Confirm with user when trying to close sessions with unsaved data

[pulseview.git] / pv / session.cpp

diff --git a/pv/session.cpp b/pv/session.cpp
index 2e98c8f73f40c08a70f451c60716824a1b348bbb..fcd0e135b5a190972613e85ac79ada3f067b7023 100644 (file)
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -105,7 +105,8 @@ Session::Session(DeviceManager &device_manager, QString name) :
        default_name_(name),
        name_(name),
        capture_state_(Stopped),
-       cur_samplerate_(0)
+       cur_samplerate_(0),
+       data_saved_(true)
 {
 }
 
@@ -172,6 +173,11 @@ shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
        return main_bar_;
 }
 
+bool Session::data_saved() const
+{
+       return data_saved_;
+}
+
 void Session::save_settings(QSettings &settings) const
 {
        map<string, string> dev_info;
@@ -851,6 +857,13 @@ void Session::sample_thread_proc(function<void (const QString)> error_handler)
                assert(0);
        }
 
+       // We now have unsaved data unless we just "captured" from a file
+       shared_ptr<devices::File> file_device =
+               dynamic_pointer_cast<devices::File>(device_);
+
+       if (!file_device)
+               data_saved_ = false;
+
        if (out_of_memory_)
                error_handler(tr("Out of memory, acquisition stopped."));
 }
@@ -1064,4 +1077,9 @@ void Session::data_feed_in(shared_ptr<sigrok::Device> device,
        }
 }
 
+void Session::on_data_saved()
+{
+       data_saved_ = true;
+}
+
 } // namespace pv