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authormarha <marha@users.sourceforge.net>2011-03-04 15:38:04 +0000
committermarha <marha@users.sourceforge.net>2011-03-04 15:38:04 +0000
commit3592ad31cfc72ffff3c9024eecea7d3b987c7954 (patch)
tree0e3b50cb6bcd0839b591d318a41d04b7cbd8e6e2 /xorg-server/include/ptrveloc.h
parent79409465b0b8d5d38e6b94deb1943316f40c66eb (diff)
parent0a5888393c68f6f7db86206d1f277232db18240b (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/include/ptrveloc.h')
-rw-r--r--xorg-server/include/ptrveloc.h278
1 files changed, 138 insertions, 140 deletions
diff --git a/xorg-server/include/ptrveloc.h b/xorg-server/include/ptrveloc.h
index 6f999a88f..520498942 100644
--- a/xorg-server/include/ptrveloc.h
+++ b/xorg-server/include/ptrveloc.h
@@ -1,140 +1,138 @@
-/*
- *
- * Copyright © 2006-2009 Simon Thum simon dot thum at gmx dot de
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef POINTERVELOCITY_H
-#define POINTERVELOCITY_H
-
-#include <input.h> /* DeviceIntPtr */
-
-/* constants for acceleration profiles */
-
-#define AccelProfileNone -1
-#define AccelProfileClassic 0
-#define AccelProfileDeviceSpecific 1
-#define AccelProfilePolynomial 2
-#define AccelProfileSmoothLinear 3
-#define AccelProfileSimple 4
-#define AccelProfilePower 5
-#define AccelProfileLinear 6
-#define AccelProfileSmoothLimited 7
-#define AccelProfileLAST AccelProfileSmoothLimited
-
-/* fwd */
-struct _DeviceVelocityRec;
-
-/**
- * profile
- * returns actual acceleration depending on velocity, acceleration control,...
- */
-typedef float (*PointerAccelerationProfileFunc)
- (DeviceIntPtr dev, struct _DeviceVelocityRec* vel,
- float velocity, float threshold, float accelCoeff);
-
-/**
- * a motion history, with just enough information to
- * calc mean velocity and decide which motion was along
- * a more or less straight line
- */
-typedef struct _MotionTracker {
- int dx, dy; /* accumulated delta for each axis */
- int time; /* time of creation */
- int dir; /* initial direction bitfield */
-} MotionTracker, *MotionTrackerPtr;
-
-/* number of properties for predictable acceleration */
-#define NPROPS_PREDICTABLE_ACCEL 4
-
-/**
- * Contains all data needed to implement mouse ballistics
- */
-typedef struct _DeviceVelocityRec {
- MotionTrackerPtr tracker;
- int num_tracker;
- int cur_tracker; /* current index */
- float velocity; /* velocity as guessed by algorithm */
- float last_velocity; /* previous velocity estimate */
- int last_dx; /* last time-difference */
- int last_dy ; /* phase of last/current estimate */
- float corr_mul; /* config: multiply this into velocity */
- float const_acceleration; /* config: (recipr.) const deceleration */
- float min_acceleration; /* config: minimum acceleration */
- short reset_time; /* config: reset non-visible state after # ms */
- short use_softening; /* config: use softening of mouse values */
- float max_rel_diff; /* config: max. relative difference */
- float 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;
- } statistics;
- long prop_handlers[NPROPS_PREDICTABLE_ACCEL];
-} DeviceVelocityRec, *DeviceVelocityPtr;
-
-extern _X_EXPORT void
-InitVelocityData(DeviceVelocityPtr vel);
-
-extern _X_EXPORT void
-InitTrackers(DeviceVelocityPtr vel, int ntracker);
-
-extern _X_EXPORT short
-ProcessVelocityData2D(DeviceVelocityPtr vel, int dx, int dy, int time);
-
-extern _X_EXPORT float
-BasicComputeAcceleration(DeviceIntPtr dev, DeviceVelocityPtr vel,
- float velocity, float threshold, float acc);
-
-extern _X_EXPORT void
-FreeVelocityData(DeviceVelocityPtr vel);
-
-extern _X_INTERNAL BOOL
-InitializePredictableAccelerationProperties(DeviceIntPtr dev);
-
-extern _X_INTERNAL BOOL
-DeletePredictableAccelerationProperties(DeviceIntPtr dev);
-
-extern _X_EXPORT int
-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);
-
-extern _X_INTERNAL void
-acceleratePointerPredictable(DeviceIntPtr dev, int first_valuator,
- int num_valuators, int *valuators, int evtime);
-
-extern _X_INTERNAL void
-acceleratePointerLightweight(DeviceIntPtr dev, int first_valuator,
- int num_valuators, int *valuators, int ignored);
-
-#endif /* POINTERVELOCITY_H */
+/*
+ *
+ * Copyright © 2006-2009 Simon Thum simon dot thum at gmx dot de
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef POINTERVELOCITY_H
+#define POINTERVELOCITY_H
+
+#include <input.h> /* DeviceIntPtr */
+
+/* constants for acceleration profiles */
+
+#define AccelProfileNone -1
+#define AccelProfileClassic 0
+#define AccelProfileDeviceSpecific 1
+#define AccelProfilePolynomial 2
+#define AccelProfileSmoothLinear 3
+#define AccelProfileSimple 4
+#define AccelProfilePower 5
+#define AccelProfileLinear 6
+#define AccelProfileSmoothLimited 7
+#define AccelProfileLAST AccelProfileSmoothLimited
+
+/* fwd */
+struct _DeviceVelocityRec;
+
+/**
+ * profile
+ * returns actual acceleration depending on velocity, acceleration control,...
+ */
+typedef float (*PointerAccelerationProfileFunc)
+ (DeviceIntPtr dev, struct _DeviceVelocityRec* vel,
+ float velocity, float threshold, float accelCoeff);
+
+/**
+ * a motion history, with just enough information to
+ * calc mean velocity and decide which motion was along
+ * a more or less straight line
+ */
+typedef struct _MotionTracker {
+ int dx, dy; /* accumulated delta for each axis */
+ int time; /* time of creation */
+ int dir; /* initial direction bitfield */
+} MotionTracker, *MotionTrackerPtr;
+
+/* number of properties for predictable acceleration */
+#define NPROPS_PREDICTABLE_ACCEL 4
+
+/**
+ * Contains all data needed to implement mouse ballistics
+ */
+typedef struct _DeviceVelocityRec {
+ MotionTrackerPtr tracker;
+ int num_tracker;
+ int cur_tracker; /* current index */
+ float velocity; /* velocity as guessed by algorithm */
+ float last_velocity; /* previous velocity estimate */
+ int last_dx; /* last time-difference */
+ int last_dy ; /* phase of last/current estimate */
+ float corr_mul; /* config: multiply this into velocity */
+ float const_acceleration; /* config: (recipr.) const deceleration */
+ float min_acceleration; /* config: minimum acceleration */
+ short reset_time; /* config: reset non-visible state after # ms */
+ short use_softening; /* config: use softening of mouse values */
+ float max_rel_diff; /* config: max. relative difference */
+ float 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;
+ } statistics;
+ long prop_handlers[NPROPS_PREDICTABLE_ACCEL];
+} DeviceVelocityRec, *DeviceVelocityPtr;
+
+extern _X_EXPORT void
+InitVelocityData(DeviceVelocityPtr vel);
+
+extern _X_EXPORT void
+InitTrackers(DeviceVelocityPtr vel, int ntracker);
+
+extern _X_EXPORT short
+ProcessVelocityData2D(DeviceVelocityPtr vel, int dx, int dy, int time);
+
+extern _X_EXPORT float
+BasicComputeAcceleration(DeviceIntPtr dev, DeviceVelocityPtr vel,
+ float velocity, float threshold, float acc);
+
+extern _X_EXPORT void
+FreeVelocityData(DeviceVelocityPtr vel);
+
+extern _X_EXPORT int
+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);
+
+extern _X_INTERNAL Bool
+InitPredictableAccelerationScheme(DeviceIntPtr dev,
+ struct _ValuatorAccelerationRec* protoScheme);
+
+extern _X_INTERNAL void
+acceleratePointerPredictable(DeviceIntPtr dev, int first_valuator,
+ int num_valuators, int *valuators, int evtime);
+
+extern _X_INTERNAL void
+acceleratePointerLightweight(DeviceIntPtr dev, int first_valuator,
+ int num_valuators, int *valuators, int ignored);
+
+#endif /* POINTERVELOCITY_H */