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Update protocol

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emersion 2019-03-16 17:56:37 +02:00
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34
protocol/wlr-output-management-unstable-v1.xml
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@ -46,15 +46,23 @@
Output devices that display pixels (e.g. a physical monitor or a virtual
output in a window) are represented as heads. Heads cannot be created nor
destroyed, but they can be enabled or disabled and their properties can be
changed. Each head may have one or more available modes.
destroyed by the client, but they can be enabled or disabled and their
properties can be changed. Each head may have one or more available modes.
Heads are advertised when the output manager is bound, and whenever they
appear.
Whenever a head appears (e.g. a monitor is plugged in), it will be
advertised via the head event. Immediately after the output manager is
bound, all current heads are advertised.
Whenever the number of heads or modes changes, the done event will be
sent. It carries a serial which can be used in a create_configuration
request to change heads properties.
Whenever a head's properties change, the relevant wlr_output_head events
will be sent. Not all head properties will be sent: only properties that
have changed need to.
Whenever a head disappears (e.g. a monitor is unplugged), a
wlr_output_head.finished event will be sent.
After one or more heads appear, change or disappear, the done event will
be sent. It carries a serial which can be used in a create_configuration
request to update heads properties.
The information obtained from this protocol should only be used for output
configuration purposes. This protocol is not designed to be a generic
@ -64,7 +72,9 @@
<event name="head">
<description summary="introduce a new head">
This event introduces a new head.
This event introduces a new head. This happens whenever a new head
appears (e.g. a monitor is plugged in) or after the output manager is
bound.
</description>
<arg name="head" type="new_id" interface="zwlr_output_head_v1"/>
</event>
@ -75,7 +85,8 @@
the output manager object and after any subsequent changes. This applies
to child head and mode objects as well. In other words, this event is
sent whenever a head or mode is created or destroyed and whenever one of
their properties has been changed.
their properties has been changed. Not all state is re-sent each time
the current configuration changes: only the actual changes are sent.
This allows changes to the output configuration to be seen as atomic,
even if they happen via multiple events.
@ -121,7 +132,7 @@
object only advertises properties and cannot be used directly to change
them.
A head has some read-only properties: mode, name, description and
A head has some read-only properties: modes, name, description and
physical_size. These cannot be changed by clients.
Other properties can be updated via a wlr_output_configuration object.
@ -371,6 +382,9 @@
tested them.
Upon receiving this event, the client should destroy this object.
If the current configuration has changed, events to describe the changes
will be sent followed by a wlr_output_manager.done event.
</description>
</event>