/*
* Copyright (c) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @addtogroup ArkUI_NativeModule
* @{
*
* @brief Defines APIs for ArkUI to register gesture callbacks on the native side.
*
* @since 12
*/
/**
* @file native_gesture.h
*
* @brief Provides type definitions for NativeGesture APIs.
*
* @library libace_ndk.z.so
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @since 12
*/
#ifndef ARKUI_NATIVE_GESTTURE_H
#define ARKUI_NATIVE_GESTTURE_H
#include "ui_input_event.h"
#include "native_type.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Defines a gesture recognizer.
*
* @since 12
*/
typedef struct ArkUI_GestureRecognizer ArkUI_GestureRecognizer;
/**
* @brief Defines the gesture interruption information.
*
* @since 12
*/
typedef struct ArkUI_GestureInterruptInfo ArkUI_GestureInterruptInfo;
/**
* @brief Defines the gesture event.
*
* @since 12
*/
typedef struct ArkUI_GestureEvent ArkUI_GestureEvent;
/**
* @brief Enumerates gesture event types.
*
* @since 12
*/
typedef enum {
/** Triggered. */
GESTURE_EVENT_ACTION_ACCEPT = 0x01,
/** Updated. */
GESTURE_EVENT_ACTION_UPDATE = 0x02,
/** Ended. */
GESTURE_EVENT_ACTION_END = 0x04,
/** Canceled. */
GESTURE_EVENT_ACTION_CANCEL = 0x08,
} ArkUI_GestureEventActionType;
/**
* @brief Defines a set of gesture event types.
*
* Example: ArkUI_GestureEventActionTypeMask actions = GESTURE_EVENT_ACTION_ACCEPT | GESTURE_EVENT_ACTION_UPDATE;\n
*
* @since 12
*/
typedef uint32_t ArkUI_GestureEventActionTypeMask;
/**
* @brief Enumerates gesture event modes.
*
* @since 12
*/
typedef enum {
/** Normal. */
NORMAL = 0,
/** High-priority. */
PRIORITY = 1,
/** Parallel. */
PARALLEL = 2,
} ArkUI_GesturePriority;
/**
* @brief Enumerates gesture group modes.
*
* @since 12
*/
typedef enum {
/* Sequential recognition. Gestures are recognized in the registration sequence until all gestures are recognized
* successfully. Once one gesture fails to be recognized, all subsequent gestures fail to be recognized.
* Only the last gesture in the gesture group can respond to the end event. */
SEQUENTIAL_GROUP = 0,
/** Parallel recognition. Registered gestures are recognized concurrently until all gestures are recognized.
* The recognition result of each gesture does not affect each other. */
PARALLEL_GROUP = 1,
/** Exclusive recognition. Registered gestures are identified concurrently.
* If one gesture is successfully recognized, gesture recognition ends. */
EXCLUSIVE_GROUP = 2,
} ArkUI_GroupGestureMode;
/**
* @brief Enumerates gesture directions.
*
* @since 12
*/
typedef enum {
/** All directions. */
GESTURE_DIRECTION_ALL = 0b1111,
/** Horizontal direction. */
GESTURE_DIRECTION_HORIZONTAL = 0b0011,
/** Vertical direction. */
GESTURE_DIRECTION_VERTICAL = 0b1100,
/** Leftward. */
GESTURE_DIRECTION_LEFT = 0b0001,
/** Rightward. */
GESTURE_DIRECTION_RIGHT = 0b0010,
/** Upward. */
GESTURE_DIRECTION_UP = 0b0100,
/** Downward. */
GESTURE_DIRECTION_DOWN = 0b1000,
/** None. */
GESTURE_DIRECTION_NONE = 0,
} ArkUI_GestureDirection;
/**
* @brief Defines a set of gesture directions.
*
* Example: ArkUI_GestureDirectionMask directions = GESTURE_DIRECTION_LEFT | GESTURE_DIRECTION_RIGHT \n
* This example indicates that the leftward and rightward directions are supported. \n
*
* @since 12
*/
typedef uint32_t ArkUI_GestureDirectionMask;
/**
* @brief Enumerates gesture masking modes.
*
* @since 12
*/
typedef enum {
/** The gestures of child components are enabled and recognized based on the default gesture recognition sequence.*/
NORMAL_GESTURE_MASK = 0,
/** The gestures of child components are disabled, including the built-in gestures. */
IGNORE_INTERNAL_GESTURE_MASK,
} ArkUI_GestureMask;
/**
* @brief Enumerates gesture types.
*
* @since 12
*/
typedef enum {
/** Tap. */
TAP_GESTURE = 0,
/** Long press. */
LONG_PRESS_GESTURE,
/** Pan. */
PAN_GESTURE,
/** Pinch. */
PINCH_GESTURE,
/** Rotate. */
ROTATION_GESTURE,
/** Swipe. */
SWIPE_GESTURE,
/** A group of gestures. */
GROUP_GESTURE,
} ArkUI_GestureRecognizerType;
/**
* @brief Enumerates gesture interruption results.
*
* @since 12
*/
typedef enum {
/** The gesture recognition process continues. */
GESTURE_INTERRUPT_RESULT_CONTINUE = 0,
/** The gesture recognition process is paused. */
GESTURE_INTERRUPT_RESULT_REJECT,
} ArkUI_GestureInterruptResult;
/**
* @brief Enumerates the gesture recognizer states.
*
* @since 12
*/
typedef enum {
/** Ready. */
ARKUI_GESTURE_RECOGNIZER_STATE_READY = 0,
/** Detecting. */
ARKUI_GESTURE_RECOGNIZER_STATE_DETECTING = 1,
/** Pending. */
ARKUI_GESTURE_RECOGNIZER_STATE_PENDING = 2,
/** Blocked. */
ARKUI_GESTURE_RECOGNIZER_STATE_BLOCKED = 3,
/** Successful. */
ARKUI_GESTURE_RECOGNIZER_STATE_SUCCESSFUL = 4,
/** Failed. */
ARKUI_GESTURE_RECOGNIZER_STATE_FAILED = 5,
} ArkUI_GestureRecognizerState;
/**
* @brief Defines the gesture recognizer handle.
*
* @since 12
*/
typedef ArkUI_GestureRecognizer* ArkUI_GestureRecognizerHandle;
/**
* @brief Defines the gesture recognizer handle array.
*
* @since 12
*/
typedef ArkUI_GestureRecognizerHandle* ArkUI_GestureRecognizerHandleArray;
/**
* @brief Defines a GestureEventTargetInfo object that provides information about a gesture event target.
*
* @since 12
*/
typedef struct ArkUI_GestureEventTargetInfo ArkUI_GestureEventTargetInfo;
/**
* @brief Defines a parallel internal gesture event.
*
* @since 12
*/
typedef struct ArkUI_ParallelInnerGestureEvent ArkUI_ParallelInnerGestureEvent;
/**
* @brief Defines a callback function for notifying gesture recognizer destruction.
* @since 12
*/
typedef void (*ArkUI_GestureRecognizerDisposeNotifyCallback)(ArkUI_GestureRecognizer* recognizer, void* userData);
/**
* @brief Checks whether a gesture is a built-in gesture of the component.
*
* @param event Indicates the pointer to the gesture interruption information.
* @return Returns true if the gesture is a built-in gesture; returns false otherwise.
* @since 12
*/
bool OH_ArkUI_GestureInterruptInfo_GetSystemFlag(const ArkUI_GestureInterruptInfo* event);
/**
* @brief Obtains the pointer to interrupted gesture recognizer.
*
* @param event Indicates the pointer to the gesture interruption information.
* @return Returns the pointer to interrupted gesture recognizer.
* @since 12
*/
ArkUI_GestureRecognizer* OH_ArkUI_GestureInterruptInfo_GetRecognizer(const ArkUI_GestureInterruptInfo* event);
/**
* @brief Obtains the pointer to the interrupted gesture event.
*
* @param event Indicates the pointer to the gesture interruption information.
* @return Returns the pointer to the interrupted gesture event.
* @since 12
*/
ArkUI_GestureEvent* OH_ArkUI_GestureInterruptInfo_GetGestureEvent(const ArkUI_GestureInterruptInfo* event);
/**
* @brief Obtains the type of the system gesture to trigger.
*
* @param event Indicates the pointer to the gesture interruption information.
* @return Returns the type of the system gesture to trigger. If the gesture to trigger is not a system gesture,
* -1 is returned.
* @since 12
*/
int32_t OH_ArkUI_GestureInterruptInfo_GetSystemRecognizerType(const ArkUI_GestureInterruptInfo* event);
/**
* @brief Obtains the gesture event type.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the gesture event type.
* @since 12
*/
ArkUI_GestureEventActionType OH_ArkUI_GestureEvent_GetActionType(const ArkUI_GestureEvent* event);
/**
* @brief Obtains gesture input.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the pointer to the input event of the gesture event.
* @since 12
*/
const ArkUI_UIInputEvent* OH_ArkUI_GestureEvent_GetRawInputEvent(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the number of times that a long press gesture is triggered periodically.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the number of times that the long press gesture is triggered periodically.
* @since 12
*/
int32_t OH_ArkUI_LongPress_GetRepeatCount(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the velocity of a pan gesture along the main axis.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the velocity of the pan gesture along the main axis, in px/s.
* The value is the square root of the sum of the squares of the velocity on the x-axis and y-axis.
* @since 12
*/
float OH_ArkUI_PanGesture_GetVelocity(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the velocity of a pan gesture along the x-axis.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the velocity of the pan gesture along the x-axis, in px/s.
* @since 12
*/
float OH_ArkUI_PanGesture_GetVelocityX(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the velocity of a pan gesture along the y-axis.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the velocity of the pan gesture along the y-axis, in px/s.
* @since 12
*/
float OH_ArkUI_PanGesture_GetVelocityY(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the relative offset of a pan gesture along the x-axis.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the relative offset of the gesture along the x-axis, in px.
* @since 12
*/
float OH_ArkUI_PanGesture_GetOffsetX(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the relative offset of a pan gesture along the y-axis.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the relative offset of the gesture along the y-axis, in px.
* @since 12
*/
float OH_ArkUI_PanGesture_GetOffsetY(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the angle information of the swipe gesture.
*
* After a swipe gesture is recognized, a line connecting the two fingers is identified as the initial line.
* As the fingers swipe, the line between the fingers rotates. \n
* Based on the coordinates of the initial line's and current line's end points, the arc tangent function is used to
* calculate the respective included angle of the points relative to the horizontal direction \n
* by using the following formula: Rotation angle = arctan2(cy2-cy1,cx2-cx1) - arctan2(y2-y1,x2-x1). \n
* The initial line is used as the coordinate system. Values from 0 to 180 degrees represent clockwise rotation,
* while values from –180 to 0 degrees represent counterclockwise rotation. \n
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the angle of the swipe gesture, which is the result obtained based on the aforementioned formula.
* @since 12
*/
float OH_ArkUI_SwipeGesture_GetAngle(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the average velocity of all fingers used in the swipe gesture.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the average velocity of all fingers used in the swipe gesture, in px/s.
* @since 12
*/
float OH_ArkUI_SwipeGesture_GetVelocity(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the angle information of a rotation gesture.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the rotation angle.
* @since 12
*/
float OH_ArkUI_RotationGesture_GetAngle(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the scale ratio of a pinch gesture.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the scale ratio.
* @since 12
*/
float OH_ArkUI_PinchGesture_GetScale(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the X coordinate of the center of the pinch gesture, in vp,
* relative to the upper left corner of the current component.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the X coordinate of the center of the pinch gesture, in vp,
* relative to the upper left corner of the current component.
* @since 12
*/
float OH_ArkUI_PinchGesture_GetCenterX(const ArkUI_GestureEvent* event);
/**
* @brief Obtains the Y coordinate of the center of the pinch gesture, in vp,
* relative to the upper left corner of the current component.
*
* @param event Indicates the pointer to the gesture event.
* @return Returns the Y coordinate of the center of the pinch gesture, in vp,
* relative to the upper left corner of the current component.
* @since 12
*/
float OH_ArkUI_PinchGesture_GetCenterY(const ArkUI_GestureEvent* event);
/**
* @brief Obtains information about a gesture response chain.
*
* @param event Indicates the pointer to the gesture interruption information.
* @param responseChain Indicates the pointer to an array of gesture recognizers on the response chain.
* @param count Indicates the pointer to the number of gesture recognizers on the response chain.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_GetResponseRecognizersFromInterruptInfo(const ArkUI_GestureInterruptInfo* event,
ArkUI_GestureRecognizerHandleArray* responseChain, int32_t* count);
/**
* @brief Sets the enabled state of a gesture recognizer.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param enabled Indicates the enabled state.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_SetGestureRecognizerEnabled(ArkUI_GestureRecognizer* recognizer, bool enabled);
/**
* @brief Obtains the enabled state of a gesture recognizer.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @return Returns true if the gesture recognizer is enabled.
* Returns false if the gesture recognizer is disabled.
* @since 12
*/
bool OH_ArkUI_GetGestureRecognizerEnabled(ArkUI_GestureRecognizer* recognizer);
/**
* @brief Obtains the state of a gesture recognizer.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param state Indicates the pointer to the state of the gesture recognizer.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_GetGestureRecognizerState(ArkUI_GestureRecognizer* recognizer, ArkUI_GestureRecognizerState* state);
/**
* @brief Obtains the information about a gesture event target.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param info Indicates the information about a gesture event target.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_GetGestureEventTargetInfo(ArkUI_GestureRecognizer* recognizer, ArkUI_GestureEventTargetInfo** info);
/**
* @brief Obtains whether this scroll container is scrolled to the top.
*
* @param info Indicates the information about a gesture event target.
* @param ret Indicates whether the scroll container is scrolled to the top.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* Returns {@link ARKUI_ERROR_CODE_NON_SCROLLABLE_CONTAINER} if the component is not a scroll container.
* @since 12
*/
int32_t OH_ArkUI_GestureEventTargetInfo_IsScrollBegin(ArkUI_GestureEventTargetInfo* info, bool* ret);
/**
* @brief Obtains whether this scroll container is scrolled to the bottom.
*
* @param info Indicates the information about a gesture event target.
* @param ret Indicates whether the scroll container is scrolled to the bottom.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* Returns {@link ARKUI_ERROR_CODE_NON_SCROLLABLE_CONTAINER} if the component is not a scroll container.
* @since 12
*/
int32_t OH_ArkUI_GestureEventTargetInfo_IsScrollEnd(ArkUI_GestureEventTargetInfo* info, bool* ret);
/**
* @brief Obtains the direction of a pan gesture.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param directionMask Indicates the pan direction.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_GetPanGestureDirectionMask(ArkUI_GestureRecognizer* recognizer,
ArkUI_GestureDirectionMask* directionMask);
/**
* @brief Obtains whether a gesture is a built-in gesture.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @return Returns true if the gesture is a built-in gesture; returns false otherwise.
* @since 12
*/
bool OH_ArkUI_IsBuiltInGesture(ArkUI_GestureRecognizer* recognizer);
/**
* @brief Obtains the tag of a gesture recognizer.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param buffer Indicates the buffer.
* @param bufferSize Indicates the buffer size.
* @param result Indicates the length of the string to be written to the buffer.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* Returns {@link ARKUI_ERROR_CODE_BUFFER_SIZE_NOT_ENOUGH} if the buffer is not large enough.
* @since 12
*/
int32_t OH_ArkUI_GetGestureTag(ArkUI_GestureRecognizer* recognizer, char* buffer, int32_t bufferSize, int32_t* result);
/**
* @brief Obtains the ID of the component linked to a gesture recognizer.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param nodeId Indicates the component ID.
* @param size Indicates the buffer size.
* @param result Indicates the length of the string to be written to the buffer.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* Returns {@link ARKUI_ERROR_CODE_BUFFER_SIZE_NOT_ENOUGH} if the buffer is not large enough.
* @since 12
*/
int32_t OH_ArkUI_GetGestureBindNodeId(ArkUI_GestureRecognizer* recognizer, char* nodeId, int32_t size,
int32_t* result);
/**
* @brief Obtains whether a gesture recognizer is valid.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @return Returns true if the gesture recognizer is valid.
* Returns false if the gesture recognizer is invalid.
* @since 12
*/
bool OH_ArkUI_IsGestureRecognizerValid(ArkUI_GestureRecognizer* recognizer);
/**
* @brief Obtains custom data in the parallel internal gesture event.
*
* @param event Indicates the pointer to a parallel internal gesture event.
* @return Returns the pointer to custom data.
* @since 12
*/
void* OH_ArkUI_ParallelInnerGestureEvent_GetUserData(ArkUI_ParallelInnerGestureEvent* event);
/**
* @brief Obtains the current gesture recognizer in a parallel internal gesture event.
*
* @param event Indicates the pointer to a parallel internal gesture event.
* @return Returns the pointer to the current gesture recognizer.
* @since 12
*/
ArkUI_GestureRecognizer* OH_ArkUI_ParallelInnerGestureEvent_GetCurrentRecognizer(
ArkUI_ParallelInnerGestureEvent* event);
/**
* @brief Obtains the conflicting gesture recognizers in a parallel internal gesture event.
*
* @param event Indicates the pointer to a parallel internal gesture event.
* @param array Indicates the pointer to the array of conflicting gesture recognizers.
* @param size Indicates the size of the array of conflicting gesture recognizers.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
* @since 12
*/
int32_t OH_ArkUI_ParallelInnerGestureEvent_GetConflictRecognizers(ArkUI_ParallelInnerGestureEvent* event,
ArkUI_GestureRecognizerHandleArray* array, int32_t* size);
/**
* @brief Sets a callback function for notifying gesture recognizer destruction.
*
* @param recognizer Indicates the pointer to a gesture recognizer.
* @param callback Indicates the callback function for notifying gesture recognizer destruction.
* @param userData Indicates the custom data.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
*/
int32_t OH_ArkUI_SetArkUIGestureRecognizerDisposeNotify(ArkUI_GestureRecognizer* recognizer,
ArkUI_GestureRecognizerDisposeNotifyCallback callback, void* userData);
ArkUI_NodeHandle OH_ArkUI_GestureEvent_GetNode(const ArkUI_GestureEvent* event);
/**
* @brief Defines the gesture APIs.
*
* @since 12
*/
typedef struct {
/** The struct version is 1. */
int32_t version;
/**
* @brief Creates a tap gesture.
*
* 1. This API is used to trigger a tap gesture with one, two, or more taps. \n
* 2. If multi-tap is configured, the timeout interval between a lift and the next tap is 300 ms. \n
* 3. If the distance between the last tapped position and the current tapped position exceeds 60 vp,
* gesture recognition fails. \n
* 4. If the value is greater than 1, the tap gesture will fail to be recognized when the number of fingers
* touching the screen within 300 ms of the first finger touch is less than the required number, \n
* or when the number of fingers lifted from the screen within 300 ms of the first finger's being lifted
* is less than the required number. \n
* 5. When the number of fingers touching the screen exceeds the set value, the gesture can be recognized. \n
*
* @param countNum Indicates the number of consecutive taps. If the value is less than 1 or is not set,
* the default value 1 is used.
* @param fingersNum Indicates the number of fingers required to trigger a tap. The value ranges
* from 1 to 10. If the value is less than 1 or is not set, the default value 1 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createTapGesture)(int32_t countNum, int32_t fingersNum);
/**
* @brief Creates a long press gesture.
*
* 1. This API is used to trigger a long press gesture, which requires one or more fingers with a minimum
* The value ranges 500 ms hold-down time. \n
* 2. In components that support drag actions by default, such as , ,
* , , , and RichEditor>, the long press gesture \n
* may conflict with the drag action. If this occurs, they are handled as follows: \n
* If the minimum duration of the long press gesture is less than 500 ms, the long press gesture receives
* a higher response priority than the drag action. \n
* If the minimum duration of the long press gesture is greater than or equal to 500 ms,
* the drag action receives a higher response priority than the long press gesture. \n
* 3. If a finger moves more than 15 px after being pressed, the gesture recognition fails. \n
*
* @param fingersNum Indicates the minimum number of fingers to trigger a long press gesture.
* The value ranges from 1 to 10.
* @param repeatResult Indicates whether to continuously trigger the event callback.
* @param durationNum Indicates the minimum hold-down time, in ms.
* If the value is less than or equal to 0, the default value 500 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createLongPressGesture)(int32_t fingersNum, bool repeatResult, int32_t durationNum);
/**
* @brief Creates a pan gesture.
*
* 1. This API is used to trigger a pan gesture when the movement distance of a finger on the screen exceeds
* the minimum value. \n
* 2. If a pan gesture and a tab swipe occur at the same time, set distanceNum to 1
* so that the gesture can be more easily recognized. \n
*
* @param fingersNum Indicates the minimum number of fingers to trigger a pan gesture. The value ranges from 1 to 10.
* If the value is less than 1 or is not set, the default value 1 is used.
* @param directions Indicates the pan direction. The value supports the AND (&) and OR (\|) operations.
* @param distanceNum Indicates the minimum pan distance to trigger the gesture, in vp. If this parameter is
* set to a value less than or equal to 0, the default value 5 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createPanGesture)(
int32_t fingersNum, ArkUI_GestureDirectionMask directions, double distanceNum);
/**
* @brief Creates a pinch gesture.
*
* 1. This API is used to trigger a pinch gesture, which requires two to five fingers with a minimum 5 vp
* distance between the fingers. \n
* 2. While more fingers than the minimum number can be pressed to trigger the gesture, only the first
* fingers of the minimum number participate in gesture calculation. \n
*
* @param fingersNum Indicates the minimum number of fingers to trigger a pinch. The value ranges from 2 to 5.
* Default value: 2
* @param distanceNum Indicates the minimum recognition distance, in px. If this parameter is set to a value less
* than or equal to 0, the default value 5 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createPinchGesture)(int32_t fingersNum, double distanceNum);
/**
* @brief Creates a rotation gesture.
*
* 1. This API is used to trigger a rotation gesture, which requires two to five fingers with a
* minimum 1-degree rotation angle. \n
* 2. While more fingers than the minimum number can be pressed to trigger the gesture, only the first
* two fingers participate in gesture calculation. \n
*
* @param fingersNum Indicates the minimum number of fingers to trigger a rotation. The value ranges from 2 to 5.
* Default value: 2
* @param angleNum Indicates the minimum degree that can trigger the rotation gesture. Default value: 1
* If this parameter is set to a value less than or equal to 0 or greater than 360,
* the default value 1 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createRotationGesture)(int32_t fingersNum, double angleNum);
/**
* @brief Creates a swipe gesture.
*
* This API is used to implement a swipe gesture, which can be recognized when the swipe speed is 100
* vp/s or higher. \n
*
* @param fingersNum Indicates the minimum number of fingers to trigger a swipe gesture.
* The value ranges from 1 to 10.
* @param directions Indicates the swipe direction.
* @param speedNum Indicates the minimum speed of the swipe gesture, in px/s.
* If this parameter is set to a value less than or equal to 0, the default value 100 is used.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createSwipeGesture)(
int32_t fingersNum, ArkUI_GestureDirectionMask directions, double speedNum);
/**
* @brief Creates a gesture group.
*
* @param gestureMode Indicates the gesture group mode.
* @return Returns the pointer to the created gesture group.
*/
ArkUI_GestureRecognizer* (*createGroupGesture)(ArkUI_GroupGestureMode gestureMode);
/**
* @brief Disposes a gesture to release resources.
*
* @param recognizer Indicates the pointer to the gesture to dispose.
*/
void (*dispose)(ArkUI_GestureRecognizer* recognizer);
/**
* @brief Adds a gesture to a gesture group.
*
* @param group Indicates the pointer to the gesture group.
* @param child Indicates the gesture to be added to the gesture group.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs. Returns 401 if a parameter exception occurs.
*/
int32_t (*addChildGesture)(ArkUI_GestureRecognizer* group, ArkUI_GestureRecognizer* child);
/**
* @brief Removes a gesture to a gesture group.
*
* @param group Indicates the pointer to the gesture group.
* @param child Indicates the gesture to be removed to the gesture group.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs.
*/
int32_t (*removeChildGesture)(ArkUI_GestureRecognizer* group, ArkUI_GestureRecognizer* child);
/**
* @brief Registers a callback for gestures.
*
* @param recognizer Indicates the pointer to the gesture recognizer.
* @param actionTypeMask Indicates the set of gesture event types. Multiple callbacks can be registered at once,
* with the callback event types distinguished in the callbacks.
* Example: actionTypeMask = GESTURE_EVENT_ACTION_ACCEPT | GESTURE_EVENT_ACTION_UPDATE;
* @param extraParams Indicates the context passed in the targetReceiver callback.
* @param targetReceiver Indicates the callback to register for processing the gesture event types.
* event indicates the gesture callback data.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs.
*/
int32_t (*setGestureEventTarget)(
ArkUI_GestureRecognizer* recognizer, ArkUI_GestureEventActionTypeMask actionTypeMask, void* extraParams,
void (*targetReceiver)(ArkUI_GestureEvent* event, void* extraParams));
/**
* @brief Adds a gesture to a UI component.
*
* @param node Indicates the UI component to which you want to add the gesture.
* @param recognizer Indicates the gesture to be added to the UI component.
* @param mode Indicates the gesture event mode. Available options are NORMAL_GESTURE,
* PARALLEL_GESTURE, and PRIORITY_GESTURE.
* @param mask Indicates the gesture masking mode.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs.
*/
int32_t (*addGestureToNode)(
ArkUI_NodeHandle node, ArkUI_GestureRecognizer* recognizer, ArkUI_GesturePriority mode, ArkUI_GestureMask mask);
/**
* @brief Removes a gesture from a node.
*
* @param node Indicates the node from which you want to remove the gesture.
* @param recognizer Indicates the gesture to be removed.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs.
*/
int32_t (*removeGestureFromNode)(ArkUI_NodeHandle node, ArkUI_GestureRecognizer* recognizer);
/**
* @brief Sets a gesture interruption callback for a node.
*
* @param node Indicates the node for which you want to set a gesture interruption callback.
* @param interrupter Indicates the gesture interruption callback to set.
* info indicates the gesture interruption data. If interrupter returns
* GESTURE_INTERRUPT_RESULT_CONTINUE, the gesture recognition process continues. If it returns
* GESTURE_INTERRUPT_RESULT_REJECT, the gesture recognition process is paused.
* @return Returns 0 if success.
* Returns 401 if a parameter exception occurs.
*/
int32_t (*setGestureInterrupterToNode)(
ArkUI_NodeHandle node, ArkUI_GestureInterruptResult (*interrupter)(ArkUI_GestureInterruptInfo* info));
/**
* @brief Obtains the type of a gesture.
*
* @param recognizer Indicates the pointer to the gesture.
* @return Returns the gesture type.
*/
ArkUI_GestureRecognizerType (*getGestureType)(ArkUI_GestureRecognizer* recognizer);
/**
* @brief Sets the callback function for a parallel internal gesture event.
*
* @param node Indicates the ArkUI node for which the callback of a parallel internal gesture event is to be set.
* @param userData Indicates the custom data.
* @param parallelInnerGesture Indicates the parallel internal gesture event. event returns the data of the
* parallel internal gesture event; parallelInnerGesture returns the pointer to the gesture recognizer
* that requires parallel recognition.
* @return Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if success.
* Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter exception occurs.
*/
int32_t (*setInnerGestureParallelTo)(
ArkUI_NodeHandle node, void* userData, ArkUI_GestureRecognizer* (*parallelInnerGesture)(
ArkUI_ParallelInnerGestureEvent* event));
/**
* @brief Creates a tap gesture that is subject to distance restrictions.
*
* 1. This API is used to trigger a tap gesture with one, two, or more taps. \n
* 2. If multi-tap is configured, the timeout interval between a lift and the next tap is 300 ms. \n
* 3. If the distance between the last tapped position and the current tapped position exceeds 60 vp,
* gesture recognition fails. \n
* 4. If the value is greater than 1, the tap gesture will fail to be recognized when the number of fingers
* touching the screen within 300 ms of the first finger touch is less than the required number,
* or when the number of fingers lifted from the screen within 300 ms of the first finger's being lifted
* is less than the required number. \n
* 5. When the number of fingers touching the screen exceeds the set value, the gesture can be recognized. \n
* 6. If the finger moves beyond the preset distance limit, gesture recognition fails. \n
*
* @param countNum Indicates the number of consecutive taps. If the value is less than 1 or is not set, the default
* value 1 is used.
* @param fingersNum Indicates the number of fingers required to trigger a tap. The value ranges from 1 to 10.
* If the value is less than 1 or is not set, the default value 1 is used.
* @param distanceThreshold Indicates the allowed moving distance of a finger.
* The unit of this parameter is px.
* If the value is less than 0, it will be converted to the default value of infinity.
* @return Returns the pointer to the created gesture.
*/
ArkUI_GestureRecognizer* (*createTapGestureWithDistanceThreshold)(
int32_t countNum, int32_t fingersNum, double distanceThreshold);
} ArkUI_NativeGestureAPI_1;
#ifdef __cplusplus
};
#endif
#endif // ARKUI_NATIVE_GESTTURE_H
/** @} */