qprinterinfo.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/printsupport/kernel/qprinterinfo.cpp

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1 /**************************************************************************** -

2 ** -

4 ** Contact: http://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the documentation of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:FDL$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

14 ** and conditions see http://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at http://www.qt.io/contact-us. -

16 ** -

17 ** GNU Free Documentation License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Free -

19 ** Documentation License version 1.3 as published by the Free Software -

20 ** Foundation and appearing in the file included in the packaging of -

21 ** this file. Please review the following information to ensure -

22 ** the GNU Free Documentation License version 1.3 requirements -

23 ** will be met: http://www.gnu.org/copyleft/fdl.html. -

24 ** $QT_END_LICENSE$ -

25 ** -

26 ****************************************************************************/ -

27 -

28 #include "qprinterinfo.h" -

29 #include "qprinterinfo_p.h" -

30 #include "qprintdevice_p.h" -

31 -

32 #ifndef QT_NO_PRINTER -

33 -

34 #include <QtCore/qdebug.h> -

35 -

36 #include <qpa/qplatformprintplugin.h> -

37 #include <qpa/qplatformprintersupport.h> -

38 -

39 QT_BEGIN_NAMESPACE -

40 -

Q_GLOBAL_STATIC(QPrinterInfoPrivate, shared_null);

executed 3 times by 3 tests: end of block

Executed by:

tst_qabstractprintdialog - unknown status
tst_qprinter - unknown status
tst_qprinterinfo - unknown status

executed 3 times by 3 tests: guard.store(QtGlobalStatic::Destroyed);

Executed by:

tst_qabstractprintdialog - unknown status
tst_qprinter - unknown status
tst_qprinterinfo - unknown status

executed 1502 times by 3 tests: return &holder.value;

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

guard.load() =...c::Initialized	Description
TRUE	evaluated 3 times by 3 tests Evaluated by: tst_qabstractprintdialog - unknown status tst_qprinter - unknown status tst_qprinterinfo - unknown status
FALSE	never evaluated

0-1502

42 -

43 class QPrinterInfoPrivateDeleter -

44 { -

45 public: -

46 static inline void cleanup(QPrinterInfoPrivate *d) -

47 { -

if (d != shared_null)

d != shared_null	Description
TRUE	evaluated 274 times by 3 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter tst_QPrinterInfo
FALSE	evaluated 274 times by 3 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter tst_QPrinterInfo

274

delete d;

executed 274 times by 3 tests: delete d;

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

274

}

executed 548 times by 3 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

548

51 }; -

52 -

53 QPrinterInfoPrivate::QPrinterInfoPrivate(const QString &id) -

54 { -

if (!id.isEmpty()) {

!id.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QPrinter
FALSE	evaluated 140 times by 3 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter tst_QPrinterInfo

1-140

56 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

if (ps)

ps	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QPrinter
FALSE	never evaluated

0-1

m_printDevice = ps->createPrintDevice(id);

executed 1 time by 1 test: m_printDevice = ps->createPrintDevice(id);

Executed by:

tst_QPrinter

}

executed 1 time by 1 test: end of block

Executed by:

tst_QPrinter

}

executed 141 times by 3 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

141

61 -

62 QPrinterInfoPrivate::~QPrinterInfoPrivate() -

63 { -

64 } -

65 -

66 /*! -

67 \class QPrinterInfo -

68 -

69 \brief The QPrinterInfo class gives access to information about -

70 existing printers. -

71 -

72 \ingroup printing -

73 \inmodule QtPrintSupport -

74 -

75 Use the static functions to generate a list of QPrinterInfo -

76 objects. Each QPrinterInfo object in the list represents a single -

77 printer and can be queried for name, supported paper sizes, and -

78 whether or not it is the default printer. -

79 -

80 \since 4.4 -

81 */ -

82 -

83 /*! -

84 Constructs an empty QPrinterInfo object. -

85 -

86 \sa isNull() -

87 */ -

88 QPrinterInfo::QPrinterInfo() -

89 : d_ptr(shared_null) -

90 { -

}

executed 137 times by 3 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

137

92 -

93 /*! -

94 Constructs a copy of \a other. -

95 */ -

96 QPrinterInfo::QPrinterInfo(const QPrinterInfo &other) -

97 : d_ptr((other.d_ptr.data() == shared_null) ? shared_null : new QPrinterInfoPrivate(*other.d_ptr)) -

98 { -

}

executed 135 times by 3 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

135

100 -

101 /*! -

102 Constructs a QPrinterInfo object from \a printer. -

103 */ -

104 QPrinterInfo::QPrinterInfo(const QPrinter &printer) -

105 : d_ptr(shared_null) -

106 { -

107 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

108

if (ps) {

ps	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QPrinter
FALSE	never evaluated

0-2

109 QPrinterInfo pi(printer.printerName()); -

110

if (pi.d_ptr.data() == shared_null)

pi.d_ptr.data() == shared_null	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: tst_QPrinter

0-2

111

d_ptr.reset(shared_null);

never executed: d_ptr.reset(shared_null);

112 else -

113

d_ptr.reset(new QPrinterInfoPrivate(*pi.d_ptr));

executed 2 times by 1 test: d_ptr.reset(new QPrinterInfoPrivate(*pi.d_ptr));

Executed by:

tst_QPrinter

114 } -

115

}

executed 2 times by 1 test: end of block

Executed by:

tst_QPrinter

116 -

117 /*! -

118 \internal -

119 */ -

120 QPrinterInfo::QPrinterInfo(const QString &name) -

121 : d_ptr(new QPrinterInfoPrivate(name)) -

122 { -

123

}

executed 138 times by 3 tests: end of block

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

138

124 -

125 /*! -

126 Destroys the QPrinterInfo object. References to the values in the -

127 object become invalid. -

128 */ -

129 QPrinterInfo::~QPrinterInfo() -

130 { -

131 } -

132 -

133 /*! -

134 Sets the QPrinterInfo object to be equal to \a other. -

135 */ -

136 QPrinterInfo &QPrinterInfo::operator=(const QPrinterInfo &other) -

137 { -

138 Q_ASSERT(d_ptr); -

139

if (other.d_ptr.data() == shared_null)

other.d_ptr.da...== shared_null	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QPrinterInfo
FALSE	evaluated 134 times by 2 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter

1-134

140

d_ptr.reset(shared_null);

executed 1 time by 1 test: d_ptr.reset(shared_null);

Executed by:

tst_QPrinterInfo

141 else -

142

d_ptr.reset(new QPrinterInfoPrivate(*other.d_ptr));

executed 134 times by 2 tests: d_ptr.reset(new QPrinterInfoPrivate(*other.d_ptr));

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter

134

143

return *this;

executed 135 times by 3 tests: return *this;

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

135

144 } -

145 -

146 /*! -

147 Returns the name of the printer. -

148 -

149 This is a unique id to identify the printer and may not be human-readable. -

150 -

151 \sa QPrinterInfo::description() -

152 \sa QPrinter::setPrinterName() -

153 */ -

154 QString QPrinterInfo::printerName() const -

155 { -

156 const Q_D(QPrinterInfo); -

157

return d->m_printDevice.id();

executed 2 times by 1 test: return d->m_printDevice.id();

Executed by:

tst_QPrinterInfo

158 } -

159 -

160 /*! -

161 Returns the human-readable description of the printer. -

162 -

163 \since 5.0 -

164 \sa QPrinterInfo::printerName() -

165 */ -

166 QString QPrinterInfo::description() const -

167 { -

168 const Q_D(QPrinterInfo); -

169

return d->m_printDevice.name();

never executed: return d->m_printDevice.name();

170 } -

171 -

172 /*! -

173 Returns the human-readable location of the printer. -

174 -

175 \since 5.0 -

176 */ -

177 QString QPrinterInfo::location() const -

178 { -

179 const Q_D(QPrinterInfo); -

180

return d->m_printDevice.location();

never executed: return d->m_printDevice.location();

181 } -

182 -

183 /*! -

184 Returns the human-readable make and model of the printer. -

185 -

186 \since 5.0 -

187 */ -

188 QString QPrinterInfo::makeAndModel() const -

189 { -

190 const Q_D(QPrinterInfo); -

191

return d->m_printDevice.makeAndModel();

never executed: return d->m_printDevice.makeAndModel();

192 } -

193 -

194 /*! -

195 Returns whether this QPrinterInfo object holds a printer definition. -

196 -

197 An empty QPrinterInfo object could result for example from calling -

198 defaultPrinter() when there are no printers on the system. -

199 */ -

200 bool QPrinterInfo::isNull() const -

201 { -

202 Q_D(const QPrinterInfo); -

203

return d == shared_null || !d->m_printDevice.isValid();

executed 407 times by 3 tests: return d == shared_null || !d->m_printDevice.isValid();

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

d == shared_null	Description
TRUE	evaluated 138 times by 3 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter tst_QPrinterInfo
FALSE	evaluated 269 times by 2 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter

!d->m_printDevice.isValid()	Description
TRUE	evaluated 269 times by 2 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter
FALSE	never evaluated

0-407

204 } -

205 -

206 /*! -

207 Returns whether this printer is currently the default printer. -

208 */ -

209 bool QPrinterInfo::isDefault() const -

210 { -

211 Q_D(const QPrinterInfo); -

212

return d->m_printDevice.isDefault();

never executed: return d->m_printDevice.isDefault();

213 } -

214 -

215 /*! -

216 Returns whether this printer is a remote network printer. -

217 -

218 \since 5.3 -

219 */ -

220 bool QPrinterInfo::isRemote() const -

221 { -

222 Q_D(const QPrinterInfo); -

223

return d->m_printDevice.isRemote();

never executed: return d->m_printDevice.isRemote();

224 } -

225 -

226 /*! -

227 Returns the current state of this printer. -

228 -

229 This state may not always be accurate, depending on the platform, printer -

230 driver, or printer itself. -

231 -

232 \since 5.3 -

233 */ -

234 QPrinter::PrinterState QPrinterInfo::state() const -

235 { -

236 Q_D(const QPrinterInfo); -

237

return QPrinter::PrinterState(d->m_printDevice.state());

never executed: return QPrinter::PrinterState(d->m_printDevice.state());

238 } -

239 -

240 /*! -

241 Returns a list of Page Sizes supported by this printer. -

242 -

243 \since 5.3 -

244 */ -

245 -

246 QList<QPageSize> QPrinterInfo::supportedPageSizes() const -

247 { -

248 Q_D(const QPrinterInfo); -

249

return d->m_printDevice.supportedPageSizes();

executed 2 times by 1 test: return d->m_printDevice.supportedPageSizes();

Executed by:

tst_QPrinter

250 } -

251 -

252 /*! -

253 Returns the current default Page Size for this printer. -

254 -

255 \since 5.3 -

256 */ -

257 -

258 QPageSize QPrinterInfo::defaultPageSize() const -

259 { -

260 Q_D(const QPrinterInfo); -

261

return d->m_printDevice.defaultPageSize();

never executed: return d->m_printDevice.defaultPageSize();

262 } -

263 -

264 /*! -

265 Returns whether this printer supports custom page sizes. -

266 -

267 \since 5.3 -

268 */ -

269 -

270 bool QPrinterInfo::supportsCustomPageSizes() const -

271 { -

272 Q_D(const QPrinterInfo); -

273

return d->m_printDevice.supportsCustomPageSizes();

never executed: return d->m_printDevice.supportsCustomPageSizes();

274 } -

275 -

276 /*! -

277 Returns the minimum physical page size supported by this printer. -

278 -

279 \sa maximumPhysicalPageSize() -

280 -

281 \since 5.3 -

282 */ -

283 -

284 QPageSize QPrinterInfo::minimumPhysicalPageSize() const -

285 { -

286 Q_D(const QPrinterInfo); -

287

return QPageSize(d->m_printDevice.minimumPhysicalPageSize(), QString(), QPageSize::ExactMatch);

never executed: return QPageSize(d->m_printDevice.minimumPhysicalPageSize(), QString(), QPageSize::ExactMatch);

288 } -

289 -

290 /*! -

291 Returns the maximum physical page size supported by this printer. -

292 -

293 \sa minimumPhysicalPageSize() -

294 -

295 \since 5.3 -

296 */ -

297 -

298 QPageSize QPrinterInfo::maximumPhysicalPageSize() const -

299 { -

300 Q_D(const QPrinterInfo); -

301

return QPageSize(d->m_printDevice.maximumPhysicalPageSize(), QString(), QPageSize::ExactMatch);

never executed: return QPageSize(d->m_printDevice.maximumPhysicalPageSize(), QString(), QPageSize::ExactMatch);

302 } -

303 -

304 #if QT_DEPRECATED_SINCE(5,3) -

305 /*! -

306 \obsolete Use supportedPageSizes() instead. -

307 -

308 Returns a list of supported paper sizes by the printer. -

309 -

310 Not all printer drivers support this query, so the list may be empty. -

311 -

312 \since 4.4 -

313 */ -

314 -

315 QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const -

316 { -

317 Q_D(const QPrinterInfo); -

318 QList<QPrinter::PaperSize> list; -

319 const QList<QPageSize> supportedPageSizes = d->m_printDevice.supportedPageSizes(); -

320 list.reserve(supportedPageSizes.size()); -

321 foreach (const QPageSize &pageSize, supportedPageSizes) -

322

list.append(QPrinter::PaperSize(pageSize.id()));

never executed: list.append(QPrinter::PaperSize(pageSize.id()));

323

return list;

never executed: return list;

324 } -

325 -

326 /*! -

327 \obsolete Use supportedPageSizes() instead. -

328 -

329 Returns a list of all the paper names supported by the driver with the -

330 corresponding size in millimeters. -

331 -

332 Not all printer drivers support this query, so the list may be empty. -

333 -

334 \since 5.1 -

335 */ -

336 -

337 QList<QPair<QString, QSizeF> > QPrinterInfo::supportedSizesWithNames() const -

338 { -

339 Q_D(const QPrinterInfo); -

340 QList<QPair<QString, QSizeF> > list; -

341 const QList<QPageSize> supportedPageSizes = d->m_printDevice.supportedPageSizes(); -

342 list.reserve(supportedPageSizes.size()); -

343 foreach (const QPageSize &pageSize, supportedPageSizes) -

344

list.append(qMakePair(pageSize.name(), pageSize.size(QPageSize::Millimeter)));

never executed: list.append(qMakePair(pageSize.name(), pageSize.size(QPageSize::Millimeter)));

345

return list;

never executed: return list;

346 } -

347 #endif // QT_DEPRECATED_SINCE(5,3) -

348 -

349 /*! -

350 Returns a list of resolutions supported by this printer. -

351 -

352 \since 5.3 -

353 */ -

354 -

355 QList<int> QPrinterInfo::supportedResolutions() const -

356 { -

357 Q_D(const QPrinterInfo); -

358

return d->m_printDevice.supportedResolutions();

never executed: return d->m_printDevice.supportedResolutions();

359 } -

360 -

361 /*! -

362 Returns the default duplex mode of this printer. -

363 -

364 \since 5.4 -

365 */ -

366 -

367 QPrinter::DuplexMode QPrinterInfo::defaultDuplexMode() const -

368 { -

369 Q_D(const QPrinterInfo); -

370

return QPrinter::DuplexMode(d->m_printDevice.defaultDuplexMode());

never executed: return QPrinter::DuplexMode(d->m_printDevice.defaultDuplexMode());

371 } -

372 -

373 /*! -

374 Returns a list of duplex modes supported by this printer. -

375 -

376 \since 5.4 -

377 */ -

378 -

379 QList<QPrinter::DuplexMode> QPrinterInfo::supportedDuplexModes() const -

380 { -

381 Q_D(const QPrinterInfo); -

382 QList<QPrinter::DuplexMode> list; -

383 const QList<QPrint::DuplexMode> supportedDuplexModes = d->m_printDevice.supportedDuplexModes(); -

384 list.reserve(supportedDuplexModes.size()); -

385 foreach (QPrint::DuplexMode mode, supportedDuplexModes) -

386

list << QPrinter::DuplexMode(mode);

never executed: list << QPrinter::DuplexMode(mode);

387

return list;

never executed: return list;

388 } -

389 -

390 /*! -

391 Returns a list of all the available Printer Names on this system. -

392 -

393 It is recommended to use this instead of availablePrinters() as -

394 it will be faster on most systems. -

395 -

396 Note that the list may become outdated if changes are made on the local -

397 system or remote print server. Only instantiate required QPrinterInfo -

398 instances when needed, and always check for validity before calling. -

399 -

400 \since 5.3 -

401 */ -

402 QStringList QPrinterInfo::availablePrinterNames() -

403 { -

404 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

405

if (ps)

ps	Description
TRUE	evaluated 134 times by 2 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter
FALSE	never evaluated

0-134

406

return ps->availablePrintDeviceIds();

executed 134 times by 2 tests: return ps->availablePrintDeviceIds();

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter

134

407

return QStringList();

never executed: return QStringList();

408 } -

409 -

410 /*! -

411 Returns a list of QPrinterInfo objects for all the available printers -

412 on this system. -

413 -

414 It is NOT recommended to use this as creating each printer instance may -

415 take a long time, especially if there are remote networked printers, and -

416 retained instances may become outdated if changes are made on the local -

417 system or remote print server. Use availablePrinterNames() instead and -

418 only instantiate printer instances as you need them. -

419 */ -

420 QList<QPrinterInfo> QPrinterInfo::availablePrinters() -

421 { -

422 QList<QPrinterInfo> list; -

423 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

424

if (ps) {

ps	Description
TRUE	evaluated 9 times by 2 tests Evaluated by: tst_QPrinter tst_QPrinterInfo
FALSE	never evaluated

0-9

425 const QStringList availablePrintDeviceIds = ps->availablePrintDeviceIds(); -

426 list.reserve(availablePrintDeviceIds.size()); -

427 foreach (const QString &id, availablePrintDeviceIds) -

428

list.append(QPrinterInfo(id));

never executed: list.append(QPrinterInfo(id));

429

}

executed 9 times by 2 tests: end of block

Executed by:

tst_QPrinter
tst_QPrinterInfo

430

return list;

executed 9 times by 2 tests: return list;

Executed by:

tst_QPrinter
tst_QPrinterInfo

431 } -

432 -

433 /*! -

434 Returns the current default printer name. -

435 -

436 \since 5.3 -

437 */ -

438 QString QPrinterInfo::defaultPrinterName() -

439 { -

440 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

441

if (ps)

ps	Description
TRUE	never evaluated
FALSE	never evaluated

442

return ps->defaultPrintDeviceId();

never executed: return ps->defaultPrintDeviceId();

443

return QString();

never executed: return QString();

444 } -

445 -

446 /*! -

447 Returns the default printer on the system. -

448 -

449 The return value should be checked using isNull() before being -

450 used, in case there is no default printer. -

451 -

452 On some systems it is possible for there to be available printers -

453 but none of them set to be the default printer. -

454 -

455 \sa isNull() -

456 \sa isDefault() -

457 \sa availablePrinters() -

458 */ -

459 -

460 QPrinterInfo QPrinterInfo::defaultPrinter() -

461 { -

462 QPlatformPrinterSupport *ps = QPlatformPrinterSupportPlugin::get(); -

463

if (ps)

ps	Description
TRUE	evaluated 135 times by 3 tests Evaluated by: tst_QAbstractPrintDialog tst_QPrinter tst_QPrinterInfo
FALSE	never evaluated

0-135

464

return QPrinterInfo(ps->defaultPrintDeviceId());

executed 135 times by 3 tests: return QPrinterInfo(ps->defaultPrintDeviceId());

Executed by:

tst_QAbstractPrintDialog
tst_QPrinter
tst_QPrinterInfo

135

465

return QPrinterInfo();

never executed: return QPrinterInfo();

466 } -

467 -

468 /*! -

469 Returns the printer \a printerName. -

470 -

471 The return value should be checked using isNull() before being -

472 used, in case the named printer does not exist. -

473 -

474 \since 5.0 -

475 \sa isNull() -

476 */ -

477 QPrinterInfo QPrinterInfo::printerInfo(const QString &printerName) -

478 { -

479

return QPrinterInfo(printerName);

executed 1 time by 1 test: return QPrinterInfo(printerName);

Executed by:

tst_QPrinter

480 } -

481 -

482 # ifndef QT_NO_DEBUG_STREAM -

483 QDebug operator<<(QDebug debug, const QPrinterInfo &p) -

484 { -

485 QDebugStateSaver saver(debug); -

486 debug.nospace(); -

487 debug << "QPrinterInfo("; -

488

if (p.isNull())

p.isNull()	Description
TRUE	never evaluated
FALSE	never evaluated

489

debug << "null";

never executed: debug << "null";

490 else -

491

p.d_ptr->m_printDevice.format(debug);

never executed: p.d_ptr->m_printDevice.format(debug);

492 debug << ')'; -

493

return debug;

never executed: return debug;

494 } -

495 # endif // !QT_NO_DEBUG_STREAM -

496 -

497 QT_END_NAMESPACE -

498 -

499 #endif // QT_NO_PRINTER -

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