Gets the gtk.text_iter.TextIter at the start of the line containing the coordinate y.
y is in buffer coordinates, convert from window coordinates with gtk.text_view.TextView.windowToBufferCoords. If non-null, line_top will be filled with the coordinate of the top edge of the line.
a gtk.text_iter.TextIter
a y coordinate
return location for top coordinate of the line
Gets the gtk.text_iter.TextIter at the start of the line containing the coordinate y.
y is in buffer coordinates, convert from window coordinates with gtk.text_view.TextView.windowToBufferCoords. If non-null, line_top will be filled with the coordinate of the top edge of the line.