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foundations for background caching

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This commit is contained in:
itsmattkc
2019-08-24 22:16:01 +10:00
parent 9439494c10
commit 438e7081f9
39 changed files with 919 additions and 213 deletions
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app/widget/nodeview/nodeviewitem.cpp
+30 -11
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@@ -383,8 +383,24 @@ void NodeViewItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
if (param_hitbox.contains(drop_item->mapFromScene(event->scenePos())) // See if we're dragging inside the hitbox
&& NodeParam::AreDataTypesCompatible(drag_src_param_, comp_param)) { // Make sure the types are compatible
drag_dest_param_ = comp_param;
end_point = drop_item->mapToScene(drop_item->GetParameterConnectorRect(i).center());
// Prevent circular dependency - check if the Node we'll be outputting to already outputs to this Node
Node* outputting_node;
Node* receiving_node;
// Determine which Node will be "submitting output" and which node will be "receiving input"
if (drag_src_param_->type() == NodeParam::kInput) {
receiving_node = drag_src_param_->parent();
outputting_node = drop_item->node();
} else {
receiving_node = drop_item->node();
outputting_node = drag_src_param_->parent();
}
// Ensure the receiving node doesn't output to the outputting node
if (!receiving_node->OutputsTo(outputting_node)) {
drag_dest_param_ = comp_param;
end_point = drop_item->mapToScene(drop_item->GetParameterConnectorRect(i).center());
}
break;
}
@@ -408,8 +424,6 @@ void NodeViewItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
// Check if an edge drag was initiated
if (dragging_edge_ != nullptr) {
// FIXME: Make this undoable
// Remove the drag object
scene()->removeItem(dragging_edge_);
@@ -424,17 +438,22 @@ void NodeViewItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
NodeEdgePtr new_edge;
NodeOutput* output;
NodeInput* input;
// Connecting will automatically add an edge UI object through the signal/slot system
if (drag_dest_param_->type() == NodeParam::kOutput) {
new NodeEdgeAddCommand(static_cast<NodeOutput*>(drag_dest_param_),
static_cast<NodeInput*>(drag_src_param_),
node_edge_change_command_);
output = static_cast<NodeOutput*>(drag_dest_param_);
input = static_cast<NodeInput*>(drag_src_param_);
} else {
new NodeEdgeAddCommand(static_cast<NodeOutput*>(drag_src_param_),
static_cast<NodeInput*>(drag_dest_param_),
node_edge_change_command_);
output = static_cast<NodeOutput*>(drag_src_param_);
input = static_cast<NodeInput*>(drag_dest_param_);
}
// Use a command to make Node connecting undoable
new NodeEdgeAddCommand(output,
input,
node_edge_change_command_);
}
dragging_edge_ = nullptr;