+ // Save the status of mouse acceleration
+ originalMouseSpeed = -1.0; // in case of error
+ if(apple_mouse_noaccel.integer)
+ {
+ io_connect_t mouseDev = IN_GetIOHandle();
+ if(mouseDev != 0)
+ {
+ if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
+ {
+ Con_DPrintf("previous mouse acceleration: %f\n", originalMouseSpeed);
+ if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
+ {
+ Con_Print("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
+ Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+ }
+ }
+ else
+ {
+ Con_Print("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
+ Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+ }
+ IOServiceClose(mouseDev);
+ }
+ else
+ {
+ Con_Print("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
+ Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+ }
+ }
+