123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 |
- #include "mainwindow.h"
- #include "ui_mainwindow.h"
- MainWindow::MainWindow(QWidget *parent) :
- QMainWindow(parent),
- ui(new Ui::MainWindow)
- {
- ui->setupUi(this);
- iconInit();
- }
- MainWindow::~MainWindow()
- {
- delete ui;
- }
- void MainWindow::on_pushButton_choose_clicked()
- {
- char * strhome = getenv("HOME");
- QString strsavepath;
- strsavepath = strhome;
- strsavepath = strsavepath + "/log";
- QDir dir(strsavepath);
- if(!dir.exists())
- strsavepath = getenv("HOME");
- mfile_path = QFileDialog::getOpenFileName(this, tr("Selecte file to uncompress"),strsavepath);
- ui->lineEdit->setText(mfile_path);
- }
- void MainWindow::on_pushButton_start_clicked()
- {
- fileUncompress(mfile_path);
- }
- void MainWindow::fileUncompress(QString _filename)
- {
- QString filename_uncomp = _filename + ".log";//compressed file name
- QFile file(_filename);
- if(file.exists()){
- qDebug() << "brefore compressed file size:" << file.size();
- bool ok = file.open(QIODevice::ReadOnly);
- if(ok){
- QByteArray buffer = file.readAll();
- QFile writeFile(filename_uncomp);
- ok = writeFile.open(QIODevice::WriteOnly);
- if(ok){
- //uncompress
- ui->progressBar->setValue(10);
- qDebug() <<QTime::currentTime();
- buffer = qUncompress(buffer);
- ui->progressBar->setValue(50);
- qDebug() <<QTime::currentTime() << "after uncompressed buffer size:" << buffer.size();
- writeFile.write(buffer);
- ui->progressBar->setValue(100);
- qDebug() << QTime::currentTime()<< "after compressed file size:" << writeFile.size();
- }
- writeFile.close();
- }
- }
- }
- void MainWindow::iconInit()
- {
- //添加提示信息
- ui->pushButton_choose->setToolTip(tr("Choose file to uncompress"));
- //设置icon图片
- QIcon icon;
- icon.addFile(":icon/compress.svg",QSize(),QIcon::Normal, QIcon::On);
- setWindowIcon(icon);
- }
|