diff options
Diffstat (limited to 'src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp')
| -rw-r--r-- | src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp | 53 |
1 files changed, 24 insertions, 29 deletions
diff --git a/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp b/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp index dac8e61645..e8501474a5 100644 --- a/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp +++ b/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp @@ -31,6 +31,8 @@ ** ****************************************************************************/ +#include "qgraphicsanchorlayout_p.h" + #include <QtWidgets/qwidget.h> #include <QtWidgets/qapplication.h> #include <QtCore/qlinkedlist.h> @@ -40,7 +42,7 @@ #include <QtCore/qfile.h> #endif -#include "qgraphicsanchorlayout_p.h" +#include <numeric> #ifndef QT_NO_GRAPHICSVIEW QT_BEGIN_NAMESPACE @@ -602,10 +604,10 @@ QSimplexConstraint *GraphPath::constraint(const GraphPath &path) const QString GraphPath::toString() const { QString string(QLatin1String("Path: ")); - foreach(AnchorData *edge, positives) + for (AnchorData *edge : positives) string += QString::fromLatin1(" (+++) %1").arg(edge->toString()); - foreach(AnchorData *edge, negatives) + for (AnchorData *edge : negatives) string += QString::fromLatin1(" (---) %1").arg(edge->toString()); return string; @@ -1932,8 +1934,7 @@ void QGraphicsAnchorLayoutPrivate::removeVertex(QGraphicsLayoutItem *item, Qt::A if (AnchorVertex *v = internalVertex(item, edge)) { Graph<AnchorVertex, AnchorData> &g = graph[edgeOrientation(edge)]; const QList<AnchorVertex *> allVertices = graph[edgeOrientation(edge)].adjacentVertices(v); - AnchorVertex *v2; - foreach (v2, allVertices) { + for (auto *v2 : allVertices) { g.removeEdge(v, v2); removeInternalVertex(item, edge); removeInternalVertex(v2->m_item, v2->m_edge); @@ -2057,9 +2058,8 @@ QList<AnchorData *> getVariables(const QList<QSimplexConstraint *> &constraints) QSet<AnchorData *> variableSet; for (int i = 0; i < constraints.count(); ++i) { const QSimplexConstraint *c = constraints.at(i); - foreach (QSimplexVariable *var, c->variables.keys()) { - variableSet += static_cast<AnchorData *>(var); - } + for (auto it = c->variables.cbegin(), end = c->variables.cend(); it != end; ++it) + variableSet.insert(static_cast<AnchorData *>(it.key())); } return variableSet.toList(); } @@ -2180,10 +2180,7 @@ static void shiftConstraints(const QList<QSimplexConstraint *> &constraints, qre { for (int i = 0; i < constraints.count(); ++i) { QSimplexConstraint *c = constraints.at(i); - qreal multiplier = 0; - foreach (qreal v, c->variables) { - multiplier += v; - } + const qreal multiplier = std::accumulate(c->variables.cbegin(), c->variables.cend(), qreal(0)); c->constant += multiplier * amount; } } @@ -2223,12 +2220,10 @@ bool QGraphicsAnchorLayoutPrivate::calculateTrunk(Orientation orientation, const // Calculate and set the preferred size for the layout, // from the edge sizes that were calculated above. qreal pref(0.0); - foreach (const AnchorData *ad, path.positives) { + for (const AnchorData *ad : path.positives) pref += ad->sizeAtPreferred; - } - foreach (const AnchorData *ad, path.negatives) { + for (const AnchorData *ad : path.negatives) pref -= ad->sizeAtPreferred; - } sizeHints[orientation][Qt::MinimumSize] = min; sizeHints[orientation][Qt::PreferredSize] = pref; @@ -2323,9 +2318,9 @@ void QGraphicsAnchorLayoutPrivate::findPaths(Orientation orientation) graphPaths[orientation].insert(root, GraphPath()); - foreach (AnchorVertex *v, graph[orientation].adjacentVertices(root)) { + const auto adjacentVertices = graph[orientation].adjacentVertices(root); + for (AnchorVertex *v : adjacentVertices) queue.enqueue(qMakePair(root, v)); - } while(!queue.isEmpty()) { QPair<AnchorVertex *, AnchorVertex *> pair = queue.dequeue(); @@ -2344,10 +2339,9 @@ void QGraphicsAnchorLayoutPrivate::findPaths(Orientation orientation) graphPaths[orientation].insert(pair.second, current); - foreach (AnchorVertex *v, - graph[orientation].adjacentVertices(pair.second)) { + const auto adjacentVertices = graph[orientation].adjacentVertices(pair.second); + for (AnchorVertex *v : adjacentVertices) queue.enqueue(qMakePair(pair.second, v)); - } } // We will walk through every reachable items (non-float) store them in a temporary set. @@ -2368,8 +2362,8 @@ void QGraphicsAnchorLayoutPrivate::findPaths(Orientation orientation) */ void QGraphicsAnchorLayoutPrivate::constraintsFromPaths(Orientation orientation) { - foreach (AnchorVertex *vertex, graphPaths[orientation].uniqueKeys()) - { + const auto vertices = graphPaths[orientation].uniqueKeys(); + for (AnchorVertex *vertex : vertices) { int valueCount = graphPaths[orientation].count(vertex); if (valueCount == 1) continue; @@ -2550,7 +2544,8 @@ QGraphicsAnchorLayoutPrivate::getGraphParts(Orientation orientation) // remaining constraints. if (match) { trunkConstraints += c; - trunkVariables += QSet<QSimplexVariable *>::fromList(c->variables.keys()); + for (auto jt = c->variables.cbegin(), end = c->variables.cend(); jt != end; ++jt) + trunkVariables.insert(jt.key()); it = remainingConstraints.erase(it); dirty = true; } else { @@ -2593,7 +2588,7 @@ void QGraphicsAnchorLayoutPrivate::identifyFloatItems(const QSet<AnchorData *> & { QSet<QGraphicsLayoutItem *> nonFloating; - foreach (const AnchorData *ad, visited) + for (const AnchorData *ad : visited) identifyNonFloatItems_helper(ad, &nonFloating); QSet<QGraphicsLayoutItem *> allItems; @@ -2707,9 +2702,9 @@ void QGraphicsAnchorLayoutPrivate::calculateVertexPositions( visited.insert(root); // Add initial edges to the queue - foreach (AnchorVertex *v, graph[orientation].adjacentVertices(root)) { + const auto adjacentVertices = graph[orientation].adjacentVertices(root); + for (AnchorVertex *v : adjacentVertices) queue.enqueue(qMakePair(root, v)); - } // Do initial calculation required by "interpolateEdge()" setupEdgesInterpolation(orientation); @@ -2796,7 +2791,7 @@ void QGraphicsAnchorLayoutPrivate::interpolateEdge(AnchorVertex *base, AnchorDat } bool QGraphicsAnchorLayoutPrivate::solveMinMax(const QList<QSimplexConstraint *> &constraints, - GraphPath path, qreal *min, qreal *max) + const GraphPath &path, qreal *min, qreal *max) { QSimplex simplex; bool feasible = simplex.setConstraints(constraints); @@ -2983,7 +2978,7 @@ void QGraphicsAnchorLayoutPrivate::dumpGraph(const QString &name) { QFile file(QString::fromLatin1("anchorlayout.%1.dot").arg(name)); if (!file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) - qWarning("Could not write to %s", file.fileName().toLocal8Bit().constData()); + qWarning("Could not write to %ls", qUtf16Printable(file.fileName())); QString str = QString::fromLatin1("digraph anchorlayout {\nnode [shape=\"rect\"]\n%1}"); QString dotContents = graph[0].serializeToDot(); |