Add process selector and get log messages displaying

src/traceeventmodel.cpp

@@ -6,20 +6,83 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <QDebug>
+
 #include "traceeventmodel.hpp"
 
 int TraceEventModel::rowCount(const QModelIndex &parent) const {
-	if (m_procData) {
-		return m_procData->traceEvents.size();
-	} else {
-		return 0;
-	}
+	return m_traceEvents.size();
 }
 
 int TraceEventModel::columnCount(const QModelIndex &parent) const {
 	return Column::End;
 }
 
-QVariant TraceEventModel::data(const QModelIndex &index, int role) const {
-	return {};
+QVariant TraceEventModel::headerData(int section, Qt::Orientation orientation, int role) const {
+	if (role != Qt::DisplayRole) {
+		return QVariant();
+	}
+
+	if (orientation == Qt::Horizontal) {
+		switch (section) {
+			case Column::Channel:
+				return tr("Channel");
+			case Column::Source:
+				return tr("Source");
+			case Column::Message:
+				return tr("Message");
+			default:
+				return QVariant();
+		}
+	}
+	return QVariant();
+}
+
+QVariant TraceEventModel::data(const QModelIndex &index, int role) const {
+	if (!index.isValid()) {
+		return QVariant();
+	}
+
+	if (index.row() >= m_traceEvents.size() || index.row() < 0) {
+		return QVariant();
+	}
+
+	if (role == Qt::DisplayRole) {
+		const auto &te = m_traceEvents[index.row()];
+
+		switch (index.column()) {
+			case Column::Channel:
+				return te.channel;
+			case Column::Source:
+				return QString("%1:%2").arg(te.file()).arg(te.line());
+			case Column::Message:
+				return te.logMsg;
+			default:
+				return {};
+		}
+	}
+	return QVariant();
+}
+
+void TraceEventModel::setProcessData(ProcessData *data) {
+	beginResetModel();
+	m_traceEvents.clear();
+	if (m_procData) {
+		disconnect(m_procData, &ProcessData::traceEvent, this, &TraceEventModel::addEvent);
+	}
+	m_procData = data;
+	if (m_procData) {
+		for (const auto &te : m_procData->traceEvents) {
+			m_traceEvents.push_back(te);
+		}
+		connect(m_procData, &ProcessData::traceEvent, this, &TraceEventModel::addEvent);
+	}
+	endResetModel();
+}
+
+void TraceEventModel::addEvent(const TraceEvent &event) {
+	auto index = m_traceEvents.size();
+	beginInsertRows(QModelIndex(), index, index);
+	m_traceEvents.push_back(event);
+	endInsertRows();
 }