//export sendTouch func sendTouch(cTouch, cTouchType uintptr, x, y float32) { id := -1 for i, val := range touchIDs { if val == cTouch { id = i break } } if id == -1 { for i, val := range touchIDs { if val == 0 { touchIDs[i] = cTouch id = i break } } if id == -1 { panic("out of touchIDs") } } t := touch.Type(cTouchType) if t == touch.TypeEnd { touchIDs[id] = 0 } eventsIn <- touch.Event{ X: x, Y: y, Sequence: touch.Sequence(id), Type: t, } }
func processEvent(env *C.JNIEnv, e *C.AInputEvent) { switch C.AInputEvent_getType(e) { case C.AINPUT_EVENT_TYPE_KEY: processKey(env, e) case C.AINPUT_EVENT_TYPE_MOTION: // At most one of the events in this batch is an up or down event; get its index and change. upDownIndex := C.size_t(C.AMotionEvent_getAction(e)&C.AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> C.AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT upDownType := touch.TypeMove switch C.AMotionEvent_getAction(e) & C.AMOTION_EVENT_ACTION_MASK { case C.AMOTION_EVENT_ACTION_DOWN, C.AMOTION_EVENT_ACTION_POINTER_DOWN: upDownType = touch.TypeBegin case C.AMOTION_EVENT_ACTION_UP, C.AMOTION_EVENT_ACTION_POINTER_UP: upDownType = touch.TypeEnd } for i, n := C.size_t(0), C.AMotionEvent_getPointerCount(e); i < n; i++ { t := touch.TypeMove if i == upDownIndex { t = upDownType } eventsIn <- touch.Event{ X: float32(C.AMotionEvent_getX(e, i)), Y: float32(C.AMotionEvent_getY(e, i)), Sequence: touch.Sequence(C.AMotionEvent_getPointerId(e, i)), Type: t, } } default: log.Printf("unknown input event, type=%d", C.AInputEvent_getType(e)) } }