本文整理汇总了C++中QSignalTransition::setTargetState方法的典型用法代码示例。如果您正苦于以下问题:C++ QSignalTransition::setTargetState方法的具体用法?C++ QSignalTransition::setTargetState怎么用?C++ QSignalTransition::setTargetState使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QSignalTransition
的用法示例。
在下文中一共展示了QSignalTransition::setTargetState方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: qWarning
/*!
Adds a transition associated with the given \a signal of the given \a sender
object, and returns the new QSignalTransition object. The transition has
this state as the source, and the given \a target as the target state.
*/
QSignalTransition *QState::addTransition(QObject *sender, const char *signal,
QAbstractState *target)
{
if (!sender) {
qWarning("QState::addTransition: sender cannot be null");
return 0;
}
if (!signal) {
qWarning("QState::addTransition: signal cannot be null");
return 0;
}
if (!target) {
qWarning("QState::addTransition: cannot add transition to null state");
return 0;
}
int offset = (*signal == '0'+QSIGNAL_CODE) ? 1 : 0;
const QMetaObject *meta = sender->metaObject();
if (meta->indexOfSignal(signal+offset) == -1) {
if (meta->indexOfSignal(QMetaObject::normalizedSignature(signal+offset)) == -1) {
qWarning("QState::addTransition: no such signal %s::%s",
meta->className(), signal+offset);
return 0;
}
}
QSignalTransition *trans = new QSignalTransition(sender, signal);
trans->setTargetState(target);
addTransition(trans);
return trans;
}
示例2: QMainWindow
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();
}