3e301c8d7e
Add a new chardev backend which allows D-Bus client to handle the chardev stream & events. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
762 lines
21 KiB
XML
762 lines
21 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<node>
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<!--
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org.qemu.Display1.VM:
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This interface is implemented on ``/org/qemu/Display1/VM``.
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-->
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<interface name="org.qemu.Display1.VM">
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<!--
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Name:
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The name of the VM.
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-->
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<property name="Name" type="s" access="read"/>
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<!--
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UUID:
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The UUID of the VM.
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-->
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<property name="UUID" type="s" access="read"/>
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<!--
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ConsoleIDs:
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The list of consoles available on ``/org/qemu/Display1/Console_$id``.
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-->
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<property name="ConsoleIDs" type="au" access="read"/>
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</interface>
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<!--
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org.qemu.Display1.Console:
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This interface is implemented on ``/org/qemu/Display1/Console_$id``. You
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may discover available consoles through introspection or with the
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:dbus:prop:`org.qemu.Display1.VM.ConsoleIDs` property.
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A console is attached to a video device head. It may be "Graphic" or
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"Text" (see :dbus:prop:`Type` and other properties).
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Interactions with a console may be done with
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:dbus:iface:`org.qemu.Display1.Keyboard` and
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:dbus:iface:`org.qemu.Display1.Mouse` interfaces when available.
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-->
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<interface name="org.qemu.Display1.Console">
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<!--
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RegisterListener:
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@listener: a Unix socket FD, for peer-to-peer D-Bus communication.
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Register a console listener, which will receive display updates, until
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it is disconnected.
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Multiple listeners may be registered simultaneously.
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The listener is expected to implement the
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:dbus:iface:`org.qemu.Display1.Listener` interface.
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-->
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<method name="RegisterListener">
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<arg type="h" name="listener" direction="in"/>
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</method>
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<!--
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SetUIInfo:
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@width_mm: the physical display width in millimeters.
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@height_mm: the physical display height in millimeters.
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@xoff: horizontal offset, in pixels.
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@yoff: vertical offset, in pixels.
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@width: console width, in pixels.
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@height: console height, in pixels.
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Modify the dimensions and display settings.
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-->
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<method name="SetUIInfo">
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<arg name="width_mm" type="q" direction="in"/>
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<arg name="height_mm" type="q" direction="in"/>
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<arg name="xoff" type="i" direction="in"/>
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<arg name="yoff" type="i" direction="in"/>
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<arg name="width" type="u" direction="in"/>
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<arg name="height" type="u" direction="in"/>
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</method>
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<!--
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Label:
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A user-friendly name for the console (for ex: "VGA").
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-->
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<property name="Label" type="s" access="read"/>
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<!--
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Head:
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Graphical device head number.
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-->
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<property name="Head" type="u" access="read"/>
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<!--
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Type:
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Console type ("Graphic" or "Text").
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-->
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<property name="Type" type="s" access="read"/>
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<!--
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Width:
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Console width, in pixels.
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-->
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<property name="Width" type="u" access="read"/>
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<!--
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Height:
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Console height, in pixels.
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-->
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<property name="Height" type="u" access="read"/>
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<!--
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DeviceAddress:
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The device address (ex: "pci/0000/02.0").
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-->
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<property name="DeviceAddress" type="s" access="read"/>
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</interface>
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<!--
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org.qemu.Display1.Keyboard:
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This interface in implemented on ``/org/qemu/Display1/Console_$id`` (see
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:dbus:iface:`~org.qemu.Display1.Console`).
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-->
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<interface name="org.qemu.Display1.Keyboard">
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<!--
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Press:
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@keycode: QEMU key number (xtkbd + special re-encoding of high bit)
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Send a key press event.
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-->
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<method name="Press">
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<arg type="u" name="keycode" direction="in"/>
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</method>
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<!--
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Release:
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@keycode: QEMU key number (xtkbd + special re-encoding of high bit)
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Send a key release event.
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-->
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<method name="Release">
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<arg type="u" name="keycode" direction="in"/>
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</method>
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<!--
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Modifiers:
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The active keyboard modifiers::
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Scroll = 1 << 0
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Num = 1 << 1
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Caps = 1 << 2
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-->
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<property name="Modifiers" type="u" access="read"/>
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</interface>
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<!--
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org.qemu.Display1.Mouse:
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This interface in implemented on ``/org/qemu/Display1/Console_$id`` (see
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:dbus:iface:`~org.qemu.Display1.Console` documentation).
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.. _dbus-button-values:
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**Button values**::
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Left = 0
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Middle = 1
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Right = 2
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Wheel-up = 3
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Wheel-down = 4
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Side = 5
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Extra = 6
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-->
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<interface name="org.qemu.Display1.Mouse">
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<!--
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Press:
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@button: :ref:`button value<dbus-button-values>`.
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Send a mouse button press event.
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-->
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<method name="Press">
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<arg type="u" name="button" direction="in"/>
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</method>
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<!--
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Release:
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@button: :ref:`button value<dbus-button-values>`.
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Send a mouse button release event.
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-->
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<method name="Release">
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<arg type="u" name="button" direction="in"/>
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</method>
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<!--
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SetAbsPosition:
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@x: X position, in pixels.
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@y: Y position, in pixels.
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Set the mouse pointer position.
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Returns an error if not :dbus:prop:`IsAbsolute`.
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-->
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<method name="SetAbsPosition">
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<arg type="u" name="x" direction="in"/>
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<arg type="u" name="y" direction="in"/>
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</method>
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<!--
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RelMotion:
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@dx: X-delta, in pixels.
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@dy: Y-delta, in pixels.
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Move the mouse pointer position, relative to the current position.
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Returns an error if :dbus:prop:`IsAbsolute`.
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-->
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<method name="RelMotion">
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<arg type="i" name="dx" direction="in"/>
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<arg type="i" name="dy" direction="in"/>
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</method>
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<!--
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IsAbsolute:
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Whether the mouse is using absolute movements.
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-->
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<property name="IsAbsolute" type="b" access="read"/>
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</interface>
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<!--
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org.qemu.Display1.Listener:
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This client-side interface must be available on
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``/org/qemu/Display1/Listener`` when registering the peer-to-peer
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connection with :dbus:meth:`~org.qemu.Display1.Console.Register`.
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-->
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<interface name="org.qemu.Display1.Listener">
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<!--
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Scanout:
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@width: display width, in pixels.
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@height: display height, in pixels.
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@stride: data stride, in bytes.
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@pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
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@data: image data.
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Resize and update the display content.
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The data to transfer for the display update may be large. The preferred
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scanout method is :dbus:meth:`ScanoutDMABUF`, used whenever possible.
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-->
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<method name="Scanout">
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<arg type="u" name="width" direction="in"/>
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<arg type="u" name="height" direction="in"/>
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<arg type="u" name="stride" direction="in"/>
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<arg type="u" name="pixman_format" direction="in"/>
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<arg type="ay" name="data" direction="in">
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<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
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</arg>
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</method>
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<!--
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Update:
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@x: X update position, in pixels.
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@y: Y update position, in pixels.
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@width: update width, in pixels.
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@height: update height, in pixels.
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@stride: data stride, in bytes.
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@pixman_format: image format (ex: ``PIXMAN_X8R8G8B8``).
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@data: display image data.
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Update the display content.
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This method is only called after a :dbus:meth:`Scanout` call.
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-->
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<method name="Update">
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<arg type="i" name="x" direction="in"/>
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<arg type="i" name="y" direction="in"/>
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<arg type="i" name="width" direction="in"/>
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<arg type="i" name="height" direction="in"/>
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<arg type="u" name="stride" direction="in"/>
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<arg type="u" name="pixman_format" direction="in"/>
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<arg type="ay" name="data" direction="in">
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<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
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</arg>
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</method>
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<!--
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ScanoutDMABUF:
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@dmabuf: the DMABUF file descriptor.
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@width: display width, in pixels.
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@height: display height, in pixels.
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@stride: stride, in bytes.
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@fourcc: DMABUF fourcc.
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@modifier: DMABUF modifier.
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@y0_top: whether Y position 0 is the top or not.
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Resize and update the display content with a DMABUF.
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-->
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<method name="ScanoutDMABUF">
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<arg type="h" name="dmabuf" direction="in"/>
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<arg type="u" name="width" direction="in"/>
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<arg type="u" name="height" direction="in"/>
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<arg type="u" name="stride" direction="in"/>
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<arg type="u" name="fourcc" direction="in"/>
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<!-- xywh? -->
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<arg type="t" name="modifier" direction="in"/>
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<arg type="b" name="y0_top" direction="in"/>
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</method>
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<!--
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UpdateDMABUF:
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@x: the X update position, in pixels.
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@y: the Y update position, in pixels.
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@width: the update width, in pixels.
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@height: the update height, in pixels.
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Update the display content with the current DMABUF and the given region.
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-->
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<method name="UpdateDMABUF">
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<arg type="i" name="x" direction="in"/>
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<arg type="i" name="y" direction="in"/>
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<arg type="i" name="width" direction="in"/>
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<arg type="i" name="height" direction="in"/>
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</method>
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<!--
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Disable:
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Disable the display (turn it off).
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-->
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<method name="Disable">
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</method>
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<!--
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MouseSet:
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@x: X mouse position, in pixels.
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@y: Y mouse position, in pixels.
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@on: whether the mouse is visible or not.
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Set the mouse position and visibility.
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-->
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<method name="MouseSet">
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<arg type="i" name="x" direction="in"/>
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<arg type="i" name="y" direction="in"/>
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<arg type="i" name="on" direction="in"/>
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</method>
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<!--
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CursorDefine:
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@width: cursor width, in pixels.
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@height: cursor height, in pixels.
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@hot_x: hot-spot X position, in pixels.
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@hot_y: hot-spot Y position, in pixels.
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@data: the cursor data.
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Set the mouse cursor shape and hot-spot. The "data" must be ARGB, 32-bit
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per pixel.
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-->
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<method name="CursorDefine">
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<arg type="i" name="width" direction="in"/>
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<arg type="i" name="height" direction="in"/>
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<arg type="i" name="hot_x" direction="in"/>
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<arg type="i" name="hot_y" direction="in"/>
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<arg type="ay" name="data" direction="in">
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<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
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</arg>
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</method>
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</interface>
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<!--
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org.qemu.Display1.Clipboard:
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This interface must be implemented by both the client and the server on
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``/org/qemu/Display1/Clipboard`` to support clipboard sharing between
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the client and the guest.
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Once :dbus:meth:`Register`'ed, method calls may be sent and received in both
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directions. Unregistered callers will get error replies.
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.. _dbus-clipboard-selection:
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**Selection values**::
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Clipboard = 0
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Primary = 1
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Secondary = 2
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.. _dbus-clipboard-serial:
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**Serial counter**
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To solve potential clipboard races, clipboard grabs have an associated
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serial counter. It is set to 0 on registration, and incremented by 1 for
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each grab. The peer with the highest serial is the clipboard grab owner.
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When a grab with a lower serial is received, it should be discarded.
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When a grab is attempted with the same serial number as the current grab,
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the one coming from the client should have higher priority, and the client
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should gain clipboard grab ownership.
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-->
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<interface name="org.qemu.Display1.Clipboard">
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<!--
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Register:
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Register a clipboard session and reinitialize the serial counter.
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The client must register itself, and is granted an exclusive
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access for handling the clipboard.
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The server can reinitialize the session as well (to reset the counter).
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-->
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<method name="Register"/>
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<!--
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Unregister:
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Unregister the clipboard session.
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-->
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<method name="Unregister"/>
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<!--
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Grab:
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@selection: a :ref:`selection value<dbus-clipboard-selection>`.
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@serial: the current grab :ref:`serial<dbus-clipboard-serial>`.
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@mimes: the list of available content MIME types.
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Grab the clipboard, claiming current clipboard content.
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-->
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<method name="Grab">
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<arg type="u" name="selection"/>
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<arg type="u" name="serial"/>
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<arg type="as" name="mimes"/>
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</method>
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<!--
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Release:
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@selection: a :ref:`selection value<dbus-clipboard-selection>`.
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Release the clipboard (does nothing if not the current owner).
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-->
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<method name="Release">
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<arg type="u" name="selection"/>
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</method>
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<!--
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Request:
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@selection: a :ref:`selection value<dbus-clipboard-selection>`
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@mimes: requested MIME types (by order of preference).
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@reply_mime: the returned data MIME type.
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@data: the clipboard data.
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Request the clipboard content.
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Return an error if the clipboard is empty, or the requested MIME types
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are unavailable.
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-->
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<method name="Request">
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<arg type="u" name="selection"/>
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<arg type="as" name="mimes"/>
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<arg type="s" name="reply_mime" direction="out"/>
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<arg type="ay" name="data" direction="out">
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<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
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</arg>
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</method>
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</interface>
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<!--
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org.qemu.Display1.Audio:
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Audio backend may be available on ``/org/qemu/Display1/Audio``.
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-->
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<interface name="org.qemu.Display1.Audio">
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<!--
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RegisterOutListener:
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@listener: a Unix socket FD, for peer-to-peer D-Bus communication.
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Register an audio backend playback handler.
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Multiple listeners may be registered simultaneously.
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The listener is expected to implement the
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:dbus:iface:`org.qemu.Display1.AudioOutListener` interface.
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-->
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<method name="RegisterOutListener">
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<arg type="h" name="listener" direction="in"/>
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</method>
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<!--
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RegisterInListener:
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@listener: a Unix socket FD, for peer-to-peer D-Bus communication.
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Register an audio backend record handler.
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Multiple listeners may be registered simultaneously.
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The listener is expected to implement the
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:dbus:iface:`org.qemu.Display1.AudioInListener` interface.
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-->
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<method name="RegisterInListener">
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<arg type="h" name="listener" direction="in"/>
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</method>
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</interface>
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<!--
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org.qemu.Display1.AudioOutListener:
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This client-side interface must be available on
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``/org/qemu/Display1/AudioOutListener`` when registering the peer-to-peer
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connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterOutListener`.
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-->
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<interface name="org.qemu.Display1.AudioOutListener">
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<!--
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Init:
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@id: the stream ID.
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@bits: PCM bits per sample.
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@is_signed: whether the PCM data is signed.
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@is_float: PCM floating point format.
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@freq: the PCM frequency in Hz.
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@nchannels: the number of channels.
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@bytes_per_frame: the bytes per frame.
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@bytes_per_second: the bytes per second.
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@be: whether using big-endian format.
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Initializes a PCM playback stream.
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-->
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<method name="Init">
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<arg name="id" type="t" direction="in"/>
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<arg name="bits" type="y" direction="in"/>
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<arg name="is_signed" type="b" direction="in"/>
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<arg name="is_float" type="b" direction="in"/>
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<arg name="freq" type="u" direction="in"/>
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<arg name="nchannels" type="y" direction="in"/>
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<arg name="bytes_per_frame" type="u" direction="in"/>
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<arg name="bytes_per_second" type="u" direction="in"/>
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<arg name="be" type="b" direction="in"/>
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</method>
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<!--
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Fini:
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@id: the stream ID.
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Finish & close a playback stream.
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-->
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<method name="Fini">
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|
<arg name="id" type="t" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
SetEnabled:
|
|
@id: the stream ID.
|
|
|
|
Resume or suspend the playback stream.
|
|
-->
|
|
<method name="SetEnabled">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="enabled" type="b" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
SetVolume:
|
|
@id: the stream ID.
|
|
@mute: whether the stream is muted.
|
|
@volume: the volume per-channel.
|
|
|
|
Set the stream volume and mute state (volume without unit, 0-255).
|
|
-->
|
|
<method name="SetVolume">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="mute" type="b" direction="in"/>
|
|
<arg name="volume" type="ay" direction="in">
|
|
<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
|
|
</arg>
|
|
</method>
|
|
|
|
<!--
|
|
Write:
|
|
@id: the stream ID.
|
|
@data: the PCM data.
|
|
|
|
PCM stream to play.
|
|
-->
|
|
<method name="Write">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg type="ay" name="data" direction="in">
|
|
<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
|
|
</arg>
|
|
</method>
|
|
</interface>
|
|
|
|
<!--
|
|
org.qemu.Display1.AudioInListener:
|
|
|
|
This client-side interface must be available on
|
|
``/org/qemu/Display1/AudioInListener`` when registering the peer-to-peer
|
|
connection with :dbus:meth:`~org.qemu.Display1.Audio.RegisterInListener`.
|
|
-->
|
|
<interface name="org.qemu.Display1.AudioInListener">
|
|
<!--
|
|
Init:
|
|
@id: the stream ID.
|
|
@bits: PCM bits per sample.
|
|
@is_signed: whether the PCM data is signed.
|
|
@is_float: PCM floating point format.
|
|
@freq: the PCM frequency in Hz.
|
|
@nchannels: the number of channels.
|
|
@bytes_per_frame: the bytes per frame.
|
|
@bytes_per_second: the bytes per second.
|
|
@be: whether using big-endian format.
|
|
|
|
Initializes a PCM record stream.
|
|
-->
|
|
<method name="Init">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="bits" type="y" direction="in"/>
|
|
<arg name="is_signed" type="b" direction="in"/>
|
|
<arg name="is_float" type="b" direction="in"/>
|
|
<arg name="freq" type="u" direction="in"/>
|
|
<arg name="nchannels" type="y" direction="in"/>
|
|
<arg name="bytes_per_frame" type="u" direction="in"/>
|
|
<arg name="bytes_per_second" type="u" direction="in"/>
|
|
<arg name="be" type="b" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
Fini:
|
|
@id: the stream ID.
|
|
|
|
Finish & close a record stream.
|
|
-->
|
|
<method name="Fini">
|
|
<arg name="id" type="t" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
SetEnabled:
|
|
@id: the stream ID.
|
|
|
|
Resume or suspend the record stream.
|
|
-->
|
|
<method name="SetEnabled">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="enabled" type="b" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
SetVolume:
|
|
@id: the stream ID.
|
|
@mute: whether the stream is muted.
|
|
@volume: the volume per-channel.
|
|
|
|
Set the stream volume and mute state (volume without unit, 0-255).
|
|
-->
|
|
<method name="SetVolume">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="mute" type="b" direction="in"/>
|
|
<arg name="volume" type="ay" direction="in">
|
|
<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
|
|
</arg>
|
|
</method>
|
|
|
|
<!--
|
|
Read:
|
|
@id: the stream ID.
|
|
@size: the amount to read, in bytes.
|
|
@data: the recorded data (which may be less than requested).
|
|
|
|
Read "size" bytes from the record stream.
|
|
-->
|
|
<method name="Read">
|
|
<arg name="id" type="t" direction="in"/>
|
|
<arg name="size" type="t" direction="in"/>
|
|
<arg type="ay" name="data" direction="out">
|
|
<annotation name="org.gtk.GDBus.C.ForceGVariant" value="true"/>
|
|
</arg>
|
|
</method>
|
|
</interface>
|
|
|
|
<!--
|
|
org.qemu.Display1.Chardev:
|
|
|
|
Character devices may be available on ``/org/qemu/Display1/Chardev_$id``.
|
|
|
|
They may be used for different kind of streams, which are identified via
|
|
their FQDN :dbus:prop:`Name`.
|
|
|
|
.. _dbus-chardev-fqdn:
|
|
|
|
Here are some known reserved kind names (the ``org.qemu`` prefix is
|
|
reserved by QEMU):
|
|
|
|
org.qemu.console.serial.0
|
|
A serial console stream.
|
|
|
|
org.qemu.monitor.hmp.0
|
|
A QEMU HMP human monitor.
|
|
|
|
org.qemu.monitor.qmp.0
|
|
A QEMU QMP monitor.
|
|
|
|
org.qemu.usbredir
|
|
A usbredir stream.
|
|
-->
|
|
<interface name="org.qemu.Display1.Chardev">
|
|
<!--
|
|
Register:
|
|
@stream: a Unix FD to redirect the stream to.
|
|
|
|
Register a file-descriptor for the stream handling.
|
|
|
|
The current handler, if any, will be replaced.
|
|
-->
|
|
<method name="Register">
|
|
<arg type="h" name="stream" direction="in"/>
|
|
</method>
|
|
|
|
<!--
|
|
SendBreak:
|
|
|
|
Send a break event to the character device.
|
|
-->
|
|
<method name="SendBreak"/>
|
|
|
|
<!--
|
|
Name:
|
|
|
|
The FQDN name to identify the kind of stream. See :ref:`reserved
|
|
names<dbus-chardev-fqdn>`.
|
|
-->
|
|
<property name="Name" type="s" access="read"/>
|
|
|
|
<!--
|
|
FEOpened:
|
|
|
|
Whether the front-end side is opened.
|
|
-->
|
|
<property name="FEOpened" type="b" access="read"/>
|
|
|
|
<!--
|
|
Echo:
|
|
|
|
Whether the input should be echo'ed (for serial streams).
|
|
-->
|
|
<property name="Echo" type="b" access="read"/>
|
|
|
|
<!--
|
|
Owner:
|
|
|
|
The D-Bus unique name of the registered handler.
|
|
-->
|
|
<property name="Owner" type="s" access="read"/>
|
|
</interface>
|
|
</node>
|