ui/dbus: add Listener.Unix.Map interface XML

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-16-marcandre.lureau@redhat.com>

ui/dbus-display1.xml

@@ -469,6 +469,53 @@
     <property name="Interfaces" type="as" access="read"/>
   </interface>
 
+  <!--
+      org.qemu.Display1.Listener.Unix.Map:
+
+      This optional client-side interface can complement
+      org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for
+      Unix-specific shared memory scanouts.
+  -->
+  <?if $(env.HOST_OS) != windows?>
+  <interface name="org.qemu.Display1.Listener.Unix.Map">
+    <!--
+        ScanoutMap:
+        @handle: the shared map FD.
+        @offset: mapping offset, in bytes.
+        @width: display width, in pixels.
+        @height: display height, in pixels.
+        @stride: stride, in bytes.
+        @pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
+
+        Resize and update the display content with a shared map.
+    -->
+    <method name="ScanoutMap">
+      <arg type="h" name="handle" direction="in"/>
+      <arg type="u" name="offset" direction="in"/>
+      <arg type="u" name="width" direction="in"/>
+      <arg type="u" name="height" direction="in"/>
+      <arg type="u" name="stride" direction="in"/>
+      <arg type="u" name="pixman_format" direction="in"/>
+    </method>
+
+    <!--
+        UpdateMap:
+        @x: the X update position, in pixels.
+        @y: the Y update position, in pixels.
+        @width: the update width, in pixels.
+        @height: the update height, in pixels.
+
+        Update the display content with the current shared map and the given region.
+    -->
+    <method name="UpdateMap">
+      <arg type="i" name="x" direction="in"/>
+      <arg type="i" name="y" direction="in"/>
+      <arg type="i" name="width" direction="in"/>
+      <arg type="i" name="height" direction="in"/>
+    </method>
+  </interface>
+  <?endif?>
+
   <!--
       org.qemu.Display1.Listener.Win32.Map: