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nodeparamview/nodeview: connect selections and enable multi-select in npv

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This commit is contained in:
itsmattkc
2022-05-04 14:59:51 -07:00
parent 07519a952e
commit 102ce9aa7b
19 changed files with 294 additions and 100 deletions
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app/widget/nodeview/nodeview.cpp
+30 -6
View File
@@ -51,7 +51,8 @@ NodeView::NodeView(QWidget *parent) :
create_edge_output_item_(nullptr),
create_edge_input_item_(nullptr),
overlay_view_(nullptr),
scale_(1.0)
scale_(1.0),
dont_emit_selection_signals_(false)
{
setScene(&scene_);
SetDefaultDragMode(RubberBandDrag);
@@ -171,9 +172,11 @@ void NodeView::DeselectAll()
// Just emit all the nodes that are currently selected as no longer selected
emit NodesDeselected(selected_nodes_);
selected_nodes_.clear();
emit NodeSelectionChanged(selected_nodes_);
emit NodeSelectionChangedWithContexts(QVector<Node::ContextPair>());
}
void NodeView::Select(const QVector<Node *> &nodes, bool center_view_on_item)
void NodeView::Select(const QVector<Node::ContextPair> &nodes, bool center_view_on_item)
{
// Optimization: rather than respond to every single item being selected, ignore the signal and
// then handle them all at the end.
@@ -184,18 +187,27 @@ void NodeView::Select(const QVector<Node *> &nodes, bool center_view_on_item)
scene_.DeselectAll();
foreach (NodeViewContext *context, scene_.context_map()) {
context->Select(nodes);
foreach (const Node::ContextPair &p, nodes) {
NodeViewContext *ctx = scene_.context_map().value(p.context);
if (ctx) {
NodeViewItem *item = ctx->GetItemFromMap(p.node);
if (item) {
item->setSelected(true);
}
}
}
// Center on something
if (center_view_on_item && !nodes.isEmpty()) {
QMetaObject::invokeMethod(this, "CenterOnNode", Qt::QueuedConnection, OLIVE_NS_ARG(Node*, nodes.first()));
QMetaObject::invokeMethod(this, "CenterOnNode", Qt::QueuedConnection, OLIVE_NS_ARG(Node*, nodes.first().node));
}
ConnectSelectionChangedSignal();
// Don't signal when this function was likely triggered from another widget's signal anyway
dont_emit_selection_signals_ = true;
UpdateSelectionCache();
dont_emit_selection_signals_ = false;
}
void NodeView::CopySelected(bool cut)
@@ -734,13 +746,18 @@ void NodeView::UpdateSelectionCache()
QVector<Node*> selected;
QVector<Node*> deselected;
QVector<Node::ContextPair> sel_with_ctx(current_selection.size());
// Determine which nodes are newly selected
foreach (NodeViewItem* i, current_selection) {
for (int j=0; j<current_selection.size(); j++) {
NodeViewItem *i = current_selection.at(j);
Node *n = i->GetNode();
if (!selected_nodes_.contains(n)) {
selected.append(n);
selected_nodes_.append(n);
}
sel_with_ctx[j] = {n, i->GetContext()};
}
// Determine which nodes are newly deselected
@@ -773,6 +790,11 @@ void NodeView::UpdateSelectionCache()
if (!selected.isEmpty()) {
emit NodesSelected(selected);
}
if (!dont_emit_selection_signals_) {
emit NodeSelectionChanged(selected_nodes_);
emit NodeSelectionChangedWithContexts(sel_with_ctx);
}
}
void NodeView::ShowContextMenu(const QPoint &pos)
@@ -1344,6 +1366,8 @@ void NodeView::ShowNodeProperties()
overlay_view_->setFocus();
emit NodesDeselected(selected_nodes_);
emit NodeSelectionChanged(QVector<Node*>());
emit NodeSelectionChangedWithContexts(QVector<Node::ContextPair>());
overlay_view_->SelectAll();
emit NodeGroupOpened(group);