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-rw-r--r--src/gui/graphicsview/qgraphicsanchorlayout_p.cpp63
1 files changed, 27 insertions, 36 deletions
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
index 318ce20..ff3fe69 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
@@ -880,48 +880,40 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraphIteration(QGraphicsAnchorLayoutP
return false;
}
-static void restoreSimplifiedAnchor(Graph<AnchorVertex, AnchorData> &g,
- AnchorData *edge,
- AnchorVertex *before,
- AnchorVertex *after)
+static void restoreSimplifiedAnchor(Graph<AnchorVertex, AnchorData> &g, AnchorData *edge)
{
- Q_ASSERT(edge->type != AnchorData::Normal);
#if 0
static const char *anchortypes[] = {"Normal",
"Sequential",
"Parallel"};
qDebug("Restoring %s edge.", anchortypes[int(edge->type)]);
#endif
- if (edge->type == AnchorData::Sequential) {
- SequentialAnchorData* seqEdge = static_cast<SequentialAnchorData*>(edge);
- // restore the sequential anchor
- AnchorVertex *prev = before;
- AnchorVertex *last = after;
- if (edge->from != prev)
- qSwap(last, prev);
-
- for (int i = 0; i < seqEdge->m_edges.count(); ++i) {
- AnchorVertex *v1 = (i < seqEdge->m_children.count()) ? seqEdge->m_children.at(i) : last;
- AnchorData *data = seqEdge->m_edges.at(i);
- if (data->type != AnchorData::Normal) {
- restoreSimplifiedAnchor(g, data, prev, v1);
- } else {
- g.createEdge(prev, v1, data);
- }
- prev = v1;
+
+ if (edge->type == AnchorData::Normal) {
+ g.createEdge(edge->from, edge->to, edge);
+
+ } else if (edge->type == AnchorData::Sequential) {
+ SequentialAnchorData *sequence = static_cast<SequentialAnchorData *>(edge);
+
+ for (int i = 0; i < sequence->m_edges.count(); ++i) {
+ AnchorData *data = sequence->m_edges.at(i);
+ restoreSimplifiedAnchor(g, data);
}
+
+ delete sequence;
+
} else if (edge->type == AnchorData::Parallel) {
- ParallelAnchorData* parallelEdge = static_cast<ParallelAnchorData*>(edge);
- AnchorData *parallelEdges[2] = {parallelEdge->firstEdge,
- parallelEdge->secondEdge};
- for (int i = 0; i < 2; ++i) {
- AnchorData *data = parallelEdges[i];
- if (data->type == AnchorData::Normal) {
- g.createEdge(before, after, data);
- } else {
- restoreSimplifiedAnchor(g, data, before, after);
- }
- }
+ ParallelAnchorData* parallel = static_cast<ParallelAnchorData*>(edge);
+
+ // ### Because of the way parallel anchors are created in the anchor simplification
+ // algorithm, we know that one of these will be a sequence, so it'll be safe if the other
+ // anchor create an edge between the same vertices as the parallel.
+ Q_ASSERT(parallel->firstEdge->type == AnchorData::Sequential
+ || parallel->secondEdge->type == AnchorData::Sequential);
+ restoreSimplifiedAnchor(g, parallel->firstEdge);
+ restoreSimplifiedAnchor(g, parallel->secondEdge);
+
+ delete parallel;
}
}
@@ -944,9 +936,8 @@ void QGraphicsAnchorLayoutPrivate::restoreSimplifiedGraph(Orientation orientatio
AnchorVertex *v2 = connections.at(i).second;
AnchorData *edge = g.edgeData(v1, v2);
if (edge->type != AnchorData::Normal) {
- AnchorData *oldEdge = g.takeEdge(v1, v2);
- restoreSimplifiedAnchor(g, edge, v1, v2);
- delete oldEdge;
+ g.takeEdge(v1, v2);
+ restoreSimplifiedAnchor(g, edge);
}
}
}