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Ulf Hermann authored
By returning early from the method painting the binding loop markers painter states could be left on the stack, triggering error messages later. Change-Id: I0b9c336e44a28feec96c506d0e3d0da291054bbd Reviewed-by:
Kai Koehne <kai.koehne@digia.com>
Ulf Hermann authoredBy returning early from the method painting the binding loop markers painter states could be left on the stack, triggering error messages later. Change-Id: I0b9c336e44a28feec96c506d0e3d0da291054bbd Reviewed-by:
Kai Koehne <kai.koehne@digia.com>
timelinerenderer.cpp 19.52 KiB
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#include "timelinerenderer.h"
#include <QQmlContext>
#include <QQmlProperty>
#include <QTimer>
#include <QPixmap>
#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QVarLengthArray>
#include <math.h>
using namespace QmlProfiler::Internal;
const int DefaultRowHeight = 30;
TimelineRenderer::TimelineRenderer(QQuickPaintedItem *parent) :
QQuickPaintedItem(parent), m_startTime(0), m_endTime(0), m_spacing(0),
m_lastStartTime(0), m_lastEndTime(0)
, m_profilerModelProxy(0)
{
clearData();
setAcceptedMouseButtons(Qt::LeftButton);
setAcceptHoverEvents(true);
}
void TimelineRenderer::setProfilerModelProxy(QObject *profilerModelProxy)
{
if (m_profilerModelProxy)
disconnect(m_profilerModelProxy, SIGNAL(expandedChanged()), this, SLOT(requestPaint()));
m_profilerModelProxy = qobject_cast<TimelineModelAggregator *>(profilerModelProxy);
if (m_profilerModelProxy)
connect(m_profilerModelProxy, SIGNAL(expandedChanged()), this, SLOT(requestPaint()));
emit profilerModelProxyChanged(m_profilerModelProxy);
}
void TimelineRenderer::componentComplete()
{
const QMetaObject *metaObject = this->metaObject();
int propertyCount = metaObject->propertyCount();
int requestPaintMethod = metaObject->indexOfMethod("requestPaint()");
for (int ii = TimelineRenderer::staticMetaObject.propertyCount(); ii < propertyCount; ++ii) {
QMetaProperty p = metaObject->property(ii);
if (p.hasNotifySignal())
QMetaObject::connect(this, p.notifySignalIndex(), this, requestPaintMethod, 0, 0);
}
QQuickItem::componentComplete();
}
void TimelineRenderer::requestPaint()
{
update();
}
void TimelineRenderer::paint(QPainter *p)
{
qint64 windowDuration = m_endTime - m_startTime;
if (windowDuration <= 0)
return;
m_spacing = qreal(width()) / windowDuration;
p->setPen(Qt::transparent);
for (int modelIndex = 0; modelIndex < m_profilerModelProxy->modelCount(); modelIndex++) {
int lastIndex = m_profilerModelProxy->findLastIndex(modelIndex, m_endTime);
if (lastIndex >= 0 && lastIndex < m_profilerModelProxy->count(modelIndex)) {
int firstIndex = m_profilerModelProxy->findFirstIndex(modelIndex, m_startTime);
if (firstIndex >= 0) {
drawItemsToPainter(p, modelIndex, firstIndex, lastIndex);
if (m_selectedModel == modelIndex)
drawSelectionBoxes(p, modelIndex, firstIndex, lastIndex);
drawBindingLoopMarkers(p, modelIndex, firstIndex, lastIndex);
}
}
}
m_lastStartTime = m_startTime;
m_lastEndTime = m_endTime;
}
void TimelineRenderer::drawItemsToPainter(QPainter *p, int modelIndex, int fromIndex, int toIndex)
{
p->save();
p->setPen(Qt::transparent);
int modelRowStart = 0;
for (int mi = 0; mi < modelIndex; mi++)
modelRowStart += m_profilerModelProxy->rowCount(mi);
for (int i = fromIndex; i <= toIndex; i++) {
int currentX, currentY, itemWidth, itemHeight;
currentX = (m_profilerModelProxy->getStartTime(modelIndex, i) - m_startTime) * m_spacing;
int rowNumber = m_profilerModelProxy->getEventRow(modelIndex, i);
currentY = (modelRowStart + rowNumber) * DefaultRowHeight - y();
if (currentY >= height())
continue;
itemWidth = m_profilerModelProxy->getDuration(modelIndex, i) * m_spacing;
if (itemWidth < 1)
itemWidth = 1;
itemHeight = DefaultRowHeight * m_profilerModelProxy->getHeight(modelIndex, i);
currentY += DefaultRowHeight - itemHeight;
if (currentY + itemHeight < 0)
continue;
// normal events
p->setBrush(m_profilerModelProxy->getColor(modelIndex, i));
p->drawRect(currentX, currentY, itemWidth, itemHeight);
}
p->restore();
}
void TimelineRenderer::drawSelectionBoxes(QPainter *p, int modelIndex, int fromIndex, int toIndex)
{
if (m_selectedItem == -1)
return;
int id = m_profilerModelProxy->getEventId(modelIndex, m_selectedItem);
int modelRowStart = 0;
for (int mi = 0; mi < modelIndex; mi++)
modelRowStart += m_profilerModelProxy->rowCount(mi);
p->save();
QColor selectionColor = Qt::blue;
if (m_selectionLocked)
selectionColor = QColor(96,0,255);
QPen strongPen(selectionColor, 3);
QPen lightPen(QBrush(selectionColor.lighter(130)), 2);
lightPen.setJoinStyle(Qt::MiterJoin);
p->setPen(lightPen);
p->setBrush(Qt::transparent);
int currentX, currentY, itemWidth;
QRect selectedItemRect(0,0,0,0);
for (int i = fromIndex; i <= toIndex; i++) {
if (m_profilerModelProxy->getEventId(modelIndex, i) != id)
continue;
currentX = (m_profilerModelProxy->getStartTime(modelIndex, i) - m_startTime) * m_spacing;
currentY = (modelRowStart + m_profilerModelProxy->getEventRow(modelIndex, i)) * DefaultRowHeight - y();
if (currentY + DefaultRowHeight < 0 || height() < currentY)
continue;
itemWidth = m_profilerModelProxy->getDuration(modelIndex, i) * m_spacing;
if (itemWidth < 1)
itemWidth = 1;
if (i == m_selectedItem)
selectedItemRect = QRect(currentX, currentY - 1, itemWidth, DefaultRowHeight + 1);
else
p->drawRect(currentX, currentY, itemWidth, DefaultRowHeight);
}
// draw the selected item rectangle the last, so that it's overlayed
if (selectedItemRect.width() != 0) {
p->setPen(strongPen);
p->drawRect(selectedItemRect);
}
p->restore();
}
void TimelineRenderer::drawBindingLoopMarkers(QPainter *p, int modelIndex, int fromIndex, int toIndex)
{
int destindex;
int xfrom, xto;
int yfrom, yto;
int radius = DefaultRowHeight / 3;
QPen shadowPen = QPen(QColor("grey"),2);
QPen markerPen = QPen(QColor("orange"),2);
QBrush shadowBrush = QBrush(QColor("grey"));
QBrush markerBrush = QBrush(QColor("orange"));
p->save();
for (int i = fromIndex; i <= toIndex; i++) {
destindex = m_profilerModelProxy->getBindingLoopDest(modelIndex, i);
if (destindex >= 0) {
// from
xfrom = (m_profilerModelProxy->getStartTime(modelIndex, i) +
m_profilerModelProxy->getDuration(modelIndex, i)/2 -
m_startTime) * m_spacing;
yfrom = getYPosition(modelIndex, i) + DefaultRowHeight / 2 - y();
// to
xto = (m_profilerModelProxy->getStartTime(modelIndex, destindex) +
m_profilerModelProxy->getDuration(modelIndex, destindex)/2 -
m_startTime) * m_spacing;
yto = getYPosition(modelIndex, destindex) + DefaultRowHeight / 2 - y();
// radius
int eventWidth = m_profilerModelProxy->getDuration(modelIndex, i) * m_spacing;
radius = 5;
if (radius * 2 > eventWidth)
radius = eventWidth / 2;
if (radius < 2)
radius = 2;
int shadowoffset = 2;
if ((yfrom + radius + shadowoffset < 0 && yto + radius + shadowoffset < 0) ||
(yfrom - radius >= height() && yto - radius >= height()))
break;
// shadow
p->setPen(shadowPen);
p->setBrush(shadowBrush);
p->drawEllipse(QPoint(xfrom, yfrom + shadowoffset), radius, radius);
p->drawEllipse(QPoint(xto, yto + shadowoffset), radius, radius);
p->drawLine(QPoint(xfrom, yfrom + shadowoffset), QPoint(xto, yto + shadowoffset));
// marker
p->setPen(markerPen);
p->setBrush(markerBrush);
p->drawEllipse(QPoint(xfrom, yfrom), radius, radius);
p->drawEllipse(QPoint(xto, yto), radius, radius);
p->drawLine(QPoint(xfrom, yfrom), QPoint(xto, yto));
}
}
p->restore();
}
int TimelineRenderer::modelFromPosition(int y)
{
y = y / DefaultRowHeight;
for (int modelIndex = 0; modelIndex < m_profilerModelProxy->modelCount(); modelIndex++) {
y -= m_profilerModelProxy->rowCount(modelIndex);
if (y < 0)
return modelIndex;
}
return 0;
}
void TimelineRenderer::mousePressEvent(QMouseEvent *event)
{
// special case: if there is a drag area below me, don't accept the
// events unless I'm actually clicking inside an item
if (m_currentSelection.eventIndex == -1 &&
event->pos().x()+x() >= m_startDragArea &&
event->pos().x()+x() <= m_endDragArea)
event->setAccepted(false);
}
void TimelineRenderer::mouseReleaseEvent(QMouseEvent *event)
{
Q_UNUSED(event);
manageClicked();
}
void TimelineRenderer::mouseMoveEvent(QMouseEvent *event)
{
event->setAccepted(false);
}
void TimelineRenderer::hoverMoveEvent(QHoverEvent *event)
{
Q_UNUSED(event);
manageHovered(event->pos().x(), event->pos().y());
if (m_currentSelection.eventIndex == -1)
event->setAccepted(false);
}
void TimelineRenderer::manageClicked()
{
if (m_currentSelection.eventIndex != -1) {
if (m_currentSelection.eventIndex == m_selectedItem && m_currentSelection.modelIndex == m_selectedModel)
setSelectionLocked(!m_selectionLocked);
else
setSelectionLocked(true);
emit itemPressed(m_currentSelection.modelIndex, m_currentSelection.eventIndex);
} else {
setSelectionLocked(false);
}
setSelectedModel(m_currentSelection.modelIndex);
setSelectedItem(m_currentSelection.eventIndex);
}
void TimelineRenderer::manageHovered(int mouseX, int mouseY)
{
if (m_endTime - m_startTime <=0 || m_lastEndTime - m_lastStartTime <= 0)
return;
qint64 time = mouseX * (m_endTime - m_startTime) / width() + m_startTime;
int row = (mouseY + y()) / DefaultRowHeight;
int modelIndex = modelFromPosition(mouseY + y());
// already covered? nothing to do
if (m_currentSelection.eventIndex != -1 &&
time >= m_currentSelection.startTime &&
time <= m_currentSelection.endTime &&
row == m_currentSelection.row) {
return;
}
// find if there's items in the time range
int eventFrom = m_profilerModelProxy->findFirstIndex(modelIndex, time);
int eventTo = m_profilerModelProxy->findLastIndex(modelIndex, time);
if (eventFrom == -1 ||
eventTo < eventFrom || eventTo >= m_profilerModelProxy->count()) {
m_currentSelection.eventIndex = -1;
return;
}
int modelRowStart = 0;
for (int mi = 0; mi < modelIndex; mi++)
modelRowStart += m_profilerModelProxy->rowCount(mi);
// find if we are in the right column
int itemRow;
for (int i=eventTo; i>=eventFrom; --i) {
if (ceil(m_profilerModelProxy->getEndTime(modelIndex, i)*m_spacing) < floor(time*m_spacing))
continue;
itemRow = modelRowStart + m_profilerModelProxy->getEventRow(modelIndex, i);
if (itemRow == row) {
// match
m_currentSelection.eventIndex = i;
m_currentSelection.startTime = m_profilerModelProxy->getStartTime(modelIndex, i);
m_currentSelection.endTime = m_profilerModelProxy->getEndTime(modelIndex, i);
m_currentSelection.row = row;
m_currentSelection.modelIndex = modelIndex;
if (!m_selectionLocked) {
setSelectedModel(modelIndex);
setSelectedItem(i);
}
return;
}
}
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_currentSelection.modelIndex = -1;
m_selectedItem = -1;
m_selectedModel = -1;
m_selectionLocked = true;
}
int TimelineRenderer::getYPosition(int modelIndex, int index) const
{
Q_ASSERT(m_profilerModelProxy);
if (index >= m_profilerModelProxy->count())
return 0;
int modelRowStart = 0;
for (int mi = 0; mi < modelIndex; mi++)
modelRowStart += m_profilerModelProxy->rowCount(mi);
int y = DefaultRowHeight * (modelRowStart + m_profilerModelProxy->getEventRow(modelIndex, index));
return y;
}
void TimelineRenderer::selectNext()
{
if (m_profilerModelProxy->count() == 0)
return;
qint64 searchTime = m_startTime;
if (m_selectedItem != -1)
searchTime = m_profilerModelProxy->getStartTime(m_selectedModel, m_selectedItem);
QVarLengthArray<int> itemIndexes(m_profilerModelProxy->modelCount());
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++) {
if (m_profilerModelProxy->count(i) > 0) {
if (m_selectedModel == i) {
itemIndexes[i] = (m_selectedItem + 1) % m_profilerModelProxy->count(i);
} else {
if (m_profilerModelProxy->getStartTime(i, 0) > searchTime)
itemIndexes[i] = 0;
else
itemIndexes[i] = (m_profilerModelProxy->findLastIndex(i, searchTime) + 1) % m_profilerModelProxy->count(i);
}
} else {
itemIndexes[i] = -1;
}
}
int candidateModelIndex = -1;
qint64 candidateStartTime = m_profilerModelProxy->traceEndTime();
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++) {
if (itemIndexes[i] == -1)
continue;
qint64 newStartTime = m_profilerModelProxy->getStartTime(i, itemIndexes[i]);
if (newStartTime > searchTime && newStartTime < candidateStartTime) {
candidateStartTime = newStartTime;
candidateModelIndex = i;
}
}
int itemIndex;
if (candidateModelIndex != -1) {
itemIndex = itemIndexes[candidateModelIndex];
} else {
// find the first index of them all (todo: the modelproxy should do this)
itemIndex = -1;
candidateStartTime = m_profilerModelProxy->traceEndTime();
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++)
if (m_profilerModelProxy->count(i) > 0 &&
m_profilerModelProxy->getStartTime(i,0) < candidateStartTime) {
candidateModelIndex = i;
itemIndex = 0;
candidateStartTime = m_profilerModelProxy->getStartTime(i,0);
}
}
setSelectedModel(candidateModelIndex);
setSelectedItem(itemIndex);
}
void TimelineRenderer::selectPrev()
{
if (m_profilerModelProxy->count() == 0)
return;
qint64 searchTime = m_endTime;
if (m_selectedItem != -1)
searchTime = m_profilerModelProxy->getEndTime(m_selectedModel, m_selectedItem);
QVarLengthArray<int> itemIndexes(m_profilerModelProxy->modelCount());
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++) {
if (m_selectedModel == i) {
itemIndexes[i] = m_selectedItem - 1;
if (itemIndexes[i] < 0)
itemIndexes[i] = m_profilerModelProxy->count(m_selectedModel) -1;
}
else
itemIndexes[i] = m_profilerModelProxy->findLastIndex(i, searchTime);
}
int candidateModelIndex = -1;
qint64 candidateStartTime = m_profilerModelProxy->traceStartTime();
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++) {
if (itemIndexes[i] == -1
|| itemIndexes[i] >= m_profilerModelProxy->count(i))
continue;
qint64 newStartTime = m_profilerModelProxy->getStartTime(i, itemIndexes[i]);
if (newStartTime < searchTime && newStartTime > candidateStartTime) {
candidateStartTime = newStartTime;
candidateModelIndex = i;
}
}
int itemIndex = -1;
if (candidateModelIndex != -1) {
itemIndex = itemIndexes[candidateModelIndex];
} else {
// find the last index of them all (todo: the modelproxy should do this)
candidateModelIndex = 0;
candidateStartTime = m_profilerModelProxy->traceStartTime();
for (int i = 0; i < m_profilerModelProxy->modelCount(); i++)
if (m_profilerModelProxy->count(i) > 0 &&
m_profilerModelProxy->getStartTime(i,m_profilerModelProxy->count(i)-1) > candidateStartTime) {
candidateModelIndex = i;
itemIndex = m_profilerModelProxy->count(candidateModelIndex) - 1;
candidateStartTime = m_profilerModelProxy->getStartTime(i,m_profilerModelProxy->count(i)-1);
}
}
setSelectedModel(candidateModelIndex);
setSelectedItem(itemIndex);
}
int TimelineRenderer::nextItemFromId(int modelIndex, int eventId) const
{
int ndx = -1;
if (m_selectedItem == -1)
ndx = m_profilerModelProxy->findFirstIndexNoParents(modelIndex, m_startTime);
else
ndx = m_selectedItem + 1;
if (ndx < 0)
return -1;
if (ndx >= m_profilerModelProxy->count(modelIndex))
ndx = 0;
int startIndex = ndx;
do {
if (m_profilerModelProxy->getEventId(modelIndex, ndx) == eventId)
return ndx;
ndx = (ndx + 1) % m_profilerModelProxy->count(modelIndex);
} while (ndx != startIndex);
return -1;
}
int TimelineRenderer::prevItemFromId(int modelIndex, int eventId) const
{
int ndx = -1;
if (m_selectedItem == -1)
ndx = m_profilerModelProxy->findFirstIndexNoParents(modelIndex, m_startTime);
else
ndx = m_selectedItem - 1;
if (ndx < 0)
ndx = m_profilerModelProxy->count(modelIndex) - 1;
int startIndex = ndx;
do {
if (m_profilerModelProxy->getEventId(modelIndex, ndx) == eventId)
return ndx;
if (--ndx < 0)
ndx = m_profilerModelProxy->count(modelIndex)-1;
} while (ndx != startIndex);
return -1;
}
void TimelineRenderer::selectNextFromId(int modelIndex, int eventId)
{
int eventIndex = nextItemFromId(modelIndex, eventId);
if (eventIndex != -1) {
setSelectedModel(modelIndex);
setSelectedItem(eventIndex);
}
}
void TimelineRenderer::selectPrevFromId(int modelIndex, int eventId)
{
int eventIndex = prevItemFromId(modelIndex, eventId);
if (eventIndex != -1) {
setSelectedModel(modelIndex);
setSelectedItem(eventIndex);
}
}