[fltk.general] Suggestion for Point selector widget Fl_Point

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Suggestion for Point selector widget Fl_Point "anmol.... 11:00 Oct 19 top right image
  I am trying to create a widget that can be pointed into a box to select the pixel co-ordinates within. It has a click box next to it to activate the point selection crosshairs, and then the point co-ordinates inside the box will be selected.

Any suggestions ?

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