Reorganized source tree. Moved client.cpp into cmd/synergy as

synergy.cpp and server.cpp into cmd/synergyd as synergyd.cpp.
Moved and renamed related files.  Moved remaining source files
into lib/....  Modified and added makefiles as appropriate.
Result is that library files are under lib with each library
in its own directory and program files are under cmd with each
command in its own directory.
This commit is contained in:
crs
2002-07-30 16:52:46 +00:00
parent 9792d35a6b
commit fee4095624
201 changed files with 367 additions and 375 deletions

629
lib/client/CClient.cpp Normal file
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#include "CClient.h"
#include "CServerProxy.h"
#include "CClipboard.h"
#include "CInputPacketStream.h"
#include "COutputPacketStream.h"
#include "CProtocolUtil.h"
#include "CSecondaryScreen.h"
#include "IServer.h"
#include "ProtocolTypes.h"
#include "XScreen.h"
#include "XSynergy.h"
#include "XSocket.h"
#include "CLock.h"
#include "CThread.h"
#include "CTimerThread.h"
#include "XThread.h"
#include "CLog.h"
#include "CStopwatch.h"
#include "TMethodJob.h"
//
// CClient
//
CClient::CClient(const CString& clientName) :
m_name(clientName),
m_screen(NULL),
m_server(NULL),
m_camp(false),
m_session(NULL),
m_active(false),
m_rejected(true)
{
// do nothing
}
CClient::~CClient()
{
// do nothing
}
void
CClient::camp(bool on)
{
CLock lock(&m_mutex);
m_camp = on;
}
void
CClient::setAddress(const CNetworkAddress& serverAddress)
{
CLock lock(&m_mutex);
m_serverAddress = serverAddress;
}
void
CClient::exitMainLoop()
{
m_screen->exitMainLoop();
}
bool
CClient::wasRejected() const
{
return m_rejected;
}
void
CClient::onError()
{
// close down session but don't wait too long
deleteSession(3.0);
}
void
CClient::onInfoChanged(const CClientInfo& info)
{
log((CLOG_DEBUG "resolution changed"));
CLock lock(&m_mutex);
if (m_server != NULL) {
m_server->onInfoChanged(info);
}
}
bool
CClient::onGrabClipboard(ClipboardID id)
{
CLock lock(&m_mutex);
if (m_server == NULL) {
// m_server can be NULL if the screen calls this method
// before we've gotten around to connecting to the server.
// we simply ignore the clipboard change in that case.
return false;
}
// grab ownership
m_server->onGrabClipboard(id);
// we now own the clipboard and it has not been sent to the server
m_ownClipboard[id] = true;
m_timeClipboard[id] = 0;
// if we're not the active screen then send the clipboard now,
// otherwise we'll wait until we leave.
if (!m_active) {
sendClipboard(id);
}
return true;
}
void
CClient::onClipboardChanged(ClipboardID, const CString&)
{
// ignore -- we'll check the clipboard when we leave
}
bool
CClient::open()
{
// open the screen
try {
log((CLOG_INFO "opening screen"));
openSecondaryScreen();
return true;
}
catch (XScreenOpenFailure&) {
// can't open screen yet. wait a few seconds to retry.
log((CLOG_INFO "failed to open screen"));
return false;
}
}
void
CClient::mainLoop()
{
{
CLock lock(&m_mutex);
// check preconditions
assert(m_screen != NULL);
assert(m_server == NULL);
// connection starts as unsuccessful
m_rejected = true;
}
try {
log((CLOG_NOTE "starting client \"%s\"", m_name.c_str()));
// start server interactions
{
CLock lock(&m_mutex);
m_session = new CThread(new TMethodJob<CClient>(
this, &CClient::runSession));
}
// handle events
m_screen->mainLoop();
// clean up
deleteSession();
log((CLOG_NOTE "stopping client \"%s\"", m_name.c_str()));
}
catch (XBase& e) {
log((CLOG_ERR "client error: %s", e.what()));
// clean up
deleteSession();
log((CLOG_NOTE "stopping client \"%s\"", m_name.c_str()));
CLock lock(&m_mutex);
m_rejected = false;
}
catch (XThread&) {
// clean up
deleteSession();
log((CLOG_NOTE "stopping client \"%s\"", m_name.c_str()));
throw;
}
catch (...) {
log((CLOG_DEBUG "unknown client error"));
// clean up
deleteSession();
log((CLOG_NOTE "stopping client \"%s\"", m_name.c_str()));
throw;
}
}
void
CClient::close()
{
closeSecondaryScreen();
log((CLOG_INFO "closed screen"));
}
void
CClient::enter(SInt32 xAbs, SInt32 yAbs, UInt32, KeyModifierMask mask, bool)
{
{
CLock lock(&m_mutex);
m_active = true;
}
m_screen->enter(xAbs, yAbs, mask);
}
bool
CClient::leave()
{
m_screen->leave();
CLock lock(&m_mutex);
m_active = false;
// send clipboards that we own and that have changed
for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
if (m_ownClipboard[id]) {
sendClipboard(id);
}
}
return true;
}
void
CClient::setClipboard(ClipboardID id, const CString& data)
{
// unmarshall
CClipboard clipboard;
clipboard.unmarshall(data, 0);
// set screen's clipboard
m_screen->setClipboard(id, &clipboard);
}
void
CClient::grabClipboard(ClipboardID id)
{
// we no longer own the clipboard
{
CLock lock(&m_mutex);
m_ownClipboard[id] = false;
}
m_screen->grabClipboard(id);
}
void
CClient::setClipboardDirty(ClipboardID, bool)
{
assert(0 && "shouldn't be called");
}
void
CClient::keyDown(KeyID id, KeyModifierMask mask)
{
m_screen->keyDown(id, mask);
}
void
CClient::keyRepeat(KeyID id, KeyModifierMask mask, SInt32 count)
{
m_screen->keyRepeat(id, mask, count);
}
void
CClient::keyUp(KeyID id, KeyModifierMask mask)
{
m_screen->keyUp(id, mask);
}
void
CClient::mouseDown(ButtonID id)
{
m_screen->mouseDown(id);
}
void
CClient::mouseUp(ButtonID id)
{
m_screen->mouseUp(id);
}
void
CClient::mouseMove(SInt32 x, SInt32 y)
{
m_screen->mouseMove(x, y);
}
void
CClient::mouseWheel(SInt32 delta)
{
m_screen->mouseWheel(delta);
}
void
CClient::screensaver(bool activate)
{
m_screen->screensaver(activate);
}
CString
CClient::getName() const
{
return m_name;
}
SInt32
CClient::getJumpZoneSize() const
{
return m_screen->getJumpZoneSize();
}
void
CClient::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
{
m_screen->getShape(x, y, w, h);
}
void
CClient::getCursorPos(SInt32& x, SInt32& y) const
{
m_screen->getCursorPos(x, y);
}
void
CClient::getCursorCenter(SInt32&, SInt32&) const
{
assert(0 && "shouldn't be called");
}
// FIXME -- use factory to create screen
#if WINDOWS_LIKE
#include "CMSWindowsSecondaryScreen.h"
#elif UNIX_LIKE
#include "CXWindowsSecondaryScreen.h"
#endif
void
CClient::openSecondaryScreen()
{
assert(m_screen == NULL);
// not active
m_active = false;
// reset clipboard state
for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
m_ownClipboard[id] = false;
m_timeClipboard[id] = 0;
}
// open screen
log((CLOG_DEBUG1 "creating secondary screen"));
#if WINDOWS_LIKE
m_screen = new CMSWindowsSecondaryScreen(this);
#elif UNIX_LIKE
m_screen = new CXWindowsSecondaryScreen(this);
#endif
log((CLOG_DEBUG1 "opening secondary screen"));
try {
m_screen->open();
}
catch (...) {
log((CLOG_DEBUG1 "destroying secondary screen"));
delete m_screen;
m_screen = NULL;
throw;
}
}
void
CClient::closeSecondaryScreen()
{
assert(m_screen != NULL);
// close the secondary screen
try {
log((CLOG_DEBUG1 "closing secondary screen"));
m_screen->close();
}
catch (...) {
// ignore
}
// clean up
log((CLOG_DEBUG1 "destroying secondary screen"));
delete m_screen;
m_screen = NULL;
}
void
CClient::sendClipboard(ClipboardID id)
{
// note -- m_mutex must be locked on entry
assert(m_screen != NULL);
assert(m_server != NULL);
// get clipboard data. set the clipboard time to the last
// clipboard time before getting the data from the screen
// as the screen may detect an unchanged clipboard and
// avoid copying the data.
CClipboard clipboard;
if (clipboard.open(m_timeClipboard[id])) {
clipboard.close();
}
m_screen->getClipboard(id, &clipboard);
// check time
if (m_timeClipboard[id] == 0 ||
clipboard.getTime() != m_timeClipboard[id]) {
// save new time
m_timeClipboard[id] = clipboard.getTime();
// marshall the data
CString data = clipboard.marshall();
// save and send data if different
if (data != m_dataClipboard[id]) {
m_dataClipboard[id] = data;
m_server->onClipboardChanged(id, data);
}
}
}
void
CClient::runSession(void*)
{
try {
log((CLOG_DEBUG "starting server proxy"));
runServer();
m_screen->exitMainLoop();
log((CLOG_DEBUG "stopping server proxy"));
}
catch (...) {
m_screen->exitMainLoop();
log((CLOG_DEBUG "stopping server proxy"));
throw;
}
}
void
CClient::deleteSession(double timeout)
{
// get session thread object
CThread* thread;
{
CLock lock(&m_mutex);
thread = m_session;
m_session = NULL;
}
// shut it down
if (thread != NULL) {
thread->cancel();
thread->wait(timeout);
delete thread;
}
}
#include "CTCPSocket.h" // FIXME
void
CClient::runServer()
{
IDataSocket* socket = NULL;
CServerProxy* proxy = NULL;
try {
for (;;) {
try {
// allow connect this much time to succeed
// FIXME -- timeout in member
CTimerThread timer(m_camp ? -1.0 : 30.0);
// create socket and attempt to connect to server
log((CLOG_DEBUG1 "connecting to server"));
socket = new CTCPSocket; // FIXME -- use factory
socket->connect(m_serverAddress);
log((CLOG_INFO "connected to server"));
break;
}
catch (XSocketConnect& e) {
log((CLOG_DEBUG1 "failed to connect to server: %s", e.getErrstr()));
// failed to connect. if not camping then rethrow.
if (!m_camp) {
throw;
}
// we're camping. wait a bit before retrying
CThread::sleep(5.0);
}
}
// create proxy
log((CLOG_DEBUG1 "negotiating with server"));
proxy = handshakeServer(socket);
CLock lock(&m_mutex);
m_server = proxy;
}
catch (XThread&) {
log((CLOG_ERR "connection timed out"));
delete socket;
throw;
}
catch (XBase& e) {
log((CLOG_ERR "connection failed: %s", e.what()));
log((CLOG_DEBUG "disconnecting from server"));
delete socket;
return;
}
catch (...) {
log((CLOG_ERR "connection failed: <unknown error>"));
log((CLOG_DEBUG "disconnecting from server"));
delete socket;
return;
}
try {
// process messages
bool rejected = true;
if (proxy != NULL) {
log((CLOG_DEBUG1 "communicating with server"));
rejected = !proxy->mainLoop();
}
// clean up
CLock lock(&m_mutex);
m_rejected = rejected;
m_server = NULL;
delete proxy;
log((CLOG_DEBUG "disconnecting from server"));
socket->close();
delete socket;
}
catch (...) {
CLock lock(&m_mutex);
m_rejected = false;
m_server = NULL;
delete proxy;
log((CLOG_DEBUG "disconnecting from server"));
socket->close();
delete socket;
throw;
}
}
CServerProxy*
CClient::handshakeServer(IDataSocket* socket)
{
// get the input and output streams
IInputStream* input = socket->getInputStream();
IOutputStream* output = socket->getOutputStream();
bool own = false;
// attach the encryption layer
/* FIXME -- implement ISecurityFactory
if (m_securityFactory != NULL) {
input = m_securityFactory->createInputFilter(input, own);
output = m_securityFactory->createOutputFilter(output, own);
own = true;
}
*/
// attach the packetizing filters
input = new CInputPacketStream(input, own);
output = new COutputPacketStream(output, own);
own = true;
CServerProxy* proxy = NULL;
try {
// give handshake some time
CTimerThread timer(30.0);
// wait for hello from server
log((CLOG_DEBUG1 "wait for hello"));
SInt16 major, minor;
CProtocolUtil::readf(input, "Synergy%2i%2i", &major, &minor);
// check versions
log((CLOG_DEBUG1 "got hello version %d.%d", major, minor));
if (major < kProtocolMajorVersion ||
(major == kProtocolMajorVersion && minor < kProtocolMinorVersion)) {
throw XIncompatibleClient(major, minor);
}
// say hello back
log((CLOG_DEBUG1 "say hello version %d.%d", kProtocolMajorVersion, kProtocolMinorVersion));
CProtocolUtil::writef(output, "Synergy%2i%2i%s",
kProtocolMajorVersion,
kProtocolMinorVersion, &m_name);
// create server proxy
proxy = new CServerProxy(this, input, output);
// negotiate
// FIXME
return proxy;
}
catch (XIncompatibleClient& e) {
log((CLOG_ERR "server has incompatible version %d.%d", e.getMajor(), e.getMinor()));
}
catch (XBase& e) {
log((CLOG_WARN "error communicating with server: %s", e.what()));
}
catch (...) {
// probably timed out
if (proxy != NULL) {
delete proxy;
}
else if (own) {
delete input;
delete output;
}
throw;
}
// failed
if (proxy != NULL) {
delete proxy;
}
else if (own) {
delete input;
delete output;
}
return NULL;
}

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lib/client/CClient.h Normal file
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#ifndef CCLIENT_H
#define CCLIENT_H
#include "IScreenReceiver.h"
#include "IClient.h"
#include "IClipboard.h"
#include "CNetworkAddress.h"
#include "CMutex.h"
class CSecondaryScreen;
class CServerProxy;
class CThread;
class IDataSocket;
class IScreenReceiver;
//! Synergy client
/*!
This class implements the top-level client algorithms for synergy.
*/
class CClient : public IScreenReceiver, public IClient {
public:
/*!
This client will attempt to connect the server using \c clientName
as its name.
*/
CClient(const CString& clientName);
~CClient();
//! @name manipulators
//@{
//! Set camping state
/*!
Turns camping on or off. When camping the client will keep
trying to connect to the server until it succeeds. This
is useful if the client may start before the server. Do
not call this while in mainLoop().
*/
void camp(bool on);
//! Set server address
/*!
Sets the server's address that the client should connect to.
*/
void setAddress(const CNetworkAddress& serverAddress);
//! Exit event loop
/*!
Force mainLoop() to return. This call can return before
mainLoop() does (i.e. asynchronously). This may only be
called between a successful open() and close().
*/
void exitMainLoop();
//@}
//! @name accessors
//@{
//!
/*!
Returns true if the server rejected our connection.
*/
bool wasRejected() const;
//@}
// IScreenReceiver overrides
virtual void onError();
virtual void onInfoChanged(const CClientInfo&);
virtual bool onGrabClipboard(ClipboardID);
virtual void onClipboardChanged(ClipboardID, const CString&);
// IClient overrides
virtual bool open();
virtual void mainLoop();
virtual void close();
virtual void enter(SInt32 xAbs, SInt32 yAbs,
UInt32 seqNum, KeyModifierMask mask,
bool forScreensaver);
virtual bool leave();
virtual void setClipboard(ClipboardID, const CString&);
virtual void grabClipboard(ClipboardID);
virtual void setClipboardDirty(ClipboardID, bool dirty);
virtual void keyDown(KeyID, KeyModifierMask);
virtual void keyRepeat(KeyID, KeyModifierMask, SInt32 count);
virtual void keyUp(KeyID, KeyModifierMask);
virtual void mouseDown(ButtonID);
virtual void mouseUp(ButtonID);
virtual void mouseMove(SInt32 xAbs, SInt32 yAbs);
virtual void mouseWheel(SInt32 delta);
virtual void screensaver(bool activate);
virtual CString getName() const;
virtual SInt32 getJumpZoneSize() const;
virtual void getShape(SInt32& x, SInt32& y,
SInt32& width, SInt32& height) const;
virtual void getCursorPos(SInt32& x, SInt32& y) const;
virtual void getCursorCenter(SInt32& x, SInt32& y) const;
private:
// open/close the secondary screen
void openSecondaryScreen();
void closeSecondaryScreen();
// send the clipboard to the server
void sendClipboard(ClipboardID);
// handle server messaging
void runSession(void*);
void deleteSession(double timeout = -1.0);
void runServer();
CServerProxy* handshakeServer(IDataSocket*);
private:
CMutex m_mutex;
CString m_name;
CSecondaryScreen* m_screen;
IScreenReceiver* m_server;
CNetworkAddress m_serverAddress;
bool m_camp;
CThread* m_session;
bool m_active;
bool m_rejected;
bool m_ownClipboard[kClipboardEnd];
IClipboard::Time m_timeClipboard[kClipboardEnd];
CString m_dataClipboard[kClipboardEnd];
};
#endif

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#ifndef CMSWINDOWSSECONDARYSCREEN_H
#define CMSWINDOWSSECONDARYSCREEN_H
// ensure that we get SendInput()
#if _WIN32_WINNT <= 0x400
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x401
#endif
#include "CSecondaryScreen.h"
#include "IMSWindowsScreenEventHandler.h"
#include "CMutex.h"
#include "CString.h"
#include "stdvector.h"
class CMSWindowsScreen;
class IScreenReceiver;
//! Microsoft windows secondary screen implementation
class CMSWindowsSecondaryScreen :
public CSecondaryScreen, public IMSWindowsScreenEventHandler {
public:
CMSWindowsSecondaryScreen(IScreenReceiver*);
virtual ~CMSWindowsSecondaryScreen();
// CSecondaryScreen overrides
virtual void keyDown(KeyID, KeyModifierMask);
virtual void keyRepeat(KeyID, KeyModifierMask, SInt32 count);
virtual void keyUp(KeyID, KeyModifierMask);
virtual void mouseDown(ButtonID);
virtual void mouseUp(ButtonID);
virtual void mouseMove(SInt32 xAbsolute, SInt32 yAbsolute);
virtual void mouseWheel(SInt32 delta);
virtual IScreen* getScreen() const;
// IMSWindowsScreenEventHandler overrides
virtual void onScreensaver(bool activated);
virtual bool onPreDispatch(const CEvent* event);
virtual bool onEvent(CEvent* event);
virtual SInt32 getJumpZoneSize() const;
virtual void postCreateWindow(HWND);
virtual void preDestroyWindow(HWND);
protected:
// CSecondaryScreen overrides
virtual void onPreMainLoop();
virtual void onPreOpen();
virtual void onPreEnter();
virtual void onPreLeave();
virtual void createWindow();
virtual void destroyWindow();
virtual void showWindow();
virtual void hideWindow();
virtual void warpCursor(SInt32 x, SInt32 y);
virtual void updateKeys();
virtual void setToggleState(KeyModifierMask);
private:
enum EKeyAction { kPress, kRelease, kRepeat };
class Keystroke {
public:
UINT m_virtualKey;
bool m_press;
bool m_repeat;
};
typedef std::vector<Keystroke> Keystrokes;
// open/close desktop (for windows 95/98/me)
bool openDesktop();
void closeDesktop();
// make desk the thread desktop (for windows NT/2000/XP)
bool switchDesktop(HDESK desk);
// returns true iff there appear to be multiple monitors
bool isMultimon() const;
// key and button queries and operations
DWORD mapButton(ButtonID button, bool press) const;
KeyModifierMask mapKey(Keystrokes&, UINT& virtualKey, KeyID,
KeyModifierMask, EKeyAction) const;
void doKeystrokes(const Keystrokes&, SInt32 count);
void releaseKeys();
void toggleKey(UINT virtualKey, KeyModifierMask mask);
UINT virtualKeyToScanCode(UINT& virtualKey);
bool isExtendedKey(UINT virtualKey);
void sendKeyEvent(UINT virtualKey, bool press);
private:
CMutex m_mutex;
CMSWindowsScreen* m_screen;
// true if windows 95/98/me
bool m_is95Family;
// our window
HWND m_window;
// virtual key states
BYTE m_keys[256];
// current active modifiers
KeyModifierMask m_mask;
};
#endif

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#include "CSecondaryScreen.h"
#include "IScreen.h"
#include "CLock.h"
#include "CThread.h"
#include "CLog.h"
//
// CSecondaryScreen
//
CSecondaryScreen::CSecondaryScreen()
{
// do nothing
}
CSecondaryScreen::~CSecondaryScreen()
{
// do nothing
}
void
CSecondaryScreen::mainLoop()
{
// change our priority
CThread::getCurrentThread().setPriority(-7);
// run event loop
try {
log((CLOG_DEBUG "entering event loop"));
onPreMainLoop();
getScreen()->mainLoop();
onPostMainLoop();
log((CLOG_DEBUG "exiting event loop"));
}
catch (...) {
onPostMainLoop();
log((CLOG_DEBUG "exiting event loop"));
throw;
}
}
void
CSecondaryScreen::exitMainLoop()
{
getScreen()->exitMainLoop();
}
void
CSecondaryScreen::open()
{
try {
// subclass hook
onPreOpen();
// open the screen
getScreen()->open();
// create and prepare our window
createWindow();
// assume primary has all clipboards
for (ClipboardID id = 0; id < kClipboardEnd; ++id) {
grabClipboard(id);
}
// update keyboard state
updateKeys();
// disable the screen saver
getScreen()->openScreensaver(false);
// subclass hook
onPostOpen();
}
catch (...) {
close();
throw;
}
// hide the cursor
{
CLock lock(&m_mutex);
m_active = true;
}
leave();
}
void
CSecondaryScreen::close()
{
onPreClose();
getScreen()->closeScreensaver();
destroyWindow();
getScreen()->close();
onPostClose();
}
void
CSecondaryScreen::enter(SInt32 x, SInt32 y, KeyModifierMask mask)
{
CLock lock(&m_mutex);
assert(m_active == false);
log((CLOG_INFO "entering screen at %d,%d mask=%04x", x, y, mask));
getScreen()->syncDesktop();
// now active
m_active = true;
// subclass hook
onPreEnter();
// update our keyboard state to reflect the local state
updateKeys();
// toggle modifiers that don't match the desired state
setToggleState(mask);
// warp to requested location
warpCursor(x, y);
// show mouse
hideWindow();
// subclass hook
onPostEnter();
}
void
CSecondaryScreen::leave()
{
log((CLOG_INFO "leaving screen"));
CLock lock(&m_mutex);
assert(m_active == true);
getScreen()->syncDesktop();
// subclass hook
onPreLeave();
// hide mouse
showWindow();
// subclass hook
onPostLeave();
// not active anymore
m_active = false;
// make sure our idea of clipboard ownership is correct
getScreen()->checkClipboards();
}
void
CSecondaryScreen::setClipboard(ClipboardID id,
const IClipboard* clipboard)
{
getScreen()->setClipboard(id, clipboard);
}
void
CSecondaryScreen::grabClipboard(ClipboardID id)
{
getScreen()->setClipboard(id, NULL);
}
void
CSecondaryScreen::screensaver(bool activate)
{
getScreen()->screensaver(activate);
}
bool
CSecondaryScreen::isActive() const
{
CLock lock(&m_mutex);
return m_active;
}
void
CSecondaryScreen::getClipboard(ClipboardID id,
IClipboard* clipboard) const
{
getScreen()->getClipboard(id, clipboard);
}
void
CSecondaryScreen::getShape(SInt32& x, SInt32& y, SInt32& w, SInt32& h) const
{
getScreen()->syncDesktop();
getScreen()->getShape(x, y, w, h);
}
void
CSecondaryScreen::getCursorPos(SInt32& x, SInt32& y) const
{
getScreen()->syncDesktop();
getScreen()->getCursorPos(x, y);
}
void
CSecondaryScreen::onPreMainLoop()
{
// do nothing
}
void
CSecondaryScreen::onPostMainLoop()
{
// do nothing
}
void
CSecondaryScreen::onPreOpen()
{
// do nothing
}
void
CSecondaryScreen::onPostOpen()
{
// do nothing
}
void
CSecondaryScreen::onPreClose()
{
// do nothing
}
void
CSecondaryScreen::onPostClose()
{
// do nothing
}
void
CSecondaryScreen::onPreEnter()
{
// do nothing
}
void
CSecondaryScreen::onPostEnter()
{
// do nothing
}
void
CSecondaryScreen::onPreLeave()
{
// do nothing
}
void
CSecondaryScreen::onPostLeave()
{
// do nothing
}

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#ifndef CSECONDARYSCREEN_H
#define CSECONDARYSCREEN_H
#include "ClipboardTypes.h"
#include "KeyTypes.h"
#include "MouseTypes.h"
#include "CMutex.h"
class IClipboard;
class IScreen;
//! Generic client-side screen
/*!
This is a platform independent base class for secondary screen
implementations. A secondary screen is a client-side screen.
Each platform will derive a class from CSecondaryScreen to handle
platform dependent operations.
*/
class CSecondaryScreen {
public:
CSecondaryScreen();
virtual ~CSecondaryScreen();
//! @name manipulators
//@{
//! Open screen
/*!
Opens the screen. This includes initializing the screen,
hiding the cursor, and disabling the screen saver. It also causes
events to the reported to an IScreenReceiver (which is set through
some other interface). Calls close() before returning (rethrowing)
if it fails for any reason.
*/
void open();
//! Run event loop
/*!
Run the screen's event loop. This returns when it detects
the application should terminate or when exitMainLoop() is called.
mainLoop() may only be called between open() and close().
*/
void mainLoop();
//! Exit event loop
/*!
Force mainLoop() to return. This call can return before
mainLoop() does (i.e. asynchronously).
*/
void exitMainLoop();
//! Close screen
/*!
Closes the screen. This restores the screen saver, shows the cursor
and closes the screen. It also synthesizes key up events for any
keys that are logically down; without this the client will leave
its keyboard in the wrong logical state.
*/
void close();
//! Enter screen
/*!
Called when the user navigates to this secondary screen. Warps
the cursor to the absolute coordinates \c x,y and unhides
it. Also prepares to synthesize input events.
*/
void enter(SInt32 x, SInt32 y, KeyModifierMask mask);
//! Leave screen
/*!
Called when the user navigates off the secondary screen. Cleans
up input event synthesis and hides the cursor.
*/
void leave();
//! Set clipboard
/*!
Sets the system's clipboard contents. This is usually called
soon after an enter().
*/
void setClipboard(ClipboardID, const IClipboard*);
//! Grab clipboard
/*!
Grabs (i.e. take ownership of) the system clipboard.
*/
void grabClipboard(ClipboardID);
//! Activate/deactivate screen saver
/*!
Forcibly activates the screen saver if \c activate is true otherwise
forcibly deactivates it.
*/
void screensaver(bool activate);
//! Notify of key press
/*!
Synthesize key events to generate a press of key \c id. If possible
match the given modifier mask.
*/
virtual void keyDown(KeyID id, KeyModifierMask) = 0;
//! Notify of key repeat
/*!
Synthesize key events to generate a press and release of key \c id
\c count times. If possible match the given modifier mask.
*/
virtual void keyRepeat(KeyID id, KeyModifierMask, SInt32 count) = 0;
//! Notify of key release
/*!
Synthesize key events to generate a release of key \c id. If possible
match the given modifier mask.
*/
virtual void keyUp(KeyID id, KeyModifierMask) = 0;
//! Notify of mouse press
/*!
Synthesize mouse events to generate a press of mouse button \c id.
*/
virtual void mouseDown(ButtonID id) = 0;
//! Notify of mouse release
/*!
Synthesize mouse events to generate a release of mouse button \c id.
*/
virtual void mouseUp(ButtonID id) = 0;
//! Notify of mouse motion
/*!
Synthesize mouse events to generate mouse motion to the absolute
screen position \c xAbs,yAbs.
*/
virtual void mouseMove(SInt32 xAbs, SInt32 yAbs) = 0;
//! Notify of mouse wheel motion
/*!
Synthesize mouse events to generate mouse wheel motion of \c delta.
\c delta is positive for motion away from the user and negative for
motion towards the user. Each wheel click should generate a delta
of +/-120.
*/
virtual void mouseWheel(SInt32 delta) = 0;
//@}
//! @name accessors
//@{
//! Test if active
/*!
Returns true iff the screen is active (i.e. the user has entered
the screen). Note this is the reverse of a primary screen.
*/
bool isActive() const;
//! Get clipboard
/*!
Saves the contents of the system clipboard indicated by \c id.
*/
void getClipboard(ClipboardID id, IClipboard*) const;
//! Get jump zone size
/*!
Return the jump zone size, the size of the regions on the edges of
the screen that cause the cursor to jump to another screen.
*/
virtual SInt32 getJumpZoneSize() const = 0;
//! Get screen shape
/*!
Return the position of the upper-left corner of the screen in \c x and
\c y and the size of the screen in \c width and \c height.
*/
virtual void getShape(SInt32& x, SInt32& y,
SInt32& width, SInt32& height) const;
//! Get cursor position
/*!
Return the current position of the cursor in \c x,y.
*/
virtual void getCursorPos(SInt32& x, SInt32& y) const;
//! Get screen
/*!
Return the platform dependent screen.
*/
virtual IScreen* getScreen() const = 0;
//@}
protected:
//! Pre-mainLoop() hook
/*!
Called on entry to mainLoop(). Override to perform platform specific
operations. Default does nothing. May throw.
*/
virtual void onPreMainLoop();
//! Post-mainLoop() hook
/*!
Called on exit from mainLoop(). Override to perform platform specific
operations. Default does nothing. May \b not throw.
*/
virtual void onPostMainLoop();
//! Pre-open() hook
/*!
Called on entry to open(). Override to perform platform specific
operations. Default does nothing. May throw.
*/
virtual void onPreOpen();
//! Post-open() hook
/*!
Called on exit from open() iff the open was successful. Default
does nothing. May throw.
*/
virtual void onPostOpen();
//! Pre-close() hook
/*!
Called on entry to close(). Override to perform platform specific
operations. Default does nothing. May \b not throw.
*/
virtual void onPreClose();
//! Post-close() hook
/*!
Called on exit from close(). Override to perform platform specific
operations. Default does nothing. May \b not throw.
*/
virtual void onPostClose();
//! Pre-enter() hook
/*!
Called on entry to enter() after desktop synchronization. Override
to perform platform specific operations. Default does nothing. May
\b not throw.
*/
virtual void onPreEnter();
//! Post-enter() hook
/*!
Called on exit from enter(). Override to perform platform specific
operations. Default does nothing. May \b not throw.
*/
virtual void onPostEnter();
//! Pre-leave() hook
/*!
Called on entry to leave() after desktop synchronization. Override
to perform platform specific operations. Default does nothing. May
\b not throw.
*/
virtual void onPreLeave();
//! Post-leave() hook
/*!
Called on exit from leave(). Override to perform platform specific
operations. Default does nothing. May \b not throw.
*/
virtual void onPostLeave();
//! Create window
/*!
Called to create the window. This window is generally used to
receive events and hide the cursor.
*/
virtual void createWindow() = 0;
//! Destroy window
/*!
Called to destroy the window created by createWindow().
*/
virtual void destroyWindow() = 0;
//! Show window
/*!
Called when the user navigates off this secondary screen. It needn't
actually show the window created by createWindow() but it must hide
the cursor and clean up event synthesis.
*/
virtual void showWindow() = 0;
//! Hide window
/*!
Called when the user navigates to this secondary screen. It should
hide the window (if shown), show the cursor, and prepare to synthesize
input events.
*/
virtual void hideWindow() = 0;
//! Warp cursor
/*!
Warp the cursor to the absolute coordinates \c x,y.
*/
virtual void warpCursor(SInt32 x, SInt32 y) = 0;
//! Synchronize key state
/*!
Check the current keyboard state. Normally a screen will save
the keyboard state in this method and use this shadow state
when synthesizing events.
*/
virtual void updateKeys() = 0;
//! Synchronize toggle key state
/*!
Toggle modifiers that don't match the given state so that they do.
*/
virtual void setToggleState(KeyModifierMask) = 0;
private:
CMutex m_mutex;
// m_active is true if this screen has been entered
bool m_active;
};
#endif

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#include "CServerProxy.h"
#include "CProtocolUtil.h"
#include "IClient.h"
#include "ProtocolTypes.h"
#include "IInputStream.h"
#include "IOutputStream.h"
#include "CLock.h"
#include "CLog.h"
#include "CStopwatch.h"
#include "XBase.h"
#include <memory>
//
// CServerProxy
//
CServerProxy::CServerProxy(IClient* client,
IInputStream* adoptedInput, IOutputStream* adoptedOutput) :
m_client(client),
m_input(adoptedInput),
m_output(adoptedOutput),
m_seqNum(0)
{
assert(m_client != NULL);
assert(m_input != NULL);
assert(m_output != NULL);
}
CServerProxy::~CServerProxy()
{
delete m_input;
delete m_output;
}
bool
CServerProxy::mainLoop()
{
bool failedToConnect = false;
try {
// no compressed mouse motion yet
m_compressMouse = false;
// not ignoring mouse motions
m_ignoreMouse = false;
// reset sequence number
m_seqNum = 0;
// handle messages from server
CStopwatch heartbeat;
for (;;) {
// if no input is pending then flush compressed mouse motion
if (getInputStream()->getSize() == 0) {
flushCompressedMouse();
}
// wait for a message
log((CLOG_DEBUG2 "waiting for message"));
UInt8 code[4];
UInt32 n = getInputStream()->read(code, 4, kHeartRate);
// check if server hungup
if (n == 0) {
log((CLOG_NOTE "server disconnected"));
break;
}
// check for time out
if (n == (UInt32)-1 || heartbeat.getTime() > kHeartRate) {
// send heartbeat
CLock lock(&m_mutex);
CProtocolUtil::writef(getOutputStream(), kMsgCNoop);
heartbeat.reset();
if (n == (UInt32)-1) {
// no message to process
continue;
}
}
// verify we got an entire code
if (n != 4) {
// client sent an incomplete message
log((CLOG_ERR "incomplete message from server"));
break;
}
// parse message
log((CLOG_DEBUG2 "msg from server: %c%c%c%c", code[0], code[1], code[2], code[3]));
if (memcmp(code, kMsgDMouseMove, 4) == 0) {
mouseMove();
}
else if (memcmp(code, kMsgDMouseWheel, 4) == 0) {
mouseWheel();
}
else if (memcmp(code, kMsgDKeyDown, 4) == 0) {
keyDown();
}
else if (memcmp(code, kMsgDKeyUp, 4) == 0) {
keyUp();
}
else if (memcmp(code, kMsgDMouseDown, 4) == 0) {
mouseDown();
}
else if (memcmp(code, kMsgDMouseUp, 4) == 0) {
mouseUp();
}
else if (memcmp(code, kMsgDKeyRepeat, 4) == 0) {
keyRepeat();
}
else if (memcmp(code, kMsgCNoop, 4) == 0) {
// accept and discard no-op
}
else if (memcmp(code, kMsgCEnter, 4) == 0) {
enter();
}
else if (memcmp(code, kMsgCLeave, 4) == 0) {
leave();
}
else if (memcmp(code, kMsgCClipboard, 4) == 0) {
grabClipboard();
}
else if (memcmp(code, kMsgCScreenSaver, 4) == 0) {
screensaver();
}
else if (memcmp(code, kMsgQInfo, 4) == 0) {
queryInfo();
}
else if (memcmp(code, kMsgCInfoAck, 4) == 0) {
infoAcknowledgment();
}
else if (memcmp(code, kMsgDClipboard, 4) == 0) {
setClipboard();
}
else if (memcmp(code, kMsgCClose, 4) == 0) {
// server wants us to hangup
log((CLOG_DEBUG1 "recv close"));
break;
}
else if (memcmp(code, kMsgEIncompatible, 4) == 0) {
SInt32 major, minor;
CProtocolUtil::readf(getInputStream(),
kMsgEIncompatible + 4, &major, &minor);
log((CLOG_ERR "server has incompatible version %d.%d", major, minor));
failedToConnect = true;
break;
}
else if (memcmp(code, kMsgEBusy, 4) == 0) {
log((CLOG_ERR "server already has a connected client with name \"%s\"", getName().c_str()));
failedToConnect = true;
break;
}
else if (memcmp(code, kMsgEUnknown, 4) == 0) {
log((CLOG_ERR "server refused client with name \"%s\"", getName().c_str()));
failedToConnect = true;
break;
}
else if (memcmp(code, kMsgEBad, 4) == 0) {
log((CLOG_ERR "server disconnected due to a protocol error"));
failedToConnect = true;
break;
}
else {
// unknown message
log((CLOG_ERR "unknown message from server"));
failedToConnect = true;
break;
}
}
}
catch (XBase& e) {
log((CLOG_ERR "error: %s", e.what()));
}
catch (...) {
throw;
}
return !failedToConnect;
}
IClient*
CServerProxy::getClient() const
{
return m_client;
}
CString
CServerProxy::getName() const
{
return m_client->getName();
}
IInputStream*
CServerProxy::getInputStream() const
{
return m_input;
}
IOutputStream*
CServerProxy::getOutputStream() const
{
return m_output;
}
void
CServerProxy::onError()
{
// ignore
}
void
CServerProxy::onInfoChanged(const CClientInfo& info)
{
// ignore mouse motion until we receive acknowledgment of our info
// change message.
CLock lock(&m_mutex);
m_ignoreMouse = true;
// send info update
sendInfo(info);
}
bool
CServerProxy::onGrabClipboard(ClipboardID id)
{
log((CLOG_DEBUG1 "sending clipboard %d changed", id));
CLock lock(&m_mutex);
CProtocolUtil::writef(getOutputStream(), kMsgCClipboard, id, m_seqNum);
return true;
}
void
CServerProxy::onClipboardChanged(ClipboardID id, const CString& data)
{
CLock lock(&m_mutex);
log((CLOG_DEBUG1 "sending clipboard %d seqnum=%d, size=%d", id, m_seqNum, data.size()));
CProtocolUtil::writef(getOutputStream(), kMsgDClipboard, id, m_seqNum, &data);
}
void
CServerProxy::flushCompressedMouse()
{
bool send = false;
SInt32 x = 0, y = 0;
{
CLock lock(&m_mutex);
if (m_compressMouse) {
m_compressMouse = false;
x = m_xMouse;
y = m_yMouse;
send = true;
}
}
if (send) {
getClient()->mouseMove(x, y);
}
}
void
CServerProxy::sendInfo(const CClientInfo& info)
{
// note -- m_mutex should be locked on entry
log((CLOG_DEBUG1 "sending info shape=%d,%d %dx%d zone=%d pos=%d,%d", info.m_x, info.m_y, info.m_w, info.m_h, info.m_zoneSize, info.m_mx, info.m_my));
CProtocolUtil::writef(getOutputStream(), kMsgDInfo,
info.m_x, info.m_y,
info.m_w, info.m_h,
info.m_zoneSize,
info.m_mx, info.m_my);
}
void
CServerProxy::enter()
{
// parse
SInt16 x, y;
UInt16 mask;
UInt32 seqNum;
CProtocolUtil::readf(getInputStream(),
kMsgCEnter + 4, &x, &y, &seqNum, &mask);
log((CLOG_DEBUG1 "recv enter, %d,%d %d %04x", x, y, seqNum, mask));
// discard old compressed mouse motion, if any
{
CLock lock(&m_mutex);
m_compressMouse = false;
m_seqNum = seqNum;
}
// forward
getClient()->enter(x, y, seqNum, static_cast<KeyModifierMask>(mask), false);
}
void
CServerProxy::leave()
{
// parse
log((CLOG_DEBUG1 "recv leave"));
// send last mouse motion
flushCompressedMouse();
// forward
getClient()->leave();
}
void
CServerProxy::setClipboard()
{
// parse
ClipboardID id;
UInt32 seqNum;
CString data;
CProtocolUtil::readf(getInputStream(),
kMsgDClipboard + 4, &id, &seqNum, &data);
log((CLOG_DEBUG "recv clipboard %d size=%d", id, data.size()));
// validate
if (id >= kClipboardEnd) {
return;
}
// forward
getClient()->setClipboard(id, data);
}
void
CServerProxy::grabClipboard()
{
// parse
ClipboardID id;
UInt32 seqNum;
CProtocolUtil::readf(getInputStream(), kMsgCClipboard + 4, &id, &seqNum);
log((CLOG_DEBUG "recv grab clipboard %d", id));
// validate
if (id >= kClipboardEnd) {
return;
}
// forward
getClient()->grabClipboard(id);
}
void
CServerProxy::keyDown()
{
// get mouse up to date
flushCompressedMouse();
// parse
UInt16 id, mask;
CProtocolUtil::readf(getInputStream(), kMsgDKeyDown + 4, &id, &mask);
log((CLOG_DEBUG1 "recv key down id=%d, mask=0x%04x", id, mask));
// forward
getClient()->keyDown(static_cast<KeyID>(id),
static_cast<KeyModifierMask>(mask));
}
void
CServerProxy::keyRepeat()
{
// get mouse up to date
flushCompressedMouse();
// parse
UInt16 id, mask, count;
CProtocolUtil::readf(getInputStream(),
kMsgDKeyRepeat + 4, &id, &mask, &count);
log((CLOG_DEBUG1 "recv key repeat id=%d, mask=0x%04x, count=%d", id, mask, count));
// forward
getClient()->keyRepeat(static_cast<KeyID>(id),
static_cast<KeyModifierMask>(mask),
count);
}
void
CServerProxy::keyUp()
{
// get mouse up to date
flushCompressedMouse();
// parse
UInt16 id, mask;
CProtocolUtil::readf(getInputStream(), kMsgDKeyUp + 4, &id, &mask);
log((CLOG_DEBUG1 "recv key up id=%d, mask=0x%04x", id, mask));
// forward
getClient()->keyUp(static_cast<KeyID>(id),
static_cast<KeyModifierMask>(mask));
}
void
CServerProxy::mouseDown()
{
// get mouse up to date
flushCompressedMouse();
// parse
SInt8 id;
CProtocolUtil::readf(getInputStream(), kMsgDMouseDown + 4, &id);
log((CLOG_DEBUG1 "recv mouse down id=%d", id));
// forward
getClient()->mouseDown(static_cast<ButtonID>(id));
}
void
CServerProxy::mouseUp()
{
// get mouse up to date
flushCompressedMouse();
// parse
SInt8 id;
CProtocolUtil::readf(getInputStream(), kMsgDMouseUp + 4, &id);
log((CLOG_DEBUG1 "recv mouse up id=%d", id));
// forward
getClient()->mouseUp(static_cast<ButtonID>(id));
}
void
CServerProxy::mouseMove()
{
// parse
bool ignore;
SInt16 x, y;
CProtocolUtil::readf(getInputStream(), kMsgDMouseMove + 4, &x, &y);
{
// note if we should ignore the move
CLock lock(&m_mutex);
ignore = m_ignoreMouse;
// compress mouse motion events if more input follows
if (!ignore && !m_compressMouse && getInputStream()->getSize() > 0) {
m_compressMouse = true;
}
// if compressing then ignore the motion but record it
if (m_compressMouse) {
ignore = true;
m_xMouse = x;
m_yMouse = y;
}
}
log((CLOG_DEBUG2 "recv mouse move %d,%d", x, y));
// forward
if (!ignore) {
getClient()->mouseMove(x, y);
}
}
void
CServerProxy::mouseWheel()
{
// get mouse up to date
flushCompressedMouse();
// parse
SInt16 delta;
CProtocolUtil::readf(getInputStream(), kMsgDMouseWheel + 4, &delta);
log((CLOG_DEBUG2 "recv mouse wheel %+d", delta));
// forward
getClient()->mouseWheel(delta);
}
void
CServerProxy::screensaver()
{
// parse
SInt8 on;
CProtocolUtil::readf(getInputStream(), kMsgCScreenSaver + 4, &on);
log((CLOG_DEBUG1 "recv screen saver on=%d", on));
// forward
getClient()->screensaver(on != 0);
}
void
CServerProxy::queryInfo()
{
// get current info
CClientInfo info;
getClient()->getShape(info.m_x, info.m_y, info.m_w, info.m_h);
getClient()->getCursorPos(info.m_mx, info.m_my);
info.m_zoneSize = getClient()->getJumpZoneSize();
// send it
CLock lock(&m_mutex);
sendInfo(info);
}
void
CServerProxy::infoAcknowledgment()
{
// parse
log((CLOG_DEBUG1 "recv info acknowledgment"));
// now allow mouse motion
CLock lock(&m_mutex);
m_ignoreMouse = false;
}

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#ifndef CSERVERPROXY_H
#define CSERVERPROXY_H
#include "IScreenReceiver.h"
#include "CMutex.h"
class IClient;
class IInputStream;
class IOutputStream;
//! Proxy for server
/*!
This class acts a proxy for the server, converting calls into messages
to the server and messages from the server to calls on the client.
*/
class CServerProxy : public IScreenReceiver {
public:
/*! \c adoptedInput is the stream from the server and
\c adoptedOutput is the stream to the server. This object
takes ownership of both and destroys them in the d'tor.
Messages from the server are converted to calls on \c client.
*/
CServerProxy(IClient* client,
IInputStream* adoptedInput,
IOutputStream* adoptedOutput);
~CServerProxy();
//! @name manipulators
//@{
//! Run event loop
/*!
Run the event loop and return when the server disconnects or
requests the client to disconnect. Return true iff the server
didn't reject our connection.
(cancellation point)
*/
bool mainLoop();
//@}
//! @name accessors
//@{
//! Get client
/*!
Returns the client passed to the c'tor.
*/
IClient* getClient() const;
//! Get input stream
/*!
Return the input stream passed to the c'tor.
*/
IInputStream* getInputStream() const;
//! Get output stream
/*!
Return the output stream passed to the c'tor.
*/
IOutputStream* getOutputStream() const;
//@}
// IScreenReceiver overrides
virtual void onError();
virtual void onInfoChanged(const CClientInfo&);
virtual bool onGrabClipboard(ClipboardID);
virtual void onClipboardChanged(ClipboardID, const CString& data);
private:
// get the client name (from the client)
CString getName() const;
// if compressing mouse motion then send the last motion now
void flushCompressedMouse();
void sendInfo(const CClientInfo&);
// message handlers
void enter();
void leave();
void setClipboard();
void grabClipboard();
void keyDown();
void keyRepeat();
void keyUp();
void mouseDown();
void mouseUp();
void mouseMove();
void mouseWheel();
void screensaver();
void queryInfo();
void infoAcknowledgment();
private:
CMutex m_mutex;
IClient* m_client;
IInputStream* m_input;
IOutputStream* m_output;
UInt32 m_seqNum;
bool m_compressMouse;
SInt32 m_xMouse, m_yMouse;
bool m_ignoreMouse;
};
#endif

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#ifndef CXWINDOWSSECONDARYSCREEN_H
#define CXWINDOWSSECONDARYSCREEN_H
#include "CSecondaryScreen.h"
#include "IScreenEventHandler.h"
#include "stdmap.h"
#include "stdvector.h"
#if defined(X_DISPLAY_MISSING)
# error X11 is required to build synergy
#else
# include <X11/Xlib.h>
#endif
class CXWindowsScreen;
class IScreenReceiver;
//! X11 secondary screen implementation
class CXWindowsSecondaryScreen :
public CSecondaryScreen, public IScreenEventHandler {
public:
CXWindowsSecondaryScreen(IScreenReceiver*);
virtual ~CXWindowsSecondaryScreen();
// CSecondaryScreen overrides
virtual void keyDown(KeyID, KeyModifierMask);
virtual void keyRepeat(KeyID, KeyModifierMask, SInt32 count);
virtual void keyUp(KeyID, KeyModifierMask);
virtual void mouseDown(ButtonID);
virtual void mouseUp(ButtonID);
virtual void mouseMove(SInt32 x, SInt32 y);
virtual void mouseWheel(SInt32 delta);
virtual IScreen* getScreen() const;
// IScreenEventHandler overrides
virtual void onScreensaver(bool activated);
virtual bool onPreDispatch(const CEvent* event);
virtual bool onEvent(CEvent* event);
virtual SInt32 getJumpZoneSize() const;
protected:
// CSecondaryScreen overrides
virtual void onPreMainLoop();
virtual void onPreOpen();
virtual void onPostOpen();
virtual void onPreEnter();
virtual void onPreLeave();
virtual void createWindow();
virtual void destroyWindow();
virtual void showWindow();
virtual void hideWindow();
virtual void warpCursor(SInt32 x, SInt32 y);
virtual void updateKeys();
virtual void setToggleState(KeyModifierMask);
private:
enum EKeyAction { kPress, kRelease, kRepeat };
class KeyCodeMask {
public:
KeyCode m_keycode;
unsigned int m_keyMask;
unsigned int m_keyMaskMask;
};
class Keystroke {
public:
KeyCode m_keycode;
Bool m_press;
bool m_repeat;
};
typedef std::vector<Keystroke> Keystrokes;
typedef std::vector<KeyCode> KeyCodes;
typedef std::map<KeyID, KeyCodeMask> KeyCodeMap;
typedef std::map<KeyCode, unsigned int> ModifierMap;
unsigned int mapButton(ButtonID button) const;
unsigned int mapKey(Keystrokes&, KeyCode&, KeyID,
KeyModifierMask, EKeyAction) const;
bool findKeyCode(KeyCode&, unsigned int&,
KeyID id, unsigned int) const;
void doKeystrokes(const Keystrokes&, SInt32 count);
unsigned int maskToX(KeyModifierMask) const;
void releaseKeys(Display*);
void updateKeycodeMap(Display* display);
void updateModifiers(Display* display);
void updateModifierMap(Display* display);
void toggleKey(Display*, KeySym, unsigned int mask);
static bool isToggleKeysym(KeySym);
private:
CXWindowsScreen* m_screen;
Window m_window;
// note toggle keys that toggles on up/down (false) or on
// transition (true)
bool m_numLockHalfDuplex;
bool m_capsLockHalfDuplex;
// set entries indicate keys that are pressed. indexed by keycode.
bool m_keys[256];
// current active modifiers (X key masks)
unsigned int m_mask;
// maps key IDs to X keycodes and the X modifier key mask needed
// to generate the right keysym
KeyCodeMap m_keycodeMap;
// the modifiers that have keys bound to them
unsigned int m_modifierMask;
// set bits indicate modifiers that toggle (e.g. caps-lock)
unsigned int m_toggleModifierMask;
// masks that indicate which modifier bits are for toggle keys
unsigned int m_numLockMask;
unsigned int m_capsLockMask;
unsigned int m_scrollLockMask;
// map X modifier key indices to the key codes bound to them
unsigned int m_keysPerModifier;
KeyCodes m_modifierToKeycode;
// maps keycodes to modifier indices
ModifierMap m_keycodeToModifier;
};
#endif

23
lib/client/Makefile.am Normal file
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@@ -0,0 +1,23 @@
## Process this file with automake to produce Makefile.in
NULL =
DEPTH = ../..
noinst_LIBRARIES = libclient.a
libclient_a_SOURCES = \
CClient.cpp \
CSecondaryScreen.cpp \
CServerProxy.cpp \
CXWindowsSecondaryScreen.cpp \
CClient.h \
CSecondaryScreen.h \
CServerProxy.h \
CXWindowsSecondaryScreen.h \
$(NULL)
INCLUDES = \
-I$(DEPTH)/lib/base \
-I$(DEPTH)/lib/mt \
-I$(DEPTH)/lib/io \
-I$(DEPTH)/lib/net \
-I$(DEPTH)/lib/synergy \
-I$(DEPTH)/lib/platform \
$(NULL)