warp-pipe/gui/WarpGraphModel.cpp
2026-02-12 16:52:00 -07:00

1940 lines
60 KiB
C++

#include "WarpGraphModel.h"
#include "VolumeWidgets.h"
#include <QColor>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QVariant>
#include <QtNodes/NodeStyle>
#include <QtNodes/StyleCollection>
#include <cmath>
namespace {
inline int volumeToSlider(float volume) {
return static_cast<int>(std::round(std::cbrt(volume) * 100.0f));
}
}
#include <algorithm>
#include <cmath>
WarpGraphModel::WarpGraphModel(warppipe::Client *client, QObject *parent)
: QtNodes::AbstractGraphModel(), m_client(client) {
if (parent) {
setParent(parent);
}
connect(this, &WarpGraphModel::nodeUpdated, this,
[this](QtNodes::NodeId nodeId) { m_styleCache.erase(nodeId); });
}
QtNodes::NodeId WarpGraphModel::newNodeId() { return m_nextNodeId++; }
std::unordered_set<QtNodes::NodeId> WarpGraphModel::allNodeIds() const {
std::unordered_set<QtNodes::NodeId> ids;
ids.reserve(m_nodes.size());
for (const auto &entry : m_nodes) {
ids.insert(entry.first);
}
return ids;
}
std::unordered_set<QtNodes::ConnectionId>
WarpGraphModel::allConnectionIds(QtNodes::NodeId const nodeId) const {
std::unordered_set<QtNodes::ConnectionId> result;
for (const auto &conn : m_connections) {
if (conn.outNodeId == nodeId || conn.inNodeId == nodeId) {
result.insert(conn);
}
}
return result;
}
std::unordered_set<QtNodes::ConnectionId>
WarpGraphModel::connections(QtNodes::NodeId nodeId,
QtNodes::PortType portType,
QtNodes::PortIndex portIndex) const {
std::unordered_set<QtNodes::ConnectionId> result;
for (const auto &conn : m_connections) {
if (portType == QtNodes::PortType::Out) {
if (conn.outNodeId == nodeId && conn.outPortIndex == portIndex) {
result.insert(conn);
}
} else if (portType == QtNodes::PortType::In) {
if (conn.inNodeId == nodeId && conn.inPortIndex == portIndex) {
result.insert(conn);
}
}
}
return result;
}
bool WarpGraphModel::connectionExists(
QtNodes::ConnectionId const connectionId) const {
return m_connections.find(connectionId) != m_connections.end();
}
QtNodes::NodeId WarpGraphModel::addNode(QString const) {
return newNodeId();
}
bool WarpGraphModel::connectionPossible(
QtNodes::ConnectionId const connectionId) const {
if (!nodeExists(connectionId.outNodeId) ||
!nodeExists(connectionId.inNodeId)) {
return false;
}
if (connectionExists(connectionId)) {
return false;
}
if (m_ghostNodes.count(connectionId.outNodeId) ||
m_ghostNodes.count(connectionId.inNodeId)) {
return false;
}
auto outIt = m_nodes.find(connectionId.outNodeId);
auto inIt = m_nodes.find(connectionId.inNodeId);
if (outIt == m_nodes.end() || inIt == m_nodes.end()) {
return false;
}
auto outIdx = static_cast<size_t>(connectionId.outPortIndex);
auto inIdx = static_cast<size_t>(connectionId.inPortIndex);
if (outIdx >= outIt->second.outputPorts.size()) {
return false;
}
if (inIdx >= inIt->second.inputPorts.size()) {
return false;
}
WarpNodeType outType = classifyNode(outIt->second.info);
WarpNodeType inType = classifyNode(inIt->second.info);
bool outIsVideo = (outType == WarpNodeType::kVideoSource || outType == WarpNodeType::kVideoSink);
bool inIsVideo = (inType == WarpNodeType::kVideoSource || inType == WarpNodeType::kVideoSink);
if (outIsVideo != inIsVideo) {
return false;
}
return true;
}
void WarpGraphModel::addConnection(
QtNodes::ConnectionId const connectionId) {
if (!connectionPossible(connectionId)) {
return;
}
if (m_client) {
auto outGroupIt = m_appGroups.find(connectionId.outNodeId);
auto inGroupIt = m_appGroups.find(connectionId.inNodeId);
std::vector<warppipe::PortId> outPorts;
std::vector<warppipe::PortId> inPorts;
if (outGroupIt != m_appGroups.end()) {
auto mapIt = outGroupIt->second.outputPortMap.find(
static_cast<unsigned>(connectionId.outPortIndex));
if (mapIt != outGroupIt->second.outputPortMap.end())
outPorts = mapIt->second;
} else {
auto outIt = m_nodes.find(connectionId.outNodeId);
if (outIt != m_nodes.end()) {
auto idx = static_cast<size_t>(connectionId.outPortIndex);
if (idx < outIt->second.outputPorts.size())
outPorts.push_back(outIt->second.outputPorts[idx].id);
}
}
if (inGroupIt != m_appGroups.end()) {
auto mapIt = inGroupIt->second.inputPortMap.find(
static_cast<unsigned>(connectionId.inPortIndex));
if (mapIt != inGroupIt->second.inputPortMap.end())
inPorts = mapIt->second;
} else {
auto inIt = m_nodes.find(connectionId.inNodeId);
if (inIt != m_nodes.end()) {
auto idx = static_cast<size_t>(connectionId.inPortIndex);
if (idx < inIt->second.inputPorts.size())
inPorts.push_back(inIt->second.inputPorts[idx].id);
}
}
if (outPorts.empty() || inPorts.empty())
return;
bool anyCreated = false;
for (const auto &outPortId : outPorts) {
for (const auto &inPortId : inPorts) {
auto result = m_client->CreateLink(
outPortId, inPortId, warppipe::LinkOptions{.linger = true});
if (result.ok()) {
m_linkIdToConn.emplace(result.value.id.value, connectionId);
anyCreated = true;
}
}
}
if (!anyCreated)
return;
}
m_connections.insert(connectionId);
Q_EMIT connectionCreated(connectionId);
}
bool WarpGraphModel::nodeExists(QtNodes::NodeId const nodeId) const {
return m_nodes.find(nodeId) != m_nodes.end();
}
QVariant WarpGraphModel::nodeData(QtNodes::NodeId nodeId,
QtNodes::NodeRole role) const {
auto it = m_nodes.find(nodeId);
if (it == m_nodes.end()) {
return QVariant();
}
const auto &data = it->second;
switch (role) {
case QtNodes::NodeRole::Caption: {
QString caption = captionForNode(data.info);
auto groupIt = m_appGroups.find(nodeId);
if (groupIt != m_appGroups.end()) {
int count = static_cast<int>(groupIt->second.memberPwIds.size());
if (count > 1)
caption += QStringLiteral(" (%1 streams)").arg(count);
}
return caption;
}
case QtNodes::NodeRole::CaptionVisible:
return true;
case QtNodes::NodeRole::Position: {
auto posIt = m_positions.find(nodeId);
if (posIt != m_positions.end()) {
return posIt->second;
}
return QPointF(0, 0);
}
case QtNodes::NodeRole::Size: {
auto sizeIt = m_sizes.find(nodeId);
if (sizeIt != m_sizes.end()) {
return sizeIt->second;
}
return estimateNodeSize(data);
}
case QtNodes::NodeRole::InPortCount:
return static_cast<unsigned int>(data.inputPorts.size());
case QtNodes::NodeRole::OutPortCount:
return static_cast<unsigned int>(data.outputPorts.size());
case QtNodes::NodeRole::Type:
return QString("PipeWire");
case QtNodes::NodeRole::Style: {
auto cacheIt = m_styleCache.find(nodeId);
if (cacheIt != m_styleCache.end())
return cacheIt->second;
bool ghost = m_ghostNodes.find(nodeId) != m_ghostNodes.end();
WarpNodeType type = classifyNode(data.info);
QVariant result = styleForNode(type, ghost);
m_styleCache[nodeId] = result;
return result;
}
case QtNodes::NodeRole::Widget: {
auto wIt = m_volumeWidgets.find(nodeId);
if (wIt != m_volumeWidgets.end() && wIt->second)
return QVariant::fromValue(wIt->second.data());
return QVariant::fromValue(static_cast<QWidget *>(nullptr));
}
default:
return QVariant();
}
}
bool WarpGraphModel::setNodeData(QtNodes::NodeId nodeId,
QtNodes::NodeRole role, QVariant value) {
if (!nodeExists(nodeId)) {
return false;
}
if (role == QtNodes::NodeRole::Position) {
m_positions[nodeId] = value.toPointF();
Q_EMIT nodePositionUpdated(nodeId);
return true;
}
if (role == QtNodes::NodeRole::Size) {
m_sizes[nodeId] = value.toSize();
return true;
}
return false;
}
QVariant WarpGraphModel::portData(QtNodes::NodeId nodeId,
QtNodes::PortType portType,
QtNodes::PortIndex portIndex,
QtNodes::PortRole role) const {
auto it = m_nodes.find(nodeId);
if (it == m_nodes.end()) {
return QVariant();
}
const auto &data = it->second;
if (role == QtNodes::PortRole::DataType) {
WarpNodeType ntype = classifyNode(data.info);
if (ntype == WarpNodeType::kVideoSource || ntype == WarpNodeType::kVideoSink)
return QString("video");
return QString("audio");
}
if (role == QtNodes::PortRole::CaptionVisible) {
return true;
}
if (role == QtNodes::PortRole::Caption) {
if (portType == QtNodes::PortType::In) {
auto idx = static_cast<size_t>(portIndex);
if (idx < data.inputPorts.size()) {
return QString::fromStdString(data.inputPorts[idx].name);
}
} else if (portType == QtNodes::PortType::Out) {
auto idx = static_cast<size_t>(portIndex);
if (idx < data.outputPorts.size()) {
return QString::fromStdString(data.outputPorts[idx].name);
}
}
}
if (role == QtNodes::PortRole::ConnectionPolicyRole) {
return QVariant::fromValue(QtNodes::ConnectionPolicy::Many);
}
return QVariant();
}
bool WarpGraphModel::setPortData(QtNodes::NodeId, QtNodes::PortType,
QtNodes::PortIndex, QVariant const &,
QtNodes::PortRole) {
return false;
}
bool WarpGraphModel::deleteConnection(
QtNodes::ConnectionId const connectionId) {
auto it = m_connections.find(connectionId);
if (it == m_connections.end()) {
return false;
}
if (m_client && !m_refreshing) {
std::vector<uint32_t> linksToRemove;
for (const auto &[linkId, connId] : m_linkIdToConn) {
if (connId == connectionId)
linksToRemove.push_back(linkId);
}
for (uint32_t linkId : linksToRemove) {
m_client->RemoveLink(warppipe::LinkId{linkId});
m_linkIdToConn.erase(linkId);
}
}
m_connections.erase(it);
Q_EMIT connectionDeleted(connectionId);
return true;
}
bool WarpGraphModel::deleteNode(QtNodes::NodeId const nodeId) {
if (!nodeExists(nodeId)) {
return false;
}
std::vector<QtNodes::ConnectionId> toRemove;
for (const auto &conn : m_connections) {
if (conn.outNodeId == nodeId || conn.inNodeId == nodeId) {
toRemove.push_back(conn);
}
}
for (const auto &conn : toRemove) {
deleteConnection(conn);
}
auto groupIt = m_appGroups.find(nodeId);
if (groupIt != m_appGroups.end()) {
for (uint32_t memberPwId : groupIt->second.memberPwIds)
m_pwToGroupQt.erase(memberPwId);
m_groupKeyToQt.erase(groupIt->second.groupKey);
m_appGroups.erase(groupIt);
}
m_nodes.erase(nodeId);
m_positions.erase(nodeId);
m_sizes.erase(nodeId);
m_volumeStates.erase(nodeId);
m_styleCache.erase(nodeId);
m_volumeWidgets.erase(nodeId);
Q_EMIT nodeDeleted(nodeId);
return true;
}
QJsonObject WarpGraphModel::saveNode(QtNodes::NodeId const nodeId) const {
QJsonObject obj;
obj["id"] = static_cast<qint64>(nodeId);
QPointF pos = nodeData(nodeId, QtNodes::NodeRole::Position).toPointF();
QJsonObject posObj;
posObj["x"] = pos.x();
posObj["y"] = pos.y();
obj["position"] = posObj;
return obj;
}
void WarpGraphModel::loadNode(QJsonObject const &) {}
void WarpGraphModel::rebuildGroupPortMap(QtNodes::NodeId groupQtId) {
auto groupIt = m_appGroups.find(groupQtId);
if (groupIt == m_appGroups.end())
return;
auto &group = groupIt->second;
group.outputPortMap.clear();
group.inputPortMap.clear();
auto nodeIt = m_nodes.find(groupQtId);
if (nodeIt == m_nodes.end())
return;
const auto &canonOut = nodeIt->second.outputPorts;
const auto &canonIn = nodeIt->second.inputPorts;
for (uint32_t memberPwId : group.memberPwIds) {
auto memberPorts = m_client->ListPorts(warppipe::NodeId{memberPwId});
if (!memberPorts.ok())
continue;
for (const auto &port : memberPorts.value) {
if (!port.is_input) {
for (size_t ci = 0; ci < canonOut.size(); ++ci) {
if (port.name == canonOut[ci].name) {
group.outputPortMap[static_cast<unsigned>(ci)].push_back(port.id);
m_portToGroupPort[port.id.value] = {groupQtId,
static_cast<QtNodes::PortIndex>(ci),
false};
break;
}
}
} else {
for (size_t ci = 0; ci < canonIn.size(); ++ci) {
if (port.name == canonIn[ci].name) {
group.inputPortMap[static_cast<unsigned>(ci)].push_back(port.id);
m_portToGroupPort[port.id.value] = {groupQtId,
static_cast<QtNodes::PortIndex>(ci),
true};
break;
}
}
}
}
}
}
void WarpGraphModel::refreshFromClient() {
if (!m_client) {
return;
}
m_refreshing = true;
bool sceneChanged = false;
auto nodesResult = m_client->ListNodes();
if (!nodesResult.ok()) {
m_refreshing = false;
return;
}
std::unordered_set<uint32_t> seenPwIds;
// Phase 1: Separate app streams (to be grouped) from other nodes.
std::unordered_map<std::string, std::vector<warppipe::NodeInfo>> appStreams;
std::vector<warppipe::NodeInfo> nonAppNodes;
for (const auto &nodeInfo : nodesResult.value) {
seenPwIds.insert(nodeInfo.id.value);
WarpNodeType nodeType = classifyNode(nodeInfo);
if (nodeType == WarpNodeType::kApplication) {
if (nodeInfo.name.empty() && nodeInfo.application_name.empty())
continue;
std::string key = appGroupKey(nodeInfo);
if (key.empty())
key = nodeInfo.name;
appStreams[key].push_back(nodeInfo);
} else {
nonAppNodes.push_back(nodeInfo);
}
}
// Phase 2: Process non-app nodes (unchanged logic).
for (const auto &nodeInfo : nonAppNodes) {
auto existing = m_pwToQt.find(nodeInfo.id.value);
if (existing != m_pwToQt.end()) {
QtNodes::NodeId qtId = existing->second;
auto &data = m_nodes[qtId];
bool typeChanged = (data.info.is_virtual != nodeInfo.is_virtual);
data.info = nodeInfo;
if (typeChanged) {
m_styleCache.erase(qtId);
Q_EMIT nodeUpdated(qtId);
}
bool portsMissing =
data.inputPorts.empty() && data.outputPorts.empty();
if (portsMissing) {
auto portsResult = m_client->ListPorts(nodeInfo.id);
if (portsResult.ok() && !portsResult.value.empty()) {
for (const auto &port : portsResult.value) {
if (port.is_input) {
data.inputPorts.push_back(port);
} else {
data.outputPorts.push_back(port);
}
}
std::sort(data.inputPorts.begin(), data.inputPorts.end(),
[](const auto &a, const auto &b) {
return a.name < b.name;
});
std::sort(data.outputPorts.begin(), data.outputPorts.end(),
[](const auto &a, const auto &b) {
return a.name < b.name;
});
Q_EMIT nodeUpdated(qtId);
}
}
if (m_ghostNodes.erase(qtId)) {
std::erase_if(m_ghostConnections, [&](const auto &gc) {
if (gc.outNodeId != qtId && gc.inNodeId != qtId)
return false;
m_connections.erase(gc);
Q_EMIT connectionDeleted(gc);
return true;
});
Q_EMIT nodeUpdated(qtId);
}
continue;
}
// Ghost matching for non-app nodes (rare but possible).
QtNodes::NodeId ghostMatch = 0;
std::string nodeName = nodeInfo.name;
for (const auto &ghostId : m_ghostNodes) {
if (m_appGroups.count(ghostId))
continue;
auto ghostIt = m_nodes.find(ghostId);
if (ghostIt != m_nodes.end() &&
ghostIt->second.info.name == nodeName) {
ghostMatch = ghostId;
break;
}
}
if (ghostMatch != 0) {
m_ghostNodes.erase(ghostMatch);
std::erase_if(m_ghostConnections, [&](const auto &gc) {
if (gc.outNodeId != ghostMatch && gc.inNodeId != ghostMatch)
return false;
m_connections.erase(gc);
Q_EMIT connectionDeleted(gc);
return true;
});
m_pwToQt.emplace(nodeInfo.id.value, ghostMatch);
auto &data = m_nodes[ghostMatch];
data.info = nodeInfo;
auto portsResult = m_client->ListPorts(nodeInfo.id);
if (portsResult.ok()) {
data.inputPorts.clear();
data.outputPorts.clear();
for (const auto &port : portsResult.value) {
if (port.is_input) {
data.inputPorts.push_back(port);
} else {
data.outputPorts.push_back(port);
}
}
std::sort(data.inputPorts.begin(), data.inputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
std::sort(data.outputPorts.begin(), data.outputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
}
Q_EMIT nodeUpdated(ghostMatch);
continue;
}
WarpNodeType nodeType = classifyNode(nodeInfo);
auto portsResult = m_client->ListPorts(nodeInfo.id);
std::vector<warppipe::PortInfo> inputs;
std::vector<warppipe::PortInfo> outputs;
if (portsResult.ok()) {
for (const auto &port : portsResult.value) {
if (port.is_input) {
inputs.push_back(port);
} else {
outputs.push_back(port);
}
}
std::sort(inputs.begin(), inputs.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
std::sort(outputs.begin(), outputs.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
}
QtNodes::NodeId qtId = newNodeId();
WarpNodeData data;
data.info = nodeInfo;
data.inputPorts = std::move(inputs);
data.outputPorts = std::move(outputs);
auto [nodeIt, _] = m_nodes.emplace(qtId, std::move(data));
m_pwToQt.emplace(nodeInfo.id.value, qtId);
auto pendingIt = m_pendingPositions.find(nodeInfo.name);
if (pendingIt != m_pendingPositions.end()) {
m_positions.emplace(qtId, pendingIt->second);
m_pendingPositions.erase(pendingIt);
} else {
auto savedIt = m_savedPositions.find(nodeInfo.name);
if (savedIt != m_savedPositions.end()) {
m_positions.emplace(qtId, savedIt->second);
} else {
QPointF candidate = nextPosition(nodeIt->second);
m_positions.emplace(qtId,
findNonOverlappingPosition(candidate, nodeIt->second));
}
}
if (nodeHasVolume(nodeType)) {
auto *volumeWidget = new NodeVolumeWidget();
m_volumeWidgets[qtId] = volumeWidget;
m_volumeStates[qtId] = {};
}
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
Q_EMIT nodeCreated(qtId);
}
// Phase 3: Process app-stream groups.
std::unordered_set<std::string> seenGroupKeys;
for (auto &[key, members] : appStreams) {
seenGroupKeys.insert(key);
auto existingGroup = m_groupKeyToQt.find(key);
if (existingGroup != m_groupKeyToQt.end()) {
// Group already exists — update membership.
QtNodes::NodeId groupQtId = existingGroup->second;
auto &group = m_appGroups[groupQtId];
// Clear old reverse mappings.
for (uint32_t oldPwId : group.memberPwIds)
m_pwToGroupQt.erase(oldPwId);
group.memberPwIds.clear();
for (const auto &m : members) {
group.memberPwIds.push_back(m.id.value);
m_pwToGroupQt[m.id.value] = groupQtId;
}
// Derive canonical ports from first member if node has no ports yet.
auto &nodeData = m_nodes[groupQtId];
nodeData.info = members.front();
nodeData.info.id = warppipe::NodeId{0};
bool portsMissing =
nodeData.inputPorts.empty() && nodeData.outputPorts.empty();
if (portsMissing && !members.empty()) {
auto portsResult = m_client->ListPorts(members.front().id);
if (portsResult.ok()) {
for (const auto &port : portsResult.value) {
warppipe::PortInfo canonical = port;
canonical.id = warppipe::PortId{0};
canonical.node = warppipe::NodeId{0};
if (port.is_input)
nodeData.inputPorts.push_back(canonical);
else
nodeData.outputPorts.push_back(canonical);
}
std::sort(nodeData.inputPorts.begin(), nodeData.inputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
std::sort(nodeData.outputPorts.begin(), nodeData.outputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
}
}
// Un-ghost if it was ghosted.
if (m_ghostNodes.erase(groupQtId)) {
std::erase_if(m_ghostConnections, [&](const auto &gc) {
if (gc.outNodeId != groupQtId && gc.inNodeId != groupQtId)
return false;
m_connections.erase(gc);
Q_EMIT connectionDeleted(gc);
return true;
});
Q_EMIT nodeUpdated(groupQtId);
}
rebuildGroupPortMap(groupQtId);
Q_EMIT nodeUpdated(groupQtId);
continue;
}
// Check if any member was previously an individual node — migrate it.
QtNodes::NodeId migratedQtId = 0;
QPointF migratedPos;
for (const auto &m : members) {
auto indvIt = m_pwToQt.find(m.id.value);
if (indvIt != m_pwToQt.end()) {
if (migratedQtId == 0) {
migratedQtId = indvIt->second;
auto posIt = m_positions.find(migratedQtId);
if (posIt != m_positions.end())
migratedPos = posIt->second;
}
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
QtNodes::NodeId oldQt = indvIt->second;
m_pwToQt.erase(indvIt);
deleteNode(oldQt);
}
}
// Check for a ghost group match.
QtNodes::NodeId ghostMatch = 0;
std::string groupLayoutKey = "group:" + key;
for (const auto &ghostId : m_ghostNodes) {
if (m_appGroups.count(ghostId)) {
auto &gd = m_appGroups[ghostId];
if (gd.groupKey == key) {
ghostMatch = ghostId;
break;
}
}
}
if (ghostMatch != 0) {
m_ghostNodes.erase(ghostMatch);
std::erase_if(m_ghostConnections, [&](const auto &gc) {
if (gc.outNodeId != ghostMatch && gc.inNodeId != ghostMatch)
return false;
m_connections.erase(gc);
Q_EMIT connectionDeleted(gc);
return true;
});
auto &group = m_appGroups[ghostMatch];
for (uint32_t oldPwId : group.memberPwIds)
m_pwToGroupQt.erase(oldPwId);
group.memberPwIds.clear();
for (const auto &m : members) {
group.memberPwIds.push_back(m.id.value);
m_pwToGroupQt[m.id.value] = ghostMatch;
}
auto &nodeData = m_nodes[ghostMatch];
nodeData.info = members.front();
nodeData.info.id = warppipe::NodeId{0};
auto portsResult = m_client->ListPorts(members.front().id);
if (portsResult.ok()) {
nodeData.inputPorts.clear();
nodeData.outputPorts.clear();
for (const auto &port : portsResult.value) {
warppipe::PortInfo canonical = port;
canonical.id = warppipe::PortId{0};
canonical.node = warppipe::NodeId{0};
if (port.is_input)
nodeData.inputPorts.push_back(canonical);
else
nodeData.outputPorts.push_back(canonical);
}
std::sort(nodeData.inputPorts.begin(), nodeData.inputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
std::sort(nodeData.outputPorts.begin(), nodeData.outputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
}
m_groupKeyToQt[key] = ghostMatch;
rebuildGroupPortMap(ghostMatch);
Q_EMIT nodeUpdated(ghostMatch);
continue;
}
// Create new group visual node.
QtNodes::NodeId groupQtId = newNodeId();
warppipe::NodeInfo synth = members.front();
synth.id = warppipe::NodeId{0};
WarpNodeData data;
data.info = synth;
// Derive canonical ports from first member.
auto portsResult = m_client->ListPorts(members.front().id);
if (portsResult.ok()) {
for (const auto &port : portsResult.value) {
warppipe::PortInfo canonical = port;
canonical.id = warppipe::PortId{0};
canonical.node = warppipe::NodeId{0};
if (port.is_input)
data.inputPorts.push_back(canonical);
else
data.outputPorts.push_back(canonical);
}
std::sort(data.inputPorts.begin(), data.inputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
std::sort(data.outputPorts.begin(), data.outputPorts.end(),
[](const auto &a, const auto &b) { return a.name < b.name; });
}
m_nodes.emplace(groupQtId, std::move(data));
AppGroupData group;
group.groupKey = key;
for (const auto &m : members) {
group.memberPwIds.push_back(m.id.value);
m_pwToGroupQt[m.id.value] = groupQtId;
}
m_appGroups[groupQtId] = std::move(group);
m_groupKeyToQt[key] = groupQtId;
// Position: migrated, pending, saved, or auto.
if (migratedQtId != 0) {
m_positions.emplace(groupQtId, migratedPos);
} else {
auto pendingIt = m_pendingPositions.find(groupLayoutKey);
if (pendingIt != m_pendingPositions.end()) {
m_positions.emplace(groupQtId, pendingIt->second);
m_pendingPositions.erase(pendingIt);
} else {
auto savedIt = m_savedPositions.find(groupLayoutKey);
if (savedIt != m_savedPositions.end()) {
m_positions.emplace(groupQtId, savedIt->second);
} else {
auto savedByKey = m_savedPositions.find(key);
if (savedByKey != m_savedPositions.end()) {
m_positions.emplace(groupQtId, savedByKey->second);
} else {
QPointF candidate = nextPosition(m_nodes[groupQtId]);
m_positions.emplace(
groupQtId,
findNonOverlappingPosition(candidate, m_nodes[groupQtId]));
}
}
}
}
auto *volumeWidget = new NodeVolumeWidget();
m_volumeWidgets[groupQtId] = volumeWidget;
m_volumeStates[groupQtId] = {};
rebuildGroupPortMap(groupQtId);
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
Q_EMIT nodeCreated(groupQtId);
}
// Phase 4a: Handle disappeared non-app PW IDs.
std::vector<uint32_t> disappearedPwIds;
for (const auto &[pwId, qtId] : m_pwToQt) {
if (seenPwIds.find(pwId) == seenPwIds.end()) {
disappearedPwIds.push_back(pwId);
}
}
for (uint32_t pwId : disappearedPwIds) {
auto it = m_pwToQt.find(pwId);
if (it == m_pwToQt.end())
continue;
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
QtNodes::NodeId qtId = it->second;
m_pwToQt.erase(it);
if (m_nodes.count(qtId))
deleteNode(qtId);
}
// Phase 4b: Handle disappeared group PW members.
std::vector<uint32_t> disappearedGroupPwIds;
for (const auto &[pwId, groupQtId] : m_pwToGroupQt) {
if (seenPwIds.find(pwId) == seenPwIds.end())
disappearedGroupPwIds.push_back(pwId);
}
for (uint32_t pwId : disappearedGroupPwIds) {
auto it = m_pwToGroupQt.find(pwId);
if (it == m_pwToGroupQt.end())
continue;
QtNodes::NodeId groupQtId = it->second;
m_pwToGroupQt.erase(it);
auto groupIt = m_appGroups.find(groupQtId);
if (groupIt != m_appGroups.end()) {
bool anyMemberAlive = false;
for (uint32_t mid : groupIt->second.memberPwIds) {
if (mid != pwId && m_pwToGroupQt.count(mid))
anyMemberAlive = true;
}
if (!anyMemberAlive) {
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
m_ghostNodes.insert(groupQtId);
Q_EMIT nodeUpdated(groupQtId);
} else {
auto &memberIds = groupIt->second.memberPwIds;
memberIds.erase(
std::remove(memberIds.begin(), memberIds.end(), pwId),
memberIds.end());
rebuildGroupPortMap(groupQtId);
Q_EMIT nodeUpdated(groupQtId);
}
}
}
// Phase 4c: Remove groups whose keys no longer appear.
std::vector<std::string> staleGroupKeys;
for (const auto &[key, groupQtId] : m_groupKeyToQt) {
if (seenGroupKeys.find(key) == seenGroupKeys.end()) {
auto groupIt = m_appGroups.find(groupQtId);
if (groupIt != m_appGroups.end() && groupIt->second.memberPwIds.empty()) {
staleGroupKeys.push_back(key);
}
}
}
for (const auto &key : staleGroupKeys) {
auto it = m_groupKeyToQt.find(key);
if (it == m_groupKeyToQt.end())
continue;
QtNodes::NodeId groupQtId = it->second;
bool alreadyGhost = m_ghostNodes.count(groupQtId) > 0;
if (!alreadyGhost) {
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
m_ghostNodes.insert(groupQtId);
Q_EMIT nodeUpdated(groupQtId);
}
}
// Phase 5: Sync links.
auto linksResult = m_client->ListLinks();
if (linksResult.ok()) {
std::unordered_set<uint32_t> seenLinkIds;
for (const auto &link : linksResult.value) {
seenLinkIds.insert(link.id.value);
if (m_linkIdToConn.find(link.id.value) != m_linkIdToConn.end())
continue;
QtNodes::NodeId outQtId = 0;
QtNodes::NodeId inQtId = 0;
QtNodes::PortIndex outPortIdx = 0;
QtNodes::PortIndex inPortIdx = 0;
bool outFound = false;
bool inFound = false;
// Check group port map first.
auto outGroupIt = m_portToGroupPort.find(link.output_port.value);
if (outGroupIt != m_portToGroupPort.end() && !outGroupIt->second.isInput) {
outQtId = outGroupIt->second.groupQtId;
outPortIdx = outGroupIt->second.portIndex;
outFound = true;
}
auto inGroupIt = m_portToGroupPort.find(link.input_port.value);
if (inGroupIt != m_portToGroupPort.end() && inGroupIt->second.isInput) {
inQtId = inGroupIt->second.groupQtId;
inPortIdx = inGroupIt->second.portIndex;
inFound = true;
}
// Fall back to individual node port scan.
if (!outFound || !inFound) {
for (const auto &[qtId, nodeData] : m_nodes) {
if (m_appGroups.count(qtId))
continue;
if (!outFound) {
for (size_t i = 0; i < nodeData.outputPorts.size(); ++i) {
if (nodeData.outputPorts[i].id.value == link.output_port.value) {
auto pwIt = m_pwToQt.find(nodeData.info.id.value);
if (pwIt != m_pwToQt.end()) {
outQtId = pwIt->second;
outPortIdx = static_cast<QtNodes::PortIndex>(i);
outFound = true;
}
break;
}
}
}
if (!inFound) {
for (size_t i = 0; i < nodeData.inputPorts.size(); ++i) {
if (nodeData.inputPorts[i].id.value == link.input_port.value) {
auto pwIt = m_pwToQt.find(nodeData.info.id.value);
if (pwIt != m_pwToQt.end()) {
inQtId = pwIt->second;
inPortIdx = static_cast<QtNodes::PortIndex>(i);
inFound = true;
}
break;
}
}
}
if (outFound && inFound)
break;
}
}
if (outFound && inFound) {
QtNodes::ConnectionId connId{outQtId, outPortIdx, inQtId, inPortIdx};
if (m_connections.find(connId) == m_connections.end()) {
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
m_connections.insert(connId);
Q_EMIT connectionCreated(connId);
}
m_linkIdToConn.emplace(link.id.value, connId);
}
}
std::vector<uint32_t> staleLinkIds;
for (const auto &[linkId, connId] : m_linkIdToConn) {
if (seenLinkIds.find(linkId) == seenLinkIds.end())
staleLinkIds.push_back(linkId);
}
for (uint32_t linkId : staleLinkIds) {
auto it = m_linkIdToConn.find(linkId);
if (it == m_linkIdToConn.end())
continue;
QtNodes::ConnectionId connId = it->second;
m_linkIdToConn.erase(it);
// Only remove visual connection if no other PW links map to it.
bool otherLinkExists = false;
for (const auto &[otherId, otherConn] : m_linkIdToConn) {
if (otherConn == connId) {
otherLinkExists = true;
break;
}
}
if (!otherLinkExists) {
bool outIsGhost =
m_ghostNodes.find(connId.outNodeId) != m_ghostNodes.end();
bool inIsGhost =
m_ghostNodes.find(connId.inNodeId) != m_ghostNodes.end();
if (outIsGhost || inIsGhost)
m_ghostConnections.insert(connId);
auto connIt = m_connections.find(connId);
if (connIt != m_connections.end()) {
if (!sceneChanged) {
sceneChanged = true;
Q_EMIT beginBatchUpdate();
}
m_connections.erase(connIt);
Q_EMIT connectionDeleted(connId);
}
}
}
}
// Phase 6: Pending ghost connections.
if (!m_pendingGhostConnections.empty()) {
auto it = m_pendingGhostConnections.begin();
while (it != m_pendingGhostConnections.end()) {
QtNodes::NodeId outQtId = 0;
QtNodes::NodeId inQtId = 0;
for (const auto &[qtId, data] : m_nodes) {
if (data.info.name == it->outNodeName)
outQtId = qtId;
if (data.info.name == it->inNodeName)
inQtId = qtId;
}
if (outQtId == 0 || inQtId == 0) {
++it;
continue;
}
auto outNodeIt = m_nodes.find(outQtId);
auto inNodeIt = m_nodes.find(inQtId);
QtNodes::PortIndex outIdx = -1;
QtNodes::PortIndex inIdx = -1;
for (size_t i = 0; i < outNodeIt->second.outputPorts.size(); ++i) {
if (outNodeIt->second.outputPorts[i].name == it->outPortName) {
outIdx = static_cast<QtNodes::PortIndex>(i);
break;
}
}
for (size_t i = 0; i < inNodeIt->second.inputPorts.size(); ++i) {
if (inNodeIt->second.inputPorts[i].name == it->inPortName) {
inIdx = static_cast<QtNodes::PortIndex>(i);
break;
}
}
if (outIdx < 0 || inIdx < 0) {
++it;
continue;
}
QtNodes::ConnectionId connId{outQtId, outIdx, inQtId, inIdx};
if (m_ghostConnections.find(connId) == m_ghostConnections.end())
m_ghostConnections.insert(connId);
it = m_pendingGhostConnections.erase(it);
}
}
// Phase 7: Volume sync.
// Non-app nodes.
for (const auto &[pwId, qtId] : m_pwToQt) {
auto volResult = m_client->GetNodeVolume(warppipe::NodeId{pwId});
if (!volResult.ok()) continue;
float vol = volResult.value.volume;
bool mute = volResult.value.mute;
int sliderVal = volumeToSlider(vol);
sliderVal = std::clamp(sliderVal, 0, 150);
auto stateIt = m_volumeStates.find(qtId);
if (stateIt == m_volumeStates.end()) continue;
NodeVolumeState &cached = stateIt->second;
bool changed = (std::abs(cached.volume - vol) > 1e-4f) || (cached.mute != mute);
if (!changed) continue;
NodeVolumeState previous = cached;
cached.volume = vol;
cached.mute = mute;
auto wIt = m_volumeWidgets.find(qtId);
if (wIt != m_volumeWidgets.end() && wIt->second) {
auto *vw = static_cast<NodeVolumeWidget *>(wIt->second.data());
if (!vw->isSliderDown()) {
vw->setVolume(sliderVal);
vw->setMuted(mute);
}
}
Q_EMIT nodeVolumeChanged(qtId, previous, cached);
}
// Group nodes: aggregate volume from first member.
for (const auto &[groupQtId, group] : m_appGroups) {
if (group.memberPwIds.empty())
continue;
auto volResult =
m_client->GetNodeVolume(warppipe::NodeId{group.memberPwIds.front()});
if (!volResult.ok())
continue;
float vol = volResult.value.volume;
bool mute = volResult.value.mute;
int sliderVal = volumeToSlider(vol);
sliderVal = std::clamp(sliderVal, 0, 150);
auto stateIt = m_volumeStates.find(groupQtId);
if (stateIt == m_volumeStates.end())
continue;
NodeVolumeState &cached = stateIt->second;
bool changed =
(std::abs(cached.volume - vol) > 1e-4f) || (cached.mute != mute);
if (!changed)
continue;
NodeVolumeState previous = cached;
cached.volume = vol;
cached.mute = mute;
auto wIt = m_volumeWidgets.find(groupQtId);
if (wIt != m_volumeWidgets.end() && wIt->second) {
auto *vw = static_cast<NodeVolumeWidget *>(wIt->second.data());
if (!vw->isSliderDown()) {
vw->setVolume(sliderVal);
vw->setMuted(mute);
}
}
Q_EMIT nodeVolumeChanged(groupQtId, previous, cached);
}
recomputeConnectionChannels();
m_refreshing = false;
if (sceneChanged) {
Q_EMIT endBatchUpdate();
}
}
const WarpNodeData *
WarpGraphModel::warpNodeData(QtNodes::NodeId nodeId) const {
auto it = m_nodes.find(nodeId);
if (it != m_nodes.end()) {
return &it->second;
}
return nullptr;
}
QtNodes::NodeId WarpGraphModel::qtNodeIdForPw(uint32_t pwNodeId) const {
auto it = m_pwToQt.find(pwNodeId);
if (it != m_pwToQt.end())
return it->second;
auto groupIt = m_pwToGroupQt.find(pwNodeId);
if (groupIt != m_pwToGroupQt.end())
return groupIt->second;
return 0;
}
void WarpGraphModel::setPendingPosition(const std::string &nodeName,
QPointF pos) {
m_pendingPositions[nodeName] = pos;
}
QString WarpGraphModel::captionForNode(const warppipe::NodeInfo &info) {
if (!info.description.empty()) {
return QString::fromStdString(info.description);
}
if (!info.application_name.empty() && info.application_name != info.name) {
return QString::fromStdString(info.application_name);
}
return QString::fromStdString(info.name);
}
QSize WarpGraphModel::estimateNodeSize(const WarpNodeData &data) {
int maxPorts = static_cast<int>(
std::max(data.inputPorts.size(), data.outputPorts.size()));
int height = std::max(80, 50 + maxPorts * 28);
QString caption = captionForNode(data.info);
int captionWidth = caption.length() * 8 + 40;
int maxInputLen = 0;
int maxOutputLen = 0;
for (const auto &p : data.inputPorts)
maxInputLen = std::max(maxInputLen, static_cast<int>(p.name.length()));
for (const auto &p : data.outputPorts)
maxOutputLen = std::max(maxOutputLen, static_cast<int>(p.name.length()));
int portWidth = (maxInputLen + maxOutputLen) * 7 + 60;
int width = std::max(180, std::max(captionWidth, portWidth));
return QSize(width, height);
}
QPointF WarpGraphModel::nextPosition(const WarpNodeData &data) {
QSize size = estimateNodeSize(data);
double nodeW = size.width();
double nodeH = size.height();
if (m_nextX + nodeW > kMaxRowWidth && m_nextX > 0) {
m_nextX = 0.0;
m_nextY += m_rowMaxHeight + kVerticalGap;
m_rowMaxHeight = 0.0;
}
QPointF pos(m_nextX, m_nextY);
m_nextX += nodeW + kHorizontalGap;
m_rowMaxHeight = std::max(m_rowMaxHeight, nodeH);
return pos;
}
std::string WarpGraphModel::appGroupKey(const warppipe::NodeInfo &info) {
if (!info.application_name.empty())
return info.application_name;
if (!info.process_binary.empty())
return info.process_binary;
return {};
}
std::optional<QPointF> WarpGraphModel::findAppGroupPosition(const WarpNodeData &data) const {
WarpNodeType type = classifyNode(data.info);
if (type != WarpNodeType::kApplication)
return std::nullopt;
std::string key = appGroupKey(data.info);
if (key.empty())
return std::nullopt;
double lowestBottom = -1.0;
QPointF siblingPos;
bool found = false;
for (const auto &[existingId, existingData] : m_nodes) {
if (classifyNode(existingData.info) != WarpNodeType::kApplication)
continue;
if (appGroupKey(existingData.info) != key)
continue;
auto posIt = m_positions.find(existingId);
if (posIt == m_positions.end())
continue;
QSizeF existingSize;
auto sizeIt = m_sizes.find(existingId);
if (sizeIt != m_sizes.end()) {
existingSize = QSizeF(sizeIt->second);
} else {
existingSize = QSizeF(estimateNodeSize(existingData));
}
double bottom = posIt->second.y() + existingSize.height();
if (bottom > lowestBottom) {
lowestBottom = bottom;
siblingPos = posIt->second;
found = true;
}
}
if (!found)
return std::nullopt;
return QPointF(siblingPos.x(), lowestBottom + kVerticalGap);
}
QPointF WarpGraphModel::findNonOverlappingPosition(QPointF candidate,
const WarpNodeData &data) const {
QSizeF newSize(estimateNodeSize(data));
constexpr int kMaxAttempts = 50;
for (int attempt = 0; attempt < kMaxAttempts; ++attempt) {
QRectF newRect(candidate, newSize);
bool overlaps = false;
for (const auto &[existingId, existingPos] : m_positions) {
auto nodeIt = m_nodes.find(existingId);
if (nodeIt == m_nodes.end())
continue;
QSizeF existingSize;
auto sizeIt = m_sizes.find(existingId);
if (sizeIt != m_sizes.end()) {
existingSize = QSizeF(sizeIt->second);
} else {
existingSize = QSizeF(estimateNodeSize(nodeIt->second));
}
QRectF existingRect(existingPos, existingSize);
QRectF padded = existingRect.adjusted(-kHorizontalGap / 2, -kVerticalGap / 2,
kHorizontalGap / 2, kVerticalGap / 2);
if (newRect.intersects(padded)) {
candidate.setY(existingRect.bottom() + kVerticalGap);
overlaps = true;
break;
}
}
if (!overlaps)
break;
}
return candidate;
}
bool WarpGraphModel::isGhost(QtNodes::NodeId nodeId) const {
return m_ghostNodes.find(nodeId) != m_ghostNodes.end();
}
bool WarpGraphModel::ghostConnectionExists(
QtNodes::ConnectionId connectionId) const {
return m_ghostConnections.find(connectionId) != m_ghostConnections.end();
}
std::unordered_set<QtNodes::ConnectionId>
WarpGraphModel::allGhostConnectionIds(QtNodes::NodeId nodeId) const {
std::unordered_set<QtNodes::ConnectionId> result;
for (const auto &conn : m_ghostConnections) {
if (conn.outNodeId == nodeId || conn.inNodeId == nodeId) {
result.insert(conn);
}
}
return result;
}
uint32_t WarpGraphModel::findPwNodeIdByName(const std::string &name) const {
for (const auto &[qtId, data] : m_nodes) {
if (data.info.name == name) {
if (data.info.id.value != 0)
return data.info.id.value;
auto groupIt = m_appGroups.find(qtId);
if (groupIt != m_appGroups.end() && !groupIt->second.memberPwIds.empty())
return groupIt->second.memberPwIds.front();
}
}
return 0;
}
bool WarpGraphModel::isGroupNode(QtNodes::NodeId nodeId) const {
return m_appGroups.find(nodeId) != m_appGroups.end();
}
const AppGroupData *WarpGraphModel::appGroupData(QtNodes::NodeId nodeId) const {
auto it = m_appGroups.find(nodeId);
return it != m_appGroups.end() ? &it->second : nullptr;
}
WarpNodeType
WarpGraphModel::classifyNode(const warppipe::NodeInfo &info) {
const std::string &mc = info.media_class;
if (mc == "Audio/Sink" || mc == "Audio/Duplex") {
return info.is_virtual ? WarpNodeType::kVirtualSink
: WarpNodeType::kHardwareSink;
}
if (mc == "Audio/Source") {
return info.is_virtual ? WarpNodeType::kVirtualSource
: WarpNodeType::kHardwareSource;
}
if (mc == "Stream/Output/Audio" || mc == "Stream/Input/Audio") {
return WarpNodeType::kApplication;
}
if (mc == "Video/Source") {
return WarpNodeType::kVideoSource;
}
if (mc == "Video/Sink") {
return WarpNodeType::kVideoSink;
}
return WarpNodeType::kUnknown;
}
void WarpGraphModel::setNodeVolumeState(QtNodes::NodeId nodeId,
const NodeVolumeState &state) {
if (!nodeExists(nodeId))
return;
NodeVolumeState previous = m_volumeStates[nodeId];
m_volumeStates[nodeId] = state;
if (m_client) {
auto groupIt = m_appGroups.find(nodeId);
if (groupIt != m_appGroups.end()) {
for (uint32_t memberPwId : groupIt->second.memberPwIds) {
#ifdef WARPPIPE_TESTING
m_client->Test_SetNodeVolume(warppipe::NodeId{memberPwId}, state.volume, state.mute);
#else
m_client->SetNodeVolume(warppipe::NodeId{memberPwId}, state.volume, state.mute);
#endif
}
} else {
auto it = m_nodes.find(nodeId);
if (it != m_nodes.end() && it->second.info.id.value != 0) {
#ifdef WARPPIPE_TESTING
m_client->Test_SetNodeVolume(it->second.info.id, state.volume, state.mute);
#else
m_client->SetNodeVolume(it->second.info.id, state.volume, state.mute);
#endif
}
}
}
auto wIt = m_volumeWidgets.find(nodeId);
if (wIt != m_volumeWidgets.end() && wIt->second) {
auto *w = qobject_cast<NodeVolumeWidget *>(wIt->second.data());
if (w) {
w->setVolume(volumeToSlider(state.volume));
w->setMuted(state.mute);
}
}
Q_EMIT nodeVolumeChanged(nodeId, previous, state);
}
WarpGraphModel::NodeVolumeState
WarpGraphModel::nodeVolumeState(QtNodes::NodeId nodeId) const {
auto it = m_volumeStates.find(nodeId);
if (it != m_volumeStates.end())
return it->second;
return {};
}
void WarpGraphModel::setNodePeakLevel(QtNodes::NodeId nodeId, float level) {
constexpr float kDecay = 0.82f;
float &stored = m_peakLevels[nodeId];
stored = std::max(level, stored * kDecay);
}
float WarpGraphModel::nodePeakLevel(QtNodes::NodeId nodeId) const {
auto it = m_peakLevels.find(nodeId);
return it != m_peakLevels.end() ? it->second : 0.0f;
}
void WarpGraphModel::recomputeConnectionChannels() {
m_connectionChannels.clear();
std::unordered_map<QtNodes::NodeId, std::vector<QtNodes::ConnectionId>> byTarget;
for (const auto &cId : m_connections)
byTarget[cId.inNodeId].push_back(cId);
for (auto &[targetId, conns] : byTarget) {
std::sort(conns.begin(), conns.end(),
[this](const auto &a, const auto &b) {
auto posA = m_positions.count(a.outNodeId)
? m_positions.at(a.outNodeId).y()
: 0.0;
auto posB = m_positions.count(b.outNodeId)
? m_positions.at(b.outNodeId).y()
: 0.0;
if (posA != posB)
return posA < posB;
return a.outPortIndex < b.outPortIndex;
});
int count = static_cast<int>(conns.size());
for (int i = 0; i < count; ++i)
m_connectionChannels[conns[i]] = {i, count};
}
}
WarpGraphModel::ConnectionChannel
WarpGraphModel::connectionChannel(QtNodes::ConnectionId cId) const {
auto it = m_connectionChannels.find(cId);
return it != m_connectionChannels.end() ? it->second
: ConnectionChannel{0, 1};
}
void WarpGraphModel::saveLayout(const QString &path) const {
ViewState vs{};
saveLayout(path, vs);
}
void WarpGraphModel::saveLayout(const QString &path,
const ViewState &viewState) const {
QJsonArray nodesArray;
for (const auto &[qtId, data] : m_nodes) {
auto posIt = m_positions.find(qtId);
if (posIt == m_positions.end())
continue;
QJsonObject nodeObj;
auto groupIt = m_appGroups.find(qtId);
if (groupIt != m_appGroups.end()) {
nodeObj["name"] =
QString::fromStdString("group:" + groupIt->second.groupKey);
} else {
nodeObj["name"] = QString::fromStdString(data.info.name);
}
nodeObj["x"] = posIt->second.x();
nodeObj["y"] = posIt->second.y();
nodesArray.append(nodeObj);
}
QJsonArray ghostsArray;
for (const auto &ghostId : m_ghostNodes) {
auto nodeIt = m_nodes.find(ghostId);
if (nodeIt == m_nodes.end())
continue;
const auto &data = nodeIt->second;
QJsonObject ghostObj;
ghostObj["name"] = QString::fromStdString(data.info.name);
auto ghostGroupIt = m_appGroups.find(ghostId);
if (ghostGroupIt != m_appGroups.end()) {
ghostObj["is_group"] = true;
ghostObj["group_key"] =
QString::fromStdString(ghostGroupIt->second.groupKey);
}
ghostObj["description"] = QString::fromStdString(data.info.description);
ghostObj["media_class"] = QString::fromStdString(data.info.media_class);
ghostObj["application_name"] =
QString::fromStdString(data.info.application_name);
auto posIt = m_positions.find(ghostId);
if (posIt != m_positions.end()) {
ghostObj["x"] = posIt->second.x();
ghostObj["y"] = posIt->second.y();
}
QJsonArray inPorts;
for (const auto &port : data.inputPorts) {
QJsonObject p;
p["id"] = static_cast<int>(port.id.value);
p["name"] = QString::fromStdString(port.name);
inPorts.append(p);
}
ghostObj["input_ports"] = inPorts;
QJsonArray outPorts;
for (const auto &port : data.outputPorts) {
QJsonObject p;
p["id"] = static_cast<int>(port.id.value);
p["name"] = QString::fromStdString(port.name);
outPorts.append(p);
}
ghostObj["output_ports"] = outPorts;
ghostsArray.append(ghostObj);
}
QJsonArray ghostConnsArray;
for (const auto &conn : m_ghostConnections) {
auto outIt = m_nodes.find(conn.outNodeId);
auto inIt = m_nodes.find(conn.inNodeId);
if (outIt == m_nodes.end() || inIt == m_nodes.end()) {
continue;
}
auto outIdx = static_cast<size_t>(conn.outPortIndex);
auto inIdx = static_cast<size_t>(conn.inPortIndex);
if (outIdx >= outIt->second.outputPorts.size() ||
inIdx >= inIt->second.inputPorts.size()) {
continue;
}
QJsonObject connObj;
connObj["out_node"] =
QString::fromStdString(outIt->second.info.name);
connObj["out_port"] =
QString::fromStdString(outIt->second.outputPorts[outIdx].name);
connObj["in_node"] =
QString::fromStdString(inIt->second.info.name);
connObj["in_port"] =
QString::fromStdString(inIt->second.inputPorts[inIdx].name);
ghostConnsArray.append(connObj);
}
QJsonObject root;
root["version"] = 2;
root["nodes"] = nodesArray;
root["ghosts"] = ghostsArray;
root["ghost_connections"] = ghostConnsArray;
if (viewState.valid) {
QJsonObject viewObj;
viewObj["scale"] = viewState.scale;
viewObj["center_x"] = viewState.centerX;
viewObj["center_y"] = viewState.centerY;
if (viewState.splitterGraph > 0 || viewState.splitterSidebar > 0) {
viewObj["splitter_graph"] = viewState.splitterGraph;
viewObj["splitter_sidebar"] = viewState.splitterSidebar;
}
viewObj["connection_style"] = viewState.connectionStyle;
if (viewState.zoomSensitivity > 0.0)
viewObj["zoom_sensitivity"] = viewState.zoomSensitivity;
if (viewState.zoomMin > 0.0)
viewObj["zoom_min"] = viewState.zoomMin;
if (viewState.zoomMax > 0.0)
viewObj["zoom_max"] = viewState.zoomMax;
root["view"] = viewObj;
}
QFileInfo fi(path);
QDir dir = fi.absoluteDir();
if (!dir.exists()) {
dir.mkpath(".");
}
QFile file(path);
if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
file.write(QJsonDocument(root).toJson(QJsonDocument::Compact));
}
}
void WarpGraphModel::clearSavedPositions() {
m_savedPositions.clear();
m_positions.clear();
}
WarpGraphModel::ViewState WarpGraphModel::savedViewState() const {
return m_savedViewState;
}
bool WarpGraphModel::loadLayout(const QString &path) {
QFile file(path);
if (!file.open(QIODevice::ReadOnly)) {
return false;
}
QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
if (!doc.isObject()) {
return false;
}
QJsonObject root = doc.object();
int version = root["version"].toInt();
if (version < 1 || version > 2) {
return false;
}
m_savedPositions.clear();
QJsonArray nodesArray = root["nodes"].toArray();
for (const auto &val : nodesArray) {
QJsonObject obj = val.toObject();
std::string name = obj["name"].toString().toStdString();
double x = obj["x"].toDouble();
double y = obj["y"].toDouble();
m_savedPositions[name] = QPointF(x, y);
}
m_savedViewState = {};
if (root.contains("view")) {
QJsonObject viewObj = root["view"].toObject();
m_savedViewState.scale = viewObj["scale"].toDouble(1.0);
m_savedViewState.centerX = viewObj["center_x"].toDouble();
m_savedViewState.centerY = viewObj["center_y"].toDouble();
m_savedViewState.splitterGraph = viewObj["splitter_graph"].toInt(0);
m_savedViewState.splitterSidebar = viewObj["splitter_sidebar"].toInt(0);
m_savedViewState.connectionStyle = viewObj["connection_style"].toInt(0);
m_savedViewState.zoomSensitivity = viewObj["zoom_sensitivity"].toDouble(0.0);
m_savedViewState.zoomMin = viewObj["zoom_min"].toDouble(0.0);
m_savedViewState.zoomMax = viewObj["zoom_max"].toDouble(0.0);
m_savedViewState.valid = true;
}
if (root.contains("ghosts")) {
QJsonArray ghostsArray = root["ghosts"].toArray();
for (const auto &val : ghostsArray) {
QJsonObject obj = val.toObject();
std::string name = obj["name"].toString().toStdString();
bool alreadyExists = false;
for (const auto &[_, data] : m_nodes) {
if (data.info.name == name) {
alreadyExists = true;
break;
}
}
if (alreadyExists) {
continue;
}
warppipe::NodeInfo info;
info.id = warppipe::NodeId{0};
info.name = name;
info.description = obj["description"].toString().toStdString();
info.media_class = obj["media_class"].toString().toStdString();
info.application_name =
obj["application_name"].toString().toStdString();
WarpNodeData data;
data.info = info;
for (const auto &pval : obj["input_ports"].toArray()) {
QJsonObject p = pval.toObject();
warppipe::PortInfo port;
port.id = warppipe::PortId{
static_cast<uint32_t>(p["id"].toInt())};
port.node = info.id;
port.name = p["name"].toString().toStdString();
port.is_input = true;
data.inputPorts.push_back(port);
}
for (const auto &pval : obj["output_ports"].toArray()) {
QJsonObject p = pval.toObject();
warppipe::PortInfo port;
port.id = warppipe::PortId{
static_cast<uint32_t>(p["id"].toInt())};
port.node = info.id;
port.name = p["name"].toString().toStdString();
port.is_input = false;
data.outputPorts.push_back(port);
}
QtNodes::NodeId qtId = newNodeId();
m_nodes.emplace(qtId, std::move(data));
m_ghostNodes.insert(qtId);
if (obj.value("is_group").toBool()) {
std::string groupKey =
obj["group_key"].toString().toStdString();
if (groupKey.empty())
groupKey = appGroupKey(info);
AppGroupData group;
group.groupKey = groupKey;
m_appGroups[qtId] = std::move(group);
m_groupKeyToQt[groupKey] = qtId;
}
if (obj.contains("x") && obj.contains("y")) {
m_positions.emplace(qtId, QPointF(obj["x"].toDouble(),
obj["y"].toDouble()));
}
std::string posKey = name;
auto gIt = m_appGroups.find(qtId);
if (gIt != m_appGroups.end())
posKey = "group:" + gIt->second.groupKey;
m_savedPositions[posKey] =
m_positions.count(qtId) ? m_positions.at(qtId) : QPointF(0, 0);
if (nodeHasVolume(classifyNode(info))) {
auto *volumeWidget = new NodeVolumeWidget();
m_volumeWidgets[qtId] = volumeWidget;
m_volumeStates[qtId] = {};
}
Q_EMIT nodeCreated(qtId);
}
}
if (root.contains("ghost_connections")) {
m_pendingGhostConnections.clear();
QJsonArray gcArray = root["ghost_connections"].toArray();
for (const auto &val : gcArray) {
QJsonObject obj = val.toObject();
PendingGhostConnection pgc;
pgc.outNodeName = obj["out_node"].toString().toStdString();
pgc.outPortName = obj["out_port"].toString().toStdString();
pgc.inNodeName = obj["in_node"].toString().toStdString();
pgc.inPortName = obj["in_port"].toString().toStdString();
m_pendingGhostConnections.push_back(std::move(pgc));
}
}
return !m_savedPositions.empty() || !m_ghostNodes.empty();
}
void WarpGraphModel::autoArrange() {
struct Column {
std::vector<QtNodes::NodeId> ids;
double maxWidth = 0.0;
};
Column sources;
Column apps;
Column sinks;
Column video;
for (const auto &[qtId, data] : m_nodes) {
WarpNodeType type = classifyNode(data.info);
QSize sz = estimateNodeSize(data);
double w = sz.width();
switch (type) {
case WarpNodeType::kHardwareSource:
case WarpNodeType::kVirtualSource:
sources.ids.push_back(qtId);
sources.maxWidth = std::max(sources.maxWidth, w);
break;
case WarpNodeType::kApplication:
apps.ids.push_back(qtId);
apps.maxWidth = std::max(apps.maxWidth, w);
break;
case WarpNodeType::kVideoSource:
case WarpNodeType::kVideoSink:
video.ids.push_back(qtId);
video.maxWidth = std::max(video.maxWidth, w);
break;
default:
sinks.ids.push_back(qtId);
sinks.maxWidth = std::max(sinks.maxWidth, w);
break;
}
}
std::sort(apps.ids.begin(), apps.ids.end(),
[this](QtNodes::NodeId a, QtNodes::NodeId b) {
auto itA = m_nodes.find(a);
auto itB = m_nodes.find(b);
if (itA == m_nodes.end() || itB == m_nodes.end())
return a < b;
std::string keyA = appGroupKey(itA->second.info);
std::string keyB = appGroupKey(itB->second.info);
if (keyA != keyB)
return keyA < keyB;
return a < b;
});
auto layoutColumn = [&](Column &col, double xOffset) {
double y = 0.0;
for (QtNodes::NodeId id : col.ids) {
auto it = m_nodes.find(id);
if (it == m_nodes.end()) continue;
QSize sz = estimateNodeSize(it->second);
m_positions[id] = QPointF(xOffset, y);
Q_EMIT nodePositionUpdated(id);
y += sz.height() + kVerticalGap;
}
};
double x = 0.0;
layoutColumn(sources, x);
x += sources.maxWidth + kHorizontalGap * 3;
layoutColumn(apps, x);
x += apps.maxWidth + kHorizontalGap * 3;
layoutColumn(sinks, x);
if (!video.ids.empty()) {
x += sinks.maxWidth + kHorizontalGap * 3;
layoutColumn(video, x);
}
}
QVariant WarpGraphModel::styleForNode(WarpNodeType type, bool ghost) {
QtNodes::NodeStyle style = QtNodes::StyleCollection::nodeStyle();
QColor base;
switch (type) {
case WarpNodeType::kHardwareSink:
base = QColor(72, 94, 118);
break;
case WarpNodeType::kHardwareSource:
base = QColor(94, 72, 118);
break;
case WarpNodeType::kVirtualSink:
base = QColor(62, 122, 104);
break;
case WarpNodeType::kVirtualSource:
base = QColor(62, 104, 122);
break;
case WarpNodeType::kApplication:
base = QColor(138, 104, 72);
break;
case WarpNodeType::kVideoSource:
base = QColor(120, 80, 130);
break;
case WarpNodeType::kVideoSink:
base = QColor(100, 70, 140);
break;
default:
base = QColor(86, 94, 108);
break;
}
if (ghost) {
style.GradientColor0 = base.darker(150);
style.GradientColor1 = base.darker(160);
style.GradientColor2 = base.darker(170);
style.GradientColor3 = base.darker(180);
style.NormalBoundaryColor = base.darker(130);
style.FontColor = QColor(160, 168, 182);
style.FontColorFaded = QColor(120, 128, 142);
style.ConnectionPointColor = QColor(140, 148, 160);
style.FilledConnectionPointColor = QColor(180, 140, 80);
} else {
style.GradientColor0 = base.lighter(120);
style.GradientColor1 = base.lighter(108);
style.GradientColor2 = base.darker(105);
style.GradientColor3 = base.darker(120);
style.NormalBoundaryColor = base.lighter(135);
style.FontColor = QColor(236, 240, 246);
style.FontColorFaded = QColor(160, 168, 182);
style.ConnectionPointColor = QColor(200, 208, 220);
style.FilledConnectionPointColor = QColor(255, 165, 0);
}
style.Opacity = 1.0f;
style.SelectedBoundaryColor = QColor(255, 165, 0);
style.PenWidth = 1.3f;
style.HoveredPenWidth = 2.4f;
style.ConnectionPointDiameter = 10.0f;
return style.toJson().toVariantMap();
}