Files
qt-creator/src/plugins/qmlprofiler/qmlprofilerstatewidget.cpp
Ulf Hermann ddb872727f QmlProfiler: Eliminate QmlProfilerDataState
This class is only accessible through the model manager and there is no
real point in keeping it separate.

Change-Id: I575d47c08aa8f6731d44739f9604072b95fd1dcd
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
2015-09-11 09:13:34 +00:00

223 lines
8.3 KiB
C++

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#include "qmlprofilerstatewidget.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 data
if (d->m_profilerState->currentState() != QmlProfilerStateManager::AppKilled)
showText(tr("Loading data"), true);
else // Application died before all data could be read
showText(tr("Application stopped before loading all data"), true);
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);
}
}
}