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qdialogbuttonbox.cpp

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39 -

40 #include <QtCore/qhash.h> -

41 #include <QtWidgets/qpushbutton.h> -

42 #include <QtWidgets/qstyle.h> -

43 #include <QtWidgets/qlayout.h> -

44 #include <QtWidgets/qdialog.h> -

45 #include <QtWidgets/qapplication.h> -

46 #include <private/qwidget_p.h> -

47 #include <private/qguiapplication_p.h> -

48 #include <QtGui/qpa/qplatformdialoghelper.h> -

49 #include <QtGui/qpa/qplatformtheme.h> -

50 #include <QtWidgets/qaction.h> -

51 -

52 #include "qdialogbuttonbox.h" -

53 -

54 QT_BEGIN_NAMESPACE -

55 -

56 /*! -

57 \class QDialogButtonBox -

58 \since 4.2 -

59 \brief The QDialogButtonBox class is a widget that presents buttons in a -

60 layout that is appropriate to the current widget style. -

61 -

62 \ingroup dialog-classes -

63 \inmodule QtWidgets -

64 -

65 Dialogs and message boxes typically present buttons in a layout that -

66 conforms to the interface guidelines for that platform. Invariably, -

67 different platforms have different layouts for their dialogs. -

68 QDialogButtonBox allows a developer to add buttons to it and will -

69 automatically use the appropriate layout for the user's desktop -

70 environment. -

71 -

72 Most buttons for a dialog follow certain roles. Such roles include: -

73 -

74 \list -

75 \li Accepting or rejecting the dialog. -

76 \li Asking for help. -

77 \li Performing actions on the dialog itself (such as resetting fields or -

78 applying changes). -

79 \endlist -

80 -

81 There can also be alternate ways of dismissing the dialog which may cause -

82 destructive results. -

83 -

84 Most dialogs have buttons that can almost be considered standard (e.g. -

85 \uicontrol OK and \uicontrol Cancel buttons). It is sometimes convenient to create these -

86 buttons in a standard way. -

87 -

88 There are a couple ways of using QDialogButtonBox. One ways is to create -

89 the buttons (or button texts) yourself and add them to the button box, -

90 specifying their role. -

91 -

92 \snippet dialogs/extension/finddialog.cpp 1 -

93 -

94 Alternatively, QDialogButtonBox provides several standard buttons (e.g. OK, Cancel, Save) -

95 that you can use. They exist as flags so you can OR them together in the constructor. -

96 -

97 \snippet dialogs/tabdialog/tabdialog.cpp 2 -

98 -

99 You can mix and match normal buttons and standard buttons. -

100 -

101 Currently the buttons are laid out in the following way if the button box is horizontal: -

102 \table -

103 \row \li \inlineimage buttonbox-gnomelayout-horizontal.png GnomeLayout Horizontal -

104 \li Button box laid out in horizontal GnomeLayout -

105 \row \li \inlineimage buttonbox-kdelayout-horizontal.png KdeLayout Horizontal -

106 \li Button box laid out in horizontal KdeLayout -

107 \row \li \inlineimage buttonbox-maclayout-horizontal.png MacLayout Horizontal -

108 \li Button box laid out in horizontal MacLayout -

109 \row \li \inlineimage buttonbox-winlayout-horizontal.png WinLayout Horizontal -

110 \li Button box laid out in horizontal WinLayout -

111 \endtable -

112 -

113 The buttons are laid out the following way if the button box is vertical: -

114 -

115 \table -

116 \row \li GnomeLayout -

117 \li KdeLayout -

118 \li MacLayout -

119 \li WinLayout -

120 \row \li \inlineimage buttonbox-gnomelayout-vertical.png GnomeLayout Vertical -

121 \li \inlineimage buttonbox-kdelayout-vertical.png KdeLayout Vertical -

122 \li \inlineimage buttonbox-maclayout-vertical.png MacLayout Vertical -

123 \li \inlineimage buttonbox-winlayout-vertical.png WinLayout Vertical -

124 \endtable -

125 -

126 Additionally, button boxes that contain only buttons with ActionRole or -

127 HelpRole can be considered modeless and have an alternate look on \macos: -

128 -

129 \table -

130 \row \li modeless horizontal MacLayout -

131 \li \inlineimage buttonbox-mac-modeless-horizontal.png Screenshot of modeless horizontal MacLayout -

132 \row \li modeless vertical MacLayout -

133 \li \inlineimage buttonbox-mac-modeless-vertical.png Screenshot of modeless vertical MacLayout -

134 \endtable -

135 -

136 When a button is clicked in the button box, the clicked() signal is emitted -

137 for the actual button is that is pressed. For convenience, if the button -

138 has an AcceptRole, RejectRole, or HelpRole, the accepted(), rejected(), or -

139 helpRequested() signals are emitted respectively. -

140 -

141 If you want a specific button to be default you need to call -

142 QPushButton::setDefault() on it yourself. However, if there is no default -

143 button set and to preserve which button is the default button across -

144 platforms when using the QPushButton::autoDefault property, the first push -

145 button with the accept role is made the default button when the -

146 QDialogButtonBox is shown, -

147 -

148 \sa QMessageBox, QPushButton, QDialog -

149 */ -

150 -

151 class QDialogButtonBoxPrivate : public QWidgetPrivate -

152 { -

153 Q_DECLARE_PUBLIC(QDialogButtonBox) -

154 -

155 public: -

156 QDialogButtonBoxPrivate(Qt::Orientation orient); -

157 -

158 QList<QAbstractButton *> buttonLists[QDialogButtonBox::NRoles]; -

159 QHash<QPushButton *, QDialogButtonBox::StandardButton> standardButtonHash; -

160 -

161 Qt::Orientation orientation; -

162 QDialogButtonBox::ButtonLayout layoutPolicy; -

163 QBoxLayout *buttonLayout; -

164 bool internalRemove; -

165 bool center; -

166 -

167 void createStandardButtons(QDialogButtonBox::StandardButtons buttons); -

168 -

169 void layoutButtons(); -

170 void initLayout(); -

171 void resetLayout(); -

172 QPushButton *createButton(QDialogButtonBox::StandardButton button, bool doLayout = true); -

173 void addButton(QAbstractButton *button, QDialogButtonBox::ButtonRole role, bool doLayout = true); -

174 void _q_handleButtonDestroyed(); -

175 void _q_handleButtonClicked(); -

176 void addButtonsToLayout(const QList<QAbstractButton *> &buttonList, bool reverse); -

177 void retranslateStrings(); -

178 }; -

179 -

180 QDialogButtonBoxPrivate::QDialogButtonBoxPrivate(Qt::Orientation orient) -

181 : orientation(orient), buttonLayout(0), internalRemove(false), center(false) -

182 { -

183

}

never executed: end of block

184 -

185 void QDialogButtonBoxPrivate::initLayout() -

186 { -

187 Q_Q(QDialogButtonBox); -

188 layoutPolicy = QDialogButtonBox::ButtonLayout(q->style()->styleHint(QStyle::SH_DialogButtonLayout, 0, q)); -

189

bool createNewLayout = buttonLayout == 0

buttonLayout == 0	Description
TRUE	never evaluated
FALSE	never evaluated

190

|| (orientation == Qt::Horizontal && qobject_cast<QVBoxLayout *>(buttonLayout) != 0)

orientation == Qt::Horizontal	Description
TRUE	never evaluated
FALSE	never evaluated

qobject_cast<Q...onLayout) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

191

|| (orientation == Qt::Vertical && qobject_cast<QHBoxLayout *>(buttonLayout) != 0);

orientation == Qt::Vertical	Description
TRUE	never evaluated
FALSE	never evaluated

qobject_cast<Q...onLayout) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

192

if (createNewLayout) {

createNewLayout	Description
TRUE	never evaluated
FALSE	never evaluated

193 delete buttonLayout; -

194

if (orientation == Qt::Horizontal)

orientation == Qt::Horizontal	Description
TRUE	never evaluated
FALSE	never evaluated

195

buttonLayout = new QHBoxLayout(q);

never executed: buttonLayout = new QHBoxLayout(q);

196 else -

197

buttonLayout = new QVBoxLayout(q);

never executed: buttonLayout = new QVBoxLayout(q);

198 } -

199 -

200 int left, top, right, bottom; -

201 setLayoutItemMargins(QStyle::SE_PushButtonLayoutItem); -

202 getLayoutItemMargins(&left, &top, &right, &bottom); -

203 buttonLayout->setContentsMargins(-left, -top, -right, -bottom); -

204 -

205

if (!q->testAttribute(Qt::WA_WState_OwnSizePolicy)) {

!q->testAttrib...OwnSizePolicy)	Description
TRUE	never evaluated
FALSE	never evaluated

206 QSizePolicy sp(QSizePolicy::Expanding, QSizePolicy::Fixed, QSizePolicy::ButtonBox); -

207

if (orientation == Qt::Vertical)

orientation == Qt::Vertical	Description
TRUE	never evaluated
FALSE	never evaluated

208

sp.transpose();

never executed: sp.transpose();

209 q->setSizePolicy(sp); -

210 q->setAttribute(Qt::WA_WState_OwnSizePolicy, false); -

211

}

never executed: end of block

212

}

never executed: end of block

213 -

214 void QDialogButtonBoxPrivate::resetLayout() -

215 { -

216 //delete buttonLayout; -

217 initLayout(); -

218 layoutButtons(); -

219

}

never executed: end of block

220 -

221 void QDialogButtonBoxPrivate::addButtonsToLayout(const QList<QAbstractButton *> &buttonList, -

222 bool reverse) -

223 { -

224

int start = reverse ? buttonList.count() - 1 : 0;

reverse	Description
TRUE	never evaluated
FALSE	never evaluated

225

int end = reverse ? -1 : buttonList.count();

reverse	Description
TRUE	never evaluated
FALSE	never evaluated

226

int step = reverse ? -1 : 1;

reverse	Description
TRUE	never evaluated
FALSE	never evaluated

227 -

228

for (int i = start; i != end; i += step) {

i != end	Description
TRUE	never evaluated
FALSE	never evaluated

229 QAbstractButton *button = buttonList.at(i); -

230 buttonLayout->addWidget(button); -

231 button->show(); -

232

}

never executed: end of block

233

}

never executed: end of block

234 -

235 void QDialogButtonBoxPrivate::layoutButtons() -

236 { -

237 Q_Q(QDialogButtonBox); -

238 const int MacGap = 36 - 8; // 8 is the default gap between a widget and a spacer item -

239 -

240

for (int i = buttonLayout->count() - 1; i >= 0; --i) {

i >= 0	Description
TRUE	never evaluated
FALSE	never evaluated

241 QLayoutItem *item = buttonLayout->takeAt(i); -

242

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

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

243

widget->hide();

never executed: widget->hide();

244 delete item; -

245

}

never executed: end of block

246 -

247 int tmpPolicy = layoutPolicy; -

248 -

249 static const int M = 5; -

250 static const int ModalRoles[M] = { QPlatformDialogHelper::AcceptRole, QPlatformDialogHelper::RejectRole, -

251 QPlatformDialogHelper::DestructiveRole, QPlatformDialogHelper::YesRole, QPlatformDialogHelper::NoRole }; -

252

if (tmpPolicy == QDialogButtonBox::MacLayout) {

tmpPolicy == Q...Box::MacLayout	Description
TRUE	never evaluated
FALSE	never evaluated

253 bool hasModalButton = false; -

254

for (int i = 0; i < M; ++i) {

i < M	Description
TRUE	never evaluated
FALSE	never evaluated

255

if (!buttonLists[ModalRoles[i]].isEmpty()) {

!buttonLists[M...[i]].isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

256 hasModalButton = true; -

257

break;

never executed: break;

258 } -

259

}

never executed: end of block

260

if (!hasModalButton)

!hasModalButton	Description
TRUE	never evaluated
FALSE	never evaluated

261

tmpPolicy = 4; // Mac modeless

never executed: tmpPolicy = 4;

262

}

never executed: end of block

263 -

264 const int *currentLayout = QPlatformDialogHelper::buttonLayout( -

265 orientation, static_cast<QPlatformDialogHelper::ButtonLayout>(tmpPolicy)); -

266 -

267

if (center)

center	Description
TRUE	never evaluated
FALSE	never evaluated

268

buttonLayout->addStretch();

never executed: buttonLayout->addStretch();

269 -

270 const QList<QAbstractButton *> &acceptRoleList = buttonLists[QPlatformDialogHelper::AcceptRole]; -

271 -

272

while (*currentLayout != QPlatformDialogHelper::EOL) {

*currentLayout...logHelper::EOL	Description
TRUE	never evaluated
FALSE	never evaluated

273 int role = (*currentLayout & ~QPlatformDialogHelper::Reverse); -

274 bool reverse = (*currentLayout & QPlatformDialogHelper::Reverse); -

275 -

276 switch (role) { -

277

case QPlatformDialogHelper::Stretch:

never executed: case QPlatformDialogHelper::Stretch:

278

if (!center)

!center	Description
TRUE	never evaluated
FALSE	never evaluated

279

buttonLayout->addStretch();

never executed: buttonLayout->addStretch();

280

break;

never executed: break;

281

case QPlatformDialogHelper::AcceptRole: {

never executed: case QPlatformDialogHelper::AcceptRole:

282

if (acceptRoleList.isEmpty())

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

283

break;

never executed: break;

284 // Only the first one -

285 QAbstractButton *button = acceptRoleList.first(); -

286 buttonLayout->addWidget(button); -

287 button->show(); -

288 } -

289

break;

never executed: break;

290

case QPlatformDialogHelper::AlternateRole:

never executed: case QPlatformDialogHelper::AlternateRole:

291

if (acceptRoleList.size() > 1)

acceptRoleList.size() > 1	Description
TRUE	never evaluated
FALSE	never evaluated

292

addButtonsToLayout(acceptRoleList.mid(1), reverse);

never executed: addButtonsToLayout(acceptRoleList.mid(1), reverse);

293

break;

never executed: break;

294

case QPlatformDialogHelper::DestructiveRole:

never executed: case QPlatformDialogHelper::DestructiveRole:

295 { -

296 const QList<QAbstractButton *> &list = buttonLists[role]; -

297 -

298 /* -

299 Mac: Insert a gap on the left of the destructive -

300 buttons to ensure that they don't get too close to -

301 the help and action buttons (but only if there are -

302 some buttons to the left of the destructive buttons -

303 (and the stretch, whence buttonLayout->count() > 1 -

304 and not 0)). -

305 */ -

306

if (tmpPolicy == QDialogButtonBox::MacLayout

tmpPolicy == Q...Box::MacLayout	Description
TRUE	never evaluated
FALSE	never evaluated

307

&& !list.isEmpty() && buttonLayout->count() > 1)

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

buttonLayout->count() > 1	Description
TRUE	never evaluated
FALSE	never evaluated

308

buttonLayout->addSpacing(MacGap);

never executed: buttonLayout->addSpacing(MacGap);

309 -

310 addButtonsToLayout(list, reverse); -

311 -

312 /* -

313 Insert a gap between the destructive buttons and the -

314 accept and reject buttons. -

315 */ -

316

if (tmpPolicy == QDialogButtonBox::MacLayout && !list.isEmpty())

tmpPolicy == Q...Box::MacLayout	Description
TRUE	never evaluated
FALSE	never evaluated

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

317

buttonLayout->addSpacing(MacGap);

never executed: buttonLayout->addSpacing(MacGap);

318 } -

319

break;

never executed: break;

320

case QPlatformDialogHelper::RejectRole:

never executed: case QPlatformDialogHelper::RejectRole:

321

case QPlatformDialogHelper::ActionRole:

never executed: case QPlatformDialogHelper::ActionRole:

322

case QPlatformDialogHelper::HelpRole:

never executed: case QPlatformDialogHelper::HelpRole:

323

case QPlatformDialogHelper::YesRole:

never executed: case QPlatformDialogHelper::YesRole:

324

case QPlatformDialogHelper::NoRole:

never executed: case QPlatformDialogHelper::NoRole:

325

case QPlatformDialogHelper::ApplyRole:

never executed: case QPlatformDialogHelper::ApplyRole:

326

case QPlatformDialogHelper::ResetRole:

never executed: case QPlatformDialogHelper::ResetRole:

327 addButtonsToLayout(buttonLists[role], reverse); -

328

}

never executed: end of block

329 ++currentLayout; -

330

}

never executed: end of block

331 -

332 QWidget *lastWidget = 0; -

333 q->setFocusProxy(0); -

334

for (int i = 0; i < buttonLayout->count(); ++i) {

i < buttonLayout->count()	Description
TRUE	never evaluated
FALSE	never evaluated

335 QLayoutItem *item = buttonLayout->itemAt(i); -

336

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

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

337

if (lastWidget)

lastWidget	Description
TRUE	never evaluated
FALSE	never evaluated

338

QWidget::setTabOrder(lastWidget, widget);

never executed: QWidget::setTabOrder(lastWidget, widget);

339 else -

340

q->setFocusProxy(widget);

never executed: q->setFocusProxy(widget);

341 lastWidget = widget; -

342

}

never executed: end of block

343

}

never executed: end of block

344 -

345

if (center)

center	Description
TRUE	never evaluated
FALSE	never evaluated

346

buttonLayout->addStretch();

never executed: buttonLayout->addStretch();

347

}

never executed: end of block

348 -

349 QPushButton *QDialogButtonBoxPrivate::createButton(QDialogButtonBox::StandardButton sbutton, -

350 bool doLayout) -

351 { -

352 Q_Q(QDialogButtonBox); -

353 int icon = 0; -

354 -

355 switch (sbutton) { -

356

case QDialogButtonBox::Ok:

never executed: case QDialogButtonBox::Ok:

357 icon = QStyle::SP_DialogOkButton; -

358

break;

never executed: break;

359

case QDialogButtonBox::Save:

never executed: case QDialogButtonBox::Save:

360 icon = QStyle::SP_DialogSaveButton; -

361

break;

never executed: break;

362

case QDialogButtonBox::Open:

never executed: case QDialogButtonBox::Open:

363 icon = QStyle::SP_DialogOpenButton; -

364

break;

never executed: break;

365

case QDialogButtonBox::Cancel:

never executed: case QDialogButtonBox::Cancel:

366 icon = QStyle::SP_DialogCancelButton; -

367

break;

never executed: break;

368

case QDialogButtonBox::Close:

never executed: case QDialogButtonBox::Close:

369 icon = QStyle::SP_DialogCloseButton; -

370

break;

never executed: break;

371

case QDialogButtonBox::Apply:

never executed: case QDialogButtonBox::Apply:

372 icon = QStyle::SP_DialogApplyButton; -

373

break;

never executed: break;

374

case QDialogButtonBox::Reset:

never executed: case QDialogButtonBox::Reset:

375 icon = QStyle::SP_DialogResetButton; -

376

break;

never executed: break;

377

case QDialogButtonBox::Help:

never executed: case QDialogButtonBox::Help:

378 icon = QStyle::SP_DialogHelpButton; -

379

break;

never executed: break;

380

case QDialogButtonBox::Discard:

never executed: case QDialogButtonBox::Discard:

381 icon = QStyle::SP_DialogDiscardButton; -

382

break;

never executed: break;

383

case QDialogButtonBox::Yes:

never executed: case QDialogButtonBox::Yes:

384 icon = QStyle::SP_DialogYesButton; -

385

break;

never executed: break;

386

case QDialogButtonBox::No:

never executed: case QDialogButtonBox::No:

387 icon = QStyle::SP_DialogNoButton; -

388

break;

never executed: break;

389

case QDialogButtonBox::YesToAll:

never executed: case QDialogButtonBox::YesToAll:

390

case QDialogButtonBox::NoToAll:

never executed: case QDialogButtonBox::NoToAll:

391

case QDialogButtonBox::SaveAll:

never executed: case QDialogButtonBox::SaveAll:

392

case QDialogButtonBox::Abort:

never executed: case QDialogButtonBox::Abort:

393

case QDialogButtonBox::Retry:

never executed: case QDialogButtonBox::Retry:

394

case QDialogButtonBox::Ignore:

never executed: case QDialogButtonBox::Ignore:

395

case QDialogButtonBox::RestoreDefaults:

never executed: case QDialogButtonBox::RestoreDefaults:

396

break;

never executed: break;

397

case QDialogButtonBox::NoButton:

never executed: case QDialogButtonBox::NoButton:

398

return 0;

never executed: return 0;

399 ; -

400 } -

401 QPushButton *button = new QPushButton(QGuiApplicationPrivate::platformTheme()->standardButtonText(sbutton), q); -

402 QStyle *style = q->style(); -

403

if (style->styleHint(QStyle::SH_DialogButtonBox_ButtonsHaveIcons, 0, q) && icon != 0)

style->styleHi...veIcons, 0, q)	Description
TRUE	never evaluated
FALSE	never evaluated

icon != 0	Description
TRUE	never evaluated
FALSE	never evaluated

404

button->setIcon(style->standardIcon(QStyle::StandardPixmap(icon), 0, q));

never executed: button->setIcon(style->standardIcon(QStyle::StandardPixmap(icon), 0, q));

405

if (style != QApplication::style()) // Propagate style

style != QApplication::style()	Description
TRUE	never evaluated
FALSE	never evaluated

406

button->setStyle(style);

never executed: button->setStyle(style);

407 standardButtonHash.insert(button, sbutton); -

408 QPlatformDialogHelper::ButtonRole role = QPlatformDialogHelper::buttonRole(static_cast<QPlatformDialogHelper::StandardButton>(sbutton)); -

409

if (Q_UNLIKELY(role == QPlatformDialogHelper::InvalidRole))

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

410

qWarning("QDialogButtonBox::createButton: Invalid ButtonRole, button not added");

never executed:

QMessageLogger(__FILE__, 410, __PRETTY_FUNCTION__).warning("QDialogButtonBox::createButton: Invalid ButtonRole, button not added");

411 else -

412

addButton(button, static_cast<QDialogButtonBox::ButtonRole>(role), doLayout);

never executed: addButton(button, static_cast<QDialogButtonBox::ButtonRole>(role), doLayout);

413 -

414 #ifdef Q_DEAD_CODE_FROM_QT4_MAC -

415 // Since mnemonics is off by default on Mac, we add a Cmd-D -

416 // shortcut here to e.g. make the "Don't Save" button work nativly: -

417 if (sbutton == QDialogButtonBox::Discard) -

418 button->setShortcut(QKeySequence(QLatin1String("Ctrl+D"))); -

419 #endif -

420 -

421

return button;

never executed: return button;

422 } -

423 -

424 void QDialogButtonBoxPrivate::addButton(QAbstractButton *button, QDialogButtonBox::ButtonRole role, -

425 bool doLayout) -

426 { -

427 Q_Q(QDialogButtonBox); -

428 QObject::connect(button, SIGNAL(clicked()), q, SLOT(_q_handleButtonClicked())); -

429 QObject::connect(button, SIGNAL(destroyed()), q, SLOT(_q_handleButtonDestroyed())); -

430 buttonLists[role].append(button); -

431

if (doLayout)

doLayout	Description
TRUE	never evaluated
FALSE	never evaluated

432

layoutButtons();

never executed: layoutButtons();

433

}

never executed: end of block

434 -

435 void QDialogButtonBoxPrivate::createStandardButtons(QDialogButtonBox::StandardButtons buttons) -

436 { -

437 uint i = QDialogButtonBox::FirstButton; -

438

while (i <= QDialogButtonBox::LastButton) {

i <= QDialogBu...ox::LastButton	Description
TRUE	never evaluated
FALSE	never evaluated

439

if (i & buttons) {

i & buttons	Description
TRUE	never evaluated
FALSE	never evaluated

440 createButton(QDialogButtonBox::StandardButton(i), false); -

441

}

never executed: end of block

442 i = i << 1; -

443

}

never executed: end of block

444 layoutButtons(); -

445

}

never executed: end of block

446 -

447 void QDialogButtonBoxPrivate::retranslateStrings() -

448 { -

449 typedef QHash<QPushButton *, QDialogButtonBox::StandardButton>::iterator Iterator; -

450 -

451 const Iterator end = standardButtonHash.end(); -

452

for (Iterator it = standardButtonHash.begin(); it != end; ++it) {

it != end	Description
TRUE	never evaluated
FALSE	never evaluated

453 const QString text = QGuiApplicationPrivate::platformTheme()->standardButtonText(it.value()); -

454

if (!text.isEmpty())

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

455

it.key()->setText(text);

never executed: it.key()->setText(text);

456

}

never executed: end of block

457

}

never executed: end of block

458 -

459 /*! -

460 Constructs an empty, horizontal button box with the given \a parent. -

461 -

462 \sa orientation, addButton() -

463 */ -

464 QDialogButtonBox::QDialogButtonBox(QWidget *parent) -

465 : QWidget(*new QDialogButtonBoxPrivate(Qt::Horizontal), parent, 0) -

466 { -

467 d_func()->initLayout(); -

468

}

never executed: end of block

469 -

470 /*! -

471 Constructs an empty button box with the given \a orientation and \a parent. -

472 -

473 \sa orientation, addButton() -

474 */ -

475 QDialogButtonBox::QDialogButtonBox(Qt::Orientation orientation, QWidget *parent) -

476 : QWidget(*new QDialogButtonBoxPrivate(orientation), parent, 0) -

477 { -

478 d_func()->initLayout(); -

479

}

never executed: end of block

480 -

481 /*! -

482 \since 5.2 -

483 -

484 Constructs a horizontal button box with the given \a parent, containing -

485 the standard buttons specified by \a buttons. -

486 -

487 \sa orientation, addButton() -

488 */ -

489 QDialogButtonBox::QDialogButtonBox(StandardButtons buttons, QWidget *parent) -

490 : QWidget(*new QDialogButtonBoxPrivate(Qt::Horizontal), parent, 0) -

491 { -

492 d_func()->initLayout(); -

493 d_func()->createStandardButtons(buttons); -

494

}

never executed: end of block

495 -

496 /*! -

497 Constructs a button box with the given \a orientation and \a parent, containing -

498 the standard buttons specified by \a buttons. -

499 -

500 \sa orientation, addButton() -

501 */ -

502 QDialogButtonBox::QDialogButtonBox(StandardButtons buttons, Qt::Orientation orientation, -

503 QWidget *parent) -

504 : QWidget(*new QDialogButtonBoxPrivate(orientation), parent, 0) -

505 { -

506 d_func()->initLayout(); -

507 d_func()->createStandardButtons(buttons); -

508

}

never executed: end of block

509 -

510 /*! -

511 Destroys the button box. -

512 */ -

513 QDialogButtonBox::~QDialogButtonBox() -

514 { -

515 } -

516 -

517 /*! -

518 \enum QDialogButtonBox::ButtonRole -

519 \enum QMessageBox::ButtonRole -

520 -

521 This enum describes the roles that can be used to describe buttons in -

522 the button box. Combinations of these roles are as flags used to -

523 describe different aspects of their behavior. -

524 -

525 \value InvalidRole The button is invalid. -

526 \value AcceptRole Clicking the button causes the dialog to be accepted -

527 (e.g. OK). -

528 \value RejectRole Clicking the button causes the dialog to be rejected -

529 (e.g. Cancel). -

530 \value DestructiveRole Clicking the button causes a destructive change -

531 (e.g. for Discarding Changes) and closes the dialog. -

532 \value ActionRole Clicking the button causes changes to the elements within -

533 the dialog. -

534 \value HelpRole The button can be clicked to request help. -

535 \value YesRole The button is a "Yes"-like button. -

536 \value NoRole The button is a "No"-like button. -

537 \value ApplyRole The button applies current changes. -

538 \value ResetRole The button resets the dialog's fields to default values. -

539 -

540 \omitvalue NRoles -

541 -

542 \sa StandardButton -

543 */ -

544 -

545 /*! -

546 \enum QDialogButtonBox::StandardButton -

547 -

548 These enums describe flags for standard buttons. Each button has a -

549 defined \l ButtonRole. -

550 -

551 \value Ok An "OK" button defined with the \l AcceptRole. -

552 \value Open An "Open" button defined with the \l AcceptRole. -

553 \value Save A "Save" button defined with the \l AcceptRole. -

554 \value Cancel A "Cancel" button defined with the \l RejectRole. -

555 \value Close A "Close" button defined with the \l RejectRole. -

556 \value Discard A "Discard" or "Don't Save" button, depending on the platform, -

557 defined with the \l DestructiveRole. -

558 \value Apply An "Apply" button defined with the \l ApplyRole. -

559 \value Reset A "Reset" button defined with the \l ResetRole. -

560 \value RestoreDefaults A "Restore Defaults" button defined with the \l ResetRole. -

561 \value Help A "Help" button defined with the \l HelpRole. -

562 \value SaveAll A "Save All" button defined with the \l AcceptRole. -

563 \value Yes A "Yes" button defined with the \l YesRole. -

564 \value YesToAll A "Yes to All" button defined with the \l YesRole. -

565 \value No A "No" button defined with the \l NoRole. -

566 \value NoToAll A "No to All" button defined with the \l NoRole. -

567 \value Abort An "Abort" button defined with the \l RejectRole. -

568 \value Retry A "Retry" button defined with the \l AcceptRole. -

569 \value Ignore An "Ignore" button defined with the \l AcceptRole. -

570 -

571 \value NoButton An invalid button. -

572 -

573 \omitvalue FirstButton -

574 \omitvalue LastButton -

575 -

576 \sa ButtonRole, standardButtons -

577 */ -

578 -

579 /*! -

580 \enum QDialogButtonBox::ButtonLayout -

581 -

582 This enum describes the layout policy to be used when arranging the buttons -

583 contained in the button box. -

584 -

585 \value WinLayout Use a policy appropriate for applications on Windows. -

586 \value MacLayout Use a policy appropriate for applications on \macos. -

587 \value KdeLayout Use a policy appropriate for applications on KDE. -

588 \value GnomeLayout Use a policy appropriate for applications on GNOME. -

589 -

590 The button layout is specified by the \l{style()}{current style}. However, -

591 on the X11 platform, it may be influenced by the desktop environment. -

592 */ -

593 -

594 /*! -

595 \fn void QDialogButtonBox::clicked(QAbstractButton *button) -

596 -

597 This signal is emitted when a button inside the button box is clicked. The -

598 specific button that was pressed is specified by \a button. -

599 -

600 \sa accepted(), rejected(), helpRequested() -

601 */ -

602 -

603 /*! -

604 \fn void QDialogButtonBox::accepted() -

605 -

606 This signal is emitted when a button inside the button box is clicked, as long -

607 as it was defined with the \l AcceptRole or \l YesRole. -

608 -

609 \sa rejected(), clicked(), helpRequested() -

610 */ -

611 -

612 /*! -

613 \fn void QDialogButtonBox::rejected() -

614 -

615 This signal is emitted when a button inside the button box is clicked, as long -

616 as it was defined with the \l RejectRole or \l NoRole. -

617 -

618 \sa accepted(), helpRequested(), clicked() -

619 */ -

620 -

621 /*! -

622 \fn void QDialogButtonBox::helpRequested() -

623 -

624 This signal is emitted when a button inside the button box is clicked, as long -

625 as it was defined with the \l HelpRole. -

626 -

627 \sa accepted(), rejected(), clicked() -

628 */ -

629 -

630 /*! -

631 \property QDialogButtonBox::orientation -

632 \brief the orientation of the button box -

633 -

634 By default, the orientation is horizontal (i.e. the buttons are laid out -

635 side by side). The possible orientations are Qt::Horizontal and -

636 Qt::Vertical. -

637 */ -

638 Qt::Orientation QDialogButtonBox::orientation() const -

639 { -

640

return d_func()->orientation;

never executed: return d_func()->orientation;

641 } -

642 -

643 void QDialogButtonBox::setOrientation(Qt::Orientation orientation) -

644 { -

645 Q_D(QDialogButtonBox); -

646

if (orientation == d->orientation)

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

647

return;

never executed: return;

648 -

649 d->orientation = orientation; -

650 d->resetLayout(); -

651

}

never executed: end of block

652 -

653 /*! -

654 Clears the button box, deleting all buttons within it. -

655 -

656 \sa removeButton(), addButton() -

657 */ -

658 void QDialogButtonBox::clear() -

659 { -

660 Q_D(QDialogButtonBox); -

661 // Remove the created standard buttons, they should be in the other lists, which will -

662 // do the deletion -

663 d->standardButtonHash.clear(); -

664

for (int i = 0; i < NRoles; ++i) {

i < NRoles	Description
TRUE	never evaluated
FALSE	never evaluated

665 QList<QAbstractButton *> &list = d->buttonLists[i]; -

666

while (list.count()) {

list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

667 QAbstractButton *button = list.takeAt(0); -

668 QObject::disconnect(button, SIGNAL(destroyed()), this, SLOT(_q_handleButtonDestroyed())); -

669 delete button; -

670

}

never executed: end of block

671

}

never executed: end of block

672

}

never executed: end of block

673 -

674 /*! -

675 Returns a list of all the buttons that have been added to the button box. -

676 -

677 \sa buttonRole(), addButton(), removeButton() -

678 */ -

679 QList<QAbstractButton *> QDialogButtonBox::buttons() const -

680 { -

681 Q_D(const QDialogButtonBox); -

682 QList<QAbstractButton *> finalList; -

683

for (int i = 0; i < NRoles; ++i) {

i < NRoles	Description
TRUE	never evaluated
FALSE	never evaluated

684 const QList<QAbstractButton *> &list = d->buttonLists[i]; -

685

for (int j = 0; j < list.count(); ++j)

j < list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

686

finalList.append(list.at(j));

never executed: finalList.append(list.at(j));

687

}

never executed: end of block

688

return finalList;

never executed: return finalList;

689 } -

690 -

691 /*! -

692 Returns the button role for the specified \a button. This function returns -

693 \l InvalidRole if \a button is 0 or has not been added to the button box. -

694 -

695 \sa buttons(), addButton() -

696 */ -

697 QDialogButtonBox::ButtonRole QDialogButtonBox::buttonRole(QAbstractButton *button) const -

698 { -

699 Q_D(const QDialogButtonBox); -

700

for (int i = 0; i < NRoles; ++i) {

i < NRoles	Description
TRUE	never evaluated
FALSE	never evaluated

701 const QList<QAbstractButton *> &list = d->buttonLists[i]; -

702

for (int j = 0; j < list.count(); ++j) {

j < list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

703

if (list.at(j) == button)

list.at(j) == button	Description
TRUE	never evaluated
FALSE	never evaluated

704

return ButtonRole(i);

never executed: return ButtonRole(i);

705

}

never executed: end of block

706

}

never executed: end of block

707

return InvalidRole;

never executed: return InvalidRole;

708 } -

709 -

710 /*! -

711 Removes \a button from the button box without deleting it and sets its parent to zero. -

712 -

713 \sa clear(), buttons(), addButton() -

714 */ -

715 void QDialogButtonBox::removeButton(QAbstractButton *button) -

716 { -

717 Q_D(QDialogButtonBox); -

718 -

719

if (!button)

!button	Description
TRUE	never evaluated
FALSE	never evaluated

720

return;

never executed: return;

721 -

722 // Remove it from the standard button hash first and then from the roles -

723

if (QPushButton *pushButton = qobject_cast<QPushButton *>(button))

QPushButton p...ton >(button)	Description
TRUE	never evaluated
FALSE	never evaluated

724

d->standardButtonHash.remove(pushButton);

never executed: d->standardButtonHash.remove(pushButton);

725

for (int i = 0; i < NRoles; ++i) {

i < NRoles	Description
TRUE	never evaluated
FALSE	never evaluated

726 QList<QAbstractButton *> &list = d->buttonLists[i]; -

727

for (int j = 0; j < list.count(); ++j) {

j < list.count()	Description
TRUE	never evaluated
FALSE	never evaluated

728

if (list.at(j) == button) {

list.at(j) == button	Description
TRUE	never evaluated
FALSE	never evaluated

729 list.takeAt(j); -

730

if (!d->internalRemove) {

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

731 disconnect(button, SIGNAL(clicked()), this, SLOT(_q_handleButtonClicked())); -

732 disconnect(button, SIGNAL(destroyed()), this, SLOT(_q_handleButtonDestroyed())); -

733

}

never executed: end of block

734

break;

never executed: break;

735 } -

736

}

never executed: end of block

737

}

never executed: end of block

738

if (!d->internalRemove)

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

739

button->setParent(0);

never executed: button->setParent(0);

740

}

never executed: end of block

741 -

742 /*! -

743 Adds the given \a button to the button box with the specified \a role. -

744 If the role is invalid, the button is not added. -

745 -

746 If the button has already been added, it is removed and added again with the -

747 new role. -

748 -

749 \note The button box takes ownership of the button. -

750 -

751 \sa removeButton(), clear() -

752 */ -

753 void QDialogButtonBox::addButton(QAbstractButton *button, ButtonRole role) -

754 { -

755 Q_D(QDialogButtonBox); -

756

if (Q_UNLIKELY(role <= InvalidRole || role >= NRoles)) {

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

757 qWarning("QDialogButtonBox::addButton: Invalid ButtonRole, button not added"); -

758

return;

never executed: return;

759 } -

760 removeButton(button); -

761 button->setParent(this); -

762 d->addButton(button, role); -

763

}

never executed: end of block

764 -

765 /*! -

766 Creates a push button with the given \a text, adds it to the button box for the -

767 specified \a role, and returns the corresponding push button. If \a role is -

768 invalid, no button is created, and zero is returned. -

769 -

770 \sa removeButton(), clear() -

771 */ -

772 QPushButton *QDialogButtonBox::addButton(const QString &text, ButtonRole role) -

773 { -

774 Q_D(QDialogButtonBox); -

775

if (Q_UNLIKELY(role <= InvalidRole || role >= NRoles)) {

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

776 qWarning("QDialogButtonBox::addButton: Invalid ButtonRole, button not added"); -

777

return 0;

never executed: return 0;

778 } -

779 QPushButton *button = new QPushButton(text, this); -

780 d->addButton(button, role); -

781

return button;

never executed: return button;

782 } -

783 -

784 /*! -

785 Adds a standard \a button to the button box if it is valid to do so, and returns -

786 a push button. If \a button is invalid, it is not added to the button box, and -

787 zero is returned. -

788 -

789 \sa removeButton(), clear() -

790 */ -

791 QPushButton *QDialogButtonBox::addButton(StandardButton button) -

792 { -

793 Q_D(QDialogButtonBox); -

794

return d->createButton(button);

never executed: return d->createButton(button);

795 } -

796 -

797 /*! -

798 \property QDialogButtonBox::standardButtons -

799 \brief collection of standard buttons in the button box -

800 -

801 This property controls which standard buttons are used by the button box. -

802 -

803 \sa addButton() -

804 */ -

805 void QDialogButtonBox::setStandardButtons(StandardButtons buttons) -

806 { -

807 Q_D(QDialogButtonBox); -

808 // Clear out all the old standard buttons, then recreate them. -

809 qDeleteAll(d->standardButtonHash.keys()); -

810 d->standardButtonHash.clear(); -

811 -

812 d->createStandardButtons(buttons); -

813

}

never executed: end of block

814 -

815 QDialogButtonBox::StandardButtons QDialogButtonBox::standardButtons() const -

816 { -

817 Q_D(const QDialogButtonBox); -

818 StandardButtons standardButtons = NoButton; -

819 QHash<QPushButton *, StandardButton>::const_iterator it = d->standardButtonHash.constBegin(); -

820

while (it != d->standardButtonHash.constEnd()) {

it != d->stand...ash.constEnd()	Description
TRUE	never evaluated
FALSE	never evaluated

821 standardButtons |= it.value(); -

822 ++it; -

823

}

never executed: end of block

824

return standardButtons;

never executed: return standardButtons;

825 } -

826 -

827 /*! -

828 Returns the QPushButton corresponding to the standard button \a which, -

829 or 0 if the standard button doesn't exist in this button box. -

830 -

831 \sa standardButton(), standardButtons(), buttons() -

832 */ -

833 QPushButton *QDialogButtonBox::button(StandardButton which) const -

834 { -

835 Q_D(const QDialogButtonBox); -

836

return d->standardButtonHash.key(which);

never executed: return d->standardButtonHash.key(which);

837 } -

838 -

839 /*! -

840 Returns the standard button enum value corresponding to the given \a button, -

841 or NoButton if the given \a button isn't a standard button. -

842 -

843 \sa button(), buttons(), standardButtons() -

844 */ -

845 QDialogButtonBox::StandardButton QDialogButtonBox::standardButton(QAbstractButton *button) const -

846 { -

847 Q_D(const QDialogButtonBox); -

848

return d->standardButtonHash.value(static_cast<QPushButton *>(button));

never executed: return d->standardButtonHash.value(static_cast<QPushButton *>(button));

849 } -

850 -

851 void QDialogButtonBoxPrivate::_q_handleButtonClicked() -

852 { -

853 Q_Q(QDialogButtonBox); -

854

if (QAbstractButton *button = qobject_cast<QAbstractButton *>(q->sender())) {

QAbstractButto...>(q->sender())	Description
TRUE	never evaluated
FALSE	never evaluated

855 // Can't fetch this *after* emitting clicked, as clicked may destroy the button -

856 // or change its role. Now changing the role is not possible yet, but arguably -

857 // both clicked and accepted/rejected/etc. should be emitted "atomically" -

858 // depending on whatever role the button had at the time of the click. -

859 const QDialogButtonBox::ButtonRole buttonRole = q->buttonRole(button); -

860 QPointer<QDialogButtonBox> guard(q); -

861 -

862 emit q->clicked(button); -

863 -

864

if (!guard)

!guard	Description
TRUE	never evaluated
FALSE	never evaluated

865

return;

never executed: return;

866 -

867 switch (buttonRole) { -

868

case QPlatformDialogHelper::AcceptRole:

never executed: case QPlatformDialogHelper::AcceptRole:

869

case QPlatformDialogHelper::YesRole:

never executed: case QPlatformDialogHelper::YesRole:

870 emit q->accepted(); -

871

break;

never executed: break;

872

case QPlatformDialogHelper::RejectRole:

never executed: case QPlatformDialogHelper::RejectRole:

873

case QPlatformDialogHelper::NoRole:

never executed: case QPlatformDialogHelper::NoRole:

874 emit q->rejected(); -

875

break;

never executed: break;

876

case QPlatformDialogHelper::HelpRole:

never executed: case QPlatformDialogHelper::HelpRole:

877 emit q->helpRequested(); -

878

break;

never executed: break;

879

default:

never executed: default:

880

break;

never executed: break;

881 } -

882 } -

883

}

never executed: end of block

884 -

885 void QDialogButtonBoxPrivate::_q_handleButtonDestroyed() -

886 { -

887 Q_Q(QDialogButtonBox); -

888

if (QObject *object = q->sender()) {

QObject *object = q->sender()	Description
TRUE	never evaluated
FALSE	never evaluated

889 QBoolBlocker skippy(internalRemove); -

890 q->removeButton(static_cast<QAbstractButton *>(object)); -

891

}

never executed: end of block

892

}

never executed: end of block

893 -

894 /*! -

895 \property QDialogButtonBox::centerButtons -

896 \brief whether the buttons in the button box are centered -

897 -

898 By default, this property is \c false. This behavior is appopriate -

899 for most types of dialogs. A notable exception is message boxes -

900 on most platforms (e.g. Windows), where the button box is -

901 centered horizontally. -

902 -

903 \sa QMessageBox -

904 */ -

905 void QDialogButtonBox::setCenterButtons(bool center) -

906 { -

907 Q_D(QDialogButtonBox); -

908

if (d->center != center) {

d->center != center	Description
TRUE	never evaluated
FALSE	never evaluated

909 d->center = center; -

910 d->resetLayout(); -

911

}

never executed: end of block

912

}

never executed: end of block

913 -

914 bool QDialogButtonBox::centerButtons() const -

915 { -

916 Q_D(const QDialogButtonBox); -

917

return d->center;

never executed: return d->center;

918 } -

919 -

920 /*! -

921 \reimp -

922 */ -

923 void QDialogButtonBox::changeEvent(QEvent *event) -

924 { -

925 typedef QHash<QPushButton *, QDialogButtonBox::StandardButton> StandardButtonHash; -

926 -

927 Q_D(QDialogButtonBox); -

928 switch (event->type()) { -

929

case QEvent::StyleChange: // Propagate style

never executed: case QEvent::StyleChange:

930

if (!d->standardButtonHash.empty()) {

!d->standardButtonHash.empty()	Description
TRUE	never evaluated
FALSE	never evaluated

931 QStyle *newStyle = style(); -

932 const StandardButtonHash::iterator end = d->standardButtonHash.end(); -

933

for (StandardButtonHash::iterator it = d->standardButtonHash.begin(); it != end; ++it)

it != end	Description
TRUE	never evaluated
FALSE	never evaluated

934

it.key()->setStyle(newStyle);

never executed: it.key()->setStyle(newStyle);

935

}

never executed: end of block

936 // fallthrough intended -

937 #ifdef Q_OS_MAC -

938 case QEvent::MacSizeChange: -

939 #endif -

940 d->resetLayout(); -

941 QWidget::changeEvent(event); -

942

break;

never executed: break;

943

default:

never executed: default:

944 QWidget::changeEvent(event); -

945

break;

never executed: break;

946 } -

947 } -

948 -

949 /*! -

950 \reimp -

951 */ -

952 bool QDialogButtonBox::event(QEvent *event) -

953 { -

954 Q_D(QDialogButtonBox); -

955

if (event->type() == QEvent::Show) {

event->type() == QEvent::Show	Description
TRUE	never evaluated
FALSE	never evaluated

956 QList<QAbstractButton *> acceptRoleList = d->buttonLists[AcceptRole]; -

957

QPushButton *firstAcceptButton = acceptRoleList.isEmpty() ? 0 : qobject_cast<QPushButton *>(acceptRoleList.at(0));

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

958 bool hasDefault = false; -

959 QWidget *dialog = 0; -

960 QWidget *p = this; -

961

while (p && !p->isWindow()) {

p	Description
TRUE	never evaluated
FALSE	never evaluated

!p->isWindow()	Description
TRUE	never evaluated
FALSE	never evaluated

962 p = p->parentWidget(); -

963

if ((dialog = qobject_cast<QDialog *>(p)))

(dialog = qobj...QDialog *>(p))	Description
TRUE	never evaluated
FALSE	never evaluated

964

break;

never executed: break;

965

}

never executed: end of block

966 -

967

const auto pbs = (dialog ? dialog : this)->findChildren<QPushButton *>();

dialog	Description
TRUE	never evaluated
FALSE	never evaluated

968 for (QPushButton *pb : pbs) { -

969

if (pb->isDefault() && pb != firstAcceptButton) {

pb->isDefault()	Description
TRUE	never evaluated
FALSE	never evaluated

pb != firstAcceptButton	Description
TRUE	never evaluated
FALSE	never evaluated

970 hasDefault = true; -

971

break;

never executed: break;

972 } -

973

}

never executed: end of block

974

if (!hasDefault && firstAcceptButton)

!hasDefault	Description
TRUE	never evaluated
FALSE	never evaluated

firstAcceptButton	Description
TRUE	never evaluated
FALSE	never evaluated

975

firstAcceptButton->setDefault(true);

never executed: firstAcceptButton->setDefault(true);

976

}else if (event->type() == QEvent::LanguageChange) {

never executed: end of block

event->type() ...LanguageChange	Description
TRUE	never evaluated
FALSE	never evaluated

977 d->retranslateStrings(); -

978

}

never executed: end of block

979

return QWidget::event(event);

never executed: return QWidget::event(event);

980 } -

981 -

982 QT_END_NAMESPACE -

983 -

984 #include "moc_qdialogbuttonbox.cpp" -

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