diff options
Diffstat (limited to 'src/gui/graphicsview')
-rw-r--r-- | src/gui/graphicsview/qgraph_p.h | 12 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsanchorlayout_p.cpp | 61 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsanchorlayout_p.h | 4 |
3 files changed, 39 insertions, 38 deletions
diff --git a/src/gui/graphicsview/qgraph_p.h b/src/gui/graphicsview/qgraph_p.h index f1fa185..b5b3c88 100644 --- a/src/gui/graphicsview/qgraph_p.h +++ b/src/gui/graphicsview/qgraph_p.h @@ -201,11 +201,6 @@ public: return l; } - void setRootVertex(Vertex *vertex) - { - userVertex = vertex; - } - QSet<Vertex*> vertices() const { QSet<Vertex *> setOfVertices; for (const_iterator it = constBegin(); it != constEnd(); ++it) { @@ -256,11 +251,6 @@ public: } #endif - Vertex *rootVertex() const - { - return userVertex; - } - protected: void createDirectedEdge(Vertex *from, Vertex *to, EdgeData *data) { @@ -286,8 +276,6 @@ protected: } private: - Vertex *userVertex; - QHash<Vertex *, QHash<Vertex *, EdgeData *> *> m_graph; }; diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp index 41aa8aa..6bffd09 100644 --- a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp +++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp @@ -484,6 +484,10 @@ QGraphicsAnchorLayoutPrivate::QGraphicsAnchorLayoutPrivate() spacings[i] = -1; graphSimplified[i] = false; graphHasConflicts[i] = false; + + layoutFirstVertex[i] = 0; + layoutCentralVertex[i] = 0; + layoutLastVertex[i] = 0; } } @@ -663,7 +667,7 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraph(Orientation orientation) orientation == Horizontal ? "Horizontal" : "Vertical"); #endif - if (!graph[orientation].rootVertex()) + if (!layoutFirstVertex[orientation]) return true; bool dirty; @@ -700,7 +704,7 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraphIteration(QGraphicsAnchorLayoutP QSet<AnchorVertex *> visited; QStack<QPair<AnchorVertex *, AnchorVertex *> > stack; - stack.push(qMakePair(static_cast<AnchorVertex *>(0), g.rootVertex())); + stack.push(qMakePair(static_cast<AnchorVertex *>(0), layoutFirstVertex[orientation])); QVector<AnchorVertex*> candidates; bool candidatesForward; @@ -959,9 +963,10 @@ void QGraphicsAnchorLayoutPrivate::createLayoutEdges() data->maxSize = QWIDGETSIZE_MAX; data->skipInPreferred = 1; - // Set the Layout Left edge as the root of the horizontal graph. - AnchorVertex *v = internalVertex(layout, Qt::AnchorLeft); - graph[Horizontal].setRootVertex(v); + // Save a reference to layout vertices + layoutFirstVertex[Horizontal] = internalVertex(layout, Qt::AnchorLeft); + layoutCentralVertex[Horizontal] = 0; + layoutLastVertex[Horizontal] = internalVertex(layout, Qt::AnchorRight); // Vertical data = new AnchorData; @@ -970,9 +975,10 @@ void QGraphicsAnchorLayoutPrivate::createLayoutEdges() data->maxSize = QWIDGETSIZE_MAX; data->skipInPreferred = 1; - // Set the Layout Top edge as the root of the vertical graph. - v = internalVertex(layout, Qt::AnchorTop); - graph[Vertical].setRootVertex(v); + // Save a reference to layout vertices + layoutFirstVertex[Vertical] = internalVertex(layout, Qt::AnchorTop); + layoutCentralVertex[Vertical] = 0; + layoutLastVertex[Vertical] = internalVertex(layout, Qt::AnchorBottom); } void QGraphicsAnchorLayoutPrivate::deleteLayoutEdges() @@ -1019,6 +1025,8 @@ void QGraphicsAnchorLayoutPrivate::createItemEdges(QGraphicsLayoutItem *item) void QGraphicsAnchorLayoutPrivate::createCenterAnchors( QGraphicsLayoutItem *item, Qt::AnchorPoint centerEdge) { + Q_Q(QGraphicsAnchorLayout); + Orientation orientation; switch (centerEdge) { case Qt::AnchorHorizontalCenter: @@ -1073,12 +1081,19 @@ void QGraphicsAnchorLayoutPrivate::createCenterAnchors( // Remove old one removeAnchor_helper(first, last); + + if (item == q) { + layoutCentralVertex[orientation] = internalVertex(q, centerEdge); + } + } void QGraphicsAnchorLayoutPrivate::removeCenterAnchors( QGraphicsLayoutItem *item, Qt::AnchorPoint centerEdge, bool substitute) { + Q_Q(QGraphicsAnchorLayout); + Orientation orientation; switch (centerEdge) { case Qt::AnchorHorizontalCenter: @@ -1151,6 +1166,10 @@ void QGraphicsAnchorLayoutPrivate::removeCenterAnchors( // by this time, the center vertex is deleted and merged into a non-centered internal anchor removeAnchor_helper(first, internalVertex(item, lastEdge)); } + + if (item == q) { + layoutCentralVertex[orientation] = 0; + } } @@ -1773,7 +1792,7 @@ void QGraphicsAnchorLayoutPrivate::calculateGraphs( // For minimum and maximum, use the path between the two layout sides as the // objective function. - AnchorVertex *v = internalVertex(q, pickEdge(Qt::AnchorRight, orientation)); + AnchorVertex *v = layoutLastVertex[orientation]; GraphPath trunkPath = graphPaths[orientation].value(v); bool feasible = calculateTrunk(orientation, trunkPath, trunkConstraints, trunkVariables); @@ -1955,7 +1974,7 @@ void QGraphicsAnchorLayoutPrivate::findPaths(Orientation orientation) QSet<AnchorData *> visited; - AnchorVertex *root = graph[orientation].rootVertex(); + AnchorVertex *root = layoutFirstVertex[orientation]; graphPaths[orientation].insert(root, GraphPath()); @@ -2077,28 +2096,18 @@ QGraphicsAnchorLayoutPrivate::getGraphParts(Orientation orientation) { Q_Q(QGraphicsAnchorLayout); - // Find layout vertices and edges for the current orientation. - AnchorVertex *layoutFirstVertex = \ - internalVertex(q, pickEdge(Qt::AnchorLeft, orientation)); - - AnchorVertex *layoutCentralVertex = \ - internalVertex(q, pickEdge(Qt::AnchorHorizontalCenter, orientation)); - - AnchorVertex *layoutLastVertex = \ - internalVertex(q, pickEdge(Qt::AnchorRight, orientation)); - - Q_ASSERT(layoutFirstVertex && layoutLastVertex); + Q_ASSERT(layoutFirstVertex[orientation] && layoutLastVertex[orientation]); AnchorData *edgeL1 = NULL; AnchorData *edgeL2 = NULL; // The layout may have a single anchor between Left and Right or two half anchors // passing through the center - if (layoutCentralVertex) { - edgeL1 = graph[orientation].edgeData(layoutFirstVertex, layoutCentralVertex); - edgeL2 = graph[orientation].edgeData(layoutCentralVertex, layoutLastVertex); + if (layoutCentralVertex[orientation]) { + edgeL1 = graph[orientation].edgeData(layoutFirstVertex[orientation], layoutCentralVertex[orientation]); + edgeL2 = graph[orientation].edgeData(layoutCentralVertex[orientation], layoutLastVertex[orientation]); } else { - edgeL1 = graph[orientation].edgeData(layoutFirstVertex, layoutLastVertex); + edgeL1 = graph[orientation].edgeData(layoutFirstVertex[orientation], layoutLastVertex[orientation]); } QLinkedList<QSimplexConstraint *> remainingConstraints; @@ -2288,7 +2297,7 @@ void QGraphicsAnchorLayoutPrivate::calculateVertexPositions( QSet<AnchorVertex *> visited; // Get root vertex - AnchorVertex *root = graph[orientation].rootVertex(); + AnchorVertex *root = layoutFirstVertex[orientation]; root->distance = 0; visited.insert(root); diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.h b/src/gui/graphicsview/qgraphicsanchorlayout_p.h index 7dd0d65..7d7bdb6 100644 --- a/src/gui/graphicsview/qgraphicsanchorlayout_p.h +++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.h @@ -504,6 +504,10 @@ public: // Internal graph of anchorage points and anchors, for both orientations Graph<AnchorVertex, AnchorData> graph[2]; + AnchorVertex *layoutFirstVertex[2]; + AnchorVertex *layoutCentralVertex[2]; + AnchorVertex *layoutLastVertex[2]; + // Graph paths and constraints, for both orientations QMultiHash<AnchorVertex *, GraphPath> graphPaths[2]; QList<QSimplexConstraint *> constraints[2]; |