基于Qt的五子棋_qt五子棋_QT；C++_qt五子棋_nan_threwimk_

#include "mainwindow.h" #include "ui_mainwindow.h" #include "qpainter.h" #include "qevent.h" #include "qpoint.h" #include "qmessagebox.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); ui->mainToolBar->hide(); ui->menuBar->hide(); resize((CHESS_COLUMES + 1)*RECT_WIDTH ,(CHESS_ROWS + 1)*RECT_HEIGHT); m_bIsBlackTurn = true; } MainWindow::~MainWindow() { delete ui; } void MainWindow::paintEvent(QPaintEvent *e) { DrawChessboard(); //画棋盘 DrawItems(); //画棋子 DrawItemWithMouse(); //画鼠标（当前方的棋子形状） update(); } void MainWindow::DrawChessboard() { QPainter painter(this); painter.setRenderHint(QPainter::HighQualityAntialiasing, true); painter.setBrush(Qt::darkYellow); painter.setPen(QPen(QColor(Qt::black),2)); for(int i = 0;i<CHESS_COLUMES; i++) { for (int j = 0; j<CHESS_ROWS; j++) { painter.drawRect( (i+0.5)*RECT_WIDTH,(j+0.5)*RECT_HEIGHT,RECT_WIDTH,RECT_HEIGHT); } } } void MainWindow::DrawItems() { QPainter painter(this); painter.setPen(QPen(QColor(Qt::transparent))); for (int i = 0; i<m_items.size(); i++) { Item item = m_items[i]; if (item.m_bBlack) { painter.setBrush(Qt::black); } else { painter.setBrush(Qt::white); } DrawChessAtPoint(painter,item.m_pt); } } void MainWindow::DrawChessAtPoint(QPainter& painter,QPoint& pt) { //painter.drawRect( (pt.x()+0.5)*RECT_WIDTH,(pt.y()+0.5)*RECT_HEIGHT,RECT_WIDTH,RECT_HEIGHT); QPoint ptCenter((pt.x()+0.5)*RECT_WIDTH,(pt.y()+0.5)*RECT_HEIGHT); painter.drawEllipse(ptCenter,RECT_WIDTH / 2,RECT_HEIGHT / 2); } void MainWindow::DrawItemWithMouse() { QPainter painter(this); painter.setPen(QPen(QColor(Qt::transparent))); if (m_bIsBlackTurn) { painter.setBrush(Qt::black); } else { painter.setBrush(Qt::white); } //QPoint pt; //pt.setX( (QCursor::pos().x() ) / RECT_WIDTH); //pt.setY( (QCursor::pos().y() ) / RECT_HEIGHT); //DrawChessAtPoint(painter,pt); painter.drawEllipse(mapFromGlobal(QCursor::pos()),RECT_WIDTH / 2,RECT_HEIGHT / 2); } void MainWindow::mousePressEvent(QMouseEvent * e) { //求鼠标点击处的棋子点pt QPoint pt; pt.setX( (e->pos().x() ) / RECT_WIDTH); pt.setY( (e->pos().y() ) / RECT_HEIGHT); //如果已存在棋子，就什么也不做 for (int i = 0; i<m_items.size(); i++) { Item item = m_items[i]; if (item.m_pt == pt) { //已有棋子 return; } } //不存在棋子，就下一个 Item item(pt,m_bIsBlackTurn); m_items.append(item); //统计4个方向是否五子连 int nLeft = CountNearItem(item,QPoint(-1,0)); int nLeftUp = CountNearItem(item,QPoint(-1,-1)); int nUp = CountNearItem(item,QPoint(0,-1)); int nRightUp = CountNearItem(item,QPoint(1,-1)); int nRight = CountNearItem(item,QPoint(1,0)); int nRightDown = CountNearItem(item,QPoint(1,1)); int nDown = CountNearItem(item,QPoint(0,1)); int nLeftDown = CountNearItem(item,QPoint(-1,1)); if ( (nLeft + nRight) >= 4 || (nLeftUp + nRightDown) >= 4 || (nUp + nDown) >= 4 || (nRightUp + nLeftDown) >= 4 ) { QString str = m_bIsBlackTurn?"Black":"White"; QMessageBox::information(NULL, "GAME OVER",str, QMessageBox::Yes , QMessageBox::Yes); m_items.clear(); //NewGame(); return; } //该另一方下棋了 m_bIsBlackTurn = !m_bIsBlackTurn; } int MainWindow::CountNearItem(Item item,QPoint ptDirection) { int nCount = 0; item.m_pt += ptDirection; while (m_items.contains(item)) { nCount++; item.m_pt += ptDirection; } return nCount; } //bool MainWindow::FindItem(Item item) //{ // bool bFind = false; // for (int i = 0; i<m_items.size(); i++) // { // Item item = m_items[i]; // if (item.m_pt == pt) // { // bFind = true; // break; // } // } // return bFind; //}