qstyle.cpp

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33 -

34 #include "qstyle.h" -

35 #include "qapplication.h" -

36 #include "qpainter.h" -

37 #include "qwidget.h" -

38 #include "qbitmap.h" -

39 #include "qpixmapcache.h" -

40 #include "qstyleoption.h" -

41 #include "private/qstyle_p.h" -

42 #include "private/qguiapplication_p.h" -

43 #ifndef QT_NO_DEBUG -

44 #include "qdebug.h" -

45 #endif -

46 -

47 #include <limits.h> -

48 #include <algorithm> -

49 -

50 QT_BEGIN_NAMESPACE -

51 -

52 static const int MaxBits = 8 * sizeof(QSizePolicy::ControlType); -

53 -

54 static int unpackControlTypes(QSizePolicy::ControlTypes controls, QSizePolicy::ControlType *array) -

55 { -

if (!controls)

!controls	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

58 -

59 // optimization: exactly one bit is set -

if ((controls & (controls - 1)) == 0) {

(controls & (c...ols - 1)) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

61 array[0] = QSizePolicy::ControlType(uint(controls)); -

return 1;

never executed: return 1;

63 } -

64 -

65 int count = 0; -

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

i < MaxBits	Description
TRUE	never evaluated
FALSE	never evaluated

if (uint bit = (controls & (0x1 << i)))

uint bit = (co... & (0x1 << i))	Description
TRUE	never evaluated
FALSE	never evaluated

array[count++] = QSizePolicy::ControlType(bit);

never executed: array[count++] = QSizePolicy::ControlType(bit);

}

never executed: end of block

return count;

never executed: return count;

71 } -

72 -

73 /*! -

74 \page qwidget-styling.html -

75 \title Styling -

76 -

77 Qt's built-in widgets use the QStyle class to perform nearly all -

78 of their drawing. QStyle is an abstract base class that -

79 encapsulates the look and feel of a GUI, and can be used to make -

80 the widgets look exactly like the equivalent native widgets or to -

81 give the widgets a custom look. -

82 -

83 Qt provides a set of QStyle subclasses that emulate the native -

84 look of the different platforms supported by Qt (QWindowsStyle, -

85 QMacStyle, etc.). These styles are built into the -

86 Qt GUI module, other styles can be made available using Qt's -

87 plugin mechansim. -

88 -

89 Most functions for drawing style elements take four arguments: -

90 -

91 \list -

92 \li an enum value specifying which graphical element to draw -

93 \li a QStyleOption object specifying how and where to render that element -

94 \li a QPainter object that should be used to draw the element -

95 \li a QWidget object on which the drawing is performed (optional) -

96 \endlist -

97 -

98 The style gets all the information it needs to render the -

99 graphical element from the QStyleOption class. The widget is -

100 passed as the last argument in case the style needs it to perform -

101 special effects (such as animated default buttons on \macos), -

102 but it isn't mandatory. In fact, QStyle can be used to draw on any -

103 paint device (not just widgets), in which case the widget argument -

104 is a zero pointer. -

105 -

106 \image paintsystem-stylepainter.png -

107 -

108 The paint system also provides the QStylePainter class inheriting -

109 from QPainter. QStylePainter is a convenience class for drawing -

110 QStyle elements inside a widget, and extends QPainter with a set -

111 of high-level drawing functions implemented on top of QStyle's -

112 API. The advantage of using QStylePainter is that the parameter -

113 lists get considerably shorter. -

114 -

115 \table 100% -

116 \row -

117 \li \inlineimage paintsystem-icon.png -

118 \li \b QIcon -

119 -

120 The QIcon class provides scalable icons in different modes and states. -

121 -

122 QIcon can generate pixmaps reflecting an icon's state, mode and -

123 size. These pixmaps are generated from the set of pixmaps -

124 made available to the icon, and are used by Qt widgets to show an -

125 icon representing a particular action. -

126 -

127 The rendering of a QIcon object is handled by the QIconEngine -

128 class. Each icon has a corresponding icon engine that is -

129 responsible for drawing the icon with a requested size, mode and -

130 state. -

131 -

132 \endtable -

133 -

134 For more information about widget styling and appearance, see the -

135 \l{Styles and Style Aware Widgets}. -

136 */ -

137 -

138 -

139 /*! -

140 \class QStyle -

141 \brief The QStyle class is an abstract base class that encapsulates the look and feel of a GUI. -

142 -

143 \ingroup appearance -

144 \inmodule QtWidgets -

145 -

146 Qt contains a set of QStyle subclasses that emulate the styles of -

147 the different platforms supported by Qt (QWindowsStyle, -

148 QMacStyle etc.). By default, these styles are built -

149 into the Qt GUI module. Styles can also be made available as -

150 plugins. -

151 -

152 Qt's built-in widgets use QStyle to perform nearly all of their -

153 drawing, ensuring that they look exactly like the equivalent -

154 native widgets. The diagram below shows a QComboBox in nine -

155 different styles. -

156 -

157 \image qstyle-comboboxes.png Nine combo boxes -

158 -

159 Topics: -

160 -

161 \tableofcontents -

162 -

163 \section1 Setting a Style -

164 -

165 The style of the entire application can be set using the -

166 QApplication::setStyle() function. It can also be specified by the -

167 user of the application, using the \c -style command-line option: -

168 -

169 \snippet code/src_gui_styles_qstyle.cpp 0 -

170 -

171 If no style is specified, Qt will choose the most appropriate -

172 style for the user's platform or desktop environment. -

173 -

174 A style can also be set on an individual widget using the -

175 QWidget::setStyle() function. -

176 -

177 \section1 Developing Style-Aware Custom Widgets -

178 -

179 If you are developing custom widgets and want them to look good on -

180 all platforms, you can use QStyle functions to perform parts of -

181 the widget drawing, such as drawItemText(), drawItemPixmap(), -

182 drawPrimitive(), drawControl(), and drawComplexControl(). -

183 -

184 Most QStyle draw functions take four arguments: -

185 \list -

186 \li an enum value specifying which graphical element to draw -

187 \li a QStyleOption specifying how and where to render that element -

188 \li a QPainter that should be used to draw the element -

189 \li a QWidget on which the drawing is performed (optional) -

190 \endlist -

191 -

192 For example, if you want to draw a focus rectangle on your -

193 widget, you can write: -

194 -

195 \snippet styles/styles.cpp 1 -

196 -

197 QStyle gets all the information it needs to render the graphical -

198 element from QStyleOption. The widget is passed as the last -

199 argument in case the style needs it to perform special effects -

200 (such as animated default buttons on \macos), but it isn't -

201 mandatory. In fact, you can use QStyle to draw on any paint -

202 device, not just widgets, by setting the QPainter properly. -

203 -

204 QStyleOption has various subclasses for the various types of -

205 graphical elements that can be drawn. For example, -

206 PE_FrameFocusRect expects a QStyleOptionFocusRect argument. -

207 -

208 To ensure that drawing operations are as fast as possible, -

209 QStyleOption and its subclasses have public data members. See the -

210 QStyleOption class documentation for details on how to use it. -

211 -

212 For convenience, Qt provides the QStylePainter class, which -

213 combines a QStyle, a QPainter, and a QWidget. This makes it -

214 possible to write -

215 -

216 \snippet styles/styles.cpp 5 -

217 \dots -

218 \snippet styles/styles.cpp 7 -

219 -

220 instead of -

221 -

222 \snippet styles/styles.cpp 2 -

223 \dots -

224 \snippet styles/styles.cpp 3 -

225 -

226 \section1 Creating a Custom Style -

227 -

228 You can create a custom look and feel for your application by -

229 creating a custom style. There are two approaches to creating a -

230 custom style. In the static approach, you either choose an -

231 existing QStyle class, subclass it, and reimplement virtual -

232 functions to provide the custom behavior, or you create an entire -

233 QStyle class from scratch. In the dynamic approach, you modify the -

234 behavior of your system style at runtime. The static approach is -

235 described below. The dynamic approach is described in QProxyStyle. -

236 -

237 The first step in the static approach is to pick one of the styles -

238 provided by Qt from which you will build your custom style. Your -

239 choice of QStyle class will depend on which style resembles your -

240 desired style the most. The most general class that you can use as -

241 a base is QCommonStyle (not QStyle). This is because Qt requires -

242 its styles to be \l{QCommonStyle}s. -

243 -

244 Depending on which parts of the base style you want to change, -

245 you must reimplement the functions that are used to draw those -

246 parts of the interface. To illustrate this, we will modify the -

247 look of the spin box arrows drawn by QWindowsStyle. The arrows -

248 are \e{primitive elements} that are drawn by the drawPrimitive() -

249 function, so we need to reimplement that function. We need the -

250 following class declaration: -

251 -

252 \snippet customstyle/customstyle.h 0 -

253 -

254 To draw its up and down arrows, QSpinBox uses the -

255 PE_IndicatorSpinUp and PE_IndicatorSpinDown primitive elements. -

256 Here's how to reimplement the drawPrimitive() function to draw -

257 them differently: -

258 -

259 \snippet customstyle/customstyle.cpp 2 -

260 \snippet customstyle/customstyle.cpp 3 -

261 \snippet customstyle/customstyle.cpp 4 -

262 -

263 Notice that we don't use the \c widget argument, except to pass it -

264 on to the QWindowStyle::drawPrimitive() function. As mentioned -

265 earlier, the information about what is to be drawn and how it -

266 should be drawn is specified by a QStyleOption object, so there is -

267 no need to ask the widget. -

268 -

269 If you need to use the \c widget argument to obtain additional -

270 information, be careful to ensure that it isn't 0 and that it is -

271 of the correct type before using it. For example: -

272 -

273 \snippet customstyle/customstyle.cpp 0 -

274 \dots -

275 \snippet customstyle/customstyle.cpp 1 -

276 -

277 When implementing a custom style, you cannot assume that the -

278 widget is a QSpinBox just because the enum value is called -

279 PE_IndicatorSpinUp or PE_IndicatorSpinDown. -

280 -

281 The documentation for the \l{widgets/styles}{Styles} example -

282 covers this topic in more detail. -

283 -

284 \warning Qt style sheets are currently not supported for custom QStyle -

285 subclasses. We plan to address this in some future release. -

286 -

287 -

288 \section1 Using a Custom Style -

289 -

290 There are several ways of using a custom style in a Qt -

291 application. The simplest way is to pass the custom style to the -

292 QApplication::setStyle() static function before creating the -

293 QApplication object: -

294 -

295 \snippet customstyle/main.cpp using a custom style -

296 -

297 You can call QApplication::setStyle() at any time, but by calling -

298 it before the constructor, you ensure that the user's preference, -

299 set using the \c -style command-line option, is respected. -

300 -

301 You may want to make your custom style available for use in other -

302 applications, which may not be yours and hence not available for -

303 you to recompile. The Qt Plugin system makes it possible to create -

304 styles as plugins. Styles created as plugins are loaded as shared -

305 objects at runtime by Qt itself. Please refer to the \l{How to Create Qt Plugins}{Qt Plugin} -

306 documentation for more information on how to go about creating a style -

307 plugin. -

308 -

309 Compile your plugin and put it into Qt's \c plugins/styles -

310 directory. We now have a pluggable style that Qt can load -

311 automatically. To use your new style with existing applications, -

312 simply start the application with the following argument: -

313 -

314 \snippet code/src_gui_styles_qstyle.cpp 1 -

315 -

316 The application will use the look and feel from the custom style you -

317 implemented. -

318 -

319 \section1 Right-to-Left Desktops -

320 -

321 Languages written from right to left (such as Arabic and Hebrew) -

322 usually also mirror the whole layout of widgets, and require the -

323 light to come from the screen's top-right corner instead of -

324 top-left. -

325 -

326 If you create a custom style, you should take special care when -

327 drawing asymmetric elements to make sure that they also look -

328 correct in a mirrored layout. An easy way to test your styles is -

329 to run applications with the \c -reverse command-line option or -

330 to call QApplication::setLayoutDirection() in your \c main() -

331 function. -

332 -

333 Here are some things to keep in mind when making a style work well in a -

334 right-to-left environment: -

335 -

336 \list -

337 \li subControlRect() and subElementRect() return rectangles in screen coordinates -

338 \li QStyleOption::direction indicates in which direction the item should be drawn in -

339 \li If a style is not right-to-left aware it will display items as if it were left-to-right -

340 \li visualRect(), visualPos(), and visualAlignment() are helpful functions that will -

341 translate from logical to screen representations. -

342 \li alignedRect() will return a logical rect aligned for the current direction -

343 \endlist -

344 -

345 \section1 Styles in Item Views -

346 -

347 The painting of items in views is performed by a delegate. Qt's -

348 default delegate, QStyledItemDelegate, is also used for calculating bounding -

349 rectangles of items, and their sub-elements for the various kind -

350 of item \l{Qt::ItemDataRole}{data roles} -

351 QStyledItemDelegate supports. See the QStyledItemDelegate class -

352 description to find out which datatypes and roles are supported. You -

353 can read more about item data roles in \l{Model/View Programming}. -

354 -

355 When QStyledItemDelegate paints its items, it draws -

356 CE_ItemViewItem, and calculates their size with CT_ItemViewItem. -

357 Note also that it uses SE_ItemViewItemText to set the size of -

358 editors. When implementing a style to customize drawing of item -

359 views, you need to check the implementation of QCommonStyle (and -

360 any other subclasses from which your style -

361 inherits). This way, you find out which and how -

362 other style elements are painted, and you can then reimplement the -

363 painting of elements that should be drawn differently. -

364 -

365 We include a small example where we customize the drawing of item -

366 backgrounds. -

367 -

368 \snippet customviewstyle.cpp 0 -

369 -

370 The primitive element PE_PanelItemViewItem is responsible for -

371 painting the background of items, and is called from -

372 \l{QCommonStyle}'s implementation of CE_ItemViewItem. -

373 -

374 To add support for drawing of new datatypes and item data roles, -

375 it is necessary to create a custom delegate. But if you only -

376 need to support the datatypes implemented by the default -

377 delegate, a custom style does not need an accompanying -

378 delegate. The QStyledItemDelegate class description gives more -

379 information on custom delegates. -

380 -

381 The drawing of item view headers is also done by the style, giving -

382 control over size of header items and row and column sizes. -

383 -

384 \sa QStyleOption, QStylePainter, {Styles Example}, -

385 {Styles and Style Aware Widgets}, QStyledItemDelegate, {Styling} -

386 */ -

387 -

388 /*! -

389 Constructs a style object. -

390 */ -

391 QStyle::QStyle() -

392 : QObject(*new QStylePrivate) -

393 { -

394 Q_D(QStyle); -

395 d->proxyStyle = this; -

396

}

never executed: end of block

397 -

398 /*! -

399 \internal -

400 -

401 Constructs a style object. -

402 */ -

403 QStyle::QStyle(QStylePrivate &dd) -

404 : QObject(dd) -

405 { -

406 Q_D(QStyle); -

407 d->proxyStyle = this; -

408

}

never executed: end of block

409 -

410 /*! -

411 Destroys the style object. -

412 */ -

413 QStyle::~QStyle() -

414 { -

415 } -

416 -

417 /*! -

418 Initializes the appearance of the given \a widget. -

419 -

420 This function is called for every widget at some point after it -

421 has been fully created but just \e before it is shown for the very -

422 first time. -

423 -

424 Note that the default implementation does nothing. Reasonable -

425 actions in this function might be to call the -

426 QWidget::setBackgroundMode() function for the widget. Do not use -

427 the function to set, for example, the geometry. Reimplementing -

428 this function provides a back-door through which the appearance -

429 of a widget can be changed, but with Qt's style engine it is -

430 rarely necessary to implement this function; reimplement -

431 drawItemPixmap(), drawItemText(), drawPrimitive(), etc. instead. -

432 -

433 The QWidget::inherits() function may provide enough information to -

434 allow class-specific customizations. But because new QStyle -

435 subclasses are expected to work reasonably with all current and \e -

436 future widgets, limited use of hard-coded customization is -

437 recommended. -

438 -

439 \sa unpolish() -

440 */ -

441 void QStyle::polish(QWidget * /* widget */) -

442 { -

443 } -

444 -

445 /*! -

446 Uninitialize the given \a{widget}'s appearance. -

447 -

448 This function is the counterpart to polish(). It is called for -

449 every polished widget whenever the style is dynamically changed; -

450 the former style has to unpolish its settings before the new style -

451 can polish them again. -

452 -

453 Note that unpolish() will only be called if the widget is -

454 destroyed. This can cause problems in some cases, e.g, if you -

455 remove a widget from the UI, cache it, and then reinsert it after -

456 the style has changed; some of Qt's classes cache their widgets. -

457 -

458 \sa polish() -

459 */ -

460 void QStyle::unpolish(QWidget * /* widget */) -

461 { -

462 } -

463 -

464 /*! -

465 \fn void QStyle::polish(QApplication * application) -

466 \overload -

467 -

468 Late initialization of the given \a application object. -

469 */ -

470 void QStyle::polish(QApplication * /* app */) -

471 { -

472 } -

473 -

474 /*! -

475 \fn void QStyle::unpolish(QApplication * application) -

476 \overload -

477 -

478 Uninitialize the given \a application. -

479 */ -

480 void QStyle::unpolish(QApplication * /* app */) -

481 { -

482 } -

483 -

484 /*! -

485 \fn void QStyle::polish(QPalette & palette) -

486 \overload -

487 -

488 Changes the \a palette according to style specific requirements -

489 for color palettes (if any). -

490 -

491 \sa QPalette, QApplication::setPalette() -

492 */ -

493 void QStyle::polish(QPalette & /* pal */) -

494 { -

495 } -

496 -

497 /*! -

498 \fn QRect QStyle::itemTextRect(const QFontMetrics &metrics, const QRect &rectangle, int alignment, bool enabled, const QString &text) const -

499 -

500 Returns the area within the given \a rectangle in which to draw -

501 the provided \a text according to the specified font \a metrics -

502 and \a alignment. The \a enabled parameter indicates whether or -

503 not the associated item is enabled. -

504 -

505 If the given \a rectangle is larger than the area needed to render -

506 the \a text, the rectangle that is returned will be offset within -

507 \a rectangle according to the specified \a alignment. For -

508 example, if \a alignment is Qt::AlignCenter, the returned -

509 rectangle will be centered within \a rectangle. If the given \a -

510 rectangle is smaller than the area needed, the returned rectangle -

511 will be the smallest rectangle large enough to render the \a text. -

512 -

513 \sa Qt::Alignment -

514 */ -

515 QRect QStyle::itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled, -

516 const QString &text) const -

517 { -

518 QRect result; -

519 int x, y, w, h; -

520 rect.getRect(&x, &y, &w, &h); -

521

if (!text.isEmpty()) {

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

522 result = metrics.boundingRect(x, y, w, h, alignment, text); -

523

if (!enabled && proxy()->styleHint(SH_EtchDisabledText)) {

!enabled	Description
TRUE	never evaluated
FALSE	never evaluated

proxy()->style...hDisabledText)	Description
TRUE	never evaluated
FALSE	never evaluated

524 result.setWidth(result.width()+1); -

525 result.setHeight(result.height()+1); -

526

}

never executed: end of block

527

} else {

never executed: end of block

528 result = QRect(x, y, w, h); -

529

}

never executed: end of block

530

return result;

never executed: return result;

531 } -

532 -

533 /*! -

534 \fn QRect QStyle::itemPixmapRect(const QRect &rectangle, int alignment, const QPixmap &pixmap) const -

535 -

536 Returns the area within the given \a rectangle in which to draw -

537 the specified \a pixmap according to the defined \a alignment. -

538 */ -

539 QRect QStyle::itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const -

540 { -

541 QRect result; -

542 int x, y, w, h; -

543 rect.getRect(&x, &y, &w, &h); -

544 -

545 const int pixmapWidth = pixmap.width()/pixmap.devicePixelRatio(); -

546 const int pixmapHeight = pixmap.height()/pixmap.devicePixelRatio(); -

547 -

548

if ((alignment & Qt::AlignVCenter) == Qt::AlignVCenter)

(alignment & Q...::AlignVCenter	Description
TRUE	never evaluated
FALSE	never evaluated

549

y += h/2 - pixmapHeight/2;

never executed: y += h/2 - pixmapHeight/2;

550

else if ((alignment & Qt::AlignBottom) == Qt::AlignBottom)

(alignment & Q...t::AlignBottom	Description
TRUE	never evaluated
FALSE	never evaluated

551

y += h - pixmapHeight;

never executed: y += h - pixmapHeight;

552

if ((alignment & Qt::AlignRight) == Qt::AlignRight)

(alignment & Q...Qt::AlignRight	Description
TRUE	never evaluated
FALSE	never evaluated

553

x += w - pixmapWidth;

never executed: x += w - pixmapWidth;

554

else if ((alignment & Qt::AlignHCenter) == Qt::AlignHCenter)

(alignment & Q...::AlignHCenter	Description
TRUE	never evaluated
FALSE	never evaluated

555

x += w/2 - pixmapWidth/2;

never executed: x += w/2 - pixmapWidth/2;

556

else if ((alignment & Qt::AlignLeft) != Qt::AlignLeft && QApplication::isRightToLeft())

(alignment & Q... Qt::AlignLeft	Description
TRUE	never evaluated
FALSE	never evaluated

QApplication::isRightToLeft()	Description
TRUE	never evaluated
FALSE	never evaluated

557

x += w - pixmapWidth;

never executed: x += w - pixmapWidth;

558 result = QRect(x, y, pixmapWidth, pixmapHeight); -

559

return result;

never executed: return result;

560 } -

561 -

562 /*! -

563 \fn void QStyle::drawItemText(QPainter *painter, const QRect &rectangle, int alignment, const QPalette &palette, bool enabled, const QString& text, QPalette::ColorRole textRole) const -

564 -

565 Draws the given \a text in the specified \a rectangle using the -

566 provided \a painter and \a palette. -

567 -

568 The text is drawn using the painter's pen, and aligned and wrapped -

569 according to the specified \a alignment. If an explicit \a -

570 textRole is specified, the text is drawn using the \a palette's -

571 color for the given role. The \a enabled parameter indicates -

572 whether or not the item is enabled; when reimplementing this -

573 function, the \a enabled parameter should influence how the item is -

574 drawn. -

575 -

576 \sa Qt::Alignment, drawItemPixmap() -

577 */ -

578 void QStyle::drawItemText(QPainter *painter, const QRect &rect, int alignment, const QPalette &pal, -

579 bool enabled, const QString& text, QPalette::ColorRole textRole) const -

580 { -

581

if (text.isEmpty())

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

582

return;

never executed: return;

583 QPen savedPen; -

584

if (textRole != QPalette::NoRole) {

textRole != QPalette::NoRole	Description
TRUE	never evaluated
FALSE	never evaluated

585 savedPen = painter->pen(); -

586 painter->setPen(QPen(pal.brush(textRole), savedPen.widthF())); -

587

}

never executed: end of block

588

if (!enabled) {

!enabled	Description
TRUE	never evaluated
FALSE	never evaluated

589

if (proxy()->styleHint(SH_DitherDisabledText)) {

proxy()->style...rDisabledText)	Description
TRUE	never evaluated
FALSE	never evaluated

590 QRect br; -

591 painter->drawText(rect, alignment, text, &br); -

592 painter->fillRect(br, QBrush(painter->background().color(), Qt::Dense5Pattern)); -

593

return;

never executed: return;

594

} else if (proxy()->styleHint(SH_EtchDisabledText)) {

proxy()->style...hDisabledText)	Description
TRUE	never evaluated
FALSE	never evaluated

595 QPen pen = painter->pen(); -

596 painter->setPen(pal.light().color()); -

597 painter->drawText(rect.adjusted(1, 1, 1, 1), alignment, text); -

598 painter->setPen(pen); -

599

}

never executed: end of block

600

}

never executed: end of block

601 painter->drawText(rect, alignment, text); -

602

if (textRole != QPalette::NoRole)

textRole != QPalette::NoRole	Description
TRUE	never evaluated
FALSE	never evaluated

603

painter->setPen(savedPen);

never executed: painter->setPen(savedPen);

604

}

never executed: end of block

605 -

606 /*! -

607 \fn void QStyle::drawItemPixmap(QPainter *painter, const QRect &rectangle, int alignment, -

608 const QPixmap &pixmap) const -

609 -

610 Draws the given \a pixmap in the specified \a rectangle, according -

611 to the specified \a alignment, using the provided \a painter. -

612 -

613 \sa drawItemText() -

614 */ -

615 -

616 void QStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, -

617 const QPixmap &pixmap) const -

618 { -

619 qreal scale = pixmap.devicePixelRatio(); -

620 QRect aligned = alignedRect(QApplication::layoutDirection(), QFlag(alignment), pixmap.size() / scale, rect); -

621 QRect inter = aligned.intersected(rect); -

622 -

623 painter->drawPixmap(inter.x(), inter.y(), pixmap, inter.x() - aligned.x(), inter.y() - aligned.y(), inter.width() * scale, inter.height() *scale); -

624

}

never executed: end of block

625 -

626 /*! -

627 \enum QStyle::PrimitiveElement -

628 -

629 This enum describes the various primitive elements. A -

630 primitive element is a common GUI element, such as a checkbox -

631 indicator or button bevel. -

632 -

633 \omitvalue PE_IndicatorViewItemCheck -

634 \value PE_FrameStatusBar Obsolete. Use PE_FrameStatusBarItem instead. -

635 -

636 \value PE_PanelButtonCommand Button used to initiate an action, for -

637 example, a QPushButton. -

638 -

639 \value PE_FrameDefaultButton This frame around a default button, e.g. in a dialog. -

640 \value PE_PanelButtonBevel Generic panel with a button bevel. -

641 \value PE_PanelButtonTool Panel for a Tool button, used with QToolButton. -

642 \value PE_PanelLineEdit Panel for a QLineEdit. -

643 \value PE_IndicatorButtonDropDown Indicator for a drop down button, for example, a tool -

644 button that displays a menu. -

645 -

646 \value PE_FrameFocusRect Generic focus indicator. -

647 -

648 \value PE_IndicatorArrowUp Generic Up arrow. -

649 \value PE_IndicatorArrowDown Generic Down arrow. -

650 \value PE_IndicatorArrowRight Generic Right arrow. -

651 \value PE_IndicatorArrowLeft Generic Left arrow. -

652 -

653 \value PE_IndicatorSpinUp Up symbol for a spin widget, for example a QSpinBox. -

654 \value PE_IndicatorSpinDown Down symbol for a spin widget. -

655 \value PE_IndicatorSpinPlus Increase symbol for a spin widget. -

656 \value PE_IndicatorSpinMinus Decrease symbol for a spin widget. -

657 -

658 \value PE_IndicatorItemViewItemCheck On/off indicator for a view item. -

659 -

660 \value PE_IndicatorCheckBox On/off indicator, for example, a QCheckBox. -

661 \value PE_IndicatorRadioButton Exclusive on/off indicator, for example, a QRadioButton. -

662 -

663 \value PE_IndicatorDockWidgetResizeHandle Resize handle for dock windows. -

664 -

665 \value PE_Frame Generic frame -

666 \value PE_FrameMenu Frame for popup windows/menus; see also QMenu. -

667 \value PE_PanelMenuBar Panel for menu bars. -

668 \value PE_PanelScrollAreaCorner Panel at the bottom-right (or -

669 bottom-left) corner of a scroll area. -

670 -

671 \value PE_FrameDockWidget Panel frame for dock windows and toolbars. -

672 \value PE_FrameTabWidget Frame for tab widgets. -

673 \value PE_FrameLineEdit Panel frame for line edits. -

674 \value PE_FrameGroupBox Panel frame around group boxes. -

675 \value PE_FrameButtonBevel Panel frame for a button bevel. -

676 \value PE_FrameButtonTool Panel frame for a tool button. -

677 -

678 \value PE_IndicatorHeaderArrow Arrow used to indicate sorting on a list or table -

679 header. -

680 \value PE_FrameStatusBarItem Frame for an item of a status bar; see also QStatusBar. -

681 -

682 \value PE_FrameWindow Frame around a MDI window or a docking window. -

683 -

684 \value PE_IndicatorMenuCheckMark Check mark used in a menu. -

685 -

686 \value PE_IndicatorProgressChunk Section of a progress bar indicator; see also QProgressBar. -

687 -

688 \value PE_IndicatorBranch Lines used to represent the branch of a tree in a tree view. -

689 \value PE_IndicatorToolBarHandle The handle of a toolbar. -

690 \value PE_IndicatorToolBarSeparator The separator in a toolbar. -

691 \value PE_PanelToolBar The panel for a toolbar. -

692 \value PE_PanelTipLabel The panel for a tip label. -

693 \value PE_FrameTabBarBase The frame that is drawn for a tab bar, ususally drawn for a tab bar that isn't part of a tab widget. -

694 \value PE_IndicatorTabTear An indicator that a tab is partially scrolled out of the visible tab bar when there are many tabs. -

695 \value PE_IndicatorColumnViewArrow An arrow in a QColumnView. -

696 -

697 \value PE_Widget A plain QWidget. -

698 -

699 \value PE_CustomBase Base value for custom primitive elements. -

700 All values above this are reserved for custom use. Custom values -

701 must be greater than this value. -

702 -

703 \value PE_IndicatorItemViewItemDrop An indicator that is drawn to show where an item in an item view is about to be dropped -

704 during a drag-and-drop operation in an item view. -

705 \value PE_PanelItemViewItem The background for an item in an item view. -

706 \value PE_PanelItemViewRow The background of a row in an item view. -

707 -

708 \value PE_PanelStatusBar The panel for a status bar. -

709 -

710 \value PE_IndicatorTabClose The close button on a tab bar. -

711 \value PE_PanelMenu The panel for a menu. -

712 -

713 \sa drawPrimitive() -

714 */ -

715 -

716 -

717 /*! -

718 \enum QStyle::StateFlag -

719 -

720 This enum describes flags that are used when drawing primitive -

721 elements. -

722 -

723 Note that not all primitives use all of these flags, and that the -

724 flags may mean different things to different items. -

725 -

726 \value State_None Indicates that the widget does not have a state. -

727 \value State_Active Indicates that the widget is active. -

728 \value State_AutoRaise Used to indicate if auto-raise appearance should be used on a tool button. -

729 \value State_Children Used to indicate if an item view branch has children. -

730 \value State_DownArrow Used to indicate if a down arrow should be visible on the widget. -

731 \value State_Editing Used to indicate if an editor is opened on the widget. -

732 \value State_Enabled Used to indicate if the widget is enabled. -

733 \value State_HasEditFocus Used to indicate if the widget currently has edit focus. -

734 \value State_HasFocus Used to indicate if the widget has focus. -

735 \value State_Horizontal Used to indicate if the widget is laid out horizontally, for example. a tool bar. -

736 \value State_KeyboardFocusChange Used to indicate if the focus was changed with the keyboard, e.g., tab, backtab or shortcut. -

737 \value State_MouseOver Used to indicate if the widget is under the mouse. -

738 \value State_NoChange Used to indicate a tri-state checkbox. -

739 \value State_Off Used to indicate if the widget is not checked. -

740 \value State_On Used to indicate if the widget is checked. -

741 \value State_Raised Used to indicate if a button is raised. -

742 \value State_ReadOnly Used to indicate if a widget is read-only. -

743 \value State_Selected Used to indicate if a widget is selected. -

744 \value State_Item Used by item views to indicate if a horizontal branch should be drawn. -

745 \value State_Open Used by item views to indicate if the tree branch is open. -

746 \value State_Sibling Used by item views to indicate if a vertical line needs to be drawn (for siblings). -

747 \value State_Sunken Used to indicate if the widget is sunken or pressed. -

748 \value State_UpArrow Used to indicate if an up arrow should be visible on the widget. -

749 \value State_Mini Used to indicate a mini style Mac widget or button. -

750 \value State_Small Used to indicate a small style Mac widget or button. -

751 \omitvalue State_Window -

752 \omitvalue State_Bottom -

753 \omitvalue State_FocusAtBorder -

754 \omitvalue State_Top -

755 -

756 \sa drawPrimitive() -

757 */ -

758 -

759 /*! -

760 \fn void QStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option, \ -

761 QPainter *painter, const QWidget *widget) const -

762 -

763 Draws the given primitive \a element with the provided \a painter using the style -

764 options specified by \a option. -

765 -

766 The \a widget argument is optional and may contain a widget that may -

767 aid in drawing the primitive element. -

768 -

769 The table below is listing the primitive elements and their -

770 associated style option subclasses. The style options contain all -

771 the parameters required to draw the elements, including -

772 QStyleOption::state which holds the style flags that are used when -

773 drawing. The table also describes which flags that are set when -

774 casting the given option to the appropriate subclass. -

775 -

776 Note that if a primitive element is not listed here, it is because -

777 it uses a plain QStyleOption object. -

778 -

779 \table -

780 \header \li Primitive Element \li QStyleOption Subclass \li Style Flag \li Remark -

781 \row \li \l PE_FrameFocusRect \li \l QStyleOptionFocusRect -

782 \li \l State_FocusAtBorder -

783 \li Whether the focus is is at the border or inside the widget. -

784 \row \li{1,2} \l PE_IndicatorCheckBox \li{1,2} \l QStyleOptionButton -

785 \li \l State_NoChange \li Indicates a "tri-state" checkbox. -

786 \row \li \l State_On \li Indicates the indicator is checked. -

787 \row \li \l PE_IndicatorRadioButton \li \l QStyleOptionButton -

788 \li \l State_On \li Indicates that a radio button is selected. -

789 \row \li \l State_NoChange \li Indicates a "tri-state" controller. -

790 \row \li \l State_Enabled \li Indicates the controller is enabled. -

791 \row \li{1,4} \l PE_IndicatorBranch \li{1,4} \l QStyleOption -

792 \li \l State_Children \li Indicates that the control for expanding the tree to show child items, should be drawn. -

793 \row \li \l State_Item \li Indicates that a horizontal branch (to show a child item), should be drawn. -

794 \row \li \l State_Open \li Indicates that the tree branch is expanded. -

795 \row \li \l State_Sibling \li Indicates that a vertical line (to show a sibling item), should be drawn. -

796 \row \li \l PE_IndicatorHeaderArrow \li \l QStyleOptionHeader -

797 \li \l State_UpArrow \li Indicates that the arrow should be drawn up; -

798 otherwise it should be down. -

799 \row \li \l PE_FrameGroupBox, \l PE_Frame, \l PE_FrameLineEdit, -

800 \l PE_FrameMenu, \l PE_FrameDockWidget, \l PE_FrameWindow -

801 \li \l QStyleOptionFrame \li \l State_Sunken -

802 \li Indicates that the Frame should be sunken. -

803 \row \li \l PE_IndicatorToolBarHandle \li \l QStyleOption -

804 \li \l State_Horizontal \li Indicates that the window handle is horizontal -

805 instead of vertical. -

806 \row \li \l PE_IndicatorSpinPlus, \l PE_IndicatorSpinMinus, \l PE_IndicatorSpinUp, -

807 \l PE_IndicatorSpinDown, -

808 \li \l QStyleOptionSpinBox -

809 \li \l State_Sunken \li Indicates that the button is pressed. -

810 \row \li{1,5} \l PE_PanelButtonCommand -

811 \li{1,5} \l QStyleOptionButton -

812 \li \l State_Enabled \li Set if the button is enabled. -

813 \row \li \l State_HasFocus \li Set if the button has input focus. -

814 \row \li \l State_Raised \li Set if the button is not down, not on and not flat. -

815 \row \li \l State_On \li Set if the button is a toggle button and is toggled on. -

816 \row \li \l State_Sunken -

817 \li Set if the button is down (i.e., the mouse button or the -

818 space bar is pressed on the button). -

819 \endtable -

820 -

821 \sa drawComplexControl(), drawControl() -

822 */ -

823 -

824 /*! -

825 \enum QStyle::ControlElement -

826 -

827 This enum represents a control element. A control element is a -

828 part of a widget that performs some action or displays information -

829 to the user. -

830 -

831 \value CE_PushButton A QPushButton, draws CE_PushButtonBevel, CE_PushButtonLabel and PE_FrameFocusRect. -

832 \value CE_PushButtonBevel The bevel and default indicator of a QPushButton. -

833 \value CE_PushButtonLabel The label (an icon with text or pixmap) of a QPushButton. -

834 -

835 \value CE_DockWidgetTitle Dock window title. -

836 \value CE_Splitter Splitter handle; see also QSplitter. -

837 -

838 -

839 \value CE_CheckBox A QCheckBox, draws a PE_IndicatorCheckBox, a CE_CheckBoxLabel and a PE_FrameFocusRect. -

840 \value CE_CheckBoxLabel The label (text or pixmap) of a QCheckBox. -

841 -

842 \value CE_RadioButton A QRadioButton, draws a PE_IndicatorRadioButton, a CE_RadioButtonLabel and a PE_FrameFocusRect. -

843 \value CE_RadioButtonLabel The label (text or pixmap) of a QRadioButton. -

844 -

845 \value CE_TabBarTab The tab and label within a QTabBar. -

846 \value CE_TabBarTabShape The tab shape within a tab bar. -

847 \value CE_TabBarTabLabel The label within a tab. -

848 -

849 \value CE_ProgressBar A QProgressBar, draws CE_ProgressBarGroove, CE_ProgressBarContents and CE_ProgressBarLabel. -

850 \value CE_ProgressBarGroove The groove where the progress -

851 indicator is drawn in a QProgressBar. -

852 \value CE_ProgressBarContents The progress indicator of a QProgressBar. -

853 \value CE_ProgressBarLabel The text label of a QProgressBar. -

854 -

855 \value CE_ToolButtonLabel A tool button's label. -

856 -

857 \value CE_MenuBarItem A menu item in a QMenuBar. -

858 \value CE_MenuBarEmptyArea The empty area of a QMenuBar. -

859 -

860 \value CE_MenuItem A menu item in a QMenu. -

861 \value CE_MenuScroller Scrolling areas in a QMenu when the -

862 style supports scrolling. -

863 \value CE_MenuTearoff A menu item representing the tear off section of -

864 a QMenu. -

865 \value CE_MenuEmptyArea The area in a menu without menu items. -

866 \value CE_MenuHMargin The horizontal extra space on the left/right of a menu. -

867 \value CE_MenuVMargin The vertical extra space on the top/bottom of a menu. -

868 -

869 \value CE_ToolBoxTab The toolbox's tab and label within a QToolBox. -

870 \value CE_SizeGrip Window resize handle; see also QSizeGrip. -

871 -

872 \value CE_Header A header. -

873 \value CE_HeaderSection A header section. -

874 \value CE_HeaderLabel The header's label. -

875 -

876 \value CE_ScrollBarAddLine Scroll bar line increase indicator. -

877 (i.e., scroll down); see also QScrollBar. -

878 \value CE_ScrollBarSubLine Scroll bar line decrease indicator (i.e., scroll up). -

879 \value CE_ScrollBarAddPage Scolllbar page increase indicator (i.e., page down). -

880 \value CE_ScrollBarSubPage Scroll bar page decrease indicator (i.e., page up). -

881 \value CE_ScrollBarSlider Scroll bar slider. -

882 \value CE_ScrollBarFirst Scroll bar first line indicator (i.e., home). -

883 \value CE_ScrollBarLast Scroll bar last line indicator (i.e., end). -

884 -

885 \value CE_RubberBand Rubber band used in for example an icon view. -

886 -

887 \value CE_FocusFrame Focus frame that is style controlled. -

888 -

889 \value CE_ItemViewItem An item inside an item view. -

890 -

891 \value CE_CustomBase Base value for custom control elements; -

892 custom values must be greater than this value. -

893 \value CE_ComboBoxLabel The label of a non-editable QComboBox. -

894 \value CE_ToolBar A toolbar like QToolBar. -

895 \value CE_ToolBoxTabShape The toolbox's tab shape. -

896 \value CE_ToolBoxTabLabel The toolbox's tab label. -

897 \value CE_HeaderEmptyArea The area of a header view where there are no header sections. -

898 -

899 \value CE_ShapedFrame The frame with the shape specified in the QStyleOptionFrame; see QFrame. -

900 -

901 \omitvalue CE_ColumnViewGrip -

902 -

903 \sa drawControl() -

904 */ -

905 -

906 /*! -

907 \fn void QStyle::drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const -

908 -

909 Draws the given \a element with the provided \a painter with the -

910 style options specified by \a option. -

911 -

912 The \a widget argument is optional and can be used as aid in -

913 drawing the control. The \a option parameter is a pointer to a -

914 QStyleOption object that can be cast to the correct subclass -

915 using the qstyleoption_cast() function. -

916 -

917 The table below is listing the control elements and their -

918 associated style option subclass. The style options contain all -

919 the parameters required to draw the controls, including -

920 QStyleOption::state which holds the style flags that are used when -

921 drawing. The table also describes which flags that are set when -

922 casting the given option to the appropriate subclass. -

923 -

924 Note that if a control element is not listed here, it is because -

925 it uses a plain QStyleOption object. -

926 -

927 \table -

928 \header \li Control Element \li QStyleOption Subclass \li Style Flag \li Remark -

929 \row \li{1,5} \l CE_MenuItem, \l CE_MenuBarItem -

930 \li{1,5} \l QStyleOptionMenuItem -

931 \li \l State_Selected \li The menu item is currently selected item. -

932 \row \li \l State_Enabled \li The item is enabled. -

933 \row \li \l State_DownArrow \li Indicates that a scroll down arrow should be drawn. -

934 \row \li \l State_UpArrow \li Indicates that a scroll up arrow should be drawn -

935 \row \li \l State_HasFocus \li Set if the menu bar has input focus. -

936 -

937 \row \li{1,5} \l CE_PushButton, \l CE_PushButtonBevel, \l CE_PushButtonLabel -

938 \li{1,5} \l QStyleOptionButton -

939 \li \l State_Enabled \li Set if the button is enabled. -

940 \row \li \l State_HasFocus \li Set if the button has input focus. -

941 \row \li \l State_Raised \li Set if the button is not down, not on and not flat. -

942 \row \li \l State_On \li Set if the button is a toggle button and is toggled on. -

943 \row \li \l State_Sunken -

944 \li Set if the button is down (i.e., the mouse button or the -

945 space bar is pressed on the button). -

946 -

947 \row \li{1,6} \l CE_RadioButton, \l CE_RadioButtonLabel, -

948 \l CE_CheckBox, \l CE_CheckBoxLabel -

949 \li{1,6} \l QStyleOptionButton -

950 \li \l State_Enabled \li Set if the button is enabled. -

951 \row \li \l State_HasFocus \li Set if the button has input focus. -

952 \row \li \l State_On \li Set if the button is checked. -

953 \row \li \l State_Off \li Set if the button is not checked. -

954 \row \li \l State_NoChange \li Set if the button is in the NoChange state. -

955 \row \li \l State_Sunken -

956 \li Set if the button is down (i.e., the mouse button or -

957 the space bar is pressed on the button). -

958 -

959 \row \li{1,2} \l CE_ProgressBarContents, \l CE_ProgressBarLabel, -

960 \l CE_ProgressBarGroove -

961 \li{1,2} \l QStyleOptionProgressBar -

962 \li \l State_Enabled \li Set if the progress bar is enabled. -

963 \row \li \l State_HasFocus \li Set if the progress bar has input focus. -

964 -

965 \row \li \l CE_Header, \l CE_HeaderSection, \l CE_HeaderLabel \li \l QStyleOptionHeader \li \li -

966 -

967 \row \li{1,3} \l CE_TabBarTab, CE_TabBarTabShape, CE_TabBarTabLabel -

968 \li{1,3} \l QStyleOptionTab -

969 \li \l State_Enabled \li Set if the tab bar is enabled. -

970 \row \li \l State_Selected \li The tab bar is the currently selected tab bar. -

971 \row \li \l State_HasFocus \li Set if the tab bar tab has input focus. -

972 -

973 \row \li{1,7} \l CE_ToolButtonLabel -

974 \li{1,7} \l QStyleOptionToolButton -

975 \li \l State_Enabled \li Set if the tool button is enabled. -

976 \row \li \l State_HasFocus \li Set if the tool button has input focus. -

977 \row \li \l State_Sunken -

978 \li Set if the tool button is down (i.e., a mouse button or -

979 the space bar is pressed). -

980 \row \li \l State_On \li Set if the tool button is a toggle button and is toggled on. -

981 \row \li \l State_AutoRaise \li Set if the tool button has auto-raise enabled. -

982 \row \li \l State_MouseOver \li Set if the mouse pointer is over the tool button. -

983 \row \li \l State_Raised \li Set if the button is not down and is not on. -

984 -

985 \row \li \l CE_ToolBoxTab \li \l QStyleOptionToolBox -

986 \li \l State_Selected \li The tab is the currently selected tab. -

987 \row \li{1,3} \l CE_HeaderSection \li{1,3} \l QStyleOptionHeader -

988 \li \l State_Sunken \li Indicates that the section is pressed. -

989 \row \li \l State_UpArrow \li Indicates that the sort indicator should be pointing up. -

990 \row \li \l State_DownArrow \li Indicates that the sort indicator should be pointing down. -

991 \endtable -

992 -

993 \sa drawPrimitive(), drawComplexControl() -

994 */ -

995 -

996 /*! -

997 \enum QStyle::SubElement -

998 -

999 This enum represents a sub-area of a widget. Style implementations -

1000 use these areas to draw the different parts of a widget. -

1001 -

1002 \value SE_PushButtonContents Area containing the label (icon -

1003 with text or pixmap). -

1004 \value SE_PushButtonFocusRect Area for the focus rect (usually -

1005 larger than the contents rect). -

1006 \value SE_PushButtonLayoutItem Area that counts for the parent layout. -

1007 -

1008 \value SE_CheckBoxIndicator Area for the state indicator (e.g., check mark). -

1009 \value SE_CheckBoxContents Area for the label (text or pixmap). -

1010 \value SE_CheckBoxFocusRect Area for the focus indicator. -

1011 \value SE_CheckBoxClickRect Clickable area, defaults to SE_CheckBoxFocusRect. -

1012 \value SE_CheckBoxLayoutItem Area that counts for the parent layout. -

1013 -

1014 \value SE_DateTimeEditLayoutItem Area that counts for the parent layout. -

1015 -

1016 \value SE_RadioButtonIndicator Area for the state indicator. -

1017 \value SE_RadioButtonContents Area for the label. -

1018 \value SE_RadioButtonFocusRect Area for the focus indicator. -

1019 \value SE_RadioButtonClickRect Clickable area, defaults to SE_RadioButtonFocusRect. -

1020 \value SE_RadioButtonLayoutItem Area that counts for the parent layout. -

1021 -

1022 \value SE_ComboBoxFocusRect Area for the focus indicator. -

1023 -

1024 \value SE_SliderFocusRect Area for the focus indicator. -

1025 \value SE_SliderLayoutItem Area that counts for the parent layout. -

1026 -

1027 \value SE_SpinBoxLayoutItem Area that counts for the parent layout. -

1028 -

1029 \value SE_ProgressBarGroove Area for the groove. -

1030 \value SE_ProgressBarContents Area for the progress indicator. -

1031 \value SE_ProgressBarLabel Area for the text label. -

1032 \value SE_ProgressBarLayoutItem Area that counts for the parent layout. -

1033 -

1034 \omitvalue SE_ViewItemCheckIndicator -

1035 -

1036 \value SE_FrameContents Area for a frame's contents. -

1037 \value SE_ShapedFrameContents Area for a frame's contents using the shape in QStyleOptionFrame; see QFrame -

1038 \value SE_FrameLayoutItem Area that counts for the parent layout. -

1039 -

1040 \value SE_HeaderArrow Area for the sort indicator for a header. -

1041 \value SE_HeaderLabel Area for the label in a header. -

1042 -

1043 \value SE_LabelLayoutItem Area that counts for the parent layout. -

1044 -

1045 \value SE_LineEditContents Area for a line edit's contents. -

1046 -

1047 \value SE_TabWidgetLeftCorner Area for the left corner widget in a tab widget. -

1048 \value SE_TabWidgetRightCorner Area for the right corner widget in a tab widget. -

1049 \value SE_TabWidgetTabBar Area for the tab bar widget in a tab widget. -

1050 \value SE_TabWidgetTabContents Area for the contents of the tab widget. -

1051 \value SE_TabWidgetTabPane Area for the pane of a tab widget. -

1052 \value SE_TabWidgetLayoutItem Area that counts for the parent layout. -

1053 -

1054 \value SE_ToolBoxTabContents Area for a toolbox tab's icon and label. -

1055 -

1056 \value SE_ToolButtonLayoutItem Area that counts for the parent layout. -

1057 -

1058 \value SE_ItemViewItemCheckIndicator Area for a view item's check mark. -

1059 -

1060 \value SE_TabBarTearIndicator Area for the tear indicator on a tab bar with scroll arrows. -

1061 -

1062 \value SE_TreeViewDisclosureItem Area for the actual disclosure item in a tree branch. -

1063 -

1064 \value SE_DialogButtonBoxLayoutItem Area that counts for the parent layout. -

1065 -

1066 \value SE_GroupBoxLayoutItem Area that counts for the parent layout. -

1067 -

1068 \value SE_CustomBase Base value for custom sub-elements. -

1069 Custom values must be greater than this value. -

1070 -

1071 \value SE_DockWidgetFloatButton The float button of a dock -

1072 widget. -

1073 \value SE_DockWidgetTitleBarText The text bounds of the dock -

1074 widgets title. -

1075 \value SE_DockWidgetCloseButton The close button of a dock -

1076 widget. -

1077 \value SE_DockWidgetIcon The icon of a dock widget. -

1078 \value SE_ComboBoxLayoutItem Area that counts for the parent layout. -

1079 -

1080 -

1081 \value SE_ItemViewItemDecoration Area for a view item's decoration (icon). -

1082 \value SE_ItemViewItemText Area for a view item's text. -

1083 \value SE_ItemViewItemFocusRect Area for a view item's focus rect. -

1084 -

1085 \value SE_TabBarTabLeftButton Area for a widget on the left side of a tab in a tab bar. -

1086 \value SE_TabBarTabRightButton Area for a widget on the right side of a tab in a tab bar. -

1087 \value SE_TabBarTabText Area for the text on a tab in a tab bar. -

1088 -

1089 \value SE_ToolBarHandle Area for the handle of a tool bar. -

1090 -

1091 \sa subElementRect() -

1092 */ -

1093 -

1094 /*! -

1095 \fn QRect QStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const -

1096 -

1097 Returns the sub-area for the given \a element as described in the -

1098 provided style \a option. The returned rectangle is defined in -

1099 screen coordinates. -

1100 -

1101 The \a widget argument is optional and can be used to aid -

1102 determining the area. The QStyleOption object can be cast to the -

1103 appropriate type using the qstyleoption_cast() function. See the -

1104 table below for the appropriate \a option casts: -

1105 -

1106 \table -

1107 \header \li Sub Element \li QStyleOption Subclass -

1108 \row \li \l SE_PushButtonContents \li \l QStyleOptionButton -

1109 \row \li \l SE_PushButtonFocusRect \li \l QStyleOptionButton -

1110 \row \li \l SE_CheckBoxIndicator \li \l QStyleOptionButton -

1111 \row \li \l SE_CheckBoxContents \li \l QStyleOptionButton -

1112 \row \li \l SE_CheckBoxFocusRect \li \l QStyleOptionButton -

1113 \row \li \l SE_RadioButtonIndicator \li \l QStyleOptionButton -

1114 \row \li \l SE_RadioButtonContents \li \l QStyleOptionButton -

1115 \row \li \l SE_RadioButtonFocusRect \li \l QStyleOptionButton -

1116 \row \li \l SE_ComboBoxFocusRect \li \l QStyleOptionComboBox -

1117 \row \li \l SE_ProgressBarGroove \li \l QStyleOptionProgressBar -

1118 \row \li \l SE_ProgressBarContents \li \l QStyleOptionProgressBar -

1119 \row \li \l SE_ProgressBarLabel \li \l QStyleOptionProgressBar -

1120 \endtable -

1121 */ -

1122 -

1123 /*! -

1124 \enum QStyle::ComplexControl -

1125 -

1126 This enum describes the available complex controls. Complex -

1127 controls have different behavior depending upon where the user -

1128 clicks on them or which keys are pressed. -

1129 -

1130 \value CC_SpinBox A spinbox, like QSpinBox. -

1131 \value CC_ComboBox A combobox, like QComboBox. -

1132 \value CC_ScrollBar A scroll bar, like QScrollBar. -

1133 \value CC_Slider A slider, like QSlider. -

1134 \value CC_ToolButton A tool button, like QToolButton. -

1135 \value CC_TitleBar A Title bar, like those used in QMdiSubWindow. -

1136 \value CC_GroupBox A group box, like QGroupBox. -

1137 \value CC_Dial A dial, like QDial. -

1138 \value CC_MdiControls The minimize, close, and normal -

1139 button in the menu bar for a -

1140 maximized MDI subwindow. -

1141 -

1142 \value CC_CustomBase Base value for custom complex controls. Custom -

1143 values must be greater than this value. -

1144 -

1145 \sa SubControl, drawComplexControl() -

1146 */ -

1147 -

1148 /*! -

1149 \enum QStyle::SubControl -

1150 -

1151 This enum describes the available sub controls. A subcontrol is a -

1152 control element within a complex control (ComplexControl). -

1153 -

1154 \value SC_None Special value that matches no other sub control. -

1155 -

1156 \value SC_ScrollBarAddLine Scroll bar add line (i.e., down/right -

1157 arrow); see also QScrollBar. -

1158 \value SC_ScrollBarSubLine Scroll bar sub line (i.e., up/left arrow). -

1159 \value SC_ScrollBarAddPage Scroll bar add page (i.e., page down). -

1160 \value SC_ScrollBarSubPage Scroll bar sub page (i.e., page up). -

1161 \value SC_ScrollBarFirst Scroll bar first line (i.e., home). -

1162 \value SC_ScrollBarLast Scroll bar last line (i.e., end). -

1163 \value SC_ScrollBarSlider Scroll bar slider handle. -

1164 \value SC_ScrollBarGroove Special sub-control which contains the -

1165 area in which the slider handle may move. -

1166 -

1167 \value SC_SpinBoxUp Spin widget up/increase; see also QSpinBox. -

1168 \value SC_SpinBoxDown Spin widget down/decrease. -

1169 \value SC_SpinBoxFrame Spin widget frame. -

1170 \value SC_SpinBoxEditField Spin widget edit field. -

1171 -

1172 \value SC_ComboBoxEditField Combobox edit field; see also QComboBox. -

1173 \value SC_ComboBoxArrow Combobox arrow button. -

1174 \value SC_ComboBoxFrame Combobox frame. -

1175 \value SC_ComboBoxListBoxPopup The reference rectangle for the combobox popup. -

1176 Used to calculate the position of the popup. -

1177 -

1178 \value SC_SliderGroove Special sub-control which contains the area -

1179 in which the slider handle may move. -

1180 \value SC_SliderHandle Slider handle. -

1181 \value SC_SliderTickmarks Slider tickmarks. -

1182 -

1183 \value SC_ToolButton Tool button (see also QToolButton). -

1184 \value SC_ToolButtonMenu Sub-control for opening a popup menu in a -

1185 tool button. -

1186 -

1187 \value SC_TitleBarSysMenu System menu button (i.e., restore, close, etc.). -

1188 \value SC_TitleBarMinButton Minimize button. -

1189 \value SC_TitleBarMaxButton Maximize button. -

1190 \value SC_TitleBarCloseButton Close button. -

1191 \value SC_TitleBarLabel Window title label. -

1192 \value SC_TitleBarNormalButton Normal (restore) button. -

1193 \value SC_TitleBarShadeButton Shade button. -

1194 \value SC_TitleBarUnshadeButton Unshade button. -

1195 \value SC_TitleBarContextHelpButton Context Help button. -

1196 -

1197 \value SC_DialHandle The handle of the dial (i.e. what you use to control the dial). -

1198 \value SC_DialGroove The groove for the dial. -

1199 \value SC_DialTickmarks The tickmarks for the dial. -

1200 -

1201 \value SC_GroupBoxFrame The frame of a group box. -

1202 \value SC_GroupBoxLabel The title of a group box. -

1203 \value SC_GroupBoxCheckBox The optional check box of a group box. -

1204 \value SC_GroupBoxContents The group box contents. -

1205 -

1206 \value SC_MdiNormalButton The normal button for a MDI -

1207 subwindow in the menu bar. -

1208 \value SC_MdiMinButton The minimize button for a MDI -

1209 subwindow in the menu bar. -

1210 \value SC_MdiCloseButton The close button for a MDI subwindow -

1211 in the menu bar. -

1212 -

1213 \value SC_All Special value that matches all sub-controls. -

1214 \omitvalue SC_CustomBase -

1215 -

1216 \sa ComplexControl -

1217 */ -

1218 -

1219 /*! -

1220 \fn void QStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const -

1221 -

1222 Draws the given \a control using the provided \a painter with the -

1223 style options specified by \a option. -

1224 -

1225 The \a widget argument is optional and can be used as aid in -

1226 drawing the control. -

1227 -

1228 The \a option parameter is a pointer to a QStyleOptionComplex -

1229 object that can be cast to the correct subclass using the -

1230 qstyleoption_cast() function. Note that the \c rect member of the -

1231 specified \a option must be in logical -

1232 coordinates. Reimplementations of this function should use -

1233 visualRect() to change the logical coordinates into screen -

1234 coordinates before calling the drawPrimitive() or drawControl() -

1235 function. -

1236 -

1237 The table below is listing the complex control elements and their -

1238 associated style option subclass. The style options contain all -

1239 the parameters required to draw the controls, including -

1240 QStyleOption::state which holds the \l {QStyle::StateFlag}{style -

1241 flags} that are used when drawing. The table also describes which -

1242 flags that are set when casting the given \a option to the -

1243 appropriate subclass. -

1244 -

1245 \table -

1246 \header \li Complex Control \li QStyleOptionComplex Subclass \li Style Flag \li Remark -

1247 \row \li{1,2} \l{CC_SpinBox} \li{1,2} \l QStyleOptionSpinBox -

1248 \li \l State_Enabled \li Set if the spin box is enabled. -

1249 \row \li \l State_HasFocus \li Set if the spin box has input focus. -

1250 -

1251 \row \li{1,2} \l {CC_ComboBox} \li{1,2} \l QStyleOptionComboBox -

1252 \li \l State_Enabled \li Set if the combobox is enabled. -

1253 \row \li \l State_HasFocus \li Set if the combobox has input focus. -

1254 -

1255 \row \li{1,2} \l {CC_ScrollBar} \li{1,2} \l QStyleOptionSlider -

1256 \li \l State_Enabled \li Set if the scroll bar is enabled. -

1257 \row \li \l State_HasFocus \li Set if the scroll bar has input focus. -

1258 -

1259 \row \li{1,2} \l {CC_Slider} \li{1,2} \l QStyleOptionSlider -

1260 \li \l State_Enabled \li Set if the slider is enabled. -

1261 \row \li \l State_HasFocus \li Set if the slider has input focus. -

1262 -

1263 \row \li{1,2} \l {CC_Dial} \li{1,2} \l QStyleOptionSlider -

1264 \li \l State_Enabled \li Set if the dial is enabled. -

1265 \row \li \l State_HasFocus \li Set if the dial has input focus. -

1266 -

1267 \row \li{1,6} \l {CC_ToolButton} \li{1,6} \l QStyleOptionToolButton -

1268 \li \l State_Enabled \li Set if the tool button is enabled. -

1269 \row \li \l State_HasFocus \li Set if the tool button has input focus. -

1270 \row \li \l State_DownArrow \li Set if the tool button is down (i.e., a mouse -

1271 button or the space bar is pressed). -

1272 \row \li \l State_On \li Set if the tool button is a toggle button -

1273 and is toggled on. -

1274 \row \li \l State_AutoRaise \li Set if the tool button has auto-raise enabled. -

1275 \row \li \l State_Raised \li Set if the button is not down, not on, and doesn't -

1276 contain the mouse when auto-raise is enabled. -

1277 -

1278 \row \li \l{CC_TitleBar} \li \l QStyleOptionTitleBar -

1279 \li \l State_Enabled \li Set if the title bar is enabled. -

1280 -

1281 \endtable -

1282 -

1283 \sa drawPrimitive(), drawControl() -

1284 */ -

1285 -

1286 -

1287 /*! -

1288 \fn QRect QStyle::subControlRect(ComplexControl control, -

1289 const QStyleOptionComplex *option, SubControl subControl, -

1290 const QWidget *widget) const = 0 -

1291 -

1292 Returns the rectangle containing the specified \a subControl of -

1293 the given complex \a control (with the style specified by \a -

1294 option). The rectangle is defined in screen coordinates. -

1295 -

1296 The \a option argument is a pointer to QStyleOptionComplex or -

1297 one of its subclasses, and can be cast to the appropriate type -

1298 using the qstyleoption_cast() function. See drawComplexControl() -

1299 for details. The \a widget is optional and can contain additional -

1300 information for the function. -

1301 -

1302 \sa drawComplexControl() -

1303 */ -

1304 -

1305 /*! -

1306 \fn QStyle::SubControl QStyle::hitTestComplexControl(ComplexControl control, -

1307 const QStyleOptionComplex *option, const QPoint &position, -

1308 const QWidget *widget) const = 0 -

1309 -

1310 Returns the sub control at the given \a position in the given -

1311 complex \a control (with the style options specified by \a -

1312 option). -

1313 -

1314 Note that the \a position is expressed in screen coordinates. -

1315 -

1316 The \a option argument is a pointer to a QStyleOptionComplex -

1317 object (or one of its subclasses). The object can be cast to the -

1318 appropriate type using the qstyleoption_cast() function. See -

1319 drawComplexControl() for details. The \a widget argument is -

1320 optional and can contain additional information for the function. -

1321 -

1322 \sa drawComplexControl(), subControlRect() -

1323 */ -

1324 -

1325 /*! -

1326 \enum QStyle::PixelMetric -

1327 -

1328 This enum describes the various available pixel metrics. A pixel -

1329 metric is a style dependent size represented by a single pixel -

1330 value. -

1331 -

1332 \value PM_ButtonMargin Amount of whitespace between push button -

1333 labels and the frame. -

1334 \value PM_DockWidgetTitleBarButtonMargin Amount of whitespace between dock widget's -

1335 title bar button labels and the frame. -

1336 \value PM_ButtonDefaultIndicator Width of the default-button indicator frame. -

1337 \value PM_MenuButtonIndicator Width of the menu button indicator -

1338 proportional to the widget height. -

1339 \value PM_ButtonShiftHorizontal Horizontal contents shift of a -

1340 button when the button is down. -

1341 \value PM_ButtonShiftVertical Vertical contents shift of a button when the -

1342 button is down. -

1343 -

1344 \value PM_DefaultFrameWidth Default frame width (usually 2). -

1345 \value PM_SpinBoxFrameWidth Frame width of a spin box, defaults to PM_DefaultFrameWidth. -

1346 \value PM_ComboBoxFrameWidth Frame width of a combo box, defaults to PM_DefaultFrameWidth. -

1347 -

1348 \value PM_MDIFrameWidth Obsolete. Use PM_MdiSubWindowFrameWidth instead. -

1349 \value PM_MdiSubWindowFrameWidth Frame width of an MDI window. -

1350 \value PM_MDIMinimizedWidth Obsolete. Use PM_MdiSubWindowMinimizedWidth instead. -

1351 \value PM_MdiSubWindowMinimizedWidth Width of a minimized MDI window. -

1352 -

1353 \value PM_LayoutLeftMargin Default \l{QLayout::setContentsMargins()}{left margin} for a -

1354 QLayout. -

1355 \value PM_LayoutTopMargin Default \l{QLayout::setContentsMargins()}{top margin} for a QLayout. -

1356 \value PM_LayoutRightMargin Default \l{QLayout::setContentsMargins()}{right margin} for a -

1357 QLayout. -

1358 \value PM_LayoutBottomMargin Default \l{QLayout::setContentsMargins()}{bottom margin} for a -

1359 QLayout. -

1360 \value PM_LayoutHorizontalSpacing Default \l{QLayout::spacing}{horizontal spacing} for a -

1361 QLayout. -

1362 \value PM_LayoutVerticalSpacing Default \l{QLayout::spacing}{vertical spacing} for a QLayout. -

1363 -

1364 \value PM_MaximumDragDistance The maximum allowed distance between -

1365 the mouse and a scrollbar when dragging. Exceeding the specified -

1366 distance will cause the slider to jump back to the original -

1367 position; a value of -1 disables this behavior. -

1368 -

1369 \value PM_ScrollBarExtent Width of a vertical scroll bar and the -

1370 height of a horizontal scroll bar. -

1371 \value PM_ScrollBarSliderMin The minimum height of a vertical -

1372 scroll bar's slider and the minimum width of a horizontal -

1373 scroll bar's slider. -

1374 -

1375 \value PM_SliderThickness Total slider thickness. -

1376 \value PM_SliderControlThickness Thickness of the slider handle. -

1377 \value PM_SliderLength Length of the slider. -

1378 \value PM_SliderTickmarkOffset The offset between the tickmarks -

1379 and the slider. -

1380 \value PM_SliderSpaceAvailable The available space for the slider to move. -

1381 -

1382 \value PM_DockWidgetSeparatorExtent Width of a separator in a -

1383 horizontal dock window and the height of a separator in a -

1384 vertical dock window. -

1385 \value PM_DockWidgetHandleExtent Width of the handle in a -

1386 horizontal dock window and the height of the handle in a -

1387 vertical dock window. -

1388 \value PM_DockWidgetFrameWidth Frame width of a dock window. -

1389 \value PM_DockWidgetTitleMargin Margin of the dock window title. -

1390 -

1391 \value PM_MenuBarPanelWidth Frame width of a menu bar, defaults to PM_DefaultFrameWidth. -

1392 \value PM_MenuBarItemSpacing Spacing between menu bar items. -

1393 \value PM_MenuBarHMargin Spacing between menu bar items and left/right of bar. -

1394 \value PM_MenuBarVMargin Spacing between menu bar items and top/bottom of bar. -

1395 -

1396 \value PM_ToolBarFrameWidth Width of the frame around toolbars. -

1397 \value PM_ToolBarHandleExtent Width of a toolbar handle in a -

1398 horizontal toolbar and the height of the handle in a vertical toolbar. -

1399 \value PM_ToolBarItemMargin Spacing between the toolbar frame and the items. -

1400 \value PM_ToolBarItemSpacing Spacing between toolbar items. -

1401 \value PM_ToolBarSeparatorExtent Width of a toolbar separator in a -

1402 horizontal toolbar and the height of a separator in a vertical toolbar. -

1403 \value PM_ToolBarExtensionExtent Width of a toolbar extension -

1404 button in a horizontal toolbar and the height of the button in a -

1405 vertical toolbar. -

1406 -

1407 \value PM_TabBarTabOverlap Number of pixels the tabs should overlap. -

1408 (Currently only used in styles, not inside of QTabBar) -

1409 \value PM_TabBarTabHSpace Extra space added to the tab width. -

1410 \value PM_TabBarTabVSpace Extra space added to the tab height. -

1411 \value PM_TabBarBaseHeight Height of the area between the tab bar -

1412 and the tab pages. -

1413 \value PM_TabBarBaseOverlap Number of pixels the tab bar overlaps -

1414 the tab bar base. -

1415 \value PM_TabBarScrollButtonWidth -

1416 \value PM_TabBarTabShiftHorizontal Horizontal pixel shift when a -

1417 tab is selected. -

1418 \value PM_TabBarTabShiftVertical Vertical pixel shift when a -

1419 tab is selected. -

1420 -

1421 \value PM_ProgressBarChunkWidth Width of a chunk in a progress bar indicator. -

1422 -

1423 \value PM_SplitterWidth Width of a splitter. -

1424 -

1425 \value PM_TitleBarHeight Height of the title bar. -

1426 -

1427 \value PM_IndicatorWidth Width of a check box indicator. -

1428 \value PM_IndicatorHeight Height of a checkbox indicator. -

1429 \value PM_ExclusiveIndicatorWidth Width of a radio button indicator. -

1430 \value PM_ExclusiveIndicatorHeight Height of a radio button indicator. -

1431 -

1432 \value PM_MenuPanelWidth Border width (applied on all sides) for a QMenu. -

1433 \value PM_MenuHMargin Additional border (used on left and right) for a QMenu. -

1434 \value PM_MenuVMargin Additional border (used for bottom and top) for a QMenu. -

1435 \value PM_MenuScrollerHeight Height of the scroller area in a QMenu. -

1436 \value PM_MenuTearoffHeight Height of a tear off area in a QMenu. -

1437 \value PM_MenuDesktopFrameWidth The frame width for the menu on the desktop. -

1438 -

1439 \omitvalue PM_DialogButtonsSeparator -

1440 \omitvalue PM_DialogButtonsButtonWidth -

1441 \omitvalue PM_DialogButtonsButtonHeight -

1442 -

1443 \value PM_HeaderMarkSize The size of the sort indicator in a header. -

1444 \value PM_HeaderGripMargin The size of the resize grip in a header. -

1445 \value PM_HeaderMargin The size of the margin between the sort indicator and the text. -

1446 \value PM_SpinBoxSliderHeight The height of the optional spin box slider. -

1447 -

1448 \value PM_ToolBarIconSize Default tool bar icon size -

1449 \value PM_SmallIconSize Default small icon size -

1450 \value PM_LargeIconSize Default large icon size -

1451 -

1452 \value PM_FocusFrameHMargin Horizontal margin that the focus frame will outset the widget by. -

1453 \value PM_FocusFrameVMargin Vertical margin that the focus frame will outset the widget by. -

1454 \value PM_IconViewIconSize The default size for icons in an icon view. -

1455 \value PM_ListViewIconSize The default size for icons in a list view. -

1456 -

1457 \value PM_ToolTipLabelFrameWidth The frame width for a tool tip label. -

1458 \value PM_CheckBoxLabelSpacing The spacing between a check box indicator and its label. -

1459 \value PM_RadioButtonLabelSpacing The spacing between a radio button indicator and its label. -

1460 \value PM_TabBarIconSize The default icon size for a tab bar. -

1461 \value PM_SizeGripSize The size of a size grip. -

1462 \value PM_MessageBoxIconSize The size of the standard icons in a message box -

1463 \value PM_ButtonIconSize The default size of button icons -

1464 \value PM_TextCursorWidth The width of the cursor in a line edit or text edit -

1465 \value PM_TabBar_ScrollButtonOverlap The distance between the left and right buttons in a tab bar. -

1466 -

1467 \value PM_TabCloseIndicatorWidth The default width of a close button on a tab in a tab bar. -

1468 \value PM_TabCloseIndicatorHeight The default height of a close button on a tab in a tab bar. -

1469 -

1470 \value PM_ScrollView_ScrollBarSpacing Distance between frame and scrollbar -

1471 with SH_ScrollView_FrameOnlyAroundContents set. -

1472 \value PM_ScrollView_ScrollBarOverlap Overlap between scroll bars and scroll content -

1473 -

1474 \value PM_SubMenuOverlap The horizontal overlap between a submenu and its parent. -

1475 -

1476 \value PM_TreeViewIndentation The indentation of items in a tree view. -

1477 This enum value has been introduced in Qt 5.4. -

1478 -

1479 \value PM_HeaderDefaultSectionSizeHorizontal The default size of sections -

1480 in a horizontal header. This enum value has been introduced in Qt 5.5. -

1481 \value PM_HeaderDefaultSectionSizeVertical The default size of sections -

1482 in a vertical header. This enum value has been introduced in Qt 5.5. -

1483 -

1484 \value PM_CustomBase Base value for custom pixel metrics. Custom -

1485 values must be greater than this value. -

1486 -

1487 The following values are obsolete: -

1488 -

1489 \value PM_DefaultTopLevelMargin Use PM_LayoutLeftMargin, -

1490 PM_LayoutTopMargin, -

1491 PM_LayoutRightMargin, and -

1492 PM_LayoutBottomMargin instead. -

1493 \value PM_DefaultChildMargin Use PM_LayoutLeftMargin, -

1494 PM_LayoutTopMargin, -

1495 PM_LayoutRightMargin, and -

1496 PM_LayoutBottomMargin instead. -

1497 \value PM_DefaultLayoutSpacing Use PM_LayoutHorizontalSpacing -

1498 and PM_LayoutVerticalSpacing -

1499 instead. -

1500 -

1501 -

1502 \sa pixelMetric() -

1503 */ -

1504 -

1505 /*! -

1506 \fn int QStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const; -

1507 -

1508 Returns the value of the given pixel \a metric. -

1509 -

1510 The specified \a option and \a widget can be used for calculating -

1511 the metric. In general, the \a widget argument is not used. The \a -

1512 option can be cast to the appropriate type using the -

1513 qstyleoption_cast() function. Note that the \a option may be zero -

1514 even for PixelMetrics that can make use of it. See the table below -

1515 for the appropriate \a option casts: -

1516 -

1517 \table -

1518 \header \li Pixel Metric \li QStyleOption Subclass -

1519 \row \li \l PM_SliderControlThickness \li \l QStyleOptionSlider -

1520 \row \li \l PM_SliderLength \li \l QStyleOptionSlider -

1521 \row \li \l PM_SliderTickmarkOffset \li \l QStyleOptionSlider -

1522 \row \li \l PM_SliderSpaceAvailable \li \l QStyleOptionSlider -

1523 \row \li \l PM_ScrollBarExtent \li \l QStyleOptionSlider -

1524 \row \li \l PM_TabBarTabOverlap \li \l QStyleOptionTab -

1525 \row \li \l PM_TabBarTabHSpace \li \l QStyleOptionTab -

1526 \row \li \l PM_TabBarTabVSpace \li \l QStyleOptionTab -

1527 \row \li \l PM_TabBarBaseHeight \li \l QStyleOptionTab -

1528 \row \li \l PM_TabBarBaseOverlap \li \l QStyleOptionTab -

1529 \endtable -

1530 -

1531 Some pixel metrics are called from widgets and some are only called -

1532 internally by the style. If the metric is not called by a widget, it is the -

1533 discretion of the style author to make use of it. For some styles, this -

1534 may not be appropriate. -

1535 */ -

1536 -

1537 /*! -

1538 \enum QStyle::ContentsType -

1539 -

1540 This enum describes the available contents types. These are used to -

1541 calculate sizes for the contents of various widgets. -

1542 -

1543 \value CT_CheckBox A check box, like QCheckBox. -

1544 \value CT_ComboBox A combo box, like QComboBox. -

1545 \omitvalue CT_DialogButtons -

1546 \value CT_HeaderSection A header section, like QHeader. -

1547 \value CT_LineEdit A line edit, like QLineEdit. -

1548 \value CT_Menu A menu, like QMenu. -

1549 \value CT_MenuBar A menu bar, like QMenuBar. -

1550 \value CT_MenuBarItem A menu bar item, like the buttons in a QMenuBar. -

1551 \value CT_MenuItem A menu item, like QMenuItem. -

1552 \value CT_ProgressBar A progress bar, like QProgressBar. -

1553 \value CT_PushButton A push button, like QPushButton. -

1554 \value CT_RadioButton A radio button, like QRadioButton. -

1555 \value CT_SizeGrip A size grip, like QSizeGrip. -

1556 \value CT_Slider A slider, like QSlider. -

1557 \value CT_ScrollBar A scroll bar, like QScrollBar. -

1558 \value CT_SpinBox A spin box, like QSpinBox. -

1559 \value CT_Splitter A splitter, like QSplitter. -

1560 \value CT_TabBarTab A tab on a tab bar, like QTabBar. -

1561 \value CT_TabWidget A tab widget, like QTabWidget. -

1562 \value CT_ToolButton A tool button, like QToolButton. -

1563 \value CT_GroupBox A group box, like QGroupBox. -

1564 \value CT_ItemViewItem An item inside an item view. -

1565 -

1566 \value CT_CustomBase Base value for custom contents types. -

1567 Custom values must be greater than this value. -

1568 -

1569 \value CT_MdiControls The minimize, normal, and close button -

1570 in the menu bar for a maximized MDI -

1571 subwindow. -

1572 -

1573 \sa sizeFromContents() -

1574 */ -

1575 -

1576 /*! -

1577 \fn QSize QStyle::sizeFromContents(ContentsType type, const QStyleOption *option, \ -

1578 const QSize &contentsSize, const QWidget *widget) const -

1579 -

1580 Returns the size of the element described by the specified -

1581 \a option and \a type, based on the provided \a contentsSize. -

1582 -

1583 The \a option argument is a pointer to a QStyleOption or one of -

1584 its subclasses. The \a option can be cast to the appropriate type -

1585 using the qstyleoption_cast() function. The \a widget is an -

1586 optional argument and can contain extra information used for -

1587 calculating the size. -

1588 -

1589 See the table below for the appropriate \a option casts: -

1590 -

1591 \table -

1592 \header \li Contents Type \li QStyleOption Subclass -

1593 \row \li \l CT_CheckBox \li \l QStyleOptionButton -

1594 \row \li \l CT_ComboBox \li \l QStyleOptionComboBox -

1595 \row \li \l CT_GroupBox \li \l QStyleOptionGroupBox -

1596 \row \li \l CT_HeaderSection \li \l QStyleOptionHeader -

1597 \row \li \l CT_ItemViewItem \li \l QStyleOptionViewItem -

1598 \row \li \l CT_LineEdit \li \l QStyleOptionFrame -

1599 \row \li \l CT_MdiControls \li \l QStyleOptionComplex -

1600 \row \li \l CT_Menu \li \l QStyleOption -

1601 \row \li \l CT_MenuItem \li \l QStyleOptionMenuItem -

1602 \row \li \l CT_MenuBar \li \l QStyleOptionMenuItem -

1603 \row \li \l CT_MenuBarItem \li \l QStyleOptionMenuItem -

1604 \row \li \l CT_ProgressBar \li \l QStyleOptionProgressBar -

1605 \row \li \l CT_PushButton \li \l QStyleOptionButton -

1606 \row \li \l CT_RadioButton \li \l QStyleOptionButton -

1607 \row \li \l CT_ScrollBar \li \l QStyleOptionSlider -

1608 \row \li \l CT_SizeGrip \li \l QStyleOption -

1609 \row \li \l CT_Slider \li \l QStyleOptionSlider -

1610 \row \li \l CT_SpinBox \li \l QStyleOptionSpinBox -

1611 \row \li \l CT_Splitter \li \l QStyleOption -

1612 \row \li \l CT_TabBarTab \li \l QStyleOptionTab -

1613 \row \li \l CT_TabWidget \li \l QStyleOptionTabWidgetFrame -

1614 \row \li \l CT_ToolButton \li \l QStyleOptionToolButton -

1615 \endtable -

1616 -

1617 \sa ContentsType, QStyleOption -

1618 */ -

1619 -

1620 /*! -

1621 \enum QStyle::RequestSoftwareInputPanel -

1622 -

1623 This enum describes under what circumstances a software input panel will be -

1624 requested by input capable widgets. -

1625 -

1626 \value RSIP_OnMouseClickAndAlreadyFocused Requests an input panel if the user -

1627 clicks on the widget, but only if it is already focused. -

1628 \value RSIP_OnMouseClick Requests an input panel if the user clicks on the -

1629 widget. -

1630 -

1631 \sa QInputMethod -

1632 */ -

1633 -

1634 /*! -

1635 \enum QStyle::StyleHint -

1636 -

1637 This enum describes the available style hints. A style hint is a general look -

1638 and/or feel hint. -

1639 -

1640 \value SH_EtchDisabledText Disabled text is "etched" as it is on Windows. -

1641 -

1642 \value SH_DitherDisabledText Disabled text is dithered as it is on Motif. -

1643 -

1644 \value SH_ScrollBar_ContextMenu Whether or not a scroll bar has a context menu. -

1645 -

1646 \value SH_ScrollBar_MiddleClickAbsolutePosition A boolean value. -

1647 If true, middle clicking on a scroll bar causes the slider to -

1648 jump to that position. If false, middle clicking is -

1649 ignored. -

1650 -

1651 \value SH_ScrollBar_LeftClickAbsolutePosition A boolean value. -

1652 If true, left clicking on a scroll bar causes the slider to -

1653 jump to that position. If false, left clicking will -

1654 behave as appropriate for each control. -

1655 -

1656 \value SH_ScrollBar_ScrollWhenPointerLeavesControl A boolean -

1657 value. If true, when clicking a scroll bar SubControl, holding -

1658 the mouse button down and moving the pointer outside the -

1659 SubControl, the scroll bar continues to scroll. If false, the -

1660 scollbar stops scrolling when the pointer leaves the -

1661 SubControl. -

1662 -

1663 \value SH_ScrollBar_RollBetweenButtons A boolean value. -

1664 If true, when clicking a scroll bar button (SC_ScrollBarAddLine or -

1665 SC_ScrollBarSubLine) and dragging over to the opposite button (rolling) -

1666 will press the new button and release the old one. When it is false, the -

1667 original button is released and nothing happens (like a push button). -

1668 -

1669 \value SH_TabBar_Alignment The alignment for tabs in a -

1670 QTabWidget. Possible values are Qt::AlignLeft, -

1671 Qt::AlignCenter and Qt::AlignRight. -

1672 -

1673 \value SH_Header_ArrowAlignment The placement of the sorting -

1674 indicator may appear in list or table headers. Possible values -

1675 are Qt::Alignment values (that is, an OR combination of -

1676 Qt::AlignmentFlag flags). -

1677 -

1678 \value SH_Slider_SnapToValue Sliders snap to values while moving, -

1679 as they do on Windows. -

1680 -

1681 \value SH_Slider_SloppyKeyEvents Key presses handled in a sloppy -

1682 manner, i.e., left on a vertical slider subtracts a line. -

1683 -

1684 \value SH_ProgressDialog_CenterCancelButton Center button on -

1685 progress dialogs, otherwise right aligned. -

1686 -

1687 \value SH_ProgressDialog_TextLabelAlignment The alignment for text -

1688 labels in progress dialogs; Qt::AlignCenter on Windows, -

1689 Qt::AlignVCenter otherwise. -

1690 -

1691 \value SH_PrintDialog_RightAlignButtons Right align buttons in -

1692 the print dialog, as done on Windows. -

1693 -

1694 \value SH_MainWindow_SpaceBelowMenuBar One or two pixel space between -

1695 the menu bar and the dockarea, as done on Windows. -

1696 -

1697 \value SH_FontDialog_SelectAssociatedText Select the text in the -

1698 line edit, or when selecting an item from the listbox, or when -

1699 the line edit receives focus, as done on Windows. -

1700 -

1701 \value SH_Menu_KeyboardSearch Typing causes a menu to be search -

1702 for relevant items, otherwise only mnemnonic is considered. -

1703 -

1704 \value SH_Menu_AllowActiveAndDisabled Allows disabled menu -

1705 items to be active. -

1706 -

1707 \value SH_Menu_SpaceActivatesItem Pressing the space bar activates -

1708 the item, as done on Motif. -

1709 -

1710 \value SH_Menu_SubMenuPopupDelay The number of milliseconds -

1711 to wait before opening a submenu (256 on Windows, 96 on Motif). -

1712 -

1713 \value SH_Menu_Scrollable Whether popup menus must support scrolling. -

1714 -

1715 \value SH_Menu_SloppySubMenus Whether popup menus must support -

1716 the user moving the mouse cursor to a submenu while crossing -

1717 other items of the menu. This is supported on most modern -

1718 desktop platforms. -

1719 -

1720 \value SH_Menu_SubMenuUniDirection Since Qt 5.5. If the cursor has -

1721 to move towards the submenu (like it is on \macos), or if the -

1722 cursor can move in any direction as long as it reaches the -

1723 submenu before the sloppy timeout. -

1724 -

1725 \value SH_Menu_SubMenuUniDirectionFailCount Since Qt 5.5. When -

1726 SH_Menu_SubMenuUniDirection is defined this enum defines the -

1727 number of failed mouse moves before the sloppy submenu is -

1728 discarded. This can be used to control the "strictness" of the -

1729 uni direction algorithm. -

1730 -

1731 \value SH_Menu_SubMenuSloppySelectOtherActions Since Qt 5.5. Should -

1732 other action items be selected when the mouse moves towards a -

1733 sloppy submenu. -

1734 -

1735 \value SH_Menu_SubMenuSloppyCloseTimeout Since Qt 5.5. The timeout -

1736 used to close sloppy submenus. -

1737 -

1738 \value SH_Menu_SubMenuResetWhenReenteringParent Since Qt 5.5. When -

1739 entering parent from child submenu, should the sloppy state be -

1740 reset, effectively closing the child and making the current -

1741 submenu active. -

1742 -

1743 \value SH_Menu_SubMenuDontStartSloppyOnLeave Since Qt 5.5. Do not -

1744 start sloppy timers when the mouse leaves a sub-menu. -

1745 -

1746 \value SH_ScrollView_FrameOnlyAroundContents Whether scrollviews -

1747 draw their frame only around contents (like Motif), or around -

1748 contents, scroll bars and corner widgets (like Windows). -

1749 -

1750 \value SH_MenuBar_AltKeyNavigation Menu bars items are navigable -

1751 by pressing Alt, followed by using the arrow keys to select -

1752 the desired item. -

1753 -

1754 \value SH_ComboBox_ListMouseTracking Mouse tracking in combobox -

1755 drop-down lists. -

1756 -

1757 \value SH_Menu_MouseTracking Mouse tracking in popup menus. -

1758 -

1759 \value SH_MenuBar_MouseTracking Mouse tracking in menu bars. -

1760 -

1761 \value SH_Menu_FillScreenWithScroll Whether scrolling popups -

1762 should fill the screen as they are scrolled. -

1763 -

1764 \value SH_Menu_SelectionWrap Whether popups should allow the selections -

1765 to wrap, that is when selection should the next item be the first item. -

1766 -

1767 \value SH_ItemView_ChangeHighlightOnFocus Gray out selected items -

1768 when losing focus. -

1769 -

1770 \value SH_Widget_ShareActivation Turn on sharing activation with -

1771 floating modeless dialogs. -

1772 -

1773 \value SH_TabBar_SelectMouseType Which type of mouse event should -

1774 cause a tab to be selected. -

1775 -

1776 \value SH_ListViewExpand_SelectMouseType Which type of mouse event should -

1777 cause a list view expansion to be selected. -

1778 -

1779 \value SH_TabBar_PreferNoArrows Whether a tab bar should suggest a size -

1780 to prevent scoll arrows. -

1781 -

1782 \value SH_ComboBox_Popup Allows popups as a combobox drop-down -

1783 menu. -

1784 -

1785 \omitvalue SH_ComboBox_UseNativePopup -

1786 -

1787 \value SH_Workspace_FillSpaceOnMaximize The workspace should -

1788 maximize the client area. -

1789 -

1790 \value SH_TitleBar_NoBorder The title bar has no border. -

1791 -

1792 \value SH_ScrollBar_StopMouseOverSlider Obsolete. Use -

1793 SH_Slider_StopMouseOverSlider instead. -

1794 -

1795 \value SH_Slider_StopMouseOverSlider Stops auto-repeat when -

1796 the slider reaches the mouse position. -

1797 -

1798 \value SH_BlinkCursorWhenTextSelected Whether cursor should blink -

1799 when text is selected. -

1800 -

1801 \value SH_RichText_FullWidthSelection Whether richtext selections -

1802 should extend to the full width of the document. -

1803 -

1804 \value SH_GroupBox_TextLabelVerticalAlignment How to vertically align a -

1805 group box's text label. -

1806 -

1807 \value SH_GroupBox_TextLabelColor How to paint a group box's text label. -

1808 -

1809 \value SH_DialogButtons_DefaultButton Which button gets the -

1810 default status in a dialog's button widget. -

1811 -

1812 \value SH_ToolBox_SelectedPageTitleBold Boldness of the selected -

1813 page title in a QToolBox. -

1814 -

1815 \value SH_LineEdit_PasswordCharacter The Unicode character to be -

1816 used for passwords. -

1817 -

1818 \value SH_LineEdit_PasswordMaskDelay Determines the delay before visible character is masked -

1819 with password character, in milliseconds. This enum value was added in Qt 5.4. -

1820 -

1821 \value SH_Table_GridLineColor The RGB value of the grid for a table. -

1822 -

1823 \value SH_UnderlineShortcut Whether shortcuts are underlined. -

1824 -

1825 \value SH_SpellCheckUnderlineStyle A -

1826 QTextCharFormat::UnderlineStyle value that specifies the way -

1827 misspelled words should be underlined. -

1828 -

1829 \value SH_SpinBox_AnimateButton Animate a click when up or down is -

1830 pressed in a spin box. -

1831 \value SH_SpinBox_KeyPressAutoRepeatRate Auto-repeat interval for -

1832 spinbox key presses. -

1833 \value SH_SpinBox_ClickAutoRepeatRate Auto-repeat interval for -

1834 spinbox mouse clicks. -

1835 \value SH_SpinBox_ClickAutoRepeatThreshold Auto-repeat threshold for -

1836 spinbox mouse clicks. -

1837 \value SH_ToolTipLabel_Opacity An integer indicating the opacity for -

1838 the tip label, 0 is completely transparent, 255 is completely -

1839 opaque. -

1840 \value SH_DrawMenuBarSeparator Indicates whether or not the menu bar draws separators. -

1841 \value SH_TitleBar_ModifyNotification Indicates if the title bar should show -

1842 a '*' for windows that are modified. -

1843 -

1844 \value SH_Button_FocusPolicy The default focus policy for buttons. -

1845 -

1846 \value SH_CustomBase Base value for custom style hints. -

1847 Custom values must be greater than this value. -

1848 -

1849 \value SH_MessageBox_UseBorderForButtonSpacing A boolean indicating what the to -

1850 use the border of the buttons (computed as half the button height) for the spacing -

1851 of the button in a message box. -

1852 -

1853 \value SH_MessageBox_CenterButtons A boolean indicating whether the buttons in the -

1854 message box should be centered or not (see QDialogButtonBox::setCentered()). -

1855 -

1856 \value SH_MessageBox_TextInteractionFlags A boolean indicating if -

1857 the text in a message box should allow user interfactions (e.g. -

1858 selection) or not. -

1859 -

1860 \value SH_TitleBar_AutoRaise A boolean indicating whether -

1861 controls on a title bar ought to update when the mouse is over them. -

1862 -

1863 \value SH_ToolButton_PopupDelay An int indicating the popup delay in milliseconds -

1864 for menus attached to tool buttons. -

1865 -

1866 \value SH_FocusFrame_Mask The mask of the focus frame. -

1867 -

1868 \value SH_RubberBand_Mask The mask of the rubber band. -

1869 -

1870 \value SH_WindowFrame_Mask The mask of the window frame. -

1871 -

1872 \value SH_SpinControls_DisableOnBounds Determines if the spin controls will shown -

1873 as disabled when reaching the spin range boundary. -

1874 -

1875 \value SH_Dial_BackgroundRole Defines the style's preferred -

1876 background role (as QPalette::ColorRole) for a dial widget. -

1877 -

1878 \value SH_ComboBox_LayoutDirection The layout direction for the -

1879 combo box. By default it should be the same as indicated by the -

1880 QStyleOption::direction variable. -

1881 -

1882 \value SH_ItemView_EllipsisLocation The location where ellipses should be -

1883 added for item text that is too long to fit in an view item. -

1884 -

1885 \value SH_ItemView_ShowDecorationSelected When an item in an item -

1886 view is selected, also highlight the branch or other decoration. -

1887 -

1888 \value SH_ItemView_ActivateItemOnSingleClick Emit the activated signal -

1889 when the user single clicks on an item in an item in an item view. -

1890 Otherwise the signal is emitted when the user double clicks on an item. -

1891 -

1892 \value SH_Slider_AbsoluteSetButtons Which mouse buttons cause a slider -

1893 to set the value to the position clicked on. -

1894 -

1895 \value SH_Slider_PageSetButtons Which mouse buttons cause a slider -

1896 to page step the value. -

1897 -

1898 \value SH_TabBar_ElideMode The default eliding style for a tab bar. -

1899 -

1900 \value SH_DialogButtonLayout Controls how buttons are laid out in a QDialogButtonBox, returns a QDialogButtonBox::ButtonLayout enum. -

1901 -

1902 \value SH_WizardStyle Controls the look and feel of a QWizard. Returns a QWizard::WizardStyle enum. -

1903 -

1904 \value SH_FormLayoutWrapPolicy Provides a default for how rows are wrapped in a QFormLayout. Returns a QFormLayout::RowWrapPolicy enum. -

1905 \value SH_FormLayoutFieldGrowthPolicy Provides a default for how fields can grow in a QFormLayout. Returns a QFormLayout::FieldGrowthPolicy enum. -

1906 \value SH_FormLayoutFormAlignment Provides a default for how a QFormLayout aligns its contents within the available space. Returns a Qt::Alignment enum. -

1907 \value SH_FormLayoutLabelAlignment Provides a default for how a QFormLayout aligns labels within the available space. Returns a Qt::Alignment enum. -

1908 -

1909 \value SH_ItemView_ArrowKeysNavigateIntoChildren Controls whether the tree view will select the first child when it is exapanded and the right arrow key is pressed. -

1910 \value SH_ComboBox_PopupFrameStyle The frame style used when drawing a combobox popup menu. -

1911 -

1912 \value SH_DialogButtonBox_ButtonsHaveIcons Indicates whether or not StandardButtons in QDialogButtonBox should have icons or not. -

1913 \value SH_ItemView_MovementWithoutUpdatingSelection The item view is able to indicate a current item without changing the selection. -

1914 \value SH_ToolTip_Mask The mask of a tool tip. -

1915 -

1916 \value SH_FocusFrame_AboveWidget The FocusFrame is stacked above the widget that it is "focusing on". -

1917 -

1918 \value SH_TextControl_FocusIndicatorTextCharFormat Specifies the text format used to highlight focused anchors in rich text -

1919 documents displayed for example in QTextBrowser. The format has to be a QTextCharFormat returned in the variant of the -

1920 QStyleHintReturnVariant return value. The QTextFormat::OutlinePen property is used for the outline and QTextFormat::BackgroundBrush -

1921 for the background of the highlighted area. -

1922 -

1923 \value SH_Menu_FlashTriggeredItem Flash triggered item. -

1924 \value SH_Menu_FadeOutOnHide Fade out the menu instead of hiding it immediately. -

1925 -

1926 \value SH_TabWidget_DefaultTabPosition Default position of the tab bar in a tab widget. -

1927 -

1928 \value SH_ToolBar_Movable Determines if the tool bar is movable by default. -

1929 -

1930 \value SH_ItemView_PaintAlternatingRowColorsForEmptyArea Whether QTreeView paints alternating row colors for the area that does not have any items. -

1931 -

1932 \value SH_Menu_Mask The mask for a popup menu. -

1933 -

1934 \value SH_ItemView_DrawDelegateFrame Determines if there should be a frame for a delegate widget. -

1935 -

1936 \value SH_TabBar_CloseButtonPosition Determines the position of the close button on a tab in a tab bar. -

1937 -

1938 \value SH_DockWidget_ButtonsHaveFrame Determines if dockwidget buttons should have frames. Default is true. -

1939 -

1940 \value SH_ToolButtonStyle Determines the default system style for tool buttons that uses Qt::ToolButtonFollowStyle. -

1941 -

1942 \value SH_RequestSoftwareInputPanel Determines when a software input panel should -

1943 be requested by input widgets. Returns an enum of type QStyle::RequestSoftwareInputPanel. -

1944 -

1945 \value SH_ScrollBar_Transient Determines if the style supports transient scroll bars. Transient -

1946 scroll bars appear when the content is scrolled and disappear when they are no longer needed. -

1947 -

1948 \value SH_Menu_SupportsSections Determines if the style displays sections in menus or treat them as -

1949 plain separators. Sections are separators with a text and icon hint. -

1950 -

1951 \value SH_ToolTip_WakeUpDelay Determines the delay before a tooltip is shown, in milliseconds. -

1952 -

1953 \value SH_ToolTip_FallAsleepDelay Determines the delay (in milliseconds) before a new wake time is needed when -

1954 a tooltip is shown (notice: shown, not hidden). When a new wake isn't needed, a user-requested tooltip -

1955 will be shown nearly instantly. -

1956 -

1957 \value SH_Widget_Animate Determines if the widget should show animations or not, for example -

1958 a transition between checked and unchecked statuses in a checkbox. -

1959 This enum value has been introduced in Qt 5.2. -

1960 -

1961 \value SH_Splitter_OpaqueResize Determines if resizing is opaque -

1962 This enum value has been introduced in Qt 5.2 -

1963 -

1964 \value SH_TabBar_ChangeCurrentDelay Determines the delay before the current -

1965 tab is changed while dragging over the tabbar, in milliseconds. This -

1966 enum value has been introduced in Qt 5.4 -

1967 -

1968 \sa styleHint() -

1969 */ -

1970 -

1971 /*! -

1972 \fn int QStyle::styleHint(StyleHint hint, const QStyleOption *option, \ -

1973 const QWidget *widget, QStyleHintReturn *returnData) const -

1974 -

1975 Returns an integer representing the specified style \a hint for -

1976 the given \a widget described by the provided style \a option. -

1977 -

1978 \a returnData is used when the querying widget needs more detailed data than -

1979 the integer that styleHint() returns. See the QStyleHintReturn class -

1980 description for details. -

1981 */ -

1982 -

1983 /*! -

1984 \enum QStyle::StandardPixmap -

1985 -

1986 This enum describes the available standard pixmaps. A standard pixmap is a pixmap that -

1987 can follow some existing GUI style or guideline. -

1988 -

1989 \value SP_TitleBarMinButton Minimize button on title bars (e.g., -

1990 in QMdiSubWindow). -

1991 \value SP_TitleBarMenuButton Menu button on a title bar. -

1992 \value SP_TitleBarMaxButton Maximize button on title bars. -

1993 \value SP_TitleBarCloseButton Close button on title bars. -

1994 \value SP_TitleBarNormalButton Normal (restore) button on title bars. -

1995 \value SP_TitleBarShadeButton Shade button on title bars. -

1996 \value SP_TitleBarUnshadeButton Unshade button on title bars. -

1997 \value SP_TitleBarContextHelpButton The Context help button on title bars. -

1998 \value SP_MessageBoxInformation The "information" icon. -

1999 \value SP_MessageBoxWarning The "warning" icon. -

2000 \value SP_MessageBoxCritical The "critical" icon. -

2001 \value SP_MessageBoxQuestion The "question" icon. -

2002 \value SP_DesktopIcon The "desktop" icon. -

2003 \value SP_TrashIcon The "trash" icon. -

2004 \value SP_ComputerIcon The "My computer" icon. -

2005 \value SP_DriveFDIcon The floppy icon. -

2006 \value SP_DriveHDIcon The harddrive icon. -

2007 \value SP_DriveCDIcon The CD icon. -

2008 \value SP_DriveDVDIcon The DVD icon. -

2009 \value SP_DriveNetIcon The network icon. -

2010 \value SP_DirHomeIcon The home directory icon. -

2011 \value SP_DirOpenIcon The open directory icon. -

2012 \value SP_DirClosedIcon The closed directory icon. -

2013 \value SP_DirIcon The directory icon. -

2014 \value SP_DirLinkIcon The link to directory icon. -

2015 \value SP_DirLinkOpenIcon The link to open directory icon. -

2016 \value SP_FileIcon The file icon. -

2017 \value SP_FileLinkIcon The link to file icon. -

2018 \value SP_FileDialogStart The "start" icon in a file dialog. -

2019 \value SP_FileDialogEnd The "end" icon in a file dialog. -

2020 \value SP_FileDialogToParent The "parent directory" icon in a file dialog. -

2021 \value SP_FileDialogNewFolder The "create new folder" icon in a file dialog. -

2022 \value SP_FileDialogDetailedView The detailed view icon in a file dialog. -

2023 \value SP_FileDialogInfoView The file info icon in a file dialog. -

2024 \value SP_FileDialogContentsView The contents view icon in a file dialog. -

2025 \value SP_FileDialogListView The list view icon in a file dialog. -

2026 \value SP_FileDialogBack The back arrow in a file dialog. -

2027 \value SP_DockWidgetCloseButton Close button on dock windows (see also QDockWidget). -

2028 \value SP_ToolBarHorizontalExtensionButton Extension button for horizontal toolbars. -

2029 \value SP_ToolBarVerticalExtensionButton Extension button for vertical toolbars. -

2030 \value SP_DialogOkButton Icon for a standard OK button in a QDialogButtonBox. -

2031 \value SP_DialogCancelButton Icon for a standard Cancel button in a QDialogButtonBox. -

2032 \value SP_DialogHelpButton Icon for a standard Help button in a QDialogButtonBox. -

2033 \value SP_DialogOpenButton Icon for a standard Open button in a QDialogButtonBox. -

2034 \value SP_DialogSaveButton Icon for a standard Save button in a QDialogButtonBox. -

2035 \value SP_DialogCloseButton Icon for a standard Close button in a QDialogButtonBox. -

2036 \value SP_DialogApplyButton Icon for a standard Apply button in a QDialogButtonBox. -

2037 \value SP_DialogResetButton Icon for a standard Reset button in a QDialogButtonBox. -

2038 \value SP_DialogDiscardButton Icon for a standard Discard button in a QDialogButtonBox. -

2039 \value SP_DialogYesButton Icon for a standard Yes button in a QDialogButtonBox. -

2040 \value SP_DialogNoButton Icon for a standard No button in a QDialogButtonBox. -

2041 \value SP_ArrowUp Icon arrow pointing up. -

2042 \value SP_ArrowDown Icon arrow pointing down. -

2043 \value SP_ArrowLeft Icon arrow pointing left. -

2044 \value SP_ArrowRight Icon arrow pointing right. -

2045 \value SP_ArrowBack Equivalent to SP_ArrowLeft when the current layout direction is Qt::LeftToRight, otherwise SP_ArrowRight. -

2046 \value SP_ArrowForward Equivalent to SP_ArrowRight when the current layout direction is Qt::LeftToRight, otherwise SP_ArrowLeft. -

2047 \value SP_CommandLink Icon used to indicate a Vista style command link glyph. -

2048 \value SP_VistaShield Icon used to indicate UAC prompts on Windows Vista. This will return a null pixmap or icon on all other platforms. -

2049 \value SP_BrowserReload Icon indicating that the current page should be reloaded. -

2050 \value SP_BrowserStop Icon indicating that the page loading should stop. -

2051 \value SP_MediaPlay Icon indicating that media should begin playback. -

2052 \value SP_MediaStop Icon indicating that media should stop playback. -

2053 \value SP_MediaPause Icon indicating that media should pause playback. -

2054 \value SP_MediaSkipForward Icon indicating that media should skip forward. -

2055 \value SP_MediaSkipBackward Icon indicating that media should skip backward. -

2056 \value SP_MediaSeekForward Icon indicating that media should seek forward. -

2057 \value SP_MediaSeekBackward Icon indicating that media should seek backward. -

2058 \value SP_MediaVolume Icon indicating a volume control. -

2059 \value SP_MediaVolumeMuted Icon indicating a muted volume control. -

2060 \value SP_LineEditClearButton Icon for a standard clear button in a QLineEdit. This enum value was added in Qt 5.2. -

2061 \value SP_CustomBase Base value for custom standard pixmaps; -

2062 custom values must be greater than this value. -

2063 -

2064 \sa standardIcon() -

2065 */ -

2066 -

2067 /*! -

2068 \fn QPixmap QStyle::generatedIconPixmap(QIcon::Mode iconMode, -

2069 const QPixmap &pixmap, const QStyleOption *option) const -

2070 -

2071 Returns a copy of the given \a pixmap, styled to conform to the -

2072 specified \a iconMode and taking into account the palette -

2073 specified by \a option. -

2074 -

2075 The \a option parameter can pass extra information, but -

2076 it must contain a palette. -

2077 -

2078 Note that not all pixmaps will conform, in which case the returned -

2079 pixmap is a plain copy. -

2080 -

2081 \sa QIcon -

2082 */ -

2083 -

2084 /*! -

2085 \fn QPixmap QStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option, \ -

2086 const QWidget *widget) const -

2087 -

2088 \obsolete -

2089 Returns a pixmap for the given \a standardPixmap. -

2090 -

2091 A standard pixmap is a pixmap that can follow some existing GUI -

2092 style or guideline. The \a option argument can be used to pass -

2093 extra information required when defining the appropriate -

2094 pixmap. The \a widget argument is optional and can also be used to -

2095 aid the determination of the pixmap. -

2096 -

2097 Developers calling standardPixmap() should instead call standardIcon() -

2098 Developers who re-implemented standardPixmap() should instead re-implement -

2099 standardIcon(). -

2100 -

2101 \sa standardIcon() -

2102 */ -

2103 -

2104 -

2105 /*! -

2106 \fn QRect QStyle::visualRect(Qt::LayoutDirection direction, const QRect &boundingRectangle, const QRect &logicalRectangle) -

2107 -

2108 Returns the given \a logicalRectangle converted to screen -

2109 coordinates based on the specified \a direction. The \a -

2110 boundingRectangle is used when performing the translation. -

2111 -

2112 This function is provided to support right-to-left desktops, and -

2113 is typically used in implementations of the subControlRect() -

2114 function. -

2115 -

2116 \sa QWidget::layoutDirection -

2117 */ -

2118 QRect QStyle::visualRect(Qt::LayoutDirection direction, const QRect &boundingRect, const QRect &logicalRect) -

2119 { -

2120

if (direction == Qt::LeftToRight)

direction == Qt::LeftToRight	Description
TRUE	never evaluated
FALSE	never evaluated

2121

return logicalRect;

never executed: return logicalRect;

2122 QRect rect = logicalRect; -

2123 rect.translate(2 * (boundingRect.right() - logicalRect.right()) + -

2124 logicalRect.width() - boundingRect.width(), 0); -

2125

return rect;

never executed: return rect;

2126 } -

2127 -

2128 /*! -

2129 \fn QPoint QStyle::visualPos(Qt::LayoutDirection direction, const QRect &boundingRectangle, const QPoint &logicalPosition) -

2130 -

2131 Returns the given \a logicalPosition converted to screen -

2132 coordinates based on the specified \a direction. The \a -

2133 boundingRectangle is used when performing the translation. -

2134 -

2135 \sa QWidget::layoutDirection -

2136 */ -

2137 QPoint QStyle::visualPos(Qt::LayoutDirection direction, const QRect &boundingRect, const QPoint &logicalPos) -

2138 { -

2139

if (direction == Qt::LeftToRight)

direction == Qt::LeftToRight	Description
TRUE	never evaluated
FALSE	never evaluated

2140

return logicalPos;

never executed: return logicalPos;

2141

return QPoint(boundingRect.right() - logicalPos.x(), logicalPos.y());

never executed: return QPoint(boundingRect.right() - logicalPos.x(), logicalPos.y());

2142 } -

2143 -

2144 /*! -

2145 Returns a new rectangle of the specified \a size that is aligned to the given \a -

2146 rectangle according to the specified \a alignment and \a direction. -

2147 */ -

2148 QRect QStyle::alignedRect(Qt::LayoutDirection direction, Qt::Alignment alignment, const QSize &size, const QRect &rectangle) -

2149 { -

2150 alignment = visualAlignment(direction, alignment); -

2151 int x = rectangle.x(); -

2152 int y = rectangle.y(); -

2153 int w = size.width(); -

2154 int h = size.height(); -

2155

if ((alignment & Qt::AlignVCenter) == Qt::AlignVCenter)

(alignment & Q...::AlignVCenter	Description
TRUE	never evaluated
FALSE	never evaluated

2156

y += rectangle.size().height()/2 - h/2;

never executed: y += rectangle.size().height()/2 - h/2;

2157

else if ((alignment & Qt::AlignBottom) == Qt::AlignBottom)

(alignment & Q...t::AlignBottom	Description
TRUE	never evaluated
FALSE	never evaluated

2158

y += rectangle.size().height() - h;

never executed: y += rectangle.size().height() - h;

2159

if ((alignment & Qt::AlignRight) == Qt::AlignRight)

(alignment & Q...Qt::AlignRight	Description
TRUE	never evaluated
FALSE	never evaluated

2160

x += rectangle.size().width() - w;

never executed: x += rectangle.size().width() - w;

2161

else if ((alignment & Qt::AlignHCenter) == Qt::AlignHCenter)

(alignment & Q...::AlignHCenter	Description
TRUE	never evaluated
FALSE	never evaluated

2162

x += rectangle.size().width()/2 - w/2;

never executed: x += rectangle.size().width()/2 - w/2;

2163

return QRect(x, y, w, h);

never executed: return QRect(x, y, w, h);

2164 } -

2165 -

2166 /*! -

2167 Transforms an \a alignment of Qt::AlignLeft or Qt::AlignRight -

2168 without Qt::AlignAbsolute into Qt::AlignLeft or Qt::AlignRight with -

2169 Qt::AlignAbsolute according to the layout \a direction. The other -

2170 alignment flags are left untouched. -

2171 -

2172 If no horizontal alignment was specified, the function returns the -

2173 default alignment for the given layout \a direction. -

2174 -

2175 QWidget::layoutDirection -

2176 */ -

2177 Qt::Alignment QStyle::visualAlignment(Qt::LayoutDirection direction, Qt::Alignment alignment) -

2178 { -

2179

return QGuiApplicationPrivate::visualAlignment(direction, alignment);

never executed: return QGuiApplicationPrivate::visualAlignment(direction, alignment);

2180 } -

2181 -

2182 /*! -

2183 Converts the given \a logicalValue to a pixel position. The \a min -

2184 parameter maps to 0, \a max maps to \a span and other values are -

2185 distributed evenly in-between. -

2186 -

2187 This function can handle the entire integer range without -

2188 overflow, providing that \a span is less than 4096. -

2189 -

2190 By default, this function assumes that the maximum value is on the -

2191 right for horizontal items and on the bottom for vertical items. -

2192 Set the \a upsideDown parameter to true to reverse this behavior. -

2193 -

2194 \sa sliderValueFromPosition() -

2195 */ -

2196 -

2197 int QStyle::sliderPositionFromValue(int min, int max, int logicalValue, int span, bool upsideDown) -

2198 { -

2199

if (span <= 0 || logicalValue < min || max <= min)

span <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

logicalValue < min	Description
TRUE	never evaluated
FALSE	never evaluated

max <= min	Description
TRUE	never evaluated
FALSE	never evaluated

2200

return 0;

never executed: return 0;

2201

if (logicalValue > max)

logicalValue > max	Description
TRUE	never evaluated
FALSE	never evaluated

2202

return upsideDown ? span : min;

never executed: return upsideDown ? span : min;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2203 -

2204 uint range = max - min; -

2205

uint p = upsideDown ? max - logicalValue : logicalValue - min;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2206 -

2207

if (range > (uint)INT_MAX/4096) {

range > (uint)2147483647/4096	Description
TRUE	never evaluated
FALSE	never evaluated

2208 double dpos = (double(p))/(double(range)/span); -

2209

return int(dpos);

never executed: return int(dpos);

2210

} else if (range > (uint)span) {

range > (uint)span	Description
TRUE	never evaluated
FALSE	never evaluated

2211

return (2 * p * span + range) / (2*range);

never executed: return (2 * p * span + range) / (2*range);

2212 } else { -

2213 uint div = span / range; -

2214 uint mod = span % range; -

2215

return p * div + (2 * p * mod + range) / (2 * range);

never executed: return p * div + (2 * p * mod + range) / (2 * range);

2216 } -

2217 // equiv. to (p * span) / range + 0.5 -

2218 // no overflow because of this implicit assumption: -

2219 // span <= 4096 -

2220 } -

2221 -

2222 /*! -

2223 \fn int QStyle::sliderValueFromPosition(int min, int max, int position, int span, bool upsideDown) -

2224 -

2225 Converts the given pixel \a position to a logical value. 0 maps to -

2226 the \a min parameter, \a span maps to \a max and other values are -

2227 distributed evenly in-between. -

2228 -

2229 This function can handle the entire integer range without -

2230 overflow. -

2231 -

2232 By default, this function assumes that the maximum value is on the -

2233 right for horizontal items and on the bottom for vertical -

2234 items. Set the \a upsideDown parameter to true to reverse this -

2235 behavior. -

2236 -

2237 \sa sliderPositionFromValue() -

2238 */ -

2239 -

2240 int QStyle::sliderValueFromPosition(int min, int max, int pos, int span, bool upsideDown) -

2241 { -

2242

if (span <= 0 || pos <= 0)

span <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

pos <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

2243

return upsideDown ? max : min;

never executed: return upsideDown ? max : min;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2244

if (pos >= span)

pos >= span	Description
TRUE	never evaluated
FALSE	never evaluated

2245

return upsideDown ? min : max;

never executed: return upsideDown ? min : max;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2246 -

2247 uint range = max - min; -

2248 -

2249

if ((uint)span > range) {

(uint)span > range	Description
TRUE	never evaluated
FALSE	never evaluated

2250 int tmp = (2 * pos * range + span) / (2 * span); -

2251

return upsideDown ? max - tmp : tmp + min;

never executed: return upsideDown ? max - tmp : tmp + min;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2252 } else { -

2253 uint div = range / span; -

2254 uint mod = range % span; -

2255 int tmp = pos * div + (2 * pos * mod + span) / (2 * span); -

2256

return upsideDown ? max - tmp : tmp + min;

never executed: return upsideDown ? max - tmp : tmp + min;

upsideDown	Description
TRUE	never evaluated
FALSE	never evaluated

2257 } -

2258 // equiv. to min + (pos*range)/span + 0.5 -

2259 // no overflow because of this implicit assumption: -

2260 // pos <= span < sqrt(INT_MAX+0.0625)+0.25 ~ sqrt(INT_MAX) -

2261 } -

2262 -

2263 /*! -

2264 Returns the style's standard palette. -

2265 -

2266 Note that on systems that support system colors, the style's -

2267 standard palette is not used. In particular, the Windows XP, -

2268 Vista, and Mac styles do not use the standard palette, but make -

2269 use of native theme engines. With these styles, you should not set -

2270 the palette with QApplication::setPalette(). -

2271 -

2272 \sa QApplication::setPalette() -

2273 */ -

2274 QPalette QStyle::standardPalette() const -

2275 { -

2276 QColor background = QColor(0xd4, 0xd0, 0xc8); // win 2000 grey -

2277 -

2278 QColor light(background.lighter()); -

2279 QColor dark(background.darker()); -

2280 QColor mid(Qt::gray); -

2281 QPalette palette(Qt::black, background, light, dark, mid, Qt::black, Qt::white); -

2282 palette.setBrush(QPalette::Disabled, QPalette::WindowText, dark); -

2283 palette.setBrush(QPalette::Disabled, QPalette::Text, dark); -

2284 palette.setBrush(QPalette::Disabled, QPalette::ButtonText, dark); -

2285 palette.setBrush(QPalette::Disabled, QPalette::Base, background); -

2286

return palette;

never executed: return palette;

2287 } -

2288 -

2289 /*! -

2290 \since 4.1 -

2291 -

2292 \fn QIcon QStyle::standardIcon(StandardPixmap standardIcon, const QStyleOption *option = 0, -

2293 const QWidget *widget = 0) const = 0; -

2294 -

2295 Returns an icon for the given \a standardIcon. -

2296 -

2297 The \a standardIcon is a standard pixmap which can follow some -

2298 existing GUI style or guideline. The \a option argument can be -

2299 used to pass extra information required when defining the -

2300 appropriate icon. The \a widget argument is optional and can also -

2301 be used to aid the determination of the icon. -

2302 */ -

2303 -

2304 /*! -

2305 \since 4.3 -

2306 -

2307 \fn int QStyle::layoutSpacing(QSizePolicy::ControlType control1, -

2308 QSizePolicy::ControlType control2, Qt::Orientation orientation, -

2309 const QStyleOption *option = 0, const QWidget *widget = 0) const -

2310 -

2311 Returns the spacing that should be used between \a control1 and -

2312 \a control2 in a layout. \a orientation specifies whether the -

2313 controls are laid out side by side or stacked vertically. The \a -

2314 option parameter can be used to pass extra information about the -

2315 parent widget. The \a widget parameter is optional and can also -

2316 be used if \a option is 0. -

2317 -

2318 This function is called by the layout system. It is used only if -

2319 PM_LayoutHorizontalSpacing or PM_LayoutVerticalSpacing returns a -

2320 negative value. -

2321 -

2322 \sa combinedLayoutSpacing() -

2323 */ -

2324 -

2325 /*! -

2326 \since 4.3 -

2327 -

2328 Returns the spacing that should be used between \a controls1 and -

2329 \a controls2 in a layout. \a orientation specifies whether the -

2330 controls are laid out side by side or stacked vertically. The \a -

2331 option parameter can be used to pass extra information about the -

2332 parent widget. The \a widget parameter is optional and can also -

2333 be used if \a option is 0. -

2334 -

2335 \a controls1 and \a controls2 are OR-combination of zero or more -

2336 \l{QSizePolicy::ControlTypes}{control types}. -

2337 -

2338 This function is called by the layout system. It is used only if -

2339 PM_LayoutHorizontalSpacing or PM_LayoutVerticalSpacing returns a -

2340 negative value. -

2341 -

2342 \sa layoutSpacing() -

2343 */ -

2344 int QStyle::combinedLayoutSpacing(QSizePolicy::ControlTypes controls1, -

2345 QSizePolicy::ControlTypes controls2, Qt::Orientation orientation, -

2346 QStyleOption *option, QWidget *widget) const -

2347 { -

2348 QSizePolicy::ControlType array1[MaxBits]; -

2349 QSizePolicy::ControlType array2[MaxBits]; -

2350 int count1 = unpackControlTypes(controls1, array1); -

2351 int count2 = unpackControlTypes(controls2, array2); -

2352 int result = -1; -

2353 -

2354

for (int i = 0; i < count1; ++i) {

i < count1	Description
TRUE	never evaluated
FALSE	never evaluated

2355

for (int j = 0; j < count2; ++j) {

j < count2	Description
TRUE	never evaluated
FALSE	never evaluated

2356 int spacing = layoutSpacing(array1[i], array2[j], orientation, option, widget); -

2357 result = qMax(spacing, result); -

2358

}

never executed: end of block

2359

}

never executed: end of block

2360

return result;

never executed: return result;

2361 } -

2362 -

2363 // ### Qt 6: Remove in favor of template<class T> QDebug operator<<(QDebug, const QFlags<T> &). -

2364 #if QT_VERSION < QT_VERSION_CHECK(6,0,0) -

2365 QT_BEGIN_INCLUDE_NAMESPACE -

2366 # include <QDebug> -

2367 QT_END_INCLUDE_NAMESPACE -

2368 -

2369 # if !defined(QT_NO_DEBUG_STREAM) -

2370 QDebug operator<<(QDebug debug, QStyle::State state) -

2371 { -

2372 # if !defined(QT_NO_DEBUG) -

2373

return operator<< <QStyle::StateFlag>(debug, state);

never executed: return operator<< <QStyle::StateFlag>(debug, state);

2374 # else -

2375 Q_UNUSED(state); -

2376 return debug; -

2377 # endif -

2378 } -

2379 # endif // !QT_NO_DEBUG_STREAM -

2380 #endif // QT_VERSION < QT_VERSION_CHECK(6,0,0) -

2381 -

2382 /*! -

2383 \since 4.6 -

2384 -

2385 \fn const QStyle *QStyle::proxy() const -

2386 -

2387 This function returns the current proxy for this style. -

2388 By default most styles will return themselves. However -

2389 when a proxy style is in use, it will allow the style to -

2390 call back into its proxy. -

2391 */ -

2392 const QStyle * QStyle::proxy() const -

2393 { -

2394 Q_D(const QStyle); -

2395

return d->proxyStyle;

never executed: return d->proxyStyle;

2396 } -

2397 -

2398 /* \internal -

2399 -

2400 This function sets the base style that style calls will be -

2401 redirected to. Note that ownership is not transferred. -

2402 */ -

2403 void QStyle::setProxy(QStyle *style) -

2404 { -

2405 Q_D(QStyle); -

2406 d->proxyStyle = style; -

2407

}

never executed: end of block

2408 -

2409 QT_END_NAMESPACE -

2410 -

2411 #include "moc_qstyle.cpp" -

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