Treeland virtual output manager

treeland_virtual_output_manager_v1

version 1

Manager creates virtual output

This interface is a manager that allows the creation of copied output.

treeland_virtual_output_manager_v1::create_virtual_output

create_virtual_output(id: new_id<treeland_virtual_output_v1>, name: string, outputs: array)

Argument	Type	Description
id	new_id<treeland_virtual_output_v1>
name	string	The name of the user readable virtual output
outputs	array	Screen name array

Create a virtual output

Create virtual output that can be used when setting screen copy mode for use on multiple screens. Virtual outputs are created to mirror multiple wl_output outputs.

The element of the array is the name of the screen.

The first element of the array outputs is the screen to be copied, and the subsequent elements are the screens to be mirrored.

The client calling this interface will not generate an additional wl_output object on the client.

treeland_virtual_output_manager_v1::get_virtual_output_list

get_virtual_output_list()

Gets a list of virtual output names

Gets a list of virtual output names.

treeland_virtual_output_manager_v1::get_virtual_output

get_virtual_output(name: string, id: new_id<treeland_virtual_output_v1>)

Argument	Type	Description
name	string	The name of the user readable virtual output
id	new_id<treeland_virtual_output_v1>

Get virtual output

The client obtains the corresponding virtual_output_v1 object through the virtual output name.

treeland_virtual_output_manager_v1::virtual_output_list

virtual_output_list(names: array)

Argument	Type	Description
names	array	List of virtual output names

Send a list of virtual output names

Sends a list of virtual output names to the client.

treeland_virtual_output_v1

version 1

screen output object

A treeland_virtual_output_v1 represents a set virtual screen output object.

treeland_virtual_output_v1::destroy

Type: destructor

destroy()

destroy the output

Destroy the output.

treeland_virtual_output_v1::outputs

outputs(name: string, outputs: array)

Argument	Type	Description
name	string	The name of the user readable virtual output
outputs	array	Screen name array

screen output changes

This event is sent to the client when any screen in the array changes.

The element of the array is the name of the screen.

The first element of the array outputs is the screen to be copied, and the subsequent elements are the screens to be mirrored.

When the primary screen (the screen being copied) is removed, a successor is selected from the queue as the primary screen, and the queue information is updated.

treeland_virtual_output_v1::error

error(code: uint, message: string)

Argument	Type	Description
code	uint	error code
message	string	error description

Screen copy mode error event

When an error occurs, an error event is emitted, terminating the replication mode request issued by the client.

treeland_virtual_output_v1::error

error { invalid_group_name, invalid_screen_number, invalid_output }

Argument	Value	Description
invalid_group_name	0	Group name is empty
invalid_screen_number	1	The number of screens applying for copy mode is less than 2
invalid_output	2	Output does not exist