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))
}
}
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))
}
}
func processEvent(cb Callbacks, 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:
if cb.Touch == nil {
return
}
x := C.AMotionEvent_getX(e, 0)
y := C.AMotionEvent_getY(e, 0)
var ty event.TouchType
switch C.AMotionEvent_getAction(e) {
case C.AMOTION_EVENT_ACTION_DOWN:
ty = event.TouchStart
case C.AMOTION_EVENT_ACTION_MOVE:
ty = event.TouchMove
case C.AMOTION_EVENT_ACTION_UP:
ty = event.TouchEnd
}
cb.Touch(event.Touch{
Type: ty,
Loc: geom.Point{
X: geom.Pt(float32(x) / geom.PixelsPerPt),
Y: geom.Pt(float32(y) / geom.PixelsPerPt),
},
})
default:
log.Printf("unknown input event, type=%d", C.AInputEvent_getType(e))
}
}
func dispatchEvent(nativeEvent *C.AInputEvent) bool {
switch C.AInputEvent_getType(nativeEvent) {
case C.AINPUT_EVENT_TYPE_MOTION:
action := C.AMotionEvent_getAction(nativeEvent) & C.AMOTION_EVENT_ACTION_MASK
switch action {
case C.AMOTION_EVENT_ACTION_UP:
down := false
x := float32(C.AMotionEvent_getX(nativeEvent, 0))
y := float32(C.AMotionEvent_getY(nativeEvent, 0))
event <- ActionUpDownEvent{Down: down, X: x, Y: y}
case C.AMOTION_EVENT_ACTION_DOWN:
down := true
x := float32(C.AMotionEvent_getX(nativeEvent, 0))
y := float32(C.AMotionEvent_getY(nativeEvent, 0))
event <- ActionUpDownEvent{Down: down, X: x, Y: y}
case C.AMOTION_EVENT_ACTION_MOVE:
x := float32(C.AMotionEvent_getX(nativeEvent, 0))
y := float32(C.AMotionEvent_getY(nativeEvent, 0))
event <- ActionMoveEvent{X: x, Y: y}
}
}
return false
}
func (game *game) onTouch(event *C.AInputEvent) bool {
action := C.AMotionEvent_getAction(event) & C.AMOTION_EVENT_ACTION_MASK
x := float32(C.AMotionEvent_getX(event, 0))
y := float32(C.AMotionEvent_getY(event, 0))
switch action {
case C.AMOTION_EVENT_ACTION_UP:
game.touching = false
case C.AMOTION_EVENT_ACTION_DOWN:
game.touching = true
game.touchX, game.touchY = x, y
case C.AMOTION_EVENT_ACTION_MOVE:
if !game.touching {
break
}
game.offsetX += 2 * (x - game.touchX) / float32(game.width)
game.offsetY += 2 * -(y - game.touchY) / float32(game.height)
game.touchX, game.touchY = x, y
}
return true
}
func processEvent(cb Callbacks, 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:
if cb.Touch == nil {
return
}
// At most one of the events in this batch is an up or down event; get its index and type.
upDownIndex := C.size_t(C.AMotionEvent_getAction(e)&C.AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> C.AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT
upDownTyp := event.TouchMove
switch C.AMotionEvent_getAction(e) & C.AMOTION_EVENT_ACTION_MASK {
case C.AMOTION_EVENT_ACTION_DOWN, C.AMOTION_EVENT_ACTION_POINTER_DOWN:
upDownTyp = event.TouchStart
case C.AMOTION_EVENT_ACTION_UP, C.AMOTION_EVENT_ACTION_POINTER_UP:
upDownTyp = event.TouchEnd
}
for i, n := C.size_t(0), C.AMotionEvent_getPointerCount(e); i < n; i++ {
typ := event.TouchMove
if i == upDownIndex {
typ = upDownTyp
}
x := C.AMotionEvent_getX(e, i)
y := C.AMotionEvent_getY(e, i)
cb.Touch(event.Touch{
Type: typ,
Loc: geom.Point{
X: geom.Pt(float32(x) / geom.PixelsPerPt),
Y: geom.Pt(float32(y) / geom.PixelsPerPt),
},
})
}
default:
log.Printf("unknown input event, type=%d", C.AInputEvent_getType(e))
}
}