[PATCH libinput 03/16] filter: rename speed to speed_ranged where it's in the [-1, 1] range

Peter Hutterer peter.hutterer at who-t.net
Mon Aug 10 16:20:26 PDT 2015


On Mon, Aug 10, 2015 at 04:20:50PM +0800, Jonas Ã…dahl wrote:
> On Wed, Aug 05, 2015 at 04:32:32PM +1000, Peter Hutterer wrote:
> > To avoid confusion with the other speed in units/time
> > 
> > Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> > ---
> >  src/filter-private.h |  4 ++--
> >  src/filter.c         | 18 +++++++++---------
> >  2 files changed, 11 insertions(+), 11 deletions(-)
> > 
> > diff --git a/src/filter-private.h b/src/filter-private.h
> > index 0e7afa1..c6281ae 100644
> > --- a/src/filter-private.h
> > +++ b/src/filter-private.h
> > @@ -38,11 +38,11 @@ struct motion_filter_interface {
> >  			uint64_t time);
> >  	void (*destroy)(struct motion_filter *filter);
> >  	bool (*set_speed)(struct motion_filter *filter,
> > -			  double speed);
> > +			  double speed_ranged);
> 
> How about speed_adjustment? "speed_range" sounds more like the same type
> of speed, but within a range, but IIUC this is more about adjusting the
> speed of the movement.

changed to speed_adjustment, thanks.

Cheers,
   Peter

> 
> 
> Jonas
> 
> >  };
> >  
> >  struct motion_filter {
> > -	double speed; /* normalized [-1, 1] */
> > +	double speed_ranged; /* normalized [-1, 1] */
> >  	struct motion_filter_interface *interface;
> >  };
> >  
> > diff --git a/src/filter.c b/src/filter.c
> > index e615deb..e1c228f 100644
> > --- a/src/filter.c
> > +++ b/src/filter.c
> > @@ -62,15 +62,15 @@ filter_destroy(struct motion_filter *filter)
> >  
> >  bool
> >  filter_set_speed(struct motion_filter *filter,
> > -		 double speed)
> > +		 double speed_ranged)
> >  {
> > -	return filter->interface->set_speed(filter, speed);
> > +	return filter->interface->set_speed(filter, speed_ranged);
> >  }
> >  
> >  double
> >  filter_get_speed(struct motion_filter *filter)
> >  {
> > -	return filter->speed;
> > +	return filter->speed_ranged;
> >  }
> >  
> >  /*
> > @@ -325,25 +325,25 @@ accelerator_destroy(struct motion_filter *filter)
> >  
> >  static bool
> >  accelerator_set_speed(struct motion_filter *filter,
> > -		      double speed)
> > +		      double speed_ranged)
> >  {
> >  	struct pointer_accelerator *accel_filter =
> >  		(struct pointer_accelerator *)filter;
> >  
> > -	assert(speed >= -1.0 && speed <= 1.0);
> > +	assert(speed_ranged >= -1.0 && speed_ranged <= 1.0);
> >  
> >  	/* delay when accel kicks in */
> > -	accel_filter->threshold = DEFAULT_THRESHOLD - speed / 4000.0;
> > +	accel_filter->threshold = DEFAULT_THRESHOLD - speed_ranged / 4000.0;
> >  	if (accel_filter->threshold < MINIMUM_THRESHOLD)
> >  		accel_filter->threshold = MINIMUM_THRESHOLD;
> >  
> >  	/* adjust max accel factor */
> > -	accel_filter->accel = DEFAULT_ACCELERATION + speed * 1.5;
> > +	accel_filter->accel = DEFAULT_ACCELERATION + speed_ranged * 1.5;
> >  
> >  	/* higher speed -> faster to reach max */
> > -	accel_filter->incline = DEFAULT_INCLINE + speed * 0.75;
> > +	accel_filter->incline = DEFAULT_INCLINE + speed_ranged * 0.75;
> >  
> > -	filter->speed = speed;
> > +	filter->speed_ranged = speed_ranged;
> >  	return true;
> >  }
> >  
> > -- 
> > 2.4.3
> > 
> > _______________________________________________
> > wayland-devel mailing list
> > wayland-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/wayland-devel


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