//**********************************
//**********************************
//********mainwindow.h**************
//**********************************
//**********************************


#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QFile>
#include <QFileDialog>
#include <QString>
#include <iostream>
#include <stdio.h>
#include <cstdlib>
#include <QMessageBox>
#include <fstream>
/**
* @author Victor Mello Floriano
*/

//Download 4 windows :
//Download 4 Linux 32 bits :
//Donwload 4 Linux 64 bits :
namespace Ui {
    class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

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

private slots:
    void on_actionOpen_triggered();
    void on_actionSave_triggered();
    void on_actionQUIT_triggered();
    void on_actionFULLSCREEN_triggered();

private:
    Ui::MainWindow *ui;
};

#endif // MAINWINDOW_H

//**********************************
//**********************************
//********mainwindow.cpp************
//**********************************
//**********************************


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

using namespace std;
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

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

void MainWindow::on_actionOpen_triggered()
{
    QString fileName = QFileDialog::getOpenFileName(this,tr("Abrir arquivo"),"","*.txt");
    ifstream f (fileName.toStdString().c_str());

    if(!f.is_open())
    {
        QMessageBox msgBox;
                 msgBox.setText("Error n 666 you are not doomed \n especifique um caminho ");
                 msgBox.exec();
                 return;
    }
    string l;
    QString s;
    QString aux;
    s.clear();
    aux.clear();
    while(f.good())
    {
        getline(f,l);
        //cout<<l<<"\n";
        aux=aux.fromStdString(l);
        //cout<<aux.toStdString()<<"\n";
        s=s+aux+"\n";
       // cout<<s.toStdString()<<"\n";

    }

    ui->plainTextEdit->setPlainText(s);
}

void MainWindow::on_actionSave_triggered()
{
    QString fileName = QFileDialog::getSaveFileName(this,tr("Salvar arquivo"),"","*.txt");
    QString texto = ui->plainTextEdit->toPlainText();
    //cout<<texto.toStdString(); //Apenas para teste
    FILE * f;
    f = fopen(fileName.toStdString().c_str(),"w+");
    if(f==NULL)
    {
        QMessageBox msgBox;
                 msgBox.setText("Error n 666 you are not doomed \n especifique um caminho ");
                 msgBox.exec();
                 return;
    }

    fputs(texto.toStdString().c_str(),f);
    fclose(f);


}

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



void MainWindow::on_actionFULLSCREEN_triggered()
{
    if(!this->isFullScreen())
    {
        this->showFullScreen();
        return;
    }
    this->showMaximized();
}


//**********************************
//**********************************
//********mainwindow.ui************
//**********************************
//**********************************




<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>1008</width>
    <height>798</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>notepad</string>
  </property>
  <widget class="QWidget" name="centralWidget">
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
     <widget class="QPlainTextEdit" name="plainTextEdit"/>
    </item>
   </layout>
  </widget>
  <widget class="QMenuBar" name="menuBar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>1008</width>
     <height>21</height>
    </rect>
   </property>
   <widget class="QMenu" name="menuFILE">
    <property name="title">
     <string>FILE</string>
    </property>
    <addaction name="separator"/>
    <addaction name="actionOpen"/>
    <addaction name="separator"/>
    <addaction name="actionSave"/>
    <addaction name="separator"/>
    <addaction name="actionQUIT"/>
    <addaction name="separator"/>
    <addaction name="actionFULLSCREEN"/>
   </widget>
   <addaction name="menuFILE"/>
  </widget>
  <widget class="QToolBar" name="mainToolBar">
   <attribute name="toolBarArea">
    <enum>TopToolBarArea</enum>
   </attribute>
   <attribute name="toolBarBreak">
    <bool>false</bool>
   </attribute>
  </widget>
  <widget class="QStatusBar" name="statusBar"/>
  <action name="actionOpen">
   <property name="text">
    <string>Open</string>
   </property>
   <property name="shortcut">
    <string>Ctrl+O</string>
   </property>
  </action>
  <action name="actionSave">
   <property name="text">
    <string>Save</string>
   </property>
   <property name="shortcut">
    <string>Ctrl+S</string>
   </property>
  </action>
  <action name="actionQUIT">
   <property name="text">
    <string>QUIT</string>
   </property>
   <property name="shortcut">
    <string>Ctrl+Q</string>
   </property>
  </action>
  <action name="actionFULLSCREEN">
   <property name="text">
    <string>FULLSCREEN</string>
   </property>
   <property name="shortcut">
    <string>Ctrl+F</string>
   </property>
  </action>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>