annotate view/View.cpp @ 216:34bbbcb3c01f sv1-1.0pre1

* Make getPropertyRangeAndValue return the default separately from the current value. Previously some contexts were incorrectly treating the current value as a default.
author Chris Cannam
date Fri, 02 Mar 2007 14:00:12 +0000
parents df791d8c8f58
children bd2d0346da0e
rev   line source
Chris@127 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@127 2
Chris@127 3 /*
Chris@127 4 Sonic Visualiser
Chris@127 5 An audio file viewer and annotation editor.
Chris@127 6 Centre for Digital Music, Queen Mary, University of London.
Chris@127 7 This file copyright 2006 Chris Cannam.
Chris@127 8
Chris@127 9 This program is free software; you can redistribute it and/or
Chris@127 10 modify it under the terms of the GNU General Public License as
Chris@127 11 published by the Free Software Foundation; either version 2 of the
Chris@127 12 License, or (at your option) any later version. See the file
Chris@127 13 COPYING included with this distribution for more information.
Chris@127 14 */
Chris@127 15
Chris@128 16 #include "View.h"
Chris@128 17 #include "layer/Layer.h"
Chris@128 18 #include "data/model/Model.h"
Chris@127 19 #include "base/ZoomConstraint.h"
Chris@127 20 #include "base/Profiler.h"
Chris@127 21
Chris@127 22 #include "layer/TimeRulerLayer.h" //!!! damn, shouldn't be including that here
Chris@128 23 #include "data/model/PowerOfSqrtTwoZoomConstraint.h" //!!! likewise
Chris@127 24
Chris@127 25 #include <QPainter>
Chris@127 26 #include <QPaintEvent>
Chris@127 27 #include <QRect>
Chris@127 28 #include <QApplication>
Chris@127 29
Chris@127 30 #include <iostream>
Chris@127 31 #include <cassert>
Chris@127 32 #include <math.h>
Chris@127 33
Chris@127 34 //#define DEBUG_VIEW_WIDGET_PAINT 1
Chris@127 35
Chris@127 36 using std::cerr;
Chris@127 37 using std::endl;
Chris@127 38
Chris@127 39 View::View(QWidget *w, bool showProgress) :
Chris@127 40 QFrame(w),
Chris@127 41 m_centreFrame(0),
Chris@127 42 m_zoomLevel(1024),
Chris@127 43 m_followPan(true),
Chris@127 44 m_followZoom(true),
Chris@127 45 m_followPlay(PlaybackScrollPage),
Chris@153 46 m_playPointerFrame(0),
Chris@127 47 m_lightBackground(true),
Chris@127 48 m_showProgress(showProgress),
Chris@127 49 m_cache(0),
Chris@127 50 m_cacheCentreFrame(0),
Chris@127 51 m_cacheZoomLevel(1024),
Chris@127 52 m_selectionCached(false),
Chris@127 53 m_deleting(false),
Chris@127 54 m_haveSelectedLayer(false),
Chris@127 55 m_manager(0),
Chris@127 56 m_propertyContainer(new ViewPropertyContainer(this))
Chris@127 57 {
Chris@127 58 // QWidget::setAttribute(Qt::WA_PaintOnScreen);
Chris@127 59 }
Chris@127 60
Chris@127 61 View::~View()
Chris@127 62 {
Chris@127 63 // std::cerr << "View::~View(" << this << ")" << std::endl;
Chris@127 64
Chris@127 65 m_deleting = true;
Chris@127 66 delete m_propertyContainer;
Chris@127 67 }
Chris@127 68
Chris@127 69 PropertyContainer::PropertyList
Chris@127 70 View::getProperties() const
Chris@127 71 {
Chris@127 72 PropertyContainer::PropertyList list;
Chris@127 73 list.push_back("Global Scroll");
Chris@127 74 list.push_back("Global Zoom");
Chris@127 75 list.push_back("Follow Playback");
Chris@127 76 return list;
Chris@127 77 }
Chris@127 78
Chris@127 79 QString
Chris@127 80 View::getPropertyLabel(const PropertyName &pn) const
Chris@127 81 {
Chris@127 82 if (pn == "Global Scroll") return tr("Global Scroll");
Chris@127 83 if (pn == "Global Zoom") return tr("Global Zoom");
Chris@127 84 if (pn == "Follow Playback") return tr("Follow Playback");
Chris@127 85 return "";
Chris@127 86 }
Chris@127 87
Chris@127 88 PropertyContainer::PropertyType
Chris@127 89 View::getPropertyType(const PropertyContainer::PropertyName &name) const
Chris@127 90 {
Chris@127 91 if (name == "Global Scroll") return PropertyContainer::ToggleProperty;
Chris@127 92 if (name == "Global Zoom") return PropertyContainer::ToggleProperty;
Chris@127 93 if (name == "Follow Playback") return PropertyContainer::ValueProperty;
Chris@127 94 return PropertyContainer::InvalidProperty;
Chris@127 95 }
Chris@127 96
Chris@127 97 int
Chris@127 98 View::getPropertyRangeAndValue(const PropertyContainer::PropertyName &name,
Chris@216 99 int *min, int *max, int *deflt) const
Chris@127 100 {
Chris@216 101 if (deflt) *deflt = 1;
Chris@127 102 if (name == "Global Scroll") return m_followPan;
Chris@127 103 if (name == "Global Zoom") return m_followZoom;
Chris@127 104 if (name == "Follow Playback") {
Chris@127 105 if (min) *min = 0;
Chris@127 106 if (max) *max = 2;
Chris@216 107 if (deflt) *deflt = int(PlaybackScrollPage);
Chris@127 108 return int(m_followPlay);
Chris@127 109 }
Chris@127 110 if (min) *min = 0;
Chris@127 111 if (max) *max = 0;
Chris@216 112 if (deflt) *deflt = 0;
Chris@127 113 return 0;
Chris@127 114 }
Chris@127 115
Chris@127 116 QString
Chris@127 117 View::getPropertyValueLabel(const PropertyContainer::PropertyName &name,
Chris@127 118 int value) const
Chris@127 119 {
Chris@127 120 if (name == "Follow Playback") {
Chris@127 121 switch (value) {
Chris@127 122 default:
Chris@127 123 case 0: return tr("Scroll");
Chris@127 124 case 1: return tr("Page");
Chris@127 125 case 2: return tr("Off");
Chris@127 126 }
Chris@127 127 }
Chris@127 128 return tr("<unknown>");
Chris@127 129 }
Chris@127 130
Chris@127 131 void
Chris@127 132 View::setProperty(const PropertyContainer::PropertyName &name, int value)
Chris@127 133 {
Chris@127 134 if (name == "Global Scroll") {
Chris@127 135 setFollowGlobalPan(value != 0);
Chris@127 136 } else if (name == "Global Zoom") {
Chris@127 137 setFollowGlobalZoom(value != 0);
Chris@127 138 } else if (name == "Follow Playback") {
Chris@127 139 switch (value) {
Chris@127 140 default:
Chris@127 141 case 0: setPlaybackFollow(PlaybackScrollContinuous); break;
Chris@127 142 case 1: setPlaybackFollow(PlaybackScrollPage); break;
Chris@127 143 case 2: setPlaybackFollow(PlaybackIgnore); break;
Chris@127 144 }
Chris@127 145 }
Chris@127 146 }
Chris@127 147
Chris@127 148 size_t
Chris@127 149 View::getPropertyContainerCount() const
Chris@127 150 {
Chris@127 151 return m_layers.size() + 1; // the 1 is for me
Chris@127 152 }
Chris@127 153
Chris@127 154 const PropertyContainer *
Chris@127 155 View::getPropertyContainer(size_t i) const
Chris@127 156 {
Chris@127 157 return (const PropertyContainer *)(((View *)this)->
Chris@127 158 getPropertyContainer(i));
Chris@127 159 }
Chris@127 160
Chris@127 161 PropertyContainer *
Chris@127 162 View::getPropertyContainer(size_t i)
Chris@127 163 {
Chris@127 164 if (i == 0) return m_propertyContainer;
Chris@127 165 return m_layers[i-1];
Chris@127 166 }
Chris@127 167
Chris@127 168 bool
Chris@127 169 View::getValueExtents(QString unit, float &min, float &max, bool &log) const
Chris@127 170 {
Chris@127 171 bool have = false;
Chris@127 172
Chris@127 173 for (LayerList::const_iterator i = m_layers.begin();
Chris@127 174 i != m_layers.end(); ++i) {
Chris@127 175
Chris@127 176 QString layerUnit;
Chris@127 177 float layerMin = 0.0, layerMax = 0.0;
Chris@127 178 float displayMin = 0.0, displayMax = 0.0;
Chris@127 179 bool layerLog = false;
Chris@127 180
Chris@127 181 if ((*i)->getValueExtents(layerMin, layerMax, layerLog, layerUnit) &&
Chris@127 182 layerUnit.toLower() == unit.toLower()) {
Chris@127 183
Chris@127 184 if ((*i)->getDisplayExtents(displayMin, displayMax)) {
Chris@127 185
Chris@127 186 min = displayMin;
Chris@127 187 max = displayMax;
Chris@127 188 log = layerLog;
Chris@127 189 have = true;
Chris@127 190 break;
Chris@127 191
Chris@127 192 } else {
Chris@127 193
Chris@127 194 if (!have || layerMin < min) min = layerMin;
Chris@127 195 if (!have || layerMax > max) max = layerMax;
Chris@127 196 if (layerLog) log = true;
Chris@127 197 have = true;
Chris@127 198 }
Chris@127 199 }
Chris@127 200 }
Chris@127 201
Chris@127 202 return have;
Chris@127 203 }
Chris@127 204
Chris@127 205 int
Chris@127 206 View::getTextLabelHeight(const Layer *layer, QPainter &paint) const
Chris@127 207 {
Chris@127 208 std::map<int, Layer *> sortedLayers;
Chris@127 209
Chris@127 210 for (LayerList::const_iterator i = m_layers.begin();
Chris@127 211 i != m_layers.end(); ++i) {
Chris@127 212 if ((*i)->needsTextLabelHeight()) {
Chris@127 213 sortedLayers[getObjectExportId(*i)] = *i;
Chris@127 214 }
Chris@127 215 }
Chris@127 216
Chris@127 217 int y = 15 + paint.fontMetrics().ascent();
Chris@127 218
Chris@127 219 for (std::map<int, Layer *>::const_iterator i = sortedLayers.begin();
Chris@127 220 i != sortedLayers.end(); ++i) {
Chris@127 221 if (i->second == layer) return y;
Chris@127 222 y += paint.fontMetrics().height();
Chris@127 223 }
Chris@127 224
Chris@127 225 return y;
Chris@127 226 }
Chris@127 227
Chris@127 228 void
Chris@127 229 View::propertyContainerSelected(View *client, PropertyContainer *pc)
Chris@127 230 {
Chris@127 231 if (client != this) return;
Chris@127 232
Chris@127 233 if (pc == m_propertyContainer) {
Chris@127 234 if (m_haveSelectedLayer) {
Chris@127 235 m_haveSelectedLayer = false;
Chris@127 236 update();
Chris@127 237 }
Chris@127 238 return;
Chris@127 239 }
Chris@127 240
Chris@127 241 delete m_cache;
Chris@127 242 m_cache = 0;
Chris@127 243
Chris@127 244 Layer *selectedLayer = 0;
Chris@127 245
Chris@127 246 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 247 if (*i == pc) {
Chris@127 248 selectedLayer = *i;
Chris@127 249 m_layers.erase(i);
Chris@127 250 break;
Chris@127 251 }
Chris@127 252 }
Chris@127 253
Chris@127 254 if (selectedLayer) {
Chris@127 255 m_haveSelectedLayer = true;
Chris@127 256 m_layers.push_back(selectedLayer);
Chris@127 257 update();
Chris@127 258 } else {
Chris@127 259 m_haveSelectedLayer = false;
Chris@127 260 }
Chris@127 261 }
Chris@127 262
Chris@127 263 void
Chris@127 264 View::toolModeChanged()
Chris@127 265 {
Chris@127 266 // std::cerr << "View::toolModeChanged(" << m_manager->getToolMode() << ")" << std::endl;
Chris@127 267 }
Chris@127 268
Chris@133 269 void
Chris@133 270 View::overlayModeChanged()
Chris@133 271 {
Chris@206 272 delete m_cache;
Chris@206 273 m_cache = 0;
Chris@133 274 update();
Chris@133 275 }
Chris@133 276
Chris@133 277 void
Chris@133 278 View::zoomWheelsEnabledChanged()
Chris@133 279 {
Chris@133 280 // subclass might override this
Chris@133 281 }
Chris@133 282
Chris@127 283 long
Chris@127 284 View::getStartFrame() const
Chris@127 285 {
Chris@127 286 size_t w2 = (width() / 2) * m_zoomLevel;
Chris@127 287 size_t frame = m_centreFrame;
Chris@127 288 if (frame >= w2) {
Chris@127 289 frame -= w2;
Chris@127 290 return (frame / m_zoomLevel * m_zoomLevel);
Chris@127 291 } else {
Chris@127 292 frame = w2 - frame;
Chris@127 293 frame = frame / m_zoomLevel * m_zoomLevel;
Chris@127 294 return -(long)frame - m_zoomLevel;
Chris@127 295 }
Chris@127 296 }
Chris@127 297
Chris@127 298 size_t
Chris@127 299 View::getEndFrame() const
Chris@127 300 {
Chris@127 301 return getFrameForX(width()) - 1;
Chris@127 302 }
Chris@127 303
Chris@127 304 void
Chris@127 305 View::setStartFrame(long f)
Chris@127 306 {
Chris@127 307 setCentreFrame(f + m_zoomLevel * (width() / 2));
Chris@127 308 }
Chris@127 309
Chris@127 310 bool
Chris@127 311 View::setCentreFrame(size_t f, bool e)
Chris@127 312 {
Chris@127 313 bool changeVisible = false;
Chris@127 314
Chris@127 315 if (m_centreFrame != f) {
Chris@127 316
Chris@127 317 int formerPixel = m_centreFrame / m_zoomLevel;
Chris@127 318
Chris@127 319 m_centreFrame = f;
Chris@127 320
Chris@127 321 int newPixel = m_centreFrame / m_zoomLevel;
Chris@127 322
Chris@127 323 if (newPixel != formerPixel) {
Chris@127 324
Chris@127 325 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 326 std::cout << "View(" << this << ")::setCentreFrame: newPixel " << newPixel << ", formerPixel " << formerPixel << std::endl;
Chris@127 327 #endif
Chris@127 328 update();
Chris@127 329
Chris@127 330 changeVisible = true;
Chris@127 331 }
Chris@127 332
Chris@211 333 if (e) emit centreFrameChanged(f, m_followPan, m_followPlay);
Chris@127 334 }
Chris@127 335
Chris@127 336 return changeVisible;
Chris@127 337 }
Chris@127 338
Chris@127 339 int
Chris@127 340 View::getXForFrame(long frame) const
Chris@127 341 {
Chris@127 342 return (frame - getStartFrame()) / m_zoomLevel;
Chris@127 343 }
Chris@127 344
Chris@127 345 long
Chris@127 346 View::getFrameForX(int x) const
Chris@127 347 {
Chris@127 348 return (long(x) * long(m_zoomLevel)) + getStartFrame();
Chris@127 349 }
Chris@127 350
Chris@127 351 float
Chris@127 352 View::getYForFrequency(float frequency,
Chris@127 353 float minf,
Chris@127 354 float maxf,
Chris@127 355 bool logarithmic) const
Chris@127 356 {
Chris@127 357 int h = height();
Chris@127 358
Chris@127 359 if (logarithmic) {
Chris@127 360
Chris@127 361 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@127 362 static float logminf = 0.0, logmaxf = 0.0;
Chris@127 363
Chris@127 364 if (lastminf != minf) {
Chris@127 365 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@127 366 logminf = log10f(minf);
Chris@127 367 }
Chris@127 368 if (lastmaxf != maxf) {
Chris@127 369 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@127 370 logmaxf = log10f(maxf);
Chris@127 371 }
Chris@127 372
Chris@127 373 if (logminf == logmaxf) return 0;
Chris@127 374 return h - (h * (log10f(frequency) - logminf)) / (logmaxf - logminf);
Chris@127 375
Chris@127 376 } else {
Chris@127 377
Chris@127 378 if (minf == maxf) return 0;
Chris@127 379 return h - (h * (frequency - minf)) / (maxf - minf);
Chris@127 380 }
Chris@127 381 }
Chris@127 382
Chris@127 383 float
Chris@127 384 View::getFrequencyForY(int y,
Chris@127 385 float minf,
Chris@127 386 float maxf,
Chris@127 387 bool logarithmic) const
Chris@127 388 {
Chris@127 389 int h = height();
Chris@127 390
Chris@127 391 if (logarithmic) {
Chris@127 392
Chris@127 393 static float lastminf = 0.0, lastmaxf = 0.0;
Chris@127 394 static float logminf = 0.0, logmaxf = 0.0;
Chris@127 395
Chris@127 396 if (lastminf != minf) {
Chris@127 397 lastminf = (minf == 0.0 ? 1.0 : minf);
Chris@127 398 logminf = log10f(minf);
Chris@127 399 }
Chris@127 400 if (lastmaxf != maxf) {
Chris@127 401 lastmaxf = (maxf < lastminf ? lastminf : maxf);
Chris@127 402 logmaxf = log10f(maxf);
Chris@127 403 }
Chris@127 404
Chris@127 405 if (logminf == logmaxf) return 0;
Chris@127 406 return pow(10.f, logminf + ((logmaxf - logminf) * (h - y)) / h);
Chris@127 407
Chris@127 408 } else {
Chris@127 409
Chris@127 410 if (minf == maxf) return 0;
Chris@127 411 return minf + ((h - y) * (maxf - minf)) / h;
Chris@127 412 }
Chris@127 413 }
Chris@127 414
Chris@127 415 int
Chris@127 416 View::getZoomLevel() const
Chris@127 417 {
Chris@127 418 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 419 std::cout << "zoom level: " << m_zoomLevel << std::endl;
Chris@127 420 #endif
Chris@127 421 return m_zoomLevel;
Chris@127 422 }
Chris@127 423
Chris@127 424 void
Chris@127 425 View::setZoomLevel(size_t z)
Chris@127 426 {
Chris@127 427 if (m_zoomLevel != int(z)) {
Chris@127 428 m_zoomLevel = z;
Chris@127 429 emit zoomLevelChanged(this, z, m_followZoom);
Chris@127 430 update();
Chris@127 431 }
Chris@127 432 }
Chris@127 433
Chris@127 434 View::LayerProgressBar::LayerProgressBar(QWidget *parent) :
Chris@127 435 QProgressBar(parent)
Chris@127 436 {
Chris@127 437 QFont f(font());
Chris@127 438 f.setPointSize(f.pointSize() * 8 / 10);
Chris@127 439 setFont(f);
Chris@127 440 }
Chris@127 441
Chris@127 442 void
Chris@127 443 View::addLayer(Layer *layer)
Chris@127 444 {
Chris@127 445 delete m_cache;
Chris@127 446 m_cache = 0;
Chris@127 447
Chris@127 448 m_layers.push_back(layer);
Chris@127 449
Chris@127 450 m_progressBars[layer] = new LayerProgressBar(this);
Chris@127 451 m_progressBars[layer]->setMinimum(0);
Chris@127 452 m_progressBars[layer]->setMaximum(100);
Chris@127 453 m_progressBars[layer]->setMinimumWidth(80);
Chris@127 454 m_progressBars[layer]->hide();
Chris@127 455
Chris@127 456 connect(layer, SIGNAL(layerParametersChanged()),
Chris@127 457 this, SLOT(layerParametersChanged()));
Chris@197 458 connect(layer, SIGNAL(layerParameterRangesChanged()),
Chris@197 459 this, SLOT(layerParameterRangesChanged()));
Chris@127 460 connect(layer, SIGNAL(layerNameChanged()),
Chris@127 461 this, SLOT(layerNameChanged()));
Chris@127 462 connect(layer, SIGNAL(modelChanged()),
Chris@127 463 this, SLOT(modelChanged()));
Chris@127 464 connect(layer, SIGNAL(modelCompletionChanged()),
Chris@127 465 this, SLOT(modelCompletionChanged()));
Chris@127 466 connect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@127 467 this, SLOT(modelChanged(size_t, size_t)));
Chris@127 468 connect(layer, SIGNAL(modelReplaced()),
Chris@127 469 this, SLOT(modelReplaced()));
Chris@127 470
Chris@127 471 update();
Chris@127 472
Chris@127 473 emit propertyContainerAdded(layer);
Chris@127 474 }
Chris@127 475
Chris@127 476 void
Chris@127 477 View::removeLayer(Layer *layer)
Chris@127 478 {
Chris@127 479 if (m_deleting) {
Chris@127 480 return;
Chris@127 481 }
Chris@127 482
Chris@127 483 delete m_cache;
Chris@127 484 m_cache = 0;
Chris@127 485
Chris@127 486 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 487 if (*i == layer) {
Chris@127 488 m_layers.erase(i);
Chris@127 489 if (m_progressBars.find(layer) != m_progressBars.end()) {
Chris@127 490 delete m_progressBars[layer];
Chris@127 491 m_progressBars.erase(layer);
Chris@127 492 }
Chris@127 493 break;
Chris@127 494 }
Chris@127 495 }
Chris@127 496
Chris@197 497 disconnect(layer, SIGNAL(layerParametersChanged()),
Chris@197 498 this, SLOT(layerParametersChanged()));
Chris@197 499 disconnect(layer, SIGNAL(layerParameterRangesChanged()),
Chris@197 500 this, SLOT(layerParameterRangesChanged()));
Chris@197 501 disconnect(layer, SIGNAL(layerNameChanged()),
Chris@197 502 this, SLOT(layerNameChanged()));
Chris@197 503 disconnect(layer, SIGNAL(modelChanged()),
Chris@197 504 this, SLOT(modelChanged()));
Chris@197 505 disconnect(layer, SIGNAL(modelCompletionChanged()),
Chris@197 506 this, SLOT(modelCompletionChanged()));
Chris@197 507 disconnect(layer, SIGNAL(modelChanged(size_t, size_t)),
Chris@197 508 this, SLOT(modelChanged(size_t, size_t)));
Chris@197 509 disconnect(layer, SIGNAL(modelReplaced()),
Chris@197 510 this, SLOT(modelReplaced()));
Chris@197 511
Chris@127 512 update();
Chris@127 513
Chris@127 514 emit propertyContainerRemoved(layer);
Chris@127 515 }
Chris@127 516
Chris@127 517 Layer *
Chris@127 518 View::getSelectedLayer()
Chris@127 519 {
Chris@127 520 if (m_haveSelectedLayer && !m_layers.empty()) {
Chris@127 521 return getLayer(getLayerCount() - 1);
Chris@127 522 } else {
Chris@127 523 return 0;
Chris@127 524 }
Chris@127 525 }
Chris@127 526
Chris@127 527 const Layer *
Chris@127 528 View::getSelectedLayer() const
Chris@127 529 {
Chris@127 530 return const_cast<const Layer *>(const_cast<View *>(this)->getSelectedLayer());
Chris@127 531 }
Chris@127 532
Chris@127 533 void
Chris@127 534 View::setViewManager(ViewManager *manager)
Chris@127 535 {
Chris@127 536 if (m_manager) {
Chris@211 537 m_manager->disconnect(this, SLOT(globalCentreFrameChanged(unsigned long)));
Chris@211 538 m_manager->disconnect(this, SLOT(viewCentreFrameChanged(View *, unsigned long)));
Chris@211 539 m_manager->disconnect(this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@127 540 m_manager->disconnect(this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@211 541 m_manager->disconnect(this, SLOT(toolModeChanged()));
Chris@211 542 m_manager->disconnect(this, SLOT(selectionChanged()));
Chris@211 543 m_manager->disconnect(this, SLOT(overlayModeChanged()));
Chris@211 544 m_manager->disconnect(this, SLOT(zoomWheelsEnabledChanged()));
Chris@211 545 disconnect(m_manager, SIGNAL(viewCentreFrameChanged(unsigned long, bool, PlaybackFollowMode)));
Chris@127 546 disconnect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@127 547 }
Chris@127 548
Chris@127 549 m_manager = manager;
Chris@127 550 if (m_followPan) setCentreFrame(m_manager->getGlobalCentreFrame(), false);
Chris@127 551 if (m_followZoom) setZoomLevel(m_manager->getGlobalZoom());
Chris@127 552
Chris@211 553 connect(m_manager, SIGNAL(globalCentreFrameChanged(unsigned long)),
Chris@211 554 this, SLOT(globalCentreFrameChanged(unsigned long)));
Chris@213 555 connect(m_manager, SIGNAL(viewCentreFrameChanged(View *, unsigned long)),
Chris@211 556 this, SLOT(viewCentreFrameChanged(View *, unsigned long)));
Chris@127 557 connect(m_manager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@127 558 this, SLOT(viewManagerPlaybackFrameChanged(unsigned long)));
Chris@211 559
Chris@127 560 connect(m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@127 561 this, SLOT(viewManagerZoomLevelChanged(void *, unsigned long, bool)));
Chris@211 562
Chris@127 563 connect(m_manager, SIGNAL(toolModeChanged()),
Chris@127 564 this, SLOT(toolModeChanged()));
Chris@127 565 connect(m_manager, SIGNAL(selectionChanged()),
Chris@127 566 this, SLOT(selectionChanged()));
Chris@127 567 connect(m_manager, SIGNAL(inProgressSelectionChanged()),
Chris@127 568 this, SLOT(selectionChanged()));
Chris@127 569 connect(m_manager, SIGNAL(overlayModeChanged()),
Chris@133 570 this, SLOT(overlayModeChanged()));
Chris@133 571 connect(m_manager, SIGNAL(zoomWheelsEnabledChanged()),
Chris@133 572 this, SLOT(zoomWheelsEnabledChanged()));
Chris@127 573
Chris@211 574 connect(this, SIGNAL(centreFrameChanged(unsigned long, bool,
Chris@211 575 PlaybackFollowMode)),
Chris@211 576 m_manager, SLOT(viewCentreFrameChanged(unsigned long, bool,
Chris@211 577 PlaybackFollowMode)));
Chris@211 578
Chris@127 579 connect(this, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)),
Chris@127 580 m_manager, SIGNAL(zoomLevelChanged(void *, unsigned long, bool)));
Chris@127 581
Chris@127 582 toolModeChanged();
Chris@127 583 }
Chris@127 584
Chris@127 585 void
Chris@127 586 View::setFollowGlobalPan(bool f)
Chris@127 587 {
Chris@127 588 m_followPan = f;
Chris@127 589 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 590 }
Chris@127 591
Chris@127 592 void
Chris@127 593 View::setFollowGlobalZoom(bool f)
Chris@127 594 {
Chris@127 595 m_followZoom = f;
Chris@127 596 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 597 }
Chris@127 598
Chris@127 599 void
Chris@127 600 View::drawVisibleText(QPainter &paint, int x, int y, QString text, TextStyle style)
Chris@127 601 {
Chris@127 602 if (style == OutlinedText) {
Chris@127 603
Chris@127 604 QColor origPenColour = paint.pen().color();
Chris@127 605 QColor penColour = origPenColour;
Chris@127 606 QColor surroundColour = Qt::white; //palette().background().color();
Chris@127 607
Chris@127 608 if (!hasLightBackground()) {
Chris@127 609 int h, s, v;
Chris@127 610 penColour.getHsv(&h, &s, &v);
Chris@127 611 penColour = QColor::fromHsv(h, s, 255 - v);
Chris@127 612 surroundColour = Qt::black;
Chris@127 613 }
Chris@127 614
Chris@127 615 paint.setPen(surroundColour);
Chris@127 616
Chris@127 617 for (int dx = -1; dx <= 1; ++dx) {
Chris@127 618 for (int dy = -1; dy <= 1; ++dy) {
Chris@127 619 if (!(dx || dy)) continue;
Chris@127 620 paint.drawText(x + dx, y + dy, text);
Chris@127 621 }
Chris@127 622 }
Chris@127 623
Chris@127 624 paint.setPen(penColour);
Chris@127 625
Chris@127 626 paint.drawText(x, y, text);
Chris@127 627
Chris@127 628 paint.setPen(origPenColour);
Chris@127 629
Chris@127 630 } else {
Chris@127 631
Chris@127 632 std::cerr << "ERROR: View::drawVisibleText: Boxed style not yet implemented!" << std::endl;
Chris@127 633 }
Chris@127 634 }
Chris@127 635
Chris@127 636 void
Chris@127 637 View::setPlaybackFollow(PlaybackFollowMode m)
Chris@127 638 {
Chris@127 639 m_followPlay = m;
Chris@127 640 emit propertyContainerPropertyChanged(m_propertyContainer);
Chris@127 641 }
Chris@127 642
Chris@127 643 void
Chris@127 644 View::modelChanged()
Chris@127 645 {
Chris@127 646 QObject *obj = sender();
Chris@127 647
Chris@127 648 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 649 std::cerr << "View(" << this << ")::modelChanged()" << std::endl;
Chris@127 650 #endif
Chris@127 651
Chris@127 652 // If the model that has changed is not used by any of the cached
Chris@127 653 // layers, we won't need to recreate the cache
Chris@127 654
Chris@127 655 bool recreate = false;
Chris@127 656
Chris@127 657 bool discard;
Chris@127 658 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@127 659 for (LayerList::const_iterator i = scrollables.begin();
Chris@127 660 i != scrollables.end(); ++i) {
Chris@127 661 if (*i == obj || (*i)->getModel() == obj) {
Chris@127 662 recreate = true;
Chris@127 663 break;
Chris@127 664 }
Chris@127 665 }
Chris@127 666
Chris@127 667 if (recreate) {
Chris@127 668 delete m_cache;
Chris@127 669 m_cache = 0;
Chris@127 670 }
Chris@127 671
Chris@127 672 checkProgress(obj);
Chris@127 673
Chris@127 674 update();
Chris@127 675 }
Chris@127 676
Chris@127 677 void
Chris@127 678 View::modelChanged(size_t startFrame, size_t endFrame)
Chris@127 679 {
Chris@127 680 QObject *obj = sender();
Chris@127 681
Chris@127 682 long myStartFrame = getStartFrame();
Chris@127 683 size_t myEndFrame = getEndFrame();
Chris@127 684
Chris@127 685 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 686 std::cerr << "View(" << this << ")::modelChanged(" << startFrame << "," << endFrame << ") [me " << myStartFrame << "," << myEndFrame << "]" << std::endl;
Chris@127 687 #endif
Chris@127 688
Chris@127 689 if (myStartFrame > 0 && endFrame < size_t(myStartFrame)) {
Chris@127 690 checkProgress(obj);
Chris@127 691 return;
Chris@127 692 }
Chris@127 693 if (startFrame > myEndFrame) {
Chris@127 694 checkProgress(obj);
Chris@127 695 return;
Chris@127 696 }
Chris@127 697
Chris@127 698 // If the model that has changed is not used by any of the cached
Chris@127 699 // layers, we won't need to recreate the cache
Chris@127 700
Chris@127 701 bool recreate = false;
Chris@127 702
Chris@127 703 bool discard;
Chris@127 704 LayerList scrollables = getScrollableBackLayers(false, discard);
Chris@127 705 for (LayerList::const_iterator i = scrollables.begin();
Chris@127 706 i != scrollables.end(); ++i) {
Chris@127 707 if (*i == obj || (*i)->getModel() == obj) {
Chris@127 708 recreate = true;
Chris@127 709 break;
Chris@127 710 }
Chris@127 711 }
Chris@127 712
Chris@127 713 if (recreate) {
Chris@127 714 delete m_cache;
Chris@127 715 m_cache = 0;
Chris@127 716 }
Chris@127 717
Chris@127 718 if (long(startFrame) < myStartFrame) startFrame = myStartFrame;
Chris@127 719 if (endFrame > myEndFrame) endFrame = myEndFrame;
Chris@127 720
Chris@127 721 checkProgress(obj);
Chris@127 722
Chris@127 723 update();
Chris@127 724 }
Chris@127 725
Chris@127 726 void
Chris@127 727 View::modelCompletionChanged()
Chris@127 728 {
Chris@127 729 QObject *obj = sender();
Chris@127 730 checkProgress(obj);
Chris@127 731 }
Chris@127 732
Chris@127 733 void
Chris@127 734 View::modelReplaced()
Chris@127 735 {
Chris@127 736 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 737 std::cerr << "View(" << this << ")::modelReplaced()" << std::endl;
Chris@127 738 #endif
Chris@127 739 delete m_cache;
Chris@127 740 m_cache = 0;
Chris@127 741
Chris@127 742 update();
Chris@127 743 }
Chris@127 744
Chris@127 745 void
Chris@127 746 View::layerParametersChanged()
Chris@127 747 {
Chris@127 748 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@127 749
Chris@127 750 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 751 std::cerr << "View::layerParametersChanged()" << std::endl;
Chris@127 752 #endif
Chris@127 753
Chris@127 754 delete m_cache;
Chris@127 755 m_cache = 0;
Chris@127 756 update();
Chris@127 757
Chris@127 758 if (layer) {
Chris@127 759 emit propertyContainerPropertyChanged(layer);
Chris@127 760 }
Chris@127 761 }
Chris@127 762
Chris@127 763 void
Chris@197 764 View::layerParameterRangesChanged()
Chris@197 765 {
Chris@197 766 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@197 767 if (layer) emit propertyContainerPropertyRangeChanged(layer);
Chris@197 768 }
Chris@197 769
Chris@197 770 void
Chris@127 771 View::layerNameChanged()
Chris@127 772 {
Chris@127 773 Layer *layer = dynamic_cast<Layer *>(sender());
Chris@127 774 if (layer) emit propertyContainerNameChanged(layer);
Chris@127 775 }
Chris@127 776
Chris@127 777 void
Chris@211 778 View::globalCentreFrameChanged(unsigned long f)
Chris@127 779 {
Chris@211 780 if (m_followPan) {
Chris@211 781 setCentreFrame(f, false);
Chris@127 782 }
Chris@127 783 }
Chris@127 784
Chris@127 785 void
Chris@211 786 View::viewCentreFrameChanged(View *v, unsigned long f)
Chris@211 787 {
Chris@211 788 // We do nothing with this, but a subclass might
Chris@211 789 }
Chris@211 790
Chris@211 791 void
Chris@127 792 View::viewManagerPlaybackFrameChanged(unsigned long f)
Chris@127 793 {
Chris@127 794 if (m_manager) {
Chris@127 795 if (sender() != m_manager) return;
Chris@127 796 }
Chris@127 797
Chris@127 798 if (m_playPointerFrame == f) return;
Chris@127 799 bool visible = (getXForFrame(m_playPointerFrame) != getXForFrame(f));
Chris@127 800 size_t oldPlayPointerFrame = m_playPointerFrame;
Chris@127 801 m_playPointerFrame = f;
Chris@127 802 if (!visible) return;
Chris@127 803
Chris@127 804 switch (m_followPlay) {
Chris@127 805
Chris@127 806 case PlaybackScrollContinuous:
Chris@127 807 if (QApplication::mouseButtons() == Qt::NoButton) {
Chris@211 808 setCentreFrame(f, false);
Chris@127 809 }
Chris@127 810 break;
Chris@127 811
Chris@127 812 case PlaybackScrollPage:
Chris@127 813 {
Chris@127 814 int xold = getXForFrame(oldPlayPointerFrame);
Chris@127 815 update(xold - 1, 0, 3, height());
Chris@127 816
Chris@127 817 long w = getEndFrame() - getStartFrame();
Chris@127 818 w -= w/5;
Chris@127 819 long sf = (f / w) * w - w/8;
Chris@127 820
Chris@127 821 if (m_manager &&
Chris@127 822 m_manager->isPlaying() &&
Chris@127 823 m_manager->getPlaySelectionMode()) {
Chris@127 824 MultiSelection::SelectionList selections = m_manager->getSelections();
Chris@127 825 if (!selections.empty()) {
Chris@127 826 size_t selectionStart = selections.begin()->getStartFrame();
Chris@127 827 if (sf < long(selectionStart) - w / 10) {
Chris@127 828 sf = long(selectionStart) - w / 10;
Chris@127 829 }
Chris@127 830 }
Chris@127 831 }
Chris@127 832
Chris@127 833 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 834 std::cerr << "PlaybackScrollPage: f = " << f << ", sf = " << sf << ", start frame "
Chris@127 835 << getStartFrame() << std::endl;
Chris@127 836 #endif
Chris@127 837
Chris@127 838 // We don't consider scrolling unless the pointer is outside
Chris@127 839 // the clearly visible range already
Chris@127 840
Chris@127 841 int xnew = getXForFrame(m_playPointerFrame);
Chris@127 842
Chris@127 843 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 844 std::cerr << "xnew = " << xnew << ", width = " << width() << std::endl;
Chris@127 845 #endif
Chris@127 846
Chris@127 847 if (xnew < width()/8 || xnew > (width()*7)/8) {
Chris@127 848 if (QApplication::mouseButtons() == Qt::NoButton) {
Chris@127 849 long offset = getFrameForX(width()/2) - getStartFrame();
Chris@127 850 long newCentre = sf + offset;
Chris@127 851 bool changed = setCentreFrame(newCentre, false);
Chris@127 852 if (changed) {
Chris@127 853 xold = getXForFrame(oldPlayPointerFrame);
Chris@127 854 update(xold - 1, 0, 3, height());
Chris@127 855 }
Chris@127 856 }
Chris@127 857 }
Chris@127 858
Chris@127 859 update(xnew - 1, 0, 3, height());
Chris@127 860
Chris@127 861 break;
Chris@127 862 }
Chris@127 863
Chris@127 864 case PlaybackIgnore:
Chris@127 865 if (long(f) >= getStartFrame() && f < getEndFrame()) {
Chris@127 866 update();
Chris@127 867 }
Chris@127 868 break;
Chris@127 869 }
Chris@127 870 }
Chris@127 871
Chris@127 872 void
Chris@127 873 View::viewManagerZoomLevelChanged(void *p, unsigned long z, bool locked)
Chris@127 874 {
Chris@127 875 if (m_followZoom && p != this && locked) {
Chris@127 876 if (m_manager && (sender() == m_manager)) {
Chris@127 877 setZoomLevel(z);
Chris@127 878 if (p == this) repaint();
Chris@127 879 }
Chris@127 880 }
Chris@127 881 }
Chris@127 882
Chris@127 883 void
Chris@127 884 View::selectionChanged()
Chris@127 885 {
Chris@127 886 if (m_selectionCached) {
Chris@127 887 delete m_cache;
Chris@127 888 m_cache = 0;
Chris@127 889 m_selectionCached = false;
Chris@127 890 }
Chris@127 891 update();
Chris@127 892 }
Chris@127 893
Chris@127 894 size_t
Chris@127 895 View::getModelsStartFrame() const
Chris@127 896 {
Chris@127 897 bool first = true;
Chris@127 898 size_t startFrame = 0;
Chris@127 899
Chris@127 900 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 901
Chris@127 902 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 903
Chris@127 904 size_t thisStartFrame = (*i)->getModel()->getStartFrame();
Chris@127 905
Chris@127 906 if (first || thisStartFrame < startFrame) {
Chris@127 907 startFrame = thisStartFrame;
Chris@127 908 }
Chris@127 909 first = false;
Chris@127 910 }
Chris@127 911 }
Chris@127 912 return startFrame;
Chris@127 913 }
Chris@127 914
Chris@127 915 size_t
Chris@127 916 View::getModelsEndFrame() const
Chris@127 917 {
Chris@127 918 bool first = true;
Chris@127 919 size_t endFrame = 0;
Chris@127 920
Chris@127 921 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 922
Chris@127 923 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 924
Chris@127 925 size_t thisEndFrame = (*i)->getModel()->getEndFrame();
Chris@127 926
Chris@127 927 if (first || thisEndFrame > endFrame) {
Chris@127 928 endFrame = thisEndFrame;
Chris@127 929 }
Chris@127 930 first = false;
Chris@127 931 }
Chris@127 932 }
Chris@127 933
Chris@127 934 if (first) return getModelsStartFrame();
Chris@127 935 return endFrame;
Chris@127 936 }
Chris@127 937
Chris@127 938 int
Chris@127 939 View::getModelsSampleRate() const
Chris@127 940 {
Chris@127 941 //!!! Just go for the first, for now. If we were supporting
Chris@127 942 // multiple samplerates, we'd probably want to do frame/time
Chris@127 943 // conversion in the model
Chris@127 944
Chris@159 945 //!!! nah, this wants to always return the sr of the main model!
Chris@159 946
Chris@127 947 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 948 if ((*i)->getModel() && (*i)->getModel()->isOK()) {
Chris@127 949 return (*i)->getModel()->getSampleRate();
Chris@127 950 }
Chris@127 951 }
Chris@127 952 return 0;
Chris@127 953 }
Chris@127 954
Chris@127 955 bool
Chris@127 956 View::areLayersScrollable() const
Chris@127 957 {
Chris@127 958 // True iff all views are scrollable
Chris@127 959 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 960 if (!(*i)->isLayerScrollable(this)) return false;
Chris@127 961 }
Chris@127 962 return true;
Chris@127 963 }
Chris@127 964
Chris@127 965 View::LayerList
Chris@127 966 View::getScrollableBackLayers(bool testChanged, bool &changed) const
Chris@127 967 {
Chris@127 968 changed = false;
Chris@127 969
Chris@127 970 // We want a list of all the scrollable layers that are behind the
Chris@127 971 // backmost non-scrollable layer.
Chris@127 972
Chris@127 973 LayerList scrollables;
Chris@127 974 bool metUnscrollable = false;
Chris@127 975
Chris@127 976 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@132 977 // std::cerr << "View::getScrollableBackLayers: calling isLayerDormant on layer " << *i << std::endl;
Chris@132 978 // std::cerr << "(name is " << (*i)->objectName().toStdString() << ")"
Chris@132 979 // << std::endl;
Chris@132 980 // std::cerr << "View::getScrollableBackLayers: I am " << this << std::endl;
Chris@127 981 if ((*i)->isLayerDormant(this)) continue;
Chris@127 982 if ((*i)->isLayerOpaque()) {
Chris@127 983 // You can't see anything behind an opaque layer!
Chris@127 984 scrollables.clear();
Chris@127 985 if (metUnscrollable) break;
Chris@127 986 }
Chris@127 987 if (!metUnscrollable && (*i)->isLayerScrollable(this)) {
Chris@127 988 scrollables.push_back(*i);
Chris@127 989 } else {
Chris@127 990 metUnscrollable = true;
Chris@127 991 }
Chris@127 992 }
Chris@127 993
Chris@127 994 if (testChanged && scrollables != m_lastScrollableBackLayers) {
Chris@127 995 m_lastScrollableBackLayers = scrollables;
Chris@127 996 changed = true;
Chris@127 997 }
Chris@127 998 return scrollables;
Chris@127 999 }
Chris@127 1000
Chris@127 1001 View::LayerList
Chris@127 1002 View::getNonScrollableFrontLayers(bool testChanged, bool &changed) const
Chris@127 1003 {
Chris@127 1004 changed = false;
Chris@127 1005 LayerList nonScrollables;
Chris@127 1006
Chris@127 1007 // Everything in front of the first non-scrollable from the back
Chris@127 1008 // should also be considered non-scrollable
Chris@127 1009
Chris@127 1010 bool started = false;
Chris@127 1011
Chris@127 1012 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1013 if ((*i)->isLayerDormant(this)) continue;
Chris@127 1014 if (!started && (*i)->isLayerScrollable(this)) {
Chris@127 1015 continue;
Chris@127 1016 }
Chris@127 1017 started = true;
Chris@127 1018 if ((*i)->isLayerOpaque()) {
Chris@127 1019 // You can't see anything behind an opaque layer!
Chris@127 1020 nonScrollables.clear();
Chris@127 1021 }
Chris@127 1022 nonScrollables.push_back(*i);
Chris@127 1023 }
Chris@127 1024
Chris@127 1025 if (testChanged && nonScrollables != m_lastNonScrollableBackLayers) {
Chris@127 1026 m_lastNonScrollableBackLayers = nonScrollables;
Chris@127 1027 changed = true;
Chris@127 1028 }
Chris@127 1029
Chris@127 1030 return nonScrollables;
Chris@127 1031 }
Chris@127 1032
Chris@127 1033 size_t
Chris@127 1034 View::getZoomConstraintBlockSize(size_t blockSize,
Chris@127 1035 ZoomConstraint::RoundingDirection dir)
Chris@127 1036 const
Chris@127 1037 {
Chris@127 1038 size_t candidate = blockSize;
Chris@127 1039 bool haveCandidate = false;
Chris@127 1040
Chris@127 1041 PowerOfSqrtTwoZoomConstraint defaultZoomConstraint;
Chris@127 1042
Chris@127 1043 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@127 1044
Chris@127 1045 const ZoomConstraint *zoomConstraint = (*i)->getZoomConstraint();
Chris@127 1046 if (!zoomConstraint) zoomConstraint = &defaultZoomConstraint;
Chris@127 1047
Chris@127 1048 size_t thisBlockSize =
Chris@127 1049 zoomConstraint->getNearestBlockSize(blockSize, dir);
Chris@127 1050
Chris@127 1051 // Go for the block size that's furthest from the one
Chris@127 1052 // passed in. Most of the time, that's what we want.
Chris@127 1053 if (!haveCandidate ||
Chris@127 1054 (thisBlockSize > blockSize && thisBlockSize > candidate) ||
Chris@127 1055 (thisBlockSize < blockSize && thisBlockSize < candidate)) {
Chris@127 1056 candidate = thisBlockSize;
Chris@127 1057 haveCandidate = true;
Chris@127 1058 }
Chris@127 1059 }
Chris@127 1060
Chris@127 1061 return candidate;
Chris@127 1062 }
Chris@127 1063
Chris@183 1064 bool
Chris@183 1065 View::areLayerColoursSignificant() const
Chris@183 1066 {
Chris@183 1067 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@183 1068 if ((*i)->isLayerColourSignificant()) return true;
Chris@183 1069 if ((*i)->isLayerOpaque()) break;
Chris@183 1070 }
Chris@183 1071 return false;
Chris@183 1072 }
Chris@183 1073
Chris@127 1074 void
Chris@127 1075 View::zoom(bool in)
Chris@127 1076 {
Chris@127 1077 int newZoomLevel = m_zoomLevel;
Chris@127 1078
Chris@127 1079 if (in) {
Chris@127 1080 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@127 1081 ZoomConstraint::RoundDown);
Chris@127 1082 } else {
Chris@127 1083 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@127 1084 ZoomConstraint::RoundUp);
Chris@127 1085 }
Chris@127 1086
Chris@127 1087 if (newZoomLevel != m_zoomLevel) {
Chris@127 1088 setZoomLevel(newZoomLevel);
Chris@127 1089 }
Chris@127 1090 }
Chris@127 1091
Chris@127 1092 void
Chris@127 1093 View::scroll(bool right, bool lots)
Chris@127 1094 {
Chris@127 1095 long delta;
Chris@127 1096 if (lots) {
Chris@127 1097 delta = (getEndFrame() - getStartFrame()) / 2;
Chris@127 1098 } else {
Chris@127 1099 delta = (getEndFrame() - getStartFrame()) / 20;
Chris@127 1100 }
Chris@127 1101 if (right) delta = -delta;
Chris@127 1102
Chris@127 1103 if (int(m_centreFrame) < delta) {
Chris@127 1104 setCentreFrame(0);
Chris@127 1105 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@127 1106 setCentreFrame(getModelsEndFrame());
Chris@127 1107 } else {
Chris@127 1108 setCentreFrame(m_centreFrame - delta);
Chris@127 1109 }
Chris@127 1110 }
Chris@127 1111
Chris@127 1112 void
Chris@127 1113 View::checkProgress(void *object)
Chris@127 1114 {
Chris@127 1115 if (!m_showProgress) return;
Chris@127 1116
Chris@127 1117 int ph = height();
Chris@127 1118
Chris@127 1119 for (ProgressMap::const_iterator i = m_progressBars.begin();
Chris@127 1120 i != m_progressBars.end(); ++i) {
Chris@127 1121
Chris@127 1122 if (i->first == object) {
Chris@127 1123
Chris@127 1124 int completion = i->first->getCompletion(this);
Chris@127 1125
Chris@127 1126 if (completion >= 100) {
Chris@127 1127
Chris@127 1128 i->second->hide();
Chris@127 1129
Chris@127 1130 } else {
Chris@127 1131
Chris@127 1132 i->second->setText(i->first->getPropertyContainerName());
Chris@132 1133
Chris@127 1134 i->second->setValue(completion);
Chris@127 1135 i->second->move(0, ph - i->second->height());
Chris@127 1136
Chris@127 1137 i->second->show();
Chris@127 1138 i->second->update();
Chris@127 1139
Chris@127 1140 ph -= i->second->height();
Chris@127 1141 }
Chris@127 1142 } else {
Chris@127 1143 if (i->second->isVisible()) {
Chris@127 1144 ph -= i->second->height();
Chris@127 1145 }
Chris@127 1146 }
Chris@127 1147 }
Chris@127 1148 }
Chris@127 1149
Chris@127 1150 void
Chris@127 1151 View::paintEvent(QPaintEvent *e)
Chris@127 1152 {
Chris@127 1153 // Profiler prof("View::paintEvent", false);
Chris@127 1154 // std::cerr << "View::paintEvent" << std::endl;
Chris@127 1155
Chris@127 1156 if (m_layers.empty()) {
Chris@127 1157 QFrame::paintEvent(e);
Chris@127 1158 return;
Chris@127 1159 }
Chris@127 1160
Chris@127 1161 // ensure our constraints are met
Chris@137 1162
Chris@137 1163 /*!!! Should we do this only if we have layers that can't support other
Chris@137 1164 zoom levels?
Chris@137 1165
Chris@127 1166 m_zoomLevel = getZoomConstraintBlockSize(m_zoomLevel,
Chris@127 1167 ZoomConstraint::RoundUp);
Chris@137 1168 */
Chris@127 1169
Chris@127 1170 QPainter paint;
Chris@127 1171 bool repaintCache = false;
Chris@127 1172 bool paintedCacheRect = false;
Chris@127 1173
Chris@127 1174 QRect cacheRect(rect());
Chris@127 1175
Chris@127 1176 if (e) {
Chris@127 1177 cacheRect &= e->rect();
Chris@127 1178 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1179 std::cerr << "paint rect " << cacheRect.width() << "x" << cacheRect.height()
Chris@127 1180 << ", my rect " << width() << "x" << height() << std::endl;
Chris@127 1181 #endif
Chris@127 1182 }
Chris@127 1183
Chris@127 1184 QRect nonCacheRect(cacheRect);
Chris@127 1185
Chris@127 1186 // If not all layers are scrollable, but some of the back layers
Chris@127 1187 // are, we should store only those in the cache.
Chris@127 1188
Chris@127 1189 bool layersChanged = false;
Chris@127 1190 LayerList scrollables = getScrollableBackLayers(true, layersChanged);
Chris@127 1191 LayerList nonScrollables = getNonScrollableFrontLayers(true, layersChanged);
Chris@127 1192 bool selectionCacheable = nonScrollables.empty();
Chris@127 1193 bool haveSelections = m_manager && !m_manager->getSelections().empty();
Chris@127 1194 bool selectionDrawn = false;
Chris@127 1195
Chris@127 1196 // If all the non-scrollable layers are non-opaque, then we draw
Chris@127 1197 // the selection rectangle behind them and cache it. If any are
Chris@127 1198 // opaque, however, we can't cache.
Chris@127 1199 //
Chris@127 1200 if (!selectionCacheable) {
Chris@127 1201 selectionCacheable = true;
Chris@127 1202 for (LayerList::const_iterator i = nonScrollables.begin();
Chris@127 1203 i != nonScrollables.end(); ++i) {
Chris@127 1204 if ((*i)->isLayerOpaque()) {
Chris@127 1205 selectionCacheable = false;
Chris@127 1206 break;
Chris@127 1207 }
Chris@127 1208 }
Chris@127 1209 }
Chris@127 1210
Chris@127 1211 if (selectionCacheable) {
Chris@127 1212 QPoint localPos;
Chris@127 1213 bool closeToLeft, closeToRight;
Chris@127 1214 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@127 1215 selectionCacheable = false;
Chris@127 1216 }
Chris@127 1217 }
Chris@127 1218
Chris@127 1219 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1220 std::cerr << "View(" << this << ")::paintEvent: have " << scrollables.size()
Chris@127 1221 << " scrollable back layers and " << nonScrollables.size()
Chris@127 1222 << " non-scrollable front layers" << std::endl;
Chris@127 1223 std::cerr << "haveSelections " << haveSelections << ", selectionCacheable "
Chris@127 1224 << selectionCacheable << ", m_selectionCached " << m_selectionCached << std::endl;
Chris@127 1225 #endif
Chris@127 1226
Chris@127 1227 if (layersChanged || scrollables.empty() ||
Chris@127 1228 (haveSelections && (selectionCacheable != m_selectionCached))) {
Chris@127 1229 delete m_cache;
Chris@127 1230 m_cache = 0;
Chris@127 1231 m_selectionCached = false;
Chris@127 1232 }
Chris@127 1233
Chris@127 1234 if (!scrollables.empty()) {
Chris@127 1235 if (!m_cache ||
Chris@127 1236 m_cacheZoomLevel != m_zoomLevel ||
Chris@127 1237 width() != m_cache->width() ||
Chris@127 1238 height() != m_cache->height()) {
Chris@127 1239
Chris@127 1240 // cache is not valid
Chris@127 1241
Chris@127 1242 if (cacheRect.width() < width()/10) {
Chris@127 1243 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1244 std::cerr << "View(" << this << ")::paintEvent: small repaint, not bothering to recreate cache" << std::endl;
Chris@127 1245 #endif
Chris@127 1246 } else {
Chris@127 1247 delete m_cache;
Chris@127 1248 m_cache = new QPixmap(width(), height());
Chris@127 1249 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1250 std::cerr << "View(" << this << ")::paintEvent: recreated cache" << std::endl;
Chris@127 1251 #endif
Chris@127 1252 cacheRect = rect();
Chris@127 1253 repaintCache = true;
Chris@127 1254 }
Chris@127 1255
Chris@127 1256 } else if (m_cacheCentreFrame != m_centreFrame) {
Chris@127 1257
Chris@127 1258 long dx =
Chris@127 1259 getXForFrame(m_cacheCentreFrame) -
Chris@127 1260 getXForFrame(m_centreFrame);
Chris@127 1261
Chris@127 1262 if (dx > -width() && dx < width()) {
Chris@127 1263 #if defined(Q_WS_WIN32) || defined(Q_WS_MAC)
Chris@127 1264 // Copying a pixmap to itself doesn't work properly on Windows
Chris@127 1265 // or Mac (it only works when moving in one direction)
Chris@127 1266 static QPixmap *tmpPixmap = 0;
Chris@127 1267 if (!tmpPixmap ||
Chris@127 1268 tmpPixmap->width() != width() ||
Chris@127 1269 tmpPixmap->height() != height()) {
Chris@127 1270 delete tmpPixmap;
Chris@127 1271 tmpPixmap = new QPixmap(width(), height());
Chris@127 1272 }
Chris@127 1273 paint.begin(tmpPixmap);
Chris@127 1274 paint.drawPixmap(0, 0, *m_cache);
Chris@127 1275 paint.end();
Chris@127 1276 paint.begin(m_cache);
Chris@127 1277 paint.drawPixmap(dx, 0, *tmpPixmap);
Chris@127 1278 paint.end();
Chris@127 1279 #else
Chris@127 1280 // But it seems to be fine on X11
Chris@127 1281 paint.begin(m_cache);
Chris@127 1282 paint.drawPixmap(dx, 0, *m_cache);
Chris@127 1283 paint.end();
Chris@127 1284 #endif
Chris@127 1285
Chris@127 1286 if (dx < 0) {
Chris@127 1287 cacheRect = QRect(width() + dx, 0, -dx, height());
Chris@127 1288 } else {
Chris@127 1289 cacheRect = QRect(0, 0, dx, height());
Chris@127 1290 }
Chris@127 1291 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1292 std::cerr << "View(" << this << ")::paintEvent: scrolled cache by " << dx << std::endl;
Chris@127 1293 #endif
Chris@127 1294 } else {
Chris@127 1295 cacheRect = rect();
Chris@127 1296 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1297 std::cerr << "View(" << this << ")::paintEvent: scrolling too far" << std::endl;
Chris@127 1298 #endif
Chris@127 1299 }
Chris@127 1300 repaintCache = true;
Chris@127 1301
Chris@127 1302 } else {
Chris@127 1303 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1304 std::cerr << "View(" << this << ")::paintEvent: cache is good" << std::endl;
Chris@127 1305 #endif
Chris@127 1306 paint.begin(this);
Chris@127 1307 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@127 1308 paint.end();
Chris@127 1309 QFrame::paintEvent(e);
Chris@127 1310 paintedCacheRect = true;
Chris@127 1311 }
Chris@127 1312
Chris@127 1313 m_cacheCentreFrame = m_centreFrame;
Chris@127 1314 m_cacheZoomLevel = m_zoomLevel;
Chris@127 1315 }
Chris@127 1316
Chris@127 1317 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1318 // std::cerr << "View(" << this << ")::paintEvent: cacheRect " << cacheRect << ", nonCacheRect " << (nonCacheRect | cacheRect) << ", repaintCache " << repaintCache << ", paintedCacheRect " << paintedCacheRect << std::endl;
Chris@127 1319 #endif
Chris@127 1320
Chris@127 1321 // Scrollable (cacheable) items first
Chris@127 1322
Chris@127 1323 if (!paintedCacheRect) {
Chris@127 1324
Chris@127 1325 if (repaintCache) paint.begin(m_cache);
Chris@127 1326 else paint.begin(this);
Chris@127 1327
Chris@127 1328 paint.setClipRect(cacheRect);
Chris@127 1329
Chris@127 1330 if (hasLightBackground()) {
Chris@127 1331 paint.setPen(Qt::white);
Chris@127 1332 paint.setBrush(Qt::white);
Chris@127 1333 } else {
Chris@127 1334 paint.setPen(Qt::black);
Chris@127 1335 paint.setBrush(Qt::black);
Chris@127 1336 }
Chris@127 1337 paint.drawRect(cacheRect);
Chris@127 1338
Chris@127 1339 paint.setPen(Qt::black);
Chris@127 1340 paint.setBrush(Qt::NoBrush);
Chris@127 1341
Chris@127 1342 for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
Chris@127 1343 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@127 1344 paint.save();
Chris@127 1345 (*i)->paint(this, paint, cacheRect);
Chris@127 1346 paint.restore();
Chris@127 1347 }
Chris@127 1348
Chris@127 1349 if (haveSelections && selectionCacheable) {
Chris@127 1350 drawSelections(paint);
Chris@127 1351 m_selectionCached = repaintCache;
Chris@127 1352 selectionDrawn = true;
Chris@127 1353 }
Chris@127 1354
Chris@127 1355 paint.end();
Chris@127 1356
Chris@127 1357 if (repaintCache) {
Chris@127 1358 cacheRect |= (e ? e->rect() : rect());
Chris@127 1359 paint.begin(this);
Chris@127 1360 paint.drawPixmap(cacheRect, *m_cache, cacheRect);
Chris@127 1361 paint.end();
Chris@127 1362 }
Chris@127 1363 }
Chris@127 1364
Chris@127 1365 // Now non-cacheable items. We always need to redraw the
Chris@127 1366 // non-cacheable items across at least the area we drew of the
Chris@127 1367 // cacheable items.
Chris@127 1368
Chris@127 1369 nonCacheRect |= cacheRect;
Chris@127 1370
Chris@127 1371 paint.begin(this);
Chris@127 1372 paint.setClipRect(nonCacheRect);
Chris@127 1373
Chris@127 1374 if (scrollables.empty()) {
Chris@127 1375 if (hasLightBackground()) {
Chris@127 1376 paint.setPen(Qt::white);
Chris@127 1377 paint.setBrush(Qt::white);
Chris@127 1378 } else {
Chris@127 1379 paint.setPen(Qt::black);
Chris@127 1380 paint.setBrush(Qt::black);
Chris@127 1381 }
Chris@127 1382 paint.drawRect(nonCacheRect);
Chris@127 1383 }
Chris@127 1384
Chris@127 1385 paint.setPen(Qt::black);
Chris@127 1386 paint.setBrush(Qt::NoBrush);
Chris@127 1387
Chris@127 1388 for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
Chris@127 1389 // Profiler profiler2("View::paintEvent non-cacheable");
Chris@127 1390 (*i)->paint(this, paint, nonCacheRect);
Chris@127 1391 }
Chris@127 1392
Chris@127 1393 paint.end();
Chris@127 1394
Chris@127 1395 paint.begin(this);
Chris@127 1396 if (e) paint.setClipRect(e->rect());
Chris@127 1397 if (!m_selectionCached) {
Chris@127 1398 drawSelections(paint);
Chris@127 1399 }
Chris@127 1400 paint.end();
Chris@127 1401
Chris@211 1402 bool showPlayPointer = true;
Chris@211 1403 if (m_followPlay == PlaybackScrollContinuous) {
Chris@211 1404 showPlayPointer = false;
Chris@211 1405 } else if (long(m_playPointerFrame) <= getStartFrame() ||
Chris@211 1406 m_playPointerFrame >= getEndFrame()) {
Chris@211 1407 showPlayPointer = false;
Chris@211 1408 } else if (m_manager && !m_manager->isPlaying()) {
Chris@211 1409 if (m_playPointerFrame == getCentreFrame() &&
Chris@211 1410 m_followPlay != PlaybackIgnore) {
Chris@211 1411 showPlayPointer = false;
Chris@211 1412 }
Chris@211 1413 }
Chris@211 1414
Chris@211 1415 if (showPlayPointer) {
Chris@127 1416
Chris@127 1417 paint.begin(this);
Chris@127 1418
Chris@211 1419 int playx = getXForFrame(m_playPointerFrame);
Chris@211 1420
Chris@211 1421 paint.setPen(Qt::black);
Chris@211 1422 paint.drawLine(playx - 1, 0, playx - 1, height() - 1);
Chris@211 1423 paint.drawLine(playx + 1, 0, playx + 1, height() - 1);
Chris@211 1424 paint.drawPoint(playx, 0);
Chris@211 1425 paint.drawPoint(playx, height() - 1);
Chris@211 1426 paint.setPen(Qt::white);
Chris@211 1427 paint.drawLine(playx, 1, playx, height() - 2);
Chris@127 1428
Chris@127 1429 paint.end();
Chris@127 1430 }
Chris@127 1431
Chris@127 1432 QFrame::paintEvent(e);
Chris@127 1433 }
Chris@127 1434
Chris@127 1435 void
Chris@127 1436 View::drawSelections(QPainter &paint)
Chris@127 1437 {
Chris@127 1438 MultiSelection::SelectionList selections;
Chris@127 1439
Chris@127 1440 if (m_manager) {
Chris@127 1441 selections = m_manager->getSelections();
Chris@127 1442 if (m_manager->haveInProgressSelection()) {
Chris@127 1443 bool exclusive;
Chris@127 1444 Selection inProgressSelection =
Chris@127 1445 m_manager->getInProgressSelection(exclusive);
Chris@127 1446 if (exclusive) selections.clear();
Chris@127 1447 selections.insert(inProgressSelection);
Chris@127 1448 }
Chris@127 1449 }
Chris@127 1450
Chris@127 1451 paint.save();
Chris@183 1452
Chris@183 1453 bool translucent = !areLayerColoursSignificant();
Chris@183 1454
Chris@183 1455 if (translucent) {
Chris@183 1456 paint.setBrush(QColor(150, 150, 255, 80));
Chris@183 1457 } else {
Chris@183 1458 paint.setBrush(Qt::NoBrush);
Chris@183 1459 }
Chris@127 1460
Chris@127 1461 int sampleRate = getModelsSampleRate();
Chris@127 1462
Chris@127 1463 QPoint localPos;
Chris@127 1464 long illuminateFrame = -1;
Chris@127 1465 bool closeToLeft, closeToRight;
Chris@127 1466
Chris@127 1467 if (shouldIlluminateLocalSelection(localPos, closeToLeft, closeToRight)) {
Chris@127 1468 illuminateFrame = getFrameForX(localPos.x());
Chris@127 1469 }
Chris@127 1470
Chris@127 1471 const QFontMetrics &metrics = paint.fontMetrics();
Chris@127 1472
Chris@127 1473 for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@127 1474 i != selections.end(); ++i) {
Chris@127 1475
Chris@127 1476 int p0 = getXForFrame(i->getStartFrame());
Chris@127 1477 int p1 = getXForFrame(i->getEndFrame());
Chris@127 1478
Chris@127 1479 if (p1 < 0 || p0 > width()) continue;
Chris@127 1480
Chris@127 1481 #ifdef DEBUG_VIEW_WIDGET_PAINT
Chris@127 1482 std::cerr << "View::drawSelections: " << p0 << ",-1 [" << (p1-p0) << "x" << (height()+1) << "]" << std::endl;
Chris@127 1483 #endif
Chris@127 1484
Chris@127 1485 bool illuminateThis =
Chris@127 1486 (illuminateFrame >= 0 && i->contains(illuminateFrame));
Chris@127 1487
Chris@127 1488 paint.setPen(QColor(150, 150, 255));
Chris@183 1489
Chris@183 1490 if (translucent && shouldLabelSelections()) {
Chris@183 1491 paint.drawRect(p0, -1, p1 - p0, height() + 1);
Chris@183 1492 } else {
Chris@183 1493 // Make the top & bottom lines of the box visible if we
Chris@183 1494 // are lacking some of the other visual cues. There's no
Chris@183 1495 // particular logic to this, it's just a question of what
Chris@183 1496 // I happen to think looks nice.
Chris@183 1497 paint.drawRect(p0, 0, p1 - p0, height() - 1);
Chris@183 1498 }
Chris@127 1499
Chris@127 1500 if (illuminateThis) {
Chris@127 1501 paint.save();
Chris@127 1502 if (hasLightBackground()) {
Chris@127 1503 paint.setPen(QPen(Qt::black, 2));
Chris@127 1504 } else {
Chris@127 1505 paint.setPen(QPen(Qt::white, 2));
Chris@127 1506 }
Chris@127 1507 if (closeToLeft) {
Chris@127 1508 paint.drawLine(p0, 1, p1, 1);
Chris@127 1509 paint.drawLine(p0, 0, p0, height());
Chris@127 1510 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@127 1511 } else if (closeToRight) {
Chris@127 1512 paint.drawLine(p0, 1, p1, 1);
Chris@127 1513 paint.drawLine(p1, 0, p1, height());
Chris@127 1514 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@127 1515 } else {
Chris@127 1516 paint.setBrush(Qt::NoBrush);
Chris@127 1517 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@127 1518 }
Chris@127 1519 paint.restore();
Chris@127 1520 }
Chris@127 1521
Chris@127 1522 if (sampleRate && shouldLabelSelections() && m_manager &&
Chris@189 1523 m_manager->shouldShowSelectionExtents()) {
Chris@127 1524
Chris@127 1525 QString startText = QString("%1 / %2")
Chris@127 1526 .arg(QString::fromStdString
Chris@127 1527 (RealTime::frame2RealTime
Chris@127 1528 (i->getStartFrame(), sampleRate).toText(true)))
Chris@127 1529 .arg(i->getStartFrame());
Chris@127 1530
Chris@127 1531 QString endText = QString(" %1 / %2")
Chris@127 1532 .arg(QString::fromStdString
Chris@127 1533 (RealTime::frame2RealTime
Chris@127 1534 (i->getEndFrame(), sampleRate).toText(true)))
Chris@127 1535 .arg(i->getEndFrame());
Chris@127 1536
Chris@127 1537 QString durationText = QString("(%1 / %2) ")
Chris@127 1538 .arg(QString::fromStdString
Chris@127 1539 (RealTime::frame2RealTime
Chris@127 1540 (i->getEndFrame() - i->getStartFrame(), sampleRate)
Chris@127 1541 .toText(true)))
Chris@127 1542 .arg(i->getEndFrame() - i->getStartFrame());
Chris@127 1543
Chris@127 1544 int sw = metrics.width(startText),
Chris@127 1545 ew = metrics.width(endText),
Chris@127 1546 dw = metrics.width(durationText);
Chris@127 1547
Chris@127 1548 int sy = metrics.ascent() + metrics.height() + 4;
Chris@127 1549 int ey = sy;
Chris@127 1550 int dy = sy + metrics.height();
Chris@127 1551
Chris@127 1552 int sx = p0 + 2;
Chris@127 1553 int ex = sx;
Chris@127 1554 int dx = sx;
Chris@127 1555
Chris@127 1556 if (sw + ew > (p1 - p0)) {
Chris@127 1557 ey += metrics.height();
Chris@127 1558 dy += metrics.height();
Chris@127 1559 }
Chris@127 1560
Chris@127 1561 if (ew < (p1 - p0)) {
Chris@127 1562 ex = p1 - 2 - ew;
Chris@127 1563 }
Chris@127 1564
Chris@127 1565 if (dw < (p1 - p0)) {
Chris@127 1566 dx = p1 - 2 - dw;
Chris@127 1567 }
Chris@127 1568
Chris@127 1569 paint.drawText(sx, sy, startText);
Chris@127 1570 paint.drawText(ex, ey, endText);
Chris@127 1571 paint.drawText(dx, dy, durationText);
Chris@127 1572 }
Chris@127 1573 }
Chris@127 1574
Chris@127 1575 paint.restore();
Chris@127 1576 }
Chris@127 1577
Chris@127 1578 QString
Chris@127 1579 View::toXmlString(QString indent, QString extraAttributes) const
Chris@127 1580 {
Chris@127 1581 QString s;
Chris@127 1582
Chris@127 1583 s += indent;
Chris@127 1584
Chris@127 1585 s += QString("<view "
Chris@127 1586 "centre=\"%1\" "
Chris@127 1587 "zoom=\"%2\" "
Chris@127 1588 "followPan=\"%3\" "
Chris@127 1589 "followZoom=\"%4\" "
Chris@127 1590 "tracking=\"%5\" "
Chris@127 1591 "light=\"%6\" %7>\n")
Chris@127 1592 .arg(m_centreFrame)
Chris@127 1593 .arg(m_zoomLevel)
Chris@127 1594 .arg(m_followPan)
Chris@127 1595 .arg(m_followZoom)
Chris@127 1596 .arg(m_followPlay == PlaybackScrollContinuous ? "scroll" :
Chris@127 1597 m_followPlay == PlaybackScrollPage ? "page" : "ignore")
Chris@127 1598 .arg(m_lightBackground)
Chris@127 1599 .arg(extraAttributes);
Chris@127 1600
Chris@127 1601 for (size_t i = 0; i < m_layers.size(); ++i) {
Chris@186 1602 bool visible = !m_layers[i]->isLayerDormant(this);
Chris@186 1603 s += m_layers[i]->toXmlString(indent + " ",
Chris@186 1604 QString("visible=\"%1\"")
Chris@186 1605 .arg(visible ? "true" : "false"));
Chris@127 1606 }
Chris@127 1607
Chris@127 1608 s += indent + "</view>\n";
Chris@127 1609
Chris@127 1610 return s;
Chris@127 1611 }
Chris@127 1612
Chris@127 1613 ViewPropertyContainer::ViewPropertyContainer(View *v) :
Chris@127 1614 m_v(v)
Chris@127 1615 {
Chris@127 1616 connect(m_v, SIGNAL(propertyChanged(PropertyContainer::PropertyName)),
Chris@127 1617 this, SIGNAL(propertyChanged(PropertyContainer::PropertyName)));
Chris@127 1618 }
Chris@127 1619