void
BMidiPort::ScanDevices()
{
EmptyDeviceList();
int32 id = 0;
BMidiEndpoint* endp;
while ((endp = BMidiRoster::NextEndpoint(&id)) != NULL) {
// Each hardware port has two endpoints associated with it, a consumer
// and a producer. Both have the same name, so we add only one of them.
bool addItem = true;
for (int32 t = 0; t < fDevices->CountItems(); ++t) {
BMidiEndpoint* other = (BMidiEndpoint*) fDevices->ItemAt(t);
if (strcmp(endp->Name(), other->Name()) == 0) {
addItem = false;
break;
}
}
if (addItem) {
fDevices->AddItem(endp);
} else {
endp->Release();
}
}
}
void MidiPlayerWindow::MenusBeginning()
{
for (int32 t = inputPopUp->CountItems() - 1; t > 0; --t)
{
delete inputPopUp->RemoveItem(t);
}
// Note: if the selected endpoint no longer exists, then no endpoint is
// marked. However, we won't disconnect it until you choose another one.
inputOff->SetMarked(inputId == -1);
int32 id = 0;
BMidiEndpoint* endp;
while ((endp = BMidiRoster::NextEndpoint(&id)) != NULL)
{
if (endp->IsProducer())
{
BMessage* msg = new BMessage;
msg->what = MSG_INPUT_CHANGED;
msg->AddInt32("id", id);
BMenuItem* item = new BMenuItem(endp->Name(), msg);
inputPopUp->AddItem(item);
item->SetMarked(inputId == id);
}
endp->Release();
}
}
bool
PatchView::GetToolTipAt(BPoint point, BToolTip** tip)
{
bool found = false;
int32 index = 0;
endpoint_itor begin, end;
int32 size = fConsumers.size();
for (int32 i = 0; !found && i < size; i++) {
BRect r = ColumnIconFrameAt(i);
if (r.Contains(point)) {
begin = fConsumers.begin();
end = fConsumers.end();
found = true;
index = i;
}
}
size = fProducers.size();
for (int32 i = 0; !found && i < size; i++) {
BRect r = RowIconFrameAt(i);
if (r.Contains(point)) {
begin = fProducers.begin();
end = fProducers.end();
found = true;
index = i;
}
}
if (!found)
return false;
endpoint_itor itor;
for (itor = begin; itor != end; itor++, index--)
if (index <= 0)
break;
if (itor == end)
return false;
BMidiRoster* roster = BMidiRoster::MidiRoster();
if (roster == NULL)
return false;
BMidiEndpoint* obj = roster->FindEndpoint(itor->ID());
if (obj == NULL)
return false;
BString str;
str << "<" << obj->ID() << ">: " << obj->Name();
obj->Release();
SetToolTip(str.String());
*tip = ToolTip();
return true;
}
BMidiConsumer*
BMidiRoster::FindConsumer(int32 id, bool localOnly)
{
BMidiEndpoint* endp = FindEndpoint(id, localOnly);
if ((endp != NULL) && !endp->IsConsumer()) {
endp->Release();
endp = NULL;
}
return (BMidiConsumer*) endp;
}
BMidiConsumer*
BMidiRoster::NextConsumer(int32* id)
{
BMidiEndpoint* endp;
while ((endp = NextEndpoint(id)) != NULL) {
if (endp->IsConsumer()) {
return (BMidiConsumer*) endp;
}
endp->Release();
}
return NULL;
}
status_t
BMidiPort::GetDeviceName(int32 n, char* name, size_t bufSize)
{
BMidiEndpoint* endp = (BMidiEndpoint*) fDevices->ItemAt(n);
if (endp == NULL)
return B_BAD_VALUE;
size_t size = strlen(endp->Name());
if (size >= bufSize)
return B_NAME_TOO_LONG;
strcpy(name, endp->Name());
return B_OK;
}
status_t _EndpointList::MidiRegistered(int32 id, AmEndpointType type)
{
BMidiEndpoint* endpoint = BMidiRoster::FindEndpoint(id);
if (!endpoint) {
ArpASSERT(false);
return B_ERROR;
}
if (!endpoint->IsValid() ) return B_ERROR;
BString name = endpoint->Name();
_EndpointRow* p = ParentNamed(name, type);
if (p) return B_OK;
AddEndpoint(endpoint);
return B_OK;
}
EndpointInfo::EndpointInfo(int32 id)
: m_id(id), m_icon(NULL)
{
BMidiRoster* roster = BMidiRoster::MidiRoster();
if (roster) {
BMidiEndpoint* endpoint = roster->FindEndpoint(id);
if (endpoint) {
printf("endpoint %ld = %p\n", id, endpoint);
BMessage msg;
if (endpoint->GetProperties(&msg) == B_OK) {
m_icon = CreateIcon(&msg, DISPLAY_ICON_SIZE);
}
endpoint->Release();
}
}
}
BMidiEndpoint*
BMidiRoster::NextEndpoint(int32* id)
{
BMidiEndpoint* endp = NULL;
if (id != NULL) {
BMidiRosterLooper* looper = MidiRoster()->fLooper;
if (looper->Lock()) {
endp = looper->NextEndpoint(id);
if (endp != NULL) {
endp->Acquire();
}
looper->Unlock();
}
}
return endp;
}
status_t _EndpointList::MidiUnregistered(int32 id, AmEndpointType type)
{
BMidiEndpoint* endpoint = BMidiRoster::FindEndpoint(id);
if (!endpoint) {
ArpASSERT(false);
return B_ERROR;
}
BString name = endpoint->Name();
_EndpointRow* p = ParentNamed(name, type);
if (!p) return B_ERROR;
if (!p->HasChanges() ) {
DeleteRow(p);
} else {
p->SetIsValid(false);
UpdateRow(p);
}
return B_OK;
}
BMidiEndpoint*
BMidiRoster::FindEndpoint(int32 id, bool localOnly)
{
BMidiEndpoint* endp = NULL;
BMidiRosterLooper* looper = MidiRoster()->fLooper;
if (looper->Lock()) {
endp = looper->FindEndpoint(id);
if ((endp != NULL) && endp->IsRemote()) {
if (localOnly || !endp->IsRegistered()) {
endp = NULL;
}
}
if (endp != NULL) {
endp->Acquire();
}
looper->Unlock();
}
return endp;
}
status_t
BMidiPort::Open(const char* name)
{
fStatus = B_ERROR;
if (name != NULL) {
Close();
for (int32 t = 0; t < fDevices->CountItems(); ++t) {
BMidiEndpoint* endp = (BMidiEndpoint*) fDevices->ItemAt(t);
if (strcmp(name, endp->Name()) != 0)
continue;
if (!endp->IsValid()) // still exists?
continue;
if (endp->IsProducer()) {
if (fRemoteSource == NULL)
fRemoteSource = (BMidiProducer*) endp;
} else {
if (fRemoteSink == NULL) {
fRemoteSink = (BMidiConsumer*) endp;
fLocalSource->Connect(fRemoteSink);
}
}
}
if (fRemoteSource != NULL) {
fPortName = strdup(fRemoteSource->Name());
fStatus = B_OK;
} else if (fRemoteSink != NULL) {
fPortName = strdup(fRemoteSink->Name());
fStatus = B_OK;
}
}
return fStatus;
}
