source: trunk/src/gui/graphicsview/qgraphicsitem.h@ 846

Last change on this file since 846 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 40.5 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QGRAPHICSITEM_H
43#define QGRAPHICSITEM_H
44
45#include <QtCore/qglobal.h>
46#include <QtCore/qobject.h>
47#include <QtCore/qvariant.h>
48#include <QtCore/qrect.h>
49#include <QtCore/qscopedpointer.h>
50#include <QtGui/qpainterpath.h>
51#include <QtGui/qpixmap.h>
52
53class tst_QGraphicsItem;
54
55QT_BEGIN_HEADER
56
57QT_BEGIN_NAMESPACE
58
59QT_MODULE(Gui)
60
61#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
62
63class QBrush;
64class QCursor;
65class QFocusEvent;
66class QGraphicsEffect;
67class QGraphicsItemGroup;
68class QGraphicsObject;
69class QGraphicsSceneContextMenuEvent;
70class QGraphicsSceneDragDropEvent;
71class QGraphicsSceneEvent;
72class QGraphicsSceneHoverEvent;
73class QGraphicsSceneMouseEvent;
74class QGraphicsSceneWheelEvent;
75class QGraphicsScene;
76class QGraphicsTransform;
77class QGraphicsWidget;
78class QInputMethodEvent;
79class QKeyEvent;
80class QMatrix;
81class QMenu;
82class QPainter;
83class QPen;
84class QPointF;
85class QRectF;
86class QStyleOptionGraphicsItem;
87
88class QGraphicsItemPrivate;
89class Q_GUI_EXPORT QGraphicsItem
90{
91public:
92 enum GraphicsItemFlag {
93 ItemIsMovable = 0x1,
94 ItemIsSelectable = 0x2,
95 ItemIsFocusable = 0x4,
96 ItemClipsToShape = 0x8,
97 ItemClipsChildrenToShape = 0x10,
98 ItemIgnoresTransformations = 0x20,
99 ItemIgnoresParentOpacity = 0x40,
100 ItemDoesntPropagateOpacityToChildren = 0x80,
101 ItemStacksBehindParent = 0x100,
102 ItemUsesExtendedStyleOption = 0x200,
103 ItemHasNoContents = 0x400,
104 ItemSendsGeometryChanges = 0x800,
105 ItemAcceptsInputMethod = 0x1000,
106 ItemNegativeZStacksBehindParent = 0x2000,
107 ItemIsPanel = 0x4000,
108 ItemIsFocusScope = 0x8000, // internal
109 ItemSendsScenePositionChanges = 0x10000,
110 ItemStopsClickFocusPropagation = 0x20000
111 // NB! Don't forget to increase the d_ptr->flags bit field by 1 when adding a new flag.
112 };
113 Q_DECLARE_FLAGS(GraphicsItemFlags, GraphicsItemFlag)
114
115 enum GraphicsItemChange {
116 ItemPositionChange,
117 ItemMatrixChange,
118 ItemVisibleChange,
119 ItemEnabledChange,
120 ItemSelectedChange,
121 ItemParentChange,
122 ItemChildAddedChange,
123 ItemChildRemovedChange,
124 ItemTransformChange,
125 ItemPositionHasChanged,
126 ItemTransformHasChanged,
127 ItemSceneChange,
128 ItemVisibleHasChanged,
129 ItemEnabledHasChanged,
130 ItemSelectedHasChanged,
131 ItemParentHasChanged,
132 ItemSceneHasChanged,
133 ItemCursorChange,
134 ItemCursorHasChanged,
135 ItemToolTipChange,
136 ItemToolTipHasChanged,
137 ItemFlagsChange,
138 ItemFlagsHaveChanged,
139 ItemZValueChange,
140 ItemZValueHasChanged,
141 ItemOpacityChange,
142 ItemOpacityHasChanged,
143 ItemScenePositionHasChanged,
144 ItemRotationChange,
145 ItemRotationHasChanged,
146 ItemScaleChange,
147 ItemScaleHasChanged,
148 ItemTransformOriginPointChange,
149 ItemTransformOriginPointHasChanged
150 };
151
152 enum CacheMode {
153 NoCache,
154 ItemCoordinateCache,
155 DeviceCoordinateCache
156 };
157
158 enum PanelModality
159 {
160 NonModal,
161 PanelModal,
162 SceneModal
163 };
164
165 QGraphicsItem(QGraphicsItem *parent = 0
166#ifndef Q_QDOC
167 // ### obsolete argument
168 , QGraphicsScene *scene = 0
169#endif
170 );
171 virtual ~QGraphicsItem();
172
173 QGraphicsScene *scene() const;
174
175 QGraphicsItem *parentItem() const;
176 QGraphicsItem *topLevelItem() const;
177 QGraphicsObject *parentObject() const;
178 QGraphicsWidget *parentWidget() const;
179 QGraphicsWidget *topLevelWidget() const;
180 QGraphicsWidget *window() const;
181 QGraphicsItem *panel() const;
182 void setParentItem(QGraphicsItem *parent);
183 QList<QGraphicsItem *> children() const; // ### obsolete
184 QList<QGraphicsItem *> childItems() const;
185 bool isWidget() const;
186 bool isWindow() const;
187 bool isPanel() const;
188
189 QGraphicsObject *toGraphicsObject();
190 const QGraphicsObject *toGraphicsObject() const;
191
192 QGraphicsItemGroup *group() const;
193 void setGroup(QGraphicsItemGroup *group);
194
195 GraphicsItemFlags flags() const;
196 void setFlag(GraphicsItemFlag flag, bool enabled = true);
197 void setFlags(GraphicsItemFlags flags);
198
199 CacheMode cacheMode() const;
200 void setCacheMode(CacheMode mode, const QSize &cacheSize = QSize());
201
202 PanelModality panelModality() const;
203 void setPanelModality(PanelModality panelModality);
204 bool isBlockedByModalPanel(QGraphicsItem **blockingPanel = 0) const;
205
206#ifndef QT_NO_TOOLTIP
207 QString toolTip() const;
208 void setToolTip(const QString &toolTip);
209#endif
210
211#ifndef QT_NO_CURSOR
212 QCursor cursor() const;
213 void setCursor(const QCursor &cursor);
214 bool hasCursor() const;
215 void unsetCursor();
216#endif
217
218 bool isVisible() const;
219 bool isVisibleTo(const QGraphicsItem *parent) const;
220 void setVisible(bool visible);
221 inline void hide() { setVisible(false); }
222 inline void show() { setVisible(true); }
223
224 bool isEnabled() const;
225 void setEnabled(bool enabled);
226
227 bool isSelected() const;
228 void setSelected(bool selected);
229
230 bool acceptDrops() const;
231 void setAcceptDrops(bool on);
232
233 qreal opacity() const;
234 qreal effectiveOpacity() const;
235 void setOpacity(qreal opacity);
236
237#ifndef QT_NO_GRAPHICSEFFECT
238 // Effect
239 QGraphicsEffect *graphicsEffect() const;
240 void setGraphicsEffect(QGraphicsEffect *effect);
241#endif //QT_NO_GRAPHICSEFFECT
242
243 Qt::MouseButtons acceptedMouseButtons() const;
244 void setAcceptedMouseButtons(Qt::MouseButtons buttons);
245
246 bool acceptsHoverEvents() const; // ### obsolete
247 void setAcceptsHoverEvents(bool enabled); // ### obsolete
248 bool acceptHoverEvents() const;
249 void setAcceptHoverEvents(bool enabled);
250 bool acceptTouchEvents() const;
251 void setAcceptTouchEvents(bool enabled);
252
253 bool filtersChildEvents() const;
254 void setFiltersChildEvents(bool enabled);
255
256 bool handlesChildEvents() const;
257 void setHandlesChildEvents(bool enabled);
258
259 bool isActive() const;
260 void setActive(bool active);
261
262 bool hasFocus() const;
263 void setFocus(Qt::FocusReason focusReason = Qt::OtherFocusReason);
264 void clearFocus();
265
266 QGraphicsItem *focusProxy() const;
267 void setFocusProxy(QGraphicsItem *item);
268
269 QGraphicsItem *focusItem() const;
270 QGraphicsItem *focusScopeItem() const;
271
272 void grabMouse();
273 void ungrabMouse();
274 void grabKeyboard();
275 void ungrabKeyboard();
276
277 // Positioning in scene coordinates
278 QPointF pos() const;
279 inline qreal x() const { return pos().x(); }
280 void setX(qreal x);
281 inline qreal y() const { return pos().y(); }
282 void setY(qreal y);
283 QPointF scenePos() const;
284 void setPos(const QPointF &pos);
285 inline void setPos(qreal x, qreal y);
286 inline void moveBy(qreal dx, qreal dy) { setPos(pos().x() + dx, pos().y() + dy); }
287
288 void ensureVisible(const QRectF &rect = QRectF(), int xmargin = 50, int ymargin = 50);
289 inline void ensureVisible(qreal x, qreal y, qreal w, qreal h, int xmargin = 50, int ymargin = 50);
290
291 // Local transformation
292 QMatrix matrix() const;
293 QMatrix sceneMatrix() const;
294 void setMatrix(const QMatrix &matrix, bool combine = false);
295 void resetMatrix();
296 QTransform transform() const;
297 QTransform sceneTransform() const;
298 QTransform deviceTransform(const QTransform &viewportTransform) const;
299 QTransform itemTransform(const QGraphicsItem *other, bool *ok = 0) const;
300 void setTransform(const QTransform &matrix, bool combine = false);
301 void resetTransform();
302
303 void rotate(qreal angle); // ### obsolete
304 void scale(qreal sx, qreal sy); // ### obsolete
305 void shear(qreal sh, qreal sv); // ### obsolete
306 void translate(qreal dx, qreal dy); // ### obsolete
307
308 void setRotation(qreal angle);
309 qreal rotation() const;
310
311 void setScale(qreal scale);
312 qreal scale() const;
313
314 QList<QGraphicsTransform *> transformations() const;
315 void setTransformations(const QList<QGraphicsTransform *> &transformations);
316
317 QPointF transformOriginPoint() const;
318 void setTransformOriginPoint(const QPointF &origin);
319 inline void setTransformOriginPoint(qreal ax, qreal ay)
320 { setTransformOriginPoint(QPointF(ax,ay)); }
321
322 virtual void advance(int phase);
323
324 // Stacking order
325 qreal zValue() const;
326 void setZValue(qreal z);
327 void stackBefore(const QGraphicsItem *sibling);
328
329 // Hit test
330 virtual QRectF boundingRect() const = 0;
331 QRectF childrenBoundingRect() const;
332 QRectF sceneBoundingRect() const;
333 virtual QPainterPath shape() const;
334 bool isClipped() const;
335 QPainterPath clipPath() const;
336 virtual bool contains(const QPointF &point) const;
337 virtual bool collidesWithItem(const QGraphicsItem *other, Qt::ItemSelectionMode mode = Qt::IntersectsItemShape) const;
338 virtual bool collidesWithPath(const QPainterPath &path, Qt::ItemSelectionMode mode = Qt::IntersectsItemShape) const;
339 QList<QGraphicsItem *> collidingItems(Qt::ItemSelectionMode mode = Qt::IntersectsItemShape) const;
340 bool isObscured() const;
341 bool isObscured(const QRectF &rect) const; // ### Qt 5: merge with isObscured(), add QRectF arg to isObscuredBy()
342 inline bool isObscured(qreal x, qreal y, qreal w, qreal h) const;
343 virtual bool isObscuredBy(const QGraphicsItem *item) const;
344 virtual QPainterPath opaqueArea() const;
345
346 QRegion boundingRegion(const QTransform &itemToDeviceTransform) const;
347 qreal boundingRegionGranularity() const;
348 void setBoundingRegionGranularity(qreal granularity);
349
350 // Drawing
351 virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) = 0;
352 void update(const QRectF &rect = QRectF());
353 inline void update(qreal x, qreal y, qreal width, qreal height);
354 void scroll(qreal dx, qreal dy, const QRectF &rect = QRectF());
355
356 // Coordinate mapping
357 QPointF mapToItem(const QGraphicsItem *item, const QPointF &point) const;
358 QPointF mapToParent(const QPointF &point) const;
359 QPointF mapToScene(const QPointF &point) const;
360 QPolygonF mapToItem(const QGraphicsItem *item, const QRectF &rect) const;
361 QPolygonF mapToParent(const QRectF &rect) const;
362 QPolygonF mapToScene(const QRectF &rect) const;
363 QRectF mapRectToItem(const QGraphicsItem *item, const QRectF &rect) const;
364 QRectF mapRectToParent(const QRectF &rect) const;
365 QRectF mapRectToScene(const QRectF &rect) const;
366 QPolygonF mapToItem(const QGraphicsItem *item, const QPolygonF &polygon) const;
367 QPolygonF mapToParent(const QPolygonF &polygon) const;
368 QPolygonF mapToScene(const QPolygonF &polygon) const;
369 QPainterPath mapToItem(const QGraphicsItem *item, const QPainterPath &path) const;
370 QPainterPath mapToParent(const QPainterPath &path) const;
371 QPainterPath mapToScene(const QPainterPath &path) const;
372 QPointF mapFromItem(const QGraphicsItem *item, const QPointF &point) const;
373 QPointF mapFromParent(const QPointF &point) const;
374 QPointF mapFromScene(const QPointF &point) const;
375 QPolygonF mapFromItem(const QGraphicsItem *item, const QRectF &rect) const;
376 QPolygonF mapFromParent(const QRectF &rect) const;
377 QPolygonF mapFromScene(const QRectF &rect) const;
378 QRectF mapRectFromItem(const QGraphicsItem *item, const QRectF &rect) const;
379 QRectF mapRectFromParent(const QRectF &rect) const;
380 QRectF mapRectFromScene(const QRectF &rect) const;
381 QPolygonF mapFromItem(const QGraphicsItem *item, const QPolygonF &polygon) const;
382 QPolygonF mapFromParent(const QPolygonF &polygon) const;
383 QPolygonF mapFromScene(const QPolygonF &polygon) const;
384 QPainterPath mapFromItem(const QGraphicsItem *item, const QPainterPath &path) const;
385 QPainterPath mapFromParent(const QPainterPath &path) const;
386 QPainterPath mapFromScene(const QPainterPath &path) const;
387
388 inline QPointF mapToItem(const QGraphicsItem *item, qreal x, qreal y) const;
389 inline QPointF mapToParent(qreal x, qreal y) const;
390 inline QPointF mapToScene(qreal x, qreal y) const;
391 inline QPolygonF mapToItem(const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const;
392 inline QPolygonF mapToParent(qreal x, qreal y, qreal w, qreal h) const;
393 inline QPolygonF mapToScene(qreal x, qreal y, qreal w, qreal h) const;
394 inline QRectF mapRectToItem(const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const;
395 inline QRectF mapRectToParent(qreal x, qreal y, qreal w, qreal h) const;
396 inline QRectF mapRectToScene(qreal x, qreal y, qreal w, qreal h) const;
397 inline QPointF mapFromItem(const QGraphicsItem *item, qreal x, qreal y) const;
398 inline QPointF mapFromParent(qreal x, qreal y) const;
399 inline QPointF mapFromScene(qreal x, qreal y) const;
400 inline QPolygonF mapFromItem(const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const;
401 inline QPolygonF mapFromParent(qreal x, qreal y, qreal w, qreal h) const;
402 inline QPolygonF mapFromScene(qreal x, qreal y, qreal w, qreal h) const;
403 inline QRectF mapRectFromItem(const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const;
404 inline QRectF mapRectFromParent(qreal x, qreal y, qreal w, qreal h) const;
405 inline QRectF mapRectFromScene(qreal x, qreal y, qreal w, qreal h) const;
406
407 bool isAncestorOf(const QGraphicsItem *child) const;
408 QGraphicsItem *commonAncestorItem(const QGraphicsItem *other) const;
409 bool isUnderMouse() const;
410
411 // Custom data
412 QVariant data(int key) const;
413 void setData(int key, const QVariant &value);
414
415 Qt::InputMethodHints inputMethodHints() const;
416 void setInputMethodHints(Qt::InputMethodHints hints);
417
418 enum {
419 Type = 1,
420 UserType = 65536
421 };
422 virtual int type() const;
423
424 void installSceneEventFilter(QGraphicsItem *filterItem);
425 void removeSceneEventFilter(QGraphicsItem *filterItem);
426
427protected:
428 void updateMicroFocus();
429 virtual bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
430 virtual bool sceneEvent(QEvent *event);
431 virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
432 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
433 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
434 virtual void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
435 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
436 virtual void focusInEvent(QFocusEvent *event);
437 virtual void focusOutEvent(QFocusEvent *event);
438 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
439 virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
440 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
441 virtual void keyPressEvent(QKeyEvent *event);
442 virtual void keyReleaseEvent(QKeyEvent *event);
443 virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
444 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
445 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
446 virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
447 virtual void wheelEvent(QGraphicsSceneWheelEvent *event);
448 virtual void inputMethodEvent(QInputMethodEvent *event);
449 virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
450
451 virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
452
453 enum Extension {
454 UserExtension = 0x80000000
455 };
456 virtual bool supportsExtension(Extension extension) const;
457 virtual void setExtension(Extension extension, const QVariant &variant);
458 virtual QVariant extension(const QVariant &variant) const;
459
460protected:
461 QGraphicsItem(QGraphicsItemPrivate &dd,
462 QGraphicsItem *parent, QGraphicsScene *scene);
463 QScopedPointer<QGraphicsItemPrivate> d_ptr;
464
465 void addToIndex();
466 void removeFromIndex();
467 void prepareGeometryChange();
468
469private:
470 Q_DISABLE_COPY(QGraphicsItem)
471 Q_DECLARE_PRIVATE(QGraphicsItem)
472 friend class QGraphicsItemGroup;
473 friend class QGraphicsScene;
474 friend class QGraphicsScenePrivate;
475 friend class QGraphicsSceneFindItemBspTreeVisitor;
476 friend class QGraphicsSceneBspTree;
477 friend class QGraphicsView;
478 friend class QGraphicsViewPrivate;
479 friend class QGraphicsObject;
480 friend class QGraphicsWidget;
481 friend class QGraphicsWidgetPrivate;
482 friend class QGraphicsProxyWidgetPrivate;
483 friend class QGraphicsSceneIndex;
484 friend class QGraphicsSceneIndexPrivate;
485 friend class QGraphicsSceneBspTreeIndex;
486 friend class QGraphicsSceneBspTreeIndexPrivate;
487 friend class QGraphicsItemEffectSourcePrivate;
488 friend class QGraphicsTransformPrivate;
489#ifndef QT_NO_GESTURES
490 friend class QGestureManager;
491#endif
492 friend class ::tst_QGraphicsItem;
493 friend bool qt_closestLeaf(const QGraphicsItem *, const QGraphicsItem *);
494 friend bool qt_closestItemFirst(const QGraphicsItem *, const QGraphicsItem *);
495};
496
497Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsItem::GraphicsItemFlags)
498Q_DECLARE_INTERFACE(QGraphicsItem, "com.trolltech.Qt.QGraphicsItem")
499
500inline void QGraphicsItem::setPos(qreal ax, qreal ay)
501{ setPos(QPointF(ax, ay)); }
502inline void QGraphicsItem::ensureVisible(qreal ax, qreal ay, qreal w, qreal h, int xmargin, int ymargin)
503{ ensureVisible(QRectF(ax, ay, w, h), xmargin, ymargin); }
504inline void QGraphicsItem::update(qreal ax, qreal ay, qreal width, qreal height)
505{ update(QRectF(ax, ay, width, height)); }
506inline bool QGraphicsItem::isObscured(qreal ax, qreal ay, qreal w, qreal h) const
507{ return isObscured(QRectF(ax, ay, w, h)); }
508inline QPointF QGraphicsItem::mapToItem(const QGraphicsItem *item, qreal ax, qreal ay) const
509{ return mapToItem(item, QPointF(ax, ay)); }
510inline QPointF QGraphicsItem::mapToParent(qreal ax, qreal ay) const
511{ return mapToParent(QPointF(ax, ay)); }
512inline QPointF QGraphicsItem::mapToScene(qreal ax, qreal ay) const
513{ return mapToScene(QPointF(ax, ay)); }
514inline QPointF QGraphicsItem::mapFromItem(const QGraphicsItem *item, qreal ax, qreal ay) const
515{ return mapFromItem(item, QPointF(ax, ay)); }
516inline QPointF QGraphicsItem::mapFromParent(qreal ax, qreal ay) const
517{ return mapFromParent(QPointF(ax, ay)); }
518inline QPointF QGraphicsItem::mapFromScene(qreal ax, qreal ay) const
519{ return mapFromScene(QPointF(ax, ay)); }
520inline QPolygonF QGraphicsItem::mapToItem(const QGraphicsItem *item, qreal ax, qreal ay, qreal w, qreal h) const
521{ return mapToItem(item, QRectF(ax, ay, w, h)); }
522inline QPolygonF QGraphicsItem::mapToParent(qreal ax, qreal ay, qreal w, qreal h) const
523{ return mapToParent(QRectF(ax, ay, w, h)); }
524inline QPolygonF QGraphicsItem::mapToScene(qreal ax, qreal ay, qreal w, qreal h) const
525{ return mapToScene(QRectF(ax, ay, w, h)); }
526inline QRectF QGraphicsItem::mapRectToItem(const QGraphicsItem *item, qreal ax, qreal ay, qreal w, qreal h) const
527{ return mapRectToItem(item, QRectF(ax, ay, w, h)); }
528inline QRectF QGraphicsItem::mapRectToParent(qreal ax, qreal ay, qreal w, qreal h) const
529{ return mapRectToParent(QRectF(ax, ay, w, h)); }
530inline QRectF QGraphicsItem::mapRectToScene(qreal ax, qreal ay, qreal w, qreal h) const
531{ return mapRectToScene(QRectF(ax, ay, w, h)); }
532inline QPolygonF QGraphicsItem::mapFromItem(const QGraphicsItem *item, qreal ax, qreal ay, qreal w, qreal h) const
533{ return mapFromItem(item, QRectF(ax, ay, w, h)); }
534inline QPolygonF QGraphicsItem::mapFromParent(qreal ax, qreal ay, qreal w, qreal h) const
535{ return mapFromParent(QRectF(ax, ay, w, h)); }
536inline QPolygonF QGraphicsItem::mapFromScene(qreal ax, qreal ay, qreal w, qreal h) const
537{ return mapFromScene(QRectF(ax, ay, w, h)); }
538inline QRectF QGraphicsItem::mapRectFromItem(const QGraphicsItem *item, qreal ax, qreal ay, qreal w, qreal h) const
539{ return mapRectFromItem(item, QRectF(ax, ay, w, h)); }
540inline QRectF QGraphicsItem::mapRectFromParent(qreal ax, qreal ay, qreal w, qreal h) const
541{ return mapRectFromParent(QRectF(ax, ay, w, h)); }
542inline QRectF QGraphicsItem::mapRectFromScene(qreal ax, qreal ay, qreal w, qreal h) const
543{ return mapRectFromScene(QRectF(ax, ay, w, h)); }
544
545
546class Q_GUI_EXPORT QGraphicsObject : public QObject, public QGraphicsItem
547{
548 Q_OBJECT
549 Q_PROPERTY(QGraphicsObject * parent READ parentObject WRITE setParentItem NOTIFY parentChanged DESIGNABLE false)
550 Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged FINAL)
551 Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
552 Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged FINAL)
553 Q_PROPERTY(QPointF pos READ pos WRITE setPos FINAL)
554 Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged FINAL)
555 Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged FINAL)
556 Q_PROPERTY(qreal z READ zValue WRITE setZValue NOTIFY zChanged FINAL)
557 Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
558 Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged)
559 Q_PROPERTY(QPointF transformOriginPoint READ transformOriginPoint WRITE setTransformOriginPoint)
560#ifndef QT_NO_GRAPHICSEFFECT
561 Q_PROPERTY(QGraphicsEffect *effect READ graphicsEffect WRITE setGraphicsEffect)
562#endif
563 Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), QDeclarativeListProperty<QGraphicsObject> children READ childrenList DESIGNABLE false NOTIFY childrenChanged)
564 Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal width READ width WRITE setWidth NOTIFY widthChanged RESET resetWidth FINAL)
565 Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal height READ height WRITE setHeight NOTIFY heightChanged RESET resetHeight FINAL)
566 Q_CLASSINFO("DefaultProperty", "children")
567 Q_INTERFACES(QGraphicsItem)
568public:
569 QGraphicsObject(QGraphicsItem *parent = 0);
570
571 // ### Qt 5: Disambiguate
572#ifdef Q_NO_USING_KEYWORD
573 const QObjectList &children() const { return QObject::children(); }
574#else
575 using QObject::children;
576#endif
577
578#ifndef QT_NO_GESTURES
579 void grabGesture(Qt::GestureType type, Qt::GestureFlags flags = Qt::GestureFlags());
580 void ungrabGesture(Qt::GestureType type);
581#endif
582
583protected Q_SLOTS:
584 void updateMicroFocus();
585
586Q_SIGNALS:
587 void parentChanged();
588 void opacityChanged();
589 void visibleChanged();
590 void enabledChanged();
591 void xChanged();
592 void yChanged();
593 void zChanged();
594 void rotationChanged();
595 void scaleChanged();
596 void childrenChanged();
597 void widthChanged();
598 void heightChanged();
599
600protected:
601 QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent, QGraphicsScene *scene);
602private:
603 friend class QGraphicsItem;
604 friend class QGraphicsItemPrivate;
605};
606
607
608class QAbstractGraphicsShapeItemPrivate;
609class Q_GUI_EXPORT QAbstractGraphicsShapeItem : public QGraphicsItem
610{
611public:
612 QAbstractGraphicsShapeItem(QGraphicsItem *parent = 0
613#ifndef Q_QDOC
614 // ### obsolete argument
615 , QGraphicsScene *scene = 0
616#endif
617 );
618 ~QAbstractGraphicsShapeItem();
619
620 QPen pen() const;
621 void setPen(const QPen &pen);
622
623 QBrush brush() const;
624 void setBrush(const QBrush &brush);
625
626 bool isObscuredBy(const QGraphicsItem *item) const;
627 QPainterPath opaqueArea() const;
628
629protected:
630 QAbstractGraphicsShapeItem(QAbstractGraphicsShapeItemPrivate &dd,
631 QGraphicsItem *parent, QGraphicsScene *scene);
632
633private:
634 Q_DISABLE_COPY(QAbstractGraphicsShapeItem)
635 Q_DECLARE_PRIVATE(QAbstractGraphicsShapeItem)
636};
637
638class QGraphicsPathItemPrivate;
639class Q_GUI_EXPORT QGraphicsPathItem : public QAbstractGraphicsShapeItem
640{
641public:
642 QGraphicsPathItem(QGraphicsItem *parent = 0
643#ifndef Q_QDOC
644 // ### obsolete argument
645 , QGraphicsScene *scene = 0
646#endif
647 );
648 QGraphicsPathItem(const QPainterPath &path, QGraphicsItem *parent = 0
649#ifndef Q_QDOC
650 // ### obsolete argument
651 , QGraphicsScene *scene = 0
652#endif
653 );
654 ~QGraphicsPathItem();
655
656 QPainterPath path() const;
657 void setPath(const QPainterPath &path);
658
659 QRectF boundingRect() const;
660 QPainterPath shape() const;
661 bool contains(const QPointF &point) const;
662
663 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
664
665 bool isObscuredBy(const QGraphicsItem *item) const;
666 QPainterPath opaqueArea() const;
667
668 enum { Type = 2 };
669 int type() const;
670
671protected:
672 bool supportsExtension(Extension extension) const;
673 void setExtension(Extension extension, const QVariant &variant);
674 QVariant extension(const QVariant &variant) const;
675
676private:
677 Q_DISABLE_COPY(QGraphicsPathItem)
678 Q_DECLARE_PRIVATE(QGraphicsPathItem)
679};
680
681class QGraphicsRectItemPrivate;
682class Q_GUI_EXPORT QGraphicsRectItem : public QAbstractGraphicsShapeItem
683{
684public:
685 QGraphicsRectItem(QGraphicsItem *parent = 0
686#ifndef Q_QDOC
687 // ### obsolete argument
688 , QGraphicsScene *scene = 0
689#endif
690 );
691 QGraphicsRectItem(const QRectF &rect, QGraphicsItem *parent = 0
692#ifndef Q_QDOC
693 // ### obsolete argument
694 , QGraphicsScene *scene = 0
695#endif
696 );
697 QGraphicsRectItem(qreal x, qreal y, qreal w, qreal h, QGraphicsItem *parent = 0
698#ifndef Q_QDOC
699 // ### obsolete argument
700 , QGraphicsScene *scene = 0
701#endif
702 );
703 ~QGraphicsRectItem();
704
705 QRectF rect() const;
706 void setRect(const QRectF &rect);
707 inline void setRect(qreal x, qreal y, qreal w, qreal h);
708
709 QRectF boundingRect() const;
710 QPainterPath shape() const;
711 bool contains(const QPointF &point) const;
712
713 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
714
715 bool isObscuredBy(const QGraphicsItem *item) const;
716 QPainterPath opaqueArea() const;
717
718 enum { Type = 3 };
719 int type() const;
720
721protected:
722 bool supportsExtension(Extension extension) const;
723 void setExtension(Extension extension, const QVariant &variant);
724 QVariant extension(const QVariant &variant) const;
725
726private:
727 Q_DISABLE_COPY(QGraphicsRectItem)
728 Q_DECLARE_PRIVATE(QGraphicsRectItem)
729};
730
731inline void QGraphicsRectItem::setRect(qreal ax, qreal ay, qreal w, qreal h)
732{ setRect(QRectF(ax, ay, w, h)); }
733
734class QGraphicsEllipseItemPrivate;
735class Q_GUI_EXPORT QGraphicsEllipseItem : public QAbstractGraphicsShapeItem
736{
737public:
738 QGraphicsEllipseItem(QGraphicsItem *parent = 0
739#ifndef Q_QDOC
740 // ### obsolete argument
741 , QGraphicsScene *scene = 0
742#endif
743 );
744 QGraphicsEllipseItem(const QRectF &rect, QGraphicsItem *parent = 0
745#ifndef Q_QDOC
746 // ### obsolete argument
747 , QGraphicsScene *scene = 0
748#endif
749 );
750 QGraphicsEllipseItem(qreal x, qreal y, qreal w, qreal h, QGraphicsItem *parent = 0
751#ifndef Q_QDOC
752 // ### obsolete argument
753 , QGraphicsScene *scene = 0
754#endif
755 );
756 ~QGraphicsEllipseItem();
757
758 QRectF rect() const;
759 void setRect(const QRectF &rect);
760 inline void setRect(qreal x, qreal y, qreal w, qreal h);
761
762 int startAngle() const;
763 void setStartAngle(int angle);
764
765 int spanAngle() const;
766 void setSpanAngle(int angle);
767
768 QRectF boundingRect() const;
769 QPainterPath shape() const;
770 bool contains(const QPointF &point) const;
771
772 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
773
774 bool isObscuredBy(const QGraphicsItem *item) const;
775 QPainterPath opaqueArea() const;
776
777 enum { Type = 4 };
778 int type() const;
779
780protected:
781 bool supportsExtension(Extension extension) const;
782 void setExtension(Extension extension, const QVariant &variant);
783 QVariant extension(const QVariant &variant) const;
784
785private:
786 Q_DISABLE_COPY(QGraphicsEllipseItem)
787 Q_DECLARE_PRIVATE(QGraphicsEllipseItem)
788};
789
790inline void QGraphicsEllipseItem::setRect(qreal ax, qreal ay, qreal w, qreal h)
791{ setRect(QRectF(ax, ay, w, h)); }
792
793class QGraphicsPolygonItemPrivate;
794class Q_GUI_EXPORT QGraphicsPolygonItem : public QAbstractGraphicsShapeItem
795{
796public:
797 QGraphicsPolygonItem(QGraphicsItem *parent = 0
798#ifndef Q_QDOC
799 // ### obsolete argument
800 , QGraphicsScene *scene = 0
801#endif
802 );
803 QGraphicsPolygonItem(const QPolygonF &polygon,
804 QGraphicsItem *parent = 0
805#ifndef Q_QDOC
806 // ### obsolete argument
807 , QGraphicsScene *scene = 0
808#endif
809 );
810 ~QGraphicsPolygonItem();
811
812 QPolygonF polygon() const;
813 void setPolygon(const QPolygonF &polygon);
814
815 Qt::FillRule fillRule() const;
816 void setFillRule(Qt::FillRule rule);
817
818 QRectF boundingRect() const;
819 QPainterPath shape() const;
820 bool contains(const QPointF &point) const;
821
822 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
823
824 bool isObscuredBy(const QGraphicsItem *item) const;
825 QPainterPath opaqueArea() const;
826
827 enum { Type = 5 };
828 int type() const;
829
830protected:
831 bool supportsExtension(Extension extension) const;
832 void setExtension(Extension extension, const QVariant &variant);
833 QVariant extension(const QVariant &variant) const;
834
835private:
836 Q_DISABLE_COPY(QGraphicsPolygonItem)
837 Q_DECLARE_PRIVATE(QGraphicsPolygonItem)
838};
839
840class QGraphicsLineItemPrivate;
841class Q_GUI_EXPORT QGraphicsLineItem : public QGraphicsItem
842{
843public:
844 QGraphicsLineItem(QGraphicsItem *parent = 0
845#ifndef Q_QDOC
846 // ### obsolete argument
847 , QGraphicsScene *scene = 0
848#endif
849 );
850 QGraphicsLineItem(const QLineF &line, QGraphicsItem *parent = 0
851#ifndef Q_QDOC
852 // ### obsolete argument
853 , QGraphicsScene *scene = 0
854#endif
855 );
856 QGraphicsLineItem(qreal x1, qreal y1, qreal x2, qreal y2, QGraphicsItem *parent = 0
857#ifndef Q_QDOC
858 // ### obsolete argument
859 , QGraphicsScene *scene = 0
860#endif
861 );
862 ~QGraphicsLineItem();
863
864 QPen pen() const;
865 void setPen(const QPen &pen);
866
867 QLineF line() const;
868 void setLine(const QLineF &line);
869 inline void setLine(qreal x1, qreal y1, qreal x2, qreal y2)
870 { setLine(QLineF(x1, y1, x2, y2)); }
871
872 QRectF boundingRect() const;
873 QPainterPath shape() const;
874 bool contains(const QPointF &point) const;
875
876 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
877
878 bool isObscuredBy(const QGraphicsItem *item) const;
879 QPainterPath opaqueArea() const;
880
881 enum { Type = 6 };
882 int type() const;
883
884protected:
885 bool supportsExtension(Extension extension) const;
886 void setExtension(Extension extension, const QVariant &variant);
887 QVariant extension(const QVariant &variant) const;
888
889private:
890 Q_DISABLE_COPY(QGraphicsLineItem)
891 Q_DECLARE_PRIVATE(QGraphicsLineItem)
892};
893
894class QGraphicsPixmapItemPrivate;
895class Q_GUI_EXPORT QGraphicsPixmapItem : public QGraphicsItem
896{
897public:
898 enum ShapeMode {
899 MaskShape,
900 BoundingRectShape,
901 HeuristicMaskShape
902 };
903
904 QGraphicsPixmapItem(QGraphicsItem *parent = 0
905#ifndef Q_QDOC
906 // ### obsolete argument
907 , QGraphicsScene *scene = 0
908#endif
909 );
910 QGraphicsPixmapItem(const QPixmap &pixmap, QGraphicsItem *parent = 0
911#ifndef Q_QDOC
912 // ### obsolete argument
913 , QGraphicsScene *scene = 0
914#endif
915 );
916 ~QGraphicsPixmapItem();
917
918 QPixmap pixmap() const;
919 void setPixmap(const QPixmap &pixmap);
920
921 Qt::TransformationMode transformationMode() const;
922 void setTransformationMode(Qt::TransformationMode mode);
923
924 QPointF offset() const;
925 void setOffset(const QPointF &offset);
926 inline void setOffset(qreal x, qreal y);
927
928 QRectF boundingRect() const;
929 QPainterPath shape() const;
930 bool contains(const QPointF &point) const;
931
932 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
933
934 bool isObscuredBy(const QGraphicsItem *item) const;
935 QPainterPath opaqueArea() const;
936
937 enum { Type = 7 };
938 int type() const;
939
940 ShapeMode shapeMode() const;
941 void setShapeMode(ShapeMode mode);
942
943protected:
944 bool supportsExtension(Extension extension) const;
945 void setExtension(Extension extension, const QVariant &variant);
946 QVariant extension(const QVariant &variant) const;
947
948private:
949 Q_DISABLE_COPY(QGraphicsPixmapItem)
950 Q_DECLARE_PRIVATE(QGraphicsPixmapItem)
951};
952
953inline void QGraphicsPixmapItem::setOffset(qreal ax, qreal ay)
954{ setOffset(QPointF(ax, ay)); }
955
956class QGraphicsTextItemPrivate;
957class QTextDocument;
958class QTextCursor;
959class Q_GUI_EXPORT QGraphicsTextItem : public QGraphicsObject
960{
961 Q_OBJECT
962 QDOC_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)
963 QDOC_PROPERTY(QTextCursor textCursor READ textCursor WRITE setTextCursor)
964
965public:
966 QGraphicsTextItem(QGraphicsItem *parent = 0
967#ifndef Q_QDOC
968 // ### obsolete argument
969 , QGraphicsScene *scene = 0
970#endif
971 );
972 QGraphicsTextItem(const QString &text, QGraphicsItem *parent = 0
973#ifndef Q_QDOC
974 // ### obsolete argument
975 , QGraphicsScene *scene = 0
976#endif
977 );
978 ~QGraphicsTextItem();
979
980 QString toHtml() const;
981 void setHtml(const QString &html);
982
983 QString toPlainText() const;
984 void setPlainText(const QString &text);
985
986 QFont font() const;
987 void setFont(const QFont &font);
988
989 void setDefaultTextColor(const QColor &c);
990 QColor defaultTextColor() const;
991
992 QRectF boundingRect() const;
993 QPainterPath shape() const;
994 bool contains(const QPointF &point) const;
995
996 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
997
998 bool isObscuredBy(const QGraphicsItem *item) const;
999 QPainterPath opaqueArea() const;
1000
1001 enum { Type = 8 };
1002 int type() const;
1003
1004 void setTextWidth(qreal width);
1005 qreal textWidth() const;
1006
1007 void adjustSize();
1008
1009 void setDocument(QTextDocument *document);
1010 QTextDocument *document() const;
1011
1012 void setTextInteractionFlags(Qt::TextInteractionFlags flags);
1013 Qt::TextInteractionFlags textInteractionFlags() const;
1014
1015 void setTabChangesFocus(bool b);
1016 bool tabChangesFocus() const;
1017
1018 void setOpenExternalLinks(bool open);
1019 bool openExternalLinks() const;
1020
1021 void setTextCursor(const QTextCursor &cursor);
1022 QTextCursor textCursor() const;
1023
1024Q_SIGNALS:
1025 void linkActivated(const QString &);
1026 void linkHovered(const QString &);
1027
1028protected:
1029 bool sceneEvent(QEvent *event);
1030 void mousePressEvent(QGraphicsSceneMouseEvent *event);
1031 void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
1032 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
1033 void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
1034 void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
1035 void keyPressEvent(QKeyEvent *event);
1036 void keyReleaseEvent(QKeyEvent *event);
1037 void focusInEvent(QFocusEvent *event);
1038 void focusOutEvent(QFocusEvent *event);
1039 void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
1040 void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
1041 void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
1042 void dropEvent(QGraphicsSceneDragDropEvent *event);
1043 void inputMethodEvent(QInputMethodEvent *event);
1044 void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
1045 void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
1046 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
1047
1048 QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
1049
1050 bool supportsExtension(Extension extension) const;
1051 void setExtension(Extension extension, const QVariant &variant);
1052 QVariant extension(const QVariant &variant) const;
1053
1054private:
1055 Q_DISABLE_COPY(QGraphicsTextItem)
1056 Q_PRIVATE_SLOT(dd, void _q_updateBoundingRect(const QSizeF &))
1057 Q_PRIVATE_SLOT(dd, void _q_update(QRectF))
1058 Q_PRIVATE_SLOT(dd, void _q_ensureVisible(QRectF))
1059 QGraphicsTextItemPrivate *dd;
1060 friend class QGraphicsTextItemPrivate;
1061};
1062
1063class QGraphicsSimpleTextItemPrivate;
1064class Q_GUI_EXPORT QGraphicsSimpleTextItem : public QAbstractGraphicsShapeItem
1065{
1066public:
1067 QGraphicsSimpleTextItem(QGraphicsItem *parent = 0
1068#ifndef Q_QDOC
1069 // ### obsolete argument
1070 , QGraphicsScene *scene = 0
1071#endif
1072 );
1073 QGraphicsSimpleTextItem(const QString &text, QGraphicsItem *parent = 0
1074#ifndef Q_QDOC
1075 // ### obsolete argument
1076 , QGraphicsScene *scene = 0
1077#endif
1078 );
1079 ~QGraphicsSimpleTextItem();
1080
1081 void setText(const QString &text);
1082 QString text() const;
1083
1084 void setFont(const QFont &font);
1085 QFont font() const;
1086
1087 QRectF boundingRect() const;
1088 QPainterPath shape() const;
1089 bool contains(const QPointF &point) const;
1090
1091 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
1092
1093 bool isObscuredBy(const QGraphicsItem *item) const;
1094 QPainterPath opaqueArea() const;
1095
1096 enum { Type = 9 };
1097 int type() const;
1098
1099protected:
1100 bool supportsExtension(Extension extension) const;
1101 void setExtension(Extension extension, const QVariant &variant);
1102 QVariant extension(const QVariant &variant) const;
1103
1104private:
1105 Q_DISABLE_COPY(QGraphicsSimpleTextItem)
1106 Q_DECLARE_PRIVATE(QGraphicsSimpleTextItem)
1107};
1108
1109class QGraphicsItemGroupPrivate;
1110class Q_GUI_EXPORT QGraphicsItemGroup : public QGraphicsItem
1111{
1112public:
1113 QGraphicsItemGroup(QGraphicsItem *parent = 0
1114#ifndef Q_QDOC
1115 // ### obsolete argument
1116 , QGraphicsScene *scene = 0
1117#endif
1118 );
1119 ~QGraphicsItemGroup();
1120
1121 void addToGroup(QGraphicsItem *item);
1122 void removeFromGroup(QGraphicsItem *item);
1123
1124 QRectF boundingRect() const;
1125 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
1126
1127 bool isObscuredBy(const QGraphicsItem *item) const;
1128 QPainterPath opaqueArea() const;
1129
1130 enum { Type = 10 };
1131 int type() const;
1132
1133private:
1134 Q_DISABLE_COPY(QGraphicsItemGroup)
1135 Q_DECLARE_PRIVATE(QGraphicsItemGroup)
1136};
1137
1138template <class T> inline T qgraphicsitem_cast(QGraphicsItem *item)
1139{
1140 return int(static_cast<T>(0)->Type) == int(QGraphicsItem::Type)
1141 || (item && int(static_cast<T>(0)->Type) == item->type()) ? static_cast<T>(item) : 0;
1142}
1143
1144template <class T> inline T qgraphicsitem_cast(const QGraphicsItem *item)
1145{
1146 return int(static_cast<T>(0)->Type) == int(QGraphicsItem::Type)
1147 || (item && int(static_cast<T>(0)->Type) == item->type()) ? static_cast<T>(item) : 0;
1148}
1149
1150#ifndef QT_NO_DEBUG_STREAM
1151Q_GUI_EXPORT QDebug operator<<(QDebug debug, QGraphicsItem *item);
1152Q_GUI_EXPORT QDebug operator<<(QDebug debug, QGraphicsObject *item);
1153Q_GUI_EXPORT QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemChange change);
1154Q_GUI_EXPORT QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemFlag flag);
1155Q_GUI_EXPORT QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemFlags flags);
1156#endif
1157
1158QT_END_NAMESPACE
1159
1160Q_DECLARE_METATYPE(QGraphicsItem *)
1161Q_DECLARE_METATYPE(QGraphicsScene *)
1162
1163QT_BEGIN_NAMESPACE
1164
1165#endif // QT_NO_GRAPHICSVIEW
1166
1167QT_END_NAMESPACE
1168
1169QT_END_HEADER
1170
1171#endif // QGRAPHICSITEM_H
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