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 43e30de4e6a312aa921633d119f2518f4b07a7effaKenny Root#include <stdint.h> 4446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <sys/types.h> 4546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <android/keycodes.h> 46682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn#include <android/looper.h> 4746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#ifdef __cplusplus 4946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownextern "C" { 5046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 5146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 5246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 5346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key states (may be returned by queries about the current state of a 5446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * particular key code, scan code or switch). 5546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 5646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 5746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key state is unknown or the requested key itself is not supported. */ 58c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_UNKNOWN = -1, 5946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is up. */ 61c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_UP = 0, 6246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is down. */ 64c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_DOWN = 1, 6546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 6646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key is down but is a virtual key press that is being emulated by the system. */ 67c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_STATE_VIRTUAL = 2 6846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 6946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 7046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 7146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Meta key / modifer state. 7246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 7346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 7446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* No meta keys are pressed. */ 75c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_NONE = 0, 7646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 7746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether one of the ALT meta keys is pressed. */ 78c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_ON = 0x02, 7946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the left ALT meta key is pressed. */ 81c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_LEFT_ON = 0x10, 8246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the right ALT meta key is pressed. */ 84c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_ALT_RIGHT_ON = 0x20, 8546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether one of the SHIFT meta keys is pressed. */ 87c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_ON = 0x01, 8846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the left SHIFT meta key is pressed. */ 90c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_LEFT_ON = 0x40, 9146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the right SHIFT meta key is pressed. */ 93c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SHIFT_RIGHT_ON = 0x80, 9446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used to check whether the SYM meta key is pressed. */ 96c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMETA_SYM_ON = 0x04 9746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 9846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 10046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events. 10146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 10246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events are opaque structures. Use the provided accessors functions to 10346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * read their properties. 10446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 1052e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornstruct AInputEvent; 1062e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborntypedef struct AInputEvent AInputEvent; 10746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 10846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 10946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input event types. 11046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 11146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 11246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Indicates that the input event is a key event. */ 113c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_EVENT_TYPE_KEY = 1, 11446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 11546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Indicates that the input event is a motion event. */ 116c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_EVENT_TYPE_MOTION = 2 11746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 11846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 11946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 12046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key event actions. 12146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 12246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 12346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key has been pressed down. */ 124c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_DOWN = 0, 12546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 12646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The key has been released. */ 127c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_UP = 1, 12846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 12946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Multiple duplicate key events have occurred in a row, or a complex string is 13046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * being delivered. The repeat_count property of the key event contains the number 13146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * of times the given key code should be executed. 13246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 133c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_ACTION_MULTIPLE = 2 13446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 13546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 13646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 13746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Key event flags. 13846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 13946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 14046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if the device woke because of this key event. */ 141c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_WOKE_HERE = 0x1, 14246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if the key event was generated by a software keyboard. */ 144c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_SOFT_KEYBOARD = 0x2, 14546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if we don't want the key event to cause us to leave touch mode. */ 147c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_KEEP_TOUCH_MODE = 0x4, 14846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is set if an event was known to come from a trusted part 15046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * of the system. That is, the event is known to come from the user, 15146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and could not have been spoofed by a third party component. */ 152c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_FROM_SYSTEM = 0x8, 15346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 15446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This mask is used for compatibility, to identify enter keys that are 15546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * coming from an IME whose enter key has been auto-labelled "next" or 15646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * "done". This allows TextView to dispatch these as normal enter keys 15746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * for old applications, but still do the appropriate action when 15846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * receiving them. */ 159c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_EDITOR_ACTION = 0x10, 16046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 16146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* When associated with up key events, this indicates that the key press 16246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * has been canceled. Typically this is used with virtual touch screen 16346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * keys, where the user can slide from the virtual key area on to the 16446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * display: in that case, the application will receive a canceled up 16546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * event and should not perform the action normally associated with the 16646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * key. Note that for this to work, the application can not perform an 16746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * action for a key until it receives an up or the long press timeout has 16846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * expired. */ 169c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_CANCELED = 0x20, 17046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This key event was generated by a virtual (on-screen) hard key area. 17246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Typically this is an area of the touchscreen, outside of the regular 17346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * display, dedicated to "hardware" buttons. */ 174c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY = 0x40, 17546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* This flag is set for the first key repeat that occurs after the 17746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * long press timeout. */ 178c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_LONG_PRESS = 0x80, 17946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 180c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* Set when a key event has AKEY_EVENT_FLAG_CANCELED set because a long 18146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * press action was executed while it was down. */ 182c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_CANCELED_LONG_PRESS = 0x100, 18346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 184c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* Set for AKEY_EVENT_ACTION_UP when this event's key code is still being 18546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * tracked from its initial down. That is, somebody requested that tracking 18646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * started on the key down and a long press has not caused 18746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the tracking to be canceled. */ 188c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AKEY_EVENT_FLAG_TRACKING = 0x200 18946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 19046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 19246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Motion event actions. 19346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 19446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Bit shift for the action bits holding the pointer index as 196c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * defined by AMOTION_EVENT_ACTION_POINTER_INDEX_MASK. 19746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 198c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown#define AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT 8 19946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 20046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 20146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Bit mask of the parts of the action code that are the action itself. 20246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 203c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_MASK = 0xff, 20446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 20546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Bits in the action code that represent a pointer index, used with 206c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * AMOTION_EVENT_ACTION_POINTER_DOWN and AMOTION_EVENT_ACTION_POINTER_UP. Shifting 207c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * down by AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT provides the actual pointer 20846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * index where the data for the pointer going up or down can be found. 20946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 210c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_INDEX_MASK = 0xff00, 21146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 21246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A pressed gesture has started, the motion contains the initial starting location. 21346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 214c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_DOWN = 0, 21546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 21646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A pressed gesture has finished, the motion contains the final release location 21746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * as well as any intermediate points since the last down or move event. 21846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 219c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_UP = 1, 22046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 221c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown /* A change has happened during a press gesture (between AMOTION_EVENT_ACTION_DOWN and 222c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * AMOTION_EVENT_ACTION_UP). The motion contains the most recent point, as well as 22346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * any intermediate points since the last down or move event. 22446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 225c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_MOVE = 2, 22646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* The current gesture has been aborted. 22846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You will not receive any more points in it. You should treat this as 22946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * an up event, but not perform any action that you normally would. 23046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 231c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_CANCEL = 3, 23246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A movement has happened outside of the normal bounds of the UI element. 23446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This does not provide a full gesture, but only the initial location of the movement/touch. 23546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 236c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_OUTSIDE = 4, 23746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A non-primary pointer has gone down. 239c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed. 24046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 241c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_DOWN = 5, 24246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 24346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* A non-primary pointer has gone up. 244c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The bits in AMOTION_EVENT_ACTION_POINTER_INDEX_MASK indicate which pointer changed. 24546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 246c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_ACTION_POINTER_UP = 6 24746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 24846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 24946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 25085a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * Motion event flags. 25185a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown */ 25285a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brownenum { 25385a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown /* This flag indicates that the window that received this motion event is partly 25485a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * or wholly obscured by another visible window above it. This flag is set to true 25585a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * even if the event did not directly pass through the obscured area. 25685a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * A security sensitive application can check this flag to identify situations in which 25785a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * a malicious application may have covered up part of its content for the purpose 25885a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * of misleading the user or hijacking touches. An appropriate response might be 25985a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * to drop the suspect touches or to take additional precautions to confirm the user's 26085a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown * actual intent. 26185a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown */ 26285a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED = 0x1, 26385a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown}; 26485a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown 26585a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown/* 26646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Motion event edge touch flags. 26746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 26846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 26946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* No edges intersected */ 270c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_NONE = 0, 27146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 27246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the top edge of the screen. */ 273c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_TOP = 0x01, 27446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 27546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the bottom edge of the screen. */ 276c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_BOTTOM = 0x02, 27746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 27846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the left edge of the screen. */ 279c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_LEFT = 0x04, 28046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 28146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Flag indicating the motion event intersected the right edge of the screen. */ 282c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AMOTION_EVENT_EDGE_FLAG_RIGHT = 0x08 28346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 28446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 28546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 286c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * Input sources. 28746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 288c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * Refer to the documentation on android.view.InputDevice for more details about input sources 289c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * and their correct interpretation. 29046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 29146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownenum { 292c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_MASK = 0x000000ff, 293c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 294c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_BUTTON = 0x00000001, 295c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_POINTER = 0x00000002, 296c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_NAVIGATION = 0x00000004, 297c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_CLASS_POSITION = 0x00000008, 298c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown}; 299c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 300c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownenum { 301c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_UNKNOWN = 0x00000000, 302c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 303c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_KEYBOARD = 0x00000100 | AINPUT_SOURCE_CLASS_BUTTON, 304c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_DPAD = 0x00000200 | AINPUT_SOURCE_CLASS_BUTTON, 305c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TOUCHSCREEN = 0x00001000 | AINPUT_SOURCE_CLASS_POINTER, 306c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_MOUSE = 0x00002000 | AINPUT_SOURCE_CLASS_POINTER, 307c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TRACKBALL = 0x00010000 | AINPUT_SOURCE_CLASS_NAVIGATION, 308c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown AINPUT_SOURCE_TOUCHPAD = 0x00100000 | AINPUT_SOURCE_CLASS_POSITION, 309c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown 310c3db858de9fa152480b9cf53c8c0cb793a280722Jeff Brown AINPUT_SOURCE_ANY = 0xffffff00, 31146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 31246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 31346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 3146d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Keyboard types. 3156d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 3166d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Refer to the documentation on android.view.InputDevice for more details. 3176d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 3186d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownenum { 3196d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_NONE = 0, 3206d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC = 1, 3216d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_KEYBOARD_TYPE_ALPHABETIC = 2, 3226d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown}; 3236d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3246d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 3256d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Constants used to retrieve information about the range of motion for a particular 3266d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * coordinate of a motion event. 3276d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * 3286d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * Refer to the documentation on android.view.InputDevice for more details about input sources 3296d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * and their correct interpretation. 3306d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown */ 3316d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brownenum { 3326d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_X = 0, 3336d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_Y = 1, 3346d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_PRESSURE = 2, 3356d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_SIZE = 3, 3366d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOUCH_MAJOR = 4, 3376d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOUCH_MINOR = 5, 3386d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOOL_MAJOR = 6, 3396d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_TOOL_MINOR = 7, 3406d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown AINPUT_MOTION_RANGE_ORIENTATION = 8, 3416d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown}; 3426d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3436d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown 3446d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown/* 34546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input event accessors. 34646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 34746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Note that most functions can only be used on input events that are of a given type. 34846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Calling these functions on input events of other types will yield undefined behavior. 34946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 35046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 35146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for all input events. ***/ 35246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 35346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the input event type. */ 3542e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputEvent_getType(const AInputEvent* event); 35546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 35646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the id for the device that an input event came from. 35746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 35846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Input events can be generated by multiple different input devices. 35946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Use the input device id to obtain information about the input 36046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * device that was responsible for generating a particular event. 36146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 36246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * An input device id of 0 indicates that the event didn't come from a physical device; 36346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * other numbers are arbitrary and you shouldn't depend on the values. 36446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Use the provided input device query API to obtain information about input devices. 36546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 3662e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputEvent_getDeviceId(const AInputEvent* event); 36746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 368c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the input event source. */ 369c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownint32_t AInputEvent_getSource(const AInputEvent* event); 37046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for key events only. ***/ 37246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key event action. */ 3742e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getAction(const AInputEvent* key_event); 37546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key event flags. */ 3772e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getFlags(const AInputEvent* key_event); 37846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 37946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the key code of the key event. 38046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This is the physical key that was pressed, not the Unicode character. */ 3812e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getKeyCode(const AInputEvent* key_event); 38246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 38346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the hardware key id of this key event. 38446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * These values are not reliable and vary from device to device. */ 3852e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getScanCode(const AInputEvent* key_event); 38646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 38746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the meta key state. */ 3882e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getMetaState(const AInputEvent* key_event); 38946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 39046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the repeat count of the event. 39146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * For both key up an key down events, this is the number of times the key has 39246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * repeated with the first down starting at 0 and counting up from there. For 39346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * multiple key events, this is the number of down/up pairs that have occurred. */ 3942e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AKeyEvent_getRepeatCount(const AInputEvent* key_event); 39546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 39646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time of the most recent key down event, in the 39746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * java.lang.System.nanoTime() time base. If this is a down event, 39846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * this will be the same as eventTime. 39946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Note that when chording keys, this value is the down time of the most recently 40046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed key, which may not be the same physical key of this event. */ 4012e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AKeyEvent_getDownTime(const AInputEvent* key_event); 40246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 40346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time this event occurred, in the 40446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * java.lang.System.nanoTime() time base. */ 4052e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AKeyEvent_getEventTime(const AInputEvent* key_event); 40646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 40746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/*** Accessors for motion events only. ***/ 40846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 40946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the combined motion event action code and pointer index. */ 4102e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getAction(const AInputEvent* motion_event); 41146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 41285a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown/* Get the motion event flags. */ 41385a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brownint32_t AMotionEvent_getFlags(const AInputEvent* motion_event); 41485a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown 41546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the state of any meta / modifier keys that were in effect when the 41646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * event was generated. */ 4172e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getMetaState(const AInputEvent* motion_event); 41846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 41946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get a bitfield indicating which edges, if any, were touched by this motion event. 42046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * For touch events, clients can use this to determine if the user's finger was 42146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touching the edge of the display. */ 4222e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getEdgeFlags(const AInputEvent* motion_event); 42346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 42446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time when the user originally pressed down to start a stream of 42546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * position events, in the java.lang.System.nanoTime() time base. */ 4262e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getDownTime(const AInputEvent* motion_event); 42746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 42846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time when this specific event was generated, 42946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * in the java.lang.System.nanoTime() time base. */ 4302e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getEventTime(const AInputEvent* motion_event); 43146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4325c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the X coordinate offset. 4335c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the delta that was added to the raw 4345c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * screen coordinates to adjust for the absolute position of the containing windows 4355c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. */ 4362e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getXOffset(const AInputEvent* motion_event); 4375c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 4385c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the precision of the Y coordinates being reported. 4395c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the delta that was added to the raw 4405c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * screen coordinates to adjust for the absolute position of the containing windows 4415c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. */ 4422e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getYOffset(const AInputEvent* motion_event); 4435c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 44446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the precision of the X coordinates being reported. 44546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You can multiply this number with an X coordinate sample to find the 44646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * actual hardware value of the X coordinate. */ 4472e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getXPrecision(const AInputEvent* motion_event); 44846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 44946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the precision of the Y coordinates being reported. 45046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You can multiply this number with a Y coordinate sample to find the 45146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * actual hardware value of the Y coordinate. */ 4522e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getYPrecision(const AInputEvent* motion_event); 45346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 45446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the number of pointers of data contained in this event. 45546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Always >= 1. */ 4562e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornsize_t AMotionEvent_getPointerCount(const AInputEvent* motion_event); 45746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 45846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the pointer identifier associated with a particular pointer 45946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * data index is this event. The identifier tells you the actual pointer 46046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * number associated with the data, accounting for individual pointers 46146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * going up and down since the start of the current gesture. */ 4622e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AMotionEvent_getPointerId(const AInputEvent* motion_event, size_t pointer_index); 46346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4645c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the original raw X coordinate of this event. 4655c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 46646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * on the screen, before it had been adjusted for the containing window 46746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and views. */ 4682e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getRawX(const AInputEvent* motion_event, size_t pointer_index); 46946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4705c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the original raw X coordinate of this event. 4715c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 47246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * on the screen, before it had been adjusted for the containing window 47346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and views. */ 4742e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getRawY(const AInputEvent* motion_event, size_t pointer_index); 47546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 47646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current X coordinate of this event for the given pointer index. 47746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 47846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 4792e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getX(const AInputEvent* motion_event, size_t pointer_index); 48046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 48146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current Y coordinate of this event for the given pointer index. 48246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 48346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 4842e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getY(const AInputEvent* motion_event, size_t pointer_index); 48546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 48646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current pressure of this event for the given pointer index. 48746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure), 48846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * however values higher than 1 may be generated depending on the calibration of 48946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the input device. */ 4902e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getPressure(const AInputEvent* motion_event, size_t pointer_index); 49146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 49246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current scaled value of the approximate size for the given pointer index. 49346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This represents some approximation of the area of the screen being 49446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed; the actual value in pixels corresponding to the 49546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touch is normalized with the device specific range of values 49646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and scaled to a value between 0 and 1. The value of size can be used to 49746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * determine fat touch events. */ 4982e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getSize(const AInputEvent* motion_event, size_t pointer_index); 49946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 500c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the major axis of an ellipse that describes the touch area 501c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index. */ 502c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getTouchMajor(const AInputEvent* motion_event, size_t pointer_index); 503c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 504c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the minor axis of an ellipse that describes the touch area 505c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index. */ 506c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getTouchMinor(const AInputEvent* motion_event, size_t pointer_index); 507c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 508c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the major axis of an ellipse that describes the size 509c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index. 510c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 511c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 512c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getToolMajor(const AInputEvent* motion_event, size_t pointer_index); 513c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 514c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current length of the minor axis of an ellipse that describes the size 515c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index. 516c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 517c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 518c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getToolMinor(const AInputEvent* motion_event, size_t pointer_index); 519c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 520c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the current orientation of the touch area and tool area in radians clockwise from 521c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * vertical for the given pointer index. 522c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * An angle of 0 degrees indicates that the major axis of contact is oriented 523c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * upwards, is perfectly circular or is of unknown orientation. A positive angle 524c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the right. A negative angle 525c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the left. 5266d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians 527c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * (finger pointing fully right). */ 528c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getOrientation(const AInputEvent* motion_event, size_t pointer_index); 529c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 53046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the number of historical points in this event. These are movements that 53146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * have occurred between this event and the previous event. This only applies 532c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * to AMOTION_EVENT_ACTION_MOVE events -- all other actions will have a size of 0. 53346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Historical samples are indexed from oldest to newest. */ 534c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownsize_t AMotionEvent_getHistorySize(const AInputEvent* motion_event); 53546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 53646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the time that a historical movement occurred between this event and 53746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the previous event, in the java.lang.System.nanoTime() time base. */ 5382e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint64_t AMotionEvent_getHistoricalEventTime(AInputEvent* motion_event, 53946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 54046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 5415c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the historical raw X coordinate of this event for the given pointer index that 5425c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * occurred between this event and the previous motion event. 5435c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 5445c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * on the screen, before it had been adjusted for the containing window 5455c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. 5465c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 5475c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * that are sub-pixel precise. */ 5482e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalRawX(const AInputEvent* motion_event, size_t pointer_index); 5495c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 5505c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown/* Get the historical raw Y coordinate of this event for the given pointer index that 5515c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * occurred between this event and the previous motion event. 5525c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * For touch events on the screen, this is the original location of the event 5535c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * on the screen, before it had been adjusted for the containing window 5545c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * and views. 5555c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 5565c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * that are sub-pixel precise. */ 5572e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalRawY(const AInputEvent* motion_event, size_t pointer_index); 5585c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 55946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical X coordinate of this event for the given pointer index that 56046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 56146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 56246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 5632e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalX(AInputEvent* motion_event, size_t pointer_index, 56446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 56546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 56646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical Y coordinate of this event for the given pointer index that 56746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 56846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Whole numbers are pixels; the value may have a fraction for input devices 56946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * that are sub-pixel precise. */ 5702e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalY(AInputEvent* motion_event, size_t pointer_index, 57146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 57246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 57346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the historical pressure of this event for the given pointer index that 57446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 57546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * The pressure generally ranges from 0 (no pressure at all) to 1 (normal pressure), 57646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * however values higher than 1 may be generated depending on the calibration of 57746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * the input device. */ 5782e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalPressure(AInputEvent* motion_event, size_t pointer_index, 57946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 58046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 58146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* Get the current scaled value of the approximate size for the given pointer index that 58246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * occurred between this event and the previous motion event. 58346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * This represents some approximation of the area of the screen being 58446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * pressed; the actual value in pixels corresponding to the 58546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * touch is normalized with the device specific range of values 58646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * and scaled to a value between 0 and 1. The value of size can be used to 58746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * determine fat touch events. */ 5882e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornfloat AMotionEvent_getHistoricalSize(AInputEvent* motion_event, size_t pointer_index, 58946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t history_index); 59046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 591c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the major axis of an ellipse that describes the touch area 592c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index that 593c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. */ 594c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalTouchMajor(const AInputEvent* motion_event, size_t pointer_index, 595c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 596c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 597c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the minor axis of an ellipse that describes the touch area 598c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * at the point of contact for the given pointer index that 599c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. */ 600c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalTouchMinor(const AInputEvent* motion_event, size_t pointer_index, 601c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 602c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 603c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the major axis of an ellipse that describes the size 604c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index that 605c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 606c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 607c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 608c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalToolMajor(const AInputEvent* motion_event, size_t pointer_index, 609c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 610c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 611c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical length of the minor axis of an ellipse that describes the size 612c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * of the approaching tool for the given pointer index that 613c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 614c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * The tool area represents the estimated size of the finger or pen that is 615c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * touching the device independent of its actual touch area at the point of contact. */ 616c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalToolMinor(const AInputEvent* motion_event, size_t pointer_index, 617c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 618c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 619c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown/* Get the historical orientation of the touch area and tool area in radians clockwise from 620c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * vertical for the given pointer index that 621c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * occurred between this event and the previous motion event. 622c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * An angle of 0 degrees indicates that the major axis of contact is oriented 623c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * upwards, is perfectly circular or is of unknown orientation. A positive angle 624c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the right. A negative angle 625c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * indicates that the major axis of contact is oriented to the left. 6266d0fec2de3601821f4f44eeb7d7deedebb2b7117Jeff Brown * The full range is from -PI/2 radians (finger pointing fully left) to PI/2 radians 627c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown * (finger pointing fully right). */ 628c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brownfloat AMotionEvent_getHistoricalOrientation(const AInputEvent* motion_event, size_t pointer_index, 629c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown size_t history_index); 630c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 631c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown 632a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 633a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Input queue 634a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * 635a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * An input queue is the facility through which you retrieve input 636a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * events. 637a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6382e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornstruct AInputQueue; 6392e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborntypedef struct AInputQueue AInputQueue; 640a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 641a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 64285448bbecd4e0909eecfab15b7c3605f114d0427Dianne Hackborn * Add this input queue to a looper for processing. See 64342c03e579aade011b451e2a13ea3f44a2ef0056aDianne Hackborn * ALooper_addFd() for information on the ident, callback, and data params. 644a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 645682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornvoid AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper, 6464fe6c3e51be77e35f40872cdbca6c80f8f8b7ecbJeff Brown int ident, ALooper_callbackFunc callback, void* data); 647682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn 648682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn/* 649682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn * Remove the input queue from the looper it is currently attached to. 650682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackborn */ 651682674154e3fe88f6061245145f934f25f1a2eb8Dianne Hackbornvoid AInputQueue_detachLooper(AInputQueue* queue); 652a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 653a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 654a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Returns true if there are one or more events available in the 655a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * input queue. Returns 1 if the queue has events; 0 if 656a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * it does not have events; and a negative value if there is an error. 657a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6582c6081ce3593712f30dacd990a97209c791d6cedDianne Hackbornint32_t AInputQueue_hasEvents(AInputQueue* queue); 659a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 660a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 661a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Returns the next available event from the queue. Returns a negative 662a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * value if no events are available or an error has occurred. 663a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6642e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornint32_t AInputQueue_getEvent(AInputQueue* queue, AInputEvent** outEvent); 665a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 666a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn/* 6672c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * Sends the key for standard pre-dispatching -- that is, possibly deliver 6682c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * it to the current IME to be consumed before the app. Returns 0 if it 6692c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * was not pre-dispatched, meaning you can process it right now. If non-zero 6702c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * is returned, you must abandon the current event processing and allow the 6712c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * event to appear again in the event queue (if it does not get consumed during 6722c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn * pre-dispatching). 6732c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn */ 6742c6081ce3593712f30dacd990a97209c791d6cedDianne Hackbornint32_t AInputQueue_preDispatchEvent(AInputQueue* queue, AInputEvent* event); 6752c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn 6762c6081ce3593712f30dacd990a97209c791d6cedDianne Hackborn/* 677a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn * Report that dispatching has finished with the given event. 6782e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackborn * This must be called after receiving an event with AInputQueue_get_event(). 679a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn */ 6802e9f93e8db509d5236229dc8540e0904c5dbb9f5Dianne Hackbornvoid AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled); 681a95e4cb62f3642cb190d032dbf7dc40d9ecc6973Dianne Hackborn 68246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#ifdef __cplusplus 68346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 68446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 68546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 68646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif // _ANDROID_INPUT_H 687