Starts a drag and creates a new drag context for it.
This function is called by the drag source. After this call, you probably want to set up the drag icon using the surface returned by [ [email protected]_drag_surface].
This function returns a reference to the [[email protected]] object, but GTK keeps its own reference as well, as long as the DND operation is going on.
Note: if actions include gdk_action_move, you need to listen for the [[email protected]:
GdkDrag:dnd-finished] signal and delete the data at the source if [[email protected]_selected_action] returns
gdk_action_move.
| surface |
the source surface for this drag |
| device |
the device that controls this drag |
| content |
the offered content |
| actions |
the actions supported by this drag |
| dx |
the x offset to |
| dy |
the y offset to |
|
a newly created `GdkDrag` |