[PATCH weston 11/17] xdg-shell: Further clarify xdg_surface.resize semantics

Bryce Harrington bryce at osg.samsung.com
Tue Apr 7 19:27:00 PDT 2015


On Tue, Apr 07, 2015 at 05:01:26PM +0800, Jonas Ådahl wrote:
> Signed-off-by: Jonas Ådahl <jadahl at gmail.com>
> ---
>  protocol/xdg-shell.xml | 24 +++++++++++++++++++++---
>  1 file changed, 21 insertions(+), 3 deletions(-)
> 
> diff --git a/protocol/xdg-shell.xml b/protocol/xdg-shell.xml
> index c2e1443..ef16b73 100644
> --- a/protocol/xdg-shell.xml
> +++ b/protocol/xdg-shell.xml
> @@ -265,9 +265,7 @@
>      <enum name="resize_edge">
>        <description summary="edge values for resizing">
>  	These values are used to indicate which edge of a surface
> -	is being dragged in a resize operation. The server may
> -	use this information to adapt its behavior, e.g. choose
> -	an appropriate cursor image.
> +	is being dragged in a resize operation.
>        </description>
>        <entry name="none" value="0"/>
>        <entry name="top" value="1"/>
> @@ -289,6 +287,26 @@
>  
>  	The server may ignore resize requests depending on the state of
>  	the surface (e.g. fullscreen or maximized).
> +
> +	If triggered, the client will receive configure events with the
> +	"resize" state enum value and the expected sizes. See the "resize"
> +	enum value for more details about what is required. The client
> +	must also acknowledge configure events using "ack_configure". After
> +	the resize is completed, the client will receive another "configure"
> +	event without the resize state.
> +
> +	If triggered, the surface also will loose the focus of the device
lose

> +	(wl_pointer, wl_touch, etc) used for the resize. It is up to the
> +	compositor display any indications, such as updating a pointer cursor,
> +	during the resize.

This is the same sentence as in the prior patch that I found confusing.

> There is no guarantee that the device focus will
> +	return when the resize is completed.
> +
> +	The edges parameter specifies how the surface should be resized,
> +	and is one of the values of the resize_edge enum. The compositor
> +	may use this information to update the surface position for
> +	example when dragging the top left corner. The compositor may also

I think s/for example/such as/ might be better grammar here.

> +	use this information to adapt its behavior, e.g. choose an
> +	appropriate cursor image.

here too.  s/e.g. choose an/such as choosing an/

>        </description>
>        <arg name="seat" type="object" interface="wl_seat" summary="the wl_seat of the user event"/>
>        <arg name="serial" type="uint" summary="the serial of the user event"/>
> -- 
> 2.1.4
> 
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