diff options
Diffstat (limited to 'include/ptrveloc.h')
| -rw-r--r-- | include/ptrveloc.h | 71 |
1 files changed, 38 insertions, 33 deletions
diff --git a/include/ptrveloc.h b/include/ptrveloc.h index 4f76b0094..8778646f5 100644 --- a/include/ptrveloc.h +++ b/include/ptrveloc.h @@ -48,8 +48,8 @@ struct _DeviceVelocityRec; * returns actual acceleration depending on velocity, acceleration control,... */ typedef double (*PointerAccelerationProfileFunc) - (DeviceIntPtr dev, struct _DeviceVelocityRec* vel, - double velocity, double threshold, double accelCoeff); + (DeviceIntPtr dev, struct _DeviceVelocityRec * vel, + double velocity, double threshold, double accelCoeff); /** * a motion history, with just enough information to @@ -57,9 +57,9 @@ typedef double (*PointerAccelerationProfileFunc) * a more or less straight line */ typedef struct _MotionTracker { - double dx, dy; /* accumulated delta for each axis */ - int time; /* time of creation */ - int dir; /* initial direction bitfield */ + double dx, dy; /* accumulated delta for each axis */ + int time; /* time of creation */ + int dir; /* initial direction bitfield */ } MotionTracker, *MotionTrackerPtr; /** @@ -68,25 +68,25 @@ typedef struct _MotionTracker { typedef struct _DeviceVelocityRec { MotionTrackerPtr tracker; int num_tracker; - int cur_tracker; /* current index */ - double velocity; /* velocity as guessed by algorithm */ - double last_velocity; /* previous velocity estimate */ - double last_dx; /* last time-difference */ - double last_dy; /* phase of last/current estimate */ - double corr_mul; /* config: multiply this into velocity */ - double const_acceleration; /* config: (recipr.) const deceleration */ - double min_acceleration; /* config: minimum acceleration */ - short reset_time; /* config: reset non-visible state after # ms */ - short use_softening; /* config: use softening of mouse values */ - double max_rel_diff; /* config: max. relative difference */ - double max_diff; /* config: max. difference */ - int initial_range; /* config: max. offset used as initial velocity */ - Bool average_accel; /* config: average acceleration over velocity */ + int cur_tracker; /* current index */ + double velocity; /* velocity as guessed by algorithm */ + double last_velocity; /* previous velocity estimate */ + double last_dx; /* last time-difference */ + double last_dy; /* phase of last/current estimate */ + double corr_mul; /* config: multiply this into velocity */ + double const_acceleration; /* config: (recipr.) const deceleration */ + double min_acceleration; /* config: minimum acceleration */ + short reset_time; /* config: reset non-visible state after # ms */ + short use_softening; /* config: use softening of mouse values */ + double max_rel_diff; /* config: max. relative difference */ + double max_diff; /* config: max. difference */ + int initial_range; /* config: max. offset used as initial velocity */ + Bool average_accel; /* config: average acceleration over velocity */ PointerAccelerationProfileFunc Profile; PointerAccelerationProfileFunc deviceSpecificProfile; - void* profile_private;/* extended data, see SetAccelerationProfile() */ - struct { /* to be able to query this information */ - int profile_number; + void *profile_private; /* extended data, see SetAccelerationProfile() */ + struct { /* to be able to query this information */ + int profile_number; } statistics; } DeviceVelocityRec, *DeviceVelocityPtr; @@ -96,49 +96,54 @@ typedef struct _DeviceVelocityRec { */ typedef struct _PredictableAccelSchemeRec { DeviceVelocityPtr vel; - long* prop_handlers; + long *prop_handlers; int num_prop_handlers; } PredictableAccelSchemeRec, *PredictableAccelSchemePtr; extern _X_EXPORT void -InitVelocityData(DeviceVelocityPtr vel); + InitVelocityData(DeviceVelocityPtr vel); extern _X_EXPORT void -InitTrackers(DeviceVelocityPtr vel, int ntracker); + InitTrackers(DeviceVelocityPtr vel, int ntracker); extern _X_EXPORT BOOL ProcessVelocityData2D(DeviceVelocityPtr vel, double dx, double dy, int time); extern _X_EXPORT double + BasicComputeAcceleration(DeviceIntPtr dev, DeviceVelocityPtr vel, - double velocity, double threshold, double acc); + double velocity, double threshold, double acc); extern _X_EXPORT void -FreeVelocityData(DeviceVelocityPtr vel); + FreeVelocityData(DeviceVelocityPtr vel); extern _X_EXPORT int -SetAccelerationProfile(DeviceVelocityPtr vel, int profile_num); + SetAccelerationProfile(DeviceVelocityPtr vel, int profile_num); extern _X_EXPORT DeviceVelocityPtr GetDevicePredictableAccelData(DeviceIntPtr dev); extern _X_EXPORT void + SetDeviceSpecificAccelerationProfile(DeviceVelocityPtr vel, PointerAccelerationProfileFunc profile); extern _X_INTERNAL void -AccelerationDefaultCleanup(DeviceIntPtr dev); + AccelerationDefaultCleanup(DeviceIntPtr dev); extern _X_INTERNAL Bool + InitPredictableAccelerationScheme(DeviceIntPtr dev, - struct _ValuatorAccelerationRec* protoScheme); + struct _ValuatorAccelerationRec *protoScheme); extern _X_INTERNAL void -acceleratePointerPredictable(DeviceIntPtr dev, ValuatorMask* val, + +acceleratePointerPredictable(DeviceIntPtr dev, ValuatorMask *val, CARD32 evtime); extern _X_INTERNAL void -acceleratePointerLightweight(DeviceIntPtr dev, ValuatorMask* val, + +acceleratePointerLightweight(DeviceIntPtr dev, ValuatorMask *val, CARD32 evtime); -#endif /* POINTERVELOCITY_H */ +#endif /* POINTERVELOCITY_H */ |