Allow creation of more than one window

debug-viewer/GstDebugViewer/GUI.py

@@ -1828,7 +1828,7 @@ class Window (object):
 
     def handle_new_window_action_activate (self, action):
 
-        pass
+        self.app.open_window ()
 
     def handle_open_file_action_activate (self, action):
 
@@ -2190,7 +2190,9 @@ class App (object):
 
         self.load_plugins ()
 
-        self.windows = [Window (self)]
+        self.windows = []
+
+        self.open_window ()
 
     def detach (self):
 
@@ -2207,8 +2209,14 @@ class App (object):
         else:
             self.detach ()
 
+    def open_window (self):
+
+        self.windows.append (Window (self))
+
     def close_window (self, window):
 
+        self.windows.remove (window)
+        if not self.windows:
             # GtkTreeView takes some time to go down for large files.  Let's block
             # until the window is hidden:
             gobject.idle_add (gtk.main_quit)

debug-viewer/data/gst-debug-viewer.ui

@@ -2,7 +2,7 @@
 <ui>
   <menubar>
     <menu name="FileMenu" action="FileMenuAction">
-      <!--<menuitem name="FileNewWindow" action="new-window"/>-->
+      <menuitem name="FileNewWindow" action="new-window"/>
       <menuitem name="FileOpen" action="open-file"/>
       <menuitem name="FileReload" action="reload-file"/>
       <separator/>