summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/gui/graphicsview/qgraphicsanchorlayout.cpp3
-rw-r--r--src/gui/graphicsview/qgraphicsanchorlayout_p.cpp89
-rw-r--r--src/gui/graphicsview/qgraphicsanchorlayout_p.h2
3 files changed, 22 insertions, 72 deletions
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout.cpp b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
index 872ec3c..7e5929e 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
@@ -477,9 +477,6 @@ void QGraphicsAnchorLayout::removeAt(int index)
return;
// Removing an item affects both horizontal and vertical graphs
- d->restoreSimplifiedGraph(QGraphicsAnchorLayoutPrivate::Horizontal);
- d->restoreSimplifiedGraph(QGraphicsAnchorLayoutPrivate::Vertical);
-
d->removeCenterConstraints(item, QGraphicsAnchorLayoutPrivate::Horizontal);
d->removeCenterConstraints(item, QGraphicsAnchorLayoutPrivate::Vertical);
d->removeAnchors(item);
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
index 8520ebd..5b1e36c 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.cpp
@@ -62,8 +62,6 @@ QGraphicsAnchorPrivate::QGraphicsAnchorPrivate(int version)
QGraphicsAnchorPrivate::~QGraphicsAnchorPrivate()
{
- // ###
- layoutPrivate->restoreSimplifiedGraph(QGraphicsAnchorLayoutPrivate::Orientation(data->orientation));
layoutPrivate->removeAnchor(data->from, data->to);
}
@@ -529,7 +527,6 @@ QGraphicsAnchorLayoutPrivate::QGraphicsAnchorLayoutPrivate()
interpolationProgress[i] = -1;
spacings[i] = -1;
- graphSimplified[i] = false;
graphHasConflicts[i] = false;
layoutFirstVertex[i] = 0;
@@ -735,16 +732,18 @@ static AnchorData *createSequence(Graph<AnchorVertex, AnchorData> *graph,
*/
bool QGraphicsAnchorLayoutPrivate::simplifyGraph(Orientation orientation)
{
- static bool noSimplification = !qgetenv("QT_ANCHORLAYOUT_NO_SIMPLIFICATION").isEmpty();
- if (noSimplification || items.isEmpty())
+ if (items.isEmpty())
return true;
- if (graphSimplified[orientation])
- return true;
-
-#if 0
+#if defined(QT_DEBUG) && 0
qDebug("Simplifying Graph for %s",
orientation == Horizontal ? "Horizontal" : "Vertical");
+
+ static int count = 0;
+ if (orientation == Horizontal) {
+ count++;
+ dumpGraph(QString::fromAscii("%1-full").arg(count));
+ }
#endif
// Vertex simplification
@@ -762,13 +761,16 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraph(Orientation orientation)
// Note that if we are not feasible, we fallback and make sure that the graph is fully restored
if (!feasible) {
- graphSimplified[orientation] = true;
restoreSimplifiedGraph(orientation);
restoreVertices(orientation);
return false;
}
- graphSimplified[orientation] = true;
+#if defined(QT_DEBUG) && 0
+ dumpGraph(QString::fromAscii("%1-simplified-%2").arg(count).arg(
+ QString::fromAscii(orientation == Horizontal ? "Horizontal" : "Vertical")));
+#endif
+
return true;
}
@@ -1173,10 +1175,6 @@ void QGraphicsAnchorLayoutPrivate::restoreSimplifiedConstraints(ParallelAnchorDa
void QGraphicsAnchorLayoutPrivate::restoreSimplifiedGraph(Orientation orientation)
{
- if (!graphSimplified[orientation])
- return;
- graphSimplified[orientation] = false;
-
#if 0
qDebug("Restoring Simplified Graph for %s",
orientation == Horizontal ? "Horizontal" : "Vertical");
@@ -1331,8 +1329,6 @@ void QGraphicsAnchorLayoutPrivate::deleteLayoutEdges()
void QGraphicsAnchorLayoutPrivate::createItemEdges(QGraphicsLayoutItem *item)
{
- Q_ASSERT(!graphSimplified[Horizontal] && !graphSimplified[Vertical]);
-
items.append(item);
// Create horizontal and vertical internal anchors for the item and
@@ -1375,8 +1371,6 @@ void QGraphicsAnchorLayoutPrivate::createCenterAnchors(
return;
}
- Q_ASSERT(!graphSimplified[orientation]);
-
// Check if vertex already exists
if (internalVertex(item, centerEdge))
return;
@@ -1443,8 +1437,6 @@ void QGraphicsAnchorLayoutPrivate::removeCenterAnchors(
return;
}
- Q_ASSERT(!graphSimplified[orientation]);
-
// Orientation code
Qt::AnchorPoint firstEdge;
Qt::AnchorPoint lastEdge;
@@ -1512,8 +1504,6 @@ void QGraphicsAnchorLayoutPrivate::removeCenterAnchors(
void QGraphicsAnchorLayoutPrivate::removeCenterConstraints(QGraphicsLayoutItem *item,
Orientation orientation)
{
- Q_ASSERT(!graphSimplified[orientation]);
-
// Remove the item center constraints associated to this item
// ### This is a temporary solution. We should probably use a better
// data structure to hold items and/or their associated constraints
@@ -1579,10 +1569,6 @@ QGraphicsAnchor *QGraphicsAnchorLayoutPrivate::addAnchor(QGraphicsLayoutItem *fi
return 0;
}
- // Guarantee that the graph is no simplified when adding this anchor,
- // anchor manipulation always happen in the full graph
- restoreSimplifiedGraph(edgeOrientation(firstEdge));
-
// In QGraphicsAnchorLayout, items are represented in its internal
// graph as four anchors that connect:
// - Left -> HCenter
@@ -1592,12 +1578,10 @@ QGraphicsAnchor *QGraphicsAnchorLayoutPrivate::addAnchor(QGraphicsLayoutItem *fi
// Ensure that the internal anchors have been created for both items.
if (firstItem != q && !items.contains(firstItem)) {
- restoreSimplifiedGraph(edgeOrientation(firstEdge) == Horizontal ? Vertical : Horizontal);
createItemEdges(firstItem);
addChildLayoutItem(firstItem);
}
if (secondItem != q && !items.contains(secondItem)) {
- restoreSimplifiedGraph(edgeOrientation(firstEdge) == Horizontal ? Vertical : Horizontal);
createItemEdges(secondItem);
addChildLayoutItem(secondItem);
}
@@ -1657,10 +1641,6 @@ void QGraphicsAnchorLayoutPrivate::addAnchor_helper(QGraphicsLayoutItem *firstIt
const Orientation orientation = edgeOrientation(firstEdge);
- // Guarantee that the graph is no simplified when adding this anchor,
- // anchor manipulation always happen in the full graph
- restoreSimplifiedGraph(orientation);
-
// Create or increase the reference count for the related vertices.
AnchorVertex *v1 = addInternalVertex(firstItem, firstEdge);
AnchorVertex *v2 = addInternalVertex(secondItem, secondEdge);
@@ -1696,15 +1676,13 @@ QGraphicsAnchor *QGraphicsAnchorLayoutPrivate::getAnchor(QGraphicsLayoutItem *fi
QGraphicsLayoutItem *secondItem,
Qt::AnchorPoint secondEdge)
{
- Orientation orient = edgeOrientation(firstEdge);
- restoreSimplifiedGraph(orient);
-
+ const Orientation orientation = edgeOrientation(firstEdge);
AnchorVertex *v1 = internalVertex(firstItem, firstEdge);
AnchorVertex *v2 = internalVertex(secondItem, secondEdge);
QGraphicsAnchor *graphicsAnchor = 0;
- AnchorData *data = graph[orient].edgeData(v1, v2);
+ AnchorData *data = graph[orientation].edgeData(v1, v2);
if (data)
graphicsAnchor = acquireGraphicsAnchor(data);
return graphicsAnchor;
@@ -1789,12 +1767,9 @@ void QGraphicsAnchorLayoutPrivate::removeAnchor(AnchorVertex *firstVertex,
void QGraphicsAnchorLayoutPrivate::removeAnchor_helper(AnchorVertex *v1, AnchorVertex *v2)
{
Q_ASSERT(v1 && v2);
- // Guarantee that the graph is no simplified when removing this anchor,
- // anchor manipulation always happen in the full graph
- Orientation o = edgeOrientation(v1->m_edge);
- restoreSimplifiedGraph(o);
// Remove edge from graph
+ const Orientation o = edgeOrientation(v1->m_edge);
graph[o].removeEdge(v1, v2);
// Decrease vertices reference count (may trigger a deletion)
@@ -1867,8 +1842,6 @@ void QGraphicsAnchorLayoutPrivate::removeVertex(QGraphicsLayoutItem *item, Qt::A
void QGraphicsAnchorLayoutPrivate::removeAnchors(QGraphicsLayoutItem *item)
{
- Q_ASSERT(!graphSimplified[Horizontal] && !graphSimplified[Vertical]);
-
// remove the center anchor first!!
removeCenterAnchors(item, Qt::AnchorHorizontalCenter, false);
removeVertex(item, Qt::AnchorLeft);
@@ -1971,20 +1944,8 @@ void QGraphicsAnchorLayoutPrivate::calculateGraphs()
{
if (!calculateGraphCacheDirty)
return;
-
-#if defined(QT_DEBUG) && 0
- static int count = 0;
- count++;
- dumpGraph(QString::fromAscii("%1-before").arg(count));
-#endif
-
calculateGraphs(Horizontal);
calculateGraphs(Vertical);
-
-#if defined(QT_DEBUG) && 0
- dumpGraph(QString::fromAscii("%1-after").arg(count));
-#endif
-
calculateGraphCacheDirty = false;
}
@@ -2032,18 +1993,9 @@ void QGraphicsAnchorLayoutPrivate::calculateGraphs(
lastCalculationUsedSimplex[orientation] = false;
#endif
- // ### This is necessary because now we do vertex simplification, we still don't know
- // differentiate between invalidate()s that doesn't need resimplification and those which
- // need. For example, when size hint of an item changes, this may cause an anchor to reach 0 or to
- // leave 0 and get a size. In both cases we need resimplify.
- //
- // ### one possible solution would be tracking all the 0-sized anchors, if this set change, we need
- // resimplify.
- restoreSimplifiedGraph(orientation);
+ static bool simplificationEnabled = qgetenv("QT_ANCHORLAYOUT_NO_SIMPLIFICATION").isEmpty();
- // Reset the nominal sizes of each anchor based on the current item sizes. This function
- // works with both simplified and non-simplified graphs, so it'll work when the
- // simplification is going to be reused.
+ // Reset the nominal sizes of each anchor based on the current item sizes.
if (!refreshAllSizeHints(orientation)) {
qWarning("QGraphicsAnchorLayout: anchor setup is not feasible.");
graphHasConflicts[orientation] = true;
@@ -2051,7 +2003,7 @@ void QGraphicsAnchorLayoutPrivate::calculateGraphs(
}
// Simplify the graph
- if (!simplifyGraph(orientation)) {
+ if (simplificationEnabled && !simplifyGraph(orientation)) {
qWarning("QGraphicsAnchorLayout: anchor setup is not feasible.");
graphHasConflicts[orientation] = true;
return;
@@ -2115,6 +2067,9 @@ void QGraphicsAnchorLayoutPrivate::calculateGraphs(
qDeleteAll(constraints[orientation]);
constraints[orientation].clear();
graphPaths[orientation].clear(); // ###
+
+ if (simplificationEnabled)
+ restoreSimplifiedGraph(orientation);
}
/*!
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout_p.h b/src/gui/graphicsview/qgraphicsanchorlayout_p.h
index cb8c4dd..7e2e00e 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout_p.h
+++ b/src/gui/graphicsview/qgraphicsanchorlayout_p.h
@@ -570,8 +570,6 @@ public:
Interval interpolationInterval[2];
qreal interpolationProgress[2];
- // ###
- bool graphSimplified[2];
bool graphHasConflicts[2];
QSet<QGraphicsLayoutItem *> m_floatItems[2];