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path: root/noncore/comm/keypebble/krfbdecoder.cpp
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Diffstat (limited to 'noncore/comm/keypebble/krfbdecoder.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/comm/keypebble/krfbdecoder.cpp63
1 files changed, 34 insertions, 29 deletions
diff --git a/noncore/comm/keypebble/krfbdecoder.cpp b/noncore/comm/keypebble/krfbdecoder.cpp
index db95154..69457e2 100644
--- a/noncore/comm/keypebble/krfbdecoder.cpp
+++ b/noncore/comm/keypebble/krfbdecoder.cpp
@@ -1,62 +1,67 @@
#include "krfbconnection.h"
#include "krfbserverinfo.h"
#include "krfbdecoder.h"
#include "krfbbuffer.h"
+/* OPIE */
+#include <opie2/odebug.h>
+using namespace Opie::Core;
+/* QT */
#include <qpixmap.h>
+/* STD */
#include <assert.h>
//
// Endian stuff
//
-#ifndef KDE_USE_FINAL
+#ifndef OPIE_NO_DEBUG
const int endianTest = 1;
#endif
#define Swap16IfLE(s) \
(*(char *)&endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
#define Swap32IfLE(l) \
(*(char *)&endianTest ? ((((l) & 0xff000000) >> 24) | \
(((l) & 0x00ff0000) >> 8) | \
(((l) & 0x0000ff00) << 8) | \
(((l) & 0x000000ff) << 24)) : (l))
//
// The lengths of the messages we need to wait for
//
const int ServerInitLength = 24;
const int UpdateHeaderLength = 4;
const int RectHeaderLength = 12;
const int RectChunkSize = 4;
const int CopyRectPosLength = 4;
const int ServerCutLenLength = 7;
//
// Client -> Server Message Identifiers
//
static CARD8 SetPixelFormatId = 0;
//static CARD8 FixColourMapEntriesId = 1; // Not used
static CARD8 SetEncodingsId = 2;
static CARD8 UpdateRequestId = 3;
static CARD8 KeyEventId = 4;
static CARD8 PointerEventId = 5;
static CARD8 ClientCutTextId = 6;
//
// Server -> Client Message Identifiers
//
static CARD8 UpdateId = 0;
static CARD8 BellId = 2;
static CARD8 ServerCutId = 3;
//
// Encoding identifiers
//
static CARD32 RawEncoding = Swap32IfLE( 0 );
static CARD32 CopyRectEncoding = Swap32IfLE(1 );
static CARD32 RreEncoding = Swap32IfLE( 2 );
static CARD32 CorreEncoding = Swap32IfLE( 4 );
static CARD32 HexTileEncoding = Swap32IfLE( 5 );
@@ -90,181 +95,181 @@ static struct {
{ 0xffc6, Qt::Key_F9 },
{ 0xffc7, Qt::Key_F10 },
{ 0xffc8, Qt::Key_F11 },
{ 0xffc9, Qt::Key_F12 },
{ 0xffe1, Qt::Key_Shift },
{ 0xffe2, Qt::Key_Shift },
{ 0xffe3, Qt::Key_Control },
{ 0xffe4, Qt::Key_Control },
{ 0xffe7, Qt::Key_Meta },
{ 0xffe8, Qt::Key_Meta },
{ 0xffe9, Qt::Key_Alt },
{ 0xffea, Qt::Key_Alt },
{ 0, 0 }
};
KRFBDecoder::KRFBDecoder( KRFBConnection *con )
: QObject( con, "RFB Decoder" )
{
assert( con );
assert( con->state() == KRFBConnection::Connected );
this->con = con;
this->buf = 0;
this->info = 0;
this->format = 0;
this->buttonMask = 0;
currentState = Idle;
}
KRFBDecoder::~KRFBDecoder()
{
if ( info )
delete info;
if ( format )
delete format;
}
void KRFBDecoder::start()
{
sendClientInit();
}
void KRFBDecoder::sendClientInit()
{
con->write( &( con->options()->shared ), 1 );
// Wait for server init
- qWarning( "Waiting for server init" );
+ owarn << "Waiting for server init" << oendl;
static QString statusMsg = tr( "Waiting for server initialization..." );
emit status( statusMsg );
currentState = AwaitingServerInit;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotServerInit() ) );
con->waitForData( ServerInitLength );
}
void KRFBDecoder::gotServerInit()
{
- qWarning( "Got server init" );
+ owarn << "Got server init" << oendl;
disconnect( con, SIGNAL( gotEnoughData() ), this, SLOT( gotServerInit() ) );
if ( info )
delete info;
info = new KRFBServerInfo;
CHECK_PTR( info );
con->read( &(info->width), 2 );
info->width = Swap16IfLE( info->width );
con->read( &info->height, 2 );
info->height = Swap16IfLE( info->height );
con->read( &(info->bpp), 1 );
con->read( &(info->depth), 1 );
con->read( &(info->bigEndian), 1 );
con->read( &(info->trueColor), 1 );
con->read( &(info->redMax), 2 );
info->redMax = Swap16IfLE( info->redMax );
con->read( &(info->greenMax), 2 );
info->greenMax = Swap16IfLE( info->greenMax );
con->read( &(info->blueMax), 2 );
info->blueMax = Swap16IfLE( info->blueMax );
con->read( &(info->redShift), 1 );
con->read( &(info->greenShift), 1 );
con->read( &(info->blueShift), 1 );
con->read( info->padding, 3 );
con->read( &(info->nameLength), 4 );
info->nameLength = Swap32IfLE( info->nameLength );
- qWarning( "Width = %d, Height = %d", info->width, info->height );
+ owarn << "Width = " << info->width << ", Height = " << info->height << "" << oendl;
qWarning( "Bpp = %d, Depth = %d, Big = %d, True = %d",
info->bpp, info->depth, info->bigEndian, info->trueColor );
qWarning( "RedMax = %d, GreenMax = %d, BlueMax = %d",
info->redMax, info->greenMax, info->blueMax );
qWarning( "RedShift = %d, GreenShift = %d, BlueShift = %d",
info->redShift, info->greenShift,info-> blueShift );
buf->resize( info->width/con->options()->scaleFactor, info->height /con->options()->scaleFactor);
// Wait for desktop name
- qWarning( "Waiting for desktop name" );
+ owarn << "Waiting for desktop name" << oendl;
static QString statusMsg = tr( "Waiting for desktop name..." );
emit status( statusMsg );
currentState = AwaitingDesktopName;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotDesktopName() ) );
con->waitForData( info->nameLength );
}
void KRFBDecoder::gotDesktopName()
{
assert( info );
assert( currentState == AwaitingDesktopName );
- qWarning( "Got desktop name" );
+ owarn << "Got desktop name" << oendl;
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotDesktopName() ) );
char *buf = new char[ info->nameLength + 1 ];
CHECK_PTR( buf );
con->read( buf, info->nameLength );
buf[ info->nameLength ] = '\0';
info->name = buf;
- qWarning( "Desktop: %s", info->name.latin1() );
+ owarn << "Desktop: " << info->name.latin1() << "" << oendl;
delete buf;
// Get the format we'll really use and tell the server
decidePixelFormat();
sendPixelFormat();
sendAllowedEncodings();
currentState = Idle;
QString msg;
msg = tr( "Connected to %1" );
msg = msg.arg( info->name );
emit status( msg );
sendUpdateRequest( false );
}
void KRFBDecoder::decidePixelFormat()
{
assert( info );
if ( format )
delete format;
format = new KRFBPixelFormat;
CHECK_PTR( format );
// What depth do we want?
//
// We'll use the minimum of the remote and local depths, UNLESS an
// eight bit session has been specifically requested by the user.
int screenDepth = QPixmap::defaultDepth();
int bestDepth = ( screenDepth > info->depth ) ? info->depth : screenDepth;
int chosenDepth;
if ( con->options()->colors256 )
chosenDepth = 8;
else
chosenDepth = bestDepth;
qWarning( "Screen depth=%d, server depth=%d, best depth=%d, " \
"eight bit %d, chosenDepth=%d",
screenDepth,
info->depth,
bestDepth,
con->options()->colors256, chosenDepth );
format->depth = chosenDepth;
@@ -326,484 +331,484 @@ void KRFBDecoder::sendAllowedEncodings()
{
static CARD8 padding[1];
con->write( &SetEncodingsId, 1 );
con->write( padding, 1 );
CARD16 noEncodings = con->options()->encodings();
noEncodings = Swap16IfLE( noEncodings );
con->write( &noEncodings, 2 );
if ( con->options()->corre )
con->write( &CorreEncoding, 4 );
if ( con->options()->hexTile )
con->write( &HexTileEncoding, 4 );
if ( con->options()->rre )
con->write( &RreEncoding, 4 );
if ( con->options()->copyrect )
con->write( &CopyRectEncoding, 4 );
// We always support this
con->write( &RawEncoding, 4 );
}
void KRFBDecoder::sendUpdateRequest( bool incremental )
{
if ( currentState != Idle )
return;
con->write( &UpdateRequestId, 1 );
con->write( &incremental, 1 );
static CARD16 x = 0, y = 0;
static CARD16 w = Swap16IfLE( info->width );
static CARD16 h = Swap16IfLE( info->height );
con->write( &x, 2 );
con->write( &y, 2 );
con->write( &w, 2 );
con->write( &h, 2 );
// Now wait for the update
currentState = AwaitingUpdate;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotUpdateHeader() ) );
con->waitForData( UpdateHeaderLength );
}
void KRFBDecoder::gotUpdateHeader()
{
assert( currentState == AwaitingUpdate );
- // qWarning( "Got update header" );
+ // owarn << "Got update header" << oendl;
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotUpdateHeader() ) );
CARD8 msgType;
con->read( &msgType, 1 );
if ( msgType != UpdateId ) {
// We might have a bell or server cut
if ( msgType == ServerCutId ) {
oldState = currentState;
gotServerCut();
}
else if ( msgType == BellId ) {
oldState = currentState;
gotBell();
}
else {
int msg = msgType;
QString protocolError = tr( "Protocol Error: Message Id %1 was "
"found when expecting an update "
"message." ).arg( msg );
currentState = Error;
emit error( protocolError );
}
return;
}
CARD8 padding;
con->read( &padding, 1 );
con->read( &noRects, 2 );
noRects = Swap16IfLE( noRects );
- // qWarning( "Expecting %d rects", noRects );
+ // owarn << "Expecting " << noRects << " rects" << oendl;
// Now wait for the data
currentState = AwaitingRectHeader;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotRectHeader() ) );
con->waitForData( RectHeaderLength );
}
void KRFBDecoder::gotRectHeader()
{
assert( currentState == AwaitingRectHeader );
- // qWarning( "Got rect header" );
+ // owarn << "Got rect header" << oendl;
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotRectHeader() ) );
con->read( &x, 2 );
x = Swap16IfLE( x );
con->read( &y, 2 );
y = Swap16IfLE( y );
con->read( &w, 2 );
w = Swap16IfLE( w );
con->read( &h, 2 );
h = Swap16IfLE( h );
con->read( &encoding, 4 );
// CARD32 encodingLocal = Swap32IfLE( encoding );
// qWarning( "Rect: x=%d, y= %d, w=%d, h=%d, encoding=%ld",
// x, y, w, h, encodingLocal );
//
// Each encoding needs to be handled differently. Some require
// waiting for more data, but others like a copyrect do not.
// Our constants have already been byte swapped, so we use
// the remote value as is.
//
if ( encoding == RawEncoding ) {
- // qWarning( "Raw encoding" );
+ // owarn << "Raw encoding" << oendl;
handleRawRect();
}
else if ( encoding == CopyRectEncoding ) {
-// qWarning( "CopyRect encoding" );
+// owarn << "CopyRect encoding" << oendl;
handleCopyRect();
}
else if ( encoding == RreEncoding ) {
- qWarning( "RRE encoding" );
+ owarn << "RRE encoding" << oendl;
handleRRERect();
}
else if ( encoding == CorreEncoding ) {
- qWarning( "CoRRE encoding" );
+ owarn << "CoRRE encoding" << oendl;
handleCoRRERect();
}
else if ( encoding == HexTileEncoding ) {
- qWarning( "HexTile encoding" );
+ owarn << "HexTile encoding" << oendl;
handleHexTileRect();
}
else {
int msg = Swap32IfLE( encoding );
QString protocolError = tr( "Protocol Error: An unknown encoding was "
"used by the server %1" ).arg( msg );
currentState = Error;
- qWarning( "Unknown encoding, %d", msg );
+ owarn << "Unknown encoding, " << msg << "" << oendl;
emit error( protocolError );
return;
}
}
//
// Raw Encoding
//
void KRFBDecoder::handleRawRect()
{
// We need something a bit cleverer here to handle large
// rectanges nicely. The chunking should be based on the
// overall size (but has to be in complete lines).
- // qWarning( "Handling a raw rect chunk" );
+ // owarn << "Handling a raw rect chunk" << oendl;
// CARD32 lineCount = w * format->bpp / 8;
if ( h > RectChunkSize ) {
// if ( con->sock->size() / lineCount ) {
// getRawRectChunk( con->sock->size() / lineCount );
// }
// else {
getRawRectChunk( RectChunkSize );
// }
}
else {
getRawRectChunk( h );
}
}
void KRFBDecoder::getRawRectChunk( int lines )
{
this->lines = lines;
CARD32 count = lines * w * format->bpp / 8;
// Wait for server init
- // qWarning( "Waiting for raw rect chunk, %ld", count );
+ // owarn << "Waiting for raw rect chunk, " << count << "" << oendl;
currentState = AwaitingRawRectChunk;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotRawRectChunk() ) );
con->waitForData( count );
}
void KRFBDecoder::gotRawRectChunk()
{
assert( currentState == AwaitingRawRectChunk );
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotRawRectChunk() ) );
- // qWarning( "Got raw rect chunk" );
+ // owarn << "Got raw rect chunk" << oendl;
//
// Read the rect data and copy it to the buffer.
//
// TODO: Replace this!
int count = lines * w * format->bpp / 8;
char *hack = new char[ count ];
con->read( hack, count );
buf->drawRawRectChunk( hack, x, y, w, lines );
delete hack;
// /TODO:
h = h - lines;
y = y + lines;
if ( h > 0 ) {
handleRawRect();
}
else {
noRects--;
- // qWarning( "There are %d rects left", noRects );
+ // owarn << "There are " << noRects << " rects left" << oendl;
if ( noRects ) {
currentState = AwaitingRectHeader;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotRectHeader() ) );
con->waitForData( RectHeaderLength );
}
else {
// we are now ready for the next update - no need to wait for the timer
currentState = Idle;
sendUpdateRequest (1);
}
}
}
//
// Copy Rectangle Encoding
//
void KRFBDecoder::handleCopyRect()
{
currentState = AwaitingCopyRectPos;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotCopyRectPos() ) );
con->waitForData( CopyRectPosLength );
}
void KRFBDecoder::gotCopyRectPos()
{
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotCopyRectPos() ) );
CARD16 srcX;
CARD16 srcY;
con->read( &srcX, 2 );
con->read( &srcY, 2 );
srcX = Swap16IfLE( srcX );
srcY = Swap16IfLE( srcY );
buf->copyRect( srcX, srcY, x, y, w, h );
noRects--;
- // qWarning( "There are %d rects left", noRects );
+ // owarn << "There are " << noRects << " rects left" << oendl;
if ( noRects ) {
currentState = AwaitingRectHeader;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotRectHeader() ) );
con->waitForData( RectHeaderLength );
}
else
currentState = Idle;
}
void KRFBDecoder::handleRRERect()
{
- qWarning( "RRE not implemented" );
+ owarn << "RRE not implemented" << oendl;
}
void KRFBDecoder::handleCoRRERect()
{
- qWarning( "CoRRE not implemented" );
+ owarn << "CoRRE not implemented" << oendl;
}
void KRFBDecoder::handleHexTileRect()
{
- qWarning( "HexTile not implemented" );
+ owarn << "HexTile not implemented" << oendl;
}
void KRFBDecoder::sendMouseEvent( QMouseEvent *e )
{
// Deal with the buttons
if ( e->type() != QEvent::MouseMove ) {
buttonMask = 0;
if ( e->type() == QEvent::MouseButtonPress ) {
if ( e->button() & LeftButton )
buttonMask |= 0x01;
if ( e->button() & MidButton )
buttonMask |= 0x04;
if ( e->button() & RightButton )
buttonMask |= 0x02;
}
else if ( e->type() == QEvent::MouseButtonRelease ) {
if ( e->button() & LeftButton )
buttonMask &= 0x06;
if ( e->button() & MidButton )
buttonMask |= 0x03;
if ( e->button() & RightButton )
buttonMask |= 0x05;
}
}
// HACK: Scaling
CARD16 x = Swap16IfLE( e->x() * con->options()->scaleFactor );
CARD16 y = Swap16IfLE( e->y() * con->options()->scaleFactor );
con->write( &PointerEventId, 1 );
con->write( &buttonMask, 1 );
con->write( &x, 2 );
con->write( &y, 2 );
}
void KRFBDecoder::sendCutEvent( const QString &unicode )
{
//
// Warning: There is a bug in the RFB protocol because there is no way to find
// out the codepage in use on the remote machine. This could be fixed by requiring
// the remote server to use utf8 etc. but for now we have to assume they're the
// same. I've reported this problem to the ORL guys, but they apparantly have no
// immediate plans to fix the issue. :-( (rich)
//
CARD8 padding[3];
QCString text = unicode.local8Bit();
CARD32 length = text.length();
length = Swap32IfLE( length );
con->write( &ClientCutTextId, 1 );
con->write( &padding, 3 );
con->write( &length, 4 );
con->write( text.data(), length );
}
void KRFBDecoder::gotServerCut()
{
- qWarning( "Got server cut" );
+ owarn << "Got server cut" << oendl;
currentState = AwaitingServerCutLength;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotServerCutLength() ) );
con->waitForData( ServerCutLenLength );
}
void KRFBDecoder::gotServerCutLength()
{
assert( currentState = AwaitingServerCutLength );
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotServerCutLength() ) );
CARD8 padding[3];
con->read( padding, 3 );
con->read( &serverCutTextLen, 4 );
serverCutTextLen = Swap32IfLE( serverCutTextLen );
currentState = AwaitingServerCutText;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotServerCutText() ) );
con->waitForData( serverCutTextLen );
}
void KRFBDecoder::gotServerCutText()
{
assert( currentState = AwaitingServerCutText );
disconnect( con, SIGNAL( gotEnoughData() ),
this, SLOT( gotServerCutText() ) );
//
// Warning: There is a bug in the RFB protocol because there is no way to find
// out the codepage in use on the remote machine. This could be fixed by requiring
// the remote server to use utf8 etc. but for now we have to assume they're the
// same. I've reported this problem to the ORL guys, but they apparantly have no
// immediate plans to fix the issue. :-( (rich)
//
char *cutbuf = new char[ serverCutTextLen + 1 ];
CHECK_PTR( cutbuf );
con->read( cutbuf, serverCutTextLen );
cutbuf[ serverCutTextLen ] = '\0';
/* For some reason QApplication::clipboard()->setText() segfaults when called
* from within keypebble's mass of signals and slots
- qWarning( "Server cut: %s", cutbuf );
+ owarn << "Server cut: " << cutbuf << "" << oendl;
QString cutText( cutbuf ); // DANGER!!
qApp->clipboard()->setText( cutText );
*/
delete cutbuf;
// Now wait for the update (again)
if ( oldState == AwaitingUpdate ) {
currentState = AwaitingUpdate;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotUpdateHeader() ) );
con->waitForData( UpdateHeaderLength );
}
else if ( oldState == Idle ) {
currentState = Idle;
}
else {
- qWarning( "Async handled in weird state" );
+ owarn << "Async handled in weird state" << oendl;
currentState = oldState;
};
}
void KRFBDecoder::gotBell()
{
- qWarning( "Got server bell" );
+ owarn << "Got server bell" << oendl;
buf->soundBell();
// Now wait for the update (again)
if ( oldState == AwaitingUpdate ) {
currentState = AwaitingUpdate;
connect( con, SIGNAL( gotEnoughData() ), SLOT( gotUpdateHeader() ) );
con->waitForData( UpdateHeaderLength );
}
else if ( oldState == Idle ) {
currentState = Idle;
}
else {
- qWarning( "Async handled in weird state" );
+ owarn << "Async handled in weird state" << oendl;
currentState = oldState;
};
}
void KRFBDecoder::sendKeyPressEvent( QKeyEvent *event )
{
int key;
key = toKeySym( event );
if ( key ) {
key = Swap32IfLE( key );
CARD8 mask = true;
CARD16 padding = 0;
con->write( &KeyEventId, 1 );
con->write( &mask, 1 );
con->write( &padding, 2 );
con->write( &key, 4 );
}
}
void KRFBDecoder::sendKeyReleaseEvent( QKeyEvent *event )
{
int key;
key = toKeySym( event );
if ( key ) {
key = Swap32IfLE( key );
CARD8 mask = false;
CARD16 padding = 0;
con->write( &KeyEventId, 1 );
con->write( &mask, 1 );
con->write( &padding, 2 );
con->write( &key, 4 );
}
}
//
// The RFB protocol spec says 'For most ordinary keys, the 'keysym'
// is the same as the corresponding ASCII value.', but doesn't
// elaborate what the most ordinary keys are. The spec also lists
// a set (possibly subset, it's unspecified) of mappings for
// "other common keys" (backspace, tab, return, escape, etc).
//