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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "qmlprofilerstatewidget.h"
#include <utils/qtcassert.h>
#include <QPainter>
#include <QVBoxLayout>
#include <QLabel>
#include <QProgressBar>
#include <QTime>
#include <QDebug>
namespace QmlProfiler {
namespace Internal {
class QmlProfilerStateWidget::QmlProfilerStateWidgetPrivate
{
public:
QmlProfilerStateWidgetPrivate(QmlProfilerStateWidget *qq) { Q_UNUSED(qq); }
QLabel *text;
QProgressBar *progressBar;
QPixmap shadowPic;
QmlProfilerStateManager *m_profilerState;
QmlProfilerModelManager *m_modelManager;
};
QmlProfilerStateWidget::QmlProfilerStateWidget(QmlProfilerStateManager *stateManager,
QmlProfilerModelManager *modelManager, QWidget *parent)
: QWidget(parent), d(new QmlProfilerStateWidgetPrivate(this))
{
setObjectName(QLatin1String("QML Profiler State Display"));
// UI elements
QVBoxLayout *layout = new QVBoxLayout(this);
resize(200,70);
d->shadowPic.load(QLatin1String(":/timeline/dialog_shadow.png"));
d->text = new QLabel(this);
d->text->setAlignment(Qt::AlignCenter);
layout->addWidget(d->text);
d->progressBar = new QProgressBar(this);
layout->addWidget(d->progressBar);
d->progressBar->setMaximum(1000);
d->progressBar->setVisible(false);
setLayout(layout);
// profiler state
d->m_modelManager = modelManager;
connect(d->m_modelManager, &QmlProfilerModelManager::stateChanged,
this, &QmlProfilerStateWidget::updateDisplay);
connect(d->m_modelManager, &QmlProfilerModelManager::progressChanged,
this, &QmlProfilerStateWidget::updateDisplay);
d->m_profilerState = stateManager;
connect(d->m_profilerState, &QmlProfilerStateManager::stateChanged,
this, &QmlProfilerStateWidget::updateDisplay);
connect(d->m_profilerState, &QmlProfilerStateManager::serverRecordingChanged,
this, &QmlProfilerStateWidget::updateDisplay);
updateDisplay();
}
QmlProfilerStateWidget::~QmlProfilerStateWidget()
{
delete d;
}
void QmlProfilerStateWidget::reposition()
{
QWidget *parentWidget = qobject_cast<QWidget *>(parent());
// positioning it at 2/3 height (it looks better)
move(parentWidget->width()/2 - width()/2, parentWidget->height()/3 - height()/2);
}
void QmlProfilerStateWidget::paintEvent(QPaintEvent *event)
{
QWidget::paintEvent(event);
QPainter painter(this);
painter.save();
// Shadow
// there is no actual qpainter borderimage, hacking it here
int borderWidth = 4;
// topleft
painter.drawPixmap(QRect(0, 0, borderWidth, borderWidth),
d->shadowPic,
QRect(0, 0, borderWidth, borderWidth));
// topright
painter.drawPixmap(QRect(width()-borderWidth, 0, borderWidth, borderWidth),
d->shadowPic,
QRect(d->shadowPic.width()-borderWidth, 0, borderWidth, borderWidth));
// bottomleft
painter.drawPixmap(QRect(0, height()-borderWidth, borderWidth, borderWidth),
d->shadowPic,
QRect(0, d->shadowPic.height()-borderWidth, borderWidth, borderWidth));
// bottomright
painter.drawPixmap(QRect(width()-borderWidth, height()-borderWidth, borderWidth, borderWidth),
d->shadowPic,
QRect(d->shadowPic.width()-borderWidth,
d->shadowPic.height()-borderWidth,
borderWidth,
borderWidth));
// top
painter.drawPixmap(QRect(borderWidth, 0, width()-2*borderWidth, borderWidth),
d->shadowPic,
QRect(borderWidth, 0, d->shadowPic.width()-2*borderWidth, borderWidth));
// bottom
painter.drawPixmap(QRect(borderWidth, height()-borderWidth, width()-2*borderWidth, borderWidth),
d->shadowPic,
QRect(borderWidth,
d->shadowPic.height()-borderWidth,
d->shadowPic.width()-2*borderWidth,
borderWidth));
// left
painter.drawPixmap(QRect(0, borderWidth, borderWidth, height()-2*borderWidth),
d->shadowPic,
QRect(0, borderWidth, borderWidth, d->shadowPic.height()-2*borderWidth));
// right
painter.drawPixmap(QRect(width()-borderWidth, borderWidth, borderWidth, height()-2*borderWidth),
d->shadowPic,
QRect(d->shadowPic.width()-borderWidth,
borderWidth,
borderWidth,
d->shadowPic.height()-2*borderWidth));
// center
painter.drawPixmap(QRect(borderWidth, borderWidth, width()-2*borderWidth, height()-2*borderWidth),
d->shadowPic,
QRect(borderWidth,
borderWidth,
d->shadowPic.width()-2*borderWidth,
d->shadowPic.height()-2*borderWidth));
// Background
painter.setBrush(QColor("#E0E0E0"));
painter.setPen(QColor("#666666"));
painter.drawRoundedRect(QRect(borderWidth, 0, width()-2*borderWidth, height()-borderWidth), 6, 6);
// restore painter
painter.restore();
}
void QmlProfilerStateWidget::showText(const QString &text, bool showProgress)
{
setVisible(true);
if (showProgress)
d->progressBar->setValue(d->m_modelManager->progress() * 1000);
d->progressBar->setVisible(showProgress);
d->text->setText(text);
resize(300, 70);
reposition();
}
void QmlProfilerStateWidget::updateDisplay()
{
// When application is being profiled
if (d->m_profilerState->serverRecording()) {
showText(tr("Profiling application"));
return;
}
QmlProfilerModelManager::State state = d->m_modelManager->state();
if (state == QmlProfilerModelManager::Done || state == QmlProfilerModelManager::Empty) {
// After profiling, there is an empty trace
if (d->m_modelManager->traceTime()->duration() > 0 &&
(d->m_modelManager->isEmpty() || d->m_modelManager->progress() == 0)) {
showText(tr("No QML events recorded"));
return;
}
} else if (d->m_modelManager->progress() != 0 && !d->m_modelManager->isEmpty()) {
// When datamodel is acquiring or processing data
if (state == QmlProfilerModelManager::ProcessingData) {
showText(tr("Processing data"), true);
} else if (d->m_profilerState->currentState() != QmlProfilerStateManager::Idle) {
if (state == QmlProfilerModelManager::AcquiringData) {
// we don't know how much more, so progress numbers are strange here
showText(tr("Waiting for more data"));
} else if (state == QmlProfilerModelManager::ClearingData) {
// when starting a second recording from the same process without aggregation
showText(tr("Clearing old trace"));
}
} else if (state == QmlProfilerModelManager::AcquiringData) {
// Application died before all data could be read
showText(tr("Application stopped before loading all data"));
} else if (state == QmlProfilerModelManager::ClearingData) {
showText(tr("Clearing old trace"));
}
return;
} else if (state == QmlProfilerModelManager::AcquiringData) {
showText(tr("Waiting for data"));
return;
}
// There is a trace on view, hide this dialog
d->progressBar->setVisible(false);
setVisible(false);
}
}
}
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