barrier/synergy/ProtocolTypes.h

164 lines
5.4 KiB
C

#ifndef PROTOCOLTYPES_H
#define PROTOCOLTYPES_H
#include "BasicTypes.h"
// version number
static const SInt16 kProtocolMajorVersion = 0;
static const SInt16 kProtocolMinorVersion = 1;
// contact port number
static const UInt16 kDefaultPort = 24800;
// time between heartbeats (in seconds)
static const double kHeartRate = 2.0;
// time without a heartbeat that we call death
static const double kHeartDeath = 3.0 * kHeartRate;
//
// message codes (trailing NUL is not part of code). in comments, $n
// refers to the n'th argument (counting from one). message codes are
// always 4 bytes optionally followed by message specific parameters.
//
//
// positions and sizes are signed 16 bit integers.
//
//
// command codes
//
// no operation; secondary -> primary
static const char kMsgCNoop[] = "CNOP";
// close connection; primary -> secondary
static const char kMsgCClose[] = "CBYE";
// enter screen: primary -> secondary
// entering screen at screen position $1 = x, $2 = y. x,y are
// absolute screen coordinates. $3 = sequence number, which is
// used to order messages between screens. the secondary screen
// must return this number with some messages. $4 = modifier key
// mask. this will have bits set for each toggle modifier key
// that is activated on entry to the screen. the secondary screen
// should adjust its toggle modifiers to reflect that state.
static const char kMsgCEnter[] = "CINN%2i%2i%4i%2i";
// leave screen: primary -> secondary
// leaving screen. the secondary screen should send clipboard
// data in response to this message for those clipboards that
// it has grabbed (i.e. has sent a kMsgCClipboard for and has
// not received a kMsgCClipboard for with a greater sequence
// number) and that were grabbed or have changed since the
// last leave.
static const char kMsgCLeave[] = "COUT";
// grab clipboard: primary <-> secondary
// sent by screen when some other app on that screen grabs a
// clipboard. $1 = the clipboard identifier, $2 = sequence number.
// secondary screens must use the sequence number passed in the
// most recent kMsgCEnter. the primary always sends 0.
static const char kMsgCClipboard[] = "CCLP%1i%4i";
// screensaver change: primary -> secondary
// screensaver on primary has started ($1 == 1) or closed ($1 == 0)
static const char kMsgCScreenSaver[] = "CSEC%1i";
// resolution change acknowledgment: primary -> secondary
// sent by primary in response to a secondary screen's kMsgDInfo.
// this is sent for every kMsgDInfo, whether or not the primary
// had sent a kMsgQInfo.
static const char kMsgCInfoAck[] = "CIAK";
//
// data codes
//
// key pressed: primary -> secondary
// $1 = KeyID, $2 = KeyModifierMask
static const char kMsgDKeyDown[] = "DKDN%2i%2i";
// key auto-repeat: primary -> secondary
// $1 = KeyID, $2 = KeyModifierMask, $3 = number of repeats
static const char kMsgDKeyRepeat[] = "DKRP%2i%2i%2i";
// key released: primary -> secondary
// $1 = KeyID, $2 = KeyModifierMask
static const char kMsgDKeyUp[] = "DKUP%2i%2i";
// mouse button pressed: primary -> secondary
// $1 = ButtonID
static const char kMsgDMouseDown[] = "DMDN%1i";
// mouse button released: primary -> secondary
// $1 = ButtonID
static const char kMsgDMouseUp[] = "DMUP%1i";
// mouse moved: primary -> secondary
// $1 = x, $2 = y. x,y are absolute screen coordinates.
static const char kMsgDMouseMove[] = "DMMV%2i%2i";
// mouse button pressed: primary -> secondary
// $1 = delta. the delta should be +120 for one tick forward (away
// from the user) and -120 for one tick backward (toward the user).
static const char kMsgDMouseWheel[] = "DMWM%2i";
// clipboard data: primary <-> secondary
// $2 = sequence number, $3 = clipboard data. the sequence number
// is 0 when sent by the primary. secondary screens should use the
// sequence number from the most recent kMsgCEnter. $1 = clipboard
// identifier.
static const char kMsgDClipboard[] = "DCLP%1i%4i%s";
// client data: secondary -> primary
// $1 = coordinate of leftmost pixel on secondary screen,
// $2 = coordinate of topmost pixel on secondary screen,
// $3 = width of secondary screen in pixels,
// $4 = height of secondary screen in pixels,
// $5 = size of warp zone,
// $6, $7 = the x,y position of the mouse on the secondary screen.
//
// the secondary screen must send this message in response to the
// kMsgQInfo message. it must also send this message when the
// screen's resolution changes. in this case, the secondary screen
// should ignore any kMsgDMouseMove messages until it receives a
// kMsgCInfoAck in order to prevent attempts to move the mouse off
// the new screen area.
static const char kMsgDInfo[] = "DINF%2i%2i%2i%2i%2i%2i%2i";
//
// query codes
//
// query screen info: primary -> secondary
// client should reply with a kMsgDInfo.
static const char kMsgQInfo[] = "QINF";
//
// error codes
//
// incompatible versions: primary -> secondary
// $1 = major version of primary, $2 = minor version of primary.
static const char kMsgEIncompatible[] = "EICV%2i%2i";
// name provided when connecting is already in use: primary -> secondary
static const char kMsgEBusy[] = "EBSY";
// unknown client: primary -> secondary
// name provided when connecting is not in primary's screen
// configuration map.
static const char kMsgEUnknown[] = "EUNK";
// protocol violation: primary -> secondary
// primary should disconnect after sending this message.
static const char kMsgEBad[] = "EBAD";
#endif