QT QTextBrowser

1.0

MainWindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include<QMainWindow>
#include<QAction>
#include<QMenu>
#include<QTextBrowser>

class MainWindow : public QMainWindow{
    Q_OBJECT
public:
    MainWindow();

private slots:
    void fNew();
    void fClose();

private:
    void SetupMenus();
    void SetupEditor();

    QTextBrowser *edit;

    QAction *newAction;
    QAction *closeAction;
    QMenu *file;
};

#endif // MAINWINDOW_H

MainWindow.CPP

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

MainWindow::MainWindow(){
    QWidget *widget=new QWidget;
    setCentralWidget(widget);

    /*QWidget *topfiller=new QWidget;
    topfiller->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);

    QWidget *bottomFiller=new QWidget;
    bottomFiller->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);*/

    SetupEditor();

    QVBoxLayout *layout=new QVBoxLayout;
    /*layout->addWidget(topFiller);
    layout->addWidget(bottomFiller);*/
    layout->addWidget(edit);
    widget->setLayout(layout);

    widget->setLayout(layout);

    SetupMenus();

    setWindowTitle(tr("Main Window"));
    setMinimumSize(256,256);
    resize(512,480);

}

void MainWindow::SetupMenus(){
    newAction=new QAction(tr("&New"),this);
    newAction->setShortcut(QKeySequence::New);
    connect(newAction,SIGNAL(triggered()),this,SLOT(fNew()));

    closeAction=new QAction(tr("E&xit"),this);
    closeAction->setShortcut(QKeySequence::Close);
    connect(closeAction,SIGNAL(triggered()),this,SLOT(fClose()));

    file=menuBar()->addMenu(tr("&File"));
    file->addAction(newAction);
    file->addAction(closeAction);
}

void MainWindow::fNew(){
    edit->clear();
}

void MainWindow::fClose(){
    this->close();
}

void MainWindow::SetupEditor(){
    edit=new QTextBrowser;
    edit->setAcceptRichText(true);
    edit->setAutoFormatting(QTextBrowser::AutoNone);
    edit->setCursorWidth(1);
    edit->setDocumentTitle(tr("new Document"));
    edit->setCursorWidth(16);
    edit->setReadOnly(false);
    edit->setEnabled(true);
}

Main.CPP

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

int main(int argc,char* argv[]){
    QApplication app(argc,argv);
    MainWindow wnd;
    wnd.show();
    app.exec();

}

2.0

MainWindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include<QMainWindow>
#include<QAction>
#include<QMenu>
#include<QTextBrowser>
#include<QPushButton>

class QHBoxLayout;
class MainWindow : public QMainWindow{
    Q_OBJECT
public:
    MainWindow();

private slots:
    void fNew();
    void fClose();

private:
    void SetupMenus();
    void SetupEditor();

    QTextBrowser *edit;
    QPushButton *newBtn;
    QPushButton *exit;

    QAction *newAction;
    QAction *closeAction;
    QMenu *file;
    QHBoxLayout *btnBox;
};

#endif // MAINWINDOW_H

MainWindow.CPP

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

MainWindow::MainWindow(){
    QWidget *widget=new QWidget;
    setCentralWidget(widget);

    SetupEditor();

    QVBoxLayout *layout=new QVBoxLayout;
    layout->addLayout(btnBox);
    layout->addWidget(edit);
    widget->setLayout(layout);

    widget->setLayout(layout);

    SetupMenus();

    setWindowTitle(tr("Main Window"));
    setMinimumSize(256,256);
    resize(512,480);

}

void MainWindow::SetupMenus(){
    newAction=new QAction(tr("&New"),this);
    newAction->setShortcut(QKeySequence::New);
    connect(newAction,SIGNAL(triggered()),this,SLOT(fNew()));

    closeAction=new QAction(tr("E&xit"),this);
    closeAction->setShortcut(QKeySequence::Close);
    connect(closeAction,SIGNAL(triggered()),this,SLOT(fClose()));

    file=menuBar()->addMenu(tr("&File"));
    file->addAction(newAction);
    file->addAction(closeAction);
}

void MainWindow::fNew(){
    edit->clear();
}

void MainWindow::fClose(){
    this->close();
}

void MainWindow::SetupEditor(){

    newBtn=new QPushButton(tr("new"),this);
    newBtn->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
    connect(newBtn,SIGNAL(clicked()),this,SLOT(fNew()));

    exit=new QPushButton(tr("exit"),this);
    exit->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed);
    connect(exit,SIGNAL(clicked()),this,SLOT(fClose()));

    edit=new QTextBrowser;
    edit->setAcceptRichText(true);
    edit->setAutoFormatting(QTextBrowser::AutoNone);
    edit->setCursorWidth(1);
    edit->setDocumentTitle(tr("new Document"));
    edit->setCursorWidth(16);
    edit->setReadOnly(false);
    edit->setEnabled(true);

    btnBox=new QHBoxLayout;
    btnBox->addWidget(newBtn);
    btnBox->addWidget(exit);
}

Main.cpp

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

int main(int argc,char* argv[]){
    QApplication app(argc,argv);
    MainWindow wnd;
    wnd.show();
    app.exec();

}