added close media for #304

panels/viewer.cpp

@@ -90,6 +90,10 @@ bool Viewer::is_focused() {
 			|| btnSkipToEnd->hasFocus();
 }
 
+bool Viewer::is_main_sequence() {
+	return main_sequence;
+}
+
 void Viewer::set_main_sequence() {
 	clean_created_seq();
 	set_sequence(true, sequence);
@@ -260,6 +264,10 @@ void Viewer::go_to_end() {
 	if (seq != NULL) seek(seq->getEndFrame());
 }
 
+void Viewer::close_media() {
+	set_media(NULL);
+}
+
 void Viewer::go_to_in() {
 	if (seq != NULL) {
 		if (seq->using_workarea && seq->enable_workarea) {

panels/viewer.h

@@ -29,6 +29,7 @@ public:
 	~Viewer();
 
 	bool is_focused();
+	bool is_main_sequence();
 	void set_main_sequence();
 	void set_media(Media *m);
 	void compose();
@@ -81,6 +82,7 @@ public slots:
 	void next_frame();
 	void go_to_out();
 	void go_to_end();
+	void close_media();
 
 private slots:
 	void update_playhead();

ui/viewerwidget.cpp

@@ -109,6 +109,10 @@ void ViewerWidget::show_context_menu() {
 	connect(&zoom_menu, SIGNAL(triggered(QAction*)), this, SLOT(set_menu_zoom(QAction*)));
 	menu.addMenu(&zoom_menu);
 
+	if (!viewer->is_main_sequence()) {
+		menu.addAction("Close Media", viewer, SLOT(close_media()));
+	}
+
 	menu.exec(QCursor::pos());
 }