wayland_server_data_device_manager_t - Man Page

data transfer interface


#include <wayland-server-protocol.hpp>

Inherits wayland::server::resource_t.

Public Member Functions

std::function< void(data_source_t)> & on_create_data_source ()
create a new data source
std::function< void(data_device_t, seat_t)> & on_get_data_device ()
create a new data device
bool proxy_has_object () const
Check whether this wrapper actually wraps an object.
void post_no_memory () const
uint32_t get_id () const
client_t get_client () const
unsigned int get_version () const
std::string get_class ()

Detailed Description

data transfer interface

The wl_data_device_manager is a singleton global object that provides access to inter-client data transfer mechanisms such as copy-and-paste and drag-and-drop. These mechanisms are tied to a wl_seat and this interface lets a client get a wl_data_device corresponding to a wl_seat.

Depending on the version bound, the objects created from the bound wl_data_device_manager object will have different requirements for functioning properly. See wl_data_source.set_actions, wl_data_offer.accept and wl_data_offer.finish for details.

Definition at line 1564 of file wayland-server-protocol.hpp.

Member Function Documentation

std::string wayland::server::resource_t::get_class () [inherited]

Retrieve the interface name (class) of a resource object.


Interface name of the resource object.

client_t wayland::server::resource_t::get_client () const [inherited]

Get the associated client


the client that owns the resource.

uint32_t wayland::server::resource_t::get_id () const [inherited]

Get the internal ID of the resource


the internal ID of the resource

unsigned int wayland::server::resource_t::get_version () const [inherited]

Get interface version


Interface version this resource has been constructed with.

std::function< void(data_source_t)> & data_device_manager_t::on_create_data_source ()

create a new data source


id data source to create

Create a new data source.

Definition at line 2169 of file wayland-server-protocol.cpp.

std::function< void(data_device_t, seat_t)> & data_device_manager_t::on_get_data_device ()

create a new data device


id data device to create
seat seat associated with the data device

Create a new data device for a given seat.

Definition at line 2175 of file wayland-server-protocol.cpp.

void wayland::server::resource_t::post_no_memory () const [inherited]

Post 'not enough memory' error to the client

If the compositor has not enough memory to fulfill a certail request of the client, this function can be called to notify the client of this circumstance.

bool wayland::server::resource_t::proxy_has_object () const [inherited]

Check whether this wrapper actually wraps an object.


true if there is an underlying object, false if this wrapper is empty


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Sun Mar 26 2023 Version 1.0.0 Wayland++