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50
51#include <QtWidgets>
52
53//! [0]
54int main(int argc, char **argv)
55{
56 QApplication app(argc, argv);
57 QPushButton button;
58 QStateMachine machine;
59//! [0]
60
61//! [1]
62 QState *off = new QState();
63 off->assignProperty(object: &button, name: "text", value: "Off");
64 off->setObjectName("off");
65
66 QState *on = new QState();
67 on->setObjectName("on");
68 on->assignProperty(object: &button, name: "text", value: "On");
69//! [1]
70
71//! [2]
72 off->addTransition(obj: &button, signal: &QAbstractButton::clicked, target: on);
73 on->addTransition(obj: &button, signal: &QAbstractButton::clicked, target: off);
74//! [2]
75
76//! [3]
77 machine.addState(state: off);
78 machine.addState(state: on);
79//! [3]
80
81//! [4]
82 machine.setInitialState(off);
83 machine.start();
84//! [4]
85
86//! [5]
87 button.resize(w: 100, h: 50);
88 button.show();
89 return app.exec();
90}
91//! [5]
92

source code of qtbase/examples/widgets/statemachine/twowaybutton/main.cpp