protected void setLastRulerMouseLocation(ISourceViewer viewer, int line) {
// set last mouse activity in order to get the correct context menu
if (fCompositeRuler != null) {
StyledText st = viewer.getTextWidget();
if (st != null && !st.isDisposed()) {
if (viewer instanceof ITextViewerExtension5) {
int widgetLine = ((ITextViewerExtension5) viewer).modelLine2WidgetLine(line);
Point loc = st.getLocationAtOffset(st.getOffsetAtLine(widgetLine));
fCompositeRuler.setLocationOfLastMouseButtonActivity(0, loc.y);
} else if (viewer instanceof TextViewer) {
// TODO remove once TextViewer implements the extension
int widgetLine = ((TextViewer) viewer).modelLine2WidgetLine(line);
Point loc = st.getLocationAtOffset(st.getOffsetAtLine(widgetLine));
fCompositeRuler.setLocationOfLastMouseButtonActivity(0, loc.y);
}
}
}
}
