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50 | |
51 | #ifndef MOVEMENTTRANSITION_H |
52 | #define MOVEMENTTRANSITION_H |
53 | |
54 | #include <QtWidgets> |
55 | |
56 | #include "window.h" |
57 | |
58 | //![0] |
59 | class MovementTransition : public QEventTransition |
60 | { |
61 | Q_OBJECT |
62 | |
63 | public: |
64 | MovementTransition(Window *window) : |
65 | QEventTransition(window, QEvent::KeyPress) { |
66 | this->window = window; |
67 | } |
68 | //![0] |
69 | |
70 | //![1] |
71 | protected: |
72 | bool eventTest(QEvent *event) override { |
73 | if (event->type() == QEvent::StateMachineWrapped && |
74 | static_cast<QStateMachine::WrappedEvent *>(event)->event()->type() == QEvent::KeyPress) { |
75 | QEvent *wrappedEvent = static_cast<QStateMachine::WrappedEvent *>(event)->event(); |
76 | |
77 | QKeyEvent *keyEvent = static_cast<QKeyEvent *>(wrappedEvent); |
78 | int key = keyEvent->key(); |
79 | |
80 | return key == Qt::Key_2 || key == Qt::Key_8 || key == Qt::Key_6 || |
81 | key == Qt::Key_4 || key == Qt::Key_Down || key == Qt::Key_Up || |
82 | key == Qt::Key_Right || key == Qt::Key_Left; |
83 | } |
84 | return false; |
85 | } |
86 | //![1] |
87 | |
88 | //![2] |
89 | void onTransition(QEvent *event) override { |
90 | QKeyEvent *keyEvent = static_cast<QKeyEvent *>( |
91 | static_cast<QStateMachine::WrappedEvent *>(event)->event()); |
92 | |
93 | int key = keyEvent->key(); |
94 | switch (key) { |
95 | case Qt::Key_Left: |
96 | case Qt::Key_4: |
97 | window->movePlayer(direction: Window::Left); |
98 | break; |
99 | case Qt::Key_Up: |
100 | case Qt::Key_8: |
101 | window->movePlayer(direction: Window::Up); |
102 | break; |
103 | case Qt::Key_Right: |
104 | case Qt::Key_6: |
105 | window->movePlayer(direction: Window::Right); |
106 | break; |
107 | case Qt::Key_Down: |
108 | case Qt::Key_2: |
109 | window->movePlayer(direction: Window::Down); |
110 | break; |
111 | default: |
112 | ; |
113 | } |
114 | } |
115 | //![2] |
116 | |
117 | private: |
118 | Window *window; |
119 | }; |
120 | |
121 | #endif |
122 | |
123 | |