void
RoutingStatsScene::reloadContent(bool force)
{
if(m_nodeIdProxyWidgets.empty())
{
return;
}
m_lastX = 0;
m_lastY = 0;
m_bottomY = 0;
qreal currentTime = StatsMode::getInstance()->getCurrentTime();
qreal currentMaxHeight = 0;
for(NodeIdProxyWidgetMap_t::const_iterator i = m_nodeIdProxyWidgets.begin();
i != m_nodeIdProxyWidgets.end();
++i)
{
QGraphicsProxyWidget * pw = i->second;
if((force) || (!m_lastTime) || (m_lastTime != currentTime))
{
updateContent(i->first, pw);
}
bool nodeIsActive = StatsMode::getInstance()->isNodeActive(i->first);
pw->setVisible(nodeIsActive);
if(nodeIsActive)
{
qreal newX = m_lastX + pw->size().width();
currentMaxHeight = qMax(currentMaxHeight, pw->size().height());
if(newX >= sceneRect().right())
{
m_lastX = 0;
m_lastY += currentMaxHeight + INTERSTATS_SPACE;
currentMaxHeight = 0;
}
pw->setPos(m_lastX, m_lastY);
m_lastX = pw->pos().x() + pw->size().width() + INTERSTATS_SPACE;
m_lastY = pw->pos().y();
m_bottomY = m_lastY + currentMaxHeight;
adjustRect();
}
}
m_lastTime = currentTime;
}
//! [0]
PadNavigator::PadNavigator(const QSize &size, QWidget *parent)
: QGraphicsView(parent)
{
//! [0]
//! [1]
// Splash item
SplashItem *splash = new SplashItem;
splash->setZValue(1);
//! [1]
//! [2]
// Pad item
FlippablePad *pad = new FlippablePad(size);
QGraphicsRotation *flipRotation = new QGraphicsRotation(pad);
QGraphicsRotation *xRotation = new QGraphicsRotation(pad);
QGraphicsRotation *yRotation = new QGraphicsRotation(pad);
flipRotation->setAxis(Qt::YAxis);
xRotation->setAxis(Qt::YAxis);
yRotation->setAxis(Qt::XAxis);
pad->setTransformations(QList<QGraphicsTransform *>()
<< flipRotation
<< xRotation << yRotation);
//! [2]
//! [3]
// Back (proxy widget) item
QGraphicsProxyWidget *backItem = new QGraphicsProxyWidget(pad);
QWidget *widget = new QWidget;
form.setupUi(widget);
form.hostName->setFocus();
backItem->setWidget(widget);
backItem->setVisible(false);
backItem->setFocus();
backItem->setCacheMode(QGraphicsItem::ItemCoordinateCache);
const QRectF r = backItem->rect();
backItem->setTransform(QTransform()
.rotate(180, Qt::YAxis)
.translate(-r.width()/2, -r.height()/2));
//! [3]
//! [4]
// Selection item
RoundRectItem *selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120), Qt::gray, pad);
selectionItem->setZValue(0.5);
//! [4]
//! [5]
// Splash animations
QPropertyAnimation *smoothSplashMove = new QPropertyAnimation(splash, "y");
QPropertyAnimation *smoothSplashOpacity = new QPropertyAnimation(splash, "opacity");
smoothSplashMove->setEasingCurve(QEasingCurve::InQuad);
smoothSplashMove->setDuration(250);
smoothSplashOpacity->setDuration(250);
//! [5]
//! [6]
// Selection animation
QPropertyAnimation *smoothXSelection = new QPropertyAnimation(selectionItem, "x");
QPropertyAnimation *smoothYSelection = new QPropertyAnimation(selectionItem, "y");
QPropertyAnimation *smoothXRotation = new QPropertyAnimation(xRotation, "angle");
QPropertyAnimation *smoothYRotation = new QPropertyAnimation(yRotation, "angle");
smoothXSelection->setDuration(125);
smoothYSelection->setDuration(125);
smoothXRotation->setDuration(125);
smoothYRotation->setDuration(125);
smoothXSelection->setEasingCurve(QEasingCurve::InOutQuad);
smoothYSelection->setEasingCurve(QEasingCurve::InOutQuad);
smoothXRotation->setEasingCurve(QEasingCurve::InOutQuad);
smoothYRotation->setEasingCurve(QEasingCurve::InOutQuad);
//! [6]
//! [7]
// Flip animation setup
QPropertyAnimation *smoothFlipRotation = new QPropertyAnimation(flipRotation, "angle");
QPropertyAnimation *smoothFlipScale = new QPropertyAnimation(pad, "scale");
QPropertyAnimation *smoothFlipXRotation = new QPropertyAnimation(xRotation, "angle");
QPropertyAnimation *smoothFlipYRotation = new QPropertyAnimation(yRotation, "angle");
QParallelAnimationGroup *flipAnimation = new QParallelAnimationGroup(this);
smoothFlipScale->setDuration(500);
smoothFlipRotation->setDuration(500);
smoothFlipXRotation->setDuration(500);
smoothFlipYRotation->setDuration(500);
smoothFlipScale->setEasingCurve(QEasingCurve::InOutQuad);
smoothFlipRotation->setEasingCurve(QEasingCurve::InOutQuad);
smoothFlipXRotation->setEasingCurve(QEasingCurve::InOutQuad);
smoothFlipYRotation->setEasingCurve(QEasingCurve::InOutQuad);
smoothFlipScale->setKeyValueAt(0, qvariant_cast<qreal>(1.0));
smoothFlipScale->setKeyValueAt(0.5, qvariant_cast<qreal>(0.7));
smoothFlipScale->setKeyValueAt(1, qvariant_cast<qreal>(1.0));
flipAnimation->addAnimation(smoothFlipRotation);
flipAnimation->addAnimation(smoothFlipScale);
flipAnimation->addAnimation(smoothFlipXRotation);
flipAnimation->addAnimation(smoothFlipYRotation);
//! [7]
//! [8]
// Flip animation delayed property assignment
QSequentialAnimationGroup *setVariablesSequence = new QSequentialAnimationGroup;
QPropertyAnimation *setFillAnimation = new QPropertyAnimation(pad, "fill");
QPropertyAnimation *setBackItemVisibleAnimation = new QPropertyAnimation(backItem, "visible");
QPropertyAnimation *setSelectionItemVisibleAnimation = new QPropertyAnimation(selectionItem, "visible");
setFillAnimation->setDuration(0);
setBackItemVisibleAnimation->setDuration(0);
setSelectionItemVisibleAnimation->setDuration(0);
setVariablesSequence->addPause(250);
setVariablesSequence->addAnimation(setBackItemVisibleAnimation);
setVariablesSequence->addAnimation(setSelectionItemVisibleAnimation);
setVariablesSequence->addAnimation(setFillAnimation);
flipAnimation->addAnimation(setVariablesSequence);
//! [8]
//! [9]
// Build the state machine
QStateMachine *stateMachine = new QStateMachine(this);
QState *splashState = new QState(stateMachine);
QState *frontState = new QState(stateMachine);
QHistoryState *historyState = new QHistoryState(frontState);
QState *backState = new QState(stateMachine);
//! [9]
//! [10]
frontState->assignProperty(pad, "fill", false);
frontState->assignProperty(splash, "opacity", 0.0);
frontState->assignProperty(backItem, "visible", false);
frontState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(0.0));
frontState->assignProperty(selectionItem, "visible", true);
backState->assignProperty(pad, "fill", true);
backState->assignProperty(backItem, "visible", true);
backState->assignProperty(xRotation, "angle", qvariant_cast<qreal>(0.0));
backState->assignProperty(yRotation, "angle", qvariant_cast<qreal>(0.0));
backState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(180.0));
backState->assignProperty(selectionItem, "visible", false);
stateMachine->addDefaultAnimation(smoothXRotation);
stateMachine->addDefaultAnimation(smoothYRotation);
stateMachine->addDefaultAnimation(smoothXSelection);
stateMachine->addDefaultAnimation(smoothYSelection);
stateMachine->setInitialState(splashState);
//! [10]
//! [11]
// Transitions
QEventTransition *anyKeyTransition = new QEventTransition(this, QEvent::KeyPress, splashState);
anyKeyTransition->setTargetState(frontState);
anyKeyTransition->addAnimation(smoothSplashMove);
anyKeyTransition->addAnimation(smoothSplashOpacity);
//! [11]
//! [12]
QKeyEventTransition *enterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Enter, backState);
QKeyEventTransition *returnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Return, backState);
QKeyEventTransition *backEnterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Enter, frontState);
QKeyEventTransition *backReturnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Return, frontState);
enterTransition->setTargetState(historyState);
returnTransition->setTargetState(historyState);
backEnterTransition->setTargetState(backState);
backReturnTransition->setTargetState(backState);
enterTransition->addAnimation(flipAnimation);
returnTransition->addAnimation(flipAnimation);
backEnterTransition->addAnimation(flipAnimation);
backReturnTransition->addAnimation(flipAnimation);
//! [12]
//! [13]
// Create substates for each icon; store in temporary grid.
int columns = size.width();
int rows = size.height();
QVector< QVector< QState * > > stateGrid;
stateGrid.resize(rows);
for (int y = 0; y < rows; ++y) {
stateGrid[y].resize(columns);
for (int x = 0; x < columns; ++x)
stateGrid[y][x] = new QState(frontState);
}
frontState->setInitialState(stateGrid[0][0]);
selectionItem->setPos(pad->iconAt(0, 0)->pos());
//! [13]
//! [14]
// Enable key navigation using state transitions
for (int y = 0; y < rows; ++y) {
for (int x = 0; x < columns; ++x) {
QState *state = stateGrid[y][x];
QKeyEventTransition *rightTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Right, state);
QKeyEventTransition *leftTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Left, state);
QKeyEventTransition *downTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Down, state);
QKeyEventTransition *upTransition = new QKeyEventTransition(this, QEvent::KeyPress,
Qt::Key_Up, state);
rightTransition->setTargetState(stateGrid[y][(x + 1) % columns]);
leftTransition->setTargetState(stateGrid[y][((x - 1) + columns) % columns]);
downTransition->setTargetState(stateGrid[(y + 1) % rows][x]);
upTransition->setTargetState(stateGrid[((y - 1) + rows) % rows][x]);
//! [14]
//! [15]
RoundRectItem *icon = pad->iconAt(x, y);
state->assignProperty(xRotation, "angle", -icon->x() / 6.0);
state->assignProperty(yRotation, "angle", icon->y() / 6.0);
state->assignProperty(selectionItem, "x", icon->x());
state->assignProperty(selectionItem, "y", icon->y());
frontState->assignProperty(icon, "visible", true);
backState->assignProperty(icon, "visible", false);
QPropertyAnimation *setIconVisibleAnimation = new QPropertyAnimation(icon, "visible");
setIconVisibleAnimation->setDuration(0);
setVariablesSequence->addAnimation(setIconVisibleAnimation);
}
}
//! [15]
//! [16]
// Scene
QGraphicsScene *scene = new QGraphicsScene(this);
scene->setBackgroundBrush(QPixmap(":/images/blue_angle_swirl.jpg"));
scene->setItemIndexMethod(QGraphicsScene::NoIndex);
scene->addItem(pad);
scene->setSceneRect(scene->itemsBoundingRect());
setScene(scene);
//! [16]
//! [17]
// Adjust splash item to scene contents
const QRectF sbr = splash->boundingRect();
splash->setPos(-sbr.width() / 2, scene->sceneRect().top() - 2);
frontState->assignProperty(splash, "y", splash->y() - 100.0);
scene->addItem(splash);
//! [17]
//! [18]
// View
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setMinimumSize(50, 50);
setViewportUpdateMode(FullViewportUpdate);
setCacheMode(CacheBackground);
setRenderHints(QPainter::Antialiasing
| QPainter::SmoothPixmapTransform
| QPainter::TextAntialiasing);
#ifndef QT_NO_OPENGL
setViewport(new QOpenGLWidget);
#endif
stateMachine->start();
//! [18]
}
/*
Most important function of an interactor component
When an event arrive on your interactor : this function is call
You have to process it and return true. If the event do nothing in your interactor : this function
return false;
*/
bool eventFilter(QObject *, QEvent *e) {
/*
If you have clicked on a node/edge, information widget is visible.
And if you use the wheel of the mouse we hide the information widget
*/
if (_informationWidgetItem->isVisible() && e->type() == QEvent::Wheel) {
_informationWidgetItem->setVisible(false);
return false;
}
/*
Check if the event is a mouse event
*/
QMouseEvent *qMouseEv = dynamic_cast<QMouseEvent *>(e);
if (qMouseEv != nullptr) {
GlMainView *glMainView = static_cast<GlMainView *>(view());
/*
Check if event is a left mouse button press
*/
if (e->type() == QEvent::MouseButtonPress && qMouseEv->button() == Qt::LeftButton) {
/*
If you have clicked on a node/edge, information widget is visible.
And if you reclick : hide it
*/
if (_informationWidgetItem->isVisible()) {
_informationWidgetItem->setVisible(false);
} else {
/*
Select entities under the mouse cursor
The result of selection is stored in SelectedEntity
And pickNodesEdges return true if you click on node or edge
*/
SelectedEntity selectedEntity;
if (glMainView->getGlMainWidget()->pickNodesEdges(qMouseEv->x(), qMouseEv->y(),
selectedEntity)) {
/*
Change text of the information label with
- If you click on a node : "Click on node id : nodeId"
- If you click on an edge : "Click on edge id : edgeId"
*/
QString text("Click on ");
if (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)
text += "node ";
else
text += "edge ";
text += " id : " + QString::number(selectedEntity.getComplexEntityId());
/*
- Update QLabel with new text
- Auto resize QLabel
- Set position of the label at mouse position
- Display it
*/
_informationLabel->setText(text);
_informationLabel->adjustSize();
_informationWidgetItem->setPos(qMouseEv->pos());
_informationWidgetItem->setVisible(true);
/*
Here we just add a small smooth animation on the label pop
*/
QPropertyAnimation *animation =
new QPropertyAnimation(_informationWidgetItem, "opacity");
animation->setDuration(100);
animation->setStartValue(0.);
animation->setEndValue(0.99);
animation->start();
/*
We have treated the event so we return true
*/
return true;
}
}
}
}
/*
We don't have treated the event se we return false
*/
return false;
}
/*
Basic constructor
In this constructor we create a label to display information
And a QGraphicsProxyWidget to show information in Tulip QGraphics system
*/
InteractorPluginComponent() {
_informationLabel = new QLabel();
_informationWidgetItem = new QGraphicsProxyWidget();
_informationWidgetItem->setWidget(_informationLabel);
_informationWidgetItem->setVisible(false);
}
void
FlowMonStatsScene::align()
{
m_lastX = 0;
m_lastY = 0;
m_bottomY = 0;
qreal currentMaxHeight = 0;
for(FlowIdProxyWidgetMap_t::const_iterator i = m_flowIdProxyWidgets.begin();
i != m_flowIdProxyWidgets.end();
++i)
{
QGraphicsProxyWidget * pw = i->second;
bool flowIsActive = StatsMode::getInstance()->isNodeActive(i->first);
pw->setVisible(flowIsActive);
if(flowIsActive)
{
TextBubble * tb = (TextBubble *) pw->widget();
QFont f(tb->font());
f.setPointSizeF(StatsMode::getInstance()->getCurrentFontSize());
tb->setFont(f);
QFontMetrics fm(f);
pw->setMaximumHeight(fm.height() * tb->text().count("\n"));
pw->adjustSize();
qreal newX = m_lastX + pw->size().width();
currentMaxHeight = qMax(currentMaxHeight, pw->size().height());
if(newX >= sceneRect().right())
{
m_lastX = 0;
m_lastY += currentMaxHeight + INTERSTATS_SPACE;
currentMaxHeight = 0;
}
pw->setPos(m_lastX, m_lastY);
m_lastX = pw->pos().x() + pw->size().width() + INTERSTATS_SPACE;
m_lastY = pw->pos().y();
m_bottomY = m_lastY + currentMaxHeight;
adjustRect();
}
}
if(m_flowProbeWidget)
{
QGraphicsProxyWidget * pw = m_flowProbeWidget;
TextBubble * tb = (TextBubble *) pw->widget();
QFont f(tb->font());
f.setPointSizeF(StatsMode::getInstance()->getCurrentFontSize());
tb->setFont(f);
QFontMetrics fm(f);
pw->setMaximumHeight(fm.height() * tb->text().count("\n"));
pw->adjustSize();
qreal newX = m_lastX + pw->size().width();
currentMaxHeight = qMax(currentMaxHeight, pw->size().height());
if(newX >= sceneRect().right())
{
m_lastX = 0;
m_lastY += currentMaxHeight + INTERSTATS_SPACE;
currentMaxHeight = 0;
}
pw->setPos(m_lastX, m_lastY);
m_lastX = pw->pos().x() + pw->size().width() + INTERSTATS_SPACE;
m_lastY = pw->pos().y();
m_bottomY = m_lastY + currentMaxHeight;
adjustRect();
}
}
