void DiscountPage::setupItemAnimations()
{
QState *smallState = new QState();
QState *bigState = new QState();
for (int i = 0; i < this->m_itemList.size(); i++) {
smallState->assignProperty(this->m_itemList[i],"scale", 0);
bigState->assignProperty(this->m_itemList[i],"scale",1);
}
QSequentialAnimationGroup *showItemGroup = new QSequentialAnimationGroup(this);
for (int i = 0; i < this->m_itemList.size(); i++) {
QPropertyAnimation *anim = new QPropertyAnimation(this->m_itemList[i], "scale", this);
anim->setDuration(300);
anim->setEasingCurve(QEasingCurve::OutBack);
showItemGroup->addAnimation(anim);
}
QSignalTransition *trans = smallState->addTransition(this, SIGNAL(start()), bigState);
trans->addAnimation(showItemGroup);
connect(showItemGroup,SIGNAL(finished()),this,SLOT(startSelect()));
trans = bigState->addTransition(this,SIGNAL(quitPage()),smallState);
connect(smallState,SIGNAL(entered()),this,SLOT(closeSelect()));
QStateMachine *states = new QStateMachine(this);
states->addState(smallState);
states->addState(bigState);
states->setInitialState(smallState);
states->start();
}
void DockPanel::initShowHideAnimation()
{
QStateMachine * machine = new QStateMachine(this);
QState * showState = new QState(machine);
showState->assignProperty(this,"y", 0);
QState * hideState = new QState(machine);
//y should change with DockMode changed
connect(this, &DockPanel::startHide, [=]{
hideState->assignProperty(this,"y", m_dockModeData->getDockHeight());
});
machine->setInitialState(showState);
QPropertyAnimation *showAnimation = new QPropertyAnimation(this, "y");
showAnimation->setDuration(SHOW_ANIMATION_DURATION);
showAnimation->setEasingCurve(SHOW_EASINGCURVE);
connect(showAnimation,&QPropertyAnimation::finished,this,&DockPanel::onShowPanelFinished);
QPropertyAnimation *hideAnimation = new QPropertyAnimation(this, "y");
hideAnimation->setDuration(HIDE_ANIMATION_DURATION);
hideAnimation->setEasingCurve(HIDE_EASINGCURVE);
connect(hideAnimation,&QPropertyAnimation::finished,this,&DockPanel::onHidePanelFinished);
QSignalTransition *st = showState->addTransition(this,SIGNAL(startHide()), hideState);
st->addAnimation(hideAnimation);
QSignalTransition *ht = hideState->addTransition(this,SIGNAL(startShow()),showState);
ht->addAnimation(showAnimation);
machine->start();
}
//! [3]
Q_DECL_EXPORT int main(int argc, char **argv)
{
Application app(argc, argv);
Factorial factorial;
// Create the state machine
QStateMachine machine;
//! [3]
//! [4]
// Create the 'compute' state as child of the state machine
QState *compute = new QState(&machine);
// Initialize the 'fac', 'x' and 'xorig' properties of the Factorial object whenever the compute state is entered
compute->assignProperty(&factorial, "fac", 1);
compute->assignProperty(&factorial, "x", 6);
compute->assignProperty(&factorial, "xorig", 6);
/**
* Add the custom transition to the compute state.
* Note: This transition has the compute state as source and target state.
*/
compute->addTransition(new FactorialLoopTransition(&factorial));
//! [4]
//! [5]
// Create a final state
QFinalState *done = new QFinalState(&machine);
// Add a custom transition with the 'compute' state as source state and the 'done' state as target state
FactorialDoneTransition *doneTransition = new FactorialDoneTransition(&factorial);
doneTransition->setTargetState(done);
compute->addTransition(doneTransition);
//! [5]
//! [6]
// Set the 'compute' state as initial state of the state machine
machine.setInitialState(compute);
// Load the UI description from main.qml
QmlDocument *qml = QmlDocument::create("asset:///main.qml");
// Make the Factorial and StateMachine object available to the UI as context properties
qml->setContextProperty("_factorial", &factorial);
qml->setContextProperty("_machine", &machine);
// Create the application scene
AbstractPane *appPage = qml->createRootObject<AbstractPane>();
Application::instance()->setScene(appPage);
return Application::exec();
}
UIGraphicsZoomButton::UIGraphicsZoomButton(QIGraphicsWidget *pParent, const QIcon &icon, int iDirection)
: UIGraphicsButton(pParent, icon)
, m_iIndent(4)
, m_iDirection(iDirection)
, m_iAnimationDuration(200)
, m_pStateMachine(0)
, m_pForwardAnimation(0)
, m_pBackwardAnimation(0)
, m_fStateDefault(true)
{
/* Setup: */
setAcceptHoverEvents(true);
/* Create state machine: */
m_pStateMachine = new QStateMachine(this);
/* Create 'default' state: */
QState *pStateDefault = new QState(m_pStateMachine);
pStateDefault->assignProperty(this, "stateDefault", true);
/* Create 'zoomed' state: */
QState *pStateZoomed = new QState(m_pStateMachine);
pStateZoomed->assignProperty(this, "stateDefault", false);
/* Initial state is 'default': */
m_pStateMachine->setInitialState(pStateDefault);
/* Zoom animation: */
m_pForwardAnimation = new QPropertyAnimation(this, "geometry", this);
m_pForwardAnimation->setDuration(m_iAnimationDuration);
/* Unzoom animation: */
m_pBackwardAnimation = new QPropertyAnimation(this, "geometry", this);
m_pBackwardAnimation->setDuration(m_iAnimationDuration);
/* Add state transitions: */
QSignalTransition *pDefaultToZoomed = pStateDefault->addTransition(this, SIGNAL(sigHoverEnter()), pStateZoomed);
pDefaultToZoomed->addAnimation(m_pForwardAnimation);
QSignalTransition *pZoomedToDefault = pStateZoomed->addTransition(this, SIGNAL(sigHoverLeave()), pStateDefault);
pZoomedToDefault->addAnimation(m_pBackwardAnimation);
/* Start state-machine: */
m_pStateMachine->start();
}
//! [0]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QPushButton button;
QStateMachine machine;
//! [0]
//! [1]
QState *off = new QState();
off->assignProperty(&button, "text", "Off");
off->setObjectName("off");
QState *on = new QState();
on->setObjectName("on");
on->assignProperty(&button, "text", "On");
//! [1]
//! [2]
off->addTransition(&button, SIGNAL(clicked()), on);
on->addTransition(&button, SIGNAL(clicked()), off);
//! [2]
//! [3]
machine.addState(off);
machine.addState(on);
//! [3]
//! [4]
machine.setInitialState(off);
machine.start();
//! [4]
//! [5]
#if defined(Q_OS_SYMBIAN)
button.showMaximized();
#elif defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
button.show();
#else
button.resize(100, 50);
button.show();
#endif
return app.exec();
}
//! [0]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QPushButton button;
QStateMachine machine;
//! [0]
//! [1]
QState *off = new QState();
off->assignProperty(&button, "text", "Off");
off->setObjectName("off");
QState *on = new QState();
on->setObjectName("on");
on->assignProperty(&button, "text", "On");
//! [1]
//! [2]
off->addTransition(&button, SIGNAL(clicked()), on);
on->addTransition(&button, SIGNAL(clicked()), off);
//! [2]
//! [3]
machine.addState(off);
machine.addState(on);
//! [3]
//! [4]
machine.setInitialState(off);
machine.start();
//! [4]
//! [5]
button.resize(100, 50);
button.show();
return app.exec();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
// Загружаем интерфейс пользователя из формы и устанавливаем действия в меню
ui->setupUi(this);
connect(ui->action_start, SIGNAL(triggered()), ui->startButton, SLOT(click()));
connect(ui->action_exit, SIGNAL(triggered()), this, SLOT(close()));
connect(ui->action_Qt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
connect(ui->action_help, SIGNAL(triggered()), this, SLOT(showHelp()));
connect(ui->action_about, SIGNAL(triggered()), this, SLOT(showAbout()));
connect(ui->action_tech, SIGNAL(triggered()), this, SLOT(showTz()));
// Заводим машину состояний
QStateMachine *animation = new QStateMachine(this);
QState *idle = new QState();
QState *animating = new QState();
animating->assignProperty(ui->startButton,"text", tr("&Стоп"));
animating->assignProperty(ui->startButton,"icon", QIcon(":/icons/control-stop-square.png"));
animating->assignProperty(ui->action_start,"text",tr("О&становить анимацию"));
animating->assignProperty(ui->action_start,"icon", QIcon(":/icons/control-stop-square.png"));
idle->assignProperty(ui->startButton,"text", tr("Пу&ск"));
idle->assignProperty(ui->startButton,"icon", QIcon(":/icons/control.png"));
idle->assignProperty(ui->action_start,"text",tr("Запу&стить анимацию"));
idle->assignProperty(ui->action_start,"icon", QIcon(":/icons/control.png"));
QSignalTransition *startTransition = new QSignalTransition(ui->startButton, SIGNAL(clicked()), idle);
startTransition->setTargetState(animating);
QSignalTransition *stopTransition = new QSignalTransition(ui->startButton, SIGNAL(clicked()), animating);
stopTransition->setTargetState(idle);
QSignalTransition *doneTransition = new QSignalTransition(ui->widget, SIGNAL(animationStopped()), animating);
doneTransition->setTargetState(idle);
connect(startTransition, SIGNAL(triggered()), ui->widget, SLOT(startAnimation()));
connect(stopTransition, SIGNAL(triggered()), ui->widget, SLOT(stopAnimation()));
idle->addTransition(startTransition);
animating->addTransition(stopTransition);
animating->addTransition(doneTransition);
animation->addState(idle);
animation->addState(animating);
animation->setInitialState(idle);
animation->start();
// В Linux мячик иногда сразу не отображается...
ui->widget->updateGL();
}
void TMainWind::init()
{
setCentralWidget(m_canvas = new TCanvas);
QLabel* statusLabel = new QLabel;
statusBar()->addPermanentWidget(statusLabel);
QStateMachine* machine = new QStateMachine(this);
QState* creation = new QState;
QState* bending = new QState; // transformation
QState* painting = new QState;
QState* extrusion = new QState;
creation->assignProperty(m_canvas, "mode", TCanvas::Creation);
creation->assignProperty(statusLabel, "text", tr("Mode: Creation"));
creation->addTransition(m_canvas, SIGNAL(creationFinished()), painting);
bending->assignProperty(m_canvas, "mode", TCanvas::Bending);
bending->assignProperty(statusLabel, "text", tr("Mode: Bending"));
bending->addTransition(m_canvas, SIGNAL(bendingFinished()), painting);
painting->assignProperty(m_canvas, "mode", TCanvas::Painting);
painting->assignProperty(statusLabel, "text", tr("Mode: Painting"));
painting->addTransition(m_canvas, SIGNAL(toEdit()), extrusion);
extrusion->assignProperty(m_canvas, "mode", TCanvas::Extrusion);
extrusion->assignProperty(statusLabel, "text", tr("Mode: Extrusion"));
extrusion->addTransition(m_canvas, SIGNAL(extrusionFinished()), painting);
bending->addTransition(m_canvas, SIGNAL(restart()), creation);
painting->addTransition(m_canvas, SIGNAL(restart()), creation);
extrusion->addTransition(m_canvas, SIGNAL(restart()), creation);
machine->addState(creation);
machine->addState(bending);
machine->addState(painting);
machine->addState(extrusion);
machine->setInitialState(creation);
machine->start();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow),
stateMachine(new QStateMachine(this)),
lastSelectDir(OP_DIR)
{
ui->setupUi(this);
ui->listWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
//Setting states
QState *runningState = new QState();
QState *stopState = new QState();
stopState->addTransition(this,SIGNAL(started()),runningState);
runningState->addTransition(this,SIGNAL(finished()),stopState);
runningState->assignProperty(ui->addButton,"enabled","false");
runningState->assignProperty(ui->clearAllButton,"enabled","false");
runningState->assignProperty(ui->removeButton,"enabled","false");
stopState->assignProperty(ui->addButton,"enabled","true");
stopState->assignProperty(ui->clearAllButton,"enabled","true");
stopState->assignProperty(ui->removeButton,"enabled","true");
connect(runningState,&QState::entered,[&]{
qDebug()<<QTime::currentTime()<<"start convert";
});
connect(runningState,&QState::exited,[&]{
qDebug()<<QTime::currentTime()<<"stop convert";
});
connect(runningState,&QState::exited,[&]{
ui->progressBar->setValue(100);
QMessageBox::information(
this,
tr("Nook HD+ Manga Converter"),
tr("All job completed!") );
});
stateMachine->addState(stopState);
stateMachine->addState(runningState);
stateMachine->setInitialState(stopState);
connect(ui->convertButton,&QPushButton::clicked,this,&MainWindow::convert);
connect(ui->addButton,&QPushButton::clicked,this,&MainWindow::addBook);
connect(ui->clearAllButton,&QPushButton::clicked,ui->listWidget,&QListWidget::clear);
connect(ui->removeButton,&QPushButton::clicked,[&]{qDeleteAll(ui->listWidget->selectedItems());});
connect(this,&MainWindow::completed,ui->progressBar,&QProgressBar::setValue);
stateMachine->start();
}
ExampleView::ExampleView(QWidget* parent)
: QFrame(parent)
{
_score = 0;
setAcceptDrops(true);
setFocusPolicy(Qt::StrongFocus);
resetMatrix();
_fgPixmap = nullptr;
if (preferences.getBool(PREF_UI_CANVAS_FG_USECOLOR))
_fgColor = preferences.getColor(PREF_UI_CANVAS_FG_COLOR);
else {
_fgPixmap = new QPixmap(preferences.getString(PREF_UI_CANVAS_FG_WALLPAPER));
if (_fgPixmap == 0 || _fgPixmap->isNull())
qDebug("no valid pixmap %s", qPrintable(preferences.getString(PREF_UI_CANVAS_FG_WALLPAPER)));
}
// setup drag canvas state
sm = new QStateMachine(this);
QState* stateActive = new QState;
QState* s1 = new QState(stateActive);
s1->setObjectName("example-normal");
s1->assignProperty(this, "cursor", QCursor(Qt::ArrowCursor));
QState* s = new QState(stateActive);
s->setObjectName("example-drag");
s->assignProperty(this, "cursor", QCursor(Qt::SizeAllCursor));
QEventTransition* cl = new QEventTransition(this, QEvent::MouseButtonRelease);
cl->setTargetState(s1);
s->addTransition(cl);
s1->addTransition(new DragTransitionExampleView(this));
sm->addState(stateActive);
stateActive->setInitialState(s1);
sm->setInitialState(stateActive);
sm->start();
}
//! [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]
}
// NB: resizeEvent should just change the positions & sizes. However,
// moving the first to last state transitions every time an item is
// added is a pain. This means that setGeometry on this widget must
// only be called after all items have been added.
void CarouselGraphicsWidget::resizeEvent(QResizeEvent *event)
{
QSize size = event->size();
// TODO view changes size, should we really be changeing the scene size?
scene()->setSceneRect(0, 0, size.width(), size.height());
// Use icons with same aspect ratio as VGA.
int tw = size.width();
int th = size.height();
if (tw > th*640/480) tw = th*640/480;
if (th > tw*480/640) th = tw*480/640;
int iw = tw / 2;
int ih = th / 2;
int isw = tw * 3 / 16;
int ish = th * 3 / 16;
int w = (size.width() - iw/2 - isw/2) / 2;
int h = (size.height() - ih/2 - ish/2) / 2;
int cx = size.width()/2;
int cy = (size.height() - ish)/2;
int num_objects = icons.size();
for (int i=0; i<num_objects; ++i) {
float angle = 2.0*PI*i / num_objects;
QRect r;
// When the icon is at the bottom of the screen (i=0), make it larger.
// Though it would look nicer if the size was based on the 'depth', this
// would involve a lot of scaling and then likely hit performance.
if (i == 0)
r.setRect(-iw/2, -ih/2, iw, ih);
else
r.setRect(-isw/2, -ish/2, isw, ish);
r.translate(cx, cy);
r.translate(w*sin(angle), h*cos(angle));
for (int j=0; j<num_objects; ++j) {
QState *state = states.at((i+j) % num_objects);
QObject *o = icons.at((num_objects-j) % num_objects);
// Set the position & make only the item at the bottom
// of the widget clickable
state->assignProperty(o, "geometry", r);
state->assignProperty(o, "enabled", i==0);
state->assignProperty(o, "focus", i==0);
}
}
if (states.size() > 1) {
QSignalTransition *transition;
QState *firstState = states.at(0);
QState *lastState = states.at(states.size()-1);
// Link to the next state - special case
transition = lastState->addTransition(this, SIGNAL(m_next()), firstState);
transition->addAnimation(animationGroup);
// Link to the previous state - special case
transition = firstState->addTransition(this, SIGNAL(m_back()), lastState);
transition->addAnimation(animationGroup);
machine->start();
}
}
PadNavigator::PadNavigator( QWidget *parent)
: QGraphicsView(parent)
{
QSize size(6,2);
// Pad item
this->pad = new FlippablePad(size);
// Selection item
RoundRectItem *selectionItem = new RoundRectItem(QRectF(-110, -110, 220, 220),
Qt::gray, pad);
selectionItem->setZValue(0.5);
// Selection animation
QPropertyAnimation *smoothXSelection = new QPropertyAnimation(selectionItem, "x");
QPropertyAnimation *smoothYSelection = new QPropertyAnimation(selectionItem, "y");
smoothXSelection->setDuration(100);
smoothYSelection->setDuration(100);
smoothXSelection->setEasingCurve(QEasingCurve::InCurve);
smoothYSelection->setEasingCurve(QEasingCurve::InCurve);
// Build the state machine
QStateMachine *stateMachine = new QStateMachine(this);
QState *frontState = new QState(stateMachine);
frontState->assignProperty(pad, "fill", false);
frontState->assignProperty(selectionItem, "visible", true);
stateMachine->addDefaultAnimation(smoothXSelection);
stateMachine->addDefaultAnimation(smoothYSelection);
stateMachine->setInitialState(frontState);
// 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());
// 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]);
RoundRectItem *icon = pad->iconAt(x, y);
state->assignProperty(selectionItem, "x", icon->x());
state->assignProperty(selectionItem, "y", icon->y());
}
}
// Scene
QGraphicsScene *scene = new QGraphicsScene(this);
scene->setItemIndexMethod(QGraphicsScene::NoIndex);
scene->addItem(pad);
scene->setSceneRect(scene->itemsBoundingRect());
setScene(scene);
// View
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setMinimumSize(50, 50);
setCacheMode(CacheBackground);
setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
stateMachine->start();
}
UIGraphicsRotatorButton::UIGraphicsRotatorButton(QIGraphicsWidget *pParent,
const QString &strPropertyName,
bool fToggled,
bool fReflected /* = false */,
int iAnimationDuration /* = 300 */)
: UIGraphicsButton(pParent, UIIconPool::iconSet(":/expanding_collapsing_16px.png"))
, m_fReflected(fReflected)
, m_state(fToggled ? UIGraphicsRotatorButtonState_Rotated : UIGraphicsRotatorButtonState_Default)
, m_pAnimationMachine(0)
, m_iAnimationDuration(iAnimationDuration)
, m_pForwardButtonAnimation(0)
, m_pBackwardButtonAnimation(0)
, m_pForwardSubordinateAnimation(0)
, m_pBackwardSubordinateAnimation(0)
{
/* Configure: */
setAutoHandleButtonClick(true);
/* Create state machine: */
m_pAnimationMachine = new QStateMachine(this);
/* Create 'default' state: */
QState *pStateDefault = new QState(m_pAnimationMachine);
pStateDefault->assignProperty(this, "state", QVariant::fromValue(UIGraphicsRotatorButtonState_Default));
pStateDefault->assignProperty(this, "rotation", m_fReflected ? 180 : 0);
/* Create 'animating' state: */
QState *pStateAnimating = new QState(m_pAnimationMachine);
pStateAnimating->assignProperty(this, "state", QVariant::fromValue(UIGraphicsRotatorButtonState_Animating));
/* Create 'rotated' state: */
QState *pStateRotated = new QState(m_pAnimationMachine);
pStateRotated->assignProperty(this, "state", QVariant::fromValue(UIGraphicsRotatorButtonState_Rotated));
pStateRotated->assignProperty(this, "rotation", 90);
/* Forward button animation: */
m_pForwardButtonAnimation = new QPropertyAnimation(this, "rotation", this);
m_pForwardButtonAnimation->setDuration(m_iAnimationDuration);
m_pForwardButtonAnimation->setStartValue(m_fReflected ? 180 : 0);
m_pForwardButtonAnimation->setEndValue(90);
/* Backward button animation: */
m_pBackwardButtonAnimation = new QPropertyAnimation(this, "rotation", this);
m_pBackwardButtonAnimation->setDuration(m_iAnimationDuration);
m_pBackwardButtonAnimation->setStartValue(90);
m_pBackwardButtonAnimation->setEndValue(m_fReflected ? 180 : 0);
/* Forward subordinate animation: */
m_pForwardSubordinateAnimation = new QPropertyAnimation(pParent, strPropertyName.toLatin1(), this);
m_pForwardSubordinateAnimation->setDuration(m_iAnimationDuration);
m_pForwardSubordinateAnimation->setEasingCurve(QEasingCurve::InCubic);
/* Backward subordinate animation: */
m_pBackwardSubordinateAnimation = new QPropertyAnimation(pParent, strPropertyName.toLatin1(), this);
m_pBackwardSubordinateAnimation->setDuration(m_iAnimationDuration);
m_pBackwardSubordinateAnimation->setEasingCurve(QEasingCurve::InCubic);
/* Default => Animating: */
QSignalTransition *pDefaultToAnimating = pStateDefault->addTransition(this, SIGNAL(sigToAnimating()), pStateAnimating);
pDefaultToAnimating->addAnimation(m_pForwardButtonAnimation);
pDefaultToAnimating->addAnimation(m_pForwardSubordinateAnimation);
/* Animating => Rotated: */
connect(m_pForwardButtonAnimation, SIGNAL(finished()), this, SIGNAL(sigToRotated()), Qt::QueuedConnection);
pStateAnimating->addTransition(this, SIGNAL(sigToRotated()), pStateRotated);
/* Rotated => Animating: */
QSignalTransition *pRotatedToAnimating = pStateRotated->addTransition(this, SIGNAL(sigToAnimating()), pStateAnimating);
pRotatedToAnimating->addAnimation(m_pBackwardButtonAnimation);
pRotatedToAnimating->addAnimation(m_pBackwardSubordinateAnimation);
/* Animating => Default: */
connect(m_pBackwardButtonAnimation, SIGNAL(finished()), this, SIGNAL(sigToDefault()), Qt::QueuedConnection);
pStateAnimating->addTransition(this, SIGNAL(sigToDefault()), pStateDefault);
/* Default => Rotated: */
pStateDefault->addTransition(this, SIGNAL(sigToRotated()), pStateRotated);
/* Rotated => Default: */
pStateRotated->addTransition(this, SIGNAL(sigToDefault()), pStateDefault);
/* Initial state is 'default': */
m_pAnimationMachine->setInitialState(!fToggled ? pStateDefault : pStateRotated);
/* Start state-machine: */
m_pAnimationMachine->start();
/* Refresh: */
refresh();
}
void StateMachineMgr::buildStateMachine(QLayout* layout,bool bIsEntryLane)
{
if(bIsEntryLane)
{
buildEntryWindows(layout);
}
else
{
buildExitWindows(layout);
}
//设备查看状态
QState * devShowState = new MtcLaneState(&m_machine, m_devTable);
//初始化状态
QState * initState = new MtcLaneState(&m_machine, m_pFormLoadParam);
//参数加载成功状态
QState * loadSuccess = new MtcLaneState(&m_machine,m_pFormMsg);
//加载参数成功时页面显示设置
loadSuccess->assignProperty(m_pFormMsg, "message", tr("请放置身份卡\n按『上/下班』键登录"));
loadSuccess->assignProperty(m_pFormMsg, "title", tr(""));
//选择程序操作：退出程序、重启程序、关闭计算机、重启计算机
QState *exitState = new MtcLaneState(&m_machine,m_pTableWidget);
//工班选择状态
QState * shiftState = new MtcLaneState(&m_machine, m_pTableWidget);
//选择票号修改状态
QState *IdTKstate=new MtcLaneState(&m_machine,m_pTableWidget);
//修改票号页面状态
QState *IdInform=new MtcLaneState(&m_machine,getInformWidget());
//确认票号状态
QState *confirmInvState = new MtcLaneState(&m_machine, m_pFormMsg);
//正常上班状态
QState* ordState = new MtcLaneState(&m_machine, m_pOrdWidget);
//提示切换雨棚灯状态
QState * turnOnLightState = new MtcLaneState(&m_machine, m_pFormMsg);
turnOnLightState->assignProperty(m_pFormMsg, "message", tr("请按【雨棚开关】键\n将雨棚灯切换至绿灯"));
//设备状态确认->初始化状态
devShowState->addTransition(new TranConfirmDev(initState));
//初始化状态->参数加载成功状态
LoadParamTransition *tLoadParam = new LoadParamTransition(initState,SIGNAL(entered()));
tLoadParam->setTargetState(loadSuccess);
initState->addTransition(tLoadParam);
//加载成功状态->选择程序退出状态
TranExitApp *exitTrans = new TranExitApp(exitState);
loadSuccess->addTransition(exitTrans);
//加载成功状态->闯关tran->加载成功状态
addRushTranLogOut(loadSuccess);
//选择程序退出状态->执行退出操作
TranSelectExitApp *exitAppTrans = new TranSelectExitApp(loadSuccess);
exitState->addTransition(exitAppTrans);
//退出程序操作，返回初始化界面
TranQuitSelect *quitselTrans = new TranQuitSelect(loadSuccess);
exitState->addTransition(quitselTrans);
//选择工班时出现闯关
addRushTranLogOut(shiftState);
//上班后出现闯关
QHistoryState* rushState = new QHistoryState(ordState);
TranRushLogin* tranLogin = new TranRushLogin(getDeviceFactory()->getIOBoard(), SIGNAL(InputChanged(quint32,quint8)));
tranLogin->setTargetState(rushState);
ordState->addTransition(tranLogin);
//上班后收费员按F12键，切换菜单
QHistoryState* showLogState = new QHistoryState(ordState);
TranChangeVpr* tranVpr = new TranChangeVpr(showLogState);
ordState->addTransition(tranVpr);
//建立上班后子状态机
m_pOrdWidget->initStateMachine(ordState, loadSuccess);
//加载参数成功->用户验证身份
TranShift *tShowPassword = new TranShift(shiftState);
loadSuccess->addTransition(tShowPassword);
//打开雨棚灯状态闯关
addRushTranLogOut(turnOnLightState);
//打开雨棚灯状态->正常上班状态
TranTurnOnCanLight* tOrd = new TranTurnOnCanLight(ordState);
turnOnLightState->addTransition(tOrd);
//确认卡盒卡ID操作，模拟实现
TranCardBox *tGotoLight = new TranCardBox(turnOnLightState);
//入口没有票号处理
if(getLaneInfo()->isEntryLane())
{
shiftState->addTransition(new TranEntryConfirmShift(turnOnLightState));
}
else
{
//下班时票号操作
QState *logOutIdState=new MtcLaneState(&m_machine,m_pTableWidget);
QState *logOutInform=new MtcLaneState(&m_machine,getInformWidget());
loadSuccess->addTransition(new TranShowInvoiceMenu(logOutIdState));
logOutIdState->addTransition(new TranModifyInvoice(logOutInform));
logOutIdState->addTransition(new TranChangeUpInvoice(logOutInform));
logOutInform->addTransition(new TranFinInvoice(loadSuccess));
logOutIdState->addTransition(new TranRtInvConfirm(loadSuccess));
logOutInform->addTransition(new TranRtInvConfirm(loadSuccess));
//确认班次，用户从班次中选择一个班次上班，班次记录到LaneInfo
TranConfirmShift *tConfirm = new TranConfirmShift(confirmInvState);
shiftState->addTransition(tConfirm);
//修改票号时出现闯关
addRushTranLogOut(IdTKstate);
//修改票号时出现闯关
addRushTranLogOut(IdInform);
//确认票号状态闯关
addRushTranLogOut(confirmInvState);
//选择票号处理菜单，包括票据换上、修改票号
TranShowInvoiceMenu * tMessIDTick = new TranShowInvoiceMenu(IdTKstate);
confirmInvState->addTransition(tMessIDTick);
//显示插入票号页面
TranChangeUpInvoice *tInsertTK=new TranChangeUpInvoice(IdInform);//跳转到票号输入页面
IdTKstate->addTransition(tInsertTK);
//显示修改票号页面
TranModifyInvoice *tInformTK=new TranModifyInvoice(IdInform);
IdTKstate->addTransition(tInformTK);
//完成票号操作，跳转票号确认状态
TranFinInvoice *tShowInform=new TranFinInvoice(confirmInvState); //从页面输入和修改跳转到票号页面
IdInform->addTransition(tShowInform);
//输入修改票号跳转
TranRtInvConfirm *treturntable=new TranRtInvConfirm(confirmInvState);
IdInform->addTransition(treturntable);
IdTKstate->addTransition(new TranRtInvConfirm(confirmInvState));
//显示确认卡盒卡界面
confirmInvState->addTransition(tGotoLight);
}
//返回等待上班状态
shiftState->addTransition(new SpecialKeySignalTransition(loadSuccess, KeyEsc, KC_Func));
confirmInvState->addTransition(new SpecialKeySignalTransition(loadSuccess, KeyEsc, KC_Func));
//跳转到功能页面
m_machine.setInitialState(devShowState);
m_machine.start();
//上班前功能界面
loadSuccess->addTransition(new TranLogOutFunc(loadSuccess));
QTimer::singleShot(1000, this, SLOT(beginInitState()));
}
UIGChooserItem::UIGChooserItem(UIGChooserItem *pParent, bool fTemporary)
: m_fRoot(!pParent)
, m_fTemporary(fTemporary)
, m_pParent(pParent)
, m_iPreviousMinimumWidthHint(0)
, m_iPreviousMinimumHeightHint(0)
, m_dragTokenPlace(DragToken_Off)
, m_fHovered(false)
, m_pHighlightMachine(0)
, m_pForwardAnimation(0)
, m_pBackwardAnimation(0)
, m_iAnimationDuration(400)
, m_iDefaultDarkness(100)
, m_iHighlightDarkness(90)
, m_iAnimationDarkness(m_iDefaultDarkness)
, m_iDragTokenDarkness(110)
{
/* Install Chooser-view item accessibility interface factory: */
QAccessible::installFactory(UIAccessibilityInterfaceForUIGChooserItem::pFactory);
/* Basic item setup: */
setOwnedByLayout(false);
setAcceptDrops(true);
setFocusPolicy(Qt::NoFocus);
setFlag(QGraphicsItem::ItemIsSelectable, false);
setAcceptHoverEvents(!isRoot());
/* Non-root item? */
if (!isRoot())
{
/* Create state machine: */
m_pHighlightMachine = new QStateMachine(this);
/* Create 'default' state: */
QState *pStateDefault = new QState(m_pHighlightMachine);
pStateDefault->assignProperty(this, "animationDarkness", m_iDefaultDarkness);
/* Create 'highlighted' state: */
QState *pStateHighlighted = new QState(m_pHighlightMachine);
pStateHighlighted->assignProperty(this, "animationDarkness", m_iHighlightDarkness);
/* Forward animation: */
m_pForwardAnimation = new QPropertyAnimation(this, "animationDarkness", this);
m_pForwardAnimation->setDuration(m_iAnimationDuration);
m_pForwardAnimation->setStartValue(m_iDefaultDarkness);
m_pForwardAnimation->setEndValue(m_iHighlightDarkness);
/* Backward animation: */
m_pBackwardAnimation = new QPropertyAnimation(this, "animationDarkness", this);
m_pBackwardAnimation->setDuration(m_iAnimationDuration);
m_pBackwardAnimation->setStartValue(m_iHighlightDarkness);
m_pBackwardAnimation->setEndValue(m_iDefaultDarkness);
/* Add state transitions: */
QSignalTransition *pDefaultToHighlighted = pStateDefault->addTransition(this, SIGNAL(sigHoverEnter()), pStateHighlighted);
pDefaultToHighlighted->addAnimation(m_pForwardAnimation);
QSignalTransition *pHighlightedToDefault = pStateHighlighted->addTransition(this, SIGNAL(sigHoverLeave()), pStateDefault);
pHighlightedToDefault->addAnimation(m_pBackwardAnimation);
/* Initial state is 'default': */
m_pHighlightMachine->setInitialState(pStateDefault);
/* Start state-machine: */
m_pHighlightMachine->start();
}
}
SmoozikSimplestClientWindow::SmoozikSimplestClientWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::SmoozikSimplestClientWindow)
{
ui->setupUi(this);
// Initialize SmoozikManager
smoozikManager = new SmoozikManager(APIKEY, SECRET, SmoozikManager::XML, false, this);
smoozikPlaylist = new SmoozikPlaylist;
connect(smoozikManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(processNetworkReply(QNetworkReply*)));
// Initialize music directory
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
_dirName = QDesktopServices::storageLocation(QDesktopServices::MusicLocation);
#else
_dirName = QStandardPaths::writableLocation(QStandardPaths::MusicLocation);
#endif
// Initialize playlist filler
ui->setupUi(this);
smoozikPlaylistFillerThread = new QThread();
smoozikPlaylistFiller = new SmoozikPlaylistFiller(smoozikPlaylist);
smoozikPlaylistFiller->moveToThread(smoozikPlaylistFillerThread);
connect(smoozikPlaylistFiller, SIGNAL(trackFound(QString,QString,QString,QString,uint)), this, SLOT(addTrackToPlaylist(QString,QString,QString,QString,uint)));
connect(smoozikPlaylistFiller, SIGNAL(tracksRetrieved()), this, SIGNAL(tracksRetrieved()));
connect(smoozikPlaylistFiller, SIGNAL(noTrackRetrieved()), this, SLOT(noTrackRetrievedMessage()));
connect(smoozikPlaylistFiller, SIGNAL(maxPlaylistSizeReached()), this, SLOT(maxPlaylistSizeReachedMessage()));
connect(smoozikPlaylistFillerThread, SIGNAL(started()), smoozikPlaylistFiller, SLOT(fillPlaylist()));
connect(smoozikPlaylistFiller, SIGNAL(finished()), smoozikPlaylistFillerThread, SLOT(quit()), Qt::DirectConnection);
// Initialize player
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
player = new Phonon::MediaObject(this);
Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(player, audioOutput);
connect(player, SIGNAL(currentSourceChanged(Phonon::MediaSource)), this, SLOT(updateTrackLabels()));
connect(player, SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(playerStateChanged()));
#else
player = new QMediaPlayer(this);
player->setPlaylist(new QMediaPlaylist(player));
player->playlist()->setPlaybackMode(QMediaPlaylist::Sequential);
connect(player, SIGNAL(currentMediaChanged(QMediaContent)), this, SLOT(updateTrackLabels()));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(playerStateChanged()));
#endif
connect(ui->playButton, SIGNAL(clicked()), player, SLOT(play()));
connect(ui->pauseButton, SIGNAL(clicked()), player, SLOT(pause()));
connect(this, SIGNAL(currentTrackSet()), this, SLOT(updateTrackLabels()));
connect(this, SIGNAL(nextTrackSet()), this, SLOT(updateTrackLabels()));
// Initialize main state machine which controls what is displayed
QStateMachine *mainStateMachine = new QStateMachine(this);
QState *mainState = new QState(mainStateMachine);
QState *loginState = new QState(mainState);
QState *startPartyState = new QState(mainState);
QState *connectedState = new QState(mainState);
QState *retrieveTracksState = new QState(connectedState);
QState *sendPlaylistState = new QState(connectedState);
QState *getTopTracksState = new QState(connectedState);
QState *partyState = new QState(connectedState);
QState *waitingState = new QState(partyState);
QState *sendCurrentTrackState = new QState(partyState);
QState *sendNextTrackState = new QState(partyState);
QStateMachine *playerStateMachine = new QStateMachine(this);
QState *playerState = new QState(playerStateMachine);
QState *playingState = new QState(playerState);
QState *pausedState = new QState(playerState);
// Define state initial states and transitions
mainStateMachine->setInitialState(mainState);
mainState->setInitialState(loginState);
connectedState->setInitialState(retrieveTracksState);
partyState->setInitialState(waitingState);
playerStateMachine->setInitialState(playerState);
playerState->setInitialState(pausedState);
mainState->addTransition(this, SIGNAL(disconnected()), loginState);
loginState->addTransition(this, SIGNAL(loggedIn()), startPartyState);
startPartyState->addTransition(this, SIGNAL(partyStarted()), connectedState);
connectedState->addTransition(ui->changePlaylistButton, SIGNAL(clicked()), retrieveTracksState);
retrieveTracksState->addTransition(this, SIGNAL(tracksRetrieved()), sendPlaylistState);
sendPlaylistState->addTransition(this, SIGNAL(playlistSent()), getTopTracksState);
getTopTracksState->addTransition(this, SIGNAL(currentTrackSet()), sendCurrentTrackState);
sendCurrentTrackState->addTransition(this, SIGNAL(currentTrackSent()), getTopTracksState);
getTopTracksState->addTransition(this, SIGNAL(nextTrackSet()), sendNextTrackState);
sendNextTrackState->addTransition(this, SIGNAL(nextTrackSent()), waitingState);
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
waitingState->addTransition(player, SIGNAL(currentSourceChanged(Phonon::MediaSource)), sendCurrentTrackState);
#else
waitingState->addTransition(player, SIGNAL(currentMediaChanged(QMediaContent)), sendCurrentTrackState);
#endif
playerState->addTransition(this, SIGNAL(playing()), playingState);
playerState->addTransition(this, SIGNAL(paused()), pausedState);
// Define state properties
loginState->assignProperty(this, "state", Login);
loginState->assignProperty(ui->stackedWidget, "currentIndex", ui->stackedWidget->indexOf(ui->loginPage));
loginState->assignProperty(ui->loginButton, "enabled", true);
loginState->assignProperty(ui->disconnectButton, "visible", false);
loginState->assignProperty(ui->changePlaylistButton, "visible", false);
loginState->assignProperty(ui->usernameLineEdit, "enabled", true);
loginState->assignProperty(ui->passwordLineEdit, "enabled", true);
loginState->assignProperty(ui->loginStateLabel, "text", QString());
startPartyState->assignProperty(this, "state", StartParty);
startPartyState->assignProperty(ui->loginStateLabel, "text", tr("Starting party..."));
startPartyState->assignProperty(ui->disconnectButton, "visible", false);
startPartyState->assignProperty(ui->changePlaylistButton, "visible", false);
connectedState->assignProperty(ui->disconnectButton, "visible", true);
retrieveTracksState->assignProperty(ui->stackedWidget, "currentIndex", ui->stackedWidget->indexOf(ui->loadingPage));
retrieveTracksState->assignProperty(ui->loginStateLabel, "text", tr("Connected"));
retrieveTracksState->assignProperty(ui->loadingLabel, "text", tr("Retrieving tracks..."));
retrieveTracksState->assignProperty(ui->changePlaylistButton, "visible", false);
sendPlaylistState->assignProperty(this, "state", SendPlaylist);
sendPlaylistState->assignProperty(ui->loadingLabel, "text", tr("Sending playlist..."));
sendPlaylistState->assignProperty(ui->changePlaylistButton, "visible", true);
getTopTracksState->assignProperty(this, "state", GetTopTracks);
getTopTracksState->assignProperty(ui->loadingLabel, "text", tr("Get top tracks..."));
getTopTracksState->assignProperty(ui->nextButton, "enabled", false);
getTopTracksState->assignProperty(ui->changePlaylistButton, "visible", true);
partyState->assignProperty(ui->stackedWidget, "currentIndex", ui->stackedWidget->indexOf(ui->playerPage));
partyState->assignProperty(ui->changePlaylistButton, "visible", true);
sendCurrentTrackState->assignProperty(this, "state", SendCurrentTrack);
sendCurrentTrackState->assignProperty(ui->nextButton, "enabled", false);
sendNextTrackState->assignProperty(this, "state", SendNextTrack);
sendNextTrackState->assignProperty(ui->nextButton, "enabled", false);
waitingState->assignProperty(ui->nextButton, "enabled", true);
playingState->assignProperty(ui->playButton, "visible", false);
playingState->assignProperty(ui->pauseButton, "visible", true);
pausedState->assignProperty(ui->playButton, "visible", true);
pausedState->assignProperty(ui->pauseButton, "visible", false);
// Connect states and actions
connect(startPartyState, SIGNAL(entered()), this, SLOT(startParty()));
connect(retrieveTracksState, SIGNAL(entered()), this, SLOT(retrieveTracksDialog()));
connect(sendPlaylistState, SIGNAL(entered()), this, SLOT(sendPlaylist()));
connect(getTopTracksState, SIGNAL(entered()), this, SLOT(getTopTracks()));
connect(sendCurrentTrackState, SIGNAL(entered()), this, SLOT(sendCurrentTrack()));
connect(sendNextTrackState, SIGNAL(entered()), this, SLOT(sendNextTrack()));
// Connect gui and actions
connect(ui->usernameLineEdit, SIGNAL(returnPressed()), this, SLOT(submitLogin()));
connect(ui->passwordLineEdit, SIGNAL(returnPressed()), this, SLOT(submitLogin()));
connect(ui->loginButton, SIGNAL(clicked()), this, SLOT(submitLogin()));
connect(ui->nextButton, SIGNAL(clicked()), this, SLOT(nextTrack()));
connect(ui->disconnectButton, SIGNAL(clicked()), this, SLOT(disconnect()));
// Start state machine
mainStateMachine->start();
playerStateMachine->start();
}