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/*
eventmodel.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Tim Henning <tim.henning@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "eventmodel.h"
#include "eventmodelroles.h"
#include <core/probe.h>
#include <core/util.h>
#include <core/varianthandler.h>
#include <common/objectid.h>
#include <QMetaEnum>
#include <QMutexLocker>
#include <QPoint>
#include <QPointF>
#include <QVariantMap>
#include <QTimer>
using namespace GammaRay;
static const int TopLevelId = std::numeric_limits<int>::max();
EventModel::EventModel(QObject *parent)
: QAbstractItemModel(parent)
, m_pendingEventTimer(new QTimer(this))
{
qRegisterMetaType<EventData>();
m_pendingEventTimer->setSingleShot(true);
m_pendingEventTimer->setInterval(200);
connect(m_pendingEventTimer, &QTimer::timeout, this, [this]() {
Q_ASSERT(!m_pendingEvents.isEmpty());
beginInsertRows(QModelIndex(), m_events.size(), m_events.size() + m_pendingEvents.size() - 1);
m_events += m_pendingEvents;
m_pendingEvents.clear();
endInsertRows();
});
}
EventModel::~EventModel() = default;
void EventModel::addEvent(const EventData &event)
{
m_pendingEvents.push_back(event);
if (!m_pendingEventTimer->isActive()) {
m_pendingEventTimer->start();
}
}
void EventModel::clear()
{
beginResetModel();
m_events = QVector<EventData>();
endResetModel();
}
int EventModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return EventModelColumn::COUNT;
}
int EventModel::rowCount(const QModelIndex &parent) const
{
if (!parent.isValid())
return m_events.size();
if (parent.internalId() == TopLevelId && parent.column() == 0) {
const EventData &event = m_events.at(parent.row());
return event.propagatedEvents.size();
}
return 0;
}
QVariant EventModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.column() >= columnCount())
return QVariant();
bool isPropagatedEvent = index.internalId() != TopLevelId;
int rootEventIndex = isPropagatedEvent ? int(index.internalId()) : index.row();
Q_ASSERT(rootEventIndex >= 0 && rootEventIndex < m_events.size());
const EventData &event = isPropagatedEvent
? m_events.at(rootEventIndex).propagatedEvents.at(index.row())
: m_events.at(rootEventIndex);
if (role == Qt::DisplayRole) {
switch (index.column()) {
case EventModelColumn::Time:
return isPropagatedEvent ? "<propagated>" : event.time.toString("hh:mm:ss.zzz");
case EventModelColumn::Type: {
const auto s = VariantHandler::displayString(event.type);
if (!s.isEmpty()) {
return s;
}
return event.type;
}
case EventModelColumn::Receiver: {
QMutexLocker lock(Probe::objectLock());
if (Probe::instance()->isValidObject(event.receiver)) {
return Util::displayString(event.receiver);
}
return Util::addressToString(event.receiver);
}
}
} else if (role == EventModelRole::AttributesRole) {
QVariantMap attributesMap;
for (const QPair<const char *, QVariant> &pair : event.attributes) {
attributesMap.insert(QString::fromUtf8(pair.first), pair.second);
}
return attributesMap;
} else if (role == EventModelRole::ReceiverIdRole && index.column() == EventModelColumn::Receiver) {
return QVariant::fromValue(ObjectId(event.receiver));
} else if (role == EventModelRole::EventTypeRole) {
return QVariant::fromValue(event.type);
}
return QVariant();
}
QVariant EventModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
switch (section) {
case EventModelColumn::Time:
return tr("Time");
case EventModelColumn::Type:
return tr("Type");
case EventModelColumn::Receiver:
return tr("Receiver");
}
}
return QVariant();
}
QModelIndex EventModel::index(int row, int column, const QModelIndex &parent) const
{
if (row < 0 || column < 0 || column >= columnCount())
return {};
if (parent.isValid()) {
if (row >= m_events.at(parent.row()).propagatedEvents.size())
return QModelIndex();
return createIndex(row, column, static_cast<quintptr>(parent.row()));
}
return createIndex(row, column, TopLevelId);
}
QModelIndex EventModel::parent(const QModelIndex &child) const
{
if (!child.isValid() || child.internalId() == TopLevelId)
return {};
return createIndex(int(child.internalId()), 0, TopLevelId);
}
QMap<int, QVariant> EventModel::itemData(const QModelIndex &index) const
{
auto d = QAbstractItemModel::itemData(index);
if (index.column() == EventModelColumn::Receiver) {
d.insert(EventModelRole::ReceiverIdRole, index.data(EventModelRole::ReceiverIdRole));
}
return d;
}
bool EventModel::hasEvents() const
{
return !m_events.empty() || !m_pendingEvents.empty();
}
EventData &EventModel::lastEvent()
{
if (!m_pendingEvents.empty()) {
return m_pendingEvents.last();
}
return m_events.last();
}
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