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Commit 48780bd4 authored by YuhanYang's avatar YuhanYang Committed by Yuhan Yang
Browse files

Add support to mouse controlled scrolling 

Bug: 383555305
Test: N/A
Flag: com.android.hardware.input.mouse_scrolling_acceleration
Change-Id: I26c39339f0ec8b557d42a350731e3e6a2ba0a8db
parent 8a2ac033

libs/input/android/os/IInputConstants.aidl

+3 −0
Original line number Diff line number Diff line
@@ -76,6 +76,9 @@ interface IInputConstants 
    /* The default pointer acceleration value. */

    const int DEFAULT_POINTER_ACCELERATION = 3;



    /* The default mouse wheel acceleration value. */

    const int DEFAULT_MOUSE_WHEEL_ACCELERATION = 4;



    /**

     * Use the default Velocity Tracker Strategy. Different axes may use different default

     * strategies.

services/inputflinger/include/InputReaderBase.h

+4 −1
Original line number Diff line number Diff line
@@ -279,7 +279,10 @@ struct InputReaderConfiguration { 
                                             static_cast<float>(

                                                     android::os::IInputConstants::

                                                             DEFAULT_POINTER_ACCELERATION)),

            wheelVelocityControlParameters(1.0f, 15.0f, 50.0f, 4.0f),

            wheelVelocityControlParameters(1.0f, 15.0f, 50.0f,

                                           static_cast<float>(

                                                   android::os::IInputConstants::

                                                           DEFAULT_MOUSE_WHEEL_ACCELERATION)),

            pointerGesturesEnabled(true),

            pointerGestureQuietInterval(100 * 1000000LL),            // 100 ms

            pointerGestureDragMinSwitchSpeed(50),                    // 50 pixels per second