R Morgan

The only way I see to do it is to get the mouse pointer offset in onDragStart and then make it available in onDrop. I'm using this https://stackoverflow.com/questions/33360151/moving-elements-by-dragging-in-dart at the...

I can try but I am new to Dart and Dart web development... I haven't even looked at your code yet and I an struggling with getting drag and drop...

Thanks! I'll look into it. I think timing issues could be dealt with. I expect the kernel does maintain a clock. And as fast as the PI is, keeping the...