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50
51#ifndef STATES_H
52#define STATES_H
53
54//Qt
55#include <QKeyEventTransition>
56#include <QSignalTransition>
57#include <QState>
58
59class GraphicsScene;
60QT_BEGIN_NAMESPACE
61class QStateMachine;
62QT_END_NAMESPACE
63
64class PlayState : public QState
65{
66public:
67 explicit PlayState(GraphicsScene *scene, QState *parent = nullptr);
68 ~PlayState();
69
70 protected:
71 void onEntry(QEvent *) override;
72
73private :
74 GraphicsScene *scene;
75 QStateMachine *machine;
76 int currentLevel;
77 int score;
78
79 friend class UpdateScoreState;
80 friend class UpdateScoreTransition;
81 friend class WinTransition;
82 friend class CustomSpaceTransition;
83 friend class WinState;
84 friend class LostState;
85 friend class LevelState;
86};
87
88class LevelState : public QState
89{
90public:
91 LevelState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);
92protected:
93 void onEntry(QEvent *) override;
94private :
95 void initializeLevel();
96 GraphicsScene *scene;
97 PlayState *game;
98};
99
100class PauseState : public QState
101{
102public:
103 explicit PauseState(GraphicsScene *scene, QState *parent = nullptr);
104
105protected:
106 void onEntry(QEvent *) override;
107 void onExit(QEvent *) override;
108private :
109 GraphicsScene *scene;
110};
111
112class LostState : public QState
113{
114public:
115 LostState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);
116
117protected:
118 void onEntry(QEvent *) override;
119 void onExit(QEvent *) override;
120private :
121 GraphicsScene *scene;
122 PlayState *game;
123};
124
125class WinState : public QState
126{
127public:
128 WinState(GraphicsScene *scene, PlayState *game, QState *parent = nullptr);
129
130protected:
131 void onEntry(QEvent *) override;
132 void onExit(QEvent *) override;
133private :
134 GraphicsScene *scene;
135 PlayState *game;
136};
137
138class UpdateScoreState : public QState
139{
140public:
141 UpdateScoreState(QState *parent);
142private:
143};
144
145//These transtion is used to update the score
146class UpdateScoreTransition : public QSignalTransition
147{
148public:
149 UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
150protected:
151 bool eventTest(QEvent *event) override;
152private:
153 PlayState *game;
154 GraphicsScene *scene;
155};
156
157//These transtion test if we have won the game
158class WinTransition : public QSignalTransition
159{
160public:
161 WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
162protected:
163 bool eventTest(QEvent *event) override;
164private:
165 PlayState *game;
166 GraphicsScene *scene;
167};
168
169//These transtion is true if one level has been completed and the player want to continue
170 class CustomSpaceTransition : public QKeyEventTransition
171{
172public:
173 CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key);
174protected:
175 bool eventTest(QEvent *event) override;
176private:
177 PlayState *game;
178};
179
180#endif // STATES_H
181

source code of qtbase/examples/widgets/animation/sub-attaq/states.h