convert_widget_to_bin_window_coords
Description:
Converts widget coordinates to coordinates for the bin_window.
Note:
Use [class@Gtk.ListView] or [class@Gtk.ColumnView] instead
Parameters:
| this |
a `GtkTreeView` |
| wx |
X coordinate relative to the widget |
| wy |
Y coordinate relative to the widget |
| bx |
return location for bin_window X coordinate |
| by |
return location for bin_window Y coordinate |