input.h revision 6d0fec2de3601821f4f44eeb7d7deedebb2b7117
146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Copyright (C) 2010 The Android Open Source Project 346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * you may not use this file except in compliance with the License. 646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You may obtain a copy of the License at 746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * http://www.apache.org/licenses/LICENSE-2.0 946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 1046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Unless required by applicable law or agreed to in writing, software 1146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 1246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * See the License for the specific language governing permissions and 1446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * limitations under the License. 1546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 1646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 1746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#ifndef _ANDROID_INPUT_H 1846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#define _ANDROID_INPUT_H 1946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/****************************************************************** 2146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 2246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * IMPORTANT NOTICE: 2346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 2446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This file is part of Android's set of stable system headers 2546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * exposed by the Android NDK (Native Development Kit). 2646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 2746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Third-party source AND binary code relies on the definitions 2846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES. 2946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 3046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES) 3146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS 3246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY 3346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES 3446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 3546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 3746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Structures and functions to receive and process input events in 3846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * native code. 3946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 4046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * NOTE: These functions MUST be implemented by /system/lib/libui.so 4146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 4246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <sys/types.h> 4446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <android/keycodes.h> 45682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn#include <android/looper.h> 4646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#ifdef __cplusplus 4846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownextern "C" { 4946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 5046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 5146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 5246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key states (may be returned by queries about the current state of a 5346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * particular key code, scan code or switch). 5446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 5546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 5646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key state is unknown or the requested key itself is not supported. */ 57c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_UNKNOWN = -1, 5846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 5946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is up. */ 60c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_UP = 0, 6146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is down. */ 63c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_DOWN = 1, 6446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is down but is a virtual key press that is being emulated by the system. */ 66c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_VIRTUAL = 2 6746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 6846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 7046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Meta key / modifer state. 7146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 7246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 7346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* No meta keys are pressed. */ 74c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_NONE = 0, 7546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 7646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether one of the ALT meta keys is pressed. */ 77c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_ON = 0x02, 7846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 7946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the left ALT meta key is pressed. */ 80c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_LEFT_ON = 0x10, 8146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the right ALT meta key is pressed. */ 83c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_RIGHT_ON = 0x20, 8446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether one of the SHIFT meta keys is pressed. */ 86c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_ON = 0x01, 8746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the left SHIFT meta key is pressed. */ 89c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_LEFT_ON = 0x40, 9046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the right SHIFT meta key is pressed. */ 92c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_RIGHT_ON = 0x80, 9346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the SYM meta key is pressed. */ 95c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SYM_ON = 0x04 9646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 9746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 9946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events. 10046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 10146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events are opaque structures. Use the provided accessors functions to 10246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * read their properties. 10346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 1042e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornstruct AInputEvent; 1052e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborntypedef struct AInputEvent AInputEvent; 10646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 10746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 10846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input event types. 10946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 11046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 11146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Indicates that the input event is a key event. */ 112c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_EVENT_TYPE_KEY = 1, 11346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 11446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Indicates that the input event is a motion event. */ 115c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_EVENT_TYPE_MOTION = 2 11646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 11746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 11846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 11946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key event actions. 12046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 12146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 12246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key has been pressed down. */ 123c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_DOWN = 0, 12446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 12546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key has been released. */ 126c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_UP = 1, 12746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 12846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Multiple duplicate key events have occurred in a row, or a complex string is 12946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * being delivered. The repeat_count property of the key event contains the number 13046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * of times the given key code should be executed. 13146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 132c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_MULTIPLE = 2 13346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 13446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 13546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 13646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key event flags. 13746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 13846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 13946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if the device woke because of this key event. */ 140c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_WOKE_HERE = 0x1, 14146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if the key event was generated by a software keyboard. */ 143c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_SOFT_KEYBOARD = 0x2, 14446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if we don't want the key event to cause us to leave touch mode. */ 146c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_KEEP_TOUCH_MODE = 0x4, 14746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if an event was known to come from a trusted part 14946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * of the system. That is, the event is known to come from the user, 15046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and could not have been spoofed by a third party component. */ 151c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_FROM_SYSTEM = 0x8, 15246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 15346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used for compatibility, to identify enter keys that are 15446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * coming from an IME whose enter key has been auto-labelled "next" or 15546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * "done". This allows TextView to dispatch these as normal enter keys 15646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * for old applications, but still do the appropriate action when 15746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * receiving them. */ 158c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_EDITOR_ACTION = 0x10, 15946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 16046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* When associated with up key events, this indicates that the key press 16146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * has been canceled. Typically this is used with virtual touch screen 16246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * keys, where the user can slide from the virtual key area on to the 16346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * display: in that case, the application will receive a canceled up 16446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * event and should not perform the action normally associated with the 16546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * key. Note that for this to work, the application can not perform an 16646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * action for a key until it receives an up or the long press timeout has 16746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * expired. */ 168c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_CANCELED = 0x20, 16946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This key event was generated by a virtual (on-screen) hard key area. 17146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Typically this is an area of the touchscreen, outside of the regular 17246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * display, dedicated to "hardware" buttons. */ 173c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY = 0x40, 17446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This flag is set for the first key repeat that occurs after the 17646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * long press timeout. */ 177c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_LONG_PRESS = 0x80, 17846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 179c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* Set when a key event has AKEY_EVENT_FLAG_CANCELED set because a long 18046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * press action was executed while it was down. */ 181c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_CANCELED_LONG_PRESS = 0x100, 18246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 183c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* Set for AKEY_EVENT_ACTION_UP when this event's key code is still being 18446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * tracked from its initial down. That is, somebody requested that tracking 18546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * started on the key down and a long press has not caused 18646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the tracking to be canceled. */ 187c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_TRACKING = 0x200 18846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 18946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 19146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Motion event actions. 19246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 19346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Bit shift for the action bits holding the pointer index as 195c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * defined by AMOTION_EVENT_ACTION_POINTER_INDEX_MASK. 19646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 197c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown#define AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT 8 19846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 20046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Bit mask of the parts of the action code that are the action itself. 20146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 202c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_MASK = 0xff, 20346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 20446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Bits in the action code that represent a pointer index, used with 205c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * AMOTION_EVENT_ACTION_POINTER_DOWN and AMOTION_EVENT_ACTION_POINTER_UP. Shifting 206c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * down by AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT provides the actual pointer 20746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * index where the data for the pointer going up or down can be found. 20846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 209c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_INDEX_MASK = 0xff00, 21046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 21146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A pressed gesture has started, the motion contains the initial starting location. 21246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 213c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_DOWN = 0, 21446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 21546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A pressed gesture has finished, the motion contains the final release location 21646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * as well as any intermediate points since the last down or move event. 21746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 218c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_UP = 1, 21946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 220c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* A change has happened during a press gesture (between AMOTION_EVENT_ACTION_DOWN and 221c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * AMOTION_EVENT_ACTION_UP). The motion contains the most recent point, as well as 22246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * any intermediate points since the last down or move event. 22346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 224c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_MOVE = 2, 22546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The current gesture has been aborted. 22746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You will not receive any more points in it. You should treat this as 22846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * an up event, but not perform any action that you normally would. 22946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 230c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_CANCEL = 3, 23146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A movement has happened outside of the normal bounds of the UI element. 23346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This does not provide a full gesture, but only the initial location of the movement/touch. 23446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 235c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_OUTSIDE = 4, 23646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A non-primary pointer has gone down. 238c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed. 23946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 240c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_DOWN = 5, 24146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 24246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A non-primary pointer has gone up. 243c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed. 24446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 245c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_UP = 6 24646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 24746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 24846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 24946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Motion event edge touch flags. 25046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 25146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 25246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* No edges intersected */ 253c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_NONE = 0, 25446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 25546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the top edge of the screen. */ 256c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_TOP = 0x01, 25746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 25846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the bottom edge of the screen. */ 259c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_BOTTOM = 0x02, 26046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 26146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the left edge of the screen. */ 262c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_LEFT = 0x04, 26346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 26446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the right edge of the screen. */ 265c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_RIGHT = 0x08 26646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 26746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 26846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 269c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * Input sources. 27046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 271c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * Refer to the documentation on android.view.InputDevice for more details about input sources 272c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * and their correct interpretation. 27346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 27446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 275c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_MASK = 0x000000ff, 276c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 277c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_BUTTON = 0x00000001, 278c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_POINTER = 0x00000002, 279c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_NAVIGATION = 0x00000004, 280c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_POSITION = 0x00000008, 281c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_JOYSTICK = 0x00000010, 282c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown}; 283c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 284c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownenum { 285c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_UNKNOWN = 0x00000000, 286c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 287c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_KEYBOARD = 0x00000100 | AINPUT_SOURCE_CLASS_BUTTON, 288c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_DPAD = 0x00000200 | AINPUT_SOURCE_CLASS_BUTTON, 289c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_GAMEPAD = 0x00000400 | AINPUT_SOURCE_CLASS_BUTTON, 290c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TOUCHSCREEN = 0x00001000 | AINPUT_SOURCE_CLASS_POINTER, 291c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_MOUSE = 0x00002000 | AINPUT_SOURCE_CLASS_POINTER, 292c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TRACKBALL = 0x00010000 | AINPUT_SOURCE_CLASS_NAVIGATION, 293c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TOUCHPAD = 0x00100000 | AINPUT_SOURCE_CLASS_POSITION, 294c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_JOYSTICK_LEFT = 0x01000000 | AINPUT_SOURCE_CLASS_JOYSTICK, 295c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_JOYSTICK_RIGHT = 0x02000000 | AINPUT_SOURCE_CLASS_JOYSTICK, 29646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 29746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 29846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 2996d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Keyboard types. 3006d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 3016d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Refer to the documentation on android.view.InputDevice for more details. 3026d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 3036d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownenum { 3046d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_NONE = 0, 3056d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC = 1, 3066d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_ALPHABETIC = 2, 3076d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown}; 3086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3096d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 3106d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Constants used to retrieve information about the range of motion for a particular 3116d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * coordinate of a motion event. 3126d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 3136d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Refer to the documentation on android.view.InputDevice for more details about input sources 3146d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * and their correct interpretation. 3156d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 3166d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownenum { 3176d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_X = 0, 3186d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_Y = 1, 3196d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_PRESSURE = 2, 3206d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_SIZE = 3, 3216d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOUCH_MAJOR = 4, 3226d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOUCH_MINOR = 5, 3236d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOOL_MAJOR = 6, 3246d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOOL_MINOR = 7, 3256d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_ORIENTATION = 8, 3266d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown}; 3276d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3286d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3296d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 33046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input event accessors. 33146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 33246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Note that most functions can only be used on input events that are of a given type. 33346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Calling these functions on input events of other types will yield undefined behavior. 33446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 33546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 33646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for all input events. ***/ 33746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 33846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the input event type. */ 3392e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputEvent_getType(const AInputEvent* event); 34046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 34146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the id for the device that an input event came from. 34246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 34346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events can be generated by multiple different input devices. 34446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Use the input device id to obtain information about the input 34546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * device that was responsible for generating a particular event. 34646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 34746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * An input device id of 0 indicates that the event didn't come from a physical device; 34846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * other numbers are arbitrary and you shouldn't depend on the values. 34946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Use the provided input device query API to obtain information about input devices. 35046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 3512e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputEvent_getDeviceId(const AInputEvent* event); 35246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 353c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the input event source. */ 354c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownint32_t AInputEvent_getSource(const AInputEvent* event); 35546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 35646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for key events only. ***/ 35746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 35846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key event action. */ 3592e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getAction(const AInputEvent* key_event); 36046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key event flags. */ 3622e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getFlags(const AInputEvent* key_event); 36346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key code of the key event. 36546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This is the physical key that was pressed, not the Unicode character. */ 3662e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getKeyCode(const AInputEvent* key_event); 36746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the hardware key id of this key event. 36946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * These values are not reliable and vary from device to device. */ 3702e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getScanCode(const AInputEvent* key_event); 37146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the meta key state. */ 3732e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getMetaState(const AInputEvent* key_event); 37446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the repeat count of the event. 37646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * For both key up an key down events, this is the number of times the key has 37746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * repeated with the first down starting at 0 and counting up from there. For 37846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * multiple key events, this is the number of down/up pairs that have occurred. */ 3792e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getRepeatCount(const AInputEvent* key_event); 38046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 38146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time of the most recent key down event, in the 38246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * java.lang.System.nanoTime() time base. If this is a down event, 38346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * this will be the same as eventTime. 38446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Note that when chording keys, this value is the down time of the most recently 38546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed key, which may not be the same physical key of this event. */ 3862e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AKeyEvent_getDownTime(const AInputEvent* key_event); 38746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 38846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time this event occurred, in the 38946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * java.lang.System.nanoTime() time base. */ 3902e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AKeyEvent_getEventTime(const AInputEvent* key_event); 39146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 39246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for motion events only. ***/ 39346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 39446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the combined motion event action code and pointer index. */ 3952e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getAction(const AInputEvent* motion_event); 39646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 39746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the state of any meta / modifier keys that were in effect when the 39846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * event was generated. */ 3992e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getMetaState(const AInputEvent* motion_event); 40046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 40146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get a bitfield indicating which edges, if any, were touched by this motion event. 40246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * For touch events, clients can use this to determine if the user's finger was 40346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touching the edge of the display. */ 4042e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getEdgeFlags(const AInputEvent* motion_event); 40546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 40646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time when the user originally pressed down to start a stream of 40746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * position events, in the java.lang.System.nanoTime() time base. */ 4082e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getDownTime(const AInputEvent* motion_event); 40946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 41046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time when this specific event was generated, 41146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * in the java.lang.System.nanoTime() time base. */ 4122e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getEventTime(const AInputEvent* motion_event); 41346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4145c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the X coordinate offset. 4155c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the delta that was added to the raw 4165c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * screen coordinates to adjust for the absolute position of the containing windows 4175c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. */ 4182e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getXOffset(const AInputEvent* motion_event); 4195c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 4205c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the precision of the Y coordinates being reported. 4215c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the delta that was added to the raw 4225c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * screen coordinates to adjust for the absolute position of the containing windows 4235c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. */ 4242e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getYOffset(const AInputEvent* motion_event); 4255c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 42646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the precision of the X coordinates being reported. 42746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You can multiply this number with an X coordinate sample to find the 42846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * actual hardware value of the X coordinate. */ 4292e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getXPrecision(const AInputEvent* motion_event); 43046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 43146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the precision of the Y coordinates being reported. 43246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You can multiply this number with a Y coordinate sample to find the 43346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * actual hardware value of the Y coordinate. */ 4342e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getYPrecision(const AInputEvent* motion_event); 43546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 43646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the number of pointers of data contained in this event. 43746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Always >= 1. */ 4382e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornsize_t AMotionEvent_getPointerCount(const AInputEvent* motion_event); 43946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 44046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the pointer identifier associated with a particular pointer 44146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * data index is this event. The identifier tells you the actual pointer 44246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * number associated with the data, accounting for individual pointers 44346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * going up and down since the start of the current gesture. */ 4442e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getPointerId(const AInputEvent* motion_event, size_t pointer_index); 44546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4465c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the original raw X coordinate of this event. 4475c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 44846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * on the screen, before it had been adjusted for the containing window 44946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and views. */ 4502e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getRawX(const AInputEvent* motion_event, size_t pointer_index); 45146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4525c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the original raw X coordinate of this event. 4535c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 45446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * on the screen, before it had been adjusted for the containing window 45546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and views. */ 4562e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getRawY(const AInputEvent* motion_event, size_t pointer_index); 45746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 45846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current X coordinate of this event for the given pointer index. 45946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 46046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 4612e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getX(const AInputEvent* motion_event, size_t pointer_index); 46246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 46346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current Y coordinate of this event for the given pointer index. 46446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 46546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 4662e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getY(const AInputEvent* motion_event, size_t pointer_index); 46746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 46846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current pressure of this event for the given pointer index. 46946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure), 47046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * however values higher than 1 may be generated depending on the calibration of 47146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the input device. */ 4722e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getPressure(const AInputEvent* motion_event, size_t pointer_index); 47346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 47446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current scaled value of the approximate size for the given pointer index. 47546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This represents some approximation of the area of the screen being 47646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed; the actual value in pixels corresponding to the 47746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touch is normalized with the device specific range of values 47846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and scaled to a value between 0 and 1. The value of size can be used to 47946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * determine fat touch events. */ 4802e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getSize(const AInputEvent* motion_event, size_t pointer_index); 48146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 482c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the major axis of an ellipse that describes the touch area 483c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index. */ 484c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getTouchMajor(const AInputEvent* motion_event, size_t pointer_index); 485c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 486c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the minor axis of an ellipse that describes the touch area 487c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index. */ 488c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getTouchMinor(const AInputEvent* motion_event, size_t pointer_index); 489c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 490c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the major axis of an ellipse that describes the size 491c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index. 492c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 493c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 494c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getToolMajor(const AInputEvent* motion_event, size_t pointer_index); 495c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 496c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the minor axis of an ellipse that describes the size 497c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index. 498c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 499c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 500c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getToolMinor(const AInputEvent* motion_event, size_t pointer_index); 501c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 502c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current orientation of the touch area and tool area in radians clockwise from 503c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * vertical for the given pointer index. 504c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * An angle of 0 degrees indicates that the major axis of contact is oriented 505c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * upwards, is perfectly circular or is of unknown orientation. A positive angle 506c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the right. A negative angle 507c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the left. 5086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians 509c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * (finger pointing fully right). */ 510c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getOrientation(const AInputEvent* motion_event, size_t pointer_index); 511c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 51246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the number of historical points in this event. These are movements that 51346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * have occurred between this event and the previous event. This only applies 514c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * to AMOTION_EVENT_ACTION_MOVE events -- all other actions will have a size of 0. 51546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Historical samples are indexed from oldest to newest. */ 516c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownsize_t AMotionEvent_getHistorySize(const AInputEvent* motion_event); 51746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 51846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time that a historical movement occurred between this event and 51946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the previous event, in the java.lang.System.nanoTime() time base. */ 5202e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getHistoricalEventTime(AInputEvent* motion_event, 52146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 52246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 5235c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the historical raw X coordinate of this event for the given pointer index that 5245c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * occurred between this event and the previous motion event. 5255c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 5265c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * on the screen, before it had been adjusted for the containing window 5275c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. 5285c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 5295c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * that are sub-pixel precise. */ 5302e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalRawX(const AInputEvent* motion_event, size_t pointer_index); 5315c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 5325c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the historical raw Y coordinate of this event for the given pointer index that 5335c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * occurred between this event and the previous motion event. 5345c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 5355c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * on the screen, before it had been adjusted for the containing window 5365c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. 5375c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 5385c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * that are sub-pixel precise. */ 5392e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalRawY(const AInputEvent* motion_event, size_t pointer_index); 5405c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 54146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical X coordinate of this event for the given pointer index that 54246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 54346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 54446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 5452e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalX(AInputEvent* motion_event, size_t pointer_index, 54646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 54746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 54846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical Y coordinate of this event for the given pointer index that 54946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 55046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 55146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 5522e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalY(AInputEvent* motion_event, size_t pointer_index, 55346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 55446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 55546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical pressure of this event for the given pointer index that 55646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 55746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure), 55846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * however values higher than 1 may be generated depending on the calibration of 55946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the input device. */ 5602e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalPressure(AInputEvent* motion_event, size_t pointer_index, 56146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 56246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 56346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current scaled value of the approximate size for the given pointer index that 56446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 56546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This represents some approximation of the area of the screen being 56646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed; the actual value in pixels corresponding to the 56746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touch is normalized with the device specific range of values 56846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and scaled to a value between 0 and 1. The value of size can be used to 56946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * determine fat touch events. */ 5702e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalSize(AInputEvent* motion_event, size_t pointer_index, 57146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 57246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 573c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the major axis of an ellipse that describes the touch area 574c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index that 575c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. */ 576c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalTouchMajor(const AInputEvent* motion_event, size_t pointer_index, 577c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 578c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 579c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the minor axis of an ellipse that describes the touch area 580c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index that 581c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. */ 582c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalTouchMinor(const AInputEvent* motion_event, size_t pointer_index, 583c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 584c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 585c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the major axis of an ellipse that describes the size 586c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index that 587c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 588c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 589c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 590c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalToolMajor(const AInputEvent* motion_event, size_t pointer_index, 591c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 592c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 593c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the minor axis of an ellipse that describes the size 594c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index that 595c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 596c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 597c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 598c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalToolMinor(const AInputEvent* motion_event, size_t pointer_index, 599c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 600c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 601c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical orientation of the touch area and tool area in radians clockwise from 602c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * vertical for the given pointer index that 603c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 604c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * An angle of 0 degrees indicates that the major axis of contact is oriented 605c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * upwards, is perfectly circular or is of unknown orientation. A positive angle 606c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the right. A negative angle 607c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the left. 6086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians 609c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * (finger pointing fully right). */ 610c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalOrientation(const AInputEvent* motion_event, size_t pointer_index, 611c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 612c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 613c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 614a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 615a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Input queue 616a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * 617a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * An input queue is the facility through which you retrieve input 618a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * events. 619a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6202e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornstruct AInputQueue; 6212e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborntypedef struct AInputQueue AInputQueue; 622a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 623a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 62485448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn * Add this input queue to a looper for processing. See 62585448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn * ALooper_addFd() for information on the callback and data params. 626a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 627682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornvoid AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper, 62885448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn ALooper_callbackFunc* callback, void* data); 629682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 630682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn/* 631682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * Remove the input queue from the looper it is currently attached to. 632682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn */ 633682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornvoid AInputQueue_detachLooper(AInputQueue* queue); 634a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 635a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 636a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Returns true if there are one or more events available in the 637a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * input queue. Returns 1 if the queue has events; 0 if 638a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * it does not have events; and a negative value if there is an error. 639a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6402c6081ce3593712f30dacd990a97209c791d6cedDianne Hackbornint32_t AInputQueue_hasEvents(AInputQueue* queue); 641a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 642a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 643a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Returns the next available event from the queue. Returns a negative 644a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * value if no events are available or an error has occurred. 645a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6462e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputQueue_getEvent(AInputQueue* queue, AInputEvent** outEvent); 647a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 648a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 6492c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * Sends the key for standard pre-dispatching -- that is, possibly deliver 6502c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * it to the current IME to be consumed before the app. Returns 0 if it 6512c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * was not pre-dispatched, meaning you can process it right now. If non-zero 6522c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * is returned, you must abandon the current event processing and allow the 6532c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * event to appear again in the event queue (if it does not get consumed during 6542c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * pre-dispatching). 6552c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn */ 6562c6081ce3593712f30dacd990a97209c791d6cedDianne Hackbornint32_t AInputQueue_preDispatchEvent(AInputQueue* queue, AInputEvent* event); 6572c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn 6582c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn/* 659a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Report that dispatching has finished with the given event. 6602e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborn * This must be called after receiving an event with AInputQueue_get_event(). 661a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6622e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornvoid AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled); 663a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 6646d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 6656d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Input devices. 6666d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 6676d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * These functions provide a mechanism for querying the set of available input devices 6686d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * and their characteristics and capabilities. 6696d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 6706d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownstruct AInputDevice; 6716d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Browntypedef struct AInputDevice AInputDevice; 6726d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 6736d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 6746d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Populates the supplied array with the ids of all input devices in the system. 6756d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Sets nActual to the actual number of devices. 6766d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Returns zero if enumeration was successful. 6776d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Returns non-zero if the actual number of devices is greater than nMax, in which case the 6786d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * client should call the method again with a larger id buffer. 6796d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 6806d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t AInputDevice_getDeviceIds(int32_t* idBuf, size_t nMax, size_t* nActual); 6816d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 6826d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 6836d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Acquires a device by id. 6846d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Returns NULL if the device was not found. 6856d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 6866d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Note: The returned object must be freed using AInputDevice_release when no longer needed. 6876d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 6886d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff BrownAInputDevice* AInputDevice_acquire(int32_t deviceId); 6896d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 6906d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 6916d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Releases a device previously acquired by AInputDevice_acquire. 6926d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * If device is NULL, this function does nothing. 6936d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 6946d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownvoid AInputDevice_release(AInputDevice* device); 6956d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 6966d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 6976d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Gets the name of an input device. 6986d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 6996d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Note: The caller should copy the name into a private buffer since the returned pointer 7006d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * will become invalid when the device object is released. 7016d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 7026d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownconst char* AInputDevice_getName(AInputDevice* device); 7036d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 7046d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 7056d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Gets the combination of input sources provided by the input device. 7066d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 7076d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownuint32_t AInputDevice_getSources(AInputDevice* device); 7086d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 7096d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 7106d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Gets the keyboard type. 7116d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 7126d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t AInputDevice_getKeyboardType(AInputDevice* device); 7136d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 7146d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* Gets the minimum value, maximum value, flat position and error tolerance for a 7156d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * particular motion coodinate. 7166d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Returns zero if the device supports the specified motion range. */ 7176d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownint32_t AInputDevice_getMotionRange(AInputDevice* device, int32_t rangeType, 7186d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown float* outMin, float* outMax, float* outFlat, float* outFuzz); 7196d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 7206d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown//TODO hasKey, keymap stuff, etc... 7216d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 72246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#ifdef __cplusplus 72346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 72446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 72546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 72646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif // _ANDROID_INPUT_H 727