annotate base/View.cpp @ 65:e1aad27029e3

* Add stub for item-edit dialog (for editing properties of an item on double- click) -- doesn't actually do anything yet * Add code to invoke said non-working item-edit dialog on double-click in time-value, time-instants and note layers * Add overlay mode (no text, basic text, all text)
author Chris Cannam
date Thu, 30 Mar 2006 15:00:22 +0000
parents 709d63d90028
children c983dda79f72
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@65 458 connect(m_manager, SIGNAL(overlayModeChanged()),
Chris@65 459 this, SLOT(update()));
Chris@0 460
Chris@0 461 connect(this, SIGNAL(centreFrameChanged(void *, unsigned long, bool)),
Chris@0 462 m_manager, SIGNAL(centreFrameChanged(void *, unsigned long, bool)));
Chris@0 463 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@0 464 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@8 465
Chris@8 466 toolModeChanged();
Chris@0 467 }
Chris@0 468
Chris@0 469 void
Chris@0 470 View::setFollowGlobalPan(bool f)
Chris@0 471 {
Chris@0 472 m_followPan = f;
Chris@29 473 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 474 }
Chris@0 475
Chris@0 476 void
Chris@0 477 View::setFollowGlobalZoom(bool f)
Chris@0 478 {
Chris@0 479 m_followZoom = f;
Chris@29 480 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 481 }
Chris@0 482
Chris@0 483 void
Chris@46 484 View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style)
Chris@45 485 {
Chris@46 486 if (style == OutlinedText) {
Chris@46 487
Chris@46 488 QColor origPenColour = paint.pen().color();
Chris@46 489 QColor penColour = origPenColour;
Chris@46 490 QColor surroundColour = Qt::white; //palette().background().color();
Chris@46 491
Chris@46 492 if (!hasLightBackground()) {
Chris@46 493 int h, s, v;
Chris@46 494 penColour.getHsv(&h, &s, &v);
Chris@46 495 penColour = QColor::fromHsv(h, s, 255 - v);
Chris@46 496 surroundColour = Qt::black;
Chris@46 497 }
Chris@46 498
Chris@46 499 paint.setPen(surroundColour);
Chris@46 500
Chris@46 501 for (int dx = -1; dx <= 1; ++dx) {
Chris@46 502 for (int dy = -1; dy <= 1; ++dy) {
Chris@46 503 if (!(dx || dy)) continue;
Chris@46 504 paint.drawText(x + dx, y + dy, text);
Chris@46 505 }
Chris@46 506 }
Chris@46 507
Chris@46 508 paint.setPen(penColour);
Chris@46 509
Chris@46 510 paint.drawText(x, y, text);
Chris@46 511
Chris@46 512 paint.setPen(origPenColour);
Chris@46 513
Chris@46 514 } else {
Chris@46 515
Chris@46 516 std::cerr << "ERROR: View::drawVisibleText: Boxed style not yet implemented!" << std::endl;
Chris@46 517 }
Chris@45 518 }
Chris@45 519
Chris@45 520 void
Chris@0 521 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@0 522 {
Chris@0 523 m_followPlay = m;
Chris@29 524 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@0 525 }
Chris@0 526
Chris@0 527 void
Chris@0 528 View::modelChanged()
Chris@0 529 {
Chris@0 530 QObject *obj = sender();
Chris@0 531
Chris@0 532 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 533 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@0 534 #endif
Chris@31 535
Chris@31 536 // If the model that has changed is not used by any of the cached
Chris@31 537 // layers, we won't need to recreate the cache
Chris@31 538
Chris@31 539 bool recreate = false;
Chris@31 540
Chris@31 541 bool discard;
Chris@31 542 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 543 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 544 i != scrollables.end(); ++i) {
Chris@31 545 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 546 recreate = true;
Chris@31 547 break;
Chris@31 548 }
Chris@31 549 }
Chris@31 550
Chris@31 551 if (recreate) {
Chris@31 552 delete m_cache;
Chris@31 553 m_cache = 0;
Chris@31 554 }
Chris@0 555
Chris@0 556 checkProgress(obj);
Chris@0 557
Chris@0 558 update();
Chris@0 559 }
Chris@0 560
Chris@0 561 void
Chris@0 562 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@0 563 {
Chris@0 564 QObject *obj = sender();
Chris@0 565
Chris@0 566 long myStartFrame = getStartFrame();
Chris@0 567 size_t myEndFrame = getEndFrame();
Chris@0 568
Chris@1 569 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 570 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@1 571 #endif
Chris@1 572
Chris@0 573 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@0 574 checkProgress(obj);
Chris@0 575 return;
Chris@0 576 }
Chris@0 577 if (startFrame > myEndFrame) {
Chris@0 578 checkProgress(obj);
Chris@0 579 return;
Chris@0 580 }
Chris@0 581
Chris@31 582 // If the model that has changed is not used by any of the cached
Chris@31 583 // layers, we won't need to recreate the cache
Chris@31 584
Chris@31 585 bool recreate = false;
Chris@31 586
Chris@31 587 bool discard;
Chris@31 588 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@31 589 for (LayerList::const_iterator i = scrollables.begin();
Chris@31 590 i != scrollables.end(); ++i) {
Chris@31 591 if (*i == obj || (*i)->getModel() == obj) {
Chris@31 592 recreate = true;
Chris@31 593 break;
Chris@31 594 }
Chris@31 595 }
Chris@31 596
Chris@31 597 if (recreate) {
Chris@31 598 delete m_cache;
Chris@31 599 m_cache = 0;
Chris@31 600 }
Chris@0 601
Chris@0 602 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@0 603 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@0 604
Chris@15 605 int x0 = getXForFrame(startFrame);
Chris@15 606 int x1 = getXForFrame(endFrame + 1);
Chris@15 607 if (x1 < x0) x1 = x0;
Chris@0 608
Chris@0 609 checkProgress(obj);
Chris@0 610
Chris@31 611 update();
Chris@31 612 //!! update(x0, 0, x1 - x0 + 1, height());
Chris@0 613 }
Chris@0 614
Chris@0 615 void
Chris@0 616 View::modelCompletionChanged()
Chris@0 617 {
Chris@0 618 QObject *obj = sender();
Chris@0 619 checkProgress(obj);
Chris@0 620 }
Chris@0 621
Chris@0 622 void
Chris@0 623 View::modelReplaced()
Chris@0 624 {
Chris@0 625 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@1 626 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@0 627 #endif
Chris@1 628 delete m_cache;
Chris@1 629 m_cache = 0;
Chris@1 630
Chris@0 631 update();
Chris@0 632 }
Chris@0 633
Chris@0 634 void
Chris@0 635 View::layerParametersChanged()
Chris@0 636 {
Chris@0 637 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 638
Chris@0 639 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 640 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@0 641 #endif
Chris@0 642
Chris@0 643 delete m_cache;
Chris@0 644 m_cache = 0;
Chris@0 645 update();
Chris@0 646
Chris@0 647 if (layer) {
Chris@0 648 emit propertyContainerPropertyChanged(layer);
Chris@0 649 }
Chris@0 650 }
Chris@0 651
Chris@0 652 void
Chris@0 653 View::layerNameChanged()
Chris@0 654 {
Chris@0 655 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@0 656 if (layer) emit propertyContainerNameChanged(layer);
Chris@0 657 }
Chris@0 658
Chris@0 659 void
Chris@0 660 View::viewManagerCentreFrameChanged(void *p, unsigned long f, bool locked)
Chris@0 661 {
Chris@0 662 if (m_followPan && p != this && locked) {
Chris@0 663 if (m_manager && (sender() == m_manager)) {
Chris@0 664 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 665 std::cerr << this << ": manager frame changed " << f << " from " << p << std::endl;
Chris@0 666 #endif
Chris@0 667 setCentreFrame(f);
Chris@0 668 if (p == this) repaint();
Chris@0 669 }
Chris@0 670 }
Chris@0 671 }
Chris@0 672
Chris@0 673 void
Chris@0 674 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@0 675 {
Chris@0 676 if (m_manager) {
Chris@0 677 if (sender() != m_manager) return;
Chris@0 678 }
Chris@0 679
Chris@0 680 if (m_playPointerFrame == f) return;
Chris@15 681 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@0 682 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@0 683 m_playPointerFrame = f;
Chris@0 684 if (!visible) return;
Chris@0 685
Chris@21 686 bool modifierPressed = // we only care about these ones
Chris@21 687 ((QApplication::keyboardModifiers() & Qt::ShiftModifier) ||
Chris@21 688 (QApplication::keyboardModifiers() & Qt::ControlModifier));
Chris@20 689
Chris@0 690 switch (m_followPlay) {
Chris@0 691
Chris@0 692 case PlaybackScrollContinuous:
Chris@10 693 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 694 !modifierPressed) {
Chris@0 695 setCentreFrame(f, false);
Chris@0 696 }
Chris@0 697 break;
Chris@0 698
Chris@0 699 case PlaybackScrollPage:
Chris@0 700 {
Chris@15 701 int xold = getXForFrame(oldPlayPointerFrame);
Chris@10 702 repaint(xold - 1, 0, 3, height());
Chris@10 703
Chris@15 704 long w = getEndFrame() - getStartFrame();
Chris@0 705 w -= w/5;
Chris@0 706 long sf = (f / w) * w - w/8;
Chris@10 707
Chris@10 708 if (m_manager &&
Chris@10 709 m_manager->isPlaying() &&
Chris@10 710 m_manager->getPlaySelectionMode()) {
Chris@24 711 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@10 712 if (!selections.empty()) {
Chris@10 713 size_t selectionStart = selections.begin()->getStartFrame();
Chris@10 714 if (sf < long(selectionStart) - w / 10) {
Chris@10 715 sf = long(selectionStart) - w / 10;
Chris@10 716 }
Chris@10 717 }
Chris@10 718 }
Chris@10 719
Chris@0 720 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 721 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@0 722 << getStartFrame() << std::endl;
Chris@0 723 #endif
Chris@10 724
Chris@15 725 // We don't consider scrolling unless the pointer is outside
Chris@15 726 // the clearly visible range already
Chris@15 727
Chris@15 728 int xnew = getXForFrame(m_playPointerFrame);
Chris@15 729
Chris@18 730 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@18 731 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@18 732 #endif
Chris@18 733
Chris@15 734 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@15 735 if (QApplication::mouseButtons() == Qt::NoButton &&
Chris@21 736 !modifierPressed) {
Chris@15 737 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@15 738 long newCentre = sf + offset;
Chris@15 739 bool changed = setCentreFrame(newCentre, false);
Chris@15 740 if (changed) {
Chris@15 741 xold = getXForFrame(oldPlayPointerFrame);
Chris@15 742 update(xold - 1, 0, 3, height());
Chris@15 743 }
Chris@10 744 }
Chris@10 745 }
Chris@10 746
Chris@0 747 update(xnew - 1, 0, 3, height());
Chris@10 748
Chris@0 749 break;
Chris@0 750 }
Chris@0 751
Chris@0 752 case PlaybackIgnore:
Chris@0 753 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@0 754 update();
Chris@0 755 }
Chris@0 756 break;
Chris@0 757 }
Chris@0 758 }
Chris@0 759
Chris@0 760 void
Chris@0 761 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@0 762 {
Chris@0 763 if (m_followZoom && p != this && locked) {
Chris@0 764 if (m_manager && (sender() == m_manager)) {
Chris@0 765 setZoomLevel(z);
Chris@0 766 if (p == this) repaint();
Chris@0 767 }
Chris@0 768 }
Chris@0 769 }
Chris@0 770
Chris@9 771 void
Chris@9 772 View::selectionChanged()
Chris@9 773 {
Chris@9 774 if (m_selectionCached) {
Chris@9 775 delete m_cache;
Chris@9 776 m_cache = 0;
Chris@9 777 m_selectionCached = false;
Chris@9 778 }
Chris@9 779 update();
Chris@9 780 }
Chris@9 781
Chris@0 782 size_t
Chris@0 783 View::getModelsStartFrame() const
Chris@0 784 {
Chris@0 785 bool first = true;
Chris@0 786 size_t startFrame = 0;
Chris@0 787
Chris@0 788 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 789
Chris@0 790 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 791
Chris@0 792 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@0 793
Chris@0 794 if (first || thisStartFrame < startFrame) {
Chris@0 795 startFrame = thisStartFrame;
Chris@0 796 }
Chris@0 797 first = false;
Chris@0 798 }
Chris@0 799 }
Chris@0 800 return startFrame;
Chris@0 801 }
Chris@0 802
Chris@0 803 size_t
Chris@0 804 View::getModelsEndFrame() const
Chris@0 805 {
Chris@0 806 bool first = true;
Chris@0 807 size_t endFrame = 0;
Chris@0 808
Chris@0 809 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 810
Chris@0 811 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 812
Chris@0 813 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@0 814
Chris@0 815 if (first || thisEndFrame > endFrame) {
Chris@0 816 endFrame = thisEndFrame;
Chris@0 817 }
Chris@0 818 first = false;
Chris@0 819 }
Chris@0 820 }
Chris@0 821
Chris@0 822 if (first) return getModelsStartFrame();
Chris@0 823 return endFrame;
Chris@0 824 }
Chris@0 825
Chris@0 826 int
Chris@0 827 View::getModelsSampleRate() const
Chris@0 828 {
Chris@0 829 //!!! Just go for the first, for now. If we were supporting
Chris@0 830 // multiple samplerates, we'd probably want to do frame/time
Chris@0 831 // conversion in the model
Chris@0 832
Chris@0 833 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 834 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@0 835 return (*i)->getModel()->getSampleRate();
Chris@0 836 }
Chris@0 837 }
Chris@0 838 return 0;
Chris@0 839 }
Chris@0 840
Chris@0 841 bool
Chris@0 842 View::areLayersScrollable() const
Chris@0 843 {
Chris@0 844 // True iff all views are scrollable
Chris@0 845 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 846 if (!(*i)->isLayerScrollable(this)) return false;
Chris@0 847 }
Chris@0 848 return true;
Chris@0 849 }
Chris@0 850
Chris@0 851 View::LayerList
Chris@31 852 View::getScrollableBackLayers(bool testChanged, bool &changed) const
Chris@0 853 {
Chris@0 854 changed = false;
Chris@0 855
Chris@46 856 // We want a list of all the scrollable layers that are behind the
Chris@46 857 // backmost non-scrollable layer.
Chris@46 858
Chris@0 859 LayerList scrollables;
Chris@0 860 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 861 if ((*i)->isLayerDormant(this)) continue;
Chris@46 862 if ((*i)->isLayerOpaque()) {
Chris@46 863 // You can't see anything behind an opaque layer!
Chris@46 864 scrollables.clear();
Chris@46 865 }
Chris@36 866 if ((*i)->isLayerScrollable(this)) scrollables.push_back(*i);
Chris@46 867 else break;
Chris@0 868 }
Chris@0 869
Chris@31 870 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@0 871 m_lastScrollableBackLayers = scrollables;
Chris@0 872 changed = true;
Chris@0 873 }
Chris@0 874 return scrollables;
Chris@0 875 }
Chris@0 876
Chris@0 877 View::LayerList
Chris@31 878 View::getNonScrollableFrontLayers(bool testChanged, bool &changed) const
Chris@0 879 {
Chris@0 880 changed = false;
Chris@31 881 LayerList scrollables = getScrollableBackLayers(testChanged, changed);
Chris@0 882 LayerList nonScrollables;
Chris@0 883
Chris@0 884 // Everything in front of the first non-scrollable from the back
Chris@0 885 // should also be considered non-scrollable
Chris@0 886
Chris@46 887 bool started = false;
Chris@46 888
Chris@0 889 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@36 890 if ((*i)->isLayerDormant(this)) continue;
Chris@46 891 if (!started && (*i)->isLayerScrollable(this)) {
Chris@0 892 continue;
Chris@0 893 }
Chris@46 894 started = true;
Chris@46 895 if ((*i)->isLayerOpaque()) {
Chris@46 896 // You can't see anything behind an opaque layer!
Chris@46 897 nonScrollables.clear();
Chris@46 898 }
Chris@0 899 nonScrollables.push_back(*i);
Chris@0 900 }
Chris@0 901
Chris@31 902 if (testChanged && nonScrollables != m_lastNonScrollableBackLayers) {
Chris@0 903 m_lastNonScrollableBackLayers = nonScrollables;
Chris@0 904 changed = true;
Chris@0 905 }
Chris@0 906
Chris@0 907 return nonScrollables;
Chris@0 908 }
Chris@0 909
Chris@0 910 size_t
Chris@0 911 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@0 912 ZoomConstraint::RoundingDirection dir)
Chris@0 913 const
Chris@0 914 {
Chris@0 915 size_t candidate = blockSize;
Chris@0 916 bool haveCandidate = false;
Chris@0 917
Chris@25 918 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@25 919
Chris@0 920 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@0 921
Chris@25 922 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@25 923 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@0 924
Chris@25 925 size_t thisBlockSize =
Chris@25 926 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@0 927
Chris@25 928 // Go for the block size that's furthest from the one
Chris@25 929 // passed in. Most of the time, that's what we want.
Chris@25 930 if (!haveCandidate ||
Chris@25 931 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@25 932 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@25 933 candidate = thisBlockSize;
Chris@25 934 haveCandidate = true;
Chris@0 935 }
Chris@0 936 }
Chris@0 937
Chris@0 938 return candidate;
Chris@0 939 }
Chris@0 940
Chris@0 941 void
Chris@0 942 View::zoom(bool in)
Chris@0 943 {
Chris@0 944 int newZoomLevel = m_zoomLevel;
Chris@0 945
Chris@0 946 if (in) {
Chris@0 947 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@0 948 ZoomConstraint::RoundDown);
Chris@0 949 } else {
Chris@0 950 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@0 951 ZoomConstraint::RoundUp);
Chris@0 952 }
Chris@0 953
Chris@0 954 if (newZoomLevel != m_zoomLevel) {
Chris@0 955 setZoomLevel(newZoomLevel);
Chris@0 956 }
Chris@0 957 }
Chris@0 958
Chris@0 959 void
Chris@12 960 View::scroll(bool right, bool lots)
Chris@12 961 {
Chris@12 962 long delta;
Chris@12 963 if (lots) {
Chris@15 964 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@12 965 } else {
Chris@15 966 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@12 967 }
Chris@12 968 if (right) delta = -delta;
Chris@12 969
Chris@12 970 if (int(m_centreFrame) < delta) {
Chris@12 971 setCentreFrame(0);
Chris@12 972 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@12 973 setCentreFrame(getModelsEndFrame());
Chris@12 974 } else {
Chris@12 975 setCentreFrame(m_centreFrame - delta);
Chris@12 976 }
Chris@12 977 }
Chris@12 978
Chris@12 979 void
Chris@0 980 View::checkProgress(void *object)
Chris@0 981 {
Chris@0 982 if (!m_showProgress) return;
Chris@0 983
Chris@0 984 int ph = height();
Chris@0 985
Chris@0 986 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@0 987 i != m_progressBars.end(); ++i) {
Chris@0 988
Chris@0 989 if (i->first == object) {
Chris@0 990
Chris@0 991 int completion = i->first->getCompletion();
Chris@0 992
Chris@0 993 if (completion >= 100) {
Chris@0 994
Chris@0 995 i->second->hide();
Chris@0 996
Chris@0 997 } else {
Chris@0 998
Chris@0 999 i->second->setText(i->first->getPropertyContainerName());
Chris@0 1000 i->second->setValue(completion);
Chris@0 1001 i->second->move(0, ph - i->second->height());
Chris@0 1002
Chris@0 1003 i->second->show();
Chris@0 1004 i->second->update();
Chris@0 1005
Chris@0 1006 ph -= i->second->height();
Chris@0 1007 }
Chris@0 1008 } else {
Chris@0 1009 if (i->second->isVisible()) {
Chris@0 1010 ph -= i->second->height();
Chris@0 1011 }
Chris@0 1012 }
Chris@0 1013 }
Chris@0 1014 }
Chris@0 1015
Chris@0 1016 void
Chris@0 1017 View::paintEvent(QPaintEvent *e)
Chris@0 1018 {
Chris@0 1019 // Profiler prof("View::paintEvent", true);
Chris@0 1020 // std::cerr << "View::paintEvent" << std::endl;
Chris@0 1021
Chris@0 1022 if (m_layers.empty()) {
Chris@0 1023 QFrame::paintEvent(e);
Chris@0 1024 return;
Chris@0 1025 }
Chris@0 1026
Chris@0 1027 // ensure our constraints are met
Chris@0 1028 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@0 1029 ZoomConstraint::RoundUp);
Chris@0 1030
Chris@0 1031 QPainter paint;
Chris@0 1032 bool repaintCache = false;
Chris@0 1033 bool paintedCacheRect = false;
Chris@0 1034
Chris@0 1035 QRect cacheRect(rect());
Chris@0 1036
Chris@0 1037 if (e) {
Chris@0 1038 cacheRect &= e->rect();
Chris@0 1039 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1040 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@0 1041 << ", my rect " << width() << "x" << height() << std::endl;
Chris@0 1042 #endif
Chris@0 1043 }
Chris@0 1044
Chris@0 1045 QRect nonCacheRect(cacheRect);
Chris@0 1046
Chris@0 1047 // If not all layers are scrollable, but some of the back layers
Chris@46 1048 // are, we should store only those in the cache.
Chris@0 1049
Chris@0 1050 bool layersChanged = false;
Chris@31 1051 LayerList scrollables = getScrollableBackLayers(true, layersChanged);
Chris@31 1052 LayerList nonScrollables = getNonScrollableFrontLayers(true, layersChanged);
Chris@9 1053 bool selectionCacheable = nonScrollables.empty();
Chris@9 1054 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@9 1055 bool selectionDrawn = false;
Chris@0 1056
Chris@46 1057 // If all the non-scrollable layers are non-opaque, then we draw
Chris@46 1058 // the selection rectangle behind them and cache it. If any are
Chris@46 1059 // opaque, however, we can't cache.
Chris@46 1060 //
Chris@10 1061 if (!selectionCacheable) {
Chris@10 1062 selectionCacheable = true;
Chris@10 1063 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@10 1064 i != nonScrollables.end(); ++i) {
Chris@10 1065 if ((*i)->isLayerOpaque()) {
Chris@10 1066 selectionCacheable = false;
Chris@10 1067 break;
Chris@10 1068 }
Chris@10 1069 }
Chris@10 1070 }
Chris@10 1071
Chris@34 1072 if (selectionCacheable) {
Chris@34 1073 QPoint localPos;
Chris@34 1074 bool closeToLeft, closeToRight;
Chris@34 1075 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1076 selectionCacheable = false;
Chris@34 1077 }
Chris@34 1078 }
Chris@34 1079
Chris@0 1080 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1081 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@0 1082 << " scrollable back layers and " << nonScrollables.size()
Chris@0 1083 << " non-scrollable front layers" << std::endl;
Chris@9 1084 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@9 1085 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@0 1086 #endif
Chris@0 1087
Chris@9 1088 if (layersChanged || scrollables.empty() ||
Chris@9 1089 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@0 1090 delete m_cache;
Chris@0 1091 m_cache = 0;
Chris@9 1092 m_selectionCached = false;
Chris@0 1093 }
Chris@0 1094
Chris@0 1095 if (!scrollables.empty()) {
Chris@0 1096 if (!m_cache ||
Chris@0 1097 m_cacheZoomLevel != m_zoomLevel ||
Chris@0 1098 width() != m_cache->width() ||
Chris@0 1099 height() != m_cache->height()) {
Chris@0 1100
Chris@0 1101 // cache is not valid
Chris@0 1102
Chris@0 1103 if (cacheRect.width() < width()/10) {
Chris@0 1104 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1105 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@0 1106 #endif
Chris@0 1107 } else {
Chris@0 1108 delete m_cache;
Chris@0 1109 m_cache = new QPixmap(width(), height());
Chris@0 1110 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1111 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@0 1112 #endif
Chris@0 1113 cacheRect = rect();
Chris@0 1114 repaintCache = true;
Chris@0 1115 }
Chris@0 1116
Chris@0 1117 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@0 1118
Chris@15 1119 long dx =
Chris@15 1120 getXForFrame(m_cacheCentreFrame) -
Chris@15 1121 getXForFrame(m_centreFrame);
Chris@0 1122
Chris@0 1123 if (dx > -width() && dx < width()) {
Chris@0 1124 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@0 1125 // Copying a pixmap to itself doesn't work properly on Windows
Chris@0 1126 // or Mac (it only works when moving in one direction)
Chris@0 1127 static QPixmap *tmpPixmap = 0;
Chris@0 1128 if (!tmpPixmap ||
Chris@0 1129 tmpPixmap->width() != width() ||
Chris@0 1130 tmpPixmap->height() != height()) {
Chris@0 1131 delete tmpPixmap;
Chris@0 1132 tmpPixmap = new QPixmap(width(), height());
Chris@0 1133 }
Chris@0 1134 paint.begin(tmpPixmap);
Chris@0 1135 paint.drawPixmap(0, 0, *m_cache);
Chris@0 1136 paint.end();
Chris@0 1137 paint.begin(m_cache);
Chris@0 1138 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@0 1139 paint.end();
Chris@0 1140 #else
Chris@0 1141 // But it seems to be fine on X11
Chris@0 1142 paint.begin(m_cache);
Chris@0 1143 paint.drawPixmap(dx, 0, *m_cache);
Chris@0 1144 paint.end();
Chris@0 1145 #endif
Chris@0 1146
Chris@0 1147 if (dx < 0) {
Chris@0 1148 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@0 1149 } else {
Chris@0 1150 cacheRect = QRect(0, 0, dx, height());
Chris@0 1151 }
Chris@0 1152 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1153 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@0 1154 #endif
Chris@0 1155 } else {
Chris@0 1156 cacheRect = rect();
Chris@0 1157 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1158 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@0 1159 #endif
Chris@0 1160 }
Chris@0 1161 repaintCache = true;
Chris@0 1162
Chris@0 1163 } else {
Chris@0 1164 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1165 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@0 1166 #endif
Chris@0 1167 paint.begin(this);
Chris@0 1168 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1169 paint.end();
Chris@0 1170 QFrame::paintEvent(e);
Chris@0 1171 paintedCacheRect = true;
Chris@0 1172 }
Chris@0 1173
Chris@0 1174 m_cacheCentreFrame = m_centreFrame;
Chris@0 1175 m_cacheZoomLevel = m_zoomLevel;
Chris@0 1176 }
Chris@0 1177
Chris@0 1178 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@0 1179 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@0 1180 #endif
Chris@0 1181
Chris@0 1182 // Scrollable (cacheable) items first
Chris@0 1183
Chris@0 1184 if (!paintedCacheRect) {
Chris@0 1185
Chris@0 1186 if (repaintCache) paint.begin(m_cache);
Chris@0 1187 else paint.begin(this);
Chris@0 1188
Chris@0 1189 paint.setClipRect(cacheRect);
Chris@0 1190
Chris@0 1191 if (hasLightBackground()) {
Chris@0 1192 paint.setPen(Qt::white);
Chris@0 1193 paint.setBrush(Qt::white);
Chris@0 1194 } else {
Chris@0 1195 paint.setPen(Qt::black);
Chris@0 1196 paint.setBrush(Qt::black);
Chris@0 1197 }
Chris@0 1198 paint.drawRect(cacheRect);
Chris@0 1199
Chris@0 1200 paint.setPen(Qt::black);
Chris@0 1201 paint.setBrush(Qt::NoBrush);
Chris@0 1202
Chris@0 1203 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@8 1204 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@8 1205 paint.save();
Chris@36 1206 (*i)->paint(this, paint, cacheRect);
Chris@8 1207 paint.restore();
Chris@0 1208 }
Chris@9 1209
Chris@9 1210 if (haveSelections && selectionCacheable) {
Chris@9 1211 drawSelections(paint);
Chris@9 1212 m_selectionCached = repaintCache;
Chris@9 1213 selectionDrawn = true;
Chris@9 1214 }
Chris@0 1215
Chris@0 1216 paint.end();
Chris@0 1217
Chris@0 1218 if (repaintCache) {
Chris@0 1219 cacheRect |= (e ? e->rect() : rect());
Chris@0 1220 paint.begin(this);
Chris@0 1221 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@0 1222 paint.end();
Chris@0 1223 }
Chris@0 1224 }
Chris@0 1225
Chris@0 1226 // Now non-cacheable items. We always need to redraw the
Chris@0 1227 // non-cacheable items across at least the area we drew of the
Chris@0 1228 // cacheable items.
Chris@0 1229
Chris@0 1230 nonCacheRect |= cacheRect;
Chris@0 1231
Chris@0 1232 paint.begin(this);
Chris@0 1233 paint.setClipRect(nonCacheRect);
Chris@0 1234
Chris@0 1235 if (scrollables.empty()) {
Chris@0 1236 if (hasLightBackground()) {
Chris@0 1237 paint.setPen(Qt::white);
Chris@0 1238 paint.setBrush(Qt::white);
Chris@0 1239 } else {
Chris@0 1240 paint.setPen(Qt::black);
Chris@0 1241 paint.setBrush(Qt::black);
Chris@0 1242 }
Chris@0 1243 paint.drawRect(nonCacheRect);
Chris@0 1244 }
Chris@0 1245
Chris@0 1246 paint.setPen(Qt::black);
Chris@0 1247 paint.setBrush(Qt::NoBrush);
Chris@0 1248
Chris@0 1249 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@36 1250 (*i)->paint(this, paint, nonCacheRect);
Chris@0 1251 }
Chris@0 1252
Chris@9 1253 paint.end();
Chris@8 1254
Chris@9 1255 paint.begin(this);
Chris@9 1256 if (e) paint.setClipRect(e->rect());
Chris@9 1257 if (!m_selectionCached) {
Chris@9 1258 drawSelections(paint);
Chris@8 1259 }
Chris@0 1260 paint.end();
Chris@0 1261
Chris@0 1262 if (m_followPlay != PlaybackScrollContinuous) {
Chris@0 1263
Chris@0 1264 paint.begin(this);
Chris@0 1265
Chris@0 1266 if (long(m_playPointerFrame) > getStartFrame() &&
Chris@0 1267 m_playPointerFrame < getEndFrame()) {
Chris@0 1268
Chris@15 1269 int playx = getXForFrame(m_playPointerFrame);
Chris@0 1270
Chris@0 1271 paint.setPen(Qt::black);
Chris@0 1272 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@0 1273 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@0 1274 paint.drawPoint(playx, 0);
Chris@0 1275 paint.drawPoint(playx, height() - 1);
Chris@0 1276 paint.setPen(Qt::white);
Chris@0 1277 paint.drawLine(playx, 1, playx, height() - 2);
Chris@0 1278 }
Chris@0 1279
Chris@0 1280 paint.end();
Chris@0 1281 }
Chris@0 1282
Chris@0 1283 QFrame::paintEvent(e);
Chris@0 1284 }
Chris@0 1285
Chris@9 1286 void
Chris@9 1287 View::drawSelections(QPainter &paint)
Chris@9 1288 {
Chris@24 1289 MultiSelection::SelectionList selections;
Chris@9 1290
Chris@9 1291 if (m_manager) {
Chris@9 1292 selections = m_manager->getSelections();
Chris@9 1293 if (m_manager->haveInProgressSelection()) {
Chris@9 1294 bool exclusive;
Chris@9 1295 Selection inProgressSelection =
Chris@9 1296 m_manager->getInProgressSelection(exclusive);
Chris@9 1297 if (exclusive) selections.clear();
Chris@9 1298 selections.insert(inProgressSelection);
Chris@9 1299 }
Chris@9 1300 }
Chris@9 1301
Chris@9 1302 paint.save();
Chris@9 1303 paint.setBrush(QColor(150, 150, 255, 80));
Chris@9 1304
Chris@10 1305 int sampleRate = getModelsSampleRate();
Chris@10 1306
Chris@34 1307 QPoint localPos;
Chris@34 1308 long illuminateFrame = -1;
Chris@34 1309 bool closeToLeft, closeToRight;
Chris@34 1310
Chris@34 1311 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@34 1312 illuminateFrame = getFrameForX(localPos.x());
Chris@34 1313 }
Chris@34 1314
Chris@10 1315 const QFontMetrics &metrics = paint.fontMetrics();
Chris@10 1316
Chris@24 1317 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@9 1318 i != selections.end(); ++i) {
Chris@9 1319
Chris@15 1320 int p0 = getXForFrame(i->getStartFrame());
Chris@15 1321 int p1 = getXForFrame(i->getEndFrame());
Chris@9 1322
Chris@10 1323 if (p1 < 0 || p0 > width()) continue;
Chris@9 1324
Chris@9 1325 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@9 1326 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@9 1327 #endif
Chris@9 1328
Chris@34 1329 bool illuminateThis =
Chris@34 1330 (illuminateFrame >= 0 && i->contains(illuminateFrame));
Chris@34 1331
Chris@34 1332 paint.setPen(QColor(150, 150, 255));
Chris@9 1333 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@10 1334
Chris@34 1335 if (illuminateThis) {
Chris@34 1336 paint.save();
Chris@34 1337 if (hasLightBackground()) {
Chris@34 1338 paint.setPen(QPen(Qt::black, 2));
Chris@34 1339 } else {
Chris@34 1340 paint.setPen(QPen(Qt::white, 2));
Chris@34 1341 }
Chris@34 1342 if (closeToLeft) {
Chris@34 1343 paint.drawLine(p0, 1, p1, 1);
Chris@34 1344 paint.drawLine(p0, 0, p0, height());
Chris@34 1345 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1346 } else if (closeToRight) {
Chris@34 1347 paint.drawLine(p0, 1, p1, 1);
Chris@34 1348 paint.drawLine(p1, 0, p1, height());
Chris@34 1349 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@34 1350 } else {
Chris@34 1351 paint.setBrush(Qt::NoBrush);
Chris@34 1352 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@34 1353 }
Chris@34 1354 paint.restore();
Chris@34 1355 }
Chris@34 1356
Chris@10 1357 if (sampleRate && shouldLabelSelections()) {
Chris@10 1358
Chris@10 1359 QString startText = QString("%1 / %2")
Chris@10 1360 .arg(QString::fromStdString
Chris@10 1361 (RealTime::frame2RealTime
Chris@10 1362 (i->getStartFrame(), sampleRate).toText(true)))
Chris@10 1363 .arg(i->getStartFrame());
Chris@10 1364
Chris@10 1365 QString endText = QString(" %1 / %2")
Chris@10 1366 .arg(QString::fromStdString
Chris@10 1367 (RealTime::frame2RealTime
Chris@10 1368 (i->getEndFrame(), sampleRate).toText(true)))
Chris@10 1369 .arg(i->getEndFrame());
Chris@10 1370
Chris@10 1371 QString durationText = QString("(%1 / %2) ")
Chris@10 1372 .arg(QString::fromStdString
Chris@10 1373 (RealTime::frame2RealTime
Chris@10 1374 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@10 1375 .toText(true)))
Chris@10 1376 .arg(i->getEndFrame() - i->getStartFrame());
Chris@10 1377
Chris@10 1378 int sw = metrics.width(startText),
Chris@10 1379 ew = metrics.width(endText),
Chris@10 1380 dw = metrics.width(durationText);
Chris@10 1381
Chris@10 1382 int sy = metrics.ascent() + metrics.height() + 4;
Chris@10 1383 int ey = sy;
Chris@10 1384 int dy = sy + metrics.height();
Chris@10 1385
Chris@10 1386 int sx = p0 + 2;
Chris@10 1387 int ex = sx;
Chris@10 1388 int dx = sx;
Chris@10 1389
Chris@10 1390 if (sw + ew > (p1 - p0)) {
Chris@10 1391 ey += metrics.height();
Chris@10 1392 dy += metrics.height();
Chris@10 1393 }
Chris@10 1394
Chris@10 1395 if (ew < (p1 - p0)) {
Chris@10 1396 ex = p1 - 2 - ew;
Chris@10 1397 }
Chris@10 1398
Chris@10 1399 if (dw < (p1 - p0)) {
Chris@10 1400 dx = p1 - 2 - dw;
Chris@10 1401 }
Chris@10 1402
Chris@10 1403 paint.drawText(sx, sy, startText);
Chris@10 1404 paint.drawText(ex, ey, endText);
Chris@10 1405 paint.drawText(dx, dy, durationText);
Chris@10 1406 }
Chris@9 1407 }
Chris@9 1408
Chris@9 1409 paint.restore();
Chris@9 1410 }
Chris@9 1411
Chris@3 1412 QString
Chris@3 1413 View::toXmlString(QString indent, QString extraAttributes) const
Chris@3 1414 {
Chris@3 1415 QString s;
Chris@3 1416
Chris@3 1417 s += indent;
Chris@3 1418
Chris@3 1419 s += QString("<view "
Chris@3 1420 "centre=\"%1\" "
Chris@3 1421 "zoom=\"%2\" "
Chris@3 1422 "followPan=\"%3\" "
Chris@3 1423 "followZoom=\"%4\" "
Chris@3 1424 "tracking=\"%5\" "
Chris@3 1425 "light=\"%6\" %7>\n")
Chris@3 1426 .arg(m_centreFrame)
Chris@3 1427 .arg(m_zoomLevel)
Chris@3 1428 .arg(m_followPan)
Chris@3 1429 .arg(m_followZoom)
Chris@3 1430 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@3 1431 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@3 1432 .arg(m_lightBackground)
Chris@3 1433 .arg(extraAttributes);
Chris@3 1434
Chris@3 1435 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@3 1436 s += m_layers[i]->toXmlString(indent + " ");
Chris@3 1437 }
Chris@3 1438
Chris@4 1439 s += indent + "</view>\n";
Chris@3 1440
Chris@3 1441 return s;
Chris@3 1442 }
Chris@3 1443
Chris@29 1444 ViewPropertyContainer::ViewPropertyContainer(View *v) :
Chris@29 1445 m_v(v)
Chris@29 1446 {
Chris@29 1447 connect(m_v, SIGNAL(propertyChanged(PropertyName)),
Chris@29 1448 this, SIGNAL(propertyChanged(PropertyName)));
Chris@29 1449 }
Chris@3 1450
Chris@0 1451 #ifdef INCLUDE_MOCFILES
Chris@0 1452 #include "View.moc.cpp"
Chris@0 1453 #endif
Chris@0 1454