implemented "value hints" for choosing output values to use

2021-09-17 20:56:53 -07:00
parent a5e7859e1f
commit 67c7c71ca2
30 changed files with 439 additions and 85 deletions
@@ -0,0 +1,83 @@
+#include "nodevaluetree.h"
+
+#include <QEvent>
+
+#include "node/traverser.h"
+
+namespace olive {
+
+#define super QTreeWidget
+
+NodeValueTree::NodeValueTree(QWidget *parent) :
+  super(parent)
+{
+  setColumnWidth(0, 0);
+  setColumnCount(4);
+  setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+  static const int kMinimumRows = 10;
+  setMinimumHeight(fontMetrics().height() * kMinimumRows);
+
+  Retranslate();
+}
+
+void NodeValueTree::SetNode(const NodeInput &input, const rational &time)
+{
+  clear();
+
+  NodeTraverser traverser;
+
+  Node *connected_node = input.GetConnectedOutput();
+  Node::ValueHint value_hint = input.node()->GetValueHintForInput(input.input(), input.element());
+
+  NodeValueTable table = traverser.GenerateTable(connected_node, value_hint, TimeRange(time, time));
+
+  int index = traverser.GenerateRowValueElementIndex(input.node(), input.input(), input.element(), &table);
+
+  for (int i=0; i<table.Count(); i++) {
+    const NodeValue &value = table.at(i);
+    QTreeWidgetItem *item = new QTreeWidgetItem(this);
+
+    Node::ValueHint hint = {{value.type()}, table.Count()-1-i, value.tag()};
+
+    QRadioButton *radio = new QRadioButton(this);
+    radio->setProperty("input", QVariant::fromValue(input));
+    radio->setProperty("hint", QVariant::fromValue(hint));
+    if (i == index) {
+      radio->setChecked(true);
+    }
+    connect(radio, &QRadioButton::clicked, this, &NodeValueTree::RadioButtonChecked);
+
+    setItemWidget(item, 0, radio);
+    item->setText(1, NodeValue::GetPrettyDataTypeName(value.type()));
+    item->setText(2, NodeValue::ValueToString(value.type(), value.data(), false));
+    item->setText(3, value.source()->GetLabelAndName());
+  }
+}
+
+void NodeValueTree::changeEvent(QEvent *event)
+{
+  if (event->type() == QEvent::LanguageChange) {
+    Retranslate();
+  }
+
+  super::changeEvent(event);
+}
+
+void NodeValueTree::Retranslate()
+{
+  setHeaderLabels({QString(), tr("Type"), tr("Value"), tr("Source")});
+}
+
+void NodeValueTree::RadioButtonChecked(bool e)
+{
+  if (e) {
+    QRadioButton *btn = static_cast<QRadioButton*>(sender());
+    Node::ValueHint hint = btn->property("hint").value<Node::ValueHint>();
+    NodeInput input = btn->property("input").value<NodeInput>();
+
+    input.node()->SetValueHintForInput(input.input(), input.element(), hint);
+  }
+}
+
+}