Chris@10 212
Chris@0 213 if (m_centreFrame != f) {
Chris@0 214
Chris@0 215 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@0 216
Chris@0 217 m_centreFrame = f;
Chris@0 218
Chris@0 219 int newPixel = m_centreFrame / m_zoomLevel;
Chris@0 220
Chris@0 221 if (newPixel != formerPixel) {
Chris@0 222
Chris@0 223 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 224 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@0 225 #endif
Chris@0 226 update();
Chris@10 227
Chris@10 228 changeVisible = true;
Chris@0 229 }
Chris@0 230
Chris@0 231 if (e) emit centreFrameChanged(this, f, m_followPan);
Chris@0 232 }
Chris@10 233
Chris@10 234 return changeVisible;
Chris@0 235 }
Chris@0 236
Chris@15 237 int
Chris@15 238 View::getXForFrame(long frame) const
Chris@15 239 {
Chris@15 240 return (frame - getStartFrame()) / m_zoomLevel;
Chris@15 241 }
Chris@15 242
Chris@15 243 long
Chris@15 244 View::getFrameForX(int x) const
Chris@15 245 {
Chris@15 246 return (long(x) * long(m_zoomLevel)) + getStartFrame();
Chris@15 247 }
Chris@15 248
Chris@22 249 int
Chris@22 250 View::getZoomLevel() const
Chris@22 251 {
Chris@22 252 return m_zoomLevel;
Chris@22 253 }
Chris@22 254
Chris@0 255 void
Chris@0 256 View::setZoomLevel(size_t z)
Chris@0 257 {
Chris@0 258 if (m_zoomLevel != int(z)) {
Chris@0 259 m_zoomLevel = z;
Chris@0 260 emit zoomLevelChanged(this, z, m_followZoom);
Chris@0 261 update();
Chris@0 262 }
Chris@0 263 }
Chris@0 264
Chris@16 265 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@16 266 QProgressBar(parent)
Chris@16 267 {
Chris@16 268 QFont f(font());
Chris@16 269 f.setPointSize(f.pointSize() * 8 / 10);
Chris@16 270 setFont(f);
Chris@16 271 }
Chris@16 272
Chris@0 273 void
Chris@0 274 View::addLayer(Layer *layer)
Chris@0 275 {
Chris@0 276 delete m_cache;
Chris@0 277 m_cache = 0;
Chris@0 278
Chris@0 279 m_layers.push_back(layer);
Chris@0 280
Chris@0 281 m_progressBars[layer] = new LayerProgressBar(this);
Chris@0 282 m_progressBars[layer]->setMinimum(0);
Chris@0 283 m_progressBars[layer]->setMaximum(100);
Chris@0 284 m_progressBars[layer]->setMinimumWidth(80);
Chris@0 285 m_progressBars[layer]->hide();
Chris@16 286
Chris@0 287 connect(layer, SIGNAL(layerParametersChanged()),
Chris@0 288 this, SLOT(layerParametersChanged()));
Chris@0 289 connect(layer, SIGNAL(layerNameChanged()),
Chris@0 290 this, SLOT(layerNameChanged()));
Chris@0 291 connect(layer, SIGNAL(modelChanged()),
Chris@0 292 this, SLOT(modelChanged()));
Chris@0 293 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@0 294 this, SLOT(modelCompletionChanged()));
Chris@0 295 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@0 296 this, SLOT(modelChanged(size_t, size_t)));
Chris@0 297 connect(layer, SIGNAL(modelReplaced()),
Chris@0 298 this, SLOT(modelReplaced()));
Chris@0 299
Chris@0 300 update();
Chris@0 301
Chris@0 302 emit propertyContainerAdded(layer);
Chris@0 303 }
Chris@0 304
Chris@0 305 void
Chris@0 306 View::removeLayer(Layer *layer)
Chris@0 307 {
Chris@0 308 if (m_deleting) {
Chris@0 309 return;
Chris@0 310 }
Chris@0 311
Chris@0 312 delete m_cache;
Chris@0 313 m_cache = 0;
Chris@0 314
Chris@0 315 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 316 if (*i == layer) {
Chris@0 317 m_layers.erase(i);
Chris@0 318 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@0 319 delete m_progressBars[layer];
Chris@0 320 m_progressBars.erase(layer);
Chris@0 321 }
Chris@0 322 break;
Chris@0 323 }
Chris@0 324 }
Chris@0 325
Chris@0 326 update();
Chris@0 327
Chris@0 328 emit propertyContainerRemoved(layer);
Chris@0 329 }
Chris@0 330
Chris@8 331 Layer *
Chris@8 332 View::getSelectedLayer()
Chris@8 333 {
Chris@8 334 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@8 335 return getLayer(getLayerCount() - 1);
Chris@8 336 } else {
Chris@8 337 return 0;
Chris@8 338 }
Chris@8 339 }
Chris@8 340
Chris@0 341 void
Chris@0 342 View::setViewManager(ViewManager *manager)
Chris@0 343 {
Chris@0 344 if (m_manager) {
Chris@0 345 m_manager->disconnect(this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 346 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@0 347 disconnect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 348 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 349 disconnect(m_manager, SIGNAL(toolModeChanged()));
Chris@8 350 disconnect(m_manager, SIGNAL(selectionChanged()));
Chris@9 351 disconnect(m_manager, SIGNAL(inProgressSelectionChanged()));
Chris@0 352 }
Chris@0 353
Chris@0 354 m_manager = manager;
Chris@0 355 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@0 356 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@0 357
Chris@0 358 connect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 359 this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 360 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@0 361 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@0 362 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 363 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@8 364 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@8 365 this, SLOT(toolModeChanged()));
Chris@8 366 connect(m_manager, SIGNAL(selectionChanged()),
Chris@9 367 this, SLOT(selectionChanged()));
Chris@9 368 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@9 369 this, SLOT(selectionChanged()));
Chris@0 370
Chris@0 371 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 372 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 373 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 374 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 375
Chris@8 376 toolModeChanged();
Chris@0 377 }
Chris@0 378
Chris@0 379 void
Chris@0 380 View::setFollowGlobalPan(bool f)
Chris@0 381 {
Chris@0 382 m_followPan = f;
Chris@0 383 emit propertyContainerPropertyChanged(this);
Chris@0 384 }
Chris@0 385
Chris@0 386 void
Chris@0 387 View::setFollowGlobalZoom(bool f)
Chris@0 388 {
Chris@0 389 m_followZoom = f;
Chris@0 390 emit propertyContainerPropertyChanged(this);
Chris@0 391 }
Chris@0 392
Chris@0 393 void
Chris@0 394 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 395 {
Chris@0 396 m_followPlay = m;
Chris@0 397 emit propertyContainerPropertyChanged(this);
Chris@0 398 }
Chris@0 399
Chris@0 400 void
Chris@0 401 View::modelChanged()
Chris@0 402 {
Chris@0 403 QObject *obj = sender();
Chris@0 404
Chris@0 405 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 406 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 407 #endif
Chris@0 408 delete m_cache;
Chris@0 409 m_cache = 0;
Chris@0 410
Chris@0 411 checkProgress(obj);
Chris@0 412
Chris@0 413 update();
Chris@0 414 }
Chris@0 415
Chris@0 416 void
Chris@0 417 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 418 {
Chris@0 419 QObject *obj = sender();
Chris@0 420
Chris@0 421 long myStartFrame = getStartFrame();
Chris@0 422 size_t myEndFrame = getEndFrame();
Chris@0 423
Chris@1 424 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 425 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 426 #endif
Chris@1 427
Chris@0 428 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 429 checkProgress(obj);
Chris@0 430 return;
Chris@0 431 }
Chris@0 432 if (startFrame > myEndFrame) {
Chris@0 433 checkProgress(obj);
Chris@0 434 return;
Chris@0 435 }
Chris@0 436
Chris@0 437 delete m_cache;
Chris@0 438 m_cache = 0;
Chris@0 439
Chris@0 440 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 441 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 442
Chris@15 443 int x0 = getXForFrame(startFrame);
Chris@15 444 int x1 = getXForFrame(endFrame + 1);
Chris@15 445 if (x1 < x0) x1 = x0;
Chris@0 446
Chris@0 447 checkProgress(obj);
Chris@0 448
Chris@0 449 update(x0, 0, x1 - x0 + 1, height());
Chris@0 450 }
Chris@0 451
Chris@0 452 void
Chris@0 453 View::modelCompletionChanged()
Chris@0 454 {
Chris@0 455 QObject *obj = sender();
Chris@0 456 checkProgress(obj);
Chris@0 457 }
Chris@0 458
Chris@0 459 void
Chris@0 460 View::modelReplaced()
Chris@0 461 {
Chris@0 462 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 463 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 464 #endif
Chris@1 465 delete m_cache;
Chris@1 466 m_cache = 0;
Chris@1 467
Chris@0 468 update();
Chris@0 469 }
Chris@0 470
Chris@0 471 void
Chris@0 472 View::layerParametersChanged()
Chris@0 473 {
Chris@0 474 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 475
Chris@0 476 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 477 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 478 #endif
Chris@0 479
Chris@0 480 delete m_cache;
Chris@0 481 m_cache = 0;
Chris@0 482 update();
Chris@0 483
Chris@0 484 if (layer) {
Chris@0 485 emit propertyContainerPropertyChanged(layer);
Chris@0 486 }
Chris@0 487 }
Chris@0 488
Chris@0 489 void
Chris@0 490 View::layerNameChanged()
Chris@0 491 {
Chris@0 492 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 493 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 494 }
Chris@0 495
Chris@0 496 void
Chris@0 497 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 498 {
Chris@0 499 if (m_followPan && p != this && locked) {
Chris@0 500 if (m_manager && (sender() == m_manager)) {
Chris@0 501 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 502 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 503 #endif
Chris@0 504 setCentreFrame(f);
Chris@0 505 if (p == this) repaint();
Chris@0 506 }
Chris@0 507 }
Chris@0 508 }
Chris@0 509
Chris@0 510 void
Chris@0 511 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 512 {
Chris@0 513 if (m_manager) {
Chris@0 514 if (sender() != m_manager) return;
Chris@0 515 }
Chris@0 516
Chris@0 517 if (m_playPointerFrame == f) return;
Chris@15 518 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 519 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 520 m_playPointerFrame = f;
Chris@0 521 if (!visible) return;
Chris@0 522
Chris@21 523 bool modifierPressed = // we only care about these ones
Chris@21 524 ((QApplication::keyboardModifiers() & Qt::ShiftModifier) ||
Chris@21 525 (QApplication::keyboardModifiers() & Qt::ControlModifier));
Chris@20 526
Chris@0 527 switch (m_followPlay) {
Chris@0 528
Chris@0 529 case PlaybackScrollContinuous:
Chris@10 530 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 531 !modifierPressed) {
Chris@0 532 setCentreFrame(f, false);
Chris@0 533 }
Chris@0 534 break;
Chris@0 535
Chris@0 536 case PlaybackScrollPage:
Chris@0 537 {
Chris@15 538 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 539 repaint(xold - 1, 0, 3, height());
Chris@10 540
Chris@15 541 long w = getEndFrame() - getStartFrame();
Chris@0 542 w -= w/5;
Chris@0 543 long sf = (f / w) * w - w/8;
Chris@10 544
Chris@10 545 if (m_manager &&
Chris@10 546 m_manager->isPlaying() &&
Chris@10 547 m_manager->getPlaySelectionMode()) {
Chris@24 548 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@10 549 if (!selections.empty()) {
Chris@10 550 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 551 if (sf < long(selectionStart) - w / 10) {
Chris@10 552 sf = long(selectionStart) - w / 10;
Chris@10 553 }
Chris@10 554 }
Chris@10 555 }
Chris@10 556
Chris@0 557 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 558 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 559 << getStartFrame() << std::endl;
Chris@0 560 #endif
Chris@10 561
Chris@15 562 // We don't consider scrolling unless the pointer is outside
Chris@15 563 // the clearly visible range already
Chris@15 564
Chris@15 565 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 566
Chris@18 567 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 568 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 569 #endif
Chris@18 570
Chris@15 571 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 572 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 573 !modifierPressed) {
Chris@15 574 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 575 long newCentre = sf + offset;
Chris@15 576 bool changed = setCentreFrame(newCentre, false);
Chris@15 577 if (changed) {
Chris@15 578 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 579 update(xold - 1, 0, 3, height());
Chris@15 580 }
Chris@10 581 }
Chris@10 582 }
Chris@10 583
Chris@0 584 update(xnew - 1, 0, 3, height());
Chris@10 585
Chris@0 586 break;
Chris@0 587 }
Chris@0 588
Chris@0 589 case PlaybackIgnore:
Chris@0 590 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 591 update();
Chris@0 592 }
Chris@0 593 break;
Chris@0 594 }
Chris@0 595 }
Chris@0 596
Chris@0 597 void
Chris@0 598 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 599 {
Chris@0 600 if (m_followZoom && p != this && locked) {
Chris@0 601 if (m_manager && (sender() == m_manager)) {
Chris@0 602 setZoomLevel(z);
Chris@0 603 if (p == this) repaint();
Chris@0 604 }
Chris@0 605 }
Chris@0 606 }
Chris@0 607
Chris@9 608 void
Chris@9 609 View::selectionChanged()
Chris@9 610 {
Chris@9 611 if (m_selectionCached) {
Chris@9 612 delete m_cache;
Chris@9 613 m_cache = 0;
Chris@9 614 m_selectionCached = false;
Chris@9 615 }
Chris@9 616 update();
Chris@9 617 }
Chris@9 618
Chris@0 619 size_t
Chris@0 620 View::getModelsStartFrame() const
Chris@0 621 {
Chris@0 622 bool first = true;
Chris@0 623 size_t startFrame = 0;
Chris@0 624
Chris@0 625 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 626
Chris@0 627 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 628
Chris@0 629 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 630
Chris@0 631 if (first || thisStartFrame < startFrame) {
Chris@0 632 startFrame = thisStartFrame;
Chris@0 633 }
Chris@0 634 first = false;
Chris@0 635 }
Chris@0 636 }
Chris@0 637 return startFrame;
Chris@0 638 }
Chris@0 639
Chris@0 640 size_t
Chris@0 641 View::getModelsEndFrame() const
Chris@0 642 {
Chris@0 643 bool first = true;
Chris@0 644 size_t endFrame = 0;
Chris@0 645
Chris@0 646 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 647
Chris@0 648 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 649
Chris@0 650 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 651
Chris@0 652 if (first || thisEndFrame > endFrame) {
Chris@0 653 endFrame = thisEndFrame;
Chris@0 654 }
Chris@0 655 first = false;
Chris@0 656 }
Chris@0 657 }
Chris@0 658
Chris@0 659 if (first) return getModelsStartFrame();
Chris@0 660 return endFrame;
Chris@0 661 }
Chris@0 662
Chris@0 663 int
Chris@0 664 View::getModelsSampleRate() const
Chris@0 665 {
Chris@0 666 //!!! Just go for the first, for now. If we were supporting
Chris@0 667 // multiple samplerates, we'd probably want to do frame/time
Chris@0 668 // conversion in the model
Chris@0 669
Chris@0 670 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 671 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 672 return (*i)->getModel()->getSampleRate();
Chris@0 673 }
Chris@0 674 }
Chris@0 675 return 0;
Chris@0 676 }
Chris@0 677
Chris@0 678 bool
Chris@0 679 View::areLayersScrollable() const
Chris@0 680 {
Chris@0 681 // True iff all views are scrollable
Chris@0 682 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 683 if (!(*i)->isLayerScrollable()) return false;
Chris@0 684 }
Chris@0 685 return true;
Chris@0 686 }
Chris@0 687
Chris@0 688 View::LayerList
Chris@0 689 View::getScrollableBackLayers(bool &changed) const
Chris@0 690 {
Chris@0 691 changed = false;
Chris@0 692
Chris@0 693 LayerList scrollables;
Chris@0 694 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 695 if ((*i)->isLayerScrollable()) scrollables.push_back(*i);
Chris@0 696 else {
Chris@0 697 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 698 m_lastScrollableBackLayers = scrollables;
Chris@0 699 changed = true;
Chris@0 700 }
Chris@0 701 return scrollables;
Chris@0 702 }
Chris@0 703 }
Chris@0 704
Chris@0 705 if (scrollables.size() == 1 &&
Chris@0 706 dynamic_cast<TimeRulerLayer *>(*scrollables.begin())) {
Chris@0 707
Chris@0 708 // If only the ruler is scrollable, it's not worth the bother
Chris@0 709 // -- it probably redraws as quickly as it refreshes from
Chris@0 710 // cache
Chris@0 711 scrollables.clear();
Chris@0 712 }
Chris@0 713
Chris@0 714 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 715 m_lastScrollableBackLayers = scrollables;
Chris@0 716 changed = true;
Chris@0 717 }
Chris@0 718 return scrollables;
Chris@0 719 }
Chris@0 720
Chris@0 721 View::LayerList
Chris@0 722 View::getNonScrollableFrontLayers(bool &changed) const
Chris@0 723 {
Chris@0 724 changed = false;
Chris@0 725 LayerList scrollables = getScrollableBackLayers(changed);
Chris@0 726 LayerList nonScrollables;
Chris@0 727
Chris@0 728 // Everything in front of the first non-scrollable from the back
Chris@0 729 // should also be considered non-scrollable
Chris@0 730
Chris@0 731 size_t count = 0;
Chris@0 732 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 733 if (count < scrollables.size()) {
Chris@0 734 ++count;
Chris@0 735 continue;
Chris@0 736 }
Chris@0 737 nonScrollables.push_back(*i);
Chris@0 738 }
Chris@0 739
Chris@0 740 if (nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 741 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 742 changed = true;
Chris@0 743 }
Chris@0 744
Chris@0 745 return nonScrollables;
Chris@0 746 }
Chris@0 747
Chris@0 748 size_t
Chris@0 749 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 750 ZoomConstraint::RoundingDirection dir)
Chris@0 751 const
Chris@0 752 {
Chris@0 753 size_t candidate = blockSize;
Chris@0 754 bool haveCandidate = false;
Chris@0 755
Chris@25 756 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@25 757
Chris@0 758 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 759
Chris@25 760 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@25 761 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@0 762
Chris@25 763 size_t thisBlockSize =
Chris@25 764 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@0 765
Chris@25 766 // Go for the block size that's furthest from the one
Chris@25 767 // passed in. Most of the time, that's what we want.
Chris@25 768 if (!haveCandidate ||
Chris@25 769 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@25 770 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@25 771 candidate = thisBlockSize;
Chris@25 772 haveCandidate = true;
Chris@0 773 }
Chris@0 774 }
Chris@0 775
Chris@0 776 return candidate;
Chris@0 777 }
Chris@0 778
Chris@0 779 void
Chris@0 780 View::zoom(bool in)
Chris@0 781 {
Chris@0 782 int newZoomLevel = m_zoomLevel;
Chris@0 783
Chris@0 784 if (in) {
Chris@0 785 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 786 ZoomConstraint::RoundDown);
Chris@0 787 } else {
Chris@0 788 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 789 ZoomConstraint::RoundUp);
Chris@0 790 }
Chris@0 791
Chris@0 792 if (newZoomLevel != m_zoomLevel) {
Chris@0 793 setZoomLevel(newZoomLevel);
Chris@0 794 }
Chris@0 795 }
Chris@0 796
Chris@0 797 void
Chris@12 798 View::scroll(bool right, bool lots)
Chris@12 799 {
Chris@12 800 long delta;
Chris@12 801 if (lots) {
Chris@15 802 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 803 } else {
Chris@15 804 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 805 }
Chris@12 806 if (right) delta = -delta;
Chris@12 807
Chris@12 808 if (int(m_centreFrame) < delta) {
Chris@12 809 setCentreFrame(0);
Chris@12 810 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 811 setCentreFrame(getModelsEndFrame());
Chris@12 812 } else {
Chris@12 813 setCentreFrame(m_centreFrame - delta);
Chris@12 814 }
Chris@12 815 }
Chris@12 816
Chris@12 817 void
Chris@0 818 View::checkProgress(void *object)
Chris@0 819 {
Chris@0 820 if (!m_showProgress) return;
Chris@0 821
Chris@0 822 int ph = height();
Chris@0 823
Chris@0 824 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 825 i != m_progressBars.end(); ++i) {
Chris@0 826
Chris@0 827 if (i->first == object) {
Chris@0 828
Chris@0 829 int completion = i->first->getCompletion();
Chris@0 830
Chris@0 831 if (completion >= 100) {
Chris@0 832
Chris@0 833 i->second->hide();
Chris@0 834
Chris@0 835 } else {
Chris@0 836
Chris@0 837 i->second->setText(i->first->getPropertyContainerName());
Chris@0 838 i->second->setValue(completion);
Chris@0 839 i->second->move(0, ph - i->second->height());
Chris@0 840
Chris@0 841 i->second->show();
Chris@0 842 i->second->update();
Chris@0 843
Chris@0 844 ph -= i->second->height();
Chris@0 845 }
Chris@0 846 } else {
Chris@0 847 if (i->second->isVisible()) {
Chris@0 848 ph -= i->second->height();
Chris@0 849 }
Chris@0 850 }
Chris@0 851 }
Chris@0 852 }
Chris@0 853
Chris@0 854 void
Chris@0 855 View::paintEvent(QPaintEvent *e)
Chris@0 856 {
Chris@0 857 // Profiler prof("View::paintEvent", true);
Chris@0 858 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 859
Chris@0 860 if (m_layers.empty()) {
Chris@0 861 QFrame::paintEvent(e);
Chris@0 862 return;
Chris@0 863 }
Chris@0 864
Chris@0 865 // ensure our constraints are met
Chris@0 866 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 867 ZoomConstraint::RoundUp);
Chris@0 868
Chris@0 869 QPainter paint;
Chris@0 870 bool repaintCache = false;
Chris@0 871 bool paintedCacheRect = false;
Chris@0 872
Chris@0 873 QRect cacheRect(rect());
Chris@0 874
Chris@0 875 if (e) {
Chris@0 876 cacheRect &= e->rect();
Chris@0 877 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 878 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 879 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 880 #endif
Chris@0 881 }
Chris@0 882
Chris@0 883 QRect nonCacheRect(cacheRect);
Chris@0 884
Chris@0 885 // If not all layers are scrollable, but some of the back layers
Chris@0 886 // are, we should store only those in the cache
Chris@0 887
Chris@0 888 bool layersChanged = false;
Chris@0 889 LayerList scrollables = getScrollableBackLayers(layersChanged);
Chris@0 890 LayerList nonScrollables = getNonScrollableFrontLayers(layersChanged);
Chris@9 891 bool selectionCacheable = nonScrollables.empty();
Chris@9 892 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 893 bool selectionDrawn = false;
Chris@0 894
Chris@10 895 if (!selectionCacheable) {
Chris@10 896 selectionCacheable = true;
Chris@10 897 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 898 i != nonScrollables.end(); ++i) {
Chris@10 899 if ((*i)->isLayerOpaque()) {
Chris@10 900 selectionCacheable = false;
Chris@10 901 break;
Chris@10 902 }
Chris@10 903 }
Chris@10 904 }
Chris@10 905
Chris@0 906 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 907 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 908 << " scrollable back layers and " << nonScrollables.size()
Chris@0 909 << " non-scrollable front layers" << std::endl;
Chris@9 910 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 911 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 912 #endif
Chris@0 913
Chris@9 914 if (layersChanged || scrollables.empty() ||
Chris@9 915 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 916 delete m_cache;
Chris@0 917 m_cache = 0;
Chris@9 918 m_selectionCached = false;
Chris@0 919 }
Chris@0 920
Chris@0 921 if (!scrollables.empty()) {
Chris@0 922 if (!m_cache ||
Chris@0 923 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 924 width() != m_cache->width() ||
Chris@0 925 height() != m_cache->height()) {
Chris@0 926
Chris@0 927 // cache is not valid
Chris@0 928
Chris@0 929 if (cacheRect.width() < width()/10) {
Chris@0 930 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 931 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 932 #endif
Chris@0 933 } else {
Chris@0 934 delete m_cache;
Chris@0 935 m_cache = new QPixmap(width(), height());
Chris@0 936 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 937 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 938 #endif
Chris@0 939 cacheRect = rect();
Chris@0 940 repaintCache = true;
Chris@0 941 }
Chris@0 942
Chris@0 943 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 944
Chris@15 945 long dx =
Chris@15 946 getXForFrame(m_cacheCentreFrame) -
Chris@15 947 getXForFrame(m_centreFrame);
Chris@0 948
Chris@0 949 if (dx > -width() && dx < width()) {
Chris@0 950 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 951 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 952 // or Mac (it only works when moving in one direction)
Chris@0 953 static QPixmap *tmpPixmap = 0;
Chris@0 954 if (!tmpPixmap ||
Chris@0 955 tmpPixmap->width() != width() ||
Chris@0 956 tmpPixmap->height() != height()) {
Chris@0 957 delete tmpPixmap;
Chris@0 958 tmpPixmap = new QPixmap(width(), height());
Chris@0 959 }
Chris@0 960 paint.begin(tmpPixmap);
Chris@0 961 paint.drawPixmap(0, 0, *m_cache);
Chris@0 962 paint.end();
Chris@0 963 paint.begin(m_cache);
Chris@0 964 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 965 paint.end();
Chris@0 966 #else
Chris@0 967 // But it seems to be fine on X11
Chris@0 968 paint.begin(m_cache);
Chris@0 969 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 970 paint.end();
Chris@0 971 #endif
Chris@0 972
Chris@0 973 if (dx < 0) {
Chris@0 974 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 975 } else {
Chris@0 976 cacheRect = QRect(0, 0, dx, height());
Chris@0 977 }
Chris@0 978 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 979 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 980 #endif
Chris@0 981 } else {
Chris@0 982 cacheRect = rect();
Chris@0 983 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 984 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 985 #endif
Chris@0 986 }
Chris@0 987 repaintCache = true;
Chris@0 988
Chris@0 989 } else {
Chris@0 990 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 991 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 992 #endif
Chris@0 993 paint.begin(this);
Chris@0 994 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 995 paint.end();
Chris@0 996 QFrame::paintEvent(e);
Chris@0 997 paintedCacheRect = true;
Chris@0 998 }
Chris@0 999
Chris@0 1000 m_cacheCentreFrame = m_centreFrame;
Chris@0 1001 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1002 }
Chris@0 1003
Chris@0 1004 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1005 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1006 #endif
Chris@0 1007
Chris@0 1008 // Scrollable (cacheable) items first
Chris@0 1009
Chris@0 1010 if (!paintedCacheRect) {
Chris@0 1011
Chris@0 1012 if (repaintCache) paint.begin(m_cache);
Chris@0 1013 else paint.begin(this);
Chris@0 1014
Chris@0 1015 paint.setClipRect(cacheRect);
Chris@0 1016
Chris@0 1017 if (hasLightBackground()) {
Chris@0 1018 paint.setPen(Qt::white);
Chris@0 1019 paint.setBrush(Qt::white);
Chris@0 1020 } else {
Chris@0 1021 paint.setPen(Qt::black);
Chris@0 1022 paint.setBrush(Qt::black);
Chris@0 1023 }
Chris@0 1024 paint.drawRect(cacheRect);
Chris@0 1025
Chris@0 1026 paint.setPen(Qt::black);
Chris@0 1027 paint.setBrush(Qt::NoBrush);
Chris@0 1028
Chris@0 1029 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1030 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1031 paint.save();
Chris@0 1032 (*i)->paint(paint, cacheRect);
Chris@8 1033 paint.restore();
Chris@0 1034 }
Chris@9 1035
Chris@9 1036 if (haveSelections && selectionCacheable) {
Chris@9 1037 drawSelections(paint);
Chris@9 1038 m_selectionCached = repaintCache;
Chris@9 1039 selectionDrawn = true;
Chris@9 1040 }
Chris@0 1041
Chris@0 1042 paint.end();
Chris@0 1043
Chris@0 1044 if (repaintCache) {
Chris@0 1045 cacheRect |= (e ? e->rect() : rect());
Chris@0 1046 paint.begin(this);
Chris@0 1047 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1048 paint.end();
Chris@0 1049 }
Chris@0 1050 }
Chris@0 1051
Chris@0 1052 // Now non-cacheable items. We always need to redraw the
Chris@0 1053 // non-cacheable items across at least the area we drew of the
Chris@0 1054 // cacheable items.
Chris@0 1055
Chris@0 1056 nonCacheRect |= cacheRect;
Chris@0 1057
Chris@0 1058 paint.begin(this);
Chris@0 1059 paint.setClipRect(nonCacheRect);
Chris@0 1060
Chris@0 1061 if (scrollables.empty()) {
Chris@0 1062 if (hasLightBackground()) {
Chris@0 1063 paint.setPen(Qt::white);
Chris@0 1064 paint.setBrush(Qt::white);
Chris@0 1065 } else {
Chris@0 1066 paint.setPen(Qt::black);
Chris@0 1067 paint.setBrush(Qt::black);
Chris@0 1068 }
Chris@0 1069 paint.drawRect(nonCacheRect);
Chris@0 1070 }
Chris@0 1071
Chris@0 1072 paint.setPen(Qt::black);
Chris@0 1073 paint.setBrush(Qt::NoBrush);
Chris@0 1074
Chris@0 1075 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@0 1076 (*i)->paint(paint, nonCacheRect);
Chris@0 1077 }
Chris@0 1078
Chris@9 1079 paint.end();
Chris@8 1080
Chris@9 1081 paint.begin(this);
Chris@9 1082 if (e) paint.setClipRect(e->rect());
Chris@9 1083 if (!m_selectionCached) {
Chris@9 1084 drawSelections(paint);
Chris@8 1085 }
Chris@0 1086 paint.end();
Chris@0 1087
Chris@0 1088 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1089
Chris@0 1090 paint.begin(this);
Chris@0 1091
Chris@0 1092 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1093 m_playPointerFrame < getEndFrame()) {
Chris@0 1094
Chris@15 1095 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1096
Chris@0 1097 paint.setPen(Qt::black);
Chris@0 1098 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1099 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1100 paint.drawPoint(playx, 0);
Chris@0 1101 paint.drawPoint(playx, height() - 1);
Chris@0 1102 paint.setPen(Qt::white);
Chris@0 1103 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1104 }
Chris@0 1105
Chris@0 1106 paint.end();
Chris@0 1107 }
Chris@0 1108
Chris@0 1109 QFrame::paintEvent(e);
Chris@0 1110 }
Chris@0 1111
Chris@9 1112 void
Chris@9 1113 View::drawSelections(QPainter &paint)
Chris@9 1114 {
Chris@24 1115 MultiSelection::SelectionList selections;
Chris@9 1116
Chris@9 1117 if (m_manager) {
Chris@9 1118 selections = m_manager->getSelections();
Chris@9 1119 if (m_manager->haveInProgressSelection()) {
Chris@9 1120 bool exclusive;
Chris@9 1121 Selection inProgressSelection =
Chris@9 1122 m_manager->getInProgressSelection(exclusive);
Chris@9 1123 if (exclusive) selections.clear();
Chris@9 1124 selections.insert(inProgressSelection);
Chris@9 1125 }
Chris@9 1126 }
Chris@9 1127
Chris@9 1128 paint.save();
Chris@9 1129 paint.setPen(QColor(150, 150, 255));
Chris@9 1130 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1131
Chris@10 1132 int sampleRate = getModelsSampleRate();
Chris@10 1133
Chris@10 1134 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1135
Chris@24 1136 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@9 1137 i != selections.end(); ++i) {
Chris@9 1138
Chris@15 1139 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1140 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1141
Chris@10 1142 if (p1 < 0 || p0 > width()) continue;
Chris@9 1143
Chris@9 1144 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1145 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1146 #endif
Chris@9 1147
Chris@9 1148 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1149
Chris@10 1150 if (sampleRate && shouldLabelSelections()) {
Chris@10 1151
Chris@10 1152 QString startText = QString("%1 / %2")
Chris@10 1153 .arg(QString::fromStdString
Chris@10 1154 (RealTime::frame2RealTime
Chris@10 1155 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1156 .arg(i->getStartFrame());
Chris@10 1157
Chris@10 1158 QString endText = QString(" %1 / %2")
Chris@10 1159 .arg(QString::fromStdString
Chris@10 1160 (RealTime::frame2RealTime
Chris@10 1161 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1162 .arg(i->getEndFrame());
Chris@10 1163
Chris@10 1164 QString durationText = QString("(%1 / %2) ")
Chris@10 1165 .arg(QString::fromStdString
Chris@10 1166 (RealTime::frame2RealTime
Chris@10 1167 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1168 .toText(true)))
Chris@10 1169 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1170
Chris@10 1171 int sw = metrics.width(startText),
Chris@10 1172 ew = metrics.width(endText),
Chris@10 1173 dw = metrics.width(durationText);
Chris@10 1174
Chris@10 1175 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1176 int ey = sy;
Chris@10 1177 int dy = sy + metrics.height();
Chris@10 1178
Chris@10 1179 int sx = p0 + 2;
Chris@10 1180 int ex = sx;
Chris@10 1181 int dx = sx;
Chris@10 1182
Chris@10 1183 if (sw + ew > (p1 - p0)) {
Chris@10 1184 ey += metrics.height();
Chris@10 1185 dy += metrics.height();
Chris@10 1186 }
Chris@10 1187
Chris@10 1188 if (ew < (p1 - p0)) {
Chris@10 1189 ex = p1 - 2 - ew;
Chris@10 1190 }
Chris@10 1191
Chris@10 1192 if (dw < (p1 - p0)) {
Chris@10 1193 dx = p1 - 2 - dw;
Chris@10 1194 }
Chris@10 1195
Chris@10 1196 paint.drawText(sx, sy, startText);
Chris@10 1197 paint.drawText(ex, ey, endText);
Chris@10 1198 paint.drawText(dx, dy, durationText);
Chris@10 1199 }
Chris@9 1200 }
Chris@9 1201
Chris@9 1202 paint.restore();
Chris@9 1203 }
Chris@9 1204
Chris@3 1205 QString
Chris@3 1206 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1207 {
Chris@3 1208 QString s;
Chris@3 1209
Chris@3 1210 s += indent;
Chris@3 1211
Chris@3 1212 s += QString("<view "
Chris@3 1213 "centre=\"%1\" "
Chris@3 1214 "zoom=\"%2\" "
Chris@3 1215 "followPan=\"%3\" "
Chris@3 1216 "followZoom=\"%4\" "
Chris@3 1217 "tracking=\"%5\" "
Chris@3 1218 "light=\"%6\" %7>\n")
Chris@3 1219 .arg(m_centreFrame)
Chris@3 1220 .arg(m_zoomLevel)
Chris@3 1221 .arg(m_followPan)
Chris@3 1222 .arg(m_followZoom)
Chris@3 1223 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1224 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1225 .arg(m_lightBackground)
Chris@3 1226 .arg(extraAttributes);
Chris@3 1227
Chris@3 1228 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1229 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1230 }
Chris@3 1231
Chris@4 1232 s += indent + "</view>\n";
Chris@3 1233
Chris@3 1234 return s;
Chris@3 1235 }
Chris@3 1236
Chris@3 1237
Chris@0 1238 #ifdef INCLUDE_MOCFILES
Chris@0 1239 #include "View.moc.cpp"
Chris@0 1240 #endif
Chris@0 1241