qprintpreviewwidget.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/printsupport/widgets/qprintpreviewwidget.cpp

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1 -

2 -

3 -

4 -

5 -

6 -

7 namespace { -

8 class PageItem : public QGraphicsItem -

9 { -

10 public: -

11 PageItem(int _pageNum, const QPicture* _pagePicture, QSize _paperSize, QRect _pageRect) -

12 : pageNum(_pageNum), pagePicture(_pagePicture), -

13 paperSize(_paperSize), pageRect(_pageRect) -

14 { -

15 qreal border = qMax(paperSize.height(), paperSize.width()) / 25; -

16 brect = QRectF(QPointF(-border, -border), -

17 QSizeF(paperSize)+QSizeF(2*border, 2*border)); -

18 setCacheMode(DeviceCoordinateCache); -

19 } -

20 -

21 QRectF boundingRect() const override -

22 { return brect; } -

23 -

24 inline int pageNumber() const -

25 { return pageNum; } -

26 -

27 void paint(QPainter *painter, const QStyleOptionGraphicsItem *item, QWidget *widget) override; -

28 -

29 private: -

30 int pageNum; -

31 const QPicture* pagePicture; -

32 QSize paperSize; -

33 QRect pageRect; -

34 QRectF brect; -

35 }; -

36 -

37 void PageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -

38 { -

39 (void)widget;; -

40 QRectF paperRect(0,0, paperSize.width(), paperSize.height()); -

41 -

42 -

43 painter->setClipRect(option->exposedRect); -

44 qreal shWidth = paperRect.width()/100; -

45 QRectF rshadow(paperRect.topRight() + QPointF(0, shWidth), -

46 paperRect.bottomRight() + QPointF(shWidth, 0)); -

47 QLinearGradient rgrad(rshadow.topLeft(), rshadow.topRight()); -

48 rgrad.setColorAt(0.0, QColor(0,0,0,255)); -

49 rgrad.setColorAt(1.0, QColor(0,0,0,0)); -

50 painter->fillRect(rshadow, QBrush(rgrad)); -

51 QRectF bshadow(paperRect.bottomLeft() + QPointF(shWidth, 0), -

52 paperRect.bottomRight() + QPointF(0, shWidth)); -

53 QLinearGradient bgrad(bshadow.topLeft(), bshadow.bottomLeft()); -

54 bgrad.setColorAt(0.0, QColor(0,0,0,255)); -

55 bgrad.setColorAt(1.0, QColor(0,0,0,0)); -

56 painter->fillRect(bshadow, QBrush(bgrad)); -

57 QRectF cshadow(paperRect.bottomRight(), -

58 paperRect.bottomRight() + QPointF(shWidth, shWidth)); -

59 QRadialGradient cgrad(cshadow.topLeft(), shWidth, cshadow.topLeft()); -

60 cgrad.setColorAt(0.0, QColor(0,0,0,255)); -

61 cgrad.setColorAt(1.0, QColor(0,0,0,0)); -

62 painter->fillRect(cshadow, QBrush(cgrad)); -

63 -

64 painter->setClipRect(paperRect & option->exposedRect); -

65 painter->fillRect(paperRect, Qt::white); -

66 if (!pagePicture) -

67 return; -

68 painter->drawPicture(pageRect.topLeft(), *pagePicture); -

69 -

70 -

71 QPainterPath path; -

72 path.addRect(paperRect); -

73 path.addRect(pageRect); -

74 painter->setPen(QPen(Qt::NoPen)); -

75 painter->setBrush(QColor(255, 255, 255, 180)); -

76 painter->drawPath(path); -

77 } -

78 -

79 class GraphicsView : public QGraphicsView -

80 { -

81 public: template <typename ThisObject> inline void qt_check_for_QOBJECT_macro(const ThisObject &_q_argument) const { int i = qYouForgotTheQ_OBJECT_Macro(this, &_q_argument); i = i + 1; } -

82 #pragma GCC diagnostic push -

83 static const QMetaObject staticMetaObject; virtual const QMetaObject *metaObject() const; virtual void *qt_metacast(const char *); virtual int qt_metacall(QMetaObject::Call, int, void **); static inline QString tr(const char *s, const char *c = nullptr, int n = -1) { return staticMetaObject.tr(s, c, n); } __attribute__ ((__deprecated__)) static inline QString trUtf8(const char *s, const char *c = nullptr, int n = -1) { return staticMetaObject.tr(s, c, n); } private: __attribute__((visibility("hidden"))) static void qt_static_metacall(QObject *, QMetaObject::Call, int, void **); -

84 #pragma GCC diagnostic pop -

85 struct QPrivateSignal {}; -

86 public: -

87 GraphicsView(QWidget* parent = 0) -

88 : QGraphicsView(parent) -

89 { -

90 -

91 -

92 -

93 } -

94 public : -

95 void resized(); -

96 -

97 protected: -

98 void resizeEvent(QResizeEvent* e) override -

99 { -

100 { -

101 const QSignalBlocker blocker(verticalScrollBar()); -

102 QGraphicsView::resizeEvent(e); -

103 } -

104 resized(); -

105 } -

106 -

107 void showEvent(QShowEvent* e) override -

108 { -

109 QGraphicsView::showEvent(e); -

110 resized(); -

111 } -

112 }; -

113 -

114 } -

115 -

116 class QPrintPreviewWidgetPrivate : public QWidgetPrivate -

117 { -

118 inline QPrintPreviewWidget* q_func() { return static_cast<QPrintPreviewWidget *>(q_ptr); } inline const QPrintPreviewWidget* q_func() const { return static_cast<const QPrintPreviewWidget *>(q_ptr); } friend class QPrintPreviewWidget; -

119 public: -

120 QPrintPreviewWidgetPrivate() -

121 : scene(0), curPage(1), -

122 viewMode(QPrintPreviewWidget::SinglePageView), -

123 zoomMode(QPrintPreviewWidget::FitInView), -

124 zoomFactor(1), initialized(false), fitting(true) -

125 {} -

126 -

127 -

128 void _q_fit(bool doFitting = false); -

129 void _q_updateCurrentPage(); -

130 -

131 void init(); -

132 void populateScene(); -

133 void layoutPages(); -

134 void generatePreview(); -

135 void setCurrentPage(int pageNumber); -

136 void zoom(qreal zoom); -

137 void setZoomFactor(qreal zoomFactor); -

138 int calcCurrentPage(); -

139 -

140 GraphicsView *graphicsView; -

141 QGraphicsScene *scene; -

142 -

143 int curPage; -

144 QList<const QPicture *> pictures; -

145 QList<QGraphicsItem *> pages; -

146 -

147 QPrintPreviewWidget::ViewMode viewMode; -

148 QPrintPreviewWidget::ZoomMode zoomMode; -

149 qreal zoomFactor; -

150 bool ownPrinter; -

151 QPrinter* printer; -

152 bool initialized; -

153 bool fitting; -

154 }; -

155 -

156 void QPrintPreviewWidgetPrivate::_q_fit(bool doFitting) -

157 { -

158 QPrintPreviewWidget * const q = q_func(); -

159 -

160

if (curPage < 1

curPage < 1	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

|| curPage > pages.count()

curPage > pages.count()	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

)

0-4

161

return;

never executed: return;

162 -

163

if (!doFitting

!doFitting	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter
FALSE	never evaluated

&& !fitting

!fitting	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

)

0-4

164

return;

never executed: return;

165 -

166

if (doFitting

doFitting	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

&& fitting

fitting	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0-4

167 QRect viewRect = graphicsView->viewport()->rect(); -

168

if (zoomMode == QPrintPreviewWidget::FitInView

zoomMode == QP...get::FitInView	Description
TRUE	never evaluated
FALSE	never evaluated

) {

169 const QList<QGraphicsItem*> containedItems = graphicsView->items(viewRect, Qt::ContainsItemBoundingRect); -

170 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(containedItems)>::type> _container_((containedItems)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1)for (QGraphicsItem* item = *_container_.i; _container_.control; _container_.control = 0: containedItems) { -

171 PageItem* pg = static_cast<PageItem*>(item); -

172

if (pg->pageNumber() == curPage

pg->pageNumber() == curPage	Description
TRUE	never evaluated
FALSE	never evaluated

)

173

return;

never executed: return;

174

}

never executed: end of block

175

}

never executed: end of block

176 -

177 int newPage = calcCurrentPage(); -

178

if (newPage != curPage

newPage != curPage	Description
TRUE	never evaluated
FALSE	never evaluated

)

179

curPage = newPage;

never executed: curPage = newPage;

180

}

never executed: end of block

181 -

182 QRectF target = pages.at(curPage-1)->sceneBoundingRect(); -

183

if (viewMode == QPrintPreviewWidget::FacingPagesView

viewMode == QP...acingPagesView	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

) {

0-4

184 -

185

if (curPage % 2

curPage % 2	Description
TRUE	never evaluated
FALSE	never evaluated

)

186

target.setLeft(target.left() - target.width());

never executed: target.setLeft(target.left() - target.width());

187 else -

188

target.setRight(target.right() + target.width());

never executed: target.setRight(target.right() + target.width());

189

} else if (viewMode == QPrintPreviewWidget::AllPagesView

viewMode == QP...::AllPagesView	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

) {

0-4

190 target = scene->itemsBoundingRect(); -

191

}

never executed: end of block

192 -

193

if (zoomMode == QPrintPreviewWidget::FitToWidth

zoomMode == QP...et::FitToWidth	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter

) {

0-4

194 QTransform t; -

195 qreal scale = graphicsView->viewport()->width() / target.width(); -

196 t.scale(scale, scale); -

197 graphicsView->setTransform(t); -

198

if (doFitting

doFitting	Description
TRUE	never evaluated
FALSE	never evaluated

&& fitting

fitting	Description
TRUE	never evaluated
FALSE	never evaluated

) {

199 QRectF viewSceneRect = graphicsView->viewportTransform().mapRect(graphicsView->viewport()->rect()); -

200 viewSceneRect.moveTop(target.top()); -

201 graphicsView->ensureVisible(viewSceneRect); -

202

}

never executed: end of block

203

}

never executed: end of block

else {

204 graphicsView->fitInView(target, Qt::KeepAspectRatio); -

205

if (zoomMode == QPrintPreviewWidget::FitInView

zoomMode == QP...get::FitInView	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_QPrinter
FALSE	never evaluated

) {

0-4

206 int step = qRound(graphicsView->matrix().mapRect(target).height()); -

207 graphicsView->verticalScrollBar()->setSingleStep(step); -

208 graphicsView->verticalScrollBar()->setPageStep(step); -

209

}

executed 4 times by 1 test: end of block

Executed by:

tst_QPrinter

210

}

executed 4 times by 1 test: end of block

Executed by:

tst_QPrinter

211 -

212 zoomFactor = graphicsView->transform().m11() * (float(printer->logicalDpiY()) / q->logicalDpiY()); -

213 q->previewChanged(); -

214

}

executed 4 times by 1 test: end of block

Executed by:

tst_QPrinter

215 -

216 void QPrintPreviewWidgetPrivate::_q_updateCurrentPage() -

217 { -

218 QPrintPreviewWidget * const q = q_func(); -

219 -

220 if (viewMode == QPrintPreviewWidget::AllPagesView) -

221 return; -

222 -

223 int newPage = calcCurrentPage(); -

224 if (newPage != curPage) { -

225 curPage = newPage; -

226 q->previewChanged(); -

227 } -

228 } -

229 -

230 int QPrintPreviewWidgetPrivate::calcCurrentPage() -

231 { -

232 int maxArea = 0; -

233 int newPage = curPage; -

234 QRect viewRect = graphicsView->viewport()->rect(); -

235 const QList<QGraphicsItem*> items = graphicsView->items(viewRect); -

236 for (int i=0; i<auto *item : items.size(); ++i) { -

237 PageItem* pg = static_cast<PageItem*>(items.at(i));item); -

238 QRect overlap = graphicsView->mapFromScene(pg->sceneBoundingRect()).boundingRect() & viewRect; -

239 int area = overlap.width() * overlap.height(); -

240

if (area > maxArea

area > maxArea	Description
TRUE	evaluated 17 times by 1 test Evaluated by: tst_QPrinter
FALSE	evaluated 3 times by 1 test Evaluated by: tst_QPrinter

) {

3-17

241 maxArea = area; -

242 newPage = pg->pageNumber(); -

243

}

executed 17 times by 1 test: end of block

Executed by:

tst_QPrinter

else if (area == maxArea

area == maxArea	Description
TRUE	never evaluated
FALSE	evaluated 3 times by 1 test Evaluated by: tst_QPrinter

&& pg->pageNumber() < newPage

pg->pageNumber() < newPage	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0-17

244 newPage = pg->pageNumber(); -

245

}

never executed: end of block

246

}

executed 20 times by 1 test: end of block

Executed by:

tst_QPrinter

247

return

executed 11 times by 1 test: return newPage;

Executed by:

tst_QPrinter

newPage;

executed 11 times by 1 test: return newPage;

Executed by:

tst_QPrinter

248 } -

249 -

250 void QPrintPreviewWidgetPrivate::init() -

251 { -

252 QPrintPreviewWidget * const q = q_func(); -

253 -

254 graphicsView = new GraphicsView; -

255 graphicsView->setInteractive(false); -

256 graphicsView->setDragMode(QGraphicsView::ScrollHandDrag); -

257 graphicsView->setViewportUpdateMode(QGraphicsView::SmartViewportUpdate); -

258 QObject::connect(graphicsView->verticalScrollBar(), qFlagLocation("2""valueChanged(int)" "\0" __FILE__ ":" "315""321"), -

259 q, qFlagLocation("1""_q_updateCurrentPage()" "\0" __FILE__ ":" "316""322")); -

260 QObject::connect(graphicsView, qFlagLocation("2""resized()" "\0" __FILE__ ":" "317""323"), q, qFlagLocation("1""_q_fit()" "\0" __FILE__ ":" "317""323")); -

261 -

262 scene = new QGraphicsScene(graphicsView); -

263 scene->setBackgroundBrush(Qt::gray); -

264 graphicsView->setScene(scene); -

265 -

266 QVBoxLayout *layout = new QVBoxLayout; -

267 q->setLayout(layout); -

268 layout->setContentsMargins(0, 0, 0, 0); -

269 layout->addWidget(graphicsView); -

270 } -

271 -

272 void QPrintPreviewWidgetPrivate::populateScene() -

273 { -

274 -

275 for (int i = 0; i <auto *page : qAsConst(pages.size(); i++))) -

276

scene->removeItem(pages.at(i));page);

never executed: scene->removeItem(page);

277 qDeleteAll(pages); -

278 pages.clear(); -

int numPages = pictures.count();

279 -

280 QSize paperSize = printer->pageLayout().fullRectPixels(printer->resolution()).size(); -

281 QRect pageRect = printer->pageLayout().paintRectPixels(printer->resolution()); -

282 -

283 for (int ipage = 0; i < numPages1; -

284 i++)for (auto *picture : qAsConst(pictures)) { -

285 PageItem* item = new PageItem(i+1page++, picture,pictures.at(i), paperSize, pageRect); -

286 scene->addItem(item); -

287 pages.append(item); -

288

}

executed 4 times by 1 test: end of block

Executed by:

tst_QPrinter

289

}

executed 1 time by 1 test: end of block

Executed by:

tst_QPrinter

290 -

291 void QPrintPreviewWidgetPrivate::layoutPages() -

292 { -

293 int numPages = pages.count(); -

294 if (numPages < 1) -

295 return; -

296 -

297 int numPagePlaces = numPages; -

298 int cols = 1; -

299 if (viewMode == QPrintPreviewWidget::AllPagesView) { -

300 if (printer->orientation() == QPrinter::Portrait) -

301 cols = qCeil(qSqrt((float) numPages)); -

302 else -

303 cols = qFloor(qSqrt((float) numPages)); -

304 cols += cols % 2; -

305 } -

306 else if (viewMode == QPrintPreviewWidget::FacingPagesView) { -

307 cols = 2; -

308 numPagePlaces += 1; -

309 } -

310 int rows = qCeil(qreal(numPagePlaces) / cols); -

311 -

312 qreal itemWidth = pages.at(0)->boundingRect().width(); -

313 qreal itemHeight = pages.at(0)->boundingRect().height(); -

314 int pageNum = 1; -

315 for (int i = 0; i < rows && pageNum <= numPages; i++) { -

316 for (int j = 0; j < cols && pageNum <= numPages; j++) { -

317 if (!i && !j && viewMode == QPrintPreviewWidget::FacingPagesView) { -

318 -

319 continue; -

320 } else { -

321 pages.at(pageNum-1)->setPos(QPointF(j*itemWidth, i*itemHeight)); -

322 pageNum++; -

323 } -

324 } -

325 } -

326 scene->setSceneRect(scene->itemsBoundingRect()); -

327 } -

328 -

329 void QPrintPreviewWidgetPrivate::generatePreview() -

330 { -

331 -

332 -

333 -

334 -

335 -

336 -

337 QPrintPreviewWidget * const q = q_func(); -

338 printer->d_func()->setPreviewMode(true); -

339 q->paintRequested(printer); -

340 printer->d_func()->setPreviewMode(false); -

341 pictures = printer->d_func()->previewPages(); -

342 populateScene(); -

343 layoutPages(); -

344 curPage = qBound(1, curPage, pages.count()); -

345 if (fitting) -

346 _q_fit(); -

347 q->previewChanged(); -

348 } -

349 -

350 void QPrintPreviewWidgetPrivate::setCurrentPage(int pageNumber) -

351 { -

352 if (pageNumber < 1 || pageNumber > pages.count()) -

353 return; -

354 -

355 int lastPage = curPage; -

356 curPage = pageNumber; -

357 -

358 if (lastPage != curPage && lastPage > 0 && lastPage <= pages.count()) { -

359 if (zoomMode != QPrintPreviewWidget::FitInView) { -

360 QScrollBar *hsc = graphicsView->horizontalScrollBar(); -

361 QScrollBar *vsc = graphicsView->verticalScrollBar(); -

362 QPointF pt = graphicsView->transform().map(pages.at(curPage-1)->pos()); -

363 vsc->setValue(int(pt.y()) - 10); -

364 hsc->setValue(int(pt.x()) - 10); -

365 } else { -

366 graphicsView->centerOn(pages.at(curPage-1)); -

367 } -

368 } -

369 } -

370 -

371 void QPrintPreviewWidgetPrivate::zoom(qreal zoom) -

372 { -

373 zoomFactor *= zoom; -

374 graphicsView->scale(zoom, zoom); -

375 } -

376 -

377 void QPrintPreviewWidgetPrivate::setZoomFactor(qreal _zoomFactor) -

378 { -

379 QPrintPreviewWidget * const q = q_func(); -

380 zoomFactor = _zoomFactor; -

381 graphicsView->resetTransform(); -

382 int dpi_y = q->logicalDpiY(); -

383 int printer_dpi_y = printer->logicalDpiY(); -

384 graphicsView->scale(zoomFactor*(dpi_y/float(printer_dpi_y)), -

385 zoomFactor*(dpi_y/float(printer_dpi_y))); -

386 } -

387 QPrintPreviewWidget::QPrintPreviewWidget(QPrinter *printer, QWidget *parent, Qt::WindowFlags flags) -

388 : QWidget(*new QPrintPreviewWidgetPrivate, parent, flags) -

389 { -

390 QPrintPreviewWidgetPrivate * const d = d_func(); -

391 d->printer = printer; -

392 d->ownPrinter = false; -

393 d->init(); -

394 } -

395 QPrintPreviewWidget::QPrintPreviewWidget(QWidget *parent, Qt::WindowFlags flags) -

396 : QWidget(*new QPrintPreviewWidgetPrivate, parent, flags) -

397 { -

398 QPrintPreviewWidgetPrivate * const d = d_func(); -

399 d->printer = new QPrinter; -

400 d->ownPrinter = true; -

401 d->init(); -

402 } -

403 -

404 -

405 -

406 -

407 -

408 QPrintPreviewWidget::~QPrintPreviewWidget() -

409 { -

410 QPrintPreviewWidgetPrivate * const d = d_func(); -

411 if (d->ownPrinter) -

412 delete d->printer; -

413 } -

414 -

415 -

416 -

417 -

418 QPrintPreviewWidget::ViewMode QPrintPreviewWidget::viewMode() const -

419 { -

420 const QPrintPreviewWidgetPrivate * const d = d_func(); -

421 return d->viewMode; -

422 } -

423 -

424 -

425 -

426 -

427 -

428 void QPrintPreviewWidget::setViewMode(ViewMode mode) -

429 { -

430 QPrintPreviewWidgetPrivate * const d = d_func(); -

431 d->viewMode = mode; -

432 d->layoutPages(); -

433 if (d->viewMode == AllPagesView) { -

434 d->graphicsView->fitInView(d->scene->itemsBoundingRect(), Qt::KeepAspectRatio); -

435 d->fitting = false; -

436 d->zoomMode = QPrintPreviewWidget::CustomZoom; -

437 d->zoomFactor = d->graphicsView->transform().m11() * (float(d->printer->logicalDpiY()) / logicalDpiY()); -

438 previewChanged(); -

439 } else { -

440 d->fitting = true; -

441 d->_q_fit(); -

442 } -

443 } -

444 -

445 -

446 -

447 -

448 -

449 QPrinter::Orientation QPrintPreviewWidget::orientation() const -

450 { -

451 const QPrintPreviewWidgetPrivate * const d = d_func(); -

452 return d->printer->orientation(); -

453 } -

454 -

455 -

456 -

457 -

458 -

459 void QPrintPreviewWidget::setOrientation(QPrinter::Orientation orientation) -

460 { -

461 QPrintPreviewWidgetPrivate * const d = d_func(); -

462 d->printer->setOrientation(orientation); -

463 d->generatePreview(); -

464 } -

465 -

466 -

467 -

468 -

469 void QPrintPreviewWidget::print() -

470 { -

471 QPrintPreviewWidgetPrivate * const d = d_func(); -

472 -

473 paintRequested(d->printer); -

474 } -

475 -

476 -

477 -

478 -

479 -

480 void QPrintPreviewWidget::zoomIn(qreal factor) -

481 { -

482 QPrintPreviewWidgetPrivate * const d = d_func(); -

483 d->fitting = false; -

484 d->zoomMode = QPrintPreviewWidget::CustomZoom; -

485 d->zoom(factor); -

486 } -

487 -

488 -

489 -

490 -

491 -

492 void QPrintPreviewWidget::zoomOut(qreal factor) -

493 { -

494 QPrintPreviewWidgetPrivate * const d = d_func(); -

495 d->fitting = false; -

496 d->zoomMode = QPrintPreviewWidget::CustomZoom; -

497 d->zoom(1/factor); -

498 } -

499 -

500 -

501 -

502 -

503 qreal QPrintPreviewWidget::zoomFactor() const -

504 { -

505 const QPrintPreviewWidgetPrivate * const d = d_func(); -

506 return d->zoomFactor; -

507 } -

508 void QPrintPreviewWidget::setZoomFactor(qreal factor) -

509 { -

510 QPrintPreviewWidgetPrivate * const d = d_func(); -

511 d->fitting = false; -

512 d->zoomMode = QPrintPreviewWidget::CustomZoom; -

513 d->setZoomFactor(factor); -

514 } -

515 -

516 -

517 -

518 -

519 -

520 int QPrintPreviewWidget::pageCount() const -

521 { -

522 const QPrintPreviewWidgetPrivate * const d = d_func(); -

523 return d->pages.size(); -

524 } -

525 -

526 -

527 -

528 -

529 int QPrintPreviewWidget::currentPage() const -

530 { -

531 const QPrintPreviewWidgetPrivate * const d = d_func(); -

532 return d->curPage; -

533 } -

534 -

535 -

536 -

537 -

538 -

539 void QPrintPreviewWidget::setCurrentPage(int page) -

540 { -

541 QPrintPreviewWidgetPrivate * const d = d_func(); -

542 d->setCurrentPage(page); -

543 } -

544 -

545 -

546 -

547 -

548 -

549 void QPrintPreviewWidget::fitToWidth() -

550 { -

551 setZoomMode(FitToWidth); -

552 } -

553 -

554 -

555 -

556 -

557 -

558 void QPrintPreviewWidget::fitInView() -

559 { -

560 setZoomMode(FitInView); -

561 } -

562 -

563 -

564 -

565 -

566 -

567 -

568 void QPrintPreviewWidget::setZoomMode(QPrintPreviewWidget::ZoomMode zoomMode) -

569 { -

570 QPrintPreviewWidgetPrivate * const d = d_func(); -

571 d->zoomMode = zoomMode; -

572 if (d->zoomMode == FitInView || d->zoomMode == FitToWidth) { -

573 d->fitting = true; -

574 d->_q_fit(true); -

575 } else { -

576 d->fitting = false; -

577 } -

578 } -

579 -

580 -

581 -

582 -

583 -

584 -

585 QPrintPreviewWidget::ZoomMode QPrintPreviewWidget::zoomMode() const -

586 { -

587 const QPrintPreviewWidgetPrivate * const d = d_func(); -

588 return d->zoomMode; -

589 } -

590 -

591 -

592 -

593 -

594 -

595 void QPrintPreviewWidget::setLandscapeOrientation() -

596 { -

597 setOrientation(QPrinter::Landscape); -

598 } -

599 -

600 -

601 -

602 -

603 -

604 void QPrintPreviewWidget::setPortraitOrientation() -

605 { -

606 setOrientation(QPrinter::Portrait); -

607 } -

608 -

609 -

610 -

611 -

612 -

613 void QPrintPreviewWidget::setSinglePageViewMode() -

614 { -

615 setViewMode(SinglePageView); -

616 } -

617 -

618 -

619 -

620 -

621 -

622 void QPrintPreviewWidget::setFacingPagesViewMode() -

623 { -

624 setViewMode(FacingPagesView); -

625 } -

626 -

627 -

628 -

629 -

630 -

631 void QPrintPreviewWidget::setAllPagesViewMode() -

632 { -

633 setViewMode(AllPagesView); -

634 } -

635 -

636 -

637 -

638 -

639 -

640 -

641 void QPrintPreviewWidget::updatePreview() -

642 { -

643 QPrintPreviewWidgetPrivate * const d = d_func(); -

644 d->initialized = true; -

645 d->generatePreview(); -

646 d->graphicsView->updateGeometry(); -

647 } -

648 -

649 -

650 -

651 void QPrintPreviewWidget::setVisible(bool visible) -

652 { -

653 QPrintPreviewWidgetPrivate * const d = d_func(); -

654 if (visible && !d->initialized) -

655 updatePreview(); -

656 QWidget::setVisible(visible); -

657 } -

658 -

659 -

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