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39
40#ifndef QSTYLEOPTION_H
41#define QSTYLEOPTION_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtCore/qlocale.h>
45#include <QtCore/qvariant.h>
46#if QT_CONFIG(spinbox)
47#include <QtWidgets/qabstractspinbox.h>
48#endif
49#include <QtGui/qicon.h>
50#include <QtGui/qmatrix.h>
51#if QT_CONFIG(slider)
52#include <QtWidgets/qslider.h>
53#endif
54#include <QtWidgets/qstyle.h>
55#if QT_CONFIG(tabbar)
56#include <QtWidgets/qtabbar.h>
57#endif
58#if QT_CONFIG(tabwidget)
59#include <QtWidgets/qtabwidget.h>
60#endif
61#if QT_CONFIG(rubberband)
62#include <QtWidgets/qrubberband.h>
63#endif
64#include <QtWidgets/qframe.h>
65#if QT_CONFIG(itemviews)
66# include <QtCore/qabstractitemmodel.h>
67#endif
68
69QT_BEGIN_NAMESPACE
70
71
72class QDebug;
73
74class Q_WIDGETS_EXPORT QStyleOption
75{
76public:
77 enum OptionType {
78 SO_Default, SO_FocusRect, SO_Button, SO_Tab, SO_MenuItem,
79 SO_Frame, SO_ProgressBar, SO_ToolBox, SO_Header,
80 SO_DockWidget, SO_ViewItem, SO_TabWidgetFrame,
81 SO_TabBarBase, SO_RubberBand, SO_ToolBar, SO_GraphicsItem,
82
83 SO_Complex = 0xf0000, SO_Slider, SO_SpinBox, SO_ToolButton, SO_ComboBox,
84 SO_TitleBar, SO_GroupBox, SO_SizeGrip,
85
86 SO_CustomBase = 0xf00,
87 SO_ComplexCustomBase = 0xf000000
88 };
89
90 enum StyleOptionType { Type = SO_Default };
91 enum StyleOptionVersion { Version = 1 };
92
93 int version;
94 int type;
95 QStyle::State state;
96 Qt::LayoutDirection direction;
97 QRect rect;
98 QFontMetrics fontMetrics;
99 QPalette palette;
100 QObject *styleObject;
101
102 QStyleOption(int version = QStyleOption::Version, int type = SO_Default);
103 QStyleOption(const QStyleOption &other);
104 ~QStyleOption();
105
106 void init(const QWidget *w);
107 inline void initFrom(const QWidget *w) { init(w); }
108 QStyleOption &operator=(const QStyleOption &other);
109};
110
111class Q_WIDGETS_EXPORT QStyleOptionFocusRect : public QStyleOption
112{
113public:
114 enum StyleOptionType { Type = SO_FocusRect };
115 enum StyleOptionVersion { Version = 1 };
116
117 QColor backgroundColor;
118
119 QStyleOptionFocusRect();
120 QStyleOptionFocusRect(const QStyleOptionFocusRect &other) : QStyleOption(Version, Type) { *this = other; }
121
122protected:
123 QStyleOptionFocusRect(int version);
124};
125
126class Q_WIDGETS_EXPORT QStyleOptionFrame : public QStyleOption
127{
128public:
129 enum StyleOptionType { Type = SO_Frame };
130 enum StyleOptionVersion { Version = 3 };
131
132 int lineWidth;
133 int midLineWidth;
134 enum FrameFeature {
135 None = 0x00,
136 Flat = 0x01,
137 Rounded = 0x02
138 };
139 Q_DECLARE_FLAGS(FrameFeatures, FrameFeature)
140 FrameFeatures features;
141 QFrame::Shape frameShape;
142
143 QStyleOptionFrame();
144 QStyleOptionFrame(const QStyleOptionFrame &other) : QStyleOption(Version, Type) { *this = other; }
145
146protected:
147 QStyleOptionFrame(int version);
148};
149
150Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionFrame::FrameFeatures)
151
152typedef Q_DECL_DEPRECATED QStyleOptionFrame QStyleOptionFrameV2;
153typedef Q_DECL_DEPRECATED QStyleOptionFrame QStyleOptionFrameV3;
154
155#if QT_CONFIG(tabwidget)
156class Q_WIDGETS_EXPORT QStyleOptionTabWidgetFrame : public QStyleOption
157{
158public:
159 enum StyleOptionType { Type = SO_TabWidgetFrame };
160 enum StyleOptionVersion { Version = 2 };
161
162 int lineWidth;
163 int midLineWidth;
164 QTabBar::Shape shape;
165 QSize tabBarSize;
166 QSize rightCornerWidgetSize;
167 QSize leftCornerWidgetSize;
168 QRect tabBarRect;
169 QRect selectedTabRect;
170
171 QStyleOptionTabWidgetFrame();
172 inline QStyleOptionTabWidgetFrame(const QStyleOptionTabWidgetFrame &other)
173 : QStyleOption(Version, Type) { *this = other; }
174
175protected:
176 QStyleOptionTabWidgetFrame(int version);
177};
178
179typedef Q_DECL_DEPRECATED QStyleOptionTabWidgetFrame QStyleOptionTabWidgetFrameV2;
180#endif // QT_CONFIG(tabwidget)
181
182
183#if QT_CONFIG(tabbar)
184class Q_WIDGETS_EXPORT QStyleOptionTabBarBase : public QStyleOption
185{
186public:
187 enum StyleOptionType { Type = SO_TabBarBase };
188 enum StyleOptionVersion { Version = 2 };
189
190 QTabBar::Shape shape;
191 QRect tabBarRect;
192 QRect selectedTabRect;
193 bool documentMode;
194
195 QStyleOptionTabBarBase();
196 QStyleOptionTabBarBase(const QStyleOptionTabBarBase &other) : QStyleOption(Version, Type) { *this = other; }
197
198protected:
199 QStyleOptionTabBarBase(int version);
200};
201
202typedef Q_DECL_DEPRECATED QStyleOptionTabBarBase QStyleOptionTabBarBaseV2;
203#endif // QT_CONFIG(tabbar)
204
205class Q_WIDGETS_EXPORT QStyleOptionHeader : public QStyleOption
206{
207public:
208 enum StyleOptionType { Type = SO_Header };
209 enum StyleOptionVersion { Version = 1 };
210
211 enum SectionPosition { Beginning, Middle, End, OnlyOneSection };
212 enum SelectedPosition { NotAdjacent, NextIsSelected, PreviousIsSelected,
213 NextAndPreviousAreSelected };
214 enum SortIndicator { None, SortUp, SortDown };
215
216 int section;
217 QString text;
218 Qt::Alignment textAlignment;
219 QIcon icon;
220 Qt::Alignment iconAlignment;
221 SectionPosition position;
222 SelectedPosition selectedPosition;
223 SortIndicator sortIndicator;
224 Qt::Orientation orientation;
225
226 QStyleOptionHeader();
227 QStyleOptionHeader(const QStyleOptionHeader &other) : QStyleOption(Version, Type) { *this = other; }
228
229protected:
230 QStyleOptionHeader(int version);
231};
232
233class Q_WIDGETS_EXPORT QStyleOptionButton : public QStyleOption
234{
235public:
236 enum StyleOptionType { Type = SO_Button };
237 enum StyleOptionVersion { Version = 1 };
238
239 enum ButtonFeature { None = 0x00, Flat = 0x01, HasMenu = 0x02, DefaultButton = 0x04,
240 AutoDefaultButton = 0x08, CommandLinkButton = 0x10 };
241 Q_DECLARE_FLAGS(ButtonFeatures, ButtonFeature)
242
243 ButtonFeatures features;
244 QString text;
245 QIcon icon;
246 QSize iconSize;
247
248 QStyleOptionButton();
249 QStyleOptionButton(const QStyleOptionButton &other) : QStyleOption(Version, Type) { *this = other; }
250
251protected:
252 QStyleOptionButton(int version);
253};
254
255Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionButton::ButtonFeatures)
256
257#if QT_CONFIG(tabbar)
258class Q_WIDGETS_EXPORT QStyleOptionTab : public QStyleOption
259{
260public:
261 enum StyleOptionType { Type = SO_Tab };
262 enum StyleOptionVersion { Version = 3 };
263
264 enum TabPosition { Beginning, Middle, End, OnlyOneTab };
265 enum SelectedPosition { NotAdjacent, NextIsSelected, PreviousIsSelected };
266 enum CornerWidget { NoCornerWidgets = 0x00, LeftCornerWidget = 0x01,
267 RightCornerWidget = 0x02 };
268 enum TabFeature { None = 0x00, HasFrame = 0x01 };
269 Q_DECLARE_FLAGS(CornerWidgets, CornerWidget)
270 Q_DECLARE_FLAGS(TabFeatures, TabFeature)
271
272 QTabBar::Shape shape;
273 QString text;
274 QIcon icon;
275 int row;
276 TabPosition position;
277 SelectedPosition selectedPosition;
278 CornerWidgets cornerWidgets;
279 QSize iconSize;
280 bool documentMode;
281 QSize leftButtonSize;
282 QSize rightButtonSize;
283 TabFeatures features;
284
285 QStyleOptionTab();
286 QStyleOptionTab(const QStyleOptionTab &other) : QStyleOption(Version, Type) { *this = other; }
287
288protected:
289 QStyleOptionTab(int version);
290};
291
292Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionTab::CornerWidgets)
293
294typedef Q_DECL_DEPRECATED QStyleOptionTab QStyleOptionTabV2;
295typedef Q_DECL_DEPRECATED QStyleOptionTab QStyleOptionTabV3;
296#endif // QT_CONFIG(tabbar)
297
298
299#if QT_CONFIG(toolbar)
300
301class Q_WIDGETS_EXPORT QStyleOptionToolBar : public QStyleOption
302{
303public:
304 enum StyleOptionType { Type = SO_ToolBar };
305 enum StyleOptionVersion { Version = 1 };
306 enum ToolBarPosition { Beginning, Middle, End, OnlyOne };
307 enum ToolBarFeature { None = 0x0, Movable = 0x1 };
308 Q_DECLARE_FLAGS(ToolBarFeatures, ToolBarFeature)
309 ToolBarPosition positionOfLine; // The toolbar line position
310 ToolBarPosition positionWithinLine; // The position within a toolbar
311 Qt::ToolBarArea toolBarArea; // The toolbar docking area
312 ToolBarFeatures features;
313 int lineWidth;
314 int midLineWidth;
315 QStyleOptionToolBar();
316 QStyleOptionToolBar(const QStyleOptionToolBar &other) : QStyleOption(Version, Type) { *this = other; }
317
318protected:
319 QStyleOptionToolBar(int version);
320};
321
322Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionToolBar::ToolBarFeatures)
323
324#endif // QT_CONFIG(toolbar)
325
326class Q_WIDGETS_EXPORT QStyleOptionProgressBar : public QStyleOption
327{
328public:
329 enum StyleOptionType { Type = SO_ProgressBar };
330 enum StyleOptionVersion { Version = 2 };
331
332 int minimum;
333 int maximum;
334 int progress;
335 QString text;
336 Qt::Alignment textAlignment;
337 bool textVisible;
338 Qt::Orientation orientation; // ### Qt 6: remove
339 bool invertedAppearance;
340 bool bottomToTop;
341
342 QStyleOptionProgressBar();
343 QStyleOptionProgressBar(const QStyleOptionProgressBar &other) : QStyleOption(Version, Type) { *this = other; }
344
345protected:
346 QStyleOptionProgressBar(int version);
347};
348
349typedef Q_DECL_DEPRECATED QStyleOptionProgressBar QStyleOptionProgressBarV2;
350
351class Q_WIDGETS_EXPORT QStyleOptionMenuItem : public QStyleOption
352{
353public:
354 enum StyleOptionType { Type = SO_MenuItem };
355 enum StyleOptionVersion { Version = 1 };
356
357 enum MenuItemType { Normal, DefaultItem, Separator, SubMenu, Scroller, TearOff, Margin,
358 EmptyArea };
359 enum CheckType { NotCheckable, Exclusive, NonExclusive };
360
361 MenuItemType menuItemType;
362 CheckType checkType;
363 bool checked;
364 bool menuHasCheckableItems;
365 QRect menuRect;
366 QString text;
367 QIcon icon;
368 int maxIconWidth;
369 int tabWidth;
370 QFont font;
371
372 QStyleOptionMenuItem();
373 QStyleOptionMenuItem(const QStyleOptionMenuItem &other) : QStyleOption(Version, Type) { *this = other; }
374
375protected:
376 QStyleOptionMenuItem(int version);
377};
378
379class Q_WIDGETS_EXPORT QStyleOptionDockWidget : public QStyleOption
380{
381public:
382 enum StyleOptionType { Type = SO_DockWidget };
383 enum StyleOptionVersion { Version = 2 };
384
385 QString title;
386 bool closable;
387 bool movable;
388 bool floatable;
389 bool verticalTitleBar;
390
391 QStyleOptionDockWidget();
392 QStyleOptionDockWidget(const QStyleOptionDockWidget &other) : QStyleOption(Version, Type) { *this = other; }
393
394protected:
395 QStyleOptionDockWidget(int version);
396};
397
398typedef Q_DECL_DEPRECATED QStyleOptionDockWidget QStyleOptionDockWidgetV2;
399
400#if QT_CONFIG(itemviews)
401
402class Q_WIDGETS_EXPORT QStyleOptionViewItem : public QStyleOption
403{
404public:
405 enum StyleOptionType { Type = SO_ViewItem };
406 enum StyleOptionVersion { Version = 4 };
407
408 enum Position { Left, Right, Top, Bottom };
409
410 Qt::Alignment displayAlignment;
411 Qt::Alignment decorationAlignment;
412 Qt::TextElideMode textElideMode;
413 Position decorationPosition;
414 QSize decorationSize;
415 QFont font;
416 bool showDecorationSelected;
417
418 enum ViewItemFeature {
419 None = 0x00,
420 WrapText = 0x01,
421 Alternate = 0x02,
422 HasCheckIndicator = 0x04,
423 HasDisplay = 0x08,
424 HasDecoration = 0x10
425 };
426 Q_DECLARE_FLAGS(ViewItemFeatures, ViewItemFeature)
427
428 ViewItemFeatures features;
429
430 QLocale locale;
431 const QWidget *widget;
432
433 enum ViewItemPosition { Invalid, Beginning, Middle, End, OnlyOne };
434
435 QModelIndex index;
436 Qt::CheckState checkState;
437 QIcon icon;
438 QString text;
439 ViewItemPosition viewItemPosition;
440 QBrush backgroundBrush;
441
442 QStyleOptionViewItem();
443 QStyleOptionViewItem(const QStyleOptionViewItem &other) : QStyleOption(Version, Type) { *this = other; }
444
445protected:
446 QStyleOptionViewItem(int version);
447};
448
449Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionViewItem::ViewItemFeatures)
450
451typedef Q_DECL_DEPRECATED QStyleOptionViewItem QStyleOptionViewItemV2;
452typedef Q_DECL_DEPRECATED QStyleOptionViewItem QStyleOptionViewItemV3;
453typedef Q_DECL_DEPRECATED QStyleOptionViewItem QStyleOptionViewItemV4;
454
455#endif // QT_CONFIG(itemviews)
456
457class Q_WIDGETS_EXPORT QStyleOptionToolBox : public QStyleOption
458{
459public:
460 enum StyleOptionType { Type = SO_ToolBox };
461 enum StyleOptionVersion { Version = 2 };
462
463 QString text;
464 QIcon icon;
465
466 enum TabPosition { Beginning, Middle, End, OnlyOneTab };
467 enum SelectedPosition { NotAdjacent, NextIsSelected, PreviousIsSelected };
468
469 TabPosition position;
470 SelectedPosition selectedPosition;
471
472 QStyleOptionToolBox();
473 QStyleOptionToolBox(const QStyleOptionToolBox &other) : QStyleOption(Version, Type) { *this = other; }
474
475protected:
476 QStyleOptionToolBox(int version);
477};
478
479typedef Q_DECL_DEPRECATED QStyleOptionToolBox QStyleOptionToolBoxV2;
480
481#if QT_CONFIG(rubberband)
482class Q_WIDGETS_EXPORT QStyleOptionRubberBand : public QStyleOption
483{
484public:
485 enum StyleOptionType { Type = SO_RubberBand };
486 enum StyleOptionVersion { Version = 1 };
487
488 QRubberBand::Shape shape;
489 bool opaque;
490
491 QStyleOptionRubberBand();
492 QStyleOptionRubberBand(const QStyleOptionRubberBand &other) : QStyleOption(Version, Type) { *this = other; }
493
494protected:
495 QStyleOptionRubberBand(int version);
496};
497#endif // QT_CONFIG(rubberband)
498
499// -------------------------- Complex style options -------------------------------
500class Q_WIDGETS_EXPORT QStyleOptionComplex : public QStyleOption
501{
502public:
503 enum StyleOptionType { Type = SO_Complex };
504 enum StyleOptionVersion { Version = 1 };
505
506 QStyle::SubControls subControls;
507 QStyle::SubControls activeSubControls;
508
509 QStyleOptionComplex(int version = QStyleOptionComplex::Version, int type = SO_Complex);
510 QStyleOptionComplex(const QStyleOptionComplex &other) : QStyleOption(Version, Type) { *this = other; }
511};
512
513#if QT_CONFIG(slider)
514class Q_WIDGETS_EXPORT QStyleOptionSlider : public QStyleOptionComplex
515{
516public:
517 enum StyleOptionType { Type = SO_Slider };
518 enum StyleOptionVersion { Version = 1 };
519
520 Qt::Orientation orientation;
521 int minimum;
522 int maximum;
523 QSlider::TickPosition tickPosition;
524 int tickInterval;
525 bool upsideDown;
526 int sliderPosition;
527 int sliderValue;
528 int singleStep;
529 int pageStep;
530 qreal notchTarget;
531 bool dialWrapping;
532
533 QStyleOptionSlider();
534 QStyleOptionSlider(const QStyleOptionSlider &other) : QStyleOptionComplex(Version, Type) { *this = other; }
535
536protected:
537 QStyleOptionSlider(int version);
538};
539#endif // QT_CONFIG(slider)
540
541#if QT_CONFIG(spinbox)
542class Q_WIDGETS_EXPORT QStyleOptionSpinBox : public QStyleOptionComplex
543{
544public:
545 enum StyleOptionType { Type = SO_SpinBox };
546 enum StyleOptionVersion { Version = 1 };
547
548 QAbstractSpinBox::ButtonSymbols buttonSymbols;
549 QAbstractSpinBox::StepEnabled stepEnabled;
550 bool frame;
551
552 QStyleOptionSpinBox();
553 QStyleOptionSpinBox(const QStyleOptionSpinBox &other) : QStyleOptionComplex(Version, Type) { *this = other; }
554
555protected:
556 QStyleOptionSpinBox(int version);
557};
558#endif // QT_CONFIG(spinbox)
559
560class Q_WIDGETS_EXPORT QStyleOptionToolButton : public QStyleOptionComplex
561{
562public:
563 enum StyleOptionType { Type = SO_ToolButton };
564 enum StyleOptionVersion { Version = 1 };
565
566 enum ToolButtonFeature { None = 0x00, Arrow = 0x01, Menu = 0x04, MenuButtonPopup = Menu, PopupDelay = 0x08,
567 HasMenu = 0x10 };
568 Q_DECLARE_FLAGS(ToolButtonFeatures, ToolButtonFeature)
569
570 ToolButtonFeatures features;
571 QIcon icon;
572 QSize iconSize;
573 QString text;
574 Qt::ArrowType arrowType;
575 Qt::ToolButtonStyle toolButtonStyle;
576 QPoint pos;
577 QFont font;
578
579 QStyleOptionToolButton();
580 QStyleOptionToolButton(const QStyleOptionToolButton &other) : QStyleOptionComplex(Version, Type) { *this = other; }
581
582protected:
583 QStyleOptionToolButton(int version);
584};
585
586Q_DECLARE_OPERATORS_FOR_FLAGS(QStyleOptionToolButton::ToolButtonFeatures)
587
588class Q_WIDGETS_EXPORT QStyleOptionComboBox : public QStyleOptionComplex
589{
590public:
591 enum StyleOptionType { Type = SO_ComboBox };
592 enum StyleOptionVersion { Version = 1 };
593
594 bool editable;
595 QRect popupRect;
596 bool frame;
597 QString currentText;
598 QIcon currentIcon;
599 QSize iconSize;
600
601 QStyleOptionComboBox();
602 QStyleOptionComboBox(const QStyleOptionComboBox &other) : QStyleOptionComplex(Version, Type) { *this = other; }
603
604protected:
605 QStyleOptionComboBox(int version);
606};
607
608class Q_WIDGETS_EXPORT QStyleOptionTitleBar : public QStyleOptionComplex
609{
610public:
611 enum StyleOptionType { Type = SO_TitleBar };
612 enum StyleOptionVersion { Version = 1 };
613
614 QString text;
615 QIcon icon;
616 int titleBarState;
617 Qt::WindowFlags titleBarFlags;
618
619 QStyleOptionTitleBar();
620 QStyleOptionTitleBar(const QStyleOptionTitleBar &other) : QStyleOptionComplex(Version, Type) { *this = other; }
621
622protected:
623 QStyleOptionTitleBar(int version);
624};
625
626class Q_WIDGETS_EXPORT QStyleOptionGroupBox : public QStyleOptionComplex
627{
628public:
629 enum StyleOptionType { Type = SO_GroupBox };
630 enum StyleOptionVersion { Version = 1 };
631
632 QStyleOptionFrame::FrameFeatures features;
633 QString text;
634 Qt::Alignment textAlignment;
635 QColor textColor;
636 int lineWidth;
637 int midLineWidth;
638
639 QStyleOptionGroupBox();
640 QStyleOptionGroupBox(const QStyleOptionGroupBox &other) : QStyleOptionComplex(Version, Type) { *this = other; }
641protected:
642 QStyleOptionGroupBox(int version);
643};
644
645class Q_WIDGETS_EXPORT QStyleOptionSizeGrip : public QStyleOptionComplex
646{
647public:
648 enum StyleOptionType { Type = SO_SizeGrip };
649 enum StyleOptionVersion { Version = 1 };
650
651 Qt::Corner corner;
652
653 QStyleOptionSizeGrip();
654 QStyleOptionSizeGrip(const QStyleOptionSizeGrip &other) : QStyleOptionComplex(Version, Type) { *this = other; }
655protected:
656 QStyleOptionSizeGrip(int version);
657};
658
659class Q_WIDGETS_EXPORT QStyleOptionGraphicsItem : public QStyleOption
660{
661public:
662 enum StyleOptionType { Type = SO_GraphicsItem };
663 enum StyleOptionVersion { Version = 1 };
664
665 QRectF exposedRect;
666 QMatrix matrix;
667 qreal levelOfDetail;
668
669 QStyleOptionGraphicsItem();
670 QStyleOptionGraphicsItem(const QStyleOptionGraphicsItem &other) : QStyleOption(Version, Type) { *this = other; }
671 static qreal levelOfDetailFromTransform(const QTransform &worldTransform);
672protected:
673 QStyleOptionGraphicsItem(int version);
674};
675
676template <typename T>
677T qstyleoption_cast(const QStyleOption *opt)
678{
679 typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Opt;
680 if (opt && opt->version >= Opt::Version && (opt->type == Opt::Type
681 || int(Opt::Type) == QStyleOption::SO_Default
682 || (int(Opt::Type) == QStyleOption::SO_Complex
683 && opt->type > QStyleOption::SO_Complex)))
684 return static_cast<T>(opt);
685 return nullptr;
686}
687
688template <typename T>
689T qstyleoption_cast(QStyleOption *opt)
690{
691 typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Opt;
692 if (opt && opt->version >= Opt::Version && (opt->type == Opt::Type
693 || int(Opt::Type) == QStyleOption::SO_Default
694 || (int(Opt::Type) == QStyleOption::SO_Complex
695 && opt->type > QStyleOption::SO_Complex)))
696 return static_cast<T>(opt);
697 return nullptr;
698}
699
700// -------------------------- QStyleHintReturn -------------------------------
701class Q_WIDGETS_EXPORT QStyleHintReturn {
702public:
703 enum HintReturnType {
704 SH_Default=0xf000, SH_Mask, SH_Variant
705 };
706
707 enum StyleOptionType { Type = SH_Default };
708 enum StyleOptionVersion { Version = 1 };
709
710 QStyleHintReturn(int version = QStyleOption::Version, int type = SH_Default);
711 ~QStyleHintReturn();
712
713 int version;
714 int type;
715};
716
717class Q_WIDGETS_EXPORT QStyleHintReturnMask : public QStyleHintReturn {
718public:
719 enum StyleOptionType { Type = SH_Mask };
720 enum StyleOptionVersion { Version = 1 };
721
722 QStyleHintReturnMask();
723 ~QStyleHintReturnMask();
724
725 QRegion region;
726};
727
728class Q_WIDGETS_EXPORT QStyleHintReturnVariant : public QStyleHintReturn {
729public:
730 enum StyleOptionType { Type = SH_Variant };
731 enum StyleOptionVersion { Version = 1 };
732
733 QStyleHintReturnVariant();
734 ~QStyleHintReturnVariant();
735
736 QVariant variant;
737};
738
739template <typename T>
740T qstyleoption_cast(const QStyleHintReturn *hint)
741{
742 typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Opt;
743 if (hint && hint->version <= Opt::Version &&
744 (hint->type == Opt::Type || int(Opt::Type) == QStyleHintReturn::SH_Default))
745 return static_cast<T>(hint);
746 return nullptr;
747}
748
749template <typename T>
750T qstyleoption_cast(QStyleHintReturn *hint)
751{
752 typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Opt;
753 if (hint && hint->version <= Opt::Version &&
754 (hint->type == Opt::Type || int(Opt::Type) == QStyleHintReturn::SH_Default))
755 return static_cast<T>(hint);
756 return nullptr;
757}
758
759#if !defined(QT_NO_DEBUG_STREAM)
760Q_WIDGETS_EXPORT QDebug operator<<(QDebug debug, const QStyleOption::OptionType &optionType);
761Q_WIDGETS_EXPORT QDebug operator<<(QDebug debug, const QStyleOption &option);
762#endif
763
764QT_END_NAMESPACE
765
766#endif // QSTYLEOPTION_H
767