qlistview.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/widgets/itemviews/qlistview.cpp

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Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 -

6 -

7 -

8 -

9 -

10 extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); -

11 QListView::QListView(QWidget *parent) -

12 : QAbstractItemView(*new QListViewPrivate, parent) -

13 { -

14 setViewMode(ListMode); -

15 setSelectionMode(SingleSelection); -

16 setAttribute(Qt::WA_MacShowFocusRect); -

17 QListViewPrivate * const d = d_func(); -

18 d->updateStyledFrameWidths(); -

19 } -

20 -

21 -

22 -

23 -

24 QListView::QListView(QListViewPrivate &dd, QWidget *parent) -

25 : QAbstractItemView(dd, parent) -

26 { -

27 setViewMode(ListMode); -

28 setSelectionMode(SingleSelection); -

29 setAttribute(Qt::WA_MacShowFocusRect); -

30 QListViewPrivate * const d = d_func(); -

31 d->updateStyledFrameWidths(); -

32 } -

33 -

34 -

35 -

36 -

37 QListView::~QListView() -

38 { -

39 } -

40 void QListView::setMovement(Movement movement) -

41 { -

42 QListViewPrivate * const d = d_func(); -

43 d->modeProperties |= uint(QListViewPrivate::Movement); -

44 d->movement = movement; -

45 -

46 -

47 bool movable = (movement != Static); -

48 setDragEnabled(movable); -

49 d->viewport->setAcceptDrops(movable); -

50 -

51 d->doDelayedItemsLayout(); -

52 } -

53 -

54 QListView::Movement QListView::movement() const -

55 { -

56 const QListViewPrivate * const d = d_func(); -

57 return d->movement; -

58 } -

59 void QListView::setFlow(Flow flow) -

60 { -

61 QListViewPrivate * const d = d_func(); -

62 d->modeProperties |= uint(QListViewPrivate::Flow); -

63 d->flow = flow; -

64 d->doDelayedItemsLayout(); -

65 } -

66 -

67 QListView::Flow QListView::flow() const -

68 { -

69 const QListViewPrivate * const d = d_func(); -

70 return d->flow; -

71 } -

72 void QListView::setWrapping(bool enable) -

73 { -

74 QListViewPrivate * const d = d_func(); -

75 d->modeProperties |= uint(QListViewPrivate::Wrap); -

76 d->setWrapping(enable); -

77 d->doDelayedItemsLayout(); -

78 } -

79 -

80 bool QListView::isWrapping() const -

81 { -

82 const QListViewPrivate * const d = d_func(); -

83 return d->isWrapping(); -

84 } -

85 void QListView::setResizeMode(ResizeMode mode) -

86 { -

87 QListViewPrivate * const d = d_func(); -

88 d->modeProperties |= uint(QListViewPrivate::ResizeMode); -

89 d->resizeMode = mode; -

90 } -

91 -

92 QListView::ResizeMode QListView::resizeMode() const -

93 { -

94 const QListViewPrivate * const d = d_func(); -

95 return d->resizeMode; -

96 } -

97 void QListView::setLayoutMode(LayoutMode mode) -

98 { -

99 QListViewPrivate * const d = d_func(); -

100 d->layoutMode = mode; -

101 } -

102 -

103 QListView::LayoutMode QListView::layoutMode() const -

104 { -

105 const QListViewPrivate * const d = d_func(); -

106 return d->layoutMode; -

107 } -

108 void QListView::setSpacing(int space) -

109 { -

110 QListViewPrivate * const d = d_func(); -

111 d->modeProperties |= uint(QListViewPrivate::Spacing); -

112 d->setSpacing(space); -

113 d->doDelayedItemsLayout(); -

114 } -

115 -

116 int QListView::spacing() const -

117 { -

118 const QListViewPrivate * const d = d_func(); -

119 return d->spacing(); -

120 } -

121 void QListView::setBatchSize(int batchSize) -

122 { -

123 QListViewPrivate * const d = d_func(); -

124

if (__builtin_expect(!!(

__builtin_expe... <= 0), false)	Description
TRUE	never evaluated
FALSE	never evaluated

batchSize <= 0)), false)

__builtin_expe... <= 0), false)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

125 QMessageLogger(__FILE__, 396405, __PRETTY_FUNCTION__).warning("Invalid batchSize (%d)", batchSize); -

126

return;

never executed: return;

127 } -

128 d->batchSize = batchSize; -

129

}

never executed: end of block

130 -

131 int QListView::batchSize() const -

132 { -

133 const QListViewPrivate * const d = d_func(); -

134 return d->batchSize; -

135 } -

136 void QListView::setGridSize(const QSize &size) -

137 { -

138 QListViewPrivate * const d = d_func(); -

139 d->modeProperties |= uint(QListViewPrivate::GridSize); -

140 d->setGridSize(size); -

141 d->doDelayedItemsLayout(); -

142 } -

143 -

144 QSize QListView::gridSize() const -

145 { -

146 const QListViewPrivate * const d = d_func(); -

147 return d->gridSize(); -

148 } -

149 void QListView::setViewMode(ViewMode mode) -

150 { -

151 QListViewPrivate * const d = d_func(); -

152 if (d->commonListView && d->viewMode == mode) -

153 return; -

154 d->viewMode = mode; -

155 -

156 delete d->commonListView; -

157 if (mode == ListMode) { -

158 d->commonListView = new QListModeViewBase(this, d); -

159 if (!(d->modeProperties & QListViewPrivate::Wrap)) -

160 d->setWrapping(false); -

161 if (!(d->modeProperties & QListViewPrivate::Spacing)) -

162 d->setSpacing(0); -

163 if (!(d->modeProperties & QListViewPrivate::GridSize)) -

164 d->setGridSize(QSize()); -

165 if (!(d->modeProperties & QListViewPrivate::Flow)) -

166 d->flow = TopToBottom; -

167 if (!(d->modeProperties & QListViewPrivate::Movement)) -

168 d->movement = Static; -

169 if (!(d->modeProperties & QListViewPrivate::ResizeMode)) -

170 d->resizeMode = Fixed; -

171 if (!(d->modeProperties & QListViewPrivate::SelectionRectVisible)) -

172 d->showElasticBand = false; -

173 } else { -

174 d->commonListView = new QIconModeViewBase(this, d); -

175 if (!(d->modeProperties & QListViewPrivate::Wrap)) -

176 d->setWrapping(true); -

177 if (!(d->modeProperties & QListViewPrivate::Spacing)) -

178 d->setSpacing(0); -

179 if (!(d->modeProperties & QListViewPrivate::GridSize)) -

180 d->setGridSize(QSize()); -

181 if (!(d->modeProperties & QListViewPrivate::Flow)) -

182 d->flow = LeftToRight; -

183 if (!(d->modeProperties & QListViewPrivate::Movement)) -

184 d->movement = Free; -

185 if (!(d->modeProperties & QListViewPrivate::ResizeMode)) -

186 d->resizeMode = Fixed; -

187 if (!(d->modeProperties & QListViewPrivate::SelectionRectVisible)) -

188 d->showElasticBand = true; -

189 } -

190 -

191 -

192 bool movable = (d->movement != Static); -

193 setDragEnabled(movable); -

194 setAcceptDrops(movable); -

195 -

196 d->clear(); -

197 d->doDelayedItemsLayout(); -

198 } -

199 -

200 QListView::ViewMode QListView::viewMode() const -

201 { -

202 const QListViewPrivate * const d = d_func(); -

203 return d->viewMode; -

204 } -

205 void QListView::clearPropertyFlags() -

206 { -

207 QListViewPrivate * const d = d_func(); -

208 d->modeProperties = 0; -

209 } -

210 -

211 -

212 -

213 -

214 bool QListView::isRowHidden(int row) const -

215 { -

216 const QListViewPrivate * const d = d_func(); -

217 return d->isHidden(row); -

218 } -

219 -

220 -

221 -

222 -

223 -

224 void QListView::setRowHidden(int row, bool hide) -

225 { -

226 QListViewPrivate * const d = d_func(); -

227 const bool hidden = d->isHidden(row); -

228 if (hide && !hidden) -

229 d->commonListView->appendHiddenRow(row); -

230 else if (!hide && hidden) -

231 d->commonListView->removeHiddenRow(row); -

232 d->doDelayedItemsLayout(); -

233 d->viewport->update(); -

234 } -

235 -

236 -

237 -

238 -

239 QRect QListView::visualRect(const QModelIndex &index) const -

240 { -

241 const QListViewPrivate * const d = d_func(); -

242 return d->mapToViewport(rectForIndex(index)); -

243 } -

244 -

245 -

246 -

247 -

248 void QListView::scrollTo(const QModelIndex &index, ScrollHint hint) -

249 { -

250 QListViewPrivate * const d = d_func(); -

251 -

252 if (index.parent() != d->root || index.column() != d->column) -

253 return; -

254 -

255 const QRect rect = visualRect(index); -

256 if (hint == EnsureVisible && d->viewport->rect().contains(rect)) { -

257 d->viewport->update(rect); -

258 return; -

259 } -

260 -

261 if (d->flow == QListView::TopToBottom || d->isWrapping()) -

262 verticalScrollBar()->setValue(d->verticalScrollToValue(index, rect, hint)); -

263 -

264 if (d->flow == QListView::LeftToRight || d->isWrapping()) -

265 horizontalScrollBar()->setValue(d->horizontalScrollToValue(index, rect, hint)); -

266 } -

267 -

268 int QListViewPrivate::horizontalScrollToValue(const QModelIndex &index, const QRect &rect, -

269 QListView::ScrollHint hint) const -

270 { -

271 const QListView * const q = q_func(); -

272 const QRect area = viewport->rect(); -

273 const bool leftOf = q->isRightToLeft() -

274 ? (rect.left() < area.left()) && (rect.right() < area.right()) -

275 : rect.left() < area.left(); -

276 const bool rightOf = q->isRightToLeft() -

277 ? rect.right() > area.right() -

278 : (rect.right() > area.right()) && (rect.left() > area.left()); -

279 return commonListView->horizontalScrollToValue(q->visualIndex(index), hint, leftOf, rightOf, area, rect); -

280 } -

281 -

282 int QListViewPrivate::verticalScrollToValue(const QModelIndex &index, const QRect &rect, -

283 QListView::ScrollHint hint) const -

284 { -

285 const QListView * const q = q_func(); -

286 const QRect area = viewport->rect(); -

287 const bool above = (hint == QListView::EnsureVisible && rect.top() < area.top()); -

288 const bool below = (hint == QListView::EnsureVisible && rect.bottom() > area.bottom()); -

289 return commonListView->verticalScrollToValue(q->visualIndex(index), hint, above, below, area, rect); -

290 } -

291 -

292 void QListViewPrivate::selectAll(QItemSelectionModel::SelectionFlags command) -

293 { -

294 if (!selectionModel) -

295 return; -

296 -

297 QItemSelection selection; -

298 QModelIndex topLeft; -

299 int row = 0; -

300 const int colCount = model->columnCount(root); -

301 for(; row < model->rowCount(root); ++row) { -

302 if (isHidden(row)) { -

303 -

304 if (topLeft.isValid()) { -

305 QModelIndex bottomRight = model->index(row - 1, colCount - 1, root); -

306 selection.append(QItemSelectionRange(topLeft, bottomRight)); -

307 topLeft = QModelIndex(); -

308 } -

309 continue; -

310 } -

311 -

312 if (!topLeft.isValid()) -

313 topLeft = model->index(row, 0, root); -

314 } -

315 -

316 if (topLeft.isValid()) { -

317 -

318 QModelIndex bottomRight = model->index(row - 1, colCount - 1, root); -

319 selection.append(QItemSelectionRange(topLeft, bottomRight)); -

320 } -

321 -

322 if (!selection.isEmpty()) -

323 selectionModel->select(selection, command); -

324 } -

325 -

326 -

327 -

328 -

329 -

330 -

331 -

332 QItemViewPaintPairs QListViewPrivate::draggablePaintPairs(const QModelIndexList &indexes, QRect *r) const -

333 { -

334 ((!(r)) ? qt_assert("r",__FILE__,647656) : qt_noop()); -

335 const QListView * const q = q_func(); -

336 QRect &rect = *r; -

337 const QRect viewportRect = viewport->rect(); -

338 QItemViewPaintPairs ret; -

339 const QSetQVector<QModelIndex> visibleIndexes = intersectingSet(viewportRect.translated(q->horizontalOffset(), q->verticalOffset())).toList().toSet(); -

for()));

340 std::sort(int i = 0; i < indexesvisibleIndexes.count(); ++i) {begin(), visibleIndexes.end()); -

341 for (const QModelIndexauto &index =: indexes.at(i);) { -

342

if (std::binary_search

std::binary_se...cend(), index)	Description
TRUE	never evaluated
FALSE	never evaluated

(visibleIndexes.contains(cbegin(), visibleIndexes.cend(), index)

std::binary_se...cend(), index)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

343 const QRect current = q->visualRect(index); -

344 ret += qMakePair(QItemViewPaintPair p = { current, index );}; -

345 ret += p; -

346 rect |= current; -

347

}

never executed: end of block

348

}

never executed: end of block

349 rect &= viewportRect; -

350

return

never executed: return ret;

ret;

never executed: return ret;

351 } -

352 -

353 -

354 -

355 -

356 void QListView::reset() -

357 { -

358 QListViewPrivate * const d = d_func(); -

359 d->clear(); -

360 d->hiddenRows.clear(); -

361 QAbstractItemView::reset(); -

362 } -

363 -

364 -

365 -

366 -

367 void QListView::setRootIndex(const QModelIndex &index) -

368 { -

369 QListViewPrivate * const d = d_func(); -

370 d->column = qBound(0, d->column, d->model->columnCount(index) - 1); -

371 QAbstractItemView::setRootIndex(index); -

372 -

373 d->clear(); -

374 d->hiddenRows.clear(); -

375 } -

376 -

377 -

378 -

379 -

380 -

381 -

382 -

383 void QListView::scrollContentsBy(int dx, int dy) -

384 { -

385 QListViewPrivate * const d = d_func(); -

386 d->delayedAutoScroll.stop(); -

387 d->commonListView->scrollContentsBy(dx, dy, d->state == QListView::DragSelectingState); -

388 } -

389 -

390 -

391 -

392 -

393 -

394 -

395 -

396 void QListView::resizeContents(int width, int height) -

397 { -

398 QListViewPrivate * const d = d_func(); -

399 d->setContentsSize(width, height); -

400 } -

401 -

402 -

403 -

404 -

405 QSize QListView::contentsSize() const -

406 { -

407 const QListViewPrivate * const d = d_func(); -

408 return d->contentsSize(); -

409 } -

410 -

411 -

412 -

413 -

414 void QListView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles) -

415 { -

416 d_func()->commonListView->dataChanged(topLeft, bottomRight); -

417 QAbstractItemView::dataChanged(topLeft, bottomRight, roles); -

418 } -

419 -

420 -

421 -

422 -

423 void QListView::rowsInserted(const QModelIndex &parent, int start, int end) -

424 { -

425 QListViewPrivate * const d = d_func(); -

426 -

427 d->clear(); -

428 d->doDelayedItemsLayout(); -

429 QAbstractItemView::rowsInserted(parent, start, end); -

430 } -

431 -

432 -

433 -

434 -

435 void QListView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) -

436 { -

437 QListViewPrivate * const d = d_func(); -

438 -

439 QAbstractItemView::rowsAboutToBeRemoved(parent, start, end); -

440 if (parent == d->root) { -

441 QSet<QPersistentModelIndex>::iterator it = d->hiddenRows.begin(); -

442 while (it != d->hiddenRows.end()) { -

443 int hiddenRow = it->row(); -

444 if (hiddenRow >= start && hiddenRow <= end) { -

445 it = d->hiddenRows.erase(it); -

446 } else { -

447 ++it; -

448 } -

449 } -

450 } -

451 d->clear(); -

452 d->doDelayedItemsLayout(); -

453 } -

454 -

455 -

456 -

457 -

458 void QListView::mouseMoveEvent(QMouseEvent *e) -

459 { -

460 if (!isVisible()) -

461 return; -

462 QListViewPrivate * const d = d_func(); -

463 QAbstractItemView::mouseMoveEvent(e); -

464 if (state() == DragSelectingState -

465 && d->showElasticBand -

466 && d->selectionMode != SingleSelection -

467 && d->selectionMode != NoSelection) { -

468 QRect rect(d->pressedPosition, e->pos() + QPoint(horizontalOffset(), verticalOffset())); -

469 rect = rect.normalized(); -

470 d->viewport->update(d->mapToViewport(rect.united(d->elasticBand))); -

471 d->elasticBand = rect; -

472 } -

473 } -

474 -

475 -

476 -

477 -

478 void QListView::mouseReleaseEvent(QMouseEvent *e) -

479 { -

480 QListViewPrivate * const d = d_func(); -

481 QAbstractItemView::mouseReleaseEvent(e); -

482 -

483 if (d->showElasticBand && d->elasticBand.isValid()) { -

484 d->viewport->update(d->mapToViewport(d->elasticBand)); -

485 d->elasticBand = QRect(); -

486 } -

487 } -

488 -

489 -

490 -

491 -

492 -

493 void QListView::wheelEvent(QWheelEvent *e) -

494 { -

495 QListViewPrivate * const d = d_func(); -

496

if (e->orientation() == Qt::Vertical

e->orientation...= Qt::Vertical	Description
TRUE	never evaluated
FALSE	never evaluated

) {

497

if (e->angleDelta().x() == 0

e->angleDelta().x() == 0	Description
TRUE	never evaluated
FALSE	never evaluated

498

&& ((d->flow == TopToBottom

d->flow == TopToBottom	Description
TRUE	never evaluated
FALSE	never evaluated

&& d->wrap

d->wrap	Description
TRUE	never evaluated
FALSE	never evaluated

) || (d->flow == LeftToRight

d->flow == LeftToRight	Description
TRUE	never evaluated
FALSE	never evaluated

&& !d->wrap

!d->wrap	Description
TRUE	never evaluated
FALSE	never evaluated

))

499

&& d->vbar->minimum() == 0

d->vbar->minimum() == 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& d->vbar->maximum() == 0

d->vbar->maximum() == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

500 QPoint pixelDelta(e->pixelDelta().y(), e->pixelDelta().x()); -

501 QPoint angleDelta(e->angleDelta().y(), e->angleDelta().x()); -

502 QWheelEvent hwe(e->pos(), e->globalPos(), pixelDelta, angleDelta, e->delta(), -

503 Qt::Horizontal, e->buttons(), e->modifiers(), e->phase(), e->source(), e->inverted()); -

504

if (e->spontaneous()

e->spontaneous()	Description
TRUE	never evaluated
FALSE	never evaluated

)

505

qt_sendSpontaneousEvent(d->hbar, &hwe);

never executed: qt_sendSpontaneousEvent(d->hbar, &hwe);

506 else -

507

QApplication::sendEvent(d->hbar, &hwe);

never executed: QApplication::sendEvent(d->hbar, &hwe);

508 e->setAccepted(hwe.isAccepted()); -

509

}

never executed: end of block

else {

510 QApplication::sendEvent(d->vbar, e); -

511

}

never executed: end of block

512 } else { -

513 QApplication::sendEvent(d->hbar, e); -

514

}

never executed: end of block

515 } -

516 -

517 -

518 -

519 -

520 -

521 void QListView::timerEvent(QTimerEvent *e) -

522 { -

523 QListViewPrivate * const d = d_func(); -

524 if (e->timerId() == d->batchLayoutTimer.timerId()) { -

525 if (d->doItemsLayout(d->batchSize)) { -

526 d->batchLayoutTimer.stop(); -

527 updateGeometries(); -

528 d->viewport->update(); -

529 } -

530 } -

531 QAbstractItemView::timerEvent(e); -

532 } -

533 -

534 -

535 -

536 -

537 void QListView::resizeEvent(QResizeEvent *e) -

538 { -

539 QListViewPrivate * const d = d_func(); -

540 if (d->delayedPendingLayout) -

541 return; -

542 -

543 QSize delta = e->size() - e->oldSize(); -

544 -

545 if (delta.isNull()) -

546 return; -

547 -

548 bool listWrap = (d->viewMode == ListMode) && d->wrapItemText; -

549 bool flowDimensionChanged = (d->flow == LeftToRight && delta.width() != 0) -

550 || (d->flow == TopToBottom && delta.height() != 0); -

551 -

552 -

553 -

554 -

555 if (listWrap -

556 || (state() == NoState && d->resizeMode == Adjust && flowDimensionChanged)) { -

557 d->doDelayedItemsLayout(100); -

558 } else { -

559 QAbstractItemView::resizeEvent(e); -

560 } -

561 } -

562 -

563 -

564 -

565 -

566 -

567 -

568 void QListView::dragMoveEvent(QDragMoveEvent *e) -

569 { -

570 QListViewPrivate * const d = d_func(); -

571 if (!d->commonListView->filterDragMoveEvent(e)) { -

572 if (viewMode() == QListView::ListMode && flow() == QListView::LeftToRight) -

573 static_cast<QListModeViewBase *>(d->commonListView)->dragMoveEvent(e); -

574 else -

575 QAbstractItemView::dragMoveEvent(e); -

576 } -

577 } -

578 -

579 -

580 -

581 -

582 -

583 void QListView::dragLeaveEvent(QDragLeaveEvent *e) -

584 { -

585 if (!d_func()->commonListView->filterDragLeaveEvent(e)) -

586 QAbstractItemView::dragLeaveEvent(e); -

587 } -

588 -

589 -

590 -

591 -

592 void QListView::dropEvent(QDropEvent *e) -

593 { -

594 if (!d_func()->commonListView->filterDropEvent(e)) -

595 QAbstractItemView::dropEvent(e); -

596 } -

597 -

598 -

599 -

600 -

601 void QListView::startDrag(Qt::DropActions supportedActions) -

602 { -

603 if (!d_func()->commonListView->filterStartDrag(supportedActions)) -

604 QAbstractItemView::startDrag(supportedActions); -

605 } -

606 -

607 -

608 -

609 -

610 -

611 -

612 QStyleOptionViewItem QListView::viewOptions() const -

613 { -

614 const QListViewPrivate * const d = d_func(); -

615 QStyleOptionViewItem option = QAbstractItemView::viewOptions(); -

616 if (!d->iconSize.isValid()) { -

617 int pm = (d->viewMode == QListView::ListMode -

618 ? style()->pixelMetric(QStyle::PM_ListViewIconSize, 0, this) -

619 : style()->pixelMetric(QStyle::PM_IconViewIconSize, 0, this)); -

620 option.decorationSize = QSize(pm, pm); -

621 } -

622 if (d->viewMode == QListView::IconMode) { -

623 option.showDecorationSelected = false; -

624 option.decorationPosition = QStyleOptionViewItem::Top; -

625 option.displayAlignment = Qt::AlignCenter; -

626 } else { -

627 option.decorationPosition = QStyleOptionViewItem::Left; -

628 } -

629 -

630 if (d->gridSize().isValid()) { -

631 option.rect.setSize(d->gridSize()); -

632 } -

633 -

634 return option; -

635 } -

636 -

637 -

638 -

639 -

640 -

641 void QListView::paintEvent(QPaintEvent *e) -

642 { -

643 QListViewPrivate * const d = d_func(); -

644

if (!d->itemDelegate

!d->itemDelegate	Description
TRUE	never evaluated
FALSE	never evaluated

)

645

return;

never executed: return;

646 QStyleOptionViewItem option = d->viewOptionsV1(); -

647 QPainter painter(d->viewport); -

648 -

649 const QVector<QModelIndex> toBeRendered = d->intersectingSet(e->rect().translated(horizontalOffset(), verticalOffset()), false); -

650 -

651 const QModelIndex current = currentIndex(); -

652 const QModelIndex hover = d->hover; -

653 const QAbstractItemModel *itemModel = d->model; -

654 const QItemSelectionModel *selections = d->selectionModel; -

655

const bool focus = (hasFocus()

hasFocus()	Description
TRUE	never evaluated
FALSE	never evaluated

|| d->viewport->hasFocus()

d->viewport->hasFocus()	Description
TRUE	never evaluated
FALSE	never evaluated

) && current.isValid()

current.isValid()	Description
TRUE	never evaluated
FALSE	never evaluated

;

656 const bool alternate = d->alternatingColors; -

657 const QStyle::State state = option.state; -

658 const QAbstractItemView::State viewState = this->state(); -

659 const bool enabled = (state & QStyle::State_Enabled) != 0; -

660 -

661 bool alternateBase = false; -

662 int previousRow = -2; -

663 -

664

int maxSize = (

(flow() == TopToBottom)	Description
TRUE	never evaluated
FALSE	never evaluated

flow() == TopToBottom)

(flow() == TopToBottom)	Description
TRUE	never evaluated
FALSE	never evaluated

665 ? qMax(viewport()->size().width(), d->contentsSize().width()) - 2 * d->spacing() -

666 : qMax(viewport()->size().height(), d->contentsSize().height()) - 2 * d->spacing(); -

667 -

668 QVector<QModelIndex>::const_iterator end = toBeRendered.constEnd(); -

669

for (QVector<QModelIndex>::const_iterator it = toBeRendered.constBegin(); it != end

it != end	Description
TRUE	never evaluated
FALSE	never evaluated

; ++it) {

670 ((!((*it).isValid())) ? qt_assert("(*it).isValid()",__FILE__,982992) : qt_noop()); -

671 option.rect = visualRect(*it); -

672 -

673

if (flow() == TopToBottom

flow() == TopToBottom	Description
TRUE	never evaluated
FALSE	never evaluated

)

674

option.rect.setWidth(qMin(maxSize, option.rect.width()));

never executed: option.rect.setWidth(qMin(maxSize, option.rect.width()));

675 else -

676

option.rect.setHeight(qMin(maxSize, option.rect.height()));

never executed: option.rect.setHeight(qMin(maxSize, option.rect.height()));

677 -

678 option.state = state; -

679

if (selections

selections	Description
TRUE	never evaluated
FALSE	never evaluated

&& selections->isSelected(*it)

selections->isSelected(*it)	Description
TRUE	never evaluated
FALSE	never evaluated

)

680

option.state |= QStyle::State_Selected;

never executed: option.state |= QStyle::State_Selected;

681

if (enabled

enabled	Description
TRUE	never evaluated
FALSE	never evaluated

) {

682 QPalette::ColorGroup cg; -

683

if ((

(itemModel->fl...sEnabled) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

itemModel->flags(*it) & Qt::ItemIsEnabled) == 0

(itemModel->fl...sEnabled) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

684 option.state &= ~QStyle::State_Enabled; -

685 cg = QPalette::Disabled; -

686

}

never executed: end of block

else {

687 cg = QPalette::Normal; -

688

}

never executed: end of block

689 option.palette.setCurrentColorGroup(cg); -

690

}

never executed: end of block

691

if (focus

focus	Description
TRUE	never evaluated
FALSE	never evaluated

&& current == *it

current == *it	Description
TRUE	never evaluated
FALSE	never evaluated

) {

692 option.state |= QStyle::State_HasFocus; -

693

if (viewState == EditingState

viewState == EditingState	Description
TRUE	never evaluated
FALSE	never evaluated

)

694

option.state |= QStyle::State_Editing;

never executed: option.state |= QStyle::State_Editing;

695

}

never executed: end of block

696 if (*it == hover)option.state|= QStyle::State_MouseOver; -

else

option.state &= ~setFlag(QStyle::State_MouseOver;, *it == hover);

697 -

698

if (alternate

alternate	Description
TRUE	never evaluated
FALSE	never evaluated

) {

699 int row = (*it).row(); -

700

if (row != previousRow + 1

row != previousRow + 1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

701 -

702

if (!d->hiddenRows.isEmpty()

!d->hiddenRows.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

703

for (int r = qMax(previousRow + 1, 0); r < row

r < row	Description
TRUE	never evaluated
FALSE	never evaluated

; ++r) {

704

if (!d->isHidden(r)

!d->isHidden(r)	Description
TRUE	never evaluated
FALSE	never evaluated

)

705

alternateBase = !alternateBase;

never executed: alternateBase = !alternateBase;

706

}

never executed: end of block

707

}

never executed: end of block

else {

708 alternateBase = (row & 1) != 0; -

709

}

never executed: end of block

710 } -

711 if (alternateBase) {option.features|= QStyleOptionViewItem::Alternate; -

} else {

option.features &= ~setFlag(QStyleOptionViewItem::Alternate;

}, alternateBase);

712 -

713 -

714 -

715 QStyle::State oldState = option.state; -

716 option.state &= ~QStyle::State_Selected; -

717 style()->drawPrimitive(QStyle::PE_PanelItemViewRow, &option, &painter, this); -

718 option.state = oldState; -

719 -

720 alternateBase = !alternateBase; -

721 previousRow = row; -

722

}

never executed: end of block

723 -

724 d->delegateForIndex(*it)->paint(&painter, option, *it); -

725

}

never executed: end of block

726 -

727 -

728 d->commonListView->paintDragDrop(&painter); -

729 -

730 -

731 -

732 -

733

if (d->showElasticBand

d->showElasticBand	Description
TRUE	never evaluated
FALSE	never evaluated

&& d->elasticBand.isValid()

d->elasticBand.isValid()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

734 QStyleOptionRubberBand opt; -

735 opt.initFrom(this); -

736 opt.shape = QRubberBand::Rectangle; -

737 opt.opaque = false; -

738 opt.rect = d->mapToViewport(d->elasticBand, false).intersected( -

739 d->viewport->rect().adjusted(-16, -16, 16, 16)); -

740 painter.save(); -

741 style()->drawControl(QStyle::CE_RubberBand, &opt, &painter); -

742 painter.restore(); -

743

}

never executed: end of block

744 -

745

}

never executed: end of block

746 -

747 -

748 -

749 -

750 QModelIndex QListView::indexAt(const QPoint &p) const -

751 { -

752 const QListViewPrivate * const d = d_func(); -

753 QRect rect(p.x() + horizontalOffset(), p.y() + verticalOffset(), 1, 1); -

754 const QVector<QModelIndex> intersectVector = d->intersectingSet(rect); -

755 QModelIndex index = intersectVector.count() > 0 -

756 ? intersectVector.last() : QModelIndex(); -

757 if (index.isValid() && visualRect(index).contains(p)) -

758 return index; -

759 return QModelIndex(); -

760 } -

761 -

762 -

763 -

764 -

765 int QListView::horizontalOffset() const -

766 { -

767 return d_func()->commonListView->horizontalOffset(); -

768 } -

769 -

770 -

771 -

772 -

773 int QListView::verticalOffset() const -

774 { -

775 return d_func()->commonListView->verticalOffset(); -

776 } -

777 -

778 -

779 -

780 -

781 QModelIndex QListView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) -

782 { -

783 QListViewPrivate * const d = d_func(); -

784 (void)modifiers;; -

785 -

786 QModelIndex current = currentIndex(); -

787 if (!current.isValid()) { -

788 int rowCount = d->model->rowCount(d->root); -

789 if (!rowCount) -

790 return QModelIndex(); -

791 int row = 0; -

792 while (row < rowCount && d->isHiddenOrDisabled(row)) -

793 ++row; -

794 if (row >= rowCount) -

795 return QModelIndex(); -

796 return d->model->index(row, d->column, d->root); -

797 } -

798 -

799 const QRect initialRect = rectForIndex(current); -

800 QRect rect = initialRect; -

801 if (rect.isEmpty()) { -

802 return d->model->index(0, d->column, d->root); -

803 } -

804 if (d->gridSize().isValid()) rect.setSize(d->gridSize()); -

805 -

806 QSize contents = d->contentsSize(); -

807 QVector<QModelIndex> intersectVector; -

808 -

809 switch (cursorAction) { -

810 case MoveLeft: -

811 while (intersectVector.isEmpty()) { -

812 rect.translate(-rect.width(), 0); -

813 if (rect.right() <= 0) -

814 return current; -

815 if (rect.left() < 0) -

816 rect.setLeft(0); -

817 intersectVector = d->intersectingSet(rect); -

818 d->removeCurrentAndDisabled(&intersectVector, current); -

819 } -

820 return d->closestIndex(initialRect, intersectVector); -

821 case MoveRight: -

822 while (intersectVector.isEmpty()) { -

823 rect.translate(rect.width(), 0); -

824 if (rect.left() >= contents.width()) -

825 return current; -

826 if (rect.right() > contents.width()) -

827 rect.setRight(contents.width()); -

828 intersectVector = d->intersectingSet(rect); -

829 d->removeCurrentAndDisabled(&intersectVector, current); -

830 } -

831 return d->closestIndex(initialRect, intersectVector); -

832 case MovePageUp: -

833 -

834 -

835 rect.moveTop(rect.top() - d->viewport->height() + 2 * rect.height()); -

836 if (rect.top() < rect.height()) -

837 rect.moveTop(rect.height()); -

838 case MovePrevious: -

839 case MoveUp: -

840 while (intersectVector.isEmpty()) { -

841 rect.translate(0, -rect.height()); -

842 if (rect.bottom() <= 0) { -

843 return current; -

844 } -

845 if (rect.top() < 0) -

846 rect.setTop(0); -

847 intersectVector = d->intersectingSet(rect); -

848 d->removeCurrentAndDisabled(&intersectVector, current); -

849 } -

850 return d->closestIndex(initialRect, intersectVector); -

851 case MovePageDown: -

852 -

853 -

854 rect.moveTop(rect.top() + d->viewport->height() - 2 * rect.height()); -

855 if (rect.bottom() > contents.height() - rect.height()) -

856 rect.moveBottom(contents.height() - rect.height()); -

857 case MoveNext: -

858 case MoveDown: -

859 while (intersectVector.isEmpty()) { -

860 rect.translate(0, rect.height()); -

861 if (rect.top() >= contents.height()) { -

862 return current; -

863 } -

864 if (rect.bottom() > contents.height()) -

865 rect.setBottom(contents.height()); -

866 intersectVector = d->intersectingSet(rect); -

867 d->removeCurrentAndDisabled(&intersectVector, current); -

868 } -

869 return d->closestIndex(initialRect, intersectVector); -

870 case MoveHome: -

871 return d->model->index(0, d->column, d->root); -

872 case MoveEnd: -

873 return d->model->index(d->batchStartRow() - 1, d->column, d->root);} -

874 -

875 return current; -

876 } -

877 -

878 -

879 -

880 -

881 -

882 -

883 -

884 QRect QListView::rectForIndex(const QModelIndex &index) const -

885 { -

886 return d_func()->rectForIndex(index); -

887 } -

888 void QListView::setPositionForIndex(const QPoint &position, const QModelIndex &index) -

889 { -

890 QListViewPrivate * const d = d_func(); -

891 if (d->movement == Static -

892 || !d->isIndexValid(index) -

893 || index.parent() != d->root -

894 || index.column() != d->column) -

895 return; -

896 -

897 d->executePostedLayout(); -

898 d->commonListView->setPositionForIndex(position, index); -

899 } -

900 -

901 -

902 -

903 -

904 void QListView::setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command) -

905 { -

906 QListViewPrivate * const d = d_func(); -

907 if (!d->selectionModel) -

908 return; -

909 -

910 -

911 int w = qMax(d->contentsSize().width(), d->viewport->width()); -

912 int h = qMax(d->contentsSize().height(), d->viewport->height()); -

913 if (d->wrap && !QRect(0, 0, w, h).intersects(rect)) -

914 return; -

915 -

916 QItemSelection selection; -

917 -

918 if (rect.width() == 1 && rect.height() == 1) { -

919 const QVector<QModelIndex> intersectVector = d->intersectingSet(rect.translated(horizontalOffset(), verticalOffset())); -

920 QModelIndex tl; -

921 if (!intersectVector.isEmpty()) -

922 tl = intersectVector.last(); -

923 if (tl.isValid() && d->isIndexEnabled(tl)) -

924 selection.select(tl, tl); -

925 } else { -

926 if (state() == DragSelectingState) { -

927 selection = d->selection(rect.translated(horizontalOffset(), verticalOffset())); -

928 } else { -

929 QModelIndex tl, br; -

930 -

931 const QRect topLeft(rect.left() + horizontalOffset(), rect.top() + verticalOffset(), 1, 1); -

932 QVector<QModelIndex> intersectVector = d->intersectingSet(topLeft); -

933 if (!intersectVector.isEmpty()) -

934 tl = intersectVector.last(); -

935 -

936 const QRect bottomRight(rect.right() + horizontalOffset(), rect.bottom() + verticalOffset(), 1, 1); -

937 intersectVector = d->intersectingSet(bottomRight); -

938 if (!intersectVector.isEmpty()) -

939 br = intersectVector.last(); -

940 -

941 -

942 if (tl.isValid() && br.isValid() -

943 && d->isIndexEnabled(tl) -

944 && d->isIndexEnabled(br)) { -

945 QRect first = rectForIndex(tl); -

946 QRect last = rectForIndex(br); -

947 QRect middle; -

948 if (d->flow == LeftToRight) { -

949 QRect &top = first; -

950 QRect &bottom = last; -

951 -

952 if (top.center().y() > bottom.center().y()) { -

953 QRect tmp = top; -

954 top = bottom; -

955 bottom = tmp; -

956 } -

957 -

958 if (top.top() != bottom.top()) { -

959 -

960 if (isRightToLeft()) -

961 top.setLeft(0); -

962 else -

963 top.setRight(contentsSize().width()); -

964 -

965 if (isRightToLeft()) -

966 bottom.setRight(contentsSize().width()); -

967 else -

968 bottom.setLeft(0); -

969 } else if (top.left() > bottom.right()) { -

970 if (isRightToLeft()) -

971 bottom.setLeft(top.right()); -

972 else -

973 bottom.setRight(top.left()); -

974 } else { -

975 if (isRightToLeft()) -

976 top.setLeft(bottom.right()); -

977 else -

978 top.setRight(bottom.left()); -

979 } -

980 -

981 if (top.bottom() < bottom.top()) { -

982 if (gridSize().isValid() && !gridSize().isNull()) -

983 middle.setTop(top.top() + gridSize().height()); -

984 else -

985 middle.setTop(top.bottom() + 1); -

986 middle.setLeft(qMin(top.left(), bottom.left())); -

987 middle.setBottom(bottom.top() - 1); -

988 middle.setRight(qMax(top.right(), bottom.right())); -

989 } -

990 } else { -

991 QRect &left = first; -

992 QRect &right = last; -

993 if (left.center().x() > right.center().x()) -

994 qSwap(left, right); -

995 -

996 int ch = contentsSize().height(); -

997 if (left.left() != right.left()) { -

998 -

999 if (isRightToLeft()) -

1000 left.setTop(0); -

1001 else -

1002 left.setBottom(ch); -

1003 -

1004 -

1005 if (isRightToLeft()) -

1006 right.setBottom(ch); -

1007 else -

1008 right.setTop(0); -

1009 -

1010 middle.setTop(0); -

1011 middle.setBottom(ch); -

1012 if (gridSize().isValid() && !gridSize().isNull()) -

1013 middle.setLeft(left.left() + gridSize().width()); -

1014 else -

1015 middle.setLeft(left.right() + 1); -

1016 middle.setRight(right.left() - 1); -

1017 } else if (left.bottom() < right.top()) { -

1018 left.setBottom(right.top() - 1); -

1019 } else { -

1020 right.setBottom(left.top() - 1); -

1021 } -

1022 } -

1023 -

1024 -

1025 QItemSelection topSelection = d->selection(first); -

1026 QItemSelection middleSelection = d->selection(middle); -

1027 QItemSelection bottomSelection = d->selection(last); -

1028 -

1029 selection.merge(topSelection, QItemSelectionModel::Select); -

1030 selection.merge(middleSelection, QItemSelectionModel::Select); -

1031 selection.merge(bottomSelection, QItemSelectionModel::Select); -

1032 } -

1033 } -

1034 } -

1035 -

1036 d->selectionModel->select(selection, command); -

1037 } -

1038 -

1039 -

1040 -

1041 -

1042 -

1043 -

1044 -

1045 QRegion QListView::visualRegionForSelection(const QItemSelection &selection) const -

1046 { -

1047 const QListViewPrivate * const d = d_func(); -

1048 -

1049 int c = d->column; -

1050 QRegion selectionRegion; -

1051 const QRect &viewportRect = d->viewport->rect(); -

1052 for (int i = 0; i <const auto &elem : selection.count(); ++i) { -

1053

if (!selectionelem.at(i).isValid()

!elem.isValid()	Description
TRUE	never evaluated
FALSE	never evaluated

)

1054

continue;

never executed: continue;

1055 QModelIndex parent = selectionelem.at(i).topLeft().parent(); -

1056 -

1057 -

1058

if (parent != d->root

parent != d->root	Description
TRUE	never evaluated
FALSE	never evaluated

)

1059

continue;

never executed: continue;

1060 int t = selectionelem.at(i).topLeft().row(); -

1061 int b = selectionelem.at(i).bottomRight().row(); -

1062

if (d->viewMode == IconMode

d->viewMode == IconMode	Description
TRUE	never evaluated
FALSE	never evaluated

|| d->isWrapping()

d->isWrapping()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1063

for (int r = t; r <= b

r <= b	Description
TRUE	never evaluated
FALSE	never evaluated

; ++r) {

1064 const QRect &rect = visualRect(d->model->index(r, c, parent)); -

1065

if (viewportRect.intersects(rect)

viewportRect.intersects(rect)	Description
TRUE	never evaluated
FALSE	never evaluated

)

1066

selectionRegion += rect;

never executed: selectionRegion += rect;

1067

}

never executed: end of block

1068

}

never executed: end of block

else {

1069

while (t <= b

t <= b	Description
TRUE	never evaluated
FALSE	never evaluated

&& d->isHidden(t)

d->isHidden(t)	Description
TRUE	never evaluated
FALSE	never evaluated

) ++

never executed: ++t;

1070

while (b >= t

b >= t	Description
TRUE	never evaluated
FALSE	never evaluated

&& d->isHidden(b)

d->isHidden(b)	Description
TRUE	never evaluated
FALSE	never evaluated

) --

never executed: --b;

1071 const QModelIndex top = d->model->index(t, c, parent); -

1072 const QModelIndex bottom = d->model->index(b, c, parent); -

1073 QRect rect(visualRect(top).topLeft(), -

1074 visualRect(bottom).bottomRight()); -

1075

if (viewportRect.intersects(rect)

viewportRect.intersects(rect)	Description
TRUE	never evaluated
FALSE	never evaluated

)

1076

selectionRegion += rect;

never executed: selectionRegion += rect;

1077

}

never executed: end of block

1078 } -

1079 -

1080

return

never executed: return selectionRegion;

selectionRegion;

never executed: return selectionRegion;

1081 } -

1082 -

1083 -

1084 -

1085 -

1086 QModelIndexList QListView::selectedIndexes() const -

1087 { -

1088 const QListViewPrivate * const d = d_func(); -

1089

if (!d->selectionModel

!d->selectionModel	Description
TRUE	never evaluated
FALSE	never evaluated

)

1090

return

never executed: return QModelIndexList();

QModelIndexList();

never executed: return QModelIndexList();

1091 -

1092 QModelIndexList viewSelected = d->selectionModel->selectedIndexes(); -

1093 for (int iauto ignorable = 0; i < viewSelected.count();) {[this, d](const QModelIndex &index= viewSelected.at(i); -

if (!isIndexHidden(index) &&{

1094

return

never executed: return index.column() != d->column || index.parent() != d->root || isIndexHidden(index);

index.parentcolumn() ==!= d->root &&column || index.columnparent() ==!= d->column)

never executed: return index.column() != d->column || index.parent() != d->root || isIndexHidden(index);

++i;

never executed: return index.column() != d->column || index.parent() != d->root || isIndexHidden(index);

else

never executed: return index.column() != d->column || index.parent() != d->root || isIndexHidden(index);

root || isIndexHidden(index);

never executed: return index.column() != d->column || index.parent() != d->root || isIndexHidden(index);

1095 }; -

1096 viewSelected.removeAterase(i); -

}std::remove_if(viewSelected.begin(), viewSelected.end(), ignorable),

1097 viewSelected.end()); -

1098

return

never executed: return viewSelected;

viewSelected;

never executed: return viewSelected;

1099 } -

1100 -

1101 -

1102 -

1103 -

1104 -

1105 -

1106 void QListView::doItemsLayout() -

1107 { -

1108 QListViewPrivate * const d = d_func(); -

1109 -

1110 -

1111 -

1112 QAbstractItemView::State oldState = state(); -

1113 setState(ExpandingState); -

1114 if (d->model->columnCount(d->root) > 0) { -

1115 d->resetBatchStartRow(); -

1116 if (layoutMode() == SinglePass) -

1117 d->doItemsLayout(d->model->rowCount(d->root)); -

1118 else if (!d->batchLayoutTimer.isActive()) { -

1119 if (!d->doItemsLayout(d->batchSize)) -

1120 d->batchLayoutTimer.start(0, this); -

1121 } -

1122 } -

1123 QAbstractItemView::doItemsLayout(); -

1124 setState(oldState); -

1125 } -

1126 -

1127 -

1128 -

1129 -

1130 void QListView::updateGeometries() -

1131 { -

1132 QListViewPrivate * const d = d_func(); -

1133 if (geometry().isEmpty() || d->model->rowCount(d->root) <= 0 || d->model->columnCount(d->root) <= 0) { -

1134 horizontalScrollBar()->setRange(0, 0); -

1135 verticalScrollBar()->setRange(0, 0); -

1136 } else { -

1137 QModelIndex index = d->model->index(0, d->column, d->root); -

1138 QStyleOptionViewItem option = d->viewOptionsV1(); -

1139 QSize step = d->itemSize(option, index); -

1140 d->commonListView->updateHorizontalScrollBar(step); -

1141 d->commonListView->updateVerticalScrollBar(step); -

1142 } -

1143 -

1144 QAbstractItemView::updateGeometries(); -

1145 -

1146 -

1147 if (d->movement == Static && !d->isWrapping()) { -

1148 d->layoutChildren(); -

1149 if (d->flow == TopToBottom) { -

1150 if (horizontalScrollBarPolicy() == Qt::ScrollBarAlwaysOff) { -

1151 d->setContentsSize(viewport()->width(), contentsSize().height()); -

1152 horizontalScrollBar()->setRange(0, 0); -

1153 } -

1154 } else { -

1155 if (verticalScrollBarPolicy() == Qt::ScrollBarAlwaysOff) { -

1156 d->setContentsSize(contentsSize().width(), viewport()->height()); -

1157 verticalScrollBar()->setRange(0, 0); -

1158 } -

1159 } -

1160 } -

1161 -

1162 } -

1163 -

1164 -

1165 -

1166 -

1167 bool QListView::isIndexHidden(const QModelIndex &index) const -

1168 { -

1169 const QListViewPrivate * const d = d_func(); -

1170 return (d->isHidden(index.row()) -

1171 && (index.parent() == d->root) -

1172 && index.column() == d->column); -

1173 } -

1174 void QListView::setModelColumn(int column) -

1175 { -

1176 QListViewPrivate * const d = d_func(); -

1177 if (column < 0 || column >= d->model->columnCount(d->root)) -

1178 return; -

1179 d->column = column; -

1180 d->doDelayedItemsLayout(); -

1181 } -

1182 -

1183 int QListView::modelColumn() const -

1184 { -

1185 const QListViewPrivate * const d = d_func(); -

1186 return d->column; -

1187 } -

1188 void QListView::setUniformItemSizes(bool enable) -

1189 { -

1190 QListViewPrivate * const d = d_func(); -

1191 d->uniformItemSizes = enable; -

1192 } -

1193 -

1194 bool QListView::uniformItemSizes() const -

1195 { -

1196 const QListViewPrivate * const d = d_func(); -

1197 return d->uniformItemSizes; -

1198 } -

1199 void QListView::setWordWrap(bool on) -

1200 { -

1201 QListViewPrivate * const d = d_func(); -

1202 if (d->wrapItemText == on) -

1203 return; -

1204 d->wrapItemText = on; -

1205 d->doDelayedItemsLayout(); -

1206 } -

1207 -

1208 bool QListView::wordWrap() const -

1209 { -

1210 const QListViewPrivate * const d = d_func(); -

1211 return d->wrapItemText; -

1212 } -

1213 void QListView::setSelectionRectVisible(bool show) -

1214 { -

1215 QListViewPrivate * const d = d_func(); -

1216 d->modeProperties |= uint(QListViewPrivate::SelectionRectVisible); -

1217 d->setSelectionRectVisible(show); -

1218 } -

1219 -

1220 bool QListView::isSelectionRectVisible() const -

1221 { -

1222 const QListViewPrivate * const d = d_func(); -

1223 return d->isSelectionRectVisible(); -

1224 } -

1225 -

1226 -

1227 -

1228 -

1229 bool QListView::event(QEvent *e) -

1230 { -

1231 return QAbstractItemView::event(e); -

1232 } -

1233 -

1234 -

1235 -

1236 -

1237 -

1238 QListViewPrivate::QListViewPrivate() -

1239 : QAbstractItemViewPrivate(), -

1240 commonListView(0), -

1241 wrap(false), -

1242 space(0), -

1243 flow(QListView::TopToBottom), -

1244 movement(QListView::Static), -

1245 resizeMode(QListView::Fixed), -

1246 layoutMode(QListView::SinglePass), -

1247 viewMode(QListView::ListMode), -

1248 modeProperties(0), -

1249 column(0), -

1250 uniformItemSizes(false), -

1251 batchSize(100), -

1252 showElasticBand(false) -

1253 { -

1254 } -

1255 -

1256 QListViewPrivate::~QListViewPrivate() -

1257 { -

1258 delete commonListView; -

1259 } -

1260 -

1261 void QListViewPrivate::clear() -

1262 { -

1263 -

1264 cachedItemSize = QSize(); -

1265 commonListView->clear(); -

1266 } -

1267 -

1268 void QListViewPrivate::prepareItemsLayout() -

1269 { -

1270 QListView * const q = q_func(); -

1271 clear(); -

1272 -

1273 -

1274 layoutBounds = QRect(QPoint(), q->maximumViewportSize()); -

1275 -

1276 int frameAroundContents = 0; -

1277 if (q->style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents)) -

1278 frameAroundContents = q->style()->pixelMetric(QStyle::PM_DefaultFrameWidth) * 2; -

1279 -

1280 -

1281 -

1282 -

1283 int verticalMargin = vbarpolicy==Qt::ScrollBarAsNeeded -

1284 ? q->style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, vbar) + frameAroundContents -

1285 : 0; -

1286 int horizontalMargin = hbarpolicy==Qt::ScrollBarAsNeeded -

1287 ? q->style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, hbar) + frameAroundContents -

1288 : 0; -

1289 -

1290 layoutBounds.adjust(0, 0, -verticalMargin, -horizontalMargin); -

1291 -

1292 int rowCount = model->columnCount(root) <= 0 ? 0 : model->rowCount(root); -

1293 commonListView->setRowCount(rowCount); -

1294 } -

1295 -

1296 -

1297 -

1298 -

1299 bool QListViewPrivate::doItemsLayout(int delta) -

1300 { -

1301 int max = model->rowCount(root) - 1; -

1302 int first = batchStartRow(); -

1303 int last = qMin(first + delta - 1, max); -

1304 -

1305 if (first == 0) { -

1306 layoutChildren(); -

1307 prepareItemsLayout(); -

1308 } -

1309 -

1310 if (max < 0 || last < first) { -

1311 return true; -

1312 } -

1313 -

1314 QListViewLayoutInfo info; -

1315 info.bounds = layoutBounds; -

1316 info.grid = gridSize(); -

1317 info.spacing = (info.grid.isValid() ? 0 : spacing()); -

1318 info.first = first; -

1319 info.last = last; -

1320 info.wrap = isWrapping(); -

1321 info.flow = flow; -

1322 info.max = max; -

1323 -

1324 return commonListView->doBatchedItemLayout(info, max); -

1325 } -

1326 -

1327 QListViewItem QListViewPrivate::indexToListViewItem(const QModelIndex &index) const -

1328 { -

1329 if (!index.isValid() || isHidden(index.row())) -

1330 return QListViewItem(); -

1331 -

1332 return commonListView->indexToListViewItem(index); -

1333 } -

1334 -

1335 QRect QListViewPrivate::mapToViewport(const QRect &rect, bool extend) const -

1336 { -

1337 const QListView * const q = q_func(); -

1338 if (!rect.isValid()) -

1339 return rect; -

1340 -

1341 QRect result = extend ? commonListView->mapToViewport(rect) : rect; -

1342 int dx = -q->horizontalOffset(); -

1343 int dy = -q->verticalOffset(); -

1344 return result.adjusted(dx, dy, dx, dy); -

1345 } -

1346 -

1347 QModelIndex QListViewPrivate::closestIndex(const QRect &target, -

1348 const QVector<QModelIndex> &candidates) const -

1349 { -

1350 int distance = 0; -

1351 int shortest = 2147483647; -

1352 QModelIndex closest; -

1353 QVector<QModelIndex>::const_iterator it = candidates.begin(); -

1354 -

1355 for (; it != candidates.end(); ++it) { -

1356 if (!(*it).isValid()) -

1357 continue; -

1358 -

1359 const QRect indexRect = indexToListViewItem(*it).rect(); -

1360 -

1361 -

1362 -

1363 -

1364 if ((target.center().x() >= indexRect.x() && target.center().x() < indexRect.right()) -

1365 || (indexRect.center().x() >= target.x() && indexRect.center().x() < target.right())) { -

1366 -

1367 distance = qAbs(indexRect.center().y() - target.center().y()); -

1368 } else if ((target.center().y() >= indexRect.y() && target.center().y() < indexRect.bottom()) -

1369 || (indexRect.center().y() >= target.y() && indexRect.center().y() < target.bottom())) { -

1370 -

1371 distance = qAbs(indexRect.center().x() - target.center().x()); -

1372 } else { -

1373 distance = (indexRect.center() - target.center()).manhattanLength(); -

1374 } -

1375 if (distance < shortest) { -

1376 shortest = distance; -

1377 closest = *it; -

1378 } -

1379 } -

1380 return closest; -

1381 } -

1382 -

1383 QSize QListViewPrivate::itemSize(const QStyleOptionViewItem &option, const QModelIndex &index) const -

1384 { -

1385 if (!uniformItemSizes) { -

1386 const QAbstractItemDelegate *delegate = delegateForIndex(index); -

1387 return delegate ? delegate->sizeHint(option, index) : QSize(); -

1388 } -

1389 if (!cachedItemSize.isValid()) { -

1390 int row = model->rowCount(root) - 1; -

1391 QModelIndex sample = model->index(row, column, root); -

1392 const QAbstractItemDelegate *delegate = delegateForIndex(sample); -

1393 cachedItemSize = delegate ? delegate->sizeHint(option, sample) : QSize(); -

1394 } -

1395 return cachedItemSize; -

1396 } -

1397 -

1398 QItemSelection QListViewPrivate::selection(const QRect &rect) const -

1399 { -

1400 QItemSelection selection; -

1401 QModelIndex tl, br; -

1402 const QVector<QModelIndex> intersectVector = intersectingSet(rect); -

1403 QVector<QModelIndex>::const_iterator it = intersectVector.begin(); -

1404 for (; it != intersectVector.end(); ++it) { -

1405 if (!tl.isValid() && !br.isValid()) { -

1406 tl = br = *it; -

1407 } else if ((*it).row() == (tl.row() - 1)) { -

1408 tl = *it; -

1409 } else if ((*it).row() == (br.row() + 1)) { -

1410 br = (*it); -

1411 } else { -

1412 selection.select(tl, br); -

1413 tl = br = *it; -

1414 } -

1415 } -

1416 -

1417 if (tl.isValid() && br.isValid()) -

1418 selection.select(tl, br); -

1419 else if (tl.isValid()) -

1420 selection.select(tl, tl); -

1421 else if (br.isValid()) -

1422 selection.select(br, br); -

1423 -

1424 return selection; -

1425 } -

1426 -

1427 -

1428 QAbstractItemView::DropIndicatorPosition QListViewPrivate::position(const QPoint &pos, const QRect &rect, const QModelIndex &idx) const -

1429 { -

1430 if (viewMode == QListView::ListMode && flow == QListView::LeftToRight) -

1431 return static_cast<QListModeViewBase *>(commonListView)->position(pos, rect, idx); -

1432 else -

1433 return QAbstractItemViewPrivate::position(pos, rect, idx); -

1434 } -

1435 -

1436 bool QListViewPrivate::dropOn(QDropEvent *event, int *dropRow, int *dropCol, QModelIndex *dropIndex) -

1437 { -

1438 if (viewMode == QListView::ListMode && flow == QListView::LeftToRight) -

1439 return static_cast<QListModeViewBase *>(commonListView)->dropOn(event, dropRow, dropCol, dropIndex); -

1440 else -

1441 return QAbstractItemViewPrivate::dropOn(event, dropRow, dropCol, dropIndex); -

1442 } -

1443 -

1444 -

1445 void QListViewPrivate::removeCurrentAndDisabled(QVector<QModelIndex> *indexes, const QModelIndex &current) const -

1446 { -

1447 auto isCurrentOrDisabled = [=](const QModelIndex &index) { -

1448

return

never executed: return !isIndexEnabled(index) || index == current;

!isIndexEnabled(index) || index == current;

never executed: return !isIndexEnabled(index) || index == current;

1449 }; -

1450 indexes->erase(std::remove_if(indexes->begin(), indexes->end(), -

1451 isCurrentOrDisabled), -

1452 indexes->end()); -

1453

}

never executed: end of block

1454 -

1455 -

1456 -

1457 -

1458 -

1459 void QCommonListViewBase::appendHiddenRow(int row) -

1460 { -

1461 dd->hiddenRows.insert(dd->model->index(row, 0, qq->rootIndex())); -

1462 } -

1463 -

1464 void QCommonListViewBase::removeHiddenRow(int row) -

1465 { -

1466 dd->hiddenRows.remove(dd->model->index(row, 0, qq->rootIndex())); -

1467 } -

1468 -

1469 -

1470 void QCommonListViewBase::paintDragDrop(QPainter *painter) -

1471 { -

1472 -

1473 -

1474 dd->paintDropIndicator(painter); -

1475 } -

1476 -

1477 -

1478 void QCommonListViewBase::updateHorizontalScrollBar(const QSize &step) -

1479 { -

1480 horizontalScrollBar()->setSingleStepd_func()->itemviewChangeSingleStep(step.width() + spacing()); -

1481 horizontalScrollBar()->setPageStep(viewport()->width()); -

1482 -

1483 -

1484 -

1485 -

1486 -

1487

const bool bothScrollBarsAuto = qq->verticalScrollBarPolicy() == Qt::ScrollBarAsNeeded

qq->verticalSc...ollBarAsNeeded	Description
TRUE	never evaluated
FALSE	never evaluated

1488

qq->horizontalScrollBarPolicy() == Qt::ScrollBarAsNeeded

qq->horizontal...ollBarAsNeeded	Description
TRUE	never evaluated
FALSE	never evaluated

;

1489 -

1490 const QSize viewportSize = qq->contentsRect().size(); -

1491 -

1492 bool verticalWantsToShow = contentsSize.height() > viewportSize.height(); -

1493 bool horizontalWantsToShow; -

1494

if (verticalWantsToShow

verticalWantsToShow	Description
TRUE	never evaluated
FALSE	never evaluated

)

1495

horizontalWantsToShow = contentsSize.width() > viewportSize.width() - qq->verticalScrollBar()->width();

never executed: horizontalWantsToShow = contentsSize.width() > viewportSize.width() - qq->verticalScrollBar()->width();

1496 else -

1497

horizontalWantsToShow = contentsSize.width() > viewportSize.width();

never executed: horizontalWantsToShow = contentsSize.width() > viewportSize.width();

1498 -

1499

if (bothScrollBarsAuto

bothScrollBarsAuto	Description
TRUE	never evaluated
FALSE	never evaluated

&& !horizontalWantsToShow

!horizontalWantsToShow	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1500 -

1501 -

1502 horizontalScrollBar()->setRange(0, 0); -

1503

}

never executed: end of block

else {

1504 horizontalScrollBar()->setRange(0, contentsSize.width() - viewport()->width()); -

1505

}

never executed: end of block

1506 } -

1507 -

1508 void QCommonListViewBase::updateVerticalScrollBar(const QSize &step) -

1509 { -

1510 verticalScrollBar()->setSingleStepd_func()->itemviewChangeSingleStep(step.height() + spacing()); -

1511 verticalScrollBar()->setPageStep(viewport()->height()); -

1512 -

1513 -

1514 -

1515 -

1516 -

1517

const bool bothScrollBarsAuto = qq->verticalScrollBarPolicy() == Qt::ScrollBarAsNeeded

qq->verticalSc...ollBarAsNeeded	Description
TRUE	never evaluated
FALSE	never evaluated

1518

qq->horizontalScrollBarPolicy() == Qt::ScrollBarAsNeeded

qq->horizontal...ollBarAsNeeded	Description
TRUE	never evaluated
FALSE	never evaluated

;

1519 -

1520 const QSize viewportSize = qq->contentsRect().size(); -

1521 -

1522 bool horizontalWantsToShow = contentsSize.width() > viewportSize.width(); -

1523 bool verticalWantsToShow; -

1524

if (horizontalWantsToShow

horizontalWantsToShow	Description
TRUE	never evaluated
FALSE	never evaluated

)

1525

verticalWantsToShow = contentsSize.height() > viewportSize.height() - qq->horizontalScrollBar()->height();

never executed: verticalWantsToShow = contentsSize.height() > viewportSize.height() - qq->horizontalScrollBar()->height();

1526 else -

1527

verticalWantsToShow = contentsSize.height() > viewportSize.height();

never executed: verticalWantsToShow = contentsSize.height() > viewportSize.height();

1528 -

1529

if (bothScrollBarsAuto

bothScrollBarsAuto	Description
TRUE	never evaluated
FALSE	never evaluated

&& !verticalWantsToShow

!verticalWantsToShow	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1530 -

1531 -

1532 verticalScrollBar()->setRange(0, 0); -

1533

}

never executed: end of block

else {

1534 verticalScrollBar()->setRange(0, contentsSize.height() - viewport()->height()); -

1535

}

never executed: end of block

1536 } -

1537 -

1538 void QCommonListViewBase::scrollContentsBy(int dx, int dy, bool ) -

1539 { -

1540 dd->scrollContentsBy(isRightToLeft() ? -dx : dx, dy); -

1541 } -

1542 -

1543 int QCommonListViewBase::verticalScrollToValue(int , QListView::ScrollHint hint, -

1544 bool above, bool below, const QRect &area, const QRect &rect) const -

1545 { -

1546 int verticalValue = verticalScrollBar()->value(); -

1547 QRect adjusted = rect.adjusted(-spacing(), -spacing(), spacing(), spacing()); -

1548 if (hint == QListView::PositionAtTop || above) -

1549 verticalValue += adjusted.top(); -

1550 else if (hint == QListView::PositionAtBottom || below) -

1551 verticalValue += qMin(adjusted.top(), adjusted.bottom() - area.height() + 1); -

1552 else if (hint == QListView::PositionAtCenter) -

1553 verticalValue += adjusted.top() - ((area.height() - adjusted.height()) / 2); -

1554 return verticalValue; -

1555 } -

1556 -

1557 int QCommonListViewBase::horizontalOffset() const -

1558 { -

1559 return (isRightToLeft() ? horizontalScrollBar()->maximum() - horizontalScrollBar()->value() : horizontalScrollBar()->value()); -

1560 } -

1561 -

1562 int QCommonListViewBase::horizontalScrollToValue(const int , QListView::ScrollHint hint, -

1563 bool leftOf, bool rightOf, const QRect &area, const QRect &rect) const -

1564 { -

1565 int horizontalValue = horizontalScrollBar()->value(); -

1566 if (isRightToLeft()) { -

1567 if (hint == QListView::PositionAtCenter) { -

1568 horizontalValue += ((area.width() - rect.width()) / 2) - rect.left(); -

1569 } else { -

1570 if (leftOf) -

1571 horizontalValue -= rect.left(); -

1572 else if (rightOf) -

1573 horizontalValue += qMin(rect.left(), area.width() - rect.right()); -

1574 } -

1575 } else { -

1576 if (hint == QListView::PositionAtCenter) { -

1577 horizontalValue += rect.left() - ((area.width()- rect.width()) / 2); -

1578 } else { -

1579 if (leftOf) -

1580 horizontalValue += rect.left(); -

1581 else if (rightOf) -

1582 horizontalValue += qMin(rect.left(), rect.right() - area.width()); -

1583 } -

1584 } -

1585 return horizontalValue; -

1586 } -

1587 -

1588 -

1589 -

1590 -

1591 QListModeViewBase::QListModeViewBase(QListView *q, QListViewPrivate *d) -

1592 : QCommonListViewBase(q, d) -

1593 { -

1594 dd->defaultDropAction = Qt::CopyAction; -

1595 } -

1596 -

1597 -

1598 QAbstractItemView::DropIndicatorPosition QListModeViewBase::position(const QPoint &pos, const QRect &rect, const QModelIndex &index) const -

1599 { -

1600 QAbstractItemView::DropIndicatorPosition r = QAbstractItemView::OnViewport; -

1601 if (!dd->overwrite) { -

1602 const int margin = 2; -

1603 if (pos.x() - rect.left() < margin) { -

1604 r = QAbstractItemView::AboveItem; -

1605 } else if (rect.right() - pos.x() < margin) { -

1606 r = QAbstractItemView::BelowItem; -

1607 } else if (rect.contains(pos, true)) { -

1608 r = QAbstractItemView::OnItem; -

1609 } -

1610 } else { -

1611 QRect touchingRect = rect; -

1612 touchingRect.adjust(-1, -1, 1, 1); -

1613 if (touchingRect.contains(pos, false)) { -

1614 r = QAbstractItemView::OnItem; -

1615 } -

1616 } -

1617 -

1618 if (r == QAbstractItemView::OnItem && (!(dd->model->flags(index) & Qt::ItemIsDropEnabled))) -

1619 r = pos.x() < rect.center().x() ? QAbstractItemView::AboveItem : QAbstractItemView::BelowItem; -

1620 -

1621 return r; -

1622 } -

1623 -

1624 void QListModeViewBase::dragMoveEvent(QDragMoveEvent *event) -

1625 { -

1626 if (qq->dragDropMode() == QAbstractItemView::InternalMove -

1627 && (event->source() != qq || !(event->possibleActions() & Qt::MoveAction))) -

1628 return; -

1629 -

1630 -

1631 event->ignore(); -

1632 -

1633 -

1634 QPoint p = event->pos(); -

1635 QRect rect(p.x() + horizontalOffset(), p.y() + verticalOffset(), 1, 1); -

1636 rect.adjust(-dd->spacing(), -dd->spacing(), dd->spacing(), dd->spacing()); -

1637 const QVector<QModelIndex> intersectVector = dd->intersectingSet(rect); -

1638 QModelIndex index = intersectVector.count() > 0 -

1639 ? intersectVector.last() : QModelIndex(); -

1640 dd->hover = index; -

1641 if (!dd->droppingOnItself(event, index) -

1642 && dd->canDrop(event)) { -

1643 -

1644 if (index.isValid() && dd->showDropIndicator) { -

1645 QRect rect = qq->visualRect(index); -

1646 dd->dropIndicatorPosition = position(event->pos(), rect, index); -

1647 -

1648 switch (dd->dropIndicatorPosition) { -

1649 case QAbstractItemView::AboveItem: -

1650 if (dd->isIndexDropEnabled(index.parent())) { -

1651 dd->dropIndicatorRect = QRect(rect.left()-dd->spacing(), rect.top(), 0, rect.height()); -

1652 event->accept(); -

1653 } else { -

1654 dd->dropIndicatorRect = QRect(); -

1655 } -

1656 break; -

1657 case QAbstractItemView::BelowItem: -

1658 if (dd->isIndexDropEnabled(index.parent())) { -

1659 dd->dropIndicatorRect = QRect(rect.right()+dd->spacing(), rect.top(), 0, rect.height()); -

1660 event->accept(); -

1661 } else { -

1662 dd->dropIndicatorRect = QRect(); -

1663 } -

1664 break; -

1665 case QAbstractItemView::OnItem: -

1666 if (dd->isIndexDropEnabled(index)) { -

1667 dd->dropIndicatorRect = rect; -

1668 event->accept(); -

1669 } else { -

1670 dd->dropIndicatorRect = QRect(); -

1671 } -

1672 break; -

1673 case QAbstractItemView::OnViewport: -

1674 dd->dropIndicatorRect = QRect(); -

1675 if (dd->isIndexDropEnabled(qq->rootIndex())) { -

1676 event->accept(); -

1677 } -

1678 break; -

1679 } -

1680 } else { -

1681 dd->dropIndicatorRect = QRect(); -

1682 dd->dropIndicatorPosition = QAbstractItemView::OnViewport; -

1683 if (dd->isIndexDropEnabled(qq->rootIndex())) { -

1684 event->accept(); -

1685 } -

1686 } -

1687 dd->viewport->update(); -

1688 } -

1689 -

1690 if (dd->shouldAutoScroll(event->pos())) -

1691 qq->startAutoScroll(); -

1692 } -

1693 bool QListModeViewBase::dropOn(QDropEvent *event, int *dropRow, int *dropCol, QModelIndex *dropIndex) -

1694 { -

1695 if (event->isAccepted()) -

1696 return false; -

1697 -

1698 QModelIndex index; -

1699 if (dd->viewport->rect().contains(event->pos())) { -

1700 -

1701 QPoint p = event->pos(); -

1702 QRect rect(p.x() + horizontalOffset(), p.y() + verticalOffset(), 1, 1); -

1703 rect.adjust(-dd->spacing(), -dd->spacing(), dd->spacing(), dd->spacing()); -

1704 const QVector<QModelIndex> intersectVector = dd->intersectingSet(rect); -

1705 index = intersectVector.count() > 0 -

1706 ? intersectVector.last() : QModelIndex(); -

1707 if (!index.isValid()) -

1708 index = dd->root; -

1709 } -

1710 -

1711 -

1712 if (dd->model->supportedDropActions() & event->dropAction()) { -

1713 int row = -1; -

1714 int col = -1; -

1715 if (index != dd->root) { -

1716 dd->dropIndicatorPosition = position(event->pos(), qq->visualRect(index), index); -

1717 switch (dd->dropIndicatorPosition) { -

1718 case QAbstractItemView::AboveItem: -

1719 row = index.row(); -

1720 col = index.column(); -

1721 index = index.parent(); -

1722 break; -

1723 case QAbstractItemView::BelowItem: -

1724 row = index.row() + 1; -

1725 col = index.column(); -

1726 index = index.parent(); -

1727 break; -

1728 case QAbstractItemView::OnItem: -

1729 case QAbstractItemView::OnViewport: -

1730 break; -

1731 } -

1732 } else { -

1733 dd->dropIndicatorPosition = QAbstractItemView::OnViewport; -

1734 } -

1735 *dropIndex = index; -

1736 *dropRow = row; -

1737 *dropCol = col; -

1738 if (!dd->droppingOnItself(event, index)) -

1739 return true; -

1740 } -

1741 return false; -

1742 } -

1743 -

1744 -

1745 -

1746 void QListModeViewBase::updateVerticalScrollBar(const QSize &step) -

1747 { -

1748 if (verticalScrollMode() == QAbstractItemView::ScrollPerItem -

1749 && ((flow() == QListView::TopToBottom && !isWrapping()) -

1750 || (flow() == QListView::LeftToRight && isWrapping()))) { -

1751 const int steps = (flow() == QListView::TopToBottom ? scrollValueMap : segmentPositions).count() - 1; -

1752 if (steps > 0) { -

1753 const int pageSteps = perItemScrollingPageSteps(viewport()->height(), contentsSize.height(), isWrapping()); -

1754 verticalScrollBar()->setSingleStep(1); -

1755 verticalScrollBar()->setPageStep(pageSteps); -

1756 verticalScrollBar()->setRange(0, steps - pageSteps); -

1757 } else { -

1758 verticalScrollBar()->setRange(0, 0); -

1759 } -

1760 -

1761 -

1762 } else { -

1763 QCommonListViewBase::updateVerticalScrollBar(step); -

1764 } -

1765 } -

1766 -

1767 void QListModeViewBase::updateHorizontalScrollBar(const QSize &step) -

1768 { -

1769 if (horizontalScrollMode() == QAbstractItemView::ScrollPerItem -

1770 && ((flow() == QListView::TopToBottom && isWrapping()) -

1771 || (flow() == QListView::LeftToRight && !isWrapping()))) { -

1772 int steps = (flow() == QListView::TopToBottom ? segmentPositions : scrollValueMap).count() - 1; -

1773 if (steps > 0) { -

1774 const int pageSteps = perItemScrollingPageSteps(viewport()->width(), contentsSize.width(), isWrapping()); -

1775 horizontalScrollBar()->setSingleStep(1); -

1776 horizontalScrollBar()->setPageStep(pageSteps); -

1777 horizontalScrollBar()->setRange(0, steps - pageSteps); -

1778 } else { -

1779 horizontalScrollBar()->setRange(0, 0); -

1780 } -

1781 } else { -

1782 QCommonListViewBase::updateHorizontalScrollBar(step); -

1783 } -

1784 } -

1785 -

1786 int QListModeViewBase::verticalScrollToValue(int index, QListView::ScrollHint hint, -

1787 bool above, bool below, const QRect &area, const QRect &rect) const -

1788 { -

1789 if (verticalScrollMode() == QAbstractItemView::ScrollPerItem) { -

1790 int value; -

1791 if (scrollValueMap.isEmpty()) { -

1792 value = 0; -

1793 } else { -

1794 int scrollBarValue = verticalScrollBar()->value(); -

1795 int numHidden = 0; -

1796 for (int i = 0; i < flowPositions.count() - 1 && i <= scrollBarValue; ++i) -

1797 if (isHidden(i)) -

1798 ++numHidden; -

1799 value = qBound(0, scrollValueMap.at(verticalScrollBar()->value()) - numHidden, flowPositions.count() - 1); -

1800 } -

1801 if (above) -

1802 hint = QListView::PositionAtTop; -

1803 else if (below) -

1804 hint = QListView::PositionAtBottom; -

1805 if (hint == QListView::EnsureVisible) -

1806 return value; -

1807 -

1808 return perItemScrollToValue(index, value, area.height(), hint, Qt::Vertical, isWrapping(), rect.height()); -

1809 } -

1810 -

1811 return QCommonListViewBase::verticalScrollToValue(index, hint, above, below, area, rect); -

1812 } -

1813 -

1814 int QListModeViewBase::horizontalOffset() const -

1815 { -

1816 if (horizontalScrollMode() == QAbstractItemView::ScrollPerItem) { -

1817 if (isWrapping()) { -

1818 if (flow() == QListView::TopToBottom && !segmentPositions.isEmpty()) { -

1819 const int max = segmentPositions.count() - 1; -

1820 int currentValue = qBound(0, horizontalScrollBar()->value(), max); -

1821 int position = segmentPositions.at(currentValue); -

1822 int maximumValue = qBound(0, horizontalScrollBar()->maximum(), max); -

1823 int maximum = segmentPositions.at(maximumValue); -

1824 return (isRightToLeft() ? maximum - position : position); -

1825 } -

1826 } else if (flow() == QListView::LeftToRight && !flowPositions.isEmpty()) { -

1827 int position = flowPositions.at(scrollValueMap.at(horizontalScrollBar()->value())); -

1828 int maximum = flowPositions.at(scrollValueMap.at(horizontalScrollBar()->maximum())); -

1829 return (isRightToLeft() ? maximum - position : position); -

1830 } -

1831 } -

1832 return QCommonListViewBase::horizontalOffset(); -

1833 } -

1834 -

1835 int QListModeViewBase::verticalOffset() const -

1836 { -

1837 if (verticalScrollMode() == QAbstractItemView::ScrollPerItem) { -

1838 if (isWrapping()) { -

1839 if (flow() == QListView::LeftToRight && !segmentPositions.isEmpty()) { -

1840 int value = verticalScrollBar()->value(); -

1841 if (value >= segmentPositions.count()) -

1842 return 0; -

1843 return segmentPositions.at(value) - spacing(); -

1844 } -

1845 } else if (flow() == QListView::TopToBottom && !flowPositions.isEmpty()) { -

1846 int value = verticalScrollBar()->value(); -

1847 if (value > scrollValueMap.count()) -

1848 return 0; -

1849 return flowPositions.at(scrollValueMap.at(value)) - spacing(); -

1850 } -

1851 } -

1852 return QCommonListViewBase::verticalOffset(); -

1853 } -

1854 -

1855 int QListModeViewBase::horizontalScrollToValue(int index, QListView::ScrollHint hint, -

1856 bool leftOf, bool rightOf, const QRect &area, const QRect &rect) const -

1857 { -

1858 if (horizontalScrollMode() != QAbstractItemView::ScrollPerItem) -

1859 return QCommonListViewBase::horizontalScrollToValue(index, hint, leftOf, rightOf, area, rect); -

1860 -

1861 int value; -

1862 if (scrollValueMap.isEmpty()) -

1863 value = 0; -

1864 else -

1865 value = qBound(0, scrollValueMap.at(horizontalScrollBar()->value()), flowPositions.count() - 1); -

1866 if (leftOf) -

1867 hint = QListView::PositionAtTop; -

1868 else if (rightOf) -

1869 hint = QListView::PositionAtBottom; -

1870 if (hint == QListView::EnsureVisible) -

1871 return value; -

1872 -

1873 return perItemScrollToValue(index, value, area.width(), hint, Qt::Horizontal, isWrapping(), rect.width()); -

1874 } -

1875 -

1876 void QListModeViewBase::scrollContentsBy(int dx, int dy, bool scrollElasticBand) -

1877 { -

1878 -

1879 const int verticalValue = verticalScrollBar()->value(); -

1880 const int horizontalValue = horizontalScrollBar()->value(); -

1881 const bool vertical = (verticalScrollMode() == QAbstractItemView::ScrollPerItem); -

1882 const bool horizontal = (horizontalScrollMode() == QAbstractItemView::ScrollPerItem); -

1883 -

1884 if (isWrapping()) { -

1885 if (segmentPositions.isEmpty()) -

1886 return; -

1887 const int max = segmentPositions.count() - 1; -

1888 if (horizontal && flow() == QListView::TopToBottom && dx != 0) { -

1889 int currentValue = qBound(0, horizontalValue, max); -

1890 int previousValue = qBound(0, currentValue + dx, max); -

1891 int currentCoordinate = segmentPositions.at(currentValue) - spacing(); -

1892 int previousCoordinate = segmentPositions.at(previousValue) - spacing(); -

1893 dx = previousCoordinate - currentCoordinate; -

1894 } else if (vertical && flow() == QListView::LeftToRight && dy != 0) { -

1895 int currentValue = qBound(0, verticalValue, max); -

1896 int previousValue = qBound(0, currentValue + dy, max); -

1897 int currentCoordinate = segmentPositions.at(currentValue) - spacing(); -

1898 int previousCoordinate = segmentPositions.at(previousValue) - spacing(); -

1899 dy = previousCoordinate - currentCoordinate; -

1900 } -

1901 } else { -

1902 if (flowPositions.isEmpty()) -

1903 return; -

1904 const int max = scrollValueMap.count() - 1; -

1905 if (vertical && flow() == QListView::TopToBottom && dy != 0) { -

1906 int currentValue = qBound(0, verticalValue, max); -

1907 int previousValue = qBound(0, currentValue + dy, max); -

1908 int currentCoordinate = flowPositions.at(scrollValueMap.at(currentValue)); -

1909 int previousCoordinate = flowPositions.at(scrollValueMap.at(previousValue)); -

1910 dy = previousCoordinate - currentCoordinate; -

1911 } else if (horizontal && flow() == QListView::LeftToRight && dx != 0) { -

1912 int currentValue = qBound(0, horizontalValue, max); -

1913 int previousValue = qBound(0, currentValue + dx, max); -

1914 int currentCoordinate = flowPositions.at(scrollValueMap.at(currentValue)); -

1915 int previousCoordinate = flowPositions.at(scrollValueMap.at(previousValue)); -

1916 dx = previousCoordinate - currentCoordinate; -

1917 } -

1918 } -

1919 QCommonListViewBase::scrollContentsBy(dx, dy, scrollElasticBand); -

1920 } -

1921 -

1922 bool QListModeViewBase::doBatchedItemLayout(const QListViewLayoutInfo &info, int max) -

1923 { -

1924 doStaticLayout(info); -

1925 if (batchStartRow > max) { -

1926 flowPositions.resize(flowPositions.count()); -

1927 segmentPositions.resize(segmentPositions.count()); -

1928 segmentStartRows.resize(segmentStartRows.count()); -

1929 return true; -

1930 } -

1931 return false; -

1932 } -

1933 -

1934 QListViewItem QListModeViewBase::indexToListViewItem(const QModelIndex &index) const -

1935 { -

1936 if (flowPositions.isEmpty() -

1937 || segmentPositions.isEmpty() -

1938 || index.row() >= flowPositions.count()) -

1939 return QListViewItem(); -

1940 -

1941 const int segment = qBinarySearch<int>(segmentStartRows, index.row(), -

1942 0, segmentStartRows.count() - 1); -

1943 -

1944 -

1945 QStyleOptionViewItem options = viewOptions(); -

1946 options.rect.setSize(contentsSize); -

1947 QSize size = (uniformItemSizes() && cachedItemSize().isValid()) -

1948 ? cachedItemSize() : itemSize(options, index); -

1949 -

1950 QPoint pos; -

1951 if (flow() == QListView::LeftToRight) { -

1952 pos.setX(flowPositions.at(index.row())); -

1953 pos.setY(segmentPositions.at(segment)); -

1954 } else { -

1955 pos.setY(flowPositions.at(index.row())); -

1956 pos.setX(segmentPositions.at(segment)); -

1957 if (isWrapping()) { -

1958 int right = (segment + 1 >= segmentPositions.count() -

1959 ? contentsSize.width() -

1960 : segmentPositions.at(segment + 1)); -

1961 size.setWidth(right - pos.x()); -

1962 } else { -

1963 size.setWidth(qMax(size.width(), viewport()->width() - 2 * spacing())); -

1964 } -

1965 } -

1966 -

1967 return QListViewItem(QRect(pos, size), index.row()); -

1968 } -

1969 -

1970 QPoint QListModeViewBase::initStaticLayout(const QListViewLayoutInfo &info) -

1971 { -

1972 int x, y; -

1973

if (info.first == 0

info.first == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1974 flowPositions.clear(); -

1975 segmentPositions.clear(); -

1976 segmentStartRows.clear(); -

1977 segmentExtents.clear(); -

1978 scrollValueMap.clear(); -

1979 x = info.bounds.left() + info.spacing; -

1980 y = info.bounds.top() + info.spacing; -

1981 segmentPositions.append(info.flow == QListView::LeftToRight ? y : x); -

1982 segmentStartRows.append(0); -

1983

}

never executed: end of block

else if (info.wrap

info.wrap	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1984

if (info.flow == QListView::LeftToRight

info.flow == Q...w::LeftToRight	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1985 x = batchSavedPosition; -

1986 y = segmentPositions.lastconstLast(); -

1987

}

never executed: end of block

else {

1988 x = segmentPositions.lastconstLast(); -

1989 y = batchSavedPosition; -

1990

}

never executed: end of block

1991 } else { -

1992

if (info.flow == QListView::LeftToRight

info.flow == Q...w::LeftToRight	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1993 x = batchSavedPosition; -

1994 y = info.bounds.top() + info.spacing; -

1995

}

never executed: end of block

else {

1996 x = info.bounds.left() + info.spacing; -

1997 y = batchSavedPosition; -

1998

}

never executed: end of block

1999 } -

2000

return

never executed: return QPoint(x, y);

QPoint(x, y);

never executed: return QPoint(x, y);

2001 } -

2002 -

2003 -

2004 -

2005 -

2006 void QListModeViewBase::doStaticLayout(const QListViewLayoutInfo &info) -

2007 { -

2008 const bool useItemSize = !info.grid.isValid(); -

2009 const QPoint topLeft = initStaticLayout(info); -

2010 QStyleOptionViewItem option = viewOptions(); -

2011 option.rect = info.bounds; -

2012 option.rect.adjust(info.spacing, info.spacing, -info.spacing, -info.spacing); -

2013 -

2014 -

2015 -

2016 -

2017 -

2018 -

2019 -

2020 int segStartPosition; -

2021 int segEndPosition; -

2022 int deltaFlowPosition; -

2023 int deltaSegPosition; -

2024 int deltaSegHint; -

2025 int flowPosition; -

2026 int segPosition; -

2027 -

2028 if (info.flow == QListView::LeftToRight) { -

2029 segStartPosition = info.bounds.left(); -

2030 segEndPosition = info.bounds.width(); -

2031 flowPosition = topLeft.x(); -

2032 segPosition = topLeft.y(); -

2033 deltaFlowPosition = info.grid.width(); -

2034 deltaSegPosition = useItemSize ? batchSavedDeltaSeg : info.grid.height(); -

2035 deltaSegHint = info.grid.height(); -

2036 } else { -

2037 segStartPosition = info.bounds.top(); -

2038 segEndPosition = info.bounds.height(); -

2039 flowPosition = topLeft.y(); -

2040 segPosition = topLeft.x(); -

2041 deltaFlowPosition = info.grid.height(); -

2042 deltaSegPosition = useItemSize ? batchSavedDeltaSeg : info.grid.width(); -

2043 deltaSegHint = info.grid.width(); -

2044 } -

2045 -

2046 for (int row = info.first; row <= info.last; ++row) { -

2047 if (isHidden(row)) { -

2048 flowPositions.append(flowPosition); -

2049 } else { -

2050 -

2051 if (useItemSize) { -

2052 QSize hint = itemSize(option, modelIndex(row)); -

2053 if (info.flow == QListView::LeftToRight) { -

2054 deltaFlowPosition = hint.width() + info.spacing; -

2055 deltaSegHint = hint.height() + info.spacing; -

2056 } else { -

2057 deltaFlowPosition = hint.height() + info.spacing; -

2058 deltaSegHint = hint.width() + info.spacing; -

2059 } -

2060 } -

2061 -

2062 if (info.wrap && (flowPosition + deltaFlowPosition >= segEndPosition)) { -

2063 segmentExtents.append(flowPosition); -

2064 flowPosition = info.spacing + segStartPosition; -

2065 segPosition += deltaSegPosition; -

2066 if (info.wrap) -

2067 segPosition += info.spacing; -

2068 segmentPositions.append(segPosition); -

2069 segmentStartRows.append(row); -

2070 deltaSegPosition = 0; -

2071 } -

2072 -

2073 scrollValueMap.append(flowPositions.count()); -

2074 flowPositions.append(flowPosition); -

2075 -

2076 deltaSegPosition = qMax(deltaSegHint, deltaSegPosition); -

2077 flowPosition += info.spacing + deltaFlowPosition; -

2078 } -

2079 } -

2080 -

2081 batchSavedPosition = flowPosition; -

2082 batchSavedDeltaSeg = deltaSegPosition; -

2083 batchStartRow = info.last + 1; -

2084 if (info.last == info.max) -

2085 flowPosition -= info.spacing; -

2086 -

2087 QRect rect = info.bounds; -

2088 if (info.flow == QListView::LeftToRight) { -

2089 rect.setRight(segmentPositions.count() == 1 ? flowPosition : info.bounds.right()); -

2090 rect.setBottom(segPosition + deltaSegPosition); -

2091 } else { -

2092 rect.setRight(segPosition + deltaSegPosition); -

2093 rect.setBottom(segmentPositions.count() == 1 ? flowPosition : info.bounds.bottom()); -

2094 } -

2095 contentsSize = QSize(rect.right(), rect.bottom()); -

2096 -

2097 if (info.last == info.max) { -

2098 segmentExtents.append(flowPosition); -

2099 scrollValueMap.append(flowPositions.count()); -

2100 flowPositions.append(flowPosition); -

2101 segmentPositions.append(info.wrap ? segPosition + deltaSegPosition : 2147483647); -

2102 } -

2103 -

2104 QRect changedRect(topLeft, rect.bottomRight()); -

2105 if (clipRect().intersects(changedRect)) -

2106 viewport()->update(); -

2107 } -

2108 -

2109 -

2110 -

2111 -

2112 -

2113 -

2114 QVector<QModelIndex> QListModeViewBase::intersectingSet(const QRect &area) const -

2115 { -

2116 QVector<QModelIndex> ret; -

2117 int segStartPosition; -

2118 int segEndPosition; -

2119 int flowStartPosition; -

2120 int flowEndPosition; -

2121 if (flow() == QListView::LeftToRight) { -

2122 segStartPosition = area.top(); -

2123 segEndPosition = area.bottom(); -

2124 flowStartPosition = area.left(); -

2125 flowEndPosition = area.right(); -

2126 } else { -

2127 segStartPosition = area.left(); -

2128 segEndPosition = area.right(); -

2129 flowStartPosition = area.top(); -

2130 flowEndPosition = area.bottom(); -

2131 } -

2132 if (segmentPositions.count() < 2 || flowPositions.isEmpty()) -

2133 return ret; -

2134 -

2135 const int segLast = segmentPositions.count() - 2; -

2136 int seg = qBinarySearch<int>(segmentPositions, segStartPosition, 0, segLast + 1); -

2137 for (; seg <= segLast && segmentPositions.at(seg) <= segEndPosition; ++seg) { -

2138 int first = segmentStartRows.at(seg); -

2139 int last = (seg < segLast ? segmentStartRows.at(seg + 1) : batchStartRow) - 1; -

2140 if (segmentExtents.at(seg) < flowStartPosition) -

2141 continue; -

2142 int row = qBinarySearch<int>(flowPositions, flowStartPosition, first, last); -

2143 for (; row <= last && flowPositions.at(row) <= flowEndPosition; ++row) { -

2144 if (isHidden(row)) -

2145 continue; -

2146 QModelIndex index = modelIndex(row); -

2147 if (index.isValid()) -

2148 ret += index; -

2149 -

2150 -

2151 -

2152 -

2153 } -

2154 } -

2155 return ret; -

2156 } -

2157 -

2158 void QListModeViewBase::dataChanged(const QModelIndex &, const QModelIndex &) -

2159 { -

2160 dd->doDelayedItemsLayout(); -

2161 } -

2162 -

2163 -

2164 QRect QListModeViewBase::mapToViewport(const QRect &rect) const -

2165 { -

2166 if (isWrapping()) -

2167 return rect; -

2168 -

2169 -

2170 QRect result = rect; -

2171 if (flow() == QListView::TopToBottom) { -

2172 result.setLeft(spacing()); -

2173 result.setWidth(qMax(rect.width(), qMax(contentsSize.width(), viewport()->width()) - 2 * spacing())); -

2174 } else { -

2175 result.setTop(spacing()); -

2176 result.setHeight(qMax(rect.height(), qMax(contentsSize.height(), viewport()->height()) - 2 * spacing())); -

2177 } -

2178 return result; -

2179 } -

2180 -

2181 int QListModeViewBase::perItemScrollingPageSteps(int length, int bounds, bool wrap) const -

2182 { -

2183 QVector<int> positions; -

2184

if (wrap

wrap	Description
TRUE	never evaluated
FALSE	never evaluated

)

2185

positions = segmentPositions;

never executed: positions = segmentPositions;

2186

else if (!flowPositions.isEmpty()

!flowPositions.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

2187 positions.reserve(scrollValueMap.size()); -

2188 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(scrollValueMap)>::type> _container_((scrollValueMap)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (int itemShown = *_container_.i; _container_.control; _container_.control = 0) -

2189

positions.append(flowPositions.at(itemShown));

never executed: positions.append(flowPositions.at(itemShown));

2190

}

never executed: end of block

2191

if (positions.isEmpty()

positions.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

|| bounds <= length

bounds <= length	Description
TRUE	never evaluated
FALSE	never evaluated

)

2192

return

never executed: return positions.count();

positions.count();

never executed: return positions.count();

2193

if (uniformItemSizes()

uniformItemSizes()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

2194

for (int i = 1; i < positions.count()

i < positions.count()	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

2195

if (positions.at(i) > 0

positions.at(i) > 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

2196

return

never executed: return length / positions.at(i);

length / positions.at(i);

never executed: return length / positions.at(i);

2197

return

never executed: return 0;

2198 } -

2199 int pageSteps = 0; -

2200 int steps = positions.count() - 1; -

2201 int max = qMax(length, bounds); -

2202 int min = qMin(length, bounds); -

2203 int pos = min - (max - positions.lastconstLast()); -

2204 -

2205

while (pos >= 0

pos >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& steps > 0

steps > 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

2206 pos -= (positions.at(steps) - positions.at(steps - 1)); -

2207

if (pos >= 0

pos >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

2208

never executed: ++pageSteps;

pageSteps;

never executed: ++pageSteps;

2209 --steps; -

2210

}

never executed: end of block

2211 -

2212 -

2213

return

never executed: return qMax(pageSteps, 1);

qMax(pageSteps, 1);

never executed: return qMax(pageSteps, 1);

2214 } -

2215 -

2216 int QListModeViewBase::perItemScrollToValue(int index, int scrollValue, int viewportSize, -

2217 QAbstractItemView::ScrollHint hint, -

2218 Qt::Orientation orientation, bool wrap, int itemExtent) const -

2219 { -

2220 if (index < 0) -

2221 return scrollValue; -

2222 -

2223 itemExtent += spacing(); -

2224 QVector<int> visibleFlowPositions; -

2225 visibleFlowPositions.reserve(flowPositions.count() - 1); -

2226 for (int i = 0; i < flowPositions.count() - 1; i++) { -

2227 if (!isHidden(i)) -

2228 visibleFlowPositions.append(flowPositions.at(i)); -

2229 } -

2230 -

2231 if (!wrap) { -

2232 int topIndex = index; -

2233 const int bottomIndex = topIndex; -

2234 const int bottomCoordinate = visibleFlowPositions.at(index); -

2235 -

2236 while (topIndex > 0 && -

2237 (bottomCoordinate - visibleFlowPositions.at(topIndex - 1) + itemExtent) <= (viewportSize)) { -

2238 topIndex--; -

2239 } -

2240 -

2241 const int itemCount = bottomIndex - topIndex + 1; -

2242 switch (hint) { -

2243 case QAbstractItemView::PositionAtTop: -

2244 return index; -

2245 case QAbstractItemView::PositionAtBottom: -

2246 return index - itemCount + 1; -

2247 case QAbstractItemView::PositionAtCenter: -

2248 return index - (itemCount / 2); -

2249 default: -

2250 break; -

2251 } -

2252 } else { -

2253 Qt::Orientation flowOrientation = (flow() == QListView::LeftToRight -

2254 ? Qt::Horizontal : Qt::Vertical); -

2255 if (flowOrientation == orientation) { -

2256 -

2257 return visibleFlowPositions.at(index); -

2258 } else if (!segmentStartRows.isEmpty()) { -

2259 int segment = qBinarySearch<int>(segmentStartRows, index, 0, segmentStartRows.count() - 1); -

2260 int leftSegment = segment; -

2261 const int rightSegment = leftSegment; -

2262 const int bottomCoordinate = segmentPositions.at(segment); -

2263 -

2264 while (leftSegment > scrollValue && -

2265 (bottomCoordinate - segmentPositions.at(leftSegment-1) + itemExtent) <= (viewportSize)) { -

2266 leftSegment--; -

2267 } -

2268 -

2269 const int segmentCount = rightSegment - leftSegment + 1; -

2270 switch (hint) { -

2271 case QAbstractItemView::PositionAtTop: -

2272 return segment; -

2273 case QAbstractItemView::PositionAtBottom: -

2274 return segment - segmentCount + 1; -

2275 case QAbstractItemView::PositionAtCenter: -

2276 return segment - (segmentCount / 2); -

2277 default: -

2278 break; -

2279 } -

2280 } -

2281 } -

2282 return scrollValue; -

2283 } -

2284 -

2285 void QListModeViewBase::clear() -

2286 { -

2287 flowPositions.clear(); -

2288 segmentPositions.clear(); -

2289 segmentStartRows.clear(); -

2290 segmentExtents.clear(); -

2291 batchSavedPosition = 0; -

2292 batchStartRow = 0; -

2293 batchSavedDeltaSeg = 0; -

2294 } -

2295 -

2296 -

2297 -

2298 -

2299 -

2300 void QIconModeViewBase::setPositionForIndex(const QPoint &position, const QModelIndex &index) -

2301 { -

2302 if (index.row() >= items.count()) -

2303 return; -

2304 const QSize oldContents = contentsSize; -

2305 qq->update(index); -

2306 moveItem(index.row(), position); -

2307 qq->update(index); -

2308 -

2309 if (contentsSize != oldContents) -

2310 dd->viewUpdateGeometries(); -

2311 } -

2312 -

2313 void QIconModeViewBase::appendHiddenRow(int row) -

2314 { -

2315 if (row >= 0 && row < items.count()) -

2316 tree.removeLeaf(items.at(row).rect(), row); -

2317 QCommonListViewBase::appendHiddenRow(row); -

2318 } -

2319 -

2320 void QIconModeViewBase::removeHiddenRow(int row) -

2321 { -

2322 QCommonListViewBase::removeHiddenRow(row); -

2323 if (row >= 0 && row < items.count()) -

2324 tree.insertLeaf(items.at(row).rect(), row); -

2325 } -

2326 -

2327 -

2328 bool QIconModeViewBase::filterStartDrag(Qt::DropActions supportedActions) -

2329 { -

2330 -

2331 -

2332 -

2333 QModelIndexList indexes = dd->selectionModel->selectedIndexes(); -

2334 if (indexes.count() > 0 ) { -

2335 if (viewport()->acceptDrops()) { -

2336 QModelIndexList::ConstIterator it = indexes.constBegin(); -

2337 for (; it != indexes.constEnd(); ++it) -

2338 if (dd->model->flags(*it) & Qt::ItemIsDragEnabled -

2339 && (*it).column() == dd->column) -

2340 draggedItems.push_back(*it); -

2341 } -

2342 -

2343 QRect rect; -

2344 QPixmap pixmap = dd->renderToPixmap(indexes, &rect); -

2345 rect.adjust(horizontalOffset(), verticalOffset(), 0, 0); -

2346 QDrag *drag = new QDrag(qq); -

2347 drag->setMimeData(dd->model->mimeData(indexes)); -

2348 drag->setPixmap(pixmap); -

2349 drag->setHotSpot(dd->pressedPosition - rect.topLeft()); -

2350 Qt::DropAction action = drag->exec(supportedActions, dd->defaultDropAction); -

2351 draggedItems.clear(); -

2352 if (action == Qt::MoveAction) -

2353 dd->clearOrRemove(); -

2354 } -

2355 return true; -

2356 } -

2357 -

2358 bool QIconModeViewBase::filterDropEvent(QDropEvent *e) -

2359 { -

2360

if (e->source() != qq

e->source() != qq	Description
TRUE	never evaluated
FALSE	never evaluated

)

2361

return

never executed: return false;

false;

never executed: return false;

2362 -

2363 const QSize contents = contentsSize; -

2364 QPoint offset(horizontalOffset(), verticalOffset()); -

2365 QPoint end = e->pos() + offset; -

2366

if (qq->acceptDrops()

qq->acceptDrops()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

2367 const Qt::ItemFlags dropableFlags = Qt::ItemIsDropEnabled|Qt::ItemIsEnabled; -

2368 const QVector<QModelIndex> &dropIndices = intersectingSet(QRect(end, QSize(1, 1))); -

2369 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(dropIndices)>::type> _container_((dropIndices)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (const QModelIndex &index = *_container_.i; _container_.control; _container_.control = 0) -

2370

if ((

(index.flags()... dropableFlags	Description
TRUE	never evaluated
FALSE	never evaluated

index.flags() & dropableFlags) == dropableFlags

(index.flags()... dropableFlags	Description
TRUE	never evaluated
FALSE	never evaluated

)

2371

return

never executed: return false;

false;

never executed: return false;

2372

}

never executed: end of block

2373 QPoint start = dd->pressedPosition; -

2374

QPoint delta = (dd->movement == QListView::Snap

dd->movement =...ListView::Snap	Description
TRUE	never evaluated
FALSE	never evaluated

? snapToGrid(end) - snapToGrid(start) : end - start);

2375 const QList<QModelIndex> indexes = dd->selectionModel->selectedIndexes(); -

2376 for (int i = 0; i <const auto &index : indexes.count(); ++i) { -

2377 QModelIndex index = indexes.at(i);QRect rect = dd->rectForIndex(index); -

2378 viewport()->update(dd->mapToViewport(rect, false)); -

2379 QPoint dest = rect.topLeft() + delta; -

2380

if (qq->isRightToLeft()

qq->isRightToLeft()	Description
TRUE	never evaluated
FALSE	never evaluated

)

2381

dest.setX(dd->flipX(dest.x()) - rect.width());

never executed: dest.setX(dd->flipX(dest.x()) - rect.width());

2382 moveItem(index.row(), dest); -

2383 qq->update(index); -

2384

}

never executed: end of block

2385 dd->stopAutoScroll(); -

2386 draggedItems.clear(); -

2387 dd->emitIndexesMoved(indexes); -

2388 e->accept(); -

2389 -

2390

if (contentsSize != contents

contentsSize != contents	Description
TRUE	never evaluated
FALSE	never evaluated

) {

2391

if ((contentsSize.width() <= contents.width()

contentsSize.w...ntents.width()	Description
TRUE	never evaluated
FALSE	never evaluated

2392

|| contentsSize.height() <= contents.height()

contentsSize.h...tents.height()	Description
TRUE	never evaluated
FALSE	never evaluated

)) {

2393 updateContentsSize(); -

2394

}

never executed: end of block

2395 dd->viewUpdateGeometries(); -

2396

}

never executed: end of block

2397

return

never executed: return true;

true;

never executed: return true;

2398 } -

2399 -

2400 bool QIconModeViewBase::filterDragLeaveEvent(QDragLeaveEvent *e) -

2401 { -

2402 viewport()->update(draggedItemsRect()); -

2403 draggedItemsPos = QPoint(-1, -1); -

2404 return QCommonListViewBase::filterDragLeaveEvent(e); -

2405 } -

2406 -

2407 bool QIconModeViewBase::filterDragMoveEvent(QDragMoveEvent *e) -

2408 { -

2409 if (e->source() != qq || !dd->canDrop(e)) -

2410 return false; -

2411 -

2412 -

2413 e->ignore(); -

2414 -

2415 QRect itemsRect = this->itemsRect(draggedItems); -

2416 viewport()->update(itemsRect.translated(draggedItemsDelta())); -

2417 -

2418 draggedItemsPos = e->pos(); -

2419 -

2420 viewport()->update(itemsRect.translated(draggedItemsDelta())); -

2421 -

2422 QModelIndex index; -

2423 if (movement() == QListView::Snap) { -

2424 QRect rect(snapToGrid(e->pos() + offset()), gridSize()); -

2425 const QVector<QModelIndex> intersectVector = intersectingSet(rect); -

2426 index = intersectVector.count() > 0 ? intersectVector.last() : QModelIndex(); -

2427 } else { -

2428 index = qq->indexAt(e->pos()); -

2429 } -

2430 -

2431 if (draggedItems.contains(index)) -

2432 e->accept(); -

2433 else if (dd->model->flags(index) & Qt::ItemIsDropEnabled) -

2434 e->accept(); -

2435 else if (!index.isValid()) -

2436 e->accept(); -

2437 -

2438 -

2439 if (dd->shouldAutoScroll(e->pos())) -

2440 dd->startAutoScroll(); -

2441 return true; -

2442 } -

2443 -

2444 -

2445 void QIconModeViewBase::setRowCount(int rowCount) -

2446 { -

2447 tree.create(qMax(rowCount - hiddenCount(), 0)); -

2448 } -

2449 -

2450 void QIconModeViewBase::scrollContentsBy(int dx, int dy, bool scrollElasticBand) -

2451 { -

2452 if (scrollElasticBand) -

2453 dd->scrollElasticBandBy(isRightToLeft() ? -dx : dx, dy); -

2454 -

2455 QCommonListViewBase::scrollContentsBy(dx, dy, scrollElasticBand); -

2456 if (!draggedItems.isEmpty()) -

2457 viewport()->update(draggedItemsRect().translated(dx, dy)); -

2458 } -

2459 -

2460 void QIconModeViewBase::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) -

2461 { -

2462 if (column() >= topLeft.column() && column() <= bottomRight.column()) { -

2463 QStyleOptionViewItem option = viewOptions(); -

2464 int bottom = qMin(items.count(), bottomRight.row() + 1); -

2465 for (int row = topLeft.row(); row < bottom; ++row) -

2466 items[row].resize(itemSize(option, modelIndex(row))); -

2467 } -

2468 } -

2469 -

2470 bool QIconModeViewBase::doBatchedItemLayout(const QListViewLayoutInfo &info, int max) -

2471 { -

2472 if (info.last >= items.count()) { -

2473 -

2474 QStyleOptionViewItem option = viewOptions(); -

2475 for (int row = items.count(); row <= info.last; ++row) { -

2476 QSize size = itemSize(option, modelIndex(row)); -

2477 QListViewItem item(QRect(0, 0, size.width(), size.height()), row); -

2478 items.append(item); -

2479 } -

2480 doDynamicLayout(info); -

2481 } -

2482 return (batchStartRow > max); -

2483 } -

2484 -

2485 QListViewItem QIconModeViewBase::indexToListViewItem(const QModelIndex &index) const -

2486 { -

2487 if (index.isValid() && index.row() < items.count()) -

2488 return items.at(index.row()); -

2489 return QListViewItem(); -

2490 } -

2491 -

2492 void QIconModeViewBase::initBspTree(const QSize &contents) -

2493 { -

2494 -

2495 int leafCount = tree.leafCount(); -

2496 for (int l = 0; l < leafCount; ++l) -

2497 tree.leaf(l).clear(); -

2498 -

2499 QBspTree::Node::Type type = QBspTree::Node::Both; -

2500 -

2501 if (contents.height() / contents.width() >= 3) -

2502 type = QBspTree::Node::HorizontalPlane; -

2503 else if (contents.width() / contents.height() >= 3) -

2504 type = QBspTree::Node::VerticalPlane; -

2505 -

2506 tree.init(QRect(0, 0, contents.width(), contents.height()), type); -

2507 } -

2508 -

2509 QPoint QIconModeViewBase::initDynamicLayout(const QListViewLayoutInfo &info) -

2510 { -

2511 int x, y; -

2512 if (info.first == 0) { -

2513 x = info.bounds.x() + info.spacing; -

2514 y = info.bounds.y() + info.spacing; -

2515 items.reserve(rowCount() - hiddenCount()); -

2516 } else { -

2517 int idx = info.first - 1; -

2518 while (idx > 0 && !items.at(idx).isValid()) -

2519 --idx; -

2520 const QListViewItem &item = items.at(idx); -

2521 x = item.x; -

2522 y = item.y; -

2523 if (info.flow == QListView::LeftToRight) -

2524 x += (info.grid.isValid() ? info.grid.width() : item.w) + info.spacing; -

2525 else -

2526 y += (info.grid.isValid() ? info.grid.height() : item.h) + info.spacing; -

2527 } -

2528 return QPoint(x, y); -

2529 } -

2530 -

2531 -

2532 -

2533 -

2534 void QIconModeViewBase::doDynamicLayout(const QListViewLayoutInfo &info) -

2535 { -

2536 const bool useItemSize = !info.grid.isValid(); -

2537 const QPoint topLeft = initDynamicLayout(info); -

2538 -

2539 int segStartPosition; -

2540 int segEndPosition; -

2541 int deltaFlowPosition; -

2542 int deltaSegPosition; -

2543 int deltaSegHint; -

2544 int flowPosition; -

2545 int segPosition; -

2546 -

2547 if (info.flow == QListView::LeftToRight) { -

2548 segStartPosition = info.bounds.left() + info.spacing; -

2549 segEndPosition = info.bounds.right(); -

2550 deltaFlowPosition = info.grid.width(); -

2551 deltaSegPosition = (useItemSize ? batchSavedDeltaSeg : info.grid.height()); -

2552 deltaSegHint = info.grid.height(); -

2553 flowPosition = topLeft.x(); -

2554 segPosition = topLeft.y(); -

2555 } else { -

2556 segStartPosition = info.bounds.top() + info.spacing; -

2557 segEndPosition = info.bounds.bottom(); -

2558 deltaFlowPosition = info.grid.height(); -

2559 deltaSegPosition = (useItemSize ? batchSavedDeltaSeg : info.grid.width()); -

2560 deltaSegHint = info.grid.width(); -

2561 flowPosition = topLeft.y(); -

2562 segPosition = topLeft.x(); -

2563 } -

2564 -

2565 if (moved.count() != items.count()) -

2566 moved.resize(items.count()); -

2567 -

2568 QRect rect(QPoint(), topLeft); -

2569 QListViewItem *item = 0; -

2570 for (int row = info.first; row <= info.last; ++row) { -

2571 item = &items[row]; -

2572 if (isHidden(row)) { -

2573 item->invalidate(); -

2574 } else { -

2575 -

2576 if (useItemSize) { -

2577 if (info.flow == QListView::LeftToRight) -

2578 deltaFlowPosition = item->w + info.spacing; -

2579 else -

2580 deltaFlowPosition = item->h + info.spacing; -

2581 } else { -

2582 item->w = qMin<int>(info.grid.width(), item->w); -

2583 item->h = qMin<int>(info.grid.height(), item->h); -

2584 } -

2585 -

2586 -

2587 if (info.wrap -

2588 && flowPosition + deltaFlowPosition > segEndPosition -

2589 && flowPosition > segStartPosition) { -

2590 flowPosition = segStartPosition; -

2591 segPosition += deltaSegPosition; -

2592 if (useItemSize) -

2593 deltaSegPosition = 0; -

2594 } -

2595 -

2596 -

2597 if (useItemSize) { -

2598 if (info.flow == QListView::LeftToRight) -

2599 deltaSegHint = item->h + info.spacing; -

2600 else -

2601 deltaSegHint = item->w + info.spacing; -

2602 deltaSegPosition = qMax(deltaSegPosition, deltaSegHint); -

2603 } -

2604 -

2605 -

2606 -

2607 -

2608 if (!moved.testBit(row)) { -

2609 if (info.flow == QListView::LeftToRight) { -

2610 if (useItemSize) { -

2611 item->x = flowPosition; -

2612 item->y = segPosition; -

2613 } else { -

2614 item->x = flowPosition + ((deltaFlowPosition - item->w) / 2); -

2615 item->y = segPosition; -

2616 } -

2617 } else { -

2618 if (useItemSize) { -

2619 item->y = flowPosition; -

2620 item->x = segPosition; -

2621 } else { -

2622 item->y = flowPosition + ((deltaFlowPosition - item->h) / 2); -

2623 item->x = segPosition; -

2624 } -

2625 } -

2626 } -

2627 -

2628 -

2629 if (useItemSize) -

2630 rect |= item->rect(); -

2631 else if (info.flow == QListView::LeftToRight) -

2632 rect |= QRect(flowPosition, segPosition, deltaFlowPosition, deltaSegPosition); -

2633 else -

2634 rect |= QRect(segPosition, flowPosition, deltaSegPosition, deltaFlowPosition); -

2635 -

2636 -

2637 flowPosition += deltaFlowPosition; -

2638 } -

2639 } -

2640 batchSavedDeltaSeg = deltaSegPosition; -

2641 batchStartRow = info.last + 1; -

2642 bool done = (info.last >= rowCount() - 1); -

2643 -

2644 if (done || !info.bounds.contains(item->rect())) { -

2645 contentsSize = rect.size(); -

2646 if (info.flow == QListView::LeftToRight) -

2647 contentsSize.rheight() += info.spacing; -

2648 else -

2649 contentsSize.rwidth() += info.spacing; -

2650 } -

2651 if (rect.size().isEmpty()) -

2652 return; -

2653 -

2654 int insertFrom = info.first; -

2655 if (done || info.first == 0) { -

2656 initBspTree(rect.size()); -

2657 insertFrom = 0; -

2658 } -

2659 -

2660 for (int row = insertFrom; row <= info.last; ++row) -

2661 tree.insertLeaf(items.at(row).rect(), row); -

2662 -

2663 QRect changedRect(topLeft, rect.bottomRight()); -

2664 if (clipRect().intersects(changedRect)) -

2665 viewport()->update(); -

2666 } -

2667 -

2668 QVector<QModelIndex> QIconModeViewBase::intersectingSet(const QRect &area) const -

2669 { -

2670 QIconModeViewBase *that = const_cast<QIconModeViewBase*>(this); -

2671 QBspTree::Data data(static_cast<void*>(that)); -

2672 QVector<QModelIndex> res; -

2673 that->interSectingVector = &res; -

2674 that->tree.climbTree(area, &QIconModeViewBase::addLeaf, data); -

2675 that->interSectingVector = 0; -

2676 return res; -

2677 } -

2678 -

2679 QRect QIconModeViewBase::itemsRect(const QVector<QModelIndex> &indexes) const -

2680 { -

2681 QVector<QModelIndex>::const_iterator it = indexes.begin(); -

2682 QListViewItem item = indexToListViewItem(*it); -

2683 QRect rect(item.x, item.y, item.w, item.h); -

2684 for (; it != indexes.end(); ++it) { -

2685 item = indexToListViewItem(*it); -

2686 rect |= viewItemRect(item); -

2687 } -

2688 return rect; -

2689 } -

2690 -

2691 int QIconModeViewBase::itemIndex(const QListViewItem &item) const -

2692 { -

2693 if (!item.isValid()) -

2694 return -1; -

2695 int i = item.indexHint; -

2696 if (i < items.count()) { -

2697 if (items.at(i) == item) -

2698 return i; -

2699 } else { -

2700 i = items.count() - 1; -

2701 } -

2702 -

2703 int j = i; -

2704 int c = items.count(); -

2705 bool a = true; -

2706 bool b = true; -

2707 -

2708 while (a || b) { -

2709 if (a) { -

2710 if (items.at(i) == item) { -

2711 items.at(i).indexHint = i; -

2712 return i; -

2713 } -

2714 a = ++i < c; -

2715 } -

2716 if (b) { -

2717 if (items.at(j) == item) { -

2718 items.at(j).indexHint = j; -

2719 return j; -

2720 } -

2721 b = --j > -1; -

2722 } -

2723 } -

2724 return -1; -

2725 } -

2726 -

2727 void QIconModeViewBase::addLeaf(QVector<int> &leaf, const QRect &area, -

2728 uint visited, QBspTree::Data data) -

2729 { -

2730 QListViewItem *vi; -

2731 QIconModeViewBase *_this = static_cast<QIconModeViewBase *>(data.ptr); -

2732 for (int i = 0; i < leaf.count(); ++i) { -

2733 int idx = leaf.at(i); -

2734 if (idx < 0 || idx >= _this->items.count()) -

2735 continue; -

2736 vi = &_this->items[idx]; -

2737 ((!(vi)) ? qt_assert("vi",__FILE__,31403150) : qt_noop()); -

2738 if (vi->isValid() && vi->rect().intersects(area) && vi->visited != visited) { -

2739 QModelIndex index = _this->dd->listViewItemToIndex(*vi); -

2740 ((!(index.isValid())) ? qt_assert("index.isValid()",__FILE__,31433153) : qt_noop()); -

2741 _this->interSectingVector->append(index); -

2742 vi->visited = visited; -

2743 } -

2744 } -

2745 } -

2746 -

2747 void QIconModeViewBase::moveItem(int index, const QPoint &dest) -

2748 { -

2749 -

2750 QListViewItem *item = &items[index]; -

2751 QRect rect = item->rect(); -

2752 -

2753 -

2754 tree.removeLeaf(rect, index); -

2755 item->move(dest); -

2756 tree.insertLeaf(QRect(dest, rect.size()), index); -

2757 -

2758 -

2759 contentsSize = (QRect(QPoint(0, 0), contentsSize)|QRect(dest, rect.size())).size(); -

2760 -

2761 -

2762 if (moved.count() != items.count()) -

2763 moved.resize(items.count()); -

2764 moved.setBit(index, true); -

2765 } -

2766 -

2767 QPoint QIconModeViewBase::snapToGrid(const QPoint &pos) const -

2768 { -

2769 int x = pos.x() - (pos.x() % gridSize().width()); -

2770 int y = pos.y() - (pos.y() % gridSize().height()); -

2771 return QPoint(x, y); -

2772 } -

2773 -

2774 QPoint QIconModeViewBase::draggedItemsDelta() const -

2775 { -

2776 if (movement() == QListView::Snap) { -

2777 QPoint snapdelta = QPoint((offset().x() % gridSize().width()), -

2778 (offset().y() % gridSize().height())); -

2779 return snapToGrid(draggedItemsPos + snapdelta) - snapToGrid(pressedPosition()) - snapdelta; -

2780 } -

2781 return draggedItemsPos - pressedPosition(); -

2782 } -

2783 -

2784 QRect QIconModeViewBase::draggedItemsRect() const -

2785 { -

2786 QRect rect = itemsRect(draggedItems); -

2787 rect.translate(draggedItemsDelta()); -

2788 return rect; -

2789 } -

2790 -

2791 void QListViewPrivate::scrollElasticBandBy(int dx, int dy) -

2792 { -

2793 if (dx > 0) -

2794 elasticBand.moveRight(elasticBand.right() + dx); -

2795 else if (dx < 0) -

2796 elasticBand.moveLeft(elasticBand.left() - dx); -

2797 if (dy > 0) -

2798 elasticBand.moveBottom(elasticBand.bottom() + dy); -

2799 else if (dy < 0) -

2800 elasticBand.moveTop(elasticBand.top() - dy); -

2801 } -

2802 -

2803 void QIconModeViewBase::clear() -

2804 { -

2805 tree.destroy(); -

2806 items.clear(); -

2807 moved.clear(); -

2808 batchStartRow = 0; -

2809 batchSavedDeltaSeg = 0; -

2810 } -

2811 -

2812 void QIconModeViewBase::updateContentsSize() -

2813 { -

2814 QRect bounding; -

2815 for (int i = 0; i < items.count(); ++i) -

2816 bounding |= items.at(i).rect(); -

2817 contentsSize = bounding.size(); -

2818 } -

2819 -

2820 -

2821 -

2822 -

2823 void QListView::currentChanged(const QModelIndex &current, const QModelIndex &previous) -

2824 { -

2825 -

2826 if (QAccessible::isActive()) { -

2827 if (current.isValid()) { -

2828 int entry = visualIndex(current); -

2829 QAccessibleEvent event(this, QAccessible::Focus); -

2830 event.setChild(entry); -

2831 QAccessible::updateAccessibility(&event); -

2832 } -

2833 } -

2834 -

2835 QAbstractItemView::currentChanged(current, previous); -

2836 } -

2837 -

2838 -

2839 -

2840 -

2841 void QListView::selectionChanged(const QItemSelection &selected, -

2842 const QItemSelection &deselected) -

2843 { -

2844 -

2845 if (QAccessible::isActive()) { -

2846 -

2847 QModelIndex sel = selected.indexes().value(0); -

2848 if (sel.isValid()) { -

2849 int entry = visualIndex(sel); -

2850 QAccessibleEvent event(this, QAccessible::SelectionAdd); -

2851 event.setChild(entry); -

2852 QAccessible::updateAccessibility(&event); -

2853 } -

2854 QModelIndex desel = deselected.indexes().value(0); -

2855 if (desel.isValid()) { -

2856 int entry = visualIndex(desel); -

2857 QAccessibleEvent event(this, QAccessible::SelectionRemove); -

2858 event.setChild(entry); -

2859 QAccessible::updateAccessibility(&event); -

2860 } -

2861 } -

2862 -

2863 QAbstractItemView::selectionChanged(selected, deselected); -

2864 } -

2865 -

2866 int QListView::visualIndex(const QModelIndex &index) const -

2867 { -

2868 const QListViewPrivate * const d = d_func(); -

2869 d->executePostedLayout(); -

2870 QListViewItem itm = d->indexToListViewItem(index); -

2871 int visualIndex = d->commonListView->itemIndex(itm); -

2872 for (int row = 0; row <= index.row() && visualIndex >= 0; row++) { -

2873 if (d->isHidden(row)) -

2874 visualIndex--; -

2875 } -

2876 return visualIndex; -

2877 } -

2878 -

2879 -

2880 -

2881 -

2882 -

2883 -

2884 QSize QListView::viewportSizeHint() const -

2885 { -

2886 return QAbstractItemView::viewportSizeHint(); -

2887 } -

2888 -

2889 -

2890 -

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