cell_get_size
Description:
Obtains the width and height needed to render the column.
Note:
Use GtkColumnView instead
This is used primarily by the `GtkTreeView`.
Parameters:
| this |
A `GtkTreeViewColumn`. |
| x_offset |
location to return x offset of a cell relative to |
| y_offset |
location to return y offset of a cell relative to |
| width |
location to return width needed to render a cell |
| height |
location to return height needed to render a cell |