dix: add property support for pointer acceleration.
Note: properties don't need to be cleaned up, the DIX does it for us anyway. Data that is stored in properties is cleaned up by the property system. Handlers, etc. don't need to be unregistered while cleaning up, as they get deleted when the device is removed anyway. Signed-off-by: Peter Hutterer <peter.hutterer@redhat.com> Signed-off-by: Simon Thum <simon.thum@gmx.de>
This commit is contained in:
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d645721170
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19275ea8e9
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@ -50,7 +50,11 @@ static struct dev_properties
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char *name;
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} dev_properties[] = {
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{0, XI_PROP_ENABLED},
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{0, XATOM_FLOAT}
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{0, XATOM_FLOAT},
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{0, ACCEL_PROP_PROFILE_NUMBER},
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{0, ACCEL_PROP_CONSTANT_DECELERATION},
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{0, ACCEL_PROP_ADAPTIVE_DECELERATION},
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{0, ACCEL_PROP_VELOCITY_SCALING}
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};
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static long XIPropHandlerID = 1;
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@ -1319,6 +1319,16 @@ InitPointerAccelerationScheme(DeviceIntPtr dev,
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val->accelScheme = pointerAccelerationScheme[i];
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val->accelScheme.accelData = data;
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/* post-init scheme */
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switch(scheme){
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case PtrAccelPredictable:
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InitializePredictableAccelerationProperties(dev);
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break;
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default:
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break;
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}
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return TRUE;
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}
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211
dix/ptrveloc.c
211
dix/ptrveloc.c
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@ -29,9 +29,13 @@
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#include <math.h>
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#include <ptrveloc.h>
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#include <inputstr.h>
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#include <exevents.h>
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#include <X11/Xatom.h>
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#include <assert.h>
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#include <os.h>
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#include <xserver-properties.h>
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/*****************************************************************************
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* Predictable pointer acceleration
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*
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@ -52,8 +56,8 @@
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* which returns an acceleration
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* for a given velocity
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*
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* The profile can be selected by the user (potentially at runtime).
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* the classic profile is intended to cleanly perform old-style
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* The profile can be selected by the user at runtime.
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* The classic profile is intended to cleanly perform old-style
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* function selection (threshold =/!= 0)
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*
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****************************************************************************/
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@ -137,6 +141,209 @@ AccelerationDefaultCleanup(DeviceIntPtr pDev)
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}
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}
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/*************************
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* Input property support
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************************/
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/**
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* choose profile
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*/
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static int
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AccelSetProfileProperty(DeviceIntPtr dev, Atom atom,
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XIPropertyValuePtr val, BOOL checkOnly)
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{
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DeviceVelocityPtr pVel;
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int profile, *ptr = &profile;
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int rc;
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int nelem = 1;
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if (atom != XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER))
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return Success;
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pVel = GetDevicePredictableAccelData(dev);
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if (!pVel)
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return BadValue;
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rc = XIPropToInt(val, &nelem, &ptr);
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if(checkOnly)
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{
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if (rc)
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return rc;
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if (GetAccelerationProfile(pVel, profile) == NULL)
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return BadValue;
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} else
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SetAccelerationProfile(pVel, profile);
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return Success;
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}
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static void
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AccelInitProfileProperty(DeviceIntPtr dev, DeviceVelocityPtr pVel)
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{
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int profile = pVel->statistics.profile_number;
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Atom prop_profile_number = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
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XIChangeDeviceProperty(dev, prop_profile_number, XA_INTEGER, 32,
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PropModeReplace, 1, &profile, FALSE);
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XISetDevicePropertyDeletable(dev, prop_profile_number, FALSE);
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XIRegisterPropertyHandler(dev, AccelSetProfileProperty, NULL, NULL);
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}
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/**
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* constant deceleration
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*/
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static int
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AccelSetDecelProperty(DeviceIntPtr dev, Atom atom,
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XIPropertyValuePtr val, BOOL checkOnly)
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{
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DeviceVelocityPtr pVel;
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float v, *ptr = &v;
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int rc;
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int nelem = 1;
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if (atom != XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION))
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return Success;
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pVel = GetDevicePredictableAccelData(dev);
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if (!pVel)
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return BadValue;
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rc = XIPropToFloat(val, &nelem, &ptr);
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if(checkOnly)
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{
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if (rc)
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return rc;
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return (v >= 1.0f) ? Success : BadValue;
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}
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if(v >= 1.0f)
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pVel->const_acceleration = 1/v;
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return Success;
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}
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static void
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AccelInitDecelProperty(DeviceIntPtr dev, DeviceVelocityPtr pVel)
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{
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float fval = 1.0/pVel->const_acceleration;
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Atom prop_const_decel = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION);
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XIChangeDeviceProperty(dev, prop_const_decel,
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XIGetKnownProperty(XATOM_FLOAT), 32,
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PropModeReplace, 1, &fval, FALSE);
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XISetDevicePropertyDeletable(dev, prop_const_decel, FALSE);
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XIRegisterPropertyHandler(dev, AccelSetDecelProperty, NULL, NULL);
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}
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/**
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* adaptive deceleration
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*/
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static int
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AccelSetAdaptDecelProperty(DeviceIntPtr dev, Atom atom,
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XIPropertyValuePtr val, BOOL checkOnly)
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{
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DeviceVelocityPtr pVel;
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float v, *ptr = &v;
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int rc;
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int nelem = 1;
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if (atom != XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION))
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return Success;
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pVel = GetDevicePredictableAccelData(dev);
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if (!pVel)
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return BadValue;
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rc = XIPropToFloat(val, &nelem, &ptr);
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if(checkOnly)
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{
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if (rc)
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return rc;
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return (v >= 1.0f) ? Success : BadValue;
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}
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if(v >= 1.0f)
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pVel->min_acceleration = 1/v;
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return Success;
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}
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static void
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AccelInitAdaptDecelProperty(DeviceIntPtr dev, DeviceVelocityPtr pVel)
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{
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float fval = 1.0/pVel->min_acceleration;
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Atom prop_adapt_decel = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION);
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XIChangeDeviceProperty(dev, prop_adapt_decel, XIGetKnownProperty(XATOM_FLOAT), 32,
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PropModeReplace, 1, &fval, FALSE);
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XISetDevicePropertyDeletable(dev, prop_adapt_decel, FALSE);
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XIRegisterPropertyHandler(dev, AccelSetAdaptDecelProperty, NULL, NULL);
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}
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/**
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* velocity scaling
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*/
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static int
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AccelSetScaleProperty(DeviceIntPtr dev, Atom atom,
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XIPropertyValuePtr val, BOOL checkOnly)
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{
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DeviceVelocityPtr pVel;
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float v, *ptr = &v;
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int rc;
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int nelem = 1;
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if (atom != XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING))
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return Success;
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pVel = GetDevicePredictableAccelData(dev);
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if (!pVel)
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return BadValue;
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rc = XIPropToFloat(val, &nelem, &ptr);
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if (checkOnly)
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{
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if (rc)
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return rc;
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return (v > 0) ? Success : BadValue;
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}
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if(v > 0)
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pVel->corr_mul = v;
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return Success;
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}
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static void
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AccelInitScaleProperty(DeviceIntPtr dev, DeviceVelocityPtr pVel)
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{
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float fval = pVel->corr_mul;
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Atom prop_velo_scale = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
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XIChangeDeviceProperty(dev, prop_velo_scale, XIGetKnownProperty(XATOM_FLOAT), 32,
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PropModeReplace, 1, &fval, FALSE);
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XISetDevicePropertyDeletable(dev, prop_velo_scale, FALSE);
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XIRegisterPropertyHandler(dev, AccelSetScaleProperty, NULL, NULL);
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}
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BOOL
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InitializePredictableAccelerationProperties(DeviceIntPtr device)
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{
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DeviceVelocityPtr pVel = GetDevicePredictableAccelData(device);
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if(!pVel)
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return FALSE;
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AccelInitProfileProperty(device, pVel);
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AccelInitDecelProperty(device, pVel);
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AccelInitAdaptDecelProperty(device, pVel);
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AccelInitScaleProperty(device, pVel);
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return TRUE;
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}
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/*********************
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* Filtering logic
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********************/
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@ -43,6 +43,7 @@
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#define AccelProfilePower 5
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#define AccelProfileLinear 6
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#define AccelProfileReserved 7
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#define AccelProfileLAST AccelProfileReserved
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/* fwd */
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struct _DeviceVelocityRec;
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@ -103,6 +104,9 @@ typedef struct _DeviceVelocityRec {
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extern _X_EXPORT void
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InitVelocityData(DeviceVelocityPtr s);
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extern _X_EXPORT BOOL
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InitializePredictableAccelerationProperties(DeviceIntPtr pDev);
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extern _X_EXPORT void
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InitFilterChain(DeviceVelocityPtr s, float rdecay, float degression,
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int lutsize, int stages);
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@ -33,4 +33,14 @@
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/* BOOL. 0 - device disabled, 1 - device enabled */
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#define XI_PROP_ENABLED "Device Enabled"
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/* Pointer acceleration properties */
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/* INTEGER of any format */
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#define ACCEL_PROP_PROFILE_NUMBER "Device Accel Profile"
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/* FLOAT, format 32 */
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#define ACCEL_PROP_CONSTANT_DECELERATION "Device Accel Constant Deceleration"
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/* FLOAT, format 32 */
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#define ACCEL_PROP_ADAPTIVE_DECELERATION "Device Accel Adaptive Deceleration"
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/* FLOAT, format 32 */
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#define ACCEL_PROP_VELOCITY_SCALING "Device Accel Velocity Scaling"
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#endif
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