harmony 鸿蒙Input

2025-06-12
浏览 (6)

Input

Overview

Provides C APIs for the multimodal input module.

Since: 12

Summary

File

Name	Description
oh_axis_type.h	Defines the axis event structures and enumerations.
oh_input_manager.h	Provides functions such as event injection and status query.
oh_key_code.h	Defines key codes of the key device.

Structs

Name	Description
struct  Input_InterceptorEventCallback	Defines the structure of the interceptor for callback events, including mouse events, touch events, and axis events.
struct  Input_DeviceListener	Defines a listener for device hot swap events.

Types

Name	Description
typedef enum InputEvent_AxisType InputEvent_AxisType	Provides axis types of the input device.
typedef enum InputEvent_AxisEventType InputEvent_AxisEventType	Provides event types of the input device.
typedef enum InputEvent_AxisAction InputEvent_AxisAction	Provides actions of the input device.
typedef enum Input_KeyStateAction Input_KeyStateAction	Provides the enum values of the key status.
typedef enum Input_KeyEventAction Input_KeyEventAction	Provides the enum values of the key event type.
typedef enum Input_MouseEventAction Input_MouseEventAction	Provides the enum values of mouse actions.
typedef enum InputEvent_MouseAxis InputEvent_MouseAxis	Provides the enum values of mouse axis event types.
typedef enum Input_MouseEventButton Input_MouseEventButton	Provides the enum values of mouse buttons.
typedef enum Input_TouchEventAction Input_TouchEventAction	Provides the enum values of touch actions.
typedef enum InputEvent_SourceType InputEvent_SourceType	Provides the enum values of event source types.
typedef enum Input_KeyboardType Input_KeyboardType	Provides the enum values of keyboard types of the input device.
typedef struct Input_KeyState Input_KeyState	Defines key information, which identifies a key pressing behavior. For example, the Ctrl key information contains the key value and key type.
typedef struct Input_KeyEvent Input_KeyEvent	Defines the key event to be injected.
typedef struct Input_MouseEvent Input_MouseEvent	Defines the mouse event to be injected.
typedef struct Input_TouchEvent Input_TouchEvent	Defines the touch event to be injected.
typedef struct Input_AxisEvent Input_AxisEvent	Defines an axis event.
typedef enum Input_Result Input_Result	Provides the enum values of error codes.
typedef void(* Input_KeyEventCallback) (const Input_KeyEvent *keyEvent)	Defines a lifecycle callback for keyEvent. If the callback is triggered, keyEvent will be destroyed.
typedef void(* Input_MouseEventCallback) (const Input_MouseEvent *mouseEvent)	Defines a lifecycle callback for mouseEvent. If the callback is triggered, mouseEvent will be destroyed.
typedef void(* Input_TouchEventCallback) (const Input_TouchEvent *touchEvent)	Defines a lifecycle callback for touchEvent. If the callback is triggered, touchEvent will be destroyed.
typedef void(* Input_AxisEventCallback) (const Input_AxisEvent *axisEvent)	Defines a lifecycle callback for axisEvent. If the callback is triggered, axisEvent will be destroyed.
typedef void(* Input_HotkeyCallback) (Input_Hotkey *hotkey)	Defines the callback used to return shortcut key events.
typedef void(* Input_DeviceAddedCallback) (int32_t deviceId)	Defines a callback used to receive device insertion events.
typedef void(* Input_DeviceRemovedCallback) (int32_t deviceId)	Defines a callback used to receive device removal events.
typedef struct Input_InterceptorEventCallback Input_InterceptorEventCallback	Defines the structure of the interceptor for callback events, including mouse events, touch events, and axis events.
typedef struct Input_DeviceListener Input_DeviceListener	Defines a listener for device hot swap events.
typedef struct Input_InterceptorOptions Input_InterceptorOptions	Defines event interception options.
typedef struct Input_Hotkey Input_Hotkey	Defines the shortcut key structure.
typedef struct Input_DeviceInfo Input_DeviceInfo	Defines the input device information.

Enums

Name	Description
InputEvent_AxisType { AXIS_TYPE_UNKNOWN, AXIS_TYPE_SCROLL_VERTICAL, AXIS_TYPE_SCROLL_HORIZONTAL, AXIS_TYPE_PINCH, AXIS_TYPE_ROTATE }	Axis type of the input device.
InputEvent_AxisEventType { AXIS_EVENT_TYPE_PINCH = 1, AXIS_EVENT_TYPE_SCROLL = 2 }	Event type of the input device.
InputEvent_AxisAction { AXIS_ACTION_CANCEL = 0, AXIS_ACTION_BEGIN, AXIS_ACTION_UPDATE, AXIS_ACTION_END }	Action of the input device.
Input_KeyStateAction { KEY_DEFAULT = -1, KEY_PRESSED = 0, KEY_RELEASED = 1, KEY_SWITCH_ON = 2, KEY_SWITCH_OFF = 3 }	Key status.
Input_KeyEventAction { KEY_ACTION_CANCEL = 0, KEY_ACTION_DOWN = 1, KEY_ACTION_UP = 2 }	Key event type.
Input_MouseEventAction { MOUSE_ACTION_CANCEL = 0, MOUSE_ACTION_MOVE = 1, MOUSE_ACTION_BUTTON_DOWN = 2, MOUSE_ACTION_BUTTON_UP = 3, MOUSE_ACTION_AXIS_BEGIN = 4, MOUSE_ACTION_AXIS_UPDATE = 5, MOUSE_ACTION_AXIS_END = 6 }	Mouse action.
InputEvent_MouseAxis { MOUSE_AXIS_SCROLL_VERTICAL = 0, MOUSE_AXIS_SCROLL_HORIZONTAL = 1 }	Mouse axis event type.
Input_MouseEventButton { MOUSE_BUTTON_NONE = -1, MOUSE_BUTTON_LEFT = 0, MOUSE_BUTTON_MIDDLE = 1, MOUSE_BUTTON_RIGHT = 2, MOUSE_BUTTON_FORWARD = 3, MOUSE_BUTTON_BACK = 4 }	Mouse button.
Input_TouchEventAction { TOUCH_ACTION_CANCEL = 0, TOUCH_ACTION_DOWN = 1, TOUCH_ACTION_MOVE = 2, TOUCH_ACTION_UP = 3 }	Touch action.
InputEvent_SourceType { SOURCE_TYPE_MOUSE = 1, SOURCE_TYPE_TOUCHSCREEN = 2, SOURCE_TYPE_TOUCHPAD = 3 }	Event source type.
Input_KeyboardType { KEYBOARD_TYPE_NONE = 0, KEYBOARD_TYPE_UNKNOWN = 1, KEYBOARD_TYPE_ALPHABETIC = 2, KEYBOARD_TYPE_DIGITAL = 3, KEYBOARD_TYPE_STYLUS = 4, KEYBOARD_TYPE_REMOTE_CONTROL = 5 }	Keyboard type of the input device.
Input_Result { INPUT_SUCCESS = 0, INPUT_PERMISSION_DENIED = 201, INPUT_NOT_SYSTEM_APPLICATION = 202, INPUT_PARAMETER_ERROR = 401, INPUT_DEVICE_NOT_SUPPORTED = 801, INPUT_SERVICE_EXCEPTION = 3800001, INPUT_KEYBOARD_DEVICE_NOT_EXIST = 3900002, INPUT_REPEAT_INTERCEPTOR = 4200001, INPUT_OCCUPIED_BY_SYSTEM = 4200002, INPUT_OCCUPIED_BY_OTHER = 4200003 }	Error code.
Input_KeyCode { KEYCODE_UNKNOWN = -1, KEYCODE_FN = 0, KEYCODE_VOLUME_UP = 16, KEYCODE_VOLUME_DOWN = 17, KEYCODE_POWER = 18, KEYCODE_CAMERA = 19, KEYCODE_VOLUME_MUTE = 22, KEYCODE_MUTE = 23, KEYCODE_BRIGHTNESS_UP = 40, KEYCODE_BRIGHTNESS_DOWN = 41, KEYCODE_0 = 2000, KEYCODE_1 = 2001, KEYCODE_2 = 2002, KEYCODE_3 = 2003, KEYCODE_4 = 2004, KEYCODE_5 = 2005, KEYCODE_6 = 2006, KEYCODE_7 = 2007, KEYCODE_8 = 2008, KEYCODE_9 = 2009, KEYCODE_STAR = 2010, KEYCODE_POUND = 2011, KEYCODE_DPAD_UP = 2012, KEYCODE_DPAD_DOWN = 2013, KEYCODE_DPAD_LEFT = 2014, KEYCODE_DPAD_RIGHT = 2015, KEYCODE_DPAD_CENTER = 2016, KEYCODE_A = 2017, KEYCODE_B = 2018, KEYCODE_C = 2019, KEYCODE_D = 2020, KEYCODE_E = 2021, KEYCODE_F = 2022, KEYCODE_G = 2023, KEYCODE_H = 2024, KEYCODE_I = 2025, KEYCODE_J = 2026, KEYCODE_K = 2027, KEYCODE_L = 2028, KEYCODE_M = 2029, KEYCODE_N = 2030, KEYCODE_O = 2031, KEYCODE_P = 2032, KEYCODE_Q = 2033, KEYCODE_R = 2034, KEYCODE_S = 2035, KEYCODE_T = 2036, KEYCODE_U = 2037, KEYCODE_V = 2038, KEYCODE_W = 2039, KEYCODE_X = 2040, KEYCODE_Y = 2041, KEYCODE_Z = 2042, KEYCODE_COMMA = 2043, KEYCODE_PERIOD = 2044, KEYCODE_ALT_LEFT = 2045, KEYCODE_ALT_RIGHT = 2046, KEYCODE_SHIFT_LEFT = 2047, KEYCODE_SHIFT_RIGHT = 2048, KEYCODE_TAB = 2049, KEYCODE_SPACE = 2050, KEYCODE_SYM = 2051, KEYCODE_EXPLORER = 2052, KEYCODE_ENVELOPE = 2053, KEYCODE_ENTER = 2054, KEYCODE_DEL = 2055, KEYCODE_GRAVE = 2056, KEYCODE_MINUS = 2057, KEYCODE_EQUALS = 2058, KEYCODE_LEFT_BRACKET = 2059, KEYCODE_RIGHT_BRACKET = 2060, KEYCODE_BACKSLASH = 2061, KEYCODE_SEMICOLON = 2062, KEYCODE_APOSTROPHE = 2063, KEYCODE_SLASH = 2064, KEYCODE_AT = 2065, KEYCODE_PLUS = 2066, KEYCODE_MENU = 2067, KEYCODE_PAGE_UP = 2068, KEYCODE_PAGE_DOWN = 2069, KEYCODE_ESCAPE = 2070, KEYCODE_FORWARD_DEL = 2071, KEYCODE_CTRL_LEFT = 2072, KEYCODE_CTRL_RIGHT = 2073, KEYCODE_CAPS_LOCK = 2074, KEYCODE_SCROLL_LOCK = 2075, KEYCODE_META_LEFT = 2076, KEYCODE_META_RIGHT = 2077, KEYCODE_FUNCTION = 2078, KEYCODE_SYSRQ = 2079, KEYCODE_BREAK = 2080, KEYCODE_MOVE_HOME = 2081, KEYCODE_MOVE_END = 2082, KEYCODE_INSERT = 2083, KEYCODE_FORWARD = 2084, KEYCODE_MEDIA_PLAY = 2085, KEYCODE_MEDIA_PAUSE = 2086, KEYCODE_MEDIA_CLOSE = 2087, KEYCODE_MEDIA_EJECT = 2088, KEYCODE_MEDIA_RECORD = 2089, KEYCODE_F1 = 2090, KEYCODE_F2 = 2091, KEYCODE_F3 = 2092, KEYCODE_F4 = 2093, KEYCODE_F5 = 2094, KEYCODE_F6 = 2095, KEYCODE_F7 = 2096, KEYCODE_F8 = 2097, KEYCODE_F9 = 2098, KEYCODE_F10 = 2099, KEYCODE_F11 = 2100, KEYCODE_F12 = 2101, KEYCODE_NUM_LOCK = 2102, KEYCODE_NUMPAD_0 = 2103, KEYCODE_NUMPAD_1 = 2104, KEYCODE_NUMPAD_2 = 2105, KEYCODE_NUMPAD_3 = 2106, KEYCODE_NUMPAD_4 = 2107, KEYCODE_NUMPAD_5 = 2108, KEYCODE_NUMPAD_6 = 2109, KEYCODE_NUMPAD_7 = 2110, KEYCODE_NUMPAD_8 = 2111, KEYCODE_NUMPAD_9 = 2112, KEYCODE_NUMPAD_DIVIDE = 2113, KEYCODE_NUMPAD_MULTIPLY = 2114, KEYCODE_NUMPAD_SUBTRACT = 2115, KEYCODE_NUMPAD_ADD = 2116, KEYCODE_NUMPAD_DOT = 2117, KEYCODE_NUMPAD_COMMA = 2118, KEYCODE_NUMPAD_ENTER = 2119, KEYCODE_NUMPAD_EQUALS = 2120, KEYCODE_NUMPAD_LEFT_PAREN = 2121, KEYCODE_NUMPAD_RIGHT_PAREN = 2122, KEYCODE_DAGGER_CLICK = 3211, KEYCODE_DAGGER_DOUBLE_CLICK = 3212, KEYCODE_DAGGER_LONG_PRESS = 3213 }	Key code value.

Functions

Name	Description
Input_Result OH_Input_GetKeyState (struct Input_KeyState *keyState)	Queries a key status enum object.
struct Input_KeyState * OH_Input_CreateKeyState ()	Creates a key status enum object.
void OH_Input_DestroyKeyState (struct Input_KeyState **keyState)	Destroys a key status enum object.
void OH_Input_SetKeyCode (struct Input_KeyState *keyState, int32_t keyCode)	Sets the key value of a key status enum object.
int32_t OH_Input_GetKeyCode (const struct Input_KeyState *keyState)	Obtains the key value of a key status enum object.
void OH_Input_SetKeyPressed (struct Input_KeyState *keyState, int32_t keyAction)	Sets whether the key specific to a key status enum object is pressed.
int32_t OH_Input_GetKeyPressed (const struct Input_KeyState *keyState)	Checks whether the key specific to a key status enum object is pressed.
void OH_Input_SetKeySwitch (struct Input_KeyState *keyState, int32_t keySwitch)	Sets the key switch of the key status enum object.
int32_t OH_Input_GetKeySwitch (const struct Input_KeyState *keyState)	Obtains the key switch of the key status enum object.
int32_t OH_Input_InjectKeyEvent (const struct Input_KeyEvent *keyEvent)	Injects a key event.
struct Input_KeyEvent * OH_Input_CreateKeyEvent ()	Creates a key event object.
void OH_Input_DestroyKeyEvent (struct Input_KeyEvent **keyEvent)	Destroys a key event object.
void OH_Input_SetKeyEventAction (struct Input_KeyEvent *keyEvent, int32_t action)	Sets the key event type.
int32_t OH_Input_GetKeyEventAction (const struct Input_KeyEvent *keyEvent)	Obtains the key event type.
void OH_Input_SetKeyEventKeyCode (struct Input_KeyEvent *keyEvent, int32_t keyCode)	Sets the key code value for a key event.
int32_t OH_Input_GetKeyEventKeyCode (const struct Input_KeyEvent *keyEvent)	Obtains the key code value of a key event.
void OH_Input_SetKeyEventActionTime (struct Input_KeyEvent *keyEvent, int64_t actionTime)	Sets the time when a key event occurs.
int64_t OH_Input_GetKeyEventActionTime (const struct Input_KeyEvent *keyEvent)	Obtains the time when a key event occurs.
void OH_Input_SetKeyEventWindowId (struct Input_KeyEvent *keyEvent, int32_t windowId)	Sets the window ID of a key event.
int32_t OH_Input_GetKeyEventWindowId (const struct Input_KeyEvent *keyEvent)	Obtains the window ID of a key event.
void OH_Input_SetKeyEventDisplayId (struct Input_KeyEvent *keyEvent, int32_t displayId)	Sets the screen ID of a key event.
int32_t OH_Input_GetKeyEventDisplayId (const struct Input_KeyEvent *keyEvent)	Obtains the screen ID of a key event.
int32_t OH_Input_InjectMouseEvent (const struct Input_MouseEvent *mouseEvent)	Injects a mouse event.
struct Input_MouseEvent * OH_Input_CreateMouseEvent ()	Creates a mouse event object.
void OH_Input_DestroyMouseEvent (struct Input_MouseEvent **mouseEvent)	Destroys a mouse event object.
void OH_Input_SetMouseEventAction (struct Input_MouseEvent *mouseEvent, int32_t action)	Sets the action for a mouse event.
int32_t OH_Input_GetMouseEventAction (const struct Input_MouseEvent *mouseEvent)	Obtains the action of a mouse event.
void OH_Input_SetMouseEventDisplayX (struct Input_MouseEvent *mouseEvent, int32_t displayX)	Sets the X coordinate for a mouse event.
int32_t OH_Input_GetMouseEventDisplayX (const struct Input_MouseEvent *mouseEvent)	Obtains the X coordinate of a mouse event.
void OH_Input_SetMouseEventDisplayY (struct Input_MouseEvent *mouseEvent, int32_t displayY)	Sets the Y coordinate for a mouse event.
int32_t OH_Input_GetMouseEventDisplayY (const struct Input_MouseEvent *mouseEvent)	Obtains the Y coordinate of a mouse event.
void OH_Input_SetMouseEventButton (struct Input_MouseEvent *mouseEvent, int32_t button)	Sets the button for a mouse event.
int32_t OH_Input_GetMouseEventButton (const struct Input_MouseEvent *mouseEvent)	Obtains the button of a mouse event.
void OH_Input_SetMouseEventAxisType (struct Input_MouseEvent *mouseEvent, int32_t axisType)	Sets the axis type for a mouse event.
int32_t OH_Input_GetMouseEventAxisType (const struct Input_MouseEvent *mouseEvent)	Obtains the axis type of a mouse event.
void OH_Input_SetMouseEventAxisValue (struct Input_MouseEvent *mouseEvent, float axisValue)	Sets the axis value for a mouse axis event.
float OH_Input_GetMouseEventAxisValue (const struct Input_MouseEvent *mouseEvent)	Obtains the axis value of a mouse axis event.
void OH_Input_SetMouseEventActionTime (struct Input_MouseEvent *mouseEvent, int64_t actionTime)	Sets the time when a mouse event occurs.
int64_t OH_Input_GetMouseEventActionTime (const struct Input_MouseEvent *mouseEvent)	Obtains the time when a mouse event occurs.
void OH_Input_SetMouseEventWindowId (struct Input_MouseEvent *mouseEvent, int32_t windowId)	Sets the window ID of a mouse event.
int32_t OH_Input_GetMouseEventWindowId (const struct Input_MouseEvent *mouseEvent)	Obtains the window ID of a mouse event.
void OH_Input_SetMouseEventDisplayId (struct Input_MouseEvent *mouseEvent, int32_t displayId)	Sets the screen ID of a mouse event.
int32_t OH_Input_GetMouseEventDisplayId (const struct Input_MouseEvent *mouseEvent)	Obtains the screen ID of a mouse event.
int32_t OH_Input_InjectTouchEvent (const struct Input_TouchEvent *touchEvent)	Injects a touch event.
struct Input_TouchEvent * OH_Input_CreateTouchEvent ()	Creates a touch event object.
void OH_Input_DestroyTouchEvent (struct Input_TouchEvent **touchEvent)	Destroys a touch event object.
void OH_Input_SetTouchEventAction (struct Input_TouchEvent *touchEvent, int32_t action)	Sets the action for a touch event.
int32_t OH_Input_GetTouchEventAction (const struct Input_TouchEvent *touchEvent)	Obtains the action of a touch event.
void OH_Input_SetTouchEventFingerId (struct Input_TouchEvent *touchEvent, int32_t id)	Sets the finger ID for a touch event.
int32_t OH_Input_GetTouchEventFingerId (const struct Input_TouchEvent *touchEvent)	Obtains the finger ID of a touch event.
void OH_Input_SetTouchEventDisplayX (struct Input_TouchEvent *touchEvent, int32_t displayX)	Sets the X coordinate for a touch event.
int32_t OH_Input_GetTouchEventDisplayX (const struct Input_TouchEvent *touchEvent)	Obtains the X coordinate of a touch event.
void OH_Input_SetTouchEventDisplayY (struct Input_TouchEvent *touchEvent, int32_t displayY)	Sets the Y coordinate for a touch event.
int32_t OH_Input_GetTouchEventDisplayY (const struct Input_TouchEvent *touchEvent)	Obtains the Y coordinate of a touch event.
void OH_Input_SetTouchEventActionTime (struct Input_TouchEvent *touchEvent, int64_t actionTime)	Sets the time when a touch event occurs.
int64_t OH_Input_GetTouchEventActionTime (const struct Input_TouchEvent *touchEvent)	Obtains the time when a touch event occurs.
void OH_Input_SetTouchEventWindowId (struct Input_TouchEvent *touchEvent, int32_t windowId)	Sets the window ID of a touchscreen event.
int32_t OH_Input_GetTouchEventWindowId (const struct Input_TouchEvent *touchEvent)	Obtains the window ID of a touchscreen event.
void OH_Input_SetTouchEventDisplayId (struct Input_TouchEvent *touchEvent, int32_t displayId)	Sets the screen ID of a touchscreen event.
int32_t OH_Input_GetTouchEventDisplayId (const struct Input_TouchEvent *touchEvent)	Obtains the screen ID of a touchscreen event.
void OH_Input_CancelInjection ()	Stops event injection and revokes authorization.
Input_AxisEvent * OH_Input_CreateAxisEvent (void)	Creates an axis event object.
Input_Result OH_Input_DestroyAxisEvent (Input_AxisEvent **axisEvent)	Destroys an axis event object.
Input_Result OH_Input_SetAxisEventAction (Input_AxisEvent *axisEvent, InputEvent_AxisAction action)	Sets the action for an axis event.
Input_Result OH_Input_GetAxisEventAction (const Input_AxisEvent axisEvent, InputEvent_AxisAction action)	Obtains the action of an axis event.
Input_Result OH_Input_SetAxisEventDisplayX (Input_AxisEvent *axisEvent, float displayX)	Sets the X coordinate for an axis event.
Input_Result OH_Input_GetAxisEventDisplayX (const Input_AxisEvent axisEvent, float displayX)	Obtains the X coordinate of an axis event.
Input_Result OH_Input_SetAxisEventDisplayY (Input_AxisEvent *axisEvent, float displayY)	Sets the Y coordinate for an axis event.
Input_Result OH_Input_GetAxisEventDisplayY (const Input_AxisEvent axisEvent, float displayY)	Obtains the Y coordinate of an axis event.
Input_Result OH_Input_SetAxisEventAxisValue (Input_AxisEvent *axisEvent, InputEvent_AxisType axisType, double axisValue)	Sets the axis value of the axis type specified by the axis event.
Input_Result OH_Input_GetAxisEventAxisValue (const Input_AxisEvent axisEvent, InputEvent_AxisType axisType, double axisValue)	Obtains the axis value for the specified axis type of the axis event.
Input_Result OH_Input_SetAxisEventActionTime (Input_AxisEvent *axisEvent, int64_t actionTime)	Sets the time when an axis event occurs.
Input_Result OH_Input_GetAxisEventActionTime (const Input_AxisEvent axisEvent, int64_t actionTime)	Obtains the time when an axis event occurs.
Input_Result OH_Input_SetAxisEventType (Input_AxisEvent *axisEvent, InputEvent_AxisEventType axisEventType)	Sets the axis event type.
Input_Result OH_Input_GetAxisEventType (const Input_AxisEvent axisEvent, InputEvent_AxisEventType axisEventType)	Obtains the axis event type.
Input_Result OH_Input_SetAxisEventSourceType (Input_AxisEvent *axisEvent, InputEvent_SourceType sourceType)	Sets the axis event source type.
Input_Result OH_Input_GetAxisEventSourceType (const Input_AxisEvent axisEvent, InputEvent_SourceType sourceType)	Obtains the axis event source type.
Input_Result OH_Input_SetAxisEventWindowId (Input_AxisEvent *axisEvent, int32_t windowId)	Sets the window ID of an axis event.
Input_Result OH_Input_GetAxisEventWindowId (const Input_AxisEvent axisEvent, int32_t windowId)	Obtains the window ID of an axis event.
Input_Result OH_Input_SetAxisEventDisplayId (Input_AxisEvent *axisEvent, int32_t displayId)	Sets the screen ID of an axis event.
Input_Result OH_Input_GetAxisEventDisplayId (const Input_AxisEvent axisEvent, int32_t displayId)	Obtains the screen ID of an axis event.
Input_Result OH_Input_AddKeyEventMonitor (Input_KeyEventCallback callback)	Adds a listener for key events.
Input_Result OH_Input_AddMouseEventMonitor (Input_MouseEventCallback callback)	Adds a listener for mouse events, including mouse click and movement events, but not scroll wheel events. Scroll wheel events are axis events.
Input_Result OH_Input_AddTouchEventMonitor (Input_TouchEventCallback callback)	Adds a listener for touch events.
Input_Result OH_Input_AddAxisEventMonitorForAll (Input_AxisEventCallback callback)	Adds a listener for all types of axis events, which are defined in InputEvent_AxisEventType.
Input_Result OH_Input_AddAxisEventMonitor (InputEvent_AxisEventType axisEventType, Input_AxisEventCallback callback)	Adds a listener for the specified type of axis events, which are defined in InputEvent_AxisEventType.
Input_Result OH_Input_RemoveKeyEventMonitor (Input_KeyEventCallback callback)	Removes the listener for key events.
Input_Result OH_Input_RemoveMouseEventMonitor (Input_MouseEventCallback callback)	Removes the listener for mouse events.
Input_Result OH_Input_RemoveTouchEventMonitor (Input_TouchEventCallback callback)	Removes the listener for touch events.
Input_Result OH_Input_RemoveAxisEventMonitorForAll (Input_AxisEventCallback callback)	Removes the listener for all types of axis events.
Input_Result OH_Input_RemoveAxisEventMonitor (InputEvent_AxisEventType axisEventType, Input_AxisEventCallback callback)	Removes the listener for the specified type of axis events, which are defined in InputEvent_AxisEventType.
Input_Result OH_Input_AddKeyEventInterceptor (Input_KeyEventCallback callback, Input_InterceptorOptions *option)	Adds an interceptor for key events. If multiple interceptors are added, only the first one takes effect. Key events are intercepted only when the application gains focus.
Input_Result OH_Input_AddInputEventInterceptor (Input_InterceptorEventCallback callback, Input_InterceptorOptions option)	Adds an interceptor for input events, including mouse, touch, and axis events. If multiple interceptors are added, only the first one takes effect. Key events are intercepted only when the application window is hit.
Input_Result OH_Input_RemoveKeyEventInterceptor (void)	Removes the interceptor for key events.
Input_Result OH_Input_RemoveInputEventInterceptor (void)	Removes the interceptor for input events, including mouse, touch, and axis events.
Input_Result OH_Input_GetIntervalSinceLastInput (int64_t *timeInterval)	Obtains the interval since the last system input event.
Input_Hotkey * OH_Input_CreateHotkey (void)	Creates a shortcut key object.
void OH_Input_DestroyHotkey (Input_Hotkey **hotkey)	Destroys a shortcut key object.
void OH_Input_SetPreKeys (Input_Hotkey hotkey, int32_t preKeys, int32_t size)	Sets the modifier key.
Input_Result OH_Input_GetPreKeys (const Input_Hotkey hotkey, int32_t preKeys, int32_t preKeyCount)	Obtains the modifier key.
void OH_Input_SetFinalKey (Input_Hotkey *hotkey, int32_t finalKey)	Sets the modified key.
Input_Result OH_Input_GetFinalKey (const Input_Hotkey hotkey, int32_t finalKeyCode)	Obtains the modified key.
Input_Hotkey ** OH_Input_CreateAllSystemHotkeys (int32_t count)	Creates an array of Input_Hotkey instances.
void OH_Input_DestroyAllSystemHotkeys (Input_Hotkey **hotkeys, int32_t count)	Destroys the array of Input_Hotkey instances and reclaims the memory.
Input_Result OH_Input_GetAllSystemHotkeys (Input_Hotkey *hotkey, int32_t count)	Obtains all configured shortcut keys.
void OH_Input_SetRepeat (Input_Hotkey *hotkey, bool isRepeat)	Specifies whether to report repeated key events.
Input_Result OH_Input_GetRepeat (const Input_Hotkey hotkey, bool isRepeat)	Checks whether to report repeated key events.
Input_Result OH_Input_AddHotkeyMonitor (const Input_Hotkey *hotkey, Input_HotkeyCallback callback)	Subscribes to shortcut key events. This API is not applicable to wearables and lite wearables.
Input_Result OH_Input_RemoveHotkeyMonitor (const Input_Hotkey *hotkey, Input_HotkeyCallback callback)	Unsubscribes from shortcut key events.
Input_Result OH_Input_GetDeviceIds (int32_t deviceIds, int32_t inSize, int32_t outSize)	Obtains the IDs of all input devices.
Input_Result OH_Input_GetDevice (int32_t deviceId, Input_DeviceInfo **deviceInfo)	Obtains information about the input device.
Input_DeviceInfo * OH_Input_CreateDeviceInfo (void)	Creates a deviceInfo object.
void OH_Input_DestroyDeviceInfo (Input_DeviceInfo **deviceInfo)	Destroys a deviceInfo object.
Input_Result OH_Input_GetKeyboardType (int32_t deviceId, int32_t *keyboardType)	Obtains the keyboard type of the input device.
Input_Result OH_Input_GetDeviceId (Input_DeviceInfo deviceInfo, int32_t id)	Obtains the ID of an input device.
Input_Result OH_Input_GetDeviceName (Input_DeviceInfo deviceInfo, char *name)	Obtains the name of an input device.
Input_Result OH_Input_GetCapabilities (Input_DeviceInfo deviceInfo, int32_t capabilities)	Obtains the capabilities of an input device, for example, a touchscreen, touchpad, or keyboard.
Input_Result OH_Input_GetDeviceVersion (Input_DeviceInfo deviceInfo, int32_t version)	Obtains the version information of an input device.
Input_Result OH_Input_GetDeviceProduct (Input_DeviceInfo deviceInfo, int32_t product)	Obtains the product information of an input device.
Input_Result OH_Input_GetDeviceVendor (Input_DeviceInfo deviceInfo, int32_t vendor)	Obtains the vendor information of an input device.
Input_Result OH_Input_GetDeviceAddress (Input_DeviceInfo deviceInfo, char *address)	Obtains the physical address of an input device.
Input_Result OH_Input_RegisterDeviceListener (Input_DeviceListener *listener)	Registers a listener for device hot swap events.
Input_Result OH_Input_UnregisterDeviceListener (Input_DeviceListener *listener)	Unregisters the listener for device hot swap events.
Input_Result OH_Input_UnregisterDeviceListeners ()	Unregisters the listener for all device hot swap events.
Input_Result OH_Input_GetFunctionKeyState (int32_t keyCode, int32_t *state)	Obtains the function key status.

Type Description

Input_AxisEvent

typedef struct Input_AxisEventInput_AxisEvent

Description

Defines an axis event.

Since: 12

Input_AxisEventCallback

typedef void(* Input_AxisEventCallback) (const Input_AxisEvent *axisEvent)

Description

Defines a lifecycle callback for axisEvent. If the callback is triggered, axisEvent will be destroyed.

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.

Input_DeviceAddedCallback

typedef void(* Input_DeviceAddedCallback) (int32_t deviceId)

Description

Defines a callback used to receive device insertion events.

Since: 13

Parameters

Name	Description
deviceId	Device ID.

Input_DeviceInfo

typedef struct Input_DeviceInfoInput_DeviceInfo

Description

Defines the input device information.

Since: 13

Input_DeviceListener

typedef struct Input_DeviceListenerInput_DeviceListener

Description

Defines a listener for device hot swap events.

Since: 13

Input_DeviceRemovedCallback

typedef void(* Input_DeviceRemovedCallback) (int32_t deviceId)

Description

Defines a callback used to receive device removal events.

Since: 13

Parameters

Name	Description
deviceId	Device ID.

Input_Hotkey

typedef struct Input_Hotkey Input_Hotkey

Description

Defines the shortcut key structure.

Since: 14

Input_HotkeyCallback

typedef void(* Input_HotkeyCallback) (Input_Hotkey *hotkey)

Description

Defines the callback used to return shortcut key events.

Since: 14

Input_InterceptorEventCallback

typedef struct Input_InterceptorEventCallbackInput_InterceptorEventCallback

Description

Defines the structure of the interceptor for callback events, including mouse events, touch events, and axis events.

Since: 12

Input_InterceptorOptions

typedef struct Input_InterceptorOptionsInput_InterceptorOptions

Description

Defines event interception options.

Since: 12

Input_KeyboardType

typedef enum Input_KeyboardTypeInput_KeyboardType

Description

Enumerates keyboard types of the input device.

Since: 13

Input_KeyEvent

typedef struct Input_KeyEventInput_KeyEvent

Description

Defines the key event to be injected.

Since: 12

Input_KeyEventAction

typedef enum Input_KeyEventActionInput_KeyEventAction

Description

Provides the enum values of the key event type.

Since: 12

Input_KeyEventCallback

typedef void(* Input_KeyEventCallback) (const Input_KeyEvent *keyEvent)

Description

Defines a lifecycle callback for keyEvent. If the callback is triggered, keyEvent will be destroyed.

Since: 12

Parameters

Name	Description
keyEvent	Key event object.

Input_KeyState

typedef struct Input_KeyStateInput_KeyState

Description

Defines key information, which identifies a key pressing behavior. For example, the Ctrl key information contains the key value and key type.

Since: 12

Input_KeyStateAction

typedef enum Input_KeyStateActionInput_KeyStateAction

Description

Provides the enum values of the key status.

Since: 12

Input_MouseEvent

typedef struct Input_MouseEventInput_MouseEvent

Description

Defines the mouse event to be injected.

Since: 12

Input_MouseEventAction

typedef enum Input_MouseEventActionInput_MouseEventAction

Description

Provides the enum values of mouse actions.

Since: 12

Input_MouseEventButton

typedef enum Input_MouseEventButtonInput_MouseEventButton

Description

Provides the enum values of mouse buttons.

Since: 12

Input_MouseEventCallback

typedef void(* Input_MouseEventCallback) (const Input_MouseEvent *mouseEvent)

Description

Defines a lifecycle callback for mouseEvent. If the callback is triggered, mouseEvent will be destroyed.

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Input_Result

typedef enum Input_ResultInput_Result

Description

Provides the enum values of error codes.

Since: 12

Input_TouchEvent

typedef struct Input_TouchEventInput_TouchEvent

Description

Defines the touch event to be injected.

Since: 12

Input_TouchEventAction

typedef enum Input_TouchEventActionInput_TouchEventAction

Description

Provides the enum values of touch actions.

Since: 12

Input_TouchEventCallback

typedef void(* Input_TouchEventCallback) (const Input_TouchEvent *touchEvent)

Description

Defines a lifecycle callback for touchEvent. If the callback is triggered, touchEvent will be destroyed.

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

InputEvent_AxisAction

typedef enum InputEvent_AxisActionInputEvent_AxisAction

Description

Action of the input device.

Since: 12

InputEvent_AxisEventType

typedef enum InputEvent_AxisEventTypeInputEvent_AxisEventType

Description

Event type of the input device.

Since: 12

InputEvent_AxisType

typedef enum InputEvent_AxisTypeInputEvent_AxisType

Description

Defines the axis type of an input device.

Since: 12

InputEvent_MouseAxis

typedef enum InputEvent_MouseAxisInputEvent_MouseAxis

Description

Provides the enum values of mouse axis event types.

Since: 12

InputEvent_SourceType

typedef enum InputEvent_SourceTypeInputEvent_SourceType

Description

Enter the event source type.

Since: 12

Enum Description

Input_KeyboardType

enum Input_KeyboardType

Description

Enumerates keyboard types of the input device.

Since: 13

Value	Description
KEYBOARD_TYPE_NONE	Keyboard without keys.
KEYBOARD_TYPE_UNKNOWN	Keyboard with unknown keys.
KEYBOARD_TYPE_ALPHABETIC	Full keyboard.
KEYBOARD_TYPE_DIGITAL	Numeric keypad.
KEYBOARD_TYPE_STYLUS	Stylus.
KEYBOARD_TYPE_REMOTE_CONTROL	Remote control.

Input_KeyCode

enum Input_KeyCode

Description

Enumerates key code values.

Since: 12

Value	Description
KEYCODE_UNKNOWN	Unknown key
KEYCODE_FN	Function (Fn) key
KEYCODE_VOLUME_UP	Volume Up key
KEYCODE_VOLUME_DOWN	Volume Down key
KEYCODE_POWER	Power key
KEYCODE_CAMERA	Camera key
KEYCODE_VOLUME_MUTE	Speaker Mute key
KEYCODE_MUTE	Mute key
KEYCODE_BRIGHTNESS_UP	Brightness Up key
KEYCODE_BRIGHTNESS_DOWN	Brightness Down key
KEYCODE_0	Key 0
KEYCODE_1	Key 1
KEYCODE_2	Key 2
KEYCODE_3	Key 3
KEYCODE_4	Key 4
KEYCODE_5	Key 5
KEYCODE_6	Key 6
KEYCODE_7	Key 7
KEYCODE_8	Key 8
KEYCODE_9	Key 9
KEYCODE_STAR	Key *
KEYCODE_POUND	Key #
KEYCODE_DPAD_UP	Up key on D-pad
KEYCODE_DPAD_DOWN	Down key on D-pad
KEYCODE_DPAD_LEFT	Left key on D-pad
KEYCODE_DPAD_RIGHT	Right key on D-pad
KEYCODE_DPAD_CENTER	Center key on D-pad
KEYCODE_A	Key A
KEYCODE_B	Key B
KEYCODE_C	Key C
KEYCODE_D	Key D
KEYCODE_E	Key E
KEYCODE_F	Key F
KEYCODE_G	Key G
KEYCODE_H	Key H
KEYCODE_I	Key I
KEYCODE_J	Key J
KEYCODE_K	Key K
KEYCODE_L	Key L
KEYCODE_M	Key M
KEYCODE_N	Key N
KEYCODE_O	Key O
KEYCODE_P	Key P
KEYCODE_Q	Key Q
KEYCODE_R	Key R
KEYCODE_S	Key S
KEYCODE_T	Key T
KEYCODE_U	Key U
KEYCODE_V	Key V
KEYCODE_W	Key W
KEYCODE_X	Key X
KEYCODE_Y	Key Y
KEYCODE_Z	Key Z
KEYCODE_COMMA	Key ,
KEYCODE_PERIOD	Key .
KEYCODE_ALT_LEFT	Left Alt key
KEYCODE_ALT_RIGHT	Right Alt key
KEYCODE_SHIFT_LEFT	Left Shift key
KEYCODE_SHIFT_RIGHT	Right Shift key
KEYCODE_TAB	Tab key
KEYCODE_SPACE	Space key
KEYCODE_SYM	Symbol key
KEYCODE_EXPLORER	Explorer key, which is used to start the explorer application
KEYCODE_ENVELOPE	Email key, which is used to start the email application
KEYCODE_ENTER	Enter key
KEYCODE_DEL	Delete key
KEYCODE_GRAVE	Key `
KEYCODE_MINUS	Key -
KEYCODE_EQUALS	Key =
KEYCODE_LEFT_BRACKET	Key [
KEYCODE_RIGHT_BRACKET	Key ]
KEYCODE_BACKSLASH	Key \|
KEYCODE_SEMICOLON	Key ;
KEYCODE_APOSTROPHE	Key ‘
KEYCODE_SLASH	Key /
KEYCODE_AT	Key \@
KEYCODE_PLUS	Key +
KEYCODE_MENU	Menu key
KEYCODE_PAGE_UP	Page Up key
KEYCODE_PAGE_DOWN	Page Down key
KEYCODE_ESCAPE	ESC key
KEYCODE_FORWARD_DEL	Forward Delete key
KEYCODE_CTRL_LEFT	Left Ctrl key
KEYCODE_CTRL_RIGHT	Right Ctrl key.
KEYCODE_CAPS_LOCK	Caps Lock key
KEYCODE_SCROLL_LOCK	Scroll Lock key
KEYCODE_META_LEFT	Left Meta key
KEYCODE_META_RIGHT	Right Meta key
KEYCODE_FUNCTION	Function key
KEYCODE_SYSRQ	System Request/Print Screen key
KEYCODE_BREAK	Break/Pause key
KEYCODE_MOVE_HOME	Move to Home key
KEYCODE_MOVE_END	Move to End key
KEYCODE_INSERT	Insert key
KEYCODE_FORWARD	Forward key
KEYCODE_MEDIA_PLAY	Play key
KEYCODE_MEDIA_PAUSE	Pause key
KEYCODE_MEDIA_CLOSE	Close key
KEYCODE_MEDIA_EJECT	Eject key
KEYCODE_MEDIA_RECORD	Record key
KEYCODE_F1	F1 key
KEYCODE_F2	F2 key
KEYCODE_F3	F3 key
KEYCODE_F4	F4 key
KEYCODE_F5	F5 key
KEYCODE_F6	F6 key
KEYCODE_F7	F7 key
KEYCODE_F8	F8 key
KEYCODE_F9	F9 key
KEYCODE_F10	F10 key
KEYCODE_F11	F11 key
KEYCODE_F12	F12 key
KEYCODE_NUM_LOCK	Number Lock key on numeric keypad
KEYCODE_NUMPAD_0	Key 0 on numeric keypad
KEYCODE_NUMPAD_1	Key 1 on numeric keypad
KEYCODE_NUMPAD_2	Key 2 on numeric keypad
KEYCODE_NUMPAD_3	Key 3 on numeric keypad
KEYCODE_NUMPAD_4	Key 4 on numeric keypad
KEYCODE_NUMPAD_5	Key 5 on numeric keypad
KEYCODE_NUMPAD_6	Key 6 on numeric keypad
KEYCODE_NUMPAD_7	Key 7 on numeric keypad
KEYCODE_NUMPAD_8	Key 8 on numeric keypad
KEYCODE_NUMPAD_9	Key 9 on numeric keypad
KEYCODE_NUMPAD_DIVIDE	Key / on numeric keypad
KEYCODE_NUMPAD_MULTIPLY	Key * on numeric keypad
KEYCODE_NUMPAD_SUBTRACT	Key - on numeric keypad
KEYCODE_NUMPAD_ADD	Key + on numeric keypad
KEYCODE_NUMPAD_DOT	Key . on numeric keypad
KEYCODE_NUMPAD_COMMA	Key , on numeric keypad
KEYCODE_NUMPAD_ENTER	Enter key on numeric keypad
KEYCODE_NUMPAD_EQUALS	Key = on numeric keypad
KEYCODE_NUMPAD_LEFT_PAREN	Key ( on numeric keypad
KEYCODE_NUMPAD_RIGHT_PAREN	Key ) on numeric keypad
KEYCODE_DAGGER_CLICK	Dagger click key on the smart watch Since: 18
KEYCODE_DAGGER_DOUBLE_CLICK	Dagger double-click key on the smart watch Since: 18
KEYCODE_DAGGER_LONG_PRESS	Dagger long-press key on the smart watch Since: 18

Input_KeyEventAction

enum Input_KeyEventAction

Description

Provides the enum values of the key event type.

Since: 12

Value	Description
KEY_ACTION_CANCEL	Button action canceled.
KEY_ACTION_DOWN	Key pressed.
KEY_ACTION_UP	Key released.

Input_KeyStateAction

enum Input_KeyStateAction

Description

Provides the enum values of the key status.

Since: 12

Value	Description
KEY_DEFAULT	Default state.
KEY_PRESSED	Key pressed.
KEY_RELEASED	Key released.
KEY_SWITCH_ON	Key switch enabled.
KEY_SWITCH_OFF	Key switch disabled.

Input_MouseEventAction

enum Input_MouseEventAction

Description

Provides the enum values of mouse actions.

Since: 12

Value	Description
MOUSE_ACTION_CANCEL	Mouse action canceled.
MOUSE_ACTION_MOVE	Mouse pointer moved.
MOUSE_ACTION_BUTTON_DOWN	Mouse button pressed.
MOUSE_ACTION_BUTTON_UP	Mouse button released.
MOUSE_ACTION_AXIS_BEGIN	Mouse axis begun.
MOUSE_ACTION_AXIS_UPDATE	Mouse axis updated.
MOUSE_ACTION_AXIS_END	Mouse axis ended.

Input_MouseEventButton

enum Input_MouseEventButton

Description

Provides the enum values of mouse buttons.

Since: 12

Value	Description
MOUSE_BUTTON_NONE	Invalid key
MOUSE_BUTTON_LEFT	Left mouse button
MOUSE_BUTTON_MIDDLE	Middle mouse button
MOUSE_BUTTON_RIGHT	Right mouse button
MOUSE_BUTTON_FORWARD	Mouse forward button
MOUSE_BUTTON_BACK	Mouse back button

Input_Result

enum Input_Result

Description

Provides the enum values of error codes.

Since: 12

Value	Description
INPUT_SUCCESS	Operation succeeded.
INPUT_PERMISSION_DENIED	Permission verification failed.
INPUT_NOT_SYSTEM_APPLICATION	Not a system application.
INPUT_PARAMETER_ERROR	Parameter check failed.
INPUT_DEVICE_NOT_SUPPORTED	Input device not supported. Since: API version 14
INPUT_SERVICE_EXCEPTION	Service error.
INPUT_REPEAT_INTERCEPTOR	Interceptor repeatedly created.
INPUT_OCCUPIED_BY_SYSTEM	Occupied by a system application. Since: API version 14
INPUT_OCCUPIED_BY_OTHER	Occupied by other applications. Since: API version 14
INPUT_KEYBOARD_DEVICE_NOT_EXIST	No keyboard connected. Since: API version 15

Input_TouchEventAction

enum Input_TouchEventAction

Description

Provides the enum values of touch actions.

Since: 12

Value	Description
TOUCH_ACTION_CANCEL	Cancellation of touch.
TOUCH_ACTION_DOWN	Pressing of touch.
TOUCH_ACTION_MOVE	Moving of touch.
TOUCH_ACTION_UP	Lifting of touch.

InputEvent_AxisAction

enum InputEvent_AxisAction

Description

Action of the input device.

Since: 12

Value	Description
AXIS_ACTION_CANCEL	Cancellation of an axis input event.
AXIS_ACTION_BEGIN	Start of an axis input event.
AXIS_ACTION_UPDATE	Update of an axis input event.
AXIS_ACTION_END	End of an axis input event.

InputEvent_AxisEventType

enum InputEvent_AxisEventType

Description

Event type of the input device.

Since: 12

Value	Description
AXIS_EVENT_TYPE_PINCH	Two-finger pinch event. The value can be AXIS_TYPE_PINCH or AXIS_TYPE_ROTATE.
AXIS_EVENT_TYPE_SCROLL	Scroll axis event. The value can be AXIS_TYPE_SCROLL_VERTICAL and AXIS_TYPE_SCROLL_HORIZONTAL. For mouse wheel events, the value can only be AXIS_TYPE_SCROLL_VERTICAL.

InputEvent_AxisType

enum InputEvent_AxisType

Description

Defines the axis type of an input device.

Since: 12

Value	Description
AXIS_TYPE_UNKNOWN	Unknown axis type, which is usually used as the initial value.
AXIS_TYPE_SCROLL_VERTICAL	Vertical scroll axis. When you scroll the mouse wheel or slide with one or two fingers on the touchpad, the status of the vertical scroll axis changes.
AXIS_TYPE_SCROLL_HORIZONTAL	Horizontal scroll axis. When you scroll the mouse wheel or slide with two fingers on the touchpad, the status of the horizontal scroll axis changes.
AXIS_TYPE_PINCH	Pinch axis, which is used to describe a two-finger pinch gesture on the touchpad.
AXIS_TYPE_ROTATE	Rotation axis, which is used to describe a two-finger rotation gesture on the touchpad.

InputEvent_MouseAxis

enum InputEvent_MouseAxis

Description

Provides the enum values of mouse axis event types.

Since: 12

Value	Description
MOUSE_AXIS_SCROLL_VERTICAL	Vertical scroll axis.
MOUSE_AXIS_SCROLL_HORIZONTAL	Horizontal scroll axis.

InputEvent_SourceType

enum InputEvent_SourceType

Description

Enter the event source type.

Since: 12

Value	Description
SOURCE_TYPE_MOUSE	Source that generates events similar to mouse cursor movement, button press and release, and wheel scrolling.
SOURCE_TYPE_TOUCHSCREEN	Source that generates a touchscreen multi-touch event.
SOURCE_TYPE_TOUCHPAD	Source that generates a touchpad multi-touch event.

Function Description

OH_Input_AddAxisEventMonitor()

Input_Result OH_Input_AddAxisEventMonitor (InputEvent_AxisEventType axisEventType, Input_AxisEventCallback callback )

Description

Adds a listener for the specified type of axis events, which are defined in InputEvent_AxisEventType.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEventType	Type of the axis event. The event type is defined in InputEvent_AxisEventType.
callback	Callback used to receive the specified type of axis events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

INTO_SUCCESS if the operation is successful; INPUT_PERMISSION_DENIED if the permission verification fails; INPUT_PARAMETER_ERROR if the callback is empty; INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_AddAxisEventMonitorForAll()

Input_Result OH_Input_AddAxisEventMonitorForAll (Input_AxisEventCallback callback)

Description

Adds a listener for all types of axis events, which are defined in InputEvent_AxisEventType.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback used to receive axis events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_AddHotkeyMonitor()

Input_Result OH_Input_AddHotkeyMonitor (const Input_Hotkey * hotkey, Input_HotkeyCallback callback )

Description

Subscribes to shortcut key events. This API is not applicable to wearables and lite wearables.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
callback	Defines the callback used to return shortcut key events.

Returns

OH_Input_AddHotkeyMonitor status code, specifically,

INPUT_SUCCESS if the operation is successful;

INPUT_PARAMETER_ERROR if parameter check fails;

INPUT_OCCUPIED_BY_SYSTEM if the shortcut key has been occupied by the system (you can use OH_Input_GetAllSystemHotkeys to query allsystem shortcut keys);

INPUT_OCCUPIED_BY_OTHER if the shortcut key has been occupied by another application.

INPUT_DEVICE_NOT_SUPPORTED if the input device is not supported.

OH_Input_AddInputEventInterceptor()

Input_Result OH_Input_AddInputEventInterceptor (Input_InterceptorEventCallback *callback, Input_InterceptorOptions * option)

Description

Adds an interceptor for input events, including mouse, touch, and axis events. If multiple interceptors are added, only the first one takes effect. Key events are intercepted only when the application window is hit.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Pointer to the input event callback. For details, see Input_InterceptorEventCallback.
option	Options for event interception. If null is passed, the default value is used.

Required Permissions

ohos.permission.INTERCEPT_INPUT_EVENT

Returns

INTO_SUCCESS if the operation is successful;

INPUT_PERMISSION_DENIED if the permission verification fails;

INPUT_PARAMETER_ERROR if the callback is empty;

INPUT_REPEAT_INTERCEPTOR if an interceptor is repeatedly added;

or INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_AddKeyEventInterceptor()

Input_Result OH_Input_AddKeyEventInterceptor (Input_KeyEventCallback callback, Input_InterceptorOptions * option )

Description

Adds an interceptor for key events. If multiple interceptors are added, only the first one takes effect. Key events are intercepted only when the application gains focus.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback used to receive key events.
option	Options for event interception. If null is passed, the default value is used.

Required Permissions

ohos.permission.INTERCEPT_INPUT_EVENT

Returns

INTO_SUCCESS if the operation is successful;

INPUT_PERMISSION_DENIED if the permission verification fails;

INPUT_PARAMETER_ERROR if the callback is empty;

INPUT_REPEAT_INTERCEPTOR if an interceptor is repeatedly added;

or INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_AddKeyEventMonitor()

Input_Result OH_Input_AddKeyEventMonitor (Input_KeyEventCallback callback)

Description

Adds a listener for key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback used to receive key events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

INTO_SUCCESS if the operation is successful;

INPUT_PERMISSION_DENIED if the permission verification fails;

INPUT_PARAMETER_ERROR if the callback is empty;

or INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_AddMouseEventMonitor()

Input_Result OH_Input_AddMouseEventMonitor (Input_MouseEventCallback callback)

Description

Adds a listener for mouse events, including mouse click and movement events, but not scroll wheel events. Scroll wheel events are axis events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback used to receive mouse events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

INTO_SUCCESS if the operation is successful;

INPUT_PERMISSION_DENIED if the permission verification fails;

INPUT_PARAMETER_ERROR if the callback is empty;

or INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_AddTouchEventMonitor()

Input_Result OH_Input_AddTouchEventMonitor (Input_TouchEventCallback callback)

Description

Adds a listener for touch events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback used to receive touch events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_CancelInjection()

void OH_Input_CancelInjection ()

Description

Stops event injection and revokes authorization.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

OH_Input_CreateAllSystemHotkeys()

Input_Hotkey** OH_Input_CreateAllSystemHotkeys (int32_t count)

Description

Creates an array of Input_Hotkey instances.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
count	Number of Input_Hotkey instances to be created.

Returns

OH_Input_CreateAllSystemHotkey status code, which is INPUT_SUCCESS if a double pointer to the instance array is successfully created or an error code otherwise.

OH_Input_CreateAxisEvent()

Input_AxisEvent* OH_Input_CreateAxisEvent ( void )

Description

Creates an axis event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Returns

An Input_AxisEvent object if the operation is successful; null otherwise.

OH_Input_CreateDeviceInfo()

Input_DeviceInfo* OH_Input_CreateDeviceInfo (void )

Description

Creates a deviceInfo object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Returns

Pointer to an Input_DeviceInfo object if the operation is successful; a null pointer otherwise (possibly because of a memory allocation failure).

OH_Input_CreateHotkey()

Input_Hotkey* OH_Input_CreateHotkey (void)

Description

Creates a shortcut key object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Returns

An Input_Hotkey pointer object if the operation is successful; a null pointer otherwise (possibly because of a memory allocation failure).

OH_Input_CreateKeyEvent()

struct Input_KeyEvent* OH_Input_CreateKeyEvent ()

Description

Creates a key event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Returns

An Input_KeyEvent pointer object if the operation is successful; a null pointer otherwise.

OH_Input_CreateKeyState()

struct Input_KeyState* OH_Input_CreateKeyState ()

Description

Creates a key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Returns

An Input_KeyState pointer object if the operation is successful; a null pointer otherwise.

OH_Input_CreateMouseEvent()

struct Input_MouseEvent* OH_Input_CreateMouseEvent ()

Description

Creates a mouse event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Returns

An Input_MouseEvent pointer object if the operation is successful; a null pointer otherwise.

OH_Input_CreateTouchEvent()

struct Input_TouchEvent* OH_Input_CreateTouchEvent ()

Description

Creates a touch event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Returns

An Input_TouchEvent pointer object if the operation is successful; a null pointer otherwise.

OH_Input_DestroyAllSystemHotkeys()

void OH_Input_DestroyAllSystemHotkeys (Input_Hotkey ** hotkeys, int32_t count )

Description

Destroys the array of Input_Hotkey instances and reclaims the memory.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkeys	Double pointer to the array of Input_Hotkey instances.
count	Number of Input_Hotkey instances to be destroyed.

OH_Input_DestroyAxisEvent()

Input_Result OH_Input_DestroyAxisEvent (Input_AxisEvent ** axisEvent)

Description

Destroys an axis event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Pointer to the axis event object.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent or *axisEvent is NULL.

OH_Input_DestroyDeviceInfo()

void OH_Input_DestroyDeviceInfo (Input_DeviceInfo ** deviceInfo)

Description

Destroys a deviceInfo object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	deviceInfo object.

OH_Input_DestroyHotkey()

void OH_Input_DestroyHotkey (Input_Hotkey ** hotkey)

Description

Destroys a shortcut key object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.

OH_Input_DestroyKeyEvent()

void OH_Input_DestroyKeyEvent (struct Input_KeyEvent ** keyEvent)

Description

Destroys a key event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.

OH_Input_DestroyKeyState()

void OH_Input_DestroyKeyState (struct Input_KeyState ** keyState)

Description

Destroys a key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.

OH_Input_DestroyMouseEvent()

void OH_Input_DestroyMouseEvent (struct Input_MouseEvent ** mouseEvent)

Description

Destroys a mouse event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

OH_Input_DestroyTouchEvent()

void OH_Input_DestroyTouchEvent (struct Input_TouchEvent ** touchEvent)

Description

Destroys a touch event object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

OH_Input_GetAllSystemHotkeys()

Input_Result OH_Input_GetAllSystemHotkeys (Input_Hotkey ** hotkey, int32_t * count )

Description

Obtains all configured shortcut keys.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	An array of Input_Hotkey instances. When calling this API for the first time, you can pass NULL to obtain the array length.
count	Number of supported shortcut keys.

Returns

Status code of the OH_Input_GetAllSystemHotkeys function, which is

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR otherwise.

OH_Input_GetAxisEventAction()

Input_Result OH_Input_GetAxisEventAction (const Input_AxisEvent * axisEvent, InputEvent_AxisAction * action )

Description

Obtains the action of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
action	Action of the axis event. For details, see InputEvent_AxisAction.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or action is NULL.

OH_Input_GetAxisEventActionTime()

Input_Result OH_Input_GetAxisEventActionTime (const Input_AxisEvent * axisEvent, int64_t * actionTime )

Description

Obtains the time when an axis event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
actionTime	Time when an axis event occurs.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or actionTime is NULL.

OH_Input_GetAxisEventAxisValue()

Input_Result OH_Input_GetAxisEventAxisValue (const Input_AxisEvent * axisEvent, InputEvent_AxisType axisType, double * axisValue )

Description

Obtains the axis value for the specified axis type of the axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
axisType	Axis type. For details, see InputEvent_AxisType.
axisValue	Axis value of the axis event.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or axisValue is NULL.

OH_Input_GetAxisEventDisplayId()

Input_Result OH_Input_GetAxisEventDisplayId (const Input_AxisEvent * axisEvent, int32_t * displayId )

Description

Obtains the screen ID of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
axisEvent	Axis event object.
displayId	Screen ID of the axis event.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or displayId is NULL.

OH_Input_GetAxisEventDisplayX()

Input_Result OH_Input_GetAxisEventDisplayX (const Input_AxisEvent * axisEvent, float * displayX )

Description

Obtains the X coordinate of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
displayX	X coordinate of the axis event.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or displayX is NULL.

OH_Input_GetAxisEventDisplayY()

Input_Result OH_Input_GetAxisEventDisplayY (const Input_AxisEvent * axisEvent, float * displayY )

Description

Obtains the Y coordinate of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
displayY	Y coordinate of the axis event.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or displayY is NULL.

OH_Input_GetAxisEventSourceType()

Input_Result OH_Input_GetAxisEventSourceType (const Input_AxisEvent * axisEvent, InputEvent_SourceType * sourceType )

Description

Obtains the axis event source type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
sourceType	Axis event source type. For details, see InputEvent_SourceType.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or sourceType is NULL.

OH_Input_GetAxisEventType()

Input_Result OH_Input_GetAxisEventType (const Input_AxisEvent * axisEvent, InputEvent_AxisEventType * axisEventType )

Description

Obtains the axis event type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
axisEventType	Axis event type. For details, see InputEvent_AxisEventType.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or axisEventType is NULL.

OH_Input_GetAxisEventWindowId()

Input_Result OH_Input_GetAxisEventWindowId (const Input_AxisEvent * axisEvent, int32_t * windowId )

Description

Obtains the window ID of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
axisEvent	Axis event object.
windowId	Window ID of the axis event.

Returns

INTO_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if axisEvent or windowId is NULL.

OH_Input_GetCapabilities()

Input_Result OH_Input_GetCapabilities (Input_DeviceInfo * deviceInfo, int32_t * capabilities )

Description

Obtains the capabilities of an input device, for example, a touchscreen, touchpad, or keyboard.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input_DeviceInfo object.
capabilities	Pointer to the capability information of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or capabilities is a null pointer.

OH_Input_GetDevice()

Input_Result OH_Input_GetDevice (int32_t deviceId, Input_DeviceInfo ** deviceInfo )

Description

Obtains information about the input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceId	Device ID.
deviceInfo	Pointer to the Input_DeviceInfo object.

Returns

INPUT_SUCCESS if the operation is successful;

INPUT_PARAMETER_ERROR if deviceInfo is a null pointer or deviceId is invalid. You can use OH_Input_GetDeviceIds to query the device IDs supported by the system.

OH_Input_GetDeviceAddress()

Input_Result OH_Input_GetDeviceAddress (Input_DeviceInfo * deviceInfo, char ** address )

Description

Obtains the physical address of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input_DeviceInfo object.
address	Pointer to the physical address of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or address is a null pointer.

OH_Input_GetDeviceId()

Input_Result OH_Input_GetDeviceId (Input_DeviceInfo * deviceInfo, int32_t * id )

Description

Obtains the ID of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input device information. For details, see Input_DeviceInfo.
id	Pointer to the input device ID.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or id is a null pointer.

OH_Input_GetDeviceIds()

Input_Result OH_Input_GetDeviceIds (int32_t * deviceIds, int32_t inSize, int32_t * outSize )

Description

Obtains the IDs of all input devices.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceIds	List of input device IDs.
inSize	Size of the input device ID list.
outSize	Length of the input device ID list. The value must be less than or equal to the value of inSize.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceIds or outSize is a null pointer or inSize is less than 0.

OH_Input_GetDeviceName()

Input_Result OH_Input_GetDeviceName (Input_DeviceInfo * deviceInfo, char ** name )

Description

Obtains the name of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input device information. For details, see Input_DeviceInfo.
name	Pointer to the input device name.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or name is a null pointer.

OH_Input_GetDeviceProduct()

Input_Result OH_Input_GetDeviceProduct (Input_DeviceInfo * deviceInfo, int32_t * product )

Description

Obtains the product information of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input device information. For details, see Input_DeviceInfo.
product	Pointer to the product information of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or product is a null pointer.

OH_Input_GetDeviceVendor()

Input_Result OH_Input_GetDeviceVendor (Input_DeviceInfo * deviceInfo, int32_t * vendor )

Description

Obtains the vendor information of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input device information. For details, see Input_DeviceInfo.
vendor	Pointer to the vendor information of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or vendor is a null pointer.

OH_Input_GetDeviceVersion()

Input_Result OH_Input_GetDeviceVersion (Input_DeviceInfo * deviceInfo, int32_t * version )

Description

Obtains the version information of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceInfo	Input device information. For details, see Input_DeviceInfo.
version	Pointer to the version information of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if deviceInfo or version is a null pointer.

OH_Input_GetFinalKey()

Input_Result OH_Input_GetFinalKey (const Input_Hotkey * hotkey, int32_t * finalKeyCode )

Description

Obtains the modified key.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
finalKeyCode	Modified key.

Returns

Status code of the OH_Input_GetfinalKey function, which is INPUT_SUCCESS if the operation is successful or

INPUT_PARAMETER_ERROR otherwise.

OH_Input_GetFunctionKeyState()

Input_Result OH_Input_GetFunctionKeyState (int32_t keyCode, int32_t * state )

Description

Obtains the function key status.

Since: 15

Parameters

Name	Description
keyCode	Function key. Only the CapsLock key is supported.
state	Function key status. The value 0 indicates that the function key is disabled, and the value 1 indicates that the function key is enabled.

Returns

OH_Input_GetFunctionKeyState status code, specifically: INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if the parameter is incorrect; INPUT_DEVICE_NOT_EXIST if the keyboard does not exist.

OH_Input_GetIntervalSinceLastInput()

Input_Result OH_Input_GetIntervalSinceLastInput (int64_t * timeInterval)

Description

Obtains the interval since the last system input event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
timeInterval	Interval, in microseconds.

Returns

Status code of the OH_Input_GetIntervalSinceLastInput function,

which is INPUT_SUCCESS if the operation is successful; INPUT_SERVICE_EXCEPTION otherwise.

OH_Input_GetKeyboardType()

Input_Result OH_Input_GetKeyboardType (int32_t deviceId, int32_t * keyboardType )

Description

Obtains the keyboard type of an input device.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
deviceId	Device ID.
keyboardType	Pointer to the keyboard type of the input device.

Returns

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if the device ID is invalid or keyboardType is a null pointer.

OH_Input_GetKeyCode()

int32_t OH_Input_GetKeyCode (const struct Input_KeyState * keyState)

Description

Obtains the key value of a key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.

Returns

Key value of the key status enum object.

OH_Input_GetKeyEventAction()

int32_t OH_Input_GetKeyEventAction (const struct Input_KeyEvent * keyEvent)

Description

Obtains the key event type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.

Returns

Key event type.

OH_Input_GetKeyEventActionTime()

int64_t OH_Input_GetKeyEventActionTime (const struct Input_KeyEvent * keyEvent)

Description

Obtains the time when a key event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.

Returns

Time when a key event occurs.

OH_Input_GetKeyEventDisplayId()

int32_t OH_Input_GetKeyEventDisplayId (const struct Input_KeyEvent * keyEvent)

Description

Obtains the screen ID of a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
keyEvent	Key event object.

Returns

Screen ID of the key event.

OH_Input_GetKeyEventKeyCode()

int32_t OH_Input_GetKeyEventKeyCode (const struct Input_KeyEvent * keyEvent)

Description

Obtains the key code value of a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.

Returns

Key code.

OH_Input_GetKeyEventWindowId()

int32_t OH_Input_GetKeyEventWindowId (const struct Input_KeyEvent * keyEvent)

Description

Obtains the window ID of a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
keyEvent	Key event object.

Returns

Window ID of the key event.

OH_Input_GetKeyPressed()

int32_t OH_Input_GetKeyPressed (const struct Input_KeyState * keyState)

Description

Checks whether the key specific to a key status enum object is pressed.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.

Returns

Key pressing status of the key status enum object.

OH_Input_GetKeyState()

Input_Result OH_Input_GetKeyState (struct Input_KeyState * keyState)

Description

Queries a key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.

Returns

Input_Result#INPUT_SUCCESS if the operation is successful; an error code defined in Input_Result otherwise.

OH_Input_GetKeySwitch()

int32_t OH_Input_GetKeySwitch (const struct Input_KeyState * keyState)

Description

Obtains the key switch of the key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.

Returns

Key switch of the key status enum object.

OH_Input_GetMouseEventAction()

int32_t OH_Input_GetMouseEventAction (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the action of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Mouse action.

OH_Input_GetMouseEventActionTime()

int64_t OH_Input_GetMouseEventActionTime (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the time when a mouse event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Mouse event object.

Returns

Time when the mouse event occurs.

OH_Input_GetMouseEventAxisType()

int32_t OH_Input_GetMouseEventAxisType (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the axis type of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Axis type.

OH_Input_GetMouseEventAxisValue()

float OH_Input_GetMouseEventAxisValue (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the axis value of a mouse axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Axis value of the mouse axis event.

OH_Input_GetMouseEventButton()

int32_t OH_Input_GetMouseEventButton (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the button of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Enumerates mouse buttons.

OH_Input_GetMouseEventDisplayId()

int32_t OH_Input_GetMouseEventDisplayId (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the screen ID of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Screen ID of the mouse event.

OH_Input_GetMouseEventDisplayX()

int32_t OH_Input_GetMouseEventDisplayX (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the X coordinate of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

X coordinate on the screen.

OH_Input_GetMouseEventDisplayY()

int32_t OH_Input_GetMouseEventDisplayY (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the Y coordinate of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Y coordinate on the screen.

OH_Input_GetMouseEventWindowId()

int32_t OH_Input_GetMouseEventWindowId (const struct Input_MouseEvent * mouseEvent)

Description

Obtains the window ID of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
mouseEvent	Mouse event object.

Returns

Window ID of the mouse event.

OH_Input_GetPreKeys()

Input_Result OH_Input_GetPreKeys (const Input_Hotkey * hotkey, int32_t ** preKeys, int32_t * preKeyCount )

Description

Obtains the modifier key.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
preKeys	List of modifier keys.
preKeyCount	Number of modifier keys.

Returns

Status code of the OH_Input_GetpressedKeys function, which is INPUT_SUCCESS if the operation is successful or

INPUT_PARAMETER_ERROR otherwise.

OH_Input_GetRepeat()

Input_Result OH_Input_GetRepeat (const Input_Hotkey * hotkey, bool * isRepeat )

Description

Checks whether to report repeated key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
isRepeat	Whether the reported key events is repeated.

Returns

OH_Input_GetIsRepeat status code, specifically, INPUT_SUCCESS if the operation is successful or

INPUT_PARAMETER_ERROR otherwise.

OH_Input_GetTouchEventAction()

int32_t OH_Input_GetTouchEventAction (const struct Input_TouchEvent * touchEvent)

Description

Obtains the action of a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

Returns

Action of the touch event.

OH_Input_GetTouchEventActionTime()

int64_t OH_Input_GetTouchEventActionTime (const struct Input_TouchEvent * touchEvent)

Description

Obtains the time when a touch event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Touch event object.

Returns

Time when the touch event occurs.

OH_Input_GetTouchEventDisplayId()

int32_t OH_Input_GetTouchEventDisplayId (const struct Input_TouchEvent * touchEvent)

Description

Obtains the screen ID of a touchscreen event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
touchEvent	Touch event object.

Returns

Screen ID of the touchscreen event.

OH_Input_GetTouchEventDisplayX()

int32_t OH_Input_GetTouchEventDisplayX (const struct Input_TouchEvent * touchEvent)

Description

Obtains the X coordinate of a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

Returns

X coordinate on the touchscreen.

OH_Input_GetTouchEventDisplayY()

int32_t OH_Input_GetTouchEventDisplayY (const struct Input_TouchEvent * touchEvent)

Description

Obtains the Y coordinate of a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

Returns

Y coordinate on the touchscreen.

OH_Input_GetTouchEventFingerId()

int32_t OH_Input_GetTouchEventFingerId (const struct Input_TouchEvent * touchEvent)

Description

Obtains the finger ID of a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.

Returns

Finger ID of a touch event.

OH_Input_GetTouchEventWindowId()

int32_t OH_Input_GetTouchEventWindowId (const struct Input_TouchEvent * touchEvent)

Description

Obtains the window ID of a touchscreen event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
touchEvent	Touch event object.

Returns

Window ID of the touchscreen event.

OH_Input_InjectKeyEvent()

int32_t OH_Input_InjectKeyEvent (const struct Input_KeyEvent * keyEvent)

Description

Injects a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Defines the key event to be injected.

Returns

0 if the operation is successful; 201 if the required permission is missing; 401 if the parameter is invalid.

OH_Input_InjectMouseEvent()

int32_t OH_Input_InjectMouseEvent (const struct Input_MouseEvent * mouseEvent)

Description

Injects a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Defines the mouse event to be injected.

Returns

0 if the operation is successful; 201 if the required permission is missing; 401 if the parameter is invalid.

OH_Input_InjectTouchEvent()

int32_t OH_Input_InjectTouchEvent (const struct Input_TouchEvent * touchEvent)

Description

Injects a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Defines the touch event to be injected.

Returns

0 if the operation is successful; 201 if the required permission is missing; 401 if the parameter is invalid.

OH_Input_RegisterDeviceListener()

Input_Result OH_Input_RegisterDeviceListener (Input_DeviceListener * listener)

Description

Registers a listener for device hot swap events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
listener	Pointer to the Input_DeviceListener object.

Returns

OH_Input_RegisterDeviceListener status code, specifically:

INPUT_SUCCESS if the operation is successful; INPUT_PARAMETER_ERROR if listener is NULL.

OH_Input_RemoveAxisEventMonitor()

Input_Result OH_Input_RemoveAxisEventMonitor (InputEvent_AxisEventType axisEventType, Input_AxisEventCallback callback )

Description

Removes the listener for the specified type of axis events, which are defined in InputEvent_AxisEventType.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEventType	Axis event type, which is defined in InputEvent_AxisEventType.
callback	Callback for the specified type of axis events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

INTO_SUCCESS if the operation is successful; INPUT_PERMISSION_DENIED if the permission verification fails; INPUT_PARAMETER_ERROR if the callback is empty or no listener is added; INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_RemoveAxisEventMonitorForAll()

Input_Result OH_Input_RemoveAxisEventMonitorForAll (Input_AxisEventCallback callback)

Description

Removes the listener for all types of axis events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback for the all types of axis events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_RemoveHotkeyMonitor()

Input_Result OH_Input_RemoveHotkeyMonitor (const Input_Hotkey * hotkey, Input_HotkeyCallback callback )

Description

Unsubscribes from shortcut key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
callback	Defines the callback used to return shortcut key events.

Returns

OH_Input_RemoveHotkeyMonitor status code, specifically, INPUT_SUCCESS if the operation is successful or

INPUT_PARAMETER_ERROR if parameter check fails.

OH_Input_RemoveInputEventInterceptor()

Input_Result OH_Input_RemoveInputEventInterceptor (void)

Description

Removes the interceptor for input events, including mouse, touch, and axis events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Required Permissions

ohos.permission.INTERCEPT_INPUT_EVENT

Returns

INTO_SUCCESS if operation is successful; INPUT_PERMISSION_DENIED if permission verification fails; INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_RemoveKeyEventInterceptor()

Input_Result OH_Input_RemoveKeyEventInterceptor (void)

Description

Removes the interceptor for key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Required Permissions

ohos.permission.INTERCEPT_INPUT_EVENT

Returns

INTO_SUCCESS if operation is successful; INPUT_PERMISSION_DENIED if permission verification fails; INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_RemoveKeyEventMonitor()

Input_Result OH_Input_RemoveKeyEventMonitor (Input_KeyEventCallback callback)

Description

Removes the listener for key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback for key events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_RemoveMouseEventMonitor()

Input_Result OH_Input_RemoveMouseEventMonitor (Input_MouseEventCallback callback)

Description

Removes the listener for mouse events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback for mouse events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_RemoveTouchEventMonitor()

Input_Result OH_Input_RemoveTouchEventMonitor (Input_TouchEventCallback callback)

Description

Removes the listener for touch events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
callback	Callback for touch events.

Required Permissions

ohos.permission.INPUT_MONITORING

Returns

OH_Input_SetAxisEventAction()

Input_Result OH_Input_SetAxisEventAction (Input_AxisEvent * axisEvent, InputEvent_AxisAction action )

Description

Sets the action for an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
action	Action of the axis event. For details, see InputEvent_AxisAction.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventActionTime()

Input_Result OH_Input_SetAxisEventActionTime (Input_AxisEvent * axisEvent, int64_t actionTime )

Description

Sets the time when an axis event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
actionTime	Time when an event occurs.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventAxisValue()

Input_Result OH_Input_SetAxisEventAxisValue (Input_AxisEvent * axisEvent, InputEvent_AxisType axisType, double axisValue )

Description

Sets the axis value of the axis type specified by the axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
axisType	Axis type. For details, see InputEvent_AxisType.
axisValue	Axis event axis value.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventDisplayId()

Input_Result OH_Input_SetAxisEventDisplayId (Input_AxisEvent * axisEvent, int32_t displayId )

Description

Sets the screen ID of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
axisEvent	Axis event object.
displayId	Screen ID of the axis event.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventDisplayX()

Input_Result OH_Input_SetAxisEventDisplayX (Input_AxisEvent * axisEvent, float displayX )

Description

Sets the X coordinate for an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
displayX	X coordinate of the axis event.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventDisplayY()

Input_Result OH_Input_SetAxisEventDisplayY (Input_AxisEvent * axisEvent, float displayY )

Description

Sets the Y coordinate for an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
displayY	Y coordinate of the axis event.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventSourceType()

Input_Result OH_Input_SetAxisEventSourceType (Input_AxisEvent * axisEvent, InputEvent_SourceType sourceType )

Description

Sets the axis event source type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object.
sourceType	Axis event source type. For details, see InputEvent_SourceType.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventType()

Input_Result OH_Input_SetAxisEventType (Input_AxisEvent * axisEvent, InputEvent_AxisEventType axisEventType )

Description

Sets the axis event type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
axisEvent	Axis event object. For details, see Input_AxisEvent.
axisEventType	Axis event type. For details, see InputEvent_AxisEventType.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetAxisEventWindowId()

Input_Result OH_Input_SetAxisEventWindowId (Input_AxisEvent * axisEvent, int32_t windowId )

Description

Sets the window ID of an axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
axisEvent	Axis event object.
windowId	Window ID of the axis event.

Returns

INTO_SUCCESS if operation is successful; INPUT_PARAMETER_ERROR if axisEvent is NULL.

OH_Input_SetFinalKey()

void OH_Input_SetFinalKey (Input_Hotkey * hotkey, int32_t finalKey )

Description

Sets the modified key.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
finalKey	Modifier key value. Only one modifier key value is allowed.

OH_Input_SetKeyCode()

void OH_Input_SetKeyCode (struct Input_KeyState * keyState, int32_t keyCode )

Description

Sets the key value of a key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.
keyCode	Key code.

OH_Input_SetKeyEventAction()

void OH_Input_SetKeyEventAction (struct Input_KeyEvent * keyEvent, int32_t action )

Description

Sets the key event type.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.
action	Key event type.

OH_Input_SetKeyEventActionTime()

void OH_Input_SetKeyEventActionTime (struct Input_KeyEvent * keyEvent, int64_t actionTime )

Description

Sets the time when a key event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.
actionTime	Time when a key event occurs.

OH_Input_SetKeyEventDisplayId()

void OH_Input_SetKeyEventDisplayId (struct Input_KeyEvent * keyEvent, int32_t displayId )

Description

Sets the screen ID of a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
keyEvent	Key event object.
displayId	Screen ID of the key event.

OH_Input_SetKeyEventKeyCode()

void OH_Input_SetKeyEventKeyCode (struct Input_KeyEvent * keyEvent, int32_t keyCode )

Description

Sets the key code value for a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Key event object.
keyCode	Key value.

OH_Input_SetKeyEventWindowId()

void OH_Input_SetKeyEventWindowId (struct Input_KeyEvent * keyEvent, int32_t windowId )

Description

Sets the window ID of a key event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
keyEvent	Key event object.
windowId	Window ID of the key event.

OH_Input_SetKeyPressed()

void OH_Input_SetKeyPressed (struct Input_KeyState * keyState, int32_t keyAction )

Description

Sets whether the key specific to a key status enum object is pressed.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.
keyAction	Whether a key is pressed. For details, see Input_KeyEventAction.

OH_Input_SetKeySwitch()

void OH_Input_SetKeySwitch (struct Input_KeyState * keyState, int32_t keySwitch )

Description

Sets the key switch of the key status enum object.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyState	Key status enum object. For details, see Input_KeyStateAction.
keySwitch	Key switch.

OH_Input_SetMouseEventAction()

void OH_Input_SetMouseEventAction (struct Input_MouseEvent * mouseEvent, int32_t action )

Description

Sets the action for a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
action	Mouse action.

OH_Input_SetMouseEventActionTime()

void OH_Input_SetMouseEventActionTime (struct Input_MouseEvent * mouseEvent, int64_t actionTime )

Description

Sets the time when a mouse event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
actionTime	Time when a mouse event occurs.

OH_Input_SetMouseEventAxisType()

void OH_Input_SetMouseEventAxisType (struct Input_MouseEvent * mouseEvent, int32_t axisType )

Description

Sets the axis type for a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
axisType	Axis type, for example, X axis or Y axis.

OH_Input_SetMouseEventAxisValue()

void OH_Input_SetMouseEventAxisValue (struct Input_MouseEvent * mouseEvent, float axisValue )

Description

Sets the axis value for a mouse axis event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
axisValue	Axis value. A positive value means scrolling forward, and a negative number means scrolling backward.

OH_Input_SetMouseEventButton()

void OH_Input_SetMouseEventButton (struct Input_MouseEvent * mouseEvent, int32_t button )

Description

Sets the button for a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
button	Enumerates mouse buttons.

OH_Input_SetMouseEventDisplayId()

void OH_Input_SetMouseEventDisplayId (struct Input_MouseEvent * mouseEvent, int32_t displayId )

Description

Sets the screen ID of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
mouseEvent	Mouse event object.
displayId	Screen ID of the mouse event.

OH_Input_SetMouseEventDisplayX()

void OH_Input_SetMouseEventDisplayX (struct Input_MouseEvent * mouseEvent, int32_t displayX )

Description

Sets the X coordinate for a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
displayX	X coordinate on the screen.

OH_Input_SetMouseEventDisplayY()

void OH_Input_SetMouseEventDisplayY (struct Input_MouseEvent * mouseEvent, int32_t displayY )

Description

Sets the Y coordinate for a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
mouseEvent	Mouse event object.
displayY	Y coordinate on the screen.

OH_Input_SetMouseEventWindowId()

void OH_Input_SetMouseEventWindowId (struct Input_MouseEvent * mouseEvent, int32_t windowId )

Description

Sets the window ID of a mouse event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
mouseEvent	Mouse event object.
windowId	Window ID of the mouse event.

OH_Input_SetPreKeys()

void OH_Input_SetPreKeys (Input_Hotkey * hotkey, int32_t * preKeys, int32_t size )

Description

Sets the modifier keys.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
preKeys	List of modifier keys.
size	Number of modifier keys. One or two modifier keys are supported.

OH_Input_SetRepeat()

void OH_Input_SetRepeat (Input_Hotkey * hotkey, bool isRepeat )

Description

Specifies whether to report repeated key events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 14

Parameters

Name	Description
hotkey	Shortcut key object.
isRepeat	Whether to report repeated key events. The value true means to report repeated key events, and the value false means the opposite.

OH_Input_SetTouchEventAction()

void OH_Input_SetTouchEventAction (struct Input_TouchEvent * touchEvent, int32_t action )

Description

Sets the action for a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.
action	Action of the touch event.

OH_Input_SetTouchEventActionTime()

void OH_Input_SetTouchEventActionTime (struct Input_TouchEvent * touchEvent, int64_t actionTime )

Description

Sets the time when a touch event occurs.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
keyEvent	Touch event object.
actionTime	Time when a touch event occurs.

OH_Input_SetTouchEventDisplayId()

void OH_Input_SetTouchEventDisplayId (struct Input_TouchEvent * touchEvent, int32_t displayId )

Description

Sets the screen ID of a touchscreen event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
touchEvent	Touch event object.
displayId	Screen ID of the touchscreen event.

OH_Input_SetTouchEventDisplayX()

void OH_Input_SetTouchEventDisplayX (struct Input_TouchEvent * touchEvent, int32_t displayX )

Description

Sets the X coordinate for a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.
displayX	X coordinate on the touchscreen.

OH_Input_SetTouchEventDisplayY()

void OH_Input_SetTouchEventDisplayY (struct Input_TouchEvent * touchEvent, int32_t displayY )

Description

Sets the Y coordinate for a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.
displayY	Y coordinate on the touchscreen.

OH_Input_SetTouchEventFingerId()

void OH_Input_SetTouchEventFingerId (struct Input_TouchEvent * touchEvent, int32_t id )

Description

Sets the finger ID for a touch event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 12

Parameters

Name	Description
touchEvent	Touch event object.
id	Finger ID of a touch event.

OH_Input_SetTouchEventWindowId()

void OH_Input_SetTouchEventWindowId (struct Input_TouchEvent * touchEvent, int32_t windowId )

Description

Sets the window ID of a touchscreen event.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
touchEvent	Touch event object.
windowId	Window ID of the touchscreen event.

OH_Input_UnregisterDeviceListener()

Input_Result OH_Input_UnregisterDeviceListener (Input_DeviceListener * listener)

Description

Unregisters the listener for device hot swap events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Parameters

Name	Description
listener	Pointer to the Input_DeviceListener object.

Returns

OH_Input_UnregisterDeviceListener status code, specifically:

INPUT_SUCCESS if the operation is successful;

INPUT_PARAMETER_ERROR if listener is NULL or the listener is not registered;

INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_UnregisterDeviceListeners()

Input_Result OH_Input_UnregisterDeviceListeners ()

Description

Unregisters the listener for all device hot swap events.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 13

Returns

OH_Input_UnregisterDeviceListener status code, specifically:

INPUT_SUCCESS if the operation is successful; INPUT_SERVICE_EXCEPTION if the service is abnormal.

OH_Input_GetFunctionKeyState()

Input_Result OH_Input_GetFunctionKeyState(int32_t keyCode, int32_t *state)

Description

Obtains the function key status.

System capability: SystemCapability.MultimodalInput.Input.Core

Since: 15

Parameters

Name	Description
keyCode	Function key. Only the CapsLock key is supported.
state	Function key status. The value 0 indicates that the function key is disabled, and the value 1 indicates that the function key is enabled.