annotate widgets/Pane.cpp @ 49:2818ec5d1985

* Further MainWindow -> Document refactoring
author Chris Cannam
date Wed, 08 Mar 2006 12:38:28 +0000
parents 97b0643bd799
children 75cfbc6e709b
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@5 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 #include "widgets/Pane.h"
Chris@0 11 #include "base/Layer.h"
Chris@0 12 #include "base/Model.h"
Chris@0 13 #include "base/ZoomConstraint.h"
Chris@0 14 #include "base/RealTime.h"
Chris@0 15 #include "base/Profiler.h"
Chris@13 16 #include "base/ViewManager.h"
Chris@41 17 #include "layer/WaveformLayer.h"
Chris@0 18
Chris@0 19 #include <QPaintEvent>
Chris@0 20 #include <QPainter>
Chris@0 21 #include <iostream>
Chris@0 22 #include <cmath>
Chris@0 23
Chris@0 24 using std::cerr;
Chris@0 25 using std::endl;
Chris@0 26
Chris@0 27 Pane::Pane(QWidget *w) :
Chris@0 28 View(w, true),
Chris@0 29 m_identifyFeatures(false),
Chris@0 30 m_clickedInRange(false),
Chris@0 31 m_shiftPressed(false),
Chris@13 32 m_ctrlPressed(false),
Chris@17 33 m_navigating(false),
Chris@17 34 m_resizing(false),
Chris@0 35 m_centreLineVisible(true)
Chris@0 36 {
Chris@0 37 setObjectName("Pane");
Chris@0 38 setMouseTracking(true);
Chris@0 39 }
Chris@0 40
Chris@0 41 bool
Chris@44 42 Pane::shouldIlluminateLocalFeatures(const Layer *layer, QPoint &pos) const
Chris@0 43 {
Chris@42 44 QPoint discard;
Chris@42 45 bool b0, b1;
Chris@42 46
Chris@42 47 if (layer == getSelectedLayer() &&
Chris@42 48 !shouldIlluminateLocalSelection(discard, b0, b1)) {
Chris@42 49
Chris@27 50 pos = m_identifyPoint;
Chris@27 51 return m_identifyFeatures;
Chris@27 52 }
Chris@0 53
Chris@0 54 return false;
Chris@0 55 }
Chris@0 56
Chris@42 57 bool
Chris@42 58 Pane::shouldIlluminateLocalSelection(QPoint &pos,
Chris@42 59 bool &closeToLeft,
Chris@44 60 bool &closeToRight) const
Chris@42 61 {
Chris@42 62 if (m_identifyFeatures &&
Chris@42 63 m_manager &&
Chris@42 64 m_manager->getToolMode() == ViewManager::EditMode &&
Chris@42 65 !m_manager->getSelections().empty() &&
Chris@42 66 !selectionIsBeingEdited()) {
Chris@42 67
Chris@42 68 Selection s(getSelectionAt(m_identifyPoint.x(),
Chris@42 69 closeToLeft, closeToRight));
Chris@42 70
Chris@42 71 if (!s.isEmpty()) {
Chris@42 72 if (getSelectedLayer() && getSelectedLayer()->isLayerEditable()) {
Chris@42 73
Chris@42 74 pos = m_identifyPoint;
Chris@42 75 return true;
Chris@42 76 }
Chris@42 77 }
Chris@42 78 }
Chris@42 79
Chris@42 80 return false;
Chris@42 81 }
Chris@42 82
Chris@42 83 bool
Chris@42 84 Pane::selectionIsBeingEdited() const
Chris@42 85 {
Chris@42 86 if (!m_editingSelection.isEmpty()) {
Chris@42 87 if (m_mousePos != m_clickPos &&
Chris@42 88 getFrameForX(m_mousePos.x()) != getFrameForX(m_clickPos.x())) {
Chris@42 89 return true;
Chris@42 90 }
Chris@42 91 }
Chris@42 92 return false;
Chris@42 93 }
Chris@42 94
Chris@0 95 void
Chris@0 96 Pane::setCentreLineVisible(bool visible)
Chris@0 97 {
Chris@0 98 m_centreLineVisible = visible;
Chris@0 99 update();
Chris@0 100 }
Chris@0 101
Chris@0 102 void
Chris@0 103 Pane::paintEvent(QPaintEvent *e)
Chris@0 104 {
Chris@0 105 QPainter paint;
Chris@0 106
Chris@0 107 QRect r(rect());
Chris@0 108
Chris@0 109 if (e) {
Chris@0 110 r = e->rect();
Chris@0 111 }
Chris@0 112 /*
Chris@0 113 paint.begin(this);
Chris@0 114 paint.setClipRect(r);
Chris@0 115
Chris@0 116 if (hasLightBackground()) {
Chris@0 117 paint.setPen(Qt::white);
Chris@0 118 paint.setBrush(Qt::white);
Chris@0 119 } else {
Chris@0 120 paint.setPen(Qt::black);
Chris@0 121 paint.setBrush(Qt::black);
Chris@0 122 }
Chris@0 123 paint.drawRect(r);
Chris@0 124
Chris@0 125 paint.end();
Chris@0 126 */
Chris@0 127 View::paintEvent(e);
Chris@0 128
Chris@0 129 paint.begin(this);
Chris@0 130
Chris@0 131 if (e) {
Chris@0 132 paint.setClipRect(r);
Chris@0 133 }
Chris@41 134
Chris@41 135 const Model *waveformModel = 0; // just for reporting purposes
Chris@41 136
Chris@0 137 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@0 138 --vi;
Chris@0 139
Chris@41 140 if (dynamic_cast<WaveformLayer *>(*vi)) {
Chris@41 141 waveformModel = (*vi)->getModel();
Chris@41 142 }
Chris@41 143
Chris@44 144 int sw = (*vi)->getVerticalScaleWidth(this, paint);
Chris@0 145
Chris@0 146 if (sw > 0 && r.left() < sw) {
Chris@0 147
Chris@0 148 // Profiler profiler("Pane::paintEvent - painting vertical scale", true);
Chris@0 149
Chris@0 150 // std::cerr << "Pane::paintEvent: calling paint.save() in vertical scale block" << std::endl;
Chris@0 151 paint.save();
Chris@0 152
Chris@0 153 paint.setPen(Qt::black);
Chris@0 154 paint.setBrush(Qt::white);
Chris@0 155 paint.drawRect(0, 0, sw, height());
Chris@0 156
Chris@0 157 paint.setBrush(Qt::NoBrush);
Chris@44 158 (*vi)->paintVerticalScale(this, paint, QRect(0, 0, sw, height()));
Chris@0 159
Chris@0 160 paint.restore();
Chris@0 161 }
Chris@41 162
Chris@0 163 if (m_identifyFeatures) {
Chris@25 164
Chris@25 165 QPoint pos = m_identifyPoint;
Chris@44 166 QString desc = (*vi)->getFeatureDescription(this, pos);
Chris@25 167
Chris@25 168 if (desc != "") {
Chris@25 169
Chris@25 170 paint.save();
Chris@25 171
Chris@25 172 int tabStop =
Chris@25 173 paint.fontMetrics().width(tr("Some lengthy prefix:"));
Chris@25 174
Chris@25 175 QRect boundingRect =
Chris@25 176 paint.fontMetrics().boundingRect
Chris@25 177 (rect(),
Chris@25 178 Qt::AlignRight | Qt::AlignTop | Qt::TextExpandTabs,
Chris@25 179 desc, tabStop);
Chris@25 180
Chris@25 181 if (hasLightBackground()) {
Chris@25 182 paint.setPen(Qt::NoPen);
Chris@25 183 paint.setBrush(QColor(250, 250, 250, 200));
Chris@25 184 } else {
Chris@25 185 paint.setPen(Qt::NoPen);
Chris@25 186 paint.setBrush(QColor(50, 50, 50, 200));
Chris@25 187 }
Chris@25 188
Chris@25 189 int extra = paint.fontMetrics().descent();
Chris@25 190 paint.drawRect(width() - boundingRect.width() - 10 - extra,
Chris@25 191 10 - extra,
Chris@25 192 boundingRect.width() + 2 * extra,
Chris@25 193 boundingRect.height() + extra);
Chris@25 194
Chris@25 195 if (hasLightBackground()) {
Chris@25 196 paint.setPen(QColor(150, 20, 0));
Chris@25 197 } else {
Chris@25 198 paint.setPen(QColor(255, 150, 100));
Chris@25 199 }
Chris@25 200
Chris@25 201 QTextOption option;
Chris@25 202 option.setWrapMode(QTextOption::NoWrap);
Chris@25 203 option.setAlignment(Qt::AlignRight | Qt::AlignTop);
Chris@25 204 option.setTabStop(tabStop);
Chris@25 205 paint.drawText(QRectF(width() - boundingRect.width() - 10, 10,
Chris@25 206 boundingRect.width(),
Chris@25 207 boundingRect.height()),
Chris@25 208 desc,
Chris@25 209 option);
Chris@25 210
Chris@25 211 paint.restore();
Chris@25 212 }
Chris@0 213 }
Chris@0 214
Chris@0 215 break;
Chris@0 216 }
Chris@0 217
Chris@0 218 if (m_centreLineVisible) {
Chris@0 219
Chris@0 220 if (hasLightBackground()) {
Chris@0 221 paint.setPen(QColor(50, 50, 50));
Chris@0 222 } else {
Chris@0 223 paint.setPen(QColor(200, 200, 200));
Chris@0 224 }
Chris@0 225 paint.setBrush(Qt::NoBrush);
Chris@0 226 paint.drawLine(width() / 2, 0, width() / 2, height() - 1);
Chris@0 227
Chris@0 228 // QFont font(paint.font());
Chris@0 229 // font.setBold(true);
Chris@0 230 // paint.setFont(font);
Chris@0 231
Chris@0 232 int sampleRate = getModelsSampleRate();
Chris@0 233 int y = height() - paint.fontMetrics().height()
Chris@0 234 + paint.fontMetrics().ascent() - 6;
Chris@0 235
Chris@0 236 LayerList::iterator vi = m_layers.end();
Chris@0 237
Chris@0 238 if (vi != m_layers.begin()) {
Chris@0 239
Chris@0 240 switch ((*--vi)->getPreferredFrameCountPosition()) {
Chris@0 241
Chris@0 242 case Layer::PositionTop:
Chris@0 243 y = paint.fontMetrics().ascent() + 6;
Chris@0 244 break;
Chris@0 245
Chris@0 246 case Layer::PositionMiddle:
Chris@0 247 y = (height() - paint.fontMetrics().height()) / 2
Chris@0 248 + paint.fontMetrics().ascent();
Chris@0 249 break;
Chris@0 250
Chris@0 251 case Layer::PositionBottom:
Chris@0 252 // y already set correctly
Chris@0 253 break;
Chris@0 254 }
Chris@0 255 }
Chris@0 256
Chris@0 257 if (sampleRate) {
Chris@0 258
Chris@0 259 QString text(QString::fromStdString
Chris@0 260 (RealTime::frame2RealTime
Chris@0 261 (m_centreFrame, sampleRate).toText(true)));
Chris@0 262
Chris@0 263 int tw = paint.fontMetrics().width(text);
Chris@0 264 int x = width()/2 - 4 - tw;
Chris@0 265
Chris@0 266 if (hasLightBackground()) {
Chris@0 267 paint.setPen(palette().background().color());
Chris@0 268 for (int dx = -1; dx <= 1; ++dx) {
Chris@0 269 for (int dy = -1; dy <= 1; ++dy) {
Chris@0 270 if ((dx && dy) || !(dx || dy)) continue;
Chris@0 271 paint.drawText(x + dx, y + dy, text);
Chris@0 272 }
Chris@0 273 }
Chris@0 274 paint.setPen(QColor(50, 50, 50));
Chris@0 275 } else {
Chris@0 276 paint.setPen(QColor(200, 200, 200));
Chris@0 277 }
Chris@0 278
Chris@0 279 paint.drawText(x, y, text);
Chris@0 280 }
Chris@0 281
Chris@0 282 QString text = QString("%1").arg(m_centreFrame);
Chris@0 283
Chris@0 284 int tw = paint.fontMetrics().width(text);
Chris@0 285 int x = width()/2 + 4;
Chris@0 286
Chris@0 287 if (hasLightBackground()) {
Chris@0 288 paint.setPen(palette().background().color());
Chris@0 289 for (int dx = -1; dx <= 1; ++dx) {
Chris@0 290 for (int dy = -1; dy <= 1; ++dy) {
Chris@0 291 if ((dx && dy) || !(dx || dy)) continue;
Chris@0 292 paint.drawText(x + dx, y + dy, text);
Chris@0 293 }
Chris@0 294 }
Chris@0 295 paint.setPen(QColor(50, 50, 50));
Chris@0 296 } else {
Chris@0 297 paint.setPen(QColor(200, 200, 200));
Chris@0 298 }
Chris@0 299 paint.drawText(x, y, text);
Chris@41 300
Chris@41 301 if (waveformModel) {
Chris@49 302
Chris@49 303 // Show (R) for waveform models that will be resampled on
Chris@49 304 // playback.
Chris@49 305
Chris@49 306 //!!! Inadequate for auxiliary waveform layers, which are
Chris@49 307 //played at the wrong rate if their rate differs from the
Chris@49 308 //main model. Need to discover and label with (X) or
Chris@49 309 //something.
Chris@41 310
Chris@48 311 QString desc = tr("%1 / %2Hz%3")
Chris@41 312 .arg(RealTime::frame2RealTime(waveformModel->getEndFrame(),
Chris@48 313 sampleRate)
Chris@41 314 .toText(false).c_str())
Chris@48 315 .arg(sampleRate)
Chris@48 316 .arg((m_manager &&
Chris@48 317 sampleRate != m_manager->getPlaybackSampleRate()) ? " (R)" : "");
Chris@41 318
Chris@41 319 paint.drawText(width() - paint.fontMetrics().width(desc) - 5,
Chris@41 320 height() - paint.fontMetrics().height() +
Chris@41 321 paint.fontMetrics().ascent() - 6,
Chris@41 322 desc);
Chris@41 323 }
Chris@0 324 }
Chris@0 325
Chris@0 326 if (m_clickedInRange && m_shiftPressed) {
Chris@19 327 if (m_manager && (m_manager->getToolMode() == ViewManager::NavigateMode)) {
Chris@19 328 //!!! be nice if this looked a bit more in keeping with the
Chris@19 329 //selection block
Chris@19 330 paint.setPen(Qt::blue);
Chris@19 331 paint.drawRect(m_clickPos.x(), m_clickPos.y(),
Chris@19 332 m_mousePos.x() - m_clickPos.x(),
Chris@19 333 m_mousePos.y() - m_clickPos.y());
Chris@19 334 }
Chris@0 335 }
Chris@0 336
Chris@42 337 if (selectionIsBeingEdited()) {
Chris@42 338
Chris@42 339 int offset = m_mousePos.x() - m_clickPos.x();
Chris@42 340 int p0 = getXForFrame(m_editingSelection.getStartFrame()) + offset;
Chris@42 341 int p1 = getXForFrame(m_editingSelection.getEndFrame()) + offset;
Chris@42 342
Chris@42 343 if (m_editingSelectionEdge < 0) {
Chris@42 344 p1 = getXForFrame(m_editingSelection.getEndFrame());
Chris@42 345 } else if (m_editingSelectionEdge > 0) {
Chris@42 346 p0 = getXForFrame(m_editingSelection.getStartFrame());
Chris@42 347 }
Chris@42 348
Chris@42 349 paint.save();
Chris@42 350 if (hasLightBackground()) {
Chris@42 351 paint.setPen(QPen(Qt::black, 2));
Chris@42 352 } else {
Chris@42 353 paint.setPen(QPen(Qt::white, 2));
Chris@42 354 }
Chris@42 355
Chris@42 356 //!!! duplicating display policy with View::drawSelections
Chris@42 357
Chris@42 358 if (m_editingSelectionEdge < 0) {
Chris@42 359 paint.drawLine(p0, 1, p1, 1);
Chris@42 360 paint.drawLine(p0, 0, p0, height());
Chris@42 361 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@42 362 } else if (m_editingSelectionEdge > 0) {
Chris@42 363 paint.drawLine(p0, 1, p1, 1);
Chris@42 364 paint.drawLine(p1, 0, p1, height());
Chris@42 365 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@42 366 } else {
Chris@42 367 paint.setBrush(Qt::NoBrush);
Chris@42 368 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@42 369 }
Chris@42 370 paint.restore();
Chris@42 371 }
Chris@42 372
Chris@0 373 paint.end();
Chris@0 374 }
Chris@0 375
Chris@17 376 Selection
Chris@44 377 Pane::getSelectionAt(int x, bool &closeToLeftEdge, bool &closeToRightEdge) const
Chris@17 378 {
Chris@17 379 closeToLeftEdge = closeToRightEdge = false;
Chris@17 380
Chris@17 381 if (!m_manager) return Selection();
Chris@17 382
Chris@20 383 long testFrame = getFrameForX(x - 5);
Chris@17 384 if (testFrame < 0) {
Chris@20 385 testFrame = getFrameForX(x);
Chris@17 386 if (testFrame < 0) return Selection();
Chris@17 387 }
Chris@17 388
Chris@17 389 Selection selection = m_manager->getContainingSelection(testFrame, true);
Chris@17 390 if (selection.isEmpty()) return selection;
Chris@17 391
Chris@20 392 int lx = getXForFrame(selection.getStartFrame());
Chris@20 393 int rx = getXForFrame(selection.getEndFrame());
Chris@17 394
Chris@17 395 int fuzz = 2;
Chris@17 396 if (x < lx - fuzz || x > rx + fuzz) return Selection();
Chris@17 397
Chris@17 398 int width = rx - lx;
Chris@17 399 fuzz = 3;
Chris@17 400 if (width < 12) fuzz = width / 4;
Chris@17 401 if (fuzz < 1) fuzz = 1;
Chris@17 402
Chris@17 403 if (x < lx + fuzz) closeToLeftEdge = true;
Chris@17 404 if (x > rx - fuzz) closeToRightEdge = true;
Chris@17 405
Chris@17 406 return selection;
Chris@17 407 }
Chris@17 408
Chris@0 409 void
Chris@0 410 Pane::mousePressEvent(QMouseEvent *e)
Chris@0 411 {
Chris@0 412 m_clickPos = e->pos();
Chris@0 413 m_clickedInRange = true;
Chris@42 414 m_editingSelection = Selection();
Chris@42 415 m_editingSelectionEdge = 0;
Chris@0 416 m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
Chris@13 417 m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
Chris@13 418
Chris@13 419 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@13 420 if (m_manager) mode = m_manager->getToolMode();
Chris@13 421
Chris@17 422 m_navigating = false;
Chris@13 423
Chris@17 424 if (mode == ViewManager::NavigateMode || (e->buttons() & Qt::MidButton)) {
Chris@17 425
Chris@17 426 if (mode != ViewManager::NavigateMode) {
Chris@17 427 setCursor(Qt::PointingHandCursor);
Chris@17 428 }
Chris@17 429
Chris@17 430 m_navigating = true;
Chris@13 431 m_dragCentreFrame = m_centreFrame;
Chris@13 432
Chris@13 433 } else if (mode == ViewManager::SelectMode) {
Chris@13 434
Chris@17 435 bool closeToLeft = false, closeToRight = false;
Chris@17 436 Selection selection = getSelectionAt(e->x(), closeToLeft, closeToRight);
Chris@17 437
Chris@17 438 if ((closeToLeft || closeToRight) && !(closeToLeft && closeToRight)) {
Chris@17 439
Chris@17 440 m_manager->removeSelection(selection);
Chris@17 441
Chris@17 442 if (closeToLeft) {
Chris@17 443 m_selectionStartFrame = selection.getEndFrame();
Chris@17 444 } else {
Chris@17 445 m_selectionStartFrame = selection.getStartFrame();
Chris@17 446 }
Chris@17 447
Chris@17 448 m_manager->setInProgressSelection(selection, false);
Chris@17 449 m_resizing = true;
Chris@13 450
Chris@17 451 } else {
Chris@17 452
Chris@20 453 int mouseFrame = getFrameForX(e->x());
Chris@17 454 size_t resolution = 1;
Chris@17 455 int snapFrame = mouseFrame;
Chris@17 456
Chris@17 457 Layer *layer = getSelectedLayer();
Chris@17 458 if (layer) {
Chris@44 459 layer->snapToFeatureFrame(this, snapFrame,
Chris@44 460 resolution, Layer::SnapLeft);
Chris@17 461 }
Chris@17 462
Chris@17 463 if (snapFrame < 0) snapFrame = 0;
Chris@17 464 m_selectionStartFrame = snapFrame;
Chris@17 465 if (m_manager) {
Chris@17 466 m_manager->setInProgressSelection(Selection(snapFrame,
Chris@17 467 snapFrame + resolution),
Chris@17 468 !m_ctrlPressed);
Chris@17 469 }
Chris@17 470
Chris@17 471 m_resizing = false;
Chris@17 472 }
Chris@17 473
Chris@17 474 update();
Chris@17 475
Chris@17 476 } else if (mode == ViewManager::DrawMode) {
Chris@17 477
Chris@13 478 Layer *layer = getSelectedLayer();
Chris@23 479 if (layer && layer->isLayerEditable()) {
Chris@44 480 layer->drawStart(this, e);
Chris@13 481 }
Chris@18 482
Chris@18 483 } else if (mode == ViewManager::EditMode) {
Chris@18 484
Chris@42 485 if (!editSelectionStart(e)) {
Chris@42 486 Layer *layer = getSelectedLayer();
Chris@42 487 if (layer && layer->isLayerEditable()) {
Chris@44 488 layer->editStart(this, e);
Chris@42 489 }
Chris@18 490 }
Chris@13 491 }
Chris@0 492
Chris@0 493 emit paneInteractedWith();
Chris@0 494 }
Chris@0 495
Chris@0 496 void
Chris@0 497 Pane::mouseReleaseEvent(QMouseEvent *e)
Chris@0 498 {
Chris@13 499 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@13 500 if (m_manager) mode = m_manager->getToolMode();
Chris@13 501
Chris@0 502 if (m_clickedInRange) {
Chris@0 503 mouseMoveEvent(e);
Chris@0 504 }
Chris@0 505
Chris@17 506 if (m_navigating || mode == ViewManager::NavigateMode) {
Chris@17 507
Chris@17 508 m_navigating = false;
Chris@17 509
Chris@17 510 if (mode != ViewManager::NavigateMode) {
Chris@17 511 // restore cursor
Chris@17 512 toolModeChanged();
Chris@17 513 }
Chris@0 514
Chris@13 515 if (m_shiftPressed) {
Chris@0 516
Chris@13 517 int x0 = std::min(m_clickPos.x(), m_mousePos.x());
Chris@13 518 int x1 = std::max(m_clickPos.x(), m_mousePos.x());
Chris@13 519 int w = x1 - x0;
Chris@13 520
Chris@20 521 long newStartFrame = getFrameForX(x0);
Chris@13 522
Chris@20 523 long visibleFrames = getEndFrame() - getStartFrame();
Chris@20 524 if (newStartFrame <= -visibleFrames) {
Chris@20 525 newStartFrame = -visibleFrames + 1;
Chris@13 526 }
Chris@13 527
Chris@13 528 if (newStartFrame >= long(getModelsEndFrame())) {
Chris@13 529 newStartFrame = getModelsEndFrame() - 1;
Chris@13 530 }
Chris@13 531
Chris@13 532 float ratio = float(w) / float(width());
Chris@13 533 // std::cerr << "ratio: " << ratio << std::endl;
Chris@13 534 size_t newZoomLevel = (size_t)nearbyint(m_zoomLevel * ratio);
Chris@13 535 if (newZoomLevel < 1) newZoomLevel = 1;
Chris@13 536
Chris@13 537 // std::cerr << "start: " << m_startFrame << ", level " << m_zoomLevel << std::endl;
Chris@13 538 setZoomLevel(getZoomConstraintBlockSize(newZoomLevel));
Chris@13 539 setStartFrame(newStartFrame);
Chris@13 540
Chris@13 541 //cerr << "mouseReleaseEvent: start frame now " << m_startFrame << endl;
Chris@13 542 // update();
Chris@0 543 }
Chris@0 544
Chris@13 545 } else if (mode == ViewManager::SelectMode) {
Chris@13 546
Chris@13 547 if (m_manager && m_manager->haveInProgressSelection()) {
Chris@13 548
Chris@13 549 bool exclusive;
Chris@13 550 Selection selection = m_manager->getInProgressSelection(exclusive);
Chris@13 551
Chris@13 552 if (selection.getEndFrame() < selection.getStartFrame() + 2) {
Chris@13 553 selection = Selection();
Chris@13 554 }
Chris@13 555
Chris@13 556 m_manager->clearInProgressSelection();
Chris@13 557
Chris@13 558 if (exclusive) {
Chris@13 559 m_manager->setSelection(selection);
Chris@13 560 } else {
Chris@13 561 m_manager->addSelection(selection);
Chris@13 562 }
Chris@0 563 }
Chris@13 564
Chris@13 565 update();
Chris@17 566
Chris@17 567 } else if (mode == ViewManager::DrawMode) {
Chris@17 568
Chris@17 569 Layer *layer = getSelectedLayer();
Chris@23 570 if (layer && layer->isLayerEditable()) {
Chris@44 571 layer->drawEnd(this, e);
Chris@17 572 update();
Chris@17 573 }
Chris@18 574
Chris@18 575 } else if (mode == ViewManager::EditMode) {
Chris@18 576
Chris@42 577 if (!editSelectionEnd(e)) {
Chris@42 578 Layer *layer = getSelectedLayer();
Chris@42 579 if (layer && layer->isLayerEditable()) {
Chris@44 580 layer->editEnd(this, e);
Chris@42 581 update();
Chris@42 582 }
Chris@18 583 }
Chris@17 584 }
Chris@0 585
Chris@0 586 m_clickedInRange = false;
Chris@0 587
Chris@0 588 emit paneInteractedWith();
Chris@0 589 }
Chris@0 590
Chris@0 591 void
Chris@0 592 Pane::mouseMoveEvent(QMouseEvent *e)
Chris@0 593 {
Chris@13 594 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@13 595 if (m_manager) mode = m_manager->getToolMode();
Chris@13 596
Chris@28 597 QPoint prevPoint = m_identifyPoint;
Chris@28 598 m_identifyPoint = e->pos();
Chris@28 599
Chris@0 600 if (!m_clickedInRange) {
Chris@0 601
Chris@17 602 if (mode == ViewManager::SelectMode) {
Chris@17 603 bool closeToLeft = false, closeToRight = false;
Chris@17 604 getSelectionAt(e->x(), closeToLeft, closeToRight);
Chris@17 605 if ((closeToLeft || closeToRight) && !(closeToLeft && closeToRight)) {
Chris@17 606 setCursor(Qt::SizeHorCursor);
Chris@17 607 } else {
Chris@17 608 setCursor(Qt::ArrowCursor);
Chris@17 609 }
Chris@17 610 }
Chris@0 611
Chris@35 612 //!!! if (mode != ViewManager::DrawMode) {
Chris@0 613
Chris@17 614 bool previouslyIdentifying = m_identifyFeatures;
Chris@17 615 m_identifyFeatures = true;
Chris@17 616
Chris@17 617 if (m_identifyFeatures != previouslyIdentifying ||
Chris@17 618 m_identifyPoint != prevPoint) {
Chris@17 619 update();
Chris@17 620 }
Chris@35 621 // }
Chris@0 622
Chris@13 623 return;
Chris@13 624 }
Chris@0 625
Chris@17 626 if (m_navigating || mode == ViewManager::NavigateMode) {
Chris@0 627
Chris@13 628 if (m_shiftPressed) {
Chris@0 629
Chris@13 630 m_mousePos = e->pos();
Chris@13 631 update();
Chris@0 632
Chris@0 633 } else {
Chris@13 634
Chris@20 635 long frameOff = getFrameForX(e->x()) - getFrameForX(m_clickPos.x());
Chris@20 636
Chris@13 637 size_t newCentreFrame = m_dragCentreFrame;
Chris@13 638
Chris@13 639 if (frameOff < 0) {
Chris@13 640 newCentreFrame -= frameOff;
Chris@13 641 } else if (newCentreFrame >= size_t(frameOff)) {
Chris@13 642 newCentreFrame -= frameOff;
Chris@13 643 } else {
Chris@13 644 newCentreFrame = 0;
Chris@13 645 }
Chris@13 646
Chris@13 647 if (newCentreFrame >= getModelsEndFrame()) {
Chris@13 648 newCentreFrame = getModelsEndFrame();
Chris@13 649 if (newCentreFrame > 0) --newCentreFrame;
Chris@13 650 }
Chris@20 651
Chris@20 652 if (getXForFrame(m_centreFrame) != getXForFrame(newCentreFrame)) {
Chris@13 653 setCentreFrame(newCentreFrame);
Chris@13 654 }
Chris@0 655 }
Chris@0 656
Chris@13 657 } else if (mode == ViewManager::SelectMode) {
Chris@13 658
Chris@20 659 int mouseFrame = getFrameForX(e->x());
Chris@13 660 size_t resolution = 1;
Chris@13 661 int snapFrameLeft = mouseFrame;
Chris@13 662 int snapFrameRight = mouseFrame;
Chris@13 663
Chris@13 664 Layer *layer = getSelectedLayer();
Chris@13 665 if (layer) {
Chris@44 666 layer->snapToFeatureFrame(this, snapFrameLeft,
Chris@44 667 resolution, Layer::SnapLeft);
Chris@44 668 layer->snapToFeatureFrame(this, snapFrameRight,
Chris@44 669 resolution, Layer::SnapRight);
Chris@13 670 }
Chris@13 671
Chris@37 672 // std::cerr << "snap: frame = " << mouseFrame << ", start frame = " << m_selectionStartFrame << ", left = " << snapFrameLeft << ", right = " << snapFrameRight << std::endl;
Chris@28 673
Chris@13 674 if (snapFrameLeft < 0) snapFrameLeft = 0;
Chris@13 675 if (snapFrameRight < 0) snapFrameRight = 0;
Chris@13 676
Chris@13 677 size_t min, max;
Chris@13 678
Chris@13 679 if (m_selectionStartFrame > snapFrameLeft) {
Chris@13 680 min = snapFrameLeft;
Chris@13 681 max = m_selectionStartFrame;
Chris@13 682 } else if (snapFrameRight > m_selectionStartFrame) {
Chris@13 683 min = m_selectionStartFrame;
Chris@13 684 max = snapFrameRight;
Chris@13 685 } else {
Chris@13 686 min = snapFrameLeft;
Chris@13 687 max = snapFrameRight;
Chris@0 688 }
Chris@0 689
Chris@13 690 if (m_manager) {
Chris@13 691 m_manager->setInProgressSelection(Selection(min, max),
Chris@17 692 !m_resizing && !m_ctrlPressed);
Chris@0 693 }
Chris@15 694
Chris@15 695 bool doScroll = false;
Chris@15 696 if (!m_manager) doScroll = true;
Chris@15 697 if (!m_manager->isPlaying()) doScroll = true;
Chris@15 698 if (m_followPlay != PlaybackScrollContinuous) doScroll = true;
Chris@15 699
Chris@15 700 if (doScroll) {
Chris@13 701 int offset = mouseFrame - getStartFrame();
Chris@13 702 int available = getEndFrame() - getStartFrame();
Chris@15 703 if (offset >= available * 0.95) {
Chris@15 704 int move = int(offset - available * 0.95) + 1;
Chris@14 705 setCentreFrame(m_centreFrame + move);
Chris@15 706 } else if (offset <= available * 0.10) {
Chris@15 707 int move = int(available * 0.10 - offset) + 1;
Chris@14 708 if (m_centreFrame > move) {
Chris@14 709 setCentreFrame(m_centreFrame - move);
Chris@14 710 } else {
Chris@14 711 setCentreFrame(0);
Chris@14 712 }
Chris@13 713 }
Chris@13 714 }
Chris@13 715
Chris@13 716 update();
Chris@17 717
Chris@17 718 } else if (mode == ViewManager::DrawMode) {
Chris@17 719
Chris@17 720 Layer *layer = getSelectedLayer();
Chris@23 721 if (layer && layer->isLayerEditable()) {
Chris@44 722 layer->drawDrag(this, e);
Chris@17 723 }
Chris@18 724
Chris@18 725 } else if (mode == ViewManager::EditMode) {
Chris@18 726
Chris@42 727 if (!editSelectionDrag(e)) {
Chris@42 728 Layer *layer = getSelectedLayer();
Chris@42 729 if (layer && layer->isLayerEditable()) {
Chris@44 730 layer->editDrag(this, e);
Chris@42 731 }
Chris@18 732 }
Chris@0 733 }
Chris@0 734 }
Chris@0 735
Chris@0 736 void
Chris@0 737 Pane::mouseDoubleClickEvent(QMouseEvent *e)
Chris@0 738 {
Chris@0 739 std::cerr << "mouseDoubleClickEvent" << std::endl;
Chris@36 740
Chris@36 741 m_clickPos = e->pos();
Chris@36 742 m_clickedInRange = true;
Chris@36 743 m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
Chris@36 744 m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
Chris@36 745
Chris@36 746 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@36 747 if (m_manager) mode = m_manager->getToolMode();
Chris@36 748
Chris@36 749 if (mode == ViewManager::EditMode) {
Chris@36 750
Chris@36 751 Layer *layer = getSelectedLayer();
Chris@36 752 if (layer && layer->isLayerEditable()) {
Chris@44 753 layer->editOpen(this, e);
Chris@36 754 }
Chris@36 755 }
Chris@0 756 }
Chris@0 757
Chris@0 758 void
Chris@0 759 Pane::leaveEvent(QEvent *)
Chris@0 760 {
Chris@0 761 bool previouslyIdentifying = m_identifyFeatures;
Chris@0 762 m_identifyFeatures = false;
Chris@0 763 if (previouslyIdentifying) update();
Chris@0 764 }
Chris@0 765
Chris@0 766 void
Chris@0 767 Pane::wheelEvent(QWheelEvent *e)
Chris@0 768 {
Chris@0 769 //std::cerr << "wheelEvent, delta " << e->delta() << std::endl;
Chris@0 770
Chris@0 771 int count = e->delta();
Chris@0 772
Chris@0 773 if (count > 0) {
Chris@0 774 if (count >= 120) count /= 120;
Chris@0 775 else count = 1;
Chris@0 776 }
Chris@0 777
Chris@0 778 if (count < 0) {
Chris@0 779 if (count <= -120) count /= 120;
Chris@0 780 else count = -1;
Chris@0 781 }
Chris@17 782
Chris@17 783 if (e->modifiers() & Qt::ControlModifier) {
Chris@17 784
Chris@20 785 // Scroll left or right, rapidly
Chris@20 786
Chris@17 787 if (getStartFrame() < 0 &&
Chris@17 788 getEndFrame() >= getModelsEndFrame()) return;
Chris@17 789
Chris@17 790 long delta = ((width() / 2) * count * m_zoomLevel);
Chris@17 791
Chris@17 792 if (int(m_centreFrame) < delta) {
Chris@17 793 setCentreFrame(0);
Chris@17 794 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@17 795 setCentreFrame(getModelsEndFrame());
Chris@17 796 } else {
Chris@17 797 setCentreFrame(m_centreFrame - delta);
Chris@17 798 }
Chris@17 799
Chris@17 800 } else {
Chris@17 801
Chris@20 802 // Zoom in or out
Chris@20 803
Chris@17 804 int newZoomLevel = m_zoomLevel;
Chris@0 805
Chris@17 806 while (count > 0) {
Chris@17 807 if (newZoomLevel <= 2) {
Chris@17 808 newZoomLevel = 1;
Chris@17 809 break;
Chris@17 810 }
Chris@17 811 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@17 812 ZoomConstraint::RoundDown);
Chris@17 813 --count;
Chris@0 814 }
Chris@17 815
Chris@17 816 while (count < 0) {
Chris@17 817 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@17 818 ZoomConstraint::RoundUp);
Chris@17 819 ++count;
Chris@17 820 }
Chris@17 821
Chris@17 822 if (newZoomLevel != m_zoomLevel) {
Chris@17 823 setZoomLevel(newZoomLevel);
Chris@17 824 }
Chris@0 825 }
Chris@0 826
Chris@0 827 emit paneInteractedWith();
Chris@0 828 }
Chris@8 829
Chris@42 830 bool
Chris@42 831 Pane::editSelectionStart(QMouseEvent *e)
Chris@42 832 {
Chris@43 833 if (!m_identifyFeatures ||
Chris@43 834 !m_manager ||
Chris@43 835 m_manager->getToolMode() != ViewManager::EditMode) {
Chris@43 836 return false;
Chris@43 837 }
Chris@43 838
Chris@42 839 bool closeToLeft, closeToRight;
Chris@42 840 Selection s(getSelectionAt(e->x(), closeToLeft, closeToRight));
Chris@42 841 if (s.isEmpty()) return false;
Chris@42 842 m_editingSelection = s;
Chris@42 843 m_editingSelectionEdge = (closeToLeft ? -1 : closeToRight ? 1 : 0);
Chris@42 844 m_mousePos = e->pos();
Chris@42 845 return true;
Chris@42 846 }
Chris@42 847
Chris@42 848 bool
Chris@42 849 Pane::editSelectionDrag(QMouseEvent *e)
Chris@42 850 {
Chris@42 851 if (m_editingSelection.isEmpty()) return false;
Chris@42 852 m_mousePos = e->pos();
Chris@42 853 update();
Chris@42 854 return true;
Chris@42 855 }
Chris@42 856
Chris@42 857 bool
Chris@42 858 Pane::editSelectionEnd(QMouseEvent *e)
Chris@42 859 {
Chris@42 860 if (m_editingSelection.isEmpty()) return false;
Chris@43 861
Chris@43 862 int offset = m_mousePos.x() - m_clickPos.x();
Chris@43 863 Layer *layer = getSelectedLayer();
Chris@43 864
Chris@43 865 if (offset == 0 || !layer) {
Chris@43 866 m_editingSelection = Selection();
Chris@43 867 return true;
Chris@43 868 }
Chris@43 869
Chris@43 870 int p0 = getXForFrame(m_editingSelection.getStartFrame()) + offset;
Chris@43 871 int p1 = getXForFrame(m_editingSelection.getEndFrame()) + offset;
Chris@43 872
Chris@43 873 long f0 = getFrameForX(p0);
Chris@43 874 long f1 = getFrameForX(p1);
Chris@43 875
Chris@43 876 Selection newSelection(f0, f1);
Chris@43 877
Chris@43 878 if (m_editingSelectionEdge == 0) {
Chris@43 879
Chris@43 880 layer->moveSelection(m_editingSelection, f0);
Chris@43 881
Chris@43 882 } else {
Chris@43 883
Chris@43 884 if (m_editingSelectionEdge < 0) {
Chris@43 885 f1 = m_editingSelection.getEndFrame();
Chris@43 886 } else {
Chris@43 887 f0 = m_editingSelection.getStartFrame();
Chris@43 888 }
Chris@43 889
Chris@43 890 newSelection = Selection(f0, f1);
Chris@43 891 layer->resizeSelection(m_editingSelection, newSelection);
Chris@43 892 }
Chris@43 893
Chris@43 894 m_manager->removeSelection(m_editingSelection);
Chris@43 895 m_manager->addSelection(newSelection);
Chris@43 896
Chris@42 897 m_editingSelection = Selection();
Chris@42 898 return true;
Chris@42 899 }
Chris@42 900
Chris@13 901 void
Chris@13 902 Pane::toolModeChanged()
Chris@13 903 {
Chris@13 904 ViewManager::ToolMode mode = m_manager->getToolMode();
Chris@13 905 std::cerr << "Pane::toolModeChanged(" << mode << ")" << std::endl;
Chris@13 906
Chris@13 907 switch (mode) {
Chris@13 908
Chris@13 909 case ViewManager::NavigateMode:
Chris@13 910 setCursor(Qt::PointingHandCursor);
Chris@13 911 break;
Chris@13 912
Chris@13 913 case ViewManager::SelectMode:
Chris@13 914 setCursor(Qt::ArrowCursor);
Chris@13 915 break;
Chris@13 916
Chris@13 917 case ViewManager::EditMode:
Chris@19 918 setCursor(Qt::UpArrowCursor);
Chris@13 919 break;
Chris@13 920
Chris@13 921 case ViewManager::DrawMode:
Chris@13 922 setCursor(Qt::CrossCursor);
Chris@13 923 break;
Chris@36 924 /*
Chris@13 925 case ViewManager::TextMode:
Chris@13 926 setCursor(Qt::IBeamCursor);
Chris@13 927 break;
Chris@36 928 */
Chris@13 929 }
Chris@13 930 }
Chris@13 931
Chris@8 932 QString
Chris@8 933 Pane::toXmlString(QString indent, QString extraAttributes) const
Chris@8 934 {
Chris@8 935 return View::toXmlString
Chris@8 936 (indent,
Chris@8 937 QString("type=\"pane\" centreLineVisible=\"%1\" %2")
Chris@8 938 .arg(m_centreLineVisible).arg(extraAttributes));
Chris@8 939 }
Chris@8 940
Chris@0 941
Chris@0 942 #ifdef INCLUDE_MOCFILES
Chris@0 943 #include "Pane.moc.cpp"
Chris@0 944 #endif
Chris@0 945