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