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QmlDesigner: Reduce calls to updateGeometry

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Those calls can really become slow in large flows
and do not seem to be required.

Change-Id: Ibd3cda917c2d71db10bc90ad2ca58351e8bf7d0f
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Thomas Hartmann
2020-11-24 18:08:42 +01:00
parent 95ae082404
commit d14fe41bc1
2 changed files with 10 additions and 20 deletions
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26
src/plugins/qmldesigner/components/formeditor/formeditoritem.cpp
View File

@@ -605,8 +605,14 @@ void FormEditorFlowItem::updateGeometry()
{
FormEditorItem::updateGeometry();
const QPointF pos = qmlItemNode().flowPosition();
setTransform(QTransform::fromTranslate(pos.x(), pos.y()));
if (pos == m_oldPos)
return;
m_oldPos = pos;
// Call updateGeometry() on all related transitions
QmlFlowTargetNode flowItem(qmlItemNode());
if (flowItem.isValid() && flowItem.flowView().isValid()) {
@@ -652,16 +658,6 @@ void FormEditorFlowActionItem::updateGeometry()
FormEditorItem::updateGeometry();
//const QPointF pos = qmlItemNode().flowPosition();
//setTransform(QTransform::fromTranslate(pos.x(), pos.y()));
// Call updateGeometry() on all related transitions
QmlFlowItemNode flowItem = QmlFlowActionAreaNode(qmlItemNode()).flowItemParent();
if (flowItem.isValid() && flowItem.flowView().isValid()) {
const auto nodes = flowItem.flowView().transitions();
for (const ModelNode &node : nodes) {
if (FormEditorItem *item = scene()->itemForQmlItemNode(node))
item->updateGeometry();
}
}
}
void FormEditorFlowActionItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
@@ -1748,16 +1744,6 @@ void FormEditorFlowDecisionItem::updateGeometry()
setTransform(qmlItemNode().instanceTransformWithContentTransform());
const QPointF pos = qmlItemNode().flowPosition();
setTransform(QTransform::fromTranslate(pos.x(), pos.y()));
// Call updateGeometry() on all related transitions
QmlFlowTargetNode flowItem(qmlItemNode());
if (flowItem.isValid() && flowItem.flowView().isValid()) {
const auto nodes = flowItem.flowView().transitions();
for (const ModelNode &node : nodes) {
if (FormEditorItem *item = scene()->itemForQmlItemNode(node))
item->updateGeometry();
}
}
}
void FormEditorFlowDecisionItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

4
src/plugins/qmldesigner/components/formeditor/formeditoritem.h
View File

@@ -163,6 +163,8 @@ protected:
FormEditorFlowItem(const QmlItemNode &qmlItemNode, FormEditorScene *scene)
: FormEditorItem(qmlItemNode, scene)
{}
private:
QPointF m_oldPos;
};
class FormEditorFlowActionItem : public FormEditorItem
@@ -180,6 +182,8 @@ protected:
FormEditorFlowActionItem(const QmlItemNode &qmlItemNode, FormEditorScene *scene)
: FormEditorItem(qmlItemNode, scene)
{}
private:
QPointF m_oldPos;
};
class FormEditorTransitionItem : public FormEditorItem