Add stack trace viewer

src/callstackmodel.cpp

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2018 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <QDebug>
+
+#include "callstackmodel.hpp"
+
+int CallStackModel::rowCount(const QModelIndex &parent) const {
+	return m_frames.size();
+}
+
+int CallStackModel::columnCount(const QModelIndex &parent) const {
+	return Column::End;
+}
+
+QVariant CallStackModel::headerData(int section, Qt::Orientation orientation, int role) const {
+	if (role != Qt::DisplayRole) {
+		return QVariant();
+	}
+
+	if (orientation == Qt::Horizontal) {
+		switch (section) {
+			case Column::Function:
+				return tr("Function");
+			case Column::Source:
+				return tr("Source");
+			default:
+				return QVariant();
+		}
+	}
+	return QVariant();
+}
+
+QVariant CallStackModel::data(const QModelIndex &index, int role) const {
+	if (!index.isValid()) {
+		return QVariant();
+	}
+
+	if (index.row() >= m_frames.size() || index.row() < 0) {
+		return QVariant();
+	}
+
+	if (role == Qt::DisplayRole) {
+		const auto &f = m_frames[index.row()];
+
+		switch (index.column()) {
+			case Column::Function:
+				return f.function;
+			case Column::Source:
+				return QString("%1:%2").arg(f.file).arg(f.line);
+			default:
+				return {};
+		}
+	}
+	return QVariant();
+}
+
+void CallStackModel::clear() {
+	beginResetModel();
+	m_frames.clear();
+	endResetModel();
+}
+
+void CallStackModel::setTraceEvent(const TraceEvent &event) {
+	beginResetModel();
+	m_frames = event.frames;
+	endResetModel();
+}