annotate layer/TextLayer.cpp @ 269:7b58c5e91f20

* save/reload measurements in session
author Chris Cannam
date Tue, 26 Jun 2007 12:27:47 +0000
parents e175ade2d6b0
children cd2492c5fe45
rev   line source
Chris@58 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@35 2
Chris@35 3 /*
Chris@59 4 Sonic Visualiser
Chris@59 5 An audio file viewer and annotation editor.
Chris@59 6 Centre for Digital Music, Queen Mary, University of London.
Chris@59 7 This file copyright 2006 Chris Cannam.
Chris@35 8
Chris@59 9 This program is free software; you can redistribute it and/or
Chris@59 10 modify it under the terms of the GNU General Public License as
Chris@59 11 published by the Free Software Foundation; either version 2 of the
Chris@59 12 License, or (at your option) any later version. See the file
Chris@59 13 COPYING included with this distribution for more information.
Chris@35 14 */
Chris@35 15
Chris@35 16 #include "TextLayer.h"
Chris@35 17
Chris@128 18 #include "data/model/Model.h"
Chris@35 19 #include "base/RealTime.h"
Chris@35 20 #include "base/Profiler.h"
Chris@128 21 #include "view/View.h"
Chris@35 22
Chris@128 23 #include "data/model/TextModel.h"
Chris@35 24
Chris@35 25 #include <QPainter>
Chris@35 26 #include <QMouseEvent>
Chris@36 27 #include <QInputDialog>
Chris@35 28
Chris@35 29 #include <iostream>
Chris@35 30 #include <cmath>
Chris@35 31
Chris@44 32 TextLayer::TextLayer() :
Chris@44 33 Layer(),
Chris@35 34 m_model(0),
Chris@35 35 m_editing(false),
Chris@35 36 m_originalPoint(0, 0.0, tr("Empty Label")),
Chris@35 37 m_editingPoint(0, 0.0, tr("Empty Label")),
Chris@35 38 m_editingCommand(0),
Chris@35 39 m_colour(255, 150, 50) // orange
Chris@35 40 {
Chris@44 41
Chris@35 42 }
Chris@35 43
Chris@35 44 void
Chris@35 45 TextLayer::setModel(TextModel *model)
Chris@35 46 {
Chris@35 47 if (m_model == model) return;
Chris@35 48 m_model = model;
Chris@35 49
Chris@35 50 connect(m_model, SIGNAL(modelChanged()), this, SIGNAL(modelChanged()));
Chris@35 51 connect(m_model, SIGNAL(modelChanged(size_t, size_t)),
Chris@35 52 this, SIGNAL(modelChanged(size_t, size_t)));
Chris@35 53
Chris@35 54 connect(m_model, SIGNAL(completionChanged()),
Chris@35 55 this, SIGNAL(modelCompletionChanged()));
Chris@35 56
Chris@36 57 // std::cerr << "TextLayer::setModel(" << model << ")" << std::endl;
Chris@35 58
Chris@35 59 emit modelReplaced();
Chris@35 60 }
Chris@35 61
Chris@35 62 Layer::PropertyList
Chris@35 63 TextLayer::getProperties() const
Chris@35 64 {
Chris@35 65 PropertyList list;
Chris@87 66 list.push_back("Colour");
Chris@35 67 return list;
Chris@35 68 }
Chris@35 69
Chris@87 70 QString
Chris@87 71 TextLayer::getPropertyLabel(const PropertyName &name) const
Chris@87 72 {
Chris@87 73 if (name == "Colour") return tr("Colour");
Chris@93 74 return "";
Chris@87 75 }
Chris@87 76
Chris@35 77 Layer::PropertyType
Chris@248 78 TextLayer::getPropertyType(const PropertyName &) const
Chris@35 79 {
Chris@35 80 return ValueProperty;
Chris@35 81 }
Chris@35 82
Chris@35 83 int
Chris@35 84 TextLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@216 85 int *min, int *max, int *deflt) const
Chris@35 86 {
Chris@35 87 //!!! factor this colour handling stuff out into a colour manager class
Chris@35 88
Chris@216 89 int val = 0;
Chris@35 90
Chris@87 91 if (name == "Colour") {
Chris@35 92
Chris@35 93 if (min) *min = 0;
Chris@35 94 if (max) *max = 5;
Chris@216 95 if (deflt) *deflt = 0;
Chris@35 96
Chris@216 97 if (m_colour == Qt::black) val = 0;
Chris@216 98 else if (m_colour == Qt::darkRed) val = 1;
Chris@216 99 else if (m_colour == Qt::darkBlue) val = 2;
Chris@216 100 else if (m_colour == Qt::darkGreen) val = 3;
Chris@216 101 else if (m_colour == QColor(200, 50, 255)) val = 4;
Chris@216 102 else if (m_colour == QColor(255, 150, 50)) val = 5;
Chris@35 103
Chris@35 104 } else {
Chris@35 105
Chris@216 106 val = Layer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@35 107 }
Chris@35 108
Chris@216 109 return val;
Chris@35 110 }
Chris@35 111
Chris@35 112 QString
Chris@35 113 TextLayer::getPropertyValueLabel(const PropertyName &name,
Chris@35 114 int value) const
Chris@35 115 {
Chris@87 116 if (name == "Colour") {
Chris@35 117 switch (value) {
Chris@35 118 default:
Chris@35 119 case 0: return tr("Black");
Chris@35 120 case 1: return tr("Red");
Chris@35 121 case 2: return tr("Blue");
Chris@35 122 case 3: return tr("Green");
Chris@35 123 case 4: return tr("Purple");
Chris@35 124 case 5: return tr("Orange");
Chris@35 125 }
Chris@35 126 }
Chris@35 127 return tr("<unknown>");
Chris@35 128 }
Chris@35 129
Chris@35 130 void
Chris@35 131 TextLayer::setProperty(const PropertyName &name, int value)
Chris@35 132 {
Chris@87 133 if (name == "Colour") {
Chris@35 134 switch (value) {
Chris@35 135 default:
Chris@35 136 case 0: setBaseColour(Qt::black); break;
Chris@35 137 case 1: setBaseColour(Qt::darkRed); break;
Chris@35 138 case 2: setBaseColour(Qt::darkBlue); break;
Chris@35 139 case 3: setBaseColour(Qt::darkGreen); break;
Chris@35 140 case 4: setBaseColour(QColor(200, 50, 255)); break;
Chris@35 141 case 5: setBaseColour(QColor(255, 150, 50)); break;
Chris@35 142 }
Chris@35 143 }
Chris@35 144 }
Chris@35 145
Chris@79 146 bool
Chris@248 147 TextLayer::getValueExtents(float &, float &, bool &, QString &) const
Chris@79 148 {
Chris@79 149 return false;
Chris@79 150 }
Chris@79 151
Chris@35 152 void
Chris@35 153 TextLayer::setBaseColour(QColor colour)
Chris@35 154 {
Chris@35 155 if (m_colour == colour) return;
Chris@35 156 m_colour = colour;
Chris@35 157 emit layerParametersChanged();
Chris@35 158 }
Chris@35 159
Chris@35 160 bool
Chris@44 161 TextLayer::isLayerScrollable(const View *v) const
Chris@35 162 {
Chris@35 163 QPoint discard;
Chris@44 164 return !v->shouldIlluminateLocalFeatures(this, discard);
Chris@35 165 }
Chris@35 166
Chris@35 167
Chris@35 168 TextModel::PointList
Chris@44 169 TextLayer::getLocalPoints(View *v, int x, int y) const
Chris@35 170 {
Chris@35 171 if (!m_model) return TextModel::PointList();
Chris@35 172
Chris@44 173 long frame0 = v->getFrameForX(-150);
Chris@44 174 long frame1 = v->getFrameForX(v->width() + 150);
Chris@35 175
Chris@35 176 TextModel::PointList points(m_model->getPoints(frame0, frame1));
Chris@35 177
Chris@35 178 TextModel::PointList rv;
Chris@35 179 QFontMetrics metrics = QPainter().fontMetrics();
Chris@35 180
Chris@35 181 for (TextModel::PointList::iterator i = points.begin();
Chris@35 182 i != points.end(); ++i) {
Chris@35 183
Chris@35 184 const TextModel::Point &p(*i);
Chris@35 185
Chris@44 186 int px = v->getXForFrame(p.frame);
Chris@44 187 int py = getYForHeight(v, p.height);
Chris@35 188
Chris@35 189 QString label = p.label;
Chris@35 190 if (label == "") {
Chris@35 191 label = tr("<no text>");
Chris@35 192 }
Chris@35 193
Chris@35 194 QRect rect = metrics.boundingRect
Chris@35 195 (QRect(0, 0, 150, 200),
Chris@35 196 Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, label);
Chris@35 197
Chris@44 198 if (py + rect.height() > v->height()) {
Chris@44 199 if (rect.height() > v->height()) py = 0;
Chris@44 200 else py = v->height() - rect.height() - 1;
Chris@35 201 }
Chris@35 202
Chris@35 203 if (x >= px && x < px + rect.width() &&
Chris@35 204 y >= py && y < py + rect.height()) {
Chris@35 205 rv.insert(p);
Chris@35 206 }
Chris@35 207 }
Chris@35 208
Chris@35 209 return rv;
Chris@35 210 }
Chris@35 211
Chris@35 212 QString
Chris@44 213 TextLayer::getFeatureDescription(View *v, QPoint &pos) const
Chris@35 214 {
Chris@35 215 int x = pos.x();
Chris@35 216
Chris@35 217 if (!m_model || !m_model->getSampleRate()) return "";
Chris@35 218
Chris@44 219 TextModel::PointList points = getLocalPoints(v, x, pos.y());
Chris@35 220
Chris@35 221 if (points.empty()) {
Chris@35 222 if (!m_model->isReady()) {
Chris@35 223 return tr("In progress");
Chris@35 224 } else {
Chris@35 225 return "";
Chris@35 226 }
Chris@35 227 }
Chris@35 228
Chris@35 229 long useFrame = points.begin()->frame;
Chris@35 230
Chris@35 231 RealTime rt = RealTime::frame2RealTime(useFrame, m_model->getSampleRate());
Chris@35 232
Chris@35 233 QString text;
Chris@35 234
Chris@35 235 if (points.begin()->label == "") {
Chris@35 236 text = QString(tr("Time:\t%1\nHeight:\t%2\nLabel:\t%3"))
Chris@35 237 .arg(rt.toText(true).c_str())
Chris@35 238 .arg(points.begin()->height)
Chris@35 239 .arg(points.begin()->label);
Chris@35 240 }
Chris@35 241
Chris@44 242 pos = QPoint(v->getXForFrame(useFrame),
Chris@44 243 getYForHeight(v, points.begin()->height));
Chris@35 244 return text;
Chris@35 245 }
Chris@35 246
Chris@35 247
Chris@35 248 //!!! too much overlap with TimeValueLayer/TimeInstantLayer
Chris@35 249
Chris@35 250 bool
Chris@44 251 TextLayer::snapToFeatureFrame(View *v, int &frame,
Chris@35 252 size_t &resolution,
Chris@35 253 SnapType snap) const
Chris@35 254 {
Chris@35 255 if (!m_model) {
Chris@44 256 return Layer::snapToFeatureFrame(v, frame, resolution, snap);
Chris@35 257 }
Chris@35 258
Chris@35 259 resolution = m_model->getResolution();
Chris@35 260 TextModel::PointList points;
Chris@35 261
Chris@35 262 if (snap == SnapNeighbouring) {
Chris@35 263
Chris@44 264 points = getLocalPoints(v, v->getXForFrame(frame), -1);
Chris@35 265 if (points.empty()) return false;
Chris@35 266 frame = points.begin()->frame;
Chris@35 267 return true;
Chris@35 268 }
Chris@35 269
Chris@35 270 points = m_model->getPoints(frame, frame);
Chris@35 271 int snapped = frame;
Chris@35 272 bool found = false;
Chris@35 273
Chris@35 274 for (TextModel::PointList::const_iterator i = points.begin();
Chris@35 275 i != points.end(); ++i) {
Chris@35 276
Chris@35 277 if (snap == SnapRight) {
Chris@35 278
Chris@35 279 if (i->frame > frame) {
Chris@35 280 snapped = i->frame;
Chris@35 281 found = true;
Chris@35 282 break;
Chris@35 283 }
Chris@35 284
Chris@35 285 } else if (snap == SnapLeft) {
Chris@35 286
Chris@35 287 if (i->frame <= frame) {
Chris@35 288 snapped = i->frame;
Chris@35 289 found = true; // don't break, as the next may be better
Chris@35 290 } else {
Chris@35 291 break;
Chris@35 292 }
Chris@35 293
Chris@35 294 } else { // nearest
Chris@35 295
Chris@35 296 TextModel::PointList::const_iterator j = i;
Chris@35 297 ++j;
Chris@35 298
Chris@35 299 if (j == points.end()) {
Chris@35 300
Chris@35 301 snapped = i->frame;
Chris@35 302 found = true;
Chris@35 303 break;
Chris@35 304
Chris@35 305 } else if (j->frame >= frame) {
Chris@35 306
Chris@35 307 if (j->frame - frame < frame - i->frame) {
Chris@35 308 snapped = j->frame;
Chris@35 309 } else {
Chris@35 310 snapped = i->frame;
Chris@35 311 }
Chris@35 312 found = true;
Chris@35 313 break;
Chris@35 314 }
Chris@35 315 }
Chris@35 316 }
Chris@35 317
Chris@35 318 frame = snapped;
Chris@35 319 return found;
Chris@35 320 }
Chris@35 321
Chris@35 322 int
Chris@44 323 TextLayer::getYForHeight(View *v, float height) const
Chris@35 324 {
Chris@44 325 int h = v->height();
Chris@35 326 return h - int(height * h);
Chris@35 327 }
Chris@35 328
Chris@35 329 float
Chris@44 330 TextLayer::getHeightForY(View *v, int y) const
Chris@35 331 {
Chris@44 332 int h = v->height();
Chris@35 333 return float(h - y) / h;
Chris@35 334 }
Chris@35 335
Chris@35 336 void
Chris@44 337 TextLayer::paint(View *v, QPainter &paint, QRect rect) const
Chris@35 338 {
Chris@35 339 if (!m_model || !m_model->isOK()) return;
Chris@35 340
Chris@35 341 int sampleRate = m_model->getSampleRate();
Chris@35 342 if (!sampleRate) return;
Chris@35 343
Chris@35 344 // Profiler profiler("TextLayer::paint", true);
Chris@35 345
Chris@35 346 int x0 = rect.left(), x1 = rect.right();
Chris@44 347 long frame0 = v->getFrameForX(x0);
Chris@44 348 long frame1 = v->getFrameForX(x1);
Chris@35 349
Chris@35 350 TextModel::PointList points(m_model->getPoints(frame0, frame1));
Chris@35 351 if (points.empty()) return;
Chris@35 352
Chris@35 353 QColor brushColour(m_colour);
Chris@35 354
Chris@44 355 int h, s, val;
Chris@44 356 brushColour.getHsv(&h, &s, &val);
Chris@36 357 brushColour.setHsv(h, s, 255, 100);
Chris@36 358
Chris@36 359 QColor penColour;
Chris@44 360 if (v->hasLightBackground()) {
Chris@36 361 penColour = Qt::black;
Chris@35 362 } else {
Chris@36 363 penColour = Qt::white;
Chris@35 364 }
Chris@35 365
Chris@35 366 // std::cerr << "TextLayer::paint: resolution is "
Chris@35 367 // << m_model->getResolution() << " frames" << std::endl;
Chris@35 368
Chris@35 369 QPoint localPos;
Chris@35 370 long illuminateFrame = -1;
Chris@35 371
Chris@44 372 if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@44 373 TextModel::PointList localPoints = getLocalPoints(v, localPos.x(),
Chris@35 374 localPos.y());
Chris@35 375 if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame;
Chris@35 376 }
Chris@35 377
Chris@35 378 int boxMaxWidth = 150;
Chris@35 379 int boxMaxHeight = 200;
Chris@35 380
Chris@35 381 paint.save();
Chris@44 382 paint.setClipRect(rect.x(), 0, rect.width() + boxMaxWidth, v->height());
Chris@35 383
Chris@35 384 for (TextModel::PointList::const_iterator i = points.begin();
Chris@35 385 i != points.end(); ++i) {
Chris@35 386
Chris@35 387 const TextModel::Point &p(*i);
Chris@35 388
Chris@44 389 int x = v->getXForFrame(p.frame);
Chris@44 390 int y = getYForHeight(v, p.height);
Chris@35 391
Chris@35 392 if (illuminateFrame == p.frame) {
Chris@36 393 paint.setBrush(penColour);
Chris@44 394 if (v->hasLightBackground()) {
Chris@36 395 paint.setPen(Qt::white);
Chris@36 396 } else {
Chris@36 397 paint.setPen(Qt::black);
Chris@36 398 }
Chris@36 399 } else {
Chris@36 400 paint.setPen(penColour);
Chris@36 401 paint.setBrush(brushColour);
Chris@35 402 }
Chris@35 403
Chris@35 404 QString label = p.label;
Chris@35 405 if (label == "") {
Chris@35 406 label = tr("<no text>");
Chris@35 407 }
Chris@35 408
Chris@35 409 QRect boxRect = paint.fontMetrics().boundingRect
Chris@35 410 (QRect(0, 0, boxMaxWidth, boxMaxHeight),
Chris@35 411 Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, label);
Chris@35 412
Chris@35 413 QRect textRect = QRect(3, 2, boxRect.width(), boxRect.height());
Chris@35 414 boxRect = QRect(0, 0, boxRect.width() + 6, boxRect.height() + 2);
Chris@35 415
Chris@44 416 if (y + boxRect.height() > v->height()) {
Chris@44 417 if (boxRect.height() > v->height()) y = 0;
Chris@44 418 else y = v->height() - boxRect.height() - 1;
Chris@35 419 }
Chris@35 420
Chris@35 421 boxRect = QRect(x, y, boxRect.width(), boxRect.height());
Chris@35 422 textRect = QRect(x + 3, y + 2, textRect.width(), textRect.height());
Chris@35 423
Chris@35 424 // boxRect = QRect(x, y, boxRect.width(), boxRect.height());
Chris@35 425 // textRect = QRect(x + 3, y + 2, textRect.width(), textRect.height());
Chris@35 426
Chris@35 427 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@35 428 paint.drawRect(boxRect);
Chris@35 429
Chris@35 430 paint.setRenderHint(QPainter::Antialiasing, true);
Chris@35 431 paint.drawText(textRect,
Chris@35 432 Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
Chris@35 433 label);
Chris@35 434
Chris@35 435 /// if (p.label != "") {
Chris@35 436 /// paint.drawText(x + 5, y - paint.fontMetrics().height() + paint.fontMetrics().ascent(), p.label);
Chris@35 437 /// }
Chris@35 438 }
Chris@35 439
Chris@35 440 paint.restore();
Chris@35 441
Chris@35 442 // looks like save/restore doesn't deal with this:
Chris@35 443 paint.setRenderHint(QPainter::Antialiasing, false);
Chris@35 444 }
Chris@35 445
Chris@35 446 void
Chris@44 447 TextLayer::drawStart(View *v, QMouseEvent *e)
Chris@35 448 {
Chris@36 449 // std::cerr << "TextLayer::drawStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@35 450
Chris@35 451 if (!m_model) {
Chris@35 452 std::cerr << "TextLayer::drawStart: no model" << std::endl;
Chris@35 453 return;
Chris@35 454 }
Chris@35 455
Chris@44 456 long frame = v->getFrameForX(e->x());
Chris@35 457 if (frame < 0) frame = 0;
Chris@35 458 frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@35 459
Chris@44 460 float height = getHeightForY(v, e->y());
Chris@35 461
Chris@35 462 m_editingPoint = TextModel::Point(frame, height, "");
Chris@35 463 m_originalPoint = m_editingPoint;
Chris@35 464
Chris@35 465 if (m_editingCommand) m_editingCommand->finish();
Chris@35 466 m_editingCommand = new TextModel::EditCommand(m_model, "Add Label");
Chris@35 467 m_editingCommand->addPoint(m_editingPoint);
Chris@35 468
Chris@35 469 m_editing = true;
Chris@35 470 }
Chris@35 471
Chris@35 472 void
Chris@44 473 TextLayer::drawDrag(View *v, QMouseEvent *e)
Chris@35 474 {
Chris@36 475 // std::cerr << "TextLayer::drawDrag(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@35 476
Chris@35 477 if (!m_model || !m_editing) return;
Chris@35 478
Chris@44 479 long frame = v->getFrameForX(e->x());
Chris@35 480 if (frame < 0) frame = 0;
Chris@35 481 frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@35 482
Chris@44 483 float height = getHeightForY(v, e->y());
Chris@35 484
Chris@35 485 m_editingCommand->deletePoint(m_editingPoint);
Chris@35 486 m_editingPoint.frame = frame;
Chris@35 487 m_editingPoint.height = height;
Chris@35 488 m_editingCommand->addPoint(m_editingPoint);
Chris@35 489 }
Chris@35 490
Chris@35 491 void
Chris@248 492 TextLayer::drawEnd(View *v, QMouseEvent *)
Chris@35 493 {
Chris@36 494 // std::cerr << "TextLayer::drawEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@35 495 if (!m_model || !m_editing) return;
Chris@36 496
Chris@36 497 bool ok = false;
Chris@44 498 QString label = QInputDialog::getText(v, tr("Enter label"),
Chris@36 499 tr("Please enter a new label:"),
Chris@36 500 QLineEdit::Normal, "", &ok);
Chris@36 501
Chris@36 502 if (ok) {
Chris@36 503 TextModel::RelabelCommand *command =
Chris@36 504 new TextModel::RelabelCommand(m_model, m_editingPoint, label);
Chris@36 505 m_editingCommand->addCommand(command);
Chris@36 506 }
Chris@36 507
Chris@35 508 m_editingCommand->finish();
Chris@35 509 m_editingCommand = 0;
Chris@35 510 m_editing = false;
Chris@35 511 }
Chris@35 512
Chris@35 513 void
Chris@44 514 TextLayer::editStart(View *v, QMouseEvent *e)
Chris@35 515 {
Chris@36 516 // std::cerr << "TextLayer::editStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@35 517
Chris@35 518 if (!m_model) return;
Chris@35 519
Chris@44 520 TextModel::PointList points = getLocalPoints(v, e->x(), e->y());
Chris@35 521 if (points.empty()) return;
Chris@35 522
Chris@36 523 m_editOrigin = e->pos();
Chris@35 524 m_editingPoint = *points.begin();
Chris@35 525 m_originalPoint = m_editingPoint;
Chris@35 526
Chris@35 527 if (m_editingCommand) {
Chris@35 528 m_editingCommand->finish();
Chris@35 529 m_editingCommand = 0;
Chris@35 530 }
Chris@35 531
Chris@35 532 m_editing = true;
Chris@35 533 }
Chris@35 534
Chris@35 535 void
Chris@44 536 TextLayer::editDrag(View *v, QMouseEvent *e)
Chris@35 537 {
Chris@35 538 if (!m_model || !m_editing) return;
Chris@35 539
Chris@44 540 long frameDiff = v->getFrameForX(e->x()) - v->getFrameForX(m_editOrigin.x());
Chris@44 541 float heightDiff = getHeightForY(v, e->y()) - getHeightForY(v, m_editOrigin.y());
Chris@36 542
Chris@36 543 long frame = m_originalPoint.frame + frameDiff;
Chris@36 544 float height = m_originalPoint.height + heightDiff;
Chris@36 545
Chris@44 546 // long frame = v->getFrameForX(e->x());
Chris@35 547 if (frame < 0) frame = 0;
Chris@36 548 frame = (frame / m_model->getResolution()) * m_model->getResolution();
Chris@35 549
Chris@44 550 // float height = getHeightForY(v, e->y());
Chris@35 551
Chris@35 552 if (!m_editingCommand) {
Chris@35 553 m_editingCommand = new TextModel::EditCommand(m_model, tr("Drag Label"));
Chris@35 554 }
Chris@35 555
Chris@35 556 m_editingCommand->deletePoint(m_editingPoint);
Chris@35 557 m_editingPoint.frame = frame;
Chris@35 558 m_editingPoint.height = height;
Chris@35 559 m_editingCommand->addPoint(m_editingPoint);
Chris@35 560 }
Chris@35 561
Chris@35 562 void
Chris@248 563 TextLayer::editEnd(View *, QMouseEvent *)
Chris@35 564 {
Chris@36 565 // std::cerr << "TextLayer::editEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@35 566 if (!m_model || !m_editing) return;
Chris@35 567
Chris@35 568 if (m_editingCommand) {
Chris@35 569
Chris@35 570 QString newName = m_editingCommand->getName();
Chris@35 571
Chris@35 572 if (m_editingPoint.frame != m_originalPoint.frame) {
Chris@35 573 if (m_editingPoint.height != m_originalPoint.height) {
Chris@35 574 newName = tr("Move Label");
Chris@35 575 } else {
Chris@36 576 newName = tr("Move Label Horizontally");
Chris@35 577 }
Chris@35 578 } else {
Chris@36 579 newName = tr("Move Label Vertically");
Chris@35 580 }
Chris@35 581
Chris@35 582 m_editingCommand->setName(newName);
Chris@35 583 m_editingCommand->finish();
Chris@35 584 }
Chris@35 585
Chris@35 586 m_editingCommand = 0;
Chris@35 587 m_editing = false;
Chris@35 588 }
Chris@35 589
Chris@255 590 bool
Chris@44 591 TextLayer::editOpen(View *v, QMouseEvent *e)
Chris@36 592 {
Chris@255 593 if (!m_model) return false;
Chris@36 594
Chris@44 595 TextModel::PointList points = getLocalPoints(v, e->x(), e->y());
Chris@255 596 if (points.empty()) return false;
Chris@36 597
Chris@36 598 QString label = points.begin()->label;
Chris@36 599
Chris@36 600 bool ok = false;
Chris@44 601 label = QInputDialog::getText(v, tr("Enter label"),
Chris@36 602 tr("Please enter a new label:"),
Chris@36 603 QLineEdit::Normal, label, &ok);
Chris@36 604 if (ok && label != points.begin()->label) {
Chris@36 605 TextModel::RelabelCommand *command =
Chris@36 606 new TextModel::RelabelCommand(m_model, *points.begin(), label);
Chris@99 607 CommandHistory::getInstance()->addCommand(command);
Chris@36 608 }
Chris@255 609
Chris@255 610 return true;
Chris@36 611 }
Chris@36 612
Chris@43 613 void
Chris@43 614 TextLayer::moveSelection(Selection s, size_t newStartFrame)
Chris@43 615 {
Chris@99 616 if (!m_model) return;
Chris@99 617
Chris@43 618 TextModel::EditCommand *command =
Chris@43 619 new TextModel::EditCommand(m_model, tr("Drag Selection"));
Chris@43 620
Chris@43 621 TextModel::PointList points =
Chris@43 622 m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@43 623
Chris@43 624 for (TextModel::PointList::iterator i = points.begin();
Chris@43 625 i != points.end(); ++i) {
Chris@43 626
Chris@43 627 if (s.contains(i->frame)) {
Chris@43 628 TextModel::Point newPoint(*i);
Chris@43 629 newPoint.frame = i->frame + newStartFrame - s.getStartFrame();
Chris@43 630 command->deletePoint(*i);
Chris@43 631 command->addPoint(newPoint);
Chris@43 632 }
Chris@43 633 }
Chris@43 634
Chris@43 635 command->finish();
Chris@43 636 }
Chris@43 637
Chris@43 638 void
Chris@43 639 TextLayer::resizeSelection(Selection s, Selection newSize)
Chris@43 640 {
Chris@99 641 if (!m_model) return;
Chris@99 642
Chris@43 643 TextModel::EditCommand *command =
Chris@43 644 new TextModel::EditCommand(m_model, tr("Resize Selection"));
Chris@43 645
Chris@43 646 TextModel::PointList points =
Chris@43 647 m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@43 648
Chris@43 649 double ratio =
Chris@43 650 double(newSize.getEndFrame() - newSize.getStartFrame()) /
Chris@43 651 double(s.getEndFrame() - s.getStartFrame());
Chris@43 652
Chris@43 653 for (TextModel::PointList::iterator i = points.begin();
Chris@43 654 i != points.end(); ++i) {
Chris@43 655
Chris@43 656 if (s.contains(i->frame)) {
Chris@43 657
Chris@43 658 double target = i->frame;
Chris@43 659 target = newSize.getStartFrame() +
Chris@43 660 double(target - s.getStartFrame()) * ratio;
Chris@43 661
Chris@43 662 TextModel::Point newPoint(*i);
Chris@43 663 newPoint.frame = lrint(target);
Chris@43 664 command->deletePoint(*i);
Chris@43 665 command->addPoint(newPoint);
Chris@43 666 }
Chris@43 667 }
Chris@43 668
Chris@43 669 command->finish();
Chris@43 670 }
Chris@43 671
Chris@76 672 void
Chris@76 673 TextLayer::deleteSelection(Selection s)
Chris@76 674 {
Chris@99 675 if (!m_model) return;
Chris@99 676
Chris@76 677 TextModel::EditCommand *command =
Chris@76 678 new TextModel::EditCommand(m_model, tr("Delete Selection"));
Chris@76 679
Chris@76 680 TextModel::PointList points =
Chris@76 681 m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@76 682
Chris@76 683 for (TextModel::PointList::iterator i = points.begin();
Chris@76 684 i != points.end(); ++i) {
Chris@76 685 if (s.contains(i->frame)) command->deletePoint(*i);
Chris@76 686 }
Chris@76 687
Chris@76 688 command->finish();
Chris@76 689 }
Chris@76 690
Chris@76 691 void
Chris@76 692 TextLayer::copy(Selection s, Clipboard &to)
Chris@76 693 {
Chris@99 694 if (!m_model) return;
Chris@99 695
Chris@76 696 TextModel::PointList points =
Chris@76 697 m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@76 698
Chris@76 699 for (TextModel::PointList::iterator i = points.begin();
Chris@76 700 i != points.end(); ++i) {
Chris@76 701 if (s.contains(i->frame)) {
Chris@76 702 Clipboard::Point point(i->frame, i->height, i->label);
Chris@76 703 to.addPoint(point);
Chris@76 704 }
Chris@76 705 }
Chris@76 706 }
Chris@76 707
Chris@125 708 bool
Chris@248 709 TextLayer::paste(const Clipboard &from, int frameOffset, bool /* interactive */)
Chris@76 710 {
Chris@125 711 if (!m_model) return false;
Chris@99 712
Chris@76 713 const Clipboard::PointList &points = from.getPoints();
Chris@76 714
Chris@76 715 TextModel::EditCommand *command =
Chris@76 716 new TextModel::EditCommand(m_model, tr("Paste"));
Chris@76 717
Chris@125 718 float valueMin = 0.0, valueMax = 1.0;
Chris@125 719 for (Clipboard::PointList::const_iterator i = points.begin();
Chris@125 720 i != points.end(); ++i) {
Chris@125 721 if (i->haveValue()) {
Chris@125 722 if (i->getValue() < valueMin) valueMin = i->getValue();
Chris@125 723 if (i->getValue() > valueMax) valueMax = i->getValue();
Chris@125 724 }
Chris@125 725 }
Chris@125 726 if (valueMax < valueMin + 1.0) valueMax = valueMin + 1.0;
Chris@125 727
Chris@76 728 for (Clipboard::PointList::const_iterator i = points.begin();
Chris@76 729 i != points.end(); ++i) {
Chris@76 730
Chris@76 731 if (!i->haveFrame()) continue;
Chris@76 732 size_t frame = 0;
Chris@76 733 if (frameOffset > 0 || -frameOffset < i->getFrame()) {
Chris@76 734 frame = i->getFrame() + frameOffset;
Chris@76 735 }
Chris@76 736 TextModel::Point newPoint(frame);
Chris@125 737
Chris@125 738 if (i->haveValue()) {
Chris@125 739 newPoint.height = (i->getValue() - valueMin) / (valueMax - valueMin);
Chris@125 740 } else {
Chris@125 741 newPoint.height = 0.5;
Chris@125 742 }
Chris@125 743
Chris@125 744 if (i->haveLabel()) {
Chris@125 745 newPoint.label = i->getLabel();
Chris@125 746 } else if (i->haveValue()) {
Chris@125 747 newPoint.label = QString("%1").arg(i->getValue());
Chris@125 748 } else {
Chris@125 749 newPoint.label = tr("New Point");
Chris@125 750 }
Chris@76 751
Chris@76 752 command->addPoint(newPoint);
Chris@76 753 }
Chris@76 754
Chris@76 755 command->finish();
Chris@125 756 return true;
Chris@76 757 }
Chris@76 758
Chris@35 759 QString
Chris@35 760 TextLayer::toXmlString(QString indent, QString extraAttributes) const
Chris@35 761 {
Chris@35 762 return Layer::toXmlString(indent, extraAttributes +
Chris@35 763 QString(" colour=\"%1\"")
Chris@35 764 .arg(encodeColour(m_colour)));
Chris@35 765 }
Chris@35 766
Chris@35 767 void
Chris@35 768 TextLayer::setProperties(const QXmlAttributes &attributes)
Chris@35 769 {
Chris@35 770 QString colourSpec = attributes.value("colour");
Chris@35 771 if (colourSpec != "") {
Chris@35 772 QColor colour(colourSpec);
Chris@35 773 if (colour.isValid()) {
Chris@35 774 setBaseColour(QColor(colourSpec));
Chris@35 775 }
Chris@35 776 }
Chris@35 777 }
Chris@35 778