oak-team/oak-editor
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nodeview: implemented weighted auto-positioning

Browse Source 
Similar to the previous approach, but cleaner and hopefully easier to extend.
This commit is contained in:
itsmattkc
2020-05-06 22:53:01 +10:00
parent af994cd1b6
commit e5e0d0323e
2 changed files with 28 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/widget/nodeview/nodeviewscene.cpp
+26 -5
View File
@@ -222,6 +222,19 @@ void NodeViewScene::RemoveEdge(NodeEdgePtr edge)
delete edge_map_.take(edge.get());
}
int NodeViewScene::DetermineWeight(Node *n)
{
QList<Node*> inputs = n->GetImmediateDependencies();
int weight = 0;
foreach (Node* i, inputs) {
weight += DetermineWeight(i);
}
return qMax(1, weight);
}
Qt::Orientation NodeViewScene::GetFlowOrientation() const
{
return NodeViewCommon::GetFlowOrientation(direction_);
@@ -243,15 +256,23 @@ void NodeViewScene::ReorganizeFrom(Node* n)
QPointF parent_pos = n->GetPosition();
int weight_count = DetermineWeight(n);
qreal child_x = parent_pos.x() - 1.0;
qreal children_height = immediates.size()-1;
qreal children_height = weight_count-1;
qreal children_y = parent_pos.y() - children_height * 0.5;
for (int i=0;i<immediates.size();i++) {
immediates.at(i)->SetPosition(QPointF(child_x,
children_y + i));
int weight_counter = 0;
ReorganizeFrom(immediates.at(i));
foreach (Node* i, immediates) {
int weight = DetermineWeight(i);
i->SetPosition(QPointF(child_x,
children_y + weight_counter + (weight - 1) * 0.5));
weight_counter += weight;
ReorganizeFrom(i);
}
}