diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsanchorlayout_p.h')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsanchorlayout_p.h | 59 |
1 files changed, 25 insertions, 34 deletions
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.h b/src/gui/graphicsview/qgraphicsanchorlayout_p.h index c86bfa3..9ac0e19 100644 --- a/src/gui/graphicsview/qgraphicsanchorlayout_p.h +++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.h @@ -149,30 +149,14 @@ struct AnchorData : public QSimplexVariable { Sequential, Parallel }; - AnchorData(qreal minimumSize, qreal preferredSize, qreal maximumSize) - : QSimplexVariable(), from(0), to(0), - minSize(minimumSize), prefSize(preferredSize), - maxSize(maximumSize), sizeAtMinimum(preferredSize), - sizeAtPreferred(preferredSize), sizeAtMaximum(preferredSize), - graphicsAnchor(0), - skipInPreferred(0), type(Normal), hasSize(true), - isLayoutAnchor(false) {} - - AnchorData(qreal size) - : QSimplexVariable(), from(0), to(0), - minSize(size), prefSize(size), maxSize(size), - sizeAtMinimum(size), sizeAtPreferred(size), sizeAtMaximum(size), - graphicsAnchor(0), - skipInPreferred(0), type(Normal), hasSize(true), - isLayoutAnchor(false) {} AnchorData() : QSimplexVariable(), from(0), to(0), - minSize(0), prefSize(0), maxSize(0), - sizeAtMinimum(0), sizeAtPreferred(0), sizeAtMaximum(0), - graphicsAnchor(0), - skipInPreferred(0), type(Normal), hasSize(false), - isLayoutAnchor(false) {} + minSize(0), prefSize(0), expSize(0), maxSize(0), + sizeAtMinimum(0), sizeAtPreferred(0), + sizeAtExpanding(0), sizeAtMaximum(0), + graphicsAnchor(0), skipInPreferred(0), + type(Normal), hasSize(true), isLayoutAnchor(false) {} virtual void updateChildrenSizes() {} virtual void refreshSizeHints(qreal effectiveSpacing); @@ -189,9 +173,11 @@ struct AnchorData : public QSimplexVariable { { minSize = size; prefSize = size; + expSize = size; maxSize = size; sizeAtMinimum = size; sizeAtPreferred = size; + sizeAtExpanding = size; sizeAtMaximum = size; hasSize = true; } @@ -211,6 +197,7 @@ struct AnchorData : public QSimplexVariable { // size. qreal minSize; qreal prefSize; + qreal expSize; qreal maxSize; // These attributes define which sizes should that anchor be in when the @@ -218,6 +205,7 @@ struct AnchorData : public QSimplexVariable { // calculated by the Simplex solver based on the current layout setup. qreal sizeAtMinimum; qreal sizeAtPreferred; + qreal sizeAtExpanding; qreal sizeAtMaximum; QGraphicsAnchor *graphicsAnchor; @@ -225,15 +213,6 @@ struct AnchorData : public QSimplexVariable { uint type : 2; // either Normal, Sequential or Parallel uint hasSize : 1; // if false, get size from style. uint isLayoutAnchor : 1; // if this anchor is connected to a layout 'edge' -protected: - AnchorData(Type type, qreal size = 0) - : QSimplexVariable(), from(0), to(0), - minSize(size), prefSize(size), - maxSize(size), sizeAtMinimum(size), - sizeAtPreferred(size), sizeAtMaximum(size), - graphicsAnchor(0), - skipInPreferred(0), type(type), hasSize(true), - isLayoutAnchor(false) {} }; #ifdef QT_DEBUG @@ -245,8 +224,9 @@ inline QString AnchorData::toString() const struct SequentialAnchorData : public AnchorData { - SequentialAnchorData() : AnchorData(AnchorData::Sequential) + SequentialAnchorData() : AnchorData() { + type = AnchorData::Sequential; #ifdef QT_DEBUG name = QLatin1String("SequentialAnchorData"); #endif @@ -255,6 +235,8 @@ struct SequentialAnchorData : public AnchorData virtual void updateChildrenSizes(); virtual void refreshSizeHints(qreal effectiveSpacing); + void refreshSizeHints_helper(qreal effectiveSpacing, bool refreshChildren = true); + void setVertices(const QVector<AnchorVertex*> &vertices) { m_children = vertices; @@ -270,9 +252,10 @@ struct SequentialAnchorData : public AnchorData struct ParallelAnchorData : public AnchorData { ParallelAnchorData(AnchorData *first, AnchorData *second) - : AnchorData(AnchorData::Parallel), - firstEdge(first), secondEdge(second) + : AnchorData(), firstEdge(first), secondEdge(second) { + type = AnchorData::Parallel; + // ### Those asserts force that both child anchors have the same direction, // but can't we simplify a pair of anchors in opposite directions? Q_ASSERT(first->from == second->from); @@ -287,6 +270,8 @@ struct ParallelAnchorData : public AnchorData virtual void updateChildrenSizes(); virtual void refreshSizeHints(qreal effectiveSpacing); + void refreshSizeHints_helper(qreal effectiveSpacing, bool refreshChildren = true); + AnchorData* firstEdge; AnchorData* secondEdge; }; @@ -355,7 +340,8 @@ public: // Interval represents which interpolation interval are we operating in. enum Interval { MinToPreferred = 0, - PreferredToMax + PreferredToExpanding, + ExpandingToMax }; // Several structures internal to the layout are duplicated to handle @@ -457,6 +443,8 @@ public: void constraintsFromPaths(Orientation orientation); QList<QSimplexConstraint *> constraintsFromSizeHints(const QList<AnchorData *> &anchors); QList<QList<QSimplexConstraint *> > getGraphParts(Orientation orientation); + void identifyFloatItems(const QSet<AnchorData *> &visited, Orientation orientation); + void identifyNonFloatItems_helper(const AnchorData *ad, QSet<QGraphicsLayoutItem *> *nonFloatingItemsIdentifiedSoFar); inline AnchorVertex *internalVertex(const QPair<QGraphicsLayoutItem*, Qt::AnchorPoint> &itemEdge) const { @@ -486,6 +474,7 @@ public: bool solveMinMax(QList<QSimplexConstraint *> constraints, GraphPath path, qreal *min, qreal *max); bool solvePreferred(QList<QSimplexConstraint *> constraints); + void solveExpanding(QList<QSimplexConstraint *> constraints); bool hasConflicts() const; #ifdef QT_DEBUG @@ -496,6 +485,7 @@ public: qreal spacings[NOrientations]; // Size hints from simplex engine qreal sizeHints[2][3]; + qreal sizeAtExpanding[2]; // Items QVector<QGraphicsLayoutItem *> items; @@ -521,6 +511,7 @@ public: // ### bool graphSimplified[2]; bool graphHasConflicts[2]; + QSet<QGraphicsLayoutItem *> m_floatItems[2]; uint calculateGraphCacheDirty : 1; }; |