逛奔的蝸牛

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QWidget>

class QPushButton;

class MainWindow : public QWidget {
Q_OBJECT // 只要定義有信號(hào)和槽的類,都得先引用這個(gè)宏.

public :
        MainWindow();
        ~MainWindow();
        
public slots : // 槽的定義
        void myExit();
signal : // 信號(hào)的定義
private :
        QPushButton* button;
};

#endif

 

#include <QPushButton>
#include "MainWindow.h"

MainWindow::MainWindow() {
        this->setMinimumSize(400, 600);

        // button
        button = new QPushButton("Das Button", this);
        button->resize(200, 50);
        QObject::connect(button, SIGNAL(clicked()), this, SLOT(myExit()));
}

MainWindow::~MainWindow() {
        delete button;
}

void MainWindow::myExit() {
        emit exit(0);
}

 

#include <QApplication>
#include <QWidget>
#include "MainWindow.h"

int main(int argc, char** argv) {
        QApplication app(argc, argv);
        
        MainWindow window;
        window.show();
        
        return app.exec();
}

 

TEMPLATE = app
CONFIG  += qt warn_on
HEADERS  = MainWindow.h
SOURCES  = main.cpp
TARGET  = test
QTDIR_build:REQUIRES="contains(QT_CONFIG, small-config)"

因?yàn)橛行盘?hào)和槽,所以對(duì)MOC文件的產(chǎn)生有些特殊,因?yàn)榇蠖鄶?shù)時(shí)候都得自定義槽,所以可以作為標(biāo)準(zhǔn)的形式來(lái)操作:

搞定. 差點(diǎn)搞得吐血