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Handler for a proxy with version >= 3.
constraint'a = [< `V3 ]
methodprivatevirtual on_offer : [> `V3 ]t->mime_type:string -> unit
Add an offered mime type.
This request adds a mime type to the set of mime types advertised to targets. Can be called several times to offer multiple types.
methodprivatevirtual on_destroy : [> `V3 ]t-> unit
Destroy the data source.
Destroy the data source.
methodprivatevirtual on_set_actions : [> `V3 ]t->dnd_actions:{Imports}1.Wl_data_device_manager.Dnd_action.t ->
unit
Set the available drag-and-drop actions.
Sets the actions that the source side client supports for this operation. This request may trigger wl_data_source.action and wl_data_offer.action events if the compositor needs to change the selected action.
The dnd_actions argument must contain only values expressed in the wl_data_device_manager.dnd_actions enum, otherwise it will result in a protocol error.
This request must be made once only, and can only be made on sources used in drag-and-drop, so it must be performed before wl_data_device.start_drag. Attempting to use the source other than for drag-and-drop will raise a protocol error.