Implemented file->save operation

Author: bbogush

qt/buffer_table_model.cpp

@@ -93,3 +93,9 @@ void BufferTableModel::setBuffer(uint8_t *buffer, uint32_t size)
     bufSize = size;
     endResetModel();
 }
+
+void BufferTableModel::getBuffer(uint8_t *&buffer, uint32_t &size)
+{
+    buffer = buf;
+    size = bufSize;
+}

qt/buffer_table_model.h

@@ -31,6 +31,7 @@ class BufferTableModel: public QAbstractTableModel
     QVariant headerData(int section, Qt::Orientation orientation, int role)
         const override;
     void setBuffer(uint8_t *buffer, uint32_t size);
+    void getBuffer(uint8_t *&buffer, uint32_t &size);
 };
 
 #endif // BUFFER_TABLE_MODEL_H

qt/main_window.cpp

@@ -12,6 +12,7 @@
 #include <QFileDialog>
 #include <QFile>
 #include <QStringList>
+#include <QMessageBox>
 #include <memory>
 
 #define HEADER_ADDRESS_WIDTH 80
@@ -69,6 +70,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent),
 
     connect(ui->actionOpen, SIGNAL(triggered()), this,
         SLOT(slotFileOpen()));
+    connect(ui->actionSave, SIGNAL(triggered()), this,
+        SLOT(slotFileSave()));
     connect(ui->actionConnect, SIGNAL(triggered()), this,
         SLOT(slotProgConnect()));
     connect(ui->actionReadId, SIGNAL(triggered()), this,
@@ -139,6 +142,51 @@ void MainWindow::slotFileOpen()
     file.close();
 }
 
+void MainWindow::slotFileSave()
+{
+    qint64 ret;
+    uint8_t *buffer;
+    uint32_t size;
+    QString fileName;
+
+    bufferTableModel.getBuffer(buffer, size);
+
+    if (!size)
+    {
+        QMessageBox::information(this, tr("Information"),
+            tr("The buffer is empty"));
+        return;
+    }
+
+    fileName = QFileDialog::getSaveFileName(this, tr("Save buffer to file"),
+        ".", tr("Binary Files (*)"));
+
+    if (fileName.isNull())
+        return;
+
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly))
+    {
+        qCritical() << "Failed to open file:" << fileName << ", error:" <<
+            file.errorString();
+        return;
+    }
+
+    ret = file.write(reinterpret_cast<char *>(buffer), size);
+    if (ret < 0)
+    {
+        qCritical() << "Failed to write file:" << fileName << ", error:" <<
+            file.errorString();
+    }
+    else if (ret != size)
+    {
+        qCritical() << "Failed to write file: written " << ret << " bytes of "
+            << size;
+    }
+
+    file.close();
+}
+
 void MainWindow::setUiStateConnected(bool isConnected)
 {
     ui->chipSelectComboBox->setEnabled(isConnected);

qt/main_window.h

@@ -46,6 +46,7 @@ private slots:
 
 public slots:
     void slotFileOpen();
+    void slotFileSave();
     void slotProgConnect();
     void slotProgReadDeviceId();
     void slotProgErase();