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/** @file
* VBox Remote Desktop Extension (VRDE) - Input interface.
*/
/*
* Copyright (C) 2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_RemoteDesktop_VRDEInput_h
#define ___VBox_RemoteDesktop_VRDEInput_h
/*
* Interface for receiving input events from the client.
*/
/* All structures in this file are packed.
* Everything is little-endian.
*/
#pragma pack(1)
/*
* The application interface between VirtualBox and the VRDE server.
*/
#define VRDE_INPUT_INTERFACE_NAME "VRDE::INPUT"
/*
* Supported input methods.
*/
#define VRDE_INPUT_METHOD_TOUCH 1
/*
* fu32Flags for VRDEInputSetup
*/
#define VRDE_INPUT_F_ENABLE 1
/* The interface entry points. Interface version 1. */
typedef struct VRDEINPUTINTERFACE
{
/* The header. */
VRDEINTERFACEHDR header;
/* Tell the server that an input method will be used or disabled, etc.
* VRDECallbackInputSetup will be called with a result.
*
* @param hServer The VRDE server instance.
* @param u32Method The method VRDE_INPUT_METHOD_*.
* @param fu32Flags What to do with the method VRDE_INPUT_F_*.
* @param pvSetup Method specific parameters (optional).
* @param cbSetup Size of method specific parameters (optional).
*/
DECLR3CALLBACKMEMBER(void, VRDEInputSetup, (HVRDESERVER hServer,
uint32_t u32Method,
uint32_t fu32Flags,
const void *pvSetup,
uint32_t cbSetup));
} VRDEINPUTINTERFACE;
/* Interface callbacks. */
typedef struct VRDEINPUTCALLBACKS
{
/* The header. */
VRDEINTERFACEHDR header;
/* VRDPInputSetup async result.
*
* @param pvCallback The callbacks context specified in VRDEGetInterface.
* @param rcSetup The result code of the request.
* @param u32Method The method VRDE_INPUT_METHOD_*.
* @param pvResult The result information.
* @param cbResult The size of buffer pointed by pvResult.
*/
DECLR3CALLBACKMEMBER(void, VRDECallbackInputSetup,(void *pvCallback,
int rcRequest,
uint32_t u32Method,
const void *pvResult,
uint32_t cbResult));
/* Input event.
*
* @param pvCallback The callbacks context specified in VRDEGetInterface.
* @param u32Method The method VRDE_INPUT_METHOD_*.
* @param pvEvent The event data.
* @param cbEvent The size of buffer pointed by pvEvent.
*/
DECLR3CALLBACKMEMBER(void, VRDECallbackInputEvent,(void *pvCallback,
uint32_t u32Method,
const void *pvEvent,
uint32_t cbEvent));
} VRDEINPUTCALLBACKS;
/*
* Touch input definitions VRDE_INPUT_METHOD_TOUCH.
*/
/* pvResult is not used */
/* RDPINPUT_HEADER */
typedef struct VRDEINPUTHEADER
{
uint16_t u16EventId;
uint32_t u32PDULength;
} VRDEINPUTHEADER;
/* VRDEINPUTHEADER::u16EventId */
#define VRDEINPUT_EVENTID_SC_READY 0x0001
#define VRDEINPUT_EVENTID_CS_READY 0x0002
#define VRDEINPUT_EVENTID_TOUCH 0x0003
#define VRDEINPUT_EVENTID_SUSPEND_TOUCH 0x0004
#define VRDEINPUT_EVENTID_RESUME_TOUCH 0x0005
#define VRDEINPUT_EVENTID_DISMISS_HOVERING_CONTACT 0x0006
/* RDPINPUT_SC_READY_PDU */
typedef struct VRDEINPUT_SC_READY_PDU
{
VRDEINPUTHEADER header;
uint32_t u32ProtocolVersion;
} VRDEINPUT_SC_READY_PDU;
#define VRDEINPUT_PROTOCOL_V1 0x00010000
#define VRDEINPUT_PROTOCOL_V101 0x00010001
/* RDPINPUT_CS_READY_PDU */
typedef struct VRDEINPUT_CS_READY_PDU
{
VRDEINPUTHEADER header;
uint32_t u32Flags;
uint32_t u32ProtocolVersion;
uint16_t u16MaxTouchContacts;
} VRDEINPUT_CS_READY_PDU;
#define VRDEINPUT_READY_FLAGS_SHOW_TOUCH_VISUALS 0x00000001
#define VRDEINPUT_READY_FLAGS_DISABLE_TIMESTAMP_INJECTION 0x00000002
/* RDPINPUT_CONTACT_DATA */
typedef struct VRDEINPUT_CONTACT_DATA
{
uint8_t u8ContactId;
uint16_t u16FieldsPresent;
int32_t i32X;
int32_t i32Y;
uint32_t u32ContactFlags;
int16_t i16ContactRectLeft;
int16_t i16ContactRectTop;
int16_t i16ContactRectRight;
int16_t i16ContactRectBottom;
uint32_t u32Orientation;
uint32_t u32Pressure;
} VRDEINPUT_CONTACT_DATA;
#define VRDEINPUT_CONTACT_DATA_CONTACTRECT_PRESENT 0x0001
#define VRDEINPUT_CONTACT_DATA_ORIENTATION_PRESENT 0x0002
#define VRDEINPUT_CONTACT_DATA_PRESSURE_PRESENT 0x0004
#define VRDEINPUT_CONTACT_FLAG_DOWN 0x0001
#define VRDEINPUT_CONTACT_FLAG_UPDATE 0x0002
#define VRDEINPUT_CONTACT_FLAG_UP 0x0004
#define VRDEINPUT_CONTACT_FLAG_INRANGE 0x0008
#define VRDEINPUT_CONTACT_FLAG_INCONTACT 0x0010
#define VRDEINPUT_CONTACT_FLAG_CANCELED 0x0020
/* RDPINPUT_TOUCH_FRAME */
typedef struct VRDEINPUT_TOUCH_FRAME
{
uint16_t u16ContactCount;
uint64_t u64FrameOffset;
VRDEINPUT_CONTACT_DATA aContacts[1];
} VRDEINPUT_TOUCH_FRAME;
/* RDPINPUT_TOUCH_EVENT_PDU */
typedef struct VRDEINPUT_TOUCH_EVENT_PDU
{
VRDEINPUTHEADER header;
uint32_t u32EncodeTime;
uint16_t u16FrameCount;
VRDEINPUT_TOUCH_FRAME aFrames[1];
} VRDEINPUT_TOUCH_EVENT_PDU;
/* RDPINPUT_SUSPEND_TOUCH_PDU */
typedef struct VRDEINPUT_SUSPEND_TOUCH_PDU
{
VRDEINPUTHEADER header;
} VRDEINPUT_SUSPEND_TOUCH_PDU;
/* RDPINPUT_RESUME_TOUCH_PDU */
typedef struct VRDEINPUT_RESUME_TOUCH_PDU
{
VRDEINPUTHEADER header;
} VRDEINPUT_RESUME_TOUCH_PDU;
/* RDPINPUT_DISMISS_HOVERING_CONTACT_PDU */
typedef struct VRDEINPUT_DISMISS_HOVERING_CONTACT_PDU
{
VRDEINPUTHEADER header;
uint8_t u8ContactId;
} VRDEINPUT_DISMISS_HOVERING_CONTACT_PDU;
#pragma pack()
#endif
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