static void* pyFF_maybeCallCVPreserveState( PyFF_Glyph *self )
{
if( !inPythonStartedCollabSession )
return 0;
#ifndef BUILD_COLLAB
return 0;
#else
CharView* cv = 0;
static GHashTable* ht = 0;
if( !ht )
{
ht = g_hash_table_new( g_direct_hash, g_direct_equal );
}
fprintf(stderr,"hash size:%d\n", g_hash_table_size(ht));
gpointer cache = g_hash_table_lookup( ht, self->sc );
if( cache )
{
return cache;
}
SplineFont *sf = self->sc->parent;
FontView* fv = (FontView*)FontViewFind( FontViewFind_bySplineFont, sf );
if( !fv )
{
fprintf(stderr,"Collab error: can not find fontview for the SplineFont of the active char\n");
}
else
{
int old_no_windowing_ui = no_windowing_ui;
no_windowing_ui = 0;
// FIXME: need to find the existing cv if available!
cv = CharViewCreate( self->sc, fv, -1 );
g_hash_table_insert( ht, self->sc, cv );
fprintf(stderr,"added... hash size:%d\n", g_hash_table_size(ht));
CVPreserveState( &cv->b );
collabclient_CVPreserveStateCalled( &cv->b );
no_windowing_ui = old_no_windowing_ui;
printf("called CVPreserveState()\n");
}
return cv;
#endif
}
void collabclient_free( void** ccvp )
{
#ifdef BUILD_COLLAB
cloneclient_t* cc = (cloneclient_t*)*ccvp;
if( !cc )
return;
if( cc->magic_number != MAGIC_VALUE )
{
fprintf(stderr,"collabclient_free() called on an invalid client object!\n");
return;
}
cc->magic_number = MAGIC_VALUE + 1;
{
int fd = 0;
size_t fdsz = sizeof(fd);
int rc = zmq_getsockopt( cc->subscriber, ZMQ_FD, &fd, &fdsz );
GDrawRemoveReadFD( 0, fd, cc );
}
zsocket_destroy( cc->ctx, cc->snapshot );
zsocket_destroy( cc->ctx, cc->subscriber );
zsocket_destroy( cc->ctx, cc->publisher );
BackgroundTimer_remove( cc->roundTripTimer );
FontView* fv = FontViewFind( FontViewFind_byCollabPtr, cc );
if( fv )
{
fv->b.collabClient = 0;
}
zhash_destroy (&cc->kvmap);
free(cc->address);
free(cc);
*ccvp = 0;
#endif
}
/**
* A timeout function which is called after a given idle period to
* alert the user if we have not received a reply from the server yet.
*
* If we don't get a reply in time then the user experience will
* suffer greatly (UI elements jumping around etc) so we ask the user
* if they want to start again or disconnect.
*/
static void collabclient_roundTripTimer( void* ccvp )
{
cloneclient_t *cc = (cloneclient_t*)ccvp;
// printf("collabclient_roundTripTimer() cc: %p\n", cc );
// printf("collabclient_roundTripTimer() waitingseq: %d\n", cc->roundTripTimerWaitingSeq );
if( cc->roundTripTimerWaitingSeq )
{
cc->roundTripTimerWaitingSeq = 0;
char *buts[3];
buts[0] = _("_Reconnect");
buts[1] = _("_Disconnect");
buts[2] = NULL;
if ( gwwv_ask(_("Network Issue"),
(const char **) buts,0,1,
_("FontForge expected some input from the server by now.\nWould you like to try to reconnect to the collaboration session?"))==1 )
{
// break session
FontView* fv = FontViewFind( FontViewFind_byCollabPtr, cc );
if( fv )
{
printf("fv:%p\n", fv );
fv->b.collabState = cs_disconnected;
fv->b.collabClient = 0;
FVTitleUpdate( &fv->b );
}
collabclient_free( (void**)&cc );
return;
}
collabclient_sessionReconnect( cc );
}
}
/**
* Process the given kvmsg from the server. If create is set and we do
* not have any charview for a changed glyph then we first create a
* charview for it. This allows the updates from a server to be
* processed at startup time, getting us up to speed with any glyphs
* that have changed.
*
* This function is mainly called in response to an update which is
* published from the server. However, in sessionJoin() we also call
* here to handle the incremental updates to glyphs that have occurred
* after the SFD was sent to the server.
*/
static void zeromq_subscriber_process_update( cloneclient_t* cc, kvmsg_t *kvmsg, int create )
{
cc->sequence = kvmsg_sequence (kvmsg);
if( cc->sequence >= cc->roundTripTimerWaitingSeq )
cc->roundTripTimerWaitingSeq = 0;
char* uuid = kvmsg_get_prop (kvmsg, "uuid" );
byte* data = kvmsg_body (kvmsg);
size_t data_size = kvmsg_size (kvmsg);
printf("cc process_update() uuid:%s\n", uuid );
FontView* fv = FontViewFind( FontViewFind_byXUIDConnected, uuid );
printf("fv:%p\n", fv );
if( fv )
{
if( !data_size )
{
printf("WARNING: zero length message!\n" );
return;
}
SplineFont *sf = fv->b.sf;
if( !sf )
{
printf("ERROR: font view does not have the splinefont set!\n" );
return;
}
char* pos = kvmsg_get_prop (kvmsg, "pos" );
char* name = kvmsg_get_prop (kvmsg, "name" );
printf("pos:%s\n", pos );
// SplineChar *sc = sf->glyphs[ atoi(pos) ];
SplineChar* sc = SFGetOrMakeChar( sf, -1, name );
printf("sc:%p\n", sc );
if( !sc )
{
printf("WARNING: font view does not have a glyph for pos:%s\n", pos );
printf("WARNING: font view does not have a glyph for name:%s\n", name );
return;
}
printf("sc.name:%s\n", sc->name );
printf("data.size:%ld\n", data_size );
if( DEBUG_SHOW_SFD_CHUNKS )
printf("data:%s\n", data );
int current_layer = 0;
if( !sc->views && create )
{
int show = 0;
CharView* cv = CharViewCreateExtended( sc, fv, -1, show );
printf("created charview:%p\n", cv );
}
for( CharViewBase* cv = sc->views; cv; cv = cv->next )
{
printf("have charview:%p\n", cv );
char filename[PATH_MAX];
snprintf(filename, PATH_MAX, "%s/fontforge-collab-inx-%d.sfd", getTempDir(), getpid() );
GFileWriteAll( filename, (char*)data);
FILE* file = fopen( filename, "rb" );
Undoes* undo = SFDGetUndo( sf, file, sc,
"UndoOperation",
"EndUndoOperation",
current_layer );
fclose(file);
if( !undo )
{
printf("***** ERROR ****** reading back undo instance!\n");
printf("data: %s\n\n", data );
}
if( undo )
{
// NOT HANDLED!
if( undo->undotype == ut_statehint )
{
printf("*** warning ut_statehint not handled\n");
break;
}
printf("________________________ READ undo.layer: %d dm:%d layer_sz:%d\n",
undo->layer, cv->drawmode, cv->sc->layer_cnt );
int selectedlayer = cv->drawmode;
if( undo->layer != UNDO_LAYER_UNKNOWN )
selectedlayer = undo->layer;
// use oldlayer to store current setting and switch to the
// selected layer for this block.
int oldlayer = cv->drawmode;
cv->drawmode = selectedlayer;
undo->next = 0;
undo->next = cv->layerheads[selectedlayer]->redoes;
cv->layerheads[selectedlayer]->redoes = undo;
CVDoRedo( cv );
char* isLocalUndo = kvmsg_get_prop (kvmsg, "isLocalUndo" );
if( isLocalUndo )
{
if( isLocalUndo[0] == '1' )
{
Undoes* undo = cv->layerheads[selectedlayer]->undoes;
if( undo )
{
cv->layerheads[selectedlayer]->undoes = undo->next;
undo->next = cv->layerheads[selectedlayer]->redoes;
cv->layerheads[selectedlayer]->redoes = undo;
}
}
}
if( cv->drawmode != oldlayer )
{
cv->drawmode = oldlayer;
CVCharChangedUpdate( cv );
}
}
break;
}
}
printf ("I: processed update=%d\n", (int) cc->sequence);
}