annotate base/View.cpp @ 18:4563a72c1d8b

* Add Zero Crossings output from zc plugin (as well as Zero Crossings Count) * Use brief friendly names for layers instead of full transform descriptions * Clearer command names for editing commands * Some efficiencies in drawing dense points in TimeInstantLayer
author Chris Cannam
date Tue, 31 Jan 2006 17:19:45 +0000
parents cc98d496d52b
children a7ed14263fe4
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_newModel(true),
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@0 249 void
Chris@0 250 View::setZoomLevel(size_t z)
Chris@0 251 {
Chris@0 252 if (m_zoomLevel != int(z)) {
Chris@0 253 m_zoomLevel = z;
Chris@0 254 emit zoomLevelChanged(this, z, m_followZoom);
Chris@0 255 update();
Chris@0 256 }
Chris@0 257 }
Chris@0 258
Chris@16 259 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@16 260 QProgressBar(parent)
Chris@16 261 {
Chris@16 262 QFont f(font());
Chris@16 263 f.setPointSize(f.pointSize() * 8 / 10);
Chris@16 264 setFont(f);
Chris@16 265 }
Chris@16 266
Chris@0 267 void
Chris@0 268 View::addLayer(Layer *layer)
Chris@0 269 {
Chris@0 270 delete m_cache;
Chris@0 271 m_cache = 0;
Chris@0 272
Chris@0 273 m_layers.push_back(layer);
Chris@0 274
Chris@0 275 m_progressBars[layer] = new LayerProgressBar(this);
Chris@0 276 m_progressBars[layer]->setMinimum(0);
Chris@0 277 m_progressBars[layer]->setMaximum(100);
Chris@0 278 m_progressBars[layer]->setMinimumWidth(80);
Chris@0 279 m_progressBars[layer]->hide();
Chris@16 280
Chris@0 281 connect(layer, SIGNAL(layerParametersChanged()),
Chris@0 282 this, SLOT(layerParametersChanged()));
Chris@0 283 connect(layer, SIGNAL(layerNameChanged()),
Chris@0 284 this, SLOT(layerNameChanged()));
Chris@0 285 connect(layer, SIGNAL(modelChanged()),
Chris@0 286 this, SLOT(modelChanged()));
Chris@0 287 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@0 288 this, SLOT(modelCompletionChanged()));
Chris@0 289 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@0 290 this, SLOT(modelChanged(size_t, size_t)));
Chris@0 291 connect(layer, SIGNAL(modelReplaced()),
Chris@0 292 this, SLOT(modelReplaced()));
Chris@0 293
Chris@0 294 m_newModel = true;
Chris@0 295 update();
Chris@0 296
Chris@0 297 emit propertyContainerAdded(layer);
Chris@0 298 }
Chris@0 299
Chris@0 300 void
Chris@0 301 View::removeLayer(Layer *layer)
Chris@0 302 {
Chris@0 303 if (m_deleting) {
Chris@0 304 return;
Chris@0 305 }
Chris@0 306
Chris@0 307 delete m_cache;
Chris@0 308 m_cache = 0;
Chris@0 309
Chris@0 310 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 311 if (*i == layer) {
Chris@0 312 m_layers.erase(i);
Chris@0 313 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@0 314 delete m_progressBars[layer];
Chris@0 315 m_progressBars.erase(layer);
Chris@0 316 }
Chris@0 317 break;
Chris@0 318 }
Chris@0 319 }
Chris@0 320
Chris@0 321 update();
Chris@0 322
Chris@0 323 emit propertyContainerRemoved(layer);
Chris@0 324 }
Chris@0 325
Chris@8 326 Layer *
Chris@8 327 View::getSelectedLayer()
Chris@8 328 {
Chris@8 329 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@8 330 return getLayer(getLayerCount() - 1);
Chris@8 331 } else {
Chris@8 332 return 0;
Chris@8 333 }
Chris@8 334 }
Chris@8 335
Chris@0 336 void
Chris@0 337 View::setViewManager(ViewManager *manager)
Chris@0 338 {
Chris@0 339 if (m_manager) {
Chris@0 340 m_manager->disconnect(this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 341 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@0 342 disconnect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 343 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 344 disconnect(m_manager, SIGNAL(toolModeChanged()));
Chris@8 345 disconnect(m_manager, SIGNAL(selectionChanged()));
Chris@9 346 disconnect(m_manager, SIGNAL(inProgressSelectionChanged()));
Chris@0 347 }
Chris@0 348
Chris@0 349 m_manager = manager;
Chris@0 350 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@0 351 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@0 352
Chris@0 353 connect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 354 this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 355 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@0 356 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@0 357 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 358 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@8 359 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@8 360 this, SLOT(toolModeChanged()));
Chris@8 361 connect(m_manager, SIGNAL(selectionChanged()),
Chris@9 362 this, SLOT(selectionChanged()));
Chris@9 363 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@9 364 this, SLOT(selectionChanged()));
Chris@0 365
Chris@0 366 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 367 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 368 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 369 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 370
Chris@8 371 toolModeChanged();
Chris@0 372 }
Chris@0 373
Chris@0 374 void
Chris@0 375 View::setFollowGlobalPan(bool f)
Chris@0 376 {
Chris@0 377 m_followPan = f;
Chris@0 378 emit propertyContainerPropertyChanged(this);
Chris@0 379 }
Chris@0 380
Chris@0 381 void
Chris@0 382 View::setFollowGlobalZoom(bool f)
Chris@0 383 {
Chris@0 384 m_followZoom = f;
Chris@0 385 emit propertyContainerPropertyChanged(this);
Chris@0 386 }
Chris@0 387
Chris@0 388 void
Chris@0 389 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 390 {
Chris@0 391 m_followPlay = m;
Chris@0 392 emit propertyContainerPropertyChanged(this);
Chris@0 393 }
Chris@0 394
Chris@0 395 void
Chris@0 396 View::modelChanged()
Chris@0 397 {
Chris@0 398 QObject *obj = sender();
Chris@0 399
Chris@0 400 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 401 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 402 #endif
Chris@0 403 delete m_cache;
Chris@0 404 m_cache = 0;
Chris@0 405
Chris@0 406 checkProgress(obj);
Chris@0 407
Chris@0 408 update();
Chris@0 409 }
Chris@0 410
Chris@0 411 void
Chris@0 412 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 413 {
Chris@0 414 QObject *obj = sender();
Chris@0 415
Chris@0 416 long myStartFrame = getStartFrame();
Chris@0 417 size_t myEndFrame = getEndFrame();
Chris@0 418
Chris@1 419 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 420 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 421 #endif
Chris@1 422
Chris@0 423 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 424 checkProgress(obj);
Chris@0 425 return;
Chris@0 426 }
Chris@0 427 if (startFrame > myEndFrame) {
Chris@0 428 checkProgress(obj);
Chris@0 429 return;
Chris@0 430 }
Chris@0 431
Chris@0 432 delete m_cache;
Chris@0 433 m_cache = 0;
Chris@0 434
Chris@0 435 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 436 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 437
Chris@15 438 int x0 = getXForFrame(startFrame);
Chris@15 439 int x1 = getXForFrame(endFrame + 1);
Chris@15 440 if (x1 < x0) x1 = x0;
Chris@0 441
Chris@0 442 checkProgress(obj);
Chris@0 443
Chris@0 444 update(x0, 0, x1 - x0 + 1, height());
Chris@0 445 }
Chris@0 446
Chris@0 447 void
Chris@0 448 View::modelCompletionChanged()
Chris@0 449 {
Chris@0 450 QObject *obj = sender();
Chris@0 451 checkProgress(obj);
Chris@0 452 }
Chris@0 453
Chris@0 454 void
Chris@0 455 View::modelReplaced()
Chris@0 456 {
Chris@0 457 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 458 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 459 #endif
Chris@1 460 delete m_cache;
Chris@1 461 m_cache = 0;
Chris@1 462
Chris@0 463 m_newModel = true;
Chris@0 464 update();
Chris@0 465 }
Chris@0 466
Chris@0 467 void
Chris@0 468 View::layerParametersChanged()
Chris@0 469 {
Chris@0 470 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 471
Chris@0 472 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 473 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 474 #endif
Chris@0 475
Chris@0 476 delete m_cache;
Chris@0 477 m_cache = 0;
Chris@0 478 update();
Chris@0 479
Chris@0 480 if (layer) {
Chris@0 481 emit propertyContainerPropertyChanged(layer);
Chris@0 482 }
Chris@0 483 }
Chris@0 484
Chris@0 485 void
Chris@0 486 View::layerNameChanged()
Chris@0 487 {
Chris@0 488 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 489 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 490 }
Chris@0 491
Chris@0 492 void
Chris@0 493 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 494 {
Chris@0 495 if (m_followPan && p != this && locked) {
Chris@0 496 if (m_manager && (sender() == m_manager)) {
Chris@0 497 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 498 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 499 #endif
Chris@0 500 setCentreFrame(f);
Chris@0 501 if (p == this) repaint();
Chris@0 502 }
Chris@0 503 }
Chris@0 504 }
Chris@0 505
Chris@0 506 void
Chris@0 507 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 508 {
Chris@0 509 if (m_manager) {
Chris@0 510 if (sender() != m_manager) return;
Chris@0 511 }
Chris@0 512
Chris@0 513 if (m_playPointerFrame == f) return;
Chris@15 514 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 515 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 516 m_playPointerFrame = f;
Chris@0 517 if (!visible) return;
Chris@0 518
Chris@0 519 switch (m_followPlay) {
Chris@0 520
Chris@0 521 case PlaybackScrollContinuous:
Chris@10 522 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@10 523 QApplication::keyboardModifiers() == Qt::NoModifier) {
Chris@0 524 setCentreFrame(f, false);
Chris@0 525 }
Chris@0 526 break;
Chris@0 527
Chris@0 528 case PlaybackScrollPage:
Chris@0 529 {
Chris@15 530 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 531 repaint(xold - 1, 0, 3, height());
Chris@10 532
Chris@15 533 long w = getEndFrame() - getStartFrame();
Chris@0 534 w -= w/5;
Chris@0 535 long sf = (f / w) * w - w/8;
Chris@10 536
Chris@10 537 if (m_manager &&
Chris@10 538 m_manager->isPlaying() &&
Chris@10 539 m_manager->getPlaySelectionMode()) {
Chris@10 540 ViewManager::SelectionList selections = m_manager->getSelections();
Chris@10 541 if (!selections.empty()) {
Chris@10 542 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 543 if (sf < long(selectionStart) - w / 10) {
Chris@10 544 sf = long(selectionStart) - w / 10;
Chris@10 545 }
Chris@10 546 }
Chris@10 547 }
Chris@10 548
Chris@0 549 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 550 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 551 << getStartFrame() << std::endl;
Chris@0 552 #endif
Chris@10 553
Chris@15 554 // We don't consider scrolling unless the pointer is outside
Chris@15 555 // the clearly visible range already
Chris@15 556
Chris@15 557 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 558
Chris@18 559 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 560 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 561 #endif
Chris@18 562
Chris@15 563 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 564 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@15 565 QApplication::keyboardModifiers() == Qt::NoModifier) {
Chris@15 566 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 567 long newCentre = sf + offset;
Chris@15 568 bool changed = setCentreFrame(newCentre, false);
Chris@15 569 if (changed) {
Chris@15 570 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 571 update(xold - 1, 0, 3, height());
Chris@15 572 }
Chris@10 573 }
Chris@10 574 }
Chris@10 575
Chris@0 576 update(xnew - 1, 0, 3, height());
Chris@10 577
Chris@0 578 break;
Chris@0 579 }
Chris@0 580
Chris@0 581 case PlaybackIgnore:
Chris@0 582 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 583 update();
Chris@0 584 }
Chris@0 585 break;
Chris@0 586 }
Chris@0 587 }
Chris@0 588
Chris@0 589 void
Chris@0 590 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 591 {
Chris@0 592 if (m_followZoom && p != this && locked) {
Chris@0 593 if (m_manager && (sender() == m_manager)) {
Chris@0 594 setZoomLevel(z);
Chris@0 595 if (p == this) repaint();
Chris@0 596 }
Chris@0 597 }
Chris@0 598 }
Chris@0 599
Chris@9 600 void
Chris@9 601 View::selectionChanged()
Chris@9 602 {
Chris@9 603 if (m_selectionCached) {
Chris@9 604 delete m_cache;
Chris@9 605 m_cache = 0;
Chris@9 606 m_selectionCached = false;
Chris@9 607 }
Chris@9 608 update();
Chris@9 609 }
Chris@9 610
Chris@0 611 size_t
Chris@0 612 View::getModelsStartFrame() const
Chris@0 613 {
Chris@0 614 bool first = true;
Chris@0 615 size_t startFrame = 0;
Chris@0 616
Chris@0 617 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 618
Chris@0 619 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 620
Chris@0 621 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 622
Chris@0 623 if (first || thisStartFrame < startFrame) {
Chris@0 624 startFrame = thisStartFrame;
Chris@0 625 }
Chris@0 626 first = false;
Chris@0 627 }
Chris@0 628 }
Chris@0 629 return startFrame;
Chris@0 630 }
Chris@0 631
Chris@0 632 size_t
Chris@0 633 View::getModelsEndFrame() const
Chris@0 634 {
Chris@0 635 bool first = true;
Chris@0 636 size_t endFrame = 0;
Chris@0 637
Chris@0 638 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 639
Chris@0 640 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 641
Chris@0 642 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 643
Chris@0 644 if (first || thisEndFrame > endFrame) {
Chris@0 645 endFrame = thisEndFrame;
Chris@0 646 }
Chris@0 647 first = false;
Chris@0 648 }
Chris@0 649 }
Chris@0 650
Chris@0 651 if (first) return getModelsStartFrame();
Chris@0 652 return endFrame;
Chris@0 653 }
Chris@0 654
Chris@0 655 int
Chris@0 656 View::getModelsSampleRate() const
Chris@0 657 {
Chris@0 658 //!!! Just go for the first, for now. If we were supporting
Chris@0 659 // multiple samplerates, we'd probably want to do frame/time
Chris@0 660 // conversion in the model
Chris@0 661
Chris@0 662 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 663 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 664 return (*i)->getModel()->getSampleRate();
Chris@0 665 }
Chris@0 666 }
Chris@0 667 return 0;
Chris@0 668 }
Chris@0 669
Chris@0 670 bool
Chris@0 671 View::areLayersScrollable() const
Chris@0 672 {
Chris@0 673 // True iff all views are scrollable
Chris@0 674 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 675 if (!(*i)->isLayerScrollable()) return false;
Chris@0 676 }
Chris@0 677 return true;
Chris@0 678 }
Chris@0 679
Chris@0 680 View::LayerList
Chris@0 681 View::getScrollableBackLayers(bool &changed) const
Chris@0 682 {
Chris@0 683 changed = false;
Chris@0 684
Chris@0 685 LayerList scrollables;
Chris@0 686 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 687 if ((*i)->isLayerScrollable()) scrollables.push_back(*i);
Chris@0 688 else {
Chris@0 689 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 690 m_lastScrollableBackLayers = scrollables;
Chris@0 691 changed = true;
Chris@0 692 }
Chris@0 693 return scrollables;
Chris@0 694 }
Chris@0 695 }
Chris@0 696
Chris@0 697 if (scrollables.size() == 1 &&
Chris@0 698 dynamic_cast<TimeRulerLayer *>(*scrollables.begin())) {
Chris@0 699
Chris@0 700 // If only the ruler is scrollable, it's not worth the bother
Chris@0 701 // -- it probably redraws as quickly as it refreshes from
Chris@0 702 // cache
Chris@0 703 scrollables.clear();
Chris@0 704 }
Chris@0 705
Chris@0 706 if (scrollables != m_lastScrollableBackLayers) {
Chris@0 707 m_lastScrollableBackLayers = scrollables;
Chris@0 708 changed = true;
Chris@0 709 }
Chris@0 710 return scrollables;
Chris@0 711 }
Chris@0 712
Chris@0 713 View::LayerList
Chris@0 714 View::getNonScrollableFrontLayers(bool &changed) const
Chris@0 715 {
Chris@0 716 changed = false;
Chris@0 717 LayerList scrollables = getScrollableBackLayers(changed);
Chris@0 718 LayerList nonScrollables;
Chris@0 719
Chris@0 720 // Everything in front of the first non-scrollable from the back
Chris@0 721 // should also be considered non-scrollable
Chris@0 722
Chris@0 723 size_t count = 0;
Chris@0 724 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 725 if (count < scrollables.size()) {
Chris@0 726 ++count;
Chris@0 727 continue;
Chris@0 728 }
Chris@0 729 nonScrollables.push_back(*i);
Chris@0 730 }
Chris@0 731
Chris@0 732 if (nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 733 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 734 changed = true;
Chris@0 735 }
Chris@0 736
Chris@0 737 return nonScrollables;
Chris@0 738 }
Chris@0 739
Chris@0 740 size_t
Chris@0 741 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 742 ZoomConstraint::RoundingDirection dir)
Chris@0 743 const
Chris@0 744 {
Chris@0 745 size_t candidate = blockSize;
Chris@0 746 bool haveCandidate = false;
Chris@0 747
Chris@0 748 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 749
Chris@0 750 if ((*i)->getZoomConstraint()) {
Chris@0 751
Chris@0 752 size_t thisBlockSize =
Chris@0 753 (*i)->getZoomConstraint()->getNearestBlockSize
Chris@0 754 (blockSize, dir);
Chris@0 755
Chris@0 756 // Go for the block size that's furthest from the one
Chris@0 757 // passed in. Most of the time, that's what we want.
Chris@0 758 if (!haveCandidate ||
Chris@0 759 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@0 760 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@0 761 candidate = thisBlockSize;
Chris@0 762 haveCandidate = true;
Chris@0 763 }
Chris@0 764 }
Chris@0 765 }
Chris@0 766
Chris@0 767 return candidate;
Chris@0 768 }
Chris@0 769
Chris@0 770 void
Chris@0 771 View::zoom(bool in)
Chris@0 772 {
Chris@0 773 int newZoomLevel = m_zoomLevel;
Chris@0 774
Chris@0 775 if (in) {
Chris@0 776 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 777 ZoomConstraint::RoundDown);
Chris@0 778 } else {
Chris@0 779 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 780 ZoomConstraint::RoundUp);
Chris@0 781 }
Chris@0 782
Chris@0 783 if (newZoomLevel != m_zoomLevel) {
Chris@0 784 setZoomLevel(newZoomLevel);
Chris@0 785 }
Chris@0 786 }
Chris@0 787
Chris@0 788 void
Chris@12 789 View::scroll(bool right, bool lots)
Chris@12 790 {
Chris@12 791 long delta;
Chris@12 792 if (lots) {
Chris@15 793 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 794 } else {
Chris@15 795 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 796 }
Chris@12 797 if (right) delta = -delta;
Chris@12 798
Chris@12 799 if (int(m_centreFrame) < delta) {
Chris@12 800 setCentreFrame(0);
Chris@12 801 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 802 setCentreFrame(getModelsEndFrame());
Chris@12 803 } else {
Chris@12 804 setCentreFrame(m_centreFrame - delta);
Chris@12 805 }
Chris@12 806 }
Chris@12 807
Chris@12 808 void
Chris@0 809 View::checkProgress(void *object)
Chris@0 810 {
Chris@0 811 // std::cerr << "View::checkProgress(" << object << ")" << std::endl;
Chris@0 812
Chris@0 813 if (!m_showProgress) return;
Chris@0 814
Chris@0 815 int ph = height();
Chris@0 816
Chris@0 817 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 818 i != m_progressBars.end(); ++i) {
Chris@0 819
Chris@0 820 if (i->first == object) {
Chris@0 821
Chris@0 822 int completion = i->first->getCompletion();
Chris@0 823
Chris@0 824 if (completion >= 100) {
Chris@0 825
Chris@0 826 i->second->hide();
Chris@0 827
Chris@0 828 } else {
Chris@0 829
Chris@0 830 i->second->setText(i->first->getPropertyContainerName());
Chris@0 831 i->second->setValue(completion);
Chris@0 832 i->second->move(0, ph - i->second->height());
Chris@0 833
Chris@0 834 i->second->show();
Chris@0 835 i->second->update();
Chris@0 836
Chris@0 837 ph -= i->second->height();
Chris@0 838 }
Chris@0 839 } else {
Chris@0 840 if (i->second->isVisible()) {
Chris@0 841 ph -= i->second->height();
Chris@0 842 }
Chris@0 843 }
Chris@0 844 }
Chris@0 845 }
Chris@0 846 /*!!!
Chris@0 847 void
Chris@0 848 View::identifyLocalFeatures(bool on, int x, int y)
Chris@0 849 {
Chris@0 850 for (LayerList::const_iterator i = m_layers.end(); i != m_layers.begin(); ) {
Chris@0 851 --i;
Chris@0 852 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 853 std::cerr << "View::identifyLocalFeatures: calling on " << *i << std::endl;
Chris@0 854 #endif
Chris@0 855 if ((*i)->identifyLocalFeatures(on, x, y)) break;
Chris@0 856 }
Chris@0 857 }
Chris@0 858 */
Chris@0 859
Chris@0 860 void
Chris@0 861 View::paintEvent(QPaintEvent *e)
Chris@0 862 {
Chris@0 863 // Profiler prof("View::paintEvent", true);
Chris@0 864 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 865
Chris@0 866 if (m_layers.empty()) {
Chris@0 867 QFrame::paintEvent(e);
Chris@0 868 return;
Chris@0 869 }
Chris@0 870
Chris@0 871 if (m_newModel) {
Chris@0 872 m_newModel = false;
Chris@0 873 }
Chris@0 874
Chris@0 875 // ensure our constraints are met
Chris@0 876 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 877 ZoomConstraint::RoundUp);
Chris@0 878
Chris@0 879 QPainter paint;
Chris@0 880 bool repaintCache = false;
Chris@0 881 bool paintedCacheRect = false;
Chris@0 882
Chris@0 883 QRect cacheRect(rect());
Chris@0 884
Chris@0 885 if (e) {
Chris@0 886 cacheRect &= e->rect();
Chris@0 887 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 888 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 889 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 890 #endif
Chris@0 891 }
Chris@0 892
Chris@0 893 QRect nonCacheRect(cacheRect);
Chris@0 894
Chris@0 895 // If not all layers are scrollable, but some of the back layers
Chris@0 896 // are, we should store only those in the cache
Chris@0 897
Chris@0 898 bool layersChanged = false;
Chris@0 899 LayerList scrollables = getScrollableBackLayers(layersChanged);
Chris@0 900 LayerList nonScrollables = getNonScrollableFrontLayers(layersChanged);
Chris@9 901 bool selectionCacheable = nonScrollables.empty();
Chris@9 902 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 903 bool selectionDrawn = false;
Chris@0 904
Chris@10 905 if (!selectionCacheable) {
Chris@10 906 selectionCacheable = true;
Chris@10 907 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 908 i != nonScrollables.end(); ++i) {
Chris@10 909 if ((*i)->isLayerOpaque()) {
Chris@10 910 selectionCacheable = false;
Chris@10 911 break;
Chris@10 912 }
Chris@10 913 }
Chris@10 914 }
Chris@10 915
Chris@0 916 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 917 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 918 << " scrollable back layers and " << nonScrollables.size()
Chris@0 919 << " non-scrollable front layers" << std::endl;
Chris@9 920 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 921 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 922 #endif
Chris@0 923
Chris@9 924 if (layersChanged || scrollables.empty() ||
Chris@9 925 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 926 delete m_cache;
Chris@0 927 m_cache = 0;
Chris@9 928 m_selectionCached = false;
Chris@0 929 }
Chris@0 930
Chris@0 931 if (!scrollables.empty()) {
Chris@0 932 if (!m_cache ||
Chris@0 933 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 934 width() != m_cache->width() ||
Chris@0 935 height() != m_cache->height()) {
Chris@0 936
Chris@0 937 // cache is not valid
Chris@0 938
Chris@0 939 if (cacheRect.width() < width()/10) {
Chris@0 940 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 941 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 942 #endif
Chris@0 943 } else {
Chris@0 944 delete m_cache;
Chris@0 945 m_cache = new QPixmap(width(), height());
Chris@0 946 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 947 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 948 #endif
Chris@0 949 cacheRect = rect();
Chris@0 950 repaintCache = true;
Chris@0 951 }
Chris@0 952
Chris@0 953 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 954
Chris@15 955 long dx =
Chris@15 956 getXForFrame(m_cacheCentreFrame) -
Chris@15 957 getXForFrame(m_centreFrame);
Chris@0 958
Chris@0 959 if (dx > -width() && dx < width()) {
Chris@0 960 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 961 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 962 // or Mac (it only works when moving in one direction)
Chris@0 963 static QPixmap *tmpPixmap = 0;
Chris@0 964 if (!tmpPixmap ||
Chris@0 965 tmpPixmap->width() != width() ||
Chris@0 966 tmpPixmap->height() != height()) {
Chris@0 967 delete tmpPixmap;
Chris@0 968 tmpPixmap = new QPixmap(width(), height());
Chris@0 969 }
Chris@0 970 paint.begin(tmpPixmap);
Chris@0 971 paint.drawPixmap(0, 0, *m_cache);
Chris@0 972 paint.end();
Chris@0 973 paint.begin(m_cache);
Chris@0 974 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 975 paint.end();
Chris@0 976 #else
Chris@0 977 // But it seems to be fine on X11
Chris@0 978 paint.begin(m_cache);
Chris@0 979 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 980 paint.end();
Chris@0 981 #endif
Chris@0 982
Chris@0 983 if (dx < 0) {
Chris@0 984 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 985 } else {
Chris@0 986 cacheRect = QRect(0, 0, dx, height());
Chris@0 987 }
Chris@0 988 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 989 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 990 #endif
Chris@0 991 } else {
Chris@0 992 cacheRect = rect();
Chris@0 993 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 994 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 995 #endif
Chris@0 996 }
Chris@0 997 repaintCache = true;
Chris@0 998
Chris@0 999 } else {
Chris@0 1000 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1001 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 1002 #endif
Chris@0 1003 paint.begin(this);
Chris@0 1004 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1005 paint.end();
Chris@0 1006 QFrame::paintEvent(e);
Chris@0 1007 paintedCacheRect = true;
Chris@0 1008 }
Chris@0 1009
Chris@0 1010 m_cacheCentreFrame = m_centreFrame;
Chris@0 1011 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1012 }
Chris@0 1013
Chris@0 1014 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1015 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1016 #endif
Chris@0 1017
Chris@0 1018 // Scrollable (cacheable) items first
Chris@0 1019
Chris@0 1020 if (!paintedCacheRect) {
Chris@0 1021
Chris@0 1022 if (repaintCache) paint.begin(m_cache);
Chris@0 1023 else paint.begin(this);
Chris@0 1024
Chris@0 1025 paint.setClipRect(cacheRect);
Chris@0 1026
Chris@0 1027 if (hasLightBackground()) {
Chris@0 1028 paint.setPen(Qt::white);
Chris@0 1029 paint.setBrush(Qt::white);
Chris@0 1030 } else {
Chris@0 1031 paint.setPen(Qt::black);
Chris@0 1032 paint.setBrush(Qt::black);
Chris@0 1033 }
Chris@0 1034 paint.drawRect(cacheRect);
Chris@0 1035
Chris@0 1036 paint.setPen(Qt::black);
Chris@0 1037 paint.setBrush(Qt::NoBrush);
Chris@0 1038
Chris@0 1039 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1040 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1041 paint.save();
Chris@0 1042 (*i)->paint(paint, cacheRect);
Chris@8 1043 paint.restore();
Chris@0 1044 }
Chris@9 1045
Chris@9 1046 if (haveSelections && selectionCacheable) {
Chris@9 1047 drawSelections(paint);
Chris@9 1048 m_selectionCached = repaintCache;
Chris@9 1049 selectionDrawn = true;
Chris@9 1050 }
Chris@0 1051
Chris@0 1052 paint.end();
Chris@0 1053
Chris@0 1054 if (repaintCache) {
Chris@0 1055 cacheRect |= (e ? e->rect() : rect());
Chris@0 1056 paint.begin(this);
Chris@0 1057 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1058 paint.end();
Chris@0 1059 }
Chris@0 1060 }
Chris@0 1061
Chris@0 1062 // Now non-cacheable items. We always need to redraw the
Chris@0 1063 // non-cacheable items across at least the area we drew of the
Chris@0 1064 // cacheable items.
Chris@0 1065
Chris@0 1066 nonCacheRect |= cacheRect;
Chris@0 1067
Chris@0 1068 paint.begin(this);
Chris@0 1069 paint.setClipRect(nonCacheRect);
Chris@0 1070
Chris@0 1071 if (scrollables.empty()) {
Chris@0 1072 if (hasLightBackground()) {
Chris@0 1073 paint.setPen(Qt::white);
Chris@0 1074 paint.setBrush(Qt::white);
Chris@0 1075 } else {
Chris@0 1076 paint.setPen(Qt::black);
Chris@0 1077 paint.setBrush(Qt::black);
Chris@0 1078 }
Chris@0 1079 paint.drawRect(nonCacheRect);
Chris@0 1080 }
Chris@0 1081
Chris@0 1082 paint.setPen(Qt::black);
Chris@0 1083 paint.setBrush(Qt::NoBrush);
Chris@0 1084
Chris@0 1085 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@0 1086 (*i)->paint(paint, nonCacheRect);
Chris@0 1087 }
Chris@0 1088
Chris@9 1089 paint.end();
Chris@8 1090
Chris@9 1091 paint.begin(this);
Chris@9 1092 if (e) paint.setClipRect(e->rect());
Chris@9 1093 if (!m_selectionCached) {
Chris@9 1094 drawSelections(paint);
Chris@8 1095 }
Chris@0 1096 paint.end();
Chris@0 1097
Chris@0 1098 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1099
Chris@0 1100 paint.begin(this);
Chris@0 1101
Chris@0 1102 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1103 m_playPointerFrame < getEndFrame()) {
Chris@0 1104
Chris@15 1105 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1106
Chris@0 1107 paint.setPen(Qt::black);
Chris@0 1108 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1109 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1110 paint.drawPoint(playx, 0);
Chris@0 1111 paint.drawPoint(playx, height() - 1);
Chris@0 1112 paint.setPen(Qt::white);
Chris@0 1113 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1114 }
Chris@0 1115
Chris@0 1116 paint.end();
Chris@0 1117 }
Chris@0 1118
Chris@0 1119 QFrame::paintEvent(e);
Chris@0 1120 }
Chris@0 1121
Chris@9 1122 void
Chris@9 1123 View::drawSelections(QPainter &paint)
Chris@9 1124 {
Chris@9 1125 ViewManager::SelectionList selections;
Chris@9 1126
Chris@9 1127 if (m_manager) {
Chris@9 1128 selections = m_manager->getSelections();
Chris@9 1129 if (m_manager->haveInProgressSelection()) {
Chris@9 1130 bool exclusive;
Chris@9 1131 Selection inProgressSelection =
Chris@9 1132 m_manager->getInProgressSelection(exclusive);
Chris@9 1133 if (exclusive) selections.clear();
Chris@9 1134 selections.insert(inProgressSelection);
Chris@9 1135 }
Chris@9 1136 }
Chris@9 1137
Chris@9 1138 paint.save();
Chris@9 1139 paint.setPen(QColor(150, 150, 255));
Chris@9 1140 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1141
Chris@10 1142 int sampleRate = getModelsSampleRate();
Chris@10 1143
Chris@10 1144 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1145
Chris@9 1146 for (ViewManager::SelectionList::iterator i = selections.begin();
Chris@9 1147 i != selections.end(); ++i) {
Chris@9 1148
Chris@15 1149 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1150 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1151
Chris@10 1152 if (p1 < 0 || p0 > width()) continue;
Chris@9 1153
Chris@9 1154 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1155 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1156 #endif
Chris@9 1157
Chris@9 1158 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1159
Chris@10 1160 if (sampleRate && shouldLabelSelections()) {
Chris@10 1161
Chris@10 1162 QString startText = QString("%1 / %2")
Chris@10 1163 .arg(QString::fromStdString
Chris@10 1164 (RealTime::frame2RealTime
Chris@10 1165 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1166 .arg(i->getStartFrame());
Chris@10 1167
Chris@10 1168 QString endText = QString(" %1 / %2")
Chris@10 1169 .arg(QString::fromStdString
Chris@10 1170 (RealTime::frame2RealTime
Chris@10 1171 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1172 .arg(i->getEndFrame());
Chris@10 1173
Chris@10 1174 QString durationText = QString("(%1 / %2) ")
Chris@10 1175 .arg(QString::fromStdString
Chris@10 1176 (RealTime::frame2RealTime
Chris@10 1177 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1178 .toText(true)))
Chris@10 1179 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1180
Chris@10 1181 int sw = metrics.width(startText),
Chris@10 1182 ew = metrics.width(endText),
Chris@10 1183 dw = metrics.width(durationText);
Chris@10 1184
Chris@10 1185 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1186 int ey = sy;
Chris@10 1187 int dy = sy + metrics.height();
Chris@10 1188
Chris@10 1189 int sx = p0 + 2;
Chris@10 1190 int ex = sx;
Chris@10 1191 int dx = sx;
Chris@10 1192
Chris@10 1193 if (sw + ew > (p1 - p0)) {
Chris@10 1194 ey += metrics.height();
Chris@10 1195 dy += metrics.height();
Chris@10 1196 }
Chris@10 1197
Chris@10 1198 if (ew < (p1 - p0)) {
Chris@10 1199 ex = p1 - 2 - ew;
Chris@10 1200 }
Chris@10 1201
Chris@10 1202 if (dw < (p1 - p0)) {
Chris@10 1203 dx = p1 - 2 - dw;
Chris@10 1204 }
Chris@10 1205
Chris@10 1206 paint.drawText(sx, sy, startText);
Chris@10 1207 paint.drawText(ex, ey, endText);
Chris@10 1208 paint.drawText(dx, dy, durationText);
Chris@10 1209 }
Chris@9 1210 }
Chris@9 1211
Chris@9 1212 paint.restore();
Chris@9 1213 }
Chris@9 1214
Chris@3 1215 QString
Chris@3 1216 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1217 {
Chris@3 1218 QString s;
Chris@3 1219
Chris@3 1220 s += indent;
Chris@3 1221
Chris@3 1222 s += QString("<view "
Chris@3 1223 "centre=\"%1\" "
Chris@3 1224 "zoom=\"%2\" "
Chris@3 1225 "followPan=\"%3\" "
Chris@3 1226 "followZoom=\"%4\" "
Chris@3 1227 "tracking=\"%5\" "
Chris@3 1228 "light=\"%6\" %7>\n")
Chris@3 1229 .arg(m_centreFrame)
Chris@3 1230 .arg(m_zoomLevel)
Chris@3 1231 .arg(m_followPan)
Chris@3 1232 .arg(m_followZoom)
Chris@3 1233 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1234 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1235 .arg(m_lightBackground)
Chris@3 1236 .arg(extraAttributes);
Chris@3 1237
Chris@3 1238 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1239 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1240 }
Chris@3 1241
Chris@4 1242 s += indent + "</view>\n";
Chris@3 1243
Chris@3 1244 return s;
Chris@3 1245 }
Chris@3 1246
Chris@3 1247
Chris@0 1248 #ifdef INCLUDE_MOCFILES
Chris@0 1249 #include "View.moc.cpp"
Chris@0 1250 #endif
Chris@0 1251