diff options
Diffstat (limited to 'src/gui/graphicsview')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 117 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.h | 7 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 67 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 13 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicswidget.cpp | 22 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicswidget_p.cpp | 51 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicswidget_p.h | 9 |
7 files changed, 270 insertions, 16 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 948ff28..c0fb1bb 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -1131,6 +1131,9 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q } } + // Resolve depth. + invalidateDepthRecursively(); + if ((parent = newParent)) { if (parent->d_func()->scene && parent->d_func()->scene != scene) { // Move this item to its new parent's scene @@ -1181,8 +1184,6 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q } } - // Resolve depth. - invalidateDepthRecursively(); dirtySceneTransform = 1; // Restore the sub focus chain. @@ -1883,7 +1884,8 @@ void QGraphicsItem::setCacheMode(CacheMode mode, const QSize &logicalCacheSize) d_ptr->cacheMode = mode; bool noVisualChange = (mode == NoCache && lastMode == NoCache) || (mode == NoCache && lastMode == DeviceCoordinateCache) - || (mode == DeviceCoordinateCache && lastMode == NoCache); + || (mode == DeviceCoordinateCache && lastMode == NoCache) + || (mode == DeviceCoordinateCache && lastMode == DeviceCoordinateCache); if (mode == NoCache) { d_ptr->removeExtraItemCache(); } else { @@ -2177,8 +2179,12 @@ void QGraphicsItemPrivate::setVisibleHelper(bool newVisible, bool explicitly, bo QGraphicsItemCache *c = (QGraphicsItemCache *)qVariantValue<void *>(extra(ExtraCacheData)); if (c) c->purge(); - if (scene) + if (scene) { +#ifndef QT_NO_GRAPHICSEFFECT + invalidateParentGraphicsEffectsRecursively(); +#endif //QT_NO_GRAPHICSEFFECT scene->d_func()->markDirty(q_ptr, QRectF(), /*invalidateChildren=*/false, /*force=*/true); + } } // Certain properties are dropped as an item becomes invisible. @@ -5226,6 +5232,8 @@ void QGraphicsItemPrivate::addChild(QGraphicsItem *child) needSortChildren = 1; // ### maybe 0 child->d_ptr->siblingIndex = children.size(); children.append(child); + if (isObject) + emit static_cast<QGraphicsObject *>(q_ptr)->childrenChanged(); } /*! @@ -5248,6 +5256,8 @@ void QGraphicsItemPrivate::removeChild(QGraphicsItem *child) // the child is not guaranteed to be at the index after the list is sorted. // (see ensureSortedChildren()). child->d_ptr->siblingIndex = -1; + if (isObject) + emit static_cast<QGraphicsObject *>(q_ptr)->childrenChanged(); } /*! @@ -7455,6 +7465,88 @@ void QGraphicsObject::ungrabGesture(Qt::GestureType gesture) } } +void QGraphicsItemPrivate::append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item) +{ + QGraphicsItemPrivate::get(item)->setParentItemHelper(static_cast<QGraphicsObject *>(list->object), /*newParentVariant=*/0, /*thisPointerVariant=*/0); +} + +/*! + Returns a list of this item's children. + + The items are sorted by stacking order. This takes into account both the + items' insertion order and their Z-values. + +*/ +QDeclarativeListProperty<QGraphicsObject> QGraphicsItemPrivate::childrenList() +{ + Q_Q(QGraphicsItem); + if (isObject) { + QGraphicsObject *that = static_cast<QGraphicsObject *>(q); + return QDeclarativeListProperty<QGraphicsObject>(that, &children, QGraphicsItemPrivate::append); + } else { + //QGraphicsItem is not supported for this property + return QDeclarativeListProperty<QGraphicsObject>(); + } +} + +/*! + \internal + Returns the width of the item + Reimplemented by QGraphicsWidget +*/ +qreal QGraphicsItemPrivate::width() const +{ + return 0; +} + +/*! + \internal + Set the width of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::setWidth(qreal w) +{ + Q_UNUSED(w); +} + +/*! + \internal + Reset the width of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::resetWidth() +{ +} + +/*! + \internal + Returns the height of the item + Reimplemented by QGraphicsWidget +*/ +qreal QGraphicsItemPrivate::height() const +{ + return 0; +} + +/*! + \internal + Set the height of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::setHeight(qreal h) +{ + Q_UNUSED(h); +} + +/*! + \internal + Reset the height of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::resetHeight() +{ +} + /*! \property QGraphicsObject::parent \brief the parent of the item @@ -7641,6 +7733,23 @@ void QGraphicsObject::ungrabGesture(Qt::GestureType gesture) \sa scale, rotation, QGraphicsItem::transformOriginPoint() */ +/*! + \fn void QGraphicsObject::widthChanged() + \internal +*/ + +/*! + \fn void QGraphicsObject::heightChanged() + \internal +*/ + +/*! + + \fn QGraphicsObject::childrenChanged() + + This signal gets emitted whenever the children list changes + \internal +*/ /*! \class QAbstractGraphicsShapeItem diff --git a/src/gui/graphicsview/qgraphicsitem.h b/src/gui/graphicsview/qgraphicsitem.h index 56f94a2..22be64c 100644 --- a/src/gui/graphicsview/qgraphicsitem.h +++ b/src/gui/graphicsview/qgraphicsitem.h @@ -547,6 +547,10 @@ class Q_GUI_EXPORT QGraphicsObject : public QObject, public QGraphicsItem Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged) Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged) Q_PROPERTY(QPointF transformOriginPoint READ transformOriginPoint WRITE setTransformOriginPoint) + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), QDeclarativeListProperty<QGraphicsObject> children READ childrenList DESIGNABLE false NOTIFY childrenChanged) + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal width READ width WRITE setWidth NOTIFY widthChanged RESET resetWidth FINAL) + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal height READ height WRITE setHeight NOTIFY heightChanged RESET resetHeight FINAL) + Q_CLASSINFO("DefaultProperty", "children") Q_INTERFACES(QGraphicsItem) public: QGraphicsObject(QGraphicsItem *parent = 0); @@ -571,6 +575,9 @@ Q_SIGNALS: void zChanged(); void rotationChanged(); void scaleChanged(); + void childrenChanged(); + void widthChanged(); + void heightChanged(); protected: QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent, QGraphicsScene *scene); diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index de8cf56..b53c545 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -71,6 +71,62 @@ QT_BEGIN_NAMESPACE class QGraphicsItemPrivate; +#ifndef QDECLARATIVELISTPROPERTY +#define QDECLARATIVELISTPROPERTY +template<typename T> +struct QDeclarativeListProperty { + typedef void (*AppendFunction)(QDeclarativeListProperty<T> *, T*); + typedef int (*CountFunction)(QDeclarativeListProperty<T> *); + typedef T *(*AtFunction)(QDeclarativeListProperty<T> *, int); + typedef void (*ClearFunction)(QDeclarativeListProperty<T> *); + + QDeclarativeListProperty() + : object(0), data(0), append(0), count(0), at(0), clear(0), dummy1(0), dummy2(0) {} + QDeclarativeListProperty(QObject *o, QList<T *> &list) + : object(o), data(&list), append(qlist_append), count(qlist_count), at(qlist_at), + clear(qlist_clear), dummy1(0), dummy2(0) {} + QDeclarativeListProperty(QObject *o, void *d, AppendFunction a, CountFunction c = 0, AtFunction t = 0, + ClearFunction r = 0) + : object(o), data(d), append(a), count(c), at(t), clear(r), dummy1(0), dummy2(0) {} + + bool operator==(const QDeclarativeListProperty &o) const { + return object == o.object && + data == o.data && + append == o.append && + count == o.count && + at == o.at && + clear == o.clear; + } + + QObject *object; + void *data; + + AppendFunction append; + + CountFunction count; + AtFunction at; + + ClearFunction clear; + + void *dummy1; + void *dummy2; + +private: + static void qlist_append(QDeclarativeListProperty *p, T *v) { + ((QList<T *> *)p->data)->append(v); + } + static int qlist_count(QDeclarativeListProperty *p) { + return ((QList<T *> *)p->data)->count(); + } + static T *qlist_at(QDeclarativeListProperty *p, int idx) { + return ((QList<T *> *)p->data)->at(idx); + } + static void qlist_clear(QDeclarativeListProperty *p) { + return ((QList<T *> *)p->data)->clear(); + } +}; +#endif + class QGraphicsItemCache { public: @@ -237,6 +293,7 @@ public: void resolveDepth(); void addChild(QGraphicsItem *child); void removeChild(QGraphicsItem *child); + QDeclarativeListProperty<QGraphicsObject> childrenList(); void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant, const QVariant *thisPointerVariant); void childrenBoundingRectHelper(QTransform *x, QRectF *rect); @@ -423,11 +480,21 @@ public: inline QTransform transformToParent() const; inline void ensureSortedChildren(); + static void append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item); static inline bool insertionOrder(QGraphicsItem *a, QGraphicsItem *b); void ensureSequentialSiblingIndex(); inline void sendScenePosChange(); virtual void siblingOrderChange(); + // Private Properties + virtual qreal width() const; + virtual void setWidth(qreal); + virtual void resetWidth(); + + virtual qreal height() const; + virtual void setHeight(qreal); + virtual void resetHeight(); + QRectF childrenBoundingRect; QRectF needsRepaint; QMap<QWidget *, QRect> paintedViewBoundingRects; diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 29a4be8..4b612f4 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -4301,12 +4301,7 @@ static void _q_paintIntoCache(QPixmap *pix, QGraphicsItem *item, const QRegion & if (!subPix.isNull()) { // Blit the subpixmap into the main pixmap. pixmapPainter.begin(pix); - if (item->cacheMode() == QGraphicsItem::DeviceCoordinateCache - && itemToPixmap.type() > QTransform::TxTranslate) { - pixmapPainter.setCompositionMode(QPainter::CompositionMode_SourceAtop); - } else { - pixmapPainter.setCompositionMode(QPainter::CompositionMode_Source); - } + pixmapPainter.setCompositionMode(QPainter::CompositionMode_Source); pixmapPainter.setClipRegion(pixmapExposed); pixmapPainter.drawPixmap(br.topLeft(), subPix); pixmapPainter.end(); @@ -4472,6 +4467,8 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte } // Create or reuse offscreen pixmap, possibly scroll/blit from the old one. + // If the world transform is rotated we always recreate the cache to avoid + // wrong blending. bool pixModified = false; QGraphicsItemCache::DeviceData *deviceData = &itemCache->deviceData[widget]; bool invertable = true; @@ -4479,7 +4476,9 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte if (invertable) diff *= painter->worldTransform(); deviceData->lastTransform = painter->worldTransform(); - if (!invertable || diff.type() > QTransform::TxTranslate) { + if (!invertable + || diff.type() > QTransform::TxTranslate + || painter->worldTransform().type() > QTransform::TxScale) { pixModified = true; itemCache->allExposed = true; itemCache->exposed.clear(); diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp index a257e0d..c5ec01c 100644 --- a/src/gui/graphicsview/qgraphicswidget.cpp +++ b/src/gui/graphicsview/qgraphicswidget.cpp @@ -324,6 +324,14 @@ void QGraphicsWidget::resize(const QSizeF &size) */ /*! + + \fn QGraphicsWidget::geometryChanged() + + This signal gets emitted whenever the geometry of the item changes + \internal +*/ + +/*! \property QGraphicsWidget::geometry \brief the geometry of the widget @@ -334,7 +342,7 @@ void QGraphicsWidget::resize(const QSizeF &size) A side effect of calling this function is that the widget will receive a move event and a resize event. Also, if the widget has a layout assigned, the layout will activate. - + \sa geometry(), resize() */ void QGraphicsWidget::setGeometry(const QRectF &rect) @@ -391,6 +399,10 @@ void QGraphicsWidget::setGeometry(const QRectF &rect) QGraphicsSceneResizeEvent re; re.setOldSize(oldSize); re.setNewSize(newGeom.size()); + if (oldSize.width() != newGeom.size().width()) + emit widthChanged(); + if (oldSize.height() != newGeom.size().height()) + emit heightChanged(); QApplication::sendEvent(this, &re); } } @@ -568,7 +580,7 @@ void QGraphicsWidget::getWindowFrameMargins(qreal *left, qreal *top, qreal *righ void QGraphicsWidget::unsetWindowFrameMargins() { Q_D(QGraphicsWidget); - if ((d->windowFlags & Qt::Window) && (d->windowFlags & Qt::WindowType_Mask) != Qt::Popup && + if ((d->windowFlags & Qt::Window) && (d->windowFlags & Qt::WindowType_Mask) != Qt::Popup && (d->windowFlags & Qt::WindowType_Mask) != Qt::ToolTip && !(d->windowFlags & Qt::FramelessWindowHint)) { QStyleOptionTitleBar bar; d->initStyleOptionTitleBar(&bar); @@ -1175,7 +1187,7 @@ bool QGraphicsWidget::sceneEvent(QEvent *event) Returns true if \a event has been recognized and processed; otherwise, returns false. - + \sa event() */ bool QGraphicsWidget::windowFrameEvent(QEvent *event) @@ -1232,7 +1244,7 @@ Qt::WindowFrameSection QGraphicsWidget::windowFrameSectionAt(const QPointF &pos) const QRectF r = windowFrameRect(); if (!r.contains(pos)) return Qt::NoSection; - + const qreal left = r.left(); const qreal top = r.top(); const qreal right = r.right(); @@ -2358,5 +2370,5 @@ void QGraphicsWidget::dumpFocusChain() #endif QT_END_NAMESPACE - + #endif //QT_NO_GRAPHICSVIEW diff --git a/src/gui/graphicsview/qgraphicswidget_p.cpp b/src/gui/graphicsview/qgraphicswidget_p.cpp index 1835c74..6e397b6 100644 --- a/src/gui/graphicsview/qgraphicswidget_p.cpp +++ b/src/gui/graphicsview/qgraphicswidget_p.cpp @@ -44,6 +44,7 @@ #ifndef QT_NO_GRAPHICSVIEW #include <QtCore/qdebug.h> +#include <QtCore/qnumeric.h> #include "qgraphicswidget_p.h" #include "qgraphicslayout.h" #include "qgraphicsscene_p.h" @@ -825,6 +826,56 @@ void QGraphicsWidgetPrivate::setLayout_helper(QGraphicsLayout *l) } } +qreal QGraphicsWidgetPrivate::width() const +{ + Q_Q(const QGraphicsWidget); + return q->geometry().width(); +} + +void QGraphicsWidgetPrivate::setWidth(qreal w) +{ + if (qIsNaN(w)) + return; + Q_Q(QGraphicsWidget); + if (q->geometry().width() == w) + return; + + QRectF oldGeom = q->geometry(); + + q->setGeometry(QRectF(q->x(), q->y(), w, height())); +} + +void QGraphicsWidgetPrivate::resetWidth() +{ + Q_Q(QGraphicsWidget); + q->setGeometry(QRectF(q->x(), q->y(), 0, height())); +} + +qreal QGraphicsWidgetPrivate::height() const +{ + Q_Q(const QGraphicsWidget); + return q->geometry().height(); +} + +void QGraphicsWidgetPrivate::setHeight(qreal h) +{ + if (qIsNaN(h)) + return; + Q_Q(QGraphicsWidget); + if (q->geometry().height() == h) + return; + + QRectF oldGeom = q->geometry(); + + q->setGeometry(QRectF(q->x(), q->y(), width(), h)); +} + +void QGraphicsWidgetPrivate::resetHeight() +{ + Q_Q(QGraphicsWidget); + q->setGeometry(QRectF(q->x(), q->y(), width(), 0)); +} + QT_END_NAMESPACE #endif //QT_NO_GRAPHICSVIEW diff --git a/src/gui/graphicsview/qgraphicswidget_p.h b/src/gui/graphicsview/qgraphicswidget_p.h index 3ab8737..7116a23 100644 --- a/src/gui/graphicsview/qgraphicswidget_p.h +++ b/src/gui/graphicsview/qgraphicswidget_p.h @@ -131,6 +131,15 @@ public: void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event); bool hasDecoration() const; + // Private Properties + qreal width() const; + void setWidth(qreal); + void resetWidth(); + + qreal height() const; + void setHeight(qreal); + void resetHeight(); + // State inline int attributeToBitIndex(Qt::WidgetAttribute att) const { |