Stop selection from being cleared during canvas drag

[coonh]

Each time you click outside the graph, the selection is cleared. I want this to happen when you click, but not when you drag. For now, I use the DragStarted output to save my selection and reset it after DragEnded.

However, the selection is now removed and then set back. Is there a way to stop fFlow from deleting the selection by default on mousedown?

[siarheihuzarevich]

Hi,
No, that’s not possible — this behavior is built into fFlow by default. Whenever you click inside the flow, it will always clear the current selection and set a new one (either the element under the cursor or empty if you clicked on the canvas).

There’s no option to disable this reset on mousedown. The only workaround is to save and restore the selection manually (as you’re already doing with onDragStart / onDragEnd), but you can’t prevent the framework itself from clearing it.

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