void MediaNodePanel::layoutChanged(
int32 layout)
{
D_METHOD(("MediaNodePanel::layoutChanged()\n"));
BPoint p = Frame().LeftTop();
if (m_alternatePosition == s_invalidPosition)
{
m_alternatePosition = dynamic_cast<MediaRoutingView *>
(view())->findFreePositionFor(this);
}
moveTo(m_alternatePosition);
m_alternatePosition = p;
resizeTo(M_DEFAULT_WIDTH, M_DEFAULT_HEIGHT);
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
jack->layoutChanged(layout);
}
_updateIcon(layout);
_prepareLabel();
arrangeIOJacks();
_updateBitmap();
}
void MediaNodePanel::MessageDropped(
BPoint point,
BMessage *message)
{
D_METHOD(("MediaNodePanel::MessageDropped()\n"));
// +++ REALLY BAD WORKAROUND
MediaJack *jack = dynamic_cast<MediaJack *>(ItemUnder(point));
if (jack)
{
jack->MessageDropped(point, message);
return;
}
else
{
be_app->SetCursor(B_HAND_CURSOR);
}
}
void MediaNodePanel::updateIOJacks()
{
D_METHOD(("MediaNodePanel::updateIOJacks()\n"));
// remove all free inputs/outputs, they may be outdated
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
if (jack && !jack->isConnected())
{
RemoveItem(jack);
delete jack;
i--; // account for reindexing in the BList
}
}
// add free inputs
if (ref->kind() & B_BUFFER_CONSUMER)
{
vector<media_input> freeInputs;
ref->getFreeInputs(freeInputs);
for (uint32 i = 0; i < freeInputs.size(); i++)
{
MediaJack *jack;
AddItem(jack = new MediaJack(freeInputs[i]));
}
}
// add free outputs
if (ref->kind() & B_BUFFER_PRODUCER)
{
vector<media_output> freeOutputs;
ref->getFreeOutputs(freeOutputs);
for (uint32 i = 0; i < freeOutputs.size(); i++)
{
MediaJack *jack;
AddItem(jack = new MediaJack(freeOutputs[i]));
}
}
// the supported media types might have changed -> this could
// require changing the icon
_updateIcon(dynamic_cast<MediaRoutingView *>(view())->getLayout());
}
DiagramWire *MediaRoutingView::createWire(
DiagramEndPoint *fromWhich,
DiagramEndPoint *toWhich)
{
D_METHOD(("MediaRoutingView::createWire()\n"));
MediaJack *outputJack, *inputJack;
MediaJack *jack = dynamic_cast<MediaJack *>(fromWhich);
if (jack && jack->isOutput())
{
outputJack = jack;
inputJack = dynamic_cast<MediaJack *>(toWhich);
if (!inputJack || !inputJack->isInput())
{
return 0;
}
}
else
{
inputJack = jack;
outputJack = dynamic_cast<MediaJack *>(toWhich);
if (!outputJack || !outputJack->isOutput())
{
return 0;
}
}
if (!outputJack->isConnected() && !inputJack->isConnected())
{
media_output output;
media_input input;
if ((outputJack->getOutput(&output) == B_OK)
&& (inputJack->getInput(&input) == B_OK))
{
status_t error;
Connection connection;
error = manager->connect(output, input, &connection);
/* if (error)
{
showErrorMessage("Could not connect", error);
}
*/ }
}
return 0;
}
DiagramWire *MediaRoutingView::createWire(
DiagramEndPoint *fromWhich)
{
D_METHOD(("MediaRoutingView::createWire(temp)\n"));
MediaJack *jack = dynamic_cast<MediaJack *>(fromWhich);
if (jack)
{
if (jack->isOutput()) // this is the start point
{
return new MediaWire(jack, true);
}
else
{
return new MediaWire(jack, false);
}
}
return 0;
}
void MediaNodePanel::MouseDown(
BPoint point,
uint32 buttons,
uint32 clicks)
{
D_METHOD(("MediaNodePanel::MouseDown()\n"));
_inherited::MouseDown(point, buttons, clicks);
// +++ REALLY BAD WORKAROUND
MediaJack *jack = dynamic_cast<MediaJack *>(_LastItemUnder());
if (jack && jack->Frame().Contains(point))
{
return;
}
switch (buttons) {
case B_PRIMARY_MOUSE_BUTTON:
{
if (clicks == 2) {
if (ref->kind() & B_CONTROLLABLE) {
BMessage message(MediaRoutingView::M_NODE_TWEAK_PARAMETERS);
DiagramView* v = view();
BMessenger(v).SendMessage(&message);
}
}
break;
}
case B_SECONDARY_MOUSE_BUTTON:
{
if (clicks == 1) {
showContextMenu(point);
}
break;
}
}
}
void MediaNodePanel::arrangeIOJacks()
{
D_METHOD(("MediaNodePanel::arrangeIOJacks()\n"));
SortItems(DiagramItem::M_ENDPOINT, &compareTypeAndID);
switch (dynamic_cast<MediaRoutingView *>(view())->getLayout())
{
case MediaRoutingView::M_ICON_VIEW:
{
BRegion updateRegion;
float align = 1.0;
view()->GetItemAlignment(0, &align);
// adjust this panel's size
int32 numInputs = 0, numOutputs = 0;
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
if (jack)
{
if (jack->isInput())
{
numInputs++;
}
if (jack->isOutput())
{
numOutputs++;
}
}
}
float minHeight = MediaJack::M_DEFAULT_HEIGHT + MediaJack::M_DEFAULT_GAP;
minHeight *= numInputs > numOutputs ? numInputs : numOutputs;
minHeight += m_labelRect.Height();
minHeight += 2 * MediaJack::M_DEFAULT_GAP;
minHeight = ((int)minHeight / (int)align) * align + align;
if ((Frame().Height() < minHeight)
|| ((Frame().Height() > minHeight)
&& (minHeight >= MediaNodePanel::M_DEFAULT_HEIGHT)))
{
updateRegion.Include(Frame());
resizeTo(Frame().Width(), minHeight);
updateRegion.Include(Frame());
_prepareLabel();
}
// adjust the placement of the jacks
BRect r = m_bodyRect;
r.bottom -= M_BODY_V_MARGIN;
float inputOffset = 0.0, outputOffset = 0.0;
float center = Frame().top + r.top + (r.Height() / 2.0);
center += MediaJack::M_DEFAULT_GAP - (MediaJack::M_DEFAULT_HEIGHT / 2.0);
center = ((int)center / (int)align) * align;
if (numInputs)
{
if (numInputs % 2) // odd number of inputs
{
inputOffset = center - (numInputs / 2) * (MediaJack::M_DEFAULT_HEIGHT + MediaJack::M_DEFAULT_GAP);
}
else // even number of inputs
{
inputOffset = center - ((numInputs + 1) / 2) * (MediaJack::M_DEFAULT_HEIGHT + MediaJack::M_DEFAULT_GAP);
}
}
if (numOutputs)
{
if (numOutputs % 2) // odd number of outputs
{
outputOffset = center - (numOutputs / 2) * (MediaJack::M_DEFAULT_HEIGHT + MediaJack::M_DEFAULT_GAP);
}
else // even number of outputs
{
outputOffset = center - ((numOutputs + 1) / 2) * (MediaJack::M_DEFAULT_HEIGHT + MediaJack::M_DEFAULT_GAP);
}
}
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
if (jack)
{
if (jack->isInput())
{
jack->setPosition(inputOffset, Frame().left, Frame().right, &updateRegion);
inputOffset += jack->Frame().Height() + MediaJack::M_DEFAULT_GAP;
}
if (jack->isOutput())
{
jack->setPosition(outputOffset, Frame().left, Frame().right, &updateRegion);
outputOffset += jack->Frame().Height() + MediaJack::M_DEFAULT_GAP;
}
}
}
for (int32 i = 0; i < updateRegion.CountRects(); i++)
{
view()->Invalidate(updateRegion.RectAt(i));
}
break;
}
case MediaRoutingView::M_MINI_ICON_VIEW:
{
BRegion updateRegion;
float align = 1.0;
view()->GetItemAlignment(&align, 0);
// adjust this panel's size
int32 numInputs = 0, numOutputs = 0;
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
if (jack)
{
if (jack->isInput())
{
numInputs++;
}
if (jack->isOutput())
{
numOutputs++;
}
}
}
float minWidth = MediaJack::M_DEFAULT_WIDTH + MediaJack::M_DEFAULT_GAP;
minWidth *= numInputs > numOutputs ? numInputs : numOutputs;
minWidth += m_bodyRect.Width();
minWidth += 2 * MediaJack::M_DEFAULT_GAP;
minWidth = ((int)minWidth / (int)align) * align + align;
if ((Frame().Width() < minWidth)
|| ((Frame().Width() > minWidth)
&& (minWidth >= MediaNodePanel::M_DEFAULT_WIDTH)))
{
updateRegion.Include(Frame());
resizeTo(minWidth, Frame().Height());
updateRegion.Include(Frame());
_prepareLabel();
}
// adjust the placement of the jacks
float inputOffset = 0.0, outputOffset = 0.0;
float center = Frame().left + m_labelRect.left + (m_labelRect.Width() / 2.0);
center += MediaJack::M_DEFAULT_GAP - (MediaJack::M_DEFAULT_WIDTH / 2.0);
center = ((int)center / (int)align) * align;
if (numInputs)
{
if (numInputs % 2) // odd number of inputs
{
inputOffset = center - (numInputs / 2) * (MediaJack::M_DEFAULT_WIDTH + MediaJack::M_DEFAULT_GAP);
}
else // even number of inputs
{
inputOffset = center - ((numInputs + 1) / 2) * (MediaJack::M_DEFAULT_WIDTH + MediaJack::M_DEFAULT_GAP);
}
}
if (numOutputs)
{
if (numOutputs % 2) // odd number of outputs
{
outputOffset = center - (numOutputs / 2) * (MediaJack::M_DEFAULT_WIDTH + MediaJack::M_DEFAULT_GAP);
}
else // even number of outputs
{
outputOffset = center - ((numOutputs + 1) / 2) * (MediaJack::M_DEFAULT_WIDTH + MediaJack::M_DEFAULT_GAP);
}
}
for (uint32 i = 0; i < CountItems(); i++)
{
MediaJack *jack = dynamic_cast<MediaJack *>(ItemAt(i));
if (jack)
{
if (jack->isInput())
{
jack->setPosition(inputOffset, Frame().top, Frame().bottom, &updateRegion);
inputOffset += jack->Frame().Width() + MediaJack::M_DEFAULT_GAP;
}
if (jack->isOutput())
{
jack->setPosition(outputOffset, Frame().top, Frame().bottom, &updateRegion);
outputOffset += jack->Frame().Width() + MediaJack::M_DEFAULT_GAP;
}
}
}
for (int32 i = 0; i < updateRegion.CountRects(); i++)
{
view()->Invalidate(updateRegion.RectAt(i));
}
break;
}
}
_updateBitmap();
}
