I need to develop some component similar to the nebula tree mapper
I have some similar functionality but when the user scroll any of the trees I want to draw some line which is part visible and some part hidden but in order to do that I should calculate the X coordinate to start drawing the line and it should change when the mapping goes up and down, similar to this image but only showing part of the line
Thanks in advance for you help.
PS: I published the question in the SWT forum as well, but someone close it, I did this because I am trying to do this in SWT or JavaFX so any comment can be useful
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