channels/rdpei.h

 
#ifndef FREERDP_CHANNEL_RDPEI_H
#define FREERDP_CHANNEL_RDPEI_H
 
#include <winpr/wtypes.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#define RDPINPUT_HEADER_LENGTH 6
 
#define RDPINPUT_MAX_PDU_LENGTH (UINT16_MAX * 40ull)
 
#define RDPEI_CHANNEL_NAME "rdpei"
#define RDPEI_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Input"
 
enum
{
  RDPINPUT_PROTOCOL_V10 = 0x00010000,
  RDPINPUT_PROTOCOL_V101 = 0x00010001,
  RDPINPUT_PROTOCOL_V200 = 0x00020000,
  RDPINPUT_PROTOCOL_V300 = 0x00030000
};
 
/* Server feature flags */
#define SC_READY_MULTIPEN_INJECTION_SUPPORTED 0x0001
 
/* Client Ready Flags */
#define CS_READY_FLAGS_SHOW_TOUCH_VISUALS 0x00000001
#define CS_READY_FLAGS_DISABLE_TIMESTAMP_INJECTION 0x00000002
#define CS_READY_FLAGS_ENABLE_MULTIPEN_INJECTION 0x00000004
 
/* 2.2.3.3.1.1 RDPINPUT_TOUCH_CONTACT */
#define CONTACT_DATA_CONTACTRECT_PRESENT 0x0001
#define CONTACT_DATA_ORIENTATION_PRESENT 0x0002
#define CONTACT_DATA_PRESSURE_PRESENT 0x0004
 
typedef enum
{
  RDPINPUT_PEN_CONTACT_PENFLAGS_PRESENT = 0x0001,
  RDPINPUT_PEN_CONTACT_PRESSURE_PRESENT = 0x0002,
  RDPINPUT_PEN_CONTACT_ROTATION_PRESENT = 0x0004,
  RDPINPUT_PEN_CONTACT_TILTX_PRESENT = 0x0008,
  RDPINPUT_PEN_CONTACT_TILTY_PRESENT = 0x0010
} RDPINPUT_PEN_FIELDS_PRESENT;
 
/*
 * Valid combinations of RDPINPUT_CONTACT_FLAGS:
 *
 * See [MS-RDPEI] 2.2.3.3.1.1 RDPINPUT_TOUCH_CONTACT and 3.1.1.1 Touch Contact State Transitions
 *
 * UP
 * UP | CANCELED
 * UPDATE
 * UPDATE | CANCELED
 * DOWN | INRANGE | INCONTACT
 * UPDATE | INRANGE | INCONTACT
 * UP | INRANGE
 * UPDATE | INRANGE
 */
typedef enum
{
  RDPINPUT_CONTACT_FLAG_DOWN = 0x0001,
  RDPINPUT_CONTACT_FLAG_UPDATE = 0x0002,
  RDPINPUT_CONTACT_FLAG_UP = 0x0004,
  RDPINPUT_CONTACT_FLAG_INRANGE = 0x0008,
  RDPINPUT_CONTACT_FLAG_INCONTACT = 0x0010,
  RDPINPUT_CONTACT_FLAG_CANCELED = 0x0020
} RDPINPUT_CONTACT_FLAGS;
 
typedef enum
{
  RDPINPUT_PEN_FLAG_BARREL_PRESSED = 0x0001,
  RDPINPUT_PEN_FLAG_ERASER_PRESSED = 0x0002,
  RDPINPUT_PEN_FLAG_INVERTED = 0x0004
} RDPINPUT_PEN_FLAGS;
 
typedef struct
{
  UINT32 contactId;
  UINT16 fieldsPresent; /* Mask of CONTACT_DATA_*_PRESENT values */
  INT32 x;
  INT32 y;
  UINT32 contactFlags;     /* See RDPINPUT_CONTACT_FLAG*  */
  INT16 contactRectLeft;   /* Present if CONTACT_DATA_CONTACTRECT_PRESENT */
  INT16 contactRectTop;    /* Present if CONTACT_DATA_CONTACTRECT_PRESENT */
  INT16 contactRectRight;  /* Present if CONTACT_DATA_CONTACTRECT_PRESENT */
  INT16 contactRectBottom; /* Present if CONTACT_DATA_CONTACTRECT_PRESENT */
  UINT32 orientation; /* Present if CONTACT_DATA_ORIENTATION_PRESENT, values in degree, [0-359] */
  UINT32 pressure;    /* Present if CONTACT_DATA_PRESSURE_PRESENT, normalized value [0-1024] */
} RDPINPUT_CONTACT_DATA;
 
typedef struct
{
  UINT16 contactCount;
  UINT64 frameOffset;
  RDPINPUT_CONTACT_DATA* contacts;
} RDPINPUT_TOUCH_FRAME;
 
typedef struct
{
  UINT32 encodeTime;
  UINT16 frameCount;
  RDPINPUT_TOUCH_FRAME* frames;
} RDPINPUT_TOUCH_EVENT;
 
typedef struct
{
  UINT8 deviceId;
  UINT16 fieldsPresent; /* Mask of RDPINPUT_PEN_FIELDS_PRESENT values */
  INT32 x;
  INT32 y;
  UINT32 contactFlags; /* See RDPINPUT_CONTACT_FLAG*  */
  UINT32 penFlags;     /* Present if RDPINPUT_PEN_CONTACT_PENFLAGS_PRESENT, values see
                          RDPINPUT_PEN_FLAGS */
  UINT16 rotation;     /* Present if RDPINPUT_PEN_CONTACT_ROTATION_PRESENT, In degree, [0-359] */
  UINT32
  pressure;    /* Present if RDPINPUT_PEN_CONTACT_PRESSURE_PRESENT, normalized value [0-1024] */
  INT16 tiltX; /* Present if PEN_CONTACT_TILTX_PRESENT, range [-90, 90] */
  INT16 tiltY; /* Present if PEN_CONTACT_TILTY_PRESENT, range [-90, 90] */
} RDPINPUT_PEN_CONTACT;
 
typedef struct
{
  UINT16 contactCount;
  UINT64 frameOffset;
  RDPINPUT_PEN_CONTACT* contacts;
} RDPINPUT_PEN_FRAME;
 
typedef struct
{
  UINT32 encodeTime;
  UINT16 frameCount;
  RDPINPUT_PEN_FRAME* frames;
} RDPINPUT_PEN_EVENT;
 
#ifdef __cplusplus
}
#endif
 
#endif /* FREERDP_CHANNEL_RDPEI_H */