Add save feature to DecoderOutputView

[pulseview.git] / pv / views / decoder_output / view.cpp

diff --git a/pv/views/decoder_output/view.cpp b/pv/views/decoder_output/view.cpp
index 218c5c9a6e84fbf07e09c043915c8ad6130dff4f..951bc06ef296712c65c467548736a1eb62e421eb 100644 (file)
--- a/pv/views/decoder_output/view.cpp
+++ b/pv/views/decoder_output/view.cpp
@@ -21,8 +21,10 @@
 
 #include <QByteArray>
 #include <QDebug>
+#include <QFileDialog>
 #include <QLabel>
 #include <QMenu>
+#include <QMessageBox>
 #include <QToolBar>
 #include <QVBoxLayout>
 
@@ -31,6 +33,7 @@
 #include "view.hpp"
 #include "QHexView.hpp"
 
+#include "pv/globalsettings.hpp"
 #include "pv/session.hpp"
 #include "pv/util.hpp"
 #include "pv/data/decode/decoder.hpp"
@@ -240,6 +243,52 @@ void View::update_data()
                signal_->get_binary_data_class(current_segment_, decoder_, bin_class_id_);
 
        hex_view_->setData(bin_class);
+
+       if (!save_button_->isEnabled())
+               save_button_->setEnabled(true);
+}
+
+void View::save_data() const
+{
+       assert(decoder_);
+       assert(signal_);
+
+       if (!signal_)
+               return;
+
+       GlobalSettings settings;
+       const QString dir = settings.value("MainWindow/SaveDirectory").toString();
+
+       const QString file_name = QFileDialog::getSaveFileName(
+               parent_, tr("Save Binary Data"), dir, tr("Binary Data Files (*.bin);;All Files (*)"));
+
+       if (file_name.isEmpty())
+               return;
+
+       QFile file(file_name);
+       if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
+               pair<size_t, size_t> selection = hex_view_->get_selection();
+
+               vector<uint8_t> data;
+               signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_,
+                       bin_class_id_, selection.first, selection.second, &data);
+
+               int64_t bytes_written = file.write((const char*)data.data(), data.size());
+
+               if ((bytes_written == -1) || ((uint64_t)bytes_written != data.size())) {
+                       QMessageBox msg(parent_);
+                       msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
+                       msg.setStandardButtons(QMessageBox::Ok);
+                       msg.setIcon(QMessageBox::Warning);
+                       msg.exec();
+                       return;
+               }
+       }
+}
+
+void View::save_data_as_hex_dump() const
+{
+
 }
 
 void View::on_selected_decoder_changed(int index)
@@ -359,18 +408,22 @@ void View::on_decoder_removed(void* decoder)
 
 void View::on_actionSave_triggered(QAction* action)
 {
-       (void)action;
+       int save_type = SaveTypeBinary;
+       if (action)
+               save_type = action->data().toInt();
+
+       if (save_type == SaveTypeBinary)
+               save_data();
+       if (save_type == SaveTypeHexDump)
+               save_data_as_hex_dump();
 }
 
 void View::perform_delayed_view_update()
 {
        if (!binary_data_exists_)
-               if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_)) {
+               if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_))
                        binary_data_exists_ = true;
 
-                       save_button_->setEnabled(true);
-               }
-
        update_data();
 }