Add copy marked file to directory

mainwindow.cpp

@@ -7,6 +7,10 @@
 #include <QFileDialog>
 #include <QStandardPaths>
 #include <QMessageBox>
+#include <QProgressDialog>
+#include <QDebug>
+#include <sys/ioctl.h>
+#include <linux/btrfs.h>
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
   loading(false),
@@ -24,6 +28,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
 
     QMenu *fileMenu = new QMenu(tr("File"), this);
     fileMenu->addAction(tr("Open"), this, SLOT(openFile()), QKeySequence("Ctrl+O"));
+    fileMenu->addAction(tr("Copy marked files"), this, SLOT(copyMarked()));
     fileMenu->addAction(tr("Exit"), this, SLOT(close()));
     menuBar()->addMenu(fileMenu);
 
@@ -141,6 +146,43 @@ void MainWindow::unmarkAndNext()
     m_ringList->increment();
 }
 
+void MainWindow::copyMarked()
+{
+    QString dest = QFileDialog::getExistingDirectory(this, tr("Select destination"));
+    QDir dir(dest);
+    if(!dest.isEmpty() && dir.exists())
+    {
+        int i = 0;
+        QStringList files = m_database->getMarkedFiles();
+        QProgressDialog progress(tr("Copying"), tr("Cancel"), 0, files.size(), this);
+        progress.setWindowModality(Qt::WindowModal);
+        progress.show();
+        foreach(const QString &file, files)
+        {
+            QFileInfo info(file);
+            QFile srcFile(file);
+            QFile dstFile(dir.absoluteFilePath(info.fileName()));
+
+            if(dstFile.exists())
+                continue;
+
+            if(progress.wasCanceled())
+                break;
+
+            srcFile.open(QIODevice::ReadOnly);
+            dstFile.open(QIODevice::WriteOnly);
+            if(ioctl(dstFile.handle(), BTRFS_IOC_CLONE, srcFile.handle()) < 0)
+            {
+                dstFile.remove();
+                dstFile.close();
+                qDebug() << dstFile.fileName();
+                srcFile.copy(dstFile.fileName());
+            }
+            progress.setValue(i++);
+        }
+    }
+}
+
 void MainWindow::updateWindowTitle()
 {
     ImagePtr ptr = m_ringList->currentImage();