[PATCH wayland-protocols] unstable: add xcursor-configuration

Simon Ser contact at emersion.fr
Tue Dec 4 08:18:47 UTC 2018


Hi Johan, Pekka, Jonas,

What do you think of this protocol?

Thanks,

Simon

On Thursday, October 18, 2018 11:29 AM, Simon Ser <contact at emersion.fr> wrote:
> Clients are responsible for loading and setting cursors. For this
> purpose they often use XCursor images via the libwayland-cursor
> library. However clients have no way to know the user's preferred
> theme and size. This results in inconsistent cursors across
> clients (e.g. cursor growing bigger when entering a surface).
>
> This protocol fixes this issue by sending the user's XCursor
> preferences to the client. It also allows for per-device cursor
> configuration.
>
> Signed-off-by: Simon Ser <contact at emersion.fr>
> ---
>  Makefile.am                                   |   1 +
>  unstable/xcursor-configuration/README         |   4 +
>  .../xcursor-configuration-unstable-v1.xml     | 115 ++++++++++++++++++
>  3 files changed, 120 insertions(+)
>  create mode 100644 unstable/xcursor-configuration/README
>  create mode 100644 unstable/xcursor-configuration/xcursor-configuration-unstable-v1.xml
>
> diff --git a/Makefile.am b/Makefile.am
> index 6394e26..7ac70ec 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -18,6 +18,7 @@ unstable_protocols =								\
>  	unstable/idle-inhibit/idle-inhibit-unstable-v1.xml			\
>  	unstable/xwayland-keyboard-grab/xwayland-keyboard-grab-unstable-v1.xml	\
>  	unstable/keyboard-shortcuts-inhibit/keyboard-shortcuts-inhibit-unstable-v1.xml \
> +	unstable/xcursor-configuration/xcursor-configuration-unstable-v1.xml				\
>  	unstable/xdg-output/xdg-output-unstable-v1.xml				\
>  	unstable/input-timestamps/input-timestamps-unstable-v1.xml	\
>  	unstable/xdg-decoration/xdg-decoration-unstable-v1.xml	\
> diff --git a/unstable/xcursor-configuration/README b/unstable/xcursor-configuration/README
> new file mode 100644
> index 0000000..472e3bf
> --- /dev/null
> +++ b/unstable/xcursor-configuration/README
> @@ -0,0 +1,4 @@
> +xcursor configuration protocol
> +
> +Maintainers:
> +Simon Ser <contact at emersion.fr>
diff --git a/unstable/xcursor-configuration/xcursor-configuration-unstable-v1.xml > b/unstable/xcursor-configuration/xcursor-configuration-unstable-v1.xml
> new file mode 100644
> index 0000000..b479c6f
> --- /dev/null
> +++ b/unstable/xcursor-configuration/xcursor-configuration-unstable-v1.xml
> @@ -0,0 +1,115 @@
> +<?xml version="1.0" encoding="UTF-8"?>
> +<protocol name="wp_xcursor_configuration_unstable_v1">
> +  <copyright>
> +    Copyright © 2018 Simon Ser
> +
> +    Permission is hereby granted, free of charge, to any person obtaining a
> +    copy of this software and associated documentation files (the "Software"),
> +    to deal in the Software without restriction, including without limitation
> +    the rights to use, copy, modify, merge, publish, distribute, sublicense,
> +    and/or sell copies of the Software, and to permit persons to whom the
> +    Software is furnished to do so, subject to the following conditions:
> +
> +    The above copyright notice and this permission notice (including the next
> +    paragraph) shall be included in all copies or substantial portions of the
> +    Software.
> +
> +    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> +    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> +    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> +    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> +    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> +    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> +    DEALINGS IN THE SOFTWARE.
> +  </copyright>
> +
> +  <description summary="protocol to configure XCursor themes">
> +    This protocol allows compositors to advertize XCursor configuration to
> +    clients.
> +
> +    Once compositor configuration is received, clients are responsible for
> +    loading the XCursor theme, creating wl_buffers with cursor images and
> +    setting the cursor. Clients are free to ignore configuration set by this
> +    protocol and use different settings: this protocol merely exposes hints.
> +
> +    Warning! The protocol described in this file is experimental and
> +    backward incompatible changes may be made. Backward compatible changes
> +    may be added together with the corresponding interface version bump.
> +    Backward incompatible changes are done by bumping the version number in
> +    the protocol and interface names and resetting the interface version.
> +    Once the protocol is to be declared stable, the 'z' prefix and the
> +    version number in the protocol and interface names are removed and the
> +    interface version number is reset.
> +  </description>
> +
> +  <interface name="zwp_xcursor_configuration_manager_v1" version="1">
> +    <description summary="XCursor configuration manager">
> +      A global factory interface for wp_xcursor_configuration objects.
> +    </description>
> +
> +    <request name="destroy" type="destructor">
> +      <description summary="destroy the XCursor configuration manager object">
> +        Destroy the XCursor configuration manager. This doesn't destroy objects
> +        created with the manager.
> +      </description>
> +    </request>
> +
> +    <enum name="device_type">
> +      <description summary="an input device type">
> +        Describes input devices that have a cursor and are attached to a seat.
> +      </description>
> +      <entry name="pointer" value="1" summary="Pointer"/>
> +      <entry name="tablet_tool" value="2" summary="Tablet tool"/>
> +    </enum>
> +
> +    <request name="get_device_xcursor_configuration">
> +      <description summary="create a wp_xcursor_configuration object for a device">
> +        This creates a new wp_xcursor_configuration object for the input device
> +        attached to the given seat.
> +      </description>
> +      <arg name="id" type="new_id" interface="zwp_xcursor_configuration_v1"/>
> +      <arg name="seat" type="object" interface="wl_seat"/>
> +      <arg name="device" type="uint" enum="device_type"/>
> +    </request>
> +  </interface>
> +
> +  <interface name="zwp_xcursor_configuration_v1" version="1">
> +    <description summary="XCursor configuration for a device">
> +      A Xcursor configuration object describes XCursor settings for a specific
> +      device.
> +    </description>
> +
> +    <request name="destroy" type="destructor">
> +      <description summary="destroy this object">
> +        Using this request a client can tell the server that it is not going to
> +        use this object anymore.
> +      </description>
> +    </request>
> +
> +    <event name="done">
> +      <description summary="all information about the configuration has been sent">
> +        This event is sent after all other properties of a
> +        wp_xcursor_configuration have been sent.
> +
> +        This allows changes to the wp_xcursor_configuration properties to be
> +        seen as atomic, even if they happen via multiple events.
> +      </description>
> +    </event>
> +
> +    <event name="theme">
> +      <description summary="theme configuration">
> +        The theme event describes XCursor theme configuration for this device.
> +      </description>
> +      <arg name="name" type="string" summary="theme name"/>
> +      <arg name="size" type="uint" summary="theme size"/>
> +    </event>
> +
> +    <event name="default_cursor">
> +      <description summary="default cursor name">
> +        The default_cursor event describes the default XCursor cursor name to be
> +        used for this device.
> +      </description>
> +      <arg name="name" type="string" summary="default cursor name"/>
> +    </event>
> +  </interface>
> +</protocol>
> --
> 2.19.1
>
>
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