示例#1
0
func processEvent(e *C.AInputEvent) {
	switch C.AInputEvent_getType(e) {
	case C.AINPUT_EVENT_TYPE_KEY:
		log.Printf("TODO input event: key")
	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
		upDownChange := event.ChangeNone
		switch C.AMotionEvent_getAction(e) & C.AMOTION_EVENT_ACTION_MASK {
		case C.AMOTION_EVENT_ACTION_DOWN, C.AMOTION_EVENT_ACTION_POINTER_DOWN:
			upDownChange = event.ChangeOn
		case C.AMOTION_EVENT_ACTION_UP, C.AMOTION_EVENT_ACTION_POINTER_UP:
			upDownChange = event.ChangeOff
		}

		for i, n := C.size_t(0), C.AMotionEvent_getPointerCount(e); i < n; i++ {
			change := event.ChangeNone
			if i == upDownIndex {
				change = upDownChange
			}
			eventsIn <- event.Touch{
				ID:     event.TouchSequenceID(C.AMotionEvent_getPointerId(e, i)),
				Change: change,
				Loc: geom.Point{
					X: geom.Pt(float32(C.AMotionEvent_getX(e, i)) / pixelsPerPt),
					Y: geom.Pt(float32(C.AMotionEvent_getY(e, i)) / pixelsPerPt),
				},
			}
		}
	default:
		log.Printf("unknown input event, type=%d", C.AInputEvent_getType(e))
	}
}
示例#2
0
//export sendTouch
func sendTouch(touch, change uintptr, x, y float32) {
	id := -1
	for i, val := range touchIDs {
		if val == touch {
			id = i
			break
		}
	}
	if id == -1 {
		for i, val := range touchIDs {
			if val == 0 {
				touchIDs[i] = touch
				id = i
				break
			}
		}
		if id == -1 {
			panic("out of touchIDs")
		}
	}

	c := event.Change(change)
	if c == event.ChangeOff {
		touchIDs[id] = 0
	}

	eventsIn <- event.Touch{
		ID:     event.TouchSequenceID(id),
		Change: c,
		Loc: geom.Point{
			X: geom.Pt(x / pixelsPerPt),
			Y: geom.Pt(y / pixelsPerPt),
		},
	}
}