X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsession.cpp;h=fcd0e135b5a190972613e85ac79ada3f067b7023;hp=773cf8047956d9cd062d5e3d65b3c2e11ecd0c7e;hb=5ccfc97e20bbea19b9bc37905dd4cf63ee1f6303;hpb=fd22c71c1a9cc470b53c71c0ee131a4b2d645f80

diff --git a/pv/session.cpp b/pv/session.cpp
index 773cf804..fcd0e135 100644
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -14,8 +14,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifdef _WIN32
@@ -106,7 +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)
 {
 }
 
@@ -173,6 +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;
@@ -852,6 +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."));
 }
@@ -1065,4 +1077,9 @@ void Session::data_feed_in(shared_ptr<sigrok::Device> device,
 	}
 }
 
+void Session::on_data_saved()
+{
+	data_saved_ = true;
+}
+
 } // namespace pv