C++ (Cpp) touchBegan示例

示例#1

文件： native_engine.cpp 项目： Uliori/Origami

bool NativeEngine::HandleInput(AInputEvent *event) {

    if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION)
    {
        int32_t action = AMotionEvent_getAction(event);
        size_t pointerIndex;
        size_t pointerId;
        size_t pointerCount;
        int x;
        int y;

        switch (action & AMOTION_EVENT_ACTION_MASK)
        {
            case AMOTION_EVENT_ACTION_DOWN:
                pointerId = AMotionEvent_getPointerId(event, 0);
                x = AMotionEvent_getX(event, 0);
                y = AMotionEvent_getY(event, 0);

                touchBegan(pointerId, Origami::maths::vec2(x, y));

                break;
            case AMOTION_EVENT_ACTION_UP:
                pointerId = AMotionEvent_getPointerId(event, 0);
                x = AMotionEvent_getX(event, 0);
                y = AMotionEvent_getY(event, 0);

                touchended(pointerId, Origami::maths::vec2(x, y));
                break;
            case AMOTION_EVENT_ACTION_POINTER_DOWN:
                pointerIndex = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
                pointerId = AMotionEvent_getPointerId(event, pointerIndex);
                x = AMotionEvent_getX(event, pointerIndex);
                y = AMotionEvent_getY(event, pointerIndex);

                touchBegan(pointerId, Origami::maths::vec2(x, y));
                break;
            case AMOTION_EVENT_ACTION_POINTER_UP:
                pointerIndex = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
                pointerId = AMotionEvent_getPointerId(event, pointerIndex);
                x = AMotionEvent_getX(event, pointerIndex);
                y = AMotionEvent_getY(event, pointerIndex);

                touchended(pointerId, Origami::maths::vec2(x, y));
                break;
            case AMOTION_EVENT_ACTION_MOVE:
                pointerCount = AMotionEvent_getPointerCount(event);
                for (size_t i = 0; i < pointerCount; ++i) {
                    pointerId = AMotionEvent_getPointerId(event, i);
                    x = AMotionEvent_getX(event, i);
                    y = AMotionEvent_getY(event, i);

                    touchMoved(pointerId, Origami::maths::vec2(x, y));
                }
                break;
        }
    }

示例#2

文件： EditorNode.cpp 项目： wyrover/CoolRun

bool EditorNode::onTouchBegan(Touch *touch, Event *unusedEvent)
{
    if (!isTouchInside(touch) || !this->isVisible() || !this->hasVisibleParents())
    {
        return false;
    }
    m_beganTouchLoc = touch->getLocation();
    m_lastTouchLoc = m_beganTouchLoc;
    if (touchBegan)
    {
        touchBegan();
    }
    b_isTouchMoved = false;
    return true;
}

示例#3

文件： mgdrawlines.cpp 项目： huangzongwu/touchvg

bool MgCmdDrawLines::click(const MgMotion* sender)
{
    return (m_step == 0 ? _click(sender)
            : touchBegan(sender) && touchEnded(sender));
}

示例#4

文件： mgdrawline.cpp 项目： shuangyou/TouchVGCore

bool MgCmdDrawDot::click(const MgMotion* sender)
{
    return touchBegan(sender) && touchEnded(sender);
}

示例#5

文件： mgdrawtriang.cpp 项目： fanliugen/touchvg

bool MgCmdParallelogram::click(const MgMotion* sender)
{
    return touchBegan(sender) && touchEnded(sender);
}