TextView.addOverlay
void addOverlay(gtk.widget.Widget child, int xpos, int ypos)Adds child at a fixed coordinate in the gtk.text_view.TextView's text window.
The xpos and ypos must be in buffer coordinates (see gtk.text_view.TextView.getIterLocation to convert to buffer coordinates).
child will scroll with the text view.
If instead you want a widget that will not move with the gtk.text_view.TextView contents see gtk.overlay.Overlay.
Parameters
child | a gtk.widget.Widget |
xpos | X position of child in window coordinates |
ypos | Y position of child in window coordinates |