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Qt가 새로워졌습니다. QPushButton 함께 QList 저장하는 클래스 TicTacToeWidget 있어요.QPushButton 번호 변경
int m_size는 3으로 초기화되고 잘 동작하며 3x3 보드를 볼 수 있지만 main.cpp에서 m_size를 다른 값으로 변경하려고해도 아무런 문제가 없습니다. 왜 작동하지 않는지 알 수 없습니다.
#ifndef TICTACTOEWIDGET_H
#define TICTACTOEWIDGET_H
#include <QWidget>
class QPushButton;
class TicTacToeWidget : public QWidget
{
Q_OBJECT
public:
TicTacToeWidget(QWidget *parent = 0);
~TicTacToeWidget();
int size()const;
void resizeBoard(int m);
private:
QList<QPushButton *> m_board;
int m_size;
void setupBoard(int m);
void clearBoard();
};
#endif // TICTACTOEWIDGET_H
및 구현
#include "tictactoewidget.h"
#include <QMessageBox>
#include <QGridLayout>
#include <QPushButton>
#include <QDebug>
TicTacToeWidget::TicTacToeWidget(QWidget *parent)
: QWidget(parent),m_size(3)
{
setupBoard(3);
}
TicTacToeWidget::~TicTacToeWidget()
{
}
int TicTacToeWidget::size() const
{
return m_size;
}
void TicTacToeWidget::resizeBoard(int m)
{
setupBoard(m);
}
void TicTacToeWidget::setupBoard(int m)
{
QGridLayout *gridLayout= new QGridLayout;
m_size=m;
m_board.clear();
for(int i=0;i<m_size;i++)
{
for(int j=0;j<m_size;j++)
{
QPushButton *button= new QPushButton;
button->setSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum);
button->setText(" ");
gridLayout->addWidget(button,i,j);
}
}
setLayout(gridLayout);
}
void TicTacToeWidget::clearBoard()
{
for(auto &it:m_board)
{
this->layout()->removeWidget(it);
}
m_board.clear();
}
그리고 주요
#include "tictactoewidget.h"
#include <QApplication>
using namespace std;
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
TicTacToeWidget w;
w.resizeBoard(5);
w.show();
return a.exec();
}