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50
51#ifndef TETRIXBOARD_H
52#define TETRIXBOARD_H
53
54#include <QBasicTimer>
55#include <QFrame>
56#include <QPointer>
57
58#include "tetrixpiece.h"
59
60QT_BEGIN_NAMESPACE
61class QLabel;
62QT_END_NAMESPACE
63
64//! [0]
65class TetrixBoard : public QFrame
66{
67 Q_OBJECT
68
69public:
70 TetrixBoard(QWidget *parent = nullptr);
71
72 void setNextPieceLabel(QLabel *label);
73 QSize sizeHint() const override;
74 QSize minimumSizeHint() const override;
75
76public slots:
77 void start();
78 void pause();
79
80signals:
81 void scoreChanged(int score);
82 void levelChanged(int level);
83 void linesRemovedChanged(int numLines);
84
85protected:
86 void paintEvent(QPaintEvent *event) override;
87 void keyPressEvent(QKeyEvent *event) override;
88 void timerEvent(QTimerEvent *event) override;
89//! [0]
90
91//! [1]
92private:
93 enum { BoardWidth = 10, BoardHeight = 22 };
94
95 TetrixShape &shapeAt(int x, int y) { return board[(y * BoardWidth) + x]; }
96 int timeoutTime() { return 1000 / (1 + level); }
97 int squareWidth() { return contentsRect().width() / BoardWidth; }
98 int squareHeight() { return contentsRect().height() / BoardHeight; }
99 void clearBoard();
100 void dropDown();
101 void oneLineDown();
102 void pieceDropped(int dropHeight);
103 void removeFullLines();
104 void newPiece();
105 void showNextPiece();
106 bool tryMove(const TetrixPiece &newPiece, int newX, int newY);
107 void drawSquare(QPainter &painter, int x, int y, TetrixShape shape);
108
109 QBasicTimer timer;
110 QPointer<QLabel> nextPieceLabel;
111 bool isStarted;
112 bool isPaused;
113 bool isWaitingAfterLine;
114 TetrixPiece curPiece;
115 TetrixPiece nextPiece;
116 int curX;
117 int curY;
118 int numLinesRemoved;
119 int numPiecesDropped;
120 int score;
121 int level;
122 TetrixShape board[BoardWidth * BoardHeight];
123};
124//! [1]
125
126#endif
127

source code of qtbase/examples/widgets/widgets/tetrix/tetrixboard.h