//mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QtCore>
#include <QtGui>


namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

private slots:
    void on_actionNuevo_triggered();

    void on_actionAbrir_triggered();

    void on_actionGuardar_triggered();

    void on_actionGuardar_Como_triggered();

    void on_actionCopiar_triggered();

    void on_actionCortar_triggered();

    void on_actionDeshacer_triggered();

    void on_actionRehacer_triggered();

    void on_actionAyuda_triggered();

    void on_actionAcerca_De_triggered();

    void on_actionPegar_triggered();

private:
    Ui::MainWindow *ui;

    QString bn;
};

#endif // MAINWINDOW_H



//mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    this->setCentralWidget(ui->textEdit);

}

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

void MainWindow::on_actionNuevo_triggered()
{
    bn = "";
    ui->textEdit->setPlainText("");

}

void MainWindow::on_actionAbrir_triggered()
{
    QString pbloc = QFileDialog::getOpenFileName(this, "Abrir un Archivo");

    if(!pbloc.isEmpty())
    {
        QFile archT(pbloc);
        if(archT.open(QFile::ReadOnly | QFile::Text))
        {
            bn = pbloc;
            QTextStream n(&archT);
            QString tex = n.readAll();
            archT.close();

            ui->textEdit->setPlainText(tex);
        }
    }
}

void MainWindow::on_actionGuardar_triggered()
{
    QFile archJ(bn);
    if(archJ.open(QFile::ReadOnly | QFile::Text))
    {
        QTextStream stream(&archJ);

        stream << ui->textEdit->toPlainText();

        archJ.flush();
        archJ.close();
    }
}

void MainWindow::on_actionGuardar_Como_triggered()
{
    QString pbloc = QFileDialog::getSaveFileName(this,"Guardar como");

    if(!pbloc.isEmpty())
    {
        bn = pbloc;
        on_actionGuardar_triggered();
    }
}

void MainWindow::on_actionCopiar_triggered()
{
    ui->textEdit->copy();
}

void MainWindow::on_actionCortar_triggered()
{
    ui->textEdit->cut();
}

void MainWindow::on_actionPegar_triggered()
{
    ui->textEdit->paste();
}

void MainWindow::on_actionDeshacer_triggered()
{
    ui->textEdit->undo();
}

void MainWindow::on_actionRehacer_triggered()
{
    ui->textEdit->redo();
}

void MainWindow::on_actionAyuda_triggered()
{
    QMessageBox::information(this,"Ayuda", "<h1>Aqui pondras toda tu ayuda</h1");
}

void MainWindow::on_actionAcerca_De_triggered()
{
    QMessageBox::information(this,"Acerca De",
                             "<b>Este es un ejemplo de un bloc de notas para la familia de cyberlocos <font color=blue>by cp-pUm4</font></b>");

}


//main.cpp


#include <QtGui/QApplication>
#include "mainwindow.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec();
}