1 /*
2  * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 /**
17  * @addtogroup UI_Events
18  * @{
19  *
20  * @brief Defines UI events, such as press, click and drag events.
21  *
22  * @since 1.0
23  * @version 1.0
24  */
25 
26 /**
27  * @file cancel_event.h
28  *
29  * @brief Declares a cancel event, which usually occurs when the target view changes due to user sliding. For example,
30           this event is triggered if you, after pressing a button, does not release the button but slides.
31  *
32  * @since 1.0
33  * @version 1.0
34  */
35 
36 #ifndef GRAPHIC_LITE_CANCEL_EVENT_H
37 #define GRAPHIC_LITE_CANCEL_EVENT_H
38 
39 #include "event.h"
40 
41 namespace OHOS {
42 /**
43  * @brief Defines a cancel event, which usually occurs when the target view changes due to user sliding. For example,
44           this event is triggered if you, after pressing a button, does not release the button but slides.
45  * @since 1.0
46  * @version 1.0
47  */
48 class CancelEvent : public Event {
49 public:
50     /**
51      * @brief A constructor used to create a <b>CancelEvent</b> instance.
52      * @param pos Indicates the position where the cancel event occurs.
53      * @since 1.0
54      * @version 1.0
55      */
CancelEvent(const Point & pos)56     CancelEvent(const Point& pos) : Event(pos) {}
57 
58     /**
59      * @brief A destructor used to delete the <b>CancelEvent</b> instance.
60      * @since 1.0
61      * @version 1.0
62      */
~CancelEvent()63     virtual ~CancelEvent() {}
64 };
65 } // namespace OHOS
66 #endif // GRAPHIC_LITE_CANCEL_EVENT_H
67