qformlayout.cpp

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1 -

2 -

3 -

4 namespace { -

5 -

6 -

7 template <class T, int NumColumns> -

8 class FixedColumnMatrix { -

9 public: -

10 typedef QVector<T> Storage; -

11 -

12 FixedColumnMatrix() { } -

13 -

14 void clear() { m_storage.clear(); } -

15 -

16 const T &operator()(int r, int c) const { return m_storage[r * NumColumns + c]; } -

17 T &operator()(int r, int c) { return m_storage[r * NumColumns + c]; } -

18 -

19 int rowCount() const { return m_storage.size() / NumColumns; } -

20 void addRow(const T &value); -

voidinsertRow(int r, const T &value);

void removeRow(int r);

bool find(const T &value, int *rowPtr, int *colPtr) const ;

int count(const T &value) const { return m_storage.count(value);

21 -

22 -

23 }const Storage &storage() const { return m_storage; } -

24 -

25 static void storageIndexToPosition(int idx, int *rowPtr, int *colPtr); -

26 -

27 private: -

28 Storage m_storage; -

29 }; -

30 -

template <class T, int NumColumns>

void FixedColumnMatrix<T, NumColumns>::addRow(const T &value)

{

for (int i = 0; i < NumColumns; ++i)

m_storage.append(value);

}template <class T, int NumColumns>

32 void FixedColumnMatrix<T, NumColumns>::insertRow(int r, const T &value) -

33 { -

34 typename Storage::iterator it = m_storage.begin(); -

35 it += r * NumColumns; -

36 m_storage.insert(it, NumColumns, value); -

}

template <class T, int NumColumns>

void FixedColumnMatrix<T, NumColumns>::removeRow(int r)

{

m_storage.remove(r * NumColumns, NumColumns);

}

template <class T, int NumColumns>

bool FixedColumnMatrix<T, NumColumns>::find(const T &value, int *rowPtr, int *colPtr) const

{

const int idx = m_storage.indexOf(value);

if (idx == -1)

return false;

storageIndexToPosition(idx, rowPtr, colPtr);

return true;}

38 -

39 template <class T, int NumColumns> -

40 void FixedColumnMatrix<T, NumColumns>::storageIndexToPosition(int idx, int *rowPtr, int *colPtr) -

41 { -

42 *rowPtr = idx / NumColumns; -

43 *colPtr = idx % NumColumns; -

44 } -

45 } -

46 -

47 -

48 -

49 const uint DefaultFieldGrowthPolicy = 255; -

50 const uint DefaultRowWrapPolicy = 255; -

51 -

52 enum { ColumnCount = 2 }; -

53 -

54 -

55 -

56 struct QFormLayoutItem -

57 { -

58 QFormLayoutItem(QLayoutItem* i) : item(i), fullRow(false), isHfw(false) { } -

59 ~QFormLayoutItem() { delete item; } -

60 -

61 -

62 QWidget *widget() const { return item->widget(); } -

63 QLayout *layout() const { return item->layout(); } -

64 -

65 bool hasHeightForWidth() const { return item->hasHeightForWidth(); } -

66 int heightForWidth(int width) const { return item->heightForWidth(width); } -

67 int minimumHeightForWidth(int width) const { return item->minimumHeightForWidth(width); } -

68 Qt::Orientations expandingDirections() const { return item->expandingDirections(); } -

69 QSizePolicy::ControlTypes controlTypes() const { return item->controlTypes(); } -

70 int vStretch() const { return widget() ? widget()->sizePolicy().verticalStretch() : 0; } -

71 -

72 void setGeometry(const QRect& r) { item->setGeometry(r); } -

73 QRect geometry() const { return item->geometry(); } -

74 -

75 -

76 bool operator==(const QFormLayoutItem& other) { return item == other.item; } -

77 -

78 QLayoutItem *item; -

79 bool fullRow; -

80 -

81 -

82 bool isHfw; -

83 QSize minSize; -

84 QSize sizeHint; -

85 QSize maxSize; -

86 -

87 -

88 int sbsHSpace; -

89 int vSpace; -

90 -

91 -

92 bool sideBySide; -

93 int vLayoutIndex; -

94 -

95 -

96 int layoutPos; -

97 int layoutWidth; -

98 }; -

99 -

100 class QFormLayoutPrivate : public QLayoutPrivate -

101 { -

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

103 -

104 public: -

105 typedef FixedColumnMatrix<QFormLayoutItem *, ColumnCount> ItemMatrix; -

106 -

107 QFormLayoutPrivate(); -

108 ~QFormLayoutPrivate() { } -

109 -

110 int insertRow(int row); -

111 void insertRows(int row, int count); -

112 bool setItem(int row, QFormLayout::ItemRole role, QLayoutItem *item); -

113 void setLayout(int row, QFormLayout::ItemRole role, QLayout *layout); -

114 void setWidget(int row, QFormLayout::ItemRole role, QWidget *widget); -

115 -

116 void arrangeWidgets(const QVector<QLayoutStruct>& layouts, QRect &rect); -

117 -

118 void updateSizes(); -

119 -

120 void setupVerticalLayoutData(int width); -

121 void setupHorizontalLayoutData(int width); -

122 -

123 QStyle* getStyle() const; -

124 -

125 inline bool haveHfwCached(int width) const -

126 { -

127 return (hfw_width == width) || (width == sh_width && hfw_sh_height >= 0); -

128 } -

129 -

130 void recalcHFW(int w); -

131 void setupHfwLayoutData(); -

132 -

133 uint fieldGrowthPolicy : 8; -

134 uint rowWrapPolicy : 8; -

135 uint has_hfw : 2; -

136 uint dirty : 2; -

137 uint sizesDirty : 2; -

138 uint expandVertical : 1; -

139 uint expandHorizontal : 1; -

140 Qt::Alignment labelAlignment; -

141 Qt::Alignment formAlignment; -

142 -

143 ItemMatrix m_matrix; -

144 QList<QFormLayoutItem *> m_things; -

145 -

146 int layoutWidth; -

147 -

148 int hfw_width; -

149 int hfw_height; -

150 int hfw_minheight; -

151 -

152 int hfw_sh_height; -

153 int hfw_sh_minheight; -

154 -

155 int min_width; -

156 int sh_width; -

157 int thresh_width; -

158 QSize minSize; -

159 QSize prefSize; -

160 int formMaxWidth; -

161 void calcSizeHints(); -

162 -

163 QVector<QLayoutStruct> vLayouts; -

164 int vLayoutCount; -

165 int maxLabelWidth; -

166 -

167 QVector<QLayoutStruct> hfwLayouts; -

168 -

169 int hSpacing; -

170 int vSpacing; -

171 QLayoutItem* replaceAt(int index, QLayoutItem*) override; -

172 }; -

173 -

174 QFormLayoutPrivate::QFormLayoutPrivate() -

175 : fieldGrowthPolicy(DefaultFieldGrowthPolicy), -

176 rowWrapPolicy(DefaultRowWrapPolicy), has_hfw(false), dirty(true), sizesDirty(true), -

177 expandVertical(0), expandHorizontal(0), labelAlignment(0), formAlignment(0), -

178 layoutWidth(-1), hfw_width(-1), hfw_sh_height(-1), min_width(-1), -

179 sh_width(-1), thresh_width(QLAYOUTSIZE_MAX), hSpacing(-1), vSpacing(-1) -

180 { -

181 } -

182 -

183 static Qt::Alignment fixedAlignment(Qt::Alignment alignment, Qt::LayoutDirection layoutDirection) -

184 { -

185 if (layoutDirection == Qt::RightToLeft && alignment & Qt::AlignAbsolute) { -

186 -

187 return Qt::Alignment((alignment & ~(Qt::AlignLeft | Qt::AlignRight | Qt::AlignAbsolute)) -

188 | ((alignment & Qt::AlignRight) ? Qt::AlignLeft : 0) -

189 | ((alignment & Qt::AlignLeft) ? Qt::AlignRight : 0)); -

190 } else { -

191 return alignment & ~Qt::AlignAbsolute; -

192 } -

193 } -

194 -

195 static int storageIndexFromLayoutItem(const QFormLayoutPrivate::ItemMatrix &m, -

196 QFormLayoutItem *item) -

197 { -

198 if (item) { -

199 return m.storage().indexOf(item); -

200 } else { -

201 return -1; -

202 } -

203 } -

204 -

205 static void updateFormLayoutItem(QFormLayoutItem *item, int userVSpacing, -

206 QFormLayout::FieldGrowthPolicy fieldGrowthPolicy, -

207 bool fullRow) -

208 { -

209 item->minSize = item->item->minimumSize(); -

210 item->sizeHint = item->item->sizeHint(); -

211 item->maxSize = item->item->maximumSize(); -

212 -

213 if (!fullRow && (fieldGrowthPolicy == QFormLayout::FieldsStayAtSizeHint -

214 || (fieldGrowthPolicy == QFormLayout::ExpandingFieldsGrow -

215 && !(item->item->expandingDirections() & Qt::Horizontal)))) -

216 item->maxSize.setWidth(item->sizeHint.width()); -

217 -

218 item->isHfw = item->item->hasHeightForWidth(); -

219 item->vSpace = userVSpacing; -

220 } -

221 -

222 -

223 -

224 -

225 -

226 -

227 -

228 void QFormLayoutPrivate::updateSizes() -

229 { -

230 QFormLayout * const q = q_func(); -

231 -

232 if (sizesDirty) { -

233 QFormLayout::RowWrapPolicy wrapPolicy = q->rowWrapPolicy(); -

234 bool wrapAllRows = (wrapPolicy == QFormLayout::WrapAllRows); -

235 bool dontWrapRows = (wrapPolicy == QFormLayout::DontWrapRows); -

236 int rr = m_matrix.rowCount(); -

237 -

238 has_hfw = false; -

239 -

240 -

241 -

242 bool expandH = false; -

243 bool expandV = false; -

244 -

245 QFormLayoutItem *prevLbl = 0; -

246 QFormLayoutItem *prevFld = 0; -

247 -

248 QWidget *parent = q->parentWidget(); -

249 QStyle *style = parent ? parent->style() : 0; -

250 -

251 int userVSpacing = q->verticalSpacing(); -

252 int userHSpacing = wrapAllRows ? 0 : q->horizontalSpacing(); -

253 -

254 int maxMinLblWidth = 0; -

255 int maxMinFldWidth = 0; -

256 int maxMinIfldWidth = 0; -

257 -

258 int maxShLblWidth = 0; -

259 int maxShFldWidth = 0; -

260 int maxShIfldWidth = 0; -

261 -

262 for (int i = 0; i < rr; ++i) { -

263 QFormLayoutItem *label = m_matrix(i, 0); -

264 QFormLayoutItem *field = m_matrix(i, 1); -

265 -

266 -

267 if (!label && !field) -

268 continue; -

269 -

270 if (label) { -

271 updateFormLayoutItem(label, userVSpacing, q->fieldGrowthPolicy(), false); -

272 if (label->isHfw) -

273 has_hfw = true; -

274 Qt::Orientations o = label->expandingDirections(); -

275 -

276 if (o & Qt::Vertical) -

277 expandV = true; -

278 if (o & Qt::Horizontal) -

279 expandH = true; -

280 } -

281 if (field) { -

282 updateFormLayoutItem(field, userVSpacing, q->fieldGrowthPolicy(), !label && field->fullRow); -

283 field->sbsHSpace = (!label && field->fullRow) ? 0 : userHSpacing; -

284 if (field->isHfw) -

285 has_hfw = true; -

286 -

287 Qt::Orientations o = field->expandingDirections(); -

288 -

289 if (o & Qt::Vertical) -

290 expandV = true; -

291 if (o & Qt::Horizontal) -

292 expandH = true; -

293 } -

294 -

295 -

296 if ((userHSpacing < 0 || userVSpacing < 0) && style) { -

297 QSizePolicy::ControlTypes lbltypes = -

298 QSizePolicy::ControlTypes(label ? label->controlTypes() : QSizePolicy::DefaultType); -

299 QSizePolicy::ControlTypes fldtypes = -

300 QSizePolicy::ControlTypes(field ? field->controlTypes() : QSizePolicy::DefaultType); -

301 -

302 -

303 if (userVSpacing < 0) { -

304 if (wrapAllRows) { -

305 -

306 QFormLayoutItem *lbltop = prevFld ? prevFld : prevLbl; -

307 -

308 QFormLayoutItem *fldtop = label ? label : lbltop; -

309 QSizePolicy::ControlTypes lbltoptypes = -

310 QSizePolicy::ControlTypes(lbltop ? lbltop->controlTypes() : QSizePolicy::DefaultType); -

311 QSizePolicy::ControlTypes fldtoptypes = -

312 QSizePolicy::ControlTypes(fldtop ? fldtop->controlTypes() : QSizePolicy::DefaultType); -

313 if (label && lbltop) -

314 label->vSpace = style->combinedLayoutSpacing(lbltoptypes, lbltypes, Qt::Vertical, 0, parent); -

315 if (field && fldtop) -

316 field->vSpace = style->combinedLayoutSpacing(fldtoptypes, fldtypes, Qt::Vertical, 0, parent); -

317 } else { -

318 -

319 -

320 QFormLayoutItem *lbltop = prevLbl ? prevLbl : prevFld; -

321 QFormLayoutItem *fldtop = prevFld; -

322 QSizePolicy::ControlTypes lbltoptypes = -

323 QSizePolicy::ControlTypes(lbltop ? lbltop->controlTypes() : QSizePolicy::DefaultType); -

324 QSizePolicy::ControlTypes fldtoptypes = -

325 QSizePolicy::ControlTypes(fldtop ? fldtop->controlTypes() : QSizePolicy::DefaultType); -

326 -

327 -

328 if (label) { -

329 if (!field) { -

330 int lblspacing = style->combinedLayoutSpacing(lbltoptypes, lbltypes, Qt::Vertical, 0, parent); -

331 int fldspacing = style->combinedLayoutSpacing(fldtoptypes, lbltypes, Qt::Vertical, 0, parent); -

332 label->vSpace = qMax(lblspacing, fldspacing); -

333 } else -

334 label->vSpace = style->combinedLayoutSpacing(lbltoptypes, lbltypes, Qt::Vertical, 0, parent); -

335 } -

336 -

337 if (field) { -

338 -

339 if (!label) { -

340 int lblspacing = style->combinedLayoutSpacing(lbltoptypes, fldtypes, Qt::Vertical, 0, parent); -

341 int fldspacing = style->combinedLayoutSpacing(fldtoptypes, fldtypes, Qt::Vertical, 0, parent); -

342 field->vSpace = qMax(lblspacing, fldspacing); -

343 } else -

344 field->vSpace = style->combinedLayoutSpacing(fldtoptypes, fldtypes, Qt::Vertical, 0, parent); -

345 } -

346 } -

347 } -

348 -

349 -

350 -

351 -

352 if (userHSpacing < 0 && !wrapAllRows && (label || !field->fullRow) && field) -

353 field->sbsHSpace = style->combinedLayoutSpacing(QSizePolicy::Label, QSizePolicy::LineEdit, Qt::Horizontal, 0, parent); -

354 } -

355 if (label) { -

356 maxMinLblWidth = qMax(maxMinLblWidth, label->minSize.width()); -

357 maxShLblWidth = qMax(maxShLblWidth, label->sizeHint.width()); -

358 if (field) { -

359 maxMinFldWidth = qMax(maxMinFldWidth, field->minSize.width() + field->sbsHSpace); -

360 maxShFldWidth = qMax(maxShFldWidth, field->sizeHint.width() + field->sbsHSpace); -

361 } -

362 } else if (field) { -

363 maxMinIfldWidth = qMax(maxMinIfldWidth, field->minSize.width()); -

364 maxShIfldWidth = qMax(maxShIfldWidth, field->sizeHint.width()); -

365 } -

366 -

367 prevLbl = label; -

368 prevFld = field; -

369 } -

370 -

371 -

372 if (wrapAllRows) { -

373 sh_width = qMax(maxShLblWidth, qMax(maxShIfldWidth, maxShFldWidth)); -

374 min_width = qMax(maxMinLblWidth, qMax(maxMinIfldWidth, maxMinFldWidth)); -

375 -

376 thresh_width = 0; -

377 } else if (dontWrapRows) { -

378 -

379 sh_width = qMax(maxShLblWidth + maxShFldWidth, maxShIfldWidth); -

380 min_width = qMax(maxMinLblWidth + maxMinFldWidth, maxMinIfldWidth); -

381 thresh_width = ((1<<24)-1); -

382 } else { -

383 -

384 sh_width = qMax(maxShLblWidth + maxShFldWidth, maxShIfldWidth); -

385 -

386 -

387 min_width = qMax(maxMinLblWidth, qMax(maxMinIfldWidth, maxMinFldWidth)); -

388 -

389 thresh_width = maxShLblWidth + maxMinFldWidth; -

390 } -

391 -

392 -

393 expandVertical = expandV; -

394 expandHorizontal = expandH; -

395 } -

396 sizesDirty = false; -

397 } -

398 -

399 void QFormLayoutPrivate::recalcHFW(int w) -

400 { -

401 setupHfwLayoutData(); -

402 -

403 int h = 0; -

404 int mh = 0; -

405 -

406 for (int r = 0; r < vLayoutCount; ++r) { -

407 int spacing = hfwLayouts.at(r).spacing; -

408 h += hfwLayouts.at(r).sizeHint + spacing; -

409 mh += hfwLayouts.at(r).minimumSize + spacing; -

410 } -

411 -

412 if (sh_width > 0 && sh_width == w) { -

413 hfw_sh_height = qMin(QLAYOUTSIZE_MAX, h); -

414 hfw_sh_minheight = qMin(QLAYOUTSIZE_MAX, mh); -

415 } else { -

416 hfw_width = w; -

417 hfw_height = qMin(QLAYOUTSIZE_MAX, h); -

418 hfw_minheight = qMin(QLAYOUTSIZE_MAX, mh); -

419 } -

420 } -

421 -

422 void QFormLayoutPrivate::setupHfwLayoutData() -

423 { -

424 int i; -

425 int rr = m_matrix.rowCount(); -

426 -

427 hfwLayouts.clear(); -

428 hfwLayouts.resize(vLayoutCount); -

429 for (i = 0; i < vLayoutCount; ++i) -

430 hfwLayouts[i] = vLayouts.at(i); -

431 -

432 for (i = 0; i < rr; ++i) { -

433 QFormLayoutItem *label = m_matrix(i, 0); -

434 QFormLayoutItem *field = m_matrix(i, 1); -

435 -

436 if (label) { -

437 if (label->isHfw) { -

438 -

439 -

440 int hfw = label->heightForWidth(label->layoutWidth); -

441 hfwLayouts[label->vLayoutIndex].minimumSize = hfw; -

442 hfwLayouts[label->vLayoutIndex].sizeHint = hfw; -

443 } else { -

444 -

445 -

446 hfwLayouts[label->vLayoutIndex].sizeHint = label->sizeHint.height(); -

447 hfwLayouts[label->vLayoutIndex].minimumSize = label->minSize.height(); -

448 } -

449 } -

450 -

451 if (field) { -

452 int hfw = field->isHfw ? field->heightForWidth(field->layoutWidth) : 0; -

453 int h = field->isHfw ? hfw : field->sizeHint.height(); -

454 int mh = field->isHfw ? hfw : field->minSize.height(); -

455 -

456 if (field->sideBySide) { -

457 int oh = hfwLayouts.at(field->vLayoutIndex).sizeHint; -

458 int omh = hfwLayouts.at(field->vLayoutIndex).minimumSize; -

459 -

460 hfwLayouts[field->vLayoutIndex].sizeHint = qMax(h, oh); -

461 hfwLayouts[field->vLayoutIndex].minimumSize = qMax(mh, omh); -

462 } else { -

463 hfwLayouts[field->vLayoutIndex].sizeHint = h; -

464 hfwLayouts[field->vLayoutIndex].minimumSize = mh; -

465 } -

466 } -

467 } -

468 } -

469 static inline int spacingHelper(QWidget* parent, QStyle *style, int userVSpacing, bool recalculate, QFormLayoutItem* item1, QFormLayoutItem* item2, QFormLayoutItem* prevItem1, QFormLayoutItem *prevItem2) -

470 { -

471 int spacing = userVSpacing; -

472 if (spacing < 0) { -

473 if (!recalculate) { -

474 if (item1) -

475 spacing = item1->vSpace; -

476 if (item2) -

477 spacing = qMax(spacing, item2->vSpace); -

478 } else { -

479 if (style && prevItem1) { -

480 QSizePolicy::ControlTypes itemtypes = -

481 QSizePolicy::ControlTypes(item1 ? item1->controlTypes() : QSizePolicy::DefaultType); -

482 int spacing2 = 0; -

483 -

484 spacing = style->combinedLayoutSpacing(itemtypes, prevItem1->controlTypes(), Qt::Vertical, 0, parent); -

485 -

486 -

487 if (item2) -

488 spacing2 = style->combinedLayoutSpacing(item2->controlTypes(), prevItem1->controlTypes(), Qt::Vertical, 0, parent); -

489 else if (prevItem2) -

490 spacing2 = style->combinedLayoutSpacing(itemtypes, prevItem2->controlTypes(), Qt::Vertical, 0, parent); -

491 -

492 spacing = qMax(spacing, spacing2); -

493 } -

494 } -

495 } else { -

496 if (prevItem1) { -

497 QWidget *wid = prevItem1->item->widget(); -

498 if (wid) -

499 spacing = qMax(spacing, prevItem1->geometry().top() - wid->geometry().top() ); -

500 } -

501 if (prevItem2) { -

502 QWidget *wid = prevItem2->item->widget(); -

503 if (wid) -

504 spacing = qMax(spacing, prevItem2->geometry().top() - wid->geometry().top() ); -

505 } -

506 } -

507 return qMax(spacing, 0); -

508 } -

509 -

510 static inline void initLayoutStruct(QLayoutStruct& sl, QFormLayoutItem* item) -

511 { -

512 sl.init(item->vStretch(), item->minSize.height()); -

513 sl.sizeHint = item->sizeHint.height(); -

514 sl.maximumSize = item->maxSize.height(); -

515 sl.expansive = (item->expandingDirections() & Qt::Vertical); -

516 sl.empty = false; -

517 } -

518 -

519 void QFormLayoutPrivate::setupVerticalLayoutData(int width) -

520 { -

521 QFormLayout * const q = q_func(); -

522 -

523 -

524 if ((width == layoutWidth || (width >= thresh_width && layoutWidth >= thresh_width)) && !dirty && !sizesDirty) -

525 return; -

526 -

527 layoutWidth = width; -

528 -

529 int rr = m_matrix.rowCount(); -

530 int vidx = 1; -

531 QFormLayout::RowWrapPolicy rowWrapPolicy = q->rowWrapPolicy(); -

532 bool wrapAllRows = (rowWrapPolicy == QFormLayout::WrapAllRows); -

533 bool addTopBottomStretch = true; -

534 -

535 vLayouts.clear(); -

536 vLayouts.resize((2 * rr) + 2); -

537 -

538 QStyle *style = 0; -

539 -

540 int userVSpacing = q->verticalSpacing(); -

541 -

542 if (userVSpacing < 0) { -

543 if (QWidget *widget = q->parentWidget()) -

544 style = widget->style(); -

545 } -

546 -

547 -

548 updateSizes(); -

549 -

550 -

551 -

552 -

553 -

554 maxLabelWidth = 0; -

555 if (!wrapAllRows) { -

556 for (int i = 0; i < rr; ++i) { -

557 const QFormLayoutItem *label = m_matrix(i, 0); -

558 const QFormLayoutItem *field = m_matrix(i, 1); -

559 if (label && (label->sizeHint.width() + (field ? field->minSize.width() : 0) <= width)) -

560 maxLabelWidth = qMax(maxLabelWidth, label->sizeHint.width()); -

561 } -

562 } else { -

563 maxLabelWidth = width; -

564 } -

565 -

566 QFormLayoutItem *prevItem1 = 0; -

567 QFormLayoutItem *prevItem2 = 0; -

568 bool prevRowSplit = false; -

569 -

570 for (int i = 0; i < rr; ++i) { -

571 QFormLayoutItem *label = m_matrix(i, 0); -

572 QFormLayoutItem *field = m_matrix(i, 1); -

573 -

574 -

575 if (!label && !field) -

576 continue; -

577 -

578 QSize min1; -

579 QSize min2; -

580 QSize sh1; -

581 QSize sh2; -

582 if (label) { -

583 min1 = label->minSize; -

584 sh1 = label->sizeHint; -

585 } -

586 if (field) { -

587 min2 = field->minSize; -

588 sh2 = field->sizeHint; -

589 } -

590 -

591 -

592 -

593 bool splitSideBySide = (rowWrapPolicy == QFormLayout::WrapLongRows) -

594 && ((maxLabelWidth < sh1.width()) || (width < (maxLabelWidth + min2.width()))); -

595 -

596 if (wrapAllRows || splitSideBySide) { -

597 if (label) { -

598 initLayoutStruct(vLayouts[vidx], label); -

599 -

600 if (vidx > 1) -

601 vLayouts[vidx - 1].spacing = spacingHelper(q->parentWidget(), style, userVSpacing, splitSideBySide || prevRowSplit, label, 0, prevItem1, prevItem2); -

602 -

603 label->vLayoutIndex = vidx; -

604 label->sideBySide = false; -

605 -

606 prevItem1 = label; -

607 prevItem2 = 0; -

608 -

609 if (vLayouts[vidx].stretch > 0) -

610 addTopBottomStretch = false; -

611 -

612 ++vidx; -

613 } -

614 -

615 if (field) { -

616 initLayoutStruct(vLayouts[vidx], field); -

617 -

618 if (vidx > 1) -

619 vLayouts[vidx - 1].spacing = spacingHelper(q->parentWidget(), style, userVSpacing, splitSideBySide || prevRowSplit, field, 0, prevItem1, prevItem2); -

620 -

621 field->vLayoutIndex = vidx; -

622 field->sideBySide = false; -

623 -

624 prevItem1 = field; -

625 prevItem2 = 0; -

626 -

627 if (vLayouts[vidx].stretch > 0) -

628 addTopBottomStretch = false; -

629 -

630 ++vidx; -

631 } -

632 -

633 prevRowSplit = splitSideBySide; -

634 } else { -

635 -

636 QSize max1(((1<<24)-1), ((1<<24)-1)); -

637 QSize max2(((1<<24)-1), ((1<<24)-1)); -

638 -

639 int stretch1 = 0; -

640 int stretch2 = 0; -

641 bool expanding = false; -

642 -

643 if (label) { -

644 max1 = label->maxSize; -

645 if (label->expandingDirections() & Qt::Vertical) -

646 expanding = true; -

647 -

648 label->sideBySide = (field != 0); -

649 label->vLayoutIndex = vidx; -

650 stretch1 = label->vStretch(); -

651 } -

652 -

653 if (field) { -

654 max2 = field->maxSize; -

655 if (field->expandingDirections() & Qt::Vertical) -

656 expanding = true; -

657 -

658 field->sideBySide = (label || !field->fullRow); -

659 field->vLayoutIndex = vidx; -

660 stretch2 = field->vStretch(); -

661 } -

662 -

663 vLayouts[vidx].init(qMax(stretch1, stretch2), qMax(min1.height(), min2.height())); -

664 vLayouts[vidx].sizeHint = qMax(sh1.height(), sh2.height()); -

665 vLayouts[vidx].maximumSize = qMin(max1.height(), max2.height()); -

666 vLayouts[vidx].expansive = expanding || (vLayouts[vidx].stretch > 0); -

667 vLayouts[vidx].empty = false; -

668 -

669 if (vLayouts[vidx].stretch > 0) -

670 addTopBottomStretch = false; -

671 -

672 if (vidx > 1) -

673 vLayouts[vidx - 1].spacing = spacingHelper(q->parentWidget(), style, userVSpacing, prevRowSplit, label, field, prevItem1, prevItem2); -

674 -

675 if (label) { -

676 prevItem1 = label; -

677 prevItem2 = field; -

678 } else { -

679 prevItem1 = field; -

680 prevItem2 = 0; -

681 } -

682 -

683 prevRowSplit = false; -

684 ++vidx; -

685 } -

686 } -

687 -

688 if (addTopBottomStretch) { -

689 Qt::Alignment formAlignment = q->formAlignment(); -

690 -

691 if (!(formAlignment & Qt::AlignBottom)) { -

692 -

693 vLayouts[vidx].init(1, 0); -

694 vLayouts[vidx].expansive = true; -

695 ++vidx; -

696 } -

697 -

698 if (formAlignment & (Qt::AlignVCenter | Qt::AlignBottom)) { -

699 -

700 vLayouts[0].init(1, 0); -

701 vLayouts[0].expansive = true; -

702 } else { -

703 vLayouts[0].init(0, 0); -

704 } -

705 } else { -

706 vLayouts[0].init(0, 0); -

707 } -

708 -

709 vLayoutCount = vidx; -

710 dirty = false; -

711 } -

712 -

713 void QFormLayoutPrivate::setupHorizontalLayoutData(int width) -

714 { -

715 QFormLayout * const q = q_func(); -

716 -

717 -

718 -

719 int fieldMaxWidth = 0; -

720 -

721 int rr = m_matrix.rowCount(); -

722 bool wrapAllRows = (q->rowWrapPolicy() == QFormLayout::WrapAllRows); -

723 -

724 for (int i = 0; i < rr; ++i) { -

725 QFormLayoutItem *label = m_matrix(i, 0); -

726 QFormLayoutItem *field = m_matrix(i, 1); -

727 -

728 -

729 if (!label && !field) -

730 continue; -

731 -

732 if (label) { -

733 -

734 -

735 label->layoutWidth = (field && label->sideBySide) ? maxLabelWidth : label->sizeHint.width(); -

736 label->layoutPos = 0; -

737 } -

738 -

739 if (field) { -

740 -

741 int fldwidth = width - maxLabelWidth - field->sbsHSpace; -

742 -

743 -

744 -

745 -

746 if (!field->sideBySide) { -

747 if (wrapAllRows || (!label && field->fullRow) || field->sizeHint.width() > fldwidth) { -

748 field->layoutWidth = width; -

749 field->layoutPos = 0; -

750 } else { -

751 field->layoutWidth = fldwidth; -

752 field->layoutPos = width - fldwidth; -

753 } -

754 } else { -

755 -

756 field->layoutWidth = fldwidth; -

757 field->layoutPos = width - fldwidth; -

758 } -

759 -

760 fieldMaxWidth = qMax(fieldMaxWidth, field->maxSize.width()); -

761 } -

762 } -

763 -

764 formMaxWidth = maxLabelWidth + fieldMaxWidth; -

765 } -

766 -

767 void QFormLayoutPrivate::calcSizeHints() -

768 { -

769 QFormLayout * const q = q_func(); -

770 -

771 int leftMargin, topMargin, rightMargin, bottomMargin; -

772 q->getContentsMargins(&leftMargin, &topMargin, &rightMargin, &bottomMargin); -

773 -

774 updateSizes(); -

775 setupVerticalLayoutData(QLAYOUTSIZE_MAX); -

776 -

777 -

778 int h = topMargin + bottomMargin; -

779 int mh = topMargin + bottomMargin; -

780 -

781 -

782 int w = sh_width + leftMargin + rightMargin; -

783 int mw = min_width + leftMargin + rightMargin; -

784 -

785 for (int i = 0; i < vLayoutCount; ++i) { -

786 int spacing = vLayouts.at(i).spacing; -

787 h += vLayouts.at(i).sizeHint + spacing; -

788 mh += vLayouts.at(i).minimumSize + spacing; -

789 } -

790 -

791 minSize.rwidth() = qMin(mw, QLAYOUTSIZE_MAX); -

792 minSize.rheight() = qMin(mh, QLAYOUTSIZE_MAX); -

793 prefSize.rwidth() = qMin(w, QLAYOUTSIZE_MAX); -

794 prefSize.rheight() = qMin(h, QLAYOUTSIZE_MAX); -

795 } -

796 -

797 int QFormLayoutPrivate::insertRow(int row) -

798 { -

799 int rowCnt = m_matrix.rowCount(); -

800 if (uint(row) > uint(rowCnt)) -

801 row = rowCnt; -

802 -

803 insertRows(row, 1); -

804 return row; -

805 } -

806 -

807 void QFormLayoutPrivate::insertRows(int row, int count) -

808 { -

809 while (count > 0) { -

810 m_matrix.insertRow(row, 0); -

811 --count; -

812 } -

813 } -

814 -

815 bool QFormLayoutPrivate::setItem(int row, QFormLayout::ItemRole role, QLayoutItem *item) -

816 { -

817 const bool fullRow = role == QFormLayout::SpanningRole; -

818

const int column = role == QFormLayout::SpanningRole

role == QFormL...::SpanningRole	Description
TRUE	never evaluated
FALSE	never evaluated

? 1 : static_cast<int>(role);

819

if (__builtin_expect(!!(

__builtin_expe... > 1U), false)	Description
TRUE	never evaluated
FALSE	never evaluated

uint(row) >= uint(m_matrix.rowCount()) || uint(column) > 1U)), false)

__builtin_expe... > 1U), false)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

820 QMessageLogger(__FILE__, 949927, __PRETTY_FUNCTION__).warning("QFormLayoutPrivate::setItem: Invalid cell (%d, %d)", row, column); -

821

return

never executed: return false;

false;

never executed: return false;

822 } -

823 -

824

if (!item

!item	Description
TRUE	never evaluated
FALSE	never evaluated

)

825

return

never executed: return false;

false;

never executed: return false;

826 -

827

if (__builtin_expect(!!(

__builtin_expe...lumn)), false)	Description
TRUE	never evaluated
FALSE	never evaluated

m_matrix(row, column)), false)

__builtin_expe...lumn)), false)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

828 QMessageLogger(__FILE__, 957935, __PRETTY_FUNCTION__).warning("QFormLayoutPrivate::setItem: Cell (%d, %d) already occupied", row, column); -

829

return

never executed: return false;

false;

never executed: return false;

830 } -

831 -

832 QFormLayoutItem *i = new QFormLayoutItem(item); -

833 i->fullRow = fullRow; -

834 m_matrix(row, column) = i; -

835 -

836 m_things.append(i); -

837

return

never executed: return true;

true;

never executed: return true;

838 } -

839 -

840 void QFormLayoutPrivate::setLayout(int row, QFormLayout::ItemRole role, QLayout *layout) -

841 { -

842 if (layout) { -

843 QFormLayout * const q = q_func(); -

844 if (q->adoptLayout(layout)) -

845 setItem(row, role, layout); -

846 } -

847 } -

848 -

849 void QFormLayoutPrivate::setWidget(int row, QFormLayout::ItemRole role, QWidget *widget) -

850 { -

851 if (widget) { -

852 QFormLayout * const q = q_func(); -

853 q->addChildWidget(widget); -

854 QWidgetItem *item = QLayoutPrivate::createWidgetItem(q, widget); -

855 if (!setItem(row, role, item)) -

856 delete item; -

857 } -

858 } -

859 -

860 QStyle* QFormLayoutPrivate::getStyle() const -

861 { -

862 const QFormLayout * const q = q_func(); -

863 -

864 -

865 if (QWidget *parentWidget = q->parentWidget()) -

866 return parentWidget->style(); -

867 else -

868 return QApplication::style(); -

869 } -

870 -

871 QLayoutItem* QFormLayoutPrivate::replaceAt(int index, QLayoutItem *newitem) -

872 { -

873 QFormLayout * const q = q_func(); -

874

if (!newitem

!newitem	Description
TRUE	never evaluated
FALSE	never evaluated

)

875

return

never executed: return 0;

876 const int storageIndex = storageIndexFromLayoutItem(m_matrix, m_things.value(index)); -

877

if (__builtin_expect(!!(

__builtin_expe...== -1), false)	Description
TRUE	never evaluated
FALSE	never evaluated

storageIndex == -1)), false)

__builtin_expe...== -1), false)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

878 -

879 QMessageLogger(__FILE__, 1008986, __PRETTY_FUNCTION__).warning("QFormLayoutPrivate::replaceAt: Invalid index %d", index); -

880

return

never executed: return 0;

881 } -

882 -

883 int row, col; -

884 QFormLayoutPrivate::ItemMatrix::storageIndexToPosition(storageIndex, &row, &col); -

885 ((!(m_matrix(row, col))) ? qt_assert("m_matrix(row, col)",__FILE__,1014992) : qt_noop()); -

886 -

887 QFormLayoutItem *item = m_matrix(row, col); -

888 ((!(item)) ? qt_assert("item",__FILE__,1017995) : qt_noop()); -

889 -

890 QLayoutItem *olditem = item->item; -

891 item->item = newitem; -

892 -

893 q->invalidate(); -

894

return

never executed: return olditem;

olditem;

never executed: return olditem;

895 } -

896 QFormLayout::QFormLayout(QWidget *parent) -

897 : QLayout(*new QFormLayoutPrivate, 0, parent) -

898 { -

899 } -

900 -

901 -

902 -

903 -

904 QFormLayout::~QFormLayout() -

905 { -

906 QFormLayoutPrivate * const d = d_func(); -

907 -

908 -

909 -

910 -

911 -

912 -

913 d->m_things.clear(); -

914 qDeleteAll(d->m_matrix.storage()); -

915 d->m_matrix.clear(); -

916 } -

917 -

918 -

919 -

920 -

921 -

922 -

923 -

924 void QFormLayout::addRow(QWidget *label, QWidget *field) -

925 { -

926 insertRow(-1, label, field); -

927 } -

928 -

929 -

930 -

931 -

932 void QFormLayout::addRow(QWidget *label, QLayout *field) -

933 { -

934 insertRow(-1, label, field); -

935 } -

936 void QFormLayout::addRow(const QString &labelText, QWidget *field) -

937 { -

938 insertRow(-1, labelText, field); -

939 } -

940 -

941 -

942 -

943 -

944 -

945 -

946 -

947 void QFormLayout::addRow(const QString &labelText, QLayout *field) -

948 { -

949 insertRow(-1, labelText, field); -

950 } -

951 -

952 -

953 -

954 -

955 -

956 -

957 -

958 void QFormLayout::addRow(QWidget *widget) -

959 { -

960 insertRow(-1, widget); -

961 } -

962 -

963 -

964 -

965 -

966 -

967 -

968 -

969 void QFormLayout::addRow(QLayout *layout) -

970 { -

971 insertRow(-1, layout); -

972 } -

973 void QFormLayout::insertRow(int row, QWidget *label, QWidget *field) -

974 { -

975 QFormLayoutPrivate * const d = d_func(); -

976 if ((label && !d->checkWidget(label)) || (field && !d->checkWidget(field))) -

977 return; -

978 -

979 row = d->insertRow(row); -

980 if (label) -

981 d->setWidget(row, LabelRole, label); -

982 if (field) -

983 d->setWidget(row, FieldRole, field); -

984 invalidate(); -

985 } -

986 -

987 -

988 -

989 -

990 void QFormLayout::insertRow(int row, QWidget *label, QLayout *field) -

991 { -

992 QFormLayoutPrivate * const d = d_func(); -

993 if ((label && !d->checkWidget(label)) || (field && !d->checkLayout(field))) -

994 return; -

995 -

996 row = d->insertRow(row); -

997 if (label) -

998 d->setWidget(row, LabelRole, label); -

999 if (field) -

1000 d->setLayout(row, FieldRole, field); -

1001 invalidate(); -

1002 } -

1003 void QFormLayout::insertRow(int row, const QString &labelText, QWidget *field) -

1004 { -

1005 QFormLayoutPrivate * const d = d_func(); -

1006 if (field && !d->checkWidget(field)) -

1007 return; -

1008 -

1009 QLabel *label = 0; -

1010 if (!labelText.isEmpty()) { -

1011 label = new QLabel(labelText); -

1012 -

1013 label->setBuddy(field); -

1014 -

1015 } -

1016 insertRow(row, label, field); -

1017 } -

1018 -

1019 -

1020 -

1021 -

1022 -

1023 -

1024 -

1025 void QFormLayout::insertRow(int row, const QString &labelText, QLayout *field) -

1026 { -

1027 QFormLayoutPrivate * const d = d_func(); -

1028 if (field && !d->checkLayout(field)) -

1029 return; -

1030 -

1031 insertRow(row, labelText.isEmpty() ? 0 : new QLabel(labelText), field); -

1032 } -

1033 void QFormLayout::insertRow(int row, QWidget *widget) -

1034 { -

1035 QFormLayoutPrivate * const d = d_func(); -

1036 if (!d->checkWidget(widget)) -

1037 return; -

1038 -

1039 row = d->insertRow(row); -

1040 d->setWidget(row, SpanningRole, widget); -

1041 invalidate(); -

1042 } -

1043 void QFormLayout::insertRow(int row, QLayout *layout) -

1044 { -

1045 QFormLayoutPrivate * const d = d_func(); -

1046 if (!d->checkLayout(layout)) -

1047 return; -

1048 -

1049 row = d->insertRow(row); -

1050 d->setLayout(row, SpanningRole, layout); -

1051 invalidate(); -

1052 } -

1053 -

1054 -

1055 -

1056 -

1057 void QFormLayout::addItem(QLayoutItem *item) -

1058 { -

1059 QFormLayoutPrivate * const d = d_func(); -

1060 -

1061 int row = d->insertRow(d->m_matrix.rowCount()); -

1062 d->setItem(row, FieldRole, item); -

1063 invalidate(); -

1064 } -

1065 -

1066 -

1067 -

1068 -

1069 int QFormLayout::count() const -

1070 { -

1071 const QFormLayoutPrivate * const d = d_func(); -

1072 return d->m_things.count(); -

1073 } -

1074 -

1075 -

1076 -

1077 -

1078 QLayoutItem *QFormLayout::itemAt(int index) const -

1079 { -

1080 const QFormLayoutPrivate * const d = d_func(); -

1081 if (QFormLayoutItem *formItem = d->m_things.value(index)) -

1082 return formItem->item; -

1083 return 0; -

1084 } -

1085 -

1086 -

1087 -

1088 -

1089 QLayoutItem *QFormLayout::takeAt(int index) -

1090 { -

1091 QFormLayoutPrivate * const d = d_func(); -

1092 -

1093 const int storageIndex = storageIndexFromLayoutItem(d->m_matrix, d->m_things.value(index)); -

1094

if (__builtin_expect(!!(

__builtin_expe...== -1), false)	Description
TRUE	never evaluated
FALSE	never evaluated

storageIndex == -1)), false)

__builtin_expe...== -1), false)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1095 QMessageLogger(__FILE__, 14211399, __PRETTY_FUNCTION__).warning("QFormLayout::takeAt: Invalid index %d", index); -

1096

return

never executed: return 0;

1097 } -

1098 -

1099 int row, col; -

1100 QFormLayoutPrivate::ItemMatrix::storageIndexToPosition(storageIndex, &row, &col); -

1101 ((!(d->m_matrix(row, col))) ? qt_assert("d->m_matrix(row, col)",__FILE__,14271405) : qt_noop()); -

1102 -

1103 QFormLayoutItem *item = d->m_matrix(row, col); -

1104 ((!(item)) ? qt_assert("item",__FILE__,14301408) : qt_noop()); -

1105 d->m_things.removeAt(index); -

1106 d->m_matrix(row, col) = 0; -

1107 -

1108 invalidate(); -

1109 -

1110 -

1111 QLayoutItem *i = item->item; -

1112 item->item = 0; -

1113 delete item; -

1114 -

1115

if (QLayout *l = i->layout()

QLayout *l = i->layout()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

1116 -

1117

if (l->parent() == this

l->parent() == this	Description
TRUE	never evaluated
FALSE	never evaluated

)

1118

l->setParent(0);

never executed: l->setParent(0);

1119

}

never executed: end of block

1120 -

1121

return

never executed: return i;

1122 } -

1123 -

1124 -

1125 -

1126 -

1127 Qt::Orientations QFormLayout::expandingDirections() const -

1128 { -

1129 const QFormLayoutPrivate * const d = d_func(); -

1130 QFormLayoutPrivate *e = const_cast<QFormLayoutPrivate *>(d); -

1131 e->updateSizes(); -

1132 -

1133 Qt::Orientations o = 0; -

1134 if (e->expandHorizontal) -

1135 o = Qt::Horizontal; -

1136 if (e->expandVertical) -

1137 o |= Qt::Vertical; -

1138 return o; -

1139 } -

1140 -

1141 -

1142 -

1143 -

1144 bool QFormLayout::hasHeightForWidth() const -

1145 { -

1146 const QFormLayoutPrivate * const d = d_func(); -

1147 QFormLayoutPrivate *e = const_cast<QFormLayoutPrivate *>(d); -

1148 e->updateSizes(); -

1149 return (d->has_hfw || rowWrapPolicy() == WrapLongRows); -

1150 } -

1151 -

1152 -

1153 -

1154 -

1155 int QFormLayout::heightForWidth(int width) const -

1156 { -

1157 const QFormLayoutPrivate * const d = d_func(); -

1158 if (!hasHeightForWidth()) -

1159 return -1; -

1160 -

1161 int leftMargin, topMargin, rightMargin, bottomMargin; -

1162 getContentsMargins(&leftMargin, &topMargin, &rightMargin, &bottomMargin); -

1163 -

1164 int targetWidth = width - leftMargin - rightMargin; -

1165 -

1166 if (!d->haveHfwCached(targetWidth)) { -

1167 QFormLayoutPrivate *dat = const_cast<QFormLayoutPrivate *>(d); -

1168 dat->setupVerticalLayoutData(targetWidth); -

1169 dat->setupHorizontalLayoutData(targetWidth); -

1170 dat->recalcHFW(targetWidth); -

1171 } -

1172 if (targetWidth == d->sh_width) -

1173 return d->hfw_sh_height + topMargin + bottomMargin; -

1174 else -

1175 return d->hfw_height + topMargin + bottomMargin; -

1176 } -

1177 -

1178 -

1179 -

1180 -

1181 void QFormLayout::setGeometry(const QRect &rect) -

1182 { -

1183 QFormLayoutPrivate * const d = d_func(); -

1184 if (d->dirty || rect != geometry()) { -

1185 QRect cr = rect; -

1186 int leftMargin, topMargin, rightMargin, bottomMargin; -

1187 getContentsMargins(&leftMargin, &topMargin, &rightMargin, &bottomMargin); -

1188 cr.adjust(+leftMargin, +topMargin, -rightMargin, -bottomMargin); -

1189 -

1190 bool hfw = hasHeightForWidth(); -

1191 d->setupVerticalLayoutData(cr.width()); -

1192 d->setupHorizontalLayoutData(cr.width()); -

1193 if (hfw && (!d->haveHfwCached(cr.width()) || d->hfwLayouts.size() != d->vLayoutCount)) -

1194 d->recalcHFW(cr.width()); -

1195 if (hfw) { -

1196 qGeomCalc(d->hfwLayouts, 0, d->vLayoutCount, cr.y(), cr.height()); -

1197 d->arrangeWidgets(d->hfwLayouts, cr); -

1198 } else { -

1199 qGeomCalc(d->vLayouts, 0, d->vLayoutCount, cr.y(), cr.height()); -

1200 d->arrangeWidgets(d->vLayouts, cr); -

1201 } -

1202 QLayout::setGeometry(rect); -

1203 } -

1204 } -

1205 -

1206 -

1207 -

1208 -

1209 QSize QFormLayout::sizeHint() const -

1210 { -

1211 const QFormLayoutPrivate * const d = d_func(); -

1212 if (!d->prefSize.isValid()) { -

1213 QFormLayoutPrivate *dat = const_cast<QFormLayoutPrivate *>(d); -

1214 dat->calcSizeHints(); -

1215 } -

1216 return d->prefSize; -

1217 } -

1218 -

1219 -

1220 -

1221 -

1222 QSize QFormLayout::minimumSize() const -

1223 { -

1224 -

1225 const QFormLayoutPrivate * const d = d_func(); -

1226 if (!d->minSize.isValid()) { -

1227 QFormLayoutPrivate *dat = const_cast<QFormLayoutPrivate *>(d); -

1228 dat->calcSizeHints(); -

1229 } -

1230 return d->minSize; -

1231 } -

1232 -

1233 -

1234 -

1235 -

1236 void QFormLayout::invalidate() -

1237 { -

1238 QFormLayoutPrivate * const d = d_func(); -

1239 d->dirty = true; -

1240 d->sizesDirty = true; -

1241 d->minSize = QSize(); -

1242 d->prefSize = QSize(); -

1243 d->formMaxWidth = -1; -

1244 d->hfw_width = -1; -

1245 d->sh_width = -1; -

1246 d->layoutWidth = -1; -

1247 d->hfw_sh_height = -1; -

1248 QLayout::invalidate(); -

1249 } -

1250 -

1251 -

1252 -

1253 -

1254 -

1255 -

1256 int QFormLayout::rowCount() const -

1257 { -

1258 const QFormLayoutPrivate * const d = d_func(); -

1259 return d->m_matrix.rowCount(); -

1260 } -

1261 -

1262 -

1263 -

1264 -

1265 -

1266 -

1267 -

1268 QLayoutItem *QFormLayout::itemAt(int row, ItemRole role) const -

1269 { -

1270 const QFormLayoutPrivate * const d = d_func(); -

1271 if (uint(row) >= uint(d->m_matrix.rowCount())) -

1272 return 0; -

1273 switch (role) { -

1274 case SpanningRole: -

1275 if (QFormLayoutItem *item = d->m_matrix(row, 1)) -

1276 if (item->fullRow) -

1277 return item->item; -

1278 break; -

1279 case LabelRole: -

1280 case FieldRole: -

1281 if (QFormLayoutItem *item = d->m_matrix(row, (role == LabelRole) ? 0 : 1)) -

1282 return item->item; -

1283 break; -

1284 } -

1285 return 0; -

1286 } -

1287 void QFormLayout::getItemPosition(int index, int *rowPtr, ItemRole *rolePtr) const -

1288 { -

1289 const QFormLayoutPrivate * const d = d_func(); -

1290 int col = -1; -

1291 int row = -1; -

1292 -

1293 const int storageIndex = storageIndexFromLayoutItem(d->m_matrix, d->m_things.value(index)); -

1294 if (storageIndex != -1) -

1295 QFormLayoutPrivate::ItemMatrix::storageIndexToPosition(storageIndex, &row, &col); -

1296 -

1297 if (rowPtr) -

1298 *rowPtr = row; -

1299 if (rolePtr && col != -1) { -

1300 const bool spanning = col == 1 && d->m_matrix(row, col)->fullRow; -

1301 if (spanning) { -

1302 *rolePtr = SpanningRole; -

1303 } else { -

1304 *rolePtr = ItemRole(col); -

1305 } -

1306 } -

1307 } -

1308 -

1309 -

1310 -

1311 -

1312 -

1313 -

1314 -

1315 void QFormLayout::getLayoutPosition(QLayout *layout, int *rowPtr, ItemRole *rolePtr) const -

1316 { -

1317 int n = count(); -

1318 int index = 0; -

1319 while (index < n) { -

1320 if (itemAt(index) == layout) -

1321 break; -

1322 ++index; -

1323 } -

1324 getItemPosition(index, rowPtr, rolePtr); -

1325 } -

1326 void QFormLayout::getWidgetPosition(QWidget *widget, int *rowPtr, ItemRole *rolePtr) const -

1327 { -

1328 getItemPosition(indexOf(widget), rowPtr, rolePtr); -

1329 } -

1330 QWidget *QFormLayout::labelForField(QWidget *field) const -

1331 { -

1332 const QFormLayoutPrivate * const d = d_func(); -

1333 -

1334 int row; -

1335 ItemRole role = LabelRole; -

1336 -

1337 getWidgetPosition(field, &row, &role); -

1338 -

1339 if (row != -1 && role == FieldRole) { -

1340 if (QFormLayoutItem *label = d->m_matrix(row, LabelRole)) -

1341 return label->widget(); -

1342 } -

1343 return 0; -

1344 } -

1345 -

1346 -

1347 -

1348 -

1349 QWidget *QFormLayout::labelForField(QLayout *field) const -

1350 { -

1351 const QFormLayoutPrivate * const d = d_func(); -

1352 -

1353 int row; -

1354 ItemRole role; -

1355 -

1356 getLayoutPosition(field, &row, &role); -

1357 -

1358 if (row != -1 && role == FieldRole) { -

1359 if (QFormLayoutItem *label = d->m_matrix(row, LabelRole)) -

1360 return label->widget(); -

1361 } -

1362 return 0; -

1363 } -

1364 void QFormLayout::setFieldGrowthPolicy(FieldGrowthPolicy policy) -

1365 { -

1366 QFormLayoutPrivate * const d = d_func(); -

1367 if (FieldGrowthPolicy(d->fieldGrowthPolicy) != policy) { -

1368 d->fieldGrowthPolicy = policy; -

1369 invalidate(); -

1370 } -

1371 } -

1372 -

1373 QFormLayout::FieldGrowthPolicy QFormLayout::fieldGrowthPolicy() const -

1374 { -

1375 const QFormLayoutPrivate * const d = d_func(); -

1376 if (d->fieldGrowthPolicy == DefaultFieldGrowthPolicy) { -

1377 return QFormLayout::FieldGrowthPolicy(d->getStyle()->styleHint(QStyle::SH_FormLayoutFieldGrowthPolicy)); -

1378 } else { -

1379 return QFormLayout::FieldGrowthPolicy(d->fieldGrowthPolicy); -

1380 } -

1381 } -

1382 void QFormLayout::setRowWrapPolicy(RowWrapPolicy policy) -

1383 { -

1384 QFormLayoutPrivate * const d = d_func(); -

1385 if (RowWrapPolicy(d->rowWrapPolicy) != policy) { -

1386 d->rowWrapPolicy = policy; -

1387 invalidate(); -

1388 } -

1389 } -

1390 -

1391 QFormLayout::RowWrapPolicy QFormLayout::rowWrapPolicy() const -

1392 { -

1393 const QFormLayoutPrivate * const d = d_func(); -

1394 if (d->rowWrapPolicy == DefaultRowWrapPolicy) { -

1395 return QFormLayout::RowWrapPolicy(d->getStyle()->styleHint(QStyle::SH_FormLayoutWrapPolicy)); -

1396 } else { -

1397 return QFormLayout::RowWrapPolicy(d->rowWrapPolicy); -

1398 } -

1399 } -

1400 void QFormLayout::setLabelAlignment(Qt::Alignment alignment) -

1401 { -

1402 QFormLayoutPrivate * const d = d_func(); -

1403 if (d->labelAlignment != alignment) { -

1404 d->labelAlignment = alignment; -

1405 invalidate(); -

1406 } -

1407 } -

1408 -

1409 Qt::Alignment QFormLayout::labelAlignment() const -

1410 { -

1411 const QFormLayoutPrivate * const d = d_func(); -

1412 if (!d->labelAlignment) { -

1413 return Qt::Alignment(d->getStyle()->styleHint(QStyle::SH_FormLayoutLabelAlignment)); -

1414 } else { -

1415 return d->labelAlignment; -

1416 } -

1417 } -

1418 void QFormLayout::setFormAlignment(Qt::Alignment alignment) -

1419 { -

1420 QFormLayoutPrivate * const d = d_func(); -

1421 if (d->formAlignment != alignment) { -

1422 d->formAlignment = alignment; -

1423 invalidate(); -

1424 } -

1425 } -

1426 -

1427 Qt::Alignment QFormLayout::formAlignment() const -

1428 { -

1429 const QFormLayoutPrivate * const d = d_func(); -

1430 if (!d->formAlignment) { -

1431 return Qt::Alignment(d->getStyle()->styleHint(QStyle::SH_FormLayoutFormAlignment)); -

1432 } else { -

1433 return d->formAlignment; -

1434 } -

1435 } -

1436 void QFormLayout::setHorizontalSpacing(int spacing) -

1437 { -

1438 QFormLayoutPrivate * const d = d_func(); -

1439 if (spacing != d->hSpacing) { -

1440 d->hSpacing = spacing; -

1441 invalidate(); -

1442 } -

1443 } -

1444 -

1445 int QFormLayout::horizontalSpacing() const -

1446 { -

1447 const QFormLayoutPrivate * const d = d_func(); -

1448 if (d->hSpacing >= 0) { -

1449 return d->hSpacing; -

1450 } else { -

1451 return qSmartSpacing(this, QStyle::PM_LayoutHorizontalSpacing); -

1452 } -

1453 } -

1454 void QFormLayout::setVerticalSpacing(int spacing) -

1455 { -

1456 QFormLayoutPrivate * const d = d_func(); -

1457 if (spacing != d->vSpacing) { -

1458 d->vSpacing = spacing; -

1459 invalidate(); -

1460 } -

1461 } -

1462 -

1463 int QFormLayout::verticalSpacing() const -

1464 { -

1465 const QFormLayoutPrivate * const d = d_func(); -

1466 if (d->vSpacing >= 0) { -

1467 return d->vSpacing; -

1468 } else { -

1469 return qSmartSpacing(this, QStyle::PM_LayoutVerticalSpacing); -

1470 } -

1471 } -

1472 -

1473 -

1474 -

1475 -

1476 -

1477 -

1478 -

1479 void QFormLayout::setSpacing(int spacing) -

1480 { -

1481 QFormLayoutPrivate * const d = d_func(); -

1482 d->vSpacing = d->hSpacing = spacing; -

1483 invalidate(); -

1484 } -

1485 -

1486 -

1487 -

1488 -

1489 -

1490 -

1491 -

1492 int QFormLayout::spacing() const -

1493 { -

1494 int hSpacing = horizontalSpacing(); -

1495 if (hSpacing == verticalSpacing()) { -

1496 return hSpacing; -

1497 } else { -

1498 return -1; -

1499 } -

1500 } -

1501 -

1502 void QFormLayoutPrivate::arrangeWidgets(const QVector<QLayoutStruct>& layouts, QRect &rect) -

1503 { -

1504 QFormLayout * const q = q_func(); -

1505 -

1506 int i; -

1507 const int rr = m_matrix.rowCount(); -

1508 QWidget *w = q->parentWidget(); -

1509 Qt::LayoutDirection layoutDirection = w ? w->layoutDirection() : QApplication::layoutDirection(); -

1510 -

1511 Qt::Alignment formAlignment = fixedAlignment(q->formAlignment(), layoutDirection); -

1512 int leftOffset = 0; -

1513 int delta = rect.width() - formMaxWidth; -

1514 if (formAlignment & (Qt::AlignHCenter | Qt::AlignRight) && delta > 0) { -

1515 leftOffset = delta; -

1516 if (formAlignment & Qt::AlignHCenter) -

1517 leftOffset >>= 1; -

1518 } -

1519 -

1520 for (i = 0; i < rr; ++i) { -

1521 QFormLayoutItem *label = m_matrix(i, 0); -

1522 QFormLayoutItem *field = m_matrix(i, 1); -

1523 -

1524 if (label) { -

1525 int height = layouts.at(label->vLayoutIndex).size; -

1526 if ((label->expandingDirections() & Qt::Vertical) == 0) { -

1527 -

1528 -

1529 -

1530 -

1531 -

1532 -

1533 height = qMin(height, -

1534 qMin(label->sizeHint.height() * 7 / 4, -

1535 label->maxSize.height())); -

1536 } -

1537 -

1538 QSize sz(qMin(label->layoutWidth, label->sizeHint.width()), height); -

1539 int x = leftOffset + rect.x() + label->layoutPos; -

1540 if (fixedAlignment(q->labelAlignment(), layoutDirection) & Qt::AlignRight) -

1541 x += label->layoutWidth - sz.width(); -

1542 QPoint p(x, layouts.at(label->vLayoutIndex).pos); -

1543 -

1544 -

1545 label->setGeometry(QStyle::visualRect(layoutDirection, rect, QRect(p, sz))); -

1546 } -

1547 -

1548 if (field) { -

1549 QSize sz(field->layoutWidth, layouts.at(field->vLayoutIndex).size); -

1550 QPoint p(field->layoutPos + leftOffset + rect.x(), layouts.at(field->vLayoutIndex).pos); -

1551 -

1552 -

1553 -

1554 -

1555 -

1556 -

1557 if (field->maxSize.isValid()) -

1558 sz = sz.boundedTo(field->maxSize); -

1559 -

1560 field->setGeometry(QStyle::visualRect(layoutDirection, rect, QRect(p, sz))); -

1561 } -

1562 } -

1563 } -

1564 void QFormLayout::setWidget(int row, ItemRole role, QWidget *widget) -

1565 { -

1566 QFormLayoutPrivate * const d = d_func(); -

1567 int rowCnt = rowCount(); -

1568 if (row >= rowCnt) -

1569 d->insertRows(rowCnt, row - rowCnt + 1); -

1570 d->setWidget(row, role, widget); -

1571 } -

1572 void QFormLayout::setLayout(int row, ItemRole role, QLayout *layout) -

1573 { -

1574 QFormLayoutPrivate * const d = d_func(); -

1575 int rowCnt = rowCount(); -

1576 if (row >= rowCnt) -

1577 d->insertRows(rowCnt, row - rowCnt + 1); -

1578 d->setLayout(row, role, layout); -

1579 } -

1580 void QFormLayout::setItem(int row, ItemRole role, QLayoutItem *item) -

1581 { -

1582 QFormLayoutPrivate * const d = d_func(); -

1583 int rowCnt = rowCount(); -

1584 if (row >= rowCnt) -

1585 d->insertRows(rowCnt, row - rowCnt + 1); -

1586 d->setItem(row, role, item); -

1587 } -

1588 -

1589 -

1590 -

1591 -

1592 -

1593 void QFormLayout::resetFieldGrowthPolicy() -

1594 { -

1595 QFormLayoutPrivate * const d = d_func(); -

1596 d->fieldGrowthPolicy = DefaultFieldGrowthPolicy; -

1597 } -

1598 -

1599 -

1600 -

1601 -

1602 -

1603 void QFormLayout::resetRowWrapPolicy() -

1604 { -

1605 QFormLayoutPrivate * const d = d_func(); -

1606 d->rowWrapPolicy = DefaultRowWrapPolicy; -

1607 } -

1608 -

1609 -

1610 -

1611 -

1612 -

1613 void QFormLayout::resetFormAlignment() -

1614 { -

1615 QFormLayoutPrivate * const d = d_func(); -

1616 d->formAlignment = 0; -

1617 } -

1618 -

1619 -

1620 -

1621 -

1622 -

1623 void QFormLayout::resetLabelAlignment() -

1624 { -

1625 QFormLayoutPrivate * const d = d_func(); -

1626 d->labelAlignment = 0; -

1627 } -

1628 -

1629 -

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