forked from qt-creator/qt-creator
QmlProfiler: Refactor
The code of the qmlprofiler client has become a bit too complex, this patch reorganizes the modules in a more sensible way, having the modules communicate with each other through a state machine instead of the excess of signals and slots from before. Change-Id: I76f7313779888a1bd07a1cdb1acbf2e47aacf42a Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
This commit is contained in:
Christiaan Janssen
531
src/plugins/qmlprofiler/timelinerenderer.cpp
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531
src/plugins/qmlprofiler/timelinerenderer.cpp
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@@ -0,0 +1,531 @@
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#include "timelinerenderer.h"
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#include <qdeclarativecontext.h>
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#include <qdeclarativeproperty.h>
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#include <QTimer>
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#include <QPixmap>
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#include <QPainter>
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#include <QGraphicsSceneMouseEvent>
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#include <math.h>
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using namespace QmlProfiler::Internal;
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const int DefaultRowHeight = 30;
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TimelineRenderer::TimelineRenderer(QDeclarativeItem *parent) :
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QDeclarativeItem(parent), m_startTime(0), m_endTime(0), m_spacing(0),
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m_lastStartTime(0), m_lastEndTime(0), m_profilerDataModel(0)
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{
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clearData();
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setFlag(QGraphicsItem::ItemHasNoContents, false);
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setAcceptedMouseButtons(Qt::LeftButton);
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setAcceptHoverEvents(true);
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for (int i=0; i<QmlJsDebugClient::MaximumQmlEventType; i++)
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m_rowsExpanded << false;
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}
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void TimelineRenderer::componentComplete()
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{
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const QMetaObject *metaObject = this->metaObject();
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int propertyCount = metaObject->propertyCount();
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int requestPaintMethod = metaObject->indexOfMethod("requestPaint()");
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for (int ii = TimelineRenderer::staticMetaObject.propertyCount(); ii < propertyCount; ++ii) {
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QMetaProperty p = metaObject->property(ii);
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if (p.hasNotifySignal())
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QMetaObject::connect(this, p.notifySignalIndex(), this, requestPaintMethod, 0, 0);
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}
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QDeclarativeItem::componentComplete();
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}
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void TimelineRenderer::requestPaint()
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{
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update();
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}
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void TimelineRenderer::paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *)
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{
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qint64 windowDuration = m_endTime - m_startTime;
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if (windowDuration <= 0)
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return;
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m_spacing = qreal(width()) / windowDuration;
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m_rowWidths.clear();
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// The "1+" is because the reference screenshot features an empty row per type, in order to leave space for the title
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for (int i=0; i<QmlJsDebugClient::MaximumQmlEventType; i++) {
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m_rowWidths << 1 + (m_rowsExpanded[i] ? m_profilerDataModel->uniqueEventsOfType(i) :
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m_profilerDataModel->maxNestingForType(i));
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}
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// event rows
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m_rowStarts.clear();
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int pos = 0;
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for (int i=0; i<QmlJsDebugClient::MaximumQmlEventType; i++) {
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m_rowStarts << pos;
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pos += DefaultRowHeight * m_rowWidths[i];
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}
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p->setPen(Qt::transparent);
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// speedup: don't draw overlapping events, just skip them
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m_rowLastX.clear();
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for (int i=0; i<QmlJsDebugClient::MaximumQmlEventType; i++)
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for (int j=0; j<m_rowWidths[i]; j++)
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m_rowLastX << -m_startTime * m_spacing;
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int firstIndex = m_profilerDataModel->findFirstIndex(m_startTime);
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int lastIndex = m_profilerDataModel->findLastIndex(m_endTime);
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drawItemsToPainter(p, firstIndex, lastIndex);
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drawSelectionBoxes(p, firstIndex, lastIndex);
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drawBindingLoopMarkers(p, firstIndex, lastIndex);
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m_lastStartTime = m_startTime;
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m_lastEndTime = m_endTime;
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}
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QColor TimelineRenderer::colorForItem(int itemIndex)
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{
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int ndx = m_profilerDataModel->getEventId(itemIndex);
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return QColor::fromHsl((ndx*25)%360, 76, 166);
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}
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void TimelineRenderer::drawItemsToPainter(QPainter *p, int fromIndex, int toIndex)
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{
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int x, y, width, height, rowNumber, eventType;
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for (int i = fromIndex; i <= toIndex; i++) {
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x = (m_profilerDataModel->getStartTime(i) - m_startTime) * m_spacing;
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eventType = m_profilerDataModel->getType(i);
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if (m_rowsExpanded[eventType])
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y = m_rowStarts[eventType] + DefaultRowHeight *
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(m_profilerDataModel->eventPosInType(i) + 1);
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else
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y = m_rowStarts[eventType] + DefaultRowHeight *
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m_profilerDataModel->getNestingLevel(i);
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width = m_profilerDataModel->getDuration(i)*m_spacing;
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if (width<1)
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width = 1;
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rowNumber = y/DefaultRowHeight;
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if (m_rowLastX[rowNumber] > x+width)
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continue;
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m_rowLastX[rowNumber] = x+width;
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// special: animations
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if (eventType == 0 && m_profilerDataModel->getAnimationCount(i) >= 0) {
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double scale = m_profilerDataModel->getMaximumAnimationCount() -
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m_profilerDataModel->getMinimumAnimationCount();
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double fraction;
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if (scale > 1)
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fraction = (double)(m_profilerDataModel->getAnimationCount(i) -
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m_profilerDataModel->getMinimumAnimationCount()) / scale;
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else
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fraction = 1.0;
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height = DefaultRowHeight * (fraction * 0.85 + 0.15);
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y += DefaultRowHeight - height;
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double fpsFraction = m_profilerDataModel->getFramerate(i) / 60.0;
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if (fpsFraction > 1.0)
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fpsFraction = 1.0;
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p->setBrush(QColor::fromHsl((fpsFraction*96)+10, 76, 166));
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p->drawRect(x, y, width, height);
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} else {
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// normal events
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p->setBrush(colorForItem(i));
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p->drawRect(x, y, width, DefaultRowHeight);
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}
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}
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}
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void TimelineRenderer::drawSelectionBoxes(QPainter *p, int fromIndex, int toIndex)
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{
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if (m_selectedItem == -1)
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return;
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int id = m_profilerDataModel->getEventId(m_selectedItem);
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p->setBrush(Qt::transparent);
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QColor selectionColor = Qt::blue;
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if (m_selectionLocked)
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selectionColor = QColor(96,0,255);
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QPen strongPen(selectionColor, 3);
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QPen lightPen(QBrush(selectionColor.lighter(130)), 2);
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lightPen.setJoinStyle(Qt::MiterJoin);
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p->setPen(lightPen);
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int x, y, width, eventType;
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p->setPen(lightPen);
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QRect selectedItemRect(0,0,0,0);
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for (int i = fromIndex; i <= toIndex; i++) {
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if (m_profilerDataModel->getEventId(i) != id)
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continue;
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x = (m_profilerDataModel->getStartTime(i) - m_startTime) * m_spacing;
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eventType = m_profilerDataModel->getType(i);
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if (m_rowsExpanded[eventType])
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y = m_rowStarts[eventType] + DefaultRowHeight *
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(m_profilerDataModel->eventPosInType(i) + 1);
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else
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y = m_rowStarts[eventType] + DefaultRowHeight *
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m_profilerDataModel->getNestingLevel(i);
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width = m_profilerDataModel->getDuration(i)*m_spacing;
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if (width<1)
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width = 1;
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if (i == m_selectedItem)
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selectedItemRect = QRect(x, y-1, width, DefaultRowHeight+1);
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else
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p->drawRect(x,y,width,DefaultRowHeight);
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}
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// draw the selected item rectangle the last, so that it's overlayed
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if (selectedItemRect.width() != 0) {
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p->setPen(strongPen);
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p->drawRect(selectedItemRect);
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}
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}
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void TimelineRenderer::drawBindingLoopMarkers(QPainter *p, int fromIndex, int toIndex)
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{
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int destindex;
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int xfrom, xto, eventType;
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int yfrom, yto;
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int radius = DefaultRowHeight / 3;
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QPen shadowPen = QPen(QColor("grey"),2);
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QPen markerPen = QPen(QColor("orange"),2);
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QBrush shadowBrush = QBrush(QColor("grey"));
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QBrush markerBrush = QBrush(QColor("orange"));
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p->save();
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for (int i = fromIndex; i <= toIndex; i++) {
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destindex = m_profilerDataModel->getBindingLoopDest(i);
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if (destindex >= 0) {
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// from
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xfrom = (m_profilerDataModel->getStartTime(i) +
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m_profilerDataModel->getDuration(i)/2 -
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m_startTime) * m_spacing;
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eventType = m_profilerDataModel->getType(i);
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if (m_rowsExpanded[eventType])
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yfrom = m_rowStarts[eventType] + DefaultRowHeight*
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(m_profilerDataModel->eventPosInType(i) + 1);
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else
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yfrom = m_rowStarts[eventType] + DefaultRowHeight *
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m_profilerDataModel->getNestingLevel(i);
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yfrom += DefaultRowHeight / 2;
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// to
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xto = (m_profilerDataModel->getStartTime(destindex) +
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m_profilerDataModel->getDuration(destindex)/2 -
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m_startTime) * m_spacing;
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eventType = m_profilerDataModel->getType(destindex);
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if (m_rowsExpanded[eventType])
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yto = m_rowStarts[eventType] + DefaultRowHeight *
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(m_profilerDataModel->eventPosInType(destindex) + 1);
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else
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yto = m_rowStarts[eventType] + DefaultRowHeight *
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m_profilerDataModel->getNestingLevel(destindex);
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yto += DefaultRowHeight / 2;
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// radius
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int eventWidth = m_profilerDataModel->getDuration(i) * m_spacing;
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radius = 5;
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if (radius * 2 > eventWidth)
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radius = eventWidth / 2;
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if (radius < 2)
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radius = 2;
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// shadow
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int shadowoffset = 2;
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p->setPen(shadowPen);
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p->setBrush(shadowBrush);
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p->drawEllipse(QPoint(xfrom, yfrom + shadowoffset), radius, radius);
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p->drawEllipse(QPoint(xto, yto + shadowoffset), radius, radius);
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p->drawLine(QPoint(xfrom, yfrom + shadowoffset), QPoint(xto, yto + shadowoffset));
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// marker
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p->setPen(markerPen);
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p->setBrush(markerBrush);
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p->drawEllipse(QPoint(xfrom, yfrom), radius, radius);
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p->drawEllipse(QPoint(xto, yto), radius, radius);
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p->drawLine(QPoint(xfrom, yfrom), QPoint(xto, yto));
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}
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}
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p->restore();
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}
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void TimelineRenderer::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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// special case: if there is a drag area below me, don't accept the
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// events unless I'm actually clicking inside an item
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if (m_currentSelection.eventIndex == -1 &&
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event->pos().x()+x() >= m_startDragArea &&
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event->pos().x()+x() <= m_endDragArea)
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event->setAccepted(false);
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}
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void TimelineRenderer::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event);
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manageClicked();
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}
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void TimelineRenderer::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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event->setAccepted(false);
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}
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void TimelineRenderer::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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manageHovered(event->pos().x(), event->pos().y());
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if (m_currentSelection.eventIndex == -1)
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event->setAccepted(false);
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}
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void TimelineRenderer::manageClicked()
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{
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if (m_currentSelection.eventIndex != -1) {
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if (m_currentSelection.eventIndex == m_selectedItem)
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setSelectionLocked(!m_selectionLocked);
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else
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setSelectionLocked(true);
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emit itemPressed(m_currentSelection.eventIndex);
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} else {
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// setSelectionLocked(false);
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}
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setSelectedItem(m_currentSelection.eventIndex);
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}
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void TimelineRenderer::manageHovered(int x, int y)
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{
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if (m_endTime - m_startTime <=0 || m_lastEndTime - m_lastStartTime <= 0)
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return;
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qint64 time = x * (m_endTime - m_startTime) / width() + m_startTime;
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int row = y / DefaultRowHeight;
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// already covered? nothing to do
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if (m_currentSelection.eventIndex != -1 &&
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time >= m_currentSelection.startTime &&
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time <= m_currentSelection.endTime &&
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row == m_currentSelection.row) {
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return;
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}
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// find if there's items in the time range
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int eventFrom = m_profilerDataModel->findFirstIndex(time);
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int eventTo = m_profilerDataModel->findLastIndex(time);
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if (eventTo < eventFrom) {
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m_currentSelection.eventIndex = -1;
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return;
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}
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// find if we are in the right column
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int itemRow, eventType;
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for (int i=eventTo; i>=eventFrom; --i) {
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if (ceil(m_profilerDataModel->getEndTime(i)*m_spacing) < floor(time*m_spacing))
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||||
continue;
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||||
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eventType = m_profilerDataModel->getType(i);
|
||||
if (m_rowsExpanded[eventType])
|
||||
itemRow = m_rowStarts[eventType]/DefaultRowHeight +
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||||
m_profilerDataModel->eventPosInType(i) + 1;
|
||||
else
|
||||
itemRow = m_rowStarts[eventType]/DefaultRowHeight +
|
||||
m_profilerDataModel->getNestingLevel(i);
|
||||
if (itemRow == row) {
|
||||
// match
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||||
m_currentSelection.eventIndex = i;
|
||||
m_currentSelection.startTime = m_profilerDataModel->getStartTime(i);
|
||||
m_currentSelection.endTime = m_profilerDataModel->getEndTime(i);
|
||||
m_currentSelection.row = row;
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||||
if (!m_selectionLocked)
|
||||
setSelectedItem(i);
|
||||
return;
|
||||
}
|
||||
}
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||||
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||||
m_currentSelection.eventIndex = -1;
|
||||
return;
|
||||
}
|
||||
|
||||
void TimelineRenderer::clearData()
|
||||
{
|
||||
m_startTime = 0;
|
||||
m_endTime = 0;
|
||||
m_lastStartTime = 0;
|
||||
m_lastEndTime = 0;
|
||||
m_currentSelection.startTime = -1;
|
||||
m_currentSelection.endTime = -1;
|
||||
m_currentSelection.row = -1;
|
||||
m_currentSelection.eventIndex = -1;
|
||||
m_selectedItem = -1;
|
||||
m_selectionLocked = true;
|
||||
}
|
||||
|
||||
qint64 TimelineRenderer::getDuration(int index) const
|
||||
{
|
||||
Q_ASSERT(m_profilerDataModel);
|
||||
return m_profilerDataModel->getEndTime(index) -
|
||||
m_profilerDataModel->getStartTime(index);
|
||||
}
|
||||
|
||||
QString TimelineRenderer::getFilename(int index) const
|
||||
{
|
||||
Q_ASSERT(m_profilerDataModel);
|
||||
return m_profilerDataModel->getFilename(index);
|
||||
}
|
||||
|
||||
int TimelineRenderer::getLine(int index) const
|
||||
{
|
||||
Q_ASSERT(m_profilerDataModel);
|
||||
return m_profilerDataModel->getLine(index);
|
||||
}
|
||||
|
||||
QString TimelineRenderer::getDetails(int index) const
|
||||
{
|
||||
Q_ASSERT(m_profilerDataModel);
|
||||
return m_profilerDataModel->getDetails(index);
|
||||
}
|
||||
|
||||
int TimelineRenderer::getYPosition(int index) const
|
||||
{
|
||||
Q_ASSERT(m_profilerDataModel);
|
||||
if (index >= m_profilerDataModel->count() || m_rowStarts.isEmpty())
|
||||
return 0;
|
||||
int y, eventType = m_profilerDataModel->getType(index);
|
||||
if (m_rowsExpanded[eventType])
|
||||
y = m_rowStarts[eventType] + DefaultRowHeight *
|
||||
(m_profilerDataModel->eventPosInType(index) + 1);
|
||||
else
|
||||
y = m_rowStarts[eventType] + DefaultRowHeight *
|
||||
m_profilerDataModel->getNestingLevel(index);
|
||||
return y;
|
||||
}
|
||||
|
||||
void TimelineRenderer::setRowExpanded(int rowIndex, bool expanded)
|
||||
{
|
||||
m_rowsExpanded[rowIndex] = expanded;
|
||||
update();
|
||||
}
|
||||
|
||||
void TimelineRenderer::selectNext()
|
||||
{
|
||||
if (m_profilerDataModel->count() == 0)
|
||||
return;
|
||||
|
||||
// select next in view or after
|
||||
int newIndex = m_selectedItem+1;
|
||||
if (newIndex >= m_profilerDataModel->count())
|
||||
newIndex = 0;
|
||||
if (m_profilerDataModel->getEndTime(newIndex) < m_startTime)
|
||||
newIndex = m_profilerDataModel->findFirstIndexNoParents(m_startTime);
|
||||
setSelectedItem(newIndex);
|
||||
}
|
||||
|
||||
void TimelineRenderer::selectPrev()
|
||||
{
|
||||
if (m_profilerDataModel->count() == 0)
|
||||
return;
|
||||
|
||||
// select last in view or before
|
||||
int newIndex = m_selectedItem-1;
|
||||
if (newIndex < 0)
|
||||
newIndex = m_profilerDataModel->count()-1;
|
||||
if (m_profilerDataModel->getStartTime(newIndex) > m_endTime)
|
||||
newIndex = m_profilerDataModel->findLastIndex(m_endTime);
|
||||
setSelectedItem(newIndex);
|
||||
}
|
||||
|
||||
int TimelineRenderer::nextItemFromId(int eventId) const
|
||||
{
|
||||
int ndx = -1;
|
||||
if (m_selectedItem == -1)
|
||||
ndx = m_profilerDataModel->findFirstIndexNoParents(m_startTime);
|
||||
else
|
||||
ndx = m_selectedItem + 1;
|
||||
if (ndx >= m_profilerDataModel->count())
|
||||
ndx = 0;
|
||||
int startIndex = ndx;
|
||||
do {
|
||||
if (m_profilerDataModel->getEventId(ndx) == eventId)
|
||||
return ndx;
|
||||
ndx = (ndx + 1) % m_profilerDataModel->count();
|
||||
} while (ndx != startIndex);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int TimelineRenderer::prevItemFromId(int eventId) const
|
||||
{
|
||||
int ndx = -1;
|
||||
if (m_selectedItem == -1)
|
||||
ndx = m_profilerDataModel->findFirstIndexNoParents(m_startTime);
|
||||
else
|
||||
ndx = m_selectedItem - 1;
|
||||
if (ndx < 0)
|
||||
ndx = m_profilerDataModel->count() - 1;
|
||||
int startIndex = ndx;
|
||||
do {
|
||||
if (m_profilerDataModel->getEventId(ndx) == eventId)
|
||||
return ndx;
|
||||
if (--ndx < 0)
|
||||
ndx = m_profilerDataModel->count()-1;
|
||||
} while (ndx != startIndex);
|
||||
return -1;
|
||||
}
|
||||
|
||||
void TimelineRenderer::selectNextFromId(int eventId)
|
||||
{
|
||||
int eventIndex = nextItemFromId(eventId);
|
||||
if (eventIndex != -1)
|
||||
setSelectedItem(eventIndex);
|
||||
}
|
||||
|
||||
void TimelineRenderer::selectPrevFromId(int eventId)
|
||||
{
|
||||
int eventIndex = prevItemFromId(eventId);
|
||||
if (eventIndex != -1)
|
||||
setSelectedItem(eventIndex);
|
||||
}
|
||||
Reference in New Issue
Block a user