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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "modeltest.h"
#include <QStringList>
#include <QFile>
#include <QTextStream>
#include <QDebug>
#include <QApplication>
#include <QTableView>
#include <QDesktopWidget>
#include <QVBoxLayout>
#include <QMenu>
#include <QSortFilterProxyModel>
#include <QStandardItemModel>
#include <QPushButton>
#include <QSpinBox>
#include <QComboBox>
#include <QMainWindow>
#include <QDockWidget>
#include <QToolButton>
#include <callgrindcostview.h>
#include <callgrindcostdelegate.h>
#include <callgrindvisualisation.h>
#include <valgrind/callgrind/callgrindparsedata.h>
#include <valgrind/callgrind/callgrindparser.h>
#include <valgrind/callgrind/callgrinddatamodel.h>
#include <valgrind/callgrind/callgrindfunction.h>
#include <valgrind/callgrind/callgrindcallmodel.h>
#include <valgrind/callgrind/callgrindcostitem.h>
#include <valgrind/callgrind/callgrindfunctioncall.h>
#include <valgrind/callgrind/callgrindproxymodel.h>
using namespace Valgrind::Callgrind;
using namespace Callgrind::Internal;
QTextStream qerr(stderr);
void usage() {
qerr << "modeltest CALLGRINDFILE ..." << endl;
}
ModelTestWidget::ModelTestWidget(CallgrindWidgetHandler *handler)
: m_format(0)
, m_event(0)
, m_handler(handler)
{
QVBoxLayout *l = new QVBoxLayout;
setLayout(l);
QHBoxLayout *h = new QHBoxLayout;
l->addLayout(h);
l->addWidget(handler->flatView());
m_handler->populateActions(h);
m_format = new QComboBox;
m_format->addItem("absolute", CostDelegate::FormatAbsolute);
m_format->addItem("relative", CostDelegate::FormatRelative);
m_format->addItem("rel. to parent", CostDelegate::FormatRelativeToParent);
connect(m_format, QOverload<int>::of(&QComboBox::activated),
this, &ModelTestWidget::formatChanged);
h->addWidget(m_format);
QDoubleSpinBox *minimumCost = new QDoubleSpinBox;
minimumCost->setToolTip("Minimum cost");
minimumCost->setRange(0, 1);
minimumCost->setDecimals(4);
minimumCost->setSingleStep(0.01);
connect(minimumCost, &QDoubleSpinBox::valueChanged,
m_handler->proxyModel(), &DataProxyModel::setMinimumInclusiveCostRatio);
minimumCost->setValue(0.0001);
h->addWidget(minimumCost);
m_handler->flatView()->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_handler->flatView(), SIGNAL(customContextMenuRequested(QPoint)),
this, SLOT(showViewContextMenu(QPoint)));
resize(qMin(QApplication::desktop()->width(), 1024), 600);
}
ModelTestWidget::~ModelTestWidget()
{
}
void ModelTestWidget::formatChanged(int index)
{
CostDelegate::CostFormat format = static_cast<CostDelegate::CostFormat>(m_format->itemData(index).toInt());
m_handler->setCostFormat(format);
}
void ModelTestWidget::showViewContextMenu(const QPoint &pos)
{
const QModelIndex idx = m_handler->flatView()->indexAt(pos);
if (!idx.isValid())
return;
QMenu menu;
QAction *showCostItems = menu.addAction("show cost items");
const ParseData* data = m_handler->dataModel()->parseData();
QAction *ret = menu.exec(m_handler->flatView()->mapToGlobal(pos));
if (ret == showCostItems) {
///TODO: put this into a reusable class?
const Function *func = idx.data(DataModel::FunctionRole).value<const Function *>();
Q_ASSERT(func);
QTableView *view = new QTableView();
view->setAttribute(Qt::WA_DeleteOnClose, true);
const int rows = func->costItems().size();
const int columns = data->events().size() + data->positions().size() + 2;
QStandardItemModel *model = new QStandardItemModel(rows, columns, view);
int headerColumn = 0;
foreach (const QString &event, data->events()) {
model->setHeaderData(headerColumn++, Qt::Horizontal, event);
}
const int lastEventColumn = headerColumn;
foreach (const QString &pos, data->positions()) {
model->setHeaderData(headerColumn++, Qt::Horizontal, pos);
}
const int lastPosColumn = headerColumn;
model->setHeaderData(headerColumn++, Qt::Horizontal, "Call");
model->setHeaderData(headerColumn++, Qt::Horizontal, "Differring File");
Q_ASSERT(headerColumn == columns);
QVector<quint64> totalCosts;
totalCosts.fill(0, data->events().size());
for (int row = 0; row < rows; ++row) {
const CostItem *item = func->costItems().at(row);
for (int column = 0; column < columns; ++column) {
QVariant value;
if (column < lastEventColumn) {
value = item->cost(column);
totalCosts[column] += item->cost(column);
} else if (column < lastPosColumn) {
value = item->position(column - lastEventColumn);
} else if (column == lastPosColumn) {
if (item->call())
value = item->call()->callee()->name();
} else {
value = item->differingFile();
}
model->setData(model->index(row, column), value);
}
}
QStringList totalCostsStrings;
for (int i = 0; i < totalCosts.size(); ++i) {
totalCostsStrings << QString("%1: %2").arg(totalCosts.at(i)).arg(data->events().at(i));
}
view->setWindowTitle(totalCostsStrings.join(QLatin1String(", ")));
view->setModel(model);
view->show();
}
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
if (app.arguments().count() < 2) {
usage();
return 1;
}
///TODO: multi-part callgrind files
QFile file(app.arguments().at(1));
if (!file.open(QIODevice::ReadOnly)) {
qerr << "could not open callgrind file for reading:" << file.fileName() << file.errorString();
return 3;
}
Parser p;
p.parse(&file);
ParseData *data = p.takeData();
if (!data) {
qerr << "invalid callgrind file:" << file.fileName() << endl;
return 2;
}
QMainWindow window;
CallgrindWidgetHandler *handler = new CallgrindWidgetHandler(&window);
ModelTestWidget *widget = new ModelTestWidget(handler);
widget->setWindowTitle(file.fileName());
window.setCentralWidget(widget);
QDockWidget *callerDock = new QDockWidget("callers", &window);
callerDock->setWidget(handler->callersView());
window.addDockWidget(Qt::RightDockWidgetArea, callerDock);
QDockWidget *calleeDock = new QDockWidget("callees", &window);
calleeDock->setWidget(handler->calleesView());
window.addDockWidget(Qt::RightDockWidgetArea, calleeDock);
QDockWidget *widgetDock = new QDockWidget("vizualisation", &window);
widgetDock->setWidget(handler->visualisation());
window.addDockWidget(Qt::BottomDockWidgetArea, widgetDock);
handler->setParseData(data);
window.show();
return app.exec();
}
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