[PATCH 1/6] dix: ptraccel - Add GetAccelerationProfile()

[Peter Hutterer]

From: Simon Thum <simon.thum at gmx.de>

Signed-off-by: Peter Hutterer <peter.hutterer at redhat.com>
---
 dix/ptrveloc.c |   65 ++++++++++++++++++++++++++++---------------------------
 1 files changed, 33 insertions(+), 32 deletions(-)

diff --git a/dix/ptrveloc.c b/dix/ptrveloc.c
index a1f6e7a..95a7c71 100644
--- a/dix/ptrveloc.c
+++ b/dix/ptrveloc.c
@@ -75,7 +75,8 @@ CleanupFilterChain(DeviceVelocityPtr s);
 static float
 SimpleSmoothProfile(DeviceVelocityPtr pVel, float velocity,
                     float threshold, float acc);
-
+static PointerAccelerationProfileFunc
+GetAccelerationProfile(DeviceVelocityPtr s, int profile_num);
 
 
 /*#define PTRACCEL_DEBUGGING*/
@@ -675,52 +676,52 @@ LinearProfile(
 }
 
 
-/**
- * Set the profile by number.
- * Intended to make profiles exchangeable at runtime.
- * If you created a profile, give it a number here and in the header to
- * make it selectable. In case some profile-specific init is needed, here
- * would be a good place, since FreeVelocityData() also calls this with -1.
- * returns FALSE (0) if profile number is unavailable.
- */
-int
-SetAccelerationProfile(
+static PointerAccelerationProfileFunc
+GetAccelerationProfile(
     DeviceVelocityPtr s,
     int profile_num)
 {
-    PointerAccelerationProfileFunc profile;
     switch(profile_num){
-        case -1:
-            profile = NULL;  /* Special case to uninit properly */
-            break;
         case AccelProfileClassic:
-            profile = ClassicProfile;
-            break;
+            return ClassicProfile;
         case AccelProfileDeviceSpecific:
-            if(NULL == s->deviceSpecificProfile)
-        	return FALSE;
-            profile = s->deviceSpecificProfile;
-            break;
+            return s->deviceSpecificProfile;
         case AccelProfilePolynomial:
-            profile = PolynomialAccelerationProfile;
-            break;
+            return PolynomialAccelerationProfile;
         case AccelProfileSmoothLinear:
-            profile = SmoothLinearProfile;
-            break;
+            return SmoothLinearProfile;
         case AccelProfileSimple:
-            profile = SimpleSmoothProfile;
-            break;
+            return SimpleSmoothProfile;
         case AccelProfilePower:
-            profile = PowerProfile;
-            break;
+            return PowerProfile;
         case AccelProfileLinear:
-            profile = LinearProfile;
-            break;
+            return LinearProfile;
         case AccelProfileReserved:
             /* reserved for future use, e.g. a user-defined profile */
         default:
-            return FALSE;
+            return NULL;
     }
+}
+
+/**
+ * Set the profile by number.
+ * Intended to make profiles exchangeable at runtime.
+ * If you created a profile, give it a number here and in the header to
+ * make it selectable. In case some profile-specific init is needed, here
+ * would be a good place, since FreeVelocityData() also calls this with -1.
+ * returns FALSE (0) if profile number is unavailable.
+ */
+int
+SetAccelerationProfile(
+    DeviceVelocityPtr s,
+    int profile_num)
+{
+    PointerAccelerationProfileFunc profile;
+    profile = GetAccelerationProfile(s, profile_num);
+
+    if(profile == NULL && profile_num != -1)
+	return FALSE;
+
     if(s->profile_private != NULL){
         /* Here one could free old profile-private data */
         xfree(s->profile_private);
-- 
1.6.0.4