JFaceTextUtil.getVisibleModelLines(
ITextViewer viewer)
Returns the range of lines that is visible in the viewer, including any partially visible
lines.
IAnnotationHoverExtension.getHoverLineRange(
ISourceViewer viewer,
int lineNumber)
Returns the range of lines that include the given line number for which
the same hover information is valid.
IAnnotationHoverExtension.getHoverInfo(
ISourceViewer sourceViewer,
ILineRange lineRange,
int visibleNumberOfLines)
Returns the object which should be presented in the a
hover popup window.