summaryrefslogtreecommitdiffstats
path: root/src/gui/graphicsview/qgraphicsscene_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/graphicsview/qgraphicsscene_p.h')
-rw-r--r--src/gui/graphicsview/qgraphicsscene_p.h127
1 files changed, 42 insertions, 85 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h
index dc720a7..ffd62d5 100644
--- a/src/gui/graphicsview/qgraphicsscene_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_p.h
@@ -59,7 +59,6 @@
#include "qgraphicssceneevent.h"
#include "qgraphicsview.h"
-#include "qgraphicsscene_bsp_p.h"
#include "qgraphicsitem_p.h"
#include <private/qobject_p.h>
@@ -72,10 +71,9 @@
#include <QtGui/qstyle.h>
#include <QtGui/qstyleoption.h>
-static const int QGRAPHICSSCENE_INDEXTIMER_TIMEOUT = 2000;
-
QT_BEGIN_NAMESPACE
+class QGraphicsSceneIndex;
class QGraphicsView;
class QGraphicsWidget;
@@ -86,24 +84,19 @@ public:
QGraphicsScenePrivate();
void init();
+ static QGraphicsScenePrivate *get(QGraphicsScene *q);
+
quint32 changedSignalMask;
QGraphicsScene::ItemIndexMethod indexMethod;
- int bspTreeDepth;
-
- QList<QGraphicsItem *> estimateItemsInRect(const QRectF &rect) const;
- void addToIndex(QGraphicsItem *item);
- void removeFromIndex(QGraphicsItem *item);
- void resetIndex();
+ QGraphicsSceneIndex *index;
- QGraphicsSceneBspTree bspTree;
- void _q_updateIndex();
int lastItemCount;
QRectF sceneRect;
bool hasSceneRect;
+ bool dirtyGrowingItemsBoundingRect;
QRectF growingItemsBoundingRect;
- QRectF largestUntransformableItem;
void _q_emitUpdated();
QList<QRectF> updatedRects;
@@ -114,9 +107,6 @@ public:
QPainterPath selectionArea;
int selectionChanging;
QSet<QGraphicsItem *> selectedItems;
- QList<QGraphicsItem *> unindexedItems;
- QList<QGraphicsItem *> indexedItems;
- QList<QGraphicsItem *> pendingUpdateItems;
QList<QGraphicsItem *> unpolishedItems;
QList<QGraphicsItem *> topLevelItems;
bool needSortTopLevelItems;
@@ -128,21 +118,11 @@ public:
void _q_processDirtyItems();
- QList<int> freeItemIndexes;
- bool regenerateIndex;
-
- bool purgePending;
void removeItemHelper(QGraphicsItem *item);
- QSet<QGraphicsItem *> removedItems;
- void purgeRemovedItems();
QBrush backgroundBrush;
QBrush foregroundBrush;
- int indexTimerId;
- bool restartIndexTimer;
- void startIndexTimer(int interval = QGRAPHICSSCENE_INDEXTIMER_TIMEOUT);
-
bool stickyFocus;
bool hasFocus;
QGraphicsItem *focusItem;
@@ -181,7 +161,6 @@ public:
QList<QGraphicsItem *> itemsAtPosition(const QPoint &screenPos,
const QPointF &scenePos,
QWidget *widget) const;
- static bool itemCollidesWithPath(QGraphicsItem *item, const QPainterPath &path, Qt::ItemSelectionMode mode);
void storeMouseButtonsForMouseGrabber(QGraphicsSceneMouseEvent *event);
QList<QGraphicsView *> views;
@@ -210,69 +189,14 @@ public:
void mousePressEventHandler(QGraphicsSceneMouseEvent *mouseEvent);
QGraphicsWidget *windowForItem(const QGraphicsItem *item) const;
- QList<QGraphicsItem *> topLevelItemsInStackingOrder(const QTransform *const, QRegion *);
- void recursive_items_helper(QGraphicsItem *item, QRectF rect, QList<QGraphicsItem *> *items,
- const QTransform &parentTransform, const QTransform &viewTransform,
- Qt::ItemSelectionMode mode, Qt::SortOrder order, qreal parentOpacity = 1.0) const;
-
- QList<QGraphicsItem *> items_helper(const QPointF &pos) const;
- QList<QGraphicsItem *> items_helper(const QRectF &rect,
- Qt::ItemSelectionMode mode,
- Qt::SortOrder order) const;
- QList<QGraphicsItem *> items_helper(const QPolygonF &rect,
- Qt::ItemSelectionMode mode,
- Qt::SortOrder order) const;
- QList<QGraphicsItem *> items_helper(const QPainterPath &rect,
- Qt::ItemSelectionMode mode,
- Qt::SortOrder order) const;
- void childItems_helper(QList<QGraphicsItem *> *items,
- const QGraphicsItem *parent,
- const QPointF &pos) const;
- void childItems_helper(QList<QGraphicsItem *> *items,
- const QGraphicsItem *parent,
- const QRectF &rect,
- Qt::ItemSelectionMode mode) const;
- void childItems_helper(QList<QGraphicsItem *> *items,
- const QGraphicsItem *parent,
- const QPolygonF &polygon,
- Qt::ItemSelectionMode mode) const;
- void childItems_helper(QList<QGraphicsItem *> *items,
- const QGraphicsItem *parent,
- const QPainterPath &path,
- Qt::ItemSelectionMode mode) const;
-
- bool sortCacheEnabled;
- bool updatingSortCache;
- void invalidateSortCache();
- static void climbTree(QGraphicsItem *item, int *stackingOrder);
- void _q_updateSortCache();
-
- static bool closestItemFirst_withoutCache(const QGraphicsItem *item1, const QGraphicsItem *item2);
- static bool closestItemLast_withoutCache(const QGraphicsItem *item1, const QGraphicsItem *item2);
-
- static inline bool closestItemFirst_withCache(const QGraphicsItem *item1, const QGraphicsItem *item2)
- {
- return item1->d_ptr->globalStackingOrder < item2->d_ptr->globalStackingOrder;
- }
- static inline bool closestItemLast_withCache(const QGraphicsItem *item1, const QGraphicsItem *item2)
- {
- return item1->d_ptr->globalStackingOrder >= item2->d_ptr->globalStackingOrder;
- }
-
- static void sortItems(QList<QGraphicsItem *> *itemList, Qt::SortOrder order, bool cached);
+ bool sortCacheEnabled; // for compatibility
void drawItemHelper(QGraphicsItem *item, QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget,
bool painterStateProtection);
- inline void drawItems(QPainter *painter, const QTransform *const viewTransform,
- QRegion *exposedRegion, QWidget *widget)
- {
- const QList<QGraphicsItem *> tli = topLevelItemsInStackingOrder(viewTransform, exposedRegion);
- for (int i = 0; i < tli.size(); ++i)
- drawSubtreeRecursive(tli.at(i), painter, viewTransform, exposedRegion, widget);
- return;
- }
+ void drawItems(QPainter *painter, const QTransform *const viewTransform,
+ QRegion *exposedRegion, QWidget *widget);
void drawSubtreeRecursive(QGraphicsItem *item, QPainter *painter, const QTransform *const,
QRegion *exposedRegion, QWidget *widget, qreal parentOpacity = qreal(1.0));
@@ -282,18 +206,32 @@ public:
void processDirtyItemsRecursive(QGraphicsItem *item, bool dirtyAncestorContainsChildren = false,
qreal parentOpacity = qreal(1.0));
- inline void resetDirtyItem(QGraphicsItem *item)
+ inline void resetDirtyItem(QGraphicsItem *item, bool recursive = false)
{
Q_ASSERT(item);
item->d_ptr->dirty = 0;
item->d_ptr->paintedViewBoundingRectsNeedRepaint = 0;
item->d_ptr->geometryChanged = 0;
+ if (!item->d_ptr->dirtyChildren)
+ recursive = false;
item->d_ptr->dirtyChildren = 0;
item->d_ptr->needsRepaint = QRectF();
item->d_ptr->allChildrenDirty = 0;
item->d_ptr->fullUpdatePending = 0;
item->d_ptr->ignoreVisible = 0;
item->d_ptr->ignoreOpacity = 0;
+ if (recursive) {
+ for (int i = 0; i < item->d_ptr->children.size(); ++i)
+ resetDirtyItem(item->d_ptr->children.at(i), recursive);
+ }
+ }
+
+ inline void ensureSortedTopLevelItems()
+ {
+ if (needSortTopLevelItems) {
+ qSort(topLevelItems.begin(), topLevelItems.end(), qt_notclosestLeaf);
+ needSortTopLevelItems = false;
+ }
}
QStyle *style;
@@ -320,6 +258,25 @@ public:
void updateInputMethodSensitivityInViews();
};
+// QRectF::intersects() returns false always if either the source or target
+// rectangle's width or height are 0. This works around that problem.
+static inline void _q_adjustRect(QRectF *rect)
+{
+ Q_ASSERT(rect);
+ if (!rect->width())
+ rect->adjust(-0.00001, 0, 0.00001, 0);
+ if (!rect->height())
+ rect->adjust(0, -0.00001, 0, 0.00001);
+}
+
+static inline QRectF adjustedItemBoundingRect(const QGraphicsItem *item)
+{
+ Q_ASSERT(item);
+ QRectF boundingRect(item->boundingRect());
+ _q_adjustRect(&boundingRect);
+ return boundingRect;
+}
+
QT_END_NAMESPACE
#endif // QT_NO_GRAPHICSVIEW