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50 | |
51 | #include <QtWidgets> |
52 | |
53 | //! [0] |
54 | int 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 | |