[PATCH weston v4 08/20] input: Don't send wl_pointer.motion if position didn't change

[Peter Hutterer]

On Tue, Nov 17, 2015 at 06:10:54PM +0800, Jonas Ådahl wrote:
> Signed-off-by: Jonas Ådahl <jadahl at gmail.com>

Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>

Cheers,
   Peter
> ---
>  src/input.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/src/input.c b/src/input.c
> index 0a567da..3fd4dae 100644
> --- a/src/input.c
> +++ b/src/input.c
> @@ -173,6 +173,8 @@ default_grab_pointer_motion(struct weston_pointer_grab *grab, uint32_t time,
>  	struct wl_list *resource_list;
>  	struct wl_resource *resource;
>  	wl_fixed_t x, y;
> +	wl_fixed_t old_sx = pointer->sx;
> +	wl_fixed_t old_sy = pointer->sy;
>  
>  	if (pointer->focus) {
>  		weston_pointer_motion_to_abs(pointer, event, &x, &y);
> @@ -182,10 +184,12 @@ default_grab_pointer_motion(struct weston_pointer_grab *grab, uint32_t time,
>  
>  	weston_pointer_move(pointer, event);
>  
> -	resource_list = &pointer->focus_resource_list;
> -	wl_resource_for_each(resource, resource_list) {
> -		wl_pointer_send_motion(resource, time,
> -				       pointer->sx, pointer->sy);
> +	if (old_sx != pointer->sx || old_sy != pointer->sy) {
> +		resource_list = &pointer->focus_resource_list;
> +		wl_resource_for_each(resource, resource_list) {
> +			wl_pointer_send_motion(resource, time,
> +					       pointer->sx, pointer->sy);
> +		}
>  	}
>  }
>  
> -- 
> 2.4.3
> 
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