protected Point computeSizeConstraints(Control subjectControl, IInformationControl informationControl) { // at least as big as the proposal table Point sizeConstraint = super.computeSizeConstraints(subjectControl, informationControl); Point size = subjectControl.getShell().getSize(); // AbstractInformationControlManager#internalShowInformationControl(Rectangle, Object) adds trims // to the computed constraints. Need to remove them here, to make the outer bounds of the additional // info shell fit the bounds of the proposal shell: if (fInformationControl instanceof IInformationControlExtension3) { Rectangle shellTrim = ((IInformationControlExtension3) fInformationControl).computeTrim(); size.x -= shellTrim.width; size.y -= shellTrim.height; } if (sizeConstraint.x < size.x) { sizeConstraint.x = size.x; } if (sizeConstraint.y < size.y) { sizeConstraint.y = size.y; } sizeConstraint.y = 450; return sizeConstraint; }