annotate base/View.cpp @ 61:749b5521e082

* adjust for latency if the plugin reports it
author Chris Cannam
date Mon, 27 Mar 2006 16:15:19 +0000
parents 709d63d90028
children e1aad27029e3
rev   line source
Chris@49 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@52 4 Sonic Visualiser
Chris@52 5 An audio file viewer and annotation editor.
Chris@52 6 Centre for Digital Music, Queen Mary, University of London.
Chris@52 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@52 9 This program is free software; you can redistribute it and/or
Chris@52 10 modify it under the terms of the GNU General Public License as
Chris@52 11 published by the Free Software Foundation; either version 2 of the
Chris@52 12 License, or (at your option) any later version. See the file
Chris@52 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "base/View.h"
Chris@0 17 #include "base/Layer.h"
Chris@0 18 #include "base/Model.h"
Chris@0 19 #include "base/ZoomConstraint.h"
Chris@0 20 #include "base/Profiler.h"
Chris@0 21
Chris@0 22 #include "layer/TimeRulerLayer.h" //!!! damn, shouldn't be including that here
Chris@25 23 #include "model/PowerOfSqrtTwoZoomConstraint.h" //!!! likewise
Chris@0 24
Chris@0 25 #include <QPainter>
Chris@0 26 #include <QPaintEvent>
Chris@0 27 #include <QRect>
Chris@0 28 #include <QApplication>
Chris@0 29
Chris@0 30 #include <iostream>
Chris@16 31 #include <cassert>
Martin@37 32 #include <math.h>
Chris@0 33
Chris@18 34 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@0 35
Chris@0 36 using std::cerr;
Chris@0 37 using std::endl;
Chris@0 38
Chris@0 39 View::View(QWidget *w, bool showProgress) :
Chris@0 40 QFrame(w),
Chris@0 41 m_centreFrame(0),
Chris@0 42 m_zoomLevel(1024),
Chris@0 43 m_followPan(true),
Chris@0 44 m_followZoom(true),
Chris@0 45 m_followPlay(PlaybackScrollPage),
Chris@0 46 m_lightBackground(true),
Chris@0 47 m_showProgress(showProgress),
Chris@0 48 m_cache(0),
Chris@0 49 m_cacheCentreFrame(0),
Chris@0 50 m_cacheZoomLevel(1024),
Chris@9 51 m_selectionCached(false),
Chris@0 52 m_deleting(false),
Chris@8 53 m_haveSelectedLayer(false),
Chris@29 54 m_manager(0),
Chris@29 55 m_propertyContainer(new ViewPropertyContainer(this))
Chris@0 56 {
Chris@0 57 // QWidget::setAttribute(Qt::WA_PaintOnScreen);
Chris@0 58 }
Chris@0 59
Chris@0 60 View::~View()
Chris@0 61 {
Chris@43 62 std::cerr << "View::~View(" << this << ")" << std::endl;
Chris@43 63
Chris@0 64 m_deleting = true;
Chris@29 65 delete m_propertyContainer;
Chris@0 66 }
Chris@0 67
Chris@0 68 PropertyContainer::PropertyList
Chris@0 69 View::getProperties() const
Chris@0 70 {
Chris@29 71 PropertyContainer::PropertyList list;
Chris@0 72 list.push_back(tr("Global Scroll"));
Chris@0 73 list.push_back(tr("Global Zoom"));
Chris@0 74 list.push_back(tr("Follow Playback"));
Chris@0 75 return list;
Chris@0 76 }
Chris@0 77
Chris@0 78 PropertyContainer::PropertyType
Chris@29 79 View::getPropertyType(const PropertyContainer::PropertyName &name) const
Chris@0 80 {
Chris@29 81 if (name == tr("Global Scroll")) return PropertyContainer::ToggleProperty;
Chris@29 82 if (name == tr("Global Zoom")) return PropertyContainer::ToggleProperty;
Chris@29 83 if (name == tr("Follow Playback")) return PropertyContainer::ValueProperty;
Chris@29 84 return PropertyContainer::InvalidProperty;
Chris@0 85 }
Chris@0 86
Chris@0 87 int
Chris@29 88 View::getPropertyRangeAndValue(const PropertyContainer::PropertyName &name,
Chris@29 89 int *min, int *max) const
Chris@0 90 {
Chris@0 91 if (name == tr("Global Scroll")) return m_followPan;
Chris@0 92 if (name == tr("Global Zoom")) return m_followZoom;
Chris@29 93 if (name == tr("Follow Playback")) {
Chris@29 94 if (min) *min = 0;
Chris@29 95 if (max) *max = 2;
Chris@29 96 return int(m_followPlay);
Chris@29 97 }
Chris@29 98 if (min) *min = 0;
Chris@29 99 if (max) *max = 0;
Chris@29 100 return 0;
Chris@0 101 }
Chris@0 102
Chris@0 103 QString
Chris@29 104 View::getPropertyValueLabel(const PropertyContainer::PropertyName &name,
Chris@29 105 int value) const
Chris@0 106 {
Chris@0 107 if (name == tr("Follow Playback")) {
Chris@0 108 switch (value) {
Chris@0 109 default:
Chris@0 110 case 0: return tr("Scroll");
Chris@0 111 case 1: return tr("Page");
Chris@0 112 case 2: return tr("Off");
Chris@0 113 }
Chris@0 114 }
Chris@0 115 return tr("<unknown>");
Chris@0 116 }
Chris@0 117
Chris@0 118 void
Chris@29 119 View::setProperty(const PropertyContainer::PropertyName &name, int value)
Chris@0 120 {
Chris@0 121 if (name == tr("Global Scroll")) {
Chris@0 122 setFollowGlobalPan(value != 0);
Chris@0 123 } else if (name == tr("Global Zoom")) {
Chris@0 124 setFollowGlobalZoom(value != 0);
Chris@0 125 } else if (name == tr("Follow Playback")) {
Chris@0 126 switch (value) {
Chris@0 127 default:
Chris@0 128 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@0 129 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@0 130 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@0 131 }
Chris@0 132 }
Chris@0 133 }
Chris@0 134
Chris@0 135 size_t
Chris@0 136 View::getPropertyContainerCount() const
Chris@0 137 {
Chris@0 138 return m_layers.size() + 1; // the 1 is for me
Chris@0 139 }
Chris@0 140
Chris@0 141 const PropertyContainer *
Chris@0 142 View::getPropertyContainer(size_t i) const
Chris@0 143 {
Chris@0 144 return (const PropertyContainer *)(((View *)this)->
Chris@0 145 getPropertyContainer(i));
Chris@0 146 }
Chris@0 147
Chris@0 148 PropertyContainer *
Chris@0 149 View::getPropertyContainer(size_t i)
Chris@0 150 {
Chris@29 151 if (i == 0) return m_propertyContainer;
Chris@0 152 return m_layers[i-1];
Chris@0 153 }
Chris@0 154
Chris@0 155 void
Chris@44 156 View::propertyContainerSelected(View *client, PropertyContainer *pc)
Chris@0 157 {
Chris@44 158 if (client != this) return;
Chris@44 159
Chris@29 160 if (pc == m_propertyContainer) {
Chris@8 161 if (m_haveSelectedLayer) {
Chris@8 162 m_haveSelectedLayer = false;
Chris@8 163 update();
Chris@8 164 }
Chris@8 165 return;
Chris@8 166 }
Chris@0 167
Chris@0 168 delete m_cache;
Chris@0 169 m_cache = 0;
Chris@0 170
Chris@0 171 Layer *selectedLayer = 0;
Chris@0 172
Chris@0 173 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 174 if (*i == pc) {
Chris@0 175 selectedLayer = *i;
Chris@0 176 m_layers.erase(i);
Chris@0 177 break;
Chris@0 178 }
Chris@0 179 }
Chris@0 180
Chris@0 181 if (selectedLayer) {
Chris@8 182 m_haveSelectedLayer = true;
Chris@0 183 m_layers.push_back(selectedLayer);
Chris@0 184 update();
Chris@8 185 } else {
Chris@8 186 m_haveSelectedLayer = false;
Chris@0 187 }
Chris@0 188 }
Chris@0 189
Chris@8 190 void
Chris@8 191 View::toolModeChanged()
Chris@8 192 {
Chris@8 193 std::cerr << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << std::endl;
Chris@8 194 }
Chris@8 195
Chris@0 196 long
Chris@0 197 View::getStartFrame() const
Chris@0 198 {
Chris@0 199 size_t w2 = (width() / 2) * m_zoomLevel;
Chris@0 200 size_t frame = m_centreFrame;
Chris@0 201 if (frame >= w2) {
Chris@0 202 frame -= w2;
Chris@0 203 return (frame / m_zoomLevel * m_zoomLevel);
Chris@0 204 } else {
Chris@0 205 frame = w2 - frame;
Chris@0 206 frame = frame / m_zoomLevel * m_zoomLevel;
Chris@0 207 return -(long)frame - m_zoomLevel;
Chris@0 208 }
Chris@0 209 }
Chris@0 210
Chris@0 211 size_t
Chris@0 212 View::getEndFrame() const
Chris@0 213 {
Chris@16 214 return getFrameForX(width()) - 1;
Chris@0 215 }
Chris@0 216
Chris@0 217 void
Chris@0 218 View::setStartFrame(long f)
Chris@0 219 {
Chris@0 220 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@0 221 }
Chris@0 222
Chris@10 223 bool
Chris@0 224 View::setCentreFrame(size_t f, bool e)
Chris@0 225 {
Chris@10 226 bool changeVisible = false;
Chris@10 227
Chris@0 228 if (m_centreFrame != f) {
Chris@0 229
Chris@0 230 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@0 231
Chris@0 232 m_centreFrame = f;
Chris@0 233
Chris@0 234 int newPixel = m_centreFrame / m_zoomLevel;
Chris@0 235
Chris@0 236 if (newPixel != formerPixel) {
Chris@0 237
Chris@0 238 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 239 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@0 240 #endif
Chris@0 241 update();
Chris@10 242
Chris@10 243 changeVisible = true;
Chris@0 244 }
Chris@0 245
Chris@0 246 if (e) emit centreFrameChanged(this, f, m_followPan);
Chris@0 247 }
Chris@10 248
Chris@10 249 return changeVisible;
Chris@0 250 }
Chris@0 251
Chris@15 252 int
Chris@15 253 View::getXForFrame(long frame) const
Chris@15 254 {
Chris@15 255 return (frame - getStartFrame()) / m_zoomLevel;
Chris@15 256 }
Chris@15 257
Chris@15 258 long
Chris@15 259 View::getFrameForX(int x) const
Chris@15 260 {
Chris@15 261 return (long(x) * long(m_zoomLevel)) + getStartFrame();
Chris@15 262 }
Chris@15 263
Chris@33 264 float
Chris@33 265 View::getYForFrequency(float frequency,
Chris@33 266 float minf,
Chris@33 267 float maxf,
Chris@33 268 bool logarithmic) const
Chris@33 269 {
Chris@33 270 int h = height();
Chris@33 271
Chris@33 272 if (logarithmic) {
Chris@33 273
Chris@33 274 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@33 275 static float logminf = 0.0, logmaxf = 0.0;
Chris@33 276
Chris@33 277 if (lastminf != minf) {
Chris@33 278 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@33 279 logminf = log10f(minf);
Chris@33 280 }
Chris@33 281 if (lastmaxf != maxf) {
Chris@33 282 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@33 283 logmaxf = log10f(maxf);
Chris@33 284 }
Chris@33 285
Chris@33 286 if (logminf == logmaxf) return 0;
Chris@33 287 return h - (h * (log10f(frequency) - logminf)) / (logmaxf - logminf);
Chris@33 288
Chris@33 289 } else {
Chris@33 290
Chris@33 291 if (minf == maxf) return 0;
Chris@33 292 return h - (h * (frequency - minf)) / (maxf - minf);
Chris@33 293 }
Chris@33 294 }
Chris@33 295
Chris@33 296 float
Chris@33 297 View::getFrequencyForY(int y,
Chris@33 298 float minf,
Chris@33 299 float maxf,
Chris@33 300 bool logarithmic) const
Chris@33 301 {
Chris@33 302 int h = height();
Chris@33 303
Chris@33 304 if (logarithmic) {
Chris@33 305
Chris@33 306 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@33 307 static float logminf = 0.0, logmaxf = 0.0;
Chris@33 308
Chris@33 309 if (lastminf != minf) {
Chris@33 310 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@33 311 logminf = log10f(minf);
Chris@33 312 }
Chris@33 313 if (lastmaxf != maxf) {
Chris@33 314 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@33 315 logmaxf = log10f(maxf);
Chris@33 316 }
Chris@33 317
Chris@33 318 if (logminf == logmaxf) return 0;
Chris@33 319 return pow(10.f, logminf + ((logmaxf - logminf) * (h - y)) / h);
Chris@33 320
Chris@33 321 } else {
Chris@33 322
Chris@33 323 if (minf == maxf) return 0;
Chris@33 324 return minf + ((h - y) * (maxf - minf)) / h;
Chris@33 325 }
Chris@33 326 }
Chris@33 327
Chris@22 328 int
Chris@22 329 View::getZoomLevel() const
Chris@22 330 {
Martin@54 331 #ifdef DEBUG_VIEW_WIDGET_PAINT
Martin@54 332 std::cout << "zoom level: " << m_zoomLevel << std::endl;
Martin@54 333 #endif
Chris@22 334 return m_zoomLevel;
Chris@22 335 }
Chris@22 336
Chris@0 337 void
Chris@0 338 View::setZoomLevel(size_t z)
Chris@0 339 {
Chris@0 340 if (m_zoomLevel != int(z)) {
Chris@0 341 m_zoomLevel = z;
Chris@0 342 emit zoomLevelChanged(this, z, m_followZoom);
Chris@0 343 update();
Chris@0 344 }
Chris@0 345 }
Chris@0 346
Chris@16 347 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@16 348 QProgressBar(parent)
Chris@16 349 {
Chris@16 350 QFont f(font());
Chris@16 351 f.setPointSize(f.pointSize() * 8 / 10);
Chris@16 352 setFont(f);
Chris@16 353 }
Chris@16 354
Chris@0 355 void
Chris@0 356 View::addLayer(Layer *layer)
Chris@0 357 {
Chris@0 358 delete m_cache;
Chris@0 359 m_cache = 0;
Chris@0 360
Chris@0 361 m_layers.push_back(layer);
Chris@0 362
Chris@0 363 m_progressBars[layer] = new LayerProgressBar(this);
Chris@0 364 m_progressBars[layer]->setMinimum(0);
Chris@0 365 m_progressBars[layer]->setMaximum(100);
Chris@0 366 m_progressBars[layer]->setMinimumWidth(80);
Chris@0 367 m_progressBars[layer]->hide();
Chris@16 368
Chris@0 369 connect(layer, SIGNAL(layerParametersChanged()),
Chris@0 370 this, SLOT(layerParametersChanged()));
Chris@0 371 connect(layer, SIGNAL(layerNameChanged()),
Chris@0 372 this, SLOT(layerNameChanged()));
Chris@0 373 connect(layer, SIGNAL(modelChanged()),
Chris@0 374 this, SLOT(modelChanged()));
Chris@0 375 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@0 376 this, SLOT(modelCompletionChanged()));
Chris@0 377 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@0 378 this, SLOT(modelChanged(size_t, size_t)));
Chris@0 379 connect(layer, SIGNAL(modelReplaced()),
Chris@0 380 this, SLOT(modelReplaced()));
Chris@0 381
Chris@0 382 update();
Chris@0 383
Chris@0 384 emit propertyContainerAdded(layer);
Chris@0 385 }
Chris@0 386
Chris@0 387 void
Chris@0 388 View::removeLayer(Layer *layer)
Chris@0 389 {
Chris@0 390 if (m_deleting) {
Chris@0 391 return;
Chris@0 392 }
Chris@0 393
Chris@0 394 delete m_cache;
Chris@0 395 m_cache = 0;
Chris@0 396
Chris@0 397 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 398 if (*i == layer) {
Chris@0 399 m_layers.erase(i);
Chris@0 400 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@0 401 delete m_progressBars[layer];
Chris@0 402 m_progressBars.erase(layer);
Chris@0 403 }
Chris@0 404 break;
Chris@0 405 }
Chris@0 406 }
Chris@0 407
Chris@0 408 update();
Chris@0 409
Chris@0 410 emit propertyContainerRemoved(layer);
Chris@0 411 }
Chris@0 412
Chris@8 413 Layer *
Chris@8 414 View::getSelectedLayer()
Chris@8 415 {
Chris@8 416 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@8 417 return getLayer(getLayerCount() - 1);
Chris@8 418 } else {
Chris@8 419 return 0;
Chris@8 420 }
Chris@8 421 }
Chris@8 422
Chris@36 423 const Layer *
Chris@36 424 View::getSelectedLayer() const
Chris@36 425 {
Chris@36 426 return const_cast<const Layer *>(const_cast<View *>(this)->getSelectedLayer());
Chris@36 427 }
Chris@36 428
Chris@0 429 void
Chris@0 430 View::setViewManager(ViewManager *manager)
Chris@0 431 {
Chris@0 432 if (m_manager) {
Chris@0 433 m_manager->disconnect(this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 434 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@0 435 disconnect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 436 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 437 disconnect(m_manager, SIGNAL(toolModeChanged()));
Chris@8 438 disconnect(m_manager, SIGNAL(selectionChanged()));
Chris@9 439 disconnect(m_manager, SIGNAL(inProgressSelectionChanged()));
Chris@0 440 }
Chris@0 441
Chris@0 442 m_manager = manager;
Chris@0 443 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@0 444 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@0 445
Chris@0 446 connect(m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 447 this, SLOT(viewManagerCentreFrameChanged(void *, unsigned long, bool)));
Chris@0 448 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@0 449 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@0 450 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 451 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@8 452 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@8 453 this, SLOT(toolModeChanged()));
Chris@8 454 connect(m_manager, SIGNAL(selectionChanged()),
Chris@9 455 this, SLOT(selectionChanged()));
Chris@9 456 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@9 457 this, SLOT(selectionChanged()));
Chris@0 458
Chris@0 459 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 460 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 461 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 462 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 463
Chris@8 464 toolModeChanged();
Chris@0 465 }
Chris@0 466
Chris@0 467 void
Chris@0 468 View::setFollowGlobalPan(bool f)
Chris@0 469 {
Chris@0 470 m_followPan = f;
Chris@29 471 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 472 }
Chris@0 473
Chris@0 474 void
Chris@0 475 View::setFollowGlobalZoom(bool f)
Chris@0 476 {
Chris@0 477 m_followZoom = f;
Chris@29 478 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 479 }
Chris@0 480
Chris@0 481 void
Chris@46 482 View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style)
Chris@45 483 {
Chris@46 484 if (style == OutlinedText) {
Chris@46 485
Chris@46 486 QColor origPenColour = paint.pen().color();
Chris@46 487 QColor penColour = origPenColour;
Chris@46 488 QColor surroundColour = Qt::white; //palette().background().color();
Chris@46 489
Chris@46 490 if (!hasLightBackground()) {
Chris@46 491 int h, s, v;
Chris@46 492 penColour.getHsv(&h, &s, &v);
Chris@46 493 penColour = QColor::fromHsv(h, s, 255 - v);
Chris@46 494 surroundColour = Qt::black;
Chris@46 495 }
Chris@46 496
Chris@46 497 paint.setPen(surroundColour);
Chris@46 498
Chris@46 499 for (int dx = -1; dx <= 1; ++dx) {
Chris@46 500 for (int dy = -1; dy <= 1; ++dy) {
Chris@46 501 if (!(dx || dy)) continue;
Chris@46 502 paint.drawText(x + dx, y + dy, text);
Chris@46 503 }
Chris@46 504 }
Chris@46 505
Chris@46 506 paint.setPen(penColour);
Chris@46 507
Chris@46 508 paint.drawText(x, y, text);
Chris@46 509
Chris@46 510 paint.setPen(origPenColour);
Chris@46 511
Chris@46 512 } else {
Chris@46 513
Chris@46 514 std::cerr << "ERROR: View::drawVisibleText: Boxed style not yet implemented!" << std::endl;
Chris@46 515 }
Chris@45 516 }
Chris@45 517
Chris@45 518 void
Chris@0 519 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 520 {
Chris@0 521 m_followPlay = m;
Chris@29 522 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 523 }
Chris@0 524
Chris@0 525 void
Chris@0 526 View::modelChanged()
Chris@0 527 {
Chris@0 528 QObject *obj = sender();
Chris@0 529
Chris@0 530 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 531 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 532 #endif
Chris@31 533
Chris@31 534 // If the model that has changed is not used by any of the cached
Chris@31 535 // layers, we won't need to recreate the cache
Chris@31 536
Chris@31 537 bool recreate = false;
Chris@31 538
Chris@31 539 bool discard;
Chris@31 540 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 541 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 542 i != scrollables.end(); ++i) {
Chris@31 543 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 544 recreate = true;
Chris@31 545 break;
Chris@31 546 }
Chris@31 547 }
Chris@31 548
Chris@31 549 if (recreate) {
Chris@31 550 delete m_cache;
Chris@31 551 m_cache = 0;
Chris@31 552 }
Chris@0 553
Chris@0 554 checkProgress(obj);
Chris@0 555
Chris@0 556 update();
Chris@0 557 }
Chris@0 558
Chris@0 559 void
Chris@0 560 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 561 {
Chris@0 562 QObject *obj = sender();
Chris@0 563
Chris@0 564 long myStartFrame = getStartFrame();
Chris@0 565 size_t myEndFrame = getEndFrame();
Chris@0 566
Chris@1 567 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 568 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 569 #endif
Chris@1 570
Chris@0 571 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 572 checkProgress(obj);
Chris@0 573 return;
Chris@0 574 }
Chris@0 575 if (startFrame > myEndFrame) {
Chris@0 576 checkProgress(obj);
Chris@0 577 return;
Chris@0 578 }
Chris@0 579
Chris@31 580 // If the model that has changed is not used by any of the cached
Chris@31 581 // layers, we won't need to recreate the cache
Chris@31 582
Chris@31 583 bool recreate = false;
Chris@31 584
Chris@31 585 bool discard;
Chris@31 586 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 587 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 588 i != scrollables.end(); ++i) {
Chris@31 589 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 590 recreate = true;
Chris@31 591 break;
Chris@31 592 }
Chris@31 593 }
Chris@31 594
Chris@31 595 if (recreate) {
Chris@31 596 delete m_cache;
Chris@31 597 m_cache = 0;
Chris@31 598 }
Chris@0 599
Chris@0 600 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 601 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 602
Chris@15 603 int x0 = getXForFrame(startFrame);
Chris@15 604 int x1 = getXForFrame(endFrame + 1);
Chris@15 605 if (x1 < x0) x1 = x0;
Chris@0 606
Chris@0 607 checkProgress(obj);
Chris@0 608
Chris@31 609 update();
Chris@31 610 //!! update(x0, 0, x1 - x0 + 1, height());
Chris@0 611 }
Chris@0 612
Chris@0 613 void
Chris@0 614 View::modelCompletionChanged()
Chris@0 615 {
Chris@0 616 QObject *obj = sender();
Chris@0 617 checkProgress(obj);
Chris@0 618 }
Chris@0 619
Chris@0 620 void
Chris@0 621 View::modelReplaced()
Chris@0 622 {
Chris@0 623 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 624 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 625 #endif
Chris@1 626 delete m_cache;
Chris@1 627 m_cache = 0;
Chris@1 628
Chris@0 629 update();
Chris@0 630 }
Chris@0 631
Chris@0 632 void
Chris@0 633 View::layerParametersChanged()
Chris@0 634 {
Chris@0 635 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 636
Chris@0 637 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 638 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 639 #endif
Chris@0 640
Chris@0 641 delete m_cache;
Chris@0 642 m_cache = 0;
Chris@0 643 update();
Chris@0 644
Chris@0 645 if (layer) {
Chris@0 646 emit propertyContainerPropertyChanged(layer);
Chris@0 647 }
Chris@0 648 }
Chris@0 649
Chris@0 650 void
Chris@0 651 View::layerNameChanged()
Chris@0 652 {
Chris@0 653 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 654 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 655 }
Chris@0 656
Chris@0 657 void
Chris@0 658 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 659 {
Chris@0 660 if (m_followPan && p != this && locked) {
Chris@0 661 if (m_manager && (sender() == m_manager)) {
Chris@0 662 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 663 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 664 #endif
Chris@0 665 setCentreFrame(f);
Chris@0 666 if (p == this) repaint();
Chris@0 667 }
Chris@0 668 }
Chris@0 669 }
Chris@0 670
Chris@0 671 void
Chris@0 672 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 673 {
Chris@0 674 if (m_manager) {
Chris@0 675 if (sender() != m_manager) return;
Chris@0 676 }
Chris@0 677
Chris@0 678 if (m_playPointerFrame == f) return;
Chris@15 679 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 680 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 681 m_playPointerFrame = f;
Chris@0 682 if (!visible) return;
Chris@0 683
Chris@21 684 bool modifierPressed = // we only care about these ones
Chris@21 685 ((QApplication::keyboardModifiers() & Qt::ShiftModifier) ||
Chris@21 686 (QApplication::keyboardModifiers() & Qt::ControlModifier));
Chris@20 687
Chris@0 688 switch (m_followPlay) {
Chris@0 689
Chris@0 690 case PlaybackScrollContinuous:
Chris@10 691 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 692 !modifierPressed) {
Chris@0 693 setCentreFrame(f, false);
Chris@0 694 }
Chris@0 695 break;
Chris@0 696
Chris@0 697 case PlaybackScrollPage:
Chris@0 698 {
Chris@15 699 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 700 repaint(xold - 1, 0, 3, height());
Chris@10 701
Chris@15 702 long w = getEndFrame() - getStartFrame();
Chris@0 703 w -= w/5;
Chris@0 704 long sf = (f / w) * w - w/8;
Chris@10 705
Chris@10 706 if (m_manager &&
Chris@10 707 m_manager->isPlaying() &&
Chris@10 708 m_manager->getPlaySelectionMode()) {
Chris@24 709 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@10 710 if (!selections.empty()) {
Chris@10 711 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 712 if (sf < long(selectionStart) - w / 10) {
Chris@10 713 sf = long(selectionStart) - w / 10;
Chris@10 714 }
Chris@10 715 }
Chris@10 716 }
Chris@10 717
Chris@0 718 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 719 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 720 << getStartFrame() << std::endl;
Chris@0 721 #endif
Chris@10 722
Chris@15 723 // We don't consider scrolling unless the pointer is outside
Chris@15 724 // the clearly visible range already
Chris@15 725
Chris@15 726 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 727
Chris@18 728 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 729 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 730 #endif
Chris@18 731
Chris@15 732 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 733 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 734 !modifierPressed) {
Chris@15 735 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 736 long newCentre = sf + offset;
Chris@15 737 bool changed = setCentreFrame(newCentre, false);
Chris@15 738 if (changed) {
Chris@15 739 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 740 update(xold - 1, 0, 3, height());
Chris@15 741 }
Chris@10 742 }
Chris@10 743 }
Chris@10 744
Chris@0 745 update(xnew - 1, 0, 3, height());
Chris@10 746
Chris@0 747 break;
Chris@0 748 }
Chris@0 749
Chris@0 750 case PlaybackIgnore:
Chris@0 751 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 752 update();
Chris@0 753 }
Chris@0 754 break;
Chris@0 755 }
Chris@0 756 }
Chris@0 757
Chris@0 758 void
Chris@0 759 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 760 {
Chris@0 761 if (m_followZoom && p != this && locked) {
Chris@0 762 if (m_manager && (sender() == m_manager)) {
Chris@0 763 setZoomLevel(z);
Chris@0 764 if (p == this) repaint();
Chris@0 765 }
Chris@0 766 }
Chris@0 767 }
Chris@0 768
Chris@9 769 void
Chris@9 770 View::selectionChanged()
Chris@9 771 {
Chris@9 772 if (m_selectionCached) {
Chris@9 773 delete m_cache;
Chris@9 774 m_cache = 0;
Chris@9 775 m_selectionCached = false;
Chris@9 776 }
Chris@9 777 update();
Chris@9 778 }
Chris@9 779
Chris@0 780 size_t
Chris@0 781 View::getModelsStartFrame() const
Chris@0 782 {
Chris@0 783 bool first = true;
Chris@0 784 size_t startFrame = 0;
Chris@0 785
Chris@0 786 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 787
Chris@0 788 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 789
Chris@0 790 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 791
Chris@0 792 if (first || thisStartFrame < startFrame) {
Chris@0 793 startFrame = thisStartFrame;
Chris@0 794 }
Chris@0 795 first = false;
Chris@0 796 }
Chris@0 797 }
Chris@0 798 return startFrame;
Chris@0 799 }
Chris@0 800
Chris@0 801 size_t
Chris@0 802 View::getModelsEndFrame() const
Chris@0 803 {
Chris@0 804 bool first = true;
Chris@0 805 size_t endFrame = 0;
Chris@0 806
Chris@0 807 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 808
Chris@0 809 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 810
Chris@0 811 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 812
Chris@0 813 if (first || thisEndFrame > endFrame) {
Chris@0 814 endFrame = thisEndFrame;
Chris@0 815 }
Chris@0 816 first = false;
Chris@0 817 }
Chris@0 818 }
Chris@0 819
Chris@0 820 if (first) return getModelsStartFrame();
Chris@0 821 return endFrame;
Chris@0 822 }
Chris@0 823
Chris@0 824 int
Chris@0 825 View::getModelsSampleRate() const
Chris@0 826 {
Chris@0 827 //!!! Just go for the first, for now. If we were supporting
Chris@0 828 // multiple samplerates, we'd probably want to do frame/time
Chris@0 829 // conversion in the model
Chris@0 830
Chris@0 831 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 832 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 833 return (*i)->getModel()->getSampleRate();
Chris@0 834 }
Chris@0 835 }
Chris@0 836 return 0;
Chris@0 837 }
Chris@0 838
Chris@0 839 bool
Chris@0 840 View::areLayersScrollable() const
Chris@0 841 {
Chris@0 842 // True iff all views are scrollable
Chris@0 843 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 844 if (!(*i)->isLayerScrollable(this)) return false;
Chris@0 845 }
Chris@0 846 return true;
Chris@0 847 }
Chris@0 848
Chris@0 849 View::LayerList
Chris@31 850 View::getScrollableBackLayers(bool testChanged, bool &changed) const
Chris@0 851 {
Chris@0 852 changed = false;
Chris@0 853
Chris@46 854 // We want a list of all the scrollable layers that are behind the
Chris@46 855 // backmost non-scrollable layer.
Chris@46 856
Chris@0 857 LayerList scrollables;
Chris@0 858 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 859 if ((*i)->isLayerDormant(this)) continue;
Chris@46 860 if ((*i)->isLayerOpaque()) {
Chris@46 861 // You can't see anything behind an opaque layer!
Chris@46 862 scrollables.clear();
Chris@46 863 }
Chris@36 864 if ((*i)->isLayerScrollable(this)) scrollables.push_back(*i);
Chris@46 865 else break;
Chris@0 866 }
Chris@0 867
Chris@31 868 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@0 869 m_lastScrollableBackLayers = scrollables;
Chris@0 870 changed = true;
Chris@0 871 }
Chris@0 872 return scrollables;
Chris@0 873 }
Chris@0 874
Chris@0 875 View::LayerList
Chris@31 876 View::getNonScrollableFrontLayers(bool testChanged, bool &changed) const
Chris@0 877 {
Chris@0 878 changed = false;
Chris@31 879 LayerList scrollables = getScrollableBackLayers(testChanged, changed);
Chris@0 880 LayerList nonScrollables;
Chris@0 881
Chris@0 882 // Everything in front of the first non-scrollable from the back
Chris@0 883 // should also be considered non-scrollable
Chris@0 884
Chris@46 885 bool started = false;
Chris@46 886
Chris@0 887 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 888 if ((*i)->isLayerDormant(this)) continue;
Chris@46 889 if (!started && (*i)->isLayerScrollable(this)) {
Chris@0 890 continue;
Chris@0 891 }
Chris@46 892 started = true;
Chris@46 893 if ((*i)->isLayerOpaque()) {
Chris@46 894 // You can't see anything behind an opaque layer!
Chris@46 895 nonScrollables.clear();
Chris@46 896 }
Chris@0 897 nonScrollables.push_back(*i);
Chris@0 898 }
Chris@0 899
Chris@31 900 if (testChanged && nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 901 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 902 changed = true;
Chris@0 903 }
Chris@0 904
Chris@0 905 return nonScrollables;
Chris@0 906 }
Chris@0 907
Chris@0 908 size_t
Chris@0 909 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 910 ZoomConstraint::RoundingDirection dir)
Chris@0 911 const
Chris@0 912 {
Chris@0 913 size_t candidate = blockSize;
Chris@0 914 bool haveCandidate = false;
Chris@0 915
Chris@25 916 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@25 917
Chris@0 918 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 919
Chris@25 920 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@25 921 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@0 922
Chris@25 923 size_t thisBlockSize =
Chris@25 924 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@0 925
Chris@25 926 // Go for the block size that's furthest from the one
Chris@25 927 // passed in. Most of the time, that's what we want.
Chris@25 928 if (!haveCandidate ||
Chris@25 929 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@25 930 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@25 931 candidate = thisBlockSize;
Chris@25 932 haveCandidate = true;
Chris@0 933 }
Chris@0 934 }
Chris@0 935
Chris@0 936 return candidate;
Chris@0 937 }
Chris@0 938
Chris@0 939 void
Chris@0 940 View::zoom(bool in)
Chris@0 941 {
Chris@0 942 int newZoomLevel = m_zoomLevel;
Chris@0 943
Chris@0 944 if (in) {
Chris@0 945 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 946 ZoomConstraint::RoundDown);
Chris@0 947 } else {
Chris@0 948 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 949 ZoomConstraint::RoundUp);
Chris@0 950 }
Chris@0 951
Chris@0 952 if (newZoomLevel != m_zoomLevel) {
Chris@0 953 setZoomLevel(newZoomLevel);
Chris@0 954 }
Chris@0 955 }
Chris@0 956
Chris@0 957 void
Chris@12 958 View::scroll(bool right, bool lots)
Chris@12 959 {
Chris@12 960 long delta;
Chris@12 961 if (lots) {
Chris@15 962 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 963 } else {
Chris@15 964 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 965 }
Chris@12 966 if (right) delta = -delta;
Chris@12 967
Chris@12 968 if (int(m_centreFrame) < delta) {
Chris@12 969 setCentreFrame(0);
Chris@12 970 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 971 setCentreFrame(getModelsEndFrame());
Chris@12 972 } else {
Chris@12 973 setCentreFrame(m_centreFrame - delta);
Chris@12 974 }
Chris@12 975 }
Chris@12 976
Chris@12 977 void
Chris@0 978 View::checkProgress(void *object)
Chris@0 979 {
Chris@0 980 if (!m_showProgress) return;
Chris@0 981
Chris@0 982 int ph = height();
Chris@0 983
Chris@0 984 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 985 i != m_progressBars.end(); ++i) {
Chris@0 986
Chris@0 987 if (i->first == object) {
Chris@0 988
Chris@0 989 int completion = i->first->getCompletion();
Chris@0 990
Chris@0 991 if (completion >= 100) {
Chris@0 992
Chris@0 993 i->second->hide();
Chris@0 994
Chris@0 995 } else {
Chris@0 996
Chris@0 997 i->second->setText(i->first->getPropertyContainerName());
Chris@0 998 i->second->setValue(completion);
Chris@0 999 i->second->move(0, ph - i->second->height());
Chris@0 1000
Chris@0 1001 i->second->show();
Chris@0 1002 i->second->update();
Chris@0 1003
Chris@0 1004 ph -= i->second->height();
Chris@0 1005 }
Chris@0 1006 } else {
Chris@0 1007 if (i->second->isVisible()) {
Chris@0 1008 ph -= i->second->height();
Chris@0 1009 }
Chris@0 1010 }
Chris@0 1011 }
Chris@0 1012 }
Chris@0 1013
Chris@0 1014 void
Chris@0 1015 View::paintEvent(QPaintEvent *e)
Chris@0 1016 {
Chris@0 1017 // Profiler prof("View::paintEvent", true);
Chris@0 1018 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 1019
Chris@0 1020 if (m_layers.empty()) {
Chris@0 1021 QFrame::paintEvent(e);
Chris@0 1022 return;
Chris@0 1023 }
Chris@0 1024
Chris@0 1025 // ensure our constraints are met
Chris@0 1026 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 1027 ZoomConstraint::RoundUp);
Chris@0 1028
Chris@0 1029 QPainter paint;
Chris@0 1030 bool repaintCache = false;
Chris@0 1031 bool paintedCacheRect = false;
Chris@0 1032
Chris@0 1033 QRect cacheRect(rect());
Chris@0 1034
Chris@0 1035 if (e) {
Chris@0 1036 cacheRect &= e->rect();
Chris@0 1037 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1038 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 1039 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 1040 #endif
Chris@0 1041 }
Chris@0 1042
Chris@0 1043 QRect nonCacheRect(cacheRect);
Chris@0 1044
Chris@0 1045 // If not all layers are scrollable, but some of the back layers
Chris@46 1046 // are, we should store only those in the cache.
Chris@0 1047
Chris@0 1048 bool layersChanged = false;
Chris@31 1049 LayerList scrollables = getScrollableBackLayers(true, layersChanged);
Chris@31 1050 LayerList nonScrollables = getNonScrollableFrontLayers(true, layersChanged);
Chris@9 1051 bool selectionCacheable = nonScrollables.empty();
Chris@9 1052 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 1053 bool selectionDrawn = false;
Chris@0 1054
Chris@46 1055 // If all the non-scrollable layers are non-opaque, then we draw
Chris@46 1056 // the selection rectangle behind them and cache it. If any are
Chris@46 1057 // opaque, however, we can't cache.
Chris@46 1058 //
Chris@10 1059 if (!selectionCacheable) {
Chris@10 1060 selectionCacheable = true;
Chris@10 1061 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 1062 i != nonScrollables.end(); ++i) {
Chris@10 1063 if ((*i)->isLayerOpaque()) {
Chris@10 1064 selectionCacheable = false;
Chris@10 1065 break;
Chris@10 1066 }
Chris@10 1067 }
Chris@10 1068 }
Chris@10 1069
Chris@34 1070 if (selectionCacheable) {
Chris@34 1071 QPoint localPos;
Chris@34 1072 bool closeToLeft, closeToRight;
Chris@34 1073 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1074 selectionCacheable = false;
Chris@34 1075 }
Chris@34 1076 }
Chris@34 1077
Chris@0 1078 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1079 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 1080 << " scrollable back layers and " << nonScrollables.size()
Chris@0 1081 << " non-scrollable front layers" << std::endl;
Chris@9 1082 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 1083 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 1084 #endif
Chris@0 1085
Chris@9 1086 if (layersChanged || scrollables.empty() ||
Chris@9 1087 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 1088 delete m_cache;
Chris@0 1089 m_cache = 0;
Chris@9 1090 m_selectionCached = false;
Chris@0 1091 }
Chris@0 1092
Chris@0 1093 if (!scrollables.empty()) {
Chris@0 1094 if (!m_cache ||
Chris@0 1095 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 1096 width() != m_cache->width() ||
Chris@0 1097 height() != m_cache->height()) {
Chris@0 1098
Chris@0 1099 // cache is not valid
Chris@0 1100
Chris@0 1101 if (cacheRect.width() < width()/10) {
Chris@0 1102 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1103 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 1104 #endif
Chris@0 1105 } else {
Chris@0 1106 delete m_cache;
Chris@0 1107 m_cache = new QPixmap(width(), height());
Chris@0 1108 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1109 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 1110 #endif
Chris@0 1111 cacheRect = rect();
Chris@0 1112 repaintCache = true;
Chris@0 1113 }
Chris@0 1114
Chris@0 1115 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 1116
Chris@15 1117 long dx =
Chris@15 1118 getXForFrame(m_cacheCentreFrame) -
Chris@15 1119 getXForFrame(m_centreFrame);
Chris@0 1120
Chris@0 1121 if (dx > -width() && dx < width()) {
Chris@0 1122 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 1123 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 1124 // or Mac (it only works when moving in one direction)
Chris@0 1125 static QPixmap *tmpPixmap = 0;
Chris@0 1126 if (!tmpPixmap ||
Chris@0 1127 tmpPixmap->width() != width() ||
Chris@0 1128 tmpPixmap->height() != height()) {
Chris@0 1129 delete tmpPixmap;
Chris@0 1130 tmpPixmap = new QPixmap(width(), height());
Chris@0 1131 }
Chris@0 1132 paint.begin(tmpPixmap);
Chris@0 1133 paint.drawPixmap(0, 0, *m_cache);
Chris@0 1134 paint.end();
Chris@0 1135 paint.begin(m_cache);
Chris@0 1136 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 1137 paint.end();
Chris@0 1138 #else
Chris@0 1139 // But it seems to be fine on X11
Chris@0 1140 paint.begin(m_cache);
Chris@0 1141 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 1142 paint.end();
Chris@0 1143 #endif
Chris@0 1144
Chris@0 1145 if (dx < 0) {
Chris@0 1146 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 1147 } else {
Chris@0 1148 cacheRect = QRect(0, 0, dx, height());
Chris@0 1149 }
Chris@0 1150 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1151 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 1152 #endif
Chris@0 1153 } else {
Chris@0 1154 cacheRect = rect();
Chris@0 1155 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1156 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 1157 #endif
Chris@0 1158 }
Chris@0 1159 repaintCache = true;
Chris@0 1160
Chris@0 1161 } else {
Chris@0 1162 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1163 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 1164 #endif
Chris@0 1165 paint.begin(this);
Chris@0 1166 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1167 paint.end();
Chris@0 1168 QFrame::paintEvent(e);
Chris@0 1169 paintedCacheRect = true;
Chris@0 1170 }
Chris@0 1171
Chris@0 1172 m_cacheCentreFrame = m_centreFrame;
Chris@0 1173 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1174 }
Chris@0 1175
Chris@0 1176 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1177 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1178 #endif
Chris@0 1179
Chris@0 1180 // Scrollable (cacheable) items first
Chris@0 1181
Chris@0 1182 if (!paintedCacheRect) {
Chris@0 1183
Chris@0 1184 if (repaintCache) paint.begin(m_cache);
Chris@0 1185 else paint.begin(this);
Chris@0 1186
Chris@0 1187 paint.setClipRect(cacheRect);
Chris@0 1188
Chris@0 1189 if (hasLightBackground()) {
Chris@0 1190 paint.setPen(Qt::white);
Chris@0 1191 paint.setBrush(Qt::white);
Chris@0 1192 } else {
Chris@0 1193 paint.setPen(Qt::black);
Chris@0 1194 paint.setBrush(Qt::black);
Chris@0 1195 }
Chris@0 1196 paint.drawRect(cacheRect);
Chris@0 1197
Chris@0 1198 paint.setPen(Qt::black);
Chris@0 1199 paint.setBrush(Qt::NoBrush);
Chris@0 1200
Chris@0 1201 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1202 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1203 paint.save();
Chris@36 1204 (*i)->paint(this, paint, cacheRect);
Chris@8 1205 paint.restore();
Chris@0 1206 }
Chris@9 1207
Chris@9 1208 if (haveSelections && selectionCacheable) {
Chris@9 1209 drawSelections(paint);
Chris@9 1210 m_selectionCached = repaintCache;
Chris@9 1211 selectionDrawn = true;
Chris@9 1212 }
Chris@0 1213
Chris@0 1214 paint.end();
Chris@0 1215
Chris@0 1216 if (repaintCache) {
Chris@0 1217 cacheRect |= (e ? e->rect() : rect());
Chris@0 1218 paint.begin(this);
Chris@0 1219 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1220 paint.end();
Chris@0 1221 }
Chris@0 1222 }
Chris@0 1223
Chris@0 1224 // Now non-cacheable items. We always need to redraw the
Chris@0 1225 // non-cacheable items across at least the area we drew of the
Chris@0 1226 // cacheable items.
Chris@0 1227
Chris@0 1228 nonCacheRect |= cacheRect;
Chris@0 1229
Chris@0 1230 paint.begin(this);
Chris@0 1231 paint.setClipRect(nonCacheRect);
Chris@0 1232
Chris@0 1233 if (scrollables.empty()) {
Chris@0 1234 if (hasLightBackground()) {
Chris@0 1235 paint.setPen(Qt::white);
Chris@0 1236 paint.setBrush(Qt::white);
Chris@0 1237 } else {
Chris@0 1238 paint.setPen(Qt::black);
Chris@0 1239 paint.setBrush(Qt::black);
Chris@0 1240 }
Chris@0 1241 paint.drawRect(nonCacheRect);
Chris@0 1242 }
Chris@0 1243
Chris@0 1244 paint.setPen(Qt::black);
Chris@0 1245 paint.setBrush(Qt::NoBrush);
Chris@0 1246
Chris@0 1247 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@36 1248 (*i)->paint(this, paint, nonCacheRect);
Chris@0 1249 }
Chris@0 1250
Chris@9 1251 paint.end();
Chris@8 1252
Chris@9 1253 paint.begin(this);
Chris@9 1254 if (e) paint.setClipRect(e->rect());
Chris@9 1255 if (!m_selectionCached) {
Chris@9 1256 drawSelections(paint);
Chris@8 1257 }
Chris@0 1258 paint.end();
Chris@0 1259
Chris@0 1260 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1261
Chris@0 1262 paint.begin(this);
Chris@0 1263
Chris@0 1264 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1265 m_playPointerFrame < getEndFrame()) {
Chris@0 1266
Chris@15 1267 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1268
Chris@0 1269 paint.setPen(Qt::black);
Chris@0 1270 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1271 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1272 paint.drawPoint(playx, 0);
Chris@0 1273 paint.drawPoint(playx, height() - 1);
Chris@0 1274 paint.setPen(Qt::white);
Chris@0 1275 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1276 }
Chris@0 1277
Chris@0 1278 paint.end();
Chris@0 1279 }
Chris@0 1280
Chris@0 1281 QFrame::paintEvent(e);
Chris@0 1282 }
Chris@0 1283
Chris@9 1284 void
Chris@9 1285 View::drawSelections(QPainter &paint)
Chris@9 1286 {
Chris@24 1287 MultiSelection::SelectionList selections;
Chris@9 1288
Chris@9 1289 if (m_manager) {
Chris@9 1290 selections = m_manager->getSelections();
Chris@9 1291 if (m_manager->haveInProgressSelection()) {
Chris@9 1292 bool exclusive;
Chris@9 1293 Selection inProgressSelection =
Chris@9 1294 m_manager->getInProgressSelection(exclusive);
Chris@9 1295 if (exclusive) selections.clear();
Chris@9 1296 selections.insert(inProgressSelection);
Chris@9 1297 }
Chris@9 1298 }
Chris@9 1299
Chris@9 1300 paint.save();
Chris@9 1301 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1302
Chris@10 1303 int sampleRate = getModelsSampleRate();
Chris@10 1304
Chris@34 1305 QPoint localPos;
Chris@34 1306 long illuminateFrame = -1;
Chris@34 1307 bool closeToLeft, closeToRight;
Chris@34 1308
Chris@34 1309 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1310 illuminateFrame = getFrameForX(localPos.x());
Chris@34 1311 }
Chris@34 1312
Chris@10 1313 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1314
Chris@24 1315 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@9 1316 i != selections.end(); ++i) {
Chris@9 1317
Chris@15 1318 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1319 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1320
Chris@10 1321 if (p1 < 0 || p0 > width()) continue;
Chris@9 1322
Chris@9 1323 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1324 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1325 #endif
Chris@9 1326
Chris@34 1327 bool illuminateThis =
Chris@34 1328 (illuminateFrame >= 0 && i->contains(illuminateFrame));
Chris@34 1329
Chris@34 1330 paint.setPen(QColor(150, 150, 255));
Chris@9 1331 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1332
Chris@34 1333 if (illuminateThis) {
Chris@34 1334 paint.save();
Chris@34 1335 if (hasLightBackground()) {
Chris@34 1336 paint.setPen(QPen(Qt::black, 2));
Chris@34 1337 } else {
Chris@34 1338 paint.setPen(QPen(Qt::white, 2));
Chris@34 1339 }
Chris@34 1340 if (closeToLeft) {
Chris@34 1341 paint.drawLine(p0, 1, p1, 1);
Chris@34 1342 paint.drawLine(p0, 0, p0, height());
Chris@34 1343 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1344 } else if (closeToRight) {
Chris@34 1345 paint.drawLine(p0, 1, p1, 1);
Chris@34 1346 paint.drawLine(p1, 0, p1, height());
Chris@34 1347 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1348 } else {
Chris@34 1349 paint.setBrush(Qt::NoBrush);
Chris@34 1350 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@34 1351 }
Chris@34 1352 paint.restore();
Chris@34 1353 }
Chris@34 1354
Chris@10 1355 if (sampleRate && shouldLabelSelections()) {
Chris@10 1356
Chris@10 1357 QString startText = QString("%1 / %2")
Chris@10 1358 .arg(QString::fromStdString
Chris@10 1359 (RealTime::frame2RealTime
Chris@10 1360 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1361 .arg(i->getStartFrame());
Chris@10 1362
Chris@10 1363 QString endText = QString(" %1 / %2")
Chris@10 1364 .arg(QString::fromStdString
Chris@10 1365 (RealTime::frame2RealTime
Chris@10 1366 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1367 .arg(i->getEndFrame());
Chris@10 1368
Chris@10 1369 QString durationText = QString("(%1 / %2) ")
Chris@10 1370 .arg(QString::fromStdString
Chris@10 1371 (RealTime::frame2RealTime
Chris@10 1372 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1373 .toText(true)))
Chris@10 1374 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1375
Chris@10 1376 int sw = metrics.width(startText),
Chris@10 1377 ew = metrics.width(endText),
Chris@10 1378 dw = metrics.width(durationText);
Chris@10 1379
Chris@10 1380 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1381 int ey = sy;
Chris@10 1382 int dy = sy + metrics.height();
Chris@10 1383
Chris@10 1384 int sx = p0 + 2;
Chris@10 1385 int ex = sx;
Chris@10 1386 int dx = sx;
Chris@10 1387
Chris@10 1388 if (sw + ew > (p1 - p0)) {
Chris@10 1389 ey += metrics.height();
Chris@10 1390 dy += metrics.height();
Chris@10 1391 }
Chris@10 1392
Chris@10 1393 if (ew < (p1 - p0)) {
Chris@10 1394 ex = p1 - 2 - ew;
Chris@10 1395 }
Chris@10 1396
Chris@10 1397 if (dw < (p1 - p0)) {
Chris@10 1398 dx = p1 - 2 - dw;
Chris@10 1399 }
Chris@10 1400
Chris@10 1401 paint.drawText(sx, sy, startText);
Chris@10 1402 paint.drawText(ex, ey, endText);
Chris@10 1403 paint.drawText(dx, dy, durationText);
Chris@10 1404 }
Chris@9 1405 }
Chris@9 1406
Chris@9 1407 paint.restore();
Chris@9 1408 }
Chris@9 1409
Chris@3 1410 QString
Chris@3 1411 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1412 {
Chris@3 1413 QString s;
Chris@3 1414
Chris@3 1415 s += indent;
Chris@3 1416
Chris@3 1417 s += QString("<view "
Chris@3 1418 "centre=\"%1\" "
Chris@3 1419 "zoom=\"%2\" "
Chris@3 1420 "followPan=\"%3\" "
Chris@3 1421 "followZoom=\"%4\" "
Chris@3 1422 "tracking=\"%5\" "
Chris@3 1423 "light=\"%6\" %7>\n")
Chris@3 1424 .arg(m_centreFrame)
Chris@3 1425 .arg(m_zoomLevel)
Chris@3 1426 .arg(m_followPan)
Chris@3 1427 .arg(m_followZoom)
Chris@3 1428 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1429 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1430 .arg(m_lightBackground)
Chris@3 1431 .arg(extraAttributes);
Chris@3 1432
Chris@3 1433 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1434 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1435 }
Chris@3 1436
Chris@4 1437 s += indent + "</view>\n";
Chris@3 1438
Chris@3 1439 return s;
Chris@3 1440 }
Chris@3 1441
Chris@29 1442 ViewPropertyContainer::ViewPropertyContainer(View *v) :
Chris@29 1443 m_v(v)
Chris@29 1444 {
Chris@29 1445 connect(m_v, SIGNAL(propertyChanged(PropertyName)),
Chris@29 1446 this, SIGNAL(propertyChanged(PropertyName)));
Chris@29 1447 }
Chris@3 1448
Chris@0 1449 #ifdef INCLUDE_MOCFILES
Chris@0 1450 #include "View.moc.cpp"
Chris@0 1451 #endif
Chris@0 1452