annotate view/Pane.cpp @ 298:226cb289bdf4

* Layer tree view updating when visibility / audibility changed (and layers updating when they are changed in view) -- still some problems when a model is loaded while the tree is visible * FFTW_MEASURE throughout -- it does turn out to make an appreciable difference sometimes
author Chris Cannam
date Thu, 16 Aug 2007 16:47:07 +0000
parents 919740b20cc9
children 5c59c433b358
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@264 7 This file copyright 2006-2007 Chris Cannam and QMUL.
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 "Pane.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/RealTime.h"
Chris@127 21 #include "base/Profiler.h"
Chris@128 22 #include "ViewManager.h"
Chris@127 23 #include "base/CommandHistory.h"
Chris@294 24 #include "base/TextAbbrev.h"
Chris@127 25 #include "layer/WaveformLayer.h"
Chris@127 26
Chris@127 27 #include <QPaintEvent>
Chris@127 28 #include <QPainter>
Chris@257 29 #include <QBitmap>
Chris@257 30 #include <QCursor>
Chris@127 31 #include <iostream>
Chris@127 32 #include <cmath>
Chris@127 33
Chris@133 34 //!!! for HUD -- pull out into a separate class
Chris@133 35 #include <QFrame>
Chris@133 36 #include <QGridLayout>
Chris@133 37 #include <QPushButton>
Chris@133 38 #include "widgets/Thumbwheel.h"
Chris@172 39 #include "widgets/Panner.h"
Chris@188 40 #include "widgets/RangeInputDialog.h"
Chris@189 41 #include "widgets/NotifyingPushButton.h"
Chris@133 42
Chris@282 43 #include "widgets/KeyReference.h" //!!! should probably split KeyReference into a data class in base and another that shows the widget
Chris@282 44
Chris@127 45 using std::cerr;
Chris@127 46 using std::endl;
Chris@127 47
Chris@267 48 QCursor *Pane::m_measureCursor1 = 0;
Chris@267 49 QCursor *Pane::m_measureCursor2 = 0;
Chris@262 50
Chris@127 51 Pane::Pane(QWidget *w) :
Chris@127 52 View(w, true),
Chris@127 53 m_identifyFeatures(false),
Chris@127 54 m_clickedInRange(false),
Chris@127 55 m_shiftPressed(false),
Chris@127 56 m_ctrlPressed(false),
Chris@127 57 m_navigating(false),
Chris@127 58 m_resizing(false),
Chris@133 59 m_centreLineVisible(true),
Chris@222 60 m_scaleWidth(0),
Chris@237 61 m_headsUpDisplay(0),
Chris@237 62 m_vpan(0),
Chris@237 63 m_hthumb(0),
Chris@237 64 m_vthumb(0),
Chris@290 65 m_reset(0),
Chris@290 66 m_mouseInWidget(false)
Chris@127 67 {
Chris@127 68 setObjectName("Pane");
Chris@127 69 setMouseTracking(true);
Chris@133 70
Chris@133 71 updateHeadsUpDisplay();
Chris@133 72 }
Chris@133 73
Chris@133 74 void
Chris@133 75 Pane::updateHeadsUpDisplay()
Chris@133 76 {
Chris@187 77 Profiler profiler("Pane::updateHeadsUpDisplay", true);
Chris@187 78
Chris@192 79 if (!isVisible()) return;
Chris@192 80
Chris@132 81 /*
Chris@132 82 int count = 0;
Chris@132 83 int currentLevel = 1;
Chris@132 84 int level = 1;
Chris@132 85 while (true) {
Chris@132 86 if (getZoomLevel() == level) currentLevel = count;
Chris@132 87 int newLevel = getZoomConstraintBlockSize(level + 1,
Chris@132 88 ZoomConstraint::RoundUp);
Chris@132 89 if (newLevel == level) break;
Chris@132 90 if (newLevel == 131072) break; //!!! just because
Chris@132 91 level = newLevel;
Chris@132 92 ++count;
Chris@132 93 }
Chris@132 94
Chris@132 95 std::cerr << "Have " << count+1 << " zoom levels" << std::endl;
Chris@132 96 */
Chris@133 97
Chris@188 98 Layer *layer = 0;
Chris@188 99 if (getLayerCount() > 0) layer = getLayer(getLayerCount() - 1);
Chris@188 100
Chris@133 101 if (!m_headsUpDisplay) {
Chris@133 102
Chris@133 103 m_headsUpDisplay = new QFrame(this);
Chris@133 104
Chris@133 105 QGridLayout *layout = new QGridLayout;
Chris@133 106 layout->setMargin(0);
Chris@133 107 layout->setSpacing(0);
Chris@133 108 m_headsUpDisplay->setLayout(layout);
Chris@133 109
Chris@133 110 m_hthumb = new Thumbwheel(Qt::Horizontal);
Chris@187 111 m_hthumb->setObjectName(tr("Horizontal Zoom"));
Chris@260 112 m_hthumb->setCursor(Qt::ArrowCursor);
Chris@173 113 layout->addWidget(m_hthumb, 1, 0, 1, 2);
Chris@133 114 m_hthumb->setFixedWidth(70);
Chris@133 115 m_hthumb->setFixedHeight(16);
Chris@133 116 m_hthumb->setDefaultValue(0);
Chris@165 117 m_hthumb->setSpeed(0.6);
Chris@133 118 connect(m_hthumb, SIGNAL(valueChanged(int)), this,
Chris@133 119 SLOT(horizontalThumbwheelMoved(int)));
Chris@189 120 connect(m_hthumb, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
Chris@189 121 connect(m_hthumb, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
Chris@172 122
Chris@172 123 m_vpan = new Panner;
Chris@260 124 m_vpan->setCursor(Qt::ArrowCursor);
Chris@172 125 layout->addWidget(m_vpan, 0, 1);
Chris@173 126 m_vpan->setFixedWidth(12);
Chris@172 127 m_vpan->setFixedHeight(70);
Chris@174 128 m_vpan->setAlpha(80, 130);
Chris@174 129 connect(m_vpan, SIGNAL(rectExtentsChanged(float, float, float, float)),
Chris@174 130 this, SLOT(verticalPannerMoved(float, float, float, float)));
Chris@188 131 connect(m_vpan, SIGNAL(doubleClicked()),
Chris@188 132 this, SLOT(editVerticalPannerExtents()));
Chris@189 133 connect(m_vpan, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
Chris@189 134 connect(m_vpan, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
Chris@172 135
Chris@133 136 m_vthumb = new Thumbwheel(Qt::Vertical);
Chris@187 137 m_vthumb->setObjectName(tr("Vertical Zoom"));
Chris@260 138 m_vthumb->setCursor(Qt::ArrowCursor);
Chris@172 139 layout->addWidget(m_vthumb, 0, 2);
Chris@133 140 m_vthumb->setFixedWidth(16);
Chris@133 141 m_vthumb->setFixedHeight(70);
Chris@133 142 connect(m_vthumb, SIGNAL(valueChanged(int)), this,
Chris@133 143 SLOT(verticalThumbwheelMoved(int)));
Chris@189 144 connect(m_vthumb, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
Chris@189 145 connect(m_vthumb, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
Chris@133 146
Chris@188 147 if (layer) {
Chris@188 148 RangeMapper *rm = layer->getNewVerticalZoomRangeMapper();
Chris@188 149 if (rm) m_vthumb->setRangeMapper(rm);
Chris@188 150 }
Chris@188 151
Chris@189 152 m_reset = new NotifyingPushButton;
Chris@260 153 m_reset->setCursor(Qt::ArrowCursor);
Chris@189 154 m_reset->setFixedHeight(16);
Chris@189 155 m_reset->setFixedWidth(16);
Chris@189 156 layout->addWidget(m_reset, 1, 2);
Chris@189 157 connect(m_reset, SIGNAL(clicked()), m_hthumb, SLOT(resetToDefault()));
Chris@189 158 connect(m_reset, SIGNAL(clicked()), m_vthumb, SLOT(resetToDefault()));
Chris@189 159 connect(m_reset, SIGNAL(clicked()), m_vpan, SLOT(resetToDefault()));
Chris@189 160 connect(m_reset, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
Chris@189 161 connect(m_reset, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
Chris@133 162 }
Chris@133 163
Chris@133 164 int count = 0;
Chris@133 165 int current = 0;
Chris@133 166 int level = 1;
Chris@133 167
Chris@137 168 //!!! pull out into function (presumably in View)
Chris@137 169 bool haveConstraint = false;
Chris@137 170 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end();
Chris@137 171 ++i) {
Chris@137 172 if ((*i)->getZoomConstraint() && !(*i)->supportsOtherZoomLevels()) {
Chris@137 173 haveConstraint = true;
Chris@137 174 break;
Chris@137 175 }
Chris@137 176 }
Chris@137 177
Chris@137 178 if (haveConstraint) {
Chris@137 179 while (true) {
Chris@137 180 if (getZoomLevel() == level) current = count;
Chris@137 181 int newLevel = getZoomConstraintBlockSize(level + 1,
Chris@137 182 ZoomConstraint::RoundUp);
Chris@137 183 if (newLevel == level) break;
Chris@137 184 level = newLevel;
Chris@137 185 if (++count == 50) break;
Chris@137 186 }
Chris@137 187 } else {
Chris@137 188 // if we have no particular constraints, we can really spread out
Chris@137 189 while (true) {
Chris@137 190 if (getZoomLevel() >= level) current = count;
Chris@137 191 int step = level / 10;
Chris@137 192 int pwr = 0;
Chris@137 193 while (step > 0) {
Chris@137 194 ++pwr;
Chris@137 195 step /= 2;
Chris@137 196 }
Chris@137 197 step = 1;
Chris@137 198 while (pwr > 0) {
Chris@137 199 step *= 2;
Chris@137 200 --pwr;
Chris@137 201 }
Chris@154 202 // std::cerr << level << std::endl;
Chris@137 203 level += step;
Chris@137 204 if (++count == 100 || level > 262144) break;
Chris@137 205 }
Chris@133 206 }
Chris@133 207
Chris@133 208 // std::cerr << "Have " << count << " zoom levels" << std::endl;
Chris@133 209
Chris@133 210 m_hthumb->setMinimumValue(0);
Chris@133 211 m_hthumb->setMaximumValue(count);
Chris@133 212 m_hthumb->setValue(count - current);
Chris@133 213
Chris@133 214 // std::cerr << "set value to " << count-current << std::endl;
Chris@133 215
Chris@133 216 // std::cerr << "default value is " << m_hthumb->getDefaultValue() << std::endl;
Chris@133 217
Chris@133 218 if (count != 50 && m_hthumb->getDefaultValue() == 0) {
Chris@133 219 m_hthumb->setDefaultValue(count - current);
Chris@133 220 // std::cerr << "set default value to " << m_hthumb->getDefaultValue() << std::endl;
Chris@133 221 }
Chris@133 222
Chris@204 223 bool haveVThumb = false;
Chris@204 224
Chris@133 225 if (layer) {
Chris@133 226 int defaultStep = 0;
Chris@133 227 int max = layer->getVerticalZoomSteps(defaultStep);
Chris@133 228 if (max == 0) {
Chris@133 229 m_vthumb->hide();
Chris@133 230 } else {
Chris@204 231 haveVThumb = true;
Chris@133 232 m_vthumb->show();
Chris@187 233 m_vthumb->blockSignals(true);
Chris@133 234 m_vthumb->setMinimumValue(0);
Chris@133 235 m_vthumb->setMaximumValue(max);
Chris@133 236 m_vthumb->setDefaultValue(defaultStep);
Chris@133 237 m_vthumb->setValue(layer->getCurrentVerticalZoomStep());
Chris@187 238 m_vthumb->blockSignals(false);
Chris@135 239
Chris@205 240 // std::cerr << "Vertical thumbwheel: min 0, max " << max
Chris@205 241 // << ", default " << defaultStep << ", value "
Chris@205 242 // << m_vthumb->getValue() << std::endl;
Chris@135 243
Chris@133 244 }
Chris@133 245 }
Chris@133 246
Chris@174 247 updateVerticalPanner();
Chris@174 248
Chris@133 249 if (m_manager && m_manager->getZoomWheelsEnabled() &&
Chris@133 250 width() > 120 && height() > 100) {
Chris@165 251 if (!m_headsUpDisplay->isVisible()) {
Chris@165 252 m_headsUpDisplay->show();
Chris@165 253 }
Chris@204 254 if (haveVThumb) {
Chris@204 255 m_headsUpDisplay->setFixedHeight(m_vthumb->height() + m_hthumb->height());
Chris@133 256 m_headsUpDisplay->move(width() - 86, height() - 86);
Chris@133 257 } else {
Chris@204 258 m_headsUpDisplay->setFixedHeight(m_hthumb->height());
Chris@204 259 m_headsUpDisplay->move(width() - 86, height() - 16);
Chris@133 260 }
Chris@133 261 } else {
Chris@133 262 m_headsUpDisplay->hide();
Chris@133 263 }
Chris@127 264 }
Chris@127 265
Chris@174 266 void
Chris@174 267 Pane::updateVerticalPanner()
Chris@174 268 {
Chris@174 269 if (!m_vpan || !m_manager || !m_manager->getZoomWheelsEnabled()) return;
Chris@174 270
Chris@208 271 // In principle we should show or hide the panner on the basis of
Chris@208 272 // whether the top layer has adjustable display extents, and we do
Chris@208 273 // that below. However, we have no basis for layout of the panner
Chris@208 274 // if the vertical scroll wheel is not also present. So if we
Chris@208 275 // have no vertical scroll wheel, we should remove the panner as
Chris@208 276 // well. Ideally any layer that implements display extents should
Chris@208 277 // implement vertical zoom steps as well, but they don't all at
Chris@208 278 // the moment.
Chris@208 279
Chris@208 280 Layer *layer = 0;
Chris@208 281 if (getLayerCount() > 0) layer = getLayer(getLayerCount() - 1);
Chris@208 282 int discard;
Chris@208 283 if (layer && layer->getVerticalZoomSteps(discard) == 0) {
Chris@208 284 m_vpan->hide();
Chris@208 285 return;
Chris@208 286 }
Chris@208 287
Chris@174 288 float vmin, vmax, dmin, dmax;
Chris@174 289 if (getTopLayerDisplayExtents(vmin, vmax, dmin, dmax) && vmax != vmin) {
Chris@174 290 float y0 = (dmin - vmin) / (vmax - vmin);
Chris@174 291 float y1 = (dmax - vmin) / (vmax - vmin);
Chris@174 292 m_vpan->blockSignals(true);
Chris@174 293 m_vpan->setRectExtents(0, 1.0 - y1, 1, y1 - y0);
Chris@174 294 m_vpan->blockSignals(false);
Chris@174 295 m_vpan->show();
Chris@174 296 } else {
Chris@174 297 m_vpan->hide();
Chris@174 298 }
Chris@174 299 }
Chris@174 300
Chris@127 301 bool
Chris@127 302 Pane::shouldIlluminateLocalFeatures(const Layer *layer, QPoint &pos) const
Chris@127 303 {
Chris@127 304 QPoint discard;
Chris@127 305 bool b0, b1;
Chris@127 306
Chris@262 307 if (m_manager && m_manager->getToolMode() == ViewManager::MeasureMode) {
Chris@262 308 return false;
Chris@262 309 }
Chris@262 310
Chris@127 311 if (layer == getSelectedLayer() &&
Chris@127 312 !shouldIlluminateLocalSelection(discard, b0, b1)) {
Chris@127 313
Chris@127 314 pos = m_identifyPoint;
Chris@127 315 return m_identifyFeatures;
Chris@127 316 }
Chris@127 317
Chris@127 318 return false;
Chris@127 319 }
Chris@127 320
Chris@127 321 bool
Chris@127 322 Pane::shouldIlluminateLocalSelection(QPoint &pos,
Chris@127 323 bool &closeToLeft,
Chris@127 324 bool &closeToRight) const
Chris@127 325 {
Chris@127 326 if (m_identifyFeatures &&
Chris@127 327 m_manager &&
Chris@127 328 m_manager->getToolMode() == ViewManager::EditMode &&
Chris@127 329 !m_manager->getSelections().empty() &&
Chris@127 330 !selectionIsBeingEdited()) {
Chris@127 331
Chris@127 332 Selection s(getSelectionAt(m_identifyPoint.x(),
Chris@127 333 closeToLeft, closeToRight));
Chris@127 334
Chris@127 335 if (!s.isEmpty()) {
Chris@127 336 if (getSelectedLayer() && getSelectedLayer()->isLayerEditable()) {
Chris@127 337
Chris@127 338 pos = m_identifyPoint;
Chris@127 339 return true;
Chris@127 340 }
Chris@127 341 }
Chris@127 342 }
Chris@127 343
Chris@127 344 return false;
Chris@127 345 }
Chris@127 346
Chris@127 347 bool
Chris@127 348 Pane::selectionIsBeingEdited() const
Chris@127 349 {
Chris@127 350 if (!m_editingSelection.isEmpty()) {
Chris@127 351 if (m_mousePos != m_clickPos &&
Chris@127 352 getFrameForX(m_mousePos.x()) != getFrameForX(m_clickPos.x())) {
Chris@127 353 return true;
Chris@127 354 }
Chris@127 355 }
Chris@127 356 return false;
Chris@127 357 }
Chris@127 358
Chris@127 359 void
Chris@127 360 Pane::setCentreLineVisible(bool visible)
Chris@127 361 {
Chris@127 362 m_centreLineVisible = visible;
Chris@127 363 update();
Chris@127 364 }
Chris@127 365
Chris@127 366 void
Chris@127 367 Pane::paintEvent(QPaintEvent *e)
Chris@127 368 {
Chris@127 369 // Profiler profiler("Pane::paintEvent", true);
Chris@127 370
Chris@127 371 QPainter paint;
Chris@127 372
Chris@127 373 QRect r(rect());
Chris@261 374 if (e) r = e->rect();
Chris@127 375
Chris@127 376 View::paintEvent(e);
Chris@127 377
Chris@127 378 paint.begin(this);
Chris@127 379
Chris@261 380 if (e) paint.setClipRect(r);
Chris@127 381
Chris@259 382 ViewManager::ToolMode toolMode = m_manager->getToolMode();
Chris@259 383
Chris@127 384 if (m_manager &&
Chris@290 385 // !m_manager->isPlaying() &&
Chris@290 386 m_mouseInWidget &&
Chris@259 387 toolMode == ViewManager::MeasureMode) {
Chris@127 388
Chris@127 389 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@127 390 --vi;
Chris@127 391
Chris@127 392 std::vector<QRect> crosshairExtents;
Chris@127 393
Chris@127 394 if ((*vi)->getCrosshairExtents(this, paint, m_identifyPoint,
Chris@127 395 crosshairExtents)) {
Chris@127 396 (*vi)->paintCrosshairs(this, paint, m_identifyPoint);
Chris@127 397 break;
Chris@127 398 } else if ((*vi)->isLayerOpaque()) {
Chris@127 399 break;
Chris@127 400 }
Chris@127 401 }
Chris@127 402 }
Chris@127 403
Chris@268 404 Layer *topLayer = getTopLayer();
Chris@277 405 bool haveSomeTimeXAxis = false;
Chris@268 406
Chris@258 407 const Model *waveformModel = 0; // just for reporting purposes
Chris@127 408 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@127 409 --vi;
Chris@277 410 if (!haveSomeTimeXAxis && (*vi)->hasTimeXAxis()) {
Chris@277 411 haveSomeTimeXAxis = true;
Chris@277 412 }
Chris@127 413 if (dynamic_cast<WaveformLayer *>(*vi)) {
Chris@127 414 waveformModel = (*vi)->getModel();
Chris@127 415 }
Chris@277 416 if (waveformModel && haveSomeTimeXAxis) break;
Chris@258 417 }
Chris@127 418
Chris@261 419 m_scaleWidth = 0;
Chris@261 420
Chris@261 421 if (m_manager && m_manager->shouldShowVerticalScale() && topLayer) {
Chris@261 422 drawVerticalScale(r, topLayer, paint);
Chris@261 423 }
Chris@261 424
Chris@261 425 if (m_identifyFeatures && topLayer) {
Chris@261 426 drawFeatureDescription(topLayer, paint);
Chris@261 427 }
Chris@261 428
Chris@261 429 int sampleRate = getModelsSampleRate();
Chris@261 430 paint.setBrush(Qt::NoBrush);
Chris@261 431
Chris@261 432 if (m_centreLineVisible &&
Chris@261 433 m_manager &&
Chris@261 434 m_manager->shouldShowCentreLine()) {
Chris@277 435 drawCentreLine(sampleRate, paint, !haveSomeTimeXAxis);
Chris@261 436 }
Chris@261 437
Chris@261 438 paint.setPen(QColor(50, 50, 50));
Chris@261 439
Chris@261 440 if (waveformModel &&
Chris@261 441 m_manager &&
Chris@261 442 m_manager->shouldShowDuration()) {
Chris@261 443 drawDurationAndRate(r, waveformModel, sampleRate, paint);
Chris@261 444 }
Chris@261 445
Chris@261 446 if (m_manager &&
Chris@261 447 m_manager->shouldShowLayerNames()) {
Chris@261 448 drawLayerNames(r, paint);
Chris@261 449 }
Chris@261 450
Chris@262 451 if (m_shiftPressed && m_clickedInRange &&
Chris@283 452 (toolMode == ViewManager::NavigateMode || m_navigating)) {
Chris@261 453
Chris@261 454 //!!! be nice if this looked a bit more in keeping with the
Chris@261 455 //selection block
Chris@262 456
Chris@262 457 paint.setPen(Qt::blue);
Chris@262 458 //!!! shouldn't use clickPos -- needs to use a clicked frame
Chris@262 459 paint.drawRect(m_clickPos.x(), m_clickPos.y(),
Chris@262 460 m_mousePos.x() - m_clickPos.x(),
Chris@262 461 m_mousePos.y() - m_clickPos.y());
Chris@261 462
Chris@262 463 }
Chris@261 464
Chris@266 465 if (toolMode == ViewManager::MeasureMode && topLayer) {
Chris@272 466 bool showFocus = false;
Chris@272 467 if (!m_manager || !m_manager->isPlaying()) showFocus = true;
Chris@272 468 topLayer->paintMeasurementRects(this, paint, showFocus, m_identifyPoint);
Chris@261 469 }
Chris@261 470
Chris@261 471 if (selectionIsBeingEdited()) {
Chris@261 472 drawEditingSelection(paint);
Chris@261 473 }
Chris@261 474
Chris@261 475 paint.end();
Chris@261 476 }
Chris@261 477
Chris@276 478 size_t
Chris@276 479 Pane::getVerticalScaleWidth() const
Chris@276 480 {
Chris@276 481 if (m_scaleWidth > 0) return m_scaleWidth;
Chris@276 482 else return 0;
Chris@276 483 }
Chris@276 484
Chris@261 485 void
Chris@261 486 Pane::drawVerticalScale(QRect r, Layer *topLayer, QPainter &paint)
Chris@261 487 {
Chris@258 488 Layer *scaleLayer = 0;
Chris@258 489
Chris@261 490 float min, max;
Chris@261 491 bool log;
Chris@261 492 QString unit;
Chris@258 493
Chris@261 494 // If the top layer has no scale and reports no display
Chris@261 495 // extents, but does report a unit, then the scale should be
Chris@261 496 // drawn from any underlying layer with a scale and that unit.
Chris@261 497 // If the top layer has no scale and no value extents at all,
Chris@261 498 // then the scale should be drawn from any underlying layer
Chris@261 499 // with a scale regardless of unit.
Chris@258 500
Chris@261 501 int sw = topLayer->getVerticalScaleWidth(this, paint);
Chris@258 502
Chris@261 503 if (sw > 0) {
Chris@261 504 scaleLayer = topLayer;
Chris@261 505 m_scaleWidth = sw;
Chris@258 506
Chris@261 507 } else {
Chris@258 508
Chris@261 509 bool hasDisplayExtents = topLayer->getDisplayExtents(min, max);
Chris@261 510 bool hasValueExtents = topLayer->getValueExtents(min, max, log, unit);
Chris@261 511
Chris@261 512 if (!hasDisplayExtents) {
Chris@258 513
Chris@261 514 if (!hasValueExtents) {
Chris@258 515
Chris@261 516 for (LayerList::iterator vi = m_layers.end();
Chris@261 517 vi != m_layers.begin(); ) {
Chris@261 518
Chris@261 519 --vi;
Chris@261 520
Chris@261 521 if ((*vi) == topLayer) continue;
Chris@261 522
Chris@261 523 sw = (*vi)->getVerticalScaleWidth(this, paint);
Chris@261 524
Chris@261 525 if (sw > 0) {
Chris@261 526 scaleLayer = *vi;
Chris@261 527 m_scaleWidth = sw;
Chris@261 528 break;
Chris@261 529 }
Chris@261 530 }
Chris@261 531 } else if (unit != "") { // && hasValueExtents && !hasDisplayExtents
Chris@258 532
Chris@261 533 QString requireUnit = unit;
Chris@261 534
Chris@261 535 for (LayerList::iterator vi = m_layers.end();
Chris@261 536 vi != m_layers.begin(); ) {
Chris@258 537
Chris@261 538 --vi;
Chris@258 539
Chris@261 540 if ((*vi) == topLayer) continue;
Chris@258 541
Chris@261 542 if ((*vi)->getDisplayExtents(min, max)) {
Chris@261 543
Chris@261 544 // search no further than this: if the
Chris@261 545 // scale from this layer isn't suitable,
Chris@261 546 // we'll have to draw no scale (else we'd
Chris@261 547 // risk ending up with the wrong scale)
Chris@261 548
Chris@261 549 if ((*vi)->getValueExtents(min, max, log, unit) &&
Chris@261 550 unit == requireUnit) {
Chris@261 551
Chris@261 552 sw = (*vi)->getVerticalScaleWidth(this, paint);
Chris@261 553 if (sw > 0) {
Chris@261 554 scaleLayer = *vi;
Chris@261 555 m_scaleWidth = sw;
Chris@261 556 }
Chris@258 557 }
Chris@261 558 break;
Chris@258 559 }
Chris@258 560 }
Chris@258 561 }
Chris@127 562 }
Chris@258 563 }
Chris@127 564
Chris@258 565 if (!scaleLayer) m_scaleWidth = 0;
Chris@258 566
Chris@258 567 if (m_scaleWidth > 0 && r.left() < m_scaleWidth) {
Chris@127 568
Chris@127 569 // Profiler profiler("Pane::paintEvent - painting vertical scale", true);
Chris@127 570
Chris@127 571 // std::cerr << "Pane::paintEvent: calling paint.save() in vertical scale block" << std::endl;
Chris@258 572 paint.save();
Chris@258 573
Chris@287 574 paint.setPen(getForeground());
Chris@287 575 paint.setBrush(getBackground());
Chris@258 576 paint.drawRect(0, -1, m_scaleWidth, height()+1);
Chris@258 577
Chris@258 578 paint.setBrush(Qt::NoBrush);
Chris@258 579 scaleLayer->paintVerticalScale
Chris@258 580 (this, paint, QRect(0, 0, m_scaleWidth, height()));
Chris@258 581
Chris@258 582 paint.restore();
Chris@258 583 }
Chris@261 584 }
Chris@261 585
Chris@261 586 void
Chris@261 587 Pane::drawFeatureDescription(Layer *topLayer, QPainter &paint)
Chris@261 588 {
Chris@261 589 QPoint pos = m_identifyPoint;
Chris@261 590 QString desc = topLayer->getFeatureDescription(this, pos);
Chris@261 591
Chris@261 592 if (desc != "") {
Chris@261 593
Chris@261 594 paint.save();
Chris@261 595
Chris@261 596 int tabStop =
Chris@261 597 paint.fontMetrics().width(tr("Some lengthy prefix:"));
Chris@261 598
Chris@261 599 QRect boundingRect =
Chris@261 600 paint.fontMetrics().boundingRect
Chris@261 601 (rect(),
Chris@261 602 Qt::AlignRight | Qt::AlignTop | Qt::TextExpandTabs,
Chris@261 603 desc, tabStop);
Chris@261 604
Chris@261 605 if (hasLightBackground()) {
Chris@261 606 paint.setPen(Qt::NoPen);
Chris@261 607 paint.setBrush(QColor(250, 250, 250, 200));
Chris@261 608 } else {
Chris@261 609 paint.setPen(Qt::NoPen);
Chris@261 610 paint.setBrush(QColor(50, 50, 50, 200));
Chris@261 611 }
Chris@261 612
Chris@261 613 int extra = paint.fontMetrics().descent();
Chris@261 614 paint.drawRect(width() - boundingRect.width() - 10 - extra,
Chris@261 615 10 - extra,
Chris@261 616 boundingRect.width() + 2 * extra,
Chris@261 617 boundingRect.height() + extra);
Chris@261 618
Chris@261 619 if (hasLightBackground()) {
Chris@261 620 paint.setPen(QColor(150, 20, 0));
Chris@261 621 } else {
Chris@261 622 paint.setPen(QColor(255, 150, 100));
Chris@261 623 }
Chris@261 624
Chris@261 625 QTextOption option;
Chris@261 626 option.setWrapMode(QTextOption::NoWrap);
Chris@261 627 option.setAlignment(Qt::AlignRight | Qt::AlignTop);
Chris@261 628 option.setTabStop(tabStop);
Chris@261 629 paint.drawText(QRectF(width() - boundingRect.width() - 10, 10,
Chris@261 630 boundingRect.width(),
Chris@261 631 boundingRect.height()),
Chris@261 632 desc,
Chris@261 633 option);
Chris@261 634
Chris@261 635 paint.restore();
Chris@261 636 }
Chris@261 637 }
Chris@258 638
Chris@261 639 void
Chris@277 640 Pane::drawCentreLine(int sampleRate, QPainter &paint, bool omitLine)
Chris@261 641 {
Chris@261 642 int fontHeight = paint.fontMetrics().height();
Chris@261 643 int fontAscent = paint.fontMetrics().ascent();
Chris@261 644
Chris@261 645 QColor c = QColor(0, 0, 0);
Chris@261 646 if (!hasLightBackground()) {
Chris@261 647 c = QColor(240, 240, 240);
Chris@261 648 }
Chris@277 649
Chris@261 650 paint.setPen(c);
Chris@274 651 int x = width() / 2;
Chris@277 652
Chris@277 653 if (!omitLine) {
Chris@277 654 paint.drawLine(x, 0, x, height() - 1);
Chris@277 655 paint.drawLine(x-1, 1, x+1, 1);
Chris@277 656 paint.drawLine(x-2, 0, x+2, 0);
Chris@277 657 paint.drawLine(x-1, height() - 2, x+1, height() - 2);
Chris@277 658 paint.drawLine(x-2, height() - 1, x+2, height() - 1);
Chris@277 659 }
Chris@261 660
Chris@261 661 paint.setPen(QColor(50, 50, 50));
Chris@261 662
Chris@261 663 int y = height() - fontHeight + fontAscent - 6;
Chris@261 664
Chris@261 665 LayerList::iterator vi = m_layers.end();
Chris@261 666
Chris@261 667 if (vi != m_layers.begin()) {
Chris@261 668
Chris@261 669 switch ((*--vi)->getPreferredFrameCountPosition()) {
Chris@258 670
Chris@261 671 case Layer::PositionTop:
Chris@261 672 y = fontAscent + 6;
Chris@261 673 break;
Chris@258 674
Chris@261 675 case Layer::PositionMiddle:
Chris@261 676 y = (height() - fontHeight) / 2
Chris@261 677 + fontAscent;
Chris@261 678 break;
Chris@127 679
Chris@261 680 case Layer::PositionBottom:
Chris@261 681 // y already set correctly
Chris@261 682 break;
Chris@127 683 }
Chris@127 684 }
Chris@127 685
Chris@261 686 if (m_manager && m_manager->shouldShowFrameCount()) {
Chris@261 687
Chris@261 688 if (sampleRate) {
Chris@127 689
Chris@261 690 QString text(QString::fromStdString
Chris@261 691 (RealTime::frame2RealTime
Chris@261 692 (m_centreFrame, sampleRate).toText(true)));
Chris@127 693
Chris@261 694 int tw = paint.fontMetrics().width(text);
Chris@261 695 int x = width()/2 - 4 - tw;
Chris@127 696
Chris@127 697 drawVisibleText(paint, x, y, text, OutlinedText);
Chris@127 698 }
Chris@261 699
Chris@261 700 QString text = QString("%1").arg(m_centreFrame);
Chris@261 701
Chris@261 702 int x = width()/2 + 4;
Chris@261 703
Chris@261 704 drawVisibleText(paint, x, y, text, OutlinedText);
Chris@261 705 }
Chris@261 706 }
Chris@127 707
Chris@261 708 void
Chris@261 709 Pane::drawLayerNames(QRect r, QPainter &paint)
Chris@261 710 {
Chris@261 711 int fontHeight = paint.fontMetrics().height();
Chris@261 712 int fontAscent = paint.fontMetrics().ascent();
Chris@127 713
Chris@261 714 if (r.y() + r.height() < height() - int(m_layers.size()) * fontHeight - 6) {
Chris@261 715 return;
Chris@127 716 }
Chris@127 717
Chris@294 718 QStringList texts;
Chris@294 719 for (LayerList::iterator i = m_layers.begin(); i != m_layers.end(); ++i) {
Chris@294 720 texts.push_back((*i)->getLayerPresentationName());
Chris@294 721 }
Chris@127 722
Chris@294 723 int maxTextWidth = width() / 3;
Chris@294 724 texts = TextAbbrev::abbreviate(texts, paint.fontMetrics(), maxTextWidth);
Chris@294 725
Chris@261 726 int lly = height() - 6;
Chris@261 727 int llx = width() - maxTextWidth - 5;
Chris@261 728
Chris@261 729 if (m_manager->getZoomWheelsEnabled()) {
Chris@261 730 lly -= 20;
Chris@261 731 llx -= 36;
Chris@261 732 }
Chris@261 733
Chris@261 734 if (r.x() + r.width() >= llx) {
Chris@261 735
Chris@261 736 for (size_t i = 0; i < texts.size(); ++i) {
Chris@261 737
Chris@261 738 if (i + 1 == texts.size()) {
Chris@287 739 paint.setPen(getForeground());
Chris@261 740 }
Chris@261 741
Chris@261 742 drawVisibleText(paint, llx,
Chris@261 743 lly - fontHeight + fontAscent,
Chris@261 744 texts[i], OutlinedText);
Chris@261 745
Chris@261 746 lly -= fontHeight;
Chris@261 747 }
Chris@261 748 }
Chris@261 749 }
Chris@127 750
Chris@261 751 void
Chris@261 752 Pane::drawEditingSelection(QPainter &paint)
Chris@261 753 {
Chris@261 754 int offset = m_mousePos.x() - m_clickPos.x();
Chris@261 755 int p0 = getXForFrame(m_editingSelection.getStartFrame()) + offset;
Chris@261 756 int p1 = getXForFrame(m_editingSelection.getEndFrame()) + offset;
Chris@261 757
Chris@261 758 if (m_editingSelectionEdge < 0) {
Chris@261 759 p1 = getXForFrame(m_editingSelection.getEndFrame());
Chris@261 760 } else if (m_editingSelectionEdge > 0) {
Chris@261 761 p0 = getXForFrame(m_editingSelection.getStartFrame());
Chris@127 762 }
Chris@127 763
Chris@261 764 paint.save();
Chris@287 765 paint.setPen(QPen(getForeground(), 2));
Chris@261 766
Chris@261 767 //!!! duplicating display policy with View::drawSelections
Chris@261 768
Chris@261 769 if (m_editingSelectionEdge < 0) {
Chris@261 770 paint.drawLine(p0, 1, p1, 1);
Chris@261 771 paint.drawLine(p0, 0, p0, height());
Chris@261 772 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@261 773 } else if (m_editingSelectionEdge > 0) {
Chris@261 774 paint.drawLine(p0, 1, p1, 1);
Chris@261 775 paint.drawLine(p1, 0, p1, height());
Chris@261 776 paint.drawLine(p0, height() - 1, p1, height() - 1);
Chris@261 777 } else {
Chris@261 778 paint.setBrush(Qt::NoBrush);
Chris@261 779 paint.drawRect(p0, 1, p1 - p0, height() - 2);
Chris@261 780 }
Chris@261 781 paint.restore();
Chris@261 782 }
Chris@127 783
Chris@261 784 void
Chris@261 785 Pane::drawDurationAndRate(QRect r, const Model *waveformModel,
Chris@261 786 int sampleRate, QPainter &paint)
Chris@261 787 {
Chris@261 788 int fontHeight = paint.fontMetrics().height();
Chris@261 789 int fontAscent = paint.fontMetrics().ascent();
Chris@127 790
Chris@261 791 if (r.y() + r.height() < height() - fontHeight - 6) return;
Chris@127 792
Chris@261 793 size_t modelRate = waveformModel->getSampleRate();
Chris@261 794 size_t playbackRate = m_manager->getPlaybackSampleRate();
Chris@261 795 size_t outputRate = m_manager->getOutputSampleRate();
Chris@261 796
Chris@261 797 QString srNote = "";
Chris@127 798
Chris@261 799 // Show (R) for waveform models that will be resampled on
Chris@261 800 // playback, and (X) for waveform models that will be played
Chris@261 801 // at the wrong rate because their rate differs from the
Chris@261 802 // current playback rate (which is not necessarily that of the
Chris@261 803 // main model).
Chris@127 804
Chris@261 805 if (playbackRate != 0) {
Chris@261 806 if (modelRate == playbackRate) {
Chris@261 807 if (modelRate != outputRate) srNote = " " + tr("(R)");
Chris@261 808 } else {
Chris@261 809 srNote = " " + tr("(X)");
Chris@261 810 }
Chris@127 811 }
Chris@127 812
Chris@261 813 QString desc = tr("%1 / %2Hz%3")
Chris@261 814 .arg(RealTime::frame2RealTime(waveformModel->getEndFrame(),
Chris@261 815 sampleRate)
Chris@261 816 .toText(false).c_str())
Chris@261 817 .arg(modelRate)
Chris@261 818 .arg(srNote);
Chris@261 819
Chris@261 820 if (r.x() < m_scaleWidth + 5 + paint.fontMetrics().width(desc)) {
Chris@261 821 drawVisibleText(paint, m_scaleWidth + 5,
Chris@261 822 height() - fontHeight + fontAscent - 6,
Chris@261 823 desc, OutlinedText);
Chris@261 824 }
Chris@127 825 }
Chris@127 826
Chris@227 827 bool
Chris@229 828 Pane::render(QPainter &paint, int xorigin, size_t f0, size_t f1)
Chris@227 829 {
Chris@229 830 if (!View::render(paint, xorigin + m_scaleWidth, f0, f1)) {
Chris@227 831 return false;
Chris@227 832 }
Chris@227 833
Chris@227 834 if (m_scaleWidth > 0) {
Chris@227 835
Chris@227 836 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@227 837 --vi;
Chris@227 838
Chris@227 839 paint.save();
Chris@227 840
Chris@287 841 paint.setPen(getForeground());
Chris@287 842 paint.setBrush(getBackground());
Chris@229 843 paint.drawRect(xorigin, -1, m_scaleWidth, height()+1);
Chris@227 844
Chris@227 845 paint.setBrush(Qt::NoBrush);
Chris@227 846 (*vi)->paintVerticalScale
Chris@229 847 (this, paint, QRect(xorigin, 0, m_scaleWidth, height()));
Chris@227 848
Chris@227 849 paint.restore();
Chris@227 850 break;
Chris@227 851 }
Chris@227 852 }
Chris@227 853
Chris@227 854 return true;
Chris@227 855 }
Chris@227 856
Chris@227 857 QImage *
Chris@229 858 Pane::toNewImage(size_t f0, size_t f1)
Chris@227 859 {
Chris@227 860 size_t x0 = f0 / getZoomLevel();
Chris@227 861 size_t x1 = f1 / getZoomLevel();
Chris@227 862
Chris@227 863 QImage *image = new QImage(x1 - x0 + m_scaleWidth,
Chris@227 864 height(), QImage::Format_RGB32);
Chris@227 865
Chris@227 866 int formerScaleWidth = m_scaleWidth;
Chris@227 867
Chris@227 868 if (m_manager && m_manager->shouldShowVerticalScale()) {
Chris@227 869 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@227 870 --vi;
Chris@227 871 QPainter paint(image);
Chris@227 872 m_scaleWidth = (*vi)->getVerticalScaleWidth(this, paint);
Chris@227 873 break;
Chris@227 874 }
Chris@227 875 } else {
Chris@227 876 m_scaleWidth = 0;
Chris@227 877 }
Chris@227 878
Chris@227 879 if (m_scaleWidth != formerScaleWidth) {
Chris@227 880 delete image;
Chris@227 881 image = new QImage(x1 - x0 + m_scaleWidth,
Chris@227 882 height(), QImage::Format_RGB32);
Chris@227 883 }
Chris@227 884
Chris@227 885 QPainter *paint = new QPainter(image);
Chris@229 886 if (!render(*paint, 0, f0, f1)) {
Chris@227 887 delete paint;
Chris@227 888 delete image;
Chris@227 889 return 0;
Chris@227 890 } else {
Chris@227 891 delete paint;
Chris@227 892 return image;
Chris@227 893 }
Chris@227 894 }
Chris@227 895
Chris@229 896 QSize
Chris@229 897 Pane::getImageSize(size_t f0, size_t f1)
Chris@229 898 {
Chris@229 899 QSize s = View::getImageSize(f0, f1);
Chris@229 900 QImage *image = new QImage(100, 100, QImage::Format_RGB32);
Chris@229 901 QPainter paint(image);
Chris@229 902
Chris@229 903 int sw = 0;
Chris@229 904 if (m_manager && m_manager->shouldShowVerticalScale()) {
Chris@229 905 for (LayerList::iterator vi = m_layers.end(); vi != m_layers.begin(); ) {
Chris@229 906 --vi;
Chris@229 907 QPainter paint(image);
Chris@229 908 sw = (*vi)->getVerticalScaleWidth(this, paint);
Chris@229 909 break;
Chris@229 910 }
Chris@229 911 }
Chris@229 912
Chris@229 913 return QSize(sw + s.width(), s.height());
Chris@229 914 }
Chris@229 915
Chris@222 916 size_t
Chris@222 917 Pane::getFirstVisibleFrame() const
Chris@222 918 {
Chris@222 919 long f0 = getFrameForX(m_scaleWidth);
Chris@222 920 size_t f = View::getFirstVisibleFrame();
Chris@222 921 if (f0 < 0 || f0 < long(f)) return f;
Chris@222 922 return f0;
Chris@222 923 }
Chris@222 924
Chris@127 925 Selection
Chris@127 926 Pane::getSelectionAt(int x, bool &closeToLeftEdge, bool &closeToRightEdge) const
Chris@127 927 {
Chris@127 928 closeToLeftEdge = closeToRightEdge = false;
Chris@127 929
Chris@127 930 if (!m_manager) return Selection();
Chris@127 931
Chris@127 932 long testFrame = getFrameForX(x - 5);
Chris@127 933 if (testFrame < 0) {
Chris@127 934 testFrame = getFrameForX(x);
Chris@127 935 if (testFrame < 0) return Selection();
Chris@127 936 }
Chris@127 937
Chris@127 938 Selection selection = m_manager->getContainingSelection(testFrame, true);
Chris@127 939 if (selection.isEmpty()) return selection;
Chris@127 940
Chris@127 941 int lx = getXForFrame(selection.getStartFrame());
Chris@127 942 int rx = getXForFrame(selection.getEndFrame());
Chris@127 943
Chris@127 944 int fuzz = 2;
Chris@127 945 if (x < lx - fuzz || x > rx + fuzz) return Selection();
Chris@127 946
Chris@127 947 int width = rx - lx;
Chris@127 948 fuzz = 3;
Chris@127 949 if (width < 12) fuzz = width / 4;
Chris@127 950 if (fuzz < 1) fuzz = 1;
Chris@127 951
Chris@127 952 if (x < lx + fuzz) closeToLeftEdge = true;
Chris@127 953 if (x > rx - fuzz) closeToRightEdge = true;
Chris@127 954
Chris@127 955 return selection;
Chris@127 956 }
Chris@127 957
Chris@174 958 bool
Chris@174 959 Pane::canTopLayerMoveVertical()
Chris@174 960 {
Chris@174 961 float vmin, vmax, dmin, dmax;
Chris@174 962 if (!getTopLayerDisplayExtents(vmin, vmax, dmin, dmax)) return false;
Chris@174 963 if (dmin <= vmin && dmax >= vmax) return false;
Chris@174 964 return true;
Chris@174 965 }
Chris@174 966
Chris@174 967 bool
Chris@174 968 Pane::getTopLayerDisplayExtents(float &vmin, float &vmax,
Chris@188 969 float &dmin, float &dmax,
Chris@188 970 QString *unit)
Chris@174 971 {
Chris@268 972 Layer *layer = getTopLayer();
Chris@174 973 if (!layer) return false;
Chris@174 974 bool vlog;
Chris@174 975 QString vunit;
Chris@188 976 bool rv = (layer->getValueExtents(vmin, vmax, vlog, vunit) &&
Chris@188 977 layer->getDisplayExtents(dmin, dmax));
Chris@188 978 if (unit) *unit = vunit;
Chris@188 979 return rv;
Chris@174 980 }
Chris@174 981
Chris@174 982 bool
Chris@174 983 Pane::setTopLayerDisplayExtents(float dmin, float dmax)
Chris@174 984 {
Chris@268 985 Layer *layer = getTopLayer();
Chris@174 986 if (!layer) return false;
Chris@174 987 return layer->setDisplayExtents(dmin, dmax);
Chris@174 988 }
Chris@174 989
Chris@127 990 void
Chris@282 991 Pane::registerShortcuts(KeyReference &kr)
Chris@282 992 {
Chris@282 993 kr.setCategory(tr("Zoom"));
Chris@282 994 kr.registerAlternativeShortcut(tr("Zoom In"), tr("Wheel Up"));
Chris@282 995 kr.registerAlternativeShortcut(tr("Zoom Out"), tr("Wheel Down"));
Chris@282 996
Chris@282 997 kr.setCategory(tr("General Pane Mouse Actions"));
Chris@282 998
Chris@282 999 kr.registerShortcut(tr("Zoom"), tr("Wheel"),
Chris@282 1000 tr("Zoom in or out in time axis"));
Chris@282 1001 kr.registerShortcut(tr("Ctrl+Wheel"), tr("Scroll"),
Chris@282 1002 tr("Scroll rapidly left or right in time axis"));
Chris@282 1003 kr.registerShortcut(tr("Zoom Vertically"), tr("Shift+Wheel"),
Chris@282 1004 tr("Zoom in or out in the vertical axis"));
Chris@282 1005 kr.registerShortcut(tr("Scroll Vertically"), tr("Alt+Wheel"),
Chris@282 1006 tr("Scroll up or down in the vertical axis"));
Chris@282 1007 kr.registerShortcut(tr("Navigate"), tr("Middle"),
Chris@282 1008 tr("Click middle button and drag to navigate with any tool"));
Chris@282 1009 kr.registerShortcut(tr("Relocate"), tr("Double-Click Middle"),
Chris@282 1010 tr("Double-click middle button to relocate with any tool"));
Chris@282 1011 kr.registerShortcut(tr("Menu"), tr("Right"),
Chris@282 1012 tr("Show pane context menu"));
Chris@282 1013
Chris@282 1014 kr.setCategory(tr("Navigate Tool Mouse Actions"));
Chris@282 1015
Chris@282 1016 kr.registerShortcut(tr("Navigate"), tr("Left"),
Chris@282 1017 tr("Click left button and drag to move around"));
Chris@282 1018 kr.registerShortcut(tr("Zoom to Area"), tr("Shift+Left"),
Chris@282 1019 tr("Shift-click left button and drag to zoom to a rectangular area"));
Chris@282 1020 kr.registerShortcut(tr("Relocate"), tr("Double-Click Left"),
Chris@282 1021 tr("Double-click left button to jump to clicked location"));
Chris@282 1022 kr.registerShortcut(tr("Edit"), tr("Double-Click Left"),
Chris@282 1023 tr("Double-click left button on an item to edit it"));
Chris@282 1024
Chris@282 1025 kr.setCategory(tr("Select Tool Mouse Actions"));
Chris@282 1026 kr.registerShortcut(tr("Select"), tr("Left"),
Chris@282 1027 tr("Click left button and drag to select region; drag region edge to resize"));
Chris@282 1028 kr.registerShortcut(tr("Multi Select"), tr("Ctrl+Left"),
Chris@282 1029 tr("Ctrl-click left button and drag to select an additional region"));
Chris@283 1030 kr.registerShortcut(tr("Fine Select"), tr("Shift+Left"),
Chris@283 1031 tr("Shift-click left button and drag to select without snapping to items or grid"));
Chris@282 1032
Chris@282 1033 kr.setCategory(tr("Edit Tool Mouse Actions"));
Chris@282 1034 kr.registerShortcut(tr("Move"), tr("Left"),
Chris@282 1035 tr("Click left button on an item or selected region and drag to move"));
Chris@282 1036 kr.registerShortcut(tr("Edit"), tr("Double-Click Left"),
Chris@282 1037 tr("Double-click left button on an item to edit it"));
Chris@282 1038
Chris@282 1039 kr.setCategory(tr("Draw Tool Mouse Actions"));
Chris@282 1040 kr.registerShortcut(tr("Draw"), tr("Left"),
Chris@282 1041 tr("Click left button and drag to create new item"));
Chris@282 1042
Chris@282 1043 kr.setCategory(tr("Measure Tool Mouse Actions"));
Chris@282 1044 kr.registerShortcut(tr("Measure Area"), tr("Left"),
Chris@282 1045 tr("Click left button and drag to measure a rectangular area"));
Chris@282 1046 kr.registerShortcut(tr("Measure Item"), tr("Double-Click Left"),
Chris@282 1047 tr("Click left button and drag to measure extents of an item or shape"));
Chris@283 1048 kr.registerShortcut(tr("Zoom to Area"), tr("Shift+Left"),
Chris@283 1049 tr("Shift-click left button and drag to zoom to a rectangular area"));
Chris@282 1050 }
Chris@282 1051
Chris@282 1052 void
Chris@127 1053 Pane::mousePressEvent(QMouseEvent *e)
Chris@127 1054 {
Chris@127 1055 if (e->buttons() & Qt::RightButton) {
Chris@189 1056 emit contextHelpChanged("");
Chris@127 1057 emit rightButtonMenuRequested(mapToGlobal(e->pos()));
Chris@127 1058 return;
Chris@127 1059 }
Chris@127 1060
Chris@127 1061 m_clickPos = e->pos();
Chris@262 1062 m_mousePos = m_clickPos;
Chris@127 1063 m_clickedInRange = true;
Chris@127 1064 m_editingSelection = Selection();
Chris@127 1065 m_editingSelectionEdge = 0;
Chris@127 1066 m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
Chris@127 1067 m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
Chris@150 1068 m_dragMode = UnresolvedDrag;
Chris@127 1069
Chris@127 1070 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@127 1071 if (m_manager) mode = m_manager->getToolMode();
Chris@127 1072
Chris@127 1073 m_navigating = false;
Chris@127 1074
Chris@283 1075 if (mode == ViewManager::NavigateMode ||
Chris@283 1076 (e->buttons() & Qt::MidButton) ||
Chris@283 1077 (mode == ViewManager::MeasureMode &&
Chris@283 1078 (e->buttons() & Qt::LeftButton) && m_shiftPressed)) {
Chris@127 1079
Chris@127 1080 if (mode != ViewManager::NavigateMode) {
Chris@127 1081 setCursor(Qt::PointingHandCursor);
Chris@127 1082 }
Chris@127 1083
Chris@127 1084 m_navigating = true;
Chris@127 1085 m_dragCentreFrame = m_centreFrame;
Chris@136 1086 m_dragStartMinValue = 0;
Chris@174 1087
Chris@174 1088 float vmin, vmax, dmin, dmax;
Chris@174 1089 if (getTopLayerDisplayExtents(vmin, vmax, dmin, dmax)) {
Chris@174 1090 m_dragStartMinValue = dmin;
Chris@136 1091 }
Chris@136 1092
Chris@127 1093 } else if (mode == ViewManager::SelectMode) {
Chris@127 1094
Chris@217 1095 if (!hasTopLayerTimeXAxis()) return;
Chris@217 1096
Chris@127 1097 bool closeToLeft = false, closeToRight = false;
Chris@127 1098 Selection selection = getSelectionAt(e->x(), closeToLeft, closeToRight);
Chris@127 1099
Chris@127 1100 if ((closeToLeft || closeToRight) && !(closeToLeft && closeToRight)) {
Chris@127 1101
Chris@127 1102 m_manager->removeSelection(selection);
Chris@127 1103
Chris@127 1104 if (closeToLeft) {
Chris@127 1105 m_selectionStartFrame = selection.getEndFrame();
Chris@127 1106 } else {
Chris@127 1107 m_selectionStartFrame = selection.getStartFrame();
Chris@127 1108 }
Chris@127 1109
Chris@127 1110 m_manager->setInProgressSelection(selection, false);
Chris@127 1111 m_resizing = true;
Chris@127 1112
Chris@127 1113 } else {
Chris@127 1114
Chris@127 1115 int mouseFrame = getFrameForX(e->x());
Chris@127 1116 size_t resolution = 1;
Chris@127 1117 int snapFrame = mouseFrame;
Chris@127 1118
Chris@127 1119 Layer *layer = getSelectedLayer();
Chris@127 1120 if (layer && !m_shiftPressed) {
Chris@127 1121 layer->snapToFeatureFrame(this, snapFrame,
Chris@127 1122 resolution, Layer::SnapLeft);
Chris@127 1123 }
Chris@127 1124
Chris@127 1125 if (snapFrame < 0) snapFrame = 0;
Chris@127 1126 m_selectionStartFrame = snapFrame;
Chris@127 1127 if (m_manager) {
Chris@127 1128 m_manager->setInProgressSelection(Selection(snapFrame,
Chris@127 1129 snapFrame + resolution),
Chris@127 1130 !m_ctrlPressed);
Chris@127 1131 }
Chris@127 1132
Chris@127 1133 m_resizing = false;
Chris@127 1134 }
Chris@127 1135
Chris@127 1136 update();
Chris@127 1137
Chris@127 1138 } else if (mode == ViewManager::DrawMode) {
Chris@127 1139
Chris@127 1140 Layer *layer = getSelectedLayer();
Chris@127 1141 if (layer && layer->isLayerEditable()) {
Chris@127 1142 layer->drawStart(this, e);
Chris@127 1143 }
Chris@127 1144
Chris@127 1145 } else if (mode == ViewManager::EditMode) {
Chris@127 1146
Chris@127 1147 if (!editSelectionStart(e)) {
Chris@127 1148 Layer *layer = getSelectedLayer();
Chris@127 1149 if (layer && layer->isLayerEditable()) {
Chris@127 1150 layer->editStart(this, e);
Chris@127 1151 }
Chris@127 1152 }
Chris@262 1153
Chris@262 1154 } else if (mode == ViewManager::MeasureMode) {
Chris@262 1155
Chris@268 1156 Layer *layer = getTopLayer();
Chris@267 1157 if (layer) layer->measureStart(this, e);
Chris@262 1158 update();
Chris@127 1159 }
Chris@127 1160
Chris@127 1161 emit paneInteractedWith();
Chris@127 1162 }
Chris@127 1163
Chris@127 1164 void
Chris@127 1165 Pane::mouseReleaseEvent(QMouseEvent *e)
Chris@127 1166 {
Chris@127 1167 if (e->buttons() & Qt::RightButton) {
Chris@127 1168 return;
Chris@127 1169 }
Chris@127 1170
Chris@127 1171 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@127 1172 if (m_manager) mode = m_manager->getToolMode();
Chris@127 1173
Chris@127 1174 if (m_clickedInRange) {
Chris@127 1175 mouseMoveEvent(e);
Chris@127 1176 }
Chris@127 1177
Chris@127 1178 if (m_navigating || mode == ViewManager::NavigateMode) {
Chris@127 1179
Chris@127 1180 m_navigating = false;
Chris@127 1181
Chris@127 1182 if (mode != ViewManager::NavigateMode) {
Chris@127 1183 // restore cursor
Chris@127 1184 toolModeChanged();
Chris@127 1185 }
Chris@127 1186
Chris@127 1187 if (m_shiftPressed) {
Chris@127 1188
Chris@127 1189 int x0 = std::min(m_clickPos.x(), m_mousePos.x());
Chris@127 1190 int x1 = std::max(m_clickPos.x(), m_mousePos.x());
Chris@127 1191
Chris@127 1192 int y0 = std::min(m_clickPos.y(), m_mousePos.y());
Chris@127 1193 int y1 = std::max(m_clickPos.y(), m_mousePos.y());
Chris@127 1194
Chris@174 1195 zoomToRegion(x0, y0, x1, y1);
Chris@127 1196 }
Chris@127 1197
Chris@127 1198 } else if (mode == ViewManager::SelectMode) {
Chris@127 1199
Chris@217 1200 if (!hasTopLayerTimeXAxis()) return;
Chris@217 1201
Chris@127 1202 if (m_manager && m_manager->haveInProgressSelection()) {
Chris@127 1203
Chris@127 1204 bool exclusive;
Chris@127 1205 Selection selection = m_manager->getInProgressSelection(exclusive);
Chris@127 1206
Chris@127 1207 if (selection.getEndFrame() < selection.getStartFrame() + 2) {
Chris@127 1208 selection = Selection();
Chris@127 1209 }
Chris@127 1210
Chris@127 1211 m_manager->clearInProgressSelection();
Chris@127 1212
Chris@127 1213 if (exclusive) {
Chris@127 1214 m_manager->setSelection(selection);
Chris@127 1215 } else {
Chris@127 1216 m_manager->addSelection(selection);
Chris@127 1217 }
Chris@127 1218 }
Chris@127 1219
Chris@127 1220 update();
Chris@127 1221
Chris@127 1222 } else if (mode == ViewManager::DrawMode) {
Chris@127 1223
Chris@127 1224 Layer *layer = getSelectedLayer();
Chris@127 1225 if (layer && layer->isLayerEditable()) {
Chris@127 1226 layer->drawEnd(this, e);
Chris@127 1227 update();
Chris@127 1228 }
Chris@127 1229
Chris@127 1230 } else if (mode == ViewManager::EditMode) {
Chris@127 1231
Chris@127 1232 if (!editSelectionEnd(e)) {
Chris@127 1233 Layer *layer = getSelectedLayer();
Chris@127 1234 if (layer && layer->isLayerEditable()) {
Chris@127 1235 layer->editEnd(this, e);
Chris@127 1236 update();
Chris@127 1237 }
Chris@127 1238 }
Chris@262 1239
Chris@262 1240 } else if (mode == ViewManager::MeasureMode) {
Chris@262 1241
Chris@268 1242 Layer *layer = getTopLayer();
Chris@267 1243 if (layer) layer->measureEnd(this, e);
Chris@267 1244 if (m_measureCursor1) setCursor(*m_measureCursor1);
Chris@267 1245 update();
Chris@127 1246 }
Chris@127 1247
Chris@127 1248 m_clickedInRange = false;
Chris@127 1249
Chris@127 1250 emit paneInteractedWith();
Chris@127 1251 }
Chris@127 1252
Chris@127 1253 void
Chris@127 1254 Pane::mouseMoveEvent(QMouseEvent *e)
Chris@127 1255 {
Chris@127 1256 if (e->buttons() & Qt::RightButton) {
Chris@127 1257 return;
Chris@127 1258 }
Chris@127 1259
Chris@189 1260 updateContextHelp(&e->pos());
Chris@189 1261
Chris@127 1262 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@127 1263 if (m_manager) mode = m_manager->getToolMode();
Chris@127 1264
Chris@127 1265 QPoint prevPoint = m_identifyPoint;
Chris@127 1266 m_identifyPoint = e->pos();
Chris@127 1267
Chris@127 1268 if (!m_clickedInRange) {
Chris@127 1269
Chris@217 1270 if (mode == ViewManager::SelectMode && hasTopLayerTimeXAxis()) {
Chris@127 1271 bool closeToLeft = false, closeToRight = false;
Chris@127 1272 getSelectionAt(e->x(), closeToLeft, closeToRight);
Chris@127 1273 if ((closeToLeft || closeToRight) && !(closeToLeft && closeToRight)) {
Chris@127 1274 setCursor(Qt::SizeHorCursor);
Chris@127 1275 } else {
Chris@127 1276 setCursor(Qt::ArrowCursor);
Chris@127 1277 }
Chris@127 1278 }
Chris@127 1279
Chris@127 1280 if (!m_manager->isPlaying()) {
Chris@127 1281
Chris@272 1282 bool updating = false;
Chris@272 1283
Chris@174 1284 if (getSelectedLayer()) {
Chris@127 1285
Chris@174 1286 bool previouslyIdentifying = m_identifyFeatures;
Chris@174 1287 m_identifyFeatures = true;
Chris@174 1288
Chris@174 1289 if (m_identifyFeatures != previouslyIdentifying ||
Chris@174 1290 m_identifyPoint != prevPoint) {
Chris@174 1291 update();
Chris@272 1292 updating = true;
Chris@272 1293 }
Chris@272 1294 }
Chris@272 1295
Chris@272 1296 if (!updating && mode == ViewManager::MeasureMode &&
Chris@272 1297 m_manager && !m_manager->isPlaying()) {
Chris@272 1298
Chris@272 1299 Layer *layer = getTopLayer();
Chris@272 1300 if (layer && layer->nearestMeasurementRectChanged
Chris@272 1301 (this, prevPoint, m_identifyPoint)) {
Chris@272 1302 update();
Chris@174 1303 }
Chris@174 1304 }
Chris@127 1305 }
Chris@127 1306
Chris@127 1307 return;
Chris@127 1308 }
Chris@127 1309
Chris@127 1310 if (m_navigating || mode == ViewManager::NavigateMode) {
Chris@127 1311
Chris@127 1312 if (m_shiftPressed) {
Chris@127 1313
Chris@127 1314 m_mousePos = e->pos();
Chris@127 1315 update();
Chris@127 1316
Chris@127 1317 } else {
Chris@127 1318
Chris@174 1319 dragTopLayer(e);
Chris@150 1320 }
Chris@127 1321
Chris@127 1322 } else if (mode == ViewManager::SelectMode) {
Chris@127 1323
Chris@217 1324 if (!hasTopLayerTimeXAxis()) return;
Chris@217 1325
Chris@174 1326 dragExtendSelection(e);
Chris@127 1327
Chris@127 1328 } else if (mode == ViewManager::DrawMode) {
Chris@127 1329
Chris@127 1330 Layer *layer = getSelectedLayer();
Chris@127 1331 if (layer && layer->isLayerEditable()) {
Chris@127 1332 layer->drawDrag(this, e);
Chris@127 1333 }
Chris@127 1334
Chris@127 1335 } else if (mode == ViewManager::EditMode) {
Chris@127 1336
Chris@127 1337 if (!editSelectionDrag(e)) {
Chris@127 1338 Layer *layer = getSelectedLayer();
Chris@127 1339 if (layer && layer->isLayerEditable()) {
Chris@127 1340 layer->editDrag(this, e);
Chris@127 1341 }
Chris@127 1342 }
Chris@259 1343
Chris@259 1344 } else if (mode == ViewManager::MeasureMode) {
Chris@259 1345
Chris@267 1346 if (m_measureCursor2) setCursor(*m_measureCursor2);
Chris@266 1347
Chris@268 1348 Layer *layer = getTopLayer();
Chris@290 1349 if (layer) {
Chris@290 1350 layer->measureDrag(this, e);
Chris@290 1351 if (layer->hasTimeXAxis()) edgeScrollMaybe(e->x());
Chris@290 1352 }
Chris@267 1353
Chris@267 1354 update();
Chris@127 1355 }
Chris@127 1356 }
Chris@127 1357
Chris@127 1358 void
Chris@174 1359 Pane::zoomToRegion(int x0, int y0, int x1, int y1)
Chris@174 1360 {
Chris@174 1361 int w = x1 - x0;
Chris@174 1362
Chris@174 1363 long newStartFrame = getFrameForX(x0);
Chris@174 1364
Chris@174 1365 long visibleFrames = getEndFrame() - getStartFrame();
Chris@174 1366 if (newStartFrame <= -visibleFrames) {
Chris@174 1367 newStartFrame = -visibleFrames + 1;
Chris@174 1368 }
Chris@174 1369
Chris@174 1370 if (newStartFrame >= long(getModelsEndFrame())) {
Chris@174 1371 newStartFrame = getModelsEndFrame() - 1;
Chris@174 1372 }
Chris@174 1373
Chris@174 1374 float ratio = float(w) / float(width());
Chris@174 1375 // std::cerr << "ratio: " << ratio << std::endl;
Chris@174 1376 size_t newZoomLevel = (size_t)nearbyint(m_zoomLevel * ratio);
Chris@174 1377 if (newZoomLevel < 1) newZoomLevel = 1;
Chris@174 1378
Chris@174 1379 // std::cerr << "start: " << m_startFrame << ", level " << m_zoomLevel << std::endl;
Chris@174 1380 setZoomLevel(getZoomConstraintBlockSize(newZoomLevel));
Chris@174 1381 setStartFrame(newStartFrame);
Chris@174 1382
Chris@174 1383 QString unit;
Chris@174 1384 float min, max;
Chris@174 1385 bool log;
Chris@174 1386 Layer *layer = 0;
Chris@174 1387 for (LayerList::const_iterator i = m_layers.begin();
Chris@174 1388 i != m_layers.end(); ++i) {
Chris@174 1389 if ((*i)->getValueExtents(min, max, log, unit) &&
Chris@174 1390 (*i)->getDisplayExtents(min, max)) {
Chris@174 1391 layer = *i;
Chris@174 1392 break;
Chris@174 1393 }
Chris@174 1394 }
Chris@174 1395
Chris@174 1396 if (layer) {
Chris@174 1397 if (log) {
Chris@174 1398 min = (min < 0.0) ? -log10f(-min) : (min == 0.0) ? 0.0 : log10f(min);
Chris@174 1399 max = (max < 0.0) ? -log10f(-max) : (max == 0.0) ? 0.0 : log10f(max);
Chris@174 1400 }
Chris@174 1401 float rmin = min + ((max - min) * (height() - y1)) / height();
Chris@174 1402 float rmax = min + ((max - min) * (height() - y0)) / height();
Chris@174 1403 std::cerr << "min: " << min << ", max: " << max << ", y0: " << y0 << ", y1: " << y1 << ", h: " << height() << ", rmin: " << rmin << ", rmax: " << rmax << std::endl;
Chris@174 1404 if (log) {
Chris@174 1405 rmin = powf(10, rmin);
Chris@174 1406 rmax = powf(10, rmax);
Chris@174 1407 }
Chris@174 1408 std::cerr << "finally: rmin: " << rmin << ", rmax: " << rmax << " " << unit.toStdString() << std::endl;
Chris@174 1409
Chris@174 1410 layer->setDisplayExtents(rmin, rmax);
Chris@174 1411 updateVerticalPanner();
Chris@174 1412 }
Chris@174 1413 }
Chris@174 1414
Chris@174 1415 void
Chris@174 1416 Pane::dragTopLayer(QMouseEvent *e)
Chris@174 1417 {
Chris@174 1418 // We need to avoid making it too easy to drag both
Chris@174 1419 // horizontally and vertically, in the case where the
Chris@174 1420 // mouse is moved "mostly" in horizontal or vertical axis
Chris@174 1421 // with only a small variation in the other axis. This is
Chris@174 1422 // particularly important during playback (when we want to
Chris@174 1423 // avoid small horizontal motions) or in slow refresh
Chris@174 1424 // layers like spectrogram (when we want to avoid small
Chris@174 1425 // vertical motions).
Chris@174 1426 //
Chris@174 1427 // To this end we have horizontal and vertical thresholds
Chris@174 1428 // and a series of states: unresolved, horizontally or
Chris@174 1429 // vertically constrained, free.
Chris@174 1430 //
Chris@174 1431 // When the mouse first moves, we're unresolved: we
Chris@174 1432 // restrict ourselves to whichever direction seems safest,
Chris@174 1433 // until the mouse has passed a small threshold distance
Chris@174 1434 // from the click point. Then we lock in to one of the
Chris@174 1435 // constrained modes, based on which axis that distance
Chris@174 1436 // was measured in first. Finally, if it turns out we've
Chris@174 1437 // also moved more than a certain larger distance in the
Chris@174 1438 // other direction as well, we may switch into free mode.
Chris@174 1439 //
Chris@174 1440 // If the top layer is incapable of being dragged
Chris@174 1441 // vertically, the logic is short circuited.
Chris@174 1442
Chris@174 1443 int xdiff = e->x() - m_clickPos.x();
Chris@174 1444 int ydiff = e->y() - m_clickPos.y();
Chris@174 1445 int smallThreshold = 10, bigThreshold = 50;
Chris@174 1446
Chris@174 1447 bool canMoveVertical = canTopLayerMoveVertical();
Chris@174 1448 bool canMoveHorizontal = true;
Chris@174 1449
Chris@174 1450 if (!canMoveHorizontal) {
Chris@174 1451 m_dragMode = HorizontalDrag;
Chris@174 1452 }
Chris@174 1453
Chris@174 1454 if (m_dragMode == UnresolvedDrag) {
Chris@174 1455
Chris@174 1456 if (abs(ydiff) > smallThreshold &&
Chris@174 1457 abs(ydiff) > abs(xdiff) * 2) {
Chris@174 1458 m_dragMode = VerticalDrag;
Chris@174 1459 } else if (abs(xdiff) > smallThreshold &&
Chris@174 1460 abs(xdiff) > abs(ydiff) * 2) {
Chris@174 1461 m_dragMode = HorizontalDrag;
Chris@174 1462 } else if (abs(xdiff) > smallThreshold &&
Chris@174 1463 abs(ydiff) > smallThreshold) {
Chris@174 1464 m_dragMode = FreeDrag;
Chris@174 1465 } else {
Chris@174 1466 // When playing, we don't want to disturb the play
Chris@174 1467 // position too easily; when not playing, we don't
Chris@174 1468 // want to move up/down too easily
Chris@174 1469 if (m_manager && m_manager->isPlaying()) {
Chris@174 1470 canMoveHorizontal = false;
Chris@174 1471 } else {
Chris@174 1472 canMoveVertical = false;
Chris@174 1473 }
Chris@174 1474 }
Chris@174 1475 }
Chris@174 1476
Chris@174 1477 if (m_dragMode == VerticalDrag) {
Chris@174 1478 if (abs(xdiff) > bigThreshold) m_dragMode = FreeDrag;
Chris@174 1479 else canMoveHorizontal = false;
Chris@174 1480 }
Chris@174 1481
Chris@174 1482 if (m_dragMode == HorizontalDrag && canMoveVertical) {
Chris@174 1483 if (abs(ydiff) > bigThreshold) m_dragMode = FreeDrag;
Chris@174 1484 else canMoveVertical = false;
Chris@174 1485 }
Chris@174 1486
Chris@174 1487 if (canMoveHorizontal) {
Chris@174 1488
Chris@174 1489 long frameOff = getFrameForX(e->x()) - getFrameForX(m_clickPos.x());
Chris@174 1490
Chris@174 1491 size_t newCentreFrame = m_dragCentreFrame;
Chris@174 1492
Chris@174 1493 if (frameOff < 0) {
Chris@174 1494 newCentreFrame -= frameOff;
Chris@174 1495 } else if (newCentreFrame >= size_t(frameOff)) {
Chris@174 1496 newCentreFrame -= frameOff;
Chris@174 1497 } else {
Chris@174 1498 newCentreFrame = 0;
Chris@174 1499 }
Chris@174 1500
Chris@174 1501 if (newCentreFrame >= getModelsEndFrame()) {
Chris@174 1502 newCentreFrame = getModelsEndFrame();
Chris@174 1503 if (newCentreFrame > 0) --newCentreFrame;
Chris@174 1504 }
Chris@174 1505
Chris@174 1506 if (getXForFrame(m_centreFrame) != getXForFrame(newCentreFrame)) {
Chris@174 1507 setCentreFrame(newCentreFrame);
Chris@174 1508 }
Chris@174 1509 }
Chris@174 1510
Chris@174 1511 if (canMoveVertical) {
Chris@174 1512
Chris@174 1513 float vmin = 0.f, vmax = 0.f;
Chris@174 1514 float dmin = 0.f, dmax = 0.f;
Chris@174 1515
Chris@174 1516 if (getTopLayerDisplayExtents(vmin, vmax, dmin, dmax)) {
Chris@174 1517
Chris@248 1518 // std::cerr << "ydiff = " << ydiff << std::endl;
Chris@174 1519
Chris@174 1520 float perpix = (dmax - dmin) / height();
Chris@174 1521 float valdiff = ydiff * perpix;
Chris@248 1522 // std::cerr << "valdiff = " << valdiff << std::endl;
Chris@174 1523
Chris@174 1524 float newmin = m_dragStartMinValue + valdiff;
Chris@174 1525 float newmax = m_dragStartMinValue + (dmax - dmin) + valdiff;
Chris@174 1526 if (newmin < vmin) {
Chris@174 1527 newmax += vmin - newmin;
Chris@174 1528 newmin += vmin - newmin;
Chris@174 1529 }
Chris@174 1530 if (newmax > vmax) {
Chris@174 1531 newmin -= newmax - vmax;
Chris@174 1532 newmax -= newmax - vmax;
Chris@174 1533 }
Chris@248 1534 // std::cerr << "(" << dmin << ", " << dmax << ") -> ("
Chris@248 1535 // << newmin << ", " << newmax << ") (drag start " << m_dragStartMinValue << ")" << std::endl;
Chris@174 1536
Chris@174 1537 setTopLayerDisplayExtents(newmin, newmax);
Chris@174 1538 updateVerticalPanner();
Chris@174 1539 }
Chris@174 1540 }
Chris@174 1541 }
Chris@174 1542
Chris@174 1543 void
Chris@174 1544 Pane::dragExtendSelection(QMouseEvent *e)
Chris@174 1545 {
Chris@174 1546 int mouseFrame = getFrameForX(e->x());
Chris@174 1547 size_t resolution = 1;
Chris@174 1548 int snapFrameLeft = mouseFrame;
Chris@174 1549 int snapFrameRight = mouseFrame;
Chris@174 1550
Chris@174 1551 Layer *layer = getSelectedLayer();
Chris@174 1552 if (layer && !m_shiftPressed) {
Chris@174 1553 layer->snapToFeatureFrame(this, snapFrameLeft,
Chris@174 1554 resolution, Layer::SnapLeft);
Chris@174 1555 layer->snapToFeatureFrame(this, snapFrameRight,
Chris@174 1556 resolution, Layer::SnapRight);
Chris@174 1557 }
Chris@174 1558
Chris@174 1559 // std::cerr << "snap: frame = " << mouseFrame << ", start frame = " << m_selectionStartFrame << ", left = " << snapFrameLeft << ", right = " << snapFrameRight << std::endl;
Chris@174 1560
Chris@174 1561 if (snapFrameLeft < 0) snapFrameLeft = 0;
Chris@174 1562 if (snapFrameRight < 0) snapFrameRight = 0;
Chris@174 1563
Chris@174 1564 size_t min, max;
Chris@174 1565
Chris@248 1566 if (m_selectionStartFrame > size_t(snapFrameLeft)) {
Chris@174 1567 min = snapFrameLeft;
Chris@174 1568 max = m_selectionStartFrame;
Chris@248 1569 } else if (size_t(snapFrameRight) > m_selectionStartFrame) {
Chris@174 1570 min = m_selectionStartFrame;
Chris@174 1571 max = snapFrameRight;
Chris@174 1572 } else {
Chris@174 1573 min = snapFrameLeft;
Chris@174 1574 max = snapFrameRight;
Chris@174 1575 }
Chris@174 1576
Chris@174 1577 if (m_manager) {
Chris@174 1578 m_manager->setInProgressSelection(Selection(min, max),
Chris@174 1579 !m_resizing && !m_ctrlPressed);
Chris@174 1580 }
Chris@174 1581
Chris@259 1582 edgeScrollMaybe(e->x());
Chris@259 1583
Chris@259 1584 update();
Chris@259 1585 }
Chris@259 1586
Chris@259 1587 void
Chris@259 1588 Pane::edgeScrollMaybe(int x)
Chris@259 1589 {
Chris@259 1590 int mouseFrame = getFrameForX(x);
Chris@259 1591
Chris@174 1592 bool doScroll = false;
Chris@174 1593 if (!m_manager) doScroll = true;
Chris@174 1594 if (!m_manager->isPlaying()) doScroll = true;
Chris@174 1595 if (m_followPlay != PlaybackScrollContinuous) doScroll = true;
Chris@174 1596
Chris@174 1597 if (doScroll) {
Chris@174 1598 int offset = mouseFrame - getStartFrame();
Chris@174 1599 int available = getEndFrame() - getStartFrame();
Chris@259 1600 int move = 0;
Chris@174 1601 if (offset >= available * 0.95) {
Chris@259 1602 move = int(offset - available * 0.95) + 1;
Chris@259 1603 } else if (offset <= available * 0.10) {
Chris@259 1604 move = int(available * 0.10 - offset) + 1;
Chris@259 1605 move = -move;
Chris@259 1606 }
Chris@259 1607 if (move != 0) {
Chris@174 1608 setCentreFrame(m_centreFrame + move);
Chris@259 1609 update();
Chris@174 1610 }
Chris@174 1611 }
Chris@174 1612 }
Chris@174 1613
Chris@174 1614 void
Chris@127 1615 Pane::mouseDoubleClickEvent(QMouseEvent *e)
Chris@127 1616 {
Chris@127 1617 if (e->buttons() & Qt::RightButton) {
Chris@127 1618 return;
Chris@127 1619 }
Chris@127 1620
Chris@127 1621 // std::cerr << "mouseDoubleClickEvent" << std::endl;
Chris@127 1622
Chris@127 1623 m_clickPos = e->pos();
Chris@127 1624 m_clickedInRange = true;
Chris@127 1625 m_shiftPressed = (e->modifiers() & Qt::ShiftModifier);
Chris@127 1626 m_ctrlPressed = (e->modifiers() & Qt::ControlModifier);
Chris@127 1627
Chris@127 1628 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@127 1629 if (m_manager) mode = m_manager->getToolMode();
Chris@127 1630
Chris@255 1631 bool relocate = (mode == ViewManager::NavigateMode ||
Chris@255 1632 (e->buttons() & Qt::MidButton));
Chris@255 1633
Chris@127 1634 if (mode == ViewManager::NavigateMode ||
Chris@127 1635 mode == ViewManager::EditMode) {
Chris@127 1636
Chris@127 1637 Layer *layer = getSelectedLayer();
Chris@127 1638 if (layer && layer->isLayerEditable()) {
Chris@255 1639 if (layer->editOpen(this, e)) relocate = false;
Chris@127 1640 }
Chris@280 1641
Chris@280 1642 } else if (mode == ViewManager::MeasureMode) {
Chris@280 1643
Chris@280 1644 Layer *layer = getTopLayer();
Chris@280 1645 if (layer) layer->measureDoubleClick(this, e);
Chris@280 1646 update();
Chris@127 1647 }
Chris@255 1648
Chris@255 1649 if (relocate) {
Chris@255 1650
Chris@255 1651 long f = getFrameForX(e->x());
Chris@255 1652
Chris@255 1653 setCentreFrame(f);
Chris@255 1654
Chris@255 1655 m_dragCentreFrame = f;
Chris@255 1656 m_dragStartMinValue = 0;
Chris@255 1657 m_dragMode = UnresolvedDrag;
Chris@255 1658
Chris@255 1659 float vmin, vmax, dmin, dmax;
Chris@255 1660 if (getTopLayerDisplayExtents(vmin, vmax, dmin, dmax)) {
Chris@255 1661 m_dragStartMinValue = dmin;
Chris@255 1662 }
Chris@255 1663 }
Chris@127 1664 }
Chris@127 1665
Chris@127 1666 void
Chris@290 1667 Pane::enterEvent(QEvent *)
Chris@290 1668 {
Chris@290 1669 m_mouseInWidget = true;
Chris@290 1670 }
Chris@290 1671
Chris@290 1672 void
Chris@127 1673 Pane::leaveEvent(QEvent *)
Chris@127 1674 {
Chris@290 1675 m_mouseInWidget = false;
Chris@127 1676 bool previouslyIdentifying = m_identifyFeatures;
Chris@127 1677 m_identifyFeatures = false;
Chris@127 1678 if (previouslyIdentifying) update();
Chris@189 1679 emit contextHelpChanged("");
Chris@127 1680 }
Chris@127 1681
Chris@127 1682 void
Chris@133 1683 Pane::resizeEvent(QResizeEvent *)
Chris@133 1684 {
Chris@133 1685 updateHeadsUpDisplay();
Chris@133 1686 }
Chris@133 1687
Chris@133 1688 void
Chris@127 1689 Pane::wheelEvent(QWheelEvent *e)
Chris@127 1690 {
Chris@127 1691 //std::cerr << "wheelEvent, delta " << e->delta() << std::endl;
Chris@127 1692
Chris@127 1693 int count = e->delta();
Chris@127 1694
Chris@127 1695 if (count > 0) {
Chris@127 1696 if (count >= 120) count /= 120;
Chris@127 1697 else count = 1;
Chris@127 1698 }
Chris@127 1699
Chris@127 1700 if (count < 0) {
Chris@127 1701 if (count <= -120) count /= 120;
Chris@127 1702 else count = -1;
Chris@127 1703 }
Chris@127 1704
Chris@127 1705 if (e->modifiers() & Qt::ControlModifier) {
Chris@127 1706
Chris@127 1707 // Scroll left or right, rapidly
Chris@127 1708
Chris@127 1709 if (getStartFrame() < 0 &&
Chris@127 1710 getEndFrame() >= getModelsEndFrame()) return;
Chris@127 1711
Chris@127 1712 long delta = ((width() / 2) * count * m_zoomLevel);
Chris@127 1713
Chris@127 1714 if (int(m_centreFrame) < delta) {
Chris@127 1715 setCentreFrame(0);
Chris@127 1716 } else if (int(m_centreFrame) - delta >= int(getModelsEndFrame())) {
Chris@127 1717 setCentreFrame(getModelsEndFrame());
Chris@127 1718 } else {
Chris@127 1719 setCentreFrame(m_centreFrame - delta);
Chris@127 1720 }
Chris@127 1721
Chris@256 1722 } else if (e->modifiers() & Qt::ShiftModifier) {
Chris@256 1723
Chris@256 1724 // Zoom vertically
Chris@256 1725
Chris@256 1726 if (m_vpan) {
Chris@256 1727 m_vpan->scroll(e->delta() > 0);
Chris@256 1728 }
Chris@256 1729
Chris@256 1730 } else if (e->modifiers() & Qt::AltModifier) {
Chris@256 1731
Chris@256 1732 // Zoom vertically
Chris@256 1733
Chris@256 1734 if (m_vthumb) {
Chris@256 1735 m_vthumb->scroll(e->delta() > 0);
Chris@256 1736 }
Chris@256 1737
Chris@127 1738 } else {
Chris@127 1739
Chris@127 1740 // Zoom in or out
Chris@127 1741
Chris@127 1742 int newZoomLevel = m_zoomLevel;
Chris@127 1743
Chris@127 1744 while (count > 0) {
Chris@127 1745 if (newZoomLevel <= 2) {
Chris@127 1746 newZoomLevel = 1;
Chris@127 1747 break;
Chris@127 1748 }
Chris@127 1749 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel - 1,
Chris@127 1750 ZoomConstraint::RoundDown);
Chris@127 1751 --count;
Chris@127 1752 }
Chris@127 1753
Chris@127 1754 while (count < 0) {
Chris@127 1755 newZoomLevel = getZoomConstraintBlockSize(newZoomLevel + 1,
Chris@127 1756 ZoomConstraint::RoundUp);
Chris@127 1757 ++count;
Chris@127 1758 }
Chris@127 1759
Chris@127 1760 if (newZoomLevel != m_zoomLevel) {
Chris@127 1761 setZoomLevel(newZoomLevel);
Chris@127 1762 }
Chris@127 1763 }
Chris@127 1764
Chris@127 1765 emit paneInteractedWith();
Chris@127 1766 }
Chris@127 1767
Chris@132 1768 void
Chris@132 1769 Pane::horizontalThumbwheelMoved(int value)
Chris@132 1770 {
Chris@137 1771 //!!! dupe with updateHeadsUpDisplay
Chris@137 1772
Chris@132 1773 int count = 0;
Chris@132 1774 int level = 1;
Chris@137 1775
Chris@137 1776
Chris@137 1777 //!!! pull out into function (presumably in View)
Chris@137 1778 bool haveConstraint = false;
Chris@137 1779 for (LayerList::const_iterator i = m_layers.begin(); i != m_layers.end();
Chris@137 1780 ++i) {
Chris@137 1781 if ((*i)->getZoomConstraint() && !(*i)->supportsOtherZoomLevels()) {
Chris@137 1782 haveConstraint = true;
Chris@137 1783 break;
Chris@137 1784 }
Chris@132 1785 }
Chris@132 1786
Chris@137 1787 if (haveConstraint) {
Chris@137 1788 while (true) {
Chris@137 1789 if (m_hthumb->getMaximumValue() - value == count) break;
Chris@137 1790 int newLevel = getZoomConstraintBlockSize(level + 1,
Chris@137 1791 ZoomConstraint::RoundUp);
Chris@137 1792 if (newLevel == level) break;
Chris@137 1793 level = newLevel;
Chris@137 1794 if (++count == 50) break;
Chris@137 1795 }
Chris@137 1796 } else {
Chris@137 1797 while (true) {
Chris@137 1798 if (m_hthumb->getMaximumValue() - value == count) break;
Chris@137 1799 int step = level / 10;
Chris@137 1800 int pwr = 0;
Chris@137 1801 while (step > 0) {
Chris@137 1802 ++pwr;
Chris@137 1803 step /= 2;
Chris@137 1804 }
Chris@137 1805 step = 1;
Chris@137 1806 while (pwr > 0) {
Chris@137 1807 step *= 2;
Chris@137 1808 --pwr;
Chris@137 1809 }
Chris@137 1810 // std::cerr << level << std::endl;
Chris@137 1811 level += step;
Chris@137 1812 if (++count == 100 || level > 262144) break;
Chris@137 1813 }
Chris@137 1814 }
Chris@137 1815
Chris@244 1816 // std::cerr << "new level is " << level << std::endl;
Chris@132 1817 setZoomLevel(level);
Chris@132 1818 }
Chris@132 1819
Chris@132 1820 void
Chris@132 1821 Pane::verticalThumbwheelMoved(int value)
Chris@132 1822 {
Chris@133 1823 Layer *layer = 0;
Chris@133 1824 if (getLayerCount() > 0) layer = getLayer(getLayerCount() - 1);
Chris@133 1825 if (layer) {
Chris@133 1826 int defaultStep = 0;
Chris@133 1827 int max = layer->getVerticalZoomSteps(defaultStep);
Chris@133 1828 if (max == 0) {
Chris@133 1829 updateHeadsUpDisplay();
Chris@133 1830 return;
Chris@133 1831 }
Chris@133 1832 if (value > max) {
Chris@133 1833 value = max;
Chris@133 1834 }
Chris@133 1835 layer->setVerticalZoomStep(value);
Chris@174 1836 updateVerticalPanner();
Chris@133 1837 }
Chris@132 1838 }
Chris@132 1839
Chris@174 1840 void
Chris@174 1841 Pane::verticalPannerMoved(float x0, float y0, float w, float h)
Chris@174 1842 {
Chris@174 1843 float vmin, vmax, dmin, dmax;
Chris@174 1844 if (!getTopLayerDisplayExtents(vmin, vmax, dmin, dmax)) return;
Chris@174 1845 float y1 = y0 + h;
Chris@174 1846 float newmax = vmin + ((1.0 - y0) * (vmax - vmin));
Chris@174 1847 float newmin = vmin + ((1.0 - y1) * (vmax - vmin));
Chris@174 1848 std::cerr << "verticalPannerMoved: (" << x0 << "," << y0 << "," << w
Chris@174 1849 << "," << h << ") -> (" << newmin << "," << newmax << ")" << std::endl;
Chris@174 1850 setTopLayerDisplayExtents(newmin, newmax);
Chris@174 1851 }
Chris@174 1852
Chris@188 1853 void
Chris@188 1854 Pane::editVerticalPannerExtents()
Chris@188 1855 {
Chris@188 1856 if (!m_vpan || !m_manager || !m_manager->getZoomWheelsEnabled()) return;
Chris@188 1857
Chris@188 1858 float vmin, vmax, dmin, dmax;
Chris@188 1859 QString unit;
Chris@188 1860 if (!getTopLayerDisplayExtents(vmin, vmax, dmin, dmax, &unit)
Chris@188 1861 || vmax == vmin) {
Chris@188 1862 return;
Chris@188 1863 }
Chris@188 1864
Chris@188 1865 RangeInputDialog dialog(tr("Enter new range"),
Chris@188 1866 tr("New vertical display range, from %1 to %2 %4:")
Chris@188 1867 .arg(vmin).arg(vmax).arg(unit),
Chris@188 1868 unit, vmin, vmax, this);
Chris@188 1869 dialog.setRange(dmin, dmax);
Chris@188 1870
Chris@188 1871 if (dialog.exec() == QDialog::Accepted) {
Chris@188 1872 dialog.getRange(dmin, dmax);
Chris@188 1873 setTopLayerDisplayExtents(dmin, dmax);
Chris@188 1874 updateVerticalPanner();
Chris@188 1875 }
Chris@188 1876 }
Chris@188 1877
Chris@127 1878 bool
Chris@127 1879 Pane::editSelectionStart(QMouseEvent *e)
Chris@127 1880 {
Chris@127 1881 if (!m_identifyFeatures ||
Chris@127 1882 !m_manager ||
Chris@127 1883 m_manager->getToolMode() != ViewManager::EditMode) {
Chris@127 1884 return false;
Chris@127 1885 }
Chris@127 1886
Chris@127 1887 bool closeToLeft, closeToRight;
Chris@127 1888 Selection s(getSelectionAt(e->x(), closeToLeft, closeToRight));
Chris@127 1889 if (s.isEmpty()) return false;
Chris@127 1890 m_editingSelection = s;
Chris@127 1891 m_editingSelectionEdge = (closeToLeft ? -1 : closeToRight ? 1 : 0);
Chris@127 1892 m_mousePos = e->pos();
Chris@127 1893 return true;
Chris@127 1894 }
Chris@127 1895
Chris@127 1896 bool
Chris@127 1897 Pane::editSelectionDrag(QMouseEvent *e)
Chris@127 1898 {
Chris@127 1899 if (m_editingSelection.isEmpty()) return false;
Chris@127 1900 m_mousePos = e->pos();
Chris@127 1901 update();
Chris@127 1902 return true;
Chris@127 1903 }
Chris@127 1904
Chris@127 1905 bool
Chris@248 1906 Pane::editSelectionEnd(QMouseEvent *)
Chris@127 1907 {
Chris@127 1908 if (m_editingSelection.isEmpty()) return false;
Chris@127 1909
Chris@127 1910 int offset = m_mousePos.x() - m_clickPos.x();
Chris@127 1911 Layer *layer = getSelectedLayer();
Chris@127 1912
Chris@127 1913 if (offset == 0 || !layer) {
Chris@127 1914 m_editingSelection = Selection();
Chris@127 1915 return true;
Chris@127 1916 }
Chris@127 1917
Chris@127 1918 int p0 = getXForFrame(m_editingSelection.getStartFrame()) + offset;
Chris@127 1919 int p1 = getXForFrame(m_editingSelection.getEndFrame()) + offset;
Chris@127 1920
Chris@127 1921 long f0 = getFrameForX(p0);
Chris@127 1922 long f1 = getFrameForX(p1);
Chris@127 1923
Chris@127 1924 Selection newSelection(f0, f1);
Chris@127 1925
Chris@127 1926 if (m_editingSelectionEdge == 0) {
Chris@127 1927
Chris@127 1928 CommandHistory::getInstance()->startCompoundOperation
Chris@127 1929 (tr("Drag Selection"), true);
Chris@127 1930
Chris@127 1931 layer->moveSelection(m_editingSelection, f0);
Chris@127 1932
Chris@127 1933 } else {
Chris@127 1934
Chris@127 1935 CommandHistory::getInstance()->startCompoundOperation
Chris@127 1936 (tr("Resize Selection"), true);
Chris@127 1937
Chris@127 1938 if (m_editingSelectionEdge < 0) {
Chris@127 1939 f1 = m_editingSelection.getEndFrame();
Chris@127 1940 } else {
Chris@127 1941 f0 = m_editingSelection.getStartFrame();
Chris@127 1942 }
Chris@127 1943
Chris@127 1944 newSelection = Selection(f0, f1);
Chris@127 1945 layer->resizeSelection(m_editingSelection, newSelection);
Chris@127 1946 }
Chris@127 1947
Chris@127 1948 m_manager->removeSelection(m_editingSelection);
Chris@127 1949 m_manager->addSelection(newSelection);
Chris@127 1950
Chris@127 1951 CommandHistory::getInstance()->endCompoundOperation();
Chris@127 1952
Chris@127 1953 m_editingSelection = Selection();
Chris@127 1954 return true;
Chris@127 1955 }
Chris@127 1956
Chris@127 1957 void
Chris@127 1958 Pane::toolModeChanged()
Chris@127 1959 {
Chris@127 1960 ViewManager::ToolMode mode = m_manager->getToolMode();
Chris@127 1961 // std::cerr << "Pane::toolModeChanged(" << mode << ")" << std::endl;
Chris@127 1962
Chris@267 1963 if (mode == ViewManager::MeasureMode && !m_measureCursor1) {
Chris@267 1964 m_measureCursor1 = new QCursor(QBitmap(":/icons/measure1cursor.xbm"),
Chris@267 1965 QBitmap(":/icons/measure1mask.xbm"),
Chris@267 1966 15, 14);
Chris@267 1967 m_measureCursor2 = new QCursor(QBitmap(":/icons/measure2cursor.xbm"),
Chris@267 1968 QBitmap(":/icons/measure2mask.xbm"),
Chris@267 1969 16, 17);
Chris@257 1970 }
Chris@257 1971
Chris@127 1972 switch (mode) {
Chris@127 1973
Chris@127 1974 case ViewManager::NavigateMode:
Chris@127 1975 setCursor(Qt::PointingHandCursor);
Chris@127 1976 break;
Chris@127 1977
Chris@127 1978 case ViewManager::SelectMode:
Chris@127 1979 setCursor(Qt::ArrowCursor);
Chris@127 1980 break;
Chris@127 1981
Chris@127 1982 case ViewManager::EditMode:
Chris@127 1983 setCursor(Qt::UpArrowCursor);
Chris@127 1984 break;
Chris@127 1985
Chris@127 1986 case ViewManager::DrawMode:
Chris@127 1987 setCursor(Qt::CrossCursor);
Chris@127 1988 break;
Chris@257 1989
Chris@257 1990 case ViewManager::MeasureMode:
Chris@267 1991 if (m_measureCursor1) setCursor(*m_measureCursor1);
Chris@257 1992 break;
Chris@257 1993
Chris@127 1994 /*
Chris@127 1995 case ViewManager::TextMode:
Chris@127 1996 setCursor(Qt::IBeamCursor);
Chris@127 1997 break;
Chris@127 1998 */
Chris@127 1999 }
Chris@127 2000 }
Chris@127 2001
Chris@133 2002 void
Chris@133 2003 Pane::zoomWheelsEnabledChanged()
Chris@133 2004 {
Chris@133 2005 updateHeadsUpDisplay();
Chris@133 2006 update();
Chris@133 2007 }
Chris@133 2008
Chris@133 2009 void
Chris@224 2010 Pane::viewZoomLevelChanged(View *v, unsigned long z, bool locked)
Chris@133 2011 {
Chris@212 2012 // std::cerr << "Pane[" << this << "]::zoomLevelChanged (global now "
Chris@212 2013 // << (m_manager ? m_manager->getGlobalZoom() : 0) << ")" << std::endl;
Chris@192 2014
Chris@224 2015 View::viewZoomLevelChanged(v, z, locked);
Chris@224 2016
Chris@232 2017 if (m_hthumb && !m_hthumb->isVisible()) return;
Chris@224 2018
Chris@222 2019 if (v != this) {
Chris@222 2020 if (!locked || !m_followZoom) return;
Chris@222 2021 }
Chris@222 2022
Chris@133 2023 if (m_manager && m_manager->getZoomWheelsEnabled()) {
Chris@133 2024 updateHeadsUpDisplay();
Chris@133 2025 }
Chris@133 2026 }
Chris@133 2027
Chris@133 2028 void
Chris@133 2029 Pane::propertyContainerSelected(View *v, PropertyContainer *pc)
Chris@133 2030 {
Chris@133 2031 Layer *layer = 0;
Chris@133 2032
Chris@133 2033 if (getLayerCount() > 0) {
Chris@133 2034 layer = getLayer(getLayerCount() - 1);
Chris@133 2035 disconnect(layer, SIGNAL(verticalZoomChanged()),
Chris@133 2036 this, SLOT(verticalZoomChanged()));
Chris@133 2037 }
Chris@133 2038
Chris@133 2039 View::propertyContainerSelected(v, pc);
Chris@133 2040 updateHeadsUpDisplay();
Chris@133 2041
Chris@187 2042 if (m_vthumb) {
Chris@187 2043 RangeMapper *rm = 0;
Chris@187 2044 if (layer) rm = layer->getNewVerticalZoomRangeMapper();
Chris@187 2045 if (rm) m_vthumb->setRangeMapper(rm);
Chris@187 2046 }
Chris@187 2047
Chris@133 2048 if (getLayerCount() > 0) {
Chris@133 2049 layer = getLayer(getLayerCount() - 1);
Chris@133 2050 connect(layer, SIGNAL(verticalZoomChanged()),
Chris@133 2051 this, SLOT(verticalZoomChanged()));
Chris@133 2052 }
Chris@133 2053 }
Chris@133 2054
Chris@133 2055 void
Chris@133 2056 Pane::verticalZoomChanged()
Chris@133 2057 {
Chris@133 2058 Layer *layer = 0;
Chris@133 2059
Chris@133 2060 if (getLayerCount() > 0) {
Chris@133 2061
Chris@133 2062 layer = getLayer(getLayerCount() - 1);
Chris@133 2063
Chris@133 2064 if (m_vthumb && m_vthumb->isVisible()) {
Chris@133 2065 m_vthumb->setValue(layer->getCurrentVerticalZoomStep());
Chris@133 2066 }
Chris@133 2067 }
Chris@133 2068 }
Chris@133 2069
Chris@189 2070 void
Chris@189 2071 Pane::updateContextHelp(const QPoint *pos)
Chris@189 2072 {
Chris@189 2073 QString help = "";
Chris@189 2074
Chris@189 2075 if (m_clickedInRange) {
Chris@189 2076 emit contextHelpChanged("");
Chris@189 2077 return;
Chris@189 2078 }
Chris@189 2079
Chris@189 2080 ViewManager::ToolMode mode = ViewManager::NavigateMode;
Chris@189 2081 if (m_manager) mode = m_manager->getToolMode();
Chris@189 2082
Chris@189 2083 bool editable = false;
Chris@189 2084 Layer *layer = getSelectedLayer();
Chris@189 2085 if (layer && layer->isLayerEditable()) {
Chris@189 2086 editable = true;
Chris@189 2087 }
Chris@189 2088
Chris@189 2089 if (mode == ViewManager::NavigateMode) {
Chris@189 2090
Chris@189 2091 help = tr("Click and drag to navigate");
Chris@189 2092
Chris@189 2093 } else if (mode == ViewManager::SelectMode) {
Chris@189 2094
Chris@217 2095 if (!hasTopLayerTimeXAxis()) return;
Chris@217 2096
Chris@189 2097 bool haveSelection = (m_manager && !m_manager->getSelections().empty());
Chris@189 2098
Chris@189 2099 if (haveSelection) {
Chris@189 2100 if (editable) {
Chris@189 2101 help = tr("Click and drag to select a range; hold Shift to avoid snapping to items; hold Ctrl for multi-select; middle-click and drag to navigate");
Chris@189 2102 } else {
Chris@189 2103 help = tr("Click and drag to select a range; hold Ctrl for multi-select; middle-click and drag to navigate");
Chris@189 2104 }
Chris@189 2105
Chris@189 2106 if (pos) {
Chris@189 2107 bool closeToLeft = false, closeToRight = false;
Chris@189 2108 Selection selection = getSelectionAt(pos->x(), closeToLeft, closeToRight);
Chris@189 2109 if ((closeToLeft || closeToRight) && !(closeToLeft && closeToRight)) {
Chris@189 2110
Chris@189 2111 help = tr("Click and drag to move the selection boundary");
Chris@189 2112 }
Chris@189 2113 }
Chris@189 2114 } else {
Chris@189 2115 if (editable) {
Chris@189 2116 help = tr("Click and drag to select a range; hold Shift to avoid snapping to items; middle-click to navigate");
Chris@189 2117 } else {
Chris@189 2118 help = tr("Click and drag to select a range; middle-click and drag to navigate");
Chris@189 2119 }
Chris@189 2120 }
Chris@189 2121
Chris@189 2122 } else if (mode == ViewManager::DrawMode) {
Chris@189 2123
Chris@189 2124 //!!! could call through to a layer function to find out exact meaning
Chris@189 2125 if (editable) {
Chris@189 2126 help = tr("Click to add a new item in the active layer");
Chris@189 2127 }
Chris@189 2128
Chris@189 2129 } else if (mode == ViewManager::EditMode) {
Chris@189 2130
Chris@189 2131 //!!! could call through to layer
Chris@189 2132 if (editable) {
Chris@189 2133 help = tr("Click and drag an item in the active layer to move it");
Chris@189 2134 if (pos) {
Chris@189 2135 bool closeToLeft = false, closeToRight = false;
Chris@189 2136 Selection selection = getSelectionAt(pos->x(), closeToLeft, closeToRight);
Chris@189 2137 if (!selection.isEmpty()) {
Chris@189 2138 help = tr("Click and drag to move all items in the selected range");
Chris@189 2139 }
Chris@189 2140 }
Chris@189 2141 }
Chris@189 2142 }
Chris@189 2143
Chris@189 2144 emit contextHelpChanged(help);
Chris@189 2145 }
Chris@189 2146
Chris@189 2147 void
Chris@189 2148 Pane::mouseEnteredWidget()
Chris@189 2149 {
Chris@189 2150 QWidget *w = dynamic_cast<QWidget *>(sender());
Chris@189 2151 if (!w) return;
Chris@189 2152
Chris@189 2153 if (w == m_vpan) {
Chris@189 2154 emit contextHelpChanged(tr("Click and drag to adjust the visible range of the vertical scale"));
Chris@189 2155 } else if (w == m_vthumb) {
Chris@189 2156 emit contextHelpChanged(tr("Click and drag to adjust the vertical zoom level"));
Chris@189 2157 } else if (w == m_hthumb) {
Chris@189 2158 emit contextHelpChanged(tr("Click and drag to adjust the horizontal zoom level"));
Chris@189 2159 } else if (w == m_reset) {
Chris@189 2160 emit contextHelpChanged(tr("Reset horizontal and vertical zoom levels to their defaults"));
Chris@189 2161 }
Chris@189 2162 }
Chris@189 2163
Chris@189 2164 void
Chris@189 2165 Pane::mouseLeftWidget()
Chris@189 2166 {
Chris@189 2167 emit contextHelpChanged("");
Chris@189 2168 }
Chris@189 2169
Chris@127 2170 QString
Chris@127 2171 Pane::toXmlString(QString indent, QString extraAttributes) const
Chris@127 2172 {
Chris@127 2173 return View::toXmlString
Chris@127 2174 (indent,
Chris@127 2175 QString("type=\"pane\" centreLineVisible=\"%1\" height=\"%2\" %3")
Chris@127 2176 .arg(m_centreLineVisible).arg(height()).arg(extraAttributes));
Chris@127 2177 }
Chris@127 2178
Chris@127 2179