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[ui] Refactor node pasting using graph partial serialization

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Re-implement node pasting by relying on the graph partial serializer,
to serialize only the subset of selected nodes.
On pasting, use standard graph deserialization and import the content
of the serialized graph in the active graph instance.

Simplify the positioning of pasted nodes to only consider mouse position
or center of the graph, which works well for the major variety of use-cases.
Compute the offset to apply to imported nodes by using the de-serialized
graph content's bounding box.
This commit is contained in:
Yann Lanthony 2025-02-06 16:46:04 +01:00
parent f8f03b0bd5
commit d54ba012a0
4 changed files with 63 additions and 158 deletions
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21
meshroom/ui/qml/GraphEditor/GraphEditor.qml
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@ -82,25 +82,18 @@ Item {
/// Paste content of clipboard to graph editor and create new node if valid
function pasteNodes() {
var finalPosition = undefined
var centerPosition = false
let finalPosition = undefined;
if (mouseArea.containsMouse) {
if (uigraph.hoveredNode !== null) {
var node = nodeDelegate(uigraph.hoveredNode)
finalPosition = Qt.point(node.mousePosition.x + node.x, node.mousePosition.y + node.y)
} else {
finalPosition = mapToItem(draggable, mouseArea.mouseX, mouseArea.mouseY)
}
finalPosition = mapToItem(draggable, mouseArea.mouseX, mouseArea.mouseY);
} else {
finalPosition = getCenterPosition()
centerPosition = true
finalPosition = getCenterPosition();
}
var copiedContent = Clipboard.getText()
var nodes = uigraph.pasteNodes(copiedContent, finalPosition, centerPosition)
const copiedContent = Clipboard.getText();
const nodes = uigraph.pasteNodes(copiedContent, finalPosition);
if (nodes.length > 0) {
uigraph.selectedNode = nodes[0]
uigraph.selectNodes(nodes)
uigraph.selectedNode = nodes[0];
uigraph.selectNodes(nodes);
}
}