Disable show audio button when there is no audio (#73).

4 files changed, 32 insertions, 1 deletions

diff --git a/src/lib/film.cc b/src/lib/film.cc
index 8f545952b..20e08c037 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -1434,3 +1434,21 @@ Film::have_dcp () const
 
 	return true;
 }
+
+bool
+Film::has_audio () const
+{
+	if (use_content_audio()) {
+		return audio_stream();
+	}
+
+	vector<string> const e = external_audio ();
+	for (vector<string>::const_iterator i = e.begin(); i != e.end(); ++i) {
+		if (!i->empty ()) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
diff --git a/src/lib/film.h b/src/lib/film.h
index 9921acbb4..88f6fbcd7 100644
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -327,7 +327,7 @@ public:
 	}
 
 	boost::shared_ptr<AudioStream> audio_stream () const;
-
+	bool has_audio () const;
 	
 	/* SET */
 
diff --git a/src/wx/film_editor.cc b/src/wx/film_editor.cc
index b9a4012e3..dcd18c97f 100644
--- a/src/wx/film_editor.cc
+++ b/src/wx/film_editor.cc
@@ -617,6 +617,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_formats ();
 		setup_subtitle_control_sensitivity ();
 		setup_streams ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::TRUST_CONTENT_HEADER:
 		checked_set (_trust_content_header, _film->trust_content_header ());
@@ -627,6 +628,7 @@ FilmEditor::film_changed (Film::Property p)
 		break;
 	case Film::CONTENT_AUDIO_STREAMS:
 		setup_streams ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::FORMAT:
 	{
@@ -754,6 +756,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_dcp_name ();
 		setup_audio_details ();
 		setup_audio_control_sensitivity ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::USE_CONTENT_AUDIO:
 		checked_set (_use_content_audio, _film->use_content_audio());
@@ -761,6 +764,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_dcp_name ();
 		setup_audio_details ();
 		setup_audio_control_sensitivity ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::SUBTITLE_STREAM:
 		if (_film->subtitle_stream()) {
@@ -774,6 +778,7 @@ FilmEditor::film_changed (Film::Property p)
 			checked_set (_external_audio[i], a[i]);
 		}
 		setup_audio_details ();
+		setup_show_audio_sensitivity ();
 		break;
 	}
 	case Film::DCP_FRAME_RATE:
@@ -915,6 +920,7 @@ FilmEditor::set_things_sensitive (bool s)
 
 	setup_subtitle_control_sensitivity ();
 	setup_audio_control_sensitivity ();
+	setup_show_audio_sensitivity ();
 }
 
 /** Called when the `Edit filters' button has been clicked */
@@ -1289,3 +1295,9 @@ FilmEditor::best_dcp_frame_rate_clicked (wxCommandEvent &)
 	
 	_film->set_dcp_frame_rate (best_dcp_frame_rate (_film->source_frame_rate ()));
 }
+
+void
+FilmEditor::setup_show_audio_sensitivity ()
+{
+	_show_audio->Enable (_film && _film->has_audio ());
+}
diff --git a/src/wx/film_editor.h b/src/wx/film_editor.h
index 29b453b8b..e5b619886 100644
--- a/src/wx/film_editor.h
+++ b/src/wx/film_editor.h
@@ -98,6 +98,7 @@ private:
 	void setup_streams ();
 	void setup_audio_details ();
 	void setup_dcp_name ();
+	void setup_show_audio_sensitivity ();
 	
 	wxControl* video_control (wxControl *);
 	wxControl* still_control (wxControl *);