C++ KeyEvent::getSource方法代码示例

TEST_F(KeyEventTest, Properties) {
    KeyEvent event;

    // Initialize and get properties.
    const nsecs_t ARBITRARY_DOWN_TIME = 1;
    const nsecs_t ARBITRARY_EVENT_TIME = 2;
    event.initialize(2, AINPUT_SOURCE_GAMEPAD, AKEY_EVENT_ACTION_DOWN,
            AKEY_EVENT_FLAG_FROM_SYSTEM, AKEYCODE_BUTTON_X, 121,
            AMETA_ALT_ON, 1, ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME);

    ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event.getType());
    ASSERT_EQ(2, event.getDeviceId());
    ASSERT_EQ(static_cast<int>(AINPUT_SOURCE_GAMEPAD), event.getSource());
    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, event.getAction());
    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, event.getFlags());
    ASSERT_EQ(AKEYCODE_BUTTON_X, event.getKeyCode());
    ASSERT_EQ(121, event.getScanCode());
    ASSERT_EQ(AMETA_ALT_ON, event.getMetaState());
    ASSERT_EQ(1, event.getRepeatCount());
    ASSERT_EQ(ARBITRARY_DOWN_TIME, event.getDownTime());
    ASSERT_EQ(ARBITRARY_EVENT_TIME, event.getEventTime());

    // Set source.
    event.setSource(AINPUT_SOURCE_JOYSTICK);
    ASSERT_EQ(static_cast<int>(AINPUT_SOURCE_JOYSTICK), event.getSource());
}

void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
    status_t status;

    const uint32_t seq = 15;
    const int32_t deviceId = 1;
    const int32_t source = AINPUT_SOURCE_KEYBOARD;
    const int32_t action = AKEY_EVENT_ACTION_DOWN;
    const int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
    const int32_t keyCode = AKEYCODE_ENTER;
    const int32_t scanCode = 13;
    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    const int32_t repeatCount = 1;
    const nsecs_t downTime = 3;
    const nsecs_t eventTime = 4;

    status = mPublisher->publishKeyEvent(seq, deviceId, source, action, flags,
                                         keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
    ASSERT_EQ(OK, status)
            << "publisher publishKeyEvent should return OK";

    uint32_t consumeSeq;
    InputEvent* event;
    status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, &event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
            << "consumer should have returned a key event";

    KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
    EXPECT_EQ(seq, consumeSeq);
    EXPECT_EQ(deviceId, keyEvent->getDeviceId());
    EXPECT_EQ(source, keyEvent->getSource());
    EXPECT_EQ(action, keyEvent->getAction());
    EXPECT_EQ(flags, keyEvent->getFlags());
    EXPECT_EQ(keyCode, keyEvent->getKeyCode());
    EXPECT_EQ(scanCode, keyEvent->getScanCode());
    EXPECT_EQ(metaState, keyEvent->getMetaState());
    EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
    EXPECT_EQ(downTime, keyEvent->getDownTime());
    EXPECT_EQ(eventTime, keyEvent->getEventTime());

    status = mConsumer->sendFinishedSignal(seq, true);
    ASSERT_EQ(OK, status)
            << "consumer sendFinishedSignal should return OK";

    uint32_t finishedSeq = 0;
    bool handled = false;
    status = mPublisher->receiveFinishedSignal(&finishedSeq, &handled);
    ASSERT_EQ(OK, status)
            << "publisher receiveFinishedSignal should return OK";
    ASSERT_EQ(seq, finishedSeq)
            << "publisher receiveFinishedSignal should have returned the original sequence number";
    ASSERT_TRUE(handled)
            << "publisher receiveFinishedSignal should have set handled to consumer's reply";
}

void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
    status_t status;

    const int32_t deviceId = 1;
    const int32_t source = AINPUT_SOURCE_KEYBOARD;
    const int32_t action = AKEY_EVENT_ACTION_DOWN;
    const int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
    const int32_t keyCode = AKEYCODE_ENTER;
    const int32_t scanCode = 13;
    const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    const int32_t repeatCount = 1;
    const nsecs_t downTime = 3;
    const nsecs_t eventTime = 4;

    status = mPublisher->publishKeyEvent(deviceId, source, action, flags,
            keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
    ASSERT_EQ(OK, status)
            << "publisher publishKeyEvent should return OK";

    status = mPublisher->sendDispatchSignal();
    ASSERT_EQ(OK, status)
            << "publisher sendDispatchSignal should return OK";

    status = mConsumer->receiveDispatchSignal();
    ASSERT_EQ(OK, status)
            << "consumer receiveDispatchSignal should return OK";

    InputEvent* event;
    status = mConsumer->consume(& mEventFactory, & event);
    ASSERT_EQ(OK, status)
            << "consumer consume should return OK";

    ASSERT_TRUE(event != NULL)
            << "consumer should have returned non-NULL event";
    ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
            << "consumer should have returned a key event";

    KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
    EXPECT_EQ(deviceId, keyEvent->getDeviceId());
    EXPECT_EQ(source, keyEvent->getSource());
    EXPECT_EQ(action, keyEvent->getAction());
    EXPECT_EQ(flags, keyEvent->getFlags());
    EXPECT_EQ(keyCode, keyEvent->getKeyCode());
    EXPECT_EQ(scanCode, keyEvent->getScanCode());
    EXPECT_EQ(metaState, keyEvent->getMetaState());
    EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
    EXPECT_EQ(downTime, keyEvent->getDownTime());
    EXPECT_EQ(eventTime, keyEvent->getEventTime());

    status = mConsumer->sendFinishedSignal();
    ASSERT_EQ(OK, status)
            << "consumer sendFinishedSignal should return OK";

    status = mPublisher->receiveFinishedSignal();
    ASSERT_EQ(OK, status)
            << "publisher receiveFinishedSignal should return OK";

    status = mPublisher->reset();
    ASSERT_EQ(OK, status)
            << "publisher reset should return OK";
}

void Gui::distributeKeyEvent(KeyEvent& keyEvent)
{
    Widget* parent = keyEvent.getSource();
    Widget* widget = keyEvent.getSource();

    if (mFocusHandler->getModalFocused() != NULL
            && !widget->isModalFocused())
    {
        return;
    }

    if (mFocusHandler->getModalMouseInputFocused() != NULL
            && !widget->isModalMouseInputFocused())
    {
        return;
    }

    while (parent != NULL)
    {
        // If the widget has been removed due to input
        // cancel the distribution.
        if (!Widget::widgetExists(widget))
        {
            break;
        }

        parent = (Widget*)widget->getParent();

        if (widget->isEnabled())
        {
            std::list<KeyListener*> keyListeners = widget->_getKeyListeners();

            // Send the event to all key listeners of the source widget.
            for (std::list<KeyListener*>::iterator it = keyListeners.begin();
                    it != keyListeners.end();
                    ++it)
            {
                switch (keyEvent.getType())
                {
                case KeyEvent::PRESSED:
                    (*it)->keyPressed(keyEvent);
                    break;
                case KeyEvent::RELEASED:
                    (*it)->keyReleased(keyEvent);
                    break;
                default:
                    throw GCN_EXCEPTION("Unknown key event type.");
                }
            }
        }

        Widget* swap = widget;
        widget = parent;
        parent = (Widget*)swap->getParent();

        // If a non modal focused widget has been reach
        // and we have modal focus cancel the distribution.
        if (mFocusHandler->getModalFocused() != NULL
                && !widget->isModalFocused())
        {
            break;
        }
    }
}