</description>
<arg name="serial" type="uint"/>
- <arg name="type" type="string"/>
+ <arg name="type" type="string" allow-null="true"/>
</request>
<request name="receive">
a target does not accept any of the offered types, type is NULL.
</description>
- <arg name="mime_type" type="string"/>
+ <arg name="mime_type" type="string" allow-null="true"/>
</event>
<event name="send">
hotspot, but subsequent surface.attach request can move the
relative position.
</description>
- <arg name="source" type="object" interface="wl_data_source"/>
+ <arg name="source" type="object" interface="wl_data_source" allow-null="true"/>
<arg name="origin" type="object" interface="wl_surface"/>
- <arg name="icon" type="object" interface="wl_surface"/>
+ <arg name="icon" type="object" interface="wl_surface" allow-null="true"/>
<arg name="serial" type="uint"/>
</request>
data_offer is valid until a new data_offer or NULL is received
or until the client loses keyboard focus.
</description>
- <arg name="id" type="object" interface="wl_data_offer"/>
+ <arg name="id" type="object" interface="wl_data_offer" allow-null="true"/>
</event>
</interface>
</description>
<arg name="method" type="uint"/>
<arg name="framerate" type="uint"/>
- <arg name="output" type="object" interface="wl_output"/>
+ <arg name="output" type="object" interface="wl_output" allow-null="true"/>
</request>
<enum name="fullscreen_method">
to, except the panel area. This is the main difference between
a maximized shell surface and a fullscreen shell surface.
</description>
- <arg name="output" type="object" interface="wl_output"/>
+ <arg name="output" type="object" interface="wl_output" allow-null="true"/>
</request>
<request name="set_title">
region is the entire surface.
</description>
- <arg name="region" type="object" interface="wl_region"/>
+ <arg name="region" type="object" interface="wl_region" allow-null="true"/>
</request>
<event name="enter">
</description>
<arg name="serial" type="uint"/>
- <arg name="surface" type="object" interface="wl_surface"/>
+ <arg name="surface" type="object" interface="wl_surface" allow-null="true"/>
<arg name="hotspot_x" type="int"/>
<arg name="hotspot_y" type="int"/>
</request>