qstackedlayout.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/widgets/kernel/qstackedlayout.cpp

Switch to Source code

Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 class QStackedLayoutPrivate : public QLayoutPrivate -

6 { -

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

8 public: -

QStackedLayoutPrivate() : index(-1), stackingMode(QStackedLayout::StackOne) {}

never executed: end of block

10 QLayoutItem* replaceAt(int index, QLayoutItem *newitem) override; -

11 QList<QLayoutItem *> list; -

12 int index; -

13 QStackedLayout::StackingMode stackingMode; -

14 }; -

15 -

16 QLayoutItem* QStackedLayoutPrivate::replaceAt(int idx, QLayoutItem *newitem) -

17 { -

18 QStackedLayout * const q = q_func(); -

if (idx < 0

idx < 0	Description
TRUE	never evaluated
FALSE	never evaluated

|| idx >= list.size()

idx >= list.size()	Description
TRUE	never evaluated
FALSE	never evaluated

|| !newitem

!newitem	Description
TRUE	never evaluated
FALSE	never evaluated

)

return

never executed: return 0;

21 QWidget *wdg = newitem->widget(); -

if (!wdg

!wdg	Description
TRUE	never evaluated
FALSE	never evaluated

) {

23 QMessageLogger(__FILE__, 61, __PRETTY_FUNCTION__).warning("QStackedLayout::replaceAt: Only widgets can be added"); -

return

never executed: return 0;

25 } -

26 QLayoutItem *orgitem = list.at(idx); -

27 list.replace(idx, newitem); -

if (idx == index

idx == index	Description
TRUE	never evaluated
FALSE	never evaluated

)

q->setCurrentIndex(index);

never executed: q->setCurrentIndex(index);

return

never executed: return orgitem;

orgitem;

never executed: return orgitem;

31 } -

32 QStackedLayout::QStackedLayout() -

33 : QLayout(*new QStackedLayoutPrivate, 0, 0) -

34 { -

}

never executed: end of block

36 -

37 -

38 -

39 -

40 -

41 -

42 -

43 QStackedLayout::QStackedLayout(QWidget *parent) -

44 : QLayout(*new QStackedLayoutPrivate, 0, parent) -

45 { -

}

never executed: end of block

47 -

48 -

49 -

50 -

51 -

52 QStackedLayout::QStackedLayout(QLayout *parentLayout) -

53 : QLayout(*new QStackedLayoutPrivate, parentLayout, 0) -

54 { -

}

never executed: end of block

56 -

57 -

58 -

59 -

60 -

61 QStackedLayout::~QStackedLayout() -

62 { -

63 QStackedLayoutPrivate * const d = d_func(); -

64 qDeleteAll(d->list); -

}

never executed: end of block

66 int QStackedLayout::addWidget(QWidget *widget) -

67 { -

68 QStackedLayoutPrivate * const d = d_func(); -

return

never executed: return insertWidget(d->list.count(), widget);

insertWidget(d->list.count(), widget);

never executed: return insertWidget(d->list.count(), widget);

70 } -

71 int QStackedLayout::insertWidget(int index, QWidget *widget) -

72 { -

73 QStackedLayoutPrivate * const d = d_func(); -

74 addChildWidget(widget); -

75 index = qMin(index, d->list.count()); -

if (index < 0

index < 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

index = d->list.count();

never executed: index = d->list.count();

78 QWidgetItem *wi = QLayoutPrivate::createWidgetItem(this, widget); -

79 d->list.insert(index, wi); -

80 invalidate(); -

if (d->index < 0

d->index < 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

82 setCurrentIndex(index); -

}

never executed: end of block

else {

if (index <= d->index

index <= d->index	Description
TRUE	never evaluated
FALSE	never evaluated

)

never executed: ++d->index;

d->index;

never executed: ++d->index;

if (d->stackingMode == StackOne

d->stackingMode == StackOne	Description
TRUE	never evaluated
FALSE	never evaluated

)

widget->hide();

never executed: widget->hide();

88 widget->lower(); -

}

never executed: end of block

return

never executed: return index;

index;

never executed: return index;

91 } -

92 -

93 -

94 -

95 -

96 QLayoutItem *QStackedLayout::itemAt(int index) const -

97 { -

98 const QStackedLayoutPrivate * const d = d_func(); -

return

never executed: return d->list.value(index);

d->list.value(index);

never executed: return d->list.value(index);

100 } -

101 -

102 -

103 -

104 -

105 static bool qt_wasDeleted(const QWidget *w) -

106 { -

107

return

never executed: return QWidgetPrivate::get(w)->wasDeleted;

QWidgetPrivate::get(w)->wasDeleted;

never executed: return QWidgetPrivate::get(w)->wasDeleted;

108 } -

109 -

110 -

111 -

112 -

113 -

114 QLayoutItem *QStackedLayout::takeAt(int index) -

115 { -

116 QStackedLayoutPrivate * const d = d_func(); -

117

if (index <0

index <0	Description
TRUE	never evaluated
FALSE	never evaluated

|| index >= d->list.size()

index >= d->list.size()	Description
TRUE	never evaluated
FALSE	never evaluated

)

118

return

never executed: return 0;

119 QLayoutItem *item = d->list.takeAt(index); -

120

if (index == d->index

index == d->index	Description
TRUE	never evaluated
FALSE	never evaluated

) {

121 d->index = -1; -

122

if ( d->list.count() > 0

d->list.count() > 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

123

int newIndex = (

(index == d->list.count())	Description
TRUE	never evaluated
FALSE	never evaluated

index == d->list.count())

(index == d->list.count())	Description
TRUE	never evaluated
FALSE	never evaluated

? index-1 : index;

124 setCurrentIndex(newIndex); -

125

}

never executed: end of block

else {

126 currentChanged(-1); -

127

}

never executed: end of block

128

} else if (index < d->index

index < d->index	Description
TRUE	never evaluated
FALSE	never evaluated

) {

129 --d->index; -

130

}

never executed: end of block

131 widgetRemoved(index); -

132

if (item->widget()

item->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

&& !qt_wasDeleted(item->widget())

!qt_wasDeleted(item->widget())	Description
TRUE	never evaluated
FALSE	never evaluated

)

133

item->widget()->hide();

never executed: item->widget()->hide();

134

return

never executed: return item;

item;

never executed: return item;

135 } -

136 void QStackedLayout::setCurrentIndex(int index) -

137 { -

138 QStackedLayoutPrivate * const d = d_func(); -

139 QWidget *prev = currentWidget(); -

140 QWidget *next = widget(index); -

141

if (!next

!next	Description
TRUE	never evaluated
FALSE	never evaluated

|| next == prev

next == prev	Description
TRUE	never evaluated
FALSE	never evaluated

)

142

return;

never executed: return;

143 -

144 bool reenableUpdates = false; -

145 QWidget *parent = parentWidget(); -

146 -

147

if (parent

parent	Description
TRUE	never evaluated
FALSE	never evaluated

&& parent->updatesEnabled()

parent->updatesEnabled()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

148 reenableUpdates = true; -

149 parent->setUpdatesEnabled(false); -

150

}

never executed: end of block

151 -

152

QPointer<QWidget> fw = parent

parent	Description
TRUE	never evaluated
FALSE	never evaluated

? parent->window()->focusWidget() : 0;

153

const bool focusWasOnOldPage = fw

fw	Description
TRUE	never evaluated
FALSE	never evaluated

&& (prev

prev	Description
TRUE	never evaluated
FALSE	never evaluated

&& prev->isAncestorOf(fw)

prev->isAncestorOf(fw)	Description
TRUE	never evaluated
FALSE	never evaluated

);

154 -

155

if (prev

prev	Description
TRUE	never evaluated
FALSE	never evaluated

) {

156 prev->clearFocus(); -

157

if (d->stackingMode == StackOne

d->stackingMode == StackOne	Description
TRUE	never evaluated
FALSE	never evaluated

)

158

prev->hide();

never executed: prev->hide();

159

}

never executed: end of block

160 -

161 d->index = index; -

162 next->raise(); -

163 next->show(); -

164 -

165 -

166 -

167 -

168

if (parent

parent	Description
TRUE	never evaluated
FALSE	never evaluated

) {

169

if (focusWasOnOldPage

focusWasOnOldPage	Description
TRUE	never evaluated
FALSE	never evaluated

) {

170 -

171

if (QWidget *nfw = next->focusWidget()

QWidget *nfw =...>focusWidget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

172

nfw->setFocus();

never executed: nfw->setFocus();

173 else { -

174 -

175

if (QWidget *i = fw

QWidget *i = fw	Description
TRUE	never evaluated
FALSE	never evaluated

) {

176

while ((

(i = i->nextIn...Chain()) != fw	Description
TRUE	never evaluated
FALSE	never evaluated

i = i->nextInFocusChain()) != fw

(i = i->nextIn...Chain()) != fw	Description
TRUE	never evaluated
FALSE	never evaluated

) {

177

if (((

((i->focusPoli... Qt::TabFocus)	Description
TRUE	never evaluated
FALSE	never evaluated

i->focusPolicy() & Qt::TabFocus) == Qt::TabFocus)

((i->focusPoli... Qt::TabFocus)	Description
TRUE	never evaluated
FALSE	never evaluated

178

&& !i->focusProxy()

!i->focusProxy()	Description
TRUE	never evaluated
FALSE	never evaluated

&& i->isVisibleTo(next)

i->isVisibleTo(next)	Description
TRUE	never evaluated
FALSE	never evaluated

&& i->isEnabled()

i->isEnabled()	Description
TRUE	never evaluated
FALSE	never evaluated

179

&& next->isAncestorOf(i)

next->isAncestorOf(i)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

180 i->setFocus(); -

181

break;

never executed: break;

182 } -

183

}

never executed: end of block

184 -

185

if (i == fw

i == fw	Description
TRUE	never evaluated
FALSE	never evaluated

)

186

next->setFocus();

never executed: next->setFocus();

187

}

never executed: end of block

188

}

never executed: end of block

189 } -

190

}

never executed: end of block

191

if (reenableUpdates

reenableUpdates	Description
TRUE	never evaluated
FALSE	never evaluated

)

192

parent->setUpdatesEnabled(true);

never executed: parent->setUpdatesEnabled(true);

193 currentChanged(index); -

194

}

never executed: end of block

195 -

196 int QStackedLayout::currentIndex() const -

197 { -

198 const QStackedLayoutPrivate * const d = d_func(); -

199

return

never executed: return d->index;

d->index;

never executed: return d->index;

200 } -

201 void QStackedLayout::setCurrentWidget(QWidget *widget) -

202 { -

203 int index = indexOf(widget); -

204

if (index == -1

index == -1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

205 QMessageLogger(__FILE__, 367, __PRETTY_FUNCTION__).warning("QStackedLayout::setCurrentWidget: Widget %p not contained in stack", widget); -

206

return;

never executed: return;

207 } -

208 setCurrentIndex(index); -

209

}

never executed: end of block

210 QWidget *QStackedLayout::currentWidget() const -

211 { -

212 const QStackedLayoutPrivate * const d = d_func(); -

213

return

never executed: return d->index >= 0 ? d->list.at(d->index)->widget() : 0;

d->index >= 0

d->index >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

? d->list.at(d->index)->widget() : 0;

never executed: return d->index >= 0 ? d->list.at(d->index)->widget() : 0;

214 } -

215 -

216 -

217 -

218 -

219 -

220 -

221 -

222 QWidget *QStackedLayout::widget(int index) const -

223 { -

224 const QStackedLayoutPrivate * const d = d_func(); -

225

if (index < 0

index < 0	Description
TRUE	never evaluated
FALSE	never evaluated

|| index >= d->list.size()

index >= d->list.size()	Description
TRUE	never evaluated
FALSE	never evaluated

)

226

return

never executed: return 0;

227

return

never executed: return d->list.at(index)->widget();

d->list.at(index)->widget();

never executed: return d->list.at(index)->widget();

228 } -

229 -

230 -

231 -

232 -

233 -

234 -

235 -

236 int QStackedLayout::count() const -

237 { -

238 const QStackedLayoutPrivate * const d = d_func(); -

239

return

never executed: return d->list.size();

d->list.size();

never executed: return d->list.size();

240 } -

241 -

242 -

243 -

244 -

245 -

246 void QStackedLayout::addItem(QLayoutItem *item) -

247 { -

248 QWidget *widget = item->widget(); -

249

if (widget

widget	Description
TRUE	never evaluated
FALSE	never evaluated

) {

250 addWidget(widget); -

251 delete item; -

252

}

never executed: end of block

else {

253 QMessageLogger(__FILE__, 423, __PRETTY_FUNCTION__).warning("QStackedLayout::addItem: Only widgets can be added"); -

254

}

never executed: end of block

255 } -

256 -

257 -

258 -

259 -

260 QSize QStackedLayout::sizeHint() const -

261 { -

262 const QStackedLayoutPrivate * const d = d_func(); -

263 QSize s(0, 0); -

264 int n = d->list.count(); -

265 -

266

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

267

if (QWidget *widget = d->list.at(i)->widget()

QWidget *widge...t(i)->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

268 QSize ws(widget->sizeHint()); -

269

if (widget->sizePolicy().horizontalPolicy() == QSizePolicy::Ignored

widget->sizePo...olicy::Ignored	Description
TRUE	never evaluated
FALSE	never evaluated

)

270

ws.setWidth(0);

never executed: ws.setWidth(0);

271

if (widget->sizePolicy().verticalPolicy() == QSizePolicy::Ignored

widget->sizePo...olicy::Ignored	Description
TRUE	never evaluated
FALSE	never evaluated

)

272

ws.setHeight(0);

never executed: ws.setHeight(0);

273 s = s.expandedTo(ws); -

274

}

never executed: end of block

275

return

never executed: return s;

276 } -

277 -

278 -

279 -

280 -

281 QSize QStackedLayout::minimumSize() const -

282 { -

283 const QStackedLayoutPrivate * const d = d_func(); -

284 QSize s(0, 0); -

285 int n = d->list.count(); -

286 -

287

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

288

if (QWidget *widget = d->list.at(i)->widget()

QWidget *widge...t(i)->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

289

s = s.expandedTo(qSmartMinSize(widget));

never executed: s = s.expandedTo(qSmartMinSize(widget));

290

return

never executed: return s;

291 } -

292 -

293 -

294 -

295 -

296 void QStackedLayout::setGeometry(const QRect &rect) -

297 { -

298 QStackedLayoutPrivate * const d = d_func(); -

299 switch (d->stackingMode) { -

300

case

never executed: case StackOne:

StackOne:

never executed: case StackOne:

301

if (QWidget *widget = currentWidget()

QWidget *widge...urrentWidget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

302

widget->setGeometry(rect);

never executed: widget->setGeometry(rect);

303

break;

never executed: break;

304

case

never executed: case StackAll:

StackAll:

never executed: case StackAll:

305

if (const

const int n = d->list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

int n = d->list.count()

const int n = d->list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

)

306

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

307

if (QWidget *widget = d->list.at(i)->widget()

QWidget *widge...t(i)->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

308

widget->setGeometry(rect);

never executed: widget->setGeometry(rect);

309

break;

never executed: break;

310 } -

311

}

never executed: end of block

312 -

313 -

314 -

315 -

316 bool QStackedLayout::hasHeightForWidth() const -

317 { -

318 const int n = count(); -

319 -

320

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i) {

321

if (QLayoutItem *item = itemAt(i)

QLayoutItem *item = itemAt(i)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

322

if (item->hasHeightForWidth()

item->hasHeightForWidth()	Description
TRUE	never evaluated
FALSE	never evaluated

)

323

return

never executed: return true;

true;

never executed: return true;

324

}

never executed: end of block

325

}

never executed: end of block

326

return

never executed: return false;

false;

never executed: return false;

327 } -

328 -

329 -

330 -

331 -

332 int QStackedLayout::heightForWidth(int width) const -

333 { -

334 const int n = count(); -

335 -

336 int hfw = 0; -

337

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i) {

338

if (QLayoutItem *item = itemAt(i)

QLayoutItem *item = itemAt(i)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

339

if (QWidget *w = item->widget()

QWidget *w = item->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

340 -

341 -

342 -

343 -

344 -

345 -

346

hfw = qMax(hfw, w->heightForWidth(width));

never executed: hfw = qMax(hfw, w->heightForWidth(width));

347

}

never executed: end of block

348

}

never executed: end of block

349 hfw = qMax(hfw, minimumSize().height()); -

350

return

never executed: return hfw;

hfw;

never executed: return hfw;

351 } -

352 QStackedLayout::StackingMode QStackedLayout::stackingMode() const -

353 { -

354 const QStackedLayoutPrivate * const d = d_func(); -

355

return

never executed: return d->stackingMode;

d->stackingMode;

never executed: return d->stackingMode;

356 } -

357 -

358 void QStackedLayout::setStackingMode(StackingMode stackingMode) -

359 { -

360 QStackedLayoutPrivate * const d = d_func(); -

361

if (d->stackingMode == stackingMode

d->stackingMod...= stackingMode	Description
TRUE	never evaluated
FALSE	never evaluated

)

362

return;

never executed: return;

363 d->stackingMode = stackingMode; -

364 -

365 const int n = d->list.count(); -

366

if (n == 0

n == 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

367

return;

never executed: return;

368 -

369 switch (d->stackingMode) { -

370

case

never executed: case StackOne:

StackOne:

never executed: case StackOne:

371

if (const

const int idx = currentIndex()	Description
TRUE	never evaluated
FALSE	never evaluated

int idx = currentIndex()

const int idx = currentIndex()	Description
TRUE	never evaluated
FALSE	never evaluated

)

372

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

373

if (QWidget *widget = d->list.at(i)->widget()

QWidget *widge...t(i)->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

374

widget->setVisible(i == idx);

never executed: widget->setVisible(i == idx);

375

break;

never executed: break;

376

case

never executed: case StackAll:

StackAll:

never executed: case StackAll:

{

377 QRect geometry; -

378

if (const

const QWidget ...urrentWidget()	Description
TRUE	never evaluated
FALSE	never evaluated

QWidget *widget = currentWidget()

const QWidget ...urrentWidget()	Description
TRUE	never evaluated
FALSE	never evaluated

)

379

geometry = widget->geometry();

never executed: geometry = widget->geometry();

380

for (int i = 0; i < n

i < n	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

381

if (QWidget *widget = d->list.at(i)->widget()

QWidget *widge...t(i)->widget()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

382

if (!geometry.isNull()

!geometry.isNull()	Description
TRUE	never evaluated
FALSE	never evaluated

)

383

widget->setGeometry(geometry);

never executed: widget->setGeometry(geometry);

384 widget->setVisible(true); -

385

}

never executed: end of block

386 } -

387

break;

never executed: break;

388 } -

389

}

never executed: end of block

390 -

391 -

392 -

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