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-rw-r--r--examples/statemachine/clockticking/main.cpp24
-rw-r--r--examples/statemachine/pingpong/main.cpp31
-rw-r--r--src/corelib/statemachine/qabstractstate.cpp13
-rw-r--r--src/corelib/statemachine/qabstractstate.h2
-rw-r--r--src/corelib/statemachine/qabstracttransition.cpp13
-rw-r--r--src/corelib/statemachine/qabstracttransition.h3
6 files changed, 47 insertions, 39 deletions
diff --git a/examples/statemachine/clockticking/main.cpp b/examples/statemachine/clockticking/main.cpp
index 5501e2c..301060b 100644
--- a/examples/statemachine/clockticking/main.cpp
+++ b/examples/statemachine/clockticking/main.cpp
@@ -57,25 +57,21 @@ public:
class ClockState : public QState
{
public:
- ClockState(QStateMachine *machine, QState *parent)
- : QState(parent), m_machine(machine) {}
+ ClockState(QState *parent)
+ : QState(parent) {}
protected:
virtual void onEntry()
{
fprintf(stdout, "ClockState entered; posting the initial tick\n");
- m_machine->postEvent(new ClockEvent());
+ machine()->postEvent(new ClockEvent());
}
-
-private:
- QStateMachine *m_machine;
};
class ClockTransition : public QAbstractTransition
{
public:
- ClockTransition(QStateMachine *machine)
- : QAbstractTransition(), m_machine(machine) { }
+ ClockTransition() {}
protected:
virtual bool eventTest(QEvent *e) const {
@@ -84,18 +80,14 @@ protected:
virtual void onTransition()
{
fprintf(stdout, "ClockTransition triggered; posting another tick with a delay of 1 second\n");
- m_machine->postEvent(new ClockEvent(), 1000);
+ machine()->postEvent(new ClockEvent(), 1000);
}
-
-private:
- QStateMachine *m_machine;
};
class ClockListener : public QAbstractTransition
{
public:
- ClockListener()
- : QAbstractTransition() {}
+ ClockListener() {}
protected:
virtual bool eventTest(QEvent *e) const {
@@ -115,9 +107,9 @@ int main(int argc, char **argv)
QState *group = new QState(QState::ParallelGroup);
group->setObjectName("group");
- ClockState *clock = new ClockState(&machine, group);
+ ClockState *clock = new ClockState(group);
clock->setObjectName("clock");
- clock->addTransition(new ClockTransition(&machine));
+ clock->addTransition(new ClockTransition());
QState *listener = new QState(group);
listener->setObjectName("listener");
diff --git a/examples/statemachine/pingpong/main.cpp b/examples/statemachine/pingpong/main.cpp
index 00ff643..ec1ebf2 100644
--- a/examples/statemachine/pingpong/main.cpp
+++ b/examples/statemachine/pingpong/main.cpp
@@ -64,25 +64,21 @@ public:
class Pinger : public QState
{
public:
- Pinger(QStateMachine *machine, QState *parent)
- : QState(parent), m_machine(machine) {}
+ Pinger(QState *parent)
+ : QState(parent) {}
protected:
virtual void onEntry()
{
- m_machine->postEvent(new PingEvent());
+ machine()->postEvent(new PingEvent());
fprintf(stdout, "ping?\n");
}
-
-private:
- QStateMachine *m_machine;
};
class PongTransition : public QAbstractTransition
{
public:
- PongTransition(QStateMachine *machine)
- : QAbstractTransition(), m_machine(machine) {}
+ PongTransition() {}
protected:
virtual bool eventTest(QEvent *e) const {
@@ -90,19 +86,15 @@ protected:
}
virtual void onTransition()
{
- m_machine->postEvent(new PingEvent(), 500);
+ machine()->postEvent(new PingEvent(), 500);
fprintf(stdout, "ping?\n");
}
-
-private:
- QStateMachine *m_machine;
};
class PingTransition : public QAbstractTransition
{
public:
- PingTransition(QStateMachine *machine)
- : QAbstractTransition(), m_machine(machine) {}
+ PingTransition() {}
protected:
virtual bool eventTest(QEvent *e) const {
@@ -110,12 +102,9 @@ protected:
}
virtual void onTransition()
{
- m_machine->postEvent(new PongEvent(), 500);
+ machine()->postEvent(new PongEvent(), 500);
fprintf(stdout, "pong!\n");
}
-
-private:
- QStateMachine *m_machine;
};
int main(int argc, char **argv)
@@ -126,13 +115,13 @@ int main(int argc, char **argv)
QState *group = new QState(QState::ParallelGroup);
group->setObjectName("group");
- Pinger *pinger = new Pinger(&machine, group);
+ Pinger *pinger = new Pinger(group);
pinger->setObjectName("pinger");
- pinger->addTransition(new PongTransition(&machine));
+ pinger->addTransition(new PongTransition());
QState *ponger = new QState(group);
ponger->setObjectName("ponger");
- ponger->addTransition(new PingTransition(&machine));
+ ponger->addTransition(new PingTransition());
machine.addState(group);
machine.setInitialState(group);
diff --git a/src/corelib/statemachine/qabstractstate.cpp b/src/corelib/statemachine/qabstractstate.cpp
index 12f14d7..cc6f0f9 100644
--- a/src/corelib/statemachine/qabstractstate.cpp
+++ b/src/corelib/statemachine/qabstractstate.cpp
@@ -63,7 +63,8 @@ QT_BEGIN_NAMESPACE
The entered() signal is emitted when the state has been entered. The
exited() signal is emitted when the state has been exited.
- The parentState() function returns the state's parent state.
+ The parentState() function returns the state's parent state. The machine()
+ function returns the state machine that the state is part of.
\section1 Subclassing
@@ -179,6 +180,16 @@ QState *QAbstractState::parentState() const
}
/*!
+ Returns the state machine that this state is part of, or 0 if the state is
+ not part of a state machine.
+*/
+QStateMachine *QAbstractState::machine() const
+{
+ Q_D(const QAbstractState);
+ return d->machine();
+}
+
+/*!
\fn QAbstractState::onExit()
This function is called when the state is exited. Reimplement this function
diff --git a/src/corelib/statemachine/qabstractstate.h b/src/corelib/statemachine/qabstractstate.h
index a5f1440..30a68ff 100644
--- a/src/corelib/statemachine/qabstractstate.h
+++ b/src/corelib/statemachine/qabstractstate.h
@@ -51,6 +51,7 @@ QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class QState;
+class QStateMachine;
class QAbstractStatePrivate;
class Q_CORE_EXPORT QAbstractState : public QObject
@@ -60,6 +61,7 @@ public:
~QAbstractState();
QState *parentState() const;
+ QStateMachine *machine() const;
Q_SIGNALS:
void entered();
diff --git a/src/corelib/statemachine/qabstracttransition.cpp b/src/corelib/statemachine/qabstracttransition.cpp
index dfce310..731871c 100644
--- a/src/corelib/statemachine/qabstracttransition.cpp
+++ b/src/corelib/statemachine/qabstracttransition.cpp
@@ -61,7 +61,8 @@ QT_BEGIN_NAMESPACE
Framework}.
The sourceState() function returns the source of the transition. The
- targetStates() function returns the targets of the transition.
+ targetStates() function returns the targets of the transition. The machine()
+ function returns the state machine that the transition is part of.
Transitions can cause animations to be played. Use the addAnimation()
function to add an animation to the transition.
@@ -286,6 +287,16 @@ void QAbstractTransition::setTargetStates(const QList<QAbstractState*> &targets)
d->targetStates = targets;
}
+/*!
+ Returns the state machine that this transition is part of, or 0 if the
+ transition is not part of a state machine.
+*/
+QStateMachine *QAbstractTransition::machine() const
+{
+ Q_D(const QAbstractTransition);
+ return d->machine();
+}
+
#ifndef QT_NO_ANIMATION
/*!
diff --git a/src/corelib/statemachine/qabstracttransition.h b/src/corelib/statemachine/qabstracttransition.h
index c49731f..37365c5 100644
--- a/src/corelib/statemachine/qabstracttransition.h
+++ b/src/corelib/statemachine/qabstracttransition.h
@@ -55,6 +55,7 @@ QT_MODULE(Core)
class QEvent;
class QAbstractState;
class QState;
+class QStateMachine;
#ifndef QT_NO_ANIMATION
class QAbstractAnimation;
@@ -78,6 +79,8 @@ public:
QList<QAbstractState*> targetStates() const;
void setTargetStates(const QList<QAbstractState*> &targets);
+ QStateMachine *machine() const;
+
#ifndef QT_NO_ANIMATION
void addAnimation(QAbstractAnimation *animation);
void removeAnimation(QAbstractAnimation *animation);
generated by cgit v0.12 at 2024-09-04 19:41:36 (GMT)