Retrieves the iterator at buffer coordinates x and y.
Buffer coordinates are coordinates for the entire buffer, not just the currently-displayed portion. If you have coordinates from an event, you have to convert those to buffer coordinates with window_to_buffer_coords.
| this |
a TextView |
| iter |
a TextIter |
| x |
x position, in buffer coordinates |
| y |
y position, in buffer coordinates |
|
true if the position is over text |