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Commit 910dc160 authored by Nathaniel R. Lewis's avatar Nathaniel R. Lewis Committed by Automerger Merge Worker
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Add relative coordinates for touchpad events. am: 50908afd 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1447896

Change-Id: I3bf00744aa15396d26023c7acd92b0f1f393e8e1
parents e49e8caf 50908afd

services/inputflinger/reader/mapper/TouchInputMapper.cpp

+20 −5
Original line number Diff line number Diff line
@@ -142,12 +142,14 @@ void CookedPointerData::clear() { 
    hoveringIdBits.clear();

    touchingIdBits.clear();

    canceledIdBits.clear();

    validIdBits.clear();

}



void CookedPointerData::copyFrom(const CookedPointerData& other) {

    pointerCount = other.pointerCount;

    hoveringIdBits = other.hoveringIdBits;

    touchingIdBits = other.touchingIdBits;

    validIdBits = other.validIdBits;



    for (uint32_t i = 0; i < pointerCount; i++) {

        pointerProperties[i].copyFrom(other.pointerProperties[i]);
@@ -288,12 +290,14 @@ void TouchInputMapper::dump(std::string& dump) { 
        const PointerProperties& pointerProperties =

                mLastCookedState.cookedPointerData.pointerProperties[i];

        const PointerCoords& pointerCoords = mLastCookedState.cookedPointerData.pointerCoords[i];

        dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, "

                                     "touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, "

                                     "toolMinor=%0.3f, "

        dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, dx=%0.3f, dy=%0.3f, "

                                     "pressure=%0.3f, touchMajor=%0.3f, touchMinor=%0.3f, "

                                     "toolMajor=%0.3f, toolMinor=%0.3f, "

                                     "orientation=%0.3f, tilt=%0.3f, distance=%0.3f, "

                                     "toolType=%d, isHovering=%s\n",

                             i, pointerProperties.id, pointerCoords.getX(), pointerCoords.getY(),

                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X),

                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y),

                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),

                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),

                             pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
@@ -2270,15 +2274,26 @@ void TouchInputMapper::cookPointerData() { 
            out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor);

        }



        // Write output relative fieldis if applicable.

        uint32_t id = in.id;

        if (mSource == AINPUT_SOURCE_TOUCHPAD &&

            mLastCookedState.cookedPointerData.hasPointerCoordsForId(id)) {

            const PointerCoords& p = mLastCookedState.cookedPointerData.pointerCoordsForId(id);

            float dx = xTransformed - p.getAxisValue(AMOTION_EVENT_AXIS_X);

            float dy = yTransformed - p.getAxisValue(AMOTION_EVENT_AXIS_Y);

            out.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, dx);

            out.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, dy);

        }



        // Write output properties.

        PointerProperties& properties = mCurrentCookedState.cookedPointerData.pointerProperties[i];

        uint32_t id = in.id;

        properties.clear();

        properties.id = id;

        properties.toolType = in.toolType;



        // Write id index.

        // Write id index and mark id as valid.

        mCurrentCookedState.cookedPointerData.idToIndex[id] = i;

        mCurrentCookedState.cookedPointerData.validIdBits.markBit(id);

    }

}

services/inputflinger/reader/mapper/TouchInputMapper.h

+3 −1
Original line number Diff line number Diff line
@@ -103,7 +103,7 @@ struct CookedPointerData { 
    uint32_t pointerCount;

    PointerProperties pointerProperties[MAX_POINTERS];

    PointerCoords pointerCoords[MAX_POINTERS];

    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits;

    BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits, validIdBits;

    uint32_t idToIndex[MAX_POINTER_ID + 1];



    CookedPointerData();
@@ -129,6 +129,8 @@ struct CookedPointerData { 
    inline bool isTouching(uint32_t pointerIndex) const {

        return touchingIdBits.hasBit(pointerProperties[pointerIndex].id);

    }



    inline bool hasPointerCoordsForId(uint32_t id) const { return validIdBits.hasBit(id); }

};



class TouchInputMapper : public InputMapper {